CN104101390A - Flow measuring device for measuring sewage in non-full pipe - Google Patents
Flow measuring device for measuring sewage in non-full pipe Download PDFInfo
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- CN104101390A CN104101390A CN201410386067.3A CN201410386067A CN104101390A CN 104101390 A CN104101390 A CN 104101390A CN 201410386067 A CN201410386067 A CN 201410386067A CN 104101390 A CN104101390 A CN 104101390A
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- Prior art keywords
- flow
- differential pressure
- sewage
- static
- pressure
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- 239000010865 sewage Substances 0.000 title claims abstract description 40
- 230000003068 static effect Effects 0.000 claims abstract description 59
- 238000005259 measurement Methods 0.000 claims description 26
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000008021 deposition Effects 0.000 abstract 2
- 239000012530 fluid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a flow measuring device for measuring sewage in a non-full pipe. The flow measuring device is provided with a pitot flow meter, a first differential pressure transmitter and a flow totalizer, wherein the pitot flow meter is provided with a pressure guide pipe. The pressure guide pipe comprises a full-pressure pipe and a static pressure pipe, wherein the full-pressure pipe is communicated with a tee-joint connector, the static pressure pipe is connected with a four-way connector, the full-pressure pipe and the static pressure pipe are respectively connected with the input end of the first differential pressure transmitter through the tee-joint connector and the four-way connector, and the tee-joint connector and the four-way connector are further respectively connected with a full-pressure deposition tank and a static pressure deposition tank through screw thread ball valves. The flow measuring device further comprises a second differential pressure transmitter, wherein the static pressure pipe is connected with the input end of the second differential pressure transmitter through a four-way connector, the input end of the second differential pressure transmitter is further connected with a pipeline top wall pressure guide pipe, and the signal output end of the second differential pressure transmitter is connected with the signal input end of the flow totalizer. When the flow measuring device is used for measuring sewage flows, the full-pressure pipe and the static pressure pipe are not blocked by impurities in the sewage, and a sewage flow result of the measured non-full pipe is accurate.
Description
Technical field
The present invention relates to the flow measurement device of sewage in a kind of measuring channel, specifically relate to a kind of sewage of measuring and be not full of under pipeline conditions the not flow measurement device of full packages sewage of measurement of the discharge of sewage in pipeline.
Background technology
In the bi toba flow meter structure that measuring channel inner fluid flow adopts at present, mainly comprise bi toba flow sensor, differential pressure transmitter and flow integrator, bi toba flow sensor has connecting pipe and pressure head, connecting pipe comprises ram-air pipe and static tube, the top of pressure head has pitot hole and baroport, the hypomere of pressure head is cylindricality joint, described pitot hole is communicated with described ram-air pipe by total head passage, baroport is communicated with described static tube by static pressure passage, described ram-air pipe is connected with the input end of described the first differential pressure transmitter with static tube, the signal output part of the first differential pressure transmitter is connected with the signal input part of described flow integrator, pipeline inner fluid flow when the bi toba flow meter of said structure is only applicable to measure fluid and is full of pipeline, when the fluid in pipeline only occupies the part of pipeline, at the not next flow that cannot Measurement accuracy pipeline inner fluid of the state of full packages of fluid, in addition when in pipeline circulation be impure more sewage time, while stating in the use the bi toba flow meter measuring channel discharge of sewage of structure, impurity in sewage can stop up pitot hole and baroport and ram-air pipe and the static tube of pressure head, be directed to measure and lost efficacy, the bi toba flow meter of said structure cannot Measurement accuracy pipeline in the flow of sewage.
Summary of the invention
The medium that the technical problem to be solved in the present invention is to provide circulation in a kind of Measurement accuracy pipeline is simultaneously the not flow measurement device of full packages sewage of measurement that sewage and sewage are not full of whole pipeline.
For solving the problems of the technologies described above, the not flow measurement device of full packages sewage of a kind of measurement of the present invention, there is bi toba flow meter, this bi toba flow meter comprises bi toba flow sensor, the first differential pressure transmitter and flow integrator, described bi toba flow sensor has connecting pipe and pressure head, connecting pipe comprises ram-air pipe and static tube, the top of pressure head has pitot hole and baroport, the hypomere of pressure head is cylindricality joint, described pitot hole is communicated with described ram-air pipe by total head passage, baroport is communicated with described static tube by static pressure passage, described ram-air pipe is connected with the input end of described the first differential pressure transmitter with static tube, the signal output part of the first differential pressure transmitter is connected with the signal input part of described flow integrator, described ram-air pipe is connected with three-way connection, described static tube is connected with four-way connection, ram-air pipe is connected with the input end of described the first differential pressure transmitter with four-way connection by three-way connection respectively with static tube, described three-way connection and four-way connection are also connected with total head sedimentary deposit tank and static pressure sedimentary deposit tank by screw thread ball valve respectively, blowoff valve is equipped with respectively in the bottom of total head sedimentary deposit tank and static pressure sedimentary deposit tank, also comprise the second differential pressure transmitter for sewage level in measuring channel, described static tube is connected with the input end of the second differential pressure transmitter by four-way connection, the input end of the second differential pressure transmitter is also connected with for being arranged on the pipeline roof pressure connecting pipe on pipeline roof, and the signal output part of the second differential pressure transmitter is connected with the signal input part of described flow integrator.
Adopt the not flow measurement device of full packages sewage of measurement of said structure, in measuring channel not when the full packages discharge of sewage, first bi toba flow sensor is inserted and is installed in pipeline by the diapire of pipeline, make the pressure head of bi toba flow sensor roughly be positioned at the center of pipeline, then pipeline roof pressure connecting pipe be arranged on pipeline directly on roof, because described three-way connection and four-way connection are also connected with total head sedimentary deposit tank and static pressure sedimentary deposit tank by screw thread ball valve respectively, blowoff valve is equipped with respectively in the bottom of total head sedimentary deposit tank and static pressure sedimentary deposit tank, therefore the impurity in sewage can deposit to respectively total head sedimentary deposit tank and static pressure sedimentary deposit tank, regularly by blowoff valve, impurity is emitted again, so can not stop up the pitot hole of bi toba flow sensor, baroport and ram-air pipe and and static tube, the flow velocity of sewage in can Measurement accuracy pipeline, again because the present invention also comprises the second differential pressure transmitter for sewage level in measuring channel, described static tube is connected with the input end of the second differential pressure transmitter by four-way connection, the input end of the second differential pressure transmitter is also connected with for being arranged on the pipeline roof pressure connecting pipe on pipeline roof, the signal output part of the second differential pressure transmitter is connected with the signal input part of described flow integrator, therefore can accurately measure the liquid level of sewage in pipeline, the liquid level signal of sewage in pipeline is input to flow integrator, in addition effluent flow rate signal in aforesaid pipeline is also input to flow integrator, finally can calculate exactly the not flow of the interior sewage of full packages.
As a modification of the present invention, the epimere of described pressure head is that diversion column, interlude are swelled column, swelled column has left and right two planes that are parallel to each other and former and later two arcwall faces, described pitot hole and baroport are positioned at the top of diversion column, diversion column has the left and right inclined-plane being connected with the left and right plane of swelled column, on left and right inclined-plane, there is the total head flow-guiding channel and the static pressure flow-guiding channel that extend vertically upward, the top of total head flow-guiding channel is connected with described pitot hole, and the top of static pressure flow-guiding channel is connected with described baroport.
The pressure-taking head of Pitot Pa flow sensor of said structure is in the time being loaded in pipeline, make the left side on diversion column, right tilted surface is the carrying out flow path direction and remove flow path direction of sewage in corresponding pipeline respectively, sewage in pipeline enters by pitot hole and baroport will first flow through before ram-air pipe and static tube total head flow-guiding channel and static pressure flow-guiding channel, because the set-up mode of total head flow-guiding channel and static pressure flow-guiding channel is to extend vertically upward, therefore sewage in uphill process the impurity in sewage because Action of Gravity Field can produce downward trend, be that most of impurity in sewage can settle down, can not enter into ram-air pipe and static tube by pitot hole and baroport, and then can greatly extend the blowing period of total head sedimentary deposit tank and static pressure sedimentary deposit tank, can further improve service efficiency of the present invention, alleviate the labour intensity of operation element.
As another kind of improvement of the present invention, screw thread ball valve is also housed respectively on described ram-air pipe and static tube.On ram-air pipe and static tube, installing after screw thread ball valve can three-way connection for convenience detach, four-way connection and total head sedimentary deposit tank and static pressure sedimentary deposit tank, facilitates the parts for maintenance in the present invention.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the not main TV structure schematic diagram of the flow measurement device of full packages sewage of a kind of measurement of the present invention, the state when there is shown the present invention and being contained on pipeline.
Fig. 2 is the side-looking structural representation of Fig. 1, has omitted flow integrator and first, second differential pressure transmitter in this figure, and pipeline roof pressure connecting pipe only shows a part.
Fig. 3 is the not main sectional structure schematic diagram of the pressure head in bi toba flow sensor in the flow measurement device of full packages sewage of a kind of measurement of the present invention.
Fig. 4 is the side-looking structural representation of Fig. 3.
Fig. 5 be Fig. 3 overlook structure for amplifying schematic diagram.
Fig. 6 be Fig. 3 look up structure for amplifying schematic diagram.
Embodiment
Referring to Fig. 1-Fig. 6, the not flow measurement device of full packages sewage of a kind of measurement of the present invention, there is bi toba flow meter, this bi toba flow meter comprises bi toba flow sensor 100, the first differential pressure transmitter 200 and flow integrator 300, described bi toba flow sensor 100 has connecting pipe 110 and pressure 120, connecting pipe 110 comprises ram-air pipe 111 and static tube 112, the top of pressure 120 has pitot hole 121 and baroport 122, the hypomere of pressure 120 is cylindricality joint 10, described pitot hole 121 is communicated with described ram-air pipe 111 by total head passage, baroport 122 is communicated with described static tube 112 by static pressure passage, described ram-air pipe 111 is connected with the input end of described the first differential pressure transmitter 200 with static tube 112, the signal output part of the first differential pressure transmitter 200 is connected with the signal input part of described flow integrator 300, described ram-air pipe 111 is connected with three-way connection 113, described static tube 112 is connected with four-way connection 114, ram-air pipe 111 is connected with the input end of described the first differential pressure transmitter 200 with four-way connection 114 by three-way connection 113 respectively with static tube 112, described three-way connection 113 and four-way connection 114 are also respectively by screw thread ball valve 115, 116 are connected with total head sedimentary deposit tank 130 and static pressure sedimentary deposit tank 140, blowoff valve 131 is equipped with respectively in the bottom of total head sedimentary deposit tank 130 and static pressure sedimentary deposit tank 140, 141, also comprise the second differential pressure transmitter 400 for sewage level in measuring channel, described static tube 112 is connected with the input end of the second differential pressure transmitter 400 by four-way connection 114, the signal output part that the input end of the second differential pressure transmitter 400 is also connected with for being arranged on pipeline roof pressure connecting pipe 410, the second differential pressure transmitters 400 on pipeline roof is connected with the signal input part of described flow integrator 300.The epimere of described pressure 120 is diversion column 20, interlude is swelled column 30, swelled column 30 has a left side, right two planes that are parallel to each other 31, 32 and front, latter two arcwall face 33, 34, described pitot hole 121 and baroport 122 are positioned at the top of diversion column 20, diversion column 20 has and swelled column 30 left sides, right plane 31, 32 connected left sides, right tilted surface 21, 22, left, right tilted surface 21, on 22, there is the total head flow-guiding channel 23 and the static pressure flow-guiding channel 24 that extend vertically upward, the top of total head flow-guiding channel 23 is connected with described pitot hole 121, the top of static pressure flow-guiding channel 24 is connected with described baroport 122.Screw thread ball valve 117,118 is also housed respectively on described ram-air pipe 111 and static tube 112.
Claims (3)
1. measure the not flow measurement device of full packages sewage for one kind, there is bi toba flow meter, this bi toba flow meter comprises bi toba flow sensor, the first differential pressure transmitter and flow integrator, described bi toba flow sensor has connecting pipe and pressure head, connecting pipe comprises ram-air pipe and static tube, the top of pressure head has pitot hole and baroport, the hypomere of pressure head is cylindricality joint, described pitot hole is communicated with described ram-air pipe by total head passage, baroport is communicated with described static tube by static pressure passage, described ram-air pipe is connected with the input end of described the first differential pressure transmitter with static tube, the signal output part of the first differential pressure transmitter is connected with the signal input part of described flow integrator, it is characterized in that: described ram-air pipe is connected with three-way connection, described static tube is connected with four-way connection, ram-air pipe is connected with the input end of described the first differential pressure transmitter with four-way connection by three-way connection respectively with static tube, described three-way connection and four-way connection are also connected with total head sedimentary deposit tank and static pressure sedimentary deposit tank by screw thread ball valve respectively, blowoff valve is equipped with respectively in the bottom of total head sedimentary deposit tank and static pressure sedimentary deposit tank, also comprise the second differential pressure transmitter for sewage level in measuring channel, described static tube is connected with the input end of the second differential pressure transmitter by four-way connection, the input end of the second differential pressure transmitter is also connected with for being arranged on the pipeline roof pressure connecting pipe on pipeline roof, and the signal output part of the second differential pressure transmitter is connected with the signal input part of described flow integrator.
2. according to the not flow measurement device of full packages sewage of measurement claimed in claim 1, it is characterized in that: the epimere of described pressure head is diversion column, interlude is swelled column, swelled column has a left side, right two planes that are parallel to each other and front, latter two arcwall face, described pitot hole and baroport are positioned at the top of diversion column, diversion column has and a swelled column left side, the left side that right plane is connected, right tilted surface, left, on right tilted surface, there is the total head flow-guiding channel and the static pressure flow-guiding channel that extend vertically upward, the top of total head flow-guiding channel is connected with described pitot hole, the top of static pressure flow-guiding channel is connected with described baroport.
3. according to the not flow measurement device of full packages sewage of the measurement described in claim 1 or 2, it is characterized in that: screw thread ball valve is also housed respectively on described ram-air pipe and static tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386067.3A CN104101390B (en) | 2014-08-07 | 2014-08-07 | Flow measuring device for measuring sewage in non-full pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386067.3A CN104101390B (en) | 2014-08-07 | 2014-08-07 | Flow measuring device for measuring sewage in non-full pipe |
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| Publication Number | Publication Date |
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| CN104101390A true CN104101390A (en) | 2014-10-15 |
| CN104101390B CN104101390B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410386067.3A Active CN104101390B (en) | 2014-08-07 | 2014-08-07 | Flow measuring device for measuring sewage in non-full pipe |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540229A (en) * | 2018-12-13 | 2019-03-29 | 上海权宥环保科技有限公司 | Phase unsteady flow saturated steam flowing meter |
| CN111157071A (en) * | 2020-01-17 | 2020-05-15 | 北京市天茏利华科技有限责任公司 | Split type flow monitoring instrument |
| CN111198015A (en) * | 2018-11-19 | 2020-05-26 | 中冶宝钢技术服务有限公司 | Pipeline gas flow measuring device |
| CN112284465A (en) * | 2020-11-04 | 2021-01-29 | 海南毕托巴科技研究院有限公司 | Natural gas flow measuring device for water-containing natural gas transmission pipeline |
| CN112302597A (en) * | 2020-11-04 | 2021-02-02 | 海南毕托巴科技研究院有限公司 | Wet steam metering device |
| CN114199324A (en) * | 2022-01-10 | 2022-03-18 | 辽宁毕托巴科技股份有限公司 | Automatic sealing flow sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111198015A (en) * | 2018-11-19 | 2020-05-26 | 中冶宝钢技术服务有限公司 | Pipeline gas flow measuring device |
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| CN112284465A (en) * | 2020-11-04 | 2021-01-29 | 海南毕托巴科技研究院有限公司 | Natural gas flow measuring device for water-containing natural gas transmission pipeline |
| CN112302597A (en) * | 2020-11-04 | 2021-02-02 | 海南毕托巴科技研究院有限公司 | Wet steam metering device |
| CN112284465B (en) * | 2020-11-04 | 2024-03-15 | 海南毕托巴科技研究院有限公司 | Natural gas flow measuring device for water-containing natural gas transmission pipeline |
| CN114199324A (en) * | 2022-01-10 | 2022-03-18 | 辽宁毕托巴科技股份有限公司 | Automatic sealing flow sensor |
| CN114199324B (en) * | 2022-01-10 | 2024-05-24 | 毕托巴科技股份有限公司 | Automatic sealing flow sensor |
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| CN104101390B (en) | 2017-05-24 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 112600 Leng Dong Street, Tieling Economic Development Zone, Tieling, Liaoning Province, No. 265 Patentee after: Liaoning pitotbar Polytron Technologies Inc. Address before: 112600 Tieling City, Liaoning province Tieling Economic Development Zone Branch of Liaoning Maoshan pitotbar Technology Co. Ltd. Patentee before: Liaoning Bitobar Technologies Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 265 Lingdong Street, Tieling Economic Development Zone, Tieling City, Liaoning Province, 112366 Patentee after: Liaoning Bitobar Technology Co.,Ltd. Address before: 112600 No. 265, Ling Dong Street, Tieling Economic Development Zone, Tieling, Liaoning Patentee before: Liaoning pitotbar Polytron Technologies Inc. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A flow measurement device for measuring sewage in pipelines Effective date of registration: 20231228 Granted publication date: 20170524 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: Liaoning Bitobar Technology Co.,Ltd. Registration number: Y2023210000358 |