CN203190398U - Water level single chamber balance sampling device of steam drum of boiler - Google Patents
Water level single chamber balance sampling device of steam drum of boiler Download PDFInfo
- Publication number
- CN203190398U CN203190398U CN 201320206140 CN201320206140U CN203190398U CN 203190398 U CN203190398 U CN 203190398U CN 201320206140 CN201320206140 CN 201320206140 CN 201320206140 U CN201320206140 U CN 201320206140U CN 203190398 U CN203190398 U CN 203190398U
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- CN
- China
- Prior art keywords
- boiler
- pressure side
- positive
- sampling pipe
- steam drum
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a water level single chamber balance sampling device of a steam drum of a boiler, and belongs to the field of energy source electricity. According to the technical scheme, a positive-pressure side sampling pipe is horizontally connected with the upper portion of the steam drum of the boiler, a balancing container is arranged on the positive-pressure side sampling pipe in the horizontal direction, a liquid inlet, corresponding to the balancing container, of the positive-pressure side sampling pipe is higher than a liquid outlet of the positive-pressure side sampling pipe by 1-3cm, a drainage pipe is arranged at the bottom of the balancing container, a negative-pressure side sampling pipe is connected with the lower portion of the steam drum of the boiler, a valve is arranged at one end, connected with the steam drum of the boiler, of the positive-pressure side sampling pipe, a valve is arranged at one end, connected with the steam drum of the boiler, of the negative-pressure side sampling pipe, and the other end of the positive-pressure side sampling pipe and the other end of the negative-pressure side sampling pipe are connected to a water level transmitter together. The drum water level single chamber balance sampling device of the steam drum of the boiler has the advantages that due to the fact that the temperature of the positive-pressure side sampling pipe and the temperature of the negative-pressure side sampling pipe can be kept to be room temperature, density changes caused by changes of the positive-pressure side temperature are greatly reduced, measuring errors of the water level of the steam drum is also greatly reduced, and guarantee is provided for safe operation of the boiler.
Description
Technical field
The utility model relates to the boiler drum level single chamber balanced sampling device in the electricity power field.
Background technology
Existing steam water-level single chamber balanced sampling device, it mainly is the upper level connection malleation side probe tube at boiler-steam dome, malleation side probe tube connects equalizing reservoir, steadily the bottom of container connects the outlet of malleation side probe tube, malleation side probe tube Temperature Distribution difference everywhere causes very big measure error, density also changes thereupon, just, the suction side probe tube has the temperature difference slightly, the additive error that will can't estimate differential pressure generating, cause and measure instability, the zero shift amplitude is big, the uncertainty of temperature has just caused drum level measurement to raise with drum pressure and has produced very mistake, directly misleads the operations staff, even cause boiler to do pot or full water, threaten safe operation of the boiler.
The utility model content
The purpose of this utility model is exactly the defective that exists at prior art, provides a kind of and has a narrow range of temperature, parameter measurement boiler drum level single chamber balanced sampling device accurately.
Technical scheme: the upper level at boiler-steam dome connects malleation side probe tube, and malleation side probe tube horizontal direction arranges equalizing reservoir, and the inlet of the corresponding equalizing reservoir of malleation side probe tube is than the high 1-3cm of liquid outlet, and the bottom of equalizing reservoir arranges blow-off pipe; Bottom at boiler-steam dome connects the suction side probe tube, and the link of positive and negative pressure side probe tube and boiler-steam dome all arranges valve, and the other end of positive and negative pressure side probe tube inserts water level transmitter jointly.
Beneficial effect: it is room temperature that present technique makes malleation side probe tube keep consistent with suction side probe tube temperature, thereby greatly reduce the variable density that causes because of malleation side variations in temperature, also greatly reduce the drum level measurement error, for the safe operation of boiler provides assurance.
Description of drawings
Accompanying drawing 1 is the structural representation of present embodiment.
The specific embodiment
With reference to accompanying drawing 1, present embodiment mainly is the upper level connection malleation side probe tube 3 at boiler-steam dome 1, malleation side probe tube 3 horizontal directions arrange equalizing reservoir 2, and the inlet of malleation side probe tube 3 corresponding equalizing reservoirs 2 is than the high 1-3cm of liquid outlet, and the bottom of equalizing reservoir 2 arranges blow-off pipe 6; Bottom at boiler-steam dome 1 connects suction side probe tube 4, and the link of positive and negative pressure side probe tube and boiler-steam dome 1 all arranges valve, and the other end of positive and negative pressure side probe tube inserts water level transmitter 5 jointly.
Claims (1)
1. boiler drum level single chamber balanced sampling device, it is characterized in that: the upper level at boiler-steam dome connects malleation side probe tube, malleation side probe tube horizontal direction arranges equalizing reservoir, the inlet of the corresponding equalizing reservoir of malleation side probe tube is than the high 1-3cm of liquid outlet, and the bottom of equalizing reservoir arranges blow-off pipe; Bottom at boiler-steam dome connects the suction side probe tube, and the link of positive and negative pressure side probe tube and boiler-steam dome all arranges valve, and the other end of positive and negative pressure side probe tube inserts water level transmitter jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320206140 CN203190398U (en) | 2013-04-23 | 2013-04-23 | Water level single chamber balance sampling device of steam drum of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320206140 CN203190398U (en) | 2013-04-23 | 2013-04-23 | Water level single chamber balance sampling device of steam drum of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203190398U true CN203190398U (en) | 2013-09-11 |
Family
ID=49107254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320206140 Expired - Fee Related CN203190398U (en) | 2013-04-23 | 2013-04-23 | Water level single chamber balance sampling device of steam drum of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203190398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953210A (en) * | 2016-06-27 | 2016-09-21 | 张家港格林沙洲锅炉有限公司 | Split type balance container |
-
2013
- 2013-04-23 CN CN 201320206140 patent/CN203190398U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953210A (en) * | 2016-06-27 | 2016-09-21 | 张家港格林沙洲锅炉有限公司 | Split type balance container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20180423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |