35results about How to "Effective fire protection" patented technology

The invention relates to a main transformer nitrogen protection breather and an application method thereof. The main transformer nitrogen protection breather comprises a main transformer body and a control device, wherein the main transformer body is connected to the bottom of an oil conservator by an oil conservator connecting pipe, a gas relay is installed on the oil conservator connecting pipe, the top of the oil conservator is connected to one end of a breathing nitrogen groove by a breathing pipe, an air supplement electromagnetic valve is arranged at the other end of the breathing nitrogen groove and connected to the air outlet of a high-purity nitrogen supplement device, and a reducing valve is arranged at the air outlet of the high-purity nitrogen supplementary device; the control device comprises a central control module, a pressure sensor electrically connected with the central control module and arranged at the oil conservator for detecting air pressure in the oil conservator, a pressure release valve arranged on the top of the oil conservator, and the gas supplement electromagnetic valve. The main transformer nitrogen protection breather can ensure respiration, and also can isolate contact of air and moisture with the oil level in the main transformer, thus ensuring that transformer oil in the main transformer is stable and good in quality for a long time, and also being capable of providing effective fireproofing and firefighting effect.

The invention discloses a fireproof material and a fireproof module and a fireproof board made of the material. It includes raw vermiculite and mainly includes the following components, and the parts by weight of each component are: 1 to 40 parts of raw vermiculite; 50-90 parts of cooked vermiculite; 15-25 parts of binder; 2 parts or less of graphite; the preferred amount of each component is: 10-20 parts of raw vermiculite; 60-80 parts of cooked vermiculite; 20 parts of binder parts; graphite is less than or equal to 1 part. The fire-blocking module and the fire-proof board are made of the above-mentioned fire-proof materials mixed and pressed. Utilizing the characteristics of thermal expansion of raw vermiculite, raw vermiculite is used instead of expanded graphite, which is a safe and effective fireproof material. It can be applied to various fireproof materials, and is especially suitable for fireproof modules, fireproof modules, firewalls, fireproof boards and the like made of fireproof materials.

The invention relates to a fire extinguishing device. The fire extinguishing device comprises a fire extinguisher, a wireless control terminal, a remote control, a nozzle, a temperature sensor, a smoke sensor, a spring pressing handle and a manual button, wherein the remote control, the manual button, the smoke sensor and the temperature sensor are electrically connected to the input end of the wireless control terminal respectively, and the output end of the wireless control terminal is used for controlling the spring pressing handle to open or close so as to control the nozzle of the fire extinguisher to open or close. An intelligent fire extinguishing system based on big data and the internet of things further comprises a monitoring center and an intelligent terminal, wherein a data storage server is arranged in the monitoring center, the data storage server is communicated with the wireless control terminal, and the server is further communicated with the intelligent terminal. The system has the advantages of practicability, reliability, simplicity in installation and convenience in operation, additionally, rechargeable batteries are provided for self, so that the fire extinguishing system can be started when a power supply fails, and firefighting safety can be effectively guaranteed for persons and properties.

The invention discloses a fire-proof protecting device of a shock-insulation rubber supporting seat. The fire-proof protecting device comprises upper heat-insulation profiles, lower heat-insulation profiles, aluminum silicate fiber blankets connecting pieces and fire-proof blocking materials. The fire-proof blocking materials are adhered between the contact faces of the upper heat-insulation profiles and upper layer columns. The lower heat-insulation profiles are arranged on the top faces of lower layer columns in a masonry mode through fire-proof adhesives. The fire-proof blocking materials are adhered between the upper heat-insulation profiles and the lower heat-insulation profiles. The spaces between the upper heat-insulation profiles and the shock-insulation rubber supporting seat as well as between the lower heat-insulation profiles and the shock-insulation rubber supporting seat are filled with the aluminum silicate fiber blankets. Through a fire-proof protecting construction method, good fire-proof protecting for the shock-insulation rubber supporting seat can be achieved, it can be ensured that fire-proof protecting is not destroyed during shock-insulation supporting seat deformation, and meanwhile the method has the advantages of being convenient to operate and wide in application range.

The invention discloses a CAFS fire-fighting robot device. The CAFS fire-fighting robot device comprises a rubber track chassis and a CAFS fire extinguishing device. The CAFS fire extinguishing deviceis arranged on the rubber track chassis. The CAFS fire extinguishing device comprises an anti-explosion electric fire nozzle, a water collector, a hydraulic system and a power unit. The power unit isconnected with the hydraulic system. The hydraulic system is used for controlling turn-on and turn-off of a water pump of a CAFS system and traveling and steering of the track chassis. The anti-explosion electric fire nozzle is connected with the CAFS system. The CAFS fire-fighting robot device has the advantages of being high in fire extinguishing efficiency, far in firing range and movable.

Disclosed is a fireproof protection method for a cable connector used in a humid environment. A fireproof protection box for the cable connector used in the humid environment is adopted; a non-inflammable dehumidifying material is arranged at the bottom of the fireproof protection box; a normally-closed dampproof and fireproof heat dissipation part, and a temperature-humidity sensor which is in communication with the dampproof and fireproof heat dissipation part are arranged on the fireproof protection box; when the temperature-humidity sensor detects that a real-time temperature in the fireproof protection box is not greater than a preset warning value, the dampproof and fireproof heat dissipation part is controlled to be closed; when the real-time temperature in the fireproof protection box is greater than a first preset warning value and the cable connector is overheated, the dampproof and fireproof heat dissipation part is controlled to be opened; and when the real-time temperature in the fireproof protection box is greater than a second preset warning value and the cable connector is combusted, the dampproof and fireproof heat dissipation part is controlled to be closed. By adoption of the fireproof protection method, effective dampproof protection on the cable connector is realized, thereby promoting heat dissipation of the cable connector, effectively reducing explosion or fire caused by heat accumulation; and in addition, in case of breaking out of fire, fireflow can be effectively blocked to prevent fire from spreading to other cables laid in the same tunnel.

The invention discloses a multi-core-layer inorganic mineral insulation flexible fireproof cable and a preparation method thereof, belonging to the technical field of power cables. The multi-core-layer inorganic mineral insulation flexible fireproof cable comprises cable cores, inorganic mineral insulation layers, filling layers, inorganic mineral wrapping tapes, a metal tube composite layer, an oxygen barrier layer and a flame-retardant outer sheath, wherein each cable core is formed by twisting a plurality of groups of conductive cores, the outer side of each cable core is coated with the inorganic mineral wrapping tape, and the filling layers are arranged between the cable cores coated with the inorganic mineral insulating layers and the inorganic mineral wrapping tapes. The cable has good flexibility and flame retardance, and is excellent in mechanical shock resistance and waterproof performance under the condition of fire.

The invention relates to the technical field of electrical equipment, and discloses a practical electrical equipment fireproof device which comprises a shell. A transmission shaft is arranged in the shell, a rotating disc is arranged on the surface of the transmission shaft, a push rod is arranged on the lower surface of the rotating disc, and a rotating rod is movably connected to the end, away from the rotating disc, of the push rod; and an auxiliary spray head is arranged at the lower end of the rotating rod, a rotating cylinder is movably connected to the end, away from the shell, of the transmission shaft, a ratchet wheel is arranged in the rotating cylinder, a first gear is arranged on the surface of the end, close to the rotating cylinder, of the transmission shaft, and a transmission gear is arranged in the rotating cylinder. According to the practical electrical equipment fireproof device, through cooperative use of the transmission shaft and the rotating disc, cooperative use of the rotating disc and the push rod and cooperative use of the rotating rod and the auxiliary spray head, the auxiliary spray head can achieve a reciprocating rotation effect, the spraying area of the auxiliary spray head can be effectively increased, the fireproof effect of electrical equipment is good, and fireproof protection of the electrical equipment is facilitated.

The invention discloses a steel-structure super-thin intumescent fire-retardant coating. The steel-structure super-thin intumescent fire-retardant coating is prepared from, by weight, 17-20 parts of ammonium polyphosphate, 10-15 parts of melamine, 6-10 parts of pentaerythritol, 6-12 parts of vinyl acetate-ethylene copolymer emulsion, 4-8 parts of thermoplastic acrylic resin, 5-10 parts of polyvinyl chloride resin, 3-7 parts of light calcium carbonate, 2.5-3.5 parts of methylcellulose, 18-26 parts of deionized water, 1-2 parts of thickening agent, 3.5-5.0 parts of dispersing agent and 0.1-0.3 part of antifoaming agent. According to the steel-structure super-thin intumescent fire-retardant coating, the technological process is simple, construction operation is convenient, total engineering cost is reduced, effective fire-retardant protection of a steel structure is achieved, and a decoration effect and a weather-resistant effect can be simultaneously achieved.

The invention discloses a fireproof paint for steel structures and a preparation method of the fireproof paint, and relates to the technical field of fireproof paint. The fireproof paint for steel structures is prepared from, by mass, 10%-20% of fluoropolymer emulsion, 5%-10% of organosilicone-modified polyacrylate emulsion, 8%-12% of ammonium polyphosphate, 13%-17% of melamine, 4%-6% of pentaerythritol, 20%-30% of matrix resin and 10%-30% of other auxiliaries. The invention further discloses a preparation method of the fireproof paint for steel structures. The preparation method includes the four process steps of material preparation, premix preparation, slurry preparation and paint preparation. The fireproof paint obtained through the method has the advantage of being capable of withstanding rapid temperature rising of fire, and the fire resistance limit can reach 90 min or longer; besides, the fireproof paint is simple in preparation process, low in cost and wide in application range.

The invention discloses an insulating flame-retardant bus duct, comprising a bus duct body; the bus duct body has a frame body structure formed by an upper cover plate, a bottom plate and side plates;fixed connecting plates are arranged at the upper ends and lower ends of the side plates; the fixed connecting plates, arranged at the upper ends and lower ends of the side plates, are respectively and fixedly connected with the upper cover plate and the bottom plate; heat emission holes are formed in the side plates; a fixed press plate is arranged at the lower end of the upper cover plate, andthe two sides of the fixed press plate are fixedly connected with the side plates at the corresponding ends by means of bolts; a refractory slab is arranged at the upper end of the press plate; the space between the refractory slab and the upper cover plate is filled with a refractory aluminum silicate cotton felt; a cavity is formed between the refractory slab and the fixed press plate; bus positioning slots are respectively formed in the fixed press plate and the bottom plate, and are separately provided with an insulation mounting pipe; a bus-bar is installed in each insulation mounting pipe. The insulating flame-retardant bus duct is simple in structure and good in heat dissipation effect, and has good insulation and flame retardant effects.

The invention discloses a fireproof system for a cable. The fireproof system for the cable comprises a hole plate, a cable hole and an extension plate, wherein the hole plate is used for clamp connection and plugging; the cable hole is formed in the hole plate; the extension plate is arranged at the outer side of the hole plate and is used for extending the hole plate; each of the hole plate and the extension plate comprises a first vermiculite plate layer, a second vermiculite plate layer, a keel layer and a third vermiculite plate layer which are sequentially arranged from outside to inside;the first vermiculite plate layer and the second vermiculite plate layer are fixed on the keel layer through screws; the third vermiculite plate layer is fixed on the keel layer through screws; and the hole plate is formed by splicing two plates with semicircular notches. The fireproof system for the cable has the advantages that through the design structural form of the hole plate and the extension plate, the clamp connection of the cable and the extension of a fireproof position are realized; meanwhile, the hole plate and the extension plate are made into a multi-layer combined structure; and through the reasonable arrangement of a multi-layer fireproof support structure, the integral heat insulation and fireproof function and the structural strength of the fireproof system are greatlyenhanced.

The invention discloses a fireproof coating for tunnels. The fireproof coating comprises the following raw materials in parts by weight: 5-70g of high-alumina cement, 5-70g of ordinary Portland cement, 1-10g of redispersible rubber powder, 9-32g of expanded perlite, 7-33g of expanded vermiculite, 5-15g of hollow beads, 15-35g of light calcium carbonate, 2-12g of bentonite, 2-9g of sepiolite, 1-10gof aluminum silicate fibers, 4-25g of a flame retardant smoke inhibitor, 2-15g of aluminum hydroxide, 3-10g of magnesium hydroxide and 2-10g of sodium tetraborate. According to the invention, throughnon-inflammability and low thermal conductivity of the material and heat absorption performance of the material in a coating layer, the heat rising speed of steel bars is delayed, fire resistance isimproved, the fire resistance limit is enhanced, and bonding strength between the coating and inner walls of the tunnels is enhanced. Fire prevention treatment is effectively carried out in the tunnel, loss caused by external fire is reduced, and repair cost is reduced.

The invention discloses a handle assembly for an air conditioner outdoor unit and the air conditioner outdoor unit with the handle assembly. The handle assembly comprises a handle and a fireproof plate. The fireproof plate is connected to the upper portion of the rear surface of the handle through at least two first buckle structures and at least one second buckle structure. The at least two first buckle structures are arranged on the left side and the right side of the fireproof plate. At least two second buckle structures and at least one of the first buckle structures are located outside a straight line formed by connecting at least two of the rest of buckle structures. The length, in vertical direction, of the fireproof plate is smaller than the length, in the vertical direction, of the handle. According to the handle assembly for the air conditioner outdoor unit, due to the fact that the fireproof plate and the handle are connected through at least three buckle structures which are not located on the same straight line, the assembly efficiency and the connection stability of the fireproof plate and the handle are effectively improved, and fireproof safety is improved. Besides, because the size of the fireproof plate is small, and therefore production cost is reduced.

The invention discloses a switch cabinet with a stable fireproof performance. The switch cabinet comprises a switch cabinet body, a buzzer and a warning lamp. The switch cabinet body is internally provided with a support track. According to the switch cabinet with the stable fireproof performance, by additionally arranging aerosol with a stable performance and a clean gas on two sides in the switch cabinet body, the detection temperature of the aerosol is 170 + / -10 DEG C, thereby achieving the effective fire-prevention function to the internal portion of the switch cabinet body, simultaneouslywrapping the secondary cable bridge at the internal portion of the switch cabinet body by a fire-proof material and playing the role of fire prevention, and through the adjustable air exhaust detection device, the adjustable air exhaust detection device can perform detection in different easy-heating contact ranges, thereby achieving the timely detection of the air temperature in the range, achieving the air current in the range and having the effectual fire-prevention effect at the internal portion of switch cabinet body.

The invention relates to a decorative plate. The decorative plate comprises a base plate, wherein a plurality of first through holes are formed in the side face of the base plate; a first fireproof layer, which is arranged on the top surface of the base plate; a second fireproof layer, which is arranged on the top surface of the first fireproof layer, wherein a first cavity is formed in the middleof the second fireproof layer, and a fire extinguishing material is arranged in the first cavity; a decorative layer, which is arranged on the top surface of the second fireproof layer; an infrared coating, which is arranged on the top surface of the decorative layer; a first foam metal sound absorption layer, which is arranged on the bottom surface of the substrate, wherein the top surface of the first foam metal sound absorption layer is provided with second through holes extending to the bottom surface; a silencing layer, which is arranged on the bottom surface of the first foam metal sound absorption layer; a second foam metal sound absorption layer, which is arranged on the bottom surface of the polyurethane foam silencing layer, wherein third through holes extending to the bottom surface of the second foam metal sound absorption layer are formed in the top surface of the second foam metal sound absorption layer; and a damp-proof layer, which is arranged on the bottom surface ofthe second foam metal sound absorption layer. The decorative plate has a good sound insulation effect and a fireproof function.

The invention discloses a switch cabinet with a stable fireproof performance. The switch cabinet comprises a switch cabinet body, a buzzer and a warning lamp. The switch cabinet body is internally provided with a support track. According to the switch cabinet with the stable fireproof performance, by additionally arranging aerosol with a stable performance and a clean gas on two sides in the switch cabinet body, the detection temperature of the aerosol is 170 + / -10 DEG C, thereby achieving the effective fire-prevention function to the internal portion of the switch cabinet body, simultaneouslywrapping the secondary cable bridge at the internal portion of the switch cabinet body by a fire-proof material and playing the role of fire prevention, and through the adjustable air exhaust detection device, the adjustable air exhaust detection device can perform detection in different easy-heating contact ranges, thereby achieving the timely detection of the air temperature in the range, achieving the air current in the range and having the effectual fire-prevention effect at the internal portion of switch cabinet body.

The invention discloses a packaging structure of exposed guide rails of a fireproof roller shutter door. The packaging structure comprises angle steel pieces, fireproof rock wool plates, vertical supporting columns, transverse supporting columns and fireproof rock wool layers. A wing panel on one side of each angle steel piece is used for being fixed to the corresponding guide rail of the shutter door. A wing panel on the other side of each angle steel piece is used for being fixed to a fireproof partition wall through an anchor bolt. One ends of the transverse supporting columns are vertically installed on the vertical supporting columns to form whole racks. The left side and the right side of the guide rails are each provided with one whole rack. The other ends of the transverse supporting columns of the whole supports are vertically installed on the fireproof partition wall so that the vertical supporting columns are vertically arranged and are parallel to the fireproof partition wall. The fireproof rock wool plates are fixed to the vertical supporting columns in a covering mode and flush with the exposed edges of the guide rails. The fireproof rock wool layers are arranged in gaps between the fireproof rock wool plates and the fireproof partition wall. The packaging structure can effectively package the exposed guide rails, has good fireproof sealing performance and has good application prospects.

A lithium battery production environment control AB door comprises a door A and a door B. The door A and the door B are of the same structure and are symmetrically installed on the two sides of an air return wall respectively. In the door A, a top sealing plate is installed on the top of the aluminum profile assembly part, side sealing plates are installed on the two sides of the aluminum profile assembly part, and a sealing plate is installed on the rear portion of the aluminum profile assembly part. A fixing support is installed at the bottom of the aluminum profile assembly part. A rapid multi-folding door mechanism is installed on the upper side of the front portion of the aluminum profile assembly part, and a rapid door is installed on the lower side of the front portion of the aluminum profile assembly part. Effective environment management and control in tray turnover can be effectively achieved, and the movable door is more stable in operation, low in noise and easy to control due to the adoption of the speed regulating motor. And when the folding door A is opened, the area of the folding door A is large, so that the effective space is also large, and the effective environment management and control in the transportation of overlapped trays or the line body layout with high tray height and low line body height are facilitated.

The invention relates to a fire safety protection system for an oil pipeline. The fire safety protection system comprises a receiving tank, the oil pipeline, a nitrogen pipeline and a fire pipeline, the oil pipeline is connected with the receiving tank, a receiving tank root valve and a boundary area secondary valve are arranged on the oil pipeline, the nitrogen pipeline is connected with the oilpipeline, a nitrogen supply valve is arranged on the nitrogen pipeline, the fire pipeline is connected with the oil pipeline, and a fire-fighting water supply valve is arranged on the fire pipeline. The nitrogen pipeline and the fire pipeline are connected to the oil pipeline, so that effective fire-fighting treatment can be performed on leakage points on the oil pipeline, and harm caused by oil product leakage is reduced.

The invention discloses a fire extinguishing system of a gas turbine. The fire extinguishing system comprises an anti-explosion air draft device, a steam fire extinguisher plant, an outdoor fire fighting water pipe fire extinguisher plant and a lightning ground protection device. The anti-explosion air draft device particularly comprises an anti-explosion exhaust fan and a combustible gas concentration alarm; the combustible gas concentration alarm is electrically connected with the anti-explosion exhaust fan; the steam fire extinguisher plant comprises a main steam pipe and a plurality of branch steam pipes communicated with the main steam pipe; the branch steam pipes are particularly jetting pipes comprising porous structures; the outdoor fire fighting water pipe fire extinguisher plant comprises a main water supply pipe and a plurality of fire extinguishing water hydrants communicated with the main water supply pipe; and the lightning ground protection device particularly comprises a lightning protection system and a grounding system. The fire extinguishing system of the gas turbine has a more clear fire prevention system framework, the fire prevention effect of the system is better, and the function is more complete.

The invention discloses an adjustable cutting device for paper packages and a using method of the adjustable cutting device. The adjustable cutting device comprises rack bodies, an unwinding driving motor, paper unwinding rollers, telescopic hydraulic rods and a generator driving motor. The unwinding driving motor is arranged between the rack bodies. A motor gearbox is mounted on one side of the unwinding driving motor. A roller fixing frame is arranged on one side of each rack body. The paper unwinding rollers are arranged on the outer sides of the roller fixing frames. A paper conveying beltis arranged above the rack bodies. A pushing hydraulic cylinder is mounted above the paper conveying belt. The adjustable cutting device for the paper packages and the using method of the adjustablecutting device have the beneficial effects that first, lasers are used for cutting paper, so that burrs on the cut paper are avoided, and the cutting effect is good; a laser cutting head is moved to cut different positions of the paper, and thus, using is convenient; second, positioning is accurate, and the problem of paper damage caused by inaccurate positioning is solved; and third, a water tankis arranged, so that the adjustable cutting device is effectively protected against fires.

The invention discloses a nano fireproof insulating thermal-insulating macromolecule material for a high-speed rail vehicle body. The material comprises a fireproof coating consisting of a matrix resin, a catalyst, a carbonization agent and a foaming agent, and further comprises the following material components: nano aluminum hydroxide, nano silicon dioxide, a plasticizer, a reinforcing fiber, anantioxidant, graphite and film formation aids. Due to addition of the nano aluminum hydroxide in the fireproof coating, the fireproof coating has good fireproof performance and is small in amount andlow in cost, the physical-chemical mechanical properties and the weather resistance can be greatly improved, when being combusted, a fireproof coating layer is expanded, a foaming layer is very highin density, then a uniform fireproof thermal-insulating layer is formed, and effective fireproof protection can be provided for the high-speed rail vehicle body.

The invention relates to an SF 6 sealing pot protective device for an electric high-pressure oil-filling mutual inductor. The SF 6 sealing pot protective device comprises the electric high-pressure oil-filling mutual inductor, the top of the electric high-pressure oil-filling mutual inductor is connected with a sealing pot, the side face of the sealing pot is provided with an air supplying pot, a ripple air supplying valve is arranged between the air supplying pot and the sealing pot, the middle of the upper surface of the sealing pot is provided with a pressure releasing valve, the upper surface of the sealing pot is provided with an air releasing valve, the air releasing valve is connected with a main pipe, the main pipe is connected with an SF 6 air bottle through a first branch pipe, the main pipe is connected with a vacuum pump through a second branch pipe, the first branch pipe is provided with an air adding valve, the joint of the first branch pipe and the SF 6 air bottle is provided with a pressure reducing valve, and the second branch pipe is provided with a vacuum valve. The contact between air and tidal air and an oil face inside the mutual inductor is separated, and the functions of fire proofing and fire fighting are achieved.

The invention relates to the field of roller shutter columns, and discloses a fire fighting roller shutter column for building decoration. The roller shutter column comprises a roller shutter column casing, wherein the roller shutter column casing is mounted on a wall body; a roller shutter is mounted on the roller shutter column casing; the interior of the roller shutter column casing is hollow;the two ends of the roller shutter column casing are opened; roller shutter column fixed seats are connected with the two ends of the roller shutter column casing; adhesive outlet through holes are formed in the roller shutter column fixed seats; a material storage bucket is arranged in the roller shutter column casing; the material storage bucket comprises a shrinking part at the upper part and afixed part at the lower part; the shrinking part adopts a high negative thermal expansion material which is shrunk by heat; the fixed part adopts a low thermal expansion material which is stable by heat; the interior of the material storage bucket is filled with a sealing adhesive; an adhesive outlet opening is further formed in the material storage bucket; a sealing plug is plugged to the interior of the adhesive outlet opening. The fire fighting roller shutter column has the advantages that the fixed seats are arranged on the two sides of the roller shutter, a plurality of adhesive storagegrooves are formed in the fixed seats, every two adhesive storage grooves are communicated with each other through a drainage cavity, a fire fighting function is enhanced, fire can be effectively insulated during fire spreading, and personnel and property loss is effectively reduced.

The invention discloses a fireproof material, relative fireproof template and fireproof plate made from the fireproof material, wherein the fireproof material comprises raw vermiculite, and mainly comprises following components as 1-40 parts of raw vermiculite, 50-90 parts of calcined vermiculite, 15-20 parts of adhesive, and at most 2 parts of graphite, the best embodiment of each component is that 10-20 parts of raw vermiculite, 60-80 parts of calcined vermiculite, 20 parts of adhesive, and at most 1 part of graphite. The fireproof template and fireproof plate are made by mixing and pressing the fireproof material. The invention utilizes the thermal expansion character of raw vermiculite, to replace expansion graphite, as one safe and effective fireproof material, with wide application for fireproof template, fireproof template, fireproof wall, and fireproof plate made from the fireproof material.

The invention provides a roof heat insulation system. The roof heat insulation system comprises a plurality of supporting legs, wherein the plurality of supporting legs are evenly distributed on a roof, a plurality of fiber cement boards are placed on the supporting legs, a wind shield is detachably arranged on the periphery of the system, one side of each of the fiber cement boards and the wind shield is coated with a reflective heat insulation coating, and the other side of each of the fiber cement boards and the wind shield is coated with a heat absorption heat insulation coating. The system has the advantages of light weight, high modularization degree, convenience in construction and installation and the like.

The invention relates to an SF 6 sealing pot protective device for an electric high-pressure oil-filling mutual inductor. The SF 6 sealing pot protective device comprises the electric high-pressure oil-filling mutual inductor, the top of the electric high-pressure oil-filling mutual inductor is connected with a sealing pot, the side face of the sealing pot is provided with an air supplying pot, a ripple air supplying valve is arranged between the air supplying pot and the sealing pot, the middle of the upper surface of the sealing pot is provided with a pressure releasing valve, the upper surface of the sealing pot is provided with an air releasing valve, the air releasing valve is connected with a main pipe, the main pipe is connected with an SF 6 air bottle through a first branch pipe, the main pipe is connected with a vacuum pump through a second branch pipe, the first branch pipe is provided with an air adding valve, the joint of the first branch pipe and the SF 6 air bottle is provided with a pressure reducing valve, and the second branch pipe is provided with a vacuum valve. The contact between air and tidal air and an oil face inside the mutual inductor is separated, and the functions of fire proofing and fire fighting are achieved.

The invention discloses a protection isolation wall for emergencies of thermal power plants. The protection isolation wall comprises a fixed frame and isolation wall bodies; the periphery of the lower surface of the fixed frame is fixedly connected with fixing inserting plates through bolts; and the positions, close to the top ends, of the middles of one sides of the fixing inserting plates are fixedly connected with supporting plates through bolts. Through guiding pipes arranged in the fixed frame and the fixing inserting plates, and water pumping pipes and dredge pipes arranged in the isolation wall bodies through water pumps, water suction pumps at the bottom ends of the fixing inserting plates can convey water body resources into the fixed frame and the isolation wall bodies to protect the solation wall bodies, and meanwhile the thermal power plants in the four solation wall bodies or equipment in the thermal power plants can further be subjected to fire extinguishing protection; and meanwhile, workers in the thermal power plants are wet when leaving and escaping through protection plates, thus convenience of the workers during escaping is effectively improved, then the escaping success coefficient is increased, and then the defects in the prior art are effectively made up.