371results about How to "Disperse fast" patented technology

The invention relates to the technical field of photovoltaic energy storage cabinets, in particular to a safety type photovoltaic energy storage cabinet. Comprising an outer shell, a plurality of inner shells are fixedly connected in the outer shell, battery packs are detachably and fixedly connected in the inner shells, cooling fans which are symmetrically distributed are arranged outside the outer shell, each inner shell is provided with two cooling row holes which are symmetrically distributed, and the inner shells are slidably connected with two plugging frames which are symmetrically distributed. The two plugging frames on the inner shell are jointly provided with a connecting frame, the inner shell is fixedly connected with a sliding rail, an electric sliding block is slidably connected into the sliding rail, and the electric sliding block of the sliding rail is fixedly connected with the adjacent connecting frame. According to the invention, the temperatures of the plurality of battery packs during charging are respectively detected, and heat dissipation of different degrees is carried out according to different temperatures of the plurality of battery packs, so that the plurality of battery packs are at proper temperatures, cooling resources are allocated as required, energy is saved, and operation cost is reduced.

The invention relates to an injectable skin filler. The injectable skin filler comprises hydrophilic modified adhesive polyester microspheres, a suspending agent and a synergist, the mass ratio of the hydrophilic modified adhesive polyester microspheres to the suspending agent to the synergist is (1-5): 1: (0.1-2); the hydrophilic modified adhesive polyester microsphere is an amphiphilic polymer composite polyester microsphere, and the amphiphilic polymer is a catechol-terminated amphiphilic polymer. The invention further provides a preparation method of the injectable skin filling agent. Polyester microspheres are modified through the amphiphilic polymer terminated by catechol. The device can be widely applied to medical cosmetology.

The invention relates to the technical field of heat dissipation plates, in particular to an aluminum-based heat dissipation plate for an energy storage battery and a preparation technology thereof.In order to improve the heat dissipation performance of the aluminum heat dissipation plate, the surface of the aluminum heat dissipation plate is coated with an epoxy resin coating with an epoxy modified graphene material; according to the preparation method, silicon-oxygen bonds and polyethylene glycol groups are introduced to the surface of graphene, so that the molecular flexibility of a grafted chain segment on the surface of the graphene is improved, and the phenomenon of coating falling caused by mismatching of thermal expansion volumes of an epoxy resin coating and an aluminum substrate is avoided; epoxy modified graphene and epoxy resin are mixed and then co-cured and cross-linked to prepare the heat dissipation coating, in the process, epoxy groups on the surface of the graphene and the epoxy resin jointly participate in cross-linking of a curing agent, so that a cross-linked network is formed, the bonding performance between the graphene and the coating is greatly improved, and the durability of the coating is effectively improved.

The invention provides a high-performance flame-retardant spandex fiber and a preparation method thereof, belongs to the technical field of chemical fiber manufacturing, and aims to solve the technical problem of poor flame retardance of flame-retardant polyurethane. The preparation method comprises the following steps: mixing polydihydric alcohol and diisocyanate, and carrying out prepolymerization reaction to obtain a prepolymer; dissolving a phosphorus-containing dihydroxyl compound, a nitrogen-containing dihydroxyl compound and a catalyst in a polar amine solution to prepare a mixed solution, mixing the mixed solution with the prepolymer, and performing polymerization reaction to obtain low-molecular-weight polyurethane containing phosphorus in a molecular chain; the preparation method comprises the following steps: mixing low-molecular-weight polyurethane with a chain extender, and carrying out chain extension reaction to obtain a phosphorus-containing polyurethane urea solution; and curing the phosphorus-containing polyurethane urea solution, and spinning to obtain the high-performance flame-retardant spandex. By utilizing the cross-linking characteristic of a nitrogen-containing element at a high temperature and the phosphorus-nitrogen synergistic flame-retardant advantage, the problems that a flame retardant in the conventional technology is poor in compatibility with spandex macromolecules and easy to fall off are solved, the acting force of a molecular chain is also improved, and the viscosity of a spandex spinning stock solution is improved, so that the spandex spinning stock solution can meet the requirement of high-speed dry spinning; the spandex is endowed with excellent flame retardant property, mechanical property and controllable elasticity, the preparation efficiency of the spandex is improved, and the cost is greatly reduced.

The invention relates to the technical field of nano composite materials, and particularly discloses a super wear-resistant self-lubricating carbon nano polymer and a preparation process thereof. The invention discloses a super wear-resistant self-lubricating carbon nano polymer which is prepared from the following raw materials in parts by weight: 35-50 parts of phenolic resin, 5-10 parts of bisphenol F resin, 0.2-1 part of a defoaming agent, 5-10 parts of modified phenolic resin fiber, 1-1.5 parts of pretreated graphene, 5-10 parts of polytetrafluoroethylene, 12-18 parts of nano aluminum oxide, 6-10 parts of talcum powder, 0.5-3 parts of zirconium oxide, 0.2-1 part of a flatting agent and 1-5 parts of silicon carbide. 0.2-1 part of an antioxidant, 0.2-1 part of an ultraviolet absorbent and 25-35 parts of cardanol. The super-wear-resistant self-lubricating carbon nano polymer prepared by the invention has the advantages of good toughness and good wear resistance.

The invention belongs to the technical field of vacuum radiators, and particularly relates to a novel vacuum radiator for a flexible circuit board, which is characterized in that the novel vacuum radiator comprises a mounting rack and a vacuum radiator main body, and the mounting rack is provided with the flexible circuit board main body; a mounting cavity with openings in the two ends is formed in the middle of the mounting frame, the vacuum radiator body is provided with two fixing pipes, the two fixing pipes are located at the two ends of the mounting cavity respectively, the outer walls of the fixing pipes are communicated with a plurality of extension pipes in the direction facing the middle of the mounting frame, and the extension pipes on the two fixing pipes are arranged in a spaced and staggered mode; through grooves are formed in the positions, corresponding to the fixed pipe and the extension pipe, of the top of the mounting frame. According to the invention, the two fixed pipes are enabled to deflect in a reciprocating manner around the axes of the fixed pipes through the driving assembly, so that local high-temperature airflow of the flexible circuit board main body is rapidly dispersed in the swinging process of the two fixed pipes and the corresponding extension pipes, and rapid cooling is realized.

The invention relates to a defoaming agent with fast dispersion, low cloud point, high temperature and high pressure resistance, strong acid and strong alkali resistance, which is prepared from the following components in percentage by weight: 5%-50% of white carbon black silicon paste, 1%-25% of terminated polyether modified polysiloxane, 0.1%-10% of spherical polysilsesquioxane, 1%-25% of compound polyether, 0.1%-10% of thickening agent, 0.05%-0.5% of sterilizing agent and the balance of water, and the sum of the weight percentages of the components is 100%. The invention also provides a production process of the defoaming agent, which comprises the following steps of: stirring the white carbon black silicon paste, the spherical polysilsesquioxane and the terminated polyether modified polysiloxane by using a homogenizer to be fully mixed, then adding the compound polyether, the thickening agent and the sterilizing agent, uniformly stirring, and continuously and quickly stirring for 25-35 minutes by using the homogenizer to obtain the defoaming agent. The uniformly mixed polyether modified polysiloxane defoaming agent is obtained. The invention aims to provide the defoaming agent which is high in dispersion speed, low in cloud point, resistant to high temperature and high pressure and resistant to strong acid and strong alkali.

The invention relates to the field of packaging materials, in particular to a high-barrier waterproof and oil-proof PHA composite film, a preparation method of the PHA composite film and a prepared protective inflatable bubble bag and paper cup. Comprising the following steps: dispersing PHA particles in a dispersion liquid to obtain a PHA dispersion with the solid content of 1-3%, and then carrying out vacuum distillation to obtain a PHA dispersion with the solid content of 60-70%; the method comprises the following steps: coating a PHA dispersion with the solid content of 60-70% on a base material, and drying at 145-155 DEG C to form a coating on the base material; and carrying out hot pressing on the surface containing the coating at 175-185 DEG C to obtain the PHA composite film. Through the production process, the obtained PHA dispersion with the solid content of 60-70% is subjected to coating, curing and hot pressing to form a stable PHA layer, so that the obtained PHA composite film has better barrier property and physical property.

The invention relates to a fine-grain mineral reinforced mixing and size mixing device and method, belongs to the technical field of mineral flotation stirring and size mixing, and solves the problem that the stirring and size mixing device in the prior art cannot meet the requirements of high dispersion and collision between fine-grain minerals and flotation reagents due to the single structural design. The device comprises a barrel body, a chemical adding mechanism and a wheel-paddle coupling pulp mixing mechanism, the chemical adding mechanism is arranged on the outer side of the barrel body, the wheel-paddle coupling pulp mixing mechanism is used for intensively mixing and mixing pulp in the barrel body, and an inner cavity of the barrel body is divided into a feeding distribution area, an opposite impact area and a shearing impact area from bottom to top. Based on horizontal shearing turbulent flow collision at the bottom of the barrel body and vertical shearing turbulent flow collision at the top of the barrel body, vortex shearing of ore pulp and an agent fed into the barrel wall in a top impeller area and secondary convection collision reinforcement between impeller propelling paddle areas are achieved, dispersion, collision and adhesion of fine-grain minerals and the agent are enhanced, the pulp mixing time is shortened, and the pulp mixing efficiency is improved.

The invention belongs to the technical field of medical instruments, particularly relates to a urinary surgery calculus flushing device and a use method thereof, and aims to overcome the defects that in the prior art, calculus cannot be collected, and the water pressure of cleaning fluid cannot be adjusted when the calculus is flushed. A handle is fixedly mounted at the bottom of the mounting box, an outer hose is fixedly mounted on the inner wall of one side of the mounting box, one end of the outer hose extends to the outer side of the mounting box, an inner pipe is fixedly mounted in the outer hose, a downpipe is fixedly mounted on the inner wall of the bottom of the mounting box, and the bottom end of the downpipe extends to the position below the mounting box and is fixedly provided with a threaded sealing cover. When calculi in the urethra of a patient are flushed, stamping of cleaning liquid can be adjusted, so that discomfort is not increased when the patient is flushed, meanwhile, the crushed calculi can be sucked out in time, and the crushed calculi can be prevented from remaining in the urethra of the patient.

The utility model discloses a wound repair material laser particle size analyzer which comprises a particle size analyzer body, an ultrasonic dispersion pool and a transmission frame are installed at the top of the particle size analyzer body, a rotating rod extending into the ultrasonic dispersion pool is installed at a frame seat at the tail end of the transmission frame through a transmission seat, and the particle size analyzer further comprises a stirring mechanism. The stirring mechanism comprises a main rod, an auxiliary rod, a C-shaped reverse plate, a C-shaped front plate, a bottom arc rod, an upper arc rod and an inward folding shifting plate, and the stirring mechanism is arranged at a rotating rod of the ultrasonic dispersion pool above the particle size analyzer body through improvement; the wound repair material particles and the dispersing agent which are placed in the ultrasonic dispersion pool can be efficiently stirred, mixed and contacted, so that the wound repair material particles can be quickly contacted with the dispersing agent in the ultrasonic dispersion pool for dispersion, and the wound repair material particles can be quickly treated at the particle size analyzer body for dispersion analysis.

The utility model relates to a yeast beta-glucan fast dispersing device which comprises a box body, a first stirring assembly is installed in the box body, the first stirring assembly comprises a first motor installed at the top end of the box body, the output end of the first motor is connected with a first rotating shaft, and the first rotating shaft penetrates through the top of the box body and extends into the box body. A radial stirring rod is mounted on the first rotating shaft; at least one second stirring assembly is installed on the upper portion of the box body and comprises a second motor installed on one side of the box body, the output end of the second motor is connected with a second rotating shaft, the second rotating shaft penetrates through the two sides of the box body and is rotationally connected with the box body, and an axial stirring rod is installed on the second rotating shaft; water and yeast beta-glucan are put into the box body, and the radial stirring rods on the first rotating shaft rotate, so that the yeast beta-glucan can be quickly dispersed in the water; the axial stirring rods on the second rotating shaft rotate, so that the yeast beta-glucan cannot float on the water surface and can be completely dispersed in water.

The invention discloses a diluent for blood cell detection, the diluent comprises a buffer solution, an osmotic pressure regulator, a preservative and a stabilizer, the concentration of the buffer solution is 5-100 mM, the osmotic pressure regulator accounts for 0.1-2% by mass, the preservative accounts for 0.01-0.05% by mass, the stabilizer accounts for 0.0001-0.05% by mass of the diluent, and the pH value of the diluent is 7.4-7.8; according to the invention, the buffer solution, the osmotic pressure regulator and the preservative in the range are compounded, so that the formed diluent has excellent chemical and physical properties; by adding the stabilizer, the diluent can keep stable for a long time, the influence of micron-sized bubbles on detection is effectively reduced, and the detection accuracy and precision are improved.

The invention discloses an airport roof rainwater treatment monitoring system and method based on cloud computing, relates to the technical field of rainwater monitoring, and solves the technical problems that under extreme weather conditions such as rainstorm, a traditional drainage system is difficult to drain roof accumulated water quickly, accumulated water flooding may be caused, and normal operation of an airport is affected. The rainfall of the target area is predicted; determining a drainage pipeline combination according to the rainfall of the target area; obtaining the content of each element in the rainwater, and analyzing the water quality index of the rainwater; evaluating the pollution level of the rainwater based on the water quality index; based on the pollution level of the rainwater, different water qualities are conveyed to the corresponding reservoirs; based on the pollution level of the rainwater, different water quality is conveyed to the corresponding filter tanks; the device can quickly and effectively disperse and drain accumulated water on the roof, so that the pressure of the accumulated water on an airport building structure is reduced, and the service life of a building is prolonged.

The utility model discloses a universal instrument stand assembly structure based on a forklift, which comprises an instrument stand shell, a side plate and a bearing plate, the instrument stand shell and the bearing plate are quickly spliced through a plurality of mounting components, and a plurality of reinforcers are arranged on the back of the instrument stand shell; the mounting assembly comprises a counter bore formed in the front face of the instrument stand shell, a bolt is inserted into the counter bore, the back face of the end of the bolt is fixedly connected with a limiting spring, the surface of the bolt is in threaded connection with a pressing block, a locking assembly for locking the position of the pressing block is arranged on the pressing block, and a plurality of butt joint grooves are formed in the upper portion of the bearing plate. The utility model relates to the technical field of forklift instrument stands. According to the universal instrument stand assembly structure based on the forklift, when the instrument stand shell and the bearing plate are spliced, operation is conducted through the installation assembly, splicing of the instrument stand shell and the bearing plate can be completed on one side of the instrument stand, the installation tightness can be adjusted, and the practicability of the device in use is improved.

The invention discloses a blood detection device and a detection method thereof, and belongs to the technical field of medical instruments. A blood detection device comprises a workbench and further comprises a detection disc with a cavity, the detection disc is fixedly connected to the workbench, a shaking mixing mechanism is arranged in the cavity of the detection disc, and a containing hole is formed in the top of the detection disc; the device can continuously and softly shake an anticoagulant and blood in the blood collection tube, so that the phenomenon of blood coagulation caused by non-uniform mixing is avoided, medical staff can quickly and uniformly mix and softly shake the blood collection tube after blood collection, the phenomenon that the anticoagulant is not fully mixed is prevented, the local concentration uniformity is ensured, and the blood collection tube is prevented from being damaged. The blood collection tube can be shaken within several minutes after blood drawing, it is ensured that an anticoagulant can play a role in time, in this way, the follow-up waiting time of a patient can be shortened, and the workload of medical staff can be reduced.

The method comprises the steps that a plurality of supporting plates are arranged in the width direction of the working face at equal intervals, the supporting plates are all located between every two adjacent hydraulic supports, after the working face retracts by a certain distance, holes are drilled from a heat dissipation zone to an oxidation zone, and the drilling distance meets the nitrogen injection requirement of the goaf; the supporting plate is detachably connected with three nitrogen injection pipes at equal intervals in the height direction, the nitrogen injection pipes are matched with the corresponding drill holes, the ends, deviating from the supporting plate, of all the nitrogen injection pipes are inserted into the corresponding drill holes, then the other ends of the nitrogen injection pipes are connected with the supporting plate, and then all the nitrogen injection pipes are connected with nitrogen supply equipment. The nitrogen supply device injects liquid nitrogen or nitrogen into the oxidation zone through the nitrogen injection pipe, then rapid nitrogen injection of the oxidation zone is achieved in the height direction and the width direction of the goaf, the nitrogen injection uniformity of the oxidation zone of the goaf is guaranteed, the nitrogen is rapidly dispersed in the oxidation zone, and the fire preventing and extinguishing effect of nitrogen injection of the goaf during the working face withdrawing period is improved.

The invention relates to the technical field of adhesive tapes, and particularly discloses a double-sided adhesive tape with excellent weather resistance and a preparation method thereof.The double-sided adhesive tape comprises a first release film layer, a first adhesive layer, a base material layer, a second adhesive layer and a second release film layer, the adhesive layer is prepared from an adhesive through simple processes of coating, drying and the like, industrial production is easy, and the adhesive tape has good weather resistance. The adhesive is obtained by mixing an acrylate polymer, modified polyvinyl alcohol, a defoaming agent and a plasticizer, the acrylate polymer and the modified polyvinyl alcohol have excellent adhesive power and can be firmly adhered to various materials, the raw materials of the adhesive form a stable composite system through structural complementation, and through chemical bonding and physical effects, the adhesive can be firmly adhered to various materials. The comprehensive performance of the double-sided adhesive tape is further improved, and the double-sided adhesive tape has excellent toughness and stability, is not easy to age and fall off, and is improved in weather resistance, adhesion and tensile strength, so that the double-sided adhesive tape is more durable in the use process.

The utility model discloses a portable filtering oxygenation device based on ultramicro nano bubbles. A portable filtering oxygenation device based on ultramicro nano bubbles comprises at least one purifying cabin, a water inlet and a water outlet far away from the water inlet are formed in the purifying cabin, a plurality of filtering plates with through holes are arranged in the purifying cabin in the water flow direction, the purifying cabin is divided into a plurality of purifying cavities by the filtering plates, and the purifying cavities are communicated with the water inlet and the water outlet. A filter piece is arranged in each purification cavity; the oxygenation cabin is detachably connected with the purification cabin in a sealed mode, the oxygenation cabin is provided with an ultra-micro nano bubble generating device, and the ultra-micro nano bubble generating device is provided with a liquid inlet, an air inlet and a nozzle; a bubble release opening is formed in the oxygenation cabin; and the liquid inlet is connected with the water outlet. The ultramicro nano-bubble generating device can generate a large number of ultramicro nano-bubbles, the ultramicro nano-bubbles can stay in water for a long time, the concentration of dissolved oxygen in water is rapidly increased, the water quality is improved, and the stability of the dissolved oxygen degree and the water quality in a water tank and a culture pond is guaranteed.

The invention relates to the technical field of thin-wall bearing production equipment, and particularly discloses thin-wall bearing production equipment and a production technology.The thin-wall bearing production equipment comprises a rack, a mounting plate is arranged on the rack, a first guide rail, a second guide rail and a swing arm are arranged on the mounting plate, and a material guide arc plate is arranged on the second guide rail; a first cooling liquid spraying pipe and a second cooling liquid spraying pipe are arranged above the right side of the material guiding arc plate, an elastic piece is arranged in the middle of the material guiding arc plate, the first cooling liquid spraying pipe right faces the elastic piece of the material guiding arc plate, a fixing block is installed on the elastic piece, an elastic telescopic rod is connected to the bottom of the fixing block, and a fixing plate is arranged at the bottom of the elastic telescopic rod. Cooling liquid sprayed out of the first cooling liquid spraying pipe impacts the elastic piece, so that the elastic piece is sunken downwards, and the liquid is sputtered upwards. Sputtered liquid can fully wash the lower area of the bearing ring, so that cooling is more sufficient.

The invention provides a method for detecting environmental pollutants by using a dispersive liquid-liquid microextraction technology. The method is particularly suitable for detecting endocrine disrupters in a urine sample. According to the method, a proper amount of a NaCl solution, a dispersing agent acetonitrile and an extracting agent trichloromethane are added into a urine sample, and target pollutants are rapidly extracted; and after centrifugation and nitrogen blowing drying, redissolving by using a methanol-water mixed solution in a ratio of 1: 1, and finally detecting and quantitatively analyzing through UHPLC (Ultra High Performance Liquid Chromatography). Compared with liquid-liquid extraction and solid-phase extraction, the method has the characteristics of simplicity and convenience in operation, high extraction efficiency and high detection sensitivity, is suitable for detecting bisphenol compounds in various matrixes, conforms to the green chemistry principle, and reduces the use amount of organic solvents. The method can be widely applied to detection and analysis of trace pollutants in environmental samples, and provides reliable technical support for environmental monitoring and pollutant risk assessment.

The utility model provides foot bath powder rapid dissolving equipment which comprises a foot bath basin body and a connecting transverse plate, the upper surface of the connecting transverse plate is fixedly connected with a fixed cylinder, and the inner top wall of the fixed cylinder is fixedly provided with a rotating motor through a rack. According to the foot bath powder rapid dissolving equipment, the rotating motor, the coupler, the rotating main shaft, the first stirring blade and the second stirring blade are matched for use, and the rotating main shaft, the first stirring blade and the second stirring blade can be driven by the rotating motor to rotate, so that the foot bath powder and water in the foot bath basin body are stirred and mixed; according to the foot bath powder dissolving device, the effect of accelerating rapid dissolving of the foot bath powder is achieved, the dissolving speed of the foot bath powder in water can be increased, heat preservation can be conducted on water in the foot bath basin body in cooperation with use of a heating disc and a water stop plate, it is guaranteed that the water temperature is proper during dissolving, and it is guaranteed that traditional Chinese medicine can be rapidly and evenly dispersed in water after the foot bath powder is added.

The invention belongs to wastewater treatment equipment, and particularly relates to a multi-stage treatment device for industrial wastewater, which comprises a treatment pond, a rotating motor connected to a bracket at the upper end of the treatment pond, a rotating shaft at the lower end of the rotating motor extending to the lower end of the treatment pond, stirring blades arranged on the rotating shaft, a drain pipe arranged on one side of the treatment pond, and a vertical pipe arranged at the lower end of the treatment pond, a switch valve is arranged on the vertical pipe, a straight ladder is arranged on one side of the treatment tank, and the rotating shaft is sequentially provided with a stirring blade, a bubble type aerating assembly, a rotating blade assembly, a feeding mechanism, a drawing type aerating mechanism and a foam scraping assembly from bottom to top; according to the device, the stirring effect is improved, activated sludge is added through the feeding mechanism to be better combined with internal wastewater for reaction, the arranged bubble type air-entrapping assembly, a drawing type aeration mechanism and stirring blades are matched with an external air pump for aeration treatment, and a plurality of oxygen-entrapping devices are arranged, so that the wastewater is better contacted with oxygen, the wastewater treatment effect is improved, and the reaction time is shortened.

The invention discloses a nano-particle type thick oil viscosity reducer as well as a preparation method and application thereof, and belongs to the technical field of thick oil chemical additives. The preparation method comprises the following steps: dissolving 1 part of anhydrous citric acid, 2-2.7 parts of benzylamine and 0.3-1 part of octadecylamine in an ethanol solution according to a molar ratio, and uniformly stirring; then putting the mixture into a reaction kettle to react at a constant temperature of 180 DEG C, and cooling to obtain a crude product; and concentrating, dialyzing and purifying the crude product, and drying to obtain the nano-particle type thick oil viscosity reducer. According to the thick oil viscosity reducer, a polymer with a good viscosity reduction effect is formed through molecular design, and due to the fact that the molecular weight of the polymer is small, the polymer is in a nano-particle form on the microscopic scale, and based on the surface effect and the high specific surface area of nano-particles, the polymer has good dispersing performance and infiltration capacity; the nanometer effect further promotes the functional groups in the viscosity reducer molecules to depolymerize asphaltene aggregates in the thickened oil, and the viscosity reducer shows a good viscosity reduction effect. And the process is simple and easy to control, does not use toxic solvents, and is very environment-friendly.

The invention discloses a composite adjuvant, and belongs to the field of vaccine adjuvants. The main active components of the composite adjuvant are squalene, polysorbate 80 and monophosphoryl ester A, the composite adjuvant is in an oil-in-water emulsion form, nano-scale emulsion droplet particles are uniformly distributed in a water phase, and the system is stable. The invention also discloses a preparation method of the composite adjuvant based on a stirring method. The composite adjuvant comprehensively utilizes the dual characteristics of the oil-in-water emulsion and the immunopotentiator, and can induce a higher level of immunoreaction when being combined with the antigen, so that the composite adjuvant can be used for preparing vaccines and improving the effectiveness of the vaccines.

The invention relates to the technical field of magnesium powder transportation, in particular to a magnesium powder conveying device which comprises a material distributing tank and a conveying pipe, the conveying pipe is a turbulent flow double-sleeve pipe and comprises an outer sleeve pipe and an inner sleeve pipe connected to the top of the inner wall of the outer sleeve pipe, and openings evenly distributed in the conveying direction at intervals are formed in the bottom of the inner sleeve pipe; a ring set is fixedly connected into the inner sleeve and comprises a drainage ring and a stop ring, a mounting ring is elastically connected to the side, away from the conveying direction, of the stop ring, an iris mechanism is arranged in the mounting ring, and a flow guide plate is rotationally connected to the side, away from the conveying direction, of the mounting ring. A driving assembly I for driving the iris mechanism to change the size of the through hole and a driving assembly II for driving the flow guide plate to rotate are arranged on the inner sleeve. According to the magnesium powder conveying device, magnesium powder is not prone to being accumulated and agglomerated in the conveying pipe, and when the accumulation and blocking phenomena occur, the magnesium powder can be rapidly dispersed, the conveying pipe can be dredged, and normal conveying of powder is guaranteed.

The utility model discloses an aquaculture fry hatching device which comprises a water tank and a circulation tank, a first water pump is installed on one side of the circulation tank, a water pipe is connected to the bottom of the water tank, one end of the water pipe is connected to a water inlet of the first water pump, a second water pump is installed on one side of the circulation tank, and a water outlet of the second water pump is connected with a water hose. A nozzle is fixedly installed at one end of the water hose, a moving assembly used for supporting the nozzle is installed on one side of the water tank, a plurality of limiting blocks are fixedly installed on the inner side of the water tank, a roe box is slidably installed on the inner sides of the limiting blocks, a supporting piece abutting against the limiting blocks is installed on one side of the roe box, and a plurality of exchange holes are formed in the bottom face of the roe box. The moving assembly drives the spray head to move transversely, after nutrient substances are added into the circulation box, the spray head can spray water containing the nutrient substances to different positions in the water tank, and in the water circulation process, the water sprayed by the spray head can improve the dissolved oxygen content of the water in the water tank.

The invention discloses a pickling device for pork food processing, and belongs to the field of pickling devices.The pickling device comprises a pickling box arranged at the bottom of a liquid spraying barrel, a hot salt groove is formed in the bottom of an inner cavity of the pickling box, and a conveying belt supporting assembly is arranged on the side face of the inner cavity of the pickling box. Through the arrangement of a salt raising plate and a flexible leaf plate, the salt raising plate can be driven by an extrusion plate to repeatedly beat the conveying belt, salt in a hot salt tank can be sprayed to the bottom of a meat slice through seepage holes to pickle the meat slice, and meanwhile, redundant salt adhered to the meat slice can be beat down; in addition, the meat slices are beaten by a salt raising plate and a flexible leaf plate, so that rapid precipitation of water in the meat slices can be promoted, drying of skin of the meat slices for water and juice locking can be accelerated, excessive loss of water or juice in the meat slices and influence on taste due to dryness of the cooked meat slices can be avoided, and by adopting the device, the pickling efficiency of the meat slices can be effectively improved; meanwhile, after being pickled, the meat slices are suitable for air drying and water immersion pickling.

The invention relates to the technical field of insulated cables, in particular to a multifunctional overhead insulated cable, which comprises a plurality of groups of wire core conductors, a filling base layer arranged on the surfaces of the plurality of groups of wire core conductors, an insulating assembly, a heat conduction assembly and a protection assembly, through the insulation assembly, accumulation of heat in the cable is reduced, the heat can be rapidly absorbed through the heat absorption layer, meanwhile, the heat absorbed by the heat absorption layer can be further conducted outwards through the heat conduction assembly, the heat dissipation effect on the internal insulation layer and the wire core conductor is improved, and through the arranged protection assembly, when the cable is subjected to external pressure or impact, the protection effect is improved. The heat conduction assembly and the insulation assembly arranged inside are buffered and protected, the risks of aging and cracking of the insulation layer caused by expansion and stress concentration due to high temperature are effectively relieved, heat can be rapidly dispersed, the heat dissipation capability of the cable is improved, the electrical performance and safety are ensured, and the service life of the cable and related accessories is prolonged.

The invention discloses uniform mixing equipment for preparing antiviral oral liquid, and belongs to the technical field of pharmaceutical preparation production, the uniform mixing equipment comprises a mixing part, the mixing part comprises a mixing equipment main body, a stirring assembly for mixing liquid medicine is arranged in the mixing equipment main body, and a first sliding groove and a plurality of teeth are arranged in the mixing equipment main body; a buffer thin-wall layer for slowly conducting heat is arranged on the stirring assembly; the cooling part comprises a liquid conveying assembly and a cooling assembly which are arranged in the stirring assembly and is used for uniformly conveying a solvent and cooling a medicament in the mixing process, and through the collaborative design of rotation of a main stirring paddle and synchronous liquid spraying of a liquid outlet, purified water is uniformly dispersed to all positions of an inner cavity of the mixing tank body in the stirring process; the problems that local liquid medicine is too thick and is slowly dispersed due to traditional top single-point water adding are solved, the raw materials and the solvent can be rapidly and evenly mixed without long-time stirring, the mixing period is greatly shortened, and meanwhile heat accumulation generated by long-time stirring is reduced.