CN220908539U - Water-saving water supply device for urban water supply network - Google Patents
Water-saving water supply device for urban water supply network Download PDFInfo
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- CN220908539U CN220908539U CN202322512980.0U CN202322512980U CN220908539U CN 220908539 U CN220908539 U CN 220908539U CN 202322512980 U CN202322512980 U CN 202322512980U CN 220908539 U CN220908539 U CN 220908539U
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- 210000001503 joint Anatomy 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000008400 supply water Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of public water, and particularly discloses a water-saving water supply device for an urban water supply network, which comprises: one end of the pipe network butt joint pipe is connected with the water inlet end of the water supply pipe network, and the other end of the pipe network butt joint pipe is connected with the water storage pipe; the variable-frequency water pump unit is connected with the middle part of the pipe network butt joint pipe through a first connecting pipe; the water tank comprises a first cavity inner pipe penetrating through the inner wall of the water tank, a water inlet at the lower end of the first cavity inner pipe is lower than a water outlet at the upper end of the water storage pipe, and the water outlet at the upper end of the cavity inner pipe passes through the first water outlet pipe group and the water outlet end of the water supply network; the first connecting pipe is provided with a water pressure sensor which is electrically connected with the variable-frequency water pump unit; has the following advantages: the water pressure and the water supply quantity of the user side are more balanced and stable, the utilization rate of water resources can be increased, waste caused by overhigh water pressure is avoided, and the effect of saving the water resources in the water supply network is achieved.
Description
Technical Field
The utility model relates to the technical field of public water, in particular to a water-saving water supply device for an urban water supply network.
Background
Urban water supply network refers to a pipeline network system for supplying water to residents, enterprises and public facilities in cities. It is composed of a large number of main and branch pipelines, covering various areas of the whole city.
The main function of the urban water supply network is to convey clean water source generated by a water source area or a water treatment plant to the place where water supply is needed. It supplies water to users by delivering the water source from a water treatment plant through a series of pipes to different wells, towers or tanks, and by distributing the water to different sites through faucets and water meters.
Urban water supply networks are typically designed taking into account several factors:
Water supply amount and demand: the diameter and capacity of the water supply pipeline are determined according to the population number of the city and the change condition of water demand.
Geographical conditions: the layout of the pipes needs to take into account the topography, traffic etc. to ensure that the water supply can cover all corners of the city.
And (3) material selection: the water supply pipe may be made of various materials such as steel, cast iron, concrete or plastic, and the specific choice is made in view of the use, durability and cost of the pipe.
And (3) pipe network operation management: the urban water supply network needs to carry out regular maintenance and overhaul work so as to ensure that the pipeline is unobstructed, the water supply quality is good and the problem of pipeline leakage or damage is timely repaired.
However, the existing municipal pipe network has unstable matching condition between the pressure of the municipal pipe network and the set pressure and the user demand, so that water flow is hard to occur when the supply pressure is too high, water waste at the user end occurs, and the water flow is slow and tiny when the supply pressure is too low, so that the normal demand of the user is difficult to meet.
Therefore, a water-saving water supply device for an urban water supply network is provided to solve the problems.
Disclosure of utility model
The utility model aims to provide a water-saving water supply device for an urban water supply network, which solves or improves at least one of the technical problems.
In view of the above, a first aspect of the present utility model is to provide a water saving and supplying device for an urban water supply network.
A first aspect of the present utility model provides a water saving and supply device for an urban water supply network, comprising: the pipe network is connected with the pipe network butt joint pipe, the first connecting pipe, the variable-frequency water pump unit, the water storage pipe, the water tank and the first water outlet pipe group; one end of the pipe network butt joint pipe is connected with the water outlet end of the water supply pipe network, and the other end of the pipe network butt joint pipe is connected with the water storage pipe; the variable-frequency water pump unit is connected with the middle part of the pipe network butt joint pipe through the first connecting pipe; the water tank comprises a first cavity inner pipe penetrating through the inner wall of the water tank, a water inlet at the lower end of the first cavity inner pipe is lower than a water outlet at the upper end of the water storage pipe, and the water outlet at the upper end of the first cavity inner pipe passes through the first water outlet pipe group and the water inlet end of the water supply pipe network; the first connecting pipe is provided with a water pressure sensor, and the water pressure sensor is electrically connected with the variable-frequency water pump unit.
In any of the above solutions, the first water outlet pipe group includes: one end of the second connecting pipe is connected with the water outlet at the upper end of the first cavity inner pipe; one end of the first water outlet pipe is connected with the other end of the second connecting pipe, and the other end of the first water outlet pipe is connected with the water outlet end of the water supply network; the safety valve is arranged on the first water outlet pipe.
In any of the above solutions, the first water outlet pipe group further includes: the two ends of the first U-shaped branch pipe are respectively connected with the second connecting pipe and the first water outlet pipe; the first stop valve is respectively arranged on the first water outlet pipe and the first U-shaped branch pipe.
In any of the above technical solutions, the water tank further includes a second inner cavity pipe penetrating through the inner wall of the water tank, a water inlet at the lower end of the second inner cavity pipe is located at the top of the inner cavity of the water tank, and a water outlet at the upper end of the second inner cavity pipe is fixedly connected with a second water outlet pipe group.
In any of the above solutions, the second water outlet pipe group includes: one end of the third connecting pipe is connected with the water outlet at the upper end of the second cavity inner pipe; one end of the second water outlet pipe is connected with the other end of the second water outlet pipe group, and the other end of the second water outlet pipe is connected with the water outlet end of the water supply network; and the standby water pump is arranged on the second water outlet pipe.
In any of the above solutions, the second water outlet pipe group further includes: the two ends of the second U-shaped branch pipe are respectively connected with the second water outlet pipe; the second stop valve is arranged on the second U-shaped branch pipe; and the standby water pump is positioned between two ends of the second U-shaped branch pipe along the axial direction of the second water outlet pipe.
In any of the above technical solutions, the water tank further comprises a circulating pipe group, and the circulating pipe group is respectively connected with the top and the bottom of the water tank.
In any of the above technical solutions, the circulation tube set includes: the circulating water pump is arranged on the outer wall of the water tank; one end of the first circulating pipe is connected with a water inlet of the circulating water pump, and the other end of the first circulating pipe is connected with the bottom of the water tank; one end of the second circulating pipe is connected with the water outlet of the circulating water pump, and the other end of the second circulating pipe is connected with the top of the water tank.
In any of the above technical solutions, the first connecting pipe is provided with a water pressure sensor, and the water pressure sensor is electrically connected with the variable-frequency water pump unit.
Compared with the prior art, the utility model has the following beneficial effects:
The sensor can continuously monitor the flow or pressure and other working parameters required by the water pump and send the signals to the frequency converter; according to the signals provided by the sensor, the frequency converter correspondingly adjusts the power frequency, so that the rotating speed of the motor is changed; the motor is controlled by the frequency converter and then operates at a proper rotational speed. When the flow or pressure needs to be increased, the frequency converter can increase the rotation speed of the motor, and conversely, the rotation speed is reduced. The frequency converter can adjust the rotating speed of the motor according to actual demands, so that the water pump works more efficiently under different load conditions, and the aim of saving energy is fulfilled.
Through setting up the water tank can be when water supply network pressure is too high, through first intracavity pipe with the amount port difference in height between the aqua storage tube, accumulate a portion of water in the water tank, when water supply network water pressure is not enough, start by the variable frequency water pump unit and supply with extra water pressure to the pipe network to provide the supply water volume that is higher than water supply network under the low pressure state to the user in the short time through the water that accumulates in the water tank, make the water pressure and the supply water volume of user side more balanced and stable, can increase the utilization ratio of water resource, avoid the waste when water pressure is too high, play the effect of saving the water resource in the water supply network.
Additional aspects and advantages of embodiments according to the utility model will be apparent from the description which follows, or may be learned by practice of embodiments according to the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the water tank and its connection structure after half-section;
FIG. 3 is a schematic view of a second water outlet pipe set and a connection structure thereof according to the present utility model;
FIG. 4 is a schematic view of a first water outlet pipe set and a connection structure thereof according to the present utility model;
FIG. 5 is a schematic view of the circulation tube set and the connection structure thereof according to the present utility model.
The correspondence between the reference numerals and the component names in fig. 1 to 5 is:
The water pressure sensor comprises a 1 pipe network butt joint pipe, a 2 first connecting pipe, a 3 variable-frequency water pump unit, a 4 water storage pipe, a 5 water tank, a 501 first cavity inner pipe, a 502 second cavity inner pipe, a 6 first water outlet pipe group, a 601 second connecting pipe, a 602 first water outlet pipe, a 603 safety valve, a 604 first U-shaped branch pipe, a 605 stop valve, a 7 second water outlet pipe group, a 701 third connecting pipe, a 702 second water outlet pipe, a 703 standby water pump, a 704 second U-shaped branch pipe, a 705 second stop valve, an 8 circulating pipe group, a 801 circulating water pump, an 802 first circulating pipe, an 803 second circulating pipe and a 9 water pressure sensor.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
Referring to fig. 1 to 5, a water saving and supplying apparatus for a municipal water supply network according to some embodiments of the utility model will be described.
An embodiment of the first aspect of the present utility model provides a water saving and supply device for an urban water supply network. In some embodiments of the utility model, as shown in FIGS. 1-5, the apparatus comprises:
Pipe network is to take over 1, first connecting pipe 2, frequency conversion water pump unit 3, aqua storage pipe 4, water tank 5 and first play water nest of tubes 6.
One end of the pipe network butt joint pipe 1 is connected with the water outlet end of the water supply pipe network, and the other end of the pipe network butt joint pipe 1 is connected with the water storage pipe 4.
The variable-frequency water pump unit 3 is connected with the middle part of the pipe network butt joint pipe 1 through a first connecting pipe 2.
The water tank 5 comprises a first cavity inner pipe 501 penetrating through the inner wall of the water tank 5, a water inlet at the lower end of the first cavity inner pipe 501 is lower than a water outlet at the upper end of the water storage pipe 4, and the water outlet at the upper end of the first cavity inner pipe 501 is connected with the water inlet end of the water supply pipe network through a first water outlet pipe group 6;
The first connecting pipe 2 is provided with a water pressure sensor 9, and the water pressure sensor 9 is electrically connected with the variable-frequency water pump unit 3.
The utility model provides a water-saving water supply device for an urban water supply network, which comprises a variable frequency water pump unit, wherein the variable frequency water pump unit comprises a frequency converter, and the rotating speed of a motor and the motor are regulated by changing the frequency of a power supply: the water pump unit generally adopts an induction motor as a driving device, the rotating speed of the motor is controlled through a frequency converter, and a pressure sensor is arranged: the variable-frequency water pump unit is provided with sensors of flow, pressure or other parameters, is used for real-time water supply of the working state of the pipe network, is provided with sensors of flow, pressure or other parameters, and is used for real-time monitoring of the working states of the water pump and the water supply pipe network, so that the variable-frequency water pump unit can be regulated according to different water supply pressure conditions of the pipe network.
The device is arranged between a water supply network and a water supply network for a butt joint water user, and is particularly connected with a water outlet end of the water supply network and a water inlet end of the water supply network through a pipe network butt joint pipe, wherein a water outlet at the upper end of the cavity inner pipe is connected with a water inlet end of the water supply network through a first water outlet pipe group.
Through setting up the water tank can be when water supply network pressure is too high, through first intracavity pipe with the amount port difference in height between the aqua storage tube, accumulate a portion of water in the water tank, when water supply network water pressure is not enough, start by the variable frequency water pump unit and supply with extra water pressure to the pipe network to provide the supply water volume that is higher than water supply network under the low pressure state to the user in the short time through the water that accumulates in the water tank, make the water pressure and the supply water volume of user side more balanced and stable, can increase the utilization ratio of water resource, avoid the waste when water pressure is too high, play the effect of saving the water resource in the water supply network.
In any of the above embodiments, the first water outlet pipe group 6 includes:
And one end of the second connecting pipe 601 is connected with the water outlet at the upper end of the first cavity inner pipe 501.
One end of the first water outlet pipe 602 is connected with the other end of the second connecting pipe 601, and the other end of the first water outlet pipe 602 is connected with the water outlet end of the water supply network.
A safety valve 603 is provided on the first water outlet pipe 602.
In this embodiment, the first lumen tube, the second connection tube and the first water outlet tube are sequentially communicated to perform the transfer of the supplied water, and the safety valve is provided to enable the safety protection of the first water outlet tube.
In any of the above embodiments, the first water outlet pipe group 6 further includes:
and the first U-shaped branch pipe 604, and two ends of the first U-shaped branch pipe 604 are respectively connected with the second connecting pipe 601 and the first water outlet pipe 602.
A first shut-off valve 605 is provided on the first outlet pipe 602 and the first U-branch pipe 604, respectively.
In this embodiment, the first U-shaped branch pipe is provided to perform additional backup on the pipeline flowing in the middle of the first water outlet pipe, and when a fault that the middle of the first water outlet pipe is blocked occurs, the first U-shaped branch pipe is started to ensure continuous supply of the supply water.
In any of the above embodiments, the water tank 5 further includes a second inner cavity pipe 502 penetrating through the inner wall of the water tank 5, a water inlet at the lower end of the second inner cavity pipe 502 is located at the top of the inner cavity of the water tank 5, and a water outlet at the upper end of the second inner cavity pipe 502 is fixedly connected with the second water outlet pipe group 7.
In this embodiment, through setting up the second intracavity pipe at water tank inner wall top, when the water tank appears overfilling, start second intracavity pipe and second play water nest of tubes, can carry out the discharge of the accumulation of water supply of water tank inner top to carry out extra water to outside, avoid water tank inside water supply overfilling to lead to the water tank impaired.
In any of the above embodiments, the second water outlet pipe group 7 includes:
And one end of the third connecting pipe 701 is connected with the water outlet at the upper end of the second cavity inner pipe 502.
And one end of the second water outlet pipe 702 is connected with the other end of the second water outlet pipe group 7, and the other end of the second water outlet pipe 702 is connected with the water outlet end of the water supply network.
A backup water pump 703 is disposed on the second outlet pipe 702.
In this embodiment, the second intracavity pipe, third connecting pipe and second outlet pipe are inside to communicate in proper order, can carry out initiative supply water through setting up the reserve water pump on the second outlet pipe and discharge, and specific accessible second outlet pipe links to each other with other user's point positions in the water supply network, carries out extra water supply, can enough avoid the damage of water tank, also can improve the utilization ratio of water resource.
In any of the above embodiments, the second water outlet pipe group 7 further includes:
and two ends of the second U-shaped branch pipe 704 are respectively connected with the second water outlet pipe 702.
A second shut-off valve 705 is provided on the second U-branch pipe 704.
Wherein, along the axis direction of the second water outlet pipe, the standby water pump 703 is located between two ends of the second U-shaped branch pipe 704.
In this embodiment, by providing the second U-shaped branch pipe on the second water outlet pipe, additional backup is performed, and the second U-shaped branch pipe can be started to ensure continuous supply of the supply water when a fault of blocking occurs in the middle of the second water outlet pipe.
In any of the above embodiments, the circulation pipe group 8 is further included, and the circulation pipe group 8 is connected to the top and bottom of the water tank 5, respectively.
In this embodiment, by providing a circulation pipe group connected to the top and bottom of the water tank, the water inside the water tank can be periodically or remotely controlled to be started, so as to avoid the occurrence of dead water at the bottom of the water tank, resulting in a decrease in quality of the supplied water.
In any of the above embodiments, the circulation tube group 8 includes:
The circulating water pump 801 is installed on the outer wall of the water tank 5.
One end of the first circulating pipe 802 is connected with the water inlet of the circulating water pump 801, and the other end of the first circulating pipe 802 is connected with the bottom of the water tank 5.
One end of the second circulating pipe 803 is connected with the water outlet of the circulating water pump 801, and the other end of the second circulating pipe 803 is connected with the top of the water tank 5.
In this embodiment, when the circulation water pump is started, the water supplied from the bottom of the water tank passes through the first circulation pipe, the circulation water pump, and the second circulation pipe in this order, and finally flows back into the water tank.
Another embodiment of the first aspect of the present utility model provides a water supply method for a water saving and supply device of a municipal water supply network. In some embodiments of the utility model, the method comprises:
The water supply in the water supply network sequentially passes through the pipe network butt joint pipe and the water storage tank to reach the water tank, and continuously accumulates until the water level reaches the water inlet at the lower end of the first cavity inner pipe, the water supply sequentially enters the first cavity inner pipe, the second connecting pipe and the first water outlet pipe, and flows into the water supply network connected with a water supply user through the water outlet end of the first water outlet pipe to supply water to the water supply user.
In water supply, when water in the water supply network is equal to the set water pressure, the variable-frequency water pump unit does not work;
When the water in the water supply network is greater than the set water pressure, the first cavity inner pipe is finally communicated with the water client, so that the supply water extracted from the first cavity inner pipe is smaller than the supply water discharged from the water storage pipe, and the supply water is increased in the water tank;
When the water in the water supply network is smaller than the set water pressure, the first cavity inner pipe is finally communicated with the water client, so that the supply water extracted by the first cavity inner pipe is larger than the supply water discharged by the water storage pipe, and the supply water is reduced in the water tank;
in the repeated fluctuation of the water pressure of the water supply hanging net, the water supply and the pressure balance are realized.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. A water saving and supply device for an urban water supply network, comprising: the device comprises a pipe network butt joint pipe (1), a first connecting pipe (2), a variable-frequency water pump unit (3), a water storage pipe (4), a water tank (5) and a first water outlet pipe group (6);
One end of the pipe network butt joint pipe (1) is connected with the water outlet end of the water supply pipe network, and the other end of the pipe network butt joint pipe (1) is connected with the water storage pipe (4);
The variable-frequency water pump unit (3) is connected with the middle part of the pipe network butt joint pipe (1) through the first connecting pipe (2);
The water tank (5) comprises a first cavity inner pipe (501) penetrating through the inner wall of the water tank (5), a water inlet at the lower end of the first cavity inner pipe (501) is lower than a water outlet at the upper end of the water storage pipe (4), and the water outlet at the upper end of the first cavity inner pipe (501) is connected with the water inlet end of a water supply pipe network through the first water outlet pipe group (6);
the variable-frequency water pump unit comprises a first connecting pipe (2), wherein a water pressure sensor (9) is arranged on the first connecting pipe (2), and the water pressure sensor (9) is electrically connected with the variable-frequency water pump unit (3).
2. Water saving and supply device for urban water supply networks according to claim 1, characterized in that said first water outlet group (6) comprises:
one end of the second connecting pipe (601) is connected with a water outlet at the upper end of the first cavity inner pipe (501);
One end of the first water outlet pipe (602) is connected with the other end of the second connecting pipe (601), and the other end of the first water outlet pipe (602) is connected with the water outlet end of the water supply network;
and a safety valve (603) arranged on the first water outlet pipe (602).
3. The water saving and supply device for urban water supply network according to claim 2, characterized in that said first water outlet pipe group (6) further comprises:
The two ends of the first U-shaped branch pipe (604) are respectively connected with the second connecting pipe (601) and the first water outlet pipe (602);
And the first stop valve (605) is respectively arranged on the first water outlet pipe (602) and the first U-shaped branch pipe (604).
4. The water saving and supplying device for urban water supply network according to claim 1, wherein the water tank (5) further comprises a second inner cavity pipe (502) penetrating through the inner wall of the water tank (5), a lower end water inlet of the second inner cavity pipe (502) is positioned at the top of the inner cavity of the water tank (5), and an upper end water outlet of the second inner cavity pipe (502) is fixedly connected with a second water outlet pipe group (7).
5. The water saving and supply device for urban water supply network according to claim 4, characterized in that said second water outlet tube group (7) comprises:
One end of a third connecting pipe (701) is connected with a water outlet at the upper end of the second cavity inner pipe (502);
One end of the second water outlet pipe (702) is connected with the other end of the second water outlet pipe group (7), and the other end of the second water outlet pipe (702) is connected with the water outlet end of the water supply network;
and the standby water pump (703) is arranged on the second water outlet pipe (702).
6. The water saving and supply device for urban water supply network according to claim 5, characterized in that said second water outlet tube group (7) further comprises:
the two ends of the second U-shaped branch pipe (704) are respectively connected with the second water outlet pipe (702);
A second stop valve (705) disposed on the second U-shaped branch pipe (704);
And the standby water pump (703) is positioned between two ends of the second U-shaped branch pipe (704) along the axial direction of the second water outlet pipe.
7. The water saving and supplying device for urban water supply network according to claim 1, characterized by further comprising a circulation tube group (8), said circulation tube group (8) being connected to the top and bottom of said tank (5), respectively.
8. The water saving and supply device for urban water supply networks according to claim 7, characterized in that said circulation tube group (8) comprises:
the circulating water pump (801) is arranged on the outer wall of the water tank (5);
One end of the first circulating pipe (802) is connected with a water inlet of the circulating water pump (801), and the other end of the first circulating pipe (802) is connected with the bottom of the water tank (5);
one end of the second circulating pipe (803) is connected with the water outlet of the circulating water pump (801), and the other end of the second circulating pipe (803) is connected with the top of the water tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322512980.0U CN220908539U (en) | 2023-09-15 | 2023-09-15 | Water-saving water supply device for urban water supply network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322512980.0U CN220908539U (en) | 2023-09-15 | 2023-09-15 | Water-saving water supply device for urban water supply network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220908539U true CN220908539U (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322512980.0U Active CN220908539U (en) | 2023-09-15 | 2023-09-15 | Water-saving water supply device for urban water supply network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220908539U (en) |
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2023
- 2023-09-15 CN CN202322512980.0U patent/CN220908539U/en active Active
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