CN215410309U - Straight-through ball valve group - Google Patents
Straight-through ball valve group Download PDFInfo
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- CN215410309U CN215410309U CN202121734081.XU CN202121734081U CN215410309U CN 215410309 U CN215410309 U CN 215410309U CN 202121734081 U CN202121734081 U CN 202121734081U CN 215410309 U CN215410309 U CN 215410309U
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- ball valve
- negative pressure
- valve
- straight
- flow direction
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- 238000005259 measurement Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a straight-through ball valve group, which comprises a positive pressure ball valve, a differential pressure instrument and a negative pressure ball valve which are sequentially connected in series through an external pipeline, wherein a balance ball valve is arranged beside the differential pressure instrument in parallel communication, media in the positive pressure ball valve and the negative pressure ball valve flow in parallel and are perpendicular to the media flow direction of the balance ball valve, and two ends of the balance ball valve are communicated with pipelines where the positive pressure ball valve and the negative pressure ball valve are located through a three-way valve.
Description
Technical Field
The utility model relates to the technical field of automatic instrument measurement, in particular to a straight-through ball valve group.
Background
In the differential pressure type gas measurement flow, a three-valve group or a five-valve group which is configured in a standard way is arranged to realize the start and stop of an on-site instrument and the maintenance and verification work, and the valve structure of the valve group is a needle valve, so that the problems of blockage, freezing, pollutant retention, large piezoresistive loss and the like are very easy to occur in dirty gas flow measurement and the measurement of gas-liquid two-phase flow such as compressed air, steam and the like, the valve is difficult to dredge, the normal measurement is influenced, the maintenance workload is very large, and the valve cannot be timely processed and the production is influenced due to the limitation of process, safety, technical conditions and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a straight-through ball valve group, which is a ball valve connected through a pipeline, can be flexibly adjusted according to the field condition, is not easy to block, ensures continuous production, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a straight-through ball valves, includes and concatenates malleation ball valve, differential pressure instrument and the negative pressure ball valve of intercommunication in proper order through external pipeline, the parallelly connected intercommunication of differential pressure instrument side is provided with balanced ball valve, the medium flow direction of medium flow direction parallel and perpendicular to balanced ball valve in malleation ball valve and the negative pressure ball valve, the pipeline intercommunication at tee valve and malleation ball valve and negative pressure ball valve place is passed through at the both ends of balanced ball valve.
As a preferred technical scheme of the utility model, two ends of the differential pressure instrument are communicated with pipelines where the positive pressure ball valve and the negative pressure ball valve are located through a three-way valve, a positive pressure exhaust check ball valve communicated with the outside is connected in series at a vacant end of the three-way valve on the corresponding side of the positive pressure ball valve, and a negative pressure exhaust check ball valve communicated with the outside is connected in series at a vacant end of the three-way valve on the corresponding side of the negative pressure ball valve;
the exhaust check ball valve is additionally arranged at the end part, so that the air pressure on two sides of the differential pressure instrument is corrected, and the accuracy of a measuring result is ensured.
As a preferred technical scheme of the utility model, valve rods of the positive pressure ball valve and the negative pressure ball valve are provided with a synchronous mechanism together;
through the effect of the synchronizing mechanism, the positive pressure ball valve and the negative pressure ball valve can be synchronously opened or closed.
As a preferred technical scheme of the utility model, the synchronizing mechanism comprises a fixed frame, a synchronizing frame and a poking rod, wherein two ends of the fixed frame are respectively and fixedly connected with the positive pressure ball valve and the negative pressure ball valve, two ends of the synchronizing frame are respectively hinged with free ends of operating levers of the positive pressure ball valve and the negative pressure ball valve, the end part of the poking rod is hinged with the fixed frame, the middle position of the poking rod is hinged with the synchronizing frame, and the poking rod is parallel to the operating levers of the positive pressure ball valve and the negative pressure ball valve.
As a preferred technical scheme of the utility model, the flow direction of a medium in the positive pressure exhaust check ball valve is the same as that of a medium in the positive pressure ball valve, and the flow direction of a medium in the negative pressure exhaust check ball valve is the same as that of a medium in the negative pressure ball valve;
through arranging the exhaust check ball valve installation mode, the blockage in the pipeline is convenient to clean.
As a preferred technical scheme of the utility model, the flow direction of media in the positive pressure exhaust check ball valve and the negative pressure exhaust check ball valve is consistent with the measurement axial direction of a differential pressure instrument;
through the arrangement of the installation mode of the exhaust check ball valve, the air pressure at two ends of the differential pressure instrument can be corrected conveniently.
Compared with the prior art, the utility model has the beneficial effects that: the straight-through ball valve group utilizes the ball valves of the straight cylinders to be connected and combined, can adapt to the complex installation environment on site, and replaces needle valves by the ball valves, thereby effectively avoiding the problem of internal blockage, and being convenient to clean even if blocked.
Compared with the existing three-group valve or five-group valve, the ball valve group is low in precision requirement, simple in structure, small in processing difficulty, low in use cost and convenient for industrial popularization and use, the piezoresistance of pressure conduction of the direct ball valve is reduced relative to a needle valve, the measurement sensitivity and precision can be obviously improved, meanwhile, the operating lever of the ball valve is in a structural design perpendicular to the valve rod, the full-on and full-off conversion can be achieved by rotating 90 degrees, the operation is simple relative to the needle valve, the direction of the operating lever can clearly show the on-off state of the valve, the ball valve group is more visual compared with the needle valve, and the gear misjudgment condition of the needle valve cannot occur.
The whole inner part is a straight-through ball valve, no unnecessary convex flow blocking part exists, the pressure guide is smooth, the pressure loss is small, the space is large, granular or liquid pollutants are not easy to accumulate, the blockage is not easy, the blockage phenomenon is occasionally caused, the blockage phenomenon can be easily and directly dredged by objects similar to steel wires, the blockage prevention effect is obvious, and the blockage rate is close to zero as long as regular or timely pollution discharge and water drainage are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fifth embodiment of the present invention.
In the figure: 1. a positive pressure ball valve; 2. a negative pressure ball valve; 3. a balance ball valve; 4. a differential pressure gauge; 5. a positive pressure exhaust check ball valve; 6. a negative pressure exhaust check ball valve; 7. a synchronization mechanism; 701. a fixed mount; 702. a synchronous frame; 703. a poke rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a straight-through ball valve group, includes the malleation ball valve 1, differential pressure instrument 4 and the negative pressure ball valve 2 that concatenate the intercommunication in proper order through external pipeline, and the parallel intercommunication of differential pressure instrument 4 side is provided with balanced ball valve 3, and the medium flow direction of medium flow direction parallel and perpendicular to balanced ball valve 3 in malleation ball valve 1 and the negative pressure ball valve 2, the pipeline intercommunication at tee valve and malleation ball valve 1 and negative pressure ball valve 2 place is passed through at the both ends of balanced ball valve 3.
Referring to fig. 2, two ends of a differential pressure instrument 4 are communicated with pipelines where a positive pressure ball valve 1 and a negative pressure ball valve 2 are located through three-way valves, a positive pressure exhaust check ball valve 5 communicated with the outside is connected in series at a vacant end of the three-way valve on the corresponding side of the positive pressure ball valve 1, and a negative pressure exhaust check ball valve 6 communicated with the outside is connected in series at a vacant end of the three-way valve on the corresponding side of the negative pressure ball valve 2;
the exhaust check ball valve is additionally arranged at the end part, so that the air pressure on two sides of the differential pressure instrument 4 is corrected, and the accuracy of a measuring result is ensured.
Referring to fig. 3, the valve rods of the positive pressure ball valve 1 and the negative pressure ball valve 2 are provided with a synchronizing mechanism 7;
through the effect of the synchronizing mechanism 7, the positive pressure ball valve 1 and the negative pressure ball valve 2 can be synchronously opened or closed.
The synchronizing mechanism 7 comprises a fixed frame 701, a synchronizing frame 702 and a poking rod 703, two ends of the fixed frame 701 are respectively and fixedly connected with the positive pressure ball valve 1 and the negative pressure ball valve 2, two ends of the synchronizing frame 702 are respectively hinged with free ends of operating rods of the positive pressure ball valve 1 and the negative pressure ball valve 2, the end part of the poking rod 703 is hinged with the fixed frame 701, the middle position of the poking rod 703 is hinged with the synchronizing frame 702, and the poking rod 703 is parallel to the operating rods of the positive pressure ball valve 1 and the negative pressure ball valve 2.
Referring to fig. 4, the flow direction of the medium in the positive pressure exhaust check ball valve 5 is the same as that of the medium in the positive pressure ball valve 1, and the flow direction of the medium in the negative pressure exhaust check ball valve 6 is the same as that of the medium in the negative pressure ball valve 2;
through arranging the exhaust check ball valve installation mode, the blockage in the pipeline is convenient to clean.
Referring to fig. 5, the flow direction of the medium in the positive pressure exhaust check ball valve 5 and the negative pressure exhaust check ball valve 6 is consistent with the measurement axial direction of the differential pressure meter 4;
through the arrangement of the installation mode of the exhaust check ball valve, the air pressure at two ends of the differential pressure instrument 4 can be conveniently corrected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A straight-through ball valve group is characterized in that: including concatenating malleation ball valve (1), differential pressure instrument (4) and negative pressure ball valve (2) of intercommunication in proper order through external pipeline, the parallelly connected intercommunication of differential pressure instrument (4) side is provided with balanced ball valve (3), medium flow direction parallel and perpendicular to balanced ball valve (3) medium flow direction in malleation ball valve (1) and negative pressure ball valve (2), the pipeline intercommunication at three-way valve and malleation ball valve (1) and negative pressure ball valve (2) place is passed through at the both ends of balanced ball valve (3).
2. A straight through ball valve set according to claim 1 wherein: pipeline intercommunication at the both ends of differential pressure instrument (4) through three-way valve and malleation ball valve (1) and negative pressure ball valve (2) place, and the vacant department of three-way valve that malleation ball valve (1) corresponds the side concatenates and communicates external malleation exhaust check ball valve (5), and the vacant department of three-way valve that negative pressure ball valve (2) correspond the side concatenates and communicates external negative pressure exhaust check ball valve (6).
3. A straight through ball valve set according to claim 1 wherein: and valve rods of the positive pressure ball valve (1) and the negative pressure ball valve (2) are provided with a synchronizing mechanism (7) together.
4. A straight through ball valve set according to claim 3 wherein: the synchronizing mechanism (7) comprises a fixing frame (701), a synchronizing frame (702) and a poking rod (703), the two ends of the fixing frame (701) are fixedly connected with a positive pressure ball valve (1) and a negative pressure ball valve (2) relatively respectively, the two ends of the synchronizing frame (702) are hinged with the free ends of operating levers of the positive pressure ball valve (1) and the negative pressure ball valve (2) respectively, the end part of the poking rod (703) is hinged with the fixing frame (701), the middle position of the poking rod (703) is hinged with the synchronizing frame (702), and the poking rod (703) is parallel to the operating levers of the positive pressure ball valve (1) and the negative pressure ball valve (2).
5. A straight through ball valve set according to claim 2 wherein: the medium flow direction in the positive pressure exhaust check ball valve (5) is the same as the medium flow direction in the positive pressure ball valve (1), and the medium flow direction in the negative pressure exhaust check ball valve (6) is the same as the medium flow direction in the negative pressure ball valve (2).
6. A straight through ball valve set according to claim 2 wherein: the flow direction of media in the positive pressure exhaust check ball valve (5) and the negative pressure exhaust check ball valve (6) is consistent with the measuring axial direction of the differential pressure instrument (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734081.XU CN215410309U (en) | 2021-07-28 | 2021-07-28 | Straight-through ball valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734081.XU CN215410309U (en) | 2021-07-28 | 2021-07-28 | Straight-through ball valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410309U true CN215410309U (en) | 2022-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121734081.XU Active CN215410309U (en) | 2021-07-28 | 2021-07-28 | Straight-through ball valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410309U (en) |
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2021
- 2021-07-28 CN CN202121734081.XU patent/CN215410309U/en active Active
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Address after: Floor 19, Yuyan Building, No. 29 Chongde Street, Zhengdong New District, Zhengzhou City, Henan Province, 450000 Patentee after: Henan Jinshu Intelligent Technology Co.,Ltd. Address before: 450000 Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: ANGANG AUTOMATION SOFTWARE CO.,LTD. |