CN205316869U - Drier - Google Patents

Abstract

The utility model discloses a drier, include that the furnace body has feed inlet and the discharge gate that supplies the material to add, take out along the furnace body of horizontal direction setting, wear to establish the pivot in the furnace body cavity to and the setting is used for making the material all by stirring and crushing in the axial of pivot, radial orientation at the epaxial stirring subassembly of commentaries on classics, stirring subassembly. To dry material the time, under the drive of pivot, the stirring subassembly is the enough stirring article material of homoenergetic in the axial of pivot and radial direction for the material can be followed the axial of pivot and radially roll in the furnace body, in stirring article material, can also be with comminuted, material that the granulation is littleer to increase material and external environment heat convection's area improves the drying efficiency of material, and improves the drying effect of material.

Description

A kind of drying machine

Technical field

The utility model relates to heat drying technical field in environmental protection industry (epi), is specifically related to a kind of drying machine.

Background technology

Mud is the product in sewage treatment process, containing a large amount of organism, heavy metal and mould etc., if not adding follow-up process environment can be caused severe contamination, therefore, often mud is carried out concentrated and processed, but the moisture percentage in sewage sludge after this process is usually more than 70%, also need mud is carried out drying treatment further.

The drying oven in prior art, drying sludge adopted, its structure is drying oven as disclosed in Chinese patent literature CN201058838Y mostly, comprise body of heater, the transmission shaft being arranged in body of heater, it is arranged on transmission shaft outer wall and the radial some hollow blade extended, hollow blade and furnace body outer wall are heated into high-temperature gas by leading in transmission shaft so that in body of heater, form hot environment. To in dry materials process, material is in the cavity that inboard wall of furnace body, transmission shaft and blade outer wall are formed, under the rotation of transmission shaft, blade stirs material along the direction that transmission shaft rotates, material is stirred in cavity, and and carries out convective heat exchange between blade outer wall, transmission shaft outer wall and inboard wall of furnace body.

But, above-mentioned drying oven, material is transmitted the unidirectional blade stirring of axle all the time, rolls along same direction, the heat-transfer effect in later stage can be reduced on the one hand, on the other hand, for the material that some humidity are bigger, can cause along the rolling of same direction and bond between material, affect the shatter value of material, being unfavorable for convective heat exchange, cause heat exchange efficiency low, drying effect is not good.

Practical novel content

Therefore, technical problem to be solved in the utility model is to overcome the defect that in prior art, kiln dried efficiency is low, drying effect is not good, thus provides a kind of and can improve drying efficiency and improve the drying machine of drying effect.

For this reason, the utility model provides a kind of drying machine, comprises

Body of heater, is arranged in the horizontal direction, has cavity, adds for material, the opening for feed that takes out, discharge port;

Rotating shaft, is located in the cavity of described body of heater;

Mixing component, is arranged in described rotating shaft, for make material described rotating shaft axial, be all stirred and pulverize in the radial direction; And

Heating unit, for giving the wall face heating of described body of heater and/or rotating shaft; Or external world's hot gas is introduced in described body of heater, carry out heat exchange with material.

Above-mentioned drying machine, described mixing component comprises

Stir shaft, is arranged on the outer wall of described rotating shaft, and the radial direction towards described rotating shaft extends, and multiple along the axial outer wall distribution of described rotating shaft;

Blade, for multiple, is inclined on described stir shaft.

Above-mentioned drying machine, described blade is removably set on described stir shaft, and described mixing component also comprises locking piece, for the required position being locked on described stir shaft by described blade.

Above-mentioned drying machine, also arranges some the blade plates for comminuting matter on the circumference face of described rotating shaft, and described plate one end is fixed on the outer wall of rotating shaft, and the other end is along the radial extension of rotating shaft; And some blades are set on described plate.

Above-mentioned drying machine, multiple stir shaft is distributed on the multiple spaced circumference face of described rotating shaft, and each circumference face of described rotating shaft is distributed with at least one stir shaft.

Above-mentioned drying machine, the stir shaft on adjacent circumferential face is positioned on different vertical planes.

Above-mentioned drying machine, each circumference face of described rotating shaft is distributed with at least four described stir shafts, and at least four described stir shafts are uniformly distributed on this circumference face.

Above-mentioned drying machine, described stir shaft is at least four, four described stir shafts are separately positioned on four circumference faces of described rotating shaft, and four described stirring shafts are successively set in the bottom outer wall on the rear portion outer wall on the anterior outer wall in the top exterior walls on the Z direction of principal axis of described rotating shaft, on Y-axis direction, on Y-axis direction and on Z direction of principal axis respectively.

Above-mentioned drying machine, the spacing in adjacent two the circumference faces being provided with described stir shaft is 5-15 centimetre; Spacing between the edge of the close inboard wall of furnace body side of described blade and described inboard wall of furnace body is 0.5-10 centimetre.

Above-mentioned drying machine, described blade is plate, stir shaft in the axial direction on offer chute, described blade lean is arranged in described chute, and fixes with described locking piece.

The angle that above-mentioned drying machine, the horizontal axis of described rotating shaft and the transverse axis line of described body of heater are formed is 3 °-8 °; The angle that described blade lean is arranged on described stir shaft is for being greater than 0 ° and be less than or equal 20 °.

The technical scheme that the utility model provides, tool has the following advantages:

1. the utility model provides a kind of drying machine, comprises the body of heater arranged in the horizontal direction, body of heater have add for material, the opening for feed that takes out and discharge port; The rotating shaft being located in body of heater cavity, and the mixing component being arranged in rotating shaft, mixing component for make material rotating shaft axial, be all stirred and pulverize in the radial direction.

Above-mentioned drying machine, to in dry materials process, material is added in the cavity of body of heater, under the rotation of rotating shaft, mixing component is driven to rotate in body of heater, mixing component not only stirs material on the axial direction due of rotating shaft, can also at the stirring material in the radial direction of rotating shaft, make the material can along the axis of rotating shaft and radial roller in body of heater, increase the time that material is stirred, increase and external environment convective heat exchange area, avoid only stirring in one direction material, material is bonded together, affects the loosening degree of material; In addition, mixing component is while stirring material, additionally it is possible to by crushing material, forms the material that particle is less, thus increases material and the area of external environment convective heat exchange, it is to increase the drying efficiency of material, and improves the drying effect of material.

2. the drying machine that the utility model provides, mixing component comprises the stir shaft being arranged on rotating shaft outer wall, and stir shaft extends towards the radial direction of rotating shaft, and multiple stir shaft distributes along the axial outer wall of rotating shaft;And multiple blade, blade lean is arranged on stir shaft. Under axis of rotation, stir shaft and blade are all along with axis of rotation, material is stirred in the axis of rotating shaft and radial direction by multiple stir shaft and blade simultaneously, and in whipping process, blade can comminuting matter, and material can be thrown in the cavity of body of heater, material is not only rolled in body of heater, can also move in body of heater cavity, increase the area of material and external environment convective heat exchange, thus improve heat exchange efficiency.

3. the drying machine that the utility model provides, blade is removably set on described stir shaft, and mixing component also comprises locking piece, for the required position being locked on described stir shaft by described blade. Blade moves on stir shaft, and the gap between adjustment blade and inboard wall of furnace body, to change blade to material stirring and crushing effect, and material is driven down by blade, kinestate in body of heater, so that it is determined that the residence time of material in body of heater, meets the dry demand of different material.

4. the drying machine that the utility model provides, multiple stir shaft is distributed on the multiple spaced circumference face of rotating shaft, and each circumference face of rotating shaft is distributed with at least one stir shaft. When the spindle is rotated, rotating shaft drive the stir shaft on multiple circumference face and on blade material is stirred and pulverizes, the material being positioned on rotating shaft axial direction due can both be stirred by the stir shaft on the circumference face of corresponding position rotating shaft and blade and pulverize, guarantee that in body of heater, material all can be stirred by blade and pulverize, and stir and pulverize effect evenly, improve the effect of dry materials.

5. the drying machine that the utility model provides, stir shaft is at least four, four stir shafts are separately positioned on four circumference faces of described rotating shaft, and four stir shafts are successively set in the bottom outer wall on the rear portion outer wall on the anterior outer wall in the top exterior walls on the Z direction of principal axis of rotating shaft, on Y-axis direction, on Y-axis direction and on Z direction of principal axis respectively. Stir shaft adopts this arrangement mode, in axis of rotation process, the moment that two stir shaft countershafts in top exterior walls and bottom outer wall produce balances mutually, the moment that two stir shaft countershafts on adjacent anterior outer wall and rear portion outer wall produce balances mutually, make the more steady of rotating shaft, stir shaft and blade running, avoid rotating shaft to vibrate, it is to increase the work-ing life of drying oven.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is enforcement modes more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is a kind of structural representation implementing mode of drying machine provided in embodiment 1;

Fig. 2 is the right view of the structural representation of the drying machine provided in Fig. 1;

Description of reference numerals in figure: 1-body of heater; 11-opening for feed; 12-discharge port; 13-inlet mouth; 14-air outlet; 2-rotating shaft; 3-stir shaft; 4-blade; 5-locking piece; 6-transparent windows.

Embodiment

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.

In addition, if below in the described different enforcement mode of the utility model involved technology feature do not form conflict each other and just can be combined with each other.

Embodiment 1

Such as Fig. 1, the present embodiment provides a kind of drying machine, comprises

Body of heater 1, is arranged in the horizontal direction, has cavity, adds for material, the opening for feed 11 that takes out, discharge port 12;

Rotating shaft 2, is located in the cavity of described body of heater 1;

Mixing component, is arranged in described rotating shaft 2, for make material described rotating shaft 2 axial, be all stirred and pulverize in the radial direction; And

Heating unit, for giving the wall face heating of body of heater 1 and/or rotating shaft 2; Or external world's hot gas is introduced in described body of heater 1, carries out heat exchange with material.

Above-mentioned drying machine, to, in dry materials process, material is added in the cavity of body of heater 1, and high temperature gas flow adds in the cavity of body of heater 1, or body of heater 1, rotating shaft 2 wall face heated, in the cavity of body of heater 1, form hot environment; Under the rotation of rotating shaft 2, mixing component is driven to rotate in body of heater 1, mixing component not only stirs material on the axial direction due of rotating shaft 2, can also at the stirring material in the radial direction of rotating shaft 2 so that material along the axis of rotating shaft 2 and radial roller in body of heater 1, can increase the time that material is stirred, increase and external environment convective heat exchange area, avoid only stirring in one direction material so that material is bonded together, affect the loosening degree of material; In addition, mixing component is while stirring material, additionally it is possible to by crushing material, forms the material that particle is less, thus increases material and the area of external environment convective heat exchange, it is to increase the drying efficiency of material, and improves the drying effect of material.

As preferred embodiment, above-mentioned mixing component comprises stir shaft 3 and blade 4, and wherein stir shaft 3 is arranged on the outer wall of rotating shaft 2, and extends towards the radial direction of rotating shaft 2, and multiple along the axial outer wall distribution of rotating shaft 2; Blade 4 is multiple, and blade 4 is inclined on stir shaft 3. Under rotating shaft 2 is rotated, stir shaft 3 and blade 4 are all along with rotating shaft 2 is rotated, material is stirred in the axis of rotating shaft 2 and radial direction by multiple stir shaft 3 and blade 4 simultaneously, and in whipping process, blade 4 can also comminuting matter, and material is thrown in the cavity of body of heater, material is not only rolled in body of heater 1, can also move in body of heater 1 cavity, increase the area of material and external environment convective heat exchange, thus improve heat exchange efficiency.

As further preferred embodiment, the angle that blade 4 is inclined on stir shaft 3 outer wall is for being greater than 0 °, and is less than or equals 20 °. Such as, blade 4 tilting 1 °, 3 °, 5 °, 7 °, 10 °, 12 °, 15 °, 20 ° etc. and is equiangularly arranged on stir shaft 3, blade 4 not only has stirring action to also have the effect of comminuting matter. Considering stirring and the porphyrization of material, further preferably, blade 4 is tilted 5 °-10 ° and is arranged on stir shaft, blade 4 is generally no more than 20 ° in the angle of stir shaft 3 surface thereof.

As further preferred embodiment, blade 4 is removably set on stir shaft 3, and mixing component also comprises locking piece 5, for the required position being locked on stir shaft 3 by blade 4.Blade 4 moves on stir shaft 3, gap between adjustment blade 4 and body of heater 1 inwall, to change blade 4 to material stirring and crushing effect, and material is driven down by blade 4, kinestate in body of heater 1, so that it is determined that the residence time of material in body of heater 1, meet the dry demand of different material.

Such as, some material particles is less, and in drying process, stir shaft 3 and blade 4 mainly play stirring action, spacing between blade 4 and body of heater 1 inwall can be tuned up, material is made in blade 4 drive process, to be had more space move in body of heater 1 and roll, with external environment heat exchange. On the contrary, if some material particles is big, it is necessary to pulverized by material while stirring, accelerate drying efficiency, the residence time of material in body of heater 1 is reduced, so that it may the spacing between in blade 4 and body of heater 1 to be turned down, the crushing effect of reinforced blade 4.

As more preferred embodiment good, when the radius of body of heater 1 is 30-40 centimetre, spacing between the edge of the close body of heater 1 inwall side of blade 4 and body of heater 1 inwall is set to 0.5-10 cm range, such as 0.5 centimetre, 1 centimetre, 2 centimetres, 3 centimetres, 5 centimetres, 8 centimetres, 10 centimetres etc., so that forming reserving space between the edge of blade 4 and body of heater 1 inwall. More preferred scope is 4-5 centimetre, but, actual must determine according to parameters such as the performance of material itself, dry demands.

As the preferred implementation that blade 4 is removably set on stir shaft 3, blade 4 is plate, stir shaft 3 in the axial direction on offer chute, blade 4 is directly inserted in chute, treat that blade 4 slides into required position, when tilting required angle, directly with locking piece 5, blade 4 is locked on stir shaft 3, such as nut or pin, plug-in unit. As distortion, blade 4 can also for having the plate of intermediate throughholes, and the outer wall of stir shaft 3 has outside screw, and blade 4 is set on stir shaft 3, and fixes with described locking piece 5, such as nut, pin etc. In addition, it is also possible to adopt in prior art other slip device or update device, blade 4 is moved on stir shaft 3, and then the part 5 that is locked is fixed.

As preferred embodiment, multiple stir shaft 3 is distributed on the multiple spaced circumference face of rotating shaft 2, and each circumference face of rotating shaft 2 is distributed with at least one stir shaft 3. Stir shaft 3 is all arranged in multiple circumference faces of rotating shaft 2, when rotating shaft 2 is rotated, rotating shaft 2 drive the stir shaft 3 on multiple circumference face and on blade 4 material is stirred and pulverizes, make the material being positioned on rotating shaft 2 axial direction due can both be stirred by the stir shaft 3 on the circumference face of corresponding position rotating shaft 2 and blade 4 and pulverize, guarantee that in body of heater 1, material all can be stirred by blade and pulverize, and stir and pulverize effect evenly, improve the effect of dry materials.

As further preferred embodiment, each circumference face of rotating shaft 2 is distributed with four stir shafts, 3, four stir shafts 3 and is uniformly distributed on this circumference face. Blade 4 on each four stir shaft 3 circumferentially and stir shaft 3 is under the rotation of rotating shaft 2, constantly material is stirred and pulverize, the interval time making the material being in same position place be stirred and pulverize is shorter, the number of times stirred in unit time and pulverize is more, the particle of material is more and more less, and material moves more violent in body of heater 1 cavity, so that the area of material and external environment convective heat exchange is bigger, more easily dried. As distortion, the number of the stir shaft 3 on each circumference face of rotating shaft 2 can also be five, six, seven, eight etc., and best arrangement mode, multiple stir shaft 3 is evenly distributed on this circumference face.

As more preferred embodiment good, stir shaft 3 on adjacent circumferential face is positioned on different vertical planes, now, the material being in adjacent position is undertaken stirring and pulverizing by the stir shaft 3 on different vertical plane, blade 4, the direction that adjacent material is stirred is inconsistent, the motion track of adjacent material is also inconsistent, material is made to be in admixture in cavity further, can not be bonded together, improve the loosening degree of material, easier and external environment carries out convective heat exchange, improves heat exchange efficiency further.

As the best preferred embodiment, stir shaft 3 is four, four stir shafts 3 are separately positioned on four circumference faces of rotating shaft 2, and four stir shafts 3 are successively set in the bottom outer wall on the rear portion outer wall on the anterior outer wall in the top exterior walls on the Z direction of principal axis of rotating shaft 2, on Y-axis direction, on Y-axis direction and on Z direction of principal axis respectively. Stir shaft 3 adopts this arrangement mode, in rotating shaft 2 rotation process, the moment that two stir shaft 3 countershafts 2 in top exterior walls and bottom outer wall produce can balance mutually, the moment that two stir shaft 3 countershafts 2 on adjacent anterior outer wall and rear portion outer wall produce balances mutually, make the more steady of rotating shaft 2, stir shaft 3 and blade 4 running, avoid rotating shaft 2 to vibrate, it is to increase the work-ing life of drying oven.

As a deformation implementation mode of stir shaft 3 number, the number of stir shaft 3 can also be 8,12,16 etc., and also namely the quantity of stir shaft 3 is 4n, wherein n >=1, and every four stir shafts 3 repeat above-mentioned arrangement mode and are arranged on the outer wall of rotating shaft 2.

As another deformation implementation mode of stir shaft 3 number, the number of stir shaft 3 can also be 5,6,7,8 etc., multiple stir shaft 3 is separately positioned on the different circumference faces of rotating shaft 2, and from the radial observation of rotating shaft 2, multiple stir shaft 3 is distributed on the radial circumference of rotating shaft 2, it is the Along ent place being positioned at rotating shaft 2 radial circumference best, such as stir shaft 3 is six, six stir shafts 3 are distributed on six circumference faces, and from the radial observation of rotating shaft 2, six stir shafts 3 are just positioned at the six Along ent places in the circumference face of rotating shaft 2. Certainly, each circumference face of rotating shaft 2 can also arrange multiple stir shaft 3, material is stirred multi-facetedly and pulverize, and in cavity by material body of heater 1 so that material moves in body of heater 1.

As the deformation implementation mode of stir shaft 3 arrangement mode, when stir shaft 3 is four, four stir shafts 3 can also helically mode be arranged on the circumference face of four rotating shafts 2, and namely four stir shafts 3 are successively set on the anterior outer wall in the top exterior walls of the Z direction of principal axis of rotating shaft 2, the rear portion outer wall in Y-axis direction, the bottom outer wall of Z direction of principal axis and Y-axis direction respectively. This arrangement mode, in rotating shaft 2 rotation process, material also can be stirred and pulverize by stir shaft 3 and blade 4, but the moment that two stir shaft 3 countershafts 2 on adjacent anterior outer wall and rear portion outer wall produce can not balance in time, it is easy to cause rotating shaft 2 to have the generation of vibration phenomenon in the Y-axis direction.

As preferred embodiment, multiple stir shaft 3 is distributed on the multiple spaced circumference face of rotating shaft 2, the spacing in adjacent two the circumference face being provided with stir shaft 3 is preferably 5-15 centimetre, such as 5 centimetres, 6 centimetres, 7 centimetres, 7.5 centimetres, 8 centimetres, 10 centimetres, 12 centimetres, 15 centimetres etc.Best spacing is 7.5-10 centimetre.

As preferred embodiment, the angle scope that the horizontal axis of rotating shaft 2 and the transverse axis line of body of heater 1 are formed is 3 °-8 °, such as 3 °, 4 °, 5 °, 6 °, 7 °, 8 °.

In above-mentioned enforcement mode, the shape of blade can be square, trapezoidal, fan-shaped, the peach heart etc. other shapes, and its shape does not do concrete restriction, in addition, the surface of blade can be smooth plane, it is also possible to be the curved surface with certain radian transition, or the surface of other moulding can.

As the deformation implementation mode of mixing component, mixing component can also comprise the some union levers being arranged on the axial outer wall of rotating shaft 2, and the some fins being arranged on union lever around union lever outer wall, the arrangement mode of fin on union lever can the arrangement mode of similar prior art wind fan leaf, fin can rotate around the axis direction of union lever, and then stirred by material and pulverize. In addition, mixing component can also stir other whipping apptss with comminuting matter or shredding unit for realizing in prior art.

As a preferred implementation of heating unit, body of heater 1 is offered inlet mouth 13, air outlet 14 that heat supply gas flows into, flows out, inlet mouth 13 is connected to extraneous hotblast stove, hot gas in hotblast stove is transported in body of heater 1 through inlet mouth 13, hot gas and material carry out direct heat exchange, and the gas after heat exchange is discharged through air outlet 14. Namely, also this heating unit introduces in body of heater 1 by external world's hot gas, with material direct heat exchange, and then by dry materials.

As another preferred implementation of heating unit, the outer wall of body of heater 1 arranges chuck, heating chamber is formed between the outer wall of chuck and body of heater 1, thermal medium is placed in heating chamber, body of heater 1 is directly heated by thermal medium, making to be formed in body of heater 1 hot environment, thermal medium can be coal, Sweet natural gas or high-temperature gas. Also namely, this heating unit is directly heated by body of heater 1, and in material and body of heater 1 wall face and body of heater 1, hot environment carries out convective heat exchange, and then dried. , it is also possible to rotating shaft 2 is arranged to hollow structure, in addition while being heated by body of heater 1, also countershaft 2 heats so that material can also carry out convective heat exchange with the wall face of rotating shaft 2; Or only countershaft 2 heats so that the inner-wall surface of material and rotating shaft 2 carries out heat exchange.

Except the heating unit of above-mentioned two kinds of structures, heating unit can also adopt existing other heating unit in the art.

As the opening for feed 11 offered on body of heater 1, discharge port 12, inlet mouth 13 and air outlet 14 preferred embodiment, as depicted in figs. 1 and 2, opening for feed 11 is opened on the sidewall of body of heater 1 radial direction, discharge port 12 be opened in body of heater 1 along on Z direction of principal axis bottom outer wall on, inlet mouth 13 is opened in the body of heater 1 near opening for feed 11 place along in the top exterior walls on Z direction of principal axis, air outlet 14 is opened in body of heater 1 along in the top exterior walls on Z direction of principal axis, and relative with the position of discharge port 12.

As further preferred embodiment, the length of stir shaft 3 blade 4 arranged at rotating shaft 2 two ends can be more longer than the length of other position blades 4 a little, or a block is set in addition on blade 4, rotating shaft 2 is in rotation process, make the material being positioned at two side-walls of body of heater 1 radial direction can be stirred by blade 4 and pulverize, prevent from existing the region that material can not be stirred and pulverize.In addition, it is also possible on body of heater 1 wall face, offer transparent windows 6, the state that observation material is stirred in body of heater and pulverizes at any time it is convenient to.

In a word, the drying machine of the present embodiment, when to dry materials, first according to the performance of material, the parameters such as such as water ratio, size, degree of drying, adjust the spacing between blade 4 and body of heater 1 inwall, the angle that blade 4 is arranged in stir shaft 3 surface thereof, and spacing between adjacent two circumference faces in rotating shaft 2; And according to adding the amount of material, the amount of the hot gas introduced in body of heater 1, calculate material in body of heater 1, stop the degree of drying that how long just can reach necessary requirement, and can by test repeatedly, draw the optimized parameter that each material is dried, thus prepare the drying oven of relevant parameter.

Obviously, above-described embodiment is only for example is clearly described, and not to the restriction of the mode of enforcement. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without the need to also cannot all enforcement modes be given exhaustive. And the apparent change thus extended out or variation are still among the protection domain of the utility model creation.

Claims (10)

1. a drying machine, it is characterised in that, comprise

Body of heater (1), is arranged in the horizontal direction, has cavity, adds for material, the opening for feed (11) that takes out, discharge port (12);

Rotating shaft (2), is located in the cavity of described body of heater (1);

Mixing component, is arranged in described rotating shaft (2), for make material described rotating shaft (2) axial, be all stirred and pulverize in the radial direction; And

Heating unit, for giving the wall face heating of described body of heater (1) and/or rotating shaft (2); Or external world's hot gas is introduced in described body of heater (1), carry out heat exchange with material.

2. drying machine according to claim 1, it is characterised in that: described mixing component comprises

Stir shaft (3), is arranged on the outer wall of described rotating shaft (2), and the radial direction towards described rotating shaft (2) extends, and multiple along the axial outer wall distribution of described rotating shaft (2);

Blade (4), for multiple, is inclined on described stir shaft (3).

3. drying machine according to claim 2, it is characterized in that: described blade (4) is removably set on described stir shaft (3), described mixing component also comprises locking piece (5), for the required position being locked on described stir shaft (3) by described blade (4).

4. drying machine according to claim 3, it is characterized in that: multiple stir shaft (3) is distributed on the multiple spaced circumference face of described rotating shaft (2), each circumference face of described rotating shaft (2) is distributed with at least one stir shaft (3).

5. drying machine according to claim 4, it is characterised in that: the stir shaft (3) on adjacent circumferential face is positioned on different vertical planes.

6. drying machine according to claim 5, it is characterized in that: be distributed with at least four described stir shafts (3) on each circumference face of described rotating shaft (2), at least four described stir shafts (3) are uniformly distributed on this circumference face.

7. drying machine according to claim 4, it is characterized in that: described stir shaft (3) is at least four, four described stir shafts (3) are separately positioned on four circumference faces of described rotating shaft (2), and four described stir shafts (3) are successively set in the bottom outer wall on the rear portion outer wall on the anterior outer wall in the top exterior walls on the Z direction of principal axis of described rotating shaft (2), on Y-axis direction, on Y-axis direction and on Z direction of principal axis respectively.

8. drying machine according to claim 4, it is characterised in that: the spacing in adjacent two the circumference faces being provided with described stir shaft (3) is 5-15 centimetre; Spacing between the edge of close body of heater (1) the inwall side of described blade (4) and described body of heater (1) inwall is 0.5-10 centimetre.

9. drying machine according to claim 7, it is characterized in that: described blade (4) is plate, stir shaft (3) in the axial direction on offer chute, described blade (4) is inclined and mounted in described chute, and with described locking piece (5) fix.

10. drying machine according to claim 4, it is characterised in that: the angle that the horizontal axis of described rotating shaft (2) and the transverse axis line of described body of heater (1) are formed is 3 °-8 °; The angle that described blade (4) is inclined on described stir shaft (3) is for being greater than 0 ° and be less than or equal 20 °.