CN215693876U

CN215693876U - Semi-continuous reaction device of reaction kettle

Info

Publication number: CN215693876U
Application number: CN202121788269.2U
Authority: CN
Inventors: 曾浩航; 曾定; 王韵顺; 李勇
Original assignee: Qingtian Material Technology Co ltd
Current assignee: Qingtian Material Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-01
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a semi-continuous reaction device of a reaction kettle, which comprises a pre-polymerization system, a transfer device and a final polymerization system, wherein the pre-polymerization system comprises a pre-polymerization kettle, the final polymerization system comprises a final polymerization kettle, a transfer space and a transfer valve are arranged in the transfer device, the pre-polymerization kettle and the final polymerization kettle are respectively communicated to the transfer space, and the transfer valve is used for communicating or separating the transfer space and the final polymerization kettle. According to the utility model, the reaction materials are transferred into the final polymerization kettle to be quickly cooled, so that the production efficiency is improved, and the cooling time is shortened; and the prepolymerization reactor can be emptied more quickly to enter the next reaction, so that the production efficiency is further improved. The utility model relates to the technical field of reaction kettles in chemical production.

Description

Semi-continuous reaction device of reaction kettle

Technical Field

The utility model relates to a semi-continuous reaction device of a reaction kettle in the technical field of reaction kettles in chemical production.

Background

In the production process of polyester resin, in order to increase the production amount per unit time, a plurality of reaction kettles are often used for carrying out reaction simultaneously. However, in the case of the conventional process, the yield per unit time is actually increased, but the production efficiency of a single reaction kettle is not increased, the temperature of the material is reduced for a long time after the material is reacted in the reaction kettle, and the temperature of the reaction kettle is increased again when the material is unloaded to start the next reaction, which takes a lot of time. In addition, the color of the resin is changed due to long-time heat preservation, and the quality of the product is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve one of the technical problems in the prior art, and provides a semi-continuous reaction device of a reaction kettle, which can accelerate the cooling of materials and further improve the production efficiency.

According to an embodiment of the utility model, a reactor semi-continuous reaction device is provided, which comprises a pre-polymerization system, a transfer device and a final polymerization system, wherein the pre-polymerization system comprises a pre-polymerization reactor, the final polymerization system comprises a final polymerization reactor, a transfer space and a transfer valve are arranged in the transfer device, the pre-polymerization reactor and the final polymerization reactor are respectively communicated to the transfer space, and the transfer valve is used for communicating or separating the transfer space and the final polymerization reactor.

According to an embodiment of the present invention, further, the prepolymerization system further comprises a bottom valve disposed between the transfer space and the prepolymerization tank.

According to the embodiment of the utility model, further, the prepolymerization system further comprises an input pipe, two ends of the input pipe are respectively communicated with the kettle bottom valve and the transfer space, and the final polymerization system further comprises an output pipe, two ends of the output pipe are respectively communicated with the transfer valve and the final polymerization kettle.

According to the embodiment of the present invention, further, one end of the output pipe extends into the bottom of the finisher.

According to an embodiment of the present invention, the number of the prepolymerization system and the final polymerization system is at least two.

According to the embodiment of the utility model, further, the number of the transfer valves is consistent with that of the final polymerization systems, and the transfer valves are respectively arranged in one-to-one correspondence with the final polymerization kettles.

According to an embodiment of the present invention, further, the transfer valve is movably connected to the transfer space, and the transfer valve is used for communicating or separating the transfer space and any one of the finisher.

According to the embodiment of the utility model, further, stirring mechanisms are arranged in the prepolymerization reactor and the final polymerization reactor, each stirring mechanism comprises a stirrer and a stirring motor, and the stirrer is connected with an output shaft of the stirring motor.

According to the embodiment of the utility model, further, the stirring motor is electrically connected with the transfer valve, and the starting of the stirring motor and the opening of the transfer valve are mutually exclusive.

According to the embodiment of the utility model, a heat conducting oil pipe is further arranged in the stirrer.

The utility model has the beneficial effects that: according to the utility model, the reaction materials are transferred into the final polymerization kettle to be quickly cooled, so that the production efficiency is improved, and the cooling time is shortened; and the prepolymerization reactor can be emptied more quickly to enter the next reaction, so that the production efficiency is further improved.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a block diagram of an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, the reactor semi-continuous reaction apparatus in the embodiment of the present invention includes a prepolymerization system 1, a transfer device 2 and a final polymerization system 3, the prepolymerization system 1 includes a prepolymerization reactor 11, the final polymerization system 3 includes a final polymerization reactor 31, the transfer device 2 is a cavity, a transfer space 21 and a transfer valve 22 are disposed therein, the prepolymerization reactor 11 and the final polymerization reactor 31 are respectively communicated to the transfer space 21, and the transfer valve 22 is used for communicating or separating the transfer space 21 and the final polymerization reactor 31. When chemical production is carried out, materials are firstly reacted in the prepolymerization reactor 11, after the reaction is finished, the materials in the prepolymerization reactor 11 enter the transfer space 21 to wait for being transferred, and at the moment, the prepolymerization reactor 11 is emptied, and then the next reaction can be carried out, so that the utilization rate of the reaction kettle is improved; when the transfer valve 22 is opened, the material enters the final polymerization reactor 31 for cooling, and the final polymerization reactor 31 can also be preset to a lower temperature, so that the cooling of the material is accelerated.

Further, prepolymerization system 1 still includes cauldron bottom valve 12, and cauldron bottom valve 12 is connected and sets up between prepolymerization cauldron 11 and transfer space 21 with prepolymerization cauldron 11 for during the material that control prepolymerization cauldron 11 was 11 gets into transfer space 21, prevent that the material from not reacting and just leaving prepolymerization cauldron 11 completely and leading to the yields to descend.

Further, the pre-polymerization system 1 further comprises an input pipe 13, two ends of the input pipe 13 are respectively communicated with the kettle bottom valve 12 and the transfer space 21, the final polymerization system 3 further comprises an output pipe 32, two ends of the output pipe 32 are respectively communicated with the transfer valve 22 and the final polymerization kettle 31, so that the pre-polymerization system 1, the transfer device 2 and the final polymerization system 3 do not need to be arranged adjacently, and the applicability of the utility model is increased.

Further, one end of the output pipe 32 extends to the bottom of the finisher 31, so that the materials can be immediately mixed and take part in the reaction after entering the finisher 31, and the reaction rate is increased.

Further, the number of the prepolymerization system 1 and the final polymerization system 3 is at least two, and the number can be set according to the situation so as to meet the requirement of large-scale chemical production.

In some embodiments, the number of the transfer valves 22 is the same as the number of the final polymerization reactors 31, and the transfer valves 22 are respectively in one-to-one correspondence with the final polymerization reactors 31, and when the material needs to be transferred to a certain final polymerization reactor 31, the corresponding transfer valve 22 is opened, so that the material can be output to the designated final polymerization reactor 31.

In other embodiments, the transfer valve 22 is movable in the transfer space 21, and the transfer valve 22 is provided with a discharge port, so that when the transfer valve 22 moves and aligns the discharge port with the inlet of a certain finisher 31, the material in the transfer space 21 can be output to the finisher 31. Specifically, the finisher 31 is communicated with the bottom of the transfer space 21, the transfer valve 22 is disc-shaped and rotatably connected to the bottom of the transfer space 21, and the transfer valve 22 is provided with a discharge port, so that when the transfer valve 22 rotates and aligns the discharge port with the inlet of one finisher 31, the material in the transfer space 21 can enter the finisher 31. The transfer valve 22 can also control the output of the material in other manners, and the operation manner thereof is not described herein.

Further, the pre-polymerization reactor 11 and the final polymerization reactor 31 are both provided with a stirring mechanism 4, the stirring mechanism 4 comprises a stirrer 41 and a stirring motor 42, the stirrer 41 is connected with an output shaft of the stirring motor 42, the stirrer 41 is driven by the stirring motor 42 to stir, the reaction of materials is accelerated, the production efficiency is improved, and the labor burden of a user can be reduced.

Further, the stirring motor 42 is electrically connected with the transfer valve 22, and when the stirring motor 42 is turned on, the transfer valve 22 cannot open the inlet of the final polymerization reactor 31, so that the materials are prevented from being thrown by mistake, and the yield of the product is improved.

Furthermore, heat-conducting oil pipes are arranged in the prepolymerization reactor 11, the final polymerization reactor 31 and the stirrer 41, and hot oil can be guided to pass through the heat-conducting oil pipes, so that the temperature rise is accelerated, and the reaction rate is accelerated.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. A semi-continuous reaction device of a reaction kettle is characterized by comprising: the system comprises a prepolymerization system (1), a transfer device (2) and a final polymerization system (3), wherein the prepolymerization system (1) comprises a prepolymerization kettle (11), the final polymerization system (3) comprises a final polymerization kettle (31), a transfer space (21) and a transfer valve (22) are arranged in the transfer device (2), the prepolymerization kettle (11) and the final polymerization kettle (31) are respectively communicated to the transfer space (21), and the transfer valve (22) is used for communicating or separating the transfer space (21) and the final polymerization kettle (31).

2. The reactor semi-continuous reaction device of claim 1, wherein: the prepolymerization system (1) further comprises a bottom valve (12), wherein the bottom valve (12) is arranged between the transfer space (21) and the prepolymerization reactor (11).

3. The reactor semi-continuous reaction device of claim 2, wherein: the prepolymerization system (1) further comprises an input pipe (13), two ends of the input pipe (13) are respectively communicated with the kettle bottom valve (12) and the transfer space (21), the final polymerization system (3) further comprises an output pipe (32), and two ends of the output pipe (32) are respectively communicated with the transfer valve (22) and the final polymerization kettle (31).

4. The reactor semi-continuous reaction device of claim 3, wherein: one end of the output pipe (32) extends into the bottom of the final polymerization kettle (31).

5. The reactor semi-continuous reaction device of claim 1, wherein: the number of the prepolymerization system (1) and the final polymerization system (3) is at least two.

6. The reactor semi-continuous reaction device of claim 5, wherein: the number of the transfer valves (22) is consistent with that of the final polymerization systems (3), and the transfer valves (22) are respectively arranged in one-to-one correspondence with the final polymerization kettles (31).

7. The reactor semi-continuous reaction device of claim 5, wherein: the transfer valve (22) is movably connected to the transfer space (21), and the transfer valve (22) is used for communicating or separating the transfer space (21) and any final polymerization kettle (31).

8. The reactor semi-continuous reaction device as set forth in any one of claims 1 to 7, characterized in that: prepolymerization cauldron (11) with all be equipped with rabbling mechanism (4) in final polymerization cauldron (31), rabbling mechanism (4) include agitator (41) and agitator motor (42), agitator (41) with the output shaft of agitator motor (42).

9. The reactor semi-continuous reaction device of claim 8, wherein: the stirring motor (42) is electrically connected with the transfer valve (22), and the starting of the stirring motor (42) and the opening of the transfer valve (22) are mutually exclusive.

10. The reactor semi-continuous reaction device of claim 8, wherein: and a heat conduction oil pipe is arranged in the stirrer (41).