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Large-capacity condensation heat exchange device

A condensing heat exchange and large-capacity technology, which is applied to heat exchanger shells, steam/steam condensers, heat exchange equipment, etc., can solve problems such as welding leakage hazards and heavy welding workload

Pending Publication Date: 2019-08-27
江苏龙净节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the serpentine heat exchange tubes in the condensing heat exchange device for cooling and condensing the flue gas are connected at the head and tail through elbow-shaped butt joints. The welding workload is large, and the welding part is prone to leakage hazards.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] For convenience of description and better understanding, this embodiment will figure 2 The left side shown in the direction is defined as "left", the figure 2 The right side shown in the direction is defined as "Right", the figure 2 The upper side shown in the direction is defined as "upper", the figure 2 The lower side shown in the direction is defined as "lower", and the terms "left", "left side", "right", "right side", "upper", "lower", "upper end", "lower end" referred to in this application "are all based on figure 2 Orientation shall prevail. Will figure 1 The left and right direction shown in the direction is defined as the "front and back" direction, and the "front and back" mentioned in this application are all referred to as figure 1 Orientation shall prevail.

[0056] Such as figure 1 with figure 2 As shown, a large-capacity condensation heat exchange device described in this embodiment includes: a main frame 1 and a smoke box body 11 arranged o...

Embodiment 2

[0069] In Embodiment 1, between the large header flange 32 and the upper side plate 24, between the outlet header flange 42 and the left half of the lower side plate 23, between the water inlet header flange 52 and the right half of the lower side plate 23 As long as they can be sealed and connected, the specific flange sealing structure is not limited. However, the common flange sealing structure on the market can only be used in working conditions with low working pressure, and leakage problems will inevitably occur during use. In view of the above-mentioned problems in the common flange sealing structure in the market, this embodiment optimizes the flange sealing structure on the basis of Embodiment 1, and the specific structure is as follows:

[0070] Such as Figure 10 with Figure 11As shown, a first sealing structure is provided between the large header flange 32 and the upper side plate 24, and the first sealing structure is: the sealing surface of the large header f...

Embodiment 3

[0082] In Embodiment 1, between the large header flange 32 and the upper side plate 24, between the outlet header flange 42 and the left half of the lower side plate 23, between the water inlet header flange 52 and the right half of the lower side plate 23 As long as they can be sealed and connected, the specific flange sealing structure is not limited. However, the common flange sealing structure on the market can only be used in working conditions with low working pressure, and leakage problems will inevitably occur during use. In view of the above-mentioned problems in the common flange sealing structure in the market, this embodiment optimizes the flange sealing structure on the basis of Embodiment 1, and the specific structure is as follows:

[0083] see Figure 12 with Figure 14 As shown in the structure, the first sealing structure is as follows: a first retaining ring is arranged on the sealing surface of the large header flange 32, and the first main sealing strip ...

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Abstract

The invention discloses a large-capacity condensation heat exchange device. The large-capacity condensation heat exchange device comprises a main machine frame and a smoke box body arranged on the main machine frame, a smoke inlet is formed in the left side of the smoke box body, a smoke outlet is formed in the right side of the smoke box body, two condenser module sets are sequentially arranged at an interval from left to right in the smoke box body, each condenser module set is composed of two condenser modules which are arranged side by side in a front-back mode, and a dirt collecting tankwith a dirt discharging port is arranged at the bottom of the smoke box body. The large-capacity condensation heat exchange device is good in sealing performance, free of leakage hidden danger, convenient to maintain, long in service life, economical, environment-friendly and reliable in performance and especially suitable for using for high-capacity low-temperature smoke gas treatment in large-scale coal-fired unit wet desulfurization, energy is saved, water is saved, white smoke gas is removed, and emission reduction is achieved.

Description

technical field [0001] The invention relates to an energy-saving and emission-reducing heat exchange device for optimal utilization of flue gas, in particular to a large-capacity condensation heat exchange device. Background technique [0002] my country is a heavy coal base with abundant coal resources, and there are many coal-consuming industries such as coking, steel, thermal power and other enterprises, so the pressure on ecological and environmental protection management is very high. Under the increasingly stringent environmental emission requirements, more and more companies are paying more and more attention to environmental protection issues. The color of smoke emitted by various heavy chemical power generation, steel and other enterprises through chimneys has gradually changed from black, yellow, blue, etc. It is white, but the water vapor of white smoke is strongly acidic, containing soluble sulfates and some toxic substances that can cause smog. These white smoke...

Claims

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Application Information

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IPC IPC(8): F28B1/02F28F9/02F28F9/00
CPCF28B1/02F28F9/0246F28F9/001F28F9/005F28F9/02
Inventor 陈晓雷钟志良吴长森彭文熙顾建清魏树林
Owner 江苏龙净节能科技有限公司
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