Centrifugal machine with nitrogen detection device

Abstract

The centrifugal machine with the nitrogen detection device comprises an outer cylinder, the top of the outer cylinder is connected with a top cover in a rotating mode, the bottom of the outer cylinder is fixedly connected with a motor, an output shaft of the motor vertically penetrates through the outer cylinder and extends into the outer cylinder, and the output shaft of the motor is connected with the outer cylinder in a rotating mode. According to the centrifugal machine with the nitrogen detection device, after the centrifugal machine is shut down, a top cover is opened, then a threaded rod is unscrewed, the threaded rod is separated from a positioning hole, limitation on a rotating circular ring can be relieved, the rotating circular ring can be rotated, and when the rotating circular ring rotates, a sliding rod can be extruded through the inner wall of an inclined groove; due to the fact that the sliding rod and the rotating shaft are eccentrically arranged, the extruded sliding rod can drive the rotating shaft to rotate, then the rotating shaft drives the second rotary drum side plate to rotate, the second rotary drum side plate and the first rotary drum side plate are separated and staggered, at the moment, the first through hole and the second through hole can be opened, and falling of blockages in the round hole is better facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifuge technical field more specifically, relate to a centrifuge with nitrogen detection device. BACKGROUND

[0002] In chemical, pharmaceutical, food and many other industrial fields, centrifuge is a commonly used separation equipment, used to realize solid-liquid separation or liquid-liquid separation of different substances and other operations.For example, in some processes involving ethanol and ethyl acetate mixed system, since ethanol and ethyl acetate are both flammable organic solvents, their vapors mixed with air are extremely easy to burn or even explode in a certain concentration range when encountering fire or high heat.In order to reduce the fire and explosion risk of the system, it is usually necessary to introduce a certain amount of nitrogen into the centrifuge during operation to reduce the oxygen concentration and create a relatively safe inert environment.

[0003] However, the existing conventional centrifugal device mainly focuses on realizing efficient separation function in design, so the accurate monitoring and control of the state of nitrogen gas introduction or release from the outside, at present, some centrifuges with nitrogen detection device, mostly driven by the motor to rotate the drum in the outer cylinder, the drum is provided with a circular hole, and the centrifugal force generated when the drum rotates is used to achieve the separation effect, but since the circular hole on the drum is fixed, after a long time of use, the circular hole may be blocked, and if the circular hole is blocked, the separation effect will be affected, therefore, it is urgent to develop a centrifuge with nitrogen detection function to improve the safety production level of related industries. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a centrifuge with nitrogen detection device to solve the problems raised in the above background technology:

[0005] Some existing centrifuges with nitrogen detection device mostly rotate the drum in the outer cylinder driven by the motor, the drum is provided with a circular hole, and the centrifugal force generated when the drum rotates is used to achieve the separation effect, but since the circular hole on the drum is fixed, after a long time of use, the circular hole may be blocked, and if the circular hole is blocked, the separation effect will be affected.

[0006] In order to realize the above purpose, the utility model provides the following technical scheme:

[0007] A centrifuge with nitrogen detection device, including the outer tube, the top of the outer tube is rotatably connected with the top cover, the bottom of the outer tube is fixedly connected with the motor, the output shaft of the motor penetrates through the outer tube and extends to the inside of the outer tube, the output shaft of the motor is rotatably connected with the outer tube, the output end of the motor is fixedly connected with the circular plate, the top of the circular plate is fixedly connected with the first drum side plate, the top of the first drum side plate is fixedly connected with the fixed ring, the rotating shaft is rotatably connected between the fixed ring and the circular plate, the outer portion of the rotating shaft is sleeved with the second drum side plate, the first drum side plate is provided with a plurality of equidistant distribution, the second drum side plate is arranged between the adjacent two first drum side plates, the second drum side plate is used in cooperation with the first drum side plate, the second drum side plate is fixedly connected with the rotating shaft, the corresponding two sides of the first drum side plate are provided with the first through hole, the corresponding two sides of the second drum side plate are provided with the second through hole, and the second through hole is used in cooperation with the first through hole.

[0008] Preferably, the rotating shaft penetrates through the fixed ring and extends above the fixed ring, the top of the fixed ring is rotatably connected with the rotating ring, the inside of the rotating ring is provided with the inclined groove, the inside of the inclined groove is slidably connected with the slide rod, the slide rod is fixedly connected with the rotating shaft, the slide rod and the rotating shaft are eccentrically arranged, and the slide rod drives the rotating shaft to rotate.

[0009] Preferably, the outer side wall of the slide rod is attached to the inner side wall of the inclined groove, when the rotating ring rotates, the rotating ring extrudes the slide rod through the inner wall of the inclined groove, so as to drive the rotating shaft to rotate, and the rotating shaft drives the second drum side plate to rotate.

[0010] Preferably, the inside of the rotating ring is provided with the limiting groove, the inside of the limiting groove is slidably connected with the limiting block, and the limiting block is fixedly connected with the fixed ring.

[0011] Preferably, the cross section of the limiting groove and the limiting block is T-shaped structure, the limiting groove and the limiting block are provided with four groups and are cross-shaped symmetrically distributed.

[0012] Preferably, the inside of the rotating ring is threadedly connected with the threaded rod, the inside of the fixed ring is provided with the positioning hole, the positioning hole is used in cooperation with the threaded rod, and the position of the rotating ring on the fixed ring is limited by the threaded rod and the positioning hole.

[0013] Compared with the prior art, the centrifuge with nitrogen detection device has the advantages that:

[0014] After the machine is stopped, the top cover is opened, and then the threaded rod is loosened, so that the threaded rod is separated from the positioning hole, at this time the rotation of the rotating ring is limited, at this time the rotating ring can be rotated, when the rotating ring rotates, the sliding rod is extruded through the inner wall of the inclined groove, and since the sliding rod and the rotating shaft are eccentrically arranged, the sliding rod subjected to extrusion drives the rotating shaft to rotate, the rotating shaft drives the second drum side plate to rotate, so that the second drum side plate is separated from the first drum side plate, at this time the first through hole and the second through hole are also opened, which is more conducive to the falling of the blockage in the circular hole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic view of the overall structure of the utility model;

[0016] Fig. 2 It is a schematic view of the structure of the limiting groove of the utility model;

[0017] Fig. 3 It is a schematic view of the structure of the first drum side plate of the utility model;

[0018] Fig. 4 It is a schematic view of the structure of the positioning hole of the utility model.

[0019] Explanation of reference numerals in the drawing: 1, outer cylinder; 2, top cover; 3, motor; 4, circular plate; 5, first drum side plate; 6, fixed circular ring; 7, rotating shaft; 8, second drum side plate; 9, first through hole; 10, second through hole; 11, rotating ring; 12, inclined groove; 13, sliding rod; 14, limiting groove; 15, limiting block; 16, threaded rod; 17, positioning hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1 to 4The utility model relates to a centrifuge with nitrogen detection device, including the outer tube 1, the top rotationally connected with the top cover 2 of outer tube 1, the bottom fixedly connected with motor 3 of outer tube 1, the output shaft of motor 3 vertically through outer tube 1 and extends to the inside of outer tube 1, and the output shaft of motor 3 is rotationally connected with outer tube 1, and the output end of motor 3 is fixedly connected with round plate 4, and the top of round plate 4 is fixedly connected with first drum side plate 5, and the top of first drum side plate 5 is fixedly connected with fixed ring 6, and rotation shaft 7 is rotationally connected between fixed ring 6 and round plate 4, and the outside of rotation shaft 7 is sleeved with second drum side plate 8, and first drum side plate 5 is provided with multiple, and is equidistantly distributed, and second drum side plate 8 is arranged between adjacent two first drum side plates 5, and second drum side plate 8 is used in cooperation with first drum side plate 5, and second drum side plate 8 is fixedly connected with rotation shaft 7, and the corresponding two sides of first drum side plate 5 are all provided with first through hole 9, and the corresponding two sides of second drum side plate 8 are all provided with second through hole 10, and second through hole 10 is used in cooperation with first through hole 9, and first through hole 9 and second through hole 10 can be spliced into a complete circular hole.

[0022] Further, the rotation shaft 7 vertically penetrates the fixed ring 6 and extends above the fixed ring 6, the top of the fixed ring 6 is rotationally connected with the rotating ring 11, the inside of the rotating ring 11 is provided with the inclined slot 12, the sliding rod 13 is slidably connected in the inclined slot 12, the sliding rod 13 is fixedly connected with the rotation shaft 7, and the sliding rod 13 and the rotation shaft 7 are eccentrically arranged, when the inclined slot 12 extrudes the sliding rod 13, the sliding rod 13 drives the rotation shaft 7 to rotate.

[0023] Further, the outer side wall of the sliding rod 13 is attached to the inner side wall of the inclined slot 12, when the rotating ring 11 rotates, the rotating ring 11 extrudes the sliding rod 13 through the inner wall of the inclined slot 12, thereby driving the rotation shaft 7 to rotate, and the rotation shaft 7 drives the second drum side plate 8 to rotate, so that the second drum side plate 8 is separated from the first drum side plate 5.

[0024] Further, the inside of the rotating ring 11 is provided with the limiting slot 14, the limiting block 15 is slidably connected in the limiting slot 14, the limiting block 15 is fixedly connected with the fixed ring 6, and the limiting slot 14 and the limiting block 15 are used to limit the rotating ring 11, so that the rotating ring 11 cannot be separated from the fixed ring 6.

[0025] Further, the cross sections of the limiting slot 14 and the limiting block 15 are T-shaped structures, the limiting slot 14 and the limiting block 15 are provided with four groups, and are cross-shaped symmetrically distributed.

[0026] Further, the inner thread of the rotating ring 11 is connected with a threaded rod 16, the inner part of the fixed ring 6 is provided with a positioning hole 17, the positioning hole 17 is used in cooperation with the threaded rod 16, the position of the rotating ring 11 on the fixed ring 6 is limited by the threaded rod 16 and the positioning hole 17, finally, the second rotating drum side plate 8 and the rotating shaft 7 cannot rotate by themselves.

[0027] The use steps of the centrifuge with the nitrogen detection device are as follows: when the centrifuge is used, the drum is composed of a plurality of first rotating drum side plates 5 and second rotating drum side plates 8, the two sides of each first rotating drum side plate 5 and second rotating drum side plate 8 are respectively provided with first through holes 9 and second through holes 10 of the same specification, the first through hole 9 and the second through hole 10 can be combined into a complete circular hole, if the circular hole is blocked, the top cover 2 can be opened after shutdown, then the threaded rod 16 is loosened, the threaded rod 16 is separated from the positioning hole 17, at this time, the limitation of the rotating ring 11 is removed, at this time, the rotating ring 11 can be rotated, when the rotating ring 11 rotates, the sliding rod 13 is extruded by the inner wall of the inclined chute 12, because the sliding rod 13 and the rotating shaft 7 are eccentrically arranged, the sliding rod 13 subjected to extrusion drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the second rotating drum side plate 8 to rotate, so that the second rotating drum side plate 8 is separated from the first rotating drum side plate 5, at this time, the first through hole 9 and the second through hole 10 are also opened, which is more conducive to the falling of the blockage in the circular hole.

[0028] The basic principle, main features and advantages of the centrifuge with the nitrogen detection device are shown and described. It should be understood by those skilled in the art that the centrifuge with the nitrogen detection device is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the centrifuge with the nitrogen detection device, and are not used to limit the centrifuge with the nitrogen detection device, various changes and improvements of the centrifuge with the nitrogen detection device can be made without departing from the spirit and scope of the centrifuge with the nitrogen detection device, and these changes and improvements all fall within the scope of the centrifuge with the nitrogen detection device. The protection scope of the centrifuge with the nitrogen detection device is defined by the appended claims and their equivalents.

Claims

1. A centrifugal machine with nitrogen detection device, comprising an outer cylinder (1), the top of the outer cylinder (1) is rotatably connected with a top cover (2), the bottom of the outer cylinder (1) is fixedly connected with a motor (3), the output shaft of the motor (3) penetrates through the outer cylinder (1) vertically and extends to the inside of the outer cylinder (1), the output shaft of the motor (3) is rotatably connected with the outer cylinder (1), characterized in that: The output end of the motor (3) is fixedly connected with a circular plate (4), the top of the circular plate (4) is fixedly connected with a first drum side plate (5), the top of the first drum side plate (5) is fixedly connected with a fixed circular ring (6), the fixed circular ring (6) is rotatably connected with a rotating shaft (7) between the circular plate (4), the outside of the rotating shaft (7) is sleeved with a second drum side plate (8), the second drum side plate (8) is used in cooperation with the first drum side plate (5), the second drum side plate (8) is fixedly connected with the rotating shaft (7), the corresponding two side edges of the first drum side plate (5) are both provided with a first through hole (9), the corresponding two side edges of the second drum side plate (8) are both provided with a second through hole (10), and the second through hole (10) is used in cooperation with the first through hole (9).

2. A centrifuge with a nitrogen detection device according to claim 1, characterized in that: The rotating shaft (7) vertically penetrates the fixed circular ring (6) and extends above the fixed circular ring (6), the top of the fixed circular ring (6) is rotatably connected with a rotating circular ring (11), the inside of the rotating circular ring (11) is provided with an inclined groove (12), the inside of the inclined groove (12) is slidably connected with a sliding rod (13), and the sliding rod (13) is fixedly connected with the rotating shaft (7).

3. A centrifuge with a nitrogen detection device according to claim 2, characterized in that: The outer side wall of the sliding rod (13) is attached to the inner side wall of the inclined groove (12).

4. The centrifuge with nitrogen detection device of claim 2, wherein: The inside of the rotating circular ring (11) is provided with a limiting groove (14), the inside of the limiting groove (14) is slidably connected with a limiting block (15), and the limiting block (15) is fixedly connected with the fixed circular ring (6).

5. A centrifuge with a nitrogen detection device according to claim 4, characterized in that: The cross sections of the limiting groove (14) and the limiting block (15) are both T-shaped structures.

6. A centrifuge with a nitrogen detection device according to claim 2, characterized in that: The inside of the rotating circular ring (11) is threadedly connected with a threaded rod (16), the inside of the fixed circular ring (6) is provided with a positioning hole (17), and the positioning hole (17) is used in cooperation with the threaded rod (16).

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