CN214210100U

CN214210100U - Pyromellitic acid production mixing arrangement

Info

Publication number: CN214210100U
Application number: CN202022647586.4U
Authority: CN
Inventors: 奚彩霞
Original assignee: Jiangsu Jia Run Electrical Equipment Co ltd
Current assignee: Jiangsu Jia Run Electrical Equipment Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-09-17
Anticipated expiration: 2030-11-16

Abstract

The utility model belongs to the technical field of the relevant equipment of pyromellitic acid production, especially, be a mixing arrangement is produced to pyromellitic acid, comprises a workbench, the top fixedly connected with support column of workstation, the board is placed to the top fixedly connected with of support column, the top fixedly connected with reation kettle who places the board, reation kettle's positive fixedly connected with glass, reation kettle's top fixedly connected with feed inlet, one side fixedly connected with motor of reation kettle, the output shaft of motor extends to in the reation kettle and fixedly connected with bull stick, the outer fixed surface of bull stick is connected with the bull stick. The utility model discloses a motor, bull stick, commentaries on classics board and round bar can play the effect of rotatory stirring leaf, can stir the pyromellitic acid in the reation kettle and prevent that it from deposiing, change the board and can cut the better of pyromellitic acid with the stirring leaf when stirring the pyromellitic acid, reach the effect of intensive mixing, improve the product percent of pass to reduce cost.

Description

Pyromellitic acid production mixing arrangement

Technical Field

The utility model relates to a relevant equipment technical field of pyromellitic acid production specifically is a pyromellitic acid production mixing arrangement.

Background

Pyromellitic acid is an important intermediate and can be prepared by hydrolyzing pyromellitic dianhydride, and the pyromellitic acid is prepared from crude anhydride, water and activated carbon according to the weight ratio of 1: 4-6: 0.05-0.08 weight ratio, placing into a reaction kettle, hydrolyzing and decolorizing, heating to 85-95 ℃, stirring for one hour, carrying out hot filtration, placing the filtrate into a cooling tank, crystallizing, adding the filter cake into coal, burning off, cooling the filtrate to room temperature, centrifuging and spin-drying to obtain pyromellitic acid with the water content of 15-30%, and drying to obtain the pyromellitic acid.

At present, the mixing device for producing pyromellitic acid on the market has the following problems:

1. when the materials are stirred in the reaction kettle, the stirring effect is not very thorough, the materials cannot be fully dissolved together and can be precipitated at the bottom of the reaction kettle, and resources are wasted;

2. peculiar smell gas is generated during stirring, and the air is polluted when the peculiar smell gas is not treated in time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pyromellitic acid production mixing arrangement has solved current pyromellitic acid mixing arrangement and can not the intensive mixing, can not produce the problem of peculiar smell gas treatment to the stirring in-process.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pyromellitic acid production mixing arrangement, comprises a workbench, the top fixedly connected with support column of workstation, the board is placed to the top fixedly connected with of support column, the top fixedly connected with reation kettle of placing the board, reation kettle's positive fixedly connected with glass, reation kettle's top fixedly connected with feed inlet, one side fixedly connected with motor of reation kettle, the output shaft of motor extends to in the reation kettle and fixedly connected with bull stick, the outer fixed surface of bull stick is connected with the commentaries on classics board, the fixed surface of commentaries on classics board is connected with the round bar, the fixed surface of round bar is connected with the stirring leaf.

As an optimal technical scheme of the utility model, reation kettle's back fixedly connected with suction fan, the back intercommunication and the inherent pipe of suction fan, the back fixedly connected with rose box of workstation, one side intercommunication of rose box is fixed with the outlet duct, the bottom and the rose box of pipe are linked together and are fixed.

As a preferred technical scheme of the utility model, the top fixedly connected with heater of workstation, the round hole has been seted up at the top of placing the board, heater and reation kettle's bottom swing joint, the bottom fixedly connected with collecting pipe of placing the board, the fixed surface of collecting pipe is connected with the valve, the top of collecting pipe is run through and is placed the board and be linked together with reation kettle.

As an optimized technical scheme of the utility model, the top fixedly connected with collecting pit of workstation, the collecting pit is located the collecting pipe under.

As an optimized technical scheme of the utility model, the rose box intussuseption is filled with the active carbon.

As an optimized technical scheme of the utility model, the equal fixedly connected with supporting leg in bottom four corners of workstation.

(III) advantageous effects

Compared with the prior art, the utility model provides a pyromellitic acid production mixing arrangement possesses following beneficial effect:

1. this pyromellitic acid production mixing arrangement can play the effect of rotatory stirring leaf through motor, bull stick, commentaries on classics board and round bar, can stir the pyromellitic acid in the reation kettle and prevent its sediment, changes board and stirring leaf and can cut the better of pyromellitic acid when stirring pyromellitic acid, reaches the effect of intensive mixing, improves the product percent of pass to reduce cost.

2. This pyromellitic acid production mixing arrangement can collect and filter the peculiar smell gas that makes produced stirring pyromellitic acid through suction fan, pipe, rose box and active carbon, can have the peculiar smell gas that prevents that plays to cause harm to workman's skin to air pollution has been reduced.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a rear view of the structure of the present invention;

FIG. 3 is a bottom view of the placement board structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the reaction kettle of the present invention;

FIG. 5 is a schematic view of the structure of the rotary plate of the present invention;

fig. 6 is a schematic view of the cross-sectional structure of the filtering box of the present invention.

In the figure: 1. a work table; 2. supporting legs; 3. a heater; 4. a support pillar; 5. a motor; 6. a feed inlet; 7. a reaction kettle; 8. glass; 9. a collection tank; 10. placing the plate; 11. a suction fan; 12. a tube; 13. a filter box; 14. an air outlet pipe; 15. a valve; 16. a collection pipe; 17. a rotating rod; 18. rotating the plate; 19. a round bar; 20. stirring blades; 21. activated carbon.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a pyromellitic acid production mixing arrangement, comprises a workbench 1, the top fixedly connected with support column 4 of workstation 1, board 10 is placed to the top fixedly connected with of support column 4, place the top fixedly connected with reation kettle 7 of board 10, reation kettle 7's positive fixedly connected with glass 8, reation kettle 7's top fixedly connected with feed inlet 6, one side fixedly connected with motor 5 of reation kettle 7, motor 5's output shaft extends to in reation kettle 7 and fixedly connected with bull stick 17, the outer fixed surface of bull stick 17 is connected with commentaries on classics board 18, the fixed surface of commentaries on classics board 18 is connected with round bar 19, the fixed surface of round bar 19 is connected with stirring leaf 20.

In this embodiment, be provided with three feedstock channel in the feed inlet 6, conveniently add crude anhydride, water and active carbon 21 respectively, the uncoordinated condition of proportion can not appear, can effectually prevent the substandard condition of pyromellitic acid.

Specifically, a suction fan 11 is fixedly connected to the back of the reaction kettle 7, a pipe 12 is fixedly connected to the back of the suction fan 11, a filter box 13 is fixedly connected to the back of the workbench 1, an air outlet pipe 14 is fixedly connected to one side of the filter box 13, and the bottom end of the pipe 12 is fixedly connected to the filter box 13.

In this embodiment, the arrangement of the suction fan 11 and the filter box 13 can collect and filter the odor gas generated during the pyromellitic acid reaction.

Specifically, top fixedly connected with heater 3 of workstation 1 places the top of board 10 and has seted up the round hole, and heater 3 and reation kettle 7's bottom swing joint place the bottom fixedly connected with collecting pipe 16 of board 10, and the fixed surface of collecting pipe 16 is connected with valve 15, and the top of collecting pipe 16 runs through places board 10 and is linked together with reation kettle 7.

In this embodiment, the heater 3 can control the temperature required by pyromellitic acid during the reaction, so that the reaction is more sufficient.

Specifically, the top of the workbench 1 is fixedly connected with a collecting tank 9, and the collecting tank 9 is positioned right below the collecting pipe 16.

In this embodiment, the collecting tank 9 is disposed right below the collecting pipe 16, so that pyromellitic acid which is stirred well can be collected, cooled and crystallized.

Specifically, the filter tank 13 is filled with activated carbon 21.

In this embodiment, the activated carbon 21 can adsorb the odor gas to prevent air pollution.

Specifically, the four corners of the bottom of the workbench 1 are fixedly connected with supporting legs 2.

In this embodiment, the support legs 2 can stabilize the workbench 1.

The utility model discloses a theory of operation and use flow: firstly, crude anhydride, water and active carbon 21 are put into a reaction kettle 7 according to a certain proportion through a feeding port 6 for hydrolysis and decoloration, then the heater 3 is started, the heater 3 heats the bottom of the reaction kettle 7, then the motor 5 is started, the motor 5 drives the rotating rod 17 to rotate, the rotating rod 17 drives the rotating plate 18 to rotate, the rotating plate 18 drives the round rod 19 to rotate, the round rod 19 drives the stirring blade 20 to rotate to cut the pyromellitic acid to be fully dissolved together, so that the stirring is thorough, at the moment, the suction fan 11 is started to suck the peculiar smell gas in the reaction kettle 7 into the filter box 13 through the pipe 12, the peculiar smell gas is exhausted through the air outlet pipe 14 after being adsorbed and filtered by the active carbon 21 in the filter box 13, thus reducing the pollution to the air, when the stirring is finished, the valve 15 is opened, and the pyromellitic acid flows into the collecting tank 9 through the collecting pipe 16 to wait for cooling and crystallization.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pyromellitic acid production mixing arrangement, includes workstation (1), its characterized in that: top fixedly connected with support column (4) of workstation (1), board (10) are placed to the top fixedly connected with of support column (4), place top fixedly connected with reation kettle (7) of board (10), the positive fixedly connected with glass (8) of reation kettle (7), the top fixedly connected with feed inlet (6) of reation kettle (7), one side fixedly connected with motor (5) of reation kettle (7), the output shaft of motor (5) extends to in reation kettle (7) and fixedly connected with bull stick (17), the external fixed surface of bull stick (17) is connected with commentaries on classics board (18), the fixed surface of commentaries on classics board (18) is connected with round bar (19), the fixed surface of round bar (19) is connected with stirring leaf (20).

2. The pyromellitic acid production mixing device according to claim 1, characterized in that: the back fixedly connected with suction fan (11) of reation kettle (7), the back intercommunication and inherent pipe (12) of suction fan (11), the back fixedly connected with rose box (13) of workstation (1), one side intercommunication and the fixed outlet duct (14) of rose box (13), the bottom and rose box (13) of pipe (12) are linked together and are fixed.

3. The pyromellitic acid production mixing device according to claim 1, characterized in that: the top fixedly connected with heater (3) of workstation (1), the round hole has been seted up at the top of placing board (10), heater (3) and reation kettle (7) bottom swing joint, the bottom fixedly connected with collecting pipe (16) of placing board (10), the fixed surface of collecting pipe (16) is connected with valve (15), the top of collecting pipe (16) is run through and is placed board (10) and be linked together with reation kettle (7).

4. The pyromellitic acid production mixing device according to claim 3, characterized in that: the top of the workbench (1) is fixedly connected with a collecting tank (9), and the collecting tank (9) is located under the collecting pipe (16).

5. The pyromellitic acid production mixing device according to claim 2, characterized in that: and the filter box (13) is filled with active carbon (21).

6. The pyromellitic acid production mixing device according to claim 1, characterized in that: the four corners of the bottom of the workbench (1) are fixedly connected with supporting legs (2).