CN201764796U - Vortex ultra-fine crushing drier - Google Patents
Vortex ultra-fine crushing drier Download PDFInfo
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- CN201764796U CN201764796U CN2010201368925U CN201020136892U CN201764796U CN 201764796 U CN201764796 U CN 201764796U CN 2010201368925 U CN2010201368925 U CN 2010201368925U CN 201020136892 U CN201020136892 U CN 201020136892U CN 201764796 U CN201764796 U CN 201764796U
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- hothouse
- riser
- pipe
- drying machine
- fly cutter
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Abstract
The utility model provides a vortex ultra-fine crushing drier. The bottom part of the side wall of a cylindrical drying room is provided with a tangential rectangular air inlet and a feeding inlet; the bottom of the drying room is provided with a grading cone, and the circumference direction at the lower part of the side wall of the drying room is uniformly distributed with a plurality of crushing fly cutter groups. The side wall, the bottom part and an upper cover of the drying room are all in arc transition. A riser is arranged at the center of the upper cover of the drying room, and an air inlet of the riser is provided with a turbine grading wheel. The drier can finish operation of drying, crushing and internal grading and the like, and can run continuously, thus shortening the production process and reducing equipment investment. The vortex ultra-fine crushing drier adopts a comprehensive heat transfer mode of convection, conduction and radiation, reduces the production energy consumption, and is applicable to drying and ultra-fine crushing of pesticide, pesticide carrier, dye, pigment and other water-containing compounds and minerals.
Description
Technical field
The utility model belongs to the chemical industry equipment field, relates to a kind of eddy current ultramicro grinding drying machine particularly.
Background technology
Existing eddy current drying machine is that the side lower part at a steel cylinder has a rectangular inlet, and material and hot blast tangentially enter hothouse after mixing, and material is dried when rotating in hothouse.Dry back material is discharged from hothouse bottom centre discharging opening with gas, and the centrifugal force that this drying machine has also utilized the air-flow rotation to produce plays certain improvement effect to the drying of larger particles.But because of not pulverizing and grading, uncontrollable to the time of staying that makes particle in hothouse, the moisture content of product can not guarantee.When particularly product being had granularity requirements, the shortcoming of this drying machine is just more obvious.In addition, the meet at right angles shape welding of the loam cake of hothouse and base plate and sidewall, the problem of buildup is unavoidable.Reach a certain granularity requirements if desired, can only add pulverizer and grader again.So not only equipment investment strengthens, and production cost increases, and product yield also is difficult to guarantee.Hot blast rotates at a high speed in the hothouse side-walls, and heat can cause the unnecessary loss of heat by outwards conduction and radiation of sidewall.At a high speed the turbulent flow that produces of rotation can make the not dried or oarse-grained material of part discharge hothouse prematurely by exhaust duct to cause product granularity and moisture content inhomogeneous.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model proposes a kind of eddy current ultramicro grinding drying machine.This eddy current ultramicro grinding drying machine mainly enters pipe (12), thermal medium discharge pipe (11) and main shaft parts such as (13) by a minute gear stage (1), riser (2), discharge exhaust duct (3), turbine grading wheel (4), hothouse (5), chuck (6), blast pipe (7), feed pipe (8), classification cone (9), fly cutter group (10), thermal medium and forms.
The hothouse (5) of eddy current ultramicro grinding drying machine of the present utility model is a circular cylinder body, and cylindrical shell outside has the chuck (6) that can feed thermal medium, and thermal medium enters the upper and lower both sides that pipe (12) and thermal medium discharge pipe (11) lay respectively at chuck.Tangential blast pipe (7) is housed in the bottom of hothouse feeds hot blast.The vertical charge pipe (8) that connects on the same horizontal plane of this pipe, material tangentially enters hothouse (5) with after hot blast mixes.The sidewall of hothouse (5) and base plate have an arc transition, and a classification cone (9) is installed on base plate.On the circular passage that classification cone (9) and hothouse (5) sidewall form, be equipped with and pulverize fly cutter group (10), by the rotating speed of frequency control motor control fly cutter group (10), pulverize fly cutter group (10) and be positioned at hothouse (5) madial wall bottom.Hothouse (5) loam cake and sidewall also adopt the arc transition welding, and riser (2) is vertically mounted on hothouse (5) loam cake center, and discharge exhaust duct (3) is positioned at the sidewall of riser (2).
The center welded flange seat of loam cake, riser (2) is fixed on by flange and covers, and is welded with three bearings at riser (2) inwall, and this bearing is with 120 ° of distributions, to support turbine grading wheel (4).Turbine grading wheel (4) is fixed on main shaft (13) and goes up, connects with transmission device (1) by belt, and transmission device is driven by frequency control motor.The bottom that turbine grading wheel (4) is positioned at riser (2) connects with transmission device (1) by main shaft (13).
The hothouse (5) of the eddy current ultramicro grinding drying machine that the utility model provides highly is 0.6～2 times of diameter.Hothouse (5) loam cake is downwards from circumferential centroclinal, from the horizontal by the angles of 5～30 degree, and with sidewall by the arc transition welding to prevent buildup.50～100mm is extended to prevent gas and material short circuit to hothouse (5) in the lower end of riser (2).The outer rim of turbine grading wheel (4) and riser (2) inwall have the gap of 1.5～2mm, and rotating speed is 1000～3000r/min.In the classification cone (9) that install hothouse (5) bottom, the bottom of classification cone (9) and hothouse (5) sidewall have the distance of 50～100mm, and this cone base diameter is than the little 100～200mm of hothouse (5) diameter, and the base angle is 10～45 degree.Lower sidewall at hothouse (5) has tangential hot blast of rectangle and material inlet, and the height of air inlet is lower than the height of classification cone (9).In hothouse (5) lower sidewall, can install 1～6 group according to hothouse (5) diameter and pulverize fly cutter group (10), and entad arrange along circumference.Every group of fly cutter group edge and hothouse (5) bottom surface have the gap of 2～5mm, to guarantee oarse-grained crushing effect.Pulverize fly cutter group (10) and driven by variable-frequency motor, rotating speed is step-less adjustment in the scope of 1000～4000r/min.4～12 blades are housed on every group of fly cutter group, can be designed to straight knife tooth shape, circular arc knife-edge or zigzag etc. according to the form that requires blade of material and product.
The eddy current ultramicro grinding drying machine that adopts the utility model to provide, to be dried material and hot blast sent into hothouse (5) simultaneously by blast pipe (7) and feed pipe (8), owing to be tangentially to enter hothouse (5), the material of carrying secretly that is rotated hot blast produces high speed rotary motion in hothouse (5).Be subjected to action of centrifugal force, big granule materials concentrates near hothouse (5) sidewall.That is to say that particle is big more, the path of rotation is long more, helps dry materials more, and this meets drying rule.Simultaneously, material is done and is slided and roll having the hothouse of chuck (5) internal face, to the material transmission of rotation at a high speed, convection heat transfer' heat-transfer by convection and the interior thermal medium of chuck that material is subjected to hot blast have simultaneously quickened the drying of large granular materials to heat in the chuck (6) by the conduction heat transfer of sidewall by sidewall.Simultaneously oarse-grained hothouse (5) lower sidewall and annular large granular materials band of bottom surface generation of being rotated in.Be provided with on the passage of large granular materials process and pulverize fly cutter group (10) moment and pulverized.Along with reducing of particle diameter, particle moves to the center, is taken out of hothouse (5) by riser (2) after rising with air-flow, and indivedual bulky grains are trapped within the hothouse (5) by stopping of turbine grading wheel (4), discharge hothouse (5) after reaching requirement.
The heating of hot blast can be adopted diesel oil, conduction oil, coal, electrical heating, steam or flammable thermals source such as chemical gas.Can feed heat mediums such as steam, conduction oil, hot water according to needed temperature conditions in the chuck of hothouse (5).The hot blast inlet temperature is 150～400 ℃, and after mixing of materials, tangential intake velocity is 10～30m/s scope.Control the moisture content of product by the temperature of regulating hot blast inlet temperature and the interior thermal medium of chuck (6).By regulating the particle mean size of quantity, shape and the rotating speed control product of pulverizing fly cutter group (10) blade, the granularity of the physical dimension control product the largest particles by changing classification cone (9), the rotating speed by regulating turbine grading wheel (4) and the size distribution of structure control product.Adopt eddy current ultramicro grinding drying machine of the present invention, can be 20%～5% with moisture content, granularity after the material drying about 1～2mm, pulverizing, classification, obtain moisture content and be 5%～0.1%, the product of granularity in 0.1～50 mu m range.
The utlity model has following effect: can finish the operation such as drying, ultramicro grinding, classification of material, realized that drying, pulverizing, hierarchy are one, shorten technological process greatly, also avoided shifting environmental pollution and the product loss that material caused.Reduce equipment investment and running expense, improved the quality and the yield of product, reduced energy consumption simultaneously.The eddy current ultramicro grinding drying machine that the utility model proposes is applicable to the drying and the ultramicro grinding of agricultural chemicals, farm chemical carrier, dyestuff, pigment (organic pigment, inorganic pigment) and other aquo-compound, mineral.
Description of drawings
Fig. 1 is the structural representation of eddy current ultramicro grinding drying machine of the present utility model.
The specific embodiment
Eddy current ultramicro grinding drying machine, hothouse diameter are 800mm, highly are 600mm.The classification cone diameter 600mm of hothouse bottom.Install two groups in the hothouse bottom and pulverize the fly cutter group, every group of fly cutter is assembled with 5 straight knife tooth shape blades.The gap of 4mm is arranged at blade and hothouse bottom, and the working speed of fly cutter group is in 1000～2000r/min scope, and the pulverizing power of motor is 0.55kW.The external diameter of turbine grading wheel is 160mm, and rotating speed is 2500～2800r/min, and dynamo-electric acc power is 1.1kW.The chuck diameter is 880mm, feeds the saturated vapor of 0.6MPa.Hot blast heat-conducting oil furnace heat exchange, drying machine hot blast inlet temperature is 170 ℃, temperature of outgoing air is 80 ℃.System adopts former and later two blower fan heat air deliveries, and hothouse is a micro-negative pressure operation.The material of pulverizing to be dried is kaolin (an agricultural chemicals common carrier), and moisture content is 20%, and granularity is 1～2mm.By screw feeder control inlet amount, and after mixing, hot blast enters hothouse, the blast pipe wind speed is 15～18m/s.
Production capacity is 60kg/h; Obtaining the product moisture content is below 1%, and granularity is 5～10 μ m.
Claims (5)
1. an eddy current ultramicro grinding drying machine is characterized in that: mainly enter pipe (12), thermal medium discharge pipe (11) and main shaft (13) parts by a minute gear stage (1), riser (2), discharge and exhaust duct (3), turbine grading wheel (4), hothouse (5), chuck (6), blast pipe (7), feed pipe (8), classification cone (9), fly cutter group (10), thermal medium and form; Hothouse (5) is a circular cylinder body, there is the chuck (6) that can feed thermal medium the cylindrical shell outside, thermal medium enter pipe (12) and thermal medium discharge pipe (11) lay respectively at chuck on, following both sides, the hothouse bottom tangentially is installed into airduct (7), the vertical charge pipe (8) that connects on the same horizontal plane of this pipe, on hothouse (5) inner bottom plating classification cone (9) is housed, pulverize fly cutter group (10) and be positioned at hothouse (5) madial wall bottom, riser (2) is vertically mounted on hothouse loam cake center and fixes by flange, discharge exhaust duct (3) is positioned at the sidewall of riser (2), and the bottom that turbine grading wheel (4) is positioned at riser (2) connects with transmission device (1) by main shaft (13).
2. according to the described eddy current ultramicro grinding of claim 1 drying machine, it is characterized in that: the height of hothouse (5) is 0.6～2 times of diameter, and its loam cake is downwards from circumferential centroclinal, from the horizontal by the angle of 5～30 degree.
3. according to the described eddy current ultramicro grinding of claim 1 drying machine, it is characterized in that: the bottom of classification cone (9) and hothouse (5) sidewall have the distance of 50～100mm, and classification cone base angle is 10～45 degree.
4. according to the described eddy current ultramicro grinding of claim 1 drying machine, it is characterized in that: entad arrange that along circumference 1～6 group is pulverized fly cutter group (10) in the hothouse (5), every group of fly cutter group installed 4～12 blades.
5. according to the described eddy current ultramicro grinding of claim 4 drying machine, it is characterized in that: the blade of pulverizing fly cutter group (10) installation is straight knife tooth shape, circular arc knife-edge or zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201368925U CN201764796U (en) | 2010-03-22 | 2010-03-22 | Vortex ultra-fine crushing drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201368925U CN201764796U (en) | 2010-03-22 | 2010-03-22 | Vortex ultra-fine crushing drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201764796U true CN201764796U (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201368925U Expired - Fee Related CN201764796U (en) | 2010-03-22 | 2010-03-22 | Vortex ultra-fine crushing drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201764796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060065A (en) * | 2022-07-11 | 2022-09-16 | 四川龙锦宇科技有限公司 | Movable biomass vortex oscillation compound drying device system and application thereof |
-
2010
- 2010-03-22 CN CN2010201368925U patent/CN201764796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060065A (en) * | 2022-07-11 | 2022-09-16 | 四川龙锦宇科技有限公司 | Movable biomass vortex oscillation compound drying device system and application thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20160322 |