CN102772987B - Waste gas oxidation treatment system - Google Patents

Waste gas oxidation treatment system Download PDF

Info

Publication number
CN102772987B
CN102772987B CN201210257984.2A CN201210257984A CN102772987B CN 102772987 B CN102772987 B CN 102772987B CN 201210257984 A CN201210257984 A CN 201210257984A CN 102772987 B CN102772987 B CN 102772987B
Authority
CN
China
Prior art keywords
layer
tower
oxidation
outlet
treatment system
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.)
Active
Application number
CN201210257984.2A
Other languages
Chinese (zh)
Other versions
CN102772987A (en
Inventor
韩以波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Longtai environmental protection equipment manufacturing Co., Ltd.
Original Assignee
XUZHOU LONGTAI OZONE EQUIPMENT MANUFACTURING CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XUZHOU LONGTAI OZONE EQUIPMENT MANUFACTURING CO LTD filed Critical XUZHOU LONGTAI OZONE EQUIPMENT MANUFACTURING CO LTD
Priority to CN201210257984.2A priority Critical patent/CN102772987B/en
Publication of CN102772987A publication Critical patent/CN102772987A/en
Application granted granted Critical
Publication of CN102772987B publication Critical patent/CN102772987B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention discloses a waste gas oxidation treatment system which comprises an ozone generator. A demisting layer, a spray layer, a packing layer and an aeration layer are arranged in an oxidation spray tower from top to bottom, the aeration layer consists of a plurality of aeration disks, an ozone outlet of the ozone generator is communicated with the aeration layer in the oxidation spray tower, a plurality of packing layers are arranged in a catalytic oxidation tower, main packing includes catalysts, and a demisting layer, a spray layer and a packing layer are arranged in an acid-base neutralization tower from top to bottom. Compared with the prior art, the waste gas oxidation treatment system is more thorough in waste gas treatment, better in effect and lower in cost.

Description

A kind of off-gas oxidizing treatment system
Technical field
The present invention relates to a kind of exhaust treatment system, particularly relate to a kind of off-gas oxidizing treatment system.
Background technology
The industries such as chemical industry, pharmacy, food, papermaking, chemical fertilizer, printing and dyeing, spraying, iron and steel, garbage disposal all can produce organic exhaust gas and inorganic waste gases in process of production, be discharged in atmosphere, the quality that can have a strong impact on atmosphere, causes severe contamination to surrounding environment.
In prior art, system for the treatment of waste gas comprises end to end waste gas enclosed area, catalytic oxidation spray column, acidic oxidation spray column, alkaline neutralizing tower and high pressure positive blower, in catalytic oxidation spray column, acidic oxidation spray column and alkaline neutralizing tower, be respectively equipped with the air cleaner that catalytic oxidant, acid reagent and alkaline reagent are housed, waste gas out enters this system in waste gas enclosed area, after catalytic oxidation, washing neutralization, through high-pressure unit, discharge.Its shortcoming is as follows: the oxidation catalyst of employing is hydrogen peroxide, and hydrogen peroxide is the aqueous solution of hydrogen peroxide, and its oxidizing potential is 0.87, and oxidisability is limited, and treatment effect is limited; In addition hydrogen peroxide can not be self-sufficient, needs to buy, and whole system use amount is larger, and processing cost is high; In order to strengthen the effect of processing, adopt a plurality of catalytic oxidation sprinkling equipments, can make equipment investment increase, business efficiency reduces.
Summary of the invention
The object of this invention is to provide a kind of off-gas oxidizing treatment system, more thorough to exhaust-gas treatment, better effects if, cost is lower.
For achieving the above object, the technical solution used in the present invention is:
A kind of off-gas oxidizing treatment system of the present invention, comprise gas sampling district, oxidation spray column, catalytic oxidation tower, acid-base neutralization tower, exhaust blower and chimney, the waste gas outlet in gas sampling district is communicated with the import of oxidation spray column by exhaust tube, and the outlet of oxidation spray column is communicated with the import of catalytic oxidation tower by exhaust tube; The outlet of catalytic oxidation tower is communicated with the import of acid-base neutralization tower by exhaust tube, the outlet of acid-base neutralization tower is communicated with the entrance of exhaust blower by blast pipe, the outlet of exhaust blower is communicated with the entrance of chimney, the outlet of chimney is in communication with the outside, also comprise ozone generator, in described oxidation spray column, be from top to bottom provided with demist layer, spraying layer, packing layer and aeration layer, aeration layer consists of some aeration plates, and the ozone outlet of ozone generator communicates with the aeration layer in oxidation spray column; Some packing layers are set in catalytic oxidation tower, and main stuffing thing is catalyst; In acid-base neutralization tower, be from top to bottom provided with demist layer, spraying layer and packing layer.
Compared with the existing technology, owing to being provided with ozone generator and aeration layer, by ozone generator, to the aeration plate of tower bottom, pass into ozone, ozone can be self-sufficient, without adding by purchase, therefore processing cost reduced greatly; In addition ozone has higher strong oxidizing property, and oxidizing potential is 2.07, and ozone produces elemental oxygen under catalysis state, and the oxidizing potential of elemental oxygen is 2.42, so the oxidation processes better effects if of ozone; Also, because oxidation spray column and acid-base neutralization tower all comprise the sandwich construction of demist layer, spraying layer, packing layer and aeration layer, so reduced the input of equipment when improving treatment effect, economic benefit is higher; And the catalytic oxidation process of native system need not spray, use catalyst and the ozone reaction of solid to carry out catalysis to waste gas, catalyst once adds effectively lifelong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, gas sampling district, 2, oxidation spray column, 3, catalytic oxidation tower, 4, acid-base neutralization tower, 5, exhaust blower, 6, ozone generator.
The specific embodiment
Under below in conjunction with drawings and Examples, the present invention will be described.
As shown in Figure 1, a kind of off-gas oxidizing treatment system of the present invention, comprise gas sampling district 1, oxidation spray column 2, catalytic oxidation tower 3, acid-base neutralization tower 4, exhaust blower 5 and chimney, in oxidation spray column 2, be from top to bottom provided with demist layer, spraying layer, packing layer and aeration layer, aeration layer consists of some aeration plates, the ozone outlet of ozone generator 6 communicates with the aeration layer in oxidation spray column 2, the waste gas outlet in gas sampling district 1 is communicated with the import of oxidation spray column 2 by exhaust tube, the outlet of oxidation spray column 2 is communicated with catalytic oxidation tower 3 with the import of catalytic oxidation tower 3 outlet by exhaust tube is communicated with the import of acid-base neutralization tower 4 by exhaust tube, the outlet of acid-base neutralization tower 4 is communicated with the entrance of exhaust blower 5 by blast pipe, the outlet of exhaust blower 5 is communicated with the entrance of chimney, the outlet of chimney is in communication with the outside, also comprise ozone generator 6, catalytic oxidation tower 3 is interior arranges some packing layers, and main stuffing thing is catalyst, in acid-base neutralization tower 4, be from top to bottom provided with demist layer, spraying layer and packing layer, packing layer main stuffing thing is alkaline reagent, and the PH of spray liquid is about 9-10.
Described spraying layer and packing layer can be established several, guarantee treatment effect better, more thorough.
The present embodiment is preferentially selected, and described ozone generator 6 is for to utilize positive high voltage ionized air to produce the positive charge ozone generator of positively charged ozone; Described catalyst is the mixture of multiple metal oxide containing precious metals, and such configuration makes the effect of exhaust-gas treatment best.
In the water spraying for the first time, add oxidation accelerator, oxidation accelerator forms oxidation promotion film on inside and the packing layer top layer of tower body, once adds, effective throughout one's life.
The course of work of oxidation spray column 2: the positive charge ozone that positive charge ozone generator 2 is produced is passed in aeration plate, when spraying for the first time, add oxidation accelerator, waste gas is passed into by the air inlet 6 of bottom, side, processes gas later and is flowed out by tower top end exhaust outlet.
Ozone generator 6 utilizes positive high voltage ionized air to produce positive charge ozone (O 3 +), then by positive charge ozone (O 3 +) squeeze into aeration plate, make it to mix with the water of tower bottom.In the process of spray, positive charge ozone (O 3 +) under the effect of oxidation accelerator, forming a large amount of hydroxyl (OH), hydroxyl (OH) has extremely strong oxidability, and its oxidizing potential is 2.8, is only second to the fluorine that occurring in nature oxidizing potential is the strongest (oxidizing potential of fluorine is 2.87).In advanced oxidation decomposes, positive charge ozone (O 3 +) participating in directly reaction, hydroxyl (OH) participates in indirect reaction, and under PH>4 condition, 90% is completed by indirect reaction.The particularly decomposition to organic exhaust gas, after direct and indirect reaction, resolution ratio reaches more than 95%.
Advanced oxidation and pollutant obtain reaction path:
Directly react: pollutant+O 3→ CO 2+ H 2o+RCOOH
O 3(Eo=2.07V) selective, speed is slow;
Indirect reaction: pollutant+OH → CO 2+ H 2o+RCOOH
OH(Eo=2.8V) current potential is high, non-selectivity, and speed is fast, and respond is strong, can cause chain reaction organic matter is thoroughly degraded.
Compared with the existing technology, owing to being provided with ozone generator and aeration layer, by ozone generator, to the aeration plate of tower bottom, pass into ozone, ozone can be self-sufficient, without adding by purchase, therefore processing cost reduced greatly; In addition ozone has higher strong oxidizing property, and oxidizing potential is 2.07, and ozone produces elemental oxygen under catalysis state, and the oxidizing potential of elemental oxygen is 2.42, so the oxidation processes better effects if of ozone; Also, because oxidation spray column and acid-base neutralization tower all comprise the sandwich construction of demist layer, spraying layer, packing layer and aeration layer, so reduced the input of equipment when improving treatment effect, economic benefit is higher; And the catalytic oxidation process of native system need not spray, use catalyst and the ozone reaction of solid to carry out catalysis to waste gas, catalyst once adds effectively lifelong.

Claims (5)

1. an off-gas oxidizing treatment system, comprise gas sampling district (1), oxidation spray column (2), catalytic oxidation tower (3), acid-base neutralization tower (4), exhaust blower (5) and chimney, the waste gas outlet in gas sampling district (1) is communicated with the import of oxidation spray column (2) by exhaust tube, and the outlet of oxidation spray column (2) is communicated with the import of catalytic oxidation tower (3) by exhaust tube, the outlet of catalytic oxidation tower (3) is communicated with the import of acid-base neutralization tower (4) by exhaust tube, the outlet of acid-base neutralization tower (4) is communicated with the entrance of exhaust blower (5) by blast pipe, the outlet of exhaust blower (5) is communicated with the entrance of chimney, the outlet of chimney is in communication with the outside, it is characterized in that: also comprise ozone generator (6), in described oxidation spray column (2), be from top to bottom provided with demist layer, spraying layer, packing layer and aeration layer, aeration layer consists of some aeration plates, the ozone outlet of ozone generator (6) communicates with the aeration layer in oxidation spray column (2), catalytic oxidation tower arranges some packing layers in (3), and main stuffing thing is catalyst, acid-base neutralization tower is from top to bottom provided with demist layer, spraying layer and packing layer in (4).
2. a kind of off-gas oxidizing treatment system according to claim 1, is characterized in that: described spraying layer and packing layer can be established several.
3. a kind of off-gas oxidizing treatment system according to claim 1, is characterized in that: described ozone generator (6) is for to utilize positive high voltage ionized air to produce the positive charge ozone generator of positively charged ozone.
4. off-gas oxidizing treatment system according to claim 1, is characterized in that: the mixture that described catalyst is multiple metal oxide containing precious metals.
5. a kind of off-gas oxidizing treatment system according to claim 1, is characterized in that: in the water spraying for the first time, add oxidation accelerator.
CN201210257984.2A 2012-07-24 2012-07-24 Waste gas oxidation treatment system Active CN102772987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210257984.2A CN102772987B (en) 2012-07-24 2012-07-24 Waste gas oxidation treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210257984.2A CN102772987B (en) 2012-07-24 2012-07-24 Waste gas oxidation treatment system

Publications (2)

Publication Number Publication Date
CN102772987A CN102772987A (en) 2012-11-14
CN102772987B true CN102772987B (en) 2014-08-13

Family

ID=47118232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210257984.2A Active CN102772987B (en) 2012-07-24 2012-07-24 Waste gas oxidation treatment system

Country Status (1)

Country Link
CN (1) CN102772987B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106861395A (en) * 2017-03-09 2017-06-20 秦皇岛领先康地农业技术有限公司 It is a kind of for the oxidization processing system waste gas produced in feces of livestock and poultry harmless treatment
CN107261790A (en) * 2017-06-26 2017-10-20 芜湖纯元光电设备技术有限公司 A kind of computer based oxidation treatment device robot control system(RCS)
CN110052098A (en) * 2018-01-18 2019-07-26 梁亚星 One kind bleachinging and dyeing dedusting oil removing deodorization VOC waste gas treatment equipment
CN110433631A (en) * 2019-08-20 2019-11-12 河北唯沃环境工程科技有限公司 It is a kind of to quantify oxidation coupling reinforcing absorption while removing multi-pollutant technology
CN110953599A (en) * 2019-12-20 2020-04-03 广东佳德环保科技有限公司 VOCs waste gas catalytic combustion system and method
CN112473343A (en) * 2020-12-10 2021-03-12 北京天中方环保科技有限公司 Waste gas treatment equipment and method
CN112691528A (en) * 2020-12-28 2021-04-23 厦门钨业股份有限公司 Acid waste gas treatment system
CN114686282B (en) * 2022-04-01 2023-04-07 中石化江苏石油工程设计有限公司 Natural gas wet desulphurization device and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100490943C (en) * 2007-02-09 2009-05-27 中北大学 Apparatus for processing waste air including oxynitride
CN201441880U (en) * 2009-05-08 2010-04-28 大连汪洋环境工程有限公司 Treatment device for nitrogen oxide waste gas containing acid gas
CN202136914U (en) * 2011-07-07 2012-02-08 昆山协孚人造皮有限公司 Waste gas deodorization and treatment system in residue blanking region
CN202751950U (en) * 2012-07-24 2013-02-27 徐州市龙泰臭氧设备制造有限公司 Waste gas oxidation treatment system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1663861B1 (en) * 2003-07-09 2016-04-27 Belco Technologies Corporation WET SCRUBBING APPARATUS AND METHOD FOR CONTROLLING NOx EMISSIONS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100490943C (en) * 2007-02-09 2009-05-27 中北大学 Apparatus for processing waste air including oxynitride
CN201441880U (en) * 2009-05-08 2010-04-28 大连汪洋环境工程有限公司 Treatment device for nitrogen oxide waste gas containing acid gas
CN202136914U (en) * 2011-07-07 2012-02-08 昆山协孚人造皮有限公司 Waste gas deodorization and treatment system in residue blanking region
CN202751950U (en) * 2012-07-24 2013-02-27 徐州市龙泰臭氧设备制造有限公司 Waste gas oxidation treatment system

Also Published As

Publication number Publication date
CN102772987A (en) 2012-11-14

Similar Documents

Publication Publication Date Title
CN102772987B (en) Waste gas oxidation treatment system
CN202751950U (en) Waste gas oxidation treatment system
CN101337153B (en) Ultrasonic integrated desulfurization denitration demercuration method and device thereof
CN103706238A (en) System and method for removing SO2, NO and Hg in smoke on the basis of heterogeneous Fenton
CN104815536A (en) Organic waste gas processing method and processing device
CN203108418U (en) Wet process flue gas desulfurization and denitrification integrated device
CN204582934U (en) A kind for the treatment of apparatus of organic exhaust gas
CN202683055U (en) Oxidation spray tower
CN105289228B (en) A kind of industrial smoke coordinated desulfurization method of denitration
CN205886562U (en) Jointly atomize waste gas pollution control and treatment device of oxidant of photodestruciton
CN109865425A (en) A kind of device and method of catalytic oxidation treatment exhaust gas
CN104258715A (en) Technology for treating nitric oxide waste gas by urea treatment and treatment equipment
CN106178909B (en) Prepare the system that oxidation soil release agent is used to remove heavy metal in flue gas and fluorine chlorine sulphur nitre
KR102054855B1 (en) Method for Simultaneous Treating Nitrogen Oxides and Sulfur Oxides using Iron Ethylene diamine tetraacetic acid
CN104353347A (en) Method and device for simultaneous reduction and oxidation of nitrogen oxides from airflow
CN106178865A (en) Industrial furnace smoke heavy metal and fluorine chlorine sulfur nitre purify and resource utilization method
CN102794098A (en) Flue gas wet-type oxidation denitration and resource utilization method
CN207562680U (en) A kind of device of catalytic oxidation treatment exhaust gas
CN106823737A (en) A kind of administering method of garbage transfer station foul gas
CN105664700B (en) A kind of processing method and processing unit of nitrogen-containing oxide industrial waste gas
CN105498480A (en) Ultraviolet radiation enhancement based method and device for simultaneous desulfurization, denitrification and particulate removal of pypocholoride
CN205570078U (en) Processing apparatus who contains nitrogen oxide industrial waste gas
CN103691278A (en) System and method for strengthening desulfurization and denitrification of ammonium persulfate based on acousto-optical coupled effect
CN105268274A (en) Vertical waste gas purification device
CN203648372U (en) System for combined removal of SO2, NO and Hg from smoke based on heterogeneous Fenton

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20161017

Address after: 221140, -2-5, 1 times Avenue, Chengbei Development Zone, Xuzhou City, Jiangsu Province

Patentee after: Jiangsu Longtai environmental protection equipment manufacturing Co., Ltd.

Address before: 221000, No. 1, times Avenue, Chengbei Development Zone, nine Li City, Jiangsu, Xuzhou

Patentee before: Xuzhou Longtai Ozone Equipment Manufacturing Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Waste gas oxidation treatment system

Effective date of registration: 20190423

Granted publication date: 20140813

Pledgee: Xuzhou Huaihai Science and Technology Guarantee Co., Ltd.

Pledgor: Jiangsu Longtai environmental protection equipment manufacturing Co., Ltd.

Registration number: 2019320000194

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20200917

Granted publication date: 20140813

Pledgee: Xuzhou Huaihai Science and Technology Guarantee Co.,Ltd.

Pledgor: JIANGSU LONGTAI ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co.,Ltd.

Registration number: 2019320000194