CN211514544U

CN211514544U - Reaction kettle with efficient stirring paddle

Info

Publication number: CN211514544U
Application number: CN202020057347.0U
Authority: CN
Inventors: 邓留忠; 顾学强
Original assignee: Hangzhou Longju Synthetic Material Co ltd
Current assignee: Hangzhou Longju Synthetic Material Co ltd
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2020-09-18
Anticipated expiration: 2030-01-11

Abstract

The utility model relates to a reaction kettle with a high-efficiency stirring paddle, which comprises a tank body, support legs, a motor and a stirring paddle, wherein the support legs are fixed at the bottom of the tank body, the stirring paddle is arranged in the tank body along the vertical direction, the upper end of the stirring paddle is connected with the tank body in a rotating way, the motor is fixed at the top of the tank body and is connected with the stirring paddle, the stirring paddle comprises a stirring shaft and a stirring piece, the stirring piece is equidistantly provided with a plurality of pairs along the length direction of the stirring shaft, the stirring piece comprises an inner blade, a rotating shaft and an outer blade, the inner blade is vertically fixed on the stirring shaft, the rotating shaft is rotatably connected with one end of the inner blade far away from the stirring shaft, the outer blade is vertically fixed on the rotating shaft, the outer blade is equidistantly provided with a plurality of end gears along the circumferential direction of the rotating shaft, the gear is meshed with the face gear on the same plane. The utility model discloses have the effect that stirring efficiency is good, the reactant degree of mixing is high.

Description

Reaction kettle with efficient stirring paddle

Technical Field

The utility model belongs to the technical field of chemical production equipment's technique and specifically relates to a reation kettle with high-efficient stirring rake is related to.

Background

At present, in chemical production, a reaction kettle is indispensable equipment. The reaction kettle is widely applied to pressure vessels for petroleum, chemical engineering, rubber, pesticides, dyes, medicines and foods and is used for completing technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like.

Current reation kettle is including a jar body, stabilizer blade, motor and stirring rake, and the stabilizer blade is fixed in jar body bottom, and the stirring rake is located jar internal and the upper end and the jar body of stirring rake along vertical direction and is rotated and be connected, and the motor is fixed in a jar body top, and the transfer line of motor wears to locate jar body top and be fixed in the stirring rake, and when the motor rotated, the drive stirring rake rotated. The top of the tank body is provided with a feed inlet, and the bottom of the side edge of the tank body is provided with a discharge outlet.

The above prior art solutions have the following drawbacks: the stirring efficiency of the single-form stirring paddle is not high, and a good reaction effect is difficult to achieve when a reaction with a high requirement on the mixing degree is carried out.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a reation kettle with high-efficient stirring rake, have the efficient characteristics of stirring.

The above object of the present invention can be achieved by the following technical solutions:

a reaction kettle with a high-efficiency stirring paddle comprises a tank body, supporting legs, a motor and a stirring paddle, wherein the supporting legs are fixed at the bottom of the tank body, the stirring paddle is arranged in the tank body along the vertical direction, the upper end of the stirring paddle is rotatably connected with the tank body, the motor is fixed at the top of the tank body and is connected with the stirring paddle, the stirring paddle comprises a stirring shaft and stirring pieces, the stirring pieces are equidistantly provided with a plurality of pairs along the length direction of the stirring shaft, each stirring piece comprises an inner blade, a rotating shaft and an outer blade, the inner blades are vertically fixed on the stirring shaft, the rotating shaft is rotatably connected with one end of the inner blade, which is far away from the stirring shaft, the outer, the inner wall of the tank body is circumferentially provided with a plurality of face gears which are arranged at equal intervals along the vertical direction of the inner wall of the tank body, and a gear is fixed at one end of the rotating shaft, which is far away from the inner blade, and the gear is meshed with the end face gear on the same plane.

Through adopting above-mentioned technical scheme, the motor can drive the (mixing) shaft and rotate, and the axis of rotation can drive inner blade, axis of rotation and outer blade again and carry out the circular motion in the horizontal plane, and inner blade just can carry out circumferential stirring to the internal reactant of jar this moment. When the rotating shaft revolves around the stirring shaft as the axis, the gear displaces on the face gear, and the gear rotates under the meshing action of the face gear and drives the rotating shaft to rotate in the direction vertical to the stirring shaft, so that the outer blades rotate while revolving. Compare in single horizontal plane stirring, the utility model discloses when carrying out horizontal stirring through interior blade, accessible outer blade carries out periodic stirring in the vertical direction again, has higher stirring efficiency, and the torrent degree of playing the reactant during stirring is stronger, makes it have better degree of mixing.

The present invention may be further configured in a preferred embodiment as: be equipped with the spacing groove along circumference on jar internal wall, the spacing groove is equipped with a plurality of along jar vertical direction equidistance of internal wall, keeps away from the one end coaxial fixed stopper of axis of rotation at the gear, and the stopper inserts in the spacing groove.

Through adopting above-mentioned technical scheme, when the axis of rotation carries out the rotation under the drive of gear, the gear is located the one end of keeping away from the tie point, so gear motion's stability is not high, and will insert the spacing bar with gear connection in the spacing groove, under the limiting displacement of spacing groove, can keep away from the one end of tie point to the axis of rotation and fix, is that the motion of gear is more steady, prevents that the gear from deviating from face gear.

The present invention may be further configured in a preferred embodiment as: the part of the limiting rod inserted into the limiting groove is rotatably connected with a roller which is abutted against the side wall of the limiting groove.

Through adopting above-mentioned technical scheme, become the rolling friction of freedom with the friction between gag lever post and the spacing groove, it is more stable smooth and easy that the motion of gag lever post in the spacing groove reduces the kinetic energy loss because of frictional force causes.

The present invention may be further configured in a preferred embodiment as: the inner blade includes the blade main part, the connecting piece and rotates the piece, the (mixing) shaft, blade main part and connecting piece fixed connection in proper order, the coaxial butt of rotation keeps away from the one end of blade main part in the connecting piece, the cover is equipped with the adapter sleeve on the connecting piece, all be equipped with the spacing ring that is used for preventing the adapter sleeve from deviating from the connecting piece on connecting piece and the adapter sleeve, adapter sleeve threaded connection is in the one end that rotates the piece and is close to the connecting piece, the spacing ring on connecting piece and the adapter sleeve.

Through adopting above-mentioned technical scheme, make stirring spare removable, make things convenient for the installation and the change of outer blade. When the connecting sleeve needs to be detached, the connecting sleeve only needs to be screwed towards one end far away from the rotating part, so that the connecting sleeve and the limiting ring on the connecting piece are not abutted any more, and the connecting sleeve is separated from the rotating part, and the mounting steps are the same as the above.

The present invention may be further configured in a preferred embodiment as: the end of the connecting piece far away from the blade body is provided with a square positioning block, one end of the rotating piece, which is abutted against the connecting piece, is provided with a positioning hole matched with the positioning block, and the positioning block is inserted into the positioning hole.

Through adopting above-mentioned technical scheme, when the installation outer blade, insert the locating piece on the connecting piece in the locating hole of rotating the piece now, again with adapter sleeve threaded connection to rotate on the piece. Through the limiting effect of the positioning block and the positioning hole, the connecting piece and the rotating piece can be quickly positioned and always kept coaxial in the installation process, and the connecting sleeve is more easily in threaded connection with the rotating piece. And locating piece and locating hole all are square setting, and this makes connecting piece and rotation piece can not take place relative rotation after the concatenation, has guaranteed the stability of its junction, makes connection structure more firm.

The present invention may be further configured in a preferred embodiment as: the rotating member and the rotating shaft are rotatably connected by a bearing.

Through adopting above-mentioned technical scheme, the bearing has greatly reduced the rotational friction between rotation piece and the axis of rotation, makes the resistance of axis of rotation when the rotation littleer, reduces the energy consumption to can reduce face gear's wearing and tearing.

The present invention may be further configured in a preferred embodiment as: the stirring shaft is spirally provided with a rotary vane along the length direction.

By adopting the technical scheme, under the action of the rotary vane, reactants around the stirring shaft can be fully stirred, and the reactants in the middle position can flow in the vertical direction, so that the mixing degree is further improved.

The present invention may be further configured in a preferred embodiment as: the inner surface of the bottom of the tank body is provided with a fixed block, and one end of the stirring shaft, which is far away from the motor, is inserted into the fixed block and is rotatably connected with the fixed block.

Through adopting above-mentioned technical scheme, the one end that makes the (mixing) shaft keep away from the motor obtains fixedly, makes whole (mixing) shaft more stable at the stirring in-process, is difficult for appearing rocking, and then guarantees the stability of stirring process, prevents that the uneven condition of atress from appearing in the face gear, improves the life of (mixing) shaft.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the stirring efficiency is better, and the reactants have higher mixing degree;

2. the stirring paddle has stable integral structure in the stirring process and is stressed uniformly in the stirring process;

3. the stirring piece is detachable, and is convenient to install and maintain;

4. the energy consumption of the stirring paddle caused by friction is small.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a partial cross-sectional view of the embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of the stirring member;

fig. 5 is an exploded view of the stirring member.

In the figure, 10, a can body; 11. a support leg; 12. a motor; 20. a stirring paddle; 21. a stirring shaft; 211. rotating leaves; 212. a fixed block; 22. a stirring member; 23. an inner blade; 231. a blade main body; 232. a connecting member; 233. connecting sleeves; 234. a limiting ring; 235. a rotating member; 236. positioning blocks; 237. positioning holes; 238. a bearing; 24. a rotating shaft; 25. an outer blade; 26. a face gear; 261. a gear; 27. a limiting groove; 271. a limiting rod; 272. and a roller.

Detailed Description

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

Referring to fig. 1 and fig. 2, for the utility model discloses a reaction kettle with high-efficient stirring rake 20, including jar body 10, stabilizer blade 11, motor 12 and stirring rake 20. The can body 10 includes an upper half and a lower half, which are connected by a flange. The stabilizer blade 11 is fixed in jar body 10 bottom, and stirring rake 20 is located in jar body 10 along vertical direction and the upper end of stirring rake 20 rotates with jar body 10 and is connected, and motor 12 is fixed in jar body 10 top. A feed inlet is arranged at the top of the tank body 10, and a discharge outlet is arranged at the bottom of the side edge of the tank body 10. The tank body 10 is fed and discharged through the feeding hole and the discharging hole, and the stirring paddle 20 can be driven to stir the reactant under the driving of the motor 12. The can body 10 is formed by two flange connections, which allows the can body 10 to be opened for internal maintenance.

Referring to fig. 2, the stirring paddle 20 includes a stirring shaft 21 and stirring members 22, three pairs of the stirring members 22 are equidistantly arranged along the length direction of the stirring shaft 21, each stirring member 22 includes an inner blade 23, a rotating shaft 24 and an outer blade 25, the inner blades 23 are vertically fixed to the stirring shaft 21, the rotating shaft 24 is rotatably connected to one end of each inner blade 23 far away from the stirring shaft 21, the outer blades 25 are vertically fixed to the rotating shaft 24, and the outer blades 25 are equidistantly arranged along the circumference of the rotating shaft 24. The inner wall of the tank body 10 is circumferentially provided with a plurality of face gears 26, the face gears 26 are equidistantly arranged along the vertical direction of the inner wall of the tank body 10, one end of the rotating shaft 24 far away from the inner blade 23 is fixed with a gear 261, and the gear 261 is meshed with the face gears 26 on the same plane. Under the driving of the motor 12, the inner blades 23 and the rotating shaft 24 can be driven to perform circular motion by taking the stirring shaft 21 as a circle center, and the rotating shaft 24 can rotate perpendicular to the stirring shaft 21 under the driving of the face gear 26 while performing revolution, so that the outer blades 25 are driven to perform periodic stirring in a vertical plane, and multi-directional matched stirring is realized.

Referring to fig. 3, the inner wall of the tank 10 is circumferentially provided with a plurality of limiting grooves 27, the limiting grooves 27 are equidistantly provided along the vertical direction of the inner wall of the tank 10, a limiting rod 271 is coaxially fixed at one end of the gear 261 far away from the rotating shaft 24, and the limiting rod 271 is inserted into the limiting groove 27. A roller 272 is rotatably connected to a portion of the stopper rod 271 inserted into the stopper groove 27, and the roller 272 abuts against a side wall of the stopper groove 27. Through the limiting groove 27 and the limiting rod 271, one end of the rotating shaft 24 away from the fixed point can be limited, so that the rotating shaft 24 is more stable in the moving process, and the gear 261 can more stably mesh and move on the face gear 26. And the roller 272 is additionally arranged at the tail end of the limiting rod 271, so that the relative motion between the limiting rod 271 and the limiting groove 27 is smoother, and the energy consumption caused by friction is reduced.

Referring to fig. 4 and 5, the inner blade 23 includes a blade main body 231, a connecting member 232 and a rotating member 235, the stirring shaft 21, the blade main body 231 and the connecting member 232 are sequentially and fixedly connected, the rotating member 235 coaxially abuts against one end of the connecting member 232 far away from the blade main body 231, a connecting sleeve 233 is sleeved on the connecting member 232, both the connecting member 232 and the connecting sleeve 233 are provided with a limiting ring 234 for preventing the connecting sleeve 233 from coming off from the connecting member 232, the connecting sleeve 233 is in threaded connection with one end of the rotating member 235 near the connecting member 232, the connecting member 232 and the limiting ring 234 on the connecting sleeve 233 abut against each other, and the rotating shaft 24. A square positioning block 236 is disposed at one end of the connecting member 232 away from the blade body 231, a positioning hole 237 matched with the positioning block 236 is disposed at one end of the rotating member 235 abutting against the connecting member 232, and the positioning block 236 is inserted into the positioning hole 237.

The coupling member 232 and the rotation member 235 are coupled by screwing the coupling sleeve 233 having a spacing relationship with the coupling member 232 to the rotation member 235. The inner blade 23 and the rotating shaft 24 are detachably connected through the connecting piece 232 and the rotating piece 235, so that the stirring piece 22 is convenient to maintain and replace.

Referring to fig. 2, a rotating blade 211 is spirally provided on the stirring shaft 21 in the longitudinal direction. A fixed block 212 is arranged on the inner surface of the bottom of the tank 10, and one end of the stirring shaft 21 far away from the motor 12 is inserted into the fixed block 212 and is rotatably connected with the fixed block 212. When the stirring shaft 21 rotates, the rotary vane 211 is driven to rotate, so that the reactant around the stirring shaft 21 is stirred, the reactant is stirred and mixed in the vertical direction along the stirring shaft 21, and the mixing degree of the reactant is improved. And the end of the stirring shaft 21 far away from the motor 12 can be fixed through the fixing block 212, so that the stirring shaft 21 is more stable in the rotating process, and the stress of the end face gear 26 is more even.

The implementation principle of the embodiment is as follows:

1. the materials are fed into the tank body 10 through the feeding hole, the motor 12 is started during the reaction, the motor 12 drives the stirring shaft 21 to rotate, the rotating shaft 24 drives the inner blade 23, the rotating shaft 24 and the outer blade 25 to perform circular motion in the horizontal plane, and at the moment, the inner blade 23 can perform circumferential stirring on the reactants in the tank body 10. When the rotating shaft 24 revolves around the stirring shaft 21, the gear 261 displaces at the face gear 26, and at this time, the gear 261 rotates under the meshing action of the face gear 26 and drives the rotating shaft 24 to rotate in the direction perpendicular to the stirring shaft 21, so that the outer blades 25 rotate while revolving, and the reactant is periodically stirred in the vertical direction.

2. When the stirring member 22 needs to be repaired or replaced, the connecting sleeve 233 is screwed in a direction away from the rotating member 235, so that the connecting sleeve 233 and the limiting ring 234 on the connecting member 232 are not abutted any more, the connecting sleeve 233 is separated from the rotating member 235, then the rotating member 235 is pulled out from the connecting member 232, and the positioning block 236 is separated from the positioning hole 237, so that the stirring member 22 is convenient to detach and stable in structure after being installed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a reation kettle with high-efficient stirring rake (20), includes jar body (10), stabilizer blade (11), motor (12) and stirring rake (20), and stabilizer blade (11) are fixed in jar body (10) bottom, and stirring rake (20) are located jar interior and the upper end of stirring rake (20) and jar body (10) rotation connection along vertical direction, and motor (12) are fixed in jar body (10) top and are connected its characterized in that with stirring rake (20): the stirring paddle (20) comprises a stirring shaft (21) and a stirring part (22), the stirring part (22) is provided with a plurality of pairs at equal intervals along the length direction of the stirring shaft (21), the stirring part (22) comprises an inner blade (23), a rotating shaft (24) and an outer blade (25), the inner blade (23) is vertically fixed on the stirring shaft (21), the rotating shaft (24) is rotatably connected with one end of the inner blade (23) far away from the stirring shaft (21), the outer blade (25) is vertically fixed on the rotating shaft (24), and a plurality of outer blades (25) are arranged at equal intervals along the circumferential direction of the rotating shaft (24), the inner wall of the tank body (10) is provided with a plurality of face gears (26) along the circumferential direction, the face gears (26) are arranged at equal intervals along the vertical direction of the inner wall of the tank body (10), a gear (261) is fixed on one end of the rotating shaft (24) far away from the inner blade (23), and the gear (261) is meshed with a face gear (26) on the same plane.

2. The reactor with the high efficiency stirring paddle (20) as recited in claim 1, wherein: the inner wall of the tank body (10) is circumferentially provided with a plurality of limiting grooves (27), the limiting grooves (27) are equidistantly arranged along the vertical direction of the inner wall of the tank body (10), one end of the gear (261) far away from the rotating shaft (24) is coaxially fixed with a limiting rod (271), and the limiting rod (271) is inserted into the limiting grooves (27).

3. The reactor with the high efficiency stirring paddle (20) as recited in claim 2, wherein: the roller (272) is rotatably connected to the part of the limiting rod (271) inserted into the limiting groove (27), and the roller (272) abuts against the side wall of the limiting groove (27).

4. The reactor with the high efficiency stirring paddle (20) as recited in claim 1, wherein: interior blade (23) are including blade main part (231), connecting piece (232) and rotation piece (235), stirring shaft (21), blade main part (231) and connecting piece (232) are fixed connection in proper order, rotate the coaxial butt of piece (235) and keep away from the one end of blade main part (231) in connecting piece (232), the cover is equipped with adapter sleeve (233) on connecting piece (232), all be equipped with spacing ring (234) that are used for preventing adapter sleeve (233) from deviating from connecting piece (232) on connecting piece (232) and adapter sleeve (233), adapter sleeve (233) threaded connection is in the one end that rotates piece (235) and is close to connecting piece (232), spacing ring (234) on connecting piece (232) and adapter sleeve (233) are tight each other to support, axis of rotation (24) are rotated and are connected in rotating piece.

5. The reactor with the high efficiency stirring paddle (20) as recited in claim 4, wherein: one end of the connecting piece (232) far away from the blade main body (231) is provided with a square positioning block (236), one end of the rotating piece (235) abutting against the connecting piece (232) is provided with a positioning hole (237) matched with the positioning block (236), and the positioning block (236) is inserted into the positioning hole (237).

6. The reactor with the high efficiency stirring paddle (20) as recited in claim 4, wherein: the rotating member 235 is rotatably connected to the rotating shaft 24 via a bearing 238.

7. The reactor with the high efficiency stirring paddle (20) as recited in claim 1, wherein: the stirring shaft (21) is spirally provided with a rotary vane (211) along the length direction.

8. The reactor with the high efficiency stirring paddle (20) as recited in claim 1, wherein: a fixed block (212) is arranged on the inner surface of the bottom of the tank body (10), and one end, far away from the motor (12), of the stirring shaft (21) is inserted into the fixed block (212) and is rotationally connected with the fixed block (212).