CN220417996U - Raw material drying equipment for flame-retardant plastics - Google Patents

Abstract

The utility model discloses a raw material drying device for flame-retardant plastics, which comprises: the drying cylinder assembly is positioned in the workbench, the pneumatic assembly is positioned above the workbench, and the bottom of the workbench is fixedly connected with a support column; the drying cylinder assembly comprises a cylinder body, a feeding pipe, a discharging pipe, a cover plate, a discharging valve, a partition plate, a filter screen, stirring blades, a rotating shaft and a motor, wherein the circumferential surface of the cylinder body is fixedly connected with the workbench, the top of the cylinder body is fixedly connected with the feeding pipe, the cover plate is movably connected with the upper part of the feeding pipe, the discharging pipe is fixedly connected with the bottom of the cylinder body, the discharging valve is fixedly connected with the bottom of the discharging pipe, and the filter screen is clamped at the top of the cylinder body. Through setting up barrel and baffle, carry out layering to the fire-retardant plastics raw materials of adding the barrel and block, make it have more time to contact with hot-blast, increase dehumidification time.

Description

A kind of raw material drying equipment for flame retardant plastics

Technical field

The utility model relates to the technical field of drying equipment, in particular to a raw material drying equipment for flame-retardant plastics.

Background technique

Early drying equipment consisted of a drying cylinder combined with a heater and a blower. The drying cylinder was used to store plastic raw materials. The combination of the blower and the heater could be used to heat the air. The heated air was blown into the drying cylinder. Plastic raw materials are dried.

This kind of equipment has a simple structure and is easy to operate. However, because the structure is too simple, the dehumidification effect of the plastic in the drying cylinder is not ideal. It usually needs to increase the drying time to improve efficiency, resulting in a lot of waste of resources.

Utility model content

The utility model provides a raw material drying equipment for flame-retardant plastics, which can circulate hot air and improve the utilization rate of heat. At the same time, multiple partitions are provided in the drying cylinder, which can increase the contact time between the flame-retardant plastic raw materials and the hot air. , thereby improving the drying efficiency, and a stirring mechanism is added at the bottom, so that the raw materials are more fully contacted with the hot air, making the dehumidification effect better.

In order to achieve the above object, a raw material drying equipment for flame-retardant plastics is provided, including: a workbench, a drying cylinder assembly and a pneumatic assembly. The drying barrel assembly is located inside the workbench, and the pneumatic assembly is located above the workbench. The bottom of the workbench is fixedly connected with a support;

The drying cylinder assembly includes a cylinder, a feed pipe, a discharge pipe, a cover plate, a discharge valve, a partition, a filter screen, a mixing blade, a rotating shaft and a motor. The circumferential surface of the cylinder is fixedly connected to the workbench. The top of the barrel is fixedly connected with a feed pipe, the top of the feed pipe is movably connected with a cover plate, the bottom of the barrel is fixedly connected with a discharge pipe, and the bottom of the discharge pipe is fixedly connected with an outlet. Material valve, a filter screen is connected to the top of the cylinder, a partition is fixedly connected to the inner circumferential surface of the cylinder, a plurality of air holes are evenly arranged on the partition, and the inner bottom surface of the cylinder rotates A rotating shaft is connected, a stirring blade is fixedly connected to the circumferential surface of the rotating shaft, a motor is fixedly connected to the bottom of the cylinder, and the output end of the motor is fixedly connected to the rotating shaft;

The pneumatic component includes a blower, a first connecting pipe, a heating device, a second connecting pipe, a dehumidifier, a third connecting pipe, a circulation pipe and an exhaust pipe. The bottoms of the blower, heating device and dehumidifier are all connected to the workbench. Fixed connection, the air outlet end of the front side wall of the blower is fixedly connected to a first connecting pipe, the front end of the first connecting pipe is fixedly connected to a heating device, and the left side wall of the heating device is fixedly connected to a second connection pipe, a dehumidifier is fixedly connected to the left end of the second connecting pipe, a third connecting pipe is fixedly connected to the left side wall of the dehumidifier, and the left end of the third connecting pipe is fixedly connected to the circumferential surface of the cylinder, A circulation pipe is fixedly connected to the top of the cylinder, and one end of the circulation pipe away from the top of the cylinder is fixedly connected to the top of the dehumidifier. An exhaust pipe is fixedly connected to the circumferential surface of the circulation pipe. The exhaust pipe Located above the circulation pipe, the feed pipe is located on the left side of the circulation pipe.

According to the raw material drying equipment for flame-retardant plastics, the filter screen is located inside the circulation pipe.

According to the raw material drying equipment for flame-retardant plastics, there are multiple partition plates, and they are evenly distributed up and down on the inner circumferential surface of the cylinder.

According to the raw material drying equipment for flame-retardant plastics, there are multiple stirring blades and they are evenly distributed on the circumferential surface of the rotating shaft.

According to the raw material drying equipment for flame-retardant plastics, there are multiple pillars and they are evenly distributed at the four corners of the workbench.

According to the raw material drying equipment for flame-retardant plastics, the third connecting pipe is located above the stirring blade.

Beneficial effects of this utility model:

1. By setting up the cylinder and partitions, the flame-retardant plastic raw materials added to the cylinder are blocked in layers, so that they have more time to contact the hot air and increase the dehumidification time;

2. By setting up the stirring blade, rotating shaft and motor, the once-dried flame-retardant plastic raw materials can be more fully contacted with the hot air through the rotation of the stirring blade, thereby increasing the dehumidification surface;

3. By setting up the circulation pipe, filter screen and exhaust pipe, the heat inside the cylinder can be recycled and energy saved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of the drawings

The utility model will be further described below in conjunction with the accompanying drawings and examples;

Figure 1 is a front view of a raw material drying equipment for flame-retardant plastics according to the present invention;

Figure 2 is a cross-sectional view of the drying tower of a raw material drying equipment for flame-retardant plastics according to the present invention;

Figure 3 is a schematic structural diagram of a pneumatic component of a raw material drying equipment for flame-retardant plastics according to the present invention;

Figure 4 is a schematic diagram of a partition of a raw material drying equipment for flame-retardant plastics according to the present invention.

illustration:

1. Workbench; 2. Drying cylinder assembly; 3. Pneumatic assembly; 4. Support pillar;

201. Cylinder; 202. Feed pipe; 203. Discharge pipe; 204. Cover plate; 205. Discharge valve; 206. Partition plate; 207. Filter screen; 208. Mixing blade; 209. Rotating shaft; 210. Motor ;

301. Blower; 302. First connecting pipe; 303. Heating device; 304. Second connecting pipe; 305. Dehumidifier; 306. Third connecting pipe; 307. Circulation pipe; 308. Exhaust pipe.

Detailed ways

This section will describe the specific embodiments of the present invention in detail. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description of the written part of the specification with graphics, so that people can intuitively and vividly Each technical feature and the overall technical solution of the present utility model should be understood, but they cannot be understood as limiting the protection scope of the present utility model.

Referring to Figures 1-4, the embodiment of the present invention is a raw material drying equipment for flame-retardant plastics, which includes: a workbench 1, a drying cylinder assembly 2 and a pneumatic component 3. The drying cylinder assembly 2 is located inside the workbench 1, and the pneumatic component 3 is located above the workbench 1. The bottom of the workbench 1 is fixedly connected with pillars 4. There are multiple pillars 4 and they are evenly distributed at the four corners of the workbench 1.

The drying cylinder assembly 2 includes a cylinder 201, a feed pipe 202, a discharge pipe 203, a cover plate 204, a discharge valve 205, a partition 206, a filter screen 207, a mixing blade 208, a rotating shaft 209 and a motor 210. The cylinder 201 The circumferential surface is fixedly connected to the workbench 1, the top of the cylinder 201 is fixedly connected to a feed pipe 202, the top of the feed pipe 202 is movably connected to a cover plate 204, the bottom of the cylinder 201 is fixedly connected to a discharge pipe 203, and the discharge pipe 203 is fixedly connected to the bottom of the cylinder 201. A discharge valve 205 is fixedly connected to the bottom of the tube 203, a filter screen 207 is connected to the top of the cylinder 201, and a partition 206 is fixedly connected to the inner circumferential surface of the cylinder 201. A plurality of air holes are evenly arranged on the partition 206. There are multiple partitions 206 and they are evenly distributed up and down on the inner circumferential surface of the cylinder 201. They are used to divide the put in flame-retardant plastic raw materials into multiple layers and increase the drying time. The inner bottom surface of the cylinder 201 is connected by rotation. There is a rotating shaft 209, a stirring blade 208 is fixedly connected to the circumferential surface of the rotating shaft 209, a motor 210 is fixedly connected to the bottom of the cylinder 201, the output end of the motor 210 is fixedly connected to the rotating shaft 209, there are multiple stirring blades 208, and Evenly distributed on the circumferential surface of the rotating shaft 209, it is used to stir the flame-retardant plastic raw materials at the bottom.

The pneumatic component 3 includes a blower 301, a first connecting pipe 302, a heating device 303, a second connecting pipe 304, a dehumidifier 305, a third connecting pipe 306, a circulation pipe 307 and an exhaust pipe 308. The blower 301, the heating device 303 and the dehumidifier The bottom of the blower 305 is fixedly connected to the workbench 1. The air outlet end of the front side wall of the blower 301 is fixedly connected to a first connecting pipe 302. The front end of the first connecting pipe 302 is fixedly connected to a heating device 303. The left side of the heating device 303 A second connecting pipe 304 is fixedly connected to the wall. A dehumidifier 305 is fixedly connected to the left end of the second connecting pipe 304. A third connecting pipe 306 is fixedly connected to the left side wall of the dehumidifier 305. The left end of the third connecting pipe 306 is connected to The circumferential surface of the cylinder 201 is fixedly connected. The top of the cylinder 201 is fixedly connected with a circulation pipe 307. One end of the circulation pipe 307 away from the top of the cylinder 201 is fixedly connected with the top of the dehumidifier 305. The circumferential surface of the circulation pipe 307 is fixedly connected with The exhaust pipe 308 is located above the circulation pipe 307 and is used to discharge excess gas and prevent excessive pressure inside the cylinder 201. The feed pipe 202 is located on the left side of the circulation pipe 307, and the filter screen 207 is located in the circulation pipe. 307, the third connecting pipe 306 is located above the stirring blade 208.

Working principle: Turn on the blower 301, heating device 303 and dehumidifier 305 to blow air inside the cylinder 201 to heat all the gas inside the cylinder 201. Add flame-retardant plastic raw materials from the feed pipe 202, and the raw materials will fall through layer by layer. The partition 206 is dehumidified and dried for the first time. After the flame-retardant plastic raw materials are added, the cover 204 is closed, the motor 210 is turned on, and the stirring blade 208 dehumidifies and dries the flame-retardant plastic raw materials at the bottom again. After a period of time, the motor is turned off. , open the discharge valve 205, discharge the flame-retardant plastic raw material from the discharge pipe 203, close the discharge valve, add the flame-retardant plastic raw material again, and repeat the above operation.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the technical field, the utility model can also be modified without departing from the purpose of the present utility model. Make various changes below.

Claims (6)

1. A raw material drying apparatus for flame retardant plastics, characterized by comprising: the drying device comprises a workbench (1), a drying cylinder assembly (2) and a pneumatic assembly (3), wherein the drying cylinder assembly (2) is positioned in the workbench (1), the pneumatic assembly (3) is positioned above the workbench (1), and a support column (4) is fixedly connected to the bottom of the workbench (1);

the drying cylinder assembly (2) comprises a cylinder body (201), a feeding pipe (202), a discharging pipe (203), a cover plate (204), a discharging valve (205), a partition plate (206), a filter screen (207), stirring blades (208), a rotating shaft (209) and a motor (210), wherein the circumferential surface of the cylinder body (201) is fixedly connected with the workbench (1), the top of the cylinder body (201) is fixedly connected with the feeding pipe (202), the cover plate (204) is movably connected above the feeding pipe (202), the discharging pipe (203) is fixedly connected with the bottom of the cylinder body (201), the discharging valve (205) is fixedly connected with the bottom of the discharging pipe (203), the filter screen (207) is clamped at the top of the cylinder body (201), the partition plate (206) is fixedly connected with the inner circumferential surface of the cylinder body (201), a plurality of air holes are uniformly formed in the partition plate (206), the rotating shaft (209) is rotatably connected with the inner bottom surface of the cylinder body (201), the stirring blades (208) are fixedly connected with the motor (210), and the output end of the motor (210) is fixedly connected with the rotating shaft (209).

The pneumatic assembly (3) comprises a blower (301), a first connecting pipe (302), a heating device (303), a second connecting pipe (304), a dehumidifier (305), a third connecting pipe (306), a circulating pipe (307) and an exhaust pipe (308), wherein the bottoms of the blower (301), the heating device (303) and the dehumidifier (305) are fixedly connected with a workbench (1), the first connecting pipe (302) is fixedly connected to the air outlet end of the front side wall of the blower (301), the heating device (303) is fixedly connected to the front end of the first connecting pipe (302), the second connecting pipe (304) is fixedly connected to the left side wall of the heating device (303), the dehumidifier (305) is fixedly connected to the left end of the second connecting pipe (304), the third connecting pipe (306) is fixedly connected to the left side wall of the dehumidifier (305), the left end of the third connecting pipe (306) is fixedly connected with the circumference surface of a cylinder (201), the circulating pipe (307) is fixedly connected to the top of the cylinder (201), one end of the heating device (307) is far away from the top of the cylinder (201), the circulating pipe (307) is fixedly connected to the circumference surface of the circulating pipe (308) on the top of the dehumidifier (305), the feed pipe (202) is located on the left side of the circulation pipe (307).

2. A raw material drying apparatus for flame retardant plastics according to claim 1, wherein the filter screen (207) is located inside the circulation pipe (307).

3. The raw material drying apparatus for flame retardant plastics according to claim 1, wherein the number of the partition plates (206) is plural and uniformly distributed on the inner circumferential surface of the cylinder (201) up and down.

4. The raw material drying apparatus for flame retardant plastics according to claim 1, wherein the stirring blades (208) are provided in plural numbers and uniformly distributed on the circumferential surface of the rotating shaft (209).

5. A raw material drying apparatus for flame retardant plastics according to claim 1, wherein the number of the supporting columns (4) is plural and uniformly distributed at four corners of the table (1).

6. A raw material drying apparatus for flame retardant plastics according to claim 1, wherein the third connecting pipe (306) is located above the stirring blade (208).