38results about How to "Prevent moisture absorption" patented technology

The invention provides low-moisture-absorption and high-thermal-conductivity electrical-grade magnesium oxide and a preparation method thereof.The preparation method comprises the steps that silicon powder and silica sol are mixed to serve as coating slurry; carrying out coating treatment on the fused magnesium oxide by using the coating slurry, and then drying and screening to prepare silicon-coated fused magnesium oxide powder; the preparation method comprises the following steps: performing multi-stage preheating treatment and nitriding treatment on silicon-coated fused magnesium oxide powder in a nitrogen atmosphere, so that silicon powder on the surface of magnesium oxide is nitrided to form molten silicon nitride, and finally cooling and sizing to obtain high-temperature electrical-grade magnesium oxide powder with a spherical core-shell structure. The electrical grade magnesium oxide powder can resist high temperature and moisture, more importantly, the heat conduction performance of magnesium oxide is ensured, and the flowability and filling efficiency of the powder are improved.

The utility model provides a kind of solid raw material dewatering equipment for three-proofing glue production, belong to the technical field of glue production, including bearing mechanism, including adsorption tower, fixed installation in the top of adsorption tower pipe body and the sealing cover of movable installation in the top of pipe body;Mounting mechanism, including ring sleeve.The utility model is by box body and support disc to realize molecular sieve granule board whole quick replacement, greatly shorten downtime, avoid production interruption;Sealing cover and mechanical interlock's positioning assembly ensure that adsorption tower is airtight when disassembling, prevent air moisture absorption or dust leakage;Spring support and limiting structure of jacking assembly auxiliary one-key type release locking mechanism, reduce artificial intervention, avoid the risk of forcible disassembly when high temperature is not pressure relief;Prepackaged filling type molecular sieve granule board is directly replaced, and particle crushing and pipeline pollution are eliminated.These designs comprehensively improve replacement efficiency, safety and sealing, solve the production bottleneck and hidden danger of traditional replacement mode.

The invention relates to the field of house buildings, and discloses a large indoor ski field thermal insulation engineering fireproof isolation belt setting method which comprises the following steps: S1, three-dimensional plane arrangement: positioning and typesetting fireproof isolation belts and fireproof isolation belt columns; s2, keels are installed, specifically, vertical keels and transverse keels are installed to serve as fireproof isolation belt columns, the vertical keels are perpendicular to the ground, the transverse keels are parallel to the snowways, and the vertical keels and the transverse keels are connected in a welded mode; s3, heat preservation and fireproof isolation belt installation, wherein the rock wool boards are fixed to fireproof isolation belt columns through mushroom nails, and the abutted seams are coated with sealant; a gap of 30 mm is reserved between the rock wool board and the PIR composite board; and S4, partition arrangement is conducted, specifically, partitions are arranged at the vertical keels and the transverse keels every 50 M, and a continuous fireproof isolation belt is formed. The PIR insulation board with the combustion performance of B1 grade and the special rock wool board with the combustion performance of A grade for fireproof isolation are scientifically combined, so that the dual functions of insulation and fire prevention are successfully realized.

The utility model relates to the field of beverage bottle lid discloses a beverage bottle lid with press trigger suction accessory falling function, including the cover, the top of cover is provided with the false touch press assembly, the upper portion of cover is provided with the installation mouth, the top of cover is connected with the limit lug of fixed connection and the number is multiple, the false touch press assembly includes the protection cover, the bottom of protection cover is fixedly connected with the control pipe, the inside movable joint of control pipe has the press bar, the outside of control pipe is provided with the auxiliary pipe, the outside fixed connection of auxiliary pipe has the fixed ring, the fixed ring is fixedly connected with the inner wall of installation mouth. In the utility model, through setting false touch press assembly and setting limit lug and limit recess etc. between the cooperation of parts, the bottle cap can be effectively protected, the false trigger of bottle cap in the process of transportation or selling can be effectively avoided, is more practical.

The invention relates to the field of functional food, and discloses bioactive iron blood-enriching milk powder which comprises the following components: whole milk powder, skim milk powder, desalted whey powder, isomaltooligosacharide, Chinese yam powder, milk mineral salt, longan powder, Chinese wolfberry fruit powder, lactase, taurine, plant lactobacillus SG-5, compound lactic acid bacteria powder, mineral substances, ferriheme and vitamins. According to the invention, natural components rich in various bioactive substances, such as the Chinese yam powder, the longan powder and the Chinese wolfberry fruit powder, are introduced, and bioactive iron supplements, such as the ferric sodium ethylene diamine tetraacetate and the ferriheme, and mineral substances, such as calcium carbonate and zinc oxide, are combined; the technical effects of remarkably improving the iron element absorption efficiency, reducing gastrointestinal tract stimulation and providing various health benefits are achieved. The problems of low absorption efficiency or large side effects easily caused by a single iron source (such as an inorganic iron supplement) in the prior art are solved.

The utility model discloses a gas heater, and relates to the field of fuel cells, the gas heater comprises a hollow heat conduction sleeve and a heating part arranged in the heat conduction sleeve, the heat conduction sleeve and the heating part are fixedly clamped through a detachable positioning hoop assembly; the heating part comprises a heating rod which is distributed along the central axis direction of the heat conduction sleeve and fins which are spirally distributed on the outer side wall of the heating rod; the heating rod comprises an outer pipe body of a composite layer structure and a heating wire fixed in the inner space of the outer pipe body. The heating component is coupled and positioned in the heat conduction sleeve, so that an effective positioning and fixing effect on the heating component is achieved; the heat exchange area in the heating rod and the heat conduction sleeve is increased, the heat capacity is increased, and the heat exchange efficiency is improved.

The utility model discloses a heating tube sealing structure and baking tray, aim at solving the existing heating tube seal not thoroughly, the assembly stability is poor and so on. The structure contains heating disc, its inside is equipped with magnesium oxide filler, and the first, second heating tube cold needle is projected with respectively two ends, and there is the heating wire that penetrates heating disc and is wrapped by magnesium oxide filler between two cold needles. In addition, still be equipped with first conducting rod subassembly and second conducting rod subassembly, two respectively with the both ends sealed connection of heating disc. This design through both ends conducting rod subassembly and the close seal of heating disc, can bear the gas expansion pressure in pipe, prevent gas leakage, maintain the pressure balance in pipe, enhance the sealing reliability, effectively solve the sealing problem caused by gas expansion. Meanwhile, the structure reduces the dependence on the size precision of single component, even if the size error exists in component processing, can realize good sealing connection, reduces the unstable situation of assembly caused by size deviation, improves the stability and success rate of assembly.

The present invention belongs to the technical field of building materials, and specifically relates to a concrete sealing and curing agent and a preparation method thereof. The concrete sealing and curing agent provided by the present invention is mainly composed of a lithium silicate complex, an isobutyltriethoxysilane emulsion, a penetrant, Tween 80 and deionized water. The concrete sealing and curing agent prepared by the present invention has the advantages of high stability and strong permeability, can penetrate into the interior of the concrete well, react with free calcium to generate insoluble amorphous hydrated calcium silicate, and seal the capillary pores of the concrete, thereby improving the compactness and hardness of the concrete. At the same time, the concrete sealing and curing agent also has excellent waterproof and anti-corrosion properties, can effectively improve the water permeability, chloride ion permeability and carbonization resistance of the concrete, and can significantly extend the service life of the concrete.

The utility model relates to a molecular sieve waste gas treatment device, and aims to solve the problems that although the molecular sieve desorption waste gas treatment device can switch and adjust different adsorption chambers to perform waste gas adsorption treatment, when one adsorption chamber is used, other adsorption chambers are exposed in the air, and the waste gas cannot be adsorbed. The utility model relates to a multi-stage adsorption device which solves the technical problems that the difficulty of separating a mixture is increased and the follow-up treatment effect is reduced due to the fact that molecular sieve particles in other adsorption chambers can absorb moisture in the air and the pore diameter of the molecular sieve particles is increased when the molecular sieve particles in the other adsorption chambers can absorb the moisture in the air. Therefore, replacement and adjustment of filter plates in the first limiting frame and the second limiting frame on the front side and molecular sieve plates in the first limiting frame and the second limiting frame on the rear side are achieved, and meanwhile protection frames located on the two sides of the conveying cylinder frame can effectively shield, seal and protect the filter plates and the molecular sieve plates in the first limiting frame or the second limiting frame. Dust accumulation on the surface of the filter plate and moisture absorption of the molecular sieve plate are avoided.

The invention discloses a micro negative pressure separation system for a graphite material super-crushing process, which comprises the following steps: firstly, carrying out ultrasonic pre-dispersion on super-crushed graphite powder under the protection of inert gas, so that agglomerated particles are dissociated to form uniform suspended powder cloud; and then sealed feeding between the normal-pressure area and the negative-pressure grading area is achieved through a spiral airlock mechanism. In a negative pressure environment, powder is sequentially subjected to coarse separation of the speed increasing channel, grading separation of the rotational flow field and dispersion conditioning under the action of the electrostatic field, and a stable gas-solid two-phase system suitable for fine screening is formed. In the fine grading part, a multi-layer ceramic membrane filtering structure is adopted to cut off the particle size of submicron-scale and nano-scale powder, and periodic regeneration of a membrane surface is realized through a pulse back flushing device, so that continuous and stable filtering flux is maintained. The system realizes closed-loop control of atmosphere through negative-pressure air exhaust and oxygen content monitoring, so that the whole process is operated under a low-oxygen condition, and graphite powder with different particle size grades, such as coarse powder, medium powder, fine powder and nano powder, is obtained.

The application provides popcorn and a preparation method thereof, and relates to the technical field of popcorn. The popcorn is prepared from pretreated corn kernels, oil and fat components and composite sugar powder. The composite sugar powder comprises isomaltulose, trehalose, allulose, natural inulin and licorice extract powder. The pretreated corn kernels are prepared from corn kernels, stevioside and glucose-based stevioside. The popcorn provided by the application can meet the characteristics of not being sticky, having a crisp taste and not being collapsed in shape. By compounding multiple functional sugar and natural extracts, the technical problems of being sticky, not having a crisp taste and having inconsistent sweet taste distribution in traditional popcorn are solved.

This invention provides a sulfide solid electrolyte synthesis apparatus and method, relating to the field of solid-state battery production technology. The synthesis apparatus includes: a sample feeding module, a bead feeding module, a ball milling module, a sieving module, a powder scraping module, and a sintering module. The sample feeding module and the bead feeding module are located upstream of the ball milling module, the sieving module and the powder scraping module are located downstream of the ball milling module, and the sintering module is located downstream of the sieving module, used for sintering the solid powder sieved by the sieving module. Through quantitative closed-loop feeding, scraping of residue from the tank wall, sieving, and direct transmission of sintering, the preparation efficiency, batch consistency, and environmental safety are significantly improved, reducing manual intervention within the glove box and eliminating moisture absorption and impurity introduction. This synthesis apparatus supports high-throughput synthesis with adjustable multi-parameter parameters, providing stable, clean, and controllable hardware support for the industrial-scale expansion of sulfide electrolytes.

This invention belongs to the field of plastic processing and packaging technology, and specifically relates to a packaging equipment and method for selling plastic granules. The equipment includes, in sequence, an intelligent storage silo, a pretreatment unit, a continuous metering unit, a protective filling unit, a laser sealing unit, a multi-dimensional detection unit, a blockchain traceability unit, and a flexible palletizing unit. All units are connected via an electrically controlled conveying platform for material transport. An external central AI control system, composed of an edge computing server and a PLC controller, communicates with each unit in real time via a bus. This invention utilizes a continuous recording unit that employs a servo screw feeder and an ultrasonic anti-arching vibrator for coordinated material feeding. Combined with real-time measurements from a Coriolis mass flow meter and a high-precision electronic scale, the central AI control system performs feedforward prediction and PID feedback closed-loop adjustment based on the particle property characteristic vector. The metering error is controlled within ≤±0.2%, with a fine-tuning compensation accuracy of ±0.1%.

A novel flaky caustic soda bagging and bagging device comprises a transition hopper, a bag clamping and bagging machine is arranged below the transition hopper, a gap is formed between the transition hopper and the bag clamping and bagging machine, a bagging mechanism is arranged on the rear side of the bag clamping and bagging machine, the transition hopper comprises a hopper body, and an annular blowing pipe is arranged on the periphery of the lower portion of the hopper body. The bag clamping and bagging machine comprises a bag clamping material barrel with the oval lower end, a weighing sensor is arranged at the upper end of the bag clamping material barrel, two bag clamping arms are arranged on the outer side of the lower end of the bag clamping material barrel, a bag clamping air cylinder is arranged between the bag clamping arms, and a bag clamping soft plate is arranged in the middle of the lower end of each bag clamping arm. Bag clamping plates are arranged on the left side and the right side of the lower end of the bag clamping arm, the bagging mechanism comprises a bagging swing arm, a fixed bag opening rod is arranged at the front end of the bagging swing arm, a front bag opening rod is arranged in front of the fixed bag opening rod, a rear bag opening rod is arranged behind the fixed bag opening rod, and the bagging swing arm and the bag opening rod can tightly support a bag opening to form a hexagon. According to the invention, the weighing precision and stability can be improved.

The application provides a rare earth-titanium-boron composite vacuum seal welding high-density cored wire and a preparation method thereof, and belongs to the technical field of metallurgical auxiliary materials. The preparation method comprises the following steps: weighing lanthanum-cerium rare earth alloy powder, titanium powder and boron powder for batching, and then uniformly mixing under a protective atmosphere to obtain mixed powder; filling the mixed powder into a low-carbon steel cylinder after pretreatment under a protective atmosphere, and then preliminarily sealing to obtain a composite blank; performing a reduction reaction on the composite blank in hydrogen, and then performing seal welding under a vacuum condition to obtain a composite blank after vacuum seal welding; heating the composite blank after vacuum seal welding, and then performing hot drawing to obtain the cored wire. The cored wire provided by the application realizes stable composite addition of rare earth, titanium and boron with high recovery rate, and significantly improves the structure and performance of 20Mn2 steel and the like, and solves the problems of cold heading cracking, insufficient toughness and aging embrittlement.

The application relates to the technical field of chemical raw material processing equipment, in particular to a processing and crushing device for calcium thiosulfate; the device comprises a grinding box, a crushing box, a feeding hopper, a tail gas treatment mechanism and a circulating cooling mechanism. The device integrates crushing, grinding, cooling, sealing, inerting and tail gas treatment, has compact structure, occupies small area and can continuously and closedly process the calcium thiosulfate. A U-shaped circulating cooling channel is arranged in the fixed crushing roller, a grinding cooling cavity of the grinding box is also connected with a cooling medium, the crushing area and the grinding area are forcedly cooled, and the materials are effectively prevented from being decomposed due to frictional heat. The top of the crushing box is connected with a tail gas absorption box, a vacuumizing mechanism is arranged, the system is in a micro-negative pressure state, sulfur-containing gas and dust generated during the processing are sucked into the absorption box for treatment, and zero emission is realized.

The invention discloses a production technology of instant macaroni, relates to the technical field of flour product production, and aims to improve the taste of macaroni and prolong the preservation time of the macaroni. Main components in the formula comprise high gluten flour, quinoa flour, chickpea powder, egg white and the like, the raw materials are uniformly mixed, water is gradually added to form smooth dough, and the compactness and viscoelasticity of the dough are enhanced through dough kneading and vacuum treatment; then the dough is extruded into the tubular macaroni, the key is that the macaroni is flatly laid and naturally placed for shaping, the extrusion shape of the macaroni is fixed, the ripening degree and the water content of the product are controlled through precooking and drying, the taste is ensured, and the shelf life is prolonged; the dried macaroni is subjected to cooling and vacuum packaging, so that the preservation time of the macaroni is effectively prolonged; the instant macaroni solves the problems that existing instant macaroni is too thick in pipe wall, has multiple cracks and bubbles and contains too many additives and preservatives, and the finished product quality of the instant macaroni is improved and the preservation time of the instant macaroni is prolonged on the premise that the preservatives are not used.

This invention relates to the field of noodle processing technology, specifically to a type of buckwheat noodle and its preparation method. The raw materials for this noodle include sweet buckwheat flour, bitter buckwheat flour, quinoa flour, and yam flour, with the addition of gallic acid, chili straw ash extract, and appropriate amounts of salt, sodium bicarbonate, and warm water. All raw materials undergo screening and processing, and the chili straw ash extract is prepared according to a specific process. The preparation method includes eight steps: raw material pretreatment, dough mixing, proofing, rolling and cutting, pre-drying, steaming and shaping, cooling and drying, and packaging and storage. The process parameters for each step are optimized. This invention uses a combination of gallic acid and chili straw ash extract as a natural improver to solve the problems of poor elasticity, easy breakage, and mushy soup production in buckwheat noodles. It combines various grain flours to achieve nutritional balance, a chewy texture, and no chemical additives. The process is simple, suitable for industrial production, and effectively extends the shelf life.

This invention relates to the field of microbial preparation technology, specifically to a salt-containing probiotic composition and its preparation method, comprising the following components: refined coarse salt, modified carboxymethyl chitosan, lactic acid-gluconolactone composite acidifier, sodium alginate, calcium chloride, freeze-dried Lactobacillus plantarum powder, and trehalose; the coarse salt is treated with hydrogen peroxide to remove Fe... 2+ Oxidized to Fe 3+ Citric acid chelates Fe 3+ and Cu 2+ Tannic acid displaces Fe 3+ A coordination reaction occurs, forming a metal-polyphenol network on the surface of probiotics, providing a physical barrier protection. The lactic acid-gluconolactone complex acidifier gradually decreases the pH, allowing tannic acid to systematically capture Fe. 3+ The MPNs network grows uniformly. Sodium alginate-Ca 2+ The gel network forms a composite gel network with modified carboxymethyl chitosan, and the double protection of the MPNs network significantly improves the survival rate and functional activity of probiotics.

The utility model discloses a pneumatic conveying system of a lifting feeder, which comprises an ash bucket, a lifting machine and a stock bin, the ash bucket, the lifting machine and the stock bin are communicated through a closed pipeline, and a pneumatic conveying mechanism used for conveying materials in the ash bucket to the lifting machine is arranged at the outlet end of the lower end of the ash bucket. The pneumatic conveying mechanism comprises a fan and a conveying pump which are connected with each other, the outlet end of the conveying pump is communicated with the discharging end of the ash bucket, and a material-gas separation mechanism is arranged on a pipeline between the ash bucket and the elevator; materials are completely sealed in the whole conveying process, so that the working environment is greatly improved, the materials can be prevented from absorbing moisture, being stained or being mixed with other impurities in the whole conveying process, the quality of the conveyed materials is guaranteed, the material conveying process is free from interference of the external environment, and the conveying efficiency is improved. And the gas-material separation mechanism conveys the materials into the hopper of the lifter from the ash bin by utilizing the gravity of the materials, so that the gas consumption can be reduced, and the energy consumption required for conveying the materials is reduced.

The invention relates to the field of waste resource utilization and chemical material preparation, and discloses a method for preparing high-purity sodium carbonate from fly ash, which comprises the following steps: raw material pretreatment: carrying out component analysis, screening and acid pickling treatment on fly ash; multistage dissolution and selective precipitation: dissolving the pretreated fly ash in water, and adjusting the pH value and temperature of the solution for selective precipitation; multi-stage temperature control crystallization and purification: separating out sodium carbonate crystals through multiple times of crystallization and filtration; drying and finished product collection: drying and packaging the sodium carbonate crystals subjected to crystallization separation. Through accurate parameter monitoring, multi-stage temperature control crystallization, two-stage low-temperature drying and nitrogen purging treatment, efficient removal of sodium carbonate impurities is achieved, the purity and the product stability are improved, meanwhile, moisture absorption and caking are effectively prevented through improved drying and packaging measures, and it is ensured that the quality of finished products is kept stable in the storage and transportation process.

This invention discloses a multi-layer composite sound insulation cotton for drain pipes. It comprises, from the outside in, a release paper layer, a first butyl rubber layer, an IXPE foam layer, a second butyl vibration damping layer, and a non-woven protective layer, stacked sequentially. The first butyl rubber layer is made of modified butyl rubber; the IXPE foam layer is made of cross-linked polyethylene foam with an independent closed-cell structure; and the second butyl vibration damping layer is made of high-damping butyl rubber. The sound insulation cotton of this invention achieves low-temperature continuous bonding and initial vibration damping and waterproofing through the first butyl rubber layer; it achieves sound absorption, sound insulation, and heat preservation through the IXPE foam layer; it forms a constrained damping structure with the second butyl vibration damping layer, the first butyl rubber layer, and the IXPE foam layer to suppress pipe vibration and block sound bridge transmission; and it forms a double waterproof structure with the non-woven protective layer and the first butyl rubber layer to prevent external water vapor penetration. It integrates multiple functions such as bonding, vibration damping, sound absorption, sound insulation, heat preservation, waterproofing, and protection.

The moisture-proof sealing structure of the comprehensive distribution box comprises a box body and a box door, the box body is of a structure with an open front face, the front face of the box body is movably connected with the box door, the bottom of the box body is fixedly connected with a bottom plate, the bottom plate is provided with a plurality of wire holes, the inner side of the box body is fixedly connected with a back plate, and the back plate is provided with a plurality of wire holes. The inner side of the box body is fixedly connected with a mounting rail, and the front face of the box body is fixedly connected with a protruding edge opening. The moistureproof box has the advantages that the moistureproof layer is formed by connecting a plurality of moistureproof bags and can be in any shape so as to be matched with different structures of the inner wall of the box body, the moistureproof layer is attached and installed in the box body through the magnetic attraction blocks, installation is convenient, the moistureproof layer is of a sheet-shaped structure, the surface area is large, and the moisture absorption and moistureproof effects are good; the drying agent layer in the moisture-proof bag adsorbs moisture molecules to the surface by utilizing the special adsorption capacity of the surface of the drying agent layer, so that the relative humidity in the box body is reduced, and the moisture in the distribution box can be effectively prevented.

The invention discloses an ionic liquid alkylation active agent closed automatic operation system which comprises a PLC or DCS control device, a weighing sensor, a pressure feed tank, a stock bin, a first delivery valve, an isolation tank, a second delivery valve and a reaction kettle, and an upper outlet of the stock bin is provided with a cyclone separator, a bag-type dust collector and an alkali washing dust collector; the pressure feed tank is arranged on the ground; the weighing sensor is arranged below the isolation tank, pressurized dry nitrogen for conveying an active agent is arranged in the pressure feed tank, and the active agent is conveyed to the stock bin in a pressure feed mode; the active agent automatically flows from the stock bin or is pressed into the isolation tank, and the active agent is pressed into the reaction kettle after being received and weighed by the isolation tank to a target value. The method has the beneficial effects that the operation is simple, the filling efficiency is high, closed filling can be realized, and active components are prevented from drifting away; the contact between the active components and air in the filling process can be reduced; an alkali washing process is added at the outlet of the dust remover to prevent acidic substances from polluting the environment, realize continuous and stable filling and reduce the operation intensity.

The utility model discloses a moistureproof file management cabinet, which belongs to the technical field of file management cabinets, and comprises a cabinet body, the front side of the cabinet body is rotatably connected with a cabinet door, the interior of the cabinet body is bolted with a placing plate, a ventilation net is embedded in the bottom of the left side of the cabinet body, and the left side of the cabinet body is provided with a ventilation hole. By arranging the cabinet body, the cabinet door, the placement plate, the ventilation net, the first moisture absorption assembly, the second moisture absorption assembly, the induction assembly and the exhaust assembly, a user opens the cabinet door on the front side of the cabinet body during use, then places files on the placement plate in the cabinet body, and then closes the cabinet door; then air enters the cabinet body through a ventilation net embedded in the bottom of the left side of the cabinet body, and moisture contained in the air, entering the cabinet body, of the ventilation net is adsorbed by a first moisture absorption assembly located on the bottom side in the cabinet body; and meanwhile, a placement screen frame located on the top side in the cabinet body is matched with a second drying agent block in the placement screen frame to further adsorb air in the cabinet body.

The utility model discloses a plate-shaped heat preservation roof which comprises two symmetrical purlines fixedly connected to a building roof through bolts, the tops of the two purlines are fixedly connected with a bottom plate, the top of the bottom plate is provided with a rock wool plate, the top of the rock wool plate is provided with two symmetrical inner supports, and the inner supports are fixedly connected with the bottom plate through bolts. A waterproof vapor-permeable film is installed on the tops of the two inner supports, a roof panel is installed on the top of the waterproof vapor-permeable film, L-shaped plates are fixedly connected to the left sides and the right sides of the tops of the two purlines through bolts, and the tops of the L-shaped plates are fixedly connected with the bottoms of the inner supports through bolts. According to the roof structure, the bottom plate, the rock wool plate and the waterproof vapor permeable film are installed, so that the bracket plays a role in installing an auxiliary structure during installation, the bracket can disperse the load borne by the roof structure, then the connecting plate supports the bottom of the bottom plate, and finally the connecting plate supports the bottom of the bottom plate to form a stable supporting structure.

The utility model relates to a hand-washing cup which comprises a cup body, filter cloth is arranged inside the bottom end of the cup body, a closed cavity is formed by the filter cloth and the bottom end of the cup body, and coffee is filled in the closed cavity. A sealing layer is further arranged in the cup body, the sealing layer is arranged on the inner wall of the cup body, the sealing layer is located between the filter cloth and a cup opening of the cup body, a sealing cavity is formed between the sealing layer and the lower portion of the cup body, and the cup body is of a big-end-up frustum structure. Coffee is contained in the cavity of the hand brewing cup, when the coffee is drunk, the brewing and drinking process is more convenient and simpler, coffee powder is always soaked in water in the brewing process and is kept in a water-soluble state, effective components in the coffee can be fully extracted, the utilization rate of the effective components of the coffee can be further increased in a cup continuing mode, and the coffee brewing efficiency is improved. And due to the action of the filter cloth, coffee particles and blocks which are not brewed are not drunk accidentally, so that the coffee drinking taste of a user is better.

The application belongs to the technical field of building insulation material processing and manufacturing, and particularly discloses a premixing device, which comprises a premixing host, a stirrer, an atomization spraying assembly, a storage bin, a first feeder and a drying box. The stirrer comprises a driving motor, a stirring shaft and a plurality of stirring impellers. The stirring shaft is connected with the output end of the driving motor and extends into the premixing host. The stirring impellers are arranged on the stirring shaft. The premixing device is provided. The atomization spraying assembly is used to uniformly coat the modifying additives. The storage bin is protected by inert gas to ensure the purity of raw materials. The stable feeding structure and the omnibearing stirring design are used to fully mix the raw materials, so that the problems of aerogel powder agglomeration and poor compatibility with cement-based slurry are solved, and equipment support is provided for the large-scale application of aerogel in autoclaved aerated concrete block production.

The invention relates to the technical field of ferro-titanium alloy smelting, in particular to a ferro-titanium alloy smelting process based on a composite aluminum material aluminothermy method, which specifically comprises the following steps: modifying aluminum skimmings by using an auxiliary agent for pretreatment, and preparing the ferro-titanium alloy through gradient mixing and layered distribution, aluminothermy reaction initiation and smelting. The composite fluoride-MgO compound is melted at the initial stage of the reaction, and the composite fluoride and the nano MgO form a physical-chemical dual membrane rupture effect. CaO and BaB6 micro powder are wrapped by Li2B4O7, so that the effects of protecting and avoiding layering are achieved. Internal active components are gradually released, so that the effective action time of the additive is prolonged. Li < + > and BaB6 which are released by melting Li2B4O7 react with each other to gradually generate BF3, and F <-> is chemically corroded to form synergistic membrane rupture of internal and external clamping, so that the membrane rupture efficiency is improved. CaO reacts with Li2B4O7 to generate Ca3B2O6, so that the slag phase viscosity is reduced, and the slag-metal separation is improved. And meanwhile, CaO has the desulfurization capacity, melt purification can be achieved, and the recovery rate of titanium and the alloy purity are improved.

The utility model discloses an elasticizer dustproof interlaced nozzle for processing antibacterial polyester yarn, and particularly relates to the field of yarn processing equipment, the elasticizer dustproof interlaced nozzle comprises a shell, an air inlet, an air outlet, a support frame, a dustproof mechanism and a ventilation channel, the air inlet is installed on the upper end face of the shell, and the air outlet is formed in the bottom end face of the shell; a supporting frame is arranged on the side end face of the shell, a dustproof mechanism is arranged on one side of the air outlet, and a ventilation channel is formed in an inner cavity of the shell. The material with the antibacterial performance is added, the antibacterial effect is achieved by adding alloy of silver ions and nano silver ions, dust on the surface of the nozzle is removed during air compression, the self-cleaning function is achieved, meanwhile, temperature adjustment and humidity control are conducted through the temperature and humidity sensor, the micro heater and the micro cooler, and the self-cleaning effect is achieved. The fiber is processed at the optimal temperature, the antibacterial effect is enhanced, meanwhile, it is ensured that the humidity of the processing environment is within a proper range, and excessive moisture absorption or drying of the fiber is avoided.