Trolley sealing device for flue gas circulation system of sintering machine

Patent metadata

Field	Value
Publication number	US-11780004-B2
Application number	US-202217943544-A
Country	US
Kind code	B2
Filing date	Sep 13, 2022
Priority date	Nov 2, 2021
Publication date	Oct 10, 2023
Grant date	Oct 10, 2023

Abstract

Disclosed is a trolley sealing device for a flue gas circulation system of a sintering machine, including a cover body covering a top surface of a sintering machine trolley. A top end of the cover body is provided with communication assemblies, and the communication assemblies communicate an inner cavity of the cover body with an outside environment; two ends of the inner cavity of the cover body are fixedly connected with vertical adjusting sections respectively, and a sealing device is arranged between the vertical adjusting sections and two ends of the top surface of the sintering machine trolley; and the cover body includes a plurality of frameworks; the plurality of frameworks are arranged above the sintering machine trolley, the communication assemblies are arranged on the frameworks, and skins are fixedly connected with the frameworks; and thermal insulation layers are arranged outside the skins.

First claim

What is claimed is:

1. A trolley sealing device for a flue gas circulation system of a sintering machine, comprising a cover body covering a top surface of a sintering machine trolley; wherein a top end of the cover body is provided with communication assemblies, and the communication assemblies communicate an inner cavity of the cover body with an outside environment;
two ends of the inner cavity of the cover body are fixedly connected with vertical adjusting sections respectively, and a sealing device is arranged between the vertical adjusting sections and two ends of the top surface of the sintering machine trolley;
the cover body comprises a plurality of frameworks; the plurality of frameworks are arranged above the sintering machine trolley, the communication assemblies are arranged on the frameworks, and skins are fixedly connected with the frameworks; and thermal insulation layers are arranged outside the skins;
a top end of the sealing device is fixedly connected with the vertical adjusting sections through bolts, and a bottom end of the sealing device is overlapped with the top surface of the sintering machine trolley; and the cover body, the sealing device and the sintering machine trolley enclose a closed cavity; and
a bottom end of each vertical adjusting section is provided with a plurality of adjusting blocks, the plurality of adjusting blocks are used for adjusting an installation height of the cover body according to data of a flue gas flow simulation in the sealing cover.

2. The trolley sealing device for the flue gas circulation system of the sintering machine according to claim 1 , wherein each communication assembly comprises symmetrically arranged air inlets, and the air inlets are arranged on each framework; each air supply port is arranged between the two air inlets, and each air supply port is arranged on each framework; and the air inlets and the air supply ports are communicated with the inner cavity of the cover body and the outside environment.

3. The trolley sealing device for the flue gas circulation system of the sintering machine according to claim 2 , wherein the cover body comprises a plurality of first modules and a plurality of second modules, and the first modules and the second modules are surrounded by the frameworks and the skins; the air inlets and the air supply ports are arranged on top surfaces of the first modules; and the plurality of second modules are arranged between two adjacent first modules.

4. The trolley sealing device for the flue gas circulation system of the sintering machine according to claim 1 , wherein each framework has a semicircular arch structure, and the several frameworks are arranged in parallel at equal intervals along an extension direction of the sintering machine; and both ends of each framework are fixedly connected with a ground support by the bolts.

5. The trolley sealing device for the flue gas circulation system of the sintering machine according to claim 4 , wherein a span of each framework is 1.2-2 times of a width of the sintering machine trolley; an arch height of each framework is 2-6 times that of the sintering machine trolley.

6. The trolley sealing device for the flue gas circulation system of the sintering machine according to claim 1 , wherein the skins are covered on the frameworks above the top surface of the sintering machine trolley, and the skins are not provided on the frameworks below the top surface of the sintering machine trolley.

7. The trolley sealing device for the flue gas circulation system of the sintering machine according to claim 1 , the installation height is 0.7-0.9 time a height of the cover body.

8. The trolley sealing device for the flue gas circulation system of the sintering machine according to claim 1 , wherein the sealing device is external, and the sealing device is a waste belt.

Assignees

• Inst Process Eng Cas

Inventors

• Zhu Tingyu
• Xu Wenqing
• Li Chaoqun
• Yang Yang

Classifications

• F27D17/30

  Arrangements for extraction or collection of waste gases; Hoods therefor · CPC title

• B22F3/003 Primary

  Apparatus, e.g. furnaces (in general F27B) · CPC title

• B22F3/1007

  Atmosphere (B22F3/1021 takes precedence) · CPC title

• B22F2003/1042

  with support for articles to be sintered · CPC title

• B22F2201/50

  air · CPC title