CN211948675U - No negative pressure device with measurement compensation arrangement - Google Patents
No negative pressure device with measurement compensation arrangement Download PDFInfo
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- CN211948675U CN211948675U CN201922307036.5U CN201922307036U CN211948675U CN 211948675 U CN211948675 U CN 211948675U CN 201922307036 U CN201922307036 U CN 201922307036U CN 211948675 U CN211948675 U CN 211948675U
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Abstract
The utility model provides a no negative pressure device with measurement compensation arrangement, it includes: a flow stabilizing tank; the water tank is provided with a first connecting pipeline and a second connecting pipeline which are connected with the water replenishing port of the steady flow tank and are connected in parallel, the first connecting pipeline is provided with an electromagnetic valve, and the second connecting pipeline is provided with a metering pump; the electric contact pressure gauge arranged on the steady flow tank, the inlet flow monitoring device arranged at the inlet of the steady flow tank, the pressure monitor arranged on the water outlet confluence main pipe and the outlet flow monitoring device are all connected to the control system. The water tank can be automatic carry out the continuous water compensation to the municipal pipe network, has avoided the pipe network ability to be less than "water deficiency nature negative pressure" that produces when the water flow, has solved the problem that traditional vacuum suppressor of installing on the stationary flow jar breathes in from the air and causes quality of water to receive secondary pollution.
Description
Technical Field
The utility model relates to a secondary water supply equipment field especially relates to a no negative pressure device with measurement compensation arrangement.
Background
At present, the vacuum suppressor is generally installed on the top of the steady flow tank in advance in the non-negative pressure water supply equipment in the market, municipal pipe network water enters the steady flow tank through a pipeline, and the water passing through the steady flow tank is pressurized to a user through a water pump. This water supply method has the following disadvantages:
firstly, when negative pressure is generated at the peak of water consumption, in order to protect the municipal pipe network pressure, an electric contact pressure gauge arranged at the connection part of the municipal pipe network feeds back a signal to a control system, and at the moment, the control system can only realize the three modes of stopping the machine, reducing the set or rotating speed, and the three modes are all realized by sacrificing the benefit of water consumption of users.
Secondly, the vacuum suppressor installed on the steady flow tank is actually a suction and exhaust valve, when negative pressure is generated, the vacuum suppressor sucks air from the air to ensure that negative pressure is not generated, and the problem of secondary water quality pollution exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a no negative pressure device with measurement compensation arrangement realizes that the stationary flow jar is automatic to carry out the compensation that lasts the water yield to the municipal pipe network.
The utility model provides a pair of no negative pressure device with measurement compensation arrangement, it includes:
the flow stabilizing tank (4) is provided with a flow stabilizing tank inlet (5), a flow stabilizing tank water replenishing port (6) and a flow stabilizing tank outlet, the flow stabilizing tank outlet is connected with three output pipelines through external pipes, the three output pipelines are connected to a user side through a water outlet confluence main pipe (12), and two output pipelines in the three output pipelines are provided with booster pumps (7);
the water tank (2) is provided with a first connecting pipeline and a second connecting pipeline, the first connecting pipeline is provided with an electromagnetic valve (3), the second connecting pipeline is provided with a metering pump (1), and the first connecting pipeline and the second connecting pipeline are connected to a steady flow tank water replenishing port (6) through pipelines;
the electric contact pressure gauge (8) is arranged on the steady flow tank (4) and is connected with the control system (13);
the inlet flow monitoring device (10) is arranged at the inlet (5) of the flow stabilizing tank and is connected with the control system (13);
and the pressure monitor (9) and the outlet flow monitoring device (11) are arranged on the water outlet confluence main pipe and are connected to the control system (13).
Further, the volume of the water tank is less than 1m3。
Further, the control system is a PLC.
Compared with the prior art, the beneficial effects of the utility model are as follows: the water tank can be automatic carry out continuous water compensation to the municipal pipe network, the "water shortage nature negative pressure" that produces when having avoided the pipe network ability to be less than the water flow has solved the problem that traditional vacuum inhibitor who installs on the stationary flow jar induced quality of water to receive secondary pollution from breathing in the air, simultaneously controlled because "transient flow negative pressure" and produced potential safety hazards such as gasbag, air lock, pressure oscillation, refluence and water hammer, guaranteed the security and the travelling comfort of water supply, reached better energy-conserving effect.
Drawings
Fig. 1 is a schematic view of a non-negative pressure device with a metering compensation device.
Detailed Description
The present invention will now be described in more detail with reference to the drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art could modify the invention herein described while still achieving the beneficial effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
As shown in FIG. 1, the utility model discloses a no negative pressure device with measurement compensation arrangement, it includes: the device comprises a metering pump 1, a water tank 2, an electromagnetic valve 3, a steady flow tank 4, a steady flow tank inlet 5, a steady flow tank water replenishing port 6, a booster pump 7, an electric contact pressure gauge 8, a pressure monitor 9, an inlet flow monitoring device 10, an outlet flow monitoring device 11, a water outlet confluence main pipe 12, a control system 13 and the like.
The steady flow tank 4 is provided with a steady flow tank inlet 5, a steady flow tank water replenishing port 6 and a steady flow tank outlet, the steady flow tank outlet is connected with three-way output pipelines through an external pipe, the three-way output pipelines are connected to a user terminal through a water outlet confluence main pipe 12, a booster pump 7 is installed on two-way output pipelines in the three-way output pipelines, one end of the booster pump 7 is connected with the steady flow tank 4, and the other end of the booster pump is connected with the water outlet confluence main pipe 12 and used for boosting water supply for a terminal user. The input end and the output end of the booster pump are respectively provided with a control valve and a one-way valve, and the output pipeline without the booster pump is provided with the one-way valve.
The water tank 2 is provided with a first connecting pipeline and a second connecting pipeline, the other ends of the first connecting pipeline and the second connecting pipeline which are arranged in parallel are connected to a steady flow tank water replenishing port 6 through pipelines, the first connecting pipeline is provided with an electromagnetic valve 3, the electromagnetic valve 3 is connected to a control system, the second connecting pipeline is provided with a metering pump 1, a control valve is installed at a fluid input end of the metering pump, and a check valve is installed at a fluid output end of the metering pump. The water tank 2 can automatically carry out continuous water quantity compensation on the municipal pipe network, avoid the 'water shortage negative pressure' generated when the pipe network capacity is smaller than the water flow, and the water tank 2 is generally provided with the volume smaller than 1 cube.
And the electric contact pressure gauge 8 is arranged on the steady flow tank 4 and is connected to the control system 13, and the electric contact pressure gauge 8 is used for detecting the water pressure in the steady flow tank 4 in real time.
And the inlet flow monitoring device 10 is arranged at the inlet 5 of the steady flow tank and is connected to the control system 13, and the inlet flow monitoring device 10 is used for detecting the municipal water inflow in real time.
And the pressure monitor 9 and the outlet flow monitoring device 11 are arranged on the water outlet confluence main pipe and are connected to a control system 13, and the pressure monitor 9 arranged on the water outlet confluence main pipe 12 is used for detecting the water pressure of the water outlet confluence main pipe 12 in real time.
During municipal pipe network pressure is normal: when municipal pipe network pressure is normal, measuring pump 1 out of work, by booster pump 7 supplies water for the end user pressure boost. And meanwhile, the electromagnetic valve 3 is opened to supplement water to the water tank 2.
During municipal pipe network pressure fluctuation: when municipal pipe network pressure fluctuates, the inlet flow monitoring device 10 and the outlet flow monitoring device 11 detect the flow in real time, and feed detection data back to the control system 13, the control system 13 sends an operation instruction to the metering pump 1 through the operation of an internal flow logic unit, and the metering pump 1 replenishes water to the steady flow tank 4 according to the instruction of the control system 13, so that the amount of the shortage of the replenishment is reduced, and the steady flow tank 4 is prevented from generating negative pressure.
During municipal pipe network outage: when municipal pipe network cut off the water supply, electric contact pressure gauge 8 detect that steady flow tank 4 inside water pressure is less than the settlement safe value, feed back the testing data control system 13, control system 13 sends the instruction of stopping the operation and gives booster pump 7, the system stops to supply water. And (5) waiting for the municipal pipe network to recover to normal pressure, and continuing to repeat the operation.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (3)
1. A no negative pressure device with measurement compensation arrangement, its characterized in that, it includes:
the flow stabilizing tank (4) is provided with a flow stabilizing tank inlet (5), a flow stabilizing tank water replenishing port (6) and a flow stabilizing tank outlet, the flow stabilizing tank outlet is connected with three output pipelines through external pipes, the three output pipelines are connected to a user side through a water outlet confluence main pipe (12), and two output pipelines in the three output pipelines are provided with booster pumps (7);
the water tank (2) is provided with a first connecting pipeline and a second connecting pipeline, the first connecting pipeline is provided with an electromagnetic valve (3), the second connecting pipeline is provided with a metering pump (1), and the first connecting pipeline and the second connecting pipeline are connected to a steady flow tank water replenishing port (6) through pipelines;
the electric contact pressure gauge (8) is arranged on the steady flow tank (4) and is connected with the control system (13);
the inlet flow monitoring device (10) is arranged at the inlet (5) of the flow stabilizing tank and is connected with the control system (13);
the pressure monitor (9) and the outlet flow monitoring device (11) are arranged on the water outlet confluence main pipe and are connected to the control system (13), and the control system is further connected to the electromagnetic valve (3).
2. A non-negative pressure device with metering and compensating device as claimed in claim 1, wherein the volume of the water tank is less than 1m3。
3. The negative pressure-free device with the metering compensation device is characterized in that the control system is a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307036.5U CN211948675U (en) | 2019-12-19 | 2019-12-19 | No negative pressure device with measurement compensation arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307036.5U CN211948675U (en) | 2019-12-19 | 2019-12-19 | No negative pressure device with measurement compensation arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN211948675U true CN211948675U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922307036.5U Active CN211948675U (en) | 2019-12-19 | 2019-12-19 | No negative pressure device with measurement compensation arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982552A (en) * | 2021-03-15 | 2021-06-18 | 安徽海沃特水务股份有限公司 | Integrated pipe network pressure-superposed energy storage compensation water supply complete equipment |
-
2019
- 2019-12-19 CN CN201922307036.5U patent/CN211948675U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982552A (en) * | 2021-03-15 | 2021-06-18 | 安徽海沃特水务股份有限公司 | Integrated pipe network pressure-superposed energy storage compensation water supply complete equipment |
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