276results about How to "Guaranteed pressure" patented technology

The invention relates to the technical field of laser cutting, in particular to a laser cutting carrying table and laser cutting equipment. The device comprises a machine body, racks are arranged on the two sides of the bottom of a movable base plate, a vibration assembly is arranged below the racks, and when the movable base plate moves, the racks drive the vibration assembly to knock the surface of a workbench. When the eccentric rod rotates, a hitting ball is driven to hit the surface of the workbench, slag particles left in a supporting plate on the surface of the workbench are loosened, the slag particles adhered and clamped in the supporting plate are blown away in cooperation with an air blowing pipe, and it is avoided that slag splashes into a laser light path, and the cutting precision and quality are seriously affected; the surface of the supporting plate is always kept in a clean state, and the service life of the laser cutting device is prolonged.

The invention relates to the field of pressure detection, and discloses a multi-way valve pressure detection mechanism which comprises a multi-way valve body, an air inlet pipe is fixedly installed on one side of the multi-way valve body, a pressure measuring pipe is fixedly installed at the top of the air inlet pipe, and the multi-way valve pressure detection mechanism further comprises a stabilizing assembly which comprises a rotating rod rotationally installed in the pressure measuring pipe. A rotating plate is fixedly installed at the bottom end of the rotating rod, a cross plate is fixedly installed at the top end of the rotating rod, and a piston plate is installed in an inner cavity of the pressure measuring pipe in a sealed and sliding mode. Impact force generated by instantaneous airflow fluctuation can be buffered, the speed of the impact force can be slowed down, meanwhile, automatic pressure relief can be conducted according to the pressure, the stability in the pressure detection process can be effectively improved, the safety is improved while the working efficiency of a pneumatic system is improved, and the practicability is high. And the situation that the pressure detection process is unstable under the influence of instantaneous fluctuation of the air flow in the past is avoided.

The invention discloses an in-reactor fuel irradiation test loop based on the working condition of a pressurized water reactor. The in-reactor fuel irradiation test loop comprises a main circulation system, a purification system, a fission substance release monitoring system, a water supplementing system, an emergency cooling system, a cooling water system, an in-reactor device pressure failure online monitoring system, a reactor shutdown protection system, a thermal parameter measurement system, a power supply system and an air ventilation and exhaust system. According to the loop, a pressurized water reactor working condition environment is realized, and various technical indexes such as temperature, pressure, flow velocity and water quality required by fuel test are ensured to be reached; the safety level of each system is reasonably configured, so that the requirements of laws and regulations are met, and the safety performance of the loop is improved; by reasonably arranging a multi-stage cooling water system, an air exhaust system and the like, the radioactive activity of an exhaust flow is reduced, the environmental safety is ensured, the release of radioactive aerosol in a process is eliminated, the exposure dose of workers is reduced, the safety of the workers is ensured, the safety risk of devices in the reactor to the reactor under the working condition of a fracture accident is eliminated, and the reliability of the system is improved.

The utility model discloses a heater with a cleaning device, the heater is provided with a heating pipe, the cleaning device comprises a dry ice spraying device, the spraying opening of the dry ice spraying device faces the heating pipe, and the dry ice spraying device is used for spraying dry ice to the heating pipe; the output end of the ultrasonic device faces the heating pipe, and the output end of the ultrasonic device transmits ultrasonic waves into the dry ice medium sprayed by the dry ice spraying device. According to the utility model, stains are cleaned in a manner of spraying dry ice and superposing ultrasonic waves, the dry ice can effectively remove oil stains and impurities at low temperature, chemical solvents are not needed, the environment is not polluted, residues are not generated after sublimation, and the cleanliness of the heater is ensured; and high-frequency vibration of the ultrasonic waves can not only vibrate out stains in gaps of the heater, but also promote the reaction between the dry ice and the stains, so that the cleaning effect of the cleaning device is further improved.

The invention discloses an intelligent pressure regulating and metering pry, and belongs to the technical field of pressure regulating and metering pry. Comprising a base; the skid-mounted component and the valve bodies are arranged on the base, the valve bodies are fixedly connected and communicated with the skid-mounted component, the valve bodies are in sealed sliding connection with valve rods, and the valve rods are in sealed sliding and rotating connection with sealing blocks; the sealing blocks are fixedly connected with first connecting pieces, the multiple sliding frames slide on the first connecting pieces of the adjacent sealing blocks respectively, the sealing blocks are fixedly connected with first sealing rings, and the multiple sliding frames located on the first connecting pieces of the same sealing blocks are jointly and fixedly connected with rubber rings. Solid particles located at the attaching position of the first sealing ring and the valve body are pushed to the outside in advance, then the first sealing ring and the valve body are attached to complete plugging, and the situation that the first sealing ring cannot be completely attached to the valve body due to the solid particles, and the sealing effect is reduced is avoided.

The utility model discloses a biscuit packaging quality detection device which comprises a detection table and further comprises a detection assembly arranged on the detection table and used for detecting the sealing state of biscuit packaging, and the detection assembly is provided with a control assembly for pressure control in the detection process. According to the biscuit package quality detection device, in the process of detecting the sealing quality of the biscuit package, the biscuit package to be detected is extruded and subjected to pressure maintaining treatment through the detection assembly and the control assembly, whether the sealing quality of the biscuit package is qualified or not is judged, and in the pressurizing process, the biscuit package is subjected to pressure maintaining treatment; when the internal pressure of the detection cylinder rises to a certain degree, the internal pressure does not continue to rise, so that pressure control in the detection process is realized, and the pressurization pressure in the detection process is ensured and the detection effect is ensured while the to-be-detected biscuit package is prevented from being extruded and damaged due to overlarge pressurization pressure.

The present invention provides a rake type vacuum dryer, comprising an outer casing and a drying liner, a hot air interlayer is formed between the outer casing and the drying liner, a feed port and a discharge port are respectively arranged at the upper and lower ends of the drying liner, a servo motor is further arranged at the side end of the outer casing, a rake rod is arranged at the output end of the servo motor, a plurality of stirring rakes are further arranged on the rake rod, a power source 1 and a pair of push plates are further arranged in the drying liner, the stirring rake is slidably arranged on the rake rod, the power source 1 drives the push plate and the rake rod to move along the rake rod toward the discharge port, by arranging the push plate and making the stirring rake slidably arranged on the rake rod, when materials remain on both sides of the discharge port, the power source 1 drives the push plate and the rake rod to move toward the middle, thereby ensuring the sealing of the drying liner and moving the materials to the discharge port at the same time, preventing excessive accumulation of materials.

The invention discloses a polishing device and polishing robot polishing matching method, and belongs to the field of industrial robot equipment. Comprising the steps that automatic positioning and path planning are conducted on the grinding robot, specifically, the grinding robot conducts grinding construction operation according to path planning, the grinding effect is monitored in real time in the grinding process, and the grinding strategy is adjusted in a self-adaptive mode. A solution is provided for solving the problems that a grinding robot cannot keep contact pressure, the grinding angle and strength of the grinding robot cannot be automatically adjusted according to the concave-convex condition of the wall surface, and the grinding quality is not uniform due to the non-uniform strength.

The invention provides an integrated forming device for an air transportation packaging tray made of a reinforced composite material. The integrated forming device is used for machining the integrated formed air transportation packaging tray based on the reinforced composite material. The forming device comprises a primary main body injection molding unit and a secondary local injection molding unit, the primary main body injection molding unit is used for injection molding of a tray main body; and the secondary local injection molding unit is used for performing secondary injection molding filling on each mooring ring mounting opening after the nut plate and the mooring ring are mounted in the mooring ring mounting opening of the tray main body. According to the air transportation container pallet, the integral forming technology is adopted, the composite bonding and glue riveting technology of a traditional air transportation container pallet is abandoned, the overall structure of the pallet body can be better, the procedure difficulty is lowered, and repeated injection molding production can be achieved through one-time mold opening.

The invention discloses a water spraying device for a building facade. The water spraying device comprises a fixing device, a control device, a spraying pipe moving support and a water supply device. Wherein the fixing device and the control device are arranged on a roof, the spraying pipe moving support is arranged along the outer vertical face of a building, and the water supply device comprises a water supply hose connected with a spraying pipe and a high-pressure water pump connected with the water supply hose; and the spraying pipe moves up and down along the outer vertical surface of the building along the spraying pipe moving bracket. According to the device and the method, the shape of the spraying pipe can be adjusted, and the exterior facade water spraying device can be conveniently moved up and down so as to adapt to different exterior facade shapes. And power is provided through the winch, so that the convenience of vertical movement of the PVC water spraying pipe is ensured. And meanwhile, the safety of the test process is ensured by adding the balance weight. The vertical water supply pipe provides pressure through a water pump, the transverse PVC water spraying pipe can be adjusted and assembled according to the actual field facade, and adaptability is greatly improved.

The invention discloses an air conditioner outdoor unit, and relates to the technical field of air conditioners. The air conditioner outdoor unit comprises a condenser, a compressor, an outdoor fan, a coil temperature sensor, an outdoor temperature sensor and a controller. The controller is configured to obtain the outdoor environment temperature detected by the outdoor temperature sensor and the coil pipe temperature detected by the coil pipe temperature sensor, and the difference value between the coil pipe temperature and the outdoor environment temperature is calculated to serve as a first difference value. If the first difference value is larger than or equal to the first set value, the target rotating speed of the outdoor fan is obtained according to the preset corresponding relation between the coil pipe temperature and the rotating speed of the outdoor fan; if the first difference value is smaller than the second set value, the first rotating speed serves as the target rotating speed of the outdoor fan; wherein the absolute value of the difference value between the current rotating speed of the outdoor fan and the first rotating speed is a first threshold value; if the first difference value is smaller than the first set value and larger than or equal to the second set value, the current rotating speed of the outdoor fan serves as the target rotating speed of the outdoor fan. According to the air conditioner outdoor unit, stable control over the rotating speed of the outdoor fan can be achieved under different outdoor environment temperature conditions, the stability of the heat dissipating capacity of the outdoor heat exchanger is guaranteed, and therefore it is guaranteed that the refrigerant pressure in an air conditioner system meets the safe operation condition.

The utility model discloses a blade polishing mechanism which comprises a telescopic arm arranged on a lifting frame and a polishing assembly connected to the tail end of the telescopic arm. The polishing assembly comprises a swing bridge and a swing head which are sequentially connected with the telescopic arm, and the middle of the swing bridge is movably connected with the swing head through a longitudinal fixing shaft. Elastic pieces are arranged at the two ends of the face, connected with the swing bridge, of the swing head respectively, and the other ends of the elastic pieces are connected with the two ends of the swing bridge respectively; the end, connected with the telescopic arm, of the swing bridge is provided with a transversely-arranged driving shaft, and the swing bridge is driven by the driving shaft to swing up and down; the two sides of the driving shaft are connected with driving pieces correspondingly, and the driving pieces are connected with the elastic pieces on the sides where the driving pieces are located and drive the elastic pieces to push the swing head to swing left and right. The polishing mechanism is further provided with an inductor. And through the polishing assembly, the posture of the swing head and the pressure in contact with the blade are adjusted in a self-adaptive mode, and the polishing effect and pressure control are guaranteed.

The invention discloses a pressure-adjustable constant-temperature wound irrigator, and relates to the technical field of medical instruments, the pressure-adjustable constant-temperature wound irrigator comprises an irrigator body and a liquid storage tank, a liquid inlet cavity is formed in the irrigator body, and a plurality of heating pipes are fixedly mounted in the irrigator body and located in the liquid inlet cavity; the device has the beneficial effects that different pressing plates are pressed by pedaling to perform size adjustment operation, a first rack transversely moves to drive a mounting inner rod to move, then a gear and the rack are matched to drive a valve plate to rotate, and a water temperature detector is fixedly mounted on one side of the flusher body; the pressure of liquid conveying in the liquid outlet pipe is adjusted through rotation of the valve plate, then the effect of adjusting the pressure of output liquid is achieved by pressing the pressing plate, and the hydraulic pressure can be adjusted more conveniently according to the use requirement of a user by arranging the two arc gears capable of enabling the mounting inner rod to move oppositely.

The invention discloses an advanced reactor core system and a water replenishing method, and belongs to the technical field of reactor equipment, the advanced reactor core system comprises a reactor core pressure system and at least two safety injection systems, and each safety injection system comprises a water replenishing mechanism and a water injection mechanism. The effect of automatically adjusting the flow is achieved through the multiple sets of water passing holes formed in the water outlet pipe in the water supplementing container from top to bottom, the flow of cooling liquid conveyed to the pressure container through the water supplementing container is better matched with the requirement, the water supplementing continuity is improved, the acting time of the water supplementing container is greatly prolonged, and therefore the system pressure is reduced, and the system safety is improved. It is ensured that the low-pressure water injection mechanism can be put into operation before the water supplementing container lacks water, namely, the input pressure of the low-pressure water injection pump is reduced, the structure is simple, the action time of passive injection is prolonged, dependence on an emergency power supply at the initial stage of an accident is reduced, and meanwhile the requirements for pump flow and a pressure head are reduced; and the reliability and economical efficiency of the safety injection system are obviously improved.

The invention discloses an automatic water replenishing system and method for a clean water tank, relates to the technical field of water level control, and aims to solve the problem that the water replenishing of the clean water tank needs manual operation and valve control and water supply pressure control, the automatic water replenishing system comprises the clean water tank and a water supply pipeline, and further comprises a collection module arranged in the clean water tank and the water supply pipeline, detecting the liquid level of a clean water tank and pipe network pressure; the control module is electrically connected with the regulating valve at the front end of the clean water tank and controls the opening degree of the regulating valve according to the liquid level of the clean water tank and the pipe network pressure; the detection module detects whether the detection acquisition module fails or not and detects the liquid level state of the clean water tank and the pressure state of a pipe network; the interaction module interacts with the control module, sets system working parameters and displays information acquired by the acquisition module and the detection module; according to the automatic water supplementing system for the clean water tank of the water plant, the opening degree of the valve is controlled through differential pressure change PID adjustment, accurate pressure and liquid level control and monitoring can be achieved, when water used by a user changes, the valve can be automatically adjusted to guarantee the pressure of a pipe network, automatic water supplementing of the clean water tank is achieved, manual adjustment is not needed, and the labor cost is saved.

The invention relates to coil spring production equipment which comprises a rack, a feeding device internally provided with a metal material strip, a deviation rectifying and oil scraping device, two sets of position-adjustable oil scraping pieces arranged in the deviation rectifying and oil scraping device, a tension adjusting device and a forming device, and the oil scraping pieces can automatically get close to and press the metal material strip along with movement of the metal material strip. And a traction device. By means of an oil scraping piece in the deviation rectifying and oil scraping device, when the metal strip is machined into a coil spring, the deviation rectifying and oil scraping device can adjust the metal strip in the moving direction, meanwhile, in the moving process of the metal strip, oil stains outside the metal strip are scraped through the oil scraping piece, and therefore the metal strip is machined into the coil spring. And meanwhile, the oil scraping piece can automatically detect the positive pressure on the metal material strip, so that when the positive pressure is not enough due to abrasion, the oil scraping piece can automatically deflect to enhance the positive pressure on the metal material strip, and therefore the oil scraping piece continuously keeps extruding the metal material strip, and the oil scraping effect is guaranteed.

The invention relates to the technical field of blast furnace slag air quenching treatment, in particular to a liquid blast furnace slag air quenching treatment method. Comprising the following steps that high-pressure atomized water and compressed air are mixed to serve as an air quenching medium to conduct blowing treatment on the liquid blast furnace slag, and a spherical particle product is obtained; wherein the pressure intensity of the adopted high-pressure atomized water ranges from 5 Mpa to 10 Mpa, and the pressure intensity of the compressed air ranges from 0.8 Mpa to 1.5 Mpa. By introducing a special air quenching medium formed by mixing high-pressure atomized water and compressed air, the liquid blast furnace slag is subjected to blowing treatment, the compressed air is in full contact with atomized water particles and liquid blast furnace slag particles in the air quenching process, the liquid drop cooling forming process is accelerated, generation of mineral wool is effectively reduced, and the service life of the liquid blast furnace slag is prolonged. The mineral wool problem basically does not influence the process and the product quality; and meanwhile, on the premise that the liquidity of the liquid blast furnace slag is not influenced and the pressure intensity of the injection medium is ensured, uniform particle size distribution of the air-quenched blast furnace slag product is ensured.

The utility model discloses a cotton box valve group structure of a four-row cotton picker, which comprises a plurality of working systems, a cotton box tilting system comprises a cotton box tilting oil cylinder, a first hydraulic oil way and a second hydraulic oil way, one end of the hydraulic oil way is connected with a rod cavity of the cotton box tilting oil cylinder, and the other end of the hydraulic oil way is connected with an oil return box. The second hydraulic oil way is connected with a rodless cavity of the cotton box inclined oil cylinder and provided with a first two-position two-way electromagnetic valve, the first two-position two-way electromagnetic valve is connected with the hydraulic source, one station of the first two-position two-way electromagnetic valve has the one-way stop function, and a liquid outlet of the first two-position two-way electromagnetic valve is connected with the hydraulic source. A second two-position two-way electromagnetic valve is arranged between the first two-position two-way electromagnetic valve and the first hydraulic oil way, one station of the second two-position two-way electromagnetic valve has a one-way stop function, a liquid outlet of the second two-position two-way electromagnetic valve is connected with the second hydraulic oil way, and a one-way valve is arranged between the first two-position two-way electromagnetic valve and the second two-position two-way electromagnetic valve. And a liquid outlet of the one-way valve is connected with a rodless cavity of the cotton box oil cylinder.

The invention belongs to the field of blood vessel puncture, and discloses a blood vessel leakage hemostasis device convenient for adjusting local pressure, which comprises an equipment terminal, one side of the equipment terminal is connected with a cuff structure, and a plurality of pressure air bags are uniformly arranged in the cuff structure; a plurality of adjusting devices communicated with the pressure air bag in a matched mode are fixedly arranged on the outer side of the cuff structure, and a pulse oximeter is movably arranged at one end of the cuff structure. The invention solves the problems that in the prior art, gauze is usually used for pressurizing, binding and stopping bleeding, but the method has many defects that the pressure is difficult to uniformly distribute, the blood circulation is not smooth due to excessive pressurization, and the bleeding cannot be effectively stopped due to insufficient pressurization. In addition, frequent adjustment is needed in the gauze binding process, manual operation is tedious, and the stable pressurizing effect is difficult to keep continuously, and the device is suitable for damage and leakage of the blood vessel puncture part.

The invention relates to an air pressure test system and method, and the system comprises an inflation unit which is used for providing high-pressure air for a target chamber and is sequentially connected with an air source cylinder, a first pressure regulating device, a booster pump, a flowmeter and a second pressure regulating device, and the first pressure regulating device is used for regulating the air inlet pressure entering the booster pump; the booster pump is used for boosting gas pressure to meet the pressurizing requirement; the flow meter and the second pressure regulating device are used for regulating the flow pressure of gas entering the target chamber; the operation gas supply unit comprises an operation gas cylinder and a third pressure regulating device, is connected to the booster pump and is used for providing operation gas for the booster pump and controlling the pressurization rate; the control unit comprises a PLC (Programmable Logic Controller) control module and an upper computer, is in signal connection with each pressure regulating device, the flow meter and the booster pump, and is used for automatically regulating each component; and the pressure relief protection unit comprises a pressure relief device and is used for releasing the gas pressure of the target chamber when the gas pressure test is finished. The device is convenient to operate, high in automation degree and comprehensive in protection measures, and the test efficiency and the operation safety and convenience are improved.

The utility model relates to the related technical field of rope return tensioning hydraulic pressure, in particular to a rope return tensioning hydraulic system which comprises a containing box, an oil tank, an oil pipe, a motor and an oil pump, the motor is installed on the inner side surface, and the oil pump is connected to the surface of one side of the motor. According to the rope return tensioning hydraulic system, the motor is started to drive the oil pump to extract hydraulic oil from the oil tank and pressurize the hydraulic oil, the hydraulic oil is conveyed to all parts of the system, the hydraulic oil is primarily filtered through the coarse filter, large particles and impurities are removed, and follow-up precise elements are protected; fine impurities of the hydraulic oil are further removed through a fine filter, it is ensured that the cleanliness of the oil liquid meets the system requirement, when the system pressure fluctuates or the requirement is increased within a short time, the stored hydraulic oil can be rapidly released, the system pressure can be stabilized, the real-time performance and stability of the tensioning function are ensured, and the hydraulic oil is often used for emergency shutdown and overhaul of the system; and a quick-response safety guarantee measure is provided.

This utility model discloses an ozone advanced oxidation tail gas recovery and utilization device, including an ozone tail gas inlet pipe and a primary purification tower and a secondary purification tower connected in sequence. The rear end of the secondary purification tower is connected to an ozone buffer tank. The primary and secondary purification towers are connected to the ozone tail gas inlet pipe through an ozone circulation pipe. Both the primary and secondary purification towers are connected to sodium hydroxide dosing tanks. This application uses a secondary ozone purification tower to purify the tail gas after ozone catalytic oxidation, recover and utilize the remaining ozone, improve ozone utilization rate, and reduce costs. At the same time, it absorbs the carbon dioxide after catalytic oxidation to produce a high-purity sodium carbonate solution for downstream use as a raw material, achieving waste resource recycling.

The invention discloses an anus elastic plugging type enemator which comprises a liquid injection mechanism for pushing and injecting liquid medicine and a catheter connected with the liquid injection mechanism, the liquid injection mechanism is used for pushing and injecting the liquid medicine, the liquid injection mechanism is sleeved with a plugging air bag capable of expanding after being inflated, and the plugging air bag is in a gourd shape. The middle of the plugging air bag is sunken to form a sealing part capable of being clamped to the anus, the sealing part divides the plugging air bag into spherical clamping parts elastically abutting against the inner side and the outer side of the anus, the number of the clamping parts is two, the sealing part seals the anus when the clamping parts abut against the inner side and the outer side of the anus, the plugging air bag is in a gourd shape, the sealing effect is good, and the plugging air bag can be better attached to the inner side and the outer side of the anus; meanwhile, the diameter of the clamping part on the inner side can be smaller than that of the outer side, the clamping part on the inner side is used for blocking the rectum on the inner side, preventing liquid medicine from flowing out, abutting against the anus at the same time and blocking the outer side at the same time, inner side anorectum blocking, inner side anus abutting, abutting of the sealing part against the anus and outer side anus abutting are achieved, and liquid leakage is avoided.

The utility model discloses an orthosis for preventing underarm scar contracture of a burn patient, which comprises a neck fixing strip, a shoulder lapping piece is fixedly arranged on the side of the bottom end of the neck fixing strip, one side of each first tensioning strip is rotatably connected with a first movable column, an underarm orthosis mechanism comprises an arc-shaped supporting piece, and the arc-shaped supporting piece is fixedly connected with the shoulder lapping piece. Adjusting long holes are formed in the two sides of the inner wall of the arc-shaped supporting piece correspondingly, and two limiting sliding blocks are slidably connected into each adjusting long hole. The armpit orthopedic mechanism is arranged between the first movable columns connected through the first tensioning strip, the limiting sliding block is connected with the arc-shaped filler strip, and the rubber stud is rotationally connected with the arc-shaped contact net piece, so that the orthopedic device is better in ventilation effect, dryness and ventilation of a burn position are guaranteed, recovery of an affected part is promoted, and it is guaranteed that a gap is formed between the arc-shaped supporting piece and the affected part; meanwhile, the arc-shaped supporting piece and the arc-shaped contact net piece generate pressure on the scar, so that the problem of scar contracture is solved while the ventilation effect is guaranteed.

The invention provides a white spirit storage tank top pressure analysis method, which comprises the following steps of: detecting top temperature, top pressure and liquid level in real time, establishing a prediction model of the top temperature and the top pressure based on a dimensional analysis method, and correcting the prediction model by adopting multiple linear regression to obtain a relationship between the top temperature and the time and between the top pressure and the time; according to the relation, the top pressure of the storage tank is analyzed, the problem that the top pressure of the storage tank cannot be analyzed in the prior art is solved, the intelligent pressure control system of the white spirit storage tank is further provided, the top pressure is calculated according to the relation, the white spirit storage tank is automatically cooled through the spraying device, it is guaranteed that the top pressure of the storage tank is within a proper range, and therefore safety guarantee is provided. The method is suitable for top pressure analysis and intelligent pressure control of the white spirit storage tank.

The embodiment of the utility model discloses a refrigerant heater. The refrigerant heater comprises a snakelike flat pipe, the snakelike flat pipe comprises a plurality of U-shaped bent parts and a plurality of flat pipe sections arranged in parallel in the first direction, and the flat pipe sections are connected through the U-shaped bent parts to form a continuous flow channel; at least two flat tube runners are arranged in the snakelike flat tube; the flat pipe flow channels are arranged in parallel in the second direction and are used for refrigerant circulation; wherein the first direction is perpendicular to the second direction; and the at least one heating sheet is arranged between the adjacent flat pipe sections. According to the embodiment of the utility model, the problem that the existing energy storage battery pack lacks a small refrigerant heater which is not in direct contact with a refrigerant is solved, and meanwhile, the problem of dry burning caused by non-uniform refrigerant distribution is avoided.

The application discloses a pressurized water injection device, which comprises a first pipe body, a second pipe body and a telescopic part. The second pipe body is arranged in the first pipe body, and the telescopic part is arranged in the second pipe body and can reciprocate along the axial direction of the second pipe body. The telescopic part comprises a telescopic rod and a third pipe body connected with the telescopic rod. A guide assembly is arranged between the telescopic rod and the second pipe body. The guide assembly comprises a support. The support is provided with a first guide body and a second guide body. The surface of the telescopic rod is provided with a guide groove extending along the axial direction of the telescopic rod. The first guide body and the second guide body are embedded in the guide groove so that the first guide body and the second guide body are arranged along the axial direction of the telescopic rod and can move along the guide groove. The first guide body and the second guide body can limit the moving direction of the telescopic rod, thereby ensuring the axial movement of the telescopic rod along the second pipe body, preventing the offset between the third pipe body and the second pipe body, ensuring the sealing performance between the second pipe body and the third pipe body, and thereby ensuring the pressure of water injection.

This invention belongs to the field of waste lubricating oil regeneration technology, specifically a purification device for waste lubricating oil regeneration, comprising a base; a rotating tube rotatably connected to the top surface of the base, and the rotating tube being driven by a servo motor; an oil inlet pipe fixedly connected to one side of the base, and the oil inlet pipe being rotatably connected to the rotating tube; multiple evenly arranged oil outlets opened at the bottom of the rotating tube; a sleeve fixedly connected to the surface of the rotating tube; multiple evenly arranged discs fixedly connected to the outer surface of the sleeve; by pressing down a pressure rod, the pressure rod drives the connecting ring to move downward, and the descending connecting ring drives the scraper to descend together. During this process, the scraper scrapes the inner wall of the separator, thereby scraping off the sludge and impurities from the inner wall of the separator and discharging them through the slag discharge assembly, thus completing the cleaning of the inner wall of the separator, thereby ensuring the usable volume of the separator, and thus ensuring the purification efficiency of the embodiment of this invention.

The invention belongs to the technical field of desulfurization spray guns, and particularly relates to a microPa self-cleaning long-range desulfurization spray gun which is characterized in that the microPa self-cleaning long-range desulfurization spray gun comprises a first pipe body, a vibration assembly and a spraying assembly, a gas inlet is formed in the outer side of one end of the first pipe body, and a liquid inlet is formed in one side of the gas inlet; in the using process, the spiral fins arranged in the middle in the opposite direction can ensure that blocking can be generated through direction changing when airflow flows in the pipe body, vibration is effectively generated in an inner cavity of the whole pipe body in cooperation with high-speed flowing of the airflow, and the situation that the whole equipment is blocked by attachments caused by internal liquid is effectively reduced through vibration; and a cleaning agent can be poured into the liquid pipe through the circulating assembly, internal stubborn residues are effectively softened and cleaned, further cleaning is carried out through suction and spraying operation, pipelines with different diameters are arranged at multiple positions of the whole equipment, pressurization can be effectively carried out, the spraying pressure of the spraying head is improved, and the using effect is improved.