CN2748873Y - Adjustable telescopic current rectifier - Google Patents
Adjustable telescopic current rectifier Download PDFInfo
- Publication number
- CN2748873Y CN2748873Y CN 200420061897 CN200420061897U CN2748873Y CN 2748873 Y CN2748873 Y CN 2748873Y CN 200420061897 CN200420061897 CN 200420061897 CN 200420061897 U CN200420061897 U CN 200420061897U CN 2748873 Y CN2748873 Y CN 2748873Y
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- cylindrical shell
- rectification
- adjustable telescopic
- utility
- current rectifier
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Abstract
An adjustable telescopic current rectifier proposed by the utility model is an improved bundled tubes current adjuster (abbreviation: bundled tubes type current rectifier). The primary structure is characterized in that a commutation cylinder with a set of commutation bundled tubes is sheathed with an expansion joint of creeping flange structure. The creeping flange can slip and be flexed along the commutation cylinder. The adjustable telescopic current rectifier is used matching with an orifice flow meter. The flow form of a fluid can commutated to thoroughly eliminate the interfere to the flow form of the fluid from a choke member. The utility model improves the measuring accuracy of the orifice flow meter, specially adaptable to operation situations where a fluid medium is dirty, strongly caustic, damp and easy-to-rust and which need knock-down cleaning and periodic verification. The utility model with excellent prospect has notable advantages of simple structure and convenient assemblage and maintenance disassembling operation.
Description
Technical field:
The utility model relates to tube bank flow conditioner (abbreviation rectifier), belong to the technical field of fluids such as gas or liquid being carried out test and measuring, specifically a kind of adjustable telescopic rectifier, it and orifice flowmeter is supporting installs and uses, the fluidised form of fluid medium is carried out rectification.
Background technology:
In the instrument that the flow of fluids such as gas and liquid is measured, the most frequently used flow is in respect of propeller flowmeter, the worm gear flowmeter, polytypes such as waist wheel (being Roots) flowmeter and orifice flowmeter, wherein, propeller flowmeter, the principle of work of worm gear flowmeter or waist wheel (being Roots) flowmeter is: utilize the impeller that places in the fluid media (medium), worm gear or waist wheel, under fluid impact, rotate and measure, the corrosion souring that its rotation movable member is subjected to fluid media (medium) for a long time can be worn and torn and surface scale gradually, its measuring accuracy is with descending gradually service time, need regularly to demarcate again the online or off-line position of surperficial indicating value, particularly under the dirtier operating mode of fluid media (medium), its measuring accuracy will sharply descend, shorten cleaning frequency and serviceable life greatly, sometimes need be forced to more renew in advance table, increase operating cost.And the principle of work of orifice flowmeter is to utilize the pressure differential of the differential pressure signal case paratonic movement fluid of orifice plate clamper assembling to carry out gage work, its advantage is simple in structure, movable member without spin, long service life, this just orifice flowmeter gone through and be not eliminated, constantly improved on the contrary main cause perfect, that favored by the user in actual use in more than 100 year.But orifice flowmeter also exists the fluidised form of convection cell and requires very harsh defective, and the fluidised form of its convection cell is disturbed very responsive, and its measuring accuracy is subjected to the fluidised form influence of fluctuations big.Generally be to adopt the method for lengthening straight length to eliminate the interference of choked flow piece convection cell fluidised form, but this method and technology difficulty is big, floor area is big, investment is high.At present, comparatively Xian Jin method is " the 19 tube bank flow conditioner " that adopts new orifice plate measurement standard to recommend, it can shorten the length of the preceding upstream of orifice flowmeter straight length greatly, it is equipped 19 rectifications tube bank in the rectification cylindrical shell, utilize the fluidised form of one group of rectification tube bank convection cell to carry out rectification, reach the purpose that shortens flow development length, " the 19 tube bank flow conditioner " but that use at present is to be connected in the straight length of upstream by the mounting flange that is fixedly installed in rectification cylindrical shell two ends, operation is extremely inconvenient when installing and using with repair demolition, particularly dirtier at fluid media (medium), corrosivity is stronger, moist easy-to-rust, need again often to clean, when using in the workplace of periodic verification, dismounting and assembly manipulation are then more difficult.
The utility model content:
The utility model is to propose a kind of modern design on the basis of existing technology, simple in structure, easy to manufacture, the all extremely conveniently adjustable telescopic rectifier of assembling and repair demolition operation is installed, it is achieved by the following technical solution: it is to be fitted with one group of rectification tube bank in the rectification cylindrical shell, it is characterized in that: the end at the rectification cylindrical shell is equipped with mounting flange, the other end at the rectification cylindrical shell is set with creeping flange, creeping flange can be flexible along the slippage of rectification cylindrical shell as required, during installation, at first creeping flange is stretched out along the slippage of rectification barrel front end, mounting flange with rectification cylindrical shell one end is connected in the upstream straight length of orifice flowmeter with the creeping flange that is set in the rectification cylindrical shell other end again, with one group of adjustable bolt creeping flange is connected fastening getting final product with mounting flange again, during dismounting, at first unclamp coupling bolt with straight length, evenly rotate one group of adjustable bolt again creeping flange is pulled back withdrawal along the rectification cylindrical shell, assembling and repair demolition operation can be installed quickly and easily.
The utility model also has following technical characterictic:
Recessed neck stage is made in the position that cooperates with the creeping flange suit on the rectification cylindrical shell, can simplify to be convenient to metal processing, improves the surface engagement precision of rectification cylindrical shell fovea superior neck stage, makes creeping flange light, capable of expansion and contraction along the sliding motion of rectification cylindrical shell.
Suit mating surface device at creeping flange and rectification cylindrical shell has O-ring seal, can improve sealing effectiveness effectively.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1.
Embodiment:
The adjustable telescopic rectifier that the utility model proposes is implemented by following technical solution: it is to be equipped with 19 commutator tubes 11 according to distribution mode symmetrically and evenly in rectification cylindrical shell 9, end welded and installed at rectification cylindrical shell 9 has the mounting flange 10 of making the double flange structure, done recessed neck stage 7 at rectification cylindrical shell 9 other ends, recessed neck stage 7 places at rectification cylindrical shell 9 are set with creeping flange 6, creeping flange 6 is made the double flange structure equally, creeping flange 6 can be flexible along recessed neck stage 7 slippages of rectification cylindrical shell 9, suit mating surface device at creeping flange 6 and rectification cylindrical shell 9 has O-ring seal 5, it is what to assemble with disassembling section as follows: when assembling is installed, with the straight length 13 of welded and installed before the mounting flange 10 usefulness stud bolts 12 of rectification cylindrical shell 9 one ends are connected in orifice flowmeter, suit and the creeping flange 6 usefulness stud bolts 4 that stretch out along the recessed neck stage 7 front end slippages of rectification cylindrical shell 9 are connected in upstream straight length 3, at creeping flange 6 and upstream straight length 3 mating surface place pads packing washer 2 is housed, with one group of adjustable bolt 8 creeping flange 6 is connected fastening getting final product with mounting flange 10 again, gas medium enters rectification cylindrical shell 9 by upstream straight length 3 shown in air inlet arrow 1, after carrying out rectification by the fluidised form that is assemblied in the 11 pairs of gas mediums of 19 commutator tubes in the rectification cylindrical shell 9, as give vent to anger and enter orifice flowmeter reposefully through straight length 13 shown in the arrow 14, can thoroughly eliminate the interference of choked flow piece to gas flow pattern, can guarantee the orifice flowmeter operate as normal, improve the measuring accuracy of orifice flowmeter, when needing dismounting, at first unclamp stud bolt 4,12, evenly rotate one group of adjustable bolt 8 again and creeping flange 6 can be pulled back withdrawal along the recessed neck stage 7 of rectification cylindrical shell 9, can carry out disassembling section quickly and easily.
Claims (3)
1. adjustable telescopic rectifier, it is to be fitted with one group of rectification tube bank (11) in rectification cylindrical shell (9), it is characterized in that: the end at rectification cylindrical shell (9) is equipped with mounting flange (10), is set with creeping flange (6) at the other end of rectification cylindrical shell (9).
2. adjustable telescopic rectifier according to claim 1 is characterized in that: go up the position that cooperates with creeping flange (6) suit at rectification cylindrical shell (9) and make recessed neck stage (7).
3. adjustable telescopic rectifier according to claim 1 and 2 is characterized in that: the suit mating surface device at creeping flange (6) and rectification cylindrical shell (9) has O-ring seal (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061897 CN2748873Y (en) | 2004-11-03 | 2004-11-03 | Adjustable telescopic current rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061897 CN2748873Y (en) | 2004-11-03 | 2004-11-03 | Adjustable telescopic current rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2748873Y true CN2748873Y (en) | 2005-12-28 |
Family
ID=35720365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420061897 Expired - Fee Related CN2748873Y (en) | 2004-11-03 | 2004-11-03 | Adjustable telescopic current rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2748873Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452969A (en) * | 2013-08-19 | 2013-12-18 | 无锡杰尔压缩机有限公司 | Porous rectifying device with pressure reduction function |
| CN104180911A (en) * | 2013-05-27 | 2014-12-03 | 无锡杰尔压缩机有限公司 | Airflow temperature-arranging device, blower fan using same, and airflow temperature-arranging method |
| CN105299782A (en) * | 2015-10-13 | 2016-02-03 | 无锡普爱德环保科技有限公司 | Rotary dehumidification device |
| CN105351296A (en) * | 2015-01-09 | 2016-02-24 | 新汶矿业集团有限责任公司 | Laminar flow device |
| CN108917869A (en) * | 2018-06-12 | 2018-11-30 | 中国石油天然气股份有限公司 | rectifying device |
-
2004
- 2004-11-03 CN CN 200420061897 patent/CN2748873Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180911A (en) * | 2013-05-27 | 2014-12-03 | 无锡杰尔压缩机有限公司 | Airflow temperature-arranging device, blower fan using same, and airflow temperature-arranging method |
| CN103452969A (en) * | 2013-08-19 | 2013-12-18 | 无锡杰尔压缩机有限公司 | Porous rectifying device with pressure reduction function |
| CN105351296A (en) * | 2015-01-09 | 2016-02-24 | 新汶矿业集团有限责任公司 | Laminar flow device |
| CN105351296B (en) * | 2015-01-09 | 2018-11-20 | 新汶矿业集团有限责任公司 | Laminar flow device |
| CN105299782A (en) * | 2015-10-13 | 2016-02-03 | 无锡普爱德环保科技有限公司 | Rotary dehumidification device |
| CN108917869A (en) * | 2018-06-12 | 2018-11-30 | 中国石油天然气股份有限公司 | rectifying device |
| CN108917869B (en) * | 2018-06-12 | 2021-01-29 | 中国石油天然气股份有限公司 | Rectifying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |