CN207919647U - A kind of device opened convenient for large size valve and pipeline water quality is safeguarded - Google Patents
A kind of device opened convenient for large size valve and pipeline water quality is safeguarded Download PDFInfo
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- CN207919647U CN207919647U CN201820123354.9U CN201820123354U CN207919647U CN 207919647 U CN207919647 U CN 207919647U CN 201820123354 U CN201820123354 U CN 201820123354U CN 207919647 U CN207919647 U CN 207919647U
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- valve
- communicating pipe
- gate valve
- water quality
- pipe
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Abstract
The utility model provides a kind of device opened convenient for large size valve and pipeline water quality is safeguarded, for large-scale water feeding penstock, including the big gate valve that the communicating pipe between large-scale water feeding penstock is arranged and is arranged on communicating pipe, its technological improvement point is that bypass line is arranged on the communicating pipe, the bypass pipe is respectively communicated with communicating pipe with big gate valve both ends, and normally opened small gate valve is arranged on bypass pipe to keep the flow in communicating pipe to be always flowing.It solves the problems, such as that water quality is poor greatly and in the pipeline of valve both ends for valve opening difficulty in the connecting tube between large-scale water feeding penstock, while the use of drain valve can also be reduced, reduce water and leak, saved water resource.
Description
Technical field
The utility model is related to the dresses that a kind of valve opening convenient on large-scale water feeding penstock and pipeline water quality are safeguarded
It sets, belongs to feedwater piping valve technology field.
Background technology
Under normal conditions, it is equipped with connecting tube between large-scale feed pressure main pipeline network, the large size valve in connecting tube
It is usually chronically at closed state, when the water between pipe network needs scheduling, can just open this valve.However due to valve
There are pressure difference, the unlatchings of valve just to become extremely difficult at both ends；Simultaneously as valve is chronically at closed state, communicating pipe
Interior flow poor fluidity causes the easy nigrescence of the water body in communicating pipe smelly, the water quality at rear has been seriously affected, for this
The way of situation routine is first to open the drain valve at rear, and normal water is carried out again after exhausting the poor water body of the part water quality
Traffic control, this has resulted in the waste of water resource, returns water regulation and brings difficulty.
Utility model content
In view of this, the utility model devises one kind convenient for valve opening and pipeline water quality on large-scale water feeding penstock
The device of maintenance, solve in the connecting tube between large-scale water feeding penstock that valve opening difficulty is big and valve both ends pipeline in
The poor problem of water quality, while the use of drain valve can also be reduced, it reduces water and leaks, saved water resource.
The utility model for solve the specific technical solution that above-mentioned the shortcomings of the prior art uses for：
A kind of device opened convenient for large size valve and pipeline water quality is safeguarded, the valve on large-scale water feeding penstock
It opens, mainly includes the communicating pipe being arranged between two large-scale water feeding penstock and the big lock being arranged on communicating pipe
Valve, the big gate valve on normal conditions lower communicating tube are closed, only when needing the two large-scale feed pressures of adjustment
Just big gate valve is opened when water in pipeline.As front background technology in the unlatching of big gate valve mentioned it is relatively difficult,
In this regard, the utility model is improved on the basis of existing structure, i.e., bypass line is set on communicating pipe, the two of bypass pipe
End is connected communicating pipe with big gate valve both ends respectively, a size corresponding small gate valve therewith is arranged on bypass pipe, this is small
Gate valve is in normally open, in order to adjust the pressure difference at big gate valve both ends and the flow in communicating pipe is kept to be constantly in flowing
State.
Further, valve well is set in the surrounding of big gate valve, bypass pipe and small gate valve, since the inside of this valve well is wrapped
Contain big gate valve, bypass pipe and small gate valve, so the width of the valve well increases 1~1.5m than traditional valve well, and it is conventional
The width of valve well 0.5m or so usually more than the size of valve.The type of valve well can be that brick valve well, reinforcing bar are mixed
Solidifying soil valve well can also be Plastic valve well, and shape can be round, rectangular etc. or specific design according to actual needs.
The utility model is had the beneficial effect that using what is reached after above-mentioned technical solution：
1, the utility model adds bypass pipe on communicating pipe, and normally opened small gate valve is arranged on bypass pipe, connects in this way
Flow in siphunculus will be always flowing, and also just have adjusted the pressure difference at big gate valve both ends, when needing to open big lock
When valve, since the pressure difference at big gate valve both ends is effectively adjusted, easily big gate valve can be opened；
2, since the flow in communicating pipe is always flowing, so the water quality in its pipe is no longer held as before
Easily black smelly, water quality situation is significantly improved in pipeline；
3, further, after the smelly water quality that blacks is obviously improved, black and odorous water need not be excreted out just
Water can be dispatched, water resource has been saved, while reducing the difficulty of water regulation.
Description of the drawings
Fig. 1 is a kind of floor plan for being convenient for large size valve unlatching and pipeline water quality maintenance device of the utility model.
As shown in the figure：The big gate valves of 1-, 2- communicating pipes, 3- valve wells, 4- bypass pipes, the small gate valves of 5-, 6- water feeding penstocks.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with the accompanying drawings and specifically
The utility model is further described in embodiment.It is understood that specific embodiment described herein is only solving
The utility model is released, is not used to limit the utility model.
The present embodiment is a kind of device opened convenient for large size valve and pipeline water quality is safeguarded, is used in large-scale feed pressure pipe
During the water regulation in road, structure as shown in Figure 1, be connected to by communicating pipe 2 between two large-scale water feeding penstocks 6,
Big gate valve corresponding with 2 caliber of communicating pipe 1 is set on communicating pipe 2.Under normal conditions, big gate valve 1 is closed, big lock
There are larger pressure differences at valve 1 both ends, it is desirable to which opening big gate valve 1 just becomes highly difficult.In order to solve this problem, this practicality is new
Bypass line 4 is arranged in type on communicating pipe 2, and the both ends of bypass pipe 4 are connected with the communicating pipe 2 at 1 both ends of big gate valve, in bypass pipe 4
Upper setting small gate valve 5 corresponding with 4 caliber of bypass pipe, sets small gate valve 5 to normally open, the water in such communicating pipe 2
Stream is just always flowing, and the pressure difference at 1 both ends of big gate valve is effectively adjusted, and is opened big gate valve 1 and is just become easy perhaps
It is more.
Further, the bypass pipe 4 is the steel pipe that caliber is DN200~DN300.
Further, above-mentioned technical proposal further includes a valve well 3, and the valve well 3 setting is in big gate valve 1, bypass
The surrounding of pipe 4 and small gate valve 5, since big gate valve 1, bypass pipe 4 and small gate valve 5 are included by valve well 3, so valve herein
The width of door well 3 is greater than traditional valve 1~1.5m of well, and the width of traditional valve well is generally higher than the 0.5m of valve.
The utility model in the specific implementation, includes the following steps：
1, the construction of valve well 3 is carried out according to design size；
2, on communicating pipe 2, and in the both ends connecting bypass pipe 4 of big gate valve 1；
3, small gate valve 5 is installed on bypass pipe 4.
Under normal conditions, big gate valve 1 is closed, and small gate valve 5 is in normally open, because of two large-scale feed pressure
Existing pressure difference between pipeline 6, the water body constant flow in communicating pipe 2 do not form stagnant water, to keep water quality in communicating pipe 2 good
It is good；When the water between two large-scale water feeding penstock 6 needs mutually scheduling, by 5 standard-sized sheet of small gate valve on bypass pipe 4,
The pressure difference at 1 both ends of big gate valve at this moment communicating pipe 2 die-offs, and so gate valve 1 is easily opened greatly.
The utility model successfully solves the big and valve of upper valve opening difficulty of the communicating pipe between large-scale water feeding penstock
In the pipeline of door both ends the problem of water quality inferiority, while the use of drain valve can also be reduced, and reduce water and leak, save water resource,
In addition, the utility model also has advantage simple in structure.
It should be understood that the part not illustrated in specification is the prior art or common knowledge.The present embodiment is only used
In illustrating the utility model, rather than limitation the scope of the utility model, those skilled in the art are for the utility model institute
The modifications such as the equivalent replacement made are deemed to fall in the utility model claims book institute protection domain.
Claims (4)
1. a kind of device opened convenient for large size valve and pipeline water quality is safeguarded, for large-scale water feeding penstock comprising set
The big gate valve (1) set the communicating pipe (2) between large-scale water feeding penstock and be arranged on communicating pipe (2), it is characterised in that：
Bypass line (4), the communicating pipe (2) point of the bypass pipe (4) and big gate valve (1) both ends are set on the communicating pipe (2)
It is not connected to, normally opened small gate valve (5) is set on bypass pipe (4) to be kept for communicating pipe the flow in (2) to be constantly in flowing shape
State.
2. a kind of device opened convenient for large size valve and pipeline water quality is safeguarded according to claim 1, it is characterised in that：
The bypass pipe (4) is the steel pipe that caliber is DN200~DN300.
3. a kind of device opened convenient for large size valve and pipeline water quality is safeguarded according to claim 1 or 2, feature exist
In：Further include a valve well (3), the valve well (3) setting big gate valve (1), bypass pipe (4) and small gate valve (5) four
Week.
4. a kind of device opened convenient for large size valve and pipeline water quality is safeguarded according to claim 3, it is characterised in that：
The valve well (3) is one kind in brick valve well, armored concrete valve well or Plastic valve well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820123354.9U CN207919647U (en) | 2018-01-25 | 2018-01-25 | A kind of device opened convenient for large size valve and pipeline water quality is safeguarded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820123354.9U CN207919647U (en) | 2018-01-25 | 2018-01-25 | A kind of device opened convenient for large size valve and pipeline water quality is safeguarded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207919647U true CN207919647U (en) | 2018-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820123354.9U Active CN207919647U (en) | 2018-01-25 | 2018-01-25 | A kind of device opened convenient for large size valve and pipeline water quality is safeguarded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207919647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154174A (en) * | 2021-04-16 | 2021-07-23 | 中南大学 | Device for mixing steam, super-cavitation explosion prevention and reducing water loss of urban water delivery and distribution pipe |
-
2018
- 2018-01-25 CN CN201820123354.9U patent/CN207919647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154174A (en) * | 2021-04-16 | 2021-07-23 | 中南大学 | Device for mixing steam, super-cavitation explosion prevention and reducing water loss of urban water delivery and distribution pipe |
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