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Cleaning system of shell and tube heat exchanger and control method of cleaning system

A technology of shell-and-tube heat exchangers and cleaning systems, which is applied in cleaning heat transfer devices, lighting and heating equipment, and non-rotating equipment cleaning, etc., which can solve problems such as troublesome operation and untimely cleaning, and avoid cumbersome operations, Judgment results are accurate and avoid inaccurate judgments

Pending Publication Date: 2021-11-09
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to solve the above technical problems, that is, to solve the problems in the prior art that the manually operated cleaning device cleans the shell-and-tube heat exchanger of the chiller, which is troublesome to operate and not cleaned in time

Method used

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  • Cleaning system of shell and tube heat exchanger and control method of cleaning system
  • Cleaning system of shell and tube heat exchanger and control method of cleaning system
  • Cleaning system of shell and tube heat exchanger and control method of cleaning system

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Embodiment Construction

[0026] First of all, those skilled in the art should understand that the embodiments described below are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the present invention is described in conjunction with the shell-and-tube heat exchanger of a chiller, this does not limit the scope of protection of the present invention, and those skilled in the art can adjust it as needed to suit specific applications , For example, the shell-and-tube heat exchanger cleaning system and its control method of the present invention are also applicable to other water-cooled shell-and-tube heat exchangers, such as water-cooled shell-and-tube heat exchangers used for cooling in chemical reaction sites. The adjustment to the specific type of the application object does not constitute a limitation of the present invention, and should be limited within the protection scope of the...

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Abstract

The invention relates to the technical field of shell and tube heat exchanger cleaning, in particular to a cleaning system of a shell and tube heat exchanger and a control method of the cleaning system, and aims to solve the problems that in the prior art, a cleaning device is troublesome to operate and not timely in cleaning when being manually operated to clean the shell and tube heat exchanger of a water chilling unit. In order to achieve the purpose, the shell and tube heat exchanger comprises a tube pass and a shell pass, wherein the tube pass is used for circulating cooling water, the cleaning system comprises a controller, a ball serving mechanism and a ball collecting mechanism, the ball serving mechanism and the ball collecting mechanism are connected with each other, the controller is in communication connection with the ball serving mechanism and the ball collecting mechanism, and an outlet and an inlet of the ball serving mechanism communicate with a tube pass water inlet and a tube pass water outlet respectively. The control method comprises the following steps: acquiring saturation temperature corresponding to pressure of the shell pass and water outlet temperature of the tube pass, and calculating a difference value between the saturation temperature and the water outlet temperature; comparing the difference value with a first preset value; and selectively controlling the cleaning system to operate according to the comparison result. Therefore, whether scaling occurs or not can be accurately judged, and the cleaning system is automatically controlled to remove scaling when scaling occurs.

Description

technical field [0001] The invention relates to the technical field of shell-and-tube heat exchanger cleaning, and in particular provides a shell-and-tube heat exchanger cleaning system and a control method thereof. Background technique [0002] In the refrigeration industry, there are mainly two types of air-cooled chillers and water-cooled chillers. Among them, the water-cooled chiller cools the refrigerant in the shell side by passing the cooling water through the tube side of the shell-and-tube heat exchanger. The cooling efficiency is high, and the cooling capacity of the chiller is large. It is widely used in various needs. Refrigerated place. However, in the long-term use process, scale will be generated in the heat exchange tube of the shell and tube heat exchanger, which will affect the heat exchange effect and cause the refrigeration performance of the chiller to decrease. [0003] In order to remove the scale in the heat exchange tube of the shell-and-tube heat ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28G1/12F28G15/00
CPCF28G1/12F28G15/003F28G2015/006
Inventor 任文臣张志平张捷
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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