CN202719855U - Double-casing rotary drying kiln - Google Patents
Double-casing rotary drying kiln Download PDFInfo
- Publication number
- CN202719855U CN202719855U CN 201220387476 CN201220387476U CN202719855U CN 202719855 U CN202719855 U CN 202719855U CN 201220387476 CN201220387476 CN 201220387476 CN 201220387476 U CN201220387476 U CN 201220387476U CN 202719855 U CN202719855 U CN 202719855U
- Authority
- CN
- China
- Prior art keywords
- kiln
- urceolus
- rotary drying
- inner core
- hot solids
- 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.)
- Expired - Lifetime
Links
- 238000001035 drying Methods 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 80
- 239000011343 solid material Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 65
- 238000007789 sealing Methods 0.000 claims description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 14
- 239000003546 flue gas Substances 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 4
- 239000003077 lignite Substances 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000008676 import Effects 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a double-casing rotary drying kiln. The double-casing rotary drying kiln comprises a kiln head, a kiln tail and a drying barrel, wherein the drying barrel is connected with the kiln head and the kiln tail in a pivot rotation mode, the drying barrel comprises an outer barrel and an inner barrel which is connected with the outer barrel, the outer barrel is sleeved outside the inner barrel, a first passage where hot solid materials pass through is formed between the outer barrel and the inner barrel, and a second passage where hot smoke and to-be-dried wet materials pass through is formed inside the inner barrel. When the double-casing rotary drying kiln works, the wet materials are simultaneously dried by the hot smoke inside the inner barrel and the hot solid materials outside the inner barrel. Therefore, the sensible heat of the hot solid materials is fully utilized, the heat efficiency and safety are improved, and the double-casing rotary drying kiln is particularly suitable for drying of wet coal in the pyrolytic process of lignite.
Description
Technical field
The utility model relates to chemical machinery field, more specifically, relates to a kind of pair of sleeve rotary drying kiln.
Background technology
Rotary drying kiln is widely used in fields such as chemical industry, and it is large to be applicable to treating capacity, the granular material that moisture content is less.The cylindrical shell of rotary drying kiln of the prior art is generally the slightly turning circle cylindrical shell of inclination, and wet stock to be dried is added by an end of cylindrical shell, then forms the effective purpose that reaches dry that contacts by cylindrical shell and hot blast or heating wall.
Different according to the heated mode of wet stock, rotary drying kiln is broadly divided into box-like three kinds of internal heat type, external-heat and inside and outside thermojunction.Wherein, internal heat type refers to that gas heat carrier also flows with wet stock or adverse current directly contacts in cylindrical shell; External-heat refers to that the thermal source in the barrel outside of cylindrical shell is by barrel and wet stock indirect heat transfer; And combination of inner and outside formula refers to hot blast first by cylinder body outer wall and material indirect heat exchange, and baffling enters cylindrical shell and wet stock direct heat transfer then.
Under some process conditions, rotary drying kiln of the prior art can't utilize the sensible heat of hot solids granule materials, efficiency lower.For example, in the time of need to being cooled to the product that is fit to transportation to hot solids, just can't utilize these sensible heats at drying section.
In addition, rotary drying kiln of the prior art is when the larger material of drier dust, and sealing property is relatively poor.Particularly in brown coal drying, material itself can collapse broken, and when rotary drying kiln was poorly sealed, the trace harmful gases that discharges in coal dust and the coal heating process can cause very large impact to environment.
The utility model content
The utility model aims to provide a kind of pair of sleeve rotary drying kiln, with the problem of the sensible heat that can't utilize the hot solids granule materials that solves prior art.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of pair of sleeve rotary drying kiln, comprising: kiln hood; The kiln tail; Drying, drying are connected with the kiln tail with kiln hood and are connected; Drying comprises urceolus and the inner core that is connected with urceolus, and urceolus is enclosed within the outside of inner core; Form the first passage that the heat supply solid material passes through between urceolus and the inner core; The inside formation heat supply flue gas of inner core and the second channel that wet stock to be dried passes through.
Further, be provided with the first inner core sealing unit between inner core and the kiln hood, be provided with the second inner core sealing unit between inner core and the kiln tail.
Further, two sleeve rotary drying kilns also comprise hot solids material inlet assembly, the relative urceolus of hot solids material inlet assembly arranges regularly, at least a portion of urceolus is located in the hot solids material inlet assembly pivotly, and is provided with the first urceolus sealing unit between hot solids material inlet assembly and the urceolus.
Further, two sleeve rotary drying kilns also comprise urceolus hot solids material outlet assembly, the relative urceolus of urceolus hot solids material outlet assembly arranges regularly, at least a portion of urceolus is located in the urceolus hot solids material outlet assembly pivotly, and is provided with the second urceolus sealing unit between urceolus hot solids material outlet assembly and the urceolus.
Further, two sleeve rotary drying kilns also comprise the first kiln head cover and the first kiln hood; One end of the first kiln head cover is connected with kiln hood, and the other end of the first kiln head cover is connected with the first side of hot solids material inlet assembly; One end of the first kiln hood is connected with the kiln tail, and the other end of the first kiln hood is connected with the first side of urceolus hot solids material outlet assembly.
Further, be provided with inflation inlet and/or exhaust outlet on the first kiln head cover and/or the first kiln hood.
Further, two sleeve rotary drying kilns also comprise the second kiln head cover and the second kiln hood; The second kiln head cover is connected with the second side of hot solids material inlet assembly; The second kiln hood is connected with the second side of urceolus hot solids material outlet assembly.
Further, be provided with the 3rd urceolus sealing unit between the second kiln head cover and the urceolus, be provided with the cylinder sealing unit all round between the second kiln hood and the urceolus.
Further, hot solids material inlet assembly comprises housing, charging aperture, two ring baffles and a plurality of feed spacer, charging aperture is arranged on the housing, ring baffle links to each other with urceolus, the both sides of charging aperture are respectively arranged with one ring baffle, a plurality of feed spacer are arranged between two ring baffles, form feeding warehouse between adjacent two feed spacer and two ring baffles, are provided with the charging aperture corresponding with feeding warehouse on the urceolus.
Further, the inside of inner core is provided with flight.
Further, be provided with deflector on the outer wall of inner core.
The utility model is when work, its wet stock is subject to the drying of the hot solids material of hot flue gas in the inner core and inner core outside simultaneously, thereby, take full advantage of the sensible heat of hot solids material, improved the thermal efficiency and security, the wet coal that is specially adapted in the brown coal pyrolytic process is dry.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown structural representation of the present utility model;
Fig. 2 has schematically shown the connection diagram of drying and hot solids material inlet assembly;
Fig. 3 has schematically shown the local connection diagram of urceolus and hot solids material inlet assembly;
Fig. 4 has schematically shown the axial view of drying; And
Fig. 5 has schematically shown the left view of Fig. 4.
Reference numeral among the figure: 10, kiln hood; 11, wet stock import; 12, hot gas approach; 20, kiln tail; 21, flue tail gas outlet; 22, dry material outlet; 30, drying; 31, urceolus; 32, inner core; 32a, flight; 32b, deflector; 41, the first inner core sealing unit; 42, the second inner core sealing unit; 43, the first urceolus sealing unit; 44, the second urceolus sealing unit; 45, the 3rd urceolus sealing unit; 46, the cylinder sealing unit all round; 50, hot solids material inlet assembly; 51, housing; 52, charging aperture; 53, feed spacer; 54, baffle plate; 55, feeding warehouse; 60, the first kiln head cover; 70, the first kiln hood; 80, the second kiln head cover; 90, the second kiln hood; 100, urceolus hot solids material outlet assembly; 101, urceolus material outlet.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 1, a kind of pair of sleeve rotary drying kiln comprises: kiln hood 10; Kiln tail 20; Drying 30, drying 30 are connected with the kiln tail with kiln hood 10 and are connected pivotly; Drying 30 comprises urceolus 31 and the inner core 32 that is connected with urceolus 31, and urceolus 31 is enclosed within the outside of inner core 32; Form the first passage that the heat supply solid material passes through between urceolus 31 and the inner core 32; The inside formation heat supply flue gas of inner core 32 and the second channel that wet stock to be dried passes through.
During work, drying 30 is pivotably mounted on the base, is provided with the motor (not shown) on the base, and under the driving of motor, drying 30 begins to rotate.Preferably, be provided with certain inclination angle (for example 2% gradient) between drying and the water surface face.Wet stock to be dried and hot flue gas are transported in the inner core 32, are moved to the direction of kiln tail by kiln hood in the mode that also flows.Simultaneously, the hot solids material is transported in the gap between inner core 32 and the urceolus 31, also by the direction motion of kiln hood to the kiln tail.Like this, wet stock is subject to the drying of the hot solids material of hot flue gas in the inner core 32 and inner core 32 outsides simultaneously, thereby, take full advantage of the sensible heat of hot solids material, improved the thermal efficiency and security, the wet coal that is specially adapted in the brown coal pyrolytic process is dry.
Preferably, as shown in Figure 1, be provided with wet stock import 11 at kiln hood 10, wet stock to be dried enters in the inner core 32 via wet stock import 11.Preferably, also be provided with hot gas approach 12 on kiln hood 10, hot flue gas is entered in the kiln hood 10 by hot gas approach 12, and then enters inner core 32.Wet stock import 11 arranges obliquely towards the direction of inner core 32, and like this, wet stock just can be transported to the inner core 32 from wet stock import 11.Preferably, on kiln tail 20, also be provided with flue tail gas outlet 21 and dry material outlet 22, to discharge respectively dried tail gas and dry material.
Preferably, be provided with the first inner core sealing unit 41 between inner core 32 and the kiln hood 10, be provided with the second inner core sealing unit 42 between inner core 32 and the kiln tail 20.The first inner core sealing unit 41 is used for forming movable sealing between inner core 32 and kiln hood 10, to prevent flowing to the outside by the hot flue gas that the hot gas approach 12 on the kiln hood 10 enters, causes security incident.In like manner, the second inner core sealing unit 42 is used for forming movable sealing between inner core 32 and kiln tail 20, to prevent by the flue tail gas in the kiln tail 20 by the effusion of the gap between kiln tail 20 and the inner core 32.Preferably, the first inner core sealing unit 41, the second inner core sealing unit 42 are stainless steel shell fragment sealing rings.
Preferably, two sleeve rotary drying kilns also comprise hot solids material inlet assembly 50, hot solids material inlet assembly 50 relative urceolus 31 arrange regularly, at least a portion of urceolus 31 is located in the hot solids material inlet assembly 50 pivotly, and is provided with the first urceolus sealing unit 43 between hot solids material inlet assembly 50 and the urceolus 31.The first urceolus sealing unit 43 is set between hot solids material inlet assembly 50 and urceolus 31, can prevents that the flue gas in the urceolus 31 from outwards overflowing through hot solids material inlet assembly 50, to avoid the generation of security incident.Preferably, the first urceolus sealing unit 43 is stainless steel shell fragment sealing rings.
Preferably, two sleeve rotary drying kilns also comprise urceolus hot solids material outlet assembly 100, urceolus hot solids material outlet assembly 100 relative urceolus 31 arrange regularly, at least a portion of urceolus 31 is located in the urceolus hot solids material outlet assembly 100 pivotly, and is provided with the second urceolus sealing unit 44 between urceolus hot solids material outlet assembly 100 and the urceolus 31.As shown in Figure 1, the below of urceolus hot solids material outlet assembly 100 is provided with urceolus material outlet 101, and the hot solids material is discharged by urceolus material outlet 101.The second urceolus sealing unit 44 is set between urceolus hot solids material outlet assembly 100 and urceolus 31, can prevents that the flue gas in the urceolus 31 from outwards overflowing through urceolus hot solids material outlet assembly 100, to avoid the generation of security incident.During work, entered the hot solids material of urceolus 31 by hot solids material inlet assembly 50 by the direction of kiln hood to the kiln tail, move in the gap between urceolus and inner core, and finally discharged by urceolus hot solids material outlet assembly 100.Preferably, the second urceolus sealing unit 44 is stainless steel shell fragment sealing rings.
Preferably, two sleeve rotary drying kilns also comprise the first kiln head cover 60 and the first kiln hood 70; One end of the first kiln head cover 60 is connected with kiln hood 10, and the other end of the first kiln head cover 60 is connected with the first side of hot solids material inlet assembly 50; One end of the first kiln hood 70 is connected with kiln tail 20, and the other end of the first kiln hood 70 is connected with the first side of urceolus hot solids material outlet assembly 100.Can better the regional seal between kiln hood 10 and the hot solids material inlet assembly 50 be got up by the first kiln head cover 60, prevent from further being spread to the outside by the flue gas that the first inner core sealing unit 41 of a side is overflowed.Can better the regional seal between kiln tail 20 and the urceolus hot solids material outlet assembly 100 be got up by the first kiln hood 70, prevent from further being spread to the outside by the flue gas that the second inner core sealing unit 42 of a side is overflowed.Especially, be provided with inflation inlet and/or exhaust outlet on the first kiln head cover 60 and/or the first kiln hood 70.By this inflation inlet, can be filled with the gas of the inertia such as nitrogen in the first kiln head cover 60 and the first kiln hood 70, can make the gas in each sealing unit in an organized way enter chimney by exhaust outlet, thereby reach the effect of gas barrier, improve the security of equipment.
Preferably, two sleeve rotary drying kilns also comprise the second kiln head cover 80 and the second kiln hood 90; The second kiln head cover 80 is connected with the second side of hot solids material inlet assembly 50; The second kiln hood 90 is connected with the second side of urceolus hot solids material outlet assembly 100.Can respectively the flue gas of being overflowed by the first inner core sealing unit 41 and the second inner core sealing unit 42 of opposite side be limited in the specific space by the second kiln head cover 80 and the second kiln hood 90, cause security incident to prevent from overflowing.Preferably, be provided with between the second kiln head cover 80 and the urceolus 31 and be provided with the cylinder sealing unit 46 all round between the 3rd urceolus sealing unit 45, the second kiln hoods 90 and the urceolus 31.Preferably, the 3rd urceolus sealing unit 45, all round a cylinder sealing unit 46 are stainless steel shell fragment sealing rings.Especially, be provided with inflation inlet and/or exhaust outlet on the second kiln head cover 80 and/or the second kiln hood 90.By this inflation inlet, can be filled with the gas of the inertia such as nitrogen in the second kiln head cover 80 and the second kiln hood 90, can make the gas in each sealing unit in an organized way enter chimney by exhaust outlet, thereby reach the effect of gas barrier, improve the security of equipment.
Preferably, as shown in Figures 2 and 3, hot solids material inlet assembly 50 comprises for example 3-5 of housing 51, charging aperture 52, two ring baffles 54 and a plurality of feed spacer 53(), charging aperture 52 is arranged on the housing 51, ring baffle 54 links to each other with urceolus 31, the both sides of charging aperture 52 are respectively arranged with one ring baffle 54, a plurality of feed spacer 53 are arranged between two ring baffles 54, form feeding warehouse 55 between adjacent two feed spacer 53 and two ring baffles 54, be provided with the charging aperture corresponding with feeding warehouse 55 on the urceolus 31.In the process that urceolus 31 rotates, the hot solids material is fallen in each feeding warehouse successively by charging aperture 52, and then enters urceolus 31 by the charging aperture on each feeding warehouse.Preferably, feed spacer 53 arranges obliquely with the axis of urceolus 31.
As shown in Figure 4 and Figure 5, the inside of inner core 32 is provided with flight 32a.Be provided with deflector 32b on the outer wall of inner core 32.Enter hot solids material in the urceolus 31 under the water conservancy diversion of deflector 32b, by the direction motion of kiln hood to the kiln tail, thereby can not fallen down by other feeding warehouse place on the urceolus 31.Preferably, deflector 32b is (for example the becoming 15 degree angles) that the axis with respect to urceolus is obliquely installed, like this, when the urceolus space formed the dead band, it was roughly the same by the time of staying of inner core by the time of staying and the wet stock of urceolus to satisfy the hot solids material in the time of both can avoiding the transporting hot solid material.Preferably, flight 32a is that parallel with the axis of inner core or slightly with angle (for example becoming 5 degree angles) arranges.Utilize flight 32a the wet stock in the inner core can be taken up and come, like this, take up and in the process that falls, wet stock forms the material curtain, is beneficial to contact fully with hot flue gas, thereby has improved dry efficient at wet stock.In addition, deflector 32b and flight 32a can improve the distribution of material in drying, strengthen the heat exchange of inner/outer tube storeroom, optimize the dry materials process of inner core.
Need to prove that the utility model can use different materials in different applications.The version of each sealing unit can use the flexure strip of difformity different materials to form, and the inert gas that respectively is used for filling in the cover of sealing can use nitrogen, can consider to use other inert gases depending on the applied environment difference.When drying requires and heat transfer condition when changing, can adjust the inclination angle of drying.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. a two sleeve rotary drying kiln is characterized in that, comprising:
Kiln hood (10);
Kiln tail (20);
Drying (30), described drying (30) and described kiln hood (10) be connected kiln tail (20) and be connected pivotly; Described drying (30) comprises urceolus (31) and the inner core (32) that is connected with described urceolus (31), and described urceolus (31) is enclosed within the outside of described inner core (32);
Form the first passage that the heat supply solid material passes through between described urceolus (31) and the described inner core (32); The inside formation heat supply flue gas of described inner core (32) and the second channel that wet stock to be dried passes through.
2. according to claim 1 pair of sleeve rotary drying kiln, it is characterized in that, be provided with the first inner core sealing unit (41) between described inner core (32) and the described kiln hood (10), be provided with the second inner core sealing unit (42) between described inner core (32) and the described kiln tail (20).
3. according to claim 1 pair of sleeve rotary drying kiln, it is characterized in that, described pair of sleeve rotary drying kiln also comprises hot solids material inlet assembly (50), the relatively described urceolus of described hot solids material inlet assembly (50) (31) arranges regularly, at least a portion of described urceolus (31) is located in the described hot solids material inlet assembly (50) pivotly, and is provided with the first urceolus sealing unit (43) between described hot solids material inlet assembly (50) and the described urceolus (31).
4. according to claim 3 pair of sleeve rotary drying kiln, it is characterized in that, described pair of sleeve rotary drying kiln also comprises urceolus hot solids material outlet assembly (100), the relatively described urceolus of described urceolus hot solids material outlet assembly (100) (31) arranges regularly, at least a portion of described urceolus (31) is located in the described urceolus hot solids material outlet assembly (100) pivotly, and is provided with the second urceolus sealing unit (44) between described urceolus hot solids material outlet assembly (100) and the described urceolus (31).
5. according to claim 4 pair of sleeve rotary drying kiln is characterized in that, described pair of sleeve rotary drying kiln also comprises the first kiln head cover (60) and the first kiln hood (70); One end of described the first kiln head cover (60) is connected with described kiln hood (10), and the other end of described the first kiln head cover (60) is connected with the first side of described hot solids material inlet assembly (50); One end of described the first kiln hood (70) is connected with described kiln tail (20), and the other end of described the first kiln hood (70) is connected with the first side of described urceolus hot solids material outlet assembly (100).
6. according to claim 5 pair of sleeve rotary drying kiln is characterized in that, is provided with inflation inlet and/or exhaust outlet on described the first kiln head cover (60) and/or described the first kiln hood (70).
7. according to claim 5 pair of sleeve rotary drying kiln is characterized in that, described pair of sleeve rotary drying kiln also comprises the second kiln head cover (80) and the second kiln hood (90); Described the second kiln head cover (80) is connected with the second side of described hot solids material inlet assembly (50); Described the second kiln hood (90) is connected with the second side of described urceolus hot solids material outlet assembly (100).
8. according to claim 7 pair of sleeve rotary drying kiln, it is characterized in that, be provided with the 3rd urceolus sealing unit (45) between described the second kiln head cover (80) and the described urceolus (31), be provided with the cylinder sealing unit (46) all round between described the second kiln hood (90) and the described urceolus (31).
9. each described pair of sleeve rotary drying kiln according to claim 3-8, it is characterized in that, described hot solids material inlet assembly (50) comprises housing (51), charging aperture (52), two ring baffles (54) and a plurality of feed spacer (53), described charging aperture (52) is arranged on the described housing (51), described ring baffle (54) links to each other with described urceolus (31), the both sides of described charging aperture (52) are respectively arranged with a described ring baffle (54), described a plurality of feed spacer (53) is arranged between described two ring baffles (54), form feeding warehouse (55) between adjacent two described feed spacer (53) and described two ring baffles (54), be provided with the charging aperture corresponding with described feeding warehouse (55) on the described urceolus (31).
10. each described pair of sleeve rotary drying kiln is characterized in that according to claim 1-8, and the inside of described inner core (32) is provided with flight (32a).
11. each described pair of sleeve rotary drying kiln is characterized in that according to claim 1-8, is provided with deflector (32b) on the outer wall of described inner core (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387476 CN202719855U (en) | 2012-08-06 | 2012-08-06 | Double-casing rotary drying kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387476 CN202719855U (en) | 2012-08-06 | 2012-08-06 | Double-casing rotary drying kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719855U true CN202719855U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220387476 Expired - Lifetime CN202719855U (en) | 2012-08-06 | 2012-08-06 | Double-casing rotary drying kiln |
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| CN (1) | CN202719855U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267410A (en) * | 2013-05-22 | 2013-08-28 | 中联重科股份有限公司 | Drum-type drying device |
| CN106152734A (en) * | 2015-04-07 | 2016-11-23 | 神华集团有限责任公司 | Dry materials method and rotary drying system |
| CN107655310A (en) * | 2017-09-30 | 2018-02-02 | 江苏金石研磨有限公司 | A kind of natural gas heat supply ceramic fine bead flash baking system |
| CN109731891A (en) * | 2019-03-06 | 2019-05-10 | 石磊 | A kind of refund up and down turns garbage dewatering device |
| CN110726296A (en) * | 2019-11-19 | 2020-01-24 | 重庆科技学院 | Novel double-shaft hollow blade and external heat rotary drum cooperative rotary drying device |
| CN111059543A (en) * | 2019-12-13 | 2020-04-24 | 重庆科技学院 | Two segmentation double-oar leaf waste treatment device |
-
2012
- 2012-08-06 CN CN 201220387476 patent/CN202719855U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267410A (en) * | 2013-05-22 | 2013-08-28 | 中联重科股份有限公司 | Drum-type drying device |
| CN103267410B (en) * | 2013-05-22 | 2016-02-03 | 中联重科股份有限公司 | Drum-type drying device |
| CN106152734A (en) * | 2015-04-07 | 2016-11-23 | 神华集团有限责任公司 | Dry materials method and rotary drying system |
| CN107655310A (en) * | 2017-09-30 | 2018-02-02 | 江苏金石研磨有限公司 | A kind of natural gas heat supply ceramic fine bead flash baking system |
| CN109731891A (en) * | 2019-03-06 | 2019-05-10 | 石磊 | A kind of refund up and down turns garbage dewatering device |
| CN109731891B (en) * | 2019-03-06 | 2023-09-12 | 石磊 | Up-down rotary garbage dewatering device |
| CN110726296A (en) * | 2019-11-19 | 2020-01-24 | 重庆科技学院 | Novel double-shaft hollow blade and external heat rotary drum cooperative rotary drying device |
| CN111059543A (en) * | 2019-12-13 | 2020-04-24 | 重庆科技学院 | Two segmentation double-oar leaf waste treatment device |
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