CN109453609A - A kind of purification of nitrogen oxides equipment - Google Patents
A kind of purification of nitrogen oxides equipment Download PDFInfo
- Publication number
- CN109453609A CN109453609A CN201811181316.XA CN201811181316A CN109453609A CN 109453609 A CN109453609 A CN 109453609A CN 201811181316 A CN201811181316 A CN 201811181316A CN 109453609 A CN109453609 A CN 109453609A
- Authority
- CN
- China
- Prior art keywords
- gas
- purification device
- device group
- purification
- oxides
- 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.)
- Pending
Links
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
-
- 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
-
- 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
- B01D53/26—Drying gases or vapours
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
Abstract
The invention discloses a kind of purification of nitrogen oxides equipment, including: main air blower；Primary gas purification device carries out primary purifying processing with the mixed gas transmitted to the main air blower；The purification device group of multiple levels, first gas concentration detection apparatus are arranged between the output end of the primary gas purification device and the input terminal of each purification device group；The gas is delivered to the corresponding purification device group by first control device, the concentration value to the oxides of nitrogen gas according to detection；Each purification detection device group includes: second gas concentration detection apparatus, second control device, the concentration value to the oxides of nitrogen gas according to detection judge whether that the input terminal that purified gas is back to the current purification device group carries out purified treatment again.The beneficial effect of its technical solution is to remove the more efficient of the oxides of nitrogen gas in mixed gas, and the gas finally excluded is made to meet discharge standard.
Description
Technical field
The present invention relates to emission-control equipment more particularly to a kind of purification of nitrogen oxides equipment.
Background technique
It is made in treatment process in tank body of container production, some water-soluble gas can be generated, be mainly some nitrogen oxidations
Object gas, (e.g., HNO3, HF, HCL, KOH) can be to atmosphere and weeks if these gases are directly discharged in atmosphere without processing
Collarette border pollutes, and existing oxides of nitrogen gas cleaning equipment is all made of grade to guarantee the completeness of gas treatment
Join multiple purification devices, so just have the following problems, oxides of nitrogen gas lower for concentration uses multiple purification devices
Although treatment effect is preferable, treatment effeciency is lower, and time-consuming, needs to expend a large amount of liquid to the place of oxides of nitrogen gas
Reason, causes to waste, and additional mixing gas directly purified gas is discharged, at this time in gas after purification device processing
Oxides of nitrogen gas concentration it is whether exceeded and be unaware of.
Summary of the invention
For the above problem existing for the oxides of nitrogen gas in purification mixed gas in the prior art, one kind is now provided
The gas for selecting corresponding purification device group to carry out purified treatment according to oxides of nitrogen gas concentration, and needs being discharged in time
It is detected to guarantee final discharge gas in the purification of nitrogen oxides equipment for meeting discharge standard.
Specific technical solution is as follows:
A kind of purification of nitrogen oxides equipment, applied to the oxides of nitrogen gas in removal mixed gas, wherein include:
Main air blower；
Primary gas purification device is connect with the gas outlet of the main air blower, to the mixing transmitted to the main air blower
Gas carries out primary purifying processing；
The purification device group of multiple levels, each purification device group are defeated with the primary gas purification device respectively
Outlet connection；
First gas concentration detection apparatus, be arranged in the primary gas purification device output end and each purification
Between the input terminal of device group；
First control device is connect with the first gas concentration detection apparatus, to the nitrogen oxides gas according to detection
The gas is delivered to the corresponding purification device group by the concentration value of body；
Each purification detection device group includes:
Second gas concentration detection apparatus is set to the gas output end of the purification device group；
Second control device is connect with the second gas detection device, to the nitrogen oxides gas according to detection
The concentration value of body judges whether that the input terminal that purified gas is back to the current purification device group carries out again
Purified treatment.
It preferably, further include a main connecting pipe, the connection main pipeline is set to the primary gas purification device
Between output end and the input terminal of each purification device group；
The input terminal that the main connecting pipe corresponds to the purification device group is respectively arranged with a controllable valve, described
The concentration value for the oxides of nitrogen gas that first control device is exported according to the primary gas purification device controls corresponding
Valve is opened to be sent to the corresponding purification device group through the gas.
Preferably, the purification device group includes:
First class purification device group, the first class purification device group are mainly made of three gas cleaning plant cascades；
The first class purification device group further include:
Gas drier is set to the output end of the first class purification device group；
Circulating line connects between the output end of the first class purification device group, input terminal；
Valving is connect with the control device, and the control device according to institute's second gas Concentration Testing to fill
The concentration value of the oxides of nitrogen gas of detection is set, selection controls the valving opening and gas is discharged, or described in control
Valving opens the input terminal that the gas is sent to the first class purification device.
Preferably, the purification device group includes:
Secondary purification device group, the secondary purification device group are mainly made of two gas cleaning plant cascades；
The secondary purification device group further include:
Gas drier is set to the output end of the secondary purification device group；
Circulating line connects between the output end of the secondary purification device group, input terminal；
Valving is connect with the control device, and the control device according to institute's second gas Concentration Testing to fill
The concentration value of the oxides of nitrogen gas of detection is set, selection controls the valving opening and gas is discharged, or described in control
Valving opens the input terminal that the gas is sent to the secondary purification device.
Preferably, the purification device group includes:
Three-level purification device group, the first class purification device group are mainly made of a gas cleaning plant；
The three-level purification device group further include:
Gas drier is set to the output end of the three-level purification device group；
Circulating line connects between the output end of the three-level purification device group, input terminal；
Valving is connect with the control device, and the control device according to institute's second gas Concentration Testing to fill
The concentration value of the oxides of nitrogen gas of detection is set, selection controls the valving opening and gas is discharged, or described in control
Valving opens the input terminal that the gas is sent to the three-level purification device.
Preferably, the gas cleaning plant includes:
Purifying column ontology；
Water system, the water system include the spray equipment of an annular, and the spray equipment is set to purifying column sheet
Intracorporal top position；
The water system conveys liquid to spray equipment, sprays liquid and the oxides of nitrogen gas by spray equipment
It is reacted, to remove the oxides of nitrogen gas in the mixed gas.
Preferably, the water system includes:
Liquid is passed through pipeline to the spray equipment by water pump, pipeline, spray equipment, the water pump.
Preferably, the output end of each purification device group is provided with a gas supply blower, the gas supply blower to
Gas after purified treatment is discharged, or gas is delivered to the input terminal of the current purification device group again.
Above-mentioned technical proposal has the following advantages that or the utility model has the advantages that selects corresponding purification according to oxides of nitrogen gas concentration
Device group carries out purified treatment, it is ensured that the efficiency of oxides of nitrogen gas processing, while in time to the gas that discharges of needs into
Row detection such as detect it is unqualified, then gas is delivered to again purification device group carry out again purified treatment to guarantee finally to discharge
Gas is meeting discharge standard.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the embodiment of purification of nitrogen oxides equipment of the present invention；
Fig. 2 is in a kind of embodiment of purification of nitrogen oxides equipment of the present invention, about gas cleaning plant structural representation
Figure；
Fig. 3 is the schematic diagram about spray equipment structure in a kind of embodiment of purification of nitrogen oxides equipment of the present invention.
Appended drawing reference indicates:
1, main air blower；2, primary gas purification device；3, purification device group；4, first class purification device group；5, secondary purification
Device group；6, three-level purification device group；7, gas cleaning plant；8, main connecting pipe；9, circulating line；11, input terminal；12,
Output end；71, purifying column ontology；72, water pump；73, pipeline；74, spray equipment；741, ring structure；7411, spout.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
As shown in Figure 1, in a kind of embodiment of purification of nitrogen oxides equipment, applied to the nitrogen oxidation in removal mixed gas
Object gas, wherein include:
Main air blower 1；
Primary gas purification device 2 is connect with the gas outlet of main air blower 1, to mixed gas that main air blower 1 is transmitted into
The processing of row primary purifying；
The purification device group 3 of multiple levels, each purification device group 3 output end with primary gas purification device 2 respectively
12 connections；
The output end 12 and each purification device of primary gas purification device 2 is arranged in first gas concentration detection apparatus
Between the input terminal 11 of group 3；
First control device is connect with first gas concentration detection apparatus, to according to the oxides of nitrogen gas of detection
Concentration value delivers the gas to corresponding purification device group 3；
Each purification detection device group includes:
Second gas concentration detection apparatus is set to the gas output end 12 of purification device group 3；
Second control device is connect with second gas detection device, to the concentration according to the oxides of nitrogen gas of detection
Value judges whether that the input terminal 11 that purified gas is back to current purification device group 3 carries out purified treatment again.
It, can be for the oxides of nitrogen gas concentration in the mixed gas that is generated in procedure for producing in above-mentioned technical proposal
Difference carries out purified treatment using same cleaning equipment if differentiation is not added, and there are the uses of the oxides of nitrogen gas of low concentration
Advanced treating, be easy to causeing resource, purification efficiency is also lower simultaneously；
In the present invention, after pretreatment, nitrogen oxides gas is being carried out to purified gas to mixed gas first
The detection of bulk concentration, herein it should be noted that each purification device group 3 divides different threshold values previously according to concentration value, then
First control device delivers the gas to corresponding purification device group 3 according to the oxides of nitrogen gas concentration of detection and carries out at purification
Reason, corresponding purification device group 3 need to detect gas again when purified treatment exports purified gas, if
Meet discharge standard then directly to exclude, the input terminal 11 that purification device group 3 is reentered if not meeting discharge standard carries out
Processing, with the final gas for excluding to meet discharge standard.
It further include a main connecting pipe 8 in a kind of preferably embodiment, it is net that connection main pipeline is set to primary gas
Makeup is set between 2 output end 12 and the input terminal 11 of each purification device group 3；
The input terminal 11 of the corresponding purification device group 3 of main connecting pipe 8 is respectively arranged with a controllable valve, the first control
The concentration value for the oxides of nitrogen gas that device is exported according to primary gas purification device 2 controls corresponding valve and opens through gas
Body is sent to corresponding purification device group 3.
In a kind of preferably embodiment, purification device group 3 includes:
4 purification device group 3 of first class purification device group, 4 purification device group 3 of first class purification device group are mainly net by three gases
7 cascades composition is set in makeup；
4 purification device group 3 of first class purification device group further include:
Gas drier is set to the output end 12 of 4 purification device group 3 of first class purification device group；
Circulating line 9 connects between the output end 12 of 4 purification device group 3 of first class purification device group, input terminal 11；
Valving is connect with control device, and control device is to detect according to institute's second gas concentration detection apparatus
The concentration value of oxides of nitrogen gas, gas is discharged selection control valve device opening or control valve device is opened gas
Body is sent to the input terminal 11 of first class purification device.
In a kind of preferably embodiment, purification device group 3 includes:
5 purification device group 3 of secondary purification device group, 5 purification device group 3 of secondary purification device group are mainly net by two gases
7 cascades composition is set in makeup；
5 purification device group 3 of secondary purification device group further include:
Gas drier is set to the output end 12 of 5 purification device group 3 of secondary purification device group；
Circulating line 9 connects between the output end 12 of 5 purification device group 3 of secondary purification device group, input terminal 11；
Valving is connect with control device, and control device is to detect according to institute's second gas concentration detection apparatus
The concentration value of oxides of nitrogen gas, gas is discharged selection control valve device opening or control valve device is opened gas
Body is sent to the input terminal 11 of secondary purification device.
In a kind of preferably embodiment, purification device group 3 includes:
6 purification device group 3 of three-level purification device group, 4 purification device group 3 of first class purification device group are mainly net by a gas
Makeup set group 3 at；
6 purification device group 3 of three-level purification device group further include:
Gas drier is set to the output end 12 of 6 purification device group 3 of three-level purification device group；
Circulating line 9 connects between the output end 12 of 6 purification device group 3 of three-level purification device group, input terminal 11；
Valving is connect with control device, and control device is to detect according to institute's second gas concentration detection apparatus
The concentration value of oxides of nitrogen gas, gas is discharged selection control valve device opening or control valve device is opened gas
Body is sent to the input terminal 11 of three-level purification device.
In a kind of preferably embodiment, as shown in Fig. 2, gas cleaning plant 7 includes:
Purifying column ontology 71；
Water system, water system include the spray equipment 74 of an annular, and it is intrinsic that spray equipment is set to purifying column
Top position；
Water system conveys liquid to spray equipment, sprays liquid by spray equipment and oxides of nitrogen gas carries out instead
It answers, to remove the oxides of nitrogen gas in mixed gas.
In above-mentioned technical proposal, annular spray equipment includes multiple ring structures 741, and multiple ring structures are in set with one heart
It sets, each ring structure is provided with multiple spray heads 7411, and the liquid to convey water system forms atomization and sprays, wherein gas
Body can be for the liquid such as ammonium hydroxide of reaction of nitrogen oxides etc..
In a kind of preferably embodiment, as shown in figure 3, water system includes:
Liquid is passed through pipeline to spray equipment by water pump 72, pipeline 73, spray equipment 74, water pump.
In a kind of preferably embodiment, the output end 12 of each purification device group 3 is provided with a gas supply blower, supplies
Gas blower is the gas after purified treatment to be discharged, or gas is delivered to the input of current purification device group 3 again
End 11.
In specific embodiment, passes through main air blower 1 first for mixed gas delivery to primary gas purification device 2, pass through
Primary gas purification device 2 carries out purified treatment for the first time, and purified gas is then delivered to main connecting pipe 8, main connection
First gas concentration detection apparatus in pipeline 8 detects the concentration value of the oxides of nitrogen gas in current gas；
Purification device group 3 at this time is divided into level-one, second level, 6 purification device group 3 of three-level purification device group, and rank is root
It is divided according to the distribution threshold value of the concentration of oxides of nitrogen gas, is configured from large to small；
If it is net to be just distributed in first class purification device group 4 for the oxides of nitrogen gas concentration value by purified treatment for the first time at this time
Makeup is set in the threshold value of group 3, then the valve of first control device control connection first class purification device is opened, and at other valves
In closed state, gas enters 4 purification device group 3 of first class purification device group, is carried out step by step by three layers of gas cleaning plant 7 net
Change processing needs to detect gas again when purified treatment exports purified gas, straight if meeting discharge standard
Run in and remove, the input terminal 11 that purification device group 3 is reentered if not meeting discharge standard is handled, with final exclusion symbol
Close the gas of discharge standard.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (8)
1. a kind of purification of nitrogen oxides equipment, applied to the oxides of nitrogen gas in removal mixed gas, which is characterized in that packet
It includes:
Main air blower；
Primary gas purification device is connect with the gas outlet of the main air blower, to the mixed gas transmitted to the main air blower
Carry out primary purifying processing；
The purification device group of multiple levels, each purification device group output end with the primary gas purification device respectively
Connection；
The output end and each purification device of the primary gas purification device is arranged in first gas concentration detection apparatus
Between the input terminal of group；
First control device is connect with the first gas concentration detection apparatus, to according to the oxides of nitrogen gas of detection
The gas is delivered to the corresponding purification device group by concentration value；
Each purification detection device group includes:
Second gas concentration detection apparatus is set to the gas output end of the purification device group；
Second control device is connect with the second gas detection device, to according to the oxides of nitrogen gas of detection
Concentration value judges whether that the input terminal that purified gas is back to the current purification device group is purified again
Processing.
2. purification of nitrogen oxides equipment according to claim 1, which is characterized in that it further include a main connecting pipe, it is described
Connection main pipeline is set between the output end of the primary gas purification device and the input terminal of each purification device group；
The input terminal that the main connecting pipe corresponds to the purification device group is respectively arranged with a controllable valve, and described first
The concentration value for the oxides of nitrogen gas that control device is exported according to the primary gas purification device, controls corresponding valve
It opens to be sent to the corresponding purification device group through the gas.
3. purification of nitrogen oxides equipment according to claim 1, which is characterized in that the purification device group includes:
First class purification device group, the first class purification device group are mainly made of three gas cleaning plant cascades；
The first class purification device group further include:
Gas drier is set to the output end of the first class purification device group；
Circulating line connects between the output end of the first class purification device group, input terminal；
Valving is connect with the control device, and the control device according to institute's second gas concentration detection apparatus to examine
The concentration value of the oxides of nitrogen gas of survey, selection controls the valving opening and gas is discharged, or the control valve
Device opens the input terminal that the gas is sent to the first class purification device.
4. purification of nitrogen oxides equipment according to claim 1, which is characterized in that the purification device group includes:
Secondary purification device group, the secondary purification device group are mainly made of two gas cleaning plant cascades；
The secondary purification device group further include:
Gas drier is set to the output end of the secondary purification device group；
Circulating line connects between the output end of the secondary purification device group, input terminal；
Valving is connect with the control device, and the control device according to institute's second gas concentration detection apparatus to examine
The concentration value of the oxides of nitrogen gas of survey, selection controls the valving opening and gas is discharged, or the control valve
Device opens the input terminal that the gas is sent to the secondary purification device.
5. purification of nitrogen oxides equipment according to claim 1, which is characterized in that the purification device group includes:
Three-level purification device group, the first class purification device group are mainly made of a gas cleaning plant；
The three-level purification device group further include:
Gas drier is set to the output end of the three-level purification device group；
Circulating line connects between the output end of the three-level purification device group, input terminal；
Valving is connect with the control device, and the control device according to institute's second gas concentration detection apparatus to examine
The concentration value of the oxides of nitrogen gas of survey, selection controls the valving opening and gas is discharged, or the control valve
Device opens the input terminal that the gas is sent to the three-level purification device.
6. according to purification of nitrogen oxides equipment described in claim 3,4 or 5, which is characterized in that the gas cleaning plant packet
It includes:
Purifying column ontology；
Water system, the water system include the spray equipment of an annular, and the spray equipment is set in purifying column ontology
Top position；
The water system conveys liquid to spray equipment, sprays liquid by spray equipment and the oxides of nitrogen gas carries out
Reaction, to remove the oxides of nitrogen gas in the mixed gas.
7. purification of nitrogen oxides equipment according to claim 6, which is characterized in that the water system includes:
Liquid is passed through pipeline to the spray equipment by water pump, pipeline, spray equipment, the water pump.
8. purification of nitrogen oxides equipment according to claim 1, which is characterized in that the output of each purification device group
End is provided with a gas supply blower, and the gas supply blower is or again defeated by gas the gas after purified treatment to be discharged
It send to the input terminal of the current purification device group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181316.XA CN109453609A (en) | 2018-10-11 | 2018-10-11 | A kind of purification of nitrogen oxides equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181316.XA CN109453609A (en) | 2018-10-11 | 2018-10-11 | A kind of purification of nitrogen oxides equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109453609A true CN109453609A (en) | 2019-03-12 |
Family
ID=65607531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811181316.XA Pending CN109453609A (en) | 2018-10-11 | 2018-10-11 | A kind of purification of nitrogen oxides equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109453609A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903599A (en) * | 2021-01-13 | 2021-06-04 | 中国科学院上海应用物理研究所 | High-precision trace water oxygen measurement system |
| CN114247254A (en) * | 2020-09-24 | 2022-03-29 | 陕西青朗万城环保科技有限公司 | Tail gas desulfurization and denitrification method and device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070099826A (en) * | 2006-04-05 | 2007-10-10 | 주식회사 파나시아 | Exhaust gas of high temperature denitrifing system and denitrifing method using the system |
| CN102078752A (en) * | 2010-12-27 | 2011-06-01 | 南京大学 | Method for preparing sodium nitrite from nitric oxide waste gas through multistage oxidation absorption |
| CN103566733A (en) * | 2012-07-31 | 2014-02-12 | 苏州仕净环保设备有限公司 | High-concentration nitrogen oxide three-level tail gas purifying tower system device |
| CN203725025U (en) * | 2014-03-25 | 2014-07-23 | 北京沃太斯环保科技发展有限公司 | Odor biotreatment device of sewage treatment plant |
| CN106621758A (en) * | 2017-02-23 | 2017-05-10 | 贾海亮 | High-efficiency comprehensive purification tower |
| CN106731583A (en) * | 2017-02-09 | 2017-05-31 | 河北宏达环境工程有限公司 | A kind of Combined industry waste gas purification apparatus |
| CN207342475U (en) * | 2017-10-24 | 2018-05-11 | 亚太环保科技股份有限公司 | A kind of steel sintering machine flue gas desulfurization and denitrification equipment |
| CN108579320A (en) * | 2018-04-20 | 2018-09-28 | 盐城中创环保科技有限公司 | A kind of concentration-arrangement for catalytic purification, the system and method for low-concentration organic exhaust gas |
-
2018
- 2018-10-11 CN CN201811181316.XA patent/CN109453609A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070099826A (en) * | 2006-04-05 | 2007-10-10 | 주식회사 파나시아 | Exhaust gas of high temperature denitrifing system and denitrifing method using the system |
| CN102078752A (en) * | 2010-12-27 | 2011-06-01 | 南京大学 | Method for preparing sodium nitrite from nitric oxide waste gas through multistage oxidation absorption |
| CN103566733A (en) * | 2012-07-31 | 2014-02-12 | 苏州仕净环保设备有限公司 | High-concentration nitrogen oxide three-level tail gas purifying tower system device |
| CN203725025U (en) * | 2014-03-25 | 2014-07-23 | 北京沃太斯环保科技发展有限公司 | Odor biotreatment device of sewage treatment plant |
| CN106731583A (en) * | 2017-02-09 | 2017-05-31 | 河北宏达环境工程有限公司 | A kind of Combined industry waste gas purification apparatus |
| CN106621758A (en) * | 2017-02-23 | 2017-05-10 | 贾海亮 | High-efficiency comprehensive purification tower |
| CN207342475U (en) * | 2017-10-24 | 2018-05-11 | 亚太环保科技股份有限公司 | A kind of steel sintering machine flue gas desulfurization and denitrification equipment |
| CN108579320A (en) * | 2018-04-20 | 2018-09-28 | 盐城中创环保科技有限公司 | A kind of concentration-arrangement for catalytic purification, the system and method for low-concentration organic exhaust gas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247254A (en) * | 2020-09-24 | 2022-03-29 | 陕西青朗万城环保科技有限公司 | Tail gas desulfurization and denitrification method and device |
| CN112903599A (en) * | 2021-01-13 | 2021-06-04 | 中国科学院上海应用物理研究所 | High-precision trace water oxygen measurement system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109453609A (en) | A kind of purification of nitrogen oxides equipment | |
| CN108126490B (en) | Waste gas purification system | |
| CN110302649A (en) | Soda acid emission-control equipment | |
| CN207356882U (en) | Ozone denitrification apparatus | |
| CN104122906B (en) | The control method of the lime white straying quatity in fume treatment reaction tower | |
| CN108117286A (en) | The washing desalination system and method for a kind of incineration of refuse flyash or kiln ash | |
| CN105180179B (en) | The processing unit and processing method of polyolefin degassing tail gas | |
| CN109985468A (en) | A kind of novel waste gas treatment device | |
| CN110252136A (en) | The ultralow temperature smoke denitrating high-performance device of wet process and method | |
| CN210495887U (en) | Acid-base waste gas treatment device | |
| CN107875854A (en) | A kind of denitrification apparatus for power plant | |
| CN205323537U (en) | Nitrogen oxide waste gas treatment system | |
| CN209138332U (en) | A kind of spray column of anti-siltation | |
| CN211302633U (en) | Multistage atomization semidry method desulfurization device | |
| CN211585935U (en) | Waste gas treatment device for environmental protection equipment | |
| CN209752460U (en) | Industrial waste gas treatment sprays washing equipment | |
| CN206613372U (en) | A kind of SNCR flue gas denitrification systems for domestic waste incineration | |
| CN202527057U (en) | Nitrogen oxide waste gas treatment equipment | |
| CN206676182U (en) | Phosphoric acid tail gas processing equipment | |
| CN101891260B (en) | Preparation method and application of ferrous sulfate solution and preparation devices | |
| CN204051348U (en) | Waste gas treatment equipment | |
| CN110743346A (en) | Treatment method for waste gas generated in kitchen waste treatment | |
| CN207276357U (en) | A kind of tubular type microfiltration systems for being used to handle high slat-containing wastewater | |
| CN214982565U (en) | Laminating machine cooling paper cutting device | |
| CN216614267U (en) | Continuous sewage treatment device for environmental protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190312 |
|
| RJ01 | Rejection of invention patent application after publication |