CN113150796A - Regenerator small flue structure capable of being adjusted from lower part - Google Patents
Regenerator small flue structure capable of being adjusted from lower part Download PDFInfo
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- CN113150796A CN113150796A CN202110552000.2A CN202110552000A CN113150796A CN 113150796 A CN113150796 A CN 113150796A CN 202110552000 A CN202110552000 A CN 202110552000A CN 113150796 A CN113150796 A CN 113150796A
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- brick
- adjusting
- regenerator
- groove
- adjusting brick
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/02—Brickwork, e.g. casings, linings, walls
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a regenerator small flue structure capable of being adjusted from the lower part, which comprises a small flue arranged at the bottom of a regenerator and a grate brick layer arranged at the top of the small flue, wherein the grate brick layer is provided with an adjusting brick groove for placing an adjusting brick; the adjusting brick groove is arranged in the middle of the grate brick layer, and a plurality of vent holes which are communicated up and down are formed in the grate brick layer outside the adjusting brick groove; the adjusting brick groove is a long strip-shaped groove hole, a plurality of adjusting bricks can be placed in the adjusting brick groove side by side along the longitudinal direction, and adjusting brick placing holes are formed in two sides of the middle of the adjusting brick groove; the upper parts of 2 side surfaces of the adjusting brick grooves, which are provided with the adjusting brick placing holes, are inclined planes which are inclined upwards and outwards; the bottom edge of the inclined plane is a bevel edge, and the inner end of the bevel edge, which is close to the adjusting brick placing hole, is higher than the outer end of the bevel edge. The invention is suitable for the working condition that the gas and air supply quantity of the large-scale coke oven is adjusted from the outside, has simple structure, more stable arrangement of the adjusting brick and convenient adjustment, and can more effectively adjust the uniformity of the long-direction heating of the coke oven.
Description
Technical Field
The invention relates to the technical field of coke ovens, in particular to a regenerator small flue structure capable of being adjusted from the lower part.
Background
The modern coke oven mainly uses a chamber coke oven as a main part, coal gas and air enter a small flue from one side or two sides of a regenerative chamber of the coke oven, airflow is adjusted by a grate brick layer and enters a vertical flue through the regenerative chamber with cells, and waste gas after combustion in a combustion chamber enters the small flue through the regenerative chamber. Because the regenerative chambers are divided into cells, the distribution of the small flue structure to gas and air directly affects the combustion condition in the combustion chambers, has direct influence on the temperature of the vertical flue and indirectly affects the coke quality.
The structural adjustment of the small flue generally changes the cross-sectional area of airflow circulation by adding or subtracting the number of the adjusting bricks, and the purpose of controlling the uniformity of airflow distribution in the length direction is achieved. Along with the improvement of the production capacity of the coke oven and the change of the production working condition, the adjustment of coal gas and air is realized through the downward adjusting holes at the bottom of the heat storage chamber, the adjusting bricks on the grate brick layer can be still adjusted in the production process, the production state can be adjusted at any time, and the coke quality is ensured. Under the general condition, adjust the brick parallel placement in adjusting the brickwork groove, take on the cooperation inclined plane of adjusting the brickwork groove through the shoulder of both sides, under the great condition of air current disturbance, lead to easily adjusting the brick position change and even drop.
Disclosure of Invention
The invention provides a regenerator small flue structure capable of being adjusted from the lower part, which is suitable for the working condition of adjusting the gas and air supply amount from the outside of a large-scale coke oven, has simple structure, more stable adjustment brick placement and convenient adjustment, and can more effectively adjust the uniformity of the long-direction heating of the coke oven.
In order to achieve the purpose, the invention adopts the following technical scheme:
a regenerator small flue structure capable of being adjusted from the lower part comprises a small flue arranged at the bottom of a regenerator and a grate brick layer arranged at the top of the small flue, wherein the grate brick layer is provided with an adjusting brick groove for placing an adjusting brick; the adjusting brick groove is arranged in the middle of the grate brick layer, and a plurality of vent holes which are communicated up and down are formed in the grate brick layer outside the adjusting brick groove; the adjusting brick groove is a long strip-shaped groove hole, a plurality of adjusting bricks can be placed in the adjusting brick groove side by side along the longitudinal direction, and adjusting brick placing holes are formed in two sides of the middle of the adjusting brick groove; the upper parts of 2 side surfaces of the adjusting brick grooves, which are provided with the adjusting brick placing holes, are inclined planes which are inclined upwards and outwards; the bottom edge of the inclined plane is a bevel edge, and the inner end of the bevel edge, which is close to the adjusting brick placing hole, is higher than the outer end of the bevel edge.
The air vent is 4, sets up 2 respectively in the both ends outside of adjusting the brick groove, and the air vent is the round hole.
The adjusting brick is provided with a shape matched with the adjusting brick groove.
The thickness of the adjusting bricks is different.
The width of the small flue is smaller than that of the corresponding regenerative chamber.
The heat storage chamber is of a cellular structure and is divided into a plurality of cellular heat storage chambers through heat storage chamber partition walls, each cellular heat storage chamber is communicated with a pair of vertical flues through a chute, and the bottom of each cellular heat storage chamber is communicated with a small flue through a corresponding grate brick layer.
And one side or two sides of the heat storage chamber are provided with waste gas shutters which are communicated with the small flue through the waste gas shutters.
Compared with the prior art, the invention has the beneficial effects that:
1) in the production process, the adjusting bricks of the grate brick layer can be adjusted from the lower part of the heat storage chamber, and the adjustment is convenient, thereby being beneficial to adjusting the production state at any time and ensuring the long-direction heating uniformity of the coke oven;
2) the structure is simple, the inclined edges at the bottoms of the inclined surfaces on the two sides of the adjusting brick groove can enable the adjusting brick to be more stable after being placed, the adjusting brick is guaranteed not to be affected by airflow disturbance, and the adjusting brick is prevented from falling or breaking;
3) improve the transverse arrangement coefficient and ensure the coke quality.
Drawings
FIG. 1 is a front view of a regenerator mini-stack structure of the present invention that is adjustable from below.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic perspective view of a grate brick layer according to the present invention.
Fig. 4 is a side view of fig. 3.
Figure 5 is a front view of an adjustment block according to the invention.
Fig. 6 is a side view of fig. 5.
FIG. 7 is a schematic diagram of a single-sided small flue and cellular regenerator.
In the figure: 1. small flue 2, grate brick layer 3, regenerator main wall 4, regenerator single wall 5, down-regulating holes 6, checker brick 7, regenerator 7-1, cellular regenerator 8, vent hole 9, regulating brick 10, chute 11, regenerator partition wall 12, regulating brick groove 12-1, bevel edge 13 and regulating brick placing hole
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-4, the regenerator small flue structure adjustable from the lower part of the invention comprises a small flue 1 arranged at the bottom of a regenerator 7 and a grate brick layer 2 arranged at the top of the small flue 1, wherein the grate brick layer 2 is provided with an adjusting brick groove 12 for placing an adjusting brick 9; the adjusting brick groove 12 is arranged in the middle of the grate brick layer 2, and a plurality of vent holes 8 which are communicated up and down are arranged on the grate brick layer 2 outside the adjusting brick groove 12; the adjusting brick groove 12 is a strip-shaped groove hole, a plurality of adjusting bricks 9 can be placed in the adjusting brick groove 12 side by side along the longitudinal direction, and adjusting brick placing holes 13 are formed in two sides of the middle of the adjusting brick groove 12; the upper parts of 2 side surfaces of the adjusting brick grooves 12, which are provided with the adjusting brick placing holes 13, are inclined planes and incline upwards and outwards; the bottom edge of the inclined plane is a bevel edge 12-1, and the inner end of the bevel edge 12-1, which is close to the adjusting brick placing hole 13, is higher than the outer end.
The number of the vent holes 8 is 4, 2 vent holes 8 are respectively arranged on the outer sides of two ends of the adjusting brick groove 12, and the vent holes 8 are round holes.
As shown in fig. 5 and 6, the adjusting brick 9 has a shape matching with the adjusting brick groove 12.
The thickness of the adjusting bricks is different.
The width of the small flue 1 is smaller than the width of the corresponding regenerator 7.
The heat storage chamber 7 is of a cellular structure and is divided into a plurality of cellular heat storage chambers 7-1 through heat storage chamber partition walls 11, each cellular heat storage chamber 11 is communicated with a corresponding fire channel through a chute 10, and the bottom of each cellular heat storage chamber 7-1 is communicated with the small flue 1 through a corresponding grate brick layer 2.
And one side or two sides of the heat storage chamber 7 are provided with waste gas shutters which are communicated with the small flue 1.
According to the regenerator small flue structure capable of being adjusted from the lower part, a regenerator main wall 3 and a regenerator single wall 4 are respectively arranged on two sides of a regenerator 7, the regenerator 7 is provided with a plurality of regenerator partition walls 11 along the length direction to divide the regenerator 7 into a plurality of cellular regenerators 7-1, a grate brick layer 2 is respectively arranged between the cellular regenerators 7-1 and the small flue 1, an adjusting brick groove 12 is arranged on the grate brick layer 2, a lattice brick 6 is arranged above the grate brick layer 2, and a lower adjusting hole 5 is arranged at the bottom of the small flue 1. In the invention, the cross section area of the gas channel is changed by adding and subtracting the adjusting bricks 9 to realize gas flow control, thereby achieving the purpose of adjusting the gas distribution amount in each cellular regenerator 7-1 along the length direction of the regenerator, and each cellular regenerator 7-1 can be independently adjusted.
And a waste gas shutter is arranged on one side or two sides of the heat storage chamber 7 and is communicated with the small flue 1 through the waste gas shutter, and coal gas and air are supplied from one side or two sides of the small flue 1.
The grate brick layer 2 is provided with an adjusting brick groove 12 and a plurality of circular vent holes 8, an adjusting brick placing hole 13 in the middle of the adjusting brick groove 12 is used for accommodating a hook tool when an adjusting brick 9 is placed, the inclined bottom at two sides of the adjusting brick groove 12 is provided with an inclined edge 12-1, the adjusting brick 9 automatically slides to the outer end of the adjusting brick groove 12 after being placed in the adjusting brick groove 12, so that the adjusting brick 9 is closely arranged in the adjusting brick groove 12, and the adjusting brick 9 is prevented from falling after position change or side turning due to air flow disturbance.
The adjusting bricks 9 comprise a plurality of adjusting bricks with different thicknesses, and the size of the gas channel on the grate brick layer 2 is adjusted through the combination and collocation of the adjusting bricks with different thicknesses in practical application.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A regenerator small flue structure capable of being adjusted from the lower part comprises a small flue arranged at the bottom of a regenerator and a grate brick layer arranged at the top of the small flue, wherein the grate brick layer is provided with an adjusting brick groove for placing an adjusting brick; the grate brick layer is characterized in that the adjusting brick groove is arranged in the middle of the grate brick layer, and a plurality of vent holes which are communicated up and down are formed in the grate brick layer outside the adjusting brick groove; the adjusting brick groove is a long strip-shaped groove hole, a plurality of adjusting bricks can be placed in the adjusting brick groove side by side along the longitudinal direction, and adjusting brick placing holes are formed in two sides of the middle of the adjusting brick groove; the upper parts of 2 side surfaces of the adjusting brick grooves, which are provided with the adjusting brick placing holes, are inclined planes which are inclined upwards and outwards; the bottom edge of the inclined plane is a bevel edge, and the inner end of the bevel edge, which is close to the adjusting brick placing hole, is higher than the outer end of the bevel edge.
2. The regenerator mini-flue structure of claim 1, wherein the number of the vent holes is 4, 2 are respectively disposed at the outer sides of both ends of the adjusting brick groove, and the vent holes are circular holes.
3. The undercrown adjustable regenerator mini-flue structure as claimed in claim 1 wherein the adjustment bricks are shaped to fit the adjustment brick slots.
4. The undercrown adjustable regenerator mini-stack structure of claim 1 wherein the plurality of adjustment bricks are of different thicknesses.
5. The undercrown pocket construction for a regenerator in accordance with claim 1 wherein the width of the pocket is less than the width of the corresponding regenerator.
6. The bottom-adjustable regenerator mini-flue structure of claim 1 wherein the regenerator is a cellular structure divided into a plurality of cellular regenerators by regenerator dividing walls, each cellular regenerator communicating with a pair of vertical flues through chutes, and the bottom of each cellular regenerator communicating with the mini-flue through a corresponding grate brick layer.
7. The structure of the small flue of the thermal storage chamber adjustable from the bottom of claim 1, wherein one or both sides of the thermal storage chamber are provided with exhaust gas shutters, which communicate with the small flue through the exhaust gas shutters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552000.2A CN113150796A (en) | 2021-05-20 | 2021-05-20 | Regenerator small flue structure capable of being adjusted from lower part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552000.2A CN113150796A (en) | 2021-05-20 | 2021-05-20 | Regenerator small flue structure capable of being adjusted from lower part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113150796A true CN113150796A (en) | 2021-07-23 |
Family
ID=76876850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110552000.2A Pending CN113150796A (en) | 2021-05-20 | 2021-05-20 | Regenerator small flue structure capable of being adjusted from lower part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113150796A (en) |
-
2021
- 2021-05-20 CN CN202110552000.2A patent/CN113150796A/en active Pending
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