95 results about "Biochemical engineering" patented technology

The invention relates to a filter, which comprises a filter shell, wherein the upper part of the filter shell is provided with an air inlet pipe, and the lower part of the filter shell is provided with a blow-off pipe. The filter is characterized in that a filter core is arranged inside the filter shell and comprises an upper supporting plate and a lower supporting plate; a foldable annular filter screen is arranged between the upper supporting plate and the lower supporting plate; an air outlet pipe is arranged on the lower supporting plate; an air outlet end of the air outlet pipe is extended out of the filter shell; the foldable filter screen is arranged between the upper supporting plate and the lower supporting plate; and a filter layer of the filter screen is telescopic. When the filter layer is compressed by the upper supporting plate under pressure, the pore diameter of the filter layer is reduced and the density is increased, so that the filtration precision can be improved. Under the condition of reverse blowing from the air outlet pipe, the air pressure drives the upper supporting plate to restore to the original state; the filter screen is stretched; the filter layer of the filter screen is loosened; and the density of the filter layer is reduced, so that air can easily remove dust on the outer surface of the filter screen, thereby the filter is convenient to use.

The invention discloses a cosmetic cabinet with a sorting function. The cosmetic cabinet comprises a strip-shaped cosmetic cabinet body, a movable mechanism is arranged on the lower surface of the strip-shaped cosmetic cabinet body, and a sorting mechanism is arranged on the upper surface of the strip-shaped cosmetic cabinet body; a movable observing mechanism is arranged on the upper surface of the strip-shaped cosmetic cabinet body and located on the right side of the sorting mechanism; a sundry collecting mechanism is arranged in the strip-shaped cosmetic cabinet body, and a fixing mechanism is arranged on the surface of the rear side of the strip-shaped cosmetic cabinet body. The cosmetic cabinet body has the advantages that the cosmetic cabinet is relatively convenient to operate, cosmetic products on the whole cosmetic cabinet can be conveniently sorted, the distance between the cosmetic cabinet and a mirror surface can be adjusted conveniently, observation is facilitated, and the cosmetic cabinet is multifunctional and good in practicability.

The invention discloses an electric connector and an assembly method thereof, and the electric connector comprises an insulating body, a first terminal, a second terminal and a metal housing, wherein the insulating body comprises a base and a tongue plate, a through hole is arranged on the tongue plate, a first terminal groove and a fixing groove are arranged on the upper surface of the tongue plate, and a second terminal groove is arranged on the lower surface of the tongue plate; the first terminal and the second terminal are correspondingly inserted in the first terminal groove and the second terminal groove respectively; the contact part of the second terminal penetrates through the through hole upwards from the lower surface of the tongue plate and is further embedded in the fixing groove; and the metal housing is wrapped outside the insulating body. Therefore, by inserting and arranging the first terminal and the second terminal on the insulating body and utilizing the contact part of the second terminal to penetrate through the through hole upwards from the lower surface of the tongue plate and be embedded in the fixing groove, the process steps can be saved, the assembly is ensured to be simple, work stations are less, the labor cost is reduced, the second terminal is ensured to be away from the first terminal, the short-circuit risk can be avoided, and the qualification rate of products can be greatly improved.

The invention relates to a preparation method of 1-amino-anthraquinone. The preparation method comprises the following steps: using anthraquinone as a raw material, generating 1-amino-anthraquinone by performing nitratlon reaction and reduction reaction in sequence, wherein a 1-amino-anthraquinone crude product obtained by nitratlon reaction is directly subjected to reduction reaction without purification, the content of the 1-amino-anthraquinone in the 1-amino-anthraquinone crude product is enabled to be 40wt%-50wt% by controlling the raw material feeding capacity and the nitration depth, and the total content of 1,5 and 1,8 binitro byproducts and the total content of 1,6 and 1,7 binitro byproducts are respectively lower than 0.5wt%; after the reduction reaction is ended, separating the 1-amino-anthraquinone crude product obtained by the reduction reaction through acid or the organic solvent, thereby obtaining 1-amino-anthraquinone fine product of which the content is more than 98wt% and anthraquinone of which the content is more than 98wt%, and recycling the anthraquinone of which the content is more than 98wt% as a raw material in next reaction. The preparation method of the 1-amino-anthraquinone is high in yield and free of solid waste residues, and is a true clean production process.

A biochemical processing apparatus includes a plurality of reaction areas of different types, a pipette for dispensing a liquid, a pipette chip removably attachable on the pipette, and pipette chip storage spaces each capable of holding the pipette chip. The pipette chip storage spaces are provided in the plurality of reaction areas.

The invention discloses a connecting ring of a filter support. The connecting ring comprises a connecting ring body, the connecting ring body comprises a fixing ring, a filter adjustment ring and a lens connecting ring, the fixing ring, the filter adjustment ring and the lens connecting ring are sequentially connected from top to bottom, an inner ring body of the fixing ring is connected with the filter adjustment ring, the fixing ring is used for being connected with the filter support, the filter adjustment ring is a ring body with the L-type cross section, a filter connecting end is arranged on an inner ring body at the lower end of the filter adjustment ring, an adjustment window is arranged in the end face of the periphery of the filter connecting end, one end of the lens connecting ring is a lens connecting end, and the other end of the lens connecting ring is connected with the filter adjustment ring. According to the connecting ring of the filter support, the fixing ring, the filter adjustment ring and the lens connecting ring are combined, installation is easily and rapidly achieved, a CPL or other filters can be directly installed on the filter adjustment ring, the angles of the CPL can be flexibly adjusted through the adjustment window, and the connecting ring is rapid and convenient to use.

The invention discloses a preparation method of traditional Chinese medicinal submicron powder for animals. The method comprises the following steps: 1, cleaning ; 2, slicing: cutting crisp and frangible traditional Chinese medicines into thick slices or long segments, and cutting solid or high-toughness traditional Chinese medicines into slices or short segments; 3, medicinal material division: dividing the above sliced medicinal materials into high temperature resistant traditional Chinese medicinal materials and traditional Chinese medicinal materials not resistant to high temperatures; 4, drying; 5, preliminary crushing: crushing the dried high temperature resistant traditional Chinese medicinal materials by adopting a hammer type crusher, and crushing the traditional Chinese medicinal materials not resistant to high temperatures by adopting an air-cooled universal crusher; and 6, micronization: adding the preliminarily-crushed traditional Chinese medicinal material particles into an ultrasonic airflow crusher, and further crushing to prepare the traditional Chinese medicinal submicron powder for animals. The method is in favor of reserving the bioactive components of the traditional Chinese medicines, and the prepared submicron powder for animals has the characteristics of high mixing uniformity, use convenience, high bioavailability and good palatability; and the method has the advantages of simple operation, low energy consumption, low emission, and low production cost, and is more suitable for the large scale production.

A moxa cone forming die comprises a gland and a base, wherein a plurality of forming hole grooves are formed in the base, centers of the forming hole grooves are located on the same straight line, cylindrical pressing buckles corresponding to the forming hole grooves are arranged on the gland, and the base is divided into a first base plate and a second base plate on the straight line of the forming hole grooves.According to the moxa cone forming die, the structure is simple, the operation is easy, the structure of a formed product is dense, the outer wall is plain and complete, the moxa cone is not easy to loose, the manufacturing process is convenient and rapid, the specifications of manufactured moxa cones are uniform, and standard requirements of moxa cone dosage can be met.

The invention discloses a Chinese mugwort acupoint plaster. The Chinese mugwort acupoint plaster comprises a self-heating power layer, a far-infrared cloth layer, a gel layer, a heat-proof non-woven fabric layer and a piece of centrifugal paper. On surface of the self-heating power layer is provided with a non-woven fabric, the other surface of the self-heating power layer is provided with an adhesive plaster, the far-infrared cloth layer is laminated on the upper end of the self-heating power layer, the gel layer is attached to the far-infrared cloth layer, the heat-proof non-woven fabric layer is arranged on the upper end of the gel layer, and the upper end of the heat-proof non-woven fabric layer is provided with the piece of centrifugal paper. The invention also discloses a preparation method and usage method of the Chinese mugwort acupoint plaster. The Chinese mugwort acupoint plaster is simple in structure and reasonable in design, the raw materials are wide in resource and low in proves, and the Chinese mugwort acupoint plaster is simple in preparation technology, and is convenient for large-scale industrial production. By means of heat generated by the self-heating power layer, pasty fluid on the gel layer can permeate onto the skin quickly, and therefore conventional moxibustion effect can be achieved, and the Chinese mugwort acupoint plaster can be operated simply and conveniently; and the Chinese mugwort acupoint plaster has hot compress effect and has good usage effect.

The invention discloses a tray. The tray comprises a tray body and inserts, wherein the tray body is provided with multiple columns of grooves which can stably contain panels, the grooves are arranged at intervals, the two sides of each groove are provided with protrusions, the intermediate region of each protrusion is provided with a coordination groove which communicates with the grooves, the coordination grooves in the two sides of each groove are oppositely arranged, the first end of each insert is arranged in the corresponding coordination groove in a clamped mode, the second end of each insert is arranged outside the corresponding coordination groove in a protruding mode and extends into the corresponding groove, and the width of the second end is smaller than or larger than that of the first end. The tray is simple in structure, packaging compatibility of the tray is achieved by means of different assembling manners of the inserts, complexity for controlling packing materials is effectively reduced, and meanwhile the packaging cost is reduced.

The invention relates to the technical field of hairbrushes, in particular to a hairbrush base plate with a dust collection function. The hairbrush base plate comprises a base plate body, the base plate body is of a hollow structure, a closed cavity is formed in the base body, through holes for installing bristle bundles are arrayed in one side face of the base plate body at intervals, a vent hole is formed in the other side face of the base plate body, and a suction fan is arranged on the side face of the vent hole and communicated with the vent hole; a handle is arranged on one side face, without a through hole, of the base plate body. The hairbrush base plate with the dust collection function can achieve the dust collection function by arranging the hollow cavity and the suction fan, and therefore the dust collection effect of the hairbrush is improved.

The invention discloses a mould for manufacturing a hydrogen fuel cell module used as a demonstration teaching aid. The mould comprises a lower mould plate (1) and an upper mould plate (2); a plurality of rectangular positioning grooves (11) are formed in the upper end surface of the lower mould plate (1); a plurality of rectangular positioning holes (21) opposite to the positioning grooves (11) in the lower mould plate (1) are formed in the upper mould plate (2); one side edge of the upper mould plate (2) is fixed with one side edge of the lower mould plate (1). An auxiliary mould and a new method for producing the cell module through the auxiliary mould are designed, the production time of the cell module is shortened, and the production efficiency of the cell module is improved.

A system for making a biochemical assay of each of plurality of provided specimens, comprising: a plurality of receptacles, a sensor for providing a resistance, a mechanism and a controller.

The invention discloses a method for manufacturing toothpicks through utilizing waste bamboos. The method comprises the following steps that firstly, materials are selected, specifically, the waste bamboos are selected and collected, and a cutting device is used to cut the intact parts of the waste bamboos down. According to the method for manufacturing the toothpicks through utilizing the waste bamboos, the waste bamboos are taken to manufacture the toothpicks, so that the waste resources are recycled for the second time, and the utilization rate of the resources is greatly improved; the methods of airing, washing and sterilizing are provided in the process so that impurities on the outer surfaces of the waste bamboos can be effectively removed, some bacteria inside the waste bamboos arekilled, and the utilization hygiene and the safety of the waste bamboos are ensured; and the procedure of bamboo fire adding exists in the process, bamboo fiber has the characteristics of being good in air permeability, instantaneous in water absorption, good in wear resistance, good in dyeing property and the like, and has the effects of natural antibacterial, anti-bacteria, mite removing, deodorization and anti-ultraviolet light, the preservation time of the toothpicks is greatly improved, the toothpicks can still maintain the structural strength of the toothpicks even after the toothpicks is preserved for a long time, and the cracked condition cannot be easy to occur.

The invention discloses a chromatographic bottle cleaning device, which comprises a chromatographic bottle holding part, wherein a plurality of slots used for placing chromatographic bottles in an inserting way are arranged on the chromatographic bottle holding part, and arc-shaped guiding parts are arranged at ports of the slots. According to the chromatographic bottle cleaning device disclosed by the invention, due to the arrangement of the chromatographic bottle holding part, the slots used for placing the chromatographic bottles on the chromatographic bottle holding part in an inserting way and the arc-shaped guiding parts at the ports of the slots, when being cleaned, a plurality of chromatographic bottles are placed on the chromatographic bottle holding part, and after the bottle holding part is shaken, the chromatographic bottles are guided into the slots along the guiding parts and then are cleaned with water in a centralized way, therefore the cleaning efficiency is high, andthe clean degree after cleaning is improved.

The invention discloses a fruit cleaning disk, which comprises a disk body; the fruit cleaning disk is characterized in that a stirring mechanism is arranged in the disk body, and a draining mechanismis arranged beneath the disk body. Through arranging the stirring mechanism, the stirring mechanism is pushed rotate in the cleaning disk by the water flowing pressure during the water filling process, thus water in the disk body forms a vortex, fruits in the disk body are brushed; after cleaning, unclean water is discharged through the draining mechanism, the manual fruit cleaning step is saved;fruits are immersed, the cleaning disk is convenient to drain, simple in structure, and convenient to use.

The invention discloses a roll paper balance display device. The device comprises: a support with roll paper arranged on the support in a sleeving manner; an obtaining unit which is arranged on the support and is used for obtaining the balance of the roll paper at the current moment; an acquisition unit for acquiring a vibration signal of the support; a detection unit for detecting whether a pressure signal borne by a pressure sensor is constant; a display unit which is connected with the obtaining unit and is used for displaying the balance of the roll paper at the current moment; and a control unit which is connected with the obtaining unit, the acquisition unit, the detection unit and the display unit separately and is used for controlling the work status of the acquisition unit and the detection unit according to the balance of the roll paper and controlling the display unit to display the balance of the roll paper at the current moment or a previous moment.

The invention belongs to the technical field of medical devices, and discloses a novel inferior vena cava filter system and an intelligent recovery system thereof. The system is provided with a pulling hook positioned at one end, the pulling hook is connected with a connecting strip, the connecting strip penetrates a filter, one end of the connecting strip extends out of the filter, the middle ofthe filter comprises a degradable section, and a compression spring is arranged between the filter and the connecting strip. According to the system, the middle of the filter is set into the degradable section, two ends of the filter are set into non-degradable sections, and the degradable section can be completely degraded after the filter is placed into an in-vivo blood vessel. The filter is changed into two separate filters after the degradable section is completely degraded, and the filter is contracted under the action of the spring and recovered by the pulling hook. The system is reasonable in structure, safe, firm, reliable in performance and convenient to operate and use and provided with an ideal recyclable vena cava filter.

The invention provides a resistive high-sensitivity flexible pressure sensor device comprising a first flexible film substrate, a pressure sensitive layer, a ring electrode layer and a second flexiblefilm substrate which are laminated, wherein the pressure sensitive layer is located between the first flexible film substrate and the ring electrode layer, the ring electrode layer is located betweenthe pressure sensitive layer and the second flexible film substrate, the ring electrode layer comprises a ring electrode and an electrode lead end, the ring electrode is connected to the electrode lead end, the first flexible film substrate and the second flexible film substrate are encapsulated by an adhesive material, the pressure sensitive layer comprises an outer ring pressure sensitive layerand an inner ring pressure sensitive layer on the same plane, the diameter of the outer ring pressure sensitive layer is greater than that of the inner ring pressure sensitive layer, and the surfaceresistance of the inner ring pressure sensitive layer is greater than that of the outer ring pressure sensitive layer. The resistive high-sensitivity flexible pressure sensor device has the beneficialeffects of having both high sensitivity and no mutation in the range output curve.

The invention discloses a sound-absorption and warm-keeping mouse pad which comprises a pad body and a cover body detachably connected with the pad body, wherein buttons are arranged on the peripheral sides of the cover body; clamp rings corresponding to the buttons on the cover body are arranged on the pad body; the cover body is arc-shaped and comprises a warm-keeping layer, a sound-absorption layer and a waterproof layer from inside to outside sequentially; a wrist rest is arranged at one fourth of the pad body; massage beads are arranged on the wrist rest; and one end of the wrist rest is opened, and a matched plug is arranged at the opening. According to the provided sound-absorption and warm-keeping mouse pad, the temperature of a human hand can be effectively maintained, the mouse pad can be used even in cold winter, sound made by a mouse in the night environment can be effectively reduced, and rest of others cannot be disturbed; and besides, an excellent message effect can be produced on the waist, so that the mouse pad is practical and convenient.

The invention relates to the technical field of power maintenance equipment, and provides an insulating rod. The insulating rod comprises at least two rod bodies connected together, and a connecting structure is arranged at each joint of the rod bodies. Each connecting structure comprises a connecting head arranged at the end of one rod body and a connecting base arranged at the end of another rod body, and the connecting head is inserted into the connecting base, wherein the connecting head is provided with a buckle, and the connecting base is provided with a buckle hole for fixing the buckle in a position corresponding to the buckle. The insulating rod of the invention can be quickly and correctly assembled and disassembled in brake operation, so that the efficiency of brake operation is improved, the time for brake operation is reduced significantly, and the labor intensity of workers is reduced effectively. Moreover, the insulating rod is simple in structure, firm in connection and convenient and quick in operation, and can effectively improve the work efficiency.

The invention discloses an automatic mold material taking device, which comprises an upper mold, a lower mold and a rotating arm, wherein the rotating arm comprises a support and a crossbeam, a rotating electric motor is arranged at the lower part of the support, a sucker is arranged at one end of the crossbeam, the other end of the crossbeam is connected with the support, the rotating arm is arranged between the upper mold and the lower mold, a starting switch is arranged at the front end of the lower mold, and the starting switch is connected with the rotating electric motor by a cable. By using the above manner, the automatic mold material taking device disclosed by the invention can improve the service life of the molds, is safe and reliable in work, and is simple and easy to operate.