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128results about How to "Long continuous running time" patented technology

Fluidized bed process and device for preparing methane by synthetic gas

InactiveCN101665395AExpand technical routeRemarkable ability to remove heatHydrocarbon from carbon oxidesChemical/physical processesChemical industryFluidized bed
The invention relates to fluidized bed process and device for preparing methane by a synthetic gas, belonging to the field of chemical industry technologies and equipment. The process comprises the following steps: adding catalyst and diluent into a fluidized bed reaction vessel; heating and reducing the catalyst; charging the synthetic gas into the fluidized bed reaction vessel; charging a cooling medium into a reaction vessel heat exchange component to remove reaction heat; separating to obtain a methane product; and selectively containing the online replacement of the catalyst according tothe service life of the catalyst. The fluidized bed device comprises a reaction vessel simplified body, a raw gas inlet, a gas distributor, a heat exchange component, an expanding section, a cyclone separator, a catalyst feed opening and a gas outlet and selectively comprises a catalyst recovering machine and a gas stripping machine, and the reaction vessel can be divided into at least two stages.The invention has the advantages of good heat removing ability, uniform bed layer temperature, online replacement of the catalyst, high conversion rate and selectivity, long continuous running time of the catalyst, and the like.
Owner:TSINGHUA UNIV

Integrated portable confocal opto-acoustic microscopy imaging device and method

The invention belongs to the technical field of microscopy imaging, and discloses an integrated portable confocal opto-acoustic microscopy imaging device and a method. The imaging device comprises an opto-acoustic excitation light source, an acousto-optical confocal opto-acoustic detector, a photodiode, a miniature X-Y two-dimensional galvanometer, a spectroscope, a lens, a sample table, a double-channel parallel acquisition card and a computer with acquisition control software and two-dimensional galvanometer control software. The method includes steps that after the direction of laser light emitted from the opto-acoustic excitation light source is changed via the miniature X-Y two-dimensional galvanometer, the laser light is focused by the balsaming lens and irradiates on samples to excite opto-acoustic signals, the opto-acoustic signals are received by the acousto-optical confocal opto-acoustic detector, the incident angle of a light beam is continuously changed by the two-dimensional galvanometer so that the samples are scanned, and finally, an opto-acoustic image is rebuilt by maximum projection algorithm. A micro-chip laser device and the miniature X-Y two-dimensional galvanometer are integrated to form the portable confocal opto-acoustic microscopy imaging device, mobility is good, imaging speed is fast, and resolution ratio and contrast ratio are high.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Apparatus and process for producing acetylene by plasma pyrolysis of coal and natural gas

Production of ethyne by coal and natural gas plasma pyrolyzation and its apparatus are disclosed. It is produced by spraying plasma, buggy steam current and natural gas protective gas in plasma reactor, reacting and generating mixed ethyne gas, cooling, separating, storing ethyne, passing gas into plasma generator and reutilizing, sprayed natural gas forming gas protective layer on plasma reactor wall to prevent carbon fragment from coking, and pyrolytic reacting to obtain mixed ethyne gas. It achieves high converting efficient and reacting efficient.
Owner:TAIYUAN UNIV OF TECH

Treatment method for garbage leachate membrane concentrated solution

InactiveCN104496079AEasy to handleOrganic matter such as humus that is easy to process and recover has been safely and effectivelyMultistage water/sewage treatmentExisting TreatmentReverse osmosis
The invention discloses a treatment method for a garbage leachate membrane concentrated solution. The treatment method comprises the following steps: feeding the garbage leachate membrane concentrated solution into a membrane separating device to remove degradation-resistant organic substances such as humic acid in the concentrated solution, mixing the outlet water of the concentrated solution with a reverse osmosis concentrated solution, then removing scaling ions such as Ca<2+> and Mg<2+> and other inorganic substances in the concentrated solution by softening, precipitating and filtering, introducing the outlet water into the reverse osmosis membrane to further concentrate, and realizing up-to-standard release of produced water; and finally, spraying back the concentrated water back to an incinerator for incineration, evaporative crystallization or outward processing. The treatment method can be used for realizing efficient treatment of the garbage leachate membrane concentrated solution, and has the advantages of being stable in operation, high in treatment efficiency, low in operation cost, convenient to maintain and manage, and the like in comparison with the existing treatment method for the garbage leachate membrane concentrated solution.
Owner:BEIJING SOUND ENVIRONMENTAL ENG +1

Ultrashort pulse microwave thermoacoustic imaging method and device

The invention discloses an ultrashort pulse microwave thermoacoustic imaging method and an ultrashort pulse microwave thermoacoustic imaging device. The device comprises an ultrashort pulse microwave generator, an ultrasonic detector and a data acquisition and image reconstruction device. The method comprises the following steps of: fixing an object to be detected in a coupling tank containing deionized water; making the ultrashort pulse microwave generator output ultrashort pulse microwaves under the control of a trigger circuit, making the ultrashort pulse microwaves uniformly irradiate theobject to be detected through a pulse transmitting antenna, and exciting to obtain thermoacoustic signals; and receiving the thermoacoustic signals by using the ultrasonic detector, making signals output by the trigger circuit trigger a data acquisition card to acquire the thermoacoustic signals, and recording and saving the thermoacoustic signals and reconstructing images by using a computer. The ultrashort pulse microwave generator with ns-level pulse width excites the thermoacoustic signals, the thermoacoustic signal exciting efficiency can be greatly improved, and a sample to be detected is subjected to high-resolution tomography. The device has high imaging resolution, simple structure and low cost, and is convenient to operate and easily promoted and applied in the field of nondestructive testing.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Crystallizer for hydrolyzing carnallite

ActiveCN103073030AIncrease contact areaSolve the problem of overflow from the upper part of the inner cylinder to the bottom of the crystallizer without sufficient mixing and decompositionAlkali metal halide formation shapeDecompositionChloride
The invention relates to a crystallizer for hydrolyzing carnallite. The crystallize comprises an inner cylinder, an outer cylinder, a mother solution distributor, a stirring paddle, a crystallizer cylinder body, a low-sodium carnallite inlet, a mother solution inlet, a decomposition liquid outlet and a product outlet. According to the crystallizer, the remaining time of low-sodium carnallite in a dissolving region can be prolonged, and the problem that low-sodium carnallite is not fully mixed and decomposed and then overflows to the bottom of the crystallizer from the upper part of the inner cylinder in the existing crystallizer is solved; and generated potassium chloride particles can grow above 0.2mm in particle size to ensure that solid potassium chloride is easily dewatered and dried, and washing water and heat energy required by drying are saved.
Owner:ЦИНХАЙ СОЛТ ЛЕЙК ИНДАСТРИ ГРУП КО ЛТД

Solar energy and biomass complementary combined cycle power generating system capable of continuously running all day

ActiveCN104895675AEfficient use ofContinuous operation throughout the daySolar heating energySolar heat devicesCombustion chamberLiquid fuel
The invention discloses a solar energy and biomass complementary combined cycle power generating system capable of continuously running all day. Under the adequate light condition, the system directly utilizes high-temperature concentrating solar energy for completing the gasification reaction of solid hydrocarbon fuel by means of a high-temperature rotating type solar energy gasification reactor, and generated synthesis gas is purified and then is conveyed to a combustion chamber of the gas-steam combined cycle power generating system to generate powder; when the light condition is inadequate, the system utilizes a pyrolysis reactor and utilizes high-temperature molten salt storage solar energy for driving the solid hydrocarbon fuel for the pyrolytic reaction, and an atomizer is utilized for atomizing liquid fuel; and the atomized liquid fuel is conveyed to the combustion chamber of the gas-steam combined cycle system for power generation. The requirement that the solar energy is utilized for continuously converting the solid hydrocarbon fuel into the excellent fuel capable of being used by the gas-steam combined cycle system all day, and meanwhile, the system also can be suitable for other kinds of hydrocarbon solid hydrocarbon fuel like coal.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Slurry bubble column technology for preparing ethylene through acetylene hydrogenation and device thereof

Provided are slurry bubble column technology for preparing ethylene through acetylene hydrogenation and a device thereof. The slurry bubble column technology includes adding water and then catalyst into a reactor, filling inert gases for replacing, heating, leading gas mixture of acetylene and hydrogen to enter in the reactor for reacting from the bottom of the reactor through a gas distributor, finally exhausting reaction products and unreacted feed gases from the top of the reactor, and separating to obtain the ethylene. The unreacted feed gases and the feed gases are mixed and then enter the reactor again for reacting. The reactor comprises a reaction gas inlet at the bottom, the gas distributor and a material liquid exhaust port, a reactor barrel body is arranged on an expended section on the upper portion of a slurry bubble column reactor, and a catalyst feeding port and a gas outlet are arranged at the top of the reactor. The slurry bubble column for preparing the ethylene through the acetylene hydrogenation is simple in structure, overcomes the phenomenon of temperature runaway in a fixed bed reactor and improves the conversion rate and selectivity of the reaction, and the operation is easy to control.
Owner:TAIYUAN UNIV OF TECH

Microporous gas distributor of ceramic membrane

The invention relates to a microporous gas distributor, which comprises a shell (1), wherein the shell (1) is provided with a gas inlet (5), a liquid inlet (6) and a liquid outlet (7); a ceramic membrane element (2) is arranged in the shell (1), one end of the ceramic membrane element (2) is opened, the other end of the ceramic membrane element (2) is sealed with epoxy resin, and the opening ends of the gas inlet (5) and the ceramic membrane element (2) are communicated. According to the invention, by the micropore properties of membrane material, gas enters from the opening end of the ceramic membrane element and is discharged from the micropores of a side wall so as to make bubbles fine and uniform, and liquid moves from the liquid inlet to the liquid outlet so as to make the bubbles diffused in the ceramic membrane element fully contacted with the liquid in the shell. The gas and liquid mass transfer efficiency is improved, a ceramic membrane has the characteristics of high temperature resistance, high pressure resistance, acid-base resistance and the like and can be used for a long time in various solutions, the continuous operation time is long, the operation is stable, and the operation cost is reduced.
Owner:JIANGSU JIUWU HITECH

System and method for purifying sewage by powdered active carbon

The invention discloses a system and a method for purifying sewage by powdered active carbon. The system comprises a carbon adding device, a mixing treatment device, a carbon-water separation device, a backwashing device, a control system and a power supply module. The method comprises the following steps: sufficiently mixing the powdered active carbon with the sewage and feeding a mixture into the carbon-water separation device by a feeding pump to be subjected to carbon-water separation; then detecting a water inlet and outlet pressure difference of the carbon-water separation device according to a pressure controller; automatically starting the backwashing device to carry out backwashing on a hollow micro-pore filtering pipe; and finally, closing the backwashing device and opening a coal slurry outlet solenoid valve; discharging the coal slurry; and activating after dehydrating and drying. The system and the method disclosed by the invention can be used for purifying the sewage by using the powdered active carbon; equipment is simple and easy to operate and low in operation cost; the separated powdered active carbon is intensively recycled; the continuous operation time of the equipment is long, the backwashing time is short and the efficiency is high.
Owner:HUBEI JUNJI WATER TREATMENT

Plasma coal gasifying process and device

The present invention discloses a coal gasifying plasma process and apparatus. After work gas is sprayed into plasma generator and the power supply is applied to produce plasma field, synthetic gas and preheated coal powder are sprayed into the plasma generator for reaction to generate mixed gas; the mixed gas is made to pass through water-gas heat exchanger and enter the gas-solid separator to separate coal ash falling into coal ash tank and synthetic gas entering the bag-type dust collector for further separation; of the separated synthetic gas, great amount is output as the product while part is fed to coal powder pipe and synthetic gas pipe; and plasma generator electrode cooling water is fed to the preheater before being synthesized into steam sprayed to inner wall of the plasma generator to avoid coking. The present invention has reasonable technological process, compact structure, no environmental pollution, long continuous running time, high coal gasifying rate and high efficiency.
Owner:TAIYUAN UNIV OF TECH

Fine particle preparation device using supercritical fluid quick expansion

Disclosed is an apparatus for preparing fine particles through rapid expansion of supercritical fluids, which is composed of a CO2 solvent bottle, a condensation compressor, a solvent storage tank, a high pressure pump, an extraction kettle, a nozzle, a crystallization kettle, an exhaust and collection device and a plurality of regulating and controlling valves. The apparatus adopts the connection and operation according to the following process: a CO2 solvent enters the condensation compressor from the CO2 solvent bottle by passing through a switch valve V1 and then is output to the solvent storage tank after being cooled, then is output to the high pressure pump for compression and then output to the extraction kettle through a regulating valve V2 to extract (or dissolve) materials in a material container of the extraction kettle, thereby forming a supercritical fluid which is then sprayed into the crystallization kettle via the nozzle by passing through a nozzle control valve V3, the solute in the fluid is separated out in the form of ultrafine particles after decompression expansion, and the solvent is discharged to the air via the exhaust and collection device by passing through an exhaust control valve V5. The apparatus overcomes a plurality of defects of the existing decompression expansion device, and can properly meet the requirements on process quality of the rapid expansion of supercritical solutions (RESS).
Owner:ZHUJIANG HOSPITAL SOUTHERN MEDICAL UNIV

Air conditioner control system based on biological signal and control method of air conditioner control system

The invention relates to an air conditioner control system based on biological signals and a control method of the air conditioner control system. The air conditioner control system based on biological signals comprises an air conditioner main body. The air conditioner main body comprises a wireless receiving module, a signal analysis engine module and an air conditioner control unit. The wireless receiving module is used for receiving the biological signals coming from a wireless transmitting module and transmitting the biological signals to the signal analysis engine module. The wireless transmitting module is used for receiving the biological signals of a biological signal control module and transmitting the biological signals to the wireless receiving module. The biological signal control module is used for adjusting the biological signals of a biological sensor and transmitting the biological signals to the wireless transmitting module. The biological sensor is used for detecting a plurality of biological signals and providing the biological signals to the biological signal control module. The signal analysis engine module is used for classifying, extracting and analyzing the biological signals, generating air conditioner state adjustment request commands according to a predetermined conversion method and a predetermined conversion protocol and transmitting the air conditioner state adjustment request commands to the air conditioner control unit. The air conditioner control system based on the biological signals and the control method of the air conditioner control system have the characteristics of high operation flexibility and good comfort.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Integrated photoacoustic mammary gland imaging detection device and method based on optical fiber beam splitting and flexible detector

ActiveCN106175677ASeamless fitSolve the problem of ultrasonic couplingDiagnostic recording/measuringSensorsBeam splittingImage detection
The invention relates to an integrated photoacoustic mammary gland imaging detection device based on optical fiber beam splitting and a flexible detector. The integrated photoacoustic mammary gland imaging detection device comprises the detector and further comprises an optical fiber bundle, wherein the optical fiber bundle divides a laser beam into multiple laser beams, the detector is the flexible detector, the flexible detector comprises a flexible substrate which is deformable in a bent mode, but is not deformable in a tensile mode and fits with the surface shape of the mammary gland, and multiple array elements evenly distributed on the flexible substrate and receiving ultrasonic signals reflected by the mammary gland. The multiple ends, corresponding to the multiple laser beams, of the optical fiber bundle are coupled with the flexible substrate and are evenly distributed on the flexible substrate, and accordingly the laser light can penetrate through the flexible substrate to be irradiated onto the mammary gland. The invention further relates to an integrated photoacoustic mammary gland imaging detection method based on optical fiber beam splitting and the flexible detector. Large-area uniform photoacoustic imaging can be achieved, seamless fitting with the mammary gland to be detected is achieved, and the integrated photoacoustic mammary gland imaging detection device and the integrated photoacoustic mammary gland imaging detection method are especially suitable for breast cancer detection and belong to the technical field of photoacoustic imaging.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Close-contact ultrasonic coupling adaptive device for photoacoustic/thermoacoustic mammary gland imaging detection, and detection method of adaptive device

The invention relates to a close-contact ultrasonic coupling adaptive device for photoacoustic / thermoacoustic mammary gland imaging detection, and belongs to the technical field of photoacoustic / thermoacoustic imaging. The adaptive device comprises a detection cup, a coupling liquid spray device and an air pressure regulating device, wherein a to-be-detected breast is placed in the detection cup with the shape and the size corresponding to the breast; the coupling liquid spray device is connected with the detection cup, and can spray ultrasonic coupling liquid between the to-be-detected breast and the detection cup; and the air pressure regulating device is connected with the detection cup by an air guide tube, and inhales or deflates between the to-be-detected breast and the detection cup. The adaptive device has the advantages that the adaptive device is good in matching degree, safe, comfortable, easy to replace, and high in automation degree.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Microwave thermoacoustic early hepatoma detection device and method

The invention relates to a microwave thermoacoustic early hepatoma detection device and method. The device comprises a microwave trigger, a microwave generator, a transmitting antenna, an ultrasonic transducer, a data acquisition card and a computer connected successively. The microwave generator transmits pulsed microwaves to the liver of the detected human body through the transmitting antenna under the triggering of the microwave trigger, and ultrasonic signals are generated by utilizing thermoacoustic effects; and the ultrasonic transducer converts the ultrasonic signals into electric signals, transmits the electric signals to the data acquisition card and finally inputs into the computer for image reconstruction by using a filter back projection algorithm and an ultrasonic processingtechnology. The detection device adopts a non-destructive detection technology and has the advantages of high contrast, high resolution, large visual field, easy adjustment and the like.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Staff metabolism simulation system for ground comprehensive tests of manned spacecraft

The invention discloses a staff metabolism simulation system for ground comprehensive tests of a manned spacecraft. The staff metabolism simulation system mainly comprises an oxygen concentration simulation unit, a carbon dioxide simulation unit, a nitrogen simulation unit and a humidity simulation unit. The staff metabolism simulation system is connected with a sealed cabin through pipelines, and air circulates between the staff metabolism simulation system and the sealed cabin of the manned spacecraft. According to an input simulation staff number and each staff metabolism mode, a control system calculates control targets of the heat production quantity, the humidity production quantity, the oxygen consumption quantity and the carbon dioxide increase quantity in combination with a metabolism based empirical formula, and controls a fan, a valve, a compressor, a molecular sieve, a flow controller, a pump and a heater so as to achieve the control targets through data such as temperatures, pressure, flow and oxygen concentration in an acquisition system according to preset control logic. Compared with staff metabolism simulation systems in prior art, the staff metabolism simulation system has the advantages that no staffs are required for participating in the tests, and capacities of a thermal control system and an environment control system are simultaneously assessed; and compared with tests with the staff, test systems constructed by the staff metabolism simulation system are safer, higher in flexibility, longer in continuous running time and fuller in product assessment, and do not occupy cabin volume.
Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG

Preparation method of onium hydroxide

The invention provides a preparation method of an onium hydroxide represented by formula I. The method comprises the following steps: sending an aqueous solution of onium salt represented by formula II into a bipolar membrane electrodialysis apparatus, and carrying out bipolar membrane electrodialysis to obtain an aqueous solution of the onium hydroxide represented by formula I, wherein a neutralizing liquid is sent into the acid chamber of the bipolar membrane electrodialysis apparatus, and contains a substance, and the substance and HX undergo an acid-base reaction. The preparation method of the onium hydroxide has the advantages of long continuous running time of the bipolar membrane electrodialysis apparatus, production cost reduction and production efficiency increase. The onium hydroxide prepared through the method has purity and good quality.
Owner:GUANGZHOU DAYOU FINE CHEM PLANT

Sampling and stirring integrated device for full-automatic biochemical anelyser

The invention relates to the sampling and the mixing device in the fully automatic biochemical analyzer which includes the angle cantilever device and the driving device. The angle cantilever device which includes the sampling arm, the mixing arm is fixed on the driving device by the locknut. One end of the sampling arm is set with the sampling needle holder and the sampling needle fixed in the lower end, the other end is connected to one end of the mixing arm by the connecting part, the other end of the mixing arm is set with the mixing needle rotary driving motor and the mixing needle fixed on the lower end. The sampling and mixing arms are drive by one set of driving device. The invention can not only shorten the working time but make the working table simple and improve the product technique layer / content.
Owner:南昌百特生物高新技术股份有限公司

Trichlorosilane synthesis gas dust removal method

The invention discloses a trichlorosilane synthesis gas dust removal method which comprises steps of coarse dust removal and wet spraying and also comprises the following steps of: (1) mixing waste residues obtained in the step of coarse dust removal and slag slurry obtained in the step of wet spraying to obtain mixed slag slurry; (2) separating chlorosilane from the mixed slag slurry to obtain a filter cake and the chlorosilane; and (3) carrying out hydrolytic treatment on the filter cake. According to the trichlorosilane synthesis gas dust removal method disclosed by the invention, the process flow is simplified; ; the waste residues which are obtained in the step of coarse dust removal of trichlorosilane synthesis gas and contain more coarse particle materials are effectively mixed with the slag slurry obtained in the step of wet spraying and the chlorosilane liquid in the mixed slag slurry is separated by using a liquid-solid filter; the solid-liquid separation is easier to carry out; the filtering accuracy is higher; the blockage of a pipeline and / or equipment, which is caused by the high-concentration slag slurry obtained after the chlorosilane is separated, is also avoided; and the trichlorosilane synthesis gas dust removal can be continuously and safety carried out.
Owner:SICHUAN XINGUANG SILICON TECH

Continuous production process and devices of milk drink containing cereal grains

The present invention discloses a continuous production process and devices of milk drink containing cereal grains. The devices include an aseptic tank, a heat exchange sterilization conveying pipeline, and a grain adding device. The devices are characterized in that: the grain adding device includes a plurality of precooking tanks, mixing tanks and quantitative putting mechanisms. Cereals are put into the precooking tanks, water washing, draining, precooking, and cooling are carried out, the precooked cereal grains are continuously and quantitatively added into the mixing tanks through the quantitative putting mechanisms from the precooking tanks, at the same time, milk or drink is injected into the mixing tanks to be stirred and mixed together, then the mixture is subjected to heat sterilization, the sterilized mixture is cooled, the cooled mixture is injected into the aseptic tank to be stored and stirred, and finally the finished products are obtained by filling. The existing sterilization machine and aseptic tank structures are utilized, which achieves the production of the drink containing cereal grains or milk, online adding and continuous automatic filling, avoids pipeline blockage, improves productivity and reduces production costs.
Owner:GEA PROCESS ENG ASIA LTD

Sodium hypochlorite generator

The invention relates to a NaClO generator which comprises an electronic control cabinet, an electrolytic device, a salt dissolving device and a NaClO storage tank. The NaClO generator is characterized in that the electronic control cabinet and the electrolytic device are electrically connected, an electrolytic cell is arranged in the electrolytic device, and water is introduced into the electrolytic device and the salt dissolving device respectively through pipelines; a lift pump is arranged between the salt dissolving device and the electrolytic device, an inlet end of the lift pump is communicated with the salt dissolving device through a pipeline, and an outlet end of the lift pump is communicated with the electrolytic device through a pipeline; and a NaClO outlet is arranged on the electrolytic device, and the NaClO outlet is connected with the NaClO storage tank through a pipeline. The invention solves the problems of complex equipment structure, high manufacturing cost, troublesome maintenance, short operation period and influenced long-term safe operation of equipment of a NaClO generator using a pipe type electrolytic pipe in the prior art. The NaClO generator has the advantages of simplified equipment structure, small occupied area and low operation cost, is convenient to maintain and can safely and reliably operate in complex environment for long term.
Owner:JIANGSU ZEYU ENVIRONMENTAL ENG

Ceramic film pretreatment method in desalination of sea water

InactiveCN1736905AImprove pretreatment effluent qualityReduce membrane pore foulingGeneral water supply conservationSeawater treatmentWater desalinationPretreatment method
The invention relates to sea water desalination method particular to ceramics ultrafiltration membrane pretreatment, which is characterized in that compressing sea water to 0.1-0.8MPa to enter the said membrane filter unit, retentioning the residue on inlet side, and the pretreatment water accords to require of reverse osmosis system. This method realizes the precise filter, reduces the treatment load, and can replace existing technique.
Owner:JIANGSU JIUWU HITECH

Combination system for treating landfill leachate and method for treating landfill leachate by using combination system

The invention discloses a combination system for treating landfill leachate and a method for treating landfill leachate by using the combination system. The combination system for treating the landfill leachate is formed by combining a solid-liquid separation system, an MVC (Mechanical Vapor Compression) evaporation system and a biological treatment system. When being treated, the landfill leachate firstly passes through the solid-liquid separation system to ensure that the contents of COD (Chemical Oxygen Demand), SS (Suspended Substances), colloids, grease and the like in a supernatant liquid are greatly reduced, so that the evaporation efficiency of the supernatant liquid entering the MVC evaporation system is greatly increased, the MVC blockage is avoided, the scaling is delayed to the maximum extent, and the scaling problem is easier to solve; meanwhile, the concentration of the COD in water evaporated by MVC is greatly reduced so that the subsequent biological treatment becomes simpler and easier. Therefore, the combined treatment process for the landfill leachate is very remarkable in synergistic effect and suitable for large-scale popularization.
Owner:广东云水谣环保科技有限公司

Vanadium removing system and method for crude titanium tetrachloride refining

InactiveCN104058451ALow in vanadiumFast vanadium removalTitanium halidesTetrachlorideBoiling point
The invention provides a vanadium removing system and a vanadium removing method for crude titanium tetrachloride refining. The vanadium removing system comprises a vanadium removing refining tower, a crude titanium tetrachloride storage tank, a titanium tetrachloride steam generation device, an organic matter vanadium-removing reagent adding device and a condenser, wherein a slurry outlet in the bottom of the refining tower is connected with a chlorination system or a residue vanadium-extracting system. The vanadium removing method comprises the following steps: removing vanadium by using an organic matter vanadium-removing reagent, discharging out precipitate generated in vanadium removing reaction and vanadium-containing slurry formed by high boiling point compounds generated in a refining procedure from a slurry outlet in the bottom of the refining tower, and directly conveying the vanadium-containing slurry into the chlorination system or the residue vanadium-extracting system without being fed back to the vanadium removing system. According to the vanadium removing system and the vanadium removing method, adverse effects of the vanadium-containing slurry on the vanadium removing system can be effectively avoided, and thus the vanadium removing system can operate continuously and is high in vanadium removing efficiency.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP

Hollow extracting micro-hole filtering element

The present invention is improved filter plate for solid-liquid separating drier. The improved filter plate is hydrophilic microporous plastic plate with average pore size of 0.2-1.5 microns, and forms the sucking filter element walls. It is superior to available ceramic plate, and has pore opening rate of about 60 %, 20-30 % higher production capacity, high toughness, high impact resistance, and acid and base resistance.
Owner:JIANGSU PROVINCE YIXING NONMETALLIC CHEM MACHINERY FACTORY

Circulating fluid bed waste incineration boiler with open-type furnace chamber

The invention relates to a circulating fluid bed waste incineration boiler with an open-type furnace chamber. The circulating fluid bed waste incineration boiler comprises the open-type furnace chamber, a cyclone separator, a cooling chamber and a tail convection flue which are connected with one another in turn, wherein the lower end of the cyclone separator is connected with an external heat exchanger, and the other end of the external heat exchanger is connected with the open-type furnace chamber; a high-temperature over-heater is arranged in the external heat exchanger; a plurality of air distribution tubes are arranged on the same horizontal plane equidistantly to form an open-type air distribution plate which is arranged at the bottom of the open-type furnace chamber; an ash hopper is connected below the open-type air distribution plate; a fuel ash valve is arranged below the ash hopper; the open-type air distribution plate separates the upper part of the open-type furnace chamber and the ash hopper; and the open-type air distribution plate consists of the plurality of air distribution tubes. The circulating fluid bed waste incineration boiler can successfully discharge materials which can be easily wound on an air cap, or large-particle or even blocky materials such as iron wires, iron nails and the like in wastes, can uniformly distribute air, is difficult to coke and clinker, and fulfills the aims of prolonging the continuous operation time of the waste incineration boiler and saving energy resources.
Owner:WUXI TAIHU BOILER

Vibrating high burn-out grate

This invention is a vibrating high burnout grate. The fire bar is fixed at the grate surface. The grate is suspended on the furnace wall through steel wire and can move a little backwards. The air chamber in vibration device provides driving force for grate to move. The anterior end of grate is material feeding opening. The posterior end is slag-off opening. The superior end is combustion chamber. The inferior end is air chamber. This invention has high combustion efficiency and long life span.
Owner:刘沪滨

Sieve plate-free fluidizing chlorination furnace

The invention discloses a sieve plate-free fluidizing chlorination furnace with the function of discharging slag from the upper part and the side of the fluidizing chlorination furnace. The fluidizing chlorination furnace is a tank body which adopts a steel structure and comprises an upper cylindrical cylinder body, a lower cylindrical cylinder body, an upper papilionaceous sealing head and a lower papilionaceous sealing head, wherein the diameter of the upper cylindrical cylinder body is different from that of the lower cylindrical cylinder body. A chlorine gas inlet chamber is arranged at the bottom of the fluidizing chlorination furnace; a material fluidizing section is arranged in the middle of the fluidizing chlorination furnace; a gas-solid separation section is arranged at the upper part of the fluidizing chlorination furnace. The chlorine inlet chamber and the material fluidizing section are lined with refractory bricks; the inner surface of the gas-solid separation section is covered with high-temperature-resistant anti-corrosive composite ceramic paint so as to prevent high-temperature chlorine gas from corroding the gas-solid separation section; a gas outlet is formed in the central position of the upper sealing head; fine-particle slag is discharged from the gas outlet along with airflow after chlorination reactions; a side slag discharge port is formed in the side wall of the upper part of the chlorine gas inlet chamber and used for discharging coarse-particle slag discontinuously; two layers of chlorine gas inlet pipes, which are designed specially, are arranged in the chlorine gas inlet chamber; each chlorine gas inlet pipe orifice is provided with a blowing block joint; the chlorine gas inlet pipes are inserted into the refractory brick layer and extend to the chamber of the fluidizing chlorination furnace; chlorine gas and blowing block airflow are prevented from impacting the refractory brick layer.
Owner:甘肃德通国钛金属有限公司 +1

High-temperature air combustion intensifying device and method applicable to low heating value mixed garbage

ActiveCN102878569AIncineration is stable enoughFully stable combustionIncinerator apparatusCombustion chamberSlag
The invention discloses a high-temperature air combustion intensifying device and method applicable to low heating value mixed garbage, wherein a low-temperature preheater is arranged on the rear side of a U-shaped tail part flue; a garbage feeding opening is arranged on the side wall of the lower part of a furnace chamber; the side wall of the upper part of the furnace chamber is connected with the upper part of a cyclone separator; the bottom part of the cyclone separator is connected with the upper end of a back feeder; the lower end of the back feeder is connected with the side wall of the lower part of the furnace chamber; the upper end of the cyclone separator is connected with the upper part of the front side of a U-shaped combustion chamber; the lower end of the U-shaped combustion chamber is connected with the side wall of the lower part of the furnace chamber; the lower end of the furnace chamber is connected with the side wall of the lower part of the furnace chamber through a water-cooled cold slag sorting and back feeding device; and the upper part of the rear side of the U-shaped combustion chamber is connected with the upper part of the front side of the U-shaped tail part flue. The method utilizing the high-temperature air to intensify the low heating value garbage mixed combustion is more suitable for the domestic characteristics that the garbage has complicated components, high moisture and low heating value, has wider fuel application range, and is more sufficient and stable in combustion, the garbage can be purely combusted without the need of coal, the energy consumption is reduced, and the operating economy is improved.
Owner:ZHEJIANG UNIV
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