CN106237793A - A kind of single-stage double-suction receives tail gas absorber - Google Patents
A kind of single-stage double-suction receives tail gas absorber Download PDFInfo
- Publication number
- CN106237793A CN106237793A CN201610672505.1A CN201610672505A CN106237793A CN 106237793 A CN106237793 A CN 106237793A CN 201610672505 A CN201610672505 A CN 201610672505A CN 106237793 A CN106237793 A CN 106237793A
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- China
- Prior art keywords
- tail gas
- absorption tower
- tower body
- absorption
- shower nozzle
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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
- B01D53/14—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
- B01D53/14—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
- B01D53/1406—Multiple stage absorption
-
- 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
- B01D53/185—Liquid distributors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
nullThe invention belongs to tail gas absorption equipment technical field，It is specifically related to a kind of single-stage double-suction and receives device for absorbing tail gas，Including absorption tower body 11，It is arranged on the reverse jet tube 8 of absorption tower body 11 side and is positioned at the tail gas escape pipe 12 on absorption tower body 11 top，Absorption tower body 11 side is provided with primary cycle system，Primary cycle system is made up of primary cycle pump 1 and one-level shower nozzle 2，Primary cycle pump 1 one end is connected bottom absorption tower body 11，The other end is connected with one-level shower nozzle 2，In one-level shower nozzle 2 is located at the reverse jet tube 8 and direction of ejection absorbing liquid of one-level shower nozzle 2 is in face of tail gas airintake direction，Foam catching board 7 it is sequentially provided with from top to bottom in absorption tower body 11、Liquid collecting plate 9 and secondary air distribution plate 10，The present invention is by traditional single-stage tail gas absorber，Use dynamic wave counter flow washing，The working method of row outside tail gas after gas-liquid two-phase contact absorption，It is improved to single-stage double-suction and receives device for absorbing tail gas，Ensure tail gas qualified discharge，Save production cost.
Description
Technical field
The invention belongs to tail gas absorption equipment technical field, be specifically related to a kind of single-stage double-suction and receive device for absorbing tail gas.
Background technology
In recent years, atmospheric pollution is day by day serious, and country is more and more stricter to producing row's standard-required outside tail gas.Traditional tail
Gas disposal method has dry and wet technique.Wet method uses liquid-absorbant to absorb the harmful gas of tail gas, and absorption efficiency is higher,
And gas recovery can use desorption technique to reclaim, current industrial major part vent gas treatment all uses wet processing.Dry method work
Skill uses the objectionable impurities in powder or granular absorbent, catalyst absorption tail gas, and absorption efficiency is low compared with wet processing.With
As a example by SO 2 tail gas, the main active charcoal of current dry process adsorbs, and wet processing has ionic liquid absorption process, calcium hydroxide
Absorption process, sodium hydroxide absorption process etc., after process, exhaust emission standard is 400mg/m3.Industrial most employing calcium hydroxide
Absorption process, absorbance is up to more than 90%.Wet processing can meet the vent gas treatment under nominal situation, but in tail gas two
Sulfur oxide fluctuation of concentration is greatly or for accident conditions, wet processing cannot guarantee tail gas qualified discharge.Once dioxy in tail gas
Change sulfur more than 4000 mg/m3, under 90% absorbance, in outer last person's gas, sulfur dioxide concentration will be more than 400mg/m3National standard,
Two-level absorption tower need to be increased behind one section of absorption tower.Two-stage absorbs and increases equipment investment, makes occupation area of equipment increase closely
One times.
Summary of the invention
It is an object of the invention to provide.
For achieving the above object, the present invention provides following technical scheme:
A kind of single-stage double-suction receives device for absorbing tail gas, including absorption tower body 11, is arranged on the inverse spray of absorption tower body 11 side
Pipe 8 and be positioned at the tail gas escape pipe 12 on absorption tower body 11 top, absorption tower body 11 side is provided with primary cycle system, and one
Level blood circulation is made up of primary cycle pump 1 and one-level shower nozzle 2, and primary cycle pump 1 one end is connected bottom absorption tower body 11
Connecing, the other end is connected with one-level shower nozzle 2, in one-level shower nozzle 2 is located at reverse jet tube 8 and the ejection absorbing liquid of one-level shower nozzle 2
Direction is in face of tail gas airintake direction；Foam catching board 7, liquid collecting plate 9 and secondary gas distribution it is sequentially provided with from top to bottom in absorption tower body 11
Plate 10；Absorption tower body 11 opposite side is provided with secondary cycle system, and secondary cycle system is by secondary cycle pump 3 and two grades of shower nozzles 4
Composition, secondary cycle pump 3 one end is connected bottom absorption tower body 1, and the other end and two grades of shower nozzles 4 connect, and two grades of shower nozzles 4 set
Below foam catching board 7；This device also includes vehicle emission measurement system, and vehicle emission measurement system includes tail gas concentration monitoring device 5 and DCS
Module 6, tail gas concentration monitoring device 5 detects harmful gas concentration in tail gas, and tail gas concentration monitoring device 5 is by feedback signal transmission
To DCS module 6, DCS module 6 is connected with secondary cycle pump 3, when tail gas concentration monitoring device 5 detect tail gas the most up to standard or
Person exceedes setting value, and DCS module 6 is opened secondary cycle pump 3 extraction and is located at the absorbing liquid bottom absorption tower body 11 by two grades
Shower nozzle 4 sprays absorbing liquid and carries out double absorption, and double absorption liquid is converged at the bottom of absorption tower body 11 tower by liquid collecting plate 9.
Preferably, secondary air distribution plate 10 becomes 30 °～60 ° of angles settings with the tower wall of absorption tower body 11.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by traditional single-stage tail gas absorber, after using dynamic wave counter flow washing, gas-liquid two-phase contact to absorb outside tail gas
The working method of row, is improved to use single-stage double-suction to receive device for absorbing tail gas, and occupation of land 50%, gross investment saving are saved in project construction
More than 40%.In process of production, when first order absorption tail gas concentration is less than national requirements for environmental protection or less than setting value, directly arrange
Put；When first order absorption tail gas concentration is higher than national standard or setting value, two grades of absorption systems can be automatically turned on, it is ensured that tail gas reaches
Mark discharge, saves production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
In figure: 1. primary cycle pump, 2. one-level shower nozzle, 3. secondary cycle pump, 4. two grades of shower nozzles, 5. tail gas concentration monitoring device,
6.DCS module, 7. foam catching board, 8. reverse jet tube, 9. liquid collecting plate, 10. two air distribution plates, 11. absorption tower bodies, 12. tail gas are given vent to anger
Pipe.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of single-stage double-suction receives device for absorbing tail gas, including absorption tower body 11, it is arranged on absorption tower originally
The reverse jet tube 8 of body 11 side and be positioned at the tail gas escape pipe 12 on absorption tower body 11 top, absorption tower body 11 side is provided with
Primary cycle system, primary cycle system is made up of primary cycle pump 1 and one-level shower nozzle 2, primary cycle pump 1 one end and absorption tower
Being connected bottom body 11, the other end is connected with one-level shower nozzle 2, in one-level shower nozzle 2 is located at reverse jet tube 8 and one-level shower nozzle 2
The direction of ejection absorbing liquid in face of tail gas airintake direction；Foam catching board 7, liquid collecting it is sequentially provided with from top to bottom in absorption tower body 11
Plate 9 and secondary air distribution plate 10；Absorption tower body 11 opposite side is provided with secondary cycle system, and secondary cycle system is by secondary cycle pump
3 and two grades of shower nozzles 4 form, secondary cycle pump 3 one end is connected bottom absorption tower body 1, and the other end and two grades of shower nozzles 4 are even
Connecing, two grades of shower nozzles 4 are located at below foam catching board 7；This device also includes vehicle emission measurement system, and vehicle emission measurement system includes tail gas concentration
Monitoring device 5 and DCS module 6, tail gas concentration monitoring device 5 detects harmful gas concentration in tail gas, tail gas concentration monitoring device 5
By feedback signal transmission to DCS module 6, DCS module 6 is connected with secondary cycle pump 3, when tail gas concentration monitoring device 5 detects
The most up to standard to tail gas or exceed setting value, DCS module 6 is opened secondary cycle pump 3 extraction and is located at bottom absorption tower body 11
Absorbing liquid is sprayed absorbing liquid by two grades of shower nozzles 4 and is carried out double absorption, and double absorption liquid converges into absorption tower originally by liquid collecting plate 9
At the bottom of body 11 tower.
Preferably, secondary air distribution plate 10 becomes 30 °～60 ° of angles settings with the tower wall of absorption tower body 11.
The present invention is when specifically used, and tail gas to be absorbed enters from reverse jet tube 8 top, and primary cycle pump 1 is from absorption tower originally
Extraction absorbing liquid in body 11, and be pipelined to one-level shower nozzle 2 and spray, the absorbing liquid sprayed by one-level shower nozzle 2
Tail gas is carried out first order absorption, through liquid collecting plate 9 in tail gas enters absorption tower body 11, the absorbing liquid in tail gas is inhaled
Being back to after receipts in absorption tower body 11, the tail gas after first class purification is discharged by tail gas escape pipe 12, in the process, and tail gas
Tail gas to be discharged is monitored by concentration monitoring device 5, when the numerical value of tail gas monitoring is the most up to standard with predetermined value, and tail gas concentration
Information is fed back to DCS module 6 by monitoring device 5, and DCS module 6 starts to start secondary cycle pump 3, and secondary cycle pump 3 is from absorption tower
Extraction absorbing liquid in body 11, and be pipelined to two grades of shower nozzles 4 and spray, the absorption sprayed by two grades of shower nozzles 4
Liquid carries out two grades of absorptions to tail gas, and after the foam in two grades of tail gas absorbed is eliminated by foam catching board 7, tail gas up to standard leads to
Crossing tail gas escape pipe 12 to discharge, native system need not the most on duty in process of production, can be automatically obtained two grades of absorption systems
Open, stop, save human cost, reduce equipment loss, save the energy.
Claims (2)
1. single-stage double-suction receives a device for absorbing tail gas, including absorption tower body (11), is arranged on absorption tower body (11) side
Reverse jet tube (8) and be positioned at the tail gas escape pipe (12) on absorption tower body (11) top, it is characterised in that: described absorption tower
Body (11) side is provided with primary cycle system, and primary cycle system is made up of primary cycle pump (1) and one-level shower nozzle (2), and one
Level circulating pump (1) one end is connected with absorption tower body (11) bottom, and the other end is connected with one-level shower nozzle (2), one-level shower nozzle
(2) it is located in reverse jet tube (8) and the direction of ejection absorbing liquid of one-level shower nozzle (2) is in face of tail gas airintake direction；Absorption tower is originally
Foam catching board (7), liquid collecting plate (9) and secondary air distribution plate (10) it is sequentially provided with from top to bottom in body (11)；Absorption tower body (11) is another
Side is provided with secondary cycle system, and secondary cycle system is made up of secondary cycle pump (3) and two grades of shower nozzles (4), secondary cycle pump
(3) one end is connected with absorption tower body (1) bottom, and the other end and two grades of shower nozzles (4) connect, and two grades of shower nozzles (4) are located at mist eliminating
Plate (7) lower section；This device also includes vehicle emission measurement system, and vehicle emission measurement system includes tail gas concentration monitoring device (5) and DCS mould
Block (6), harmful gas concentration in tail gas concentration monitoring device (5) detection tail gas, tail gas concentration monitoring device (5) is by feedback signal
Transmission is to DCS module (6), and DCS module (6) is connected with secondary cycle pump (3), when tail gas concentration monitoring device (5) detects
Tail gas is the most up to standard or exceedes setting value, and DCS module (6) is opened secondary cycle pump (3) extraction and is located at absorption tower body (11) end
The absorbing liquid in portion is sprayed absorbing liquid by two grades of shower nozzles (4) and is carried out double absorption, and double absorption liquid is converged into by liquid collecting plate (9)
At the bottom of absorption tower body (11) tower.
2. a kind of single-stage double-suction as claimed in claim 1 receives device for absorbing tail gas, it is characterised in that: described secondary air distribution plate
(10) the tower wall with absorption tower body (11) becomes 30 °～60 ° of angles settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610672505.1A CN106237793A (en) | 2016-08-16 | 2016-08-16 | A kind of single-stage double-suction receives tail gas absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610672505.1A CN106237793A (en) | 2016-08-16 | 2016-08-16 | A kind of single-stage double-suction receives tail gas absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106237793A true CN106237793A (en) | 2016-12-21 |
Family
ID=57591962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610672505.1A Pending CN106237793A (en) | 2016-08-16 | 2016-08-16 | A kind of single-stage double-suction receives tail gas absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106237793A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008111A (en) * | 2017-05-22 | 2017-08-04 | 朱强 | Organic exhaust gas multistage cold washing condensation recycling and processing device and method |
| CN108079769A (en) * | 2017-12-21 | 2018-05-29 | 广州百海工程机械有限公司 | Exhaust gas spray cleaning device and deodoration system |
| CN110813068A (en) * | 2019-12-04 | 2020-02-21 | 武汉三立鼎兴科技有限公司 | Treatment process of phenol waste gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791463U (en) * | 2010-08-16 | 2011-04-13 | 杭州中环化工设备有限公司 | Reverse-spraying desulfurizing and dedusting device |
| CN202724940U (en) * | 2012-08-09 | 2013-02-13 | 湖南合磷化工有限公司 | High efficiency smoke purifying and washing device |
| CN203155083U (en) * | 2013-03-28 | 2013-08-28 | 尹辉 | In-tower pH value regionally-differentiated wet desulfurization device |
-
2016
- 2016-08-16 CN CN201610672505.1A patent/CN106237793A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791463U (en) * | 2010-08-16 | 2011-04-13 | 杭州中环化工设备有限公司 | Reverse-spraying desulfurizing and dedusting device |
| CN202724940U (en) * | 2012-08-09 | 2013-02-13 | 湖南合磷化工有限公司 | High efficiency smoke purifying and washing device |
| CN203155083U (en) * | 2013-03-28 | 2013-08-28 | 尹辉 | In-tower pH value regionally-differentiated wet desulfurization device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008111A (en) * | 2017-05-22 | 2017-08-04 | 朱强 | Organic exhaust gas multistage cold washing condensation recycling and processing device and method |
| CN108079769A (en) * | 2017-12-21 | 2018-05-29 | 广州百海工程机械有限公司 | Exhaust gas spray cleaning device and deodoration system |
| CN110813068A (en) * | 2019-12-04 | 2020-02-21 | 武汉三立鼎兴科技有限公司 | Treatment process of phenol waste gas |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |