CN203363402U - Device eliminating influence on pipeline from cutoff close water hammer in water delivery pipeline - Google Patents
Device eliminating influence on pipeline from cutoff close water hammer in water delivery pipeline Download PDFInfo
- Publication number
- CN203363402U CN203363402U CN2013204091388U CN201320409138U CN203363402U CN 203363402 U CN203363402 U CN 203363402U CN 2013204091388 U CN2013204091388 U CN 2013204091388U CN 201320409138 U CN201320409138 U CN 201320409138U CN 203363402 U CN203363402 U CN 203363402U
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- water delivery
- pipeline
- water
- valve
- delivery main
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- Expired - Fee Related
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Abstract
The utility model discloses a device eliminating influence on a pipeline from a cutoff close water hammer in the water delivery pipeline. The device comprises an air absorbing and exhausting valve arranged on the hump position of a main water delivery pipe. The air absorbing and exhausting valve is connected with the hump portion of the main water delivery pipe through a connecting pipe. As the combined type air absorbing and exhausting valve absorbing air fast and exhausting the air slowly is arranged on the hump portion of the main water delivery pipe, the cutoff close water hammer phenomenon in the main water delivery pipe is effectively avoided. As the pressure fluctuation in a whole water delivery system is lowered greatly, the safety reliability of the main water delivery pipe, other equipment and a pump station in the water delivery system is effectively improved. The device is simple in structure, low in manufacturing cost and reliable in operation, and has great significance to the safety of the water delivery system.
Description
Technical field
the utility model relates to a kind of aqueduct interrupt flow of eliminating and makes the device of water hammer on the pipeline impact up, belongs to conduit pipe security protection technology field.
Background technique
when with a varied topography, landforms change large mountain area and hilly country and arrange Long-distance Water Transmission Pipeline, pipeline often there will be " water column separation " phenomenon in the hump position, continuous water column is cut in two, and between two sections water columns, forms cavity.When two sections separation water columns make up more again, two sections water column generation sharp impacts, can produce immense pressure in impact moment, be called " water hammer due to cavities collapsing ".The generation of water hammer due to cavities collapsing, may cause the fluctuation of whole water-carriage system pressure, when serious, can cause pipeline breaking; If when " water hammer due to cavities collapsing " phenomenon occurs near pump outlet, its harm is larger, may the water logging pump house.Form mechanism with the pass valve water hammer in water power plant and pump-stopping water hammer and distinguish to some extent because the aqueduct interrupt flow makes up on the mechanism that water hammer generates, so adopt the pump-stopping water hammer protective equipment (as water-hammer arrester, buffer valve and valve control etc.) of pumping plant to protect, produce little effect, even invalid.
Summary of the invention
the purpose of this utility model is, provides a kind of aqueduct interrupt flow of eliminating to make the device of water hammer on the pipeline impact up.To guarantee the safe operation of water-carriage system.
the technical solution of the utility model:
a kind of aqueduct interrupt flow of eliminating makes the device of water hammer on the pipeline impact up, comprises the air inlet-exhaust valve that is located at delivery main hump position, and air inlet-exhaust valve is connected with delivery main hump place through connecting tube.
in aforementioned means, described air inlet-exhaust valve forms fast suction by breather cheek valve and exhaust check valve and arranges slowly the combined type air inlet-exhaust valve.
in aforementioned means, described delivery main hump place is provided with threeway, and the straight-through tube at threeway two ends is connected with delivery main respectively, and the branched pipe in the middle of threeway is connected with connecting tube.
in aforementioned means, described connecting tube is provided with service valve.
compared with prior art, the utility model is arranged the combined type air inlet-exhaust valve slowly by delivery main hump position, fast suction being set, and has effectively avoided the generation of " water hammer due to cavities collapsing " phenomenon in the delivery main.Thereby in whole water-carriage system, pressure surge greatly reduces, effectively improved the safety reliability of delivery main and miscellaneous equipment and pumping plant in the water-carriage system.Apparatus structure of the present utility model is simple, and fabricating cost is low, reliable, for the safety of water-carriage system, is significant.
The accompanying drawing explanation
fig. 1 is structural representation of the present utility model.
being labeled as in accompanying drawing: 1-delivery main, 2-air inlet-exhaust valve, 3-connecting tube, 4-threeway, 5-service valve, 6-hillside.
Embodiment
below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to any restriction of the present utility model.
a kind of aqueduct interrupt flow of eliminating makes the device of water hammer on the pipeline impact up, as shown in Figure 1.Comprise the air inlet-exhaust valve 2 that is located at delivery main 1 hump position, air inlet-exhaust valve 2 forms fast suction by breather cheek valve and exhaust check valve and arranges slowly the combined type air inlet-exhaust valve.Air inlet-exhaust valve 2 is connected with delivery main 1 hump place through connecting tube 3.Connecting tube 3 is provided with service valve 5.Delivery main 1 hump place is provided with threeway 4, and the straight-through tube at threeway 4 two ends is connected with delivery main 1 respectively, and the branched pipe in the middle of threeway 4 is connected with connecting tube 3.
working principle of the present utility model
when delivery main 1, on hillside, " water column separation " phenomenon appears in 6 hump place, continuous water column can be divided into two sections, between two sections water columns, forms cavity, and cavity is negative pressure.The breather cheek valve that now fast suction is arranged in the combined type air inlet-exhaust valve is slowly opened, and the air in atmosphere is sucked to cavity fast, prevents that in cavity, negative pressure continuation expansion damages delivery main 1.When the interior two sections water column relative movement of delivery main 1, the extruding that cavity is subject to two sections water columns increases the cavity internal pressure, now, the exhaust check valve that fast suction is arranged in the combined type air inlet-exhaust valve is slowly slowly opened, carry out the exhaust of low speed trace, for the water column on both sides provides buffering, can not make cavity rapidly disappear, two sections water columns are slowly made up.Avoid two sections water column high speed direct collisions in delivery main 1 to produce " water hammer due to cavities collapsing " phenomenon.
after adopting device of the present utility model, owing to having avoided " water hammer due to cavities collapsing " phenomenon in the delivery main.Thereby in whole water-carriage system, pressure surge greatly reduces, effectively improved the safety reliability of delivery main and pumping plant in the water-carriage system.Apparatus structure of the present utility model is simple, and fabricating cost is low, reliable, for the safety of water-carriage system, is significant.
Claims (4)
1. eliminate the aqueduct interrupt flow and make the device of water hammer on pipeline impact up for one kind, it is characterized in that: comprise the air inlet-exhaust valve (2) that is located at delivery main (1) hump position, air inlet-exhaust valve (2) is connected with delivery main (1) hump place through connecting tube (3).
2. install according to claim 1, it is characterized in that: described air inlet-exhaust valve (2) forms fast suction by breather cheek valve and exhaust check valve and arranges slowly the combined type air inlet-exhaust valve.
3. install according to claim 2, it is characterized in that: described delivery main (1) hump place is provided with threeway (4), and the straight-through tube at threeway (4) two ends is connected with delivery main (1) respectively, and the branched pipe in the middle of threeway (4) is connected with connecting tube (3).
4. install according to claim 2, it is characterized in that: described connecting tube (3) is provided with service valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204091388U CN203363402U (en) | 2013-07-10 | 2013-07-10 | Device eliminating influence on pipeline from cutoff close water hammer in water delivery pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204091388U CN203363402U (en) | 2013-07-10 | 2013-07-10 | Device eliminating influence on pipeline from cutoff close water hammer in water delivery pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363402U true CN203363402U (en) | 2013-12-25 |
Family
ID=49811163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204091388U Expired - Fee Related CN203363402U (en) | 2013-07-10 | 2013-07-10 | Device eliminating influence on pipeline from cutoff close water hammer in water delivery pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203363402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018547A (en) * | 2014-06-12 | 2014-09-03 | 云南大红山管道有限公司 | High-altitude, high-lift, high-pressure pipeline and long-distance water conveying device and method |
-
2013
- 2013-07-10 CN CN2013204091388U patent/CN203363402U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018547A (en) * | 2014-06-12 | 2014-09-03 | 云南大红山管道有限公司 | High-altitude, high-lift, high-pressure pipeline and long-distance water conveying device and method |
| CN104018547B (en) * | 2014-06-12 | 2015-12-30 | 云南大红山管道有限公司 | A kind of High aititude high-lift pressure piping long distance water transfer device and water-conveying method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20180710 |