51 results about "Waste material" patented technology

The invention discloses a mushroom cultivating material which is characterized in that bamboo sawdust, bamboo shells and biogas residues are used as raw materials, and the water content of the cultivating material is 62-65%. The invention also provides a manufacturing method of the cultivating material. Compared with the prior art, the mushroom cultivating material has the advantages that firstly, the cultivating material is reasonable in proportion, and a fungous material keeps certain air permeability, so that the growth speed of mycelia is increased, and the sackful time is shortened; secondly, bamboo sawdust particles are hard in texture and resistant to decomposition, and the biogas residues contains comprehensive nutrients including nitrogen, phosphorus and potassium, so that the growth of mushroom is promoted, the yield of a product is increased, and the quality of the product is improved; and thirdly, wood is replaced with bamboos and bran is replaced with the biogas residues, so that the source of a cultivating raw material is widened, and the production cost is reduced. The mushroom cultivating material has the social benefits that wood dust is replaced with the bamboo sawdust and the bamboo shells, so that part of contradiction between a fungus and forestry can be alleviated, waste materials can be changed into things of value, and energy conservation and emission reduction can be favorably realized.

The invention relates to a fluid construction mixture comprising a sludge or tailing material (such as a dredged material), a binder, a binder retarding agent, optionally one or more other ingredients. The invention further relates to a method for preparing a solid construction material and to the use of construction material in infrastructural projects.

The invention relates to a processing method of changing food waste into resources. Ethanol, methane, liquid fertilizers, solid fertilizers, pet food and the like can be obtained through the following steps of food waste solid and liquid separation and respectively treatment after the food, the potato type, the vegetable melon and fruit type, the animal meal and fish bone type and rubbish sundries are sorted from the solid, and oil for producing biodiesel, soap and glycerin, purified water used for fish culture, water plant planting and farmland and garden irrigation and the like can be obtained after liquid treatment. The methane is used for combustion after being dewatered, and is used for electric power generation after being desulfurized, and the waste heat of the electric power generation is reused. The method of the invention fully utilizes waste materials, produces various products, and has the advantages of low energy consumption and high yield.

The invention belongs to the technical field of concrete. The invention relates to recycled concrete and a preparation method thereof. The recycled concrete comprises the following raw materials in parts by weight: 150-200 parts of a recycled concrete aggregate, 400-450 parts of cement, 700-800 parts of sand, 1000-1100 parts of stones, 120-150 parts of mineral powder, 50-100 parts of fly ash, 3-7parts of an expanding agent, 5-10 parts of a tackifier, 4-8 parts of a water reducing agent and 150-200 parts of water. Concrete waste is subjected to crushing, hydrochloric acid solution soaking, sodium silicate solution soaking and polyvinyl alcohol solution soaking to prepare the recycled concrete aggregate, and gaps of the concrete waste are filled, so that the mechanical property of the recycled concrete aggregate is improved. The recycled concrete prepared in the invention has excellent mechanical properties, and is suitable for constructional engineering with high requirements on concrete.

The invention discloses a girdling and stripping device for an outer insulating sheath of a cable. The device comprises a main machine body. A left-right through cutting cavity is formed in the main machine body. A clamping delivery mechanism is arranged on the left side of the cutting cavity. A rotary delivery cavity which is through left and right and communicates with the cutting cavity is formed in the clamping delivery mechanism. Three L-shaped delivery machine arms are uniformly arranged on the inner wall of the rotary delivery cavity. According to the invention, through rotation and delivery of the delivery arm, a cable is fed into the cutting cavity, annular and linear cutting is conducted on the surface of the cable through the cutting knife, the insulation sheath of the cable iscut off, and accurate and reliable cutting is guaranteed through supporting of the supporting mechanism. Meanwhile, the cut insulation sheath is automatically separated through the peeling mechanism,and the cable and cutting waste are conveyed out respectively.

The invention discloses a comprehensive utilization treating method for aeroconcrete waste materials. Firstly, drying the aeroconcrete waste materials, then mixing the aeroconcrete waste material with anhydrite or dihydrate gypsum according to a certain mass percentage ratio after calcining, grinding the mixture in a ball mill to prepare an expansive agent, evenly mixing the expansive agent with silicate cement to prepare expansive cement, calcining the aeroconcrete waste materials in high temperature, grinding the waste materials in the ball mill into a powder lot with specific surface area of 300-400g/cm2, thereby obtaining gelled materials, using the powderlot quantity of 50-150kg per cubic meter as fillers to replace lime or dense concrete filled with lime. The treating method of the invention has the advantages of simple technology, no secondary pollution, being applicable for commercial process, making more full use of aeroconcrete waste materials, and changing waste into valuable.

The invention provides a rotary connector, which can simply realize a locking structure of maintaining a movable side case in a rotation neutral position at low price. At the same time, waste materials are not generated because the special unlocking work procedure is not needed. The rotary connector comprises a stop component (10), wherein the stop component (10) is arranged on an outer tube part (4) of a fixed side case (1), and can stop the free rotation of a top plate part (6a) of a movable side case (2). A pair of elastic wrist sheets (13) is clamped on a clamping part (4b) of the outer tube part (4), so the stop component (10) is maintained inside a cut part (6e) of the top plate part (6a) and is inserted into a locking position of a top part (11). The rotary connector rotates to a steering disc after being arranged on a steering device, and the top plate part (6a) exerted with the required rotating force is downwards pressed into the top plate (11). At the same time, because a pair of elastic foot sheets (12) of the stop component (10) generates elastic deformation to be in clamped and buckled combination with a clamping part (4c) of the outer tube part (4), the top part (11) retreats from the inside of the cut part (6e), and the stop component (10) is maintained in the unlocking position.

The invention discloses a method for preparing silicon nitride powder with saw dust, comprising the steps of: taking saw dust and silica sol as raw materials; sufficiently using the characteristics such as the porosity, the easy impregnating and the high-temperature carbonizing of the saw dust, and the easy grinding of the produced saw dust; drawing inorganic substance into the saw dust by means of sol-gel; filling the gel which takes silicon dioxide as main component into gaps of woods, so that the raw materials are evenly mixed; carbonizing, carbon thermally reducing and nitriding silica sol-impregnated saw dust in a high-temperature controllable atmosphere furnace to prepare Si3N4 ceramics powder. The method is characterized of obtaining the Si3N4 ceramics powder with higher purity, high alpha phase content and small grain diameter, and marrow granularity distribution range; preparing the high-quality Si3N4 ceramics powder with a technology with lower cost; reasonably and sufficiently utilizing the saw dust; and recycling waste material. The method is experimentally tested to have good performance for synthesizing the silicon nitride powder, and be an effective and feasible way.

The invention relates to a decorative and thermal insulation integrated novel lightweight walling material made from polishing brick waste. The novel lightweight walling material is characterized by being composed of colored glass and a polishing brick waste foamed material, wherein the colored glass is composed of 25-45% of potassium feldspar, 20-40% of quartz, 5-25% of calcite, 4-8% of borax, 2-8% of barium carbonate, 2-8% of zirconium silicate, 2-6% of potassium nitrate and 0-10% of ceramic toner; the polishing brick waste foamed material is composed of 85-100% of polishing brick waste and0-15% of coal gangue; the ceramic toner is one or more then one of cobalt black, malachite green, chromium-selenium red, praseodymium yellow and zirconium-vanadium blue; and the decorative and thermal insulation integrated novel lightweight walling material is prepared by drawing, material spreading and firing. According to the invention, by adding the ceramic toner, the decorative and thermal insulation integrated novel lightweight walling material can be prepared into high-grade internal and external wall finishing materials with various single colors, compound colors and landscape and character patterns; and the production cost is low, the environmental pollution is reduced, the decorative and thermal insulation integrated novel lightweight walling material is economical and environmentally friendly and the waste is recycled.

The invention discloses an oil-immersed transformer capable of cleaning impurities, and the transformer comprises a mounting frame, an oil discharging mechanism and a cooling box; a motor is fixed tothe outer side of the mounting frame, a rotating shaft is rotatably connected to the interior of the mounting frame, an oil pump is fixed to the right side of a transformer body, and a baffle is fixedto the outer side of an oil discharging pipe; and an oil discharging opening is formed in the outer side of the connecting pipe, the cooling box is fixed to the left side of the fixed plate, and thecooling box is fixed to the right side of the fixed plate. The oil-immersed transformer capable of cleaning impurities is provided with the first filter plate, the filter screen and the waste port, transformer oil in the transformer body is pumped through the oil pump and conveyed into the oil storage tank in cooperation with the oil conveying pipe, the transformer oil is filtered in cooperation with the filter screen, and the impurities in the transformer oil are repeatedly and conveniently filtered; impurities can automatically slide to a waste port to be discharged by matching with the inclined filter screen, the structure is simple, and the service lives of electrical elements in the transformer main body and transformer oil are prolonged.

The invention discloses an intelligent control system for an electric mop. The intelligent control system for the electric mop comprises an interactive interface which is used by a user to input operation requests to the control system of the mop; an automatic feeding module which is used for receiving the operation application of new feeding from the interactive interface, and sending a prompt that the new application of feeding operation is waiting to begin to a control module; a PLC controller which is used for sending operating instructions which are inputted by the user through the interactive interface to the material replacement module; a material replacement module which is used for receiving the operating instructions from the PLC controller, and executing replacement operations or non-replacement operations of the material; an automatic discharging module which is used for executing the operations of the automatic discharging of the material. When the new application of the feeding operation is present, switching between a new material and a waste material is achieved through the material replacement module according to the operating instructions of the user, and the operations of the automatic replacement of the mop material are completed, thus the working efficiency of the material treatment is greatly improved.

The invention relates to the technical field of LED display screen manufacturing, in particular to a die-casting forming mold and die-casting forming technology of a bottom shell of an LED display screen module. The mold comprises a front mold assembly and a rear mold assembly, wherein the parting surface of the rear mold assembly is provided with a rear mold casting forming area, a feeding runner and discharging main runners communicating with the rear mold casting forming area; the feeding runner comprises a feeding main runner and a plurality of feeding auxiliary runners which communicates a transverse runner region of the feeding main runner with the rear mold casting forming area and are located in the same plane with the feeding main runner; the parting surface of the front mold assembly is provided with a front mold forming area; and a die-casting forming cavity is formed between the front mold forming area and the rear mold casting forming area. According to the die-casting forming mold and die-casting forming technology of the bottom shell of the LED display screen module, the mold can ensure the stability of the flatness and the accuracy of the thickness of a casting product, the size stability of a finished product of the casting can be improved, and the use amount of die-casting raw materials and the yield of the waste are reduced; and meanwhile, due to the fact that the process steps of the forming technology are few, the manufacturing cost of the casting is greatly reduced.

A low-breakage sunflower threshing machine capable of automatically adjusting de-seeding gaps comprises a rack, an electromotor which is fixedly arranged on the lower side portion of the rack and provides power for the threshing machine to conduct threshing and a threshing roller fixed to the rack; the threshing roller comprises a roller body which is connected with bearing seats at the two ends of the rack in a matched mode, a machine cover arranged at the top of the roller and a punching sieve located below the roller body; spiral blades are arranged on the outer circumferential surface of one end of the roller body, and rolling teeth are arranged on the outer circumferential surface of the other end of the roller body; a feeding opening used for feeding sunflowers is formed in the side, close to the spiral blades, of the machine cover, a waste material opening used for discharging threshed sunflower discs is formed in the side, close to the rolling teeth, of the machine cover, and the bottom of the punching sieve is connected with the rack through an elastic element. The low-breakage sunflower threshing machine capable of automatically adjusting the de-seeding gaps has the advantages that the threshing machine is simple in structure, convenient to operate and strong in practicability, the sunflower discs are not broken, thorough threshing is achieved, the threshing speed is high, and the breakage rate is small.

The invention discloses environment-friendly civil engineering construction waste treatment equipment. The equipment comprises a box body, supporting legs, a discharging pipe and a smashing roller, the supporting legs are connected to the bottom of the box body, the discharging pipe is connected to the middle of the bottom of the box body, and the smashing roller is arranged in the box body; and the equipment further comprises a discharging mechanism arranged at the top of the box body, and a crushing mechanism used for crushing large waste. The environment-friendly civil engineering construction waste treatment equipment has the beneficial effects that the large waste can be crushed into small waste in advance by arranging the crushing mechanism, then the small waste is treated, manual crushing is not needed, manpower is saved, the treatment efficiency is high, waste which does not meet the crushing standard can be screened out by arranging a screening and filtering mechanism, repeated smashing is conducted, the smashing quality of the waste is guaranteed, by arranging a material returning mechanism, the waste which does not reach the smashing standard is conveyed to the discharging pipe again, so that the waste is crushed again, by arranging a vibrating mechanism, a screen is vibrated, the screening speed is increased, and the treatment efficiency is improved.

The invention provides a treatment system of smoke organic waste gas produced in circuit board disassembly. The treatment system of the smoke organic waste gas produced in the circuit board disassembly comprises a lime storage tank, a dry method lime spray tower, a pulsed bag-type dust remover, an activated carbon adsorption tower, a first fan and a second fan, wherein pulsed control ash removal equipment is installed on the upper portion of the pulsed bag-type dust remover; multiple nozzles communicated with an inner cavity of the dry method lime spray tower are arranged in the middle of an enclosure bulkhead of the dry method lime spray tower, the nozzles are connected with an exhaust opening of the first fan through pipelines, a discharge opening in the bottom of the lime storage tank is connected to the pipeline between the nozzles and the exhaust opening of the first fan through a gate valve and a pipeline, a waste gas inlet is formed in the lower portion of the enclosure bulkhead of the dry method lime spray tower, the bottom of the dry method lime spray tower is provided with an ash hopper for collecting waste materials, and the top of the dry method lime spray tower is provided with a spray tower gas outlet. By means of the treatment system of the smoke organic waste gas produced in the circuit board disassembly, the treatment efficiency of the smoke dust treatment system is effectively improved, and the treatment cost is reduced. Meanwhile, by means of the adsorption of activated carbon on volatile organic matter and off-flavors, the total purification efficiency of the organic waste gas treatment system is improved.

The invention provides a repaired battery disassembling production line and an implementation method thereof, which are used for disassembling a battery pack, and comprise a battery PACK conveying system, an upper box body disassembling system, an isolation room and a control system; the battery PACK conveying system comprises a conveying skip car, a conveying sliding table, a lifting appliance and an identification device; and the upper box disassembling system comprises a disassembling station, a disassembling robot and an upper box waste vehicle station. The isolation room comprises a dustproof room body covering the outer side of the upper box body disassembling system, the dustproof room body is provided with an inlet and an outlet, the inlet is located on the front side of the disassembling station on the conveying sliding table, and the outlet is located on one side of the upper box body waste vehicle station; and the control system is connected with and drives the battery PACKconveying system and the upper box body disassembling system, and binds and stores the battery pack and the disassembled photo of the battery pack, and the production line uses an instrument to replace manpower, so that full automation is realized.

The invention discloses an intelligent forming method for an automobile covering part mold, which can solve technical problem that the utilization rate of manufacturing materials of the automobile covering part die is low. The method comprises the following steps: step 1, establishing a standard material sheet; 2, comparing the part with a standard material sheet; 3, combinig and splitting the parts; 4, optimizing a blanking scheme, and utilizing waste materials; 5, carrying out opening drawing and drawing ridge treatment; 6, carrying out shallow drawing treatment; 7, minimizing a process supplement surface; and 8, carrying out mold manufacturing and forming, specifically, after the first step to the seventh step are comprehensively matched, manufacturing automobile covering part molds andgenerating finished products. According to the application, the material utilization rate of the automobile covering part mold can be greatly increased, the material utilization rate can be comprehensively increased by 5%-20% from the aspect of use experience, and the cost saving amount is surprising for batch manufacturing of parts.

The invention discloses a shaft sleeve oil groove machining lathe. The shaft sleeve oil groove machining lathe comprises a rack, a main shaft box, a guide rail, a transmission mechanism and an oil groove machining mechanism. The shaft sleeve oil groove machining lathe is characterized in that the main shaft box is located below the rack, and the front face of the main shaft box is provided with anoperation panel; the guide rail is arranged at the right side of the main shaft box, and a waste material box is arranged below the guide rail; a storage box is arranged at the right end of the rack;the transmission mechanism comprises a motor, a first driven shaft, a main shaft, a driving shaft, a second driven shaft and a swing rod; the left end of the motor and the left end of the first driven shaft are each provided with a belt wheel; a belt is arranged at the outer sides of the belt wheels; a first driving gear is arranged in the middle of the first driven shaft; a first driven gear isarranged in the middle of the main shaft; a chuck is arranged at the right end of the first driven gear; and a second driving gear is arranged at the left end of the main shaft. By means of the shaftsleeve oil groove machining lathe, machining quality and efficiency of a shaft sleeve oil groove can be guaranteed; the labor intensity of workers is lowered; and the shaft sleeve oil groove machininglathe is reasonable in structural design and easy and convenient to operate.

The invention relates to the technical field of non-woven fabric production, in particular to non-woven fabric punching equipment capable of processing waste. The equipment comprises a workbench, a bracket and a punching mechanism for non-woven fabric punching, wherein the bracket is fixedly installed on the workbench; the punching mechanism comprises a sleeve fixed on the bracket, a punching headinserted at the inner side of the sleeve and slidably connected to the sleeve, and a driving mechanism for the punching head to reciprocate up and down; the sleeve and the punching head are both in ahollow structure and communicate with each other; the upper end of the sleeve is communicated with a collection cavity connected with a suction fan through a duct, and a filter screen for waste filtering is arranged at the inner side of the collection cavity. The invention has a novel design. When the set suction fan works, negative pressure is generated at the inner side of the collection cavity, and the waste generated after the punching of the punching head enters the collection cavity through the sleeve and the duct for collection, which requires no subsequent excessive processing of waste while being convenient for punching.

The invention provides a recycling method of a copper-indium-gallium-selenium waste material. The material recycling method comprises the steps of mixing the copper-indium-gallium-selenium waste material with chloride, and conducting uniform stirring, so that a pretreated material is obtained; conducting first-stage chloridizing roasting, wherein under the conditions of the chlorine gas atmosphereand the temperature ranging from 200 DEG C to 300 DEG C, the pretreated material is roasted, so that chloride gas containing selenium and gallium and roasting slag containing copper and indium are obtained; and conducting second-stage chloridizing roasting, wherein under the conditions of the chlorine gas atmosphere and the temperature ranging from 550 DEG C to 650 DEG C, secondary chloridizing roasting is conducted on the roasting slag which remains after the first-stage chloridizing roasting and contains the copper and the indium, so that indium-containing chloride gas and copper-containingroasting slag are obtained. According to the recycling method, a chloridizing roasting step-by-step volatilization method is adopted for separating and purifying the copper, the indium, the gallium and the selenium; separation and purification are achieved through volatilization of the metal chloride; the separation effect is good; a small amount of chemical reagents is consumed; and waste waterdisposal is easy to conduct subsequently .

According to the building waste crushing device with the dust removal function, when building waste is crushed, a crushing box can be in a sealed state, dust can be effectively prevented from directly entering the environment, dust removal can be conducted through a gas circulating pump while crushing is conducted, and therefore it is not needed to wait for dust sedimentation after crushing is completed; and through arrangement of a blockage reminding piece, when the filter plate is blocked, an elastic sealing film can play a reminding role through protrusions and light reflection, a worker can find the blockage phenomenon of the filter plate in time, and through arrangement of a dry-pumping-preventing dust discharging piece, the blockage phenomenon of the filter plate can be effectively avoided. And dust in the exhaust pipe is convenient to clean, and the dry exhaust phenomenon of the gas circulating pump can be prevented to a certain extent, so that a worker can have more sufficient time to close the gas circulating pump, and the practicability is greatly improved.

The invention discloses a garbage compressing method for environmental protection. Firstly, garbage scraps need to be put into a guiding shell through gathering pipes, a rotary motor is started at thesame time, and drives rotary rolls to rotate, and then two sets of grinding teeth which rotate in opposite directions are utilized for crushing the garbage, so that the sufficiency of compressing thegarbage is improved. Crushed materials shall fall into the bottom of a compressing box body, then a hydraulic cylinder is started and drives a compressing plate to fall and compress the garbage, after compression is finished, a discharging cover is opened, then electric push rods are utilized for pushing out the compressed garbage scraps, and in this way, the convenience in discharging is improved.

The invention discloses a rare earth crushing device for rare earth waste recovery, and relates to the technical field of rare earth waste recovery. The rare earth crushing device includes a base plate, and a material collecting box is placed on the upper surface of the base plate. A first machine case and a second machine case are separately arranged on the opposite sides of the material collecting box, and a crushing box is fixed between the first machine case and the second machine case. The crushing box is arranged above the material collecting box, and the bottom wall of the crushing boxis of a semi-circular structure. A discharge opening is formed in the bottom wall of the crushing box in the length direction, and matching openings are formed in the opposite side walls of the crushing box. The matching openings are arranged in the lower part of the crushing box, and inner gear rings are fixed to the outer edges of the matching openings. A roller is rotatably installed in the crushing box in the length direction, and the outer wall of the roller is attached to the bottom wall of the crushing box. The rare earth crushing device is simple and reasonable in structure design andconvenient to operate, effectively improves the crushing effect of rare earth waste, and has high market application value.

A method for recycling permanent magnet ferrite waste, which is characterized in that it includes the following steps: placing waste magnetic tiles in grades according to different grades, first coarsely crushing them, and then further finely crushing them until the waste magnetic tiles with an average particle size of 2-5 μm are obtained. The magnetic tile materials are recycled according to different grades; the pre-fired materials are mixed with the waste magnetic tile materials, and enter the fine crushing stage; Recycling after magnetic separation and impurity removal treatment, adding additives in the fine crushing stage; and then preparing permanent magnet ferrite according to the conventional permanent magnet ferrite preparation process. The invention can obtain the permanent magnet ferrite with lower cost, higher qualified rate of products, good consistency of magnetic properties and excellent mechanical strength of products.

The invention discloses a puffing device with a drying function for potato chip processing. The puffing device with the drying function for potato chip processing comprises a main body, a viewport, awaste material collecting plate and a drying box, wherein an inlet is formed in the upper part of the main body; a scale line is arranged on the outer surface of the inlet; a control panel is arrangedat the left side of the main body and is closely adhered to the main body; bolts penetrate the upper side and lower side of the control console; the viewport is arranged on the outer surface of the main body and is fastened on the main body by a nut; a sliding chute is arranged inside the viewport; a pulley is arranged inside the sliding chute; a folding plate is arranged below the pulley; an outlet is arranged in the lower part of the main body; and a concave groove is formed in the lower part of the outlet. The puffing device with the drying function for potato chip processing is provided with the drying box; when the rate of the interior of the puffing device is excessively slow, the temperature of the interior of the puffing device can be increased by opening the drying box, so that the production efficiency of the puffing device is improved, and the efficiency is improved.

The invention discloses a cutting device with a leftover material collecting function for mechanical equipment production. The cutting device comprises a bottom plate, a supporting plate is welded toone end of the top of the bottom plate, a fixing plate is welded to the top of the supporting plate, a motor is installed at one end of the outer wall of the bottom of the fixing plate, and an outputshaft of the motor is connected with a cutting blade; and two hydraulic oil cylinders are installed at the other end of the top of the bottom plate, a same object placing plate is fixed to piston rodsof the two hydraulic oil cylinders, a fixing frame is installed at the end, close to the cutting blade, of the top of the object placing plate, and a threaded rod is in threaded connection with the middle of the outer wall of the top of the fixing frame. Cutting waste can be well collected for secondary utilization, the production cost is reduced, meanwhile, scraps generated during cutting can bepumped out in time, the surrounding working environment is protected, the side, needing to be cut, of a plate can be rapidly fixed through a pressing plate, the plate is lifted to the proper height through the hydraulic oil cylinders, and therefore, the working efficiency is greatly improved.

The invention belongs to the technical field of metallurgical industry waste treatment, and particularly relates to a method and equipment for eliminating high alkalinity of red mud through supergravity, soluble sodium in the red mud can be separated step by step in the form of sodium-rich slag and NaAlSiO4 phase, no harm is caused to the environment and ecology, modification is not needed in the process, and harmless and resourceful treatment of the red mud is achieved. Red mud mixed with a coal-based reducing agent is added into a supergravity high-temperature reactor, fractional crystallization separation of the red mud is achieved through two-step heat preservation treatment and two-time supergravity separation, and finally the high alkalinity of the red mud is successfully eliminated.