55results about How to "Solve fire resistance" patented technology

This invention relates to production process of pucherite yellow ceramic pigment, which takes sodium silicate as raw material to coat silicon dioxide. It takes sodium silicate as silicon source, coat silicon dioxide on surface of pucherite. For the strong inertia of silicon dioxide, it be able to withstand 1000 deg high temperature, and keep bright-colored after annealing of 1000 deg. This invention can eliminate harm to human body and pollution to environment in the process of production, solve the problem of heavy metal content are overproof in the export ceramic product of our country.

A self-leveling cement mortar dry powder for insulated composite wallboard waterproof cover, and an insulated wallboard solve technical problem in a prior art that self-leveling cement mortar with weak waterproofness causes weak insulation effect of an insulated wallboard. A self-leveling cement mortar dry powder for insulated composite wallboard waterproof cover is employed as a technique. Ingredients of the self-leveling cement mortar dry powder comprise a compound impervious component; and the impervious component is prepared by mixing a redispersible high-molecular polymer and one of an organosilicon waterproof agent and a stearate, or a mixture of the two, and accounts for 0.6-4.3wt% of the self-leveling cement mortar dry powder. A special impervious ingredient is added to enhance compactness, microdilatancy and low dry shrinkage property of the cement based self-leveling mortar, so as to substantially increase waterproof function and endurance of the cement based self-leveling mortar. Therefore, a problem that a cladded super-light foaming cement sheet material loses insulation function due to water penetration and problems of flame resistance and endurance are solved fundamentally.

The invention relates to a sand-air impervious concrete masonry block adopting thin quartz sand, cement, lime and gypsum as main base materials and adopting aluminum powder as foaming agent; wherein, the sand-air impervious concrete block comprises a hydrophobic waterproof agent which occupies 0.02 to 0.40 percent of the total amount according to the weight percentage. The preparation method comprises the steps as follows: the components are mixed to form a mixture according to the formulation, and then the mixture is stirred, settled, cut and later maintained for 10 to 12 hours under high temperature of 180 to 200 DEG C and high pressure of 10 to 12 standard atmospheric pressures so as to obtain the sand-air impervious concrete masonry block. The invention has the advantage that a certain proportion impervious materials are added into the material of the masonry block so as to manufacture the masonry block provided with the impervious capability; after the masonry block is adopted as the single material for walling, then the block is provided impervious capability after walling by the block. The sand-air impervious concrete masonry block can be regarded as the novel walling material without adopting the waterproof material to reach the waterproof and impervious requirement.

The invention discloses an inorganic composite A-class non-combustible insulation board. The insulation board comprises an insulation core material layer. An interface reinforcement layer is arranged on the outer surface and the inner surface of the insulation core material layer respectively, and each of the interface reinforcement layers comprises an alkali resistant screen cloth layer on the inner layer and a polymer water-proof anti-crack mortar layer on the outer layer. Meanwhile, the ratio of components of the insulation core material layer and the polymer water-proof anti-crack mortar layer is disclosed. The invention further discloses a preparation method of the inorganic composite A-class non-combustible insulation board. The inorganic composite A-class non-combustible insulation board has the advantages that both excellent heat insulation performances and good fire-proof performances are provided. The insulation core material layer and the interface reinforcement layers form an organic whole, so that defects of poor water-proof performances and low surface strength of common inorganic insulation boards are overcome. The insulation board can be pasted through polymer mortar directly when being installed on the wall, tedious interface treatment is not required, construction operations are convenient and rapid, and the bonding between the insulation board and a wall base layer is safe and firm. The wire-proof performance reaches the A class, and the whole fire-proof performance of a wall insulation system is greatly improved.

The invention relates to a construction method of assisted layered installation for super-high PRC steel structure of partition board. At first, connectors of steel structure pedestal and transverse beam is installed on the structure; then the steel structure pillar is welded with the connector of steel structure pedestal. After PRC light compound partition board under the steel structure transverse beam is installed, the steel structure transverse beam is installed; then PRC light compound partition board above the steel structure transverse beam is installed. Groove is opened on the PRC light compound partition board along the board width direction and the groove of steel structure transverse beam is filled to level by cement filling mortar; PRC light compound partition board is installed so that the groove at the bottom of PRC light compound partition board is aligned to steel structure transverse beam and fixed with it. There are cement filling mortar between the top face of board and the structure. After PRC light compound partition board is installed, the board sews of PRC light compound partition board is sealed by building glue. The problem that super high wall is difficult to build is solved.

The invention discloses a novel steel structure building system comprising a steel pipe concrete column, a steel main beam, an auxiliary beam, a floor and a wall surface, wherein the floor is an assembled steel bar truss floor support plate, and the auxiliary beam is a precast concrete auxiliary beam; the wall surface is a CCA board and aerated concrete composite lath, the composite lath comprises an upper layer, a core layer and a lower layer, the upper layer and the lower layer are CCA boards, the core layer is an aerated concrete layer, the core layer is covered on the lower layer, and the upper layer is covered on the core layer. The novel steel structure building system disclosed by the invention is accurate in stress, simple in member connection, convenient and quick in construction, convenient for industrial production, beneficial for reducing the environmental pollution and improve the living environment, and good in economical efficiency.

The invention relates to an external wall fireproof heat preservation plate, which consists of a fiberglass gridding cloth and magnesia cement composite reinforced layer, a silicate cotton plate heat preservation layer and reinforcement isolation layers, and is characterized in that the fiberglass gridding cloth and magnesia cement composite reinforced layer is arranged outside the external wall fireproof heat preservation plate, and the silicate cotton plate heat preservation layer is filled inside the external wall fireproof heat preservation plate; and the reinforcement isolation layers are longitudinally and transversely staggered and uniformly distributed in the silicate cotton plate heat preservation layer. The reinforcement isolation layers are uniformly arranged or longitudinally and transversely staggered and uniformly arranged to form three forms of triangular uniform arrangement. The external wall fireproof heat preservation plates of different specifications, sizes and shapes can be manufactured by disposable template filling according to a requirement of a building; industrial production of building materials can be realized; the construction speed is greatly increased; the problems of short service life and low fireproof performance of the conventional external wall heat preservation material are solved; the production cost of the external heat preservation wall plate is greatly reduced; the external wall fireproof heat preservation plate is convenient to construct; and quality can be guaranteed.

The invention provides a building and ornament material and a preparation method thereof, and relates to the field of building and ornament materials. The building and ornament material is prepared from, by weight, 30-40 parts of waste plastics, 30-42 parts of coal ash, 15-25 parts of building stone materials, 5-15 parts of polyvinyl chloride resin, 2-8 parts of bamboo fiber, 11-15 parts of nanometer silicon carbide, 9-13 parts of aluminum oxide, 8-12 parts of glass fiber, 2-4 parts of water glass, 11-21 parts of kieselguhr, 9-13 parts of bentonite, 7-21 parts of bamboo charcoal, 0.4-0.8 part of fire retardant and 0.5-0.9 part of compatilizer. The preparation method comprises the steps of 1 weighing raw materials, 2 preparing plastic particles, 3 performing stirring and 4 performing heating and extrusion forming. The obtained building and ornament material has the advantages of being good in fire resistance, good in energy-saving and environment-friendly effect and low in cost.

The invention provides a fireproof moistureproof exterior wall thermal insulation material. The fireproof moistureproof exterior wall thermal insulation material comprises an ingredient A and an ingredient B. The ingredient A comprises, by weight, 30-60 parts of styrene acrylic foam resin, 10-30 parts of a thermal insulation material, 1-3 parts of a catalyst, 1-3 parts of tertiary amine, 1-4 parts of a foam stabilizer and 20-40 parts of a fire retardant. The ingredient B comprises, by weight, 30-60 parts of isocyanate. The fireproof moistureproof exterior wall thermal insulation material solves the problems of poor flame retardation and water resistance of the existing exterior wall thermal insulation material and has ideal fireproof and moistureproof effects.

The invention discloses a lightweight and sun-proof heat insulation board for decorating. The lightweight and sun-proof heat insulation board for decorating comprises a core material, and woven fabric surfaces which are arranged on two surfaces of the core material, wherein a polymer mortar layer is arranged on the outer surface of each woven fabric surface; the polymer mortar layers are prepared through the following mortar in parts by weight: 200 to 250 parts of cement, 500 to 550 parts of glass beads, 50 to 80 parts of heavy calcium carbonate powder, 20 to 30 parts of redispersible emulsion powder, 2 to 4 parts of water-retaining agent, 0.5 to 1 part of antifoaming agent, 1 to 2 parts of polypropylene fiber, 2 to 3 parts of water repellent, and 200 to 250 parts of water; the core material is a waterproof rock wool heat insulation board. The lightweight and sun-proof heat insulation board for decorating has the beneficial effects that the heat preservation and insulation performances are outstanding; the fireproofing performance is high; the woven fabric surfaces enable the impact resistance, the fireproofing and anti-penetrability performances and the cracking resistance of the core material, so that the defects that general inorganic heat insulation boards are poor in waterproofing performance and low in surface intensity can be overcome.

The invention discloses a pasture internet-of-things monitoring system powered up by wind electricity and an automatic water feeding device and belongs to the technical field of wind electricity clean energy. The pasture internet-of-things monitoring system powered up by wind electricity is formed in the mode that an iron tower-shaped base 2 is connected with a generator head 1, and the output power source of a generator is modulated by a control box 3 and then connected with a plurality of network cameras, wireless transponders and lamps or electric interaction pulse fences or automatic water feeding devices. The pasture internet-of-things monitoring system powered up by wind electricity is characterized in that a horn-shaped air inlet and a semilune sphere 10 are arranged in the base, air flow is made to rise spirally like tornado, the torque is continuously increased, wind wheels are pushed to rotate, and the electricity generation effect is improved. Power is supplied through wind electricity, the electric interaction pulse fences and the automatic water feeding devices are used for solving the problems that animals escape, water drinking is difficult and the animals are stolen, the pasture internet-of-things monitoring system powered up by wind electricity is suitable for a borderland, a confidential importance place, an institution, a farm, a villa and a garden, and a high wall is not needed; under the condition that the internet-of-things monitoring system and the electric interaction pulse fence with standby wind electricity or mains supply, a low-cost safe internet-of-things defense system which is powered by wind electricity and adopting computer remote automatic video monitoring can be established.

The invention discloses a fireproof liquid of composite fireproof glass and a preparation method thereof and a composite fireproof glass, relates to a field of safety glass, and solves the problems that a fireproof glue-line has micro bubbles and bad flame resistance. The main method of the invention is as follows: polyol, a functional monomer, deionized water and an auxiliary agent are mixed for obtaining a first mixed emulsion, silica is added, and a silica dispension emulsion is obtained; styrene, methyl methacrylate and butyl acrylate monomer are mixed, a second mixed monomer emulsion is obtained, a cross-linking agent, deionized water, the silica dispersion emulsion and an initiator are added, a soap-free seeded emulsion is obtained after reaction; acrylic acid, styrene, methyl methacrylate and butyl acrylate monomer are mixed, a third mixed monomer emulsion is obtained, deionized water, the initiator, the cross-linking agent and the soap-free seeded emulsion are added, and a soap-free emulsion with core-shell structure is obtained after reaction; a potassium hydroxide solution and an auxiliary agent are added, after mixing, standing and refiltering, an obtained filtrate is the fireproof liquid of composite fireproof glass. The fireproof liquid provided by the invention can be solidified into a fireproof glue, which has good fireproof performance without micro bubbles.

The invention provides a building material and a preparation method thereof and relates to the field of materials. The building material comprises nanometer titanium dioxide, bitumen, bauxite, tricalcium silicate, polypropylene resin, phenolic resin, quartz powder, fly ash, waste urethane foam plastic, nanometer silicon carbide, quartz glass fibers, expanded vitrified beads, zircon powder, activated carbon, diatomite, a compatibilizer, a light stabilizer, an antioxidant, a heat stabilizer and water. The preparation method comprises (1) raw material weighing, (2) heating, (3) stirring, (4) pressing forming and (5) drying. The building material solves the problem that the existing building material has defects in buildings having high requirements on environment protection, fire prevention, heat preservation, compression resistance, bending resistance and tensile resistance.

The invention discloses a combined type production line of a heat retaining non-dismantling formwork for a building. The combined type production line is characterized in that a stirring system is located above a movable feeding system and used for supplying materials to the movable feeding system; the movable feeding system comprises a machine frame, a rail, a movable feeding hopper and a transmission device, the machine frame spans above the combined production line, the movable feeding hopper sequentially supplies the materials to single production lines which are combined together, and thecombined production line is a combination of the production lines which are designed according to capacity requirements. Each single production line comprises a conveying belt mold forming system, abottom layer net paving device, a bottom layer pulp distributing device, a face layer net paving device, a vibration forming device and a face layer pulp distributing device. A gel material conveyingsystem communicates with a raw material bin and the bottom layer pulp distributing device and the face layer pulp distributing device of the single production line. The combined type production line solves the problem that the equipment investment is too large, and solves the problems that the fireproof performance of products is poor, the strength is insufficient, the maintenance time of the products is too long, the maintenance equipment investment is large, and the occupied maintenance filed is large.

The invention relates to production equipment for polyoxyethylene products and a preparation method thereof. The equipment comprises a polymerization reaction kettle, integrated equipment, a finished product mixing kettle, a solvent recycling tank, a distillation kettle, a hexane storage tank and an unqualified hexane storage tank. The production process of the polyoxyethylene products comprises the steps that ring opening polymerization is performed on ethylene oxidein C6 or C7 solvent through the action of a catalyst, exothermic reaction is performed at a certain temperature and under certain pressure, and the requirements of product specifications are achieved through the growth of polymeric chains; after the reaction is finished, the products are processed through the integrated equipment with the functions of filtering, drying and washing, and then packaging is performed. According to the production equipment for the polyoxyethylene products and the preparation method thereof, the partial implosion phenomenon caused by the reaction is avoided, the volume of the reaction kettle is successfully enlarged to 6000 litres, the production scale of a PEO device is enlarged, and the stability of the product quality is improved; the method solves the problems of solvent dehydrating and solvent recycling and reusing.

The invention discloses a cutting type insulation fire-proofing decorative plate and a processing technology thereof. The processing technology thereof comprise the following steps that (1), a base material selection is carried out; (2), a base material preprocessing is carried out; (3), a primer roll painting or spray painting is carried out; (4), a transfer or printing process is carried out, the transfer or printing process is carried out on the base material after the roll painting or spray painting of the primer, and the simulated design and color is transferred or printed on the base material and the design is solidified; and (5) a post-treatment process is carried out, the base material is carried out shower coating and film coating treatment, and the whole process flow of the cutting type insulation fire-proofing decorative plate is completed. Using diatomite with a series of excellent properties, such as light weight, soft, porous, sound insulation, heat resistance, acid resistance, large specific surface area and stable chemical properties, a composite decorative plate of diatomite has the advantages of low conductivity to sound, heat and electricity, zero formaldehyde, waterproof and flame resistance and the like. At the same time, the cutting type insulation fire-proofing decorative plate and the processing technology thereof have the processing characteristics of nailing, sawing and planing, can be widely used in domestic indoor and outdoor decoration.

The invention discloses a method for user service authentication in three-network integration. The method comprises a client and an authentication interface server, wherein the client can be operated on a digital set top box and is used for transmitting and parsing an XML (Extensive Makeup Language) request; the authentication interface server is used for user service authentication; the client transmits the XML data of the user request through https based on the Java language, is deployed on a web and Java application server, can be operated on various platforms, and can solve the problem of limits of a firewall to external access well as the https is utilized for data transmission; and the authentication interface server is used for providing different authentication interfaces and verifying whether the user request is legal, and for the legal request, the authentication interface server inquires a database to check whether the user has the authority and feeds back corresponding feedback codes and feedback information. With the adoption of the method, the user service is authenticated on the digital set top box.

The invention discloses a fire-proof plugging device for a curtain wall interlayer and a mounting method of the fire-proof plugging device. The fire-proof plugging device is mounted between adjacent upper and lower layers of curtain walls. The device comprises a galvanization connecting box internally provided with a cavity, and fire-proof rock wool arranged in the galvanization connecting box. Afirst flange and a second flange are respectively arranged on two sides of the upper end of the galvanization connecting box. The first flange is fixedly connected with a building main body. The second flange is fixedly connected with curtain wall horizontal keel. The curtain wall without fire-proof sealing can be remedied. Materials are greatly saved, and the cost is reduced.

The invention discloses a processing technology of an environment-friendly microlite building decoration plate. The processing technology includes the following steps that firstly, a base material selecting process is conducted, wherein a high-fidelity fireproof base material is selected, performance detection is conducted, and a base material conforming to the decoration plate GB8624-2006 standard is selected; secondly, a base material preprocessing process is conducted, wherein the selected base material is preprocessed, and the surface of the base material is flat, smooth and compact; thirdly, a priming paint roll painting or spraying process is conducted, priming paint roll painting or spraying is conducted on the surface of the preprocessed base material, a transition layer is formed,and a linking effect between the base material and finish paint is achieved; fourthly, a transfer printing or printing process is conducted, the transfer printing or printing process is conducted onthe base material obtained after priming paint rolling painting or spraying, transfer printing or printing of simulation designs is conducted on the base material, and curing sizing is conducted; andfifthly, a postprocessing process is conducted, showering coating and laminating treatment are conducted on the base material, and the whole environment-friendly microlite building decoration plate processing technology process is completed. By means of the processing technology, a series of good characteristics of being light in body, soft in texture, porous, capable of insulating sound, resistant to heat, resistant to acid, large in specific area, stable in chemical property and the like of kieselguhr are utilized, a produced kieselguhr composite decoration plate has the beneficial effects that conductivity to sounds, heat and electricity is low, no formaldehyde exists, and water resistance and flame retardance are achieved; and meanwhile, the processing characteristics that nailing, sawing and planing can be conducted are achieved, and the processing technology can be widely used for household indoor and outdoor decoration.

The invention discloses a single-core DC shielding waterproof, fireproof, mouse-proof and ant-proof power flexible cable comprising a wrapping tape, an insulating layer, a shielding layer, a waterproof layer, a fireproof belt, an oxygen isolating material and an outer sheath that are successively arranged on the outer side of a conductor from the inside to the outside. The outer sheath contains 18% to 30% of EVA, 6% to 10% of LLDPE, 5% to 10% of POE, 3% to 6% of composite flame retardant, 22% to 30% of aluminum hydroxide, 22% to 30% of magnesium hydroxide, 0.3% to 0.6% of antioxidant-1, 0.2% to 0.5% of antioxidant-2, 2.0% to 5.0% of compatilizer, 0.5% to 0.8% of processing agent, 0.5% to 1.0% of UV absorber, 0.5% to 1.2% of silane coupling agent, 0.3% to 1.0% of M-17 environment-friendly mouse-proof agent, 0.3% to 0.8% of S-07 environment-friendly ant-proof agent, and 0.5%to 1.0% of essence. The single-core DC shielding waterproof, fireproof, mouse-proof and ant-proof power flexible cable solves a problem that a conventional cable is poor in waterproof, fireproof, mouse-proof and ant-proof effect, greatly reduces the possibility of cable failure, and provides stable guarantee for power and signal transmission and vehicle operation.

The invention relates to the technical field of wires and cables, in particular to a fireproof and damp-proof subway cable. The fireproof and damp-proof subway cable comprises a plurality of cable cores. An insulating layer, a shielding layer, a protective layer and a fireproof layer are sequentially arranged on the outer side of each cable core, the cable core is arranged in a fire insulation bracket, the fire insulation bracket is fixed on a water blocking layer, a damp-proof layer, a flame-retardant layer, an elastic isolation layer and a wear-resistant layer are sequentially coated outsidethe water blocking layer, and the fire insulation bracket divides all cable cores into independent cavities respectively. In order to overcome defects, the invention provides the fireproof and damp-proof subway cable with reliable performance, problems of poor fireproof and damp-proof performance of the existing subway cable are solved, and the cable is good in strength and not easy to damage.

The invention relates to an aerobic and anaerobic serial pretreatment method for corn straw microorganisms. The method comprises the following steps: cleaning harvested fresh corn straw, chopping and adjusting the humidity; filling into a special airtight facility and compacting; covering with a plastic film for treating for about 30 days; performing aerobic and anaerobic combined pretreatment on the straw by using oxygen and florae carried by the straw, wherein the treated straw is applied to biogas fermentation. The method belongs to the field of waste recycling. The harvested corn straw is directly smashed, sealed and filled, so that fire resistance, rain prevention and mold prevention of marsh gas engineering raw materials are realized during storage and the problems of large occupation area and high potential safety hazard due to direct storage are solved; microorganism aerobic and anaerobic serial pretreatment is performed automatically in the sealed facility by using the air and oxygen and florae carried by the corn straw, so that the problems of high pretreatment cost and complexity in operation are solved; compared with untreated straw, the anaerobic digestion biogas production rate of the corn straw treated by using the method is increased by 20 percent, and the gas production rate is increased by 15 percent.

The invention provides a wall material and a preparation method thereof, which relates to the field of a building material. The wall material comprises the following raw materials in parts by weight: 60-80 parts of coated expanded perlite, 30-100 parts of floating beads, 20-30 parts of vermiculite, 22-34 parts of calcium silicate, 30-40 parts of foam cement, 15-25 parts of adhesive polystyrene granules, 5-7 parts of an inorganic adhesive, 17-23 parts of sponge rubber, 15-27 parts of quartz sand, 8-10 parts of gas slag powder, 10-15 parts of an osmotic agent, 0.3-0.5 parts of a water reducer, 3-15 parts of a water repellent, 3-15 parts of an exciting agent, and 4-6 parts of water. The preparation method comprises the following steps: 1) weighing the raw materials; 2) roasting vermiculite; 3) crushing the foam cement,; 4) stirring the materials; 5) moulding and demoulding the material, piling and performing maintenance on the product. The wall material solves the problems of insufficiency of buildings with high requirements on sound insulation, tensile strength, and thermal insulation performance of the current wall materials.

The invention provides a remote control system used for material sorting equipment. The remote control system comprises at least one material sorting equipment, a local area network control terminal, an internet control terminal, a data service center and a VPN (virtual private network) server, wherein the material sorting equipment and the local area network control terminal are arranged on a client site, the internet control terminal, the data service center and the VPN server are arranged at an after-sale service center, and each of the local area network control terminal and the internet control terminal comprises a PC (personal computer) and a mobile terminal. The local area network control terminal and the material sorting equipment form a local area network and access to the internet via a gateway and a firewall, and the internet control terminal, the data service center and the VPN server access to the internet. The remote control system has the advantages that networking and multi-terminal control of the material sorting equipment in the local area network are realized, no delay in network operation is guaranteed by the aid of the VNC (virtual network computer) technology, NAT (network address translation) traversal is realized while safety and high efficiency of transmission on the internet are guaranteed by the aid of the VPN technology, processing capacity of an entire production line is improved, and maximization of the overall task performance of all the material sorting equipment is guaranteed.

The invention discloses a protection joint of a steel beam on an outer wall of a fabricated steel structure building. A prefabricated concrete U-shaped plate opens upwards, a steel bar is buried in the prefabricated concrete U-shaped plate, and the steel bar upwards penetrates out of the prefabricated concrete U-shaped plate and then stretches into a concrete floor in a buried mode. The H-shaped steel beam is mounted in the middle of the prefabricated concrete U-shaped plate, and studs are fixed to top surfaces of upper flanges of the H-shaped steel beam and stretch into the concrete floor ina buried mode. A steel beam web hole is formed in the middle of a web of the H-shaped steel beam, prefabricated U-shaped plate holes are formed in the middles of side walls of two sides of the U shapeof the prefabricated concrete U-shaped plate correspondingly, and split bolts horizontally penetrate through the steel beam web hole and the prefabricated U-shaped plate holes and then are connectedwith nuts in a threaded mode. The protection joint is simple and complete in structure, convenient and fast to construct and high in standard degree, effectively fireproof and waterproof protection onthe steel beam can be achieved, connection with outer wall filling materials is reliable, the quality is stable, and the protection joint can be widely applied to protection modification of H-shapedsteel beams on outer walls of fabricated steel structure buildings.

The invention provides an energy-saving and environment-friendly building decoration material and a preparation method thereof and relates to the field of building materials. The energy-saving and environment-friendly building decoration material comprises waste plastic, slag powder, stone powder, polyvinyl chloride resin, glass fibers, bamboo fibers, nanometer silicon carbide, zirconium oxide, ceramic fibers, graphite, airgel, water glass, diatomite, attapulgite, activated carbon powder, a flame retardant and a compatibilizer according to a weight part ratio. The preparation method comprises (1) raw material weighing, (2) plastic granule preparation, (3) stirring and (4) heating and extrusion forming. The building decoration material has the advantages of good fire resistance, good energy saving and environmental protection effect and low cost.

The invention discloses a method for combining water atomization and oil emulsion used for turbine oil fire-extinguishing and a device thereof; the liquid outlet of a liquid storage tank is connected to a liquid inlet of an injecting sucker through a tube with a valve; the liquid inlet of an injecting sucker is connected to a fire water source through a tube with a valve; and the mixture outlet of the injecting sucker is connected to a nozzle through a tube. The invention applies injecting sucker to mix oil emulsion with fire water by water power and then to inject the mixture to the viscosity oil surface with fire through the nozzle, when burning hot oil encounter with oil emulsifier, the oil is emulsified into the oil emulsion soon, so that the temperatures of flash point and ignition point are significantly increased; under cooling due to heat absorbing by atomization water, the temperatures cannot achieve the degree of burning, so that the oil fire is extinguished quickly. The fire-extinguishing principle is novel and scientific, and the fire-extinguishing result is satisfactory; the device can be operated away from fire in order to reduce staff injuries because of the long shooting range. Thus, the invention can solve the difficult problems of fire prevention and fire fighting of the power turbine fuel supply system.

The invention discloses a novel platform shield door frame with fire resistance, heat insulation, and sound insulation functions. The novel platform shield door frame with the fire resistance, heat insulation, and sound insulation functions comprises a stainless steel frame, a bridge cutoff treatment member, a fire resistance and heat insulation material, a refractory rubber, a laminated temperedglass, a stainless steel countersunk head screw, and a stainless steel bead; the stainless steel frame comprises frame bodies on the two sides of the inside and the outside a door body, and the bridgecutoff treatment member is embedded between the frame bodies on the two sides of the inside and the outside; the stainless steel frame is filled with the fire resistance and heat insulation material;the stainless steel bead is connected with the stainless steel frame by the stainless steel countersunk head screw; and the laminated tempered glass is embedded in a frame system in a shape like theChinese character 'men' formed by the stainless steel bead and the stainless steel frame, and the refractory rubber is filled between the stainless steel frame and the laminated tempered glass. According to the novel platform shield door frame with the fire resistance, heat insulation, and sound insulation functions, energy-saving requirements such as fire resistance, heat insulation, and sound insulation which are not considered in the ordinary platform shield door are solved; and when fire occurs in a train, life safety and property safety of passengers waiting in a station are ensured, andbroad application prospects are achieved.

The invention discloses an all-insulation pouring tubular bus, which relates to the technical field of power equipment and comprises a conductor, a shielding insulating layer coated outside the conductor and an insulating shell coated outside the shielding insulating layer, and a through hole penetrating through the conductor is formed in the conductor along the axis of the conductor. The invention further discloses a preparation method of the all-insulation pouring tubular bus. The insulating shell is formed by pouring various volcanic rock minerals and resin, so that the problems of poor fire resistance, corrosion resistance and aging resistance of an existing insulating material are effectively solved, and the service life of the bus is effectively prolonged.

The invention provides an assembled wall assembled on the side of a main building structure in a held manner, relates to assembled walls of buildings, and aims to solve the problems that a frame-structure wall has a large amount of thermal bridges, joints are prone to cracking, force bearing capability is low, and energy save and housing industrialization are affected. The assembled wall structurally comprises a main building structure and prefabricated wall boards arranged on the outer side of the main building structure. A concrete board of the main building structure holds the prefabricated wall boards which are connected to the outer side of the main building structure. The joints of the prefabricated wall boards are adhered through elastic sealing adhesive with or without the effect of transmitting the internal force, one kind of the elastic sealing adhesive can be selected or different structures can be selected in different positions. The assembled wall assembled on the side of the main building structure in the held manner is obtained. Energy-saving and heat-insulating effects are improved greatly, assembling speed is high, durability is high, and housing industrialization can be developed.