CN103691265A - System for controlling dioxin emission in flue gas in real time and working method thereof - Google Patents
System for controlling dioxin emission in flue gas in real time and working method thereof Download PDFInfo
- Publication number
- CN103691265A CN103691265A CN201310755999.6A CN201310755999A CN103691265A CN 103691265 A CN103691265 A CN 103691265A CN 201310755999 A CN201310755999 A CN 201310755999A CN 103691265 A CN103691265 A CN 103691265A
- Authority
- CN
- China
- Prior art keywords
- detector
- reactor
- flue gas
- bioxin
- valve
- 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.)
- Granted
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention provides a system for controlling dioxin emission in flue gas in real time and a working method of the system. The system comprises a pre-treating device, a switching part and at least two dioxin removing devices, wherein the pre-treating device is used for removing dust, and acidy and smelly gases in the flue gas; the switching part is used for selectively communicating the outlet of the pre-treating device with one of the at least two dioxin removing devices; each dioxin removing device comprises a reactor, a valve, a first detector, a second detector and a judging module, wherein the reactor is used for removing dioxin in the flue gas; the valve is arranged at the downstream of the reactor; the first detector and the second detector are respectively used for detecting concentration of a dioxin precursor in the flue gas at the upstream and the downstream of the reactor, and outputting the value to the judging module; and the judging module is used for judging that whether switching is needed or not according to the received concentration value, and transmitting the result to the switching part and the valve. The system disclosed by the invention has the advantages of detecting in real time, continuously treating, preventing standard-exceeding emission, and the like.
Description
Technical field
The present invention relates to dioxin emission and control, particularly system and the method for work thereof of real-time control Yan gas Zhong dioxin emission.
Background technology
At present, in the flue gas producing, contain bioxin in Refuse Incineration Process, bioxin is very complicated mixture, and the composition containing surpasses 200 kinds, is difficult to detect in real time with on-line instrument.As, the detection mode of current bioxin is: off-line sampling flue gas, is then used chromatography, immunization, bioanalysis, Laser mass spectrometry to detect, thereby knows Yan gas Zhong bioxin content.This mode has deficiency, as:
Time delay is serious, and after waiting until that testing result out, the flue gas that exceeds standard discharges already; This detection becomes nonsensical.
In addition, the end control mode of bioxin is mainly to utilize charcoal absorption at present, the adsorption capacity of active carbon is along with can reduce gradually running time, because the adsorption capacity of active carbon can not on line real-time monitoring, by artificial experience, judged, when the parameters such as rubbish kind or treating capacity, incineration plant production run state change, be easy to cause bioxin discharge beyond standards, serious harm periphery residents ' health.
Therefore, how stablizing and process and effective monitoring dioxins materials, guarantee in flue gas that dioxins materials can qualified discharge, is the technical barrier that solution is badly in need of in this area.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art scheme, the invention provides a kind of system that prevents the real-time control Yan gas Zhong dioxin emission of discharge beyond standards.
The object of the invention is to be achieved through the following technical solutions:
A system for real-time control Yan gas Zhong dioxin emission, described system comprises:
Pretreatment unit, described pretreatment unit is used for removing flue gas dirt, acidity, odorous gas;
Switching part, described switching part for make described pretreatment unit egress selection be communicated with at least two bioxin removal device Zhong mono-tunnels, road;
At least two Lu bioxin removal devices, each Lu bioxin removal device comprises: reactor, described reactor is for removing flue gas bioxin; Valve, described valve is arranged on the downstream of reactor;
The first detector and the second detector, described the first detector and the second detector are respectively used to the concentration of bioxin presoma in detection reaction device upstream and downstream flue gas, and output valve is sent to judge module;
Judge module, described judge module judges whether to need to switch according to the concentration value receiving, and result is sent to described switching part and valve.
According to above-mentioned system, preferably, described the first detector is arranged between described switching part and pretreatment unit.
According to above-mentioned system, alternatively, in described each Lu bioxin removal device, the first detector is set between switching part and reactor, the second detector is set between reactor and valve.
Having the present invention also aims to provide a kind of method that prevents the real-time control Yan gas Zhong dioxin emission of discharge beyond standards, is also the method for work of said system; This goal of the invention being achieved by the following technical programs:
The method of work of controlling in real time Yan gas Zhong dioxin emission system, described method of work comprises the following steps:
(A1) flue gas, through pretreatment unit, is removed dirt, acidity, odorous gas in flue gas;
(A2) by switching part, switch, through pretreated flue gas, enter at least two removal device Zhong mono-tunnels, road;
Flue gas enters in reactor, removes bioxin in flue gas, flows to afterwards downstream;
(A3) obtain the concentration of described reactor downstream, upstream Yan gas Zhong bioxin presoma, and be sent to judge module:
If the output valve of the second detector is greater than threshold value, and the difference of the first detector and the second detector output valve is greater than setting value, closes the production of pollution sources, and improves the ability of reactor for treatment bioxin;
If the output valve of the second detector is greater than threshold value, and the difference of the first detector and the second detector output valve is not more than described setting value, closes the production of pollution sources, and enters next step;
If the output valve of the second detector is not more than threshold value, and the difference of the first detector and the second detector output valve is not more than described setting value, show that reactor needs to safeguard, by the switching of described switching part and the switching of valve, make the outlet of described pretreatment unit be communicated with removal device Zhong mono-tunnel, other road, continue to remove the bioxin in flue gas, and enter next step;
If the output valve of the second detector is not more than threshold value, and the difference of the first detector and the second detector output valve is greater than described setting value, the bioxin in Ze Yougai road reactor continuation removal flue gas;
(A4) safeguard described reactor.
Compared with prior art, the beneficial effect that the present invention has is:
1, adopt at least two road bioxin removal devices, when making at least one road remove bioxin, cleaning work is done at least one road in addition, basic guarantee can work continuously (situation that the ability of removing bioxin except the reactor of design does not match operating mode);
2, monitor in real time bioxin presoma (corresponding to the content of bioxin) in the flue gas in reactor upstream, downstream, judgement is that the too weak or reactor of the disposal ability of reactor needs to safeguard accordingly, to formulate different measures, prevent the discharge beyond standards of bioxin.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art hold intelligible: these accompanying drawings are only for illustrating technical scheme of the present invention, and are not intended to protection scope of the present invention to be construed as limiting.In figure:
Fig. 1 is the structural representation of system of the online removal Yan gas Zhong bioxin of the embodiment of the present invention 1.
The specific embodiment
Fig. 1 and following declarative description optional embodiment of the present invention with instruction those skilled in the art, how to implement and to reproduce the present invention.In order to instruct technical solution of the present invention, simplified or omitted some conventional aspects.Those skilled in the art should understand that be derived from the modification of these embodiments or replace will be within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to form a plurality of modification of the present invention in every way.Thus, the present invention is not limited to following optional embodiment, and only by claim and their equivalent, is limited.
Embodiment 1:
Fig. 1 has schematically provided the structure diagram of system of the real-time control Yan gas Zhong dioxin emission of the embodiment of the present invention, and as shown in Figure 1, described system comprises:
Switching part 21,22, described switching part 21,22 for make described pretreatment unit egress selection be communicated with arbitrary road of two Lu bioxin removal devices; This switching part is specially: two valves are set, and the switching by valve realizes stream switches;
Two Lu bioxin removal devices, each Lu bioxin removal device comprises: catalytic reactor 31,32, described catalytic reactor is for removing flue gas bioxin, reactor there is structure and operation principle is the state of the art, do not repeat them here; Valve 51,52, described valve is arranged on the downstream of catalytic reactor;
The first detector 42, described the first detector 42 is the state of the art for detection of the concentration value ， bioxin presoma detector of bioxin presoma in the flue gas of discharge pretreatment unit 11, does not repeat them here;
The second detector 41, described the second detector 41 is arranged on the downstream of catalytic reactor 31,32, and the downstream of valve 51,52 particularly, for detection of the concentration value of bioxin presoma in the flue gas of discharging after reactor 31,32;
Judge module, described judge module is for judging whether to switch stream according to the first detector receiving and the output valve of the second detector, and judged result is sent to described switching part 21,22 and valve 51,52.Described judge module can be realized by circuit or software, and specific implementation is the state of the art, does not repeat them here.
The present invention also provides a kind of method of real-time control Yan gas Zhong dioxin emission, is also the method for work of said system; Described method of work comprises the following steps:
(A1) flue gas, through pretreatment unit, is removed dirt, acidity, odorous gas in flue gas;
(A2) switching part switches, and through pretreated flue gas, enters two removal device Zhong mono-tunnels, road;
Flue gas enters in reactor, removes bioxin in flue gas, flows to afterwards downstream;
(A3) obtain the concentration of described reactor downstream, upstream Yan gas Zhong bioxin presoma, and be sent to judge module:
If the output valve of the second detector is greater than threshold value, and the difference of the first detector and the second detector output valve is greater than setting value, closes the production of pollution sources, and improves the ability of reactor for treatment bioxin;
If the output valve of the second detector is greater than threshold value, and the difference of the first detector and the second detector output valve is not more than described setting value, closes the production of pollution sources, and enters next step;
If the output valve of the second detector is not more than threshold value, and the difference of the first detector and the second detector output valve is not more than described setting value, show that reactor needs to safeguard, by the switching of described switching part and the switching of valve, make the outlet of described pretreatment unit be communicated with removal device Zhong mono-tunnel, other road, continue to remove the bioxin in flue gas, and enter next step;
If the output valve of the second detector is not more than threshold value, and the difference of the first detector and the second detector output valve is greater than described setting value, the bioxin in Ze Yougai road reactor continuation removal flue gas;
(A4) safeguard described reactor, as more catalyst changeout or whole reactor.
Embodiment 2:
The system of the online removal Yan gas Zhong bioxin of the embodiment of the present invention, as different from Example 2: in each Lu bioxin removal device, the first detector is all set between switching part and reactor, the second detector is all set between reactor and valve.
Above-described embodiment is only the application examples that has exemplarily provided removal device Shi Er road, certainly can also be more than Huo San road, Shi San road.This for a person skilled in the art, embodiment and implementation result can expect.
Claims (4)
1. control in real time a system for dioxin emission in cigarette gas, described system comprises:
Pretreatment unit, described pretreatment unit is used for removing flue gas dirt, acidity, odorous gas;
Switching part, described switching part for make described pretreatment unit egress selection be communicated with at least two bioxin removal device Zhong mono-tunnels, road;
At least two Lu bioxin removal devices, each Lu bioxin removal device comprises: reactor, described reactor is for removing flue gas bioxin; Valve, described valve is arranged on the downstream of reactor;
The first detector and the second detector, described the first detector and the second detector are respectively used to the concentration of bioxin presoma in detection reaction device upstream and downstream flue gas, and output valve is sent to judge module;
Judge module, described judge module judges whether to need to switch according to the concentration value receiving, and result is sent to described switching part and valve.
2. system according to claim 1, is characterized in that: described the first detector is arranged between described switching part and pretreatment unit.
3. system according to claim 1, is characterized in that: in described each Lu bioxin removal device, the first detector is set between switching part and reactor, the second detector is set between reactor and valve.
4. according to the method for work of the arbitrary described system of claims 1 to 3, described method of work comprises the following steps:
(A1) flue gas, through pretreatment unit, is removed dirt, acidity, odorous gas in flue gas;
(A2) by switching part, switch, through pretreated flue gas, enter at least two removal device Zhong mono-tunnels, road;
Flue gas enters in reactor, removes bioxin in flue gas, flows to afterwards downstream;
(A3) obtain the concentration of described reactor downstream, upstream Yan gas Zhong bioxin presoma, and be sent to judge module:
If the output valve of the second detector is greater than threshold value, and the difference of the first detector and the second detector output valve is greater than setting value, closes the production of pollution sources, and improves the ability of reactor for treatment bioxin;
If the output valve of the second detector is greater than threshold value, and the difference of the first detector and the second detector output valve is not more than described setting value, closes the production of pollution sources, and enters next step;
If the output valve of the second detector is not more than threshold value, and the difference of the first detector and the second detector output valve is not more than described setting value, show that reactor needs to safeguard, by the switching of described switching part and the switching of valve, make the outlet of described pretreatment unit be communicated with removal device Zhong mono-tunnel, other road, continue to remove the bioxin in flue gas, and enter next step;
If the output valve of the second detector is not more than threshold value, and the difference of the first detector and the second detector output valve is greater than described setting value, the bioxin in Ze Yougai road reactor continuation removal flue gas;
(A4) safeguard described reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755999.6A CN103691265B (en) | 2013-12-30 | 2013-12-30 | The system of real-time control Yan gas Zhong dioxin emission and method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755999.6A CN103691265B (en) | 2013-12-30 | 2013-12-30 | The system of real-time control Yan gas Zhong dioxin emission and method of work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103691265A true CN103691265A (en) | 2014-04-02 |
| CN103691265B CN103691265B (en) | 2016-04-27 |
Family
ID=50353026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310755999.6A Expired - Fee Related CN103691265B (en) | 2013-12-30 | 2013-12-30 | The system of real-time control Yan gas Zhong dioxin emission and method of work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103691265B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976624A (en) * | 2015-07-06 | 2015-10-14 | 福建朗乾坤环保科技有限公司 | Method for dioxin control of garbage incinerator |
| CN108194984A (en) * | 2018-01-10 | 2018-06-22 | 刘芬 | Air purifier and air purification method |
| CN117427451A (en) * | 2023-12-21 | 2024-01-23 | 佛山市景鑫达陶瓷机械有限公司 | Kiln flue gas purification treatment device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231125Y (en) * | 2008-07-29 | 2009-05-06 | 河北先河科技发展有限公司 | Air automatic water-removal device |
| CN101648100A (en) * | 2009-09-11 | 2010-02-17 | 沈阳中煤工程技术有限公司 | Enrichment treatment device of methane in mine ventilation air |
| CN101972602A (en) * | 2010-08-31 | 2011-02-16 | 宇星科技发展(深圳)有限公司 | System for treating organic exhaust gas by adsorptive-catalytic combustion |
| WO2012006729A1 (en) * | 2010-07-15 | 2012-01-19 | Quadrogen Power Systems, Inc. | Integrated biogas cleaning system to remove water, siloxanes, sulfur, oxygen, chlorides and volatile organic compounds |
-
2013
- 2013-12-30 CN CN201310755999.6A patent/CN103691265B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231125Y (en) * | 2008-07-29 | 2009-05-06 | 河北先河科技发展有限公司 | Air automatic water-removal device |
| CN101648100A (en) * | 2009-09-11 | 2010-02-17 | 沈阳中煤工程技术有限公司 | Enrichment treatment device of methane in mine ventilation air |
| WO2012006729A1 (en) * | 2010-07-15 | 2012-01-19 | Quadrogen Power Systems, Inc. | Integrated biogas cleaning system to remove water, siloxanes, sulfur, oxygen, chlorides and volatile organic compounds |
| CN101972602A (en) * | 2010-08-31 | 2011-02-16 | 宇星科技发展(深圳)有限公司 | System for treating organic exhaust gas by adsorptive-catalytic combustion |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976624A (en) * | 2015-07-06 | 2015-10-14 | 福建朗乾坤环保科技有限公司 | Method for dioxin control of garbage incinerator |
| CN108194984A (en) * | 2018-01-10 | 2018-06-22 | 刘芬 | Air purifier and air purification method |
| CN117427451A (en) * | 2023-12-21 | 2024-01-23 | 佛山市景鑫达陶瓷机械有限公司 | Kiln flue gas purification treatment device |
| CN117427451B (en) * | 2023-12-21 | 2024-03-29 | 佛山市景鑫达陶瓷机械有限公司 | Kiln flue gas purification treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103691265B (en) | 2016-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103691265A (en) | System for controlling dioxin emission in flue gas in real time and working method thereof | |
| CN203899430U (en) | System for processing incinerating gas | |
| CN111366519A (en) | Filter material filtering performance evaluation system under simulated smoke thermal state working condition | |
| JP2006263700A (en) | Method and system for removing mercury in exhaust gas | |
| Lin et al. | Removal of PCDD/Fs and PCBs from flue gas using a pilot gas cleaning system | |
| WO1992003224A1 (en) | Process and device for cleaning carbon-containing adsorption agents | |
| KR102144444B1 (en) | System and method for detecting malfunction of pressure swing adsorption apparatus | |
| KR100297356B1 (en) | Combustion device for smoke generating facilities | |
| CN106765210B (en) | A kind of incineration treatment method and device of refinery's organic exhaust gas | |
| CN106039957B (en) | Flue gas purification system and flue gas purification method | |
| CN102253664A (en) | Method for detecting and controlling oxygen content in coal gasification production process | |
| CN111919116B (en) | Mercury concentration measuring device, exhaust gas treatment device, and exhaust gas treatment method | |
| Wang et al. | Characteristics of PCDD/Fs in a particles filtration device with activated carbon injection | |
| CN209961552U (en) | Continuous online dioxin sampling device | |
| JP5010498B2 (en) | On-line simplified measuring device and method for PCB in gas, monitoring system for PCB processing equipment | |
| CN108786428A (en) | A kind of SNCR denitration optimal control system and control method | |
| CN102641645B (en) | Removing system for sintering fuel gas dioxin and method thereof | |
| CN205216508U (en) | Carbon disulfide exhaust -gas treatment tail gas reprocessing device | |
| KR20190066941A (en) | Reduction apparatus for complex pollutants from semiconductor process | |
| CN201780227U (en) | Gas preprocessing device applied to analytical instrument | |
| JP7269865B2 (en) | Exhaust gas treatment device and exhaust gas treatment method | |
| JPH11300159A (en) | Dioxins treating device | |
| CN203123802U (en) | System for eliminating dioxin and heavy metals in incineration gas | |
| CN101165407A (en) | Garbage landfill gas concentration control system | |
| CN101322905B (en) | Method for purifying and processing cement revolving tubular kiln cooperated with consumer waste incineration flue gas |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20161230 |