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Indirect evaporation fluid cooling device with built-in heat exchanger

A fluid cooling and evaporative cooling technology, which is applied in the application field of the central air-conditioning system, can solve the problems of low cooling capacity and low cooling efficiency, and achieve the effect of improving cooling capacity, water evaporation and overall evaporative cooling efficiency

Pending Publication Date: 2021-11-19
SHENZHEN ESIN TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problem of low cooling efficiency and low refrigeration capacity of conventional closed cooling towers, the embodiments of the present invention use the cold water generated by the humidification wet film to cool the cooled fluid through the heat exchanger, and at the same time, the cold water generated by the wet film is heated. Spraying on the evaporative cooling heat exchanger, the organic combination of the two greatly improves the cooling efficiency and refrigeration capacity of the entire device

Method used

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  • Indirect evaporation fluid cooling device with built-in heat exchanger
  • Indirect evaporation fluid cooling device with built-in heat exchanger
  • Indirect evaporation fluid cooling device with built-in heat exchanger

Examples

Experimental program
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Effect test

no. 1 example

[0034] The indirect evaporative fluid cooling device of this embodiment, such as figure 1 As shown, it includes housing 600, air inlet 710, air outlet 720, fan 400, fluid inlet 810, water collection module 110, spray module 540, evaporative cooling heat exchanger 120, fluid outlet 820, wet film 200, heat exchanger 300 , a sump 510 , a circulating water pump 520 , and a replenishment valve 550 . From the perspective of external air, they are air inlet, wet film, evaporative cooling heat exchanger, spray module, water collection module, fan, and air outlet; from the perspective of circulating water, they are sump, circulating water pump, heat exchanger, and spray module , evaporative cooling heat exchanger, wet film, sump, and water replenishment valve; from the perspective of the cooled fluid, it is divided into fluid inlet, evaporative cooling heat exchanger, heat exchanger, and fluid outlet.

[0035] Preferably, an automatic filter sewage discharge device 530 is also provide...

Embodiment 2

[0058] Such as Figure 5 As shown, the difference between Embodiment 2 and Embodiment 1 is that an air-cooled surface cooler, an air-cooled circulation pump, and a check valve are further added after the cooled fluid flows out of the heat exchanger.

[0059] The air-cooled surface cooler 130 is arranged on the front side or below the air inlet direction of the wet film 200 , and the air-cooled surface cooler communicates with the air inlet 710 . The water outlet of the air-cooled surface cooler 130 is connected to the fluid inlet 810 of the indirect evaporative fluid cooling device through a pipeline; the water inlet of the air-cooled surface cooler 130 and the cooled fluid outlet of the heat exchanger 300 are connected to the air cooling cycle in sequence Pump 140, check valve 150.

[0060] When the fluid outlet temperature of the entire indirect evaporative fluid cooling device is lower than the ambient dry bulb temperature, the air-cooled surface cooler uses the cooled flu...

Embodiment 3

[0064] Embodiment three and embodiment four

[0065] Such as Figure 6 and Figure 7As shown, Embodiment 3 and Embodiment 4 further optimize the water eliminator into a fluid precooling surface cooler 110a on the basis of Example 1 and Embodiment 2, so as to collect water vapor and make full use of residual cooling in the air Cool the fluid to be cooled, improve the utilization rate of the residual air cooling of the cooling tower, and improve the cooling capacity of the indirect evaporative fluid cooling device.

[0066] Preferably, the surface of the fluid precooling surface cooler is provided with a hydrophilic coating added with infrared radiation heat dissipation material. In this embodiment, the coating contains nano-silicon dioxide or nano-alumina, and contains transition metal oxides such as cobalt, nickel, and manganese. Setting such a coating can improve the heat exchange efficiency of the fluid pre-cooling surface cooler, and at the same time better absorb water ...

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Abstract

The invention relates to an indirect evaporation fluid cooling device with a built-in heat exchanger. The indirect evaporation fluid cooling device comprises a shell, an air inlet, an air outlet, a fan, a fluid inlet, a water collecting module, a spraying module, an evaporation cooling heat exchanger, a fluid outlet, a wet film, the heat exchanger, a water collecting tank, a circulating water pump and a water supplementing valve. Cold water generated by humidifying the wet film cools cooled fluid through the heat exchanger, meanwhile, the cold water generated by the wet film is heated and then sprayed on the evaporation cooling heat exchanger, and the cooling efficiency and the refrigerating capacity of the whole device are greatly improved through organic combination of two.

Description

technical field [0001] The invention relates to the application field where the central air-conditioning system is located, in particular to the fields of air-conditioning energy saving and natural cooling. Background technique [0002] At present, the conventional cooling towers are mainly open towers, which consume a lot of water, and the outlet water temperature is higher than the wet bulb temperature of the external air, generally 2-5°C higher than the wet bulb temperature. Conventional closed cooling towers have many advantages such as cleanness, water saving, energy saving, direct cooling to the end, and cooling of various fluid media, but they also have disadvantages such as high cost, large volume, and cumbersome. These disadvantages are due to the low efficiency of the shell and tube heat exchanger used in the conventional closed cooling tower, the surface area is not large enough, the water spray is rough and uneven, and the cold water produced in the evaporative c...

Claims

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Application Information

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IPC IPC(8): F28D5/02
CPCF28D5/02
Inventor 白本通王浩
Owner SHENZHEN ESIN TECH CO LTD
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