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387results about How to "Full recovery" patented technology

A chemical additive recovery device for textile fabric printing and dyeing

The present invention relates to a chemical additive recovery device for textile fabric printing and dyeing, aiming to solve the technical problem of insufficient recovery of chemical additives during current textile fabric printing and dyeing, comprising an air pump connected to the exhaust port of a dyeing machine, a cooler connected to the output end of the air pump, a multi-stage recovery system connected to the output end of the cooler, the multi-stage recovery system comprising a plurality of chemical additive recovery lines and a chemical additive replenishing tank; the chemical additive recovery line comprises a recovery tank; and a gas-liquid separation mechanism and a heater are arranged in the recovery tank. The present invention utilizes the different boiling points of each chemical additive to sequentially increase the temperature to evaporate different chemical additives, thereby recovering the chemical additives in the exhaust gas of the dyeing machine, and then through the concentration detection and liquid replenishment method, the recovered chemical additives are returned to the dyeing machine for reuse. Compared with the recovery method of the prior art, the present invention not only fully recovers, but also avoids the problem of safety risks of chemical additives spilling in the exhaust gas during textile fabric printing and dyeing, and is energy-saving and environmentally friendly.
Owner:FOSHAN XINJIACHENG TEXTILE CO LTD

Recycling method of precious metal

The invention relates to the technical field of precious metal recovery, in particular to a precious metal recovery method. Comprising the following steps: filtering wastewater containing precious metals by using a precious metal recovery composite membrane, and drying the precious metal recovery composite membrane after filtering; then filtering an acidic aqueous solution by using the dried precious metal recovery composite membrane, and then continuously filtering and cleaning by using clear water; the cleaned precious metal recovery composite membrane is put into an N, N-dimethylformamide soaking solution, then ultrasonic oscillation treatment is conducted, the composite membrane is taken out of the soaking solution, then centrifugal treatment is conducted on the soaking solution, precipitates are collected, and the precious metal particles are obtained. The precious metal is recovered by adopting a membrane filtration method, and compared with an impregnation method, a large amount of membrane cost is saved, so that the precious metal recovery cost is reduced, and the method is suitable for industrial metal recovery.
Owner:JIANGXI PUHE SHENGYE ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Coal chemical industry gasification black water energy recovery system and method

The invention provides a coal chemical industry gasified black water energy recovery system which comprises a high-pressure flash tank, a black water liquid expansion machine, a vacuum flash tank, a vacuum flash condenser, an extractor and a hot water tower, and the high-pressure flash tank is provided with a gasified black water inlet, a high-temperature steam outlet and a low-temperature black water outlet. The black water liquid expansion machine is provided with a low-temperature black water inlet, a superheated steam outlet and a normal-pressure saturated black water outlet, the vacuum flash tank is provided with a normal-pressure saturated black water inlet, a low-temperature steam outlet and a saturated liquid black water outlet, and the vacuum flash condenser is provided with a low-temperature steam inlet, an uncondensed gas outlet and a condensed water outlet. The extractor is provided with a high-temperature steam inlet, a mixed steam inlet and a steam-water mixture outlet, and the hot water tower is provided with a steam-water mixture inlet, a fresh water inlet, a conversion condensate inlet, a hot water outlet and a grey water outlet. The energy recovery efficiency is greatly improved, the performance of the vacuum system is optimized, the black water concentration effect is improved, and efficient circulation of water resources and full recovery of black water energy are achieved.
Owner:ZHEJIANG SATELLITE ENERGY CO LTD

Method for recovering ferro-molybdenum alloy through co-smelting of waste silicon-molybdenum rods and copper slag

PendingCN119433246APromote pyrolysis reactionfull recoveryProcess efficiency improvementMo elementCoke
The embodiment of the invention relates to a method for recovering ferro-molybdenum through co-smelting of waste silicon-molybdenum rods and copper slag, and the method comprises the following steps: mixing the copper slag, the silicon-molybdenum rods, coke and calcium oxide to obtain a mixture; the mixture is heated, so that the copper slag and the coke are subjected to a smelting reduction reaction to obtain metal iron, molybdenum disilicide in the silicon molybdenum rod is subjected to a pyrolytic reaction under the action of the metal iron and calcium oxide, molten metal and molten slag are obtained, and the molten metal contains ferromolybdenum alloy components; according to the method, the molybdenum element in the waste silicon molybdenum rod can be fully enriched into iron, the recovery rate is high, the process is efficient and environmentally friendly, and waste liquid is not generated.
Owner:CHINA UNIV OF MINING & TECH

Data center heat recovery device

The invention provides a data center heat recovery device, and relates to the technical field of heat recovery devices.The data center heat recovery device comprises a water tank, four heating boxes are arranged at the top of the water tank, feeding boxes are installed at the tops of the heating boxes, air inlet pipes are installed at the tops of the feeding boxes, and heat exchange pipes are fixedly inserted into the axes of the heating boxes; a sending-out layer is arranged between the bottom of the heating box and the water tank, the sending-out layer comprises a sending-out box, the top and the bottom of the heat exchange pipe are fixedly connected with the sending-in box and the sending-out box respectively, and connecting ports are formed in the positions, corresponding to the penetrating positions of the heat exchange pipe, in the sending-in box and the sending-out box. The four sets of heating boxes and heat exchange pipes are alternately used, the heat exchange time of hot air and cold water is prolonged, hot air can be alternately fed into the different heating boxes, air in the heat exchange pipes in a single cycle can be fed into the water tank, a standby water source is preheated, and therefore the heat exchange efficiency is improved, and heat is more sufficiently recycled.
Owner:HUBEI TELECOM ENG

Method and system for preparing sodium bicarbonate and co-producing ammonium sulfate from mirabilite at low temperature

The invention relates to preparation of sodium bicarbonate co-production ammonium sulfate, in particular to a method and a system for preparing sodium bicarbonate co-production ammonium sulfate from low-temperature mirabilite, and aims to overcome the defects that high-purity ammonium sulfate cannot be obtained or the technical route of twice freezing-high-temperature ammonia distillation is high in energy consumption and large in industrialization difficulty in the prior art. The method for preparing sodium bicarbonate and co-producing ammonium sulfate from mirabilite at low temperature comprises the steps of preparing sodium bicarbonate, preparing ammonium sodium solid salt, acidifying and crystallizing the ammonium sodium solid salt, cooling and crystallizing, and preparing ammonium sulfate, and the sodium sulfate and the ammonium sodium solid salt are removed to obtain a high-purity sodium bicarbonate product and an ammonium sulfate product. In the system for preparing sodium bicarbonate and co-producing ammonium sulfate from mirabilite at low temperature, a plurality of evaporation devices and recycling pipelines among the evaporation devices are reasonably arranged, so that full utilization and recovery of products in each step are realized.
Owner:SHAANXI AEROSPACE ELECTROMECHANICAL ENVIRONMENTAL ENG DESIGNING INST CO LTD +1

Seed metering device and seed metering method for peanut breeding plots

The invention relates to the technical field of peanut plot seed metering, in particular to a peanut breeding plot seed metering device and a seed metering method.The peanut breeding plot seed metering device comprises a supporting plate, a seed filling device, a seed metering device and a seed cleaning device, the seed filling device comprises a seed filling pipe and a seed filling cavity, the seed metering device comprises a seed metering cylinder, the interior of the seed metering cylinder is a negative pressure environment, and seed suction holes are formed in the seed metering cylinder; the seed suction hole moves to a seeding position from the seed filling cavity along with the seed metering cylinder, a hole blocking wheel is arranged at the seeding position, the outer surface of the hole blocking wheel is attached to the inner surface of the seed suction hole, the seed cleaning device comprises a seed cleaning plate and a seed cleaning bin, and the seed cleaning bin is arranged below the seed filling cavity. The negative pressure chamber is matched with the seed suction holes, so that seeds can be stably adsorbed, and the seed selection difficulty is reduced; the hole blocking wheel is adopted at the sowing position to block the negative pressure environment, so that seeds can be smoothly sown at the appointed position, and the structure is simple and reliable; redundant seeds are recycled through the seed cleaning device, so that the seeds in different plots can be prevented from being mixed, and the accuracy of plot test results is ensured.
Owner:QINGDAO AGRI UNIV

Magnetorheological three-dimensional force feedback type upper limb active and passive rehabilitation training device

The invention discloses a magneto-rheological three-dimensional force feedback type upper limb active and passive rehabilitation training device which comprises a bearing base, and a first bearing seat, a second bearing seat, a first torque motor base, a second torque motor base and an encoder base which are installed on the bearing base through bolts and fixed through bolts. The bearing base is provided with 21 groove-shaped holes which are connected with the transmission system, the transmission system is arranged above the bearing base, a first-class three-dimensional rod piece is arranged above the bearing base, and a magneto-rheological joint module is arranged above the bearing base. The magneto-rheological three-dimensional force feedback type upper limb active and passive rehabilitation training device has more comprehensive freedom of motion, so that the rehabilitation training requirements of patients are better met, compared with an exoskeleton robot, the magneto-rheological three-dimensional force feedback type upper limb active and passive rehabilitation training device is simple in structure, high in adaptability and more convenient to install and debug, and meanwhile personalized adjustment can be conducted according to specific conditions of different patients.
Owner:JIAXING UNIV

Waste heat recovery type wine brewing distillation system and method

The invention belongs to the field of wine brewing distillation, and provides a waste heat recovery type wine brewing distillation system and method. Comprising ground pot equipment, a wine retort, a precooler, a waste heat water pump, a heat accumulating type evaporator, a first refrigerant compressor, a first throttling valve, a steam generator, a middle tube plate, a condensation recovery device, a second throttling valve, a second refrigerant compressor, an evaporative condenser, a low-temperature fin type heat exchanger, a third throttling valve, a third refrigerant compressor, a softened water supply device and a first water supplementing valve. The system comprises a first water replenishing valve, a second water replenishing valve, a first steam supply valve, a second steam supply valve, a third steam supply valve, a wine receiver, a ground pot water valve and a grain moistening valve. Through the multiple waste heat recovery devices, full recovery and utilization of waste heat in the wine cooling process are achieved; steam is automatically generated through the steam generator, the wine retort and related devices, and input of external energy is reduced; the gradient cooling of the wine steam is realized through the precooler and the condensation recovery device, the wine cold output temperature is reduced, and the wine yield is improved.
Owner:TONGFANG SMART ENERGY CO LTD +1

High-reflection glaze layer with composite structure, manufacturing method of high-reflection glaze layer, backboard glass and photovoltaic module

ActiveCN119118527AClear/obvious layered structureImprove recycling ratesGlazeReflective layer
The invention provides a high-reflection glaze layer with a composite structure and a manufacturing method thereof, back plate glass and a photovoltaic module, the high-reflection glaze layer with the composite structure is arranged on base material glass and comprises a surface layer and a reflection layer, the surface layer is arranged on the surface layer, and the reflection layer is arranged on the back plate glass. The surface layer covers the surface and the side surface of the reflecting layer, and the tail end of the surface layer is in contact with the surface of the base material glass; the surface layer is a high-temperature binding phase accumulation layer, and the reflecting layer is a white filler accumulation layer. The high-reflection glaze layer with the composite structure provided by the invention is compact in surface, has an obvious layered structure, can form multi-gradient reflection, and has excellent reflection capability, so that interstitial light can be more sufficiently recycled; and meanwhile, the water vapor insulation and electrical insulation properties of the glaze layer are greatly improved, and both the PCT 96-hour test and the PID 192-hour test pass.
Owner:SHANGHAI NEXOLAR NEW MATERIAL CO LTD

Hot steel coil heat recovery equipment

The utility model relates to the technical field of hot steel coil heat recovery, in particular to hot steel coil heat recovery equipment. The hot steel coil heat recovery equipment comprises a heat recovery module A, a heat recovery module B, a heat exchange medium storage tank A, a heat exchange medium storage tank B, a flash evaporation system and a waste heat boiler, and a heat exchange medium stored in the heat exchange medium storage tank A flows through the heat recovery module A for heat exchange and then is input into the heat exchange medium storage tank B; and a heat exchange medium in the heat exchange medium storage tank B is input into the flash evaporation system to generate steam A, the steam A input by the flash evaporation system flows through the heat recovery module B for heat exchange to obtain steam B, the obtained steam B is input into the waste heat boiler, and steam C output by the waste heat boiler is used for power generation or drying or is input into a steam pipe network. The hot steel coil heat recovery equipment and the hot steel coil transfer heat in a direct contact mode. By means of the hot steel coil heat recovery equipment, the investment cost is low, and the heat exchange efficiency and the waste heat recovery rate can be effectively improved.
Owner:GUANGXI SHUNGANG RESOURCES ENVIRONMENTAL PROTECTION TECH CO LTD

Paper shredder for office

The utility model discloses an office paper shredder which comprises a shredder body, a collecting barrel is arranged in the shredder body, a paper pressing assembly is arranged in the collecting barrel, the paper pressing assembly comprises two pressing plates and two connecting plates, the two pressing plates are symmetrically hinged to the inner wall of the collecting barrel, and the two connecting plates are symmetrically connected to the interior of the collecting barrel in a sliding mode. A protruding block at the bottom of the pressing plate is hinged to a rod body, the two ends of the rod body are rotationally connected to the inner wall of the collecting barrel, transmission gears are installed at the two ends of the rod body, and a tooth-shaped part is arranged at the top of the connecting plate. According to the scheme, the driving assembly is adopted to drive the paper pressing assembly, the effect that the pressing plate compresses shredded paper into the collecting barrel is achieved, the size of the shredded paper in the collecting barrel is reduced, the compactness degree of the shredded paper in the collecting barrel is improved, more shredded paper can be recycled through the collecting barrel, meanwhile, the situation that the loose shredded paper is stacked, and consequently paper jam occurs can be avoided, and the working efficiency is improved. And the use smoothness of the crusher is ensured.
Owner:JIANGSU JINXINIU ARCHIVES MANAGEMENT SERVICE CO LTD

Waste lithium battery crushing and sorting machine

The invention relates to the technical field of sorting equipment, in particular to a waste lithium battery crushing and sorting machine which comprises a sorting box, a double-shaft motor is mounted on the sorting box, a crushing mechanism used for breaking lithium batteries is mounted in the sorting box, and the crushing mechanism comprises a crushing box mounted in the sorting box; the crushing box is provided with a feeding hopper penetrating out of the sorting box, evenly-distributed sieve holes A are formed in the lower surface of the crushing box, and crushing rollers are arranged in the crushing box. Through operation of the crushing mechanism, waste lithium batteries can be fully crushed, decomposition of electrode materials, metal materials, electrolyte and waste gas is achieved, firstly, decomposition materials and sweeps can be separated through the vibrating screen mechanism, the electrode materials and the metal materials in the decomposition materials can be conveniently sorted, and then through operation of the magnetic sorting mechanism, the waste lithium batteries can be separated. And the metal material can be extracted from the decomposed material, so that the separation of the electrode material and the metal material is realized.
Owner:HUNAN SHUNLI TECH CO LTD

Absorption and desorption and liquid nitrogen cryogenic system for oil gas recovery treatment

The utility model relates to an adsorption and desorption and liquid nitrogen cryogenic system for oil gas recovery treatment, which comprises a shallow cooling unit, an adsorption and desorption unit and a liquid nitrogen cryogenic recovery unit, the shallow cooling unit is used for primarily cooling oil gas to separate a gas phase and a liquid phase, and the separated gas phase enters the adsorption and desorption unit through a fan to remove VOCs (Volatile Organic Compounds); and then the residual gas enters the liquid nitrogen cryogenic recovery unit through an extraction pump to obtain a residual liquid phase. Liquid nitrogen is used for deep cooling, so that energy consumption of the device is greatly reduced, the using amount of the liquid nitrogen can be adjusted according to the actual temperature requirement, nitrogen obtained after the liquid nitrogen is gasified is not polluted and has certain pressure, and the nitrogen passes through the nitrogen storage tank, then is adjusted to be slightly higher than the pressure of the nitrogen pipe network through the valve group and enters the nitrogen pipe network of the tank field to be recycled; the device is used for nitrogen sealing and purging of a storage tank, nitrogen purging and vacuum breaking of an adsorption and desorption unit of the system and the like.
Owner:PEI YANG NAT DISTILLATION TECH

Seedling culture incubator for agricultural modern production

The utility model discloses a seedling culture incubator for agricultural modernization production, which comprises a base, universal wheels are fixedly connected to the bottom of the base close to four corners, a box body is fixedly connected to the top of the base close to the right side, and partition plates are fixedly connected to the left and right sides of the inner cavity of the box body close to the top. When the seedling culture device is used, impurities in redundant water can be filtered through the arrangement of the metal filter screen, and the filtered water is guided into the water storage tank, so that the water is recycled, and the seedling culture cost is reduced; meanwhile, through mutual cooperation of a first single-groove wheel, a second single-groove wheel, a belt, a rotating rod, a cam, a top plate, a sliding block, a sliding groove, a first spring and a steel ball, the steel ball is driven to move up and down in a reciprocating mode to knock and vibrate the metal filter screen in the left-right moving water spraying process of a spray head, and it is avoided that impurities in water block meshes of the metal filter screen, and the filtering efficiency is affected; and therefore, the water can be fully recycled.
Owner:LONGNAN JINZENGZI AGRICULTURAL TECHNOLOGY CO LTD

Efficient recovery method for valuable components of complex low-grade platinum-palladium-oxygen-sulfur mixed ore

The invention relates to a method for efficiently recovering valuable components of complex low-grade platinum-palladium-oxygen-sulfur mixed ore. The method comprises the following steps: (1) pretreating the low-grade platinum-palladium-oxygen-sulfur mixed ore to be treated; (2) carrying out primary enrichment on useful components; (3) secondary enrichment by a pyrogenic process; (4) performing different-structure ore making to obtain different-structure sulfonium ore; (5) separating different ores to obtain alloyed gold, silver-containing copper sulfide concentrate and nickel sulfide cobalt concentrate; (6) separating alloyed gold; and (7) respectively refining by-products copper and nickel. According to the method, the efficient recovery effect on the valuable components of the complex low-grade platinum-palladium-oxygen-sulfur mixed ore is remarkable, the recovery rates of the valuable components such as platinum, palladium, gold, silver, copper and nickel are all 60% or above, the recovery benefits are good, the process is stable, adaptability is high, and the method has important significance on comprehensive utilization of low-grade platinum-palladium ore resources poor in copper and nickel.
Owner:YUNNAN GOLD MINING GRP

Control method and device of driving motor and vehicle

PendingCN119389009Areasonable torquereduce assistSpeed controllerHybrid vehiclesDriver/operatorGear wheel
The invention discloses a driving motor control method and device and a vehicle, and the method comprises the steps: calculating a driving motor conversion torque based on a planetary gear set conversion coefficient of the vehicle, a driving motor demand torque and a driver demand torque of the vehicle; the converted torque of the driving motor is used for reflecting the influence on the driving motor when the required torque of the engine in the DHT system is converted to a gear ring end; based on the difference between the drive motor demand torque and the drive motor conversion torque, determining a corresponding drive motor correction torque; and determining the output torque of the driving motor according to the driving motor correction torque and the driving motor demand torque. Therefore, by correcting the required torque of the driving motor in the DHT system, the output torque of the driving motor during working can be more reasonable, so that the vehicle can recover more energy, and the energy loss of the vehicle is reduced to a certain extent.
Owner:WEICHAI POWER CO LTD

Zero-steam-consumption boiler feed water waste heat utilization system

ActiveCN119532721ADissolved oxygen index qualifiedQualified temperature indicatorsLiquid degasificationGeneral water supply conservationBoiler feedwaterEnergy conservation
The invention relates to the technical field of energy conservation and environmental protection, and provides a zero-steam-consumption boiler feed water waste heat utilization system, which comprises a vacuum gas stripping deoxidization unit, a steam stripping deoxidization unit and a steam stripping deoxidization unit, deoxygenated water pipelines of a first heat exchange section and a second heat exchange section of the multi-stream heat exchanger are communicated, and heat source pipelines are independent; a water outlet of the vacuum gas stripping deoxygenization unit is connected with a deoxygenization water output port through a deoxygenization water pipeline of the multi-stream heat exchanger and a deoxygenization water pipeline of the working medium heat exchanger in sequence; one end of a heat source pipeline of the working medium evaporator is connected with a heat source water inlet, the other end of the heat source pipeline is connected with a heat source water return port through a heat source pipeline of the first heat exchange section, the heat source water inlet is further connected with the heat source water return port through a heat source pipeline of the second heat exchange section, and a second working medium pipeline of the working medium evaporator and a first working medium pipeline of the working medium heat exchanger form circulation. According to the invention, the dissolved oxygen index of the deoxygenated water can be ensured to be qualified, the operation energy consumption is reduced, the temperature index of the deoxygenated water is ensured to be qualified, and finally qualified boiler feed water is produced.
Owner:SHANGHAI YOUHUA PROCESS INTEGRATED TECH CO LTD

Purification and recovery system for oil-containing high-temperature coal gas at outlet of low-pressure gas-making furnace

The utility model relates to the technical field of chemical engineering, in particular to a low-pressure gas-making furnace outlet oil-containing high-temperature coal gas purification and recovery system which comprises a high-temperature dust removal system, an oil and heat recovery system, a washing tower system and a stripping tower system. According to the utility model, low-grade heat in coal gas can be fully recovered, and energy is fully utilized; and the pollution of organic matters contained in the low-pressure coal gas to the environment is eliminated.
Owner:SOUTHWEST RES & DESIGN INST OF CHEM IND

Waste liquid recovery treatment equipment for toilet paper processing

The invention discloses waste liquid recovery processing equipment for toilet paper processing, which comprises a discharge box, a filter box and a paper pulp separation tank, the upper end of the discharge box is connected with a mixing tank, the lower end of the discharge box is provided with a sealing mechanism, one side of the mixing tank is connected with a medicine powder adding mechanism, and the other side of the mixing tank is provided with a sealing mechanism. A first stirring mechanism is mounted at the upper end of the mixing tank, the mixing tank is connected with the filtering box through a conveying mechanism, a swinging mechanism is mounted on one side of the upper end of the filtering box, a collecting frame is arranged in the filtering box, one end of the collecting frame is connected with the swinging mechanism, and a connector is connected to the upper end of the paper pulp separating tank. The paper pulp in the waste water can be fully collected and recycled, the waste water can be fully purified and utilized, the separation efficiency of the paper pulp and the waste water can be improved when the waste water containing the paper pulp is mixed, the separation time is shortened, the automation degree of waste water treatment is greatly improved, and the treatment efficiency is improved.
Owner:QINGDAO YINAIYA TISSUE PAPER CO LTD

Method for treating lithium-containing wastewater

The invention relates to the field of chemical engineering, and discloses a method for treating lithium-containing wastewater. The method comprises the following steps: (1) concentrating the lithium-containing wastewater until the lithium ion concentration of the concentrated wastewater is greater than or equal to 4000 mg / L; (2) optionally, under an alkaline condition, forming hydroxide precipitate in the concentrated wastewater so as to remove at least part of metal elements except the lithium element; and (3) precipitating the lithium element in the concentrated wastewater treated in the step (1) or the concentrated wastewater treated in the step (2) so as to separate the lithium element. According to the method, the lithium element in the lithium-containing wastewater can be fully recycled, the cost is low, and the method is particularly suitable for wastewater which is low in salt concentration and uses a lithium catalyst.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Red mud treatment method

The invention provides a red mud treatment method. The treatment method effectively solves the problems that in the prior art, red mud is complex in component, poor in economical efficiency, poor in red mud magnetic concentrate grade and low in iron recovery rate, magnetic tailing resources are not fully utilized, the cost is low, and the like through electromagnetic magnetization pre-reduction roasting treatment, magnetic separation enrichment of iron concentrate powder, smelting reduction iron extraction, smelting tailings building application and magnetic separation tailing enrichment and aluminum extraction. The method solves the problems of difficulty in operation of a melting ironmaking process and poor building material performance of slag in the prior art, so that iron and aluminum in the red mud are fully recycled, and the economic benefit of red mud treatment is remarkably improved.
Owner:CHINA ENFI ENG CORP +1

Waste heat collecting structure for high-temperature zone of tunnel kiln

PendingCN119103876Aheat recoveryReasonable adjustment of collection positionMaintainance of heating chambersFurnace typesTunnel kilnProcess engineering
The invention discloses a tunnel kiln high-temperature zone waste heat collecting structure which comprises a kiln body and a heat storage mechanism. The floating type heat storage base and the floating type heat storage cover plate are arranged on the upper portion of the interior of the high-temperature zone, the floating type heat storage cover plate is installed on the floating type heat storage base in a covering mode, the multiple heat storage grooves are sealed, and therefore heat can be stored through the multiple heat storage grooves, and air flow circulation conveying is conducted by arranging the lifting guide pipes at the two ends of the heat storage grooves; and meanwhile, airflow is not directly sucked from the upper part of the kiln body, so that the influence on the temperature of the high-temperature zone is greatly reduced, and the characteristics of heat recovery, energy conservation and environmental protection are achieved.
Owner:DONGTAI GANGTAI REFRACTORY MATERIALS CO LTD

Improved method for recycling red mud

The invention relates to the technical field of red mud waste recycling, in particular to an improved red mud recycling method. The method comprises the following steps: carrying out dissolution reaction on red mud, alkali liquor and degassed carbide slag to obtain a dissolved substance; carrying out solid-liquid separation on the dissolved substance to respectively obtain a liquid product and solid waste; the liquid product is used for alumina production circulating mother liquor; the solid waste comprises molten garnet. According to the method, the mass concentration and the weight of the caustic alkali in the alkali liquor and the addition amount of the degassed carbide slag are adjusted according to different iron oxide contents in the red mud, so that sodium resources and aluminum resources in the red mud can be effectively recovered on the premise of fully considering the iron oxide contents in the red mud, and the recovery rates of the sodium resources and the aluminum resources in the red mud are improved; meanwhile, the degassed carbide slag is consumed as much as possible, so that the content of sodium oxide in the final solid waste can be reduced to be within 1%, and a foundation is laid for comprehensive utilization of the solid waste.
Owner:TESTING TECHNOLOGY (ZHENGZHOU) CO LTD OF CHALCO

A sulfur-burning sulfur-burning furnace waste heat recovery device

The utility model belongs to sulphur sulphuric acid technology field, concretely is a kind of sulphur sulphuric acid sulphur burning furnace waste heat recovery device, including high-temperature flue gas waste heat recovery module, low-temperature tail gas waste heat recovery module, depth purification module and intelligent control module;High-temperature flue gas waste heat recovery module recycles high-temperature flue gas waste heat by honeycomb silicon carbide ceramic heat exchanger and circulating oil circuit;Low-temperature module recycles tail gas waste heat by finned heat exchange unit and jacketed heat exchanger;Depth purification module handles flue gas by SCR denitration, composite filtration and spray absorption;Intelligent control module monitors and regulates each component in real time;The device realizes waste heat cascade recovery and flue gas purification, improves heat utilization rate, avoids pollution.
Owner:四川新洋丰肥业有限公司

Power battery disassembling and recycling device

The invention relates to the technical field of battery disassembling and recycling, in particular to a power battery disassembling and recycling device which comprises a case, a feeding hopper and a discharging box, and the feeding hopper is communicated with a discharging opening of external crushing equipment. According to the power battery disassembling and recycling device, through the synergistic effect of the centrifugal assembly and the vibration assembly, namely, centrifugal force generated by a rotatable centrifugal tube under the driving of the power mechanism is utilized to separate electrolyte, and meanwhile, the driving mechanism drives the upper sliding plate and the lower sliding plate to synchronously vibrate up and down through the moving rod; the blocked residual electrolyte in the battery fragments is effectively exposed and thrown out, so that the recovery efficiency and thoroughness are greatly improved; the connecting assembly adopts a connecting ring and a gold wire hose to ensure the sealing performance of material conveying, and the air blowing auxiliary drying of an air outlet ring and the collection design of an elastic sealing gasket and a negative pressure pipeline are combined, so that the risks of electrolyte leakage and environmental pollution are remarkably reduced, and safe, efficient and comprehensive recovery of the electrolyte in the power battery disassembling process is realized.
Owner:ANHUI YINGBIAO NEW MATERIAL TECH CO LTD

Emulsion oil-water separation mechanism

The utility model discloses an emulsion oil-water separation mechanism, which belongs to the technical field of oil-water separation and comprises a separation box, a box cover is fixedly mounted at the top of the separation box, a feeding pipe is fixedly mounted on the top surface of the box cover, and a waste residue collection box is fixedly mounted on one side surface of the separation box. A cleaning box is fixedly installed on one side face of the separating box, a connecting valve is fixedly installed on one side face of the separating box, an oil collecting box is fixedly installed at one end of the connecting valve, an oil collecting box is fixedly installed at the bottom of the cleaning box, and an anti-blocking cleaning assembly is arranged in the separating box. A separation assembly is arranged at the top of the oil collection tank; according to the oil-water separation device, through the arrangement of the anti-blocking cleaning assembly and the separation assembly, the functions of accelerating oil-water separation and collection are achieved, and meanwhile the effects of preventing blocking in the oil-water separation process and facilitating follow-up cleaning of the filter screen can be achieved.
Owner:SICHUAN LVYI HUAFU PETROCHEMICAL TECH CO LTD

Carbon dioxide adsorption system

The present invention relates to the field of carbon capture technology, and provides a carbon dioxide adsorption system, including: a first compressor unit, a temperature swing adsorption unit and a vacuum pressure swing adsorption unit connected in sequence to the rear end of the raw gas inlet; a turbine expansion unit, whose inlet is connected to the first outlet of the vacuum pressure swing adsorption unit, and the turbine expansion unit is connected to the first compressor unit; a cold recovery unit, whose first inlet is connected to the outlet of the turbine expansion unit, whose second inlet is connected to the second outlet of the vacuum pressure swing adsorption unit, and whose cold recovery unit is provided with a decarbonated carbon dioxide raw material outlet; a first separator, whose inlet is connected to the first outlet of the cold recovery unit, whose first outlet is connected to the third inlet of the cold recovery unit, whose second outlet is connected to the inlet of the vacuum pressure swing adsorption unit, and whose second outlet is connected to the carbon dioxide liquid outlet. The present invention effectively improves the CO2 capture efficiency, reduces the equipment size, reduces the CO2 capture and liquefaction energy consumption, simplifies the process flow, and is suitable for large-scale application.
Owner:SHANGHAI YOUHUA PROCESS INTEGRATED TECH CO LTD +2

A bag opening machine

The present invention discloses a bag opening machine. The bag opening machine includes a conveyor belt, an auxiliary crushing knife, an upper knife group, a film separator, a positive and negative pressure separator and a lower frame; an upper cover assembly is installed above the lower frame and a material chute is installed below the rear end discharge port, and a wind nozzle is provided above the rear baffle of the material chute; the conveyor belt is distributed in two main beams, and a plurality of auxiliary crushing knives are installed in a rectangular array on the scale plate of the conveyor belt; the knife holder of the upper knife group is connected to the inner wall of the upper cover assembly, and a plurality of upper bag opening knives are connected at equal intervals under the load chain, and the upper bag opening knives and the lower auxiliary knives cooperate with each other to tear and cut the packaging bag in two directions; the film separator is located at the front open end of the material chute, and the film separator recycles large pieces of film and crushes the unfinished bags for a second time, and the positive and negative pressure separator is located below the film separator, and the positive and negative pressure separator recycles small films. The present invention has the effects of fast automatic bag breaking speed, good bag breaking effect, and effective film recovery.
Owner:GUANGDONG GONGYE TECH CO LTD

Industrial steam recycling device

The utility model belongs to the technical field of steam recycling, and particularly relates to an industrial steam recycling device which comprises a box body, supporting legs are fixedly installed at the bottom of the box body, a heat storage box is fixedly installed on the box body, a water pump is fixedly installed in the heat storage box, and the output end of the water pump is fixedly connected with a flow dividing pipe. Limiting frames are installed in the box body in an array mode, and heat absorption pipes corresponding to the limiting frames are arranged in the box body in an array mode. According to the industrial steam recycling device, heat carried by steam can be fully recycled through the installed heat absorption pipe, a water pump works to extract a water source in the heat storage box, when the water source flows in the heat absorption pipe, the heat can be carried to flow into a backflow pipe, and the heat is recycled. And a water source carrying heat can enter the heat storage box through the return pipe to be stored, so that the purpose of recycling the steam heat is achieved, and the waste of resources is reduced.
Owner:YILI CLEAN ENERGY TECH (JINXIANG) CO LTD