CN107694311A - It is a kind of to be used for the purifier containing sour gas - Google Patents
It is a kind of to be used for the purifier containing sour gas Download PDFInfo
- Publication number
- CN107694311A CN107694311A CN201710882652.6A CN201710882652A CN107694311A CN 107694311 A CN107694311 A CN 107694311A CN 201710882652 A CN201710882652 A CN 201710882652A CN 107694311 A CN107694311 A CN 107694311A
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- China
- Prior art keywords
- tower body
- acid gas
- gas
- tower
- acid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
It is used for the purifier containing sour gas the invention discloses a kind of, including first and second tower body, first tower body is provided with acid gas access tube, connected between first tower body and the second tower body by blower fan, bottom inside second tower body is provided with collecting tank, alkalies is loaded with collecting tank, access has circulating pump II at the bottom of second tower body, circulating pump II is led to inside the second tower body at top by liquid feeding pipeline, the top of second tower body is provided with exhaust pipe, and the bottom even of the second tower body is distributed some sewage draining exits;Second tower body is provided with demisting layer inside it at top, and at least two acid gas absorbed layers are distributed with the second tower body stage casing, cavernous body is filled with acid gas absorbed layer, alkalies is soaked with cavernous body, the exit of the upper end of liquid feeding pipeline connects an atomizer by support.The present invention makes acid waste gas fully be neutralized, has further purified acid gas, so as to the emission request that is up to state standards by neutralisation treatment twice.
Description
Technical field
It is more particularly to a kind of to be used for the purifier containing sour gas the present invention relates to waste gas purification treatment technology.
Background technology
The equipment for carrying out treatment and purification to acid mist in the prior art is acid mist purifying tower, and traditional acid mist purifying tower includes tower
Body, the hopper for containing storage acid mist neutralizer is provided with the bottom of tower body, and the top that the bottom of tower body is located at the hopper is set
Air inlet is equipped with, purified gas outlet is provided with the top of tower body, at least one section is provided with above hopper in tower body
Acid mist dry load layer, every section of acid mist dry load layer top are correspondingly arranged on a shower, and the shower passes through pump liquid group
Part connects with the hopper.This mode can only carry out absorption cleaning by packing layer and shower to acid mist, due to filling out
The absorbability of the bed of material and the spray pressure of shower and neutralizer concentration are fixed, and it is insufficient to there is purification in purification process
Deficiency, and this traditional acid mist purifying tower be straight tube structure, during acid mist gas circulates from bottom to top, acid mist
Condensation effect it is bad, often acid mist is not just discharged also completely, and clean-up effect is bad.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of be used for the purifier containing sour gas, in the acid gas
Acid waste gas can be further purified with tower, reduces environmental pollution.
To achieve the above object, the present invention provides following technical scheme:A kind of purification dress being used for containing sour gas
Put, including the first tower body, first tower body are provided with acid gas access tube, the end of acid gas access tube, which is accessed inside the first tower body, to be leaned on
At nearly bottom, spray equipment is provided with the first tower body, spray equipment accesses absorbing liquid, in addition to the second tower body by circulating pump I,
Second tower body is located at the side of the first tower body, is connected between the first tower body and the second tower body by blower fan, blower fan inlet end
It is connected by pipeline with the top of the first tower body, outlet side is led to inside the second tower body at bottom by another pipeline, institute
State the bottom inside the second tower body and be provided with collecting tank, alkalies is loaded with collecting tank, liquid collecting is led in the outlet side of the blower fan
Being accessed below the liquid level of groove, at the bottom of the second tower body has circulating pump II, and one end of the circulating pump II is in the second tower body
Portion is at bottom, and the other end is led to inside the second tower body at top by liquid feeding pipeline, and the top of the second tower body is provided with
Exhaust pipe, the bottom even of second tower body are distributed some sewage draining exits;Second tower body is set inside it at top
There is demisting layer, and the stage casing of the inside of the second tower body is uniformly distributed with least two acid gas absorbed layers, and the acid gas absorbs
For layer in distribution up and down, the acid gas absorbed layer is interior to be filled with cavernous body, and alkalies, and the acid gas are soaked with the cavernous body
The both sides up and down of absorbed layer are provided with the stomata for being used for gas flowing;The upper-end part of driving of the liquid feeding pipeline is inhaled in the acid gas of the superiors
Receive above layer, and one atomization is connected by support positioned at the lower section of demisting layer, the exit of the upper end of the liquid feeding pipeline
Device, the atomizer include high pressure feed tube, and one end of the high pressure feed tube is connected with liquid feeding pipeline, and the other end increases with turbine
The air inlet connection of depressor, the discarded air inlet of the turbocharger pass the second tower body and are connected with pressure ventilation pipe, and described
The gas outlet connection drain pipe of turbocharger, is provided with compressor impeller on the impeller shaft of turbocharger, it is described go out liquid
The outlet end of pipe connects the first shower nozzle;One is equipped with above each acid gas absorbed layer and ranked second shower nozzle, second spray
Head is connected by the stage casing of nozzle and liquid feeding pipeline respectively;The side wall of first, second tower body is provided with overflow pipe.
Preferably, alkalies liquid supplementation pipe is accessed in the bottom of first and second tower body.
Preferably, the inside of the second tower body is between two adjacent acid gas absorbed layers and undermost acid gas absorbed layer
Deflector is respectively arranged below with, the deflector is diagonally downward.
Preferably, the angle of inclination of deflector is 30 °.
Preferably, the madial wall of the second tower body is provided with acidity-basicity sensor at top, and the acidity-basicity sensor leads to
Cross anticorrosion wire and be connected with the display screen being located on the second tower body outer wall.
Preferably, first, second tower body height is identical.
Using above-mentioned technical proposal, the acid waste gas treated by the first tower body, a part of acid waste gas is first neutralized,
Unneutralized acid gas is entered by pump machine again second of neutralisation treatment is carried out in the second tower body, when reducing secondary neutralization
Acid gas concentration, improve the detergent power of purifying column.Acid gas absorbed layer in second tower body absorbs the acid gas by stomata, makes
Neutralization reaction occurs for the alkalies of acid gas and cavernous body, is then instilled by cooling from new in collecting tank, by neutralization repeatedly
Afterwards, gas enters the top of acid gas absorbed layer, and the alkalescence by atomizer atomization is equally contained in the top of acid gas absorbed layer
Liquid, before gas discharges the second tower body, by multiple neutralization reaction, the acid gas in waste gas is thoroughly purified.The present invention passes through
Neutralisation treatment twice, acid waste gas is fully neutralized, further purified acid gas, so as to reduce environmental pollution.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the second housing structure schematic diagram of the present invention;
Fig. 3 is the structural representation of the turbocharger in the present invention.
Embodiment
Below in conjunction with the accompanying drawings, by the description to embodiment, the present invention will be further described:
As Figure 1-3, the present invention is a kind of is used for the purifier containing sour gas, including the first tower body 1, the second tower body 4,
First, second tower body 1,4 is highly identical.First tower body 1 is provided with acid gas access tube 2, and the first tower is accessed in the end of acid gas access tube 2
The inside of body 1 is provided with spray equipment at bottom in the first tower body 1, spray equipment accesses absorbing liquid by circulating pump I 3, the
First, the side wall of the second tower body 1,4 is provided with overflow pipe 13.
Second tower body 4 is located at the side of the first tower body 1, is connected between the first tower body 1 and the second tower body 4 by blower fan 5, wind
The inlet end of machine 5 is connected by pipeline with the top of the first tower body 1, and outlet side is led to the inside of the second tower body 4 by another pipeline and leaned on
At nearly bottom.
Bottom inside second tower body 4 is provided with collecting tank 8, is loaded with alkalies in collecting tank 8, the outlet side of blower fan 5 leads to
Being accessed to below the liquid level of collecting tank 8, at the bottom of the second tower body 4 has circulating pump II 6, and one end of circulating pump II 6 is located at second
The inside of tower body 4 is at bottom, and the other end leads to the inside of the second tower body 4 at top by liquid feeding pipeline 61, the second tower body 4
Top be provided with exhaust pipe 10, the bottom even of the second tower body 4 is distributed some sewage draining exits 11.
Second tower body 4 is provided with demisting layer 12 inside it at top, and the stage casing of the inside of the second tower body 4 is uniform
Be distributed with least two acid gas absorbed layers 41, acid gas absorbed layer 41 is filled with sponge in distribution up and down in acid gas absorbed layer 41
Body 42, alkalies is soaked with cavernous body 42, and the both sides up and down of acid gas absorbed layer 41 are provided with the stomata for being used for gas flowing.
The upper-end part of driving of liquid feeding pipeline 61 is located at the lower section of demisting layer 12 above the acid gas absorbed layer 41 of the superiors,
The exit of the upper end of liquid feeding pipeline 61 connects an atomizer by support 7, and atomizer includes high pressure feed tube 71, high pressure
One end of feed tube 71 is connected with liquid feeding pipeline 61, and the other end is connected with the air inlet of turbocharger 72, turbocharger 72
Discarded air inlet pass the second tower body 4 and be connected with pressure ventilation pipe, and the gas outlet connection drain pipe 73 of turbocharger 72, whirlpool
Take turns and compressor impeller is installed on the impeller shaft of booster 7, the outlet end of drain pipe 73 connects the first shower nozzle 91.
The top of each acid gas absorbed layer 41 of the present invention is equipped with one and ranked second shower nozzle 92 in addition, and the second shower nozzle 92 is distinguished
It is connected by nozzle 17 with the stage casing of liquid feeding pipeline 61, for carrying out supplement alkalies to cavernous body 42.
The acid waste gas that the present invention treats by the first tower body 1, entered by blower fan 5 in the second tower body 4 and carry out the
Secondary neutralisation treatment, by neutralisation treatment twice, acid waste gas is fully neutralized, further purified acid gas, so as to drop
Low environment pollutes.
The present invention is equal in the bottom of first and second tower body 1,4 in order to ensure the abundance of the alkalies in first and second tower body 1,4
Access alkalies liquid supplementation pipe 14.In addition, the inside of the second tower body 4 is between two adjacent acid gas absorbed layers 41 and orlop
Acid gas absorbed layer 41 be respectively arranged below with deflector 15, deflector 15 diagonally downward, and with horizontal plane angle in 30 ° of inclinations,
The setting of deflector 15, can also be voluntarily to useless in the guiding fluid collecting tank 8 after can not only acid gas absorbed layer 41 be cooled down
Gas carries out condensing reflux, ensures that waste gas carries out sufficient neutralization reaction.
The present invention can also be provided with acidity-basicity sensor, the acid-base value in the madial wall of the second tower body 4 at top
Sensor is connected by anticorrosion wire with the display screen 16 being located on the outer wall of the second tower body 4, in order to observe discharge at any time
The acid-base value of waste gas.
The acid waste gas that the present invention treats by the first tower body 1, the acid waste gas of a part is first neutralized, then will be unneutralized
Acid gas entered by blower fan 5 second of neutralisation treatment carried out in second tower body 4, acid gas when reducing secondary neutralization is dense
Degree, improve the detergent power of purifying column.Acid gas absorbed layer 41 in second tower body 4 absorbs the acid gas by stomata, makes acid
Neutralization reaction occurs for the alkalies of gas and cavernous body 42, is then instilled by cooling from new in collecting tank 8, by neutralization repeatedly
Afterwards, gas enters the top of acid gas absorbed layer 41, and the top of acid gas absorbed layer 41 is equally contained by atomizer atomization
Alkalies, before gas discharges the second tower body 4, by multiple neutralization reaction, the acid gas in waste gas is thoroughly purified.
The present invention makes acid waste gas fully be neutralized, has further purified acid gas, so as to drop by neutralisation treatment twice
Low environment pollutes.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of be used for the purifier containing sour gas, including the first tower body(1), first tower body(1)Provided with acid gas
Access tube(2), acid gas access tube(2)End access the first tower body(1)At internal close bottom, the first tower body(1)Inside it is provided with
Spray equipment, spray equipment pass through circulating pump I(3)Access absorbing liquid, it is characterised in that:Also include the second tower body(4), described
Two tower bodies(4)Located at the first tower body(1)Side, the first tower body(1)With the second tower body(4)Between pass through blower fan(5)Connection, wind
Machine(5)Inlet end passes through pipeline and the first tower body(1)Top connection, the second tower body is led in outlet side by another pipeline(4)
At internal close bottom, second tower body(4)Internal bottom is provided with collecting tank(8), collecting tank(8)Inside it is loaded with alkalescence
Liquid, the blower fan(5)Outlet side lead to collecting tank(8)Liquid level below, the second tower body(4)Bottom at access have circulating pump
Ⅱ(6), the circulating pump II(6)One end be located at the second tower body(4)At internal close bottom, the other end passes through liquid feeding pipeline
(61)Lead to the second tower body(4)At internal close top, the second tower body(4)Top be provided with exhaust pipe(10), described
Two tower bodies(4)Bottom even be distributed some sewage draining exits(11);
Second tower body(4)Inside it demisting layer is provided with top(12), and the second tower body(4)Inside stage casing it is equal
Even is distributed with least two acid gas absorbed layers(41), the acid gas absorbed layer(41)In upper and lower distribution, the acid gas absorbed layer
(41)It is interior to be filled with cavernous body(42), the cavernous body(42)Inside it is soaked with alkalies, and the acid gas absorbed layer(41)It is upper
Lower both sides are provided with the stomata for being used for gas flowing;
The liquid feeding pipeline(61)Upper-end part of driving in the acid gas absorbed layer of the superiors(41)Top, and it is located at demisting layer(12)'s
Lower section, the liquid feeding pipeline(61)The exit of upper end pass through support(7)An atomizer is connected, the atomizer includes
High pressure feed tube(71), the high pressure feed tube(71)One end and liquid feeding pipeline(61)Connection, the other end and turbocharger
(72)Air inlet connection, the turbocharger(72)Discarded air inlet pass the second tower body(4)It is connected with pressure ventilation pipe, and
And the turbocharger(72)Gas outlet connection drain pipe(73), turbocharger(7)Impeller shaft on pressure is installed
Compressor wheel, the drain pipe(73)Outlet end connect the first shower nozzle(91);
Each acid gas absorbed layer(41)Top be equipped with one and ranked second shower nozzle(92), second shower nozzle(92)Lead to respectively
Cross nozzle(17)With liquid feeding pipeline(61)Stage casing connection;
First, second tower body(1、4)Side wall be provided with overflow pipe(13).
2. according to claim 1 be used for the purifier containing sour gas, it is characterised in that:First and second tower
Body(1、4)Bottom access alkalies liquid supplementation pipe(14).
3. according to claim 2 be used for the purifier containing sour gas, it is characterised in that:Second tower body
(4)Inside in two adjacent acid gas absorbed layers(41)Between and undermost acid gas absorbed layer(41)It is respectively arranged below with
Deflector(15), the deflector(15)Diagonally downward.
4. according to claim 3 be used for the purifier containing sour gas, it is characterised in that:The deflector(15)
Angle of inclination be 30 °.
5. it is used for the purifier containing sour gas according to any one of claim 1 ~ 4, it is characterised in that:It is described
Second tower body(1)Madial wall acidity-basicity sensor is provided with top, the acidity-basicity sensor passes through anticorrosion wire
With being located at the second tower body(1)Display screen on outer wall(16)Connection.
6. according to claim 1 be used for the purifier containing sour gas, it is characterised in that:Described first, second
Tower body(1、4)It is highly identical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710882652.6A CN107694311A (en) | 2017-09-26 | 2017-09-26 | It is a kind of to be used for the purifier containing sour gas |
Applications Claiming Priority (1)
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CN201710882652.6A CN107694311A (en) | 2017-09-26 | 2017-09-26 | It is a kind of to be used for the purifier containing sour gas |
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CN107694311A true CN107694311A (en) | 2018-02-16 |
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CN201710882652.6A Pending CN107694311A (en) | 2017-09-26 | 2017-09-26 | It is a kind of to be used for the purifier containing sour gas |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110975552A (en) * | 2019-12-11 | 2020-04-10 | 陈嘉斌 | Organic waste gas processor based on ethyl acetate and used for lining extraction, neutralization and ester scraping |
CN113847430A (en) * | 2021-09-16 | 2021-12-28 | 宣达实业集团有限公司 | Sour gas self-sealing system |
CN115448404A (en) * | 2022-09-28 | 2022-12-09 | 安徽华尔泰化工股份有限公司 | Low-temperature flue gas evaporation and concentration treatment device for acidic wastewater |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ293501B6 (en) * | 1994-05-11 | 2004-05-12 | Babcock@Hitachiákabushikiákaisha | Wet-type flue gas desulfurization method and apparatus for making the same |
CN204447722U (en) * | 2015-02-28 | 2015-07-08 | 寻乌县恒源科技开发有限公司 | Acid mist purifying tower |
CN204637955U (en) * | 2015-03-30 | 2015-09-16 | 浙江新华涂料有限责任公司 | A kind of acid tail gas absorption tower |
CN205252844U (en) * | 2015-12-09 | 2016-05-25 | 安徽中泰创展环境科技有限公司 | Novel desulfurization tower |
CN206198983U (en) * | 2016-06-14 | 2017-05-31 | 重庆龙健金属制造有限公司 | A kind of acid gas neutralizing tower |
-
2017
- 2017-09-26 CN CN201710882652.6A patent/CN107694311A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ293501B6 (en) * | 1994-05-11 | 2004-05-12 | Babcock@Hitachiákabushikiákaisha | Wet-type flue gas desulfurization method and apparatus for making the same |
CN204447722U (en) * | 2015-02-28 | 2015-07-08 | 寻乌县恒源科技开发有限公司 | Acid mist purifying tower |
CN204637955U (en) * | 2015-03-30 | 2015-09-16 | 浙江新华涂料有限责任公司 | A kind of acid tail gas absorption tower |
CN205252844U (en) * | 2015-12-09 | 2016-05-25 | 安徽中泰创展环境科技有限公司 | Novel desulfurization tower |
CN206198983U (en) * | 2016-06-14 | 2017-05-31 | 重庆龙健金属制造有限公司 | A kind of acid gas neutralizing tower |
Non-Patent Citations (2)
Title |
---|
王丽萍: "《大气污染控制工程》", 31 August 2012, 中国矿业大学出版社 * |
邵强等: "《职业病危害卫生工程控制技术及识图》", 31 March 2013, 中国环境出版社 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110975552A (en) * | 2019-12-11 | 2020-04-10 | 陈嘉斌 | Organic waste gas processor based on ethyl acetate and used for lining extraction, neutralization and ester scraping |
CN113847430A (en) * | 2021-09-16 | 2021-12-28 | 宣达实业集团有限公司 | Sour gas self-sealing system |
CN113847430B (en) * | 2021-09-16 | 2023-09-12 | 宣达实业集团有限公司 | Sour gas self-sealing system |
CN115448404A (en) * | 2022-09-28 | 2022-12-09 | 安徽华尔泰化工股份有限公司 | Low-temperature flue gas evaporation and concentration treatment device for acidic wastewater |
CN115448404B (en) * | 2022-09-28 | 2023-10-20 | 安徽华尔泰化工股份有限公司 | Low-temperature flue gas evaporation concentration treatment device for acidic wastewater |
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Application publication date: 20180216 |