CN205557765U - Water tank siphon destructor - Google Patents
Water tank siphon destructor Download PDFInfo
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- CN205557765U CN205557765U CN201620343066.5U CN201620343066U CN205557765U CN 205557765 U CN205557765 U CN 205557765U CN 201620343066 U CN201620343066 U CN 201620343066U CN 205557765 U CN205557765 U CN 205557765U
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- check
- valves
- water tank
- pipeline
- water
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Abstract
The utility model discloses a water tank siphon destructor, including check valve I (2), check valve II (3) and outlet pipe way (5), the water tank delivery port that is located water tank (1) bottom passes through the entry end intercommunication of pipeline and drain pump (7), the exit end of drain pump passes through the pipeline and is connected with the income water end (W. E. ) of check valve I, I forward connection on the check valve, the play water end (W. E. ) of check valve I through the pipeline with be located the outlet pipe way and be connected apart from ground the highest position's three way connection's intercommunication of the same kind, three way connection's other two tunnel passes through pipeline and check valve II respectively, floor drain (6) are connected, II reverse installations on the check valve, stop valve (4) are installed to the other end of check valve II, the other end and the external atmosphere intercommunication of stop valve, and the stop valve is in open state. This water tank siphon destructor simple structure can realize the purpose to siphonage destruction under the prerequisite that does not adopt extra electric control, and then realizes preventing the water tank and inhaled sky, protection drain pump.
Description
Technical field
This utility model relates to a kind of water tank siphon breaking plant, a kind of water tank siphon breaking plant that can prevent from being flowed out by the water suck-back in water tank in the case of water pump is shut down because of pipeline negative pressure, belongs to water supply and drainage technical field.
Background technology
Siphon is the active force phenomenon utilizing liquid level difference, after liquid being full of in an inverted U-shaped tubular structure, one end high for opening is placed in the container filling liquid, liquid in container can continue through siphon and flow out from being opened on lower position, the essence of siphon is because gravity and intermolecular cohesive strength and produces, in device, in pipe, peak liquid moves under gravity at the low level mouth of pipe, negative pressure is produced inside U-tube, the liquid causing the high-order mouth of pipe is sucked into peak, so that liquid flows into lower position container continuously.
Industrial or civil water tank arranges draining pump on the discharge pipe line of water tank generally for being easy to Quick drainage; the most industrial or civil water tank forms the condition of siphonage when the water level in water tank and discharge pipe line discharge outlet exist difference in height and will existing when draining pump quits work state; siphonage would generally make the water level in water tank constantly reduce; when in water tank, water level is too low, air empties in water tank outlet enters drain pipe, in turn results in drain pipe, the most easily causes draining pump idle running damage when being again started up draining pump；Meanwhile, for being typically provided with Level monitor in industrial water tank, when water level is too low, drainage system monitors the too low meeting of water level and makes whole production line stop, in turn results in economic loss.
For these reasons, water tank siphon breaking plant generally need to be set on water tank to destroy siphonage to equipment and the infringement of system, the existing simplest method of destruction siphonage is to install siphon destructive valve in the peak position of drain pipe, siphon is disconnected in time to ensure pump valve and the safety of equipment when producing negative pressure in drain pipe, but siphon destructive valve is typically with Electromagnetic Control, electric cabinet need to be separately provided, use uneconomical；Also having a kind of conventional mode is to install electrically operated valve in draining pump exit position, and this mode needs electrically operated valve and draining pump coordinated signals, the most uneconomical.
Summary of the invention
For the problems referred to above; this utility model provides a kind of water tank siphon breaking plant; simple in construction; the purpose that siphonage is destroyed can be realized on the premise of not using extra Electronic control; and then realize preventing water tank to be emptied, protect draining pump, avoid production line to cause the harm of shutdown because cistern water level is too low simultaneously.
For achieving the above object, this water tank siphon breaking plant includes check-valves I, check-valves II and outlet pipeline；
The water outlet of water tank being positioned at water tank bottom is connected with the arrival end of draining pump by pipeline, the water side of draining pump is connected with the water intake end of check-valves I by pipeline, check-valves I forward connects, the water side of check-valves I is connected with a road of the three way cock being positioned at outlet pipeline distance extreme higher position, ground by pipeline, the other two-way of three way cock is connected with check-valves II, floor drain by pipeline respectively, check-valves II is inversely installed, the other end of check-valves II is provided with stop valve, and the other end of stop valve connects with ambient atmosphere and stop valve is in normally open.
As further improvement of the utility model scheme, the length dimension of the outlet pipeline between described floor drain to check-valves II is less than the length dimension of the outlet pipeline between floor drain to check-valves I.
As further improvement of the utility model scheme, described check-valves I and check-valves II are all swing type structure check-valves.
As further improvement of the utility model scheme, between water side and the check-valves I of described draining pump, it is also provided with stop valve.
As further improvement of the utility model scheme, between arrival end and the water outlet of water tank of described draining pump, it is also provided with stop valve.
nullCompared with prior art，This water tank siphon breaking plant is owing to being provided with check-valves I and check-valves II，And on the outlet pipeline of the check-valves I forward port of export that is arranged on draining pump、On the three way cock of the water side that check-valves II is inversely arranged on check-valves I，Therefore after draining pump is shut down，The water being positioned at the outlet pipeline above floor drain flows downward under self gravitation effect，Form siphonage and produce negative pressure，Negative pressure makes the spool action of check-valves I and check-valves II while incrementally increasing，When the spool of check-valves I is pushed into cut-off state by air atmospheric pressure when stop valve and check-valves II enter outlet pipeline、And it is positioned at the outlet pipeline pressure release emptying above floor drain，And then form air closure，Realize water outlet of water tank and keep water state to this section of outlet pipeline of check-valves I，Thus realize destroying siphonage、Protection draining pump and the purpose of drainage system；This water tank siphon breaking plant realizes destroying the siphonage in outlet pipeline by the check-valves of two incorgruous installations, does not use extra Electronic control, simple in construction, it is easy to accomplish, and it is easy to maintaining.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, water tank, 2, check-valves I, 3, check-valves II, 4, stop valve, 5, outlet pipeline, 6, floor drain, 7, draining pump.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
As it is shown in figure 1, this water tank siphon breaking plant includes check-valves I 2, check-valves II 3 and outlet pipeline 5.
It is positioned at the water outlet of water tank bottom water tank 1 to be connected with the arrival end of draining pump 7 by pipeline, the port of export of draining pump 7 is connected with the water intake end of check-valves I 2 by pipeline, check-valves I 2 forward connects, i.e. on check-valves I 2 valve body, the direction of institute's target arrow is identical with the direction of media flow, the water side of check-valves I 2 is connected with the road being positioned at the outlet pipeline 5 three way cock apart from extreme higher position, ground by pipeline, the other two-way of three way cock is respectively by pipeline and check-valves II 3, floor drain 6 connects, check-valves II 3 is inversely installed, the i.e. direction of institute's target arrow and media flow in opposite direction on check-valves II 3 valve body, the other end of check-valves II 3 is provided with stop valve 4, the other end of stop valve 4 connects with ambient atmosphere, and stop valve 4 is in normally open.
This water tank siphon breaking plant is when normally using, after draining pump 7 starts, water in water tank 7 flows along outlet pipeline 5 to floor drain 6 after draining pump 7 supercharging, press water is washed the spool of check-valves I 2 open and is formed loop entrance floor drain 6, and press water withstands the spool of check-valves II 3 simultaneously, press water does not spills over；As shown in Figure 1, owing to the height dimension H1 of outlet pipeline 5 extreme higher position is more than the height dimension H2 of liquid level in water tank, therefore after draining pump 7 is shut down, the water being positioned at the outlet pipeline 5 above floor drain 6 flows downward under self gravitation effect, form siphonage and produce negative pressure, negative pressure makes the spool action of check-valves I 2 and check-valves II 3 while incrementally increasing, when the spool of check-valves I 2 is pushed into cut-off state by air atmospheric pressure when stop valve 4 and check-valves II 3 enter outlet pipeline 5, and it is positioned at the outlet pipeline 5 pressure release emptying above floor drain 6, and then form air closure, realize water outlet of water tank and keep water state to this section of outlet pipeline 5 of check-valves I 2, thus realize destroying siphonage, protection draining pump 7 and the purpose of drainage system.
Quickly outlet pipeline 5 is entered through stop valve 4 and check-valves II 3 in order to realize air after draining pump 7 is shut down; as further improvement of the utility model scheme; the length dimension of the described outlet pipeline 5 between floor drain 6 to check-valves II 3 is less than the length dimension of the outlet pipeline 5 between floor drain 6 to check-valves I 2, i.e. negative pressure first acts on check-valves II 3.
Owing to the flap of swing check valve rotates around the shaft, its fluid resistance is generally less than lift check valve, being applicable to the occasion of larger caliber, therefore as further improvement of the utility model scheme, described check-valves I 2 and check-valves II 3 are all swing type structure check-valves.
In order to prevent the port of export of draining pump 7 to be back in water tank 1 to the water in the outlet pipeline 5 between check-valves I 2 because difference in height causes further, as further improvement of the utility model scheme, between the port of export and the check-valves I 2 of described draining pump 7, it is also provided with stop valve 4.
In order to prevent the arrival end of draining pump 7 to be back in water tank 1 to the water in the outlet pipeline 5 between water outlet of water tank because difference in height causes further, as further improvement of the utility model scheme, between arrival end and the water outlet of water tank of described draining pump 7, it is also provided with stop valve 4.
nullThis water tank siphon breaking plant is owing to being provided with check-valves I 2 and check-valves II 3，And on the outlet pipeline 5 of the check-valves I 2 forward port of export that is arranged on draining pump 7、On the three way cock of the water side that check-valves II 3 is inversely arranged on check-valves I 2，Therefore after draining pump 7 is shut down，The water being positioned at the outlet pipeline 5 above floor drain 6 flows downward under self gravitation effect，Form siphonage and produce negative pressure，Negative pressure makes the spool action of check-valves I 2 and check-valves II 3 while incrementally increasing，When the spool of check-valves I 2 is pushed into cut-off state by air atmospheric pressure when stop valve 4 and check-valves II 3 enter outlet pipeline 5、And it is positioned at the outlet pipeline 5 pressure release emptying above floor drain 6，And then form air closure，Realize water outlet of water tank and keep water state to this section of outlet pipeline 5 of check-valves I 2，Thus realize destroying siphonage、Protection draining pump 7 and the purpose of drainage system；This water tank siphon breaking plant realizes destroying the siphonage in outlet pipeline 5 by the check-valves of two incorgruous installations, does not use extra Electronic control, simple in construction, it is easy to accomplish, and it is easy to maintaining.
Claims (5)
- null1. a water tank siphon breaking plant，Including outlet pipeline (5)，It is characterized in that，Also include check-valves I (2) and check-valves II (3)，The water outlet of water tank being positioned at water tank (1) bottom is connected with the arrival end of draining pump (7) by pipeline，The port of export of draining pump (7) is connected with the water intake end of check-valves I (2) by pipeline，Check-valves I (2) forward connects，The water side of check-valves I (2) is connected with a road of the three way cock being positioned at outlet pipeline (5) distance extreme higher position, ground by pipeline，The other two-way of three way cock is respectively by pipeline and check-valves II (3)、Floor drain (6) connects，Check-valves II (3) is inversely installed，The other end of check-valves II (3) is provided with stop valve (4)，The other end of stop valve (4) connects with ambient atmosphere、And stop valve (4) is in normally open.
- Water tank siphon breaking plant the most according to claim 1, it is characterized in that, the length dimension of the outlet pipeline (5) between described floor drain (6) to check-valves II (3) is less than the length dimension of the outlet pipeline (5) between floor drain (6) to check-valves I (2).
- Water tank siphon breaking plant the most according to claim 1 and 2, it is characterised in that described check-valves I (2) and check-valves II (3) are all swing type structure check-valves.
- Water tank siphon breaking plant the most according to claim 1 and 2, it is characterised in that be also provided with stop valve (4) between the port of export and the check-valves I (2) of described draining pump (7).
- Water tank siphon breaking plant the most according to claim 1 and 2, it is characterised in that be also provided with stop valve (4) between arrival end and the water outlet of water tank of described draining pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343066.5U CN205557765U (en) | 2016-04-22 | 2016-04-22 | Water tank siphon destructor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343066.5U CN205557765U (en) | 2016-04-22 | 2016-04-22 | Water tank siphon destructor |
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| Publication Number | Publication Date |
|---|---|
| CN205557765U true CN205557765U (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620343066.5U Active CN205557765U (en) | 2016-04-22 | 2016-04-22 | Water tank siphon destructor |
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| CN (1) | CN205557765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942503A (en) * | 2021-01-29 | 2021-06-11 | 广东傲美智能科技有限公司 | Device for solving siphon |
-
2016
- 2016-04-22 CN CN201620343066.5U patent/CN205557765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942503A (en) * | 2021-01-29 | 2021-06-11 | 广东傲美智能科技有限公司 | Device for solving siphon |
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