272 results about "Gas cabinet" patented technology

The invention relates to the technical field of electrical cabinet intelligent control, in particular to an automatic control method of a heat dissipation system based on a high-voltage electrical cabinet digital twinborn model, the system comprises a high-voltage cabinet, an electrical apparatus element and a fan assembly, and the fan assembly can realize air draft and air supply operation and is provided with an air guide assembly to change an airflow gathering area. The control method comprises the following steps: constructing a digital twinborn model and a temperature prediction model to realize temperature prediction in the cabinet; further constructing an oxidation-temperature rise prediction model, generating an in-cabinet temperature-oxidation hot spot distribution diagram in combination with the temperature prediction model, and performing potential overheating area analysis; according to the analysis result, the rotating speed of the fan assembly and the deflection angle of the air guide assembly are dynamically adjusted, and airflow distribution in the overheating area is optimized; in addition, the system can automatically adjust the operation state of the fan according to the blockage condition of the filter screen to achieve cleaning, and efficient operation of the heat dissipation system is ensured.

The invention discloses a compact environment-friendly gas ring network box, and relates to the technical field of power supply insulation protection equipment, the compact environment-friendly gas ring network box comprises a gas box, a switch frame, an insulator, a main switch, an isolation switch and a grounding bar, the switch frame is fixedly arranged in the gas box, and the insulator, the main switch, the isolation switch and the grounding bar are all arranged in the switch frame; the main switch comprises an insulation shell, a wire inlet end and a wire outlet end, the isolation switch comprises an insulation main shaft, an inclined support and a first isolation blade, the insulation main shaft is fixedly installed at the lower frame edge of the switch frame, the insulator is connected with the insulation main shaft in the horizontal direction, and the top end of the inclined support obliquely extends upwards to the bottom wall of the insulation shell; according to the ring main unit, the size of the air box can be further reduced on the basis of the prior art, the layout of basic components in the air box is more compact, and meanwhile the structural stability of the ring main unit is improved.

The invention relates to the technical field of high-voltage electrical cabinets, in particular to a closed outdoor high-voltage electrical cabinet which comprises a closed cabinet body mechanism and a bearing mechanism installed in the closed cabinet body mechanism. Meanwhile, the built-in pressure spring is connected in the gap between the two shells, so that the sliding block at the bottom of the wiring sliding block is movably mounted in the gap between the other two shells, and the other end of the built-in pressure spring acts on the surface of the sliding block; after a wire connected to the protector sequentially penetrates outwards along transverse holes in the multiple sets of main sheaths and the multiple sets of auxiliary sheaths, at the moment, the multiple sets of shells fixed in concave holes in the top of the base plate can be matched with horizontal transverse movement of the two beam rods to provide transverse sliding bearing force for the multiple wiring sliding blocks. At the moment, the multiple wiring sliding blocks distributed at intervals can provide adjustable paths for air switch lower outgoing line multi-strand doubling, air switch upper incoming line multi-load doubling and air switch incoming and outgoing lines, and therefore it is effectively ensured that the arranged multi-strand wires cannot be pressed and cannot be abraded with a notch of a cabinet body.

The invention relates to the field of electrical cabinets, in particular to a high-voltage electrical cabinet with a moisture-proof device, which comprises a cabinet body, the interior of the cabinet body is divided into an upper mounting chamber and a lower electrical chamber, ventilation openings are formed in the two side walls of the electrical chamber in a penetrating manner, dehumidification mechanisms are arranged in the ventilation openings, and ventilation filter screens are arranged on the inner walls of the ventilation openings. A fan is fixedly arranged in the center of the mounting chamber, the upper end of the fan is communicated with an air outlet pipe, a humidity sensor is arranged in the air outlet pipe, cooling mechanisms are arranged at the two ends in the mounting chamber, and the cooling mechanisms are connected with the corresponding dehumidification mechanisms. The air circulation area between the condensation plates can be automatically adjusted according to humidity changes, the heat dissipation and dehumidification efficiency is effectively improved, adaptability is high, meanwhile, condensed water drops and attached dust impurities on the surfaces of the condensation plates can be effectively scraped, and the condensation and dehumidification effect of the surfaces of the condensation plates is guaranteed.

The utility model belongs to the technical field of cutting equipment, and discloses a flame adjusting device for adjusting the flame temperature of a cutting machine and the cutting equipment. The fire adjusting device comprises a first distribution mechanism, a second distribution mechanism, a third distribution mechanism and a gas holder assembly. The first distribution mechanism is used for introducing cutting oxygen into the cutting machine; the second distribution mechanism is used for introducing preheated oxygen into the cutting machine; the third distribution mechanism is used for introducing fuel gas into the cutting machine; the gas holder assembly comprises a holder body, a first control valve bank, a second control valve bank and a third control valve bank are arranged on the holder body, and the first control valve bank, the second control valve bank and the third control valve bank are connected with a first distribution mechanism, a second distribution mechanism and a third distribution mechanism respectively. The first control valve set, the second control valve set and the third control valve set can adjust the pressure of the cutting oxygen, the pressure of the preheating oxygen and the pressure of the fuel gas correspondingly so as to adjust the flame temperature of the cutting machine. The device can correspondingly adjust the air inlet pressure according to steel plates with different thicknesses.

The invention relates to the technical field of carbon nanotube preparation, and provides a carbon nanotube fluidized bed temperature cascade control system and method, and the system comprises a main temperature cascade control subsystem and an auxiliary temperature cascade control subsystem which are composed of a stainless steel reactor, a reactor heating furnace body, a gas cabinet, a gas bag heating furnace body and the like. The main temperature cascade control subsystem forms closed-loop control through components such as a T reactor temperature control thermocouple and a TC main controller, so as to ensure that the basic temperature of the reactor is stable; and the auxiliary temperature cascade control subsystem controls the gas pocket heating furnace body through similar components so as to preheat gas to influence the temperature of the reactor. Feedforward control is further introduced into the system, a TC main controller collects temperature, voltage, flow and other data, predicts disturbance and adjusts a set value in advance, the heating power is adjusted through a reactor heating power regulator and an air pocket heating power regulator, and accurate control over the temperature of the reactor is achieved. According to the invention, the response speed and precision of temperature control are effectively improved, and the quality and stability of carbon nanotube production are guaranteed.

The invention relates to a third-generation converter gas dry dust removal system which comprises a high-effect heat exchanger, a banana bend dust remover, a rotational flow heat recovery device, a water cooling roller, a raw gas pipe, a high-temperature-resistant explosion-proof ultra-clean dust remover, a fine ash bin, a clean gas pipe, a gas axial flow fan and a gas cooling dehydrator. A banana bend dust remover is arranged between the high-effect heat exchanger and the rotational flow heat recovery device, and the rotational flow heat recovery device is connected with the high-temperature-resistant explosion-proof ultra-clean dust remover through a raw gas pipe. A clean gas pipe is arranged at an outlet of the high-temperature-resistant explosion-proof ultra-clean dust remover, clean gas is conveyed to a gas switching station through a gas axial flow fan, and the gas which is detected to be qualified is conveyed to a gas cabinet after being washed and cooled through a gas cooling dehydrator; unqualified coal gas is sent to a diffusion chimney to be ignited and diffused. The problem that high-quality heat is not recycled is solved, the problem that a dry dust removal system is prone to explosion venting is also solved, and the application prospect is wide.

This invention discloses a pole-type environmentally friendly gas-insulated switchgear, belonging to the field of switchgear. It includes a gas cabinet with a sealed environmentally friendly gas chamber inside. An isolating bracket and a pole-type bracket are both fixedly installed within the environmentally friendly gas chamber. A disconnecting switch is fixedly mounted on the isolating bracket, with its upper end electrically connected to an upper conductive terminal. A pole-type circuit breaker is fixedly mounted on the pole-type bracket, with its upper end electrically connected to the lower end of the disconnecting switch. The lower end of the pole-type circuit breaker is electrically connected to a lower conductive terminal. The upper conductive terminal is sealed on the upper part of the environmentally friendly gas chamber, and the lower conductive terminal is sealed on the lower part of the environmentally friendly gas chamber. Through the rational installation and structural improvements of the upper and lower conductive terminals, the disconnecting switch, the pole-type circuit breaker, the isolating bracket, and the pole-type bracket within the gas cabinet, the connections between these components are more compact, the environmentally friendly gas chamber is smaller, and leakage is less likely, effectively ensuring the safety of the entire device.

The utility model relates to the technical field of spraying, in particular to a structure for extinguishing a gas holder and spraying a ferrous sulfide passivation cleaning agent. The spraying device comprises three circles of spraying mechanisms which are arranged in parallel in the vertical direction, the spraying mechanisms are fixedly connected with an inner wall plate of the gas holder, water inlet pipes communicated with an external water source are arranged on the spraying mechanisms, the lower ends of the water inlet pipes penetrate through the gas holder and extend out of the gas holder, and valves are connected to the sections, extending out of the gas holder, of the water inlet pipes. The device solves the problems that a ferrous sulfide passivation cleaning solution cannot be sprayed to the inner wall and the bottom plate of the cabinet body before the gas cabinet is overhauled, and fire fighting water cannot enter the gas cabinet to extinguish fire when a fire occurs in the gas cabinet.

The invention discloses a POC gas holder side plate deformation repairing method, and relates to the technical field of gas storage, and the method comprises the following steps: measuring the deformation quantity of a gas holder deformation area; determining the shape, size, quantity and welding sequence of the repair material based on the deformation quantity of the gas holder deformation area, and prefabricating the repair material; and the repairing materials are sequentially welded to the gas holder deformation area based on the welding sequence. According to the method, the cross section of a standard gas holder is uniformly divided into a plurality of fan-shaped areas, and the distance between a preset point position on an arc of each fan-shaped area and a chord formed by two adjacent stand columns is calculated based on design parameters of the gas holder and serves as a reference distance; determining the deformation quantity of the deformation area of the gas holder according to the deformation value, obtained through actual measurement, of the preset point position, prefabricating steel plates used for repairing the deformation area according to the deformation quantity, and sequentially welding the steel plates to the deformation area, so that the outer bulge condition of the side wall of the gas holder is effectively repaired; and the side plate of the gas holder can meet the requirement of safe and stable use of the gas holder after being repaired.

1. Name of the designed product: high-precision control air cabinet (modular). 2. Use of the designed product: for high-precision temperature control. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention belongs to the technical field of electrical equipment detection, and particularly relates to switch structure gas-filled cabinet gas leakage detection equipment, which comprises a test box, a bracket, a gas storage cylinder, a resealing type density measurement mechanism and a diversion type residue removal mechanism, the bracket is arranged on the side wall of the test box, the upper end of the test box is open, the gas storage cylinder is arranged at one end, far away from the test box, of the bracket, and the resealing type density measurement mechanism is arranged on the bracket. The re-sealing type density measuring mechanism is arranged on the test box, the flow guide type residue removing mechanism is arranged on the air storage cylinder, and the re-sealing type density measuring mechanism comprises a splicing assembly, a clamping assembly, a closing assembly, a negative pressure assembly, a draining and filtering assembly and an air supply assembly. The invention provides the gas leakage detection equipment for the gas-filled cabinet with the switch structure, which is used for testing the sealing performance of the gas-filled cabinet from the outside and is beneficial to removing harmful insulating gas physically adsorbed by the tested gas-filled cabinet.

The utility model relates to the technical field of gas storage cabinets, and discloses a low-pressure ball type gas storage cabinet which comprises a base, a lower outer film and an inner film are arranged on the outer surface of the top of the base, an upper outer film is arranged on the top of the lower outer film, the inner film is arranged in the lower outer film, the outer portions of the upper outer film and the lower outer film are both fixedly connected with connecting discs, and the connecting discs are fixedly connected with the base. And through grooves are formed in the positions, located on the front sides and the rear sides of the connecting holes, of the two connecting discs correspondingly, the outer surface of the bottom of one of the multiple through grooves fixedly communicates with an expansion air bag, a pressure sensor is fixedly installed on the outer surface of the connecting plate, and an audible and visual alarm is installed on the side, away from the pressure sensor, of the connecting plate. When the sealing performance between the upper outer film and the lower outer film leaks, the air pressure extrudes the expansion air bag to enable the air bag to expand, the air bag enables the pressure sensor to sense a numerical value and send a signal to the controller, the controller controls the audible and visual alarm to work, and a maintainer is reminded to detect the sealing performance in time.

The utility model discloses a locking shaft of a cabinet body of a high-voltage electrical cabinet in the technical field of high-voltage electrical cabinets, which comprises a shell and a button, one end of the shell is provided with the button, the button is connected with the shell in a sliding manner, one end of the button is provided with a top block, the inner side of the top block is provided with a first spring, the first spring is fixedly connected with the top block, and the top block is provided with a second spring. A first inclined face is arranged at one end of the ejector block, a control block is arranged in the shell, a second inclined face is arranged at one end of the control block, a spring bolt is arranged at the other end of the control block, through the arrangement of the key, the ejector block, the first spring, the first inclined face, the control block, the second inclined face and the spring bolt, the control function of the door lock is achieved, and the door lock is simple in structure and convenient to use. And faults are not prone to occurring, and only the key needs to be pressed to drive the control block to move downwards, so that the lock tongue is driven to extrude the lock catch.

The present invention provides a piston drift warning method and device for a sleeve gas cabinet, relating to the field of gas cabinet detection technology. The sleeve gas cabinet piston drift warning method includes: obtaining the operating height of the piston and the spacing between the edge of the piston and the inner cabinet wall or the inner wall of the sleeve at the same time, wherein the operating height is the height of the piston from the bottom wall of the cabinet; determining the relative positional relationship between the piston and the sleeve based on the relationship between the operating height and the sleeve wall height; and providing a piston drift warning based on the relative positional relationship, the spacing, and the drift allowance. This invention effectively solves the problem of online measurement and warning of piston drift in gas cabinets with inner sleeves.

This invention relates to an online maintenance device and method for leveling guide wheels in a rubber diaphragm-sealed dry gas holder. The online maintenance device for leveling guide wheels includes a vertical lifting device, a horizontal guide rail, a horizontal moving device, a power traction device, and a control system. The vertical lifting device consists of a first lifting device, a second lifting device, and a synchronous drive device. The horizontal moving device is mounted on the horizontal guide rail and consists of a moving trolley and suspended guide wheels. One end of the moving trolley is connected to the power traction device via a traction steel wire rope. This invention enables rapid online maintenance and replacement of leveling guide wheels without shutting down the gas holder; it significantly improves the maintenance efficiency of leveling guide wheels while eliminating energy waste, environmental pollution, and safety risks caused by gas holder shutdowns.

This utility model relates to the field of environmentally friendly gas cabinet technology, specifically an intelligent heat dissipation and gas leakage compensation system for an environmentally friendly gas cabinet. It is detachably installed on the back panel of the gas tank of the environmentally friendly gas cabinet and includes an integrated backpack. The integrated backpack includes a cabinet body with multiple chambers. A gas replenishment structure is connected to the gas tank replenishment valve on the gas tank of the environmentally friendly gas cabinet. The heat dissipation structure includes a semiconductor cooling chip and a water-cooled aluminum plate. The two sides of the semiconductor cooling chip are in contact with the back panel of the gas tank and the water-cooled aluminum plate, respectively. A fan-driven cooling unit is installed on the side of the water-cooled aluminum plate away from the semiconductor cooling chip. When the semiconductor cooling chip is energized, it transfers heat from the back panel of the gas tank to the water-cooled aluminum plate, rapidly cooling the inside of the gas tank. Simultaneously, the fan-driven cooling unit provides air cooling. The air cooling and water cooling work together to ensure stable temperature control inside the gas tank.

The invention provides a gas holder device and a monitoring system of the gas holder device, and the gas holder device comprises a gas holder which is internally provided with a plurality of gas cylinders; the weighing module is positioned in the gas cylinder and is used for monitoring the residual gas in the gas cylinder; the consumption monitoring end is installed on the gas holder, the weighing module is connected with the consumption monitoring end, and the weight change condition of the gas cylinder is sent to the consumption monitoring end in real time; according to the gas cylinder consumption monitoring device, the consumption in the gas cylinder can be monitored in real time, traditional manual counting is replaced, the accuracy of consumption counting is improved, a leakage point can be instantly monitored, a cylinder valve on the gas cylinder is closed in a non-contact mode in combination with an additional interlocking piece, further leakage is prevented from the source, the use safety is improved, and the gas cylinder consumption monitoring device has a wide use range.

The invention relates to the field of control and adjustment, in particular to an artificial intelligence monitoring and diagnosing device for a gas cabinet and a using method of the artificial intelligence monitoring and diagnosing device. The artificial intelligence monitoring and diagnosis device for the gas cabinet comprises a data acquisition module (1), and is characterized by further comprising a data processing and analysis module (2), a fault early warning and diagnosis module (3) and an application display and management module (4), the data acquisition module (1), the data processing and analysis module (2), the fault early warning and diagnosis module (3) and the application display and management module (4) are sequentially connected through signal lines. The use method of the artificial intelligence monitoring and diagnosis device for the gas holder is characterized by comprising the following steps of S1, data acquisition; s2, data processing and analysis; s3, fault early warning and diagnosis; and S4, application display and management. The method is timely in prediction and high in diagnosis precision.

The carbon dioxide fire extinguishing system comprises the dichlorosilane gas holder, and a plurality of groups of carbon dioxide fire extinguishers are arranged on the left side of the interior of the dichlorosilane gas holder. The temperature monitor is used for monitoring the temperature in the dichlorosilane gas holder in real time, carbon dioxide is adopted as a fire extinguishing agent, fire disasters are rapidly and effectively extinguished, the whole process is automatic, equipment does not need to be manually started, and in a closed space, the situation that greater loss is caused by the fire disasters caused by dichlorosilane gas is effectively avoided, and the safety of the equipment is improved. The mode that a traditional fire extinguisher is manually used is changed, the situation that the fire extinguisher is hurt due to manual use is avoided, by arranging the opening and closing mechanism, workers can conveniently open the dichlorosilane gas holder and take out the carbon dioxide fire extinguisher from the dichlorosilane gas holder, and convenience and rapidness are achieved; and fire extinguishing can be carried out on any height and position of the dichlorosilane gas holder, no dead angle area exists, and the practicability is wide.

The utility model relates to a vertical single-cavity silicon carbide epitaxy system and belongs to the field of silicon carbide epitaxy. The device comprises a main machine cabinet, a special gas cabinet, a heating cabinet, a power cabinet, a cooling water cabinet, a control panel, a cooling cavity, a feeding cavity, a transfer cavity and a reaction cavity, the main machine cabinet, the special gas cabinet, the heating cabinet and the power cabinet are arranged from front to back, the cooling water cabinet is arranged on the left side of the main machine cabinet, and the reaction cavity, the transfer cavity, the cooling cavity and the feeding cavity are arranged in the main machine cabinet. The reaction cavity, the cooling cavity and the feeding cavity are arranged with the transfer cavity as the center to form a core cavity, and a control panel used for operating equipment is arranged right in front of the main machine cabinet. The system is reasonable in design, safe and reliable, low in hardware and consumable cost, long in maintenance period and good in process quality, and meets the use requirements.

The present invention relates to the technical field of power distribution industry, and specifically to an electrical cabinet for suburban use, comprising a base, a bottom cabinet, a main cabinet, two sliding plates, two lifting assemblies, multiple placement plates, two rotating rods, two inspection ladders, two control panels and a shielding assembly. The bottom cabinet and the base are buried underground, and the main cabinet is placed on the bottom cabinet from top to bottom in a hoisting manner. The lifting assembly is used to raise the height of the sliding plate so that the sliding plate can slide out from above. The multiple placement plates are used to place components, and the control panel is used to control the lifting assembly from the outside to bring out the components for easy inspection or replacement. The area of the shielding assembly is larger than the upper surface of the main cabinet, and is used to prevent rainwater from directly entering from above. The four sides of the main cabinet are integrated, and the cabinet door design is eliminated, which enhances the sealing performance, thereby solving the problem that the sealing facilities of the existing electrical cabinets will gradually age after long-term use, reduce the sealing effect, and easily cause water ingress and damage to internal components.

A gas holder inlet and outlet pipeline maintenance system comprises a gas holder, a gas holder inlet line, a gas holder outlet line, an inlet water-sealed tank and an outlet water-sealed tank, the inlet water-sealed tank is connected with an inlet of the gas holder through an inlet water-sealed tank outlet line, and the outlet water-sealed tank is connected with an outlet of the gas holder through an outlet water-sealed tank inlet line. The tail ends of the gas holder inlet line and the outlet water seal tank inlet line correspondingly extend into the inlet water seal tank and the outlet water seal tank from the top of the tank, the starting end of the gas holder outlet line is connected with the outlet water seal tank, the side face of the inlet water seal tank is connected with the inlet water seal tank water inlet line, and the side face of the outlet water seal tank is connected with the outlet water seal tank water inlet line. A first stop valve is arranged on the gas holder inlet line, the front side and the rear side of the first stop valve on the gas holder inlet line are connected into a first emptying line and a condensate draining line respectively, a second stop valve is arranged on the gas holder outlet line, and the rear side of the second stop valve on the gas holder outlet line is connected into a second emptying line. The system can effectively prevent gas leakage when the inlet and outlet pipelines of the gas holder are overhauled.

The utility model discloses an anti-leakage monitoring device for a double-membrane gas storage cabinet, relates to the technical field of double-membrane gas storage cabinets, and aims to solve the problems that gas pressure detection devices are arranged on the outer sides of gas conveying pipelines of existing double-membrane gas storage cabinets to prevent gas leakage of the pipelines, but gas pressure cannot be detected in a space between an inner membrane and an outer membrane. According to the technical scheme, the double-film gas storage cabinet solves the problems that in the prior art, a leakage-proof monitoring device convenient to use is lacked, once gas in an inner film leaks, monitoring cannot be conducted in time, and safety is low in the prior art, and the double-film gas storage cabinet is mainly characterized by comprising a double-film gas storage cabinet body, and a detection gas pipe is fixedly connected to the outer side of the double-film gas storage cabinet body; a gas wireless pressure detector is mounted at one end of the outer side of the detection gas pipe, a connecting piece and a joining piece are arranged at the two ends of the outer side of the mounting plate respectively, a screw is inserted into the connecting piece, an electromagnetic valve is fixedly connected to the outer side of the detection gas pipe, and a wireless receiving device is arranged on the outer side of the double-film gas storage cabinet body. And the effect of convenient use is achieved.

The invention relates to the technical field of coating processing, and discloses a gas supply device for supplying special gas to a coating cabin, the device mainly comprises a main special gas holder, a standby special gas holder, a pre-filled buffer tank and a gas flow dispersion component, the main special gas holder and the standby special gas holder are connected with the pre-filled buffer tank through a pneumatic three-way valve to form a double-gas-source gas supply system; when the pressure of the main special gas holder is insufficient, the pneumatic three-way valve is automatically switched to the standby special gas holder, the pre-filled buffer tank preferentially releases stored high-pressure gas in the process, gas is continuously supplied to the coating cabin through the gas supply main pipe, and the problem of gas pressure fluctuation caused by valve switching in the traditional design is completely avoided. The pre-filled buffer tank adopts a coaxial double-chamber design and comprises a high-pressure chamber on the outer layer and a pressure stabilizing chamber on the inner layer, the high-pressure chamber is connected with a pneumatic three-way valve, the pressure stabilizing chamber is communicated with the coating cabin through a gas supply main pipe, an annular metal isolation plate is arranged in the pressure stabilizing chamber, and automatic balance of gas pressure is realized through an automatic adjusting mechanism.

The water curtain cabinet recovery structure with the gas-water separation function is arranged on a water curtain cabinet, the water curtain cabinet comprises a gas inlet cabinet, a water storage pond and a gas collection box, the gas inlet cabinet and the gas collection box are arranged on the two sides of the top of the water storage pond respectively and are communicated with each other, the gas inlet cabinet is provided with a water curtain plate, a plurality of water baffles are arranged in the gas collection box, and the water baffles are communicated with the water storage pond. A check block is arranged on the side, away from the air inlet cabinet, of the bottom of the air inlet cabinet, a baffle is arranged on the side, close to the air inlet cabinet, of the bottom of the air collecting box, the baffle is used for reducing the flow speed of airflow flowing from the air inlet cabinet, the check block comprises an arc part and a drainage part, and the arc part is in an arc shape and used for guiding the airflow to flow towards the baffle. The drainage part is positioned above the arc part and below the baffle plate; according to the water curtain cabinet recovery structure with the gas-water separation function, the arc check block and the baffle are additionally arranged, high-speed airflow is guided to impact the baffle, rapid water-gas separation is achieved, and the water-gas separation effect is improved.

The utility model relates to a high-pressure environment-friendly gas cabinet with a pressure relief knapsack structure, which comprises the pressure relief knapsack structure and a gas cabinet, and the pressure relief knapsack structure is fixed on one side of the gas cabinet far away from an instrument box on the gas cabinet; an upper pile head, a lower pile head, a sensor, a mutual inductor and the like are arranged in the gas cabinet; a partition plate is arranged between the upper pile head and the pressure relief backpack structure; a flow guide buffer area is arranged between the pressure relief opening and the upper pile head, and a pressure relief path is arranged between the pressure relief opening and the lower pile head. The pressure relief knapsack is additionally arranged at the rear part of the cabinet body, the rear part of the upper pile head is separated by the aluminized zinc plate partition plate, and the pressure relief mode directly avoids the upper pile head. The rear pressure relief design is adopted, and the upper pile head is separated. A flow guide channel is additionally arranged between the pressure relief opening and the upper pile head, and airflow is guided to be released to an equipment-free area. Metal protective baffles are additionally arranged on the bus and the cable terminal on the pressure relief path; through the targeted design, the pressure relief function can be achieved, and meanwhile the safety threat to the upper pile head and peripheral equipment is reduced.

The invention discloses a wet-type gas holder failure possibility quantitative evaluation method and a related device, and relates to the technical field of industrial safety, and the method comprises the steps: obtaining the prior failure probability, Gamma distribution parameters and historical fault data of each assembly of a wet-type gas holder; according to the historical fault data, correcting the prior failure probability of each component to obtain the corrected posterior failure probability of each component; establishing an event tree model according to the safety interlocking logic structure of the wet gas holder; the event tree model comprises a plurality of events; calculating the posterior failure probability of each event according to the event tree model and the corrected posterior failure probability of each component; according to the posterior failure probability of each event, calculating to obtain the failure probability after each failure mode of the wet gas holder is corrected; the fault modes comprise emptying, leakage and deflation. According to the method, the failure probability of the wet gas holder can be accurately calculated.

1. The name of the design product: natural gas cabinet cover connecting piece. 2. The use of the design product: connecting piece for automobile natural gas cabinet cover. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. The name of this design product: flow calibrator. 2. Purpose of this design product: Integrated in the gas cabinet of semiconductor equipment, used for testing and calibration of mass flow controllers. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.