CN220018631U - Anti-blocking throttling device - Google Patents
Anti-blocking throttling device Download PDFInfo
- Publication number
- CN220018631U CN220018631U CN202320994105.8U CN202320994105U CN220018631U CN 220018631 U CN220018631 U CN 220018631U CN 202320994105 U CN202320994105 U CN 202320994105U CN 220018631 U CN220018631 U CN 220018631U
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- Prior art keywords
- pipe
- pressure
- tube
- connecting pipe
- pipeline
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- 230000003068 static effect Effects 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of throttling devices and discloses an anti-blocking throttling device which comprises a measuring tube arranged on a pipeline through a connecting structure, wherein an installation block is arranged at the top of the measuring tube, a differential pressure transmitter, a miniature air pump and a connecting pipe are arranged on the installation block, a total pressure hole and a static pressure hole are respectively formed in two opposite sides of the side wall of the measuring tube, a pressure guiding pipe is arranged in the measuring tube, one end of the pressure guiding pipe is communicated with the total pressure hole and the static pressure hole, and the other end of the pressure guiding pipe is communicated with the differential pressure transmitter and the miniature air pump through the connecting pipe. According to the utility model, the second connecting pipe is arranged at the drainage outlet end of the pressure guiding pipe and is matched with the miniature air pump arranged on the mounting block, and the miniature air pump can blow air outwards to the interiors of the total pressure pipe and the static pressure pipe through the second connecting pipe so as to clean sundries blocked in the interiors of the pressure pipe and the static pressure pipe.
Description
Technical Field
The utility model relates to the technical field of throttling devices, in particular to an anti-blocking throttling device.
Background
The albah flowmeter is a typical differential pressure flowmeter, the albah flowmeter (also called a flute-shaped uniform velocity tube flowmeter) is a novel throttling device developed according to a pitot tube speed measurement principle, the principle is that a high-pressure distribution area is generated on the upstream side of a detection rod when fluid flows through the detection rod, a low-pressure distribution area is generated on the back side, fluid in the high-pressure distribution area enters a full-pressure cavity through all full-pressure holes and is led out by a full-pressure leading pipe after being averaged, fluid in the low-pressure area is led out by a static-pressure leading pipe after being averaged in the static-pressure cavity through a static-pressure hole, and then the flow of a medium can be measured through the difference between the full pressure and the static pressure measured by a differential pressure transmitter, but when the measured liquid or gas medium contains a small amount of impurities, the full-pressure hole and the static-pressure hole of the pipe are easy to detect.
The patent publication No. CN218097877U entitled in China, a choke device for preventing blocking, which comprises a pipeline and a nipple arranged on the pipe wall of the pipeline, wherein a detection pipe is vertically arranged in the pipeline, a full pressure hole and a static pressure hole are arranged on the pipe wall of the detection pipe, the top end of the detection pipe penetrates through the nipple to extend out of the pipeline and horizontally is provided with a connecting block, two air passages are arranged in the connecting block, the air outlets of the two air passages extend to the bottom end of the connecting block and are positioned in the detection pipe, the air inlets of the two air passages extend to the side wall of the connecting block and are provided with an air inlet component, and the air inlet of the air inlet component is ventilated into the two air passages through the air inlet component to blow out blocking impurities, but the air inlet of the air inlet component is blown into the detection pipe through the air passages, and the air blowing of the air inlet component cannot clear the impurities which have entered into the full pressure pipe and the static pressure pipe, so that the inside the full pressure pipe and the static pressure pipe are easy to cause blocking due to the fact that the communicating parts of the full pressure pipe and the static pressure pipe are positioned at the bottom of the detection pipe.
We have therefore proposed an anti-clogging throttle device in order to solve the problems set out above.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an objective of the present utility model is to provide an anti-blocking throttling device, so as to solve the above-mentioned problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a prevent throttling arrangement that blocks up, includes and installs the survey buret on the pipeline through connection structure, survey buret top is provided with the installation piece, be provided with differential pressure transmitter, miniature air pump and connecting pipe on the installation piece, total pressure hole and static pressure hole have been seted up respectively to the relative both sides of survey buret lateral wall, survey buret inside is provided with draws the pressure pipe, the one end that draws the pressure pipe is linked together with total pressure hole and static pressure hole, the other end that draws the pressure pipe is linked together with differential pressure transmitter and miniature air pump through the connecting pipe.
The utility model is further improved in that the connecting pipes comprise a first connecting pipe and a second connecting pipe, two ends of the first connecting pipe are respectively communicated with the differential pressure transmitter and the pressure guiding pipe, and two ends of the second connecting pipe are respectively communicated with the air outlet of the miniature air pump and the pressure guiding pipe.
The utility model is further improved in that the pressure guiding pipe comprises a total pressure pipe and a static pressure pipe, one end of the total pressure pipe, which is far away from the connecting pipe, is communicated with the total pressure hole, and one end of the static pressure pipe, which is far away from the connecting pipe, is communicated with the static pressure hole.
The utility model is further improved in that the first connecting pipe and the second connecting pipe are respectively provided with a first control valve and a second control valve.
The utility model is further improved in that the connecting structure comprises a supporting pipe which is fixed on the pipeline and communicated with the pipeline, a first connecting flange is arranged at one end of the supporting pipe far away from the pipeline, a second connecting flange which is matched with the first connecting flange is arranged on the measuring pipe, and the bottom end of the measuring pipe is inserted into the pipeline through the supporting pipe and is fixed with the first connecting flange and the second connecting flange through bolts.
The utility model is further improved in that a sealing gasket is arranged between the first connecting flange and the second connecting flange.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up the second connecting pipe at the drainage exit end of drawing the pressure pipe, the cooperation sets up the miniature air pump on the installation piece, miniature air pump accessible second connecting pipe outwards blows to the inside of total pressure pipe and static pressure pipe to clear up the debris of jam in the inside of pressure pipe and static pressure pipe.
Drawings
FIG. 1 is a schematic view of the installation structure of an anti-clogging restriction device of the present utility model;
FIG. 2 is an enlarged view of the anti-clogging restriction device of the present utility model at A;
FIG. 3 is a schematic cross-sectional view of an anti-clogging restriction of the present utility model;
fig. 4 is an enlarged view of the anti-clogging restriction of the present utility model at B.
In the figure: the device comprises a measuring tube 1, a total pressure hole 11, a static pressure hole 12, a pressure guiding tube 2, a total pressure tube 21, a static pressure tube 22, a connecting tube 3, a first connecting tube 31, a second connecting tube 32, a differential pressure transmitter 4, a micro air pump 5, a mounting block 6, a first control valve 71, a second control valve 72, a pipeline 8, a connecting structure 9, a supporting tube 91, a first connecting flange 92, a second connecting flange 93 and a sealing gasket 10.
Description of the embodiments
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides an anti-blocking throttling device, which comprises a measuring tube 1, a pressure guiding tube 2, a connecting tube 3, a differential pressure transmitter 4 and a micro air pump 5, wherein the connecting tube is provided with two groups, the measuring tube 1 is installed on a pipeline 8 through a connecting mechanism 9, the specific connecting mechanism comprises a supporting tube 91 vertically installed on the pipeline 8 and communicated with the pipeline 8, a first connecting flange 92 horizontally fixed on the end surface of the supporting tube 91, and a second connecting flange 93 fixed on the side wall of the measuring tube 1 and matched with the first connecting flange 92, the bottom end of the measuring tube 1 is inserted into the pipeline 8 through the supporting tube 91, and the first connecting flange 92 is fixed with the second connecting flange 93 through bolts;
the measuring tube 1 is provided with a total pressure hole 11 and a static pressure hole 12 on two opposite sides of the side wall in the pipeline 8, four total pressure holes 11 are provided, one static pressure hole 12 is provided, and the four total pressure holes 11 are uniformly distributed along the axis direction of the measuring tube 1, and can respectively reflect the flow velocity of each unit area because the total pressure holes are positioned at the center of each unit area. The pressure guiding pipe 2 is arranged in the measuring pipe 1 and is used for guiding fluid into the differential pressure transmitter 4, the specific pressure guiding pipe 2 is composed of a total pressure pipe 21 and a static pressure pipe 22, the bottom end of the total pressure pipe 21 is communicated with four total pressure holes 11, the bottom end of the static pressure pipe 22 is communicated with the static pressure hole 12 in an L shape, the top end of the total pressure pipe 21 is communicated with a positive pressure chamber of the differential pressure transmitter 4 through a first connecting pipe 31 in the connecting pipe 3, the top end of the static pressure pipe 22 is communicated with a negative pressure chamber of the differential pressure transmitter 4 through a first connecting pipe 31 in the connecting pipe 3, the top ends of the total pressure pipe 21 and the static pressure pipe 22 are also communicated with an air outlet of the micro air pump 5 through a second connecting pipe 32 in the connecting pipe 3, the specific total pressure pipe 21 or the top end of the static pressure pipe 22 is three-way with the first connecting pipe 31 and the second connecting pipe 32, the micro air pump 5 can adopt a double-hole air pump, namely, air flow blown out from the micro air pump 5 enters the total pressure pipe 21 and the static pressure pipe 22 through the second connecting pipe 32, impurities are blown out from the bottom ends of the total pressure pipe 21 and the static pressure pipe 22, the measuring pipe 1 is fixedly provided with a measuring pipe 6, and the micro air pump 6 is fixedly arranged on the first connecting pipe 6 and the first connecting pipe 6 is arranged at the joint 6 or the position of the first connecting pipe 31 and the inner connecting pipe 32.
As a preferred technical scheme of the utility model: the first connecting pipe 31 and the second connecting pipe 32 are respectively provided with a first control valve 71 and a second control valve 72, the first control valve 71 and the second control valve 72 can be remote control valves such as electromagnetic valves or manual rotation valves, the first control valve 71 is in an open state during normal measurement, the second control valve 72 is in a closed state, the first control valve 71 can be closed, the second control valve 72 can be opened when blowing cleaning is needed, and blowing air flows are placed into the differential pressure transmitter 4 to influence measurement.
As a preferred technical scheme of the utility model: a gasket 10 is provided between the first connection flange 92 and the second connection flange 93, and the gasket 10 can further improve the sealing property of the connection between the first connection flange 92 and the second connection flange 93, and place the fluid under test to leak therefrom.
What is not described in detail in this specification is all that is known to those skilled in the art.
The electrical components presented herein may all be electrically connected to an external controller, and the controller may be electrically connected to an external 220V mains supply, and the controller may be a conventionally known device for controlling a computer or the like.
Although the utility model has been described in detail with reference to the foregoing embodiments, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are intended to be broadly interpreted as either a fixed connection or a removable connection, for example; or may be indirectly connected through an intervening medium.
In the description of the present utility model, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In this document, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances; it should be understood that those skilled in the art may still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features, and any modification, equivalent substitution, improvement, etc. that are within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a prevent throttle device of jam, includes survey buret (1) of installing on pipeline (8) through connection structure (9), its characterized in that, survey buret (1) top is provided with installation piece (6), be provided with differential pressure transmitter (4), miniature air pump (5) and connecting pipe (3) on installation piece (6), total pressure hole (11) and static pressure hole (12) have been seted up respectively to the relative both sides of buret (1) lateral wall, survey buret (1) inside be provided with draw pressure pipe (2), draw the one end of pressure pipe (2) to be linked together with total pressure hole (11) and static pressure hole (12), draw the other end of pressure pipe (2) to all be linked together with differential pressure transmitter (4) and miniature air pump (5) through connecting pipe (3).
2. The anti-blocking throttling device according to claim 1, wherein the connecting pipe (3) comprises a first connecting pipe (31) and a second connecting pipe (32), two ends of the first connecting pipe (31) are respectively communicated with the differential pressure transmitter (4) and the pressure guiding pipe (2), and two ends of the second connecting pipe (32) are respectively communicated with the air outlet of the miniature air pump (5) and the pressure guiding pipe (2).
3. An anti-clogging throttling device according to claim 1, characterized in that the pressure guiding tube (2) comprises a total pressure tube (21) and a static pressure tube (22), wherein the end of the total pressure tube (21) away from the connecting tube (3) is communicated with the total pressure hole (11), and the end of the static pressure tube (22) away from the connecting tube (3) is communicated with the static pressure hole (12).
4. An anti-clogging throttling device according to claim 2, characterized in that the first connecting pipe (31) and the second connecting pipe (32) are provided with a first control valve (71) and a second control valve (72), respectively.
5. The anti-clogging throttling device according to claim 1, characterized in that the connecting structure (9) comprises a supporting tube (91) fixed on the pipeline (8) and communicated with the pipeline, a first connecting flange (92) is arranged at one end of the supporting tube (91) far away from the pipeline (8), a second connecting flange (93) matched with the first connecting flange (92) is arranged on the measuring tube (1), and the bottom end of the measuring tube (1) is inserted into the pipeline (8) through the supporting tube (91) and is fixed with the first connecting flange (92) and the second connecting flange (93) through bolts.
6. An anti-clogging throttling device in accordance with claim 5, characterized in that a gasket (10) is arranged between the first (92) and the second (93) connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320994105.8U CN220018631U (en) | 2023-04-27 | 2023-04-27 | Anti-blocking throttling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320994105.8U CN220018631U (en) | 2023-04-27 | 2023-04-27 | Anti-blocking throttling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220018631U true CN220018631U (en) | 2023-11-14 |
Family
ID=88675356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320994105.8U Active CN220018631U (en) | 2023-04-27 | 2023-04-27 | Anti-blocking throttling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220018631U (en) |
-
2023
- 2023-04-27 CN CN202320994105.8U patent/CN220018631U/en active Active
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