63results about How to "Save on processing fees" patented technology

The invention discloses a full tailing filling method in large goafs, which is realized by the technical scheme with the following steps: dividing the combination of relatively independent and adjacent single or a plurality of goafs (6) into a filling unit; building a sealed wall (8) on a tunnel (7) at the periphery of the goafs (6) of the filling unit, arranging a drain pipe (9) in the wall body of the sealed wall (8), and arranging an ore pulp valve (10) on the drain pipe (9); laying a tailing conveying main pipe (3) above the filling unit through an adit (2) above the goafs (6); connecting each upper opening of the filling unit to one or a plurality of hydraulic sand filling pipes (4) through the tailing conveying main pipe (3); and discharging sand at high levels, discharging water in different middle sections, and filling alternately. In the invention, full tailings are used for filling the existing goafs, thereby eliminating the potential safety hazards of the goafs, ensuring the normal production of large deep well mines, saving the treatment cost, the tailing stockpiling and land acquisition cost and the drainage cost of the goafs, realizing the purpose of less-waste and no-waste exploitation, and taking an demonstration effect on constructing ecological mines.

The invention discloses a preparation method of an active glass powder mixture material and belongs to the field of building materials. In the invention, active glass powder in the grade of 50 [mu]m is used for replacing cement in a concrete mixture material, and with proper additives, concrete satisfying corresponding standard is prepared by means of material blending of the active glass powder with other sand, pebble and water reducing agents according to a reasonable ratio. The method can consume domestic waste glass at large quantity with the addition amount being 1:(3-7), so that performances of concrete are improved, thereby turning the waste glass into useful resources. The method can save cost and protect environment. Strength of the prepared concrete can satisfy national standard completely and satisfy the requirement in C15-C40 grades. The concrete is excellent in durability. The preparation method is simple, is low in cost, allows large-scale production at various regions and different weather conditions, and is greatly improved in operability and reduced in enterprise cost.

The invention relates to an insulation board of a concrete exterior wall, in particular to the insulation board of the concrete exterior wall at a heat bridge part, which is used in match with the exterior wall body constructed by energy-saving insulation building blocks. The invention is prepared by the following steps: raw materials are mixed, molded by extrusion to obtain the insulation board molding product which is subjected to steam curing and drying to obtain the insulation board molding product of the concrete exterior wall; the invention is characterized in that: before the invention is molded by extrusion, steel mesh is put into the raw materials followed by being molded by extrusion to be the insulation board molding product; the raw materials comprise the following components according to weight percentage: 235-242 parts of silicate cement, 65-67 parts of expanded perlite, 43-45 parts of ceramsite, 80-83 parts of slag, 4-2 parts of plant ash, 1.5-2 parts of wool felt fiber, 0.5-1.0 parts of cloth fiber, 0.5-1.0 parts of bamboo fiber and 94-96 parts of water. The invention has good insulation property, can effectively reduce the heat bridge effect of the exterior wall constructed by energy-saving insulation building blocks, has high breaking strength and can have the same service life with the exterior wall constructed by insulation blocks.

The invention relates to a medicine leached residue or food residue boiler combustion treatment system. The medicine leached residue or food residue boiler combustion treatment system includes a residue storage tank, a dewatering machine, a drying machine and a boiler; the residue storage tank is installed at the inlet of the system; a spiral conveyer is installed in the residue storage tank; waste is transported to a sorting machine through the belt of the spiral conveyer, and then passes through the squeezing dewatering machine, and enters the drying machine so as to be dried; dried materials are sent to the boiler through a belt and a feeding device so as to be combusted; the top of the drying machine is provided with a feeder and an air inlet; the air inlet is connected with one end of a smoke pipe; and the other end of the smoke pipe is communicated with the combustion chamber of the boiler, so that part of high-temperature hot smoke in the combustion chamber of the boiler can be led to the drying machine so as to be adopted as a heat source for drying the materials. With the system adopted, wet waste can be dried and combusted, and heat energy generated in the combustion of the waste can be utilized to provide a heat source for the drying machine and the boiler, and therefore, the system is convenient to use, and waste treatment fees can be decreased, and the occupation of farmland can be avoided, and pollution to the environment can be avoided, and ecological environment protection and people's health can be benefitted. The medicine leached residue or food residue boiler combustion treatment system is suitable for being applied to traditional Chinese medicine or food production enterprises.

The invention relates to a high efficient complex enzyme sewage treatment process which is carried out according to the following steps: (1) massive grains such as suspended substances in sewage are removed through a grid, and then the sewage enters a regulating reservoir; (2) the sewage in the regulating reservoir enters a high efficient complex enzyme catalyzing-membrane bioreactor device; (3) the sewage passes through a membrane module of the high efficient complex enzyme catalyzing-membrane bioreactor device, and clear water penetrates through the membrane module and flows out; (4) a concentrated solution which cannot penetrates through the membrane module enters a biological processing part again so as to be further catalyzed and deteriorated; and (5) the steps are repeated till the processed water reaches the reuse water discharging standard. The invention also relates to a high efficient complex enzyme sewage treatment device. The process and the device makes up the detects of the current MBR process, such as membrane pollution, high expense, and the like, and can rapidly deteriorate pollutants, rapidly and high efficiently purify the sewage, achieve good treatment effect and greatly lower the running cost for sewage treatment.

The invention discloses a method for the resourceful treatment and utilization of the municipal sludge. The invention is that the municipal sludge with 75 percent to 85 percent water content with the coal powder is grinded by a wet ball mill to obtain the mixing granules which accord with the gradation requirements; and the coarse product of the sludge coal water slurry is produced through the addition of the water and dispersant agent according to the technical proportion; the stabilizer is added after 10 minutes standing of the slurry; and the finished product of the sludge coal water slurry is produced, which is in accordance with the GB/T18855-2002 Coal Water Slurry Technical Condition; the finished product of the sludge coal water slurry is transported to the coal water slurry boiler, which is burned as the fuel for the treatment and utilization of the municipal sludge. The slurry production technique is simple, which suits for the industrialized mass production; the product is suitable for the common coal water slurry boiler, which replaces part of the using coal and using water of the coal water slurry while effectively utilizing the heat value of the sludge. The invention can save the coal resource and the water resource, which is an economical and mature on the technology method for the resourceful treatment and utilization of the municipal sludge.

The invention relates to a method for preparing sulphur black dye and sodium thiosulfate from sulphur dye waste water, which comprises the following steps: heating sulphur dye waste water, then mixing the sulphur dye waste water with 2,4-dinitrochlorobenzol, adjusting the PH value of the mixed solution with alkali, and carrying hydrolysis reaction; mixing and stirring the sulphur dye waste water, the sodium thiosulfate and sulfur, and heating the mixture for carrying out polysulfide reaction; mixing the mixed solution of the hydrolysis reaction and the mixed solution of polysulfide reaction for sulfofication reaction, and after the reaction is finished, introducing air for oxidation reaction to obtain mixed mother solution; filtering the mixed mother solution to obtain sulphur black dye grains, and drying, grinding and blending the sulphur black dye grains to obtain commercial sulphur black dye grains; and condensing, decoloring, crystallizing, drying and screening the filtered mixed mother solution to obtain the sodium thiosulfate. The method can effectively treat sulphur dye waste water, not only solve the problem of sewage treatment, but also save large amount of clean water.

The invention relates to a method for recovering soybean protein from soybean whey waste water. The method comprises the following steps: (1) adjusting the pH of the soybean whey waste water to be alkaline and then concentrating; and (2) adjusting the protein concentration of the legumelin concentrated liquid concentrated in the step (1) to 12 to 16 percent and spray-drying to obtain he soybean protein powder. The method provided by the invention can guarantee safe discharge of the waste water, can realize complete utilization of resources and has important economic effect and social benefit.

The invention discloses a method for treating printing and dyeing wastewater by adopting abandoned straw. Firstly a polysaccharide compound is adopted for treating the abandoned straw, and the abandoned straw is chemically modified; then the modified abandoned straw is adopted for adsorbing the printing and dyeing wastewater. According to the method for treating the printing and dyeing wastewater by adopting the abandoned straw, a new printing and dyeing wastewater treatment technology is designed by utilizing the abandoned straw, so that dye molecules in wastewater are quickly attached to the abandoned straw under the adsorption action, and quantity of abandoned dye in dyeing wastewater and content of chemical substances in the dyeing wastewater are obviously reduced. By adopting the method for treating the printing and dyeing wastewater, wastewater treatment cost is greatly reduced and for printing and dyeing mills.

The invention discloses a supplementary cooling device and a supplementary cooling method of an air-cooling power generator, which are capable of enabling the air-cooling power generator to generate power with full load at high-temperature weather. The device comprises an air-cooling power generator, a cool air production device, a cool air passage, an air blower and a power generator air inlet temperature-humidity gauge, wherein the cool air production device is installed outside an air-cooling power generator air chamber, one end of the cool air passage is communicated with an air outlet of the cool air production device, the other end of the cool air passage is communicated with an air compensation port, the air blower is installed inside the cool air passage to be close to the air compensation port, the power generator air inlet temperature-humidity gauge is installed on an air inlet passage of the power generator to be close to a rotor, and an overhauling hole is provided with a hot air exhaustion door which can be opened and closed. Due to the adoption of the device, cool air produced by the cool air production device can be blown by the air blower into the air inlet passage of the power generator through the cool air passage via the air compensation port, so that the air inlet temperature can be reduced, the heat of a power generator stator coil can be adequately radiated, and the power generator can be operated at a full load at the high-temperature weather.

The invention discloses a hazardous waste harmless incineration system with low energy consumption. The system adopts a plurality of latest energy-saving combustion technologies and energy-saving consumption reduction measures, optimizes on the whole, and well solves the energy-saving consumption reduction problem of the hazardous waste harmless incineration system. A unique gasification inner container of a solid and liquid waste gasification incineration unit ensures that hazardous solid and liquid wastes are pyrolyzed and gasified under the low-temperature oxygen debt condition; and the novel heat accumulation incineration manner of a gas waste incineration unit ensures that pyrolysis gas and hazardous gas waste are cleaned thoroughly and incinerated for discharge within the controlling index of national standard. The special system structure uses the high temperature heat generated in cleaning and incineration for pyrolysis and gasification, thereby facilitating energy conservation; the system also can select an oxygen enrichment combustor equipped with oxygen enrichment combustion-supporting wind supply equipment, so as to effectively increase the incineration temperature and reduce the combustion-supporting air amount; a waste heat recovering unit further can provide hot wind combustion support for incineration; therefore, the measures can effectively reduce the auxiliary fuel consumption, lower the energy consumption, and reduce the cost for treating hazardous wastes, and further the popularization and the application of the system are facilitated.

The invention relates to a new sludge dewatering method used in waste paper de-inking technology. It includes the following steps: diluting sludge, storing in sludge storage pool, entering gravitational bed, auger delivery, screw press, sludge discharging; adding cationic polyacrylamide in entering gravitational bed; separating and water discharging in gravitational bed and screw press. Its feature is adding 600-800mg/L concentrated sulfuric acid in sludge storage pool which can increase gravitational bed processing effect, reduce 95% suspended matter in filtrate, cut down dissolubility CODcr1100mg/L, thereby omit air floatation and chemicals to make the filtrate discharge directly, make sludge self draining concentration reach 18-20% that one times higher than original method after processing by gravitational bed, reduce pollutant handing cost, has considerable annual economic benefit.

The invention relates to a production method of N, N-bis (2-sulfonic acid ethyl)-1-alkylamine, wherein N, N-bis (2-sulfonic acid ethyl)-1-alkylamine is a core raw material for synthesizing a surfactant N, N-bis (2-sulfonic acid ethyl)-1-alkylamine disodium salt. The invention mainly solves the problem of finding a simple, convenient and environment-friendly synthesis method. The method comprises the following steps: reacting a by-product N, N-bis (2-sulfonic acid ethyl) amine generated in a taurine production process with 1-chloralkane under an alkaline condition to directly obtain N, N-bis (2-sulfonic acid ethyl)-1-alkylamine disodium salt, and acidifying to obtain N, N-bis (2-sulfonic acid ethyl)-1-alkylamine. According to the method, the raw material N, N-bis (2-sulfonic acid ethyl)-amine is a by-product caused by the problems of condition control and the like in the production process of taurine, and is convenient and easy to obtain, the reaction condition is mild, and the method is suitable for industrial production.

The invention discloses a heavy metal recovery process for treating low-concentration plating heavy metal wastewater. The process comprises the following steps: pumping unpretreated low-concentrationheavy metal wastewater into membrane treatment equipment by a pump, wherein the wastewater contains heavy metal ions, COD (Chemical Oxygen Demand), NH4 and complexes, and the filtering precision of the membrane is 0.01 micron; removing suspended solids, colloid and organic matters, enabling membrane equipment effluent to enter heavy metal adsorption equipment to adsorb copper ions, washing out heavy metal ions by acid regeneration after the adsorbed filter material is saturated, enabling regenerated liquid to enter metal electrolysis equipment to be electrolyzed into sheet metal to be recovered after the ion concentration reaches a certain number, returning the electrolyzed regenerated liquid to recycle, adding a new acid to supplement when the concentration is not enough, regulating the pH value of the adsorption equipment effluent to 7-8, and performing biochemical treatment to remove the heavy metals. According to the wastewater treatment process, since the heavy metals are removedby adopting an adsorption method, the amount of heavy metal sludge is reduced, the sludge treatment cost is saved, and valuable metals in the wastewater are recovered, so that recycling is realized, and the whole wastewater treatment cost is saved.

The invention discloses a wet material boiler combustion treatment system with two sets of drying devices and belongs to the technical field of environmental protection. The wet material boiler combustion treatment system comprises two sets of drying devices and a boiler; the two sets of drying devices are composed of an initial drying device and a secondary drying device; the initial drying device is composed of a storage bin, an auger conveying belt, a refiner, a squeezing and draining machine, a rotary drum drying machine and a switching auger, which are sequentially connected through pipelines; the secondary drying device is composed of an air blower, a heat exchanger, an air flow drying machine and a dry material bin, which are sequentially connected through pipelines; and dried materials are conveyed into the boiler through an auger feeding machine to be incinerated. Through adoption of the system disclosed by the invention, wet garbage can be dried and then combusted, and meanwhile, thermal energy generated by garbage combustion provides a heat source for the boiler and the drying machines, so that the use is convenient, the garbage treatment cost is reduced, in addition, farmland occupation and environment pollution are avoided, ecological environment protection and physical health of human are facilitated and the system is suitable for being used by enterprises having wet garbage, especially suitable for being used by traditional Chinese medicine or food production enterprises.