WO2014029317A1 - Waste gas purification device - Google Patents

Waste gas purification device Download PDF

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Publication number
WO2014029317A1
WO2014029317A1 PCT/CN2013/081822 CN2013081822W WO2014029317A1 WO 2014029317 A1 WO2014029317 A1 WO 2014029317A1 CN 2013081822 W CN2013081822 W CN 2013081822W WO 2014029317 A1 WO2014029317 A1 WO 2014029317A1
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WO
WIPO (PCT)
Prior art keywords
flue gas
purification tower
adsorption purification
adsorption
washing
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PCT/CN2013/081822
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French (fr)
Chinese (zh)
Inventor
阳足开
Original Assignee
嘉禾县绿阳环保设备厂
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Publication of WO2014029317A1 publication Critical patent/WO2014029317A1/en

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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
    • B01D53/02—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
    • B01D53/04—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 with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0423—Beds in columns
    • 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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81—Solid phase processes
    • B01D53/82—Solid phase processes with stationary reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B01D2252/103—Water
    • 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

Definitions

  • the present invention relates to an exhaust gas treatment device.
  • the catering industry, the plastic products industry and the chemical industry produce a large amount of waste gas in the process of processing and production. Some of them are discharged into the atmosphere without treatment, causing pollution to the environment. Some have undergone some treatment, but the treatment effect is not good. If the catering industry does not produce a large amount of soot exhaust gas during the processing, some of the smog is discharged into the sewer, causing secondary pollution; some use the range hood, but only remove the oil component of the fumes. Other odors in the fumes are not removed, and after the discharge, the environment is still polluted; there is currently no good treatment for the waste gas produced in the plastics industry.
  • the technical proposal of the invention is an exhaust gas purifying device, which comprises a smoking cover, an exhaust fan, a flue gas washing and purifying purification tower, and a flue gas adsorption purifying tower; a pipe inlet is connected with a smoking cover, and the flue gas is washed by the exhaust fan to absorb the adsorption and wash.
  • the top of the purification tower is connected to the lower side of the flue gas adsorption purification tower at the other end; there is a discharge pipe at the top of the flue gas adsorption purification tower; the inlet pipe is connected to the upper side of the flue gas washing and purification tower, and is washed in the flue gas.
  • the bottom of the adsorption purification tower is connected with a drain pipe, and the other end of the drain pipe is inserted in the waste water tank; in the flue gas washing and purification tower, there is a flue gas washing and purifying purification tower, and the flue gas washing and purifying purification tower is simplified at both ends.
  • There is a brown wire filter there is a gravel filter layer between the brown silk filter net; in the flue gas adsorption purification tower, there is a flue gas adsorption purification tower inside, the flue gas adsorption purification tower has a filter net at both ends, in the filter There is an activated carbon adsorption layer between the nets.
  • the invention has the following technical effects: after the exhaust gas enters the flue gas washing and purifying purification tower from the smoking hood, there is a brown silk filter net at both ends of the flue gas washing and purifying purification tower, and there is a broken between the brown silk filter nets.
  • the stone filter layer removes the macromolecular pollutants in the exhaust gas by washing and adsorbing the exhaust gas, so that the macromolecular pollutants of the exhaust gas are completely removed, and then enters into the flue gas adsorption purification tower, and is removed by adsorption of the activated carbon adsorption layer. After the tank is treated, it can be reused.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a cross-sectional view of the flue gas water washing adsorption purification tower of the present invention.
  • Figure 3 is a cross-sectional view of the flue gas adsorption purification tower of the present invention.
  • an exhaust gas purifying device includes a smoking cover 1 , an exhaust fan 3 , a flue gas washing and adsorption purification tower 4 , a flue gas adsorption purification tower 7 , and a pipe 2 inlet and a smoking cover 1 .
  • the exhaust fan 3 is connected to the lower side wall of the adsorption purification tower 4 by the flue gas; the pipeline 2 between the flue gas washing adsorption purification tower 4 and the flue gas adsorption purification tower 7 is terminated with the top of the flue gas washing adsorption purification tower 4, and One end is connected to the lower side wall of the flue gas adsorption purification tower 7; at the top of the flue gas adsorption purification tower 7 is a discharge pipe 8; on the upper side of the flue gas washing and purification tower 4, an inlet pipe 5 is connected, and the flue gas is washed and adsorbed.
  • the bottom side of the purification tower 4 is connected with a drain pipe 6, and the other end of the drain pipe 6 is inserted in the waste water tank 9; in the flue gas washing and purification tower 4, there is a flue gas washing and purifying purification tower inside the simple 10, the flue gas washing and purification tower There are brown wire filter 11 at both ends of the inner simple 10, and a gravel filter layer 12 between the brown wire filter 11; in the flue gas adsorption purification tower 7, there is a flue gas adsorption purification tower inside the simple 13, flue gas adsorption purification There are filters 15 at both ends of the tower 13 and there is a filter between the filters 15 Activated carbon adsorption layer. In order to achieve a better purification effect, the flue gas washing and purification tower 4 may be two or more.
  • the invention is used in the treatment of plastic granulating tail gas, and is monitored by the Hunan Provincial Environmental Monitoring Center.
  • the monitoring results of the inlet and outlet exhaust gas are shown in the following table;
  • Styrene (mg/m 3 ) imports 202.6 189.8 182.0

Abstract

Disclosed is a waste gas purification device, comprising a flue gas suction cover, an extraction fan, a flue gas washing adsorption purification tower and a flue gas adsorption purification tower. The device has the following technical effects that a waste gas enters the flue gas washing adsorption purification tower from the flue gas suction cover, since both ends of an inner tube of the flue gas washing adsorption purification tower are provided with palm fibre filter screens and a gravel filtering layer is arranged between the palm fibre filter screens, big molecular pollutants in the waste gas are cleaned out by means of washing and adsorbing of the waste gas, so that the macromolecular pollutants of the waste gas are thoroughly cleaned out; then the waste gas enters the flue gas adsorption purification tower, the other small molecular pollutants are cleaned out by means of the adsorption of an activated carbon adsorption layer; and thus the discharge meets emission standards, and waste water out from the flue gas washing adsorption purification tower can be reused after entering a waste water tank and being treated therein.

Description

废气净化装置 技术领域  Exhaust gas purification device
本发明涉及一种废气处理装置。  The present invention relates to an exhaust gas treatment device.
背景技术 Background technique
目前餐饮行业、 塑料制品行业以及化工行业在加工生产过程中会产生大量的 废气， 有的不经过处理就排放在大气中， 给环境造成污染， 有的虽然经过一些处 理， 但处理效果不好， 达不到排放要求； 如餐饮行业在加工过程中产生大量的油 烟废气， 有的是将油烟排入下水道中， 造成二次污染； 有的虽然采用抽油烟机， 但只能清除油烟中的油成份， 对油烟废气中的其它异味却清除不了， 排放后， 仍 然给环境造成污染； 对塑料制品行业生产过程中产生的废气， 目前还没有好的处 理方法。  At present, the catering industry, the plastic products industry and the chemical industry produce a large amount of waste gas in the process of processing and production. Some of them are discharged into the atmosphere without treatment, causing pollution to the environment. Some have undergone some treatment, but the treatment effect is not good. If the catering industry does not produce a large amount of soot exhaust gas during the processing, some of the smog is discharged into the sewer, causing secondary pollution; some use the range hood, but only remove the oil component of the fumes. Other odors in the fumes are not removed, and after the discharge, the environment is still polluted; there is currently no good treatment for the waste gas produced in the plastics industry.
发明内容 Summary of the invention
本发明的目的是提供一种废气净化装置。  It is an object of the invention to provide an exhaust gas purification device.
本发明的技术方案是， 一种废气净化装置， 包括吸烟罩、 抽风机、 烟气水洗 吸附净化塔、 烟气吸附净化塔； 管道入口接吸烟罩， 经抽风机接烟气水洗吸附净 洗吸附净化塔的顶部， 另一端接烟气吸附净化塔的下侧壁； 在接烟气吸附净化塔 的顶部有排放管； 在烟气水洗吸附净化塔上侧壁接有进水管， 在烟气水洗吸附净 化塔底侧接有排水管， 排水管的另一端插在废水槽中； 在烟气水洗吸附净化塔内 有烟气水洗吸附净化塔内简， 烟气水洗吸附净化塔内简的两端有棕丝过滤网， 在 棕丝过滤网之间有碎石过滤层； 在烟气吸附净化塔内有烟气吸附净化塔内简， 烟 气吸附净化塔内简两端有过滤网， 在过滤网之间有活性炭吸附层。  The technical proposal of the invention is an exhaust gas purifying device, which comprises a smoking cover, an exhaust fan, a flue gas washing and purifying purification tower, and a flue gas adsorption purifying tower; a pipe inlet is connected with a smoking cover, and the flue gas is washed by the exhaust fan to absorb the adsorption and wash. The top of the purification tower is connected to the lower side of the flue gas adsorption purification tower at the other end; there is a discharge pipe at the top of the flue gas adsorption purification tower; the inlet pipe is connected to the upper side of the flue gas washing and purification tower, and is washed in the flue gas. The bottom of the adsorption purification tower is connected with a drain pipe, and the other end of the drain pipe is inserted in the waste water tank; in the flue gas washing and purification tower, there is a flue gas washing and purifying purification tower, and the flue gas washing and purifying purification tower is simplified at both ends. There is a brown wire filter, there is a gravel filter layer between the brown silk filter net; in the flue gas adsorption purification tower, there is a flue gas adsorption purification tower inside, the flue gas adsorption purification tower has a filter net at both ends, in the filter There is an activated carbon adsorption layer between the nets.
本发明具有如下的技术效果， 废气从吸烟罩经进入到烟气水洗吸附净化塔后， 由于烟气水洗吸附净化塔内简的两端有棕丝过滤网， 在棕丝过滤网之间有碎石过 滤层， 通过对废气水洗吸附， 清除废气中大分子污染物质， 使废气大分子污染物 质得到彻底清除， 然后进入到烟气吸附净化塔中， 通过活性炭吸附层吸附清除其 水槽进行处理后， 可二次利用。 The invention has the following technical effects: after the exhaust gas enters the flue gas washing and purifying purification tower from the smoking hood, there is a brown silk filter net at both ends of the flue gas washing and purifying purification tower, and there is a broken between the brown silk filter nets. The stone filter layer removes the macromolecular pollutants in the exhaust gas by washing and adsorbing the exhaust gas, so that the macromolecular pollutants of the exhaust gas are completely removed, and then enters into the flue gas adsorption purification tower, and is removed by adsorption of the activated carbon adsorption layer. After the tank is treated, it can be reused.
附图说明 DRAWINGS
图 1是本发明结构示意图。  Figure 1 is a schematic view of the structure of the present invention.
图 2是本发明烟气水洗吸附净化塔剖面视图。  Figure 2 is a cross-sectional view of the flue gas water washing adsorption purification tower of the present invention.
图 3是本发明烟气吸附净化塔剖面视图。  Figure 3 is a cross-sectional view of the flue gas adsorption purification tower of the present invention.
具体实施方式 detailed description
实施例  Example
如图 1、 图 2、 图 3所示， 一种废气净化装置， 包括吸烟罩 1、 抽风机 3、 烟 气水洗吸附净化塔 4、 烟气吸附净化塔 7; 管道 2入口接吸烟罩 1， 经抽风机 3接 烟气水洗吸附净化塔 4的下侧壁； 烟气水洗吸附净化塔 4与烟气吸附净化塔 7之 间的管道 2—端接烟气水洗吸附净化塔 4的顶部， 另一端接烟气吸附净化塔 7的 下侧壁； 在接烟气吸附净化塔 7的顶部有排放管 8; 在烟气水洗吸附净化塔 4上侧 壁接有进水管 5， 在烟气水洗吸附净化塔 4底侧接有排水管 6， 排水管 6的另一端 插在废水槽 9中； 在烟气水洗吸附净化塔 4内有烟气水洗吸附净化塔内简 10， 烟 气水洗吸附净化塔内简 10的两端有棕丝过滤网 11， 在棕丝过滤网 11之间有碎石 过滤层 12; 在烟气吸附净化塔 7内有烟气吸附净化塔内简 13， 烟气吸附净化塔内 简 13两端有过滤网 15， 在过滤网 15之间有活性炭吸附层。 为了达到更好的净化 效果， 烟气水洗吸附净化塔 4可以两个或两个以上。  As shown in FIG. 1 , FIG. 2 and FIG. 3 , an exhaust gas purifying device includes a smoking cover 1 , an exhaust fan 3 , a flue gas washing and adsorption purification tower 4 , a flue gas adsorption purification tower 7 , and a pipe 2 inlet and a smoking cover 1 . The exhaust fan 3 is connected to the lower side wall of the adsorption purification tower 4 by the flue gas; the pipeline 2 between the flue gas washing adsorption purification tower 4 and the flue gas adsorption purification tower 7 is terminated with the top of the flue gas washing adsorption purification tower 4, and One end is connected to the lower side wall of the flue gas adsorption purification tower 7; at the top of the flue gas adsorption purification tower 7 is a discharge pipe 8; on the upper side of the flue gas washing and purification tower 4, an inlet pipe 5 is connected, and the flue gas is washed and adsorbed. The bottom side of the purification tower 4 is connected with a drain pipe 6, and the other end of the drain pipe 6 is inserted in the waste water tank 9; in the flue gas washing and purification tower 4, there is a flue gas washing and purifying purification tower inside the simple 10, the flue gas washing and purification tower There are brown wire filter 11 at both ends of the inner simple 10, and a gravel filter layer 12 between the brown wire filter 11; in the flue gas adsorption purification tower 7, there is a flue gas adsorption purification tower inside the simple 13, flue gas adsorption purification There are filters 15 at both ends of the tower 13 and there is a filter between the filters 15 Activated carbon adsorption layer. In order to achieve a better purification effect, the flue gas washing and purification tower 4 may be two or more.
本发明在对塑料制粒尾气处理使用中， 经湖南省环境监测中心站监测， 进出 口废气监测结果见下表；  The invention is used in the treatment of plastic granulating tail gas, and is monitored by the Hunan Provincial Environmental Monitoring Center. The monitoring results of the inlet and outlet exhaust gas are shown in the following table;
监测项目 监测点位 监测结果 参考标准 非曱烷总烃 （mg/m3) 进口 6483 6707 6378 Monitoring project monitoring point monitoring results reference standard non-decane total hydrocarbons (mg/m 3 ) imports 6843 6707 6378
出口 611 163 50 120  Export 611 163 50 120
二曱苯 （mg/m3 ) 进口 333.8 331.9 304.9 Diphenylbenzene (mg/m 3 ) imports 333.8 331.9 304.9
出口 0.05 0.05 0.05 70  Export 0.05 0.05 0.05 70
苯乙烯 （mg/m3 ) 进口 202.6 189.8 182.0 Styrene (mg/m 3 ) imports 202.6 189.8 182.0
出口 0.05 0.05 0.05 3.0  Export 0.05 0.05 0.05 3.0

Claims

权 利 要 求 书  Claims
1： 一种废气净化装置， 其特征在于： 包括吸烟罩 （1 )、 抽风机 （3 )、 烟 气水洗吸附净化塔 （4)、 烟气吸附净化塔 （7); 管道 （2) 入口接吸烟罩 （1 )， 经抽风机（3 )接烟气水洗吸附净化塔（4) 的下侧壁； 烟气水洗吸附净化塔（4) 与烟气吸附净化塔 （7) 之间的管道 （2) —端接烟气水洗吸附净化塔 （4) 的顶 部， 另一端接烟气吸附净化塔 （7) 的下侧壁； 在接烟气吸附净化塔 （7) 的顶 部有排放管 （8); 在烟气水洗吸附净化塔 （4) 上侧壁接有进水管 （5)， 在烟气 水洗吸附净化塔 （4) 底侧接有排水管 （6)， 排水管 （6) 的另一端插在废水槽 (9) 中； 在烟气水洗吸附净化塔 （4) 内有烟气水洗吸附净化塔内简 （10)， 烟 气水洗吸附净化塔内简 （10) 的两端有棕丝过滤网 （11 )， 在棕丝过滤网 （11 ) 之间有碎石过滤层（12) ;在烟气吸附净化塔（7)内有烟气吸附净化塔内简（13 )， 烟气吸附净化塔内简 （13 ) 两端有过滤网 （15)， 在过滤网 （15 ) 之间有活性炭 吸附层。  1: An exhaust gas purifying device, comprising: a smoking cover (1), an exhaust fan (3), a flue gas washing adsorption purification tower (4), a flue gas adsorption purification tower (7); a pipe (2) inlet connection a smoking hood (1), which is connected to the lower side wall of the adsorption purification tower (4) by a flue gas (3); a pipe between the flue gas washing adsorption purification tower (4) and the flue gas adsorption purification tower (7) ( 2) - terminate the top of the flue gas washing adsorption purification tower (4), and connect the other end to the lower side wall of the flue gas adsorption purification tower (7); there is a discharge pipe at the top of the flue gas adsorption purification tower (7) (8) In the flue gas washing and purification tower (4), the inlet pipe (5) is connected to the upper side wall, and the drain pipe (6) is connected to the bottom side of the flue gas washing and purification tower (4), and the drain pipe (6) is additionally One end is inserted in the waste water tank (9); in the flue gas washing and purification tower (4), there is a flue gas washing and purifying purification tower inside the simple (10), and the flue gas washing and purifying purification tower has a brown at both ends (10) a wire filter (11) with a gravel filter layer (12) between the brown wire filter (11) and a smoke in the flue gas adsorption purification tower (7) In the gas adsorption purification tower, the simple (13), the flue gas adsorption purification tower has a filter (15) at both ends, and there is an activated carbon adsorption layer between the filters (15).
PCT/CN2013/081822 2012-08-22 2013-08-20 Waste gas purification device WO2014029317A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012103006744A CN102794085A (en) 2012-08-22 2012-08-22 Exhaust gas purification device
CN201210300674.4 2012-08-22

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