CN202452802U - Brown coal roller dryer - Google Patents
Brown coal roller dryer Download PDFInfo
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- CN202452802U CN202452802U CN2012200700927U CN201220070092U CN202452802U CN 202452802 U CN202452802 U CN 202452802U CN 2012200700927 U CN2012200700927 U CN 2012200700927U CN 201220070092 U CN201220070092 U CN 201220070092U CN 202452802 U CN202452802 U CN 202452802U
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Abstract
The utility discloses a brown coal roller dryer which is used in the brown coal quality improving and drying process. A feeding preheating segment, a squirm drying segment, a pulverization limit drying segment and a discharging segment are arranged on the inner wall of a roller from the front to the back; the feeding preheating segment is mainly composed of a feeding helical blade and an anti-sticking type material raising mechanism, the squirm drying segment is mainly composed of squirm type material raising devices with different structures, the pulverization limit drying segment is divided into a plurality of cavities, and an anti-pulverization material raising device is arranged in each of the cavities and is fixed on the inner wall of an outer cylinder and on the rear portion of the squirm drying segment respectively; and the discharging segment and a discharging port are communicated and arranged at a tail end of the roller. The roller rotates by the drive of a gear assembly, as the segments in the roller are distributed scientifically, the design structures of material raising devices in all the segments are reasonable, during the drying process of the brown coal from the feeding preheating segment to the discharging segment, the drying efficiency, heat utilization efficiency and work efficiency are high.
Description
Technical field
The utility model relates to the novel brown coal roller drier of a kind of internal structure, is specially adapted to brown coal upgrading drying process, also can be used in the convection drying technology of coke-oven plant's breeze, blue charcoal etc. low sticking (not sticking) the non-temperature-sensitive mineral of property.
Background technology
Brown coal are grizzles of the brownish black of a kind of degree of coalification between mud coal and bituminous coal.Be brown, pitchy or black, do not have caking property, moisture is big, volatile matter is high, density is little, and caloric value is low, contains humic acid, and oxygen content is high, and easy-weathering is cracked in air.Present domestic maximum still cylindrical drier of in brown coal drying and upgrading technology, selecting for use.But existing old type roller drier internal structure is more backward, and it is inhomogeneous to form the material curtain, can't form full section material curtain; The thermal medium short circuit phenomenon is serious, causes the waste of heat, and old type roller drier is limit by the raising material unit structure; The material curtain layer that forms is parallel with the thermal medium direction of motion; Cause heat exchange efficiency low, drying effect is poor, and the brown coal of high-moisture are difficult to meet the requirements of moisture content index." it " font that moves into of old type roller drier material is moved, and in dry run, merges the induced effect of thermal medium again, and brown coal are short in the time of staying of drying machine, and brown coal also are not dried with regard to outside the discharge machine.Because of the variation in moisture reduction back internal structure of brown coal, its frangible efflorescence, brown coal powder accounts for suitable ratio in the finished product, is prone to cause the pollution of environment, and has reduced the economic benefit of brown coal.。
Summary of the invention
The goal of the invention of the utility model is to the prior art raising material unit simple in structure; It is low that material is held rate, and lifting is inhomogeneous, and the material curtain forms unreasonable; Material is short in the dryer inner time of staying; Brown coal are prone to deficiencies such as efflorescence, provide that a kind of preheating is abundant, lifting is even, and the material curtain forms rationally, raising material unit is novel, the brown coal roller drier of restriction brown coal efflorescence.
Realize that above-mentioned purpose adopts following technical scheme: a kind of brown coal roller drier; Comprise cylindrical shell; Cylindrical shell is provided with wheel band, gear drive, gear wheel band, and the wheel band supports the front portion that is positioned at cylindrical shell with supporting seat, and transmission device is made up of motor, reductor, big or small gear; The gear wheel band supports the rear portion that is positioned at cylindrical shell with the retaining supporting seat
A. on the inwall of said cylindrical shell by being divided into feeding preheating section, wriggling dryer section, restriction efflorescence dryer section, discharging section after going to successively;
B. the feeding preheating section mainly is made up of feed auger blade and antiseized formula lifting mechanism; Helical blade is fixed on the inwall of cylindrical shell; Antiseized formula lifting mechanism is divided into multiple version, and the antiseized formula lifting mechanism of multiple version is screwed onto the front portion of cylinder inboard wall respectively according to distributing order;
C. the dryer section of wriggling mainly is made up of the creeping motion type raising material unit of different structure form; The creeping motion type raising material unit is divided into multiple structure; The creeping motion type raising material unit of multiple structure is fixed on the inwall of cylindrical shell according to distributing order respectively, is positioned at the rear portion of feeding preheating section;
D. limit the efflorescence dryer section and be divided into a plurality of cavitys, be respectively arranged with anti-efflorescence raising material unit in each cavity, anti-efflorescence raising material unit is separately fixed at the rear portion that is positioned at the wriggling dryer section on the inwall of urceolus;
E. discharging section communicates with discharging opening and is positioned at the tail end of cylindrical shell.
As preferred version, the antiseized formula lifting mechanism of described feeding preheating section is made up of L shaped metallic plate, triangle metal sheet, arc sheetmetal, a spoon shape metallic plate, configurates at interval according to the difference of geometry, is fixed on according to the order of sequence on the circumference of cylinder inboard wall.
As preferred version, the wriggling raising material unit is made up of ∪ shape, spoon shape metallic plate, and ∪ shape, spoon shape wriggling raising material unit configurate at interval, are fixed on according to the order of sequence on the circumference of cylinder inboard wall.
As preferred version, anti-efflorescence raising material unit is made up of a plurality of spoonfuls of shapes, L shaped, arc sheetmetal, and a plurality of spoonfuls of shapes, L shaped, arc be spaced set according to the order of sequence, is fixed on successively on the circumference of cylinder inboard wall.
Adopt technique scheme, compared with prior art, the utility model barrel section science of arranging, the raising material unit project organization of each section is rationally novel, the science of arranging.Because the raising material unit structure and the effect of each section have nothing in common with each other, also can do suitably adjustment according to brown coal performance and geographic climate.Brown coal from feeding preheating section to discharge section, pass through each section successively in the process of drying, drying efficiency is high, and heat utilization efficiency is high, high efficiency.Be specially adapted to brown coal upgrading drying process, the convection drying technology of coke-oven plant's breeze, blue charcoal etc. low sticking (not sticking) the non-temperature-sensitive mineral of property.
Description of drawings
Fig. 1 is that the utility model structure is formed total figure.
Fig. 2 is the whole half-sectional view of the utility model internal structure subregion and anti-efflorescence device.
Fig. 3, Fig. 4 are the sectional drawings of the utility model feeding preheating section.
Fig. 5 is the sectional drawing of the utility model wriggling dryer section.
Fig. 6 is the sectional drawing of the anti-efflorescence dryer section of the utility model.
Among the figure, charging aperture 1, cylindrical shell 2; Wheel band supporting seat 3; Transmission device 4, gear wheel band supporting seat 5, discharging opening 6, gear wheel band 7; Wheel is with 8, feeding preheating section 9, wriggling dryer section 10, restriction efflorescence dryer section 11, discharging section 12, helical blade 13, L shaped metallic plate 14, triangle metal sheet 15, arc sheetmetal 16, spoon shape metallic plate 17, ∪ shape metallic plate 18, cavity 19.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further description.
Present embodiment is a kind of brown coal roller drier; Its structure is seen Fig. 1, and the cylindrical shell 2 of drying machine is provided with that wheel is with 8, transmission device 4, gear wheel band 7, and wheel is positioned at the front portion of cylindrical shell 2 with 3 supports of 8 usefulness supporting seats; Transmission device 4 is made up of motor, reductor, big or small gear; Gear wheel band 7 usefulness retaining supporting seat 5 supports the rear portion that is positioned at cylindrical shell 2, and cylindrical shell 2 rotates under the drive of transmission device 4 transmissions, drives the device and the brown coal action that are installed on cylindrical shell 2 inside; Brown coal are kicked up, unrestrained fully contacted heat exchange, drying with the flue gas of passing through.
See Fig. 2, on the inwall of cylindrical shell 2 by being divided into feeding preheating section 9, wriggling dryer section 10, restriction efflorescence dryer section 11, discharging section 12 after going to successively.
See Fig. 2, see Fig. 3, Fig. 4, feeding preheating section 9 is made up of with antiseized formula lifting mechanism feed auger blade 13, and helical blade 13 is fixed on the inwall of cylindrical shell 2, is positioned at the front end of cylindrical shell 2.The antiseized formula lifting mechanism of feeding preheating section is made up of the metallic plate of multiple geometry, configurates at interval according to the difference of geometry, is fixed on according to the order of sequence on the circumference of cylinder inboard wall.See Fig. 3, Fig. 4 forms antiseized formula lifting mechanism by L shaped metallic plate 14, triangle metal sheet 15, arc sheetmetal 16, a spoon shape metallic plate 17.The antiseized formula lifting mechanism of multiple version is intervally arranged according to the geometry of itself, and the distributing order of Fig. 3 is, L shaped metallic plate 14, triangle metal sheet 15, arc sheetmetal 16.Antiseized formula lifting mechanism can also be designed to the version of Fig. 4, and its distributing order is, L shaped metallic plate 14, triangle metal sheet 15, spoon shape metallic plate 17, and the metallic plate of multiple structure equidistantly is screwed onto the front portion of cylindrical shell 2 inwalls respectively successively according to distributing order.
See Fig. 5; The wriggling dryer section is made up of the creeping motion type raising material unit of two kinds of different structure forms; The creeping motion type raising material unit is made up of ∪ shape, spoon shape metallic plate 18,17; ∪ shape, spoon shape metallic plate 18,17 configurate at interval, are fixed on according to the order of sequence on the circumference of cylindrical shell 2 inwalls, are positioned at the rear portion of feeding preheating section.Wherein the two ends of ∪ shape metallic plate 18 and barrel are spirally connected, and the kettleholder end and the barrel of spoon shape metallic plate 17 are spirally connected, according to man-to-man distributing order.
See Fig. 6; Restriction efflorescence dryer section is divided into three cavitys 19; Angle between cavity and cavity is 120 °, is respectively arranged with anti-efflorescence raising material unit in each cavity 19, and anti-efflorescence raising material unit is made up of a plurality of spoonfuls of shapes, L shaped, triangle metal sheet 17,14,15; A plurality of spoonfuls of shapes, L shaped, triangle metal sheet 17,14,15 be spaced set according to the order of sequence; The anti-distributing order of efflorescence raising material unit cavity 19 in is: arc, L shaped, arc, spoon shape, be fixed on successively on the circumference of cylindrical shell 2 inwalls, and be positioned at the rear portion of the dryer section of wriggling.The quantity of cavity 19 can change according to cylindrical shell 2 diameter variation.Its arrangement form also can change with cylindrical shell 2 diameter variation.
See Fig. 1, discharging section 12 communicates with discharging opening 6 and is positioned at the tail end of cylindrical shell 2.
The utility model Fig. 3, Fig. 4, the direction of arrow shown in Figure 6 are the direction of motion, and the metallic plate of described different shape is a steel plate.
The course of work of the utility model and principle:
The design philosophy of the utility model is: is several storehouse sections (section) according to drying mechanism with brown coal roller drier internal separation, and the structure and the effect of each storehouse section have nothing in common with each other, and also can do suitably adjustment according to brown coal performance and geographic climate.
Brown coal get into the feeding preheating stage from charging aperture 1, under the effect of the antiseized formula raising material unit of feed auger blade 13 and various structures, and collision between the brown coal particle, friction, fully preheating.Got into the wriggling dryer section by the brown coal of preheating; Under the effect of different structure form and the wriggling raising material unit that is arranged in a combination, make material form not only thin but also even layer by layer " material curtain ", increased the contact area of material and thermal current; Time of contact, the contact direction.The material curtain is that scarf forms with the flue gas direction, has changed the contact direction of thermal medium with material, and the partial material helical form advances; Partial material helical form rollback; Material mass motion mode is a undulation, has prolonged the interior time of staying of machine of material, has strengthened the heat transfer and the mass transfer of material.Material gets into restriction efflorescence dryer section, and lower at the brown coal moisture of this storehouse section, it is cracked that brown coal are prone to efflorescence; The raising material unit of this section divides the chamber lifting, does not intersect mutually, reduces material kinetic energy; Prevent the material efflorescence; The area of an amount of enlargement steps down " wind-tunnel " keeps enough diffusion space, and necessary relative velocity of acceleration hydrone translational speed rate and subnormal ambient are provided.Discharging section is not established any device, discharge by the discharging opening 6 of discharging section 12 through the brown coal of super-dry, through the brown coal of super-dry at this section by the cylinder landing to nesting box.
Claims (4)
1. brown coal roller drier; Comprise cylindrical shell, cylindrical shell is provided with wheel band, gear drive, gear wheel band, and the wheel band supports the front portion that is positioned at cylindrical shell with supporting seat; Transmission device is made up of motor, reductor, big or small gear; The gear wheel band supports the rear portion that is positioned at cylindrical shell with the retaining supporting seat, it is characterized in that
A. on the inwall of said cylindrical shell by being divided into feeding preheating section, wriggling dryer section, restriction efflorescence dryer section, discharging section after going to successively;
B. the feeding preheating section mainly is made up of feed auger blade and antiseized formula lifting mechanism; Helical blade is fixed on the inwall of cylindrical shell; Antiseized formula lifting mechanism is divided into multiple version, and the antiseized formula lifting mechanism of multiple version is screwed onto the front portion of cylinder inboard wall respectively according to distributing order;
C. the dryer section of wriggling mainly is made up of the creeping motion type raising material unit of different structure form, wriggles
The dynamic formula raising material unit is divided into multiple structure, and the creeping motion type raising material unit of multiple structure is fixed on the inwall of cylindrical shell according to distributing order respectively, is positioned at the rear portion of feeding preheating section;
D. limit the efflorescence dryer section and be divided into a plurality of cavitys, be respectively arranged with anti-efflorescence raising material unit in each cavity, anti-efflorescence raising material unit is separately fixed at the rear portion that is positioned at the wriggling dryer section on the inwall of urceolus;
E. discharging section communicates with discharging opening and is positioned at the tail end of cylindrical shell.
2. brown coal roller drier according to claim 1; It is characterized in that; The antiseized formula lifting mechanism of described feeding preheating section is made up of L shaped metallic plate, triangle metal sheet, arc sheetmetal, a spoon shape metallic plate; Difference according to geometry configurates at interval, is fixed on according to the order of sequence on the circumference of cylinder inboard wall.
3. brown coal roller drier according to claim 1 is characterized in that, the wriggling raising material unit is made up of ∪ shape, spoon shape metallic plate, and ∪ shape, spoon shape metallic plate configurate at interval, are fixed on according to the order of sequence on the circumference of cylinder inboard wall.
4. brown coal roller drier according to claim 1 is characterized in that, the efflorescence raising material unit is made up of a plurality of spoonfuls of shapes, L shaped, arc sheetmetal, and a plurality of spoonfuls of shapes, L shaped, arc sheetmetal be spaced set according to the order of sequence, is fixed on successively on the circumference of cylinder inboard wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200700927U CN202452802U (en) | 2012-02-29 | 2012-02-29 | Brown coal roller dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200700927U CN202452802U (en) | 2012-02-29 | 2012-02-29 | Brown coal roller dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202452802U true CN202452802U (en) | 2012-09-26 |
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ID=46868663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200700927U Expired - Fee Related CN202452802U (en) | 2012-02-29 | 2012-02-29 | Brown coal roller dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202452802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965173A (en) * | 2012-11-07 | 2013-03-13 | 中国重型机械研究院股份公司 | Step-by-step modification upgrading system of brown coal |
| CN109405477A (en) * | 2017-08-16 | 2019-03-01 | 万华生态板业股份有限公司 | Drying device |
-
2012
- 2012-02-29 CN CN2012200700927U patent/CN202452802U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965173A (en) * | 2012-11-07 | 2013-03-13 | 中国重型机械研究院股份公司 | Step-by-step modification upgrading system of brown coal |
| CN109405477A (en) * | 2017-08-16 | 2019-03-01 | 万华生态板业股份有限公司 | Drying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20160229 |