24results about How to "Avoid environmental problems" patented technology

The utility model discloses water quality aeration purification equipment suitable for high ammonia nitrogen fishpond culture wastewater, which comprises a device body, a protection box is arranged in the device body, a base is arranged below the protection box, a suction pump is arranged in the protection box, a mounting rack is connected below the base, and the mounting rack is provided with a water inlet. A first water tank, a second water tank and a third water tank are sequentially connected to the lower portion of the mounting frame, the front end of the suction pump is connected with a water pumping pipe, the rear end of the suction pump is connected with a water inlet pipe, a first placing table and a second placing table are connected to the outer wall of the protection box, a first pesticide box is arranged above the second placing table, and a second pesticide box is arranged above the first placing table. According to the device, the content of dissolved oxygen in wastewater can be increased, a proper aerobic environment is provided for subsequent biological treatment, the concentration of ammonia nitrogen in the wastewater is reduced, the water quality of a fishpond is improved, precipitation of sludge and formation of an anaerobic environment are avoided, and subsequent stable operation of the device is ensured.

The application discloses a kind of full-time hot standby fault zero attenuation air supply system and method, it is related to air supply system technical field, the air supply system includes: main fan blade, vice fan blade, deceleration synchronization unit, switching control module, risk prediction module, air supply pressurization module and emergency backup unit.The deceleration synchronization unit is connected to the deceleration of main fan blade and vice fan blade, when main fan blade is fault-free operation, vice fan blade can follow it and rotate at low speed, when main fan blade appears fault or there is predicted fault risk, vice fan blade does not need to start quickly to promote speed from static, avoid the delay problem that vice fan blade starts to stable air supply when traditional double fan group switches, ensure that the airflow barrier of scene is not destroyed, guarantee target area air supply environment stability, simultaneously, vice fan blade is standby by main fan blade synchronous rotation, so that vice fan blade standby process does not need to be driven separately, realize the energy-saving standby effect of system, reduce the problem of traditional double fan simultaneous start energy consumption.

The invention provides a bimetallic nitride catalyst and a preparation method and application thereof, and relates to the technical field of catalysts.The preparation method comprises the steps that ferric nitrate and soluble starch are added into water and stirred to be gelatinized, and gelatinized liquid is obtained; adding zinc nitrate, dicyandiamide and cobalt nitrate into the gelatinized liquid, and uniformly stirring to obtain hydrogel; the hydrogel is subjected to freeze drying, and aerogel is obtained; the aerogel is placed in an ammonia atmosphere, heat preservation is conducted for 2-6 h at the temperature of 850-950 DEG C, the bimetallic nitride catalyst containing the iron-cobalt nitride is obtained, and the bimetallic nitride catalyst is high in oxygen reduction reaction activity and cycling stability.

This invention discloses a system and method for intelligent detection of deep rock properties and geological formation inversion, relating to the field of mine safety assessment technology. The system includes a terahertz incoherent detection module, a multi-dimensional external field control module, a signal acquisition and control module, and an intelligent inversion and disaster prediction module. The terahertz incoherent detection module includes a terahertz incoherent wave source, a wavefront optimization unit, and a sample coupling unit. The multi-dimensional external field control module includes a magnetic field control unit and a light field control unit. The signal acquisition and control module includes an intrinsically safe synchronous controller, a high-precision current detector, and a signal preprocessing unit. The intelligent inversion and disaster prediction module includes a feature extraction unit, a correlation model library, and a disaster prediction output unit. This invention achieves high-precision, rapid in-situ detection of rock properties and geological formation conditions, as well as accurate early warning of disaster risks, effectively supporting the safe and efficient mining of deep resources.

The application discloses a cooling system liquid supplement tool, which is suitable for supplementing cooling liquid for a cooling system by a cooling liquid tank. The cooling system liquid supplement tool comprises a liquid supplement pump, a pipeline set, a sub-pump and a current controller. The liquid supplement pump has a liquid inlet. The pipeline set comprises a first pipeline and a second pipeline. The first pipeline is suitable for connecting the liquid inlet of the liquid supplement pump and the cooling liquid tank. The second pipeline is suitable for connecting the first pipeline and the cooling liquid tank. The sub-pump is arranged in the second pipeline and is suitable for driving the fluid in the second pipeline to flow. The current controller is electrically connected with the sub-pump and is used for providing operating power for the sub-pump and controlling the operating time of the sub-pump. The application can automatically supplement the cooling liquid without human intervention or additional controller intervention. In addition, most of the air in the pipeline set can be discharged before entering the inside of the cooling system, so that the subsequent pumping and flowing efficiency of the cooling liquid is improved.

This application relates to a discharge device for an airflow dyeing machine, comprising a fabric discharge frame, a fabric swaying device, a parking platform, and a fabric cart. The fabric discharge frame is disposed on one side of the dyeing machine, the fabric swaying device is disposed on the fabric discharge frame, the parking platform is located below the fabric swaying device and is disposed on the fabric discharge frame, and the fabric cart is placed on the parking platform. The fabric cart has an outlet hole for dye to flow out. This application has the effect of reducing dye accumulation in the fabric cart and reducing dye migration.

The invention relates to the technical field of armored optical cable installation equipment, and discloses an armored optical cable clamping device and an optical cable clamping method.The armored optical cable clamping device comprises a device shell used for installing internal components, a clamping mechanism and a power block arranged on the side wall of the device shell in a sliding mode, and a first clamping plate is fixed to the outer wall of the power block; first sliding rods are symmetrically fixed to the inner walls of the upper side and the lower side in the device shell, sliding blocks are slidably arranged on the first sliding rods, and sliding plates, second moving plates, mounting plates, mounting rods, mounting plates and second clamping plates are arranged on the side walls of the sliding blocks through first supporting rods. The device is reasonable in design, the clamping mechanism can be driven to clamp and fix an armored optical cable without extra power, meanwhile, clamping and fixing of armored cables of different sizes can be better met, the applicability of the device is improved to a certain degree, and in addition, due to the arrangement of the locking mechanism, the clamping mechanism is convenient to use. Therefore, the clamping and fixing quality of the device on the armored optical cable is ensured.

This application provides a method for the efficient recovery of vildagliptin from vildagliptin mother liquor, belonging to the field of medicinal chemistry technology. Using vildagliptin mother liquor containing disubstituted impurities as the treatment target, an N-dealkylation reaction is used to selectively remove additional alkyl substituents from the disubstituted impurities, directionally converting the impurities into the target product vildagliptin, thus achieving waste resource utilization. This application requires no complex equipment, uses mild reaction conditions, achieves a disubstituted impurity conversion rate ≥90%, increases the total vildagliptin yield by 5-8%, and does not generate new process impurities. Hydrogen peroxide, as a commonly used industrial oxidant, is inexpensive, and the only byproduct is water, significantly reducing environmental pressure. It is fully compatible with existing industrial production processes and has outstanding economic value and environmental significance.

The invention discloses a multifunctional portable modularized full-hydraulic drilling machine which comprises a modularized machine body structure, a power head module, a dry type drilling system and a core sample in-situ protection mechanism. The machine body is divided into a power head, a gasoline power station, a base and a mast sliding frame module, the weight of a single piece is smaller than or equal to 60 kg, and the machine body is detachably connected with a high-pressure oil pipe through a quick-release connector. The power head is integrated with an impact mechanism and a swing mechanism, and three working modes are switched through a reversing valve. According to the dry type drilling system, drilling tool cooling and hole bottom deslagging are achieved through compressed gas, and the core sample in-situ protection mechanism reduces core sample disturbance through an anti-sticking coating on the inner wall of a drilling tool and an airflow purging assembly. The multifunctional portable modularized full-hydraulic drilling machine has portability, multifunctionality and environmental protection performance, is suitable for complex terrains and various stratums, improves the drilling efficiency, guarantees the sampling quality and is suitable for shallow geological survey scenes.

This invention provides a crude oil storage tank anti-fouling level measurement device based on millimeter-wave radar, comprising: a stainless steel shell, a signal processing unit, a PTFE inverted hemispherical radome, lead-out wiring, a DC 9-24V power interface, and an RS485 output interface. The signal processing unit is located inside the stainless steel shell and is used to process millimeter-wave radar radio frequency signals. The PTFE inverted hemispherical radome is located at the first end of the stainless steel shell and is fixedly and sealed to the first end of the stainless steel shell, which can effectively prevent oil contamination and promote the automatic sliding of condensate droplets. The second end of the stainless steel shell is provided with lead-out wiring, a DC 9-24V power interface, and an RS485 output interface for power supply and signal transmission. This invention solves the technical problems of traditional level gauges being prone to fouling, having poor anti-interference, and being difficult to maintain in heavy crude oil environments through the synergistic optimization of structural design and radio frequency technology, and achieves high-precision, high-reliability, and low-maintenance level measurement of crude oil storage tanks.

The application belongs to the technical field of biological fermentation, and relates to a bacillus licheniformis SXZY-02 and application thereof, and comprises the following steps: a bacillus licheniformis (Bacillus licheniformis) SXZY-02 is separated from the surface of tobacco leaves, Lysinibacillus macroides ) and the strain preservation number is CCTCC NO:M 2025152; the bacillus licheniformis SXZY-02 is fermented to obtain a biological agent containing the bacillus licheniformis SXZY-02, and after fermentation optimization, the lipase activity is 8.99 U / mL; the biological agent containing the bacillus licheniformis SXZY-02 is applied to tobacco shred fermentation, fat is decomposed into free fatty acid, tobacco aroma quality and alcohol degree are effectively improved, and irritation is reduced. The technology provides a green and environment-friendly solution for tobacco quality upgrading, and meets the high-quality development direction of the industry.

The utility model relates to the technical field of leisure tricycles, and particularly discloses a rear fork and a leisure tricycle, and the rear fork comprises a rear fork main body, a shaft sleeve mounting structure and a brake rod mounting structure. Wherein the rear bottom fork main body is provided with a rear damping mounting groove. According to the rear bottom fork, the rear bottom fork body, the shaft sleeve installation structure and the brake rod installation structure are arranged to be of the integrated structure, the manufacturing mode is different from a rear bottom fork manufactured in a welding mode in the prior art, and the rear bottom fork is simple in structure, free of redundant pipe materials and small pieces, free of welding in the manufacturing process, low in manufacturing cost and high in practicability. The rear fork is prevented from thermal deformation and breakage, the structural strength and quality consistency of the rear fork are guaranteed, and the problems of harm to human bodies and environmental protection caused by welding smoke dust and radiation are avoided. By means of the rear fork, the problem that in the prior art, a rear fork is low in structural strength is effectively solved.

This invention discloses a method for smelting alloy steel, comprising: selecting scrap steel that meets the addition conditions as additive, wherein the types of elements included in the scrap steel are within the range of types of elements included in the molten steel; determining the maximum amount of additive to be added based on the total amount of molten steel; adding a set amount of additive to the molten steel, wherein the set amount is less than or equal to the maximum amount to be added; determining the temperature drop of the molten steel based on the set amount and the total amount of molten steel, and performing temperature compensation on the molten steel; detecting the content of each element in the molten steel, and performing compensation treatment on the molten steel based on the detection results. This method avoids the waste of alloy resources, effectively recovers and utilizes high-value alloy elements in scrap steel, and significantly reduces alloy costs. Furthermore, it reduces production capacity loss, as scrap steel is directly melted into molten steel, increasing steel production and improving single-furnace capacity and continuous casting efficiency. It avoids the additional costs and environmental burden caused by scrap steel stockpiling, transportation, and treatment as ordinary scrap steel.

This invention discloses a self-activated solid waste slurry and its preparation method, comprising waste slag, a solid waste cementitious material, and water. The components are expressed as follows by weight percentage or parts: 100 parts waste slag; 15-60 parts solid waste cementitious material, wherein the solid waste cementitious material consists of a silicon-aluminum rich precursor, a strongly alkaline activation source, and a rheology-modifying supplementary source, with a mass ratio of 1:(0.2-0.8):(0.1-0.4); and water. This invention eliminates the highly corrosive liquid chemical activator required in traditional alkaline activation materials, achieving self-activation through dry powder premixing of a strongly alkaline activation source, a silicon-aluminum rich precursor, and a rheology-modifying supplementary source.

This invention describes a modified silicate-polyurethane two-component grouting reinforcement material, comprising component A and component B, which are mixed in a 1:1 volume ratio before use. Component A, by mass percentage, consists of the following components: water glass: 94%; glycerol: 1%; glyceryl ester compounds: 1%; silane coupling agent: 1%; water: 3%. Component B, by mass percentage, consists of the following components: polymethylene polyphenyl polyisocyanate PM-200: 65%; dibutyl phthalate (DBP): 35%. This invention utilizes the synergistic effect of glyceryl ester compounds and silane coupling agents. The glyceryl ester compounds reduce the interfacial tension between the aqueous and oil phases and promote the uniform dispersion of the silane coupling agent. The silane coupling agent forms a chemical bridge between the inorganic and organic phases, enabling the originally incompatible aqueous and oily agents to form a homogeneous and compatible system. The resulting solidified body has a compressive strength of 24.6 MPa and a bond strength of 3.8 MPa, making it suitable for seepage prevention and sealing in underground engineering and for surrounding rock reinforcement.

The invention discloses a nitrogen-doped porous carbon material which is prepared by taking a nitrogen-containing compound as a nitrogen source and EDTA (Ethylene Diamine Tetraacetic Acid) metal salt as an activating agent and a carbon source through pyrolysis. Through the synergistic effect of the nitrogen source and the EDTA metal salt, carbon skeleton construction, nitrogen atom in-situ doping and pore self-activation are synchronously achieved, the problems that an existing nitrogen-doped porous carbon preparation process is complex, and adsorption performance and selectivity are difficult to consider at the same time are solved, the material can be efficiently used for CO2 capture in industrial flue gas and other scenes, and the application prospect is wide. The method has a wide industrial application prospect.

The invention relates to a solvent-free low-density phenolic aerogel and a preparation method thereof, and belongs to the field of nano-porous materials. A matrix of the phenolic aerogel comprises the following components in parts by mass: 100 parts of phenolic resin, 0.01-15 parts of a foaming agent and 1-20 parts of a curing agent. Through an in-situ foaming-curing synergistic process under a solvent-free system, the matching of the foaming temperature and the curing system is realized, and the phenolic aerogel of which the density is less than 1.0 g / cm < 3 > and the carbon residue rate at 800 DEG C is greater than or equal to 50% is prepared. No solvent exists in the whole process, the foaming agent is decomposed to produce gas to directly construct pores, pore structure collapse and solvent residues caused by solvent volatilization are avoided, and meanwhile, the use of special equipment, a complex drying process and the environmental protection problem are avoided. The preparation method is simple, the production period is short, the micro-pore structure can be flexibly designed and regulated, and the method has remarkable advantages in the fields of aerospace thermal protection and extreme environment thermal insulation, can meet the ultra-high-temperature service requirement and has wide application prospects.

The application discloses a kind of heavy metal pollution sludge multiple harmless reagent and its using method, the proportion of each component in total sludge weight is as follows: reducing agent 0.5%-1%, precipitant 2%-4%, curing agent 2%-4%, protective agent 0.5%-1%; the protective agent is the mixture of sawdust ash, wood ash, sodium borate and grass carbon, wherein the mass ratio of sawdust ash in protective agent is 10%-30%, the mass ratio of wood ash in protective agent is 10%-30%, the mass ratio of sodium borate in protective agent is 30%-50%, and the mass ratio of grass carbon in protective agent is 20%-40%. The application adopts multiple stable curing technology integrating reduction, precipitation, curing and protection, is economic and environmental protection, and uses the mixture of sawdust ash, wood ash, sodium borate and grass carbon as protective agent for final protection, effectively solves the pollution problem of heavy metal sludge in acid rain environment.

The application belongs to the field of composite polyethylene heat-seal film, and particularly relates to a scratch-resistant composite polyethylene heat-seal film, a preparation method and packaging material. The scratch-resistant composite polyethylene heat-seal film comprises a first composite layer, a second composite layer and a third composite layer in sequence. The raw material of the first composite layer is composed of low-density polyethylene and linear low-density polyethylene. The raw material of the second composite layer is composed of low-density polyethylene and high-density polyethylene. The raw material of the third composite layer is composed of high-density polyethylene, a composite metal ion polymer and a slip agent. The raw material of the composite metal ion polymer comprises DuPont Surlyn resin, a metal oxide, 2-acrylamide-2-methylpropanesulfonic acid and acryloyloxyethyl trimethylammonium chloride. The scratch-resistant composite polyethylene heat-seal film provided by the application can maintain excellent scratch resistance while overcoming the problems of environmental pollution and heat-seal difficulty caused by the large amount of fluorine-containing additives in the conventional technology.

The invention discloses a smart agricultural monitoring management system based on ecological environmental protection, and relates to the technical field of agricultural monitoring management, and the technical scheme is that the smart agricultural monitoring management system comprises a mounting rack, the top of the mounting rack is provided with a solar panel shell, the upper part of the solar panel shell is fixedly connected with a solar panel, and the interior of the solar panel shell is fixedly connected with a transmission shell; a first motor is arranged on one side of the transmission shell, a threaded rod is arranged at the output end of the first motor, and a transmission block is in threaded connection with the threaded rod. The first gear rotates to drive a second transmission wheel to rotate, and the second transmission wheel rotates to drive an air blowing fan blade arranged in the cleaning shell to rotate, so that air flow is synchronously driven to blow to the surface of the solar panel in the moving process of the baffle, dust and small-size impurities on the surface of the solar panel are effectively cleaned, and a physical covering layer is removed.

The utility model relates to the technical field of waste processing equipment, in particular to a waste briquetting machine convenient for feeding and discharging, which comprises a compacting bin, a hopper mounted at the top of the compacting bin, a feeding conveyor belt mounted on one side of the hopper, a pushing component mounted inside the compacting bin, a discharging port arranged at the bottom of one end of the compacting bin, and a discharging port arranged at the bottom of the other end of the compacting bin. A collecting bin is arranged on the lower portion of the compacting bin, and the pushing component presses materials into blocks, discharges the blocks from the discharging port and collects the blocks into the collecting bin. According to the waste briquetting machine facilitating feeding and discharging, the design that the feeding conveying belt is matched with the hopper is adopted, automatic conveying of materials is achieved, manual feeding is not needed, and manpower input is reduced; the material pushing component drives a pressing plate and a material blocking plate to act through a material pushing air cylinder, the process that materials enter the compaction bin is accurately controlled, and waste and accumulation of the materials are avoided; and a discharging air cylinder, a switch shaft and a switch baffle of the discharging part are matched with one another, the briquetting materials can be rapidly and stably discharged from a discharging opening and enter a collecting bin, and the whole feeding and discharging process is smooth.

The utility model relates to the technical field of coal-fired power plant power system emergency power supply, and particularly relates to a coal-fired power plant high reliability emergency power supply system based on all-vanadium liquid flow battery, which comprises an all-vanadium liquid flow battery system, a bidirectional converter, a grid-connected circuit breaker, an intelligent microgrid controller and a safety protection device. The all-vanadium liquid flow battery system comprises an electric pile, positive and negative electrolyte storage tanks, a circulating pump and a battery management system. The direct current output end of the all-vanadium liquid flow battery system is connected to the direct current side of the bidirectional converter, and the alternating current side of the bidirectional converter is connected to the 380V power distribution section of the power plant through the grid-connected circuit breaker. The system cooperates with the auxiliary power to operate normally and assists in peak regulation. When a fault occurs, the intelligent microgrid controller triggers seamless switching to an off-grid mode within 50 milliseconds, and independently carries the key load. The utility model solves the problems of slow switching and low reliability of traditional emergency power supply, is environmentally friendly and safe, and is modular in design, which facilitates expansion and maintenance and is suitable for emergency power supply of key equipment in coal-fired power plants.

The utility model relates to the technical field of slurry processing, especially to a reclamation slurry chemical additive treatment device, which comprises a slurry filtering unit, a chemical regulating unit, a chemical storage unit for storing pH regulators or salinity regulators, a slurry storage unit, a reaction container, a dispensing unit for storing peroxy organic acids, a UV treatment unit and a slurry detection unit. The filtering unit, the chemical regulating unit, the slurry storage unit and the reaction container are sequentially connected through the feed inlet. The chemical storage unit is connected to the chemical regulating unit. The dispensing unit is connected to the feed inlet of the reaction container. The discharge outlet of the reaction container, the UV treatment unit and the slurry detection unit are sequentially connected. The strong oxidizing property and environmental friendliness of peroxy organic acids are used to remove the reclamation slurry chemical additive. The in-situ treatment device reduces the secondary pollution caused by the traditional ex-situ treatment method, and reduces the transportation time and cost.