7880 results about "Liquid storage tank" patented technology

An electric-cigarette undertaking nanometer dimension fineness space heating pulverization to nicotine solution comprises a cigarette pole and a cigarette holder connected with the front end of the cigarette pole. The cigarette pole is a hollow rod shape cigarette pole welded with a plug at the back end. The intracavity of the cigarette pole is provided with a rechargeable battery, a liquid storage tank for storing nicotine solution, an imbibition liquid core arranged at the front end of the liquid storage tank and contacted with the nicotine solution, and a heater of space heating pulverization arranged inside the heating cavity positioned in the front part of the cigarette pole. The wall of the cigarette pole corresponding to the liquid storage tank is provided with a liquid inlet communicated with the liquid storage tank. Any place of the wall of the cigarette pole is provided with an electric heating switch. The center of the cigarette holder is provided with a hollow pipe which extends into the cigarette pole. The wall of front part of the cigarette holder is provided with a piezoelectric press sensor. The back end of the cigarette pole is provided with a recharging connection device which can charge the rechargeable battery through outer power. The piezoelectric press sensor is communicated with the rechargeable battery all the time. The electric heating switch, the piezoelectric press sensor and the rechargeable battery constitute a circuit loop. The invention has the advantages of convenient assembly and installation, easy carry, wide application and convenient use.

The invention relates to a multichannel micro-fluidic chip specially used for AIDS diagnosis and comprising quasi-one-dimensional sensitive electrodes, belonging to the field of test. One of the hopes in the progress of medical techniques is to quickly diagnose AIDS at low cost. The invention provides a micro-fluidic chip that uses a plurality of AIDS characteristic antibodies to simultaneously detect and quickly diagnose AIDS. The chip is provided with three micro liquid storage tanks. The key points of the proposal lie in that the inner of the chip contains capillary channels of parallel structure, the parallel structure contains four micro-channels mutually connected in parallel, four working electrodes of bead string structure in total are respectively arranged in the four micro-channels, the substances on the superficial coats of the four working electrodes of bead string structure are respectively four antibody substances, namely, AIDS antibodies p24, gp41, gp120 and gp36. The application of the chip is conducive to increasing the diagnosis efficiency of AIDS as shown by the structural characteristics.

The invention relates to a special micro-fluidic chip for cholera diagnosis with one-dimensional self-assembly magnetic bead chain electrodes, belonging to the field of testing. Rapid diagnosis of fulminating infectious disease cholera with low cost is one of many expectations in the development of medical technology, and the invention provides a micro-fluidic chip for simultaneously detecting and rapidly diagnosing cholera by using multiple characteristic antibodies of cholera. The chip is provided with three micro liquid storage tanks, and the invention is characterized in that capillary passages in parallel configuration contain in the chip, the parallel configuration contains four micro-passages that are mutually in parallel, four magnetic bead chain working electrodes are respectively installed inside the four micro-passages, the surface substances of the four magnetic bead chain working electrodes are respectively four antibody substances that are cholera TP0821 antibody, cholera TP0319 antibody, cholera TP0624 antibody and cholera O139 mycoprotein antibody. The integrated structure and the appearances of specific magnetic bead chain working electrodes facilitate to improve the diagnosis efficiency of cholera diseases.

The invention relates to a multi-channel chip for cholera diagnosis based on a structural conductive macromolecular material technology, belonging to the test field. The invention aims to aid rapid and low-cost fulminating infectious disease cholera diagnosis which is one of medical technical progress expectations. The chip is provided with three micro liquid storage tanks and is characterized bycomprising capillary channels in parallel construction containing four micro channels mutually connected in parallel; four fibrous working electrodes are respectively mounted in the four micro channels; and four antibody substances, i.e. a cholera TP0821 antibody, a cholera TP0319 antibody, a cholera TP 0624 antibody and a cholera TP0139 antibody are respectively arranged on the surfaces of the four fibrous working electrodes which are originally made of a thermal-decomposition conductive macromolecular material. The chip has low cost and multiple channels.

The vibrating electrostatic spinning set for nanometer fiber includes one container for holding spinning solution or melt, one high voltage electrostatic generator, one ultrasonic generator, and one piezoelectric sensor. The container is one cubic liquid storage tank with upper opening; and the piezoelectric sensor is set in the bottom of the tank and connected with the ultrasonic generator outside the tank. Over the liquid storage tank, there are one nanometer fiber conveyer and one nanometer fiber receiver, the conveyer includes guide roll, earthed electrode and conducting plate connected to the earthed electrode to form the negative pole; one electrostatic field is formed between the negative pole and the solution or melt inside the tank connected through electric plate to the high voltage electrostatic generator; and the receiver is one receiving screen. The present invention is used for producing nanometer fiber and has high production efficiency.

The invention provides a method for preparing drug sustained release nanofibers. The method is characterized by including the specific steps that (1) drug-carried micro-spheres are arranged in an organic solvent to be evenly stirred and vibrated to obtain core layer spinning solutions; (2) degradable solutes and volatile solvents are evenly mixed to prepare surface-layer spinning solutions; (3) the surface-layer spinning solutions and the core layer spinning solutions are injected into a surface-layer liquid storage tank and a core layer liquid storage tank of a coaxial spinning jet respectively, coaxial electrostatic spinning is carried out at the room temperature, and the volatile solvents in the surface-layer spinning solutions volatilize to form through holes in the spinning process to obtain the drug sustained release nanofibers with the porous surface layer and the drug-carried micro-sphere wrapped core layer. By means of the method, the obvious multi-stage drug release system is achieved, and the drug-carried micro-spheres are released in the core layer firstly to enter a hole channel in the surface layer and finally enter damaged target components of the nanofibers to give play to drug effects. The method is simple in operation and gentle in reaction condition. A drug sustained release curve is well controlled, and the drug using efficiency is improved.

A modular sprayer system for use with heavy-lift unmanned aerial vehicles includes a liquid storage tank for receiving and storing any type of agricultural products. A mounting unit is located along the top of the tank and includes hardware for securing the system to a UAV. Skid-type landing gear is permanently secured to the outside of the tank, and an electric pump is disposed within the tank. The location of the pump dampens movement of fluid within the tank during flight. One or more elongated booms are in fluid communication with the pump and terminate into dispensing units having one or more nozzles for releasing the fluid. A control unit is in electrical communication with one or both of the UAV to which the system is secured and a system operator. A tank level sensor and imaging systems are communicatively linked with the control unit.

The invention discloses an oil sludge cleaning and processing system for an oil tank. The oil sludge cleaning and processing system comprises a cleaning system, an oil sludge processing system and an integrated control system, wherein the cleaning system comprises a cleaning robot, an electric hydraulic pump, a water pump, an inert gas storage tank and a screw pump; the cleaning robot comprises a machine body, a traveling unit, a cleaning unit, a robot cleaning control unit, a sensing and communication unit and a robot power supply unit; the oil sludge processing system comprises an oil sludge processing device, an oil sludge processing control system and an oil sludge processing power supply device; the oil sludge processing device comprises a stirring machine, an ultrasonic emulsion breaking device, a centrifuge and an ultrafiltration system, as well as an oil sludge storage pool, a sludge pool, a centrifugal liquid storage tank, a concentration tank and a filtrate pool; a funnel is arranged on the stirring machine; and the integrated control system comprises an integrated control computer and a communication circuit module. The oil sludge cleaning and processing system disclosed by the invention has the advantages of reasonable design and high degree of intelligentization, and can realize comprehensive cleaning of the oil tank, good safety, fast oil sludge processing speed and resource utilization of oil sludge, and further reduce environmental pollution and waste of resources.

The invention discloses a quick resin forming method based on an LCD (liquid crystal display) selective regional light transmission principle, belonging to the technical field of quick formation. The method is characterized by comprising the following steps: putting a resin liquid storage tank above an LCD screen, exposing layer by layer by adopting a contact exposure method, and putting a Fresnel lens between the LCD screen and a light source, wherein the thickness of each layer during curing is 200 microns to 400 microns, namely after the layer is exposed and cured, a forming piece supporting plate correspondingly moves up by 200 microns to 400 microns under the control of a Z-axis motion system, the curing time of the layer is 1 second to 8 seconds, and a model is washed by an organic solvent after being cured completely; the light source is a high-power LED light source; a glass substrate coated with silica gel is arranged at the bottom of the resin liquid storage tank, so that curing resin can be conveniently separated from the substrate. According to the method, the forming precision is high, the cost is low, and the curing time is quick. In addition, the LED light source is easy to replace, the power is adjustable; different types of resin can be cured and formed.

The invention discloses a device and a method of preparing an electrostatic spinning polymer/inorganic particle nano-composite film. The device of preparing the electrostatic spinning polymer/inorganic particle nano-composite film comprises an injector, an injection pump, a dipping tank, a receiving roller, a motor, a high-voltage power supply and a polymer spinning liquid storage tank. The preparation method comprises a step of preparing the electrostatic spinning polymer/inorganic particle nano-composite film by adopting a method of preforming electrostatic spinning while carrying out dipping adsorption, inorganic nano-particles are attached on the surfaces of the fibers, an ultra-strong adsorption character of inorganic nanometer materials is fully exerted, and on-line continuous preparation of the electrostatic spinning nano-composite film is realized with a simple operation process. In addition, an optional range of impregnation liquid is flexible, different inorganic nano-particles can be adsorbed on the electrostatic spinning film according to the actual requirement, so that all kinds of functional nano-composite films can be prepared, and the application range is wide.

The invention discloses an air-cooling thermotube-type machine room air-conditioning system which comprises a compressor, a first air cooling condenser, a throttling set, an evaporative condenser, a liquid storage tank, a flow balance valve, a tail end heat exchanger, a bubble pump, a first refrigerant changeover valve, a second refrigerant changeover valve and a second air cooling condenser, wherein the high-pressure exhaust port of the compressor is orderly connected with the first air cooling condenser, the throttling set, the evaporation side of the evaporative condenser, and the low-pressure air suction inlet of the compressor, thereby forming a compression refrigerating cycle loop; the condensing side outlet of the evaporative condenser is orderly connected with the liquid storage tank, the flow balance valve, the tail end heat exchanger, the bubble pump, the first refrigerant changeover valve, and the condensing side inlet of the evaporative condenser; and the outlet of the tail end heat exchanger is orderly connected with the second refrigerant changeover valve, the second air cooling condenser, and the inlet of the liquid storage tank, thereby forming a thermotube refrigerating cycle loop. The system has the advantages of small temperature difference and high energy efficiency ratio during heat exchange.

The invention relates to a liquid storage tank pressurized urea solution metering injection system for a diesel vehicle, which comprises a liquid storage tank, an injector, an air storage tank, a first electromagnetic valve, a second electromagnetic valve, a Venturi pipe, a mixer and a control device, wherein the mixer comprises an inlet and an outlet which is opposite to the inlet and is communicated with the inlet, the injector is installed in the side wall of the mixer, the air storage tank is respectively in air-path connection with the second electromagnetic valve and the liquid storage tank through the first electromagnetic valve, the liquid storage tank is communicated with liquid in the injector, the second electromagnetic valve is in air-path connection with the Venturi pipe, the Venturi pipe is in air-path communication with the inlet of the mixer, the control device is electrically connected with the first electromagnetic valve, the second electromagnetic valve and the injector, and preferably, the liquid storage tank pressurized urea solution metering injection system also comprises safety control parts including a primary pressure reducing valve, a secondary pressure reducing valve, a liquid level sensor, a first temperature sensor, a first pressure sensor, and the like. The liquid storage tank pressurized urea solution metering injection system has artful design, simple structure, low cost, good reliability, safety and energy saving, is convenient to integrate into diesel engine tail gas post treatment, and is suitable for large-scale popularization and application.

The invention provides a thermal management system and method for a power battery pack. The system comprises a heat pump device and a thermal management unit, wherein the heat pump device comprises a closed loop formed by a compressor, a four-way valve and a liquid storage tank, wherein the four-way valve is arranged between the compressor and the liquid storage tank; the thermal management unit comprises a heat exchange unit and a switching unit, the heat exchange unit comprises an out-car heat exchanger and an in-battery compartment heat exchanger, the switching unit comprises a heating expansion valve and a refrigeration expansion valve, and the four-way valve is connected with the out-car heat exchanger; the heating expansion valve, the refrigeration expansion valve and the in-battery compartment heat exchanger are connected with the out-car heat exchanger in sequence, and the in-battery compartment heat exchanger is further connected to the four-way valve to form a thermal management loop. According to the thermal management system and method for the power battery pack provided by the invention, the heat pump technology is applied to the thermal management of the power battery pack, so that the battery pack can work at the proper environmental temperature, and the unification of the heating and cooling thermal management can be realized.

The invention discloses an electric automobile battery pack heat management system and a working method thereof. The electric automobile battery pack heat management system comprises an in-box liquid circulating path located inside a battery box body, and an out-box liquid circulating path located outside the battery box body, wherein the in-box liquid circulating path comprises a heating unit A, a heat exchanger A, a hydraulic pump A, a three-way valve A and a flow distribution unit; the out-box liquid circulating path comprises a fuel heater, a switching valve, a switching valve C, a heat exchanger B, a switching valve A, a three-way valve B, a heat radiator, an air conditioning system, a liquid storage tank and a switching valve D. A battery system keeps a good working temprature all the time in a charging state and different driving states, and the temperature balance among single battery bodies is guaranteed and the heat management energy consumption of the battery system is reduced, so that the battery system is subjected to heat management in a reasonable heat management manner in different vehicle states, the service life of the battery system is prolonged, and the use cost and the whole vehicle energy consumption of batteries of an electric vehicle are reduced.

The invention discloses a printing device for a three-dimensional biological structure. The printing device comprises an execution unit with a liquid supply system, and a control unit, wherein the liquid supply system comprises an air compressor, an air capacitor communicated with an air outlet of the air compressor, and a liquid storage tank; a liquid outlet of the liquid storage tank is communicated with a liquid inlet of a spray head; a liquid inlet of the liquid storage tank is communicated with an air outlet of the air capacitor; a pressure reducing valve is arranged on a pipeline between the liquid storage tank and the air capacitor; the opening degree of the pressure reducing valve can be adjusted, and thus liquid drops at a spray nozzle of the spray head are enabled to not drop off; the height of the liquid storage tank can be adjusted, and thus the lowest end of a liquid level at the spray nozzle of the spray head is leveled with the spray nozzle of the spray head. The printing device disclosed by the invention can be widely applied to forming of biological scaffolds with various shapes, can be used for printing vascular structures and has the advantages of high printing precision, simpleness in operation, low cost and the like. Due to the adoption of the design of a replaceable clamp, a replaceable working face and a replaceable Z-shaped mounting plate, the printing device can be used for printing biological structures with different sizes and different tissue materials.

The invention relates to a novel battery system which can reduce leakage current of a redox flow battery and improve the charge-discharge performance of the battery. Each of a positive pole liquid storage tank and a negative pole liquid storage tank is completely isolated into an upper part and a lower part by a partition plate respectively. Firstly, positive pole electrolyte flows from a positive pole pump, flows through the battery and flows back to the upper half part of the positive pole liquid storage tank, when liquid level achieves a liquid level induction device, a valve is opened automatically, the valve is closed automatically after completing discharge of the electrolyte, the circulation is performed in such a way, and a pressure balancing pipe is shown in the figure. In a similar way, the operation way on the side of a negative pole is as that of a positive pole. By adopting the method, a main loop of the electrolyte above 90% of time is in cut-off state, and the leakage current can be further reduced (when multiple storage tanks and multiple spaces are adopted, the leakage current of the main loop can be cut off by 100%). Simultaneously, by adopting the intermittent-like charge-discharge way, the impacts of differential concentration polarization can be reduced, and the SOC (state of charge)/SOD (state of discharge) state of the redox flow battery can be improved.

A zinc bromine single flow cell is composed of a cell module, negative electrode electrolyte, a negative electrode liquid storage tank, a circulating pump and a circulating line. A static state packaging structure is adopted by a positive electrode side and assembly of a positive electrode bromine electrolyte circulating system is needless. Single flow arrangement is adopted by a system so that compared with a traditional zinc bromine flow cell with positive and negative double flow circulation, a set of circulating pump and circulating line is reduced. A sealing structure is adopted by the positive electrode side so that the problems of corrosion and leakage of bromine are solved, system energy consumption of the cell is reduced, cost is reduced and cell structure is simplified. Compared with a zinc bromine storage cell without a circulating system, due to the fact that a flow state electrolyte form is still adopted by the negative electrode side, zinc deposition structure is advanced, energy efficiency of the cell is improved and service life of the cell is prolonged.

A liquid-drop discharge device is provided including a float cell provided with a valve and communicating to a liquid storage tank, a liquid discharge mechanism for discharging liquid within the float cell, and a reaction cell provided with a space into which fluid is discharged from the liquid discharge mechanism for collecting the discharged fluid. Air is supplied to the reaction cell for collecting liquid or minute particles, and an internal pressure P1 of the liquid storage tank or the float cell and an internal pressure P3 of the reaction cell are set such that a relationship of P1=P3, in which the pressures are identical to atmospheric pressure, or P1>P3, to supply stronger air, is satisfied.

The invention relates to an air-conditioning unit device by heat-moisture subsection treatment and an air treating method thereof. The air treating method is divided into two parts, wherein, the air treating method of heat-moisture subsection treatment comprises that: indoor return air and fresh air are mixed, exchange heat with high-temperature cooling water through a first surface air cooler (3) first, reduces to the dew-point temperature through constant wetness, removes most of sensible heat load and enters to a second surface air cooler (4); in the second surface air cooler (4), air and low-temperature cooling water further exchange heat, are cooled, generate condensed water and remove the sensible heat load; the air after temperature reduction and dehumidification is treated to an air feeding state point by a heater (5) and a humidifier (6), finally pressurized by a blower (7) and sent to an air-conditioning room; the air-conditioning unit device adopts the following method that: refrigerant in a first water chiller unit is compressed and discharged by a first compressor (11) and enters a condenser (12) for condensation, then passes through a first liquid storage tank (13) and a first filter (14), is throttled and depressurized by a first electronic expansion valve (15) and enters a first evaporator (10) for heat exchange with cooling water.

The invention relate to the field of medical detection, particularly relates to a micro-fluid cytometer and a manufacture method thereof, and solves the technical problems that the traditional cytometer at present is huge in size, high in price and particularly high in mutual infection rate. The micro-fluid cytometer mainly comprises a micro-fluid chip and a specially-made external detection component, wherein a sample channel, a focusing detection channel and a sheath flow liquid storage tank are arranged on the micro-fluid chip; a sample preprocessing region and a buffer region for carrying out concentrating processing on to-be-detected cell sap are integrated in the sample channel; and a micro-column array is arranged in the sample preprocessing region. The manufacture method of the micro-fluid cytometer comprises the following steps of: manufacturing micro-fluid channels, and manufacturing and bonding a cover plate of the micro-fluid chip. According to the micro-fluid cytometer and the manufacture method thereof, the products are integrally microminiaturized, the cost is low, the concentrating processing on the to-be-detected cell sap in the chip can be realized, the micro-fluid cytometer is disposable, each sample is measured at one time, and the problem of interaction effects among the samples is completely avoided.

The invention discloses a supercritical water oxidation treatment system for printing and dyeing wastewater and sludge. The system comprises a concentration pretreatment device, a supercritical water oxidation device, an oxidizing agent supply device and a wastewater recycling system, wherein the concentration pretreatment device comprises a waste liquid storage tank, a nanofiltration membrane concentration module and a printing and dyeing sludge storage pool, the oxidizing agent supply device comprises a liquid oxygen storage tank, a liquid oxygen gasifier and a buffer tank, and the supercritical water oxidization device comprises an auxiliary heating supercritical water oxidization reactor, a methyl alcohol starting preheater, a methyl alcohol preheater and a waste liquid preheater. The system can be used for realizing efficient, clean and harmless treatment of high-concentration printing and dyeing wastewater and sludge at low cost.

The invention relates to an evaluation method for end part effects of a seepage flow field. According to the invention, special core nuclear magnetic resonance equipment is adopted to detect the distribution of a fluid flow field at the end part of a core to obtain an image of the forming process of the end part effect of the core. The method comprises the following steps: after the length, width, weight of the core are measured, the core is placed into salt water and is subjected to vacuumizing saturation by a vacuum vessel; the core is put into a rubber tube, is subjected to thermoplastic processing, then is put in a special clamp holder, and is put in a nuclear magnetic resonance test coil; two liquid storage tanks are respectively filled with two types of prepared displacement fluid; an MRI (Magnetic Resonance Imaging) and core application as well as displacement software is started up for recording core and displacement fluid data; the flow is adjusted well, the first type of displacement fluid is displaced in a certain pore volume until outlet liquid is anhydrous, then a pump is stopped, the flow is backward operated, and the second type of displacement fluid is adopted for displacement; a two-dimensional image of the core and fluid as well as a T2 spectrum is measured and recorded when PV numbers are different, and displacement is stopped when the PV numbers do not change; and the data is processed to obtain a signal cloud image of the fluid flow field at the end part of the core at different times.

The invention discloses a solid-liquid separating device for kitchen wastes, which is used for the preliminary treatment of the resource utilization of the kitchen wastes. The invention can effectively separate the kitchen wastes into oil, water and solid matters and can further carry out separate treatment and decrement transportation to shorten the dwell time of the kitchen wastes from production to collection, transportation and treatment, control contamination at a source, reduce the loss of raw materials caused by rottenness and deterioration, and reduce the environmental pollution. The solid-liquid separating device for the kitchen wastes is of a totally sealed structure; and a main component comprises a feeding cylinder, an oil-water separator, a solid-liquid separator, a liquid storage tank, a transmission device, and the like. The invention has the advantages of simple structure, convenient operation, little power consumption, and the like, can effectively achieve the intermediate dehydration and the oil removal of raw materials of the kitchen wastes, and satisfies the demands on the post-treatment and the utilization of solid materials, thereby effectively improving the efficiency of the further resource utilization of the kitchen wastes.

The invention discloses an industrial device for continuously producing graphene powder and a method thereof. The device comprises a liquid storage tank, a flow valve, a plurality of ultrasonic processors, a microwave reaction kettle, a vibrating screen, a mixing tank, a reservoir, a booster pump, a spray drying tower and a cyclone centrifuge. The method for preparing graphene comprises the following steps: adjusting the surface tension by controlling the proportion of a dispersant, thus obtaining evenly dispersed grapheme through the synergistic effect of continuous ultrasonic and micro waves after evenly mixing with graphite; adding a bonding solution to graphene dispersion liquid to prepare slurry; carrying out spray drying and pelleting on the slurry by adopting centrifugal spray drying equipment. Large-scale production of the graphene is achieved by adopting a continuous ultrasonic-micro wave combined mode, pelleting of the graphene can be achieved by combining with spray drying, the environmental pollution is reduced, and transportation and application are facilitated.

The invention provides an air conditioning system and a cold media adjusting method of the air conditioning system. The air conditioning system comprises an air conditioner; a detector, which is used for detecting working parameter when the air conditioner is in running; a cold media adjusting device, which comprises a first electromagnetic valve and a second electromagnetic valve; a liquid storage tank, of which inlet is connected to a pipeline between an outdoor heat exchanger and a throttle device through the first electromagnetic valve, and outlet is connected to a pipeline between a gas-liquid separator and a four-way valve through the second electromagnetic valve; a controller, which is respectively connected with the detector, the first electromagnetic valve and the second electromagnetic valve, and adjusts the cold media amount in a cold media circulating loop through controlling the first electromagnetic valve and the second electromagnetic valve when it judges that the cold media amount in the cold media circulating loop not satisfies the preset conditions according to the working parameter. The air conditioning system and the cold media adjusting method of the air conditioning system can adjust the cold media amount specific to loads under different working conditions, improve the running reliability, and improve the using comfort level.

The invention discloses a hydrogen fuel cell system. The hydrogen fuel cell system comprises an electric pile module, a cooling module and an air supply module, wherein the electric pile module is provided with a cooling liquid inlet and a cooling liquid outlet which are connected with the cooling module; the cooling module comprises a liquid storage tank, a water pump, a radiator and a thermostat; the air supply module comprises an air compressor, an intercooler and a humidifier which are connected in sequence; the humidifier is connected with the electric pile module; the outlet of the thermostat is connected with a pile inlet module; a heat dissipation pipe is arranged in the intercooler; the inlet of the heat dissipation pipe is connected with the outlet of the thermostat; and the outlet of the heat dissipation pipe is connected with the inlet of the water pump. The temperature in the electric pile module is maintained by fully utilizing the heat energy generated in the air supplymodule and the function of flexibly adjusting the flow of the thermostat, and the hydrogen fuel cell system can be quickly adapted no matter in a hot environment or a cold environment, so that the hydrogen fuel cell system has wide popularization and application values.

The invention relates to a visual dynamic simulating device for deposition in a gas hydrate pipeline, which is used for simulating the generation, the transportation and the deposition of gas hydrate in high-pressure high-speed air flow and can be used for summarizing the high-speed motion characteristic, the transportation mechanism and the deposition rule of a pipeline gas-solid phase. The invention has the technical schemes that: the top end of a low-pressure gas storage tank is provided with a temperature sensor and a pressure sensor, the outlet end of the low-pressure gas storage tank is connected with a high-pressure gas pump and then is connected with a high-pressure gas storage tank, and the top end of the high-pressure gas storage tank is provided with a pressure sensor; the outlet end of a liquid storage tank is connected with a metering pump, and the upper end of a gas-liquid separator is connected with a vacuum pump and a tail gas treating device; the top end of a high-pressure reaction tube is connected with an outlet electrical heating insulation pipeline, and the bottom end of the high-pressure reaction tube is provided with a pressure sensor and an inlet electrical heating insulation pipeline; and a data acquisition system is formed by a data acquisition card, a computer, a cold light source and a high-speed camera, and a pipeline temperature attitude control system is additionally arranged. According to the visual dynamic simulating device disclosed by the invention, the generation process, the transportation process and the deposition process of the gas hydrate in the high-pressure high-speed air flow can be really simulated, and the visual dynamic simulating device is used for evaluating a gas hydrate inhibitor.

The invention discloses an automatic bearing washing machine which comprises a box. The top end of the inner wall of the box is sequentially provided with a liquid storage tank, an electric stretchable rod and a water storage tank from left to right; one side of the liquid storage tank is fixedly connected with the top of the inner wall of the box, an output port of the liquid storage tank is communicated with a water inlet port of a first water pump through a pipe, and a water outlet port of the first water pump is communicated with a water inlet port of a first spraying nozzle through a pipe; and one side of the water storage tank is fixedly connected with the top of the inner wall of the box, and an output port of the water storage tank is communicated with a water inlet port of a second water pump through a pipe. According to the automatic bearing washing machine, washing liquid is sprayed out through the first water pump from the first spraying nozzle, water is sprayed out through the second water pump from a second spraying nozzle, a first motor drives a hairbrush at the bottom to do washing work while the washing liquid and the water are sprayed out from the first spraying nozzle and the second spraying nozzle correspondingly, the automatic bearing washing effect is achieved, the automatic bearing washing machine is high in working efficiency and thorough in washing, and the labor force is reduced.

The invention discloses a high-efficiency disinfectant spraying device used at a construction site, and relates to the technical field of environmental protection equipment. The high-efficiency disinfectant spraying device comprises a support bottom plate and a liquid storage tank and a compression cylinder fixed on the support bottom plate, wherein a liquid inlet pipe is arranged between the liquid storage tank and the compression cylinder in a communicating manner, a check valve I is installed on the liquid inlet pipe, a liquid outlet hose is arranged on the compression cylinder in a communicating manner, a check valve II is installed on the liquid discharge hose, a piston pressure plate is arranged vertically in the compression cylinder in a reciprocating sliding manner, the bottom of the support bottom plate is rotatably provided with a plurality of walking wheels. In the spraying device, a worm gear rotates to drive a transmission rod to make a piston rod do reciprocating movementup and down, thereby realizing the reciprocating movement of the piston pressure plate in the compression cylinder, and driving a spray tray to spray a disinfectant rightward intermittently; at the same time, an incomplete gear and a spur rack are meshed intermittently to drive the spray tray to make reciprocating motion up and down, thereby expanding the disinfectant spraying range of the spraytray, and bringing the disinfection effect of the disinfectant into full play.

The invention discloses an indirect air cooling method and a system with the working fluid of parallel-connected obverse and inverse refrigeration cycles. Based on the phase transition in the working fluid cooling process, a double-phase transition heat exchanger and a single-phase transition heat exchanger are respectively coupled with an obverse refrigeration cycle and an inverse refrigeration cycle which are connected in parallel; the saturated gaseous refrigerant from the phase-transition heat exchangers is compressed, boosted and then sent to an air-cooled radiator for exothermic condensation, then the condensed refrigerant enters a liquid storage tank and is decompressed through a throttle valve and sent to the phase-transition heat exchangers so as to complete the obverse refrigeration cycle; or the saturated gaseous refrigerant from the phase-transition heat exchangers is throttled and decompressed through a thermal expansion valve and then sent to the air-cooled radiator and the liquid storage tank, pressurized by a booster pump and finally sent back to the phase-transition heat exchangers so as to complete the inverse refrigeration cycle. The method and the system can be widely applied to the cooling systems of the condensers in thermal power, nuclear power and other turbine-generator units or the cooling systems of the intercoolers in petroleum, chemical and other industries to reduce energy consumption, save investments, as well as improve water-saving rate and the adaptability of the cooling system to the environment; therefore, the method and the system are provided with promotional values and can produce larger social environmental benefits and economic benefits after implementation.