CN205561938U - Many measurement stations flow measuring device - Google Patents
Many measurement stations flow measuring device Download PDFInfo
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- CN205561938U CN205561938U CN201620287951.6U CN201620287951U CN205561938U CN 205561938 U CN205561938 U CN 205561938U CN 201620287951 U CN201620287951 U CN 201620287951U CN 205561938 U CN205561938 U CN 205561938U
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Abstract
The utility model discloses a many measurement stations flow measuring device relates to the measurement technical field of flow, including orifice plate, barrel, flange, survey buret and changer, the orifice plate is located inside the barrel, flange locates the both ends of barrel, the side of barrel is equipped with 3 pairs of sample connections, and every two sample connections to the sample connection are located the both sides of orifice plate respectively, survey buret and sample connection threaded connection, the inner end of sample connection is equipped with annular limiting plate, and survey and be equipped with filter equipment between buret and the limiting plate, survey buret passes through the connecting pipe and is connected with the changer, and 3 pairs of sample connection circumference are arranged and are distributed in the side of barrel, the utility model discloses a to liquid flow's in the pipeline multimetering, improved the accuracy of data, the great error of having avoided the spot measurement to bring, and the filter equipment that sample connection department set up can filter the impurity in the pipeline is well avoided entering into surveying and is led to the fact the jam in buret and the connecting pipe and influence measuring result.
Description
Technical field
This utility model relates to the field of measuring technique of flow, is specifically related to a kind of multi-measuring point flow measuring device.
Background technology
At present, orifice-plate flowmeter is used widely in the engineering fields such as oil, chemical industry, metallurgy, electric power.This effusion meter mainly by pressuring throttling gear, pressure pipe, three valve groups, differential pressure transmitter and be used for ask the support etc. putting and fixing three valve groups and differential pressure transmitter to form.Wherein, pressuring throttling gear can flange joining with engineering pipeline and sandwiched fixing orifice plate between the flanges be formed by a pair.All being shaped with a radial direction through hole on each flange, this through hole respectively constitutes its positive and negative pressure port；Three valve groups are made up of positive and negative pressure measuring valve, a regulation valve and the fluid passage being made up of exterior line that is arranged between each valve；Differential pressure transmitter is the signal of telecommunication that fluid pressure differential signal can be converted into simulation the chromacoder that the signal of telecommunication can flow to terminal demonstration instrument.When using installation, pressuring throttling gear passes through its flange welding between pipeline butt end, connected by pressure pipe respectively between positive and negative pressure port thereon and the fluid inlet holes of positive and negative pressure measuring valve, being connected by two exterior lines respectively between the flow outlet aperture of each pressure measuring valve and two pressure rooms of differential pressure change repeatedly device, regulation valve is connected between this exterior line into and out of hole by its fluid.
Chinese Patent Application No. is that CN201220557271.3 discloses integration orifice-plate flowmeter, this effusion meter includes the orifice plate pressure obtaning device being connected with pipeline, orifice plate pressure obtaning device is connected by the input port of pipeline and three valve groups, and the outfan of three valve groups is connected with transmitter；It is provided with temperature sensor in orifice plate pressure obtaning device.This integration orifice-plate flowmeter provides the flowmeter product of a kind of integral structure that can the most directly manufacture and facilitate implementation standardization, seriation, canalization, thus not only contribute to reduce effusion meter manufacture cost, ensure to manufacture quality, and use this product to provide conveniently for user.But this kind of effusion meter uses single-point measurement method to measure flow parameter, and certainty of measurement is poor, and uses long, pipeline easily produces blocking, inconvenience cleaning, and have impact on the accuracy of measurement.
nullChinese Patent Application No. is 201110029042.4 to disclose a kind of conical orifice plate flow meter，It includes tapered orifice plate、Pressure transmitter、Differential pressure transmitter、Temperature sensor and flow computer，Coniform hole front edge of board is provided with pressure transmitter，It is provided above differential pressure transmitter at tapered orifice plate，Tapered orifice plate rear end is provided with temperature sensor，Pressure transmitter、Differential pressure transmitter and temperature sensor are connected with flow computer by data wire，Described tapered orifice plate is orifice plate or grooved orifice plate，The front-end and back-end of tapered orifice plate or front end are that inverted cone is uncovered，The uncovered base of inverted cone matches with tapered orifice plate gateway or ingress edge，Angle [alpha] or β that inverted cone is uncovered are 30 °～160 ° or 40 °～120 °，Volume is little，Lightweight，Safe and reliable，Measure wide ranges，Certainty of measurement is high，Gas precision is up to ± 1～2%，Liquid precision is up to ± 5%，Can be widely used for the real-time measurement of the natural gas well.But this kind of effusion meter there is also the problem of certainty of measurement, and owing to being not provided with defecator, measure pipe and easily produce blocking.
Summary of the invention
The purpose of this utility model is to provide a kind of multi-measuring point flow measuring device, to solve the above-mentioned multinomial defect caused in prior art.
A kind of multi-measuring point flow measuring device, including orifice plate, cylinder, adpting flange, measurement pipe and transmitter, described orifice plate is located at inner barrel, the two ends of cylinder are located at by described adpting flange, the side of described cylinder is provided with 3 pairs of sample taps, two sample taps of every pair of sample tap lay respectively at the both sides of orifice plate, described pipe of measuring is threadeded with sample tap, the inner end of sample tap is provided with ring-type limiting plate, measure and be provided with defecator between pipe and limiting plate, described measurement pipe is connected with transmitter by connecting tube, and 3 pairs of sample tap circumferential array are distributed in the side of cylinder.
Preferably, described connecting tube is all connected by dismountable joint between pipe and transmitter with measuring.
Preferably, described defecator includes ring for fixing and filter screen body, and described ring for fixing is stepped, and described filter screen body is fixedly connected on the inner end of ring for fixing and flushes with the inwall of limiting plate.
Preferably, the outside of described cylinder is also embedded with illumination lamp bead, power supply and switch, and illumination lamp bead is connected with power supply and switch successively.
Preferably, described transmitter is specially pressure or differential pressure transmitter.
Preferably, described measurement pipe is provided with valve.
Preferably, being additionally provided with sealing ring between described adpting flange and cylinder, in 3 pairs of sample taps, the angle between adjacent two pairs of sample taps is equal.
The utility model has the advantage of: this kind of flow measurement device achieves the multimetering of fluid flow in pipeline by the multipair sample tap being arranged on cylinder lateral wall, improve the accuracy of data, avoid the bigger error that spot measurement brings, and the contaminant filter in pipeline can be fallen by defecator well that arrange at sample tap, it is to avoid result in blockage in entering into measurement pipe and connecting tube and affect measurement result.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of multi-measuring point flow measuring device described in the utility model.
Fig. 2 is the partial schematic diagram of a kind of multi-measuring point flow measuring device described in the utility model.
Fig. 3 is the sectional view in Fig. 2 along A-A direction.
Fig. 4 is the partial enlarged drawing in Fig. 3 at B.
Fig. 5 is the structural representation of defecator in a kind of multi-measuring point flow measuring device described in the utility model.
Wherein: 1 orifice plate, 2 cylinders, 3 adpting flanges, 4 measure pipe, 5 transmitters, 6 sample taps, 7 limiting plates, 8 defecators, 81 ring for fixings, 82 filter screen bodies, 9 connecting tubes, 10 joints, 11 illumination lamp bead, 12 power supplys, 13 switches, 14 valves, 15 sealing rings.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with detailed description of the invention, this utility model is expanded on further.
nullAs shown in Figures 1 to 5，A kind of multi-measuring point flow measuring device，Including orifice plate 1、Cylinder 2、Adpting flange 3、Measure pipe 4 and transmitter 5，It is internal that described orifice plate 1 is located at cylinder 2，The two ends of cylinder 2 are located at by described adpting flange 3，The side of described cylinder 2 is provided with 3 pairs of sample taps 6，Two sample taps 6 of every pair of sample tap 6 lay respectively at the both sides of orifice plate 1，Described measurement pipe 4 is threadeded with sample tap 6，The inner end of sample tap 6 is provided with ring-type limiting plate 7，Measure and be provided with defecator 8 between pipe 4 and limiting plate 7，Described defecator 8 includes ring for fixing 81 and filter screen body 82，Described ring for fixing 81 is stepped，Described filter screen body 82 is fixedly connected on the inner end of ring for fixing 81 and flushes with the inwall of limiting plate 7，This kind of structure is used to be mainly designed to facilitate impurity to slip down along the surface of filter screen body 8，Foreign material are avoided to be blocked in the porch of filter screen body 8，Described measurement pipe 4 is connected with transmitter 5 by connecting tube 9，Described transmitter 5 is specially pressure or differential pressure transmitter，3 pairs of sample tap 6 circumferential array are distributed in the side of cylinder 2，This kind of flow measurement device is achieved the multimetering of fluid flow in pipeline by the multipair sample tap 6 being arranged on cylinder 2 sidewall，Improve the accuracy of data，Avoid the bigger error that spot measurement brings，And the contaminant filter in pipeline can be fallen by defecator 8 well that arrange at sample tap 6，Result in blockage in avoiding enter into measurement pipe 4 and connecting tube 9 and affect measurement result.
It should be noted that described connecting tube 9 and be all connected by dismountable joint 10 between pipe 4 and transmitter with measuring that convenient disassembly improves maintenance efficiency.
In the present embodiment, the outside of described cylinder 2 is also embedded with illumination lamp bead 11, power supply 12 and switch 13, illumination lamp bead 11 is connected with power supply 12 and switch 13 successively, generally, laying ground all ratios of pipeline are dark, by arrange illumination lamp bead 11 can facilitate maintenance time carry out floor light, such people are no need for carrying extra illuminator again, reduce labor intensity.
In the present embodiment, described measurement pipe 4 is provided with valve 14, can open and close as required, it is additionally provided with sealing ring 15 between described adpting flange 3 and cylinder 2, improve the sealing that adpting flange 3 is connected with cylinder 2, in 3 pairs of sample taps 6, the angle between adjacent two pairs of sample taps 6 is equal, by the sample tap 6 being uniformly arranged, improves the accuracy of measurement data.
Based on above-mentioned, this utility model achieves the multimetering of fluid flow in pipeline by the multipair sample tap 6 being arranged on cylinder 2 sidewall, improve the accuracy of data, avoid the bigger error that spot measurement brings, and the contaminant filter in pipeline can be fallen by defecator 8 well that arrange at sample tap 6, it is to avoid result in blockage in entering into measurement pipe 4 and connecting tube 9 and affect measurement result.
As known by the technical knowledge, this utility model can be realized by the embodiment of other essence without departing from its spirit or essential feature.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.All all it is included in the utility model in the range of this utility model or being equal to the change in the range of this utility model.
Claims (7)
1. a multi-measuring point flow measuring device, it is characterized in that, including orifice plate, cylinder, adpting flange, measure pipe and transmitter, described orifice plate is located at inner barrel, the two ends of cylinder are located at by described adpting flange, the side of described cylinder is provided with 3 pairs of sample taps, two sample taps of every pair of sample tap lay respectively at the both sides of orifice plate, described pipe of measuring is threadeded with sample tap, the inner end of sample tap is provided with ring-type limiting plate, measure and be provided with defecator between pipe and limiting plate, described measurement pipe is connected with transmitter by connecting tube, 3 pairs of sample tap circumferential array are distributed in the side of cylinder.
A kind of multi-measuring point flow measuring device the most according to claim 1, it is characterised in that: described connecting tube is all connected by dismountable joint between pipe and transmitter with measuring.
A kind of multi-measuring point flow measuring device the most according to claim 2, it is characterized in that: described defecator includes ring for fixing and filter screen body, described ring for fixing is stepped, and described filter screen body is fixedly connected on the inner end of ring for fixing and flushes with the inwall of limiting plate.
A kind of multi-measuring point flow measuring device the most according to claim 1, it is characterised in that: the outside of described cylinder is also embedded with illumination lamp bead, power supply and switch, and illumination lamp bead is connected with power supply and switch successively.
A kind of multi-measuring point flow measuring device the most according to claim 4, it is characterised in that: described transmitter is specially pressure or differential pressure transmitter.
Multi-measuring point flow measuring device the most according to any one of claim 1 to 5, it is characterised in that: described measurement pipe is provided with valve.
A kind of multi-measuring point flow measuring device the most according to claim 6, it is characterised in that: being additionally provided with sealing ring between described adpting flange and cylinder, in 3 pairs of sample taps, the angle between adjacent two pairs of sample taps is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620287951.6U CN205561938U (en) | 2016-04-08 | 2016-04-08 | Many measurement stations flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620287951.6U CN205561938U (en) | 2016-04-08 | 2016-04-08 | Many measurement stations flow measuring device |
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| CN205561938U true CN205561938U (en) | 2016-09-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698879A (en) * | 2016-04-08 | 2016-06-22 | 大唐彬长发电有限责任公司 | Multi-measuring point flow measurement device |
| CN110954233A (en) * | 2019-12-12 | 2020-04-03 | 无锡威孚力达催化净化器有限责任公司 | Be applied to exhaust aftertreatment packaging unit temperature field measuring device |
| CN111422498A (en) * | 2020-04-16 | 2020-07-17 | 高广利 | Thermal insulation bag applied to refrigeration transportation and preparation method thereof |
-
2016
- 2016-04-08 CN CN201620287951.6U patent/CN205561938U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698879A (en) * | 2016-04-08 | 2016-06-22 | 大唐彬长发电有限责任公司 | Multi-measuring point flow measurement device |
| CN110954233A (en) * | 2019-12-12 | 2020-04-03 | 无锡威孚力达催化净化器有限责任公司 | Be applied to exhaust aftertreatment packaging unit temperature field measuring device |
| CN111422498A (en) * | 2020-04-16 | 2020-07-17 | 高广利 | Thermal insulation bag applied to refrigeration transportation and preparation method thereof |
| CN111422498B (en) * | 2020-04-16 | 2022-09-16 | 浩添(厦门)储能股份有限公司 | Thermal insulation bag applied to refrigeration transportation and preparation method thereof |
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