CN111023827A

CN111023827A - Fire path structure of pot-type calcining furnace

Info

Publication number: CN111023827A
Application number: CN201911345353.4A
Authority: CN
Inventors: 杨运川; 马震宇; 杨仁牧
Original assignee: China Aluminum International Engineering Corp Ltd
Current assignee: China Aluminum International Engineering Corp Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-04-17

Abstract

The invention relates to a flame path structure, in particular to a flame path structure of a pot-type calcining furnace. The novel energy-saving type energy-saving stove comprises a flue wall and a bucket side wall, wherein the flue wall is built by flue wall bricks, the bucket side wall is built by tank wall bricks, the flue bricks with bosses are arranged on the middle upper parts of the flue wall corresponding to each layer of flue from a second layer of flue to a bottom layer of flue, the tank wall bricks with the bosses are arranged on the positions, corresponding to the flue bricks with the bosses, on the bucket side wall, cover plate bricks are arranged between the flue bricks with the bosses and the tank wall bricks with the bosses, and two ends of each cover plate brick are respectively arranged on the bosses of the flue bricks with the bosses and the bosses of the tank wall bricks with the bosses. By utilizing the structure of the flame path baffle plate, the weak position of the flame path of the existing pot-type furnace is strengthened, the problems that the brick falls off from the pot body, the middle part of the flame path wall is deformed, the material is accumulated in the flame path and the like in production are effectively solved, and the flowing uniformity of smoke in the flame path is improved.

Description

Fire path structure of pot-type calcining furnace

Technical Field

The invention relates to a flame path structure, in particular to a flame path structure of a pot-type calcining furnace.

Background

The pot calciner is used as a main device for calcining petroleum coke, compared with a rotary kiln, the pot calciner has good calcining quality and high actual yield, can realize calcining without external fuel, and has recently attracted high attention to the utilization of waste heat of the pot calciner. The productivity of present eight layer pot type calcining furnaces is 85 kg/(h.jar), but output is lower, promote single jar productivity and be the problem that the pot type calcining furnace needs to solve urgently always, can promote production to 120 kg/(h.jar) through increasing material jar length and height, but need the individual layer flame path increase one deck standard flame path brick in height, and lead to flame path structural strength to reduce like this, because the extrusion of material in the jar to the flame path wall, the flame path wall appears warping in every layer flame path middle part, flame path wall brick drops, the phenomenon that the material got into the flame path from warping the crack and piles up appears, direct influence pot type calcining furnace life, operation and maintenance cost has been increased.

Disclosure of Invention

The invention provides a flue structure of a pot type calcining furnace, aiming at solving the problem of structural stability reduction caused by the increase of the size of the pot type calcining furnace.

The flue structure of the pot-type calcining furnace comprises a flue wall and a charging bucket side wall, wherein the flue wall is built by flue wall bricks, the charging bucket side wall is built by pot wall bricks, the middle upper part of the flue wall corresponding to each layer of flue from the second layer of flue to the bottom layer of flue is provided with the flue bricks with bosses, the positions, corresponding to the flue bricks with bosses, on the charging bucket side wall are provided with the pot wall bricks with bosses, cover plate bricks are arranged between the flue bricks with bosses and the pot wall bricks with bosses, and two ends of each cover plate brick are respectively arranged on the bosses of the flue bricks with bosses and the bosses of the pot wall bricks with bosses.

Each flame path from the second flame path to the bottom flame path is divided into a left part and a right part, and three flame path bricks with bosses are arranged on each flame path wall of each part.

The height of each layer of flame path from the second layer of flame path to the bottom layer of flame path is 680mm, and the distance between the cover plate brick and the bottom of each layer of flame path is 408 mm.

The cover plate brick is laid dry without beating slurry.

The invention has the advantages and effects that: because the six flame path bricks with the bosses are additionally arranged at the middle upper part of each flame path layer and are connected with the tank wall bricks with the bosses through the cover plate bricks, the strength of the flame path wall body is increased, the material in the material tank can be extruded on the flame path wall, the easily deformed part of the flame path wall in the middle of each flame path layer is not easy to damage, the service life of the tank type calcining furnace is prolonged, and the operation and maintenance cost is reduced. By utilizing the structure of the flame path baffle plate, the weak position of the flame path of the existing pot-type furnace is strengthened, the problems that the brick falls off from the pot body, the middle part of the flame path wall is deformed, the material is accumulated in the flame path and the like in production are effectively solved, and the flowing uniformity of smoke in the flame path is improved.

Drawings

Fig. 1 is a schematic structural diagram of a corresponding portion of a conventional one-layer flame path.

Fig. 2 is a front view of a corresponding portion of a conventional two-layer flame path.

FIG. 3 is a schematic structural diagram of a portion corresponding to a flame path according to the present invention.

FIG. 4 is a front view of the corresponding portion of the two-layer flame path of the present invention.

Fig. 5 is a schematic view of the structure of the integral flue wall of the present invention.

Figure 6 is a front view of the integral flue wall of the present invention.

In the figure: 1. a flame path wall; 2. a charging bucket side wall; 3. a second layer of flame paths; 4. a bottom flame path; 5. a flame path brick with a boss; 6. a tank wall brick with a boss; 7. a cover plate brick; 8. a flame path baffle plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

As shown in the figure, the flue structure of the pot-type calcining furnace comprises a flue wall 1 and a charging bucket side wall 2, wherein the flue wall 1 is built by flue wall bricks, the charging bucket side wall 2 is built by pot wall bricks, and a layer of flue is arranged between two flue baffle plates 8. The middle-upper part of the flame path wall corresponding to each flame path from the second layer of flame path 3 to the bottom layer of flame path 4 is provided with a flame path brick 5 with a boss, the position corresponding to the flame path brick 5 with the boss on the charging bucket side wall 2 is provided with a pot wall brick 6 with the boss, a cover plate brick 7 is arranged between the flame path brick 5 with the boss and the pot wall brick 6 with the boss, the cover plate brick 7 is laid dry without beating mud, and the two ends of the cover plate brick 7 are respectively arranged on the bosses of the flame path brick with the boss and the pot wall brick with the boss.

Each flame path from the second flame path 3 to the bottom flame path 4 is divided into a left flame path and a right flame path, and each flame path wall of each part is provided with three flame path bricks 5 with bosses.

The height of each layer of flame path from the second layer of flame path 3 to the bottom layer of flame path 4 is 680mm, and the distance between the cover plate brick 7 and the bottom of each layer of flame path is 408 mm.

The above are only specific application examples of the present invention, and other embodiments of the present invention are within the scope of the present invention as claimed by using equivalent alternatives or equivalent variations.

Claims

1. The flame path structure of the pot-type calcining furnace comprises a flame path wall and a charging bucket side wall, wherein the flame path wall is built by flame path wall bricks, and the charging bucket side wall is built by pot wall bricks.

2. The flue structure of the can calciner according to claim 1, wherein each flue from the second flue to the bottom flue is divided into a left part and a right part, and each flue wall of each part is provided with three flue bricks with bosses.

3. The flue structure of the pot calciner according to claim 2, wherein the height of each flue from the second-layer flue to the bottom-layer flue is 680mm, and the distance between the cover plate brick and the bottom of each flue is 408 mm.

4. The flue structure of a can calciner as claimed in claim 3, wherein the cover plate brick is dry-laid without beating slurry.