CN2630751Y

CN2630751Y - Pipeline evacuation freeze-proofing device

Info

Publication number: CN2630751Y
Application number: CNU032171641U
Authority: CN
Inventors: 赵海
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-14
Filing date: 2003-05-14
Publication date: 2004-08-04
Anticipated expiration: 2013-05-14

Abstract

The utility model discloses a pipe emptying antifreezing device, especially is a pipe antifreezing device suitable for solar water heater, and belongs to pipe antifreezing technology field, which is characterized in that: a section of siphon(3) is arranged on the solar water heater and other equipments, one end thereof is upward from the lower of the inner cavity of the water tank 1, extends out of the water tank 1 from the full-water level position and is connected with the tee joint 12, then turns down to connecting with the water pipe 5, the upward interface of the tee joint 12 is connected with the overflow pipe 4, the overflow pipe 4 extend upward with a certain height and then turn down to connect indoor, the end of the overflow pipe 4 is installed with an emptying valve 8; the exhaust pipe 2 is connected with the upper of the inner cavity of the water tank 1, the height of the exhaust port thereof is higher than the highest point of the overflow pipe 4. The utility model with the above structure can empty the water in the outdoor pipes, and can prevent the frost crack of pipes in winter to ensure the normal service thereof.

Description

A kind of tube emptying defroster

Affiliated technical field:

The utility model relates to a kind of tube emptying defroster, especially is applicable to the pipe defroster of solar water heater, belongs to the freezing prevention tubing technical field.

Background technology:

The main pipeline structure of solar water heater at present commonly used is that the downside from water tank inserts upper hose, picks out overflow pipe and blast pipe from the upside of water tank.After water tank was filled with water, water can be discharged from overflow pipe, and can be filled with water in the upper hose.For preventing that its upper and lower conduit is frozen in when using winter, the heat-insulation layer that the coating that pipeline has is very thick has plenty of add the ribbon heater on pipeline, and what have installs magnetic valve additional.But also all there are shortcomings such as result of use is poor, dangerous, difficult in maintenance in these measures.

Summary of the invention:

The technical problem to be solved in the present invention is that the problem at prior art exists designs a kind of pipeline exhausting device, the water emptying in the outdoor pipeline also can normally can be used in the winter time.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of tube emptying defroster, illustrate with the application in the middle of solar water heater, mainly by water tank 1, blast pipe 2, overflow pipe 4 and upper and lower conduit 5 are formed, wherein in the under shed inlet chamber of upper and lower conduit 5, and be communicated with running water pipe 14 by water supply valve 6, water pipe 11 is communicated with upper and lower conduit 5, be equipped with on the water pipe 11 with water valve 7, be characterized in, one section siphon pipe 3 is set, the one end makes progress from the bottom of water tank 1 inner chamber, lead to outside the water tank from the full water level of water tank 1 and to be connected with threeway 12, turn to down again with upper and lower conduit 5 and be communicated with, the interface that threeway 12 makes progress is communicated with overflow pipe 4, overflow pipe 4 extend upward insert downwards again behind the certain altitude indoor, when pressure that its height can make siphon pipe 3 tops be subjected to when last water is less than spilling water, promptly with water tank be discontented with overflow pipe 4 not spilling water be as the criterion; End at overflow pipe 4 also is equipped with an exhaust-valve 8; Blast pipe 2 is communicated with the top of water tank 1 inner chamber, and the height of its exhaust outlet is higher than the peak of overflow pipe 4.

By such structure, when using water heater in the winter time, fill with water in the water tank 1 after, can open exhaust-valve 8 and with water valve 7, the water emptying with in the upper and lower conduit 5 of outdoor section can prevent that pipeline from being frozen.During water, after only needing to go up water again upper and lower conduit being filled with water, open again with water valve 7 and can use.

As further improvement of the utility model, in above-mentioned structure, can also connect one section suction hose 9 in the lower ends downward of upper and lower conduit 5, the end of this suction hose 9 also is equipped with a suction valve 10, the volume that air expanded when the volume of described suction hose 9 was added downcomer 5, overflow pipe 4 suctions greater than siphon pipe 3 volumes, can the water sucking-off in the water tank being started siphonage and be as the criterion.By such structure, after water tank 1 is filled with water, open earlier and close after suction valve 10 there are flowing out, open again with water valve 7 emptyings.During water, will close with water valve 7 and exhaust-valve 8, the water of opening in the suction valve 9 is discharged from, and hot water flows out along pipeline in the suction box 1 simultaneously, after the startup siphonage, closes suction valve 9, just can open with water valve 7 and use hot water.So not only easy to use, and can directly use hot water in the water tank 1.

Said structure can also be improved as followsly, promptly in threeway 13 of following termination of upper and lower conduit 5, this threeway 13 connects suction hose 9 and running water pipes 14, connects water pipe 11 on the suction hose 9, and the end of this suction hose 9 also is equipped with a suction valve 10.When water, close with water valve 7 and exhaust-valve 8 like this, open suction valve 10 and water supply valve 6, water is discharged through suction valve 10 through threeway 13, suction hose 9 from running water pipe 14, forms suction effect, attracts the water in the water tank 1 to flow out along pipeline, starts siphonage.Can also make the diameter of the diameter of described suction hose 9 and running water pipe 14, can increase the draft of suction like this, reach the purpose of quick suction, water greater than threeway 13.

In addition, the blast pipe 2 described in the above technical scheme can also lead to outside the water tank from the bottom of water tank 1 downwards from the top in the water tank 1, and the height of described overflow pipe 4 is lower than the height of water tank 1 inside exhaust pipe 2.

Description of drawings:

Fig. 1 is applied to the structural representation of the embodiment 1 in the solar water heater for the utility model;

Fig. 2 is applied to the structural representation of another embodiment 2 in the solar water heater for the utility model;

The structural representation that Fig. 3 transforms old-fashioned solar water heater for the utility model.

The specific embodiment:

Embodiment 1: with reference to figure 1.

The technical scheme of present embodiment is, a kind of solar energy water heater pipe evacuation and anti-freezing device, its primary structure is that a siphon pipe 3 is set, the one end makes progress from the bottom of water tank 1 inner chamber, lead to outside the water tank from the full water level of water tank 1 and to be connected with threeway 12, turn to down again with upper and lower conduit 5 and be communicated with, the interface that threeway 12 makes progress is communicated with overflow pipe 4, overflow pipe 4 extend upward insert again behind the certain altitude indoor, when its height is less than spilling water in the time of making on the pressure that siphon pipe 3 tops are subjected to water, with the discontented overflow pipe 4 of water tank not spilling water be as the criterion.In the under shed inlet chamber of upper and lower conduit 5, and be communicated with running water pipe 14 by water supply valve 6, water pipe 11 is communicated with upper and lower conduit 5, and usefulness water valve 7 is housed on the water pipe 11, in the exit of overflow pipe 4 exhaust-valve 8 is housed also; Blast pipe 2 is communicated with the top of water tank 1 inner chamber, and the height of its exhaust outlet is higher than the peak of overflow pipe 4.Lower ends downward at upper and lower conduit 5 connects one section suction hose 9, and the end of this suction hose 9 also is equipped with a suction valve 10; The volume that air expanded when the volume of described suction hose 9 was added downcomer 5, overflow pipe 4 suctions greater than siphon pipe 3 volumes can start siphonage to the water sucking-off in the water tank.

In the use, when water filling, will close with water valve 7 and suction valve 9 earlier, open exhaust-valve 8 and water supply valve 6, water filling in water tank 1, i.e. 8 outflows along overflow pipe 4 from exhaust-valve were closed water supply valve 6 and are stopped water filling after water was full.During emptying, open suction valve 10 earlier, close after there are flowing out.Open with water valve 7, the personal water valve of water 7 stream mountains just are drained to the interior water of indoor pipeline outside the water tank 1 like this, can prevent that the pipeline of outdoor section from being frozen again.At this moment, also having one section remaining water in the suction hose 9 is not drained.During water, close with water valve 7 and exhaust-valve 8, open suction valve 10 earlier, remaining water is discharged from by suction valve 10 in the suction hose 9, attract the water in the water tank 1 to flow down along pipeline simultaneously, start siphonage, the source, water source constantly flows down, at this moment close suction valve 10 again, just can open with water valve 7 and use hot water.

Embodiment 2: with reference to figure 2.

The technical scheme of present embodiment is, a kind of solar energy water heater pipe evacuation and anti-freezing device, the structure of its outdoor section is substantially the same manner as Example 1, difference is, threeway 13 of following termination at upper and lower conduit 5, this threeway 13 connects suction hose 9 and running water pipe 14, is connected to water pipe 11 on the suction hose 9, and the end of this suction hose 9 also is equipped with a suction valve 10.When water, close with water valve 7 and exhaust-valve 8 like this, open suction valve 10 and water supply valve 6, water is discharged through suction valve 10 through threeway 13, suction hose 9 from running water pipe 14, forms suction effect, attracts the water in the water tank 1 to flow out along pipeline, starts siphonage.The diameter of described suction hose 9 and running water pipe 14 can increase the draft of suction like this greater than the diameter of threeway 13, reaches the purpose of quick suction, water.

Embodiment 3: with reference to figure 3

Present embodiment is the product after existing old-fashioned solar water heater is reequiped.At first the top of blast pipe 2 in the water tank 1 was downwards from connecting the outlet of downcomer originally, and promptly open lower side is led to outside the water tank; Is that the upside opening part of water tank 1 leads to outside the water tank from the opening of the original access overflow pipe of old-fashioned solar water heater with siphon pipe 3 upwards from water tank 1 bottom, and be connected with threeway 12, turn to down again with upper and lower conduit 5 and be connected, the interface that threeway 12 makes progress is connected with overflow pipe 4, and the height of overflow pipe 4 is lower than the height of water tank 1 inside exhaust pipe 2; Other structure collection annexations are described identical with embodiment 2.Solar water heater through after reequiping like this can reach result of use of the present utility model equally.

This specification mainly describes with solar water heater, but present technique also only is not limited to the application in the solar water heater, also is applicable to the application that Other related equipment is antifreeze to tube emptying simultaneously.

Claims

1, a kind of tube emptying defroster, mainly by water tank (1), blast pipe (2), overflow pipe (4) and upper and lower conduit (5) are formed, wherein in the lower end inlet chamber of upper and lower conduit (5), and be communicated with running water pipe (14) by water supply valve (6), water pipe (11) is communicated with upper and lower conduit (5), be equipped with on the water pipe (11) with water valve (7), it is characterized in that, a siphon pipe (3) is set, the one end makes progress from the bottom of water tank (1) inner chamber, lead to outside the water tank from the full water level of water tank (1) and to be connected with threeway (12), turn to down again with upper and lower conduit (5) and be communicated with, the interface that threeway (12) makes progress is communicated with overflow pipe (4), overflow pipe (4) extend upward insert downwards again behind the certain altitude indoor, when being less than spilling water during water on the pressure that siphon pipe (3) top is subjected to; End at overflow pipe (4) also is equipped with an exhaust-valve (8); Blast pipe (2) is communicated with the top of water tank (1) inner chamber, and the height of its exhaust outlet is higher than the peak of overflow pipe (4).

2, tube emptying defroster according to claim 1, it is characterized in that, lower ends downward at upper and lower conduit (5) connects one section suction hose (9), the end of this suction hose (9) also is equipped with a suction valve (10), the volume that air expanded when the volume of described suction hose (9) was added downcomer (5), overflow pipe (4) suction greater than siphon pipe (3) volume.

3, tube emptying defroster according to claim 1, it is characterized in that, a threeway of the following termination of described upper and lower conduit (5) (13), this threeway (13) connects suction hose (9) and running water pipe (14), suction hose (9) is gone up and is connected water pipe (11), and the end of this suction hose (9) also is equipped with a suction valve (10).

4, tube emptying defroster according to claim 3 is characterized in that, the diameter of described suction hose (9) and running water pipe (14) is greater than the diameter of threeway (13).

According to the described tube emptying defroster of one of claim 1 to 4, it is characterized in that 5, described blast pipe (2) leads to outside the water tank from the bottom of water tank (1) from the top in the water tank (1) downwards; The height of described overflow pipe (4) is lower than the height of water tank (1) inside exhaust pipe (2).