8600 results about "Liquid storage tank" patented technology

The invention provides an intelligent monitoring system of a liquid cooling cabinet and processing equipment thereof, and relates to the technical field of data processing, and the system comprises a cold source self-control module which is used for dynamically adjusting the operation state of a cooling tower of primary side circulation and the flow of a circulating water pump according to cooling water parameters, and achieving the variable flow control of cooling water; the dynamic environment monitoring module is used for monitoring the secondary side pipeline state and the cabinet environment in real time through the cooling capacity distribution unit and the distributed sensor network; and the comprehensive monitoring sub-module is used for realizing leakage positioning through a built-in liquid leakage sensor, a temperature sensor and a pressure sensor, and automatically supplementing liquid by using a liquid storage tank. Through multi-mode sensor fusion, dynamic threshold value self-adaption and multi-parameter collaborative analysis, accurate leakage positioning and graded alarm are achieved, automatic liquid supplementing closed-loop control and variable flow adjustment are combined, the system reliability is improved, and energy consumption is reduced.

The invention belongs to the technical field of liquid cooling system control, and discloses a rotating speed prediction and control method for a charging gun liquid cooling system, and the method comprises the steps: obtaining the performance parameters of key parts, including a radiator, a water pump, a fan, a gun line and a liquid storage tank, in the liquid cooling system; inputting the performance parameters into the one-dimensional simulation model to obtain the highest temperature Tcoolant of the cooling liquid under different working conditions; on the basis of the Tcoolants under different working conditions, the relationship between the different working conditions and the Tcoolants is fitted, so that a rotating speed prediction model is obtained; the environment temperature and the gun line resistor heating power under the target working condition are input into the rotating speed prediction model, under the constraint met by Tcoolant, multiple sets of rotating speed combinations meeting the constraint are obtained through prediction, and the rotating speed combination enabling the total energy consumption of the liquid cooling system to be the lowest is selected from the multiple sets of rotating speed combinations to serve as the optimal rotating speed combination of the target working condition; and during charging, the fan rotating speed and the water pump rotating speed are regulated and controlled in real time based on the optimal rotating speed combination. The system has the advantages of advanced adjustment, quick response, energy conservation, high efficiency and the like.

The invention relates to the technical field of compressed carbon dioxide energy storage, and discloses a liquid compressed carbon dioxide energy storage system and method. The system comprises a carbon dioxide circulation system, and the circulation system comprises a first liquid storage tank (1), a first evaporation unit (100), an energy storage unit (200), a second liquid storage tank (6), a second evaporation unit (300), an energy release unit (400) and a condensation unit (500) which are communicated in sequence. According to the system provided by the invention, a liquid compressed carbon dioxide circulating system is deeply coupled with waste heat and waste cold in an ethylene process, so that the problems of a gasification heat source of liquid carbon dioxide on a high-pressure side and a liquefaction cold source of gaseous carbon dioxide on a low-pressure side of a pressure storage system are solved; the bottleneck constraint of heat energy utilization of the conventional adiabatic compression carbon dioxide energy storage system is broken through; elastic distribution of compression heat between industrial steam production and carbon dioxide overheating can be achieved.

The invention relates to the technical field of hydrogen production, in particular to an alkali supplementing system linkage control system based on a magnetic turning plate liquid level meter and a fault diagnosis method. Comprising a magnetic turning plate liquid level detection module installed on an alkali liquor storage tank and used for monitoring the liquid level of alkali liquor in real time and outputting a liquid level signal; the multi-mode signal processing unit is connected with the magnetic turning plate liquid level detection module and is used for carrying out feature extraction and noise suppression on the liquid level signal; the dynamic compensation control module is used for receiving the processed liquid level signal and generating a compensation control instruction according to the liquid level change rate and the alkali liquor temperature; the alkali supplementing valve linkage executing mechanism responds to the compensation control instruction and adjusts the flow output of an alkali supplementing pump; the anti-misjudgment core processor is integrated with three-level check logic, comprises time window trend analysis, multi-sensor data fusion and dynamic threshold self-adaptive adjustment, and is used for eliminating misjudgment interference of the liquid level signal; according to the scheme, the problem of signal distortion of an existing magnetic flap liquid level meter in a complex dynamic environment can be fundamentally solved.

The invention discloses a waste gas washing spray tower with an anti-corrosion structure, and relates to the technical field of waste gas treatment.The waste gas washing spray tower comprises a tower body, a liquid storage tank formed in the tower body, a gas inlet pipe installed on the side wall of one side of the tower body and a gas outlet pipe installed at the top of the tower body; spraying assemblies are mounted in the tower body above the two filler purification assemblies, a demister is mounted on the inner wall of the tower body below the gas outlet pipe, and an anti-corrosion lining is laid on the inner wall of the tower body. By arranging the filler purification assembly, the effect that blocked filler can be automatically discharged from the rectangular grid during cleaning is achieved, manual scraping is not needed, the labor burden of workers is reduced, and the speed of taking the filler out of the spray tower is increased; and by arranging the traction mechanism, the effect that the traction rope pulls and drives the two filler purification assemblies to synchronously turn over is achieved, and simultaneous discharging of filler in the two filler purification assemblies is facilitated.

The invention relates to the technical field of motor heat dissipation, and discloses a lightweight motor heat dissipation structure, which comprises a shell, a stator structure, a rotor structure and a heat dissipation fan, cooling oil in the liquid storage tank is guided into the annular guide groove, the multiple sets of vortex grooves are diffused to the outside in a vortex mode, the cooling oil can be sprayed out to the turbofan blades at the inner diameter position in an accelerated mode through the conical liquid outlet holes in the inner wall of the annular guide groove, and therefore the turbofan blades at the lower portion can conduct vortex rotation; the introduced cooling oil can quickly flow from one side of the stator structure to the other side along the coil gap, so that the flow speed of the cooling oil in the inner cavity of the shell can be accelerated from one side of the stator structure, and the cooling and heat exchange efficiency of the compact coil in the stator structure is improved; the turbofan blades and the vortex grooves can enable cooling oil liquid to be diffused in a vortex mode to flow in the same direction with a rotating shaft in the rotor structure, and therefore the situation that the cooling oil liquid is guided into an inner cavity of the machine shell and influences the rotating speed of the rotor structure is avoided.

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 relates to the technical field of storage tank sampling, and discloses a sampling detection device for a low-temperature tank and a sampling method.The sampling detection device comprises a low-temperature tank body and a liquid storage tank, the feeding end of the low-temperature tank body is communicated with the discharging end of the liquid storage tank through a pipeline, and the discharging end of the low-temperature tank body is sequentially connected with a buffer cylinder and a circulation assembly; as water flows into the buffer cylinder from the low-temperature tank body, when the interior of the low-temperature tank body is in a high-pressure state, the speed of the water flowing into the buffer cylinder can be increased through strong pressure, the main conveying pipe cannot discharge all the water in time instantly, and at the moment, buoyancy of the water enables the semi-floating ball to support the valve plate to ascend; therefore, the communicating position of the pressure relief sampling pipe and the second cavity is opened, a small part of water can flow to the circulating assembly from the pressure relief sampling pipe, the diameter of the pressure relief sampling pipe is smaller than that of the main conveying pipe, impurities in water flow are concentrated accordingly, and the highly-concentrated impurity distribution state is beneficial for being captured by the detection assembly and detected.

The invention discloses cleaning equipment and a cleaning system, relates to the technical field of cleaning robots, and aims to improve the utilization rate of the space in a shell of the cleaning equipment so as to ensure the miniaturization of the size of the cleaning equipment. The cleaning equipment comprises a shell, a cleaning assembly and a liquid storage tank, and a containing space is formed in the shell. The cleaning assembly is arranged in the containing space, the cleaning assembly at least comprises a mop driving module, and the mop driving module is used for being connected with a mop outside the containing space and controlling the mop to move so as to clean the face to be cleaned. The liquid storage tank is arranged in the containing space, and at least part of the liquid storage tank is located below the cleaning assembly. The cleaning equipment is used for cleaning a to-be-cleaned surface.

The invention belongs to the technical field of energy storage fire fighting, and particularly discloses an emergency fire fighting system and method for an immersed battery energy storage power station, and the system comprises a battery pack, an immersion liquid storage tank, a fire fighting liquid storage tank, a pumping system and a control system. The battery pack is composed of a plurality of stacked battery packaging units, and a temperature and smoke sensor array and a scattering nozzle are installed above a battery module in each battery packaging unit and used for monitoring fire behavior in real time and spraying fire fighting liquid. The immersion liquid storage tank is connected with the battery packaging unit through a pipeline and is used for battery heat dissipation and insulation protection; the fire-fighting liquid storage tank is connected to the scattering nozzle through a pipeline to provide emergency fire extinguishing support; the pumping system comprises an immersion liquid pump and a fire-fighting liquid pump; the control system is in linkage with the sensor and the pumping system, electrical isolation, immersion liquid emptying and fire-fighting liquid injection operation of a fault module are automatically triggered according to monitoring data, accurate positioning fire extinguishing is achieved, the influence on adjacent normal modules is reduced to the maximum extent, and safety and operation and maintenance efficiency are improved.

The invention relates to the technical field of measuring devices, in particular to a three-dimensional laser measuring device based on motor detection. Comprising a rack and a microcontroller, and further comprises a moving frame, an electric rotary table and two mold pouring boxes are installed on the moving frame, a to-be-tested motor is arranged on the electric rotary table, an electric heater and a refrigeration module are installed on each mold pouring box, a cavity is formed in each mold pouring box, a turnover frame driven by a turnover motor is installed on a multi-axis mechanical arm, and the turnover frame is provided with a motor. The overturning frame is provided with an overturning clamp for overturning a motor to be tested, the multi-axis mechanical arm is provided with a reflective liquid storage box and a release agent storage box, the reflective liquid storage box and the release agent storage box are both provided with pump bodies, the liquid outlet ends of the two pump bodies are both communicated with spray heads through corrugated connecting pipes, and the two spray heads are both installed on the overturning frame. The beneficial effects of the invention are that through triple data fusion, silicone rubber reverse mold cyclic regeneration and full-process automatic integration, high-precision measurement of the to-be-measured motor during three-dimensional scanning is realized.

The invention relates to the technical field of crop seeding, in particular to a multi-crop compatible pneumatic precision seeder which comprises a rack, a liquid storage tank is mounted on one side of the top of the rack, two mounting boxes are fixedly connected to the outer side of the liquid storage tank, and motors are fixedly mounted outside the mounting boxes. The output end of the motor penetrates through the outer side of the mounting box and is fixedly connected with a fixed disc, a limiting block is fixedly connected to the external eccentric position of the fixed disc, a movable frame is slidably connected to the outer side of the fixed disc, and a connecting rod is fixedly connected to the outer side of the movable frame; seed feeding is accurately controlled through a pneumatic precision seeding technology, uniform seeding and accurate fertilization are realized by matching with the design of the planting box with a quantitative fertilization function and adjustable row spacing, the multi-crop adaptability is improved, and the equipment cost, fertilizer waste and environmental pollution are reduced.

The utility model relates to the technical field of laser welding machines, and discloses a laser welding machine with a heat dissipation mechanism, which comprises a welding machine body and a liquid storage tank fixed on one side of the top of the welding machine body, and further comprises a small water suction pump communicated with one side of the liquid storage tank; cooling liquid in the liquid storage tank is pumped out through cooperation of the small water suction pump and the liquid conveying pipe to be circularly conveyed so as to cool the welding machine body, meanwhile, hot air in the welding machine body is pumped out through cooperation of the cooling mechanism and the exhaust fan, and cold air is input for air circulation; an electric telescopic rod controls a fixing plate to ascend and descend, meanwhile, an adjusting mechanism drives moving wheels to expand outwards, the moving wheels make contact with the ground, the welding machine body can be pushed, workers can conveniently move the welding machine body, and the problems that when an existing laser welding machine is used, the heat dissipation effect is poor, and the welding efficiency is high are solved. And moving is not convenient.

The invention provides a two-phase refrigerator control system and method applied to electrochemical energy storage, the system comprises a two-phase refrigerator, a sensor and a controller, the two-phase refrigerator is composed of a cooling circulation pipeline, a refrigeration circulation pipeline, a plate heat exchanger and a liquid storage tank, the sensor is used for monitoring temperature and pressure, and the controller is used for controlling the temperature and the pressure. The controller accurately controls the system through the electromagnetic valve, the circulating pump, the compressor and the centrifugal fan. The control method is divided into a self-circulation mode and a refrigeration mode, automatic switching can be achieved according to temperature changes, and the cooling efficiency and stability are ensured. Through dual-mode intelligent and frequency conversion control switching, the cooling efficiency and the energy efficiency ratio are remarkably improved, and the problem that in the prior art, the cooling power of a two-phase liquid cooling machine is difficult to effectively control is effectively solved.

The invention relates to an injection system, an injection method and a control method for medical capillary polishing, and the injection system comprises a first liquid storage pipe used for storing magnetorheological fluid; the first three-way connector is connected with the first liquid storage tank through a first pipeline; the first pump is connected with the first three-way joint through a second pipeline; the second pipeline comprises a vertical pipe body which is partially vertically arranged, and the space between the first pump and the vertical pipe body is filled with a gas section; the capillary tube is connected with the first three-way connector through a third pipeline; the first pinch valve is installed on the first pipeline and the third pipeline and used for cutting off the first pipeline or the third pipeline. The particle settling volume in the injection system can be reduced, the machining precision is improved, and the service life of equipment is prolonged.

The invention relates to the technical field of flame cutting machine tools, in particular to an anti-splashing automatic flame cutting device which comprises a cutting table, and a pipe conveying assembly and a pipe output assembly are symmetrically installed at the top end of the cutting table. According to the anti-splashing automatic flame cutting device, a band-type brake stepping motor drives a rotating shaft to rotate, so that a plurality of auxiliary rollers and driving rollers which are arranged in a cavity ring in a surrounding mode at equal angles synchronously rotate, a polishing abrasive belt is driven to synchronously rotate, and therefore the to-be-cut face of a pipe fitting can be comprehensively wrapped and effectively and automatically polished and derusted; the whole cutting quality is guaranteed, subsequent machining and using are prevented from being affected, meanwhile, a limiting gear ring can drive a plurality of abutting blocks on the side edge to rotate synchronously when rotating, and therefore the roller rods are abutted against and make reciprocating motion, and the cutting efficiency is improved. And meanwhile, when the roller rod reciprocates, a certain amount of rust remover in the liquid storage tank can be intermittently sprayed out of the spray head to be sprayed on the surface of the running polishing abrasive belt, the polishing and rust removing effect is improved, and efficiency is improved.

The invention discloses a wastewater degradation and recovery device for white spirit production, and particularly relates to the technical field of wastewater degradation, the wastewater degradation and recovery device comprises a treatment tank and an impurity storage box arranged on one side of the surface of the treatment tank and used for collecting impurities after wastewater treatment, and the other side of the treatment tank is further provided with an input and output assembly; sealing plates for isolating wastewater are arranged on the upper side and the lower side of an inner cavity of the treatment tank respectively, a sealing column is arranged on the opposite surfaces of the two sealing plates, a liquid storage tank is arranged on one side of the sealing plate located on the upper portion, and an air injection stirring assembly is arranged at the bottom of the sealing column. According to the wastewater degradation and recovery device for white spirit production, the mode that large bubbles are directly injected and scattered by a rotary stirring rod to form small bubbles is achieved through the arranged air injection stirring assembly, and meanwhile the injection mechanism is matched for synchronous operation, so that a flocculating agent is rapidly dispersed by means of bubble kinetic energy and the stirring effect, and the flocculation reaction is accelerated; the pollutants can be more quickly coagulated into large-particle flocs, and the wastewater purification efficiency is improved.

The desulfurization tower comprises a tower body, a smoke inlet and a drain outlet are formed in the side portion of the tower body, a smoke outlet is formed in the top of the tower body, and a liquid storage tank, at least one heat exchange layer and at least one absorption layer are sequentially arranged in the tower body from bottom to top at intervals; the cooling supply unit is arranged outside the tower body, is communicated with the liquid storage tank and is used for controlling the temperature of the desulfurization liquid in the liquid storage tank; the heat exchange layer is positioned above the smoke inlet and is used for absorbing heat in the waste gas and cooling the waste gas; the cooling supply unit is used for cooling the desulfurization liquid and then supplying the desulfurization liquid into the tower body for cooling and reacting the waste gas, so that the cooling effect on the tower body is prevented from being influenced by over-high temperature of the desulfurization liquid; waste gas entering the tower body exchanges heat with the desulfurization liquid through the heat exchange layer and can react with the desulfurization liquid preliminarily, the temperature of the waste gas is controlled so that the waste gas can react with the desulfurization liquid fully again in the absorption layer, the desulfurization efficiency is improved, the temperature of the tower body and the temperature during discharging are reduced, and the phenomenon of white smoke caused by too large temperature difference at the smoke outlet is avoided.

The utility model discloses a bottom die cooling disc of an automobile hub gravity casting die, which belongs to the technical field of automobile contour casting and comprises a bottom die body, a cooling pipe is arranged in the bottom die body, a liquid storage tank is fixedly connected to the bottom surface of the bottom die body, one end of the cooling pipe is fixedly communicated with the upper surface of the liquid storage tank, and the other end of the cooling pipe is fixedly communicated with the liquid storage tank. An auxiliary water pump is arranged in the liquid storage tank, the other end of the cooling pipe penetrates through the liquid storage tank and fixedly communicates with the water outlet end of the auxiliary water pump, four auxiliary cylinders are fixedly connected to the bottom face of the liquid storage tank, and a semiconductor chilling plate and a cooling fan are fixedly connected to the inner wall of each auxiliary cylinder. The bottom face of each semiconductor chilling plate is fixedly connected with a cooling fin. According to the bottom die cooling disc of the automobile hub gravity casting die, through cooperation of a plurality of assemblies, the efficient cooling capacity is achieved, long-time cooling is not needed during contour production, the contour production efficiency is effectively improved, and the effects of increasing production benefits and improving the using effect are achieved.

The invention relates to the technical field of hydraulic impregnation machines, and discloses a full-automatic hydraulic impregnation machine which comprises a machine body, an impregnation tank is fixedly mounted on the inner side of the machine body, a hollow tank is arranged in the impregnation tank, a rotating assembly is fixedly connected to the outer side of the hollow tank, and a cover plate is arranged on the inner side of the hollow tank. An impregnation tank is arranged in the machine body, a hydraulic system is arranged in the impregnation tank, a liquid storage tank is fixedly connected to the inner side of the machine body, a vacuum pump is arranged between the impregnation tank and the liquid storage tank, a sealing cover is movably installed on the top face of the impregnation tank, a reflux pump is arranged on the inner side of the machine body, and two suction pipes are arranged on one side of the vacuum pump. Through the arrangement of the rotating assembly, the hollow tank and the capacitor in the hollow tank can be driven to deflect, the electrolyte can make full contact with all parts of the capacitor core body by rotating the capacitor, the electrolyte can better permeate into the winding structure and fill small gaps and pores in the winding structure, and impregnation is more uniform and thorough.

The invention discloses a flue gas desulfurization structure for a thermal power plant, and relates to the technical field of flue gas desulfurization, the flue gas desulfurization structure comprises a desulfurization tower, a flue gas inlet pipe is fixed at the front end of the desulfurization tower, a flue gas discharge pipe is fixed at the upper end of the desulfurization tower, a support is fixed on the outer wall of the desulfurization tower, and support legs are fixed at corners of the bottom end of the support; and a demister is arranged in the desulfurization tower. Through cooperation of the driving part and the spraying part, the first booster pump of the spraying part extracts desulfurization reaction liquid from the liquid storage tank, the desulfurization reaction liquid is distributed to the rotary spraying pipe through the adapter pipe, and full-coverage spraying is achieved through the atomization nozzles; a motor of the driving part drives a bevel gear I to drive a bevel gear ring I and an inner ring spraying pipe to slowly rotate and to be matched with a barrier plate to synchronously rotate, so that the spraying coverage area is enlarged, reaction products attached to the inner wall of the tower are scraped in real time, and blockage is prevented.

The invention relates to the technical field of metal processing, and discloses a production method of an ER2209 austenite ferrite duplex stainless steel welding wire, the ER2209 austenite ferrite duplex stainless steel welding wire comprises an adopted vacuum induction melting furnace and a liquid storage tank, the outer side of the vacuum induction melting furnace is provided with a protective shell, one side of the liquid storage tank is fixedly connected with a conveying pump, and the other side of the liquid storage tank is fixedly connected with a vacuum pump. A cooling assembly is arranged in the protective shell. The preparation method comprises the following steps that S1, raw materials are prepared and smelted; s2, cooling the vacuum induction melting furnace; s3, forging is conducted; s4, hot rolling and solution treatment; s5, acid pickling and surface treatment; s6, cold drawing and intermediate annealing; s7, surface copper plating and finish drawing; and S8, winding and packaging. In the acid pickling process of the wire rod, the oxidation degree of the wire rod is detected, meanwhile, the concentration of the acid pickling solution is adjusted according to the actual situation, and the situation that the surface of the wire rod is excessively corroded or is not thoroughly cleaned due to the fact that the concentration of the acid pickling solution is improper is prevented.

The utility model discloses a dipping device for pultrusion production of a glass fiber reinforced plastic composite fence, and relates to the technical field of dipping devices. The wire guiding devices are symmetrically and fixedly connected to the top end of the liquid storage tank; the outer wall of the pressing device is fixedly connected with the inner wall of the liquid storage tank, the wire guiding device is arranged, glass fiber filaments can be effectively guided to enter the liquid storage tank, it is ensured that the glass fiber filaments are sequentially impregnated, production interruption caused by entanglement of the glass fiber filaments is avoided, the production efficiency is improved, and the production cost is reduced. By means of the arrangement of the adjusting disc and the limiting disc, the distance can be adjusted according to the thickness of different glass fibers, multiple glass fiber filaments are prevented from being tangled, it is guaranteed that each glass fiber filament can be evenly impregnated, and therefore the quality stability of products is improved.

The invention relates to a water spraying mechanism used in cooperation with an unmanned aerial vehicle. The water spraying mechanism comprises a swinging device, a liquid storage tank, a soft spraying pipe and a spraying head, the swinging device is composed of a swinging frame and a power device driving the swinging frame to swing back and forth, the swinging frame is arranged below a rack of the unmanned aerial vehicle, the liquid storage tank is used for storing liquid, a water outlet is formed in the liquid storage tank, and an electric control valve is arranged at the water outlet and used for controlling whether the water outlet discharges water or not. One end of the soft spray pipe is connected with the water outlet, the other end of the soft spray pipe is provided with a nozzle, the soft spray pipe is movably fixed to the swing frame, the water spray angle of the nozzle is controlled through swing of the swing frame, and the water spray mechanism is controlled by an unmanned aerial vehicle main control board. After the structure is adopted, the swing frame is driven by the power device to swing, so that the angle of the spray head on the swing frame is controlled to be adjusted, and the spraying effect can be the most ideal according to the use requirement.

The invention provides a waste steam source high-temperature steam heat pump testing system based on heat energy cyclic utilization, and belongs to the field of compression heat pumps. The invention aims to solve the problems of unstable heat supply in a high-temperature lift, low energy efficiency of an evaporation end, poor temperature control effect of a low-level heat source side and limited thermal control means of an experimental platform. The system comprises a condenser, an expansion valve, a liquid storage tank, an evaporator, a compressor, a water spraying cooling tank, a steam pressure reducing valve, a circulating pump and a regulating valve, or a water mixing cooling tank and a heat supply liquid storage tank are additionally arranged, so that the dynamic balance and control of the temperature of the hot end of the system are realized; or a steam pressure reducing valve is replaced by a steam-water heat exchanger, so that heat exchange is carried out on condensed steam and working medium water to realize mild cooling, and redundant energy consumption is avoided; or a bypass adjustable shunting loop is arranged, so that partial high-temperature backwater bypass mixing is realized, and the thermal matching property and the operation stability of the system are enhanced. According to the invention, the output temperature of over 100 DEG C is realized, and the universality and debugging flexibility of experimental system design are realized.

The utility model provides a bird viewer with optimized air tightness, which comprises an upper cover, a column body, a camera shooting unit and a base, the base is detachably connected with the column body, a sealing ring is sleeved on the column body, the outer wall of the sealing ring is connected with the inner wall of the base, and after the column body is connected with the base, the camera shooting unit is arranged on the upper cover. The pressure of the column body on the base is larger than the gravity of the column body. Compared with the prior art, due to the detachable connection design of the base and the column body, the outer wall of the sealing ring is connected with the inner wall of the base, the pressure of the column body on the base is larger than the gravity of the column body, the sealing ring can further make full contact with the base, and better air tightness is provided. And the third fastening structure and the fourth fastening structure are matched with each other, so that the column body and the base are clamped more firmly. Due to the design of the base sealing piece and the base liquid storage tank, after the liquid is contained, the outer wall of the base sealing piece abuts against the inner wall of the base liquid storage tank, and therefore a better waterproof effect is achieved.

The utility model relates to the technical field of pipeline pumps, and discloses a vertical pipeline pump which comprises a pump body arranged outside a shaft body, a pump cover and a sealing gland, the top of the pump body is connected with the pump cover, the top of the pump cover is connected with the sealing gland, a sealing cavity is formed between the pump cover and the sealing gland, a pump body flushing hole is formed in the pump body, and a pump cover flushing hole is formed in the pump cover. A first sealing flushing hole and a second sealing flushing hole are symmetrically formed in the side wall of the sealing gland, the pump body flushing hole, the pump cover flushing hole and the sealing cavity are sequentially communicated, the first sealing flushing hole is externally communicated with a liquid storage tank water outlet and communicated with the sealing cavity, and the sealing cavity is communicated with the second sealing flushing hole. And the second sealing flushing hole is externally communicated with a liquid storage tank water inlet. The pump body flushing hole is formed in the pump body, the pump cover flushing hole is formed in the pump cover, and sealing flushing liquid enters the sealing cavity along the pump body flushing hole and the pump cover flushing hole, so that the sealing shaft sleeve is flushed and cooled, and the service life of the sealing shaft sleeve is prolonged.

The invention relates to the technical field of storage tank liquid level meters, in particular to a liquid storage tank liquid level meter which comprises a magnetic turning plate liquid level meter used in cooperation with a tank body, the bottom of the tank body is fixedly connected with a water outlet, the top of the tank body is fixedly connected with a water inlet, the outer side of the tank body is further fixedly connected with two sets of butt-joint pipe openings, and the magnetic turning plate liquid level meter is fixedly connected to the butt-joint pipe openings. The arc-shaped baffle is fixedly connected to the bottom of the tank body, the two communicating pipes are fixedly connected to the magnetic turning plate liquid level meter, the filtering assemblies are rotationally connected to the communicating pipes, the two driving assemblies are fixedly connected to the upper end and the lower end of the tank body, the dredging assemblies are fixedly connected to the driving assemblies, and the removing assemblies are fixedly connected to the dredging assemblies. By arranging the dredging assembly and the driving assembly, power generated when liquid enters or is discharged out of the tank body can be used for sweeping the filter cartridge, and swept solid particles are pushed to the middle position of the tank body, so that the solid particles are prevented from being accumulated at the filter cartridge, and the metering accuracy is prevented from being influenced.

The invention discloses a high-temperature supercritical carbon dioxide steady-state jet flow experiment device and method, and the device comprises a liquid storage tank, a liquid booster pump, a plunger pump, a first mass flow meter, a second mass flow meter, a heating section, a first electric control valve, a first-stage cooler, a second-stage condenser, a back pressure valve, and a main loop system composed of related pipe fittings and equipment. The gas supply system consists of a carbon dioxide gas cylinder group, a gas storage tank, a gas booster pump and related pipe fittings and equipment; and the jet experiment section consists of a spray pipe, a second electric control valve, an electric stop valve and related pipe fittings and equipment. The invention further provides an experimental method of the device. According to the invention, the steady-state jet flow experiment research of supercritical carbon dioxide under the high-temperature condition can be realized.

The utility model provides a liquid carbon dioxide energy storage refrigerating system. The liquid carbon dioxide energy storage refrigerating system comprises an energy storage system, a refrigerating system and a heat circulation system. The energy storage system comprises a low-pressure liquid storage tank, a first throttling pressure reducing valve, a first heat exchanger, a compressor, a second heat exchanger and a high-pressure liquid storage tank which are sequentially connected in a sealed mode. The refrigerating system comprises a high-pressure liquid storage tank, a second throttling pressure reducing valve, a third heat exchanger, a fourth heat exchanger and a low-pressure liquid storage tank which are sequentially connected in a sealed mode. The heat circulation system comprises a cold storage tank, the cold storage tank is coupled with the first heat exchanger through a circulation pipeline, and the cold storage tank is coupled with the fourth heat exchanger through a circulation pipeline. In the low peak period of electricity utilization, the electric energy is stored in the form of high-pressure liquid carbon dioxide. And the liquid carbon dioxide is gasified and cooled through pressure reduction of the second throttling pressure reducing valve so as to provide cold energy. And meanwhile, cold energy generated in the refrigeration process can be stored through the heat circulation system and used for cooling carbon dioxide in the energy storage process.