CN207294681U - A kind of tedge waste heat recycling system easy to drum maintenance - Google Patents
A kind of tedge waste heat recycling system easy to drum maintenance Download PDFInfo
- Publication number
- CN207294681U CN207294681U CN201721313284.5U CN201721313284U CN207294681U CN 207294681 U CN207294681 U CN 207294681U CN 201721313284 U CN201721313284 U CN 201721313284U CN 207294681 U CN207294681 U CN 207294681U
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- CN
- China
- Prior art keywords
- pipe
- drum
- blow
- bypass line
- water inlet
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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 - Fee Related
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Classifications
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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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model is related to it is a kind of easy to drum maintenance tedge waste heat recycling system, including drum, oxygen-eliminating device, except oxygen pump, feed pump, hot water circulating pump and rise heat exchange of heat pipe；Except oxygen pump, oxygen-eliminating device, feed pump and drum are connected by desalination water pipe, water inlet pipe connection rises heat exchange of heat pipe, hot water circulating pump and drum, return pipe connection drum and rises heat exchange of heat pipe, and the impurity in drum is discharged by blow-off pipe；Its improvements is：The connecting bypass pipeline I between return pipe and blow-off pipe, the connecting bypass pipeline II between desalination water pipe and water inlet pipe, installs control valve on bypass line I, bypass line II, desalination water pipe, water inlet pipe, blow-off pipe and return pipe respectively.The utility model can keep tedge heat exchange to continue during being overhauled to drum or drum safety valve, not influence to produce, and ensure the continuity of production.
Description
Technical field
A kind of tedge waste heat recycling system easy to drum maintenance is the utility model is related to, belongs to waste heat of coke oven recycling
Utilize systems technology field.
Background technology
For environmental protection and the recycling for realizing resource, utilized more equipped with waste heat of coke oven crude gas in coking production enterprise
System.As shown in Figure 1, existing coke oven coke oven uprising tube residual neat recovering system mainly include drum, oxygen-eliminating device, except oxygen pump, feed pump,
Hot water circulating pump, rise the control unit such as heat exchange of heat pipe and electric instrument equipment；The connection of desalination water pipe is except oxygen pump, oxygen-eliminating device, feedwater
Pump and drum, by the way that demineralized water is pumped into drum through oxygen-eliminating device, feedwater except oxygen pump, the water in drum by hot water circulating pump pass through into
Water pipe press-in rises heat exchange of heat pipe and absorbs high temperature raw coke oven gas（About 750 DEG C）Sensible heat, the gas-liquid mixture of generation through return pipe again
Drum is returned to, the saturated vapor produced in drum is incorporated to the existing steam pipe network in coke-oven plant, drum after being separated by steam-water separator
In impurity by draining into pollution discharge pond outside blow-off pipe.
In coke oven coke oven uprising tube residual neat recovering system, drum is heating, evaporation, the connection hinge of blowdown process and boundary
Point, it in the process of running, can be because boiler water quality be poor, drum encrustation corrodes caused by problem not in time for blowdown, also can be because transporting
Abrupt pressure change causes drum inner wall to be hit during row, also can temperature shock and then production caused by drum full water, water shortage accident
The problem of raw larger thermal stress, causes to damage to drum；The factor of visible influences drum stable operation is very much, thus to drum into
Row periodic inspection is necessary, and the periodic inspection of drum safety valve also needs to stop drum and can carry out, but due to life
Continuity requirement is produced, requires rising heat exchange of heat pipe also to want normal use when drum overhauls, it is clear that existing system can not meet vapour
The normal use for rising heat exchange of heat pipe is realized while bag maintenance.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of tedge waste heat recovery profit easy to drum maintenance
With system, by adding pipeline and valve, realize the normal use for rising heat exchange of heat pipe while drum maintenance, ensure production
Continuity.
Solve above-mentioned technical problem technical solution be：
It is a kind of easy to drum maintenance tedge waste heat recycling system, including drum, oxygen-eliminating device, except oxygen pump, feedwater
Pump, hot water circulating pump and rising heat exchange of heat pipe；Except oxygen pump, oxygen-eliminating device, feed pump and drum are connected by desalination water pipe, water inlet pipe
Connection rises heat exchange of heat pipe, hot water circulating pump and drum, and return pipe connects drum and rises heat exchange of heat pipe, and the impurity in drum leads to
Cross blow-off pipe discharge；Its improvements is：The connecting bypass pipeline I between return pipe and blow-off pipe, in desalination water pipe and water inlet
Connecting bypass pipeline II between pipe, on bypass line I, bypass line II, desalination water pipe, water inlet pipe, blow-off pipe and return pipe point
Control valve is not installed.
A kind of above-mentioned tedge waste heat recycling system easy to drum maintenance, the control valve on the water inlet pipe
It is installed on the water inlet pipe between drum and bypass line II, the control valve on return pipe is installed on drum and bypass line I
Between return pipe on, the control valve on blow-off pipe is installed on the blow-off pipe between drum and bypass line I, desalination water pipe
On control valve be installed on the desalination water pipe between drum and bypass line II.
A kind of above-mentioned tedge waste heat recycling system easy to drum maintenance, the bypass line I, bypass line
IIth, the caliber of desalination water pipe, water inlet pipe, blow-off pipe and return pipe is identical.
The application method of the utility model is：
When systems are functioning properly, the control valve on bypass line I and bypass line II is closed, demineralized water
Control valve on pipe, water inlet pipe, blow-off pipe and return pipe is in opening；When drum needs maintenance or drum safety valve
When needing to examine, the control valve on desalination water pipe, water inlet pipe, blow-off pipe and return pipe is closed, while open I He of bypass line
Control valve on bypass line II, drum can be overhauled by throwing drum away, and demineralized water is direct in drum maintenance process
Supreme riser heat exchanger is pumped through desalination water pipe, water inlet pipe, hot water circuit, directly pollution discharge pond is drained into through blow-off pipe again afterwards, protects
Card production is carried out continuously.
The beneficial effects of the utility model are：
The utility model can be kept during being overhauled to drum or drum safety valve tedge heat exchange continue into
OK, do not influence to produce, ensure that the continuity of production.
Brief description of the drawings
Fig. 1 preheats recycling system schematic diagram for existing tedge；
Fig. 2 is the utility model structure diagram；
In figure mark for：Drum 1, oxygen-eliminating device 2, except oxygen pump 3, feed pump 4, hot water circulating pump 5, rise heat exchange of heat pipe 6, remove
Brine Pipe 7, water inlet pipe 8, return pipe 9, bypass line I 10, bypass line II 11, control valve 12, blow-off pipe 13.
Embodiment
Fig. 2 shows, a kind of tedge waste heat recycling system easy to drum maintenance of the utility model, including drum 1,
Oxygen-eliminating device 2, except oxygen pump 3, feed pump 4, hot water circulating pump 5 and rise heat exchange of heat pipe 6；Except oxygen pump 3, oxygen-eliminating device 2,4 and of feed pump
Drum 1 is connected by desalination water pipe 7, and the connection of water inlet pipe 8 rises heat exchange of heat pipe 6, hot water circulating pump 5 and drum 1, return pipe 9 and connects
Connect drum 1 and rise heat exchange of heat pipe 6；Demineralized water except oxygen pump 3 by through oxygen-eliminating device 2, feed pump 4 being sent into drum 1, in drum 1
Water is pressed into rising heat exchange of heat pipe 6 through water inlet pipe 8 by hot water circulating pump 5 and absorbs high temperature raw coke oven gas（About 750 DEG C）Sensible heat, generation
Gas-liquid mixture returns again to drum 1 through return pipe 9, and the saturated vapor produced in drum 1 is incorporated to after being separated by steam-water separator
The existing steam pipe network in coke-oven plant, the impurity in drum 1 outside blow-off pipe 13 by draining into pollution discharge pond.In return pipe 9 and blow-off pipe
Connecting bypass pipeline I 10 between 13, the connecting bypass pipeline II 11 between desalination water pipe 7 and water inlet pipe 8, bypass line I 10, side
Control valve 12 is installed respectively on siphunculus road II 11, desalination water pipe 7, water inlet pipe 8, blow-off pipe 13 and return pipe 9；Wherein, intake
Control valve 12 on pipe 8 is installed on the water inlet pipe 8 between drum 1 and bypass line II 11, the control valve on return pipe 9
12 are installed on the return pipe 9 between drum 1 and bypass line I 10, and the control valve 12 on blow-off pipe 13 is installed on 1 He of drum
On blow-off pipe 13 between bypass line I 10, the control valve 12 on desalination water pipe 7 is installed on drum 1 and bypass line II 11
Between desalination water pipe 7 on；Bypass line I 10, bypass line II 11, desalination water pipe 7, water inlet pipe 8, blow-off pipe 13 and return pipe
9 caliber is identical.
The application method of the utility model is：
When systems are functioning properly, the control valve 12 on bypass line I 10 and bypass line II 11 is closed,
Control valve 12 on desalination water pipe 7, water inlet pipe 8, blow-off pipe 13 and return pipe 9 is in opening；When drum 1 needs to overhaul
Or drum safety valve closes the control valve on desalination water pipe 7, water inlet pipe 8, blow-off pipe 13 and return pipe 9 when needing to examine
12, while the control valve 12 on bypass line I 10 and bypass line II 11 is opened, drum 1 can be examined by throwing drum 1 away
Repair, and demineralized water is directly sent to tedge heat exchanger through desalination water pipe 7, water inlet pipe 8, hot water circulating pump 5 in 1 maintenance process of drum
6, pollution discharge pond directly is drained into through blow-off pipe 13 again afterwards, ensures being carried out continuously for production.
Claims (3)
1. a kind of tedge waste heat recycling system easy to drum maintenance, including drum（1）, oxygen-eliminating device（2）, except oxygen pump
（3）, feed pump（4）, hot water circulating pump（5）With rising heat exchange of heat pipe（6）；Except oxygen pump（3）, oxygen-eliminating device（2）, feed pump（4）With
Drum（1）Pass through desalination water pipe（7）Connection, water inlet pipe（8）Connection rises heat exchange of heat pipe（6）, hot water circulating pump（5）And drum
（1）, return pipe（9）Connect drum（1）With rising heat exchange of heat pipe（6）, drum（1）In impurity pass through blow-off pipe（13）Discharge；
It is characterized in that：In return pipe（9）And blow-off pipe（13）Between connecting bypass pipeline I（10）, in desalination water pipe（7）And water inlet pipe
（8）Between connecting bypass pipeline II（11）, bypass line I（10）, bypass line II（11）, desalination water pipe（7）, water inlet pipe（8）、
Blow-off pipe（13）And return pipe（9）It is upper that control valve is installed respectively（12）.
A kind of 2. tedge waste heat recycling system easy to drum maintenance as claimed in claim 1, it is characterised in that：Institute
State water inlet pipe（8）On control valve（12）It is installed on drum（1）With bypass line II（11）Between water inlet pipe（8）On, return
Water pipe（9）On control valve（12）It is installed on drum（1）With bypass line I（10）Between return pipe（9）On, blow-off pipe
（13）On control valve（12）It is installed on drum（1）With bypass line I（10）Between blow-off pipe（13）On, desalination water pipe
（7）On control valve（12）It is installed on drum（1）With bypass line II（11）Between desalination water pipe（7）On.
3. a kind of tedge waste heat recycling system easy to drum maintenance as claimed in claim 1 or 2, its feature exist
In：The bypass line I（10）, bypass line II（11）, desalination water pipe（7）, water inlet pipe（8）, blow-off pipe（13）And return pipe
（9）Caliber it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313284.5U CN207294681U (en) | 2017-10-12 | 2017-10-12 | A kind of tedge waste heat recycling system easy to drum maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313284.5U CN207294681U (en) | 2017-10-12 | 2017-10-12 | A kind of tedge waste heat recycling system easy to drum maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207294681U true CN207294681U (en) | 2018-05-01 |
Family
ID=62414990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721313284.5U Expired - Fee Related CN207294681U (en) | 2017-10-12 | 2017-10-12 | A kind of tedge waste heat recycling system easy to drum maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207294681U (en) |
-
2017
- 2017-10-12 CN CN201721313284.5U patent/CN207294681U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20201012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |