CN203551012U - Double-clip type taper pipe flow meter for petroleum and gas - Google Patents
Double-clip type taper pipe flow meter for petroleum and gas Download PDFInfo
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- CN203551012U CN203551012U CN201320734136.6U CN201320734136U CN203551012U CN 203551012 U CN203551012 U CN 203551012U CN 201320734136 U CN201320734136 U CN 201320734136U CN 203551012 U CN203551012 U CN 203551012U
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- Prior art keywords
- mounting bracket
- pipe
- sections
- pressure
- guiding cone
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- 239000003208 petroleum Substances 0.000 title abstract 4
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000003209 petroleum derivative Substances 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 6
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a double-clip type taper pipe flow meter for petroleum and gas. The double-clip type taper pipe flow meter for the petroleum and gas comprises a pipe body, a flow guiding conic body, a positive pressure taking pipe and a negative pressure taking pipe. The positive pressure taking pipe is connected to the portion, between the small end of the flow guiding conic body and an inlet of the pipe body, of the pipe wall and the negative pressure taking pipe is communicated with a pressure taking hole in the flow guiding conic body. The pipe body is divided into two sections and the two pipe sections are fixed in a butt joint mode, an installation support is clamped between the butt-joint ends of the two pipe sections in a sealing mode, and the flow guiding conic body is fixed to the installation support. The installation support is provided with a ventilation portion so that gas in the pipe body can axially flow through the installation support through the ventilation portion. A pressure taking channel is further formed in the installation support and a pressure taking hole of the flow guiding conic body is communicated with the negative pressure taking pipe through the pressure taking channel of the installation support. The double-clip type taper pipe flow meter for the petroleum and gas is easy to assemble and low in vibration and noise in the operation process.
Description
Technical field
The utility model relates to a kind of gas measuring apparatus, is specially a kind of petroleum gas wafer type conical pipe flowmeter.
Background technology
At petroleum gas, adopt in transporting operation, conical pipe flowmeter is widely used in the metering of combustion gas.Existing conical pipe flowmeter mainly comprises body and is located at the guiding cone in body, gas meter as disclosed in CN201110127584.5, thereby its principle of work is the flow that the pressure differential by gathering guiding cone front and back calculates gas, has advantages of that measuring accuracy is high, measurement range is wide.But, guiding cone in existing conical pipe flowmeter is to be all cantilevered to be fixed in body, such flowmeter has the following disadvantages: first, it makes the assembling of existing flowmeter very difficult, and guiding cone need to stretch into from one end of body by a special tooling, workman puts in soldering appliance from the other end guiding cone and negative pressure taking pressure pipe is welded and fixed, operating space is narrow and small, assembles very complicatedly, and efficiency is low, guiding cone easily departs from body axis, is difficult to guarantee assembly precision.Secondly, when flowmeter is worked, cantilever structure unbalance stress, structural stability is poor, under fluid effect, at cantilever design place, can produce great vibration and noise.In addition, the maintenance of existing flowmeter is very inconvenient, when needs are changed guiding cone, there is no special tooling, and operation easier is large, can not quickly guiding cone be disassembled from body owing to adopting defeated scene, therefore can only carry out integral replacing.
Summary of the invention
The purpose of this utility model is to provide a kind of petroleum gas wafer type conical pipe flowmeter, and when it assembles simply, works, vibration and noise are little.
Petroleum gas described in the utility model wafer type conical pipe flowmeter, comprise body, guiding cone, malleation pressure pipe and negative pressure taking pressure pipe, described guiding cone is arranged in body, axis and body dead in line, its small end is towards body import, and large end is towards body outlet, and between end and tube wall, leaves gas channel greatly, described malleation pressure pipe is connected on the tube wall between guiding cone small end and body import, and described negative pressure taking pressure pipe is communicated with the pressure port in guiding cone; Described body is divided into two sections, and two sections of body docking are fixing, and between the craft port of two sections of bodys, clips is equipped with mounting bracket, and guiding cone is fixed on mounting bracket; On described mounting bracket, have ventilation part, make the gas in body cross mounting bracket through ventilation part axial flow, also offer pressure passage on described mounting bracket, the pressure port of described guiding cone is communicated with negative pressure taking pressure pipe by the pressure passage of mounting bracket.
Further, the outer peripheral face of described mounting bracket by the craft port of described body to folder.
Further, described mounting bracket is colyliform, it comprises at least two spokes of central part, outer edge and connection central part and outer edge, the space that adjacent two spokes and outer edge and central part surround forms the ventilation part of described mounting bracket, and described guiding cone is fixed on the central part of described mounting bracket.
Further, the axial width of described mounting bracket is greater than the height sum of the craft port of two sections of bodys, between two sections of bodys that make to dock, leave gap, on the outer edge of described mounting bracket, radially offer threaded hole, described negative pressure taking pressure pipe is screwed on the threaded hole of described outer edge through the gap between described two sections of bodys.
Further, described pressure passage is opened in a wherein spoke of mounting bracket, and one end of described pressure passage is communicated with the negative pressure taking pressure pipe being connected on threaded hole, and the other end is communicated with the pressure port that is fixed on the guiding cone on mounting bracket central part.
Further, described two sections of bodys dock fixing by bolt.
Further, between described mounting bracket and the craft port of two sections of bodys, be provided with O-ring seal.
Further, at entrance point and the endpiece of described body, be provided with joint flange.
Further, in described malleation pressure pipe and negative pressure taking pressure pipe, be provided with stop valve nut.
Petroleum gas described in the utility model adopts segmentation dock body with wafer type conical pipe flowmeter, by mounting bracket, realizes the fixing of guiding cone, and its assembly and disassembly is convenient, does not need special tooling, has improved greatly efficiency of assembling; And can first accurately guiding cone be arranged on behind mounting bracket center, refill in inlet pipe body, by controlling the precision that clamps of body and mounting bracket, just can control the right alignment of guiding cone and body, effectively guarantee assembly precision; In addition, by mounting bracket, fix guiding cone, make its structural strength higher, solved the vibration of existing cantilevered conical pipe flowmeter and the problem of noise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of mounting bracket in the utility model;
Fig. 3 is the front view of mounting bracket in the utility model;
Fig. 4 is the sectional view of the cone assembly that forms of described mounting bracket and guiding cone;
Fig. 5 is the structural representation of inlet end body in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
The wafer type conical pipe flowmeter of petroleum gas as shown in Figure 1, comprises guiding cone 3, mounting bracket 4, malleation pressure pipe 5, negative pressure taking pressure pipe 6 and two sections of bodys 1.
Referring to Fig. 2,3,4, described mounting bracket 4 is colyliform, it comprises central part 41, outer edge 42 and is circumferentially distributed on two spokes 43 between central part and outer edge, and two and half spaces of circles that described two spokes 43 and outer edge 42 and central part 41 surround form the ventilation part 44 of described mounting bracket 4.On the outer edge 42 of mounting bracket 4, radially offer threaded hole 46, at mounting bracket, wherein in a spoke 43, offer pressure passage 45.
The small end of described guiding cone 3 is first threaded connection the side at the central part 41 of mounting bracket 4, make guiding cone 3 and mounting bracket 4 coaxial cables, at seam crossing 32, carry out reinforcement of weld again, one end of described pressure passage 45 is communicated with threaded hole 46, the other end is communicated with the pressure port 31 of guiding cone 3, and mounting bracket 4 and guiding cone 3 form cone assembly.
Described two sections of bodys 1 are fixing by bolt 2 docking, the outer edge 42 of mounting bracket 4 is pressed between the craft port 11 of two sections of bodys, referring to Fig. 5, described craft port 11 is the heavy stand of the mouth of pipe joint of described body 1, between described mounting bracket 4 two sides and the craft port 11 of two sections of bodys 1, be provided with O RunddichtringO 7, and the outer peripheral face of outer edge 42 also by the circumferential inner wall of craft port 11 to folder, guaranteed that mounting bracket 4 is with body 1 coaxial cable, and then made to be positioned at guiding cone 3 and two sections of body 1 coaxial cables of body.
The described small end of the guiding cone in body that is arranged on is towards the import of body 1, large end is towards the outlet of body 1, and between end and tube wall, leave gas channel greatly, gas enters from the entrance point of body 1, ventilation part 44 axial flow through described mounting bracket 4 are crossed mounting bracket 4, then flow through guiding cone 3 and discharge from body outlet side.
The axial width of described mounting bracket 4 is greater than the height sum of the craft port 11 of two sections of bodys, the height of described craft port 11 is the size of described heavy stand on body is axial, make 1 of two sections of body of docking leave gap 12, facilitate the assembling of negative pressure taking pressure pipe 6, described negative pressure taking pressure pipe 6 is screwed on the threaded hole 46 of described mounting bracket 4 outer edges through the gap 12 of 1 of described two sections of body, negative pressure taking pressure pipe 6 is connected with the pressure port 31 of guiding cone 3 by the pressure passage 45 on mounting bracket, described malleation pressure pipe 5 is connected on the tube wall between guiding cone 3 small ends and body import, in described malleation pressure pipe 5 and negative pressure taking pressure pipe 6, be also provided with stop valve nut 8.
Entrance point and endpiece at described body 1 are provided with joint flange 13, for this flowmeter is serially connected between the pipeline of upstream and downstream.
The measuring principle of this flowmeter is identical with existing flowmeter, is all pressure difference test meter is connected in malleation pressure pipe and negative pressure taking pressure pipe, carrys out the flow of Fluid Computation by the differential pressure of induction body inner fluid.
The assembling of above-mentioned flowmeter is very simple and direct, in advance guiding cone 3 is fixed on to mounting bracket 4 centers and forms cone assembly, again two sections of bodys 1 are docked and mounting bracket 4 is clamped between craft port and uses bolt 2 fixing, finally malleation pressure pipe 5 is arranged on body 1, negative pressure taking pressure pipe 6 is screwed on mounting bracket 4.Whole assembling process does not need to use special tooling, time saving and energy saving, avoids carrying out welding operation in narrow pipeline, the simple and effective concentricity that has guaranteed guiding cone and two sections of bodys.And, while changing guiding cone when needing repairing, only need dismounting to connecting bolt, open two sections of bodys, just can, by taking out cone assembly, carry out corresponding maintenance.In addition, above-mentioned flowmeter is in when work, described mounting bracket stressed evenly, structural strength is high, good stability, the vibration while greatly reducing work and noise.
Claims (9)
1. a petroleum gas wafer type conical pipe flowmeter, comprise body (1), guiding cone (3), malleation pressure pipe (5) and negative pressure taking pressure pipe (6), described guiding cone (3) is arranged in body, axis and body dead in line, its small end is towards body import, large end exports towards body, and between end and tube wall, leave gas channel greatly, described malleation pressure pipe (5) is connected on the tube wall between guiding cone (3) small end and body import, and described negative pressure taking pressure pipe (6) is communicated with the pressure port (31) in guiding cone (3);
It is characterized in that: described body (1) is divided into two sections, two sections of bodys (1) docking is fixing, and between the craft port (11) of two sections of bodys, clips is equipped with mounting bracket (4), and guiding cone (3) is fixed on mounting bracket (4);
On described mounting bracket (4), there is ventilation part (44), make the gas in body cross mounting bracket through ventilation part axial flow, on described mounting bracket, also offer pressure passage (45), the pressure port (31) of described guiding cone is communicated with negative pressure taking pressure pipe (6) by the pressure passage (45) of mounting bracket.
2. petroleum gas according to claim 1 wafer type conical pipe flowmeter, is characterized in that: the outer peripheral face of described mounting bracket (4) by the craft port of described body (11) institute to folder.
3. petroleum gas according to claim 1 and 2 wafer type conical pipe flowmeter, it is characterized in that: described mounting bracket (4) is colyliform, at least two spokes (43) that it comprises central part (41), outer edge (42) and is connected central part and outer edge, the space that adjacent two spokes and outer edge and central part surround forms the ventilation part (44) of described mounting bracket, and described guiding cone (3) is fixed on the central part (41) of described mounting bracket.
4. petroleum gas according to claim 3 wafer type conical pipe flowmeter, it is characterized in that: the axial width of described mounting bracket (4) is greater than the height sum of the craft port (11) of two sections of bodys, between the two sections of bodys (1) that make to dock, leave gap (12), on the outer edge (42) of described mounting bracket (4), radially offer threaded hole (46), described negative pressure taking pressure pipe (6) is screwed on the threaded hole of described outer edge through the gap (12) between described two sections of bodys.
5. petroleum gas according to claim 4 wafer type conical pipe flowmeter, it is characterized in that: described pressure passage (45) is opened in a wherein spoke (43) of mounting bracket, one end of described pressure passage (45) is communicated with (6) with the negative pressure taking pressure pipe being connected on threaded hole (46), and the other end is communicated with the pressure port (31) that is fixed on the guiding cone (3) on mounting bracket central part.
6. petroleum gas according to claim 1 and 2 wafer type conical pipe flowmeter, is characterized in that: described two sections of bodys (1) are fixing by bolt (2) docking.
7. petroleum gas according to claim 1 and 2 wafer type conical pipe flowmeter, is characterized in that: between the craft port (11) of described mounting bracket (4) and two sections of bodys, be provided with O-ring seal (7).
8. petroleum gas according to claim 1 and 2 wafer type conical pipe flowmeter, is characterized in that: entrance point and endpiece at described body (1) are provided with joint flange (13).
9. petroleum gas according to claim 1 and 2 wafer type conical pipe flowmeter, is characterized in that: in described malleation pressure pipe (5) and negative pressure taking pressure pipe (6), be provided with stop valve nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734136.6U CN203551012U (en) | 2013-11-20 | 2013-11-20 | Double-clip type taper pipe flow meter for petroleum and gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734136.6U CN203551012U (en) | 2013-11-20 | 2013-11-20 | Double-clip type taper pipe flow meter for petroleum and gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551012U true CN203551012U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320734136.6U Expired - Fee Related CN203551012U (en) | 2013-11-20 | 2013-11-20 | Double-clip type taper pipe flow meter for petroleum and gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591989A (en) * | 2013-11-20 | 2014-02-19 | 重庆市正华钻采设备有限公司 | Double-clip type taper pipe flow meter for petroleum and natural gas |
-
2013
- 2013-11-20 CN CN201320734136.6U patent/CN203551012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591989A (en) * | 2013-11-20 | 2014-02-19 | 重庆市正华钻采设备有限公司 | Double-clip type taper pipe flow meter for petroleum and natural gas |
| CN103591989B (en) * | 2013-11-20 | 2016-08-31 | 重庆市正华钻采设备有限公司 | Petroleum gas wafer type conical pipe flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |