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Spiral cooling spiral slag conveyor with air sealing function

A technology of spiral cooling and slag conveying machine, which is applied in the field of slag conveying machine sealing, can solve the problems of many mechanical structure failures, low heat transfer coefficient, and difficult heat recovery, and achieve less mechanical structure failures, avoid excessive accumulation, and improve heat transfer coefficient high effect

Pending Publication Date: 2022-03-01
XI AN JIAOTONG UNIV
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  • Abstract
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Problems solved by technology

Due to problems such as air leakage, slag discharge control failure, failure to achieve the expected cooling effect and low output, the failure of the slag cooler caused great economic losses
[0003] At present, the slag coolers with a wide range of applications mainly have relatively low heat transfer coefficients; relatively many mechanical structural failures; the rotary joint is prone to water leakage; and there are difficulties in recovering all heat.

Method used

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  • Spiral cooling spiral slag conveyor with air sealing function

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Embodiment Construction

[0029] 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 some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", "end", "side" etc. is based on the Orientation or positional relationship is only for the convenience of describing the present invention and simplif...

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Abstract

The spiral cooling spiral slag conveyor with the air sealing function comprises a conveyor body, a rotating shaft is arranged in the conveyor body, a forward spiral piece and a reverse spiral piece are arranged on the rotating shaft, the forward spiral piece is arranged close to a slag inlet of the conveyor body, and the reverse spiral piece is arranged close to a slag outlet of the conveyor body. And no spiral sheet is arranged on the rotating shaft between the forward spiral sheet and the reverse spiral sheet. The device is suitable for deslagging at different temperatures, the overall heat transfer coefficient is relatively high, and mechanical structure faults are few; the whole equipment is normal-pressure equipment, so that the problem of water leakage is avoided; and the maximum recovery of heat is realized.

Description

technical field [0001] The invention belongs to the technical field of slag conveyor sealing, and in particular relates to a spiral cooling screw slag conveyor with an air sealing function. Background technique [0002] The discharge control and cooling of the bottom slag are the outstanding problems that plague the boiler operation at present, and directly affect the safe and stable operation of the whole unit. Due to problems such as air leakage, slag discharge control failure, failure to achieve the expected cooling effect and low output, the failure of the slag cooler caused great economic losses. [0003] At present, slag coolers with a wide range of applications mainly have disadvantages such as relatively low heat transfer coefficient; relatively many mechanical structural failures; water leakage is prone to occur in rotary joints; and it is difficult to recover all heat. Contents of the invention [0004] The technical problem to be solved by the present invention...

Claims

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Application Information

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IPC IPC(8): F23J1/06F25D17/02
CPCF23J1/06F25D17/02
Inventor 赵军王涛张馨艺王树众
Owner XI AN JIAOTONG UNIV
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