Steam-fume heat exchanger and heat exchange system
A technology for flue gas heat exchangers and heat exchangers, which is applied in the direction of steam/steam condensers, heat exchanger shells, heat exchange equipment, etc., and can solve the problem that heat exchange tubes are easily corroded by flue gas and the anti-corrosion effect of heat exchange tubes Poor, poor heat transfer effect of the heat exchanger, etc., to achieve the effect of improving the anti-corrosion effect, good heat transfer effect, and improving the heat transfer effect
Inactive Publication Date: 2016-12-14
衢州佰强新材料科技有限公司
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Problems solved by technology
[0002] When the existing heat exchanger is used for heat exchange of boiler flue gas, the heat exchange tube made of steel pipe in the heat exchanger is easily corroded by the flue gas; in order to prevent the steel pipe from being corroded and damaged by the boiler flue gas, the current heat exchanger In the heater, the steel pipe is generally covered with a plastic or paint to isolate the surface of the steel pipe from the boiler flue gas
However, there are pores on the surface of the heat exchange tubes in the existing heat exchangers, resulting in poor anti-corrosion effect of the heat exchange tubes; less effective
Therefore, the existing heat exchangers have the problems of pores on the surface of the heat exchange tubes, poor anti-corrosion effect of the heat exchange tubes, large thermal resistance and poor heat exchange effect.
Method used
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[0021] The present invention will be further described below in conjunction with the examples, but not as a basis for limiting the present invention.
[0022] Example. A steam and flue gas heat exchanger, constituted as figure 1 , 2 , 3, including the frame 1, the frame 1 is provided with a housing 2; the two sides of the housing 2 are respectively provided with a flue gas inlet and a flue gas outlet, and the two ends of the housing 2 are connected with the housing 2 chambers with isolated inner chambers; steam inlet 4 and condensate outlet 5 are respectively provided on the two chambers, and multiple fluoroplastic steel pipes 6 distributed in an array and connected to the two chambers are also arranged between the two chambers; The fluoroplastic steel pipe 6 includes a steel pipe 7 and a fluoroplastic layer 8 extruded on the outer surface of the steel pipe 7 .
[0023] The chamber includes a tube sheet 9 and an arc-shaped cover 3 , the tube sheet 9 is connected to the shel...
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Abstract
The invention discloses a steam-fume heat exchanger and a heat exchange system. The heat exchanger comprises a rack (1), wherein a shell body (2) is disposed on the rack (1); a fume inlet and a fume outlet are formed in two sides of the shell body (2) respectively, and chambers are connected to two end parts of the shell body (2); a steam inlet (4) and a condensed water outlet (5) are formed in the two chambers respectively, and multiple fluorine plastic steel tubes (6) which form array distribution and communicate with the two chambers are disposed between the two chambers; and each fluorine plastic steel tube (6) comprises a steel tube (7) and a fluorine plastic layer (8) which is formed on the outer surface of the steel tube (7) by extrusion molding. According to the invention, surface pores of a heat exchange tube can be eliminated; anti-corrosion effects of the heat exchange tube can be enhanced; a phenomenon of ''white smoke emission'' of a chimney can be eliminated; and thermal resistance is small, and heat exchange effects are good.
Description
technical field [0001] The invention relates to a steam and flue gas heat exchanger and a heat exchange system. Background technique [0002] When the existing heat exchanger is used for heat exchange of boiler flue gas, the heat exchange tube made of steel pipe in the heat exchanger is easily corroded by the flue gas; in order to prevent the steel pipe from being corroded and damaged by the boiler flue gas, the current heat exchanger In the heater, the steel pipe is generally covered with a plastic or paint to isolate the surface of the steel pipe from the boiler flue gas. However, there are pores on the surface of the heat exchange tubes in the existing heat exchangers, resulting in poor corrosion resistance of the heat exchange tubes; The effect is poor. Therefore, the existing heat exchangers have the problems of pores on the surface of the heat exchange tubes, poor anti-corrosion effect of the heat exchange tubes, large thermal resistance and poor heat exchange effect...
Claims
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IPC IPC(8): F28B1/06F28F9/02F28F19/00F28F21/06F23J15/02
CPCF28B1/06F23J15/02F23J15/025F23J2215/20F23J2217/10F23J2217/102F28F9/0229F28F19/00F28F21/062
Inventor 朱云峰李军余正勇杨明顾建平胡海方章平衡
Owner 衢州佰强新材料科技有限公司