CN210369147U - Volume adjusting device for non-negative pressure tank - Google Patents
Volume adjusting device for non-negative pressure tank Download PDFInfo
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- CN210369147U CN210369147U CN201920385658.7U CN201920385658U CN210369147U CN 210369147 U CN210369147 U CN 210369147U CN 201920385658 U CN201920385658 U CN 201920385658U CN 210369147 U CN210369147 U CN 210369147U
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Abstract
The utility model relates to a volume adjusting device of a non-negative pressure tank, which comprises a non-negative pressure tank, a volume adjusting device, a water inlet manifold, a water outlet manifold, a pressurizing branch and a bypass branch; the non-negative pressure tank is provided with a first water inlet, a second water inlet and a water outlet, and a water inlet pressure transmitter is arranged on the non-negative pressure tank; the volume adjusting device comprises an air pressure tank, a first gate valve, a liner, an electromagnetic valve and a second gate valve, wherein the liner is arranged in the non-negative pressure tank, the air pressure tank, the first gate valve and the liner are sequentially connected, a water outlet of the liner, the electromagnetic valve, the second gate valve and a second water inlet of the non-negative pressure tank are sequentially connected, and a water pressure transmitter controls the electromagnetic valve to be opened and closed; the water outlet of the non-negative pressure tank is communicated with a water inlet manifold, and the bypass branch and at least one pressurizing branch are connected between the water inlet manifold and the water outlet manifold; the water outlet header is provided with a water outlet pressure transmitter which controls the start and stop of the pressurizing branch; the problem of municipal water pressure's unstability has been solved.
Description
Technical Field
The utility model relates to a secondary water supply field especially relates to a no negative pressure jar volume adjusting device.
Technical Field
At present, the non-negative pressure water supply equipment is used under the condition that the municipal pipe network water supply capacity is sufficient, and when the water pressure is insufficient, the non-negative pressure water supply equipment is used for secondary increase to supply water to high-rise buildings. When municipal water pressure fluctuation is large, the regulation is carried out through the non-negative pressure tank, the regulation capacity of the regulation is related to the volume of the non-negative pressure tank, and in order to regulate the large fluctuation of the municipal water pressure, the volume of the non-negative pressure tank needs to be enlarged, so that the non-negative pressure tank is too large in volume and inconvenient to install, and the regulation capacity of the non-negative pressure tank is limited.
SUMMERY OF THE UTILITY MODEL
To municipal water pressure's unstability, the utility model provides a no negative pressure jar volume adjusting device adjusts municipal water pressure, guarantees to last stable water supply.
The utility model provides a scheme that above-mentioned problem adopted is: the volume adjusting device of the non-negative pressure tank comprises the non-negative pressure tank, the volume adjusting device, a water inlet manifold, a water outlet manifold, a pressurizing branch and a bypass branch;
the non-negative pressure tank is provided with a first water inlet, a second water inlet and a water outlet, and a water inlet pressure transmitter is arranged on the non-negative pressure tank;
the volume adjusting device comprises an air pressure tank, a first gate valve, a liner, an electromagnetic valve and a second gate valve, the liner is arranged in the non-negative pressure tank, the air pressure tank, the first gate valve and the liner are sequentially connected, a water outlet of the liner, the electromagnetic valve, the second gate valve and a second water inlet of the non-negative pressure tank are sequentially connected, and a water inlet pressure transmitter controls the electromagnetic valve to be opened and closed;
the water outlet of the non-negative pressure tank is communicated with a water inlet manifold, and the bypass branch and at least one pressurizing branch are connected between the water inlet manifold and the water outlet manifold;
and the water outlet header is provided with a water outlet pressure transmitter which controls the start and stop of the pressurizing branch.
Further, the pressurization branch road is including the first butterfly valve, water pump, first rubber lamella check valve, the second butterfly valve that connect gradually, and first butterfly valve inserts into the water header, and the second butterfly valve inserts out the water header, and the opening of outlet water pressure transmitter control water pump stops.
Furthermore, the bypass branch comprises a third butterfly valve, a second rubber flap check valve and a third gate valve, the two ends of the third butterfly valve and the second rubber flap check valve are respectively connected with the water inlet manifold and the water outlet manifold after being connected, the water inlet of the third gate valve is connected with the water outlet manifold, and the water outlet of the third gate valve is connected with the water inlet of the inner container.
Furthermore, two ends of the water pump are respectively connected with the first rubber soft connector and the second rubber soft connector.
Furthermore, a negative pressure vacuum gauge and a negative pressure suppressor are further installed on the non-negative pressure tank, and the negative pressure suppressor controls the starting and stopping of the water pump.
Furthermore, still install shock-resistant manometer and pressure switch on the outlet manifold, pressure switch controls opening of water pump and stops.
Compared with the prior art, the utility model discloses a have beneficial effect as follows: the utility model discloses a pressure regulator, including the bypass pipe, the bypass pipe is connected with the bypass pipe, the. When the solenoid valve open time is longer, then think that municipal pressure supplies water inadequately for a long time, should close the solenoid valve, when no negative pressure jar water pressure reduces, then automatic stop pump, treat that municipal pressure is normal when, automatic pump that starts resumes normal water supply.
Drawings
FIG. 1 is a schematic view of a non-negative pressure tank volume adjustment device of the present invention;
FIG. 2 is a schematic view of the volume adjusting device of the present invention;
FIG. 3 is a front view of the present invention without a negative pressure canister;
FIG. 4 is a side view of the present invention without a negative pressure canister;
FIG. 5 is a top view of the present invention without the negative pressure canister;
FIG. 6 is a front view of the inner container of the present invention;
in the figure: the device comprises a first water inlet 1, a negative pressure vacuum gauge 2, a water inlet pressure transmitter 3, a negative pressure suppressor 4, a non-negative pressure tank 5, a volume adjusting device 6, a water outlet 7 of the non-negative pressure tank, a third gate valve 8, a first butterfly valve 9, a first rubber soft joint 10, a water pump 11, a second rubber soft joint 12, a first rubber flap check valve 13, a second butterfly valve 14, a shock-resistant pressure gauge 15, a pressure switch 16, a water outlet pressure transmitter 17, a water inlet manifold 18, a third butterfly valve 19, a water outlet manifold 20, an air pressure tank 21, a first gate valve 22, an inner container 23, an electromagnetic valve 24, a second gate valve 25, a water inlet 26 of the inner container, a second rubber flap check valve 27 and a second water inlet 28.
Detailed Description
The function of the volume control device without a negative pressure tank will be described in further detail below by way of specific embodiments.
As shown in fig. 1-6, the utility model provides a volume adjusting device for a non-negative pressure tank, which comprises a non-negative pressure tank 5, a volume adjusting device 6, a water inlet manifold 18, a water outlet manifold 20, a pressurizing branch and a bypass branch;
the non-negative pressure tank 5 is provided with a first water inlet 1, a second water inlet 28 and a water outlet 7, and the non-negative pressure tank 5 is provided with a water inlet pressure transmitter 3;
the volume adjusting device 6 comprises an air pressure tank 21, a first gate valve 22, an inner container 23, an electromagnetic valve 24 and a second gate valve 25, the inner container 23 is arranged in the non-negative pressure tank 5, the air pressure tank 21, the first gate valve 22 and the inner container 23 are sequentially connected, a water outlet of the inner container 23, the electromagnetic valve 24, the second gate valve 25 and a second water inlet 28 of the non-negative pressure tank 5 are sequentially connected, and the water pressure transmitter 3 controls the opening and closing of the electromagnetic valve 24;
the water outlet 7 of the non-negative pressure tank is communicated with a water inlet manifold 18, a bypass branch and at least one pressurizing branch are connected between the water inlet manifold 18 and a water outlet manifold 20, three pressurizing branches are shown in figure 1, two of the three pressurizing branches are normally used at ordinary times, the other pressurizing branch is used for standby, one pressurizing branch is used when the water consumption is low, two pressurizing branches are used simultaneously when the water consumption is high, and the standby pressurizing branch is used when one pressurizing branch is damaged or overhauled.
And the water outlet header 20 is provided with a water outlet pressure transmitter 17, and the water outlet pressure transmitter 17 controls the start and stop of the pressurizing branch.
The pressurization branch road is including the first butterfly valve 9, the water pump 11, first rubber lamella check valve 13, the second butterfly valve 14 that connect gradually, and first butterfly valve 9 inserts into water inlet manifold 18, and second butterfly valve 14 inserts out water outlet manifold 20, and the start-stop of water pump 11 is controlled to play water pressure transmitter 17.
The bypass branch comprises a third butterfly valve 19, a second rubber flap check valve 13 and a third gate valve 8, two ends of the third butterfly valve 19 and the second rubber flap check valve 27 are respectively connected with a water inlet manifold 18 and a water outlet manifold 20, a water inlet of the third gate valve 8 is connected with the water outlet manifold 20, and a water outlet of the third gate valve 8 is connected with a water inlet of the inner container.
In order to reduce the vibration of the water pump and avoid noise, two ends of the water pump 11 are respectively connected with a first rubber soft joint 10 and a second rubber soft joint 12.
In order to display the water inlet pressure and prevent the non-negative pressure tank from forming negative pressure and influencing the municipal pipe network pressure, the non-negative pressure tank 5 is further provided with a negative pressure vacuum meter 2 and a negative pressure suppressor 4, and the negative pressure suppressor 4 controls the start and stop of the water pump 11.
In order to display water pressure and protect pipeline safety and avoid pipe explosion caused by overlarge water outlet pressure, a shock-proof pressure gauge 15 and a pressure switch 16 are further installed on the water outlet header 20, and the pressure switch 16 controls the start and stop of the water pump 11.
The working principle of the utility model is as follows: during normal water supply, municipal tap water enters the non-negative pressure tank 5 through the first water inlet 1, then passes through the water outlet 7 of the non-negative pressure tank to the water inlet manifold 18, and then is pressurized through the pressurizing branch pipe consisting of the first butterfly valve 9, the first rubber soft joint 10, the water pump 11, the second rubber soft joint 12, the first rubber flap check valve 13 and the second butterfly valve 14, and then is collected to the water outlet manifold 20 to a user. Wherein negative pressure vacuum table 2, pressure transmitter 3, negative pressure inhibitor 4 monitor into water pressure, when pressure transmitter 3 detects municipal water pressure low into, water pump 11 shuts down, treats that municipal water pressure resumes normal time water pump 11 opens. When the pressure of the non-negative pressure tank 5 is lower than the minimum protection value, the negative pressure suppressor 4 controls the water pump to carry out shutdown protection.
The shock-proof pressure gauge 15, the pressure switch 16 and the water outlet pressure transmitter 17 monitor the water outlet pressure, the water pump 11 is controlled through the water outlet pressure transmitter 17, the water outlet pressure is kept within a set value range, and the water pump is shut down and protected when the pressure switch 16 detects that the water outlet pressure is higher than a maximum protection value.
When municipal water pressure is low or water supply is insufficient, namely water yield is greater than water inflow, the non-negative pressure tank 5 has a certain adjusting effect on water inflow, water stored in the non-negative pressure tank can appropriately supplement difference values, the size of the non-negative pressure tank is determined according to the design flow of 30-300 s, but the volume of the non-negative pressure tank is limited, and when a higher adjusting volume is required, the non-negative pressure tank needs a very large volume, so that the installation is inconvenient, and the occupied space is too large.
After the volume adjusting device without the negative pressure tank is used, the adjusting volume of the negative pressure tank can be increased under the condition of not changing the volume of the negative pressure tank. The working mode is as follows, when the water pressure is detected to be low by the water inlet pressure transmitter 3, the electromagnetic valve 24 is opened, the water is supplemented to the non-negative pressure tank 5, the water pump is stopped when the stable water inlet pressure is not lower than the minimum set value, and when the electromagnetic valve 24 is detected to be opened for a long time, the water pump is normally set between 1min and 5min according to the specific conditions of the project, the water inlet quantity is judged to be actually insufficient, and the machine is stopped for protection. Wherein the air pressure tank 21 and the first gate valve 22 play a role of buffering when the non-negative pressure tank 5 is replenished with water.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A volume adjusting device of a non-negative pressure tank is characterized by comprising the non-negative pressure tank, the volume adjusting device, a water inlet manifold, a water outlet manifold, a pressurizing branch and a bypass branch; the non-negative pressure tank is provided with a first water inlet, a second water inlet and a water outlet, and a water inlet pressure transmitter is arranged on the non-negative pressure tank; the volume adjusting device comprises an air pressure tank, a first gate valve, a liner, an electromagnetic valve and a second gate valve, the liner is arranged in the non-negative pressure tank, the air pressure tank, the first gate valve and the liner are sequentially connected, a water outlet of the liner, the electromagnetic valve, the second gate valve and a second water inlet of the non-negative pressure tank are sequentially connected, and a water inlet pressure transmitter controls the electromagnetic valve to be opened and closed; the water outlet of the non-negative pressure tank is communicated with a water inlet manifold, and the bypass branch and at least one pressurizing branch are connected between the water inlet manifold and the water outlet manifold; and the water outlet header is provided with a water outlet pressure transmitter which controls the start and stop of the pressurizing branch.
2. The volume adjusting device without the negative pressure tank as claimed in claim 1, wherein the pressurizing branch comprises a first butterfly valve, a water pump, a first rubber flap check valve and a second butterfly valve which are connected in sequence, the first butterfly valve is connected into the water inlet manifold, the second butterfly valve is connected into the water outlet manifold, and the water outlet pressure transmitter controls the start and stop of the water pump.
3. The volume adjusting device of the non-negative pressure tank as claimed in claim 2, wherein the bypass branch comprises a third butterfly valve, a second rubber flap check valve and a third gate valve, the third butterfly valve and the second rubber flap check valve are connected and then both ends are respectively connected to the water inlet manifold and the water outlet manifold, the water inlet of the third gate valve is connected to the water outlet manifold, and the water outlet of the third gate valve is connected to the water inlet of the inner container.
4. The volume adjusting device without the negative pressure tank as claimed in claim 2, wherein two ends of the water pump are respectively connected with a first rubber soft joint and a second rubber soft joint.
5. The volume adjusting device of claim 3, wherein a negative pressure vacuum gauge and a negative pressure suppressor are further mounted on the non-negative pressure tank, and the negative pressure suppressor controls the start and stop of the water pump.
6. The volume adjusting device without the negative pressure tank as claimed in claim 5, wherein the outlet manifold is further provided with a shock-proof pressure gauge and a pressure switch, and the pressure switch controls the start and stop of the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385658.7U CN210369147U (en) | 2019-03-25 | 2019-03-25 | Volume adjusting device for non-negative pressure tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920385658.7U CN210369147U (en) | 2019-03-25 | 2019-03-25 | Volume adjusting device for non-negative pressure tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210369147U true CN210369147U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920385658.7U Active CN210369147U (en) | 2019-03-25 | 2019-03-25 | Volume adjusting device for non-negative pressure tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210369147U (en) |
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2019
- 2019-03-25 CN CN201920385658.7U patent/CN210369147U/en active Active
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