CN212842317U - Heat source tower antifreeze fluid circulation regeneration system - Google Patents
Heat source tower antifreeze fluid circulation regeneration system Download PDFInfo
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- CN212842317U CN212842317U CN202020899358.3U CN202020899358U CN212842317U CN 212842317 U CN212842317 U CN 212842317U CN 202020899358 U CN202020899358 U CN 202020899358U CN 212842317 U CN212842317 U CN 212842317U
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Abstract
The utility model relates to an energy technology utilizes the field, in particular to heat source tower antifreeze solution circulation regeneration system, including the heat source tower, the upper portion of heat source tower is equipped with antifreeze solution spray set, the lower part of heat source tower is equipped with air heat transfer device, antifreeze solution spray set is connected with the heat pump through the work fluid pipeline, be equipped with antifreeze solution regenerating unit on the work fluid pipeline, air heat transfer device with antifreeze solution regenerating unit pipeline intercommunication. The antifreeze in the heat source tower is subjected to heat-mass exchange through the air heat exchange device, so that water vapor in the air is prevented from entering a solution, the antifreeze in the working solution pipeline can be subjected to solution regeneration in time through the antifreeze regeneration device, the safe operation of the system is guaranteed, the operation cost is low, the concentration of the antifreeze is improved without additionally adding an antifreeze, the antifreeze is greatly saved, and pollution and waste caused in the antifreeze discharging process are reduced.
Description
Technical Field
The utility model relates to an energy technology utilizes the field, in particular to heat source tower antifreeze solution cyclic regeneration system.
Background
Along with the development of economy and the continuous improvement of living standard, the requirements of people on the comfort of living and working environments are higher and higher, and the requirement on heating of buildings is larger and larger. The middle and lower reaches of Yangtze river belong to areas with hot summer and cold winter, and the areas are more developed economically and have urgent requirements on building heating. As a novel heat pump system, the heat source tower heat pump system adopts air as a cold and heat source, and is suitable for hot-in-summer and cold-in-winter areas, especially for middle and lower reaches of Yangtze river. Compared with an air source heat pump, the heat source tower heat pump system has no frosting problem; compared with a water chilling unit and a boiler system, the heat source tower heat pump system has no problems of idle water chilling unit and environmental pollution; compared with a water source heat pump system, the heat source tower heat pump system has no limitation of use conditions. In winter, the outdoor temperature is generally lower than 0 ℃, and in order to prevent water from freezing danger, a heat source tower heat pump system generally adopts salt solutions such as potassium acetate, sodium chloride, calcium chloride or lithium bromide and the like as circulating working media. And in the process of spraying the solution in the heat source tower, the solution is subjected to heat and mass exchange with air, and water vapor in the air can enter the solution, so that the concentration of the solution is reduced, the temperature of the freezing point of the solution is increased, the solution freezing accident is easy to happen, and the safe operation of a heat pump system of the heat source tower is damaged. Therefore, solution regeneration must be performed in a proper manner to ensure safe operation of the system, concentration of the antifreeze in each heat source tower heat pump air-conditioning system is in an unapproved condition at present in China, a user of the heat source tower heat pump air-conditioning system only adds the antifreeze into the antifreeze when the concentration of the antifreeze is low to save trouble so as to improve the concentration, and a part of low-concentration antifreeze is inevitably discharged into the environment in the process of adding the antifreeze, so that certain environmental pollution is caused while the system economy is reduced.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a solution has been solved and can high-efficiently solution regeneration and utilize solution regeneration process auxiliary heat supply, does not cause the problem of influence to the environment simultaneously.
The utility model adopts the technical scheme as follows: the utility model provides a heat source tower antifreeze solution circulation regeneration system, includes the heat source tower, and the key lies in: the anti-freezing solution heat pump anti-freezing solution. The effect of above scheme is that can carry out heat and mass exchange to the antifreeze in the heat source tower through air heat transfer device, prevent that the vapor in the air from getting into solution, can carry out solution regeneration in time to the antifreeze in the working solution pipeline through antifreeze regenerating unit, ensure system safety operation.
Preferably, the antifreeze solution regenerating unit comprises a water storage tank and a concentration tank which are communicated through a circulating pipeline, wherein a water inlet and a water outlet of the water storage tank are respectively communicated with the working liquid pipeline through pipelines, a circulating pump is arranged on the pipeline between the water storage tank water inlet and the working liquid pipeline, a heating air pipe is spirally arranged in the concentration tank, and the heating air pipe is communicated with the air heat exchange device pipeline. The effect of this scheme is through carrying out the concentrated regeneration of circulation to the coolant liquid in the working solution pipeline, can avoid additionally adding the antifreeze to working solution pipeline with this concentration that improves to avoid discharging some low concentration antifreeze to the environment, improve system economy, avoid environmental pollution.
Preferably, the air heat exchange device comprises a main air drying box and a fan, an air inlet of the main air drying box is communicated with an air outlet pipeline at the top of the heat source tower, an air outlet of the main air drying box is respectively communicated with an air inlet of the fan and an air inlet of the heating air pipe, an air outlet of the heating air pipe is communicated with an air inlet of the fan, and an air outlet of the fan is communicated with an air inlet pipeline at the bottom of the heat source tower. The effect of this scheme is that through the reverse contact of dry air and antifreeze, take away the moisture part in the antifreeze, postpone the speed that solution concentration reduces.
Preferably, a first electronic valve is arranged on a pipeline between the water storage tank and the working liquid pipeline, and a second electronic valve is arranged on a pipeline between the concentration tank and the working liquid pipeline. The effect of this scheme is that open the electronic valve can introduce the antifreeze in the working solution pipeline into antifreeze regenerating unit and carry out solution regeneration.
Preferably, a third electronic valve is arranged on a pipeline between the main air drying box and the heating air pipe. The effect of this scheme is that can heat the concentration to the antifreeze in the concentration tank.
Preferably, a concentration detector is installed on the working liquid pipeline, and a concentration detector is installed in the water storage tank. The effect of this scheme is that can in time detect the antifreeze concentration in working solution pipeline and the tank.
Compared with the prior art, the utility model provides a heat source tower antifreeze circulation regeneration system carries out heat and mass exchange through the antifreeze of air heat transfer device in to the heat source tower, prevent during vapor entering solution in the air, can carry out timely solution regeneration to the antifreeze in the working solution pipeline through antifreeze regenerating unit, guarantee system safe operation, the working cost is low, do not need additionally to add the antifreeze to improve the antifreeze concentration, save the antifreeze in a large number and reduce the pollution and the waste that cause in the antifreeze discharge process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, a heat source tower antifreeze circulating regeneration system comprises a heat source tower 1, an antifreeze spraying device 2 is arranged at the upper part of the heat source tower 1, an air heat exchange device 3 is arranged at the lower part of the heat source tower 1, the antifreeze spraying device 2 is connected with a heat pump 4 through a working liquid pipeline, an antifreeze regeneration device 5 and a concentration detector are arranged on the working liquid pipeline, and the air heat exchange device 3 is in pipeline communication with the antifreeze regeneration device 5;
the antifreeze solution regenerating device 5 comprises a water storage tank 51 and a concentration tank 52 which are communicated through a circulating pipeline, a water inlet and a water outlet of the water storage tank 51 are respectively communicated with the working liquid pipeline through pipelines, a concentration detector is installed in the water storage tank 51, a circulating pump 6 is arranged on the pipeline between the water inlet of the water storage tank 51 and the working liquid pipeline, a heating air pipe 53 is spirally arranged in the concentration tank 52, the heating air pipe 53 is communicated with the air heat exchange device 3 pipeline, a first electronic valve A is arranged on the pipeline between the water storage tank 51 and the working liquid pipeline, and a second electronic valve B is arranged on the pipeline between the concentration tank 52 and the working liquid pipeline;
the air heat exchange device 3 comprises a main air drying box 31 and a fan 32, an air inlet of the main air drying box 31 is communicated with an air outlet pipeline at the top of the heat source tower 1, an air outlet of the main air drying box 31 is communicated with an air inlet of the fan 32 and an air inlet of the heating air pipe 53 respectively, an air outlet of the heating air pipe 53 is communicated with an air inlet of the fan 32, an air outlet of the fan 32 is communicated with an air inlet pipeline at the bottom of the heat source tower 1, and a third electronic valve D is arranged on a pipeline between the main air drying box 31 and the heating air pipe 53.
When the anti-freezing liquid regeneration device works, the first electronic valve A, the second electronic valve B and the third electronic valve D are closed, the fan 32 continuously inputs dry air from the bottom of the heat source tower 1, the dry air is in reverse contact with the anti-freezing liquid sprayed by the anti-freezing liquid spraying device 2 to take away moisture in the anti-freezing liquid and outputs the moisture from the top of the heat source tower 1 to the main air drying box 31 for air drying, the circulation is performed in such a way that water vapor in the air is prevented from entering the anti-freezing liquid, when the concentration detector on the working liquid pipeline detects that the concentration of the anti-freezing liquid is reduced to the set concentration, the electronic valve A, the electronic valve B and the electronic valve D are opened, the starting 6 is performed, part of the anti-freezing liquid in the working liquid pipeline is introduced into the anti-freezing liquid regeneration device 5 and is heated and concentrated by circulating between the water storage tank 51 and the concentration tank 52 until the concentration detector in the water storage, the solution regeneration is realized, and the safe operation of the system is guaranteed.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a heat source tower antifreeze fluid circulation regeneration system, includes heat source tower (1), its characterized in that: the anti-freezing solution heat pump device is characterized in that an anti-freezing solution spraying device (2) is arranged on the upper portion of the heat source tower (1), an air heat exchange device (3) is arranged on the lower portion of the heat source tower (1), the anti-freezing solution spraying device (2) is connected with a heat pump (4) through a working solution pipeline, an anti-freezing solution regeneration device (5) is arranged on the working solution pipeline, and the air heat exchange device (3) is communicated with the anti-freezing solution.
2. The heat source tower antifreeze fluid recycling system of claim 1, wherein: antifreeze solution regenerating unit (5) include tank (51) and concentrated pond (52) of circulation pipeline intercommunication, the water inlet and the delivery port of tank (51) respectively with the work liquid pipeline passes through the pipeline intercommunication, tank (51) water inlet with be equipped with circulating pump (6) on the pipeline between the work liquid pipeline, the spiral is equipped with air heater pipe (53) in concentrated pond (52), air heater pipe (53) with air heat transfer device (3) pipeline intercommunication.
3. The heat source tower antifreeze fluid recycling system of claim 2, wherein: the air heat exchange device (3) comprises a main air drying box (31) and a fan (32), wherein an air inlet of the main air drying box (31) is communicated with an air outlet pipeline at the top of the heat source tower (1), an air outlet of the main air drying box (31) is communicated with an air inlet of the fan (32) and an air inlet of the heating air pipe (53) respectively, an air outlet of the heating air pipe (53) is communicated with an air inlet of the fan (32), and an air outlet of the fan (32) is communicated with an air inlet pipeline at the bottom of the heat source tower (1).
4. The heat source tower antifreeze fluid recycling system of claim 2, wherein: the water inlet of tank (51) with be equipped with first electronic valve (A) on the pipeline between the working solution pipeline, the delivery port of tank (51) with be equipped with second electronic valve (B) on the pipeline between the working solution pipeline.
5. The heat source tower antifreeze fluid recycling system of claim 3, wherein: and a third electronic valve (D) is arranged on a pipeline between the main air drying box (31) and the heating air pipe (53).
6. The heat source tower antifreeze fluid recycling system of claim 4, wherein: the concentration detector is installed on the working liquid pipeline, and the concentration detector is installed in the water storage tank (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020899358.3U CN212842317U (en) | 2020-05-26 | 2020-05-26 | Heat source tower antifreeze fluid circulation regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020899358.3U CN212842317U (en) | 2020-05-26 | 2020-05-26 | Heat source tower antifreeze fluid circulation regeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212842317U true CN212842317U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020899358.3U Active CN212842317U (en) | 2020-05-26 | 2020-05-26 | Heat source tower antifreeze fluid circulation regeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212842317U (en) |
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2020
- 2020-05-26 CN CN202020899358.3U patent/CN212842317U/en active Active
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