Fluidized bed dryer for drying ABS resin

Abstract

The utility model discloses a fluidized bed dryer for drying ABS (Acrylonitrile Butadiene Styrene) resin, which comprises a dryer body, the dryer body is directly arranged on the ground, a grinding mechanism is arranged at the upper part in the dryer body, and the grinding mechanism comprises a grinding box, a grinding rod, a belt pulley, a splayed belt and a first motor, and a grinding box is fixedly mounted at the upper part of the interior of the dryer body. According to the fluidized bed dryer for drying the ABS resin, the pulverizing mechanism is arranged, before the resin is poured into the dryer to be dried, pulverizing is conducted once, convenience is provided for subsequent comprehensive drying, meanwhile, the reciprocating intermittent rotating mechanism is arranged, a stirring rod can intermittently rotate by 180 degrees in a reciprocating mode to stir the resin, and the drying efficiency is improved. In addition, a peculiar smell purification mechanism is arranged, peculiar smell generated after resin is dried is extracted through an exhaust fan, then the peculiar smell is purified and discharged, and a guarantee is provided for the body health of operators.

Description

Technical Field

[0001] The utility model relates to the technical field of ABS resin drying, in particular to a fluidized bed dryer for drying ABS resin. Background Art

[0002] ABS resin is an invisible thermoplastic. It is a general term for an impact-resistant thermoplastic resin composed of three components: acrylonitrile, butadiene and styrene. It is a thermoplastic polymer material with high strength, good toughness and easy processing. One of the advantages of ABS resin is its processing performance. It has a wide range of processing operating conditions and good shear-thinning flow characteristics. ABS is slightly hygroscopic and should generally be dried before melting. There are many types of fluidized bed dryers currently available on the market for drying ABS resin, but there are still some disadvantages.

[0003] For example, in actual use, ABS resin is generally dried using a fluidized bed dryer. Generally, ABS resin particles are relatively large, and directly pouring them into the dryer for drying will result in uneven drying of the ABS resin, which is likely to affect the intrinsic and external quality of subsequent plastic products. At the same time, the stirring rod inside the dryer can only rotate in one direction, and continuous rotation and stirring will greatly reduce the service life of the stirring rod. In addition, ABS resin generally has a peculiar smell after drying. If it is not treated, it will cause great harm to the respiratory organs of the operating staff. Therefore, we propose a fluidized bed dryer for drying ABS resin to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a fluidized bed dryer for drying ABS resin, so as to solve the problems that the current fluidized bed dryer for drying ABS resin proposed in the above background technology uses a dryer for drying. Generally, the particles of ABS resin are relatively large. Directly pouring the particles into the dryer for drying will lead to uneven drying of the ABS resin, which is easy to affect the internal and external quality of subsequent plastic products. At the same time, the stirring rod inside the dryer can only rotate in one direction, and the stirring rod will greatly reduce the service life of the stirring rod if it is rotated and stirred all the time. In addition, the ABS resin will have a peculiar smell after drying. If it is not treated, it will cause great harm to the respiratory organs of the operating staff.

[0005] To achieve the above object, the utility model provides the following technical solution: a fluidized bed dryer for drying ABS resin, comprising:

[0006] A dryer body, wherein the dryer body is directly placed on the ground;

[0007] Also includes:

[0008] A crushing mechanism is arranged on the upper part of the interior of the dryer body, wherein the crushing mechanism comprises a crushing box, a crushing rod, a pulley, an eight-shaped belt and a first motor, a crushing box is fixedly installed on the upper part of the interior of the dryer body, a crushing rod is rotatably installed inside the crushing box, and a pulley is installed on the outer side of the right end of the crushing rod;

[0009] A reciprocating intermittent rotating mechanism is arranged on the left side inside the dryer body, wherein the reciprocating intermittent rotating mechanism comprises a rotating rod, a stirring rod, a rotating block, a cylindrical pin, a pushing rod, a fixed block and a servo motor; a rotating rod is rotatably installed inside the dryer body, and a stirring rod is equi-angledly installed on the outside of the rotating rod, and a rotating block is fixedly installed on the left end of the rotating rod.

[0010] Preferably, electric heating wires are arranged around the interior of the dryer body, an air outlet is opened at the upper left of the dryer body, and an electric fan is installed inside the upper left of the dryer body.

[0011] Preferably, a filter is provided below the electric fan, and the filter is snap-connected to the upper left interior of the dryer body.

[0012] Preferably, the pulley is installed on the right side of the outer side of the crushing box, and an eight-shaped belt is installed on the outer side of the pulley, and a first motor is installed on the right side of the pulley in front of the right side of the crushing box.

[0013] Preferably, a cylindrical pin is symmetrically fixedly installed on the left side of the rotating block, and the outer side of the cylindrical pin is tightly fitted with the push rod.

[0014] Preferably, a fixing block is installed on the left side of the push rod, and the lower right side of the fixing block is fixedly connected to the dryer body, and the left end of the push rod is connected to a servo motor.

[0015] Preferably, a material discharge port is provided at the lower middle portion of the dryer body, and a material collection box is tightly fitted below the material discharge port, and the material collection box is directly placed on the ground.

[0016] Preferably, a filter is snap-fitted inside the collection box, a baffle is installed below the filter, an opening is opened in the middle of the baffle, and an odor collection box is arranged below the opening opened in the middle of the baffle, and the odor collection box and the baffle are snap-fitted and connected.

[0017] Preferably, a connecting pipe is fixedly connected to the lower middle portion of the odor collecting box, an air purifier is connected to the right side of the connecting pipe, and an exhaust fan is connected to the right side of the air purifier.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the fluidized bed dryer for drying ABS resin is provided with a crushing mechanism, and the resin is first crushed before being poured into the dryer for drying, which provides convenience for subsequent comprehensive drying; at the same time, a reciprocating intermittent rotation mechanism is provided, so that the stirring rod can reciprocate 180° intermittently to stir the resin, which will greatly extend the service life of the stirring rod; in addition, an odor purification mechanism is provided, and the odor generated after the resin is dried is extracted by an exhaust fan, and then the odor is purified and discharged, which provides protection for the health of the operating workers;

[0019] 1. A crushing box, a crushing rod, a pulley and an eight-shaped belt are provided. A crushing box is provided above the dryer body, a crushing rod is installed inside the crushing box, the right outer end of the crushing rod is connected to a pulley, and the middle part of the pulley is fixedly connected by an eight-shaped belt. In addition, the right end of the crushing rod in the front of the crushing box is connected to a first motor. That is, when the first motor is turned on, the crushing rod can be rotated inside the crushing box through the setting of the pulley and the eight-shaped belt, so that the resin is crushed, which provides convenience for subsequent comprehensive drying;

[0020] 2. A rotating block, a cylindrical pin, a push rod and a fixed block are provided. A rotating rod is provided inside the dryer body. A stirring rod is installed at an equal angle on the outside of the rotating rod. The left end of the stirring rod is fixedly connected to the rotating block. A cylindrical pin is symmetrically provided on the left end of the rotating block. At the same time, the outside of the cylindrical pin is tightly fitted with the pushing rod. A fixed block is installed on the left side of the pushing rod. The fixed block supports the cylindrical pin. In addition, a servo motor is connected to the left end of the pushing rod. When the servo motor is turned on, the servo motor can make the pushing rod reciprocate 180° intermittently rotate. Because the pushing rod and the cylindrical pin on the left side of the rotating block are tightly fitted, when the pushing rod reciprocates 180° intermittently rotates, the rotating block and the cylindrical pin also reciprocate 180° intermittently rotate. That is, the rotating rod connected to the rotating block also reciprocates 180° intermittently rotates inside the dryer body. The stirring rod also rotates with the rotating rod. That is, the rotating rod and the stirring rod can reciprocate 180° intermittently to stir the resin, which greatly extends its service life.

[0021] 3. A collection box, a baffle, a filter and an odor collection box are provided. The dried resin will enter the interior of the collection box through the discharge port and will fall onto the filter inside the collection box. A baffle is provided below the filter. An opening is provided in the middle of the baffle. An odor collection box is installed below the opening. A connecting pipe is connected to the right side below the odor collection box. The connecting pipe is connected to the air purifier and the exhaust fan. That is, the exhaust fan is turned on. Through the connection of the connecting pipe, the exhaust fan can extract the odor in the resin inside the collection box through the odor collection box. The odor will first pass through the air purifier through the connecting pipe, and the air purifier will purify the odor before it is discharged by the exhaust fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0023] Figure 2 This is a perspective structural diagram of the connection between the rotating rod, the rotating block and the cylindrical pin of the utility model;

[0024] Figure 3 It is a right side cross-sectional structural schematic diagram of the utility model;

[0025] Figure 4 It is a top cross-sectional structural diagram of the connection between the pulley, the figure-eight belt and the first motor of the utility model;

[0026] In the figure: 1. dryer body; 2. heating wire; 3. electric fan; 4. crushing box; 5. crushing rod; 6. pulley; 7. figure eight belt; 8. first motor; 9. rotating rod; 10. stirring rod; 11. rotating block; 12. cylindrical pin; 13. pushing rod; 14. fixed block; 15. servo motor; 16. feeding port; 17. collecting box; 18. baffle; 19. filter; 20. odor collecting box; 21. connecting pipe; 22. air purifier; 23. exhaust fan. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 The utility model provides a technical solution: a fluidized bed dryer for drying ABS resin, comprising: a dryer body 1, an electric heating wire 2, an electric fan 3, a crushing box 4, a crushing rod 5, a pulley 6, an eight-shaped belt 7, a first motor 8, a rotating rod 9, a stirring rod 10, a rotating block 11, a cylindrical pin 12, a push rod 13, a fixed block 14, a servo motor 15, a feed port 16, a collection box 17, a baffle 18, a filter 19, an odor collection box 20, a connecting pipe 21, an air purifier 22 and an exhaust fan 23;

[0029] like Figure 1 , Figure 3 and Figure 4As shown in the figure, the resin to be dried is first poured into the crushing box 4 from the upper entrance, a crushing rod 5 is installed inside the crushing box 4, and the right outer end of the crushing rod 5 is fixedly connected to the pulley 6, and the middle part of the pulley 6 is fixedly connected by the figure-eight belt 7. In addition, the right end of the crushing rod 5 in the front of the crushing box 4 is connected to the first motor 8, that is, the first motor 8 is turned on, and the first motor 8 will make the crushing rod 5 and the pulley 6 connected on the left side start to rotate, through the connection of the figure-eight belt 7 outside the pulley 6, the figure-eight belt 7 is in the shape of "8", that is, the two crushing rods 5 inside the crushing box 4 can rotate inside the crushing box 4 at the same time, so as to crush the resin, which provides convenience for the subsequent comprehensive drying of the resin;

[0030] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, the lower middle part of the crushing box 4 is connected with the upper inner part of the dryer body 1, that is, after the resin is crushed inside the crushing box 4, it will directly fall into the inner part of the dryer body 1. The electric heating wire 2 is installed around the dryer body 1, and the inner part of the dryer body 1 can be heated. At the same time, a rotating rod 9 is arranged inside the dryer body 1, and a stirring rod 10 is installed at an equal angle on the outer side of the rotating rod 9. The left end of the stirring rod 10 is fixedly connected to a rotating block 11, and a cylindrical pin 12 is symmetrically arranged on the left end of the rotating block 11. At the same time, the outer side of the cylindrical pin 12 is tightly fitted with a push rod 13, and a fixed block 14 is installed on the left side of the push rod 13. The fixed block 14 supports the cylindrical pin 12 In addition, the left end of the push rod 13 is connected to a servo motor 15, that is, when the servo motor 15 is turned on, the servo motor 15 can make the push rod 13 reciprocate 180° intermittently rotate, that is, because the push rod 13 and the cylindrical pin 12 on the left side of the rotating block 11 are tightly fitted, when the push rod 13 reciprocates 180° intermittently rotates, the rotating block 11 and the cylindrical pin 12 also reciprocate 180° intermittently rotate, that is, the rotating rod 9 connected to the rotating block 11 will also reciprocate 180° intermittently rotate inside the dryer body 1, and the stirring rod 10 will also rotate with the rotating rod 9, that is, the rotating rod 9 and the stirring rod 10 can reciprocate 180° intermittently rotate to stir the resin, which will greatly extend its service life;

[0031] like Figure 1 and Figure 3As shown in the figure, after the resin is dried, the electric fan 3 on the upper left side of the dryer body 1 is turned on to dissipate heat from the machine. Since a feed port 16 is provided at the lower middle part of the dryer body 1, the internal valve of the feed port 16 is opened, and the resin will enter the interior of the collection box 17 through the feed port 16, and will fall on the filter 19 inside the collection box 17. A baffle 18 is provided below the filter 19, and an opening is provided in the middle of the baffle 18. An odor collection box 20 is installed below the opening. A connecting pipe 21 is connected to the right side below the odor collection box 20, and the connecting pipe 21 is connected to the air purifier 22 and the exhaust fan 23. That is, the exhaust fan 23 is turned on, and through the connection of the connecting pipe 21, the exhaust fan 23 can extract the odor in the resin inside the collection box 17 through the odor collection box 20. The odor will first pass through the air purifier 22 through the connecting pipe 21, and the air purifier 22 will purify the odor, and then it will be discharged by the exhaust fan 23.

[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fluidized bed dryer for drying ABS resin, comprising: A dryer body (1), wherein the dryer body (1) is directly placed on the ground; It is characterized by further comprising: A crushing mechanism is arranged on the upper part of the interior of the dryer body (1), wherein the crushing mechanism comprises a crushing box (4), a crushing rod (5), a belt pulley (6), an eight-shaped belt (7) and a first motor (8); the crushing box (4) is fixedly installed on the upper part of the interior of the dryer body (1), and the crushing rod (5) is rotatably installed inside the crushing box (4), and a belt pulley (6) is installed on the outer side of the right end of the crushing rod (5); A reciprocating intermittent rotating mechanism is arranged on the left side inside the dryer body (1), wherein the reciprocating intermittent rotating mechanism comprises a rotating rod (9), a stirring rod (10), a rotating block (11), a cylindrical pin (12), a pushing rod (13), a fixed block (14) and a servo motor (15); the rotating rod (9) is rotatably installed inside the dryer body (1), and the stirring rod (10) is equi-angledly mounted on the outer side of the rotating rod (9), and the rotating block (11) is fixedly installed on the left end of the rotating rod (9).

2. The fluidized bed dryer for drying ABS resin according to claim 1, characterized in that: The dryer body (1) is provided with electric heating wires (2) around its interior, an air outlet is provided at the upper left corner of the dryer body (1), and an electric fan (3) is installed at the upper left corner of the dryer body (1).

3. The fluidized bed dryer for drying ABS resin according to claim 2, characterized in that: A filter screen (19) is provided below the electric fan (3), and the filter screen (19) is snap-connected to the upper left interior of the dryer body (1).

4. The fluidized bed dryer for drying ABS resin according to claim 1, characterized in that: The belt pulley (6) is installed on the right side of the outer side of the crushing box (4), and an eight-shaped belt (7) is installed on the outer side of the belt pulley (6), and a first motor (8) is installed on the right side of the belt pulley (6) in front of the right side of the crushing box (4).

5. The fluidized bed dryer for drying ABS resin according to claim 1, characterized in that: A cylindrical pin (12) is fixedly mounted on the left side of the rotating block (11) symmetrically in the upper and lower directions, and the outer side of the cylindrical pin (12) is tightly fitted with the push rod (13).

6. The fluidized bed dryer for drying ABS resin according to claim 5, characterized in that: A fixing block (14) is installed on the left side of the push rod (13), and the lower right side of the fixing block (14) is fixedly connected to the dryer body (1), and the left end of the push rod (13) is connected to a servo motor (15).

7. The fluidized bed dryer for drying ABS resin according to claim 3, characterized in that: A material discharge port (16) is provided at the lower middle portion of the dryer body (1), and a material collection box (17) is tightly fitted below the material discharge port (16), and the material collection box (17) is directly placed on the ground.

8. The fluidized bed dryer for drying ABS resin according to claim 7, characterized in that: A filter screen (19) is mounted in the interior of the material collecting box (17), a baffle (18) is mounted below the filter screen (19), an opening is provided in the middle of the baffle (18), and an odor collecting box (20) is provided below the opening in the middle of the baffle (18), and the odor collecting box (20) is mounted and connected to the baffle (18).

9. The fluidized bed dryer for drying ABS resin according to claim 8, characterized in that: A connecting pipe (21) is fixedly connected to the lower middle portion of the odor collecting box (20), and an air purifier (22) is connected to the right side of the connecting pipe (21), and an exhaust fan (23) is connected to the right side of the air purifier (22).

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