20results about How to "Improve pressure relief efficiency" patented technology

The utility model provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. Wherein the battery monomer comprises a shell. The first wall is provided with a first groove, the first groove defines at least one preset pressure relief area, and the first wall is configured to be capable of cracking along at least part of the first groove when the battery monomer is subjected to pressure relief. The first wall is further provided with a second groove, the second groove and the first groove are arranged in the first direction, the second groove is located on one side of the first groove in the first direction, the first direction is perpendicular to the thickness direction of the first wall, and the second groove is configured to guide at least part of the preset pressure relief area to turn over so as to open at least part of the preset pressure relief area. According to the single battery, the effect of turning around the second groove after the preset pressure relief area is opened can be improved, so that the turning angle of the preset pressure relief area is increased, and the pressure relief area of the single battery is favorably increased.

The invention discloses an unloading valve and a hydraulic system, and relates to the technical field of valves, a first valve cavity is formed in a valve body, an input port, an output port and a discharge port which are communicated with the first valve cavity are formed in the valve body, the input port is connected with input equipment, the output port is communicated with an actuator, and the discharge port is connected with working medium storage equipment; the first valve element is located in the first valve cavity. The unloading valve is arranged close to the actuator, and the distance between the actuator and the unloading valve is smaller than the distance between the actuator and the input device, so that the working medium in the actuator can be discharged from the unloading valve only by flowing through a short distance, and the unloading valve is not easy to discharge due to the fact that the input port is disconnected from the output port when the unloading valve is in the pressure relief state. Therefore, a working medium in the actuator can be discharged from the unloading valve at a high flow speed, then the pressure relief efficiency of a hydraulic system adopting the unloading valve is improved, and the probability of safety accidents around the actuator caused by untimely pressure relief of the hydraulic system is reduced.

The application relates to the technical field of flue gas waste heat recovery, and discloses a rotary kiln flue gas low-temperature waste heat recovery device, which comprises a primary recovery chamber, a secondary recovery chamber and a water storage tank, a flue gas inlet pipe is fixedly installed at the left end of the outer wall of the primary recovery chamber, a flue gas connecting pipe one is fixedly installed at the right side of the upper end of the outer wall of the primary recovery chamber, the rear end of the outer wall of the flue gas connecting pipe one is fixedly connected with the front end of the outer wall of the secondary recovery chamber, the temperature of the heat-conducting aluminum sheet one directly contacting the outer wall of the S-shaped flue pipe is increased, the hot end of the thermoelectric sheet can have a constant high temperature, the heat-conducting aluminum sheet two contacting the inner wall of the water pipe one can take away the heat at the heat-conducting aluminum sheet two under the action of the water flowing in the water pipe one, and the cold end is formed, so that a temperature difference is formed between the hot end and the cold end of the thermoelectric sheet, the thermoelectric sheet can generate electricity by utilizing the temperature difference between the high and low temperatures, and the heat energy in the flue gas can be converted into electric energy.

The pre-oxidation furnace comprises a furnace body and a protection assembly, a pressure relief opening is formed in one side of the furnace body, the furnace body further comprises a pressure relief cover covering the pressure relief opening, and one end of the pressure relief cover is movably connected to the furnace body so that the pressure relief cover can be opened relative to the furnace body in response to the preset pressure in the furnace body. The protection assembly is arranged outside the furnace body and corresponds to the pressure relief opening, the protection assembly comprises a fixing frame and a fireproof curtain, one end of the fireproof curtain is connected to the fixing frame and can be switched between a first state and a second state relative to the fixing frame, when the fireproof curtain is in the first state, the fireproof curtain is exposed out of the pressure relief opening, and when the fireproof curtain is in the second state, the fireproof curtain is exposed out of the pressure relief opening. And the fireproof curtain shields the pressure relief opening. According to the pre-oxidation furnace, even if carbon fibers in the furnace body are deflagrated, the pressure relief cover is opened, flames rush out of the furnace body through the pressure relief opening, and the flames can be blocked by the fireproof curtain and cannot hurt workers located on the side, away from the furnace body, of the fireproof curtain.

The utility model relates to pipe hoop formula high pressure exhaust nozzle, including sealing sheet and install the nozzle assembly on sealing sheet, the nozzle assembly includes: pressure relief spare, the medium flow channel is opened in pressure relief spare, and the cap body is rotatoryly arranged outside pressure relief spare, the first export and the second export are opened in cap body, the output direction level of first export, the output direction vertical of second export, the cap body transforms between first state and second state when rotating around pressure relief spare, first state, the medium flow channel is connected first export, second state, the medium flow channel is connected second export, the utility model discloses through setting up rotatable cap body outside pressure relief spare, and the communication state of first export of horizontal direction and second export of vertical direction and medium flow channel is switched with rotation, realizes the flexible adjustment of exhaust direction between side and top, breaks through the limitation of traditional exhaust nozzle fixed exhaust direction.

The high-pressure flange airtightness detection device comprises a base, a supporting frame is arranged on one side of the upper end face of the base, a mounting sleeve is arranged in the supporting frame, a pressure mechanism used for increasing the pressure is arranged on the inner side of the mounting sleeve, and a positioning assembly used for fixing a flange is arranged at an opening of the mounting sleeve. A sealing mechanism is movably arranged on the side, away from the supporting frame, of the upper end face of the base, the sealing mechanism is used for controlling the pressing force of the flange connecting part, and a controller and an air pressure sensor are further arranged on the sealing mechanism. The pressure relief device is simple in structure and reasonable in design, the whole operation process is simple, convenient and fast, the pressure relief efficiency of the flange when the air pressure is abnormal is remarkably improved, explosion is effectively avoided, gas is not exhausted in the telescopic sleeve in the pressure relief process, the situation that high-pressure gas hurts workers in the pressure relief process is avoided, and the safety of the workers is improved. And the safety of the air tightness detection equipment is ensured.

The present invention discloses an automatic paper laying and turning mechanism for double veneer panels, which belongs to the technical field of paper turning machines, and includes a base, a fixed bracket and a movable bracket, a laying plate is provided at the middle lower part of the fixed bracket, veneer paper is laid on the laying plate, first linear moving modules are provided horizontally on both sides of the upper part of the fixed bracket, the output end of the first linear moving module is connected with a turning mechanism, a first adsorption rod is connected to the turning mechanism, a first adsorption rod is provided with a plurality of first negative pressure suction cups, a lifting module is provided at the bottom of the movable bracket, a lifting frame is provided at the bottom of the lifting module, a second linear moving module is provided horizontally on both sides of the lifting frame, a second adsorption rod is connected to the output end of the second linear moving module, and a plurality of second negative pressure suction cups are provided below the second adsorption rod. The beneficial effect of the present invention is that it can ensure that the paper can be stably adsorbed during the turning and moving process, and avoid the risk of paper falling off or shifting due to insufficient adsorption force.

The utility model relates to an electric foam sprinkling can which comprises a main machine and a liquid storage bottle, the main machine comprises a shell, a spray head inserted in one side of the shell, a pressing handle which is rotatably connected in the shell and has an elastic recovery function, an electric booster pump arranged in the shell, and a liquid inlet pipe inserted in the bottom of the shell; a detachable shell cover is further fixed to the top opening of the shell, and an exhaust module is further arranged between the shell cover and the shell. The exhaust module comprises a lifting block and a reset spring; the lifting block is movably connected in the shell and has an up-down vertical moving function; the reset spring is arranged between the lifting block and the shell cover and is always in a compressed state to enable the lifting block to always have a downward moving trend; the liquid storage bottle has a one-key deflation function, so that the internal pressure of the liquid storage bottle can be emptied in a short time, the use convenience is effectively improved, the operation is convenient, and the damage to the opening of the liquid storage bottle is avoided; and the electric foam spraying pot can automatically keep a continuous foam spraying state through simple operation, so that the practicability is improved.

The utility model relates to the technical field of positive-voltage power distribution cabinets, and discloses a positive-voltage power distribution cabinet with explosion-proof and pressure-relief functions, which comprises a cabinet body, a cabinet door is rotatably connected to one side in the cabinet body, a pressure-relief assembly is arranged at the top of the cabinet body and comprises a pressure-relief top window, and fixing plates are arranged on two sides of the bottom of the pressure-relief top window. And guide grooves are formed in the two fixing plates correspondingly, supporting plates are fixedly connected to the two sides of the bottom of the pressure relief transom window correspondingly, connecting plates are fixedly connected to the bottoms of the two supporting plates correspondingly, and sliding rods are fixedly connected to one sides of the outer walls of the two connecting plates correspondingly. According to the utility model, the pressure relief transom window is jacked upwards by impact force, so that the displacement of the connecting plate is converted into rotation under the linkage of the connecting arm I and the connecting arm II and the limitation of the guide groove, the pressure relief transom window is rotated from horizontal to vertical, the top of the cabinet body is completely opened, and the effect of quick explosion-proof pressure relief is achieved; the problems that a traditional cabinet body is slow in pressure relief, concentrated in impact and prone to damage are solved, and the pressure relief efficiency is improved.

The utility model discloses a guide support, lithium cell and electrical equipment belong to lithium cell technical field, guide support is used to install in the inside of battery casing, including support body, the support body includes first support surface and second support surface who sets up oppositely, first support surface is used for supporting the electric core, and the second support surface sets up towards the battery casing inner wall who installs explosion -proof valve, first support surface of support body is provided with main guide groove and secondary guide groove, and secondary guide groove communicates with main guide groove, and main guide groove corresponds with the explosion -proof valve trepanning position, and secondary guide groove extends away from the explosion -proof valve trepanning position. The main guide groove and secondary guide groove of the utility model guide the electrolyte to the position away from the explosion -proof valve trepanning, avoid the electrolyte too much gathering at the explosion -proof valve trepanning position, alleviate the pressure of explosion -proof valve trepanning position pressure relief, reduce the fire risk.

This invention provides a battery casing and a battery. The battery casing is rectangular, and at least one side of the battery casing is provided with an explosion-proof groove structure. The explosion-proof groove structure includes a rectangular explosion-proof outer frame, which includes a first explosion-proof groove, a second explosion-proof groove, a third explosion-proof groove, and a fourth explosion-proof groove connected end to end in sequence. A fifth explosion-proof groove and a sixth explosion-proof groove are provided inside the rectangular explosion-proof outer frame. One end of the fifth explosion-proof groove and one end of the sixth explosion-proof groove intersect, and the connection point of the fifth explosion-proof groove and the sixth explosion-proof groove is located on one of the first, second, third, and fourth explosion-proof grooves. The other three of the first, second, third, and fourth explosion-proof grooves have two connection endpoints. The other end of the fifth explosion-proof groove is located at one of the connection endpoints, and the other end of the sixth explosion-proof groove is located at the other connection endpoint. The battery casing of this embodiment has the characteristic of high pressure relief efficiency.

This invention belongs to the field of textile technology, specifically a down-collecting device and processing method for down processing. It includes a down-filling hopper, an adjusting unit at one end of which contains a down-washing unit, and a pressure-relief unit within the down-washing unit. The invention uses an electric telescopic rod to move a filter plate inside the down-filling hopper away from the three-phase motor until the down inside the hopper is compressed to a designated area on one end of the electronic scale. Simultaneously, a crank connecting rod rotates, and a pressure-relief plate, under the control of a panel, rotates at a certain angle within the filter plate. This allows for real-time control of the alignment between the filter holes in the pressure-relief plate and the mesh of the filter plate. During this process, a pressure-relief valve extracts gas from inside the down-filling hopper to the outside, ensuring a vacuum in the down-retention area, eliminating the influence of air buoyancy, reducing airflow interference, effectively avoiding static electricity, improving the accuracy of the electronic scale's weight measurement, and ultimately improving product quality control precision.

The present invention relates to a screw machine expansion valve that facilitates valve seat replacement, which defines a first flow section, a second flow section and a connection port that interconnects the first flow section and the second flow section, an actuating mechanism includes a stepping motor and a driving shaft connected to the stepping motor, a valve mechanism includes a discharge piston connected to the driving shaft, a first sealing sleeve is provided on the valve body, the valve mechanism also includes a second sealing sleeve embedded in the first sealing sleeve, a sleeve is provided in the second sealing sleeve and located on the outer periphery of the discharge piston, and the discharge piston is provided with a head in the valve body, and the movement of the head at the connection port realizes the opening and closing of the connection port. By arranging the sleeve in the valve mechanism, the size of the valve seat and the actuating mechanism are freely combined, and valve seats of different sizes can be adapted to the same valve mechanism, which reduces the cost of product development on the one hand, and on the other hand, when the valve seat is damaged, the valve seat can be directly replaced without adapting the corresponding valve mechanism.

The utility model discloses a pressure relief spring type safety valve of a gas storage tank, which belongs to the technical field of safety valves and comprises a base, a valve body, a top shell and pressure relief pipes, the valve body is mounted at the top of the base, two sides of the valve body are respectively connected with the pressure relief pipes, and two right-angle bent pipes are respectively arranged on the two pressure relief pipes and positioned at pressure relief ports. Openings of the sides, away from the two pressure relief pipes, of the two right-angle bent pipes are vertically downward, a top shell is arranged at the top of the valve body, the interior of the top shell communicates with the interior of the valve body, a pressure relief cavity is formed, and a pressure relief assembly is installed in the pressure relief cavity. The safety valve has the advantages that the safety valve is installed on the air storage tank, the pressure relief assembly can conduct pressure relief, the pressure relief efficiency can be improved under the action of the two pressure relief pipes, the downward right-angle bent pipes are connected to the pressure relief pipes, a large amount of dust can be effectively prevented from entering the safety valve, and the safety valve can be prevented from being damaged. The safety valve can prevent compressed air from hurting workers when the safety valve relieves pressure, and safety of the safety valve is further improved.

The application discloses a glue injection explosion-proof transformer and relates to the field of transformers.The transformer body is internally fixedly installed with a fixing frame, and a plurality of exhaust heads are fixedly installed at the top end of the fixing frame.The end portions of the plurality of exhaust heads are all communicated with first air guide pipes.The two ends of the second air guide pipe are all communicated with second air guide pipes.A plurality of air outlet pipes are communicated with the second air guide pipes, and the plurality of air outlet pipes penetrate the bottom end of the transformer body.The application utilizes the plurality of exhaust heads with openings facing the high-pressure gas easy accumulation area, can efficiently collect the gas, and then guides the gas to the air outlet pipes for discharge through the exhaust passage composed of the first air guide pipe, the first air guide pipe and the like.When the communication pipe is opened, the air passage groove and the air flow passage are completely coincident, the smoothness of the gas flow is ensured, the pressure relief efficiency is greatly improved, the internal pressure can be reduced in a short time, and the chain hazards caused by the continuous increase of the pressure are avoided.

The utility model provides a vacuum filtration system with a pressure relief device. The vacuum filtration system comprises a vacuum pump, a connecting hose, a conducting device, a filtering device, a liquid container and the pressure relief device, the vacuum pump is connected with the filtering device through a connecting hose and a conducting device; the conducting device is respectively connected with the vacuum pump, the filtering device and the pressure relief device through connecting hoses; and the liquid container is hermetically connected with the filtering device. According to the vacuum filtration system with the pressure relief device, provided by the utility model, the vacuum pump and the filter device are communicated by utilizing the conducting device with a three-way structure, so that direct connection of a connecting hose is avoided, and direct pressure relief can be carried out only by controlling a control valve on the pressure relief device when pressure relief is needed; the working pressure of the vacuum pump can be detected in real time while the pressure relief efficiency is improved, the possibility of pressure leakage is reduced, and economic benefits are improved.

The invention discloses a distillation tower safety device with an early warning function, which relates to the technical field of distillation towers and comprises a tower body, wherein a pressure relief early warning mechanism is arranged on the top of the tower body; the pressure relief early warning mechanism comprises a pressure relief unit, and the pressure relief unit is used for relief of pressure in the tower body; the pressure relief early warning mechanism also comprises a decomposition unit, and the decomposition unit is used for dissolving liquid in the steam generated by the pressure relief. In this distillation tower safety device with an early warning function, when the distillation tower starts to perform a distillation operation, if the pressure in the distillation tower is too large, the pressure inside the distillation tower can be quickly released through the pressure relief unit, and with the help of the pressure inside the distillation tower, timely pressure relief operation can be achieved, and at the same time of pressure relief, an alarm can be issued to the staff by rotating a shaking alarm, and the greater the pressure, the faster the pressure relief speed, and the stronger the alarm sound of the alarm, so that the staff can handle it in time.

This utility model provides an explosion-proof oil-immersed current transformer, belonging to the field of current transformers. It includes a transformer body, with an oil conservator at the top and an expander above the conservator, equipped with a top pressure relief component. Below the conservator is a porcelain bushing, and below the bushing, from top to bottom, are a riser and an oil tank. A bottom pressure relief component is located on the side of the oil tank. The beneficial effect of this utility model is that, based on existing oil-immersed current transformers, it not only retains the top pressure relief component at the expander but also adds an additional bottom pressure relief component at the oil tank. This allows for rapid pressure relief and explosion-proof protection when the internal pressure of the transformer body increases sharply, through the coordinated operation of the two pressure relief components.

The embodiment of the utility model discloses a battery device and electric equipment. The battery device includes: a battery cell including a housing and an electrode assembly, a first wall of the housing and the electrode assembly being disposed opposite to each other in a first direction; the first wall comprises a groove structure and a connecting area, the groove structure is recessed towards the interior of the battery cell relative to the connecting area along a first direction, and the surface, facing the interior of the battery cell, of the groove structure protrudes out of the surface, facing the interior of the battery cell, of the connecting area; the battery monomer further comprises a pressure relief mechanism arranged in the connecting area; the isolation part is located on the side, away from the interior of the battery monomer, of the first wall in the first direction, a first protruding structure protruding towards the groove structure is arranged on the side, facing the first wall, of the isolation part, and at least part of the first protruding structure is contained in the groove structure. According to the battery device and the electric equipment provided by the embodiment of the invention, the pressure relief efficiency of the battery monomers can be improved, and the reliability of the battery device is further improved.

The nacelle core cabin pressure relief device is high in adaptability, and the position design flexibility of the pressure relief door is enhanced. Wherein the inner wall plate is provided with a front end and a rear end and comprises a plurality of pressure relief holes; the outer wall plate is stacked on the inner wall plate; the hinge device is used for connecting the front end of the outer wall plate to a core cabin cover; the locking device is used for locking the inner wall plate and the outer wall plate and can be unlocked under the action of set pressure; the limiting device is used for limiting the maximum opening angle of the outer wall plate. The nacelle core cabin comprises the pressure relief device.