CN203628613U - Water feeding and water outlet structure in drum - Google Patents
Water feeding and water outlet structure in drum Download PDFInfo
- Publication number
- CN203628613U CN203628613U CN201320833249.1U CN201320833249U CN203628613U CN 203628613 U CN203628613 U CN 203628613U CN 201320833249 U CN201320833249 U CN 201320833249U CN 203628613 U CN203628613 U CN 203628613U
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- Prior art keywords
- pipe
- water
- drum
- comer
- feed pipe
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000003351 stiffener Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a water feeding and water outlet structure in a drum. The water feeding and water outlet structure comprises a descending pipe and a water supply pipe, wherein the descending pipe and the water supply pipe are arranged on the drum. A water feeding pipe is arranged in the drum and connected with the water supply pipe. Multiple water outlet small holes are formed in the water feeding pipe, a connecting pipe is arranged on the water feeding pipe, and the end of the connecting pipe is led into the descending pipe. The water feeding and water outlet structure has the advantages that because the water feeding connecting pipe is additionally arranged on the water feeding pipe and led into the descending pipe, a small part of water flows is led out of the water feeding pipe and flows into the descending pipe, and the water flow effect is used for preventing eddies from occurring in the descending pipe and preventing steam from being carried in the descending pipe, so that safety of water circulation is guaranteed.
Description
Technical field
The utility model relates to a kind of boiler-steam dome, relates in particular to feedwater and water flowing out structure in a kind of drum.
Background technology
Boiler water cycle refers to water and steam water interface circulating in boiler evaporating heating surface, and normal water circulation can guarantee that boiler evaporating heating surface is cooling reliably in time, is one of primary condition of safe operation of the boiler.Drum in steam generator system is the critical component of water circulation, connects whole heating surface, and current enter drum through economizer, flows into each heating surface and be heated from drum down-comer, and the steam water interface of generation is got back to drum and separated.When water velocity in drum is bigger than normal or when skewness, may there is steam bubble to be involved in down-comer with current, if down-comer entrance and steam water-level distance are less, may form whirlpool bucket in down-comer porch, the steam on the drum water surface affects the normal circulation of water by entering down-comer with current.For guaranteeing safe water circulation, remove water band vapour in down-comer, the appropriate design of inside steam drum part is most important.In general design, down-comer entrance top can install grid or cross baffle additional.But in the time that boiler load has acute variation or other reasons, decline pipe racks vapour is still very serious, therefore above structure still can not effectively guarantee safe water circulation.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of and effectively prevent that the water that enters down-comer from forming whirlpool and current band vapour, guarantee the interior feedwater of drum and the water flowing out structure of safe water circulation.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: feedwater and water flowing out structure in a kind of drum, comprise the down-comer and the feed pipe that are arranged on drum, in drum, be provided with the feed pipe being connected with feed pipe, feed pipe is provided with some ostium excurrenses, described feed pipe is provided with tube connector, and tube connector end passes in described down-comer.
As the preferred scheme of one, described down-comer porch is provided with sleeve pipe, and described tube connector pipe end is arranged in sleeve pipe.
As the preferred scheme of one, between described sleeve pipe and the inwall of down-comer, be provided with some stiffeners.
As the preferred scheme of one, described down-comer entrance is provided with cross baffle or grid.
As the preferred scheme of one, described drum inwall is provided with mounting bracket, and described feed pipe is arranged on mounting bracket and by several U bolts and is fixed on mounting bracket.
As the preferred scheme of one, each baffle plate sheet of described cross baffle is arranged between sleeve pipe and down-comer inwall.
The beneficial effects of the utility model are: pass in down-comer owing to setting up a feedwater tube connector on feed pipe, draw fraction current from feedwater, flow into down-comer, utilize flow action to prevent from occurring whirlpool and being with vapour in down-comer, thereby guarantee safe water circulation.
Because down-comer porch is provided with sleeve pipe, described tube connector pipe end is arranged in sleeve pipe, has facilitated processing, only need be by tube connector and sleeve pipe firm welding when assembling.
Owing to being provided with some stiffeners between sleeve pipe and the inwall of down-comer, guarantee the intensity that arranges of sleeve pipe, make more flow impact resistant of sleeve pipe.
Because down-comer entrance is provided with cross baffle or grid, can further remove water band vapour in down-comer, avoid down-comer porch to form whirlpool bucket.
Because drum inwall is provided with mounting bracket, described feed pipe is arranged on mounting bracket and by several U bolts and is fixed on mounting bracket, makes feed pipe setting more firm, longer service life.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is left TV structure schematic diagram of the present utility model.
In Fig. 1 to Fig. 2: 1. drum, 2. down-comer, 3. feed pipe, 4 mounting brackets, 5. feed pipe, 6.U shape bolt, 7. tube connector, 8. sleeve pipe, 9. stiffener, 10. baffle plate sheet.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1-2, in a kind of drum, feedwater and water flowing out structure, comprise the down-comer 2 and the feed pipe 3 that are arranged on drum 1.Drum 1 inwall is provided with mounting bracket 4, and mounting bracket 4 is provided with the feed pipe 5 being connected with feed pipe 3, and feed pipe 5 is fixed on mounting bracket 4 by several U bolts 6, and feed pipe 5 is provided with some ostium excurrenses.Described feed pipe 5 is provided with tube connector 7, and down-comer 2 porch are provided with sleeve pipe 8, between sleeve pipe 8 and the inwall of down-comer 2, is provided with some stiffeners 9, and tube connector 7 pipe ends are arranged in sleeve pipe 8.Down-comer 2 entrances are provided with cross baffle 10, and each baffle plate sheet of described cross baffle 10 is arranged between sleeve pipe 8 and down-comer 2 inwalls.
The above embodiments are principle and effect thereof of illustrative the invention only, and the embodiment of part utilization, but not for limiting the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. feedwater and water flowing out structure in a drum, comprise the down-comer and the feed pipe that are arranged on drum, in drum, be provided with the feed pipe being connected with feed pipe, feed pipe is provided with some ostium excurrenses, it is characterized in that: described feed pipe is provided with tube connector, tube connector end passes in described down-comer.
2. feedwater and water flowing out structure in a kind of drum as claimed in claim 1, is characterized in that: described down-comer porch is provided with sleeve pipe, and described tube connector pipe end is arranged in sleeve pipe.
3. feedwater and water flowing out structure in a kind of drum as claimed in claim 2, is characterized in that: between described sleeve pipe and the inwall of down-comer, be provided with some stiffeners.
4. in a kind of drum, feed water and water flowing out structure as claimed in claim 2 or claim 3, it is characterized in that: described down-comer entrance is provided with cross baffle or grid.
5. in a kind of drum, feed water and water flowing out structure as claimed in claim 2 or claim 3, it is characterized in that: described drum inwall is provided with mounting bracket, and described feed pipe is arranged on mounting bracket and by several U bolts and is fixed on mounting bracket.
6. feedwater and water flowing out structure in a kind of drum as claimed in claim 4, is characterized in that: each baffle plate sheet of described cross baffle is arranged between sleeve pipe and down-comer inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833249.1U CN203628613U (en) | 2013-12-17 | 2013-12-17 | Water feeding and water outlet structure in drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833249.1U CN203628613U (en) | 2013-12-17 | 2013-12-17 | Water feeding and water outlet structure in drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203628613U true CN203628613U (en) | 2014-06-04 |
Family
ID=50815087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833249.1U Expired - Lifetime CN203628613U (en) | 2013-12-17 | 2013-12-17 | Water feeding and water outlet structure in drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203628613U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154523A (en) * | 2014-08-06 | 2014-11-19 | 无锡华光锅炉股份有限公司 | Water feeding pipe structure in boiler barrel |
| CN111780086A (en) * | 2020-07-13 | 2020-10-16 | 中国船舶重工集团公司第七0三研究所 | Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device |
| CN112555798A (en) * | 2020-12-08 | 2021-03-26 | 汤宝宝 | Combined drum for vacuum boiler |
-
2013
- 2013-12-17 CN CN201320833249.1U patent/CN203628613U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154523A (en) * | 2014-08-06 | 2014-11-19 | 无锡华光锅炉股份有限公司 | Water feeding pipe structure in boiler barrel |
| CN104154523B (en) * | 2014-08-06 | 2015-11-18 | 无锡华光锅炉股份有限公司 | A kind of feed pipe structure of drum inside |
| CN111780086A (en) * | 2020-07-13 | 2020-10-16 | 中国船舶重工集团公司第七0三研究所 | Be arranged in light and heat power plant steam generation system steam pocket to prevent swirl device |
| CN112555798A (en) * | 2020-12-08 | 2021-03-26 | 汤宝宝 | Combined drum for vacuum boiler |
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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: 20140604 |