CN109233872A - A kind of factory's coke dry quenching furnace and dry coke quenching system - Google Patents
A kind of factory's coke dry quenching furnace and dry coke quenching system Download PDFInfo
- Publication number
- CN109233872A CN109233872A CN201811334036.8A CN201811334036A CN109233872A CN 109233872 A CN109233872 A CN 109233872A CN 201811334036 A CN201811334036 A CN 201811334036A CN 109233872 A CN109233872 A CN 109233872A
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- CN
- China
- Prior art keywords
- recyclegas
- coke
- room
- cooling chamber
- quenching furnace
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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.)
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Classifications
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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
- C10B39/00—Cooling or quenching coke
-
- 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
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
Abstract
The invention discloses a kind of factory's coke dry quenching furnace and dry coke quenching systems, it is the circulating cooling gas of semi-coke quenching that the present invention, which selects power-plant flue gas, after circulating cooling gas is passed through from the lower end of recyclegas cooling chamber, circulating cooling gas contacts in recyclegas cooling chamber with the red coke of downlink, circulating cooling gas continues the chute that uplink is opened up from recyclegas cooling chamber and enters annular air channel, circulating cooling gas into annular air channel takes away the heat of red coke, the circulating cooling gas of the much more popular burnt temperature of band is exported from recyclegas to be discharged, the high temperature circulation cooling air of discharge passes through heat sink, after heat is absorbed and utilized by heat sink, the temperature of circulating cooling gas is lowered, enter again from the lower end of recyclegas cooling chamber to red burnt cooling, so circulation, red burnt sensible heat can be recycled, the heat of absorption can be sent to heat sink again and carry out heat It recycles, economizes on resources, circulating cooling gas is power-plant flue gas, is recycled, and will not generate atmosphere pollution.
Description
Technical field
The invention belongs to semi-coke quenching fields, and in particular to a kind of factory's coke dry quenching furnace and dry coke quenching system.
Background technique
Quenching workshop section in China's semi-coke production at present mainly uses wet quenching or water mist quenching technology, i.e., is first put out with water
Go out red coke, then again dries coke, this is technically simple easy, but causes the wasting of resources and atmosphere pollution.
Summary of the invention
For the prior art, the present invention provides a kind of factory's coke dry quenching furnace and dry coke quenching systems, utilize coke dry quenching furnace
To red burnt progress quenching, red burnt sensible heat can be recycled, is economized on resources, and atmosphere pollution will not be generated.
To solve the above problems, the present invention is achieved by following scheme:
A kind of factory's coke dry quenching furnace, including room, annular air channel and recyclegas cooling chamber are prestored, it is described to prestore room and circulation
Gas cooling chamber is cavity structure；The upper end of recyclegas cooling chamber is fixedly connected with the lower end for prestoring room；The annular gas
Road is circumferentially arranged along the outer wall for prestoring room, and annular air channel is connected to by chute with recyclegas cooling chamber, is opened up on annular air channel
Have the recyclegas outlet connecting for the input terminal with heat sink, be additionally provided on coke dry quenching furnace for heat sink
The recyclegas entrance of output end connection.
Further, the lower end of the recyclegas cooling chamber is fixedly connected with circulation gas distribution room, the circulating air
Body distributing chamber is cavity structure, and the recyclegas entrance is provided on the side wall of circulation gas distribution room.
Further, the recyclegas outlet is provided with disposable dust remover, and recyclegas entrance is provided with final dusting
Device.
Further, the chute is circumferentially uniformly arranged along circulation gas cooling chamber, and the height of chute is 2000mm, chute
Equidistantly be made of several chute support plates, each chute support plate with a thickness of 240mm.
Further, the lower end of the circulation gas distribution room is provided with coke discharging mouth.
Further, the upper end for prestoring room is fixedly connected with the lower end of furnace roof, and the upper end of the furnace roof is provided with furnace
Mouthful；For room and the recyclegas cooling chamber of prestoring for cylindrical structure, the internal diameter for prestoring room is greater than the internal diameter of recyclegas cooling chamber.
Further, the interior that prestores is provided with material-level detecting device and pressure-detecting device, recyclegas cooling chamber
It is inside provided with temperature sensor, pressure sensor, opens up manhole in recyclegas cooling chamber.
The outlet of a kind of dry coke quenching system, including coke dry quenching furnace, the fire door and cooling section of the coke dry quenching furnace connects, institute
The outlet of the entrance and retort section of stating cooling section connects, and the entrance of the retort section and the outlet of dryer section connect, the drying
Coal screen is arranged in the entrance top of section；Belt conveyer is set below the coke discharging mouth of the coke dry quenching furnace.
Further, control valve is provided between the fire door and cooling section, Flat Sluice is arranged in the outlet of the coke discharging mouth
Valve.
Compared with prior art, the present invention, which at least has the advantages that, of the invention prestores room and recyclegas is cold
But room is cavity structure, and the upper end of recyclegas cooling chamber is fixedly connected with the lower end for prestoring room, in recyclegas cooling chamber
Offer several chutes；It is circumferentially provided with annular air channel along the outer wall for prestoring room, and is provided with recyclegas on annular air channel and goes out
Mouthful, recyclegas outlet is connected to heat sink, and heat sink is connected to recyclegas cooling chamber, and chute is cooling by recyclegas
Room is connected to annular air channel.It designs through this structure, red burnt be sent into is prestored in room, the room of prestoring is for red burnt stable storage
The stabilization with circulating air temperature is deposited, recyclegas cooling chamber is the region that red coke is directly contacted with SAPMAC method gas.The present invention selects
Power-plant flue gas is the circulating cooling gas of semi-coke quenching, after circulating cooling gas is passed through from the lower end of recyclegas cooling chamber, circulation
Cooling air contacts in recyclegas cooling chamber with the red coke of downlink, and circulating cooling gas continues uplink from recyclegas cooling chamber
The chute opened up enters annular air channel, and the circulating cooling gas into annular air channel takes away most of heat of red coke, red coke
Temperature is down to 200 DEG C from 450 DEG C hereinafter, the circulating cooling gas with much more popular burnt temperature exports discharge, the height of discharge from recyclegas
Warm circulating cooling gas is by heat sink, and after heat is absorbed and utilized by heat sink, the temperature of circulating cooling gas is lowered, and from
The lower end of recyclegas cooling chamber enters to red burnt cooling, so recycles, and can recycle red burnt sensible heat, realize the cooling of red coke,
The heat of absorption can be sent to the recycling that heat sink carries out heat again, economized on resources, circulating cooling gas is power plant's cigarette
Gas recycles, and will not generate atmosphere pollution.Data show using coke dry quenching furnace of the present invention Dry Quenching Technology not
Only semi-coke quality can be made to be improved, yield is also improved.For Dry Quenching compared with wet quenching, red burnt energy per ton is water-saving
0.5t can recycle 45% red burnt sensible heat, improve coke crushing strength 4.66%, reduce wear-resistant strength 1.07%.
Further, the lower end of recyclegas cooling chamber of the invention is fixedly connected with circulation gas distribution room, circulating air
Body distributing chamber is cavity structure, and the side wall of circulation gas distribution room offers recyclegas entrance.Come out from heat sink
Circulating cooling gas enters circulation gas distribution room from recyclegas entrance, and being provided with for circulation gas distribution room is conducive to SAPMAC method
Gas is evenly distributed in the whole cross section of recyclegas cooling chamber, improves cooling efficiency.
Further, disposable dust remover, heat sink and circulating air are provided between recyclegas outlet and heat sink
Secondary filter is provided between body entrance.Disposable dust remover can be filtered out from the circulating cooling gas that annular air channel is discharged
Impurity avoids the heat absorption function of influencing heat sink；Secondary filter can filter out the circulating cooling come out from heat sink
Impurity in gas guarantees the degree of purity of circulating cooling gas, and then guarantees red coke not by the pollution of impurity.
Further, it prestores interior and is provided with material-level detecting device and pressure-detecting device, set in recyclegas cooling chamber
It is equipped with temperature sensor, pressure sensor and manhole.Setting in this way, can be with the quenching shape of real-time detection coke dry quenching furnace
Condition guarantees quenching process safety, reliable, efficiently progress.
Detailed description of the invention
Fig. 1 is coke dry quenching furnace structural schematic diagram；
Fig. 2 is the three-dimensional figure of coke dry quenching furnace structure；
Fig. 3 is improved semi-coke extinguishing technique flow chart.
In figure: 1- fire door；2- furnace roof；3- prestores room；4- annular air channel；The outlet of 5- recyclegas；6- chute；7- circulating air
Body cooling chamber；8- circulation gas distribution room；9- recyclegas entrance；10- coke discharging mouth.
Specific embodiment
With reference to the accompanying drawing and specific embodiment, detailed explanation is made to the present invention.
Referring to figs. 1 and 2, be factory's coke dry quenching furnace of the invention, including fire door 1, furnace roof 2, prestore room 3, annular
Air flue 4, recyclegas cooling chamber 7, circulation gas distribution room 8 and coke discharging mouth 10 prestore room 3, recyclegas cooling chamber 7 and circulation
Gas distributing chamber 8 is cavity structure, and prestoring room 3 and recyclegas cooling chamber 7 is cylindrical structure, circulation gas distribution room 8
For pyramidal structure.The upper end of recyclegas cooling chamber 7 is fixedly connected with the lower end for prestoring room 3, the lower end of recyclegas cooling chamber 7
It is fixedly connected with the upper end of circulation gas distribution room 8；The upper end for prestoring room 3 is fixedly connected with the lower end of furnace roof 2, furnace roof 2 it is upper
End is provided with fire door 1；The lower end of circulation gas distribution room 8 is provided with coke discharging mouth 10, and the side wall of circulation gas distribution room 8 offers
Recyclegas entrance 9.
It is circumferentially provided with annular air channel 4 along the outer wall for prestoring room 3, a recyclegas outlet is offered on annular air channel 4
5.Several chutes 6 are offered in recyclegas cooling chamber 7, chute 6 is circumferentially uniformly arranged along circulation gas cooling chamber 7, chute 6
Height be 2000mm, chute 6 is made of at equal intervals 28 chute support plates, each chute strut with a thickness of 240mm,
Recyclegas cooling chamber 7 is connected to by chute 6 with annular air channel 4.Recyclegas outlet 5 is connected by one end of pipeline and heat sink
It is logical, and disposable dust remover is provided between recyclegas outlet 5 and heat sink；The other end and recyclegas of heat sink
It is connected between entrance 9 by pipeline, and is provided with secondary filter between heat sink and recyclegas entrance 9.The present invention
In heat sink be boiler, from boiler come out circulating cooling gas from recyclegas entrance 9 enter circulation gas distribution room 8,
Being provided with for circulation gas distribution room 8 is conducive to be evenly distributed in SAPMAC method gas in the whole cross section of recyclegas cooling chamber 7,
Improve cooling efficiency.Recyclegas outlet 5 and heat sink between be provided with disposable dust remover and heat sink with follow
The benefit that secondary filter is provided between ring gas access 9 is: disposable dust remover can be filtered out to be discharged from annular air channel 4
Impurity in circulating cooling gas avoids the normal work for influencing boiler；Secondary filter can be filtered out to follow from what boiler came out
Impurity in ring cooling air guarantees the degree of purity of circulating cooling gas, and then guarantees red coke in cooling procedure not by the dirt of impurity
Dye.In addition, guaranteeing quenching process safety, reliable, efficiently progress, pre- for the quenching situation of real-time detection coke dry quenching furnace
It deposits in room 3 and is additionally provided with material-level detecting device and pressure-detecting device, be additionally provided with temperature sensing in recyclegas cooling chamber 7
Device, pressure sensor and manhole.
In the present embodiment, coke dry quenching furnace is multistage cylinder, and shell steel plate materials select Q235-A, and refractory brick is liner material
Material.The characteristics of Dry Quenching is the sensible heat for recycling red coke, and the sensible heat for red coke of coming out of the stove accounts for about the 35%-40% of coking energy consumption, by this
Partial energy regenerating simultaneously makes full use of and can substantially reduce production cost, plays energy-saving effect.It can be by the temperature of red coke
200 DEG C or less are down to from 450 DEG C.The volume for prestoring room 3 is designed as 100m3, diameter 5000mm, prestores the high 5093mm in room, the portion
Divide for the red burnt stabilization for stablizing storage with circulating cooling gas temperature.The volume of recyclegas cooling chamber 7 is designed as 250m3,
Diameter takes 8000mm, is highly 4974mm, this part is the red burnt and direct contact area of SAPMAC method gas.Annular air channel 4 is arrangement
It is used to export in circulating cooling gas disposable dust remover on the outside of room 3 prestoring, the lower part of annular air channel 4 is chute, with circulating air
Body cooling chamber 7 is connected to；4 internal diameter of annular air channel of the design takes 8000mm, and it is highly 4568mm that outer diameter, which takes 12000mm,.The design
Circulation gas distribution room 8 be taper, coke discharging mouth 10 is arranged in lower part, and the maximum gauge of circulation gas distribution room 8 takes 8000mm, high
Degree takes 4000mm, and the diameter of coke discharging mouth 10 takes 3500mm, and the effect of circulation gas distribution room 8 is uniformly to divide circulating cooling gas
Cloth is in the whole cross section of recyclegas cooling chamber 7.
Coke dry quenching furnace is applied in quenching system, connection structure are as follows: the outlet of the fire door 1 and cooling section of coke dry quenching furnace
Connection is provided with control valve between fire door 1 and cooling section, the entrance of cooling section and the outlet of retort section connect, and retort section enters
Mouth is connect with the outlet of dryer section, and coal screen is arranged in the entrance top of dryer section；Skin is set below the coke discharging mouth 10 of coke dry quenching furnace
Flat gate valve is arranged in the outlet of band transporter, coke discharging mouth 10.
It is illustrated in figure 3 the process flow chart of the quenching system with coke dry quenching furnace of improved semi-coke quenching, it is overall
It is divided into four sections: dryer section, retort section, cooling section and dry coke quenching section.Coke dry quenching furnace of the invention is applied the of process flow
Four sections, i.e. dry coke quenching section.
Specifically, the process flow in four stages are as follows:
1, in dryer section, after coal degree of drying reaches combustion standard, gate is opened, dry coal is made to fall to destructive distillation
Section, controls the production capacity of stove, prevents retort section gas from going upward to dryer section.
2, the coal after dry drops down onto retort section and burns, and coal gas and air is made to burn in quirk, generate raw gas from
Pipeline is sent out above furnace.
3, coal is heated to 500 DEG C~650 DEG C, red burnt by ram after full combustion, goes downwards to cooling section progress
Water cooling radiation heat transfer makes the temperature of red coke be reduced to 400 DEG C or so, a large amount of vapor of generation, by blower and waste heat boiler,
Into power plants generating electricity.
4, after cooling section is cooling, control valve is opened, falls on coal down in the dry coke quenching storehouse of dry coke quenching section completely, close control
Valve processed.Dry coke quenching is carried out by power plant cycle flue gas, the temperature of coke and quality is made to reach criterion of acceptability, the high temperature circulation of generation
Gas is again introduced into the recycling of power plant's flue by extraction duct.
5, last coke is fallen on belt conveyer under coke discharging mouth 10, is fallen into coke bin.
Claims (9)
1. a kind of factory's coke dry quenching furnace, it is characterised in that: including prestoring room (3), annular air channel (4) and recyclegas cooling chamber
(7), the room (3) and recyclegas cooling chamber (7) of prestoring is cavity structure；The upper end of recyclegas cooling chamber (7) and pre-
The lower end for depositing room (3) is fixedly connected；The annular air channel (4) is circumferentially arranged along the outer wall for prestoring room (3), annular air channel (4) with
Recyclegas cooling chamber (7) is connected to by chute (6), is offered on annular air channel (4) for connecting with the input terminal of heat sink
The recyclegas connect exports (5), is additionally provided with the recyclegas connecting for the output end with heat sink on coke dry quenching furnace and enters
Mouth (9).
2. a kind of factory's coke dry quenching furnace according to claim 1, it is characterised in that: the recyclegas cooling chamber (7)
Lower end is fixedly connected with circulation gas distribution room (8), and the circulation gas distribution room (8) is cavity structure, the recyclegas
Entrance (9) is provided on the side wall of circulation gas distribution room (8).
3. a kind of factory's coke dry quenching furnace according to claim 1, it is characterised in that: recyclegas outlet (5) setting
Once deduster, recyclegas entrance (9) are provided with secondary filter.
4. a kind of factory's coke dry quenching furnace according to claim 1, it is characterised in that: the chute (6) is cold along recyclegas
But room (7) are circumferentially uniformly arranged, and the height of chute (6) is 2000mm, and chute (6) is by several equidistant structures of chute support plate
At, each chute support plate with a thickness of 240mm.
5. a kind of factory's coke dry quenching furnace according to claim 2, it is characterised in that: the circulation gas distribution room (8)
Lower end is provided with coke discharging mouth (10).
6. a kind of factory's coke dry quenching furnace according to claim 5, it is characterised in that: the upper end for prestoring room (3) and furnace
The lower end on top (2) is fixedly connected, and the upper end of the furnace roof (2) is provided with fire door (1)；It is described to prestore room (3) and recyclegas is cold
But room (7) are cylindrical structure, and the internal diameter for prestoring room (3) is greater than the internal diameter of recyclegas cooling chamber (7).
7. a kind of factory's coke dry quenching furnace described in any one according to claim 1~6, it is characterised in that: described to prestore room (3)
It is inside provided with material-level detecting device and pressure-detecting device, temperature sensor is provided in recyclegas cooling chamber (7), pressure passes
Sensor, recyclegas cooling chamber open up manhole on (7).
8. a kind of dry coke quenching system, it is characterised in that: described including coke dry quenching furnace described in claim 1~7 any one
The fire door (1) of coke dry quenching furnace is connect with the outlet of cooling section, and the entrance of the cooling section and the outlet of retort section connect, described dry
The outlet of the entrance and dryer section that evaporate section connects, and coal screen is arranged in the entrance top of the dryer section；The row of the coke dry quenching furnace
Belt conveyer is set below Jiao Kou (10).
9. a kind of dry coke quenching system according to claim 8, it is characterised in that: between the fire door (1) and cooling section
It is provided with control valve, flat gate valve is arranged in the outlet of the coke discharging mouth (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334036.8A CN109233872A (en) | 2018-11-09 | 2018-11-09 | A kind of factory's coke dry quenching furnace and dry coke quenching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334036.8A CN109233872A (en) | 2018-11-09 | 2018-11-09 | A kind of factory's coke dry quenching furnace and dry coke quenching system |
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|---|---|
| CN109233872A true CN109233872A (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334036.8A Pending CN109233872A (en) | 2018-11-09 | 2018-11-09 | A kind of factory's coke dry quenching furnace and dry coke quenching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736697A (en) * | 2022-04-13 | 2022-07-12 | 山东四化环保节能工程有限公司 | Heating method of dry quenching furnace |
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| JP2014055261A (en) * | 2012-09-13 | 2014-03-27 | Nippon Steel & Sumikin Engineering Co Ltd | Coke dry-quenching facility |
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| CN106929038A (en) * | 2017-02-16 | 2017-07-07 | 宣化钢铁集团有限责任公司 | A kind of method for carrying out baker using red Jiao to dry coke quenching auxiliary |
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| CN206680437U (en) * | 2017-04-01 | 2017-11-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke dry quenching furnace with new exhaust structure |
| CN108587656A (en) * | 2018-07-03 | 2018-09-28 | 山东钢铁股份有限公司 | A kind of dry coke quenching circulatory system and nitrogen charging replacing process |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10298554A (en) * | 1997-04-28 | 1998-11-10 | Nippon Steel Corp | Coke dry-quenching equipment |
| JP2001192662A (en) * | 2000-01-07 | 2001-07-17 | Nippon Steel Corp | Coke dry quenching facility |
| CN202226812U (en) * | 2011-08-15 | 2012-05-23 | 北京华泰焦化工程技术有限公司 | Coke dry quenching device adopting cyclone dust extractor as primary dust remover |
| CN102786962A (en) * | 2012-08-27 | 2012-11-21 | 山西星宇舟焦化工程设计有限公司 | Chemical quenching device, quenching medium and quenching process thereof |
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| CN206580775U (en) * | 2017-01-04 | 2017-10-24 | 武汉中宇立方工程材料有限公司 | A kind of new coking coke dry quenching furnace structure |
| CN106929038A (en) * | 2017-02-16 | 2017-07-07 | 宣化钢铁集团有限责任公司 | A kind of method for carrying out baker using red Jiao to dry coke quenching auxiliary |
| CN206680437U (en) * | 2017-04-01 | 2017-11-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke dry quenching furnace with new exhaust structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736697A (en) * | 2022-04-13 | 2022-07-12 | 山东四化环保节能工程有限公司 | Heating method of dry quenching furnace |
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Application publication date: 20190118 |