CN201442914U - Externally-heated heel tap charing coke oven - Google Patents
Externally-heated heel tap charing coke oven Download PDFInfo
- Publication number
- CN201442914U CN201442914U CN2009200160433U CN200920016043U CN201442914U CN 201442914 U CN201442914 U CN 201442914U CN 2009200160433 U CN2009200160433 U CN 2009200160433U CN 200920016043 U CN200920016043 U CN 200920016043U CN 201442914 U CN201442914 U CN 201442914U
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- coke oven
- coking chamber
- coke
- coking
- charing
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Abstract
The utility model relates to a coking device, in particular to an externally-heated heel tap charing coke oven. Each group of coke ovens consists of at least one single-hole oven, each single-hole oven comprises a coking chamber, a combustion chamber, a coaling fire door, a coke discharging fire door, a fire door frame, an air distribution device and a smoke flue, wherein an inclined structure is formed at the bottom of the coking chamber and inclines downward from the coaling side to the coke discharging side; and an arch crown of the coking chamber is a 180-degree semi-circular arch crown and is built in a step shape in the direction same as the inclined direction of the coking chamber. Compared with the prior art, the externally-heated heel tap charing coke oven has the advantages that structure is simple and brick type is less, the produced gas is not discharged out of the oven due to smoke coaling, and the coke oven is self-sufficient and less in investment; and the coal seam is heated to be coke in the vertical direction, and the coke oven also has the advantages of high heating speed, short coking time, high coking rate, energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of coking equipment, is a kind of external-heat wedged bottom charing coke oven.
Background technology
In the prior art, the coke oven that coking industry uses is a kind of horizontal-chamber type coke oven mostly, and this kind coke oven is to going into the specification of quality height of stove coal, mixed coal coking such as main employing coking coal, rich coal, lean coal, bottle coal, because the coking coal reserves are few, the cost height will improve the coking cost so greatly.
The patent No. is that ZL02125355.2, notification number are that the Chinese invention patent of CN1208425C discloses a kind of casting type coke carboniznig furnace, disclosing a kind of coking chamber bottom and vault is the charring furnace of incline structure, its coking chamber is a wedged bottom, and the combustion chamber is paved into 20-50 ° in the coking chamber bottom by refractory brick and is obliquely installed.Its weak point is: flue design in combustion chamber is not too reasonable; Go out coke oven door narrow, the dead angle is arranged, the discharging of the coke has some setbacks; Coaling in the production operation process, flue dust escapes, contaminate environment etc.
Summary of the invention
The purpose of this utility model provides a kind of heat energy that makes full use of, the clog-free energy-saving and environmental protection of discharging, external-heat wedged bottom charing coke oven efficiently.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of external-heat wedged bottom charing coke oven, every group of coke oven is made up of one or more single hole stove, each single hole stove comprises coking chamber, combustion chamber, the fire door of coalingging, go out coke oven door, firedoor frame, air distribution device, flue, and described coking chamber bottom is an incline structure, and side to the side direction of the discharging of the coke has a down dip by coalingging; The coking chamber vault is 180 ° of semicircle vaults, builds by laying bricks or stones with the identical notch cuttype that carries out of vergence direction of coking chamber.
Described combustion chamber is positioned at that the coking chamber bottom is snakelike setting and is the boundary with the coking chamber medullary ray, is provided with barricade in the middle of the flue of both sides, and the trend of combustion chamber is parallel also for being obliquely installed bottom coking chamber.
The described fire door of coalingging is 90 ° or 120 ° of vaults with the door upper part of the discharging of the coke.
Described to go out coke oven door be identical width with coking chamber, is unobstructed construction.
Every section stagewise width of described coking chamber vault is 300-750mm.
The described fire door both sides of coalingging are provided with the smoke prevention and dust control mechanism of coalingging, and the smoke of gunpowder dedusting mechanism of coalingging is made up of smoke of gunpowder road and control flashboard, and the control flashboard is installed on the smoke of gunpowder road, and top, smoke of gunpowder road is connected with coking chamber, and the bottom is connected with vertical gas pass.
On firedoor frame and fire door contact surface the inverted triangle groove is set, interior edge heat resistance fiber rope is realized the soft seal of fire door and body of heater.
Compared with prior art, the utility model has the advantages that: coke oven construction is simple, the brick type is few, and the smoke of gunpowder is coaling, and institute's producing coal gas is not come out of the stove, and is self-sufficient, less investment.Above-below direction heating coal seam coking, the rate of heating piece, coking time is short, coking power height, energy-saving and environmental protection.
Description of drawings
Fig. 1 is the structural representation of the single hole stove of external-heat wedged bottom charing coke oven;
Fig. 2 is the shape assumption diagram of porous stove;
Fig. 3 is the A-A view of Fig. 1;
Fig. 4 is the C-C view of Fig. 1;
Fig. 5 is the structure iron of combustion chamber;
Fig. 6 is the B-B view of Fig. 5;
Fig. 7 is the D-D view of Fig. 5;
Fig. 8 is the structure iron of smoke of gunpowder dedusting mechanism of coalingging;
Fig. 9 is the E-E sectional view of Fig. 8;
Figure 10 is the F-F sectional view of Fig. 8;
Figure 11 is the G-G sectional view of Fig. 8.
Embodiment
See Fig. 1, a kind of external-heat wedged bottom charing coke oven is mainly used in and produces the bulk casting formed coke of colding pressing.Every group of coke oven is made up of one or more single hole stove, and each single hole stove is an absolute construction, and refractory brick is built by laying bricks or stones.Each single hole stove comprises coking chamber 1, combustion chamber 2, downdraf hole 3, flue 4, combustion air road 5, the smoke of gunpowder dedusting mechanism 6 of coalingging, the fire door 10 of coalingging, go out coke oven door 11, furnace stay 12, vertical gas pass 8, horizontal flue 9, firedoor frame 14, tie rod 15, spring 16, coking chamber 1 bottom is an incline structure, side to the side direction of the discharging of the coke has a down dip by coalingging, long 3 meters～10 meters of coking chamber, wide 2.40 meters～3.60 meters, the inclination angle is 28～38 ° at the bottom of the coking chamber, coking chamber top is 180 ° of semicircle vaults, build by laying bricks or stones with the identical notch cuttype that carries out of vergence direction of coking chamber, every section stagewise width of coking chamber vault is 300-750mm.
Combustion chamber 2 is in coking chamber 1 bottom, parallelly with 1 end of coking chamber is snakelike layout.Seeing Fig. 5, is the boundary with the coking chamber medullary ray, and flue system two tunnel designs are provided with barricade in the middle of the flue system of both sides, do not disturb mutually.Converge 7 two of flues, 8 two of vertical gas passes, vertical gas pass lower horizontal flue 9 passes to outside the stove.
Be connected by 4～8 flues 4 between coking chamber 1 and the combustion chamber 2, be evenly distributed on coking chamber two wing furnaces within the walls.There are 2～4 on each wall; Flue 4 tops link with coking chamber by downdraf hole 3 is vertical, link by combustion air road 5 and ambient atmosphere; Flue 4 bottoms are connected with combustion chamber 2.
The coking chamber vault is established one of thermometer hole, 1～3 of wind distributing hole.
The raw gas that produces in the moulded coal retort process directly enters combustion chamber 2 burnings by downdraf hole 3 through flue 4, provides the formed coke charing ripe needed heat.This coke oven adopts the side coal mode, and the fire door 10 of coalingging goes out coke oven door 11 at low side high-end, the fire door 10 and go out the domes that coke oven door 11 tops are 90 ° or 120 ° of coalingging, and going out coke oven door is identical width with coking chamber, is unobstructed construction.Every hole coal capacity 3～13t.Coking time 10～15 hours.The flue dust that produces of coalingging is collected coke oven vertical gas pass 8 by smoke of gunpowder road 6, is discharged to the stove external flue with coke oven flue gas through horizontal flue 9 after the perfect combustion.
See Fig. 1, Fig. 8, Fig. 9, Figure 10, the smoke of gunpowder dedusting mechanism 6 of coalingging is provided with two, is distributed in fire door 10 both sides of coalingging.The smoke of gunpowder dedusting mechanism of coalingging is made up of smoke of gunpowder road 6-1 and control flashboard 6-2, and control flashboard 6-1 is installed on the smoke of gunpowder road 6-1.Top, smoke of gunpowder road is connected with coking chamber 1, and the bottom is connected with vertical gas pass 8.
When coalingging, open coaling fire door 10 and smoke of gunpowder control flashboard 6-2, pour moulded coal into coking chamber 1, moulded coal is by sliding, tile from focusing on coking chamber 1 inclined end face, and the flue dust of generation is extracted into vertical gas pass 8 perfect combustions by smoke of gunpowder road 6-1, and the realization smoke of gunpowder is coaling.After having adorned coal, close coaling fire door 10 and smoke of gunpowder control flashboard 6-2.Moulded coal is dry distillation charring in coking chamber 1, and the raw gas that produces in the retort process enters bottom combustion chamber 2 by downdraf hole 3 through flue 4, and combustion air enters flue 4 from combustion air road 5 simultaneously.Raw gas is 2 perfect combustions in the combustion chamber, by 1 end of coking chamber brick heat are delivered to coking chamber 1, the needed heat of moulded coal destructive distillation is provided after, be discharged to the stove external flue through converging flue 7, vertical gas pass 8, horizontal flue 9.
Moulded coal is opened out coke oven door through after the dry distillation charring maturation of one-period, and sophisticated red heat formed coke gravity flow is come out of the stove.
Be provided with 1 to 3 wind distributing hole 5-2 (Figure 11) at the coking chamber top, wind distributing hole 5-2 is provided with and regulates flashboard 5-1, by regulating the aperture of flashboard, allocates a spot of air into.Its effect has two: one, allows coal gas in the burning of coking chamber headspace, realizes the two-way heating charing up and down to formed coke, improves charing rate, shortens coking time; The 2nd, when the coal gas that is produced in carbonization process was not enough, burning minute quantity moulded coal provided formed coke sophisticated heat.
Coaling fire door and go out coke oven door and adopt graphitic cast iron ZT150 material to make lined ceramics fiber heat-stable material.Have characteristics such as in light weight, high insulating effect, can effectively stop the heat lost by radiation of heat from fire door.
Firedoor frame adopts spheroidal graphite cast iron QT500 material to make.
See Fig. 1, in the middle of every two adjacent stove burners, a furnace stay 12 is arranged, the side of coalingging and discharge of the coke and establish each one in the vertical tie rod in top and middle part between the wing furnace post; Furnace roof has 2 to 3 of horizontal braces.Tie rod 15 two ends are provided with spring 16, the expansion of control body of heater.
See Fig. 2, on fire door, divide into the horizontal frame 13 that draws and link to each other, make to form skeleton construction between the furnace stay, guaranteed the stability of body of heater with furnace stay 12.Furnace stay 12 and horizontally draw frame 13 to adopt channel-section steels to make and be aided with the stiffening plate structure.
Claims (6)
1. external-heat wedged bottom charing coke oven, every group of coke oven is made up of one or more single hole stove, each single hole stove comprises coking chamber, combustion chamber, the fire door of coalingging, go out coke oven door, air distribution device, flue, it is characterized in that, described coking chamber bottom is an incline structure, and side to the side direction of the discharging of the coke has a down dip by coalingging; The coking chamber vault is 180 ° of semicircle vaults, builds by laying bricks or stones with the identical notch cuttype that carries out of vergence direction of coking chamber.
2. a kind of external-heat wedged bottom charing coke oven according to claim 1, it is characterized in that, described combustion chamber is positioned at that the coking chamber bottom is snakelike setting and is the boundary with the coking chamber medullary ray, is provided with barricade in the middle of the flue of both sides, and the trend of combustion chamber is parallel also for being obliquely installed bottom coking chamber.
3. a kind of external-heat wedged bottom charing coke oven according to claim 1 is characterized in that, the described fire door of coalingging is 90 ° or 120 ° of vaults with the door upper part of the discharging of the coke.
4. according to claim 1,2 or 3 described a kind of external-heat wedged bottom charing coke ovens, it is characterized in that described to go out coke oven door be identical width with coking chamber, is unobstructed construction.
5. a kind of external-heat wedged bottom charing coke oven according to claim 1 is characterized in that every section stagewise width of described coking chamber vault is 300-750mm.
6. a kind of external-heat wedged bottom charing coke oven according to claim 1, it is characterized in that, the described fire door both sides of coalingging are provided with the smoke prevention and dust control mechanism of coalingging, the smoke of gunpowder dedusting mechanism of coalingging is made up of smoke of gunpowder road and control flashboard, the control flashboard is installed on the smoke of gunpowder road, top, smoke of gunpowder road is connected with coking chamber, and the bottom is connected with vertical gas pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200160433U CN201442914U (en) | 2009-07-31 | 2009-07-31 | Externally-heated heel tap charing coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200160433U CN201442914U (en) | 2009-07-31 | 2009-07-31 | Externally-heated heel tap charing coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201442914U true CN201442914U (en) | 2010-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200160433U Expired - Fee Related CN201442914U (en) | 2009-07-31 | 2009-07-31 | Externally-heated heel tap charing coke oven |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074090A (en) * | 2011-10-25 | 2013-05-01 | 山西沁新能源集团股份有限公司 | Direction-changing quantitatively-adjustable air distribution sleeve at vault of clean heat recovery coke oven |
-
2009
- 2009-07-31 CN CN2009200160433U patent/CN201442914U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074090A (en) * | 2011-10-25 | 2013-05-01 | 山西沁新能源集团股份有限公司 | Direction-changing quantitatively-adjustable air distribution sleeve at vault of clean heat recovery coke oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20180731 |