3647 results about "Liquid tank" patented technology

The invention relates to an air bag type mechanical sealing structure and a sealing method thereof in the technical field of LNG ships, the air bag type mechanical sealing structure comprises an annular air bag sealing ring, an air supply system room floor enclosure bulkhead and a liquid tank top drooping wall, and annular flexible sealing lips are fixedly arranged at the top and the bottom of the annular air bag sealing ring; hard sealing rings are fixedly arranged at the bottom of the air supply system room floor enclosure bulkhead and the top of the liquid tank top drooping wall correspondingly, and the hard sealing rings and the flexible sealing lips are connected in a matched mode. The movable gap formed by the top of the liquid tank and the air supply system can be fully sealed, the technical requirements of deformation of the top of the liquid tank and relative deformation and movement between peripheral ship deck components under the conditions of ship navigation, severe sea conditions, temperature difference and the like are met, and the technical requirement for sealing of the top of the liquid tank and an air supply system chamber is also met; the risk of ultralow-temperature gas leakage is avoided, closed-loop management of monitoring, analysis, compensation and alarm is achieved, and system safety and maintenance efficiency are improved.

The invention discloses a device for slowing down sloshing of a liquid tank. The device comprises the liquid tank, a linear guide rail sliding mechanism, a combined swash plate device and an automatic springback swash plate device. According to the device for slowing down the sloshing of the liquid tank, a double-sloshing-reduction method is adopted, firstly, the amplitude of the sloshing wave height of the free liquid surface and the kinetic energy of liquid sloshing are weakened in the middle of the liquid tank by means of the automatic rebound swash plate device; liquid sloshing energy is dissipated by means of holes of the combined swash plate device for liquid to enter and exit from the bulkhead, direct action of free surface movement of the liquid on the side wall of the liquid tank is hindered, impact load of liquid sloshing on the bulkhead is reduced, and the phenomena of top rushing and jet flow caused by climbing along the bulkhead are inhibited. Meanwhile, the position of the combined oscillation suppression plate device can be adjusted by means of the linear guide rail sliding mechanism, the energy of liquid oscillation can be dissipated to the maximum extent, meanwhile, the inherent frequency of the liquid tank is changed, resonance can be effectively avoided, and therefore the wave absorption and stabilization effects of the oscillation suppression device can be better exerted.

The invention discloses a device for inhibiting sloshing of a liquid tank, which comprises a plurality of sloshing inhibiting plates arranged in the liquid tank, the plurality of sloshing inhibiting plates are transversely and longitudinally staggered and are not contacted with each other, and the transverse and longitudinal sloshing inhibiting plates work independently and are not interfered with each other; a plurality of damping holes are evenly formed in the oscillation restraining plate, and the oscillation restraining plate is made of elastic materials. The oscillation restraining plate is made of an elastic material, the oscillation of liquid in the liquid tank can be relieved or restrained through the elastic buffering principle of the oscillation restraining plate, and the oscillation restraining plate cannot be damaged; on the basis of U-shaped elastic deformation of the original oscillation suppression plate and vortex generation of a flow field by the circular damping holes, the special-shaped holes are added, so that the fluid oscillation weakening capability of the device can be effectively enhanced.

The invention relates to the technical field of thermal management of energy storage power stations, and discloses an immersion phase change and jet flow cooperative reinforcement thermal management system of an energy storage power station. An immersed phase-change cooling tank body of the system contains an energy storage battery pack and a low-boiling-point fluorinated liquid cooling liquid, so that the whole battery pack is immersed in the immersed phase-change cooling tank body; the condensation recovery device is connected with a steam outlet condensation vaporization medium; the liquid storage distribution unit comprises a main liquid storage tank and a special liquid storage tank, the main liquid storage tank is connected with the condensation recovery device, and the special liquid storage tank is connected with the bottom of the tank body through an electromagnetic drain valve; the multi-layer jet strengthening module comprises a top-layer annular jet pipeline, a bottom-layer annular jet pipeline and a middle-layer annular jet pipeline, the top-layer annular jet pipeline and the bottom-layer annular jet pipeline are connected with a main liquid storage tank and reflow through a circulating pump, and the middle-layer annular jet pipeline is connected with a special liquid storage tank driven by a high-pressure pump and provided with The temperature monitoring array acquires the real-time surface temperature of the battery pack in a distributed manner The dynamic control center is connected with all the modules. According to the system, efficient and uniform heat management of the energy storage battery pack is realized through cooperation of phase change and jet flow.

The invention discloses a negative pressure circulation temperature control system, and relates to the technical field of thermal management. The negative pressure circulation temperature control system comprises a liquid storage tank which is connected with a load end and used for providing a liquid supply medium with a target temperature for the load end; the first vacuum tank is connected with the load end and the liquid storage tank and used for receiving the liquid supply medium of the load end and supplying the liquid supply medium to the liquid storage tank; the second vacuum tank is connected with the load end and the liquid storage tank and is used for receiving the liquid supply medium of the load end and supplying the liquid supply medium to the liquid storage tank; the vacuum pump is connected with the first vacuum tank and the second vacuum tank and is used for alternately constructing a negative pressure environment in the first vacuum tank and the second vacuum tank, so that the first vacuum tank and the second vacuum tank alternately provide a liquid supply medium for the liquid storage tank by utilizing the negative pressure environment; and the temperature control module is connected with the liquid storage tank and used for adjusting the temperature of the liquid supply medium in the liquid storage tank to the target temperature. According to the negative pressure circulation temperature control system, continuous liquid supply to the load end is achieved, it is ensured that the liquid level of the liquid storage tank is stable, and the temperature control efficiency of the negative pressure circulation temperature control system is improved.

The invention belongs to the technical field of automobile active safety, and provides a liquid tank type vehicle rollover risk early warning method and device, a medium and equipment. According to the technical scheme, the roll angle and the vehicle speed of a liquid tank type vehicle, position information of the vehicle and the liquid level height in a liquid tank are obtained; determining the total weight of the liquid tank vehicle based on the roll angle of the liquid tank vehicle and the liquid level height in the liquid tank; determining the current turning radius of the vehicle based on the position information of the liquid tank type vehicle; the total weight, the vehicle speed, the roll angle and the current turning radius of the vehicle serve as input variables, the current rollover risk serves as an output variable, the input variables and the output variable are fuzzified, and the current rollover risk of the vehicle is predicted after fuzzy reasoning; determining the current rollover risk level of the vehicle according to the current rollover risk value of the vehicle; and formulating a corresponding rollover early warning scheme based on the rollover risk level of the vehicle, and performing graded early warning. And through a refined grading early warning method, the rollover risk is effectively avoided.

The invention discloses a stainless steel workpiece polishing device which comprises an equipment box body, wherein a polishing solution box is arranged on one side of the equipment box body; the rotating disc is rotationally arranged at the top of the equipment box body, a plurality of hollow shafts with negative pressure environments inside are rotationally arranged in the middle of the rotating disc, first vacuum suction cups used for fixing workpieces are installed at the tops of the hollow shafts, and sealing pistons used for cutting off negative pressure of the hollow shafts are arranged in the hollow shafts. An electromagnetic driving part for driving the sealing piston is arranged below the sealing piston; through cooperative work of a piston cylinder and a filter box and lifting cooperation of a lifting plate, a lifting piston and the piston cylinder, dust collection, filtering and spraying of a polishing solution can be achieved while the lifting plate is stably guided, dust and waste gas generated in the polishing process can be effectively collected, environmental pollution is reduced, and the polishing effect is improved. And the polishing liquid can be automatically pressurized and sprayed, so that cyclic utilization of air is realized, and the energy consumption is reduced.

The invention relates to the technical field of charging cabins, and one embodiment of the invention provides a preassembled type electric automobile liquid cooling charging cabin which comprises a cabin body and further comprises a partition plate, a first cooling pipe network, a second cooling pipe network, a liquid storage tank, a refrigerating machine, a conveying pump and an air cooling mechanism, the partition plate is fixedly connected into the cabin body, and the cabin body is divided into a power distribution cavity and a plurality of charging cavities; the first cooling pipe network is located in the partition plate, the second cooling pipe network is located in the bottom wall of the charging cabin, the liquid storage tank is fixedly connected into the power distribution cavity, the refrigerating machine communicates with the liquid storage tank through a circulating pipe, the input end of the conveying pump communicates with the liquid storage tank, and the output end of the conveying pump communicates with the first cooling pipe network and the second cooling pipe network. The first cooling pipe network communicates with the liquid storage tank, and the air cooling mechanism and the first cooling pipe network cooperate to conduct air cooling on the interior of the charging cavity. By means of the technical scheme, the technical problem that in the prior art, a cooling fan is used for cooling, and rapid cooling is difficult to achieve is solved.

The invention discloses a surface welding device for hardware machining, and relates to the field of hardware welding, the surface welding device comprises a welding mechanism, a displacement mechanism, a transmission mechanism, a clamping mechanism, a liquid spraying mechanism, an ash removal mechanism, a workbench, an upper frame, first hardware and second hardware, and is characterized in that a bottom through frame is formed in the middle of the bottom end of the workbench; the surface welding device for hardware machining comprises a workbench, an upper frame is arranged at the top end of the workbench, an electric control box plate is arranged at the top end of the upper frame, second hardware is arranged on one side of the top end of the workbench, and first hardware is arranged on the other side of the top end of the workbench. The auxiliary rotating rod and the half gear are rotated, the unique half gear structure drives the movable block to horizontally move, then the push rod pushes the push piece in the piston cylinder, and scaling powder liquid is rhythmically sprayed to the hardware connecting position from the liquid box through the upper guide pipe and the water spraying pipe.

The invention belongs to the technical field of transformer equipment, and particularly relates to an automatic sampling device and method for transformer oil and gas. The device comprises a control box and a sampling sealing box, wherein a display screen, a keyboard and a code scanning module are arranged at the front part of a box body of the control box; the sampling sealing box comprises a sampling sealing box cover and a sampling sealing box body, a sampling bag support is arranged in the sampling sealing box body, the sampling bag is arranged on the sampling bag support, and a two-way valve is arranged at the top of the sampling bag; a sampling chamber air outlet pipeline, a sampling chamber air inlet pipeline, a third pipeline and a fourth pipeline are arranged on one side, connected with the sealing box, of the control box; the third pipeline and the fourth pipeline are respectively connected with the two-way valve; a first vacuum pump gas inlet pipeline, a second vacuum pump gas outlet pipeline, a waste liquid tank pipeline, a transformer oil sample pipeline and a transformer gas sample pipeline are arranged at the rear part of the control box. According to the invention, the convenience, safety and reliability of transformer oil and gas sampling are comprehensively improved, and powerful technical support is provided for safe and stable operation of a power system.

The utility model relates to a labor-saving glue gun, which belongs to the technical field of glue guns, and comprises a compressed gas tank, a glue solution tank, a limiting cylinder, an elastic piece and a discharge pipe, the glue solution tank is detachably connected to the compressed gas tank, an air inlet hole is formed in the glue solution tank and communicates with the air outlet hole, a discharging hole is formed in the glue solution tank, and a piston is slidably connected into the discharging hole; the limiting cylinder is inserted into the discharging hole, and an annular limiting part is fixed on the inner wall of the limiting cylinder; the elastic piece is arranged in the limiting cylinder and abuts against the annular limiting part. A material passing hole is formed in the side wall of the discharging pipe, and the discharging pipe is inserted into the limiting cylinder and makes contact with the elastic piece. According to the utility model, the compressed air tank is detachably connected to the glue solution tank, and the air inlet of the glue solution tank is communicated with the air outlet of the compressed air tank, so that when the lower end of the discharge pipe is pressed to be inserted into the glue solution tank, the material through hole is respectively communicated with the glue solution tank and the outside, and at the moment, compressed air of the compressed air tank quickly pushes the piston upwards; therefore, the glue solution in the glue solution tank is sprayed out from the glue gun nozzle through the material passing barrel.

The present application relates to a kind of heat shock flash evaporation loop lift membrane heat exchange test system, including heat exchange pipe, vapor-liquid separator, condenser, metering barrel, vacuum pump, liquid tank, heat shock heater, throttle valve, measurement and control system and high-speed camera, the upper outlet of heat exchange pipe is connected with the import of vapor-liquid separator, the secondary steam outlet of vapor-liquid separator is connected with the hot medium side import of condenser, the hot medium side outlet of condenser is connected with metering barrel and liquid tank respectively, the concentrated liquid outlet of vapor-liquid separator is connected with liquid tank, the outlet of metering barrel is connected with liquid tank, vacuum pump is connected with liquid tank, liquid tank is connected with heat shock heater, heat shock heater is connected with heat exchange pipe, throttle valve is arranged between heat shock heater and heat exchange pipe;High-speed camera is arranged in one side of heat exchange pipe.The present application can realize the experimental test to heat shock flash evaporation loop lift membrane heat exchange technology, and provide support for mechanism research, equipment optimization of heat shock flash evaporation loop lift membrane heat exchange technology.

The invention relates to the field of petroleum industry fracturing operation, and discloses a filtering device, a valve and a fracturing fluid tank. The filter device comprises a filter cartridge, a cleaning assembly and a storage assembly, wherein a filter screen is arranged in the filter cartridge; the cleaning assembly comprises a detection part, a cleaning part and a loosening part which are arranged in the filter cartridge, the detection part is used for detecting the pressure of fluid flowing through the filter cartridge, and the cleaning part cleans the filter screen when it is detected that the pressure of the fluid flowing through the filter cartridge is larger than first preset pressure; when it is detected that the pressure of the fluid flowing through the filter cartridge is larger than second preset pressure, the loosening piece acts on the filter screen so that impurities blocked on the filter screen can be loosened; the storage assembly comprises a storage box arranged at the bottom of the filter cartridge, and the storage box is used for receiving impurities cleaned by the cleaning part. Based on the filtering device provided by the invention, the phenomenon that the liquid supply channel is blocked due to impurity accumulation can be avoided, and the fluid conveying effect is ensured.

The invention relates to a thermal management system and an automobile. The heat management system comprises a refrigerant loop and a water loop. The refrigerant loop comprises a compressor, a condenser, a first valve and a cooler, and further comprises one of a liquid storage tank and a gas-liquid separator. Under the condition that the refrigerant loop comprises the liquid storage tank, the input end of the liquid storage tank is connected with the first output end of the condenser, and the output end of the liquid storage tank is connected with the input end of the first valve. And under the condition that the refrigerant loop comprises the gas-liquid separator, the input end of the gas-liquid separator is connected with the first output end of the cooler, and the output end of the gas-liquid separator is connected with the input end of the compressor. The refrigerant loop is configured to circulate a refrigerant, absorb or release heat and achieve refrigeration or heating. The water loop comprises a plurality of loops, and at least part of the loops comprise a condenser and / or a cooler; the water circuit is configured to transfer heat, regulate temperature. Through cooperation of the refrigerant loop and the water loop, the heat management system can stably operate in a low-temperature environment.

The invention discloses a circulation system of aluminum wire drawing liquid, and relates to the technical field of metal processing, the circulation system comprises: a wire drawing device, which is provided with an immersion liquid box and an outlet die, and after entering the immersion liquid box for drawing, an aluminum rod is sized from the outlet die for molding; a filter is arranged in the wire drawing liquid pool, the filter is communicated with the immersion liquid box through a circulating pipe I, the circulating pipe I is connected with a heat exchanger, and the immersion liquid box is communicated with the wire drawing liquid pool through a return pipe; the cooling system is connected with the heat exchanger through a circulating pipe II; the filter is provided with at least one continuous filtering mechanism, and the continuous filtering mechanism is configured to trigger the continuous filtering mechanism to rotate to switch a new filtering structure when the water level in the filter rises. After the water-based aluminum wire drawing liquid is adopted, no smell is generated in the circulation process, and the surrounding environment of a machine table is clean and tidy. Meanwhile, after the aluminum powder is filtered and is drawn by a nano-mold, the lubricating property is good, and the surface of the aluminum wire is smooth and clean.

The utility model belongs to the field of sheet jelly slurry spreading, and particularly relates to a guide plate structure of a sheet jelly slurry spreading mechanism, which comprises a slurry feeding mechanism, a discharge plate 6 is arranged at a discharge port of the slurry feeding mechanism, a guide mechanism 5 is arranged below the discharge plate 6, and the guide mechanism 5 comprises a rotatable guide plate 54. The front end, far away from the discharging plate 6, of the flow guide plate 54 can incline downwards or the rear end, close to the discharging plate 6, of the flow guide plate 54 can incline downwards by rotating the flow guide plate 54, and a waste liquid tank 7 is arranged below the rear end of the discharging plate 6; the flow guide mechanism 5 is further provided with an adjusting structure capable of adjusting the front-back position of the flow guide plate 54, the inclination direction can be rotationally adjusted, and a waste liquid tank is arranged below the rear end of the discharging plate, so that when the production line needs to be shut down, the production line is turned over backwards, rapid cut-off type material breaking can be achieved, and remaining stored materials flow into the waste liquid tank to be treated so as to be conveniently collected.

The invention relates to a waste liquid treatment device for automatically separating radionuclides. The waste liquid treatment device comprises a first waste liquid collection passage and a second waste liquid collection passage, an upstream liquid supply channel shared by the two channels comprises an injection pump and a multi-way valve, and the injection pump inputs liquid into the multi-way valve. The first waste liquid collecting channel directly guides cleaning liquid, replacement liquid and the like which do not need to be reserved into a waste liquid barrel through a first output port of the multi-way valve. The second waste liquid collecting channel is sequentially connected with a plurality of resin columns, a waste liquid tank, a peristaltic pump and a waste liquid barrel through a second output port of the multi-way valve, waste liquid generated by the resin columns firstly enters the waste liquid tank for temporary storage, and when the liquid level of the waste liquid tank reaches a preset threshold value, the peristaltic pump automatically pumps and discharges the waste liquid into the waste liquid barrel for centralized collection. The device can distinguish reserved liquid from waste liquid according to steps, realizes automatic flow division, temporary storage and discharge of the waste liquid, avoids manual pouring of the waste liquid halfway, ensures continuous operation of a long-time and multi-channel separation process, and reduces the risk of personnel exposure in a radioactive waste liquid treatment process.

The invention relates to the technical field of nano magnetic bead preparation, and discloses a magnetic bead continuous separation system and a control method. The system comprises a magnetic bead separation device which is of a hollow pipe structure, the pipe wall of the magnetic bead separation device can be magnetized and demagnetized, one end of the magnetic bead separation device is provided with a first liquid inlet and a second liquid inlet, and the other end of the magnetic bead separation device is provided with a first liquid outlet and a second liquid outlet; the stock solution tank is connected to the first liquid inlet through a first flow channel; the waste liquid tank is connected to the first liquid outlet through a fifth flow channel, and a first magnetic bead sensor is arranged on the fifth flow channel; a liquid inlet of the product tank is connected to the second liquid outlet through a sixth flow channel, and a second magnetic bead sensor is arranged on the sixth flow channel; a liquid inlet of the stirring kettle is connected to the second liquid outlet through a seventh flow channel, and a liquid outlet of the stirring kettle is connected to the first liquid inlet through a second flow channel; a liquid outlet of the washing liquid tank is connected to the first liquid inlet through a third flow channel and is connected to the second liquid inlet through a fourth flow channel. The system has the advantage of meeting the requirements of continuous, automatic and infinite batch separation and purification of the magnetic beads.

Provided in the present application are a heat-insulating system of a B-type independent liquid tank, and a ship. The heat-insulating system comprises: prefabricated heat-insulating plates arranged on the outer surface of a liquid tank, wherein the side surface of each prefabricated heat-insulating plate is of a step shape; fixing assemblies arranged at joints of the prefabricated heat-insulating plates, wherein each fixing assembly comprises a fixing column and a U-shaped fixing member, two flanges are provided at the top of each U-shaped fixing member, the flanges are arranged on the stepped side surfaces of the prefabricated heat-insulating plates, and each joint between inner heat-insulating layers is filled with an elastic heat-insulating joint-filling material; heat-insulating plug blocks, U-shaped areas of the U-shaped fixing members being filled therewith; joint heat-insulating plates, each of which is arranged in a joint between adjacent outer heat-insulating layers, each joint heat-insulating plate being connected to the prefabricated heat-insulating plates, an extending overlap layer, the U-shaped fixing member and the heat-insulating plug block; and joint protection layers, each of which is laid on the upper surface of a joint between two adjacent prefabricated heat-insulating plates. The present application simplifies the product structure, shortens the design period, simplifies the mounting process, and reduces costs.

A cleaning system used for vehicles and capable of suppressing vibrations and reducing noise. The cleaning system includes a cleaning liquid tank (10), a cleaning pump (20), an elastic positioning sleeve (30) and an elastic sealing ring (40), wherein a lower portion of the cleaning liquid tank (10) is provided with an upward liquid outlet (106); a limiting plate (101) is provided on a side surface of the cleaning liquid tank (10), and the limiting plate is opposite the liquid outlet (106); an engagement slot (108) is provided in the limiting plate (101); a sealing hole (405) is provided in the center of the sealing ring (40), and the sealing ring is fixed to the liquid outlet (106); a liquid intake nozzle (201) is arranged at one end of the cleaning pump (20) and inserted into the sealing hole (405) of the sealing ring, an end face of the cleaning pump (20) abuts against a surface of the sealing ring (40) to axially position the cleaning pump (20); an elastic positioning member is arranged on a top cover of the cleaning pump (20); a positioning hole (305), which corresponds to the elastic positioning member, is provided in the center of the elastic positioning sleeve (30), so that the elastic positioning sleeve is fixed to the elastic positioning member; a plurality of vibration suppression holes (306) are provided at intervals in the elastic positioning sleeve (30) on the periphery of the positioning hole (305); the bottom of the elastic positioning sleeve (30) is provided with an edge (307); and the elastic positioning sleeve (30) is configured to sleeve the elastic positioning member, so as to be fixed to the elastic positioning member, and the elastic positioning sleeve engages with the engagement slot (108) in the limiting plate (101), so that the edge (307) is axially limited by the bottom surface of the limiting plate (101), and the outer periphery of the elastic positioning sleeve (30) engages with an engagement portion (104) on the engagement slot (108), so as to fix the cleaning pump (20).

Hydromassage bath apparatus (1) comprising: - a shell (10) delimiting a volume (15) intended to receive a liquid such as water, and one or more users, - at least one liquid reservoir (20) disposed in said shell (10) and configured to be pressurized when supplied with liquid, said reservoir (20) having on a first face, at least one inlet orifice (24) for liquid into the reservoir, and on a second face, a plurality of outlet orifices (26; 28) for pressurized liquid from the reservoir to said volume, called "massage orifices", - a liquid supply system (30) comprising at least one pipe (32) arranged to bring the liquid to said reservoir (20), said pipe (32) being connected to said reservoir (20) through at least one through opening (13) made in the shell (10).

The invention discloses liquid tank assembly welding equipment and a welding thermal compensation method, and relates to the technical field of liquid tank assembly welding, and the specific method comprises the following steps: obtaining a real-time linear expansion coefficient introducing temperature nonlinearity, calculating to obtain total welding deformation superposed by thermal expansion and phase change shrinkage through a calibrated phase change fraction and a phase change volume expansion coefficient, and obtaining the welding residual strain of the previous layer through the residual strain coefficient, correcting the actually measured welding strain in the strain data, obtaining the corrected actually measured strain of the current layer, and driving and adjusting the welding path of the next layer according to the total welding deformation when entering the welding of the next layer. The corrected actual measurement strain of the current layer is directly written into a system register and covers the actual measurement welding strain, through dynamic calibration of a linear expansion coefficient, welding gun path compensation is directly guided, actual measurement data of the current layer are corrected, and a complete chain of parameter correction, deformation calculation, path compensation and residual stress closed-loop control is formed; and finally, the effect of reducing the multi-layer welding thermal deformation error is achieved.

The invention belongs to the technical field of octafluoropropane purification, particularly relates to a device and a method for purifying octafluoropropane, and provides the following scheme aiming at the problems that gas flows to easily generate bubbles and the bubbles wrap impurities in the processes of octafluoropropane rectification and the like: the device comprises a rectifying tower, the bottom of the rectifying tower is fixedly connected with an extraction liquid box, and a round hole is formed in the outer side of the rectifying tower; a purification outlet is fixedly connected to the interior of the round hole, a spraying head is arranged in the rectifying tower, and an input pipe is fixedly connected to the top end of the spraying head. According to the device and method for purifying the octafluoropropane, the bubble breaking piece accurately breaks bubbles, impurities and the octafluoropropane are thoroughly separated, the spoiler strengthens the separation effect, the impurities are evenly enriched, the liftable suction outlet is matched, the impurities are accurately sucked away, impurity residues in a finished product are greatly reduced, and the product quality is improved. And the purity of the perfluoropropane is assisted to stably reach a high standard.

The invention discloses a magnetic bead continuous separation process and device, and the process comprises the following steps: firstly applying a magnetic field to a magnetic bead separator, then continuously adding a stock solution into the magnetic bead separator, forming a magnetic bead capturing area and a magnetic bead separation area under the action of the magnetic field, capturing magnetic beads to the capturing area, discharging impurities to a waste liquid tank from a liquid outlet, and separating the impurities from the waste liquid tank. The concentration of the magnetic beads at the liquid outlet exceeds a set value; after the magnetic field is relieved, washing liquid is continuously added into the magnetic bead separator, and the magnetic beads are flushed out and collected into an intermediate tank; applying the magnetic field again, and continuously adding the collected liquid into the magnetic bead separator for separation again; after the magnetic field is relieved, washing liquid is injected into an inlet of the magnetic bead capturing area, so that the magnetic beads are flushed out until the concentration of the magnetic beads at a liquid outlet is lower than a set value; and circulating the steps until the treatment is finished. The process is automatically operated through a PLC (Programmable Logic Controller) control system. The magnetic bead separation device has the advantages that automatic feeding and discharging are achieved, multiple operation steps are completed in the same device, and multi-round repeated separation and automatic completion of magnetic beads are achieved.

The invention discloses a liquid air energy storage system based on air separation, which is characterized by comprising an air purification unit, an energy storage unit, an air rectification unit and an LNG (Liquefied Natural Gas) cold supply unit, wherein the air purification unit comprises an air filter, an air compressor, a first cooler, an adsorber and a first heater, and the energy storage unit comprises a first liquid separation tank, a liquid air storage tank, a liquid air pump and an air expansion machine. The air rectification unit comprises a rectification tower, a main cold box, a second liquid separation tank, a second subcooler, a first heat exchanger, a liquid nitrogen storage tank, a liquid oxygen storage tank, a second heat exchanger, an argon rectification system and a liquid argon storage tank; and the LNG cold supply unit comprises a first nitrogen supercharger, a second nitrogen supercharger, an LNG cold box and a first subcooler. The system has the functions of air separation and electric energy storage at the same time, and cold energy of the LNG receiving station is fully utilized for air separation and energy storage to participate in construction of a novel power system of a power grid.

The invention relates to an M-shaped sealing assembly and a sealing method in the technical field of LNG ships, the M-shaped sealing assembly comprises an annular M-shaped sealing ring, a liquid tank top drooping wall and a gas supply system room floor enclosure bulk.The top inner wall and the bottom inner wall of the annular M-shaped sealing ring are each fixedly provided with an annular pressing plate; annular plates are fixedly arranged at the bottom of the liquid tank top drooping wall and the top of the air supply system room floor enclosure bulkhead correspondingly, and fixing assemblies are arranged between the annular plates and the annular pressing plates. An elastic buffering system is formed through the flexible anti-stress assembly, when a ship rolls, pitching or heaving, the flexible anti-stress assembly can convert stress into elastic potential energy of a spring, flexible rotation and angle adjustment are achieved through a universal ball and a ball sleeve structure, it is ensured that the stress can be evenly dispersed to the whole assembly, and therefore the ship can be protected from being damaged. Therefore, stress from all dimensions is effectively absorbed, and the problem that the stress directly acts on the annular M-shaped sealing ring to cause local excessive abrasion or tearing of the annular M-shaped sealing ring is solved.

The present invention relates to the field of spraying technology, and provides an anti-corrosion spraying device for surface treatment of sucker rods, which includes a frame, an anti-corrosion liquid tank, a horizontal pipe, a spray head and a plurality of brackets. Above each bracket, there is a triangular plate. The bottom surface of the triangular plate is a horizontal plane, and the top surface of the triangular plate is an inclined plane. A linear driving element I is installed on the frame. The telescopic end of the linear driving element I is connected to a slider. A chute is arranged on the top surface of the triangular plate, and the slider is slidably connected with the chute. The end faces of the slider and the chute are connected by a first return spring. The bottom surface of the triangular plate is connected with an upper brush cotton, the surface of the bracket is in an arc concave shape, and the surface of the bracket is connected with a lower brush cotton. The anti-corrosion liquid tank transports the anti-corrosion liquid to the lower brush cotton and the upper brush cotton through a pipeline. During use, the upper brush cotton presses on the sucker rod and pushes the sucker rod to rotate. The upper brush cotton and the lower brush cotton will brush the contact part between the sucker rod and the bracket, ensuring that the sucker rod undergoes a full-range anti-corrosion spraying operation.

The invention relates to an air cooling mechanism for split cooling of a copper wire of a photovoltaic welding strip, and belongs to the technical field of photovoltaic welding strip product.The air cooling mechanism for split cooling of the copper wire of the photovoltaic welding strip comprises a low-temperature liquid box, and the lower end of the low-temperature liquid box is fixedly connected with a vortex tube; the cooling mechanism is mounted in the low-temperature liquid tank, and the surface of the cooling mechanism extends to the outside of the low-temperature liquid tank; according to the photovoltaic welding strip cooling device, the arranged dehumidification assembly is used for guiding air flow for cooling the photovoltaic welding strip and condensing moisture in the air flow at the same time, the surface humidity of the photovoltaic welding strip is reduced, and meanwhile the dehumidification assembly is matched with the low-temperature assembly to keep the ambient temperature in the photovoltaic welding strip cooling work in a relatively low state; the heat loss of low-temperature gas cooling work is reduced, the situation that moisture in gas condenses on the surface of the photovoltaic welding strip is reduced while the photovoltaic welding strip is cooled, the situation that the photovoltaic welding strip is corroded is reduced, and the quality after metal machining is guaranteed.

The invention relates to a cutting fluid recycling system and method which are mainly used for solving the technical problems that an existing cutting waste fluid treatment and recycling system is high in cost and single in transportation line, and cutting fluid is prone to spoilage. The invention discloses a cutting fluid recycling system which comprises at least one fluid supply main pipe, at least one fluid return main pipe, a buffer fluid tank, a purifying and filtering device, a fluid supply control valve and a fluid return control valve. Cutting fluid discharged by machining equipment flows back to the buffer liquid box through the liquid return main pipe, the buffer liquid box conveys the cutting fluid to the purification and filtration device, a coarse filter and a fine filter in the purification and filtration device sequentially conduct coarse filtration and fine filtration on the cutting fluid, and the cutting fluid obtained after fine filtration is conveyed into a liquid box of the machining equipment through the liquid supply main pipe. The cutting fluid recycling device has the advantages of high efficiency and low cost.

The invention relates to the technical field of ice making control, and particularly provides a method and device for determining ice making time of an ice maker, and the method comprises the steps: detecting the temperature of an aqueous solution of a cold liquid box, the solute concentration in the aqueous solution, and the environmental parameters of an ice making module, the water solution is used for making ice in the ice making module; determining solidification parameters of the aqueous solution according to the solute concentration; calculating theoretical ice making time according to the water solution temperature, the environment temperature and the solidification parameters; according to the water solution temperature and the environmental parameters, corresponding correction is obtained, the theoretical ice-making time is corrected to obtain the ice-making time, and the correction is calculated according to the difference between the corresponding theoretical ice-making time and the actual ice-making time under different water solution temperatures and environmental parameters. The problems that in the prior art, an ice maker cannot accurately display the ice making time, so that a user is prone to wait anxiety, and the experience becomes poor are solved.