34results about How to "Anti-explosion effect" patented technology

The invention discloses an anti-explosion multi-component dynamic air distribution device and method. The device comprises a low-pressure air distribution system 15, an air compression generation device 16, a pressurization system 17, a vacuumization system 18 and a filling system 19. Through the adoption of a back pressure valve, the pressure of gas at the gas outlet end of the back pressure valve is stable before the gas enters a gas mixer, so that an anti-explosion effect is achieved; due to the adoption of a variable frequency diaphragm compressor, product gas is high in purity and free of impurity gas pollution; moreover, the pressure in the low-pressure air distribution channel is stabilized in a safe pressure range by adjusting the working frequency of the variable frequency diaphragm compressor to achieve the anti-explosion effect; flow control ranges of n mass flow controllers are distributed in a trapezoidal shape for real-time control on gas flow, so that the air distribution precision is improved; air generated by the air compressor is utilized as a diluent gas channel, so that the cost is saved; an alarm function can be performed in an air distribution process.

The invention discloses a locking self-sealing dry quick joint. The locking self-sealing dry quick joint comprises a dry quick male joint and a dry quick female joint; the dry quick male joint comprises a male joint shell, a male joint valve base, a guide spring bushing, a spring, a slide valve element and a spiral guide groove; and the dry quick female joint comprises a female joint shell, a valve element support base, a fixed valve element, a slide valve base, a guide bushing, a spring bushing, a spring, a front end cover, a cam and an operation hand wheel. The locking self-sealing dry quickjoint realizes connection and disconnection through the female joint axially rotated in and out of the male joint, so that the medium leakage quantity in the connection and disconnection process during fluid conveying is reduced, and the purposes of environmental protection and conservation are achieved; and the locking self-sealing dry quick joint reduces internal friction of a mechanical structure through the cam and the spiral guide groove structure, is lower in operation driving force, saves both time and cost, optimally designs the flowing speed, and guarantees lower flow and pressure loss.

The invention relates to a square shell of a lithium battery or a power lithium battery. The square shell is a square cavity with one end opened, a safety wire is arranged on a side surface of the cavity and is internally sunken from the surface of the cavity, a surface, which is expanded when the lithium battery is failure, is right corresponding to an inner wall, of a side wherein the safety wire is pressed, of the shell, thus, the inner wall of the cavity of the square shell is extruded and the safety wire also begins to be torn outwards when a chemical material in the battery begins to be failure and is expanded outwards; when the inner wall is extruded to a certain extent, the safety wire will be broken to achieve effects of pressure relief and explosion prevention; and in such a case, the reaction time of the safety wire which is broken is short, a user is easy to found that the battery begins to be failure or not from appearance when the shell is extruded outwards, at the moment, the lithium battery can be timely replaced, and thus, the safety of the lithium battery or the power lithium battery is improved. Therefore, the square shell is more reasonable in structure and higher in safety performance.

The invention discloses a decoupling charge device and method capable of preventing excessive crushing of ores and spontaneous combustion of sulphide ores. The decoupling charge device comprises a blast hole baffle, a cylindrical charge tube made of a flexible material and a gravity hammer mesh bag fixed at the lower end surface of the bottom of the charge tube; and a plurality of groups of protruding supporting points are annularly distributed on the outer wall of the charge tube from top to bottom. Compared with the prior art, the device and the method are characterized in that decoupling charge is adopted for blast hole blasting, detonation waves transmit detonation into hole wall rock through an air medium, and air gaps, just like an air cushion, can store the energy of a gas product at the initial stage of the detonation waves (partially), so that the peak value of the initial pressure acting on a blast hole is weakened; and then the compressed air cushion releases the large amount of stored energy for acting, so that the acting time of the detonation gas product is prolonged, the blasting effect is improved, and the ores are prevented from being excessively crushed; and an spontaneous-detonation-proof effect can also be achieved, and then the spontaneous combustion of the sulphide ores under high-temperature explosives can be prevented.

The invention relates to the technical field of explosion-proof devices and in particular to explosion-proof equipment of a lithium battery. The explosion-proof equipment comprises a housing. An anode conducting strip is arranged on one side, close to the housing, of a cap body; corner plates are arranged on four corners of the inner wall of the housing; an explosion-proof plate is arranged between every two corner plates; locking boards are connected to one sides, far from the housing, of the explosion-proof plates through a plurality of damping springs; the corner plates and the explosion-proof plates are connected through connecting devices; a fixed clamp plate is arranged on one side of the housing; a notch is formed in the middle of one side, far from a hinge, of the fixed clamp plate; a clamping slot is formed in the middle of the fixed plate; one side, far from the hinge, of the cap body, is connected to a movable locking bar matched with the clamping slot through a pin roll; and a hammer-shaped head is arranged on the lower end of the moving locking bar. Compared with the prior art, the explosion-proof equipment provided by the invention is simple in structure, good in explosion-proofness, high in usability, practical and safer and small in potential safety hazard, brings more beneficial effects, and can avoid fire influence caused by explosion.

The invention relates to a dry-process electric bag combined dust removal system for eliminating smoke plume by using a converter primary flue gas ultralow emission. The rotary furnace is connected with a vaporization cooling flue, the evaporative cooling flue is connected with an evaporative cooler, the evaporative cooler is sequentially connected with an electrostatic dust remover, a multi-pipeanti-explosion flame arrester, a pulse cloth bag dust remover, a smoke eliminating device, a fan, a switching station and a chimney through a flue gas pipeline, wherein the switching station is further connected with a coal cabinet, the electrostatic dust collector, the multi-tube anti-explosion flame arrester and the pulse cloth bag dust remover are connected with a pneumatic ash conveying system, the pneumatic ash conveying system is connected with a compressed nitrogen gas source, the compressed nitrogen gas source is further connected with the evaporation cooler, the multi-tube anti-explosion flame arrester and the pulse cloth bag dust collector, the dry-process electric bag combined dust removal system for eliminating the smoke plume by the primary flue gas of the converter is anti-explosion and anti-condensation, the flue gas emission is ensured to reach the standard, the water vapor in the flue gas is eliminated, the corrosion to the pipeline is reduced, and the smoke plume is eliminated.

The invention discloses a soft touch screen protective film. The protective film comprises a polyethylene terephthalate (PET) film layer, a supporting layer, a silica gel layer, a fluoride release film and a buffer layer; the supporting layer is attached to the bottom of the PET film layer; the silica gel layer is attached to the bottom of the supporting layer; one side, far away from the supportlayer, of the silica gel layer is connected with the buffer layer; and one side, far away from the silica gel layer, of the buffer layer is connected with the fluoride release film, wherein the thickness of the fluoride release film is 50 microns. The buffer layer comprises a first high-transparency PET film, a second high-transparency PET film and a third high-transparency PET film, wherein the first high-transparency PET film is attached to the bottom of the silica gel layer, the second high-transparency PET film is connected to the bottom of the first high-permeability PET film, and the third high-transparency PET film is connected to the bottom of the second high-permeability PET film. The soft touch screen protective film can well prevent a situation that bubbles is generated when thefilm is adhered to a mobile phone touch panel, so that adhesion is facilitated, and meanwhile, a situation that damage to a human bodies due to the fact that a conventional toughened glass film is easily broken is avoided.

The invention relates to a full-dry dust removal system for converter primary flue gas high-efficiency energy-saving ultra-clean emission. A converter is connected with a heat pipe waste heat boiler through a vaporization cooling flue, and the vaporization cooling flue and the heat pipe waste heat boiler are connected with a waste heat water vapor system; the heat pipe waste heat boiler is sequentially connected with a multi-tube type anti-deflagration flame arrester, a pulse cloth bag dust remover, a fan, a switching station and a chimney through a flue gas pipeline, and the switching stationis further connected with a gas cabinet; and the heat pipe waste heat boiler, the multi-tube type anti-deflagration flame arrester and the pulse cloth bag dust remover are connected with a pneumaticash conveying system, the pneumatic ash conveying system is connected with a compressed nitrogen gas source, and the compressed nitrogen gas source is connected with the vaporization cooling flue, themulti-tube type anti-deflagration flame arrester and the pulse cloth bag dust collector. According to the full-dry dust removal system for converter primary flue gas high-efficiency energy-saving ultra-clean emission, flue gas cooling and the flue gas waste heat utilization are realized, the full-dry dust removal is adopted, the dust removal process requirement of a pulse cloth bag dust remover is met, the corrosion problem of a gas pipeline and equipment facilities is reduced, and the problem of smoke plumes of bled fuel gas is also avoided.

The invention discloses a novel full-automatic intelligent oiling machine dry powder fire extinguishing device. The device comprises an explosion-proof box body, a pipeline, a nozzle, a fire detector,a fire alarm controller and a dry powder storage tank filled with ultrafine dry powder extinguishing agents, wherein the nozzle and the fire detector are arranged outside the explosion-proof box body, the dry powder storage tank is arranged inside the explosion-proof box body, an electric control valve device is mounted at the top of the dry powder storage tank, the electric control valve devicecommunicates with the nozzle through the pipeline, the fire detector is used for detecting a fire signal and transmitting the fire signal to the fire alarm controller, the fire alarm controller sendsan instruction to the electric control valve device according to the received fire signal, and the fire alarm controller is provided with a memorizer for storing detection data and a communication module used for being in data transmission connection with a cloud server. According to the device, by utilizing the arranged memorizer and the communication module, the monitored data is networked, theremote intelligent monitoring fire extinguishing can be achieved, the monitoring condition can be known in time, and the device is suitable for an open place with explosion risks.

The invention relates to a dry dust removal system for converter primary flue gas ultra-low emission and smoke plume elimination. A converter is connected with a vaporization cooling flue, and the vaporization cooling flue is connected with an evaporation cooler; the evaporation cooler is sequentially connected with a multi-tube type anti-deflagration flame arrester, a pulse cloth bag dust remover, a smoke plume eliminating device, a fan, a switching station and a chimney through a flue gas pipeline, and the switching station is further connected with a gas cabinet; and the multi-tube type anti-deflagration flame arrester and the pulse cloth bag dust remover are connected with a pneumatic ash conveying system, the pneumatic ash conveying system is connected with a compressed nitrogen gas source, and the compressed nitrogen gas source is further connected with the evaporation cooler, the multi-tube type anti-deflagration flame arrester and the pulse cloth bag dust collector. According to the dry electric-bag combination dust removal system for converter primary flue gas ultra-low emission and smoke plume elimination, electrostatic dust removal is not adopted, so that the explosion venting problem of the electrostatic dust remover is eliminated; the design is anti-explosion, the structure is anti-condensation, and the emission of fuel smoke is guaranteed to reach standard; and water vapor in the flue gas can be eliminated, so that the corrosion to the pipeline can be reduced, and smoke plumes can be eliminated.

The invention aims to disclose novel explosion-proof glass, comprising an impact layer (1) and a protective layer (2) which are sealed with a sealing part (3), wherein the impact layer (1) is explosion-proof compound glass (5) or reinforced explosion-proof compound glass (5); and the protective layer (2) is composed of sandwich glass (14) or a plastic sheet (6); and a closed buffering chamber (9) is formed between the impact layer (1) and the protective layer (2) through the intervals of arranged buffers (8). An impact wave is buffered for the first time by arranging a protective rubber sheet in the reinforced explosion-proof compound glass; and the impact wave caused by explosion is buffered for the second time through the buffering chamber; at the same time, spattering of veneering glass fragments is further prevented by additionally adding the rubber sheet behind the protective layer; so that explosion can be prevented fundamentally; and the novel explosion-proof glass has significant effect for safety protection of banks, financial and public places.

The invention discloses an online analyzer for water in crude oil, and the analyzer comprises a casing, a mounting plate, window covers, glass covers, pressing rings, pillars, a panel, a circuit board, a water-containing probe assembly and a connecting terminal, wherein the mounting plate is vertically fixed in the casing, the casing is provided with openings at both end ends of the mounting plate, the window covers are screwed into the openings, the inner rings of the window covers are fastened with the glass covers, the window covers are fixed with the pressing rings at the inner sides of the glass covers, the pillars are fixed at four corners of the inner side of the mounting plate, the panel is fixed at the ends of the pillars, and the panel is fixed with circuit board by screws. In the online analyzer for water in crude oil, the threads by which the casing is connected to the explosion-proof filling letter, the wire plug, the connecting sleeve and the window covers are all explosion-proof threads, the effective number of meshing is more than 5 buckles, and the effective meshing length is greater than 8mm. The adaption of the explosion-proof threads at the joints can ensure thestability of the overall connection and effectively play an explosion-proof effect.

The invention discloses a damping industrial trundle which comprises a universal trundle and a height adjusting shell. Each universal trundle comprises a damping assembly, a trundle frame and a trundle body installed on the trundle frame. The damping assembly comprises an upper top plate, a lower top plate and an elastic piece connected between the upper top plate and the lower top plate. The top of the trundle frame is connected with the bottom surface of the lower top plate through a bearing; the upper top plate and the lower top plate are telescopic top plates; the top of the height adjusting shell is connected with equipment, and a height adjusting groove and a damping coefficient adjusting groove are formed in the side wall of the height adjusting shell; the universal trundles are installed in the height adjusting shell, the height of the portion, stretching out of the height adjusting shell, of the trundle frame is controlled by controlling the upper top plate to stretch and enabling the stretching part of the upper top plate to be connected with the height adjusting grooves of different heights in a clamped mode, and then switching of the rotation limiting function and the rotation non-intervention function of the height adjusting shell on the trundle frame is achieved. In addition, by adjusting the distance between the upper top plate and the lower top plate, the damping coefficient of the elastic piece can be adjusted.

The invention relates to a fiber-reinforced glass material. The fiber-reinforced glass material is prepared from the following components in parts by weight: 86-120 parts of silicon dioxide, 8-14 parts of strontium carbonate, 3-9 parts of aluminum sesquioxide, 12-15 parts of polypropylene fiber, 18-26 parts of glass fiber, 3-8 parts of lignin fiber, 0.3-1.5 parts of samarium oxide and 0.6-3 partsof neodymium oxide. The fiber-reinforced glass material is reasonable in component ratio and has excellent properties such as impact resistance, explosion resistance, mechanical damage resistance andresistance to low temperature and high temperature; the anti-explosion effect is achieved; the anti-explosion safety performance is improved.

A capacitor device with cutting and protecting functions disclosed in the invention comprises a shell, a capacitor cavity with a downward opening is formed in the shell, a detection sliding plate capable of sliding up and down is arranged at the upper end in the capacitor cavity, and a capacitor is fixedly arranged on the lower side of the detection sliding plate and located in the capacitor cavity. Clamping block cavities with openings facing the capacitor are symmetrically formed in the left wall and the right wall in the capacitor cavity and located on the lower side of the detection sliding plate, elastic materials capable of sliding left and right are arranged in the clamping block cavities, through the mode that alarming is conducted first and then cutting is conducted, alarming reminding is conducted on the outside world through expansion of the capacitor, the detection efficiency is improved, According to the capacitor device, the pins of the capacitor are cut off, so that subsequent recovery and maintenance work is facilitated, the maintenance efficiency is improved, meanwhile, the explosion-proof effect can be achieved through fixation of the shell and the mainboard, damage to surrounding elements due to explosion of the capacitor is prevented, and the maintenance cost is reduced.

The invention discloses a wireless charging miner lamp with good sealing performance, and specifically relates to the field of mine electrical appliances. The miner lamp comprises a shell of which thebottom is open, and the device further comprises a sealing device, wherein the sealing device comprises a U-shaped bottom shell matched with the open type outer shell; the U-shaped bottom shell is arranged at the bottom of the outer shell; a bolt used for fastening is arranged at the bottom of the U-shaped bottom shell in a penetrating mode and extends into the outer shell; a fixing block locatedin the outer shell is arranged on the bolt in a penetrating mode; a transverse plate is fixedly arranged at the top of the fixing block, the bolt penetrates through the transverse plate, and a notchclamped with the transverse plate is formed in the inner wall of the outer shell. Through screwing the bolt, the bolt penetrates the transverse plate and the fixing block so that the transverse plateand the fixing block move together, the transverse plate is clamped in the notch, the outer shell is driven to move downwards, the U-shaped bottom shell is driven to move upwards until the U-shaped bottom shell is tightly attached to the outer shell, a joint can be well sealed through a sealing ring made of rubber materials, the sealing performance of the joint is guaranteed, and the miner lamp iseasy and convenient to use and good in sealing performance.

The invention discloses an anti-peep flexible explosion-proof film, which comprises a flexible film; the upper surface of the flexible film is sequentially provided with a protective layer and a highrefractive index hardening layer from top to bottom; the lower surface of the flexible film is sequentially provided with an anti-peep layer, an organosilicone pressure-sensitive adhesive layer and arelease layer from top to bottom, wherein the surface of the anti-peep layer is provided with a parallel hexagon grain with the edge length being 3mm, the line width being 2 microns and the line depthbeing 3 microns, an included angle between a straight edge and a corresponding inclined edge is 120 degrees, and an included angle between an inclined edge and a corresponding inclined edge is 60 degrees; and the anti-peep layer is prepared by adopting a polyurethane material mixed with a phthalocyanine pigment. The anti-peep flexible explosion-proof film has very high flexibility, can exert better buffering performance in the process that a mobile phone drops, is wide in application range, can be suitable for various electronic screens and is particularly suitable for 2.5D and 3D arch-shapedscreens.

The invention discloses a ball body and a processing technology thereof. The ball body comprises a ball body, the inner hole is formed in the ball body and used for circulation of gas or liquid; the valve rod groove is formed in the surface of the ball body through a T-shaped milling cutter, and the valve rod groove is matched with the valve rod through the valve rod groove; the spherical hole is formed in the surface of the sphere; the air inlet end of the exhaust hole is located in the spherical hole, and the air outlet end of the exhaust hole is located on the surface of the ball body. The anti-explosion ball machining device has the beneficial effects that when a ball is machined, the anti-explosion effect can be achieved through the spherical surface hole formed in the surface of the ball and the exhaust holes formed in the ball, and the machining precision is high.

The invention discloses a release film for a car cover, and a preparation method of the release film. The release film comprises a PET base layer, which is sequentially provided with a pressure-sensitive adhesive layer, a release layer and a protective layer, wherein the protective layer comprises benzoate, turpentine, butanone, methylbenzene, nano metal oxide, sodium hydrogen sulfate and an ultraviolet ray absorber, the release layer is prepared from an isocyanate curing agent, butyl acetate, a prepolymer resin, methyl hydroquinone, 2-hydroxymethyl oxetane and dodecyl glycidyl ether, and thepressure-sensitive adhesive layer is prepared from nano-scale SiO2 powder, an epoxy acrylic curing agent, ethyl acetate and dimethyldiethoxysilane. According to the invention, an ultraviolet ray absorber is added in a protective layer, so that ultraviolet ray can be completely blocked, harm of the ultraviolet ray to human bodies is avoided, the service life is long, the definition is good, and a certain explosion-proof effect can be achieved on the automobile glass.

The invention discloses an Acheson graphitization resistance furnace with high single-furnace productivity. The Acheson graphitization resistance furnace comprises a processor, an infrared thermometer and a spectrum laser instrument. According to the Acheson graphitization resistance furnace with the high single-furnace productivity, the infrared thermometer transmits detected temperature information to the processor, the temperature integral calculation unit performs integral on the whole-time and whole-area temperature to obtain the heat loss amount, the spectrum laser transmits gas volume information monitored by the gas emission volume monitoring unit to the processor, and the processor performs integral calculation on the whole-time and whole-area temperature to obtain the heat loss amount. The volume of the emitted gas is integrated through the volume integration calculation unit, chemical energy taken away by the emitted gas is obtained, the processor compares the heat loss amount and the chemical energy taken away by the emitted gas with a preset heat conduction rule model through the calculation comparison unit, and the corresponding temperature distribution in the furnace body is automatically calculated. And the processor performs output adjustment on the heating point of the resistance heater through the adjustment command unit according to the temperature distribution in the furnace body, so that the temperature in the furnace body is homogenized.

The invention provides a heat dissipation type explosion-proof structure of a laser scanner, which comprises a shell, a heat dissipation module is arranged in the shell and comprises a heat absorption piece, a heat conduction pipe is arranged at one end of the heat absorption piece, a heat dissipation structure is arranged outside the shell, the heat conduction pipe is connected with the heat dissipation structure so that heat in the shell can be conducted to the outside of the shell and a top cover is arranged on one end of the shell. The heat conduction pipe is connected with the inner side of the top cover and the heat dissipation structure is arranged outside the top cover. The problem that a traditional three-dimensional laser scanner is poor in anti-explosion performance due to unsmooth heat dissipation is solved.

The invention provides a total ultraviolet-proof automobile film, comprising a PET (Polyethylene Terephthalate) composite film, a PET protective film and a PET coating film arranged between the PET composite film and the PET protective film; the side of the PET coating film in contact with the PET composite film is coated with a uv400 total ultraviolet-proof slurry; the side of the PET coating film in contact with the PET protective film is coated with an adhesive; the uv400 total ultraviolet-proof slurry is composed of 2,2'-dihydroxyl-4-methoxybenzophenone, methylbenzene, butanone, an oil-based nano titanium dioxide dispersant, a thioxanthone photoinitiator, a yellow azo dye and acrylic resin. The invention also provides a manufacturing method of the automobile film; the manufactured automobile film is capable of completely stopping ultraviolet rays and preventing the ultraviolet rays from hurting the human body, and also long in service life, good in clarity, and further capable of achieving certain anti-explosion effect on the automobile glass.

The invention discloses a decorative film for electrochromism and a preparation method thereof. The decorative film comprises an upper coating layer and an electrochromism layer with an upper film layer as a substrate base material, and a lower coating layer with a lower film layer as a substrate base material, and the upper coating layer and the lower coating layer are respectively attached to and cover two side surfaces of the electrochromism layer to form a whole body. PET is used as a substrate base material for magnetron sputtering coating and fits an electrochromic material, multi-layerstructure lamination is carried out through the conductive decorative film, the synthesis of the composite electronic color-changing material is simpler and more convenient, the advantages of multicolor development, wide spectrum and fast response can be obtained, the conductive function is good in stability in actual work, the yield in the production process is high, the cost is reduced, the high-standard requirements of customers can be met in combination with the upper coating layer, market requirements are met, the conductive film can be widely applied to various PET base materials and glass base materials, meanwhile, the urban pollution problem can be solved, energy is saved, and the environment is protected.

The invention discloses an explosion-proof LED lamp. The explosion-proof LED lamp comprises a bottom box, an LED light source, a light condensing plate, a glass cover, a fixing frame, a fixing face and a shell; a cooling hole and a movable screw are arranged on the outer surface of the bottom box (11), the fixing frame and the bottom box are movably connected through the movable screw; a screw penetrating hole is formed in the outer surface of the fixing frame, a fixing screw is fixedly connected in the screw penetrating hole, the fixing frame and the fixing face are fixedly connected throughthe fixing screw, an LED power source and an LED light-emitting original part are arranged in the bottom box, and a rubber ring is arranged on the upper surface of the bottom box fixedly. The glass cover, the fixing frame and the cooling hole are arranged, a certain explosion-proof effect is achieved, the irradiation angle of the LED lamp is adjusted, the service life of the lamp is prolonged, thestructure is novel, operation is easy, the explosion-proof effect is good, and the lamp has the high popularization value.

The invention relates to the technical field of storage tank floating discs, in particular to a fireproof and explosion-proof floating disc and a fireproof method. The fireproof and explosion-proof floating disc comprises a liquid storage pool fixed to the center of the top of a storage tank body and a sealing structure arranged in the center of the top of the floating disc body. A plurality of blocking pieces are hinged to the edge of the top end face of the sealing structure, inversely buckled on the top end face of the sealing structure and in point contact with the top end face of the sealing structure. An oil storage cavity suitable for being filled with oil is formed between the storage tank body and the floating disc body. When the pressure in the oil storage cavity is increased, the sealing structure can jack up the blocking pieces till the blocking pieces make face-to-face contact with the top end face of the sealing structure. After the blocking pieces are jacked up to be broken off, the blocking pieces can extend into the liquid storage pool so that the cooling liquid can flow out. The blocking pieces are arranged, so that the anti-explosion effect is achieved when the pressure in the oil storage cavity is small, the effect of opening the liquid storage pool to cool the oil storage cavity is achieved when the pressure in the oil storage cavity is large, and meanwhile the effect of guiding flowing-out cooling liquid can be achieved.

The invention discloses an electric flocculation oily sewage treatment device with a hydrogen escape and explosion prevention function. The electric flocculation oily sewage treatment device comprises a treatment shell, and a water storage tank, an electric flocculation area and a water purification area are arranged in the treatment shell. A plurality of crossed polar plate electric flocculation devices are arranged in the electric flocculation area. Each crossed polar plate electric flocculation device comprises an outer shell, a water storage area and a reaction area are arranged in the outer shell, and a uniform distributor is arranged between the water storage area and the reaction area. A plurality of groups of electrode assemblies are arranged in each reaction area, each group of electrode assembly comprises two parallel electrode plates, and the electrode plates are parallel to the water inlet direction. The electrode plates in each group of electrode assembly are connected with a pulse power supply. A hydrogen escape and explosion prevention device capable of sucking hydrogen and reducing the hydrogen concentration is arranged at the upper part of an exhaust port above the water purification area. The hydrogen escape and explosion prevention device is arranged above the purification area, hydrogen and air are sucked through a double-inlet fan, the concentration of the hydrogen is reduced, an explosion-proof effect is achieved, and the safety degree of the device is high.