CN204535303U - The drying drum system of homogeneous heating - Google Patents
The drying drum system of homogeneous heating Download PDFInfo
- Publication number
- CN204535303U CN204535303U CN201420834852.6U CN201420834852U CN204535303U CN 204535303 U CN204535303 U CN 204535303U CN 201420834852 U CN201420834852 U CN 201420834852U CN 204535303 U CN204535303 U CN 204535303U
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- drying drum
- urceolus
- inner core
- heat
- homogeneous heating
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Abstract
The utility model discloses a kind of drying drum system of homogeneous heating, at least one the drying drum machine comprising device for transporting objects and arrange along device for transporting objects, drying drum machine comprises drying drum, scraper and feed liquid dish, drying drum comprises urceolus, inner core with its rotatable engagement and coaxial is provided with in urceolus, the periphery wall of inner core is provided with thermal insulation layer from the inside to the outside successively, electric heating layer and thin-walled heat-conducting layer, heat conducting medium is provided with in cavity between urceolus and inner core, on the periphery wall of thin-walled heat-conducting layer, annular is laid with the groove for holding heat conducting medium, thin-walled heat-conducting layer overcoat is equiped with the current limliting cover covered on groove notch, on current limliting cover, array is provided with the aperture passed for heat conducting medium, the bottom of urceolus is positioned at feed liquid dish, and the blade of scraper is close to outer tube outer surface, and the below of scraper is provided with the splicing plate leading to device for transporting objects.
Description
Technical field
The utility model belongs to drying equipment technical field, the drying drum system of concrete is a kind of homogeneous heating.
Background technology
Roller drying device a kind ofly to heat the liquid material or slurry that are attached to cylinder body outer wall in thermo-conducting manner, makes it the constant pressure and dry equipment of moisture vaporization.When cylinder slow circumvolve, material is that film-form is attached to outer surface of cylinder, and moisture is vaporized, and falls apart in surrounding air, and the siccative being attached to outer wall is scraped by scraper in the form of sheets, falls into discharging opening.Heat transfer type due to roller drying device is from inside to outside, and have the advantage that cloth is even, the bed of material is thin, thermograde is large, heat utilization efficiency is high, in Chemical Manufacture, Application comparison is extensive.
Existing roller heating device generally adopts hot oil-deflecting type roller drying device, and hot oil-deflecting type roller drying device generally comprises urceolus and is arranged on the inner core in urceolus, in dry run, and inner core transfixion.Between urceolus and inner core, being provided with the spraying mechanism for spraying thermal conductance oil, utilizing thermal conductance oil-piping from outside, thermal conductance oil to be input to sprinkling between urceolus and inner core and realizing heat conducting object.Although this hot oil-deflecting type roller drying device can meet instructions for use to a certain extent, but the thermal conductance oil being trapped in temperature between urceolus and inner core lower 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, the purpose of this utility model is the drying drum system providing a kind of homogeneous heating, can not only meet instructions for use, and heating is more even, effectively can improve heat exchanger effectiveness.
For achieving the above object, the utility model provides following technical scheme:
A kind of drying drum system of homogeneous heating, at least one the drying drum machine comprising device for transporting objects and arrange along described device for transporting objects, described drying drum machine comprises drying drum, scraper and feed liquid dish, described drying drum comprises urceolus, inner core with its rotatable engagement and coaxial is provided with in described urceolus, the periphery wall of described inner core is provided with thermal insulation layer from the inside to the outside successively, electric heating layer and thin-walled heat-conducting layer, heat conducting medium is provided with 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 passed for heat conducting medium, 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, and the below of described scraper is provided with the splicing plate leading to 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 also provided with labyrinth seal structure between described rotating shaft I and described rotating shaft II.
Further, described rotating shaft II is provided with electric liquid slip ring.
Further, the ratio between the external diameter of described inner core and described urceolus internal diameter 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, electrical heating wire is provided with in described electric heating layer.
Further, described electrical heating wire be spirally wound on described thermal insulation layer periphery wall on or along the uniform setting of generatrix direction of described thermal insulation layer.
Further, also comprise the dust gathering arrester be arranged on above described drying drum, in described dust gathering arrester, be provided with control of dust air channel, in described control of dust air channel, be provided with induced-draught electric motor.
The beneficial effects of the utility model are:
The drying drum system of homogeneous heating of the present utility model, 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 Rotation Speed in the opposite direction, groove is utilized to store heat conducting medium, and heat conducting medium is sprayed on outer tube inner wall, and conduct heat on urceolus periphery wall and make dry materials, effectively can improve heat exchanger effectiveness, under the effect of current limliting cover, heat conducting medium can be avoided complete by disposable sprinkling, the sprinkling region of heat conducting medium can be increased, because the direction of rotation of inner core and urceolus is contrary, region temperature under the heat effect of bottom heat conducting medium that urceolus goes out heat conducting medium liquid level is higher, and the regional temperature that urceolus enters heat conducting medium liquid level is corresponding lower, by the heat conducting medium stored in inner core is sprayed at the region that urceolus enters heat conducting medium more, effectively can ensure the equilibrium of whole urceolus temperature, namely heat more even, for existing drying drum machine, directly utilize heat conducting medium heating in electric heating layer, the use amount of heat conducting medium is constant, without the need to arranging separately heat conducting medium heater and the heat conducting medium circulatory system again, structure is more simple, and investment is less, and can play energy-saving and cost-reducing effect.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the drying drum system embodiment of the utility model homogeneous heating;
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 utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, be the structural representation of the drying drum system embodiment of the utility model homogeneous heating.The drying drum system of the homogeneous heating of the present embodiment, at least one the drying drum machine comprising device for transporting objects 19 and arrange along device for transporting objects.The drying drum machine of the present embodiment, comprise drying drum 1, scraper 2 and feed liquid dish 3, drying drum 1 comprises urceolus 4, inner core 5 with its rotatable engagement and coaxial is provided with in urceolus 4, the periphery wall of inner core 5 is provided with thermal insulation layer 6 from the inside to the outside successively, electric heating layer 7 and thin-walled heat-conducting layer 8, heat conducting medium 9 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 sealed, 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 passed for heat conducting medium 9.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, and the top of feed liquid dish 3 is also provided with charge pipe 16 and correspondingly with scraper 2 arranges and the splicing plate 17 communicated 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 be also provided with labyrinth seal structure between rotating shaft II 12 and rotating shaft I 11, can effectively prevent heat conducting medium 9 from revealing, be provided with bearing between the rotating shaft I 11 of the present embodiment and rotating shaft II 12, the rotary motion namely between inner core 5 and urceolus 4 can not be interfered mutually.Preferably, rotating shaft II 12 is provided with electric liquid slip ring, is convenient to the layout of cable and fluid path.Preferably, the ratio between the external diameter of inner core 5 and urceolus 4 internal diameter is 0.9-0.98, and the ratio between the external diameter of the inner core 5 of the present embodiment and urceolus 4 internal diameter 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 inner core 5 periphery wall distance urceolus 4 inwall between distance 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 the use amount of heat conducting medium 9 is also less, can effective economize 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, prevent urceolus 4 two ends temperature too low.Be provided with electrical heating wire in the electric heating layer 7 of the present embodiment, and electrical heating wire be spirally wound on thermal insulation layer 6 periphery wall on or along the uniform setting of generatrix direction of thermal insulation layer 6, all can realize the object that heat conducting medium 9 is heated.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 comprises the dust gathering arrester 14 be arranged on above drying drum 1, be provided with control of dust air channel 15 in dust gathering arrester 14, in control of dust air channel 15, be provided with induced-draught electric motor, the material dispersed can be collected and avoid dust and the material dust collection collected can be utilized.
The drying drum system of the homogeneous 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 Rotation Speed in the opposite direction, groove is utilized to store heat conducting medium, and heat conducting medium is sprayed on outer tube inner wall, and conduct heat on urceolus periphery wall and make dry materials, effectively can improve heat exchanger effectiveness, under the effect of current limliting cover, heat conducting medium can be avoided complete by disposable sprinkling, the sprinkling region of heat conducting medium can be increased, because the direction of rotation of inner core and urceolus is contrary, region temperature under the heat effect of bottom heat conducting medium that urceolus goes out heat conducting medium liquid level is higher, and the regional temperature that urceolus enters heat conducting medium liquid level is corresponding lower, by the heat conducting medium stored in inner core is sprayed at the region that urceolus enters heat conducting medium more, effectively can ensure the equilibrium of whole urceolus temperature, namely heat more even, for existing drying drum machine, directly utilize heat conducting medium heating in electric heating layer, the use amount of heat conducting medium is constant, without the need to arranging separately heat conducting medium heater and the heat conducting medium circulatory system again, structure is more simple, and investment is less, and can play energy-saving and cost-reducing effect.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. the drying drum system of a homogeneous heating, it is characterized in that: at least one the drying drum machine comprising device for transporting objects and arrange along described device for transporting objects, described drying drum machine comprises drying drum, scraper and feed liquid dish, described drying drum comprises urceolus, inner core with its rotatable engagement and coaxial is provided with in described urceolus, the periphery wall of described inner core is provided with thermal insulation layer from the inside to the outside successively, electric heating layer and thin-walled heat-conducting layer, heat conducting medium is provided with 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 passed for heat conducting medium, 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, and the below of described scraper is provided with the splicing plate leading to described device for transporting objects.
2. the drying drum system of homogeneous 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 also provided with labyrinth seal structure between described rotating shaft I and described rotating shaft II.
3. the drying drum system of homogeneous heating according to claim 2, is characterized in that: described rotating shaft II is provided with electric liquid slip ring.
4. the drying drum system of homogeneous heating according to claim 1, is characterized in that: the ratio between the external diameter of described inner core and described urceolus internal diameter is 0.9-0.98.
5. the drying drum system of homogeneous heating according to any one of claim 1-4, is characterized 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 homogeneous heating according to claim 5, is characterized 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 homogeneous heating according to claim 1, is characterized in that: be provided with electrical heating wire in described electric heating layer.
8. the drying drum system of homogeneous heating according to claim 7, is characterized in that: on the periphery wall that described electrical heating wire is spirally wound on described thermal insulation layer or along the uniform setting of generatrix direction of described thermal insulation layer.
9. the drying drum system of homogeneous heating according to claim 1, is characterized in that: also comprise the dust gathering arrester be arranged on above described drying drum, is provided with control of dust air channel in described dust gathering arrester, be provided with induced-draught electric motor in described control of dust air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834852.6U CN204535303U (en) | 2014-12-25 | 2014-12-25 | The drying drum system of homogeneous heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834852.6U CN204535303U (en) | 2014-12-25 | 2014-12-25 | The drying drum system of homogeneous heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204535303U true CN204535303U (en) | 2015-08-05 |
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ID=53749294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420834852.6U Expired - Fee Related CN204535303U (en) | 2014-12-25 | 2014-12-25 | The drying drum system of homogeneous heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204535303U (en) |
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2014
- 2014-12-25 CN CN201420834852.6U patent/CN204535303U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150805 Termination date: 20151225 |
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| EXPY | Termination of patent right or utility model |