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Sealing device for mechanical grate furnace and mechanical grate furnace

A technology of mechanical grate and sealing device, which is applied in the directions of grate, incinerator, inclined grate, etc., can solve problems such as the adverse effect of sealing, and achieve the effect of suppressing the decline of sealing and improving sealing.

Active Publication Date: 2020-11-06
MITSUBISHI HEAVY IND ENVIRONMENTAL & CHEM ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, rotational movement tends to adversely affect sealing performance

Method used

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  • Sealing device for mechanical grate furnace and mechanical grate furnace
  • Sealing device for mechanical grate furnace and mechanical grate furnace
  • Sealing device for mechanical grate furnace and mechanical grate furnace

Examples

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Embodiment Construction

[0032] Hereinafter, a mechanical grate furnace equipped with a sealing device for a mechanical grate furnace according to the present invention will be described in detail with reference to the drawings.

[0033] The mechanical grate furnace in this embodiment is a mechanical grate furnace for burning waste and other incinerated objects, such as figure 1 As shown, it includes a hopper 2 for temporarily storing the to-be-incinerated material T, an incinerator 3 for burning the to-be-incinerated material T, a feeder 4 for supplying the to-be-incinerated material T to the incinerator 3, and a machine installed on the bottom side of the incinerator 3. Fire grate 5 (comprising the fire grate sheet 15,16 of drying section 11, combustion section 12 and burnout section 13), the air chamber 6 that is arranged on the bottom of mechanical fire grate 5, and the drop wall 27 that is arranged on mechanical fire grate 5 ( First drop wall), 28 (second drop wall), 29 (third drop wall) sealing ...

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Abstract

A sealing device (30) for a mechanical grate furnace is provided. The mechanical grate furnace is provided with a plurality of fixed grate pieces and a plurality of movable grate pieces (16), and the incinerated objects are incinerated while conveying the incinerated objects , the sealing device for the mechanical grate furnace seals between the drop wall (27) of the mechanical grate furnace and the moving grate piece (16), wherein the sealing device for the mechanical grate furnace has: the front grate piece (31), which is configured The front end (31c) of the front grate sheet is in contact with the movable grate sheet (16); the support portion (32) has an upper surface (31a) that is fixed to the drop wall (27) and supports the front grate sheet (31) The surface support plate (33), and the bottom surface support plate (34) that is arranged under the upper surface support plate (33) and supports the bottom surface (31b) of the front grate piece (31); and the spring (35), which is along the The front grate piece (31) is urged against the front grate piece (31) in a direction opposite to the direction in which it moves along with the movement of the moving grate piece (16).

Description

technical field [0001] The invention relates to a sealing device for a mechanical grate furnace and a mechanical grate furnace. This application claims priority based on Japanese Patent Application No. 2017-253145 for which it applied in Japan on December 28, 2017, and uses the content here. Background technique [0002] As an incinerator for incinerating to-be-incinerated objects such as garbage, there is known a mechanical grate furnace capable of efficient incineration without sorting a large amount of to-be-incinerated objects. As a mechanical grate furnace, the following mechanical grate furnace is known. The mechanical grate furnace has a stepped structure and is provided with a drying section, a burning section, and an embering section in order to perform functions of drying, burning, and embering. [0003] In a mechanical grate furnace with a drying section, a combustion section and an embering section, a metal seal (front grate piece) is provided directly under the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/00F23H7/08
CPCF23H17/00F23H2900/00F23G5/00F23H7/08
Inventor 小柴勇纪小高成贵寺部保典秋元胜小原聪明
Owner MITSUBISHI HEAVY IND ENVIRONMENTAL & CHEM ENG CO LTD
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