CN105783458A - Drying roller system for uniformly heating - Google Patents
Drying roller system for uniformly heating Download PDFInfo
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- CN105783458A CN105783458A CN201410819852.3A CN201410819852A CN105783458A CN 105783458 A CN105783458 A CN 105783458A CN 201410819852 A CN201410819852 A CN 201410819852A CN 105783458 A CN105783458 A CN 105783458A
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- drying drum
- heat
- urceolus
- thin
- rotating shaft
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Abstract
The invention discloses a drying roller system for uniformly heating. The drying roller system comprises a material conveying device and at least one roller dryer which is arranged along the material conveying device, wherein each roller dryer comprises a drying roller, a scraper and a feed liquid tray; each drying roller comprises an outer cylinder; an inner cylinder which is rotationally matched and is coaxial with the outer cylinder is arranged in each outer cylinder; a heat insulating layer, an electric heating layer and a thin-wall heat conducting layer are sequentially arranged on the outer circumferential wall of each inner cylinder from inside to outside; heat-conducting media are arranged in a cavity between each outer tube and the corresponding inner cylinder; grooves for accommodating the heat-conducting media are annularly and uniformly formed in the outer circumferential wall of each thin-wall heat conducting layer; a current limiting cover covering a groove opening of a groove is arranged outside each thin-wall heat conducting layer in a sleeving manner; small holes for the heat-conducting media to penetrate through are formed in each current limiting cover in an array form; the bottom of each outer cylinder is positioned in the corresponding feed liquid tray; a blade of each scraper is tightly attached to the outer surface of the corresponding outer cylinder; and a material receiving plate communicating to the material conveying device is arranged below each scraper.
Description
Technical field
The invention belongs to drying equipment technical field, concrete is the drying drum system of a kind of uniform heating.
Background technology
Roller drying device is a kind of in thermo-conducting manner the liquid material or slurry being attached to cylinder body outer wall to be heated, so as to the constant pressure and dry equipment of moisture vaporization.When cylinder slowly rotates, material is that film like is attached to outer surface of cylinder, and moisture is gasified, and dissipates in surrounding air, and the siccative being attached to outer wall is scraped by scraper in the form of sheets, falls into discharging opening.Owing to the heat transfer type of roller drying device is from inside to outside, having the advantage that cloth is uniform, the bed of material is thin, thermograde is big, heat utilization efficiency is high, in Chemical Manufacture, Application comparison is extensive.
Existing roller heating device is generally adopted hot oil-deflecting type roller drying device, and hot oil-deflecting type roller drying device generally comprises urceolus and the inner core being arranged in urceolus, in dry run, and inner core transfixion.Between urceolus and inner core, it is provided with the spraying mechanism for spraying thermal conductance oil, utilizes thermal conductance oil-piping to be input to by thermal conductance oil from outside between urceolus and inner core and spray the purpose realizing conduction of heat.Although this hot oil-deflecting type roller drying device disclosure satisfy that instructions for use to a certain extent, but, the relatively low thermal conductance oil of the temperature that is trapped between urceolus and inner core is difficult to timely discharge, causes the non-uniform temperature between urceolus and inner core, drying effect is also bad, is unfavorable for energy-saving and cost-reducing and reduces discharging.
Summary of the invention
In view of this, it is an object of the invention to provide the drying drum system of a kind of uniform heating, instructions for use can not only be met, and heat more uniform, it is possible to be effectively improved heat exchanger effectiveness.
For reaching above-mentioned purpose, the present invention provides following technical scheme:
A kind of drying drum system of uniform heating, including device for transporting objects and at least one drying drum machine of arranging along described device for transporting objects, described drying drum machine includes drying drum, scraper and feed liquid dish, described drying drum includes urceolus, it is provided with in described urceolus to rotate and coordinates and coaxial inner core, the periphery wall of described inner core is sequentially provided with thermal insulation layer from the inside to the outside, electric heating layer and thin-walled heat-conducting layer, it is provided with heat conducting medium in cavity between described urceolus and inner core, on the periphery wall of described thin-walled heat-conducting layer, annular is laid with the groove for holding heat conducting medium, described thin-walled heat-conducting layer overcoat is equiped with the current limliting cover covered on described groove notch, on described current limliting cover, array is provided with the aperture for heat conducting medium traverse；The bottom of described urceolus is positioned at described feed liquid dish, and the blade of described scraper is close to described outer tube outer surface, described scraper be connected with leading to the splicing plate of described device for transporting objects.
Further, the center, two ends of described urceolus is provided with rotating shaft I, and described inner core is provided with rotating shaft II, and described rotating shaft II rotatable engagement is sleeved in described rotating shaft I, and is additionally provided with labyrinth seal structure between described rotating shaft I and described rotating shaft II.
Further, described rotating shaft II is provided with electro-hydraulic slip ring.
Further, the ratio between external diameter and the described urceolus internal diameter of described inner core is 0.9-0.98.
Further, on the periphery wall of described thin-walled heat-conducting layer, annular is laid with helical teeth, forms described groove between the periphery wall of described helical teeth and described thin-walled heat-conducting layer.
Further, on described current limliting cover, the area array corresponding with described groove is provided with the aperture being covered with respective slot notch.
Further, it is provided with electrical heating wire in described electric heating layer.
Further, described electrical heating wire is spirally wound on the periphery wall of described thermal insulation layer or along the uniform setting of generatrix direction of described thermal insulation layer.
Further, also include being arranged on the dust gathering arrester above described drying drum, be provided with dust air channel in described dust gathering arrester, in described dust air channel, be provided with induced-draught electric motor.
The beneficial effects of the present invention is:
The drying drum system of the uniformly heating of the present invention, by arranging thermal insulation layer on the inner core periphery wall of drying drum machine, electric heating layer and thin-walled heat-conducting layer, and groove is set on the periphery wall of thin-walled heat-conducting layer, during use, urceolus slowly rotates relative to feed liquid dish, feed liquid is made to form thin layer at outer barrel surface, inner core is relative to urceolus high speed rotating in the opposite direction, utilize groove storage heat conducting medium, and heat conducting medium is sprayed on outer tube inner wall, and conduct heat to urceolus periphery wall makes dry materials, heat exchanger effectiveness can be effectively improved, under the effect of current limliting cover, it can be avoided that heat conducting medium is complete by disposable sprinkling, the sprinkling region of heat conducting medium can be increased；Owing to the direction of rotation of inner core and urceolus is contrary, it is higher that urceolus goes out the region of heat conducting medium liquid level temperature under the heat effect of bottom heat conducting medium, and regional temperature that urceolus enters heat conducting medium liquid level is relatively low accordingly, the region of heat conducting medium is entered by the heat conducting medium stored in inner core is sprayed at urceolus more, can effectively ensure that the equilibrium of whole urceolus temperature, namely heat more uniform；For existing drying drum machine, directly utilize in electric heating layer heat conducting medium heating, heat conducting medium make consumption constant, without being separately provided heat conducting medium heater and heat conducting medium blood circulation again, structure is simpler, and investment is less, and can play energy-saving and cost-reducing effect.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and beneficial effect clearly, the present invention provides drawings described below to illustrate:
Fig. 1 is the structural representation of the drying drum system embodiment that the present invention uniformly heats；
Fig. 2 is the structural representation of the present embodiment drying drum machine；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the radial section schematic diagram of inner core；
Fig. 5 is the A detail drawing of Fig. 4.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, so that those skilled in the art can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As it is shown in figure 1, the structural representation of the drying drum system embodiment uniformly heated for the present invention.The drying drum system of the uniformly heating of the present embodiment, including device for transporting objects 19 and at least one drying drum machine of arranging along device for transporting objects.The drying drum machine of the present embodiment, including drying drum 1, scraper 2 and feed liquid dish 3, drying drum 1 includes urceolus 4, it is provided with in urceolus 4 to rotate and coordinates and coaxial inner core 5, the periphery wall of inner core 5 is sequentially provided with thermal insulation layer 6 from the inside to the outside, electric heating layer 7 and thin-walled heat-conducting layer 8, heat conducting medium 9 it is provided with in cavity between urceolus 4 and inner core 5, and annular is laid with the groove 10 for holding heat conducting medium 9 on the periphery wall of thin-walled heat-conducting layer 8, the two ends of groove 10 are enclosed, prevent heat conducting medium 9 from flowing out from two ends, thin-walled heat-conducting layer 8 overcoat is equiped with the current limliting cover 18 covered on groove 10 notch, on current limliting cover 18, array is provided with the aperture for heat conducting medium 9 traverse.The bottom of urceolus 4 is positioned at feed liquid dish 3, and the blade of scraper 2 is close to urceolus 4 outer surface, feed liquid dish 3 be also arranged above charge pipe 16 and the splicing plate 17 being correspondingly arranged with scraper 2 and communicating with device for transporting objects 19.The center, two ends of the urceolus 4 of the present embodiment is provided with rotating shaft I 11, inner core 5 is provided with rotating shaft II 12, rotating shaft II 12 rotatable engagement is sleeved in rotating shaft I 11, and it is additionally provided with labyrinth seal structure between rotating shaft II 12 and rotating shaft I 11, can effectively prevent heat conducting medium 9 from revealing, being provided with bearing between rotating shaft I 11 and the rotating shaft II 12 of the present embodiment, namely the rotary motion between inner core 5 and urceolus 4 will not interfere.Preferably, rotating shaft II 12 is provided with electro-hydraulic slip ring, it is simple to the layout of cable and fluid path.Preferably, the ratio between external diameter and urceolus 4 internal diameter of inner core 5 is 0.9-0.98, and the ratio between external diameter and urceolus 4 internal diameter of the inner core 5 of the present embodiment is 0.95.Adopt inner core 5 and the urceolus 4 of this structure, the cavity between urceolus 4 and inner core 5 can be reduced, namely the distance between the inwall of the periphery wall distance urceolus 4 of inner core 5 is less, the inner core rotated relative to urceolus can be utilized more easily to be sprayed on the inwall of urceolus 4 by heat conducting medium, and heat conducting medium 9 make consumption also less, it is possible to the effectively save energy.
On the periphery wall of the thin-walled heat-conducting layer 8 of the present embodiment, annular is laid with helical teeth 13, groove 10 is formed between the periphery wall of helical teeth 13 and thin-walled heat-conducting layer 8, on the current limliting cover 18 of the present embodiment, the area array corresponding with groove 10 is provided with the aperture being covered with respective slot 10 notch, guarantee the whole axial region of region overlay urceolus 4 inwall that heat conducting medium can be sprayed by aperture, it is prevented that urceolus 4 two ends temperature is too low.It is provided with electrical heating wire in the electric heating layer 7 of the present embodiment, and electrical heating wire is spirally wound on the periphery wall of thermal insulation layer 6 or along the uniform setting of generatrix direction of thermal insulation layer 6, is all capable of the purpose to heat conducting medium 9 heating.The electrical heating wire of the present embodiment is spirally wound on the periphery wall of thermal insulation layer 6.
Further, the self-heating type roller drier of the present embodiment also includes the dust gathering arrester 14 being arranged on above drying drum 1, it is provided with dust air channel 15 in dust gathering arrester 14, in dust air channel 15, is provided with induced-draught electric motor, it is possible to collect the material dispersed and avoid dust and the material dust collection collected can be utilized.
The drying drum system of the uniformly heating of the present embodiment, by arranging thermal insulation layer on the inner core periphery wall of drying drum machine, electric heating layer and thin-walled heat-conducting layer, and groove is set on the periphery wall of thin-walled heat-conducting layer, during use, urceolus slowly rotates relative to feed liquid dish, feed liquid is made to form thin layer at outer barrel surface, inner core is relative to urceolus high speed rotating in the opposite direction, utilize groove storage heat conducting medium, and heat conducting medium is sprayed on outer tube inner wall, and conduct heat to urceolus periphery wall makes dry materials, heat exchanger effectiveness can be effectively improved, under the effect of current limliting cover, it can be avoided that heat conducting medium is complete by disposable sprinkling, the sprinkling region of heat conducting medium can be increased；Owing to the direction of rotation of inner core and urceolus is contrary, it is higher that urceolus goes out the region of heat conducting medium liquid level temperature under the heat effect of bottom heat conducting medium, and regional temperature that urceolus enters heat conducting medium liquid level is relatively low accordingly, the region of heat conducting medium is entered by the heat conducting medium stored in inner core is sprayed at urceolus more, can effectively ensure that the equilibrium of whole urceolus temperature, namely heat more uniform；For existing drying drum machine, directly utilize in electric heating layer heat conducting medium heating, heat conducting medium make consumption constant, without being separately provided heat conducting medium heater and heat conducting medium blood circulation again, structure is simpler, and investment is less, and can play energy-saving and cost-reducing effect.
Embodiment described above is only the preferred embodiment lifted for absolutely proving the present invention, and protection scope of the present invention is not limited to this.Equivalent replacement that those skilled in the art make on basis of the present invention or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (9)
1. the drying drum system of a uniform heating, it is characterized in that: include device for transporting objects and at least one the drying drum machine arranged along described device for transporting objects, described drying drum machine includes drying drum, scraper and feed liquid dish, described drying drum includes urceolus, it is provided with in described urceolus to rotate and coordinates and coaxial inner core, the periphery wall of described inner core is sequentially provided with thermal insulation layer from the inside to the outside, electric heating layer and thin-walled heat-conducting layer, it is provided with heat conducting medium in cavity between described urceolus and inner core, on the periphery wall of described thin-walled heat-conducting layer, annular is laid with the groove for holding heat conducting medium, described thin-walled heat-conducting layer overcoat is equiped with the current limliting cover covered on described groove notch, on described current limliting cover, array is provided with the aperture for heat conducting medium traverse；The bottom of described urceolus is positioned at described feed liquid dish, and the blade of described scraper is close to described outer tube outer surface, described scraper be connected with leading to the splicing plate of described device for transporting objects.
2. the drying drum system of uniformly heating according to claim 1, it is characterized in that: the center, two ends of described urceolus is provided with rotating shaft I, described inner core is provided with rotating shaft II, described rotating shaft II rotatable engagement is sleeved in described rotating shaft I, and is additionally provided with labyrinth seal structure between described rotating shaft I and described rotating shaft II.
3. the drying drum system of uniformly heating according to claim 2, it is characterised in that: described rotating shaft II is provided with electro-hydraulic slip ring.
4. the drying drum system of uniformly heating according to claim 1, it is characterised in that: the ratio between external diameter and the described urceolus internal diameter of described inner core is 0.9-0.98.
5. the drying drum system of uniformly heating according to any one of claim 1-4, it is characterised in that: on the periphery wall of described thin-walled heat-conducting layer, annular is laid with helical teeth, forms described groove between the periphery wall of described helical teeth and described thin-walled heat-conducting layer.
6. the drying drum system of uniformly heating according to claim 5, it is characterised in that: on described current limliting cover, the area array corresponding with described groove is provided with the aperture being covered with respective slot notch.
7. the drying drum system of uniformly heating according to claim 1, it is characterised in that: it is provided with electrical heating wire in described electric heating layer.
8. the drying drum system of uniformly heating according to claim 7, it is characterised in that: described electrical heating wire is spirally wound on the periphery wall of described thermal insulation layer or along the uniform setting of generatrix direction of described thermal insulation layer.
9. the drying drum system of uniformly heating according to claim 1, it is characterised in that: also include being arranged on the dust gathering arrester above described drying drum, be provided with dust air channel in described dust gathering arrester, in described dust air channel, be provided with induced-draught electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819852.3A CN105783458A (en) | 2014-12-25 | 2014-12-25 | Drying roller system for uniformly heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819852.3A CN105783458A (en) | 2014-12-25 | 2014-12-25 | Drying roller system for uniformly heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105783458A true CN105783458A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819852.3A Pending CN105783458A (en) | 2014-12-25 | 2014-12-25 | Drying roller system for uniformly heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105783458A (en) |
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2014
- 2014-12-25 CN CN201410819852.3A patent/CN105783458A/en active Pending
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Application publication date: 20160720 |
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| WD01 | Invention patent application deemed withdrawn after publication |