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237 results about "Zero emission" patented technology

Zero emission refers to an engine, motor, process, or other energy source, that emits no waste products that pollute the environment or disrupt the climate.

Zero-emission methanol preparation equipment based on garbage gasification and water electrolysis

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.
Owner:XIAN THERMAL POWER RES INST CO LTD

Fleet and trolley system for zero-emission machines

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.
Owner:CATERPILLAR INC

Zero-emission multi-stage wastewater treatment device for industrial high-salinity wastewater

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.
Owner:QINGDAO HAIYAN ENVIRONMENTAL TECH ENG CO LTD

Tunnel new energy operation equipment and energy consumption control method thereof

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.
Owner:CHINA RAILWAY FIRST GRP SECOND ENG CO LTD

Cement tank truck cleaning waste recycling mechanism

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.
Owner:HANDAN RUIRI ZENGHUI COMMERCIAL CONCRETE CO LTD

Method for controlling zero emission of coal gas in single blast furnace

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.
Owner:TIANJIN STEEL PIPE MFG CO LTD

Photoresist waste liquid recycling device and process

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.
Owner:ZHEJIANG ICSPROUT SEMICONDUCTOR CO LTD

An IGCC system coupled with near-zero emission high-purity CO2 capture from biomass and its working method

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.
Owner:HARBIN BOILER CO LTD

Intermediate temperature zone cross circulation combined waste heat total recovery and zero emission system of sintering circular cooler

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.
Owner:MCC NORTH (DALIAN) ENG TECH CO LTD

Zero-emission power cycle and fuel gas supply system and method for LNG (Liquefied Natural Gas) power-driven ship

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.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP

Zero-emission treatment system and method for cold waste gas of sintering ring

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.
Owner:МААНЬШАНЬ АЙРОН ЭНД СТИЛ КО ЛТД

Zero-discharge reclaimed water recycling device

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.
Owner:INNER MONGOLIA YONGXIN ENVIRONMENTAL PROTECTION SERVICE CO LTD

Method for preparing iron oxide red through chlorination separation of iron-containing alloy for improving chlorine utilization rate and application

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.
Owner:CENT SOUTH UNIV +1

Novel BOG replacement zero-emission system for storage tank of LNG receiving station and implementation method

The invention relates to a novel LNG receiving station storage tank BOG replacement zero-emission system and an implementation method, and on the basis of the design of an original LNG receiving station, the arrangement of equipment and facilities of the original LNG receiving station is not changed, and BOG replacement is carried out by adopting the operation scheme of the method. And the natural gas in the high-pressure output pipeline is returned to a BOG pipeline of the LNG storage tank through a throttling expansion device on the high-pressure gas supply pipeline, and the natural gas subjected to throttling expansion pressure reduction is introduced into the LNG storage tank from the tank top. Gas in the storage tank passes through the pump cylinder of the low-pressure pump from the bottom of the storage tank to the emptying valve on the pump cylinder connecting pipeline and is emptied outwards. Meanwhile, low-temperature BOG gas is introduced into a discharging pipeline and enters the storage tank through an upper liquid inlet and a spraying pipeline through the discharging pipeline, and the flow is cut off after precooling of the discharging pipeline of the storage tank is completed; the replacement process is simple and convenient, easy to operate and obvious in energy-saving effect.
Owner:CNOOC GAS & POWER GRP

An apparatus for the rapid transfer of thermal energy, a method for realizing said apparatus, and a system for the generation of zero-emission electricity from other renewable energy sources integrated with said apparatus.

A device (1) for rapidly transferring thermal energy from a thermal energy source (A) to a destination point (B) at a rate higher than the convection and heat transfer capacity of adjacent means 2 and for capturing said thermal energy point or surface, wherein a thermoelectric conversion means located at the destination point B can convert the thermal energy into electrical energy with zero emissions harmful to the environment and living things. The thermal energy is transferred by a coating 4 composed of a plurality of nanometric layers with atoms forming a regular geometric structure (Figure 1). The present invention also relates to a device for the transfer of thermal energy having multiple layers of carbonaceous material on a planar or non-planar (three-dimensional shape), opaque, transparent or translucent, rigid or semi-rigid substrate of fabric, metallic or non-metallic or flexible material, having flexible but not opaque, transparent or translucent natural or synthetic fibers. The present invention also includes a method for manufacturing a device (10 or 10a) for the rapid transfer of thermal energy. The method comprises at least one deposition step of at least one layer (12, 12a-12b-12c-12d, etc.) of a carbonaceous material having a regular geometric structure on a support substrate (11 or 11a) in an environment (110) of a deposition machine (100), the environment being vacuum-packed under controlled temperature and pressure conditions and isolated from the external environment, the deposition being performed along a direction perpendicular or locally radial to a plane or shape substantially defined by the support substrate (11 or 11a). The present invention also relates to an integrated system for generating electrical energy using said device coupled to a possible generator other than a renewable energy source of thermoelectric generator, photovoltaic and / or thermoelectric-photovoltaic and / or motive power type, all used jointly for the supply of an electrical load.
Owner:トゥラノコスモ +1

Zero emission and recovery system for flue gas pollutants of thermal power plant

The invention relates to the technical field of flue gas treatment, in particular to a thermal power plant flue gas pollutant zero emission and recovery system which comprises a pretreatment unit, a desulfurization, denitrification and decarbonization integrated unit, a deep purification unit and a pollutant recovery unit which are communicated in sequence. The control system is electrically connected with the pretreatment unit, the desulfurization, denitrification and decarbonization integrated unit, the deep purification unit and the pollutant recovery unit respectively; the pretreatment unit is used for cooling and dedusting flue gas discharged from the thermal power plant; the desulfurization, denitrification and decarburization integrated unit is used for carrying out desulfurization, denitrification and decarburization synchronous treatment on the pretreated flue gas; the deep purification unit is used for carrying out residual pollutant removal treatment on the flue gas subjected to desulfurization, denitrification and decarbonization treatment, so that the pollutant concentration in the flue gas meets the zero emission requirement; the pollutant recovery unit is used for separating, purifying and recovering generated pollutant products; the control system is used for monitoring operation parameters of all the units in real time and automatically adjusting the operation state.
Owner:ZHAODONG HUANENG THERMAL POWER CO LTD

Flow-through generator with magnetic coupling for pipeline power generation

A pipeline-integrated power generation system for remote oil and gas sites is disclosed. The system utilizes a flow-through generator with contactless magnetic coupling to eliminate shaft seals and dynamic penetrations. The system comprises a pipeline with a flow restriction device creating pressure differential, branch and return lines routing pressurized fluid through the flow through generator, and a sealed housing defining pressurized and atmospheric portions separated by a non-magnetic generator wall. A turbine wheel, shaft, and permanent magnets operate within the sealed portion, while external windings in the unsealed portion generate electricity through magnetic coupling across the generator wall. The contactless design eliminates leak paths, reduces maintenance requirements, and provides zero-emission power generation from existing pipeline flow. The sealed, self-contained design minimizes maintenance and enhances durability, suitable for remote locations.
Owner:PNEUPOWER GENERATORS LTD

Turbo machine

A two-cycle turbo machine (gas turbine cycle and steam turbine cycle) operating at atmospheric air temperature is provided. The turbo machine operates with the temperature of the air in the atmosphere instead of fossil fuels in order to zero the emission of toxic gases such as CO, CO2 and NOx in nature and does not require any other fuel.
Owner:ARI BAYRAM

Rotary smokeless open fire moxibustion device

The invention discloses a rotary smokeless open fire moxibustion device, and relates to the technical field of moxibustion health maintenance equipment. The box body is internally provided with a containing cavity, and a pedal extending to an opening is arranged in the containing cavity; a rotary moxibustion therapy assembly and a filtering and purifying assembly are further arranged in the box body. The rotary moxibustion therapy assembly comprises a stepping motor, a transmission gear set and a pomander used for fixing a moxa cone, and the pomander is eccentrically fixed to a rotating piece of the transmission gear set and driven by the stepping motor to rotate around the pedal area. The filtering and purifying assembly comprises a filtering cotton box, a three-way catalyst box and an exhaust port provided with a fan which are communicated in sequence. And the air inlet hole, the accommodating cavity and the filtering and purifying assembly on the box body are sequentially communicated under the driving of the fan to form a directional air circulation passage. The limitation that the traditional moxibustion position is fixed is broken through, and all-directional dead-corner-free physical therapy is achieved; meanwhile, through directional airflow and a multi-stage deep purification system, stable combustion of moxa cones is guaranteed, and environment-friendly zero emission of waste smoke is achieved.
Owner:XIANGTAN UNIV

A method of red mud treatment

PendingCN122325096ARed mudEngineering
This invention provides a method for treating red mud, comprising the following steps: First, red mud slurry from an aluminum plant is fed into a red mud storage tank, filtered to obtain an alkaline solution and red mud filter cake. The alkaline solution is returned to the aluminum plant, and the red mud filter cake is mixed with additives to form a red mud mixture. Second, the red mud mixture is fed into an electromagnetic rotary kiln for calcination. Within the electromagnetic rotary kiln, from the inlet to the outlet, the temperature varies in different sections: the first section is 25-600℃, the second section is 600-800℃, the third and fourth sections are 800-1000℃, and the fifth section is below 100℃. Third, the output material from the electromagnetic rotary kiln is subjected to dry magnetic separation. The magnetic separation includes two stages: the first stage involves weak magnetic separation of the cooled material to obtain iron concentrate powder and the first tailings; the second stage involves strong magnetic separation of the first tailings to obtain middlings and tailings. The middlings are titanium dioxide, and the tailings are geopolymers. This invention achieves zero-emission standards for the entire production process, has low production investment costs, and is easily compatible with the Bayer process in China.
Owner:LULIANG YAOJIN TECHNOLOGY INNOVATION CO LTD

Zero-discharge plate wastewater membrane separation environment-friendly treatment equipment

The utility model relates to the technical field of plate waste water, and discloses zero-discharge plate waste water membrane separation environment-friendly treatment equipment which comprises a shell assembly, a membrane separation assembly and a membrane separation assembly, the shell assembly comprises a shell, and the top of the shell is communicated with water inlet pipes which are symmetrical to each other; the mixing assembly comprises a first rotating rod and a second rotating rod, and the first rotating rod and the second rotating rod are located on the inner side of the shell and rotationally connected with the shell; an operator respectively throws wastewater to be treated and treatment liquid into the shell through the water inlet pipe. A partition plate I divides a water body, a filter plate preliminarily intercepts particles in the water, then a rotating motor is started to drive a rotating rod I and a gear I to rotate, a gear II rotates through gear meshing transmission, and then a rotating rod II is driven to rotate; according to the meshing characteristic of the gear, the rotating rod I and the rotating rod II rotate reversely, so that the stirring rod forms bidirectional stirring on the water body, the mixing effect of the wastewater and the treatment liquid is enhanced, and the mixing efficiency and uniformity of the wastewater and the treatment liquid are improved.
Owner:PUER LINDA WOOD CO LTD

Circular supply chain using traceable containers with IoT and reverse logistics asset tracker delivered by electric vehicles

PCT designated stageWO2026147338A1Logistics managementElectric cars
This invention relates to a circular supply chain system utilizing IoT-enabled traceable containers and an integrated reverse logistics asset tracking system, specifically designed for delivery and recovery operations conducted by electric vehicles (EVs). The system aims to optimize resource utilization, reduce waste, and enhance sustainability by ensuring real-time monitoring, efficient transportation, and return of containers within the supply chain. At the core of this invention are IoT-enabled smart containers, equipped with sensors to track and monitor key metrics such as location, condition, temperature, and handling parameters throughout their transit lifecycle. These containers are linked to an asset tracker mobile application that allows stakeholders across the supply chain to have real-time visibility and predictive management of the containers. In the reverse logistics framework, used or empty containers are returned to distribution points or the origin for reuse or recycling, facilitated by electric vehicles. This closed-loop process minimizes the need for single-use packaging, reducing both material waste and carbon emissions. The integration of electric vehicles (EVs) in the logistics operations further supports net-zero emission goals by eliminating the need for traditional fuel-powered transportation. The asset tracker mobile application provides end-to-end management of the containers and the EV fleet, incorporating blockchain technology to ensure the transparency and immutability of the data related to the container's journey. By leveraging real-time data, the system provides analytics for efficient scheduling, route optimization, and preventive maintenance of both the containers and the electric vehicles. This invention significantly enhances the efficiency and sustainability of the supply chain by enabling closed-loop logistics, ensuring traceability, reducing environmental impact, and fostering eco-friendly practices in transport and reverse logistics. The combination of IoT, traceable containers, electric vehicles, and reverse logistics offers an innovative solution for industries aiming to minimize waste, lower carbon emissions, and improve overall supply chain sustainability.

A sintering ring cooling zero-emission total heat recovery steam generation system

The present application relates to the technical field of industrial waste heat recovery and intelligent control, in particular to a sintering ring cooling zero-emission total heat recovery steam generation system, comprising a working condition parameter acquisition module for acquiring waste gas working condition parameters in real time; a risk assessment module for determining a real-time pollution risk index based on the waste gas working condition parameters acquired by the working condition parameter acquisition module and a preset risk threshold; a degradation monitoring module for determining a particle comprehensive degradation factor based on particle performance parameters collected by an online sensor; a system deviation degree processing module for determining a system deviation degree factor in combination with the real-time pollution risk index and the particle comprehensive degradation factor; and an adaptive control module for determining an adjusted particle mass circulation rate and an adjusted online cleaning system operation frequency in response to the system deviation degree factor; the present application establishes a multi-dimensional dynamic risk assessment model, significantly improving the operation reliability and survivability of the system under harsh working conditions.
Owner:ZHEJIANG ZHONGHANG ENG TECH CO LTD

Supercritical carbon dioxide collaborative cleaning electronic-grade tank car system and method

The invention belongs to the technical field of zero-emission cleaning of electronic-grade chemical storage and transportation equipment, and discloses a zero-liquid and zero-solid emission dry-type cleaning system and method for the interior of a tank car. The zero-liquid and zero-solid emission dry-type cleaning system and method utilize supercritical carbon dioxide to cooperate with plug-in resorption, miniature ultrasonic cavitation, on-line barrel type filtration, a substitution type low-residue entrainer and an original manhole equal-diameter seal. The system sequentially comprises a liquid CO2 storage tank, a pressure and temperature rising unit, a static mixer, a top cover sealing assembly, an insertion type back-suction cleaning head, an on-line barrel type filtering unit, an on-line particle monitor and a PLC (Programmable Logic Controller) along a material flowing direction, the top cover sealing assembly comprises a top cover with the same diameter as the manhole flange, a stainless steel feeding / suction pipe and a quick-opening clamp, and original manhole-level sealing is formed. According to the device, insertion and sealing are completed through an original manhole or an original discharge port, after cleaning, the particle size is smaller than or equal to 10 pcs / mL, the metal impurity size is smaller than or equal to 1 ppt, the CO2 recovery rate is larger than or equal to 99%, the preparation time is smaller than or equal to 15 min, the cost is reduced by 40-70%, and the requirements of ppt-grade cleaning of 12-30 nm electronic-grade chemicals for advanced manufacturing procedures and the GB 39731-2020 national standard are met.
Owner:HUBEI SINOPHORUS ELECTRONIC MATERIALS CO LTD

An electrically heated glow plug ignition internal combustion continuous supercritical water oxidation apparatus

ActiveCN111943349BWater/sewage treatment apparatusWater/sewage treatment by oxidationGlow plugSupercritical water oxidation
This invention provides a glow plug ignition internal combustion continuous supercritical water oxidation device, comprising three parts: an ignition zone, a reaction zone, and a separation zone. The device utilizes the heat from the glow plug to ignite fuel in the inclined reaction tube, rapidly raising the temperature in the reaction zone to the required level, achieving rapid preheating and efficient degradation of organic wastewater. Furthermore, the fuel does not require a preheater during the entire heating process, reducing equipment investment and energy consumption. The lower end of the separation straight tube is equipped with a first electric ball valve, a salt discharge pipe, and a second electric ball valve. By adjusting the opening and closing of the first and second electric ball valves, automatic salt discharge can be achieved, preventing the generation of saline wastewater and facilitating continuous reactor operation and zero discharge, thus meeting the needs of industrial-scale treatment.
Owner:QINGDAO UNIV OF SCI & TECH

Apparatus for treating liquid effluent using a carrier strip evaporation process

The application discloses a device for treating liquid effluent by using a carrier vaporization process, which comprises a primary filter, a dehumidification and heating device, a wet membrane humidification device, a centrifugal fan, a circulating water tank, a circulating pump and an access door, the dehumidification and heating device is installed at one end of the primary filter, and the wet membrane humidification device is located at one side of the dehumidification and heating device. The device for treating liquid effluent by using a carrier vaporization process can extract radioactive waste liquid from the water tank by using the circulating pump, make the stainless steel membrane uniformly wet, then open the fan, first suck the air outside the device into the primary filter and the dehumidification device, filter and dehumidify the external air, then suck the treated air into the stainless steel wet membrane, form vaporization, and finally discharge the humidified air by the fan, so that the efficiency of treating the radioactive waste liquid is improved, and the device can realize "near-zero emission and near-zero pollution" and better protect the environment.
Owner:SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE CO LTD +1

Evaporation inhibition and carbon reduction device for oil product in storage tank

The invention relates to a storage tank oil evaporation inhibition and carbon reduction device. The device mainly comprises a storage tank, a steam recovery tank, a solar panel, a storage battery, a pressure adjusting air bag, a steam outlet pipe, an acquisition and control module, an air blower, a pressure sensor and the like. The semiconductor chilling plate is used for strengthening steam condensation and liquefaction, the vibration module is used for promoting liquid to slide off, the air space of the air bag automatically expands and contracts along with the pressure change of the storage tank, and a closed self-circulation breathing system is formed. During normal work, steam loss is avoided, external air cannot enter the storage tank, flammable and explosive gas mixtures cannot be formed, safety is improved, and human intervention is not needed during operation. Electric power is provided by the solar panel, external power equipment is not needed, extra energy consumption is not needed, steam zero emission can be achieved, and the device belongs to a low-carbon environment-friendly device and is wide in application and popularization prospect.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Liquid electrode suitable for amplification of microbial electrolysis cell and carbon sequestration device of liquid electrode

The invention relates to a liquid electrode suitable for amplification of a microbial electrolysis cell and a carbon sequestration device of the liquid electrode, and belongs to the field of microbial electrochemical application. The liquid electrode is composed of a solid electrode and humic acid dissolved in a reaction system. As an electron shuttle and a pseudocapacitance energy storage medium, humic acid can efficiently receive electrons from a solid-state electrode and uniformly transmit the electrons to microorganisms in a dissolved state at a long distance in the space of the reactor; therefore, the scale effect problem that the electron transfer efficiency is reduced due to the fact that the size of the microbial electrolysis cell is increased, the electrode distance is increased and the electrode area per unit volume is reduced is fundamentally solved. The carbon sequestration device constructed on the basis of the liquid electrode integrates an autogenous dynamic membrane component taking a stainless steel mesh as a base material and a reverse osmosis product recovery system. The dynamic membrane can effectively intercept humic acid and microorganisms, selectively discharge small molecular products and relieve product inhibition; and the reverse osmosis system realizes high-efficiency recovery and process closed loop of products, and achieves zero emission.
Owner:JIANGNAN UNIV

Molten slag waste heat recovery power generation system and method based on closed pressurized water quenching

The invention discloses a molten slag waste heat recovery power generation system and method based on closed pressurized water quenching, and belongs to the technical field of energy utilization. The system comprises a blast furnace molten slag intermediate tank, a closed water quenching heat collector, a dust removal and dehydration device, a low-pressure turbine generator set, an evaporative condenser, a condensate pump, a water jet air exhaust type vacuumizing device and a water quenching slag discharging device. The method comprises the following steps: performing cutting, crushing and shock cooling granulation on the high-temperature molten slag through a 7.5-15.0 MPa high-pressure jet water jet cutter, and under the 0.1-1.0 MPa under-pressure environment, enabling cooling water to be quickly vaporized by sensible heat of the molten slag to generate under-pressure steam; after steam is purified, the low-pressure turbine generator set is driven to generate electricity, dead steam is condensed after acting and then sent back to the heat collector through a condensate pump to be recycled, and granulated water slag is discharged through a slag discharging device. According to the system, molten slag treatment, waste heat recovery power generation and pollutant control are organically combined, high-grade waste heat recovery, water resource closed-loop circulation and pollutant near-zero emission are achieved, and the energy utilization efficiency and environmental protection benefits are remarkably improved.
Owner:赵海凡

Megawatt hydrogen fuel cell power generation system structure

The utility model relates to the technical field of hydrogen fuel cell power generation, in particular to a megawatt hydrogen fuel cell power generation system structure. Comprising a container, a hydrogen fuel battery pack module cabin and an electrical cabin, an explosion-proof wall is arranged in the middle in the container, the hydrogen fuel battery pack module cabin is arranged on one side of the explosion-proof wall, a cooling system is arranged on the top of the hydrogen fuel battery pack module cabin, and an energy recovery system is arranged on the side, close to the explosion-proof wall, of the bottom of the hydrogen fuel battery pack module cabin. A hydrogen fuel battery pack module is placed in the hydrogen fuel battery pack module cabin, the hydrogen fuel battery pack module is of a drawer type structure, hydrogen fuel batteries can be placed in the drawer, an electrical cabin is arranged on the other side of the explosion-proof wall, a fire control system is arranged in the electrical cabin, and a hydrogen fuel supply system is arranged on the outer side of the container. And the hydrogen fuel supply system is communicated with the hydrogen fuel battery pack module cabin. The power of the power generation device is improved through structural optimization and control, the power generation efficiency of the whole power generation device is improved through the energy recovery system, and zero emission and zero pollution are achieved.
Owner:SHANGHAI ANCHI TECH CO LTD