Drying device for pyromellitic dianhydride processing
By designing a drying device of multiple sets of drying mechanisms, uniform drying of phenylatic dianhydride is achieved by using the transmission rod and electric heating pipe, the problem of uneven drying in the prior art is solved, and the drying efficiency and uniformity are improved. sex.
Patent Information
- Application Number
- CN202421190670.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-27
AI Technical Summary
In the prior art, the drying degree of phenylatic acid dianhydride is uneven when drying, resulting in subsequent deterioration.
A drying device including multiple sets of drying mechanisms is designed, and the drying frame is driven by a transmission rod to rotate, and uniform drying is achieved using an electric heating tube and a guide plate.
The drying efficiency of phenylatic acid dianhydride during drying and the drying uniformity after drying are improved, reducing the risk of deterioration.
Smart Images
Figure CN222438392U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pyromellitic anhydride processing, in particular to a drying device for pyromellitic anhydride processing. Background Art
[0002] Pyromellitic anhydride is an important chemical raw material, commonly used in the production of high-performance materials such as polyimide resins, coatings, and electronic materials. Drying pyromellitic anhydride is usually to remove the moisture inside it to ensure its purity and the quality of subsequent reactions.
[0003] In the prior art, pyromellitic anhydride is generally dried in an oven or with hot air, so that pyromellitic anhydride can be dried in a drying oven, thereby making it convenient and fast to dry.
[0004] However, this method does not dry the pyromellitic anhydride uniformly during drying, and the pyromellitic anhydride is prone to deterioration after subsequent stacking and collection. Therefore, the utility model provides a drying device for processing pyromellitic acid, thereby improving the drying efficiency of pyromellitic anhydride during drying and the drying uniformity after drying. Utility Model Content
[0005] In view of this, the utility model provides a drying device for processing pyromellitic dianhydride, which can improve the drying efficiency of pyromellitic dianhydride during drying and the drying uniformity after drying by setting up multiple groups of drying mechanisms.
[0006] In order to solve the above technical problems, the utility model provides a drying device for processing pyromellitic dianhydride, including a drying cylinder, a transmission rod is rotatably connected at the internal axis of the drying cylinder, the transmission rod is rotatably connected to the internal axis of the drying cylinder through bearings sleeved at both ends, and multiple groups of drying mechanisms are arranged on the outer wall of the transmission rod, each group of drying mechanisms includes a drying frame arranged on the outer wall of the transmission rod, the drying frame is connected to the outer wall of the transmission rod through ball bearings, fixed blocks are arranged on the outer walls of both sides of the drying frame, the fixed blocks are welded to the outer walls of both sides of the drying frame, the drying frame is fixedly connected to the inner wall of the drying cylinder through the fixed blocks, a mounting block is arranged on the outer wall of the transmission rod and above the drying frame, the mounting block is fixedly connected to the outer wall of the transmission rod, a support plate is arranged on a vertical surface on one side of the mounting block, and the support plate is welded to the mounting block On the vertical surface of one side of the block, a connecting plate is arranged on the upper part of the vertical surface of one side of the support plate, the connecting plate is welded to the upper part of the vertical surface of one side of the support plate, an electric heating tube is arranged on the lower part of the connecting plate, and the electric heating tube is connected to the lower part of the connecting plate by bolts, a guide plate is arranged on the vertical surface of the other side of the support plate, the guide plate is welded to the vertical surface of the other side of the support plate, the guide plate is arranged as an arc plate structure, a motor is arranged on the upper part of the transmission rod, and the output shaft of the motor is connected to one end of the transmission rod through a coupling, a feeding port is arranged on one side of the drying cylinder, the feeding port can be integrally formed with the drying cylinder through mold casting during production, an opening and closing door is connected to one side of the feeding port, a discharging port is arranged on one side of the upper part of the drying frame, the discharging port can be integrally formed with the drying frame through mold casting during production, a blocking component is arranged at the lower part of the drying frame, and a discharging component is arranged on the support plate.
[0007] The blocking assembly includes a connecting ring arranged at the axis center of the lower part of the drying frame, the connecting ring is connected to the outer wall of the transmission rod through a bearing, a material blocking plate is arranged on one side of the outer wall of the connecting ring, the material blocking plate is welded to one side of the outer wall of the connecting ring, a limiting block is arranged at the lower part of the drying frame and on one side of the discharge port, and the limiting block is welded to the lower part of the drying frame and on one side of the discharge port.
[0008] The discharge assembly includes a sliding groove opened on the support plate, which can be opened on the support plate by a groove opener. A discharge plate is slidably connected in the sliding groove. A blocking plate is arranged on the upper part of the vertical surface on one side of the discharge plate, and the blocking plate is welded to the upper part of the vertical surface on one side of the discharge plate.
[0009] An L-shaped support frame is arranged on the upper part of the motor, the motor is connected to the L-shaped support frame through bolts, and one end of the L-shaped support frame is connected to the upper part of the drying cylinder through bolts.
[0010] The opening and closing door is connected to the loading port by a hinge. A handle is arranged on the side of the opening and closing door away from the drying cylinder. The handle is welded to one side of the opening and closing door. A rubber pad is wrapped at the edge of the opening and closing door. The rubber pad is fixedly connected to the edge of the opening and closing door by sol connection.
[0011] A plurality of supporting legs are arranged at the lower part of the drying drum, and the supporting legs are welded to the lower part of the drying drum. Pads are arranged at the lower parts of the plurality of supporting legs, and the pads are welded to the lower parts of the supporting legs.
[0012] The beneficial effects of the above technical solution of the utility model are as follows:
[0013] 1. The drying efficiency of pyromellitic dianhydride during drying and the drying uniformity after drying can be improved by setting up multiple drying mechanisms.
[0014] 2. The blocking component can be set to block the discharge port during drying to prevent material leakage, and it can be opened after drying to discharge the dried material.
[0015] 3. The dried pyromellitic anhydride can be discharged more quickly by setting the discharge component. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of local parts of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the mounting block and the components thereon of the utility model;
[0019] Figure 4 This is a schematic diagram of the local parts structure of the blocking component of the utility model;
[0020] Figure 5 It is a schematic diagram of the overall structure of the utility model when viewed from above.
[0021] In the figure: 101, drying drum; 102, transmission rod; 103, drying frame; 104, fixing block; 105, mounting block; 106, support plate; 107, connecting plate; 108, electric heating tube; 109, guide plate; 110, motor; 111, opening and closing door; 112, L-shaped support frame;
[0022] 201, discharge plate; 202, blocking plate;
[0023] 301, connecting ring; 302, material blocking plate; 303, limiting block; 304, discharge port;
[0024] 401, handle; 402, rubber pad;
[0025] 501. Support leg; 502. Pad. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.
[0027] like Figure 1 , 2 As shown: a drying device for processing pyromellitic anhydride, including a drying drum 101, the drying drum 101 is arranged so that the heat generated can be stored therein, and the pyromellitic anhydride in the drying process can be prevented from being contaminated by foreign substances, a transmission rod 102 is rotatably connected to the internal axis of the drying drum 101, the transmission rod 102 is arranged so as to drive the mounting block 105 and the components thereon to rotate, the transmission rod 102 is rotatably connected to the internal axis of the drying drum 101 through bearings sleeved at both ends, so that the transmission rod 102 will not get stuck when rotating, and multiple groups of drying mechanisms are arranged on the outer wall of the transmission rod 102, and the multiple groups of drying mechanisms can not only improve the drying efficiency of the pyromellitic anhydride stored on the upper part of the drying frame 103, but also improve the drying efficiency of the pyromellitic anhydride. In order to ensure the uniformity of the benzene tetracarboxylic anhydride after drying, each drying mechanism includes a drying frame 103 arranged on the outer side wall of the transmission rod 102. The drying frame 103 is arranged so that the benzene tetracarboxylic anhydride can be stored on the drying frame 103, and the benzene tetracarboxylic anhydride can be dried on the drying frame 103. The drying frame 103 is connected to the outer side wall of the transmission rod 102 through a ball bearing, so that the drying frame 103 will not block the transmission rod 102 when it rotates. Fixed blocks 104 are arranged on the outer walls on both sides of the drying frame 103. The fixed blocks 104 are welded on the outer walls on both sides of the drying frame 103, so that the fixed blocks 104 can support the drying frame 103, thereby preventing the transmission rod 102 from rotating and driving the drying frame 103 to rotate accordingly.
[0028] like Figure 2 , 3As shown: the drying frame 103 is fixedly connected to the inner wall of the drying cylinder 101 through the fixing block 104, so that the drying frame 103 can be fixed to prevent it from rotating together with the electric heating tube 108, so that the electric heating tube 108 can rotate to evenly dry the pyromellitic anhydride. A mounting block 105 is provided on the outer wall of the transmission rod 102 and above the drying frame 103. The mounting block 105 is provided so that the mounting block 105 rotates with the transmission rod 102, thereby driving the various components thereon to rotate, which can not only dry the pyromellitic anhydride, but also make the pyromellitic anhydride be evenly laid, so that it can be better dried. The mounting block 105 is fixedly connected to the outer side wall of the transmission rod 102, so that the mounting block 105 can rotate along with the rotation of the transmission rod 102; a support plate 106 is provided on a vertical surface on one side of the mounting block 105, and the support plate 106 is provided so that the components thereon can be supported, and the support plate 106 is welded to a vertical surface on one side of the mounting block 105, so that its connection structure is more stable; a connecting plate 107 is provided on an upper part of the vertical surface on one side of the support plate 106, and the connecting plate 107 is provided so that the electric heating tube 108 can be supported, and the connecting plate 107 is welded to an upper part of the vertical surface on one side of the support plate 106, so that its connection structure is more stable.
[0029] like Figure 2 , 3 As shown in the figure, an electric heating tube 108 is arranged at the lower part of the connecting plate 107. The electric heating tube 108 is arranged so that the temperature can be controlled and the electric heating tube 108 can be rotated, so as to evenly dry the pyromellitic anhydride placed on the drying frame 103, thereby improving the drying efficiency of the pyromellitic anhydride during drying and the drying uniformity after drying. The electric heating tube 108 is connected to the lower part of the connecting plate 107 by bolts, so that the electric heating tube 108 is easy to disassemble and assemble when maintenance or replacement is required. The support plate 106 is also A material guide plate 109 is arranged on a vertical surface on one side. The material guide plate 109 is arranged so that after the isophthalic anhydride is poured into the drying frame 103, it can be laid flat as the material guide plate 109 rotates, thereby further improving the drying rate of the isophthalic anhydride. The material guide plate 109 is welded to the vertical surface on the other side of the support plate 106, thereby making its connection structure more stable. The material guide plate 109 is arranged as an arc plate structure, which is arranged as an arc plate structure so that it can better fit the drying frame 103, thereby better guiding the isophthalic anhydride.
[0030] like Figure 1 , 23: A motor 110 is arranged on the upper part of the transmission rod 102, and the output shaft of the motor 110 is connected to one end of the transmission rod 102 through a coupling. The motor 110 is arranged so that the output shaft of the motor 110 rotates, thereby driving the transmission rod 102 and the components thereon to rotate accordingly. A loading port is provided on one side of the drying cylinder 101, and the loading port is provided so that materials can be added into multiple drying frames 103 from there. The loading port can be integrally formed with the drying cylinder 101 through mold casting during production, so that the connection structure thereof is more stable. An opening and closing door 111 is connected to one side of the loading port, and the opening and closing door 111 is provided so that the drying cylinder 101 can be sealed to improve the drying effect, and external impurities can be prevented from entering the drying cylinder. 101 is contaminated with pyromellitic anhydride, and a discharge port 304 is provided on one side of the upper part of the drying frame 103. The discharge port 304 is provided so that the dried pyromellitic anhydride can be discharged more quickly and conveniently, and the discharge port 304 can be integrally formed with the drying frame 103 through mold casting during production, so that the connection structure is more stable, and a blocking component is provided at the lower part of the drying frame 103. The blocking component is provided so that the discharge port 304 can be blocked during drying to prevent material leakage, and it can be opened after drying to discharge the dried material, and a discharge component is provided on the support plate 106. The discharge component is provided so that the dried pyromellitic anhydride can be discharged more quickly.
[0031] like Figure 2 , 4 As shown: the blocking assembly includes a connecting ring 301 arranged at the axis center of the lower part of the drying frame 103, the connecting ring 301 is arranged to support the blocking plate 302, the connecting ring 301 is connected to the outer wall of the transmission rod 102 through a bearing, so that the blocking plate 302 can be rotated through the connecting ring 301 when it rotates, thereby avoiding the blocking plate 302 from getting stuck when it rotates, and a blocking plate 302 is arranged on one side of the outer wall of the connecting ring 301, and the blocking plate 302 is arranged to block the pyromellitic anhydride during drying, and when it is necessary to discharge the material, the blocking plate 302 can be moved to discharge the dried pyromellitic anhydride, and the blocking plate 302 is welded to the connecting ring 3 01 outer wall side, thereby making the connection structure of the material blocking plate 302 more stable, a limit block 303 is set at the lower part of the drying frame 103 and at the side of the discharge port 304, and the limit block 303 is set to block the material blocking plate 302 to prevent it from moving and causing scattering of isophthalic acid anhydride during drying. The limit block 303 is welded to the lower part of the drying frame 103 and at the side of the discharge port 304, thereby making its connection structure more stable. Therefore, the rotation direction of the motor 110 needs to make the material blocking plate 302 rotate toward the limit block 303, thereby preventing the friction force generated by the rotation from driving the connecting ring 301 to rotate, thereby preventing the connecting ring 301 from driving the material blocking plate 302 to rotate.
[0032] like Figure 2 , 3 As shown: the discharge assembly includes a sliding groove opened on the support plate 106, and the sliding groove is provided so that the discharge plate 201 can move therein, and the sliding groove can be opened on the support plate 106 by a slotter, so that its connection structure is more stable, and a discharge plate 201 is slidably connected in the sliding groove, and the discharge plate 201 is provided so that it can be inserted into the sliding groove when discharge is required, so that the dried pyromellitic dianhydride can fall from the discharge port 304 as the discharge plate 201 rotates and is collected, and it is not necessary to discharge and only needs to remove the pyromellitic dianhydride when it is dried. A blocking plate 202 is provided on the upper part of the vertical surface of one side of the discharge plate 201, and the blocking plate 202 is provided so that the discharge plate 201 can be limited, so as to avoid jamming when the discharge plate 201 rotates, and the blocking plate 202 is welded to the upper part of the vertical surface of one side of the discharge plate 201, so that its connection structure is more stable.
[0033] like Figure 1 , 2 , 5: an L-shaped support frame 112 is provided on the upper part of the motor 110, and the L-shaped support frame 112 is provided so as to support the motor 110, thereby preventing the output shaft of the motor 110 from rotating and rotating. The motor 110 is connected to the L-shaped support frame 112 by bolts, so that the motor 110 can be easily disassembled and assembled. One end of the L-shaped support frame 112 is connected to the upper part of the drying cylinder 101 by bolts, so that the L-shaped support frame 112 can be supported and can be easily disassembled and assembled. The opening and closing door 111 is connected to the feeding port by a hinge, so that the opening and closing door 111 is easy to open and close. A handle 401 is provided on the side of the opening and closing door 111 away from the drying cylinder 101, so as to facilitate the opening and closing of the opening and closing door 111. The handle 401 01 is welded on one side of the opening and closing door 111, so that its connection structure is more stable, the edge of the opening and closing door 111 is wrapped with a rubber pad 402, and the rubber pad 402 is provided to increase the airtightness, thereby improving the drying effect, and the rubber pad 402 is fixedly connected to the edge of the opening and closing door 111 by sol connection, so that its connection structure is more stable, and a plurality of supporting legs 501 are provided at the lower part of the drying cylinder 101, and the supporting legs 501 are provided so that each component thereon can be stably supported, and the supporting legs 501 are welded at the lower part of the drying cylinder 101, so that its connection structure is more stable, and a pad 502 is provided at the lower part of the plurality of supporting legs 501, and the pad 502 is provided to enhance the supporting effect of the supporting legs 501. The pad 502 is welded at the lower part of the supporting leg 501, so that its connection structure is more stable.
[0034] The use of the utility model:
[0035] When in use, open the opening and closing door 111 and add isophthalic anhydride into multiple drying frames 103 through the loading port, then start the motor 110 and rotate it slowly, so that the transmission rod 102 rotates and drives the support plate 106 and the components thereon to rotate accordingly, and the isophthalic anhydride is laid flat through the guide plate 109, then close the opening and closing door 111, turn on the electric heating tubes 108 on the multiple groups of drying mechanisms, and control the temperature of the electric heating tubes 108 within a suitable range, and then the isophthalic anhydride on the upper part of the drying frame 103 can be evenly dried by the rotating electric heating tubes 108, thereby improving the drying efficiency of isophthalic anhydride during drying and the uniformity of drying after drying, and after drying, open the material blocking plate 302 and insert the discharge plate 201 to complete the discharge, and the discharged material can be stored in the storage box.
[0036] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0037] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A drying device for processing pyromellitic anhydride, characterized in that: The drying drum (101) comprises a drying drum (101), wherein a transmission rod (102) is rotatably connected to the inner axis of the drying drum (101), and a plurality of drying mechanisms are arranged on the outer wall of the transmission rod (102), and each drying mechanism comprises a drying frame (103) arranged on the outer wall of the transmission rod (102), and fixing blocks (104) are arranged on the outer walls of both sides of the drying frame (103), and the drying frame (103) is fixedly connected to the inner wall of the drying drum (101) through the fixing blocks (104), and a mounting block (105) is arranged on the outer wall of the transmission rod (102) and above the drying frame (103), and a support plate (106) is arranged on a vertical surface of one side of the mounting block (105). ), a connecting plate (107) is arranged on the upper part of the vertical surface of one side of the support plate (106), an electric heating tube (108) is arranged on the lower part of the connecting plate (107), a guide plate (109) is arranged on the vertical surface of the other side of the support plate (106), and the guide plate (109) is arranged as an arc-shaped plate structure, a motor (110) is arranged on the upper part of the transmission rod (102), a loading port is arranged on one side of the drying cylinder (101), and an opening and closing door (111) is connected to one side of the loading port, a discharge port (304) is arranged on one side of the upper part of the drying frame (103), a blocking component is arranged at the lower part of the drying frame (103), and a discharge component is arranged on the support plate (106).
2. The drying device for processing pyromellitic dianhydride as claimed in claim 1, characterized in that: The blocking assembly comprises a connecting ring (301) arranged at the axis center of the lower part of the drying frame (103), a material blocking plate (302) is arranged on one side of the outer wall of the connecting ring (301), and a limiting block (303) is arranged at the lower part of the drying frame (103) and on one side of the material discharge port (304).
3. The drying device for processing pyromellitic dianhydride as claimed in claim 1, characterized in that: The discharge assembly comprises a sliding groove provided on a support plate (106), a discharge plate (201) being slidably connected in the sliding groove, and a blocking plate (202) is provided on an upper part of a vertical surface on one side of the discharge plate (201).
4. The drying device for processing pyromellitic dianhydride according to claim 1, characterized in that: An L-shaped support frame (112) is arranged on the upper part of the motor (110).
5. The drying device for processing pyromellitic dianhydride according to claim 1, characterized in that: The opening and closing door (111) is connected to the loading port via a hinge, a handle (401) is provided on a side of the opening and closing door (111) away from the drying cylinder (101), and a rubber pad (402) is wrapped around the edge of the opening and closing door (111).
6. The drying device for processing pyromellitic dianhydride according to claim 1, characterized in that: A plurality of supporting legs (501) are arranged at the lower part of the drying cylinder (101), and a pad (502) is arranged at the lower part of each of the plurality of supporting legs (501).