31results about How to "Realize automatic rehydration" patented technology

The invention discloses a servo supercharger which comprises a high pressure cylinder and a servo electric cylinder. The high pressure cylinder and the servo electric cylinder are respectively connected with a flange. A plurality of threaded rods are arranged between the flanges to connect and fix the high pressure cylinder and the servo electric cylinder. The high pressure cylinder comprises a cylinder body and a plunger, wherein the plunger is mounted in one end of the cylinder body and connected with a piston of the servo electric cylinder; the plunger and the piston share the same axis; a connecting pipeline is arranged at the other end of the cylinder body and connected with the cylinder body through a thread sleeve. The electric cylinder drives the plunger to conduct straight reciprocating motion to compress test piece media and then the pressure of the media in a test piece can be improved and reduced. The servo supercharger meets the requirements of impulse experiments and overcomes the defects of the prior art on the basis of achieving basic functions of the impulse experiments.

The invention discloses a drilling fluid PLC automatic control system and a control method thereof, which are matched with a drilling pump and solid control equipment. The control system consists of a central processing unit, an A / D converter, a D / A converter, a liquid crystal display screen, an electromagnetic flowmeter, a mud flow meter, an intelligent mud level measurement device, a drilling fluid density tester, a drilling fluid viscosity measuring instrument, a blender, a clay feed inlet, a bentonite feed inlet, a weighting material feed inlet, a fluid loss agent feed inlet, a tackifier feed inlet, a water inlet, an inlet pump, and an outlet pump. The control method comprises that: the central processing unit sends a command to control the work of the water inlet, five feed inlets, the inlet pump, the blender and the outlet pump; the electromagnetic flowmeter, the mud flow meter, the intelligent mud level measurement device, the drilling fluid density tester, and the drilling fluid viscosity measuring instrument input the acquired data into a PLC; and the data subjected to PLC operation is displayed on the liquid crystal display screen. The control method can reduce the manpower and material resources needed by on-site liquid preparation and reduce the production cost.

The invention discloses a PLC intelligent automatic sand mixing system and a control method thereof. The sand mixing system comprises a central processing unit as well as an inlet electromagnetic flow meter, an outlet electromagnetic flow meter, an ultrasonic liquid level detector, an isotope gravelfluid ratiometer, a pressure transducer, a stirrer, a quartz sand material inlet, a water inlet, an inlet pump and an outlet pump which are connected with the central processing unit, wherein the central processing unit comprises a CPU, an A / D (Analog-to-Digital) converter, an D / A converter and a liquid crystal display screen. In the control method, the central processing unit is used for sending out a command to control the work of the water inlet, the quartz sand material inlet, the inlet pump, the stirrer and the outlet pump; the inlet electromagnetic flow meter, the outlet electromagnetic flow meter, the ultrasonic liquid level detector, the isotope gravelfluid ratiometer and the pressure transducer are used for transmitting collected data into a PLC; and the data obtained after calculation by the PLC are displayed on the liquid crystal display screen. By connecting the PLC with various instruments of the sand mixing system, the invention realizes automatic sand addition, automatic liquid supplement and real-time monitoring of technical parameters, and reduces manpower and materials required for preparing liquid on site and the production cost.

The invention aims at providing a device and method for recycling a spray cooling cutting fluid. The device is characterized by being composed of a fluid supplying system, a recycling system, a fluid supplementing system, a fluid storing box and a rack and particularly comprising an atomizing nozzle (1), a high-pressure water pump (2), a Y-shaped filter (3), an air-cooling cooler (4), a fluid supplementing port (5), a fluid supplementing box (6), a first stop valve (7), a floating ball valve (8), a fluid storing box (9), a recycled fluid (10), a sewage draining port (11), a magnet (12), a cleaning port (13), a second stop valve (14), a secondary filter (15), a primary filter (16), the rack (17) and a cutting fluid recycling channel (18). Compared with an existing cutting workbench, recycling of the cutting fluid can be achieved, and the advantages of being long in working fluid replacing period, convenient to install and use and capable of achieving automatic fluid supplementing are achieved.

The invention discloses a copper foil anti-oxidation treating fluid, a preparation method of the copper foil anti-oxidation treating fluid and copper foil anti-oxidation treating equipment. The copper foil anti-oxidation treating fluid comprises the following raw material ingredients by weight: 0.05-0.1 g / L hydroxybenzotrizole (HBTA), 0.02-0.05 g / L 2-mercaptobenzothiazole (MBT), 0.1-0.5 g / L of silver nitrate, 0.1-0.5 g / L sodium molybdate, 0.05-0.1 g / L phosphoric acid, 0.5-3 g / L boric acid and the balance of pure water. The copper foil anti-oxidation treating fluid can prevent water washing, reduces the water treatment cost, does not contain such harmful substances to the environment as hexavalent chromium, and meets the demand for environmental protection; an anti-oxidation and anti-passivation film is stable under the high-temperature condition and does not contain zinc metal; and such unstable problems as resistance reduction of a copper foil are solved. A liquid inlet of an anti-oxidation treatment groove of the copper foil anti-oxidation treating equipment is positioned above one end of the feeding side of a copper foil roller, so that two surfaces of the copper foil can be subjected to full anti-oxidation treatment.

The invention discloses a detection device for an automobile oil tank. The detection device structurally comprises an oil cover, an oil outlet, an explosion-proof device, the oil tank, a bracket, an alcohol tank, a leakage alarm device and an alcohol adding device, wherein the oil cover and the oil outlet are formed in the top of the oil tank, the oil tank is arranged in the alcohol tank, the alcohol tank is fixedly connected to the two sides of the oil tank through the bracket, the leakage alarm device is arranged in the alcohol tank and installed at the bottom of the oil tank, and the explosion-proof device is connected to the top of the oil tank. According to the detection device, a cover plate is opened through the action of air pressure to enable the necessary conditions for explosionof the oil tank to be lost, explosion is avoided, the explosion-proof effect is good, the liquid level of alcohol is increased by leaked oil because the density of oil is smaller than the alcohol, and the distance can be enlarged when the liquid level changes slightly through a position transmission device and a jacking mechanism to enable an alarm to be powered on to alarm a vehicle owner to prevent the occurrence of fire incidents and improve the use safety; and the alcohol adding device is arranged, so that the alcohol is automatically replenished, the working efficiency is improved, and the use is convenient.

The invention discloses a tire airtightness detection device, and relates to the technical field of tire detection, the tire airtightness detection device comprises a rotating mechanism and a feeding conveyor belt arranged on one side of the rotating mechanism, the upper end of the rotating mechanism is provided with a mounting rack, and the lower end of the mounting rack is provided with three detection auxiliary mechanisms; each detection auxiliary mechanism comprises a clamping assembly, a detection auxiliary assembly and two detection cameras, a discharging mechanism and a detection mechanism are further arranged beside the rotating mechanism, the detection mechanism comprises a detection assembly, a liquid supplementing assembly and a liquid supplementing box, and the liquid supplementing assembly is arranged in the detection assembly. The tire detection device is driven to rotate during tire detection, the detection accuracy is improved, the detection efficiency can be improved through lifting cooperation of the detection box, detection liquid in the detection box can be supplemented in time, and the detection process is more efficient and convenient.

The invention discloses an ink printing system. The ink printing system comprises a printing box, a printing cavity with an upward opening is formed in the printing box, a conveying shaft is rotationally connected between the left wall and the right wall of the printing cavity, a conveying wheel is fixedly connected to the conveying shaft, two fixing frames are fixedly arranged on the bottom wall of the printing cavity, and an ink box is fixedly connected to the upper end faces of the two fixing frames. According to the ink printing system, through cooperation of a shifting block and an inclined block, ink solid particles coagulated on the surface of an inking wheel during long-time operation are properly removed, the printing product quality is improved while the ink fluidity is enhanced, through cooperation of an extrusion wheel and a touch strip, an extrusion pipe continuously compresses a U-shaped hose, and the ink solid particles are recycled; and meanwhile, ink bubbles in an ink groove are removed, the printing effect is enhanced, the ink solid particles are recycled through cooperation of an air pump and an electromagnetic valve, meanwhile, automatic liquid supplementing is achieved, and the printing efficiency is improved.

The invention discloses a temperature control system and method for a test bench, which are used for controlling the temperature of a tested object on a test bench. The system comprises an internal circulation cooling liquid pipeline and an external circulation cooling liquid pipeline communicated with the internal circulation cooling liquid pipeline. The external circulation cooling liquid pipeline is composed of a basic circulation pipeline and a temperature regulation and control pipeline. A flow monitoring end and a pressure monitoring end are arranged on the basic circulation pipeline; a temperature monitoring end is arranged on the temperature regulation and control pipeline; an electric control unit is arranged in the temperature control system; and the electric control unit establishes flow regulation, pressure regulation and temperature regulation of the temperature control system through real-time monitoring of the flow monitoring end, the pressure monitoring end and the temperature monitoring end and issuing of corresponding regulation and control instructions. According to the temperature control system and method for the test bench, the control precision and the cooling and heating capacity of temperature control are improved, meanwhile, automatic liquid supplementing and liquid pumping of the system can be achieved, and the application range of temperature control is widened on the whole.

The invention discloses an automatic filling device used for urodynamic detection. The automatic filling device comprises a peristaltic pump (1), an injection pump (2), a liquid storage bottle (3), a tee joint (4), a T-shaped tube A (5), a T-shaped tube B (16), a pressure detection guide tube (6) and a pressure sensor (7), wherein the liquid storage bottle (3) is connected with one port of the tee joint (4); the injection pump (2) is connected with another port of the tee joint (4); a third port of the tee joint (4) is connected with the T-shaped tube A (5); and control valves are arranged between the peristaltic pump (1) and the T-shaped tube A (5), between the liquid storage bottle (3) and the tee joint (4) and between the tee joint (4) and the T-shaped tube A (5) respectively. The automatic filling device has the benefits as follows: the peristaltic pump and the injection pump can be conveniently switched and are convenient and quick to operate; by setting the tubes, the liquid supplying operation of the injection pump can be conveniently carried out, and the automatic liquid supplying operation of the injection pump is achieved, so that the practicality is stronger; and the automatic filling device is simple in structure, reliable in performance and low in cost, and is suitable for popularization and application.

The invention discloses novel efficient energy-saving automatic liquid supplementing liquid cooling source equipment in the technical field of cooling equipment. The equipment comprises a water tank,the water tank is connected with a liquid supplementing tank, the liquid supplementing tank is in communication with a liquid supplementing pipe extending into the water tank, a liquid supplementing opening is formed in the bottom of the liquid supplementing pipe, a movable floating ball is arranged in the water tank, the inner wall of the water tank is sequentially and rotationally connected witha first swing rod and a second swing rod from top to bottom, one end of the second swing rod is connected with the floating ball, a connecting rod is hinged between the other end of the second swingrod and one end of the first swing rod, and the other end of the first swing rod is connected with a U-shaped plate used for sealing the liquid supplementing opening. By arranging the movable floatingball, the floating ball enables the U-shaped plate not to seal the liquid supplementing opening through the second swing rod, the connecting rod and the first swing rod, and automatic liquid supplementing of cooling liquid in the liquid supplementing tank is achieved through the liquid supplementing opening.

The invention provides a liquid dropping device and a tracking tester adopting same, and relates to the technical field of detection. The liquid dropping device comprises a bracket, and a liquid conveying assembly and a measuring assembly which are arranged on the bracket. The liquid conveying assembly is used for conveying electrolyte into the measuring assembly; the measuring assembly is arranged on the bracket; the measuring assembly is used for receiving the electrolyte conveyed by the liquid conveying assembly; the measuring assembly is configured to be capable of measuring whether the volume weight of the electrolyte conveyed to the measuring assembly by the liquid conveying assembly reaches a preset value or not in real time; when the measuring assembly measures that the volume weight of the electrolyte reaches the preset value, the liquid conveying assembly stops conveying the electrolyte; and the measuring assembly releases the electrolyte to a test platform of the tracking tester. According to the liquid dropping device provided by the invention, the volume weight of the electrolyte dropped on the test platform can be accurately controlled, so that the test precision of the tracking tester is improved.

The invention relates to the technical field of batteries, and discloses a lithium ion battery which comprises a roll core, a shell, an electrolyte and a liquid storage body, the roll core is arranged in the shell, and the liquid storage body is arranged between the roll core and the shell; at least part of the electrolyte is contained in the liquid storage body, and the liquid storage body can deform under the expansion extrusion action of the roll core so that the electrolyte can be extruded out of the liquid storage body. According to the embodiment of the invention, in the early stage of battery circulation, the electrolyte in the liquid storage body does not flow out, so that the situation that the degradation rate of the battery is increased due to the fact that the roll core is in excessive electrolyte can be effectively avoided; and in the later cycle period of the battery, the roll core gradually expands to extrude the liquid storage body, so that the electrolyte in the liquid storage body flows out, automatic liquid supplementing of the battery is realized, and the cycle life of the battery is effectively prolonged. And on the other hand, the liquid storage body in which the electrolyte is stored is arranged in the gap between the roll core and the shell, and the gap is filled, so that the roll core is fixed, and the safety performance of the battery can be greatly improved.

The invention discloses a PLC intelligent automatic sand mixing system and a control method thereof. The sand mixing system comprises a central processing unit as well as an inlet electromagnetic flow meter, an outlet electromagnetic flow meter, an ultrasonic liquid level detector, an isotope gravelfluid ratiometer, a pressure transducer, a stirrer, a quartz sand material inlet, a water inlet, aninlet pump and an outlet pump which are connected with the central processing unit, wherein the central processing unit comprises a CPU, an A / D (Analog-to-Digital) converter, an D / A converter and a liquid crystal display screen. In the control method, the central processing unit is used for sending out a command to control the work of the water inlet, the quartz sand material inlet, the inlet pump, the stirrer and the outlet pump; the inlet electromagnetic flow meter, the outlet electromagnetic flow meter, the ultrasonic liquid level detector, the isotope gravelfluid ratiometer and the pressure transducer are used for transmitting collected data into a PLC; and the data obtained after calculation by the PLC are displayed on the liquid crystal display screen. By connecting the PLC with various instruments of the sand mixing system, the invention realizes automatic sand addition, automatic liquid supplement and real-time monitoring of technical parameters, and reduces manpower and materials required for preparing liquid on site and the production cost.

The invention discloses an electrophoresis tank with an accurate and controllable liquid level. The electrophoresis tank comprises an electrophoresis tank cover (2) and an electrophoresis tank body (4), wherein the electrophoresis tank cover is provided with an electrophoresis sample inlet (1), an electrode fixing port (3) and a replenishing liquid inlet (5), a liquid replenishing pump (9) is connected with a liquid storage tank (12) and the replenishing liquid inlet (5), an electrophoresis liquid circulating inlet (7) and an electrophoresis liquid circulating outlet (6) are formed in two sides of the electrophoresis tank body (4), a connecting pipeline (11) of the electrophoresis liquid circulating inlet (7) and the electrophoresis liquid circulating outlet (6) is provided with a circulating pump (10) for connection, and the electrophoresis liquid circulating inlet (7) is communicated with a liquid level monitor (8). Manual or automatic liquid supplementing is achieved by monitoring the liquid level height of the electrophoresis tank, and powder agglomeration and deposition are prevented by arranging the circulating pump to circularly stir electrophoresis liquid.

The invention discloses a drilling fluid PLC automatic control system and a control method thereof, which are matched with a drilling pump and solid control equipment. The control system consists of a central processing unit, an A / D converter, a D / A converter, a liquid crystal display screen, an electromagnetic flowmeter, a mud flow meter, an intelligent mud level measurement device, a drilling fluid density tester, a drilling fluid viscosity measuring instrument, a blender, a clay feed inlet, a bentonite feed inlet, a weighting material feed inlet, a fluid loss agent feed inlet, a tackifier feed inlet, a water inlet, an inlet pump, and an outlet pump. The control method comprises that: the central processing unit sends a command to control the work of the water inlet, five feed inlets, the inlet pump, the blender and the outlet pump; the electromagnetic flowmeter, the mud flow meter, the intelligent mud level measurement device, the drilling fluid density tester, and the drilling fluid viscosity measuring instrument input the acquired data into a PLC; and the data subjected to PLC operation is displayed on the liquid crystal display screen. The control method can reduce the manpower and material resources needed by on-site liquid preparation and reduce the production cost.

The invention discloses a tire air tightness detection device, which relates to the technical field of tire detection, and comprises a rotating mechanism and a feeding conveyor belt arranged on one side of the rotating mechanism. The upper end of the rotating mechanism is provided with a mounting frame, and the lower end of the There are three detection auxiliary mechanisms, and each detection auxiliary mechanism includes a clamping component, a detection auxiliary component and two detection cameras. There are also a blanking mechanism and a detection mechanism beside the rotating mechanism. The detection mechanism includes a detection component, a liquid supplement A component and a liquid supplement box, the liquid supplement component is arranged inside the detection component. The invention drives the rotation of the tire during detection to improve the detection accuracy, and the detection efficiency can be improved through the lifting and matching of the detection box, and the detection liquid in the detection box can be replenished in time, making the detection process more efficient and convenient.

The invention discloses an automatic filling device used for urodynamic detection. The automatic filling device comprises a peristaltic pump (1), an injection pump (2), a liquid storage bottle (3), a tee joint (4), a T-shaped tube A (5), a T-shaped tube B (16), a pressure detection guide tube (6) and a pressure sensor (7), wherein the liquid storage bottle (3) is connected with one port of the tee joint (4); the injection pump (2) is connected with another port of the tee joint (4); a third port of the tee joint (4) is connected with the T-shaped tube A (5); and control valves are arranged between the peristaltic pump (1) and the T-shaped tube A (5), between the liquid storage bottle (3) and the tee joint (4) and between the tee joint (4) and the T-shaped tube A (5) respectively. The automatic filling device has the benefits as follows: the peristaltic pump and the injection pump can be conveniently switched and are convenient and quick to operate; by setting the tubes, the liquid supplying operation of the injection pump can be conveniently carried out, and the automatic liquid supplying operation of the injection pump is achieved, so that the practicality is stronger; and the automatic filling device is simple in structure, reliable in performance and low in cost, and is suitable for popularization and application.

The coating machine comprises a machine box, a solution cavity is formed in the machine box, a box cover is detachably arranged at the upper end of the machine box, a feeding through hole is formed in the upper end of the left end face of the machine box, a feeding roller is arranged in the feeding through hole, a discharging through hole is formed in the upper end of the right end face of the machine box, and a discharging roller is arranged in the discharging through hole. A film tension adjusting mechanism, a swing arm limiting mechanism, a solution supplementing mechanism and a film limiting mechanism are sequentially arranged on the lower end face of the box cover from left to right, and the film tension adjusting mechanism comprises a first positioning seat, a second positioning seat, a rotating shaft, a torsion spring, a first swing arm, a second swing arm and a limiting roller. The upper end of the first positioning seat and the upper end of the second positioning seat are fixedly connected with the lower end face of the box cover, and an elastic buffer layer is fixedly arranged on the outer surface of the limiting roller. According to the technical scheme, the structural design is reasonable, the film tensioning effect is good, coating work is reliable, solution supplementing is timely, work is stable, and practicability is good.

The invention relates to the technical field of thermal management of electronic equipment, and specifically discloses a consumable evaporative refrigeration device, including a moisture heat exchanger, a liquid storage tank, and a control unit; an infusion pipeline and Liquid return pipeline, the control unit is electrically connected to the liquid return pipeline, liquid storage tank, and infusion pipeline respectively; its use method is to judge the temperature of the gas, if the temperature is too high, it will enter the humidity heat exchanger to cool down, and pass The infusion pipeline replenishes the liquid in the humid heat exchanger, and the residual free liquid in the humid heat exchanger is recovered and reused, which can prolong the effective cooling working time of a single liquid addition maintenance and reduce the maintenance workload.

The invention provides a dripping device and a tracking tester adopting the device, which relate to the technical field of detection. The dripping device includes a support, an infusion component and a measurement component mounted on the support. The infusion component is used to deliver the electrolyte to the measurement component; the measurement component is installed on the bracket, the measurement component is used to receive the electrolyte delivered by the infusion component, and the measurement component is configured to be able to measure the Whether the volume weight of the electrolyte delivered by the infusion assembly to the measurement assembly reaches a preset value, and when the measurement assembly detects that the volume weight of the electrolyte reaches a preset value, the infusion assembly stops delivering the electrolyte, and the measurement The assembly releases the electrolyte onto the test platform of the tracking tester. The dripping device provided by the present invention can precisely control the volume weight of the electrolytic solution dropped on the test platform, thereby improving the test accuracy of the tracking test machine.

The invention relates to the technical field of foamed aluminum production, in particular to a foamed aluminum production line based on blowing foaming, which comprises a smelting furnace, a foaming tank, a liquid storage tank and a molten aluminum transfer mechanism, a blowing unit is inserted into the foaming tank and used for filling gas into the molten aluminum to form bubbles, and a vertical cooling and lifting device is further arranged on the foaming tank and used for pulling the foam of the molten aluminum to the front; the liquid storage pool is arranged beside the foaming pool and communicates with the bottom of the foaming pool, a high-temperature radar liquid level meter is arranged above the liquid storage pool and used for monitoring the liquid level of molten aluminum in the liquid storage pool, and when the liquid level of the molten aluminum is lower than a low value, the molten aluminum in the smelting furnace is transferred into the liquid storage pool through a molten aluminum transferring mechanism; stopping until the high-temperature radar liquid level meter monitors that the liquid level of the molten aluminum in the liquid storage tank reaches a high level value; by means of the foamed aluminum production line, automatic liquid supplementing in the blowing method production process is achieved, manual liquid supplementing operation is not needed, and potential safety hazards are reduced.

The invention discloses a liquid replenishment system and a control method thereof. The main flow of the control method is: pre-set the relevant parameters of a liquid level sensor and a liquid replenishment pump in a controller; the liquid level sensor detects the liquid level of the liquid in a liquid replenishment tank , the controller adjusts the working state of the rehydration pump according to the running time of the rehydration pump; the inlet pressure sensor detects the actual inlet pressure value of the main pump inlet pipeline; if the actual inlet pressure value ≤ the rehydration start pressure value, the controller controls the rehydration When the pump is started, the rehydration pump supplies liquid to the circulation system of the main pump through the rehydration pipeline of the main pump; if the actual inlet pressure value ≥ the stop pressure value of the rehydration pump, the controller controls the rehydration pump to continue running for N seconds and then the rehydration pump stops running; the rehydration pump provided by the invention The control method of the system can automatically refill the main pump circulation system of the liquid cooling heat exchange unit and realize the multi-functional protection of system components to ensure the normal operation of the cooling heat exchange unit and avoid losses to the data center due to reduced heat dissipation efficiency .

The invention relates to the field of textiles, in particular to a sizing device for warp yarn. The sizing device comprises a base, a driving motor, a transmission device, a stirring device, a liftingplate, reset springs, a slurry feeding pipe and a buffering net. The transmission device comprises a sliding rod, a sliding strip, a rack, supporting rods and a gear; the sliding strip is disposed between the base and a support and provided with a sliding slot; one end of the sliding rod is fixedly connected with the other end of a connecting rod, and the other end of the sliding rod is slidablyconnected with the sliding slot; the rack is vertically fixed to the side wall of the sliding strip, and the end, away from the sliding strip, of the rack is provided with teeth; the gear is located between the base and the support and meshed with the rack. Through the cooperation between the stirring device and the transmission device, stirring blades can repeatedly stir slurry in different directions, so that the slurry in a slurry pool is maintained in a uniform state in a sizing process, and a good sizing effect is ensure; moreover, the buffering net can be used for buffering the flow of the stirred slurry to some extent, and thus it is ensured that the sizing process is stable.

The invention discloses a servo supercharger, comprising: a high-pressure cylinder and a servo electric cylinder, flanges are respectively connected to the high-pressure cylinder and the servo electric cylinder, and several screws are arranged between the flanges to connect and fix the high-pressure cylinder and the servo electric cylinder. The servo electric cylinder has two parts. The high-pressure cylinder includes: a cylinder body and a plunger. A plunger is installed in one end of the cylinder body. The plunger is connected with the piston of the servo electric cylinder. The other end of the cylinder is provided with a connecting pipeline, the connecting pipeline is connected to the cylinder through a screw sleeve, and the electric cylinder drives the plunger to make a linear reciprocating motion to compress the medium of the test piece to realize the boost and drop of the medium in the test piece. pressure, to meet the requirements of the pulse experiment, on the basis of the basic functions of the pulse experiment, it solves the shortcomings of the existing technology.

The invention relates to the technical field of heat management of electronic equipment, and particularly discloses a consumable evaporation refrigeration device, which comprises a heat and moisture exchanger, a liquid storage tank and a control unit; a liquid conveying pipeline and a liquid return pipeline are arranged between the liquid storage tank and the heat and moisture exchanger; and the control unit is electrically connected with the liquid return pipeline, the liquid storage tank and the liquid conveying pipeline respectively. A using method of the consumable evaporation refrigeration device comprises the steps that: the temperature of the gas is judged; if the temperature is too high, the gas enters the heat and moisture exchanger to be cooled; liquid is supplemented into the heat and moisture exchanger through the liquid conveying pipeline; residual free-state liquid in the heat and moisture exchanger is recycled and reused; therefore, the effective refrigeration working time of single-time liquid adding maintenance can be prolonged; and the maintenance workload is reduced.

The invention discloses a spraying deodorization system which comprises an unmanned aerial vehicle arranged in a deodorization space, a liquid storage tank is arranged on the unmanned aerial vehicle, the liquid storage tank is communicated with a high-pressure spray head, the spraying deodorization system further comprises a liquid supplementing tank used for supplementing liquid to the liquid storage tank, and a containing groove allowing the unmanned aerial vehicle to fly into is formed in the deodorization space. When the unmanned aerial vehicle is located in the containing groove, the liquid supplementing tank is used for supplementing liquid to the liquid storage tank. The unmanned aerial vehicle sprays deodorant liquid in the deodorization space, and the unmanned aerial vehicle has the advantages of being small in size, convenient to operate and control and the like, so that the problem that an existing high-pressure demisting device is inconvenient to operate in a small space is solved.

The application discloses a high-efficiency and energy-saving automatic liquid replenishing liquid cold source equipment in the technical field of cooling equipment, including a water tank, the water tank is connected with a liquid replenishing tank, and the liquid replenishing tank is connected with a liquid replenishing pipe extending into the water tank. The bottom of the water tank is provided with a refilling port, the water tank is provided with a movable floating ball, and the inner wall of the water tank is connected with a first swing rod and a second swing rod in turn from top to bottom, and one end of the second swing rod is connected to the A floating ball is connected, a connecting rod is hinged between the other end of the second rocking rod and one end of the first rocking rod, and the other end of the first rocking rod is connected with a U-shaped plate for sealing the liquid replenishment port. By setting the movable floating ball, the floating ball passes through the second pendulum rod, the connecting rod and the first pendulum rod, so that the U-shaped plate does not seal the liquid replenishment port, and the cooling liquid in the liquid replenishment tank realizes automatic liquid replenishment through the liquid replenishment port.

The invention relates to a toilet harmful gas plugging device, in particular to a foam plugging device for toilet harmful gas, which is characterized in that a rectangular box body is divided into a liquid supplementing chamber and a foam generating chamber by a partition plate. The dual functions of automatic liquid supplementing and liquid level control are achieved by adopting the inverted design of the liquid supplementing bottle, and the foam generating chamber adopts the sealing design, so that the flowability of foam can be enhanced by fully utilizing pressure generated by air. Foam liquid is generated in a simple and practical mode, and the problem of toxic and harmful gas plugging control during toilet construction, especially rural pit toilet home entry is solved. The whole device is simple in structure, efficient in foaming and suitable for being combined with a pit toilet, and technical support is provided for rural toilet improvement.

The invention discloses an automatic centralized water supply system special for a printer, and is applied to the field of printing devices. The automatic centralized water supply system solves the technical problems that because in the printing process of the printer, heated is frictionally generated by a water roller and an ink roller, the ink state imbalance is easily caused and unqualified products are printed. According to the technical scheme, the automatic centralized water supply system is characterized in that a dampening working solution storage tank is connected with a liquid inletpipe and a liquid outlet pipe, the liquid outlet pipe is connected with refrigeration equipment and then is connected with a water tank, the dampening working solution storage tank is provided with acontrol panel, the refrigeration equipment is electrically connected with the control panel, the liquid inlet pipe comprises a dampening solution pipe and a water inlet pipe, the dampening solution pipe is connected with a second liquid suction pump and then is connected with the dampening solution storage tank, and the water inlet pipe is connected with a tap water pipeline after being connectedwith a control valve. The automatic centralized water supply system has the technical effects that a water roller system and an ink roller system in the working state are cooled by dampening solution,the ink state balance is kept, and the quality of a printing product of the printer is guaranteed.