CN206919945U - A kind of adjustable Venturi tube - Google Patents
A kind of adjustable Venturi tube Download PDFInfo
- Publication number
- CN206919945U CN206919945U CN201720657797.1U CN201720657797U CN206919945U CN 206919945 U CN206919945 U CN 206919945U CN 201720657797 U CN201720657797 U CN 201720657797U CN 206919945 U CN206919945 U CN 206919945U
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- CN
- China
- Prior art keywords
- cylinder
- venturi tube
- section
- wallboard
- circular cone
- Prior art date
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- Expired - Fee Related
Links
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model provides a kind of adjustable Venturi tube, including body, tubular body is disposed with inlet cylinders section, circular cone contraction section, cylinder trunnion section and circular cone diffuser, in the upper surface of inlet cylinders section being radially arranged through hole and be connected with positive pressure pipe along Venturi tube, in the upper surface of cylinder trunnion section being radially arranged through hole and be connected with negative pressure pipe along Venturi tube；Circular cone diffuser is symmetrical above and below to be provided with two wallboards, the front end of each wallboard and the conduit wall end of homonymy cylinder trunnion section are hinged, the end of each wallboard is provided with cavity, the first cylinder is provided with cavity, the end of first cylinder is connected with flexible end plate, the second cylinder is provided between the tube wall of each wallboard and homonymy body, the second cylinder is hinged with wallboard.Adjustable Venturi tube provided by the utility model, can compatible different fluid media (medium), without changing during use, save manpower.
Description
Technical field
It the utility model is related to a kind of Venturi tube, more particularly to a kind of Venturi tube of adjustable diffusion angle.
Background technology
Venturi tube is a kind of throttle-type flow sensor developed according to Venturi effect, is a kind of standard throttling
Device.Integral high-pressure Venturi tube series flow sensor is reproducible except inheriting standard Venturi tube degree of accuracy height,
The advantages that crushing is small, and required preceding straight pipeline is short, it is small to be also equipped with own device, it is anti-blocking the advantages of.Available for two to stream, multi-phase flow,
The measurement of the complicated problems of liquid flow such as low flow velocity, Large Diameter Pipeline, special-shaped pipeline.But existing Venturi tube, the angle of diffuser is all
Be it is fixed, can not be compatible for different fluid media (medium)s, and it is cumbersome to change Venturi tube, waste of manpower.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of adjustable Venturi tube,
Being capable of compatible different fluid media (medium).
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of adjustable Venturi tube, including body, the tubular body is disposed with inlet cylinders section, circular cone is received
Contracting section, cylinder trunnion section and circular cone diffuser are logical along being radially arranged for Venturi tube in the upper surface of the inlet cylinders section
Hole is simultaneously connected with positive pressure pipe, in the upper surface of the cylinder trunnion section being radially arranged through hole and be connected with along Venturi tube
Negative pressure pipe；The circular cone diffuser is symmetrical above and below to be provided with two wallboards, circle described in the front end of each wallboard and homonymy
The conduit wall end of cylinder trunnion section is hinged, and the end of each wallboard is provided with cavity, and the first cylinder is provided with the cavity,
The end of first cylinder is connected with flexible end plate, and the is provided between the tube wall of body described in each wallboard and homonymy
Two cylinders, second cylinder are hinged with the wallboard.
Further, the hinged place of the conduit wall end of cylinder trunnion section described in the front end of the wallboard and homonymy is provided with bullet
Property closure.
Further, the front end of the flexible end plate is arranged to elastic end.
Further, first cylinder and the second cylinder pass through step motor control.
Further, the cone angle of the circular cone contraction section is 20 °~22 °, the cone angle adjustable range of the circular cone diffuser
For 7 °~15 °.
A kind of adjustable Venturi tube of the utility model, can compatible different fluid media (medium), without changing during use,
Save manpower.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in figure 1, a kind of adjustable Venturi tube, including body, tubular body are disposed with inlet cylinders section
1st, circular cone contraction section 2, cylinder trunnion section 3 and circular cone diffuser 4, in radial direction of the upper surface of inlet cylinders section 1 along Venturi tube
It is provided with through hole and is connected with positive pressure pipe 5, through hole has been radially arranged simultaneously along Venturi tube in the upper surface of cylinder trunnion section 3
It is connected with negative pressure pipe 6；Circular cone diffuser 4 is symmetrical above and below to be provided with two wallboards 7, front end and the homonymy cylinder of each wallboard 7
The conduit wall end of trunnion section 3 is hinged, and the end of each wallboard 7 is provided with cavity, and the first cylinder 8, the first gas are provided with cavity
The end of cylinder 8 is connected with flexible end plate 9, and the second cylinder 10, the second gas are provided between the tube wall of each wallboard 7 and homonymy body
Cylinder 10 is be hinged with wallboard 7.
Operation principle：
First cylinder and the second cylinder perform simultaneously, control the diffuser angle of taper formed between two wallboards.
The front end of wallboard 7 and the hinged place of the conduit wall end of homonymy cylinder trunnion section 3 are provided with elastic sealing cover 11, ensure
The sealing of the two hinged place.
The front end of flexible end plate 9 is arranged to elastic end, ensures the sealing between the front end of flexible end plate and tube wall.
First cylinder 8 and the second cylinder 10 ensure the two synchronism performed by step motor control.
The cone angle of circular cone contraction section 2 is 20 °~22 °, and the cone angle adjustable range of circular cone diffuser 4 is 7 °~15 °.
The characteristics of the utility model is：
1st, the machining Venturi tube is manufactured and designed by national standard GB/T2624-2006, the mark examined and determine by national standard JJG640
Quasi- throttling arrangement, without demarcation.
2nd, in standard throttle apparatus, the upstream and downstream straight length required by it is most short, permanent compression loss reduction.
3rd, stable performance, reliability are high.
4th, calculating is accurate, energy consumption is small.
5th, available for the various dirty media such as liquid, gas, steam and two phase flow.
6th, it is simple in construction, it is easy to install, it is easy to maintenance.
7th, it is longer to machine Venturi tube, about 2~5 times of caliber.
8th, Venturi tube is machined especially suitable for HTHP occasion.
A kind of adjustable Venturi tube of the utility model, can compatible different fluid media (medium), without changing during use,
Save manpower.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
- A kind of 1. adjustable Venturi tube, it is characterised in that：Including body, the tubular body is disposed with inlet cylinders Section, circular cone contraction section, cylinder trunnion section and circular cone diffuser, in radial direction of the upper surface of the inlet cylinders section along Venturi tube It is provided with through hole and is connected with positive pressure pipe, through hole has been radially arranged along Venturi tube in the upper surface of the cylinder trunnion section And it is connected with negative pressure pipe；The circular cone diffuser is symmetrical above and below to be provided with two wallboards, cylinder trunnion described in the front end of each wallboard and homonymy The conduit wall end of section is hinged, and the end of each wallboard is provided with cavity, is provided with the first cylinder in the cavity, and described the The end of one cylinder is connected with flexible end plate, and the second gas is provided between the tube wall of body described in each wallboard and homonymy Cylinder, second cylinder are hinged with the wallboard.
- A kind of 2. adjustable Venturi tube according to claim 1, it is characterised in that：The front end of the wallboard and homonymy The hinged place of the conduit wall end of the cylinder trunnion section is provided with elastic sealing cover.
- A kind of 3. adjustable Venturi tube according to claim 1, it is characterised in that：The front end of the flexible end plate is set It is set to elastic end.
- A kind of 4. adjustable Venturi tube according to claim 1, it is characterised in that：First cylinder and the second gas Cylinder passes through step motor control.
- A kind of 5. adjustable Venturi tube according to claim 1, it is characterised in that：The cone angle of the circular cone contraction section For 20 °~22 °, the cone angle adjustable range of the circular cone diffuser is 7 °~15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657797.1U CN206919945U (en) | 2017-06-06 | 2017-06-06 | A kind of adjustable Venturi tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657797.1U CN206919945U (en) | 2017-06-06 | 2017-06-06 | A kind of adjustable Venturi tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206919945U true CN206919945U (en) | 2018-01-23 |
Family
ID=61314750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720657797.1U Expired - Fee Related CN206919945U (en) | 2017-06-06 | 2017-06-06 | A kind of adjustable Venturi tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206919945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750939A (en) * | 2020-06-17 | 2020-10-09 | 江阴市节流装置厂有限公司 | A Throat Meridian Adjustable Venturi Tube for Current Limiting Test |
| CN114788978A (en) * | 2022-05-07 | 2022-07-26 | 长沙有色冶金设计研究院有限公司 | Novel pressure leaching process tail gas treatment device and method |
-
2017
- 2017-06-06 CN CN201720657797.1U patent/CN206919945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750939A (en) * | 2020-06-17 | 2020-10-09 | 江阴市节流装置厂有限公司 | A Throat Meridian Adjustable Venturi Tube for Current Limiting Test |
| CN111750939B (en) * | 2020-06-17 | 2022-06-28 | 江阴市节流装置厂有限公司 | A Venturi with adjustable throat diameter for current limiting test |
| CN114788978A (en) * | 2022-05-07 | 2022-07-26 | 长沙有色冶金设计研究院有限公司 | Novel pressure leaching process tail gas treatment device and method |
| CN114788978B (en) * | 2022-05-07 | 2024-04-12 | 长沙有色冶金设计研究院有限公司 | Novel pressure leaching process tail gas treatment device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |