77results about How to "Solving Governance Challenges" patented technology

The invention provides a preparation method of soil moisturizing bio-fertilizer. The composite microorganism bactericide adopted in the invention comprises an A group bactericide and a B group bactericide, and fermentation preparation is completed by smashing straws, composting and secondary piling fermentation. Compared with the prior art, the invention has simple preparation technique without needing large mechanical equipment, simple and practical method, wide raw material source, and low cost, solves the difficulty in straw treatment, and realizes recycling of resources; the inventive soil moisturizing bio-fertilizer has strong water absorptivity which is increased by over ten times, good moisture retention property to soil, and can eliminate soil hardening and promote root system to grow, improve content of organic matter in soil by 1-1.5 times, reduce dosage of fertilizer by over 35% resulting in planting in the next season without applying fertilizer, adjust soil micro-ecological environment, and reduce occurrence of plant diseases and insect pests and has no putrefactive odor.

The invention discloses a method for cooperatively producing 1-naphthol and 2-naphthol from a naphthalene sulfonation product by virtue of direct alkali fusion. The method comprises the following steps: performing multiple sulfonation reactions on naphthalene and concentrated sulfuric acid, directly performing an alkali fusion reaction on the obtained liquid sulfonation product and sodium hydroxide in a molten state, and then diluting, acidifying, boiling for layering, dehydrating and drying, rectifying and separating, thereby obtaining high-purity 1-naphthol and 2-naphthol simultaneously. The steps of hydrolyzing, naphthalene blowing, neutralization, cooling and crystallization and filtration of sulfonation products, and feeding for performing alkali fusion on a water-containing filter cake at a normal temperature in the existing process are avoided; no filtration wastewater difficult to treat is not generated anymore, the energy source and the resources are saved, the yield is increased and the operating environment is improved; as a result, the problems of three-waste treatment during naphthol production are thoroughly solved from the production process.

The invention discloses a gas control method for a return airflow corner of a coalmine coal working face; the gas control method comprises the steps of laying a main drawing-out pipe in a return air roadway in advance and laying a drawing-out branch pipe with a butterfly valve, which corresponds to a connection roadway; the control process comprises the following steps of: A. closing the connection roadway and the return air roadway when the working face is pushed forward to an entrance of the connection roadway; B. laying a wind tunnel from a closing part of the return air roadway to a closing part of the connection roadway in a penetrating manner; and drawing out gas of the return airflow corner by using the wind tunnel; and C. opening a butterfly valve on a drawing-out branch pipe of a connection roadway previous to the connection roadway in the step A for drawing out gas. According to the gas control method, the gas concentration of the return airflow corner of the working face can be effectively reduced, the difficult problem of the gas control on the return airflow corner of the high-yield and high-efficiency working face is effectively solved, and the safety operating environment of the working face is greatly improved.

The invention relates to a process for comprehensively utilizing waste gas, waste slag and waste ash of coal-making gas and a device thereof. The process combines a boiling furnace and a blowing gas residual heat reclaiming system of coal-making gas together; the boiling furnace utilizes the waste slag and waste ash after coal-making gas as fuel for secondary combustion; high-temperature flue gas is produced to ignite the blowing gas in a blowing gas combustion furnace; and flue gas produced after the blowing gas is combusted passes through the residual heat reclaiming system and is exhausted to atmosphere by a chimney. The device is combined into a whole by the boiling furnace and the blowing gas combustion furnace of the blowing gas residual heat reclaiming system of the coal-making gas.

The invention discloses a method for preparing chromium iron black from electroplated chromium-containing waste water in a recycling mode. The method comprises the following steps that 1, the total chromium, chromium (III) and chromium (VI) content in the electroplated chromium-containing waste water is measured, the pH of the waste water is adjusted to range from 8 to 11 with liquid caustic soda, and an oxidizing agent is added to oxidize chromium (III) into chromium (VI); 2, the pH of the oxidized waste water is adjusted to range from 3 to 4 with sulfuric acid, an iron-containing agent is added, stirring is carried out at normal temperature for reacting, and a reaction solution is obtained; 3, liquid caustic soda is added into the reaction solution obtained in the step 2, the pH is adjusted to range from 8 to 9, then an aeration reaction is carried out, filtering and separation are carried out, and a filter cake and filtrate are obtained, wherein the filtrate is waste water obtained after chromium removal and can be directly drained or used for the rinsing section in the step 4; the filter cake obtained in the step 3 is subjected to rinsing, drying, calcining and smashing, and the chromium iron black product is obtained. Chromium in the electroplated chromium-containing waste water is converted into chromium iron black pigments with high economic additional value through a simple process path, the problem about treatment of the electroplated chromium-containing waste water is solved, chromium resources are reutilized, and sustainable development of the resources is achieved.

The invention relates to a high-effective organic waste gas recovery processing method and complete equipment. The complete equipment includes: an organic waste gas collection apparatus, a gas storage tank, a buffer tank, a primary membrane unit, an active carbon adsorption unit, a vacuum pump, a gas-liquid separation tank, a compression condensing unit, a secondary membrane unit, a low temperature catalytic oxidizing reactor, and a tubular heat exchanger. Through the two-stage membrane as a core technology, advantages that a membrane process is high in efficient, is continuous, has high recover rate and high safety and is suitable for high-concentration organic waste gas are achieved, thus recovering the recoverable components in the waste gas; in addition, with the low temperature catalytic oxidization technology, an advantage of deep processing thereof is achieved, so that a problem of accumulation of light-hydrocarbon substances is overcome. The processing method and complete equipment not only high-effectively recover valuable organic substances, but also can perform deep processing to the organic waste gas with satisfaction of strict requirements on safety production in petrochemical enterprises. Through the deep processing to the organic waste gas, discharged organic waste gas can reach national emission standards.

A fermentation culture solution comprises, by weight, 10-15 parts of brewing waste residues, 7-12 parts of wheat bran, 0.5-0.8 part of yeast, 6-12 parts of edible mushroom waste base stock, 0.05-0.15 part of microbial agent and 70-100 parts of brewing waste liquid. The pH value of the fermentation culture solution is 6.0-7.5. The invention further discloses the preparing method and application of the fermentation culture solution. According to the fermentation culture solution, product waste materials are recycled, cost is low, preparation is easy, and fermentation effect is good when the fermentation culture solution is applied to a fermentation bed or fertilizer; the content of live bacteria in the culture solution is high, application is easy, and effect is good.

The invention discloses a method for processing cyclohexanone wastewater, belonging to the technical field of comprehensive utilization of wastewater, comprising the following steps: weighing 60 weight parts of cyclohexanone wastewater with the pH value of 9-13, adding 10-20 weight parts of alkali lignin, and stirring for 10-15min for dissolving; adding 8-12 weight parts of aldehyde compound to the wastewater, stirring for 10-15min for dissolving; adding 15-25 weight parts of amine compound in the wastewater, stirring for 10-15min for dissolving; heating up to 75-90 DEG C, and reacting for 1-5 h to obtain a solution of high-molecular emulsifier lignin amine. According to the invention, by using the wastewater as a solvent and conducting high-molecular chemical reaction in the solvent to prepare the high-molecular emulsifier, the cost of processing the wastewater can be effectively reduced, the effective components in the wastewater can be fully utilized, thus the recycling of the wastewater is realized, and the method has obvious economic and social benefits.

The invention belongs to the technical field of bioengineering, and provides a styrene degrading bacterium and application thereof. According to the present invention, the styrene degrading bacterial agent is identified as Pseudomonas plecoglossa through 16S rDNA identification, the bacterial strain has been preserved in the China General Microbiological Culture Collection Center (CGMCC) in June 2021, and the preservation number is CGMCC No.22757. The invention further provides a preparation method of the styrene degrading bacterial agent, under the optimal condition, the degradation rate of the microbial inoculum to styrene with the initial concentration of 60000mg/L for 24h is 99.97%, and the maximum tolerance concentration to styrene reaches 100000mg/L. The styrene degrading bacterial agent provided by the invention can reduce the impact of styrene on a biochemical treatment system, improves the treatment efficiency of styrene-containing wastewater, and has remarkable economic and environment-friendly benefits. Meanwhile, the strain can be applied to the field of treatment of styrene polluted wastewater and soil or styrene-containing organic waste gas.

The invention discloses a mobile type goaf gas quick blocking and extraction device and a mobile type goaf gas quick blocking and extraction technology. The device and the technology are easy and convenient to operate; furthermore, gas in a goaf can be quickly blocked, and the blocked gas can be quickly extracted, so that the difficulty in treating the gas in the goaf can be effectively solved, the gas content of the goaf is fundamentally reduced, the goaf gas gathering amount and the gas gush amount to a stopping working surface are reduced, the influence of the gas in the goaf on the concentration of the gas on the stopping working surface is reduced to the maximum extent, and great significance in reducing the mine ventilating difficulty and realizing safe and high-efficiency production of a coal mine is realized. Multiple stages of fixing devices are convenient for flexible gas pocket forming, and overlarge deformation of a local area of a flexible gas pocket can be avoided; the operation and the use are convenient and quick; the requirement on an underground narrow space can be met, and quick moving is facilitated; meanwhile, the device can be recycled, multi-frequency utilization is realized, and the treatment cost is lowered.

The invention relates to a method for treating waste alkali liquor of a cyclohexanone device. The method comprises the following steps of: 1, adding 0.2-0.4 part of sulfonating agent into 50 parts of waste alkali liquor of the cyclohexanone device with pH of 9-13 in molar ratio; 2, adding 1-2 parts of acetone or acrylic acid compound into the waste alkali liquor of the cyclohexanone device to perform acetone sulfonation reaction; 3, adding 2-4 parts of aldehyde compound or ethylene oxide into the waste alkali liquor of the cyclohexanone device to perform condensation polymerization reaction; and 4, then adding 450-950 parts of the waste alkali liquor of the cyclohexanone device and continuously performing the condensation polymerization reaction of the step 3 to prepare a composite coal water slurry additive at effective concentration of 0.5-1 percent. By adopting the method, the coal water slurry additive and coal water slurry are obtained by using an organic synthesis method after the waste alkali liquor of the cyclohexanone device is properly and chemically treated, so that the environment is prevented from being polluted by discharge of the waste alkali liquor of the cyclohexanone device, the cost of the coal water slurry additive is effectively reduced, and recycling of the waste alkali liquor of the cyclohexanone device is realized.

The invention discloses a method for preparing emulsified residual oil by using cyclohexanone wastewater, relates to the field of a preparation method of an oil emulsion, and particularly relates to a method for preparing emulsified residual oil by using cyclohexanone wastewater. The method comprises the following steps: adding an emulsifier and a stabilizer to the cyclohexanone wastewater; stirring and dissolving the obtained water solution and keeping warm; heating the residual oil to melt; evenly adding the water solution to the molten residual oil; stirring to obtain the emulsified residual oil. The method disclosed by the invention has the advantages that the wastewater is utilized as raw water for preparing the emulsified residual oil, so that use of clean water is saved; meanwhile, the wastewater is used as a raw material, so as to play a role of transforming the waste into treasure.

The invention provides a method for treatment of air containing viscous paint particles. Firstly, coating waste gas is collected, and paint spraying waste gas containing viscous paint particles and volatile organic compounds is sent into a paint purifier through a pipeline; the waste gas passes through a filter device at the bottom of the paint purifier firstly, a part of the paint particles in the waste gas adhere to the surface of the filter device, and other paint particles and the volatile organic compounds in the waste gas pass through the filter device and enter an inner cavity of the paint purifier provided with a centrifugal turntable, and the paint particles are purified; the volatile gas of the coating waste gas is purified by an activated carbon adsorber. The method has the advantages of short process flow, simple equipment structure design, good paint purification effect, stable operation of equipment, low energy consumption, safety and reliability, and can effectively solve the problem of treatment of waste gas containing viscous paint particles.

The invention discloses a method for treating waste water from a rubber antioxidant tmq (RD) device, which relates to a waste water treatment process. The method comprises the following steps: weighing 50 mol parts of waste water from the rubber antioxidant tmq (RD) device, and adding sulfonating agent at a temperature of 40 to 60 DEG C; 2, adding 1 to 2 parts of acetone or acrylic acid compound, keeping the reaction temperature between 40 and 60 DEG C and reacting for 20 to 40 minutes; 3, adding 2 to 4 parts of an aldehyde compound or ethylene oxide, keeping the reaction temperature between 75 to 90 DEG C and reacting for 1 to 2 hours; and 4, adding 450 to 950 parts of waste water from the rubber antioxidant tmq (RD) device, keeping the reaction temperature between 75 to 90 DEG C, continuing to react for 0.5 to 1.0 hour, and preparing a composite water-coal-slurry additive at an effective concentration of 0.5 to 1 percent. In the method disclosed by the invention, after the waste water is subjected to proper chemical treatment, the water-coal-slurry additive and water coal slurry are obtained by an organic synthesis process, so that environmental pollution caused by waste water discharge is avoided, the cost of the water-coal-slurry additive is reduced effectively, and the waste water is recycled.

The invention relates to a coal-to-olefin industrial exhaust gas comprehensive treatment device and method. The coal-to-olefin industrial exhaust gas comprehensive treatment device and method are mainly applied to treatment and resource utilization of exhaust gas emitted in organized and unorganized modes by tank areas, platforms and production devices in the field of coal chemical industry. Specifically, a washing process and three organic exhaust gas recovery techniques of membrane separation, condensation and adsorption are innovated, optimized and coupled to form the coal-to-olefin industrial exhaust gas treatment method. The method does not include the heating step or the heat production step, the explosion-proof property and safety are high. In the washing process, soluble organic matter is recovered, the acidity is reduced, the temperature is decreased, then resource utilization is conducted through a combination process of membrane separation, condensation and adsorption, and thus the requirements of resource utilization and emission on standard are met. According to the coal-to-olefin industrial exhaust gas comprehensive treatment device and method, the difficult problem of coal-to-olefin exhaust gas treatment is solved, organic exhaust gas emitted by industrial devices, the tank areas, the vehicle-loading platforms and the like in the coal-to-olefin field can be efficiently removed and subjected to resource utilization, and the coal-to-olefin industrial exhaust gas comprehensive treatment device and method have application prospects.

The invention discloses an early warning treatment and detection process for underground structure differential settlement diseases, and belongs to the technical field of underground structure disease treatment, the early warning treatment and detection process comprises the following steps: monitoring differential settlement displacement values at two sides of a disease part, and drawing a monitoring process curve; curve fitting is carried out, and an optimal fitting curve and an optimal fitting function expression are determined through comparison and selection; comparing a non-uniform settlement displacement monitoring value corresponding to a monitoring ending moment, a non-uniform settlement displacement predicted value corresponding to a certain moment in the future and a non-uniform settlement displacement allowable value, and performing early warning evaluation on the disease degree of the part; treating the part needing to be repaired and treated by adopting a grouting lifting method or a compaction reinforcement method; and establishing a quantitative evaluation index of the disease repair treatment effect, and quantitatively evaluating the repair treatment effect. Quantitative evaluation of the safe operation and maintenance state of the repaired underground structure can be achieved, and the problem that an effective quantitative early warning and treatment detection technology is lacked for the differential settlement disease of the underground structure at present is solved.

The invention discloses a method for preparing foamed ceramic by using vanadium ore tailings as a main material, which is characterized in that the foamed ceramic is prepared by using the vanadium ore tailings as the main material and a conditioner as an auxiliary material through mixing and powdering, granulating and sintering processes. According to the method, the vanadium ore tailings serve as the main material, the conditioner is added to prepare the foamed ceramic, the foaming uniformity degree is guaranteed, meanwhile, the strength and quality of the foamed ceramic are improved, the prepared foamed ceramic product meets the national standard requirement, the doping amount of the vanadium ore tailings is increased, utilization of the vanadium tailings is achieved, and the comprehensive treatment problem of the vanadium tailings is solved; the problems of high mixing energy consumption and high water consumption of a traditional preparation method are solved, energy and water are saved, and the preparation cost is reduced.

The invention discloses a method for noise comprehensive treatment of a cement plant. The method includes the specific steps that firstly, a plurality of noise monitoring points are arranged according to a plant boundary range, monitoring time and monitoring conditions are set, and monitoring is conducted to obtain data; secondly, the data obtained through monitoring is compared with a standard value, and monitoring points, where noise exceeds the standard, of sensitive points in the plant boundary and the periphery are analyzed; thirdly, according to analysis in the step 2, the varieties of equipment of noise sound source points in the plant and the varieties of sound sources are determined; fourthly, according to the varieties of the equipment and the sound sources, the equipment is divided into the equipment in a plant building and the equipment in a plant area, the equipment safety production requirements are considered, and comprehensive treatment is carried out according to the varieties of the equipment and the sound sources, so that the frequency spectra of the treated sound sources at a detection point conform to an NR curve; after treatment, the detection value of each sound source at the detection point is smaller than or equal to the standard value which is 3 db. By means of the method, the problem about noise treatment in the cement plant is thoroughly solved.

The invention discloses an exhaust emission and pollutant near-zero emission system and method used in a carbon industry. The system comprises a carbon exhaust purification treatment system, a boiler and a boiler exhaust purification system and further comprises a flue connecting system. A combustion air compensation unit is arranged on the flue connecting system. According to the method, after exhaust of a mixed kneading, forging and roasting purification unit and exhaust of an ingredient exhaust purification unit are mixed, the mixed exhaust as combustion-supporting gas is introduced into the boiler; when the set temperature and blast capacity requirements are met, the mixed exhaust is fully burnt in a hearth, exhaust combustion supporting is achieved in the carbon industry, and the exhaust emission and the pollutant near-zero emission is achieved; and meanwhile, the calorific value of asphalt fume and CO in the exhaust is reused, and the energy saving and emission reduction effects are achieved. The exhaust emission and pollutant near-zero emission system and method provide a new thought and method for the pollutant control and pollutant emission reduction in the carbon industry.