38results about How to "Reduce pollution and other issues" patented technology

The invention discloses a novel electrostatic precipitation insulation device which mainly solves the problems of easiness for dust stratification, moisture condensation, crack and the like of the inner wall of a porcelain insulator. The device comprises support plates, a cathode frame and a cathode connection shaft; the lower end of the cathode connection shaft is connected with the cathode frame; the upper part of the cathode connection shaft is penetrated through the two layers of the support plates, and the tail end of the cathode connection shaft is fixed on the upper support plate; a compression spring is fixed between the two layers of the support plates; two insulating support shafts are fixed at the bottom of the lower support plate and located at two sides of the cathode connection shaft; a fixed steel plate is fixed at bottoms of the insulating support shafts; a semicircle polyfluortetraethylene plate is respectively arranged at the bottoms of the two insulating support shafts; and the semicircle polyfluortetraethylene plates are clamped at the outer side of the cathode connection shaft. The electrostatic precipitation insulation device disclosed by the invention is used for effectively solving the problem of electric insulation breakdown under a damp condition and is widely suitable for electrostatic precipitation in industries such as metallurgy, chemical engineering, electricity building materials and the like.

The invention discloses a protein product capable of fixing a target object and being cleared as required. The protein product comprises proteins (lysozyme, bovine serum albumin, whey albumin, insulin, alpha-lactalbumin, fibrinogen, ribonuclease A, cytochrome c, alpha-amylase, horse radish peroxidase, pepsase, myoglobin, collagen, keratin and the like), a protein modifier (a strong oxidant or a strong reducing agent), target fixtures (a coating, a pesticide, a chemical fertilizer, a cosmetic, a medicine and the like) According to the protein product, the target fixture is fixed on the surface of the target by using a protein membrane generated by phase transformation of the protein, so that the utilization rate of the target fixture is improved, and the problems of resource waste, environmental pollution and the like caused by loss of the target fixture are reduced. In addition, as the protein film is decomposed, the target fixture is also effectively removed. The protein serving as the main component is safe and environment-friendly, the biocompatibility is high, the preparation method is simple, and the method has a wide prospect in practical application.

The invention belongs to the technical field of chemical preparations, and particularly relates to a preparation method for electronic-grade triglycidyl isocyanurate. The method specifically comprisesthe following steps: uniformly mixing cyanuric acid, epoxy chloropropane, organic strong base and water, reacting for 1.5 h at 75-80 DEG C; heat-insulating for 1 h at 100 DEG C; in vacuum, 35-40 DEGC, adding sodium hydroxide; vacuum-unloading, removing a solid phase, adding clear water to mother liquor, stewing and removing superstratum saline water; in vacuum, 60-70 DEG C, evaporating a part ofepoxy chloropropane from the substratum mother liquor; placing a distilled material in a crystallization kettle, stirring, at 8-10 DEG C, and removing a liquid phase; decompressing the solid phase, and microwave-drying, to obtain a final product. The catalyst is the organic strong base which does not contain halogen, and the final product has not a halide ion residue. A cyclization process is alkalified in vacuum, so epoxy chloropropane hydrolysis caused by alkaline water and a by-product produced by TGIC cycle opening are avoided. The technical scheme of the preparation method is used, so the product quality is apparently improved, the product cost and the energy consumption are greatly reduced, and the environment is friendly.

The invention discloses a method for recycling an electrolyte substrate waste material of a molten carbonate fuel cell. The method comprises the following steps of: (1) drying the electrolyte substrate waste material in a drying oven for 5 to 10 hours, and volatilizing an organic solvent in an electrolyte substrate; (2) cutting the electrolyte substrate waste material into fragments, adding a proper amount of absolute ethanol, and soaking for 5 to 10 hours; (3) supplementing an organic solvent of which the component and the mass are the same as those of the organic solvent volatilized from the electrolyte substrate in the step (1), and performing ball milling; and (4) after the ball milling is finished, performing vacuum pumping and the like on the obtained slurry, performing curtain coating to prepare a membrane, and thus obtaining a new electrolyte substrate which can be utilized. By the method, the substrate waste material is effectively utilized, energy sources are saved, and environmental pollution is reduced.

The invention provides an inductance coupling apparatus used for exciting and maintaining plasma in a technical cavity. The inductance coupling apparatus comprises an inductance coupling coil arranged in the technical cavity, a radio frequency power supply connecting with the inductance coupling coil and a voltage regulating power supply. In a technical process, the voltage regulating power supply loads positive bias to the inductance coupling coil to reduce even eliminate negative self-bias near the inductance coupling coil, problems that the inductance coupling coil is consumed in the technical process, wafer pollution is generated and the like are avoided. The invention also provides plasma processing equipment applying the above inductance coupling apparatus.

The invention belongs to the field of utilization of non-traditional resources in the field of environmental protection and discloses a hot-recycling asphalt mixture containing non-traditional oil. The hot-recycling asphalt mixture is characterized by being prepared from a waste asphalt mixture, new aggregate, new asphalt and a non-traditional oil regeneration agent, wherein the waste asphalt mixture accounts for 30%-60% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent, the new aggregate accounts for 38%-68% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent, and the new asphalt accounts for 1%-2% of the total mass of the waste asphalt mixture, the new aggregate, the new asphalt and the non-traditional oil regeneration agent; the non-traditional oil regeneration agent accounts for 1%-3.5% of the mass of waste asphalt in the waste asphalt mixture. The implementing process of the mixture is simple, the regeneration effect is good, and the hot-recycling asphalt mixture is economical and environment-friendly.

The invention discloses an export condensation and recovery purification method for the coke oven raw gas of coal gangue pyrolysis gasification. The method includes the steps of: (1) providing a heat source for coal gangue pyrolysis gasification by heat storage and exchange and alternate combustion of purified coal gas; (2) letting carbon in a coal gangue pyrolysis solid product encounter superheated steam to undergo a water gas reaction so as to generate water gas; (3) exporting coke oven raw gas; (4) spraying ammonia water on the exported coke oven raw gas to lower the temperature so as to form a mixed solution of coal tar and ammonia water; (5) subjecting the mixed solution of coal tar and ammonia water to precipitation separation; (6) leaving the cooled coke oven raw gas to active coke adsorption, applying the adsorbed clean gas to storage or combustion, and subjecting saturated active coke to evaporation regeneration; and (7) fractionating evaporation regenerated light oil, crude benzene, a three-oil mixture, anthracene oil and other ingredients. The method provided in the invention recovers and purifies the coke oven raw gas in coal gangue pyrolysis gasification, realizes extraction and utilization of carbon, oil, gas and other substances in the coke oven raw gas, and has good economic value.

The invention discloses a guide, condensation, recovery and purification device of a raw gas of coal gangue pyrolysis and gasification. The guide, condensation, recovery and purification device comprises a coal gangue pyrolysis and gasification device including a coal gangue pyrolysis device and a water gas reaction device, a raw gas guide device, a raw gas condensing device and a raw gas recovery and purification device, wherein the raw gas guide device comprises a raw gas concentration chamber, an inner guide channel, an outer guide channel, a main guide channel and an annular guide channel; the raw gas condensing device comprises a condensing shell, a regulating wheel, a screw thread regulating rod, a valve cover, a valve seat, a gas collecting pipe and an aqueous ammonia spray head; the raw gas recovery and purification device comprises a coal tar and aqueous ammonia mixed gas-liquid guide pipe, a coal tar and aqueous ammonia precipitation tank, an air cooler, a coal gas blower set, a dry recycler of active coke, a bucket elevator of the active coke, a regenerator of the active coke, a rectification tower and an oil-and-gas air cooler; the raw gas guide device is communicated with the raw gas condensing device; and the raw gas condensing device is communicated with the raw gas recovery and purification device. The guide, condensation, recovery and purification device can recover and purify the raw gas so as to facilitate utilization.

A kind of natural concentrated dietary fiber and preparation method thereof, described natural concentrated dietary fiber is that the pine bark that is rich in dietary fiber is crushed and sieved, soaked in water, drains waste water after soaking, and then transfers the soaked pine bark To the reactor, add water to obtain the pine bark mixed liquid, carry out ultrasonic-assisted enzymolysis treatment, drain the liquid after enzymolysis, then insert the enzymolysis material into Lactobacillus plantarum HKB‑38 for fermentation, and ferment the fermented The material is subjected to high temperature and high pressure heat treatment, cooled and dried to obtain natural concentrated dietary fiber. The invention also includes a preparation method of natural concentrated dietary fiber. The invention selects pine bark with low price and abundant resources as the production raw material, greatly reduces the production cost, makes full use of resources and creates high added value. The invention significantly improves the purity of the dietary fiber and the swelling and water holding capacity of the fiber product. Experiments have proved that in the concentrated dietary fiber of the present invention, the crude fiber content is ≥ 60%, the neutral detergent fiber (NDF) content is ≥ 86%, the acid detergent fiber (ADF) content is ≥ 70%, the product swelling property is ≥ 5.0mL / g, and the water holding capacity ≥5.0g / g.

The invention discloses a method for extracting lignin by using a ternary deep eutectic solvent. The method comprises the steps of: mixing and reacting the raw material with a ternary deep eutectic solvent, cooling to room temperature after the reaction is completed, and obtaining a reaction product, adding the reaction product to absolute ethanol and stirring, washing with ethanol, filtering, concentrating, adding water, and standing , to obtain a precipitate containing lignin, filter, and dry to obtain lignin. The present invention provides a method for extracting lignin from straw by using a ternary deep eutectic solvent, which improves the extraction efficiency of lignin more effectively compared with a binary deep eutectic solvent, and achieves the maximum extraction efficiency within 4 hours The lignin purity is 84±1%, and the purity of the obtained lignin is relatively high, with the highest purity reaching 83%. The deep eutectic solvent and absolute ethanol can be recycled and reused during the extraction process. Problems such as pretreatment cost and environmental pollution are in line with the concept of green and environmental protection development.

A vibrator, comprising a vibrating motor and a vibration-starting component located on its output shaft, the vibration-starting component includes a bracket connected to the output shaft, a cylinder is mounted on the bracket, and the cylinder is divided by a piston There are two chambers, the first chamber is provided with a biasing member that provides a biasing force for the piston, and the end of the second chamber is provided with an inlet and outlet of a fluid medium, and the inlet and outlet are connected to the fluid through a rotary joint arranged on the center of rotation. Control unit connection. It solves the problem that the vibration exciter in the prior art cannot realize the stepless adjustment of the output excitation force, and cannot realize the real-time adjustment of the excitation force under the working state, and is especially suitable for the excitation of industrial controllable large output force device.