CN212612790U

CN212612790U - Normal pressure water supply anti-freezing device

Info

Publication number: CN212612790U
Application number: CN201821509659.XU
Authority: CN
Inventors: 管凤强
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-16
Filing date: 2018-09-16
Publication date: 2021-02-26
Anticipated expiration: 2028-09-16

Abstract

The utility model discloses an ordinary pressure water supply anti-freezing device, which is connected with a water tank of a water supply system, wherein a water outlet pipeline of the water supply system penetrates through a ground frozen soil layer, the water tank is an ordinary pressure water tank arranged in an underground non-frozen soil layer, a water outlet of the water tank is connected with a drainage pump, the drainage pump is a backflow drainage pump, and a water outlet of the drainage pump is connected with the water outlet pipeline; when the drainage pump is started, the water in the water tank is pumped into the water outlet pipeline to be discharged, and when the drainage pump is closed, the water reserved in the frozen soil layer and the area above the frozen soil layer in the water outlet pipeline flows back to the water tank from the drainage pump. The utility model discloses a control backward flow type drain pump open and close the action, will go out the water retention drainage among the water pipeline rapidly, make the water retention flow back to the water tank in, saved the water source, avoided running through frozen soil layer and lie in the freezing and the pipeline problem of breaking of ground part outlet conduit, improved the life of outlet conduit and drain pump greatly.

Description

Normal pressure water supply anti-freezing device

Technical Field

The utility model relates to a water supply technical field, concretely relates to ordinary pressure feedwater freeze-proof device is suitable for chilly rural or outdoor user that needs water in northern area.

Background

With the popularization of tap water, tap water pipes have become an indispensable part. In rural areas, a tap water pipe and a tap are generally installed in courtyards, the outdoor temperature in winter is often below zero, particularly in northern areas, the temperature at night is even as low as minus ten degrees, for example, in northeast areas of China, the coldest outdoor temperature in winter even reaches below minus thirty degrees, water in the water pipe can be frozen frequently, so that people cannot normally use tap water or normally flush toilets for use, even the tap water pipe can be frozen and burst, and farmers can bear economic loss.

The existing common heating mode of people melts ice in the tap water pipe, the whole heat preservation system is complex, the cost is high, the ice problem in the water pipe can be caused if power failure occurs, a large amount of electric energy is consumed when the ice in the water pipe is melted again, thus not only unnecessary troubles are brought to the life of people, but also the problem of pipeline icing can not be fundamentally solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve exist among the above-mentioned background art not enough, avoid appearing frozen ice or tube bursting phenomenon in the water pipe winter is cold, influence the normal use of people's life normal use of water, for this reason, provide a normal pressure feedwater freeze-proof device.

The following technical scheme is adopted:

an ordinary pressure water supply anti-freezing device is connected with a water tank of a water supply system, a water outlet pipeline of the water supply system penetrates through a ground frozen soil layer, the water tank is an ordinary pressure water tank arranged in an underground non-frozen soil layer, a water outlet of the water tank is connected with a water discharge pump, the water discharge pump is a backflow type water discharge pump, and a water outlet of the water discharge pump is connected with the water outlet pipeline; when the drainage pump is started, the water in the water tank is pumped into the water outlet pipeline to be discharged, and when the drainage pump is closed, the reserved water in the water outlet pipeline, which is positioned in the frozen soil layer and above, flows back to the water tank from the drainage pump.

Or preferably, an emptying valve is further arranged on the water outlet pipeline above the drainage pump, and the emptying valve is located in the non-frozen soil layer; starting the drainage pump, and when the emptying valve is closed, pumping water in the water tank into the water outlet pipeline for discharging; and when the drain pump is closed and the emptying valve is opened, the water reserved in the area of the frozen soil layer and above in the water outlet pipeline flows back to the non-frozen soil layer and the water tank through the emptying valve and the drain pump.

Of course, the drainage pump in the utility model is a non-return drainage pump; starting the drainage pump, and when the emptying valve is closed, pumping water in the water tank into the water outlet pipeline for discharging; and when the drainage pump is closed and the emptying valve is opened, the water reserved in the water outlet pipeline in the frozen soil layer and the area above the frozen soil layer flows back to the non-frozen soil layer through the emptying valve.

Furthermore, an emptying pipeline is connected to the emptying valve, and a water outlet of the emptying pipeline is communicated with the water tank; starting the drainage pump, and when the emptying valve is closed, pumping water in the water tank into the water outlet pipeline for discharging; and when the drainage pump is closed and the emptying valve is opened, the reserved water in the water outlet pipeline, which is positioned in the frozen soil layer and above, flows back into the water tank from the emptying pipeline through the emptying valve.

And the water outlet of the water outlet pipeline is positioned in the frozen soil layer or extends out of the frozen soil layer.

Preferably, the drain valve is an electric valve, and the drain pump and the drain valve are respectively electrically connected with an electric control switch arranged on the ground and used for performing linkage control on the drain pump and the drain valve.

Furthermore, the drainage pump, the emptying valve and the electric control switch are respectively electrically connected with a power supply through lines.

Preferably, the electrical control switch is one of a touch switch, an inductive switch, an electronic switch and a time delay switch, and can be used for controlling the opening and closing of the drainage pump and the emptying valve in a linkage manner.

Preferably, the power supply is one of an energy storage battery, a municipal power grid, a wind power supply and a solar power supply, or any complementary combination of the two.

The water supply system is an automatic water supply system, and it includes suction pump and well, the inlet channel of suction pump sets up in the well, the outlet of suction pump with the water tank intercommunication, be equipped with in the water tank with suction pump electric connection's water level switch, suction pump, water level switch respectively with power electric connection, realize the automatic retaining of water tank.

The utility model discloses technical scheme has following advantage:

A. the utility model discloses owing to set up drain pump and ordinary pressure water tank in non-frozen soil layer position, not receive ground temperature's influence, even in the chillest season, drain pump and water tank also can not be because of freezing and be damaged by freezing. The water tank is driven by groundwater through the water supply system, drainage of water in the water tank is achieved through the backflow type drainage pump, when drainage of the water outlet pipeline is stopped, water which is reserved in the water outlet pipeline flows back to the water tank through the backflow type drainage pump, water is saved, the problems of freezing and pipeline breakage of the water outlet pipeline located in a frozen soil layer and above areas are solved, the structure is simple, and the service life of the water outlet pipeline and the service life of the drainage pump are greatly prolonged.

B. The utility model adopts the combination of the non-reflux drainage pump and the emptying pipeline with the emptying valve, when the drainage of the water outlet pipeline is needed, the emptying valve is only needed to be closed, and the drainage pump is opened; when the water outlet pipeline is stopped draining, only the draining pump needs to be closed and the emptying valve is opened, and the emptying valve and the draining pump can be subjected to linkage control through the electric control switch, so that the water can be reserved and drained in time after the water outlet pipeline is stopped, and the water outlet pipeline can be widely applied to cold outdoor places, rural places and northern areas of China.

C. The water supply anti-freezing device provided by the utility model can also be used for outdoor public toilets, including toilet flushing and hand washing; can also be used for the tap water supply system in northern households and other places using water below zero.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a first water supply anti-freezing device provided by the present invention;

fig. 2 is a schematic structural view of a second water supply anti-freezing device provided by the present invention.

Description of reference numerals:

1-Water supply System

11-Water tank

12-water outlet pipe

13-Water suction pump

131-water inlet pipeline

14-well

2-frozen soil layer; 3-non-frozen soil layer; 4, draining the pump; 5-an evacuation valve; 6-evacuation of the line; 7-the ground.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the present invention provides an atmospheric pressure water supply anti-freezing device, which is connected to a water tank 11 of a water supply system 1, wherein a water outlet pipeline 12 of the water supply system 1 penetrates through a ground frozen soil layer 2, i.e. the water outlet pipeline 12 can extend out of the ground 4 from the frozen soil layer 2, and an outlet of the water outlet pipeline 12 can be arranged in the frozen soil layer, and is connected to an outlet end of the water outlet pipeline 12 through a pipeline connecting member, so as to extend out of the frozen soil layer 2; the water outlet pipeline 2 can also be directly led out from the frozen soil layer 3. The water tank 11 is a normal-pressure water tank arranged in the underground non-frozen soil layer 3, the water outlet of the water tank 11 is connected with a drainage pump 4, the drainage pump 4 is a reflux drainage pump, and the water outlet of the drainage pump 4 is connected with a water outlet pipeline 12; when the drainage pump 4 is started, the water in the water tank 11 is pumped into the water outlet pipeline 12 to be discharged, and when the drainage pump 4 is closed, the water reserved in the area of the frozen soil layer 2 in the water outlet pipeline 12 flows back to the water tank 11 from the drainage pump 4 by means of the self gravity.

Because the utility model discloses well adoption ordinary pressure water tank, the water pump that can significantly reduce starts the number of times, improves water pump life. Meanwhile, the backflow type drainage pump is adopted to directly backflow the reserved water in the water outlet pipeline to the water tank, so that water can be greatly saved, the structure is simple, and the cost is low. The backflow type drain pump herein may employ a small-sized water pump.

In addition, the utility model can also adopt the structure shown in fig. 2, the water outlet pipeline 12 above the drainage pump 4 is also provided with an emptying valve 5, and the emptying valve 5 is positioned in the non-frozen soil layer 3; when the drainage pump 4 is started and the emptying valve 5 is closed, the water in the water tank 11 is pumped into the water outlet pipeline 12 and discharged; when the drain pump 4 is closed and the drain valve 5 is opened, the water in the water outlet pipeline 12 in the frozen soil layer 2 and above is returned to the non-frozen soil layer 3 and the water tank 11 through the drain valve 5 and the drain pump 4.

Of course, the above solution can also preferably adopt a non-return type drain pump; when the drainage pump 4 is started and the emptying valve 5 is closed, the water in the water tank 11 is pumped into the water outlet pipeline 12 and discharged; when the drainage pump 4 is closed and the emptying valve 5 is opened, the water in the water outlet pipeline 12 in the frozen soil layer 2 and above is returned to the non-frozen soil layer 3 through the emptying valve 5.

An emptying pipeline 6 can be connected to the emptying valve 5, and the water outlet of the emptying pipeline 6 is communicated with the water tank 11; when the drainage pump 4 is started and the emptying valve 5 is closed, the water in the water tank 11 is pumped into the water outlet pipeline 12 and discharged; when the drain pump 4 is closed and the drain valve 5 is opened, the water in the water outlet pipeline 12 in the area of the frozen soil layer 2 flows back to the water tank 11 from the drain pipeline 6 through the drain valve 5, which helps to save water resources.

The drain valve 5 in the utility model adopts an electric valve, preferably a normally closed electric valve, and the drain pump 4 and the drain valve 5 are respectively electrically connected with an electric control switch arranged on the ground 7 and used for carrying out linkage control on the drain pump 4 and the drain valve 5; the draining pump 4, the emptying valve 5 and the electric control switch are respectively and electrically connected with a power supply through lines.

The utility model discloses owing to set up drain pump 4 and blowoff valve 5 respectively in non-frozen soil layer 3 positions, do not receive subaerial ground temperature's influence, even in chilly season, drain pump 4 and blowoff valve 5 can not frozen yet. Meanwhile, when the drainage pump 4 is closed, the emptying valve 5 is opened, so that the reserved water in the water outlet pipeline 12 in the frozen soil layer 2 and above the frozen soil layer is quickly drained, the problems of freezing and pipeline breakage of the water outlet pipeline 12 penetrating through the frozen soil layer 2 and the ground part of the frozen soil layer are avoided, and the service lives of the water outlet pipeline 12 and the control valve are greatly prolonged.

The utility model provides a water supply system 1 is an automatic water supply system, and it includes outlet pipe way 12, water tank 11, suction pump 13 and well 14, and suction pump 13's inlet pipe 131 sets up in well 14, and suction pump 13's outlet and water tank 11 intercommunication are equipped with in the water tank with suction pump electric connection's water level switch, suction pump, water level switch respectively with power electric connection. And when the water level reaches the upper limit, the water level switch automatically stops the operation of the water pump.

The electrical control switch is preferably one of a touch switch, an inductive switch, an electronic switch and a delay switch, and can be used for controlling the opening and closing of the drainage pump 4 and the evacuation valve 5 in a linkage manner. For example, a photoelectric sensor, a near infrared sensor and the like are adopted, the water supply anti-freezing device is used on a tap water household hand basin in rural areas, a photoelectric sensor can be arranged at the position of a water outlet of the hand basin, the drainage pump 4 and the emptying valve 5 can simultaneously act through induction to realize water outlet of a faucet, when the water outlet is in an un-induction state, the drainage pump 4 is in a closed state, and the emptying valve 5 is in an open state. Of course, the electric control switch can also adopt other switches such as a touch switch, an electronic switch and a time delay switch according to the use requirement.

The utility model can be used in areas with no municipal power grid areas outdoors or in remote areas, and can supply power to the water supply anti-freezing device by combining automatic power generation and energy storage modes without any heating mode, and the electric energy is stored in the energy storage battery to provide power for the electric valve and the water pump by adopting modes of hydroelectric power generation, wind power generation, solar power generation and the like according to local conditions; the utility model discloses the selection mode is nimble, and the application scenario is extensive.

The emptying pipeline, the water outlet pipeline and the water inlet pipeline are required to have certain inclination after being installed, so that the emptying pipeline can automatically flow back into the water tank by gravity when the water is not supplied, water cannot be stored in the water pipe, if the water stored in the overground part can be frozen, and if the water stored in the underground part can influence the overground backwater.

The utility model can be combined with living and using facilities such as a hand basin, a toilet and the like, and can be widely applied to water for outdoor public toilets, including toilet flushing and hand washing; can also be used for indoor tap water supply systems of northern families and other places for outdoor use with water below zero.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. An ordinary pressure water supply anti-freezing device is connected with a water tank (11) of a water supply system (1), and a water outlet pipeline (12) of the water supply system (1) penetrates through a ground frozen soil layer (2), and is characterized in that the water tank (11) is an ordinary pressure water tank arranged in an underground non-frozen soil layer (3), a water outlet of the water tank (11) is connected with a water discharge pump (4), the water discharge pump (4) is a backflow type water discharge pump, and a water outlet of the water discharge pump (4) is connected with the water outlet pipeline (12); when the drainage pump (4) is started, the water in the water tank (11) is pumped into the water outlet pipeline (12) to be discharged, and when the drainage pump (4) is closed, the reserved water in the water outlet pipeline (12) in the frozen soil layer (2) and above is refluxed into the water tank (11) from the drainage pump (4).

2. The atmospheric feedwater antifreeze apparatus of claim 1, wherein an evacuation valve (5) is further provided on the outlet pipe (12) above the drain pump (4), the evacuation valve (5) being located in the non-frozen soil layer (3); when the drainage pump (4) is started and the emptying valve (5) is closed, the water in the water tank (11) is pumped into the water outlet pipeline (12) to be discharged; when the drainage pump (4) is closed and the emptying valve (5) is opened, the reserved water in the water outlet pipeline (12) in the frozen soil layer (2) and above is returned to the non-frozen soil layer (3) and the water tank (11) through the emptying valve (5) and the drainage pump (4).

3. The atmospheric feedwater antifreeze apparatus of claim 2, wherein said drain pump (4) is a non-return type drain pump; when the drainage pump (4) is started and the emptying valve (5) is closed, the water in the water tank (11) is pumped into the water outlet pipeline (12) to be discharged; when the drainage pump (4) is closed and the emptying valve (5) is opened, the reserved water in the water outlet pipeline (12) in the frozen soil layer (2) and above is returned to the non-frozen soil layer (3) through the emptying valve (5).

4. The normal-pressure water supply anti-freezing device is characterized in that an emptying pipeline (6) is further connected to the emptying valve (5), and a water outlet of the emptying pipeline (6) is communicated with the water tank (11); when the drainage pump (4) is started and the emptying valve (5) is closed, the water in the water tank (11) is pumped into the water outlet pipeline (12) to be discharged; when the drainage pump (4) is closed and the emptying valve (5) is opened, the reserved water in the water outlet pipeline (12) in the frozen soil layer (2) and above is returned to the water tank (11) from the emptying pipeline (6) through the emptying valve (5).

5. An atmospheric feedwater antifreeze apparatus as set forth in claim 4 wherein the outlet of said water outlet line (12) is located in said frozen earth (2) or extends out of said frozen earth (2).

6. The normal pressure water supply anti-freezing device according to claim 5, wherein the emptying valve (5) is an electric valve, and the drainage pump (4) and the emptying valve (5) are respectively electrically connected with an electric control switch arranged on the ground (7) and used for performing linkage control on the drainage pump (4) and the emptying valve (5).

7. The atmospheric feedwater antifreeze apparatus of claim 6, wherein the drain pump (4), the drain valve (5) and the electrical control switch are electrically connected to a power source through wires.

8. The normal-pressure water supply anti-freezing device as claimed in claim 7, wherein the electrical control switch is one of a touch switch, an inductive switch, an electronic switch and a time delay switch, and can control the opening and closing of the drainage pump (4) and the evacuation valve (5) in a linkage manner.

9. The atmospheric water supply antifreezing device as defined in claim 8, wherein the power source is one of an energy storage battery, a municipal power grid, a wind power source, a solar power source, or any complementary combination thereof.

10. The normal pressure water supply anti-freezing device according to any one of claims 1-9, wherein the water supply system (1) is an automatic water supply system, which comprises a water pump (13) and a water well (14), a water inlet pipeline (131) of the water pump (13) is disposed in the water well (14), a water outlet of the water pump (13) is communicated with the water tank (11), a water level switch electrically connected with the water pump is disposed in the water tank, and the water pump and the water level switch are respectively electrically connected with a power supply to realize automatic water storage of the water tank.