CN205655657U - Dry air distributing system of coke for coke bin - Google Patents
Dry air distributing system of coke for coke bin Download PDFInfo
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- CN205655657U CN205655657U CN201620358514.9U CN201620358514U CN205655657U CN 205655657 U CN205655657 U CN 205655657U CN 201620358514 U CN201620358514 U CN 201620358514U CN 205655657 U CN205655657 U CN 205655657U
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- coke
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- coke bin
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Abstract
The utility model relates to a dry air distributing system of coke for coke bin, the coke bin bottom is equipped with to be overlapped the epicone fill of inserting together and bores down and fight, overlaps the cyclic annular gap of inserting eaves formation and constitutes circular air flue, upper chamber is established to epicone fill outside, bores the outside of fighting down and establishes lower chamber, establishes the cross wind channel central hood intercommunication central with being located the coke bin in the lower awl fill that lower chamber corresponds, upper chamber and lower chamber are independent separately to be connected with outside air supply pipeline respectively, and upper chamber is the circular air flue air feed, and lower chamber passes through the cross wind channel and is central hood air feed, establish air input adjusting device on the outside air supply pipeline respectively to control by control system. The utility model discloses but the effective control with adjust to get into hot waste gas in the coke bin and in bunker direction and central zone's tolerance all around, realize hot -blast evenly distributed, improve simultaneously bunker central authorities coke flow fast, the mobile slow problem of the peripheral coke of bunker, be favorable to realizing the even whereabouts and the drying of the interior coke of bunker, reach the coke and store and the stable purpose of moisture regulation.
Description
Technical field
This utility model relates to a kind of coke bin (coke bunker), particularly relates to a kind of coke bin coke and is dried cloth wind system.
Background technology
Coke as blast furnace ironmaking fuel and reducing agent, its product quality and directly affect ironmaking quality and effect containing water stability
Benefit.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 use CDQ, burnt
Charcoal aqueous 1%, 2.76 hundred million tons use wet quenching, the aqueous 4%-8% of coke.
Wet quenching coke is directly entered blast furnace ironmaking without dry substantially.Owing to wet quenching coke moisture is too high or winter
When coke freezes, the coke powder sticking to coke surface is difficult to sift out before State of Blast Furnace, after entering blast furnace with coke, deteriorates blast furnace
Breathability so that affect smooth operation of furnace.(moisture increases by 1% coke ratio and increases the increase of coke moisture content height blast furnace coke ratio
1.1～1.3%)；When water content is more than 4%, then stove dust quantity substantially rises, smooth operation of furnace is deteriorated, and top temperature also can be caused low
Cause degradation adverse effect under the hardening of dry method dust cloth bag, process pipe blocking, blast furnace gas calorific value.
Existing coke drying device is to be passed directly into hot waste gas bottom coke bin to dry wet coke, and hot waste gas is at coke bin
Interior random distribution bottom coke bin to coke bin top flow, coke from coke bin top to coke bin flows heat exchange.Because it is Jiao
Without air-distribution device bottom storehouse, hot blast, at coke bin surrounding and center position skewness, causes coke bin surrounding and central coke not
Can uniformly be dried by Synchronous Heating, heat drying efficiency is low, and coke bin outlet coke moisture fluctuation is big.
Summary of the invention
This utility model provides a kind of coke bin coke and is dried cloth wind system, can effectively control and regulate the heat entered in coke bin
Waste gas is in bunker peripheral direction and the tolerance of central area, it is achieved hot blast is uniformly distributed, and improves bunker central authorities choke flow simultaneously
Hurry up, the problem that bunker periphery choke flow is slow；It is advantageously implemented the even drop down of coke in bunker and is dried, reaching coke storage
Deposit the purpose stable with moisture regulation.
In order to achieve the above object, this utility model realizes by the following technical solutions:
A kind of coke bin coke is dried cloth wind system, is arranged in coke bin, including epicone bucket, lower cone bucket, annular passage, ten
Word air channel and central authorities' blast cap；Epicone bucket and lower cone bucket that set is plugged together, the annular slot that set plug eave is formed it is provided with bottom coke bin
Constitute annular passage；Setting upper chamber outside epicone bucket more than annular passage, the lower cone bucket outside below annular passage is set
Air chamber, sets cross air channel in the lower cone bucket that lower chamber is corresponding and connects with the central blast cap being positioned at coke bin center, going out of central authorities' blast cap
Air port is positioned at the top of epicone bucket；Upper chamber and lower chamber are each independent and are connected with outside air supply line respectively, and upper chamber is
Annular passage air feed, lower chamber is central authorities' blast cap air feeds by cross air channel；Air inflow regulation is set respectively on outside air supply line
Device, and by control system control.
Described upper chamber is divided into the little air chamber in multiple top by radial direction dividing plate；It is little that lower chamber is respectively 4 bottoms by radial direction dividing plate
Air chamber, an air inlet in the most corresponding cross air channel of the little air chamber in each bottom；The little air chamber in each top and each bottom are stingy
Room branch road airduct with outside air supply line respectively is connected, and sets gas flowmeter and flow control valve on branch road airduct respectively.
The air flow inlet diameter in described cross air channel is less than its body diameter, coated with replaceable abrasion-proof backing block outside cross air channel.
Described central authorities blast cap is double-deck beveled structure, is made up of top addendum cone and bottom auger cap two parts, addendum cone and auger cap
Upper surface lays abrasion-proof backing block respectively.
Described coke bin is circular coke bin or square coke bin.
Compared with prior art, the beneficial effects of the utility model are:
1) employing is tied from the form of central authorities' air feed from inside to outside from periphery ecto-entad air feed and central authorities' blast cap mutually by annular passage
Closing, the hot blast that can effectively solve to enter in storehouse is uniformly distributed storehouse inner rim and center position, is advantageously implemented coke in storehouse
Uniform heating, thus improve the uniformity of coke bin outlet coke moisture；
2) due to central authorities' blast cap and the existence in cross air channel, can improve that coke bin central authorities choke flow is fast, coke bin surrounding choke flow
Dynamic slow shortcoming, in making coke bin, same cross section choke flow speed reaches unanimity；
3) suitability is strong, it is adaptable to the coke screening station of coke-oven plant and coke bin coke bin, iron-smelter State of Blast Furnace before burnt storehouse coke bin,
And the situation that the there is a need to coke such as the coke bin of calcium carbide factory is dried；
4) coal chemical enterprise can utilize coke oven flue waste gas residual heat to enter the wet quenching coke in coke screening station and coke bin bunker
Row damping is dried；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 to height
Wet quenching coke in the bunker of Jiao storehouse, stove stokehold carries out damping drying；Wind regime source is wide, and energy utilization rate is high；
5) coke bin of native system is set and has that collection storage is drying integrated, flexible adjustment, reduced investment, operating cost are low, joint
The advantages such as energy, environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation that coke described in the utility model is dried cloth wind system.
Fig. 2 is application circular coke bin top view of the present utility model.
Fig. 3 is to apply square coke bin top view of the present utility model.
In figure: 1. 2. times cone bucket 3. coke bin 4. annular passage 5. cross air channel 6. central authorities blast caps 7. of epicone bucket
Upper chamber 8. lower chamber
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
See that Fig. 1, a kind of coke bin coke described in the utility model are dried cloth wind system, are arranged in coke bin 3, including epicone
Bucket 1, lower cone bucket 2, annular passage 4, cross air channel 5 and central authorities' blast cap 6；Be provided with bottom coke bin 3 set be plugged together upper
Cone bucket 1 and lower cone bucket 2, the annular slot that set plug eave is formed constitutes annular passage 4；From the epicone bucket of annular passage more than 4
1 outside sets upper chamber 7, and the lower cone bucket 2 of annular passage less than 4 is outside sets air chamber 8, the lower cone bucket 2 of lower chamber 8 correspondence
The central blast cap 6 inside setting cross air channel 5 and be positioned at coke bin 3 center connects, and the air outlet of central authorities' blast cap 6 is positioned at epicone bucket 1
Top；Upper chamber 7 and lower chamber 8 the most independently and respectively with outside air supply line are connected, and upper chamber 7 is annular passage
4 air feeds, lower chamber 8 is central authorities' blast cap 6 air feeds by cross air channel 5；Air inflow regulation is set respectively on outside air supply line
Device, and by control system control.
Described upper chamber 7 is divided into the little air chamber in multiple top by radial direction dividing plate；Lower chamber 8 is respectively under 4 by radial direction dividing plate
The little air chamber in portion, an air inlet in the most corresponding cross air channel 5 of the little air chamber in each bottom；The little air chamber in each top and each under
The little air chamber in portion branch road airduct with outside air supply line respectively is connected, and sets gas flowmeter and flow tune on branch road airduct respectively
Joint valve.
The air flow inlet diameter in described cross air channel 5 is less than its body diameter, and cross air channel 5 is outside coated with replaceable wear-resisting lining
Plate.
Described central authorities blast cap 6 is double-deck beveled structure, is made up of top addendum cone and bottom auger cap two parts, addendum cone and auger
Cap upper surface lays abrasion-proof backing block respectively.
Described coke bin 3 is circular coke bin (as shown in Figure 2) or square coke bin (as shown in Figure 3).
A kind of coke bin coke is used to be dried the coke drying means (upper and lower air chamber does not separates) of cloth wind system, including walking as follows
Rapid:
1) use sintering circular-cooler Low Temperature Thermal waste gas, the Low Temperature Thermal waste gas of blast funnace hot blast stove or coke oven flue waste gas as being dried
Source of the gas, Low Temperature Thermal waste gas introduces in upper chamber 7 from the outside air supply line that is connected with upper chamber 7, by annular passage 4 by
Coke in coke bin 3 is dried by periphery to centre；
2) Low Temperature Thermal waste gas introduces in lower chamber 8 from the outside air supply line being connected with lower chamber 8, by cross air channel 5
Arrive central authorities' blast cap 6, by mediad periphery, the coke in coke bin 3 is dried by central authorities' blast cap 6；
3) air quantity of the Low Temperature Thermal waste gas entered in upper chamber 7 and lower chamber 8 can be regulated by air inflow adjusting device,
Making Low Temperature Thermal waste gas be uniformly distributed circumferentially in coke bin 3, STRENGTH ON COKE carries out uniform heating, drying, improves outlet coke moisture
Uniformity.
A kind of coke bin coke is used to be dried the coke drying means (upper and lower air chamber is divided into multiple little air chamber) of cloth wind system,
Comprise the steps:
1) use sintering circular-cooler Low Temperature Thermal waste gas, the Low Temperature Thermal waste gas of blast funnace hot blast stove or coke oven flue waste gas as being dried
Source of the gas, Low Temperature Thermal waste gas introduces stingy indoor, each top from the branch road airduct of the outside air supply line being connected with upper chamber 7,
To centre, the coke in coke bin 3 is dried by periphery by annular passage 4；
2) Low Temperature Thermal waste gas introduces stingy indoor, each bottom from the branch road airduct of the outside air supply line being connected with lower chamber 8,
Arrive central authorities' blast cap 6 by cross air channel 5, by mediad periphery, the coke in coke bin 3 is dried by central authorities' blast cap 6
Dry；
3) by along high to the multiple temperature and humidity measurement apparatus being circumferentially provided in coke bin 3, accurately monitoring coke bin 3
The drying regime of interior coke；By the flow control valve on branch road airduct can regulate entrance each top little air chamber and each under
The air quantity of the Low Temperature Thermal waste gas of stingy indoor, portion, accurately adjusts coke bin 3 local temperature and humidity, makes coke heating, drying more
Uniformly, the uniformity of outlet coke moisture is improved further.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model does not limit to
In this, any those familiar with the art is in the technical scope that this utility model discloses, according to this utility model
Technical scheme and utility model conceive equivalent or change in addition, all should contain protection domain of the present utility model it
In.
Claims (5)
1. coke bin coke is dried a cloth wind system, is arranged in coke bin, it is characterised in that include epicone bucket, lower cone
Bucket, annular passage, cross air channel and central authorities' blast cap；Epicone bucket and lower cone bucket, inserting that set is plugged together it is provided with bottom coke bin
The annular slot that eaves is formed constitutes annular passage；Upper chamber is set, below annular passage outside epicone bucket more than annular passage
Lower cone bucket outside set air chamber, the central blast cap setting cross air channel and being positioned at coke bin center in the lower cone bucket that lower chamber is corresponding is even
Logical, the air outlet of central authorities' blast cap is positioned at the top of epicone bucket；Upper chamber and lower chamber are each independent and supply airduct with outside respectively
Road connects, and upper chamber is annular passage air feed, and lower chamber is central authorities' blast cap air feeds by cross air channel；On outside air supply line
Set air inflow adjusting device respectively, and by control system control.
A kind of coke bin coke the most according to claim 1 is dried cloth wind system, it is characterised in that described upper chamber
It is divided into the little air chamber in multiple top by radial direction dividing plate；Lower chamber is respectively 4 little air chambers in bottom, each bottom by radial direction dividing plate
One air inlet in the most corresponding cross air channel of little air chamber；The little air chamber of the little air chamber in each top and each bottom supplies with outside respectively
The branch road airduct of wind pipeline connects, and sets gas flowmeter and flow control valve on branch road airduct respectively.
A kind of coke bin coke the most according to claim 1 is dried cloth wind system, it is characterised in that described cross wind
The air flow inlet diameter in road is less than its body diameter, coated with replaceable abrasion-proof backing block outside cross air channel.
A kind of coke bin coke the most according to claim 1 is dried cloth wind system, it is characterised in that described central authorities wind
Cap is double-deck beveled structure, is made up of top addendum cone and bottom auger cap two parts, and addendum cone and auger cap upper surface are laid respectively
Abrasion-proof backing block.
A kind of coke bin coke the most according to claim 1 is dried cloth wind system, it is characterised in that described coke bin is
Circular coke bin or square coke bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358514.9U CN205655657U (en) | 2016-04-26 | 2016-04-26 | Dry air distributing system of coke for coke bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358514.9U CN205655657U (en) | 2016-04-26 | 2016-04-26 | Dry air distributing system of coke for coke bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205655657U true CN205655657U (en) | 2016-10-19 |
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ID=57400326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620358514.9U Active CN205655657U (en) | 2016-04-26 | 2016-04-26 | Dry air distributing system of coke for coke bin |
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| CN (1) | CN205655657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758165B (en) * | 2016-04-26 | 2018-04-17 | 中冶焦耐工程技术有限公司 | A kind of coke drying means of coke bin coke drying cloth wind system |
-
2016
- 2016-04-26 CN CN201620358514.9U patent/CN205655657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758165B (en) * | 2016-04-26 | 2018-04-17 | 中冶焦耐工程技术有限公司 | A kind of coke drying means of coke bin coke drying cloth wind system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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 |