CN111821931A

CN111821931A - Polymerization reaction kettle

Info

Publication number: CN111821931A
Application number: CN202010674170.3A
Authority: CN
Inventors: 韩智源; 蒋庆楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-10-27

Abstract

The invention relates to the technical field of reaction kettles, in particular to a polymerization reaction kettle, which comprises a reaction kettle, a rotary air inlet structure, a stirring structure and a damping support structure, wherein the rotary air inlet structure is connected to the reaction kettle and comprises a motor, a vertical rotating pipe, an L-shaped exhaust pipe, a horizontal rotating pipe and a nitrogen inlet pipe, the motor is arranged at the center of the bottom of the reaction kettle in an inverted manner, the output end of the motor is connected with the vertical rotating pipe, the outer side wall of the top end of the vertical rotating pipe is communicated with the two symmetrically arranged horizontal rotating pipes, the outer side surface of the horizontal rotating pipe is communicated with a plurality of uniformly arranged L-shaped exhaust pipes, and the top end of the vertical rotating pipe penetrates through the top of the reaction kettle and is rotatably connected with the. The polymerization reaction kettle provided by the invention has the advantages that the introduced nitrogen can be rapidly diffused into the reaction kettle, the possibility of contact with the raw materials is increased, the time for completely mixing the nitrogen and the raw materials is shortened, and the working efficiency is improved.

Description

Polymerization reaction kettle

Technical Field

The invention relates to the technical field of reaction kettles, in particular to a polymerization reaction kettle.

Background

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 such as vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, such as a reactor, a reaction kettle, a decomposition kettle, a polymerization kettle and the like; the material is generally carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel, Inconel) alloy and other composite materials.

The method for producing polymerized rosin by adopting a zinc sulfate-chloride method comprises the steps of firstly putting a mixed solution of rosin and xylene into an enamel polymerization reaction pot, introducing dry nitrogen to protect and adding concentrated sulfuric acid under stirring, adding anhydrous zinc chloride after adding the concentrated sulfuric acid, and reducing the complete mixing rate of internal raw materials and nitrogen due to the fact that a nitrogen introducing port is fixed under the protection of dry nitrogen, so that the production efficiency is influenced. Therefore, there is a need to provide a new polymerization reactor to solve the above technical problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a polymerization reaction kettle.

The technical scheme adopted by the invention for solving the technical problems is as follows: a polymerization reaction kettle comprises a reaction kettle, a rotary air inlet structure, a stirring structure and a damping support structure, wherein two symmetrically arranged discharge ports are formed in the bottom of the reaction kettle, a feed port is formed in the outer arc shape of the top of the reaction kettle, and the discharge port and the feed port are respectively in threaded connection with a sealing plug; the rotary air inlet structure is connected to the reaction kettle and comprises a motor, a vertical rotary pipe, L-shaped exhaust pipes, horizontal rotary pipes and a nitrogen inlet pipe, the motor is arranged at the center of the bottom of the reaction kettle in an inverted manner, the output end of the motor is connected with the vertical rotary pipe, the outer side wall of the top end of the vertical rotary pipe is communicated with the two symmetrically arranged horizontal rotary pipes, the outer side surface of each horizontal rotary pipe is communicated with a plurality of L-shaped exhaust pipes which are uniformly arranged, the top end of each vertical rotary pipe penetrates through the top of the reaction kettle and is rotatably connected with the top of the reaction kettle, and the inside of the top end of each vertical rotary pipe is rotatably connected with the; the stirring structure is connected with the vertical rotating pipe; the shock absorption supporting structure is connected to the bottom of the reaction kettle.

Preferably, the stirring structure comprises a bearing, a vertical rotating shaft, stirring blades, spiral feeding blades, an inner gear ring and a gear, the bearing is fixedly connected to the other end of the horizontal rotating pipe, the bearing is connected to the vertical rotating shaft in a rotating mode, the outer side wall of the vertical rotating shaft is connected with the stirring blades, the outer side wall of the vertical rotating pipe is connected with the spiral feeding blades, the inner gear ring is located above the horizontal rotating pipe, the outer side wall of the inner gear ring is connected with the inner side wall of the reaction kettle, and the top end of the vertical rotating shaft is connected to the.

Preferably, the gear top surface is connected with a conical block.

Preferably, shock attenuation bearing structure includes bent shape bracing piece, cushion, slide bar, damping spring, recess and spout, and the bent shape bracing piece that a plurality of annular set up is connected to reation kettle bottom lateral wall, and bent shape bracing piece other end central point puts and is equipped with the recess, and the embedding face passes through damping spring and connects the cushion in the recess, and the slide bar that two symmetries set up is connected to cushion top surface, bent shape bracing piece bottom face be equipped with slide bar assorted spout.

Preferably, the nitrogen gas inlet pipe is inserted into the outer side wall of the top end of the vertical rotating pipe and is connected with the sealing ring.

Preferably, the sealing plug is connected with the outer side surface of the reaction kettle through a traction rope.

Compared with the related art, the polymerization reaction kettle provided by the invention has the following beneficial effects:

(1) the invention provides a polymerization reaction kettle, which can drive the interior of a vertical rotating pipe to rotate through a rotary air inlet structure, nitrogen flows into the interior of a horizontal rotating pipe from the interior of the vertical rotating pipe, the introduced nitrogen can be rapidly diffused into the reaction kettle due to the fact that the horizontal rotating pipe completes circular motion, the possibility of contact with raw materials is increased, the time for completely mixing the nitrogen and the raw materials is shortened, and the working efficiency is improved.

(2) The invention provides a polymerization reaction kettle, which can enable a vertical rotating shaft to complete circular motion and also to rotate through a stirring structure, so that internal raw materials are stirred and mixed, and the spiral feeding blade can enable the central position of the bottom in the reaction kettle to be far away from a bolt to be output upwards and then fall down, so that the upper-layer raw materials and the bottom-layer raw materials are mixed better, the mixing efficiency is improved, and the processing production efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of a polymerization reactor according to a preferred embodiment of the present invention;

FIG. 2 is a schematic top view of the meshing of the ring gear and the gears shown in FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. a reaction kettle; 2. a rotary air intake structure; 3. a stirring structure; 4. a shock absorbing support structure; 5. a hauling rope; 6. a sealing plug; 21. a motor; 22. vertically rotating the tube; 23. an L-shaped exhaust pipe; 24. a horizontal rotation tube; 25. a nitrogen inlet pipe; 31. a bearing; 32. a vertical rotation axis; 33. a stirring blade; 34. a helical loading blade; 35. an inner gear ring; 36. a gear; 41. a curved support bar; 42. cushion blocks; 43. a slide bar; 44. a damping spring; 45. a groove; 46. a chute.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2 and fig. 3 in combination, a polymerization reactor comprises a reaction vessel 1, a rotary gas inlet structure 2, a stirring structure 3 and a shock-absorbing support structure 4, wherein two symmetrically arranged discharge ports are formed in the bottom of the reaction vessel 1, a feed port is formed in the top outer arc of the reaction vessel 1, the discharge port and the feed port are respectively in threaded connection with a sealing plug 6, the rotary gas inlet structure 2 is connected to the reaction vessel 1, the rotary gas inlet structure 2 comprises a motor 21, a vertical rotary pipe 22, an L-shaped gas exhaust pipe 23, a horizontal rotary pipe 24 and a nitrogen gas inlet pipe 25, the motor 21 is installed at the center of the bottom of the reaction vessel 1 and is reversely buckled, the output end of the motor 21 is connected with the vertical rotary pipe 22, the outer side wall of the top end of the vertical rotary pipe 22 is communicated with the two symmetrically arranged horizontal rotary pipes 24, the outer side wall of, the top of vertical rotation pipe 22 runs through reation kettle 1's top and is connected with reation kettle 1's top rotation, vertical rotation pipe 22's top is inside to be rotated and is connected nitrogen gas and let in pipe 25, it should be noted that, the inside that will need polymerization raw materials to drop into reation kettle 1, with relevant equipment such as the external nitrogen gas generator of outer end that nitrogen gas lets in pipe 25, can let nitrogen gas let in pipe 25 and carry the inside of vertical rotation pipe 22, open motor 21, thereby can drive vertical rotation pipe 22's inside emergence is rotatory, nitrogen gas flows into horizontal rotation pipe 24 inside from vertical rotation pipe 22, because horizontal rotation pipe 24 accomplishes circular motion, can let and let nitrogen gas diffuse inside reation kettle rapidly, with the raw materials contact possibility increase, and shorten the nitrogen gas and raw materials complete mixing used time, and improve work efficiency.

Referring to fig. 1 and 2, the stirring structure 3 is connected to the vertical rotating pipe 22, the stirring structure 3 includes a bearing 31, a vertical rotating shaft 32, stirring blades 33, a spiral feeding blade 34, an inner gear 35 and a gear 36, the other end of the horizontal rotating pipe 24 is fixedly connected to the bearing 31, the inside of the bearing 31 is rotatably connected to the vertical rotating shaft 32, the outer side wall of the vertical rotating shaft 32 is connected to a plurality of stirring blades 33, the outer side wall of the vertical rotating pipe 22 is connected to the spiral feeding blade 34, the inner gear 35 is located above the horizontal rotating pipe 24 and is connected to the inner side wall of the reaction kettle 1, the top end of the vertical rotating shaft 32 is connected to the gear 36 engaged with the inner gear 35, the motor 21 is turned on, at the same time, since the outer side wall of the top end of the vertical rotating pipe 22 is communicated with the two symmetrically arranged horizontal rotating pipes 24, the rotation of the vertical rotating pipe 22 drives, horizontal rotation pipe 24's rotation drives gear 36 and ring gear 35 internal tooth meshing, make gear 36 and ring gear 35 produce the rotation, thereby can let vertical rotation axis 32 accomplish circular motion simultaneously, can also make vertical rotation axis 32 rotate, thereby stir the mixture to inside raw materials, further messenger's raw materials stirring is more even, and spiral feeding blade 34 can let bottom central point put and keep away from the bolt upwards output in reation kettle 1, then fall, better make upper raw materials and bottom raw materials mix, and the mixing efficiency is improved, and the processing production efficiency is improved.

Referring to fig. 1 and 2, the top surface of the gear 36 is connected with a conical block, the conical block can fall into raw materials and slide out from the inclined surface of the conical block, the conical block prevents the thrown raw materials from falling into the top surface of the gear 36 and accumulating, the dropped materials are better allowed to fall into the reaction kettle 1, and the resource utilization rate is fully improved.

Referring to fig. 1 and 3, shock attenuation bearing structure 4 connects in reation kettle 1 bottom, shock attenuation bearing structure 4 includes bent shape bracing piece 41, cushion 42, slide bar 43, damping spring 44, recess 45 and spout 46, the bent shape bracing piece 41 that a plurality of annular set up is connected to reation kettle 1 bottom lateral wall, bent shape bracing piece 41 other end central point puts and is equipped with recess 45, damping spring 44 connection cushion 42 is passed through to the embedding face in the recess 45, slide bar 43 that two symmetries set up is connected to cushion 42 top surface, bent shape bracing piece 41 bottom face is equipped with and slides bar 43 assorted spout 46, it is required to explain that, the course of work produces and rocks from top to bottom, receive damping spring 44 rebound force effect, the buffering produces and rocks the possibility, guarantee production job stabilization nature.

Referring to fig. 1, the nitrogen gas inlet pipe 25 is inserted into the outer side wall of the top end of the vertical rotating pipe 22 to connect with the sealing ring, and it should be noted that the possibility of leakage caused by the introduction of nitrogen gas into the vertical rotating pipe 22 in the rotating process is reduced, so that it is ensured that the nitrogen gas can be completely introduced into the reaction kettle 1 to the maximum extent, and the resource loss is reduced.

Referring to fig. 1, the sealing plug 6 is connected with the outer side surface of the reaction kettle 1 through a traction rope 5, and the sealing plug 6 can be suspended and placed after being removed, so that the sealing plug is not easy to drop.

The working principle is as follows: will need the polymerization raw materials to drop into reation kettle 1's inside, with relevant equipment such as the external nitrogen generator of outer end of nitrogen gas inlet pipe 25, can let nitrogen gas inlet pipe 25 carry the inside of vertical rotation pipe 22, open motor 21, thereby can drive vertical rotation pipe 22's inside emergence rotation, nitrogen gas flows into horizontal rotation pipe 24 inside from vertical rotation pipe 22 is inside, because horizontal rotation pipe 24 accomplishes circular motion, can let and let in nitrogen gas inside diffusing reation kettle rapidly, with raw materials contact possibility increase, and shorten nitrogen gas and raw materials complete mixing used time, and the work efficiency is improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A polymerization reaction kettle is characterized by comprising a reaction kettle (1), a rotary air inlet structure (2), a stirring structure (3) and a damping support structure (4), wherein two symmetrically arranged discharge ports are formed in the bottom of the reaction kettle (1), a feed port is formed in the top outer arc of the reaction kettle (1), and the discharge port and the feed port are respectively in threaded connection with a sealing plug (6); the rotary air inlet structure (2) is connected to the reaction kettle (1), the rotary air inlet structure (2) comprises a motor (21), a vertical rotary pipe (22), L-shaped exhaust pipes (23), a horizontal rotary pipe (24) and a nitrogen inlet pipe (25), the motor (21) is arranged at the bottom center of the reaction kettle (1) in an inverted manner, the output end of the motor (21) is connected with the vertical rotary pipe (22), the outer side wall of the top end of the vertical rotary pipe (22) is communicated with the two horizontal rotary pipes (24) which are symmetrically arranged, the outer side surface of each horizontal rotary pipe (24) is communicated with a plurality of L-shaped exhaust pipes (23) which are uniformly arranged, the top end of the vertical rotary pipe (22) penetrates through the top of the reaction kettle (1) and is rotatably connected with the top of the reaction kettle (1), and the inside of the top end of the vertical rotary pipe (22; the stirring structure (3) is connected to the vertical rotating pipe (22); the shock absorption supporting structure (4) is connected to the bottom of the reaction kettle (1).

2. The polymerization reactor according to claim 1, wherein the stirring structure (3) comprises a bearing (31), a vertical rotating shaft (32), stirring blades (33), spiral feeding blades (34), an inner gear ring (35) and a gear (36), the other end of the horizontal rotating pipe (24) is fixedly connected with the bearing (31), the bearing (31) is internally and rotatably connected with the vertical rotating shaft (32), the outer side wall of the vertical rotating shaft (32) is connected with the stirring blades (33), the outer side wall of the vertical rotating pipe (22) is connected with the spiral feeding blades (34), the inner gear ring (35) is positioned above the horizontal rotating pipe (24) and is connected with the inner side wall of the reactor (1), and the top end of the vertical rotating shaft (32) is connected with the gear (36) engaged with the inner gear ring (35).

3. The polymerization reactor of claim 2, wherein the gear (36) has a top surface that is coupled to a conical block.

4. The polymerization reactor as claimed in claim 1, wherein the shock-absorbing support structure (4) comprises a curved support rod (41), a cushion block (42), a sliding rod (43), a shock-absorbing spring (44), a groove (45) and a sliding groove (46), the outer side wall of the bottom end of the reactor (1) is connected with a plurality of curved support rods (41) which are annularly arranged, the center of the other end of each curved support rod (41) is provided with the groove (45), the inner embedding surface of each groove (45) is connected with the cushion block (42) through the shock-absorbing spring (44), the top surface of each cushion block (42) is connected with two symmetrically arranged sliding rods (43), and the bottom end surface of each curved support rod (41) is provided with the sliding groove (46) matched with the.

5. The polymerization reactor according to claim 1, wherein the nitrogen gas inlet pipe (25) is inserted into an outer side wall of a top end of the vertical rotary pipe (22) to connect the gasket.

6. Polymerization reactor according to claim 2, wherein the sealing plug (6) is connected to the outside of the reactor (1) by means of a pulling rope (5).