CN113701845A - High-pressure integrated two-valve set and liquid level measurement system - Google Patents
High-pressure integrated two-valve set and liquid level measurement system Download PDFInfo
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- CN113701845A CN113701845A CN202110802861.1A CN202110802861A CN113701845A CN 113701845 A CN113701845 A CN 113701845A CN 202110802861 A CN202110802861 A CN 202110802861A CN 113701845 A CN113701845 A CN 113701845A
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- 239000007788 liquid Substances 0.000 title claims abstract description 55
- 238000005259 measurement Methods 0.000 title claims description 18
- 238000010079 rubber tapping Methods 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims 3
- 238000005070 sampling Methods 0.000 claims 2
- 238000003466 welding Methods 0.000 description 25
- 238000009434 installation Methods 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000007689 inspection Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 210000002310 elbow joint Anatomy 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a high-pressure integrated two-valve group and a liquid level measuring system, wherein the high-pressure integrated two-valve group comprises an integrally forged valve group body, the valve group body comprises two communicated pressure-taking primary valves, and the distance between the two pressure-taking primary valves is 120-150 mm.
Description
Technical Field
The invention relates to a pressure taking valve structure, in particular to a high-pressure integrated two-valve set and a liquid level measuring system.
Background
The pressure taking primary valve generally adopts double valves, and the pressure taking primary valve (DN50) pressure taking piping scheme of the high-pressure outer buoy liquid level transmitter, the high-pressure magnetic float liquid level meter and the high-pressure double-flange differential pressure transmitter which are widely used at present has the following defects:
1. the distance between the two valve bodies is relatively long (about 600mm), when the two valve bodies are closed, the pressure of a cavity between the two valves can change along with the change of temperature, and the valves are possibly damaged due to an overpressure phenomenon, so that a pressure relief discharge valve needs to be added between the two valves;
2. because the installation space is large, the weight of the valve is heavy, the cantilever is too long, and a plurality of supporting pieces are required to be added for fixing after installation;
3. because the length of the valve group exceeds 1000mm, and the length of a flange on the equipment, the size of a high-pressure outer buoy liquid level transmitter or a high-pressure magnetic float liquid level meter, a high-pressure double-flange differential pressure transmitter and the like are calculated, the total length can exceed 1500mm, the width of a platform on the general equipment is less than or equal to 1200mm, and the requirement of an installation space cannot be met, a bent through joint needs to be added at the outlet of the equipment, and an elbow is connected with the equipment and the valve group through a welding line, so that the installation complexity and the installation cost are improved;
4. for a high-pressure double-flange differential pressure transmitter, a flange (DN50) and a gasket are required to be connected between the flange and the valve of the double-flange differential pressure transmitter on two sides for facilitating pressure discharge and flushing, and the installation cost is increased.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, in a first aspect, the present invention provides a high-pressure integrated two-valve set, which can reduce installation space and installation cost.
In a second aspect, the present invention provides a liquid level measuring system, which can perform more accurate liquid level measurement.
The high-pressure integrated two-valve set comprises an integrally forged valve set body, wherein the valve set body comprises two communicated pressure taking primary valves, and the distance between the two pressure taking primary valves is 120-150 mm.
According to some embodiments of the invention, the distance between the two pressure taking primary valves is 140 mm.
The high-pressure integrated two-valve group provided by the embodiment of the invention at least has the following technical effects:
1. in practical application, the 1500-pound-grade length is about 450mm, the 2500-pound-grade length is about 470mm, the distance between the two pressure taking primary valves is 120 mm-150 mm, and the space volume between the two pressure taking primary valves is small. Compared with the pressure taking valve implementation mode in the prior art, the pressure-relief discharge valve can be omitted, so that the welding seams between the elbow joint, the pressure-relief discharge valve, the elbow, the equipment and the valve group, and the welding seams between the pressure-relief valve and the two pressure-taking primary valves are reduced, and a large amount of installation cost including installation labor cost, installation material cost, installation space and the like is saved.
2. Since the present embodiment can be greatly reduced in weight, there is no need for a fixed support as in the prior art, reducing material costs.
3. With the increase of welding seams, the welding cost, the welding seam inspection cost and the post-welding heat treatment cost are also increased, and after each welding seam is welded, heat treatment is needed to eliminate stress, so that the stress corrosion is reduced, and the service life is prolonged. Compared with the prior art, the embodiment has the advantages of less welding seams, low welding cost, low welding seam inspection cost and low post-welding heat treatment cost.
5. Saves a large amount of installation time, welding seam inspection time, heat treatment time and the like, and improves the construction progress.
According to the liquid level measuring system provided by the embodiment of the invention, the high-pressure integrated two-valve set is arranged.
The liquid level measuring system provided by the embodiment of the invention at least has the following technical effects: because the distance between the two pressure-taking primary valves is shortened, the response sensitivity and the measurement precision of liquid level measurement are improved, the measurement error is reduced, and the key effect on the accurate control of a factory is achieved. In addition, because the elbow joint, the pressure relief discharge valve and the like are reduced, the operation is more convenient and flexible, and the labor intensity of workers is also reduced.
According to some embodiments of the invention, the liquid level measurement system is provided with a vessel shell, the vessel shell is provided with a first pressure tapping pipe communicated with the interior of the vessel shell at a liquid level, and is provided with a second pressure tapping pipe communicated with the interior of the vessel shell at an interface; the high-pressure integrated two-valve group comprises a first high-pressure integrated two-valve group and a second high-pressure integrated two-valve group, the first pressure tapping pipe is connected with a first magnetic float liquid level meter through the first high-pressure integrated two-valve group, and the second pressure tapping pipe is connected with a second magnetic float liquid level meter through the second high-pressure integrated two-valve group.
According to some embodiments of the invention, the first and second magnetic float level gauges are each connected with a blow-down pipe and a blow-down pipe.
According to some embodiments of the invention, a blowdown valve is provided between the first magnetic float level gauge and the blowdown pipe, and a blowdown valve is provided between the second magnetic float level gauge and the blowdown pipe.
According to some embodiments of the invention, a blowdown valve is arranged between the first magnetic float level gauge and the blowdown pipe, and a blowdown valve is arranged between the second magnetic float level gauge and the blowdown pipe.
According to some embodiments of the present invention, the vessel shell is provided with a third pressure tapping pipe communicated with the interior of the vessel shell at the liquid level, and a fourth pressure tapping pipe communicated with the interior of the vessel shell at the interface; the high-pressure integrated two-valve group comprises a third high-pressure integrated two-valve group and a fourth high-pressure integrated two-valve group, the third pressure tapping pipe is connected with a double-flange liquid level transmitter through the third high-pressure integrated two-valve group, and the fourth pressure tapping pipe is connected with an outer buoy liquid level transmitter through the fourth high-pressure integrated two-valve group.
According to some embodiments of the invention, a pressure discharge hole is provided on a flange of the valve outlet end of the pressure taking primary valve. For the double-flange liquid level transmitter, 2 double-sided connecting flanges can be omitted, 2 gaskets can be reduced, the length of a connecting bolt can be reduced, and the installation space is further reduced.
According to some embodiments of the invention, the flange is provided with flushing holes.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a high pressure integrated valve assembly of the present invention in use in a fluid level measurement system;
FIG. 2 is a schematic structural view of a high pressure integrated two-valve set of the present invention;
reference numerals: the pressure measuring device comprises a container shell 101, a first high-pressure integrated two-valve group 102, a pressure measuring primary valve 103, a first pressure measuring pipe 104, a second pressure measuring pipe 105, a first magnetic float liquid level meter 106, a second magnetic float liquid level meter 107, an emptying blow-down valve 108, a double-flange liquid level transmitter 109, a third pressure measuring pipe 110, a fourth pressure measuring pipe 111, an outer float liquid level transmitter 112, a second high-pressure integrated two-valve group 113, a third high-pressure integrated two-valve group 114 and a fourth high-pressure integrated two-valve group 115.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 2, the high-pressure integrated two-valve group 102 according to the embodiment of the invention includes an integrally forged valve group body, the valve group body includes two pressure taking primary valves 103 communicated with each other, and the distance between the two pressure taking primary valves 103 is 120 mm-150 mm.
In some embodiments of the invention, the distance between the two pressure taking primary valves 103 is 140 mm.
The high-pressure integrated two-valve set 102 according to the embodiment of the invention has at least the following technical effects:
1. in the embodiment, the high-pressure integrated two-valve set 102 is integrally forged, and in practical application, the 1500-pound-grade length is about 450mm, the 2500-pound-grade length is about 470mm, the distance between the two pressure taking primary valves 103 is 120 mm-150 mm, and the space volume between the two pressure taking primary valves 103 is small. Compared with the pressure taking valve implementation mode in the prior art, the pressure relief discharge valve is not added in the embodiment, so that the welding seams between the elbow joint, the pressure relief discharge valve, the elbow, the equipment and the valve group, and the welding seams between the pressure relief valve and the two pressure taking primary valves 103 are reduced, and a large amount of installation cost including installation labor cost, installation material cost, installation space and the like is saved.
2. Since the present embodiment can be greatly reduced in weight, there is no need for a fixed support as in the prior art, reducing material costs.
3. With the increase of welding seams, the welding cost, the welding seam inspection cost and the post-welding heat treatment cost are also increased, and after each welding seam is welded, heat treatment is needed to eliminate stress, so that the stress corrosion is reduced, and the service life is prolonged. Compared with the prior art, the embodiment has the advantages of less welding seams, low welding cost, low welding seam inspection cost and low post-welding heat treatment cost.
5. Saves a large amount of installation time, welding seam inspection time, heat treatment time and the like, and improves the construction progress.
On the other hand, the invention provides a liquid level measuring system which can carry out more accurate liquid level test.
Referring to fig. 1, the liquid level measuring system of the embodiment of the present invention is provided with a high-pressure integrated two-valve set 102 as in any one of the above embodiments.
The liquid level measuring system provided by the embodiment of the invention at least has the following technical effects: because the distance between the two pressure-taking primary valves 103 is shortened, the response sensitivity and the measurement precision of liquid level measurement are improved, the measurement error is reduced, and the key effect on the accurate control of a factory is achieved. In addition, because the elbow joint, the pressure relief discharge valve and the like are reduced, the operation is more convenient and flexible, and the labor intensity of workers is also reduced.
In some embodiments of the present invention, the liquid level measuring system is provided with a container shell 101, the container shell 101 is provided with a first pressure tapping pipe 104 at a liquid level position and communicating with the inside of the container shell 101, and a second pressure tapping pipe 105 at an interface and communicating with the inside of the container shell 101, the high-pressure integrated two-valve set includes a first high-pressure integrated two-valve set 102 and a second high-pressure integrated two-valve set 113, the first pressure tapping pipe 104 is connected to a first magnetic float level gauge 106 through the first high-pressure integrated two-valve set 102, and the second pressure tapping pipe 105 is connected to a second magnetic float level gauge 107 through the second high-pressure integrated two-valve set 113. The first magnetic float level gauge 106 is used to measure the liquid level at the liquid surface and the second magnetic float level gauge 107 is used to measure the liquid level at the interface.
In some embodiments of the present invention, a vent line (not shown) and a drain line (not shown) are connected to both the first magnetic float level gauge 106 and the second magnetic float level gauge 107.
In some embodiments of the present invention, a blowdown valve 108 is provided between the first and second magnetic float level gauges 106 and 107 and the blowdown line. First magnetic float level gauge 106 and second magnetic float level gauge 107 need remove when maintaining or overhauing, because inside still has a large amount of liquid or gaseous emission of taking pressure, along with the improvement of environmental protection requirement, no matter it all needs inclosed going on to empty or blowdown to the reduction is to the pollution of environment, consequently sets up the airtight environment of blowdown valve 108 assurance.
In some embodiments of the present invention, a blowdown valve 108 is disposed between the first magnetic float level gauge 106 and the blowdown line, and a blowdown valve 108 is disposed between the second magnetic float level gauge 107 and the blowdown line.
In some embodiments of the present invention, the container casing 101 has a third pressure tapping pipe 110 at the liquid level and communicating with the inside of the container casing 101, and a fourth pressure tapping pipe 111 at the interface and communicating with the inside of the container casing 101, the high-pressure integrated two-valve set includes a third high-pressure integrated two-valve set 114 and a fourth high-pressure integrated two-valve set 115, the third pressure tapping pipe 110 is connected to the double-flange liquid level transmitter 109 through the third high-pressure integrated two-valve set 114, and the fourth pressure tapping pipe 111 is connected to the external float liquid level transmitter 112 through the fourth high-pressure integrated two-valve set 115.
In some embodiments of the present invention, a pressure discharge hole (not shown) is provided on a flange of the valve outlet end of the pressure taking primary valve 103. For the double-flange liquid level transmitter 109, the present embodiment can eliminate 2 double-sided connecting flanges, reduce 2 gaskets, reduce the length of the connecting bolt, and further reduce the installation space.
In some embodiments of the invention, the flange is provided with flushing holes (not shown in the figures).
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a two valves of high pressure integral type which characterized in that: the valve group comprises an integrally forged valve group body, wherein the valve group body comprises two communicated pressure-taking primary valves, and the distance between the two pressure-taking primary valves is 120-150 mm.
2. The high pressure integrated two valve stack of claim 1, wherein: the distance between the two pressure-taking primary valves is 140 mm.
3. A liquid level measurement system characterized by: a high-pressure integrated two-valve set as claimed in any one of claims 1 to 2 is provided.
4. A liquid level measuring system according to claim 3, wherein: the liquid level measuring system is provided with a container shell, a first pressure sampling pipe communicated with the interior of the container shell is arranged at the liquid level of the container shell, and a second pressure sampling pipe communicated with the interior of the container shell is arranged at the interface of the container shell; the high-pressure integrated two-valve group comprises a first high-pressure integrated two-valve group and a second high-pressure integrated two-valve group, the first pressure tapping pipe is connected with a first magnetic float liquid level meter through the first high-pressure integrated two-valve group, and the second pressure tapping pipe is connected with a second magnetic float liquid level meter through the second high-pressure integrated two-valve group.
5. The fluid level measurement system of claim 4, wherein: the first magnetic float liquid level meter and the second magnetic float liquid level meter are both connected with an emptying pipeline and a sewage draining pipeline.
6. The fluid level measurement system of claim 5, wherein: and an emptying blowoff valve is arranged between the first magnetic float liquid level meter and the emptying pipeline, and an emptying blowoff valve is arranged between the second magnetic float liquid level meter and the emptying pipeline.
7. The fluid level measurement system of claim 5, wherein: and an emptying blowoff valve is arranged between the first magnetic float liquid level meter and the sewage discharge pipeline, and an emptying blowoff valve is arranged between the second magnetic float liquid level meter and the sewage discharge pipeline.
8. The fluid level measurement system of claim 4, wherein: the container shell is provided with a third pressure tapping pipe communicated with the interior of the container shell at the liquid level, and a fourth pressure tapping pipe communicated with the interior of the container shell at the interface; the high-pressure integrated two-valve group comprises a third high-pressure integrated two-valve group and a fourth high-pressure integrated two-valve group, the third pressure tapping pipe is connected with a double-flange liquid level transmitter through the third high-pressure integrated two-valve group, and the fourth pressure tapping pipe is connected with an outer buoy liquid level transmitter through the fourth high-pressure integrated two-valve group.
9. The fluid level measurement system of claim 8, wherein: and a pressure discharge hole is formed in a flange at the outlet end of the valve of the pressure taking primary valve.
10. The fluid level measurement system of claim 9, wherein: the flange is provided with a flushing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802861.1A CN113701845A (en) | 2021-07-15 | 2021-07-15 | High-pressure integrated two-valve set and liquid level measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802861.1A CN113701845A (en) | 2021-07-15 | 2021-07-15 | High-pressure integrated two-valve set and liquid level measurement system |
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| CN113701845A true CN113701845A (en) | 2021-11-26 |
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| CN202110802861.1A Pending CN113701845A (en) | 2021-07-15 | 2021-07-15 | High-pressure integrated two-valve set and liquid level measurement system |
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|---|---|---|---|---|
| CN201763963U (en) * | 2010-09-14 | 2011-03-16 | 上海伟伦阀门有限公司 | High temperature high pressure duplex valve |
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| CN205919873U (en) * | 2016-06-20 | 2017-02-01 | 任纪翔 | Two liquid levels interlocking measurement system is got to sled frame structure no. 3 |
| CN205981371U (en) * | 2016-06-13 | 2017-02-22 | 任纪翔 | Sled frame integration liquid level measuring system |
| CN208398974U (en) * | 2018-07-26 | 2019-01-18 | 艾法能源工程股份有限公司 | It is a kind of for accurately measuring the magnetic float liquid level measuring system of high range liquid level |
| CN208688623U (en) * | 2018-08-13 | 2019-04-02 | 重庆精科仪表制造有限责任公司 | A kind of high pressure magnetic float |
| CN211563926U (en) * | 2019-12-20 | 2020-09-25 | 大连福佳·大化石油化工有限公司 | Back-flushing system for liquid level meter of solvent regeneration tower |
| CN211820876U (en) * | 2020-03-27 | 2020-10-30 | 江苏中泰仪表阀门有限公司 | Flange type two-valve group |
| CN213361279U (en) * | 2020-10-13 | 2021-06-04 | 苏州索默机电设备有限公司 | Can realize accurate control's two valve unit structures |
-
2021
- 2021-07-15 CN CN202110802861.1A patent/CN113701845A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201763963U (en) * | 2010-09-14 | 2011-03-16 | 上海伟伦阀门有限公司 | High temperature high pressure duplex valve |
| CN202252125U (en) * | 2011-08-17 | 2012-05-30 | 王大鹏 | Differential pressure two-valve group |
| CN204573249U (en) * | 2015-05-05 | 2015-08-19 | 浙江石化阀门有限公司 | Forging duplex high-pressure discharge valve |
| CN205981371U (en) * | 2016-06-13 | 2017-02-22 | 任纪翔 | Sled frame integration liquid level measuring system |
| CN205919873U (en) * | 2016-06-20 | 2017-02-01 | 任纪翔 | Two liquid levels interlocking measurement system is got to sled frame structure no. 3 |
| CN208398974U (en) * | 2018-07-26 | 2019-01-18 | 艾法能源工程股份有限公司 | It is a kind of for accurately measuring the magnetic float liquid level measuring system of high range liquid level |
| CN208688623U (en) * | 2018-08-13 | 2019-04-02 | 重庆精科仪表制造有限责任公司 | A kind of high pressure magnetic float |
| CN211563926U (en) * | 2019-12-20 | 2020-09-25 | 大连福佳·大化石油化工有限公司 | Back-flushing system for liquid level meter of solvent regeneration tower |
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