CN2675675Y - Cleaning type heat reclamation multifunctional coking furnace - Google Patents
Cleaning type heat reclamation multifunctional coking furnace Download PDFInfo
- Publication number
- CN2675675Y CN2675675Y CNU2004200157762U CN200420015776U CN2675675Y CN 2675675 Y CN2675675 Y CN 2675675Y CN U2004200157762 U CNU2004200157762 U CN U2004200157762U CN 200420015776 U CN200420015776 U CN 200420015776U CN 2675675 Y CN2675675 Y CN 2675675Y
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- China
- Prior art keywords
- quirk
- coking
- joint
- brick
- refractory
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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
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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
- C10B15/00—Other coke ovens
- C10B15/02—Other coke ovens with floor heating
Abstract
The utility model relates to a cleaning type heat reclamation multifunctional coking furnace, belonging to a cleaning type heat reclamation combined coking furnace suitable for heat loading and heat unloading continuous coking method or cold loading and cold unloading discontinuous coking method. The cleaning type heat reclamation multifunctional coking furnace mainly solves the technical difficulty that the existing heat reclamation coke furnaces have many types of building bricks, complicated structures, short service life and large production rigidity and weak links are easy to damage. For solving the technical difficulty, the cleaning type heat reclamation multifunctional coking furnace adopts the technical proposal as follows: the coking furnace at least comprises a set of furnace body composed of a plurality of carbonization chambers in parallel connection, side furnace walls, vertical flame paths, reverse flame holes, one-time primary air inlets and a control valve, wherein, the coking furnace also comprises multi-linked lower flame paths, secondary air intake ducts, tertiary air inlets and a combined furnace door. The multi-linked lower flame paths are arranged at the bottom of the carbonization chambers, the lower ends of the vertical flame paths are connected with the multi-linked lower flame paths, the secondary air intake ducts are arranged in the side furnace walls of the carbonization chambers and the lower ends of the secondary air intake ducts are connected with the multi-linked lower flame paths, and the smoke outlets of the multi-linked lower flame paths are connected with a main flue.
Description
Technical field
The utility model relates to the multi-functional pit kiln of a kind of clean recovery of heat, and it belongs to a kind of hot charging heat that can be applicable to and goes out the cold integrative cokery that goes out the clean recovery of heat of discontinuous coking process of continous way coking or cold charge.
Background technology
Current China coking enterprise all adopts traditional horizontal-chamber type cokery.Mainly there are four aspect problems in this coke oven: the one, and seriously polluted.Because adopt positive pressure operation, coke oven pollutent uncontrollable discharge amount is big, and production process adopts the old way of pollutent afterbody improvement.Along with the environmental requirement increasingly stringent, its pollution abatement costs is unprecedented soaring, even and roll up the also inaccessible emission request of pollution abatement costs.The 2nd, the production rigidity is big.In case go into operation, or else can blowing out, be difficult to meeting the market requirement and sharply change.The 3rd, investment is high.The 4th, the coking feed coal is strict, and optionally scope is little, and resource is restricted.For addressing the above problem, develop heat recovery coke oven abroad in the 1980s, its negative-pressure operation, fully all decompose by burning in combustion chamber, coking chamber top and bottom quirk for the organism that retort process produces (comprising serious system cancer goods and materials such as similar benzopyrene), thereby realize cleaner production.China also develops two kinds of heat recovery coke ovens in nineteen nineties, and promptly cold charge is cold goes out to go out two kinds with hot charging heat.Solved the coking pollution problem preferably.But all there is the unreasonable structure of weak links such as furnace roof, fire channel, following quirk in they, are easy to damage, and make the coke oven maintenance capacity big, and the life-span is short, builds shortcomings such as the brick type is many by laying bricks or stones.The problem that wherein coke oven that goes out of hot charging heat and the same existence of traditional cokery can not blowing outs, the production rigidity is big.
Summary of the invention
The purpose of this utility model be solve building by laying bricks or stones that existing heat recovery coke oven exists the brick type be many, complex structure, weak link is fragile, the life-span is short and the production rigidity is big technological difficulties and provide that a kind of rational in infrastructure, long service life, raw material coal wide ranges, environment protecting are good, reasonable energy utilization, production elasticity and handiness greatly, adaptation many kinds coke production and invest the low multi-functional pit kiln of clean recovery of heat.
For realizing above-mentioned task, the technical solution adopted in the utility model is: the multi-functional pit kiln of clean recovery of heat, it comprises at least one group of body of heater that is formed in parallel by a plurality of coking chambers, between two coking chambers, be provided with the wing furnace wall, in the wing furnace wall, be provided with perpendicular quirk, the upper end of perpendicular quirk is provided with the downdraf mouth, coking chamber arch form furnace roof is provided with primary air inlet mouth and control valve, wherein: it also comprises multi-joint quirk down, the secondary air uptake, tertiary air air inlet port and built-up type fire door, multi-joint quirk down is located at the bottom of coking chamber, the lower end of perpendicular quirk is connected with multi-joint quirk down, the secondary air uptake is located in the wing furnace wall of coking chamber and its lower end is connected with multi-joint quirk down, the multi-joint smoke outlet of quirk down is connected with flue collector, the tertiary air air inlet port be located at multi-joint down quirk before, in the back furnace wall, the built-up type fire door is located at the front of coking chamber.
Any one in arch form top or the flat wedge type top can be adopted in the described multi-joint top of quirk down; The arch form top adopts arch form refractory brick to constitute; Flat wedge type top adopts trapezoidal refractory brick to constitute.
Described multi-joint down quirk can adopt in 3 N shapes, 4 C-C shapes, 5 M shapes and the 6 S shape combustion gas trend any one according to the width of coking chamber.
Described built-up type fire door is two-part or syllogic; The built-up type fire door is by inside and outside two-layer the composition, and internal layer is made by fire-resistant heat insulating material, and skin is made by steel plate.
Described downdraf mouth is made of flat-top wedge shape refractory brick and refractory fireclay block, and refractory fireclay block is located at the both sides of downdraf mouth, and top and wedge that flat-top wedge shape refractory brick is located at the downdraf mouth are inserted on the refractory fireclay block.
Quirk was made up of refractory fireclay block, fire-resistant special shaped brick and trapezoidal refractory brick under described flat wedge type joined at most, refractory fireclay block is located at the both sides and the bottom of quirk, fire-resistant special shaped brick is located at the top of quirk both sides refractory fireclay block, and trapezoidal refractory brick is located at the top of quirk and overlaps mutually with fire-resistant special shaped brick.
The utility model adopts when cold charge is cold to go out coke making process, in the junction of coking chamber wing furnace wall and arch form furnace roof several is set and ignites, and is provided with the flashboard of igniting at the middle part of igniting.
The utility model can also be provided with the heavy-load bearing brick post in the wing furnace wall, this heavy-load bearing brick post can be used as pillar stiffener that pushes up coaling gear when coalingging or the pillar stiffener of making the flue collector support when flue collector is located at furnace roof.
Because the utility model has adopted technique scheme, therefore compare with background technology, have following characteristics:
1, the utility model is provided with the primary air air inlet port at furnace roof, and coal gas is more fully burnt in the combustion chamber; At following quirk secondary air uptake and tertiary air air inlet port are set, coal gas that part do not fall in combustion chambers burn is not fully burned totally at quirk down, and make the flue gas of discharge not have the content of coal gas, reduction environmental pollution.
2, the utility model adopts the built-up type fire door, and help production operation and satisfy environmental requirement, and flexible and convenient to use.
3, arch form top or flat wedge type top are adopted in multi-joint quirk top down of the present utility model, can strengthen the intensity of quirk down, the work-ing life of improving coke oven; Adopt 3 N shapes, 4 C-C shapes, 5 M shapes and 6 S shape combustion gas trend, can make gas-fired fully and can increase gas residence time and improve the efficiency of dust collection of flue gas, reduce environmental pollution and can adapt to different production-scale needs.
4, the utility model uses refractory fireclay block to be built into, and has reduced brickwork brick type, and can be applicable to that hot charging heat goes out that continous way coking or cold charge are cold to go out the discontinuous coking process.
The utility model has the advantages that:
1, can be different with the feed coal ature of coal according to industrial scale, range of product, be applicable to that hot charging heat goes out that continous way coking or cold charge are cold to go out the discontinuous coking process.
2, destructive distillation fully, produce that burnt rate height, environment protecting are good, simple and reasonable, long service life and investment be low.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the I portion enlarged view among Fig. 1;
Fig. 3 is the A-A sectional view among Fig. 1;
Fig. 4 is the structural representation of the multi-joint trend of quirk 3 N shape combustion gas down;
Fig. 5 is the structural representation of the multi-joint trend of quirk 4 C-C shape combustion gas down;
Fig. 6 is the structural representation of the multi-joint trend of quirk 5 M shape combustion gas down;
Fig. 7 is the structural representation of the both multi-joint down quirk 6 S shape combustion gas trend of the B-B sectional view among Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 7, the multi-functional pit kiln of clean recovery of heat in this embodiment, it comprises two groups of bodies of heater that are formed in parallel by a plurality of coking chambers 1, the width of coking chamber is 3 meters, be provided with combustion chamber 2 on the top of coking chamber 1, between two coking chambers 1, be provided with wing furnace wall 12, in wing furnace wall 12, be provided with perpendicular quirk 5, the upper end of perpendicular quirk 5 is provided with downdraf mouth 6, coking chamber arch form furnace roof 9 is provided with primary air inlet mouth 3 and control valve 4, and wherein: it also comprises multi-joint quirk 17 down, secondary air uptake 7, tertiary air air inlet port 16 and built-up type fire door 14.Multi-joint quirk down 17 adopts flat wedge type top, quirk 17 was made up of refractory fireclay block 18, fire-resistant special shaped brick 19 and trapezoidal refractory brick 20 under flat wedge type joined at most, refractory fireclay block 18 is located at down the both sides and the bottom of quirk 17, fire-resistant special shaped brick 19 is located at down the top of quirk both sides refractory fireclay block 18, and trapezoidal refractory brick 20 is located at down the top of quirk 17 and overlaps mutually with fire-resistant special shaped brick 19; Multi-joint quirk 17 down adopts 6 S shape combustion gas trend according to the width of coking chamber; Multi-joint quirk 17 down is located at the bottom of coking chamber 1, the lower end of perpendicular quirk 5 is connected with multi-joint quirk 17 down, secondary air uptake 7 is located in the wing furnace wall 12 of coking chamber and its lower end is connected with multi-joint quirk 17 down, and the inlet mouth of secondary air uptake 7 is provided with variable valve 8; The multi-joint smoke outlet 15 of quirk down is connected with flue collector, and tertiary air air inlet port 16 is located in the forward and backward furnace wall of multi-joint quirk down; Built-up type fire door 14 adopts two-section type, and two-section type built-up type fire door 14 is by inside and outside two-layer the composition, and internal layer is made by fire-resistant heat insulating material, and skin is made by steel plate; Built-up type fire door 14 is located at the front of coking chamber 1 by stove frame 13.Above-mentioned downdraf mouth 6 is made of flat-top wedge shape refractory brick 21 and refractory fireclay block 18, and refractory fireclay block 18 is located at the both sides of downdraf mouth 6, and top and wedge that flat-top wedge shape refractory brick 21 is located at downdraf mouth 6 are inserted on the refractory fireclay block 18.Can also be provided with heavy-load bearing brick post 22 in wing furnace wall 12, this heavy-load bearing brick post 22 can be used as pillar stiffener that pushes up coaling gear when coalingging or the pillar stiffener of making the flue collector support when flue collector is located at furnace roof.The both sides of this pit kiln body of heater are provided with resistance wall 23.The high-temperature flue gas that coke oven produced in the present embodiment links to each other with waste heat boiler through flue collector and directly uses or the realization energy recovery that is used for generating electricity with recovered steam.When this pit kiln adopts that cold charge is cold to go out coke making process, in the junction of coking chamber wing furnace wall 12 and arch form furnace roof 9 several are set and ignite 10,10 middle part is provided with the flashboard 11 of igniting igniting.
The width of the coking chamber 1 in the foregoing description can also be selected between 1.8～4 meters.The height of coalingging is selected between 1-1.8 rice.
The arch form top also can be adopted in the multi-joint top of quirk 17 down in the foregoing description; The arch form top adopts arch form refractory brick to constitute.
As Fig. 4, Fig. 5 and shown in Figure 6, the multi-joint down quirk 17 in the foregoing description can also adopt in 3 N shapes, 4 C-C shapes and the 5 M shape combustion gas trend any one according to the width of coking chamber.
Built-up type fire door 14 in the foregoing description can also be syllogic; The built-up type fire door is by inside and outside two-layer the composition, and internal layer is made by fire-resistant heat insulating material, and skin is made by steel plate.
Claims (8)
1, the multi-functional pit kiln of a kind of clean recovery of heat, it comprises at least one group of body of heater that is formed in parallel by a plurality of coking chambers, between two coking chambers, be provided with the wing furnace wall, in the wing furnace wall, be provided with perpendicular quirk, the upper end of perpendicular quirk is provided with the downdraf mouth, coking chamber arch form furnace roof is provided with primary air inlet mouth and control valve, it is characterized in that: further comprising multi-joint quirk down, the secondary air uptake, tertiary air air inlet port and built-up type fire door, multi-joint quirk down is located at the bottom of coking chamber, the lower end of perpendicular quirk is connected with multi-joint quirk down, the secondary air uptake is located in the wing furnace wall of coking chamber and its lower end is connected with multi-joint quirk down, the multi-joint smoke outlet of quirk down is connected with flue collector, the tertiary air air inlet port be located at multi-joint down quirk before, in the back furnace wall, the built-up type fire door is located at the front of coking chamber.
2, the multi-functional pit kiln of a kind of clean recovery of heat according to claim 1 is characterized in that: any one in arch form top or the flat wedge type top can be adopted in the described multi-joint top of quirk down; The arch form top adopts arch form refractory brick to constitute; Flat wedge type top adopts trapezoidal refractory brick to constitute.
3, the multi-functional pit kiln of a kind of clean recovery of heat according to claim 1 is characterized in that: described multi-joint down quirk can adopt in 3 N shapes, 4 C-C shapes, 5 M shapes and the 6 S shape combustion gas trend any one according to the width of coking chamber.
4, the multi-functional pit kiln of a kind of clean recovery of heat according to claim 1, it is characterized in that: described built-up type fire door is two-part or syllogic; The built-up type fire door is by inside and outside two-layer the composition, and internal layer is made by fire-resistant heat insulating material, and skin is made by steel plate.
5, the multi-functional pit kiln of a kind of clean recovery of heat according to claim 1, it is characterized in that: described downdraf mouth is made of flat-top wedge shape refractory brick and refractory fireclay block, refractory fireclay block is located at the both sides of downdraf mouth, and top and wedge that flat-top wedge shape refractory brick is located at the downdraf mouth are inserted on the refractory fireclay block.
6, the multi-functional pit kiln of a kind of clean recovery of heat according to claim 1 and 2, it is characterized in that: quirk was made up of refractory fireclay block, fire-resistant special shaped brick and trapezoidal refractory brick under described flat wedge type joined at most, refractory fireclay block is located at the both sides and the bottom of quirk, fire-resistant special shaped brick is located at the top of quirk both sides refractory fireclay block, and trapezoidal refractory brick is located at the top of quirk and overlaps mutually with fire-resistant special shaped brick.
7, the multi-functional pit kiln of a kind of clean recovery of heat according to claim 1 is characterized in that: adopt when cold charge is cold to go out coke making process, in the junction of coking chamber wing furnace wall and arch form furnace roof several are set and ignite, be provided with the flashboard of igniting at the middle part of igniting.
8, the multi-functional pit kiln of a kind of clean recovery of heat according to claim 1, it is characterized in that: be provided with the heavy-load bearing brick post in the wing furnace wall, this heavy-load bearing brick post can be used as pillar stiffener that pushes up coaling gear when coalingging or the pillar stiffener of making the flue collector support when flue collector is located at furnace roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200157762U CN2675675Y (en) | 2004-02-17 | 2004-02-17 | Cleaning type heat reclamation multifunctional coking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200157762U CN2675675Y (en) | 2004-02-17 | 2004-02-17 | Cleaning type heat reclamation multifunctional coking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2675675Y true CN2675675Y (en) | 2005-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200157762U Expired - Fee Related CN2675675Y (en) | 2004-02-17 | 2004-02-17 | Cleaning type heat reclamation multifunctional coking furnace |
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| CN (1) | CN2675675Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101842463A (en) * | 2007-09-07 | 2010-09-22 | 犹德有限公司 | Apparatus for feeding combustion air or gases influencing the coking process into the top zone of coke ovens |
| CN102348781A (en) * | 2009-03-11 | 2012-02-08 | 犹德有限公司 | Device and method for dosing or shutting off primary combustion air in the primary heating room of horizontal coke-oven chambers |
| CN101189319B (en) * | 2005-06-03 | 2013-02-13 | 蒂森克虏伯伍德有限公司 | Feeding of combustion air for coking ovens |
| CN102046755B (en) * | 2008-05-27 | 2014-12-31 | 蒂森克虏伯伍德有限公司 | Apparatus for the directed introduction of primary combustion air into the gas space of a coke-oven battery |
| CN108300499A (en) * | 2018-03-26 | 2018-07-20 | 北京三聚绿能科技有限公司 | A kind of joint production process of biomass carbon |
| CN109437199A (en) * | 2018-11-26 | 2019-03-08 | 玉山县三清活性炭有限公司 | Carbonizing apparatus, production equipment and production method for activated carbon of phosphoric acid method production |
-
2004
- 2004-02-17 CN CNU2004200157762U patent/CN2675675Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189319B (en) * | 2005-06-03 | 2013-02-13 | 蒂森克虏伯伍德有限公司 | Feeding of combustion air for coking ovens |
| CN101842463A (en) * | 2007-09-07 | 2010-09-22 | 犹德有限公司 | Apparatus for feeding combustion air or gases influencing the coking process into the top zone of coke ovens |
| CN101842463B (en) * | 2007-09-07 | 2013-07-24 | 蒂森克虏伯伍德有限公司 | Apparatus for feeding combustion air or gases influencing the coking process into the top zone of coke ovens |
| CN102046755B (en) * | 2008-05-27 | 2014-12-31 | 蒂森克虏伯伍德有限公司 | Apparatus for the directed introduction of primary combustion air into the gas space of a coke-oven battery |
| CN102348781A (en) * | 2009-03-11 | 2012-02-08 | 犹德有限公司 | Device and method for dosing or shutting off primary combustion air in the primary heating room of horizontal coke-oven chambers |
| CN102348781B (en) * | 2009-03-11 | 2014-11-19 | 犹德有限公司 | Device and method for dosing or shutting off primary combustion air in the primary heating room of horizontal coke-oven chambers |
| CN108300499A (en) * | 2018-03-26 | 2018-07-20 | 北京三聚绿能科技有限公司 | A kind of joint production process of biomass carbon |
| CN109437199A (en) * | 2018-11-26 | 2019-03-08 | 玉山县三清活性炭有限公司 | Carbonizing apparatus, production equipment and production method for activated carbon of phosphoric acid method production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050202 Termination date: 20130217 |