CN101943516B - Vacuum drier - Google Patents
Vacuum drier Download PDFInfo
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- CN101943516B CN101943516B CN2010102867380A CN201010286738A CN101943516B CN 101943516 B CN101943516 B CN 101943516B CN 2010102867380 A CN2010102867380 A CN 2010102867380A CN 201010286738 A CN201010286738 A CN 201010286738A CN 101943516 B CN101943516 B CN 101943516B
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Abstract
The invention provides a vacuum drier which belongs to the technical field of machinery and solves the technical problems of low gas extraction performance, poor humidity extraction effect and the like of the existing vacuum drier. The vacuum drier comprises a framework, a drying oven arranged on the framework and a revolving shaft capable of driving the drying oven to rotate, wherein the inside of the drying oven is provided with a cavity, the drying oven is also provided with a feed port and a discharge port which are communicated with the cavity, a gas extraction passage is arranged in the revolving shaft, one end of the revolving shaft is fixed onto the drying oven, the gas extraction passage of the revolving shaft is communicated with the cavity of the drying oven, the other end of the revolving shaft is connected with a vacuumizer, a gas inlet pipe is arranged in the gas extraction passage of the revolving shaft, one end of the gas inlet pipe is connected with a nitrogen source, the other end of the gas inlet pipe is provided with a filter, and the filter is positioned in the cavity of the drying oven. The invention has the advantages of simple structure, good gas extraction and humidity extraction effect, safer use and the like.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of drying machine, particularly a kind of vacuum drier.
Background technology
Vacuum drier is the material that is dried to be placed carry out heat drying under the vacuum condition.It utilizes the evacuator dehumidifier of bleeding, and makes work be in vacuum state.The rate of drying of material is accelerated greatly, has also saved the energy simultaneously.Therefore, vacuum drier is applicable to the low temperature drying of easy decomposition, polymerization and heat sensitive material under the high temperature, extensively is used in industries such as pharmacy, chemical industry, food, electronics.
At present; The structure of existing vacuum drier generally is such, comprises frame, is arranged on the drying oven on the frame and can drives the rotating shaft that drying oven rotates, and described drying oven inside has cavity; On drying oven, also offer the charging aperture and the discharging opening that are connected with this cavity; On the furnace wall of drying oven, also be provided with heater, have bleed-off passage in the described rotating shaft, rotating shaft one end is fixed on the drying oven; And the bleed-off passage of rotating shaft is connected with the cavity of drying oven, and the other end of described rotating shaft links to each other with an evacuator.The material that is dried is entered in the cavity of drying oven by charging aperture, utilizes the dehumidifier of bleeding in the cavity of evacuator to drying oven, makes to be in vacuum state in the cavity.Subsequently, rotating shaft drives drying oven and rotates, and the heater on the drying oven furnace wall is to heating in the drying oven, thereby makes dry materials.Independent like this dehumidifier effect is relatively poor through the dehumidifier of bleeding in the cavity of evacuator to drying oven, thereby influences the drying of material.
Summary of the invention
The objective of the invention is there are the problems referred to above to existing technology the vacuum drier of proposed a kind ofly to bleed, dehumidifier is effective.
The object of the invention can be realized through following technical proposal: a kind of vacuum drier comprises frame, is arranged on the drying oven on the frame and can drives the rotating shaft that drying oven rotates that described drying oven inside has cavity; On drying oven, also offer the charging aperture and the discharging opening that are connected with this cavity; Have bleed-off passage in the described rotating shaft, rotating shaft one end is fixed on the drying oven, and the bleed-off passage of rotating shaft is connected with the cavity of drying oven; The other end of described rotating shaft links to each other with an evacuator; It is characterized in that, also be provided with an air inlet pipe in the bleed-off passage of rotating shaft, described air inlet pipe one end links to each other with a source nitrogen; The other end of air inlet pipe is provided with a filter, and described filter is in the cavity of drying oven.
This vacuum drying machine is used for dried material, and main operation principle is following: material is entered in the cavity of drying oven by charging aperture, utilize in the cavity of evacuator to drying oven bleed, dehumidifier, make to be in vacuum state in the cavity.Subsequently, rotating shaft drives drying oven and rotates, and the heater on the drying oven furnace wall is to heating in the drying oven, thereby makes dry materials.In the cavity of drying oven, add nitrogen through air inlet pipe, the interior air and the moisture of cavity of drying oven can better be taken away by evacuator, simultaneously, nitrogen also can be used as protective gas, can prevent effectively that material from chemical reaction taking place when drying.
In above-mentioned vacuum drier; Described filter comprises adapter sleeve, the mistake filter ruffle with several ventholes and was arranged on the filtering agent in the filter ruffle; Described adapter sleeve is fixed in the above-mentioned rotating shaft; Described filtration cover is set on the air inlet pipe, and this filtration is set in adapter sleeve.The aperture of the venthole on the adapter sleeve is very little, and nitrogen can be gone out by this venthole, but the material in the drying oven cavity can't be entered in the adapter sleeve by venthole.Filtering agent through crossing in the filter ruffle can fall moisture in the nitrogen and contaminant filter, prevents that these moisture or impurity from entering in the cavity of drying oven.
In above-mentioned vacuum drier, described filtering agent is an active carbon.Active carbon can effectively adsorb moisture and the impurity in the nitrogen.
In above-mentioned vacuum drier, be connected mutually through demountable structure one between described adapter sleeve and the rotating shaft.The cleaning and the maintenance of such easy design adapter sleeve.
In above-mentioned vacuum drier; Described demountable structure one comprises ready-packaged joint one and ready-packaged joint two; Described ready-packaged joint one is fixed in the rotating shaft, and described ready-packaged joint two is fixed on the adapter sleeve, and described ready-packaged joint one is connected together with ready-packaged joint two.
In above-mentioned vacuum drier, the described mistake between filter ruffle and the air inlet pipe links to each other through demountable structure two.Such easy design is crossed the cleaning and the maintenance of filter ruffle.
In above-mentioned vacuum drier; Described demountable structure two comprises ready-packaged joint three and ready-packaged joint four; Described ready-packaged joint three is fixed on the air inlet pipe, and described ready-packaged joint four was located in the filter ruffle, and described ready-packaged joint three is connected together with ready-packaged joint four.
In above-mentioned vacuum drier, be connected mutually through a connection piece between described ready-packaged joint one and the rotating shaft, also be provided with sealing ring in the described connector.Through sealing ring, guarantee the sealing between rotating shaft and the connector.
Compared with prior art, this vacuum drying machine adds nitrogen through air inlet pipe in the cavity of drying oven, and air and moisture in the cavity of drying oven can better be taken away by evacuator, and is simple in structure, bleeds, dehumidifier is effective.Simultaneously, nitrogen also can be used as protective gas, can prevent effectively that material from chemical reaction taking place when drying.
Description of drawings
Fig. 1 is the structural representation of this vacuum drying machine.
Fig. 2 is the enlarged drawing at A place among Fig. 1.
Among the figure, 1, frame; 2, drying oven; 21, cavity; 22, charging aperture; 23, discharging opening; 3, rotating shaft; 31, bleed-off passage; 4, air inlet pipe; 5, adapter sleeve; 51, venthole; 6, cross filter ruffle; 7, filtering agent; 8, ready-packaged joint one; 9, ready-packaged joint two; 10, ready-packaged joint three; 11, ready-packaged joint four; 12, connector; 13, sealing ring; 14, motor.
The specific embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As depicted in figs. 1 and 2, this vacuum drying machine comprises frame 1, is arranged on the drying oven 2 on the frame 1 and can drives the rotating shaft 3 that drying oven 2 rotates.Drying oven 2 inside have cavity 21; On drying oven 2, also offer the charging aperture 22 and discharging opening 23 that are connected with this cavity 21, have bleed-off passage 31 in the rotating shaft 3, rotating shaft 3 one ends are fixed on the drying oven 2; And the bleed-off passage 31 of rotating shaft 3 is connected with the cavity 21 of drying oven 2; The other end of rotating shaft 3 links to each other with an evacuator, in the bleed-off passage 31 of rotating shaft 3, also is provided with an air inlet pipe 4, and air inlet pipe 4 one ends link to each other with a source nitrogen; The other end of air inlet pipe 4 is provided with a filter, and filter is in the cavity 21 of drying oven 2.
In the present embodiment, also be provided with heating wire on the furnace wall of drying oven 2, rotating shaft 3 links to each other with a motor 14 through gear drive.Heating wire on drying oven 2 furnace walls being to heating in the drying oven 2, thereby makes dry materials; The rotation of motor 14 drives the rotation of rotating shaft 3 again through gear drive.
Particularly, filter comprises adapter sleeve 5 with several ventholes 51, crosses filter ruffle 6 and was arranged on the filtering agent 7 in the filter ruffle 6, and in the present embodiment, filtering agent 7 is an active carbon, and active carbon can effectively adsorb moisture and the impurity in the nitrogen.Adapter sleeve 5 is fixed in the above-mentioned rotating shaft 3, crosses filter ruffle 6 and is set on the air inlet pipe 4, and be somebody's turn to do filter ruffle 6 and be located in adapter sleeve 5.The aperture of the venthole 51 on the adapter sleeve 5 is very little, and nitrogen can be gone out by this venthole 51, but the material in drying oven 2 cavitys 21 can't be entered in the adapter sleeve 5 by venthole 51.Filtering agent 7 through crossing in the filter ruffle 6 can fall moisture in the nitrogen and contaminant filter, prevents that these moisture or impurity from entering in the cavity 21 of drying oven 2.
Between adapter sleeve 5 and rotating shaft 3, be connected mutually through demountable structure one.The cleaning and the maintenance of such easy design adapter sleeve 5.Concrete, demountable structure one comprises ready-packaged joint 1 and ready-packaged joint 29, is connected mutually through a connection piece 12 between ready-packaged joint 1 and the rotating shaft 3, in connector 12, also is provided with sealing ring 13.Through sealing ring 13, guarantee the sealing between rotating shaft 3 and the connector 12.Ready-packaged joint 29 is fixed on the adapter sleeve 5, and ready-packaged joint 1 is connected together with ready-packaged joint 29.
Link to each other through demountable structure two crossing between filter ruffle 6 and the air inlet pipe 4.Such easy design is crossed the cleaning and the maintenance of filter ruffle 6.Concrete; Described demountable structure two comprises ready-packaged joint 3 10 and ready-packaged joint 4 11; Described ready-packaged joint 3 10 is fixed on the air inlet pipe 4, and described ready-packaged joint 4 11 was located in the filter ruffle 6, and described ready-packaged joint 3 10 is connected together with ready-packaged joint 4 11.
This vacuum drying machine is used for dried material, and main operation principle is following: material is entered in the cavity 21 of drying oven 2 by charging aperture 22, utilize in the cavity 21 of evacuator to drying oven 2 bleed, dehumidifier, make in the cavity 21 to be in vacuum state.Subsequently, motor 14 work drives rotating shaft 3 again through gear drive and rotates, and rotating shaft 3 drives drying oven 2 again and rotates, and the heating wire on drying oven 2 furnace walls being to heating in the drying oven 2, thereby makes dry materials.In the cavity 21 of drying oven 2, add nitrogen through air inlet pipe 4; The cavity 21 interior air and the moisture of drying oven 2 can better be taken away by evacuator; Simultaneously, nitrogen also can be used as protective gas, can prevent effectively that material from chemical reaction taking place when drying.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, frame morely; 2, drying oven; 21, cavity; 22, charging aperture; 23, discharging opening; 3, rotating shaft; 31, bleed-off passage; 4, air inlet pipe; 5, adapter sleeve; 51, venthole; 6, cross filter ruffle; 7, filtering agent; 8, ready-packaged joint one; 9, ready-packaged joint two; 10, ready-packaged joint three; 11, ready-packaged joint four; 12, connector; 13, sealing ring; 14, term such as motor, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (8)
1. a vacuum drier comprises frame (1), is arranged on the drying oven (2) on the frame (1) and can drives the rotating shaft (3) that drying oven (2) rotates, and described drying oven (2) inside has cavity (21); On drying oven (2), also offer the charging aperture (22) and the discharging opening (23) that are connected with this cavity (21); Have bleed-off passage (31) in the described rotating shaft (3), rotating shaft (3) one ends are fixed on the drying oven (2), and the bleed-off passage (31) of rotating shaft (3) is connected with the cavity (21) of drying oven (2); The other end of described rotating shaft (3) links to each other with an evacuator; It is characterized in that, also be provided with an air inlet pipe (4) in the bleed-off passage (31) of rotating shaft (3), described air inlet pipe (4) one ends link to each other with a source nitrogen; The other end of air inlet pipe (4) is provided with a filter, and described filter is in the cavity (21) of drying oven (2).
2. vacuum drier according to claim 1; It is characterized in that; Described filter comprises adapter sleeve (5), the mistake filter ruffle (6) with several ventholes (51) and was arranged on the filtering agent (7) in the filter ruffle (6); Described adapter sleeve (5) is fixed in the above-mentioned rotating shaft (3), and the described filter ruffle (6) of crossing is set on the air inlet pipe (4), and is somebody's turn to do filter ruffle (6) and is located in the adapter sleeve (5).
3. vacuum drier according to claim 2 is characterized in that, described filtering agent (7) is an active carbon.
4. vacuum drier according to claim 2 is characterized in that, is connected mutually through demountable structure one between described adapter sleeve (5) and the rotating shaft (3).
5. vacuum drier according to claim 4; It is characterized in that; Described demountable structure one comprises ready-packaged joint one (8) and ready-packaged joint two (9); Described ready-packaged joint one (8) is fixed in the rotating shaft (3), and described ready-packaged joint two (9) is fixed on the adapter sleeve (5), and described ready-packaged joint one (8) and ready-packaged joint two (9) are connected together.
6. according to claim 2 or 3 described vacuum driers, it is characterized in that described the mistake between filter ruffle (6) and the air inlet pipe (4) links to each other through demountable structure two.
7. vacuum drier according to claim 6; It is characterized in that; Described demountable structure two comprises ready-packaged joint three (10) and ready-packaged joint four (11); Described ready-packaged joint three (10) is fixed on the air inlet pipe (4), and described ready-packaged joint four (11) was located in the filter ruffle (6), and described ready-packaged joint three (10) and ready-packaged joint four (11) are connected together.
8. vacuum drier according to claim 5 is characterized in that, is connected mutually through a connection piece (12) between described ready-packaged joint one (8) and the rotating shaft (3), also is provided with sealing ring (13) in the described connector (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102867380A CN101943516B (en) | 2010-09-20 | 2010-09-20 | Vacuum drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102867380A CN101943516B (en) | 2010-09-20 | 2010-09-20 | Vacuum drier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943516A CN101943516A (en) | 2011-01-12 |
| CN101943516B true CN101943516B (en) | 2012-07-25 |
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ID=43435639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102867380A Active CN101943516B (en) | 2010-09-20 | 2010-09-20 | Vacuum drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101943516B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072620B (en) * | 2011-01-28 | 2012-12-05 | 福建南平南孚电池有限公司 | Vacuum baking oven for pole pieces of battery |
| CN102628640B (en) * | 2012-05-04 | 2014-04-16 | 浙江诚信医化设备有限公司 | Vacuum drying machine |
| CN103438673A (en) * | 2013-08-22 | 2013-12-11 | 江苏美星大地环保科技有限公司 | Vacuum pumping drying machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934470A (en) * | 1961-06-05 | 1963-08-21 | Chicago Bridge & Iron Co | Method and apparatus for drying insulation |
| CN201335593Y (en) * | 2008-12-31 | 2009-10-28 | 太仓市正信干燥设备厂 | Bipyramid vacuum drier |
| CN101571344A (en) * | 2009-06-11 | 2009-11-04 | 查晓峰 | Multifunctional vacuum conical mixing-drying unit |
| CN201434579Y (en) * | 2009-08-28 | 2010-03-31 | 金发科技股份有限公司 | High vacuum rotary drum cooling device for drying and tackifying polymer solid material |
| CN201438071U (en) * | 2009-06-30 | 2010-04-14 | 北京七星华创电子股份有限公司 | Silicon block drying oven |
| CN201828122U (en) * | 2010-09-20 | 2011-05-11 | 浙江诚信医化设备有限公司 | Vacuum dryer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS631509A (en) * | 1986-06-20 | 1988-01-06 | Hitachi Ltd | Batch type vacuum rotary dryer |
| JP2005093709A (en) * | 2003-09-17 | 2005-04-07 | Omega Semicon Denshi Kk | Dryer |
-
2010
- 2010-09-20 CN CN2010102867380A patent/CN101943516B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934470A (en) * | 1961-06-05 | 1963-08-21 | Chicago Bridge & Iron Co | Method and apparatus for drying insulation |
| CN201335593Y (en) * | 2008-12-31 | 2009-10-28 | 太仓市正信干燥设备厂 | Bipyramid vacuum drier |
| CN101571344A (en) * | 2009-06-11 | 2009-11-04 | 查晓峰 | Multifunctional vacuum conical mixing-drying unit |
| CN201438071U (en) * | 2009-06-30 | 2010-04-14 | 北京七星华创电子股份有限公司 | Silicon block drying oven |
| CN201434579Y (en) * | 2009-08-28 | 2010-03-31 | 金发科技股份有限公司 | High vacuum rotary drum cooling device for drying and tackifying polymer solid material |
| CN201828122U (en) * | 2010-09-20 | 2011-05-11 | 浙江诚信医化设备有限公司 | Vacuum dryer |
Non-Patent Citations (2)
| Title |
|---|
| JP昭63-1509A 1988.01.06 |
| JP特開2005-93709A 2005.04.07 |
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| CN101943516A (en) | 2011-01-12 |
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