517 results about "Zero emission" patented technology

The invention relates to the technical field of flue gas recirculation, in particular to a bell-type annealing furnace oxygen-rich combustion flue gas recycling system and method, and the system comprises a circulating flue gas heating cylinder, an oxygen-rich combustor and a system control valve group; oxygen of the oxygen-rich combustor is mixed with fuel, after the fuel enters the circulating flue gas heating cylinder, the oxygen is mixed with part of the fuel to form root flame, and the unburned fuel and oxygen are completely combusted in the circulating flue gas heating cylinder to form flameless flame; the number of the circulating flue gas heating cylinders is one or more, each circulating flue gas heating cylinder is provided with an oxygen-rich combustor, heat generated by combustion is used for heating flue gas generated by combustion of oxygen and fuel in the circulating flue gas heating cylinders, the heated flue gas is circulated to the bell-type furnace through the high-temperature and high-pressure circulating flue gas fan, and redundant flue gas is recycled in a centralized mode. According to the system, heat is fully utilized through flue gas circulation, heating uniformity and quality are improved, combustion flue gas is high-purity carbon dioxide, and zero emission of the flue gas can be achieved through trapping and recycling.

The invention discloses a range-extended hybrid motorboat system and a control method, and relates to the technical field of new energy engineering, and the system comprises a man-machine interaction unit which is used for receiving an operation instruction and displaying a system state; the system control unit is used for receiving a user instruction and feedback information and issuing a control instruction to the corresponding unit; the high-low voltage unit is used for storing, converting and distributing the electric energy; and the power integration unit is used for providing a fuel power source for the range extending mode and comprises an engine, an engine controller, an electric control ISG motor, an electric control driving motor, a cooling device, a fuel tank and a liquid level sensor. The range-extended hybrid power mode of fuel power generation and motor driving is adopted, the battery is continuously charged or the electric control driving motor is directly supplied with power when the electric quantity is insufficient, energy can be quickly supplemented through refueling, the problems that a pure electric motorboat is short in endurance and inconvenient to charge are effectively solved, and the service life of the pure electric motorboat is prolonged. The advantages of low noise and zero emission of pure electric drive and long endurance of fuel power are achieved.

The invention discloses a gas-liquid reaction system. The gas-liquid reaction system comprises a wastewater pool, an ozone generator, an oxidation reaction tank and a first micro-interface generator located in the oxidation reaction tank. An inlet of the first micro-interface generator is communicated with the wastewater pool and the ozone generator, and an outlet of the first micro-interface generator is communicated with the inside of the oxidation reaction tank. Therefore, wastewater in the wastewater pool and ozone produced by the ozone generator can be simultaneously conveyed to the first micro-interface generator, the wastewater and the ozone oppositely run in the first micro-interface generator to crush and disperse the ozone into micron-sized ozone micro-bubbles, and the mass transfer area between the ozone micro-bubbles and the wastewater in the oxidation reaction tank can be increased by the ozone micro-bubbles; the oxidation reaction between the ozone and the wastewater is promoted, so that the utilization rate of the ozone is improved. As the oxidation reaction tank is communicated with the wastewater pool, unreacted ozone in the oxidation reaction tank can be conveyed into the wastewater pool to oxidize wastewater, so that the unreacted ozone is fully utilized, and zero emission of ozone is realized.

The present invention discloses a zero-emission process for the coordinated treatment of multi-source wastewater in a steel mill. This process features zero-emission selective separation of desalted water and coal gas condensate from a softening station, recovery of natronasite from cold-rolling rinsing wastewater using high-pressure nanofiltration concentrate, coordinated treatment of high-pressure reverse osmosis concentrate with desulfurization wastewater and high-salt solid waste ash, and low-cost treatment of ammonia and nitrogen. The coordinated treatment of multi-source wastewater and high-salt solid waste ash significantly reduces the pollutant content in ash washing water, thereby reducing subsequent wastewater treatment costs and wastewater usage, significantly lowering the disposal costs of solid waste and wastewater, and achieving internal consumption and zero-emission of multi-source wastewater.

The embodiment of the utility model provides zero-emission methanol preparation equipment based on garbage gasification and water electrolysis. The equipment comprises a water electrolysis hydrogen production unit, a garbage gasification unit, a first methanol synthesis unit, a second methanol synthesis unit and a gas separation unit, the water electrolysis hydrogen production unit is respectively connected with the garbage gasification unit, the first methanol synthesis unit and the second methanol synthesis unit; the gas separation unit is respectively connected with the garbage gasification unit, the first methanol synthesis unit and the second methanol synthesis unit; the water electrolysis hydrogen production unit generates hydrogen and oxygen through electrolysis; the garbage gasification unit is used for carrying out gasification reaction by using oxygen provided by the water electrolysis hydrogen production unit to prepare synthesis gas containing carbon monoxide, carbon dioxide and hydrogen; the gas separation unit is used for separating carbon monoxide, carbon dioxide and hydrogen in the synthesis gas introduced from the garbage gasification unit, the carbon monoxide and the hydrogen are introduced into the first methanol synthesis unit, and the carbon dioxide is introduced into the second methanol synthesis unit for preparing methanol respectively.

The invention relates to a combustion device and a combustion method for an SOFC (solid oxide fuel cell) power generation system taking carbon-based synthesis gas as fuel, and the combustion device disclosed by the invention can be used as a starting combustor and can improve the net power generation efficiency of the SOFC power generation system. Moreover, the combustion device disclosed by the invention utilizes the cathode tail gas at the starting temperature rise stage as the combustion-supporting gas to replace external air input, so that the device cost can be reduced while the economic effect of the system is improved. Meanwhile, according to the combustion device disclosed by the invention, the cathode tail gas entering the cathode tail gas cavity from the cathode tail gas branch to diffuse and flow can be used as cooling gas of the head of the combustor, so that the temperature of the head of the combustor is adjusted, and local overtemperature is prevented. Besides, the combustion device disclosed by the invention can be used for combusting the anode tail gas and the cathode tail gas of the SOFC power generation system after being mixed, so that unreacted fuel in the anode tail gas can be completely combusted, near-zero emission of CO2 is achieved, and the fuel utilization rate of the system and the overall efficiency of the system can be further improved.

A fleet and trolley system, a first method of charging a work machine, and a second method of charging a fleet of work machines are disclosed. The fleet and trolley system includes a trolley network, at least one zero-emission work machine, and a controller. The controller manages a scheduled usage of the trolley network, a power draw, and a distribution of the power draw by the work machine. The first method includes monitoring states of the work machine, scheduling a usage of the trolley network, and supplying electric power to the work machine. The second method includes monitoring states of a fleet, monitoring states of the trolley network, scheduling usages of the trolley network, and supplying electric power to one or more machines of the fleet. Advantageously, the disclosed system and methods may improve an efficiency, productivity, and longevity of a fleet of zero-emission work machines.

The invention relates to an optimized storage high-efficiency regeneration treatment circulating slurry system and a construction method thereof. The construction method comprises the main construction steps that a hole cleaning and slurry replacement system is constructed; constructing a slurry three-stage purification treatment system; (3) installing a fresh slurry preparation system; installing an intelligent control module; manufacturing a cyclic regeneration slurry tank and a waste soil collecting pool; laying a storage silo; recycling and treating slurry in the hole; preparing new slurry; preparing cyclic regeneration slurry; storing regenerated slurry; and slurry replacement construction. According to the invention, a regeneration treatment circulating slurry system is adopted, the occupied area is reduced by optimizing a slurry storage mode and improving treatment equipment such as a slurry treatment system, an intelligent control system is adopted, the waste slurry treatment capacity is improved, the slurry quality is ensured, the zero emission target is realized, and the system has a wide application prospect.

The application relates to the technical field of wastewater treatment equipment, in particular to a zero-emission multistage wastewater treatment device for industrial high-salinity wastewater, which comprises a base, a fixing frame fixedly installed on the base and a supporting limiting frame fixedly installed on the fixing frame, the supporting limiting frame is slidably connected with a heat exchange box, the front end face of the fixing frame is provided with limiting assemblies corresponding to the heat exchange box on both sides, a sedimentation tank and a core treatment tank are installed on the fixing frame from top to bottom and located at the bottom of the heat exchange box, the heat exchange box, the sedimentation tank and the core treatment tank are sequentially communicated through connecting channels, a feeding pipe is arranged on the side wall of the sedimentation tank, the sealing assembly is driven to rotate by a motor-driven screw rod, the extrusion frame is driven to slide along the guide column, the pressure of the extrusion frame on the third sealing frame can be automatically adjusted, the extrusion plate can be tightly combined with the third sealing frame, the pressure is uniformly distributed, the traditional manual sealing adjustment mode is replaced, and the sealing reliability is further improved.

The invention provides a resource comprehensive utilization method of vanadium-containing steel slag and vanadium extraction tailings, and belongs to the technical field of application of metallurgical slag. Comprising the following steps: (1) proportioning raw materials; (2) low-temperature roasting pretreatment; (3) directionally extracting vanadium; (4) cleaning, reducing and extracting iron; (5) residues are functionally utilized; from the perspective of the whole scheme, all the steps are closely connected and have a synergistic effect. The raw material ratio and low-temperature roasting pretreatment lay a good foundation for subsequent directional vanadium extraction and clean reduction iron extraction, so that the vanadium and iron extraction is more efficient; and the residues obtained after vanadium extraction and iron extraction are subjected to functional utilization to prepare the light-weight insulating bricks, so that zero emission and resource utilization of the waste residues are realized. The method not only solves the environmental problem caused by accumulation of the vanadium-containing steel slag and the vanadium extraction tailings, but also has a good industrial application prospect by efficiently recovering vanadium and iron resources and preparing the light insulating brick with a high additional value.

The invention belongs to the technical field of tunnel construction, and particularly relates to tunnel new energy operation equipment and an energy consumption control method thereof.The tunnel new energy operation equipment comprises a crawler chassis, the crawler chassis is driven by a motor, an electric telescopic arm is fixedly installed on the surface of the crawler chassis, and an external cable is slidably connected to the inner wall of the electric telescopic arm; the external cable is used for being connected with a power grid to provide electric energy for operation equipment. According to the tunnel new energy operation equipment and the energy consumption control method thereof, by arranging the energy storage driving control mechanism and the rotary conductive mechanism, seamless switching and 360-degree continuous rotation operation of the equipment in a power grid direct supply mode and a battery power supply mode are achieved when the equipment is used, and waste gas pollution in a tunnel is fundamentally eliminated. The system has the characteristics of zero emission, low noise and high energy utilization rate, the direct electric charge and ventilation energy consumption are remarkably reduced, the comprehensive energy consumption is reduced, and a brand new green and efficient equipment solution is provided for tunnel construction.

The invention provides an intelligent regulation and control flue gas denitration and desulfurization system, and relates to the field of flue gas denitration and desulfurization. The intelligent regulation and control flue gas denitration and desulfurization system comprises a flue gas inlet, a pretreatment module is arranged at the output end of the flue gas inlet, and a denitration system C and a desulfurization system D are arranged at the two output ends of the pretreatment module. According to the system, flue gas is sequentially treated through the flue gas inlet, the pretreatment module, the denitration system C and the desulfurization system D, data intercommunication and cooperative regulation and control of all links are achieved through the intelligent management and control platform, the system is different from a traditional denitration-desulfurization independent operation mode, the removal efficiency is improved by 5%-10%, and the energy consumption is reduced. Meanwhile, a denitration waste catalyst is recycled through a resource recycling system, desulfurization waste water is subjected to zero-discharge treatment to achieve gypsum high-valued treatment and waste water recycling, the comprehensive utilization rate of solid waste is larger than or equal to 90%, the treatment cost is reduced by 30% compared with a traditional process, and a digital twin engine (the running state of a real-time mirroring physical system supports virtual debugging of process parameters) is adopted.

The present invention provides an energy recovery pure electric tension machine and a control method thereof, belonging to the technical field of tension machines. The present invention comprises: a tension wheel; a first motor is connected to the tension wheel via a first magnetic powder brake, a first reducer and a first torque sensor in sequence; a second motor is connected to the tension wheel via a second magnetic powder brake, a second reducer and a second torque sensor in sequence; the speed and rotation direction of the first motor and the second motor are controlled by a control panel according to the values displayed on the first torque sensor and the second torque sensor; the control panel adjusts the tension of the tension machine by controlling the first magnetic powder brake and the second magnetic powder brake respectively. The present invention adopts an integrated charging and discharging motor to directly drive the reducer to drive the tension wheel to work, and adopts a magnetic powder brake to provide tension for the tension wheel, achieving the same effect as a traditional hydraulic tension machine, realizing zero fuel and zero emissions, effectively reducing energy consumption, and reducing construction costs.

The invention discloses a cement tanker cleaning waste recycling mechanism which comprises a circulating pool and a circulating pump, the circulating pump can continuously convey slurry waste in the circulating pool into a tanker, the slurry waste repeatedly cleans the tanker, the concentration of the slurry waste is increased, and the standard of semi-finished products of materials is met; the grain recycling pool can be used for collecting rainwater, hardened waste on the outer wall of the tank car and particle waste; and the arc-shaped scraping plate is used for conveying the hardened waste materials and the particle waste materials in the grain material recycling pool into the grain material storage pool. The grain recycling system has the beneficial effects that through the arrangement of the circulating pool, the grain recycling pool and the grain storage pool, the grain recycling pool can collect particle waste on a tank car body, particle waste washed in along with rainwater in a plant and particle waste separated by a solid-liquid separator, the recycling range is expanded, waste water in the plant is fully utilized, and the grain recycling system is environmentally friendly and free of pollution. And zero emission is realized.

The invention discloses a skid-mounted peroxy low-level radioactive waste incineration treatment device and process. The skid-mounted peroxy low-level radioactive waste incineration treatment device comprises a shell. The incineration assembly is arranged on the inner wall of the shell; the treatment assembly is arranged on the inner wall of the shell and comprises a bag-type dust collector arranged on the inner wall of the shell, a spraying mechanism connected with the inner wall of the bag-type dust collector, a two-stage filter arranged on one side of the shell and a condenser arranged on the inner wall of the shell. Through flue gas purification and condensate water recovery, zero discharge of wastewater is ensured, the filter is prevented from losing efficacy due to accumulation of condensate water, and the operation efficiency and safety of the system are improved.

The invention belongs to the technical field of blast furnace gas treatment, and relates to a method for controlling zero emission of gas in a single blast furnace, which comprises the following steps: step 1, carrying out comprehensive adjustment according to original gas balance, and maintaining gas supply and demand balance; 2, by means of interval regulation and control of the gas holder, dynamic storage of the gas holder and pressure stabilization of a pipe network are achieved; step 3, effectively controlling a switch valve group of tail end diffusion to ensure that the tail end diffusion is safe and controllable; and 4, emergency treatment is conducted in the abnormal production state, special measures are made for blast furnace air reduction, gas flow abnormity and gas temperature abnormity, system safety is guaranteed preferentially, and the zero-emission target is dynamically maintained. According to the method, efficient utilization and zero emission of the blast furnace gas are achieved through multi-link cooperative regulation and control, environmental pollution is reduced, and production economy is improved.

The invention discloses a new energy tractor with a hydraulic lifting drive, the front side of the new energy tractor is fixedly connected with a tractor power structure, and the power output end of the tractor power structure is connected with a hydraulic lifting drive assembly; the new energy tractor comprises a frame, a traction front axle arranged on the front side of the lower portion of the frame and a traction rear axle arranged on the rear side of the lower portion of the frame, a supporting plate is fixedly connected to the upper surface of the frame, and a lifting table is hinged to the middle section of the interior of the supporting plate. According to the new energy tractor, remarkable comprehensive benefits are achieved through multi-system collaborative design, the power structure of the tractor adopts a motor direct-drive gearbox and is integrated with a clutch, the advantage of electric zero emission is reserved, torque transmission stability is guaranteed through mechanical power switching, and the new energy tractor is adaptive to complex working conditions; the hydraulic lifting driving assembly innovatively utilizes the power takeoff to distribute power from the transmission shaft, can drive the hydraulic oil cylinder without additionally arranging an independent power source, and is compact in structure and low in energy consumption.

The application provides a photoresist waste liquid recycling device and process, by adding hydrochloric acid to the photoresist waste liquid in the acidification precipitation tank in the pretreatment module to adjust the pH value, the linear phenolic resin precipitation rate reaches more than 95%, and the linear phenolic resin can be used again to the production stage of the photoresist after centrifugal separation, a compound coagulant containing sulfide and polyaluminum chloride is added to the heavy metal capture tank in the pretreatment module, and the removal rate of heavy metal ions reaches 99.5%; then the photoresist fragments are separated by using an ultrafiltration device, and the diatomite modified by NaOH and polyetherimide is used for adsorption and decolorization, then two-stage vacuum distillation process is used to realize the recovery of high-purity solvents in the photoresist waste liquid, finally, the remaining residue is polymerized and cured by ultraviolet radiation, and the solid fuel with high heat value can also be prepared, so that the 'zero emission' and resource full recovery of the photoresist waste liquid are realized, and the treatment cost and environmental risk are significantly reduced.

The application relates to an IGCC system coupled with biomass and near-zero emission high-purity CO2 capture and a working method thereof, and belongs to the field of coal gasification combined cycle power generation coupled with biomass, in particular to an IGCC system coupled with biomass and near-zero emission high-purity CO2 capture and a working method thereof. The application is used for solving the problems that the existing IGCC system has low CO2 capture rate, high energy consumption, low power generation efficiency, and a large amount of nitrogen generated in the oxygen taking process and difficult to effectively utilize. The application comprises an air separation device, a gasification furnace, a sensible heat recovery device, a purification device, a gas power generation unit, a waste heat recovery unit, a steam power generation unit, a biomass fermentation device, a methane reforming unit, an adsorption separation unit and an ammonia synthesis tower. The application is based on the overall coal gasification combined cycle power generation system of post-combustion CO2 capture and oxygen-enriched combustion technology, introduces a biomass ammonia synthesis process, generates H2 and CO through biomass fermentation and reforming, utilizes N2, and improves the system efficiency.

The oxyhydrogen energy carbonization furnace is characterized in that the oxyhydrogen energy carbonization furnace comprises a furnace body and a steam-water collecting barrel arranged in the middle of the furnace body, a feeding opening is formed in the upper portion of the furnace body, and a water jacket is arranged in the furnace wall of the furnace body; the furnace body comprises a drying bin, a first throat opening, a gasification bin, a carbonization bin and a second throat opening from top to bottom, and further comprises blanking plates arranged at the first throat opening and the second throat opening; an annular oxyhydrogen gas pipeline is arranged in the drying bin, and a plurality of oxyhydrogen fire nozzles are arranged on the annular oxyhydrogen gas pipeline; a permeable layer communicated with the water jacket is arranged on an upper slope of the first throat, and an oxyhydrogen nozzle is arranged on a lower slope of the first throat; and a charcoal outlet is formed below the carbonization bin. According to the scheme, gas-carbon co-production, low energy consumption, high benefit and zero emission of the wooden garbage are realized by using hydrogen and oxygen energy, and waste is turned into wealth. According to the structure, the combustion heat value of fuel gas can be effectively increased, and the purity of the fuel gas is improved.

The invention relates to the field of ammonia escape detection, and discloses a TDLAS (tunable diode laser absorption spectroscopy)-based ammonia escape detection method, which simultaneously solves three industrial problems of dust interference, light path offset and calibration dependence on the premise of not increasing hardware complexity. Under unpowered suction, to-be-measured flue gas is driven to be filtered by a filter at the front end of the in-situ sampling probe by using the internal and external pressure difference of the flue and then is introduced into the measuring cavity. A laser beam with a specific frequency is emitted by the laser emitting and receiving unit, is collimated by the collimator, then enters the measuring cavity, is absorbed twice by ammonia molecules in the flue gas, and then returns to the photoelectric detector. And the photoelectric detector converts the optical signal into an electric signal and transmits the electric signal to an analyzer for concentration inversion to obtain an ammonia escape concentration value. According to the method, a closed gas path is formed, so that flue gas is not in contact with the external environment in the whole process, and zero-emission detection is realized. The detection sensitivity and accuracy are effectively improved through a two-way absorption enhanced detection structure, and a reliable solution is provided for ammonia escape monitoring in the industrial process.

The invention relates to the technical field of automobile exhaust treatment, in particular to a bifunctional material, a preparation method thereof and an automobile exhaust treatment method. The provided bifunctional material comprises a catalyst and a carbon dioxide adsorbent, the catalyst comprises an active component and a carrier, the active component is distributed on the surface and / or in the carrier; the active component comprises noble metal. The preparation method of the bifunctional material comprises the following steps: loading a solution of a noble metal precursor onto a carrier through an impregnation method to obtain a first intermediate; mixing a carbon dioxide adsorbent precursor with the first intermediate, and performing dispersion treatment to obtain a second intermediate; and calcining the second intermediate to obtain the bifunctional material. The difunctional material provided by the invention is successfully coupled with a catalyst and a carbon dioxide adsorbent, the difunctional material is developed, near-zero emission of gaseous pollutants and carbon dioxide in the running process of an automobile is realized by utilizing the synergistic effect of the catalyst and the carbon dioxide adsorbent, and the difunctional material has excellent regeneration cycle performance.

The invention belongs to the technical field of energy conservation and emission reduction of sintering circular coolers, and particularly relates to a sintering circular cooler medium-temperature area cross circulation combined waste heat total recovery and zero emission system which comprises a circular cooler, a circular cooling air blower, a waste heat boiler, a circulating fan, a steam turbine generator unit, a condenser and a condensate pump. The waste heat boiler is formed by combining two sets of waste heat boilers, one set of waste heat boiler is a first-section and second-section waste heat boiler, flue gas is taken from a first section and a second section, and exhaust air at the bottom of the first-section and second-section waste heat boiler returns to the first section and the second section through a circulating fan; the other set of waste heat boiler is an overhead three-section waste heat boiler, flue gas of the three-section waste heat boiler is taken from a third section, exhaust air of the three-section waste heat boiler returns to a fourth section, and flue gas of the fourth section returns to the third section; the two waste heat boilers are communicated with a steam supplementing opening of the steam turbine generator unit. The system has the advantages that a new waste heat utilization steam and hot water circulation system is constructed by utilizing the steam supplementing and condensing type steam turbine, and zero emission is realized.

The invention provides a zero-emission power circulation and fuel gas supply system and method for an LNG power-driven ship. The system comprises an internal combustion engine, a nitrogen membrane separation device, a heat regenerator, a water separator, a liquid CO2 storage tank, a liquid oxygen pump, an LNG pump, an LNG storage tank, a liquid oxygen storage tank, a CO2 condenser, a circulation compressor, a gas buffer tank, a CO2 separator, a first-stage water cooler and a second-stage intermediate heat exchanger. According to the internal combustion engine, LNG serves as fuel, an argon and oxygen mixture serves as a circulating working medium to replace air and natural gas to be combusted and push a piston to move, water vapor and gas CO2 in waste gas generated by the internal combustion engine are condensed and separated after being subjected to stepped cooling, and CO2 is liquefied through a circulating compressor and recycled to a liquid CO2 storage tank. According to the invention, argon is used for replacing air to realize waste heat recovery of the internal combustion engine, so that the energy efficiency of the system is improved, and meanwhile, CO2 capture and zero emission of gaseous pollutants are realized.

The invention aims to provide a sintering ring cold waste gas zero emission treatment system and method, and relates to the technical field of waste gas emission in the steel industry. The system comprises a circular cooler, a waste heat boiler and a blast furnace ore tank, a waste gas outlet of the cooling section generating high-temperature waste gas is connected with a waste gas inlet of the waste heat boiler, and a waste gas outlet of the waste heat boiler is connected with air boxes below trolleys of the cooling sections generating the high-temperature waste gas, so that the high-temperature waste gas enters the waste heat boiler to be subjected to waste heat recovery and then enters the cooling sections again to be recycled. The cooling section for generating the medium and low temperature waste gas is connected with the blast furnace ore tank, and the medium and low temperature waste gas is introduced into the blast furnace ore tank to supply heat to the blast furnace ore tank. According to the sintering ring cooler waste gas zero emission system, cross-process resource collaboration is achieved, meanwhile, waste gas is completely consumed, the purpose of sintering ring cooler waste gas zero emission is achieved, other large equipment is not added, and the sintering ring cooler waste gas zero emission system has the advantages of being simple in structure and low in maintenance cost.

The utility model provides a sintering circular cooler waste heat efficient utilization system, and relates to the technical field of circular cooler waste heat utilization, the sintering circular cooler waste heat efficient utilization system comprises a circular cooler body, a waste heat power generation assembly, a hot air sintering assembly and a water heating assembly, five air blowers are arranged on a circular cooling air duct at intervals, and the circular cooling air duct is further provided with five sections of hot waste gas outlets; the first-section hot waste gas outlet and the second-section hot waste gas outlet are connected with the waste heat power generation assembly, the third-section hot waste gas outlet is connected with the hot air sintering assembly, the fourth-section hot waste gas outlet is connected with the water heating assembly, and the fifth-section hot waste gas outlet is connected with an air inlet of the third air blower. The first-section flue gas and the second-section flue gas with higher temperature are used for waste heat power generation, the flue gas of the medium-temperature section is fed into the sintering machine to be utilized, the flue gas of the fourth section is used for making hot water, and the hot waste gas of the low-temperature section is connected into a fan inlet of the medium-temperature section, so that zero emission of the flue gas is realized, and reasonable utilization is realized according to the flue gas temperature and flue gas amount of each section; and full utilization and zero emission are achieved.

The invention relates to the technical field of insulating powder coatings, in particular to a stone-impact-resistant insulating powder coating for an automobile battery tray and a preparation method of the stone-impact-resistant insulating powder coating. The coating is prepared from the following raw materials in parts by weight: epoxy resin A, epoxy resin B, nitrile rubber modified epoxy resin, a phenolic resin curing agent, quartz powder, a flatting agent, pigment, a curing accelerator, an anti-settling agent, an adhesion promoter, a defoaming agent and an electricity increasing agent. The coating is synchronously endowed with ultrahigh insulativity and top-level stone impact resistance through single-time coating, and a secondary construction link is thoroughly canceled; zero VOC emission is realized by adopting a solid powder system; the special toughening resin and the gradient curing process enable the coating to have both rigid protection and toughness buffering, the actually measured stone impact resistance grade is greater than 9 grade, the breakdown voltage meets 6kV, and the leakage current is 1t; and the high-voltage battery system perfectly meets the strict requirements of the high-voltage battery system of the electric vehicle on safety and environmental protection, and solves the technical defects in the traditional scheme.

The utility model relates to the related technical field of reclaimed water treatment, in particular to a zero-discharge reclaimed water recycling device which comprises a base and a pretreatment mechanism, the pretreatment mechanism is arranged on one side of the surface of the base, a biological treatment mechanism is arranged on one side of the surface of the base, and a disinfection mechanism is arranged at one end of the base. According to the reclaimed water recycling device based on zero emission, through the arrangement of the pretreatment mechanism, firstly, reclaimed water is introduced into the water inlet, then a control valve on the water inlet is opened, the reclaimed water enters the first box body through the water inlet, and at the moment, a grating in the water inlet filters particles in the reclaimed water for the first time; when water in the first box body rises to the first filter screen, the first filter screen arranged in the two layers can enter the reclaimed water in the first box body for secondary filtration, when the water level completely overflows the first filter screen, the water pump on the first connecting pipe is opened, the reclaimed water above the first filter screen can be pumped away, and pretreatment of the reclaimed water is completed.

The invention provides a method for preparing iron red by chloridizing and separating an iron-containing alloy and application, and the method comprises the following steps: adding a chlorinating agent into the iron-containing alloy for roasting to obtain roasting slag and roasting flue gas; introducing a first oxidizing gas into the roasting flue gas, and performing primary roasting transformation to obtain a solid and a first mixed gas; introducing a second oxidizing gas into the solid, and carrying out secondary roasting transformation to obtain the iron oxide red and a second mixed gas; wherein the first mixed gas comprises chlorine and ferric oxide gas; the second mixed gas comprises oxygen and chlorine. The method has the characteristic of short flow, realizes zero emission through chlorine medium closed-loop circulation, has the advantages of environmental friendliness and process advancement, and is suitable for large-scale industrial production.

The invention relates to the field of radioactive waste treatment, in particular to a plasma treatment device and method for removing nitrogen oxides and adsorbing radionuclides. According to the device, a plasma furnace is connected with a secondary combustion chamber through a smoke exhaust pipe; a denitration furnace, a heat exchanger, a quench tower, a dust removal cloth bag, a washing tower, a flue gas cooler, a gas-liquid separator and an adsorber are connected behind the secondary combustion chamber; at least two adsorbers are arranged in parallel; one outlet of each adsorber is connected to the electric heater and the induced draft fan; and the other outlet of the adsorber is respectively connected to the plasma furnace and the smoke exhaust pipe. The method comprises the steps that the radioactive waste is incinerated; carrying out melting treatment on inorganic matters generated by incineration treatment; gas generated by incineration treatment enters a secondary combustion chamber to be subjected to secondary plasma incineration treatment; the generated flue gas is subjected to denitration treatment, heat exchange cooling treatment, extremely cold cooling treatment, dust removal treatment and at least two-stage washing treatment; and carrying out low-temperature cryogenic removal treatment, and discharging after heating. According to the invention, zero emission of nitrogen oxides is realized.