36 results about "Nylon filter" patented technology

The utility model provides an environment-friendly waterproof structure, and relates to the field of building waterproof structures. Two rows of top bolts symmetrically penetrate through the outer eaves of the left side and the right side of the flexible plastic waterproof pad, the flexible plastic waterproof pad is fixed to a roof through the two rows of top bolts, and a plurality of rows of planting grooves are formed in the top end of the flexible plastic waterproof pad at equal intervals; the planting groove is of a rectangular structure, the interior of the planting groove is filled with soil, and green plants and flower plants for greening and environmental protection are planted in the soil; a soil sealing plate is embedded in an opening in the top end of the planting groove in a sealing and covering mode, the whole soil sealing plate is of a U-shaped structure, two L-shaped clamping plates are symmetrically and downwards welded to the top ends of a left side plate and a right side plate of the soil sealing plate, and two soil filtering assemblies can intercept and filter residual and mingled soil in overflowing water through nylon filtering wires evenly and densely distributed on the two soil filtering assemblies; the soil content in the rainwater is further reduced, and the probability that a roof drainage system is blocked and the water and soil loss of soil in the planting groove are further reduced.

The application discloses an amorphous metal organic framework film and a preparation method and application thereof. The metal organic framework film is prepared by the following method: carbon nanotubes are first deposited on a nylon filter film to obtain a carbon nanotube / nylon base, then a precursor solution for electrodepositing the metal organic framework film is prepared, and finally the amorphous metal organic framework film is prepared on the carbon nanotube / nylon base by an electrodeposition method. The application retains the local order of MOF materials, meanwhile, destroys the long-range order of the structure, and obtains a continuous and dense amorphous metal organic framework film. The film exhibits excellent performance in a hydrogen and methane separation test, and has a good application prospect.

The utility model provides a grading screen for breeding macrobrachium rosenbergii larvae, which comprises a base, an arch-shaped mounting frame is fixedly mounted at the top of the base, a grading screening mechanism for the macrobrachium rosenbergii larvae is arranged on the inner side of the arch-shaped mounting frame, a water collecting tank is fixedly mounted at the top of the base, and a collecting tank is arranged at the top of the water collecting tank. And the macrobrachium rosenbergii larva grading screening mechanism comprises three screening grooves which are vertically placed, nylon filter screens are fixedly installed at the bottoms of the screening grooves, inserting grooves are formed in the right sides of the screening grooves, baffles are arranged in the inserting grooves in a penetrating and inserting mode, and two circular connecting rings are fixedly installed on the inner side of an arch-shaped installation frame. The base is arranged to achieve installation of the water collecting tank, the water collecting tank is arranged to collect and discharge water, and the macrobrachium rosenbergii larva grading screening mechanism is arranged to achieve grading filtering of macrobrachium rosenbergii larva. Further, larvae of macrobrachium rosenbergii with different sizes are separated, so that the survival rate during subsequent culture can be increased.

This invention relates to a gas separation membrane for N2 / CH4 using a dual-selectivity mechanism and its preparation method. Chromium nitrate nonahydrate, an organic acid, acetylacetone, ethyl acetate, and acetone are mixed and dissolved to obtain a dark green solution. The dark green solution is poured into sufficient diethyl ether to precipitate the precipitate, which is then dried in a vacuum oven to obtain chromium cluster powder. An MXene colloidal solution is lyophilized to obtain MXene sheet material. Deionized water and chromium cluster powder are mixed to form solution A. The MXene sheet material is added to solution A to obtain mixture B. Mixture B is deposited onto nylon filter paper using vacuum filtration to form a gas separation membrane, which is then placed in a vacuum oven to activate the chromium clusters. A Cr-MXene gas separation membrane rich in Cr clusters between MXene sheets is prepared. The prepared membrane possesses both diffusion-selectivity and reaction-selectivity mechanisms, enabling efficient separation of the N2 / CH4 system.

The utility model relates to the field of fuel cells, and discloses a novel hydrogen fuel cell deionizer which comprises a barrel, end covers are arranged at two ends of the barrel, mixed bed resin is filled in a cavity of the barrel, a liquid inlet and a liquid outlet are respectively arranged on the two end covers, a composite nylon filter screen is arranged in each end cover, and the composite nylon filter screen is provided with a double-layer filter screen structure. The inner side filter screen is high in strength and small in mesh number, the outer side filter screen is low in strength and large in mesh number, a liquid inlet cavity, a transition cavity and a discharge cavity are sequentially formed in the end cover, the cavity bodies of the liquid inlet cavity, the transition cavity and the discharge cavity are sequentially enlarged, the liquid inlet cavity is formed in the liquid inlet / liquid outlet, the discharge cavity is communicated with the cavity of the barrel, and the composite nylon filter screen is arranged in the discharge cavity. According to the deionizer, brand new flow channel design is adopted, flow resistance and exchange capacity are balanced, meanwhile, the composite nylon filter screen without ion precipitation is adopted, the service life of the deionizer is further prolonged, and long-term stable work in a high-temperature environment is guaranteed.

The utility model provides a chromatographic device. The chromatographic device comprises a chromatographic column and a receiving bottle, the number of sections of the chromatographic column is at least two; every two sections of the chromatographic column are fixed by a three-section hoop; a filter membrane is arranged between the receiving head of the receiving bottle and the chromatographic column; the filter membrane comprises a nylon filter membrane with the pore diameter of 0.1-1 mu m, a PTFE filter membrane with the pore diameter of 0.1-1 mu m or a UPE filter membrane with the pore diameter of 0.1-1 mu m. According to the utility model, the filter membrane is arranged between the receiving head of the receiving bottle and the chromatographic column, so that mechanical impurities and organic polymers in a mixture to be separated can be well removed, and the impurities are prevented from polluting a target object; the chromatography device can be used for positive-pressure column chromatography, negative-pressure column chromatography or normal-pressure column chromatography, is wide in application range and has wide-range popularization and application prospects.

The utility model relates to the technical field of seawater sampling, in particular to a surface seawater sampler which comprises a floating platform frame body, a wind-up roller is fixedly mounted on the floating platform frame body, a rope is mounted on the wind-up roller, a filtering and sampling structure is arranged on the rope, and the floating platform frame body is fixedly connected with the wind-up roller. The filtering and sampling structure comprises a cover body fixedly mounted at one end of the rope, a barrel is arranged below the cover body, a suction pump is fixedly mounted at the top of the cover body, a fixing frame is fixedly mounted on the suction pump, a filtering frame is arranged on the fixing frame, and a sampling device is arranged on the filtering frame. A glass fiber filter membrane, a polycarbonate filter membrane and a nylon filter membrane are sequentially arranged in the filter frame from top to bottom. Through the arrangement of the filtering and sampling structure, floating objects and plankton can be intercepted and filtered in the process of sampling surface seawater, and the floating objects and plankton are prevented from causing blockage and affecting the quality of seawater detection after filtration.

The utility model provides a bubble cleaning machine capable of filtering circulating water, which relates to the technical field of bubble cleaning machines and comprises a support frame, a cleaning pool is fixedly mounted on the surface of the support frame, a conveying mesh belt is fixedly mounted on the surface of the cleaning pool, and a water sprayer is fixedly mounted on the surface of the conveying mesh belt. Large impurities can be effectively intercepted through the arranged filter basket and prevented from entering the filter box, the burden of a subsequent filter layer is relieved, fine sand and mud particles can be further removed through the arranged nylon filter layer, and primary purification of water is ensured; through the arrangement of the motor and the stirring rod, the non-woven fabric filter bag can rotate in the filter box, a dynamic filtering effect is formed, impurities are effectively intercepted and gathered by the non-woven fabric filter bag, concentrated cleaning is facilitated, and finally through the deep purification effect of the activated carbon filter frame, the water quality is further improved, and the water recycling period is prolonged.

The application discloses a spice extraction device, which comprises a support frame, a hydraulic cylinder, a pressing disc, an upper hanging column, an upper through hole, a liquid storage barrel, a support seat, a guide pipe, a support basket, a guide hole, a support ring and a filtering part. The support frame is welded by steel plates. An upright hydraulic cylinder is fixed to the upper end of the support frame. The piston rod of the hydraulic cylinder penetrates the upper end of the support frame, and a horizontal pressing disc is fixed to the bottom end of the hydraulic cylinder. The application adopts a hydraulic driving mode. Compared with a traditional air pressure driving mode, the application can apply greater extrusion force to raw materials during the pressing process. The application is matched with a nylon filter screen which can stir the raw materials. The utilization rate of the raw materials is greatly improved, unnecessary waste is avoided, the nylon filter screen and the support frame which are convenient to assemble and disassemble are used, the feeding and discharging of the raw materials during the pressing process are more convenient and fast, the production efficiency is improved, and the troubles caused by cleaning filter residues are reduced.

The utility model discloses a simple breeding container for root mites, which comprises an outer container and an inner container, an isolation belt is arranged between the outer container and the inner container, the outer container comprises an outer container body and an outer container cover, a first magnet is arranged on the outer container body, and a nylon filter layer is arranged on the outer container cover; the inner container comprises an inner container body and an inner container base, and a second magnet is arranged on the inner container base. According to the feeding device for the root mites, the root mites are placed in the outer container, sealed by the outer container cover and then placed in the isolation belt in the inner container, and the root mites can be prevented from climbing out of the outer container under the action of the nylon filter layer on the outer container cover and the second magnet on the base of the inner container. Meanwhile, observation is facilitated, and therefore rapid observation and counting of the root mites are achieved.

The utility model relates to the technical field of pectin extraction, in particular to a reaction kettle for efficiently extracting pectin, which comprises a shell, a controller and a reaction kettle body, the controller is fixedly mounted at the front end of the outer wall of the shell, and a pectin conveying control structure is arranged at the lower end of the reaction kettle body. A pectin discharging and efficient filtering extraction structure is arranged at the lower end of one side of the shell. According to the reaction kettle for efficiently extracting the pectin, a prepared hot pectin product is poured above the hung nylon filter cloth through the drainage pipe, so that the gravity for discharging the pectin can press the nylon filter cloth downwards to be in an inverted arch shape, impurities can be left above the nylon filter cloth, downward pressure is applied to the pectin product through the air cylinder, and the pectin filtering process is accelerated; the mechanical device accelerates pectin filtration without direct contact of hands with high-temperature pectin, and mechanical driving force can more quickly promote the pectin to complete a filtration process, so that the pectin extraction efficiency of the reaction kettle for efficiently extracting pectin is improved.

The utility model discloses compact water curtain fresh air equipment, which is applied to the field of fresh air equipment and comprises a shell, a frame is bolted between the inner walls of the shell, evaporation wet films are sequentially bolted between the inner walls of the frame from inside to outside, a fan is fixedly sleeved on the top of the shell, and a water tank is bolted between the frame and the inner walls of the shell. The V-shaped compact layout design is adopted, the two side plates are arranged in a mutually inclined mode, compared with a traditional vertical columnar layout, the occupied area of equipment is greatly reduced, installation requirements of places such as machine rooms with limited spaces can be met, meanwhile, the heat exchange area is increased, the sliding rods drive the trapezoidal grooves to move by pressing the pressing blocks, and the heat exchange efficiency is improved. During maintenance, the trapezoidal grooves move to enable the steel balls to be separated from the fixing grooves, the fixing pins are taken down, and then the outer frame, the nylon filter screen, the primary filter screen and the intermediate filter screen are sequentially taken out for maintenance, so that the maintenance amount is reduced, and the maintenance efficiency is improved.

The utility model discloses an elevator air conditioner of an air purification device, which belongs to the technical field of elevator air conditioners and comprises an elevator air conditioner box body, a chassis is mounted at the bottom of the elevator air conditioner box body, and a condenser is mounted on one side of the top of the chassis. According to the utility model, the panel on the air purification assembly is arranged on one side of the elevator air conditioner box body, and a nylon filter, an activated carbon filter and an anion filter are arranged in the panel; the first-stage nylon filter adopts the characteristic treatment of dust filtration, paint mist adhesion, deodorization, harmful gas adsorption, noise reduction, water filtration, oil smoke filtration in a high-temperature environment and the like, and the second-stage activated carbon filter not only can improve the air quality and prevent pollution, but also has higher cost performance and wide applicability, and is suitable for popularization and application. And the third-stage anion filter has a relatively strong bactericidal effect and can inhibit bacteria, fungi and viruses, so that the air in the elevator is effectively purified.

The utility model relates to the technical field of environmental protection, and particularly discloses a white mud dehydration device. Comprising a machine shell and an extrusion dewatering mechanism arranged in the machine shell. The machine shell is supported through the machine frame. The extrusion dewatering mechanism comprises a charging barrel and a rotating shaft arranged in the charging barrel, and the rotating shaft is provided with a spiral body of which the outer diameter is gradually increased from one end to the other end; a material circulation cavity is formed between the spiral body and the interior of the charging barrel; a discharge port is formed in one end, connected with the charging barrel, of the shell, and a feed port is formed in the top of the other end of the charging barrel; a plurality of water leakage holes are formed in a machine body of the charging barrel; nylon filter cloth is also arranged in the charging barrel; the extrusion dewatering mechanism is driven by a driving device arranged on the rack and realizes extrusion dewatering operation; and the outer diameter of the spiral body is gradually increased from the direction of the discharge port to the direction of the feed port. Through the arrangement, the operation efficiency of the equipment is improved, the maintenance cost is reduced, and the whole production process is smoother and more efficient.

The invention discloses a method for correcting a densimeter method by using a nylon filter cloth wet screen analysis method, and relates to the technical field of particle analysis in soil mass engineering properties. And for the fine-particle soil body with the particle size smaller than 0.075 mm, based on the particle size division standard of the wet screen analysis method, synchronous adjustment of the particle size of the densimeter method is achieved by adopting an interpolation method, and verification is conducted. The principle is clear, the calculation process is completely programmed, more accurate gradation is obtained, the repeatability is high, the stability is high, and the reliability is high; the defects of time consumption, labor consumption, high cost and the like caused by comprehensive popularization of a wet screen analysis method are avoided, the advantages of simplicity and convenience in operation and good continuity of a densimeter method are reserved, and meanwhile, the precision of fine-grained soil particle analysis is improved; densimeter method system errors caused by Stokes law hypothesis, temperature influence, reading errors and other factors are effectively optimized, so that the finally obtained grain composition curve is closer to the real distribution of soil samples, and the problem of low data accuracy of the densimeter method, which puzzles engineering practice for a long time, is solved.

The invention discloses a modular structure for a deep foundation pit recharge well and a construction method, and relates to the technical field of building construction, the modular structure comprises a bottom inverted filter cylinder, a standardized well casing, a prefabricated filter unit and a top cover plate, all the parts are modular structures prefabricated in a factory, and the complete recharge well is assembled in a detachable connection mode; the bottom inverted filter cylinder is filled with a graded broken stone inverted filter layer, the prefabricated filter unit comprises a steel reinforcement cage and a nylon filter screen wrapping the steel reinforcement cage, and plum blossom-shaped open holes are formed in the bottom and the side wall of the standardized well casing. Modular design and factory prefabrication production are adopted, all parts are uniform in specification and good in adaptability, rapid splicing is achieved on site in an internal and external thread screwing mode, the tedious on-site machining and step-by-step feeding procedures of a traditional recharge well are greatly simplified, intensive manual operation is reduced, the construction period is shortened, and the construction efficiency is improved. And efficient construction requirements of modern engineering are met.

The utility model discloses a nylon filter bag and relates to the technical field of nylon filter bags. The nylon filter bag comprises a filtering and cleaning outer barrel, a nylon filter bag body and a cleaning device, the nylon filter bag body is fixedly installed outside the filtering and cleaning outer barrel, the cleaning device is fixedly connected with the filtering and cleaning outer barrel, and a uniform stirring and filtering assembly is fixedly installed outside the nylon filter bag body. The nylon filter bag can be used for uniformly filtering and improving the filtering efficiency through rotation of a stirring baffle during filtering, a filter bag cleaning assembly is arranged, the interior of a filtering and cleaning outer barrel is sealed, clear water is guided out of a water outlet hole from a first embedded sliding block, and a nylon filter bag body can be washed; clear water is guided out of the water outlet hole from the first embedded sliding block through the flushing assembly for flushing, solid particles and impurities on the filter bag can be effectively removed, and the original filtering effect of the filter bag is recovered.

This invention provides an electrochromic material, its preparation method, and its application. The structural formula of the electrochromic material is shown below: AR1 is a group represented by R1 or R3; AR2 is a group represented by R2 or R6; AR3 is selected from any one of R3, R4, and R5; AR4 is a group represented by R2; n is the degree of polymerization, and n is 4–35. This invention uses an arylation polycondensation process to prepare four high-performance solution-processable electrochromic materials: TTP, TEP, TPP, and PBP3P. Using these electrochromic materials as raw materials, high-performance patterned electrochromic camouflage devices are prepared using mask spraying. Nylon filter membranes with different pore sizes are introduced into the device structure to adjust the device's transmittance and achieve better camouflage effects.

The utility model relates to the technical field of filter tanks, and discloses a filter tank for filtering steam condensate water, which comprises a filter tank body, a settling zone, a filter zone and an adsorption zone. According to the filter tank for filtering steam condensate water, the stepped baffle plate arranged in the filter tank body is matched with the flow guide groove, three-stage sedimentation of scale particles is achieved, the sedimentation effect is improved, the linkage design of the conveying auger and the guide table achieves the effect of conveniently discharging scale, and the filter tank is convenient to use. The micro submersible pump conveys clear water on the upper layer of the settling area to the filtering area through the liquid conveying pipe, sediment disturbance is avoided, the particle removal rate is improved by combining double-layer interception of the stainless steel punched plate and the nylon filter cloth, and when water submerges the nylon filter cloth and is higher than the overflow plate, the water naturally flows into the adsorption area to be subjected to adsorption treatment, and the water quality is improved. The adsorption area is composed of a coarse-hole activated carbon layer, an ion exchange resin layer and a quartz sand layer, organic matter, metal ions and particles are synchronously removed, and the hardness of discharged water is reduced.

The invention relates to the field of mold manufacturing, and discloses a mold for seawater purification filter screen production, the mold comprises an upper mold base and a lower mold base, the upper end of the lower mold base is fixedly connected with a guide column for the upper mold base to slide, the upper end of the lower mold base is fixedly connected with a mold table, the lower end of the upper mold base is provided with a mold cavity, and the inner wall of the mold cavity is provided with a mold channel; an injection molding auxiliary assembly used for reducing the wrinkling probability of the nylon filter screen during injection molding and facilitating rapid sleeving and demolding treatment of the nylon filter screen is arranged in the lower mold base. The injection molding auxiliary assembly comprises an opening formed in the surface of the mold table, a silicon rubber bag is fixedly connected into the mold table, a water inlet pipe is fixedly connected into the lower mold base, and a drainage valve is fixedly connected to the upper portion of the lower mold base. The nylon filter screen can be supported from the inner side after the silicone rubber bag body is expanded, so that the nylon filter screen is in a tight state, and the situation that after injection molding, wrinkles appear between the nylon filter screen and an injection molding part, and consequently adhesion is not firm is avoided.

The utility model discloses a cell sieve device for extracting capillary components in adipose tissue, and belongs to the technical field of cells. The device comprises: a housing comprising a cylindrical outer shell; a sample inlet is formed in the top of the shell, a sample outlet is formed in the bottom of the shell, and a sample recovery port and a plugging port are formed in the side wall of the shell; the filtering device comprises a circular-ring-shaped filtering frame; a filter screen is mounted in the filter frame, and the filter frame is detachably inserted into the insertion port, so that the filter screen is mounted in the shell. According to the capillary screening device, efficient screening is achieved, the filter screen which is accurately controlled is adopted, different hole diameters can be selected according to requirements, it is ensured that capillary components in a specific size range are efficiently screened out, and the requirements of different experiments are met. The stainless steel shell and the replaceable nylon filter screen are adopted, the durability is high, repeated use is supported, and the experiment cost and resource waste are reduced.

The utility model relates to a disposable draining basket technical field discloses a diameter variable disposable draining basket, including the upper male buckle ring, the top fixed connection of upper male buckle ring has the upper female buckle ring, the one side fixed connection of upper female buckle ring has the rotation structure, the one side fixed connection of upper male buckle ring has the upper buckle pole, the one side of upper male buckle ring is equipped with the sliding slot, the one side mounting of upper male buckle ring has the filter screen, the one side fixed connection of filter screen has the filter piece, the one side mounting of filter screen has the lower male buckle ring, the one side fixed connection of lower male buckle ring has the lower buckle pole, the bottom fixed connection of lower male buckle ring has the lower female buckle ring, the bottom fixed connection of lower female buckle ring has the push structure, in the utility model, through putting the upper male buckle ring and lower male buckle ring in the nylon filter screen of one both ends opening in the middle, the endpoint of one head of filter screen passes through lower male buckle ring, and the endpoint of the other end is overlapped, and the filter piece of overlapping part is connected heat sealing.

The utility model discloses a sheep slaughtering and processing device which comprises a cleaning table, mounting columns are mounted on the periphery of the bottom of the cleaning table, a supporting plate is mounted at the bottoms of the inner sides of the mounting columns, a filtering box is mounted at the top of the supporting plate, and water guide pipes are communicated with the two sides of the top of the filtering box. The top of the water guide pipe penetrates through an inner cavity of the cleaning table. The cleaning device has the advantages that waste water generated during cleaning enters the cleaning table through the filter screen opening, the waste water is conveyed into the filter box through the water guide pipe in the cleaning table, and the waste water is filtered through the high-density stainless steel filter screen plate and the nylon filter screen plate on the two sides of the inner cavity of the filter box; according to the sewage treatment device, impurities such as suspended solids and particulate matters in the sewage can be effectively intercepted, and the nylon filter screen plate can effectively remove the impurities such as suspended solids and particulate matters in the sewage due to high wear resistance, corrosion resistance and good filtering performance, so that the clarity of effluent water is ensured.

The present invention discloses a monolithic membrane-based flexible supercapacitor and its preparation method and application. The supercapacitor uses a nylon filter membrane as a diaphragm and an electrolyte storage layer, a sodium carboxymethyl cellulose / phytic acid / polyaniline membrane formed by drip coating as the positive and negative electrodes, and triammonium dihydrogen disulfate as the electrolyte. The present invention designs a sodium carboxymethyl cellulose / phytic acid / polyaniline ink having both electrode active ingredients and electrolyte active ingredients, and prepares a monolithic membrane-based flexible supercapacitor by a double-sided drip coating method in which the ink is dripped onto both sides of a nylon filter membrane. The monolithic membrane-based flexible supercapacitor prepared by the present invention has the advantages of being ultra-light, ultra-thin, having high specific capacitance, being able to withstand mechanical bending, and being able to be arbitrarily patterned. It has broad prospects in the field of flexible portable electronic devices as a flexible energy storage device.

Method for the production of extracellular vesicles derived from plant raw material (PDEVs) obtained from biological agriculture, comprising the following steps: a. inspecting visually the plant raw material; b. transferring the plant raw material into plastic food containers and store it for short periods in the refrigerator at a temperature of +4°C, c. washing the plant raw material, d. carrying out an initial processing of the plant raw material for extraction, e. extracting the first semi-finished product using automatic extractors, f. storing the first semi-finished product in plastic bottles, g. storing the first semi-finished product in the refrigerator, h. carrying out an initial filtration step of the first semi-finished product in a filter with a mesh size between 0.2 mm and 1 mm, i. storing the filtered product not immediately used for a short period in the refrigerator at a temperature of +4°C, l. performing an initial centrifugation of the filtered product in centrifuge bottles at a speed of 2,000 x g for 30 minutes, m. filtering the supernatant with a nylon filter with a mesh size of up to 100 µm to obtain a mixture of extracellular vesicles and discarding the pellet, n. storing the mixture of extracellular vesicles in a refrigerator for a short time at a temperature of +4°C in plastic or borosilicate glass bottles, o. adding to the mixture of extracellular vesicles a quantity of maltodextrin between 4% and 35% by weight, p. drying the mixture of extracellular vesicles by atomization, q. collecting and storing the powdered product at room temperature in amber borosilicate glass containers.

The invention discloses a mining plugging gas wall with gas adsorption and rapid gas leakage functions, and belongs to the technical field of mine gas disaster prevention and control. Comprising a gas wall body, a gas adsorption device and a quick tightening mechanism. The gas adsorption device is arranged on the side, facing the coal mine working face corner, of the gas wall body and structurally comprises a water removal layer, a dust removal layer, a drying layer and an adsorption layer in sequence from outside to inside. The water removal layer is a stainless steel vapor-gas-liquid filter screen, the dust removal layer is a nylon filter screen, the drying layer is an allochroic silicagel drying agent, and a novel gas adsorption material is filled in the adsorption layer and is used for efficiently adsorbing gas; and the quick tightening mechanism is arranged on the other side of the air wall body and comprises a large-diameter air inflation hole, a plurality of small-diameter air leakage holes which are uniformly distributed and a set of knot mechanism connected by a Peru knot, and the air wall liner can be quickly tightened by pulling the knot, so that quick air leakage is realized.

Disclosed herein is a filter fused guider device (100) for the application of liquid- based cytology device for PAP smear preparation in automated instrument The guider device (100) comprising an outer body (102). The guider device (100) also comprising a nylon filter mesh (104) fitted inside the outer body (102) and the nylon filter mesh (104) allowing separation and capturing of the particles / cells of the sample. The guider device (100) also comprising a rubber seal (106) fitted over the nylon filter mesh (104) and the outer body (102) and the rubber seal (106) capable of fixing the nylon filter mesh (104) to the outer body (102).

The utility model discloses a kind of dissolving liquid filtering devices for gold refining, it is related to gold refining technical field, including shell, metal filter screen and nylon filter screen;Shell: inside fixed with collecting vessel, the bottom surface of the collecting vessel is fixed with liquid outlet pipe, the outside of the liquid outlet pipe is equipped with intelligent solenoid valve, the rear side of the shell inside is sequentially provided with first filter frame and second filter frame from top to bottom, the metal filter screen passes through the through slot of shell top surface and the inside of first filter frame corresponding plug-in, the nylon filter screen passes through the through slot of shell top surface and the inside of second filter frame corresponding plug-in, the dissolving liquid filtering device for gold refining, by the double-stage filtration of metal filter screen and nylon filter screen to improve filtering precision and efficiency, while motor-driven scraper and electromagnetic adsorption can efficiently remove filter screen impurities and classify waste recovery, reduce manual intervention and downtime, make device applicable to high-purity gold refining process.

This invention discloses a "tea bag" type instant Trichoderma agent, its usage method, and application. It includes: an inner packaging, which is a nylon filter bag with a porosity of 50-70 mesh and dimensions of 7cm×7cm to 9cm×9cm; an outer packaging, which is a heat-sealed tea filter paper bag with dimensions of 11cm×11cm to 13cm×13cm; and Trichoderma bio-organic fertilizer filled in the inner packaging, with a filling amount of 25-35g and a Trichoderma spore content ≥1×10⁻⁶. 8 cfu / g. The Trichoderma spore liquid prepared by this invention has a significant effect on promoting growth and increasing yield of cucumbers. The product size and fertilizer content can be changed according to specific conditions, and it can be applied as a fertilizer to adapt to diverse modern agricultural production methods.