14612 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.

A humidifier includes a base defining a reservoir for retaining liquid, a humidification device for inducing dispersion of liquid withdrawn from the reservoir into the environment and a liquid storage tank having an outlet for feeding liquid into the reservoir. The humidification device includes a heated disc for evaporating a stream of liquid delivered from the reservoir to the heated disc by a delivery mechanism. The delivery mechanism may deliver the stream of liquid as a mist, a thin film or a controlled stream of liquid onto the disc.

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.

The present invention discloses an organic phase dual flow battery, which comprises at least a battery monomer, wherein the battery monomer comprises a positive electrode and a negative electrode, the positive electrode and the negative electrode are respectively connected with a positive electrode terminal and a negative electrode terminal, a separation membrane is arranged between the positive electrode and the negative electrode, a positive electrode flow channel is arranged between the separation membrane and the positive electrode, a negative electrode flow channel is arranged between the separation membrane and the negative electrode, the positive electrode flow channel is filled with a positive electrode electrolyte liquid, the negative electrode flow channel is filled with a negative electrode electrolyte liquid, both ends of the positive electrode flow channel are respectively communicated with a positive electrode electrolyte liquid storage tank, both ends of the negative electrode flow channel are respectively communicated with a negative electrode electrolyte liquid storage tank, an active substance of the positive electrode electrolyte liquid is ferrocene or a derivative thereof, and an active substance of the negative electrode electrolyte liquid is anthraquinone or a derivative thereof. The organic phase dual flow battery of the anthraquinone or the derivative thereof / the ferrocene or the derivative thereof has advantages of simple manufacturing process, low cost, high cycle life and the like, has characteristics of high energy density, high power density and high energy utilization efficiency, and can be widely used in electric power, transportation, electronics and other industries.

The invention provides a spray-type evaporative cooling and circulating system of a heating device. A plurality of element seal boxes (110) are arranged in a heating device cabinet (120), a control valve (20) is arranged between a liquid storage tank (10) and a circulating pump (30), a filter (40) is arranged on the front end of a liquid distributor (50), the liquid distributor (50) is arrange on any position in the heating device cabinet (120), a plurality of nozzles (60) are installed on the liquid distributor (50), and one end of a gas collecting tube (70) is connected with the element seal boxes (110). After an evaporative cooling medium atomized by the nozzles (60) exchanges heat with a heating unit (80), the liquid part in the evaporative cooling medium returns to the liquid storage tank (10) through a liquid return tube (100), the evaporated evaporative cooling medium rises to a condenser (90) through the gas collecting tube (70), is condensed by the condenser (90) to become liquid, and returns to the liquid storage tank (10) through the liquid return tube (100).

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 a device and a method for preparing polysulfonamide nanometer fiber nets by means of airflow-electrostatic combination. The device comprises a liquid storage tank, an air chamber, an electrostatic generator and a receiving device, a plurality of spinnerets are arranged at the bottom of the liquid storage tank, the air chamber is arranged outside the liquid storage tank, air outlets in the number equal to that of the spinnerets at the bottom of the liquid storage tank are arranged at the bottom of the air chamber, the spinnerets are arranged inside the air outlets, an electrode with multiple pins are led from the positive electrode of the electrostatic generator to be connected with the spinnerets, and a lead is led from the negative electrode of the electrostatic generator to be connected with the receiving device. The method includes steps of combining the airflow method and the electrostatic spinning method effectively to prepare the polysulfonamide nanometer fiber nets. By the device and the method for preparing the polysulfonamide nanometer fiber nets, the specific surface area of the polysulfonamide nanometer fibers is enlarged greatly, the problem of blockage of existing electrostatic spinning needles due to inflow of the airflow is alleviated greatly, and spinning efficiency is improved. Besides, nanometer fibers can be prepared at the normal temperature directly, so that production procedures are simplified and production cost is saved.

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.

A porous bubble electrostatic spinning device comprises a liquid storage tank, a high pressure electrostatic generator, an air pump, a sprayer, and a dash receiver, wherein the sprayer is connected with the air pump through an air duct, the dash receiver is connected with a grounded electrode, an opening is arranged at the upper end of the liquid storage tank, the liquid storage tank is connected with the high pressure electrostatic generator through a metal electrode, the liquid storage tank is internally provided with a middle flat plate, and a plurality of small holes with adjustable diameters are formed in the middle flat plate in a penetrating way. As the small holes are formed in the middle flat plate, solution in the liquid storage tank generates a large quantity of bubbles through the plurality of small holes under the action of the air pump. When filed stress is greater than surface tension of the solution, and jet flow is ejected from the top of the bubbles and is deposited on the dash receiver to form a large amount of nanofiber. The porous bubble electrostatic spinning device can produce the nanofiber in a large scale, so that according to the device, the production efficiency is high, the production cost is low, the equipment is simple, the operation is easy, the adaptability is high and the requirement of batch production can be met.

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 belongs to the technical field of paper deacidification, and specifically relates to a paper deacidification agent, and a paper deacidification system and a paper deacidification method thereof. The paper deacidification agent comprises nanometer oxide particles, a silane coupling agent and n-perfluorooctane liquid, wherein the nanometer oxide particles are suspended in the n-perfluorooctane liquid after coated by the silane coupling agent, and the nanometer oxide particles can also be replaced by nanometer magnesium hydroxide particles. The paper deacidification system comprises a deacidification liquid storage tank, a centrifugation pump, a deacidification device and a circulation device which are in successive connection, wherein the outlet of the circulation device is respectively connected with the inlet of the deacidification liquid storage tank and the inlet of the deacidification device; a circulation loop is formed between the deacidification device and the circulation device; and the deacidification device is also connected with the deacidification liquid storage tank via a deacidification liquid recovery device. The paper deacidification method comprises the following steps: putting a literature into the deacidification device, then pumping the paper deacidification agent into the deacidification device, shaking the literature, subjecting deacidification liquid to circulation, pumping the deacidification liquid back, and carrying out condensation recovery. According to the invention, safety and effectiveness are obtained; and the paper deacidification agent has the advantages of easy recovery, good effects and low cost.

The invention discloses a server cabinet cooling system which comprises a liquid cooling tank arranged in a server cabinet, a water-cooled heat sink in the server cabinet, an air radiator in the cabinet, a first liquid storage tank and an outdoor external cooling system, wherein the liquid cooling tank comprises a finned heat exchanger, a plate-type heat exchanger and a first water pump which are integrated in a tank; the hot water side of the plate-type heat exchanger, the first water pump, the first liquid storage tank and the water-cooled heat sink in the server cabinet are connected into a first circulation loop by virtue of pipelines; and the external cooling system, the air radiator in the cabinet, the finned heat exchanger and the cold water side of the plate-type heat exchanger are connected into a second circulation loop through pipelines. The server cabinet cooling system is simple in structure, realizable in modular production and convenient in installation, can be used for not only respectively cooling each server cabinet without local heat gathering, but also avoiding outputting heat into the cabinet, is high in cooling efficiency, and can be used for achieving an energy-saving effect.

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 discloses a crack particles diversion agent temporary blockage capability evaluation apparatus and a method thereof. The crack particles diversion agent temporary blockage capability evaluation apparatus comprises a thermotank, a holder outer cylinder is arranged in the thermotank, a rubber cylinder is arranged in the holder outer cylinder, the holder outer cylinder and the rubber cylinder form an enclosed space, an inlet end blocking head and an outlet end blocking head are arranged at two ends of the holder outer cylinder, an annular pressure hole is arranged at central section of the holder outer cylinder, an annular pressure meter is conducted to the enclosed space formed by the holder outer cylinder and the rubber cylinder by the annular pressure hole, and the other end of the annular pressure meter is connected to an annular pressure pump and an annular pressure liquid storage tank in order. The crack particles diversion agent temporary blockage capability evaluation apparatus establishes the crack particles diversion agent temporary blockage capability evaluation method which integrates steps of liquid preparation, pressure testing, injection and pressure measuring, as well as is matched with the experiment apparatus, a crack particles diversion agent temporary blockage process can be simulated, the operation is safe and simple, and automation degree and result credibility are high.

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.

The invention relates to a method and a system for preparing high purity gas by a rectification method. According to the method disclosed by the invention, a target gas raw material is firstly processed by a light component removal tower to remove light component impurities and then is processed by a heavy component removal tower to remove heavy component impurities; obtained purified gas is compressed into compressed gas; the compressed gas is at least divided into two parts which are respectively used as heat sources of a tower kettle reboiler of the light component removal tower and a tower kettle reboiler of the heavy component removal tower; the two parts of compressed gas are condensated into liquid to be converged and stored; the stored liquid is divided into three parts; two parts of the stored liquid are respectively used as a cooling medium of a tower top condenser of the light component removal tower and reflux of the heavy component removal tower after being respectively subjected to throttling expansion; and the third part of the stored liquid is recovered as a product. The system disclosed by the invention comprises the light component removal tower, the tower top condenser of the light component removal tower, the heavy component removal tower, a compressor, the tower kettle reboiler of the light component removal tower, the tower kettle reboiler of the heavy component removal tower, a liquid storage tank and a connecting pipeline. The method and the system which are disclosed by the invention have the advantages that equipment is simple; energy is saved; the method and the system are flexible to operate and have wide application; the system is easy to maintain; and the method and the system have few requirements on public works.

A liquid supply assembly for use with a spray gun (FIG. 1) comprises a reservoir 9 provided with a drop-in filter 10 for removing solid particles from liquid added to the reservoir 9. The reservoir 9 has a lid 12 with an outlet opening 12E connectable via a spout 16 to the spray gun and a separate inlet opening 12D in which a support collar 27 of the filter 10 is located. The filter 10 comprises a tubular mesh body 10A having an open end and a closed end. The open end is connected to the support collar 27 and the mesh body 10A extends away from the inlet opening 12D within the reservoir 9. The mesh body 10A is sized to pass through the filler opening 12D and has a high flow capacity to permit rapid filling of the reservoir 9. The filter 10 may be left in place when the reservoir 9 is connected to the spray gun and the reservoir 9 may be discarded together with the filter 10 after use.

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 a preparing device of a high-effective continuous-type electro-spin nanometer fiber felt, the invention comprises a fluid supply system, a metal roller, a receiving device and a spinning fluid recycling groove. The process for preparing comprises firstly, preparing polymer spinning fluid with correct concentration in a dissolution kettle, temporarily storing in a liquid storage tank after passing through a filter, secondly, connecting the metal roller and the positive electrode of a high-pressure electrostatic generator, applying correct electrostatic pressure, leading an aluminium screen cloth to connect ground, thirdly, leading the metal roller to rotate in correct rotary speed, fourth, starting a measuring pump, feeding spinning liquid from the liquid storage tank to an even allotter, leading the spinning liquid to be evenly allocated to a spraying hole on the front end of the even allotter, sputtering from the spraying hole to the surface of a rotating metal roller to form Taylor awl, fifthly, leading a coiling drum to rotate to drive a fiber receiving net to move, and continuously receiving nanometer fiber felt. The process for preparation of the nanometer fiber felt of the invention has high production efficiency, which is suitable for scale production of electro-spinning.

An appliance for dispensing a liquid to a user, including an appliance base cabinet comprising an enclosure positioned under a counter that is fixed to a wall. The appliance base cabinet having a support member that is moveable relative to the counter. At least one dispenser spigot is coupled to the appliance base cabinet at a suitable distance below the counter to allow a user dispense water via the at least one dispenser spigot. At least one liquid storage tank is supported by the support member having an opening for out-flow of the liquid. The at least one liquid storage tank is accessible for removal or installation when the support member is moved away from the kitchen counter. The appliance further includes an intermediate reservoir within the appliance base cabinet under the kitchen counter coupled to the opening of the at least one liquid storage tank through which the liquid out of the at least one liquid storage tank is channeled to the at least one dispenser spigot.