42results about How to "Improve explosion-proof performance" patented technology

The utility model discloses an ammonium nitrate solution concentration blending reation kettle with anti -explosion function belongs to reation kettle equipment technical field, the utility model discloses a reation kettle body is communicated with the discharge valve at reation kettle body bottom, can carry out even heating to solution through the electric heating plate in the reation kettle body inner wall bottom groove, avoid local temperature too high and cause ammonium nitrate to decompose gas and cause explosion, the cooperation design of stirring rod and top motor can carry out sufficient stirring to ammonium nitrate solution in reation kettle, make solution concentration distribution even. The annular ring and the explosion -proof pipe fixedly connected with the annular ring that reation kettle body surface sets up up and down, effectively enhanced the overall structural strength of reation kettle, the gas outlet pipe of top annular ring and the gas inlet pipe of bottom annular ring mutually cooperate, and the outside cold gas enters the space between the explosion -proof pipe and reation kettle body, and then even cooling is carried out to reation kettle body, and then gas is discharged to the outside from the gas outlet pipe, and the device has the advantages that the explosion -proof effect is good.

The utility model belongs to the technical field of chemical equipment, and discloses a low-temperature dangerous chemical reagent storage cabinet. A low-temperature dangerous chemical reagent storage cabinet comprises a storage cabinet body, an equipment placement cabinet, a support, a cabinet door and a reagent placement table, the storage cabinet body is in a hollow shape with an opening in one longitudinal side, and the reagent placement table can be detachably installed in the storage cabinet body; the equipment placing cabinet is arranged below the storage cabinet body in a connected mode, cooling equipment can be placed in the equipment placing cabinet, and the support is arranged below the equipment placing cabinet in a connected mode. Through cooperative work of the heat absorber and the closed-loop water cooling system, rapid cooling is achieved, the low temperature in the cavity is maintained, the cooling device is suitable for chemical reagents sensitive to the temperature, the damping device effectively absorbs vibration of the cooling device, and collision between reagent bottles caused by vibration generated when the cooling device works is avoided.

This invention discloses a cold-resistant, low-smoke, airtight, explosion-proof control cable and its manufacturing method, relating to the field of control cable technology. It includes a central transmission cable with an outer protective rubber layer. The outer protective rubber layer is covered by an inner anti-slip silicone ring, which is further covered by an inner rubber expansion layer. A side-guided inner tube is located outside the inner rubber expansion layer. This invention utilizes a flexible expansion airbag and an adjustable isolation box with a linked internal and external pressure-stabilizing structure to maintain the internal air pressure of the control cable within a suitable range during use. This allows for rapid sealing and protection of the damaged area after external damage, preventing internal damage or electrical sparks caused by external impurities after the outer sheath is damaged. This effectively improves the explosion-proof capability and safety of the control cable.

The invention provides a composite carbon black material for artificial stone as well as a preparation method and application thereof, the composite carbon black material for artificial stone comprises the following raw materials in parts by weight: 10 parts of carbon black and 3 parts of a siloxane complexing agent, the moisture content of the composite carbon black material is less than 1%, and the particle size is less than or equal to 10 microns. The composite carbon black material for the artificial stone can be applied to production of quartz plates, and the composite carbon black accounts for 2-6% of the mass of the quartz plates. According to the composite carbon black material for the artificial stone as well as the preparation method and the application of the composite carbon black material, the compatibility with a quartzite base material can be enhanced, and the water absorption rate of a plate is reduced, so that the anti-knock performance and the waterproof and impermeable performance are improved.

The utility model relates to a tank type explosion-proof electric heater, which belongs to the technical field of electric heaters and comprises a heating tank body, a tubular electric heater main body, a first explosion-proof partition plate, a sealing tank cover, an electric heater cable and a high-temperature-resistant remote-transmission magnetic turning plate liquid level meter, and the heating tank body is provided with a second explosion-proof partition plate. According to the utility model, the U-shaped electric heating tube of the tubular electric heater main body is inserted into the heating tank cavity, the first anti-explosion partition plate and the second anti-explosion partition plate are connected, and the first anti-explosion partition plate and the second anti-explosion partition plate can be combined to separate the anti-explosion isolation cavity and the heating tank cavity, so that electric sparks can be physically isolated, and a steam permeation path can be blocked; the explosion propagation path is blocked through the cavity dividing design, nitrogen is introduced into the explosion-proof isolation cavity through the one-way air inlet valve, the junction box end and the wiring position of the tubular electric heater body can be sealed in the nitrogen inert environment, the inert environment eliminates the possibility of electric spark ignition, and the explosion risk caused by electric spark ignition is avoided. Therefore, the explosion-proof performance of the tank type electric heater can be further improved.

The utility model discloses a kind of explosion-proof machine case and power electronic equipment, including machine case main body and the machine cover of installation fixed in the top of machine case main body, a pair of side edge of machine cover is equipped with several first cover hole concave package, another pair of side edge of machine cover is equipped with several second cover hole difference concave package, first cover hole concave package is equipped with first concave package via hole, second cover hole difference concave package is equipped with second concave package difference via hole, the top ring surface of machine case main body is installed with several machine case main body connecting support piece corresponding with first cover hole concave package and second cover hole difference concave package respectively, second concave package difference via hole and first concave package via hole are all equipped with matching machine cover connecting piece.The utility model has the beneficial effect that: better explosion-proof effect can be realized, and for existing machine case and cover body change is smaller, appearance influence is small, improve the application range of explosion-proof machine case, reduce explosion-proof cost, compared with explosion-proof valve explosion-proof, its explosion-proof reliability is higher.

The utility model relates to the technical field of distribution boxes, in particular to an explosion-proof distribution box device with a double-sealing structure, which comprises a distribution box body. According to the explosion-proof distribution box device with the double-sealing structure, through the installation of the sealing assembly, when the box door of the distribution box body needs to be closed, a sealing strip on the back surface of the box door can be pushed into a sealing groove in a sealing plate, so that when the box door is closed, the sealing strip generates elastic deformation under the extrusion of the box door and the box body; meanwhile, the rubber strips in the sealing grooves have excellent weather resistance, chemical corrosion resistance and high elasticity and can keep stable performance for a long time, and when the box door is closed, the first metal sealing gasket on the back face of the box door can be attached to the second metal sealing gasket, so that the sealing performance of the box door is improved. The sealing mode utilizes the good conductivity of the metal material to conduct static electricity between the box door and the box body, so that the static electricity is prevented from being accumulated to generate electric sparks, and meanwhile, the blocking effect on flammable and explosive substances is further enhanced.

The utility model discloses a kind of explosion-proof water pumping devices, including base, water pump, water pumping pipe and drain pipe, water pump is installed on base, and there is water inlet and drain interface on water pump;One end of water pumping pipe is detachably sleeved on water inlet, and one end of drain pipe is detachably sleeved on drain interface;Water inlet and drain interface are on the same side of water pump;Base is also provided with clamping mechanism, and clamping mechanism includes two clamping pieces movably set, when two clamping pieces are relatively clamped, two clamping mouths are formed between two clamping pieces, one of which clamps water pumping pipe on water inlet, and the other clamping mouth clamps drain pipe on drain interface.The utility model can prevent water pipeline from falling off from the interface of water pump, to improve the explosion-proof performance of water pumping device.

The invention provides an anti-explosion robot, and relates to the technical field of robots, the anti-explosion robot comprises a machine body, an outer shell, a detection assembly, a walking assembly and a control module; the machine body comprises a first cavity; the detection assembly comprises a position adjusting module, a first gas detection module and an image acquisition module; the control module is located in the first cavity, the control module is electrically connected with the position adjusting module, the first gas detection module, the image collecting module and the walking assembly, and the control module is used for controlling the first gas detection module to collect gas concentration data of the environment where the anti-explosion robot is located; determining an abnormal position of the target device according to the gas concentration data; and according to the abnormal position of the target device, controlling a position adjustment module to adjust the image acquisition direction of an image acquisition module so as to acquire image information of the abnormal position. According to the invention, rapid passing in a complex and narrow high-risk environment can be realized, and a gas leakage point can be rapidly and accurately positioned.

The invention discloses an anti-explosion piece, a top cover assembly and a battery, and belongs to the technical field of batteries, the anti-explosion piece comprises a body, the body is provided with at least two anti-explosion nicks, the at least two anti-explosion nicks are arranged at intervals in the radial direction of the body, each anti-explosion nick extends in the circumferential direction of the body to form a ring shape, and the anti-explosion nicks are arranged on the body. According to the invention, a pressure relief channel is provided step by step under different pressure levels, and the stability and controllability of the pressure relief process can be maintained, so that internal gas can be timely led out in a short time, and the explosion-proof effect and the safety performance of the battery under abnormal working conditions are improved.

This utility model discloses a novel explosion-proof temperature sensor, comprising a housing connected to a cover, a lead wire sleeve and a mounting connector on the housing, a temperature transmission module inside the housing, and a high-temperature conductor outside the housing. One end of the high-temperature conductor is connected to a platinum resistance thermometer, and the other end extends into the housing through the mounting connector and connects to the temperature transmission module. An explosion-proof sheath is provided on the outside of the high-temperature conductor and the platinum resistance thermometer. A threaded connection is provided on the inner wall of the lead wire sleeve, and a stuffing box is screwed into the threaded connection. A sealing ring is provided between the stuffing box and the bottom of the threaded connection, and an annular gasket is provided between the sealing ring and the bottom of the stuffing box. An O-ring is provided between the stuffing box and the upper end of the threaded connection. This utility model achieves a seal on the lead wire sleeve by using an O-ring, a sealing ring, and a stuffing box, thereby improving the sealing effect, reducing the impact of external factors on the internal structure of the housing, and improving the explosion-proof performance.

The invention provides an anti-explosion robot, and relates to the technical field of robots, the anti-explosion robot comprises a machine body, a walking assembly and a control module; the machine body comprises a first cavity, a plurality of cavity mounting covers and a load mounting seat, the first cavity is provided with a plurality of first connecting ports, the load mounting seat is in threaded connection with one first connecting port, and the rest first connecting ports are in threaded connection with the cavity mounting covers; the walking assembly comprises a buffer module, a steering module, a steering driving module, a tire module and a walking module; the control module is located in the first cavity and electrically connected with the steering driving module and the first driving unit. The anti-explosion robot is small in size, high in universality and capable of effectively improving the maintenance efficiency.

The utility model discloses a cable explosion -proof box belongs to cable equipment technical field, including mounting spare and glue injection spare, two mounting spares can be relatively buckled and detachable connection to form explosion -proof box body, and the inside of explosion -proof box body forms sealed cavity, and the both ends of sealed cavity are provided with fixed line passageway, and fixed line passageway one end communicates sealed cavity, and the other end communicates outside, and fixed line passageway and sealed cavity coaxial setting, glue injection spare fixed connection in any mounting spare, and the glue injection passageway of being through being provided on glue injection spare, and glue injection passageway communicates sealed cavity with outside, is used to inject solidified explosion -proof glue in sealed cavity. The cable explosion -proof box through the design of mounting spare and glue injection spare, has realized the assembly of cable explosion -proof box convenientization and has dismantled, has effectively promoted the sealing and explosion -proof performance to cable and junction box interface, has guaranteed the stable safe operation of cable and related equipment.

The utility model relates to cable technical field especially relates to a kind of anticorrosive marine cable.Its technical scheme includes: cable body, the cable body includes multiple conductor body, the outside of each conductor body is provided with natural color insulating layer.The utility model is protected by setting up semiconductive conductor shielding layer and semiconductive insulation shielding layer to natural color insulating layer and color bar color separation insulation, by setting up isolation layer protection cable body internal structure, improve the fireproof and explosion-proof performance of cable body, by setting up inner protective layer, natural color insulating layer and color bar color separation insulation are not damaged by external factors, while preventing moisture and corrosive substance from invading, by setting up armoring layer, the mechanical strength and explosion-proof performance of cable body can be enhanced, by setting up outer protective layer, cable internal structure can be effectively protected from the corrosion of marine environment, while also having certain flame retardancy, the explosion-proof performance of cable can be improved.

The invention relates to the technical field of communication equipment, in particular to a mining call system, which comprises a call fixed-line telephone which is in telecommunication connection with other communication terminals; the rack is used for installing a telephone landline; the communication state detection mechanism is used for detecting the use state of the telephone; the gravity detection mechanism is used for detecting the position state of a call person; and the execution mechanism is used for executing related actions on the fixed-line telephone according to detection results of the gravity detection mechanism and the communication state detection mechanism, and when the gravity detection mechanism detects that the calling person leaves the fixed-line telephone and the fixed-line telephone is not hung up, the execution mechanism executes a hanging-up action to hang up the fixed-line telephone. According to the scheme, by detecting the use state of the telephone and the position state of the user, when the user leaves the telephone and the telephone is not hung up, the execution mechanism automatically executes the hanging-up action to hang up the telephone; and the phenomenon that the telephone set cannot be called due to the fact that the telephone set continues to occupy the communication channel when not hung up is avoided.

The utility model relates to the technical field of central dust collection, in particular to an anti-blocking and anti-explosion central dust collection system which comprises a rack and a funnel, the bottom of the funnel is fixedly connected with a switching funnel, the switching funnel is fixed at the top of a shearing module through bolts, and the bottom of the shearing module is fixedly provided with a discharging hopper through bolts. The bottom of the discharging hopper is fixedly connected with a vacuum discharging valve. And the shearing module comprises a motor, a rotating shaft, a shearing blade, a box body and a bottom plate, the box body is fixedly installed at the top of the bottom plate, a communicating discharging hopper is formed in the bottom of the box body and the bottom of the bottom plate, and the top of the box body communicates with a transfer funnel. The problem of blockage caused by metal wire winding is effectively solved, the oxygen concentration in the box body can be diluted, and explosion during metal wire shearing is avoided.

The utility model relates to the technical fields of methanol filling structure discloses anti -explosion pry mounting type methanol filling structure, including jar body and pry mounting base, jar body sets up on pry mounting base, has the jar cavity of device liquid methanol in jar body, be equipped with the filling machine for filling liquid methanol outward on pry mounting base, and filling machine communicates with jar cavity, jar body includes inner jar body and the outer jar body of wrapping in the outside of inner jar body, and inner jar body surrounds and forms jar cavity, and the surrounding interval of closed arrangement is formed between outer jar body and inner jar body, the surrounding interval is filled with explosion -proof layer, and explosion -proof layer is made of metal barrier explosion -proof material, and explosion -proof layer respectively with outer jar body and inner jar body butt joint, and explosion -proof layer divides the surrounding interval into a plurality of independent arrangement's partitioned area, jar cavity is filled with explosion -proof unit body, and explosion -proof unit body is made of non -metal barrier explosion -proof material, by setting up explosion -proof layer in the surrounding interval, and filling explosion -proof unit body in jar cavity, not only can eradicate electrostatic spark source, but also can improve explosion -proof effect.

This invention discloses a pressure-resistant, high-temperature-resistant, explosion-proof cable, relating to the field of cable technology. It includes a support rib with multiple openings, each containing a cable core. A functional layer and an outer sheath are sequentially arranged on the outside of the cable core. Two pressure-distributing components are fixed within each opening. Pressure-resistant components are positioned between the outer sides of the pressure-distributing components and the inner wall of the functional layer. The gaps between the pressure-distributing components, support rib, and pressure-resistant components are filled with heat-dissipating material. This invention, through the arrangement of pressure-distributing and pressure-resistant components, as well as heat-dissipating material, spray channels, and cavities, allows the multiple pressure-distributing components to contract and enclose the cable core when the cable is compressed. Simultaneously, the multiple channels allow the heat-dissipating material to move and dissipate heat under pressure. Furthermore, in the event of an internal fire, the internal pressure is transferred in different directions, providing effective pressure relief. This solves the problems of insufficient pressure resistance, poor heat dissipation, and weak explosion-proof capability of existing cables.

The application provides a stress detection circuit device for an explosion-proof environment, and belongs to the technical field of electronic circuits. It solves the problem of poor explosion-proof effect of the existing stress detection device. The stress detection circuit device for the explosion-proof environment comprises a power supply module, a power supply conversion module, a control module, a signal processing module, an interface board, a working module and an energy limiting module. The power supply module is connected with the power supply conversion module. The power supply conversion module is connected in parallel with the signal processing module and the interface board. The signal processing module is connected with the control module. The signal processing module is connected with the interface board. The interface board is connected with an ultrasonic probe for detecting stress. The signal processing module comprises a digital signal processing module and an analog signal processing module. The analog signal processing module is provided with a first voltage stabilizing diode. The digital signal processing module is provided with a voltage protection module, a power supply voltage stabilizing module, a power supply voltage reducing module and an isolation module. The application has the advantages of good explosion-proof effect.

The utility model relates to the technical field of gas storage tanks, and discloses an explosion-proof horizontal gas storage tank which comprises a tank body, a gas inlet pipe and an exhaust pipe, a filtering mechanism is arranged on the gas inlet pipe and comprises a shell with an end cover, a filtering frame is arranged in the shell in a sealed mode, a honeycomb-shaped filtering element is fixedly arranged on the filtering frame, and a first sealing groove is formed in the bottom face of the end cover. A second sealing groove is formed in the top surface of the shell; the end cover and the shell are hermetically connected through a sealing strip I; an exhaust cavity is formed in the top face of the tank body, an exhaust port is formed in the bottom of the exhaust cavity, an exhaust plug is arranged in the exhaust port, a phenolic resin graphite ring is arranged on the side face of the exhaust plug, and the exhaust port and the exhaust plug are sealed through the phenolic resin graphite ring. A guide rod is arranged on the exhaust plug, a spring penetrates through the guide rod, and the guide rod penetrates out of the top surface of the exhaust cavity; exhaust holes are formed in the top surfaces of the exhaust cavities. The explosion-proof gas storage tank prevents oil dirt from accumulating in the tank to form carbon deposition, local temperature rise is caused, gas in the tank is prevented from spontaneous combustion and explosion, and the explosion-proof effect of the gas storage tank is improved.

The utility model discloses an outdoor explosion-proof loudspeaker with a good dustproof effect, which relates to the technical field of loudspeakers, and comprises an inner shell, a permanent magnet is arranged in the inner shell, a first iron plate and a second iron plate are respectively arranged on the outer walls of the two sides of the permanent magnet, an iron column is fixedly connected to the outer wall of one side of the first iron plate, and the second iron plate is fixedly connected to the outer wall of the other side of the first iron plate. One end of the iron column penetrates through the center of the permanent magnet, the outer wall of the circumference of the permanent magnet is sleeved with a paper tube, and a copper coil is wound on the outer wall of the circumference of the paper tube. According to the utility model, the dustproof net is arranged at one end of the paper disc, so that dust and other impurities can be efficiently prevented from invading into the loudspeaker, the sound production quality is ensured, the service life is prolonged, and the dustproof net is fixed by using the magnetic attraction of the magnetic ring plate and the mounting groove, so that workers can quickly disassemble and clean the dustproof net; and meanwhile, the baffle ring plate on one side of the connecting plate plays a role in limiting the magnetic ring plate, so that the installation of the dustproof net is further stabilized, and the dustproof effect is effectively guaranteed.

The utility model relates to mechanical technical field discloses a novel combined explosion -proof plate, including explosion -proof plate, installation side plate, is evenly provided with installation side plate on explosion -proof plate, is provided with the clamping component, buffer assembly, fixed component on explosion -proof plate, the clamping component fixed setting is in explosion -proof plate four sides, buffer assembly sets up in the clamping component inside, fixed component sets up on the clamping component, the utility model discloses through the adaptive sliding clamping structure of clamping lug and clamping groove in the clamping component, can realize the quick combination positioning installation between explosion -proof plate, reach the explosion -proof plate through the explosion and realize pressure relief conveniently, thereby protect the equipment, the design of the buffer layer and the buffer pad in buffer assembly can buffer the collision energy of installation, the cooperation of wedge -shaped fixed lug and fixed slot in fixed component, on the basis of further reinforcing connection of clamping, ensure the stability of explosion -proof plate combination, prevent the loosening condition in the combination process, provide reliable support for the use place.

This invention discloses a low-energy-consumption explosion-proof infrared heating device, belonging to the technical field of infrared heating devices. A fireproof and explosion-proof pad is installed at one side of the opening inside the heat outlet. A fireproof and explosion-proof pad is also laid inside the explosion-proof high-temperature focusing element. A pushing component is installed inside the outer tube for positioning and sealing. When heat treatment is required, the heat collection tube is activated, using a limiting plate, a light-shielding plate, and a refractive layer for light blocking and focusing. The explosion-proof high-temperature focusing element then focuses the light for concentrated heating. Activation is achieved by using an electric telescopic rod to push the piston rod, inner sleeve, and outer heat-collecting shell for raising and lowering. When the temperature is too high, a temperature sensor activates a drive motor to rotate the rotating rod and cooling fan to accelerate heat dissipation. This facilitates replacement and disassembly, allows for real-time sensing and heat dissipation of the internal temperature, provides good multi-layer explosion-proof performance, and is more energy-efficient through heat and light focusing.

The utility model discloses an arch-shaped fast-assembly anti-explosion barrack armor installation structure, which relates to the technical field of anti-explosion barracks, and comprises an installation hook, an arch-shaped fast-assembly anti-explosion barrack armor installation structure and an arch-shaped fast-assembly anti-explosion barrack armor installation structure, the mounting chain comprises a fixed joint and a movable joint, the fixed joint is fixed on the inner side of the explosion-proof armor, and the movable end at the front end of the mounting hook is fixedly hooked with the fixed joint; wherein a plurality of installation hooks are arranged, a part of the installation hooks are fixed on the outer wall of the barrack main body, the explosion-proof armor and the barrack main body are fixedly connected in a hanging mode through matched use of the installation hooks and the installation chains, in addition, the installation hooks installed on the explosion-proof armor can be matched with the installation chains, and therefore the explosion-proof barrack can be installed on the barrack main body in a hanging mode. The two adjacent anti-explosion armors are connected into a whole, so that the overall anti-explosion effect of the armors is improved, the anti-explosion armors can be taken down only by unfastening the mounting hooks when the anti-explosion armors need to be disassembled, and the mounting and disassembling operation is simpler and more convenient.

The utility model relates to pipeline conveyor technical field, specifically disclose a pneumatic pipeline conveyor, including blanking shell, the outer surface of blanking shell is inclined design, the one end of blanking shell away from installation butt joint shell inserts and installs the conveying hose, the both ends fixed mounting of conveying hose have the hoop, the inside rotatory mounting of conveying hose has the hollow spiral piece, the inside fixed mounting of installation butt joint shell has the air motor, the output fixed mounting of air motor has the plug cap. This pneumatic pipeline conveyor, when using can through the inside delivery of air motor of external gas source device to air, through air motor drive adapter head and hollow spiral piece together rotate, let material can pass through the rotation of hollow spiral piece and the restriction of conveying hose, and the alignment material is transported, greatly reduces the explosion risk because of power end is motor, greatly improves the explosion -proof of pipeline conveyor.

A negative Poisson's ratio composite explosion-proof material and its preparation method are disclosed. The material comprises a gradient chiral superstructure shape memory alloy skeleton reinforcement phase, a shear-thickening liquid filler, and a ceramic particle reinforcement phase. The shape memory alloy skeleton reinforcement phase is formed by horizontally arranging and axially stretching gradient structure negative Poisson's ratio cell units. The negative Poisson's ratio cell units are composed of a gradient array of four-ligament or six-ligament chiral honeycomb structures. A mixture of the shear-thickening liquid filler and the ceramic particle reinforcement phase is impregnated and filled into the shape memory alloy skeleton. After solidification, the negative Poisson's ratio composite explosion-proof material is formed. The volume percentage of the shape memory alloy skeleton reinforcement phase is 20%–60%, the volume percentage of the shear-thickening liquid filler is 20%–40%, and the volume percentage of the ceramic particle reinforcement phase is 10%–50%. The preparation method of this invention is scientifically sound and reasonable. The composite explosion-proof material exhibits low density, high impact strength, high fracture resistance, and good energy absorption and shock absorption properties, showing broad application prospects in explosion-proof, bulletproof, and lightweight armor protection.

The utility model discloses a high-pressure-resistant explosion-proof electric heating tube, which comprises a tube body, an end cover is arranged at the open end of the tube body, an insulating support rod is arranged at one end, facing the tube body, of the end cover, an electric heating wire is arranged on the insulating support rod, and a pressure release valve is connected to the tube body and close to the electric heating wire. The pipe body sequentially comprises a lining layer, a reinforcing layer and a protective layer from inside to outside. The utility model has the advantages that the spring type pressure release valve is arranged on the pipe body close to the electric heating wire, so that when the electric heating wire is heated to heat gas in the pipe body to expand and the pressure is increased, the pressure release valve can be opened in time to discharge redundant gas in the pipe, and the pressure in the pipe is prevented from exceeding the bearing limit; therefore, safety accidents such as breakage and even explosion of the tube body are effectively prevented, the use safety of the electric heating tube is greatly improved, and stable operation of application scenes such as industrial production is guaranteed.

The utility model discloses an assembly type arched quick-assembly anti-explosion barrack, which relates to the technical field of anti-explosion barracks and comprises an assembly foundation, an assembly front wall, an arc-shaped assembly main body and an assembly rear wall are clamped above the assembly foundation, and the assembly front wall, the arc-shaped assembly main body, the assembly rear wall and the assembly foundation jointly form an arched barrack structure. According to the explosion-proof barrack, the explosion-proof barrack is designed to be of a structure that the armor and the barrack body are separated, the weight of a single module can be reduced, rapid carrying and splicing are facilitated, the structure is simple, the structure is simple, the cost is low, and the explosion-proof barrack is suitable for popularization and application. The fish scale type armor structure can provide a better defense effect at the armor nodes, the overall anti-explosion performance is improved, the detachable design enables the single anti-explosion armor to be rapidly disassembled and replaced after being damaged, the barrack body does not need to be disassembled and assembled, the maintenance efficiency is higher, and the maintenance cost for only replacing the anti-explosion armor is also relatively reduced.

This utility model relates to the field of fire door technology and discloses a fire door with explosion-proof function, including a door body and a cylindrical body. Multiple cylindrical bodies are welded and fixed to the inner side of the door body. An inner cavity is formed on the inner side of the cylindrical body. An opening communicating with the interior is provided on the front end of the inner cavity on the door body surface. Multiple vents communicating with the interior of the inner cavity are provided on the rear end of the inner cavity on the door body surface. A connecting rod is provided inside the cylindrical body and can slide through to the rear end of the door body. This utility model's technical solution, by providing multiple inner cavity structures formed by cylindrical bodies inside the door body, which communicate with the outside through openings and vents, allows for the rapid release of explosion pressure by inner and outer sealing plates. Explosive impact pressure can push against the inner sealing plate, compressing a heat-resistant spring and opening it. The outer sealing plate also moves accordingly, releasing the blockage of the openings and vents, thus quickly releasing the explosion pressure, reducing the impact pressure on the door body, thereby making the door body less susceptible to damage and improving its explosion-proof performance.