CN217527056U

CN217527056U - Durene anhydride preparation is with changing glassware

Info

Publication number: CN217527056U
Application number: CN202221320899.1U
Authority: CN
Inventors: 陈学政; 王义明; 王际友; 张建东; 雷志伟; 白松波; 陈理泽; 杨建超; 王育彦
Original assignee: Puyang Hengfeng Electronic Insulation Material Co ltd
Current assignee: Puyang Hengfeng Electronic Insulation Material Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-04
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a glassware is used in preparation of pyromellitic dianhydride, the load simulator comprises a case, the fixed a plurality of bases that are provided with in bottom of machine case, the top intercommunication of machine case is provided with the inlet pipe, be provided with the fixed station in the machine case, the fixed a plurality of square clutch blocks that are provided with of lateral wall of fixed station, the fixed station is connected with mixed structure, mixed structure is including setting up the inlet at the top of fixed station, the fixed station adopts under the narrow wide trapezoidal round platform structure, it is equipped with the spiral pipe to inlay in the fixed station, the spiral pipe spirals along vertical direction and sets up, the top and the inlet intercommunication of spiral pipe. The utility model discloses a trapezoidal round platform structure that sets up and the feed liquor pipe of tangent line setting realize that the solvent carries out the internal tangent line circulation at quick-witted incasement, form the water conservancy stirring in the solution groove and set up the spiral pipe in the fixed station for the solvent after mixing and solute are at the further misce bene of spiral decline in-process.

Description

Material melting device for preparation of pyromellitic anhydride

Technical Field

The utility model relates to a chemical production technical field especially relates to a pyromellitic dianhydride preparation is with changing glassware.

Background

Pyromellitic anhydride is a chemical raw material, is an important intermediate, can be prepared by hydrolyzing pyromellitic dianhydride, is used for synthesizing polyimide, octyl pyromellitate and the like, and is a main raw material for producing the extinction curing agent.

Need carry out the raw materials and change material work to pyromellitic dianhydride preparation among the prior art, wherein need use and change the glassware, however when in-service use, when solvent and solute mix each other, change the unable misce bene that realizes the raw materials of glassware, consequently make product quality descend, based on this, the utility model relates to a pyromellitic dianhydride preparation is with changing glassware.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a material melting device for preparing pyromellitic dianhydride.

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

the utility model provides a glassware is used in preparation of pyromellitic anhydride, includes quick-witted case, the fixed a plurality of bases that are provided with in bottom of machine case, the top intercommunication of machine case is provided with the inlet pipe, be provided with the fixed station in the machine case, the fixed a plurality of square clutch blocks that are provided with of lateral wall of fixed station, the fixed station is connected with mixed structure.

Preferably, mixed structure is including setting up the inlet at the top of fixed station, the fixed station adopts narrow trapezoidal round platform structure wide down, it is equipped with the spiral pipe to inlay in the fixed station, the spiral pipe sets up along vertical direction spiral, the top and the inlet intercommunication of spiral pipe, the bottom of spiral pipe is connected with the drain pipe, the sealed check valve that is provided with of junction of inlet and fixed station.

Preferably, the bottom side wall of the case is provided with a liquid inlet pipe in a communicated manner, and the liquid inlet pipe enters the case along the tangential direction of the inner wall of the case.

Preferably, a rotating cylinder is fixedly arranged at the bottom of the spiral pipe, the bottom of the rotating cylinder is rotatably connected with the inner bottom wall of the case and is coaxial with the case, the outer side wall of the rotating cylinder is rotatably connected with a connecting ring, and the bottom of the connecting ring is fixedly connected with the inner bottom wall of the case.

Preferably, an annular cavity is formed in the connecting ring, the bottom of the cavity is communicated with the liquid outlet pipe, and a communicating port communicated with the cavity is formed in the side wall of the rotating cylinder.

Preferably, a motor is fixedly arranged on an axis portion of the rotary drum, an output shaft of the motor hermetically penetrates through a bottom wall of the case and is fixedly connected with an inner top wall of the rotary drum, and a blade is fixedly arranged on a portion, located in the rotary drum, of the output shaft of the motor.

In the utility model, compared with the prior art, the advantage lies in

1. The liquid inlet pipe that trapezoidal round platform structure and tangent line through setting up set up realize that the solvent carries out internal tangent line circulation at quick-witted incasement, form the hydraulic stirring in the solvent groove to changing the in-process, because the quick-witted case width of downside is less than the quick-witted case width of upside, consequently the solvent can produce great whirl effect when initial entering, can improve mixed effect like this.

2. Through set up the spiral pipe in the fixed station for when solvent and solute liquid level rose to the top of fixed station, discharge through the spiral pipe, make the work of further carrying out the homogeneous mixing at the spiral in-process that descends of solvent and solute after the mixture like this.

Drawings

FIG. 1 is a schematic structural view of a material melting device for preparing pyromellitic dianhydride according to the present invention;

FIG. 2 is an enlarged schematic view of part A of the melting device for preparing pyromellitic dianhydride according to the present invention.

In the figure: the device comprises a case 1, a base 2, a feeding pipe 3, a fixing table 4, a friction block 5, a liquid inlet 6, a liquid inlet pipe 7, a liquid outlet pipe 8, a spiral pipe 9, a rotating cylinder 10, a connecting ring 11, a cavity 12, a communication port 13, a motor 14 and blades 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

Referring to fig. 1-2, a material melting device for preparing pyromellitic anhydride comprises a case 1, wherein a plurality of bases 2 are fixedly arranged at the bottom of the case 1, a feeding pipe 3 is communicated with the top of the case 1, a fixing table 4 is arranged in the case 1, a plurality of square friction blocks 5 are fixedly arranged on the outer side wall of the fixing table 4, and the fixing table 4 is connected with a mixing structure.

The mixed structure is including setting up the inlet 6 at the top of fixed station 4, fixed station 4 adopts the trapezoidal round platform structure of narrow width down, it is equipped with spiral pipe 9 to inlay in fixed station 4, spiral pipe 9 spirals along vertical direction and sets up, the top and the inlet 6 intercommunication of spiral pipe 9, the bottom of spiral pipe 9 is connected with drain pipe 8, inlet 6 is provided with the check valve with the sealed junction of fixed station, the bottom side wall intercommunication of machine case 1 is provided with feed liquor pipe 7, feed liquor pipe 7 gets into quick-witted case 1 along the inner wall tangential direction of quick-witted case 1 in, feed liquor pipe 7 imports the solvent to quick-witted case 1 along tangential direction like this, make the solvent along the inner wall tangential cyclic motion of quick-witted case 1, can make solute and the solvent misce who gets into in quick-witted case 1 through inlet pipe 3 like this and feed liquor pipe 7 gets into quick-witted case 1.

The bottom of the spiral pipe 9 is fixedly provided with a rotating cylinder 10, the bottom of the rotating cylinder 10 is rotatably connected with the inner bottom wall of the case 1 and is coaxially arranged with the case 1, the outer side wall of the rotating cylinder 10 is rotatably connected with a connecting ring 11, the bottom of the connecting ring 11 is fixedly connected with the inner bottom wall of the case 1, an annular cavity 12 is formed in the connecting ring 11, the bottom of the cavity 12 is communicated with the liquid outlet pipe 8, the rotating cylinder 10 is communicated with the cavity 12, thus, raw material liquid in the rotating cylinder 10 can still enter the cavity 12 and is discharged into the liquid outlet pipe 8 when the rotating cylinder 10 rotates, a communicating port 13 communicated with the cavity 12 is formed in the side wall of the rotating cylinder 10, mixed liquid is discharged into the liquid outlet pipe 8 through the communicating port 13 formed in the rotating cylinder 10, a motor 14 is fixedly arranged on the axial line portion of the rotating cylinder 10, an output shaft of the motor 14 penetrates through the bottom wall of the case 1 in a sealing manner and is fixedly connected with the inner top wall of the rotating cylinder 10, and a portion, of the output shaft of the motor 14, which is located in the rotating cylinder 10, is fixedly provided with blades 15.

The utility model discloses when using, import the solute through feed inlet 3, feed inlet 3 is located the upside of quick-witted case 1, and let in the solvent through feed liquor pipe 7, and inlet pipe 7 sets up to the tangential direction along quick-witted case 1, the solvent that gets into in quick-witted case 1 like this will circulate and rotate, make with the solute that gets into in feed inlet 3 mix, and the liquid level risees gradually this moment, because fixed station 4 is the trapezoidal round platform structure of width under the narrow, consequently the rotational speed of liquid can descend gradually in the liquid rising process, make liquid when getting into quick-witted case 1 upside, the rotational speed reduces to even state gradually, then when the liquid level is higher than 6 tops of fixed station, will get into spiral pipe 9 through inlet 6, make the mixed solution remove along the helix, better realization is mixed the effect like this;

spiral pipe 9 bottom is connected with and rotates a section of thick bamboo 10, and rotates a section of thick bamboo 10 and realize rotating through being connected with motor 14, will drive spiral pipe 9 like this and rotate for better when mixed liquid gets into spiral pipe 9 mixes, and avoid the problem of jam, then mix the liquid entering and rotate a section of thick bamboo 10, and realize further stirring effect under the stirring of blade 15, the raw materials liquid through 8 outputs of drain pipe like this will fully realize mixing effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pyromellitic anhydride preparation is with changing glassware, includes quick-witted case (1), its characterized in that, the fixed a plurality of bases (2) that are provided with in bottom of quick-witted case (1), the top intercommunication of quick-witted case (1) is provided with inlet pipe (3), be provided with fixed station (4) in quick-witted case (1), the fixed a plurality of square clutch blocks (5) that are provided with of lateral wall of fixed station (4), fixed station (4) are connected with mixed structure.

2. The melting device for preparing pyromellitic dianhydride according to claim 1, wherein the mixing structure comprises a liquid inlet (6) arranged at the top of a fixed table (4), the fixed table (4) adopts a trapezoidal round table structure with a narrow top and a wide bottom, a spiral tube (9) is embedded in the fixed table (4), the spiral tube (9) is spirally arranged along a vertical direction, the top of the spiral tube (9) is communicated with the liquid inlet (6), the bottom of the spiral tube (9) is connected with a liquid outlet pipe (8), and a one-way valve is arranged at the joint of the liquid inlet (6) and the fixed table in a sealing manner.

3. The melting device for preparing pyromellitic dianhydride according to claim 2, wherein a liquid inlet pipe (7) is arranged on the bottom side wall of the case (1) in a communicating manner, and the liquid inlet pipe (7) enters the case (1) along the tangential direction of the inner wall of the case (1).

4. The melting device for pyromellitic dianhydride according to claim 3, wherein a rotating cylinder (10) is fixedly arranged at the bottom of the spiral tube (9), the bottom of the rotating cylinder (10) is rotatably connected with the inner bottom wall of the case (1) and is coaxially arranged with the case (1), the outer side wall of the rotating cylinder (10) is rotatably connected with a connecting ring (11), and the bottom of the connecting ring (11) is fixedly connected with the inner bottom wall of the case (1).

5. The melting device for preparing pyromellitic dianhydride according to claim 4, wherein an annular cavity (12) is formed in the connecting ring (11), the bottom of the cavity (12) is communicated with the liquid outlet pipe (8), and a communication port (13) communicated with the cavity (12) is formed in the side wall of the rotating cylinder (10).

6. The melting device for preparing pyromellitic dianhydride according to claim 5, wherein a motor (14) is fixedly arranged on the axial portion of the rotating cylinder (10), the output shaft of the motor (14) hermetically penetrates through the bottom wall of the case (1) and is fixedly connected with the inner top wall of the rotating cylinder (10), and a blade (15) is fixedly arranged on the portion, located in the rotating cylinder (10), of the output shaft of the motor (14).