CN214038855U - Air conditioner cooling water heat recovery system - Google Patents
Air conditioner cooling water heat recovery system Download PDFInfo
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- CN214038855U CN214038855U CN202023149984.XU CN202023149984U CN214038855U CN 214038855 U CN214038855 U CN 214038855U CN 202023149984 U CN202023149984 U CN 202023149984U CN 214038855 U CN214038855 U CN 214038855U
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Abstract
In order to solve the problem how rational utilization cooling water energy recovery, the utility model provides an air conditioner cooling water heat recovery system, through energy storage water tank, the change of buffer chamber external temperature, the running frequency of water pump is controlled through pressure sensor, through a temperature sensor, the operation number of control fan, practice thrift the running cost, this equipment operation in winter has very big saving effect, this system heats through ice maker group's cooling water summer, lead to the cooling tower refrigeration winter, great running cost has been practiced thrift to this system, the running power of system itself is low, simple structure is reliable.
Description
Technical Field
The utility model relates to a cooling water retrieves technical field, and is comparatively concrete, involves an air conditioner cooling water heat recovery system, adopts the refrigerated mode of cooling tower winter.
Background
In recent years, with the increasing shortage of energy, the problem of environmental pollution is aggravated, and energy conservation and environmental protection have become increasingly important issues. In all energy consumption, the air conditioning system for maintaining the temperature and the humidity of the space needs to consume a large amount of high-grade energy and occupies a considerable proportion, so that the energy conservation of the air conditioning system is more and more important, meanwhile, a cold source needs to be provided for a long time in some production processes, the natural air temperature exchange is adopted in winter by the air conditioning system, the cold energy of the natural air is exchanged and provided for the equipment for cooling, the production requirements of the processes are met, and the energy consumption is greatly saved. The device controls the winter and summer operation modes of the device through three electric valves. The running time of the equipment is improved. The running energy consumption of the equipment is reduced through the sensor and the control system.
For air-conditioning objects with high requirements on air supply temperature and humidity, air is often reheated due to too low temperature after being cooled and dehumidified, and at present, an air-conditioning box and the tail end of indoor variable air volume are reheated by using electricity or other high-temperature heat sources, so that the cold load of an air-conditioning system is increased, and high-grade energy is wasted. From the view of the air treatment process, for an air conditioning system, dehumidification needs lower evaporation temperature, sensible heat removal does not need low evaporation temperature, sensible heat and latent heat in the current air treatment process are generally all borne by a refrigeration system, and for the air conditioning system with the requirements on temperature and humidity, the temperature of the air after dehumidification is lower and reheating is needed. The air is reheated after being cooled, which essentially belongs to cold and heat offset, and wastes cold energy and other high-grade energy (such as electric energy for heating). Therefore, how to reduce the cooling load of the air conditioning system and the capacity of the air conditioning system and reduce the reheating energy consumption has important significance for the energy conservation of the air conditioning system.
At present, air conditioning systems with higher temperature and humidity requirements are widely applied in various fields, and the energy consumption of the air conditioning systems is increased due to the cold and heat offset caused by the reheating problem. At present, energy is increasingly in short supply and energy saving is advocated, the considerable energy waste problem is not considered, and a proper solution is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the problem how to utilize cooling water energy recovery rationally, the utility model provides an ice maker cooling water heat recovery system, through energy storage water tank, the change of buffer chamber outside temperature exchanges the cooling water heat through plate heat exchanger, controls reheat water pump's operating frequency through pressure sensor, through first temperature sensor, controls the operation number of cooling tower fan, practices thrift the running cost. The system has the advantages that the equipment can be operated in winter, the system can be used for heating by cooling water of the ice machine set in summer and refrigerating by the cooling tower in winter, the system saves large operation cost, the operation power of the system is low, and the structure is simple and reliable.
The utility model provides an ice maker cooling water heat recovery system, includes reheat water pump 1, heat exchanger 2, energy storage water tank 3, PLC switch board 4, air conditioning box group 5, cooling pump 7, ice unit 8 and cooling tower 9, its characterized in that: a cooling water heating section 20 is arranged in the air conditioning box group 5, the water outlet end of the cooling pump 7 is connected with the water inlet end of the ice unit 8, the water outlet end of the ice unit 8 is connected with the water inlet end of the heat exchange plate 2, the water outlet end of the plate exchange plate 2 is connected with the water inlet end of the cooling tower, the water outlet end of the cooling tower and the water return end of the cooling water pump form a first heat exchange circulation loop, a first electromagnetic valve 10 is arranged on pipelines of the ice unit 8 and the second cooling pump 7, a second electromagnetic valve 11 is arranged on pipelines of the second cooling pump 7 and the heat exchanger 2, a third electromagnetic valve 12 is arranged on pipelines of the ice unit 8 and the heat exchanger 2, the water outlet end of the cooling water heating section 20 is connected with the water inlet end of the energy storage water tank 3, the water outlet end of the energy storage water tank 3 is connected with the water inlet end of the reheat water pump 1, the water outlet end of the reheat water pump 1 is connected with the water inlet end of the heat exchanger 2, the water outlet end of the heat exchanger 2 is connected with the process refrigeration equipment or the water inlet end of the cooling water heating section 20, a second heat exchange circulation loop is formed, an air-conditioning cooling water heat recovery system is formed by two heat exchange circulation loops, and the first electromagnetic valve 10, the second electromagnetic valve 11 and the third electromagnetic valve 12 are respectively connected with the PLC control cabinet 4 through electric wires.
Further, the heat exchanger 2 is composed of a plate heat exchanger 2 in the conventional technology, the plate heat exchanger 2 is formed by stacking a plurality of corrugated heat exchange fins and fastening the heat exchange fins through clamping plates and bolts, thin rectangular channels are formed among the heat exchange fins, and heat exchange is carried out through half of the heat exchange fins.
Further, the air conditioning box group 5 is sequentially discharged to the indoor from an air inlet of an outdoor fresh air system through a fresh air mixing section 15, a primary and intermediate effect section 16, a surface cooling section 17, a fan section 18, a flow equalizing section 19, a cooling water heating section 20 and a heating section 21.
Further, the inside reheating coil that is equipped with of cooling water heating section 20, reheating coil's the end of giving out water connect the end of intaking of heat exchanger 2, reheating coil's the end of intaking connects the end of intaking of energy storage water tank 3.
Furthermore, a first temperature sensor 22 is arranged on a pipeline between the reheating water pump 1 and the heat exchanger 2, a second temperature sensor 23 is arranged on a pipeline between the cooling tower 9 and the heat exchanger 2, a fifth electromagnetic valve 14 is arranged at the water inlet end of the heat exchanger 2 on the first heat exchange circulation loop, and the fifth electromagnetic valve 14 adjusts the flow opening of the heat exchanger 2 according to the first temperature sensor 22.
Further, a first pressure sensor 25 is arranged on pipelines of the cooling water heating section 20 and the energy storage water tank 3, a second pressure sensor 26 is arranged on pipelines of the reheating water pump 1 and the heat exchanger 2, and the reheating water pump 1 is operated in a variable frequency mode according to the pressure difference between the first pressure sensor 25 and the second pressure sensor 26.
Further, a fourth electromagnetic valve 13 is arranged at the joint of the heat exchanger 2, the process refrigeration equipment and the cooling water heating section 20, and the opening degree of the fourth electromagnetic valve 13 is automatically adjusted according to the automatic control setting temperature of the air conditioning system.
Further, a spraying device, a water tower fan and a water accumulation disc are arranged inside the cooling tower 9, the spraying device is located on the upper portion of the cooling tower 9, the water tower fan is located on the top of the cooling tower 9, and the water accumulation disc is located on the lower portion of the cooling tower 9.
Further, a third temperature sensor 24 is arranged on a pipeline between the second cooling pump 7 and the cooling tower 9, and the third temperature sensor 24 controls the number of running water tower fans.
Further, the first solenoid valve 10, the second solenoid valve 11, the third solenoid valve 12, the fourth solenoid valve 13, and the fifth solenoid valve 14 are three-way valves.
The utility model discloses a theory of operation: the utility model provides an air conditioner cooling water heat recovery system, when getting into summer, ice unit 8 opens, and the waste heat of the condenser on ice unit 8 passes through heat exchanger 2 and cooling tower 9 heat dissipation through the cooling water, and another strand of cooling water is passed through by reheat coil pipe, flows into energy storage water tank 3 after the reheat coil pipe of air conditioner, and energy storage water tank 3 plays energy storage, and a buffering effect to outdoor ambient temperature is sent into the board by reheat pump 1 and is traded the cooling water heat and supply air conditioner dehumidification heating rising temperature usefulness; the system converts the cooling water to 32-37 ℃ by adopting a heat exchange plate type plate for exchange, converts the heat of the cooling water into dehumidifying and heating, reduces the water temperature of the cooling water, provides a good operation condition for the operation of the ice unit 8, can improve the refrigerating effect of the ice unit 8, can dehumidify and heat the combined fresh air conditioning unit by the converted heat, greatly saves the operation cost, takes away the heat by the second cooling pump 7 through the cooling tower 9 when in winter, takes away the heat by southern outdoor 12 months to 2 months at an average temperature of 2-11 ℃, takes away the heat of process equipment by the heat exchanger by the cooling water, does not need the operation of the ice unit 8 when in winter, greatly saves the operation cost, buffers the change of the outdoor temperature through the energy storage water tank 3, controls the operation frequency of the water pump through the pressure sensor, through first temperature sensor 22, the operation number of control fan practices thrift the running cost, and this equipment operation has very big saving effect winter, and this system heats through ice unit 8 cooling water summer, leads to cooling tower 9 refrigeration winter, and great running cost has been practiced thrift to this system, and the operating power of system itself is low, and simple structure is reliable.
Drawings
Fig. 1 is the operation flow chart of the summer system of the present invention.
Fig. 2 is a flow chart of the operation of the winter system of the present invention.
Description of the main elements
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| Cooling |
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The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
The following examples are described to aid in the understanding of the present application and are not, and should not be construed to, limit the scope of the present application in any way.
In the following description, those skilled in the art will recognize that components may be described throughout this discussion as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).
Also, connections between components or systems within the figures are not intended to be limited to direct connections. Rather, data between these components may be modified, reformatted, or otherwise changed by the intermediate components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" and "fixed" are understood to encompass direct connections, indirect connections, or fixed through one or more intermediaries.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "side", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships commonly recognized in the product of the application, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Example (b):
as shown in fig. 1, it is a flow chart of the summer system of the present invention; as shown in fig. 2, it is a flow chart of the winter system of the present invention.
The utility model provides an air conditioner cooling water heat recovery system, includes reheat water pump 1, heat exchanger 2, energy storage water tank 3, PLC switch board 4, air conditioning box group 5, first cooling pump 6, second cooling pump 7, ice unit 8 and cooling tower 9, its characterized in that: a cooling water heating section 20 is arranged in the air conditioning box group 5, the water outlet end of the cooling pump 7 is connected with the water inlet end of the ice unit 8, the water outlet end of the ice unit 8 is connected with the water inlet end of the heat exchange plate 2, the water outlet end of the heat exchange plate 2 is connected with the water inlet end of the cooling tower, the water outlet end of the cooling tower and the water return end of the cooling water pump form a first heat exchange circulation loop,
the pipeline of the ice machine set 8 and the pipeline of the second cooling pump 7 are provided with a first electromagnetic valve 10, the pipeline of the second cooling pump 7 and the pipeline of the heat exchanger 2 are provided with a second electromagnetic valve 11, the pipeline of the ice machine set 8 and the pipeline of the heat exchanger 2 are provided with a third electromagnetic valve 12, the water outlet end of the cooling water heating section 20 is connected with the water inlet end of the energy storage water tank 3, the water outlet end of the energy storage water tank 3 is connected with the water inlet end of the reheating water pump 1, the water outlet end of the reheating water pump 1 is connected with the water inlet end of the heat exchanger 2, the water outlet end of the heat exchanger 2 is connected with the water inlet end of the process refrigeration equipment or the cooling water heating section 20 to form a second heat exchange circulation loop, the two heat exchange circulation loops form an air-conditioning and cooling water heat recovery system, and the first electromagnetic valve 10, the second electromagnetic valve 11 and the third electromagnetic valve 12 are respectively connected with the PLC control cabinet 4 through electric wires.
The heat exchanger 2 is composed of a plate heat exchanger 2 in the conventional technology, the plate heat exchanger 2 is formed by stacking a plurality of corrugated heat exchange fins and fastening the heat exchange fins through clamping plates and bolts, thin rectangular channels are formed among the heat exchange fins, and heat exchange is carried out through half fins.
The air conditioning box group 5 is sequentially discharged to the indoor from an air inlet of an outdoor fresh air system through a fresh air mixing section 15, a primary and intermediate effect section 16, a surface cooling section 17, a fan section 18, a flow equalizing section 19, a cooling water heating section 20 and a heating section 21.
The inside reheating coil that is equipped with of cooling water heating section 20, reheating coil's the end of giving out water connect the end of intaking of heat exchanger 2, reheating coil's the end of intaking is connected the end of intaking of energy storage water tank 3.
A first temperature sensor 22 is arranged on a pipeline between the reheating water pump 1 and the heat exchanger 2, a second temperature sensor 23 is arranged on a pipeline between the cooling tower 9 and the heat exchanger 2, a fifth electromagnetic valve 14 is arranged at the water inlet end of the heat exchanger 2 on the first heat exchange circulation loop, and the fifth electromagnetic valve 14 adjusts the flow opening of the heat exchanger 2 according to the first temperature sensor 22.
And a first pressure sensor 25 is arranged on pipelines of the cooling water heating section 20 and the energy storage water tank 3, a second pressure sensor 26 is arranged on pipelines of the reheating water pump 1 and the heat exchanger 2, and the reheating water pump 1 is operated in a variable frequency mode according to the pressure difference between the first pressure sensor 25 and the second pressure sensor 26.
And a fourth electromagnetic valve 13 is arranged at the joint of the heat exchanger 2, which is connected with the process refrigeration equipment and the cooling water heating section 20, and the opening degree of the fourth electromagnetic valve 13 is automatically adjusted according to the automatic control setting temperature of the air conditioning system.
The cooling tower 9 is internally provided with a spraying device, a water tower fan and a water accumulation disc, the spraying device is positioned on the upper part of the cooling tower 9, the water tower fan is positioned in the middle of the cooling tower 9, and the water accumulation disc is positioned on the lower part of the cooling tower 9.
And a third temperature sensor 24 is arranged on a pipeline between the second cooling pump 7 and the cooling tower 9, and the third temperature sensor 24 controls the number of running water tower fans.
The first solenoid valve 10, the second solenoid valve 11, the third solenoid valve 12 and the fourth solenoid valve 13 are two-way valves, and the fifth solenoid valve 14 is a three-way valve.
The utility model discloses a theory of operation: the utility model provides an air conditioner cooling water heat recovery system, when getting into summer, ice unit 8 opens, and the waste heat of the condenser on ice unit 8 passes through heat exchanger 2 and cooling tower 9 heat dissipation through the cooling water, and another strand of cooling water is passed through by reheat coil pipe, flows into energy storage water tank 3 after the reheat coil pipe of air conditioner, and energy storage water tank 3 plays energy storage, and a buffering effect to outdoor ambient temperature is sent into the board by reheat pump 1 and is traded the cooling water heat and supply air conditioner dehumidification heating rising temperature usefulness; the system converts the cooling water to 32-37 ℃ by adopting a heat exchange plate type plate for exchange, converts the heat of the cooling water into dehumidifying and heating, reduces the water temperature of the cooling water, provides a good operation condition for the operation of the ice unit 8, can improve the refrigerating effect of the ice unit 8, can dehumidify and heat the combined fresh air conditioning unit by the converted heat, greatly saves the operation cost, takes away the heat by the second cooling pump 7 through the cooling tower 9 when in winter, takes away the heat by southern outdoor 12 months to 2 months at an average temperature of 2-11 ℃, takes away the heat of process equipment by the heat exchanger by the cooling water, does not need the operation of the ice unit 8 when in winter, greatly saves the operation cost, buffers the change of the outdoor temperature through the energy storage water tank 3, controls the operation frequency of the water pump through the pressure sensor, through first temperature sensor 22, the operation number of control fan practices thrift the running cost, and this equipment operation has very big saving effect winter, and this system heats through ice unit 8 cooling water summer, leads to cooling tower 9 refrigeration winter, and great running cost has been practiced thrift to this system, and the operating power of system itself is low, and simple structure is reliable.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an air conditioner cooling water heat recovery system, includes reheat water pump (1), heat exchanger (2), energy storage water tank (3), PLC switch board (4), air conditioning box group (5), first cooling pump (6), second cooling pump (7), ice unit (8) and cooling tower (9), its characterized in that: the air conditioning unit is characterized in that an air conditioning unit group (5) is internally provided with an air conditioning section (17) and a cooling water heating section (20), the water outlet end of the air conditioning unit group (17) is connected with the water inlet end of a second cooling pump (7), the water outlet end of the second cooling pump (7) is connected with the water inlet end of an ice unit (8), the water outlet end of the ice unit (8) is connected with the water inlet end of the air conditioning unit group (17) to form a working circulation loop, the water outlet end of the second cooling pump (7) is connected with the water inlet end of the ice unit (8), the water outlet end of the ice unit (8) is also connected with the water inlet end of a heat exchanger (2), the water outlet end of the heat exchanger (2) is connected with the water inlet end of a cooling tower (9), the water outlet end of the cooling tower (9) is connected with the water inlet end of the second cooling pump (7) to form a first heat exchange circulation loop, and a first electromagnetic valve (10) is arranged on pipelines of the ice unit (8) and the second cooling pump (7), the pipeline of the second cooling pump (7) and the pipeline of the heat exchanger (2) are provided with a second electromagnetic valve (11), the pipeline of the ice maker set (8) and the pipeline of the heat exchanger (2) are provided with a third electromagnetic valve (12), the water outlet end of the cooling water heating section (20) is connected with the water inlet end of the energy storage water tank (3), the water outlet end of the energy storage water tank (3) is connected with the water inlet end of the reheating water pump (1), the water outlet end of the reheating water pump (1) is connected with the water inlet end of the heat exchanger (2), the water outlet end of the heat exchanger (2) is connected with the water inlet end of the process refrigeration equipment or the cooling water heating section (20) to form a second heat exchange circulation loop, the two heat exchange circulation loops form an air-conditioning cooling water heat recovery system, and the first electromagnetic valve (10), the second electromagnetic valve (11) and the third electromagnetic valve (12) are respectively connected with the PLC control cabinet (4) through electric wires.
2. The air conditioning cooling water heat recovery system of claim 1, wherein: the heat exchanger (2) is composed of a plate heat exchanger (2) in the conventional technology, the plate heat exchanger (2) is formed by stacking a plurality of corrugated heat exchange sheets and fastening the heat exchange sheets through clamping plates and bolts, thin rectangular channels are formed among the heat exchange sheets, and heat exchange is carried out through half sheets.
3. The air conditioning cooling water heat recovery system of claim 1, wherein: the air conditioning box group (5) is discharged to the indoor from the air inlet of the outdoor fresh air system after sequentially passing through a fresh air mixing section (15), a primary and intermediate effect section (16), a surface cooling section (17), a fan section (18), a flow equalizing section (19), a cooling water heating section (20) and a heating section (21).
4. The air conditioning cooling water heat recovery system of claim 1, wherein: the inside reheating coil that is equipped with of cooling water heating section (20), reheating coil's the end of giving out water connect the end of intaking of heat exchanger (2), reheating coil's the end of intaking connects the end of intaking of energy storage water tank (3).
5. The air conditioning cooling water heat recovery system of claim 1, wherein: a first temperature sensor (22) is arranged on a pipeline between the reheating water pump (1) and the heat exchanger (2), a second temperature sensor (23) is arranged on a pipeline between the cooling tower (9) and the heat exchanger (2), a fifth electromagnetic valve (14) is arranged at the water inlet end of the heat exchanger (2) on the first heat exchange circulation loop, and the fifth electromagnetic valve (14) adjusts the flow opening of the heat exchanger (2) according to the first temperature sensor (22).
6. The air conditioning cooling water heat recovery system of claim 1, wherein: be equipped with first pressure sensors (25) on the pipeline of cooling water heating section (20) and energy storage water tank (3), be equipped with second pressure sensors (26) on the pipeline of reheat water pump (1) and heat exchanger (2), make reheat water pump (1) variable frequency operation according to the pressure differential of first pressure sensors (25) and second pressure sensors (26).
7. The air conditioning cooling water heat recovery system of claim 1, wherein: a fourth electromagnetic valve (13) is arranged at the joint of the heat exchanger (2) and the process refrigeration equipment and the cooling water heating section (20), and the opening degree of the fourth electromagnetic valve (13) is automatically adjusted according to the self-control set temperature of the air conditioning system.
8. The air conditioning cooling water heat recovery system of claim 1, wherein: the cooling tower (9) is internally provided with a spraying device, a water tower fan and a water accumulation disc, the spraying device is positioned at the upper part of the cooling tower (9), the water tower fan is positioned at the middle part of the cooling tower (9), and the water accumulation disc is positioned at the lower part of the cooling tower (9).
9. The air conditioning cooling water heat recovery system of claim 1, wherein: and a third temperature sensor (24) is arranged on a pipeline between the second cooling pump (7) and the cooling tower (9), and the third temperature sensor (24) controls the number of running water tower fans.
10. The air conditioning cooling water heat recovery system of claim 1, wherein: the first electromagnetic valve (10), the second electromagnetic valve (11), the third electromagnetic valve (12) and the fourth electromagnetic valve (13) are two-way valves, and the fifth electromagnetic valve (14) is a three-way valve.
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| CN202023149984.XU CN214038855U (en) | 2020-12-24 | 2020-12-24 | Air conditioner cooling water heat recovery system |
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| CN202023149984.XU CN214038855U (en) | 2020-12-24 | 2020-12-24 | Air conditioner cooling water heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524783A (en) * | 2020-12-24 | 2021-03-19 | 江苏盛世华为工程技术有限公司 | Air conditioner cooling water heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524783A (en) * | 2020-12-24 | 2021-03-19 | 江苏盛世华为工程技术有限公司 | Air conditioner cooling water heat recovery system |
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Address after: Room 402, building 15, No.158, Jinfeng Road, high tech Zone, Suzhou, Jiangsu 215000 Patentee after: Suzhou Shengshi Huawei Decoration Design Engineering Co.,Ltd. Address before: Room 402, building 15, No.158, Jinfeng Road, high tech Zone, Suzhou, Jiangsu 215000 Patentee before: Jiangsu Shengshi Huawei Engineering Technology Co.,Ltd. |
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