CN106731603A - A kind of exhaust treatment system - Google Patents
A kind of exhaust treatment system Download PDFInfo
- Publication number
- CN106731603A CN106731603A CN201611228105.8A CN201611228105A CN106731603A CN 106731603 A CN106731603 A CN 106731603A CN 201611228105 A CN201611228105 A CN 201611228105A CN 106731603 A CN106731603 A CN 106731603A
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- acid
- treatment system
- fog absorption
- gas
- Prior art date
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of exhaust treatment system, air intake device including being arranged on descaling bath edge, and acid fog absorption tower, described air intake device includes gas pipeline and blower fan, described gas pipeline, blower fan and acid fog absorption tower are sequentially connected, the wastewater outlet of the acid fog absorption tower is provided with a wastewater treatment equipment, and the gas vent of the acid fog absorption tower is provided with a demister, and the gas outlet of the demister is provided with a chimney.The present invention is processed and up to standard the acid mist gas produced during acid cleaning of steel tube, is then discharged into air again, solves the pollution problem that acid mist gas is directly discharged.
Description
Technical field
The present invention relates to steel pipe's production field, more particularly to a kind of exhaust treatment system.
Background technology
In the production process of steel pipe, many waste gas can be produced, predominantly in Pickling-shop, descaling bath is produced in acid cleaning process
Raw acid mist gas, if the gas is directly discharged, can have a strong impact on the quality of air, the biological growth in influence periphery, it is necessary to right
Waste gas could be discharged after treatment is up to standard.
The content of the invention
Regarding to the issue above, the invention provides a kind of exhaust treatment system, to the acid mist produced during acid cleaning of steel tube
Gas is processed and up to standard, is then discharged into air again.
The technical solution adopted by the present invention is：
A kind of exhaust treatment system, including the air intake device at descaling bath edge, and acid fog absorption tower are arranged on, it is described
Air intake device includes gas pipeline and blower fan, and described gas pipeline, blower fan and acid fog absorption tower are sequentially connected, and the acid mist is inhaled
The wastewater outlet for receiving tower is provided with a wastewater treatment equipment, and the gas vent of the acid fog absorption tower is provided with a demister, institute
The gas outlet for stating demister is provided with a chimney.
Preferably, alkali lye spray equipment is provided with described acid fog absorption tower, the alkali lye spray equipment spray
Liquid is the NaOH aqueous solution that mass fraction is 3-5%.
Preferably, the regulating reservoir, neutralizations-aeration tank, cistern, oblique that described wastewater treatment equipment includes being sequentially connected
Plate sedimentation basin and clear water reserviors, the water in the cistern are transported in inclined-plate clarifying basin by water pump, the inclined-plate clarifying basin
Supernatant enters clear water reserviors by pipeline self, and the sludge that the inclined-plate clarifying basin treatment is obtained is pumped into filter press by screw rod
Press filtration treatment is carried out, the press filtration water that filter press press filtration is obtained is sent into clear water reserviors by pipeline, the bottom of the neutralization-aeration tank
ABS boring aeration pipes are installed, described ABS boring aeration pipes are connected with roots blower, and described neutralization-aeration tank is provided with
One chemicals dosing plant.
Preferably, described neutralization-aeration tank includes the concrete layer of outer layer and the frp layer of internal layer, described is oblique
Plate makees orientation precipitation into battery using individual layer polypropylene hexagon cellular filler, and the aperture of individual layer polypropylene hexagon cellular filler is Φ
50。
Preferably, the chemicals dosing plant is lime or piece alkali to the medicine added in neutralization-aeration tank.
The present invention is processed and up to standard the acid mist gas produced during acid cleaning of steel tube, and air is then discharged into again
In, solve the pollution problem that acid mist gas is directly discharged.
Brief description of the drawings
Fig. 1 is workflow schematic diagram of the invention.
Specific embodiment
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment 1
As shown in figure 1, a kind of exhaust treatment system, including the air intake device at descaling bath edge is arranged on, and acid mist is inhaled
Receive tower, described air intake device includes gas pipeline and blower fan, described gas pipeline, blower fan and acid fog absorption tower phase successively
Even, the wastewater outlet of the acid fog absorption tower is provided with a wastewater treatment equipment, and the gas vent of the acid fog absorption tower is set
There is a demister, demister absorbs to acid mist remaining in gas, and the gas outlet of the demister is provided with a chimney.
Alkali lye spray equipment is provided with described acid fog absorption tower, the liquid of the alkali lye spray equipment spray is quality
Fraction is the NaOH aqueous solution of 3-5%.
Described wastewater treatment equipment includes the regulating reservoir, neutralization-aeration tank, cistern, the inclined-plate clarifying basin that are sequentially connected
And clear water reserviors, the water in the cistern is transported in inclined-plate clarifying basin by water pump, and the supernatant of the inclined-plate clarifying basin leads to
Piping gravity flow enters clear water reserviors, and the sludge that the inclined-plate clarifying basin treatment is obtained is pumped into filter press by screw rod carries out press filtration
Treatment, the press filtration water that filter press press filtration is obtained is sent into clear water reserviors by pipeline, and the bottom of the neutralization-aeration tank is provided with
ABS boring aeration pipes, described ABS boring aeration pipes are connected with roots blower, and its purpose one is the lime or piece alkali to adding
It is stirred, accelerates to neutralize speed；Two are carried out except iron, so as to can be with reuse after wastewater treatment, it is to avoid the iron ion shadow in water
Product quality is rung, described neutralization-aeration tank is provided with a chemicals dosing plant.
The concrete layer of described neutralization-aeration tank including outer layer and the frp layer of internal layer, described swash plate is into battery
Orientation precipitation is made using individual layer polypropylene hexagon cellular filler, the aperture of individual layer polypropylene hexagon cellular filler is Φ 50, is risen
Flow velocity is 0.12-0.3mm/s, surface loading 1.2m3/m2.h or so, and waste water residence time in inclined-plate clarifying basin is 3 hours.
The chemicals dosing plant is lime or piece alkali to the medicine added in neutralization-aeration tank.
Operation principle of the invention：
1st, acid mist gas enters gas pipeline in the presence of blower fan, and eventually enters into acid fog absorption tower；
2nd, the alkali lye spray equipment spray mass fraction in acid fog absorption tower is the NaOH aqueous solution of 3-5% to acid mist gas
Absorbed, the waste water after absorption carries out homogeneous and even from the wastewater outlet of acid fog absorption tower after sour saturation is inhaled into regulating reservoir
Amount, gas is discharged into demister from the gas vent of acid fog absorption tower, by entering chimney after demister demisting, is ultimately discharged into
Air；
3rd, enter neutralization-aeration tank from the waste water of regulating reservoir outflow to process, chemicals dosing plant adds lime to neutralization-aeration tank
Or piece alkali, processed 3 hours by neutralization-aeration tank；
4th, waste water it is neutralized-aeration tank treatment after, collect into cistern, then by water pump send into inclined-plate clarifying basin in
Precipitated, processed during the supernatant that obtains enters clear water reserviors by pipeline self through inclined-plate clarifying basin, sludge is pumped by screw rod
Entering filter press carries out press filtration treatment；
5th, sludge is sent into clear water reserviors by obtaining press filtration water and mud cake, press filtration water after filter press treatment by pipeline, mud
The warehouse storage of cake feeding dangerous waste, has then delivered qualification unit and has been disposed, and the water in clear water reserviors can be back to production.
Claims (5)
1. a kind of exhaust treatment system, it is characterised in that the air intake device including being arranged on descaling bath edge, and acid mist absorbs
Tower, described air intake device includes gas pipeline and blower fan, and described gas pipeline, blower fan and acid fog absorption tower are sequentially connected,
The wastewater outlet of the acid fog absorption tower is provided with a wastewater treatment equipment, and the gas vent of the acid fog absorption tower is provided with one
Demister, the gas outlet of the demister is provided with a chimney.
2. a kind of exhaust treatment system according to claim 1, it is characterised in that be provided with described acid fog absorption tower
Alkali lye spray equipment, the liquid of the alkali lye spray equipment spray is the NaOH aqueous solution that mass fraction is 3-5%.
3. a kind of exhaust treatment system according to claim 1 and 2, it is characterised in that described wastewater treatment equipment bag
Regulating reservoir, neutralization-aeration tank, cistern, inclined-plate clarifying basin and the clear water reserviors being sequentially connected are included, the water in the cistern passes through
Water pump is transported in inclined-plate clarifying basin, and the supernatant of the inclined-plate clarifying basin enters clear water reserviors, the swash plate by pipeline self
The sludge that sedimentation basin treatment is obtained is pumped into filter press by screw rod carries out press filtration treatment, and the press filtration water that filter press press filtration is obtained leads to
In piping feeding clear water reserviors, the bottom of the neutralization-aeration tank is provided with ABS boring aeration pipes, described ABS boring aerations
Pipe is connected with roots blower, and described neutralization-aeration tank is provided with a chemicals dosing plant.
4. a kind of exhaust treatment system according to claim 3, it is characterised in that described neutralization-aeration tank includes outer
The concrete layer of layer and the frp layer of internal layer, described swash plate are oriented into battery using individual layer polypropylene hexagon cellular filler
Precipitation, the aperture of individual layer polypropylene hexagon cellular filler is Φ 50.
5. a kind of exhaust treatment system according to claim 4, it is characterised in that the chemicals dosing plant is to neutralizing-aeration
The medicine added in pond is lime or piece alkali.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228105.8A CN106731603A (en) | 2016-12-27 | 2016-12-27 | A kind of exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228105.8A CN106731603A (en) | 2016-12-27 | 2016-12-27 | A kind of exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106731603A true CN106731603A (en) | 2017-05-31 |
Family
ID=58921855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611228105.8A Pending CN106731603A (en) | 2016-12-27 | 2016-12-27 | A kind of exhaust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106731603A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211741A (en) * | 2018-02-27 | 2018-06-29 | 浙江绿维环境股份有限公司 | A kind of acid mist processing system |
| CN108499321A (en) * | 2018-04-21 | 2018-09-07 | 邓建凯 | A kind of environmental protecting device for steel production |
| CN109224779A (en) * | 2018-11-19 | 2019-01-18 | 江苏中远稀土新材料有限公司 | A kind of galvanizing closed workshop zero-emission acid mist treatment device |
| CN111265999A (en) * | 2020-02-13 | 2020-06-12 | 雅化锂业(雅安)有限公司 | Acid mist waste gas treatment system for metallurgy |
| CN113856427A (en) * | 2021-09-17 | 2021-12-31 | 昱源宁海环保科技股份有限公司 | White smoke eliminating system and process |
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| CN1911829A (en) * | 2006-08-21 | 2007-02-14 | 李春放 | Treatment technology for waste water of steel iron acid cleaning |
| TWM324660U (en) * | 2007-04-25 | 2008-01-01 | Univ Nat Cheng Kung | Chemical treatment apparatus of waste hydrochloride |
| CN103537157A (en) * | 2013-10-30 | 2014-01-29 | 无锡市安捷脚手架有限公司 | Combusted waste gas treatment system for continuous casting smelting furnace |
| CN103723849A (en) * | 2013-12-31 | 2014-04-16 | 浙江东洋环境工程有限公司 | Process and device for recovering Fe(OH)2 and Na2SO4 from ferric oxide stain material wastewater concentration system |
| CN203653367U (en) * | 2013-08-30 | 2014-06-18 | 北京泰昌科睿环保科技有限公司 | Hydrochloric acid wastewater treatment equipment |
| CN204672119U (en) * | 2015-04-29 | 2015-09-30 | 中冶南方工程技术有限公司 | A kind of acid mist treatment device |
| CN105236493A (en) * | 2015-09-11 | 2016-01-13 | 厦门紫金矿冶技术有限公司 | Method for preparing hydroxyl iron oxide and semi-hydrated gypsum from acid metallurgical wastewater |
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| CN105948319A (en) * | 2016-06-13 | 2016-09-21 | 天津海普尔膜科技有限公司 | Device and technology for refining pure Fe(OH)3 from acid pickling wastewater |
| DE102015106823A1 (en) * | 2015-04-30 | 2016-11-03 | GIP Grundwasser-Ingenieurbau-Planung GmbH | Modular system and method for flexible deferrisation of water |
| CN206435029U (en) * | 2016-12-27 | 2017-08-25 | 浙江久鼎机械有限公司 | A kind of exhaust treatment system |
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2016
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1911829A (en) * | 2006-08-21 | 2007-02-14 | 李春放 | Treatment technology for waste water of steel iron acid cleaning |
| TWM324660U (en) * | 2007-04-25 | 2008-01-01 | Univ Nat Cheng Kung | Chemical treatment apparatus of waste hydrochloride |
| CN203653367U (en) * | 2013-08-30 | 2014-06-18 | 北京泰昌科睿环保科技有限公司 | Hydrochloric acid wastewater treatment equipment |
| CN103537157A (en) * | 2013-10-30 | 2014-01-29 | 无锡市安捷脚手架有限公司 | Combusted waste gas treatment system for continuous casting smelting furnace |
| CN103723849A (en) * | 2013-12-31 | 2014-04-16 | 浙江东洋环境工程有限公司 | Process and device for recovering Fe(OH)2 and Na2SO4 from ferric oxide stain material wastewater concentration system |
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| DE102015106823A1 (en) * | 2015-04-30 | 2016-11-03 | GIP Grundwasser-Ingenieurbau-Planung GmbH | Modular system and method for flexible deferrisation of water |
| CN105236493A (en) * | 2015-09-11 | 2016-01-13 | 厦门紫金矿冶技术有限公司 | Method for preparing hydroxyl iron oxide and semi-hydrated gypsum from acid metallurgical wastewater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211741A (en) * | 2018-02-27 | 2018-06-29 | 浙江绿维环境股份有限公司 | A kind of acid mist processing system |
| CN108499321A (en) * | 2018-04-21 | 2018-09-07 | 邓建凯 | A kind of environmental protecting device for steel production |
| CN109224779A (en) * | 2018-11-19 | 2019-01-18 | 江苏中远稀土新材料有限公司 | A kind of galvanizing closed workshop zero-emission acid mist treatment device |
| CN111265999A (en) * | 2020-02-13 | 2020-06-12 | 雅化锂业(雅安)有限公司 | Acid mist waste gas treatment system for metallurgy |
| CN113856427A (en) * | 2021-09-17 | 2021-12-31 | 昱源宁海环保科技股份有限公司 | White smoke eliminating system and process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170531 |