CN109107385A - A kind of VOCs gas handling system - Google Patents
A kind of VOCs gas handling system Download PDFInfo
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- CN109107385A CN109107385A CN201811267783.4A CN201811267783A CN109107385A CN 109107385 A CN109107385 A CN 109107385A CN 201811267783 A CN201811267783 A CN 201811267783A CN 109107385 A CN109107385 A CN 109107385A
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 81
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 217
- 230000003647 oxidation Effects 0.000 claims abstract description 41
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 41
- 230000003197 catalytic effect Effects 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 229910021536 Zeolite Inorganic materials 0.000 claims description 202
- 239000010457 zeolite Substances 0.000 claims description 202
- 238000003795 desorption Methods 0.000 claims description 71
- 238000001816 cooling Methods 0.000 claims description 53
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 239000003463 adsorbent Substances 0.000 claims description 25
- 239000004575 stone Substances 0.000 claims description 14
- 238000009835 boiling Methods 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 94
- 238000001179 sorption measurement Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000006303 photolysis reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/02—Separation 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
- B01D53/04—Separation 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The present invention provides a kind of VOCs gas handling system, including filter element, the zeolite unit to be purified to filtered VOCs gas to carry out primary filtration to VOCs gas, and the catalytic oxidation unit to carry out catalytic oxidation treatment to purified VOCs gas, the filter element, the zeolite unit are communicated with the catalytic oxidation unit by pipeline.The sufficiently cleaned up of VOCs gas may be implemented in VOCs gas handling system provided by the present invention, and purification efficiency is high, safety is good.
Description
Technical field
The present invention relates to VOCs Treatment process fields, more specifically to a kind of VOCs gas handling system.
Background technique
The industries such as electronics, semiconductor, petrochemical industry, coating can generate a large amount of VOCs gas when carrying out industrial production,
These gaseous species are various, and air quantity, concentration and temperature are all different, and therefore, processing mode is also different.
Currently, on the market there are two types of the processing methods of mainstream: the first is adopted for Wind Volume, the VOCs gas of low concentration
Use activated carbon adsorption；Second of utilization zeolite runner adsorbs.However, first method is directed to, since active carbon is only applicable to inhale
The VOCs gas that attached boiling point is 70~150 DEG C, for the VOCs gas of other types, then adsorption efficiency is lower.And utilize zeolite
The adsorption method of runner is unfavorable for later period local replacing due to the higher cost of zeolite runner, using monoblock type installation, and side is inhaled
The method of felling desorption is not suitable for the batch production discharge of VOCs gas.
Summary of the invention
The object of the present invention is to provide a kind of VOCs gas handling systems, and the sufficiently cleaned up of VOCs gas may be implemented, and
Purification efficiency is high, safety is good.
The present invention provides a kind of VOCs gas handling system, including the filtering list to carry out primary filtration to VOCs gas
Member, the zeolite unit to be purified to filtered VOCs gas, and to urge purified VOCs gas
Change the catalytic oxidation unit of oxidation, the filter element, the zeolite unit are communicated with the catalytic oxidation unit by pipeline.
Preferably, the zeolite unit includes at least three adsorbent zeolite modules, a cooling zeolite module and one
Zeolite module is desorbed；The bottom of the adsorbent zeolite module, the cooling zeolite module and the desorption zeolite module is equipped with
The cooling branch of absorption to be connected to the cooling total road of absorption and the first desorption branch to be connected to the total road of desorption, each zeolite
The qualified discharge branch to be connected to the total road of the first qualified discharge is equipped at the top of module and to be connected to the total road of desorption
The second desorption branch, the cooling branch of the absorption is diagonally arranged with the qualified discharge branch, and described first is desorbed branch
Diagonally it is arranged with the second desorption branch；The cooling branch of the absorption, the first desorption branch, the qualified discharge branch
And the second desorption branch is mounted on valve；
The total road of the desorption is equipped with the catalytic oxidation unit to decompose VOCs gas and to by VOCs gas
It is heated to the primary heater of desorption temperature.
Preferably, the filter element includes filter device and VOCs gas is fed the first of the filter device
Blower, the outlet end of the filter device are connected to the arrival end on the cooling total road of the absorption.
Preferably, the catalytic oxidation unit include heat exchanger, to VOCs gas is heated secondary heater,
To VOCs gas carry out catalytic oxidation catalyst oxidation reactor, the heat exchanger, the secondary heater and
The catalyst oxidation reactor constitutes circular response circuit by pipeline connection；It further include to provide VOCs to the heat exchanger
Second blower of gas.
Preferably, the filter device is specially three layer filtration structure, including stainless steel filter screen, glass fiber filter cotton
With active carbon filter cotton.
It preferably, further include the ultraviolet radiator for being installed on the total way outlet end of first qualified discharge.
It preferably, further include the first concentration detector and the second concentration being divided at left and right sides of the ultraviolet radiator
Detector, the ultraviolet radiator, first concentration detector and second concentration detector pass through pipeline phase
Connection.
Preferably, the inside of the adsorbent zeolite module, the cooling zeolite module and the desorption zeolite module is equal
Equipped with honeycomb venthole.
Preferably, the adsorbent zeolite module, the cooling zeolite module and the desorption zeolite module include more
A zeolite module unit, multiple zeolite module unit transverse and longitudinal splicings；
The zeolite module unit include bottom splicing chunking, the 4th layer of cube zeolite block, third layer cube zeolite block,
Second layer cube zeolite block and first layer cube zeolite block；The bottom splicing chunking is boiled by four cubes
Stone splicing composition, the cube boiling that the 4th layer of cube zeolite block is aligned in the bottom splicing chunking
Stone setting, the third layer cube zeolite block, the second layer cube zeolite block and first layer cube boiling
Stone splices chunking arranged counterclockwise from bottom to top relative to the bottom.
Preferably, the adsorbent zeolite module, the cooling zeolite module and the desorption zeolite module include more
A zeolite module unit, multiple zeolite module unit transverse and longitudinal splicings；
The zeolite module unit include bottom splicing chunking, the 4th layer of cube zeolite block, third layer cube zeolite block,
Second layer cube zeolite block and first layer cube zeolite block；The bottom splicing chunking is boiled by four cubes
Stone splicing composition, the cube boiling that the 4th layer of cube zeolite block is aligned in the bottom splicing chunking
Stone setting, the third layer cube zeolite block, the second layer cube zeolite block and first layer cube boiling
Stone splices chunking arranged clockwise from bottom to top relative to the bottom.
Compared with above-mentioned background technique, the present invention provides a kind of VOCs gas handling system, including filter element, zeolite list
Member and catalytic oxidation unit, VOCs gas filters out large particulate matter via the filtration of filter element, then via defeated
Pipeline is sent to enter to zeolite unit, zeolite unit is the foam poroid with honeycomb prepared using natural zeolite powder as raw material
Zeolitic material is made, and when VOCs gas flows through, internal noxious material is adsorbed, and is thus purified；It is purified
VOCs gas enters inside catalytic oxidation unit via transfer pipeline finally by photodissociation, to realize the abundant net of VOCs gas
Change.Therefore, the sufficiently cleaned up of VOCs gas, and purification efficiency may be implemented in VOCs gas handling system provided by the present invention
Height, safety are good, thus solve the problems, such as that VOCs gas purification is halfway.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of VOCs gas handling system provided by the present invention；
Fig. 2 is the structural schematic diagram of zeolite module unit provided by the present invention；
Fig. 3 is the structural schematic diagram for the zeolite module being spliced to form by the zeolite module unit in Fig. 2.
Wherein, 1- adsorbs cooling total road, 2- adsorbs cooling branch, total road is desorbed in 3-, the desorption of 4- first branch, 5- first reach
Mark discharges total road, 6- qualified discharge branch, 7- second desorption branch, 8- valve, 9- primary heater, 10- filter device, 11-
First blower, 12- heat exchanger, 13- secondary heater, 14- catalyst oxidation reactor, the second blower of 15-, the irradiation of 16- ultraviolet light
Lamp, the first concentration detector of 17-, the second concentration detector of 18-, 19- zeolite module unit, 191- bottom splicing chunking, 192- the
Four layers of cube zeolite block, 193- third layer cube zeolite block, 194- second layer cube zeolite block, 195- first layer cube
Body zeolite block, the total road of the second qualified discharge of 20-.
Specific embodiment
Core of the invention is to provide a kind of VOCs gas handling system, solves that VOCs gas purification is halfway to ask
Topic, and purification efficiency is high, safety is good.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is the structural schematic diagram of VOCs gas handling system provided by the present invention；Figure
2 be the structural schematic diagram of zeolite module unit provided by the present invention；Fig. 3 is the boiling being spliced to form by the zeolite module unit in Fig. 2
The structural schematic diagram of stone module.
The present invention provides a kind of VOCs gas handling system, including filter element, zeolite unit and catalytic oxidation unit, mistake
Unit, zeolite unit and catalytic oxidation unit are filtered by pipeline connection into circulation loop.Filter element to VOCs gas into
Row primary filtration, zeolite unit to via the filtered VOCs gas of filter element to adsorb, thus by VOCs gas
In harmful substance removal, it is thus achieved that the double purification of VOCs gas；Finally, VOCs gas via the transport of pipeline and
It entering to inside catalytic oxidation unit, internal adsorbent chemically reacts with it, so that VOCs gas is decomposed, it is thus real
The purification three times of VOCs gas is showed.It can be seen that VOCs gas handling system provided by the present invention, by single to filtering
Circulation is passed through VOCs gas inside member, zeolite unit and catalytic oxidation unit, and VOCs gas is successively via the preliminary of filter element
The chemical breakdown effect of filtering, the adsorption cleaning of zeolite unit and catalytic oxidation unit, to obtain clean gas.
Above-mentioned zeolite unit includes at least three zeolite modules, and it is cold that the bottom of any perpleexite module is mounted on absorption
But branch 2 and the first desorption branch 4 preferably adsorb the left end that cooling branch 2 is set to zeolite module, the first desorption branch 4
It is set to the right end of zeolite module, also, is mounted on qualified discharge branch 6 and second at the top of any perpleexite module and takes off
Attached branch 7, it is preferred that the second desorption branch 7 is set to the top left side of zeolite module, qualified discharge branch 6 is set to zeolite module
Top right side, no opinion position is how, needs to guarantee, adsorb cooling branch 2 and be diagonally arranged with qualified discharge branch 6, phase
With, the first desorption branch 4 and the second desorption branch 7 are diagonally arranged.It adsorbs cooling branch 2, first and branch 4, row up to standard is desorbed
It puts and is mounted on valve 8 on branch 6 and the second desorption branch 7, be connected with valve 8 by conducting wire and be additionally provided with control circuit,
Under the control of the control circuit, the closure or openness of valve 8 on each branch may be implemented, so that gas flow is changed, to realize
Conversion between absorption, cooling and desorption mode, and can satisfy the demand of continous way discharge and intermittent discharge, it increases
Purification pattern.
The cooling branch 2, first of the absorption of each zeolite module bottom be desorbed branch 4 respectively with the cooling total road 1 of absorption and de-
The road Fu Zong 3 is connected, also, the desorption branch 7 of qualified discharge branch 6, second of each zeolite module top is up to standard with first respectively
It discharges total road 5 and the total road 3 of desorption is connected, VOCs gas is via the suction under the cooling total road 1 of absorption and 8 open state of valve
Attached cooling branch 2 and enter in corresponding zeolite module, under the adsorption force of zeolite, by harmful gas in VOCs gas
Body removes, and obtained gas up to standard is via qualified discharge branch 6 and the total road 5 of the first qualified discharge and outside discharger, from
And realize the purification of VOCs gas.
In a specific embodiment, the quantity of above-mentioned zeolite module is specially five, and five zeolite modules are mutually indepedent,
And it is communicated by each pipeline.Five zeolite modules can be completed at the same time adsorption and desorption and refrigerating function, can also be with complete independently three
Kind function.
Specifically, when five zeolite modules are completed at the same time adsorption and desorption and refrigerating function, five zeolite module difference
For three adsorbent zeolite modules, a cooling zeolite module and a desorption zeolite module, three adsorbent zeolite modules, cooling boiling
Stone module and desorption zeolite module are successively set gradually along gas flow direction, that is, along side from left to right as shown in Figure 1
To setting gradually, to the three adsorbent zeolite modules adsorbed, the qualified discharge branch 6 of two of them adsorbent zeolite module is opened
It opens, the qualified discharge branch 6 of another adsorbent zeolite module is closed, to increase VOCs gas in adsorbent zeolite inside modules
Residence time so that VOCs gas comes into full contact with adsorbent zeolite module.The zeolite module for closing valve 8 can be three boilings
Any of stone module, preferably the last one zeolite module, that is, third zeolite module shown in FIG. 1.
When device realizes continous way production, that is, the adsorption and desorption of zeolite module and cooling three kinds of functions carry out simultaneously
When, each zeolite module is mutually indepedent, and is communicated by pipeline, and each zeolite module all has adsorption and desorption and cooling function
Can, control circuit is stored with preset time, the opening-closing process of each valve 8 controlled according to preset time, at any period under, three
Adsorbent zeolite module is adsorbed, and desorption zeolite module is desorbed, the last one cooling zeolite module is cooled down.Three suctions
Two in attached zeolite module, the valve 8 on qualified discharge branch 6 is opened, gas up to standard, the first desorption branch 4 is discharged
It is closed with the valve 8 on the second desorption branch 7, so that exhaust gas comes into full contact with zeolite block, to increase the residence time.
More specifically, under the control action of valve 8, five zeolite modules can be carried out adsorption and desorption and cooled
Journey is illustrated in a kind of following modes as an example since the opening and closing of valve 8 are there are many combination.
Three from left to right zeolite module in Fig. 1 is adsorbent zeolite module, and the 4th zeolite module is refrigerating module,
5th zeolite module is desorption module.Three adsorbent zeolite modules are adsorbed simultaneously, at this point, the first two is adsorbed cooling branch 2, reached
Valve 8 on mark discharge branch 6 is opened, and the valve 8 on the cooling branch 2 of the absorption of third adsorbent zeolite module is opened, reached
Valve 8 in mark discharge branch 6 is closed, and remaining valve 8 is closed, to increase the residence time of gas；At the same time, cooling boiling
The cooling branch 2 of absorption and the second desorption branch 7 in stone module are opened, remaining valve 8 is closed, to realize the cooling to zeolite；
Gas after cooling is delivered in rear catalytic oxidation unit via total road 3 is desorbed, and carries out catalytic oxidation treatment；At the same time,
The valve 8 on the first desorption branch 4 and the second desorption branch 7 being desorbed in zeolite module is opened, remaining valve 8 is closed, through de-
The gas of attached processing enters in catalytic oxidation unit, carries out catalytic oxidation treatment.
When device realizes batch production, i.e., the adsorption and desorption of zeolite module and cooling three kinds of functions separate individually into
When row, that is to say, that five zeolite modules are performed simultaneously absorption movement or are performed simultaneously cooling action, also or simultaneously hold
The movement of row desorption.
When five zeolite modules are performed simultaneously absorption movement, five zeolite modules are adsorbent zeolite module, wherein four
Valve 8 on the cooling branch 2 of the absorption of a zeolite module and qualified discharge branch 6 is opened, remaining valve 8 is closed, another boiling
The cooling branch 2 of the absorption of stone module is opened, and the valve 8 of qualified discharge branch 6 and other branch roads is closed, to increase gas
Residence time.
Similar, when five zeolite modules are all cooling simultaneously, the cooling branch 2 and second of absorption in five zeolite modules is de-
Valve 8 on attached branch 7 is opened, 8 temporary close of valve of remaining branch road, and gas enters in rear catalytic oxidation unit, into
Gas up to standard is finally discharged in row catalytic oxidation treatment.
Similar, when five zeolite modules are all desorbed simultaneously, the first desorption branch 4 and second in five zeolite modules are de-
Valve 8 on attached branch 7 is opened, 8 temporary close of valve of remaining branch road, and gas enters in rear catalytic oxidation unit, into
Gas up to standard is finally discharged in row catalytic oxidation treatment.
It is desorbed on total road 3 and above-mentioned catalytic oxidation unit is installed, and VOCs gas is heated to desorption temperature
Primary heater 9 is connected with the total road 20 of the second qualified discharge between catalytic oxidation unit and the total road 5 of the first qualified discharge, desorption
Total 3 one end of road is connected with the second desorption branch 7 of zeolite module top, the first desorption branch of the other end and zeolite module bottom
Road 4 is connected, and is desorbed on total road 3 and is communicated with above-mentioned each first desorption branch 4 and the second desorption branch 7, so, when corresponding
When valve 8 is opened, the VOCs gas entered in after-treatment system is decomposed, and a part of VOCs gas is added by primary heater 9
Heat is to desorption temperature, such as 50 DEG C~200 DEG C, via the total road 3 of desorption and each first desorption branch 4 from 8 opening state of valve
The bottom of zeolite module under state enters in zeolite module, cooperates the unlatching and closure of respective valves 8, to realize to zeolite
The desorption of module；Another part VOCs gas is via the total road 20 of the second qualified discharge and outside discharger.
Filter element includes filter device 10 and the first blower 11, and the first blower 11 is to feed VOCs to filter device 10
Gas, the outlet end of filter device 10 are connected to the arrival end on the cooling total road 1 of absorption.Filter device 10 can be by big in exhaust gas
Grain impurity primary filtration, the exhaust gas after primary filtration via the cooling total road 1 of absorption and adsorb cooling branch 2 and enter each absorption
In zeolite module.
Further, filter device 10 has three-decker, and first layer is stainless steel filter screen, and the second layer is glass fibre
Filter cotton, third layer are active carbon filter cotton；Pernicious gas in exhaust gas successively passes through stainless steel filter screen, glass fiber filter
Cotton and active carbon filter cotton and filtered, to obtain clean gas.
Above-mentioned catalytic oxidation unit includes heat exchanger 12, secondary heater 13 and catalyst oxidation reactor 14, heat exchanger 12
It by heat exchange principle, radiates to the gas in it, to reduce gas temperature；Secondary heater 13 by cooling gas into
Row heating, the gas into catalyst oxidation reactor 14 chemically react with the catalyst in it, further divide exhaust gas
Solution filtering.Heat exchanger 12, secondary heater 13 and catalyst oxidation reactor 14, three are returned by pipeline connection at circular response
Road, that is, successively after supercooling, heating and decomposition, again passing by heat exchanger 12 into the exhaust gas in heat exchanger 12 and being discharged
The circulating purification, it can be achieved that exhaust gas is arranged such in pipeline.In addition, further including the second blower 15, the second blower 15 is installed on heat exchange
Between device 12 and the total road 3 of desorption, constantly to feed gas in heat exchanger 12, that is, the second blower 15 is realized to heat exchange
Gas is constantly inputted in circuit where device 12.
In order to further increase purifying rate, ultraviolet radiator can be installed in the outlet end on the first qualified discharge total road 5
16, when ultraviolet radiator 16 is in the open state, the harmful substance in VOCs gas can further be decomposed, be guaranteed
The purification efficiency of gas.
Further, it is also possible to which it is dense to install the first concentration detector 17 and second respectively in the left and right sides of ultraviolet radiator 16
Detector 18 is spent, the first concentration detector 17, ultraviolet radiator 16 and the second concentration detector 18 are connected by pipeline,
First concentration detector 17 and the second concentration detector 18 are respectively detecting the gas concentration without photodissociation, and after photodissociation
Gas concentration, thus compare photodissociation as a result, obtain photodissociation after gas concentration value.
Above-mentioned adsorbent zeolite module, cooling zeolite module and desorption zeolite module are by using natural zeolite powder as raw material
Artificial zeolite be made, the inside of zeolite module has honeycomb cavernous structure, using the absorption property of zeolitic material, with exhaust gas
Contact in, the harmful substance in exhaust gas is sufficiently removed；By switch valve 8, and it is aided with primary heater 9 and second and adds
The cooling to cooling zeolite module, and the desorption to desorption zeolite module may be implemented in hot device 13.
Specifically, above-mentioned adsorbent zeolite module, cooling zeolite module and desorption zeolite module are by multiple as shown in Figure 2
Zeolite module unit 19 constitute, multiple zeolite module units 19 by transverse and longitudinal splicing constitutes each zeolite module, as shown in figure 3, its
Splicing quantity and stitching position determine according to actual needs.Zeolite module unit 19 splices chunking 191, the 4th layer cube by bottom
Body zeolite block 192, third layer cube zeolite block 193, second layer cube zeolite block 194 and first layer cube zeolite block
195 are constituted, wherein it is the rectangular block structure being spliced by four cube zeolite blocks that bottom, which splices chunking 191,；4th layer vertical
Cube zeolite block 192, third layer cube zeolite block 193, second layer cube zeolite block 194 and first layer cube zeolite block
195, be single cube zeolite block, the 4th layer of cube zeolite block 192 is aligned in bottom splicing chunking 191, four it is vertical
Either one or two of among cube zeolite block, third layer cube zeolite block 193 is set to the upper layer of the 4th layer of cube zeolite block 192
In structure, second layer cube zeolite block 194 is set in the superstructure of third layer cube zeolite block 193, first layer cube
Body zeolite block 195 is set in the superstructure of second layer cube zeolite block 194, also, the 4th layer of cube zeolite block 192,
Third layer cube zeolite block 193, second layer cube zeolite block 194 and first layer cube zeolite block 195, along counterclockwise
Direction spiral step rises distribution, is connected into gas release groove spiralling from bottom to top as shown in Figure 3.The structure increases
Contact area between gas and zeolite, increases the residence time of exhaust gas, so that zeolite block comes into full contact with exhaust gas, is recycling
In reciprocal, the circulating purification of exhaust gas is realized.
Above layers cube zeolite block can also be arranged clockwise, that is to say, that the 4th layer of cube zeolite block 192
It is aligned in bottom splicing chunking 191, either one or two of among four cube zeolite blocks, third layer cube zeolite block 193 is set
It is placed in the superstructure of the 4th layer of cube zeolite block 192, second layer cube zeolite block 194 is boiled set on third layer cube
In the superstructure of stone 192, first layer cube zeolite block 195 is set to the superstructure of second layer cube zeolite block 194
In, also, the 4th layer of cube zeolite block 192, third layer cube zeolite block 193, second layer cube zeolite block 194 and
First layer cube zeolite block 195, spiral step rises distribution along clockwise direction.Such distribution mode, is equally reached
The effect come into full contact with exhaust gas.
VOCs gas handling system provided by the present invention is described in detail above.It is used herein specifically a
Principle and implementation of the present invention are described for example, and it is of the invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
Protection scope in.
Claims (10)
1. a kind of VOCs gas handling system, which is characterized in that including the filtering list to carry out primary filtration to VOCs gas
Member, the zeolite unit to be purified to filtered VOCs gas, and to urge purified VOCs gas
Change the catalytic oxidation unit of oxidation, the filter element, the zeolite unit are communicated with the catalytic oxidation unit by pipeline.
2. VOCs gas handling system according to claim 1, which is characterized in that the zeolite unit includes at least three
Adsorbent zeolite module, a cooling zeolite module and a desorption zeolite module；The adsorbent zeolite module, the cooling
Zeolite module is equipped with the cooling branch of absorption to be connected to the cooling total road (1) of absorption with the bottom of the desorption zeolite module
(2) and first to be connected to the total road (3) of desorption is desorbed branch (4), is equipped at the top of each zeolite module to be connected to
The qualified discharge branch (6) on the total road of the first qualified discharge (5) and the second desorption branch to be connected to the total road (3) of desorption
(7), the absorption cooling branch (2) and the qualified discharge branch (6) are diagonally arranged, and first desorption branch (4) with
Second desorption branch (7) is diagonally arranged；It is the absorption cooling branch (2), first desorption branch (4), described up to standard
Discharge branch (6) and second desorption branch (7) are mounted on valve (8)；
The total road (3) of the desorption is equipped with the catalytic oxidation unit to decompose VOCs gas and to add VOCs gas
Heat to desorption temperature primary heater (9).
3. VOCs gas handling system according to claim 2, which is characterized in that the filter element includes filter device
(10) and the first blower (11) VOCs gas to be fed to the filter device (10), the outlet of the filter device (10)
End is connected to the arrival end of the cooling total road (1) of the absorption.
4. VOCs gas handling system according to claim 2, which is characterized in that the catalytic oxidation unit includes heat exchange
Device (12), to VOCs gas is heated secondary heater (13), to VOCs gas carry out catalytic oxidation
Catalyst oxidation reactor (14), the heat exchanger (12), the secondary heater (13) and the catalyst oxidation reactor
(14) circular response circuit is constituted by pipeline connection；It further include to provide the second of VOCs gas to the heat exchanger (12)
Blower (15).
5. VOCs gas handling system according to claim 3, which is characterized in that the filter device is specially three layers of mistake
Filter structure, including stainless steel filter screen, glass fiber filter cotton and active carbon filter cotton.
6. VOCs gas handling system according to claim 4, which is characterized in that further include that be installed on described first up to standard
Discharge the ultraviolet radiator (16) of total road (5) outlet end.
7. VOCs gas handling system according to claim 5, which is characterized in that further include being divided into the ultraviolet light to shine
The first concentration detector (17) and the second concentration detector (18) at left and right sides of shot-light (16), the ultraviolet radiator
(16), first concentration detector (17) and second concentration detector (18) are connected by pipeline.
8. VOCs gas handling system according to claim 6, which is characterized in that the adsorbent zeolite module, described cold
But the inside of zeolite module and the desorption zeolite module is equipped with honeycomb venthole.
9. according to claim 1 to VOCs gas handling system described in 8 any one, which is characterized in that the adsorbent zeolite
Module, the cooling zeolite module and the desorption zeolite module include multiple zeolite module units (19), multiple boilings
The splicing of stone elements (19) transverse and longitudinal；
The zeolite module unit (19) includes that bottom splicing chunking (191), the 4th layer of cube zeolite block (192), third layer are vertical
Cube zeolite block (193), second layer cube zeolite block (194) and first layer cube zeolite block (195)；The bottom
Splicing chunking (191) is made of four cube zeolite block splicings, and the 4th layer of cube zeolite block (192) is aligned in
A cube zeolite block setting in bottom splicing chunking (191), the third layer cube zeolite block
(193), the second layer cube zeolite block (194) and the first layer cube zeolite block (195) are relative to the bottom
Layer splices chunking (191) arranged counterclockwise from bottom to top.
10. according to claim 1 to VOCs gas handling system described in 8 any one, which is characterized in that the adsorbent zeolite
Module, the cooling zeolite module and the desorption zeolite module include multiple zeolite module units (19), multiple boilings
The splicing of stone elements (19) transverse and longitudinal；
The zeolite module unit (19) includes that bottom splicing chunking (191), the 4th layer of cube zeolite block (192), third layer are vertical
Cube zeolite block (193), second layer cube zeolite block (194) and first layer cube zeolite block (195)；The bottom
Splicing chunking (191) is made of four cube zeolite block splicings, and the 4th layer of cube zeolite block (192) is aligned in
A cube zeolite block setting in bottom splicing chunking (191), the third layer cube zeolite block
(193), the second layer cube zeolite block (194) and the first layer cube zeolite block (195) are relative to the bottom
Layer splices chunking (191) arranged clockwise from bottom to top.
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| CN201811267783.4A CN109107385A (en) | 2018-10-29 | 2018-10-29 | A kind of VOCs gas handling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369208A (en) * | 2019-07-02 | 2019-10-25 | 佛山汉龙智能科技有限公司 | A kind of auto spray painting circulated air control system and control method |
| CN113719842A (en) * | 2021-08-27 | 2021-11-30 | 中船海洋动力部件有限公司 | VOCs processing system of high-efficient heat recovery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172512A (en) * | 2011-03-22 | 2011-09-07 | 翟常忠 | Desulphurizer capable of removing smelly impurities such as thiophene, mercaptan, thioether and hydrogen sulphide by catalytic oxidation and preparation method and application of desulphurizer |
| CN105311922A (en) * | 2015-10-21 | 2016-02-10 | 江苏兆年涂装科技有限公司 | Comprehensive waste gas processing system |
| CN105536428A (en) * | 2015-12-14 | 2016-05-04 | 北京蓝博新科环保科技有限公司 | Organic waste gas purification system and purification method |
| CN107998821A (en) * | 2017-12-30 | 2018-05-08 | 和和乐和（天津）环境科技有限公司 | A kind of fixed bed zeolite VOC exhaust treatment systems |
| CN209490690U (en) * | 2018-10-29 | 2019-10-15 | 上海盛剑环境系统科技股份有限公司 | A kind of VOCs gas handling system |
-
2018
- 2018-10-29 CN CN201811267783.4A patent/CN109107385A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172512A (en) * | 2011-03-22 | 2011-09-07 | 翟常忠 | Desulphurizer capable of removing smelly impurities such as thiophene, mercaptan, thioether and hydrogen sulphide by catalytic oxidation and preparation method and application of desulphurizer |
| CN105311922A (en) * | 2015-10-21 | 2016-02-10 | 江苏兆年涂装科技有限公司 | Comprehensive waste gas processing system |
| CN105536428A (en) * | 2015-12-14 | 2016-05-04 | 北京蓝博新科环保科技有限公司 | Organic waste gas purification system and purification method |
| CN107998821A (en) * | 2017-12-30 | 2018-05-08 | 和和乐和（天津）环境科技有限公司 | A kind of fixed bed zeolite VOC exhaust treatment systems |
| CN209490690U (en) * | 2018-10-29 | 2019-10-15 | 上海盛剑环境系统科技股份有限公司 | A kind of VOCs gas handling system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369208A (en) * | 2019-07-02 | 2019-10-25 | 佛山汉龙智能科技有限公司 | A kind of auto spray painting circulated air control system and control method |
| CN110369208B (en) * | 2019-07-02 | 2024-04-02 | 珠海汉龙智能科技有限公司 | Automatic paint spraying circulating air control system and control method |
| CN113719842A (en) * | 2021-08-27 | 2021-11-30 | 中船海洋动力部件有限公司 | VOCs processing system of high-efficient heat recovery |
| CN113719842B (en) * | 2021-08-27 | 2023-05-12 | 中船海洋动力部件有限公司 | VOCs processing system of high-efficient heat recovery |
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