CN213741324U - Non-negative pressure water supply equipment - Google Patents
Non-negative pressure water supply equipment Download PDFInfo
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- CN213741324U CN213741324U CN202022385414.4U CN202022385414U CN213741324U CN 213741324 U CN213741324 U CN 213741324U CN 202022385414 U CN202022385414 U CN 202022385414U CN 213741324 U CN213741324 U CN 213741324U
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Abstract
The utility model discloses a non-negative pressure water supply device, which comprises a steady flow tank, a steady flow tank water outlet pipe connected with the bottom of the steady flow tank, a water pump connected with the steady flow tank water outlet pipe, and a water pump water outlet header pipe connected with the water pump, wherein a water inlet and a vacuum suppressor are arranged above the steady flow tank; and a high-pressure cavity is arranged above the steady flow tank, and harmless inert gas is pre-filled in the high-pressure cavity. The utility model discloses a further vacuum suppression of dual vacuum suppression function lets equipment more stable, prevents the mechanical fatigue that the water pressure unstability caused, equipment life and running water stability greatly increased, whole the control not with the air contact, municipal pipe network safety ring more.
Description
Technical Field
The utility model relates to a water supply equipment field specifically indicates a no negative pressure water supply equipment.
Background
The non-negative pressure water supply equipment is a pressurized water supply unit, is directly connected with a municipal water supply network, and is serially connected with a pressure-superposed water supply system on the basis of the residual pressure of the municipal pipe network to ensure that the pressure of the municipal pipe network is not less than the set protection pressure (the set pressure must be higher than the pressure requirement of a direct supply area of a community and is generally not less than 1.2 Kg). The core of the non-negative pressure water supply equipment is how to prevent negative pressure from generating in the operation process of the secondary pressurized water supply system, eliminate the influence of unit operation on the municipal pipe network, and realize safe, reliable, stable and water supply on the premise of ensuring that the water consumption of nearby users is not influenced. The existing non-negative pressure water supply equipment generally adopts a vacuum suppressor, tap water enters a steady flow tank, air in the tank is discharged from the vacuum suppressor, the vacuum suppressor can be automatically closed after the steady flow tank is full of water, when negative pressure is formed in the steady flow tank, an air inlet valve of the vacuum suppressor is opened, the atmosphere enters the steady flow tank, and the negative pressure is eliminated. The existing mode still has the condition of unstable water flow.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a no negative pressure water supply equipment.
In order to solve the technical problem, the utility model provides a technical scheme is a no negative pressure water supply equipment: the vacuum pump comprises a steady flow tank, a steady flow tank water outlet pipe connected with the bottom of the steady flow tank, a water pump connected with the steady flow tank water outlet pipe, and a water pump water outlet header pipe connected with the water pump, wherein a water inlet and a vacuum suppressor are arranged above the steady flow tank; and a high-pressure cavity is arranged above the steady flow tank, and harmless inert gas is pre-filled in the high-pressure cavity.
As an improvement, the water outlet header pipe of the water pump comprises a main water outlet pipe, a branch water outlet pipe and a straight-through pipe, wherein the branch water outlet pipe and the straight-through pipe are arranged between the main water outlet pipe and the water pump, one end of the branch water outlet pipe is connected with a water outlet of the water pump, the other end of the branch water outlet pipe is connected with the main water outlet pipe, one end of the straight-through pipe is connected with a water outlet of a steady flow tank, the other end of the straight-through pipe is connected with the main water outlet pipe, and a water outlet pressure acquisition meter is arranged on the main water outlet pipe.
As an improvement, the water dividing pipe is sequentially provided with a check valve, a soft joint and a butterfly valve from the end close to the water pump to the other end, and the straight-through pipe is provided with the check valve.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses a further vacuum suppression of dual vacuum suppression function lets equipment more stable, prevents the mechanical fatigue that the water pressure unstability caused, equipment life and running water stability greatly increased, whole the control not with the air contact, municipal pipe network safety ring more.
Drawings
Fig. 1 is a schematic structural view of the non-negative pressure water supply equipment of the present invention.
Fig. 2 is an enlarged partial sectional view at a of fig. 1.
As shown in the figure: 1. the device comprises a flow stabilizing tank, 2, a flow stabilizing tank water outlet pipe, 3, a water pump, 4, a water inlet, 5, a vacuum suppressor, 6, a high-pressure cavity, 7, a main water outlet pipe, 8, a branch water outlet pipe, 9, a straight-through pipe, 10, an outlet water pressure acquisition meter, 11, harmless inert gas, 12 and municipal water.
Detailed Description
The following will explain the non-negative pressure water supply device of the present invention in detail with reference to the attached drawings.
With reference to the attached figures 1-2, the non-negative pressure water supply equipment comprises a steady flow tank 1, a steady flow tank water outlet pipe 2 connected with the bottom of the steady flow tank 1, a water pump 3 connected with the steady flow tank water outlet pipe 2, and a water pump water outlet header pipe connected with the water pump 3, wherein a water inlet 4 and a vacuum suppressor 5 are arranged above the steady flow tank 1; and a high-pressure cavity 6 is arranged above the flow stabilizing tank 1, and harmless inert gas is pre-filled in the high-pressure cavity 6.
The water pump water outlet header pipe comprises a main water outlet pipe 7, a branch water outlet pipe 8 and a straight-through pipe 9, the branch water outlet pipe 8 and the straight-through pipe 9 are arranged between the main water outlet pipe 7 and the water pump 3, one end of the branch water outlet pipe 8 is connected with a water outlet of the water pump 3, the other end of the branch water outlet pipe 8 is connected with the main water outlet pipe 7, one end of the straight-through pipe 9 is connected with a water outlet pipe 2 of a steady flow tank, the other end of the straight-through pipe 9 is connected with the main water outlet pipe 7, and a water outlet pressure acquisition meter 10 is arranged on the main water outlet pipe 7.
The water dividing pipe 8 is sequentially provided with a check valve, a soft joint and a butterfly valve from the end close to the water pump 3 to the other end, and the straight-through pipe 9 is provided with the check valve.
The utility model discloses when concrete implementation, municipal water gets into stationary flow jar 1 through water inlet 4, and the air in stationary flow jar 1 is discharged from vacuum suppressor 5, treats that water is full of the back, and vacuum suppressor 5 will self-closing. When the municipal water inlet pressure is too low, harmless inert gas in the high-pressure cavity 6 intervenes to inhibit vacuum; when the amount stored in the flow stabilization tank 1 is insufficient through calculation, negative pressure is formed in the flow stabilization tank 1, an air inlet valve of the vacuum suppressor 5 is opened, and the atmosphere enters the flow stabilization tank 1 through the vacuum suppressor 5, so that the vacuum suppressor 5 is involved in suppressing vacuum.
The utility model discloses a further vacuum suppression of dual vacuum suppression function lets equipment more stable, prevents the mechanical fatigue that the water pressure unstability caused, equipment life and running water stability greatly increased, whole the control not with the air contact, municipal pipe network safety ring more.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (3)
1. A non-negative pressure water supply equipment is characterized in that: the device comprises a steady flow tank (1), a steady flow tank water outlet pipe (2) connected with the bottom of the steady flow tank (1), a water pump (3) connected with the steady flow tank water outlet pipe (2), and a water pump water outlet header pipe connected with the water pump (3), wherein a water inlet (4) and a vacuum suppressor (5) are arranged above the steady flow tank (1);
and a high-pressure cavity (6) is arranged above the flow stabilizing tank (1), and harmless inert gas is pre-filled in the high-pressure cavity (6).
2. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: the water pump water outlet header pipe comprises a main water outlet pipe (7), a branch water outlet pipe (8) and a straight-through pipe (9) are arranged between the main water outlet pipe (7) and a water pump (3), one end of the branch water outlet pipe (8) is connected with a water outlet of the water pump (3), the other end of the branch water outlet pipe (8) is connected with the main water outlet pipe (7), one end of the straight-through pipe (9) is connected with a water outlet pipe (2) of a steady flow tank, the other end of the straight-through pipe (9) is connected with the main water outlet pipe (7), and a water outlet pressure acquisition meter (10) is arranged on the main water outlet pipe (7).
3. A non-negative pressure water supply apparatus as claimed in claim 2, wherein: the water dividing pipe (8) is sequentially provided with a check valve, a soft joint and a butterfly valve from the end close to the water pump (3) to the other end, and the straight-through pipe (9) is provided with the check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385414.4U CN213741324U (en) | 2020-10-23 | 2020-10-23 | Non-negative pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385414.4U CN213741324U (en) | 2020-10-23 | 2020-10-23 | Non-negative pressure water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213741324U true CN213741324U (en) | 2021-07-20 |
Family
ID=76852587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022385414.4U Active CN213741324U (en) | 2020-10-23 | 2020-10-23 | Non-negative pressure water supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213741324U (en) |
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2020
- 2020-10-23 CN CN202022385414.4U patent/CN213741324U/en active Active
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