CN2269398Y - Anthracite powder coal formed-coke coke oven - Google Patents
Anthracite powder coal formed-coke coke oven Download PDFInfo
- Publication number
- CN2269398Y CN2269398Y CN 96245218 CN96245218U CN2269398Y CN 2269398 Y CN2269398 Y CN 2269398Y CN 96245218 CN96245218 CN 96245218 CN 96245218 U CN96245218 U CN 96245218U CN 2269398 Y CN2269398 Y CN 2269398Y
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- China
- Prior art keywords
- furnace
- coke
- furnace bottom
- parallel
- coke oven
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000571 coke Substances 0.000 title claims abstract description 42
- 239000003245 coal Substances 0.000 title claims description 10
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 title claims description 8
- 239000003830 anthracite Substances 0.000 title claims description 8
- 239000000843 powder Substances 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 238000003763 carbonization Methods 0.000 claims description 16
- 238000010304 firing Methods 0.000 claims description 10
- 238000004939 coking Methods 0.000 abstract description 5
- 238000010791 quenching Methods 0.000 abstract description 5
- 230000000171 quenching effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003039 volatile agent Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 239000002010 green coke Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Coke Industry (AREA)
Abstract
The utility model relates to a coking furnace for smokeless and powder-free coal-formed coke, which comprises a furnace wall, a furnace roof, a furnace door, a furnace base, and a furnace hearth. The utility model is characterized in that the furnace hearth is an inclined furnace hearth, the upper surface of the inclined furnace hearth has a nonplanar structure, the interior of a furnace body is provided with a plurality of groups of repeated flame guiding combustion systems which are connected in parallel and air supply systems which are connected in parallel, wherein, each repeated flame guiding combustion system is composed of a flame path, a draught fan, and a plurality of combustion chamber groups which are connected in series between the flame path and the draught fan. The utility model has the advantages of no accessory energy source such as gas, etc., easy control of furnace temperature, even mixing of volatiles and air, repeated flame guiding and sufficient combustion, short coking time, no raw coke, high thermal efficiency, and little environmental pollution. Materials can be automatically fed and discharged, the coke quenching can be carried out outside the furnace, the yield of each square meter furnace hearth area is four to five times of that of the existing furnace type, and the coke formation rate can reach over 95%.
Description
The utility model relates to the continuous coking Formed Coke Furnace, particularly a kind of anthracite fine coal formed coke coke oven.
At present, the used coke oven of middle-size and small-size coal chemical enterprise mostly is the modified version coke oven of traditional Pingxiang stove, and it adopts flat shape bottom construction, can't realize mechanized, labour intensity is big, productivity is low, and temperature is lower in the stove, and the each several part temperature is even inadequately, usually cause furnace bottom the green coke phenomenon to occur, and serious environment pollution, it still adopts quenching in the stove, and heat-energy losses is more.
China's utility model patent 93222507.1 formed coke coke ovens, proposing a kind of employing is convenient to secondary in the inclined bottom construction of automatic feed discharging, stove and leads the flame firing system, sprays the volatile matter in the coal gas point burner and improve the coke oven of technical measures such as the interior temperature of stove, its heat-energy losses reduces, level of automation is higher, and close-burning speed and formed coke quality have certain improvement.But there is the dead angle, many places in its fire door than narrow many of inclined furnace bottom in the stove, it is inhomogeneous to ventilate, and furnace temperature is wayward, not only the charging and discharging time longer, and the close-burning time is long, draughty a part of ball is oxidized have been fallen, and the difference of ventilating the green coke phenomenon still appears.Coke oven still need spray into gas-fired to improve temperature in the stove when working continuously simultaneously, and power consumption increases, and causes the formed coke cost up.
The purpose of this utility model is to overcome the deficiency that prior art exists, provide a kind of have many groups in parallel repeatedly lead flame firing system and supply air system in parallel, furnace temperature is easy to control, scorch time is short, the mechanize formed coke coke oven that heat-energy losses is little, avoid the green coke phenomenon.
Anthracite fine coal formed coke coke oven of the present utility model, comprise: furnace wall, furnace roof, fire door, stove seat, furnace bottom, it is characterized in that: furnace bottom is the inclined furnace bottom, and the upper surface of inclined furnace bottom is a nonplanar structure, in body of heater, be provided with many groups in parallel repeatedly lead flame firing system and supply air system in parallel.Described many groups cigarette firing system of repeatedly leading in parallel is constructed as follows, several series connection combustion chamber groups (8) are set below the furnace bottom (7), the rear side of carbonization chamber (9) is provided with quirk (5), the going into end, go out end and connect quirk (5) and main flue (18) respectively of described each series connection combustion chamber group (8), induced draft fan (36) is arranged at the outlet of main flue (18).Supply air system in parallel comprises: vertically be arranged at the some air inlet ducts (16) in the silt wind type furnace bottom (7), the gas blower (35) that all connects with each air inlet duct (16) one end, the some intake openings that are distributed in air inlet duct (16) upper wall and are communicated with carbonization chamber (9).
Description of drawings of the present utility model is as follows.
Fig. 1 is the coke oven cut-away view of its exemplary embodiments;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is its front view;
Fig. 5 is its rear view.
Each several part shown in Fig. 1～Fig. 3 is respectively: charging fire door (1), back furnace wall (2), opening for feed (3), quirk arch (4), quirk (5), smoke-refeed mouth (6), furnace bottom (7), combustion chamber (8), carbonization chamber (9), furnace roof (10), thermal insulation layer (11), preceding furnace wall (12), discharge port (13), discharging fire door (14), fall furnace wall (15), air inlet duct (16), the raised line (17) of furnace bottom (7) upper surface, main flue (18), stove seat (19).
The furnace wall of coke oven comprises preceding furnace wall (12), back furnace wall (2) and the furnace wall (15) that falls as shown in drawings, and the furnace wall inboard is built into refractory brick, and the outside is a common brick, filling with insulation material in the body of wall, about 600 millimeter of wall thickness.Discharge port (13) is set on preceding furnace wall (12), on back furnace wall (2), opening for feed (3) is set, furnace bottom (7) is the inclined furnace bottom, the upper surface of inclined furnace bottom is a nonplanar structure, the angle of inclination of furnace bottom is about 38 degree, and the width of the width of opening for feed (3), discharge port (13) all width with the intravital carbonization of stove chamber (9) is identical or approaching, to avoid in the prior art carbonization chamber (9) problem, the problem includes: the dead angle problem, fit into, discharging car automatic charging, discharging, improve the speed of charging and discharging.Furnace roof (10) also is the inclination domes, and about 60 degree of arch angle, filling heat insulator in vault is to reduce calorific loss.
Be to improve thermo-efficiency, close-burning speed, solve the green coke phenomenon, the utility model in body of heater, be provided with many groups in parallel repeatedly lead flame firing system and supply air system in parallel.Shown in Fig. 1～3,2～6 series connection combustion chamber groups (8) are set below furnace bottom (7), comprise 2 in each series connection combustion chamber group (8), or 4 combustion chambers, rear side in carbonization chamber (9) is provided with quirk (5), the going into end, go out end and connect quirk (5) and main flue (18) respectively of above-mentioned each series connection combustion chamber group (8) is positioned at main flue (18) on the wall of back and exports induced draft fan (36) is set.Embodiment is provided with 2 series connection combustion chamber groups (8) among the figure, in each series connection combustion chamber group (8) two combustion chambers are arranged, lead the flame firing system twice that constitutes two groups of parallel connections,, lead the flame firing system four times that then constitute two groups of parallel connections when each series connection combustion chamber group (8) when containing 4 combustion chambers.The utility model can be provided with 6 series connection combustion chamber groups (8), and each series connection combustion chamber group (8) contains 2 (or 4) combustion chambers, and twice (or four times) constituting six groups of parallel connections lead the flame firing system.
Above-mentioned supply air system in parallel is by 4 (or the 8) air inlet ducts (16) in the inclined furnace bottom (7), and with the gas blower (35) that air inlet duct (16) one ends connect, the some intake openings that are distributed in air inlet duct (16) upper wall, UNICOM carbonization chamber (9) are formed.
Ventilate for further improving between inclined furnace bottom (7) and type ball, the utility model inclined furnace bottom (7) upper surface is designed to nonplanar structure, this nonplanar structure can be for being distributed in some the parallel raised lines (17) of furnace bottom (7) upper surface, the cross section of raised line (17) is a rectangle, or trilateral, trapezoidal, or semicircle, or half elliptic etc.
Fig. 4 is the front view of the foregoing description, and wherein (14) are the discharging fire door, and (20) are travelling block, and (21) are fixed pulley, and (22) are wireline, and (23) are counterweight, and (24) are worm gear reducer windlass cylinder, and (25) are locking latches, and (26) are rigid support.The framework that charging fire door (14) is welded into for shaped steel, difference filling heat insulator and refractory brick in the framework, the fire door electric hoisting mechanism is made up of the fixed pulley (21) on the travelling block on the fire door (20), support (26), the support, wireline (20), counterweight (23) and windlass cylinder (24) etc., and locking latches (25) also is set on the fire door.
Fig. 5 is the rear view of embodiment, and wherein (1) is feeding gate, and (30) are travelling block, and (31) are fixed pulley, (32) be wireline, (33) are counterweight, and (34) are locking latches, (35) be gas blower, (36) are induced draft fan, and (37) are worm gear reducer windlass cylinder.The electric hoisting mechanism of charging fire door (1) repeats no more with the lifting mechanism of discharging fire door (14).Induced draft fan shown in Fig. 5 (36) is loaded on stove main flue (18) exit, is loaded on the gas blower (35) of furnace side and above-mentioned some air inlet ducts (16) UNICOM.
The working process of the utility model coke oven is as follows: anthracite fine coal and binding agent in proportion behind the thorough mixing, are squeezed into green-ball, oven dry through shaper; Automatically open charging fire door (1), by continuously the green-ball of oven dry is packed into the carbonization chamber (9) of preheating of charging car, locking fire door; Open gas blower, in carbonization chamber (9), evenly send into air by the some intake openings on air inlet duct (16), the furnace bottom, volatile matter mixes fully burning of back with even air, the incendiary flue gas is via quirk (5), crater (6), what enter each parallel connection repeatedly leads flame combustion chamber group (8), lead repeatedly after flame fully burns, enter main flue (8), import chimney by induced draft fan (36) and discharge.By regulating gas blower (35), the speed of induced draft fan (36) can be controlled the temperature in the stove, easily with the accelerated carbonation process.All carbonization process needs about 6 hours approximately.One stove green-ball carbonization is finished, and opens discharging fire door (14) automatically, and coke falls into quenching in the coke quenching pool automatically, finishes a cycle operation, so repeatedly, promptly enters automatically cyclic carbon equalization continuously.
Outside the coke oven decapacitation of the present utility model processing anthracite fine coal formed coke, also applicable to processing based on the formed coke of meager coal.
The utility model advantage compared with the prior art is as follows:
Being provided with many groups flame of repeatedly leading in parallel in its body of heater burns and supply air system in parallel, inclined bottom construction with some parallel raised lines, no dead angle in the stove, furnace temperature is easy to control, and volatile matter and the even air of sending into are mixed into the burning of carbonization chamber, and the incendiary flue gas is through repeatedly leading further fully burning of flame, accelerated coking speed greatly, the green coke phenomenon of having avoided existing coke oven to exist has reduced heat-energy losses simultaneously, has reduced environmental pollution.Do not need supplementary energies such as coal gas during carbonization.
Its inclined furnace bottom, fire door electric hoist structure, cooperate truck to realize mechanize input and output material and the outer quenching of stove, alleviated labour intensity greatly, improved productivity, its test type of furnace is 6 hours through the average close-burning time average of repeatedly working continuously, every square metre of hearth area output reaches 1 ton/day, is 4～5 times of existing coke oven, and coking power reaches more than 95%.
The WJ-I anthracite fine coal formed coke that utilizes this coke oven to produce, through relevant department's test, its technical data is as follows:
Specification: 50 * 40 * 30 (mm)
Ash:＜15%
Sulphur:＜0.80%
Fugitive constituent:＜1.9%
Moisture content:＜5%
Fixed carbon:＞75%
Thermal value:＞6800KCal/kg
Single ball ultimate compression strength:＞24kg/.
Claims (6)
1, a kind of anthracite fine coal formed coke coke oven, comprise: furnace wall, furnace roof, fire door, stove seat, inclined furnace bottom, it is characterized in that: the upper surface of described inclined furnace bottom is a nonplanar structure, in body of heater, be provided with many groups in parallel repeatedly lead flame firing system and supply air system in parallel.
2, coke oven according to claim 1 is characterized in that:
Described many groups flame firing system of repeatedly leading in parallel constitutes like this, several series connection combustion chamber groups (8) are set below the inclined furnace bottom (7), the rear side of carbonization chamber (9) is provided with quirk (5), the going into end, go out end and connect quirk (5) and main flue (18) respectively of described each series connection combustion chamber group (8), main flue (18) exports induced draft fan (36) is set;
Described supply air system in parallel comprises, vertically be arranged at the some air inlet ducts (16) in the inclined furnace bottom (7), with the gas blower (35) that each air inlet duct (16) one end all connects, the some intake openings that are distributed in air inlet duct (16) upper wall and are communicated with carbonization chamber (9).
3, coke oven according to claim 2 is characterized in that: described inclined furnace bottom (7) is arranged with 2～6 series connection combustion chamber groups (8), comprises 2 or 4 combustion chambers in each series connection combustion chamber group (8).
4, coke oven according to claim 1 is characterized in that: upper surface distribution some the parallel raised lines (17) of described inclined furnace bottom (7).
5, coke oven according to claim 4 is characterized in that: the described cross section that is distributed in the raised line (17) of inclined furnace bottom (7) upper surface is a rectangle, or trilateral, or trapezoidal, or semicircle, or half elliptic.
6, coke oven according to claim 1 is characterized in that: the width of described opening for feed (3) and discharge port (13) is all identical or approaching with the width of carbonization chamber (9) in the stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245218 CN2269398Y (en) | 1996-11-13 | 1996-11-13 | Anthracite powder coal formed-coke coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245218 CN2269398Y (en) | 1996-11-13 | 1996-11-13 | Anthracite powder coal formed-coke coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2269398Y true CN2269398Y (en) | 1997-12-03 |
Family
ID=33918362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96245218 Expired - Fee Related CN2269398Y (en) | 1996-11-13 | 1996-11-13 | Anthracite powder coal formed-coke coke oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2269398Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314715B (en) * | 2007-05-30 | 2013-05-08 | 山东科技大学 | Double-layer charing chamber type coke oven with wedged bottom |
-
1996
- 1996-11-13 CN CN 96245218 patent/CN2269398Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314715B (en) * | 2007-05-30 | 2013-05-08 | 山东科技大学 | Double-layer charing chamber type coke oven with wedged bottom |
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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 |