CN109224754A - Volatile organic matter condensate recycling device and its recovery method based on macroreticular resin - Google Patents

Volatile organic matter condensate recycling device and its recovery method based on macroreticular resin Download PDF

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Publication number
CN109224754A
CN109224754A CN201811203081.XA CN201811203081A CN109224754A CN 109224754 A CN109224754 A CN 109224754A CN 201811203081 A CN201811203081 A CN 201811203081A CN 109224754 A CN109224754 A CN 109224754A
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China
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electromagnetism
valve
adsorption tanks
organic matter
volatile organic
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陈杰
叶志平
张幼忠
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Zhejiang University Environmental Engineering Co ltd
Hangzhou Dianzi University
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Zhejiang University Environmental Engineering Co ltd
Hangzhou Dianzi University
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Priority to CN201811203081.XA priority Critical patent/CN109224754A/en
Publication of CN109224754A publication Critical patent/CN109224754A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1493Selection of liquid materials for use as absorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407Constructional details of adsorbing systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2252/00Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10Inorganic absorbents
    • B01D2252/103Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/106Silica or silicates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20Organic adsorbents
    • B01D2253/202Polymeric adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/406Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses volatile organic matter condensate recycling devices and its recovery method based on macroreticular resin.As VOCs adsorbent, it is smaller that there are adsorption capacities for active carbon and zeolite molecular sieve, easy adsorption saturation, regenerates difficult problem.The present invention is based on the volatile organic matter condensate recycling devices of macroreticular resin, including gas adsorption modules, liquid separation loop module and vapor to provide device.Gas adsorption modules include capturing tower, dry filter and parallel macroporous resin adsorption tank.Parallel macroporous resin adsorption tank includes tank body, spray head and Multi-layer absorption component.Multi-layer absorption component includes the first grid being sequentially stacked from the bottom to top, the first separation strainer, the first macroreticular resin layer, the second grid, the second macropore resin layer, the second separation strainer, bright rock layers.Liquid separation loop module includes condenser, Gas and liquid flow diverter, Liquid liquid Separation device and fluid reservoir.Adsorption condensing of the present invention is high-efficient, adaptable, being capable of daily 24 continuous throughout the twenty-four hour24.

Description

Volatile organic matter condensate recycling device and its recovery method based on macroreticular resin
Technical field
The invention belongs to chemical industry exhaust-gas treatment recovery technology fields, and in particular to a kind of volatilization based on macroreticular resin Property organic matter condensate recycling device and its recovery method.
Background technique
Chemical industry VOCs (volatile organic compounds volatile organic matter) has the characteristics that following two: First is that the exhaust gas generated in production technology discharges, pollutant and chemical production technology process and process operating condition item in discharge gas Part is related, and type is more and nature difference is larger, and this discharge is organized, and discharge amount can be evaluated whether.Second is that passing through other links Volatilization generates, and the VOCS of generation due to that can pass through various multiple with very strong diffusivity and reactivity under certain condition Miscellaneous chemical reaction converts, and the discharge amount for the VOCs that such form generates can not accurately estimate that the analysis of generating source is also deposited In difficulty.Instantly two classes can be divided into the administering method of VOCS, one kind is recovery technology, and another kind of is degradation technique.Recycle skill The core concept of art is that the VOCs generated in chemical company is absorbed, filtered and separated first, next purify etc. Reason is finally unfolded resource recycling and is utilized, and traditional recovery technology includes: absorption techniques, adsorption technology and membrane separation technique etc.. Degradation technique is then to convert other nontoxic substances by different chemical reactions for VOCs and be discharged, reach the mesh of emission reduction 's.Traditional degradation technique refers mainly to combustion technology, and catalytic combustion technology and new technology developed in recent years include leakage The technologies such as detection and (LDAR) technology of reparation, plasma technique, biotechnology and photocatalysis.
High, the small feature of air quantity for chemical industry VCOs concentration, adsorption condensing recycling can not only effectively reduce VOCs row Concentration is put, while being also able to achieve raw material and recycling.Active carbon and zeolite molecular sieve as the VOCs adsorbent generally used, There are aperture smaller (< 2nm), specific surface area are relatively small, temperature tolerance is low (active carbon is no more than 130 DEG C or more), strong moisture absorption Property the features such as, cause its adsorption capacity in industrial application smaller, easy adsorption saturation, regeneration is difficult, and (its desorption temperature is generally wanted At 250 DEG C or more) and there is limitation etc. to macromolecules adsorption.Therefore, absorption resin is as high molecular polymer adsorbent, by In having the characteristics that physicochemical properties are stable, chemical structure and pore structure are adjustable, are easy desorption, it has been widely used in removal The absorption research of organic pollutant in aqueous solution.
Summary of the invention
The volatile organic matter condensate recycling device and its return that the purpose of the present invention is to provide a kind of based on macroreticular resin Receiving method.
The present invention is based on the volatile organic matter condensate recycling devices of macroreticular resin, including gas adsorption modules, liquid separation to follow Ring moulds block and vapor provide device.The gas adsorption modules include capturing tower, dry filter and parallel macropore tree Rouge adsorption tanks.The parallel macroporous resin adsorption tank includes the first adsorption tanks and the second adsorption tanks.It is described to capture going out for tower The connection of the air inlet of air port and dry filter.The air outlet of the dry filter is connect with the air inlet of the first air-introduced machine. The air outlet of first air-introduced machine is connected to the air inlet of the first electromagnetism on-off valve.The gas outlet of first electromagnetism on-off valve and the second electricity The connection of the air inlet of magnetic on-off valve and third electromagnetism on-off valve.Second electromagnetism on-off valve, third electromagnetism on-off valve gas outlet with First adsorption tanks, the second adsorption tanks air inlet be separately connected.
The liquid separation loop module includes condenser, Gas and liquid flow diverter, Liquid liquid Separation device and fluid reservoir.Condenser it is defeated Entrance is connect with the liquid outlet of the first adsorption tanks by the 6th electromagnetism on-off valve, passes through the with the liquid outlets of the second adsorption tanks The connection of seven electromagnetism on-off valves.The delivery outlet of condenser and the input port of Gas and liquid flow diverter connect.The liquid of Gas and liquid flow diverter exports Mouth is connect with the inlet of Liquid liquid Separation device, and gas delivery port is connect with the air inlet of the 8th electromagnetism on-off valve.8th electromagnetism is logical The gas outlet of disconnected valve is connect with the air inlet of the 9th electromagnetism on-off valve.The gas outlet of 9th electromagnetism on-off valve and the second electromagnetism on-off The connection of the air inlet of valve and third electromagnetism on-off valve.Second liquid outlet of Liquid liquid Separation device is connect with fluid reservoir.Liquid liquid Separation device The first liquid outlet connect with fluid reservoir.The air inlet of gas vent and the 9th electromagnetism on-off valve on Liquid liquid Separation device passes through the The connection of ten electromagnetism on-off valves.
The steam outlet that the vapor provides device is connect with the first adsorption tanks by the 12nd electromagnetism on-off valve, It is connect with the second adsorption tanks by the 13rd electromagnetism on-off valve.
First adsorption tanks and the second adsorption tanks are identical equipment, including tank body, spray head and Multi-layer absorption group Part.Spray head is provided at the top of the tank inner chamber.The middle part of tank inner chamber is arranged in the Multi-layer absorption component, and Tank inner chamber is divided into filter ante-chamber and filter back cavity.Multi-layer absorption component include the first grid being sequentially stacked from the bottom to top, First separation strainer, the first macroreticular resin layer, the second grid, the second macropore resin layer, the second separation strainer, bright rock layers.Tank body Air inlet be connected to the intracorporal filter ante-chamber of tank, gas vent is connected to the intracorporal filter back cavity of tank.The liquid outlet of tank body is arranged It is connected in the bottom of tank body, and with filter back cavity.
Further, the capture tower includes reservoir bed from bottom to up, gas enters layer, level-one removes wet layer, level-one is sprayed Drenching layer, second level remove wet layer, second level spraying layer, demisting layer;Gas enters layer equipped with gas feed;Level-one dehumidifies except wet layer, second level The filler of layer is one of stainless steel, polypropylene, polytetrafluoroethylene (PTFE) or a variety of;The top of level-one spraying layer, second level spraying layer Spray system is added with the aqueous solution of inorganic acid.Air outlet is provided at the top of demisting layer.
Further, the dry filter includes low efficient filter, medium effeciency filter and high efficiency particulate air filter.Described Low efficient filter, medium effeciency filter, high efficiency particulate air filter are arranged successively to the direction of air outlet along the air inlet of dry filter and set It sets.Low efficient filter uses 304 stainless steel cloths.Medium effeciency filter is using non-woven fabrics or glass fibre as filter medium, mistake Filtering partial size is 1~5 μm.High efficiency filter using porous ultra-fine fibre glass paper be used as filter medium, filtering partial size be 0.1~ 0.5μm.The condenser uses the stainless steel with a thickness of 0.5~1.0mm as chief series pipe.The shell of condenser is by by swollen Two half-shells composition of swollen section connection.Condenser uses shell-and-tube exchanger, and the baffle plate in condenser twist, and is opened Equipped with multiple through-holes.
Further, first adsorption tanks and the second adsorption tanks further include stabilizer blade.The bottom of two stabilizer blades and tank body Portion is fixed.Maintenance personal's import is offered at the top of the tank body.The both ends of the tank body are respectively provided with there are two sensor pocket Pipeline.The inner end of four sensor pocket pipelines is connected to tank inner chamber, and outer end is closed by end cap.Four sensors hold It receives and is provided with temperature sensor in pipeline.
Further, the liquid separation loop module further includes drip tray and measuring tank.The drip tray and liquid liquid point The second liquid outlet connection from device.Measuring tank is arranged between Liquid liquid Separation device and fluid reservoir.Gas vent on measuring tank with The air inlet of 9th electromagnetism on-off valve is connected by the 11st electromagnetism on-off valve.
Further, the metal bar of more perforation Multi-layer absorption components is provided on the Multi-layer absorption component. All metal bars are grounded.The first macroreticular resin layer and the second macropore resin layer is all made of polydivinylbenezene, poly- second Alkene, polystyrene, any one or two kinds in poly- phenolic aldehyde.The first separation strainer and the second separation strainer is using multistage Strainer.
Further, the gas vent of first adsorption tanks passes through the 4th electromagnetism on-off valve, exhaust outlet pipeline and the external world Environmental communication.The gas vent of second adsorption tanks is connected to by the 5th electromagnetism on-off valve, exhaust outlet pipeline with external environment. The 12nd electromagnetism on-off valve and the 13rd electromagnetism on-off valve and vapor provide and are provided with air filter between device.
It further, further include fresh air system the present invention is based on the volatile organic matter condensate recycling device of macroreticular resin. The air outlet of the fresh air system is connect with the first adsorption tanks by the 14th electromagnetism on-off valve, passes through the tenth with the second adsorption tanks The connection of five electromagnetism on-off valves.
The condensation recycling method of the volatile organic matter condensate recycling device based on macroreticular resin is specific as follows:
Step 1: the first electromagnetism on-off valve, the second electromagnetism on-off valve, the 12nd electromagnetism on-off valve, the 8th electromagnetism on-off valve And the tenth electromagnetism on-off valve open.The air inlet for capturing tower is continually fed into the exhaust gas processed containing volatile organic matter.It captures Tower absorbs the component that water is dissolved in exhaust gas processed.
Step 2: the exhaust gas processed for capturing tower output is passed through dry filter, dry filter filters out exhaust gas processed In solid particle.
Step 3: the exhaust gas processed of dry filter output enters the first adsorption tanks, the multiple field in the first adsorption tanks Absorbent module absorbs the volatile organic matter in exhaust gas processed.Later, gas vent of the exhaust gas processed from the first adsorption tanks Discharge.
Step 4: 2~4 as a child after, the second electromagnetism on-off valve close, third electromagnetism on-off valve open, dry filter The exhaust gas processed of output enters the second adsorption tanks, and the Multi-layer absorption component in the second adsorption tanks absorbs in exhaust gas processed Volatile organic matter.
7th electromagnetism on-off valve and the 13rd electromagnetism on-off valve are closed, the 6th electromagnetism on-off valve and the 12nd electromagnetism on-off valve It opens, the spray head in the first adsorption tanks is opened, and the spray head in the second adsorption tanks is closed.Spray head in first adsorption tanks to Multi-layer absorption component is sprayed water in first adsorption tanks, and vapor provides Multi-layer absorption component of the device into the first adsorption tanks and blows Steam out.In first adsorption tanks Multi-layer absorption component absorption volatile organic matter after eluting with Multi-layer absorption component Separation, the condenser into liquid separation loop module.Liquid separation loop module to the mixture of volatile organic matter and water at Reason and recycling.
Step 5: 2~4 as a child after, third electromagnetism on-off valve close, the second electromagnetism on-off valve open, dry filter The exhaust gas processed of output enters the first adsorption tanks, and the Multi-layer absorption component in the first adsorption tanks absorbs to be waved in exhaust gas processed Hair property organic matter.6th electromagnetism on-off valve and the 12nd electromagnetism on-off valve are closed, and the 7th electromagnetism on-off valve and the 13rd electromagnetism are logical Disconnected valve is opened, and the spray head in the first adsorption tanks is closed, and the spray head in the second adsorption tanks is opened.Spray in second adsorption tanks Head Multi-layer absorption component into the second adsorption tanks is sprayed water, and vapor provides Multi-layer absorption group of the device into the second adsorption tanks Part blows out steam.In second adsorption tanks Multi-layer absorption component absorption volatile organic matter after eluting with Multi-layer absorption Component separation, the condenser into liquid separation loop module.Liquid separation loop module to the mixture of volatile organic matter and water into Row processing and recycling.
Step 6: circulation executes step 4 and five.
Further, the method tool that liquid separation loop module is handled and recycled to the mixture of volatile organic matter and water Body is as follows:
Step 1: condenser starts, the condensation flow quantity of condenser and the volatile organic matter and water of input condenser are mixed The volume ratio for closing logistics capacity is a:1,15≤a≤35, so that the volatile organic matter in mixture liquefies.
Step 2: Gas and liquid flow diverter transmits the gas contained in mixture that condenser exports through the 9th electromagnetism on-off valve To the first adsorption tanks or the second adsorption tanks.
Step 3: Liquid liquid Separation device separates the water in mixture that Gas and liquid flow diverter exports with volatile organic matter, and Drip tray is delivered water into, the property of will volatilize organic matter is transported to fluid reservoir through measuring tank.
The invention has the advantages that:
1, adsorption condensing is high-efficient.
The present invention can efficiently go volatile organic matter (VOCs), inorganic matter, ammonia, organic amine in removing exhaust gas etc. main Pollutant and various foul smells, adsorption efficiency is up to 90% or more, and condensing recovery efficiency is up to 95% or more, exhaust emissions Substantially exceed " emission standard for odor pollutants " (GB14554-93) and " discharge standard of air pollutants " (GB 16297- 1996) discharge standard.
2, adaptable.
Multi-layer absorption component in the present invention by grid, separation strainer, macroreticular resin layer, grid, macroreticular resin layer, The volatility that the structure that separation strainer, bright rock layers are sequentially stacked is capable of efficient absorption chemical industry high concentration difficulty catalytic degradation is organic Object, and cryogenic condensation recycling is carried out, it is suitable for middle low concentration, atm number, the purified treatment of different VOCs gaseous matters
3, the present invention is by the modes of two adsorption tanks alternate runs, can daily 24 continuous throughout the twenty-four hour24, it is stable Reliably.
4, the present invention recycles VOCs gas by cryogenic condensation, and in such a way that 150 DEG C of hot steams purge macroreticular resin VOCs gas is desorbed, can be avoided the secondary pollution waste water that traditional macroreticular resin steam temperature-switching method desorption generates a large amount of high COD The problem of.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the connection schematic diagram of parallel macroporous resin adsorption tank in the present invention;
Fig. 3 is the structural schematic diagram of the first adsorption tanks and the second adsorption tanks in the present invention.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As illustrated in fig. 1 and 2, the volatile organic matter condensate recycling device based on macroreticular resin, including gas adsorption modules, Liquid separation loop module, fresh air system 14 and vapor provide device 13.Gas adsorption modules include capturing tower 1, dry filter 2 With parallel macroporous resin adsorption tank.Parallel macroporous resin adsorption tank includes the first adsorption tanks 3 and the second adsorption tanks 4.It captures The air outlet of tower 1 is connect with the air inlet of dry filter 2.The air inlet of the air outlet of dry filter 2 and the first air-introduced machine 12 Mouth connection.The air outlet of first air-introduced machine 12 is connected to the air inlet of the first electromagnetism on-off valve 5-1.First electromagnetism on-off valve 5-1 Gas outlet be connected to the air inlet of the second electromagnetism on-off valve 5-2 and third electromagnetism on-off valve 5-3.Second electromagnetism on-off valve 5-2, The gas outlet of third electromagnetism on-off valve 5-3 and the air inlet of the first adsorption tanks 3, the second adsorption tanks 4 are separately connected.First adsorption tanks 3 gas vent is connected to by the 4th electromagnetism on-off valve 5-4, exhaust outlet pipeline with external environment.The gas of second adsorption tanks 4 goes out Mouth is connected to by the 5th electromagnetism on-off valve 5-5, exhaust outlet pipeline with external environment.
Liquid separation loop module includes condenser 6, Gas and liquid flow diverter 7, Liquid liquid Separation device 8, drip tray 10, measuring tank 9 and storage Flow container 11.The liquid outlet of the input port of condenser 6 and the first adsorption tanks 3 passes through the 6th electromagnetism on-off valve 5-6 and the second air inducing Machine 16 connects, and is connect with the liquid outlet of the second adsorption tanks 4 by the 7th electromagnetism on-off valve 5-7 and third air-introduced machine 17.Condensation The delivery outlet of device 6 is connect with the input port of Gas and liquid flow diverter 7.The liquid outlet of Gas and liquid flow diverter 7 and Liquid liquid Separation device 8 into The connection of liquid mouth, gas delivery port are connect with the air inlet of the 8th electromagnetism on-off valve 5-8.The gas outlet of 8th electromagnetism on-off valve 5-8 It is connect with the air inlet of the 9th electromagnetism on-off valve 5-9.The gas outlet of 9th electromagnetism on-off valve 5-9 and the second electromagnetism on-off valve 5-2 And the air inlet connection of third electromagnetism on-off valve 5-3.First liquid outlet of Liquid liquid Separation device 8 is connect with the inlet of measuring tank 9, Second liquid outlet is connect with the entrance of drip tray 10.The liquid outlet of measuring tank 9 is connect with the inlet of fluid reservoir 11.Liquid liquid Separation The top of device 8 and measuring tank 9 offers gas vent.Gas vent and the 9th electromagnetism on-off valve 5-9 on Liquid liquid Separation device 8 Air inlet pass through the tenth electromagnetism on-off valve 5-10 connection.Gas vent and the 9th electromagnetism on-off valve 5-9 on measuring tank 9 into Port passes through the 11st electromagnetism on-off valve 5-11 connection.
As shown in Fig. 2, vapor provides the steam outlet of device 13 and the first adsorption tanks 3 pass through the 12nd electromagnetism on-off Valve 5-12 connection is connect with the second adsorption tanks 4 by the 13rd electromagnetism on-off valve 5-13.12nd electromagnetism on-off valve 5-12 and 13 electromagnetism on-off valve 5-13 and vapor provide and are provided with air filter 15 between device 13.The air outlet of fresh air system 14 It is connect with the first adsorption tanks 3 by the 14th electromagnetism on-off valve 5-14, passes through the 15th electromagnetism on-off valve 5- with the second adsorption tanks 4 15 connections.Vapor provides device 13 and is used to input vapor to the first adsorption tanks 3 and the second adsorption tanks 4.Fresh air system 14 is used In to 4 air blast of the first adsorption tanks 3 and the second adsorption tanks, to control in adsorption process in the first adsorption tanks 3 and the second adsorption tanks 4 Temperature is maintained between 0~40 DEG C.
Tower 1 is captured, from bottom to up includes reservoir bed, gas enters layer, level-one removes wet layer, level-one spraying layer, second level dehumidifying Layer, second level spraying layer, demisting layer;Gas enters layer equipped with gas feed;Level-one is stainless except the filler that wet layer, second level remove wet layer One of steel, polypropylene, polytetrafluoroethylene (PTFE) are a variety of;Level-one spraying layer, second level spraying layer roof spray system be added with The aqueous solution of inorganic acid, for effectively absorbing dimethylamine exhaust gas;The steam and do not locate that demisting layer is taken out of after handling for removal Manage complete particulate solid;Air outlet is provided at the top of demisting layer.
Dry filter 2 includes low efficient filter, medium effeciency filter and high efficiency particulate air filter.Low efficient filter, medium air filtration Device, high efficiency particulate air filter are arranged successively setting to the direction of air outlet along the air inlet of dry filter 2.Low efficient filter uses can 304 stainless steel cloths of recycling.Using non-woven fabrics or glass fibre as filter medium, filter partial size is medium effeciency filter 1~5 μm, filter efficiency is 60~95% (passing through colorimetric method for determining), and using increasing density structure, fibre structure intensity is high, bullet Property is good, and resistance is small, and dust containing capacity is big.High efficiency filter is used as filter medium using porous ultra-fine fibre glass paper, filters partial size It is 0.1~0.5 μm, the solid captured in gas, liquid particle (fine particles of 0.1~0.5um of trapping) can be separated.
As shown in figure 3, the first adsorption tanks 3 and the second adsorption tanks 4 are identical equipment, including tank body 3-1, stabilizer blade 3-2, spray Head 3-3 and Multi-layer absorption component 3-4.The bottom of two stabilizer blade 3-2 and tank body 3-1 is fixed.Dimension is offered at the top of tank body 3-1 Repair personnel's import.The both ends of tank body 3-1 are respectively provided with there are two sensor pocket pipeline 3-5.Four sensor pocket pipeline 3-5's Inner end is connected to the inner cavity tank body 3-1, and outer end is closed by end cap.Temperature is provided in four sensor pocket pipeline 3-5 Spend sensor.
Tank body 3-1 is provided with spray head 3-3 at the top of inner cavity.Spray head 3-3 is connect with water tank by water pump.Multiple field is inhaled The middle part of the inner cavity tank body 3-1 is arranged in attached component 3-4, and the inner cavity tank body 3-1 is divided into Multi-layer absorption component 3-4 or more Filter ante-chamber and Multi-layer absorption component 3-4 filter back cavity below.Multi-layer absorption component 3-4 include be sequentially stacked from the bottom to top and The first equal grid of thickness, the first separation strainer, the first macroreticular resin layer, the second grid, the second macropore resin layer, second point From strainer, bright rock layers.First macroreticular resin layer and the second macropore resin layer be all made of polydivinylbenezene (PDVB), polyethylene, Any one in polystyrene, poly- phenolic aldehyde or two kinds.The preferred polydivinylbenezene of macroreticular resin layer (PDVB) in the present embodiment. Bigger serface, distinctive cellular structure and the superpower hydrophobicity having due to polydivinylbenezene (PDVB), can be right VOCs gas plays good adsorption effect.First separation strainer and the second separation strainer are using multistage strainer.Tank body 3-1 into Port 3-6 is connected to the filter ante-chamber in tank body 3-1, and gas vent 3-7 is connected to the filter back cavity in tank body 3-1.Tank body 3-1 into The both ends of tank body 3-1 are not arranged in by port 3-6, gas vent 3-7.The liquid outlet 3-8 of tank body 3-1 is arranged in tank body 3-1's Bottom, and be connected to filter back cavity.The metal of more perforation Multi-layer absorption component 3-4 is provided on Multi-layer absorption component 3-4 Stick.All metal bars are grounded.Spot style conduction mode is formd, possible accumulation of static electricity is effectively prevented.
It is sequentially stacked using grid, separation strainer, macroreticular resin layer, grid, macroreticular resin layer, separation strainer, bright rock layers Multi-layer absorption component 3-4, can reduce 10~15% or so the pressure losses while improving absorption property.Spray head 3-3 is used to be sprayed after running certain period (two hours adsorption desorption periods), to keep the adsorption activity of macroreticular resin. The spray termination condition of spray head 3-3 is not muddy to be diluted with water in the liquid tube of outflow in tank body 3-1.Spray head 3-3 spray During leaching, the temperature in tank body 3-1 is controlled between 180~220 DEG C.
Condenser 6 is designed using HTRI software, using the stainless steel with a thickness of 0.5~1.0mm as chief series pipe, is mentioned High heat exchange efficiency.The shell of condenser 6 is made up of by two the half-shell that expansion joint connects.Expansion joint can compensate for shell because Additional stress caused by the temperature difference improves service life so that condenser 6 is more safe and reliable.Condenser 6 uses shell-and-tube Heat exchanger, the baffle plate in condenser 6 twist, and offer multiple through-holes.Area is utilized to improve baffle plate, Liquid heat exchange dead angle phenomenon is eliminated, the cooling effect of condenser 6 is increased.The condensate liquid that condenser 6 uses is entering condenser 6 Preceding temperature is 0 DEG C~25 DEG C, and 90% or more recyclable VOCs (organic exhaust gas) can be covered while reducing energy consumption, makes it Liquefaction is recycled.
The condensation recycling method of the volatile organic matter condensate recycling device based on macroreticular resin is specific as follows:
Step 1: the first electromagnetism on-off valve 5-1, the second electromagnetism on-off valve 5-2, the 12nd electromagnetism on-off valve 5-12, the tenth Four electromagnetism on-off valve 5-14, the 8th electromagnetism on-off valve 5-8, the 9th electromagnetism on-off valve 5-9, the tenth electromagnetism on-off valve 5-10 and the tenth One electromagnetism on-off valve 5-11 opens (connection).The air inlet of capture tower 1 is continually fed into processed useless containing volatile organic matter Gas.It captures tower 1 and absorbs the component for being dissolved in water in exhaust gas processed.
Step 2: capturing the exhaust gas processed that tower 1 exports is passed through dry filter 2, dry filter 2 filters out processed useless Solid particle in gas.
Step 3: the exhaust gas processed that dry filter 2 exports enters the first adsorption tanks 3, the multilayer in the first adsorption tanks 3 Formula absorbent module 3-4 absorbs the volatile organic matter in exhaust gas processed.Later, gas of the exhaust gas processed from the first adsorption tanks 3 Body outlet discharge.
Step 4: two as a child after, the second electromagnetism on-off valve 5-2 and the 14th electromagnetism on-off valve 5-14 are closed, third electricity Magnetic on-off valve 5-3, the 15th electromagnetism on-off valve 5-15 are opened, and the exhaust gas processed that dry filter 2 exports enters the second absorption Tank 4, the Multi-layer absorption component 3-4 in the second adsorption tanks 4 absorb the volatile organic matter in exhaust gas processed.Later, located Exhaust gas is managed to be discharged from the gas vent of the second adsorption tanks 4.
7th electromagnetism on-off valve 5-7 and the 13rd electromagnetism on-off valve 5-13 is closed, the 6th electromagnetism on-off valve 5-6 and the 12nd Electromagnetism on-off valve 5-12 is opened, and the spray head 3-3 in the first adsorption tanks 3 is opened, and the spray head 3-3 in the second adsorption tanks 4 is closed. Air pressure in the first adsorption tanks 3 is adjusted to 15-80kPa.Spray head 3-3 in first adsorption tanks 3 multilayer into the first adsorption tanks Formula absorbent module 3-4 water spray, vapor provide Multi-layer absorption component 3-4 of the device 13 into the first adsorption tanks and blow out 150 DEG C Hot steam.The volatile organic matter of Multi-layer absorption component 3-4 absorption in first adsorption tanks is inhaled after eluting with multiple field Attached component 3-4 separation, enters the condenser 6 in liquid separation loop module from the 6th electromagnetism on-off valve 5-6.Liquid separation loop module is to waving The mixture of hair property organic matter and water is handled and is recycled.
Step 5: two as a child after, third electromagnetism on-off valve 5-3, the 15th electromagnetism on-off valve 5-15 close, the second electromagnetism On-off valve 5-2 and the 14th electromagnetism on-off valve 5-14 is opened, and the exhaust gas processed that dry filter 2 exports enters the first adsorption tanks 3, the Multi-layer absorption component 3-4 in the first adsorption tanks 3 absorbs volatile organic matter in exhaust gas processed.Later, processed useless Gas is discharged from the gas outlet of the first adsorption tanks 3.
6th electromagnetism on-off valve 5-6 and the 12nd electromagnetism on-off valve 5-12 is closed, the 7th electromagnetism on-off valve 5-7 and the 13rd Electromagnetism on-off valve 5-13 is opened, and the spray head 3-3 in the first adsorption tanks 3 is closed, and the spray head 3-3 in the second adsorption tanks 4 is opened. Air pressure in the second adsorption tanks 4 is adjusted to 15-80kPa.Spray head 3-3 in second adsorption tanks 4 multilayer into the second adsorption tanks Formula absorbent module water spray, vapor provide the heat steaming that Multi-layer absorption component of the device 13 into the second adsorption tanks blows out 150 DEG C Vapour.In second adsorption tanks 4 Multi-layer absorption component 3-4 absorption volatile organic matter after eluting with Multi-layer absorption component 3-4 separation, enters the condenser 6 in liquid separation loop module from the 7th electromagnetism on-off valve 5-7.Liquid separation loop module has volatility The mixture of machine object and water is handled and is recycled.
Step 6: circulation executes step 4 and five.
The method that liquid separation loop module is handled and recycled to the mixture of volatile organic matter and water is specific as follows:
Step 1: condenser 6 starts, the condensation flow quantity of condenser 6 and the volatile organic matter and water for inputting condenser 6 The volume ratio of mixture flow rate is a:1,15≤a≤35, so that the volatile organic matter in mixture liquefies.
Step 2: Gas and liquid flow diverter 7 is by the gas contained in mixture that condenser 6 exports through the 9th electromagnetism on-off valve 5- 9 are transferred to the first adsorption tanks 3 or the second adsorption tanks 4.
Step 3: Liquid liquid Separation device 8 separates the water in mixture that Gas and liquid flow diverter 7 exports with volatile organic matter, And drip tray 10 is delivered water into, the property of will volatilize organic matter is transported to fluid reservoir 11 through measuring tank 9.

Claims (10)

1. the volatile organic matter condensate recycling device based on macroreticular resin, including gas adsorption modules, liquid separation loop module and Vapor provides device;It is characterized by: the gas adsorption modules include capturing tower, dry filter and parallel macropore Resin adsorption tank;The parallel macroporous resin adsorption tank includes the first adsorption tanks and the second adsorption tanks;The capture tower The connection of the air inlet of air outlet and dry filter;The air inlet of the air outlet of the dry filter and the first air-introduced machine connects It connects;The air outlet of first air-introduced machine is connected to the air inlet of the first electromagnetism on-off valve;The gas outlet of first electromagnetism on-off valve and the The connection of the air inlet of two electromagnetism on-off valves and third electromagnetism on-off valve;The outlet of second electromagnetism on-off valve, third electromagnetism on-off valve The air inlet of mouth and the first adsorption tanks, the second adsorption tanks is separately connected;
The liquid separation loop module includes condenser, Gas and liquid flow diverter, Liquid liquid Separation device and fluid reservoir;The input port of condenser It is connect with the liquid outlet of the first adsorption tanks by the 6th electromagnetism on-off valve, passes through the 7th electricity with the liquid outlet of the second adsorption tanks The connection of magnetic on-off valve;The delivery outlet of condenser and the input port of Gas and liquid flow diverter connect;The liquid outlet of Gas and liquid flow diverter with The inlet of Liquid liquid Separation device connects, and gas delivery port is connect with the air inlet of the 8th electromagnetism on-off valve;8th electromagnetism on-off valve Gas outlet connect with the air inlet of the 9th electromagnetism on-off valve;The gas outlet of 9th electromagnetism on-off valve and the second electromagnetism on-off valve and The air inlet of third electromagnetism on-off valve connects;Second liquid outlet of Liquid liquid Separation device is connect with fluid reservoir;The of Liquid liquid Separation device One liquid outlet is connect with fluid reservoir;The air inlet of gas vent and the 9th electromagnetism on-off valve on Liquid liquid Separation device passes through the tenth electricity The connection of magnetic on-off valve;
The steam outlet that the vapor provides device is connect with the first adsorption tanks by the 12nd electromagnetism on-off valve, with the Two adsorption tanks are connected by the 13rd electromagnetism on-off valve;
First adsorption tanks and the second adsorption tanks are identical equipment, including tank body, spray head and Multi-layer absorption component;Institute It states and is provided with spray head at the top of tank inner chamber;The Multi-layer absorption component is arranged in the middle part of tank inner chamber, and by tank Intracoelomic cavity is divided into filter ante-chamber and filter back cavity;Multi-layer absorption component includes the first grid being sequentially stacked from the bottom to top, first Separate strainer, the first macroreticular resin layer, the second grid, the second macropore resin layer, the second separation strainer, bright rock layers;Tank body into Port is connected to the intracorporal filter ante-chamber of tank, and gas vent is connected to the intracorporal filter back cavity of tank;The liquid outlet of tank body is arranged in tank The bottom of body, and be connected to filter back cavity.
2. the volatile organic matter condensate recycling device according to claim 1 based on macroreticular resin, it is characterised in that: institute The capture tower stated includes reservoir bed from bottom to up, gas enters layer, level-one removes wet layer, level-one spraying layer, second level are except wet layer, two Grade spraying layer, demisting layer;Gas enters layer equipped with gas feed;Level-one is stainless steel, gathers except the filler that wet layer, second level remove wet layer One of propylene, polytetrafluoroethylene (PTFE) are a variety of;Level-one spraying layer, second level spraying layer roof spray system be added with inorganic acid Aqueous solution;Air outlet is provided at the top of demisting layer.
3. the volatile organic matter condensate recycling device according to claim 1 based on macroreticular resin, it is characterised in that: institute The dry filter stated includes low efficient filter, medium effeciency filter and high efficiency particulate air filter;The low efficient filter, medium air filtration Device, high efficiency particulate air filter are arranged successively setting to the direction of air outlet along the air inlet of dry filter;Low efficient filter uses 304 Stainless steel cloth;For medium effeciency filter using non-woven fabrics or glass fibre as filter medium, filtering partial size is 1~5 μm;Efficient mistake Using the filter medium that is used as of porous ultra-fine fibre glass paper, filtering partial size is 0.1~0.5 μm for filter;The condenser is adopted Use stainless steel with a thickness of 0.5~1.0mm as chief series pipe;The shell of condenser is by two half-shell groups being connected by expansion joint At;Condenser uses shell-and-tube exchanger, and the baffle plate in condenser twist, and offers multiple through-holes.
4. the volatile organic matter condensate recycling device according to claim 1 based on macroreticular resin, it is characterised in that: institute The first adsorption tanks and the second adsorption tanks stated further include stabilizer blade;The bottom of two stabilizer blades and tank body is fixed;The top of the tank body Portion offers maintenance personal's import;The both ends of the tank body are respectively provided with there are two sensor pocket pipeline;Four sensor pockets The inner end of pipeline is connected to tank inner chamber, and outer end is closed by end cap;Temperature is provided in four sensor pocket pipelines Spend sensor.
5. the volatile organic matter condensate recycling device according to claim 1 based on macroreticular resin, it is characterised in that: institute The liquid separation loop module stated further includes drip tray and measuring tank;Second liquid outlet of the drip tray and Liquid liquid Separation device connects It connects;Measuring tank is arranged between Liquid liquid Separation device and fluid reservoir;Gas vent and the 9th electromagnetism on-off valve on measuring tank into Port is connected by the 11st electromagnetism on-off valve.
6. the volatile organic matter condensate recycling device according to claim 1 based on macroreticular resin, it is characterised in that: institute The metal bar of more perforation Multi-layer absorption components is provided on the Multi-layer absorption component stated;All metal bars are grounded;Institute The the first macroreticular resin layer and the second macropore resin layer stated be all made of polydivinylbenezene, polyethylene, polystyrene, in poly- phenolic aldehyde Any one or two kinds;The first separation strainer and the second separation strainer is using multistage strainer.
7. the volatile organic matter condensate recycling device according to claim 1 based on macroreticular resin, it is characterised in that: institute The gas vent for stating the first adsorption tanks is connected to by the 4th electromagnetism on-off valve, exhaust outlet pipeline with external environment;Described second inhales The gas vent of attached tank is connected to by the 5th electromagnetism on-off valve, exhaust outlet pipeline with external environment;12nd electromagnetism is logical Disconnected valve and the 13rd electromagnetism on-off valve and vapor, which provide, is provided with air filter between device.
8. the volatile organic matter condensate recycling device according to claim 1 based on macroreticular resin, it is characterised in that: this Volatile organic matter condensate recycling device of the invention based on macroreticular resin further includes fresh air system;The air outlet of the fresh air system It is connect with the first adsorption tanks by the 14th electromagnetism on-off valve, is connect with the second adsorption tanks by the 15th electromagnetism on-off valve.
9. the condensation recycling method of the volatile organic matter condensate recycling device based on macroreticular resin as described in claim 1, It is characterized by: Step 1: the first electromagnetism on-off valve, the second electromagnetism on-off valve, the 12nd electromagnetism on-off valve, the 8th electromagnetism on-off Valve and the tenth electromagnetism on-off valve are opened;The air inlet for capturing tower is continually fed into the exhaust gas processed containing volatile organic matter;It catches It catches tower and absorbs the component for being dissolved in water in exhaust gas processed;
Step 2: the exhaust gas processed for capturing tower output is passed through dry filter, dry filter is filtered out in exhaust gas processed Solid particle;
Step 3: the exhaust gas processed of dry filter output enters the first adsorption tanks, the Multi-layer absorption in the first adsorption tanks Component absorbs the volatile organic matter in exhaust gas processed;Later, exhaust gas processed is discharged from the gas vent of the first adsorption tanks;
Step 4: 2~4 as a child after, the second electromagnetism on-off valve close, third electromagnetism on-off valve open, dry filter output Exhaust gas processed enter the second adsorption tanks, the Multi-layer absorption component in the second adsorption tanks absorbs the volatilization in exhaust gas processed Property organic matter;
7th electromagnetism on-off valve and the 13rd electromagnetism on-off valve are closed, and the 6th electromagnetism on-off valve and the 12nd electromagnetism on-off valve are opened It opens, the spray head in the first adsorption tanks is opened, and the spray head in the second adsorption tanks is closed;Spray head in first adsorption tanks is to Multi-layer absorption component is sprayed water in one adsorption tanks, and vapor provides Multi-layer absorption component blowout of the device into the first adsorption tanks Steam;The volatile organic matter of Multi-layer absorption component absorption in first adsorption tanks divides after eluting with Multi-layer absorption component From condenser into liquid separation loop module;Liquid separation loop module handles the mixture of volatile organic matter and water And recycling;
Step 5: 2~4 as a child after, third electromagnetism on-off valve close, the second electromagnetism on-off valve open, dry filter output Exhaust gas processed enter the first adsorption tanks, the Multi-layer absorption component in the first adsorption tanks absorbs volatility in exhaust gas processed Organic matter;6th electromagnetism on-off valve and the 12nd electromagnetism on-off valve are closed, the 7th electromagnetism on-off valve and the 13rd electromagnetism on-off valve It opens, the spray head in the first adsorption tanks is closed, and the spray head in the second adsorption tanks is opened;Spray head in second adsorption tanks to Multi-layer absorption component is sprayed water in second adsorption tanks, and vapor provides Multi-layer absorption component of the device into the second adsorption tanks and blows Steam out;In second adsorption tanks Multi-layer absorption component absorption volatile organic matter after eluting with Multi-layer absorption component Separation, the condenser into liquid separation loop module;Liquid separation loop module to the mixture of volatile organic matter and water at Reason and recycling;
Step 6: circulation executes step 4 and five.
10. the volatile organic matter condensate recycling device according to claim 9 based on macroreticular resin is condensed back to debit Method, it is characterised in that: the method that liquid separation loop module is handled and recycled to the mixture of volatile organic matter and water is specific It is as follows:
Step 1: condenser starts, the condensation flow quantity of condenser and the volatile organic matter and aqueous mixtures for inputting condenser The volume ratio of flow is a:1,15≤a≤35, so that the volatile organic matter in mixture liquefies;
Step 2: the gas contained in mixture that condenser exports is transferred to through the 9th electromagnetism on-off valve by Gas and liquid flow diverter One adsorption tanks or the second adsorption tanks;
Step 3: Liquid liquid Separation device separates the water in mixture that Gas and liquid flow diverter exports with volatile organic matter, and by water It is transported to drip tray, the property of will volatilize organic matter is transported to fluid reservoir through measuring tank.
CN201811203081.XA 2018-10-16 2018-10-16 Volatile organic matter condensate recycling device and its recovery method based on macroreticular resin Pending CN109224754A (en)

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Application publication date: 20190118