CN111269726A - Raw coke oven gas transferring and collecting device for carbonization chamber - Google Patents
Raw coke oven gas transferring and collecting device for carbonization chamber Download PDFInfo
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- CN111269726A CN111269726A CN202010242979.9A CN202010242979A CN111269726A CN 111269726 A CN111269726 A CN 111269726A CN 202010242979 A CN202010242979 A CN 202010242979A CN 111269726 A CN111269726 A CN 111269726A
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- carbonization chamber
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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
- C10B27/00—Arrangements for withdrawal of the distillation gases
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Abstract
The invention relates to a raw coke oven gas transferring and collecting device of a carbonization chamber, which consists of raw coke oven gas bypass channels arranged at the machine side and/or coke side of the carbonization chamber; the raw coke oven gas bypass channel is a channel structure which is formed by expanding towards the outer side of the carbonization chamber and is communicated upwards and downwards along the height of the carbonization chamber, one end of the raw coke oven gas bypass channel is connected with the oven wall, and the other end of the raw coke oven gas bypass channel is connected with the corresponding machine side oven door sealing element/coke side oven door sealing element; the top of the carbonization chamber is at least provided with a raw gas transfer hole, a top space of the carbonization chamber is formed between the top of the carbonization chamber and the top surface of the tamping briquette, and the top of the raw gas bypass channel is communicated with the top space of the carbonization chamber. According to the invention, the raw gas side channel is arranged on one side or two sides of the carbonization chamber of the tamping coke oven, and the raw gas side channel is communicated with the raw gas transfer hole on the top of the carbonization chamber through the space on the top of the carbonization chamber, so that the raw gas is transferred and collected when the carbonization chamber is charged with coal.
Description
Technical Field
The invention relates to the technical field of raw gas collection of a carbonization chamber, in particular to a raw gas transferring and collecting device of the carbonization chamber.
Background
The tamping coke oven is used for charging the coal cake formed by tamping into a carbonization chamber at high temperature, and the surface of the tamping coal cake can generate raw coke oven gas consisting of gas, steam and dust at high temperature. The inner space of the carbonization chamber is limited, and the tamping briquette further compresses the inner space of the carbonization chamber by pushing in, and more raw coke oven gas is generated on the surface of the briquette. A large amount of crude gas dense smoke can increase the pressure in the carbonization chamber and gush out of the carbonization chamber from the coal charging side. The dense smoke of the raw gas not only affects the operation of the coal charging side, but also seriously pollutes the environment and affects the health of workers. In addition, the raw gas is a precious gas purification raw material and an energy medium, so that the raw gas is collected when the coking chamber is charged with coal, and the raw gas is beneficial to health, environmental protection and economic benefit.
Disclosure of Invention
The invention provides a raw gas transferring and collecting device for a carbonization chamber, which is characterized in that a raw gas side channel is arranged on one side or two sides of the carbonization chamber of a tamping coke oven, and the raw gas side channel is communicated with a raw gas transferring hole on the top of the carbonization chamber through the space on the top of the carbonization chamber, so that the raw gas is transferred and collected when the carbonization chamber is charged with coal.
In order to achieve the purpose, the invention adopts the following technical scheme:
a raw gas transfer and collection device for a carbonization chamber is characterized in that furnace walls are arranged on two sides of the carbonization chamber, a machine side furnace door sealing piece is arranged on the machine side of the carbonization chamber, and a coke side furnace door sealing piece is arranged on the coke side of the carbonization chamber; the raw coke oven gas transferring and collecting device consists of raw coke oven gas bypass channels arranged at the machine side and/or the coke side of the carbonization chamber; the raw coke oven gas bypass channel is a channel structure which is formed by expanding towards the outer side of the carbonization chamber and is communicated upwards and downwards along the height of the carbonization chamber, one end of the raw coke oven gas bypass channel is connected with the oven wall, and the other end of the raw coke oven gas bypass channel is connected with the corresponding machine side oven door sealing element/coke side oven door sealing element; the top of the carbonization chamber is at least provided with a raw gas transfer hole, a top space of the carbonization chamber is formed between the top of the carbonization chamber and the top surface of the tamping briquette, and the top of the raw gas bypass channel is communicated with the top space of the carbonization chamber.
The machine side furnace door sealing piece and the coke side furnace door sealing piece are both metal sealing pieces.
The raw coke oven gas side channel is formed by building refractory bricks, the refractory bricks used for forming the raw coke oven gas side channel and the refractory bricks used for forming the oven wall are built into a whole, and joints are built in a staggered manner.
The raw coke oven gas side channel is formed by a metal structural part, the metal structural part forming the raw coke oven gas side channel is welded and fixed with a metal sealing part forming a machine side oven door sealing part or a coke side oven door sealing part, and one end of the metal structural part connected with the oven wall extends into the oven wall by at least 200 mm.
The metal structural part is made of high-temperature-resistant cast iron or high-temperature-resistant steel.
The raw coke oven gas bypass channel is of a channel structure which is closed in three sides and opened towards one side of the center of the carbonization chamber, and one side of the raw coke oven gas bypass channel close to the outer wall of the coke oven is formed by a corresponding machine side oven door sealing piece or a coke side oven door sealing piece.
The horizontal cross section of the crude gas bypass channel is rectangular, the length of the inner side of the rectangle is 30-150 mm, and the width of the inner side of the rectangle is 30-150 mm.
The horizontal cross section of the crude gas bypass channel is rectangular, the length of the inner side of the rectangle is 50-100 mm, and the width of the inner side of the rectangle is 50-100 mm.
Compared with the prior art, the invention has the beneficial effects that:
1) the structure is simple, the raw gas side channel is an expanded space formed on the basis of the furnace wall of the carbonization chamber and the original furnace door sealing element, can be formed by extending and building refractory bricks which are the same as the carbonization chamber, and can also be formed by metal structural elements which are the same as the furnace door sealing element in material, the structure has no influence on the original structure, and the construction, the installation, the maintenance and the cleaning are simple and convenient;
2) the number of seams at the two sides of the carbonization chamber is not changed, which is beneficial to the sealing effect of the carbonization chamber;
3) the raw gas bypass channel is communicated with the raw gas transfer hole through the top space of the carbonization chamber, a communication device and a valve switch are not required to be additionally arranged, the structure is simplified, and the investment cost is reduced;
4) the raw gas side channel is a structure expanding towards the outside of the carbonization chamber, does not contact with the tamping coal cake, cannot damage the tamping coal cake, and cannot damage the raw gas side channel due to friction between the raw gas side channel and the tamping coal cake;
5) the crude gas bypass channel can uniformly transfer crude gas generated by tamping coal cakes in the carbonization chamber from the top to the bottom, negative pressure is formed, and the crude gas in the carbonization chamber cannot gush out from the coal charging side.
Drawings
FIG. 1 is a first structural schematic diagram of a raw gas transferring and collecting device of a carbonization chamber.
Fig. 2 is a view a-a in fig. 1.
FIG. 3 is a schematic structural diagram II of a raw gas transferring and collecting device of a carbonization chamber.
Fig. 4 is a view B-B in fig. 3.
FIG. 5 is a third schematic structural diagram of the raw gas transferring and collecting device of the carbonization chamber.
In the figure: 1. a coking chamber 2, a furnace wall 3, a machine side furnace door sealing piece 4, a coke side furnace door sealing piece 5, a crude gas side channel 6, a tamping coal cake 7, a top space 8 of the coking chamber, a crude gas transfer hole
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-5, according to the raw coke oven gas transferring and collecting device of the carbonization chamber, oven walls 2 are arranged on two sides of the carbonization chamber 1, a side oven door sealing member 3 is arranged on the side of the carbonization chamber 1, and a coke side oven door sealing member 4 is arranged on the coke side of the carbonization chamber 1; the raw coke oven gas transferring and collecting device consists of a raw coke oven gas bypass channel 5 arranged at the machine side and/or the coke side of the carbonization chamber 1; the raw coke oven gas bypass channel 5 is a channel structure which is formed by expanding towards the outer side of the carbonization chamber 1 and is communicated upwards and downwards along the height of the carbonization chamber 1, one end of the raw coke oven gas bypass channel 5 is connected with the oven wall 2, and the other end is connected with a corresponding machine side oven door sealing piece 3/coke side oven door sealing piece 4; the top of the carbonization chamber 1 is at least provided with a raw gas transfer hole 8, a carbonization chamber top space 7 is formed between the top of the carbonization chamber 1 and the top surface of the tamping briquette 6, and the top of the raw gas bypass channel 5 is communicated with the carbonization chamber top space 7.
The machine side furnace door sealing part 3 and the coke side furnace door sealing part 4 are both metal sealing parts.
The raw coke oven gas side channel 5 is formed by building refractory bricks, the refractory bricks used for forming the raw coke oven gas side channel 5 and the refractory bricks used for forming the oven wall 2 are built into a whole, and joints are built in a staggered joint mode.
The raw coke oven gas side channel 5 is formed by a metal structural member, the metal structural member forming the raw coke oven gas side channel 5 and the metal sealing member forming the machine side oven door sealing member 3 or the coke side oven door sealing member 4 are welded and fixed, and one end of the metal structural member connected with the oven wall 2 extends into the oven wall for at least 200 mm.
The metal structural part is made of high-temperature-resistant cast iron or high-temperature-resistant steel.
The raw coke oven gas bypass channel 5 is of a channel structure with three closed surfaces and one open surface facing the center of the carbonization chamber 1, and one side of the raw coke oven gas bypass channel close to the outer wall of the coke oven is formed by a corresponding machine side oven door sealing piece 3 or a coke side oven door sealing piece 4.
The horizontal cross section of the crude gas bypass channel 5 is rectangular, the length of the inner side of the rectangle is 30-150 mm, and the width of the inner side of the rectangle is 30-150 mm.
The horizontal cross section of the crude gas bypass channel 5 is rectangular, the length of the inner side of the rectangle is 50-100 mm, and the width of the inner side of the rectangle is 50-100 mm.
FIG. 1 and FIG. 2 show a horizontal cross-sectional view of the raw gas bypass duct 5 provided on the side of the coking chamber 1. The two sides of the carbonization chamber 1 are furnace walls 2, and the top is a furnace top. The coal cake after tamping is loaded from the coal loading side (right side in the figure), and the raw gas side channel 5 is arranged at one side of the machine side (right side in the figure) of the carbonization chamber 1. The raw coke oven gas bypass channel 5 is a channel structure which is closed on three sides, is open towards one side of the center of the carbonization chamber 1, has a rectangular horizontal section (also can be triangular, trapezoidal, semicircular or other polygons), and is through along the height direction of the carbonization chamber 1. One side of the crude gas bypass channel 5 close to the outer wall of the coke oven is formed by a machine side oven door sealing piece 3 connected with the machine side oven door, and the other two sides are formed by refractory bricks or metal structural parts. The raw gas transfer hole 8 is arranged on the furnace top, and a top space 7 of the carbonization chamber is formed between the furnace top and the top surface of the tamping briquette 6.
When the tamping coal cake 6 is loaded from the coal loading side (machine side), a large amount of raw coke oven gas generated enters the raw coke oven gas side channel 5, the raw coke oven gas side channel 5 has the functions of collecting and storing the raw coke oven gas, and the raw coke oven gas rises along the raw coke oven gas side channel 5, passes through the top space 7 of the carbonization chamber and is led out through the raw coke oven gas transfer hole 8.
Fig. 3 and 4 show another scheme of the invention, wherein a raw coke oven gas bypass channel 5 is arranged on the coke side of the carbonization chamber 1, and the structure and the working principle of the scheme are similar to those of the raw coke oven gas bypass channel 5 arranged on the coke side of the carbonization chamber 1, and the description is omitted.
Fig. 5 shows a scheme that raw coke oven gas bypass channels 5 are respectively arranged at the machine side and the coke side of the carbonization chamber 1, and the two groups of raw coke oven gas bypass channels 5 act together to further improve the effect of raw coke oven gas collection and transfer.
According to the preferred scheme of the invention, negative pressure of-50 Pa to-500 Pa can be generated in the crude gas bypass channel 5 through the suction force of the crude gas transfer hole 8, the crude gas in the carbonization chamber 1 can be smoothly transferred, and unnecessary energy consumption can be increased when the pressure exceeds the range.
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 (8)
1. A raw gas transfer and collection device for a carbonization chamber is characterized in that furnace walls are arranged on two sides of the carbonization chamber, a machine side furnace door sealing piece is arranged on the machine side of the carbonization chamber, and a coke side furnace door sealing piece is arranged on the coke side of the carbonization chamber; the device is characterized in that the raw coke oven gas transferring and collecting device consists of raw coke oven gas bypass channels arranged at the machine side and/or the coke side of the carbonization chamber; the raw coke oven gas bypass channel is a channel structure which is formed by expanding towards the outer side of the carbonization chamber and is communicated upwards and downwards along the height of the carbonization chamber, one end of the raw coke oven gas bypass channel is connected with the oven wall, and the other end of the raw coke oven gas bypass channel is connected with the corresponding machine side oven door sealing element/coke side oven door sealing element; the top of the carbonization chamber is at least provided with a raw gas transfer hole, a top space of the carbonization chamber is formed between the top of the carbonization chamber and the top surface of the tamping briquette, and the top of the raw gas bypass channel is communicated with the top space of the carbonization chamber.
2. The raw coke oven gas transferring and collecting device of claim 1, wherein the machine side oven door sealing element and the coke side oven door sealing element are both metal sealing elements.
3. The raw coke oven gas transferring and collecting device of claim 1, wherein the raw coke oven gas bypass channel is built by refractory bricks, the refractory bricks used for forming the raw coke oven gas bypass channel and the refractory bricks used for forming the oven wall are built into a whole, and joints are built by staggered joints.
4. The raw coke oven gas transferring and collecting device of claim 1, wherein the raw coke oven gas bypass channel is formed by a metal structural member, the metal structural member forming the raw coke oven gas bypass channel is welded and fixed with a metal sealing member forming the side oven door sealing member or the coke side oven door sealing member, and one end of the metal structural member connected with the oven wall extends into the oven wall by at least 200 mm.
5. The raw coke oven gas transferring and collecting device of claim 1 or 4, wherein the metal structural member is made of high temperature resistant cast iron or high temperature resistant steel.
6. The raw coke oven gas transferring and collecting device of claim 1, 3 or 4, wherein the raw coke oven gas bypass channel is a channel structure with three closed surfaces and one open surface facing the center of the coking chamber, and one side of the channel structure close to the outer wall of the coke oven is formed by a corresponding machine side oven door sealing piece or a coke side oven door sealing piece.
7. The raw coke oven gas transferring and collecting device of claim 6, wherein the horizontal cross section of the raw coke oven gas bypass channel is rectangular, the length of the inner side of the rectangle is 30-150 mm, and the width of the inner side of the rectangle is 30-150 mm.
8. The raw coke oven gas transferring and collecting device of claim 6, wherein the horizontal cross section of the raw coke oven gas bypass channel is rectangular, the length of the inner side of the rectangle is 50-100 mm, and the width of the inner side of the rectangle is 50-100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242979.9A CN111269726A (en) | 2020-03-31 | 2020-03-31 | Raw coke oven gas transferring and collecting device for carbonization chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242979.9A CN111269726A (en) | 2020-03-31 | 2020-03-31 | Raw coke oven gas transferring and collecting device for carbonization chamber |
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| Publication Number | Publication Date |
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| CN111269726A true CN111269726A (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010242979.9A Pending CN111269726A (en) | 2020-03-31 | 2020-03-31 | Raw coke oven gas transferring and collecting device for carbonization chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538361A (en) * | 2020-12-21 | 2021-03-23 | 中冶焦耐(大连)工程技术有限公司 | Staggered groove type coke oven carbonization chamber furnace head structure |
-
2020
- 2020-03-31 CN CN202010242979.9A patent/CN111269726A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538361A (en) * | 2020-12-21 | 2021-03-23 | 中冶焦耐(大连)工程技术有限公司 | Staggered groove type coke oven carbonization chamber furnace head structure |
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