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Pair rubber ball for cleaning and descaling in heat-exchange tubes

A technology for heat exchange tubes and rubber balls, which can be used in cleaning methods and utensils, cleaning heat transfer devices, cleaning hollow objects, etc., and can solve the problems of low ball collection rate, easy pipe blocking, difficult wet diameter and specific gravity of rubber balls, etc. , to achieve the effect of good effect, long life and not easy to block

Inactive Publication Date: 2011-11-09
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, online rubber ball cleaning technology is widely used in power plant condensers, but the rubber balls currently used are microporous and soft elastomer structures, and it is difficult to accurately control the wet diameter and specific gravity of the rubber balls during use. It is easy to be attached by sludge, dirt and microorganisms, etc., causing problems such as unsatisfactory cleaning and descaling effects, low ball collection rate, and easy plugging.

Method used

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  • Pair rubber ball for cleaning and descaling in heat-exchange tubes
  • Pair rubber ball for cleaning and descaling in heat-exchange tubes
  • Pair rubber ball for cleaning and descaling in heat-exchange tubes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] figure 1 Is a schematic diagram of the two-dimensional structure of the first embodiment of the present invention, figure 2 Is a schematic diagram of the three-dimensional structure of the first embodiment of the present invention, image 3 Is the first embodiment of the present invention figure 1 Schematic diagram of the A-direction structure in Figure 4 Is the first embodiment of the present invention figure 1 Schematic diagram of the B-B cross-sectional structure in.

[0033] Such as figure 1 with figure 2 As shown, this embodiment includes a solid columnar body 1, 8 inclined fins 2 on the columnar body 1, a solid columnar body 3, and 8 inclined fins 4 on the columnar body 3, and the columnar body 5 is elastically connected in the middle. In this embodiment, the solid cylindrical body 1 and 8 inclined fins 2 constitute one cleaning and descaling rubber ball, the solid cylindrical body 3 and 8 inclined fins 4 constitute another cleaning and descaling rubber ball, and th...

Embodiment 2

[0037] Such as Figure 5 As shown, this embodiment includes a solid columnar body 6, 8 inclined fins 7 on the columnar body 6, a solid columnar body 8, and 8 inclined fins 9 on the columnar body 8, elastically connecting the columnar and sheet-like composites in the middle. 体10。 Body 10. In this embodiment, the cylindrical body 6 and the 8 inclined fins 7 constitute a cleaning and descaling rubber ball, the cylindrical body 8 and the 8 inclined fins 9 constitute another cleaning and descaling rubber ball, and the two cleaning and descaling rubber balls The middle elastic connecting columnar and the sheet-shaped composite body 10 are connected as a whole to form a double-connected rubber ball for cleaning and descaling in the heat exchange tube. The middle elastic connecting columnar and sheet-like composite body 10 is composed of a columnar body and three sheet-like bodies, wherein the sheet-like bodies are arranged in a T shape. Image 6 Is for this embodiment Figure 5 Schemat...

Embodiment 3

[0042] Such as Figure 7 As shown, this embodiment includes a solid columnar body 11, 8 inclined fins 12 on the columnar body 11, a solid columnar body 13, and 8 inclined fins 14 on the columnar body 13, and a twisted sheet body 15 is elastically connected in the middle. . In this embodiment, the cylindrical body 11 and the 8 inclined fins 12 constitute a cleaning and descaling rubber ball, the cylindrical body 13 and the 8 inclined fins 14 constitute another cleaning and descaling rubber ball, and the two cleaning and descaling rubber balls The twisted sheet-shaped body 15 is connected by the elastic connection in the middle to form a double-connected rubber ball for cleaning and descaling in the heat exchange tube. Figure 8 Is for this embodiment Figure 7 Schematic diagram of the mid-section structure in. The outer envelope surface of the inclined fin is a cylindrical surface.

[0043] The difference between this embodiment and Embodiment 1 is that the middle elastic connect...

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Abstract

The invention belongs to the technical field of cleaning and descaling in heat-exchange tubes and particularly provides a pair rubber ball for cleaning and descaling in the heat-exchange tubes. The pair rubber ball comprises two solid rotary bodies, elastic cleaning and descaling fins and a middle elastic connecting body. The elastic cleaning and descaling fins are evenly distributed on the circumference of the two solid rotary bodies, wherein the thickness of the fins is 0.6mm to 2mm, and the ratio between the height and thickness of the fins is 1.25 to 4; the two ends of the middle elastic connecting body are connected with the two solid rotary bodies, wherein the middle elastic connecting body of the pair rubber ball is particularly a cylindrical body, a flaky body or the compound of the cylindrical body and the flaky body, the diameter of the cylindrical middle elastic connecting body is 1 / 10 to 1 / 2 the inner diameter of the heat-exchange tubes, and the thickness of the flaky middle elastic connecting body is 1 / 25 to 1 / 5 the inner diameter of the heat-exchange tubes; and the error in the density of the solid rotary bodies and the density of the conveyance fluid is not larger than 8%. The invention has the advantages of good cleaning and descaling effects, low possibility of blocking the heat-exchange tubes and long service life.

Description

Technical field [0001] The invention relates to a double-connected rubber ball for cleaning and descaling in a heat exchange tube, in particular to a double-connected rubber ball for cleaning and descaling in a heat exchange tube in which two cleaning and descaling rubber balls are connected by a middle elastic connecting body. Background technique [0002] Shell and tube heat exchangers are widely and widely used in the power, chemical and petroleum industries. Most of the heat exchangers are fouled and fouled during operation, especially condensers cooled by circulating water. , Water cooler, etc. The fouling and fouling of the heat exchanger lead to a decrease in the heat transfer coefficient of the equipment, an increase in energy consumption, and even a pipe blockage that causes the equipment to fail to operate normally; fouling will also cause corrosion under fouling and shorten the service life of the equipment. At present, the cleaning and descaling methods in the heat e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B9/057
CPCB08B9/0554F28G1/12
Inventor 孟继安
Owner TSINGHUA UNIV
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