26results about How to "Simple filter" patented technology

The invention discloses a preparation method of a low-viscosity chitosan solution and a high-strength chitosan fiber thereof, chitosan molecules are dissolved and hydrated shells of the chitosan molecules are reduced under the combined action of weak acid and low alcohol, and meanwhile, the low alcohol plays a role in lubrication and dispersion, so that the viscosity of the chitosan solution is greatly reduced. The low-viscosity chitosan solution is squeezed into an organic solvent containing metal salt to be solidified into filaments, and then the high-strength chitosan fibers are obtained after drafting and drying. According to the method, the property of the chitosan solution is remarkably improved, high-speed spinning is facilitated, the requirement for efficient and clean production of the chitosan fibers is met, and the obtained chitosan fibers are high in mechanical performance, can be used for manufacturing filaments, yarns, fabrics and non-fabrics and are suitable for large-scale popularization.

The invention discloses a high-brightness wire rod lubricating and drawing device and method. The device comprises a machine body, and a sliding rail is installed on the inner wall of the machine body; the mounting plate is located at the top of the machine body and is in sliding connection with the sliding rail, a drawing device is further installed at the top of the mounting plate, and in the machining process, a wire rod penetrates through the drawing device to achieve drawing operation; a lubricating assembly is further mounted on the mounting plate and comprises a lubricating sleeve, a support is fixedly arranged at the bottom of the lubricating sleeve, and the support is mounted on the top end face of the mounting plate; through the design, in the lubricating process, the lubricating assembly can ensure that lubricating oil is uniformly and stably wrapped on the surface of the wire rod, so that the requirements of low friction and low energy consumption in the drawing process are met, the high surface smoothness of a finished wire rod product is ensured, the use amount of the lubricating oil is greatly reduced, the production cost is effectively reduced, and the production efficiency is improved. And meanwhile, after drawing is finished, residual lubricating oil can be simply filtered and recycled, and impurities and particles in the lubricating oil are removed.

The utility model relates to the technical field of modularized heat exchange units, and discloses a modularized heat exchange unit which comprises a frame assembly easy to assemble and carry, and a control cabinet assembly is arranged at the position, close to the edge of one side, of the top surface of the frame assembly easy to assemble and carry. The easy-to-assemble and carry frame assembly is reasonable in structure, and the supporting rods in the easy-to-assemble and carry frame assembly and the four corners of the top of the rectangular supporting frame are all provided with the splicing openings, so that the frame can be freely assembled and disassembled to be cut according to the height of an internal machine; a rotating motor is arranged on one side of the bottom plate B; a bottom plate B can move left and right at the top of the bottom plate A through a gear, a sliding rail and a sliding hole and a pulley at the bottom; during disassembly and assembly, the bottom plate B can be firstly slid out, then the bottoms of some machines needing to be used are connected with some connecting pieces, and then the machines can be firmly clamped on the surface and are not prone to shaking through the design of shutter grooves of the bottom plate B; and finally, the buckling rods can also be matched with a crane to buckle four lifting ropes on the four buckling rods for carrying.

The invention discloses an industrial preparation method of nano yttrium oxide for electronic ceramics, belonging to the field of rare earth hydrometallurgy technology. The invention first dissolves yttrium oxide in nitric acid to remove anionic impurities in yttrium oxide, then removes impurities through (NH4)2S solution to obtain a high-purity yttrium nitrate solution, then precipitates yttrium carbonate crystals through ammonia water and ammonium bicarbonate solution, and finally calcines and decomposes to obtain nano yttrium oxide for electronic ceramics. The yttrium oxide obtained by the invention is nano-sized, has a high specific surface area, and is easy to disperse. It is suitable for the electronic ceramic industry, especially for industrial production, and has broad application prospects.

The utility model relates to the technical field of heat exchanger machining, in particular to a heat exchanger fin cleaning device which comprises a seat body, a seat cavity is formed in the bottom end of the seat body, a pump body is installed at the left lower end of the seat cavity, an inlet is formed in the middle of the right end of the seat body, and a water outlet is formed in the right end of the seat body. A penetrating channel is formed in the top end wall of the base body, a spraying hole is formed in the end wall, close to the penetrating channel, of the base body, a storage opening is formed in the middle of the upper end of the base body in a penetrating mode, a penetrating opening is formed in the right end of the base body in a penetrating mode, a water seepage hole is formed in the end wall of the middle of the base body, and a storage vessel is installed on the inner side of the storage opening. The vessel cavity opening is used for storing fins, the sliding seat forms a barrier, the fins are simply separated, the position of the sliding seat is controllable and adjustable, when the fins are blocked, the fins are more flexible and convenient to use, screws are tightened, the sliding seat with the position adjusted is locked and limited, and the vessel mesh holes are used for leaking water and simply filtering impurities and dirt in water.

The present invention discloses a distributed photovoltaic system with a self-cleaning function, which relates to the technical field of photovoltaic equipment, including a house, a photovoltaic panel is arranged on the top of the house, a fixed frame is arranged on the outside of the photovoltaic panel, a water tank is arranged on one side of the house, a sewage channel is fixed to the side wall of the house and arranged above the water tank, an electric cover is arranged on the top of the sewage channel, a drain is embedded near the center of the sewage channel, a first filter plate is arranged on the side wall of the drain, a drain pipe is arranged below the sewage channel and connected to the drain, an air outlet component is arranged below the sewage channel and fixed to the side wall of the house, a pumping component is arranged at one end of the house, a cleaning device is arranged on the side wall of the fixed frame, and the cleaning device includes a moving component arranged on the side wall of the fixed frame. The present invention can better clean the photovoltaic panel in the rainy season and the snowy season through the components arranged.

The present invention discloses a filtering treatment device and a treatment method for smoke dust treatment, and the present invention relates to the technical field of smoke dust filtration. By setting a primary, secondary and tertiary filter assembly, dust of different particle sizes in the smoke can be filtered step by step from large particle size to small particle size, so as to achieve the effect of multi-stage filtration of smoke dust. Compared with the traditional single-layer filter bag filtration method, the present invention enables the dust in the smoke to be fully filtered; the primary, secondary and tertiary filter assemblies can continuously clean the surface of the filter bag passing through the dust cleaning assembly while rotating, so as to achieve the effect of self-cleaning by using the power of smoke dust. When the dust cleaning assembly cleans the primary, secondary or tertiary filter assembly, the primary, secondary and tertiary filter assemblies can still be in normal working state, and the smoke filtration process will not be interrupted, thereby ensuring the continuity of the smoke filtration process, and can also protect the filter bag to the greatest extent, and extend the service life of the filter bag.

The invention relates to the technical field of copper powder preparation, and provides a preparation method of liquid-phase in-situ self-assembly nano-shell-coated micron-core composite copper powder, a specific inducer is introduced into a liquid-phase reduction system, copper sulfate is adopted as a copper salt, and sodium hypophosphite or VC is adopted as a reducing agent, so that one-time forming of a micron-core-nano-shell composite structure is realized; the problems of non-uniform particle size distribution, high energy consumption, low yield and the like in a traditional copper powder preparation method are effectively solved; according to the prepared composite copper powder, the low-temperature sintering driving force brought by the nanometer shell layer is obtained while the process-friendly characteristics of being easy to filter, easy to wash, easy to dry and the like of micron powder are reserved, the initial sintering temperature can be reduced to about 150 DEG C, and the machining performance of the copper powder under the low-temperature condition is remarkably improved.

The invention discloses cation modified nano graphene oxide and a preparation method thereof, the transverse size of the cation modified nano graphene oxide is 10-100 nm, the surface of the cation modified nano graphene oxide is non-covalently bound with organic quaternary ammonium salt cations through electrostatic interaction, and the organic quaternary ammonium salt cations are provided by a cationic surfactant. According to the invention, electrostatic interaction is combined with a quaternary ammonium salt cationic surfactant, and a hydrophobic long alkyl chain of the quaternary ammonium salt cationic surfactant is exposed outwards, so that the product can be stably dispersed in various organic solvents such as methanol, ethanol, acetone, ethyl acetate, N-methyl pyrrolidone (NMP), N, N-dimethylformamide (DMF), dichloromethane and the like; the limitation that traditional nano graphene oxide is only limited to a water phase is avoided, and the compatibility and application potential in the fields of polymer composite materials, oil paint, high-performance resin and the like are improved.

The invention discloses a multi-source wake-up low-power-consumption standby control circuit and a household storage system, the multi-source wake-up low-power-consumption standby control circuit comprises a low-power-consumption standby circuit, the input end of the low-power-consumption standby circuit is connected with a battery module, a wake-up module and an MCU module, and the output end of the low-power-consumption standby circuit is connected with a power conversion module. According to the invention, the system can cover the whole scene for multi-source wakeup, can achieve ultra-low power consumption standby, is high in electrical isolation reliability, and guarantees the working capability stability and recoverability of a household storage system under severe conditions.

The utility model relates to lithium sink mother liquor recycling technical field, specifically disclose a lithium sink mother liquor recycling system, including the lithium sink mother liquor storage tank, neutralization device, filtering equipment, evaporator and centrifugal device connected in proper order through pipeline, the solid phase recovery device is connected to the solid phase outlet of centrifugal device, and the liquid phase recovery device is connected to the liquid phase outlet of centrifugal device, and the neutralization device includes neutralization jar, and the top of neutralization jar is provided with primary lithium sink mother liquor feeding port and sulfuric acid feeding port, and the sulfuric acid feeding port is connected with sulfuric acid storage tank through sulfuric acid pump, and the bottom of primary lithium sink mother liquor feeding port is connected with first spiral dispersion feeding pipe, and the bottom of sulfuric acid feeding port is connected with second spiral dispersion feeding pipe, and the pH monitor is arranged in neutralization jar, and the outside of neutralization jar is provided with temperature control jacket, and the circulating cooling water is circulated in temperature control jacket. The system can reduce the addition of auxiliary materials, reduce energy consumption, improve the resource utilization rate and economic benefit of lithium carbonate production.

The present invention relates to the technical field of river channel management, and specifically to a sludge discharge device for river channel environment management, comprising a support frame, a feed component is fixedly connected to the upper surface of the support frame, a drying component is rotatably connected to the inside of the feed component, a processing component is fixedly connected to the right side of the support frame, and a support frame is fixedly connected to the inner side of the support frame and below the feed component. By setting an extrusion belt, the water content inside the sludge can be further separated before discharge, so that the sludge can be more convenient for the next step of treatment, and the energy consumption of treating excess water during the treatment process can be reduced. By setting a transition piece, the sludge can be turned over after one extrusion during the extrusion process and the agglomerated sludge can be dispersed, so that some water contained in the sludge that cannot be separated in time can be released.

The sterile henhouse for laying hen breeding comprises a henhouse body and a supporting net installed at the lower middle end in the henhouse body and used for containing objects, the top end of the henhouse body is fixedly connected with a henhouse roof, and the lower right end of the henhouse body is connected with blow-off pipes through bolts at equal intervals; a cross beam is fixedly connected to the upper middle end of the interior of the henhouse body, a supporting pipe is rotationally connected to the middle position of the cross beam, and a liquid storage box is connected to the bottom end of the supporting pipe through a bolt; a water tank is placed on the lower left side of the henhouse body, a first connecting pipe is placed in the water tank, the upper end of the first connecting pipe is in bolted connection with a water pump, and the upper end of the water pump is in bolted connection with a second connecting pipe; and a detachable filtering assembly is placed on the right side of the blow-off pipe. According to the sterile chicken house for laying hen breeding, excrement can be conveniently and fully cleaned, disinfectant fluid can be conveniently and evenly dispersed in a room, and meanwhile waste water can be easily filtered.

The utility model belongs to the technical field of powder filling bags, and relates to a ton bag for powder, which comprises a bag body and a sling. A hanging belt is arranged on the bag body; comprising a bag body cover, a feeding cylinder set, a dust removal assembly and a discharging cylinder set. A bag body cover is installed on the upper portion of the bag body, and a feeding cylinder set and a dust removal assembly are installed on the bag body cover. The feeding cylinder group is communicated with the inner cavity of the bag body; a discharging barrel set is installed on the lower portion of the bag body and communicated with an inner cavity of the bag body. By arranging the bag body cover and the dust removal assembly, when powder filling needs to be carried out, the feeding cylinder set serves as a unique feeding port, dust pollution caused by flying of a large amount of dust during powder filling is prevented, accumulated air in the bag body is conveniently discharged through the arrangement of the dust removal assembly, and meanwhile diffusion pollution of the dust is prevented; and the discharging barrel set serves as a unique discharging port, and dust diffusion pollution is prevented during discharging.

The application relates to the technical field of fine chemical production, and particularly discloses a crystallization process of short-rod-shaped ivermectin, which comprises the following steps: dissolving ivermectin crude product in a crystallization solvent, heating to 50-55 DEG C, adding a crystallization agent, uniformly mixing, then cooling to 35-40 DEG C at a rate of 0.1-0.3 DEG C / min, adding ivermectin crystal seeds, continuously cooling to 5-15 DEG C, and incubating and crystallizing to obtain ivermectin products. The crystallization process of ivermectin provided by the application realizes effective control of the particle size and crystal habit of ivermectin products in the crystallization process by adopting a combination strategy of selecting a specific crystallization solvent, adding a crystallization agent and crystal seeds at specific stages, controlling the cooling rate and the incubation time, obtaining short-rod-shaped ivermectin products with uniform particle size distribution, and the products have good fluidity, are convenient for subsequent preparation application, do not need repeated crystallization for multiple times, effectively reduce the cost of the crystallization process, and have extremely high practical application value.

The invention provides a preparation method of an aluminum fluoride crystal, the method optimizes a neutralization reaction, improves the filtering performance of silicon dioxide and reduces the loss of mother liquor, a constant-temperature crystallization method of adding a seed crystal is adopted in the crystallization process, and by optimizing the crystallization temperature, the seed crystal addition amount and the seed crystal particle size, the crystallization yield is improved. The problem that aluminum fluoride crystals scale on the wall of a crystallizer in the process at the present stage is solved, ellipsoidal aluminum fluoride particles with the uniform particle size and the particle size larger than 100 microns are obtained, the aluminum fluoride crystallization process technology is improved, the production capacity of the aluminum fluoride crystals is improved, the product performance is improved, and energy consumption is reduced.

The utility model belongs to the technical field of ore cleaning, and particularly relates to tailing ore cleaning equipment which comprises a screen body and a collecting device, a plurality of spray pipes are fixedly connected to the surface of the screen body, and two supporting frames are fixedly connected to the bottom end of the screen body. The collecting device is arranged under the screen body and comprises a storage box, the storage box is located under the screen body, the bottom end of the storage box is rotationally connected with a plurality of supporting wheels, the upper surface of the storage box is fixedly connected with two placing plates, filter screens are inserted into the inner walls of the two placing plates, a fixing device is arranged on the surface of the water pipe, and the fixing device comprises a placing block. The inner surface of the placing block is fixedly connected with the surface of the water pipe, the inner surface of the placing block is rotatably connected with two threaded rods, and the surfaces of the threaded rods are in threaded connection with clamping rings; and through the whole device, wastewater can be conveniently collected, and meanwhile, the wastewater can be simply filtered, so that subsequent cyclic utilization is facilitated.

The utility model relates to the technical field of white carbon black processing, in particular to a white carbon black grinding treatment device which comprises a bottom plate, a tank body is arranged above the bottom plate, and a round rod is rotationally connected to the inner wall of the top of the tank body. White carbon black raw materials are added into the tank body through the feeding pipe, the motor drives the smashing cutter to rotate through the round rod, large-particle raw materials are smashed, the round rod drives the grinding disc to rotate, the smashed raw materials are preliminarily ground, the round rod drives the second bevel gear to rotate through the first bevel gear, and the second bevel gear drives the transverse rod to rotate. A transverse rod drives a convex block to rotate, a square plate drives a filtering frame to continuously move up and down, a round rod rotates to drive a grinding roller to continuously rotate, and raw materials are ground again, so that the filtering frame can vibrate up and down, small particles can be rapidly filtered, left large particles are more easily subjected to secondary grinding, and the grinding uniformity is good; meanwhile, the filtering holes are not prone to being blocked, and the grinding efficiency is improved.

The invention provides a continuous crystallization method of aluminum fluoride, in the continuous crystallization method, a multistage continuous crystallization kettle is adopted, the yield of an obtained crystal product is improved, the particle size is increased, the filtering performance is improved, the fluidity of the obtained product is ensured, and the continuous crystallization method is suitable for industrial production. Therefore, the content of impurities entrained by products is reduced. According to the invention, an existing aluminum fluoride batch-type reaction crystallization technology and a continuous crystallization equipment technology are creatively combined and transformed into an aluminum fluoride continuous reaction crystallization process technology, so that the aluminum fluoride crystallization efficiency and the production capacity are improved, the product performance is improved, and the energy consumption is reduced.

The present invention relates to the technical field of wastewater treatment devices, and proposes a wastewater treatment device and method for cellulose production, including a reactor having a treatment chamber, the treatment chamber having a feed port and a discharge port; a rotating shaft portion rotatably arranged on the reactor, and located in the treatment chamber; a plurality of stirring plates are arranged on the rotating shaft portion, the stirring plates abut against the inner wall of the reactor, and the stirring plates have two symmetrically arranged heating surfaces; a heating element is arranged in the stirring plate, and is located between the two heating surfaces. Through the above technical scheme, the problem that when the wastewater treatment device evaporates and crystallizes in the prior art, the precipitated crystals are easily attached to the inner wall, and the wastewater at the center is not easy to be heated to a suitable temperature is solved.

This utility model relates to the field of air filter technology, specifically to a cleaning filter, including a filter housing. Both ends of the filter housing are fixedly installed with end caps, which are connected to the filter housing by multiple threaded bolts. O-rings are fixedly installed at both ends inside the filter housing, and multiple sealing gaskets are fixedly installed inside the filter housing. An air inlet and an air outlet are respectively opened on one side of each of the two end caps. This utility model achieves a highly efficient filtration effect on the air blown out of an air compressor, solving the problem that existing technologies, while providing simple preliminary filtration with filter elements, cannot achieve high-quality filtration. Furthermore, the air blown out of the air compressor may contain impurities such as water, oil, iron slag, rust, and sand, which cannot be effectively filtered.

The invention relates to the technical field of filtering equipment, in particular to full-automatic horizontal microgravity nanometer complete filtering equipment which comprises a rack, a filtering cylinder is fixed to the rack, a hollow rotating shaft is arranged on the axis of the filtering cylinder, a driving device is connected to the end of the hollow rotating shaft, a plurality of feeding pipes are arranged at the top of the filtering cylinder, and a plurality of discharging openings are formed in the bottom of the filtering cylinder. A plurality of filter discs are arranged on the hollow rotating shaft in the filter cartridge, the interiors of the filter discs are communicated with the hollow rotating shaft, and an outlet is formed in one end, away from the driving device, of the hollow rotating shaft; a to-be-filtered liquid enters through the feeding pipe and is filtered by the filter disc, intercepted objects are discharged through the discharge outlet, and a filtered clear liquid enters the filter disc, enters the hollow rotating shaft and is discharged through the outlet. The filter is reasonable in structure, the plurality of filter discs are stacked on the hollow rotating shaft and integrally arranged in the filter cartridge, the hollow rotating shaft is rotated through microgravity to drive the filter discs to rotate at a high speed, and cross flow is generated between the surfaces of the filter discs and materials in a container through rotation, so that effective filtration is realized.

This invention relates to the field of preparation technology of terephthalic acid dicamphor sulfonate organic amine salt, and particularly to a method for synthesizing terephthalic acid dicamphor sulfonate organic amine salt, comprising the following steps: neutralizing camphor sulfonic acid with an organic amine compound in a solvent to generate camphor sulfonate organic amine salt; and condensing camphor sulfonate organic amine salt with terephthalaldehyde under the catalysis of a non-metallic organic alkaline catalyst to obtain terephthalic acid dicamphor sulfonate organic amine salt. The method employs an organic amine neutralization and non-metallic organic alkaline catalytic system, avoiding the introduction of metal ions throughout the process. The product is terephthalic acid dicamphor sulfonate organic amine salt, and no subsequent ion exchange treatment is required, resulting in higher product safety, making it particularly suitable for high-end applications such as sunscreen cosmetics.

The utility model relates to the technical field of building sewage, in particular to a self-separating drainage system for building sewage, which comprises a vertically arranged drainage tank body, a connecting shaft is vertically arranged in the drainage tank body, the outer side wall of the connecting shaft is rotatably sleeved with a connecting frame, and the connecting frame is fixedly connected with the inner side wall of the drainage tank body. The lower end of the connecting shaft is connected with a driving mechanism, the outer side wall of the connecting shaft is rotationally sleeved with a separator, drainage holes are evenly formed in the separator, a mounting ring is arranged on the upper surface of the middle of the separator, the outer side wall of the connecting shaft is movably sleeved with the mounting ring, and a cleaning rod is fixedly mounted on the outer side wall of the mounting ring; a butt-joint groove is vertically formed in the outer side wall of the connecting shaft, a butt-joint piece is fixedly installed on the inner side wall of the installation ring, the butt-joint piece is matched with the butt-joint groove, and a threaded ring connected to the outer side wall of the connecting shaft in a threaded and sleeving mode is arranged on the upper end face of the installation ring.

The present invention provides a detection method of a single-flavor capsule, a method for constructing a single-flavor capsule control fingerprint spectrum, a single-flavor capsule quality control method, and a method for detecting characteristic components in a single-flavor sample, and belongs to the technical field of drug detection. The chromatographic conditions of the method of the present invention are as follows: a chromatographic column: octadecylsilane bonded silica gel is used as a filler; a mobile phase: composed of phase A and phase B, wherein phase A is acetonitrile and phase B is 0.05%-0.2% phosphoric acid aqueous solution. The method of the present invention is simple and stable, has high precision, good repeatability and durability, can perform multi-component indications on single-flavor capsules and perform similarity evaluation, and can more fully and comprehensively reflect the component information in single-flavor capsules than the prior art, and increases the means for monitoring the quality control of single-flavor capsule intermediates and finished products, which is conducive to improving the control level of the overall quality of single-flavor capsules, ensuring the stability and uniformity of drug quality, and ensuring efficacy and drug safety.

The present invention discloses a flat mop cleaning tool, comprising a mop and a mop bucket. The mop bucket is provided with a working area and a water storage area. The working area is located above the water storage area. The mop is located in the working area for cleaning and / or dehydration. A channel is provided between the working area and the water storage area to connect the two. After sewage generated when the mop is operated falls into the working area, it can flow into the water storage area from the channel, so that no water will accumulate in the working area. A pumping device is also provided, which can pump out water in the water storage area and spray it on the wiped object of the mop during cleaning. The generated sewage will be discharged into the water storage area through the channel and will not remain in the working area, so as to ensure the cleanliness of the mop cleaning and / or dehydration.