CN205843207U - A kind of coal drying system - Google Patents
A kind of coal drying system Download PDFInfo
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- CN205843207U CN205843207U CN201620734516.3U CN201620734516U CN205843207U CN 205843207 U CN205843207 U CN 205843207U CN 201620734516 U CN201620734516 U CN 201620734516U CN 205843207 U CN205843207 U CN 205843207U
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Abstract
This utility model provides a kind of coal drying system, and it includes that drying machine, described drying machine are sealed drying machine, described drying machine is provided with hot wind inlet, offgas outlet, charging aperture and discharging opening；Air stove, described air stove is connected with described hot wind inlet by the first pipeline；Cleaner unit, described cleaner unit connects with described offgas outlet；Sealing charging gear, described sealing charging gear connects with described charging aperture；And sealed discharging device, described sealed discharging device connects with described discharging opening.Coal drying system of the present utility model does not use nitrogen and achieves and can keep low-oxygen environment in whole dry run, safe and efficient completes being dried of coal.
Description
Technical field
This utility model relates to coal production field, particularly relates to a kind of coal drying system.
Background technology
Coal that moisture content is higher or coal slime are storing and during transport, especially winter is often frozen in coal storage
In field or boxcar, bring the biggest inconvenience and certain economic loss to the owner of cargo or transporter.Furthermore, moisture content is relatively
The biggest waste can be caused during high Coal Transport.Therefore, coal transport or before using it is generally required to through dried.
The domestic drying process being applied to coal at present mainly has: pneumatic conveying drying and rotary drying.
Pneumatic conveying drying: pneumatic drier being dried for coal dust, existing substantial amounts of application in engineering.Wave in dried
Send out part ＞ more than 10% coal dust time, due in dry run air-flow with material and tube wall severe friction easily produce electrostatic to
Safety in production brings hidden danger.When the moisture of coal dust is bigger, material wall easy to stick, easily blocking pipeline cause system catches fire to explode, and make
Become security incident.Cyclone dust extractor the most easily glues wall obstruction simultaneously, and system is difficult to long period operating.General production process is done
Dry medium adds noble gas and controls the air inlet oxygen content of pneumatic drier as main explosion precaution.But Air Dried System
Energy consumption higher.The blast of substantial amounts of coal dust drying system occurs now and then in document and data, illustrates that this drying process is uncomfortable
Dried together in inflammable and explosive coal.
Rotary drying: whizzer is to be widely used in being dried of coal, coal slime and raw coal.It is less than drying fugitive constituent
During coal, coal slime and the raw coal of 20% dry, general production process is dried medium combustion product gases (coal-fired flue-gas, fuel oil
Flue gas etc.) as being dried medium.Typical advantage is exactly that treating capacity is big, operating is stable.Shortcoming is that floor space is relatively big, owing to adopting
With directly drying, the heat loss of tail gas causes system energy consumption bigger.Processing fugitive constituent more than 20% coal, coal slime and raw coal
When being dried, typically gush noble gas and control the air inlet oxygen content of drying machine as main explosion precaution.But also there are documents and materials
Report has explosion phenomenon to occur, and produces to country and causes the biggest loss.
Patent CN200610080589.6 discloses a kind of coal drying Processes and apparatus, and this drying process includes walking as follows
Rapid: in rotary drying machine and revolution cooler, to be filled with nitrogen, and measure wherein nitrogen gas concn, when oxygen concentration is less than 15%
Stop being filled with nitrogen；Start rotary drying machine and revolution cooler, with less than 150 DEG C of steam heating rotary drying machines, with cold
But water cooling revolution cooler, inputs coal continuously and dries to rotary drying machine, enters producing steam in drying course
Row dedusting, condense, process except mist after, reheat into dry unsaturation vapor return in rotary drying machine；To be oven-dried
Moisture cools down in sending into revolution cooler less than 3% coal, and is delivered to cloth-bag type powder by being filled with nitrogen pipeline
Dirt withdrawer reclaims.Coal drying equipment includes rotary drying machine, revolution cooler and charging conveying worm.This equipment
Needing to use substantial amounts of nitrogen and corresponding equipment in dry run, technique and equipment are relatively complicated.
Therefore it provides a kind of equipment is simple, the coal drying system that floor space is little, treatment effeciency is high is urgently to be resolved hurrily
Technical problem.
Utility model content
Based on above-mentioned deficiency, this utility model provides a kind of new coal drying system..
This utility model adopts the following technical scheme that
A kind of coal drying system, it includes
Drying machine, described drying machine is sealed drying machine, described drying machine is provided with hot wind inlet, offgas outlet,
Charging aperture and discharging opening；
Air stove, described air stove is connected with described hot wind inlet by the first pipeline；
Cleaner unit, described cleaner unit connects with described offgas outlet；
Sealing charging gear, described sealing charging gear connects with described charging aperture；And
Sealed discharging device, described sealed discharging device connects with described discharging opening.
Wherein, described sealed discharging device is star-like sealed discharge apparatus.
Wherein, described star-like sealed discharging channel is obliquely installed, the gradient of described sealing discharging pipeline be 60 degree extremely
70 degree.
Wherein, described sealing charging gear is sealed cylinder charging gear, described sealed cylinder charging gear and storage
Device for coal is connected, and described coal storage device rest on the ground.
Wherein, described sealing charging gear is for sealing feeder channel, and described sealing feeder channel is connected with coal storage device,
Described coal storage device is positioned at the top of described drying machine.
Wherein, described sealing feeder channel is obliquely installed, and the gradient of described sealing feeder channel is 60 degree to 70 degree.
Wherein, described cleaner unit is provided with gas discharge outlet, described gas discharge outlet is provided with second pipe, described
Second pipe is connected with described first pipeline by circulating fan.
Wherein, described cleaner unit is provided with dust collection storehouse.
Wherein, described drying machine is sealed fluid bed dryer.
The beneficial effects of the utility model are:
(1) coal drying system of the present utility model does not use nitrogen and achieving can keep in whole dry run
Low-oxygen environment, safe and efficient complete coal be dried.
(2) coal drying system of the present utility model need not use nitrogen to maintain low-oxygen environment, simplifies whole work
Skill, eliminates nitrogen gas preparing, reduces equipment cost and operating cost.
(3) coal drying system of the present utility model produces without secondary dust substantially, reduces the peace of whole drying system
Full hidden danger, creates bigger safety benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the overall schematic of an embodiment of coal drying system of the present utility model；
Fig. 2 is the concrete schematic diagram of coal drying system of the present utility model.
Detailed description of the invention
This utility model is described in detail below in conjunction with embodiment and accompanying drawing.It should be noted that in the feelings do not conflicted
Under condition, the embodiment in the application and the feature in embodiment can be mutually combined.
Seeing Fig. 1 and Fig. 2, this utility model provides a kind of coal drying system, and it includes drying machine 100, air stove
200, cleaner unit 300, sealing charging gear 400 and sealed discharging device 500.
Wherein drying machine is the capital equipment realizing coal drying.Drying machine 100 in the present embodiment is sealed dry machine.
Hot wind inlet, offgas outlet, charging aperture and discharging opening it is provided with on drying machine 100.
Air stove 200 is connected with hot wind inlet by the first pipeline 201；Air stove constantly provides High Temperature Gas to drying machine
Body, high-temperature gas contacts with coal and carries out heat exchange, it is achieved being dried of coal.
Cleaner unit 300 connects with the offgas outlet of drying machine 100；The gas that after contacting with coal, temperature reduces carries coal
The steam that charcoal evaporates enters cleaner unit to carry out processing dedusting and dehumidification treatments, and the dust that cleaner unit obtains is coal dust, this portion
Divide coal dust can use as dry coal.
Seal charging gear 400 to connect with the charging aperture of drying machine 100；Sealed discharging device 500 goes out with drying machine 100
Material mouth connection.
Pending feed coal enters drying machine by sealing charging gear 400 and is dried process, and dried is complete
The dry coal obtained after one-tenth is discharged by sealed discharging device 500.Air stove provides high-temperature gas as being dried to drying machine
Medium, cleaner unit 300 is used for reclaiming coal dust and place's process gases.
The most sealed system of coal drying system of the present utility model, provides hypoxia high by air stove high-temp combustion
Warm flue gas as dry medium, then by sealed charging gear and sealed type discharge device guarantee drying machine charging aperture and
Discharging opening enters without fresh air, thus realizes whole dry run and can keep low-oxygen environment, thus safe and efficient completes
Being dried of coal.Coal drying system of the present utility model need not use nitrogen to maintain low-oxygen environment, simplifies whole work
Skill, eliminates nitrogen gas preparing, reduces equipment cost and operating cost.Furthermore, coal drying system of the present utility model is basic
Produce without secondary dust, reduce the potential safety hazard of whole drying system, create bigger safety benefit and economic benefit.
It is also preferred that the left as a kind of embodiment, sealed discharging device 500 can be star-like sealed discharge apparatus, or
Person is for sealing revolution cooler.Sealed discharging device 500 described in the present embodiment is star-like sealed discharge apparatus.Star-like sealing
Formula discharge apparatus is fairly simple, and it can utilize action of gravity discharge, compares saving energy consumption.Now discharging opening is positioned at drying machine
Lower section.
Further, described star-like sealed discharging channel is obliquely installed, the inclination of described star-like sealed discharging channel
Degree is 60 degree to 70 degree.Star-like sealed discharging channel is obliquely installed it can be avoided that produce dust during discharge, makes moisture-free coal simultaneously
Charcoal cools down in discharging process.
It is also preferred that the left as a kind of embodiment, described sealing charging gear 400 is sealed cylinder charging gear, institute
Stating sealed cylinder charging gear to be connected with coal storage device, described coal storage device rest on the ground.When coal storage device is positioned in ground
Time on face, owing to the charging aperture distance coal storage device of drying machine has certain distance, therefore the present embodiment is provided with sealed rolling
Feed coal is sent in drying machine by cylinder charging gear.Sealed cylinder charging gear ensure that will not in whole fill process
Fresh air is had to enter.
It is also preferred that the left as another kind of embodiment, described sealing charging gear 400 can also be to seal feeder channel,
Described sealing feeder channel is connected with coal storage device, and described coal storage device is positioned at the top of described drying machine.In the present embodiment
Feed coal utilizes action of gravity to enter charging aperture.
Further, described sealing feeder channel is obliquely installed, the gradient of described sealing feeder channel be 60 degree to 70
Degree.Seal feeder channel and be obliquely installed same it can be avoided that produce unnecessary dust when coal enters drying machine.
It is also preferred that the left improve as another, coal drying system of the present utility model is also added into the work that circulation of tail gas utilizes
Skill.See Fig. 1 and Fig. 2, described cleaner unit 300 is provided with gas discharge outlet, described gas discharge outlet is provided with the second pipe
Road 301, described second pipe 301 is connected with described first pipeline 201 by circulating fan 302.Second pipe 301 is set also
By second pipe and the first pipeline communication, the tail gas so processed through cleaner unit just can recycle, and now air stove can
To provide super high temperature flue gas, obtain high-temperature flue gas with this partial tail gas after being mixed by super high temperature flue gas as dry medium, so
With the heat of Appropriate application tail gas, thus energy-conservation purpose can be reached.
Further, see Fig. 1 and Fig. 2, cleaner unit 300 is provided with dust collection storehouse.Dust collection storehouse can be received
The dust that collection reclaims, this part dust is to be dried coal dust, and this partially dried coal dust can be with being dried that sealed discharging device is discharged
Coal is used together, thus avoids the wasting of resources.
Further, seeing Fig. 2, the drying machine 100 in this utility model is sealed fluid bed dryer.Charging aperture and
Offgas outlet is respectively positioned on the top of sealed fluid bed dryer.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, common for this area
For technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (9)
1. a coal drying system, it is characterised in that include
Drying machine, described drying machine is sealed drying machine, and described drying machine is provided with hot wind inlet, offgas outlet, charging
Mouth and discharging opening；
Air stove, described air stove is connected with described hot wind inlet by the first pipeline；
Cleaner unit, described cleaner unit connects with described offgas outlet；
Sealing charging gear, described sealing charging gear connects with described charging aperture；And
Sealed discharging device, described sealed discharging device connects with described discharging opening.
Coal drying system the most according to claim 1, it is characterised in that described sealed discharging device is star-like sealed
Discharge apparatus.
Coal drying system the most according to claim 2, it is characterised in that described star-like sealed discharging channel tilts to set
Putting, the gradient of described sealing discharging pipeline is 60 degree to 70 degree.
Coal drying system the most according to claim 2, it is characterised in that described sealing charging gear is sealed cylinder
Charging gear, described sealed cylinder charging gear is connected with coal storage device, and described coal storage device rest on the ground.
Coal drying system the most according to claim 2, it is characterised in that described sealing charging gear leads to for sealing feed
Road, described sealing feeder channel is connected with coal storage device, and described coal storage device is positioned at the top of described drying machine.
Coal drying system the most according to claim 5, it is characterised in that described sealing feeder channel is obliquely installed, institute
The gradient stating sealing feeder channel is 60 degree to 70 degree.
7. according to the coal drying system described in claim 1 to 6 any one, it is characterised in that arrange on described cleaner unit
Having gas discharge outlet, described gas discharge outlet is provided with second pipe, described second pipe is by circulating fan and described the
One pipeline is connected.
Coal drying system the most according to claim 7, it is characterised in that be provided with dust collection on described cleaner unit
Storehouse.
Coal drying system the most according to claim 1, it is characterised in that described drying machine is sealed fluid bed drying
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620734516.3U CN205843207U (en) | 2016-07-13 | 2016-07-13 | A kind of coal drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620734516.3U CN205843207U (en) | 2016-07-13 | 2016-07-13 | A kind of coal drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205843207U true CN205843207U (en) | 2016-12-28 |
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| CN201620734516.3U Active CN205843207U (en) | 2016-07-13 | 2016-07-13 | A kind of coal drying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657647A (en) * | 2019-10-23 | 2020-01-07 | 挪亚圣诺（太仓）生物科技有限公司 | Polyunsaturated fatty acid microcapsule drying system and drying process thereof |
| CN110657647B (en) * | 2019-10-23 | 2024-06-07 | 挪亚圣诺（太仓）生物科技有限公司 | Polyunsaturated fatty acid microcapsule drying system and drying process thereof |
-
2016
- 2016-07-13 CN CN201620734516.3U patent/CN205843207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657647A (en) * | 2019-10-23 | 2020-01-07 | 挪亚圣诺（太仓）生物科技有限公司 | Polyunsaturated fatty acid microcapsule drying system and drying process thereof |
| CN110657647B (en) * | 2019-10-23 | 2024-06-07 | 挪亚圣诺（太仓）生物科技有限公司 | Polyunsaturated fatty acid microcapsule drying system and drying process thereof |
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