CN106595948A - Coke oven bridge pipe raw gas pressure detection device - Google Patents
Coke oven bridge pipe raw gas pressure detection device Download PDFInfo
- Publication number
- CN106595948A CN106595948A CN201710049765.8A CN201710049765A CN106595948A CN 106595948 A CN106595948 A CN 106595948A CN 201710049765 A CN201710049765 A CN 201710049765A CN 106595948 A CN106595948 A CN 106595948A
- Authority
- CN
- China
- Prior art keywords
- pressure
- coke oven
- gas pressure
- bridge pipe
- crossover main
- 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
- 239000000571 coke Substances 0.000 title claims abstract description 79
- 238000001514 detection method Methods 0.000 title abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000523 sample Substances 0.000 claims abstract description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 238000010079 rubber tapping Methods 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 239000002516 radical scavenger Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 abstract description 12
- 238000004939 coking Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 4
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 2
- 239000000908 ammonium hydroxide Substances 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000003763 carbonization Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
Abstract
The present invention relates to a coke oven bridge pipe raw gas pressure detection device. The device comprises a pressure tapping probe, a differential pressure transmitter and a nitrogen gas blowing system. The pressure tapping probe is installed on a coke oven bridge pipe, the pressure tapping of the pressure tapping probe is stretched into the coke oven bridge pipe, a front-end pressure tapping port is located in the ammonium hydroxide spraying range, and the pressure output end is connected with a first tee joint and a second tee joint in order; the other branch of the first tee joint is connected with a drain plug or maintenance; and one branch of the second tee joint is connected with the differential pressure transmitter though a 3-way ball valve, and the other branch of the second tee joint is connected with the nitrogen gas blowing system formed through the connection of a constant flow gas blowing device, a filtering reducing valve, a one-way valve, a ball valve for air supply and a nitrogen pipeline in order. The coke oven bridge pipe raw gas pressure detection device employs the air blowing method to perform bridge pipe raw gas pressure detection to effectively solve the problem that the pressure tapping pipeline is obstructed caused by the substances such as the dust, the tar, the naphthalene and the like in the raw gas and perform long-term stable operation; and moreover, the accurate detection of the coke oven bridge pipe raw gas pressure is performed, and the measurement error does not exceed the range from -5Pa to +5Pa through test calibration so as to facilitate the pressure control of a coking chamber.
Description
Technical field
The present invention relates to coke-stove gas technical field of pressure detection, more particularly to a kind of coke oven crossover main raw coke oven gas pressure detecting
Device.
Background technology
Coke oven coking chamber pressure is technological parameter important in coking production, and stablizing for carbonization chamber pressure is conducive to coke oven
The quality of clean manufacturing and coke, carbonization room pressure is excessive when such as coalingging is easily caused a large amount of raw coke oven gas and escapes, severe contamination ring
There is quality and the coke oven longevity that negative pressure is easily caused coking chamber wall blowby impact coke in border, coke oven coking latter stage bottom of carbonization chamber
Life.
In order to realize the control to coke oven coking chamber pressure, need to detect carbonization chamber pressure, due to coke oven production technology
Particularity, it is difficult to direct measurement carbonization room pressure；But raw coke oven gas pressure exists with bottom of carbonization chamber pressure at coke oven crossover main
PBridge tubeThe relation of=5+12H (H is vertical dimension of the bottom of carbonization chamber apart from bridge tube pressure tap), therefore can be by measuring coke oven bridge
Raw coke oven gas pressure obtaining coke furnace carbonization chamber base pressure indirectly at pipe, and then realizes the control to coke oven coking chamber pressure.
Because raw coke oven gas contains the materials such as substantial amounts of dust, tar, naphthalene in bridge tube in coke oven production process, in measurement bridge tube
The blocking of pressure pipeline is easily caused during raw coke oven gas pressure, causes pressure measxurement failure, and cause control system maloperation, affected
The normal production run of coke oven.
The content of the invention
The invention provides a kind of coke oven crossover main raw coke oven gas pressure-detecting device, using air blast bridge tube raw coke oven gas pressure is carried out
The detection of power, efficiently solves the problems, such as that the materials such as dust in raw coke oven gas, tar, naphthalene cause pressure pipeline blockage, can be steady for a long time
Fixed operation；The accurate detection of coke oven crossover main raw coke oven gas pressure is realized simultaneously, and Jing Experimental Calibrations measurement error is less than ± 5Pa,
Be conducive to the control of carbonization chamber pressure.
In order to achieve the above object, the present invention employs the following technical solutions realization：
A kind of coke oven crossover main raw coke oven gas pressure-detecting device, including pressure probe, differential pressure transmitter and nitrogen scavenger system；
The pressure probe is arranged on coke oven crossover main, and its pressure end is stretched in coke oven crossover main and front end pressure tappings are located at ammonia and spray model
In enclosing, its pressure output end is sequentially connected the first threeway and the second threeway；Another branch road connection maintenance plug of the first threeway；
One branch road of the second threeway connects differential pressure transmitter by tee ball valve, the connection of another branch road by constant flow blowning installation,
Filtering pressure reducing valve, check valve, air source ball valve and nitrogen pipeline are sequentially connected the nitrogen scavenger system of composition.
The front end pressure tappings of the pressure probe are zigzag, and the angle of its sawtooth point is 30～75 °, sawtooth height >=
10mm。
Pressure interface is reserved on the coke oven crossover main, is connected with pressure probe by flange.
Pressure probe is made up of straight length and inclined tube section, and straight length is located at coke oven crossover main outside, and its length is 150～
200mm；Inclined tube section is located at coke oven crossover main inner side, and its length is 150～210mm；Inclined tube section is to the ammonia spray nozzle in coke oven crossover main
Side updip, and inclination angle≤30 °.
The maintenance plug is female thread plug.
Compared with prior art, the invention has the beneficial effects as follows：
1) efficiently solve the problems, such as that the materials such as dust in raw coke oven gas, tar, naphthalene cause pressure pipeline blockage, can be steady for a long time
Fixed operation, often dismantles without the need for Jing, cleans, and greatly reduces artificial manipulation strength；
2) realize the accurate detection of coke oven crossover main raw coke oven gas pressure, Jing Experimental Calibrations measurement error within ± 5Pa, favorably
In the control of carbonization chamber pressure, the excessive of raw coke oven gas is reduced, alleviate environmental pollution, it is ensured that the steady production of coke oven, extended
The coke oven life-span；
3) simple structure, it is easy to maintenance.
Description of the drawings
Fig. 1 is a kind of structural representation of coke oven crossover main raw coke oven gas pressure-detecting device of the present invention.
Fig. 2 is the structural representation of pressure probe of the present invention.
In figure：1. pressure probe 2. first threeway 3. is overhauled and uses the differential pressure of 4. second threeway of plug, 5. tee ball valve 6.
The coke oven of 11. ammonia spray nozzle of transmitter 7. constant flow blowning installation, 8. filtering pressure reducing valve, 9. check valve, 10. air source ball valve 12.
The tedge of 13. discharge of bridge tube 14.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of coke oven crossover main raw coke oven gas pressure-detecting device of the present invention, including pressure 1 differential pressure of probe
The nitrogen scavenger system of transmitter 6；Pressure probe 1 is mounted on coke oven crossover main 12, its pressure end stretch in coke oven crossover main 12 and
Front end pressure tappings are located in ammonia spraying range, and its pressure output end is sequentially connected the first threeway 2 and the second threeway 4；One or three
Logical 2 another branch road connection maintenance plug 3；One branch road of the second threeway 4 connects differential pressure transmitter 6 by tee ball valve 5,
Another branch road connection is connected successively by constant flow blowning installation 7, filtering pressure reducing valve 8, check valve, air source ball valve 10 and nitrogen pipeline
Connect the nitrogen scavenger system of composition.
As shown in Fig. 2 the front end pressure tappings of the pressure probe 1 are zigzag, the angle of its sawtooth point is 30～75 °,
Sawtooth height >=10mm.
Pressure interface is reserved on the coke oven crossover main 12, is connected with pressure probe 1 by flange.
As shown in Fig. 2 the pressure probe 1 is made up of straight length and inclined tube section, straight length is located at the outside of coke oven crossover main 12,
Its length is L1=150～200mm；Inclined tube section is located at the inner side of coke oven crossover main 12, and its length is L2=150～210mm；Inclined tube section
To the side updip of ammonia spray nozzle 11 in coke oven crossover main 12, and angle of inclination beta≤30 °.
The maintenance plug 3 is female thread plug.
As shown in figure 1, the two ends of coke oven crossover main 12 connect respectively tedge 14 and discharge 13, its effect is when the discharging of the coke
Water seal valve disc is closed, the cyclic ammonia water of continuous sprinkling forms water seal in valve body, blocks the passage of tedge 14 and discharge 13,
Carbonization chamber is isolated from coal gas system；In the present invention, stretch into the probe of the pressure in coke oven crossover main 12 1 and be inclined upwardly certain angle
Degree, make pressure pop one's head in 1 leading section be located at bridge tube ammonia spraying range in, to pressure pop one's head in 1 leading section may adhere to dust,
The materials such as tar, naphthalene play flushing action, are prevented effectively from the blocking of pressure probe 1.
In follow-up pressure pipeline, nitrogen scavenger system is connected by one end of the second threeway 4, i.e., entered using air blast
The detection of row raw coke oven gas pressure, can effectively intercept the materials such as dust, tar, naphthalene and enter in pressure pipeline, it is to avoid pressure pipeline
Blocking.Check valve 9 in nitrogen scavenger system can prevent coal gas from flowing backwards pollution nitrogen；The other end Jing three-way balls of the second threeway 4
Valve 5 is connected to the malleation chamber of differential pressure transmitter 6, and the effect of tee ball valve 5 is to lead the malleation chamber of differential pressure transmitter 6 with pressure point
Logical or cut-out, and balance check can be carried out to differential pressure transmitter 6.
As shown in figure 1, the upper interface of the vertical direction of the first threeway 2 connects maintenance plug 3 in figure, maintenance plug 3 is
Female thread plug, when 1 long-play or misoperation generation surprisingly blocking are popped one's head in pressure, can remove maintenance plug 3, from
The corresponding branch road of the first threeway 2 carries out artificial dredging and blocks up to pressure probe 1.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (5)
1. a kind of coke oven crossover main raw coke oven gas pressure-detecting device, it is characterised in that including pressure probe, differential pressure transmitter and nitrogen
Scavenger system；The pressure probe is arranged on coke oven crossover main, and its pressure end stretches in coke oven crossover main and front end pressure tappings are located at
In ammonia spraying range, its pressure output end is sequentially connected the first threeway and the second threeway；Another branch road connection of the first threeway
Maintenance plug；One branch road of the second threeway connects differential pressure transmitter by tee ball valve, and another branch road connects by constant current
Amount blowning installation, filtering pressure reducing valve, check valve, air source ball valve and nitrogen pipeline are sequentially connected the nitrogen scavenger system of composition.
2. a kind of coke oven crossover main raw coke oven gas pressure-detecting device according to claim 1, it is characterised in that the pressure is visited
The front end pressure tappings of head are zigzag, and the angle of its sawtooth point is 30～75 °, sawtooth height >=10mm.
3. a kind of coke oven crossover main raw coke oven gas pressure-detecting device according to claim 1, it is characterised in that the coke oven bridge
Pressure interface is reserved on pipe, is connected with pressure probe by flange.
4. a kind of coke oven crossover main raw coke oven gas pressure-detecting device according to claim 1, it is characterised in that the pressure is visited
Head is made up of straight length and inclined tube section, and straight length is located at coke oven crossover main outside, and its length is 150～200mm；Inclined tube section is located at Jiao
Grate pipe inner side, its length is 150～210mm；Inclined tube section to the ammonia spray nozzle side updip in coke oven crossover main, and inclination angle≤
30°。
5. a kind of coke oven crossover main raw coke oven gas pressure-detecting device according to claim 1, it is characterised in that the maintenance is used
Plug is female thread plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049765.8A CN106595948A (en) | 2017-01-23 | 2017-01-23 | Coke oven bridge pipe raw gas pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049765.8A CN106595948A (en) | 2017-01-23 | 2017-01-23 | Coke oven bridge pipe raw gas pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595948A true CN106595948A (en) | 2017-04-26 |
Family
ID=58585183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710049765.8A Pending CN106595948A (en) | 2017-01-23 | 2017-01-23 | Coke oven bridge pipe raw gas pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595948A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677410A (en) * | 2017-09-30 | 2018-02-09 | 中国石油大学(北京) | Crude oil pipeline drop measurement device |
| CN109357809A (en) * | 2018-11-09 | 2019-02-19 | 中冶焦耐自动化有限公司 | A kind of coke oven bridge tube raw coke oven gas pressure-measuring system and method |
| CN109575955A (en) * | 2018-12-20 | 2019-04-05 | 中冶焦耐(大连)工程技术有限公司 | A kind of non-maintaining coke oven bridge tube pressure-measuring system and method automatically |
| CN113088302A (en) * | 2021-04-21 | 2021-07-09 | 山东炜杰化工科技有限公司 | Coke oven bridge pipe on-line coke cleaning and preventing method and device |
| CN113155349A (en) * | 2021-04-26 | 2021-07-23 | 中国石油天然气股份有限公司 | Regeneration tower differential pressure measuring device and regeneration tower differential pressure measuring system |
| CN115190906A (en) * | 2020-03-30 | 2022-10-14 | 安赛乐米塔尔公司 | Device for measuring the internal gas pressure of a coke oven, associated coke oven system and method |
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| US20040129553A1 (en) * | 2001-05-17 | 2004-07-08 | Frank Krebber | Device for controlling the gas pressure in a coke oven chamber |
| CN200967795Y (en) * | 2006-11-17 | 2007-10-31 | 张万管 | Coking furnace charring chamber pressure regulating device |
| CN201665660U (en) * | 2010-01-08 | 2010-12-08 | 中钢设备有限公司 | Automatic pressure adjusting device of carbonizing chamber of coke oven |
| CN105316012A (en) * | 2014-06-12 | 2016-02-10 | 中国平煤神马集团许昌首山焦化有限公司 | Device and method of adjustment and control of pressure of carbonization chamber in coking process of large-size coke oven |
| CN106147803A (en) * | 2016-08-11 | 2016-11-23 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven coking chamber pressure adjusting means and control method |
| CN106167711A (en) * | 2016-07-28 | 2016-11-30 | 中冶焦耐(大连)工程技术有限公司 | A kind of existing coke oven realizes the pressure controlled remodeling method of single hole carbonization chamber |
| CN206479277U (en) * | 2017-01-23 | 2017-09-08 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven crossover main raw coke oven gas pressure-detecting device |
-
2017
- 2017-01-23 CN CN201710049765.8A patent/CN106595948A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040129553A1 (en) * | 2001-05-17 | 2004-07-08 | Frank Krebber | Device for controlling the gas pressure in a coke oven chamber |
| CN200967795Y (en) * | 2006-11-17 | 2007-10-31 | 张万管 | Coking furnace charring chamber pressure regulating device |
| CN201665660U (en) * | 2010-01-08 | 2010-12-08 | 中钢设备有限公司 | Automatic pressure adjusting device of carbonizing chamber of coke oven |
| CN105316012A (en) * | 2014-06-12 | 2016-02-10 | 中国平煤神马集团许昌首山焦化有限公司 | Device and method of adjustment and control of pressure of carbonization chamber in coking process of large-size coke oven |
| CN106167711A (en) * | 2016-07-28 | 2016-11-30 | 中冶焦耐(大连)工程技术有限公司 | A kind of existing coke oven realizes the pressure controlled remodeling method of single hole carbonization chamber |
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| CN206479277U (en) * | 2017-01-23 | 2017-09-08 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven crossover main raw coke oven gas pressure-detecting device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677410A (en) * | 2017-09-30 | 2018-02-09 | 中国石油大学(北京) | Crude oil pipeline drop measurement device |
| CN107677410B (en) * | 2017-09-30 | 2019-05-14 | 中国石油大学(北京) | Crude oil pipeline drop measurement device |
| CN109357809A (en) * | 2018-11-09 | 2019-02-19 | 中冶焦耐自动化有限公司 | A kind of coke oven bridge tube raw coke oven gas pressure-measuring system and method |
| CN109575955A (en) * | 2018-12-20 | 2019-04-05 | 中冶焦耐(大连)工程技术有限公司 | A kind of non-maintaining coke oven bridge tube pressure-measuring system and method automatically |
| CN115190906A (en) * | 2020-03-30 | 2022-10-14 | 安赛乐米塔尔公司 | Device for measuring the internal gas pressure of a coke oven, associated coke oven system and method |
| CN113088302A (en) * | 2021-04-21 | 2021-07-09 | 山东炜杰化工科技有限公司 | Coke oven bridge pipe on-line coke cleaning and preventing method and device |
| CN113088302B (en) * | 2021-04-21 | 2023-02-17 | 山东炜杰化工科技有限公司 | Coke oven bridge pipe on-line coke cleaning and preventing method and device |
| CN113155349A (en) * | 2021-04-26 | 2021-07-23 | 中国石油天然气股份有限公司 | Regeneration tower differential pressure measuring device and regeneration tower differential pressure measuring system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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