CN212246875U - Adjustable combustion chamber spanning hole structure - Google Patents
Adjustable combustion chamber spanning hole structure Download PDFInfo
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- CN212246875U CN212246875U CN202020458303.9U CN202020458303U CN212246875U CN 212246875 U CN212246875 U CN 212246875U CN 202020458303 U CN202020458303 U CN 202020458303U CN 212246875 U CN212246875 U CN 212246875U
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Abstract
The utility model relates to an adjustable combustion chamber crossing hole structure, which consists of a crossing hole seat and an adjusting brick; a spanning hole seat is embedded in the spanning hole; a boss structure is arranged on one side or two sides of the spanning hole seat and extends to the outer side of the duplex flue partition wall; the boss structure is provided with an adjusting brick groove, the middle part of the adjusting brick groove is a crossing hole channel, the top of the crossing hole channel is flush with the top of the crossing hole, and two sides of the crossing hole channel are provided with channels matched with two ends of the adjusting brick; the height of the adjusting brick groove is not less than the height of 2 layers of adjusting bricks; the spanning hole can be partially or completely closed by placing the adjusting brick into the adjusting brick groove. The utility model discloses can be when production operating mode changes, through the compound mode of adjustment regulation brick, carry out accurate regulation to the circulation cross sectional dimension and the open position of strideing across the hole to realize the regulation of heating level, effectively improve the coke oven length to the homogeneity of heating, shorten the coking time.
Description
Technical Field
The utility model relates to a coke oven technical field especially relates to a combustion chamber stridees across hole structure with adjustable.
Background
The height difference between the top of the coke oven carbonization chamber and the top of the combustion chamber vertical flue is called as the heating level of the coke oven, and the heating level is an important parameter of the coke oven structure. The temperature of the space at the top of the carbonization chamber is easily overhigh due to small heating horizontal height, the graphite accumulation on the furnace top is serious, and the stable production and the coke quality improvement are not facilitated; the uneven distribution of the long-direction temperature field can be caused by the large heating horizontal height, the coking is easy to occur on the upper part of the coal cake, and the coking time is prolonged. At present, most coke ovens have determined heating level height at the beginning of design, and when production problems occur in the subsequent actual production operation process, the production conditions are adjusted and corrected by changing standard flame path temperature, heat accumulation type down-regulation and other modes.
Chinese patent application publication No. CN108315022A discloses a "coke oven structure with adjustable crossover holes and a crossover hole adjusting method", where bosses are provided below the crossover holes and on one side or both sides of the top of the partition wall of the duplex flue, the bosses extend into the corresponding vertical airflow channels in the duplex flue, and adjusting bricks are movably provided on the bosses. The technical scheme aims to realize the adjustment of the length-direction heating uniformity of the coke oven and the circulation quantity of waste gas by arranging the adjusting bricks at the crossing holes. However, because the position of the boss is fixed, the adjusting brick is arranged on the boss, the size of the flow section of the cross hole can only be changed, but the position of the opening of the cross hole cannot be changed, and therefore the adjusting effect is still limited.
Disclosure of Invention
The utility model provides a combustion chamber stridees across pore structure with adjustable can be when the production operating mode changes, through the compound mode of adjustment regulation brick, carries out accurate regulation to the circulation cross sectional dimension and the open position of strideing across the hole to realize the regulation of heating level, effectively improve the coke oven length to the homogeneity of heating, shorten the coking time.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an adjustable combustion chamber cross hole structure is characterized in that a combustion chamber is divided into an even number of vertical flues by vertical flue partition walls and duplex flue partition walls which are alternately distributed, 2 vertical flues on two sides of partition walls of the duplex flue form a duplex flue, and the upper parts of the duplex flues are communicated through cross holes; the adjustable combustion chamber spanning hole structure consists of a spanning hole seat and an adjusting brick; a spanning hole seat is embedded in the spanning hole; a boss structure is arranged on one side or two sides of the spanning hole seat and extends to the outer side of the duplex flue partition wall; the boss structure is provided with an adjusting brick groove, the middle part of the adjusting brick groove is a crossing hole channel, the crossing hole channel is communicated with the vertical fire channels at two sides, the top of the crossing hole channel is flush with the top of the crossing hole, and the two sides of the crossing hole channel are channels matched with two ends of the adjusting brick; the height of the adjusting brick groove is not less than the height of 2 layers of adjusting bricks; the spanning hole can be partially or completely closed by placing the adjusting brick into the adjusting brick groove.
The crossing hole seats are at least 2 and are arranged side by side along the vertical fire channel.
The spanning hole seat is made of refractory materials and is integrally built and formed with the duplex flue partition wall when the coke oven is built.
And at least 2 adjusting brick grooves are arranged on the spanning hole seat side by side.
The section of the adjusting brick groove in the width direction is in a trapezoid shape with a wide upper part and a narrow lower part, or in a trapezoid shape with a wide upper part and a narrow lower part and an arc-shaped bottom surface; the shape of the adjusting brick is matched with that of the adjusting brick groove.
The cross section of the adjusting brick in the thickness direction is rectangular, and the lower part of one side surface is provided with an inclined surface which is inclined inwards and downwards and used for guiding when the adjusting brick is placed into the adjusting brick groove.
And one side of the upper part of the adjusting brick is provided with a hook hole for matching with a hook tool.
Compared with the prior art, the beneficial effects of the utility model are that:
1) through adjusting the adjusting bricks on the spanning hole seats, the flow section size and the opening position of the spanning hole of the combustion chamber can be accurately adjusted, the heating horizontal height of the coke oven can be accurately adjusted, the long-direction heating uniformity of the coke oven is effectively improved, and the coking time is shortened;
2) the adjusting position is positioned in the vertical flame path of the furnace top area, and the measurement of the temperature of the fire observation hole is not influenced;
3) the vertical flame paths at different positions in one coke oven can be adjusted in a differentiation mode according to the positions and the requirements.
Drawings
Fig. 1 is a front view of an adjustable combustion chamber crossover hole structure according to the present invention.
Fig. 2 is a side view of an adjustable combustion chamber crossover hole structure according to the present invention.
Fig. 3 is a front view of the stacked multi-layer adjusting bricks of the present invention.
Fig. 4 is a side view of fig. 3.
In the figure: 1. vertical flue partition wall 2, duplex flue partition wall 3, vertical flue 4, crossing hole seat 5, crossing hole channel 6, channel 7, adjusting brick groove 8, lower layer adjusting brick 9, middle layer adjusting brick 10, upper layer adjusting brick 11, hook hole 12 and observation hole
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 and 2, the combustion chamber of the adjustable combustion chamber crossover hole structure of the present invention is divided into an even number of vertical flues 3 by the vertical flue partition walls 1 and the double flue partition walls 2 which are alternately distributed, the 2 vertical flues 3 at the two sides of the double flue partition walls 2 form a double flue, and the upper parts of the double flue are communicated through the crossover hole; the adjustable combustion chamber spanning hole structure consists of a spanning hole seat 4 and an adjusting brick; a spanning hole seat 4 is embedded in the spanning hole; a boss structure is arranged on one side or two sides of the crossing hole seat 4 and extends to the outer side of the duplex flame path partition wall 2; an adjusting brick groove 7 is arranged on the boss structure, the middle part of the adjusting brick groove 7 is a crossing hole channel 5, the crossing hole channel 5 is communicated with the vertical flame paths 3 at two sides, the top of the crossing hole channel 5 is flush with the top of the crossing hole, and two sides of the crossing hole channel 5 are provided with a channel 6 matched with two ends of the adjusting brick; the height of the adjusting brick groove 7 is not less than the height of 2 layers of adjusting bricks; the spanning section can be partially or completely closed by placing an adjustment brick into the adjustment brick groove 7.
The number of the crossing hole seats 4 is at least 2, and the crossing hole seats are arranged side by side along the vertical flame path 3.
The spanning hole seat 4 is made of refractory materials and is integrally built and formed with the duplex fire path partition wall 2 when the coke oven is built.
At least 2 adjusting brick grooves 7 are arranged on the spanning hole seat 4 side by side.
The section of the adjusting brick groove 7 in the width direction is in a trapezoid shape with a wide upper part and a narrow lower part, or in a trapezoid shape with a wide upper part and a narrow lower part and an arc-shaped bottom surface; the shape of the adjusting brick is matched with the shape of the adjusting brick groove 7.
As shown in fig. 4, the adjusting brick has a rectangular cross-sectional shape in the thickness direction, and a lower portion of one side surface thereof has an inclined surface inclined inward and downward for guiding the adjusting brick when the adjusting brick is placed in the adjusting brick groove 7.
And one side of the upper part of the adjusting brick is provided with a hook hole 11 for matching with a hook tool.
The utility model relates to a combustion chamber stridees across pore structure with adjustable for top loading coke oven, tamping coke oven or top loading tamping integration coke oven.
The utility model relates to an adjusting method of adjustable combustion chamber strideing across hole structure as follows:
(1) when the coke oven is built, the size and the position of the spanning holes in different vertical flues 3 are calculated and determined according to the production requirements, and meanwhile, the number and the size of the adjusting hole seats 4 and the adjusting brick grooves 7 on the adjusting hole seats 4 and the number of the adjusting bricks which are placed in advance are determined;
(2) after the coke oven starts to produce, under the condition that the production working condition is not changed, the number and the positions of the adjusting bricks are not adjusted;
(3) when the production working condition of the coke oven changes, the size of the cross-over hole flow section and the position of the open hole are adjusted by adjusting the combination and arrangement form of the adjusting bricks; the method specifically comprises the following conditions:
a. when the heating uniformity of the coal cake in the height direction is poor, the arrangement position and the number of the bricks are adjusted in the spanning hole seat 4, so that the opening position of the spanning hole is moved upwards, and the heating horizontal height is reduced;
b. when the temperature of the furnace top space is too high, the position and the number of the arranged bricks in the spanning hole seat 4 are adjusted, so that the position of the opening of the spanning hole is moved downwards, and the heating horizontal height is increased;
c. when the heat consumption of the coal cake is reduced or the coking time is prolonged, the arrangement position and the number of the bricks are adjusted in the spanning hole seat 4, so that the size of the flow cross section of the spanning hole is reduced under the condition that the opening position of the spanning hole is not changed;
d. when the coal material changes and the shrinkage rate of the coal cake becomes smaller, the size of the flow-through section of the spanning hole is kept unchanged by adjusting the placement position and the number of the bricks in the spanning hole seat 4, and the position of the opening of the spanning hole moves upwards.
When the production condition of the coke oven changes, the placing number and the position of the adjusting bricks are independently adjusted at each crossing hole according to the position and the actually measured production data.
In the crossing hole structure of the adjustable combustion chamber, the crossing hole at the upper part of the duplex flame path is slightly larger than the conventional crossing hole and is used for embedding the crossing hole seat 4; the flow cross-sectional dimension of the cross-bore channel 5 in the cross-bore seat 4 is designed in comparison to the flow cross-sectional dimension of a conventional cross-bore. Stride across regulation brick groove 7 in hole seat 4 has narrow structure from top to bottom to can place the multilayer and adjust the brick (adjust the brick structure by the three-layer that brick 8, middle level were adjusted to lower floor in fig. 3, fig. 4 and brick 9 and upper strata were adjusted the brick 10 and are constituteed), consequently the utility model discloses not only can change the size of strideing across the hole circulation cross-section through the quantity that increases or reduce the regulation brick, can move up or move down through only putting into lower floor regulation brick 8 or only putting into upper strata and adjust brick 10 and make the trompil position of strideing across the hole in addition.
The adjusting brick is placed and adjusted through the hook tool extending into the observation hole 12.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. An adjustable combustion chamber cross hole structure is characterized in that a combustion chamber is divided into an even number of vertical flues by vertical flue partition walls and duplex flue partition walls which are alternately distributed, 2 vertical flues on two sides of partition walls of the duplex flue form a duplex flue, and the upper parts of the duplex flues are communicated through cross holes; the adjustable combustion chamber is characterized in that the spanning hole structure of the adjustable combustion chamber consists of a spanning hole seat and an adjusting brick; a spanning hole seat is embedded in the spanning hole; a boss structure is arranged on one side or two sides of the spanning hole seat and extends to the outer side of the duplex flue partition wall; the boss structure is provided with an adjusting brick groove, the middle part of the adjusting brick groove is a crossing hole channel, the crossing hole channel is communicated with the vertical fire channels at two sides, the top of the crossing hole channel is flush with the top of the crossing hole, and the two sides of the crossing hole channel are channels matched with two ends of the adjusting brick; the height of the adjusting brick groove is not less than the height of 2 layers of adjusting bricks; the spanning hole can be partially or completely closed by placing the adjusting brick into the adjusting brick groove.
2. The adjustable combustion chamber spanning hole structure as claimed in claim 1, wherein the number of the spanning hole seats is at least 2, and the spanning hole seats are arranged side by side along the vertical flue in the longitudinal direction.
3. The adjustable combustion chamber crossover hole structure of claim 1 or 2, wherein the crossover hole seat is made of refractory material and is integrally formed with the duplex flue partition wall during coke oven construction.
4. The adjustable combustion chamber spanning hole structure as claimed in claim 1 or 2, wherein at least 2 adjusting brick grooves are arranged on the spanning hole seat side by side.
5. The adjustable combustion chamber spanning hole structure as claimed in claim 1, wherein the cross-sectional shape of the adjusting brick groove in the width direction is a trapezoid with a wide upper part and a narrow lower part, or a curved trapezoid with a wide upper part and a narrow lower part and an arc-shaped bottom surface; the shape of the adjusting brick is matched with that of the adjusting brick groove.
6. The adjustable combustion chamber spanning hole structure of claim 1, wherein the cross-sectional shape of the adjusting brick in the thickness direction is rectangular, and the lower part of one side surface is provided with an inclined surface inclined inwards and downwards for guiding when the adjusting brick is put into the adjusting brick groove.
7. The adjustable combustion chamber spanning hole structure as claimed in claim 1, wherein a hook hole is formed at one side of the upper portion of the adjusting brick for cooperating with a hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458303.9U CN212246875U (en) | 2020-04-01 | 2020-04-01 | Adjustable combustion chamber spanning hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458303.9U CN212246875U (en) | 2020-04-01 | 2020-04-01 | Adjustable combustion chamber spanning hole structure |
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| CN212246875U true CN212246875U (en) | 2020-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111269725A (en) * | 2020-04-01 | 2020-06-12 | 中冶焦耐(大连)工程技术有限公司 | Adjustable combustion chamber spanning hole structure and adjusting method thereof |
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- 2020-04-01 CN CN202020458303.9U patent/CN212246875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111269725A (en) * | 2020-04-01 | 2020-06-12 | 中冶焦耐(大连)工程技术有限公司 | Adjustable combustion chamber spanning hole structure and adjusting method thereof |
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