CN215864091U - Backwater anti-freezing device of heat collection solar water heating system - Google Patents

Backwater anti-freezing device of heat collection solar water heating system Download PDF

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CN215864091U
CN215864091U CN202122081704.4U CN202122081704U CN215864091U CN 215864091 U CN215864091 U CN 215864091U CN 202122081704 U CN202122081704 U CN 202122081704U CN 215864091 U CN215864091 U CN 215864091U
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pipe
water
wall
backwater
return
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王磊
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Suqian Yishan Technology Co ltd
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Suqian Yishan Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

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Abstract

The utility model relates to the technical field of solar water heating systems, and discloses a return water anti-freezing device of a heat-collecting solar water heating system, which comprises a water tank, wherein a hot water outlet end of the water tank is connected with a hot water pipe, the pipe wall of the hot water pipe is fixedly communicated with a return water pipe, one end of the return water pipe, which is far away from the hot water pipe, is communicated with a return water port of the water tank, one side of the return water pipe is provided with a heating box, the left side and the right side of the inside of the heating box are respectively and fixedly provided with a group of electric heating rods and a fan, the left side wall and the right side wall of the heating box are respectively and fixedly connected with an air outlet pipe and an air inlet pipe, the left end of the air outlet pipe is fixedly communicated with the pipe wall of the return water pipe, the inside of the air outlet pipe is provided with a first control valve, and one end, which is positioned at two pipe orifices, of the inside of the return water pipe is provided with a second control valve. According to the utility model, water liquid can not be remained on the inner wall of the water return pipe by conveying hot air, the anti-freezing effect is good, the energy consumption is relatively low, meanwhile, the anti-freezing treatment can be carried out on the water inlet pipe, and the waste of water resources is reduced.

Description

Backwater anti-freezing device of heat collection solar water heating system
Technical Field
The utility model relates to the technical field of solar water heating systems, in particular to a backwater anti-freezing device of a heat collection solar water heating system.
Background
The solar water heating system is composed of a solar heat collector, a hot water tank, a water pump, a cold and hot water pipeline, a controller and the like, wherein a water return pipe is arranged on the same side of the hot water pipeline and used for returning water with insufficient temperature or residual water in the hot water pipeline after the hot water pipeline is closed to the inside of the water tank, and the anti-freezing of the water return pipe is particularly important in winter and other days with low environmental temperature.
At present, the commonly adopted anti-freezing method is to wrap heat insulation materials on the outer wall of a pipeline, but the anti-freezing effect is unstable, the pipeline is easy to frost crack, and the other method is to wind an electric heating heat insulation belt on the pipeline, but the investment is large, and the energy consumption is high due to the continuous power-on heating, so that the return water anti-freezing device of the heat collection solar water heating system is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, the outer wall of a pipeline is coated with a heat insulation material, but the anti-freezing effect is unstable, and the pipeline is easy to frost crack, and the other method is to wind an electric heating heat insulation belt on the pipeline, but the investment is large, and continuous power-on heating is needed, so that the energy consumption is high, and the heat collection solar water heating and returning anti-freezing device is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a backwater anti-freezing device of a heat collection solar water heating system comprises a water tank, wherein a hot water outlet end of the water tank is connected with a hot water pipe, a backwater pipe is fixedly communicated with the pipe wall of the hot water pipe, one end, away from the hot water pipe, of the backwater pipe is communicated with a backwater port of the water tank, a heating box is arranged on one side of the backwater pipe, a group of electric heating rods and a fan are fixedly arranged on the left side and the right side of the inside of the heating box respectively, an air outlet pipe and an air inlet pipe are fixedly connected with the left side and the right side of the heating box respectively, the left end of the air outlet pipe is fixedly communicated with the pipe wall of the backwater pipe, a first control valve is arranged inside the air outlet pipe, a second control valve is arranged at one end, away from the hot water pipe, of the pipe wall of the backwater pipe, a first exhaust pipe is fixedly communicated with one end of the first exhaust pipe, and a first exhaust valve is arranged inside the first exhaust pipe, first exhaust pipe and play tuber pipe all are located setting between two second control valves.
Preferably, a dust filter core is arranged inside the air inlet pipe.
Preferably, the right end of the inner wall of the air inlet pipe is in threaded connection with a round sleeve, and the dust filtering core is fixedly arranged inside the round sleeve.
Preferably, the end of intaking of water tank is connected with the inlet tube, the one end that the wet return was kept away from to first blast pipe sets up with the fixed intercommunication of the pipe wall of inlet tube, the fixed intercommunication of the one end that the pipe wall of inlet tube is close to the water tank has the drain pipe, the inside of drain pipe is equipped with the third control valve, the inside of inlet tube is located two orificial one ends and all is equipped with the fourth control valve, first blast pipe and drain pipe all are located and set up between two fourth control valves.
Preferably, the inside downside setting that the water tank was passed to the one end that the inlet tube was kept away from to the drain pipe, and the one end that the inlet tube was kept away from to the drain pipe and the fixed intercommunication setting of one end that the pipe wall of wet return is close to the water tank, and the drain pipe is located the top setting of homonymy second control valve, the fixed intercommunication of one end that the inlet tube was kept away from to the pipe wall of drain pipe has the second blast pipe, and the inside of second blast pipe is equipped with second discharge valve.
Preferably, the one end that the inlet tube was kept away from to the pipe wall of drain pipe is fixed to be pegged graft and is equipped with humidity transducer, the lower extreme fixedly connected with control box of heating box, control box and humidity transducer signal connection, and control box and fan and a set of glow stick electric connection.
Preferably, the drain pipe is located in a serpentine shape inside the water tank.
Compared with the prior art, the utility model provides a backwater anti-freezing device of a heat collection solar water heating system, which has the following beneficial effects:
1. this solar water heating system return water freeze-proof device of gathering heat, through the water tank that is equipped with, the hot-water line, the wet return, the heating box, a set of electric rod, the fan, go out the tuber pipe, the air-supply line, first blast pipe, first control valve, two second control valves and the mutual cooperation of first exhaust valve, can make the inner wall of wet return can not remain water liquid through carrying hot-blast to can avoid the wet return to be frost crack, and can increase the thoroughness of return water, reduce water waste, it is effectual to prevent frostbite, and the power consumption is compared lowly.
2. This solar collecting water heating system return water freeze-proof device through the mutual cooperation of the circle cover that is equipped with and the dirt core of straining, can prevent foreign matter such as outside dust from getting into, through the inlet tube that is equipped with, can supply water for the water tank, through the mutual cooperation of the drain pipe that is equipped with, third control valve and two fourth controls, also can carry out anti-freezing treatment to the inlet tube to can carry out the condensation reflux to the vapor that produces, reduce water waste.
The device has the advantages that the parts which are not involved are the same as or can be realized by adopting the prior art, water liquid can not be remained on the inner wall of the water return pipe by conveying hot air, the anti-freezing effect is good, the energy consumption is lower, meanwhile, the anti-freezing treatment can be carried out on the water inlet pipe, and the waste of water resources is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a backwater anti-freezing device of a heat collection solar water heating system provided by the utility model;
FIG. 2 is an enlarged view of the portion A in FIG. 1;
fig. 3 is a schematic view showing the shape of the drain pipe of fig. 1 inside the water tank.
In the figure: 1 water tank, 2 hot water pipes, 3 return pipes, 4 heating boxes, 5 electric heating rods, 6 fans, 7 air outlet pipes, 8 air inlet pipes, 9 first exhaust pipes, 10 dust filter cores, 11 round sleeves, 12 water inlet pipes, 13 water outlet pipes, 14 second exhaust pipes, 15 humidity sensors and 16 control boxes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Embodiment 1 referring to fig. 1-3, a backwater anti-freezing device for a heat-collecting solar water heating system comprises a water tank 1, a hot water outlet end of the water tank 1 is connected with a hot water pipe 2, a water return pipe 3 is fixedly communicated with the pipe wall of the hot water pipe 2, one end of the water return pipe 3 away from the hot water pipe 2 is communicated with a backwater port of the water tank 1, one side of the water return pipe 3 is provided with a heating box 4, the left side and the right side of the inside of the heating box 4 are respectively and fixedly provided with a set of electric heating rods 5 and a fan 6, the left side and the right side walls of the heating box 4 are respectively and fixedly connected with an air outlet pipe 7 and an air inlet pipe 8, the left end of the air outlet pipe 7 is fixedly communicated with the pipe wall of the water return pipe 3, the inside of the air outlet pipe 7 is provided with a first control valve, one end of the inside of the water return pipe 3, which is located at two pipe ports, one end of the pipe wall of the water return pipe 3 away from the hot water pipe 2 is fixedly communicated with a first exhaust pipe 9, and the inside of the first exhaust pipe 9 is provided with a first air valve, the first exhaust pipe 9 and the air outlet pipe 7 are both arranged between the two second control valves, and other components (not shown in the figures) connected with the water tank 1, the hot water pipe 2 and the water return pipe 3 are all in the prior art and are not described in detail;
a dust filter core 10 is arranged in the air inlet pipe 8, so that foreign matters such as external dust can be prevented from entering;
the right end of the inner wall of the air inlet pipe 8 is in threaded connection with a round sleeve 11, and the dust filtering core 10 is located inside the round sleeve 11 and fixedly arranged, so that people can conveniently replace and process the dust filtering core 10.
Embodiment 2 referring to fig. 1-3 on the basis of embodiment 1, a water inlet pipe 12 is connected to a water inlet end of a water tank 1, one end of a first exhaust pipe 9, which is far away from a water return pipe 3, is fixedly communicated with a pipe wall of the water inlet pipe 12, one end of the pipe wall of the water inlet pipe 12, which is close to the water tank 1, is fixedly communicated with a drain pipe 13, a third control valve is arranged inside the drain pipe 13, fourth control valves are arranged at two pipe orifices in the water inlet pipe 12, the first exhaust pipe 9 and the drain pipe 13 are both arranged between the two fourth control valves, hot air discharged by the first exhaust pipe 9 enters the water inlet pipe 12, so that the inner wall of the water inlet pipe 12 can be dried, and finally, water vapor is discharged from the drain pipe 13 along with air flow;
one end of the drain pipe 13, which is far away from the water inlet pipe 12, penetrates through the lower side of the inside of the water tank 1, one end of the drain pipe 13, which is far away from the water inlet pipe 12, is fixedly communicated with one end of the pipe wall of the water return pipe 3, which is close to the water tank 1, the drain pipe 13 is arranged above the second control valve on the same side, one end of the pipe wall of the drain pipe 13, which is far away from the water inlet pipe 12, is fixedly communicated with a second exhaust pipe 14, a second exhaust valve is arranged inside the second exhaust pipe 14, cold water at the bottom of the water tank 1 is utilized to condense water vapor inside the drain pipe 13, so that the water vapor is re-converted into water liquid and flows back to the inside of the water tank 1 through the water return pipe 3, and finally air is discharged through the second exhaust pipe 14, so that waste of water resources can be further reduced;
a humidity sensor 15 is fixedly inserted into one end of the pipe wall of the drain pipe 13, which is far away from the water inlet pipe 12, a control box 16 is fixedly connected to the lower end of the heating box 4, the control box 16 is in signal connection with the humidity sensor 15, the control box 16 is electrically connected with the fan 6 and the group of electric heating rods 5, when the humidity sensor 15 detects that the humidity is within a preset value range, a signal is transmitted to the control box 16, and the control box 16 controls the group of electric heating rods 5 and the fan 6 to automatically stop working, which is the prior art and is not described in detail;
the position of the drain pipe 13 in the water tank 1 is in a snake shape, so that the heat exchange and condensation effects of the drain pipe 13 and cold water in the water tank 1 can be improved.
When the drying device is used, hot water in the water tank 1 is discharged through the hot water pipe 2, the temperature of effluent water is insufficient or residual water in the effluent water can be discharged through the water return pipe 3 and flows back to the inside of the water tank 1, after each backflow, the fan 6 and the group of electric heating rods 5 work to heat air and convey the heated air into the water return pipe 3, so that residual water in the water return pipe 3 can be dried, the residual water in the water return pipe 3 can be prevented, the water return pipe 3 can be prevented from being frozen and cracked, and air flow generated during drying is discharged through the first exhaust pipe 9.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. A backwater anti-freezing device of a heat collection solar water heating system comprises a water tank (1) and is characterized in that a hot water outlet end of the water tank (1) is connected with a hot water pipe (2), a water return pipe (3) is fixedly communicated with the pipe wall of the hot water pipe (2), one end, far away from the hot water pipe (2), of the water return pipe (3) is communicated with a backwater port of the water tank (1), a heating box (4) is arranged on one side of the water return pipe (3), a group of electric heating rods (5) and a fan (6) are fixedly arranged on the left side and the right side of the inside of the heating box (4) respectively, an air outlet pipe (7) and an air inlet pipe (8) are fixedly connected with the left side wall of the heating box (4) respectively, the left end of the air outlet pipe (7) is fixedly communicated with the pipe wall of the water return pipe (3), a first control valve is arranged inside the air outlet pipe (7), and one end, located at two pipe orifices, inside of the water return pipe (3) is provided with a second control valve, the fixed intercommunication of the one end that hot-water line (2) were kept away from to the pipe wall of wet return (3) has first blast pipe (9), and the inside of first blast pipe (9) is equipped with first exhaust valve, first blast pipe (9) and air-out pipe (7) all are located and set up between two second control valves.
2. The backwater antifreezing device of a heat collecting solar water heating system as claimed in claim 1, wherein a dust filter core (10) is disposed inside the air inlet pipe (8).
3. The backwater antifreezing device for the heat collecting solar water heating system as claimed in claim 2, wherein a round sleeve (11) is connected to the right end of the inner wall of the air inlet pipe (8) in a threaded manner, and the dust filter core (10) is fixedly arranged in the round sleeve (11).
4. The backwater antifreezing device for the heat collecting solar water heating system according to claim 1, wherein a water inlet pipe (12) is connected to a water inlet end of the water tank (1), one end of the first exhaust pipe (9) far away from the backwater pipe (3) is fixedly communicated with a pipe wall of the water inlet pipe (12), one end of the pipe wall of the water inlet pipe (12) close to the water tank (1) is fixedly communicated with a drain pipe (13), a third control valve is arranged inside the drain pipe (13), one ends of the two pipe orifices in the water inlet pipe (12) are respectively provided with a fourth control valve, and the first exhaust pipe (9) and the drain pipe (13) are respectively arranged between the two fourth control valves.
5. The backwater antifreezing device for the heat collecting solar water heating system according to claim 4, wherein one end of the drain pipe (13) far away from the water inlet pipe (12) passes through the lower side of the inside of the water tank (1), one end of the drain pipe (13) far away from the water inlet pipe (12) is fixedly communicated with one end of the pipe wall of the water return pipe (3) close to the water tank (1), the drain pipe (13) is arranged above the second control valve on the same side, one end of the pipe wall of the drain pipe (13) far away from the water inlet pipe (12) is fixedly communicated with a second exhaust pipe (14), and the inside of the second exhaust pipe (14) is provided with a second exhaust valve.
6. The backwater antifreezing device of a heat collecting solar water heating system as claimed in claim 4, wherein a humidity sensor (15) is fixedly inserted into one end of the pipe wall of the drain pipe (13) far away from the water inlet pipe (12), a control box (16) is fixedly connected to the lower end of the heating box (4), the control box (16) is in signal connection with the humidity sensor (15), and the control box (16) is electrically connected with the fan (6) and the group of electric heating rods (5).
7. The backwater antifreezing device for the heat collecting solar water heating system as claimed in claim 4, wherein the position of the drain pipe (13) inside the water tank (1) is serpentine.
CN202122081704.4U 2021-08-31 2021-08-31 Backwater anti-freezing device of heat collection solar water heating system Active CN215864091U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122081704.4U CN215864091U (en) 2021-08-31 2021-08-31 Backwater anti-freezing device of heat collection solar water heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122081704.4U CN215864091U (en) 2021-08-31 2021-08-31 Backwater anti-freezing device of heat collection solar water heating system

Publications (1)

Publication Number Publication Date
CN215864091U true CN215864091U (en) 2022-02-18

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Application Number Title Priority Date Filing Date
CN202122081704.4U Active CN215864091U (en) 2021-08-31 2021-08-31 Backwater anti-freezing device of heat collection solar water heating system

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