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Demister sealing plate fixing device

A technology for fixing devices and sealing plates, applied in chemical instruments and methods, separation of dispersed particles, separation methods, etc., can solve problems such as damage to welded parts, short circuit of flue gas, increased force of sealing plates, etc., and achieve reasonable structural design, Avoid damage to the welded part and ensure smooth progress

Pending Publication Date: 2020-04-17
THERMAL POWER TECH RES INST OF CHINA DATANG CORP SCI & TECH RES INST
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During operation, as the sealing plate is heated and expands, and the force on the sealing plate increases when the flue gas flow rate is large, the welded part is often damaged, the sealing plate falls off, and the flue gas short circuit is formed, which has certain defects.

Method used

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  • Demister sealing plate fixing device
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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] see Figure 1-2 As shown, this embodiment is a fixing device for the sealing plate of the demister, which includes a desulfurization tower 1, a wet desulfurization assembly 2 is arranged at the bottom of the desulfurization tower 1, a tube bundle demist assembly 3 is arranged on the top of the desulfurization tower 1, and the tube bundle demist assembly 3 includes a grid plate 4 fixedly arranged on the inner wall of the desulfurization tower 1, a tube bundle...

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Abstract

The invention discloses a demister sealing plate fixing device. The demister sealing plate fixing device comprises a desulfurization tower, a wet desulfurization assembly is arranged at the bottom ofthe desulfurization tower; a tube bundle demisting assembly is arranged at the top of the desulfurizing tower, the tube bundle demisting assembly comprises a grating plate fixedly arranged on the inner wall of the desulfurizing tower; a tube bundle type demister is arranged above the grating plate, a sealing plate for blocking and sealing flue gas is arranged above the tube bundle type demister; aplurality of fixing pieces are uniformly arranged on the sealing plate; the bottom end of the fixing piece is connected to the grating plate in a buckled mode, the fastening threads are arranged at the top of the fixing piece, and the top end of the fixing piece penetrates through the sealing plate and is provided with a fastening nut in a threaded mode. The device is reasonable in structural design, detachable installation of the tube bundle type demister is achieved through the fixing piece, damage to a welding part due to the fact that the sealing plate expands when heated and the acting force on the sealing plate is increased when the flue gas flow rate is large is avoided, and the wet desulphurization process is smoothly carried out.

Description

technical field [0001] The invention relates to the technical field of flue gas desulfurization, in particular to a fixing device for a sealing plate of a mist eliminator. Background technique [0002] Wet desulfurization is characterized by the fact that the desulfurization system is located at the end of the flue and after the dust collector. The reaction temperature of the desulfurization process is lower than the dew point, so the desulfurized flue gas needs to be reheated before it can be discharged. Because it is a gas-liquid reaction, the desulfurization reaction speed is fast and the efficiency is high. [0003] At present, the sealing plate at the bottom of the demister is welded by hot air to seal and fix between the sealing plates and between the sealing plate and the base of the demister. During operation, as the sealing plate is heated and expanded, and the force on the sealing plate increases when the flue gas flow rate is high, the welded part is often damage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D45/16
CPCB01D45/16
Inventor 贾嘉赵秉政郭婷婷殷东金绪良王海刚
Owner THERMAL POWER TECH RES INST OF CHINA DATANG CORP SCI & TECH RES INST
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