CN2057737U - Up opened self-restraining water-sealing safety device - Google Patents
Up opened self-restraining water-sealing safety device Download PDFInfo
- Publication number
- CN2057737U CN2057737U CN 89220338 CN89220338U CN2057737U CN 2057737 U CN2057737 U CN 2057737U CN 89220338 CN89220338 CN 89220338 CN 89220338 U CN89220338 U CN 89220338U CN 2057737 U CN2057737 U CN 2057737U
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- Prior art keywords
- boiler
- water
- communicating pipe
- chimney
- safety device
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Abstract
The utility model relates to an up opened self-restraining water-sealing safety device used for low pressure boilers and drinking furnaces, which belongs to components used for water heaters. The structure of the utility model is characterized in that one communicating pipe is installed on the top part of the boiler, the lower end of the communicating pipe is inserted below the inner liquid level of the boiler, and the upper part is led out upwardly from the top part of the boiler and inserted in a chimney. The up opened self-restraining water-sealing safety device has the advantages of simple structure and automatic regulation of the height of water columns with the pressure of the boiler and has the actions of safety control of self-restraining pressurizing and water-level alarm, which can enhance the reliability and the safety of boiler operation.
Description
The utility model relates to the water heater parts, relates in particular to the safety device of low-pressure boiler and drinking-water household stove.
At present, the safety device of low-pressure boiler adopts spring or deadweight safety valve more.Their shortcoming is that the release pressure error is big, is failure to actuate for a long time easily to get rusty and block and cause malfunctioning.
The purpose of this utility model is to design a kind of water seal safety in order to overcome the deficiencies in the prior art, is used for operating pressure less than 1.0kg/cm
2Low-pressure boiler in, can prevent that hypertonia and water level are low excessively, play the safeguard protection effect.
Design content of the present utility model is: install a communicating pipe at the boiler top, insert below the liquid level of boiler furnace inside the lower end, and upwards draw from the boiler top on top, and be fixed together with chimney.Lead-out mode can adopt two kinds of forms, and the one, parallel with chimney after communicating pipe, drew on top, chimney inside is inserted in the upper end outlet; The 2nd, directly inserted chimney inside after communicating pipe, drew on top, and extend upward along the chimney inwall.The total length of communicating pipe is decided according to required steam pressure, is generally 0.5～10 meter.
The utility model is based in the hydrostatics principle of linker and works.When the pressure of boiler internal is higher than atmospheric pressure, the fluid column in communicating pipe will rise.If boiler is operated under the stable gauge pressure P, then the height of water column is that h=P/r(r is the molten heavy of water in communicating pipe), h should be less than the height H of pipe.When circulation line takes place to stop up, pressure in the boiler will leave stable operating pressure and raise, water-column in communicating pipe also therefore raises, when h is increased to H, water will overflow, pressure in the boiler is remained on the value of Pm=rH substantially no longer rise, thereby play the safety guarantee effect.On the other hand, after water overflows, enter burner hearth by chimney, the back vaporization of being heated absorbs a large amount of latent heats of vaporization, and temperature descends in the stove thereby make, and heat exchange weakens, and the pressure of boiler reduces, and reaches a kind of balance at last.Pressure in the boiler rises soon more, and the water that then overflows is many more, and the temperature in the stove descends also fast more, if when the water that overflows is too many, also can flow to the combustion zone, and boiler is extinguished automatically.So this is the process that a kind of principle of utilizing feedback is carried out self-control.
The utility model has the advantages that:
1, communicating pipe draws from the hydrospace, and fluid column can change and adjusting automatically with pressing in the boiler, and is highly sensitive, and has the water-level alarm effect.Can improve boiler operation reliability and security greatly.
2, spilling water enters burner hearth communicating pipe, can suppress the rising of boiler pressure.
3, tube side is short, and resistance is little during discharge; Liquid in pipe temperature height can not cause that pipeline blockage causes inefficacy because of freezing.
4, communicating pipe draws with chimney, saves the space, and it is convenient to support.
Embodiment and description of drawings:
Fig. 1 is the structural representation of embodiment 1.
Wherein: the 1-chimney; 2-communicating pipe; Push up on the 3-boiler; The air space of 4-boiler; The hydrospace of 5-boiler; The 6-fixed connecting piece.
Fig. 2 is the structural representation of embodiment 2.
These two embodiment respectively in operating pressure less than 1.0kg/cm
2Low-pressure boiler and the drinking-water stove on probation, respond well.
Claims (4)
1, a kind of up opened self-restraining type water seal safety is characterized in that this water seal safety is a communicating pipe, and the lower end is inserted into below the liquid level of boiler internal, and upwards draw from the boiler top on top, and be fixed together with chimney.
2, the water seal safety according to claim 1, it is parallel with chimney to it is characterized in that the back is drawn on described communicating pipe top, outlet insertion chimney inside, upper end.
3, the water seal safety according to claim 1 is characterized in that described communicating pipe top draws the back and directly insert chimney inside, and extends upward along the chimney inwall.
4, water seal safety according to claim 1, the length that it is characterized in that described communicating pipe is 0.5-10 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89220338 CN2057737U (en) | 1989-12-07 | 1989-12-07 | Up opened self-restraining water-sealing safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89220338 CN2057737U (en) | 1989-12-07 | 1989-12-07 | Up opened self-restraining water-sealing safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2057737U true CN2057737U (en) | 1990-05-30 |
Family
ID=4875037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89220338 Withdrawn CN2057737U (en) | 1989-12-07 | 1989-12-07 | Up opened self-restraining water-sealing safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2057737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338368A (en) * | 2010-07-26 | 2012-02-01 | 李勤坤 | Efficient coal-burning and gas-burning grading and layering energy-saving steam boiler |
| CN107781992A (en) * | 2016-08-29 | 2018-03-09 | 青岛经济技术开发区海尔热水器有限公司 | Condensate collecting device |
-
1989
- 1989-12-07 CN CN 89220338 patent/CN2057737U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338368A (en) * | 2010-07-26 | 2012-02-01 | 李勤坤 | Efficient coal-burning and gas-burning grading and layering energy-saving steam boiler |
| CN107781992A (en) * | 2016-08-29 | 2018-03-09 | 青岛经济技术开发区海尔热水器有限公司 | Condensate collecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |