CN210022107U

CN210022107U - Stirring device of reaction kettle

Info

Publication number: CN210022107U
Application number: CN201821962615.2U
Authority: CN
Inventors: 谭君成
Original assignee: Shanghai Carol Chemical Co Ltd
Current assignee: Shanghai Carol Chemical Co Ltd
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-02-07
Anticipated expiration: 2028-11-26

Abstract

The utility model relates to an experimental device technical field discloses a reaction kettle's agitating unit, including base and stirring subassembly, be provided with the stirred tank reactor on the base, the stirring subassembly includes that puddler and coaxial fixed setting are used for the stirring piece at the puddler tip, is provided with lifting unit on the base, lifting unit drive stirring piece is at stirring piece elevating movement in the stirred tank reactor, stirring piece receives lifting unit drive elevating movement in stirred tank reactor in rotary motion, need not to use more stirring pieces, makes the stirring also can handle bigger scope.

Description

Stirring device of reaction kettle

Technical Field

The utility model relates to an experimental device technical field, more specifically say, it relates to a reation kettle's agitating unit.

Background

In industrial tests, many reaction vessels are used, and among them, stirred tank reactors are widely used in many fields of industry. According to statistics, about 70% of the three macromolecular synthetic materials are produced by adopting a stirred tank reactor. In the industrial production process, the stirring and mixing performance of the stirred tank reactor directly affects the product quality, the production cost, the energy consumption and other problems.

The stirred tank reactors are classified according to their uses, and include liquid-phase homogeneous stirred tanks, gas-liquid two-phase stirred tanks, solid-liquid two-phase stirred tanks, and gas-liquid-solid three-phase stirred tanks. The stirring rod that current stirred tank reactor has a plurality of stirring pieces through the agitator motor drive is usually set up and is rotated in order to increase stirring working range in order to promote its stirring effect, promotes stirring efficiency.

However, the method can generate more resistance in the stirring process, so that the normal work of the stirring motor is influenced, the load is increased, the stirring motor is easy to generate heat, the normal work of the stirring motor is not facilitated, and the stirring effect and the duration are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a stirring apparatus for a reaction kettle, which has the advantage of excellent stirring effect.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the stirring device of the reaction kettle comprises a base and a stirring assembly, wherein a stirring kettle reactor is arranged on the base, the stirring assembly comprises a stirring rod and a stirring piece which is coaxially and fixedly arranged at the end part of the stirring rod and used for stirring, a lifting assembly is arranged on the base, and the lifting assembly drives the stirring piece to be in lifting motion in the stirring kettle reactor.

Through above-mentioned technical scheme, the stirring piece receives lifting unit drive elevating movement in stirred tank reactor in rotary motion, need not to use more stirring pieces, makes the stirring also can handle to bigger scope.

The utility model discloses further set up to: the lifting assembly comprises a supporting rod fixedly arranged on the base and a lifting motor fixedly arranged at one end of the supporting rod far away from the base;

the stirring assembly comprises a stirring motor and a sliding block fixedly connected with the stirring motor, the sliding block is arranged on the supporting rod in a sliding mode, and the lifting motor drives the sliding block to lift along the supporting rod;

the stirred tank reactor comprises a reaction cavity and a sealing top cover for sealing the reaction cavity, and a stirring cylinder communicated with the reaction cavity is fixedly arranged on the sealing top cover;

the stirring rod is coaxially arranged in the stirring cylinder in a sliding manner, and the stirring motor is in transmission connection with the stirring rod and drives the stirring rod to slide along the stirring cylinder.

Through above-mentioned technical scheme, the elevator motor drive sliding block drives agitator motor when going up and down along the bracing piece, and then utilizes its transmission relation with the puddler by agitator motor to make the puddler follow the churn and slide and go up and down to make the stirring piece accomplish when stirred tank reactor internal rotation and go up and down.

The utility model discloses further set up to: the sliding block is provided with a threaded hole, the lifting assembly comprises a threaded rod which is coaxially and fixedly connected to an output shaft of the lifting motor, and the threaded rod is matched with the threaded hole.

Through above-mentioned technical scheme, the threaded rod is at the screw hole internal rotation, makes the sliding block accomplish quick lift along the bracing piece.

The utility model discloses further set up to: the stirring mechanism is characterized in that a transmission part is coaxially and fixedly connected to an output shaft of the stirring motor, a rotating part is coaxially and fixedly connected to one end, far away from the stirring piece, of the stirring rod, and the transmission part is in transmission connection with the rotating part through a belt or a chain.

Through above-mentioned technical scheme, transmission portion and rotation portion pass through belt or chain drive and connect, can satisfy the rotation effect and can satisfy the function that drives the puddler and go up and down again.

The utility model discloses further set up to: the transmission portion with all seted up the transmission annular on the rotation portion, the belt inlays to be established in the transmission annular.

Through above-mentioned technical scheme, the transmission ring groove is established the matching with inlaying of belt and is made its transmission more stable, can avoid droing when driving the puddler and go up and down moreover.

The utility model discloses further set up to: and a sealing layer for sealing the mixing drum is arranged on the mixing rod.

Through above-mentioned technical scheme, the leakproofness of sealing layer increase puddler and churn avoids the liquid or the gas in the stirred tank reactor to spill.

The utility model discloses further set up to: the outer wall of the reaction cavity is fixedly connected with a sliding block, the sliding block is arranged on the supporting rod in a sliding mode, the sliding block is connected with a positioning bolt in a threaded mode, and the positioning bolt is tightly abutted to the supporting rod.

Through the technical scheme, the position of the reaction cavity is convenient to adjust and fix.

Compared with the prior art, the beneficial effects of the utility model are that:

through making the stirring piece receive the lifting unit drive to be elevating movement in stirred tank reactor in rotary motion, increased the scope of stirring, need not to use more, bigger stirring piece also can obtain excellent stirring effect, guarantee agitator motor duration work for a longer time.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a partial structural sectional view of an embodiment of the present invention.

Reference numerals: 1. a base; 2. a stirring assembly; 21. a stirring rod; 22. a stirring member; 23. a stirring motor; 24. a sliding block; 241. a threaded hole; 25. a transmission section; 26. a rotating part; 27. a belt; 28. a transmission ring groove; 29. a sealing layer; 3. a stirred tank reactor; 31. a reaction chamber; 32. sealing the top cover; 33. a mixing drum; 34. a slider; 35. positioning the bolt; 4. a lifting assembly; 41. a support bar; 42. a lifting motor; 43. a threaded rod.

Detailed Description

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

A stirring device of a reaction kettle is shown in figure 1 and comprises a base 1, a stirring component 2 and a lifting component 4, and can be used for stirring substances in a stirring kettle reactor 3. The stirred tank reactor 3 comprises a reaction cavity 31 and a seal top cover 32 for sealing the reaction cavity 31, a stirring drum 33 is fixedly arranged on the seal top cover 32, and the stirring drum 33 is arranged in a hollow manner and is communicated with the reaction cavity 31. The stirring assembly 2 comprises a stirring motor 23, a stirring rod 21 inserted in a stirring cylinder 33 and a stirring piece 22 coaxially and fixedly arranged at the end part of the stirring rod 21. The stirring bar 22 may have a propeller-like or fan-blade-like shape, and can generate a stirring action while being rotated by the stirring motor 23.

As shown in fig. 1 and fig. 2, the lifting assembly 4 includes a supporting rod 41 fixed perpendicular to the base 1 and a lifting motor 42 fixedly disposed at one end of the supporting rod 41 far away from the base 1, a threaded rod 43 with threads is fixedly connected coaxially to an output shaft of the lifting motor 42, a sliding block 24 sliding along the supporting rod 41 is fixedly connected to the stirring motor 23, and a threaded hole 241 matched with the threaded rod 43 is disposed on the sliding block 24. The threaded rod 43 is screwed into the threaded hole 241, and the lifting motor 42 is started, so that the sliding block 24 can be driven to drive the stirring motor 23 to slide along the supporting rod 41.

Referring to fig. 1 and 2, a transmission portion 25 is coaxially fixed on an output shaft of the stirring motor 23, a rotation portion 26 is coaxially and fixedly connected to one end of the stirring rod 21, which is far away from the stirring element 22, and the transmission portion 25 and the rotation portion 26 can be connected through a belt 27 or a chain, so that the stirring rod 21 can be driven to rotate and simultaneously driven to lift.

Referring to fig. 1 and 2, in order to avoid the tension of the belt 27 during transmission by the belt 27, a transmission ring groove 28 matching with the belt 27 is formed on both the transmission portion 25 and the rotation portion 26, so that the belt 27 is embedded in the transmission ring groove 28, and the transmission stability is increased.

As shown in fig. 1 and 2, the seal layer 29 for increasing the sealing property between the stirring rod 21 and the stirring drum 33 is provided to prevent the liquid or gas in the stirred tank reactor 3 from leaking. Fixedly connected with slider 34 on the outer wall of reaction chamber 31, slider 34 slides and sets up on bracing piece 41, and threaded connection has positioning bolt 35 on slider 34, and positioning bolt 35 supports tightly with bracing piece 41, and the adjusting that can be convenient is with the position of fixed stirred tank reactor 3 to the positioning bolt 35 of unscrewing or screwing up positioning bolt 35.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A stirring device of a reaction kettle comprises a base (1) and a stirring assembly (2), wherein a stirring kettle reactor (3) is arranged on the base (1), and the stirring assembly (2) comprises a stirring rod (21) and a stirring piece (22) coaxially and fixedly arranged at the end part of the stirring rod (21) and used for stirring, a lifting assembly (4) is arranged on the base (1), and the lifting assembly (4) drives the stirring piece (22) to move up and down in the stirring kettle reactor (3) when the stirring piece (22) moves up and down; the lifting assembly (4) comprises a supporting rod (41) fixedly arranged on the base (1) and a lifting motor (42) fixedly arranged at one end, far away from the base (1), of the supporting rod (41); the stirring assembly (2) comprises a stirring motor (23) and a sliding block (24) fixedly connected with the stirring motor (23), the sliding block (24) is arranged on the supporting rod (41) in a sliding mode, and the lifting motor (42) drives the sliding block (24) to lift along the supporting rod (41); the stirred tank reactor (3) comprises a reaction cavity (31) and a sealing top cover (32) for sealing the reaction cavity (31), wherein a stirring cylinder (33) communicated with the reaction cavity (31) is fixedly arranged on the sealing top cover (32); the stirring rod (21) is coaxially arranged in the stirring cylinder (33) in a sliding manner, and the stirring motor (23) is in transmission connection with the stirring rod (21) and drives the stirring rod (21) to slide along the stirring cylinder (33); a threaded hole (241) is formed in the sliding block (24), the lifting assembly (4) comprises a threaded rod (43) which is coaxially and fixedly connected to an output shaft of the lifting motor (42), and the threaded rod (43) is matched with the threaded hole (241); a transmission part (25) is coaxially and fixedly connected to an output shaft of the stirring motor (23), a rotating part (26) is coaxially and fixedly connected to one end, far away from the stirring piece (22), of the stirring rod (21), and the transmission part (25) is in transmission connection with the rotating part (26) through a belt (27) or a chain; the transmission part (25) and the rotating part (26) are both provided with transmission ring grooves (28), and the belt (27) is embedded in the transmission ring grooves (28); a sealing layer (29) for sealing the stirring cylinder (33) is arranged on the stirring rod (21); the outer wall of the reaction cavity (31) is fixedly connected with a sliding block (34), the sliding block (34) is arranged on the supporting rod (41) in a sliding mode, the sliding block (34) is connected with a positioning bolt (35) in a threaded mode, and the positioning bolt (35) is tightly abutted to the supporting rod (41).