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176results about How to "Protect the living environment" patented technology

Recycled aggregate medium-dry hard concrete prepared by using building waste and preparation method of recycled aggregate medium-dry hard concrete

The invention discloses a recycled aggregate medium-dry hard concrete prepared by using building waste, which comprises the following raw materials of coarse aggregate, fine aggregate, a gelatinizing agent, a water reducing agent and water, wherein the gelatinizing agent comprises cement and coal ash, and the coarse aggregate comprises 50-100 percent of recycled coarse aggregate prepared from thebuilding waste. A preparation method of the recycled aggregate medium-dry hard concrete comprises the following steps of: pretreating the building waste, removing impurities, remaining waste concrete, waste bricks and the like; crushing and screening to prepare the recycled coarse aggregate; mixing the recycled coarse aggregate, natural sand, cement and water according to the proportion, adding the coal ash and the water reducing agent, stirring uniformly to obtain a mixture; and squeezing and forming the mixture, curing for 2 days to obtain the recycled aggregate medium-dry hard concrete. The invention solves the problems of worsening ecological environment and the like caused by difficulty in treating the building waste; and the building wastes are used for manufacturing the recycled aggregate for replacing natural aggregate, the increasingly deficient natural aggregate and damage degree to the ecological environment are reduced, and the living environment of human beings is protected. The recycled aggregate medium-dry hard concrete prepared by using the method has high strength and high abrasive resistance, and can be used for building base installations such as city roads, housing constructions and the like.
Owner:云南华威废弃物资源化有限公司

Waste heat circulation energy-saving printing and dyeing water utilization method and system

The invention discloses a utilizing method and system of energy-saving printing and dyeing water through circulated waste heat, which comprises the following parts: refrigerator, technical manufacturing equipment, waste water mixing pond, waste water source heat pump set, hot water pond and biochemical disposing pond, wherein the technical manufacturing equipment drains the clean water into waste water mixing pond, which heats cool water in the waste hot pond after pumping the hot water by hot water source pump set; the hot water supplying pump pumps the water into technical manufacturing equipment, which forms circulating system.
Owner:JIANGSU TENESUN ELECTRICAL APPLIANCE

Full heat recovery fresh air energy-saving system of using solar phase transformation thermal storage

An energy saving system utilizing neat accumulation of solar energy phase transition to provide complete heat recovery air is featured as utilizing heat collector of solar energy to convert solar energy to be hot water, utilizing phase transition heat accumulation unit to accumulate solar energy and to change solar energy to be heat energy by using hot water as heat media, utilizing air / water heat exchanger to heat air being completely heat- recovered by complete heat-recovery heat exchanger then sending heated air to air-conditioning room.
Owner:BEIJING UNIV OF TECH

Sludge environmental protection block

The invention discloses a sludge environmental protection block and relates to a building block. Present blocks are clay or cement and bath brick. Chamotte brick needs a lot of clay. A lot of fine fields will be destroyed, cement-bath brick will destroy massif and river, and disasters are brought to humans. Therefore, both clay and sand should not be used as a brick-making material. Furtherly, a lot of sludge left after sewage treatment is not effectively utilized. The invention provides the environmental protection block with sludge used as a raw material. The formula of the environmental protection block contains: by weight, 18-25 parts of portland cement, 0.5-1.5 parts of expanded perlite, 25-35 parts of sludge, 8-12 parts of pulverized limestone, 30-40 parts of small broken stone, 5-12 parts of building garbage, 0.5-1 part of foamed plastic fragments and 1-3 parts of industrial fiber. The invention relates to the green industry for environmental protection, and has beneficial effects of excellent product performance, multi-purposes, simple manufacturing industry, energy conservation, low cost and the like.
Owner:周中德

Remote weight management system and garbage management system based on same

InactiveCN104058198AInstant accessTimely and real-time managementRefuse receptaclesEngineeringWeight management
The invention relates to a weight management system, in particular to a remote weight management system and a garbage management system based on the same. The remote weight management system comprises a weight bearing unit and a remote management terminal; a weight measuring device, a control box and a storage battery connected with the weight measuring device and the control box are arranged in the weight bearing unit; an integrated circuit plate is arranged in the control box; a signal acquisition module, a GPS positioning module, a micro control single-chip microcomputer and a signal sending module are arranged on the integrated circuit plate; an SIM card is connected with the integrated circuit plate; the remote management terminal comprises a computer processing device and a signal receiving module corresponding to the signal sending module. Through the remote weight management system, GPS positioning and wireless communication network are utilized; external weight is acquired and managed promptly and instantly through the remote management terminal; the remote weight management system is very suitable for an occasion requiring remote weight collect or manage, for example, a fishing match, and particularly suitable for garbage management.
Owner:黄德明

Waste gas recovery system device of noise elimination and air cooling static catalytic cracker of internal-combustion engine

The invention relates to a waste gas recovery system device of a noise elimination and air cooling static catalytic cracker of an internal-combustion engine, comprising a tail gas recycling device, atail gas recycling nozzle, a tail gas recycling connecting pipe, an engine exhaust system, an exhaust pipe, an air cooling static noise eliminator, an ozone generator, an air cooling static NOX catalyst, an exhaust flow divider, an air cooling NOX catalyst, a semiconductor refrigerator, an axial flow fan, an air cooling particle catcher and an air cooling static mixing catalyst. The waste gas recovery system device is connected with an air supplying system and an oil line system so as to form new external three systems. The invention is suitable for a plane, a steamship, a diesel engine generating set, an internal-combustion locomotive, a motorcycle, a gasoline car, a diesel car, an oil drilling diesel machine, an industrial boiler, a domestic gas cooker, and the like, has simple and convenient installation, i.e. an original system of the internal-combustion engine is taken down and replace with the new system, can save the oil by 15-30 percent without exhaust pollution, prolongs the service life of the internal-combustion engine, is a major energy-saving brainstorm project during the Eleventh Five-Year Plan and is the major breakthrough of the waste gas recovery system--the reformation of the external three-system of an engine in 21 century.
Owner:上海徕普太阳能科技有限责任公司

Method for treating rural wastewater

The invention discloses a method for treating rural wastewater, which comprises the following steps: pretreating of the wastewater through a grating and an oil separating tank, denitrifying and dephosphorizing through anaerobic-anoxic-aerobic-membrane bioreactor process, further purifying of the wastewater in a wetland treatment system and wastewater emission after reaching standards, thereby protecting the living environment and body health of farmers.
Owner:张文波

Curing method of active nucleus waste matter simulation substance

The invention provides a curing method used for radioactive nuclear waste simulation matter, which is characterized in that the method comprises the steps as follows: SiO2, ZrO2, and Eu2O3 or CeO2 are taken as raw material and compounded, grinded, dried and calcinated for 20-25h under the temperature of 1400-1600 DEG C so as to prepare a solidified body which takes the zircon as the substrate. The preparation method of the invention has the advantages of simple method, easy operation, short production period, high production efficiency, and uniform solidified body microstructure with higher crystallinity; the method of the invention is a new effective curing method provided for processing the radioactive nuclear waste and can be widely used for the processing of the radioactive nuclear waste exhausted by corresponding fields such as nuclear industry, etc.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Hollow concrete partition wall plate and production method thereof

The invention relates to the technical field of building materials and particularly relates to a hollow concrete partition wall plate and a production method thereof. The invention provides a hollow concrete partition wall plate. The hollow concrete partition wall plate comprises dry materials and water as raw materials, wherein the dry materials comprises the following components in percentages by weight: 16-18wt% of cement, 2-4wt% of steel slag powder, 40-60wt% of fly ash blaster furnace slag, 20-40wt% of submerged arc furnace slag and a appropriate amount of water. The hollow concrete partition wall plate produced by the production method disclosed by the invention has the characteristics of high compressive strength, large bending bearing capacity, light weight, thermal insulation, sound insulation, fire resistance, convenience in installation and so on. Moreover, since the hollow concrete partition wall plate disclosed by the invention has the characteristics of waste utilization and environmental friendliness, increasingly scarce energy resources are saved, the stockpiling space is saved, and the production cost is reduced while our living environment is protected.
Owner:SHANGHAI MCC ENVIRONMENTAL ENG TECH CO LTD +1

Steel slag powder water stabilized base material and preparation method thereof

The invention provides a steel slag powder water stabilized base material. The raw materials include a dry material and water. The dry material comprises the following components: 3-4wt% of cement, 13-26wt% of steel slag powder, and 70-84wt% of gravel. An appropriate amount of water is added. The invention also discloses a preparation method and application of the steel slag powder water stabilized base material. According to the steel slag powder water stabilized base material and its preparation method provided by the invention, the water stabilized base material are improved, and new utilization ways for steel slag are opened up. The material has good slab entirety, high early strength, crack resistance, and strong deformation resistance, all the performance indicators are in line with the requirements of relevant standards, and the steel slag powder as industrial solid waste is employed to serve as the fine aggregate in the water stabilized base material, thus turning waste into treasure, protecting the environment, and serving multiple purposes.
Owner:SHANGHAI MCC ENVIRONMENTAL ENG TECH CO LTD +1

Anti-static antimicrobial ceramic tile prepared from coal ash and preparation method of anti-static antimicrobial ceramic tile

The invention belongs to the technical field of ceramic materials and particularly relates to an anti-static antimicrobial ceramic tile prepared from coal ash and a preparation method of the anti-static antimicrobial ceramic tile. The anti-static antimicrobial ceramic tile comprises a blank body and a glaze layer, wherein the blank body is prepared from the following raw materials: Laizhou feldspar, Laiyang soil, scorched gems, talc, coal ash, Shahe porcelain stone and composite conductive powder, wherein the composite conductive powder consists of iron oxide and anti-static materials; and the glaze layer is prepared from the following raw materials: potash feldspar, soda feldspar, dolomite, burnt talc, alumina, quartz, clinker, kaolin, anti-static materials and an antibacterial agent for ceramic glaze. The anti-static antimicrobial ceramic tile prepared from coal ash has the excellent performance of ceramic floor tiles and is strong in decoration and durable. Furthermore, the anti-static antimicrobial ceramic tile further has the functions of resisting static electricity and inhibiting and killing bacteria, is capable of eliminating static electricity and has the effects of promoting human health and protecting living and working environments.
Owner:山东电盾科技股份有限公司

Bird individual identifying method based on multi-feature fusion transfer learning

The invention discloses a bird individual identifying method based on multi-feature fusion transfer learning. The bird individual identifying method comprises the steps of S1, preprocessing an already-known twittering signal; S2, framing and windowing the preprocessed twittering signal, and using the obtained twittering signal with the fixed frame length to generate a sonogram through a linear frequency modulation wavelet; S3, processing a deep convolutional neural network; S4, inputting the sonogram generated in S2 to the neural network in S3 to obtain feature vectors at different layers, andfusing the vectors to obtain final feature vectors; S5, inputting the final feature vectors to a support vector machine, and obtaining an identifying model after training is conducted; S6, detectingthe performance of the obtained identifying model, and continuously improving the model to obtain a final identifying model; S7, inputting the to-be-tested twittering signal to the final identifying model in S6 to identity the types and quantity of birds after processing the to-be-tested twittering signal according to S1, S2 and S4.
Owner:BEIJING FORESTRY UNIVERSITY

Textile printing and dyeing wastewater treatment equipment

The invention discloses textile printing and dyeing wastewater treatment equipment, which includes a filtration tank and a reaction tank. The reaction tank is located on the right side of the filtration tank, the left side of the filtration tank top is equipped with a water inlet, a first filter plate is fixedly connected to the inner cavity of the filtration tank transversely, the left side of the reaction tank is fixedly connected to a water pump, a water inlet pipe of the water pump runs through the inner cavity of the filtration tank and is communicated with a water duct, the bottom of the water duct runs through the first filter plate and extends to the bottom of the first filter plate. The invention solves the problem that the reaction tank in existing textile printing and dyeing wastewater treatment equipment cannot realize stirring, the textile printing and dyeing wastewater treatment equipment has the advantage of high stirring efficiency of the reaction tank, enables full reaction of wastewater in the reaction tank with reactants under stirring, thus reaching the effects of rapid wastewater treatment, up-to-standard emission of the treated wastewater, and protection of people's living environment.
Owner:SUZHOU YUANLING TEXTILE CO LTD

Multifunctional portable air quality monitor

A majority of detection devices for detecting quality of indoor air, in particular toxic gas, are specialized instruments at present. These specialized instruments are expensive in price, inconvenient for carrying, not suitable for use of occasions with specific requirements or residential houses, and have no generality. On the other hand, a few apparatuses are gradually eliminated to cause waste of designs and resources due to single function. Owing to the above factors, a multifunctional portable air quality monitor based on an AVR (Automatic Voltage Regulator) single chip is designed. The monitor can provide two modes to monitor indoor gas concentration according to different requirements besides monitoring and detecting indoor temperature and humidity, alarm when the gas concentration is overproof (as to toxic gas or combustible gas) or lower than the standard (as to normal gas or gas required in special occasions), and prompt the user to pay attention to ventilating or detect air condition in the environment. In addition, the monitor has expansibility, so that the user can install various different gas sensors according to requirement, and set the sensor parameters according to an explanation of the apparatus and the monitor automatically identifies a new sensor. The monitor can be used for monitoring various different gases (in particular, toxic gas or flammable gas) because of the expansibility, and is suitable for various different occasions such as living rooms, workshops, mines, outdoors and the like.
Owner:马宏宾 +3

Prefabricating common concrete outer plate recycled concrete core shear wall and processing method thereof

The invention relates to a regenerated concrete core shear wall provided with precast common concrete outside plates and a processing method thereof. The structure of the shear wall is divided into three layers along the thickness direction, wherein an intermediate layer is a cast-in-situ regenerated concrete layer (2), and an upper surface layer (1) and a lower surface layer (1) are the precast common concrete outside plates; a horizontal reinforcement (3) and a vertical reinforcement (4) are arranged inside the precast common concrete outside plate layers on both sides; one end of a bonding reinforcement (5) is bound on a reinforcement mat, and the other end of the bonding reinforcement (5) is extended into the regenerated concrete layer; the length of the bonding reinforcement (5) is the thickness of the regenerated concrete layer; the horizontal reinforcement and the vertical reinforcement are extended out of the precast common concrete outside plates (1), and the length of the horizontal reinforcement and the vertical reinforcement is more than the reinforcement anchoring length; and the precast common concrete outside plates (1) are taken as templates of reinforced concrete members, cast in situ with regenerated concrete (2) in the middle, and combined into a whole. The shear wall and the processing method thereof solve the problem of damage of the ecological environment due to increasing shortage of natural aggregate and mining of a large quantity of sandstones.
Owner:安徽新基建有限公司 +1

Efficient boiler flue gas treatment device

An efficient boiler flue gas treatment device comprises a treatment box, a left chamber and a right chamber. The treatment box is internally provided with the left chamber and the right chamber. The top end of the left chamber is connected with the top end of the right chamber through a bent gas conveying pipe. A gas inlet pipe is arranged at the bottom end of the left chamber, a cooling cavity is formed at the bottom end in the left chamber, and the bottom end of the cooling cavity is connected with the gas inlet pipe. The upper end of the cooling cavity is connected with a front filtering cavity through a flue gas conveying pipe. The upper end of the front filtering cavity is connected with a rear filtering cavity through a flue gas conveying pipe. A denitration cavity is formed at the upper end in the right chamber. The top end of the denitration cavity is connected with the rear filtering cavity through a bent gas conveying pipe. The upper right end of the denitration cavity is connected with a desulfuration cavity at the lower end through a ventilation pipe, the desulfuration cavity is internally provided with a spraying device, the lower end of the desulfuration cavity is connected with a circulating desulfuration liquid box through a liquid discharge pipe, and the circulating desulfuration liquid box is connected with the spraying device. The efficient boiler flue gas treatment device can effectively achieve cooling, dust removal, denitration and desulfuration treatment of boiler flue gas, and is high in purifying efficiency and good in purifying effect.
Owner:HARBIN JINJING BOILER

Method and device for preventing leak through of spiral lift tap

The invention relates to method and device for preventing leak through of spiral lift tap. The invention includes that ceramic valve assembly provided with ceramic valve core substitutes the original washer and washer seat in various spiral lift taps, so as to achieving the aim of preventing leak through of tap. The device is ceramic valve assembly, comprising a case, a spring, a seal ring, a ceramic valve core, a rotary valve handle, a clamp spring, a drive plate and a stop block; the case is internally provided with a ceramic valve core, the side of the case is provided with a through hole, the bottom is provided with the seal ring, the spring is sheathed at the periphery of the case, the upper part in the case is provided with the drive plate and the clamp spring, the clamp spring is connected with the hole at the lower end of the rotary handle of tap, and the valve core is controlled to open or close by the handle of tap. The invention has the beneficial effects that technical upgrading and updating can be carried out on the spiral lift tap, the problem of leak through of spiral lift tap can be effectively solved, and the tap is given with brand new usage function and value. The product of the invention is safe, environmentally friendly, water-saving and material-saving and has long service life and wide application prospect.
Owner:陈洁

Plate-type special-shaped ceiling structure with light-gauge steel joists

ActiveCN103233541AEasy to acceptGuarantee basic modeling requirementsCeilingsCovering/liningsArchitectural engineeringJoist
The invention discloses a plate-type special-shaped ceiling structure with light-gauge steel joists. The special-shaped ceiling structure comprises a top light-gauge steel joist, a bottom light-gauge steel joist and a middle modeling facade, wherein the middle modeling facade is made of a fire-proof plate; the top of the middle modeling facade is connected with the bottom of the top light-gauge steel joist through a prefabricated connecting piece; and the bottom light-gauge steel joist is connected with the bottom of the middle modeling facade through a prefabricated connecting piece. Through the adoption of the invention, a ceiling is enabled to be more normalized; dies are processed into prefabricated products in factories, the mounting operation is simple, and the operation is easy; the plastering operation becomes simple, dressing, plastering, levelling, straighting and aligning at the later period of construction are reduced; the wood plate use is eliminated, the fireproof performance is good, and the air pollution is avoided; and prefabricated connecting pieces are produced in the factories, so that the construction site is kept clean, the transportation and the grabage disposal cost are saved, the garbage disposal problem in ceiling decoration is reduced greatly, the human living environment is protected, and the field installation efficiency is improved.
Owner:马自力

Down pulling artificial tornado-driven generating set and method

The present invention discloses one kind of regenerable power source generating system, and is especially one kind of down pulling artificial tornado-driven generating set and method. The generating set includes mainly an intake gate, an air collecting pond, a spiral ridge air lowering pipeline, a wind regulating gate, a generator chamber, a vane wheel pipe, a wind exhaust pipe, an exhaust port and an exhauster. Principally, the present invention has large caliber spiral ridge air lowering pipeline to lead cold air downwards from steep mountain of 1000 m over height and rotate the downward airflow at high speed to form down pulling tornado and utilizes the powerful airflow to impact vane wheel of generator to produce electricity.
Owner:梁和平

Double-U-shaped smoke guiding pipe dedusting car of tamping coke furnace

The invention relates to a double-U-shaped smoke guiding pipe dedusting car of a tamping coke furnace, comprising car-body steel structure, a travelling device, smoke guiding pipes, an ascending tube operating device, an ascending tube sweeping device, an electronic control room, a hydraulic pressure room and a driver cab. The double-U-shaped smoke guiding pipe dedusting car is characterized in that the car-body steel structure forms framework of the whole car, two travelling beams are arranged at the lower part of a car body, the travelling device is installed on the car body, the driver cab is arranged at the lower part of the car-body steel structure, a platform at the upper part of the steel structure is provided with the smoke guiding pipe A, the smoke guiding pipe B, the electronic control room, the hydraulic pressure room, ascending tube operating device and the ascending tube sweeping device. The double-U-shaped smoke guiding pipe dedusting car has the advantages of simple structure, good dedusting effect, wide application region, strong seasonal applicability and good environmental protection effect. The smoke guiding pipe dedusting car is not needed to be provided with a furnace top dedusting ground station system and a combustion washing-type dedusting car with complicated structure, but utilizes the original gas system of the coke furnace to be switched with high-low ammonia water to lead the charged flue gas to be introduced into a gas collecting system in a controllable way through 1-3 channels by the smoke guiding pipe dedusting car, thus achieving the aims of recovering the gas, eliminating atmospheric pollution and protecting the environment of factory production and surrounding residents.
Owner:北京首钢机电有限公司

Preparation method of porous spongy graphene

The invention discloses a preparation method of porous spongy graphene. The preparation method comprises the following steps: putting graphite powder into a reaction vessel, adding concentrated sulfuric acid, sufficiently stirring and uniformly mixing, then adding ammonium persulfate, oxydol and thiocarbamide, and reacting at normal temperature to obtain spongy graphene; and putting the obtained spongy graphene in deionized water, soaking, and drying to obtain the porous spongy graphene. According to the invention, the porous spongy graphene is prepared from the graphite, concentrated sulfuric acid, ammonium persulfate, oxydol and thiocarbamide which are used as raw materials, wherein the ammonium persulfate and oxydol H2O2 can be decomposed to release ammonia gas and other gas in the reaction process, and some nitrogen / oxygen functional groups can be inserted between graphite layer molecular structures, so that the surface structure of the graphene is changed, thereby achieving high porosity and adsorption rate, being capable of adsorbing and eliminating pollutants in sewage, improving water quality of underground water, surface water and sewage, and protecting living and working environments; and the porous spongy graphene can adsorb various kinds of dye, oil and organic solvent.
Owner:碳为(北京)新材料科技有限公司

Environmental-friendly cleaning vehicle for roads

The invention discloses an environmental-friendly cleaning vehicle for roads. The environmental-friendly cleaning vehicle comprises a carrier, wherein a connecting plate is fixedly connected to the lower end of the carrier. The environmental-friendly cleaning vehicle for roads disclosed by the invention is simple in structure; and an external power source is switched on, and a motor is started, sothat an arc bevel gear is driven to rotate, a twisting rod vibrates up and down, further second mounting blocks rotate under the limiting effect of third supporting rods, extruding rods are continuously extruded up and down by a second rotating disk, under the effect of second springs, brushes vibrate, the contact area of the brushes and a road surface is increased, and the cleaning effect is improved. In addition, a first mounting block horizontally rotates, so that a first supporting rod horizontally rotates under the limiting effect of a second annular sliding groove, and a dust collectorhorizontally rotates; and the dust collector is started, so that the dust suction area is increased, dust is sucked in time, the road surface is completely cleaned, and the living environment of people is protected.
Owner:重庆赛通环卫有限公司

Industrial wastewater treatment system

The invention discloses an industrial wastewater treatment system comprising a wastewater storage groove (1), a corrosion resisting water pump (3), a filtering column (4), a first exchanging column (2) and a second exchanging column (7), which are connected in sequence according to a treatment flow, wherein the filtering column (4) is filled with resin white ball filtering mediums (8); the first exchanging column (2) and the second exchanging column (7) are internally provided with ion exchange resin filtering devices (9); and water inlets of the first exchanging column (2) and the second exchanging column (7) are connected with a regenerated liquid groove (5) through a combined valve pipeline (6). According to the industrial wastewater treatment system disclosed by the invention, opposite ions on active genes of ion exchange resin and same ions in a solution are subjected to position displacement, and heavy metals including chromium, copper, cadmium, zinc, gold, silver, palladium, platinum, rhodium, nickel and the like in electroplating wastewater and substances with greater toxin can be treated; and resin can be repeatedly used so that a lot of cost is saved.
Owner:永兴鑫裕环保镍业有限公司

Road roadbed material containing municipal sludge residues

The invention discloses a road roadbed material containing municipal sludge residues. The road roadbed material comprises gel materials and auxiliary materials, wherein the gel materials comprise, inpercent by mass, 75-100% of the municipal sludge residues and 0-25% of cement, and the auxiliary materials comprise 0-30% of sand, 8-20% of lime and 25-50% of water based on the mass percentages of the components of the auxiliary materials in the total mass of the gel materials. The municipal sludge residues are prepared through the step of performing pyrolysis on pretreated municipal sludge in anitrogen atmosphere at 300-900 DEG C so that the municipal sludge residues are obtained. The prepared roadbed material can be applied to road construction, the road quality is improved, and meanwhilethe budget of road construction is reduced; and furthermore, a new way is provided for resource recycled utilization of an increasing amount of municipal sludge, so that waste recycled utilization isachieved, and the living environment is protected.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Manufacturing method of environment-friendly leather

The invention relates to the technical field of synthetic leather, in particular to a manufacturing method of a leather material. The environment-friendly leather is prepared through compounding a polyurethane coating based on environment-friendly paper. The polyurethane coating is compounded on the environment-friendly paper through coating or release paper transferring, thereby obtaining the environment-friendly leather. The manufacturing method has the advantages of simple process and easy implementation. Moreover, no gas harmful to the human body is generated during the manufacturing process. Therefore, the manufacturing method achieves effects of energy conservation and emission reduction, has high social benefits and economic benefits, and helps promote the development of social environmental activities and the protection of the human living environment. The environment-friendly leather produced according to the method has the advantages of no toxicity, recyclability and easy decomposition, and can be oxidized and decomposed within a short period in the sunlight, ultraviolet rays and other natural environments with the sun and rain, and then return to the earth without generating any toxic gas or polluting any water source.
Owner:SHENZHEN XINGHUI SHENGYE TECH

Multi-stage crushing device for computer case

ActiveCN106902945AEffective recycling of crushedRealize turning back and forthSievingScreeningLeft wallComputer case
The invention relates to a crushing device, in particular to a multi-stage crushing device for a computer case. In order to solve the technical problems, the invention provides the multi-stage crushing device for the computer case, and the multi-stage crushing device can recycle a waste computer case and performs multi-stage crushing. The multi-stage crushing device for the computer case comprises a crushing box, a feeding hopper, a first bearing base, a first rotary rod, a spiral rod, a crushing knife and the like, wherein the left side of the top of the crushing box is connected with the feeding hopper; both the left wall and the right wall of the crushing box are uniformly connected with first bearing bases; first rotary rods are connected on the first bearing bases; screws are connected on the first rotary rods; and the first rotary rods are uniformly connected with the crushing knife. According to the multi-stage crushing device, the crushing box is firstly arranged, so that the waste computer case is introduced into the crushing box, and the crushing box is used for performing multi-stage crushing on the waste computer case; and a first filter screen with a plurality of screening purposes is used for filtering chippings.
Owner:ZHEJIANG HETAIXING CHEM FIBER CO LTD

Improved cooling tower with spraying device

The invention relates to an improved cooling tower with a spraying device, which is characterized in that: the improved cooling tower with the spraying device comprises a cooling tower body and the spraying device, wherein the spraying device is positioned at an upper middle part of the cooling tower body, the spraying device includes a plurality of spraying heads and a plurality of spraying pipes, the spraying heads cooperate with the spraying pipes, the plurality of spraying pipes are interconnected with output pipes, a plurality of spraying holes are arranged on the spraying heads, water manifolds are arranged under the spraying heads, a lower middle part of the cooling tower body is provided with a cooling tower sink, a bottom part of the cooling tower body is provided with an air intake, a top end of the cooling tower body is provided with an air discharging outlet, and side plates are arranged around inner walls of the cooling tower body. The improved cooling tower with a spraying device of the invention has the advantages of simple structure, convenient usage, good cooling effect, long service life, stable performance, reduced production cost, and increased working efficiency; in addition, the improved cooling tower with a spraying device of the invention can save energy, facilitate the environment protection, and protect the living environment.
Owner:徐晓红

Antistatic ceramic tile prepared from fly ash and preparation method thereof

The invention specifically relates to an antistatic ceramic tile prepared from fly ash and a preparation method thereof, belonging to the technical field of ceramic materials. The antistatic ceramic tile prepared from fly ash comprises a green body and a glaze layer. The green body is prepared from the following raw materials: feldspar, white mud, fly ash and composite conductive powder, wherein the composite conductive powder is composed of iron oxide and antistatic powder. The glaze layer is prepared from the following raw materials: potash feldspar, albite, dolomite, calcined talc, alumina, quartz, frit, kaolin and antistatic powder. The antistatic ceramic tile prepared from fly ash has excellent performance as a ceramic floor tile, is good in decorative performance and durable, can eliminate static electricity, achieves the effect of promoting human health and protecting living and working environment, saves resources and energy and reduces consumption.
Owner:山东电盾科技股份有限公司
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