CN113007994A

CN113007994A - Double-cone rotary vacuum dryer

Info

Publication number: CN113007994A
Application number: CN202110445002.1A
Authority: CN
Inventors: 梅其晖; 何晓君
Original assignee: Taizhou Hengji Medical Chemical Equipment Co ltd
Current assignee: Taizhou Hengji Medical Chemical Equipment Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-06-22
Anticipated expiration: 2041-04-24
Also published as: CN113007994B

Abstract

The utility model relates to a bipyramid gyration vacuum drying machine relates to the field of desiccator, and it includes frame, drying cylinder and driving piece, and the drying cylinder rotates to be connected in the frame, and driving piece drive drying cylinder rotates, is provided with first fixing base and second fixing base in the drying cylinder, and it has the pouring weight to go up and down to slide between first fixing base and the second fixing base, and at the rotation in-process of drying cylinder, the pouring weight slides and in proper order repeated striking first fixing base and second fixing base. The drying cylinder rotates the in-process and drives pouring weight round trip movement, and then in proper order first fixing base of repeated striking or second fixing base pulverize in order to the wet material in the drying cylinder, has reduced the condition that wet material reunited the piece for wet material is heated more evenly, and is dry more abundant, has reduced the output of not dry complete material, makes the drying cylinder better to the drying effect of wet material.

Description

Double-cone rotary vacuum dryer

Technical Field

The application relates to the field of dryers, in particular to a double-cone rotary vacuum dryer.

Background

The double-cone rotary vacuum drier is a novel drier integrating mixing and drying, and is used for drying heat-sensitive materials or materials containing solvents which can not be directly contacted with high-temperature air.

The double-cone rotary vacuum dryer is a double-cone rotary tank body, and a jacket heating mode is adopted to dry wet materials. In the vacuum state, the heat medium is introduced into the jacket to exchange heat with the wet material to be dried in the inner cavity of the cylinder, the wet material absorbs heat to evaporate water, and the evaporated water is pumped away by the vacuum pump through the vacuum tube, so that the aim of drying the material is fulfilled.

Because wet material carries moisture, the viscosity that leads to wet material is great, and jar body gyration in-process, wet material easily takes place to reunite and forms cubic material, and the moisture that the inside wet material of cubic material carried is difficult for evaporating, leads to easily thoughtlessly having not dry complete material in the material after the drying, and drying effect is relatively poor, remains to improve.

Disclosure of Invention

In order to improve the problem that the drying effect of the double-cone rotary vacuum drying machine on wet materials is poor, the application provides a double-cone rotary vacuum drying machine.

The application provides a bipyramid gyration vacuum drying machine adopts following technical scheme:

the utility model provides a bipyramid gyration vacuum drying machine, includes frame, drying cylinder and driving piece, drying cylinder rotate connect in the frame, the driving piece drive drying cylinder rotates, be provided with first fixing base and second fixing base in the drying cylinder, first fixing base with it has the pouring weight to go up and down to slide between the second fixing base in the rotation in-process of drying cylinder, the pouring weight slides and in proper order repeated striking first fixing base with the second fixing base.

Through adopting above-mentioned technical scheme, when the drying cylinder rotates to first fixing base and is located the below, the wet material of part in the drying cylinder removes to between pouring weight and the first fixing base, the pouring weight moves towards the direction that is close to first fixing base under the action of gravity, and then strikes first fixing base, extrude the crushing with the wet material that is located between first fixing base and the pouring weight, and in the same way, when the drying cylinder rotates to the second fixing base and is located the below, the wet material of part in the drying cylinder removes to between pouring weight and the second fixing base, the pouring weight takes place to remove and then strikes the second fixing base under the action of gravity, extrude the crushing with the wet material that is located between second fixing base and the pouring weight.

The drying cylinder rotates the in-process and drives pouring weight round trip movement, and then in proper order first fixing base of repeated striking or second fixing base pulverize in order to the wet material in the drying cylinder, has reduced the condition that wet material reunited the piece for wet material is heated more evenly, and is dry more abundant, has reduced the output of not dry complete material, makes the drying cylinder better to the drying effect of wet material.

Optionally, the pouring weight includes striking portion, set up in first portion and the second portion of sliding on the striking portion, be provided with the trachea in the frame, be equipped with first cavity on the first fixing base, first portion of sliding slide connect in the first cavity, be equipped with the second cavity on the second fixing base, second portion of sliding slide connect in the second cavity, a drying section of thick bamboo rotates and makes the trachea with first cavity intercommunication, just a drying section of thick bamboo rotates and makes the trachea with second cavity intercommunication.

Through adopting above-mentioned technical scheme, set up the trachea, first cavity and second cavity, when drying cylinder rotates to trachea and first cavity intercommunication, ventilate the trachea, the air current passes through in the trachea gets into first cavity, and then exert pressure to the pouring weight, the pouring weight is under the pressure of its action of gravity and air current, striking second fixing base, the effort of pouring weight striking second fixing base has been increased, when drying cylinder rotates to trachea and second cavity intercommunication, and on the same way, the effort of pouring weight striking first fixing base has been increased, make the pouring weight better to the effect of smashing of wet material.

Optionally, be equipped with in the striking portion and hold the chamber, a plurality of through-holes have been seted up on the lateral wall of striking portion, and is a plurality of the through-hole all with hold the chamber intercommunication, it is provided with dry package to hold the intracavity.

Through adopting above-mentioned technical scheme, the setting holds the chamber, through-hole and dry package, when a drying section of thick bamboo rotates, wet material round trip movement in a drying section of thick bamboo, the air current that drives in the drying section of thick bamboo flows, the moisture that wet material carried simultaneously is heated the evaporation and is formed steam, steam flows along with the air current, and then through the through-hole cocurrent flow drying package, the steam that carries in the dry package absorption air current, and then the steam that exists in the drying section of thick bamboo has been reduced, be favorable to the drying of a drying section of thick bamboo to wet material, make the drying effect of wet material better.

Optionally, the striking portion includes a housing and a cover plate hinged to the housing, the accommodating cavity is formed by splicing the housing and the cover plate, a positioning hole is formed in the cover plate, a positioning part is arranged on the housing, and the positioning part penetrates through the positioning hole and positions the cover plate.

Through adopting the above technical scheme, set up the apron, locating hole and setting element, when dry package leads to its ability to absorb water to descend because of long-time the use, adjustable setting element, make the setting element break away from the locating hole, and then open the apron, change the dry package that holds the intracavity, change the dry package after, close the apron again, adjust the setting element and make the setting element wear to establish the locating hole and fix a position the apron, can accomplish the change of dry package, need not to change whole pouring weight, make it more convenient to change dry package, and compare in changing whole pouring weight, and it is extravagant to have reduced the material.

Optionally, the locating element includes set up in connecting portion on the casing with set up in elastic component on the connecting portion, the elastic component is located connecting portion are kept away from the one end of casing, just the elastic component is towards being close to the direction of casing outwards inclines the setting, the elastic component is located the apron is kept away from one side and the butt of casing the apron setting.

By adopting the technical scheme, the connecting part and the elastic part are arranged, when the cover plate is closed, the positioning hole and one end, far away from the shell, of the connecting part are aligned, in the overturning process of the cover plate, the inner wall of the positioning hole is abutted against and extrudes the elastic part, so that the elastic part can penetrate through the positioning hole, and after the elastic part penetrates through the positioning hole, the elastic part is reset and abutted against the cover plate, so that the positioning of the cover plate is realized; when opening the apron, extrusion elastic component for elastic component and connecting portion can deviate from in the locating hole, can open the apron, make the location more convenient with opening the apron.

Optionally, cavities are formed in the first fixing seat and the second fixing seat, and a vibrating plate is arranged on the inner wall of each cavity.

Through adopting above-mentioned technical scheme, set up the trembler, when the pouring weight strikes first fixing base, trembler in the first fixing base takes place the vibration because of the striking, the vibration of production passes through first fixing base transmission to drying cylinder for the drying cylinder takes place the vibration, with the same reason when the pouring weight strikes the second fixing base, and then shakes off the wet material of adhesion on the drying cylinder inner wall, and the wet material that shakes off overturns the mixture together along with other wet materials, makes the dry mixed effect of wet material better.

Optionally, mounting holes are formed in the first fixing seat and the second fixing seat, and a screen plate is arranged in the mounting holes.

Through adopting above-mentioned technical scheme, set up the otter board, when the pouring weight strikes first fixing base, trembler in the first fixing base takes place the vibration because of the striking, and drive first fixing base and take place the vibration, and then make the wet material that falls on the otter board on first fixing base pass the otter board under the vibration, thereby reach and carry out further shredded-up's effect to wet material, make wet material more dispersed, and then make the dry mixed effect of being heated more even, wet material of wet material better.

Optionally, the net plate is detachably connected with the inner wall of the mounting hole.

Through adopting above-mentioned technical scheme, when needs clear up the otter board, can dismantle the otter board and get off and clear up again for it is more convenient to clear up the otter board, when needs are changed dry package, dismantles the otter board, and in the mounting hole entering drying cylinder after staff's accessible otter board is dismantled, and then changes dry package, makes to change dry package more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the first fixing seat, the second fixing seat and the heavy block, the heavy block is driven to move back and forth in the rotating process of the drying cylinder, and then the first fixing seat or the second fixing seat is impacted repeatedly in sequence to crush wet materials in the drying cylinder, so that the situation that the wet materials are agglomerated into blocks is reduced, the wet materials are heated more uniformly and dried more fully, the yield of the materials which are not dried completely is reduced, and the drying effect of the drying cylinder on the wet materials is better;

2. by arranging the air pipe, the first cavity and the second cavity, when the air pipe is communicated with the first cavity, the air pipe is ventilated, the weight is further pressed, the acting force of the weight on the second fixing seat is increased, and when the air pipe is communicated with the second cavity, the acting force of the weight on the first fixing seat is increased in the same way, so that the wet material is crushed by the weight better;

3. through setting up the trembler, when the pouring weight strikes first fixing base, trembler in the first fixing base takes place the vibration because of the striking to drive the drying cylinder through first fixing base and take place the vibration, with the same reason when the pouring weight strikes the second fixing base, and then shake off the wet material of adhesion on the drying cylinder inner wall, the wet material that shakes off overturns the mixture together along with other wet materials, makes the dry mixed effect of wet material better.

Drawings

FIG. 1 is an overall schematic view of an embodiment of the present application;

FIG. 2 is a sectional view of the embodiment of the present application taken along the support column, mainly illustrating the structure of the rotary joint and the driving member;

fig. 3 is a structural diagram of the embodiment of the present application, partially cut away at the drying cylinder, and mainly shows the structures of the first fixing seat and the second fixing seat;

fig. 4 is a structural diagram of the embodiment of the present application, partially cut away at the drying cylinder, the first fixing seat and the second fixing seat, and mainly shows the structures of the first chamber and the second chamber;

FIG. 5 is a partial schematic structural view of an embodiment of the present application, mainly showing the structure of the accommodating chamber and the drying bag;

fig. 6 is a structural diagram of the first fixing seat partially cut away in the embodiment of the present application, mainly showing the structures of the cavity and the vibrating plate.

Description of reference numerals: 1. a frame; 11. a base; 12. a support pillar; 121. a rotary joint; 2. a drying cylinder; 21. a feed inlet; 22. a discharge port; 23. a rotating shaft; 3. a drive member; 31. a belt; 4. a first fixed seat; 41. a first chamber; 5. a second fixed seat; 51. a second chamber; 6. mounting holes; 61. a screen plate; 7. an air tube; 8. a weight block; 81. an impact section; 811. a housing; 812. a cover plate; 8121. positioning holes; 82. a first sliding section; 83. a second sliding section; 9. an accommodating chamber; 91. drying the bag; 10. a through hole; 13. a positioning member; 131. a connecting portion; 132. an elastic portion; 14. a cavity; 141. a vibrating plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a double-cone rotary vacuum dryer. Referring to fig. 1, bipyramid gyration vacuum drying machine includes frame 1, drying cylinder 2 and driving piece 3, and frame 1 includes base 11 and two support columns 12, and two support columns 12 all are located the top of base 11 and with base 11 fixed connection, and two support columns 12 are the vertical placing in interval, and drying cylinder 2 is located between two support columns 12, is equipped with feed inlet 21 and discharge gate 22 on drying cylinder 2, and feed inlet 21 and discharge gate 22 are located the upper and lower both ends of drying cylinder 2 respectively.

Referring to fig. 2, be fixed with two axis of rotation 23 on the lateral wall of drying cylinder 2, two axis of rotation 23 and two support column 12 one-to-one settings, every axis of rotation 23 all wears to establish corresponding support column 12 and swivelling joint on corresponding support column 12, and the axis of rotation of two axis of rotation 23 is located same straight line. Each support column 12 is fixed with a rotary joint 121 therein, and the rotary joint 121 is rotatably connected with the end of the corresponding rotating shaft 23 far away from the drying cylinder 2.

Referring to fig. 2, the driving member 3 is fixedly connected in the corresponding supporting column 12, the output shaft of the driving member 3 is transmitted by the belt 31 with the rotating shaft 23 in the corresponding supporting column 12, the driving member 3 drives the drying drum 2 to rotate by the cooperation of the belt 31 and the corresponding rotating shaft 23, and the rotating axis of the drying drum 2 is horizontally arranged. In this embodiment, the driving member 3 is a motor.

Referring to fig. 3 and 4, a first fixing seat 4 and a second fixing seat 5 are fixed in the drying cylinder 2, the first fixing seat 4 and the second fixing seat 5 are located on the same vertical direction and are arranged at intervals, and the first fixing seat 4 is arranged close to the feed port 21. A plurality of mounting holes 6 have all been seted up on first fixing base 4 and the second fixing base 5, and mounting hole 6 on the first fixing base 4 is the even interval distribution of circumference along the periphery of first fixing base 4, and mounting hole 6 on the second fixing base 5 sets up with 6 one-to-one in the mounting hole on the first fixing base 4.

Referring to fig. 4, all be provided with otter board 61 in every mounting hole 6, wear to be equipped with a plurality of bolts on the otter board 61, a plurality of bolts are interval distribution along the periphery of otter board 61, and each otter board 61 on the first fixing base 4 wears to establish first fixing base 4 and with 4 threaded connection of first fixing base through a plurality of corresponding bolts on it, and then realizes the connection of dismantling between 6 inner walls of corresponding mounting hole on otter board 61 and the first fixing base 4.

Referring to fig. 4, each mesh plate 61 on the second fixing seat 5 penetrates through the second fixing seat 5 and is in threaded connection with the second fixing seat 5 through a plurality of corresponding bolts thereon, so as to realize detachable connection between the mesh plate 61 and the inner wall of the corresponding mounting hole 6 on the second fixing seat 5.

Referring to fig. 4, a first cavity 41 is provided in the first fixing seat 4, the first cavity 41 and the plurality of mounting holes 6 on the first fixing seat 4 are arranged in a staggered manner, one end of the first cavity 41 penetrates through the drying cylinder 2, and the other end of the first cavity 41 is located on one side of the first fixing seat 4 close to the second fixing seat 5.

Referring to fig. 4, a second cavity 51 is disposed in the second fixing seat 5, the second cavity 51 and the plurality of mounting holes 6 on the second fixing seat 5 are arranged in a staggered manner, one end of the second cavity 51 penetrates through the drying cylinder 2, and one end of the second cavity 51 penetrating through the drying cylinder 2 and one end of the first cavity 41 penetrating through the drying cylinder 2 are located on the same side of the drying cylinder 2. The other end of the second chamber 51 is located on one side of the second fixing seat 5 close to the first fixing seat 4, and one end of the second chamber 51 close to the first fixing seat 4 is aligned with one end of the first chamber 41 close to the second fixing seat 5.

Referring to fig. 2 and 4, an air pipe 7 is fixed on one of the supporting columns 12, the air pipe 7 is located above the supporting column 12, and the end of the air pipe 7 close to the drying cylinder 2 is arranged corresponding to the position of the first chamber 41 above the second chamber 51, at this time, the air pipe 7 is communicated with the first chamber 41. The other end of the air tube 7 is externally connected to a ventilation device, and the air tube 7 is used for ventilating the first chamber 41.

Referring to fig. 4, a weight 8 is slidably moved between the first fixing seat 4 and the second fixing seat 5, and during the rotation of the drying cylinder 2, the weight 8 is slidably moved and sequentially and repeatedly strikes the first fixing seat 4 and the second fixing seat 5. The weight 8 comprises a striking part 81, a first sliding part 82 and a second sliding part 83, the striking part 81 comprises a shell 811 and a plurality of cover plates 812, the shell 811 is connected between the first fixing seat 4 and the second fixing seat 5 in a sliding manner, the cover plates 812 are hinged on the outer side wall of the shell 811, and the cover plates 812 are circumferentially distributed at intervals uniformly along the sliding direction of the shell 811. The hinge axes of the cover plates 812 are all arranged parallel to the sliding direction of the housing 811.

Referring to fig. 5, each cover plate 812 is spliced with the housing 811 to form a containing cavity 9, the containing cavity 9 is correspondingly provided with a plurality of containing cavities, and a drying bag 91 is placed in each containing cavity 9. In this embodiment, the drying bag 91 is made of cotton cloth wrapping activated carbon for absorbing water vapor in the drying cylinder 2. The outer side wall of the shell 811 is further provided with a plurality of through holes 10, and the through holes 10 are respectively communicated with the corresponding accommodating cavities 9.

Referring to fig. 5, a positioning hole 8121 is formed in an outer side wall of each cover plate 812, and the positioning hole 8121 is located at one end, far away from the hinge axis, of the corresponding cover plate 812. A plurality of positioning parts 13 are fixed on the outer side wall of the housing 811, and the positioning parts 13 are arranged corresponding to the positioning holes 8121 one by one. Each positioning member 13 includes a connecting portion 131 and an elastic portion 132, the connecting portion 131 is fixed on an outer sidewall of the housing 811, the elastic portion 132 is located at an end of the corresponding connecting portion 131 far away from the housing 811 and is fixedly connected with the corresponding connecting portion 131, and the elastic portion 132 is disposed to be inclined outward toward a direction close to the housing 811. In this embodiment, the elastic portion 132 and the connecting portion 131 are integrally formed, and the elastic portion 132 and the connecting portion 131 are made of plastic and have a certain deformation capability.

When the cover 812 is closed, the positioning hole 8121 on the cover 812 is aligned with one end, far away from the housing 811, of the corresponding connecting portion 131, in the process of turning the cover 812, the inner wall of the positioning hole 8121 presses the corresponding elastic portion 132, so that the corresponding elastic portion 132 moves towards the direction close to the connecting portion 131, the positioning hole 8121 on the cover 812 is penetrated by the corresponding elastic portion 132, the corresponding elastic portion 132 is located on one side, far away from the housing 811, of the cover 812, at the moment, the corresponding elastic portion 132 is reset and abuts against the outer side wall of the cover 812, and then the positioning of the cover 812 on the housing 811 can be realized.

Referring to fig. 4, the first sliding portion 82 is located on one side of the housing 811 close to the first fixing seat 4 and fixedly connected to the housing 811, the first sliding portion 82 is slidably connected to the first cavity 41, the second sliding portion 83 is located on one side of the housing 811 close to the second fixing seat 5 and fixedly connected to the housing 811, and the second sliding portion 83 is slidably connected to the second cavity 51.

Referring to fig. 4 and 6, a plurality of cavities 14 are respectively arranged in the first fixing seat 4 and the second fixing seat 5, the plurality of cavities 14 in the first fixing seat 4 are arranged in a staggered manner with the first cavity 41 and the mounting holes 6 on the first fixing seat 4, and each cavity 14 is located between adjacent mounting holes 6. A vibration plate 141 is fixed on the inner wall of each cavity 14 in the first fixing seat 4, one end of the vibration plate 141 is fixedly connected with the inner wall of the corresponding cavity 14, and the other end of the vibration plate 141 is spaced from the inner wall of the corresponding cavity 14.

Referring to fig. 4 and 6, each cavity 14 in the second fixing base 5 is offset from the second cavity 51 and each mounting hole 6 in the second fixing base 5, and each cavity 14 is located between adjacent mounting holes 6. A vibration plate 141 is fixed on the inner wall of each cavity 14 in the second fixing seat 5, one end of the vibration plate 141 is fixedly connected with the inner wall of the corresponding cavity 14, and the other end of the vibration plate 141 is spaced from the inner wall of the corresponding cavity 14.

The application principle of the double-cone rotary vacuum dryer in the embodiment of the application is as follows:

when the drying cylinder 2 rotates to the position where the first fixing seat 4 is located below the second fixing seat 5, at the moment, the air pipe 7 is communicated with the second chamber 51, part of wet materials in the drying cylinder 2 move to the position between the impact portion 81 and the first fixing seat 4, air is introduced into the air pipe 7, air in the air pipe 7 is introduced into the second chamber 51, and then pressure is applied to the second sliding portion 83 in the second chamber 51, so that the weight 8 moves towards the direction close to the first fixing seat 4 under the action of gravity and the pressure of air flow in the second chamber 51, and then the first fixing seat 4 is impacted, and the wet materials between the first fixing seat 4 and the weight 8 are extruded and crushed.

The wet material that pulverizes falls on otter board 61 on first fixing base 4, when striking portion 81 striking first fixing base 4, trembler 141 in first fixing base 4 takes place the vibration because of the striking to drive first fixing base 4 and take place the vibration, and then make the wet material that falls on the otter board 61 on first fixing base 4 pass otter board 61 under the vibration, thereby carry out further comminution to wet material.

Simultaneously, the vibration transmission of first fixing base 4 production to drying cylinder 2 for drying cylinder 2 takes place the vibration, and then shakes off the wet material of adhesion on 2 inner walls of drying cylinder, and the wet material that shakes off overturns the mixture together along with other wet materials.

Similarly, when drying cylinder 2 rotates to second fixing base 5 and is located first fixing base 4 below, at this moment, trachea 7 and first cavity 41 intercommunication, the partial wet material in drying cylinder 2 removes to between pouring weight 8 and the second fixing base 5, pouring weight 8 takes place to remove and then strikes second fixing base 5 under the pressure of action of gravity and the interior air current of first cavity 41, will be located the wet material extrusion of second fixing base 5 and pouring weight 8 between and pulverize, the wet material that pulverizes falls on otter board 61 on the second fixing base 5, and pass otter board 61 on the second fixing base 5 under the vibration of second fixing base 5, thereby carry out further comminution to wet material.

Simultaneously, the vibration transmission of 5 productions of second fixing base to drying cylinder 2 for drying cylinder 2 takes place the vibration, and then shakes off the wet material of adhesion on 2 inner walls of drying cylinder, and the wet material that shakes off overturns the mixture together along with other wet materials, makes the drying of wet material more thorough.

In the rotation process of drying cylinder 2, pouring weight 8 round trip movement, and then first fixing base 4 or second fixing base 5 of repeated striking in proper order, make 2 inside wet materials of drying cylinder constantly crushed by 8 extrusion of pouring weight, and constantly cut up the material through otter board 61, thereby make wet material more dispersed, the condition of wet material reunion blocking has been reduced, it is more even to make wet material be heated, it is more abundant to dry, the output of not dry complete material has been reduced, make drying cylinder 2 better to the drying effect of wet material.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bipyramid gyration vacuum drying machine, includes frame (1), drying cylinder (2) and driving piece (3), drying cylinder (2) rotate connect in on frame (1), driving piece (3) drive drying cylinder (2) rotate its characterized in that: be provided with first fixing base (4) and second fixing base (5) in drying cylinder (2), first fixing base (4) with it has pouring weight (8) to go up and down to slide between second fixing base (5) the rotation in-process of drying cylinder (2), pouring weight (8) slide and in proper order repeated striking first fixing base (4) with second fixing base (5).

2. A double-cone rotary vacuum dryer according to claim 1, characterized in that: weight (8) including striking portion (81), set up in first portion (82) and the second portion (83) of sliding on striking portion (81), be provided with trachea (7) on frame (1), be equipped with first cavity (41) on first fixing base (4), first portion (82) of sliding slide connect in first cavity (41), be equipped with second cavity (51) on second fixing base (5), second portion (83) of sliding connect in second cavity (51), dry section of thick bamboo (2) rotate and make trachea (7) with first cavity (41) intercommunication, just dry section of thick bamboo (2) rotate and make trachea (7) with second cavity (51) intercommunication.

3. A double-cone rotary vacuum dryer according to claim 2, characterized in that: be equipped with in striking portion (81) and hold chamber (9), a plurality of through-hole (10) have been seted up on the lateral wall of striking portion (81), and is a plurality of through-hole (10) all with hold chamber (9) intercommunication, it is provided with dry package (91) in chamber (9) to hold.

4. A double-cone rotary vacuum dryer according to claim 3, characterized in that: striking portion (81) include casing (811) and articulate apron (812) on casing (811), hold chamber (9) and pass through casing (811) with apron (812) concatenation forms, be provided with locating hole (8121) on apron (812), be provided with setting element (13) on casing (811), setting element (13) wear to establish locating hole (8121) and location apron (812).

5. A double-cone rotary vacuum dryer according to claim 4, wherein: the positioning piece (13) comprises a connecting portion (131) arranged on the shell (811) and an elastic portion (132) arranged on the connecting portion (131), the elastic portion (132) is located at one end, away from the shell (811), of the connecting portion (131), the elastic portion (132) is arranged towards the direction, close to the shell (811), of the shell in an outward inclined mode, the elastic portion (132) is located at one side, away from the shell (811), of the cover plate (812) and abutted to the cover plate (812).

6. A double-cone rotary vacuum dryer according to claim 3, characterized in that: cavities (14) are formed in the first fixing seat (4) and the second fixing seat (5), and a vibrating piece (141) is arranged on the inner wall of each cavity (14).

7. A double-cone rotary vacuum dryer according to claim 6, characterized in that: mounting holes (6) are formed in the first fixing seat (4) and the second fixing seat (5), and a screen plate (61) is arranged in each mounting hole (6).

8. A double-cone rotary vacuum dryer according to claim 7, wherein: the net plate (61) is detachably connected with the inner wall of the mounting hole (6).