CN214095596U - Full-condensing evaporative condenser - Google Patents
Full-condensing evaporative condenser Download PDFInfo
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- CN214095596U CN214095596U CN202022186220.1U CN202022186220U CN214095596U CN 214095596 U CN214095596 U CN 214095596U CN 202022186220 U CN202022186220 U CN 202022186220U CN 214095596 U CN214095596 U CN 214095596U
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- evaporative condenser
- cooling
- collecting pipeline
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Abstract
The utility model discloses a total condensation evaporative condenser, which comprises a heat exchange tube bundle, a condenser and a condenser, wherein the heat exchange tube bundle is provided with a first medium inlet and a first medium outlet; a final cooler is arranged in the water tank; and the final cooler is provided with a second medium inlet and a second medium outlet, and the second medium inlet is communicated with the first medium outlet through a pipeline. The final cooler comprises a heat exchange tube bank, a first collecting pipeline and a second collecting pipeline; the heat exchange tube bank is formed by combining a plurality of condensation tubes in parallel; the first collecting pipeline is a pipe body with two sealed ends, one side of the first collecting pipeline is provided with a plurality of first channel holes along the axis direction, and the second medium inlet is arranged in the middle of the other side of the first collecting pipeline; the second collecting pipeline is a pipe body with two sealed ends, one side of the second collecting pipeline is provided with a plurality of second channel holes along the axis direction, and the second medium inlet is arranged in the middle of the other side of the second collecting pipeline; the condenser pipe connects the first passage hole and the second passage hole. The utility model discloses can improve equipment condensation efficiency.
Description
Technical Field
The utility model belongs to the technical field of evaporative condenser, specifically speaking relates to evaporative condenser is congealed entirely.
Background
At present, environmental protection and energy conservation are two major subjects of current industrial reform in China, and a traditional evaporative condenser is structurally shown in fig. 1 and comprises a second shell 1.0, a second fan 1.1, a second water collector 1.2, a second spraying system 1.4, a second heat exchange coil 1.5, a second shutter 1.6 and a second water tank 1.7, wherein a third medium inlet 1.8 and a third medium outlet 1.9 are respectively arranged at two ends of the second heat exchange coil 1.5. The high-temperature gas enters the second heat exchange coil 1.5, exchanges heat with the spray water and the air outside the heat exchange coil 1.5, and is gradually condensed from high temperature to low temperature. Due to the condensation efficiency, the condensation rate is less than or equal to 95 percent.
In order to improve the condensation rate, the prior art is to add a water-cooling or plate heat exchanger as a secondary cooling in the back.
Utility model people are realizing the utility model discloses an in-process discovery prior art has following shortcoming: 1. the secondary cooling needs to be provided with a circulating water pump and a cooling tower, the circulating water pump consumes power, and the cooling tower consumes water, so that the investment and the operating cost of equipment are increased. 2. The water tank of the traditional evaporative condenser is easy to freeze in cold winter, auxiliary equipment such as electric heating and the like is needed, and energy consumption is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above not enough, provide the evaporative condenser of congealing entirely, overcome the defect that prior art exists, can improve equipment condensation efficiency, save water and electricity resource.
In order to solve the technical problem, the technical scheme of the utility model is that:
the total condensation evaporative condenser comprises a heat exchange tube bundle, a condenser body and a condenser body, wherein the heat exchange tube bundle is provided with a first medium inlet and a first medium outlet; a final cooler is arranged in the water tank; and the final cooler is provided with a second medium inlet and a second medium outlet, and the second medium inlet is communicated with the first medium outlet through a pipeline.
Preferably, the final cooler comprises a heat exchange tube row, a first collecting pipe and a second collecting pipe; the heat exchange tube bank is formed by combining a plurality of condensation tubes in parallel;
the first collecting pipeline is a pipe body with two sealed ends, one side of the first collecting pipeline is provided with a plurality of first channel holes along the axis direction, and the second medium inlet is arranged in the middle of the other side of the first collecting pipeline;
the second collecting pipeline is a pipe body with two sealed ends, one side of the second collecting pipeline is provided with a plurality of second channel holes along the axis direction, and the second medium outlet is arranged in the middle of the other side of the second collecting pipeline;
the condenser pipe connects the first passage hole and the second passage hole.
Preferably, the first and second liquid crystal materials are,
an inclined angle alpha is formed between the final cooler and the bottom surface of the water tank, and the second medium inlet end is arranged above the second medium outlet end.
Preferably, the value range of alpha is 2-10 degrees.
Preferably, the system also comprises a spraying area, a cooling area is arranged below the spraying area and above the heat exchange tube bundle, and the cooling area is provided with a cooling part for cooling spraying liquid.
Preferably, the cooling element is cooling tower PVC filler.
Preferably, the condenser tube is a finned tube.
The utility model adopts the above technical scheme, compare with prior art, have following advantage:
1. the heat exchange is carried out by adopting two modes of latent heat of vaporization and sensible heat, the heat exchange mode that the traditional evaporative condenser depends on single latent heat of vaporization is broken, and the condensation efficiency of the equipment is improved;
2. a secondary condensation heat exchanger is omitted, electricity and water are saved, and cost investment is reduced;
3. through set up the final cooler in the water tank, solved cold winter water tank problem of freezing.
Drawings
FIG. 1 is a schematic diagram of a conventional evaporative condenser of the prior art;
fig. 2 is a schematic structural diagram of a full condensation evaporative condenser in the present invention;
fig. 3 is a schematic structural diagram of the intermediate and final cooler of the present invention.
In the figure, the position of the upper end of the main shaft,
1.0-second shell, 1.1-second fan, 1.2-second water receiver, 1.4-second spraying system, 1.5-second heat exchange coil, 1.6-second louver, 1.7-second water tank, 1.8-third medium inlet, 1.9-third medium outlet, 2-water receiver, 3-cooling area, 4-spraying system, 5-heat exchange tube bundle, 6-louver, 7-water tank, 8-final cooler, 9-spraying area, 10-shell, 11-air inlet, 12-fan, 51-first medium inlet, 52-first medium outlet, 81-heat exchange tube row, 811-condenser tube, 82-first collecting tube, 83-second collecting tube, 84-second medium inlet, 85-second medium outlet, 822-first channel hole, 832-second channel hole.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings, and those skilled in the art will understand that the following does not limit the scope of the present invention.
In the embodiment, as shown in fig. 2 to 3, the total condensation evaporative condenser includes a housing 10, a fan 12 is disposed on the top of the housing 10, and air inside the housing 10 is exhausted by the fan 12.
The shell 10 is internally provided with a water collector 2, a spraying area 9, a cooling area 3, a heat exchange tube bundle 5 and a water tank 7 from the top to the bottom in sequence.
In order to enhance the heat transfer outside the pipe, the fan 12 can be designed into a single unit or a combination of multiple units.
The water collector 2 is arranged below the fan 12, the water pump of the spraying system 4 is started in summer, large water drops can be collected by the water collector 2 due to air suction at the top of the fan 12, and small saturated steam can be discharged to the atmosphere through the fan 12.
A spray pipe is arranged in the spray area 9, a spray head is arranged below the spray pipe, and the spray pipe is connected with a water pump. The water pump, the spray pipe and the spray head form a spray system 4, and the spray system 4 is used for cooling spray water and condensing media in the heat exchange pipe.
The cooling zone 3 is used for cooling the spraying water, a cooling piece for cooling the spraying liquid is arranged in the cooling zone 3, and the cooling piece is cooling tower PVC filler and is arranged below the spraying zone 9.
The heat exchange tube bundle 5 is formed by combining a coiled pipe or a straight pipe and is used for condensing and cooling a medium. The heat exchanger tube bundle 5 is provided with a first medium inlet 51 and a second medium outlet 52. The first medium inlet 51 is a medium inlet.
The water tank 7 is positioned at the bottom of the equipment, the water tank 7 is connected with a water pump of the spraying system 4, the water pump pumps water from the water tank 7 and sends the water to the spraying pipe, a spray head is arranged below the spraying pipe, the water is sprayed to the upper surface of the cooling area through the spray head and then flows through the heat exchange pipe bundle 5, a small part of water is evaporated, and most of water falls back to the water tank 7 for repeated circulation.
The water tank 7 is internally provided with a final cooler 8 which is a secondary condensation cooling part.
The final cooler 8 comprises a heat exchange tube bank 81, the heat exchange tube bank 81 is formed by combining a plurality of condensation tubes 811 in parallel, the condensation tubes 811 are finned tubes or tubes with smooth surfaces, the fin types comprise wound fins, rolled fins, penetrating fins and the like, and the fins have the function of increasing the heat exchange area outside the tubes to strengthen the heat transfer outside the tubes.
One end of the heat exchange tube bank 81 is provided with a first collecting tube 82, and the other end of the heat exchange tube bank 81 is provided with a second collecting tube 83;
the first collecting pipe 82 is a pipe body with two sealed ends, one side of the first collecting pipe 82 is provided with a plurality of first channel holes 822 along the axial direction, and the middle of the other side of the first collecting pipe 82 is provided with a second medium inlet 84;
a second collecting duct 83 having two sealed ends, one side of the second collecting duct 83 having a plurality of second passage holes 832 along an axial direction, and the middle of the other side of the second collecting duct 83 having a second medium outlet 85;
the condensation pipe 811 connects the first channel hole 822 and the second channel hole 832.
The second medium inlet 84 is in communication with the first medium outlet 52 via a conduit. The second medium outlet 85 is a cooled medium final outlet.
The final cooler 8 is arranged in the middle of the water tank 7, an inclination angle alpha is formed between the heat exchange tube bank 81 of the final cooler 8 and the bottom surface of the water tank 7, the value range of alpha is 2-10 degrees, the second medium inlet 84 end is arranged above the second medium outlet 85 end, and the condensate liquid is placed to flow out conveniently.
The lower part of the shell 10 is provided with an air inlet 11, the air inlet 11 is provided with a shutter 6, and the shutter 6 is arranged above the water tank 7.
The working principle is as follows:
the water pump pressurizes and sends spray water into the spray zone 9 located above the cooling zone 3, the spray water is uniformly sprayed on the surface of the filler of the cooling zone 3 downwards through the nozzle, the spray water is cooled through the cooling zone 3 and then is sprayed to the outside of the heat exchange tube bundle 5 to form an even water film, the water film is evaporated and vaporized continuously, the heat of the medium in the tube is absorbed, and the medium in the tube is condensed (the latent heat of water vaporization greatly exceeds the sensible heat of water heating, so that the whole heat transfer process is greatly enhanced, and the heat exchange area is reduced).
The evaporation of water film makes the air pass heat exchanger tube bank 5 back humidity greatly increased and be close the saturated condition, the medium condensation 95% of heat exchanger tube bank 5 the inside, remaining 5% enter the final cooler 8 in the water tank 7 by the medium of condensation and carry out the secondary sensible heat transfer, the heat of medium in the final cooler 8 is taken away to the circulating water, the temperature risees and gets into the shower by circulating water pump with the water pressurization of heating, the shower water sprays and forms the water film on the surface of packing, carry out the heat convection with the air that enters into casing 10 from shutter 6, the heat of shower water is taken away in the evaporation, reduce shower water temperature.
The cooled spray water is sprayed on the surface of the heat exchange tube bundle 5 to be evaporated again, saturated wet air is pumped out by the fan 12 and passes through the water collector 2 positioned above the cooling area 3, water drops carried in the saturated wet air are removed, then the saturated wet air is discharged into the atmosphere from the outlet of the fan 12, a small amount of water is vaporized in the process, and most of the water falls back to the water tank 7 and is pressurized by the water pump for recycling.
The combination of evaporation and sensible heat exchange can utilize the existing energy consumption to a large extent and complete the task which can only be completed by the secondary heat exchanger.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (7)
1. The total condensation evaporative condenser is characterized in that: comprises that
The heat exchange tube bundle (5) is provided with a first medium inlet (51) and a first medium outlet (52);
a final cooler (8) is arranged in the water tank (7);
and the final cooler (8) is provided with a second medium inlet (84) and a second medium outlet (85), and the second medium inlet (84) is communicated with the first medium outlet (52) through a pipeline.
2. The total condensation evaporative condenser as set forth in claim 1, wherein:
the final cooler (8) comprises a heat exchange tube row (81), a first collecting pipe (82) and a second collecting pipe (83);
the heat exchange tube bank (81) is formed by combining a plurality of condensation tubes (811) in parallel;
the first collecting pipeline (82) is a pipe body with two sealed ends, a plurality of first channel holes (822) are formed in one side along the axial direction, and the second medium inlet (84) is formed in the middle of the other side of the first collecting pipeline (82);
the second collecting pipeline (83) is a pipe body with two sealed ends, one side is provided with a plurality of second channel holes (832) along the axial direction, and the second medium outlet (85) is arranged in the middle of the other side of the second collecting pipeline (83);
the condensation pipe (811) connects the first passage hole (822) and the second passage hole (832) to each other.
3. The total condensation evaporative condenser as set forth in claim 2, wherein:
an inclined angle alpha is formed between the final cooler (8) and the bottom surface of the water tank (7), and the end of the second medium inlet (84) is arranged above the end of the second medium outlet (85).
4. The total condensation evaporative condenser as set forth in claim 3, wherein:
the value range of alpha is 2-10 degrees.
5. The total condensation evaporative condenser as set forth in claim 4, wherein:
the heat exchanger is characterized by further comprising a spraying area (9), a cooling area (3) is arranged below the spraying area (9), the cooling area (3) is arranged above the heat exchange tube bundle (5), and a cooling part for cooling spraying liquid is arranged in the cooling area (3).
6. The total condensation evaporative condenser as set forth in claim 5, wherein:
the cooling piece is cooling tower PVC filler.
7. The total condensation evaporative condenser as set forth in claim 2, wherein:
the condenser pipe (811) is a finned pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186220.1U CN214095596U (en) | 2020-09-29 | 2020-09-29 | Full-condensing evaporative condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186220.1U CN214095596U (en) | 2020-09-29 | 2020-09-29 | Full-condensing evaporative condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214095596U true CN214095596U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022186220.1U Active CN214095596U (en) | 2020-09-29 | 2020-09-29 | Full-condensing evaporative condenser |
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| CN (1) | CN214095596U (en) |
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2020
- 2020-09-29 CN CN202022186220.1U patent/CN214095596U/en active Active
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