CN117553962A - Differential pressure transmitter draws pressure pipe - Google Patents
Differential pressure transmitter draws pressure pipe Download PDFInfo
- Publication number
- CN117553962A CN117553962A CN202311499328.8A CN202311499328A CN117553962A CN 117553962 A CN117553962 A CN 117553962A CN 202311499328 A CN202311499328 A CN 202311499328A CN 117553962 A CN117553962 A CN 117553962A
- Authority
- CN
- China
- Prior art keywords
- pipe
- drainage
- shutter
- tube
- sub
- 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
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000009530 blood pressure measurement Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a pressure guiding pipe of a differential pressure transmitter, and relates to the technical field of differential pressure detection equipment; comprising the following steps: a medium delivery tube; a differential pressure transmitter; the first drainage tube is provided with a first end which is arranged on the medium conveying tube, and a second end which is connected to a first pressure guiding port of the differential pressure transmitter; the first end of the second drainage tube is arranged on the medium conveying pipe, and the second end of the second drainage tube is connected to a second pressure guiding port of the differential pressure transmitter; wherein, a first shutter is arranged at the middle section of the first drainage tube; a second shutter is arranged at the middle section of the second drainage tube; the first shutter is used for controlling the on-off of the first drainage tube; the second shutter is used for controlling the on-off of the second drainage tube; the first drainage tube and the second drainage tube are used for introducing the internal pressure of the medium conveying tube into the differential pressure transmitter, so that the differential pressure transmitter is convenient for differential pressure measurement.
Description
Technical Field
The invention relates to the technical field of differential pressure detection equipment, in particular to a pressure guiding pipe of a differential pressure transmitter.
Background
A primary shutter, a secondary shutter and a blow-down valve are arranged on a positive pressure taking pipe and a negative pressure taking pipe in a pressure guiding pipe of a differential pressure transmitter in the prior art, more welding parts and pipeline connecting pieces are involved in construction and maintenance, and the risk of pipeline leakage or blockage is increased. And is too complicated for the structure satisfying the following circumstances and the reliability is lowered. In order to solve the technical problem, a pressure guiding pipe of a differential pressure transmitter is provided.
Disclosure of Invention
The invention aims to provide a pressure guiding pipe of a differential pressure transmitter, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a differential pressure transmitter pressure inducing tube comprising: a medium delivery tube;
a differential pressure transmitter;
the first drainage tube is provided with a first end which is arranged on the medium conveying tube, and a second end which is connected to a first pressure guiding port of the differential pressure transmitter;
the first end of the second drainage tube is arranged on the medium conveying pipe, and the second end of the second drainage tube is connected to a second pressure guiding port of the differential pressure transmitter;
wherein, a first shutter is arranged at the middle section of the first drainage tube; a second shutter is arranged at the middle section of the second drainage tube; the first shutter is used for controlling the on-off of the first drainage tube; the second shutter is used for controlling the on-off of the second drainage tube; the first drainage tube and the second drainage tube are used for introducing the internal pressure of the medium conveying tube into the differential pressure transmitter, so that the differential pressure transmitter is convenient for differential pressure measurement.
As a further scheme of the invention: the first drainage tube comprises a first drainage sub-tube and a second drainage sub-tube, one end of the first drainage sub-tube is connected to the medium conveying tube, the first drainage sub-tube is communicated with the inside of the medium conveying tube, and the other end of the first drainage sub-tube is arranged on the first shutter; one end of the second drainage sub-pipe, which is far away from the first shutter, is installed on a first pressure guiding port of the differential pressure transmitter.
As still further aspects of the invention: the first shutter is connected with the first drainage sub-pipe and the second drainage sub-pipe through flanges or threads.
As still further aspects of the invention: external threads are arranged at one end, close to the first shutter, of the first drainage sub-pipe and one end, close to the first drainage sub-pipe, of the second drainage sub-pipe, and internal threads are arranged at one end, close to the first drainage sub-pipe, of the first shutter; the first shutter is arranged on the first drainage sub-pipe through threads.
As still further aspects of the invention: the first drainage sub-pipe and the second drainage sub-pipe are both provided with a first flange near one end of the first shutter.
As still further aspects of the invention: the second drainage tube comprises a third drainage sub-tube and a fourth drainage sub-tube, one end of the third drainage sub-tube is connected to the medium conveying tube, the first drainage sub-tube is communicated with the inside of the medium conveying tube, the other end of the third drainage sub-tube is connected to the second shutter, one end of the second shutter, far away from the third drainage sub-tube, is fixedly arranged at one end of the fourth drainage sub-tube, and one end, far away from the second shutter, of the fourth drainage sub-tube is arranged on a second pressure guiding port of the differential pressure transmitter.
As still further aspects of the invention: the second shutter is connected with the third drainage sub-pipe and the fourth drainage sub-pipe through flanges or threads.
As still further aspects of the invention: external threads are arranged at one end, close to the second shutter, of the third drainage sub-tube and one end, close to the third drainage sub-tube, of the fourth drainage sub-tube, and internal threads are arranged at one end, close to the third drainage sub-tube, of the second shutter; the second shutter is arranged on the third drainage sub-pipe through threads.
As still further aspects of the invention: a third flange is arranged at one end, close to the second shutter, of each of the third drainage sub-tube and the fourth drainage sub-tube; the two ends of the second shutter are provided with fourth flanges; the third flange and the fourth flange are matched.
As still further aspects of the invention: the first shutter and the second shutter are switching valves.
As still further aspects of the invention: the second drainage sub-pipe is arranged on a first pressure guiding port of the differential pressure transmitter through threads, and the fourth drainage sub-pipe is also arranged on the second pressure guiding port through threads.
Compared with the prior art, the invention has the beneficial effects that: the positive pressure taking pipe and the negative pressure taking pipe are only provided with the one-time opening and closing device, and the sewage is discharged by utilizing the sewage discharging hole of the differential pressure transmitter, so that the structure is simplified, unnecessary links are eliminated, the construction cost, the maintenance cost and the like are greatly reduced, and the stability and the reliability of the system are improved. The detection medium is the differential pressure detection of clean gas or liquid such as nitrogen, oxygen and the like; the differential pressure transmitter can be installed on site; the operation is ensured to be stable and reliable, and the structure is simple, thereby reducing the construction and maintenance cost.
Drawings
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is a schematic structural diagram of a pressure guiding tube of a differential pressure transmitter in an embodiment of the invention.
In the figure: 1-medium delivery pipe, 2-first drainage pipe, 3-second drainage pipe, 4-first shutter, 5-differential pressure transmitter, 6-second shutter, 21-first drainage sub-pipe, 22-second drainage sub-pipe, 31-third drainage sub-pipe, 32-fourth drainage sub-pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, fig. 1 is a schematic diagram of a prior art structure; FIG. 2 is a schematic diagram of a differential pressure transmitter pressure guiding tube according to an embodiment of the present invention; a primary shutter, a secondary shutter and a blow-down valve are arranged on a positive pressure taking pipe and a negative pressure taking pipe in a pressure guiding pipe of a differential pressure transmitter in the prior art, more welding parts and pipeline connecting pieces are involved in construction and maintenance, and the risk of pipeline leakage or blockage is increased. And is too complicated for the structure satisfying the following circumstances and the reliability is lowered. In order to solve the technical problem, a pressure guiding pipe of a differential pressure transmitter is provided.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 2, in an embodiment of the present invention, a pressure guiding tube of a differential pressure transmitter includes: a medium conveying pipe 1, a first drainage pipe 2, a second drainage pipe 3 and a differential pressure transmitter 5; the first end of the first drainage tube 2 is arranged on the medium conveying pipe 1, and the second end of the first drainage tube is connected to a first pressure leading port of the differential pressure transmitter 5; the first end of the second drainage tube 3 is arranged on the medium conveying pipe 1, and the second end of the second drainage tube is connected to a second pressure guiding port of the differential pressure transmitter 5; a first shutter 4 is arranged at the middle section of the first drainage tube 2; a second shutter 6 is arranged in the middle section of the second drainage tube 3; the first shutter 4 is used for controlling the on-off of the first drainage tube 2; the second shutter 6 is used for controlling the on-off of the second drainage tube 3. The first drainage tube 2 and the second drainage tube 3 are used for introducing the internal pressure of the medium conveying pipe 1 into the differential pressure transmitter 5, so that the differential pressure transmitter 5 can conveniently measure the differential pressure. The medium conveying pipe 1 is internally provided with a flowing medium.
The positive pressure taking pipe and the negative pressure taking pipe are provided with the shutter only once, and the sewage is discharged by utilizing the sewage discharging hole of the differential pressure transmitter 5, so that the structure is simplified, unnecessary links are eliminated, the construction cost, the maintenance cost and the like are greatly reduced, and the stability and the reliability of the system are improved. The detection medium is the differential pressure detection of clean gas or liquid such as nitrogen, oxygen and the like; the differential pressure transmitter can be installed on site; the operation is ensured to be stable and reliable, and the structure is simple, thereby reducing the construction and maintenance cost.
As a preferred embodiment of the present invention, the first drainage tube 2 includes a first drainage sub-tube 21 and a second drainage sub-tube 22, one end of the first drainage sub-tube 21 is connected to the medium conveying tube 1, the first drainage sub-tube 21 is communicated with the inside of the medium conveying tube 1, and the other end of the first drainage sub-tube 21 is mounted on the first shutter 4; one end of the first shutter 4 far away from the first drainage sub-pipe 21 is fixedly arranged on one end of the second drainage sub-pipe 22, and one end of the second drainage sub-pipe 22 far away from the first shutter 4 is arranged on a first pressure guiding port of the differential pressure transmitter 5. The mounting of the first shutter 4 is thus achieved.
As a preferred embodiment of the invention, the first shutter 4 can be connected to the first 21 and second 22 drain sub-pipes by means of flanges or threads.
Specifically, the first drainage sub-tube 21 and the second drainage sub-tube 22 are provided with external threads at one end close to the first shutter 4, and the first shutter 4 is provided with internal threads at one end close to the first drainage sub-tube 21; the first shutter 4 is mounted on the first drain sub-pipe 21 by means of threads.
As a preferred embodiment of the invention, either the first drain sub-pipe 21 and the second drain sub-pipe 22 are provided with a first flange at their ends close to the first shutter 4. The two ends of the first shutter 4 are provided with second flanges; the first flange and the second flange are matched.
As a preferred embodiment of the present invention, the second drainage tube 3 includes a third drainage sub-tube 31 and a fourth drainage sub-tube 32, one end of the third drainage sub-tube 31 is connected to the medium conveying tube 1, and the first drainage sub-tube 21 is communicated with the inside of the medium conveying tube 1, the other end of the third drainage sub-tube 31 is connected to the second shutter 6, one end of the second shutter 6 away from the third drainage sub-tube 31 is fixedly mounted on one end of the fourth drainage sub-tube 32, and one end of the fourth drainage sub-tube 32 away from the second shutter 6 is mounted on the second pressure guiding port of the differential pressure transmitter 5, so that the second shutter 6 is mounted.
The second shutter 6 can be connected to the third drain sub-pipe 31 and the fourth drain sub-pipe 32 by means of flanges or threads.
As a preferred embodiment of the present invention, specifically, the ends of the third drainage sub-tube 31 and the fourth drainage sub-tube 32, which are close to the second shutter 6, are provided with external threads, and the ends of the second shutter 6, which are close to the third drainage sub-tube 31, are provided with internal threads; the second shutter 6 is mounted on the third drain sub-pipe 31 by means of threads.
As a preferred embodiment of the invention, the third drain sub-pipe 31 and the fourth drain sub-pipe 32 are each provided with a third flange at the end near the second shutter 6. The two ends of the second shutter 6 are provided with fourth flanges; the third flange and the fourth flange are matched.
As a preferred embodiment of the present invention, the first shutter 4 and the second shutter 6 may be on-off valves.
As a preferred embodiment of the invention, the second flow conduit 22 is screwed onto the first pressure outlet of the differential pressure transmitter 5, and the fourth flow conduit 32 is also screwed onto the second pressure outlet.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A differential pressure transmitter pressure inducing tube, comprising: a medium delivery pipe (1);
a differential pressure transmitter (5);
the first drainage tube (2) is provided with a first end which is arranged on the medium conveying tube (1), and a second end which is connected to a first pressure leading port of the differential pressure transmitter (5);
the first end of the second drainage tube (3) is arranged on the medium conveying tube (1), and the second end of the second drainage tube is connected to a second pressure guiding port of the differential pressure transmitter (5);
wherein, a first shutter (4) is arranged at the middle section of the first drainage tube (2); a second shutter (6) is arranged at the middle section of the second drainage tube (3); the first shutter (4) is used for controlling the on-off of the first drainage tube (2); the second shutter (6) is used for controlling the on-off of the second drainage tube (3); the first drainage tube (2) and the second drainage tube (3) are used for introducing the internal pressure of the medium conveying pipe (1) into the differential pressure transmitter (5), so that the differential pressure transmitter (5) can conveniently measure the differential pressure.
2. The differential pressure transmitter pressure guiding pipe according to claim 1, characterized in that the first drainage pipe (2) comprises a first drainage sub-pipe (21) and a second drainage sub-pipe (22), one end of the first drainage sub-pipe (21) is connected to the medium conveying pipe (1), the first drainage sub-pipe (21) is communicated with the inside of the medium conveying pipe (1), and the other end of the first drainage sub-pipe (21) is installed on the first shutter (4); one end of the first shutter (4) far away from the first drainage sub-pipe (21) is fixedly arranged at one end of the second drainage sub-pipe (22), and one end of the second drainage sub-pipe (22) far away from the first shutter (4) is arranged at a first pressure guiding port of the differential pressure transmitter (5).
3. The differential pressure transmitter pressure pipe according to claim 2, characterized in that the first shutter (4) is connected with the first drainage sub-pipe (21) and the second drainage sub-pipe (22) by means of flanges or threads.
4. A differential pressure transmitter pressure guiding tube according to claim 3, characterized in that the first and second drainage sub-tubes (21, 22) are provided with external threads near one end of the first shutter (4), and the first shutter (4) is provided with internal threads near one end of the first drainage sub-tube (21).
5. A differential pressure transmitter pressure guiding tube according to claim 3, characterized in that the first and second drainage sub-tubes (21, 22) are provided with a first flange at one end close to the first shutter (4).
6. The differential pressure transmitter pressure guiding pipe according to claim 2, wherein the second drainage pipe (3) comprises a third drainage sub-pipe (31) and a fourth drainage sub-pipe (32), one end of the third drainage sub-pipe (31) is connected to the medium conveying pipe (1), the first drainage sub-pipe (21) is communicated with the inside of the medium conveying pipe (1), the other end of the third drainage sub-pipe (31) is connected to the second shutter (6), one end of the second shutter (6) far away from the third drainage sub-pipe (31) is fixedly installed on one end of the fourth drainage sub-pipe (32), and one end of the fourth drainage sub-pipe (32) far away from the second shutter (6) is installed on the second pressure guiding port of the differential pressure transmitter (5).
7. The differential pressure transmitter pressure pipe according to claim 6, characterized in that the second shutter (6) is connected with the third (31) and fourth (32) drainage sub-pipes by means of flanges or threads.
8. The differential pressure transmitter pressure guiding pipe according to claim 7, wherein the third drainage sub-pipe (31) and the fourth drainage sub-pipe (32) are respectively provided with external threads at one end close to the second shutter (6), and the second shutter (6) is provided with internal threads at one end close to the third drainage sub-pipe (31); the second shutter (6) is mounted on the third drainage sub-pipe (31) through threads.
9. The pressure guiding tube of the differential pressure transmitter according to claim 7, wherein a third flange is arranged at one end of the third drainage sub-tube (31) and one end of the fourth drainage sub-tube (32) close to the second shutter (6); the two ends of the second shutter (6) are provided with fourth flanges; the third flange and the fourth flange are matched.
10. The differential pressure transmitter pressure pipe of claim 6, wherein the second flow conduit sub-pipe (22) is threadably mounted on the first pressure inlet of the differential pressure transmitter (5), and the fourth flow conduit sub-pipe (32) is also threadably mounted on the second pressure inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311499328.8A CN117553962A (en) | 2023-11-09 | 2023-11-09 | Differential pressure transmitter draws pressure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311499328.8A CN117553962A (en) | 2023-11-09 | 2023-11-09 | Differential pressure transmitter draws pressure pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117553962A true CN117553962A (en) | 2024-02-13 |
Family
ID=89812091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311499328.8A Pending CN117553962A (en) | 2023-11-09 | 2023-11-09 | Differential pressure transmitter draws pressure pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117553962A (en) |
-
2023
- 2023-11-09 CN CN202311499328.8A patent/CN117553962A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207540762U (en) | A kind of filter element circulating resistance test device | |
| CN102121569A (en) | Liquid sealing device for centralized liquid drainage of gas conduit | |
| CN117553962A (en) | Differential pressure transmitter draws pressure pipe | |
| CN105784020B (en) | Rectangular needle tube flowmeter | |
| CN212931820U (en) | Leak detection frock in electrodialysis equipment | |
| CN212896611U (en) | Multi-path pressure-stabilizing water supply device | |
| CN210834375U (en) | Sulfuric acid mist monitoring and sampling device | |
| CN210601051U (en) | High-flow pressure regulating box | |
| CN217331286U (en) | Simple and practical gravity drainage flow measuring device | |
| CN208223796U (en) | A kind of valve fluid performance test pipeline | |
| CN201116881Y (en) | Sulfur pool liquid level measuring device | |
| CN219434142U (en) | Petrochemical device contains tar quench water flowmeter measurement installation type | |
| CN219319494U (en) | Integrated butt-clamp flowmeter main body and flowmeter | |
| CN218564480U (en) | Torch condensate collecting device | |
| CN220794325U (en) | Laminar flow flowmeter structure | |
| CN2794602Y (en) | Integral filter for water distribution room | |
| CN217121217U (en) | Valve chamber ball valve blowdown unloading collection device of natural gas transmission station | |
| CN220251100U (en) | Device for installing flowmeter on municipal drainage pipeline | |
| CN220523890U (en) | Steam condensate drain discharge system | |
| CN210571139U (en) | Integrated double-differential-pressure-taking wedge-shaped gas-liquid two-phase flow measuring device | |
| CN209745461U (en) | Integrated double-differential-pressure-taking gas-liquid two-phase flow measuring device for eccentric orifice plate | |
| CN212564899U (en) | Integrated pipeline | |
| CN217504868U (en) | Clamp plate type self-exhaust differential pressure transmitter and throttling device | |
| CN219608907U (en) | Water quality monitoring system | |
| CN212130831U (en) | Horizontal axial-flow pump test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |