CN207486779U - The steam trap connection of thermal power generation reheated steam conveyance conduit - Google Patents
The steam trap connection of thermal power generation reheated steam conveyance conduit Download PDFInfo
- Publication number
- CN207486779U CN207486779U CN201721627632.6U CN201721627632U CN207486779U CN 207486779 U CN207486779 U CN 207486779U CN 201721627632 U CN201721627632 U CN 201721627632U CN 207486779 U CN207486779 U CN 207486779U
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- Prior art keywords
- drain
- pipe
- trap
- liquid level
- steam
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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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- 238000010248 power generation Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 239000010865 sewage Substances 0.000 claims description 10
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 238000003303 reheating Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model is related to a kind of steam trap connections of thermal power generation reheated steam conveyance conduit,Union elbow both ends are connect with reheated steam conveyance conduit,The upper end connection union elbow of drain trap,The side of drain trap is provided with liquid level gauge,Liquid level gauge is connected by connecting pipe with the inner cavity of drain trap,Pipeline expansion joint is provided in connecting pipe,The opposite side of drain trap is provided with drain pipe,Drain valve is provided on drain pipe,Drain trap connects flash vessel by drain pipe,The lower end of drain trap is provided with drainpipe,Drain valve is provided on drainpipe,The setting of the utility model union elbow,The condensed water in reheated steam conveyance conduit is facilitated to enter drain trap,Utilize the characteristic of steam flows upward,Effectively it can prevent steam from entering drain trap,Avoid steam leakage,Liquid level gauge monitors liquid level information in drain trap in real time,The keying of drain valve and drain valve is controlled by the liquid level information.
Description
Technical field：
The utility model belongs to thermal power generation equipment technical field, and in particular to a kind of heating power hair of thermal power generation station-service
The steam trap connection of electric reheated steam conveyance conduit.
Background technology：
During thermal power generation, the superheated steam of boiler generation enters Turbo-generator Set and generates electricity, later steam
Pressure and temp can decline, pressure and temp decline after steam can not directly participate in again Turbo-generator Set participate in work, mesh
Preceding general method is that the steam after work is condensed into condensation water again, is fed again into boiler and heats after processing, generation
Superheated steam, such method heat generation steam from condensation water, and institute's calorific requirement is larger, and energy waste is serious, for this purpose, technical staff
Introduce reheater, pressure and temp decline after steam directly lead back in the reheater in boiler, directly raising steam temperature and
Moral character, so as to be reused to steam.Reheated steam is just called by the steam of reheater.
Reheated steam can generate condensation in transmission process, to prevent the condensed water in pipeline from entering steam turbine generator
Group usually sets drain trap on conveyance conduit, for collecting condensed water, stockpiling condensation water in the duct by beating automatically
It opens hydrophobic valve and leads to flash vessel, to recycle.Existing drain trap is generally made of a straight tube and plugging plate, on straight tube
The lowest part of end connection steam conveying pipe, lower end and the plugging plate of straight tube are welded and fixed, and the setting trepanning of straight tube side, which connects, dredges
Water valve, the interior setting ball-cock assembly of straight tube.Straight tube lower end is welded and fixed with plugging plate, in use, is caused by vapor condensation
Temperature change influence, weld seam easily cracks, cracks, lead to the leakage of steam in pipeline, influence Turbo-generator Set
Safe and stable operation.In addition, existing reheated steam conveyance conduit is straight tube mostly, condensed water is not easy to flow into drain trap,
Existing drain trap can not observe the liquid level situation in it, inconvenience management, moreover, drain valve is arranged on the side of drain trap, it is cold
The impurity dirt carried in condensate is stockpiled in hydrophobic pot bottom, is not easy to discharge.
Utility model content：
In conclusion in order to overcome the shortcomings of prior art problem, the utility model provides a kind of thermal power generation reheating
The steam trap connection of steam conveying pipe, it is that recessed union elbow is set on reheated steam conveyance conduit, drain trap connection
On union elbow, the setting of recessed union elbow facilitates the condensed water in reheated steam conveyance conduit to enter drain trap, together
When level monitoring device is set in the side of drain trap, which passes through telescopic joint and pipeline and connects drain trap, real
When monitoring drain trap in liquid level information, pass through the liquid level information control drain valve keying.
In order to solve the above technical problems, what the technical solution of the utility model was realized in：
A kind of steam trap connection of thermal power generation reheated steam conveyance conduit, wherein：Including drain trap, union elbow, liquid level
Meter and drain valve, the union elbow pipe fitting recessed for arc, both ends are connect with reheated steam conveyance conduit, described
Drain trap upper end connection union elbow, the side of the drain trap is provided with liquid level gauge, and the liquid level gauge passes through company
Take over road is connected with the inner cavity of drain trap, is provided with pipeline expansion joint in the connecting pipe, the drain trap it is another
Side is provided with drain pipe, and drain valve is provided on the drain pipe, and drain trap connects flash vessel by drain pipe, and described dredges
The lower end of water pot is provided with drainpipe, and drain valve is provided on the drainpipe, and the liquid level gauge is connected by control line
Controller, the controller connect drain valve and drain valve by control line respectively, and the liquid level gauge is detected in drain trap
Liquid level information, controller controls the keying of drain valve or drain valve according to liquid level information.
Further, the drain trap includes the straight pipe and plug of integral structure, and plug is located at the lower end of straight pipe, institute
The upper end opening connection union elbow for the straight pipe stated, the drainpipe are arranged on plug, and the drain pipe is arranged on
Straight pipe.
Further, the plug is hemispherical dome structure, and the drainpipe is arranged on the middle part of plug.
Further, filter is provided on the drainpipe, the filter includes housing, is arranged in housing
Strainer, the water inlet being arranged on housing, sewage draining exit, water outlet and backwash mouth, the water inlet are connected on drainpipe
Drain valve, water outlet connection flash vessel, sewage draining exit connect cesspool by blow-off pipe, blowdown are provided on blow-off pipe
Valve, the backwash mouth connect water pump by flushing pipe, flushing valve are provided on flushing pipe.
The beneficial effects of the utility model are：
1st, the utility model is that recessed union elbow is set on reheated steam conveyance conduit, and drain trap is connected to bend pipe
On connector, the lower end of recessed union elbow is less than reheated steam conveyance conduit, so as to facilitate in reheated steam conveyance conduit
Condensed water enters drain trap, meanwhile, using the characteristic of steam flows upward, it effectively can prevent steam from entering drain trap, keep away
Exempt from steam leakage, while level monitoring device is set in the side of drain trap, which passes through telescopic joint and pipeline
Drain trap is connected, monitors liquid level information in drain trap in real time, the keying of drain valve and drain valve is controlled by the liquid level information.
2nd, the lower end setting drainpipe of the drain trap of the utility model, the condensed water in reheated steam delivery pipe is in drain trap
Interior storage precipitates, and the impurity carried in condensed water is discharged from drainpipe, and impurity is avoided to be retained in drain trap.
3rd, filter is set on the drainpipe of the utility model, in drain trap drainage procedure, the setting of filter can
The effective impurity that condensed water is avoided to carry enters drain valve and flash vessel, and drain valve is protected, meanwhile, the utility model
Filter on setting backwash mouth, by water pump increase water the strainer in filter is backwashed, the setting of sewage draining exit
The impurity remained in filter can be discharged, realizes cleaning and blowdown to strainer screen.
Description of the drawings：
Fig. 1 is the structure diagram of the utility model
1. reheated steam conveyance conduit, 2. union elbows, 3. drain traps, 4. liquid level gauges, 5. drain valves, 6. connecting pipes,
7. pipeline expansion joint, 8. drain pipes, 9. drainpipes, 10. drain valves, 11. controllers, 12. filters,
13. flash vessel, 14. blowdown valves, 15. water pumps, 16. flushing valves, 121. housings, 122. strainers, 123. water inlets,
124. sewage draining exit, 125. water outlets, 126. backwash mouths.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of steam trap connection of thermal power generation reheated steam conveyance conduit, including drain trap 3, liquid level gauge 4,
Union elbow 2, liquid level gauge 4 and drain valve 5, the union elbow 2 pipe fitting recessed for arc, both ends and reheated steam
Conveyance conduit 1 connects, and the upper end connection union elbow 2 of the drain trap 3, the drain trap 3 includes the straight of integral structure
Pipeline section 31 and plug 32, plug 32 are located at the lower end of straight pipe 31, and plug 32 is hemispherical dome structure, the straight pipe 31 it is upper
End opening connects union elbow 2, and the side of the drain trap 3 is provided with liquid level gauge 4, and the liquid level gauge 4 passes through connecting tube
Road 6 is connected with the inner cavity of drain trap 3, is provided with pipeline expansion joint 7 in the connecting pipe 6, the drain trap 3 it is another
Side is provided with drain pipe 8, and the drain pipe 8 is connected to the middle and upper part of straight pipe 31, is provided on the drain pipe 8 hydrophobic
Valve 5, drain trap 3 connect flash vessel 13 by drain pipe 8, and the lower end of the drain trap 3 is provided with drainpipe 9, and drainpipe 9 is set
It puts and drain valve 10 is provided on the middle part of plug 32, the drainpipe 9, the liquid level gauge 4 is connected by control line and controlled
Device 11 processed, the controller 11 connect drain valve 5 and drain valve 10 by control line respectively, and the liquid level gauge 4 detection is dredged
Liquid level information in water pot 3, controller 11 control the keying of drain valve 5 or drain valve 10 according to liquid level information.It is set on drainpipe 9
Filter 12 is equipped with, the filter 12 includes housing 121, and the strainer 122 being arranged in housing 121 is arranged on housing 121
On water inlet 123, sewage draining exit 124, water outlet 125 and backwash mouth 126, the water inlet 123 connection drainpipe 9 on
Drain valve 10, the water outlet 125 connection flash vessel 13, sewage draining exit 124 connect cesspool, the recoil by blow-off pipe
It washes mouth 126 and water pump 15 is connected by flushing pipe, flushing valve 16 is provided on flushing pipe.
The straight pipe 31 and 32 integrally casting of plug of the drain trap 3 of the utility model forge, straight pipe 31 and stifled
First 32 wall thickness is 8mm, and 31 outer diameter 25mm of straight pipe in use, reheated steam is conveyed along reheated steam conveyance conduit 1, was conveyed
The condensed water generated in journey when flowing through union elbow 2, condensed water along union elbow 2 lower floor flow into drain trap 3, vapor compared with
Gently, continue to convey along hot steam conveyance conduit along the upper strata of union elbow 2, condensed water enters from 31 upper end of straight pipe, hydrophobic
It being retained in tank 3, and precipitates standing, liquid level gauge 4 detects the liquid level in drain trap 3, and liquid level information is passed to controller 11, when
When liquid level reaches setting liquid level in drain trap 3, controller 11 sends information to drain valve 5, and drain valve 5 opens drain trap 3
The upper strata clear water of the condensed water inside retained enters flash vessel 13 from drain pipe 8, when liquid level drops to certain altitude in drain trap 3
Afterwards, drain valve 5 is closed, and drain valve 10 is opened, and the water with impurity of lower sediment is discharged from drainpipe 9 in drain trap 3, is passed through
Filter 12 enters flash vessel 13 after filtering.When the utility model after a period of use, drain valve 5 and drain valve 10 are closed, and are beaten
Boiling water pump 15, flushing valve 16 and blowdown valve 14, water pump 15 enters through flushing valve 16 in filter 12 after water for cleaning is pressurized, right
Strainer 122 in filter 12 is backwashed, and the sewage after flushing is discharged through sewage draining exit 124.
The straight pipe 31 and plug 32 of the drain trap 3 of the utility model are structure as a whole, so as to effectively improve drain trap 3
Intensity, the generation for phenomena such as avoiding influence of the temperature change to drain trap 3, avoiding weld cracking ensures that system is stablized.
The liquid level gauge 4 of the utility model is connected by connecting pipe 6 with the inner cavity of drain trap 3, in the connecting pipe 6
Pipeline expansion joint 7 is provided with, the setting of the pipeline expansion joint 7 can eliminate influence of the temperature change to connecting pipe 6, keep away
Exempt from connecting pipe 6 interface go out it is cracked.
It is noted that embodiment described above is to the illustrative and not limiting of technical solutions of the utility model, affiliated skill
The equivalent replacement of art field those of ordinary skill or the other modifications made according to the prior art, as long as not new beyond this practicality
The thinking and range of type technical solution should be included within the interest field required by the utility model.
Claims (4)
1. a kind of steam trap connection of thermal power generation reheated steam conveyance conduit, it is characterised in that：Including drain trap（3）, bend pipe connects
Head（2）, liquid level gauge（4）And drain valve（5）, the union elbow（2）The pipe fitting recessed for arc, both ends are steamed with reheating
Vapour conveyance conduit（1）Connection, the drain trap（3）Upper end connection union elbow（2）, the drain trap（3）Side
It is provided with liquid level gauge（4）, the liquid level gauge（4）Pass through connecting pipe（6）With drain trap（3）Inner cavity connection, the company
Take over road（6）On be provided with pipeline expansion joint（7）, the drain trap（3）Opposite side be provided with drain pipe（8）, it is described
Drain pipe（8）On be provided with drain valve（5）, drain trap（3）Pass through drain pipe（8）Connect flash vessel（13）, the drain trap
（3）Lower end be provided with drainpipe（9）, the drainpipe（9）On be provided with drain valve（10）, the liquid level gauge（4）It is logical
Cross control line connection controller（11）, the controller（11）Drain valve is connected by control line respectively（5）And drain valve
（10）, the liquid level gauge（4）Detect drain trap（3）Interior liquid level information, controller（11）It is controlled according to liquid level information hydrophobic
Valve（5）Or drain valve（10）Keying.
2. the steam trap connection of thermal power generation reheated steam conveyance conduit according to claim 1, it is characterised in that：Described
Drain trap（3）Straight pipe including integral structure（31）And plug（32）, plug（32）Positioned at straight pipe（31）Lower end, it is described
Straight pipe（31）Upper end opening connection union elbow（2）, the drainpipe（9）It is arranged on plug（32）On, it is described
Drain pipe（8）It is arranged on straight pipe（31）.
3. the steam trap connection of thermal power generation reheated steam conveyance conduit according to claim 2, it is characterised in that：Described
Plug（32）For hemispherical dome structure, the drainpipe（9）It is arranged on plug（32）Middle part.
4. the steam trap connection of thermal power generation reheated steam conveyance conduit according to claim 1, it is characterised in that：Described
Drainpipe（9）On be provided with filter（12）, the filter（12）Including housing（121）, it is arranged on housing（121）Interior
Strainer（122）, it is arranged on housing（121）On water inlet（123）, sewage draining exit（124）, water outlet（125）And backwash mouth
（126）, the water inlet（123）Connect drainpipe（9）On drain valve（10）, the water outlet（125）Connect dilatation
Device（13）, sewage draining exit（124）Cesspool is connected by blow-off pipe, blowdown valve is provided on blow-off pipe（14）, the backwash
Mouthful（126）Water pump is connected by flushing pipe（15）, flushing valve is provided on flushing pipe（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627632.6U CN207486779U (en) | 2017-11-29 | 2017-11-29 | The steam trap connection of thermal power generation reheated steam conveyance conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627632.6U CN207486779U (en) | 2017-11-29 | 2017-11-29 | The steam trap connection of thermal power generation reheated steam conveyance conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207486779U true CN207486779U (en) | 2018-06-12 |
Family
ID=62472985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721627632.6U Expired - Fee Related CN207486779U (en) | 2017-11-29 | 2017-11-29 | The steam trap connection of thermal power generation reheated steam conveyance conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207486779U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744644A (en) * | 2018-07-20 | 2018-11-06 | 大连科华热力管道有限公司 | A kind of backpulsing piping lane steam pipe spool condensed water output device |
| CN111678047A (en) * | 2020-05-15 | 2020-09-18 | 宁波市北仑精诚设备安装有限公司 | a steam pipe |
| CN112576843A (en) * | 2020-12-03 | 2021-03-30 | 北京国电富通科技发展有限责任公司 | Hydrophobic collector and processing method thereof |
| CN113007587A (en) * | 2021-03-04 | 2021-06-22 | 国家能源聊城发电有限公司 | Water drainage device |
| CN113803628A (en) * | 2021-09-28 | 2021-12-17 | 佛山市孚泺自控技术有限公司 | Axial Venturi water draining device |
| CN114150387A (en) * | 2021-12-02 | 2022-03-08 | 浙江佳人新材料有限公司 | Method for manufacturing three-dimensional section shrinkage fiber |
| CN115059868A (en) * | 2022-06-08 | 2022-09-16 | 北京梧为节能科技有限公司 | Steam drainage detection device and use method thereof |
| CN117006415A (en) * | 2023-09-19 | 2023-11-07 | 山东圣源节能设备股份有限公司 | A central humidifier for thermal pipelines |
| CN117663098A (en) * | 2022-08-31 | 2024-03-08 | 上海梅山钢铁股份有限公司 | A gas boiler gas dispersion device |
-
2017
- 2017-11-29 CN CN201721627632.6U patent/CN207486779U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744644A (en) * | 2018-07-20 | 2018-11-06 | 大连科华热力管道有限公司 | A kind of backpulsing piping lane steam pipe spool condensed water output device |
| CN111678047A (en) * | 2020-05-15 | 2020-09-18 | 宁波市北仑精诚设备安装有限公司 | a steam pipe |
| CN112576843A (en) * | 2020-12-03 | 2021-03-30 | 北京国电富通科技发展有限责任公司 | Hydrophobic collector and processing method thereof |
| CN113007587A (en) * | 2021-03-04 | 2021-06-22 | 国家能源聊城发电有限公司 | Water drainage device |
| CN113803628A (en) * | 2021-09-28 | 2021-12-17 | 佛山市孚泺自控技术有限公司 | Axial Venturi water draining device |
| CN113803628B (en) * | 2021-09-28 | 2025-04-01 | 佛山市孚泺自控技术有限公司 | Axial Venturi Drain |
| CN114150387A (en) * | 2021-12-02 | 2022-03-08 | 浙江佳人新材料有限公司 | Method for manufacturing three-dimensional section shrinkage fiber |
| CN115059868A (en) * | 2022-06-08 | 2022-09-16 | 北京梧为节能科技有限公司 | Steam drainage detection device and use method thereof |
| CN117663098A (en) * | 2022-08-31 | 2024-03-08 | 上海梅山钢铁股份有限公司 | A gas boiler gas dispersion device |
| CN117006415A (en) * | 2023-09-19 | 2023-11-07 | 山东圣源节能设备股份有限公司 | A central humidifier for thermal pipelines |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20181129 |