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80results about How to "Convenient and harmless disposal" patented technology

Processing method of dead pigs based on microorganisms

The invention discloses a processing method of dead pigs based on microorganisms. The processing method comprises the following steps of: determining the size of a fermenting tank according to the cultivation scale; preparing rice husk, saw dust, rice bran, strains and water to prepare padding for the fermentation tank; excavating the padding to put the dead pigs from one end of the fermentation tank, wherein the distance from a pit to the ground of the bottom of the fermentation tank is 20cm; putting the dead pigs into the excavated underground tunnel while putting the dead pigs at an interval of 20cm of fermenting padding between layers of dead pigs; adding water to moisturize in the fermentation process, and turning the used area one time when the fermentation time is more than 6 days in summer and more than 10 days in winter. Organic matters such as the saw dust, the rice husk and the like are used as the padding; biological active bacteria are added to the padding; manual auxiliary raking is carried out, so that the dead bodies of the pigs and the padding are fully mixed; the dead bodies of the pigs are timely fermented, decomposed and transformed under the effect of the biological active bacteria in the padding. In addition, innocent treatment of the dead pigs is achieved; the environment is well protected.
Owner:王新福

Zero emission circulating system for sealing treatment of regenerated lead smelting tail gas

The invention discloses a zero emission circulating system for sealing treatment of regenerated lead smelting tail gas. A smelting furnace, a gravity dust collector, a bag type dust collector, a waterwashing dust collecting tower, an air compressor, a gas-liquid separator, an alkali washing desulfurizing tower and a circulating pipe are successively arranged according to a flowing direction of the smelting tail gas. By adopting multiple processes to collect dust first, carrying out pressurizing and liquefying to recover CO2 by means of a physical method, carrying out desulfurization and denitrification by means of a chemical method and finally, and supplementing O2 to residual gas to return to a smelting furnace, the smelting tail gas circulates in a closed system and is not discharge toair, so that the desulfurization cost is reduced greatly, the carbon recovery benefit is increased, and meanwhile, solid-liquid separation can be carried out to reduce lead dust residues by means of good solubility of a desulfurization product. The desulfurization product is treated harmlessly favorably. The process does not need high precision removal of sulfur and dust, so that the flue gas treatment difficulty is reduced greatly and the process is the most economical, cleanest and environment-friendly process.
Owner:JIESHOU JINGHUA TECH INFORMATION CONSULTING SERVICE CO LTD

Method of anti-leak treatment on petroleum drilling place by adopting composite geo-membrane

The invention discloses a method of anti-leak treatment on a petroleum drilling place by adopting a composite geo-membrane, relating to the technical field of adopting composite geotechnical materials to treat leakage of the petroleum drilling place. The method comprises the following steps of firstly, leveling the place; secondly, paving the composite geo-membrane; thirdly, paving a leakage pipeline: arranging the leakage pipeline at a position of easily having leakage; fourthly, paving a lime-ash stabilizing layer: with crushed stones, lime and fly ash as raw materials, paving the lime-ash stabilizing layer on the composite geo-membrane, wherein the lime-ash stabilizing layer comprise the following raw materials in percentage by weight, calculated by occupying the total volume of the raw materials: 8-10 percent of the lime, 10-12 percent of the fly ash and the balance of the crushed stones; and fifthly, paving a crushed stone surface layer: paving a 8-10cm crushed stone surface layer on the lime-ash stabilizing layer. By adopting the invention, waste mud and waste liquid of petroleum can be prevented from polluting the drilling place to enable idle land after drilling to be in second plowing, thereby having the effects of protecting land resources and lowering the land using cost.
Owner:CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD

Treatment device for poultry and livestock died of diseases

The invention discloses a treatment device for poultry and livestock died of diseases. The treatment device comprises a pre-heating mechanism, a mincing mechanism, a high-temperature sterilization mechanism and a containing mechanism, wherein the pre-heating mechanism comprises a pre-heating barrel; the pre-heating barrel is externally sleeved with a pre-heating cavity; the mincing mechanism comprises a mincing box; the mincing box is internally provided with a plurality of mincing roller groups which are used for mincing preheated poultry and livestock died of diseases into dregs sequentiallyfrom top down; each mincing roller group comprises two mincing rollers which are symmetrically arranged on the mincing box; a sterilization liquid nozzle is arranged on the top of the mincing box; the sterilization liquid nozzle is externally connected with a sterilization liquid storage cylinder; the high-temperature sterilization mechanism comprises a sterilization barrel which communicates with the mincing box; a spiral stirring paddle which is used for stirring the poultry and livestock died of diseases is horizontally arranged in the sterilization barrel; and high-temperature heating rods are arranged on two sides of the sterilization barrel. The device is reliable, practical, safe and convenient; the poultry and livestock died of diseases can be sterilized and minced thoroughly; andbetter innocent treatment for the poultry and livestock died of diseases is realized.
Owner:丁士兵

Biological-organic fertilizer capable of passivating soil heavy metals and preparation method thereof

The invention discloses a biological-organic fertilizer capable of passivating soil heavy metals, which is composed of microbial strains, a carrier and a culture medium, and livestock dung, wherein the microbial strains are prepared by a silicate microbial agent, an organic material decomposing agent, and a bioremediating inoculant in the microbial content rate of 1:1:0.25; the livestock dung is mainly cow dung, and on dry basis, the organic material is greater than or equals to 45%, and the moisture is less than or equals to 25%. The invention also discloses a preparation method for the biological-organic fertilizer. The preparation method comprises the following steps: using the microbial strains, the carrier and the culture medium to conduct prefermentation to prepare microbial flora sourdough with high activity and high density; then mixing the microbial flora sourdough with the livestock dung to conduct secondary fermentation to prepare the microbial high quality bio-organic fertilizer capable of passivating the soil heavy metals. The biological-organic fertilizer contains special strains, and can switch heavy metals of cadmium, arsenic and the like with higher activity in the ionic state in soil to heavy metals in the complexing state with lower activity; therefore the heavy metals absorption of crops is lowered, and the content of heavy metals in agricultural products is reduced.
Owner:中化农业生态科技(湖北)有限公司

Heavy metal waste slag treatment method and sulfur building material prepared thereby

The invention discloses a heavy metal waste slag treatment method and a sulfur building material prepared thereby. The method comprises: soaking heavy metal waste slag in solution of sodium sulfide to pre-vulcanize excessive heavy metal ions in the waste slag into metal sulfides; drying the metal sulfides, grinding the metal sulfides and sieving the ground metal sulfides with a 100 mesh sieve; mixing the powder with sulfur uniformly, adding gypsum slag into the powder and the sulfur to obtain a mixture; filling the mixture in a mold, and placing the mold in a heating furnace to heat the mold at 140 to 150 DEG C with constant stirring till the sulfur melts and the heavy metal waste slag turns viscous; and taking the mold out 20 to 40 minutes later, compacting the mixture in the mold, cooling the mold and removing the mold to obtain the sulfur building material. The method can prevent the damages of freely discharged industrial waste slag with high heavy metal content to the environment by covering the heavy metal slag with sulfur to make the sulfur building material; and thus, the harmless treatment of industrial heavy metal waste slag is realized, the heavy metal waste slag is recycled and the utilization rate of the heavy metal waste slag is improved. The extraction procedure toxicity of the prepared sulfur building material is in complete accordance with the standards of Identification Standard for Hazardous Wastes-Identification for Extraction Procedure Toxicity (GB 5085.3-2007). The method can be used for high, medium and low content heavy metal waste slag.
Owner:CENT SOUTH UNIV

Adsorption device capable of regenerating adsorbent on site and used for transformer oil regeneration

The invention discloses an adsorption device capable of regenerating an adsorbent on site and used for transformer oil regeneration. The adsorption device comprises a plate frame oil filter, a vacuum oil filter and a tank body provided with an oil inlet and an oil outlet. The adsorption device is characterized in that the tank body is internally provided with an upper filter screen and a lower filter screen; a middle filter screen I and a middle filter screen II are sequentially arranged between the upper filter screen and the lower filter screen; a decolorizing adsorbent layer is arranged between the upper filter screen and the middle filter screen I; a dielectric loss reduction adsorbent layer is arranged between the middle filter screen I and the middle filter screen II; a desulfurization adsorbent layer is arranged between the middle filter screen II and the lower filter screen; the tank body above the upper filter screen is provided with a detergent inlet; the bottom of the tank body is provided with a hot air inlet, and the top of the tank body is provided with a hot air outlet; the oil inlet is formed in the bottom of the tank body, and the oil outlet is formed above the upper filter screen. According to the adsorption device, degraded transformer oil can be comprehensively regenerated in the adsorption device, and a cleaning and heating device can be utilized for activating the adsorbent reaching adsorption saturation again, so that the adsorbent is recycled on site.
Owner:STATE GRID CORP OF CHINA +2

Aerobic composting waste heat power generation system and working method thereof

The invention relates to an aerobic composting waste heat power generation system and a working method thereof, and belongs to the field of organic solid waste resource utilization. The system comprises a waste collection device, a main composting reaction chamber, a waste heat power generation device and a tail gas collection device, wherein a heat conduction cover is arranged at the top of the main composting reaction chamber, the upper space of the main composting reaction chamber is a waste reactor body, the lower space of the main composting reaction chamber is a leachate collection device, a filter screen is arranged between the upper space and the lower space, and the main composting reaction chamber is further connected with an aeration device; the bottom of the heat conduction cover is connected with the reactor body through a heat conduction rod; a waste heat power generation device is installed on the upper surface of the heat conduction cover and is formed by connecting a plurality of semiconductor thermoelectric power generation pieces in series, wherein the electric energy generated by the semiconductor thermoelectric power generation pieces is transmitted to an electricity storage and supply device. According to the invention, heat can be recovered from organic wastes while the organic wastes are treated, and the problem of secondary pollution caused by excessivewaste heat of traditional compost is solved.
Owner:SHANDONG UNIV

Sterilizing device with position adjustable microwave generators

The invention discloses a sterilizing device with position adjustable microwave generators. The sterilizing device comprises a shell and a control device, wherein a feeding opening is formed in one side of the shell, and a discharging opening is formed in the other side of the shell, a rotating motor is arranged at the top of the shell, a timing device, a transmission device and a transmission motor are arranged in the shell, a fixing plate is arranged on the inner wall at the top end of the shell, a rotating rod is arranged on the fixing plate, a rotating plate is connected to the bottom end of the rotating rod, an infrared sensor is inlaid in the rotating plate, and the microwave generators are arranged at the bottom end of the rotating plate. The sterilizing device with the position adjustable microwave generators disclosed by the invention has reasonable design and high degree of automation, precisely adjusts the positions of the microwave generators, carries out pollution-free and more thorough disinfection and sterilization in a processing course and conveniently performs harmless treatment on livestock dead bodies and organic wastes in a large scale to effectively lower the pollution degree of a natural environment and improve the work efficiency.
Owner:ANHUI ZHONGSHANG MICROWAVE SCI & TECH CO LTD

Comprehensive recycle treatment method of waste liquid crystal display (LCD) secondary resources

The invention discloses a comprehensive recycle treatment method of waste liquid crystal display (LCD) secondary resources, which comprises following steps: (1) disassembling a waste liquid crystal display through methods of mechanical physical disassembly and electrostatic separation to obtain plastic parts, wire cables, liquid crystal glass base boards and polaroids; (2) dissolving the liquid crystal glass base boards in an organic solvent under a heating reflux condition to obtain the glass base boards being free of liquid crystal and the organic solvent containing the liquid crystal, and performing fractionation to the organic solvent containing the liquid crystal to collect the liquid crystal; (3) soaking the glass base boards being free of liquid crystal in a mixed solution composed of ammonia water and ammonium sulfate, and performing stirring and filtration to collect a filtrate and filter residues; and (4) performing micro-emulsion membrane method to the filtrate to extract indium, wherein the indium in the water phase after demulsification is extracted in a replacement manner and the micro-emulsion is subjected to heating regeneration treatment. The comprehensive recycle treatment method is beneficial to increase of recycle utilization rate and resource regeneration rate of the parts in the waste liquid crystal display, can maximumly achieve recycle and reuse of resources, and is significant in influence on environmental-protective economic and social benefits.
Owner:HUNAN TONGLI ELECTRONICS WASTE RECOVERING DISSEMBLING & UTILIZATION

Pathological tissue dehydrator with automated valve channel system

InactiveCN102645356AProtective Operations AnalystEasy to collectPreparing sample for investigationSolventParaffin wax
The invention relates to a pathological tissue dehydrator with an automated valve channel system, which comprises a working cylinder, three wax cylinders and a plurality of solvent bottles, wherein the three wax cylinders are respectively a first wax cylinder, a second wax cylinder and a third wax cylinder, output pipes of the first, second and third wax cylinders are respectively correspondingly provided with a first valve, a second valve and a third valve, the first, second and third valves are converged and communicated to an inlet of a three-position two-way reversing valve by pipes, an outlet of the three-position two-way reversing valve is communicated to the working cylinder by a pipe, the other inlet of the three-position two-way reversing valve is communicated with a rotary distributing valve by a pipe, a plurality of interfaces on the rotary distributing valve are respectively correspondingly communicated with the plurality of solvent bottles one by one, a rotating shaft of the rotary distributing valve is provided with a positioning plate, and the positioning plate is rotatablely connected with a stepping motor. According to the invention, paraffin waxes and other medicaments are separately supplied, and an effect of carrying out collection and harmlessness treatment on chemical volatile gases in other solvent bottles is achieved.
Owner:CHANGZHOU INST OF LIGHT IND TECH

Sorted-collection and recycling system for milking and milk-storing facility washing water

The invention discloses a sorted-collection and recycling system for milking and milk-storing facility washing water. The system comprises a milking machine end, a primary cooling heat exchanger, a milk storage tank, a cooling water tank, a refrigeration system, a hot-water supply tank, an acid-liquid supply tank, an alkali-liquid supply tank, an acid-liquid collection tank, an alkali-liquid collection tank and a hot-water collection tank; a milk outlet pipeline of the milking machine end passes through the primary cooling heat exchanger to the milk storage tank; and the hot-water supply tank,the acid-liquid supply tank and the alkali-liquid supply tank are connected to the milking machine end and the milk storage tank through a washing pipeline, a washing liquid outlet of the milk storage tank is connected with the acid-liquid collection tank, the alkali-liquid collection tank and the hot-water collection tank through a pipeline, and the acid-liquid collection tank and the alkali-liquid collection tank are connected to the washing pipeline through a pipeline. The system disclosed by the invention can realize recycling of acid and alkali liquids; and the hot-water collection tankcan collect washing hot water for washing a milk hall.
Owner:AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI

Milking and milk-storing system with waste-heat recovery and washing water sorted-collection functions

The invention discloses a milking and milk-storing system with waste-heat recovery and washing water sorted-collection functions. The system comprises a milking machine end, a primary cooling heat exchanger, a milk storage tank, a cooling water tank, a cooling system with a waste-heat recovery function, a hot-water supply tank, an acid-liquid supply tank, an alkali-liquid supply tank, an acid-liquid collection tank, an alkali-liquid collection tank and a hot-water collection tank; a milk outlet pipeline of the milking machine end passes through the primary cooling heat exchanger to the milk storage tank; and the hot-water supply tank, the acid-liquid supply tank and the alkali-liquid supply tank are connected to the milking machine end and the milk storage tank through a washing pipeline,a washing liquid outlet of the milk storage tank is connected with the acid-liquid collection tank, the alkali-liquid collection tank and the hot-water collection tank through a pipeline, and the acid-liquid collection tank and the alkali-liquid collection tank are connected to the washing pipeline through a pipeline. The system disclosed by the invention can realize recycling of acid and the alkali liquids; and the cooling system with the waste-heat recovery function is adopted, heat in milk can be finally moved to effluent of a condenser, and the heat is stored into a waste-heat recovery storage tank, so that thermal resources are saved.
Owner:AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI

Leakage-proof leak-stopping filler

InactiveCN110734748AStrong filling and sealing abilityEasy to fillDrilling compositionPorosityAluminium hydroxide
The invention discloses a leakage-proof leak-stopping filler. The leakage-proof leak-stopping filler comprises the following raw materials in parts by weight: 6 to 15 parts of aluminum hydroxide, 8 to20 parts of silica powder for ceramic, 10 to 25 parts of talcum powder, 4 to 10 parts of sodium silicate, 10 to 20 parts of nano calcium carbonate, 2 to 10 parts of superfine calcium carbonate, 4 to20 parts of bluestone powder, 2 to 8 parts of graphite, 2 to 10 parts of white asphalt and 3 to 10 parts of calcium oxide. The preparation method comprises the following steps: sequentially adding thesubstances into a container according to the parts by weight at normal temperature and normal pressure, uniformly mixing and stirring, and drying, crushing or sieving to obtain a granular product with the particle size of 0.05-0.8 mm. The raw materials are widely available; both physical filling and chemical micro-coagulation effect are realized; the leakage-proof leak-stopping filler can be dissolved in liquid, and enter into micro cracks along with liquid phase to form micro-gel, so that filling effect is improved; gel filling of stratums with different porosities is realized, so that the coagulation performance is improved, the problem that introduction of large particles is impossible, and retention of small particles is impossible is solved; plugging success rate is increased; wide applications in petroleum and geological drilling process are realized, and the leakage-proof leak-stopping filler is particularly suitable for being applied to fractured hard stratums and sandstone stratums.
Owner:山东华越天成石油技术有限责任公司

Method for dehydrating waste drilling mud on the basis of Fenton oxidation destabilization and scale adsorption weighted coupling

The invention discloses a method for dehydrating waste drilling mud based on Fenton oxidation instability and scale adsorption weighted coupling. The method comprises the following steps: 1) oxidizingand destabilizing the waste drilling mud by using a Fenton reagent mainly composed of concentrated sulfuric acid, ferrous sulfate and hydrogen peroxide then regulating the pH value through calcium oxide to promote polymerization of ferric sulfate and ferric hydroxide and aggregation and deposition of calcium sulfate scale crystals on the surfaces of clay particles so as to realize weighting and flocculating settlement of the clay particles in the mud, so that destabilization dehydration of the waste drilling mud is finally realized. On the basis of fully considering the characteristics of high organic matter content, uniform clay dispersion, stable suspension system, high gel breaking instability difficulty, light clay particle weight, difficulty in sedimentation and the like of the wastedrilling mud, the invention provides an efficient instability dehydration method integrating oxidation destabilization, clay particle weighting and polymerization sedimentation of the waste drillingmud.
Owner:XI'AN PETROLEUM UNIVERSITY +1

Road concrete prepared from waterworks sludge powder and coral fine aggregate

The invention discloses road concrete prepared from waterworks sludge powder and coral fine aggregate. The road concrete comprises the following components in parts by weight: 370-430 parts of cement,36-43 parts of waterworks sludge powder, 570-590 parts of river sand, 36-46 parts of coral fine aggregate, 1120-1170 parts of broken stone, 4-16 parts of quicklime powder, 1-4 parts of gypsum powder,166-183 parts of water and 5-9 parts of water reducing agent, wherein the water-binder ratio is 0.35-0.45. According to the invention, waterworks sludge powder is used as a mineral admixture to replace part of cement, and quicklime powder and gypsum powder are doped to further stimulate and improve the activity of the waterworks sludge powder; and coral fine aggregate is used for replacing part of river sand, aggregate grain composition and the 'micro-pump' effect of the coral aggregate are further improved, the local water-binder ratio of the aggregate surface can be adjusted, and the performance of concrete for roads is improved. The concrete for the road is prepared from the perspective of optimal design of cementing materials and aggregates, so that the performance of the concrete isimproved, the high-added-value green application of sludge powder and coral fine aggregates of waterworks is facilitated, and the comprehensive benefit is high.
Owner:SHAOXING MUNICIPAL DESIGN INST +1

Device for extracting fiber glass from non-metallic material of waste printed circuit boards and industrialized production process

The invention discloses a device for extracting fiberglass from the nonmetallic materials of a waste printing circuit board as well as an industrial production technique. The device is connected with an electric heater (2), a fluidized bed reactor (5), a first grade cyclone separator (6), a second grade cyclone separator (7), an intermediate frequency heater (3) and a B draught fan (8) in sequence from an A draught fan (1) to a liquid dust remover (9); a feed device (4) is arranged on the fluidized bed reactor (5). In the technique for extracting fiberglass from the nonmetallic materials of awaste printing circuit board, firstly high temperature thermal decomposition is carried out in the fluidized bed; then multi-grade separation is carried out in the cyclone separator for obtaining thefiberglass; then high temperature decomposition is carried out on a gas product in the intermediate frequency heater; finally, a sharp quenching lye absorbing treatment is carried out; the technique can effectively push and promote the broad utilization of the nonmetallic materials in the waste printing circuit board. The fiberglass extracted by the industrial production technique can be used formanufacturing the compound materials of various fiberglasses for realizing the recycling of the nonmetallic materials of the waste printing circuit board with high added value.
Owner:BEIHANG UNIV +1

Organic solid waste pyrolysis and gasification system and method

The invention provides an organic solid waste pyrolysis and gasification system and method. The system comprises a feeding hopper, a shaftless screw feeder, a rotary gasification kiln, a combustion chamber, a high-temperature air preheater, a slag cooler, a high-temperature dust removal net, a pyrolysis gas fan, an ignition combustion-supporting oil pump, a combustion-supporting fan, a purification system and a gas storage tank. The feeding hopper, the shaftless screw feeder, the rotary gasification kiln and the combustion chamber are connected in sequence; the high-temperature air preheater and the slag cooler are connected at the bottom of the combustion chamber; the high-temperature dust removal net is arranged at the inlet end of the rotary gasification kiln, the rotary gasification kiln is connected with the pyrolysis gas fan, one path of an outlet of the pyrolysis gas fan is connected with the pyrolysis gas connector, and the other path of the outlet of the pyrolysis gas fan is sequentially connected with the purification system and the gas storage tank; and the combustion-supporting fan and the ignition combustion-supporting oil pump are respectively connected with the combustion chamber. Compared with the prior art, the rotary gasification kiln and the high-temperature dust removal net are integrally combined, and the investment cost of the pyrolysis gas purification system can be effectively reduced.
Owner:YONKER ENVIRONMENTAL PROTECTION
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