CN205046044U - Coke oven exhaust stack raw coke oven gas cleaning device - Google Patents
Coke oven exhaust stack raw coke oven gas cleaning device Download PDFInfo
- Publication number
- CN205046044U CN205046044U CN201520850213.3U CN201520850213U CN205046044U CN 205046044 U CN205046044 U CN 205046044U CN 201520850213 U CN201520850213 U CN 201520850213U CN 205046044 U CN205046044 U CN 205046044U
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- China
- Prior art keywords
- coke oven
- nitrogen
- emission pipe
- raw gas
- clearing apparatus
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Abstract
The embodiment of the utility model discloses coke oven exhaust stack raw coke oven gas cleaning device, include: clean air circuit breaker, nitrogen gas air feeder and nitrogen gas pipeline, wherein: clean the air circuit breaker and the nitrogen gas pipeline all includes air inlet and gas outlet, the air inlet that cleans the air circuit breaker with nitrogen gas air feeder is linked together, the gas outlet and the air inlet of nitrogen gas pipeline is linked together, the gas outlet embedding of nitrogen gas pipeline sets up in the coke oven exhaust stack. When the coke oven exhaust stack diffuse finish after, open and clean the air circuit breaker, the nitrogen gas that nitrogen gas air feeder produced can enter into the nitrogen gas pipeline through cleaning the air circuit breaker, enters into the coke oven exhaust stack at last, gets rid of the raw coke oven gas in the coke oven exhaust stack totally, has eliminated the potential safety hazard that the raw coke oven gas produced at exhaust stack internal accumulation.
Description
Technical field
The utility model relates to coking industry coking technology field, particularly relates to a kind of coke oven emission pipe raw gas clearing apparatus.
Background technology
Can produce a large amount of raw gas in coke oven production process accumulates in coke oven collecting main, and coke oven emission pipe is exactly the pipeline of periodic exhaustion raw gas.When the air pressure that the raw gas deposited in coke oven collecting main produces exceedes normal value, by opening the flap valve between coke oven collecting main and coke oven emission pipe, raw gas in coke oven collecting main is discharged, also has portfire in the raw gas outlet of bleeder simultaneously, for raw gas is lighted, preventing pollution environment.
In prior art, after the complete raw gas of coke oven emission tube drainage, owing to there is no clearing apparatus, part raw gas is caused to get rid of, accumulate between flap valve to diffusion mouth, this part raw gas can only rely on buoyancy to be slowly diffused in air and go, and causes environmental pollution like this.And the diffusion process time length is long, raw gas has the features such as inflammable and explosive again, very easily produces security incident in diffusion process.
Utility model content
The utility model embodiments provides a kind of coke oven emission pipe raw gas clearing apparatus, raw gas cannot be discharged problem completely to solve coke oven emission pipe in prior art.
In order to solve the problems of the technologies described above, the utility model embodiment discloses following technical scheme:
A kind of coke oven emission pipe raw gas clearing apparatus, comprising: cleaning air circuit breaker, nitrogen air feeder and nitrogen pipeline, wherein:
Described cleaning air circuit breaker and nitrogen pipeline include inlet mouth and air outlet;
The inlet mouth of described cleaning air circuit breaker is connected with described nitrogen air feeder, air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.
Preferably, described cleaning air circuit breaker comprises magnetic valve;
Described nitrogen pipeline comprises the first nitrogen pipeline and the second nitrogen pipeline, and the two ends of described first nitrogen pipeline are communicated with the inlet mouth of described nitrogen air feeder and described magnetic valve respectively; The air outlet of described magnetic valve is connected with the inlet mouth of described second nitrogen pipeline, and the air outlet of described second nitrogen pipeline embeds and is arranged in coke oven emission pipe.
Preferably, also comprise Controlling System, described Controlling System is electrically connected with described magnetic valve;
Preferably, also comprise by-pass valve, described by-pass valve two ends are connected with the second nitrogen tube with described first nitrogen tube respectively.
Preferably, described Controlling System comprises pressure unit and DCS system and output module, and described pressure unit is electrically connected with described DCS system and output module.
Preferably, described pressure unit comprises pressure transmitter, and described pressure transmitter is electrically connected with described DCS system and output module, and described pressure transmitter is fixedly installed in coke oven collecting main.
Preferably, described by-pass valve is provided with by-pass valve switch, and by-pass valve described in described by-pass valve on-off control opens or cuts out.
Preferably, also comprise local controlling box, described local controlling box is electrically connected with described magnetic valve and pressure unit respectively.
Preferably, described Controlling System also comprises time setting module, and described time setting module is electrically connected with described DCS system and output module.
From above technical scheme, a kind of coke oven emission pipe raw gas clearing apparatus that the utility model embodiment provides, comprise: cleaning air circuit breaker, nitrogen air feeder and nitrogen pipeline, wherein: described cleaning air circuit breaker and nitrogen pipeline include inlet mouth and air outlet, the inlet mouth of described cleaning air circuit breaker is connected with described nitrogen air feeder, air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.After coke oven emission pipe diffuses, open cleaning air circuit breaker, the nitrogen that described nitrogen air feeder produces can by cleaning air circuit breaker, enter into nitrogen pipeline, finally enter into coke oven emission pipe, raw gas in coke oven emission pipe is got rid of clean, eliminate the potential safety hazard that raw gas produces in bleeder inner accumulated.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of coke oven emission pipe raw gas clearing apparatus that Fig. 1 provides for the utility model embodiment;
The structural representation of the another kind of coke oven emission pipe raw gas clearing apparatus that Fig. 2 provides for the utility model embodiment.
In Fig. 1-2, symbol is expressed as:
1-Controlling System, 2-magnetic valve, 3-nitrogen air feeder, 401-first nitrogen pipeline, 402-second nitrogen pipeline, 5-by-pass valve, 6-pressure unit, 7-DCS system and output module, 8-pressure transmitter, 9-by-pass valve switch, the local controlling box of 10-, 11-time setting module.
Embodiment
Technical scheme in the utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
See Fig. 1, for the structural representation of a kind of coke oven emission pipe raw gas clearing apparatus that the utility model embodiment provides, described coke oven emission pipe changes coal gas clearing apparatus and comprises: Controlling System 1, cleaning air circuit breaker, nitrogen air feeder 3, nitrogen pipeline and local controlling box 10.Cleaning air circuit breaker in the coke oven emission pipe raw gas clearing apparatus that the present embodiment provides is magnetic valve 2, described Controlling System 1 is for controlling described magnetic valve 2, described magnetic valve 2 and nitrogen pipeline include inlet mouth and air outlet, the inlet mouth of described magnetic valve 2 is connected with described nitrogen air feeder 3, air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.
Described Controlling System 1 comprises pressure unit 6, DCS system and output module 7 and time setting module 11, and described pressure unit 6 and time set certain block 11 and is all electrically connected with DCS system and output module 7;
Pressure unit 6 comprises again pressure transmitter 8, and described pressure transmitter 8 is fixedly installed in coke oven emission pipe, and described pressure transmitter 8 is for detecting the atmospheric pressure value in coke oven emission pipe in real time;
DCS system and output module 7 transmit for pressure unit described in real-time reception 6 the atmospheric pressure value of coming, and judge, send different steering orders and export, and are used for controlling the switch of described magnetic valve 2.
Time setting module 11, for inputting setting-up time, and by the time tranfer of setting in described DCS system and output module 7, for controlling the time of nitrogen purging coke oven emission pipe.
Nitrogen pipeline comprises again the first nitrogen pipeline 401 and the second nitrogen pipeline 402, and the two ends of described first nitrogen pipeline 401 are communicated with the inlet mouth of described nitrogen air feeder 3 and described magnetic valve 2 respectively; The air outlet of described magnetic valve 2 is connected with the inlet mouth of described second nitrogen pipeline 402, the air outlet of described second nitrogen pipeline 402 embeds and is arranged in coke oven emission pipe, nitrogen flows through magnetic valve 2 by described first nitrogen pipeline 401, enter into coke oven emission pipe by the second nitrogen pipeline 402, the raw gas of remnants is got rid of clean.
Coke oven emission pipe raw gas clearing apparatus in the present embodiment is provided with local controlling box 10, and described local controlling box 10 is electrically connected with described magnetic valve 2 and pressure unit 6 respectively.PLC, trip switch and rly. etc. are provided with in described local controlling box 10.If encounter power failure or fault, DCS system and output module 7 cannot control described magnetic valve 2 switch normally, now the pressure data in coke oven collecting main is transferred to the PLC in described local controlling box 10 by described pressure unit 6, after described PLC analyzing and processing, then operator are according to operation instruction, by magnetic valve 2 described in described trip switch, complete raw gas cleaning works.
In the present embodiment, coke oven emission pipe raw gas clearing apparatus control method is specially:
Pressure unit 6 detects atmospheric pressure value in coke oven collecting main by pressure transmitter 8 and sends DCS system and output module 7 to, has preset air pressure threshold value in DCS system and output module 7.
If coke oven emission does not also terminate, described DCS system and output module 7 receive the force value come from pressure unit 6 transmission and are greater than the air pressure threshold value preset, now DCS system and output module 7 send closed electromagnetic valve instruction, because now magnetic valve 2 is in closing condition, therefore magnetic valve 2 can keep original state constant.
If after coke oven emission pipe diffuses, coke oven emission flap valve cuts out, described DCS system and output module 7 receive the force value come from pressure unit 6 transmission and are less than the air pressure threshold value preset, now DCS system and output module 7 send magnetic valve 2 OPEN to magnetic valve 2, described magnetic valve 2 receives the switch opens of Controlling solenoid valve 2 after OPEN, the nitrogen that now nitrogen air feeder 3 produces flows through magnetic valve 2 by the first nitrogen pipeline 401 and enters the second nitrogen pipeline 402, then coke oven emission pipe is entered into, raw gas in bleeder is purged.
After the closedown of coke oven emission flap valve, raw gas gathers, air pressure now in coke oven collecting main is inevitable can become again large, described DCS system and output module 7 receive the force value come from pressure unit 6 transmission and are greater than the air pressure threshold value preset, now DCS system and output module 7 send closed electromagnetic valve instruction, because now magnetic valve 2 is in opened condition, therefore magnetic valve 2 can cut out.
But in order to ensure to clean effect, the nitrogen purging time can be set by time setting module 11, and the general setting nitrogen purging time is 2-3 minute, is certainly not limited to described numerical value.Such magnetic valve 2 after purging 2-3 minute, can complete shutoff operation.
If said process cannot complete automatically, also by the open and close of local controlling box 10 Non-follow control magnetic valve 2, complete whole purge.
As seen from the above-described embodiment, the coke oven emission pipe raw gas clearing apparatus provided in the present embodiment comprises Controlling System 1, magnetic valve 2, nitrogen air feeder 3, nitrogen pipeline and local controlling box 10, and the inlet end of described magnetic valve 2 is connected with described nitrogen air feeder 3, outlet side is connected with the inlet end of described nitrogen pipeline.Described Controlling System 1 detects in real time atmospheric pressure value in coke oven collecting main and Controlling solenoid valve 2 opens and closes, the nitrogen gas stream produced in nitrogen air feeder 3 is made to enter coke oven emission pipe through magnetic valve 2, after purging, magnetic valve 2 cuts out, nitrogen is circulated end, magnetic valve 2 can also be opened and closed by local controlling box 10 manual hand manipulation, complete the purging to raw gas in coke oven bleeder.The automatization of described automatic cleaning device and Long-distance Control, raw gas residual in coke oven emission pipe is got rid of clean by nitrogen, eliminate the potential safety hazard that raw gas produces in bleeder inner accumulated, simultaneously, using nitrogen as cleaning medium, make use of nitrogen stable chemical nature and the low advantage of cost, ensure that the security of cleaning process.
Corresponding with a kind of coke oven emission pipe raw gas clearing apparatus embodiment that the utility model provides, the utility model additionally provides the embodiment of another kind of coke oven emission pipe raw gas clearing apparatus.
See Fig. 2, for the structural representation of the another kind of coke oven emission pipe raw gas clearing apparatus that the utility model embodiment provides, the coke oven emission pipe provided in the present embodiment as described in Figure changes coal gas clearing apparatus and comprises: Controlling System 1, cleaning air circuit breaker, nitrogen air feeder 3, nitrogen pipeline and local controlling box 10.
Compared with above-described embodiment, the cleaning air circuit breaker in the coke oven emission pipe raw gas clearing apparatus that the present embodiment provides comprises magnetic valve 2 and by-pass valve 5, identical all with above-mentioned coke oven emission pipe raw gas clearing apparatus of other structures.
Described by-pass valve 5 two ends are connected with the second nitrogen tube (402) with described first nitrogen tube (401) respectively, and described by-pass valve 5 is provided with by-pass valve switch 9, and described by-pass valve switch 9 is for opening and closing by-pass valve 5.
If when magnetic valve 2 breaks down or circuit goes wrong, nitrogen can be controlled enter coke oven emission pipe by opening by-pass valve 5, after then purging 2-3 minute, manually close by-pass valve 5.
Other structures of the coke oven emission pipe raw gas clearing apparatus provided in the present embodiment and apparatus control method, same with the above-mentioned embodiment, see above-described embodiment, can not repeat them here.
As seen from the above-described embodiment, the coke oven emission pipe raw gas clearing apparatus provided in the present embodiment is provided with by-pass valve 5, described by-pass valve 5 is provided with by-pass valve switch 9, and the inlet end of described by-pass valve 5 is connected with described nitrogen air feeder 3 by the first nitrogen tube 401, outlet side is connected with the inlet end of described second nitrogen tube 402.Like this when running into power failure or automatic control system fault, not exclusively can rely on described magnetic valve 2, open by-pass valve 5 manually and just can complete purging to raw gas residual in coke oven bleeder, then Artificial Control purge time, close by-pass valve 5, whole purge is convenient and swift.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Device embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only embodiment of the present utility model, those skilled in the art is understood or realizes the utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a coke oven emission pipe raw gas clearing apparatus, is characterized in that, comprising: cleaning air circuit breaker, nitrogen air feeder (3) and nitrogen pipeline, wherein:
Described cleaning air circuit breaker and nitrogen pipeline include inlet mouth and air outlet;
The inlet mouth of described cleaning air circuit breaker is connected with described nitrogen air feeder (3), air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.
2. coke oven emission pipe raw gas clearing apparatus according to claim 1, it is characterized in that, described cleaning air circuit breaker comprises magnetic valve (2);
Described nitrogen pipeline comprises the first nitrogen pipeline (401) and the second nitrogen pipeline (402), and the two ends of described first nitrogen pipeline (401) are communicated with the inlet mouth of described nitrogen air feeder (3) and described magnetic valve (2) respectively; The air outlet of described magnetic valve (2) is connected with the inlet mouth of described second nitrogen pipeline (402), and the air outlet of described second nitrogen pipeline (402) embeds and is arranged in coke oven emission pipe.
3. coke oven emission pipe raw gas clearing apparatus according to claim 2, is characterized in that, also comprise Controlling System (1), described Controlling System (1) is electrically connected with described magnetic valve (2).
4. coke oven emission pipe raw gas clearing apparatus according to claim 2, it is characterized in that, also comprise by-pass valve (5), described by-pass valve (5) two ends are connected with the second nitrogen tube (402) with described first nitrogen tube (401) respectively.
5. coke oven emission pipe raw gas clearing apparatus according to claim 3, it is characterized in that, described Controlling System (1) comprises pressure unit (6) and DCS system and output module (7), and described pressure unit (6) is electrically connected with described DCS system and output module (7).
6. coke oven emission pipe raw gas clearing apparatus according to claim 5, it is characterized in that, described pressure unit (6) comprises pressure transmitter (8), described pressure transmitter (8) is electrically connected with described DCS system and output module (7), and described pressure transmitter (8) is fixedly installed in coke oven collecting main.
7. coke oven emission pipe raw gas clearing apparatus according to claim 4, it is characterized in that, described by-pass valve (5) is provided with by-pass valve switch (9), and described by-pass valve switch (9) controls described by-pass valve (5) and opens or close.
8. coke oven emission pipe raw gas clearing apparatus according to claim 5, it is characterized in that, also comprise local controlling box (10), described local controlling box (10) is electrically connected with described magnetic valve (2) and pressure unit (6) respectively.
9. coke oven emission pipe raw gas clearing apparatus according to claim 5, it is characterized in that, described Controlling System also comprises time setting module (11), and described time setting module (11) is electrically connected with described DCS system and output module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850213.3U CN205046044U (en) | 2015-10-29 | 2015-10-29 | Coke oven exhaust stack raw coke oven gas cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850213.3U CN205046044U (en) | 2015-10-29 | 2015-10-29 | Coke oven exhaust stack raw coke oven gas cleaning device |
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| Publication Number | Publication Date |
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| CN205046044U true CN205046044U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520850213.3U Expired - Fee Related CN205046044U (en) | 2015-10-29 | 2015-10-29 | Coke oven exhaust stack raw coke oven gas cleaning device |
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| CN (1) | CN205046044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295963A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
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2015
- 2015-10-29 CN CN201520850213.3U patent/CN205046044U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295963A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
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| Date | Code | Title | Description |
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| 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: 20160224 Termination date: 20191029 |