CN204494992U - Self-heating type roller drier inner core - Google Patents
Self-heating type roller drier inner core Download PDFInfo
- Publication number
- CN204494992U CN204494992U CN201420831256.2U CN201420831256U CN204494992U CN 204494992 U CN204494992 U CN 204494992U CN 201420831256 U CN201420831256 U CN 201420831256U CN 204494992 U CN204494992 U CN 204494992U
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- inner core
- self
- layer
- core body
- type roller
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Abstract
The utility model discloses a kind of self-heating type roller drier inner core, it is characterized in that: comprise 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 provided with thermal insulation layer, electric heating layer and thin-walled heat-conducting layer from the inside to the outside successively, on the periphery wall of described thin-walled heat-conducting layer, annular is laid with the groove for holding heat conducting medium.Self-heating type roller drier inner core of the present utility model, by arranging electric heating layer on the periphery wall of inner core body, the heating to heat conducting medium can be realized, and by arranging groove on thin-walled heat-conducting layer, when inner core body rotates, the heat conducting medium stockpiled in groove rotates along with inner core body and is sprayed on outer tube inner wall, makes urceolus be subject to the material of heated drying urceolus outer surface.
Description
Technical field
The utility model belongs to drying equipment technical field, and concrete is a kind of inner core for roller drier.
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 to provide a kind of self-heating type roller drier inner core, can not only realize the heating to heat conducting medium, and heat conducting medium can be sprayed on drier outer tube inner wall.
For achieving the above object, the utility model provides following technical scheme:
A kind of self-heating type roller drier inner core, comprise 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 provided with thermal insulation layer, electric heating layer and thin-walled heat-conducting layer from the inside to the outside successively, on the periphery wall of described thin-walled heat-conducting layer, annular is laid with the groove for holding heat conducting medium.
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, 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.
The beneficial effects of the utility model are:
Self-heating type roller drier inner core of the present utility model, by arranging electric heating layer on the periphery wall of inner core body, the heating to heat conducting medium can be realized, and by arranging groove on thin-walled heat-conducting layer, when inner core body rotates, the heat conducting medium stockpiled in groove rotates along with inner core body and is sprayed on outer tube inner wall, urceolus is made to be subject to the material of heated drying urceolus outer surface, namely self-heating type roller drier inner core of the present utility model can directly heat heat conducting medium, and heat conducting medium is sprayed to outer tube inner wall, need not heat conducting medium heater and the heat conducting medium circulatory system be set separately again, effectively can 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 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 utility model self-heating type roller drier inner core embodiment;
Fig. 2 is the A detail drawing of Fig. 1;
Fig. 3 is the structural representation of the self-heating type roller drier adopting the present embodiment inner core;
Fig. 4 is the left view of Fig. 2.
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 utility model self-heating type roller drier inner core embodiment.The self-heating type roller drier inner core of the present embodiment, comprise inner core body 5, the two ends of inner core body 5 are provided with rotating shaft 12, and the periphery wall of inner core body 5 is provided with thermal insulation layer 6, electric heating layer 7 and thin-walled heat-conducting layer 8 from the inside to the outside successively; on the periphery wall of thin-walled heat-conducting layer 8, annular is laid with the groove 10 for holding heat conducting medium; the two ends of groove 10 are sealed, and prevent heat conducting medium 9 from flowing out from two ends.
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, electrical heating wire is provided with 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.
The self-heating type roller drier inner core of the present embodiment, by arranging electric heating layer on the periphery wall of inner core body, the heating to heat conducting medium can be realized, and by arranging groove on thin-walled heat-conducting layer, when inner core body rotates, the heat conducting medium stockpiled in groove rotates along with inner core body and is sprayed on outer tube inner wall, urceolus is made to be subject to the material of heated drying urceolus outer surface, namely the self-heating type roller drier inner core of the present embodiment can directly heat heat conducting medium, and heat conducting medium is sprayed to outer tube inner wall, need not heat conducting medium heater and the heat conducting medium circulatory system be set separately again, effectively can simplify structure, reduce cost of investment, and the efficiency of heating surface is high, heat exchanger effectiveness can be improved.
As shown in Figure 3, for adopting the structural representation of the self-heating type roller drier of the present embodiment inner core.This self-heating type roller drier comprises drying drum 1, scraper 2 and feed liquid dish 3, drying drum 1 comprises urceolus 4, inner core as above with its rotatable engagement and coaxial is provided with in urceolus 4, the bottom of urceolus 4 is positioned at feed liquid dish 3, 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 the aggregate bin 17 that arrange corresponding to scraper 2.The center, two ends of urceolus 4 is provided with rotating shaft 11, rotating shaft 12 rotatable engagement of inner core is sleeved in rotating shaft I 11, and be also provided with labyrinth seal structure between rotating shaft 12 and rotating shaft 11, can effectively prevent heat conducting medium 9 from revealing, be provided with bearing between the rotating shaft 11 of the present embodiment and rotating shaft 12, the rotary motion namely between inner core and urceolus 4 can not be interfered mutually.Preferably, the ratio between the external diameter of inner core and urceolus 4 internal diameter is 0.9-0.98, and the ratio between the external diameter of the inner core of the present embodiment and urceolus 4 internal diameter is 0.95.Adopt inner core and the urceolus 4 of this structure, the cavity between urceolus 4 and inner core can be reduced, namely inner core 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.
Further, this self-heating type roller drier 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 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 (4)
1. a self-heating type roller drier inner core, it is characterized in that: comprise 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 provided with thermal insulation layer, electric heating layer and thin-walled heat-conducting layer from the inside to the outside successively, on the periphery wall of described thin-walled heat-conducting layer, annular is laid with the groove for holding heat conducting medium.
2. self-heating type roller drier inner core according to claim 1, 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.
3. self-heating type roller drier inner core according to claim 1, is characterized in that: be provided with electrical heating wire in described electric heating layer.
4. self-heating type roller drier inner core according to claim 3, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831256.2U CN204494992U (en) | 2014-12-25 | 2014-12-25 | Self-heating type roller drier inner core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831256.2U CN204494992U (en) | 2014-12-25 | 2014-12-25 | Self-heating type roller drier inner core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204494992U true CN204494992U (en) | 2015-07-22 |
Family
ID=53574300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420831256.2U Expired - Fee Related CN204494992U (en) | 2014-12-25 | 2014-12-25 | Self-heating type roller drier inner core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204494992U (en) |
-
2014
- 2014-12-25 CN CN201420831256.2U patent/CN204494992U/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: 20150722 Termination date: 20171225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |