51results about How to "Achieve fire resistance" patented technology

The invention discloses an ultra-microporous lightweight insulated firebrick and a manufacture method thereof. The ultra-microporous lightweight insulated firebrick is prepared by the following raw materials in percentage by weight: powder mainly comprising 50-70 Al2O3 and SiO2, 5-10 expanding agent, 25-40 caking agent and 0.2-1.0 external foaming agent. The manufacture method comprises the following steps: uniformly mixing and stirring the raw materials into pasty material; mixing the foaming agent and water according to a ratio of 1: (15-20); adding the mixture to the pasty material to mix uniformly; then, casting into brick blanks; and drying and keeping the brick blanks at a temperature of 1200-1600 DEG C for 6-8 hours. The firebrick has the advantages of high compressive strength, low coefficient of heat conductivity and low linear change ratio and can be directly used for a fireproof coating of thermal equipment so that the product has the lightweight insulation and fireproofness functions and good insulation effect and is beneficial to energy saving and environmental protection. Compared with the prior art, the invention has obvious economic benefits.

A water proof floor is made by dipping 1-3 pieces of anti wearing paper and decorative paper into melamine and dried, applying 2MPa-10MPa pressure with the heating press with these two kinds of paper stacked, in the temperature of 185deg.C-230deg.C, keeping the pressure for 25-60s and cooling naturally to form into the panel, roughening the upper surface of the wood slab or free wax fiber slab to form into uneven surface, applying adhesive agent on the upper surface of the slab, one side of the decorative paper of the panel attached on the up surface of the slab, applying 15MPa-45MPa pressure in normal temperature for 15-60 minutes, sticking the panel to the slab to make a big plate, cutting the big plate to the required strip, having key way vertically and horizontally to make the final product. The floor is not only anti wearing, and water proof, it is also being anti shock, fire resistant, anti erosion, and environment protective in nature.

The invention discloses a light high-alumina insulating firebrick and a preparation method thereof used for insulating layers of thermal equipment. The firebrick comprises the raw materials in percent by weight: 40% to 60% of high-alumina bauxite clinker and 40% to 60% of binder, polymeric light ball and sawdust respectively account 0.5% to 1.5% and10% to 15% of the total weight of the high-alumina bauxite clinker and the binder and are also added. The preparation method comprises the steps of: mixing the high-alumina bauxite clinker with the binder; then adding the polymeric light ball and the sawdust; adding water with the proportion of the dry mixed powder and the water of 1.0 to 1.75: 1; stirring into slurry-shaped materials; casting into brick blanks; drying; filling into a kiln; heating to 1270 DEG C to 1350 DEG C; and keeping the temperature for preparing the firebrick by burning. The firebrick has the advantages of simple formulation, easy acquirement of the raw materials, good compatibility, high compressive strength, low thermal conductivity, low change rate of high-temperature heavy firing line and the like, and achieves the national standards of relative products. The firebrick has simple preparation method and lower cost, can be used for the insulating layers and fireproof layers of all kinds of thermal equipment, and is beneficial to popularization and application.

The invention provides a magnesium oxychloride and magnesium oxysulfate compound cement foam fire door core board and a preparation method thereof. The core board comprises the following raw materials: magnesium oxide, an anhydrous magnesium chloride solution, a magnesium sulfate solution, desulfurization gypsum, superfine carbon fiber, superfine micro-silica, a cationic polyacrylamide solution, ferrous sulfate and an efficient foaming agent, between which the ratio is 100:60:66.6:2:0.8:0.5:0.5:0.5:0.5. The method comprises the following steps: uniformly mixing the anhydrous magnesium chloride solution and the magnesium sulfate solution, adding the anhydrous magnesium chloride solution and the magnesium sulfate solution into a stirring machine, adding the cationic polyacrylamide solution and a ferrous sulfate solution into the stirring machine, and adding superfine carbon fiber, lightly calcined magnesium oxide, desulfurization gypsum, superfine microsilica and a foaming solution in sequence while performing stirring; pushing a stack of moulds, in which foaming slurry is poured, into a curing stove, curing the moulds for 8-10h, and then performing demoulding; and after demoulding, performing moisture preservation and temperature control curing and water control curing respectively until the moisture content is less than or equal to 10%. The core board provided by the invention is environmentally friendly and light, has high-strength and favorable high temperature resistance and meets the national requirements for fire prevention and safety.

The invention relates to a high-strength and high-aluminum light heat-insulation and fire-resistant brick, which is used in a heat-insulation layer in thermal equipment, and a production method thereof. The fire-resistant brick includes following basic raw materials: 30-35% of a high-aluminum alumina clinker, 10-20% of an expansion agent and 45-55% of a bonding agent and additionally includes 0.1-0.15% of engineering fibers and 0.15-0.2% of a water reducer on the basis of the total amount of the basic raw materials above. In addition, each ton of the basic raw materials is added with 0.7-2.0 m<3> of expandable polystyrene spheres. The bonding agent is kaolin or high-aluminum alumina cement and is 200-320 meshes in granularity. The production method includes the steps of stirring the raw materials to form a sludge material, preparing the sludge material into green bricks, drying the green bricks, and sintering the green bricks at 1350-1400 DEG C with heat insulation. The fire-resistant brick is high in pressure resistance strength, is low in heat conductivity and is low in change rate of a high temperature reburning curve. The normal-temperature pressure resistance strength of the fire-resistant brick is higher than that of a common fire-resistant brick by more than two times. The fire-resistant brick can be used in a heat insulation layer and a fireproof layer in all thermal equipment, achieves both energy-saving and fireproofing effects and is beneficial to popularization.

The invention discloses a high-temperature-resistant high-strength fireproof door panel. The high-temperature-resistant high-strength fireproof door panel comprises the following raw materials in parts by weight: 50-80 parts of foaming agent, 30-40 parts of perlite powder, 20-30 parts of ore filler, 10-14 parts of magnesium sulfate, 14-18 parts of magnesium oxide, 3-5 parts of expansible graphite, 4-6 parts of zinc borate, 8-12 parts of calcium hydroxide, 25-35 parts of adhesive, 10-16 parts of desulfurized gypsum, 4-6 parts of boron oxide, 15-25 parts of reinforced fibers and 10-14 parts of anti-cracking fibers. The fireproof door panel disclosed by the invention has relatively good high temperature resistance and waterproof performance, is relatively strong in heat insulation and fire smoke resistance, is relatively good in mechanical performance indexes such as pressing resistance and bending resistance, is green and environmentally friendly, is light and is high in strength, and achieves the requirements of fireproof combustion and safety; and meanwhile, raw material components are safe and reliable, are harmless on environment, and are easily available, the cost is relatively low, the process is simple and clear, operation is easy and industrial production is easily realized, a practical value is higher and the application prospect is good.

The invention relates to a method for preventing gas from being accumulated at corners on coal faces. A process tunnel is added on the basis of an original 'U'-shaped mining gateway, and is placed at the top of a coal seam, and is close to the inner side of a return airway and parallel to the return airway and an intake airway, and the intake airway is respectively communicated with the return airway and the process tunnel via working surfaces so as to form two 'U'-shaped ventilating channels; and the process tunnel not only can realize total negative-pressure ventilation, but also realizes local fan ventilation. A drill site is further arranged in the process tunnel, gas is extracted, and water or stopping liquid is injected into the coal seam. The process tunnel is added on the basis of the original 'U'-shaped mining gateway to form the double 'U'-shaped ventilating channels, return air of the original return airway is divided, and accumulation of gas at corners on a return air area is avoided; and the drill site further can be arranged in the process tunnel to extract gas of the coal seam, an adjacent layer and a worked-out section, or the water or stopping liquid is injected into the coal seam, the purposes of dust fall and fire prevention are achieved, and production is not affected.

The invention provides a process for preparing decoration plates with concave-convex surfaces, which belongs to the technical field of materials. The invention resolves the problems that the surfaces of the existing sheets are not concave-convex, the exited cubic effect is not strong and the graceful property is poor. The process for preparing the decoration plates with concave-convex surfaces includes the steps of A gumming, B drying and C compressing, wherein the step of gumming comprises firstly selecting decoration sheets, then transferring the decoration sheets by a transferring machine and sinking the decoration sheets in hot-curing resin, enabling the right surfaces and back surfaces of the decoration sheets to be immerged in the hot-curing resin. The step of drying is realized by immerging the decoration sheets in a baking box to be precisely dried, wherein the drying temperature is 50 DEG C to 100 DEG C. In the step of compressing, flat distributing the precisely dried decoration sheets on a wood plate and compressing under a press through being transferred by the transferring machine at high temperature. Wood sheets produced by the process for preparing decoration plates with concave-convex surfaces has the advantages of fire resistance, moisture prevention, wear resistance, mar-proof property, high cubic effect and sound graceful property.

The invention discloses an architectural heating intelligent control system which mainly uses infrared ray, microwave detecting technology, and humidity, temperature, illumination detecting technology, timing technology, telephone long-range control technology to control heating load and wiring of heating system automatically, especially can be used to heating control and wiring control in several kinds of architecture, the system can achieve to turn on or turn off central heating and wiring according to people coming or going, so a lot of energy can be saved, at the same time, can avoid fire because of forgetting turning off wiring, and can bugging, the intelligent heating and wiring control can provide a safe and comfort resident and operating circumstance to people.

The invention discloses a bus duct with a fireproof alarming function. The bus duct comprises a first bus duct, a second bus duct is connectedly inserted into the first bus duct, first flame-retardantpartition plates are fixedly connected in the first bus duct, lateral sides of the first flame-retardant partition plates are provided with first through holes, first mica wrapping straps are arranged in first heat shrink tubes which are connectedly inserted into the first through holes, first conductors are arranged in the first mica wrapping straps, and two ends of each first conductor are fixedly connected with first connectors respectively. Second flame-retardant partition plates are fixedly connected in the second bus duct, and lateral sides of the second flame-retardant partition platesare provided with second through holes. By the first flame-retardant partition plates and the second flame-retardant partition plates, the four first conductors and four second conductors are separated, fire spreading to other conductors due to ignition of one conductor in short circuit is avoided, and accordingly fire control is realized, and fire spreading is further prevented.

The present invention discloses a container and a fire-proof layer fabrication method thereof. The container includes a box body containing metal plates; computing equipment, set in the box body; and a fire-proof layer, formed on the metal plates. By forming the fire-proof layer on box body, the fire-proof layer forms a uniform compact cavernous expanded thermal insulation layer immediately when encountering fire, and prevents flame from spreading effectively, thereby accomplishing the purpose of fire-proof and flame-proof and reducing toxic smoke which generated by the flame combusting. Therefore, the invention solves the technical matters of poor fire-proof, combustion, serious security risk in box body the container in the prior art, thereby accomplishes box body fire-proofing of container, and improves the technical effects in safety of the box body of container.

The invention discloses a high-flame-retardance fireproof cable made of inorganic materials. The high-flame-retardance fireproof cable comprises a plurality of wire cables, a fire-resistant layer made of inorganic materials and a flame-retardant jacket. The fire-resistant layer made of the inorganic materials is extruded on the wire cables; the flame-retardant jacket is sleeved on the fire-resistant layer made of the inorganic materials; each wire cable consists of a copper conductor and a vitrified silicon rubber insulating layer extruded on the copper conductor; and a filling layer is filled in the fire-resistant layer made of the inorganic materials. The high-flame-retardance fireproof cable is characterized in that the fire-resistant layer made of the inorganic materials comprises, by weight, 85% of magnesium hydroxide, 6% of serpentine powder, 4% of magnesium calcium carbonate, 3% of sodium silicate and 2% of chlorinated paraffin which are squeezed to form the fire-resistant layer made of the inorganic materials. The insulating layer is made of vitrified silicon rubber, and because the insulating layer has high fire resistance and the vitrified silicon rubber is vitrified at a high temperature, the insulating performance of the cable is guaranteed during spontaneous combustion of the cable and external fire disasters. Besides, as the fire-resistant layer made of the inorganic materials is totally made of the inorganic materials by cold stirring and extruding, the materials cannot be combusted during the fire disasters, and flame-retardant and fireproofing effects can be achieved effectively.

The invention discloses an environment-friendly fiberboard and a preparation method thereof. The environment-friendly fiberboard is of a combined felty structure formed by natural fiber and polypropylene synthesis fiber and prepared by adopting the slab steel mold hot-press molding technology; due to the prepared environment-friendly fiberboard, on one hand, due to the fiber and polypropylene fiber materials, the thermoplastic technology is utilized, no formaldehyde or other harmful substances are contained absolutely, and the formaldehyde-free environment-friendly grade is truly obtained; onthe other hand, due to the fact that refractory fiber, waterproof membranes and the like can be composited on the surface, and various materials are composited on the surface, the environment-friendlyfiberboard can achieve the fireproof or dampproof effects correspondingly according to different using environments, and the fiberboard is solid and high in deformity resistance; in addition, according to different requirements of the user, the length and the thickness of the environment-friendly fiberboard can be correspondingly adjusted, and the practicability is improved.

The invention discloses a production process of an A-level fireproof integrated wall face decorating plate. The production process comprises the following steps that A, corresponding gypsum and plantfibers are prepared and dumped into a stirring machine to be stirred to be uniform; B, a dimension plate is formed through high-temperature processing extrusion of a shaping mold, then cooling is carried out, and then a grinding machine is used for carrying out grinding dust removal on the front face and the back face of the integrated plate; C, the integrated plate is coated with waterproof paintthrough a machine spraying technology, and waterproof treatment is carried out; D, glue is subjected to high-temperature offline film coating through a machine thermosol technology; and E, a groovingmachine is utilized for grooving the two sides of the plate in a buckle type. According to the production process of the A-level fireproof integrated wall face decorating plate, the gypsum and plantfibers are adopted as main materials, waterproof treatment and the high-temperature film coating technology are carried out on the surface, and the product can reach the waterproof, dampproof and A-level fireproof standards at the same time.

The invention provides a fire-fighting device, a box body assembly, a battery, an electric device and a method for preparing the battery, and relates to the technical field of battery safety. The fireprotection device comprises a pipeline, a gas release mechanism and a blocking structure, wherein the pipeline is provided with a gas inlet end and a gas exhaust end, and the gas inlet end is used for being connected with a box body of the battery, so the combustible gas generated during thermal runaway of the battery can enter the pipeline from the box body through the gas inlet end and is exhausted out of the pipeline through the gas exhaust end; the gas release mechanism is used for being connected with a pipeline, and the gas release mechanism is configured to release fire-fighting gas into the pipeline when the battery is in thermal runaway; the pipeline is internally provided with a blocking structure, and the blocking structure is used for blocking combustible gas and fire-fightinggas and changing the flowing direction, so the combustible gas and the fire-fighting gas can be mixed before being discharged out of the pipeline. The fire protection device provided by the inventioncan reduce the risk of generating open fire during thermal runaway of the battery, and can inhibit spreading of the thermal runaway of the battery.

The invention discloses a pipe end type burning-resistant flame arrester which comprises a shell assembly. A flame arresting grid is fixedly connected to the upper portion in the shell assembly through a bracket, a rainproof cap is connected to the top of the shell assembly through a springback assembly, a guide plate is fixedly connected to the inner wall of the shell assembly, a flame arresting net is fixedly connected between the two sides of the inner wall of the shell assembly and located below the flame arresting grid, and a connecting assembly is arranged between the rainproof cap and the bracket. The invention relates to the technical field of flame arresters. According to the pipe end type burning-resistant flame arrester, a guide plate can play a role in guiding flames, so that the flames can quickly reach the positions of the flame arresting net and the flame arresting grid, the flames are quickly extinguished, the tempering phenomenon is reduced, the flame arrester combination effect is better, the practicability is better, and under the fire working condition, the area temperature of the rainproof cap rises, a fusible column is fused, at the moment, the rainproof cap is bounced off under the action of double torsional springs, so that temperature is prevented from continuously accumulating, and burning resistance is achieved.

The invention discloses a non-combustible rock wool composite thermal-insulating board for buildings. The non-combustible rock wool composite thermal-insulating board comprises a base board, wherein the base board is a rock wool board, the front side and the back side of the rock wool board are coated with first bonding glue layers, the first bonding glue layers bond with gridding cloth, the gridding cloth is coated with second bonding glue layers, and the first bonding glue layers and the second bonding glue layers use the same bonding glue. The provided composite thermal-insulating board can be used for external wall thermal insulation in a conventional manner and can also be used as a building template to be poured on a wall directly; a thermal insulation layer is not required, the non-combustible rock wool composite thermal-insulating board is low in cost, more economical and practical, convenient to construct, low in waste, economical and environment-friendly, saves labor and materials, meets national thermal insulation and fire prevention rules and is high in weather fastness and strength, and the service life of the composite thermal-insulating board is as long as that of the wall.

The invention discloses a composite glass fiber waterproof breathable membrane and a preparation method thereof. The composite glass fiber waterproof breathable membrane is of a three-layer structure and comprises a first glass fiber cloth layer which is 0.03-0.4mm in thickness, a thermoplastic polyurethane waterproof breathable layer of which the effective thickness is 0.05-0.3mm, and a second protecting layer which is 0.03-0.4mm in thickness, wherein the three layers are composited through a thermal combination process. As the glass fiber cloth has the characteristic of noncombustiblity and the thermoplastic polyurethane has the characteristics of difficulty in combustion, the membrane is conspicuous in fireproof effect when the front side is baked with fire, and due to improvement of the formula of the middle layer, the fireproof property is further improved, the open fire can be prevented within short time, and certain fireproof property is achieved.

The invention relates to the communication technology field and especially relates to a container-type data center. The container-type data center of the invention comprises a container and several cabinets. The cabinets are arranged in the container. An escape door lock is arranged on a door of the container. The escape door lock comprises a lock box fixedly arranged on the door. The lock box comprises a spring bolt and a push button. The spring bolt is connected with the push button. One end of the spring bolt is connected in the lock box through an elastomer. A doorframe of the container is provided with a groove. The other end of the spring bolt can be stretched into the groove. An air filter apparatus is arranged inside or outside of the container. Compared to the prior art, an escape door lock structure of the invention is simple. When there is an emergency in the container, work personnel only simply needs to push the push button so that the spring bolt is stretched out of the groove and then the door can be opened. The air filter apparatus of the invention can perform dehumidification and dehumidification, can prevent a short circuit and delay corrosion of the equipment so that a fire can be avoided, working place safety can be guaranteed and a service life of the equipment can be prolonged.

The invention discloses a gypsum plaster board based on modified BPO (Benzoyl peroxide) fiber, which comprises protective surface paper and a gypsum board, wherein the gypsum board comprises the following raw materials in parts by weight: 36-42 parts of gypsum powder, 22-28 parts of modified BPO fiber, 15-19 parts of polished tile waste slag powder, 6-10 parts of baryta feldspar, 5-9 parts of Suxian County clay, 3-5 parts of sodium bentonite, 2-5 parts of hydroxyethyl cellulose and 12-16 parts of deionized water. The protective surface paper comprises the following raw materials in parts by weight: 32-36 parts of pulp, 5-9 parts of ammonium octamolybdate, 4-8 parts of silicon carbide and 2-5 parts of micro powder graphite. The invention aims to provide the gypsum plaster board based on themodified BPO fiber. The gypsum plaster board has high strength, meanwhile, fireproof performance is further improved, and therefore, the gypsum plaster board has a high use value and a good application prospect.

The invention provides a method for preparing a wooden board with a concave-convex-profiled surface, and belongs to the field of materials technology. The method overcomes the defects of the prior decorative boards which have no concave-convex-profiled surface, lack three-dimensional sense and have poor attractive performance. The manufacturing process of the wooden board with a concave-convex-profiled surface includes the following steps that: A. material selecting includes that wooden boards can be selected and conveyed under a pressing machine by a conveyer; B. pressing includes that the wooden boards conveyed under the pressing machine which is provided with a concave-convex-profiled die plate at bottom can be pressed under high temperature; C. surface processing includes that the wooden boards with concave-convex-profiled surfaces can be achieved by deburring the press boards and spraying oil and painting. The wooden board made according to the manufacturing method of the wooden board with a concave-convex-profiled surface has the advantages of good fire-resistance, moisture-proof, wear-resistance and scratch- resistance attractive performances and well three-dimensional sense.

The invention relates to a preparation method of a flame-retardant stable polyurethane reinforcing material, and belongs to the technical field of reinforcing materials. According to the technical scheme of the invention, peat is taken as a raw material, a modifying material is extracted, and the surface of silica sol is subjected to grafting modification in order to realize surface grafting of nano-silica in a non-organic solvent. The surface of the silica sol can be further connected with various functional groups through grafting modification of a dispersible modifying material. Formed geldispersoid is effectively and organically dispersed inside a polyurethane material to form a three-dimensional crosslinked netlike structure, so that the mechanical performance of the polyurethane reinforcing material is improved. According to the technical scheme, prepared porous glass micro powder is coated with dispersed and modified gel, then the gel burns, and generated silicon dioxide ash forms a coating layer after high-temperature burning. Under the bonding and combustion-supporting actions of glass flow at a high temperature, an eutectic reaction is performed between the silicon dioxide and glass micro powder to generate a dense protection layer, so that the aim of resisting flame and fire is fulfilled.

The invention discloses a construction scheme of a floating air-rib composite water-pillow pneumatic membrane structure, and belongs to the technical field of membrane structure construction. The construction scheme comprises the steps of mounting of air rib assemblies, inspection of memebrane materials, setting-out of membrane pieces, clipping of the membrane pieces, pre-assembling of the memebrane materials, heat fusion connection of memebrane material force-bearing seams, connection of the memebrane materials and an exit and entrance, edge corner treatment of the memebrane materials, treatment of the water-pillow memebrane in the memebrane materials, arranging of a supporting sling, mounting of the membrane structure and the like. The construction scheme of the floating air-rib composite water-pillow pneumatic membrane structure aims to improve the fireproof performance of the floating air-rib composite water-pillow pneumatic membrane structure while the characteristics of low costof the membrane structure and the simple construction process are prominent, and therefore, the construction scheme mainly embodies reasonable mounting of the water pillow and perfect fusion of the water pillow and the membrane structure; and no waste residue, waste gas, waste water and noise are generated in the construction process, pollution and destruction to the surrounding environment are eliminated, the attractive form of buildings, structures and public facilities can be shaped to form landscapes and scenic spots , and beautifying of the urban environment is facilitated.

The invention discloses a ludox precision casting technology of a pipe valve. The ludox precision casting technology comprises the following steps: (1) designing a corresponding die according to the shape of the pipe valve; (2) filling wax in the die designed in the step (1) to obtain a wax die with the same shape as the pipe valve; (3) applying refractory material to the wax die for five times, wherein for the first time, pasting zircon sand on the surface of the wax die, for the second time, pasting mullite sand on the surface of the wax die, for the third time, pasting mullite sand on the surface of the wax die, for the fourth time, pasting mullite sand on the surface of the wax die, and for the fifth time, smearing pyrophillite slurry on the surface of the wax die; (4) sintering a moulding shell at 1000-1100 DEG C, and smelting the moulding shell at 1200-1400 DEG C to dewax; (5) filling molten metal in the sintered moulding shell, and preparing a pipe valve casting after solidification; and (6), matting and polishing the inner and outer surfaces of the pipe valve casting.

The invention discloses a fireproof plugging device, which is used for plugging a hole in a fireproof structure of a building. The fireproof plugging device comprises a longitudinal bottom plate, a first driving device, a transverse bottom plate, a second driving device, a transverse extending plate and a first plugging block, wherein the transverse bottom plate and the first driving device are arranged on the longitudinal bottom plate; the transverse bottom plate is movably arranged on the longitudinal bottom plate, is connected with the first driving device, and is driven by the first driving device to move along the longitudinal bottom plate in the longitudinal direction; the transverse extending plate and the second driving device are arranged on the transverse bottom plate, the first plugging block is arranged on the transverse extending plate, and one side of the first plugging block is hinged to the transverse extending plate; the first plugging block and the transverse extending plate are respectively connected with the second driving device, and the second driving device is used for driving the transverse extending plate to extend out in the transverse direction, and driving the first plugging block to turn over along the hinge side, so as to enable the first plugging block to plug the hole. By adopting the scheme, the fireproof plugging device solves the problems of lower safety coefficient and inconvenience in operation in the existing plugging equipment.

The invention discloses a construction method for fire prevention and extinguishing and loss prevention of a gangue dump. The construction method comprises the following steps that S1, a working face is arranged; S2, after the site condition is confirmed, the drilling position is plotted, and a grouting hole and an exhaust hole are drilled; S3, grout is poured through pouring holes; S4, after an upper layer is solidified, an observation hole is drilled to determine the grouting depth, the grouting hole is plugged with foam concrete, the original hole position is laterally moved by 0.5 m, drilling and grouting are conducted with the same method, and grouting of the whole gangue dump is completed; if the structure of the original hole site is intact, the original hole site can be utilized to continue drilling and grouting, so the whole body reaches a complete pouring state; S5, after the whole body is solidified, holes are drilled in all directions for observation, and after it is determined that the pouring rate reaches 80% or above, loess is filled with original drilled holes, and a drainage pipeline is formed; and S6, a retaining wall is built on the outer side of the gangue hill or the position prone to collapse, a surface is covered with loess, and plants are planted on the loess. The method is high in functionality and can be widely applied to the technical field of waste dump treatment.

The invention discloses a multi-layer fireproof environment-friendly cable which comprises a central copper pipe arranged on the innermost layer, an inner copper pipe arranged outside the central copper pipe, an outer copper pipe arranged outside the inner copper pipe and a fireproof environment-friendly outer sheath tightly attached to the outer portion of the outer copper pipe. The central copper pipe, the inner copper pipe and the outer copper pipe are concentrically arranged; the central copper pipe is filled with cooling liquid, and a mounting space for the fireproof cable core is formed between the central copper pipe and the inner copper pipe. A cooling space is formed between the inner copper pipe and the outer copper pipe, the inner copper pipe and the outer copper pipe are correspondingly supported and installed through an arranged annular supporting elastic piece, the inner copper pipe and the outer copper pipe are installed into a whole through the annular supporting elastic piece, and the space between the inner copper pipe and the outer copper pipe is also filled with cooling liquid. Through the arrangement of the three layers of copper pipe structures, the cable has very good fireproof performance, the inner copper pipe and the outer copper pipe on the outer layer can effectively protect the internal fireproof cable core, and the copper pipes are good in melting point, not prone to melting and remarkable in fireproof performance.