902 results about "External Liquid" patented technology

An information technology equipment enclosure comprises a plurality of IT components, cold plates disposed over at least two of the IT components, and a cooling fluid manifold disposed within the IT equipment enclosure. The coolant liquid manifold has multiple input connectors and multiple output connectors. Each of the cold plates are coupled to the cooling fluid manifold using a coolant line attached to one of the input connectors and a coolant line attached to one of the output connectors. An input cooling liquid line couples the coolant liquid manifold to an output of an external liquid cooling system, and an output liquid line couples the coolant liquid manifold to an input of the external liquid cooling system. The coolant liquid manifold is configured to receive cooling fluid from the external liquid cooling system and to distribute the cooling fluid to all of the cold plates via the input connectors.

System (200) for heating a structure (10), wherein the system comprises a first heat pump (210), arranged to transfer heat to a first hot-side external liquid from a cold-side external liquid circulating in the ground (20) or a water body (21); and a second heat pump (220), arranged to transfer heat to a second hot-side external liquid; wherein the system is arranged to heat the structure (10) via heat exchange with at least the first external liquid. The air-to-liquid heat pump uses carbon dioxide as an internal-loop heat medium, and the system comprises a third heat exchanger (230) being arranged to, cool the internal-loop heat medium by heat exchange with the cold-side external liquid, the cooling of the internal-loop heat medium being to a temperature of less than a critical point (CP) of the internal-loop heat medium. The invention also relates to a method.

The invention discloses an efficient heat dissipation system of a new energy automobile circuit board, and the system comprises a composite heat dissipation substrate which is formed by compounding a ceramic substrate layer, a graphene heat conduction layer and a copper alloy supporting layer through vacuum hot pressing, and the surface of the graphene heat conduction layer is provided with a micron-sized groove array; the dynamic heat dissipation assembly comprises a thermoelectric refrigeration module and a temperature sensor which are embedded in the composite heat dissipation substrate, the thermoelectric refrigeration module is linked with the temperature sensor through a PID controller, and active refrigeration based on temperature rise of the circuit board is achieved; the multi-layer heat dissipation channel comprises a micro-channel and a bionic fin structure, the micro-channel vertically penetrates through the composite heat dissipation substrate, the bionic fin structure covers the surface of the substrate, and the micro-channel is filled with a phase change material and is communicated with an external liquid cooling circulation system; the airflow adjusting module comprises a rotatable flow guide plate and a piezoelectric fan array, the flow guide plate dynamically adjusts the heat dissipation airflow direction according to the vehicle speed, and the frequency response range of piezoelectric fans is larger than or equal to 100 Hz.

The utility model relates to the field of machinery, and discloses a rotary tool for downhole operation, which comprises an upper joint, a protective outer cylinder is fixedly connected to the bottom of the upper joint, a spiral groove inner cylinder is sleeved in the protective outer cylinder, a plurality of spiral grooves are arranged on the outer wall of the spiral groove inner cylinder, a return spring is sleeved outside the spiral groove inner cylinder, and a plurality of spiral grooves are arranged on the spiral groove inner cylinder. The bottom end of the return spring is fixedly connected with a sliding connector, the bottom of the sliding connector is fixedly connected with a rotating inner cylinder, and the bottom of the rotating inner cylinder is fixedly connected with a lower connector. In the utility model, the rotation function is realized under the condition of no hydraulic power, the damage of external liquid to a coal reservoir is avoided, the rotation function can be realized only by moving up and down, the operation is simple and convenient, the risk that a pipe string is blocked in horizontal well sand fishing is reduced, the device is directly connected with a pen point, the distance is short, and the formed rotation torque acts on the sand surface, so that the operation is simple and convenient. And the passing capacity and efficiency of the bailing pipe string are improved.

The invention discloses a five-axis milling machine, and relates to the technical field of five-axis milling machines, a moving frame is arranged on the side of a working table, a working module used for clamping a workpiece is arranged on the moving frame, and a rotating box connected with an external liquid supply assembly is rotationally arranged below the working module; and a nozzle for atomizing the cutting liquid is arranged below the rotating box in a penetrating mode, a lubricating box is arranged on the side of the rotating box, and an oil supply mechanism is arranged between the lower portion of the lubricating box and the lower surface of the working module. According to the five-axis milling machine, the moving frame can achieve three-axis movement through mutual cooperation of the X-axis moving module, the Y-axis moving module and the Z-axis moving module, so that workpieces at different position distances are machined according to needs, the A-axis rotating module can drive the containing table to conduct A-axis rotation, the C-axis rotating module can drive the machining table to conduct C-axis rotation, and therefore the machining efficiency is improved. And the five shaft bodies are matched with one another to mill a workpiece, so that the machining efficiency is improved.

The invention belongs to the technical field of communication component welding, and discloses a communication component welding tool which comprises a welding tool body, a limiting frame is fixedly connected to the top of the welding tool body, and the communication component welding tool further comprises a heat conduction energy storage power generation assembly. The communication component is fixed to the surface of the graphene vapor chamber through the welding tool, so that the graphene vapor chamber conducts high heat generated by welding of the communication component to the alloy phase change module, and the alloy phase change module stores the heat and provides the heat for the thermoelectric power generation module; the cold end radiator communicates with an external liquid nitrogen storage tank to provide a refrigerant for the thermoelectric power generation module, the thermoelectric power generation energy-saving effect is achieved, meanwhile, the graphene vapor chamber can preheat communication parts to be welded through the preheating copper plate, the temperature difference between a PCB and elements can be effectively eliminated through preheating, welding spot cracking or internal stress damage of the communication parts is avoided, and the welding quality of the communication parts is improved. And meanwhile, wet parts can be dried.

The invention discloses wall crack repairing equipment and method. The equipment is provided with a swing block, a rotating motor is installed at the outer side end of the swing block, an output rod is hinged to the output end of the rotating motor, and the other end of the output rod is connected with a grouting rod; a plurality of grouting pipes are arranged in the grouting rod, and a slurry coating plate is arranged between the grouting rod and the output rod; a liquid box is arranged at the rear side end of the slurry coating plate, the slurry injection rod is rotationally installed on the slurry coating plate, and one end of the slurry injection pipe communicates with the liquid box. The liquid box is connected with an external liquid supply pump; an annular pasting groove is formed in the front side end of the pasting plate, a plurality of spraying openings are formed in the bottom in the pasting groove, and the spraying openings are connected with the liquid box through pipelines; a slurry coating block is arranged in the slurry coating groove, and the slurry coating block can circumferentially surround the axis of the grouting rod; and the paste coating block is driven by a driving mechanism in the paste coating plate to rotate, so that uniform coating of the repairing liquid is realized. The labor intensity can be relieved, and higher smearing quality is achieved.

This application provides a charging method, which includes: determining the connection status between an electric vehicle and a charging device, and the connection status between the electric vehicle and an external liquid cooling device; and, based on the connection status of the electric vehicle and the charging device, sending an overcharge request message to the charging device, wherein the overcharge request message instructs the charging device to charge the electric vehicle at a first output power, the first output power being greater than or equal to a preset power. The charging method provided by this application enables the charging device to charge the electric vehicle at high power while the external liquid cooling device cools the electric vehicle by transferring a liquid cooling medium to it. This helps meet the heat dissipation requirements of the electric vehicle's power battery during high-power charging, allowing the electric vehicle to be charged at high power and reducing the charging time.

The invention discloses a filtering system and a working method thereof, and relates to the technical field of fluid filtration, the filtering system comprises a main filter and a standby filter, the main filter and the standby filter are both internally provided with precise filter element mechanisms, and both the main filter and the standby filter are provided with liquid inlets; a liquid inlet of the main filter is communicated with an external liquid feeding main pipeline, and the main filter is provided with a hydraulic detector; the filter further comprises a lifting driving mechanism and a valve switching mechanism, the lifting driving mechanism is arranged on the main filter, and the valve switching mechanism is arranged between the liquid inlets of the main filter and the standby filter. When the precise filter element mechanism is used for filtering, if the internal pressure of the filter cartridge of the main filter exceeds a set value, the standby filter is switched to replace the filtering operation, so that an operator can conveniently replace the precise filter element mechanism in the main filter under the condition that the filtering operation does not need to be stopped.

The embodiment of the invention provides an immersed liquid cooling box, and relates to the field of battery heat dissipation and cooling. The immersed liquid cooling box comprises an outer shell, a partition plate and an adjusting device, the partition plate is arranged in the outer shell, a first cavity and a second cavity are defined by the partition plate and the outer shell, the first cavity and the second cavity are both communicated with an external liquid cooling medium, a plurality of through holes are formed in the partition plate and can be communicated with the first cavity and the second cavity, and the adjusting device is arranged on the partition plate. The liquid cooling medium can circulate between the first chamber and the second chamber through the through hole; the adjusting device is used for adjusting the overflowing section area of the through hole and changing the flow of the liquid cooling medium in the second cavity, so that the local temperature of the battery module in the second cavity is changed, and the temperature uniformity of each part of the battery module is improved.

The invention discloses a livestock and poultry wastewater treatment mechanism for microalgae culture. The livestock and poultry wastewater treatment mechanism comprises an outer box body, a rotating cylinder, a filter screen plate, a liquid guide mechanism and a driving motor, when each filter screen plate rotates to the top of the rotating cylinder, the filter screen plate is right opposite to the lower part of the feeding hopper, so that wastewater liquid is fed through the feeding hopper and is filtered through the filter screen plate, impurities are filtered out on the filter screen plate, and the liquid enters the built-in flow guide cover and is guided through the flow guide pipe to be discharged into an external liquid discharge cover to be discharged; and when many impurities exist on the filter screen plates, the driving motor drives the rotating cylinder to rotate regularly, so that the other filter screen plate rotates to the top of the rotating cylinder and faces the lower portion of the feeding hopper, replacement of the filter screen plates is achieved, and operation efficiency and convenience are improved.

The invention discloses an angle-variable and self-revolution wafer base device, and belongs to the technical field of wafer bases, the angle-variable and self-revolution wafer base device comprises a revolution base, a gear carrier is fixedly connected to the center of the top of the revolution base, and a base is arranged above the gear carrier. According to the cooling device, an external liquid supply device conveys cooling water into the connecting base through a cooling water inlet pipe, inclined blades in the connecting base drive a driving shaft and a double-end protruding block to rotate, a sliding block drives an annular gear and a cooling disc to rotate through a rack, and the rotating cooling disc centrifugally throws out the cooling water; a uniform and dead-corner-free cooling water curtain is formed, the rotation shaft and the adjusting shaft are completely wrapped, the cooling uniformity of the peripheral side of the shaft body is ensured, stable and efficient heat exchange is achieved, sprayed cooling water can cool the revolution seat and the gear carrier at the same time, the influence of the high temperature in the reaction cavity on the device is reduced in an auxiliary mode, and the reaction efficiency is improved. And the operation reliability and the overall performance of the device are obviously improved.

The invention relates to the related technical field of medical instruments, in particular to a contrast injection device for enhancing nuclear magnetic resonance, which comprises a base, a mounting shell arranged at the upper part of the base, a first barrel arranged at the left upper part in the mounting shell, a second barrel arranged at the right upper part in the mounting shell, and a mixing barrel arranged in the middle of the upper part of the mounting shell, a first piston rod is arranged in the first barrel, a second piston rod is arranged in the second barrel, communicating pipes are respectively communicated between the first barrel and the mixing barrel and between the second barrel and the mixing barrel, a one-way water inlet pipe is arranged at the top of the barrel, and the one-way water inlet pipe is communicated with an external liquid storage tank. By rotating the adjusting screw rod, the adjusting screw rod drives the first wedge-shaped block to move to the position of the needed dosage, then the rodless air cylinder controls the extrusion plate to move upwards, and after the extrusion plate moves upwards and makes contact with the plate body, the piston rods move upwards to inject the contrast agent and normal saline of the corresponding dosage into the mixing barrel to be mixed.

The utility model discloses an electric spindle and a numerical control machine tool applying the same, the electric spindle comprises a compression ring assembly, a shaft core, a bearing, a bearing seat and a shaft sleeve, the compression ring assembly is sleeved outside the shaft core, the compression ring assembly and the shaft core are in threaded connection, the bearing is sleeved on the shaft core, and the end face of the bearing abuts against the end face of the compression ring assembly. The bearing seat is arranged outside the pressing ring assembly and the bearing in a sleeving mode and connected with the shaft sleeve arranged on the shaft core in a sleeving mode. According to the utility model, the compression ring assembly and the shaft core are connected into a tight whole through threaded connection, so that cutting fluid cannot permeate; certainly, cutting fluid is prevented from entering, the interior of the motorized spindle can be effectively sealed through threaded connection, invasion of other media such as external liquid, gas and dust is prevented, and it is guaranteed that the working environment of the motorized spindle meets the requirement. The electric main shaft provided by the utility model adopts excellent sealing performance of threaded connection, can effectively prevent cutting fluid from entering the main shaft cavity, and improves the safety and reliability of the electric main shaft.

The present invention discloses a smoothie preparation apparatus, which comprises: a housing having a smoothie preparation region and an air inlet part, cold airflow entering the smoothie preparation region through the air inlet part, the smoothie preparation region having a lead-out part; a temperature detection unit; the ice-making roller is in driving connection with the driving mechanism and is positioned in the smoothie preparation area; the spraying part is positioned in the smoothie preparation area and is used for spraying external liquid to the outer side wall of the ice-making roller; an ice layer thickness detection unit; the first scraper and the second scraper are oppositely located on the two sides of the ice making roller, and the scraper set is driven by the driving assembly to move close to or away from each other; and a distance detection unit for detecting a distance between the first blade and the second blade. The ice columns are formed by external liquid in a spraying mode, the smoothie is prepared by cutting the ice columns, and the preparation efficiency and quality of the smoothie are improved.

The utility model discloses a control switch and a vehicle. The control switch comprises a shell, a mounting frame, a key assembly and a switch assembly, and a mounting hole is formed in the shell; the mounting frame is connected with the shell and defines a mounting space, the mounting hole communicates with the mounting space, and the mounting frame is used for blocking an opening where the mounting hole communicates with the mounting space; at least part of the key assembly is arranged in the mounting hole in a penetrating manner and can slide in the mounting hole; the switch assembly is arranged on the installation frame and located in the installation space, and a waterproof piece is arranged on the switch assembly and located in the installation space. According to the control switch provided by the invention, the waterproof piece covers the switch assembly, so that external liquid can be prevented from entering the switch assembly to cause short circuit, and the control switch can be used in severe environments such as humid environments and dusty environments, so that the service life of the control switch is prolonged, and accidents are prevented.

The present invention relates to the technical field of mechanical pumps, and in particular to a liquid variable displacement mechanical pump. A liquid variable displacement mechanical pump comprises a pump body, a diaphragm, an adjusting mechanism and a driving mechanism. A first installation cavity is provided on the pump body, and a heat insulation board is provided in the first installation cavity. The heat insulation board and the diaphragm define the first installation cavity into a liquid flow cavity, an adjusting cavity and a cooling cavity. External liquid passes through the liquid flow cavity, and a regulating liquid is provided in the adjusting cavity, and a cooling liquid is provided in the cooling cavity. Through the arranged adjusting mechanism, flowing external liquid is introduced into the liquid flow cavity, and the regulating liquid in the regulating cavity receives the heat transferred by the external liquid through the heat insulation board. Part of the cooling liquid enters the interior of the bellows, and the cooling liquid in the bellows cools the regulating liquid in the regulating cavity, thereby preventing the diaphragm from being damaged after being heated. The present invention provides a liquid variable displacement mechanical pump to solve the problem that the existing piston diaphragm pump may damage the diaphragm when conveying high-temperature liquid.

The invention relates to the technical field of resistors, in particular to a high-performance heat dissipation load unit which comprises an air duct, a motor fixed to the air duct, a rotating shaft installed on an output shaft of the motor, a supporting disc fixed to the rotating shaft and a plurality of supporting fan blades fixed to the supporting disc in a spaced mode in the circumferential direction. The air duct is provided with an external liquid groove, and the outer end part of each supporting fan blade is provided with an external leading-out terminal inserted into the external liquid groove; the air duct is provided with an internal liquid receiving groove; an inner leading-out terminal inserted into the inner liquid receiving groove is arranged at the inner end part of each supporting fan blade; the supporting fan blades are insulators, and the two ends of the resistance wire of each supporting fan blade are connected with the outer leading-out terminal and the inner leading-out terminal of the corresponding supporting fan blade respectively, so that the resistance wires are electrically conducted through the conductive liquid. Compared with an existing load, the heat dissipation effect is good, the wind resistance is low, and the requirement for a draught fan is lowered. Whether the group of resistance wires are used or not can be adjusted by changing whether the external leading-out terminals are immersed into the conductive liquid in the external liquid tank or not, so that the power of the whole resistor unit can be adjusted.

The invention relates to the technical field of heat exchangers, and provides a sulfide production heat exchanger which comprises a shell, end covers are fixedly connected to the two ends of the shell, an outer liquid outlet pipe is fixedly connected to the upper portion of the left end cover, an outer liquid inlet pipe is fixedly connected to the lower portion of the right end cover, and a driving motor is fixedly installed on the right side of the right end cover. An output shaft of the driving motor is fixedly connected with a transmission shaft, the middle of the transmission shaft is in threaded connection with a threaded sleeve, the curved surface of the threaded sleeve is fixedly connected with a moving plate, a plurality of scraping rings are fixedly installed in the moving plate, a stirring mechanism is installed on the right side of the threaded sleeve, and a scraping plate is fixedly installed at the left end of the transmission shaft. According to the technical scheme, the problems that the overall heat transfer performance of the heat exchanger becomes poor, the stability and efficiency of the technological process are affected and it is difficult to ensure that heat can be evenly transferred from a hot medium to a cold medium due to the fact that existing dissolved substances are separated out and deposited on the pipeline wall and thermal resistance is increased along with the increase of the thickness of a scaling layer are solved.

The utility model discloses a poultry vaccination marking mechanism which comprises an ink jet mechanism, the ink jet mechanism is flat and hollow and is connected with an external liquid pump through a hose, one side of the ink jet mechanism is provided with a nozzle, the other side of the ink jet mechanism is rotatably provided with a limiting ball, one end of the limiting ball is connected with a connecting mechanism through a connecting rod, and the other end of the limiting ball is connected with the connecting mechanism. The input end of the liquid pump is connected with an ink box containing marking ink through a pipeline, and the output end of the liquid pump is connected with the ink jetting mechanism through a hose. The trigger switch of the liquid pump can be linked with the vaccine injector, when the vaccine injector is started to inject vaccines once, the liquid pump operates once, a certain amount of ink is sprayed to feathers on poultry bodies, and the ink-jet mechanism is linked with the vaccine injection mechanism to inject the vaccines into the feathers. Meanwhile, the poultry feather marking device is small and exquisite in design, light, simple in structure, low in use and maintenance cost and suitable for small-scale poultry breeding.

The utility model discloses a filling and cleaning system of a strip packaging machine, which comprises a body and a pipeline system, and the pipeline system comprises a liquid medicine inlet pipe which is communicated with external liquid medicine and a liquid medicine tank of the strip packaging machine; the cleaning liquid inlet pipe is communicated with the top of the liquid medicine tank and cleaning liquid supply equipment; the compressed air pipe and the breathing air pipe are both communicated to the liquid medicine tank; the filling pipeline is provided with a first branch pipe and a second branch pipe after being communicated with the liquid medicine tank, the first branch pipe is directly communicated with the liquid discharge pipeline, and the second branch pipe is communicated to the liquid discharge pipeline after passing through the guide pipe and the filling equipment; and valves for adjusting the opening and closing states of the corresponding pipelines are arranged on the pipelines and the branch pipes. The pipeline system is arranged at the top of the body, so that no extra space is occupied in the filling and cleaning processes, only the position space occupation of the body structure needs to be considered in the arrangement of the strip packaging machine, meanwhile, the pipeline system bears the filling and cleaning processes through independent opening and closing, and equipment does not need to be switched, so that the production and cleaning efficiency is improved.

The invention discloses a new energy vehicle transmission breathing device which comprises a transmission shell assembly, a ventilation valve assembly and a one-way breathing assembly, the transmission shell assembly comprises a first shell and a second shell, and the ventilation valve assembly and the one-way breathing assembly are arranged at the two ends of the second shell; the ventilation valve assembly comprises a valve body assembly and a turbulent flow ventilation assembly arranged in the valve body assembly, and the valve body assembly is arranged in the first shell in a penetrating mode and movably connected with the first shell; the one-way breathing assembly comprises a one-way breathing valve moving in the length direction of the first shell, a base arranged on the first shell and an elastic piece connected with the one-way breathing valve and the base. A multi-stage oil-gas separation structure is arranged in the first shell and the turbulent flow ventilation assembly, oil particles are prevented from blocking the macromolecule ventilation film, meanwhile, the arrangement of the one-way ventilation valve also prevents external liquid from entering the transmission, and failure of internal high-voltage electric devices is avoided.

The utility model relates to the technical field of heat dissipation of servers, and discloses an embedded vapor-liquid two-phase cold plate heat dissipation device of an intelligent computing server, which comprises a vapor-liquid two-phase cold plate, an inner fan, an inner circulation system and an outer circulation system, wherein the inner circulation system and the outer circulation system are communicated with the vapor-liquid two-phase cold plate; the gas-liquid two-phase cold plate is connected to a chip of the server through heat-conducting silica gel, and refrigerant channels are further distributed on the gas-liquid two-phase cold plate; the internal circulation system comprises a heat exchanger, a refrigerant storage tank and a gas-liquid two-phase pump, and the external circulation system comprises an outdoor cold source, a refrigerant circulation pump, an external liquid storage tank, an external circulation inlet pipe and an external circulation return pipe. According to the device disclosed by the utility model, the air-cooled heat dissipation of the inner fan in the shell is combined with the liquid-cooled heat dissipation of the embedded gas-liquid two-phase cold plate on the server, and the formed gas-liquid two-phase heat dissipation cooling mode is used for cooling the server, so that the heat dissipation cooling efficiency can be greatly improved; and meanwhile, applicable cooling can be performed according to heat dissipated during working of the server, so that the cooling efficiency is ensured, and excessive operation of the heat dissipation and cooling device can be avoided.

The invention relates to the technical field of rehabilitation nursing, and discloses a disposable temperature monitoring proportioning hip bath system which comprises an inner barrel and an outer barrel, the inner barrel contains hip bath liquid, the top of the outer barrel is fixedly connected with the lower surface of the top of the inner barrel, and temperature control heat conduction liquid is contained in a closed space formed between the outer barrel and the inner barrel. A temperature monitoring module is arranged on the inner side wall of the inner barrel and used for collecting hip bath liquid temperature data in real time; the proportion adjusting module is connected with an external liquid medicine storage container and a water source and can control the injection amount of liquid medicine and clear water according to preset proportion parameters, and liquid is mixed into the inner barrel. A liquid level detection module in the inner barrel is responsible for monitoring the liquid level height of liquid; a heating temperature control module is embedded in the inner wall of the outer barrel, is in contact with the temperature control heat conduction liquid and is used for heating and controlling the temperature; and the control module is electrically connected with the modules respectively. Through cooperation of multiple modules, precise regulation and control of the hip bath liquid temperature, automatic blending of liquid medicine in proportion and stable maintenance of the liquid level are achieved.

The invention discloses an air pressure liquid level meter, a liquid storage device and plant protection equipment. The first waterproof pipe is communicated with the air pressure sensor; the inner pipe diameter of the air guide pipe is larger than that of the first waterproof pipe, one end of the air guide pipe is communicated with the air pressure sensor through the first waterproof pipe, and the other end of the air guide pipe is used for extending into liquid to sense water pressure. The air guide pipe and the air pressure sensor can be communicated through the first waterproof pipe, and when external liquid enters the air pressure sensor through the end, away from the air pressure sensor, of the first waterproof pipe, the liquid easily forms a water column in the first waterproof pipe under the action of liquid tension; the water column can isolate the space between the barometric sensor and the first waterproof pipe from the outside, which is equivalent to forming plugging and preventing air between the barometric sensor and the first waterproof pipe from being discharged, and when the pressure of external liquid is balanced with the pressure of air in the first waterproof pipe, the liquid cannot continuously enter, so that the waterproofness of the barometric sensor is realized.

The invention relates to the field of flow measurement, in particular to a gear flowmeter. The gear flowmeter comprises a shell, an accommodating cavity is formed in the shell, and a liquid inlet and a liquid outlet which are communicated with the accommodating cavity are formed in the surface of the shell; the two gears are arranged in the containing cavity and meshed with each other, through holes are evenly formed in the periphery of the axis of each gear, and the two ends of each through hole are flush with the end face of the corresponding gear. The sealing assemblies are arranged at the two ends of the through hole and used for sealing the two ends of the through hole. The containing cavity is formed in the shell, the two gears can be placed in the containing cavity, the through holes are evenly formed in the peripheries of the axes of the gears, and therefore the weight of the gears can be reduced, the rotational inertia of the gears can be reduced, and the starting torque of the gears can be reduced; the sealing assembly can prevent external liquid from entering the gear to increase friction between the gear and the liquid, and the overall measurement precision is improved.

The invention discloses a noise-reducing easily-cooled magnetic drive pump structure which comprises a motor, a driving shaft is assembled in the middle of the output end of the motor, the driving shaft is fixedly sleeved with an outer magnetic sleeve, a plurality of outer magnetic rotors are circumferentially arranged on the inner surface of the outer magnetic sleeve at equal intervals, an isolation sleeve is arranged in the outer magnetic sleeve, and the diameter of the isolation sleeve is smaller than the inner diameter of the outer magnetic sleeve. An inner magnetic sleeve is arranged in the isolation sleeve, a spiral pipe is arranged in the inner magnetic sleeve, the spiral pipe is arranged around the sleeve, and the spiral pipe does not make contact with the sleeve. Cooling liquid absorbs heat from the spiral pipe and then enters the deluge pipe through the output pipe to be sprayed, the closed circulation system can effectively transfer heat inside the magnetic drive pump to the external liquid tank environment, heat is continuously generated when the magnetic drive pump operates, and the circulation mechanism ensures that the heat can be continuously transferred, so that the service life of the magnetic drive pump is prolonged, and the service life of the magnetic drive pump is prolonged. And the temperature in the magnetic drive pump is maintained in a proper range, so that the stable operation of the magnetic drive pump is ensured.

The utility model discloses an external liquid seal desulfurizing tower overflow device which comprises a desulfurizing tower main body, an inlet flue is connected onto the desulfurizing tower main body, an overflow port is arranged on the tower wall of the desulfurizing tower main body, the overflow port is connected with an overflow inclined pipe, an included angle alpha is formed between the overflow inclined pipe and the horizontal plane, the upper end of the overflow inclined pipe is connected with a discharge pipe, and the lower end of the discharge pipe is connected with a liquid outlet. The lower end of the discharge pipe is inserted into the liquid level of the liquid collecting pit, the liquid collecting pit is located on the lower portion of the discharge trench, and nozzles are arranged on the periphery of the bottom of the liquid collecting pit and connected with a process water pipe. The overflow device is simple in structure, the overflow inclined pipe is obliquely arranged without scaling, and the overflow device is maintenance-free; the overflow pipe is balanced with the pressure in the tower, and easy-to-bubble substances floating on the liquid level directly overflow and are discharged, so that the problem of bubble overflow of slurry is thoroughly solved, the field environment quality is improved, the labor intensity is reduced, and the material consumption is reduced.

The utility model provides a pull rod type hydraulic oil cylinder, which relates to the technical field of hydraulic oil cylinders and comprises an oil cylinder body. According to the device, under the interaction of all the components of the device, the two protection boxes are used for providing stable basic protection for the hydraulic oil cylinder, then the dustproof ring effectively prevents external dust from entering, the sealing ring ensures the sealing performance and prevents external liquid or gas from entering, the two adjusting screw rods are rotated to enable the dust scraping ring to be tightly attached to the piston rod, and therefore the hydraulic oil cylinder is prevented from being scraped. When the dustproof ring loses efficacy due to abrasion or looseness, the dust scraping ring can continuously and effectively scrape impurities on the piston rod, meanwhile, by means of elastic supporting of the two sets of springs, when the dust scraping ring deviates due to abrasion or deformation, the elastic restoring force of the springs can enable the dust scraping ring to reset rapidly, it is guaranteed that the dust scraping function is continuous and effective, and therefore the service life of the hydraulic oil cylinder is remarkably prolonged, and the service life of the hydraulic oil cylinder is prolonged. In addition, the design of the two protection boxes is convenient to disassemble and assemble, and maintenance and replacement work of the dustproof ring, the sealing ring and the dust scraping ring are greatly facilitated.

The invention provides a detection assembly and a blood gas analysis system. The detection assembly comprises a first liquid path, a second liquid path, a liquid inlet, a liquid outlet and a valve assembly, one end of the first liquid path is communicated with the liquid inlet, and the other end is communicated with the liquid outlet; one end of the second liquid path is communicated with the liquid inlet, and the other end is communicated with the liquid outlet; the valve assembly is located at the liquid inlet, the liquid outlet and / or between the liquid inlet and the liquid outlet, and can be switched between a first conduction state and a second conduction state; in the first conducting state, first external liquid can flow into the first liquid path from the liquid inlet and can flow out of the first liquid path from the liquid outlet; and in the second conducting state, second external liquid can flow into the second liquid path from the liquid inlet and can flow out of the second liquid path from the liquid outlet. According to the detection assembly and the blood gas analysis system provided by the invention, a reference solution does not need to be preset in the detection assembly in advance through the structural arrangement, so that the size of the detection assembly can be reduced, and the problem that the reference solution is out of date due to long-term non-use of the reference solution is avoided.