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Pump for shell-and-tube heat exchanger

A shell-and-tube heat exchanger and pump body technology, which is applied to rotary piston/swing piston pump components, pump elements, heat exchange equipment, etc., can solve the problem of low safety factor, high cost, easily damaged tubes and Shell side and other issues, to achieve the effect of high safety factor

Active Publication Date: 2016-10-12
GUANGZHOU XINHENG PUMP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the tube-side fluid and the shell-side fluid of the shell-and-tube heat exchanger are driven by two pumps respectively, which is expensive, and the pressure between the tube side and the shell side is not easy to keep consistent, so that the tube side and the shell side There is a pressure difference between them, and the pressure difference is easy to damage the relatively weak connection between the tube side and the shell side; Fast mixing, low safety factor

Method used

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  • Pump for shell-and-tube heat exchanger
  • Pump for shell-and-tube heat exchanger
  • Pump for shell-and-tube heat exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, a pump for a shell-and-tube heat exchanger includes a pump body 1, a drive plate 2 and a drive shaft 3, the drive shaft 3 rotates in a clockwise direction, and the pump body 1 is a hollow circle Disk-shaped structure, the drive plate 2 is arranged in the pump body 1, the drive shaft 3 extends into the pump body 1 through the central end of the pump body 1 and is rotatably connected with the pump body 1, the drive plate 2 The end of the drive shaft 3 is perpendicular to each other and is fixedly connected. The drive shaft 3 is arranged away from the center of the drive disc 2. The diameter of the drive disc 2 is greater than the radius of the inner surface of the pump body 1. The drive disc 2 is connected to the inner surface of the pump body 1. The inner surface of the pump body 1 is arranged tangentially. The lower left part of the pump body 1 is provided with a first liquid inlet pipe 11, the upper left part is provided with a first liquid o...

Embodiment 2

[0026] On the basis of Example 1, as figure 1 , figure 2 As shown, an arc-shaped groove 41 is arranged on the end surface of the end of the reset rod 4 extending into the pump body 1, and a sealing block 5 is arranged in the arc-shaped groove 41, such as image 3 As shown, the cross section of the sealing block 5 is a crescent-shaped structure, including a first arc sealing surface 51 and a second arc sealing surface 52;

[0027] The radius of the first arc sealing surface 51 is equal to the radius of the driving disc 2, and the first arc sealing surface 51 fits on the side of the driving disc 2 and is slidably connected with the side of the driving disc 2;

[0028] The radius of the second arc-shaped sealing surface 52 is equal to the radius of the arc-shaped groove 41, and the second arc-shaped sealing surface 52 is attached to the surface of the arc-shaped groove 41 and is connected 41 Swipe to connect.

[0029] The friction phenomenon between the end of the reset lever...

Embodiment 3

[0031] On the basis of Example 2, such as figure 1 As shown, the two reset rods 4 are coaxially arranged, the axis of the reset rod 4 passes through the center of the drive shaft 3 and is arranged perpendicular to the drive shaft 3 . This structure can prevent the reset rod 4 from exerting an extra load on the drive disc 2, and can improve energy utilization.

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PUM

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Abstract

The invention discloses a pump for a shell-and-tube heat exchanger. The pump comprises a pump body, a driving disc and a driving shaft. Two liquid inlet pipes and two liquid outlet pipes are arranged on the pump body. The pump for the shell-and-tube heat exchanger has the advantages that the two liquid inlet pipes and the two liquid outlet pipes are provided and driven by the same driving disc, in other words, the tube pass fluid flow and the shell pass fluid flow of the shell-and-tube heat exchanger are driven at the same time, it is avoided that two pumps are adopted for driving, and the pressure of the tube pass and the pressure of the shell pass can be maintained consistent easily without a pressure difference, so that the weak joint of the tube pass and the shell pass is not likely to be damaged, tube pass fluid and shell pass fluid are not likely to be mixed quickly when leakage of the tube pass and the shell pass occurs, and thus the safety coefficient is high.

Description

technical field [0001] The invention relates to the field of heat exchanger production and manufacturing, more precisely, it relates to a pump for a shell-and-tube heat exchanger. Background technique [0002] In the prior art, the tube-side fluid and the shell-side fluid of the shell-and-tube heat exchanger are driven by two pumps respectively, which is expensive, and the pressure between the tube side and the shell side is not easy to keep consistent, so that the tube side and the shell side There is a pressure difference between them, and the pressure difference is easy to damage the relatively weak connection between the tube side and the shell side; Fast mixing, low safety factor Contents of the invention [0003] The present invention mainly solves the technical problems existing in the prior art, so as to provide a pump with two liquid inlet pipes and two liquid outlet pipes, which is driven by the same drive plate, that is, simultaneously drives the tube side of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F27/02F04C15/06
CPCF04C15/06F28F27/02
Inventor 王鼎兴
Owner GUANGZHOU XINHENG PUMP MFG