113results about How to "Good energy saving and environmental protection" patented technology

The invention relates to an environment-friendly anhydrous tamping plug and a preparation method thereof and belongs to the field of fireproof materials. The environment-friendly anhydrous tamping plug comprises the following components by weight: 15-20 parts of coke, 22-43 parts of bauxite, 0-10 parts of brown aluminum oxide, 20-25 parts of silicon carbide, 0-8 parts of silicon nitride, 0-3 parts of silicon metal, 10-15 parts of clay, 3-6 parts of sericite and 15-20 parts of a binding agent, wherein the total parts of all materials, except for the binding agent, is 100 parts; the binding agent is composed of the following raw materials in parts by weight: 20-60 parts of carbon-containing resin, 20-50 parts of vegetable fat, 10-40 parts of linear phenolic resin and 5-10 parts of carbon powder. The environment-friendly anhydrous tamping plug has the following advantages of (1) being low in harmful substance content and harmless to a human body; (2) being free of smoke dust and hardly affecting the environment; (3) meeting the use requirements of flushing and casting operation of a blast furnace.

The invention relates to an assembled house, in particular to a quickly-assembled house which is subjected to industrialized production. The invention aims to provide a quickly-assembled house which is subjected to industrialized production, is transported by a container, is quickly spliced and finished in a field sheet body mode, is low in cost and is simple to install. The house comprises the following parts of a floor, a wall body and a roof, wherein the wall body is spliced by wall body blocks; a spliced position is spliced by structural adhesive; and the floor, the wall body and the roof are fixedly installed by fastening pieces to form a house structure. The modularized quickly-assembled house has the beneficial effects that the modularized quickly-assembled house is subjected to industrialized production, is transported by the container, is quickly assembled in field and can be assembled into various temporary, construction-plant or permanent residence of different styles; the modularized quickly-assembled house has few construction members which are standardized and modularized, is simple to assemble and has a short assembling process; the modularized quickly-assembled house is convenient and simple to transport and has the advantages of low transportation cost and good energy saving and environment friendly performance; and the junctions of wall bodies are spliced by the structural adhesive to solve the problem of the wall body structure crack.

The invention discloses a compression-ejection compound refrigerating system using a Knudsen compressor. The compression-ejection compound refrigerating system comprises a residual or waste heat exchanger, a first ejector, a second ejector, a condenser, a first heat regenerator, a first throttling valve, an evaporation condenser, a first Knudsen compressor, a second Knudsen compressor, a second heat regenerator, an evaporator and a second throttling valve; the system is divided into a compression refrigerating part and an ejection refrigerating part which are connected with each other through a common evaporation condenser and the evaporator; the ejectors are driven by the residual or waste heat; the two Knudsen compressors are driven by the residual or waste heat or the solar energy; the overall system is excellent in energy conservation and environmental protection performance; the system is free of motion part and free of lubrication oil; due to the arrangement of the two heat regenerators, the superheat degrees of refrigerants entering the Knudsen compressors can be respectively increased; the phenomenon that the refrigerants are liquefied in the Knudsen compressors can be avoided; super-cooled refrigerants for compression refrigeration and ejection refrigeration are combined and flow into the evaporator, so that the efficiency of the overall system is improved.

The invention relates to an oil recovering device, in particular to a water surface oil recovering device. The oil recovering device solves the problems that the traditional mechanical device has low recovery rate for a thin oil layer when recovering water surface floating oil, and emulsified oil and high-viscosity oil are difficult to scrape off during recovery. An oil recovering box is fixedly arranged on the side wall of a support bracket; an output shaft of a motor is in drive connection with a deoiling wheel shaft; an oil sucking wheel is installed on an oil sucking wheel shaft; the oil sucking wheel and a deoiling wheel are in drive connection by a deoiling belt; and a wind outlet of a solar air heat collector is communicated with a wind inlet of a transmitting flow guide heat insulating shield. The transmitting flow guide heat insulating shield is positioned above the deoiling wheel and communicated with a solar chimney. The second scheme is characterized in that the water surface oil recovering device is heated by an air heater; a flow guide blade is arranged in the transmitting flow guide heat insulating shield; and an angle between the flow guide blade and the wind outlet of the air heater is an acute angle. The third scheme is characterized in that the water surface oil recovering device is heated by the air heater, and a transmitting wind guide pipe is communicatedwith a plurality of branch pipes. The fourth scheme is characterized in that an electric heating component is installed in the deoiling wheel for heating. The water surface oil recovering device is used for water surface oil recovery.

The invention provides an air-purifying environmental protection insulation material and a preparation method thereof, which relates to the field of a building material. The insulation material comprises the following raw materials in parts by weight: 35 parts of expanded perlite, 12 parts of magnesium oxide, 25 parts of cement, 18 parts of urea-formaldehyde resin, 0.6 parts of sodium dodecyl benzene sulfonate, 5 parts of a negative ion additive, 14 parts of quartz sand, 26 parts of vermiculite, 21 parts of nano zinc oxide, 18 parts of waste rock wool plate, 14 parts of waste urethane foam plastic, 10 parts of bentonite, 8 parts of diatomite, 16 parts of active carbon, 9 parts of boron fiber, 18 parts of glass fiber, 14 parts of floating beads, 0.6 parts of a binder, 0.8 parts of a heat stabilizer, 0.5 parts of an anti-oxidant, 0.5 parts of a delayed coagulant, 0.7 parts of a water reducer, and 8 parts of water. The preparation method comprises the following steps: 1) material weighing; 2) vermiculite roasting; 3) stirring; and 4) casting molding, demoulding, piling and maintenance. The material has the advantages of high compressive strength, high tensile strength, good heat insulation, energy saving and environmental protection.

The invention discloses a method for extracting proanthocyanidin from banana peels. The method comprises the following steps of: banana peel extraction; color protection; quick freezing; smashing; microwave drying; ionic liquid extraction; ultracentrifugation; and spray drying to obtain a finished product of the proanthocyanidin. By utilizing quick freezing and low-temperature smashing technologies, the banana peels can be smashed uniformly and are small in particle size, low in proanthocyanidin loss and high in drying speed, and a sterilizing effect can also be realized while the banana peels are dried and dehydrated; the proanthocyanidin is prevented from being damaged by using a microwave-assisted ionic liquid extracting method; and the ionic liquid is easy to recycle. The method is simple in operation, mild in condition, high in yield and efficiency, clean and harmless in production process, low in energy consumption, high in benefit, high in yield and purity of the proanthocyanidin, suitable for large-scale production and application, and wide in prospects for comprehensive utilization of the banana peels and the commercialized market development of natural proanthocyanidin.

The invention provides a polyphenol mixture recycling purification technology which comprises the steps of alkalization and phase splitting: heating a polyphenol mixture to react with a sodium carbonate solution to general phenol sodium salt, conveying reaction liquid into an alkalization and phase splitting tower for continuous reaction to generate the phenol sodium salt and phase splitting and obtaining a water phase rich in the phenol sodium salt and an organic light component, acidification, water washing and phenol extraction: conveying the water phase into an acidification tower for acidification, allowing an organic phase on the upper layer in the acidification tower to overflow into a water washing tower for washing treatment, ethanol crystallization mixing and adding the organic phase after the water washing and ethanol into a crystallizer for crystallization to form 2,3-dimethyl phenol, and rectification and separation: continuously conveying primary mother liquid into a primary rectification tower for rectification till a metacresol finished product with a content greater than 98% is generated continuously in the primary rectification tower, and conveying kettle liquid with a 3,5-dimethyl phenol content greater than 80% from the primary rectifying tower into a secondary rectification tower for continuous rectification and purification to form a product with the 3,5-dimethyl phenol content greater than 98%.

The technical scheme of the invention relates to an automobile air conditioning system. The automobile air conditioning system is characterized by comprising an air inlet channel which is arranged on the top of an automobile body and extends along a front-and-after direction of the automobile body, air outlet channels which are arranged on the left side and the right side of the air inlet channel respectively, wet curtains blocked between the air inlet channel and the air outlet channels, fans which are arranged at the entrances of the air outlet channels and used for extracting air from the air inlet channel to the air outlet channels, water distribution pipelines which are arranged on the top or lateral parts of the wet curtains and used for distributing water on the wet curtains, and a water supply device connected with the water distribution pipelines to supply water, wherein an air inlet for communicating the air inlet channel with air outside the automobile body is formed on the top of the automobile body; and air outlets for communicating the air outlet channels with air in a carriage are formed on the top or the lateral parts of the carriage. The automobile air conditioning system realizes temperature reduction by adopting a water evaporation effect theory and using a physical method; and the automobile air conditioning system is a complete coolant-free, heat pollution-free, energy-saving and environment-friendly automobile air conditioner.

The invention discloses a fabricated building construction method based on 3D printing. By using the fabricated building construction method based on 3D printing, the building quality is high; the industrialized production of fabricated buildings renders building components more standardized, all components can be processed into integral wall boards, beams, columns, building floors and the like according to construction demands, and water pipes, wires, windows and the like can be pre-embedded inside a structural building, so that the workload of on-site construction operation is reduced, the construction sites are much tidier, pollution of noise and dust and generation of construction waste are decreased, energy consumption and emission of carbon dioxide are extremely low, the comfort degree of living is high, and the development of environment-friendly buildings is effectively facilitated.

The invention discloses an application of a novel method for industrialized sterilization and disinfection treatment of edible mushroom cultivating materials by utilizing a microwave sterilization technology, and a sterilization device or system. The device or system is characterized in that a microwave sterilization tunnel arranged on a rack is utilized, a microwave sterilization device composed of anti-leakage devices arranged at the front and the back of the microwave sterilization tunnel and a material conveying mechanism is used for sterilization and disinfection treatment of the edible mushroom cultivating materials, and the edible mushroom cultivating materials can be unpackaged, or contained by material bags, material packets, material bottles or material baskets. The device or the system comprises the material conveying mechanism provided with a conveying belt, the microwave sterilization tunnel, a rapid cooling device, a strain inoculation device, the anti-leakage devices, microwave generators and an exhaust steam fan, wherein the microwave sterilization tunnel, the rapid cooling device and the strain inoculation device are arranged on the rack in sequence, the anti-leakage devices are arranged at the front and the back of the microwave sterilization tunnel, the microwave generators are arranged on both sides of the microwave sterilization tunnel, the exhaust steam fan is arranged on top of the microwave sterilization tunnel, and access ways capable of enabling the conveying belt to pass smoothly are arranged in the microwave sterilization tunnel, the anti-leakage devices arranged at the front and the back of the microwave sterilization tunnel and the cooling device. The invention can be utilized for the sterilization treatment of edible mushroom cultivating materials, and has the characteristics of rapid sterilization speed, high penetration depth, good sterilization effect, low cost, energy conservation and environment protection.

The invention discloses an automatic concrete curing device and an automatic concrete curing method. The device comprises a water tank, a heater, a temperature control switch and a curing curtain, wherein the heater and the temperature control switch are arranged in the water tank; the temperature control switch is connected with the heater and controls start and stop of the heater; the curing curtain comprises a moisture absorption layer and an impermeable layer; a micro-irrigation pipe is arranged at the upper end in the moisture absorption layer and communicated with the water tank through a water delivery pipe; and a valve is arranged on the water delivery pipe. The curing curtain can meet curing of the wall surface, inclined surface and plain concrete. According to the moisture absorption layer of the curing curtain, the moisture is stored for concrete curing, the water demand can be accurately controlled, the utilization efficiency of curing water is high, and waste of the curing water is avoided. The curing device is high in degree of automation, extremely small in needed electric quantity and excellent in energy-saving and environment-friendly performances.

The invention relates to the technical field of harmless treatment of solid wastes, in particular to a phosphogypsum hardening agent as well as a preparation method and application thereof. The ardealite hardening agent provided by the invention is prepared from the following preparation raw materials in parts by weight: 1580 to 1780 parts of ardealite, 10 to 30 parts of a modifier, 100 to 130 parts of an active mineral admixture, 100 to 140 parts of cement, 15 to 40 parts of metakaolin, 10 to 35 parts of coal gangue slag, 5 to 10 parts of an early strength agent and 50 to 80 parts of water. The ardealite hardener can effectively enhance the early strength of ardealite, reduce the initial setting time and the final setting time of the hardened ardealite, improve the durability, the wear corrosion resistance and the erosion resistance of a material after ardealite hardening, and meanwhile, the material after ardealite hardening can meet the environmental quality standards of soil, surface water and underground water, and has a good application prospect. The problem that a large amount of ardealite is difficult to treat and utilize due to poor ardealite performance at present is solved.

The invention relates to a straw coal gasification warming stove which comprises a stove body (1), wherein a vertical water jacket partition plate (2) is longitudinally arranged in the stove body (1); a positive combustion smoke and fire outlet (21) is formed above the vertical water jacket partition plate (2); a second combustor (13) is internally provided with a positive / reversal combustion conversion turning plate (3); a reversal combustion smoke and fire outlet (22) is formed between the lower side of the vertical water jacket partition plate (2) and the back side of a fire grate (14); a plurality of reversal combustion ventilation fire grate tubes (4) are arranged on the position of the reversal combustion smoke fire outlet (22); smoke dust passing gaps are arranged between the adjacent reversal combustion ventilation fire grate tubes (4); the second combustor (13) is internally provided with a gasification combustion-supporting tube (5); the straw coal gasification warming stove has the advantages that the combustion efficiency of fuels is high, the flue gas purification effect is good ,and the usage cost is low; the straw coal gasification warming stove is convenient to use; the effect is good; the fuel combustion is more fully; smoke dust can be fully burned in the second combustor; discharged flue gas is cleaner; the energy conservation and environmental protection property is better; the fuels are further saved by using the straw coal gasification warming stove; the usage cost is lower; the using effect is better.

The invention discloses a solar micropower intelligent domestic sewage treatment system and sewage treatment method. The treatment system is characterized in that an anaerobic tank, an anaerobic / aerobic tank, an aerobic tank, a contact oxidation tank, a sludge settling tank and a clean water tank are sequentially arranged from left to right in a tank body of sewage treatment equipment; both ends of a sludge return pipe are respectively positioned in the anaerobic tank and the sludge settling tank; both ends of an aeration pipe are respectively positioned in the aerobic tank and the contact oxidation tank; the aeration pipe is connected with an aeration diaphragm; a gas stripping return device connected with the sludge return pipe is arranged in the sludge settling tank; the sludge return pipe is connected with a gas transmission pipe; an aeration blower, on-site PLC (programmable logic controller) control equipment and remote monitoring and transmission equipment are connected with an inverter; the on-site PLC automatic control equipment controls an electromagnetic control valve and the aeration blower; and the remote monitoring and transmission equipment controls the on-site PLC automatic control equipment and uploads on-site data and on-site pictures to a terminal in real time. The sewage treatment system is high in intellectualization degree, low in operation cost, convenient to manage and maintain, favorable in treatment effect and high in efficiency.

The invention relates to an oilless air compressor. The oilless air compressor comprises a flywheel. An eccentric shaft is arranged on the flywheel. The eccentric shaft is connected with a piston connecting rod. A piston is connected to the piston connecting rod. An air inlet valve plate is arranged on the piston. The air inlet valve plate communicates with a piston cylinder through a channel. The piston is arranged in the piston cylinder. The piston cylinder communicates with one end of the piston connecting rod through the channel. The other end of the piston connecting rod is connected with a one-way valve. An air outlet valve plate is arranged at the top end of the piston cylinder. According to the oilless air compressor, a total-closed structure is adopted, the silencing effect of the oilless air compressor is good, the environmental adaptability is higher, the energy-saving property and environmental friendliness are good, the vibration is small, and the oilless air compressor is suitable for braking of new-energy commercial vehicles.

The invention relates to a fishing boat, in particular to an electric propulsion trawler, which solves the problems of poor power performance, poor energy conservation and environmental protection, large noise and vibration, poor operation economy and inconvenience in maintenance of the conventional trawler. The electric propulsion trawler comprises a power generation system, a power distribution system, a main propulsion system and an auxiliary system, wherein the power generation system comprises two constant speed power generation units; the power distribution system comprises an AC690V power distribution board, an AC400V power distribution board, a main transformer and an auxiliary transformer; the main propulsion system comprises two propulsion frequency converters, a double-armature alternating current propulsion motor, a gear box and a screw propeller; and the auxiliary material comprises deck machinery and auxiliary electric equipment. The electric propulsion trawler is applicable to various fishing operation.

The invention discloses a continuous leather spraying device for luggage processing. The continuous leather spraying device comprises a processing table and a discharging roller, wherein the discharging roller is rotatably mounted at one side of the top of the processing table through supporting plates, leather is wound around the discharging roller, a cleaning water tank is fixedly mounted at theupper end of the processing table at one side of the discharging roller in an embedded manner, and a water circulation mechanism is arranged on the cleaning water tank; and a reciprocating cleaning mechanism is fixedly installed in the cleaning water tank, a protective separation cover is fixedly installed at the portion, away from one side of the discharging roller, of the processing table, communicating openings are formed in the two opposite sides of the protective separation cover, and a spraying mechanism and a drying mechanism are installed on the protective separation cover. The continuous leather spraying device has the beneficial effects that continuous spraying processing of the leather is achieved, and the efficiency is high; cleaning is performed before spraying, so that the product quality is improved, and cleaning is thorough and efficient; the water circulation mechanism and the cleaning water tank form a water circulation system, and cleaning water is repeatedly used,so that the energy consumption and cost are reduced; and spraying materials are evenly mixed, and the spraying materials are heated, so that the quality of products sprayed by the spraying materials is improved, and practicability is higher.

The invention provides an environment-friendly material and a preparation method thereof and relates to the field of building materials. The environment-friendly material is prepared from the following raw materials in parts by weight: 32 to 40 parts of expanded perlite, 10 to 16 parts of magnesium oxide, 20 to 30 parts of cement, 15 to 23 parts of urea resin, 0.5 to 0.7 part of sodium dodecylbenzene sulfonate, 3 to 5 parts of an anion additive, 12 to 14 parts of quartz sand, 22 to 32 parts of vermiculite, 14 to 20 parts of waste polyethylene foamed plastic, 8 to 12 parts of attapulgite, 6 to 12 parts of diatomite, 13 to 17 parts of nanometer titanium dioxide, 5 to 13 parts of ceramic fibers, 13 to 21 parts of polypropylene fibers, 12 to 14 parts of phenolic foam, 0.2 to 0.6 part of a binder, 0.5 to 1.1 part of a heat stabilizer, 0.3 to 0.7 part of an antioxidant, 0.2 to 0.6 part of a retarder, 0.5 to 0.7 part of a water reducing agent and 6 to 10 parts of water. The preparation method comprises the following steps: firstly, weighing the raw materials; secondly, roasting the vermiculite; thirdly, stirring; fourthly, casting moulding, demolding, stacking and curing. The environment-friendly material prepared by the preparation method provided by the invention has the advantages of high compressive strength, high tensile strength, high heat preservation and insulation properties and high energy-saving and environment-friendly properties.

The invention relates to a system and a technology for producing sodium hypochlorite by a tower-type continuous method. The system comprises a sodium hypochlorite reaction device and a tail chlorine absorption device, the sodium hypochlorite reaction device comprises a sodium hypochlorite reacting tower, a sodium hypochlorite circulating groove, a sodium hypochlorite circulating pump and a sodium hypochlorite cooler which are sequentially communicated, the tail chlorine adsorbing device comprises a tail chlorine absorption tower, an alkaline liquid circulating groove, an alkaline liquid circulating pump and an alkaline liquid cooler which are sequentially communicated, the sodium hypochlorite cooler is communicated with an upper portion of the sodium hypochlorite reacting tower, the sodium hypochlorite reacting tower is communicated with a chlorine pipeline and an ORP (oxidation-reduction potential) detector, the alkaline liquid cooler is communicated with an upper portion of the tail chlorine absorption tower, and a top portion of the sodium hypochlorite reacting tower is communicated with a lower portion of the tail chlorine absorption tower. By introducing the online ORP detector, the sodium hypochlorite produced by the system is ensured to meet the quality requirement, and the system and the technology for producing the sodium hypochlorite have the advantages of low energy consumption, high efficiency, high quality, continuity and stability in production and the like.

The invention provides a mulberry silkproduction process which belongs to the technical field of textile. The mulberry silkproduction process includes the following steps: refrigeration, vacuum infiltration, reeling, refining, puffing, washing, and flame-retardant modification, wherein the refining process includespretreatment, primary scouring,secondary scouring, bleaching and cleaning. The mulberry silk production processmaintains the freshness of silkwormcocoons by refrigerating the silkworm cocoons, and then makes the fresh cocoons directly subjected to the vacuum infiltration andreeling processes, thus drying and cocoon-cooking links are omitted, human labor and time are saved, and energy consumption is lowered. The refining, puffing and flame retardant treatment processes improve thesoftness, elasticity and flame retardancy of the mulberry silk.

The invention provides an energy-saving environment-friendly wall body material and a preparation method thereof, and relates to the field of building materials. The energy-saving environment-friendly wall body material is prepared from the following raw materials in parts by weight: 15 to 19 parts of fine sand, 30 to 40 parts of crushed stone, 18 to 30 parts of cement, 10 to 15 parts of waste polyurethane foam plastic, 9 to 17 parts of waste extruded sheet, 15 to 20 parts of bamboo charcoal, 5 to 9 parts of ceramic fiber, 8 to 14 parts of polyamide fiber, 3 to 5 parts of attapulgite, 12 to 16 parts of phenolic foam, 11 to 17 parts of vermiculite, 0.2 to 0.4 part of bonding agent, 0.7 to 1.1 parts of thermal stabilizer, 0.3 to 0.5 part of air entraining agent, 0.2 to 0.6 part of retarder, 0.3 to 0.7 part of water reducing agent, and 3 to 7 parts of water. The preparation method comprises the following steps: (1) weighting the raw materials; (2) calcining the vermiculite; (3) smashing the mixed materials; (4) preparing a mixture; (5) preparing mixed slurry; (6) casing, demolding and curing. The energy-saving environment-friendly wall body material prepared by the method provided by the invention has the advantages of high compressive strength, high tensile strength, high heat preservation and insulation performance, energy saving and high environmental friendliness.

The invention relates to a heat-insulation biomass tile. The heat-insulation biomass tile is processed through the following steps that 1, plant straw is smashed into powder through a pulverizer, and plant straw powder is obtained; 2, stone, quartz sand and brick fragments are mixed according to any proportion and smashed, stone powder is obtained, and the heat-insulation biomass tile is obtained through mixing and extrusion forming. The biomass tile is very light, the mass is smaller than that of a color steel plate, and high antifreezing, anti-sunning, cold and hot impact resisting and anti-ageing performance are achieved. Water-based pigments are added into composite tile raw materials, color fading can be prevented in the use process, an enamel layer can be formed on the surfaces of the raw materials through the special raw material ratio and process treatment, and then the corrosion resistant performance and attractiveness of the composite color ceramic glaze tile are further improved.

The invention relates to a cargo ship and specifically relates to an electric propelled inland river cargo ship. The invention solves the problems of poor power property, inferior energy-saving and environment-friendly property, high noise and vibration, poor running economical efficiency and poor operation flexibility of the present inland river cargo ship. The electric propelled inland river cargo ship comprises a generating system, a power distribution system, a main propelling system and an auxiliary system, wherein the generating system comprises a plurality of constant-speed generator sets; the power distribution system comprises a main power distribution plate, an auxiliary power distribution plate, a main transformer, an auxiliary transformer, a plurality of refrigerated container transformers, an AC690V bus bar mounted on the main power distribution plate, an AC400V bus bar mounted on the auxiliary power distribution plate and an AC220V bus bar mounted on the auxiliary power distribution plate; and the main propelling system comprises two propelling frequency converters, two propelling motors, two gear boxes and two full-rotation propellers. The electric propelled inland river cargo ship is suitable for inland river transportation.

The invention discloses a dead wind source heat pump shaft anti-freezing system based on heat pipe heat exchange. The dead wind source heat pump shaft anti-freezing system comprises a dead wind heat taking device, an initiative and passive combined air source heat pump unit with a heat pipe heat exchanger, a dead wind heat exchange defrost flushing device and a mine heating unit with a heat pipe heat exchanger. The dead wind heat taking device is connected in a coal mine dead wind pipeline in series so that waste heat in dead wind of coal mine can be utilized. A compressor, a condenser, an evaporator, an expansion valve and an oil separator are arranged in the air source heat pump unit for sufficiently absorbing heat from a dead wind heat exchange device, and a heat source is provided for the mine heating unit through the condenser. The dead wind heat exchange defrost flushing device is provided with a flushing pump, a settling pond, a middle water pool and a flushing water pool and is connected with the air source heat pump unit through a hot water heating pipeline. By means of the dead wind source heat pump shaft anti-freezing system based on heat pipe heat exchange, the heat pipe heat exchange technology is combined with the air source heat pump unit, the dead wind heat exchange technology and the shaft anti-freezing system, heat can be taken from dead wind of a coal mine reliably and is used for anti-freezing use of a shaft, and the running wind resistance is low.

The invention relates to a construction method of a wall-penetration-free heightened anchored supported pull folding type discharging platform. The construction method is characterized by comprising the steps that vertical supporting bases are installed; hydraulic climbing systems are installed; sliding rails are manufactured and installed; a pull folding type discharging platform body is manufactured; the pull folding type discharging platform body is hoisted; the pull folding type discharging platform body is pushed to convey building materials to the exterior of a room from the interior ofthe room or from the exterior of the room to the interior of the room; and oil injection or oil drainage is conducted in jacking rods through hydraulic pipes so that the pull folding type dischargingplatform body (1) can move up and down. The construction method of the wall-penetration-free heightened anchored supported pull folding type discharging platform has the advantages that the structureis reliable, construction is convenient and efficient, and the defect that a conventional telescopic discharging platform cannot be used in an existing window opening is thoroughly overcome.

The invention relates to a construction method of a self-stabilized internal and external sliding and moving type elevator shaft safety protection device. The construction method of the self-stabilized internal and external sliding and moving type elevator shaft safety protection device is characterized in that the self-stabilized internal and external sliding and moving type elevator shaft safetyprotection device comprises a cantilever frame, a sliding platform and a protection mechanism, wherein the cantilever frame comprises a main beam, a secondary beam, a limit beam, a vertical rod and atransverse beam, the vertical rod is provided with a leveling steel plate, the sliding platform comprises a main frame, a side frame, a main steel plate and a side steel plate, and the protection mechanism comprises a hanging net screw and a safety net; and the construction method comprises the steps that a cantilever beam is assembled and site-lifted, the leveling steel plate is adjusted, the sliding platform is mounted and slides into an elevator shaft, and the hanging net screw and the safety net are mounted. According to the construction method of the self-stabilized internal and externalsliding and moving type elevator shaft safety protection device, self-stabilized performance of the structure is high, operation in the shaft is less, construction safety is good, the turnover usingrate is high, dismounting is fast, and performance of energy conservation and environmental protection is good, the problems of complicated process, large on-site operational quantities, dangerous dismounting, low repeating utilization rate and slow construction progress of the conventional pre-embedded steel pipe protection technology are solved, and remarkable economic and social benefits are provided.

The invention relates to an environment-friendly adhesive special for compound cleaning foam cotton. The environment-friendly adhesive is prepared from the following raw materials: 16 to 25 parts of ring-opened phenolic oligomers, 40 to 63 parts of formaldehyde, 1.6 to 3 parts of potassium hydroxide, 6 to 15 parts of polyethylene glycol, 8 to 30 parts of silane coupling agent, 4 to 25 parts of silica, 10 to 40 parts of polyvinyl alcohol, 20 to 55 parts of silica sol, and 1 to 4 parts of water-soluble silicone oil emulsion; a preparation method comprises the following steps that firstly, the ring-opened phenolic oligomers and the potassium hydroxide are mixed under a working condition of 70 DEG C, stirred for 5 min, a formaldehyde solution is added and stirred for 20 min, after adding the polyethylene glycol, the silica sol and the water-soluble silicone oil emulsion, a phenolic resin is prepared. Then the silica modified by polyethylene glycol is added into the phenolic resin, and thesilane coupling agent is added to prepare a nano-silica phenolic resin adhesive; the environment-friendly adhesive special for the compound cleaning foam cotton has the advantages of strong adhesive force, energy saving and environmental protection, and high production efficiency.