67results about How to "Good environmental protection and energy saving effect" patented technology

The invention discloses a method for producing farm fertilizer by monosodium glutamate tail washings with a primary raw materials: monosodium glutamate tail washings containing a solid content of 8-50%, active sludge with an organic matter content more than 50%, sulphuric acid with a concentration of 90-98%, potassium chloride with a pureness of 95-98%, powdered monoammonium phosphate with a total nutrition of 55-60%, liquid ammonia. The potasium bisulfate is got by a reaction of potassium chloride and concentrated sulfuric acid. A mixing ammonium liquid is obtained by introducing the powdered monoammonium phosphate and active sludge into the monosodium glutamate tail washings. The mixing ammonium liquid mixes with the potasium bisulfate to form mixed acid. Slurry is produced by feeding the gas ammonia into the mixed acid for a neutralization reaction. The slurry produces the compound fertilizer of potassium sulfate style and organic-mineral compound fertilizers by spouting of stock, prilling and drying. The method can make the material fully mix and get an even slurry liquid with an excellent flowability which fits for the spouting of stock and prilling. Therefore, it may produce standard compound fertilizer containing organic matters and organic-mineral compound fertilizers in potassium sulfate style with a low, medium, high concentration.

The invention provides a graphitization technology of an Acheson furnace for producing anode materials, and belongs to the technical field of anode material preparation. The graphitization technology comprises the steps that a furnace base is paved with quartz sand and carbon in sequence, the upper portion of the carbon black is paved with petroleum coke, tamping is conducted, and the upper portion of the petroleum coke is pared with calcined coke; the anode materials are put in crucibles and arranged layer by layer till the requirement of a designed furnace core is met, the upper portion and the periphery of each crucible are paved with and filled with the calcined coke, the upper portion of the calcined coke and the space between a forming plate and a steel plate are paved with and filled with the petroleum coke, and the upper portion of the forming plate and the space between each furnace wall plate and the forming plate are paved with and filled with thermal insulation materials, after furnace charging is completed, a gas-collecting hood is additionally installed, energizing is conducted to raise temperature, and cooling and product discharging are conducted. By adopting the graphitization technology to produce the anode materials of lithium batteries, the graphitization degree of the products is higher, power consumption for obtaining each ton of the anode materials is reduced, the yield of carburant is doubled, cooling of a furnace body is rapid, product discharge is rapid, and the environmental protecting and energy saving effects are significant.

The invention provides a polyvinyl chloride loop route production system and a method, and belongs to the field of new coal chemical industry materials and the technical field of polymer material science and engineering, wherein oxygen-rich calcium carbide reacts in a high temperature reaction furnace to obtain calcium carbide and synthesis gas, the subsequent process is divided into two branches, one branch process is preparing acetylene from the calcium carbide, the other branch process is preparing ethanol from the synthesis gas, and then preparing dichloroethane through ethanol step, a closed loop is formed after the two branch reactions are completed and combined, both end products can be subjected to a reaction to prepare a vinyl chloride monomer, and the existing technology can be adopted to prepare the PVC from the vinyl chloride monomer. The system mainly comprises a solid raw material crushing and compounding device, a solid material conveying device, an oxygen-rich calcium carbide furnace, an oxygen-rich gas blowing device, a shell and tube constant temperature reactor, a fixed bed tubular reactor, a fluidized bed reactor, an acetylene generator with a heat exchanger, a fixed bed reactor, and a polymerization kettle reactor. The system and the method have the following advantages that: dependence of polyvinyl chloride production on petroleum resources is relieved, and mercury pollution is completely eliminated.

The invention relates to a comprehensive utilization method of arsenious waste hydrochloric acid. The method comprises the following steps of slowly adding the arsenious waste hydrochloric acid into an alkaline benzyl arsonic acid sodium mother solution to perform acid-base neutralization reaction to precipitate benzyl arsonic acid; enabling the precipitated benzyl arsonic acid to be subjected todehydration to obtain a benzyl arsonic acid product; preparing a sub-arsonic acid sodium solution by reusing a dehydrated arsenious waste solution through crystal desalination. The alkaline benzyl arsonic acid sodium mother solution is prepared through the following steps of enabling arsenic trioxide to react with an excessive sodium hydroxide solution to obtain sodium arsenite and then reacting with benzyl chloride to obtain the benzyl arsonic acid sodium mother solution. The invention creatively provides comprehensive utilization of the arsenious waste hydrochloric acid to produce the benzylarsonic acid, the arsenious waste hydrochloric acid is effectively treated, turning waste into wealth is achieved, comprehensive recycle is realized, not only can the environmental protection problembe solved, but also the economic benefit can be improved.

The invention discloses an energy-saving and water-saving flue gas treatment system. The energy-saving and water-saving flue gas treatment system has the advantages that a liquid storage unit is arranged in an absorption device of the energy-saving and water-saving flue gas treatment system, an inner cavity is divided into a first glue gas treatment zone and a second flue gas treatment zone by theliquid storage unit, flue gas can flow into the absorption device from the bottom of the absorption device and can be in countercurrent contact with concentrated solution sprayed from the top of theabsorption device, moisture in the flue gas can be absorbed by concentrated solution in the second flue gas treatment zone, the concentrated solution in the second flue gas treatment zone can be diluted, latent heat released in moisture phase change procedures can be separated out, and the glue gas and the concentrated solution can be heated until the temperatures of the flue gas and the concentrated solution reach 55-65 DEG C; heated concentrated solution can be led out via the liquid storage unit and can be fed into a first heat exchanger, heat exchange can be carried out on the heated concentrated solution and heat exchange media (such as heat network water), the heat exchange media can be heated by the temperatures of 3-10 DEG C, the concentrated solution can be cooled until the temperature of the concentrated solution is approximately consistent with the temperature of a solution inlet in the top of the second flue gas treatment zone, then the concentrated solution can be fed intothe first flue gas treatment zone, and moisture in the flue gas can continue to be absorbed; cascade heat exchange is adopted for the first time, accordingly, the heat exchange quality can be effectively enhanced, and sensible heat in the original flue gas and latent heat in water vapor of clean flue gas can be deeply recycled and can be utilized.

The invention discloses a desulfurization and white smoke elimination device. According to the device, a desulfurization section and an absorption section are sequentially arranged in a shell of a flue gas purification device from bottom to top, a liquid storage unit with a specific structure is arranged between the desulfurization section and the absorption section, a first spraying layer is arranged between the absorption section and the top end of the shell, and a second spraying layer is arranged between the flue gas inlet of the desulfurization section and the liquid storage unit. Flue gas enters the absorption section from the desulfurization section, and is in countercurrent contact with a concentrated solution or clear water sprayed at the top of the absorption section. In the heating season, the concentrated solution absorbs water in the flue gas and becomes thin, latent heat is released in a precipitated moisture phase change process to heat flue gas and saline solution, theheated solution is collected by the liquid storage unit, heat exchange is conducted through a first heat exchanger on the first circulation loop, the balance state in the absorption section is flexibly controlled through the amount of taken-away heat, sensible heat of raw flue gas and latent heat of purified flue gas water vapor are deeply recycled, the situation that in the prior art, a large number of cold sources are needed for flue gas cooling and condensation is avoided, and water resources are greatly saved.

The invention discloses a single-tower double-circulation energy-saving white smoke elimination device. According to the device, a desulfurization section and an absorption section are sequentially arranged in a shell of a flue gas purification device from bottom to top, a liquid storage unit is arranged between the desulfurization section and the absorption section, a first spraying layer is arranged between the absorption section and the top end of the shell, and a second spraying layer is arranged between the flue gas inlet of the desulfurization section and the liquid storage unit. Flue gas enters the absorption section from the desulfurization section, and is in countercurrent contact with a concentrated solution or clear water sprayed at the top of the absorption section. In the heating season, the concentrated solution absorbs water in the flue gas and becomes thin, latent heat is released in a precipitated moisture phase change process to heat the flue gas and saline solution,the heated solution is collected by the liquid storage unit, heat exchange is conducted through a first heat exchanger on a first circulation loop, the balance state in the absorption section is flexibly controlled through the amount of taken-away heat, sensible heat of raw flue gas and latent heat of purified flue gas water vapor are deeply recycled, the situation that in the prior art, a large number of cold sources are needed for flue gas cooling and condensation is avoided, and water resources are greatly saved.

The invention discloses a water fuel oxyhydrogen combustion-supporting boiler. The water fuel oxyhydrogen combustion-supporting boiler comprises a boiler body with a hearth, and further comprises a hydrogen and oxygen generating device which is fixed into the hearth and supplies hydrogen and oxygen to the hearth. The hydrogen and oxygen generating device comprises a hydrogen and oxygen generating chamber and a water storage chamber, the hydrogen and oxygen generating chamber is hollow, and a reaction space is formed inside the hydrogen and oxygen generating chamber. The hydrogen and oxygen generating chamber is provided with a first gas outlet communicated with the reaction space. A reaction table for containing a reaction catalyzer is arranged inside the reaction space. The water storage chamber is connected to the lower end of the hydrogen and oxygen generating chamber and provided with a water storage space communicated with the reaction space. The water storage chamber is provided with a water inlet communicated with the water storage space. The water fuel oxyhydrogen combustion-supporting boiler has the advantages that the fuel burn-off rate can be effectively improved, the burning heat efficiency is improved, harmful gas emission is reduced, the environment-friendly and energy-saving effects are remarkable, and the structure is compact.

The invention discloses a matching device using a fuel engine device for achieving environment friendliness and energy conservation. Drinking water in a reserve water tank is sprayed into a gas inletpipe of an engine in a mist form through a water pump via an adjustable nozzle, engine, gas and water are sufficiently mixed and combusted in an air cylinder, and environment friendliness and energy conservation are achieved through a physical reaction and a chemical reaction. In order to ensure that the matching device runs safely and smoothly, an accelerator of the engine is linked with the water pump through a starting switch. The reserve water tank has an alarming function when the water level is low, and has the automatic power off and alarming functions when not water exists. A special magnetized small water machine and an electromagnetic valve are sequentially installed between the nozzle and the water pump, and an environment-friendly additive added in the water tank has the watersoftening function. The lubricating function, the corrosion resisting function, the wear resisting function and the soft sealing function of the air cylinder are achieved, the service life of the engine can be prolonged, and improving of the environment-friendly and energy-conservation effects of the engine can be assisted. A proper amount of methyl alcohol is added into the water tank in winter so that it can be ensured that the system cannot be frozen forever. A quantum fuel atomizer is installed in a transplanting manner, and the environment-friendly and energy-conservation comprehensive effect can be improved. The matching device is simple in structure, low in cost, easy and convenient to install and operate and easy to popularize.

The invention discloses a novel glass plate, a manufacturing method thereof and a device employed in the manufacturing method. Where the novel glass plate comprises a glass plate body which is provided with a cavity; a hanging groove is arranged at one side face of the glass plate body in response to installation needs; the method comprises the following steps: 1. burdening, 2. melting, 3. moulding, 4. thermal treatment, 5. carrying out cutting finish machining according to actual needs to obtain an opacifying glass plate or a microcrystal glass plate with a cavity or with both the cavity and the hanging groove; the device employed in the manufacturing method is additionally provided with a moulding device on the basis of the previous device; the opacifying glass plate or the microcrystal glass plate feature excellent thermal insulation effect, obvious noise reduction function, noticeable environmental protection and energy conservation effect; in addition, compared with solid core plates of the same specification, the glass plates obtained in the invention consumes obviously reduced raw materials, reduces power consumption for glass plate thermal treatment, features convenient installation and construction and improves production efficiency and productivity effect.

The invention relates to a near-net shape forming manufacturing method for thrust collars of sliding bearings of automobiles. The near-net shape forming manufacturing method includes: utilizing a seamless steel tube as a steel lining back of a thrust collar of a sliding bearing, disposing backing materials of the steel lining back in a lower die of an axial swing grinding machine to be processed rotationally; during process, moving the lower die upwards for feeding, rotating an upper die of the axial swing grinding machine into an inner hole of a cut seamless steel tube by an eccentric swing angle ranging from 1.5 degrees to 5 degrees, pressing ends of the tube to deform locally by the upper die until the peripheral end of the integral steel tube deforms by continuously rotating, grinding the peripheral end to be a planar ring, and manufacturing the planar ring into the steel lining back of the thrust collar of the sliding bearing; sanding, removing dust and cleaning; paving a thin layer of copper alloy powder and sintering; grinding in a swing manner secondarily, and alloying and sintering secondarily to form the thrust collar. By the near-net shape forming manufacturing method for the thrust collars of the sliding bearings of the automobiles, the thrust collars of the sliding bearings of the automobiles can be manufactured in a lossless and near net shape forming manner, and utilization rate of metal materials can be improved. Besides, the near-net shape forming manufacturing method is lossless, few in processing procedures, low in manufacturing cost and fine in product quality and can realize near net shape forming.

The invention discloses a method for preparing an autoclaved aerated block with high tensile strength and low shrinking by using waste spinning flax materials. The method comprises the following steps: (1) preparing raw materials for standby, wherein the prepared raw materials comprises coal ash, furnace dregs, ardealite, waste ramie, concrete, lime, aluminum powder paste, additives and the like; (2) utilizing a PLC (programmable logic controller) system to add the prepared materials into a mixing blender for pouring, wherein the ratio of coal ash to furnace dregs to ardealite to concrete to lime is 59.67:10.53:3:5.5:21.3, the aluminum powder is 0.06%-0.07% of the total weight of dry materials and the waste ramie is 0.025%-0.04% of the total weight of dry materials; and stirring the raw materials, pouring the mixture into a mould, standing in a procuring chamber, cutting and forming by using a PLC turning cutter set, processing in an autoclaved kettle which takes pressure saturated steam as a medium to produce an environment-friendly autoclaved aerated block with high tensile strength and low shrinking.