SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the water tap is easy to freeze in the prior art, the utility model provides a novel anti-freezing water supply device and method, which can solve the problem of frost heaving of the water tap.
The utility model adopts the technical scheme as follows:
an anti-freezing water supply device comprises a gate valve, a check valve, a faucet and a tee joint; the gate valve comprises a valve body and a valve rod, wherein the valve body is arranged in a tap water pipe network below the ground, and the valve rod extends out of the ground; the water inlet end of the gate valve is communicated with a tap water pipe network; the outlet end of the gate valve is connected with the first opening end of the tee joint, the faucet is connected with the second opening end of the tee joint through a pipeline, and the check valve is connected with the opening end of the third pipe of the tee joint; when the ground temperature is lower than 0 ℃, the gate valve is opened, the check valve is closed under the condition of water pressure, and the water tap discharges water; the gate valve is closed after water is taken, the water pressure in the water pipe is rapidly reduced, the check valve is opened, and the stored water in the water pipe is discharged from the outlet, so that when water is not taken, the water is not stored in the pipe above the freezing ground, the freezing can not be generated, and the freezing problem of tap water in cold regions can be solved.
As a further technical solution, the valveLength of the rod is h1And h2Determine where h is1Is the maximum frozen soil burial depth of the local; h is2Is the installation height of a special gate valve handle.
As a further technical proposal, when the water pressure is more than P1When the valve is closed, the check valve is closed; when the water pressure is less than P1When the check valve is opened, the water in the water pipe can be discharged; p is a radical of1=ρgh3ρ is the density of water; g is the acceleration of gravity, h3Is the distance between the faucet and the position of the three-way valve.
As a further technical scheme, the three-way valve and the check valve are both arranged under the ground, and the height from the ground is h1;h1Is the maximum frozen soil burial depth of the local.
The utility model also provides a water taking method based on the anti-freezing water supply device;
when the ground temperature is higher than 0 ℃, the gate valve is in a long-term open state under the condition that tap water is not frozen, the check valve is closed under the condition of water pressure, water is taken through closing and closing of the water faucet, and the use method of the water faucet is the same as that of a normal tap water pipe.
When the ground temperature is lower than 0 ℃, tap water can freeze without flowing, and under the condition, the anti-freezing device is started, the faucet is in a long-term open state, and water taking is controlled by opening and closing the gate valve. The water taking process comprises the following steps: the gate valve is opened, the check valve is closed under the condition of water pressure, and the water tap discharges water; the gate valve is closed after water is taken, the water pressure in the water pipe is rapidly reduced, the check valve is opened, and the stored water in the water pipe is discharged from the outlet, so that when water is not taken, the water is not stored in the pipe above the freezing ground, the freezing can not be generated, and the freezing problem of tap water in cold regions can be solved.
The utility model has the advantages as follows:
the utility model has simple integral structure, and only adds a gate valve, a check valve and a tee joint compared with the prior equipment; the whole device is low in use cost and convenient to install, and can realize anti-freezing only by adding a gate valve, a check valve and a tee joint in the existing pipe network; and the operation is simple, and the popularization value is very wide.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as described in the background of the invention, the frost crack problem of the water tap in the prior art is solved by the present application, which provides an anti-freezing water supply device.
As shown in fig. 1, the embodiment discloses an anti-freezing water supply device, which comprises a gate valve 1, a check valve 3, a water tap 2 and a tee joint 4;
the gate valve 1 comprises a valve body and a valve rod 6, wherein the valve body is arranged in a tap water pipe network below the ground, and the valve rod 6 extends out of the ground; the gate valve in the embodiment is a specially-made gate valve, and is different from the existing gate valve in that the existing valve rod is lengthened mainly for the purpose of squareIs operated on the ground, and the length of the valve rod is h1And h2Determining; h is1Is the maximum frozen soil burial depth h of the local2The installation height of a special gate valve handle is set; it is thus obtained that the length of the valve stem is at least greater than the maximum frozen earth burial depth. h is2The value of (b) can be set according to the height of the operator, etc.
The gate valve comprises a water inlet end and a water outlet end, wherein the water inlet end is positioned on the left side of the drawing and the water outlet end is positioned on the right side of the drawing as shown in fig. 1; the water inlet end on the left side of the gate valve is communicated with the existing tap water pipe network; the outlet end on the right side of the gate valve is connected with a first opening end of a tee joint 4, a water faucet 2 is connected with a second opening end of the tee joint through a pipeline 5, and a check valve 3 is connected with the opening end of a third pipe of the tee joint; specifically, referring to fig. 1, the outlet end on the right side of the gate valve is connected with the left open end of a tee joint 4, a faucet 2 is connected with the upper open end of the tee joint through a pipeline 5, and a check valve 3 is connected with the right open end of the tee joint.
The check valve has the functions that: when the water pressure is more than P1When the valve is closed, the check valve 3 is closed; when the water pressure is less than P1When the water pipe is opened, the check valve 3 is opened, and water in the water pipe can be discharged; p is a radical of1=ρgh3ρ is the density of water; g is the acceleration of gravity, h3Is the distance between the faucet and the position of the tee joint; if the distance between the faucet and the tee joint is 2m, the water stop valve is closed when the water pressure is greater than 1.96MP, and the water stop valve is opened when the water pressure is less than 1.96MP, so that water in the water pipe can be discharged.
The utility model discloses an anti-freezing principle is: when the ground temperature is lower than 0 ℃, the gate valve is opened, the check valve is closed under the condition of water pressure, and the water tap discharges water; the gate valve is closed after water is taken, the water pressure in the water pipe is rapidly reduced, the check valve is opened, and the stored water in the water pipe is discharged from the outlet, so that when water is not taken, the water is not stored in the pipe above the freezing ground, the freezing can not be generated, and the freezing problem of tap water in cold regions can be solved.
Furthermore, the tee joint 4 and the check valve 3 are both arranged under the ground, so that the tee joint 4 and the check valve 3 are prevented from being frozen when water exists, and the height of the tee joint from the ground is h1Wherein h is1Is the maximum frozen soil burial depth of the local.
When the ground temperature is lower than 0 ℃, the gate valve is opened, the check valve is closed under the condition of water pressure, and the water tap discharges water; the gate valve is closed after water is taken, the water pressure in the water pipe is rapidly reduced, the check valve is opened, and the stored water in the water pipe is discharged from the outlet, so that when water is not taken, the water is not stored in the pipe above the freezing ground, the freezing can not be generated, and the freezing problem of tap water in cold regions can be solved.
When the ground temperature is higher than 0 ℃, the gate valve is in a long-term open state under the condition that tap water is not frozen, the check valve is closed under the condition of water pressure, water is taken through closing and closing of the water faucet, and the use method of the water faucet is the same as that of a normal tap water pipe.
When the ground temperature is lower than 0 ℃, tap water can freeze without flowing, and under the condition, the anti-freezing device is started, the faucet is in a long-term open state, and water taking is controlled by opening and closing the gate valve. The water taking process comprises the following steps: the gate valve is opened, the check valve is closed under the condition of water pressure, and the water tap discharges water; the gate valve is closed after water is taken, the water pressure in the water pipe is rapidly reduced, the check valve is opened, and the stored water in the water pipe is discharged from the outlet, so that when water is not taken, the water is not stored in the pipe above the freezing ground, the freezing can not be generated, and the freezing problem of tap water in cold regions can be solved.
The utility model has simple integral structure, and only adds a gate valve, a check valve and a tee joint compared with the prior equipment; the whole device is low in use cost and convenient to install, and anti-freezing can be realized only by adding a gate valve, a check valve and a tee joint in the existing pipe network.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.