CN210242246U

CN210242246U - Vacuum rake dryer

Info

Publication number: CN210242246U
Application number: CN201920681787.0U
Authority: CN
Inventors: Liping Yu; 虞立平
Original assignee: Anhui Delui New Materials Technology Co ltd
Current assignee: Anhui Delui New Materials Technology Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-04-03
Anticipated expiration: 2029-05-14

Abstract

The utility model provides a vacuum rake dryer, which comprises a frame body, a bracket, a transmission mechanism, a drying cylinder body, a manhole, a vacuum cover mechanism, a heat medium port, a rotary joint and a discharge port connecting ball valve, wherein the drying cylinder body adopts an interlayer heating mode; the vacuum cover is arranged in the filter bag and fixed in the shell through the hoop, so that the structure is simple, the disassembly is convenient, the filter bag is convenient to replace, the sealing performance is good and the service life is long due to the sealing of the annular sealing strip; the setting of rotary joint, hotbox and rake teeth, rotary joint can transmit hot media to hotbox and rake teeth in, in drying process, the rake teeth constantly rotates, by the dry material stirring, avoided the overheated of material, moisture also escapes easily, can obtain the product of low humidity.

Description

Vacuum rake dryer

Technical Field

The utility model belongs to the technical field of vacuum rake dryer, especially, relate to a vacuum rake dryer.

Background

The desiccator evaporates the moisture in the material, makes the material keep dry, and traditional material gets into the desiccator and dries, and the conduction oil gets into from one section below, discharges from other end top, and the drying efficiency of front end is high, and the heat conduction oil temperature drops to the rear end, causes the heat conduction efficiency to drop, causes the drying incomplete.

The invention discloses a vacuum rake dryer with the Chinese patent publication number of CN208398553U, and the name created by the invention is a vacuum rake dryer, which comprises a drying tank, wherein a rotating shaft penetrates through the drying tank, the part of the rotating shaft, which is positioned on the outer side of the drying tank, is connected with a driving motor, and the rotating shaft, which is positioned in the drying tank, is connected with a stirring rake, the drying tank is divided into two drying chambers by an intermediate partition plate, the drying tank, which is positioned on the outer side of the drying chambers, is provided with a heat conducting chamber, the upper side and the lower side of the heat conducting chamber are provided with a heat conducting oil outlet and a heat conducting oil inlet, the drying chambers are also provided with liquid filling ports, the drying tank, which is positioned on the upper side and the lower side of the intermediate partition plate, are respectively provided with a feeding connecting pipe and a discharging port, the feeding connecting pipe. But the existing vacuum rake dryer still has the problems of small drying action area, poor drying effect, slow efficiency, poor sealing effect of the vacuum cover, short service life, inconvenient disassembly, difficult cleaning, unstable transmission and unsmooth transmission in the drying process.

Therefore, it is necessary to develop a vacuum rake dryer.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a vacuum rake dryer to it is little still to have the drying action area in the drying to solve current vacuum rake dryer, and drying effect is poor, and efficiency is slow, and the sealed effect of vacuum cover is poor, and life is short, and it is inconvenient to dismantle, is difficult for wasing, and at the dry in-process transmission unstable, problem that is not smooth and easy. A vacuum rake dryer comprises a frame body, a support, a transmission mechanism, a drying cylinder body, a manhole, a vacuum cover mechanism, a heating medium port, a rotary joint and a discharge port ball connecting valve, wherein the support is welded at the upper part of the frame body; the transmission mechanism is arranged at one end of the frame body through a bolt and is connected with commercial power through a wire; the drying cylinder is welded above the bracket; the vacuum cover mechanism is welded at the top of the drying cylinder; 2 heating medium openings are respectively formed in the upper side and the lower side of the drying cylinder body; the rotary joint is rotationally connected with the hot shaft; the discharge port ball valve is arranged at the bottom of the drying cylinder; the rotary joint is particularly of a QG50-25 type.

The transmission mechanism comprises a transmission motor, a transmission belt, a speed reducer, a cross coupling, a bearing seat, a packing sealing element, rake teeth and a hot shaft, wherein the transmission motor is arranged in the middle of the left side of the frame body through a bolt and is connected with the speed reducer through the transmission belt; the speed reducer is installed at the top of the left side of the frame body through a bolt and is connected with the hot shaft through a cross coupling; 2 bearing blocks are adopted and are respectively arranged on two sides of the drying cylinder body; the packing sealing element is sleeved on the hot shaft and is connected with the drying cylinder body in a sealing manner; the rake teeth are welded around the hot shaft, and the inner cavities of the rake teeth are communicated with each other; both ends of the hot shaft are arranged in the bearing block through bearings; the speed reducer is particularly of a ZQ-750 type; the transmission motor adopts 22KW-6 grades.

The drying barrel comprises an outer pipe shell, an inner pipe shell and a heating cavity, the heating cavity is formed between the outer pipe shell and the inner pipe shell and communicated with the heat medium port, an interlayer heating mode is adopted, the heat transfer area is large, and the heat efficiency is high.

The vacuum cover mechanism comprises a shell, a vent hole, a vacuum meter, a falling bolt, a hoop, a filter bag, a vacuum cover and an annular sealing strip, wherein the shell is split, the lower end of the shell is welded on the upper part of the drying cylinder body, and the upper end and the lower end of the shell are fixed through the falling bolt; the emptying port is L-shaped and is welded at the upper end of the shell; the vacuum meter is installed at the upper end of the shell in a threaded manner; the vacuum cover is arranged inside the filter bag and is fixed in the shell through a hoop; the annular sealing strip is arranged at the joint of the upper end and the lower end of the shell.

The vacuum meter adopts an M20 multiplied by 1.5 model with a phi 60 dial.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the setting of drying barrel adopts intermediate layer heating method, when carrying out the drying to wet material, and steam passes through the heat medium mouth and gets into the heating intracavity, and the drying of heat steam internal tube formation parcel formula, and the active area is big, and drying efficiency is high.

2. The utility model discloses a setting of vacuum hood mechanism, vacuum hood set up the inside at the filter bag to fix in the casing through the staple bolt, simple structure, it is convenient to dismantle, has made things convenient for the change of filter bag, seals through annular sealing strip, and sealing performance is good, long service life.

3. The utility model discloses a rotary joint, the setting of hotbox and rake teeth, rotary joint can with the heat medium transmit to hotbox and rake teeth in, heat when stirring the material, in drying process, the rake teeth constantly rotates, by dry material stirring, avoided the overheated of material, moisture also escapes easily, can obtain the product of low humidity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the transmission mechanism of the present invention.

Fig. 3 is a schematic view of the structure of the drying cylinder of the present invention.

Fig. 4 is a schematic structural diagram of the vacuum cover mechanism of the present invention.

In the figure:

1-a frame body, 2-a support, 3-a transmission mechanism, 31-a transmission motor, 32-a transmission belt, 33-a speed reducer, 34-a cross coupling, 35-a bearing seat, 36-a packing sealing piece, 37-rake teeth, 38-a hot shaft, 4-a drying cylinder, 41-an outer pipe shell, 42-an inner pipe shell, 43-a heating cavity, 5-a manhole, 6-a vacuum cover mechanism, 61-a shell, 62-a vent, 63-a vacuum gauge, 64-a falling bolt, 65-a hoop, 66-a filter bag, 67-a vacuum cover, 68-an annular sealing strip, 7-a heat medium port, 8-a rotary joint and 9-a discharge port connected ball valve.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 4

The utility model provides a vacuum rake dryer, which comprises a frame body 1, a support 2, a transmission mechanism 3, a drying cylinder 4, a manhole 5, a vacuum cover mechanism 6, a heat medium port 7, a rotary joint 8 and a discharge port ball connecting valve 9, wherein the support 2 is welded on the upper part of the frame body 1; the transmission mechanism 3 is installed at one end of the frame body 1 through a bolt and is connected with commercial power through a wire; the drying cylinder 4 is welded above the bracket 2; the vacuum cover mechanism 6 is welded at the top of the drying cylinder 4; 2 heating medium openings 7 are respectively formed in the upper side and the lower side of the drying cylinder body 4; the rotary joint 8 is rotationally connected with the hot shaft 38; the discharge port ball valve 9 is arranged at the bottom of the drying cylinder 4; the rotary joint 8 is particularly of the QG50-25 type.

The transmission mechanism 3 comprises a transmission motor 31, a transmission belt 32, a speed reducer 33, a cross coupling 34, a bearing seat 35, a packing sealing element 36, rake teeth 37 and a hot shaft 38, wherein the transmission motor 31 is installed in the middle of the left side of the frame body 1 through bolts and is connected with the speed reducer 33 through the transmission belt 32; the speed reducer 33 is mounted at the top of the left side of the frame body 1 through a bolt and is connected with the hot shaft 38 through a cross coupling 34; 2 bearing blocks 35 are respectively arranged on two sides of the drying cylinder 4; the packing sealing element 36 is sleeved on the hot shaft 38 and is connected with the drying cylinder 4 in a sealing way; the rake teeth 37 are welded around the hot shaft 38, and the inner cavities of the rake teeth are communicated with each other; both ends of the hot shaft 38 are arranged in the bearing block 35 through bearings; the speed reducer 33 is particularly of a ZQ-750 type; the transmission motor 31 adopts 22KW-6 grades.

The drying cylinder 4 comprises an outer pipe shell 41, an inner pipe shell 42 and a heating cavity 43, the heating cavity 43 is arranged between the outer pipe shell 41 and the inner pipe shell 42 and communicated with the heat medium port 7, an interlayer heating mode is adopted, the heat transfer area is large, and the heat efficiency is high.

The vacuum cover mechanism 6 comprises a shell 61, a vent 62, a vacuum meter 63, a falling bolt 64, an anchor ear 65, a filter bag 66, a vacuum cover 67 and an annular sealing strip 68, wherein the shell 61 is split, the lower end of the shell is welded on the upper part of the drying cylinder 4, and the upper end and the lower end of the shell are fixed through the falling bolt 64; the vent 62 is L-shaped and is welded at the upper end of the shell 61; the vacuum gauge 63 is installed at the upper end of the shell 61 in a threaded manner; the vacuum cover 67 is arranged inside the filter bag 66 and is fixed in the shell 61 through the hoop 65; the annular sealing strips 68 are provided at the junction of the upper and lower ends of the housing 61.

The vacuum gauge 63 is of M20 × 1.5 type with a dial face of phi 60.

Principle of operation

In the utility model, when the wet material is dried, the transmission motor 31 drives the speed reducer 33 to rotate through the transmission belt 32, the speed reducer 33 drives the rake teeth 37 to rotate in the drying cylinder 4 through the hot shaft 38, the overturning stirring of the wet material is realized, the wet material is continuously contacted with the wall of the inner tube shell 42 in the overturning process, the surface of the wet material is continuously updated, the steam enters the heating cavity 43 through the heat medium port 7, the hot steam forms the wrapping type drying for the inner tube shell 42, the moisture of the wet material is gasified, the gasified moisture is sucked out through the vacuum cover mechanism 6 by the vacuum pump, in the vacuumizing process, the filter bag 66 prevents the material from being sucked out, the better filtering effect is realized, the moisture pressure on the surface of the wet material is far greater than the moisture pressure of the evaporation space in the drying cylinder 4, thereby being beneficial to the discharge of the internal moisture and the surface moisture of the material, and being beneficial to the moisture movement of the dried material, the purpose of drying is achieved.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. A vacuum rake dryer is characterized in that: the drying device comprises a frame body (1), a support (2), a transmission mechanism (3), a drying cylinder body (4), a manhole (5), a vacuum cover mechanism (6), a heating medium port (7), a rotary joint (8) and a discharge port ball connecting valve (9), wherein the support (2) is welded on the upper part of the frame body (1); the transmission mechanism (3) is installed at one end of the frame body (1) through a bolt and is connected with commercial power through a wire; the drying cylinder (4) is welded above the bracket (2); the vacuum cover mechanism (6) is welded at the top of the drying cylinder body (4); 2 heating medium openings (7) are respectively formed in the upper side and the lower side of the drying cylinder body (4); the rotary joint (8) is rotationally connected with the hot shaft (38); the discharge port ball valve (9) is arranged at the bottom of the drying cylinder body (4); the rotary joint (8) is particularly of a QG50-25 type.

2. The vacuum rake dryer of claim 1, wherein: the transmission mechanism (3) comprises a transmission motor (31), a transmission belt (32), a speed reducer (33), a cross coupling (34), a bearing seat (35), a packing seal (36), rake teeth (37) and a hot shaft (38), wherein the transmission motor (31) is installed in the middle of the left side of the frame body (1) through bolts and is connected with the speed reducer (33) through the transmission belt (32); the speed reducer (33) is mounted at the top of the left side of the frame body (1) through a bolt and is connected with the hot shaft (38) through a cross coupling (34); 2 bearing blocks (35) are respectively arranged on two sides of the drying cylinder body (4); the packing sealing element (36) is sleeved on the hot shaft (38) and is connected with the drying cylinder body (4) in a sealing way; the rake teeth (37) are welded around the hot shaft (38), and the inner cavities of the rake teeth are communicated with each other; both ends of the hot shaft (38) are arranged in the bearing block (35) through bearings; the speed reducer (33) is of a ZQ-750 type; the transmission motor (31) adopts 22KW-6 grades.

3. The vacuum rake dryer of claim 1, wherein: the drying cylinder (4) comprises an outer pipe shell (41), an inner pipe shell (42) and a heating cavity (43), wherein the heating cavity (43) is arranged between the outer pipe shell (41) and the inner pipe shell (42) and communicated with the heat medium port (7).

4. The vacuum rake dryer of claim 1, wherein: the vacuum cover mechanism (6) comprises a shell (61), a vent hole (62), a vacuum meter (63), a falling bolt (64), a hoop (65), a filter bag (66), a vacuum cover (67) and an annular sealing strip (68), wherein the shell (61) is split, the lower end of the shell is welded on the upper part of the drying cylinder body (4), and the upper end and the lower end of the shell are fixed through the falling bolt (64); the vent hole (62) is L-shaped and is welded at the upper end of the shell (61); the vacuum meter (63) is installed at the upper end of the shell (61) in a threaded mode; the vacuum cover (67) is arranged inside the filter bag (66) and is fixed in the shell (61) through a hoop (65); the annular sealing strips (68) are arranged at the connection part of the upper end and the lower end of the shell (61).