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16results about How to "Fully recycle" patented technology

Corrugated board spraying and humidifying equipment

ActiveCN224227553UWide thickness rangefully recyclePaper after-treatmentElectric machinePaper production
The utility model discloses spraying and humidifying equipment for corrugated boards, which relates to the technical field of corrugated paper production and comprises a processing box and a water tank fixedly arranged at the bottom end of the processing box through a collecting hopper, and further comprises a conveying unit and a spraying unit which are arranged on the processing box, and vertical strip-shaped through grooves are respectively formed in two opposite side surfaces of the processing box; the conveying unit comprises a rectangular frame plate, a transverse lead screw, a supporting plate, a rotating shaft, a vertical roller, a rotating motor and a transverse roller, and the rectangular frame plate is fixedly arranged on the surface of one side of the treatment box; the spraying unit comprises a conveying pump, a water conveying pipe, a vertical mist spraying plate, a supporting frame plate and a filter plate. According to the corrugated board conveying device, the rotating motor operates to drive one rotating shaft to rotate, one vertical roller rotates actively, the other vertical roller rotates along with the rotating shaft to push a corrugated board to enable the corrugated board to pass through the interior of a processing box, and the corrugated board conveying device can be matched with the corrugated board to be vertically placed, conveyed, sprayed and humidified and is wide in adaptive corrugated board thickness range.
Owner:LUOHE SENFAN IND & TRADE CO LTD

Recycling process of carbon fiber production waste liquid

The invention discloses a carbon fiber production waste liquid recycling process, which comprises: (1) inputting a waste liquid containing acrylonitrile and dimethyl sulfoxide into an acrylonitrile recovery tower, controlling the pressure and the temperature, enabling acrylonitrile and a part of water to form a gas phase, and separating the gas phase from the tower top to obtain dimethyl sulfoxide and water at the tower bottom; (2) dimethyl sulfoxide and water at the bottom of the acrylonitrile recovery tower sequentially enter a first-stage dehydrating tower, a second-stage dehydrating tower and a third-stage dehydrating tower, water is discharged from the tops of the dehydrating towers, and dimethyl sulfoxide at the bottom of the tower is purified step by step until the concentration reaches 99.5% or above; and (3) the purified dimethyl sulfoxide enters a rectifying tower, the pressure and the temperature are controlled, dimethyl sulfoxide impurities exist at the tower bottom, dimethyl sulfoxide forms a gas phase, the gas phase is discharged through the tower top, and after condensation and recovery, a pure dimethyl sulfoxide product without impurities is obtained. The process is efficient, environment-friendly and energy-saving, and the recovery rate of acrylonitrile and dimethyl sulfoxide is high.
Owner:JILIN TANGU CARBON FIBER CO LTD +1

A biomass boiler slag heat recovery device

InactiveCN122083761AAchieve heat preservationfully recycleHeat storage plantsCorrosion preventionThermodynamicsBoiler furnace
This invention relates to the field of heat energy recovery technology, specifically disclosing a biomass boiler slag heat recovery device, including a receiving unit, a conveying structure, and a heat exchange structure. The conveying structure is fixedly installed on the receiving unit, and the heat exchange structure is fixedly installed on the conveying structure and located above the receiving unit. This invention achieves full and efficient waste heat recovery, realizing multi-level utilization of heat energy. The heat exchange structure has a simple design, is easy to process and assemble, and operates stably, achieving environmentally friendly operation. It takes into account both waste heat recovery and dust control, centrally collects slag residue, maintains a clean working environment, and facilitates subsequent processing. The heat energy utilization method is practical and adaptable to actual industrial heat demand. The structure has strong synergy, and the overall equipment is compact with high space utilization.
Owner:JIANGSU YUTAI ENERGY EQUIP CO LTD

Gas turbine methanol compound cycle power generation system based on expansion machine and methanol reforming reaction waste heat recovery

The invention provides a gas turbine methanol compound cycle power generation system based on an expansion machine and methanol reforming reaction waste heat recovery. A methanol solution storage tank, a pump, a liquid methanol solution gasifier, a gaseous methanol-steam reforming reactor, the expansion machine and a gas turbine are integrated and circulated; exhaust smoke of a gas turbine sequentially passes through the gaseous methanol-steam reforming reactor unit and the liquid methanol solution gasifier unit for heat exchange and cooling and then enters an exhaust system; a liquid methanol solution is discharged from the liquid methanol solution storage tank, sequentially passes through the pressure pump, the liquid methanol solution gasifier unit and the gaseous methanol-steam reforming reactor unit, and then is converted into mixed gas of methanol, hydrogen, carbon dioxide and water; and after pressure reduction and temperature reduction, the gas enters a combustion chamber of the gas turbine to be mixed with air for combustion. The system has the advantages that the methanol reforming reaction hydrogen production technology, the expansion machine technology and the gas turbine cycle are integrated, and efficient power generation is achieved.
Owner:SHANGHAI NAIRUOSHI POWER TECHNOLOGY CO LTD

A multi-energy collaborative heating system, method, device and medium

PendingCN122544358Aincrease profitEffectively maintain heat balance
The application provides a multi-energy cooperative heating system, method, equipment and medium, and relates to the technical field of heating. The system comprises: a group of buried tube wells, which are used for transmitting external waste heat into a rock-soil layer to store heat and generate a heat storage rock-soil layer in a non-heating season; a biomass cogeneration unit, which is used for generating power, exhaust steam and flue gas; a ground source heat pump unit, which is used for extracting heat from the heat storage rock-soil layer in a heating season by taking a preset part of the power as a driving source, generating water at a first temperature according to the heat; a flue gas waste heat recovery device, which is used for recovering the flue gas and generating water at a second temperature by taking the flue gas as a driving source; and an absorption heat pump unit, which is used for increasing the temperature of the water at the first temperature and the water at the second temperature, generating water at a third temperature, and outputting the water at the third temperature to a heating pipe network. The application has the technical effect of meeting the long-term needs of a central heating pipe network for heating continuity and hot water quality.
Owner:WANJIANG NEW ENERGY CO LTD BEIJING NEW ENERGY TECHNOLOGY BRANCH +2

Process and apparatus for co-production of steam and nitrogen by catalytic combustion of hydrogen

The application provides a hydrogen catalytic combustion process for co-production of water vapor and nitrogen. The application also provides a hydrogen catalytic combustion device for co-production of water vapor and nitrogen. The hydrogen catalytic combustion process and device provided by the application have the advantages of simple process, high energy efficiency, co-production of water vapor and nitrogen, low device investment, high automation degree, low operation cost, high safety and the like compared with traditional multi-stage hydrogen catalytic combustion process and device, and are particularly suitable for popularization and application in industrial scenes with hydrogen source, water vapor and nitrogen, and have good economic and social benefits.
Owner:SHANGHAI DIHUA TECH CO LTD

Sorting device based on solid waste

ActiveCN224114587Ufully recyclemaximum separationSievingScreeningGear wheelProcess engineering
The utility model discloses a sorting device based on solid waste and belongs to the field of solid waste. The sorting device comprises a machine frame, a side frame is fixedly installed on one side of the machine frame, a servo motor is fixedly installed on the upper surface of the side frame, a connecting gear is fixedly installed at the output end of one side of the servo motor, and the outer arc face of the connecting gear is movably connected with a chain in a sleeved mode. A connecting shaft rod is fixedly mounted on the surface of one side of the connecting gear, a spiral chute is fixedly mounted on the outer arc surface of the connecting shaft rod, and the outer arc surface of the spiral chute is movably sleeved with a filter cartridge; the waste materials are efficiently smashed through the smashing rollers and the sorting plate, the size of the waste materials is reduced, then the waste materials fall into the sorting plate, the smashed waste materials can be further and accurately separated on the sorting plate more smoothly according to the characteristics of materials, density and the like of the waste materials, and therefore large solid waste and various sorted materials are collected respectively. And the waste is transported to a corresponding recycling factory, so that the practice from solid wastes to renewable resources is realized.
Owner:NANJING CHEM INDL PARK TIANYU SOLID WASTE DISPOSAL CO LTD

A vibration energy harvester for powering an electric toothbrush

The invention relates to a vibration energy collector for power supply of an electric toothbrush, comprising a vibration beam (1) and a vibration amplification device, the vibration beam (1) is an arched iron sheet with MFC sheet (2) pasted on the inner side of several concaves, the vibration amplification device comprises an iron ball (3) and a spring (4). Compared with the prior art, the invention has the advantages of high system output power, long service life, stable work and the like.
Owner:SHANGHAI UNIV OF ENG SCI

Ceramic glaze using raffinate acid and preparation method thereof

ActiveCN122127068BImproved crystallization behaviorEffectively regulate release rhythmMetallurgyCitric acid
The application discloses a kind of resource utilization of ceramic glaze of raffinate acid, it is the powder prepared with raffinate acid as main raw material;Each raw material and its weight fraction included are as follows: raffinate acid 16-20 parts, citric acid 5-8 parts, alcohol additive 4-7 parts, water 5-10 parts.The application takes industrial by-product raffinate acid as main raw material, fully recycles and utilizes effective elements in raffinate acid, further combines the regulation and control mechanism based on citric acid and alcohol additive and segmented temperature control process, and can realize high value-added resource utilization of raffinate acid in glaze field, with significant economic and environmental benefits;The obtained ceramic glaze can give consideration to good sintering crystallization effect, gloss and mechanical property, and has wide applicability.
Owner:WUHAN INST OF TECH

A down exhaust air down intake type non-attending biomass ultrahigh-temperature pyrolysis carbonization furnace

The application discloses a biomass superhigh-temperature pyrolysis carbonization furnace with lower smoke exhaust and lower air inlet, and relates to the technical field of biomass pyrolysis carbonization, which comprises a furnace body, a furnace cover, an air inlet, a smoke exhaust elbow and a temperature control alarm device. The outer wall of the furnace body is made of a steel plate structure, and an insulating layer is arranged in the furnace body. At least four air inlets are uniformly arranged at the bottom of the furnace body and used for air supply from the bottom of the furnace. A smoke exhaust elbow is arranged at the lower part of the furnace body, and the lower edge of the smoke exhaust elbow is higher than the upper edge of the air inlet. A support is arranged at the bottom of the furnace body and used for supporting a carbon cage. The temperature control alarm device is arranged at at least one air inlet. The furnace body structure combining lower air inlet with lower smoke exhaust is adopted, and the insulating layer and the temperature control alarm device in the furnace are matched, so that the ordered heat transfer from top to bottom and the full recycling of the furnace gas in the biomass carbonization process are realized. Therefore, the pyrolysis efficiency and the fixed carbon conversion rate are remarkably improved under the premise of ensuring the uniformity of carbonization and the quality of finished products.
Owner:SHENYANG XINKUNYUAN CARBON TECHNOLOGY CO LTD

A mineral processing method for recovering ultra-low-grade scheelite from molybdenum tailings.

ActiveCN121623957BReduce recycling operating costsfully recycleFlotationSocial benefitsMining engineering
This invention belongs to the field of mineral resource recycling technology, specifically disclosing a beneficiation method for recovering ultra-low-grade scheelite from molybdenum tailings. For refractory scheelite with severe alteration and mudding, the method employs pre-slurry conditioning, enhanced pretreatment with reagents moved forward, followed by grinding and classification of the raw ore. By combining collectors, the refractory scheelite is synergistically recovered, ultimately obtaining a tungsten concentrate with a grade >26%, achieving a comprehensive actual recovery rate of 77%. This invention's process achieves full recovery and utilization of refractory scheelite resources in tailings, while reducing the operating costs of refractory ore recovery, creating considerable economic and social benefits.
Owner:CHINA MOLYBDENUM

A method for the resource recovery and full-component utilization of Bayer process red mud

ActiveCN117660749Bfully recyclelower iron levelsProcess efficiency improvementO-Phosphoric AcidPhosphate
This invention discloses a method for the resource recovery and full utilization of Bayer process red mud. First, the red mud undergoes a hydrogen-based mineral phase conversion, causing thermal cracking. Then, iron is recovered from the red mud through magnetic separation. The magnetic separation tailings are leached with phosphoric acid to extract valuable metals, effectively improving the recovery of valuable metals from the red mud while minimizing equipment corrosion. The leaching tailings, due to the decomposition and removal of alkaline components and the formation of phosphates during the leaching process, can be used as a raw material for the production of slow-release mineral fertilizers. The method described in this invention enables the full recovery of valuable metals such as iron, aluminum, and gallium from Bayer process red mud, and allows the leaching residue to be fully utilized in the production of mineral fertilizers. Therefore, this invention, focusing on the resource recovery and full utilization of Bayer process red mud, is of great significance for improving resource security and the treatment of large-scale solid waste, and has promising application prospects.
Owner:NORTHEASTERN UNIV CHINA

A device for recovering heat from the overhead gas of a cyclohexane heavy-removal column in SBS production

ActiveCN224552181Uincrease temperatureReduce the amount of steam used for heatingReboilerProcess engineering
The utility model relates to a chemical production device technical field, especially in SBS production in cyclohexane removes heavy tower top gas phase heat recovery device, it has first gas phase condenser its shell pass import through first pipeline intercommunication cyclohexane removes heavy tower top, its shell pass export through second pipeline intercommunication cooler, first gas phase condenser pipe pass is used for through the need preheating to be recycled cyclohexane solvent, it has second gas phase condenser its shell pass import connection on first pipeline, its shell pass export connection on second pipeline, butadiene removes heavy tower reboiler and supply hot water to it's hot water tank, butadiene removes heavy tower reboiler backwater mouth connection second gas phase condenser's pipe pass import, second gas phase condenser's pipe pass export intercommunication hot water tank, the utility model discloses in tower top gas phase pipeline adds second gas phase condenser, with butadiene removes heavy tower reboiler backwater and carries out heat exchange, reduces hot water tank heating use steam consumption, reduces the amount of use of cooler condensation circulating water simultaneously, reduces energy consumption.
Owner:SHANDONG YUHUANG CHEM CO LTD

Thermal management system and vehicle having the same

The embodiment of the present application provides a kind of thermal management system and the vehicle with it, thermal management system includes engine loop, motor loop, refrigerant circuit, first control valve, battery loop and warm air pipeline, wherein, first control valve is used to at least one of engine loop, motor loop, refrigerant circuit with battery loop communication, refrigerant circuit has heating mode and refrigeration mode, warm air pipeline is selectively arranged in parallel with battery loop.In the embodiment of the present application, two or all of engine loop, motor loop, refrigerant circuit can be communicated with battery loop, to directly heat battery using engine waste heat, motor waste heat, refrigerant circuit heat simultaneously, realize the full recycling of system heat, so that additional electric heater does not have to be set in system again for heating, reduce the corresponding layout cost, solve the technical problem of large energy consumption in heating mode in the prior art.
Owner:CHERY AUTOMOBILE CO LTD

A treatment device for hydrogen chloride by-product in production of potassium sulfate by manheim method

ActiveCN224599312Ufully recycleeasy to handle
The utility model belongs to chemical equipment technical field discloses a kind of processing device of potassium sulfate by-product hydrogen chloride of mannheim method production, including mannheim furnace, and the acid gas export of mannheim furnace is sequentially communicated to graphite falling film absorber, acid mist trap, mixed acid washing tower and hydrochloric acid absorption system by pipeline, valve, and hydrochloric acid absorption system includes sequentially communicated first-stage absorption tower, secondary absorption tower and hydrochloric acid storage tank;Hydrochloric acid storage tank is sequentially communicated to limestone reactor, three-effect evaporation system, granulation drying system by pipeline, pump and valve;The gas export of limestone reactor is sequentially communicated to carbonization tower, thickener, centrifugal drying system by pipeline and valve.The utility model can recycle and utilize hydrogen chloride generated in production process, and simultaneously co-production calcium chloride and sodium bicarbonate, and processing effect is good, and economic value is high.
Owner:SHANDONG HAIHUA LIWEI NEW MATERIALS CO LTD

Titanium dioxide calcination tail gas waste heat utilization and titanium dioxide waste acid regeneration technology

The invention relates to the technical field of titanium dioxide waste acid recycling, and particularly discloses a titanium dioxide calcination tail gas waste heat utilization and titanium dioxide waste acid regeneration technology. Comprising the following steps: 1, removing dust from calcination tail gas through a dust remover; 2, the tail gas obtained after dust removal is introduced into a waste heat boiler to generate low-pressure steam, and the temperature of the tail gas at an outlet of the waste heat boiler is controlled to range from 200 DEG C to 250 DEG C; step 3, enabling the exhaust gas at the outlet of the waste heat boiler to be in direct contact with waste sulfuric acid to obtain pre-concentrated dilute sulfuric acid and cooled exhaust gas; 4, the cooled tail gas is sequentially subjected to hydrogen peroxide washing and water washing; 5, filtering, purifying and concentrating the pre-concentrated dilute sulfuric acid in sequence to obtain regenerated acid, wherein a concentrated heat source comes from low-pressure steam generated by a waste heat boiler. The technical problems that in the prior art, the steam consumption is large, the operation cost is high, and the waste heat of tail gas is not fully utilized when the waste dilute sulfuric acid and the calcination tail gas in the titanium dioxide production process with the sulfuric acid method are treated are solved.
Owner:GUIZHOU EAST CHINA ENG