CN216616058U - Parallelly connected no negative pressure water supply equipment of installation - Google Patents
Parallelly connected no negative pressure water supply equipment of installation Download PDFInfo
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- CN216616058U CN216616058U CN202123134764.4U CN202123134764U CN216616058U CN 216616058 U CN216616058 U CN 216616058U CN 202123134764 U CN202123134764 U CN 202123134764U CN 216616058 U CN216616058 U CN 216616058U
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Abstract
The utility model discloses a non-negative pressure water supply device installed in parallel, which comprises: the system comprises a user pipeline and a non-negative pressure water supply mechanism connected with the user pipeline in parallel; a flow controller, a first pressure transmitter and a check valve are sequentially arranged on the user pipeline along the water supply direction; the non-negative pressure water supply mechanism comprises a flow stabilizing tank communicated with a user pipeline, a water pump group connected with the flow stabilizing tank and a non-negative pressure pipeline connected with the water pump group, the non-negative pressure pipeline is communicated with the user pipeline, the non-negative pressure pipeline is sequentially provided with a pressure stabilizing tank, a butterfly valve and an electric valve along the water feeding direction, and the flow stabilizing tank is provided with a vacuum suppressor. According to the utility model, the pressurized water supply of the secondary water supply equipment is started in a time-sharing peak staggering manner, the municipal pressure is fully utilized, the energy is saved, and the water supply safety is ensured.
Description
Technical Field
The utility model relates to the technical field of secondary water supply, in particular to non-negative-pressure water supply equipment which is installed in parallel.
Background
At present, high-rise buildings, small high-rise buildings and high-land centralized communities in China are increasingly dense, the water supply pressure of an original urban pipe network system cannot meet the water supply requirement, and a secondary water supply mode is widely used under the background. With the use of a large amount of secondary water supply equipment, the phenomena of non-standard water supply, water pollution, unreasonable municipal incoming water pressure utilization, energy waste and the like are generated in the practical use due to the water supply mode, the equipment quality, the equipment maintenance and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the non-negative-pressure water supply equipment which is installed in parallel, realize the pressurized water supply of the secondary water supply equipment started in a time-sharing and peak-shifting manner, fully utilize the municipal pressure, save the energy and ensure the water supply safety. To achieve the above objects and other advantages in accordance with the present invention, there is provided a non-negative pressure water supply apparatus installed in parallel, comprising:
the system comprises a user pipeline and a non-negative-pressure water supply mechanism connected with the user pipeline in parallel;
a flow controller, a first pressure transmitter and a check valve are sequentially arranged on the user pipeline along the water supply direction;
the non-negative pressure water supply mechanism comprises a flow stabilizing tank communicated with a user pipeline, a water pump group connected with the flow stabilizing tank and a non-negative pressure pipeline connected with the water pump group, the non-negative pressure pipeline is communicated with the user pipeline, the non-negative pressure pipeline is sequentially provided with a pressure stabilizing tank, a butterfly valve and an electric valve along the water feeding direction, and the flow stabilizing tank is provided with a vacuum suppressor.
Furthermore, the water pump group comprises a first water pump, a second water pump and a third water pump, the first water pump, the second water pump and the third water pump are connected in parallel, a first valve is installed at one end of the first water pump, one end of the second water pump and one end of the third water pump, and a first check valve and a second valve are installed at the other end of the first water pump, the second water pump and the third water pump.
Further, a floater is arranged in the flow stabilization tank, the floater is in contact with a port of the vacuum suppressor, and a signaler is arranged in the floater.
Furthermore, a second pressure transmitter and an overpressure protector are installed on the non-negative pressure pipeline.
Furthermore, the device also comprises a non-negative pressure control cabinet, wherein the non-negative pressure control cabinet is connected with a first pressure transmitter, a first water pump, a second water pump, a third water pump, an overpressure protector, a second pressure transmitter, a floater and an electric valve.
Compared with the prior art, the utility model has the beneficial effects that: through make full use of municipal water pressure, when municipal water pressure was sufficient, utilize municipal pressure directly to supply water for the user, when municipal water pressure was not enough, switch board control motorised valve was opened, and the water supply after the pressurization of secondary water supply equipment is passed through to the user water. Realized the timesharing peak staggering like this and started secondary water supply equipment pressurization water supply, make full use of municipal pressure, both saved the energy, ensured water supply safety again, when the water level in the surge tank was gone up to the upper limit liquid level, the water pump automatic start, low liquid level auto-stop has just so formed how much the municipal administration, just supplies how much water for the user, and can not destroy municipal pressure to municipal pipe network safety has been protected.
Drawings
Fig. 1 is a schematic structural view of a parallel-installed non-negative pressure water supply apparatus according to the present invention.
In the figure: 1. a negative pressure-free control cabinet; 2. a first pressure transmitter; 3. a check valve; 4. a vacuum suppressor; 5. a flow stabilizing tank; 6. a first water pump; 7. a second water pump; 8. a third water pump; 9. a surge tank; 10. an electrically operated valve; 11. a butterfly valve; 12. an over-voltage protector; 13. a flow controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a non-negative pressure water supply apparatus installed in parallel includes: the system comprises a user pipeline and a non-negative-pressure water supply mechanism connected with the user pipeline in parallel, wherein a flow controller 13, a first pressure transmitter 2 and a check valve 3 are sequentially installed on the user pipeline along the water supply direction, when the municipal incoming water pressure is normal and the water quantity is sufficient, the flow controller 13 is started, and a water pump uses the municipal incoming water pressure to supply water in a relay manner, so that the purpose of saving energy by using less lift work is achieved; no negative pressure water supply mechanism include with user's pipeline intercommunication stationary flow jar 5, with stationary flow jar 5 connection the water pump assembly and with water pump assembly's no negative pressure pipeline, no negative pressure pipeline is linked together with user's pipeline, no negative pressure pipeline is last along sending water direction in proper order stationary flow jar 9, butterfly valve 11 and motorised valve 10, install vacuum suppressor 4 on stationary flow jar 5, when municipal water supply pressure is not enough, stationary flow jar 5 pressurization at this moment supplies water to the user, avoids being used for not enough water supply, and vacuum suppressor 4 opens simultaneously moreover, and the municipal administration supplies water to stationary flow jar 5 in simultaneously.
Further, the water pump group comprises a first water pump 6, a second water pump 7 and a third water pump 8, the first water pump 6, the second water pump 7 and the third water pump 8 are connected in parallel, a first valve is installed at one end of the first water pump 6, one end of the second water pump 7 and one end of the third water pump 8, a first check valve and a second valve are installed at the other end of the first water pump, and the water pump protection device protects the water pumps.
Further, a floater is arranged in the steady flow tank 5, the floater is in contact with a port of the vacuum suppressor 4, a signaler is arranged in the floater, when water in the steady flow tank 5 is in a full state, the floater and the vacuum suppressor 4 are in a contact state, when the steady flow tank 5 starts to supply water, the water level in the steady flow tank 5 is reduced, the floater is separated from the vacuum suppressor 4, and at this time, the vacuum suppressor 4 starts to work.
Further, a second pressure transmitter and an overpressure protector 12 are installed on the non-negative pressure pipeline to perform multiple protection on the non-negative pressure water supply mechanism.
Further, the system comprises a non-negative pressure control cabinet 1, wherein the non-negative pressure control cabinet 1 is connected with a first pressure transmitter 2, a first water pump 6, a second water pump 7, a third water pump 8, an overpressure protector 12, a second pressure transmitter, a floater and an electric valve 10, when the municipal water pressure is reduced to the lowest service pressure value, the pressure transmitter 2 at the rear end of a flow controller 13 sends a pressure signal into the non-negative pressure control cabinet 1, a PLC in the non-negative pressure control cabinet 1 closes the flow controller 13 according to a programming instruction, at the moment, instant vacuum is generated in front of an inlet section of a water pump set, a vacuum suppressor 4 is opened under the action of the instant vacuum, air is filtered in the vacuum suppressor 4 through activated carbon to enter a steady flow tank 5 to achieve the effect of breaking the vacuum, the water level of the steady flow tank 5 is rapidly reduced, and when the water level is reduced to the upper liquid level, the signal is transmitted to the non-negative pressure control cabinet 1, the PLC in the non-negative pressure control cabinet 1 instructs the flow controller 13 to be opened according to the program.
At this moment municipal water comes and pours into stationary flow jar 5 into through self gravity flow, and the upper end has also produced the layer that flows absolutely in stationary flow jar 5 simultaneously to reach protection municipal pipe network safety. Two working conditions can occur at the moment when the municipal water supply is larger than the required amount, firstly, the air in the tank can be gradually removed, and the cutoff layer is eliminated to reach the initial state. The second operating mode is that municipal water supply is less than the demand to the liquid level is descending gradually in stationary flow jar 5, when dropping to minimum liquid level, shuts down the protection. At this time, the municipal administration does not stop water, and tap water is filled into the tank.
The number of devices and the scale of the processes described herein are intended to simplify the description of the utility model, and applications, modifications and variations of the utility model will be apparent to those skilled in the art.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (5)
1. A non-negative pressure water supply apparatus installed in parallel, comprising:
the system comprises a user pipeline and a non-negative-pressure water supply mechanism connected with the user pipeline in parallel;
a flow controller (13), a first pressure transmitter (2) and a check valve (3) are sequentially arranged on the user pipeline along the water supply direction;
the non-negative pressure water supply mechanism comprises a flow stabilizing tank (5) communicated with a user pipeline, a water pump set connected with the flow stabilizing tank (5) and a non-negative pressure pipeline connected with the water pump set, wherein the non-negative pressure pipeline is communicated with the user pipeline, the non-negative pressure pipeline is sequentially provided with a pressure stabilizing tank (9), a butterfly valve (11) and an electric valve (10) along a water supply direction, and the flow stabilizing tank (5) is provided with a vacuum suppressor (4).
2. The water supply equipment without negative pressure installed in parallel according to claim 1, wherein the water pump group comprises a first water pump (6), a second water pump (7) and a third water pump (8), the first water pump (6), the second water pump (7) and the third water pump (8) are arranged in parallel, one end of each of the first water pump (6), the second water pump (7) and the third water pump (8) is provided with a first valve, and the other end of each of the first water pump (6), the second water pump (7) and the third water pump (8) is provided with a first check valve and a second valve.
3. A parallel-mounted non-negative pressure water supply apparatus according to claim 1, wherein a float is provided in the steady flow tank (5), the float being in contact with a port of the vacuum suppressor (4), and a annunciator being provided in the float.
4. A parallel-mounted non-negative-pressure water supply apparatus according to claim 1, wherein the non-negative-pressure pipe is mounted with a second pressure transmitter and an overpressure protector (12).
5. A water supply installation without negative pressure installed in parallel according to any of claims 1-4, characterized in that it further comprises a control cabinet without negative pressure (1), said control cabinet without negative pressure (1) is connected with a first pressure transmitter (2), a first water pump (6), a second water pump (7), a third water pump (8), an overpressure protector (12), a second pressure transmitter, a float and an electric valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134764.4U CN216616058U (en) | 2021-12-14 | 2021-12-14 | Parallelly connected no negative pressure water supply equipment of installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123134764.4U CN216616058U (en) | 2021-12-14 | 2021-12-14 | Parallelly connected no negative pressure water supply equipment of installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216616058U true CN216616058U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123134764.4U Active CN216616058U (en) | 2021-12-14 | 2021-12-14 | Parallelly connected no negative pressure water supply equipment of installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216616058U (en) |
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2021
- 2021-12-14 CN CN202123134764.4U patent/CN216616058U/en active Active
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