CN201144216Y - U-shaped ammonia communicating tube system of coke oven air suction tube - Google Patents
U-shaped ammonia communicating tube system of coke oven air suction tube Download PDFInfo
- Publication number
- CN201144216Y CN201144216Y CNU2007200169994U CN200720016999U CN201144216Y CN 201144216 Y CN201144216 Y CN 201144216Y CN U2007200169994 U CNU2007200169994 U CN U2007200169994U CN 200720016999 U CN200720016999 U CN 200720016999U CN 201144216 Y CN201144216 Y CN 201144216Y
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- CN
- China
- Prior art keywords
- air suction
- suction pipe
- ammoniacal liquor
- tube
- closed tube
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a U-shaped ammonia communicating tube system of an air suction tube of a coke furnace, which is characterized in that the air suction tube is directly communicated with an air collection tube; an air suction tube clapboard is arranged inside the air suction tube near the location of the air collection tube; the U-shaped ammonia communicating tube is arranged at the bottom part of the air suction tube at the location of the air suction tube clapboard; one end of the communicating tube is taken as the inlet of the ammonia, is arranged at the side of the air collection tube of the air suction tube clapboard and is communicated to the bottom of the air suction tube; the other end of the communicating tube is taken as the outlet of the ammonia, is arranged at the other side of the air suction tube clapboard and is inserted into the air suction tube from the bottom of the air suction tube; the height of the outlet and the ammonia level in the air collection tube are on the same plane; the side of the air collection tube of the air suction tube clapboard is provided with an ammonia cleaning tube which penetrates the wall of the air suction tube and the outlet of the ammonia cleaning tube just faces to the ammonia inlet of the U-shaped ammonia communicating tube. The utility model has a reasonable structure; the ammonia flowing resistance is small; the ammonia communicating tube is hard to be plugged and is cleaned conveniently; besides, as the air suction tube is directly communicated with the air collection tube, the utility model does not need to be provided with a bridge frame for the air suction tube; thereby reducing the construction cost of the project.
Description
Technical field
The utility model relates to the specific equipment that control ammoniacal liquor is discharged in a kind of coal oven dithio-gas system, and particularly a kind of resistance is little, the coke oven air suction pipe U-shaped ammoniacal liquor closed tube system of being convenient to clean.
Background technology
A large amount of raw gas that coke oven is discharged from coking chamber in process of coking are in upcast is collected effuser, and the raw gas temperature is reduced to 80～90 ℃ after ammoniacal liquor sprays about 800 ℃.As shown in Figure 1, in the conventional coke oven collecting main and air suction pipe system, raw gas after the cooling, flow to air suction pipe from effuser by air suction bending tube, ammoniacal liquor in the effuser, flow to air suction pipe through the tar box, gas-liquid is converged by being located at the air suction pipe coevolution product job shop on the air suction pipe crane span structure then, carries out gas-liquid separation.
The problem that traditional natural gas gathering system exists is:
1, the tar box easily stops up, and causes the ammoniacal liquor circulation not smooth;
Effuser overheating deforming accident if because of forced outage stops to spray the ammonia scrubbing cooling, will take place in 2, the raw gas of discharging from coking chamber.
3, owing to be not directly to be connected between effuser and the air suction pipe, but be communicated with, so crane span structure must be set to carry the loading of about 40 meters long air suction pipes by the tar box.
As seen, how eliminating the overheated accident that crumples of above-mentioned effuser is the important topics that design natural gas gathering system with cancellation air suction pipe crane span structure to save steel.
Summary of the invention
In order to overcome the defective that prior art exists, the purpose of this utility model provides a kind of cancellation tar box and air suction pipe crane span structure, and stop to spray ammonia scrubbing when cooling having an accident, can also there be a large amount of ammoniacal liquor in the effuser, make effuser temporarily stop to spray under the situation of ammoniacal liquor, can not deform, can also save construction investment simultaneously.
The summary of the utility model coke oven air suction pipe U-shaped ammoniacal liquor closed tube system for content:
The utility model coke oven air suction pipe U-shaped ammoniacal liquor closed tube system, air suction pipe directly is communicated on the effuser, be provided with the air suction pipe dividing plate in the inner position of air suction pipe near effuser, path between effuser and the air suction pipe is cut off, air suction pipe bottom at air suction pipe dividing plate place is provided with U type ammoniacal liquor closed tube, and import is positioned at the effuser side of air suction pipe dividing plate and is communicated at the bottom of the air suction pipe pipe end of U type ammoniacal liquor closed tube as ammoniacal liquor; The other end of U type ammoniacal liquor closed tube is positioned at air suction pipe dividing plate opposite side as ammoniacal liquor outlet and inserts air suction pipe at the bottom of the air suction pipe pipe, and this goes out the interior ammoniacal liquor liquid level of open height and effuser and is on the horizontal plane.
The other end of described U type ammoniacal liquor closed tube inserts air suction pipe and penetrates air suction pipe at the bottom of the air suction pipe pipe, its end is as the hand sweeping hole and use the flange cover closure, it is inner near establishing the ammoniacal liquor outlet on the sidewall of air suction pipe pipe bottom to be positioned at air suction pipe at this pipeline section, and this ammoniacal liquor liquid level that goes out in open height and the effuser is on the horizontal plane.
Be provided with water seal in the described ammoniacal liquor outlet, water seal height is not less than the peak pressure of raw gas in the air suction pipe.
Effuser side at described air suction pipe dividing plate is provided with ammoniacal liquor cleaning pipe, and it penetrates the air suction pipe tube wall and it exports over against the import of U type ammoniacal liquor closed tube ammoniacal liquor.
On described U type ammoniacal liquor closed tube, be provided with steaming out pipe and VENT PLUG.
Compared with prior art, the beneficial effects of the utility model are:
1, the ammoniacal liquor circulation is smooth and easy, is difficult for stopping up;
2, can avoid stopping to spray the effuser overheating deforming accident that the ammonia scrubbing cooling is taken place because of forced outage.
3, owing to cancelled the tar box, air suction pipe directly is communicated on the effuser, thus need not to be provided with the air suction pipe crane span structure, thereby reduced the engineering construction cost.
Description of drawings
Fig. 1 is conventional coke oven collecting main, air suction pipe connected system figure;
Fig. 2 is a coke oven air suction pipe U-shaped ammoniacal liquor closed tube system diagram;
Fig. 3 is the coke oven air suction pipe U-shaped ammoniacal liquor closed tube system diagram in band hand sweeping hole;
Fig. 4 is the aminoacyl site detail drawing of Fig. 3.
Among the figure: the 12-tar box 13-air suction pipe crane span structure of 1-effuser 2-air suction bending tube 3-air suction pipe 4-air suction pipe dividing plate 5-U type ammoniacal liquor closed tube 6-VENT PLUG 7-U type ammoniacal liquor closed tube ammoniacal liquor import 8-U type ammoniacal liquor closed tube ammoniacal liquor outlet 9-steaming out pipe 10-ammoniacal liquor cleaning pipe 11-hand sweeping hole
Embodiment
The utility model coke oven air suction pipe U-shaped ammoniacal liquor closed tube system is achieved in that below in conjunction with accompanying drawing and specifies.
Embodiment one is not for the coke oven air suction pipe U-shaped ammoniacal liquor closed tube system in hand sweeping hole:
See Fig. 2, air suction pipe 3 directly is communicated on the effuser 1, being provided with air suction bending tube 2 between air suction pipe 3 and the effuser 1 is communicated with air suction pipe 3 and effuser 1, be provided with air suction pipe dividing plate 4 in the inner position of air suction pipe near effuser, path between effuser 1 and the air suction pipe 3 is cut off, air suction pipe bottom at air suction pipe dividing plate 4 places is provided with U type ammoniacal liquor closed tube 5, and an end of closed tube is positioned at the effuser side of air suction pipe dividing plate 4 as ammoniacal liquor import 7 and is communicated to the 3 pipe ends of air suction pipe; The other end of closed tube 5 is positioned at air suction pipe dividing plate 4 opposite sides as ammoniacal liquor outlet 8 and inserts air suction pipe 3 from the 3 pipe ends of air suction pipe, this ammoniacal liquor liquid level that goes out in open height and the effuser 1 is on the horizontal plane, makes that the ammoniacal liquor liquid level in effuser 1 and the air suction pipe 3 is consistent.Effuser side at air suction pipe dividing plate 4 is provided with ammoniacal liquor cleaning pipe 10, and it penetrates the air suction pipe tube wall and it exports over against U type ammoniacal liquor closed tube ammoniacal liquor import 7; U type bottom at U type ammoniacal liquor closed tube 5 is provided with steaming out pipe 9 and VENT PLUG 6, and steaming out pipe 9 penetrates air suction pipe 3 by air suction pipe 3 medullary rays, and its end is provided with steam valve and tube stub.
Under the normal operating condition, steam valve is closed, and ammoniacal liquor cleaning pipe 10 is discharged ammoniacal liquor all the time, is used for cleaning the impurity such as tar that accumulate in U type ammoniacal liquor closed tube 5 ammoniacal liquor imports 7 places, stops up to prevent ammoniacal liquor import 7; Every certain cycle of operation, the tube stub of steaming out pipe 9 ends is connected with steam-pipe, open steam valve, be deposited on impurity such as tar in the U type ammoniacal liquor closed tube 5 with steaming out, stop up to prevent U type ammoniacal liquor closed tube 5.
Embodiment two is the coke oven air suction pipe U-shaped ammoniacal liquor closed tube system in band hand sweeping hole:
See Fig. 2 and Fig. 3, compare with embodiment one, the end that U type ammoniacal liquor closed tube is positioned at the air suction pipe side of air suction pipe dividing plate 4 inserted air suction pipe 3 backs and penetrates air suction pipe 3 from the 3 pipe ends of air suction pipe, its end is as hand sweeping hole 11 flange cover closure, be positioned on the inner sidewalls of air suction pipe 3 at this pipeline section and establish ammoniacal liquor outlet 8 near air suction pipes 3 pipe bottoms, this ammoniacal liquor liquid level that goes out in open height and the effuser 1 is on the horizontal plane, makes that the ammoniacal liquor liquid level in effuser 1 and the air suction pipe 3 is consistent.Be provided with water seal in the ammoniacal liquor outlet 8, water seal height H is not less than the peak pressure of raw gas in the air suction pipe 3.
Under the normal operating condition, steam valve is closed, and ammoniacal liquor cleaning pipe 10 is discharged ammoniacal liquor all the time, is used for cleaning the impurity such as tar that accumulate in U type ammoniacal liquor closed tube 5 ammoniacal liquor imports 7 places, stops up to prevent ammoniacal liquor import 7; Every certain cycle of operation, the tube stub of steaming out pipe 9 ends is connected with steam-pipe, open steam valve, be deposited on impurity such as tar in the U type ammoniacal liquor closed tube 5 with steaming out, stop up to prevent U type ammoniacal liquor closed tube 5; Still can not be fine after taking above-mentioned measure during solution U type ammoniacal liquor closed tube 5 blocking problem, can open the flange plate on the hand sweeping hole 11, manually remove the impurity of U type ammoniacal liquor closed tube 5.
In the practical application, can decide the system form that adopts embodiment one or embodiment two according to the coal-tar middle oil content of impurity that waits of raw gas.The utility model is applicable to all conventional oven Formed Coke Furnace, the ammoniacal liquor circulation is smooth and easy, be difficult for stopping up, can avoid stopping to spray the effuser overheating deforming accident that the ammonia scrubbing cooling is taken place because of forced outage, and because air suction pipe directly is communicated on the effuser, need not to be provided with the air suction pipe crane span structure, its scope of application is extensive, and saves construction investment.
Claims (5)
1. coke oven air suction pipe U-shaped ammoniacal liquor closed tube system, it is characterized in that: air suction pipe directly is communicated on the effuser, be provided with the air suction pipe dividing plate in the inner position of air suction pipe near effuser, path between effuser and the air suction pipe is cut off, air suction pipe bottom at air suction pipe dividing plate place is provided with U type ammoniacal liquor closed tube, and import is positioned at the effuser side of air suction pipe dividing plate and is communicated at the bottom of the air suction pipe pipe end of U type ammoniacal liquor closed tube as ammoniacal liquor; The other end of U type ammoniacal liquor closed tube is positioned at air suction pipe dividing plate opposite side as ammoniacal liquor outlet and inserts air suction pipe at the bottom of the air suction pipe pipe, and this goes out the interior ammoniacal liquor liquid level of open height and effuser and is on the horizontal plane.
2. coke oven air suction pipe U-shaped ammoniacal liquor closed tube according to claim 1 system, it is characterized in that: the other end of described U type ammoniacal liquor closed tube inserts air suction pipe and penetrates air suction pipe at the bottom of the air suction pipe pipe, its end is as the hand sweeping hole and use the flange cover closure, it is inner near establishing the ammoniacal liquor outlet on the sidewall of air suction pipe pipe bottom to be positioned at air suction pipe at this pipeline section, and this ammoniacal liquor liquid level that goes out in open height and the effuser is on the horizontal plane.
3. coke oven air suction pipe U-shaped ammoniacal liquor closed tube according to claim 2 system is characterized in that: be provided with water seal in the described ammoniacal liquor outlet, water seal height is not less than the peak pressure of raw gas in the air suction pipe.
4. according to claim 1,2 or 3 described coke oven air suction pipe U-shaped ammoniacal liquor closed tube systems, it is characterized in that: the effuser side at described air suction pipe dividing plate is provided with ammoniacal liquor cleaning pipe, and it penetrates the air suction pipe tube wall and it exports over against the import of U type ammoniacal liquor closed tube ammoniacal liquor.
5. coke oven air suction pipe U-shaped ammoniacal liquor closed tube according to claim 1 and 2 system is characterized in that: be provided with steaming out pipe and VENT PLUG on described U type ammoniacal liquor closed tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200169994U CN201144216Y (en) | 2007-12-17 | 2007-12-17 | U-shaped ammonia communicating tube system of coke oven air suction tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200169994U CN201144216Y (en) | 2007-12-17 | 2007-12-17 | U-shaped ammonia communicating tube system of coke oven air suction tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201144216Y true CN201144216Y (en) | 2008-11-05 |
Family
ID=40081086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200169994U Expired - Lifetime CN201144216Y (en) | 2007-12-17 | 2007-12-17 | U-shaped ammonia communicating tube system of coke oven air suction tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201144216Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188349A (en) * | 2021-04-23 | 2021-07-30 | 武汉钢铁有限公司 | Method for recycling low-temperature waste heat of coke oven raw gas |
-
2007
- 2007-12-17 CN CNU2007200169994U patent/CN201144216Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188349A (en) * | 2021-04-23 | 2021-07-30 | 武汉钢铁有限公司 | Method for recycling low-temperature waste heat of coke oven raw gas |
| CN113188349B (en) * | 2021-04-23 | 2022-05-31 | 武汉钢铁有限公司 | Method for recycling low-temperature waste heat of coke oven raw gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081105 |