CN107940935A - Combined three-cylinder dryer and its control method - Google Patents
Combined three-cylinder dryer and its control method Download PDFInfo
- Publication number
- CN107940935A CN107940935A CN201711116096.8A CN201711116096A CN107940935A CN 107940935 A CN107940935 A CN 107940935A CN 201711116096 A CN201711116096 A CN 201711116096A CN 107940935 A CN107940935 A CN 107940935A
- Authority
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- China
- Prior art keywords
- cylinder
- inner cylinder
- outer barrel
- dryer
- combined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003500 flue dust Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 yellow ground Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
- F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
- F26B11/0481—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements having a screw- or auger-like shape, or form screw- or auger-like channels
-
- 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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
- F26B25/04—Agitating, stirring, or scraping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of combined three-cylinder dryer and its control method, the dryer includes host, one end of the host is equipped with hot-blast stove, the other end of the host is equipped with deduster, the host includes the outer barrel of mutually embedding combination, middle cylinder and inner cylinder, the outer barrel, middle cylinder and inner cylinder are three concentric drums with same central shaft, curved surface helical form lifting blade is equipped with each cylinder, the inner cylinder for feeding end and is equipped with guide plate close to one end of hot-blast stove, the outer barrel is discharge end close to one end of deduster, the both ends of the middle cylinder are respectively communicated with inner cylinder and outer barrel, the both ends of three concentric drums are respectively arranged with transmission support roller, the transmission support roller is connected by wheel belt with decelerating motor, the transmission support roller and decelerating motor are fixed in fulcrum bearing.The present invention uses telescoping structure material drying, can greatly reduce equipment volume, improves drying efficiency, while reduces the supply of thermal current, reduces energy consumption.
Description
Technical field
The present invention relates to a kind of dryer and its control method, more particularly to a kind of combined three-cylinder dryer and its control
Method.
Background technology
The main application of dryer is used to dry certain humidity range endoparticle, granular material, such as slag, clay, fine coal
Ash, yellow ground, iron ore, gypsum etc..Material end moisture content after drying is required according to different industries, the material moisture after drying can
To reach below 1-0.5%.
For dryer, in addition to improving drying efficiency, also to solve material and not glue barrel, reduce the technologies such as energy consumption
Problem.It is such as particularly tight comprising slag, flyash, clay, yellow ground, the above problem particularly when material component is more complicated
Weight.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of combined three-cylinder dryer, can greatly improve drying effect
Rate, while the supply of thermal current is reduced, reduce energy consumption.
The present invention is to provide a kind of combined three-cylinder dryer to solve the technical solution that above-mentioned technical problem uses, and wraps
Host is included, one end of the host is equipped with hot-blast stove, and the other end of the host is equipped with deduster, wherein, the host includes
The outer barrel of mutually embedding combination, middle cylinder and inner cylinder, the outer barrel, middle cylinder and inner cylinder are three concentric drums with same central shaft,
Curved surface helical form lifting blade is equipped with each cylinder, the inner cylinder is close to one end of hot-blast stove for feeding end and equipped with guiding
Plate, the outer barrel are discharge end close to one end of deduster, and one end of the middle cylinder is connected with the other end of inner cylinder, in described
The other end of cylinder is connected with the other end of outer barrel, and the both ends of three concentric drums are respectively arranged with transmission support roller, described
Transmission support roller is connected by wheel belt with decelerating motor, and the transmission support roller and decelerating motor are fixed in fulcrum bearing.
Combinations of the above formula three-cylinder drier, wherein, the discharge end of the outer barrel is provided with material plugging plate.
Combinations of the above formula three-cylinder drier, wherein, the discharge end is equipped with dust cover and automatic blanking device, described anti-
Dust hood is connected by pipeline with deduster.
Combinations of the above formula three-cylinder drier, wherein, the fulcrum bearing) it is fixed on concrete substrate, the fulcrum bearing
Wedge is wedged between concrete substrate.
The present invention also provides a kind of control method of combinations thereof formula three-cylinder drier to solve above-mentioned technical problem, its
In, include the following steps:A) material to be dried is fed into dryer inner cylinder, the guide plate that material passes through inner cylinder one end by feeding end
Into inner cylinder;B) rotating cylinder, constantly lifts material by inner cylinder curved surface helical form lifting blade and is axially moved along inner cylinder, made
Obtain the other end that material reaches inner cylinder, and the cylinder in the effect of dead weight is fallen into;C) under the action of the spiral lifting blade of middle cylinder, control
Material cylinder in, which axially turns back, to move until the middle cylinder other end, material fall into outer barrel under Gravitative Loads;D) it is spiral in outer barrel
Under the action of lifting blade, control material continues to be advanced axially relative, until the discharge end of outer barrel;E) in material back and forth movement, control
Wind furnace is heated to blow and material progress heat exchange along inner cylinder, middle cylinder, outer barrel so that vapor is separated from material, with
Flue dust is discharged into air after deduster.
The control method of combinations of the above formula three-cylinder drier, wherein, step a) control materials the filling out in inner cylinder
Fill 10%~20% that sectional area is inner cylinder sectional area.
The control method of combinations of the above formula three-cylinder drier, wherein, three concentric drums both ends wheel belt) end face
Between 5mm~12mm, circular runout is controlled between 0.2mm~1mm for bounce control.
The control method of combinations of the above formula three-cylinder drier, wherein, control is hot into inner cylinder participation in the step e)
The gas temperature of exchange is 500 DEG C~750 DEG C.
The control method of combinations of the above formula three-cylinder drier, wherein, further include following outage:(S1) before shutting down
20-30 minutes, stop the fuel supply of hot-blast stove, while stop feeding;(S2) material in three concentric drums of dryer such as
After all unsnatching, decelerating motor is turned off;(S3) equipment of transport dry material is stopped;(S4) turned after shutting down every 10-15 minutes
A cylinder is moved, until untill the material in cylinder empties, and cylinder reaches natural cooling state.
The present invention contrast prior art has following beneficial effect:Combined three-cylinder dryer provided by the invention and its control
Method processed, using telescoping structure material drying, the both ends of the middle cylinder are respectively communicated with inner cylinder and outer barrel, material and thermal current edge
Three round-trip heat-shifts of cylinder, equipment volume can be greatly reduced, improve drying efficiency, while reduce the supply of thermal current
Amount, reduces energy consumption.
Brief description of the drawings
Fig. 1 is combined three-cylinder dryer structure diagram of the present invention;
Fig. 2 is the main machine structure schematic diagram of combined three-cylinder dryer of the present invention.
In figure:
1 host, 2 feed inlet, 3 discharge port
4 hot-blast stove, 5 air hose, 6 deduster
7 wind turbine, 8 smoke exhaust pipe, 11 outer barrel
13 inner cylinder of cylinder, 14 wheel belt in 12
15 support roller, 16 decelerator, 17 fulcrum bearing
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is combined three-cylinder dryer structure diagram of the present invention;Fig. 2 is the master of combined three-cylinder dryer of the present invention
Machine structure diagram.
Refer to Fig. 1 and Fig. 2, combined three-cylinder dryer provided by the invention, including host 1, one end of the host 1
Equipped with hot-blast stove 4, the other end of the host is equipped with deduster 6), wherein, outer barrel 11 of the host 1 including mutually embedding combination,
Middle cylinder 12 and inner cylinder 13, the outer barrel 11, middle cylinder 12 and inner cylinder 13 are three concentric drums with same central shaft, Mei Geyuan
Curved surface helical form lifting blade is equipped with cylinder, the inner cylinder 13 for feeding end 2 and is equipped with guide plate close to one end of hot-blast stove 4,
The outer barrel 11 is discharge end 3 close to one end of deduster 6, and one end of the middle cylinder 12 is connected with the other end of inner cylinder 13,
The other end of the middle cylinder 12 is connected with the other end of outer barrel 11, and the both ends of three concentric drums are respectively arranged with transmission
Support roller 15, the transmission support roller 15 are connected by wheel belt 14 with decelerating motor 16, and the transmission support roller 15 and decelerating motor 16 are solid
It is scheduled in fulcrum bearing 17.
Combined three-cylinder dryer provided by the invention, wherein, the discharge end 3 of the outer barrel 11 is provided with material closure
Plate;The discharge end 3 is equipped with dust cover and automatic blanking device, and the dust cover is connected by pipeline 5 with deduster 6, dedusting
Device 6 connects smoke exhaust pipe 8 by pipeline 5.
Combined three-cylinder dryer provided by the invention, wherein, the fulcrum bearing 17 is fixed on concrete substrate, described
Wedge is wedged between fulcrum bearing 17 and concrete substrate, so as to for adjusting the levelness and height of fulcrum bearing 17.
The present invention also provides a kind of control method of combinations of the above formula three-cylinder drier, wherein, include the following steps:
A) material to be dried is fed into dryer inner cylinder 13 by feeding end 2, material is entered by the guide plate of inner cylinder one end
Inner cylinder 13;
B) rotating cylinder, constantly lifts material by 13 curved surface helical form lifting blade of inner cylinder and is axially moved along inner cylinder,
So that material reaches the other end of inner cylinder 12, and the cylinder 12 in the effect of dead weight is fallen into;
C) under the action of middle 12 spiral lifting blade of cylinder, axial turn back of control material cylinder 12 in is moved until middle cylinder 12
The other end, material fall into outer barrel under Gravitative Loads;
D) under the action of 11 spiral lifting blade of outer barrel, control material continues to be advanced axially relative, until the discharging of outer barrel 11
End 3;
E) in material back and forth movement, control hot-blast stove 4 is blown along inner cylinder 13, middle cylinder 12, outer barrel 11 and is carried out with material
Heat exchange so that vapor is separated from material, is discharged into flue dust after deduster 6 in air.
Material end moisture content after drying is often below setting, and Producing reason is that heat supply is excessive or wet stock is fed
Measure it is on the low side, for this step a) control materials of the present invention in inner cylinder 13 filling sectional area for 13 sectional area of inner cylinder 10%~
20%;It is 500 DEG C~750 DEG C control in the step e) and participate in the gas temperature of heat exchange into inner cylinder 13.
The control method of combined three-cylinder dryer provided by the invention, wherein, three concentric drums both ends wheel belt
14 end face run-out is controlled between 5mm~12mm, and circular runout is controlled between 0.2mm~1mm, so as to ensure feeding along
Three concentric drums reliably transmit, and avoid solid accumulation.
In order to avoid residual material glues wall, the control method of combined three-cylinder dryer provided by the invention, wherein, also wrap
Include following outage:
(S1) 20-30 minutes before shutting down, stop the fuel supply of hot-blast stove 4, while stop feeding;
(S2) etc. after the material in three concentric drums of dryer is all unsnatched, decelerating motor 16 is turned off;
(S3) equipment of transport dry material is stopped;
(S4) cylinder was rotated every 10-15 minutes after shutting down, until the material emptying in cylinder, and cylinder reaches
Untill natural cooling.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and it is perfect, therefore the present invention protection model
Enclose to work as and be subject to what claims were defined.
Claims (9)
1. a kind of combined three-cylinder dryer, including host (1), one end of the host (1) is equipped with hot-blast stove (4), the master
The other end of machine is equipped with deduster (6), it is characterised in that the host (1) includes outer barrel (11), the middle cylinder (12) of mutually embedding combination
With inner cylinder (13), the outer barrel (11), middle cylinder (12) and inner cylinder (13) are three concentric drums with same central shaft, each
Curved surface helical form lifting blade is equipped with cylinder, the inner cylinder (13) for feeding end (2) and is equipped with close to one end of hot-blast stove (4)
Guide plate, the outer barrel (11) are discharge end (3), one end of the middle cylinder (12) and inner cylinder close to one end of deduster (6)
(13) the other end is connected, and the other end of the middle cylinder (12) is connected with the other end of outer barrel (11), and described three with one heart
The both ends of cylinder are respectively arranged with transmission support roller (15), and the transmission support roller (15) passes through wheel belt (14) and decelerating motor (16) phase
Even, the transmission support roller (15) and decelerating motor (16) are fixed in fulcrum bearing (17).
2. combined three-cylinder dryer as claimed in claim 1, it is characterised in that the discharge end (3) of the outer barrel (11) is set
It is equipped with material plugging plate.
3. combined three-cylinder dryer as claimed in claim 1, it is characterised in that the discharge end (3) be equipped with dust cover and
Automatic blanking device, the dust cover are connected by pipeline (5) with deduster (6).
4. combined three-cylinder dryer as claimed in claim 1, it is characterised in that the fulcrum bearing (17) is fixed on concrete
On matrix, the fulcrum bearing (17) wedges wedge between concrete substrate.
5. a kind of control method of combined three-cylinder dryer as claimed in claim 1, it is characterised in that including following step
Suddenly:
A) material to be dried is entered by feeding end (2) feeding dryer inner cylinder (13), material by the guide plate of inner cylinder one end
Inner cylinder (13);
B) rotating cylinder, constantly lifts material by inner cylinder (13) curved surface helical form lifting blade and is axially moved along inner cylinder, made
Obtain the other end that material reaches inner cylinder (12), and the cylinder (12) in the effect of dead weight is fallen into;
C) under the action of middle cylinder (12) spiral lifting blade, control material cylinder (12) in axially turns back movement until middle cylinder
(12) other end, material fall into outer barrel under Gravitative Loads;
D) under the action of outer barrel (11) spiral lifting blade, control material continues to be advanced axially relative, until the discharging of outer barrel (11)
Hold (3);
E) in material back and forth movement, control hot-blast stove (4) is along inner cylinder (13), middle cylinder (12), outer barrel (11) is blown and material
Carry out heat exchange so that vapor is separated from material, is discharged into flue dust after deduster (6) in air.
6. the control method of combined three-cylinder dryer as claimed in claim 1, it is characterised in that the step a) controls thing
It is the 10%~20% of inner cylinder (13) sectional area to expect the filling sectional area in inner cylinder (13).
7. the control method of combined three-cylinder dryer as claimed in claim 1, it is characterised in that three concentric drums
The end face run-out of both ends wheel belt (14) is controlled between 5mm~12mm, and circular runout is controlled between 0.2mm~1mm.
8. the control method of combined three-cylinder dryer as claimed in claim 1, it is characterised in that control in the step e)
The gas temperature that heat exchange is participated in into inner cylinder (13) is 500 DEG C~750 DEG C.
9. the control method of combined three-cylinder dryer as claimed in claim 1, it is characterised in that further include following shut down and walk
Suddenly:
(S1) 20-30 minutes before shutting down, stop the fuel supply of hot-blast stove (4), while stop feeding;
(S2) etc. after the material in three concentric drums of dryer is all unsnatched, decelerating motor (16) is turned off;
(S3) equipment of transport dry material is stopped;
(S4) cylinder was rotated every 10-15 minutes after shutting down, until the material emptying in cylinder, and cylinder reaches nature
Untill the state of cooling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711116096.8A CN107940935A (en) | 2017-11-13 | 2017-11-13 | Combined three-cylinder dryer and its control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711116096.8A CN107940935A (en) | 2017-11-13 | 2017-11-13 | Combined three-cylinder dryer and its control method |
Publications (1)
Publication Number | Publication Date |
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CN107940935A true CN107940935A (en) | 2018-04-20 |
Family
ID=61934882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711116096.8A Pending CN107940935A (en) | 2017-11-13 | 2017-11-13 | Combined three-cylinder dryer and its control method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115751874A (en) * | 2022-12-01 | 2023-03-07 | 浙江益森科技股份有限公司 | Drying and cooling device for materials |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2844810Y (en) * | 2005-09-02 | 2006-12-06 | 上海山水路桥机械设备有限公司 | Triple-cylinder drier |
CN101556106A (en) * | 2009-05-09 | 2009-10-14 | 江苏科行环境工程技术有限公司 | Novel three-cylinder dryer |
CN201508102U (en) * | 2009-09-01 | 2010-06-16 | 张井猛 | Double-barrel drying machine |
US20100223806A1 (en) * | 2009-02-18 | 2010-09-09 | Christian Labarde | Burner, installation and method for drying divided products using such a burner |
CN202229541U (en) * | 2011-09-06 | 2012-05-23 | 福建龙岩鸿宇烘干科技有限公司 | Labyrinth type dryer |
CN103471356A (en) * | 2013-09-22 | 2013-12-25 | 盐城市成功机械制造有限公司 | Semi-coke three-cylinder dryer |
CN204285994U (en) * | 2014-12-10 | 2015-04-22 | 郑州四维粮油工程技术有限公司 | The horizontal cool drying equipment of the sesame dregs of fat |
CN207487308U (en) * | 2017-11-13 | 2018-06-12 | 上海燕龙基再生资源利用有限公司 | Combined three-cylinder dryer |
-
2017
- 2017-11-13 CN CN201711116096.8A patent/CN107940935A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2844810Y (en) * | 2005-09-02 | 2006-12-06 | 上海山水路桥机械设备有限公司 | Triple-cylinder drier |
US20100223806A1 (en) * | 2009-02-18 | 2010-09-09 | Christian Labarde | Burner, installation and method for drying divided products using such a burner |
CN101556106A (en) * | 2009-05-09 | 2009-10-14 | 江苏科行环境工程技术有限公司 | Novel three-cylinder dryer |
CN201508102U (en) * | 2009-09-01 | 2010-06-16 | 张井猛 | Double-barrel drying machine |
CN202229541U (en) * | 2011-09-06 | 2012-05-23 | 福建龙岩鸿宇烘干科技有限公司 | Labyrinth type dryer |
CN103471356A (en) * | 2013-09-22 | 2013-12-25 | 盐城市成功机械制造有限公司 | Semi-coke three-cylinder dryer |
CN204285994U (en) * | 2014-12-10 | 2015-04-22 | 郑州四维粮油工程技术有限公司 | The horizontal cool drying equipment of the sesame dregs of fat |
CN207487308U (en) * | 2017-11-13 | 2018-06-12 | 上海燕龙基再生资源利用有限公司 | Combined three-cylinder dryer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115751874A (en) * | 2022-12-01 | 2023-03-07 | 浙江益森科技股份有限公司 | Drying and cooling device for materials |
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Application publication date: 20180420 |
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