Device and method for increasing the internal surface of a compact coke charge in a receiving trough

Patent metadata

Field	Value
Publication number	US-9879185-B2
Application number	US-201113980938-A
Country	US
Kind code	B2
Filing date	Dec 20, 2011
Priority date	Jan 21, 2011
Publication date	Jan 30, 2018
Grant date	Jan 30, 2018

Abstract

A device for increasing the interior surface of a compact coke charge in a receiving trough, which device increases the interior surface of a coke cake or coke leaving the coking chamber by mechanically breaking apart or roughening it, resulting in a break-up of the coke structure and the formation of crevice-type cavities in the compacted coke charge so that an increased amount of water can flow into the interior of the coke charge during the subsequent quenching step through these crevices, resulting in a high profitability of the method due to reduced quenching times and lower water consumption. A method for increasing the interior surface of a compact coke charge in a receiving trough, which serves to break up a fresh coke cake or to roughen the coke in order to reduce water consumption during quenching is disclosed.

First claim

The invention claimed is:

1. In a coking device for coking of coal in a horizontal coke oven chamber of a heat-recovery or non-recovery coke oven bank, the coke oven chamber having a coke-bearing bottom, and optionally a sloped plate or a wharf between the coke oven chamber and a receiving container, the receiving container having a bottom, the receiving container provided on or in a coke quenching car moveable in parallel along the coke oven bank to receive a compact coke cake from a coke oven, the improvement comprising:
increasing the exposed surface area of a compact coke cake by at least one structural member providing an unevenness of a minimum height of 20 mm arranged on the bottom of the receiving container, wherein the bottom surface of the receiving container is offset by from 20 to 400 mm below the coke-bearing bottom of the coke oven chamber or the sloped plate or wharf, wherein the receiving container having a bottom with the at least one structural member disposed thereon is arranged in a manner that the coke cake, when pushed from the coke oven chamber, slips out of the coke-oven chamber during the pushing operation and slides across the structural member.

2. The device according to claim 1 , wherein the structural member is wedge-shaped.

3. The device according to claim 1 , wherein the structural member is cuboid.

4. The device according to claim 1 , wherein the structural member is ring-shaped.

5. The device according to claim 1 , wherein the structural member is half-ring-shaped, the ring-forming half on the bottom of the receiving container being aligned in any direction.

6. The device according to claim 1 , wherein the structural member is hump-shaped.

7. The device according to claim 1 , wherein the structural member is conical.

8. The device according to claim 1 , wherein the structural members comprise a plurality of different shapes.

9. The device according to claim 1 , wherein the at least one structural comprises a plurality of structural members arranged in rows.

10. The device according to claim 1 , wherein a plurality of structural members are arranged in rows such that coke-impermeable air gaps are located between the rows of structural members, these air gaps aerating the bottom of the receiving container downwards.

11. The device according to claim 1 , wherein the at least one structural member is made of a ceramic material.

12. The device according to claim 1 , wherein the at least one structural member is made of a silicon-containing or aluminium-containing oxidic material.

13. The device according to claim 1 , wherein the at least one structural member is made of a heat-resistant metal.

14. The device according to claim 1 , wherein the at least one structural member is made of heat-resistant steel.

15. The device according to claim 1 , wherein a sloped plate or wharf between the bottom of the coke-oven chamber and the receiving container for transferring the coke is present, and the wharf or sloped plate is provided with at least one heat-resistant structural member producing an unevenness of a height of minimally 20 mm.

16. A Method for increasing the inner surface of a compact coke batch in a receiving container comprising employing the device of claim 1 , the method comprising:
charging the coke-oven chamber of the heat-recovery or non-recovery type coke-oven bank with coal for carbonisation, and carbonizing the coal in an operating cycle, and
following carbonizing, pushing the coke in the form of a compact and solid coke cake by a pusher machine from the coke-oven chamber into the receiving container of a quenching car,
wherein
during pushing the compact and solid coke cake is pushed into the receiving container across the at least one structural member producing unevenness on the bottom of the receiving container, such that the fresh and glowing coke breaks up towards the top and is divided into several parts.

17. The method of claim 16 , wherein at least one structural member is made of combustible material and the structural member is replaced after each pushing operation.

Assignees

• Kim Ronald
• Schücker Franz-Josef
• Thyssenkrupp Uhde Gmbh

Inventors

• Kim Ronald
• Schücker Franz-Josef

Classifications

• C10B39/14 Primary

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