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Heat exchange device

A heat exchange device and heat pipe technology, which is applied to heat exchange equipment, indirect heat exchangers, lighting and heating equipment, etc., can solve the problems of low utilization rate, inability to make full use of flue gas energy and high energy in the existing technology, and save energy. consumption, improving energy efficiency, and saving energy

Pending Publication Date: 2020-11-06
GUANGDONG OVERLAND CERAMICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The temperature of flue gas produced in the kiln for ceramic tile production can reach over 400 degrees Celsius, and the energy is very high. The utilization rate of the existing technology is low, and the energy in the flue gas cannot be fully utilized

Method used

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  • Heat exchange device

Examples

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Effect test

Embodiment 1

[0036] A heat exchange device, comprising:

[0037] A cold source 1, the cold source 1 includes a first box 11 and a blower 12, and the first box 11 communicates with the blower 12;

[0038] Heat exchanger 2, the heat exchanger 2 includes a second box body 21, a heat pipe 23, an induced draft fan 22, the heat pipe 23 is arranged in the second box body 21, and the induced draft fan 22 is the same as the second box body 21, the second box 21 is connected with the smoke pipe 3;

[0039] The second box 21 is connected to the first box 11, the heat pipe 23 includes a vaporization section and a liquefaction section, and the liquefaction section is arranged between the first box 11 and the second box 21. Junction. The heat pipe 23 is not less than one, and the vaporization section of the heat pipe 23 is distributed in the second box 21 . The flow rate of flue gas in the smoke pipe 3 is 15000~25000Nm 3 / h, the temperature of the flue gas is 350~450°C. The flow rate of the air in ...

Embodiment 2

[0043] A heat exchange device, comprising:

[0044] A cold source 1, the cold source 1 includes a first box 11 and a blower 12, and the first box 11 communicates with the blower 12;

[0045] Heat exchanger 2, the heat exchanger 2 includes a second box body 21, a heat pipe 23, an induced draft fan 22, the heat pipe 23 is arranged in the second box body 21, and the induced draft fan 22 is the same as the second box body 21, the second box 21 is connected with the smoke pipe 3;

[0046] The second box 21 is connected to the first box 11 , the heat pipe 23 includes a vaporization section and a liquefaction section, and the vaporization section is distributed in the second box 21 . The heat pipe 23 is not less than one, and the liquefied section of the heat pipe 23 passes through the walls of the first box 11 and the second box 12 and enters the first box 11 . The flow rate of flue gas in the smoke pipe 3 is 15000~25000Nm 3 / h, the temperature of the flue gas is 350~450°C. The ...

Embodiment 3

[0049]The difference between embodiment 3 and embodiment 1 is that the heat pipe is coated with a self-cleaning coating, and the self-cleaning coating is formed by coating the heat pipe with a self-cleaning coating; the preparation method of the self-cleaning coating is as follows: :

[0050] Get 22Kg of polytetrafluoroethylene resin, 6Kg of polyether sulfone resin, 7 parts of modified nano-silica, 6Kg of modified nano-titanium dioxide, 0.6Kg of dispersant, 0.7Kg of defoamer, 0.7Kg of leveling agent, and 110Kg of xylene ;

[0051] Add polyethersulfone resin into xylene, heat and stir to dissolve evenly, add modified nano-silica, modified nano-titanium dioxide, defoamer, leveling agent, dispersant, and ball mill in a ball mill for 36 hours, and the slurry obtained by ball milling Stir and mix the material with polytetrafluoroethylene resin powder evenly, and sieve to obtain the self-cleaning coating.

[0052] The preparation method of the modified nano-silica is as follows: m...

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Abstract

The invention relates to the technical field of ceramic production and provides a heat exchange device used for achieving the purpose of recycling of heat in smoke. The heat exchange device comprisesa cold source and a heat exchanger. The cold source comprises a first box and an air blower, and the first box communicates with the air blower. The heat exchanger comprises a second box, heat pipes and a draught fan, the heat pipes are arranged in the second box, the draught fan is connected with the second box, and the second box is connected with a smoke pipe. The second box is connected with the first box, each heat pipe comprises a vaporization section and a liquidation section, and the liquidation sections are arranged at the connecting part of the first box and the second box. Heat in the smoke is fully utilized, and meanwhile pollutants in the smoke cannot be led into the cold source; and the energy utilization efficiency is improved, and the dosage of water gas in the ceramic production process is saved.

Description

technical field [0001] The invention relates to the field of ceramic production, in particular to a heat exchange device. Background technique [0002] At present, as the country has higher and higher requirements for environmental protection, flue gas desulfurization systems are installed before the flue gas of most fuels is discharged. Among the flue gas desulfurization systems used in China, due to the mature wet desulfurization technology and high desulfurization efficiency, most The wet desulfurization method used. However, in order to ensure the desulfurization effect of the flue gas, the pre-desulfurized flue gas must be cooled before entering the desulfurization tower. The traditional method only considers flue gas desulfurization, and does not make reasonable use of the heat carried by the flue gas. [0003] The temperature of the flue gas produced in the kiln for tile production can reach over 400 degrees Celsius, and the energy is very high. The utilization rate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D15/02F28F19/02F28F27/00F23J15/06
CPCF28D15/0258F28F19/02F28F27/00F23J15/06Y02E20/30
Inventor 麦文英汪加武叶建明李姣华潘克芳
Owner GUANGDONG OVERLAND CERAMICS CO LTD
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