CN201892405U - Stirring vacuum dryer - Google Patents
Stirring vacuum dryer Download PDFInfo
- Publication number
- CN201892405U CN201892405U CN2010206465724U CN201020646572U CN201892405U CN 201892405 U CN201892405 U CN 201892405U CN 2010206465724 U CN2010206465724 U CN 2010206465724U CN 201020646572 U CN201020646572 U CN 201020646572U CN 201892405 U CN201892405 U CN 201892405U
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Abstract
The utility model provides a stirring vacuum dryer, which belongs to the technical field of machinery, and solves the problems of reduction in drying speed and drying effect and the like caused by unavailable full overturn of a material by the conventional dryer. The stirring vacuum dryer comprises a conical drying furnace which is provided with a sealed drying cavity, wherein the upper part of the drying cavity is provided with a shaft-shaped stirring shaft which is inserted into the drying cavity; a stirring helical ribbon is wound at the periphery of the stirring shaft in a single screw form; a plurality of support rods are arranged between the stirring helical ribbon and the stirring shaft to fixedly connect the stirring helical ribbon with the stirring shaft; an air inlet which is communicated with the drying cavity is formed at a position of the lower part of the drying furnace which is positioned on a discharge hole; the outer end of the air inlet is connected with a nitrogen source; a vacuum pipe which is communicated with the drying cavity is arranged at a position on the upper part of the drying furnace which is positioned on a feeding hole; and the outer end of the vacuum pipe is connected with a vacuum device. By the stirring vacuum dryer, materials are uniformly heated after being fully overturned; and simultaneously, dry nitrogen is introduced into the drying cavity to take away water vapor evaporated from the materials, so that the drying efficiency is improved, and the drying effect is optimized.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of drying machine, particularly a kind of stirring-type 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.
Usually material need be overturn in vacuum drier, so two kinds of forms of general employing, a kind of is drying oven self the rotating band animal material upset of loaded material, and another kind is to insert agitating device in the drying oven to rotate the stirring materials overturning.
For example, Chinese patent literature once disclosed a kind of conical double ribbon internal heating stirring device [China Patent No.: ZL200910099303.2; Granted publication number: CN101607180A], by hollow ribbon cross sections shape being adopted the method for triangular form structure, the bulk strength and the stability of hollow ribbon have been strengthened, improved the manufacturing process reasonability, reduced material when rotating and support bar is produced lateral resistance brought unstability influence hollow shaft running with hollow ribbon.
Adopt the two ribbons that have on the shaft to rotate in the above-mentioned conical double ribbon internal heating stirring device and stir material, though it can stir material, but double-spiral structure is subjected to the restriction of general layout to making the upset space of material under power stirs cutting apart of operating space, be that material can not be realized omnibearing upset, the inequality thereby oven dry is heated causes rate of drying decline, effect to reduce.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of ribbon structure of single-screw shape of utilizing and has made the comprehensive upset of material, thereby realized the stirring-type vacuum drier that oven dry is heated evenly.
The purpose of this utility model can realize by following technical proposal: a kind of stirring-type vacuum drier, comprise taper drying oven with the dry cavity that is sealing, the upper and lower correspondence of described drying oven is offered charging aperture and the discharging opening that is connected with above-mentioned dry cavity, the top of described dry cavity is provided with the shaft that is a shape that inserts its inside, described shaft top connects can drive the drive unit that this shaft rotates, it is characterized in that, the periphery of described shaft is the single-screw shape and twines the stirring ribbon, between described stirring ribbon and the shaft some support bars being set is connected both, described drying oven bottom is positioned at the discharging opening place and offers the air admission hole that is communicated with above-mentioned dry cavity, the outer end of described air admission hole links to each other with a source nitrogen, described drying oven top is positioned at the charging aperture place and is provided with the vacuum tube that is communicated with above-mentioned dry cavity, and the outer end of described vacuum tube links to each other with vacuum plant.
Stirring ribbon in this stirring-type vacuum drier is single-screw and encompasses and drying oven taper in the same way, makes not have the dead angle in the dry cavity, and material all can be subjected to constant powered agitation.Drive unit is a technical equipment of the prior art, and it comprises motor, decelerator, syndeton etc.Vacuum plant is a technical equipment of the prior art, and it is used in vacuum action generally.During desiccation, the material of need drying is thrown in the dry cavity by charging aperture, shaft drives the stirring ribbon material is stirred, the drying oven periphery is provided with the lasting heat supply of firing equipment and dries, the dry nitrogen of air admission hole feeding by the drying oven lower end makes it that steam absorption that material evaporates is taken away simultaneously, is extracted out by vacuum plant from the vacuum tube on drying oven top; After drying finished, material flowed out dry cavity collection from discharging opening and gets final product.
In above-mentioned stirring-type vacuum drier, the taper degree of described kiln dried cavity is 38 degree.
In above-mentioned stirring-type vacuum drier, axial pipeline is offered at described shaft middle part, this pipeline top end has entrance and exit, and described stirring ribbon has cross section passage triangular in shape, and described shaft pipeline can be communicated with described stirring ribbon passage and form unidirectional circuit.The pipeline of shaft is middle part pipeline and outer shroud pipeline, heating agent flows into the middle part pipeline by pipeline top inlet, flow in the passage that stirs ribbon by first support bar that is siphunculus, and be that material heats in the process of from top to bottom flowing through, then the support bar that is siphunculus by last root flows back into the outer shroud pipeline, circulates until being flowed out by the outlet of pipeline top.
In above-mentioned stirring-type vacuum drier, described drying oven comprises the inner bag of taper, described charging aperture is positioned at the uncovered top of inner bag, and described discharging opening is the port that taper angle in inner bag lower end is opened, and described inner bag upper end is provided with its uncovered end socket of sealing.Material is entered by the minor diameter mouth by the major diameter mouth and discharges, and is convenient to reinforced and collection.
In above-mentioned stirring-type vacuum drier, be provided with sealing ring between described end socket and the inner bag, and end socket and inner bag are connected by bolt.Sealing ring makes and forms integral sealing in the dry cavity, and bolt connects can form firm fixing and detachable assembling.
In above-mentioned stirring-type vacuum drier, described vacuum tube is positioned on the above-mentioned end socket, and the inner port of vacuum tube can be communicated with above-mentioned dry cavity.The external port place of vacuum tube is provided with filter, and it filters out the material particles that carries in the nitrogen.
In above-mentioned stirring-type vacuum drier, offer the manhole that can be communicated with above-mentioned dry cavity on the described end socket, the hinged end cap that makes it form sealing of the external port of described manhole.When needs are reinforced, open end cap and feed in raw material by manhole, check and manipulate when manhole is for maintenance simultaneously.
In above-mentioned stirring-type vacuum drier, be provided with the mechanical seal that is set on the shaft between described drying oven and the shaft, described shaft can rotate around axis relative to described mechanical seal.Mechanical seal seals the slit between shaft and the drying oven.
In above-mentioned stirring-type vacuum drier, be coated with heat-insulation layer on the described drying oven outer wall.Heat-insulation layer comprises insulation jacket and adiabator layer, and it is to make the environment that temperature is constant in the dry cavity.
In above-mentioned stirring-type vacuum drier, the discharging opening of described drying oven lower end is connected with the blowing ball valve.The import of blowing ball valve is communicated with the drying oven exit seal, the discharging of its control material.
In above-mentioned stirring-type vacuum drier, described drying oven outer wall is provided with some ear seats.The ear seat is connected with frame, realizes laying of drying oven.
Compared with prior art, this stirring-type vacuum drier adopts and to be the stirring ribbon that the single-screw annular is wound in and to have realized the comprehensive upset of material, thereby it is heated evenly, each several part degree of dehydration unanimity; Feed the drying nitrogen opposite in the dry cavity simultaneously, make it take away the steam that evaporates in the material, improved drying efficiency, optimized drying effect with flow direction of material.
Description of drawings
Fig. 1 is the planar structure cross-sectional schematic of this stirring-type vacuum drier.
Fig. 2 is another angle planar structure schematic diagram of this stirring-type vacuum drier.
Among the figure, 1, inner bag; 1a, charging aperture; 1b, discharging opening; 1c, air admission hole; 2, end socket; 2a, vacuum tube; 2b, manhole; 2c, end cap; 3, shaft; 3a, inlet; 3b, outlet; 4, drive unit; 5, stir ribbon; 6, support bar; 7, mechanical seal; 8, heat-insulation layer; 9, blowing ball valve; 10, filter; 11 ear seats.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1 and Figure 2, this stirring-type vacuum drier comprises the taper drying oven with the dry cavity that is sealing, the top of dry cavity is provided with the shaft that is a shape 3 that inserts its inside, shaft 3 tops connect can drive the drive unit 4 that this shaft 3 rotates, the periphery of shaft 3 is the single-screw shape and twines stirring ribbon 5, stirs between ribbon 5 and the shaft 3 some support bars 6 that both are connected are set.
Drying oven comprises the inner bag 1 of taper, and the angle of taper of taper inner bag 1 is 38 degree.The uncovered top of inner bag 1 upper end has charging aperture 1a, it is discharging opening 1b that inner bag 1 lower end is positioned at the port of opening at the conical apex angle place, inner bag 1 upper end is provided with end socket 2, be provided with sealing ring between end socket 2 and the inner bag 1, and be connected by bolt on the periphery that end socket 2 and inner bag 1 fit, seal the uncovered of inner bag 1 thus; The be tightly connected import of blowing ball valve 9 of the discharging opening 1b of inner bag 1 lower end, it can control the discharging of material.The manhole 2b that checks and manipulate when offering on the end socket 2 for maintenance, the hinged end cap 2c that makes it form sealing of the external port of manhole 2b.Inner bag 1 lower end is positioned at offers the air admission hole 1c that is communicated with dry cavity on the sidewall at discharging opening 1b place, the outer end of air admission hole 1c links to each other with a source nitrogen, end socket 2 is provided with vacuum tube 2a, and the inner port of this vacuum tube 2a can be communicated with dry cavity, the external port place of vacuum tube 2a is provided with filter 10, and links to each other with vacuum plant.
Shaft 3 passes end socket 2 and inserts in the dry cavity, is provided with the mechanical seal 7 that is set on the shaft 3 between shaft 3 and the end socket 2, and mechanical seal 7 is rotated existing slit with shaft 3 relative to end socket 2 and sealed.The upper end that shaft 3 exposes drying oven connects drive unit 4, and drive unit 4 comprises existing technical equipment such as motor, decelerator, syndeton; Shaft 3 stretches on the periphery of part of dry cavity and is the support bar 6 that radiation level stretches out some varying lengths, the outer end of these support bars 6 all connects stirs ribbon 5, stir ribbon 5 and be single-screw, make the interior material of dry cavity evenly be subjected to constant powered agitation around shaft 3 extensions and formation and drying oven taper in the same way.Axial pipeline is offered at shaft 3 middle parts, pipeline is divided into middle part pipeline and outer shroud pipeline, the pipeline top end is offered inlet 3a that is communicated with the middle part pipeline and the outlet 3b that is communicated with the outer shroud pipeline, stir ribbon 5 and have cross section passage triangular in shape, this passage is communicated with the middle part pipeline by first support bar 6 that is siphunculus that is positioned at the upper end, and this passage is siphunculus by last root that is positioned at the lower end support bar 6 is communicated with the outer shroud pipeline.
Be coated with heat-insulation layer 8 on the outer wall of the inner bag 1 of taper, heat-insulation layer 8 comprises insulation jacket and adiabator layer, and it is to make the environment that temperature is constant in the dry cavity.Also be provided with some ear seats 11 on the outer wall of inner bag 1, this ear seat 11 is circumferentially and the center is symmetrical arranged, and it can be connected the location of realizing drying oven and lay with frame.
When carrying out drying process, end cap 2c opened and by manhole 2b material is added in the dry cavity of taper, then inner bag 1 periphery is provided with firing equipment and continues heat supply and dry, and shaft 3 drives and stirs 5 pairs of materials of ribbons and carry out evenly stirring fully simultaneously.Heating agent is gone into 3a by the pipeline top flow into the middle part pipeline, flow in the passage that stirs ribbon 5 by first support bar 6, and be that material heats in the process of from top to bottom flowing through, then flow back into the outer shroud pipeline, until flowing out the circulation that unidirectional circuit is continued in the back that is heated by pipeline top outlet 3b by last root support bar 6.The air admission hole 1c of inner bag 1 lower end feeds dry nitrogen when stirring drying, according to the mass transfer principle, the steam that dry nitrogen evaporates material absorbs to be taken away, and filters out the material particles that carries in the nitrogen by the vacuum tube 2a on top and by filter 10, is extracted out by vacuum plant again.After drying finishes, open blowing ball valve 9, material flows out dry cavity collection from discharging opening 1b and gets final product.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used inner bag 1 morely; Charging aperture 1a; Discharging opening 1b; Air admission hole 1c; End socket 2; Vacuum tube 2a; Manhole 2b; End cap 2c; Shaft 3; Inlet 3a; Outlet 3b; Drive unit 4; Stir ribbon 5; Support bar 6; Mechanical seal 7; Heat-insulation layer 8; Blowing ball valve 9; Filter 10; Ear seat 11 terms such as grade, 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 utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. stirring-type vacuum drier, comprise taper drying oven with the dry cavity that is sealing, the upper and lower correspondence of described drying oven is offered charging aperture (1a) and the discharging opening (1b) that is connected with above-mentioned dry cavity, the top of described dry cavity is provided with the shaft that is a shape (3) that inserts its inside, described shaft (3) top connects can drive the drive unit (4) that this shaft (3) rotates, it is characterized in that, the periphery of described shaft (3) is the single-screw shape and twines stirring ribbon (5), between described stirring ribbon (5) and the shaft (3) some support bars (6) being set is connected both, described drying oven bottom is positioned at discharging opening (1b) and locates to offer the air admission hole (1c) that is communicated with above-mentioned dry cavity, the outer end of described air admission hole (1c) links to each other with a source nitrogen, described drying oven top is positioned at charging aperture (1a) to be located to be provided with the vacuum tube (2a) that is communicated with above-mentioned dry cavity, and the outer end of described vacuum tube (2a) links to each other with vacuum plant.
2. stirring-type vacuum drier according to claim 1 is characterized in that, the taper degree of described kiln dried cavity is 38 degree.
3. stirring-type vacuum drier according to claim 1, it is characterized in that, axial pipeline is offered at described shaft (3) middle part, this pipeline top end has inlet (3a) and outlet (3b), described stirring ribbon (5) has cross section passage triangular in shape, and described shaft (3) pipeline can be communicated with described stirring ribbon (5) passage and form unidirectional circuit.
4. according to claim 1 or 2 or 3 described stirring-type vacuum driers, it is characterized in that, described drying oven comprises the inner bag (1) of taper, described charging aperture (1a) is positioned at the uncovered top of inner bag (1), the port that described discharging opening (1b) is opened for inner bag (1) lower end taper angle, described inner bag (1) upper end is provided with its uncovered end socket (2) of sealing.
5. stirring-type vacuum drier according to claim 4 is characterized in that, is provided with sealing ring between described end socket (2) and the inner bag (1), and end socket (2) is connected by bolt with inner bag (1).
6. stirring-type vacuum drier according to claim 5 is characterized in that, described vacuum tube (2a) is positioned on the above-mentioned end socket (2), and the inner port of vacuum tube (2a) can be communicated with above-mentioned dry cavity.
7. stirring-type vacuum drier according to claim 5 is characterized in that, offers the manhole (2b) that can be communicated with above-mentioned dry cavity on the described end socket (2), the hinged end cap (2c) that makes it form sealing of the external port of described manhole (2b).
8. according to claim 1 or 2 or 3 described stirring-type vacuum driers, it is characterized in that, be provided with the mechanical seal (7) that is set on the shaft (3) between described drying oven and the shaft (3), described shaft (3) can rotate around axis relative to described mechanical seal (7).
9. according to claim 1 or 2 or 3 described stirring-type vacuum driers, it is characterized in that, be coated with heat-insulation layer (8) on the described drying oven outer wall.
10. according to claim 1 or 2 or 3 described stirring-type vacuum driers, it is characterized in that the discharging opening (1b) of described drying oven lower end is connected with blowing ball valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206465724U CN201892405U (en) | 2010-12-08 | 2010-12-08 | Stirring vacuum dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206465724U CN201892405U (en) | 2010-12-08 | 2010-12-08 | Stirring vacuum dryer |
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| Publication Number | Publication Date |
|---|---|
| CN201892405U true CN201892405U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206465724U Expired - Lifetime CN201892405U (en) | 2010-12-08 | 2010-12-08 | Stirring vacuum dryer |
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| CN (1) | CN201892405U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234334A (en) * | 2013-04-08 | 2013-08-07 | 马锡林 | Single-cone drier for feeding liquid continuously |
| CN103486329A (en) * | 2013-09-29 | 2014-01-01 | 浙江诚信医化设备有限公司 | Ball head assembly and drying machine valve installing structure with same |
| CN103590605A (en) * | 2013-10-29 | 2014-02-19 | 林清辉 | Feeding device of heat preservation material coating machine |
| CN103604282A (en) * | 2013-11-21 | 2014-02-26 | 倪任林 | Equipment and method for manufacturing anhydrous nanometer montmorillonoid |
| CN104089464A (en) * | 2014-06-24 | 2014-10-08 | 珠海格力电器股份有限公司 | Pressure container dehumidification system |
| CN104359292A (en) * | 2014-11-03 | 2015-02-18 | 常州一步干燥设备有限公司 | Stirring vacuum drying machine of scraping plate |
| CN104359291A (en) * | 2014-10-30 | 2015-02-18 | 安徽首文高新材料有限公司 | Vacuum drying mixer used for soft magnetic raw materials |
| CN104457184A (en) * | 2014-11-07 | 2015-03-25 | 南通密炼捏合机械有限公司 | Mixing and drying device for plastic granules |
| CN105333706A (en) * | 2015-12-04 | 2016-02-17 | 江苏碧诺环保科技有限公司 | Drying machine |
| CN105716400A (en) * | 2013-03-31 | 2016-06-29 | 陆文光 | Helical ribbon vacuum dryer and working method thereof |
| CN106091638A (en) * | 2016-08-05 | 2016-11-09 | 蚌埠精工制药机械有限公司 | A kind of spiral cylinder drying device |
| CN108692525A (en) * | 2018-05-21 | 2018-10-23 | 太仓市友联干燥粉碎设备有限公司 | A kind of anti-caking crushing vacuum drier |
| CN110002119A (en) * | 2019-03-13 | 2019-07-12 | 南京和澳自动化科技有限公司 | A kind of homogeneous divides equally discharge bucket and quantitative contracting device |
| CN111715108A (en) * | 2020-06-16 | 2020-09-29 | 上海大川原德莱因设备工程有限公司 | Stirring hybrid system, drying system and sterilization system |
-
2010
- 2010-12-08 CN CN2010206465724U patent/CN201892405U/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716400A (en) * | 2013-03-31 | 2016-06-29 | 陆文光 | Helical ribbon vacuum dryer and working method thereof |
| CN103234334B (en) * | 2013-04-08 | 2015-04-01 | 马锡林 | Single-cone drier for feeding liquid continuously |
| CN103234334A (en) * | 2013-04-08 | 2013-08-07 | 马锡林 | Single-cone drier for feeding liquid continuously |
| CN103486329A (en) * | 2013-09-29 | 2014-01-01 | 浙江诚信医化设备有限公司 | Ball head assembly and drying machine valve installing structure with same |
| CN103486329B (en) * | 2013-09-29 | 2015-11-18 | 浙江诚信医化设备有限公司 | A kind of bulb assembly and the dryer mounting structure for valve with bulb assembly |
| CN104775601A (en) * | 2013-10-29 | 2015-07-15 | 林清辉 | Feeding device for heat-preservation material sprayer with driving mechanism II |
| CN103590605A (en) * | 2013-10-29 | 2014-02-19 | 林清辉 | Feeding device of heat preservation material coating machine |
| CN104847095A (en) * | 2013-10-29 | 2015-08-19 | 林清辉 | Improved feeding device of thermal insulation material coating machine |
| CN103590605B (en) * | 2013-10-29 | 2015-07-01 | 林清辉 | Feeding device of heat preservation material coating machine |
| CN103604282B (en) * | 2013-11-21 | 2015-09-09 | 倪任林 | A kind of Apparatus for () and method therefor manufacturing waterless nano imvite |
| CN103604282A (en) * | 2013-11-21 | 2014-02-26 | 倪任林 | Equipment and method for manufacturing anhydrous nanometer montmorillonoid |
| CN104089464A (en) * | 2014-06-24 | 2014-10-08 | 珠海格力电器股份有限公司 | Pressure container dehumidification system |
| CN104359291A (en) * | 2014-10-30 | 2015-02-18 | 安徽首文高新材料有限公司 | Vacuum drying mixer used for soft magnetic raw materials |
| CN104359292A (en) * | 2014-11-03 | 2015-02-18 | 常州一步干燥设备有限公司 | Stirring vacuum drying machine of scraping plate |
| CN104457184A (en) * | 2014-11-07 | 2015-03-25 | 南通密炼捏合机械有限公司 | Mixing and drying device for plastic granules |
| CN105333706A (en) * | 2015-12-04 | 2016-02-17 | 江苏碧诺环保科技有限公司 | Drying machine |
| CN105333706B (en) * | 2015-12-04 | 2018-06-01 | 江苏碧诺环保科技有限公司 | A kind of drying machine |
| CN106091638A (en) * | 2016-08-05 | 2016-11-09 | 蚌埠精工制药机械有限公司 | A kind of spiral cylinder drying device |
| CN108692525A (en) * | 2018-05-21 | 2018-10-23 | 太仓市友联干燥粉碎设备有限公司 | A kind of anti-caking crushing vacuum drier |
| CN110002119A (en) * | 2019-03-13 | 2019-07-12 | 南京和澳自动化科技有限公司 | A kind of homogeneous divides equally discharge bucket and quantitative contracting device |
| CN111715108A (en) * | 2020-06-16 | 2020-09-29 | 上海大川原德莱因设备工程有限公司 | Stirring hybrid system, drying system and sterilization system |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110706 |
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| CX01 | Expiry of patent term |