CN212778234U

CN212778234U - Feeding mechanism of rake dryer

Info

Publication number: CN212778234U
Application number: CN202021650864.5U
Authority: CN
Inventors: 白小勇; 成奇; 杨付攀
Original assignee: Zhejiang Beihede Pharmaceutical Co ltd
Current assignee: Zhejiang Beihede Pharmaceutical Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-23
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to a rake dryer's feed mechanism, which comprises a bod, the feed inlet has been seted up on the organism, rotate on the organism and install feed inlet confined lid, be connected with the inlet pipe on the lid, install first seal valve on the inlet pipe, the inlet pipe is provided with the material bag still, be provided with the bleeder valve that is used for connecting the vacuum pump on the material bag, still be provided with bleeder valve and feed valve on the material bag, the drying cabinet that is used for dry air has been placed subaerially of organism one side, the feed valve passes through first connecting piece with the drying cabinet and is connected, the bleeder valve passes through the second connecting piece and is connected with the inlet pipe. This application has the water content who gets into the inside air of organism when reducing the vacuum and reinforced, has reduced the time of secondary drying, has improved the effect of rake dryer's work efficiency.

Description

Feeding mechanism of rake dryer

Technical Field

The application relates to the technical field of rake dryers, in particular to a feeding mechanism of a rake dryer.

Background

The rake dryer is commonly used for stirring and drying pasty, pasty and powdery materials, and has a great effect in industrial production.

The feed inlet of the rake dryer is usually additionally provided with a feed pipe, and materials can be sucked into the drying chamber from the feed pipe through the air pressure difference between the air pressure of the drying chamber in the rake dryer and the external atmospheric pressure.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the staff passed through the inlet pipe to the inside transported substance material of organism, in the outside air also was simultaneously input into the drying chamber easily, then moisture in the outside air caused the secondary to the inside material of drying chamber having dried easily and moist, need carry out the secondary to the material and dry, reduced rake dryer's work efficiency.

SUMMERY OF THE UTILITY MODEL

The application provides a rake dryer's feed mechanism in order to solve the problem that the material of drying has reduced rake dryer's work efficiency by the secondary easily during vacuum feed.

The application provides a rake dryer's feed mechanism adopts following technical scheme:

the utility model provides a rake dryer's feed mechanism, includes the organism, the feed inlet has been seted up on the organism, rotate on the organism install with feed inlet confined lid, be connected with the inlet pipe on the lid, install first seal valve on the inlet pipe, the inlet pipe is provided with the material bag still on, be provided with the bleeder valve that is used for connecting the vacuum pump on the material bag, still be provided with bleeder valve and feed valve on the material bag, the subaerial drying cabinet that is used for dry air of having placed of organism one side, the feed valve with the drying cabinet passes through first connecting piece and connects, the bleeder valve pass through the second connecting piece with the inlet pipe is connected.

By adopting the technical scheme, when the rake dryer needs to feed materials from the feeding pipe, a worker firstly puts the materials to be dried into the material bag, then the air extraction valve is connected with a vacuum pump, the air extraction valve is opened, the air in the material bag is pumped out, then the air extraction valve is closed, then the feed valve is connected with the drying box through a first connecting piece, the discharge valve is connected with the feed pipe through a second connecting piece, the feed valve, the discharge valve and the first sealing valve are opened in sequence, the air dried in the drying box is filled into the material bag, the material is fed into the machine body through the air pressure difference between the interior of the material bag and the interior of the machine body of the rake dryer, and the air which enters the machine body together with the materials has lower water content, so that the degree of wetting the dried materials when the materials are added is reduced, the secondary drying time is reduced, and the working efficiency of the rake dryer is improved.

Preferably, a filter screen for blocking materials is installed in the air extraction valve.

Through adopting above-mentioned technical scheme, when the vacuum pump passes through the bleeder valve and takes out the inside air of thing pocket, the filter screen can effectively block the material that is taken out along with the air together, has reduced the loss of material, and the vacuum pump is difficult to be blockked up by the material.

Preferably, the second connecting piece includes first connecting pipe and second connecting pipe, first connecting pipe with bleeder valve coaxial coupling, be provided with reverse screw on the both ends of second connecting pipe, just threaded connection is respectively in the both ends of second connecting pipe first connecting pipe is kept away from on the one end of bleeder valve with on the inlet pipe.

Through adopting above-mentioned technical scheme, the staff accessible unidirectional rotation second connecting pipe is more convenient is connected first connecting pipe and the bleeder valve that links to each other with first connecting pipe and inlet pipe.

Preferably, a plurality of force applying rods are circumferentially arranged on the side wall of the middle part of the second connecting pipe at intervals.

Through adopting above-mentioned technical scheme, staff's accessible atress pole rotates the second connecting pipe less.

Preferably, the first connecting piece comprises a third connecting pipe, second sealing valves are mounted at two ends of the third connecting pipe, a fourth connecting pipe is arranged on each second sealing valve, and the two second sealing valves are respectively mounted on the feeding valve and the drying box in a threaded manner through the fourth connecting pipe.

By adopting the technical scheme, after the air in the third connecting pipe connecting the material bag and the drying box is pumped out by the vacuum pump, the moisture content in the air filled in the machine body is further reduced.

Preferably, the drying cabinet includes the box, air inlet and gas outlet have been seted up on the box, the one end of third connecting pipe is passed through fourth connecting pipe threaded connection be in on the gas outlet, the subaerial liquid nitrogen condenser of having placed of one side of box, it has the condenser pipe to surround on the lateral wall of box, the both ends of condenser pipe are connected respectively on the liquid outlet and the inlet of liquid nitrogen condenser.

Through adopting above-mentioned technical scheme, moisture in the inside air of box can be liquefied by the liquid nitrogen condensation that flows in the condenser pipe, can effectively reduce the moisture content in the air.

Preferably, a protective shell is further mounted on the side wall of the box body, the condensation pipe is located in the protective shell, and heat insulation cotton is further paved on the inner wall of the protective shell; and the air outlet and the air inlet are both arranged on the top wall of the box body.

Through adopting above-mentioned technical scheme, behind the condenser pipe with the box in and around the air cooling, can effectively reduce the heat exchange between the air around the inside and condenser pipe of box and the outside air through the protection cotton in protective housing and it, energy consumption when both having reduced the condenser pipe condensation has also improved the cooling efficiency of condenser pipe.

Preferably, a drying agent layer is paved on the inner wall of the box body.

Through adopting above-mentioned technical scheme, the moisture that is cooled off the liquefaction in the follow air can be absorbed by the drier layer for the water droplet after the cooling is difficult to be discharged in the material bag, and then makes the material in the material bag difficult by the cooling water wet.

Preferably, a placing table for placing the material bag is installed on the upper side of the machine body.

Through adopting above-mentioned technical scheme, the material bag can be placed the material bag and place the bench when reinforced to organism inside for when the material in the material bag is heavier, the second connecting pipe is difficult to be bent by the material bag stretch, makes the leakproofness between second connecting pipe and first connecting pipe and the inlet pipe be difficult for reducing.

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

1. after moisture in the air is condensed and dried, the material is conveyed into the machine body through the dry air, the degree that the dried material in the machine body is wetted by the secondary is reduced, the time required by secondary drying is further reduced, and the working efficiency of the rake dryer is improved.

2. The filter screen can block the materials which are extracted out by the vacuum pump when the air in the material bag is extracted, and the loss of the materials is reduced.

3. The air in the third connecting pipe is pumped by the vacuum pump, so that the moisture content in the air conveyed to the interior of the machine body is further reduced.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a perspective view of the material bag and mechanism thereon of the present application;

fig. 3 is a schematic perspective view of the drying box and its mechanism of the present application, in which the desiccant layer is not shown.

Reference numerals: 1. a body; 11. a feed inlet; 12. a cover body; 13. a feed pipe; 14. a first sealing valve; 15. a placing table; 2. a material bag; 21. an air extraction valve; 211. a filter screen; 22. a discharge valve; 23. a feed valve; 3. a first connecting member; 31. a third connecting pipe; 32. a second sealing valve; 33. a fourth connecting pipe; 4. a second connecting member; 41. a first connecting pipe; 42. a second connecting pipe; 421. a stressing rod; 5. a drying oven; 51. a box body; 52. an air inlet; 53. an air outlet; 54. a condenser tube; 55. a liquid nitrogen condenser; 56. a protective shell; 561. and (5) heat preservation cotton.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses feed mechanism of rake dryer, refer to fig. 1, including organism 1, seted up feed inlet 11 on organism 1, rotate to install on organism 1 with feed inlet 11 confined lid 12, be connected with inlet pipe 13 on the lid 12, install first seal valve 14 on the inlet pipe 13. Still the horizontal welding has a platform 15 of placing on organism 1, places material bag 2 on the platform 15, is connected through second connecting piece 4 between material bag 2 and the inlet pipe 13.

Referring to fig. 1 and 2, a discharge valve 22, a feed valve 23 and an air extraction valve 21 are fixedly and hermetically installed on a material bag 2, a filter screen 211 is fixedly installed in a valve port of the air extraction valve 21, and a vacuum pump extracts air in the material bag 2 through the air extraction valve 21.

The second connecting member 4 includes a first connecting pipe 41 and a second connecting pipe 42, and the first connecting pipe 41 is coaxially welded to the outlet of the discharge valve 22. The two ends of the second connecting pipe 42 are respectively provided with threads which are opposite to each other, and the two ends of the second connecting pipe 42 are respectively connected with the ends of the feeding pipe 13 and the first connecting pipe 41 which are far away from the discharging valve 22 in a threaded manner. Four force applying rods 421 are welded to the side wall of the middle part of the second connecting pipe 42 at intervals in the circumferential direction, and the axis of the force applying rods 421 is perpendicular to the axis of the second connecting pipe 42.

Referring to fig. 1 and 3, a drying box 5 is placed on the ground on one side of the machine body 1, the drying box 5 comprises a box body 51, an air inlet 52 and an air outlet 53 are respectively formed in the top wall of the box body 51, a quicklime drying agent is laid on the inner wall of the box body 51, and the feed valve 23 is connected with the drying box 5 through a first connecting piece 3.

The first connecting member 3 includes a third connecting pipe 31, and a second sealing valve 32 is fixedly and hermetically mounted on both ends of the third connecting pipe 31. The fourth connecting pipes 33 are coaxially welded to the valve ports of the two second sealing valves 32, and the two second sealing valves 32 are respectively installed on the feed valve 23 and the air outlet 53 through the fourth connecting pipes 33 by screw threads.

A condensing pipe 54 is spirally wound on the side wall of the box body 51, a liquid nitrogen condenser 55 is arranged on the ground at one side of the box body 51, and two ends of the condensing pipe 54 are respectively connected to a liquid outlet and a liquid inlet of the liquid nitrogen condenser 55 in a sealing manner. A cylindrical protective shell 56 is fixedly mounted on the side wall of the box body 51, the box body 51 and the condenser pipe 54 are both positioned in the protective shell 56, and the upper end of the box body 51 penetrates out of the protective shell 56. On the inner wall of the protective shell 56, thermal insulation cotton 561 for reducing thermal interaction between the condensation pipe 54 and the outside air is further laid.

The working principle of the embodiment of the application is as follows: when the rake dryer needs to be fed in vacuum, the material is firstly put into the material bag 2 through the feed valve 23, then the feed valve 23 and the discharge valve 22 are closed, the vacuum pump is used for vacuumizing the material bag 2 through the suction valve 21, then the suction valve 21 is closed, the sealing performance inside the material bag 2 is kept, and then the discharge valve 22 is connected onto the feed pipe 13 through the first connecting pipe 41. Then, after the air in the third connection pipe 31 is exhausted, the second sealing valves 32 at both ends of the third connection pipe 31 are respectively installed on the case 51 and the feed valve 23 through the fourth connection pipe 33. Then, a liquid nitrogen condenser 55 is started to condense and liquefy moisture in the air in the drying box 5, and then the moisture is absorbed by the drying agent, and then the two second sealing valves 32, the feeding valve 23, the discharging valve 22 and the first sealing valve 14 are sequentially opened, so that the material in the material bag 2 enters the machine body 1 under the action of the pressure difference between the inside of the machine body 1 and the inside of the material bag 2, and the feeding is completed.

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 feed mechanism of rake dryer, includes organism (1), feed inlet (11) have been seted up on organism (1), rotate on organism (1) install with feed inlet (11) confined lid (12), be connected with inlet pipe (13) on lid (12), install first seal valve (14), its characterized in that on inlet pipe (13): the utility model discloses a dryer, including inlet pipe (13), inlet pipe (13) still are provided with material bag (2), be provided with bleeder valve (21) that are used for connecting the vacuum pump on material bag (2), still be provided with bleeder valve (22) and feed valve (23) on material bag (2), the drying cabinet (5) that are used for dry air have been placed subaerially of organism (1) one side, feed valve (23) with drying cabinet (5) are connected through first connecting piece (3), bleeder valve (22) through second connecting piece (4) with inlet pipe (13) are connected.

2. The feed mechanism of a rake dryer as set forth in claim 1, wherein: and a filter screen (211) for blocking materials is arranged in the air extraction valve (21).

3. The feed mechanism of a rake dryer as set forth in claim 2, wherein: second connecting piece (4) include first connecting pipe (41) and second connecting pipe (42), first connecting pipe (41) with bleeder valve (22) coaxial coupling, be provided with reverse screw on the both ends of second connecting pipe (42), just the both ends difference threaded connection of second connecting pipe (42) is in first connecting pipe (41) are kept away from on the one end of bleeder valve (22) with on inlet pipe (13).

4. The feed mechanism of a rake dryer as set forth in claim 3, wherein: and a plurality of force applying rods (421) are arranged on the side wall of the middle part of the second connecting pipe (42) at intervals in the circumferential direction.

5. The feed mechanism of a rake dryer as set forth in claim 4, wherein: the first connecting piece (3) comprises a third connecting pipe (31), second sealing valves (32) are mounted at two ends of the third connecting pipe (31), a fourth connecting pipe (33) is arranged on each second sealing valve (32), and the two second sealing valves (32) are respectively installed on the feeding valve (23) and the drying box (5) in a threaded mode through the fourth connecting pipes (33).

6. The feed mechanism of a rake dryer as set forth in claim 5, wherein: drying cabinet (5) includes box (51), air inlet (52) and gas outlet (53) have been seted up on box (51), the one end of third connecting pipe (31) is passed through fourth connecting pipe (33) threaded connection be in on gas outlet (53), liquid nitrogen condenser (55) have been placed on the ground of one side of box (51), it has condenser pipe (54) to surround on the lateral wall of box (51), the both ends of condenser pipe (54) are connected respectively on the liquid outlet and the inlet of liquid nitrogen condenser (55).

7. The feed mechanism of a rake dryer as set forth in claim 6, wherein: a protective shell (56) is further mounted on the side wall of the box body (51), the condensation pipe (54) is located in the protective shell (56), and heat insulation cotton (561) is further paved on the inner wall of the protective shell (56); and the air outlet (53) and the air inlet (52) are both arranged on the top wall of the box body (51).

8. The feed mechanism of a rake dryer as set forth in claim 7, wherein: and a drying agent is paved on the inner wall of the box body (51).

9. The feed mechanism of a rake dryer as set forth in claim 1, wherein: a placing platform (15) for placing the material bag (2) is arranged on the upper side of the machine body (1).