CN202303922U - Water returning device with ejection function of boiler water collection tank - Google Patents
Water returning device with ejection function of boiler water collection tank Download PDFInfo
- Publication number
- CN202303922U CN202303922U CN2011204125188U CN201120412518U CN202303922U CN 202303922 U CN202303922 U CN 202303922U CN 2011204125188 U CN2011204125188 U CN 2011204125188U CN 201120412518 U CN201120412518 U CN 201120412518U CN 202303922 U CN202303922 U CN 202303922U
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- Prior art keywords
- water
- returned
- guide pipe
- pipe
- returned water
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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 discloses a water returning device with an ejection function of a boiler water collection tank, comprising a returned water guide pipe, wherein a necking opening of the returned water guide pipe is arranged at the front end of the returned water guide pipe; the returned water guide pipe is provided with a returned water collecting tank connecting flange, and a returned water pipe connecting flange is arranged at the back end of the returned water guide pipe; and a detection connecting opening is arranged in the returned water guide pipe between the returned water collecting tank connecting flange and the returned water pipe connecting flange. The water returning device with the ejection function of the boiler water collection tank, disclosed by the utility model, has the following technical effects that: returned water of a boiler is guided to the position of a descending pipe by the returned water guide pipe, an outlet of the returned water guide pipe is the necking opening and a water speed of the outlet of the returned water guide pipe is accelerated, so as to generate the ejection effect on the water in the descending pipe; and therefore, the flow of a water circulation in a circulation loop formed by a water cooling wall pipe, a boiler cylinder, the descending pipe and the returned water collecting tank is increased.
Description
Affiliated technical field
The utility model relates to a kind of boiler header tank water recovery apparatus.
Background technology
Present DZL series of heat homogeneous solution-type reactor, the water endless form that generally adopts forced circulation to combine with Natural Circulation.Water screen tube, drum, down-comer, collection case consist of a natural convection loop; Water screen tube is heated, and the density of the water in it is little, and down-comer is not heated; Density of water is big in it, and the power of natural convection loop comes from the gravitational difference of interior water of down-comer and the water in the water screen tube.Because the density of water is more or less the same, and DZL series of heat homogeneous solution-type reactor water-flow circuit height is limited, therefore, the Natural Circulation power in loop is not strong, is easy to cause the water circulation in the boiler water-wall tube not smooth.
The utility model content
The purpose of the utility model provides a kind of boiler header tank water recovery apparatus with injection function.
The technical scheme of the utility model is; A kind of boiler header tank water recovery apparatus with injection function; Comprise the backwater conduit, the reducing of backwater conduit is arranged, backwater collection case adpting flange is arranged on the backwater conduit at the front end of backwater conduit; At the backwater rear end of conduit return pipe adpting flange is arranged, on the backwater conduit between backwater collection case adpting flange and the return pipe adpting flange, the detection interface is arranged.
The utlity model has following technique effect; With the backwater conduit boiler blow-down water is directed to the down-comer position; The backwater conduit outlet is reducing; Increase backwater conduit outlet water speed, this can be to ejector action of the water generates in the down-comer, thereby the water circular flow in the closed circuit that water screen tube, drum, down-comer, backwater collection case consist of is increased.
Description of drawings
Fig. 1 is the utility model scheme of installation.
Fig. 2 is the utility model generalized section.
Embodiment
Like Fig. 1, shown in Figure 2; On boiler drum 4, be connected to water screen tube 3 and down-comer 5; The other end of water screen tube 3 and down-comer 5 is connected on the backwater collection case 2, and the boiler header tank water recovery apparatus 1 with injection function comprises backwater conduit 7, at the front end of backwater conduit 7 backwater conduit reducing 6 is arranged; Backwater collection case adpting flange 8 is arranged on backwater conduit 7; In backwater conduit 7 rear ends return pipe adpting flange 10 is arranged, the interface 9 of detection is arranged on the backwater conduit 7 between the backwater collection case adpting flange 8, the boiler header tank water recovery apparatus 1 with injection function is contained on the backwater collection case 2 through backwater collection case adpting flange 8.
Claims (1)
1. boiler header tank water recovery apparatus with injection function; Comprise backwater conduit (7); It is characterized in that: the front end at backwater conduit (7) has backwater conduit reducing (6); Backwater collection case adpting flange (8) is arranged on backwater conduit (7), return pipe adpting flange (10) is arranged, on the backwater conduit (7) between backwater collection case adpting flange (8) and the return pipe adpting flange (10), detection interface (9) is arranged in backwater conduit (7) rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204125188U CN202303922U (en) | 2011-10-26 | 2011-10-26 | Water returning device with ejection function of boiler water collection tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204125188U CN202303922U (en) | 2011-10-26 | 2011-10-26 | Water returning device with ejection function of boiler water collection tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202303922U true CN202303922U (en) | 2012-07-04 |
Family
ID=46372806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204125188U Expired - Lifetime CN202303922U (en) | 2011-10-26 | 2011-10-26 | Water returning device with ejection function of boiler water collection tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202303922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478454A (en) * | 2017-08-23 | 2017-12-15 | 广州迪森家居环境技术有限公司 | A kind of heated water circulator's detection means |
-
2011
- 2011-10-26 CN CN2011204125188U patent/CN202303922U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478454A (en) * | 2017-08-23 | 2017-12-15 | 广州迪森家居环境技术有限公司 | A kind of heated water circulator's detection means |
| CN107478454B (en) * | 2017-08-23 | 2019-12-06 | 广州迪森家居环境技术有限公司 | Hot water circulator detection device |
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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 |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |