CN214276553U - Multistage evaporative condenser - Google Patents
Multistage evaporative condenser Download PDFInfo
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- CN214276553U CN214276553U CN202023274024.6U CN202023274024U CN214276553U CN 214276553 U CN214276553 U CN 214276553U CN 202023274024 U CN202023274024 U CN 202023274024U CN 214276553 U CN214276553 U CN 214276553U
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Abstract
The invention discloses a multistage evaporative condenser, which comprises a shell and a multistage heat exchange tube device, wherein the multistage heat exchange tube device comprises a plurality of vertically arranged sleeves, and the sleeves are sequentially provided with a compressed air tube, a cooling water tube and a cooled medium tube from inside to outside; the upper end of the cooled medium pipe is communicated and provided with an inlet, and the lower end of the cooled medium pipe is communicated and provided with an outlet; the upper end of the cooling water pipe penetrates through the cooled medium pipe and is communicated with the cooled medium pipe and is provided with a water outlet, and the lower end of the cooling water pipe penetrates through the cooled medium pipe and is communicated with the cooled medium pipe and is provided with a water inlet; the upper end of the compressed air pipe penetrates through the cooling water pipe and is communicated with the cooling water pipe, an air outlet is arranged on one side of the compressed air pipe, the lower end of the compressed air pipe penetrates through the cooling water pipe and is connected with an air distributor, and an air compressor is connected to the air distributor; the spraying water distributor and the fan are arranged above the multistage heat exchange tube device, the water accumulation disc is arranged below the multistage heat exchange tube device, and the water accumulation disc is provided with the water pump and is connected with the spraying water distributor. The invention adopts a composite cold source mode, and effectively reduces the power consumption of the refrigeration system.
Description
Technical Field
The invention belongs to the field of condensers, and particularly relates to a multistage evaporative condenser.
Background
At present, the IDC machine room adopts new technologies to improve the energy efficiency ratio of refrigeration and hot standby, and the new technologies comprise a fresh air type energy-saving system, a heat exchange system, a heat pipe exchanger for energy saving and the like. The heat pipe technology is mature and applied to industries such as spacecrafts, electronic equipment, waste heat recovery and the like, and the heat pipe technology has high heat transfer efficiency and energy-saving effect, so that the heat pipe is continuously developed in the machine room air conditioning industry.
The condenser is one of main heat exchange equipment in the refrigerating system, and its effect is to go out the heat transfer in the refrigeration medium, and the superheated refrigeration medium steam liquefaction in the condenser is liquid simultaneously, and the quality of its performance has important influence to whole refrigerating system's performance. Depending on the cooling medium, the condenser can be classified into an air-cooled type, a water-cooled type, and a combined air and water-cooled type. The air cooling type condenser uses air as a cooling medium, and because the heat exchange coefficient of the air is small, the heat exchange capacity of the condenser is greatly reduced, the water consumption of the water cooling type condenser is large, the water waste is serious, the condenser and the cooling tower are arranged in a split mode under the common condition, and therefore a large-capacity and high-lift circulating water pump is required to be configured, and the defects that the cost and the power consumption of the water pump are high and the like are caused. The air and water combined cooling type condenser transfers heat by using the latent heat of evaporation of water, the water transfer of unit mass can transfer more heat, and the condenser has obvious energy-saving effect in operation, but cannot be fully utilized in summer.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multi-stage evaporative condenser aiming at the defects of the background technology, and effectively reducing the power consumption of a refrigeration system by adopting a composite cold source mode.
The invention adopts the following technical scheme for solving the technical problems:
a multistage evaporative condenser comprises a shell, wherein a multistage heat exchange tube device is arranged in the shell, the multistage heat exchange tube device adopts a tube-in-tube structure and comprises a plurality of vertically arranged sleeves, and the sleeves are sequentially provided with a compressed air tube, a cooling water tube and a cooled medium tube from inside to outside;
the upper ends of all the cooled medium pipes are communicated and provided with inlets on one side, and the lower ends of all the cooled medium pipes are communicated and provided with outlets on one side; the upper ends of all the cooling water pipes penetrate through the cooled medium pipe and are communicated with each other, and a water outlet is arranged on one side of the cooling water pipes; the upper ends of all the compressed air pipes penetrate through the cooling water pipe and are communicated with each other, an air outlet is formed in one side of each compressed air pipe, the lower ends of the compressed air pipes penetrate through the cooling water pipe and are connected with an air distributor, and an air compressor is connected to the air distributor;
the spray water distributor is arranged above the multistage heat exchange tube device, the fan is arranged above the spray water distributor, the water accumulation disc is arranged below the multistage heat exchange tube device, and the water accumulation disc is provided with the water pump and is connected to the spray water distributor.
Further, a cold air gun is arranged between the air compressor and the air distributor.
Furthermore, the spraying water distributor comprises a spraying pipe covering the upper surface of the whole multistage heat exchange pipe device, and a spraying head is arranged below the spraying pipe.
Further, the air-conditioning system also comprises a controller and a temperature sensor for detecting the ambient temperature, wherein the air compressor, the cold air gun, the water pump and the fan are all connected to the controller.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
the multi-stage evaporative condenser can realize real-time automatic switching of the refrigeration mode under different environmental temperatures, and meets the cooling requirement of a machine room; the invention adopts five cooling modes for adjustment, realizes multi-stage refrigeration, random switching of a natural cold source, a natural cold source and a mechanical cold source and automatic switching in real time, greatly improves the heat exchange efficiency of the condenser, and is energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic structural diagram of the present embodiment.
In the figure, 1, a housing; 101. a cooled medium pipe; 102. a cooling water pipe; 103. a compressed air pipe; 2. an air compressor; 3. a cold air gun; 4. an air distributor; 5. spraying a water distributor; 6. a fan; 7. a water accumulation plate; 8. and (4) a water pump.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
the utility model provides a multistage evaporative condenser, as shown in fig. 1 and 2, includes casing 1, is provided with multistage heat exchange tube device in the casing 1, multistage heat exchange tube device adopts pipe-in-pipe structure, includes the sleeve pipe of a plurality of vertical settings, the sleeve pipe is compressed air pipe 103, condenser tube 102 and is cooled medium pipe 101 from inside to outside in proper order.
The upper ends of all the cooled medium pipes 101 are communicated and provided with inlets on one side, and the lower ends are communicated and provided with outlets on one side; the upper ends of all the cooling water pipes 102 penetrate through the cooled medium pipe 101 and are communicated with each other, a water outlet is arranged on one side of the cooling water pipes, the lower ends of the cooling water pipes penetrate through the cooled medium pipe 101 and are communicated with each other, a water inlet is arranged on one side of the cooling water pipes, and the water inlets and the water outlets of the cooling water pipes 102 are connected with a circulating cooling water device, for example, a water tank with a circulating pump is connected into the cooling water device; the upper ends of all the compressed air pipes 103 penetrate through the cooling water pipe 102 and then are communicated with each other, an air outlet is formed in one side of each compressed air pipe, the lower ends of the compressed air pipes penetrate through the cooling water pipe 102 and then are connected with an air distributor 4, and the air distributor 4 is connected with an air compressor 2.
And a spraying water distributor 5 is arranged above the multistage heat exchange tube device, the spraying water distributor 5 comprises a spraying tube covering the upper surface of the whole multistage heat exchange tube device, and a spraying head is arranged below the spraying tube. A fan 6 is arranged above the spraying water distributor 5, a water accumulation disc 7 is arranged below the multistage heat exchange tube device, and a water pump 8 is arranged on the water accumulation disc 7 and is connected into the spraying water distributor 5. A cold air gun 3 is arranged between the air compressor 2 and the air distributor 4. Still including the controller with be used for detecting ambient temperature's temperature sensor, air compressor 2, cold wind rifle 3, water pump 8 and fan 6 all connect on the controller, the controller chooses for use single chip microcomputer controller or PLC controller all can.
Description of specific embodiments:
as shown in fig. 1, the operation modes of a multi-stage evaporative condenser of the present invention can be divided into five types:
firstly, spraying and cooling operation; secondly, cooling the cooling water to operate; thirdly, compressed air is cooled and operated; fourthly, cooling spray water and cooling water; fifthly, spray water cooling and compressed air cooling operation are carried out; the five operation modes can automatically switch operation, thereby achieving the energy-saving effect.
The operation principle of the multistage evaporative condenser is as follows:
the multistage evaporative condenser detects the outdoor environment temperature according to the temperature sensor, and then automatically carries out the running switching of different modes through the controller.
The multistage heat exchange tube device 1 consists of three layers of sleeves, namely a spraying water distribution layer 5, a cooled medium layer 101, a cooling water layer 102 and a compressed air layer 103 from outside to inside.
The spraying and water distributing layer comprises: a spray water distributor 5, a water accumulation disc 7 and a water pump 8.
The compressed air layer includes: an air compressor 2, a cold air gun 3 and an air distributor 4.
When the outdoor environment is in cold seasons, the fan 6 is started, the water pump 8 is started at the same time, the cooled medium pipe 101 is cooled, and the refrigerant in the cooled medium pipe 101 is cooled to form liquid which flows out from the outlet. This mode is the most energy-saving mode of natural cold source.
When the outdoor environment is in a transition season, the fan 6 is started, and meanwhile, the circulating pump of the cooling water pipe 102 is started to cool the cooled medium pipe 101, and the refrigerant in the cooled medium pipe 101 is cooled to form liquid to flow out. When the cooling water pipe 102 is not enough to provide the required heat exchange amount, the water pump 8 is turned on, and the operation mode is as follows: spray water cooling and cooling water cooling are carried out. The mode is a natural cold source energy-saving mode.
When the outdoor environment is in a high-temperature season, the fan 6 is started, the air compressor 2 is started at the same time, the cooled medium pipe 101 is cooled, and the refrigerant in the cooled medium pipe 101 is cooled to form liquid which flows out from the outlet. This mode is a mechanical heat sink mode. When the air compressor 2 is started and the required heat exchange amount is not sufficiently provided, the water pump 8 is started, and the operation mode is as follows: and (5) carrying out spray water cooling and compressed air cooling operation. The mode is a parallel mode of a natural heat source and a mechanical heat source.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention. While the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. A multi-stage evaporative condenser, comprising: the heat exchanger comprises a shell (1), wherein a multi-stage heat exchange tube device is arranged in the shell (1), the multi-stage heat exchange tube device adopts a tube-in-tube structure and comprises a plurality of vertically arranged sleeves, and the sleeves sequentially comprise a compressed air tube (103), a cooling water tube (102) and a cooled medium tube (101) from inside to outside;
the upper ends of all the cooled medium pipes (101) are communicated and provided with inlets on one side, and the lower ends are communicated and provided with outlets on one side; the upper ends of all the cooling water pipes (102) penetrate through the cooled medium pipe (101) and are communicated with each other, a water outlet is formed in one side of the cooling water pipes, the lower ends of the cooling water pipes penetrate through the cooled medium pipe (101) and are communicated with each other, and a water inlet is formed in one side of the cooling water pipes; the upper ends of all the compressed air pipes (103) penetrate through the cooling water pipe (102) and are communicated with each other, an air outlet is formed in one side of each compressed air pipe, the lower ends of the compressed air pipes penetrate through the cooling water pipe (102) and are connected with an air distributor (4), and an air compressor (2) is connected to the air distributor (4);
the spray water distributor (5) is arranged above the multistage heat exchange tube device, the fan (6) is arranged above the spray water distributor (5), the water collecting tray (7) is arranged below the multistage heat exchange tube device, and the water collecting tray (7) is provided with the water pump (8) and is connected into the spray water distributor (5).
2. The multi-stage evaporative condenser of claim 1, wherein: and a cold air gun (3) is arranged between the air compressor (2) and the air distributor (4).
3. The multi-stage evaporative condenser of claim 1, wherein: the spraying water distributor (5) comprises a spraying pipe covering the upper surface of the whole multistage heat exchange pipe device, and a spraying head is arranged below the spraying pipe.
4. A multistage evaporative condenser as set forth in claim 2 wherein: the air cooling device is characterized by further comprising a controller and a temperature sensor for detecting the ambient temperature, wherein the air compressor (2), the cold air gun (3), the water pump (8) and the fan (6) are all connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023274024.6U CN214276553U (en) | 2020-12-30 | 2020-12-30 | Multistage evaporative condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023274024.6U CN214276553U (en) | 2020-12-30 | 2020-12-30 | Multistage evaporative condenser |
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| Publication Number | Publication Date |
|---|---|
| CN214276553U true CN214276553U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023274024.6U Active CN214276553U (en) | 2020-12-30 | 2020-12-30 | Multistage evaporative condenser |
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| Country | Link |
|---|---|
| CN (1) | CN214276553U (en) |
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- 2020-12-30 CN CN202023274024.6U patent/CN214276553U/en active Active
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