CN205990366U - A kind of centralized residual neat recovering system of coal oven dithio-gas - Google Patents
A kind of centralized residual neat recovering system of coal oven dithio-gas Download PDFInfo
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- CN205990366U CN205990366U CN201620793937.3U CN201620793937U CN205990366U CN 205990366 U CN205990366 U CN 205990366U CN 201620793937 U CN201620793937 U CN 201620793937U CN 205990366 U CN205990366 U CN 205990366U
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- steam
- coke oven
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- heat exchanger
- raw coke
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
This utility model is related to a kind of centralized residual neat recovering system of coal oven dithio-gas, and including multiple raw coke oven gas Heat Rooms being arranged side by side, raw coke oven gas heat exchange interior sets heat exchanger respectively；One end of heat exchanger heat-exchanging tube connects high-temperature steam house steward respectively, and the other end reduction of fractions to a common denominator does not connect water main；Raw coke oven gas Heat Room connects raw coke oven gas house steward, and raw coke oven gas house steward is connected with each coke oven coke oven uprising tube；High-temperature steam arm and water supply arm are Detachable connection structure, and high-temperature steam arm connects residual steam house steward also by residual steam arm；Each heat exchanger is equipped with heat exchanger bracket, and heat exchanger bracket base sets bracket wheel, track-movable；The raw coke oven gas Heat Room of water supply arm side is provided with Heat Room door.In this utility model, single Heat Room enters under line coke cleaning oil operation as needed respectively, cleaning effect good it is ensured that heat exchange efficiency, raising service life of equipment is it is ensured that the safe and stable operation of heating system.
Description
Technical field
This utility model is related to waste heat of coke oven crude gas recovery technology field, and more particularly, to a kind of coal oven dithio-gas are centralized
Residual neat recovering system.
Background technology
Coal oven dithio-gas recovery technology has already been through the research of decades, mostly takes decentralized residual heat recovery side at present
Formula, that is, at each coke oven coke oven uprising tube, setting heat-exchanger rig collects the waste heat of raw coke oven gas, the waste heat recovery rate of this mode respectively
Low.In recent years, centralized waste heat recovery mode is occurred in that for coal oven dithio-gas, the raw coke oven gas of effusion will be collected in coke oven
Middle collection, then carries out unifying heat exchange through Heat Room or heat exchanger, and remaining heat recovery efficiency is higher than decentralized residual heat recovery mode.
But there is a problem of that tar hung by heat exchanger or even coking is difficult to clear up all the time, after causing equipment operation, arise that heat exchange is imitated soon
Heat exchanger is blocked when serious and scraps by the phenomenon that rate substantially reduces, and the cycle that its coking need to be cleared up is the shortest only 20 days about, greatly
Hinder greatly the development of centralized waste heat recovery mode.Although people investigated the device and method of much online coke cleaning oil,
But using effect is not very good, coke cleaning oil mode optimal at present remains to take apart under line and carries out thorough cleaning.Very bright
Aobvious, for the centralized waste heat recovery mode using a heat transmission equipment, cannot clear up using under line.
Content of the invention
This utility model provides a kind of centralized residual neat recovering system of coal oven dithio-gas, adopts with little generation greatly, change is less
Many methods, realize the centralized waste heat recovery to raw coke oven gas, single Heat Room by multiple Heat Rooms being connected in parallel on pipeline
Enter under line coke cleaning oil operation as needed respectively, cleaning effect good it is ensured that heat exchange efficiency, raising service life of equipment；Many
The high-temperature steam producing after individual raw coke oven gas Heat Room difference heat exchange imports in high-temperature steam house steward, and single raw coke oven gas Heat Room is offline
Cleaning inconspicuous on total steam conveying capacity impact it is ensured that the safe and stable operation of heating system.
In order to achieve the above object, this utility model employs the following technical solutions realization：
A kind of centralized residual neat recovering system of coal oven dithio-gas, including multiple raw coke oven gas Heat Rooms being arranged side by side, each
Raw coke oven gas heat exchange interior sets heat exchanger respectively；It is total that one end of heat exchanger heat-exchanging tube connects high-temperature steam by high-temperature steam arm
Pipe, the other end of heat exchanger heat-exchanging tube connects water main by water supply arm；Raw coke oven gas Heat Room passes through raw coke oven gas arm even
Meet raw coke oven gas house steward, raw coke oven gas arm sets raw coke oven gas valve, in addition raw coke oven gas house steward is connected with each coke oven coke oven uprising tube；
High-temperature steam arm near heat exchanger side is provided with steam valve one, by high-temperature steam flowing direction, steam valve
High-temperature steam arm after one is provided with steam pipe flange, and the high-temperature steam arm of steam pipe flange both sides is detachably connected；
High-temperature steam arm before steam pipe flange is provided with steam valve two, is provided with residual steam between steam valve two and steam pipe flange
Arm, each residual steam arm connects residual steam house steward respectively, and residual steam arm is provided with residual steam valve；
Water supply arm near heat exchanger opposite side is provided with feed water valve one, by water (flow) direction, the water supply after feed water valve one
Water supply pipe flange is set on arm, the water supply arm of water supply pipe flange both sides is detachably connected；Water supply before water supply pipe flange is propped up
Pipe is provided with feed water valve two；
Each heat exchanger is equipped with heat exchanger bracket, and heat exchanger bracket base sets bracket wheel, track-movable；Supply water and prop up
The raw coke oven gas Heat Room of pipe side is provided with Heat Room door.
Described raw coke oven gas Heat Room is provided with by hole in the protruding side of high-temperature steam arm, in heat exchanger from opposite side
When Heat Room door is hauled out, steam valve one passes through, and during normal work, carries out sealing blocking by hole.
Described high-temperature steam arm is provided with temperature measuring equipment.
Described residual steam arm is provided with high-temperature resistant pipeline form.
Described raw coke oven gas heat exchange chamber interior walls set thermal insulation layer.
Compared with prior art, the beneficial effects of the utility model are：
1) adopt with little generation greatly, changing is many methods less, is realized to waste coal by multiple Heat Rooms being connected in parallel on pipeline
The centralized waste heat recovery of gas, single Heat Room enters under line coke cleaning oil operation as needed respectively, cleaning effect good it is ensured that
Heat exchange efficiency, improves service life of equipment；
2) high-temperature steam producing after multiple raw coke oven gas Heat Rooms difference heat exchange imports in high-temperature steam house steward, single famine coal
The offline cleaning of gas Heat Room inconspicuous on total steam conveying capacity impact it is ensured that the safe and stable operation of heating system；
3) heat exchanger adopts packaged type, convenient turnover raw coke oven gas Heat Room；Heat exchanger tube can directly be cleared up, operation side
Just；
4) residual steam in coke cleaning oil operation process is collected by residual steam house steward, accomplishes making full use of of the energy.
Brief description
Fig. 1 is the main view one of the centralized residual neat recovering system of coal oven dithio-gas described in the utility model.
Fig. 2 is the vertical view two of the centralized residual neat recovering system of coal oven dithio-gas described in the utility model.
In figure：1. high-temperature steam house steward 2. high-temperature steam arm 3. steam valve 2 4. residual steam valve 5. residual steam
Arm 6. steam pipe flange, 7. steam valve, one 8. heat exchanger, 9. raw coke oven gas Heat Room, 10. Heat Room door 11. feed water valve one
12. water supply pipe flange, 13. feed water valve, 2 14. water supply arm, 15. water main, 16. track, 17. heat exchanger bracket 18. support
Frame wheel 19. raw coke oven gas valve 20. raw coke oven gas arm 21. passes through hole 22. raw coke oven gas house steward 23. residual steam house steward
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further：
As Figure 1-Figure 2, the centralized residual neat recovering system of a kind of coal oven dithio-gas described in the utility model, including multiple
The raw coke oven gas Heat Room 9 being arranged side by side, sets heat exchanger 8 in each raw coke oven gas Heat Room 9 respectively；One end of heat exchanger 8 heat exchanger tube
High-temperature steam house steward 1 is connected by high-temperature steam arm 2, the other end of heat exchanger 8 heat exchanger tube passes through water supply arm 14 and connects confession
Supply mains 15；Raw coke oven gas Heat Room 9 connects raw coke oven gas house steward 22 by raw coke oven gas arm 20, and raw coke oven gas arm 20 sets raw coke oven gas
Valve 19, in addition raw coke oven gas house steward 22 is connected with each coke oven coke oven uprising tube；
High-temperature steam arm 2 near heat exchanger 8 side is provided with steam valve 1, by high-temperature steam flowing direction, steam
High-temperature steam arm 2 after valve 1 is provided with steam pipe flange 6, and the high-temperature steam arm 2 of steam pipe flange 6 both sides is detachable
Ground connects；High-temperature steam arm 2 before steam pipe flange 6 is provided with steam valve 23, between steam valve 23 and steam pipe flange 6
It is provided with residual steam arm 5, each residual steam arm 5 connects residual steam house steward 23 respectively, residual steam arm 5 is provided with
Residual steam valve 4；
Water supply arm 14 near heat exchanger 8 opposite side is provided with feed water valve 1, by water (flow) direction, after feed water valve 1
Water supply arm 14 on set water supply pipe flange 12, the water supply arm 14 of water supply pipe flange 12 both sides is detachably connected；Feed pipe
Water supply arm 14 before flange 12 is provided with feed water valve 2 13；
Each heat exchanger 8 is equipped with heat exchanger bracket 17, and heat exchanger bracket 17 bottom sets bracket wheel 18, can move along track 16
Dynamic；The raw coke oven gas Heat Room 9 of water supply arm 14 side is provided with Heat Room door 10.
Described raw coke oven gas Heat Room 9 is provided with by hole 21 in the protruding side of high-temperature steam arm 2, for heat exchanger 8 from
When opposite side is hauled out, steam valve 1 passes through, and during normal work, carries out sealing blocking by hole 21.
Described high-temperature steam arm 2 is provided with temperature measuring equipment.
Described residual steam arm 5 is provided with high-temperature resistant pipeline form.
Described raw coke oven gas Heat Room 9 inwall sets thermal insulation layer.
Apply a kind of technical process of the centralized residual neat recovering system of coal oven dithio-gas described in the utility model as follows：
High temperature raw coke oven gas in each tedge of coke oven is collected through raw coke oven gas house steward 22 is unified, then in parallel in raw coke oven gas
Multiple raw coke oven gas arms 20 on house steward 22 respectively enter in corresponding multiple raw coke oven gas Heat Room 9, divide in raw coke oven gas Heat Room 9
It is not provided with heat exchanger 8；The water that multiple water supply arms 14 on water main 15 convey respectively in parallel enters each from side
In the heat exchanger tube of individual heat exchanger 8, carry out heat exchange with entering the high temperature raw coke oven gas in raw coke oven gas Heat Room 9；The height producing after heat exchange
The high-temperature steam arm 2 through heat exchanger 8 opposite side for the warm steam is drawn, and the high temperature drawn respectively from each high-temperature steam arm 2 steams
Vapour imports in high-temperature steam house steward 1；
When the heat exchanger 8 in certain raw coke oven gas Heat Room 9 need to carry out coke cleaning oil operation, raw coke oven gas arm 20 first will be corresponded to
On raw coke oven gas valve 19 close, stop into corresponding raw coke oven gas Heat Room 9 convey raw coke oven gas；Then open residual steam valve 4,
Steam off valve 23；In raw coke oven gas Heat Room 9, remaining high-temperature steam imports residual steam house steward by residual steam arm 5
In 23；In residual steam arm 5 from steam be changed into water when, steam off valve 1, feed water valve 1 and feed water valve 2 13 will steam
Steam pipe flange 6 and water supply pipe flange 12 are taken apart respectively；Open corresponding Heat Room door 10, heat exchanger 8 is passed through heat exchanger bracket 17
Haul out raw coke oven gas Heat Room 9 along track 16 is overall, heat exchanger 8 carries out coke cleaning oil operation；In this heat exchanger 8 coke cleaning oil operation
When, other raw coke oven gas Heat Room 9 normal works；
After the completion of the oil operation of heat exchanger 8 coke cleaning, through suppressing after acceptance(check), push corresponding raw coke oven gas through Heat Room door 10 and change
In hot cell 9；Close Heat Room door 10, high-temperature steam arm 2 is reconnected by steam pipe flange 6, water supply arm 14 is led to
Cross water supply pipe flange 12 to reconnect；Open steam valve 1, feed water valve 1 and feed water valve 2 13, water is via water supply arm 14
Enter in the heat exchanger tube of heat exchanger 8, then flow in residual steam house steward 23 through residual steam arm 5；Open raw coke oven gas arm
Raw coke oven gas valve 19 on 20, the water being passed through into raw coke oven gas Heat Room 9 in high temperature raw coke oven gas exchange heat pipe is heated, and treats high temperature
After steam in steam branch pipe 2 reaches requirement, open steam valve 23, close residual steam valve 4, the height in high-temperature steam arm 2
Warm steam imports in high-temperature steam house steward 1 again.
This utility model is to solve the problems, such as that in the centralized waste heat recovery of raw coke oven gas, heat exchanger 8 coking cleaning is difficult, by routine
Using a big heat exchanger be decomposed into several little heat exchangers 8, each little heat exchanger 8 is connected in parallel on raw coke oven gas house steward 22 and height
Between warm main steam range 1, and water main 15 is connected by water supply arm 14；In raw coke oven gas Heat Room 9 high temperature raw coke oven gas with
Water heat exchange, the high-temperature steam of generation imports in high-temperature steam house steward 1 and uses for subsequent power generation or other production process.Each heat exchanger
8 carry out periodically can coke cleaning oil operation according to service condition or respectively, do not affect high-temperature steam overall steam supply effect, coke cleaning oil operation
Middle residual steam is collected by residual steam house steward 23, for heating or other heating use.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model discloses, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of centralized residual neat recovering system of coal oven dithio-gas changes it is characterised in that including multiple raw coke oven gas being arranged side by side
Hot cell, each raw coke oven gas heat exchange interior sets heat exchanger respectively；One end of heat exchanger heat-exchanging tube is passed through high-temperature steam arm and is connected height
Warm main steam range, the other end of heat exchanger heat-exchanging tube connects water main by water supply arm；Raw coke oven gas Heat Room passes through waste coal
Gas branch pipe connects raw coke oven gas house steward, and raw coke oven gas arm sets raw coke oven gas valve, and in addition raw coke oven gas house steward is connected with each coke oven coke oven uprising tube
Logical；
High-temperature steam arm near heat exchanger side is provided with steam valve one, by high-temperature steam flowing direction, after steam valve one
High-temperature steam arm be provided with steam pipe flange, the high-temperature steam arm of steam pipe flange both sides is detachably connected；Steam
High-temperature steam arm before pipe flange is provided with steam valve two, is provided with residual steam and props up between steam valve two and steam pipe flange
Pipe, each residual steam arm connects residual steam house steward respectively, and residual steam arm is provided with residual steam valve；
Water supply arm near heat exchanger opposite side is provided with feed water valve one, by water (flow) direction, the water supply arm after feed water valve one
On set water supply pipe flange, the water supply arm of water supply pipe flange both sides is detachably connected；On water supply arm before water supply pipe flange
It is provided with feed water valve two；
Each heat exchanger is equipped with heat exchanger bracket, and heat exchanger bracket base sets bracket wheel, track-movable；Water supply arm one
The raw coke oven gas Heat Room of side is provided with Heat Room door.
2. a kind of centralized residual neat recovering system of coal oven dithio-gas according to claim 1 is it is characterised in that described famine coal
Gas Heat Room is provided with by hole in the protruding side of high-temperature steam arm, for steaming when opposite side Heat Room door is hauled out in heat exchanger
Steam valve one passes through, and during normal work, carries out sealing blocking by hole.
3. the centralized residual neat recovering system of a kind of coal oven dithio-gas according to claim 1 is it is characterised in that described high temperature
Steam branch pipe is provided with temperature measuring equipment.
4. the centralized residual neat recovering system of a kind of coal oven dithio-gas according to claim 1 is it is characterised in that described residue
Steam branch pipe is provided with high-temperature resistant pipeline form.
5. a kind of centralized residual neat recovering system of coal oven dithio-gas according to claim 1 is it is characterised in that described famine coal
Gas heat exchange chamber interior walls set thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620793937.3U CN205990366U (en) | 2016-07-27 | 2016-07-27 | A kind of centralized residual neat recovering system of coal oven dithio-gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620793937.3U CN205990366U (en) | 2016-07-27 | 2016-07-27 | A kind of centralized residual neat recovering system of coal oven dithio-gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205990366U true CN205990366U (en) | 2017-03-01 |
Family
ID=58102635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620793937.3U Active CN205990366U (en) | 2016-07-27 | 2016-07-27 | A kind of centralized residual neat recovering system of coal oven dithio-gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205990366U (en) |
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2016
- 2016-07-27 CN CN201620793937.3U patent/CN205990366U/en active Active
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