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Treatment system and method for consolidating soft soil foundation by utilizing industrial waste gas heat
ActiveCN103147434AEmission reductionReduce leakageSoil preservationDecompositionResource utilization
The invention provides a treatment system and a method for consolidating a soft soil foundation by utilizing industrial waste gas heat. The treatment system comprises an industrial waste gas heat separation device, a waste gas purification device, a tail gas collection and treatment system, a foundation soil mixing device and a gas pumping device. The method comprises the following steps of extracting pure carbon dioxide from the dedusted, desulfurized and denitrated waste gas heat by the separation device and the purification device; mixing a curing agent to foundation soil by the mixing device; and pumping the pure carbon dioxide into mixed soil by the gas pumping device to carbonize and consolidate the soft soil foundation. The waste gas purification device comprises an absorption chamber and a decomposition chamber which are sealed devices with valves, and a purification solution in the device is an alkali solution or a carbonate solution, or a mixture thereof, and can be recycled. The method and the treatment system fully utilize the industrial waste gas heat, so that the difficulty of resource utilization of the industrial waste gas heat is solved, and meanwhile, the construction efficiency of foundation consolidation and the strength of foundation soil are improved.
Owner:SOUTHEAST UNIV
Novel functional flexible clamp and application method thereof
ActiveCN107322347AVersatileEnergy savingPositioning apparatusMaintainance and safety accessoriesPhysicsMagneto
Owner:HEBEI UNIV OF TECH
Renewable energy coupled energy storage and temperature regulation wall body system and using method thereof
ActiveCN104895218AImprove average energy utilizationImprove heat storage capacityRoof covering using slabs/sheetsRoof covering using tiles/slatesEngineeringPhase change
The invention provides a renewable energy coupled energy storage and temperature regulation wall body system and a using method thereof. The renewable energy coupled energy storage and temperature regulation wall body system is characterized by comprising a temperature regulation wall body, a solar energy device and a shallow soil heat exchange tube; the solar energy device is arranged on a roof of a room; the shallow soil heat exchange tube is buried in the ground; the temperature regulation wall body is connected with the solar energy device and the shallow soil heat exchange tube; one end of the shallow soil heat exchange tube is connected with a water supply pipeline three-way reversing valve, a heat exchange tube water pump and a heat exchange tube flow meter; the other end of the shallow soil heat exchange tube is connected with a water return pipeline three-way reversing valve through a pipeline; the temperature regulation wall body comprises an inner wall plastering layer, a phase change energy storage plate, binding mortar, an inner wall body and an outer wall plastering layer in turn along the direction from interior to exterior; small pipe diameter of coiled pipes are uniformly embedded in the phase change energy storage plate along the direction of the height of the wall body; a water inlet end and a water outlet end of the small pipe diameter of coiled pipes re located at the bottom of the temperature regulation wall body. The using method is divided into three working condition modes of the winter working condition mode, the summer working condition mode and the transition season working condition mode.
Owner:HEBEI UNIV OF TECH
Method for preparing lithium carbonate through salt lake brine
ActiveCN106241841AHigh purityEasy to separateLithium carbonates/bicarbonatesMembrane methodLithium carbonate
The invention discloses a method for preparing lithium carbonate through salt lake brine. The method comprises the following steps of firstly adsorbing the salt lake brine through a high-property lithium extraction adsorbent, then performing nanofiltration for removing magnesium, performing forward osmosis and preliminary concentration, performing deep magnesium removal, performing multiple-effect evaporation, and performing sedimentation so as to obtain the battery-grade lithium carbonate. According to the method disclosed by the invention, an adsorption method, a membrane method and an evaporation method are organically combined together, so that the energy consumption is greatly reduced, and the cost is reduced; and besides, the lithium carbonate prepared by the method disclosed by the invention is high in purity and stable in quality. The method disclosed by the invention has the advantages of being simple and convenient to operate, low in energy consumption, stable in effects and the like.
Owner:JIANGSU HELPER FUNCTIONAL MATERIALS
High-temperature-resistant high-density reversible water-in-oil/oil-in-water drilling fluid and preparation method thereof
ActiveCN109097010AGood reversalComparable performanceOrganic compound preparationCarboxylic acid amides preparationOil phasePolyamine
The invention provides high-temperature-resistant high-density reversible water-in-oil / oil-in-water drilling fluid which is composed of the following raw materials in parts by weight: 30-70 parts of an oil phase, 30-70 parts of an aqueous phase, 2-5 parts of a reversible emulsifier, 1-3 parts of an auxiliary emulsifier, 0-2 parts of organic soil, 1-4 parts of a filtrate reducer, 0-1 part of an alkalinity regulator, 0-0.5 part of a wetting agent, 0-2 parts of an enhancer and 0-800 parts of weighting materials. The reversible emulsifier is fatty acyl polyamines and derivatives thereof, and has astructural general formula of R1(CH2)m(CONH)n(C6H4)x(NH)y(NH2)zR2; the filtrate reducer is an amphiphilic filtrate reducer. The amphiphilic filtrate reducer comprises but is not limited to an amphiphilic polymer filtrate reducer, a hydrophilic modified asphalt filtrate reducer and a hydrophobic modified humic acid filtrate reducer. The compounded auxiliary emulsifier is a high HLB (Hydrophile-Lipophile Balance) value surfactant. The drilling fluid disclosed by the invention has directly adjustable density of 0.8-1.8g / cm<3>, and has excellent properties such as rheological property, suspensionstability, filter cake clearance, filter loss control, environment friendliness and stable reversibility of water-in-oil emulsion and oil-in-water emulsion in a range of 100-180 DEG C.
Owner:SOUTHWEST PETROLEUM UNIV
Preparation and application of lignin or aminolignin-modified magnetic nano-adsorbent
InactiveCN108339523ARecycle and saveIncrease the saturated adsorption capacityOther chemical processesWater contaminantsIonSorbent
The invention relates to preparation and application of a lignin or an aminolignin-modified magnetic nano-adsorbent. The magnetic nano-adsorbent is obtained by a one-step conversion of lignin and a raw material iron salt by a modified chemical coprecipitation method. The main method is to prepare surface-modified magnetic nanoparticles by dissolving lignin or amino-modified lignin in an alkaline precipitant and using the alkaline precipitant for coprecipitation. The synthesized magnetic nano-adsorbent has adsorption capacity for both anionic dyes and cationic dyes. Compared with other lignin-based adsorbents, the adsorption capacity is increased by about 2 to 5 times. At the same time, desorption can be achieved by adjusting of the pH, so that the adsorbent is recycled, and the dyes can berecovered. Lignin raw materials used in the adsorbent are industrial and agricultural waste materials, the materials are rich and low in price, the synthesis method is simple and efficient, and the adsorbent is economical and environmentally friendly, and has good application prospects.
Owner:TIANJIN UNIV
RFID indoor positioning method based on deep belief network
ActiveCN108769969APrecise positioningRecycle and saveNavigational calculation instrumentsParticular environment based servicesFingerprint databaseDeep belief network
The invention relates to a RFID indoor positioning method based on a deep belief network, belonging to the technical field of indoor positioning. The method comprises the following steps: establishinga RFID signal indoor propagation model; acquiring received signal intensity values of a reference tag at difference readers, and establishing a finger-printing database; performing feature extractionfor finger-printing data through DBN, wherein the extracted deep features are in one-to-one correspondence with position coordinates to form a new finger-printing database; extracting features for the received signal intensity values of a to-be-positioned tag at different readers through DBN, and performing similarity comparison with the features in the finger-printing database, thereby realizingposition estimation for the to-be-positioned tag. The method has the advantages that RFID indoor positioning is more accurate through similarity comparison between the features of the RFID to-be-positioned tag and the features in the finger-printing database, and for acquisition of the finger-printing data, the reference tag can be reused, and compared with a real-time positioning system, validity of the positioning system can be guaranteed all the time, and the system is enabled to have stability.
Owner:JILIN UNIV
A circulating system for car-washing wastewater
InactiveCN105399230ASmall footprintImprove waste water utilizationTreatment involving filtrationMultistage water/sewage treatmentThree levelWater treatment
A circulating system of car-washing wastewater is provided. The circulating system comprises a lane guiding device, a converging and standing system, a primary water purification filtration system, a secondary water purification filtration system, a final purified water production system and a backwater circulating system in order. The circulating system achieves purification and reutilization of the wastewater through deposition and three levels of filtration. Filtration steps and purification methods are designed aiming at the car-washing wastewater, thus achieving water treatment more accurately. Water treatment equipment can be achieved behind backstage and is small in occupied space. The utilization rate of the wastewater is high. Reduction of environment pollution and cyclic utilization of the water resource can be achieved to the utmost.
Owner:TIANJIN KAIJIESHI ENVIRONMENT PROTECTION TECH CO LTD
Copper-indium-gallium-selenium flexible thin film solar battery recycling method
InactiveCN105057323ASimple processEquipment requirements are not highWaste processingSolid waste disposalChemistryIndium
A copper-indium-gallium-selenium flexible thin film solar battery recycling method comprises the steps: 1, packaging removal treatment; 2, primary cleaning; 3, acid dipping; 4, secondary cleaning; 5, a reduction reaction; and 6, a selenizing reaction. The method concretely comprises the following steps: removing an EVA outer packaging material, a TCO window layer and a CdS buffer layer through packaging removal and acid dipping, carrying out hydrogen reduction at a high temperature to reduce a copper-indium-gallium-selenium compound into a copper-indium-gallium metal layer, and returning the copper-indium-gallium metal layer to a selenizing annealing process as a precursor for producing a CIGS (copper-indium-gallium-selenium) thin film in order to afresh produce a CIGS battery. Compared with present CIGS thin film recycling methods, the method disclosed in the invention can effectively recover copper, indium and gallium, and has the advantages of simple process, low requirements on an apparatus, obvious separation effect, realization of raw material recycling, and easy large-scale popularization in production.
Owner:常德东腾新能源有限公司
Method for mining hydrate based on multilateral wells
A method for mining hydrate based on multilateral wells is provided. The method includes the following steps: deploying a vertical well in a target measure area and two horizontal multilateral wells in a natural gas hydrate reservoir, wherein one of the horizontal multilateral wells is deployed at the upper third of the natural gas hydrate reservoir, and the other horizontal multilateral well is deployed at the lower third of the gas hydrate reservoir; installing a gas-water separation device and a pump at the junction of the vertical well and the lower third horizontal well; deploying the vertical well to the top of a high-temperature and high-pressure water-bearing gas reservoir; performing perforation to open the high-temperature and high-pressure water-bearing gas reservoir and the hydrate reservoir; separating the mined mixture into natural gas and high-temperature water by the gas-water separation device, wherein separated natural gas enters an oil pipe and the high-temperature water is pumped into a hydrate reservoir by the gas-water separation device; at the same time, mining the hydrate reservoir in horizontal wells located at the upper third of the natural gas hydrate reservoir, and mining horizontal well groups of the hydrate reservoir by injecting high-temperature water under the formation of the natural gas hydrate reservoir. According to the present invention, thenatural gas hydrate reservoir is mined by heating and depressurizing, thereby achieving the cyclic utilization of formation energy.
Owner:NORTHEAST GASOLINEEUM UNIV
Automatic packaging process for corrugated paper boxes
InactiveCN110271718ANo positional deviation will occurReduce breakageWrapper twisting/gatheringSolid materialCartonPulp and paper industry
The invention discloses an automatic packaging process for corrugated paper boxes. The automatic packaging process comprises the following steps that materials are loaded into a paper box by a loading mechanism; a conveying mechanism receives the paper box and conveys the paper box to a rotating mechanism, the rotating mechanism operates and pulls the paper box to synchronously rotate by 90 degrees, so that a short cover plate of the paper box faces a packaging mechanism; a power component operates and enables the two packaging sprayers to move close to each other, the packaging spray heads move and make contact with the short cover plate of the paper box and pushes the short cover plate of the paper box to be overturned so as to be horizontally arranged, then the power component is reversely operated and enables the two packaging sprayers to move away from each other, and a glue pumps operates and paints a layer of glue to the short cover plate of the paper box through a connecting pipe and the packaging spray heads; and the rotating mechanism continues to operates and pulls the paper box continuously to rotate by ninety degrees, so that a long cover plate of the paper box is aligned to the packaging mechanism, the packaging mechanism continues to operates and enables the long cover plate of the paper box to be overturned so as to be horizontally arranged, the long cover plate and the short cover plate are tightly adhered through the glue, and sealing and packaging of the paper box are finished.
Owner:六安市利康标识有限公司
Numerical control lathe
InactiveCN104128623ARecycle and saveImprove work efficiencyAutomatic/semiautomatic turning machinesDriving apparatusNumerical controlEngineering
The invention relates to a numerical control lathe. The numerical control lathe comprises a base, a first machine box, a second machine box, a continuously variable transmission, a lathe head box, a control device and a cooling liquid recovery device. The first machine box and the second machine box are arranged on the two sides of the upper end surface of the base respectively, the continuously variable transmission is arranged at the lower portion inside the first machine box, the lathe head box is arranged at the upper end of the continuously variable transmission in the first machine box, and the control device is arranged above the lathe head box. A rotary main shaft is arranged at the end, close to the second machine box, of the lathe head box and sleeved with a sliding table capable of sliding in the axial direction of the main shaft, and the sliding table is provided with a turning tool. A waste liquid pool opened upwards is formed in the base, one end of the cooling liquid recovery device is arranged at the upper end of the sliding table, and the other end of the cooling liquid recovery device is arranged in the waste liquid pool. Compared with the prior art, the numerical control lathe has the advantages that the machining noise is low, the machining efficiency is high, cooling liquid can be recycled, and the machining cost can be lowered.
Owner:覃聪
Method for producing alcohol through liquor fermentation
InactiveCN103382489AReduce production of fermentation by-productsIncrease profitBiofuelsFermentationFertilizerBiogas
The invention discloses a method for producing alcohol through liquor fermentation. The method comprises the steps of performing solid-liquid separation on liquefied starchy raw materials to obtain liquor and solid residues, and adding glucoamylase and yeast to the liquor for alcohol fermentation; adding water to the solid residues for saccharification processing, performing solid-liquid separation again to obtain sugary washing water and waste residues, wherein the sugary washing water can be used for preparation or cultivation and fermentation of the yeast, and the waste residues can be produced into fertilizers and feeds or used for biogas fermentation. According to the method, the alcohol content of prepared fermented mature mash exceeds 15.2% (v / v), the residual total sugar can be lower than 1.03%, the content of residues and starch is lower than 2.91%, and the utilization rate of starch can reach above 96.5%; the liquor obtained through mash liquidation is not easy to contaminate and does not produce high glucose suppression in a fermentation process, fermentation by-products are reduced, equipment wear can be reduced obviously, and the utilization rate and the distillation efficiency of fermentation equipment can be improved.
Owner:HENAN TIANGUAN GRP
Closed cyclic processing method for low-concentration acid wastewater during industrial production
InactiveCN102107973AGood electrical conductivityLow densityWater contaminantsMultistage water/sewage treatmentIonChemistry
The invention relates to a closed cyclic processing method for low-concentration acid wastewater during industrial production, which comprises the following steps of: allowing the low-concentration acid wastewater containing heavy metals to flow into an aeration tank and then throwing into a pH value adjusting pool after aeration treatment; adding a saturated sodium hydroxide solution or industrial solid sodium hydroxide into the pH value adjusting pool, adjusting a pH value of the solution to be 3-4, allowing a lower-layer turbid liquid containing precipitants to enter into a reaction tank I after filtering and deposition, allowing a supernatant clear solution to enter into an electrodialysis reactor for electrodialysis, and concentrated water dialyzed from the electrodialysis reactor to enter into the reaction tank I; adding waste acid into the reaction tank I, and feeding the fully-reacted liquid in the reaction tank I into a reaction tank II; adding lauryl sodium sulfate serving as a surfactant into the reaction tank II for reaction, and filtering off a lower-layer substance containing iron; and feeding the supernatant liquid into an electrolysis reaction tank to recover zinc through electrolysis, placing the recovered zinc into the reaction tank II to continuously perform the reaction to recover the iron, and recovering an electrolysis residual liquid to prepare sodium slat crystals. By the method disclosed by the invention, valuable metals in precipitation residues can be recovered, and the content of heavy metal ions in processed discharge water is low.
Owner:江阴东大新材料研究院
Temperature-adjustable hog house
Owner:ANHUI JIUKESONG ECOLOGICAL AGRI
Bacillus velezensis strain and application thereof
ActiveCN111349588AEasy to controlReduce moistureBacteriaMicroorganism based processesBiotechnologyCellulose
The invention discloses a Bacillus velezensis strain and application thereof. The Fb strain is obtained by enrichment culture, primary screening, secondary screening and the like, belongs to the Bacillus velezensis and is gram-positive. The strain is characterized in that: the strain is rod-shaped, 0.4-0.6 microns * 0.9-4.0 microns, and is arranged singly or in pairs; and spores are nearly circular, near-end and cyst is expanded. Through detection, the Bacillus velezensis Fb can resist high temperature of 55 DEG C, the optimal growth temperature is 45 DEG C, and the optimal growth pH value is3.0-7.6. The strain can efficiently degrade tea residues, improve the protein, amino acid and the like of the tea residues and reduce the moisture, cellulose and the like of the tea residues, and thefermented tea residues can be used as a feed raw material; and the strain can realize smokeless, odorless and sewage-free discharge and can realize the cyclic utilization of organic wastes so as to reduce the pollution of the tea residues to the environment, and is a technology which accords with the environmental protection.
Owner:INST OF ANIMAL HUSBANDRY & VETERINARY FUJIAN ACADEMY OF AGRI SCI
Automatic recycling and reusing system and method based on express paper packaging box image analysis
ActiveCN112561098AAutomatic recycling and reuse is accurate and fastReduce energy consumptionSustainable waste treatmentCharacter and pattern recognitionFeature vectorNerve network
The invention discloses an automatic recycling and reusing system and method based on express paper packaging box image analysis, and the method comprises the steps: enabling a plurality of cameras torespectively collect multi-view appearance images of a paper packaging box, enabling a feature vector construction module to carry out the image analysis of the multi-view appearance images, and constructing a state feature vector; making a reuse type identification module input the state feature vector into a reuse classification neural network to identify the reuse type of the packaging box, using specification type detection equipment to carry out specification type detection corresponding to the reuse type on the paper packaging box, and making recovery reuse equipment carry out corresponding recovery reuse on the packaging box according to the reuse type and a specification type detection result. According to the system, the reusable degree and the parameter specification of the carton are recognized and classified in a carton image collection mode, the carton can be recycled in the mode of being matched with the reusable degree and the parameter specification, and accurate, rapid and automatic carton recycling and reusing are achieved.
Owner:ZHEJIANG GREAT SHENGDA PACKING CO LTD
Beneficiation wastewater treatment method circularly used for ceramic filter
ActiveCN101580318AGood water qualityThe filtering effect is normalMultistage water/sewage treatmentWater/sewage treatment by neutralisationUltrafiltrationAluminium salts
The invention relates to a beneficiation wastewater treatment method circularly used for a ceramic filter, which comprises the following steps: evenly mixing beneficiation wastewater, and adjusting the pH value of the wastewater; adding sodium carbonate to generate sediments of calcium and magnesium ions; adding aluminum sulfate and an anionic flocculant to remove solid particles and ion sediments of heavy metals of copper, lead, zinc and the like in the wastewater through chemical coagulation reaction; adding sodium hypochlorite to kill algae and microorganisms in the wastewater; and performing concentration-precipitation, sand leach and ultrafiltration to finally obtain treatment reuse water which is clean and unblocks pores of the ceramic filter. The water obtained after the treatment of the beneficiation wastewater of a mine by using the method has good water quality, and has the effect that the pores of the ceramic filter are not calcified and blocked and the filter effect is normal after the water is reused by the ceramic filter; and the water after the treatment is applicable to ceramic filters with high water quality requirement and can be used as other production water in the mine, and is particularly applicable to mines using the ceramic filters. The method has obvious effect of achieving wastewater complete utilization and zero discharge and reducing fresh water consumption for concentration plants.
Owner:南京银茂铅锌矿业有限公司
Method for preparing battery cathode material calcium zincate and sealing device used for the same
InactiveCN101264924ALow costThe cost does not pollute the environmentCalcium/strontium/barium compoundsCell electrodesCarbonationChemistry
The invention discloses a preparation method for battery negative electrode material calcium zincate, which comprises the following steps: adding ZnO and Ca (OH) 2 in a seal chamber with NaOH solution according to the molar ratio of 2:1; switching on a blower; continuously stirring reactant at 55 to 95 DEG C for 10 to 16 hours; directly pumping the products after reaction for filtration, washing the products after pumping filtration using anhydrous alcohol, then performing the pumping filtration again, and drying the calcium zincate after the second pumping filtration in a vacuum drying box at 20 to 100 DEG C for 2 to 10 hours; recovering the filtrate of the first pumping filtration as the reaction medium for recycle utilization, recovering the anhydrous alcohol in filtrate of the second pumping filtration for recycle utilization after fractionation. The preparation method of the battery negative electrode material calcium zincate has the advantages of recyclability of mother liquor and alkali liquor, applicability to industrial mass production, low cost, environmental friendliness, and ability to effectively prevent acidization of products during the preparation of calcium zincate due to a sealing device.
Owner:CENT SOUTH UNIV
Energy-saving and environment-friendly foot-bath barrel
InactiveCN108784468AReduce pollutionGuaranteed recyclingWater/sewage treatment by irradiationBathsEngineeringElectromagnetic valve
The invention discloses an energy-saving and environment-friendly foot-bath barrel, which comprises a barrel body, wherein the barrel body comprises a control panel and a barrel cover; a duckbill spraying port and a massaging disc are arranged in the barrel body, and a water tank is movably arranged on the barrel body; a circulating water exchanging path is arranged on the lower bottom surface ofthe barrel body; the circulating water path comprises a PTC heating pipe, an electromagnetic valve and a five-way filter valve; the PTC heating pipe, the electromagnetic valve and the five-way filtervalve are coordinated with the circulating water path via pipelines, so that a water circulating system is defined; and the PTC heating pipe, the electromagnetic valve and the five-way filter valve communicate with the water tank via pipelines. The device (the foot-bath barrel) provided by the invention, through cooperation between the water tank and the water circulating system, can guarantee circulating of foot-bath water, and by arranging the five-way filter valve, the foot-bath water can be filtered when water circulating is guaranteed, so that the foot-bath water is kept clean; in addition, by arranging the PTC heating pipe, the foot-bath water can be heated in a circulating process of the foot-bath water, so that the foot-bath water can be prevented from getting cold; and by virtue of the massaging disc in cooperation of the duckbill spraying port, consumers' demands on foot bath can be satisfied.
Owner:安徽省龙凤科技有限公司
A method for separating and recovering iron from red mud
Owner:CENT SOUTH UNIV
Concrete for slope protection blocks and method for preparing slope protection blocks
The invention relates to the technical field of dike slope protection engineering, in particular to concrete for slope protection blocks and a method for preparing the slope protection blocks. The concrete for the slope protection blocks is made from steel slag, fly ash, cement, water, a water reducing agent, gravels and sand according to a ratio, wherein the steel slag is divided into three partsof steel slag stone, steel slag sand and steel slag powder through sieves. The mechanical properties of the slope protection blocks made from the concrete are improved significantly, especially the compression resistance and fracture resistance, and when the blocks made from the concrete are compared with ordinary concrete blocks, the durability is improved, and resistance to carbonizing and resistance to water penetration are improved remarkably.
Owner:SHANDONG UNIV
Novel environment-friendly waste battery recycling device
InactiveCN110712893AContainment hazardAvoid investmentRefuse receptaclesEnvironmental engineeringMechanical engineering
The invention discloses a novel environment-friendly waste battery recycling device, and relates to the technical field of environment-friendly garbage recycling equipment. The environment-friendly novel waste battery recycling device comprises a cabinet body, wherein an operation platform is arranged on the top of the cabinet body, a putting port is formed in the operation platform, and a horn mouth structure is mounted at the putting port; a discharging pipe is fixed at the position, right below the putting opening, of the bottom in the cabinet body through a lifting base; a telescopic spring A is fixed at the bottom end of the discharging pipe; a base is fixed at the top end of the telescopic spring A, and the upper surface of the base is an inclined surface; two openings are formed inone side of the discharging pipe from top to bottom; a discharging putting pipe is further arranged at the top of the discharging pipe in a matched mode, and the discharging putting pipe comprises a horn mouth part and a circular pipe part from top to bottom; and a material collecting device is arranged on one side of the discharging pipe, and the material collecting device comprises three fixingcolumns which are equipped with three storage boxes from bottom to top. According to the novel environment-friendly waste battery recycling device, waste batteries put into a recycling box are classified and recycled, so that the batteries are classified in the recycling process.
Owner:界首市利能环保技术开发有限公司
Directly-heated type heat pump water heater
The invention discloses a directly-heated type heat pump water heater used for heating bath water and comprising an evaporator, a condenser, a compressor, a throttling device, air exhausting device, a water side channel pipe and a controlling valve. The compressor and the throttling device communicate with the evaporator and the two ends of the condenser correspondingly; the air exhausting device is used for extracting water vapor in a bathroom into the evaporator; the water side channel pipe is arranged on the condenser, and the controller valve is arranged on the water side channel pipe. According to the provided directly-heated type heat pump water heater, water vapor latent heat is absorbed to heat the bath water, and accordingly heat energy circulation is achieved better.
Owner:HUNAN CHUANGHUA LOW CARBON ENVIRONMENTAL PROTECTION TECH
Industrial sludge solid waste treatment method
InactiveCN106348552AReduce pollutionReduce generationSolid waste managementFixation/solidifcation sludge treatmentSludgeTherapeutic effect
The invention discloses an industrial sludge solid waste treatment method which comprises the following steps: proportioning parameters of cement, wastes, a medicament and water, conveying sludge wastes, stirring by a stirring machine, conveying the materials to a building block forming machine through a belt conveyor for forming and maintenance of building blocks, and finally performing landfilling. The method is simple in process, convenient to operate, obvious in treatment effect and extremely low in pollution to underground water; furthermore, generation of solid wastes can be reduced, and the solid wastes can be fully and cyclically used as much as possible.
Owner:赵卫平
Placement table of big data integrated machine
ActiveCN106376221AAvoid damageImprove securityDigital data processing detailsCooling/ventilation/heating modificationsAir pumpEngineering
The invention relates to a big data integrated machine, in particular to a placement table of the big data integrated machine. The placement table, which is good in heat dissipation effect and fast in heat dissipation speed and is environmental-friendly, of the big data integrated machine is provided. In order to solve the abovementioned technical problems, the invention provides such the placement table of the big data integrated machine. The placement table comprises a placement bench and the like, wherein a fixed plate is welded with a right side of the placement bench, a temperature reduction box is welded on the fixed plate and internally comprises an air outlet pipe, a collection box, an air pump, a placement box, a filtering mesh, a water outlet pipe, an air inlet pipe, a baffle plate and a screw, the collection box is welded with a left side of the bottom of the temperature reduction box, the air pump is welded with a right side of the bottom of the temperature reduction box, the placement box is welded with a left wall of the temperature reduction box, and the filtering mesh is welded with the bottom of the placement box. Heat emitted from the big data integrated machine is dissipated by circulated air, and the temperature of air is reduced by a low temperature of ice.
Owner:无锡天云数据中心科技有限公司
High-purity barium hydroxide production wastewater recycling technology and equipment
ActiveCN103288240AEasy to recycleRecycle and saveMultistage water/sewage treatmentCalcium/strontium/barium oxides/hydroxidesBarium dichlorideExhaust fumes
The invention relates to a high-purity barium hydroxide production wastewater recycling technology and equipment. The equipment is characterized in that an outlet of a barium hydroxide reactor is connected with a separator; the wastewater outlet of the separator is connected with a barium chloride reactor through a pipeline; a discharge pipe of the barium chloride reactor is connected with a filter; a liquid outlet pipe of the filter is connected with an alkaline liquor reactor; the discharge pipe of the alkaline liquor reactor is connected with a centrifugal machine; the centrifugal machine is provided with a finished product discharge pipe and a mother liquid discharge pipe; and the mother liquid discharge pipe is connected with the separator, wherein an acid inlet, a barium carbonate inlet, a barium carbonate inlet and a tap water inlet are also formed in the barium chloride reactor, an exhaust gas outlet is also formed in the top end of the barium chloride reactor and is connected with a wastewater outlet pipeline of the separator through an elbow. By utilizing the technology, barium ions in the wastewater can be fully recycled and are utilized to re-prepare high-purity barium hydroxide, so that resource recycling is realized, the environmental pollution is greatly reduced, resource consumption is reduced, the production cost is lowered, and the technology has a better economic benefit and a better environmental benefit.
Owner:滨州坤宝化工有限责任公司
Extraction device and extraction process
ActiveCN108970171AAchieve consumptionReduce fluid storageHalogenated hydrocarbon separation/purificationDistillation separationDistillationEvaporation
The invention provides an extraction device. The extraction device comprises a spray extraction layer and a distillation layer in communication with a liquid outlet of the spray extraction layer; thespray extraction layer comprises a plurality of upper driving rollers at the top, a plurality of lower driving rollers at the bottom, an extraction agent spraying port between the upper driving rollers and the lower driving rollers, a liquid outlet at the bottom, and a film inlet and a film outlet at the top; the distillation layer comprises a heating device at the bottom, an air exhaust port at the top and a liquid discharge port at the bottom. The extraction device has the advantages that spray extraction and instant evaporation methods are applied to extract to-be-treated films; through spray extraction, cross contamination can be avoided, and the stable extraction effect can be achieved; through high-temperature distillation, the liquid storage volume of an extraction tank can be reduced, and the safety can be improved; dichloromethane can be recycled to achieve cyclic utilization, and the consumption of the dichloromethane can be decreased; the extraction device is of a double-layer structure, and accordingly, production / equipment abnormities are handled conveniently.
Owner:HEBEI GELLEC NEW ENERGY MATERIAL SCI&TECHNOLOY CO LTD
Muddy water and earth pressure double-mode shield system and control method
The invention provides a muddy water and earth pressure double-mode shield system and a control method. The muddy water and earth pressure double-mode shield system comprises a shield part, a slurry separation trolley and a bentonite slurry preparation trolley, wherein the slurry separation trolley and the bentonite slurry preparation trolley follow the shield part; a shield cutter head is arranged at the front end of the shield part; a soil bin is arranged behind the shield cutter head; an inlet of a spiral conveyor is connected into the lower section of the soil bin; a lubricating slurry inlet pipe connected to the shield cutter head and a pressure slurry inlet pipe connected to the soil bin are also arranged; the spiral conveyor is connected with a slurry discharge device; the slurry discharge device is connected with a first circulating pipe; and the first circulating pipe is connected with the lubricating slurry inlet pipe and the pressure slurry inlet pipe. According to the muddywater and earth pressure double-mode shield system and the control method, the spiral conveyor is adopted as a single slurry outlet of the soil bin, so that the installation space is reduced, the seamless switching of a muddy water balance shield mode and an earth pressure balance shield mode is realized, the construction efficiency is improved, and the labor intensity of field construction is greatly reduced.
Owner:CCCC SECOND HARBOR ENG
Bis-diol monoalkyl ether formaldehyde preparation method
ActiveCN107827717AReduce dosageHigh catalytic activityOrganic chemistryOrganic compound preparationWastewaterEther
The invention discloses a bis-diol monoalkyl ether formaldehyde preparation method. The bis-diol monoalkyl ether formaldehyde can be prepared by the steps: utilizing methylene diethyl ether and diolmonoalkyl ether as raw materials and performing transacetalation under the catalysis of phosphotungstic acid. According to the preparation method disclosed by the invention, the bis-diol monoalkyl ether formal is synthesized from a phosphotungstic acid catalyst; the catalyst has the advantages of small use amount, high catalytic activity, small corrosion to equipment and easiness in being separated from products; recycling the catalyst is achieved; the preparation method is a high-efficiency, green and environment-friendly production method. The methylene diethyl ether is utilized to replace formaldehyde as the raw material, so that pollution of the formaldehyde to the environment and harm of the formaldehyde to the human body are greatly reduced; wastewater emission is reduced, product quality is improved, and a green chemistry idea is met.
Owner:ANHUI XINYUAN CHEM
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