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Tubular heating medium water heat exchange system chemical dosing device and control method thereof

A technology of a dosing device and a heat exchange system, applied in heat exchange equipment, chemical instruments and methods, lighting and heating equipment, etc., can solve problems such as easy partial acidity and inner surface corrosion, achieve convenient operation, avoid internal corrosion, The simple effect of the system

Inactive Publication Date: 2017-01-04
ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Due to the presence of dissolved oxygen in the heat medium water and the pH value tends to be slightly acidic, it is easy to cause corrosion on the inner surface of the piping in the heat medium water system

Method used

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  • Tubular heating medium water heat exchange system chemical dosing device and control method thereof
  • Tubular heating medium water heat exchange system chemical dosing device and control method thereof
  • Tubular heating medium water heat exchange system chemical dosing device and control method thereof

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the examples. The description of the following examples is provided only to aid the understanding of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0021] refer to Figure 1 to Figure 6 As shown, this tubular heat medium water heat exchange system dosing device, said device includes heat medium water dosing box 1, water inlet valve 3, outlet valve 4, medicine inlet valve 5, exhaust valve 6, discharge Valve 7 and its connecting pipes.

[0022] The water inlet valve 3, the outlet valve 4, the medicine inlet valve 5, the exhaust valve 6 and the relief valve 7 are all connected to the heat medium water dosing ...

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Abstract

The invention relates to a tubular heating medium water heat exchange system chemical dosing device. The tubular heating medium water heat exchange system chemical dosing device comprises a heating medium water chemical dosing box and a water inlet valve, an outlet valve, a chemical inlet valve, an exhaust valve and a drainage valve which are connected with the heating medium water chemical dosing box; the water inlet valve is located in the middle of the heating medium water chemical dosing box, the outlet valve and the drainage valve are located at the bottom of the heating medium water chemical dosing box, and the chemical inlet valve and the exhaust valve are located on the top of the heating medium water chemical dosing box; the water inlet valve is connected with a heating medium water pump outlet main-pipe in a heating medium water circulation system through a water inlet pipeline; the outlet valve is connected with a heating medium water pump inlet main-pipe through an outlet pipeline. The tubular heating medium water heat exchange system chemical dosing device has the advantages that by means of an original heating medium water circulation system, chemical dosing in the system is achieved through pressure of a heating medium water pump in the system; the system is simple, operation is convenient, and practicability is high; internal corrosion of system piping is avoided, and stable and safe operation of the whole system is achieved.

Description

technical field [0001] The invention relates to a dosing device, in particular to a dosing device and a control method for a tubular heat medium water heat exchange system, belonging to the technical field of heat exchangers. Background technique [0002] In order to solve the common white smoke plume problem in coal-fired power plants and better meet the increasingly stringent emission requirements of flue gas pollutants, a tubular heat medium water heat exchange system is generally installed. The tube heat medium water heat exchange system is a closed circulation system. [0003] Due to the presence of dissolved oxygen in the heat medium water and the pH value tends to be slightly acidic, it is easy to cause corrosion on the inner surface of the piping in the heat medium water system. For this reason, it is necessary to add a certain amount of sodium hydroxide and oxygen scavenger to the heat medium water regularly and regularly check the pH value and concentration of oxy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/66C02F1/20F23J15/00F28F19/00F28F27/00
CPCC02F1/66C02F1/20C02F2303/08F23J15/00F28F19/00F28F27/00
Inventor 李清毅胡达清曹御风王会勤虞上长陈文华李文华刘海蛟廖达琛赵朝阳金军邢延宏倪磊楚
Owner ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECH CO LTD
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