CN204569812U - A kind of automatic-adjusting device controlling coke oven NO_x formation - Google Patents
A kind of automatic-adjusting device controlling coke oven NO_x formation Download PDFInfo
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- CN204569812U CN204569812U CN201520228462.9U CN201520228462U CN204569812U CN 204569812 U CN204569812 U CN 204569812U CN 201520228462 U CN201520228462 U CN 201520228462U CN 204569812 U CN204569812 U CN 204569812U
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- coke oven
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- heating
- flue
- adjusting device
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- 239000000571 coke Substances 0.000 title claims abstract description 46
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 230000001276 controlling effect Effects 0.000 claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 239000003034 coal gas Substances 0.000 claims abstract description 16
- 238000004458 analytical method Methods 0.000 claims abstract description 13
- 230000001174 ascending effect Effects 0.000 claims abstract description 9
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000005619 thermoelectricity Effects 0.000 claims description 3
- 238000004939 coking Methods 0.000 abstract description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 28
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- -1 nitrogen oxide compound Chemical class 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Coke Industry (AREA)
Abstract
The utility model relates to a kind of automatic-adjusting device controlling coke oven NO_x formation, comprising: be arranged on the flue temperature measurement on-line device on flue standard thermometric quirk; Be arranged on the ascending tube crude-gas temperature measuring equipment on upcast; Be arranged on the heating gas measurement of caloric value on heating gas pipeline supervisor and setting device; Be arranged on heated air flow measurement amount and the setting device of coke oven both sides air regenerator entrance; Be arranged on the heating quirk combustion chamber coal gas quantity regulating device of heating quirk combustion chamber; Above device is connected with Computer Analysis Controlling System respectively.Compared with prior art, the beneficial effects of the utility model are: the control that 1) both can realize coke oven discharged nitrous oxides, can realize again the automatization that coke oven heating regulates, and are significant to the skill upgrading of China's coking circle and environment protection; 2) with removed the method for oxynitride by vent gas treatment mode compared with, huge investment and maintenance cost is decreased, less investment, instant effect.
Description
Technical field
The utility model relates to coke oven control techniques field, particularly relates to a kind of automatic-adjusting device of the control coke oven NO_x formation for pushing up dress coke oven or tamping coke furnace.
Background technology
At present, the computer heating control of domestic and international coke oven is mainly by artificial thermometric, temperature-measuring results is copied into computer system, carry out data analysis in computer systems, which, according to delayed analytical results, carry out artificial mechanical regulation, workload is very large, often makes heated condition can not get effective monitoring.Its consequence uses too much heating coal gas, not only cause energy dissipation, and too much heating gas can make coke oven vertical flame path local heating temperature too high in combustion, generates a large amount of oxynitride.
Oxynitride is the pollutant effulent of serious harm human health and ecotope, burning is one of the main source of discharged nitrous oxides, according to the industry standard that coking industry association formulates, 2014-2015, the standard of coking industry discharged nitrous oxides is 500mg/m
3, and nearly all independent coke-oven plant has all exceeded this standard.
Current enterprise, for the standard practice of the amount of nitrogen oxides reduced in coke oven exhaust gas, is drawn at flue position blower fan by waste gas, carries out catalyzed reaction displacement, send air flue emission again back to in air after reaching emission standard.This way can cause the secondary of electric energy to waste, and the investment for the treatment of facility is huge, and can bring secondary pollution.
The mechanism generating oxynitride in coke oven combustion process is divided into following three types: 1) temperature heating power type, and the aerial nitrogen that namely burns at high temperature is oxidized the oxynitride of generation; 2) hydrocarbon fuel Quick-type, namely hydrocarbon system fuel decomposes when burning, the oxynitride that its degradation production and nitrogen reaction generate; 3) containing N Components Fuel type, the organic nitrogen compound namely in fuel is oxidized the oxynitride of generation in combustion.Wherein temperature heating power type is the main source of oxynitride, namely the most of the nitrogen oxide compound produced in coking production process causes due to high temperature, and when temperature is higher than 1400 DEG C, formation of nitrogen oxides exponentially rule increases rapidly, and temperature lower than 1400 DEG C time, produce oxynitride hardly.Therefore, coke oven vertical flame path temperature of controlling well just can control the generation of oxynitride.
Utility model content
The utility model provides a kind of automatic-adjusting device controlling coke oven NO_x formation, by on-line measurement and real-time Data Transmission, grasp the heating parameters at each position of coke oven timely and accurately, by computer control system fine adjustment heating gas and the flow adding warm air, coke oven heating fire path temperature is controlled at 950 ~ 1320 DEG C, realize the object controlling coke oven NO_x formation.
In order to achieve the above object, the utility model realizes by the following technical solutions:
Control an automatic-adjusting device for coke oven NO_x formation, comprising:
Be arranged on flue standard thermometric quirk, for measuring the flue temperature measurement on-line device of flue temperature;
Be arranged on upcast, for measuring the ascending tube crude-gas temperature measuring equipment of raw gas temperature;
Be arranged on heating gas pipeline supervisor, for measuring heating gas measurement of caloric value and the setting device of caloric power of gas and the total coal gas amount of adjustment;
Be arranged on coke oven both sides air regenerator entrance, for measuring and regulate heated air flow measurement amount and the setting device of heated air flow amount;
Be arranged on heating quirk combustion chamber, for regulating the heating quirk combustion chamber coal gas quantity regulating device of the horizontally-arranged and single flue coal gas amount component in heating quirk combustion chamber;
Above device is connected with Computer Analysis Controlling System respectively.
Described Computer Analysis Controlling System is DCS or PLC.
Described flue temperature measurement on-line device, ascending tube crude-gas temperature measuring equipment are optical pyrometer, thermoelectricity occasionally temperature sensor.
Described heating gas measurement of caloric value and setting device are made up of calorific value meter, under meter and automatic regulating valve.
Described heated air flow measurement amount and setting device are made up of under meter and automatic regulating valve.
Described heating quirk combustion chamber coal gas quantity regulating device is automatic regulating valve.
Described Computer Analysis Controlling System connects point flue suction force setting device be arranged on point flue in addition, and point flue suction force setting device is a point flue automatic-adjusting device.
Compared with prior art, the beneficial effects of the utility model are:
1) both can realize the control of coke oven discharged nitrous oxides, the automatization that coke oven heating regulates can be realized again, the skill upgrading of China's coking circle and environment protection are significant;
2) with removed the method for oxynitride by vent gas treatment mode compared with, huge investment and maintenance cost is decreased, less investment, instant effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Seeing Fig. 1, is structural representation of the present utility model, and a kind of automatic-adjusting device controlling coke oven NO_x formation of the utility model, comprising:
Be arranged on flue standard thermometric quirk, for measuring the flue temperature measurement on-line device of flue temperature;
Be arranged on upcast, for measuring the ascending tube crude-gas temperature measuring equipment of raw gas temperature;
Be arranged on heating gas pipeline supervisor, for measuring heating gas measurement of caloric value and the setting device of caloric power of gas and the total coal gas amount of adjustment;
Be arranged on coke oven both sides air regenerator entrance, for measuring and regulate heated air flow measurement amount and the setting device of heated air flow amount;
Be arranged on heating quirk combustion chamber, for regulating the heating quirk combustion chamber coal gas quantity regulating device of the horizontally-arranged and single flue coal gas amount component in heating quirk combustion chamber;
Above device is connected with Computer Analysis Controlling System respectively.
Described Computer Analysis Controlling System is DCS or PLC.
Described flue temperature measurement on-line device, ascending tube crude-gas temperature measuring equipment are optical pyrometer, thermoelectricity occasionally temperature sensor.
Described heating gas measurement of caloric value and setting device are made up of calorific value meter, under meter and automatic regulating valve.
Described heated air flow measurement amount and setting device are made up of under meter and automatic regulating valve.
Described heating quirk combustion chamber coal gas quantity regulating device is automatic regulating valve.
Described Computer Analysis Controlling System connects point flue suction force setting device be arranged on point flue in addition, and point flue suction force setting device is a point flue automatic-adjusting device.
The above automatic regulating valve can be the high temp .-resistant valve such as stopcock, flap valve, and a point flue automatic-adjusting device is coke oven existing equipment, adopts reverse turning bed structure regulable control.
A kind of principle of work controlling the automatic-adjusting device of coke oven NO_x formation of the utility model is, by the temperature of on-line measurement coke oven heating quirk, on-line measurement or subsidiary caloric power of gas and coefficient of excess air, and import above data into Computer Analysis Controlling System, regulate and control the coal gas amount of each heating quirk and add quantity of hot air, the temperature of coke oven heating quirk is controlled at 950 ~ 1320 DEG C, thus controls the generation of oxynitride in coke oven.
Heating fire path temperature measurement point is positioned at flue standard thermometric quirk and coke oven coke oven uprising tube place, caloric power of gas measurement point and total coal gas amount check point are positioned on heating gas pipeline, coal gas amount component check point is positioned at heating quirk combustion chamber, adds quantity of hot air check point and is positioned at air regenerator entrance.As assistant regulating and controlling means, establish a point flue suction force check point at a point flue in addition.
A kind of working process controlling the automatic-adjusting device of coke oven NO_x formation described in the utility model is: be arranged on the flue temperature measurement on-line measurement device flue temperature on flue standard thermometric quirk, the ascending tube crude-gas temperature measuring equipment be arranged on coke oven coke oven uprising tube measures ascending tube crude-gas temperature, be arranged on heating gas pipeline supervisor on heating gas measurement of caloric value device as calorific value measurement amount caloric power of gas, the total gas flow of flowmeter survey; Be arranged on the heated air flow measuring device of coke oven both sides air regenerator entrance as flowmeter survey heated air flow amount; The digital information that above measuring apparatus obtains is delivered in Computer Analysis and Controlling System by signal conversion and transmission circuit, carries out analytical calculation by computer by the program pre-entered.After calculation result compares with target setting value, Computer Analysis and Controlling System start corresponding setting device automatically, as heating gas measure and in setting device for regulating the automatic regulating valve of coal gas amount, for regulating automatic regulating valve and the heating quirk chamber temperature setting device of heated air flow amount in heated air flow measurement amount and setting device.By co-ordinate motion, the temperature of coke oven heating quirk is controlled at 950 ~ 1320 DEG C, thus control the generation of oxynitride in coke oven.
Claims (7)
1. control an automatic-adjusting device for coke oven NO_x formation, it is characterized in that, comprising:
Be arranged on the flue temperature measurement on-line device on flue standard thermometric quirk;
Be arranged on the ascending tube crude-gas temperature measuring equipment on upcast;
Be arranged on the heating gas measurement of caloric value on heating gas pipeline supervisor and setting device;
Be arranged on heated air flow measurement amount and the setting device of coke oven both sides air regenerator entrance;
Be arranged on the heating quirk combustion chamber coal gas quantity regulating device of heating quirk combustion chamber;
Above device is connected with Computer Analysis Controlling System respectively.
2. a kind of automatic-adjusting device controlling coke oven NO_x formation according to claim 1, is characterized in that, described Computer Analysis Controlling System is DCS or PLC.
3. a kind of automatic-adjusting device controlling coke oven NO_x formation according to claim 1, is characterized in that, described flue temperature measurement on-line device, ascending tube crude-gas temperature measuring equipment are optical pyrometer, thermoelectricity occasionally temperature sensor.
4. a kind of automatic-adjusting device controlling coke oven NO_x formation according to claim 1, is characterized in that, described heating gas measurement of caloric value and setting device are made up of calorific value meter, under meter and automatic regulating valve.
5. a kind of automatic-adjusting device controlling coke oven NO_x formation according to claim 1, is characterized in that, described heated air flow measurement amount and setting device are made up of under meter and automatic regulating valve.
6. a kind of automatic-adjusting device controlling coke oven NO_x formation according to claim 1, is characterized in that, described heating quirk combustion chamber coal gas quantity regulating device is automatic regulating valve.
7. a kind of automatic-adjusting device controlling coke oven NO_x formation according to claim 1, it is characterized in that, described Computer Analysis Controlling System connects point flue suction force setting device be arranged on point flue in addition, and point flue suction force setting device is a point flue automatic-adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228462.9U CN204569812U (en) | 2015-04-15 | 2015-04-15 | A kind of automatic-adjusting device controlling coke oven NO_x formation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228462.9U CN204569812U (en) | 2015-04-15 | 2015-04-15 | A kind of automatic-adjusting device controlling coke oven NO_x formation |
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| Publication Number | Publication Date |
|---|---|
| CN204569812U true CN204569812U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520228462.9U Active CN204569812U (en) | 2015-04-15 | 2015-04-15 | A kind of automatic-adjusting device controlling coke oven NO_x formation |
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| CN (1) | CN204569812U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666495A (en) * | 2018-12-21 | 2019-04-23 | 唐山首钢京唐西山焦化有限责任公司 | Fault judgment method for coke oven carbonization chamber |
| CN110317614A (en) * | 2019-06-10 | 2019-10-11 | 临涣焦化股份有限公司 | A kind of coke oven production source control nitre device |
| CN115074141A (en) * | 2022-06-17 | 2022-09-20 | 鞍山华泰环能工程技术有限公司 | Method and device for controlling combustion degree of heat recovery coke oven and coke oven system |
-
2015
- 2015-04-15 CN CN201520228462.9U patent/CN204569812U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666495A (en) * | 2018-12-21 | 2019-04-23 | 唐山首钢京唐西山焦化有限责任公司 | Fault judgment method for coke oven carbonization chamber |
| CN110317614A (en) * | 2019-06-10 | 2019-10-11 | 临涣焦化股份有限公司 | A kind of coke oven production source control nitre device |
| CN115074141A (en) * | 2022-06-17 | 2022-09-20 | 鞍山华泰环能工程技术有限公司 | Method and device for controlling combustion degree of heat recovery coke oven and coke oven system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190606 Address after: Room 903, No. 6, Hongqi South Street, Qianshan District, Anshan City, Liaoning Province Patentee after: Liaoning Acu-Rite coking energy saving and Environmental Protection Engineering Technology Co Ltd Address before: 114001 No. 111-65 Hunan Street, Tiedong District, Anshan City, Liaoning Province Patentee before: Liu Yexuan |
|
| TR01 | Transfer of patent right |