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81results about How to "Play a role in fire extinguishing" patented technology

Transformer shell capable of preventing fire and extinguishing fire

The invention provides a transformer shell capable of preventing a fire and extinguishing the fire. The transformer shell comprises a shell. According to the technical main points, the shell is an aluminum alloy shell; a transformer room is arranged at the upper part of the shell; a control room is arranged at the lower part; a temperature sensor, a smoke detector and a cooling water pipe are arranged in the transformer room; two ends of the cooling water pipe are connected with a water supply pipe and a water return pipe; the water supply pipe is connected with a water supply end of a water pump; the water return pipe is connected with a water return end of the water pump; a fire extinguishing agent storage tank is arranged in the transformer room, and is connected to an atomizing nozzle through a fire extinguishing agent delivery pipe; an electromagnetic valve is arranged on the fire extinguishing agent delivery pipe; a central controller is arranged in the control room; the temperature sensor and the smoke detector are respectively connected to the central controller through an A / D converter; the central controller is connected with the water pump and the electromagnetic valve; and the central controller is connected with a mobile phone through a GSM module on the basis of a GSM network. According to the transformer shell, cooling treatment can be carried out on the transformer according to the measured temperature around the transformer; whether a fire phenomenon is generated on the transformer or not is detected in real time; and the fire is timely extinguished through the fire extinguishing agent if the fire phenomenon is generated.
Owner:CHONGQING HUAWANLUN ELECTRIC APPLIANCE CO LTD

Battery cooling system and method

The invention discloses a battery cooling system and method. The system comprises a battery box and a gas bottle filled with CO2 gas. A box air inlet and a box air outlet are arranged in the battery box, a gas bottle air outlet and the box air inlet are connected through a first pipeline, the box air outlet is connected with a second pipeline, a first control valve and a reducing valve are arranged on the first pipeline, a second control valve is arranged on a second pipeline, a first detection control device used for detecting the temperature of a battery is arranged in the battery box, and the first control valve, the reducing valve and the second control valve are all electrically connected with the first detection control device. The decompressed CO2 gas expands to absorb heat to cool the battery in the battery box, the temperature difference between the decompressed CO2 gas and the battery is 40 DEG C, heat exchange rate of the battery and the gas is greatly increased, and energy consumption is reduced because the CO2 gas does not require refrigeration before entering the battery box. In addition, the CO2 gas has a fire extinguishing function and can protect the battery.
Owner:HUBEI JINQUAN NEW MATERIALS CO LTD

Fire extinguishing protection power distribution cabinet

The embodiment of the invention discloses a fire extinguishing protection power distribution cabinet. The cabinet comprises a cabinet body, a power distribution cabinet main board is fixed on a mounting plate; the power distribution cabinet main board is provided with a first connecting plug. A supporting plate is arranged opposite to the mounting plate; a mounting cavity is formed between the supporting plate and the mounting plate; a sliding groove mechanism is arranged between the supporting plate and the mounting plate; a sliding seat is arranged in the sliding groove mechanism; a mountingbox is arranged on the sliding seat; a door opening-closing mechanism is arranged at a front end of the mounting box; a protective main board is arranged in the mounting box, a second connecting plugis arranged on the protective main board; the supporting plate is further provided with an air bag and a driving mechanism, inert gas is stored in the air bag, the air bag abuts against a rear end ofthe mounting box and is connected with a first control valve through a first air supply pipe, the first control valve is connected with a sand blasting device, the sand blasting device is fixed to anouter wall of the mounting box and faces the power distribution cabinet main board, and the driving mechanism is in transmission connection with the rear end of the mounting box. Inert gas can be sprayed outwards through the air bag, sand can be sprayed outwards through the sand spraying device, fire extinguishing is achieved, and the fire extinguishing speed and effect are improved.
Owner:张燕 +2

Efficient composite fire extinguishing agent and preparation method thereof

The invention discloses an efficient composite fire extinguishing agent and a preparation method thereof, and relates to the technical field of firefighting. The fire extinguishing agent comprises, byweight, 28-36 parts of heptafluoropropane, 40-48 parts of 1,1,2,2,3,3,4-heptafluorocyclopentane, 4-8 parts of liquid nitrogen, 6-12 parts of ammonium bicarbonate, 1-5 parts of calcium carbonate, 1-3parts of potassium sulfate, 2-6 parts of talcum powder and 1-5 parts of diatomite. The fire extinguishing agent has the advantages of combination of the fire extinguishing advantages of several physical and chemical fire extinguishing agents, improved fire extinguishing efficiency, low corrosivity, long atmospheric survival time and low greenhouse effect potential value.
Owner:JIUJIANG CSSC CHEM TECH

Medium/high-pressure fine water mist nozzle with wind resistance and wind resistance application method thereof

The invention discloses a wind resistance application method of a fine water mist nozzle and a medium / high-pressure fine water mist nozzle with wind resistance. Multiple fine water mist nozzles are arranged in the axial direction and the lateral direction of a lotus nozzle shell; the nozzles adopt 2 to 3 types of direct injection and cyclone fine water mist nozzles with different atomization characteristic parameters; and more than one direct injection and / or cyclone fine water mist nozzles are arranged in the axial direction of the nozzle shell, and more than four direct injection and cyclone fine water mist nozzles are uniformly intersected in the lateral direction of the nozzle shell, so that fine water mists are respectively sprayed in the axial direction and the lateral direction of the nozzle shell to guarantee an effective atomization conical angle of the fine water mist nozzle under the working condition of wind. The influence of the fine water mist nozzle by the wind in use is lower than the influence of a traditional single cyclone nozzle; and under the working condition of no wind or wind, the fine water mist nozzle can enable the fine water mists to cover all fire protecting ranges, so that the excellent overall fire extinguishing performance is guaranteed, the application capacity of the fine water mist nozzle in outdoor wind environment is improved, and the fine water mist nozzle is suitable for outdoor popularization and application.
Owner:STATE GRID HUNAN ELECTRIC POWER +2

Comprehensive pipe rack structure

The invention relates to the field of urban pipe rack building construction, and discloses a comprehensive pipe rack structure which comprises a pipe rack main body. A natural gas cabin, a comprehensive cabin and a rainwater cabin are arranged in the pipe rack main body, the comprehensive cabin and the natural gas cabin are located on the two sides in the pipe rack main body correspondingly, the rainwater cabin is located in the middle in the pipe rack main body, a first fireproof sealing wall is arranged between the natural gas cabin and the pipe rack main body, a first fireproof sealing wallis arranged between the rainwater cabin and the pipe rack main body, a second fireproof sealing wall is arranged between the rainwater cabin and the natural gas cabin, and a subsection valve is arranged in the natural gas cabin to divide the natural gas cabin into independent natural gas cabin sections. The fireproof sealing performance of the natural gas cabin is improved through the second fireproof sealing wall arranged between the natural gas cabin and the rainwater cabin, the comprehensive cabin is protected through the rainwater cabin, and the potential hazards of the natural gas cabinto the comprehensive cabin are reduced.
Owner:成都市市政工程设计研究院有限公司

Automatic rising and falling wind resistance high pressure fine water mist fire extinguishing device

The invention relates to an automatic rising and falling wind resistance high pressure fine water mist fire extinguishing device. The automatic rising and falling wind resistance high pressure fine water mist fire extinguishing device comprises a lifting mechanism and a fire extinguishing spraying head. The lifting mechanism comprises a main water tube, branched water tubes, a T-shaped three-way tube, a spring and a water storage tank, the main water tube is rotatably connected to the two ends of the T-shaped three-way tube in the horizontal direction in a sealing mode, one ends of the branched water tubes are connected with one end of the T-shaped three-way tube in the longitudinal direction, the fire extinguishing spraying head is connected to the other ends of the branched water tubes,the water storage tank is arranged on the branched water tubes, and the branched water tubes are connected with the top of a space in which a connecting device is located through the spring. The fireextinguishing spraying head comprises a rotational flow pressurizing module and a spray nozzle module, the rotational flow pressurizing module comprises a tangential slot unit and a direct incidence interception unit, the tangential slot unit is arranged in the branched water tubes and connected to the mounting end, and the direct incidence interception unit is arranged in the branched water tubesand connected with the tangential slot unit. Compared with the prior art, the automatic rising and falling wind resistance high pressure fine water mist fire extinguishing device can perform efficient fire extinguishing when fire disaster occurs in a perpendicular state; and efficient fire extinguishing further can be carried out in a windy environment, and the good integral fire extinguishing performance is guaranteed.
Owner:SHANGHAI UNIV OF ENG SCI

Safety battery, safety mobile power supply and terminal

The invention discloses a safety battery, a safety mobile power supply and a terminal. The safety battery comprises a cell layer and a coating layer for covering the cell layer, wherein the coating layer comprises a solid extinguishing material. By adopting the scheme that the solid extinguishing material is arranged in the coating layer for taking the extinguishing effect when the battery is on fire, the safety battery has an excellent market foreground.
Owner:SHENZHEN ZHONGYUANHANG TECH

Intelligent power distribution cabinet for electric power sales

The invention belongs to the field of power equipment. The invention particularly relates to an intelligent power distribution cabinet for electric power sales. The intelligent power distribution cabinet comprises a mounting mechanism and a connecting mechanism, the mounting mechanism comprises a cabinet body, a smoke alarm and a controller, the smoke alarm and the controller are mounted on a topsurface of the cabinet body, a detection end of the smoke alarm is located in the cabinet body, the smoke alarm is in signal connection with the controller, and the connecting mechanism comprises a fixed plate and a bearing frame; once the equipment in the cabinet body is on fire and smokes, the smoke alarm gives an alarm, the alarm is transmitted to the controller, the controller control an electromagnet to power off the electromagnet, no magnetic attraction force is generated on a magnetic attraction sliding frame; under the action of gravity, a flexible folding cylinder is pulled downwardsto be unfolded, the magnetic attraction sliding frame slides to make contact with the fixed plate, the flexible folding cylinder is unfolded, the unfolded flexible folding cylinder can effectively prevent external air from flowing into the cabinet body, the fire extinguishing effect is achieved, meanwhile, the equipment in the cabinet body cannot be affected, and the effect of preventing after-combustion is achieved.
Owner:俞国峰

Power transmission line forest fire monitoring, early warning and positioning system and method thereof

The invention provides a power transmission line forest fire monitoring, early warning and positioning system and method, and the method comprises the following steps: S1, judging whether there is a fire possibility or not according to the remote sensing data of a synchronous orbit satellite, if yes, positioning a fire scene through a remote sensing image target positioning algorithm, and executing the step S2; S2, driving at least one monitoring unmanned aerial vehicle to go to the fire scene; s3, acquiring a shot picture returned by the monitoring unmanned aerial vehicle and displaying the shot picture on the GIS monitoring platform; and S4, determining the fire possibility according to the shot picture, and circling a fire area according to the shot picture when determining that the fire exists. The scheme is matched with the unmanned aerial vehicle, when a suspected fire occurs, the unmanned aerial vehicle is started to go for detection, dual confirmation can be achieved, the mountain fire disaster detection accuracy is guaranteed, meanwhile, a large number of cameras do not need to be installed, and the camera maintenance cost is reduced.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID

Fire patrol and fire extinguishing system for transformer substation and fire extinguishing method of fire patrol and fire extinguishing system

The invention provides a fire patrol and fire extinguishing system for a transformer substation and a fire extinguishing method of the fire patrol and fire extinguishing system. The fire patrol and fire extinguishing system for the transformer substation comprises an autonomous positioning navigation obstacle avoidance unit, a water mist fire extinguishing unit, a walking control unit, a sensing control unit and a power supply unit. Regular patrol is carried out on a predetermined area, and the surrounding environment is scanned through an infrared double-vision thermal imaging module. When afire is found, a master control module sends out an alarm signal, analysis is carried out through image data, and a fire scene area and a fire source area with the highest temperature are determined.If the maximum distance between the fire source area and the boundary of the fire scene area is smaller than or equal to 1 m, fire source fire extinguishing is executed preferentially. If the maximumdistance between the fire source area and the boundary of the fire scene area is greater than 1 m, diffusion-prevention fire extinguishing is executed preferentially, and then fire source fire extinguishing is carried out. When the surface temperature of an object ranges from 30 DEG C to 100 DEG C, fire extinguishing on the area is stopped. After fire extinguishing is completed, patrol continues to be carried out. Through the arrangement, the fire patrol and fire extinguishing system for the transformer substation has extremely high fire extinguishing efficiency, and meanwhile secondary damageto electronic equipment cannot be generated in the fire extinguishing process.
Owner:FIBRLINK NETWORKS

Battery cover plate component, battery cell, battery module, power battery pack and electric vehicle

The invention provides a battery cover plate component, a battery cell using the battery cover plate component, a battery module including the battery cell, a power battery pack including the batterymodule and an electric vehicle including the power battery pack. The battery cover plate component comprises a cover plate, sealing cavities, an electrode inner terminal for connecting internal current of the battery, and an electrode outer terminal for extracting the current. The first sealing cavity is filled with nitrogen or inert gas. The pressure in the first sealing cavity is greater than the pressure in the second sealing cavity under the normal state so that the conductive deformation part and the electrode inner terminal are enabled to be electrically connected. A reversible medium capable of generating gas is included in the second sealing cavity. When the battery is abnormal, the gas generated by the medium can act on the conductive deformation part to electrically disconnect the conductive deformation part from the electrode inner terminal so as to improve the safety of the battery and enable the battery to be reused.
Owner:BYD CO LTD

Fireproof big data machine room power distribution box capable of automatically closing heat dissipation holes

The invention discloses a fireproof big data machine room power distribution box capable of automatically sealing heat dissipation holes. The power distribution box comprises a power distribution box body, the heat dissipation holes and a metal hose nozzle, the heat dissipation holes are formed in the side of the power distribution box body, a gas storage chamber is fixedly installed on the inner side of the power distribution box body, a barrier plate is installed in a dry powder chamber, a pulling rope is fixedly installed at the lower end of the barrier plate, a movable block is installed on the inner side of the lower end of a pushing rod, the outer end side of the clamping rod is installed at the upper end of a movable block, and the inner end of the clamping rod is movably connected to the upper end of the vertical frame. According to the fireproof big data machine room power distribution box capable of automatically sealing the heat dissipation holes, the heat dissipation holes can be sealed and blocked in time when a fire occurs in the power distribution box, so that external air is prevented from continuously entering the power distribution box; and meanwhile, multiple modes can be adopted for extinguishing fire, and inert gas and dry powder can be uniformly distributed in the distribution box.
Owner:广东省中浩科技有限公司

Fireproof treatment process for steel structure

InactiveCN113318949APrevent large areas from falling offAvoid corrosionPretreated surfacesCoatingsCombustionSuper absorbent
The invention discloses a fireproof treatment process for a steel structure, and belongs to the field of steel structures. According to the fireproof treatment process, fireproof particles are added into a fireproof coating to prevent the fireproof coating and anticorrosive paint from falling off in a large area, and meanwhile, the fireproof performance is effectively improved, on one hand, the fireproof particles cover an anticorrosive primer to prevent the primer from being corroded by external moisture and oxygen, and therefore rapid failure of the anti-corrosion primer is effectively prevented; and on the other hand, the fireproof coating is separated from the anti-corrosion primer through the fireproof particles, so that the anti-corrosion primer is not dragged when the fireproof coating prevents combustion or falling off, the fireproof particles effectively prevent heat from being transmitted to the steel structure, the fireproof particles delay combustion through water and carbon dioxide generated by thermal decomposition of carbonic acid, the carbon dioxide can play a certain fire extinguishing role and effectively prevent fire from expanding, the water generated by decomposition is absorbed through super absorbent resin balls, combustion can be prevented, heat is taken away when water evaporates, and the temperature can be effectively reduced.
Owner:陈琰

Automatic vehicle fire extinguishing apparatus and fire extinguishing method thereof

InactiveCN102949788AAvoid damageEliminate spontaneous combustionFire rescueSpontaneous combustionElectricity
The present invention relates to an automatic vehicle fire extinguishing apparatus and a fire extinguishing method thereof. The automatic vehicle fire extinguishing apparatus comprises a plurality of sensors, a signal processor, a blastable fire extinguishing agent bag and a heater, wherein the sensors and the heater are electrically connected with the signal processor, the sensors are arranged on easy-on-fire positions of a vehicle, and are provided for carrying out signal acquisition on a condition of the easy-on-fire position of the vehicle, the signal processor receives the signal acquired by the sensor and accordingly determines whether the easy-on-fire position of the vehicle meets a fire extinguishing condition, if the easy-on-fire position of the vehicle meets the fire extinguishing condition, the signal processor starts the heater to heat the blastable fire extinguishing agent bag so as to instantaneously blast the bag and carry out fire extinguishing, and if the easy-on-fire position of the vehicle does not meet the fire extinguishing condition, the sensor continuously acquires the condition of the easy-on-fire position of the vehicle. According to the present invention, the instantaneously blastable fire extinguishing agent bag is adopted, and the fire extinguishing agent can be uniformly distributed in a large range during blasting, such that spontaneous combustion phenomenon at an on-fire initial stage can be quickly and efficiently eliminated, pipelines, sprinklers and other devices are not required to be arranged on the vehicle body, and characteristics of simpleness and practicality are provided.
Owner:HANGZHOU BRANCH ZHEJIANG GEELY AUTOMOBILE RES INST +2

Medium-voltage fire-resistant power cable

The invention relates to a medium-voltage fire-resistant power cable. The cable comprises cable cores, a cooling layer, a fireproof composite layer, a metal armor layer and a sheath. The plurality ofcable cores are coated in the cooling layer; and the cooling layer is sequentially coated with a fireproof composite layer, a metal armor layer and a sheath from inside to outside. Each cable core comprises a plurality of wire core bundles. A plurality of dry powder pipes are arranged in gaps among the plurality of wire core bundles; the dry powder pipes are filled with a fire extinguishing agent,each wire core bundle comprises a conductor, and a conductor shielding layer, an insulating layer, an insulating shielding layer and a metal shielding layer which are coated outside the conductor, and the conductor shielding layer, the insulating layer and the insulating shielding layer are extruded on the conductor in a three-layer co-extrusion manner in a one-step molding manner. The medium-voltage fire-resistant power cable disclosed by the invention has certain fire resistance and cooling performance, can ensure the transportation of electric power and signals when a fire occurs, or has the effects of extinguishing fire and retarding flame when a short circuit fire occurs.
Owner:上海业燊科技有限公司

Ammonium phosphate salt dry powder extinguishing agent and preparation method thereof

The invention belongs to the field of dry powder extinguishing agents, and relates to an ammonium phosphate salt dry powder extinguishing agent and a preparation method thereof. The ammonium phosphate salt dry powder extinguishing agent is prepared from the following raw materials in parts by weight: 70 to 75 parts of ammonium dihydrogen phosphate; 15 to 20 parts of ammonium sulfate; 1 to 5 parts of white carbon black; 1 to 3 parts of silicone oil; 1 to 3 parts of water; and 1 to 20 parts of filler. The particle size D90 of 50-60% of ammonium dihydrogen phosphate is 10-15 [mu]m, the particle size D90 of the remaining ammonium dihydrogen phosphate is 80-100 [mu]m, and the particle size D90 of ammonium sulfate is 80-100 [mu]m. The dry powder extinguishing agent has excellent fire extinguishing performance, the overall bulk density of the extinguishing agent can be increased easily, and the situation that a fire extinguisher and a fire extinguishing system are difficult to fill can be effectively avoided.
Owner:NINGBO NENGLIN FIRE FIGHTING EQUIP

Carbon dioxide colloidal foam fire extinguishing device

The invention discloses a carbon dioxide colloidal foam fire extinguishing device. The device comprises a mixing tank, wherein a diluent inlet pipe is arranged at the upper part of the mixing tank, and a gas inlet pipe and a mixed liquid outlet pipe are correspondingly arranged at the lower part of the mixing tank; the mixed liquid outlet pipe is sequentially connected with a high pressure pipe II and a sprayer; an one-way valve III, a valve III and a throttling valve are sequentially arranged on the mixed liquid outlet pipe along the liquid outgoing direction; the tail end of the gas inlet pipe is connected to a liquid carbon dioxide steel cylinder; an one-way valve I, a valve I and a pressure reduction valve are sequentially arranged from the mixing tank to the liquid carbon dioxide steel cylinder on the gas inlet pipe; the tail end of the diluent inlet pipe is connected and communicates with a high pressure pipe; the high pressure pipe communicates with a diluting tank through a hydraulic pump. According to the device, the foam sprayed by the device can form a colloidal isolating film at a fire site; the colloidal particles are fine, and are high in combination capacity, large in covering area and high in fire extinguishing capacity; and the fire extinguishing cost is low. The device is simple in structure, and easy to operate.
Owner:NANYANG NORMAL UNIV

Self-closed fireproof electronic instrument case capable of blocking external oxygen

The invention discloses a self-closed fireproof electronic instrument case capable of blocking external oxygen, which comprises a case body and air vents, and is characterized in that the left and right sides of the case body are provided with the air vents convenient for air circulation; the case also comprises a barrier plate which is arranged on the inner side of the case body, wherein a counterweight iron block is mounted between the lower end of the barrier plate and the case body, and the upper end of the barrier plate is connected with the case body through an auxiliary spring; a moving plate which is arranged at the lower end of the barrier plate, wherein the moving plate and the case body are connected with each other through a built-in spring; and a second rope, wherein one end of the second rope is installed at the upper end of the bearing plate, and the other end of the second rope is connected to a center shaft of a movable disc in a wound mode. According to the self-closed fireproof electronic instrument case capable of blocking the external oxygen, a fire can be extinguished in time when the fire occurs, meanwhile, the overall fire extinguishing efficiency can be improved, and the duration needed by overall fire extinguishing is shortened.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG

A kind of high-energy environment-friendly regenerated clean fuel and its preparation method

The invention discloses high-energy and environment-friendly renewable clean fuel and a preparation method thereof, and belongs to the technical field of a new energy source fuel. The high-energy and environment-friendly renewable clean fuel is prepared from the following raw materials by mass percent: 65.43% of methanol, 30.5% of auxiliary material, 3.3% of denaturing agent, 0.57% of dissolving-assisting and pungent-increasing additive, and 0.2% of dispersant. The high-energy and environment-friendly renewable clean fuel produced by the method disclosed by the invention has the significant progresses that 1, the traditional fuel can be fully and comprehensively replaced, and the realistic problem of crisis of global energy can be solved; 2, the high-energy and environment-friendly renewable clean fuel is wide in raw material range, and free of emission of three wastes in the production process; 2, the high-energy and environment-friendly renewable clean fuel is broad in applicable range, and the operating requirements of kinds of fields such as industries and the like can be met; 4, the consumption is lower than that of the traditional fuel under the same condition, the environmental index is that over 80% of emission is reduced in comparison with the traditional fuel, and energy conservation and emission reduction are really achieved; 5, the high-energy and environment-friendly renewable clean fuel is high in cost performance, and the price of the product does not change along with fluctuation of the international crude oil price, and is stable; and 6, the high-energy and environment-friendly renewable clean fuel is high in safety performance.
Owner:GUIZHOU TAIERKEN ENERGY SCI & TECH

Electrical control cabinet

The invention relates to the technical field of electrical equipment, and especially relates to an electrical control cabinet. The electrical control cabinet includes a cabinet body; the cabinet bodyis provided with a cavity; the outer surface of the cabinet body is provided with a long groove; a sealing strip is embedded in the long groove; the edge at the bottom of the cavity is provided with abottom column; the front of the bottom column is provided with a pair of inclined openings in symmetrical distribution; the top of the bottom column is provided with multiple through holes communicating with the inclined openings; and the front end of the cabinet body is in hinged joint with a face cover, so that rainwater can be kept out by the face cover and prevented from splashing in the cabinet body when the electrical control cabinet opens the face cover in rainy days. Through the arrangement of a storage device on the top of the cavity and the filling of a fire extinguishing layer in the storage device, a film can be melted by the high temperature of flames when switch equipment in the cabinet body is in short circuit and on fire, and therefore, the fire extinguishing layer can bespattered on the surface of the switch equipment, and fire extinguishing effects can be achieved; and through the arrangement of a placing platform at the bottom of the cabinet body, various maintenance tools and small parts can be placed on the placing platform when the switch equipment in the cabinet is maintained.
Owner:重庆大潼电气设备有限公司

Forest fire trench excavation emergency vehicle

The invention relates to the related field of fire fighting, and discloses a forest fire trench excavation emergency vehicle. The forest fire trench excavation emergency vehicle comprises a vehicle body, wherein a push-out cavity is formed in the vehicle body, an excavation cavity with a downward opening is formed in the lower side of the push-out cavity in a communicating mode, an excavation plate is fixedly arranged on one side wall of the excavation cavity, the lower end of the excavation plate extends to the lower side of the vehicle body, excavation shovels are fixedly arranged on the upper side and the lower side of the end face, facing the other side wall of the excavation cavity, of the excavation plate, a cam cavity is formed in the side wall, away from an opening, of the push-out cavity in a communicating mode, a reciprocating push plate mechanism is arranged in the cam cavity, and a soil breaking mechanism is arranged on the lower side of the vehicle body and located on the side, opposite to the excavation plate, of the excavation cavity. According to the forest fire trench excavation emergency vehicle, soil can be firstly crushed during excavation, the soil is wetted by spraying water, the excavation of the soil is facilitated, the excavation efficiency is further improved, and meanwhile, the fire extinguishing effect is improved.
Owner:义乌市圣彭纺织品有限公司

Fire preventing and extinguishing type strong reinforcing material for underground space filling, and preparation method and application thereof

The invention discloses a fire preventing and extinguishing type strong reinforcing material for underground space filling, and a preparation method and application thereof, and belongs to the technical field of building materials. The reinforcing material is prepared from, by mass, 0.2-0.6 part of guar gum, 0.8-2.0 parts of acrylic acid, 0.05-0.15 part of an initiator, 0.1-0.5 part of N-N methylene bisacrylamide, 15-25 parts of cement, 50-70 parts of sand, 2.0-3.0 parts of a reinforcing agent, 0.6-1.0 part of a fire extinguishing agent and 10-18 parts of water. The material greatly improves the reinforcing property and fire extinguishing performance, can better repair cracks, and absorbs a large amount of water to achieve a fire extinguishing effect.
Owner:SHANDONG UNIV OF SCI & TECH

Iron tailing lightweight phase change concrete and preparation method thereof

The invention discloses iron tailing lightweight phase change concrete and a preparation method thereof, belonging to the technical field of building materials. The invention aims to solve the problems of high cost and poor temperature adjustment effect of phase change temperature adjustment concrete, poor stability of iron tailings, dry shrinkage cracking, high maintenance cost and the like in the prior art. The iron tailing lightweight phase change concrete is prepared from the following raw materials in parts by mass: 5 to 15 parts of cement, 10 to 20 parts of quick lime, 10 to 15 parts of fly ash, 35 to 45 parts of river sand, 30 to 40 parts of iron tailings, 0.08 to 0.15 part of aluminum powder paste, 0.2 to 0.5 part of water-absorbent resin, 0.2 to 0.8 part of an active auxiliary agent, 55 to 65 parts of water and 0.1 to 0.5 part of a water reducing agent. The iron tailing lightweight phase change concrete provided by the invention has good workability and good constructability in a preparation process; collapsing can be effectively prevented in early-stage maintenance; maintenance conditions are simple, and hydration reaction can be continued; stability is good, and cracking is prevented; heat is effectively absorbed and a temperature is reduced when a fire disaster occurs; and a temperature can be adjusted according to humidity to keep a comfortable environment.
Owner:JIAHUA SPECIAL CEMENT

Electrical control box for engineering machinery

The invention belongs to the technical field of control boxes, particularly relates to an electric control box for engineering machinery, and aims to solve the problems that a large number of electric appliance elements exist in an existing electric control box, and spontaneous combustion flames cannot be extinguished in time although the electric appliance elements can be automatically powered off and give an alarm when spontaneous combustion occurs due to short circuit of electric appliances, so that greater risks are easily caused. According to the technical scheme, the device comprises a box body, four supporting legs are arranged at the bottom of the box body, an electric appliance element is arranged in the box body, two box covers are rotationally installed on the front face of the box body, a smoke sensor is arranged on the rear side of the inner wall of the box body, a plurality of heat dissipation holes are formed in the two sides of the box body, and a supporting plate is fixedly installed in the box body; a foam nozzle is rotationally installed at the bottom of the supporting plate, a foam cylinder is installed on the inner wall of the top of the box body, and a separation net is arranged in the foam cylinder. The device is simple in structure, foam can be sprayed to extinguish fire when spontaneous combustion of an electric appliance occurs, meanwhile, oxygen can be isolated, and larger risks are avoided.
Owner:XUZHOU PAT CONTROL TECH

Fireproof thermal insulation board

The invention provides a fireproof thermal insulation board comprising a thermal insulation layer, an adhesive layer adhered to the thermal insulation layer and a protective layer. A fireproof layer is adhered to the surface of the protective layer and covers the surface of the thermal insulation layer and side surfaces of the thermal insulation layer, the adhesive layer and the protective layer.The fireproof layer is internally provided with a placement groove in which a plurality of extinguishing bags are fixed. The fireproof layer, the protective layer and the thermal insulation layer areinternally provided with communicating through holes. The fireproof thermal insulation board has good fire prevention performance.
Owner:TIANJIN YUSHEN ENERGY SAVING THERMAL INSULATION MATERIAL

An electrical control box for engineering machinery

The invention belongs to the technical field of control boxes, in particular to an electrical control box for engineering machinery. A large number of electrical components exist inside the existing electrical control box. Although it can automatically cut off the power and give an alarm when a short circuit occurs in an electrical appliance, The spontaneous combustion flame cannot be extinguished in time, which is likely to cause greater risks. The following scheme is proposed, which includes a box body, four legs are arranged at the bottom of the box body, electrical components are arranged in the box body, and the front of the box body rotates There are two box covers installed, smoke sensors are installed on the rear side of the inner wall of the box, multiple cooling holes are opened on both sides of the box, a support plate is fixedly installed in the box, and a foam nozzle is installed on the bottom of the support plate. A foam cylinder is installed on the top inner wall of the body, and a partition net is arranged in the foam cylinder. The invention has a simple structure, and can spray foam to extinguish the fire when the electric appliance spontaneously ignites, and at the same time can isolate oxygen to avoid greater risks.
Owner:XUZHOU PAT CONTROL TECH
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