CN215211287U - Combined flow regulating structure adaptable to large-diameter pipeline and large-amplitude water level - Google Patents
Combined flow regulating structure adaptable to large-diameter pipeline and large-amplitude water level Download PDFInfo
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- CN215211287U CN215211287U CN202120081866.5U CN202120081866U CN215211287U CN 215211287 U CN215211287 U CN 215211287U CN 202120081866 U CN202120081866 U CN 202120081866U CN 215211287 U CN215211287 U CN 215211287U
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Abstract
The utility model discloses an adaptable major diameter pipeline, the combination formula flow control structure of greatly becoming width of cloth water level relates to hydraulic engineering technical field. The water-saving gate comprises a water conveying pipeline, a branch pipe section, a gate chamber section, a valve chamber section and a water outlet pool; the lock chamber section comprises a working lock gate; the valve comprises an upstream butterfly valve, a downstream butterfly valve and a flow regulating valve of the valve chamber section. When the utility model is used, when the diameter of the pipeline is larger and the difference between the upstream water head and the downstream water head is smaller, the diameter of the water delivery pipeline is kept unchanged, and the flow is adjusted through the lock chamber section; the water head loss is less, and the requirement of the water supply water head in the low water head can be met.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field, the more specifically combination formula flow control structure that says so it is adaptable major diameter pipeline, becomes width of cloth water level greatly.
Background
In order to meet the flow control requirement of the water supply project, a flow regulating component is required to be arranged at the tail end of the pipeline.
At present, in the same kind of engineering, a flow regulating valve or a plane steel gate is generally adopted to control the flow. For the flow regulating valve, a maintenance butterfly valve is required to be arranged at the upstream and the downstream so as to meet the maintenance requirement of the flow regulating valve; simultaneously, receive the manufacturing level restriction, the flow regulating valve maximum diameter is about 2.0m, and when the pipeline diameter was greater than 2.0m, in order to satisfy the flow regulating valve and arrange the needs, need be divided into the many spinal branchs pipes that the diameter is less than 2.0m with the pipeline at the end, the conduit diameter is big more, branch pipe quantity is more, the main technical problem who brings includes:
1) the water head loss is large, and the water supply water head is influenced;
2) the number of flow regulating valves and maintenance butterfly valves is increased, and the engineering investment is increased;
3) in order to adapt to the arrangement of a plurality of water distribution branch pipes, the structural arrangement is complex, and the engineering investment is increased.
When the diameter of the pipeline is larger, a plane steel gate can be adopted to adjust the flow rate in order to simplify the tail end structure. For the plane steel gate, when the water level amplitude is large, the influence of water level fluctuation is caused, and the long-term operation safety of the steel gate is difficult to guarantee, so that the plane steel gate is difficult to meet the flow regulation requirement when the water level amplitude is large.
Therefore, it is necessary to develop a combined flow regulating structure which can adapt to large-diameter pipelines and large-amplitude water levels.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcomings of the background technology, and providing a combined flow regulation structure which can adapt to a large-diameter pipeline and has a large amplitude water level.
In order to realize the purpose, the technical scheme of the utility model is that: adaptable major diameter pipeline, the combination formula flow control structure of greatly becoming width of cloth water level, its characterized in that: the water-saving gate comprises a water conveying pipeline, a branch pipe section connected with the water conveying pipeline, a gate chamber section connected with the branch pipe section, a valve chamber section connected with the branch pipe section, and a water outlet pool connected with the gate chamber section and the valve chamber section;
the lock chamber section comprises a working lock gate with adjustable opening;
the valve housing section includes an upstream butterfly valve, a downstream butterfly valve, and a flow regulating valve positioned between the upstream butterfly valve and the downstream butterfly valve.
In the technical scheme, the bifurcated pipe section is in a Bu shape and comprises a main pipe and a branch pipe; the main pipe is connected with the lock chamber section, the branch pipes are connected with the valve chamber section, the pipe diameter of the main pipe is the same as that of the water delivery pipeline, and the pipe diameter of the branch pipes is smaller than that of the water delivery pipeline.
In the above technical solution, the chamber section further comprises a transition section located upstream of the working gate; the pipeline of the transition section is gradually changed into a rectangle from a circle.
In the above technical solution, there are two working gates.
Compared with the prior art, the utility model has the advantages of it is following:
1) when the utility model is used, when the diameter of the pipeline is larger and the difference between the upstream water head and the downstream water head is smaller, the diameter of the water delivery pipeline is kept unchanged, and the flow is adjusted through the lock chamber section; the water head loss is less, and the requirement of the water supply water head in the low water head can be met.
2) When the utility model is used, when the diameter of the pipeline is larger and the difference between the upstream water head and the downstream water head is larger, the diameter of the water pipeline is locally reduced, and the flow is adjusted through the valve chamber section; the water head loss is large, and the requirement of a water supply water head during high water head can be met.
3) The utility model discloses compare with traditional flow control structure, possess the flow control function that the pipeline diameter is big, the flood peak becomes the width of cloth when big, engineering application scope is wider.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a sectional view of the chamber section of the present invention.
Fig. 3 is a sectional view of the valve housing section of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be apparent and readily appreciated by the description.
With reference to the accompanying drawings: adaptable major diameter pipeline, the combination formula flow control structure of greatly becoming width of cloth water level, its characterized in that: the water supply device comprises a water conveying pipeline 1, a branch pipe section 2 connected with the water conveying pipeline 1, a lock chamber section 3 connected with the branch pipe section 2, a valve chamber section 4 connected with the branch pipe section 2, and a water outlet pool 5 connected with the lock chamber section 3 and the valve chamber section 4;
the lock chamber section 3 comprises a working lock gate 31 with adjustable opening;
the valve housing section 4 includes an upstream butterfly valve 41, a downstream butterfly valve 42, and a flow regulating valve 43 between the upstream butterfly valve 41 and the downstream butterfly valve 42.
The bifurcated pipe section 2 is in a Bu-shaped shape and comprises a main pipe 21 and a branch pipe 22; the main pipe 21 is connected with the lock chamber section 3, the branch pipe 22 is connected with the valve chamber section 4, the pipe diameter of the main pipe 21 is the same as that of the water pipeline 1, and the pipe diameter of the branch pipe 22 is smaller than that of the water pipeline 1.
The chamber section 3 further comprises a transition section 32 upstream of the working gate 31; the duct of the transition section 32 changes from circular to rectangular.
The working gates 31 are two in number.
In actual use, the upstream butterfly valve 41 and the downstream butterfly valve 42 are respectively arranged at the upper and the downstream sides of the flow regulating valve 43, and are opened to pass water flow when the flow regulating valve 43 is operated, and are closed to cut off the water flow when the flow regulating valve 43 is overhauled or stopped;
flow regulating valve 43: the water pipe is arranged in the middle of the valve chamber section 4 and is used for carrying out linear flow regulation and pressure reduction on the water pipe 1;
and (3) water outlet pool 5: the tail end of the water conveying pipeline 1 is arranged to receive water flow;
transition section 32: the water delivery pipe 1 is arranged at the section change position of the water delivery pipe, and the water delivery pipe is gradually changed from a circle to a rectangle, so that water flow smoothly flows into a water outlet pool;
the working gate 31: the steel gate is arranged on the lock chamber section 3, can be opened and closed in running water, and can control the flow through the opening of the gate.
When the upstream and downstream water heads are lower, the upstream butterfly valve 41 and the downstream butterfly valve 42 of the valve chamber section 4 are closed, the working gate 31 of the gate chamber section 3 is opened, the water flow in the water pipe 1 flows through the branch pipe section 2 to enter the gradual change section 32, and flows into the water outlet pool 5 after the flow is regulated at the working gate 31; the diameter of the water pipe 1 is kept unchanged in the flow adjusting process, the head loss is small, and the requirement of a water supply head at a low head can be met.
When the upstream and downstream water heads are higher, the working gate 31 of the gate chamber section 3 is closed, the upstream butterfly valve 41 and the downstream butterfly valve 42 of the valve chamber section 4 are opened, the water flow in the water conveying pipeline 1 flows through the branch pipe section 2 to enter the valve chamber section 4, and flows into the water outlet pool 5 after the flow is regulated at the flow regulating valve 43, so that the flow control effect is good.
Other parts not described belong to the prior art.
Claims (4)
1. Adaptable major diameter pipeline, the combination formula flow control structure of greatly becoming width of cloth water level, its characterized in that: comprises a water pipe (1), a branch pipe section (2) connected with the water pipe (1), a lock chamber section (3) connected with the branch pipe section (2), a valve chamber section (4) connected with the branch pipe section (2), and a water outlet pool (5) connected with the lock chamber section (3) and the valve chamber section (4);
the lock chamber section (3) comprises a working lock gate (31) with adjustable opening;
the valve housing section (4) comprises an upstream butterfly valve (41), a downstream butterfly valve (42), a flow regulating valve (43) located between the upstream butterfly valve (41) and the downstream butterfly valve (42).
2. The combined flow regulating structure adaptable to large-diameter pipelines and large-amplitude water levels as recited in claim 1, wherein: the bifurcated pipe section (2) is in a Bu-shaped shape and comprises a main pipe (21) and a branch pipe (22); the main pipe (21) is connected with the lock chamber section (3), the branch pipe (22) is connected with the valve chamber section (4), the pipe diameter of the main pipe (21) is the same as that of the water pipeline (1), and the pipe diameter of the branch pipe (22) is smaller than that of the water pipeline (1).
3. The combined flow regulating structure adaptable to large-diameter pipelines and large-amplitude water levels as claimed in claim 1 or 2, wherein: said chamber section (3) further comprising a transition section (32) upstream of the working gate (31); the pipe of the transition section (32) is changed from a circle to a rectangle.
4. The combined flow regulating structure adaptable to large-diameter pipelines and large-amplitude water levels as recited in claim 3, wherein: the number of the working gates (31) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081866.5U CN215211287U (en) | 2021-01-13 | 2021-01-13 | Combined flow regulating structure adaptable to large-diameter pipeline and large-amplitude water level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120081866.5U CN215211287U (en) | 2021-01-13 | 2021-01-13 | Combined flow regulating structure adaptable to large-diameter pipeline and large-amplitude water level |
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| Publication Number | Publication Date |
|---|---|
| CN215211287U true CN215211287U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120081866.5U Active CN215211287U (en) | 2021-01-13 | 2021-01-13 | Combined flow regulating structure adaptable to large-diameter pipeline and large-amplitude water level |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117536179A (en) * | 2024-01-09 | 2024-02-09 | 陕西省水利电力勘测设计研究院 | Water supply valve system and design method thereof |
| CN117536179B (en) * | 2024-01-09 | 2024-05-03 | 陕西省水利电力勘测设计研究院 | Water supply valve system and design method thereof |
-
2021
- 2021-01-13 CN CN202120081866.5U patent/CN215211287U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117536179A (en) * | 2024-01-09 | 2024-02-09 | 陕西省水利电力勘测设计研究院 | Water supply valve system and design method thereof |
| CN117536179B (en) * | 2024-01-09 | 2024-05-03 | 陕西省水利电力勘测设计研究院 | Water supply valve system and design method thereof |
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