CN201302319Y - Automatic recovery and water absorption device - Google Patents

Abstract

An automatic recovery and water absorption device, including a cold water tower, a hot water tower of a solar water heater, a cold water recovery container, pipelines connecting them, and an automatic control valve. The floating ball in the recovery container is combined with the lever and then connected with the valve plug push-pull rod to form an automatic control valve; the automatic control valve can also be a spring installed under the bottom of the cold water recovery container, the bottom of which is connected with the lever, and then connected with the valve plug push-pull rod Composed of automatic control valves. The utility model solves the problem that the cold water in the pipeline is directly recycled to the cold water pipeline for reuse during the water use process of the solar water heater, avoids the waste of water resources, does not require electric energy, is convenient to use, and has a simple structure.

Description

Automatic recovery and water absorption device

technical field

The utility model relates to a recycling technology of cold water in pipelines of solar water heaters.

Background technique

Solar water heaters have been widely used in places where the sun shines for a long time. It is an energy-saving technology that makes full use of solar energy to solve domestic hot water. In the solar water heater installed in the high-rise buildings in the city, because the pipeline from the water heater water tank to the water outlet of the user is long, every time the hot water is used, the cold water in the pipeline needs to be discharged before the hot water can be used. Just cause the waste of water resource. Although some users adopt buckets or basins to receive the cold water for reuse, it is also inconvenient. Most users will let the cold water flow into the sewer pipeline and drain it uselessly. This has become a deficiency in the energy-saving advantages of solar water heaters. Although there is a method of adopting an electric water pump to pump the drained water to the cooling tower for reuse, it needs to consume electric energy, and the automatic power supply will be started when the water is released, and its structure is more complicated and has its shortcomings.

Contents of the invention

The purpose of this utility model is to provide an automatic recovery and water absorption device installed in the pipeline of the solar water heater to solve the problem of cold water loss in the pipeline before using hot water, and at the same time, it does not need to consume electric energy.

The specific plan is as follows:

An automatic recovery and water absorption device, including a cold water tower, a hot water tank of a solar water heater, a cold water recovery container and the pipelines connecting them and an automatic control valve. The recovery container and the floating ball and lever in it are combined with the valve plug to form an automatic control valve. The automatic control valve can also be an automatic control valve formed by installing a spring under the bottom of the cold water recovery container, the bottom of which is connected with a lever, and then connected with a valve plug.

The automatic control valve includes a valve body, a water inlet, a water outlet, a valve cavity with a valve plug installed in the valve body, a check valve cavity with a check valve plug installed, and the water inlet, the water outlet, the valve cavity and the check The valve chambers communicate with each other. A push-pull connecting rod is connected to the midpoint of the upper end of the valve plug installed in the valve cavity of the automatic control valve, and the upper end of the connecting rod is connected to the lever. Then install a convertible double outlet valve at the user's hot water outlet on the solar water heater outlet pipeline, so that it can be used to discharge the cold water in the pipeline to the cold water recovery container, and then close the cold water outlet in time after the cold water is discharged and turn on the hot water. Water outlet.

It can be realized that when the water storage in the cold water recovery container reaches the design weight or water level, the automatic valve is closed to block the cold water in the cooling tower from flowing out, and the user uses the recovered water in the cold water recovery container. When the water level in the cold water recovery container drops or the weight decreases to the design value, the automatic valve opens, and the one-way valve in the pipeline from the cold water recovery container to the automatic valve closes, and the cold water used by the user returns to the normal water supply state provided by the cooling water tower.

The utility model solves the problem that the cold water in the pipeline is directly recycled to the cold water pipeline for reuse during the water use process of the solar water heater, avoids the waste of water resources, does not need electric energy, is convenient to use, and has a simple structure.

Description of drawings

Figure 1 is a schematic diagram of the installation and use of the automatic recovery and water absorption device in the solar hot water pipeline;

Fig. 2 is a structural schematic diagram of the automatic valve formed by combining the valve plug and its lever with the floating ball.

Detailed ways

Below in conjunction with accompanying drawing, as embodiment of the present utility model, technical solution is described in detail.

With reference to Fig. 2, the automatic control valve that the utility model uses, comprises two parts to the check valve that come from the valve of cold water tower pipeline control and switch cold water recovery container pipeline. The inner cavity of the valve is made with a water inlet 15 communicated with the cold water tower pipeline, a water inlet 20 communicated with the cold water recovery container pipeline and a water outlet 18. Among them, the automatic valve plug 14 is installed in the inner cavity of the water inlet connected to the pipeline of the cooling tower, and the push-pull rod 16 of the valve plug passes through the valve body and stretches out of the valve body 17, and is connected with the control lever 12; the check valve plug 19 is installed In the inner cavity of the water inlet 20 communicated with the pipeline of the cold water recovery container.

With reference to Fig. 1, 2, the utility model adopts automatic control valve 3 to connect the outlet pipe of the cold water recovery container and the solar water heater water tank, and the automatic control valve 3 is installed on the cold water pipeline between the cold water tower 4 and the user's water valve 1. When installing , so that the direction from the cold water recovery container 6 to the cold water pipeline is positive, that is, the water inlet 20 of the check valve cavity of the automatic valve is connected with the outlet pipeline of the cold water recovery container 6, that is, the check valve 2 in the pipeline is made in the automatic In the control valve, the two are integrated. In addition, a drain valve 10 is installed at the user's hot water valve 9 on the outlet pipe 8 of the solar water heater 7, and then connected to the cold water recovery container 6 with a pipeline. In this way, an automatic recovery and water absorption device is formed. The control of automatic valve adopts the form that float 5 is combined with lever 12 or adopts the control mode that uses spring 11 to combine with lever 12 at the bottom of cold water recovery container 6. If the spring 11 is used below the bottom of the cold water recovery container, its bottom is connected with the lever 12, and the change of the weight of the cold water container is transmitted to the lever 12 to control the opening or closing of the automatic valve plug 14 in the form of gravity, then the valve lever 12 needs to be connected to the cold water container. The bottom is connected, and the change of the amount of cold water recovered in the cold water recovery container 6 is just directly transmitted to the lever 12 to control the valve. Its working process is: when the water volume in the cold water container 6 increases to the design value, the container moves down to the lower limit position, the automatic valve plug 14 is closed, the check valve plug 19 is opened, and the recovered cold water enters the water supply pipeline from the water outlet 18 of the valve body , the cold water used by the user is the water in the recovery container. When the amount of water in the cold water recovery container 6 is reduced to the designed weight value, the spring 11 resets and rebounds, and the container 6 is pushed back to the upper limit position, the automatic valve plug 14 is opened under the action of the lever 12, and the check valve plug 19 is closed simultaneously. At this time, what the user uses is the water supplied by the cooling water tower.

Referring to Figures 1 and 2, the working principle of the automatic valve is illustrated by taking the control method of the combination of the floating ball 5 and the lever 12 as an example: when the user opens the hot water valve 9 on the outlet pipeline 8 of the solar water heater, it first opens to the cold water recovery container The drain valve 10 in the direction of the pipeline, the cold water in the pipeline is recycled into the cold water recovery container 6. When the pipeline is touched and the temperature of hot water is felt, the hot water valve 9 is opened, and at the same time, the water flows to the drain valve 10 in the direction of the cold water recovery container. closure. You can use hot water normally. If the water yield in the cold water recovery container 6 reaches the set water level for opening the automatic valve, the floating ball floats up, and the lever force will lift the automatic valve plug 14 to block the valve port, and the automatic valve is closed. At the same time, the check valve plug 19 is opened. The cold water in the cold water recovery container 6 flows out to deliver water to the user, as long as the user cold water valve 1 is opened, the recovered cold water can be used. Conversely, when the cold water in the cold water recovery container 6 flows to a water level lower than the set water level, the gravity of the floating ball will push the automatic valve plug 14 open, the check valve plug 19 will be closed, and the cold water used by the user will be supplied by the cooling water tower. . Due to the effect of the check valve, the cold water in the cooling tower will not flow into the cold water recovery container.

In actual production, the structure of spring 11 and lever 12 is used under the bottom of the cold water recovery container 6, or the structure of floating ball 5 and lever 12 is used in the cold water recovery container. According to the specific situation and actual needs, one of the structural forms can be selected That's it. During installation, the cold water recovery container 6 positions will be lower than the solar water heater water tank 7 positions, and there is enough height difference between the two to ensure that the cold water in the pipeline can flow into the pressure in the cold water recovery container voluntarily.

Claims (4)

1, a kind of automatic recovery and water absorber, comprise boiler (7), the cold water returnable (6) of cooling column (4), solar water heater and be communicated with their pipeline and autocontrol valve (3), it is characterized in that outlet pipe (8) to having installed one between user's cold water pipe, again the autocontrol valve that connects and composes with Valve plug (14) by cold water returnable (6) and ball float wherein (5) and lever (12) combination at solar water heater.

2, automatic recovery water absorber according to claim 1, it is characterized in that autocontrol valve can also be by below, cold water returnable (6) bottom mounting spring (11), its bottom is connected with lever (12), again the autocontrol valve that connects and composes with Valve plug (14).

3, automatic recovery water absorber according to claim 1, it is characterized in that autocontrol valve comprises valve body (17), opens water inlet (15) in valve body, delivery port (18), be equipped with Valve plug (14) valve cavity, the reverse stop valve chamber of reverse stop valve plug (19) is installed, and water inlet, delivery port, valve cavity and reverse stop valve chamber are interconnected.

4, according to claim 1 or 3 described automatic recovery and water absorbers, it is characterized in that the upper end midpoint of the interior Valve plug of installing (14) of valve cavity of autocontrol valve is connected with a push-and-pull connecting rod (16), the upper end of connecting rod connects lever (12).

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