CN105737542A - Coke storage-humidity regulating integrated device and coke humidity regulating method - Google Patents
Coke storage-humidity regulating integrated device and coke humidity regulating method Download PDFInfo
- Publication number
- CN105737542A CN105737542A CN201610265012.6A CN201610265012A CN105737542A CN 105737542 A CN105737542 A CN 105737542A CN 201610265012 A CN201610265012 A CN 201610265012A CN 105737542 A CN105737542 A CN 105737542A
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- coke
- air
- blast cap
- central authorities
- air channel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/063—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers for drying granular material in bulk, e.g. grain bins or silos with false floor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/006—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects the gas supply or exhaust being effected through hollow spaces or cores in the materials or objects, e.g. tubes, pipes, bottles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a coke storage-humidity regulating integrated device. The coke storage-humidity regulating integrated device is characterized in that a bin-bottom even air distributing device is arranged at a conical funnel at the bottom of a coke storage bin, and the bin-bottom even air distributing device comprises an upper air chamber, a lower air chamber, an annular air channel, a central air channel, a middle air channel, a central air cap and a middle air cap; the upper air chamber and the lower air chamber are independent and sealed annular air chambers, the wall, corresponding to the upper air chamber, of the conical funnel of the coke storage bin is provided with an annular gap to form the annular air channel; the lower air chamber is communicated with the central air cap through the central air channel and communicated with the middle air cap through the middle air channel, the middle air cap and the central air cap are vertically arranged on the central part of the coke storage bin from bottom to top; air supply pipes are respectively arranged outside the upper air chamber and the lower air chamber, and air regulating devices are respectively arranged on the air supply pipes. The coke storage-humidity regulating integrated device has the advantages that hot waste gas is evenly peripherally distributed in the coke storage bin, coke in the coke storage bin is evenly heated favorably, the coke at various points of the cross section of the coke storage bin evenly falls favorably, and moisture evenness and stability of the discharged coke are achieved.
Description
Technical field
The present invention relates to coke Storage Techniques field, particularly relate to a kind of coke storage damping integrated apparatus and the method utilizing process heat waste gas to realize coke damping on its basis.
Background technology
Coke as blast furnace ironmaking fuel and reducing agent, its product quality and directly affect ironmaking quality and benefits containing water stability.China, as coke production big country, produces amount of coke per year and is about 4.76 hundred million tons, and wherein 200,000,000 tons adopt CDQ, coke moisture 1%, and 2.76 hundred million tons adopt wet quenching, the moisture 4%-8% of coke.
During wet quenching, coke is directly entered blast furnace ironmaking without dry substantially.Owing to, when wet quenching coke moisture is too high or winter, coke froze, the coke powder sticking to coke surface not easily sifts out before State of Blast Furnace, after entering blast furnace with coke, worsens the breathability of blast furnace and then affects smooth operation of furnace.Coke water content height may result in blast furnace coke ratio increases (moisture often increases by 1% coke ratio and increases by 1.1～1.3%)；When water content is more than 4%, then stove dust quantity substantially rises, and smooth operation of furnace is deteriorated, and top temperature also can be caused low, cause dry method dust cloth bag to harden, process pipe blocking, degradation adverse consequences under blast furnace gas calorific value.
Existing coke drying means is hot waste gas to be passed directly into coke storage bunker bottom wet coke is dried, hot waste gas in coke bin random distribution bottom coke bin to coke bin top flow, coke from coke bin top to coke bin flows heat exchange.Because of its bottom coke bin without air-distribution device, hot blast, at coke bin peripheral direction skewness, causes coke bin surrounding coke uniformly not dry by Synchronous Heating, and heat drying efficiency is low, and coke bin outlet coke moisture fluctuation is big.
Summary of the invention
The invention provides a kind of coke storage damping integrated apparatus and coke moisture control method, at coke storage bunker bottom, even distributing wind device at the bottom of the storehouse of scalable air demand is set, utilize process heat waste gas and coke direct heat transfer, hot waste gas is uniformly distributed circumferentially in coke bunker, the uniform heating being advantageously implemented in storehouse coke, being conducive to the even drop down of each point coke on coke bunker transverse section, thus realization is delivered from godown, the uniform moisture of coke is stable simultaneously.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of coke storage damping integrated apparatus, including coke bunker, described coke bunker is provided with discharge device at the bottom of top, storehouse cloth air-lock device, storehouse top gas collecting apparatus and storehouse；Boring bucket place at coke storage bunker bottom and be additionally provided with even distributing wind device at the bottom of storehouse, even distributing wind device at the bottom of storehouse is made up of upper chamber, lower chamber, annular passage, central authorities air channel, air channel, middle part, central authorities' blast cap and middle part blast cap；Described upper chamber and lower chamber are ring-shaped air chamber that is separate and that close, the coke bunker cone headwall that upper chamber is corresponding offers annulus and constitutes annular passage；Lower chamber is respectively through air channel connection central authorities of central authorities blast cap, and by connection middle part, air channel, middle part blast cap, middle part blast cap and central authorities' blast cap are along high to being arranged at coke bunker centre from bottom to top；It is respectively equipped with for airduct outside upper chamber and lower chamber, for airduct sets volume adjusting apparatus respectively.
Described volume adjusting apparatus is electric rotating plate valve.
The diameter of described middle part blast cap is more than the diameter of central authorities' blast cap.
The quantity sum in air channel, described middle part and central authorities air channel is 3-8.
The coke moisture control method of damping integrated apparatus is stored based on a kind of coke, including:
1) adopting the Low Temperature Thermal waste gas of sintering circular-cooler Low Temperature Thermal waste gas or blast funnace hot blast stove as dry source of the gas, Low Temperature Thermal waste gas introduces in upper chamber for airduct from upper chamber, is dried to the coke in middle STRENGTH ON COKE bunker by periphery by annular passage；
2) Low Temperature Thermal waste gas introduces in lower chamber for airduct from lower chamber, and a part of Low Temperature Thermal waste gas arrives middle part blast cap by air channel, middle part, is dried by the coke in middle part to the periphery STRENGTH ON COKE bunker by middle part blast cap；Another part Low Temperature Thermal waste gas arrives central authorities' blast cap by central authorities air channel, is dried by the coke in the STRENGTH ON COKE bunker of mediad periphery by central authorities' blast cap；
3) can being regulated the air quantity of the Low Temperature Thermal waste gas entered in upper chamber and lower chamber by volume adjusting apparatus, make Low Temperature Thermal waste gas be uniformly distributed circumferentially in coke bunker, STRENGTH ON COKE carries out uniform heating, drying, improves the uniformity of outlet coke moisture.
Compared with prior art, the invention has the beneficial effects as follows:
1) even distributing wind device at the bottom of storehouse adopts from circumferential annular air channel ecto-entad air feed, by central authorities' blast cap air feed from inside to outside, the air feed form that combined by the outside air feed in middle part by middle part blast cap, the hot waste gas effectively solving to enter in storehouse in coke bunker circumferentially be uniformly distributed problem, the uniform heating being advantageously implemented in storehouse coke, thus improving the uniformity of outlet coke moisture；
2) by the intake in each air channel of volume adjusting apparatus scalable, STRENGTH ON COKE moisture accurately controls；
2) owing to being provided with central authorities' blast cap, central authorities air channel, middle part blast cap and air channel, middle part, be conducive to improving the problem that coke bunker central authorities choke flow is fast, surrounding choke flow is slow, realize the even drop down of coke in storehouse, with dry, to reach coke storage and regulate the purpose of moisture simultaneously；
4) suitable in stokehold Jiao's groove of the coke bin of coke-oven plant and sieve coke bunker, iron-smelter, and the coke bunker etc. of calcium carbide factory, there is the advantages such as drying integrated, low, the energy-saving and environmental protection of flexible adjustment, reduced investment, operating cost of storage.
Accompanying drawing explanation
Fig. 1 is the structural representation of coke of the present invention storage damping integrated apparatus.
Fig. 2 is the partial structurtes schematic diagram of Fig. 1.
Fig. 3 is the A-A sectional view in Fig. 2.
Fig. 4 is the B-B sectional view in Fig. 2.
In figure: 1. blast cap 12. central authorities blast cap 13. volume adjusting apparatus in the middle part of central air channel 11., air channel 10. in the middle part of discharge device 6. upper chamber 7. lower chamber 8. annular passage 9. at the bottom of even distributing wind device 5. storehouse at the bottom of gas collecting apparatus 4. storehouse is pushed up in cloth air-lock device 3. storehouse, top, coke bunker 2. storehouse
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As Figure 1-Figure 4, a kind of coke storage damping integrated apparatus of the present invention, including coke bunker 1, described coke bunker 1 is provided with discharge device 5 at the bottom of top, storehouse cloth air-lock device 2, storehouse top gas collecting apparatus 3 and storehouse；Boring bucket place bottom coke bunker 1 and be additionally provided with even distributing wind device 4 at the bottom of storehouse, even distributing wind device 4 at the bottom of storehouse is made up of upper chamber 6, lower chamber 7, annular passage 8, central authorities air channel 10, air channel, middle part 9, central authorities' blast cap 12 and middle part blast cap 11；Described upper chamber 6 and lower chamber 7 are ring-shaped air chamber that is separate and that close, and the coke bunker 1 of upper chamber 6 correspondence is bored and offered annulus composition annular passage 8 on headwall；Lower chamber 7 connects central authorities' blast cap 12 respectively through central authorities air channel 10, and by connection middle part, air channel, middle part 9 blast cap 11, middle part blast cap 11 and central authorities' blast cap 12 are along height to being arranged at coke bunker 1 centre from bottom to top；It is respectively equipped with for airduct outside upper chamber 6 and lower chamber 7, for airduct sets volume adjusting apparatus 13 respectively.
Described volume adjusting apparatus 13 is electric rotating plate valve.
The diameter of described middle part blast cap 11 is more than the diameter of central authorities' blast cap 12.
The quantity sum in air channel, described middle part 9 and central authorities air channel 10 is 3-8.
The coke moisture control method of damping integrated apparatus is stored based on a kind of coke of the present invention, including:
1) adopting the Low Temperature Thermal waste gas of sintering circular-cooler Low Temperature Thermal waste gas or blast funnace hot blast stove as dry source of the gas, Low Temperature Thermal waste gas introduces in upper chamber 6 for airduct from upper chamber, is dried to the coke in middle STRENGTH ON COKE bunker 1 by periphery by annular passage 8；
2) Low Temperature Thermal waste gas introduces in lower chamber 7 for airduct from lower chamber, and a part of Low Temperature Thermal waste gas arrives middle part blast cap 11 by air channel, middle part 9, is dried by the coke in middle part to the periphery STRENGTH ON COKE bunker 1 by middle part blast cap 11；Another part Low Temperature Thermal waste gas arrives central authorities' blast cap 12 by central authorities air channel 10, is dried by the coke in mediad periphery STRENGTH ON COKE bunker 1 by central authorities' blast cap 12；
3) air quantity of the Low Temperature Thermal waste gas entered in upper chamber 6 and lower chamber 7 can be regulated by volume adjusting apparatus 13, Low Temperature Thermal waste gas is made to be uniformly distributed circumferentially in coke bunker 1, STRENGTH ON COKE carries out uniform heating, drying, improves the uniformity of outlet coke moisture.
Coke bunker 1 of the present invention can be square or circular coke bunker, and source of the gas can be dried according to condition setting damping in enterprise；As coal chemical enterprise can utilize coke oven flue waste gas residual heat that the wet quenching coke in sieve coke bunker bunker is carried out damping drying, integrated iron and steel works can utilize the low temperature waste gas of sintering circular-cooler Low Temperature Thermal waste gas or blast funnace hot blast stove that the wet quenching coke in coke bunker before State of Blast Furnace is carried out damping drying.
While present invention can be implemented in storage coke, in being put in storage by uniform for process heat waste gas cloth by even distributing wind device 4 at the bottom of storehouse, make hot blast and coke direct heat transfer, the moisture in coke is dried.The air quantity of process heat waste gas, the pathogenic wind-warm that introduce can regulate in real time according to the water content of coke in storehouse and the coke target water content that delivers from godown, it is achieved coke moisture is stable.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a coke storage damping integrated apparatus, including coke bunker, described coke bunker is provided with discharge device at the bottom of top, storehouse cloth air-lock device, storehouse top gas collecting apparatus and storehouse；It is characterized in that, bore bucket place at coke storage bunker bottom and be additionally provided with even distributing wind device at the bottom of storehouse, even distributing wind device at the bottom of storehouse is made up of upper chamber, lower chamber, annular passage, central authorities air channel, air channel, middle part, central authorities' blast cap and middle part blast cap；Described upper chamber and lower chamber are ring-shaped air chamber that is separate and that close, the coke bunker cone headwall that upper chamber is corresponding offers annulus and constitutes annular passage；Lower chamber is respectively through air channel connection central authorities of central authorities blast cap, and by connection middle part, air channel, middle part blast cap, middle part blast cap and central authorities' blast cap are along high to being arranged at coke bunker centre from bottom to top；It is respectively equipped with for airduct outside upper chamber and lower chamber, for airduct sets volume adjusting apparatus respectively.
2. a kind of coke storage damping integrated apparatus according to claim 1, it is characterised in that described volume adjusting apparatus is electric rotating plate valve.
3. a kind of coke storage damping integrated apparatus according to claim 1, it is characterised in that the diameter of described middle part blast cap is more than the diameter of central authorities' blast cap.
4. a kind of coke storage damping integrated apparatus according to claim 1, it is characterised in that the quantity sum in air channel, described middle part and central authorities air channel is 3-8.
5. store the coke moisture control method of damping integrated apparatus based on a kind of coke described in claim 1, it is characterised in that including:
1) adopting the Low Temperature Thermal waste gas of sintering circular-cooler Low Temperature Thermal waste gas or blast funnace hot blast stove as dry source of the gas, Low Temperature Thermal waste gas introduces in upper chamber for airduct from upper chamber, is dried to the coke in middle STRENGTH ON COKE bunker by periphery by annular passage；
2) Low Temperature Thermal waste gas introduces in lower chamber for airduct from lower chamber, and a part of Low Temperature Thermal waste gas arrives middle part blast cap by air channel, middle part, is dried by the coke in middle part to the periphery STRENGTH ON COKE bunker by middle part blast cap；Another part Low Temperature Thermal waste gas arrives central authorities' blast cap by central authorities air channel, is dried by the coke in the STRENGTH ON COKE bunker of mediad periphery by central authorities' blast cap；
3) can being regulated the air quantity of the Low Temperature Thermal waste gas entered in upper chamber and lower chamber by volume adjusting apparatus, make Low Temperature Thermal waste gas be uniformly distributed circumferentially in coke bunker, STRENGTH ON COKE carries out uniform heating, drying, improves the uniformity of outlet coke moisture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265012.6A CN105737542B (en) | 2016-04-26 | 2016-04-26 | A kind of coke moisture control method of coke storage damping integrated apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265012.6A CN105737542B (en) | 2016-04-26 | 2016-04-26 | A kind of coke moisture control method of coke storage damping integrated apparatus |
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| CN105737542A true CN105737542A (en) | 2016-07-06 |
| CN105737542B CN105737542B (en) | 2018-04-17 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6161304A (en) * | 1999-10-05 | 2000-12-19 | M&R Printing Equipment, Inc. | Dryer assembly |
| CN101186831A (en) * | 2007-12-17 | 2008-05-28 | 中冶焦耐工程技术有限公司 | Special-purpose gas supplying device for coke dry quenching unit |
| CN102295945A (en) * | 2011-08-08 | 2011-12-28 | 刘永言 | Humidity conditioning device for coking coal |
| CN102445063A (en) * | 2010-10-11 | 2012-05-09 | 盐城市科宝达科技实业有限公司 | Special vertical dryer for coke |
| CN104629778A (en) * | 2015-02-12 | 2015-05-20 | 中冶焦耐工程技术有限公司 | Coke plugging prevention device of dry quenching furnace |
| CN105018120A (en) * | 2015-08-03 | 2015-11-04 | 中冶焦耐工程技术有限公司 | Low-grade powder coal continuous retort technique and device |
| CN205655614U (en) * | 2016-04-26 | 2016-10-19 | 中冶焦耐工程技术有限公司 | Humidifying integrated device is stored to coke |
-
2016
- 2016-04-26 CN CN201610265012.6A patent/CN105737542B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6161304A (en) * | 1999-10-05 | 2000-12-19 | M&R Printing Equipment, Inc. | Dryer assembly |
| CN101186831A (en) * | 2007-12-17 | 2008-05-28 | 中冶焦耐工程技术有限公司 | Special-purpose gas supplying device for coke dry quenching unit |
| CN102445063A (en) * | 2010-10-11 | 2012-05-09 | 盐城市科宝达科技实业有限公司 | Special vertical dryer for coke |
| CN102295945A (en) * | 2011-08-08 | 2011-12-28 | 刘永言 | Humidity conditioning device for coking coal |
| CN104629778A (en) * | 2015-02-12 | 2015-05-20 | 中冶焦耐工程技术有限公司 | Coke plugging prevention device of dry quenching furnace |
| CN105018120A (en) * | 2015-08-03 | 2015-11-04 | 中冶焦耐工程技术有限公司 | Low-grade powder coal continuous retort technique and device |
| CN205655614U (en) * | 2016-04-26 | 2016-10-19 | 中冶焦耐工程技术有限公司 | Humidifying integrated device is stored to coke |
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| CN105737542B (en) | 2018-04-17 |
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Effective date of registration: 20180802 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE Coking And Refractory (Dalian) Engineering Consulting Corp., MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE Coking and Refractory Engineering Consulting Corporation, MCC |
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