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Purification technology and equipment of waste gas containing high concentration nitrogen oxide
ActiveCN1830526AEnhanced mass transferImprove responseDispersed particle separationHigh concentrationNitrogen dioxide
A process for cleaning the waste gas containing high-concentration NOx includes such steps as gathering the fume, coming in rotary filler bed, diffusing into rotary filler, spraying the absorptive liquid to filler, countercurrent absorption, mixing the treated gas with oxidant to oxidize NO to NO2, coming in rotary filler bed, absorbing by absorptive liquid, defrosting, and exhausting. Said absorptive liquid can be cyclically used. Its apparatus is also disclosed.
Owner:ZHONGBEI UNIV
Nanometer antibacterial urinary catheter
InactiveCN1597009AExtended shelf lifeEasy to useSuction devicesOther medical devicesUrinary catheterNano structuring
An antibacterial urinary catheter with nano-structure is composed of a basic catheter made of conventional rubber, and a surface layer which is prepared from nano-Ag (or nano-Ti), ammonia water, diffusing agent and silica gel (or latex). Its preparing process is also disclosed.
Owner:邵贤斌
Technology and device for treating organic waste gas with activated carbon by means of nitrogen heating and vacuum desorption
InactiveCN104958995AReduce consumptionNo steam consumptionDispersed particle separationExhaust fumesPre treatment
The invention provides a technology and a device for treating organic waste gas with activated carbon by means of nitrogen heating and vacuum desorption. The technology is characterized by including a pretreatment stage, an adsorption stage, a desorption stage and a recycling stage. The device comprises an adsorber, a heater, a vacuum pump, a condenser and a recycling tank. The technology and the device have the advantages that the technology and the device are different from existing waste gas treatment by means of steam desorption, nitrogen heating desorption and vacuum desorption are combined with each other, accordingly, the desorption efficiency can be enhanced, steam consumption can be reduced to a great extent, and a large quantity of wastewater and secondary pollution can be prevented; granular activated carbon in the adsorber does not need to be dried and regenerated, accordingly, the technology and the device are free of steam consumption and wastewater pollution, low in energy consumption and high in desorption efficiency, and are environmental friendly, energy can be saved, excellent desorption effects can be realized, the organic waste gas treatment cost can be reduced, the technology is simple, and requirements of discharge standards can be met after the waste gas is treated by the aid of the technology and the device.
Owner:江苏中远环保科技有限公司
Method for preparing black sugar
InactiveCN105861761ANo secondary pollution will occurHigh medicinal valueSugar productsPurification by physical meansProduct inspectionEnzymatic hydrolysis
The present invention belongs to the field of food processing, and particularly relates to a method for preparing black sugar. The method comprises the steps of pre-treating sugarcane, cleaning the sugarcane, peeling the sugarcane, squeezing the sugarcane into juice, heating the juice to sterilize the juice, filtering the juice, concentrating the juice, subjecting the juice to enzymatic hydrolysis reaction, concentrating the juice for a second time, conducting the thermal reaction, subjecting an obtained product to dehumidification reaction, packing the finished product and the like. According to the technical scheme of the method for preparing black sugar, firstly, the squeezing and concentrating operation is conducted, and then the enzymatic hydrolysis reaction is conducted. After that, the concentrating and heating operation is conducted to obtain black sugar. In this way, the drying and the crystallizing are not required, and a standard purification plant is established. The secondary pollution of the obtained product is avoided, so that the finished product is cleaner. Each step is conducted according to a strict process flow for production, incoming inspection, production inspection and finished product inspection, so that the product is safer. The majority of nutrient substances in the sugarcane is maintained, and the black sugar is higher in medicinal value.
Owner:刘伟亚
Soil dehydration desiccation or solidification method
The invention relates to a soil dehydration desiccation or solidification method, and belongs to the field of soil dehydration and foundation reinforcement. According to the method, a specially-designed vacuum plate is inserted in soil, then moisture in the soil is discharged through a vacuum preloading process, at last, a sealing film is removed, a vacuum pump is continuously used for pumping the soil, and air flowing in the soil is accelerated. The soil dehydration desiccation or solidification method is easy to operate, low in cost, good in dehydration desiccation effect, and free of secondary pollution.
Owner:YIXING LIANGXU WELDING CERAMIC PART
Calcium bicarbonate modified diatomite adsorbent
InactiveCN104667859APositive effectImprove performanceOther chemical processesWater/sewage treatment by sorptionSodium bicarbonateCALCIUM HYDROXIDE SOLUTION
The invention provides a calcium bicarbonate modified diatomite adsorbent. The calcium bicarbonate modified diatomite adsorbent consists of diatomite, sodium bicarbonate, a saturated calcium chloride solution, activated clay, and polyacrylamide. A preparation method of the calcium bicarbonate modified diatomite adsorbent comprises the following steps: adding metered diatomite to a prepared sodium bicarbonate solution, slowly adding the saturated calcium chloride solution, the activated clay and the like while stirring, filtering after the completion of reaction, arranging in an oven and drying under the condition of 105 DEG C to obtain the calcium bicarbonate modified diatomite.
Owner:QINGDAO HAOTAI WATER
Device and method for purifying waste gas containing VOCs by membrane aeration biological membrane reactor
InactiveCN107596905ASimple structureHigh removal rateDispersed particle separationAir quality improvementHollow fibre membraneFiber
The invention discloses a device and method for purifying waste gas containing VOCs by a membrane aeration biological membrane reactor. A biological reaction module 14 of the device is connected witha purified gas collecting device 7 and a liquid storage base 6; the biological reaction module 14 comprises a tubular biological reaction tower body 1; a membrane aeration air inlet pipe 10 is arranged at the upper part of the tubular biological reaction tower body; the membrane aeration air outlet pipe 11 is arranged at the lower part of the tubular biological reaction tower body; two ends of a hollow fiber membrane module 2 are separately connected with the membrane aeration air inlet pipe 10 and the membrane aeration air outlet pipe 11; a nutrient solution spraying device 5 is arranged above the hollow fiber membrane module 2; a waste gas source containing VOCs is connected with a waste gas flowmeter 15 through a pipeline, and then is connected with the membrane aeration air inlet pipe10 and one end of a waste gas inlet pipeline 8; and the other end of the waste gas inlet pipeline 8 is arranged in a manner of running through the side wall of the liquid storage base 6. The device provided by the invention has a simple structure and low running cost, and the method provided by the invention has no secondary pollution and low energy consumption.
Owner:TIANJIN POLYTECHNIC UNIV
Method for drying silt or sludge
ActiveCN103936254ALow costReduce in quantitySludge treatment by de-watering/drying/thickeningSludgePulp and paper industry
The invention relates to a method for drying silt or sludge, particularly relates to a drying treatment method for slit or sludge in rivers and lakes, and belongs to the technical field of drying treatment. A drainage plate is inserted into the slit or sludge, and then moisture in the slit / sludge is eliminated by a vacuum preloading technology; finally, dry air or heated air is introduced into the other end of the drainage plate; the vacuum pump is utilized sequentially to carry out pumping treatment; flowing of air in a soil body is accelerated. The method is simple to operate, moderate in price, and good in silt or sludge drying effect.
Owner:江苏江达生态环境科技有限公司
Catalyst for steam reformation hydrogen production with by-product glycerol of biological diesel oil and preparation method thereof
InactiveCN101342488AImprove stabilityLess carbon depositHydrogenMetal/metal-oxides/metal-hydroxide catalystsSodium BentoniteBiodiesel
The invention discloses a catalyst for preparing hydrogen by reforming the by-product glycerine vapour of biological diesel oil and a preparation method thereof. The ingredients of the catalyst include 30-70 weight percent of bentonite, 5-20 weight percent of NiO and 5-15 weight percent of CuO. The catalyst prepared by such method has the advantages of that the reaction activity of preparation of hydrogen by glycerine vapour reforming is relatively high, the activity grows following the increase of temperature, the yield of hydrogen and carbon dioxide is increased and the quantity of carbon accumulation is lowered. The raw materials are mainly minerals and compounds which are cheap and abundant; the preparation process is simple, and the cost is low. In addition, the long-term storage or direct abandonment of the catalyst does not incur secondary pollution, therefore, the catalyst is environment-friendly.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Intelligent automatic washing machine
InactiveCN101725007AAchieve cleaning effectLow costOther washing machinesWashing machine with receptaclesImpellerSprayer
The invention relates to an intelligent automatic washing machine. A motor is installed in a cavity formed by a control panel, a door cover plate, an upper frame and a shell; the motor is connected with a shaft body through a belt and a belt pulley; the shaft body is connected with an impeller to form a transmission device; a drain valve, a drain pipe and an electromagnetic water pump or a retractor compose a drain device; the shell is formed by connecting a vat and a base; the upper frame is connected with a spray device; and a computer control board is installed on the control panel. A washing program comprises the following steps: water intake: opening an intake valve by the computer control board for water intake; washing: after the quantity of water intake reaches a set standard, stopping water intake and starting washing; draining: after washing, draining water out of the vat; repeating the process for 2-3 times; and spray washing and draining: washing by a sprayer at the top and draining at the bottom according to the washing program synchronously for 1-2 minutes. The invention cancels a dewatering program and adds a spray washing and draining program, thereby reducing the number of clutches and saving water; the shell is a single vat, thereby reducing the number of parts, reducing cost and eliminating the secondary pollution; and the single-vat full automatic washing machine reduces the labor intensity of users.
Owner:贝国寅
Purifying process and device for welding fume
ActiveCN102886184AImprove dust removal rateSimple processCombination devicesWelding/cutting auxillary devicesProcess engineeringSmall footprint
The invention belongs to the technical field of a welding accessory device, specifically a purifying process and a device for welding fume. The purifying process and the device solve a problem that the conventional dust removing method is not suitable for processing electric welding fume. The device comprises a plurality of parallel gas collecting hoods which are integrated with a welding gun, wherein the gas collecting hoods are connected with a rotary filler bed; the gas collecting hoods are of umbrella-shaped structures; an upper part, a lower part or a side part of the welding gun is provided with a connecting mechanism which is connected with the gas collecting hoods. According to the process, a gas speed inside the gas collecting hoods is 0.3-2.5m / s, the gas speed inside pipelines of the gas collecting hoods is 10-25 m / s, absorption liquid is water, and a gas liquid ratio of dust-containing gas and the adsorption liquid is 200-2000 m<3> / m<3>. The purifying process and the device have the beneficial effects of being simple in process flow, higher than 99% in dust removing rate, convenient to carry, small in floor area, low in operating cost, small in energy consumption, convenient to move and simple to operate.
Owner:ZHONGBEI UNIV
Green process for recovering yellow phosphorus from phosphorus mud
InactiveCN109987593AHigh recovery rateNo secondary pollution will occurPhosphorus compoundsWarm waterReaction temperature
The invention discloses a green process for recovering yellow phosphorus from phosphorus mud. The process comprises the following steps: step 1, putting the phosphorus mud into warm water to completely immerse the phosphorus mud in the water; step 2, adding ethanol, performing stirring, and controlling reaction temperature at 44.1-78.4 DEG C; step 3, after standing is completed, allowing a stratified liquid to appear, and respectively taking an upper-layer, middle-layer and lower-layer material; step 4, performing recycling on the liquid yellow phosphorus in the middle layer, and performing storage; step 5, washing the black residues in the lower layer by using hot water, and collecting a washing liquid; and step 6, performing extraction on the washing liquid by using ethanol, and collecting the liquid yellow phosphorus. When the process provided by the invention is adopted to recover the yellow phosphorus, the recovery rate of the yellow phosphorus is improved; and the process for recovering the yellow phosphorus is a green process, and has no secondary pollution.
Owner:舒爱桦 +1
Novel corrosion-resistance flexible fireproof photoelectric composite cable
InactiveCN105845213AWon't happenNo secondary pollution will occurFibre mechanical structuresPower cables including optical transmission elementsWhite petrolatumElectrical conductor
The invention relates to a novel corrosion-resistant flexible fireproof photoelectric composite cable, comprising 2 to 5 insulated wire cores and an optical fiber core twisted into a composite cable core; the insulated wire core includes a conductor and an insulating layer wrapped outside the conductor; the The optical fiber core includes the optical fiber from the inside to the outside, and the optical fiber metal protective tube is continuously welded outside the optical fiber. The metal protective tube is filled with lubricating petroleum jelly, and the metal protective tube is extruded with a high-density polyethylene optical fiber protective layer. The galvanized steel wire forms the optical fiber armor layer, and the optical fiber armor layer is extruded with a high-density polyethylene optical fiber outer sheath. The invention can be used for the transmission and distribution of electric energy, can effectively solve the problem of power consumption of equipment in network construction, and avoid repeated deployment of power supply lines. In addition, it has small outer diameter, light weight, small footprint, and is easy to purchase and construct. Low cost, convenient construction and other advantages.
Owner:人民电缆集团有限公司
Nanometer antibacterial urinary catheter
InactiveCN100518853CExtended shelf lifeEasy to useCatheterSuction devicesUrinary catheterPlastic materials
The nano antibacterial urinary catheter is composed of a common base layer and a surface covering layer, which is characterized in that the surface covering layer is made of glue mixed with nanometer metal ion bactericidal and antibacterial materials, the common base layer is made of conventional glue, and the surface covering layer glue is Quantitative nanometer metal ions, ammonia water, and diffusing agent are ball milled and mixed, mixed into the glue to stir, precipitate, and remove air bubbles to form a glue solution for use; the nanometer metal ion sterilizing and antibacterial material is nano silver or nano titanium; the glue is silica gel or Latex; the production process is to insert the mold into the prepared surface covering layer, ordinary base layer and surface covering layer glue in sequence, dip in glue, dry, demould, sterilize, and pack. Long shelf life, can inhibit the growth of colonies, sterilization and antibacterial.
Owner:邵贤斌
Ammonium thiocyanate modified seaweed biotype absorbent and preparation method and application thereof
InactiveCN102500334AModification method is simpleLong storage timeOther chemical processesWater/sewage treatment by sorptionHigh absorptionSorbent
The invention discloses a preparation method of an ammonium thiocyanate modified seaweed biotype absorbent, which comprises the following steps of: drying seaweed, grinding, sieving and immersing in hydrochloric acid to obtain mixed liquid; filtering, washing and drying the mixed liquid to obtain preprocessed seaweed; drying the processed seaweed, and adding ammonium thiocyanate and chloroacetic acid; carrying out modification reaction after adjusting a pH value; and filtering, washing and drying after the reaction to obtain the ammonium thiocyanate modified seaweed biotype absorbent. The ammonium thiocyanate modified seaweed biotype absorbent is used for absorbing Cr6+, the absorbed Cr6+ can be eluted by acid, so that heavy metal is recycled, and a recycled material is reused. In the invention, ammonium thiocyanate is utilized to modify the seaweed, so that the absorption activation point of the seaweed is increased, and the capability of seaweed to absorb the heavy metal is improved. The absorbent disclosed by the invention has high absorption efficiency and volume, and is economic and suitable.
Owner:GUANGDONG IND TECHN COLLEGE
Amino porous material and preparation method and application thereof
InactiveCN110302765ADoes not affect adsorptionNo physical sheddingGas treatmentOther chemical processesCross-linkOrganic acid
The invention provides an amino porous material and a preparation method and application thereof. The preparation method comprises the following steps: wetting a rigid material with a polyethyleneimine solution and filling and accumulating gaps of the rigid material; fully crosslinking by adding a crosslinking agent solution, or mixing the polyethylenimine solution with a crosslinking agent to obtain a mixture, and adding the rigid material into the mixture; then dewatering and drying by a water pump to volatilize water in the gaps; during dewatering, acting polyethyleneimine and the cross-linking agent to form a network which sleeves the surface of the rigid material component; and drying to obtain the amino porous material. The porous material can be directly used as a block material toadsorb various acid gases, organic acids, anionic direct dyes and reactive dyes, and can also be crushed and packed for use. Compared with the prior art, the amino porous material has the characteristics of green production, high mechanical strength, easiness in regeneration and the like.
Owner:TONGJI UNIV
A kind of remediation method of arsenic polluted soil
ActiveCN103920704BLow priceWide variety of sourcesContaminated soil reclamationGrowth plantArsenic pollution
Owner:中节能大地(杭州)环境修复有限公司
Muddy water separator used for town and country construction and technology thereof
PendingCN106430706ANo secondary pollutionNo secondary pollution will occurSludge treatment by de-watering/drying/thickeningMultistage water/sewage treatmentSludgeClearing Agent
The invention relates to a muddy water separator used for town and country construction and a technology thereof, and belongs to the technical field of sludge treatment. The muddy water separator comprises a water clearing agent tank, a flocculating agent tank, a blending pool, a flocculating pool, an oxidation pool, a water clearing pool and a squeezing mechanism, wherein the water clearing agent tank is communicated with the blending pool. The technology comprises the steps of pumping sludge water ready to be treated into the blending pool and conducting treatment on the sludge water, afterwards, sending the sludge water to the flocculating pool and conducting standing treatment on the sludge water, sending upper-layer sludge water to the oxidation pool and conducting treatment on the upper-layer sludge water, and sending lower-layer sludge to the squeezing mechanism through a sludge entrance to be subjected to dehydration. The muddy water separator used for town and country construction is applicable to desilting in urban construction and river channels, and has the advantages of being trenchless, short in process, convenient to operate, flexible to implement and the like.
Owner:黄敬超
An in-situ fully automatic contaminated soil remediation device
ActiveCN103990644BImprove repair efficiencyRealize fully automatic continuous operationContaminated soil reclamationDelivery vehicleEngineering
Owner:辽宁易发成林生态技术有限公司
Liquid food packaging sterilization device
InactiveCN108502273AEasy coolingNo secondary pollution will occurPackage sterilisationPackaging automatic controlPhysical healthFood safety
The invention discloses a liquid food packaging sterilization device. The liquid food packaging sterilization device comprises a conveying belt, a high-temperature sterilization box, an electric heating plate, a time displayer, a cooling chamber, an air inlet pipe, a fan, a liquid food box, a sterilization box, a liquid storage box, a liquid level sensor, ultraviolet sterilization lamps, a liquidlevel displayer, a liquid outlet and a faucet. The high-temperature sterilization box and the sterilization box are arranged, the electric heating plate is arranged in the high-temperature sterilization box, and the ultraviolet sterilization lamps are arranged in the sterilization box, so that packaging bottles and liquid food are sterilized before packaging, the packaged food is protected againstsecondary pollution, food safety is guaranteed, and the physical health of eaters cannot be endangered; the cooling chamber is arranged between the high-temperature sterilization box and the liquid food box, and the packaging bottles subjected to high-temperature sterilization are conveniently cooled through the cooling chamber, so that when the packaging bottles are conveyed to the liquid food box, workers conveniently fill the packaging bottles with liquid.
Owner:东台世恒机械科技有限公司
Smoke desulfurization method for coal-fired boiler
InactiveCN102641655AFull mass transfer exchangeGood absorption responseDispersed particle separationExhaust fumesEconomic benefits
The invention discloses a smoke desulfurization method for a coal-fired boiler. The smoke desulfurization method comprises the following steps that: firstly, non-desulfurized smoke generated in the coal-fired boiler is introduced into a flue by a high-voltage electrostatic precipitator; secondly, smoke generated in a soda recovery furnace is introduced into the flue in the first step by virtue of another high-voltage electrostatic precipitator; and thirdly, after the smoke generated in the coal-fired boiler and the soda recovery furnace in the first and second steps simultaneously enter the common flue and then are fully mixed and reacted, the reacted smoke is discharged from the flue by a draught fan. The smoke desulfurization method has the beneficial effects that the input is small, the desulfurization cost is low, secondary pollution is avoided, the aim of treating wastes with wastes is achieved by utilizing waste gas discharged from the soda recovery furnace to perform the desulfurization, the effect is optimal, the economic benefits are remarkable, and thus the method is the optimal method which can not be replaced by other desulfurization methods.
Owner:镇赉新盛纸业有限公司
Small-size treating device for recycling household wastewater
InactiveCN105887965APH has little effectSmall footprintWater treatment parameter controlWater/sewage treatment by irradiationWater storage tankWastewater
The invention discloses a small-size treating device for recycling household wastewater. The small-size treating device comprises a filtering tank and a water storage tank and is characterized in that the filtering tank comprises a No.1 filtering tank and a No.2 filtering tank; a No.1 water inlet pipeline is arranged at the upper end on the side of the No.1 filtering tank; a slagging port, a turbidity sensor and a sieve are successively arranged at the bottom of the No.1 filtering tank; the lower ends of the No.1 filtering tank and the No.2 filtering tank are communicated with each other through a water guide pipe; a No.2 water inlet pipeline is arranged at the upper end on the side of the No.2 filtering tank; an oil outlet, a first filter screen, a second filter screen and a filtering tank water outlet are successively arranged at the bottom of the No.2 filtering tank; the filtering tank water outlet is communicated with the water storage tank through the water guide pipe; an ultraviolet lamp is arranged on the upper part of the water storage tank while a filtering tank water outlet is formed at the bottom. The small-size treating device for recycling household wastewater has the advantages that the floor area of the device is small, the scrubbing effect is obvious, the operation is simple and convenient, the operation and maintenance are simple, the cost is low, the influence of water temperature and ph value on the disinfecting effect is small and no secondary pollution is generated.
Owner:HOHAI UNIV
Purifying device for welding fume
ActiveCN102886184BImprove dust removal rateEasy to carryCombination devicesWelding/cutting auxillary devicesLiquid ratioProcess engineering
The invention belongs to the technical field of a welding accessory device, specifically a purifying process and a device for welding fume. The purifying process and the device solve a problem that the conventional dust removing method is not suitable for processing electric welding fume. The device comprises a plurality of parallel gas collecting hoods which are integrated with a welding gun, wherein the gas collecting hoods are connected with a rotary filler bed; the gas collecting hoods are of umbrella-shaped structures; an upper part, a lower part or a side part of the welding gun is provided with a connecting mechanism which is connected with the gas collecting hoods. According to the process, a gas speed inside the gas collecting hoods is 0.3-2.5m / s, the gas speed inside pipelines of the gas collecting hoods is 10-25 m / s, absorption liquid is water, and a gas liquid ratio of dust-containing gas and the adsorption liquid is 200-2000 m<3> / m<3>. The purifying process and the device have the beneficial effects of being simple in process flow, higher than 99% in dust removing rate, convenient to carry, small in floor area, low in operating cost, small in energy consumption, convenient to move and simple to operate.
Owner:ZHONGBEI UNIV
Belt-type fermented material sheeter
ActiveCN105058834AIncrease surface areaImprove breathabilityPressesMechanical engineeringHigh water content
Owner:GUANGXI LIYUANBAO SCI & TECH
Method for drying silt or sludge
ActiveCN103936254BLow costReduce in quantitySludge treatment by de-watering/drying/thickeningSludgePulp and paper industry
The invention relates to a method for drying silt or sludge, particularly relates to a drying treatment method for slit or sludge in rivers and lakes, and belongs to the technical field of drying treatment. A drainage plate is inserted into the slit or sludge, and then moisture in the slit / sludge is eliminated by a vacuum preloading technology; finally, dry air or heated air is introduced into the other end of the drainage plate; the vacuum pump is utilized sequentially to carry out pumping treatment; flowing of air in a soil body is accelerated. The method is simple to operate, moderate in price, and good in silt or sludge drying effect.
Owner:江苏江达生态环境科技有限公司
Automobile urea solution heating device and method
ActiveCN105201601AHigh cost of solutionNo secondary pollution will occurExhaust apparatusSilencing apparatusEngineeringPollution
The invention provides an automobile urea solution heating device and method. The device comprises a stirring tank and a main engine, wherein a coil pipe is arranged on the peripheral wall of the stirring tank; the main engine is communicated with the coil pipe; a pressure relief device is arranged on a pipeline between the main engine and the coil pipe. According to the technical scheme, the coil pipe is arranged on the peripheral wall of the stirring tank, the main engine is communicated with the coil pipe, and the pressure relief device is arranged on the pipeline between the main engine and the coil pipe. Through the adoption of the technical scheme, secondary pollution of an automobile urea solution in the heating process can be avoided, the device is simple in arrangement, and the problems of low heating efficiency of the electrical heating manner and high cost of the engine heating manner can be effectively solved.
Owner:GREE ELECTRIC APPLIANCES INC
Vehicle urea solution heating device and heating method
ActiveCN105201601BHigh cost of solutionNo secondary pollution will occurExhaust apparatusSilencing apparatusEngineeringPollution
The invention provides an automobile urea solution heating device and method. The device comprises a stirring tank and a main engine, wherein a coil pipe is arranged on the peripheral wall of the stirring tank; the main engine is communicated with the coil pipe; a pressure relief device is arranged on a pipeline between the main engine and the coil pipe. According to the technical scheme, the coil pipe is arranged on the peripheral wall of the stirring tank, the main engine is communicated with the coil pipe, and the pressure relief device is arranged on the pipeline between the main engine and the coil pipe. Through the adoption of the technical scheme, secondary pollution of an automobile urea solution in the heating process can be avoided, the device is simple in arrangement, and the problems of low heating efficiency of the electrical heating manner and high cost of the engine heating manner can be effectively solved.
Owner:GREE ELECTRIC APPLIANCES INC
Method and device for treating corruptibility waste
InactiveCN101733270BNo secondary pollution will occurNo pollutionSludge treatmentSolid waste disposalReactor systemProcess engineering
The invention relates to a method and a device for treating corruptibility waste. The method comprises the following steps of mixing in proportion, stirring, deodorization, sterilization and dehumidification. The device comprises a raw material pretreating system, a raw material elevator, an auxiliary material burdening system, a reactor system and a belt conveyer, and is characterized in that a stirring claw of the raw material treating system is in a rod-shaped structure; the two spiral material pushing shafts, a left-handed rotation and a right-handed rotation are respectively arranged at two ends of a feeding hole of the raw material pretreating system; the raw material pretreating system is connected with the raw material elevator which adopts spiral elevating to feed the raw materials into the reactor system; the auxiliary material burdening system is connected with the raw material elevator to feed the auxiliary materials into the reactor system; and the discharge hole of the reactor system is connected with the belt conveyer. The invention has the following beneficial effects of high treating efficiency, and no secondary pollution; and the produced weak base organic fertilizer can improve soil activity.
Owner:高均
Formaldehyde degradation filter screen, preparation method thereof and purifier
InactiveCN109482003AIncrease filling volumeSpeed up decompositionGas treatmentDispersed particle filtrationBiochemical engineeringActive component
The invention provides a formaldehyde degradation filter screen, a preparation method thereof and a purifier. The formaldehyde degradation filter screen provided by the invention comprises a first initial-effect screen cloth layer, a formaldehyde purification layer and a second initial-effect screen cloth layer which are in contact in sequence; the formaldehyde purification layer comprises a smallcarrier carrying guanine active components and a porous large carrier fixing the small carrier, and the small carrier is fixed on the mesh surface of the porous large carrier. The formaldehyde degradation filter screen provided by the invention is safe and environment-friendly, low in cost, and capable of effectively degrading formaldehyde.
Owner:INFINITUS (CHINA) CO LTD
Purification technology and equipment of waste gas containing high concentration nitrogen oxide
ActiveCN100500265CEnhanced mass transferImprove responseDispersed particle separationHigh concentrationLiquid waste
A process for cleaning the waste gas containing high-concentration NOx includes such steps as gathering the fume, coming in rotary filler bed, diffusing into rotary filler, spraying the absorptive liquid to filler, countercurrent absorption, mixing the treated gas with oxidant to oxidize NO to NO2, coming in rotary filler bed, absorbing by absorptive liquid, defrosting, and exhausting. Said absorptive liquid can be cyclically used. Its apparatus is also disclosed.
Owner:ZHONGBEI UNIV
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