CN223811036U - Reaction kettle - Google Patents

Abstract

The utility model discloses a reaction kettle which comprises a kettle body, a stirring piece, a stirring frame and a driving piece, wherein the stirring piece is coaxially arranged in the kettle body, the bottom end of the stirring piece extends to the bottom in the kettle body, the stirring frame is rotatably sleeved outside the stirring piece, the driving piece is arranged at the top of the kettle body, and the driving piece is used for driving the stirring piece to upwards stir and the stirring frame to rotate. The device enables the materials to be greatly stirred, improves the mixing efficiency and ensures the mixing effect.

Description

Reaction kettle

Technical Field

The utility model relates to the technical field of polyurea reaction kettles, in particular to a reaction kettle.

Background

The polyurea has wide application, two reaction raw materials of isocyanate and amine compounds are required to be used for synthesis, and are subjected to mixed reaction in a stirring and heating mode, wherein the temperature, time, stirring speed and the like of the mixed reaction are all important factors for determining the quality of a finished product, and the reaction is usually carried out for 4-10 hours at 70-130 ℃;

In order to improve the production efficiency, people need to operate through a related reaction kettle, for example, chinese patent publication No. CN220425350U discloses a reaction kettle for preparing a low-VOC polyurea adhesive, the reaction kettle heats a kettle body through arranging a steam circulation layer, is provided with a rotating rod coaxial with the kettle body, is vertically provided with a plurality of groups of paired connecting rods at the outer side of the rotating rod, and is vertically provided with a plurality of fixing plates so as to form a tree-shaped stirring piece for stirring materials, thereby ensuring the production quality;

however, when the reaction kettle is in actual use, the stirring piece in the kettle can stir materials with relatively small stirring amplitude, so that the materials cannot be uniformly mixed in time, and the material mixing efficiency is low.

Disclosure of utility model

The utility model aims to overcome the technical defects, and provides a reaction kettle which solves the technical problem of low mixing efficiency caused by small stirring and turning range in the prior art.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

The utility model provides a reaction kettle which comprises a kettle body, a stirring piece, a stirring frame and a driving piece, wherein the stirring piece is coaxially arranged in the kettle body, the bottom end of the stirring piece extends to the bottom in the kettle body, the stirring frame is rotatably sleeved outside the stirring piece, the driving piece is arranged at the top of the kettle body, and the driving piece is used for driving the stirring piece to upwards stir and the stirring frame to rotate.

In some embodiments, the stirring piece includes pivot, a plurality of pushing ram, a plurality of stationary flow section of thick bamboo and vortex drum, the pivot coaxial and rotate set up in the internal portion of cauldron, a plurality of pushing ram evenly overlaps and locates the outside of pivot, a plurality of stationary flow section of thick bamboo overlaps respectively and locates a plurality of pushing ram's outside, the outside of stationary flow section of thick bamboo with the inboard of stirring frame is connected, two all be equipped with the vortex drum between the stationary flow section of thick bamboo, the coaxial cover of vortex drum is located the outside of pivot, the top of pivot runs through to the top outside of the cauldron body and with driving piece looks adaptation.

In some embodiments, a bracket is arranged on the inner wall of the bottom of the kettle body, and the bottom end of the rotating shaft is rotatably connected with the top of the bracket.

In some embodiments, the spoiler drum is double cone shaped.

In some embodiments, the stirring frame comprises an outer scraping frame, a plurality of pushing strips and a plurality of connecting rods, the outer scraping frame is rotationally sleeved outside the rotating shaft, the outer side of the outer scraping frame is in contact with the inner wall of the kettle body, the pushing strips are symmetrically distributed on the inner side of the outer scraping frame, the top ends of the pushing strips are fixedly connected with the inner walls of the top of the outer scraping frame, one ends of the connecting rods are respectively fixedly connected with the inner walls of the two sides of the outer scraping frame, the other ends of the connecting rods penetrate through one side of the pushing strips, the same lantern ring is fixedly connected with one end of the connecting rods, and the lantern ring is sleeved outside the steady flow barrel.

In some embodiments, the connection part of the outer scraping frame and the rotating shaft is sleeved with a rotating sleeve, the rotating sleeve is sleeved outside the rotating shaft, and the top of the rotating sleeve penetrates through the outer part of the top end of the kettle body and is matched with the driving part.

In some embodiments, the driving piece includes motor, first gear train and second gear train, motor fixed mounting in the top of cauldron body, first gear train with the second gear train all is equipped with two diameters and decreases in proper order and the coaxial gear that distributes, two gears in the first gear train are fixed the cover respectively and are located the pivot with rotate the top outside of cover, two gears in the second gear train all fixed set up in on the output shaft of motor, first gear train with gears in the second gear train are complementary to be distributed and mesh.

In some embodiments, two feed inlets are arranged at the top of the kettle body, and a top cover is sleeved outside the feed inlets.

In some embodiments, a discharge hole is formed in the bottom of the kettle body, and a bottom cover is sleeved outside the discharge hole.

In some embodiments, the bottom of the kettle body is provided with a support leg.

In specific operation, the materials to be mixed are injected into the kettle body, the driving piece is started, the driving piece drives the stirring piece and the stirring frame to rotate, the stirring piece pushes the materials upwards from the bottom of the kettle body, and the materials finally overflow through the top of the stirring piece, and meanwhile, the stirring frame stirs the materials on the outer side of the stirring piece, so that the materials can be stirred greatly, the mixing efficiency is improved, and the mixing effect is ensured.

Drawings

FIG. 1 is a schematic structural view of a reaction kettle provided in an embodiment of the present utility model;

FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;

fig. 3 is a schematic elevational view of the structure of fig. 2.

The reference numerals are 100, a kettle body, 110, a bracket, 200, a turning piece, 210, a rotating shaft, 220, a pushing paddle, 230, a steady flow cylinder, 240, a turbulent drum, 300, a stirring frame, 310, an outer scraping frame, 320, a pushing strip, 330, a connecting rod, 331, a lantern ring, 340, a rotating sleeve, 400, a driving piece, 410, a motor, 420, a first gear set, 430, a second gear set, 500, a feed inlet, 510, a top cover, 600, a discharge outlet, 610, a bottom cover, 700 and supporting legs.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In order to solve the technical problem of low stirring efficiency, the utility model provides a reaction kettle which can realize higher stirring efficiency.

It should be noted that, for convenience of description, only one reaction kettle is used for the polyurea reaction kettle, and the principle of the application of one reaction kettle in other types of equipment is substantially the same as that of the application of the reaction kettle in the polyurea reaction kettle, and is not described in detail herein.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a reaction kettle according to an embodiment of the present utility model, wherein the reaction kettle includes a kettle body 100, a stirring member 200, a stirring frame 300 and a driving member 400, the stirring member 200 is coaxially disposed in the kettle body 100, the bottom end of the stirring member 200 extends to the bottom inside the kettle body 100, the stirring frame 300 is rotatably sleeved outside the stirring member 200, the driving member 400 is mounted on the top of the kettle body 100, and the driving member 400 is used for driving the stirring member 200 to turn upwards and the stirring frame 300 to rotate;

In this embodiment, the materials to be mixed are injected into the kettle body 100, the driving member 400 is started, the driving member 400 drives the stirring member 200 and the stirring frame 300 to rotate, the stirring member 200 pushes the materials upwards from the bottom of the kettle body 100, the materials finally overflow through the top of the stirring member 200, and meanwhile, the stirring frame 300 stirs the materials outside the stirring member 200, so that the materials can be stirred greatly, the mixing efficiency is improved, and the mixing effect is ensured.

In one embodiment, referring to fig. 2-3, the turning piece 200 includes a rotating shaft 210, a plurality of pushing paddles 220, a plurality of flow stabilizing cylinders 230 and a flow disturbing drum 240, the rotating shaft 210 is coaxially and rotatably arranged inside the kettle body 100, the plurality of pushing paddles 220 are uniformly sleeved outside the rotating shaft 210, the plurality of flow stabilizing cylinders 230 are respectively sleeved outside the plurality of pushing paddles 220, the outside of the flow stabilizing cylinders 230 is connected with the inner side of the stirring frame 300, the flow disturbing drum 240 is arranged between the two flow stabilizing cylinders 230, the flow disturbing drum 240 is coaxially sleeved outside the rotating shaft 210, and the top end of the rotating shaft 210 penetrates through the top end of the kettle body 100 and is matched with the driving piece 400;

In this embodiment, the driving member 400 drives the rotating shaft 210 to rotate, the rotating shaft 210 drives the plurality of pushing paddles 220 to rotate, the pushing paddles 220 rotate in the steady flow barrel 230, the steady flow barrel 230 is always kept stable under the support of the stirring frame 300, the pushing paddles 220 push the material upwards, the material overflowing the steady flow barrel 230 is downward along with gravity, and then flows along with the pushing force of the pushing paddles 220 again, so that the material is reciprocated, and large-scale stirring is realized;

wherein, the bottom inner wall of the kettle body 100 is provided with a bracket 110, the bottom end of the rotating shaft 210 is rotatably connected with the top of the bracket 110, the top of the rotating shaft 210 is rotatably connected with the top of the kettle body 100, and the rotating stability of the rotating shaft 210 can be improved by increasing the bracket 110.

The turbulence drum 240 has a double cone shape, which can ensure the fluidity of the material.

In one embodiment, referring to fig. 2-3, the stirring rack 300 includes an outer scraping rack 310, a plurality of pushing strips 320 and a plurality of connecting rods 330, the outer scraping rack 310 is rotatably sleeved outside the rotating shaft 210, the outer side of the outer scraping rack 310 contacts with the inner wall of the kettle body 100, the pushing strips 320 are symmetrically distributed inside the outer scraping rack 310, the top ends of the pushing strips 320 are fixedly connected with the top inner wall of the outer scraping rack 310, one ends of the connecting rods 330 are respectively fixedly connected with the inner walls of two sides of the outer scraping rack 310, the other ends of the connecting rods 330 penetrate through one side of the pushing strips 320, one end, close to the connecting rods 330, of the connecting rods 330 is fixedly connected with the same collar 331, and the collar 331 is sleeved outside the steady flow barrel 230;

Wherein, the joint of the outer scraping frame 310 and the rotating shaft 210 is sleeved with a rotating sleeve 340, the rotating sleeve 340 is sleeved outside the rotating shaft 210, and the top of the rotating sleeve 340 penetrates to the outside of the top end of the kettle body 100 and is matched with the driving piece 400;

In this embodiment, when the driving member 400 drives the rotating shaft 210 to rotate, the outer scraping frame 310 is driven to rotate by the rotating sleeve 340, the outer scraping frame 310 scrapes the inner wall of the kettle body 100, so that materials are prevented from adhering to the inner wall of the kettle body 100, the outer scraping frame 310 rotates and drives the pushing strips 320 to rotate, an attack angle is arranged between the pushing strips 320 and the axis of the kettle body 100, the materials can be pushed to the center of the kettle body 100, the materials can flow and stir better, and meanwhile, the pushing strips 320 are reinforced by the connecting rod 330, so that the stability of operation is ensured.

In one embodiment, referring to fig. 2-3, the driving member 400 includes a motor 410, a first gear set 420 and a second gear set 430, the motor 410 is fixedly installed at the top of the kettle body 100, the first gear set 420 and the second gear set 430 are respectively provided with two gears with diameters decreasing in sequence and coaxially distributed, two gears in the first gear set 420 are respectively fixedly sleeved on the outer sides of the tops of the rotating shaft 210 and the rotating sleeve 340, two gears in the second gear set 430 are respectively fixedly arranged on the output shaft of the motor 410, and gears in the first gear set 420 and the second gear set 430 are complementarily distributed and meshed;

In this embodiment, the motor 410 drives the second gear set 430 to mesh with the first gear set 420, specifically, the gear with larger diameter in the second gear set 430 meshes with the gear with smaller diameter in the first gear set 420, the gear with larger diameter in the first gear set 420 meshes with the gear with smaller diameter in the second gear set 430, the gear with smaller diameter in the first gear set 420 is connected with the rotating sleeve 340, the gear with larger diameter is connected with the rotating shaft 210, and the complementary meshing makes the rotating speed of the rotating shaft 210 larger than that of the rotating sleeve 340, so as to meet the actual operation requirement.

Wherein, the top of the kettle body 100 is provided with two feed inlets 500, the outside of the feed inlets 500 is sleeved with a top cover 510, the bottom of the kettle body 100 is provided with a discharge outlet 600, the outside of the discharge outlet 600 is sleeved with a bottom cover 610, and the bottom of the kettle body 100 is provided with a support leg 700.

In order to better understand the utility model, the technical scheme of the utility model is described in detail below with reference to fig. 1 to 3, when the material to be mixed is injected into the kettle body 100, the motor 410 is started, the motor 410 drives the second gear set 430 to mesh and drive the first gear set 420, specifically, the larger diameter gear in the second gear set 430 meshes with the smaller diameter gear in the first gear set 420, the larger diameter gear in the first gear set 420 meshes with the smaller diameter gear in the second gear set 430, the smaller diameter gear in the first gear set 420 is connected with the rotating sleeve 340, the larger diameter gear of the smaller diameter gear is connected with the rotating shaft 210, and the complementary meshing enables the rotating speed of the rotating shaft 210 to be larger than that of the rotating sleeve 340, so that the actual operation requirement is met;

The motor 410 drives the rotating shaft 210 to rotate, the rotating shaft 210 drives the plurality of pushing paddles 220 to rotate, the pushing paddles 220 rotate in the steady flow barrel 230, the steady flow barrel 230 always ensures stability under the support of the stirring frame 300, the pushing paddles 220 push the material upwards, the material overflowing the steady flow barrel 230 downwards along with gravity and then flow along with the pushing force of the pushing paddles 220 again, meanwhile, the motor 410 drives the outer scraping frame 310 to rotate through the rotating sleeve 340, the outer scraping frame 310 scrapes the inner wall of the kettle body 100, the material is prevented from adhering to the inner wall of the kettle body 100, the outer scraping frame 310 rotates and drives the plurality of pushing strips 320 to rotate, an attack angle is arranged between the pushing strips 320 and the axial lead of the kettle body 100, the material can be pushed towards the center of the kettle body 100, the material can flow and stir better, the connecting rod 330 can strengthen the pushing strips 320, ensure the stability of operation to reciprocate with the reciprocating, and realize great stirring, so that the material can be stirred greatly, the mixing efficiency is improved, and the mixing effect is ensured.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims (9)

1. A reaction kettle, characterized by comprising:

a kettle body;

The turning piece is coaxially arranged in the kettle body, and the bottom end of the turning piece extends to the bottom in the kettle body;

a stirring frame rotatably sleeved outside the turning piece, and

The driving piece is arranged at the top of the kettle body and is used for driving the turning piece to turn upwards and the stirring frame to rotate;

The stirring piece comprises a rotating shaft, a plurality of pushing paddles, a plurality of steady flow drums and a turbulent flow drum, wherein the rotating shaft is coaxial and rotationally arranged inside the kettle body, the pushing paddles are uniformly sleeved outside the rotating shaft, the steady flow drums are respectively sleeved outside the pushing paddles, the steady flow drums are connected with the inner side of the stirring frame, the turbulent flow drum is arranged between the steady flow drums, the turbulent flow drum is coaxially sleeved outside the rotating shaft, and the top end of the rotating shaft penetrates through the top end of the kettle body and is matched with the driving piece.

2. The reaction kettle according to claim 1, wherein a bracket is arranged on the inner wall of the bottom of the kettle body, and the bottom end of the rotating shaft is rotatably connected with the top of the bracket.

3. The reactor of claim 1, wherein said turbulence drums are bi-conical.

4. The reaction kettle according to claim 1, wherein the stirring frame comprises an outer scraping frame, a plurality of pushing strips and a plurality of connecting rods, the outer scraping frame is rotatably sleeved outside the rotating shaft, the outer side of the outer scraping frame is in contact with the inner wall of the kettle body, the pushing strips are symmetrically distributed on the inner side of the outer scraping frame, the top ends of the pushing strips are fixedly connected with the inner wall of the top of the outer scraping frame, one ends of the connecting rods are respectively fixedly connected with the inner walls of two sides of the outer scraping frame, the other ends of the connecting rods penetrate through one side of the pushing strips, one end, close to the connecting rods, of the connecting rods is fixedly connected with a same lantern ring, and the lantern ring is sleeved outside the steady flow barrel.

5. The reaction kettle according to claim 4, wherein a rotating sleeve is sleeved at the joint of the outer scraping frame and the rotating shaft, the rotating sleeve is sleeved outside the rotating shaft, and the top of the rotating sleeve penetrates through the outer part of the top end of the kettle body and is matched with the driving piece.

6. The reaction kettle according to claim 5, wherein the driving member comprises a motor, a first gear set and a second gear set, the motor is fixedly mounted on the top of the kettle body, the first gear set and the second gear set are respectively provided with two gears with diameters decreasing in sequence and coaxially distributed, two gears in the first gear set are respectively fixedly sleeved on the outer sides of the tops of the rotating shaft and the rotating sleeve, two gears in the second gear set are respectively fixedly arranged on the output shaft of the motor, and gears in the first gear set and the second gear set are complementarily distributed and meshed.

7. The reaction kettle according to claim 1, wherein two feeding ports are arranged at the top of the kettle body, and a top cover is sleeved outside the feeding ports.

8. The reaction kettle according to claim 6, wherein a discharge port is arranged at the bottom of the kettle body, and a bottom cover is sleeved outside the discharge port.

9. The reaction kettle according to claim 7, wherein the bottom of the kettle body is provided with support legs.