CN110404342A - A kind of complete processing equipment of original position thermal desorption exhaust gas - Google Patents
A kind of complete processing equipment of original position thermal desorption exhaust gas Download PDFInfo
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- CN110404342A CN110404342A CN201910806955.9A CN201910806955A CN110404342A CN 110404342 A CN110404342 A CN 110404342A CN 201910806955 A CN201910806955 A CN 201910806955A CN 110404342 A CN110404342 A CN 110404342A
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- 238000003795 desorption Methods 0.000 title claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002912 waste gas Substances 0.000 claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 26
- 238000011065 in-situ storage Methods 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims description 25
- 239000003500 flue dust Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003546 flue gas Substances 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000003749 cleanliness Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 239000002957 persistent organic pollutant Substances 0.000 description 6
- 239000000356 contaminant Substances 0.000 description 4
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
-
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
-
- 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
- B01D53/14—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 absorption
- B01D53/1487—Removing organic compounds
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of complete processing equipments of thermal desorption exhaust gas in situ, including the cyclone dust collectors being connect with thermal desorption device in situ, the connection of the air inlet of the cyclone dust collectors and waste gas combustion furnace, the waste gas combustion furnace is connect with exhaust gas-air heat exchanger, exhaust gas-the air heat exchanger is connect with cooling tower, the cooling tower is connect with spray column, the spray column is connect with bag filter, the bag filter is connect with plasma purifier, the plasma purifier is connect with active carbon filter, and the active carbon filter is connect with chimney.The utility model has the advantages that waste gas emission standard can be fully achieved in the exhaust gas handled by multi task process mode, the cleanliness of processing flue gas is effectively improved, corresponding activated carbon dosage is considerably less, and then greatly reduces cost.
Description
Technical field
The present invention relates to thermal desorption technology fields for this, it particularly relates to which a kind of complete processing of original position thermal desorption exhaust gas is set
It is standby.
Background technique
Thermal desorption technology is that contaminated soil is heated to the boiling point of target contaminant or more, makes target contaminant from soil
It is able to volatilize or isolated process, target contaminant occurs evaporation, distillation, boiling, oxidation and pyrolysis etc. and makees during thermal desorption
With dirt by the different pollutant of the removal of control system temperature and the residence time of material property of can choose, in contaminated soil
Dye object is separated from soil under condition of negative pressure, finally thoroughly eliminates or be concentrated collection in vent gas treatment facility.This is repaired
Recovering technology can efficiently remove volatilization and half volatile organic contaminant in contaminated soil, and pollutants removal rate reaches as high as
99.98% or more.
Thermal desorption disposes this link in exhaust gas, and to remove the organic pollutant that it contains, the prior art is usually by exhaust gas
It is initially introduced in one or more active carbon filters, it was carried out by the principle of activated carbon adsorption organic pollutant
Then filter allows harmless exhaust gases to be discharged from chimney, although this mode can adsorb organic pollutant, what is adsorbed is not thorough enough,
Exhaust gas discharge is not often up to standard, and the dosage of active carbon is very big, and the processing cost is high.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of complete processing equipment of thermal desorption exhaust gas in situ, to overcome
Above-mentioned technical problem present in existing the relevant technologies.
For this purpose, the specific technical solution that the present invention uses is as follows:
A kind of complete processing equipment of original position thermal desorption exhaust gas, it is described including the cyclone dust collectors being connect with thermal desorption device in situ
The connection of the air inlet of cyclone dust collectors and waste gas combustion furnace, the waste gas combustion furnace are connect with exhaust gas-air heat exchanger, described useless
Gas-air heat exchanger is connect with cooling tower, and the cooling tower is connect with spray column, and the spray column is connect with bag filter,
The bag filter is connect with plasma purifier, and the plasma purifier is connect with active carbon filter, the activity
Carbon filter is connect with chimney.
Further, the cyclone dust collectors include successively with the steam (vapor) outlet of the thermal desorption device in situ and described useless
The separation chamber of the air inlet connection of gas incinerator, the separation chamber bottom end are provided with ash-falling chamber, the bottom end setting of the ash-falling chamber
There is unloading valve, the unloading valve bottom end is provided with flue-dust retainer, and the bottom of the separation chamber is provided with support frame.
Further, the top side of the separation chamber is provided with connect with the steam (vapor) outlet of the thermal desorption device in situ
Air inlet pipe.
Further, the top of the separation chamber is provided with the escape pipe connecting with the air inlet of the waste gas combustion furnace.
Further, the inner tip of the separation chamber is provided with the exhaust core pipe being connected with the escape pipe.
Further, the side of the exhaust gas-air heat exchanger is provided with matches with the exhaust gas-air heat exchanger
Combustion fan.
The invention has the benefit that waste gas emission standard can be fully achieved in the exhaust gas handled by multi task process mode,
Just because active carbon filter only handles seldom a part of exhaust gas, the cleanliness of processing flue gas, corresponding activated carbon dosage are effectively improved
It is considerably less, and then greatly reduce cost；It can be used for the dystopy thermal desorption of various volatilizations and semi-volatile organic matter contaminated soil
The purified treatment of the tail gas generated in repair has good environmental benefit and social benefit.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the complete processing equipment of thermal desorption exhaust gas in situ according to an embodiment of the present invention；
Fig. 2 is that a kind of structure of the cyclone dust collectors of the complete processing equipment of thermal desorption exhaust gas in situ according to an embodiment of the present invention is shown
It is intended to.
In figure:
1, cyclone dust collectors；101, separation chamber；102, ash-falling chamber；103, unloading valve；104, flue-dust retainer；105, support frame；106,
Air inlet pipe；107, escape pipe；108, exhaust core pipe；2, waste gas combustion furnace；3, exhaust gas-air heat exchanger；4, cooling tower；5, it sprays
Tower；6, bag filter；7, plasma purifier；8, active carbon filter；9, chimney.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing, these attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment, cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention, in figure
Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
According to an embodiment of the invention, providing a kind of complete processing equipment of thermal desorption exhaust gas in situ.
Now in conjunction with the drawings and specific embodiments, the present invention is further described, as shown in Figs. 1-2, implements according to the present invention
The complete processing equipment of thermal desorption exhaust gas in situ of example, including the cyclone dust collectors 1 being connect with thermal desorption device in situ, the whirlwind
Deduster 1 is connect with the air inlet of waste gas combustion furnace 2, and the waste gas combustion furnace 2 is connect with exhaust gas-air heat exchanger 3, described useless
Gas-air heat exchanger 3 is connect with cooling tower 4, and the cooling tower 4 is connect with spray column 5, the spray column 5 and bag filter 6
Connection, the bag filter 6 are connect with plasma purifier 7, and the plasma purifier 7 is connect with active carbon filter 8,
The active carbon filter 8 is connect with chimney 9.
With the aid of the technical scheme, waste gas emission standard can be fully achieved in the exhaust gas handled by multi task process mode,
Just because active carbon filter only handles seldom a part of exhaust gas, the cleanliness of processing flue gas, corresponding activated carbon dosage are effectively improved
It is considerably less, and then greatly reduce cost；It can be used for the dystopy thermal desorption of various volatilizations and semi-volatile organic matter contaminated soil
The purified treatment of the tail gas generated in repair has good environmental benefit and social benefit.
In one embodiment, for above-mentioned cyclone dust collectors 1, the cyclone dust collectors 1 include successively with it is described
The separation chamber 101 of the air inlet of the steam (vapor) outlet of thermal desorption device in situ and the waste gas combustion furnace 2 connection, the separation chamber
101 bottom ends are provided with ash-falling chamber 102, and the bottom end of the ash-falling chamber 102 is provided with unloading valve 103, and 103 bottom end of unloading valve is set
It is equipped with flue-dust retainer 104, and the bottom of the separation chamber 101 is provided with support frame 105, so that the thermal desorption tail gas to generation enters
Cyclone dust collectors 1 carry out preliminary dust removal processing.
In one embodiment, for above-mentioned separation chamber 101, the top side of the separation chamber 101 be provided with
The air inlet pipe 106 of the steam (vapor) outlet connection of the original position thermal desorption device, to connect separation chamber 101 and thermal desorption dress in situ
It sets, so that entering cyclone dust collectors 1 to the thermal desorption tail gas of generation carries out preliminary dust removal processing.
In one embodiment, for above-mentioned separation chamber 101, the top of the separation chamber 101 be provided with it is described
The escape pipe 107 of the air inlet connection of waste gas combustion furnace 2, so that separation chamber 101 and waste gas combustion furnace 2 are connected, so that by preliminary
Waste gas combustion furnace 2 after dust removal process and in waste gas combustion furnace by high temperature incineration, enable organic pollutant in flue gas
Sufficiently decompose removal.
In one embodiment, for above-mentioned separation chamber 101, the inner tip of the separation chamber 101 be provided with
The exhaust core pipe 108 that the escape pipe 107 is connected, so that separation chamber 101 and waste gas combustion furnace 2 are connected, so that will tentatively remove
Dirt treated waste gas combustion furnace 2 and in waste gas combustion furnace by high temperature incineration, the organic pollutant in flue gas is filled
Decompose removal.
In one embodiment, for above-mentioned exhaust gas-air heat exchanger 3, the one of the exhaust gas-air heat exchanger 3
Side is provided with the combustion fan matched with the exhaust gas-air heat exchanger 3, to improve the heat exchange of exhaust gas-air heat exchanger 3
Efficiency.
Working principle: in specific application, contaminated soil is sent into thermal desorption device in situ and carries out thermal desorption processing, is generated
Thermal desorption tail gas enter cyclone dust collectors 1 and carry out preliminary dust removal processing, by preliminary dust removal treated waste gas combustion furnace 2 and
By high temperature incineration in waste gas combustion furnace, the organic pollutant in flue gas is enabled sufficiently to decompose removal, flue gas passes through exhaust gas-sky
Gas heat exchanger 3 recycle its waste heat, to save system energy consumption, in cooling tower 4 flue gas be quickly cooled to 200 DEG C hereinafter, to
The section of synthesis temperature again (300-500 DEG C) for avoiding dioxin prevents the generation of dioxin, then passes through spray column 5, bag-type dust
Device 6 is with to gas cleaning, such as dioxin that may be present, acidic materials pollutant in removal flue gas, then exhaust gas is passed through
The processing of ion purifier 7 is adsorbed by active carbon in treated exhaust gas enters active carbon filter 8, in other words, this
Invention is by waste gas combustion furnace 2, exhaust gas-air heat exchanger 3, cooling tower 4, spray column 5, bag filter 6, plasma purifier 7
And active carbon filter 8 is used in conjunction with, exhaust gas discharge can be fully achieved in this exhaust gas handled through multi task process mode
Standard effectively improves the cleanliness of processing flue gas, corresponding active carbon just because active carbon filter only handles seldom a part of exhaust gas
Dosage is considerably less, and then greatly reduces cost.
In conclusion by means of above-mentioned technical proposal of the invention, it can be complete by the exhaust gas that multi task process mode is handled
Reach waste gas emission standard, just because active carbon filter only handles seldom a part of exhaust gas, effectively improves the cleaning of processing flue gas
Degree, corresponding activated carbon dosage is considerably less, and then greatly reduces cost；It can be used for various volatilizations and semi-volatile organic matter pollution
The purified treatment of the tail gas generated in the dystopy thermal desorption repair of soil has good environmental benefit and social benefit.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of complete processing equipment of original position thermal desorption exhaust gas, which is characterized in that including the rotation being connect with thermal desorption device in situ
Wind deduster (1), the cyclone dust collectors (1) connect with the air inlet of waste gas combustion furnace (2), the waste gas combustion furnace (2) with
Exhaust gas-air heat exchanger (3) connection, the exhaust gas-air heat exchanger (3) connect with cooling tower (4), the cooling tower (4) and
Spray column (5) connection, the spray column (5) connect with bag filter (6), the bag filter (6) with it is plasma cleaning
Device (7) connection, the plasma purifier (7) connect with active carbon filter (8), the active carbon filter (8) and chimney
(9) it connects.
2. a kind of complete processing equipment of thermal desorption exhaust gas in situ according to claim 1, which is characterized in that the whirlwind removes
Dirt device (1) includes successively connecting with the air inlet of the steam (vapor) outlet of the thermal desorption device in situ and the waste gas combustion furnace (2)
Separation chamber (101), separation chamber (101) bottom end is provided with ash-falling chamber (102), the bottom end setting of the ash-falling chamber (102)
Have unloading valve (103), unloading valve (103) bottom end is provided with flue-dust retainer (104), and the bottom of the separation chamber (101) is set
It is equipped with support frame (105).
3. a kind of complete processing equipment of thermal desorption exhaust gas in situ according to claim 2, which is characterized in that the separation chamber
(101) top side is provided with the air inlet pipe (106) connecting with the steam (vapor) outlet of the thermal desorption device in situ.
4. a kind of complete processing equipment of thermal desorption exhaust gas in situ according to claim 3, which is characterized in that the separation chamber
(101) top is provided with the escape pipe (107) connecting with the air inlet of the waste gas combustion furnace (2).
5. a kind of complete processing equipment of thermal desorption exhaust gas in situ according to claim 4, which is characterized in that the separation chamber
(101) inner tip is provided with the exhaust core pipe (108) being connected with the escape pipe (107).
6. a kind of complete processing equipment of thermal desorption exhaust gas in situ according to claim 1, which is characterized in that the exhaust gas-
The side of air heat exchanger (3) is provided with the combustion fan matched with the exhaust gas-air heat exchanger (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806955.9A CN110404342A (en) | 2019-08-29 | 2019-08-29 | A kind of complete processing equipment of original position thermal desorption exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806955.9A CN110404342A (en) | 2019-08-29 | 2019-08-29 | A kind of complete processing equipment of original position thermal desorption exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110404342A true CN110404342A (en) | 2019-11-05 |
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ID=68369146
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910806955.9A Pending CN110404342A (en) | 2019-08-29 | 2019-08-29 | A kind of complete processing equipment of original position thermal desorption exhaust gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773873A (en) * | 2020-06-13 | 2020-10-16 | 广德原昊分子筛有限公司 | Ozone and waste gas integrated treatment equipment for molecular sieve production |
| CN112807933A (en) * | 2021-01-27 | 2021-05-18 | 盘锦中岐纬业生态科技有限公司 | Environment-friendly purifying equipment |
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| CN107388265A (en) * | 2017-07-17 | 2017-11-24 | 武汉都市环保工程技术股份有限公司 | A kind of organic polluted soil thermal desorption tail gas clean-up processing system and method |
| CN207445922U (en) * | 2017-09-28 | 2018-06-05 | 葛洲坝中固科技股份有限公司 | A kind of Soil Thermal desorption tail gas purifier based on low temperature plasma |
| CN109290352A (en) * | 2018-08-27 | 2019-02-01 | 深圳市环境监测中心站 | A kind of thermal desorption repair process device and method of POPs contaminated soil |
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| CN107388265A (en) * | 2017-07-17 | 2017-11-24 | 武汉都市环保工程技术股份有限公司 | A kind of organic polluted soil thermal desorption tail gas clean-up processing system and method |
| CN207445922U (en) * | 2017-09-28 | 2018-06-05 | 葛洲坝中固科技股份有限公司 | A kind of Soil Thermal desorption tail gas purifier based on low temperature plasma |
| CN109290352A (en) * | 2018-08-27 | 2019-02-01 | 深圳市环境监测中心站 | A kind of thermal desorption repair process device and method of POPs contaminated soil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773873A (en) * | 2020-06-13 | 2020-10-16 | 广德原昊分子筛有限公司 | Ozone and waste gas integrated treatment equipment for molecular sieve production |
| CN112807933A (en) * | 2021-01-27 | 2021-05-18 | 盘锦中岐纬业生态科技有限公司 | Environment-friendly purifying equipment |
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