CN117109672A - Condensate flow measuring device - Google Patents
Condensate flow measuring device Download PDFInfo
- Publication number
- CN117109672A CN117109672A CN202311071241.0A CN202311071241A CN117109672A CN 117109672 A CN117109672 A CN 117109672A CN 202311071241 A CN202311071241 A CN 202311071241A CN 117109672 A CN117109672 A CN 117109672A
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- pipeline
- mounting hole
- condensate
- asme
- Prior art date
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000011056 performance test Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/42—Orifices or nozzles
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application relates to a condensate flow measuring device, which is characterized by comprising: the low pressure heater, deaerator, first conduit, second conduit, third conduit, first connector, second connector, and ASME nozzle. When the unit performance test is needed, the third connecting piece and the fourth connecting piece of the third pipeline are respectively detached from the first connecting piece and the second connecting piece, then the ASME nozzle is arranged between the first pipeline and the second pipeline, then the fifth connecting piece of the ASME nozzle is connected to the first connecting piece, the sixth connecting piece of the ASME nozzle is connected to the second connecting piece, and when two or more units are simultaneously built in a power plant through the detachable arrangement of the ASME nozzle, only one set of ASME flow nozzles can be purchased, different unit performance tests are carried out according to time periods, and a plurality of units can share one set of ASME flow nozzles.
Description
Technical Field
The application relates to a condensate flow measuring device.
Background
At present, in a thermal power plant, the main function of a condensate system is to boost the pressure of condensate in a condenser hot well by a condensate pump, and then convey the condensate to a deaerator through a chemical refined desalting device, a shaft seal cooler, a low-pressure heater. The flow meter is used for measuring the main condensate flow before the condensate enters the deaerator, and the condensate flow is important data for daily operation monitoring and performance test measurement of the unit.
Because the standard orifice plate has the characteristics of high measurement accuracy, wide application range, low price and the like, most of the unit daily operation monitoring condensate flow measuring devices adopt standard orifice plate flow meters, and the standard orifice plate is cheap in verification and convenient to disassemble and send for inspection. The unit performance test has higher accuracy requirements on flow measurement, a high-accuracy differential pressure element ASME nozzle is needed, each unit to be measured is required to be provided with the ASME nozzle, and the ASME nozzle has high accuracy and high equipment price, so that the maintenance is tedious and expensive, and the periodical verification cost is high.
Disclosure of Invention
The purpose of the application is that: a condensate flow measurement apparatus is provided that enables multiple units to use one ASME nozzle.
In order to achieve the above object, the present application provides a condensate flow measurement apparatus comprising: the low-pressure heater, the deaerator, the first pipeline, the second pipeline, the third pipeline, the first connecting piece, the second connecting piece and the ASME nozzle; a first end of the first pipeline is communicated with the low-pressure heater, and a second end of the first pipeline is connected with a first connecting piece; the first end of the second pipeline is connected with the second connecting piece, and the second end of the second pipeline is communicated with the deaerator;
the opposite ends of the third pipeline are respectively provided with a third connecting piece which can be detachably connected with the first connecting piece and a fourth connecting piece which can be detachably connected with the second connecting piece; and the opposite ends of the ASME nozzle are respectively provided with a fifth connecting piece which can be detachably connected with the first connecting piece and a sixth connecting piece which can be detachably connected with the second connecting piece.
Optionally, the method further comprises: a flow orifice plate; the flow orifice plate is disposed on the second conduit.
Optionally, the method further comprises: tee joint, fourth pipeline and fifth pipeline; the first end of the tee joint is communicated with the second pipeline; the second end of the tee joint is communicated with the first end of the fourth pipeline; the third section of the tee is communicated with the first end of the fifth pipeline; the second end of the fourth pipeline is communicated with the deaerator; the second end of the fifth pipeline is communicated with the deaerator.
Optionally, the method further comprises: a first check valve and a second check valve; the first check valve is disposed on the fourth conduit, the first check valve configured to allow the flow of condensate from the second conduit to the direction of the fourth conduit while preventing the flow of condensate in the opposite direction; the second check valve is disposed on the fifth pipe, and is configured to allow the flow of condensed water from the second pipe to the direction of the fifth pipe while preventing the flow of condensed water in the opposite direction.
Optionally, the method further comprises: a first bolt; the first connecting piece, the third connecting piece and the fifth connecting piece are flange plates respectively; the first connecting piece is provided with a first mounting hole; a third mounting hole is formed in the third connecting piece; a fifth mounting hole is formed in the fifth connecting piece;
the first bolt sequentially penetrates through the first mounting hole and the third mounting hole to fix the first connecting piece and the third connecting piece, or sequentially penetrates through the first mounting hole and the fifth mounting hole to fix the first connecting piece and the fifth connecting piece.
Optionally, the first connecting piece, the third connecting piece and the fifth connecting piece are in a circular structure.
Optionally, the method further comprises: a second bolt; the second connecting piece, the fourth connecting piece and the sixth connecting piece are flange plates respectively; the second connecting piece is provided with a second mounting hole; a fourth mounting hole is formed in the fourth connecting piece; a sixth mounting hole is formed in the sixth connecting piece;
the second bolt sequentially penetrates through the second mounting hole and the fourth mounting hole to fix the second connecting piece and the fourth connecting piece, or sequentially penetrates through the second mounting hole and the sixth mounting hole to fix the second connecting piece and the sixth connecting piece.
Optionally, the second connecting piece, the fourth connecting piece and the sixth connecting piece are in a circular structure.
Compared with the prior art, the condensate flow measuring device has the beneficial effects that:
the ASME nozzle and the third conduit of the embodiments of the present application can be installed into a condensate flow measurement apparatus using a switched version. When the system is normally used, the third connecting piece and the fourth connecting piece of the third pipeline are respectively connected to the first connecting piece and the second connecting piece, so that the first pipeline, the third pipeline and the second pipeline form a passage in sequence, and normal use of the system is realized. When a unit performance test is required, the third connecting piece and the fourth connecting piece of the third pipeline are respectively detached from the first connecting piece and the second connecting piece, then the ASME nozzle is arranged between the first pipeline and the second pipeline, then the fifth connecting piece of the ASME nozzle is connected to the first connecting piece, and the sixth connecting piece of the ASME nozzle is connected to the second connecting piece, so that the first pipeline, the ASME nozzle and the second pipeline form a passage in sequence.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application (with a third conduit installed);
fig. 2 is a schematic diagram of an embodiment of the present application (with ASME nozzle installed).
In the figure, 1, a low-pressure heater; 2. a deaerator; 3. a first pipe; 4. a second pipe; 5. a third conduit; 6. a first connector; 7. a second connector; 8. ASME nozzle; 9. a third connecting member; 10. a fourth connecting member; 11. a fifth connecting member; 12. a sixth connecting member; 13. a flow orifice plate; 14. a tee joint; 15. a fourth conduit; 16. a fifth pipe; 17. a first check valve; 18. a second check valve; 19. a first valve.
Detailed Description
The following describes in further detail the embodiments of the present application with reference to the drawings and examples. The following examples are illustrative of the application and are not intended to limit the scope of the application.
First, it should be noted that the top, bottom, upward, downward, etc. orientations referred to herein are defined with respect to the orientation in the various figures, are relative concepts and thus can be changed depending on the different positions they are in and the different practical states. These and other orientations, therefore, are not to be considered limiting.
It should be noted that the term "comprising" does not exclude other elements or steps and the "a" or "an" does not exclude a plurality.
Furthermore, it should also be noted that any individual feature described or implicit in the embodiments herein, or any individual feature shown or implicit in the drawings, can still be combined between these features (or their equivalents) to obtain other embodiments of the application not directly mentioned herein.
It should also be understood that the terms "first," "second," and the like are used herein to describe various information, but that such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the application.
It should be noted that in different drawings, the same reference numerals indicate the same or substantially the same components.
As shown in fig. 1 and 2, a condensate flow measurement apparatus according to a preferred embodiment of the present application includes: the low pressure heater 1, the deaerator 2, the first conduit 3, the second conduit 4, the third conduit 5, the first connector 6, the second connector 7, and the ASME nozzle 8. A first end of the first pipeline 3 is communicated with the low-pressure heater 1, and a second end of the first pipeline 3 is connected with a first connecting piece 6; the first end of the second pipeline 4 is connected with the second connecting piece 7, and the second end of the second pipeline 4 is communicated with the deaerator 2.
The opposite ends of the third pipe 5 are respectively provided with a third connecting piece 9 detachably connected with the first connecting piece 6 and a fourth connecting piece 10 detachably connected with the second connecting piece 7. The opposite ends of the ASME nozzle 8 are respectively provided with a fifth connecting piece 11 detachably connected with the first connecting piece 6 and a sixth connecting piece 12 detachably connected with the second connecting piece 7.
Based on the above-described structure, the ASME nozzle 8 and the third pipe 5 in the present application can be installed into the condensate flow measuring apparatus using a switched form. Referring to fig. 1, in normal use of the system, the third and fourth connection members 9 and 10 of the third pipe 5 are connected to the first and second connection members 6 and 7, respectively, so that the first, third and second pipes 3, 5 and 4 form a passage in sequence to achieve normal use of the system. Referring to fig. 2, when a unit performance test is required, the third connecting piece 9 and the fourth connecting piece 10 of the third pipeline 5 are respectively detached from the first connecting piece 6 and the second connecting piece 7, then the ASME nozzle 8 is arranged between the first pipeline 3 and the second pipeline 4, then the fifth connecting piece 11 of the ASME nozzle 8 is connected to the first connecting piece 6, and the sixth connecting piece 12 of the ASME nozzle 8 is connected to the second connecting piece 7, so that the first pipeline 3, the ASME nozzle 8 and the second pipeline 4 form a passage in sequence.
Further, the application also comprises: a flow orifice 13. The flow orifice 13 is arranged on the second pipeline 4, so that the flow orifice 13 and the ASME nozzle 8 are arranged in series during unit performance test of the condensate flow measuring device provided by the application, and the ASME nozzle 8 and the flow orifice 13 can be measured simultaneously.
In a possible embodiment, the present application further comprises: tee 14, fourth conduit 15 and fifth conduit 16. The first end of the tee joint 14 is communicated with the second pipeline 4, the second end of the tee joint 14 is communicated with the first end of the fourth pipeline 15, the third section of the tee joint 14 is communicated with the first end of the fifth pipeline 16, the second end of the fourth pipeline 15 is communicated with the deaerator 2, and the second end of the fifth pipeline 16 is communicated with the deaerator 2, so that the condensate water of the second pipeline 4 can be split through the arrangement of the tee joint 14.
In a possible embodiment, the present application further comprises: a first check valve 17 and a second check valve 18. The first check valve 17 is arranged on the fourth pipe 15, the first check valve 17 is configured to allow the condensate to flow from the second pipe 4 in the direction of the fourth pipe 15 while preventing the condensate from flowing in the opposite direction, the second check valve 18 is arranged on the fifth pipe 16, the second check valve 18 is configured to allow the condensate to flow from the second pipe 4 in the direction of the fifth pipe 16 while preventing the condensate from flowing in the opposite direction, so that the condensate of the fourth pipe 15 and the fifth pipe 16 is prevented from flowing back to the second pipe 4 to cause a measurement error of the ASME nozzle 8 and the flow orifice 13.
Further, the application also comprises: a first valve 19. The first valve 19 is provided on the first pipe 3, thereby realizing control of a condensate passage on the first pipe 3.
Further, the application also comprises: a first bolt. The first connecting piece 6, the third connecting piece 9 and the fifth connecting piece 11 are flanges respectively. The first connecting piece 6 is provided with a first mounting hole, the third connecting piece 9 is provided with a third mounting hole, the fifth connecting piece 11 is provided with a fifth mounting hole, and the number of the first mounting hole, the third mounting hole and the fifth mounting hole is multiple and is in one-to-one correspondence.
Wherein, first bolt wears in proper order first mounting hole and third mounting hole in order fixed first connecting piece 6 with third connecting piece 9, perhaps first bolt wears in proper order first mounting hole and fifth mounting hole in order fixed first connecting piece 6 with fifth connecting piece 11.
The application can realize the detachable connection among the first pipeline 3, the third pipeline 5 and the ASME nozzle 8 through the connection among the flanges, and the flanges can play a sealing role so as to improve the accuracy of measurement.
Further, the first connecting member 6, the third connecting member 9, and the fifth connecting member 11 have a circular structure.
Further, the application also comprises: and a second bolt. The second connecting piece 7, the fourth connecting piece 10 and the sixth connecting piece 12 are flanges respectively, a second mounting hole is formed in the second connecting piece 7, a fourth mounting hole is formed in the fourth connecting piece 10, and a sixth mounting hole is formed in the sixth connecting piece 12.
The second bolts sequentially penetrate through the second mounting holes and the fourth mounting holes to fix the second connecting piece 7 and the fourth connecting piece 10, or sequentially penetrate through the second mounting holes and the sixth mounting holes to fix the second connecting piece 7 and the sixth connecting piece 12, and the number of the second mounting holes, the fourth mounting holes and the sixth mounting holes is multiple and is set in a one-to-one correspondence mode.
The application can realize the detachable connection among the second pipeline 4, the fourth pipeline 15 and the ASME nozzle 8 through the connection among the flanges, and the flanges can play a sealing role so as to improve the accuracy of measurement.
Further, the second connecting member 7, the fourth connecting member 10 and the sixth connecting member 12 have a circular structure.
The working process of the application is as follows: when the system is used normally, the third connecting piece 9 and the fourth connecting piece 10 of the third pipeline 5 are respectively connected to the first connecting piece 6 and the second connecting piece 7, so that the first pipeline 3, the third pipeline 5 and the second pipeline 4 form a passage in sequence, and the normal use of the system is realized. When a unit performance test is required, the third connector 9 and the fourth connector 10 of the third pipeline 5 are respectively detached from the first connector 6 and the second connector 7, then the ASME nozzle 8 is placed between the first pipeline 3 and the second pipeline 4, then the fifth connector 11 of the ASME nozzle 8 is connected to the first connector 6, and the sixth connector 12 of the ASME nozzle 8 is connected to the second connector 7, so that the first pipeline 3, the ASME nozzle 8 and the second pipeline 4 form a passage in sequence.
In summary, the embodiment of the application provides a condensate flow measuring device, which can enable two or more units to be built in the same time in a power plant through the detachable arrangement of ASME nozzles 8, only one set of ASME flow nozzles can be purchased, different unit performance tests can be carried out in time periods, and a plurality of units can share one set of ASME flow nozzles.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered as being within the scope of the present application.
Claims (8)
1. A condensate flow measurement apparatus, comprising: the low-pressure heater, the deaerator, the first pipeline, the second pipeline, the third pipeline, the first connecting piece, the second connecting piece and the ASME nozzle; a first end of the first pipeline is communicated with the low-pressure heater, and a second end of the first pipeline is connected with a first connecting piece; the first end of the second pipeline is connected with the second connecting piece, and the second end of the second pipeline is communicated with the deaerator;
the opposite ends of the third pipeline are respectively provided with a third connecting piece which can be detachably connected with the first connecting piece and a fourth connecting piece which can be detachably connected with the second connecting piece; and the opposite ends of the ASME nozzle are respectively provided with a fifth connecting piece which can be detachably connected with the first connecting piece and a sixth connecting piece which can be detachably connected with the second connecting piece.
2. The condensate flow measurement device of claim 1, further comprising: a flow orifice plate; the flow orifice plate is disposed on the second conduit.
3. The condensate flow measurement device of claim 1, further comprising: tee joint, fourth pipeline and fifth pipeline; the first end of the tee joint is communicated with the second pipeline; the second end of the tee joint is communicated with the first end of the fourth pipeline; the third section of the tee is communicated with the first end of the fifth pipeline; the second end of the fourth pipeline is communicated with the deaerator; the second end of the fifth pipeline is communicated with the deaerator.
4. The condensate flow measurement device of claim 3, further comprising: a first check valve and a second check valve; the first check valve is disposed on the fourth conduit, the first check valve configured to allow the flow of condensate from the second conduit to the direction of the fourth conduit while preventing the flow of condensate in the opposite direction; the second check valve is disposed on the fifth pipe, and is configured to allow the flow of condensed water from the second pipe to the direction of the fifth pipe while preventing the flow of condensed water in the opposite direction.
5. The condensate flow measurement device of claim 1, further comprising: a first bolt; the first connecting piece, the third connecting piece and the fifth connecting piece are flange plates respectively; the first connecting piece is provided with a first mounting hole; a third mounting hole is formed in the third connecting piece; a fifth mounting hole is formed in the fifth connecting piece;
the first bolt sequentially penetrates through the first mounting hole and the third mounting hole to fix the first connecting piece and the third connecting piece, or sequentially penetrates through the first mounting hole and the fifth mounting hole to fix the first connecting piece and the fifth connecting piece.
6. The condensate flow device as recited in claim 1 wherein the first, third and fifth connectors are circular in configuration.
7. The condensate flow measurement device of claim 1, further comprising: a second bolt; the second connecting piece, the fourth connecting piece and the sixth connecting piece are flange plates respectively; the second connecting piece is provided with a second mounting hole; a fourth mounting hole is formed in the fourth connecting piece; a sixth mounting hole is formed in the sixth connecting piece;
the second bolt sequentially penetrates through the second mounting hole and the fourth mounting hole to fix the second connecting piece and the fourth connecting piece, or sequentially penetrates through the second mounting hole and the sixth mounting hole to fix the second connecting piece and the sixth connecting piece.
8. The condensate flow device as claimed in claim 1, wherein the second connector, the fourth connector and the sixth connector are of circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311071241.0A CN117109672A (en) | 2023-08-23 | 2023-08-23 | Condensate flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311071241.0A CN117109672A (en) | 2023-08-23 | 2023-08-23 | Condensate flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117109672A true CN117109672A (en) | 2023-11-24 |
Family
ID=88808640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311071241.0A Pending CN117109672A (en) | 2023-08-23 | 2023-08-23 | Condensate flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117109672A (en) |
-
2023
- 2023-08-23 CN CN202311071241.0A patent/CN117109672A/en active Pending
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