42results about How to "Broad market prospect" patented technology

The invention discloses an apparatus system for real-time monitoring and auxiliary diagnosis and treatment of skin rot diseases. The apparatus system comprises a detection drum, a detection head, a medicine applying roller, a medicine storage groove and a hardware system, wherein the detection drum is connected to the detection head; the hardware system is arranged in the detection drum; a camerais arranged on the detection head; the medicine storage groove is connected to the medicine applying roller, and the medicine storage groove and the medicine applying roller are fixed to the detectiondrum; the interior of the medicine storage groove is divided into a plurality of independent medicine storage compartments; control valves are arranged on the medicine storage compartments; the hardware system comprises a central processing unit, a picture database unit and a picture comparison unit; and the picture database unit, the comparison unit and the control valves are connected to the central processing unit. The apparatus system provided by the invention, through overall design, can be used for detecting and treating the skin rot diseases; through an intelligent comparison link, some laypersons, who know less about the treatment of the skin diseases, can also treat the skin diseases; and the apparatus system is simple in overall design and operation, concise and practical and isrelatively broad in market prospect.

The invention provides a preparation method of albendazole, which solves the technical problems that albendazole prepared by the prior art is high in production cost, production raw materials are unstable, preparation processes cause more three wastes and are unsafe, prepared albendazole is low in purity and is not suitable for industrial production. The method comprises the following steps: (1) adding 4-thiocyano-o-phenylenediamine into a reaction vessel, adding a solvent C, stirring until the 4-thiocyano-o-phenylenediamine is fully dissolved, blowing nitrogen into the reaction vessel, firstly adding sodium amide, stirring, then adding chloropropane, heating, carrying out heat preservation reaction, cooling to room temperature after the reaction is finished, and filtering to obtain an intermediate product that is 5-propylthio-1H-benzimidazole-2-amine; (2) adding an acid-binding agent into 5-propylthio-1H-benzimidazole-2-amine, adding methyl chloroformate, carrying out a stirring reaction under a heat preservation condition, and carrying out distillation to remove the solvent C so as to obtain an albendazole crude product; and (3) pulping and rinsing the albendazole crude product, filtering and drying to obtain the final product albendazole. The method is used for preparing albendazole.

The invention discloses a cordierite-based glass ceramic combined silicon carbide ceramic material, which comprises a base material and a binding agent, wherein the base material comprises 10-30 wt% of cordierite-based glass ceramic powder and 70-90 wt% of oxidation pretreatment silicon carbide aggregate, the cordierite-based glass ceramicpowder is prepared from the following components in percentage by weight: 15-22 wt% of MgO, 20-25 wt%of Al2O3, 56-60 wt%of SiO2 and 1-3 wt% of Li2O, the oxidation pretreatment silicon carbide aggregate is prepared by performing oxidation treatment on silicon carbide aggregate at a temperature of 1000-1100 DEG C for 1-2 hours, and the use amount of the binding agent is 8-12wt% of the base material. The invention also discloses a preparation method of the cordierite-based glass ceramic combined silicon carbide ceramic material. According to the invention, cordierite-based glass ceramicis taken as a sintering aid, and cordierite crystals are added in a matrix in an in-situ synthesis manner, so that not only is a low-temperature sintering aid provided, but also the silicon carbide ceramic material with high density and low sintering temperature is obtained; and the method has important significance in improving the quality of the silicon carbide ceramic material and saving the product cost, and is beneficial to popularization and application progress and development of the industry technology.

The invention discloses a silver point automatic assembling riveting machine. The silver point automatic assembling riveting machine comprises a rack main body 1, a workbench and a vibration feeding disc 1, wherein the rack main body 1 is arranged above the workbench, and the vibration feeding disc 1 is arranged at the left side of the rack main body 1. The silver point automatic assembling riveting machine is characterized in that the right side of the vibration feeding disc 1 is provided with a supporting box body 2; a track 1 is arranged on the rack main body 1; two sliders 1 are arranged on the track 1; a fixed plate 2 is arranged on the sliders 1; tracks 2 are arranged on the fixed plate 2; sliders 2 are arranged on the tracks 2; a fixed plate 1 is arranged on the sliders 2; and a clamping groove is arranged on the fixed plate 1. With the silver point automatic assembling riveting machine adopted, problems of low working efficiency, unstable processing quality and high labor cost of manual or mechanical semi-automated operation can be solved. The silver point automatic assembling riveting machine of the invention has the advantages of saving-labor property, high production quality, high production efficiency and broad market prospect.

The invention discloses a high-strength concrete accelerator and relates to the technical field of concrete additives. The invention aims at solving the problem that strength of existing concrete is reduced by an alkali-containing accelerator of the concrete. The high-strength concrete accelerator comprises the following raw materials: aluminum sulfate, a mineral composition, modified kaolin, a naphthalene sulfonate-formaldehyde condensation compound, calcium formate, hydroxyethyl carboxymethyl cellulose, nano active zinc oxide, chitin, an inorganic stabilizer, a reinforcing agent, a defoamingagent and water. The invention further discloses a preparation method of the high-strength concrete accelerator. The accelerator prepared by the method is high in adaptability to concrete, alkalinityis weak, adhesion force is strong, the rebound rate of sprayed concrete is small, the initial and final setting time of the concrete can be effectively improved, later strength of the concrete is enhanced, 28d compressive strength of the concrete is remarkably improved, and therefore the high-strength concrete accelerator has a wide market prospect.

The invention relates to a plastic optical fiber for weaving, which comprises a core layer and a cladding wrapping the periphery of the core layer. The core layer is made of A1 type polymethyl methacrylate or A2 type polymethyl methacrylate, and the cladding is made of at least one of B1 type fluororesin and B2 type fluororesin. According to the plastic optical fiber for weaving, the end light performance and the photometric performance are ensured, and meanwhile, the overall tensile strength of the optical fiber is ensured, so that the optical fiber has good flexibility, is not easy to break,prolongs the service life, can be widely applied to the fields of interior decoration, stage decoration, safety warning, flexible display, optical medical treatment, portable electronic devices and the like, and has a wide market prospect.

The invention discloses a coal-fired boiler pneumatic soot blowing system with a circular lower spray pipe type nozzle and a soot blowing method. The coal-fired boiler pneumatic soot blowing system comprises a cylindrical air chamber, an air chamber seal head and a lower spray pipe, one end of the cylindrical air chamber is provided with a sunken interface for connecting a compressed air or steammedium pipeline, the air chamber seal head is welded to the other end of the cylindrical air chamber, a plurality of air ports are formed in the upper portion of the cylindrical air chamber, and the lower spray pipe is welded to the positions of the air ports in the outer wall of the cylindrical air chamber. The nozzle is arranged in an area where ash is easy to accumulate in horizontal and tail flues of a coal-fired boiler, compressed air or steam is used as a medium for blowing ash, enters from the cylindrical air chamber, flows into the lower spray pipe from an air hole in the upper portionof the air chamber, and is sprayed out from a nozzle of the lower spray pipe; and the medium is directionally sprayed towards the wall surface or the heat exchange surface of the flue through the nozzle of the lower spray pipe, accumulated ash in the flue is blown and fluidized, all-directional blowing around the nozzle is guaranteed, disturbance to the accumulated ash is enhanced through directional jet flow of the lower spray pipe, and the problem of accumulation of the accumulated ash in the flue is effectively solved.

The invention discloses an eyeglass frame clamping force detection device. The eyeglass frame clamping force detection device comprises a base (1), a longitudinal sliding groove (2), a transverse sliding groove (3), a first threaded rod (21), a first adjusting knob (22), a sliding block (23), a weighing device (24), a nose bridge support (25), a second threaded rod (31), a second adjusting knob (32), sliding blocks (33), dynamometer (34), force measuring needle (341), and eyeglass arm adjusting frame (35). The eyeglass frame clamping force detection device is simple in structure and low in manufacturing cost; the problem that marks of wearing the eyeglass frame are left is solved, and the comfort of wearing eyeglasses is improved; the problem of refractive errors is solved, and eyesight iseffectively prevented from further declining; and a novel idea and direction of customization of the private customization in the eyeglass industry is provided, the problems that exist universally inthe eyeglass industry but nobody cares about are solved; and the eyeglass frame clamping force detection device is conducive to the development of the whole industry, and the market prospect is broad.

The invention relates to a method for producing a cylinder cover by means of an iron mold coated sand technology. A complete cylinder cover cavity is obtained by adopting the iron mold coated sand technology, a sand core is subjected to blanking simultaneously, and then the cylinder cover part can be directly cast. According to the method for producing the cylinder cover by means of the iron mold coated sand technology, the cylinder cover is greatly improved in appearance, the dimensional accuracy is improved, machining allowance is reduced, and the production efficiency of products is improved; iron mold stiffness of the produced cylinder cover is high, automatic feeding performance is improved, the casting head is reduced, and the technological yield is increased; the cooling speed of an iron mold is high, the crystal structure is refined, fineness of the crystal structure is improved, and the defect of leakage of the cylinder cover is overcome; the production technology is stable, production is simple, and the labor intensity of workers is effectively reduced.

The invention discloses an ocean acidification research experiment device. The experiment device is characterized by consisting of a mixed gas preparation device and a tide simulator, wherein the mixed gas preparation device can quantitatively control the content of CO2 in air and inputting the air into the tide simulator, and the tide simulator can simulate the environments of ebb and flow of natural oceans to the limit and can restore natural environments as far as possible. The ocean acidification research experiment device has a simple structure, a smart design and reasonable layout, can simulate the tidal movement of oceans and can accurately control the content of CO2 dissolved in seawater.

The invention discloses an individuation ink-jet printing reflective film which is advanced in formula, reasonable and unique in technology and high-quality and high-efficient in production and a manufacturing technology of the individuation ink-jet printing reflective film. The technical scheme includes that paint ingredients of a coating of the reflective film comprise, by percentage, 45%-55% of micro glass beads, 3%-10% of pigment, 1%-10% of dye-fixing agents, 1%-8% of polyvinyl alcohol, 0.01%-0.2% of coupling agent, 0.01%-0.2% of flatting agent, and the balance water. According to the individuation ink-jet printing reflective film and the manufacturing technology of the individuation ink-jet printing reflective film, on the basis that an original light-reflecting character of the reflective film is maintained, a product is enabled to have ink-jet and printed properties, and the individuation ink-jet printing reflective film is used for outdoor advertisements to enable the product to present an image which is high in brightness and magnificent in color.

The invention discloses a steel plate with a Zn-Mn-Mg-Si alloy hot-dip coating, and a production method thereof. The steel plate with the Zn-Mn-Mg-Si alloy hot-dip coating comprises a steel plate bodyand the Zn-Mn-Mg-Si alloy hot-dip coating; the surface of the steel plate body is covered with the Zn-Mn-Mg-Si alloy hot-dip coating; and the Zn-Mn-Mg-Si alloy hot-dip coating comprises 90-96 parts of Zn, 1.0-5.0 parts of Mn, 0.5-1.2 parts of Mg, 0.1-0.6 part of Si, 0.025-0.145 part of V, 0.008-0.105 part of Ru and the balance inevitable impurities based on 100 parts by weight. According to the steel plate with the Zn-Mn-Mg-Si alloy hot-dip coating, the corrosion resistance of the coating is improved greatly compared with the corrosion resistance of a traditional pure zinc coating under the condition of the same coating thickness; the corrosion resistance is improved by multiple times, and the heavy-duty requirements, such as the requirement for bridge steel wires in marine corrosive atmosphere environment, can be met; and the steel plate has broad market prospects. In addition, the surface of the formed coating is flat and smooth.

The invention discloses sandwiched vegetable paper for soothing nerves and aiding sleeping, and a preparation method of the sandwiched vegetable paper. The sandwiched vegetable paper is prepared from the raw materials of cucumber, yogurt, cherry, sea buckthorn, hemerocallis citrina, sweet almond, purple potato powder, lilium brownii and panax quinquefolium. The sandwiched vegetable paper has the benefits that cucumber is prepared into crisp vegetable paper, food materials of yogurt, cherry, sea buckthorn and the like are processed and prepared into a puffing and crisp sandwich, and the vegetable paper and the sandwich are combined into the sandwiched vegetable paper. The sandwiched vegetable paper is delicious, crisp and tasty, is added with the food materials of sweet almond, lilium brownii, panax quinquefolium and the like, and has the health functions of calming heart, soothing nerves, relieving restlessness and aiding sleeping.

The invention belongs to the field of sanitary wares, and in particular relates to a multifunctional mop cleaning barrel. In the multifunctional mop cleaning barrel, a big barrel is connected with a small barrel and a sliding cover through a connecting device so as to form a folding structure; when the multifunctional mop cleaning barrel is folded up, the small barrel is placed in the big barrel, and the sliding cover covers the big barrel; and when the multifunctional mop cleaning barrel is unfolded, the small barrel is placed on the big barrel or on the left side or the right side of the big barrel. The multifunctional mop cleaning barrel has the advantages that the cleaning barrel, the drying barrel and the sliding cover are connected through a folding mechanism; and after use of the multifunctional mop cleaning barrel, the sliding cover is upturned, the drying barrel and the folding mechanism are placed in the cleaning barrel, and then the sliding cover covers the big barrel, thus being clean and tidy and convenient to carry and reducing occupied space in storage and transportation. The multifunctional mop cleaning barrel has the advantages of simple fittings, high firmness and wide market prospect.

The invention discloses a magnetic immunochemiluminiscence detection kit for olaquindox and application of the magnetic immunochemiluminiscence detection kit, an anti-olaquindox monoclonal antibody prepared by the magnetic immunochemiluminiscence detection kit is strong in specificity, the prepared kit has higher precision and accuracy, and the kit has high specificity for olaquindox; the kit canqualitatively and quantitatively detect olaquindox in water and feed, the sample pretreatment process is simple, convenient and fast, and the detection accuracy is high; the kit disclosed by the invention is a chemiluminiscence detection kit; high sensitivity, the accuracy is high and the background interference is not obvious; the detection time is short and the operation is convenient; the chemiluminiscence immunoassay based on the magnetic bead as the carrier effectively exerts the advantages of the chemiluminiscence immunoassay, the detection result can be read by a conventional chemiluminiscence analyzer, and the chemiluminiscence immunoassay based on the magnetic bead as the carrier has good compatibility, high application value and wide market prospect, and can effectively promote the development of the olaquindox quick detection technology.

The invention provides a tomato planting method. The tomato planting method includes: a, seedling cultivating facility preparation: covering a seedling cultivating greenhouse with 'two nets and one film'; b, seed selection; c, seed soaking: airing seeds, soaking the seeds in chemical liquid and soaking the seeds in clean water; d, seedling cultivation: cultivating seedlings by plug seedlings or in feeding blocks; e, seedling management: keeping moisture and lowering a temperature; f, field planting: adopting organic fertilizer and compound fertilizer, and cultivating in wide and narrow rows; e, field management: managing the temperature, water, the fertilizer, flower pollination and a topping technology; h, disease and pest prevention. The tomato planting method has the advantages that since a precision management method is adopted, the organic fertilizer, inorganic fertilizer and the compound fertilizer are combined in use, and effective disease and pest preventing measures are taken, green environmental friendliness, safety, health, high yield, high economic benefit and the like are realized, and accordingly the tomato planting method is wide in market prospect in application and popularization of tomato cultivation.

The invention discloses a strong air water removal carpet, relates to the field of carpets, and solves the technical problem that rainwater of shoe soles cannot be effectively absorbed and removed inthe prior art. According to the carpet, water collection tanks are arranged based on an original carpet, an air blowing unit and a baffle plate corresponding to the air blowing unit are arranged on two sides of the carpet, air compressors are connected with air inlets of the air blowing units when the carpet is used, the air can be rapidly ejected from air blowing holes, so that moisture of the shoe soles are blown down and blown dry, and the moisture blown down is collected and discharged by the aid of the baffle plate and the water collection tanks. The carpet is simple in structure, easy tomanufacture and good in effect and has a wide market prospect.

The invention provides a preparation method of a flexible screen base material. The preparation method of the flexible screen base material comprises the steps that S1, phosphotungstic acid and carbonfiber powder are sequentially added into a reactor, polyvinyl alcohol is added for stirring evenly, a mixture is added into glacial acetic acid under ultrasonic stirring, stirring and filtering are carried out, and the mixture is washed by deionized water to be neutral; S2, corn cobs are smashed, boiling reflux is carried out by a KOH solution, and filtering is carried out; and filter residue issoaked and stirred by hydrochloric acid, filtering is carried out after absolute ethyl alcohol is subjected to heating reflux, the filter residue is washed by the deionized water to be neutral and isdissolved in water, a heavy metal chelating agent is added, reaction and filtering are carried out, a filter liquor is subjected to reduced pressure evaporation, and the pretreated corn cobs are obtained; and S3, the pretreated corn cobs are added into an acetic acid solution for grinding, carbon fiber and konjac glucomannan are added and doped in a mixture under stirring, stirring, ultrasonic andcentrifugalization are carried out, a supernatant liquor is taken and diluted, water bath drying by distillation is carried out, and the flexible screen base material is obtained. The preparation method of the flexible screen base material is simple, a source of raw materials is wide, the cost is low, and the market prospects are wide.

The invention discloses a high-resolution thermal transfer ribbon which comprises a ribbon base, a thermal transfer ink layer and a thermal resisting coating. One side of the ribbon base is coated with the thermal transfer ink layer, and the other side of the ribbon base is coated with the thermal resisting coating. The thermal transfer ink layer is prepared from, by weight, 28-32 parts of lignite wax, 45-50 parts of carnauba wax, 14-17 parts of carbon black, 12-15 parts of soldering iron black, 4-8 parts of kaolin, 1-3 parts of montmorillonoid, 2.5-3.5 parts of aluminum phosphate, 4-6 parts of DCPD resin, 1-2 parts of methyl silicone oil and 1-5 parts of ethyl acetate. The thermal resisting coating is prepared from, by weight, 9-15 parts of acrylic resin and 85-90 parts of polyimide. The invention further discloses a preparation method of the high-resolution thermal transfer ribbon. The high-resolution thermal transfer ribbon is good in adhesive force, clear in print, resistant to scraping and wide in market prospect.

The invention discloses plant high-protein compound bait for feeding of grass carp. The bait is prepared from components in parts by mass as follows: 80-100 parts of sweet potato vine powder, 10-20 parts of soybean cake powder, 4-6 parts of wheat bran, 10-15 parts of sweet potato powder, 0-1 part of table salt, 0-2 parts of auxin and 0-2 parts of calcium hydrophosphate. By means of the scheme, according to the plant high-protein compound bait for feeding of the grass carp, the concepts of modern manual feed feeding and rapid breeding are abandoned through feeding with natural formula bait meeting growth demands of the grass carp, multi-nutrition slow feeding of the grass carp is performed, the edible value and the nutritional ingredients of the grass carp are favorably increased, the vitality and the resistivity of the grass carp are also favorably improved, and the bait adopts novel proportion and scientific feeding, increases the yield and the survival rate, improves the nutritionalingredients and the edible quality and has broad market prospects in popularization of the plant high-protein compound bait for feeding of the grass carp.

The invention belongs to the field of chemical medicines and specifically relates to a compound capable of inhibiting PRMT7. The compound has a general formula as shown in the specification. Proved insome embodiments, the compound can generate a relatively good effect on inhibiting PRMT7, also has a good effect on inhibiting tumor cells, has a good medicinal potential and provides a new potentialchoice for clinical medication; meanwhile, the preparation method of the novel compound provided by the invention is simple, convenient, mild in reaction condition, convenient to operate and control,low in energy consumption, high in yield, low in cost and suitable for industrial production; and the prepared compound is relatively high in bioactivity, strong in tumor cell selectivity, remarkablein drug likeness and wide in market prospect.

The invention discloses a novel fish roe preparation and fish roe sausage product processing method. The preparation method includes the steps: A preparing sodium alginate into dirty solution; B placing fish roes into a nylon bag and scalding the fish roes with 75 DEG C hot water for 1 minute; C mixing the prepared dirty solution with the used fish roes according to the ratio of 1:2, tumbling themixture in a vacuum tumbler for 1 minute and sucking the dirty solution after scalding the fish roes; D filtering redundant dirty solution and placing the fish roes containing sodium alginate mixed solution into 1.5% calcium chloride water solution. A novel fish roe sausage product produced by the method has the biggest advantages that the novel fish roe sausage product contains the novel fish roes with excellent cracking feeling, good chewing resistance and stable quality and is attractive in color, rich in nutrients and convenient to eat, a raw material formula and the processing method of the product are unique, a large number of fish roes can be digested, production cost is low, development of aquaculture industry can be vigorously promoted, and the market prospect is wide.

The invention provides a lipase mutant with improved heat stability and a construction method thereof. The lipase mutant with improved heat stability is obtained by subjecting Candida Antarctica lipase B gene to several rounds of fixed point saturation mutagenesis, the Candida Antarctica lipase B having an amino acid residue sequence expressed by SEQ ID No:1, and the lipase mutant having amino acid residue sequences expressed by SEQ ID No:2, SEQ ID No:3 or SEQ ID No:4, each of which consists of 317 amino acids. A method of semi-rational design is utilized in the invention, and a lipase mutantis obtained by subjecting Candida Antarctica lipase B gene to several rounds of fixed point saturation mutagenesis, wherein the mutant includes amino acid mutations D223G, L278M and combination of the two. Expressed by T50<15> and half-life t1/2 at the temperature of 48 DEG C respectively, the heat stability of the lipase mutant is improved, and a high actual application value and broad market prospects are also provided.

The invention discloses a method for producing delicious bound trotters through fermentation by utilizing mixed cultures. The method comprises the following steps of A, pretreating pork rind; B, preparing meat to be preserved; C, preserving the prepared meat; D, rolling and kneading the preserved meat; E, preparing a fermenting agent; F, performing fermentation; G, encrusting, and binding the fermented meat to obtain shaped meat; H, marinating the shaped meat; I, cooling the marinated meat, and packaging the cooled meat; and J, disinfecting the packaged meat, cooling the disinfected meat, packaging the cooled meat in a box, and warehousing the packaged meat. The fermented bound trotters disclosed by the invention are novel bound trotters produced based on improvement of conventional bound trotter producing methods and process conditions, so that the digestive absorption of the bound trotters by human bodies is promoted, the mouth feel and the flavor of the bound trotters are improved to a certain extent, the content of nitrite is effectively reduced, and the antibacterial effect is better. The bound trotters which are fermented by the mixed cultures are rich in nutrition, are animal meat but not greasy, are deep red in color, and are moderate in salty and sweet degrees, and rich in palatable taste. The bound trotters promote salivation after being chewed, and the bound trotters not only have the flavor of lactic acid and yeast, but also have the special flavor of fermented meat products. The fermented bound trotters disclosed by the invention have a wide market prospect in the future.

The invention discloses a fluorescent identification method for transfer of mRNA molecules between stock and scion of plants and relates to the field of plant molecular biology. In the invention, a carrier, in which a gene carrying a fluorescent protein tag, is constructed for performing transgenosis, thus performing micro-grafting to a transgenic stock and a wild-type scion in a sterile glass bottle. Because an adventitious root is easy to grow on the scion existing in a damp environment, existence of fluorescence sent form the adventitious root on the scion can be detected by a laser scanning confocal microscope, thus determining whether long-distance transfer of genes between the stock and scion occurs or not; or whether the long-distance transfer of genes between the stock and scion occurs or not is determined by using nested-PCR for identifying existence of specific stripes on both the stock and scion. The method finally achieves intuitive observation of the long-distance transferof genes between the stock and scion. The method is intuitive, quick, sensitive and accurate, can be applied to various plant genes without limitation of species, and has extensive application prospect in the field of plant molecular biology.

The invention belongs to the technical field of apple seedling cultivation, and discloses a method for rapid propagation of apple rootstock SH38, by adopting a culture medium of MS+6-BA0.6mg/L+IBA0.1mg/L+PVP 500mg/L for primary culture , Subculture with MS+6‑BA 0.6mg/L+IBA 0.1mg/L, root culture with rooting medium 1/2MS+IBA1.2mg/L+melatonin 0.03mg/L, and then pure Sawdust hardening and transplanting; realized the rapid propagation of apple rootstock, not only ensured a high survival rate, but also retained the excellent characteristics of the rootstock, providing a convenient method and approach for the development and further expansion of the apple industry. The invention establishes a method for rapid propagation of apple rootstock SH38, which is of great significance for producing high-quality dwarf virus-free seedlings and has broad market prospects.

The invention relates to the field of decorative materials, in particular to a wall film, which includes a base layer, an adhesive layer, a thermal insulation layer, an adsorption layer, a heat dissipation layer and a pattern layer. The present invention adopts the method of multi-level layer combination, and finally forms a new type of material. The present invention is designed for home decoration, changes the traditional point of view of wall decoration with paint, and avoids harmful effects such as formaldehyde. Gas troubles, and at the same time have the functions of waterproof, heat preservation, heat dissipation and adsorption of harmful gases. The invention has a reasonable structure, convenient decoration, and has broad market prospects.

The invention discloses an improved glue sprayer and a glue spraying waste gas treatment method applying the improved glue sprayer. The improved glue sprayer comprises a case, an operation platform, aflow guiding cover body and a top cover plate. The flow guiding cover body surrounds the left side, the right side and the back side of the operation platform; the top cover plate is arranged on thetop part of the flow guiding cover body; a waste gas inlet is formed in the front side of the middle of the flow guiding cover body; a flow guiding plate is arranged in the middle of the waste gas inlet; a waste gas outlet is formed in the front side of the lower part of the flow guiding cover body; exhaust channels are arranged at the left end part and the right end part of the flow guiding coverbody; a filter cavity is arranged in the center of the operation platform; a seal cover plate is arranged on an opening of the upper end of the filter cavity; a gas inlet communicating with the wastegas is formed in a rear side wall of the filter cavity; a gas outlet hopper is arranged on an opening of the lower end of the filter cavity; an outlet of the gas outlet hopper is connected with inlets of two exhaust manifolds through an induced draft fan; and outlets of the two exhaust manifolds communicate with the two exhaust channels. The improved glue sprayer is ingenious in design, compact in structure and good in use effect.

The invention provides a production process of an imitated silicified wood crystal wood grain powder coating product. The production process comprises the following steps of after mixing raw materials, putting in a high-speed mixing tank, mixing the materials in the high-speed mixing tank for 5 minutes, transferring the mixed material into a double-screw extruding machine hopper, heat-kneading and extruding at the temperature of 100 to 120 DEG C, cooling and smashing through a tableting, cooling and smashing machine, transferring into an ACM grinding machine for grinding and sieving, preparing into powder with the average grain diameter being 35 micrometers, transferring the powder into a binding machine, adding a pearlescent pigment in a formula for binding, and sieving to prepare a powder coating. The imitated silicified wood crystal wood grain powder coating product is good in applicability, is cooperatively used with other raw materials, can create an imitated silicified wood effect, is widely applied, is applicable to multiple uses such as MDF (Medium Density Fiberboard) and metal surface coating, and is low in cost, giant in value, and wide in market prospect.

The invention relates to the technical field of clamping devices, in particular to a clamping device for valve machining. The clamping device comprises a base and a motor. The motor is fixedly connected to the right end of the base. The tail end of a spindle of the motor is fixedly connected with a multi-groove cam. The top end of the multi-groove cam is slidably connected with a cam sliding block. The top end of the cam sliding block is fixedly connected with a movable support. The movable support is slidably connected with the base. Gears are rotatably connected to the inner walls of the rear end faces of boxes. The outer sides of the gears are engaged with a rack. The right end of the rack is fixedly connected with a movable clamping rod. Through arrangement of the gears, the racks, clamping blocks and fixed rings, the clamping device can conduct clamping on different sizes of valves to facilitate subsequent machining and manufacturing, and the racks can be fixed conveniently through the clamping blocks and springs, so that the overall structure is stabilized, and accidents occurring in the machining and manufacturing process due to instable clamping of the valves are avoided. The clamping device has the huge economic benefits and broad market prospects and is worth application and popularization.