CN2867304Y - Integrated throttling gear - Google Patents
Integrated throttling gear Download PDFInfo
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- CN2867304Y CN2867304Y CN 200620023538 CN200620023538U CN2867304Y CN 2867304 Y CN2867304 Y CN 2867304Y CN 200620023538 CN200620023538 CN 200620023538 CN 200620023538 U CN200620023538 U CN 200620023538U CN 2867304 Y CN2867304 Y CN 2867304Y
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- pipe
- restriction device
- connecting pipes
- integrated restriction
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Abstract
The utility model relates to an integrated throttling device and belongs to the technical field of flow meter based on electric effect and differential pressure caused by fluid compression. It comprises a circular pipe throttling piece (6), two pressure pipes (3) adapted to communicate with a differential pressure transmitter (1). The two pressure pipes (3) are installed above or in lateral superior to two sides of the circular pipe throttling piece (6). The lower part of the pressure pipe is Y-type pipe is provided with a valve (34), and the axis of Y-type pipe is arranged vertically to that of the circular pipe during installation. The upper part of the pressure pipe is provided with pipe plug (31) and condenser (8). The utility model has advantages of no risk of blockage, convenient cleaning and maintenance, good durability, and high measurement accuracy. It is particularly suitable for the flow rate measurement of fluids (including liquid, vapor and gas) in circular pipe.
Description
Technical field
The utility model belongs to applicating fluid and shrinks the differential pressure of generation and the device technique field that electrical effect is measured flow, specifically is a kind of integrated restriction device.
Background technology
The orifice plate restriction flowmeter that uses at present on the existing home market, the subject matter of existence has: 1, unreasonable structure, the pressure pipeline easily stops up, and maintenance difficult; When 2, equalizing valve damages, can not be under not shut-down situation, the calibrating and the flowmeter that carry out the on-line metering system can not carry out on-line maintenance and online replacing; 3, during orifice plate ring casing hole plug, can not carry out on-line maintenance (with instrument penetrating and purge); 4, do not consider the cleaning problem of dirty gas medium measurement pipeline; 5, the area of condenser is less, causes unidirectional condenser unbalance easily.
Summary of the invention
The purpose of this utility model provides a kind of anti-blocking orifice-plate flowmeter, and it has difficult obstruction, easy to clean, durable, convenient for maintaining, characteristics that usability is good.Be particularly suitable for being full of the flow measurement of liquid, steam, coal gas or other gases in the round pipe.
Main technical schemes of the present utility model is: a kind of integrated restriction device, two two connecting pipes that can be connected that comprise round pipe throttling element and both sides thereof with differential pressure transmitter, it is characterized in that two connecting pipes are contained in the top or the side top of round pipe throttling element both sides, the bottom of two connecting pipes is the branch pipe type structure, the axis of this breeches pipe and the intersect vertical axis of round pipe are installed, this breeches pipe is provided with valve, the upper end of this breeches pipe is provided with pipe plug, with anti-blocking, easy cleaning, mediation, maintenance.
Above-mentioned breeches pipe is good with straight pipe type, and swan-neck is also available.Above-mentioned valve is good with ball valve, also can be stopcock etc., and is easy to use.
Repair for the dismounting of being more convenient for, two above-mentioned connecting pipes are provided with removable loose joint structure.
The removable loose joint structure of above-mentioned connecting pipe the best is: a pipe is established the shoulder type mouth of pipe, another pipe is established threaded end (TE), and the centre is provided with packing washer, and silk braid is fastening to be constituted by tightening up.Also can be other removable loose joint structures.Use, clear up, keep in repair with convenient.
Above-mentioned round pipe throttling element and round pipe pressure ring are that integral type is good, and be correct to guarantee the installation site.
Can connect two condensers on two above-mentioned connecting pipes, two condensers are bitubular enclosure-type arranged side by side, two connecting pipes enter to same liquid level from tube bottom, and two top two of can link to each other with differential pressure transmitter lead blow-off pipe and enter to the liquid from tube top.
Two above-mentioned condensers, single volume is being good greater than 1 cubic decimeter.
Two above-mentioned condensers are good for the one cellular-type.Can be provided with the enclosure-type water injection valve on the condenser.
The top of above-mentioned two two connecting pipes that can be connected with differential pressure transmitter can be provided with T-valve.
The utility model has the advantages that: 1, anti-block apparatus designs, and efficiently solves the pressure pipe plug plug problem of flowmeter, is difficult for stopping up, easy to clean, durable, long service life, simple in structure, convenient for maintaining, usability is good, but the dirt of Hand scarf pressure port and pipeline intersection; 2, detachable stainless steel ball valve design can be under not shut-down situation, onlinely carries out the calibrating of metering system and the online replacing of flowmeter; 3, the surface stainless steel peculiar mounting means design of joint that is tightly connected, the maintenance of very convenient flowmeter; 4, the interleaving techniques of pipeline can guarantee in the differential pressure transmitter it is liquid forever about in the drainer, and differential pressure signal is relatively stable, efficiently solves the spacer pad problem of the balance tank and the steam of flowmeter; 5, adopt the independent boring ways of measure pressure of standard, the pressure port axis is vertical with conduit axis, with the orifice plate end face angle of cut be 0, can not have any dynamic pressure error; 6, the volume of condenser is bigger, and structure is provided with rationally, can liquid level not fluctuated because of the variation rapidly of differential pressure and cause static pressure error, and measured value is accurate; 7, because the differential pressure transporting actuator temperature that can not make rational in infrastructure is too high, under normal operating position, condenser and differential pressure transmitter need not antifreeze processing; 8, condenser can be torn open imperially with top, can remove dirt in the condenser from the water injection valve of condenser; In case 9 condensers, differential pressure transmitter partly break down, and close stainless steel ball valve, handling failure arbitrarily; 10, install and use and safeguard very convenient, the technician with general instrument knowledge can instruct the installation of flowmeter.11, purposes is wide, is particularly suitable for being full of the flow measurement of liquid, steam, coal gas or other gases in the round pipe.
Be described further below in conjunction with embodiment, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Fig. 3 is a kind of removable loose joint structural representation of the connecting pipe in embodiment 1 or 2.
Fig. 4 is that a kind of connecting pipe is intersection syndeton synoptic diagram.
Among Fig. 1, Fig. 2, Fig. 3, Fig. 4,1 is differential pressure transmitter, 2 is T-valve, and 3 is connecting pipe (two), and 31 is pipe plug, 32 is the bifurcated straight tube, 33 is removable loose joint structure, and 34 is detachable stainless steel ball valve, and 4 is segmental orifice plate, 5 are the pressure ring, 6 is flow-through orifice, and 7 is last connecting pipe, and 8 is condenser, 81 is the enclosure-type water injection valve, 82 by with the identical liquid coolant of survey medium be good, 9 for tightening up silk braid, 10 is the pipe shoulder type mouth of pipe on the connecting pipe, 11 is packing washer, and 12 is the pipe thread mouth of pipe under the connecting pipe.
Embodiment
Referring to Fig. 1, two connecting pipes 3 are contained in the top of round pipe throttling element segmental orifice plate 4 both sides, and two connecting pipes 3 are that run-in index installs, on can connect from differential pressure transmitter 1.Be mainly used in the measurement of visceral-qi bodies such as general gas, coal gas.Pipe diameter D
N(mm): 50-3000.Pressure medium scope (MPa): 2.5-10.Range ratio is 10: 1.
Referring to Fig. 2, two connecting pipes 3 are installed for run-in index, condenser 8 is a bitubular enclosure-type arranged side by side, below two even under the pilot of round pipes pipe 3 enter to same liquid level from tube bottom, above two even on the pilot of pressure transmitters 1 pipe 7 enter to the liquid from tube top, round pipe throttling element 6 is an orifice plate.The volume of single condenser is 1.5 cubic decimeters.Be used for the measurement of steam.
The throttling element part is the same with the conventional throttle part with ways of measure pressure to be 90 ° of standard pressure ports.The fluid that the is full of pipeline restriction device in the pipeline of flowing through, a fluid stream will form local contraction at the throttling element place, thereby flow velocity is increased, and static pressure reduces, so it is poor to have produced static pressure before and after throttling element.Flow rate of fluid is bigger, the differential pressure that produces before and after throttling element is also bigger, so flow size that can be when measuring differential pressure and weigh fluid and flow through restriction device, this measuring method is based on law of conservation of energy and mobile continuity equation (same prior art).
Technical parameter: pipe diameter D
N(mm): 50,65,80,100,125,150,175,200,225,250,275,300,325,350,375,400; Throttling element (orifice plate or nozzle); Material: 1Cr18Ni9Ti; Medium kind: liquid, gas, steam; Pressure medium scope (MPa P): 2.5,4.0,6.4,10; Flange (downhand welding or butt welding) and straight length material: 20#, 20G, 1Cr18Ni9Ti, 15CrMo, 10CrMo910,12Cr1MoV etc.; Design, calculating, processing meet international standard ISO5167-1 (1991) and standard GB/T2624-93 " flow measurement differential pressure producer is full of the fluid flow of pipe with orifice plate, nozzle and Venturi measuring " fully.Integrated orifice plate dispatches from the factory preceding through 1.5 times of working pressure withstand voltage tests.Each web member can not leak.Installation requirement: the installation requirement of integrated restriction device is consistent with the installation requirement of general restriction device.Notice in the installation that main points are: note the installation direction of orifice plate, make orifice plate front (orifice plate perforate d
20Acute angle one side) alignment medium come to, and guarantee that the orifice plate axis is coaxial with pipeline.Under the situation with straight length not, installation steps require as follows: two ends joint flange and integrated orifice plate fastening good (comprising its Intermediate gasket).After two ends pipeline insertion flange endoporus is adjusted, the junction of spot welding pipeline and flange.After two end flanges and the pipeline positioning integrated orifice plate is driven, again welding flange and pipeline.Integrated orifice plate is installed spacer ring, then to the pipeline cleaning pipeline purging.Can not the perforated plate pipeline purging, in case mixed and disorderly substances in pipe breaks orifice plate.Imperial lower isolating ring integrated orifice plate of packing into.In condenser, pour into cold water, just can come into operation.At the initial stage of putting into operation, get rid of residual air from differential pressure transmitter.Regularly dredge the crystallization and the dirt at pressure port place in the use according to the height of concentration of medium, guarantee the unimpeded of differential pressure signal by anti-block apparatus.
Referring to Fig. 3, this structural repair maintenance is very convenient.
Referring to Fig. 4, two connecting pipes 3 are positioned at top, round pipe throttling element both sides, and the submission angled type is installed.
Above-mentioned throttling element can comprise segmental orifice plate formula, orifice-plate type, nozzle-type, venturi type throttling element etc.
Claims (10)
1, a kind of integrated restriction device, two two connecting pipes (3) that can be connected that comprise round pipe throttling element (4,6) and both sides thereof with differential pressure transmitter (1), it is characterized in that two connecting pipes (3) are contained in the top or the side top of round pipe throttling element (4,6) both sides, the bottom of two connecting pipes is branch pipe type structure (32), the axis of this breeches pipe (32) and the intersect vertical axis of round pipe are installed, this breeches pipe (32) is provided with valve (34), and the upper end of this breeches pipe (32) is provided with pipe plug (31).
2, integrated restriction device according to claim 1 is characterized in that described breeches pipe (32) is a straight pipe type.
3, integrated restriction device according to claim 1 is characterized in that two connecting pipes are provided with removable loose joint structure (33).
4, integrated restriction device according to claim 3, it is characterized in that the removable loose joint structure of described connecting pipe is: a pipe is established the shoulder type mouth of pipe (10), another pipe is established threaded end (TE) (12), the centre is provided with packing washer (11), by tightening up the fastening formation of silk braid (9).
5, integrated restriction device according to claim 1 is characterized in that described valve (34) is a ball valve.
6, integrated restriction device according to claim 1 is characterized in that round pipe throttling element (4,6) and round pipe pressure ring (5) are integral type.
7, according to claim 1,2,3,4,5 or 6 described integrated restriction devices, it is characterized in that connecting two condensers (8) on described two connecting pipes, two condensers (8) are bitubular enclosure-type arranged side by side, two connecting pipes (3) enter to same liquid level from tube bottom, and two top two of can link to each other with differential pressure transmitter (1) lead blow-off pipe (7) and enter to the liquid from tube top.
8, integrated restriction device according to claim 7, the single volume that it is characterized in that described condenser (8) is greater than 1 cubic decimeter.
9, integrated restriction device according to claim 8 is characterized in that described two condensers (8) are the one cellular-type.
10, integrated restriction device according to claim 9 is characterized in that the top of two two connecting pipes (3,7) that can be connected with differential pressure transmitter (1) is provided with T-valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023538 CN2867304Y (en) | 2006-02-17 | 2006-02-17 | Integrated throttling gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023538 CN2867304Y (en) | 2006-02-17 | 2006-02-17 | Integrated throttling gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2867304Y true CN2867304Y (en) | 2007-02-07 |
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ID=37703010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620023538 Expired - Fee Related CN2867304Y (en) | 2006-02-17 | 2006-02-17 | Integrated throttling gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2867304Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931103A (en) * | 2015-06-26 | 2015-09-23 | 国家电网公司 | Differential pressure transmitter high-low pressure side conversion device |
| CN105181039A (en) * | 2015-08-07 | 2015-12-23 | 成都国光电子仪表有限责任公司 | Throttling device applicable to condensate natural gas pipeline |
| CN108709595A (en) * | 2018-08-07 | 2018-10-26 | 江阴市神州测控设备有限公司 | A kind of general-purpose type is intelligently fertile can bar flowmeter |
| CN110332963A (en) * | 2014-10-08 | 2019-10-15 | 迪特里奇标准公司 | Integrated hole board group part |
| CN110578846A (en) * | 2018-06-11 | 2019-12-17 | 上海孚凌自动化控制系统有限公司 | Gas distributor |
-
2006
- 2006-02-17 CN CN 200620023538 patent/CN2867304Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332963A (en) * | 2014-10-08 | 2019-10-15 | 迪特里奇标准公司 | Integrated hole board group part |
| CN110332963B (en) * | 2014-10-08 | 2020-12-11 | 迪特里奇标准公司 | Integrated orifice plate assembly |
| CN104931103A (en) * | 2015-06-26 | 2015-09-23 | 国家电网公司 | Differential pressure transmitter high-low pressure side conversion device |
| CN105181039A (en) * | 2015-08-07 | 2015-12-23 | 成都国光电子仪表有限责任公司 | Throttling device applicable to condensate natural gas pipeline |
| CN110578846A (en) * | 2018-06-11 | 2019-12-17 | 上海孚凌自动化控制系统有限公司 | Gas distributor |
| CN108709595A (en) * | 2018-08-07 | 2018-10-26 | 江阴市神州测控设备有限公司 | A kind of general-purpose type is intelligently fertile can bar flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 Termination date: 20130217 |