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42results about How to "Continuous purification" patented technology
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Formaldehyde purifying agent and application thereof in non-woven formaldehyde purifying wallpaper
InactiveCN105413454AImprove adsorption capacitySimple processGas treatmentPhysical/chemical process catalystsSocial benefitsAluminium sulfate
The invention discloses a formaldehyde purifying agent and application thereof in non-woven formaldehyde purifying wallpaper. The formaldehyde purifying agent is prepared from, by mass, 100 parts of an adsorbing agent, 1-100 parts of amino acid, 1-100 parts of chitosan and 1-100 parts of nano titanium phosphate. The adsorbing agent is prepared through a reaction of sepiolite and aluminum sulfate. The formaldehyde purifying agent can continuously and efficiently purify free formaldehyde in air. The purifying efficiency of the non-woven formaldehyde purifying wallpaper is larger than 97.5%. The non-woven formaldehyde purifying wallpaper can be widely applied to building interior decoration and has good economic benefits and social benefits.
Owner:沈阳领拓科技有限公司
Method of extracting stevioside from stevia rebaudiana bertoni by simulated moving bed chromatography (SMBC) method
ActiveCN106749448AObvious beneficial effectLarge-scale purificationSugar derivativesSugar derivatives preparationPurification methodsSeparation technology
The invention provides a method of extracting stevioside from stevia rebaudiana bertoni by a simulated moving bed chromatography (SMBC) method and belongs to purification methods of effective components from natural plants. In the technology of extracting the stevioside, purification with column chromatography is a key step, but resin is large in dosage, low in utilization ratio and long in regeneration period, can produce a great quantity of waste water and is of intermittent type operation mostly. According to the method, an SMBC separation technology with C18 as a stationary phase can steadily, continuously, automatically and efficiently extract the stevioside from a crude stevioside extract on a large scale, and the stationary phase and a mobile phase can be repeatedly utilized, so that the purification cost is lowered, and the SMBC separation technology belongs to an environmental-friendly separation process; and in combination with a water infiltration leaching method and an impurity removal method by a chromatography method, the water consumption and the energy consumption are lowered, flocculation impurity removal is not needed, the stationary phase does not need to be specially regenerated, the waste water drainage is reduced, and the technology is simple.
Owner:UNIV OF SCI & TECH LIAONING
Device for purifying polysilicon by shell melting method, and method
InactiveCN102050450AEliminate pollutionIncrease evaporation rateSilicon compoundsDirectional solidificationCopper
The invention discloses a device for purifying polysilicon by adopting shell melting technology, which comprises a water cooling vacuum hearth, annularly arranged water cooling copper pipes, a water cooling base plate with a lifting device, a plasma torch, a feeder and ultrahigh frequency induction heating coils. The invention also discloses a method for manufacturing solar-grade polysilicon, which comprises the following steps of: forming a solid silicon shell-melting crucible, performing ultrahigh frequency and ultrahigh temperature vacuum melting and plasma atmosphere refining on silicon raw materials in the shell-melting crucible, and performing directional solidification.
Owner:陈庆汉
Microfluidic chip and exosome extraction method
PendingCN110079457AContinuous purificationEfficient purificationBioreactor/fermenter combinationsBiological substance pretreatmentsChip sizeEngineering
The invention discloses a microfluidic chip and an exosome extraction method. The microfluidic chip comprises a substrate and a microfluidic channel layer on the substrate, wherein the microfluidic channel layer is provided with a sample inlet, a sample outlet, and a plurality of mixed channels and a magnetic chamber communicated between the sample inlet and the sample outlet, and the magnetic chamber is provided with a magnetic disk. According to the invention, exosomes can be continuously, automatically and efficiently purified, the sample dosage requirement is less, the chip size is less, and the microfluidic chip is convenient to carry. by using the microfluidic chip to extract the exosomes, the degree of automation is high, the separation time is short and the efficiency is high; andin the extraction process, physical damages caused to the exosomes are greatly reduced.
Owner:SUZHOU UNIV
Method and device for purifying air and application of device
ActiveCN107126821ASimple and convenient purificationEasy to moveGas treatmentUsing liquid separation agentThermodynamicsEngineering
The invention discloses a device for purifying air. The device comprises an air exchange device and a ventilation pipeline. Openings are formed in two ends of the ventilation pipeline, the air exchange device is arranged at the opening in one of the ends of the ventilation pipeline, the opening in the other end of the ventilation pipeline is open, the openings in the two ends of the ventilation pipeline keep in the air, and the middle of the ventilation pipeline is arranged in media at the temperatures different from the temperature of the air. The device for purifying the air has the advantages that the middle of the ventilation pipeline with the openings in the two ends is arranged in the media at the temperatures different from the temperature of the air, the air exchange device is arranged at the opening in the corresponding end of the ventilation pipeline, accordingly, the air around the openings in the two ends of the ventilation pipeline can flow through the media at the temperatures different from the temperature of the air, and moisture in the air can be condensed; impurities in the air can be adsorbed and dissolved in condensed water, and accordingly the air can be easily and conveniently purified.
Owner:何强东
Immobilized microorganism-plant combined ecological treatment system and application
ActiveCN106145518AIncrease dissolved oxygenPurification lastsTreatment using aerobic processesMultistage water/sewage treatmentSludgeTreatment system
The invention belongs to the field of sewage treatment, and particularly relates to an immobilized microorganism-plant combined ecological treatment system and application. The system comprises a slow flow settling region and at least one purification region in sequential arrangement, wherein the purification region consists of a broad-crested weir and an immobilized microorganism packing pool; the front part of the broad-crested weir is connected with the slow flow settling region; the back end of the broad-crested weir is connected with the immobilized microorganism packing pool; the width of the slow flow settling region is identical to that of the bottom surface of a riverway; the bottom surface of the slow flow settling region is lower than the river bottom; the broad-crested weir is higher than the river bottom; the bottom surface of the immobilized microorganism packing pool is lower than the river bottom; three layers of packing of immobilized microorganisms are arranged in the immobilized microorganism packing pool; the packing sequentially includes a gradation cobblestone layer, a water supply sludge particle layer and a submerged plant planting region from bottom to top; rich nutritive salt and inorganic salt such as total phosphorus and ammonia nitrogen in a black and odorous water body can be continuously and efficiently removed; various contaminants can be treated; high applicability and continuity are realized; the water pollution treatment cost is reduced.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP
Separation and purification device for microplastics in marine sediments and using method
PendingCN109540641AEasy to suspendGood suspensionPreparing sample for investigationPlastic recyclingEngineeringBottle
The invention discloses a separation and purification device for microplastics in marine sediments and a using method. The device consists of a separation portion of microplastics and a purification portion of microplastics. The separation portion of microplastics comprises a density liquid bottle, a chassis, a separable partition, a first switch, a stirrer, a first scraper, a first conduit, and asecond switch. The top of the density liquid bottle is provided with a branch opening. The density liquid bottle is provided with the separable partition at one third of the bottom. The separable partition has a switch, so that the partition is separated from the center, and a centrifuge and the dense sediment and the like can sink. The bottom of the density liquid bottle is provided with the chassis and the stirrer. The scraper is placed in the density liquid bottle, and the bottom of the scraper is parallel to the top end of the density liquid bottle. The first conduit having a switch is connected to the branch opening. The device has high efficiency in separating and purifying microplastics, and has simple structure and easy disassembly, which is convenient for mounting and maintenance.
Owner:SOUTH CHINA UNIV OF TECH +1
Polymer purifying method and facility, solution film forming method and facility, and flocculent and granular deposited polymer
ActiveCN103588884AImprove utilization efficiencySpeed up evaporationOrganic chemistryOrganic compound preparationSolubilityCellulose
The invention relates to a polymer purifying method and facility, a solution film forming method and facility, and a flocculent and granular deposited polymer. In a dissolving box, a raw material of acylation cellulose (CA) is dissolved in methylene dichloride to form a thin stoste with 7% polymer concentration. The thin stoste is filtered by a filter. Hot water heated to be hotter above a boiling point of methylene dichloride is put in a separator. The thin stoste is sprayed on the hot water inside the separator via a first nozzle. Methylene dichloride of the thin stoste contacted with the hot water evaporates, and then acylation cellulose is separated. The acylation cellulose (CA) is separated from the water, and hot water contained in the cellulose is extruded out. Then, the separated acylation cellulose is dried by a vibration dryer. The acylation cellulose is obtained through the thin stoste dissolved in a solution, so the separated acylation cellulose with excellent dissolvability through utilization of a solution can be obtained.
Owner:FUJIFILM CORP
Method for purifying epigallo catechin gallate (EGCG)
ActiveCN102276570BPurification scalePurified and robustOrganic chemistryChromatographic separationPhenolic content in tea
Owner:UNIV OF SCI & TECH LIAONING
Bottom floating mud dosing aeration device
ActiveCN108751394AImprove reoxygenation efficiencyImprove decontamination abilityTreatment using aerobic processesSustainable biological treatmentNitrogenEnvironmental engineering
The invention relates to the field of treatment of a black and odorous water body, in particular to a bottom floating mud dosing aeration device. The bottom floating mud dosing aeration device comprises a main body support with adjustable height, the main body support comprises a supporting rack, an aeration part and a dosing part are arranged on the supporting rack, a first connection part on themain body support is communicated with the aeration part and an exterior aeration pipe, and a second connection part on the main body support is communicated between the dosing part and an exterior dosing pipe. By the adoption of the scheme, release of nitrogen and phosphorous nutritive salt and various pollutants in the bottom mud can be inhibited in the treatment process of the black and odorous water body, and the reoxygenation efficiency of the water body is improved.
Owner:佛山市石中人生物科技有限公司
Method for purifying sea animal cultivation sewage
InactiveCN101100336AGood effectWide range of applicationsBiological water/sewage treatmentReclaimed waterDisease
This invention relates a method for purifying waste-water from marine animals culturing farm. The procedures are: collecting sponge from mesolittoral zone in the sea, being adhered on solid attachment, temporary culturing in running water, finally said sponge together with the solid attachment is placed in the water of marine animals culturing farm, or the effluent from the farm. Due to the continuous filter-feeding of organism by said sponge, the waste-water is purified. This inventive method has advantages of: dropped incidence of diseases of cultured marine animals, increasing yield of products, improving the quality of the products, continuous purification, no use of chemicals, achieving economic benefit, safety and environmental-protection.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
U-shaped foam dust removal device of biomass gas-making furnace and dust removal method of U-shaped foam dust removal device
ActiveCN104673402AReduce dust removal costsGuaranteed dust removal effectCombination devicesCombustible gas productionBiomassFlue gas
The invention discloses a U-shaped foam dust removal device of a biomass gas-making furnace and a dust removal method of the U-shaped foam dust removal device. The U-shaped foam dust removal device comprises a flue gas pipe and a draught fan, wherein a U-shaped foam dust removal pipe is arranged between a flue gas inlet and a flue gas outlet; a foam nozzle which is communicated with a first foam pipe is arranged at one end, close to the flue gas inlet, of the U-shaped foam dust removal pipe; one end, close to the flue gas outlet, of the U-shaped foam dust removal pipe is communicated with a foam outlet of a second foam pipe; a foam box for accumulating foam is arranged between the first foam pipe and the second foam pipe; the bottom of the U-shaped foam dust removal pipe is communicated with a dust accumulation pipe; a knife-type valve with an upper flange and a lower flange is arranged at the bottom of the dust accumulation pipe; a filter net round frame is arranged at the lower end, located at the foam outlet, of the U-shaped foam dust removal pipe; and a dustproof breathable membrane round frame is arranged at the upper end, located at the foam outlet, of the U-shaped foam dust removal pipe. The U-shaped foam dust removal device is suitable for dust removal of the biomass gas-making furnace, and the efficient and lasting dust removal effect can be reached.
Owner:桐乡金橙云智科技有限公司
Advanced air oxidation purification apparatus and spiral division disc thereof
ActiveCN103223293AAchieve purificationQuick responseDispersed particle separationRadiationElectric machineryUniform rotation
The present invention provides an advanced air oxidation purification apparatus and a spiral division disc thereof. The advanced air oxidation purification apparatus comprises a draft tube, a motor and at least a spiral division disc, wherein the spiral division disc is fixed on an output shaft of the motor, the output shaft of the motor coincides with a center shaft of the draft tube, the motor is supported in the draft tube through a motor bracket, and is provided for driving the spiral division disc to rotate at a uniform speed along the center shaft of the draft tube and driving air to enter the draft tube, the spiral division disc comprises a plurality of micro fan blades arranged along a radial direction of the spiral division disc, the micro fan blades comprise a plurality of first projections and second projections, and the first projections and the second projections are aligned in a continuous and staggered manner, and respectively project toward both sides of the spiral division disc, such that the air is subjected to a photocatalytic advanced oxidation reaction on the surface of the spiral division disc so as to be purified. The purification apparatus has characteristics of rapid reaction, simple structure, no secondary pollution, continuous purification treatment, and zero wind resistance.
Owner:林蒙 +2
No-discharge sewage treatment system
ActiveCN103466907AMaintain water absorption capacityMaintain balanceMultistage water/sewage treatmentFiltrationSlag
The invention relates to the field of a sewage treatment system, particularly a no-discharge sewage treatment system which has the advantages of high cleanness, environmental protection and low operating cost. The no-discharge sewage treatment system comprises a pretreatment device, a precise water filtration device and a soil purification device, wherein the pretreatment device comprises a corrosion chamber and a pre-filtration chamber; the pre-filtration chamber is provided with a feed port and a discharge port; the corrosion chamber is communicated with the feed port of the pre-filtration chamber; the pre-filtration chamber is filled with a filter material; the precise water filtration device comprises a water covering tank and a water collection pipe; the water covering tank is provided with a water inlet and a water outlet; the water inlet is communicated with the discharge port of the pre-filtration chamber; the water collection pipe is provided with a water outlet section, designed in a groove structure, and communicated with the water outlet; the soil purification device comprises a soil filtration component and a water distribution fabric; the soil filtration component is composed of air-permeable soil, including volcanic rock ash and / or steelmaking furnace slag; the soil filtration component is arranged on the upper side of the water collection pipe; and one end of the water distribution fabric is arranged in the water covering tank, and the other end is arranged in the soil filtration component.
Owner:INNER MONGOLIA RIQINGYUAN ENVIRONMENTAL PROTECTION TECH
Method for extracting stevioside by employing simulated moving bed chromatography
InactiveCN111153944AObvious beneficial effectReduce dosageSugar derivativesSugar derivatives preparationRotary evaporatorSimulated moving bed
A method for extracting stevioside by employing the simulated moving bed chromatography comprises the following steps of (1) performing leaf treatment; (2) distilling and concentrating crude extract;(3) separating the stevioside from the concentrated crude extract of the stevioside by using the simulated moving bed chromatography; and (4) concentrating extract liquid and raffinate with a film rotary evaporator until no alcohol smell is left, and performing washout with ethanol, and then, performing drying in a vacuum drying oven until weight is constant. According to the method for extractingthe stevioside by employing the simulated moving bed chromatography, the content of total glycosides is higher than 97%, the content of the stevioside A is higher than 70%, and the purification effect is obvious.
Owner:内蒙古昶辉生物科技股份有限公司
Biomass gas making furnace dedusting apparatus and dedusting method thereof
InactiveCN105779004AEfficient dust removalContinuous dust removal effectCombination devicesCombustible gas productionWater storageFiltration
The invention discloses a biomass gas making furnace dedusting apparatus and a dedusting method thereof. The biomass gas making furnace dedusting apparatus is characterized in that the spray nozzle of a spray head is upward, the upper end of the spray head is provided with a cylindrical latticed water storage frame, and the cylindrical latticed water storage frame is formed through closed wrapping of an upper dustproof and waterproof breathable film and a lower dustproof and waterproof breathable film, and is full of clear water; and the cylindrical latticed water storage frame is fixedly arranged in a dedusting tube through a lower flange and an upper flange. The method comprises the following steps: opening a ball valve, and upward spraying 65-90DEG C hot water to the end surface of the lower end of the cylindrical latticed water storage frame in a mist manner from the spray head. The apparatus and the method are suitable for dedusting of biomass gas making furnaces, and realize efficient and continuous dedusting effects through filtration of the cylindrical latticed water storage frame and water mist treatment.
Owner:罗福仲
A method for extracting steviol glycosides in stevia rebaudiana by simulated moving bed chromatography
ActiveCN106749448BLarge-scale purificationContinuous purificationSugar derivativesSugar derivatives preparationPurification methodsSeparation technology
The invention provides a method for extracting steviol glycosides in stevia rebaudiana by simulated moving bed chromatography, which belongs to the purification method of natural plant effective components. In the process of extracting steviol glycosides, column chromatography purification is a key step, but the amount of resin is large, the utilization rate is low, the regeneration cycle is long, and a large amount of waste water is generated, most of which are batch operations. The SMBC separation technology using C18 as the stationary phase in the present invention can purify steviol glycosides from stevioside crude extracts in a large-scale, robust, continuous, automatic and efficient manner, and the stationary phase and mobile phase can be used repeatedly, reducing the cost of purification and belonging to green Environmentally friendly separation process. Combining water leaching and chromatographic impurity removal, water consumption and energy consumption are reduced, flocculation and impurity removal are not required, stationary phase does not need special regeneration, waste water discharge is reduced, and the process is simple.
Owner:UNIV OF SCI & TECH LIAONING
Vacuum distillation device for indium and distillation method thereof
ActiveCN113368522AContinuous purificationImprove the purification effectVacuum distillation separationProcess efficiency improvementProcess engineeringIndium
The invention discloses a vacuum distillation device for indium and a distillation method thereof, and belongs to the field of metal purification. The device comprises an upper vacuum chamber, a container and a riser tube, a crucible and an upper heating device used for heating the crucible are arranged in the upper vacuum chamber, an upper condensing device is arranged at the upper end in the crucible, the container is arranged below the upper vacuum chamber and provided with an air inlet, the air inlet is externally connected with an air inlet device, the lower end face of the crucible is a conical surface, and two ends of the riser tube are respectively communicated with the crucible and the container. According to the method, the distillation device is adopted, the metal indium liquid can be continuously and efficiently purified, and the indium purification efficiency is improved.
Owner:SHANGHAI UNIV +1
Convenient-to-replace air conditioning system for new energy vehicle
ActiveCN108819674AEasy to insertEasy-to-change air conditioning system snaps in easily with a push mechanismAir-treating devicesNew energyRespiratory health
The invention relates to a convenient-to-replace air conditioning system for a new energy vehicle. The air conditioning system comprises a housing, a blower, an evaporator, an outlet pipe, an insertion mechanism, a sealing plate and a replacement chamber. The housing is provided with an inlet and an outlet. The replacement chamber is provided with a pushing-out mechanism. The shell is internally provided with a PLC, a magnet, a mesh plate, two filter elements and two placing mechanisms. The insertion mechanism comprises a baffle, a sliding plate, two sliding rails, two hinge units, a pluralityof insertion rods and a plurality of insertion rings. The pushing-out mechanism comprises a lifting assembly, a lifting plate, a vertical plate, a telescopic assembly and a push plate. According to the convenient-to-replace air conditioning system for the new energy vehicle, the filter elements that absorb too much can be conveniently pushed out of the housing by the pushing-out mechanism, the unused filter elements can be put into use by the placing mechanisms to ensure the respiratory health of passengers, moreover, the filter element can be conveniently inserted into the housing by the insertion mechanism for standby, thereby facilitating continuous air purification and improving the practicability of the equipment.
Owner:SHANDONG KANGBAO AUTOMOTIVE PARTS CO LTD
A method for purifying citrus glycosides
ActiveCN106518940BGuaranteed uptimeHigh puritySugar derivativesSugar derivatives preparationBiotechnologyStationary phase
The invention provides a method for purifying citrus glycosides, which belongs to the technical field of purification of natural plant monomers. In the method, firstly, the maggotin is extracted with an aqueous ethanol solution to obtain a crude extract of the maggot, and then three-band simulated moving bed chromatography is used to separate and purify the citrus in the crude extract of the citrus to obtain an extract of the citrus, and then the The extract is concentrated and crystallized to obtain high-purity citrusin. The method can purify citrus glycosides on a large scale and efficiently, and the simulated moving bed chromatographic separation process realizes robust, continuous and automatic operation, and the stationary phase and mobile phase can be used repeatedly, reducing the purification cost.
Owner:UNIV OF SCI & TECH LIAONING
Polymer purification method and equipment, solution membrane production method and equipment, and flocculent and granular polymer precipitation
ActiveCN103588884BImprove utilization efficiencySpeed up evaporationOrganic chemistryOrganic compound preparationCelluloseParticulates
The invention relates to a polymer purification method and equipment, a solution film-making method and equipment, and a flocculent and granular precipitated polymer. In the dissolution box, raw material cellulose acylate (raw material CA) was dissolved in methylene chloride to prepare a thin stock solution having a polymer concentration of 7% by mass. Filter the thin stock solution through a filter. Hot water heated and kept above the boiling point of dichloromethane was put into the precipitator. Sprinkle the dilute stock solution from the first nozzle toward the hot water surface in the precipitator. Dichloromethane in the dilute stock solution in contact with hot water evaporates, and cellulose acylate is precipitated. This precipitated cellulose acylate (precipitated CA) was taken out from the water surface, and the contained hot water was squeezed. Thereafter, the precipitated cellulose acylate was dried with a vibration dryer. Since the precipitated cellulose acylate is obtained from the dilute stock solution once dissolved in the solvent, the precipitated cellulose acylate excellent in solubility by the solvent can be obtained.
Owner:FUJIFILM CORP
High-capacity mobile heat source and operation method thereof
The invention relates to a high-capacity mobile heat source and an operation method thereof. The high-capacity mobile heat source comprises a boiler container in which a D shaped hearth is arranged, wherein a burner is arranged on the front wall of the D type hearth; the D type hearth is connected to an upper boiler barrel through a film type water cooling wall pipe, and the water cooling wall pipe is connected to a lower boiler barrel through a convection pipe bundle; the lower boiler barrel is connected to a water outlet pipeline which is used for conveying hot water to a heat end; an economizer container is mounted at the upper part of the boiler container; a top smoke channel of which one end communicates with a smoke outlet of the D type hearth is mounted in the economizer container;an economizer is mounted in the top smoke channel, and the other end of the top smoke channel is connected to a chimney; the economizer is correspondingly connected to a water returning pipeline and the upper boiler barrel; the top smoke channel is connected to one end of a recycling smoke channel, and the other end of the recycling smoke channel is connected to a burner; an air mixer is connectedto one side of the recycling smoke channel; a silencer and an air throttling valve are sequentially mounted at the upper part of the air mixer; and an air heater is connected to the upper part of theair throttling valve through a pipeline. The high-capacity mobile heat source is energy saving, environmentally friendly, high in efficiency, and convenient to use.
Owner:上海工业锅炉(无锡)有限公司
Automobile tail gas pretreatment receiving pipe
ActiveCN112177716AReduce the temperatureAvoid harmExhaust apparatusSilencing apparatusEngineeringMuffler
The invention discloses an automobile tail gas pretreatment receiving pipe. The automobile tail gas pretreatment receiving pipe comprises a tail gas receiving pipe body, and a sliding groove is formedin the side wall of the tail gas receiving pipe body. A sliding plug is connected into the sliding groove in a sealed and sliding mode, and a driving device for driving the sliding plug to move backand forth is arranged in the sliding groove. An exhaust hole is formed in the inner bottom of the sliding groove. A telescopic air bag is fixedly connected to the side wall of the sliding plug, a one-way liquid discharging pipe and a one-way liquid returning pipe which communicate with the telescopic air bag are fixedly connected to the tail gas receiving pipe body, and a liquid storage barrel jointly communicates with the position between the one-way liquid discharging pipe and the one-way liquid returning pipe. By the arrangement of the driving device, the driving device is operated throughkinetic energy generated during tail gas emission, so that the sliding plug is driven to move back and forth in the sliding groove, and cooling liquid can circularly flow in one direction along the pipe. Therefore, the temperature of tail gas is reduced, and damage caused by high temperature to a purifier or a silencer is avoided.
Owner:绍兴市魏达机械有限公司
Underbalanced drilling method and system for coalbed methane
ActiveCN103993827BGuaranteed cleanlinessGuaranteed purification effectFlushingDrilling machines and methodsWell drillingBottom pressure
The invention discloses an underbalance drilling method and system for coal bed gas. The method comprises the following steps that an intermediate casing is lowered in, and a gas injecting pipe and a liquid injecting pipe which are communicated with the interior of the intermediate casing are arranged on the outer portion of the intermediate casing; after a destination layer is entered and after underbalance is established through the gas injecting pipe, a drilling pump and a gas pump set working continually; when one single drill pipe or drilling stand column is drilled and the preparation work of drilling a next single drill pipe or drilling stand column is carried out, the drilling pump is used for injecting and switching drilling liquid into the liquid injecting pipe; the preparation work of drilling the next single drill pipe or drilling stand column is completed, and the drilling pump is used for injecting and switching the drilling liquid into a drilling column. According to the underbalance drilling method and system, borehole purification is maintained in the drilling and non-drilling states, the occurrence of sand setting and drilling tool jamming accidents is effectively prevented, and even underbalance well bottom pressure can be maintained continually.
Owner:BEIJING ORION ENERGY TECH DEV
Heat insulation and preservation water pipe for bathroom
ActiveCN111706723AImprove thermal stabilityGood chemical stabilityThermal insulationTreatment involving filtrationFiberEngineering
The invention discloses a heat insulation and preservation water pipe for a bathroom, and belongs to the technical field of water pipes. The heat insulation and preservation water pipe for the bathroom comprises a metal pipe, a water purifying filter core is arranged in the metal pipe, and the metal pipe is sleeved with a heat insulation and preservation pipe. The heat insulation and preservationpipe is made from a 1-ene butyl-3-methylimidazole dibutyl phosphate ion liquid modified straw fiber composite, and the 1-ene butyl-3-methylimidazole dibutyl phosphate ion liquid modified straw fiber composite is prepared from, by weight part, 15-20 parts of 1-ene butyl-3-methylimidazole, 15-20 parts of dibutyl phosphate, 50-60 parts of crop straw, 10-15 parts of a silane coupling agent, 0.05-0.15part of a cross-linking agent and 0.05-0.15 part of a radical initiator; by means of the water pipe, heat loss of hot water from a water heater to a water outlet is reduced, a user cannot be scalded in the bathing process, and safety is improved; the heat insulation and preservation pipe is resistant to flames, waterproof and resistant to high temperature and corrosion, the use time in a muggy andhumid environment is long, the replacement cost is reduced, no toxic and harmful substance is decomposed out during use, and the human body cannot be harmed.
Owner:ZHEJIANG WISE ELECTRICAL APPLIANCES CO LTD +1
A river ecological restoration system and restoration method
ActiveCN112661273BHyperactive stateIncrease contentWater resource protectionBiological water/sewage treatmentMicroorganismPlant roots
Owner:北京青乔园林绿化有限公司
No-discharge sewage treatment system
ActiveCN103466907BMaintain water absorption capacityMaintain balanceMultistage water/sewage treatmentFiltrationSlag
The invention relates to the field of a sewage treatment system, particularly a no-discharge sewage treatment system which has the advantages of high cleanness, environmental protection and low operating cost. The no-discharge sewage treatment system comprises a pretreatment device, a precise water filtration device and a soil purification device, wherein the pretreatment device comprises a corrosion chamber and a pre-filtration chamber; the pre-filtration chamber is provided with a feed port and a discharge port; the corrosion chamber is communicated with the feed port of the pre-filtration chamber; the pre-filtration chamber is filled with a filter material; the precise water filtration device comprises a water covering tank and a water collection pipe; the water covering tank is provided with a water inlet and a water outlet; the water inlet is communicated with the discharge port of the pre-filtration chamber; the water collection pipe is provided with a water outlet section, designed in a groove structure, and communicated with the water outlet; the soil purification device comprises a soil filtration component and a water distribution fabric; the soil filtration component is composed of air-permeable soil, including volcanic rock ash and / or steelmaking furnace slag; the soil filtration component is arranged on the upper side of the water collection pipe; and one end of the water distribution fabric is arranged in the water covering tank, and the other end is arranged in the soil filtration component.
Owner:INNER MONGOLIA RIQINGYUAN ENVIRONMENTAL PROTECTION TECH
An immobilized microorganism-plant combination ecological treatment system and its application
ActiveCN106145518BEasy to handleImprove applicabilityTreatment using aerobic processesMultistage water/sewage treatmentSludgeTreatment costs
The invention belongs to the field of sewage treatment, and particularly relates to an immobilized microorganism-plant combined ecological treatment system and application. The system comprises a slow flow settling region and at least one purification region in sequential arrangement, wherein the purification region consists of a broad-crested weir and an immobilized microorganism packing pool; the front part of the broad-crested weir is connected with the slow flow settling region; the back end of the broad-crested weir is connected with the immobilized microorganism packing pool; the width of the slow flow settling region is identical to that of the bottom surface of a riverway; the bottom surface of the slow flow settling region is lower than the river bottom; the broad-crested weir is higher than the river bottom; the bottom surface of the immobilized microorganism packing pool is lower than the river bottom; three layers of packing of immobilized microorganisms are arranged in the immobilized microorganism packing pool; the packing sequentially includes a gradation cobblestone layer, a water supply sludge particle layer and a submerged plant planting region from bottom to top; rich nutritive salt and inorganic salt such as total phosphorus and ammonia nitrogen in a black and odorous water body can be continuously and efficiently removed; various contaminants can be treated; high applicability and continuity are realized; the water pollution treatment cost is reduced.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP
Toothed plate electric field integration device and method of electrostatic industrial fan
InactiveCN114251773AGuaranteed normal operationReduce flow rateMechanical apparatusSpace heating and ventilation safety systemsEngineeringIndustrial fan
The toothed plate electric field integration device comprises a first toothed plate electric field integration mechanism and a second toothed plate electric field integration mechanism, and further comprises a first conduction piece arranged at the upper end of the first toothed plate electric field integration mechanism and a second conduction piece arranged at the upper end of the second toothed plate electric field integration mechanism. The industrial fan electrostatic adsorption purification device has the beneficial effects that dust blown out by an industrial fan can be subjected to alternate slow electrostatic adsorption purification treatment, the purification treatment is repeated, the electrostatic adsorption purification effect is good, the dust removal effect is good, the dust removal effect is good, the dust removal effect is good, and the dust removal effect is good. By means of the technical scheme, normal operation of the industrial fan can be guaranteed, meanwhile, by reducing the gas flow speed, the contact time of entering dust and the toothed plate electric field integrated piece is prolonged, the treatment effect is improved, comprehensive shutdown is not needed when a single piece is damaged, it is guaranteed that air is continuously purified when the industrial fan is normally used, timely finding and overhauling are convenient, and loss is reduced.
Owner:唐红光
Formaldehyde decomposing agent and preparation method thereof
PendingCN113750756ANon-irritatingContinuous cleaningGas treatmentDispersed particle separationBiotechnologyActive enzyme
The invention discloses a formaldehyde decomposing agent and a preparation method, wherein the formaldehyde decomposing agent comprises the following components in parts by weight: 10-15 parts of a scindapsus aureus rhizome extract, 8-10 parts of an apple extract, 2-5 parts of a plant active enzyme, 5-10 parts of potassium-sodium ion chelate, 1-5 parts of a surfactant, 1-2 parts of edible salt, 1-2 parts of dietary alkali and 50-60 parts of deionized water. The invention relates to the technical field of formaldehyde decomposition preparations. Compared with the prior art, the formaldehyde decomposing agent has the advantages of good continuous purification effect, no toxicity and no harm.
Owner:江苏文杰环保科技有限公司
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