CN208984148U - Integrated steam nozzle flowmeter - Google Patents
Integrated steam nozzle flowmeter Download PDFInfo
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- CN208984148U CN208984148U CN201821775277.1U CN201821775277U CN208984148U CN 208984148 U CN208984148 U CN 208984148U CN 201821775277 U CN201821775277 U CN 201821775277U CN 208984148 U CN208984148 U CN 208984148U
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Abstract
It include throttling pressure obtaning device, differential pressure transmitter, pressure obtaning device the utility model relates to a kind of integrated steam nozzle flowmeter, differential pressure transmitter is connect by pressure obtaning device with throttling pressure obtaning device, the pressure obtaning device that throttles includes mounting flange, pressure ring casing and throttle nozzle, throttle nozzle is arranged in pressure ring casing inner cavity, pressure ring casing is divided into the mutually independent positive and negative pressure room in left and right by throttle nozzle, is fixedly connected between mounting flange and pressure ring casing.Integrated steam nozzle flowmeter described in the utility model installs that trouble, failure rate are big, measurement accuracy is low by by the unitary design of poor transmitter and pressure obtaning device, solving the problems, such as conventional flow meters in the process of running.
Description
Technical field
The utility model relates to a kind of steam-flow meter, in particular to a kind of integrated steam nozzle flowmeter.
Background technique
Steam be it is a kind of use extensive heat-carrying working medium, be a kind of important secondary energy sources, the measurement of steam flow is to adding
Strong management, fair trade, energy saving, increase economic efficiency etc. is all of great significance.Restriction flowmeter is as one
The typical differential pressure flowmeter of kind.It is to be used to measure most common the one of gas, liquid and vapor flow rate in current industrial production
Kind flow instrument, is widely used in the industrial production systems such as steel mill, oil plant.Restriction flowmeter is in gas dosing
It occupies an important position.Restriction flowmeter technology maturation, it is it that it is fixed that design, the manufacture of standard throttle apparatus need not fail to be sold at auction in fact
Its flowmeter is incomparable.In gasmetry research, domestic and foreign scholars have carried out a large amount of test with standard throttle apparatus,
Modified mathematical model is given, so having apparent superiority using standard throttle apparatus measurement gas.
But in terms of the measurement of steam, due to the influence of many factors, measuring accuracy can not be improved, limit its
The application of some important events, while restriction flowmeter is very high to the requirement of in-site installation condition, needs longer straight pipe,
Condenser is coupled, installs blowdown valve additional.Impulse pipeline between throttling set and differential pressure meter is weak link, and seal point is more, easily
Generation reveals, blocks, freezing and the failures such as distorted signals.Just because of this, the maintenance of restriction flowmeter is especially big.Winter
Operation also needs to keep the temperature pressure guiding pipe, condenser system, heat tracing, careless slightly just to cause failure.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of integrated steam nozzle flowmeter,
Solve the problems, such as that conventional throttle formula flowmeter installs that trouble, failure rate are big, measurement accuracy is low in the process of running.
The technical solution of the utility model is: integrated spray nozzle steam-flow meter includes throttling pressure obtaning device, differential pressure transporting
Device, pressure obtaning device.Differential pressure transmitter is connect by pressure obtaning device with throttling pressure obtaning device；The pressure obtaning device that throttles includes Method for Installation
Blue, pressure ring casing, throttle nozzle, throttle nozzle are arranged in the inner cavity of pressure ring casing, and pressure ring casing is divided by throttle nozzle
The mutually independent positive and negative pressure room in left and right, is fixedly connected between mounting flange and pressure ring casing.
Further, throttle nozzle and pressure ring casing are sealed by gasket seal, and mounting flange and pressure ring casing pass through close
Gasket sealing.
Further, mounting plane is provided on the disk of mounting flange, mounting plane is used for and transmitter support Guan Gu
It is fixed to connect, differential pressure transmitter is fixedly connected on transmitter support pipe.
Further, pressure port is additionally provided on pressure ring casing, pressure port is located on the periphery of pressure ring casing, pressure port
The perpendicular relationship of symmetrical along the center line of throttle nozzle and with mounting flange mounting plane.
Further, pressure obtaning device includes mutually indepedent and equal internal diameter positive pressure pressure pipe and negative pressure pressure pipe, differential pressure
It is connected by positive pressure pressure pipe, negative pressure pressure pipe with valve group between transmitter and pressure ring casing, positive pressure pressure pipe and positive pressure
Room is connected, and negative pressure pressure pipe is connected with negative pressure room, and the positive pressure room of throttle nozzle two sides and negative pressure are indoor average
Pressure difference is conducted to positive pressure pipe and negative pressure pipe respectively.
Further, drainer is equipped between pressure pipe and valve group.
The utility model has the following beneficial effects: being solved by by the unitary design of poor transmitter and pressure obtaning device
Conventional flow meters install the problem that trouble, failure rate are big, measurement accuracy is low in the process of running.Since differential pressure transmitter is installed
On mounting flange, compared to traditional flowmeter, the length of pressure pipe is substantially reduced.It is effectively reduced leakage link,
The accuracy of measurement is improved, ring casing pressure can guarantee that the pressure obtained is located at the same equipressure in the case where very little of gap
Line, compared with pressure, ring casing pressure pressure area is bigger, and is not easy to plug, and facilitates the average pressure difference of taking-up, improves measurement
Accuracy.
Detailed description of the invention
Fig. 1 is the three-dimensional figure of the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is the partial sectional view of the utility model.
Wherein, the above drawings include the following reference numerals: 1. mounting flanges, 2. pressure ring casings, 3. throttle nozzles, 4. supports
Plate, 5. transmitter support pipes, 6. differential pressure transmitters, 7. valve groups, 8. drainers, 9. positive pressure pressure pipes, 10. negative pressure pressure pipes.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1-3, integrated spray nozzle steam-flow meter includes throttling pressure obtaning device, differential pressure transmitter, pressure obtaning device.
Differential pressure transmitter 6 is connect by pressure obtaning device with throttling pressure obtaning device.Throttling pressure obtaning device is felt ashamed mounting flange 1, pressure ring casing
2, throttle nozzle 3, throttle nozzle 3 are arranged in intracavitary in pressure ring casing 2, and pressure ring casing 2 is divided into left and right phase by throttle nozzle 3
Mutual independent positive and negative pressure room, is fixedly connected between mounting flange 1 and pressure ring casing 2.Throttle nozzle 3 and pressure ring casing 2 pass through
Gasket seal sealing, mounting flange 1 and pressure ring casing 2 are sealed by gasket seal, so that better tightness, to improve measurement
Accuracy.
It is connected between mounting flange 1 with threaded fastener, while is equipped on the disk of mounting flange 1 for installing branch
The mounting plane of fagging 4.It is fixedly connected with transmitter support pipe 5 in support plate 4, is fixedly connected with difference on transmitter support pipe 5
Pressure transmitter.Pressure port is additionally provided on pressure ring casing 2, pressure port is located on the periphery of pressure ring casing 2, and positive and negative pressure port is along section
The center line of flow nozzle 3 it is symmetrical and with the perpendicular relationship of the mounting plane of mounting flange 1.
Pressure obtaning device includes mutually indepedent and equal internal diameter positive pressure pressure pipe 9 and negative pressure pressure pipe 10, differential pressure transmitter 6
Be connected by positive pressure pressure pipe 9, negative pressure pressure pipe 10 with valve group 7 between pressure ring casing 2, positive pressure pressure pipe 9 with just take
Pressure chamber is connected, and negative pressure pressure pipe 10 is connected with negative pressure room, and the positive pressure room of 3 two sides of throttle nozzle and negative pressure are indoor
Mean pressure difference is not conducted to positive pressure pipe and negative pressure pipe.For convenience of the measurement of steam, measurement accuracy, pressure pipe and valve are improved
Drainer 8 is equipped between group 7.
Since differential pressure transmitter 6 is mounted on mounting flange 1 by transmitter support pipe 5, compared to traditional flowmeter,
The length of pressure pipe substantially reduces.It is effectively reduced leakage link, improves the accuracy of measurement, ring casing pressure can be
Guarantee that the pressure obtained is located at the same isobar in the case where the very little of gap, compared with pressure, ring casing pressure pressure area
It is bigger, and be not easy to plug, facilitate the average pressure difference of taking-up, improves the accuracy of measurement.
Integrated spray nozzle steam-flow meter described in the utility model, by by the one of differential pressure transmitter and pressure obtaning device
Formula design, solves that conventional throttle formula flowmeter installation trouble, failure rate in measurement steam operation procedure be big, measurement accuracy
Problem low, difficult in maintenance.So that differential pressure measurement is more convenient, precision is higher.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775277.1U CN208984148U (en) | 2018-10-31 | 2018-10-31 | Integrated steam nozzle flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775277.1U CN208984148U (en) | 2018-10-31 | 2018-10-31 | Integrated steam nozzle flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208984148U true CN208984148U (en) | 2019-06-14 |
Family
ID=66789625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821775277.1U Active CN208984148U (en) | 2018-10-31 | 2018-10-31 | Integrated steam nozzle flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208984148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121297300A (en) * | 2025-10-14 | 2026-01-09 | 瑞大集团有限公司 | A smart throttling device |
-
2018
- 2018-10-31 CN CN201821775277.1U patent/CN208984148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121297300A (en) * | 2025-10-14 | 2026-01-09 | 瑞大集团有限公司 | A smart throttling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 2307B, Building 2, No. 10, Torch Street, Science Park, Changping District, Beijing (Changping Demonstration Area) Patentee after: Beijing Pitor Technology Co.,Ltd. Address before: 102200 2307B, Building 2, No. 10, Torch Street, Science Park, Changping District, Beijing (Changping Demonstration Area) Patentee before: PITOBAR (BEIJING) INSTRUMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |