CN110523248A - A kind of constant temperature, multistage exhaust treatment system - Google Patents
A kind of constant temperature, multistage exhaust treatment system Download PDFInfo
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- CN110523248A CN110523248A CN201910741106.XA CN201910741106A CN110523248A CN 110523248 A CN110523248 A CN 110523248A CN 201910741106 A CN201910741106 A CN 201910741106A CN 110523248 A CN110523248 A CN 110523248A
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- 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
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- 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
- B01D53/30—Controlling by gas-analysis apparatus
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- 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
- B01D53/75—Multi-step processes
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- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- 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
- B01D53/84—Biological processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Environmental & Geological Engineering (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of constant temperature, multistage exhaust treatment system, including greenhouse and it is set to sequentially connected raw-gas pipeline in greenhouse, scrubbing tower, biological case, knockout drum, centrifugal blower and several heaters are additionally provided in greenhouse, centrifugal blower is for driving gas processed to recycle in system, the conducting of activated carbon adsorption case is equipped in outside air, scrubbing tower for driving the NaOH solution circulating pump that lye recycles in scrubbing tower.Heater of the invention is to guarantee the normal work of links in the present embodiment present system provides suitable temperature environment, especially ensure that microorganism is in suitable environment, provide advantageous external condition for its biological decomposition.The present embodiment successively passes through washing stage, bioanalysis degradation, absorption phase to exhaust gas.Wherein the washing stage has pH value monitoring point, it is ensured that rear stage microorganism is reliable, stable operation, and exhaust gas is relatively long in the residence time in biological stage, and absorption phase ensure that the qualified discharge of gas.
Description
Technical field
The present invention relates to exhaust gas, washing, biology, absorption, petrochemical industry, environment protection field fields, and in particular to a kind of constant temperature, multistage
Section exhaust treatment system.
Background technique
Current major petrochemical plant, refinery factory, coke-oven plant, storage tank farm Deng Junyou sewage treatment plant, sewage treatment plant's surge tank,
Between inclined plate oil removing, between air bearing, coagulating basin, flocculation basin, newly-built flotation tank, the pond A/O, sludge treatment facilities etc. foul waste gas need
Carry out after closed collection through emission-control equipment handle could qualified discharge, such practical non-methane total hydrocarbons concentration of foul waste gas
Lower, main component has: sulfide, benzene homologues, Ammonia etc., and common treatment process has incineration method, washing method, plasma, light to urge
Change, absorption method, bioanalysis etc..In this context, such foul waste gas is passed through the above single technique by more enterprise customer's selection
Processing, treatment effect, which exists, is unable to that longtime running is up to standard or operating cost is high, cannot especially open in environment temperature lower than -10 DEG C
The extreme phenomenon of machine.
Northern Part of China is low in autumn and winter environment temperature, reachable -40 DEG C of limit low temperature hereinafter, more treatment process herein
Normal boot-strap operation is unable under environment, as washing system freezes, microorganism cannot survive at low temperature.
Summary of the invention
To solve deficiency in the prior art, the present invention provides a kind of constant temperature, multistage exhaust treatment system, solves existing
There is waste treatment system poor processing effect in technology, it can not be the technical issues of low temperature environment works normally.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of constant temperature, multistage exhaust treatment system, it is characterised in that: including greenhouse and be set to sequentially connected original in greenhouse
Gas pipeline, scrubbing tower, biological case, knockout drum, are additionally provided with centrifugal blower and several heaters in the greenhouse, it is described from
Heart blower is for driving gas processed to recycle in system, and the activated carbon adsorption case conducting is in outside air, the washing
Tower is equipped with for driving the NaOH solution circulating pump that lye recycles in scrubbing tower.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: the biology case is additionally provided with battalion
Nutrient solution circulating pump, the nutrient solution circulating pump is for driving nutrient solution to recycle in biological case.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: the biology case is also connected with life
Object case pH value monitor, the biology case pH value monitor connect ratio of nutrient solution tank by nutrient solution delivery pump.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: the scrubbing tower, which is additionally provided with, to be washed
Tower pH value monitor is washed, the scrubbing tower pH value monitor connects lye delivery pump, and the lye delivery pump is for matching lye
Scrubbing tower is delivered to than the lye in tank.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: it further include activated carbon adsorption case,
The outlet side of the activated carbon adsorption case connection knockout drum；Activated carbon adsorption case automatic transfer valve also in parallel, it is described
Automatic transfer valve is also connected with in-line analyzer, and the in-line analyzer connects system gas outlet.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: the centrifugal blower is connected to
The outlet side of activated carbon adsorption case.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: it further include evacuated tube, the row
Empty coupling systems for tubes gas outlet, the evacuated tube are set to outside greenhouse.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: the biology case is that second level is raw
Object case.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: the nutrient solution delivery pump is
Metering pump.
It is preferred that a kind of constant temperature above-mentioned, multistage exhaust treatment system, it is characterised in that: the lye delivery pump is meter
Amount pump.
Advantageous effects of the invention:
Heater of the invention is to guarantee the normal work of links in the present embodiment present system provides suitable temperature environment
Make, especially ensure that microorganism is in suitable environment, provide advantageous external condition for its biological decomposition.
The present embodiment successively passes through washing stage, bioanalysis degradation, absorption phase to exhaust gas.Wherein the washing stage has PH
It is worth monitoring point, monitors exhaust gas pH value concentration in real time, it is ensured that rear stage microorganism is reliable, stable operation.
Bioanalysis degradation period is different from traditional biological technique, and bioanalysis degradation uses two stage biological degradation technique, exhaust gas
Longer in the residence time in biological stage, treatment effect is more thorough, and by nutrient solution circulating pump, is used in micro- life of degradation
Object can come into full contact with nutrient solution.
Absorption phase and the chain work of on-line monitoring instrument are switched to when discharge value is higher than setting value and arrange by absorption
It puts, passes the gas through the purification of activated carbon adsorption case further progress, more effectively solve emission problem.
Detailed description of the invention
Fig. 1 is overall structure schematic diagram of the present invention；
The meaning of appended drawing reference: 1- lye proportioning tank；2- raw-gas pipeline；3- ratio of nutrient solution tank；4- lye delivery pump；5- is washed
Wash tower；6- scrubbing tower pH value monitor；7- NaOH solution circulating pump；8- biology case；9- biology case pH value monitor；10- nutrient solution follows
Ring pump；11- nutrient solution delivery pump；12- knockout drum；13- activated carbon adsorption case；14- automatic transfer valve；15- centrifugal blower；
16- in-line analyzer；17- evacuated tube；18- greenhouse；19- heater.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Present embodiment discloses a kind of constant temperature, multistage exhaust treatment system as shown in Figure 1:: including greenhouse 18 and setting
In be additionally provided in raw-gas pipeline 2 sequentially connected in greenhouse 18, scrubbing tower 5, biological case 8, knockout drum 12, greenhouse 18 from
Heart blower 15 and several heaters 19, centrifugal blower 15 is for driving gas processed to recycle in system, activated carbon adsorption case
13 conductings are equipped in outside air, scrubbing tower 5 for driving the NaOH solution circulating pump 7 that lye recycles in scrubbing tower 5.
In order to promote the effect of biological decomposition, the preferred two stage biological case of biological case 8 of the present embodiment.Biological case 8 is also connected with
Biological case pH value monitor 9, the pH value in biological 9 real-time monitoring biology case 8 of case pH value monitor, when its internal pH value is abnormal
When, just influence whether the living environment of internal microorganism, biological case pH value monitor 9 is connected by nutrient solution delivery pump 11 at this time
Ratio of nutrient solution tank 13, by the interior nutrient delivery of ratio of nutrient solution tank 13 to biological case 8.
Scrubbing tower 5 is additionally provided with scrubbing tower pH value monitor 6, and scrubbing tower pH value monitor 6 connects lye delivery pump 4, lye
Delivery pump 4 is used to the lye in lye proportioning tank 1 being delivered to scrubbing tower 5.
The present embodiment further includes activated carbon adsorption case 13, and activated carbon adsorption case 13 connects the outlet side of knockout drum 12,
Security measures of the activated carbon adsorption case 13 as terminal exhaust-gas treatment are equivalent to last one of safety measures, for further inhaling
Organic principle in attached exhaust gas.The automatic transfer valve 14 also in parallel of activated carbon adsorption case 13, the control terminal of automatic transfer valve 14 are also connected with
In-line analyzer 16, in-line analyzer 16 connect system gas outlet, and system gas outlet here refers to exhaust gas by all net
Airflow channel after change processing, the effect of in-line analyzer 16 are exactly to detect to the gas after processing, are detected whether
Compound discharge standard is just mounted at the air outlet of centrifugal blower 15 specific to the present embodiment.
Automatic transfer valve 14 is on state under normal circumstances, when its conducting, is formed to activated carbon adsorption case 13 short
Road, causes gas without activated carbon adsorption case 13, and gas after in-line analyzer 16 detects processing does not meet discharge
When standard, automatic transfer valve 14 is closed, passes the gas through the purification of 13 further progress of activated carbon adsorption case.
The centrifugal blower 15 of the present embodiment is preferably attached to the outlet side of activated carbon adsorption case 13, and centrifugal blower 15 is to whole
A offer power, centrifugal blower 15 can overcome all resistance drops of this system when working, while system is formed tiny structure, make whole
A system No leakage operation, it is ensured that system operational safety.
The present embodiment further includes evacuated tube 17, and evacuated tube 17 connects system gas outlet, and evacuated tube 17 is set to outside greenhouse 18
Portion.
When work, foul waste gas enters to scrubbing tower 5 from raw-gas pipeline 2, and the bottom of scrubbing tower 5 is equipped with lye pond, leads to
The ringing for crossing NaOH solution circulating pump 7 sprays gas by lye, the sour gas such as hydrogen sulfide in washing absorption exhaust gas
Body, while increasing the humidity in exhaust gas, when the alkalinity decline in lye pond, lye delivery pump 4 works, new lye is supplemented,
Lye delivery pump 4 is metering pump, with the chain work of pH value alarm 6, the component of the lye of accurate statistics discharge, it is ensured that lye pond
Interior lye is moderate.
Furthermore the PH of gas is discharged in scrubbing tower pH value monitor 6 and lye delivery pump 4 also strict control from scrubbing tower 5
Value, this is because pH value directly influences the living environment of microorganism (in biological case 8).
During exhaust gas passes through second level deodoration system biologic packing material in biological case 8, odor molecules therein are diffused into
On the biomembrane that biologic packing material surface is formed, microorganism is odor molecules oxygenolysis, to eliminate odor pollution；Nutrient input
Sending pump 11 is metering pump, and running parameter (flow velocity, flow) is controlled by biological case pH value monitor 9.Gas is discharged through biological case 8
It enters to knockout drum 12 later, reduces the steam in discharge exhaust gas, subsequently into cutting to activated carbon adsorption case 13 or automatically
Valve 14 is changed, is discharged through centrifugal blower 15.
The preferred hot-water heater of heater 19 of the present embodiment, heater 19 are that present system provides suitable temperature rings
Border guarantees the normal work of links in the present embodiment, especially ensure that microorganism is in suitable environment, be
Its biological decomposition provides advantageous external condition.
The present embodiment successively passes through washing stage, bioanalysis degradation, absorption phase to exhaust gas.Wherein the washing stage has PH
It is worth monitoring point (scrubbing tower pH value monitor 6), monitors exhaust gas pH value concentration in real time, it is ensured that rear stage microorganism is reliable, stablizes fortune
Row.
Bioanalysis degradation period is different from traditional biological technique, and bioanalysis degradation uses two stage biological degradation technique, exhaust gas
Longer in the residence time in biological stage, treatment effect is more thorough, and by nutrient solution circulating pump 10, is used in the micro- of degradation
Biology can come into full contact with nutrient solution.
Absorption phase and on-line monitoring instrument (in-line analyzer 16) chain work switch when discharge value is higher than setting value
To by absorption (activated carbon adsorption case 13) discharge, the purification of 13 further progress of activated carbon adsorption case is passed the gas through.More effectively
Ground solves emission problem.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of constant temperature, multistage exhaust treatment system, it is characterised in that: including greenhouse (18) and be set to suitable in greenhouse (18)
The raw-gas pipeline (2) of secondary connection, scrubbing tower (5), biological case (8), knockout drum (12), the greenhouse (18) is interior to be additionally provided with
Centrifugal blower (15) and several heaters (19), the centrifugal blower (15) are used to that gas processed to be driven to recycle in system,
In outside air, the scrubbing tower (5) is equipped with for driving scrubbing tower (5) interior lye to follow for activated carbon adsorption case (13) conducting
The NaOH solution circulating pump (7) of ring.
2. a kind of constant temperature according to claim 1, multistage exhaust treatment system, it is characterised in that: the biology case (8)
It is additionally provided with nutrient solution circulating pump (10), the nutrient solution circulating pump (10) is for driving nutrient solution circulation in biological case (8).
3. a kind of constant temperature according to claim 1 or 2, multistage exhaust treatment system, it is characterised in that: the biology case
(8) it is also connected with biological case pH value monitor (9), the biology case pH value monitor (9) is connected by nutrient solution delivery pump (11)
Ratio of nutrient solution tank (13).
4. a kind of constant temperature according to claim 1, multistage exhaust treatment system, it is characterised in that: the scrubbing tower (5)
It is additionally provided with scrubbing tower pH value monitor (6), the scrubbing tower pH value monitor (6) connects lye delivery pump (4), and the lye is defeated
Send pump (4) for the lye in lye proportioning tank (1) to be delivered to scrubbing tower (5).
5. a kind of constant temperature according to claim 1, multistage exhaust treatment system, it is characterised in that: further include active carbon
Adsorption box (13), the outlet side of activated carbon adsorption case (13) connection knockout drum (12)；The activated carbon adsorption case
(13) automatic transfer valve (14) also in parallel, the automatic transfer valve (14) are also connected with in-line analyzer (16), the on-line analysis
Instrument (16) connects system gas outlet.
6. a kind of constant temperature according to claim 5, multistage exhaust treatment system, it is characterised in that: the centrifugal blower
(15) it is connected to the outlet side of activated carbon adsorption case (13).
7. a kind of constant temperature according to claim 1, multistage exhaust treatment system, it is characterised in that: further include evacuated tube
(17), the evacuated tube (17) connects system gas outlet, and it is external that the evacuated tube (17) is set to greenhouse (18).
8. a kind of constant temperature according to claim 1 or 2, multistage exhaust treatment system, it is characterised in that: the biology case
It (8) is two stage biological case.
9. a kind of constant temperature according to claim 3, multistage exhaust treatment system, it is characterised in that: the nutrient input
Sending pump (11) is metering pump.
10. a kind of constant temperature according to claim 4, multistage exhaust treatment system, it is characterised in that: the lye conveying
Pumping (4) is metering pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910741106.XA CN110523248A (en) | 2019-08-12 | 2019-08-12 | A kind of constant temperature, multistage exhaust treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910741106.XA CN110523248A (en) | 2019-08-12 | 2019-08-12 | A kind of constant temperature, multistage exhaust treatment system |
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| CN110523248A true CN110523248A (en) | 2019-12-03 |
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| CN201910741106.XA Pending CN110523248A (en) | 2019-08-12 | 2019-08-12 | A kind of constant temperature, multistage exhaust treatment system |
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2019
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| JP2013027817A (en) * | 2011-07-28 | 2013-02-07 | National Agriculture & Food Research Organization | Method and apparatus for leveling odor quantity |
| KR20140096806A (en) * | 2013-01-29 | 2014-08-06 | (주)파인텍 | The separation and recycling system for a perfluoro compounds that have a separation fillter heating equipment |
| CN106345253A (en) * | 2016-11-18 | 2017-01-25 | 广西金邦泰科技有限公司 | Waste gas treatment device |
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Application publication date: 20191203 |