CN213050621U

CN213050621U - High-efficiency reactor for epoxy plasticizer

Info

Publication number: CN213050621U
Application number: CN202021898899.0U
Authority: CN
Inventors: 徐伟; 何永军
Original assignee: Meishan Pengshan Mingyu Dingsheng Building Materials Co ltd
Current assignee: Meishan Pengshan Mingyu Dingsheng Building Materials Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-27
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses an epoxy plasticizer high-efficiency reactor, which comprises a stirring component, a circulating component connected with the stirring component, and a dripping component arranged at the top of the stirring component; wherein the stirring assembly comprises a stirring container; the circulating assembly comprises a self-priming pump, and a liquid inlet pipe and a liquid outlet pipe which are connected to the self-priming pump; the liquid inlet pipe is connected with the bottom of the stirring container and communicated with the inside of the stirring container, and the liquid outlet pipe is connected with the top of the stirring container and communicated with the inside of the stirring container. The utility model has the advantages that the circulation component is arranged, so that the raw materials can circulate up and down in the stirring process, and the reaction rate is improved; through setting up the dropwise add subassembly, the area of contact of the raw materials of increase hydrogen peroxide solution and stirring in-process improves reaction effect and speed.

Description

High-efficiency reactor for epoxy plasticizer

Technical Field

The utility model relates to an epoxy plasticizer preparation technical field especially relates to an epoxy plasticizer high efficiency reactor.

Background

The epoxy plasticizer is a compound containing a ternary epoxy group, is mainly used for PVC, and not only has a plasticizing effect, but also can play a role of a stabilizer.

In the prior art, the mode of producing the epoxy plasticizer is to utilize a mechanical stirring device to stir raw materials in a reaction kettle, for example, the last step of producing the epoxy plasticizer is epoxidation reaction, and the method adopts a solvent-free method for sulfuric acid catalysis, namely, after acetylated intermediate products, formic acid and concentrated sulfuric acid are added according to a certain proportion, the raw materials are continuously stirred, and the reaction is carried out by gradually dripping hydrogen peroxide, but generally, the hydrogen peroxide and the raw materials are not sufficiently mixed and are not uniformly dispersed, so that the reaction effect in the reaction kettle is poor, and the reaction rate is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an epoxy plasticizer high-efficiency reactor, which comprises a stirring component, a circulating component connected with the stirring component, and a dripping component arranged at the top of the stirring component; wherein the stirring assembly comprises a stirring container; the circulating assembly comprises a self-priming pump, and a liquid inlet pipe and a liquid outlet pipe which are connected to the self-priming pump; the dropwise add subassembly includes the dropwise add pipe to and evenly set up a plurality of dropwise add hole on the dropwise add pipe, and connect and be in one overhead connecting pipe of dropwise add pipe.

Preferably, the stirring assembly further comprises a stirring piece and a bracket; the stirring piece is arranged in the stirring container, and the support is arranged at the bottom of the stirring container.

Preferably, the stent comprises a strut, and a reinforcement attached to the strut; the bottom of the pillar is also provided with a supporting piece.

Preferably, the dropping pipe is fixedly wound on the inner wall of the top of the stirring container; the end of the dropping pipe connected with the connecting pipe is higher than the end of the dropping pipe far away from the connecting pipe.

Preferably, the raw material of the dropwise adding pipe added into the stirring container through the dropwise adding hole is hydrogen peroxide.

Preferably, one end of the dripping pipe, which is far away from the connecting pipe, is also provided with a through hole.

Preferably, the liquid inlet pipe and the liquid outlet pipe are respectively connected with the bottom and the top of the stirring container and are communicated with the inside of the stirring container.

Through adopting above technical scheme, the utility model discloses mainly have following technological effect:

1. through setting up circulating device, take out the raw materials of stirred vessel bottom to stirred vessel's top and add stirred vessel again for the raw materials can circulate from top to bottom at the in-process of stirring, makes the raw materials intensive mixing in stirred vessel, improves reaction rate.

2. Through setting up the dropwise add subassembly of winding at the container top for hydrogen peroxide can be from a plurality of dropwise add downthehole droppings to stirred vessel, the area of contact of the raw materials of increase hydrogen peroxide and stirring in-process, make hydrogen peroxide can homodisperse in the raw materials, improve reaction effect and speed.

3. Through setting up the support and stablizing effectual support to stirred vessel, prevent that the reactor from taking place the displacement in process of production, improve the security in the process of production.

Drawings

FIG. 1 is a schematic structural diagram of a high-efficiency reactor for epoxy plasticizers according to the present invention;

FIG. 2 is a schematic view of an exploded structure of the efficient reactor for epoxy plasticizers of the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2;

fig. 4 is a schematic structural diagram of a support in an epoxy plasticizer high-efficiency reactor of the present invention.

Wherein the reference numerals have the following meanings:

1. a stirring assembly; 11. a stirred vessel; 12. a stirring member; 13. a support; 131. a pillar; 1311. a support member; 132. a reinforcement;

2. a circulation component; 21. a liquid inlet pipe; 22. a self-priming pump; 23. a liquid outlet pipe;

3. a dropping component; 31. a dropping pipe; 32. a dropping hole; 33. and (4) connecting the pipes.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1-4, the utility model provides an epoxy plasticizer high efficiency reactor, the reactor is in actual production, at the in-process of dropwise add raw materials, raw materials among the stirring reactor make the raw materials of difference in the reactor can the intensive mixing, improve stirring efficiency to improve reaction effect and reaction rate. The reactor comprises a stirring component 1, a circulating component 2 connected with the stirring component 1, and a dripping component 3 arranged at the top of the stirring component 1.

Further, the stirring assembly 1 comprises a stirring container 11, a stirring piece 12 and a support 13, wherein the stirring piece 12 is arranged in the stirring container 11, and the support 13 is arranged at the bottom of the stirring container 11. The stirring piece 12 is used for stirring the raw materials, so that the raw materials are fully mixed and uniformly dispersed in the stirring container 11; the support 13 is used for fixedly supporting the mixing container 11, and the arrangement of the support 13 is not limited herein, and preferably, in this embodiment, the support 13 includes support pillars 131 and reinforcing members 132 connected to the support pillars 131, wherein the number of the support pillars 131 is 3, and one reinforcing member 132 is connected between any two support pillars 131, that is, the 3 reinforcing members 132 are connected to form a triangle, which is known to have stability, and the triangular reinforcing member 132 makes the support pillars 131 support the mixing container 11 more stably.

Further, in this embodiment, a support 1311 is further disposed at the bottom of the pillar 131, and the support 1311 is used to increase a contact area between the pillar 131 and the support surface, so that the reactor is placed more stably and reliably, and the reactor is prevented from displacing in a process of producing an epoxy plasticizer.

The circulation assembly 2 comprises a liquid inlet pipe 21, a self-priming pump 22 and a liquid outlet pipe 23, wherein one end of the liquid inlet pipe 21 and one end of the liquid outlet pipe 23 are respectively connected to the self-priming pump 22; the self-priming pump 22 is fixedly mounted on a bracket (not shown in the figure); one end of the liquid inlet pipe 21, which is far away from the self-priming pump 22, is connected with the bottom of the stirring container 11 and is communicated with the inside of the stirring container; one end that self priming pump 22 was kept away from to drain pipe 23 with stirring vessel 11's top links to each other and inside intercommunication, promptly stirring subassembly 1 does with the concrete mode that circulation subassembly 2 is connected feed liquor pipe 21 links to each other and inside intercommunication with stirring vessel 11's bottom, drain pipe 23 links to each other and inside intercommunication with stirring vessel 11's top. In this embodiment, in the production process of epoxy plasticizer, operating personnel can utilize self priming pump 22 to take out the raw materials of stirred vessel 11 bottom to the top of reentrant stirred vessel 11 behind drain pipe 23 through feed liquor pipe 21 to realize the upper and lower circulation of the raw materials in stirred vessel 11, make the raw materials in stirred vessel 11 can the intensive mixing, the dispersion is even, promotes stirring efficiency. The driving method of the self-priming pump 22 is not limited, and in the present embodiment, the driving method of the self-priming pump is a centrifugal turbine type, and the centrifugal turbine type self-priming pump has a sufficient pressure to pump the raw material at the bottom of the stirring vessel 11 to the top of the stirring vessel 11, so that the raw material circulates in the stirring vessel 11 up and down.

Further, the dropping module 3 includes a dropping pipe 31, dropping holes 32 and a connecting pipe 33, wherein the dropping pipe 31 is provided with a plurality of dropping holes 32, one end of the dropping pipe 31 is connected with the connecting pipe 33 and is internally communicated, the dropping pipe 31 is disposed on the inner wall of the top of the stirring container 11, specifically, the dropping pipe 31 is fixedly wound on the inner wall of the top of the stirring container 11 and is disposed from high to low, that is, the end of the dropping pipe 31 connected with the connecting pipe 33 is higher than the end of the dropping pipe 31 away from the connecting pipe 33, and the manner of disposing the dropping pipe 31 on the stirring container 11 is not limited, and preferably, in this embodiment, the dropping pipe 31 is fixed in the stirring container 11 by a plurality of fixing members (not shown in the figure); the connecting pipe 33 is connected with other pipe fittings (not shown in the figure) and is used for guiding the raw materials to the dripping pipe 31; after the raw materials enter the dropping pipe 31, the raw materials can be dropped into the stirring container 11 through the dropping hole 32, and are mixed with the raw materials in the stirring container 11 and then stirred, so that the raw materials for producing the epoxy plasticizer can be fully mixed and uniformly dispersed in the stirring container 11. The kind of the raw material to be dropped from the dropping pipe 31 into the stirring vessel 11 is not limited, and it is preferable that the raw material to be dropped through the dropping pipe 31 is hydrogen peroxide in this embodiment.

Further, because a plurality of dropping holes 32 are uniformly formed in the dropping pipe 31, hydrogen peroxide can be dropped into the stirring container 11 through the plurality of dropping holes 32, the contact area between the hydrogen peroxide dropped from the dropping pipe 31 and the raw materials in the stirring container 11 is increased, and therefore the dispersibility of the hydrogen peroxide in the stirring container 11 is improved, the hydrogen peroxide can be fully dispersed in the raw materials in the stirring container 11, and the stirring efficiency is improved. In addition, a through hole (not shown) is formed at one end of the dropping pipe 31 far away from the connecting pipe 33, and the through hole is used for dropping redundant hydrogen peroxide in the dropping pipe 31 into the stirring container 11, so that accumulation of hydrogen peroxide in the dropping pipe 31 is prevented.

In this embodiment, the raw materials in the stirring container 11 are circulated up and down in the stirring process, so that the raw materials can be fully mixed and uniformly dispersed in the stirring container 11; through a plurality of dropwise add holes 32 with hydrogen peroxide dropwise add to stirred vessel 11 in, the area of contact of raw materials in increase hydrogen peroxide and stirred vessel 11 to improve stirring efficiency, improve reaction effect and reaction rate.

Finally, it should be noted that: the embodiment of the present invention is only disclosed as a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The efficient reactor for the epoxy plasticizer is characterized by comprising a stirring assembly (1), a circulating assembly (2) connected with the inside of the stirring assembly (1), and a dropping assembly (3) arranged at the top of the stirring assembly (1);

wherein the stirring assembly (1) comprises a stirring vessel (11); the circulation assembly (2) comprises a self-priming pump (22), and a liquid inlet pipe (21) and a liquid outlet pipe (23) which are connected to the self-priming pump (22); dropwise add subassembly (3) include dropwise add pipe (31) to and evenly set up a plurality of dropwise add hole (32) on dropwise add pipe (31), and connect and be in one connecting pipe (33) of serving of dropwise add pipe (31).

2. An epoxy plasticizer high efficiency reactor as claimed in claim 1 wherein said stirring assembly (1) further comprises a stirring member (12) and a bracket (13); the stirring piece (12) is arranged in the stirring container (11), and the support (13) is arranged at the bottom of the stirring container (11).

3. An epoxy-plasticizer high efficiency reactor as claimed in claim 2 wherein said frame (13) includes a support column (131) and a reinforcement member (132) attached to said support column (131);

the bottom of the pillar (131) is also provided with a support (1311).

4. The high efficiency reactor for epoxy plasticizers as claimed in claim 1, characterized in that the dropping pipe (31) is fixedly wound around the inner wall of the top of the stirring vessel (11); the end of the dripping pipe (31) connected with the connecting pipe (33) is higher than the end of the dripping pipe (31) far away from the connecting pipe (33).

5. The high-efficiency reactor for the epoxy plasticizers as claimed in claim 1 or 4, wherein the raw material dropped into the stirring container (11) through the dropping hole (32) by the dropping pipe (31) is hydrogen peroxide.

6. The high efficiency reactor for epoxy plasticizers as claimed in claim 1 or 4, wherein the end of the dropping pipe (31) away from the connecting pipe (33) is further opened with a through hole.

7. The high efficiency reactor for epoxy plasticizers as claimed in any of claims 1 to 4, characterized in that the inlet pipe (21) and the outlet pipe (23) are connected to and internally connected to the bottom and the top of the stirred vessel (11), respectively.