CN219232382U - Efficient isoprene rubber synthesis process device - Google Patents

Abstract

The utility model discloses a process device for efficiently synthesizing isoprene rubber, which comprises at least one polymerization reaction device, at least one glue solution condensing device and a temporary storage bin; the polymerization reaction device and the glue solution coagulation device are rotary reaction devices, the rotary reaction main body of the polymerization reaction device comprises a furnace body, an external heat-insulating layer, a stirring assembly and a polymerization furnace body rotary assembly, and the rotary reaction main body of the glue solution coagulation device comprises a coagulation furnace body, an external heat-insulating layer, a liquid outlet assembly and a coagulation furnace body rotary assembly. The integral rotary structure of the reaction device adopted by the utility model can improve the stirring efficiency, realize the full mixing of reactants in the polymerization reaction and glue solution condensation process, and further improve the synthesis efficiency and the production efficiency of isoprene rubber.

Description

Efficient isoprene rubber synthesis process device

Technical Field

The utility model relates to the technical field of atmospheric treatment, in particular to a process device for efficiently synthesizing isoprene rubber.

Background

Isoprene rubber is short for polyisoprene rubber, and has good elasticity, wear resistance, heat resistance and chemical stability. The quality uniformity, the processing performance and the like of the modified rubber are superior to those of natural rubber, and the modified rubber can be used for manufacturing heavy duty tires and off-road tires instead of the natural rubber and can also be used for producing various rubber products. Generally comprises the core steps of isoprene monomer refining, polymerization, glue solution condensation, post-treatment and the like in preparation, wherein

The polymerization reaction is to cool the polymer material and mix with initiator according to the technological requirement, then send the mixture into a polymerization device to carry out polymerization operation, and the polymerization temperature needs to be gradually increased in the polymerization process and the full and uniform mixing of various raw materials is ensured. Therefore, a stirring device is arranged in the polymerization kettle, at present, a stirring rod or a blade is driven by a motor to stir, the stirring efficiency is limited to a certain extent, and meanwhile, polymers are easy to deposit on the stirring device in the stirring process, so that the problems of blockage and subsequent equipment cleaning are caused

In the process of glue solution condensation, a hot water condensation method is mostly adopted in the industry at present, the glue solution and water are required to be fully stirred in the process, and the conventional mechanical stirring device also has the problems of low stirring efficiency, easy deposition of the coagulated isoprene rubber on the inner wall of equipment and a stirring structure and the like.

Disclosure of Invention

The utility model aims to provide a process device for efficiently synthesizing isoprene rubber, which solves the problems in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model provides a high-efficiency isoprene rubber synthesis process device, which comprises at least one polymerization reaction device, at least one glue solution condensation device and a temporary storage bin; the polymerization reaction device and the glue solution condensation device are both rotary reaction devices and comprise a base, a rotary upper seat and a rotary reaction main body, wherein the base and the rotary upper seat are of metal frame structures, the base is fixed on the ground, one side of the lower part of the rotary upper seat is hinged with the base, the other side of the lower part of the rotary upper seat is connected with the base through a detachable structure, and the rotary reaction main body is of a tubular structure with a hollow inside and is rotatably fixed on the rotary upper seat along the axis direction; the temporary storage bin is used for temporarily storing products of the polymerization reaction device.

Preferably, the rotary reaction main body of the polymerization reaction device comprises a furnace body, an external heat insulation layer, a stirring assembly and a polymerization furnace body rotary assembly; the stirring assembly comprises a stirring shaft and a plurality of groups of stirring blades. The stirring shaft is arranged at the axis of the furnace body, two ends of the stirring shaft extend out of the furnace body, and the stirring blades are arranged on the stirring shaft inside the furnace body.

Preferably, both ends of the stirring shaft are fixed on the rotary upper seat, or one end of the stirring shaft is rotatably fixed on the rotary upper seat, and the other end of the stirring shaft is connected to the rotary motor.

Preferably, the stirring blade comprises a stirring blade and a scraping plate, wherein the stirring blade is of a rod-shaped structure, one end of the stirring blade is fixed on a stirring shaft, and the stirring blade is arranged in the areas of a feed inlet and a discharge outlet; the scraper comprises a plurality of connecting rods and at least one scraper plate, wherein the bottoms of the connecting rods are vertically fixed on the stirring shaft, the tops of the connecting rods are fixed with one side of the scraper plate, and the other side of the scraper plate is fixed with the tops of one or more connecting rods; the gap between the outer side of the scraping plate and the inner wall of the furnace body is 1-2 cm; the stirring vane is still including ejection of compact doctor-bar, ejection of compact doctor-bar sets up in the discharge gate region, ejection of compact doctor-bar is including ejection of compact connecting rod, ejection of compact doctor-bar, ejection of compact connecting rod bottom vertical fixation is to the (mixing) shaft, the top with ejection of compact doctor-bar one side is fixed. The discharging scraping blade is a rectangular plate.

Preferably, at one side of the discharge hole, the furnace body is provided with an inclined side wall, the inclined side wall is an elliptic plate, and is obliquely fixed on the inner wall of the furnace body, and the inclined side wall is inclined towards the feed hole.

Preferably, the rotary reaction main body of the glue solution condensing device comprises a condensing furnace body, an external heat-insulating layer, a liquid outlet component and a condensing furnace body rotary component; one end of the condensing furnace body is provided with a condensing discharge port which can be opened and closed; the liquid outlet component comprises a liquid outlet main pipe, a plurality of liquid outlet branch pipes and a glue solution pump; the liquid outlet main pipe is arranged at the axis of the condensing furnace body, two ends of the liquid outlet main pipe extend out of the condensing furnace body, and the liquid outlet branch pipe is arranged on the liquid outlet main pipe in the condensing furnace body; the glue solution pump is used for pumping the product in the temporary storage bin to the main liquid outlet pipe, and the glue solution pump is connected with the main liquid outlet pipe through a flexible pipe.

Preferably, at one side of the condensation discharge hole, the condensation furnace body is provided with a condensation inclined side wall, the condensation inclined side wall is an elliptic plate, and is obliquely fixed on the inner wall of the condensation furnace body, and the top of the condensation inclined side wall far away from the condensation discharge hole in the height direction is inclined towards the other end of the condensation furnace body.

Preferably, the liquid outlet main pipe is a hollow pipe with one closed end, two ends of the liquid outlet main pipe are fixed on the rotary upper seat, the liquid outlet branch pipe is a hollow pipe, one end of the liquid outlet branch pipe is communicated with the liquid outlet main pipe, and a plurality of liquid outlet branch pipes are uniformly distributed on the liquid outlet main pipe.

Preferably, the height of the end part of the liquid outlet branch pipe far away from the liquid outlet main pipe is lower than the horizontal plane of the axis of the condensing furnace body.

Preferably, the axes of the two adjacent liquid outlet branch pipes far away from the end part of the liquid outlet main pipe are intersected in the condensation furnace body.

The whole rotary structure of the reaction device adopted by the utility model can improve the stirring efficiency and realize the full mixing of reactants in the polymerization reaction and glue solution condensation process; thereby improving the synthesis efficiency and production efficiency of the isoprene rubber. Through optimizing the shape of the stirring structure and adding the electric auxiliary heating device, the stirring efficiency is improved, and meanwhile, the deposition of products on the stirring device can be effectively reduced or avoided. On the glue solution condensing device, the complexity of equipment can be effectively reduced by optimizing the shape of the liquid outlet structure and using the liquid outlet structure as a stirring device.

The utility model will be described in detail with reference to the accompanying drawings, by which preferred embodiments will be specifically illustrated in the following detailed description, in order to make the conception and other objects, advantages, features and functions of the utility model more apparent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the technical scheme of the present utility model.

FIG. 2 is a schematic view of a polymerization apparatus according to an embodiment of the present utility model.

FIG. 3 is a schematic view of a portion of a polymerization apparatus according to another embodiment of the utility model.

Fig. 4 is a schematic view of a glue condensing apparatus according to an embodiment of the utility model.

Fig. 5 is a schematic view of a liquid outlet assembly of a glue condensing apparatus according to an embodiment of the utility model.

FIG. 6 is a schematic side view of a liquid outlet assembly of a glue condensing apparatus according to an embodiment of the utility model.

FIG. 7 is a schematic side view of a liquid outlet component of a glue condensing apparatus according to another embodiment of the utility model.

FIG. 8 is a schematic diagram of an electrically assisted thermal device according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in figure 1, the utility model relates to a process device for efficiently synthesizing isoprene rubber, which comprises at least one polymerization reaction device 1 and at least one glue solution coagulation device 2.

The process device also comprises a temporary storage bin 3, and the temporary storage bin 3 is used for temporarily storing products of the polymerization reaction device 1.

As shown in figures 1, 2 and 3, the polymerization reaction device 1 and the glue solution coagulation device 2 are rotary reaction devices, and the overall structures are similar, and each device comprises a base A, a rotary upper base B and a rotary reaction main body C.

The rotary upper seat B is characterized in that the base A and the rotary upper seat B are of metal frame structures, the base A is fixed on the ground, one side of the lower part of the rotary upper seat B is hinged with the base A, the other side of the lower part of the rotary upper seat B is connected through a detachable structure, and the side of the rotary upper seat B can be lifted up through external force under the opening state of the detachable structure, so that the rotary upper seat B and a rotary reaction main body C on the rotary upper seat B are in an inclined state, and the rotary upper seat B is convenient to discharge. The detachable structure is a common bolt or buckle structure.

The rotary reaction main body C is of a tubular structure with a hollow interior, is rotatably fixed on the rotary upper seat B along the axis direction, has a specific connection structure similar to a common rotary furnace of chemical equipment, and is generally matched with rotary shafts at two ends of the rotary reaction main body C through bearing seats arranged on the rotary upper seat B so as to realize rotatable connection.

The rotary reaction main body C of the polymerization reaction device 1 comprises a furnace body 11, an external heat preservation layer 12, a stirring assembly 13 and a polymerization furnace body rotary assembly 14.

The two ends of the furnace body 11 are respectively provided with a feed inlet 11a and a discharge outlet 11b which can be opened and closed.

The stirring assembly 13 comprises a stirring shaft 131 and a plurality of groups of stirring blades 132. The stirring shaft 131 is arranged at the axial position of the furnace body 11, two ends of the stirring shaft extend out of the furnace body 11, and the stirring blades 132 are arranged on the stirring shaft 131 inside the furnace body 11.

The two ends of the stirring shaft 131 are fixed on the rotary upper seat B, the stirring shaft does not rotate, and the furnace body rotates to drive raw materials to interact with the stirring blades 132 in the furnace body to realize stirring.

One end of the stirring shaft 131 is rotatably fixed on the rotary upper seat B, and the other end is connected to a rotating motor 133, so that the stirring shaft is driven by the motor to rotate in the opposite direction with the furnace body 11, and the stirring effect is further improved.

As shown in fig. 2 and 3, the stirring blade 132 includes a stirring blade J1 and a scraping blade J2, where the stirring blade J1 has a rod-shaped structure, and one end of the stirring blade is fixed to the stirring shaft 131 and is disposed in the regions of the feed inlet 11a and the discharge outlet 11b.

The scraper blade J2 comprises a plurality of connecting rods J21 and at least one scraper blade J22, wherein the bottom of the connecting rod J21 is vertically fixed on the stirring shaft 131, the top of the connecting rod is fixed with one side of the scraper blade J22, and the other side of the scraper blade J22 is fixed with the top of the other connecting rod or connecting rods J21.

The gap between the outer side of the scraping plate J22 and the inner wall of the furnace body 11 is 1cm to 2cm.

The scraping plate member J22 can be parallel to the axis of the furnace body 11 or can have a certain inclination angle with the axis of the furnace body 11.

Stirring vane 132 is still including ejection of compact doctor-bar J3, ejection of compact doctor-bar J3 sets up in the discharge gate 11b region, ejection of compact doctor-bar J3 is including ejection of compact connecting rod J31, ejection of compact doctor-bar J32, ejection of compact connecting rod J31 bottom vertical fixation is to on the (mixing) shaft 131, the top with ejection of compact doctor-bar J32 one side is fixed. The discharging scraping blade J22 is a rectangular plate, and a gap between the top and the inner wall of the furnace body 11 is 1-2 cm, so that the gap can be reduced, for example, 0.5-1 cm when the processing precision of the furnace body is higher.

Because furnace body 11 slope during the ejection of compact, in order to ensure the abundant of ejection of compact, in discharge gate 11b side, furnace body 11 is provided with slope lateral wall 11c for the furnace body lateral wall slope of discharge gate 11b one side. The inclined side wall 11c is an elliptic plate and is obliquely fixed on the inner wall of the furnace body 11, and the inclined side wall 11c is inclined towards the feed inlet.

As shown in fig. 1 and 4, the rotary reaction main body C of the glue solution condensing device comprises a condensing furnace body 21, an external heat insulation layer 22, a liquid outlet component 13 and a polymerization furnace body rotary component 14.

An openable and closable condensation discharge port 21b is arranged at one end of the condensation furnace body 2. On the side of the coagulation discharge port 21b, the coagulation furnace body 21 is provided with a coagulation inclined side wall 21c so that the furnace body side wall on the side of the coagulation discharge port 21b is inclined. The condensation inclined side wall 21c is an elliptic plate, is obliquely fixed on the inner wall of the condensation furnace body 21, and is inclined towards the other end of the condensation furnace body 2 at the top of the condensation inclined side wall 21c far away from the condensation discharge hole 21b in the height direction.

The liquid outlet assembly 23 comprises a liquid outlet main pipe 231, a plurality of liquid outlet branch pipes 232 and a glue solution pump 233. The liquid outlet main pipe 231 is arranged at the axis position of the condensing furnace body 21, two ends of the liquid outlet main pipe extend out of the condensing furnace body 21, and the liquid outlet branch pipe 232 is arranged on the liquid outlet main pipe 231 in the condensing furnace body 21.

The glue pump 233 is configured to pump the glue in the temporary storage bin 3 to the main liquid outlet pipe 231. The glue solution pump 233 is connected with the main liquid outlet pipe 231 through a flexible pipe R.

As shown in fig. 4, 5, 6 and 7, the main liquid outlet pipe 231 is a hollow pipe with one end closed, and two ends are fixed to the rotary upper base B, and do not rotate, and the furnace body rotates to drive the raw materials to interact with the liquid outlet branch pipe 232 in the furnace body so as to realize stirring.

The liquid outlet branch pipes 232 are hollow pipes, one end of each liquid outlet branch pipe is communicated with the liquid outlet main pipe 231, and a plurality of liquid outlet branch pipes 232 are uniformly distributed on the liquid outlet main pipe 231.

As shown in fig. 5, the outlet branch pipes 232 are distributed below the axis of the condensing furnace body 21, that is, the height of the other end of the outlet branch pipe 232 is below the horizontal plane where the axis of the condensing furnace body 21 is located.

As shown in fig. 6, the outlet branch pipe 232 may be a straight pipe or a special-shaped bent pipe.

As shown in fig. 7, in order to avoid that glue solution is directly sprayed onto the inner wall of the condensing furnace 21, the axes of the end parts of the two adjacent liquid outlet branch pipes 232 intersect in the condensing furnace 21, so that the sprayed glue solutions mutually collide.

As shown in fig. 8, reaction products are prevented from depositing on the stirring shaft 131, the stirring blade 132, the main liquid outlet pipe 231 and the branch liquid outlet pipe 232, and electric auxiliary heating devices, specifically heating wires R1, are arranged inside the stirring shaft 131, the stirring blade 132, the main liquid outlet pipe 231 and the branch liquid outlet pipe 232 and are connected to a power supply module R2 to realize electric auxiliary heating.

The polymerization furnace body rotating assembly 14 and the glue solution condensation furnace body rotating assembly 24 are similar to common rotating furnaces of chemical equipment, and generally comprise a motor and a speed reducer to drive the furnace body to rotate.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "fixed," "disposed," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (10)

1. The technological device for efficiently synthesizing isoprene rubber is characterized by comprising at least one polymerization reaction device, at least one glue solution condensing device and a temporary storage bin; the polymerization reaction device and the glue solution condensation device are both rotary reaction devices and comprise a base, a rotary upper seat and a rotary reaction main body, wherein the base and the rotary upper seat are of metal frame structures, the base is fixed on the ground, one side of the lower part of the rotary upper seat is hinged with the base, the other side of the lower part of the rotary upper seat is connected with the base through a detachable structure, and the rotary reaction main body is of a tubular structure with a hollow inside and is rotatably fixed on the rotary upper seat along the axis direction; the temporary storage bin is used for temporarily storing products of the polymerization reaction device.

2. The process device for efficiently synthesizing isoprene rubber according to claim 1, wherein the rotary reaction main body of the polymerization reaction device comprises a furnace body, an external heat insulation layer, a stirring assembly and a polymerization furnace body rotary assembly; the two ends of the furnace body are respectively provided with a feed inlet and a discharge outlet which can be opened and closed, and the stirring assembly comprises a stirring shaft and a plurality of groups of stirring blades; the stirring shaft is arranged at the axis of the furnace body, two ends of the stirring shaft extend out of the furnace body, and the stirring blades are arranged on the stirring shaft inside the furnace body.

3. The process unit for efficiently synthesizing isoprene rubber according to claim 2, wherein both ends of the stirring shaft are fixed on the rotary upper base, or one end of the stirring shaft is rotatably fixed on the rotary upper base, and the other end is connected to the rotary motor.

4. The process device for efficiently synthesizing isoprene rubber according to claim 2, wherein the stirring blade comprises a stirring blade and a scraping plate, wherein the stirring blade is of a rod-shaped structure, one end of the stirring blade is fixed on a stirring shaft and is arranged in the areas of a feed inlet and a discharge outlet; the scraper comprises a plurality of connecting rods and at least one scraper plate, wherein the bottoms of the connecting rods are vertically fixed on the stirring shaft, the tops of the connecting rods are fixed with one side of the scraper plate, and the other side of the scraper plate is fixed with the tops of one or more connecting rods; the gap between the outer side of the scraping plate and the inner wall of the furnace body is 1-2 cm; the stirring vane is still including ejection of compact doctor-bar, ejection of compact doctor-bar sets up in the discharge gate region, ejection of compact doctor-bar is including ejection of compact connecting rod, ejection of compact doctor-bar, ejection of compact connecting rod bottom vertical fixation is to the (mixing) shaft, the top with ejection of compact doctor-bar one side is fixed, ejection of compact doctor-bar is rectangular panel.

5. The efficient isoprene rubber synthesizing process device according to claim 2, wherein on one side of the discharge hole, the furnace body is provided with an inclined side wall, the inclined side wall is an elliptic plate, and is obliquely fixed on the inner wall of the furnace body, and the inclined side wall is inclined towards the feed hole.

6. The process device for efficiently synthesizing isoprene rubber according to claim 1, wherein the rotary reaction main body of the glue solution condensing device comprises a condensing furnace body, an external heat insulation layer, a liquid outlet component and a condensing furnace body rotary component; one end of the condensing furnace body is provided with a condensing discharge port which can be opened and closed; the liquid outlet component comprises a liquid outlet main pipe, a plurality of liquid outlet branch pipes and a glue solution pump; the liquid outlet main pipe is arranged at the axis of the condensing furnace body, two ends of the liquid outlet main pipe extend out of the condensing furnace body, and the liquid outlet branch pipe is arranged on the liquid outlet main pipe in the condensing furnace body; the glue solution pump is used for pumping the product in the temporary storage bin to the main liquid outlet pipe, and the glue solution pump is connected with the main liquid outlet pipe through a flexible pipe.

7. The efficient isoprene rubber synthesizing process device according to claim 6, wherein a condensation inclined side wall is arranged on one side of a condensation discharge hole, the condensation inclined side wall is an elliptical plate, the condensation inclined side wall is obliquely fixed on the inner wall of the condensation furnace body, and the top of the condensation inclined side wall far from the condensation discharge hole in the height direction is inclined towards the other end of the condensation furnace body.

8. The process device for efficiently synthesizing isoprene rubber according to claim 6, wherein the main liquid outlet pipe is a hollow pipe with one end closed, two ends of the main liquid outlet pipe are fixed on the rotary upper seat, one end of the branch liquid outlet pipe is communicated with the main liquid outlet pipe, and a plurality of branch liquid outlet pipes are uniformly distributed on the main liquid outlet pipe.

9. The process device for efficiently synthesizing isoprene rubber according to claim 8, wherein the height of the end part of the liquid outlet branch pipe far away from the liquid outlet main pipe is below the horizontal plane where the axis of the condensing furnace body is located.

10. The process device for efficiently synthesizing isoprene rubber according to claim 8, wherein the axes of two adjacent liquid outlet branch pipes far away from the end part of the liquid outlet main pipe are intersected in the condensation furnace body.

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