Dehydration device for phthalic anhydride processing

Abstract

The utility model provides a dehydration device for phthalic anhydride processing, which comprises a discharging structure, the discharging structure comprises a sealing shell, the sealing shell is arranged right below a dehydration structure, a sealing ring is arranged at the top of the sealing shell, the sealing ring is attached to the outer wall of the dehydration structure, the inner wall of the sealing shell is connected with a material receiving bin in a sliding mode, and the material receiving bin is connected with the dehydration structure in a sliding mode. And a second electric telescopic rod is arranged at the bottom of the receiving bin. The phthalic anhydride dehydration device is reasonable in design, after moisture in phthalic anhydride liquid in the dehydration structure is evaporated, a second electric telescopic rod pushes the material receiving bin to enter the interior of the containing shell from the interior of the sealing shell, a scraper ring cleans phthalic anhydride powder attached to the inner wall of the containing shell, and the phthalic anhydride powder is separated from the containing shell. And the phthalic anhydride powder enters the sealing shell, and the dehydrated phthalic anhydride powder is collected.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the phthalic anhydride processing field, specifically relates to a kind of dehydration device for phthalic anhydride processing. BACKGROUND

[0002] Phthalic anhydride is an organic compound, chemical formula is C8H4O3, is the cyclic anhydride formed in phthalic acid molecule dehydration, is white crystalline powder, insoluble in cold water, slightly soluble in hot water, diethyl ether, soluble in ethanol, pyridine, benzene, carbon disulfide etc., is important organic chemical raw material, is the important intermediate for preparing phthalate plasticizer, paint, saccharin, dye and organic compound;

[0003] Among them, benzene is oxidized into phenol, and then phthalic anhydride is obtained through the steps of oxidation, acidification and dehydration etc.

[0004] Dehydration device needs to be used when phthalic anhydride is dehydrated.

[0005] The inventor found the following defects in the specific embodiment operation process:

[0006] When phthalic anhydride is dehydrated, the water in phthalic anhydride evaporates, and phthalic anhydride powder stays on the inner wall and bottom of the dehydration device, and phthalic anhydride is firmly attached to the inside of the dehydration device shell, so that the phthalic anhydride powder attached to the inner wall of the dehydration device is not convenient to clean.

[0007] It should be noted that the above content belongs to the technical cognition of the inventor, and due to the vast and complex technical content in the field, the above content of the present application does not necessarily constitute the prior art. UTILITY MODEL CONTENT

[0008] 1. The technical problem to be solved by the utility model:

[0009] The utility model provides a dehydration device for phthalic anhydride processing to solve the technical problems existing in the above background technology.

[0010] 2. Technical scheme:

[0011] To achieve the above purpose, the technical scheme provided by the utility model is: a dehydration device for phthalic anhydride processing, comprising a dehydration structure, the bottom of the dehydration structure is provided with a discharge structure, and the top of the dehydration structure is provided with a mixing structure.

[0012] The discharge structure comprises a sealing shell which is arranged directly below the dewatering structure, the top of the sealing shell is provided with a sealing ring which is attached to the outer wall of the dewatering structure, the inner wall of the sealing shell is slidably connected with a material collecting bin, the bottom of the material collecting bin is provided with a second electric telescopic rod which is connected with the sealing shell, the top of the second electric telescopic rod is provided with a scraper ring, and the material collecting bin is threadedly connected with the second electric telescopic rod;

[0013] The phthalic anhydride liquid enters the inside of the dewatering structure for dewatering treatment, when the water in the phthalic anhydride is discharged, the second electric telescopic rod is started, the second electric telescopic rod pushes the material collecting bin to move upwards, the material collecting bin cleans the phthalic anhydride powder attached to the inside of the dewatering structure, so that the powder enters the inside of the material collecting bin for collection, and then the material collecting bin is taken out from the inside of the sealing shell.

[0014] Further, the dewatering structure comprises a placing shell, the inner wall of the placing shell is provided with a heating structure, and the two sides of the placing shell are provided with first electric telescopic rods which are connected with the sealing shell.

[0015] Further, the top of the placing shell is provided with water inlet pipes, the bottom of the water inlet pipe is provided with a water outlet groove, the bottom of the placing shell is provided with a supporting plate, and the number of the water inlet pipes is plural.

[0016] Further, the mixing structure comprises a servo motor, the servo motor is arranged at the top of the placing shell, the bottom of the servo motor is provided with a transmission shaft, the bottom of the transmission shaft is provided with connecting blocks, and the number of the connecting blocks is two.

[0017] Further, a spring telescopic rod is arranged between the two connecting blocks, the outer wall of the connecting block is rotatably connected with a pushing rod, the number of the pushing rod is plural, and the plural pushing rods are arranged in an annular array on the outer wall of the connecting block.

[0018] Further, the side of the pushing rod is rotatably connected with a horizontal rod, and the two sides of the horizontal rod are provided with stirring rods.

[0019] 3. Beneficial effects:

[0020] Compared with the prior art, the technical scheme has the following beneficial effects:

[0021] The utility model discloses a can lift the material collection bin is set up, when the moisture in the phthalic anhydride liquid inside the dehydration structure evaporates and completes, second electric telescopic link propelling material collection bin enters the inside of the placement shell from the inside of the sealing shell, and the scraper ring is cleaned to the phthalic anhydride powder attached to the inner wall of placement shell, and phthalic anhydride powder enters the inside of the sealing shell and is collected to the phthalic anhydride powder of dehydration. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is the three-dimensional sectional structure schematic diagram of the utility model;

[0024] Figure 3 It is the three-dimensional sectional structure schematic diagram of the utility model's discharge structure;

[0025] Figure 4 It is the three-dimensional structure schematic diagram of the utility model's mixing structure.

[0026] Reference Signs:

[0027] 1, dehydration structure;101, placement shell;102, first electric telescopic link;103, inlet pipe;104, water outlet groove;105, support plate;2, discharge structure;201, sealing shell;202, sealing ring;203, material collection bin;204, second electric telescopic link;205, scraper ring;3, mixing structure;301, servo motor;302, transmission shaft;303, connecting block;304, spring telescopic link;305, push rod;306, horizontal rod;307, stirring rod. DETAILED DESCRIPTION

[0028] In order to facilitate understanding the utility model, below will refer to relevant drawing and carry out more comprehensive description to the utility model, and the drawing has given several embodiments of the utility model, but, the utility model can realize in many different forms, and is not limited to the embodiment described in this paper, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0029] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment

[0032] Referring to the drawings Figures 1-4 A dehydration device for processing phthalic anhydride, comprising a dehydration structure 1, the bottom of the dehydration structure 1 is provided with a discharge structure 2, and the top of the dehydration structure 1 is provided with a mixing structure 3;

[0033] The discharge structure 2 comprises a sealing shell 201, the sealing shell 201 is arranged directly below the dehydration structure 1, the top of the sealing shell 201 is provided with a sealing ring 202, the sealing ring 202 is attached to the outer wall of the dehydration structure 1, the inner wall of the sealing shell 201 is slidably connected with a material collecting bin 203, the bottom of the material collecting bin 203 is provided with a second electric telescopic rod 204, the second electric telescopic rod 204 is connected with the sealing shell 201, the top of the second electric telescopic rod 204 is provided with a scraper ring 205, and the material collecting bin 203 is threadedly connected with the second electric telescopic rod 204;

[0034] The phenolic anhydride liquid enters the inside of the dehydration structure 1 for dehydration treatment, when the water in the phenolic anhydride is discharged, the second electric telescopic rod 204 is started, the second electric telescopic rod 204 pushes the material collecting bin 203 to move upwards, the material collecting bin 203 cleans the phenolic anhydride powder attached to the inside of the dehydration structure 1, so that the powder enters the inside of the material collecting bin 203 for collection, and then the material collecting bin 203 is taken out from the inside of the sealed shell 201.

[0035] Further, the dehydration structure 1 comprises a placing shell 101, the inner wall of the placing shell 101 is provided with a heating structure, both sides of the placing shell 101 are provided with first electric telescopic rods 102, the two first electric telescopic rods 102 are connected with the sealed shell 201, the top of the placing shell 101 is provided with water inlet pipes 103, the bottom of the water inlet pipe 103 is provided with a water outlet groove 104, the bottom of the placing shell 101 is provided with a support plate 105, the number of the water inlet pipes 103 is multiple, when the inside of the discharging structure 2 is collected with the phenolic anhydride after dehydration, the first electric telescopic rod 102 is started, the first electric telescopic rod 102 pushes the discharging structure 2 to separate from the directly below of the dehydration structure 1, so as to facilitate the subsequent taking out of the material collecting bin 203 from the inside of the sealed shell 201, facilitate the subsequent processing of the phenolic anhydride after dehydration, at the same time, the top of the placing shell 101 can also be provided with a vacuum pump for pumping out the air in the inside of the placing shell 101, so as to facilitate the heating, evaporation and dehydration treatment of the phenolic anhydride liquid in the inside of the placing shell 101 by the heating structure, the phenolic anhydride liquid enters the inside of the placing shell 101 through the water inlet pipe 103 and the water outlet groove 104 to realize the feeding of the phenolic anhydride liquid, the evaporated liquid is connected through the through hole at the top of the placing shell 101, the inside of the through hole is provided with a valve and connected with a pipeline, so as to facilitate the subsequent discharge of the evaporated liquid.

[0036] Further, the mixing structure 3 comprises a servo motor 301 arranged on the top of the placing shell 101, the bottom of the servo motor 301 is provided with a transmission shaft 302, the bottom of the transmission shaft 302 is provided with a connecting block 303, the number of the connecting block 303 is two, a spring telescopic rod 304 is arranged between the two connecting blocks 303, the outer wall of the connecting block 303 is rotatably connected with a push rod 305, the number of the push rod 305 is multiple, the multiple push rods 305 are arranged in an annular array on the outer wall of the connecting block 303, one side of the push rod 305 is rotatably connected with a horizontal rod 306, the two sides of the horizontal rod 306 are provided with stirring rods 307, when the phthalic anhydride liquid enters the inside of the placing shell 101, the servo motor 301 is started, the servo motor 301 drives the transmission shaft 302 to rotate, the transmission shaft 302 drives the connecting block 303 to rotate, the connecting block 303 drives the stirring rods 307 to stir the phthalic anhydride liquid in the placing shell 101 through the push rod 305 and the horizontal rod 306, at the same time, in the process that the sealing shell 201 moves upward, the connecting block 303 at the bottom pushes the spring telescopic rod 304 to be extruded, then the spring telescopic rod 304 drives the push rod 305 to rotate, the push rod 305 drives the horizontal rod 306 to move outward, the horizontal rod 306 drives the stirring rods 307 to expand, so as to avoid affecting the lifting of the material collecting bin 203.

[0037] The above-mentioned embodiments only express certain embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the present application; it should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application; therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A dehydration device for processing of phthalic anhydride, characterized by: Comprising dehydration structure (1), the bottom of the dehydration structure (1) is provided with a discharge structure (2), the top of the dehydration structure (1) is provided with a mixing structure (3); the discharge structure (2) comprises a sealed shell (201), the sealed shell (201) is arranged directly below the dehydration structure (1), the top of the sealed shell (201) is provided with a sealing ring (202), the sealing ring (202) is attached to the outer wall of the dehydration structure (1), the inner wall of the sealed shell (201) is slidably connected with a material collecting bin (203), the bottom of the material collecting bin (203) is provided with a second electric telescopic rod (204), the second electric telescopic rod (204) is connected with the sealed shell (201), the top of the second electric telescopic rod (204) is provided with a scraper ring (205), the material collecting bin (203) is threadedly connected with the second electric telescopic rod (204); the phthalic anhydride liquid enters the inside of the dehydration structure (1) for dehydration treatment, when the water in the phthalic anhydride is discharged, the second electric telescopic rod (204) is started, the second electric telescopic rod (204) pushes the material collecting bin (203) to move upwards, the material collecting bin (203) cleans the phthalic anhydride powder attached to the inside of the dehydration structure (1), so that the powder enters the inside of the material collecting bin (203) for collection, and then the material collecting bin (203) is taken out from the inside of the sealed shell (201).

2. The dehydration device for processing of phthalic anhydride according to claim 1, characterized in that: The dehydration structure (1) comprises a placing shell (101), the inner wall of the placing shell (101) is provided with a heating structure, the two sides of the placing shell (101) are provided with first electric telescopic rods (102), and the two first electric telescopic rods (102) are connected with the sealed shell (201).

3. The dewatering device for processing of phthalic anhydride according to claim 2, characterized in that: The top of the placing shell (101) is provided with a water inlet pipe (103), the bottom of the water inlet pipe (103) is provided with a water outlet groove (104), the bottom of the placing shell (101) is provided with a supporting plate (105), and the number of the water inlet pipes (103) is plural.

4. The dewatering device for processing of phthalic anhydride according to claim 1, characterized in that: The mixing structure (3) comprises a servo motor (301), the servo motor (301) is arranged at the top of the placing shell (101), the bottom of the servo motor (301) is provided with a transmission shaft (302), the bottom of the transmission shaft (302) is provided with a connecting block (303), and the number of the connecting blocks (303) is two.

5. The dewatering device for processing of phthalic anhydride according to claim 4, characterized in that: Spring telescopic rods (304) are arranged between the two connecting blocks (303), the outer wall of the connecting block (303) is rotatably connected with a push rod (305), the number of the push rods (305) is plural, and the plurality of push rods (305) are arranged in an annular array on the outer wall of the connecting block (303).

6. The dehydration device for processing of phthalic anhydride according to claim 5, characterized in that: One side of the push rod (305) is rotatably connected with a horizontal rod (306), and the two sides of the horizontal rod (306) are provided with stirring rods (307).

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