CN2275096Y - Coke oven for producing shaped coke from anthracite and less adhesive coal - Google Patents
Coke oven for producing shaped coke from anthracite and less adhesive coal Download PDFInfo
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- CN2275096Y CN2275096Y CN 96246527 CN96246527U CN2275096Y CN 2275096 Y CN2275096 Y CN 2275096Y CN 96246527 CN96246527 CN 96246527 CN 96246527 U CN96246527 U CN 96246527U CN 2275096 Y CN2275096 Y CN 2275096Y
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- 239000000571 coke Substances 0.000 title claims abstract description 31
- 239000003245 coal Substances 0.000 title claims abstract description 23
- 239000000853 adhesive Substances 0.000 title abstract 2
- 230000001070 adhesive effect Effects 0.000 title abstract 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 title abstract 2
- 239000003830 anthracite Substances 0.000 title abstract 2
- 238000002485 combustion reaction Methods 0.000 claims abstract description 53
- 238000004939 coking Methods 0.000 claims description 46
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 14
- 239000000470 constituent Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002010 green coke Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Coke Industry (AREA)
Abstract
The utility model relates to a coke oven for producing formed coke for anthracite and weak adhesive coal, which is composed of a plurality of same coke ovens with simple holes, wherein, each coke oven with the simple holes comprises an oven cover, a side wall, a front wall, a back wall, a carbonization chamber and a bottom combustion chamber and also comprises a heating fire wall arranged in the middle of the carbonization chamber and used for dividing the carbonization chamber into a left and a right carbonization chambers, and the heating fire wall, the oven cover, the back wall and the bottom surface of the carbonization chamber are mutually connected. S-shaped vertical combustion chambers are arranged in the heating fire wall and the side wall, the S-shaped vertical combustion chambers are communicated with the bottom combustion chamber, and multidimensional combustion is formed. The utility model has the advantages of high use rate for a heat value, short carbonization time, high coke quality, etc.
Description
The utility model relates to a kind of pit kiln that is used for hard coal and weak caking coal production formed coke, and it belongs to coking equipment.
Be used for normally modified form coke oven of pit kiln that bituminous coal, hard coal produces formed coke at present, this improvement stove makes labour intensity increase because of mechanization degree is not high.For addressing this problem, people have worked out a kind of pit kiln of inclined furnace bottom, as disclosed pit kiln among the CN2181664, this pit kiln mainly is made up of furnace wall, inclined furnace bottom and inclined arch furnace roof, on the preceding furnace wall of coke oven, be provided with gasburner, discharging fire door and charging fire door are housed respectively on the forward and backward furnace wall.Because the coking chamber volume of this pit kiln is big and sidewall in the combustion chamber is not set is a solid side walls.Therefore with this pit kiln produce blind coal foundry coke briquetting and metallurgical formed coke exist heat energy between the charring furnace can't utilization and balance, utilization rate of heat value is low, carbonization time is long (stove need about 40 hours), quality product is low, product exists that external oxidation is more, shortcomings such as green coke promptly do not appear in center burning thoroughly.
The purpose of this utility model provides the pit kiln that is used for hard coal and weak caking coal production formed coke that heat can utilize mutually, carbonization time is short, coke quality is high and stable between a kind of coking chamber.
Task of the present utility model is achieved in that this pit kiln is made up of several same single hole pit kiln, and each single hole pit kiln comprises the sidewall of an arch form bell, two supporting bells, antetheca, rear wall, coking chamber that is surrounded by sidewall, antetheca, rear wall and bell and the bottom combustion chamber that is positioned at the coking chamber bottom; The single hole pit kiln comprises that also one is located at the coking chamber intermediary and coking chamber is divided into a left side, right two disjunctor coking chambers heat fiery wall, the upper end and the bell that heat fiery wall join, the lower end that heats fiery wall is connected with the bottom surface of coking chamber, the rear end that heats fiery wall links to each other with rear wall, heat the front end of fiery wall and antetheca at a distance of 620～780mm, be provided with several with a left side on the top that heats fiery wall, the constant temperature hole that right two coking chamber tops are communicated with, be provided with the perpendicular combustion chamber of a S shape in the inside that heats fiery wall, the end opening of the perpendicular combustion chamber of S shape is communicated with bottom combustion chamber, suitable for reading and the gas pipe of the perpendicular combustion chamber of S shape is connected, gas pipe is located at the centre, middle and upper part of rear wall and is communicated with coking chamber by the air distribution hole that is located on the rear wall, respectively be provided with the perpendicular combustion chamber of a S shape in the inside of two sidewalls, the end opening of the perpendicular combustion chamber of S shape is communicated with bottom combustion chamber, suitable for reading and the gas pipe of the perpendicular combustion chamber of S shape is connected, a shared sidewall between the coking chamber of per two single hole pit kiln, the end opening place of the perpendicular combustion chamber of the S shape in share common sidewalls is provided with the passage that is communicated with two furnace bottom combustion chambers, be provided with two preceding temperature adjustment flashboards on this passage, the smoke outlet of bottom combustion chamber is connected with flue collector.
The lower central of above-mentioned antetheca is provided with discharge port, with shared sidewall in the corresponding section of the preceding temperature adjustment flashboard that is provided be provided with before the temperature adjustment hole.
The top of above-mentioned rear wall is provided with two opening for feeds, below opening for feed, be provided with the air distribution hole that communicates with gas pipe and coking chamber, temperature adjustment flashboard after the junction suitable for reading of the perpendicular combustion chamber of the S shape in gas pipe and shared sidewall is provided with two is provided with temperature adjustment hole, back with back temperature adjustment flashboard corresponding section.
Around the single hole pit kiln, be provided with the framework that prevents that stove from splitting, around one group of pit kiln, be provided with and strengthen the furnace wall, strengthening being provided with heat-insulating layer between furnace wall and sidewall, antetheca and the rear wall.
Because the utility model is provided with in the middle of coking chamber and heats fiery wall, is provided with the perpendicular combustion chamber of S shape in heating fiery wall and sidewall, the perpendicular combustion chamber of S shape and bottom combustion chamber form the multidimensional burning, therefore compare with background technology, have following advantage:
1, heat between each hole coking chamber and coal gas can utilize mutually, have saved outer coal blending gas system, have improved the calorific value utilising efficiency;
2, carbonization time shortens, and type of furnace Jiao carbonization time only needs 12～18 hours;
3, coke quality is good, and the center does not have the non-burn-through formed coke of combustion, non-oxidation coke on the limit again;
4, be specially adapted to the charing of bulk casting formed coke.
The utility model will be further described below in conjunction with drawings and Examples.
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is that A among Fig. 1 is to view;
Fig. 3 is that B among Fig. 1 is to view;
Fig. 4 is the C-C sectional view among Fig. 1;
Fig. 5 is the D-D sectional view among Fig. 1;
Fig. 6 is the E-E sectional view among Fig. 1;
Fig. 7 is the F-F sectional view among Fig. 1.
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, present embodiment is made up of six identical single hole pit kiln, and each single hole pit kiln comprises the sidewall 3 of an arch form bell 9, two supporting bells 9, antetheca 1, rear wall 2, coking chamber 24 that is surrounded by sidewall 3, antetheca 1, rear wall 2 and bell 9 and the bottom combustion chamber 21 that is positioned at coking chamber 24 bottoms; The single hole pit kiln comprises that also one is located at coking chamber 24 intermediary and coking chamber 24 is divided into the fiery wall 25 of heating of left and right two disjunctor coking chambers, the upper end and the bell 9 that heat fiery wall 25 join, the lower end that heats fiery wall 25 is connected with the bottom surface of coking chamber 24, the rear end that heats fiery wall 25 links to each other with rear wall 2, heats the front end of wall 25 and antetheca 1 at a distance of 620mm; For making the heat balance of coking chamber 24, be provided with four constant temperature holes 20 that left and right two coking chamber tops are communicated with on the top that heats fiery wall 25, be provided with the perpendicular combustion chamber 19 of a S shape in the inside that heats fiery wall 25, the end opening of the perpendicular combustion chamber 19 of S shape is communicated with bottom combustion chamber 21, suitable for reading and the gas pipe 27 of the perpendicular combustion chamber 19 of S shape is connected, and gas pipe 27 is located in the middle of the wall of middle and upper part of rear wall 2 and by the air distribution hole 15 that is located on the rear wall 2 and is communicated with coking chamber 24.For improving utilization rate of heat value, shorten coking time, respectively be provided with the perpendicular combustion chamber 18 of a S shape in the inside of two sidewalls 3, the end opening of the perpendicular combustion chamber 18 of S shape is communicated with bottom combustion chamber 21, suitable for reading and the gas pipe 27 of the perpendicular combustion chamber 13 of S shape is connected, temperature adjustment flashboard 28 after this junction is provided with two.A shared sidewall 3 between the coking chamber 24 of per two single hole pit kiln, the end opening place of the perpendicular combustion chamber 18 of the S shape in share common sidewalls 3 is provided with the passage 23 that is communicated with two furnace bottom combustion chambers 21, is provided with two preceding temperature adjustment flashboards 29 on this passage 23.The smoke outlet 26 of bottom combustion chamber 21 is connected with flue collector 12, for various required calorific values are regulated in equilibrium, also is provided with negative pressure flashboard 30 in the smoke outlet 26 and flue collector 12 junctions of bottom combustion chamber 21.Lower central at antetheca 1 is provided with discharge port 4, and discharge port 4 is communicated with coking chamber 24.Temperature adjustment hole 7 before the corresponding section of the preceding temperature adjustment flashboard 29 that is provided with in antetheca 1 and shared sidewall 3 is provided with.Be provided with 14, two opening for feeds 14 of two opening for feeds is communicated with left and right coking chamber on the top of rear wall 2.Be provided with the air distribution hole 15 that communicates with gas pipe 27 and coking chamber 24 below opening for feed 14, the corresponding section that back temperature adjustment flashboard 28 is set is provided with temperature adjustment hole, back 16.In order to prevent coking chamber 24 furnace bottom close-burning scars, also be provided with two coke pushing holes 17 that communicate with coking chamber 24, the feed port when this coke pushing hole 17 also can be overhauled as coke oven in the bottom of rear wall 2.
In order to prevent to produce the crack between one group of single hole pit kiln in the pit kiln, around the single hole pit kiln, be provided with the framework made from concrete 10.Around one group of pit kiln, be provided with and strengthen furnace wall 11, strengthening being provided with the thick heat-insulating layer of 40mm 22 between furnace wall 11 and sidewall 3, antetheca 1 and the rear wall 2.For the formed coke after the charing is come out of the stove automatically, it is 34 that this pit kiln is designed to the gradient.Sloping formula pit kiln.Be provided with discharge port fire door 5 and the opening for feed fire door that designs routinely at discharge port 4 and opening for feed 14 in addition.Below discharge port 4, be provided with blow tank 6, on the framework above the discharge port fire door 5 10, be provided with the electric hoist 8 that promotes discharge port fire door 5.Side at this pit kiln is provided with feeding platform 13.
Embodiment 2:
Present embodiment is made up of 2 identical single hole pit kiln, and heating the front end of fiery wall 25 and the distance of antetheca 1 is 680mm.Be provided with 3 constant temperature holes 20 heating fiery wall 25 tops, the top of left and right two coking chambers is communicated with.All the other structures are with embodiment 1.
Embodiment 3:
Present embodiment is made up of 24 identical single hole pit kiln, and heating the front end of fiery wall 25 and the distance of antetheca 1 is 780mm.Be provided with 6 constant temperature holes 20 heating fiery wall 25 tops, the top of left and right two coking chambers is communicated with.All the other structures are with embodiment 1.
Embodiment 4:
Present embodiment is made up of 12 identical single hole pit kiln, and heating the front end of fiery wall 25 and the distance of antetheca 1 is 720mm.Be provided with 5 constant temperature holes 20 heating fiery wall 25 tops, the top of left and right two coking chambers is communicated with.All the other structures are with embodiment 1.
Principle of work of the present utility model is: this pit kiln is routinely behind the baker, when reaching balanced calorific value, can enter the production phase.At this moment with formed coke blank (moulded coal) by quantitative requirement from the opening for feed coking chamber of packing into, by the moulded coal that ignites of existing heat energy in the stove, rising along with furnace temperature, from moulded coal, separate out fugitive constituent, the fugitive constituent of separating out is with the not combustion high-temperature gas mixture body that produces, burn in the combustion chamber that enters the S shape that heats in fiery wall and the sidewall through gas pipe simultaneously, residue heat energy then enters bottom combustion chamber and burns away, and waste gas drains into from flue collector at last in the air.Make the wall that heats fiery wall and sidewall and the bottom surface rapid temperature-raising of coking chamber at the high-temperature gas mixture body of combustion chambers burn and fugitive constituent, make furnace temperature reach 1000～1100 ℃ in the short period of time, regulate negative pressure flashboard and back temperature adjustment flashboard this moment, the furnace temperature thermostatic control under 1000～1100 ℃, is impelled the moulded coal fast charring.After CARBONIZATION OF BRIQUETTES is good, close negative pressure flashboard and back temperature adjustment flashboard, mention fire door, discharge of the coke by the natural furnace bottom gradient of design.The raising of the temperature in the stove of back of the discharging of the coke or when repairing the stove baker, can be in the adjacent body of heater before regulating the temperature adjustment flashboard, after the temperature adjustment flashboard, and the negative pressure flashboard of this stove mentioned to utilize negative pressure that the heat energy in the adjacent stove is entered this stove by passage, gas pipe, furnace temperature is improved rapidly, when furnace temperature reaches production requirement, temperature adjustment flashboard and back temperature adjustment flashboard before closing, the own independent burning of this stove enters next production phase.Operation gets final product cyclic production according to this.
Claims (4)
1, a kind of pit kiln that is used for hard coal and weak caking coal production formed coke, it is made up of several same single hole pit kiln, each single hole pit kiln comprises an arch form bell, the sidewall of two supporting bells, an antetheca, a rear wall, one by sidewall, antetheca, coking chamber that rear wall and bell surround and the bottom combustion chamber that is positioned at the coking chamber bottom, it is characterized in that: the single hole pit kiln comprises that also one is located at the coking chamber intermediary and coking chamber is divided into a left side, right two disjunctor coking chambers heat fiery wall, the upper end and the bell that heat fiery wall join, the lower end that heats fiery wall is connected with the bottom surface of coking chamber, the rear end that heats fiery wall links to each other with rear wall, heat the front end of fiery wall and antetheca at a distance of 620～780mm, be provided with several with a left side on the top that heats fiery wall, the constant temperature hole that right two coking chamber tops are communicated with, be provided with the perpendicular combustion chamber of a S shape in the inside that heats fiery wall, the end opening of the perpendicular combustion chamber of S shape is communicated with bottom combustion chamber, suitable for reading and the gas pipe of the perpendicular combustion chamber of S shape is connected, gas pipe be located at rear wall the middle and upper part the centre and be communicated with coking chamber by the air distribution hole that is located on the rear wall, respectively be provided with the perpendicular combustion chamber of a S shape in the inside of two sidewalls, the end opening of the perpendicular combustion chamber of S shape is communicated with bottom combustion chamber, suitable for reading and the gas pipe of the perpendicular combustion chamber of S shape is connected, a shared sidewall between the coking chamber of per two single hole pit kiln, the end opening place of the perpendicular combustion chamber of the S shape in share common sidewalls is provided with the passage that is communicated with two furnace bottom combustion chambers, be provided with two preceding temperature adjustment flashboards on this passage, the smoke outlet of bottom combustion chamber is connected with flue collector.
2, according to claim 1ly be used for the pit kiln that hard coal and weak caking coal are produced formed coke, it is characterized in that: the lower central of described antetheca is provided with discharge port, with shared sidewall in the corresponding section of the preceding temperature adjustment flashboard that is provided be provided with before the temperature adjustment hole.
3, the pit kiln that is used for hard coal and weak caking coal production formed coke according to claim 1, it is characterized in that: the top of described rear wall is provided with two opening for feeds, below opening for feed, be provided with the air distribution hole that communicates with gas pipe and coking chamber, temperature adjustment flashboard after the junction suitable for reading of the perpendicular combustion chamber of the S shape in gas pipe and shared sidewall is provided with two is provided with temperature adjustment hole, back with back temperature adjustment flashboard corresponding section.
4, the pit kiln that is used for hard coal and weak caking coal production formed coke according to claim 1, it is characterized in that: around the single hole pit kiln, be provided with the framework that prevents that stove from splitting, around one group of pit kiln, be provided with and strengthen the furnace wall, strengthening being provided with heat-insulating layer between furnace wall and sidewall, antetheca and the rear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96246527 CN2275096Y (en) | 1996-11-08 | 1996-11-08 | Coke oven for producing shaped coke from anthracite and less adhesive coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96246527 CN2275096Y (en) | 1996-11-08 | 1996-11-08 | Coke oven for producing shaped coke from anthracite and less adhesive coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2275096Y true CN2275096Y (en) | 1998-02-25 |
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ID=33919079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96246527 Expired - Fee Related CN2275096Y (en) | 1996-11-08 | 1996-11-08 | Coke oven for producing shaped coke from anthracite and less adhesive coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2275096Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221511A (en) * | 2010-09-10 | 2013-07-24 | 蒂森克虏伯伍德公司 | Method and apparatus for automatic removal of carbon deposits from oven chambers and runners in "no recovery" and "heat recovery" coke ovens |
-
1996
- 1996-11-08 CN CN 96246527 patent/CN2275096Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103221511A (en) * | 2010-09-10 | 2013-07-24 | 蒂森克虏伯伍德公司 | Method and apparatus for automatic removal of carbon deposits from oven chambers and runners in "no recovery" and "heat recovery" coke ovens |
| CN103221511B (en) * | 2010-09-10 | 2015-12-02 | 蒂森克虏伯伍德公司 | Method and apparatus for automatic removal of carbon deposits from runners in "no recovery" and "heat recovery" coke ovens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |