CN105783497A - Drying drum machine inner drum with uniform heating function - Google Patents
Drying drum machine inner drum with uniform heating function Download PDFInfo
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- CN105783497A CN105783497A CN201410819517.3A CN201410819517A CN105783497A CN 105783497 A CN105783497 A CN 105783497A CN 201410819517 A CN201410819517 A CN 201410819517A CN 105783497 A CN105783497 A CN 105783497A
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- inner core
- layer
- drying drum
- heat
- machine inner
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Abstract
The invention discloses a drying drum machine inner drum with the uniform heating function. The drying drum machine inner drum comprises an inner drum body. Rotary shafts are arranged at the two ends of the inner drum body. A heat insulation layer, an electrical heating layer and a thin wall heat conduction layer are sequentially arranged on the peripheral wall of the inner drum body from inside to outside. A heat conduction medium is arranged in a cavity between an outer drum and the inner drum. Grooves used for containing the heat conduction medium are evenly and annularly distributed in the peripheral wall of the thin wall heat conduction layer. The thin wall heat conduction layer is sleeved with a flow limit cover covering groove openings, and small holes allowing the heat conduction medium to penetrate are formed in the flow limit cover in an array manner. The drying drum machine inner drum with the uniform heating function can heat the heat conduction medium and can spray the heat conduction medium to the inner wall of the drying agent outer drum.
Description
Technical field
The invention belongs to drying equipment technical field, be specifically related to the drying drum machine inner core 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 machine inner core of a kind of uniform heating, the heating to heat conducting medium can not only be realized, and heat conducting medium can be sprayed on desiccant outer tube inner wall.
For reaching above-mentioned purpose, the present invention provides following technical scheme:
A kind of drying drum machine inner core of uniform heating, including inner core body, the two ends of described inner core body are provided with rotating shaft, and the periphery wall of described inner core body is sequentially provided with thermal insulation layer, electric heating layer and thin-walled heat-conducting layer from the inside to the outside, 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, and on described current limliting cover, array is provided with the aperture for heat conducting medium traverse.
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, described rotating shaft II is provided with electro-hydraulic slip ring.
The beneficial effects of the present invention is:
nullThe drying drum machine inner core of the uniformly heating of the present invention，By arranging electric heating layer on the periphery wall of inner core body，It is capable of the heating to heat conducting medium，And by arranging groove on thin-walled heat-conducting layer，When inner core body rotates，The heat conducting medium stockpiled in groove is along with inner core body rotates and is sprayed on outer tube inner wall，Urceolus is made to be subject to the material of heated drying urceolus outer surface，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，Make sprinkling more uniform，Namely heat conducting medium can directly be heated by the drying drum machine inner core of the uniformly heating of the present invention，And heat conducting medium is sprayed to equably outer tube inner wall，Heat conducting medium heater and heat conducting medium blood circulation need not be separately provided again，Can effectively simplify structure，Reduce cost of investment，And the efficiency of heating surface is high，Heat exchanger effectiveness can be improved.
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 uniformly drying drum machine inner core embodiment of heating of the present invention；
Fig. 2 is the A detail drawing of Fig. 1；
Fig. 3 is the structural representation of the uniformly drying drum machine of heating adopting the present embodiment inner core；
Fig. 4 is the left view of Fig. 3.
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 on figure 3, the structural representation of the uniformly drying drum machine of heating for adopting the present embodiment inner core.This drying drum machine uniformly heated, including drying drum 1, scraper 2 and feed liquid dish 3, drying drum 1 includes urceolus 4, is provided with the drying drum machine inner core of the uniformly heating of the present embodiment in urceolus 4, and the inner core 5 of the present embodiment is also coaxial with urceolus 4 rotatable engagement.The periphery wall of the inner core 5 of the present embodiment is sequentially provided with thermal insulation layer 6, electric heating layer 7 and thin-walled heat-conducting layer 8 from the inside to the outside, 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, and 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 aggregate bin 17 being correspondingly arranged with scraper 2.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 12, rotating shaft 12 rotatable engagement is sleeved in rotating shaft I 11, and it is additionally provided with labyrinth seal structure between rotating shaft 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 12 of the present embodiment, namely the rotary motion between inner core 5 and urceolus 4 will not interfere.Preferably, rotating shaft 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.
nullThe drying drum machine inner core of the uniformly heating of the present embodiment，By arranging electric heating layer on the periphery wall of inner core body，It is capable of the heating to heat conducting medium，And by arranging groove on thin-walled heat-conducting layer，When inner core body rotates，The heat conducting medium stockpiled in groove is along with inner core body rotates and is sprayed on outer tube inner wall，Urceolus is made to be subject to the material of heated drying urceolus outer surface，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，Make sprinkling more uniform，Namely heat conducting medium can directly be heated by the drying drum machine inner core of the uniformly heating of the present invention，And heat conducting medium is sprayed to equably outer tube inner wall，Heat conducting medium heater and heat conducting medium blood circulation need not be separately provided again，Can effectively simplify structure，Reduce cost of investment，And the efficiency of heating surface is high，Heat exchanger effectiveness can be improved.
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 (6)
1. the drying drum machine inner core of a uniform heating, it is characterized in that: include inner core body, the two ends of described inner core body are provided with rotating shaft, and the periphery wall of described inner core body 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.
2. the drying drum machine inner core of uniform heating according to claim 1, 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.
3. the drying drum machine inner core of uniform heating according to claim 2, 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.
4. the drying drum machine inner core of uniform heating according to claim 1, it is characterised in that: it is provided with electrical heating wire in described electric heating layer.
5. the drying drum machine inner core of uniform heating according to claim 4, 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.
6. the drying drum machine inner core of uniform heating according to claim 1, it is characterised in that: described rotating shaft II is provided with electro-hydraulic slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819517.3A CN105783497A (en) | 2014-12-25 | 2014-12-25 | Drying drum machine inner drum with uniform heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819517.3A CN105783497A (en) | 2014-12-25 | 2014-12-25 | Drying drum machine inner drum with uniform heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105783497A true CN105783497A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819517.3A Pending CN105783497A (en) | 2014-12-25 | 2014-12-25 | Drying drum machine inner drum with uniform heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105783497A (en) |
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2014
- 2014-12-25 CN CN201410819517.3A patent/CN105783497A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160720 |
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| WD01 | Invention patent application deemed withdrawn after publication |