CN107478050A - A kind of coal slime drying means and system - Google Patents
A kind of coal slime drying means and system Download PDFInfo
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- CN107478050A CN107478050A CN201710681894.9A CN201710681894A CN107478050A CN 107478050 A CN107478050 A CN 107478050A CN 201710681894 A CN201710681894 A CN 201710681894A CN 107478050 A CN107478050 A CN 107478050A
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- Prior art keywords
- coal slime
- drying device
- cavity
- vapor
- drying
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Classifications
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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
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The embodiment of the invention discloses a kind of coal slime drying means and system, it is related to coal electro-technical field, for solving the problems, such as that existing coal slime drying means can cause environmental pollution.The inventive method includes：It will be collected by the vapor of steam turbine into drying device；The coal slime in drying device is heated using the vapor being collected into drying device, to cause the reduction of the humidity of the coal slime in drying device.
Description
Technical field
The present invention relates to coal electro-technical field, and in particular to a kind of coal slime drying means and system.
Background technology
Existing thermal power generation relies primarily on steam turbine power generation, and the general process of steam turbine power generation is：As caused by boiler
Superheated steam enter steam turbine in expansion work, make blade rotate and drive electrical power generators, the waste vapour after acting through condenser,
Water circulating pump, condensate pump, send boiler recycling back to hot-water heating system etc., and the fuel for heating of being fed water in thermal power plant is main
It is coal slime.It is preceding, it is necessary to which coal slime is transported into coal yard, Jin Eryong from coal slime stacking field by coal slime conveying device that coal slime enters stove burning
Coal fired power generation in coal yard.It is generally larger that the humidity of coal slime in field is stacked due to coal slime, influences coal fired generation process, therefore need
Coal slime before entrance coal yard is dried, to reduce the humidity of coal slime, referring to Fig. 1, be existing coal slime transport system,
Dotted line represents the conveying circuit of coal slime.
Prior art generally produces high-temperature flue gas, and high-temperature flue gas pair caused by utilization by burning coal or biological substance
Coal slime is thermally dried.
But there is volume of smoke, sulfur dioxide and nitrogen in the high-temperature flue gas that prior art uses in coal slime drying process
Oxide etc., environmental pollution can be caused.
The content of the invention
The embodiments of the invention provide a kind of coal slime drying means and system, for solving existing coal slime drying means meeting
The problem of causing environmental pollution.
To reach above-mentioned purpose, the one side of the embodiment of the present invention provides a kind of coal slime drying means, including：It will pass through
The vapor of steam turbine is collected into drying device；
The coal slime in the drying device is heated using the vapor being collected into the drying device, with
So that the humidity of the coal slime in the drying device reduces.
Optionally, the drying device includes the first cavity and the second cavity, first cavity and second cavity
Do not connect；
Described collect the vapor by steam turbine to drying device includes：
Vapor by the steam turbine is collected into first cavity；
Heating bag is carried out to the coal slime in the drying device using the vapor being collected into the drying device
Include：
The coal slime in second cavity is heated using first cavity, to cause in second cavity
The humidity of coal slime reduces.
Optionally, after being heated using first cavity to the coal slime in second cavity, methods described is also
Including：
The gas discharged from the coal slime of second cavity is extracted out from the drying device；
Purified treatment is carried out to the gas of extraction.
Optionally, the coal slime in the drying device is carried out using the vapor being collected into the drying device
Heating includes：
The coal slime in the drying device is driven, to cause the coal slime in the drying device to rotate or shake；
The coal slime for rotating or shaking in the drying device is entered using the vapor in the drying device
Row heating, to cause the reduction of the humidity of the coal slime in the drying device.
Optionally, the coal slime in the drying device is entered using the vapor being collected into the drying device
After row heating, methods described also includes：
The vapor of coal slime in the heated drying device is discharged from the drying device；
The vapor that the drying device is discharged is collected into coal slime conveying device；
The coal slime in the coal slime conveying device is entered using the vapor being collected into the coal slime conveying device
Row heating, to cause the reduction of the humidity of the coal slime in the coal slime conveying device.
Second aspect of the present invention provides a kind of coal slime drying system, and drying system includes the first collection device and dried to fill
Put, first collection module is connected with the heating module；
First collection device is used to collect the vapor by steam turbine into the drying device；
The drying device is used for using the vapor being collected into the drying device in the drying device
Coal slime heated, with cause the humidity of the coal slime in the drying device reduction.
Optionally, the drying device includes the first cavity and the second cavity, first cavity and second cavity
Do not connect；
Second cavity is used to accommodate coal slime；
First cavity is used to accommodate the vapor that first collection device is collected into, and to second chamber
Coal slime heating in body, to cause the reduction of the humidity of the coal slime in second cavity.
Optionally, the drying system also includes air extractor and purifier, the air extractor and the purification dress
Put connected；
The air extractor is used to take out the gas discharged from the coal slime of second cavity from the drying device
Go out；
The purifier is used to carry out purified treatment to the gas that the air extractor is extracted out.
Optionally, the drying device includes drive module and heating module；
The drive module is used to drive the coal slime in the drying device, to cause the coal slime in the drying device to send out
It is raw to rotate or shake；
The heating module is used for using the vapor being collected into the drying device in the drying device
The coal slime for rotating or shaking is heated, to cause the reduction of the humidity of the coal slime in the drying device.
Optionally, the drying system also includes discharger, the second collection device and coal slime conveying device, the discharge
Device is connected with second collection device, and second collection device is connected with the coal slime conveying device；
The discharger is used to fill the vapor of the coal slime in the heated drying device from the drying
Put discharge；
The vapor that second collection device is used to discharge the discharger is collected to the coal slime and conveyed
In device；
The vapor that the coal slime conveying device is used to be collected into using second collection device is to the coal slime
Coal slime in conveying device is heated, to cause the reduction of the humidity of the coal slime in the coal slime conveying device.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The present invention will be collected into drying device by the vapor of steam turbine, using being collected into the drying device
The vapor heats to the coal slime in the drying device, to cause the humidity of the coal slime in the drying device to drop
It is low, it is the vapor by steam turbine because the present invention coal slime is dried used gas, compared to the prior art, can
To reduce environmental pollution, the energy is saved.
Brief description of the drawings
Fig. 1 is existing one schematic diagram of coal slime transport system；
Fig. 2 is coal slime drying means one embodiment schematic diagram of the present invention；
Fig. 3 is another embodiment schematic diagram of coal slime drying means of the present invention；
Fig. 4 is another embodiment schematic diagram of coal slime drying means of the present invention；
Fig. 5 is coal slime drying system one embodiment schematic diagram of the present invention；
Fig. 6 is another embodiment schematic diagram of coal slime drying system of the present invention.
Embodiment
The embodiments of the invention provide a kind of coal slime drying means, for reducing environmental pollution, saves the energy.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing, "
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution so uses can exchange in the appropriate case, so that the embodiments described herein can be with except illustrating herein
Or the order beyond the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
Method and system provided by the invention is mainly used in thermal power generation system, specifically for turbine generating system.For
It is easy to the understanding of those skilled in the art, specific reality of the present invention by following examples to technical scheme provided by the invention
Existing process illustrates.
Referring to Fig. 2, coal slime drying means one embodiment of the present invention includes：
201st, will be collected by the vapor of steam turbine into drying device；
Can will by thermal power generation system to steam turbine do work vapor be collected, and by vapor collect to
In drying device.
202nd, the coal slime in drying device is heated using the vapor being collected into drying device.
, it is necessary to which it is dried before coal slime enters stove burning, in embodiments of the present invention, drying can be transported to
In device.To collected by the vapor of steam turbine to drying device, due to by the vapor of steam turbine have compared with
High temperature, the coal slime in drying device can be heated using the vapor being collected into, to cause in drying device
The humidity of coal slime reduces.
The superheated steam as caused by boiler enters in steam turbine after expansion work directly through condenser in the prior art
Cooling is different, and the present invention will be collected into drying device by the vapor of steam turbine, utilizes the water being collected into drying device
Steam heats to the coal slime in drying device, to cause the reduction of the humidity of the coal slime in drying device, takes full advantage of and does
The heat of vapor after work(, the energy is saved, and because the present invention coal slime is dried used gas to pass through
The vapor of steam turbine, compared to the prior art, it is possible to reduce environmental pollution.
Referring to Fig. 3, another embodiment of coal slime drying means of the present invention includes：
301st, the vapor by steam turbine is collected into the first cavity of drying device；
Drying device can include the first cavity and the second cavity, and the first cavity and the second cavity do not connect.It will can lead to
The vapor for crossing steam turbine in thermal power generation system is collected, and vapor is collected into the first cavity of drying device.
302nd, the coal slime in the second cavity is heated using the first cavity；
, it is necessary to which it is dried before coal slime enters stove burning, in embodiments of the present invention, drying can be transported to
In second cavity of device.After the vapor by steam turbine to be collected to the first cavity to drying device, due to passing through
The vapor of steam turbine has higher temperature, therefore the cavity wall of the first cavity also has higher temperature, can utilize afterwards
Heat radiation or conduction of heat of first cavity to coal slime in the second cavity, are heated to the coal slime in the second cavity, so that
Obtaining the humidity of the coal slime in the second cavity reduces.
303rd, the gas discharged from the coal slime of the second cavity is extracted out from drying device；
During being heated using the first cavity to the coal slime in the second cavity, it can be arranged in the coal slime of the second cavity
Go out some materials, because the temperature in the second cavity is higher, these materials after being discharged from coal slime it is most of in the form of a vapor
It is present in the second cavity so that more vapor, nitrogen oxides, sulfide and folder are included in the air in the second cavity
Miscellaneous dust.In order to avoid the vapor in the second cavity is again introduced into coal slime, will can be arranged from the coal slime of the second cavity
The gas gone out is extracted out from drying device, for example induced-draught fan can be used to extract the gas in the second cavity.
304th, purified treatment is carried out to the gas of extraction.
Due in the gas of the second cavity, except vapor, also nitrogen oxides, sulfide and dust for being mingled with etc.,
If being directly discharged to after extraction in air, environment can be polluted, therefore, the gas in the second cavity be carried out to extract it
Afterwards, purified treatment can be carried out to the gas of extraction.
Referring to Fig. 4, another embodiment of coal slime drying means of the present invention includes：
401st, the vapor by steam turbine is collected into the first cavity of drying device；
Drying device can include the first cavity and the second cavity, and the first cavity and the second cavity do not connect.It will can lead to
The vapor for crossing steam turbine in thermal power generation system is collected, and vapor is collected into the first cavity of drying device.
402nd, the coal slime in the second cavity is driven, to cause the coal slime in the second cavity to rotate or shake；
, it is necessary to which it is dried before coal slime enters stove burning, in embodiments of the present invention, drying can be transported to
In second cavity of device.In order to increase the heated surface area of coal slime, the coal slime in the second cavity can be driven, to cause second
Coal slime in cavity rotates or shaken.Such as second cavity can be turn-around machine, turn-around machine, can will in rotation process
Coal slime in turn-around machine is thrown, and coal slime is rotated, the intergranular spacing increase of coal slime in rotation process, what coal slime was heated
Surface area increases, and is advantageous to strengthen drying effect.Or shaking device can also be utilized to control the second cavity to shake, from
And make it that the coal slime in the second cavity shakes, and the intergranular spacing increase of coal slime during vibrations, the heated table of coal slime
Area increases, and is equally beneficial for strengthening drying effect.
403rd, the coal slime for rotating or shaking in the second cavity is heated using the first cavity；
After the vapor by steam turbine to be collected to the first cavity to drying device, due to the water by steam turbine
Steam has higher temperature, therefore the wall of the first cavity can have higher temperature, can utilize the first cavity afterwards
The coal slime for rotating or shaking in second cavity is heated, to cause the reduction of the humidity of the coal slime in the second cavity.
404th, the gas discharged from the coal slime of the second cavity is extracted out from drying device；
During being heated using the first cavity to the coal slime in the second cavity, it can be arranged in the coal slime of the second cavity
Go out some materials, because the temperature in the second cavity is higher, these materials after being discharged from coal slime it is most of in the form of a vapor
It is present in the second cavity so that more vapor, nitrogen oxides, sulfide and folder are included in the air in the second cavity
Miscellaneous dust.In order to avoid the vapor in the second cavity is again introduced into coal slime, will can be arranged from the coal slime of the second cavity
The gas gone out is extracted out from drying device, for example induced-draught fan can be used to extract the gas in the second cavity.
405th, purified treatment is carried out to the gas of extraction；
Due in the gas of the second cavity, except vapor, also nitrogen oxides, sulfide and dust for being mingled with etc.,
If being directly discharged to after extraction in air, environment can be polluted, therefore, the gas in the second cavity be carried out to extract it
Afterwards, purified treatment can be carried out to the gas of extraction.
406th, the vapor of the coal slime in heated second cavity is discharged from the first cavity；
, can be by way of heat radiation or heat transfer by heat after entering the first cavity by the vapor of steam turbine
Surrounding environment is passed to, includes the cavity wall of the first cavity, and the coal slime in the second cavity is passed to by the cavity wall of the first cavity,
The energy of the vapor in the first cavity is reduced afterwards, and temperature is reduced, it is necessary to it be discharged from the first cavity, to cause new lead to
The vapor for crossing steam turbine fills into the first cavity, to cause the temperature of the first cavity to be maintained at higher temperature, to maintain to second
The heating efficiency of coal slime in cavity.Specifically, the first cavity can set gas access and gas vent, pass through steam turbine
Vapor can be introduced into the first cavity by gas access, can pass through gas from the vapor for needing to discharge in drying device
The first cavity of outlet discharge, can rationally set the first cavity in the length and shape of gas access to the path between gas vent
Shape, to cause drying device that the vapor of high temperature can be made full use of to heat the first cavity, and can ensures that temperature reduces
Vapor discharge in time.
407th, the vapor that drying device is discharged is collected into coal slime conveying device；
, will in order to make full use of the heat of vapor because the steam temperature discharged from the first cavity is still higher
After the vapor of coal slime in heated second cavity is discharged from the first cavity, the water discharged in the first cavity can be steamed
Gas is collected into coal slime conveying device.Coal slime conveying device is used for during coal slime is transported into coal burning machine from stacking field,
In whole process, coal slime conveying task can be undertaken by multiple coal slime conveying devices.In the embodiment of the present invention, with by coal slime from
Coal slime stacking field is undertaken during being delivered to drying device exemplified by the coal slime conveyer of conveying task.
408th, the coal slime in coal slime conveying device is heated using the vapor being collected into coal slime conveying device, with
So that the humidity of the coal slime in coal slime conveying device reduces.
After the vapor that drying device is discharged is collected into coal slime conveying device, it can utilize and be collected into coal slime conveying
Vapor in device heats to the coal slime in coal slime conveying device, to cause the humidity of the coal slime in coal slime conveying device
Reduce.Stack what field was taken out because in the embodiment of the present invention, coal slime conveying device is in before drying device, therefore from coal slime
Coal slime is before drying device heating is entered, it is necessary first to by coal slime conveying device, is steamed by the water in coal slime conveying device
The pre-add heat effect of gas.Preferably, the vapor in coal slime conveying device is not directly contacted with coal slime.
It should be noted that step 403 to step 404 is used for during drying device heats to coal slime from the
Gas bleeding and gas is purified in two cavitys, step 405 to step 407 is used to heat coal slime in drying device
During the vapor discharged in the first cavity is collected into coal slime conveying device, the coal slime in coal slime conveying device is entered
Row heating, therefore step 403 is not to having strict sequential to limit between step 404 and step 405 to step 407.
The inventive method is described above, apparatus of the present invention are described below.
Referring to Fig. 5, one embodiment of coal slime drying system 5 of the present invention includes：
First collection device 501 and drying device 502, the first collection module 501 are connected with heating module 502；
First collection device 501 is used to collect the vapor by steam turbine 500 into drying device；
Drying device 502 is used to enter the coal slime in drying device 502 using the vapor being collected into drying device 502
Row heating, to cause the reduction of the humidity of the coal slime in drying device 502.
Referring to Fig. 6, another embodiment of coal slime drying system of the present invention includes the first collection device 601 and drying device
602。
Wherein, drying device includes the first cavity 6021 and the second cavity 6022, the first cavity 6021 and the second cavity
6022 do not connect, and the second cavity 6022 is used to accommodate coal slime, the first cavity of the first collection device 601 and heater 602
6021 are connected, and the first collection device 601 is used to collect the vapor by steam turbine 600 to the first chamber of drying device 602
In body 6021, the first cavity 6021 is used to accommodate the vapor that the first collection device 601 is collected into, and to the second cavity
Coal slime heating in 6022, to cause the reduction of the humidity of the coal slime in the second cavity 6022.
Preferably, coal slime drying system also includes air extractor 603 and purifier 604, air extractor and the second cavity
6022 are connected, and air extractor is connected with purifier 604；Air extractor 603 is used to arrange from the coal slime of the second cavity 6022
The gas gone out is discharged from drying device 602；Purifier 604 is used to carry out at purification the gas that air extractor 603 is extracted out
Reason.
Preferably, drying device 602 also includes drive module, and drive module is used to drive the coal in the second cavity 6022
Mud, to cause the coal slime in drying device 602 to rotate or shake.First cavity can be regarded as the heating of drying device 602
Module, for being heated using vapor to the coal slime for rotating or shaking in the second cavity 6022, to dry dress
Putting the humidity of the coal slime in 602 reduces.
Preferably, drying system also includes discharger 605, the second collection device 606 and coal slime conveying device 607, row
Go out device 605 with the second collection device 606 to be connected, the second collection device 606 is connected with coal slime conveying device 607；
Discharger 605 is connected with the vapor gas outlet of the first cavity 6021, for by heated drying device 602
The vapor of coal slime discharged from drying device 602；
Second collection device 606 is used to collect the vapor that discharger 605 is discharged into coal slime conveying device 607；
The vapor that coal slime conveying device 607 is used to be collected into using the second collection device 606 is to coal slime conveying device 607
In coal slime heated, with cause the humidity of the coal slime in coal slime conveying device 607 reduction.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. coal slime drying means, applied to thermal power generation system, it is characterised in that including：It will be collected by the vapor of steam turbine into drying device；The coal slime in the drying device is heated using the vapor being collected into the drying device, to cause The humidity of coal slime in the drying device reduces.
- 2. coal slime drying means according to claim 1, it is characterised in that the drying device includes the first cavity and the Two cavitys, first cavity do not connect with second cavity；Described collect the vapor by steam turbine to drying device includes：Vapor by the steam turbine is collected into first cavity；Carrying out heating to the coal slime in the drying device using the vapor being collected into the drying device includes：The coal slime in second cavity is heated using first cavity, to cause the coal slime in second cavity Humidity reduce.
- 3. coal slime drying means according to claim 2, it is characterised in that using first cavity to second chamber After coal slime in body is heated, methods described also includes：The gas discharged from the coal slime of second cavity is extracted out from the drying device；Purified treatment is carried out to the gas of extraction.
- 4. coal slime drying means according to any one of claim 1 to 3, it is characterised in that described dry using being collected into The vapor in dry device carries out heating to the coal slime in the drying device to be included：The coal slime in the drying device is driven, to cause the coal slime in the drying device to rotate or shake；The coal slime for rotating or shaking in the drying device is added using the vapor in the drying device Heat, to cause the reduction of the humidity of the coal slime in the drying device.
- 5. coal slime drying means according to claim 4, it is characterised in that be collected into utilizing in the drying device After the vapor heats to the coal slime in the drying device, methods described also includes：The vapor of coal slime in the heated drying device is discharged from the drying device；The vapor that the drying device is discharged is collected into coal slime conveying device；The coal slime in the coal slime conveying device is added using the vapor being collected into the coal slime conveying device Heat, to cause the reduction of the humidity of the coal slime in the coal slime conveying device.
- 6. a kind of coal slime drying system, applied to thermal power generation system, it is characterised in that including the first collection device and dry dress Put, first collection module is connected with the heating module；First collection device is used to collect the vapor by steam turbine into the drying device；The drying device is used for using the vapor being collected into the drying device to the coal in the drying device Mud is heated, to cause the reduction of the humidity of the coal slime in the drying device.
- 7. coal slime drying system according to claim 6, it is characterised in that the drying device includes the first cavity and the Two cavitys, first cavity do not connect with second cavity；Second cavity is used to accommodate coal slime；First cavity is used to accommodate the vapor that first collection device is collected into, and in second cavity Coal slime heating, with cause the humidity of the coal slime in second cavity reduction.
- 8. coal slime drying system according to claim 7, it is characterised in that the drying system also include air extractor and Purifier, the air extractor are connected with the purifier；The air extractor is used to from the drying device extract the gas discharged from the coal slime of second cavity out；The purifier is used to carry out purified treatment to the gas that the air extractor is extracted out.
- 9. the coal slime drying system according to any one of claim 6 to 8, it is characterised in that the drying device includes Drive module and heating module；The drive module is used to drive the coal slime in the drying device, to cause the coal slime in the drying device to occur to turn Dynamic or vibrations；The heating module is used for using the vapor being collected into the drying device to occurring in the drying device Rotate or the coal slime of vibrations is heated, to cause the reduction of the humidity of the coal slime in the drying device.
- 10. coal slime drying system according to claim 9, it is characterised in that the drying system also include discharger, Second collection device and coal slime conveying device, the discharger are connected with second collection device, and described second collects dress Put and be connected with the coal slime conveying device；The discharger is used to arrange the vapor of the coal slime in the heated drying device from the drying device Go out；The vapor that second collection device is used to discharge the discharger is collected to the coal slime conveying device In；The vapor that the coal slime conveying device is used to be collected into using second collection device conveys to the coal slime Coal slime in device is heated, to cause the reduction of the humidity of the coal slime in the coal slime conveying device.
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Application publication date: 20171215 |