CN203376647U - Liquid level self-adjusting device - Google Patents
Liquid level self-adjusting device Download PDFInfo
- Publication number
- CN203376647U CN203376647U CN201320339588.4U CN201320339588U CN203376647U CN 203376647 U CN203376647 U CN 203376647U CN 201320339588 U CN201320339588 U CN 201320339588U CN 203376647 U CN203376647 U CN 203376647U
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- Prior art keywords
- liquid level
- signal
- valve
- liquid
- level self
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- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 230000005514 two-phase flow Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007791 liquid phase Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012808 vapor phase Substances 0.000 abstract 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 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
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model relates to the mechanical field, and especially relates to a liquid level self-adjusting device. The liquid level self-adjusting device comprises signal tubes which are respectively connected to controlled equipment. Each signal tube is equipped with a signal valve. The signal tubes are respectively connected with adjusters which are respectively connected with the controlled equipment through inlet valves. The liquid level self-adjusting device also comprises a bypass tube which is in parallel connection with the inlet valves and the adjusters. The bypass tube is provided with a bypass gate valve. The adjusters are vapor-liquid two-phase flow liquid-level automatic adjusters. The number of the adjusters and the number of the signal tubes are respectively more than one, and the signal tubes are respectively connected to the controlled equipment. Compared with the prior art, the utility model has the following beneficial effects that dispersed water enters a valve cavity from a valve body inlet; the signal tubes collect vapor-phase signals and liquid-phase signals according to the height of a liquid level, and the vapor-phase signals and the liquid-phase signals directly enter a valve cavity to mix with the dispersed water; the vapor-phase signals reduce when the liquid level rises, thereby increasing the dispersed water flow; the vapor-phase signals increase when the liquid level descends, thereby reducing an effective through-flow area of a throat part, reducing the dispersed water flow, and achieving the purpose of effectively obstructing the water dispersing; the performance on liquid level self-adjustment is great; the reliability is high; there is no need of maintenance and no leakage; the safety is high; the cavitation phenomena are alleviated; the device is easy to install; the practicality is strong; and the service life is long.
Description
Technical field
The utility model relates to mechanical field, relates in particular to liquid level self-regulating apparatus.
Background technology
Traditional float-ball type, pneumatic type, electrodynamic type liquid level opertaing device have a lot of shortcomings, for example depend critically upon extraneous operation, are difficult to carry out accurate automatic control system complexity, and failure rate high serviceable life is short etc.
The utility model content
The purpose of utility model: in order to provide a kind of degree of regulation high, the liquid level self-regulating apparatus that possibility is many.
In order to reach as above purpose, the utility model is taked following technical scheme:
Liquid level self-regulating apparatus, it is characterized in that, comprise the signal pipe be connected on controlled device, signal valve is arranged on signal pipe, the signal pipe connection adjustor, described regulator also connects controlled device by inlet valve, also comprises the shunt valve in parallel with inlet valve and regulator, and the bypass gate valve is arranged on described shunt valve.
The further technical scheme of the utility model is, described regulator is the stream-liquid two-phase flow liquid level automatic adjuster.
The further technical scheme of the utility model is, described regulator and signal pipe have respectively more than one and signal pipe all accesses controlled device.
The further technical scheme of the utility model is, described signal valve and/or inlet valve are slide valve.
The further technical scheme of the utility model is, the height difference that described more than one signal pipe distributes on controlled device.
The further technical scheme of the utility model is, described regulator and signal pipe have respectively two.
The further technical scheme of the utility model is, also comprises the selector switch that connects more than one signal pipe.
Adopt as above the utility model of technical scheme, with respect to prior art, following beneficial effect is arranged: hydrophobicly by the valve body entrance, enter valve pocket, signal pipe gathers vapour phase, liquid phase signal direct admission valve chamber according to height of liquid level, with hydrophobic, mixes.When liquid level rises, the vapour phase signal reduces, thereby hydrophobic flow increases; When liquid level descends, the vapour phase signal increases, and reduces the effective flow area of throat, and hydrophobic flow reduces, and reaches the hydrophobic purpose of effective obstruction.
Specifically:
1. the liquid level self-tuning performance is strong:
Extremely strong regulating power, can be applicable to the equipment that peak regulation unit and working conditions change are large, meets unit load and change 30%---100%, water-level fluctuation be controlled at ordinary water level ± 50mm in.
2. reliability is high, non-maintaining:
The machinery-free movable part, without pneumatic, electric control system, design concept advanced person, reliability is high, has non-maintaining outstanding feature.
3. without leakage, safe:
This device totally-enclosed structure, without any movable leakage point, front strictly being suppressed by national standard and the checkout procedure such as flaw detection of dispatching from the factory.
4. the life-span is long:
Inner core adopts the high-quality stainless steel material, can meet the requirement of equipment long-time running, design service life 10 years.
5. alleviation cavitation phenomenons:
Liquid level is controlled stable, has greatly alleviated cavitation and oscillation phenomenon in pipeline.
6. easily install:
This device is without electric control system, and system simplification, be convenient to on-the-spot the installation.
7. applicability is strong:
Larger for working conditions change, all kinds of heat exchange, equipment in the capacity expansion that flow is larger are all applicable.
The accompanying drawing explanation
In order to further illustrate the utility model, below in conjunction with accompanying drawing, further describe:
The structural representation that Fig. 1 is utility model;
Fig. 2 is the controller structure diagrammatic cross-section;
Wherein: 1. signal valve, 2. signal pipe, 3. regulator, 4. controlled device, 5. main drain pipe, 6. inlet valve, 7. bypass gate valve, 8. shunt valve, 9. spool; 10. valve body.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, embodiment does not form restriction of the present utility model:
Signal pipe 1: its effect is to gather vapour phase, liquid phase signal according to height of liquid level;
Inlet valve 6: as far as possible use slide valve;
Regulator 3: liquid level self-regulating apparatus;
Signal valve 1: as far as possible use slide valve.
The bypass gate valve: use slide valve, its effect is as far as possible: revise and forbidden because parameter provides the error caused.
Liquid level self-regulating apparatus, it is characterized in that, comprise the signal pipe 2 be connected on controlled device 4, signal valve 1 is arranged on signal pipe 2, signal pipe 2 connection adjustors 3, described regulator 3 also connects controlled device 4 by inlet valve 6, also comprises the shunt valve 8 in parallel with inlet valve 6 and regulator 3, on described shunt valve 8, bypass gate valve 7 is arranged.Described regulator 3 is the stream-liquid two-phase flow liquid level automatic adjuster.Described regulator 3 and signal pipe 2 have respectively more than one and believe described signal valve 1 and/or inlet valve 6 is slide valve.The height difference that described more than one signal pipe 2 distributes on controlled device 4.Described regulator 3 and signal pipe 2 have respectively two.
Also comprise the selector switch that connects more than one signal pipe 2.Therefore can between different liquid levels, be selected.
Above demonstration and described ultimate principle of the present utility model, principal character and advantage of the present utility model.Those skilled in the art should understand the utility model and not be restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (7)
1. liquid level self-regulating apparatus, it is characterized in that, comprise the signal pipe (2) be connected on controlled device (4), signal valve (1) is arranged on signal pipe (2), signal pipe (2) connection adjustor (3), described regulator (3) also connects controlled device (4) by inlet valve (6), also comprises the shunt valve (8) in parallel with inlet valve (6) and regulator (3), and bypass gate valve (7) is arranged on described shunt valve (8).
2. liquid level self-regulating apparatus as claimed in claim 1, is characterized in that, described regulator (3) is the stream-liquid two-phase flow liquid level automatic adjuster.
3. liquid level self-regulating apparatus as claimed in claim 1, is characterized in that, described regulator (3) and signal pipe (2) have respectively more than one and signal pipe (2) all accesses controlled device (4).
4. liquid level self-regulating apparatus as claimed in claim 1, is characterized in that, described signal valve (1) and/or inlet valve (6) are the gate valve.
5. liquid level self-regulating apparatus as claimed in claim 3, is characterized in that, described more than one signal pipe (2) is in the upper height difference distributed of controlled device (4).
6. liquid level self-regulating apparatus as claimed in claim 3, is characterized in that, described regulator (3) and signal pipe (2) have respectively two.
7. liquid level self-regulating apparatus as claimed in claim 3, is characterized in that, also comprises the selector switch that connects more than one signal pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320339588.4U CN203376647U (en) | 2013-06-13 | 2013-06-13 | Liquid level self-adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320339588.4U CN203376647U (en) | 2013-06-13 | 2013-06-13 | Liquid level self-adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376647U true CN203376647U (en) | 2014-01-01 |
Family
ID=49839170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320339588.4U Expired - Fee Related CN203376647U (en) | 2013-06-13 | 2013-06-13 | Liquid level self-adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183019A (en) * | 2015-10-21 | 2015-12-23 | 滁州学院 | Gas-liquid two-phase flow self-adjustable liquid level control system |
| CN115079733A (en) * | 2022-05-30 | 2022-09-20 | 华能曲阜热电有限公司 | Vapor-liquid two-phase flow controller |
-
2013
- 2013-06-13 CN CN201320339588.4U patent/CN203376647U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183019A (en) * | 2015-10-21 | 2015-12-23 | 滁州学院 | Gas-liquid two-phase flow self-adjustable liquid level control system |
| CN115079733A (en) * | 2022-05-30 | 2022-09-20 | 华能曲阜热电有限公司 | Vapor-liquid two-phase flow controller |
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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: 20140101 Termination date: 20190613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |