430results about How to "Avoid emissions" patented technology

The invention provides a method for strengthening the coercive force of a neodymium-iron-boron magnet through composite reduction grain boundary diffusion, which comprises the following steps of: (1) mixing a reducing agent, a dispersing agent and a composite rare earth diffusion source to obtain mixed powder; the composite rare earth diffusion source comprises a multi-element rare earth compound diffusion source and / or a composite compound diffusion source; (2) coating the mixed powder obtained in the step (1) on the surface of a neodymium-iron-boron magnet to obtain a coating layer magnet; and (3) carrying out sectional composite reduction-grain boundary diffusion heat treatment and tempering treatment on the coated magnet in the step (2) to obtain the neodymium iron boron diffusion magnet. According to the method, the composite rare earth diffusion source is adopted, the preparation cost of the neodymium iron boron diffusion magnet is reduced, meanwhile, the grain boundary diffusion efficiency is improved, and the large-scale market application prospect is achieved.

The invention relates to the field of new energy, and discloses a regional multi-energy complementary zero-carbon energy supply system coupling a reversible solid oxide battery technology and a closed CO2 network, which comprises an RSOC heat-mass-electricity reversible converter, a closed CO2 circulating network, renewable energy power, an external heat source, a chemical energy storage, a natural cold and heat source and a terminal energy consumption module. According to the invention, the RSOC bidirectionally operates in a power generation mode and an electrolysis mode, the coupling chemical energy storage module realizes regional multi-time scale energy balance, photovoltaic power generation supplies power to RSOC electrolysis and terminal users at the same time, and light condensation and heat collection and industrial waste heat in the external heat source module can be integrated with the RSOC module to reduce electrolysis power consumption. The closed CO2 network adopts pressurized low-temperature CO2 as a circulating working medium of the regional heating and cooling network, and RSOC waste heat and natural cold and heat resources can be fully utilized on the source side; the network heating and cooling capacity is greatly improved at the terminal through phase change heat transfer, passive cooling of a user is achieved, meanwhile, the water source heat pump is coupled to meet the heating power requirements of different grades, and net zero carbon emission is achieved in the whole process.

The invention relates to the field of cutting devices, and discloses a noise reduction cutting device for metal part manufacturing, which comprises two bottom rails, a concave frame capable of sliding to adjust the position is arranged at the tops of the two bottom rails, a transverse moving structure is arranged at the top of the concave frame, and an up-down displacement structure is arranged at the lower end of the transverse moving structure. The lower end of the up-down displacement structure is connected with a laser cutting head, precise positioning of the laser cutting head in the horizontal direction can be achieved through sliding fit of a bottom rail and a concave frame and a transverse movement structure at the top of the concave frame, a second motor drives a first gear to be in meshing transmission with teeth, and the transverse movement distance of a motor sliding table can be precisely controlled. Therefore, the laser cutting head can conduct high-precision cutting on the metal piece according to the preset cutting path, good contour precision can be guaranteed when the metal piece in a complex shape is machined, machining errors are effectively reduced, and the product quality is improved.

The utility model relates to the technical field of garbage recycling power generation, in particular to an environment-optimized efficient garbage incineration power generation device which comprises a main body, a boiler is arranged in the main body, a combustion bottom plate is arranged at the bottom of the boiler, and vent holes are formed in the combustion bottom plate; the extrusion mechanism is arranged in the feeding box, a water outlet is formed in the bottom of the feeding box, and a sewage box is arranged at the top of the feeding box; the purification mechanism is fixedly connected to the side edge of the main body, and the top end of the purification mechanism extends into the boiler; the garbage disposal device has the beneficial effects that through the arrangement of the extrusion mechanism, a first servo motor drives a power roller to rotate, the power roller is meshed with a driven gear through a driving gear to drive an extrusion roller to extrude and push garbage, so that sewage in the garbage is extruded and dried, and the situation that the incineration speed is low and the incineration efficiency is affected due to the sewage in the garbage in subsequent incineration is avoided.

The utility model belongs to the technical field of battery material preparation, and particularly discloses a spray pyrolysis system which comprises a gas hot blast stove, spray drying equipment, a pyrolysis furnace, a cyclone separator, a bag-type dust collector and an induced draft fan, a drying cavity is formed in the spray drying equipment, the gas hot-blast stove is communicated with the drying cavity through a first conveying pipe, a second conveying pipe is arranged at the bottom of the spray drying equipment, an inlet of the pyrolyzing furnace is communicated with the second conveying pipe, and an outlet of the pyrolyzing furnace is connected with an inlet of the cyclone separator through a third conveying pipe; the cyclone separator is provided with a first gas outlet and a first powder outlet. Materials are dried in the spray drying equipment, then fed into the pyrolyzing furnace and then conveyed to the cyclone separator, so that the positive electrode materials can be collected from the first powder outlet in the bottom of the cyclone separator, the purpose of producing the positive electrode materials at a time is achieved, and intermediate reaction materials do not need to be carried many times; dust and smoke generated in the transportation process are prevented from being discharged to the surrounding environment, and the cleanness of the workshop environment is guaranteed.

The invention relates to the technical field of sustainable aviation fuel preparation processes, and discloses a process for producing sustainable aviation fuel by capturing carbon dioxide of an industrial boiler with an industrial byproduct hydrogen, which comprises the following steps: S1, raw material pretreatment; s2, converting hydrogen and carbon dioxide in the raw materials into Fischer-Tropsch synthesis gas by using a catalyst; s3, converting the Fischer-Tropsch synthesis gas obtained in S2 into liquid alkane; s4, the liquid alkane obtained in S3 is subjected to hydroisomerization to generate sustainable aviation fuel, industrial by-products of hydrogen and carbon dioxide can be converted into the sustainable aviation fuel through the steps of Fischer-Tropsch synthesis, hydroisomerization and the like, the fuel can serve as a substitute of petroleum fuel, dependence on traditional petroleum resources is reduced, and the sustainable aviation fuel is obtained. According to the invention, not only can sustainable aviation fuel be produced, but also light products (C5-C8 alkanes) and heavy products (C16-C24 alkanes) can be generated, and the light products and the heavy products can be respectively used for further Fischer-Tropsch synthesis reaction and can be sold as automotive second-generation biodiesel.

The invention discloses a process for preparing a negative electrode material from natural graphite and waste batteries, which belongs to the technical field of negative electrode material preparation and comprises seven steps of natural graphite pretreatment, waste battery pretreatment, flotation, spheroidization, coating pre-carbonization, impurity removal, modification treatment and finished product preparation. Natural graphite and waste batteries are adopted as raw materials, resources are effectively recycled and utilized, resource waste is reduced, the whole technological process is optimized, impurity removal and modification are integrally treated, technological steps are reduced, the preparation efficiency of the negative electrode material is improved, energy consumption and cost are reduced, and the method is suitable for industrial production. And moreover, in the treatment process, the pollution to the environment is reduced, the emission of harmful substances caused by a traditional acid leaching method is avoided, and the obtained negative electrode material is higher in purity and excellent in electrochemical performance, and can meet the high requirement of the lithium ion battery on the negative electrode material.

The invention provides modified activated carbon for removing perchlorate in water of a sheep farm and a preparation method of the modified activated carbon, and relates to the field of water treatment.The method comprises the steps that activated carbon reacts in a citric acid aqueous solution, a carboxyl layer is evenly loaded on the surface of the activated carbon, and preliminarily modified activated carbon is obtained; reacting the primarily modified activated carbon in an alkaline polydimethyldiallylammonium chloride aqueous solution, and adsorbing strong cation quaternary ammonium salt on the surface of a carboxyl layer through electrostatic interaction to obtain re-modified activated carbon; the activated carbon modified again reacts in a triethylene tetramine aqueous solution, triethylene tetramine molecules are further combined to the strong cation quaternary ammonium salt through the electrostatic adsorption effect, the modified activated carbon for removing perchlorate in the water of the sheep farm is obtained, the adsorption capacity of the activated carbon to negatively charged solutes is remarkably enhanced, and the perchlorate in the water of the sheep farm is removed. The perchlorate treatment efficiency of the whole farm environment is improved.

According to the method, joule heat is adopted for high-temperature gasification and flash evaporation of impurity metal in the waste lithium battery graphite leaching residues, synchronous deep impurity removal and metal removal and graphite lattice structure repair are achieved, traditional acid leaching, multi-step impurity removal, long-time high temperature and other multi-step procedures are replaced, the highest graphite purity reaches 99.7%, and the method is suitable for industrial production. The purity of the lithium carbonate reaches up to 99.5%, a large amount of greenhouse gas and high-salinity wastewater are prevented from being discharged, impurity metal is directionally refined and purified into the battery-grade lithium carbonate material, and an efficient, green and economical closed-loop treatment method and a high-value utilization method are provided for treating the waste lithium battery graphite leaching residues and battery-grade precursors.

The invention introduces an intelligent electric power system carbon footprint monitoring tool based on the Internet of Things technology, and the tool collects the operation data of an electric power system in real time through deploying sensors at key nodes of the electric power system. Advanced data processing algorithms including machine learning and big data analysis are utilized, and the tool can analyze and predict the carbon emission mode of the power system. The system also integrates equipment health management and optimization scheduling technologies so as to prevent faults and improve energy efficiency. The user interface is visual in design, supports customized services, and allows a user to adjust monitoring parameters according to requirements. The tool aims at providing a real-time and accurate carbon footprint monitoring and optimization solution for an electric power system so as to promote green transformation and sustainable development of the electric power industry.

The invention discloses pressure swing adsorption type hydrogen purification equipment, and relates to the technical field of hydrogen purification, the pressure swing adsorption type hydrogen purification equipment comprises a first adsorption tower, a second adsorption tower and a treatment box, the first adsorption tower and the second adsorption tower are both communicated with a gas storage tank, a filter drum is rotatably arranged in an impurity removal chamber, a heating box is fixedly arranged in a heating chamber, and the filter drum is communicated with the gas storage tank. A cooling pipe is arranged in the cooling chamber, a dewatering pipe is arranged in the dewatering chamber, the output end of the dewatering pipe is communicated with the interior of the gas storage tank, a first dewatering mechanism is arranged in the cooling chamber, and a second dewatering mechanism is arranged in the second liquid discharging pipe. According to the invention, the filtering drum, the heating box, the cooling pipe and the second liquid discharge pipe are arranged in the treatment box, so that impurity removal, heating and two-time dehydration of gas are facilitated, gas treatment is set in a centralized manner, a plurality of parts do not need to be controlled to be linked during use, only a small number of devices need to be controlled to work, and the cost is reduced. And gas treatment can be completed.

The invention discloses a high-precision adjustable automatic fire retardance module which comprises a fire retardance module body, a fire retardance block and a pressure adjusting device. The fire retardant module extends into the cabinet body and is fixedly mounted in the cabinet body; the fire-retardant block is mounted in the fire-retardant module; the pressure adjusting device sequentially penetrates through the top end of the fire retardant module and the fire retardant block, and the bottom end of the fire retardant module extends into the cabinet body. Through the application of the invention, a high-precision adjustable automatic fire-retardant module is provided, and when the pressure in the cabinet body exceeds a set value, the pressure in the cabinet body can be automatically released through the module, so that the module has a fire-retardant function and can prevent combustible particulate matters from being discharged to a dangerous area.

The invention discloses a method for preparing high aspect ratio calcium carbonate whiskers by carbon fixation in steel smelting slag leachate, belonging to the technical field of solid waste resource utilization. The method comprises the following steps: leaching steel smelting slag to obtain calcium-magnesium leachate and leach slag; removing impurities from the calcium-magnesium leachate by a pH swing method to obtain a calcium-magnesium purified solution; capturing the gas containing carbon dioxide by an alkaline solution to obtain a carbonated solution; adjusting the pH of the calcium-magnesium purified solution to convert magnesium ions into magnesium hydroxide, placing the solution in an ultrasonic field, adding the carbonated solution to carry out a carbon fixation reaction, and washing and drying the precipitate obtained by the reaction to obtain calcium carbonate whiskers. The method not only successfully realizes the efficient resource utilization of two wastes, steel smelting slag and carbon dioxide flue gas, but also produces high value-added calcium carbonate whisker products while stably fixing carbon dioxide, and has broad application prospects and environmental value.

The invention discloses a method for preparing battery-grade iron phosphate from wet-process crude phosphoric acid and raffinate acid, which comprises the following steps of: mixing and leaching an iron source and wet-process crude phosphoric acid or wet-process crude phosphoric acid and raffinate acid to obtain ferrous dihydrogen phosphate containing metal impurities, ferrous phosphate leachate I and leaching residue; carrying out pH regulation and control on the leachate I to precipitate and remove aluminum in the form of aluminum phosphate, and carrying out multi-stage precipitation to remove aluminum until the content of aluminum ions is lower than 500ppm, so as to obtain leachate II; hydrofluoric acid is added into the leachate II, the pH value is adjusted to 1.6-2.5 with refined phosphoric acid, Al ions are precipitated, and leachate III is obtained after solid-liquid separation; an oxidizing agent is added into the leachate III for a precipitation reaction, and iron phosphate dihydrate and a phosphoric acid solution are obtained; and calcining the iron phosphate dihydrate to obtain the iron phosphate dihydrate. Crude phosphoric acid and raffinate acid can be directly utilized to produce battery-grade iron phosphate, the process is simple, compared with a traditional iron-method iron phosphate production process, the raw material cost is greatly reduced, generation of waste water and waste acid in the refining process is avoided, and the method is suitable for industrial production.

The invention discloses lightweight aggregate based on ardealite and multi-source solid waste as well as a preparation method and a utilization method of the lightweight aggregate, and aims to solve the problems of low utilization rate of the ardealite and the multi-source solid waste, high energy consumption and high carbon emission of a utilization scheme, insufficient long-term water stability of a recycled product and the like in the prior art. The phosphogypsum and the multi-source solid waste are gelatinized by using the alkali activator, so that the solid waste generates viscosity to form a polymerized gel material, and the gelatinization process is realized by using the activity of the industrial solid waste, so that the lightweight aggregate with high strength and good performance is obtained. And meanwhile, the lightweight aggregate is classified in a cascade manner according to different strength grades of the lightweight aggregate, so that the practicability of the recycled product is improved.

The invention relates to a low-odor regenerated polypropylene composite material as well as a preparation method and application thereof. The composite material comprises 60-80 parts of polypropylene resin; 5-10 parts of a toughening agent; 20 to 30 parts of a filling agent; 0.2 to 0.5 part of an antioxidant; 0.2 to 0.5 part of a lubricant; 0.2 to 3 parts of compatilizer; and 0.3 to 1.5 parts of an odor inhibitor. Wherein the odor inhibitor is a compound of an MOFs material and TiO2 nanoparticles, the prepared MOFs material not only has high porosity, high specific surface area and a micro-mesoporous structure, but also is rich in a conjugated benzene ring structure and an oxygen-containing functional group, can adsorb volatile odor substances generated by melt extrusion of a polypropylene reclaimed material, and can be used for preparing the odor inhibitor by combining the photocatalysis of TiO2. Organic molecules emitted by a material system are further effectively decomposed, the smell is greatly improved through the synergistic effect, the polypropylene material can be applied to interior and exterior trim parts of automobiles, and recycling of waste polypropylene is effectively promoted.

The invention relates to the technical field of charging piles, and discloses an automobile charging pile and a method thereof.The automobile charging pile comprises a pile body, at least four sets of fan modules are arranged on the side of the pile body, each set of fan module comprises a spiral pipe, an ash storage bin, a plurality of air holes and a plurality of centrifugal holes, and the ash storage bin is installed on the side wall of the pile body; when the fan module works, air enters the spiral pipe through the air holes, the air holes are formed in the side, away from the center of the pile body, of the spiral pipe and are distributed at equal intervals, so that spiral airflow is formed in the spiral pipe after the air enters the spiral pipe, and under the action of the spiral airflow, dust in the spiral pipe can be removed. When the air enters the charging pile, dust and other impurities mixed in the air can be influenced by centrifugal force, at the moment, the centrifugal holes play a role, and the dust and other impurities are thrown into the dust storage bin through the centrifugal holes under the action of the centrifugal force, so that primary dust separation of the air entering the charging pile is achieved, and the influence of dust on internal elements of the charging pile is reduced.

The invention belongs to the technical field of preparation of cutting fluids for low-temperature cooling processing, and particularly relates to a preparation method of a physical and chemical dual-cooling environment-friendly cutting fluid. The cutting fluid comprises the following raw materials: 2-3 parts of base oil, 2-3 parts of a freezing point reducing mixing agent, 1-2 parts of a mixed amine absorbent, 1.5-2 parts of an antirust agent, 1.5-2 parts of an extreme pressure agent, 0.05-0.1 part of a preservative, 0.1-0.2 part of a defoaming agent, 1.3-2 parts of a nano reinforced phase, 1.3-2 parts of a dispersing agent and 122-185 parts of water. By adding the mixing agent for reducing the freezing point, the cutting fluid can still keep good flowability and permeability when used in a low-temperature environment. By adding the nano reinforced phase, the compression resistance and lubricating property of the cutting fluid are improved, the friction coefficient between cutters and chips is reduced, and the service life of the cutters is prolonged. Compared with the existing cutting fluid, the cutting fluid has excellent lubricating, cooling and cleaning effects, is outstanding in lubricating performance and cooling performance, and is suitable for being used in various cutting processing technologies.

The invention relates to a closed hydrogen-oxygen fuel cell system and a control method thereof. The closed hydrogen-oxygen fuel cell system comprises a hydrogen-oxygen fuel cell stack, an oxygen gas path, a hydrogen gas path and a nitrogen gas path, the oxygen gas path comprises an oxygen ejector, an oxygen water segregator and an oxygen water storage tank; an oxygen circulating electromagnetic valve is arranged between the oxygen ejector and the oxygen water segregator; the oxygen water segregator is connected with the oxygen water storage tank to form a drainage pipeline; the oxygen ejector and the oxygen water knockout drum are respectively connected with an inlet and an outlet of the hydrogen-oxygen fuel cell stack, so that a circulating gas path is formed among the oxygen ejector, the oxygen water knockout drum and the hydrogen-oxygen fuel cell stack; a hydrogen gas path is similar; the nitrogen gas circuit comprises a nitrogen medium-pressure electromagnetic valve and a nitrogen medium-pressure sensor, and the nitrogen medium-pressure electromagnetic valve is connected with an inlet of the oxygen proportional valve and an inlet of the hydrogen proportional valve through nitrogen branches. Compared with the prior art, the closed operation and effective drainage of the hydrogen-oxygen fuel cell system are realized, and the damage to the fuel cell system caused by difficult drainage is avoided.

The present application provides a method for producing molded coke by utilizing coke powder as a resource, comprising the following steps: 1) mixing coke powder with water to obtain wet coke powder. 2) mixing wet coke powder with a binder to obtain a mixing and stirring step of a batch material. 3) transferring the batch material to a buffer bin, and outputting the batch material quantitatively to a briquette machine through the buffer bin. 4) pressurizing the batch material through a briquette machine to obtain a cold pressing step of wet molded coke. 5) drying the wet molded coke through a dryer to obtain a drying step of molded coke. The drying step comprises: desulfurizing and denitrifying the flue gas of the coke oven to obtain flue gas to be dried, passing the flue gas to be dried into a dryer, drying the wet molded coke to obtain dried flue gas and molded coke, and removing dust from the dried flue gas and discharging it. The present application realizes the production of molded coke by utilizing coke powder as a resource, and improves the mechanical strength of the molded coke.

The invention discloses multi-source solid waste filling slurry and a preparation method thereof, and belongs to the technical field of green filling mining of coal mines. The multi-source solid waste filling slurry is prepared from the following raw materials: a multi-source solid waste material, water-borne epoxy resin, a curing agent, water-borne acrylic resin and polyacrylic acid, the multi-source solid waste material comprises the following raw materials: tailings, desulfurized gypsum, fly ash and gasified slag. The used raw materials are all green and environment-friendly raw materials, various solid waste materials are low in cost, cement does not need to be added in the whole preparation process, the coal mine filling and mining cost is effectively reduced, various solid waste materials are efficiently and reasonably used, ground surface accumulation is reduced, and the green mining process of coal is greatly promoted; a brand-new green filling path is provided for cemented filling mining, and wide social benefits and economic benefits are achieved on the aspect of guaranteeing safe and low-cost mining of mines.

The invention relates to the technical field of waste gas recovery treatment equipment, in particular to an integrated waste gas recovery treatment device for lithium battery production, which comprises a bracket, a tower body is mounted in the bracket, an upper partition plate and a lower partition plate are connected in the tower body, and the interior of the tower body is sequentially divided into a solid-gas separation chamber, a washing chamber and an absorption chamber by the two partition plates from bottom to top; filter screens are connected into the washing chamber and the absorption chamber, the bottom of the tower body is communicated with an ash hopper, a spiral gas injection pipe extending into the solid-gas separation chamber is mounted at the lower part of the tower body, gas delivery pipes are mounted on the two partition plates, and annular liquid spraying pipes located above the filter screens are connected into the washing chamber and the absorption chamber. A plurality of functional units for cyclone separation of particles and gas, gas washing, harmful gas absorption and the like are integrated in the tower body, the integration level is high, meanwhile, due to the compact design, the tower can efficiently operate in a limited space, the treatment efficiency is high, the occupied area is small, and the energy consumption and the operation cost are reduced.

The invention discloses a pig farm sewage treatment system and method, and belongs to the technical field of farm sewage treatment, the pig farm sewage treatment system sequentially comprises a water collecting tank, a dosing mixing tank, a solid-liquid separator, an adjusting tank, a HiRAD anaerobic device, a reaction sedimentation tank, a water quality adjusting tank, an SBR biochemical tank, a C-MBR biochemical tank, a disinfection tank and a reuse water tank; by means of the system and the method, sewage discharged by the pig farm through the liquid manure technology can be effectively purified, organic carbon in the sewage can be converted into methane to the maximum extent, the methane becomes a high-quality biomass resource, waste is turned into wealth, emission of toxic gas is avoided, it is guaranteed that the pig farm is clean and sanitary, and the economic benefits of the pig farm are improved. Infection and spreading of diseases are avoided; meanwhile, a large number of nutrient sources, such as nitrogen and phosphorus, in the sewage are converted into organic fertilizer; the purified wastewater is deeply cleaned, so that the recycling standard is met, and the cyclic utilization of resources is realized.

The invention discloses a silencing device for an outlet of a fire-fighting smoke exhaust fan. The silencing device comprises a mounting cylinder and a plurality of components assembled in the mounting cylinder, wherein the components comprise a smoke dust cleaning component, a heat exchange silencing component, a smoke dust collecting tank, an adsorption component and a smoke dust discharging component. The smoke cleaning assembly is located at the top of the mounting cylinder, the heat exchange silencing assembly and the smoke collecting tank are connected to the bottom of the mounting cylinder, the adsorption assembly is connected to the bottom of the heat exchange silencing assembly, and the smoke discharging assembly is connected to the bottom of the smoke collecting tank and located on the inner side of the adsorption assembly. The device forms a closed cold air through cavity, and a smoke outlet is formed in the bottom, so that effective smoke emission is ensured. In addition, the device further comprises a stirring assembly, a conveying assembly and a driving assembly which are connected with the adsorption assembly and the smoke dust discharging assembly respectively. Not only is the silencing effect remarkably improved, but also the functions of smoke cooling, dust removal and toxic and harmful substance treatment are integrated, many problems in the prior art are effectively solved, and a safe, environment-friendly and efficient smoke exhaust silencing device is provided for the field of fire protection and smoke exhaust.

The invention discloses a manufacturing method of a sunshade net, raw materials are made into a plastic film through heating equipment, the plastic film is conveyed through a conveying assembly, a positioning mechanism and dust collection equipment are matched to conduct dust collection treatment on the plastic film, and finally drying treatment is conducted through a drying assembly. The quality and the performance of the product are ensured, and the implementation of the steps has obvious effects on the aspects of improving the sunshade effect, the durability, the anti-aging performance and the like of the sunshade net.

The utility model provides an asphalt emulsifying device which comprises a heating tank, and a conveying pipe and a charging hole are fixedly connected outside the heating tank. When the asphalt emulsifying device is used, asphalt is filled into a heating tank through a charging hole, the asphalt becomes liquid after being heated, the liquid asphalt is conveyed into the emulsifying tank through a conveying pipe under the action of a pump body, and in the process, the asphalt is heated to boil off gas which can exert reverse acting force on a piston, so that the asphalt is emulsified. At the moment, the reset spring contracts, the piston slides upwards along the interior of the sleeve, when the air pressure is too large, the reset spring continuously contracts, the piston slides to the top of the pressure relief pipe, and air can be discharged through the pressure relief pipe, so that safety accidents caused by too large pressure intensity are avoided, and the protection effect is achieved; impurities in the gas can be filtered through the filter plate, peculiar smell in the gas can be adsorbed through the activated carbon layer, and air pollution caused by direct emission of the peculiar smell can be avoided.

The utility model discloses a desulfurization wastewater drying tower, which belongs to the field of wastewater treatment and comprises an inner cylinder and an outer cylinder, a hot air inlet is arranged on one side of the lower portion of the inner cylinder, an ash hopper is arranged on the lower portion of the inner cylinder, an ash discharging valve is arranged on the lower portion of the ash hopper, the lower portion of the inner cylinder is communicated with the outer cylinder through a plurality of circulation pipes, and a communication pipe is arranged on the lower portion of the hot air inlet. An exhaust pipe is arranged on the upper portion of the outer cylinder, a rainproof cap is arranged on the upper portion of the exhaust pipe, a preheating box is arranged on the lower portion of the outer cylinder, and a waste water inlet pipe is arranged on one side of the preheating box. A water pump is arranged on one side of the outer barrel, a water suction pipe of the water pump extends into the preheating box, a water outlet pipe of the water pump is connected with a coil pipe, the coil pipe is arranged in the inner barrel, and a plurality of atomizing nozzles are arranged on the lower portion of the coil pipe. Waste heat of the inner cylinder of the drying tower is used for preheating waste water in the preheating box, the spraying temperature of the desulfurization waste water is increased, the drying efficiency of the desulfurization waste water is improved, the utilization rate of flue gas heat is improved, and the energy consumption of system operation is reduced.

The invention provides a heavy metal treatment module and a heavy metal sewage treatment method. The heavy metal treatment module comprises a water collecting and dosing area, a coagulating sedimentation area, a clear water area and a controller. And the coagulating sedimentation area is connected with the water collecting and dosing area. The clear water area is connected with the coagulating sedimentation area and is provided with a first water quality monitor and an outlet valve, the first water quality monitor is used for monitoring the heavy metal content of the clear water area, and the outlet valve is used for opening and closing a water outlet of the clear water area. The controller is electrically connected with the first water quality monitor and the outlet valve, and when the first water quality monitor monitors that the heavy metal in the clear water area exceeds the standard, the controller controls the outlet valve to be closed. The problem that heavy metal sewage is discharged when filtered and adsorbed waste liquid does not reach the standard in an existing treatment device is solved.

A utilization method of FAU molecular sieve crystallization mother liquor, characterized in that, comprising: uniformly mixing FAU molecular sieve mother liquor, silicon source, inorganic alkali, water and aluminum source to obtain a type molecular sieve synthesis system mixture with a molar ratio of SiO2 / Al2O3=1.85-1.99, Na2O / SiO2=1.0-1.6, H2O / SiO2=45-65; aging and hydrothermal crystallization are performed on the mixture, and the product is recovered to obtain a type molecular sieve and a type molecular sieve filtration mother liquor; or further uniformly mixing the type molecular sieve filtration mother liquor and an aluminum-containing compound, stirring at 160-200 DEG C for 2-8 hours to obtain a recycled aluminum source with a SiO2 content of 50-300 ppm; uniformly mixing silicon source, inorganic alkali, recycled aluminum source and water to obtain a FAU molecular sieve synthesis system mixture, aging and hydrothermal crystallization are performed on the mixture, and the product is recovered to obtain a FAU molecular sieve and a FAU molecular sieve crystallization mother liquor. The method can not only completely recycle the FAU molecular sieve mother liquor, avoid waste water discharge, reduce the consumption of inorganic alkali and deionized water, and significantly reduce the production cost, but also can be flexibly used for preparing FAU molecular sieve and / or a type molecular sieve.

The utility model provides a kind of carbon emission detection device for logging with warning function, it is related to logging gas detection technical field, including carbon emission detector, the right side of carbon emission detector is provided with processing mechanism;Processing mechanism includes heat insulation cylinder, heat insulation cylinder is set to the right side of carbon emission detector, the inner wall of heat insulation cylinder is fixedly connected with heating cylinder, the left side of heating cylinder is fixedly communicated with exhaust pipe, the left end of exhaust pipe is fixedly communicated with the gas outlet end of carbon emission detector, the outer surface of heating cylinder is equipped with electric heating wire, the outer surface of heat insulation cylinder is fixedly communicated with gas supply pipe.This carbon emission detection device for logging with warning function, after logging carbon emission detection device detects harmful gas and alarms, can carry out harmless treatment to harmful gas, prevent harmful gas from being directly discharged to pollute environment, further prevent staff from inhaling harmful gas, improve the effect of logging carbon emission detection device warning safety protection measures.