CN210119102U

CN210119102U - Double-cone rotary vacuum dryer

Info

Publication number: CN210119102U
Application number: CN201920507679.1U
Authority: CN
Inventors: 刘建华
Original assignee: Thai Biological Pharmaceutical Jiangsu Co Ltd
Current assignee: Thai Biological Pharmaceutical Jiangsu Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-28
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a bipyramid gyration vacuum drying machine, it relates to pharmaceutical equipment technical field. Aims to solve the problem of insufficient sealing performance of the sampling part of the traditional double-cone rotary vacuum dryer. The technical scheme is characterized by comprising a tank body, wherein a feed inlet and a discharge outlet are respectively arranged on the tank body, an upper sealing cover and a lower sealing cover are respectively arranged at the feed inlet and the discharge outlet, a sampling device is arranged at the lower sealing cover, and a sampling discharge outlet is arranged on the sampling device; the sampling device comprises a sampling cylinder connected with the lower sealing cover, a ball screw driving device is arranged on the sampling cylinder, and the ball screw driving device comprises a sliding seat positioned in the sampling cylinder; a sampling sealing cover plate which is contacted with the lower sealing cover is arranged on the sliding seat, and a sampling hole is arranged on the sampling sealing cover plate; one end of the sampling cylinder, which is far away from the lower sealing cover, is provided with a sampling ball valve assembly, and a sampling cup is arranged on the sampling ball valve assembly. The utility model discloses double sealing has been realized in sample department to can improve the leakproofness, guarantee equipment normal use.

Description

Double-cone rotary vacuum dryer

Technical Field

The utility model relates to a pharmaceutical equipment technical field, more specifically say, it relates to a bipyramid gyration vacuum drying machine.

Background

A double-cone rotary vacuum drier is widely applied in the production process of bulk drugs. The vacuum drying process is one continuous vacuum and condensator process to eliminate liquid from the product. Usually, the inner container and the outer container of the vacuum dryer are made of materials which are difficult to observe the materials being dried, such as 316L and ceramic materials. The concentrated dry condition of the dry material of unable observation in the production process, must destroy the vacuum degree of inner bag completely moreover at the in-process of sample, make the inner bag resume the ordinary pressure just can get the sample inspection, this not only waste time and energy consumption, still lead to the dry efficiency greatly reduced of product.

The prior Chinese patent with the publication number of CN203687540U discloses an online sampling double-cone rotary vacuum dryer, wherein an online sampling device is arranged on a sealing cover of a discharge port of the dryer, the online sampling device is a combined structure of a spherical sampling valve, and the purpose of online monitoring materials under the condition of no material pollution is achieved through the arrangement of the online sampling device.

However, the tightness of the discharge port of the double-cone rotary vacuum dryer is directly related to the online sampling device, and the tightness of the spherical sampling valve is reduced after the spherical sampling valve is used for a long time, so that the using effect of the double-cone rotary vacuum dryer is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a bipyramid gyration vacuum drying machine, its leakproofness that can improve material sample department.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a double-cone rotary vacuum dryer comprises a tank body, wherein a feed inlet and a discharge outlet are respectively arranged on the tank body, an upper sealing cover and a lower sealing cover are respectively arranged at the feed inlet and the discharge outlet, a sampling device is arranged at the lower sealing cover, and a sampling discharge outlet is arranged on the lower sealing cover; the sampling device comprises a sampling cylinder connected with the lower sealing cover, a ball screw driving device is arranged on the sampling cylinder, and the ball screw driving device comprises a sliding seat positioned in the sampling cylinder; a sampling sealing cover plate which is in contact with the lower sealing cover is arranged on the sliding seat, and a sampling hole is formed in the sampling sealing cover plate; one end of the sampling cylinder, which is far away from the lower sealing cover, is provided with a sampling ball valve assembly, and a sampling cup is arranged on the sampling ball valve assembly.

Furthermore, a closed limiting plate and a communication limiting plate which are matched with the sampling sealing cover plate are respectively arranged on the lower sealing cover, wherein the closed limiting plate is L-shaped.

Furthermore, a sealing plate in contact with the lower sealing cover is arranged on the sampling sealing cover plate.

Furthermore, a sampling pipe opposite to the sampling ball valve assembly is embedded in the sampling hole.

Further, the sampling discharge hole is in an inverted cone shape.

Further, the ball screw driving device comprises a ball screw penetrating through the sampling cylinder, and bearings embedded in the inner wall of the sampling cylinder are sleeved at two ends of the ball screw; a screw driving handle is arranged at one end of the ball screw, a limiting sealing plate connected with the outer side wall of the sampling cylinder is sleeved on the ball screw driving handle, and a limiting bolt capable of contacting with the ball screw is screwed on the limiting sealing plate; and a sealing end cover opposite to the end part of the ball screw is arranged on the outer side wall of the sampling tube.

Furthermore, the sampling ball valve assembly comprises a valve seat, a spherical valve core and a rotating handle, wherein a sampling groove is formed in the spherical valve core, and a fixing ring in threaded connection with the sampling cup is arranged on the valve seat.

Further, the sampling cup is transparent.

To sum up, the utility model discloses following beneficial effect has:

1. the sampling sealing cover plate and the sampling ball valve assembly are adopted to realize double sealing, so that the sealing property of a sampling part can be improved;

2. the sampling tube is adopted, so that the situation that the normal rotation of the ball screw is influenced because the material falls on the ball screw can be avoided;

3. the limiting bolt is adopted, so that the ball screw can be prevented from loosening in a closed state.

Drawings

FIG. 1 is a schematic structural diagram of a double-cone rotary vacuum dryer in an embodiment;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a support frame; 2. a tank body; 3. an upper sealing cover; 4. a lower sealing cover; 41. a sampling discharge port; 5. a sampling sealing cover plate; 51. a sampling hole; 52. a sealing plate; 53. a sampling tube; 54. closing the limiting plate; 55. the limiting plate is communicated; 6. a sampling tube; 61. a ball screw; 62. a slide base; 63. a lead screw drive handle; 64. sealing the end cap; 65. a limit sealing plate; 66. a limit bolt; 7. a valve seat; 71. a spherical valve core; 72. a sampling groove; 73. rotating the handle; 74. a fixing ring; 75. and a sampling cup.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

a bipyramid rotary vacuum dryer, refer to fig. 1 and 2, includes two support frames 1, is provided with a jar body 2 between two support frames 1, is provided with feed inlet and discharge gate on the jar body 2 respectively, and feed inlet and discharge gate department are provided with upper seal cover 3 and lower seal cover 4 respectively.

Referring to fig. 2, a sampling device is disposed at the lower sealing cover 4, and a sampling and discharging port 41 is disposed on the lower sealing cover 4; the sampling device comprises a sampling cylinder 6 fixedly connected with the lower sealing cover 4, a ball screw driving device is arranged on the sampling cylinder 6, the ball screw driving device comprises a ball screw 61 penetrating through the sampling cylinder 6, and two ends of the ball screw 61 are both sleeved with bearings embedded in the inner wall of the sampling cylinder 6; a screw driving handle 63 is arranged at one end of the ball screw 61, a limiting sealing plate 65 connected with the outer side wall of the sampling tube 6 is sleeved on the ball screw 61, and a limiting bolt 66 capable of contacting with the ball screw 61 is screwed on the limiting sealing plate 65, so that the ball screw 61 can be prevented from loosening; the outer side wall of the sampling tube 6 is provided with a sealing end cover 64 opposite to the end part of the ball screw 61, so that the sealing performance of the sampling tube 6 can be ensured.

Referring to fig. 2, a sliding seat 62 positioned in the sampling cylinder 6 is sleeved on the ball screw 61, a sampling sealing cover plate 5 contacting with the lower sealing cover 4 is arranged on the sliding seat 62, and a sampling hole 51 is formed on the sampling sealing cover plate 5; the sampling sealing cover plate 5 is provided with a sealing plate 52 which is contacted with the lower sealing cover 4, so that the sealing property between the sampling sealing cover plate 5 and the lower sealing cover 4 can be improved; a closing limit plate 54 and a communication limit plate 55 which are matched with the sampling sealing cover plate 5 are respectively arranged on the lower sealing cover 4, wherein the closing limit plate 54 is L-shaped; when the end of the sampling cover sealing plate 5 is embedded in the closed limiting plate 54, the sampling discharge hole 41 is in a closed state, the L-shaped closed limiting plate 54 can improve the stability of the closed state, and when the end of the sampling cover sealing plate 5 abuts against the communication limiting plate 55, the sampling discharge hole 41 is opposite to the sampling hole 51; the sample bin outlet 41 is the back taper in this embodiment, and is close to the internal diameter that the sampling hole 51 one end is less than the internal diameter of sampling hole 51 to can conveniently arrange the material.

Referring to fig. 2, a sampling ball valve assembly is arranged at one end of the sampling cylinder 6 far away from the lower sealing cover 4, and a sampling cup 75 is arranged on the sampling ball valve assembly; the sampling ball valve assembly comprises a valve seat 7, a spherical valve core 71 and a rotating handle 73, wherein a sampling groove 72 is formed in the spherical valve core 71, a fixing ring 74 in threaded connection with a sampling cup 75 is arranged on the valve seat 7, and the sampling cup 75 is transparent in the embodiment.

Referring to fig. 2, the embedded sampling tube 53 that is equipped with relative with the sampling ball valve subassembly of thief hole 51, the setting of sampling tube 53 can avoid the material to drop on ball 61, influences its normal work.

The working principle is as follows:

when a sample needs to be taken, the limiting bolt 66 is taken down, the screw rod driving handle 63 is rotated, and then the sliding seat 62 drives the sampling sealing cover plate 5 to move towards the direction close to the communicating limiting plate 55. When the sampling and discharging opening 41 is communicated with the sampling hole 51, the material in the tank body 2 enters the sampling cylinder 6 through the sampling and discharging opening 41, the sampling hole 51 and the sampling tube 53. Then the rotating handle 73 is controlled to rotate the ball-shaped valve core 71, so that the opening of the sampling groove 72 is opposite to the sampling cylinder 6, the material in the sampling cylinder 6 is discharged into the sampling groove 72, and then the ball-shaped valve core 71 is rotated to discharge the material in the sampling groove 72 into the sampling cup 75, so that the material can be monitored.

Sample closing cap board 5 and sample ball valve subassembly cooperation realize double seal to can improve the leakproofness of sample department, guarantee bipyramid gyration vacuum drying machine's normal use.

Claims

1. The utility model provides a bipyramid gyration vacuum drying machine, includes a jar body (2), be provided with feed inlet and discharge gate on jar body (2) respectively, just feed inlet and discharge gate department are provided with closing cap (3) and lower closing cap (4) respectively, its characterized in that: a sampling device is arranged at the lower sealing cover (4), and a sampling discharge hole (41) is formed in the sampling device; the sampling device comprises a sampling cylinder (6) connected with the lower sealing cover (4), a ball screw driving device is arranged on the sampling cylinder (6), and the ball screw driving device comprises a sliding seat (62) positioned in the sampling cylinder (6); a sampling sealing cover plate (5) which is in contact with the lower sealing cover (4) is arranged on the sliding seat (62), and a sampling hole (51) is formed in the sampling sealing cover plate (5); one end of the sampling cylinder (6) far away from the lower sealing cover (4) is provided with a sampling ball valve assembly, and a sampling cup (75) is arranged on the sampling ball valve assembly.

2. A double-cone rotary vacuum dryer according to claim 1, characterized in that: and the lower sealing cover (4) is respectively provided with a closing limiting plate (54) and a communicating limiting plate (55) which are matched with the sampling sealing cover plate (5), wherein the closing limiting plate (54) is L-shaped.

3. A double-cone rotary vacuum dryer according to claim 2, characterized in that: and a sealing plate (52) which is in contact with the lower sealing cover (4) is arranged on the sampling sealing cover plate (5).

4. A double-cone rotary vacuum dryer according to claim 1, characterized in that: and a sampling pipe (53) opposite to the sampling ball valve component is embedded in the sampling hole (51).

5. A double-cone rotary vacuum dryer according to claim 1, characterized in that: the sampling discharge hole (41) is in an inverted cone shape.

6. A double cone rotary vacuum dryer according to any one of claims 1 to 5, characterized in that: the ball screw driving device comprises a ball screw (61) penetrating through the sampling cylinder (6), and bearings embedded in the inner wall of the sampling cylinder (6) are sleeved at two ends of the ball screw (61); a screw driving handle (63) is arranged at one end of the ball screw (61), a limiting sealing plate (65) connected with the outer side wall of the sampling tube (6) is sleeved on the ball screw driving handle, and a limiting bolt (66) capable of being in contact with the ball screw (61) is arranged on the limiting sealing plate (65) in a rotating mode; and a sealing end cover (64) opposite to the end part of the ball screw (61) is arranged on the outer side wall of the sampling cylinder (6).

7. A double cone rotary vacuum dryer according to any one of claims 1 to 5, characterized in that: the sampling ball valve assembly comprises a valve seat (7), a spherical valve core (71) and a rotating handle (73), a sampling groove (72) is formed in the spherical valve core (71), and a fixing ring (74) in threaded connection with the sampling cup (75) is arranged on the valve seat (7).

8. A double cone rotary vacuum dryer according to any one of claims 1 to 5, characterized in that: the sampling cup (75) is transparent.