Polyvinyl chloride drying equipment
By using a limiting support and drive mechanism to rotate the drying tank, combined with air heating and heat preservation heating, the problems of low drying efficiency and energy waste in PVC drying equipment are solved, achieving efficient drying and purification of harmful gases.
Patent Information
- Application Number
- CN202520241319.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-17
AI Technical Summary
In existing PVC drying equipment, PVC particles tend to accumulate inside the cylinder, resulting in low drying efficiency and the discharge of harmful gases along with the hot air, leading to energy waste.
The drying tank is rotated by a limit support mechanism and a drive mechanism. It is combined with an air heating box and a circular heating shell for heat preservation. The dried hot air is extracted by an air pump for heat preservation and heating, and is filtered and purified by activated carbon plates.
It improves drying efficiency, prevents heat loss, ensures drying effect, and purifies harmful gases while saving energy.
Smart Images
Figure CN223701370U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of polyvinyl chloride processing, specifically to a polyvinyl chloride drying equipment. BACKGROUND
[0002] The polyvinyl chloride (PVC) drying equipment is a mechanical equipment specially used for removing moisture and volatile substances in PVC materials, which is usually composed of a heating system and a drying chamber. The equipment promotes water evaporation by heating air or materials, thereby improving drying efficiency. The equipment is widely used in the plastic processing industry to ensure that PVC has good physical properties in subsequent processing, reduces defects caused by moisture, and improves product quality and production efficiency.
[0003] The utility model discloses a kind of polyvinyl chloride drying equipment, including cylinder, the bottom of the cylinder is communicated with discharge pipe, valve is installed on the discharge pipe, the upper end of the cylinder is communicated with feed hopper near rear edge, the upper end of the feed hopper is threadedly sleeved with hopper cover, the beneficial effects of the utility model are that through the mutual cooperation of feed hopper, hopper cover, sleeve ring, activated carbon filter screen, driving assembly, shaft, stirring piece, connecting column, triangular plate and drying assembly, not only can granular polyvinyl chloride be uniformly dried, and toxic substances generated during heating and drying of granular polyvinyl chloride can be purified and discharged to the outside, to avoid affecting the air quality around, and can ensure the health of surrounding workers.
[0004] However, in actual use, it is found that: the device realizes uniform drying of polyvinyl chloride particles in the cylinder through the drying assembly and the stirring mechanism, and purifies harmful gases generated during the drying process through the feed hopper and the activated carbon filter screen.
[0005] However, due to the accumulation of a large amount of polyvinyl chloride particles in the cylinder, the hot air blowing from the top of the cylinder through the hot air blower in the drying assembly will affect the drying efficiency. In addition, harmful gases generated during the drying process of polyvinyl chloride also contain hot air, causing harmful gases and hot air to be discharged through the feed hopper together, which is not conducive to the recycling of hot air, resulting in waste of energy. Therefore, a polyvinyl chloride drying equipment is provided. Utility model content
[0006] The purpose of the present application is to solve the above-mentioned problems and provide a polyvinyl chloride drying equipment.
[0007] The technical scheme adopted by the present application is as follows: a polyvinyl chloride drying equipment, comprising a bottom support, a drying tank is arranged on the top surface of the bottom support, a limiting support mechanism connected with the drying tank is arranged on the top surface of the bottom support, a feeding cover is arranged at the right end of the bottom support, a feeding pipe is fixedly installed on the top surface of the feeding cover, a feeding hopper is fixedly installed at the top end of the feeding pipe, the bottom end of the feeding pipe extends into the inside of the drying tank, an air heating box is fixedly installed on the side of the feeding cover away from the drying tank, an outer gear ring is fixedly installed near the middle of the drying tank, a driving mechanism connected with the outer gear ring is arranged on the top surface of the bottom support, a discharging cover is arranged at the left end of the drying tank, an air pump is fixedly installed on one side of the discharging cover, the air inlet end of the air pump extends into the inside of the discharging cover, an exhaust pipe is fixedly installed at the air outlet end of the air pump, a U-shaped pipe is fixedly installed at the end of the exhaust pipe away from the air pump, two circular heating housings are arranged on the outer surface of the drying tank, and one end of the U-shaped pipe is fixed to the outer surface of the circular heating housing.
[0008] In a preferred embodiment, the driving mechanism comprises a support frame, a bearing seat, a main rotating rod, a gear, a belt pulley one, a universal motor, a driving rod and a belt pulley two, the support frame is fixedly installed on the top surface of the bottom support, two bearing seats are fixedly installed on the top surface of the support frame, the main rotating rod is fixedly installed in the middle of the bearing seat, the gear corresponding to the outer gear ring is fixedly installed on the outer surface of the main rotating rod, the gear is meshed and connected with the outer gear ring, the belt pulley one is fixedly installed on the outer surface of the main rotating rod, the universal motor is fixedly installed on the inner bottom surface of the bottom support, the driving rod is fixedly installed at the driving end of the universal motor, and the belt pulley two is fixedly installed on the outer surface of the driving rod, and the belt pulley two and the belt pulley one are connected through a belt.
[0009] In a preferred embodiment, the limiting support mechanism comprises a roller bracket, a limiting roller and a connecting convex ring, a plurality of roller brackets are fixedly installed on the top surface of the bottom support in a symmetrical manner, the limiting roller is rotatably connected in the inside of the roller bracket, and the connecting convex ring matched with the limiting roller is fixedly installed on the outer surface of the drying tank.
[0010] In a preferred embodiment, the bottom surface of the discharging cover is fixedly installed with a discharging pipe, and the outer surface of the discharging pipe is fixedly installed with an electric control valve.
[0011] In a preferred embodiment, the outer surface of the circular heating housing is fixedly installed with a waste gas discharge pipe, and the inside of the waste gas discharge pipe is provided with an activated carbon plate.
[0012] In a preferred embodiment, a support is fixedly installed on the right side of the bottom support, and one end of the support is fixed to the outer surface of the feeding cover.
[0013] To sum up, due to the adoption of the technical scheme, the application has the beneficial effects of:
[0014] 1、In the application, due to the adoption of the technical scheme, the personnel start the air pump, so that the dry hot air in the drying tank enters the circular heating shell through the exhaust pipeline and the U-shaped pipeline, the circular heating shell heats the drying tank, prevents the rapid loss of heat inside the drying tank, improves the drying efficiency, the device drives the drying tank through the driving mechanism, realizes the uniform tumbling of the polyvinyl chloride particles, cooperates with the blowing of the hot air, greatly improves the drying efficiency, and the circular heating shell can further maintain the temperature in the drying tank, ensures the improvement of the drying effect. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a schematic diagram of the overall structure of the application;
[0016] Figure 2 is a schematic diagram of the internal structure of the air heating box of the application;
[0017] Figure 3 is a schematic diagram of the uninstalled structure of the drying tank of the application.
[0018] Marked in the figure: 1, bottom support; 2, drying tank; 3, limiting support mechanism; 301, roller bracket; 302, limiting roller; 303, connecting convex ring; 4, feeding cover; 5, feeding pipe; 6, feeding hopper; 7, air heating box; 8, outer gear ring; 9, driving mechanism; 901, support frame; 902, bearing seat; 903, main rotating rod; 904, gear; 905, pulley one; 906, general motor; 907, driving rod; 908, pulley two; 10, discharge cover; 11, air pump; 12, exhaust pipeline; 13, U-shaped pipeline; 14, circular heating shell; 15, discharge pipe; 16, exhaust pipe; 17, bracket. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the application clearer, the technical scheme in the embodiments of the application will be described clearly and completely below in combination with the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.
[0020] Reference Figure 1 , Figure 2The utility model provides a kind of polyvinyl chloride drying equipment, including bottom support 1, the top surface of bottom support 1 is provided with drying tank 2, the top surface of bottom support 1 is provided with limiting support mechanism 3 connected with drying tank 2;By being provided with limiting support mechanism 3, it is convenient to support drying tank 2, so it is convenient for subsequent drying tank 2 to rotate, it is convenient to dry polyvinyl chloride particles, a plurality of guide plates are installed in drying tank 2, so that polyvinyl chloride particles in its inside can move forward in the process of rotation, it is convenient for subsequent discharge operation.
[0021] Reference Figure 1 Limiting support mechanism 3 includes roller bracket 301, limiting roller 302 and connecting convex ring 303, a plurality of roller brackets 301 are mounted on the top surface of bottom support 1, limiting roller 302 is rotatably connected in the inside of roller bracket 301, connecting convex ring 303 is fixedly installed on the outer surface of drying tank 2 and matched with limiting roller 302;Connecting convex ring 303 outer ring is located in the inside of limiting roller 302, so that limiting roller 302 can support drying tank 2, improve stability, and also can assist the rotation of drying tank 2.
[0022] Reference Figure 1 , Figure 2 The right end of bottom support 1 is provided with feed cover 4, the right side of bottom support 1 is fixedly installed with support 17, one end of support 17 is fixed with the outer surface of feed cover 4, feed cover 4 is fixedly installed with feed pipe 5 on the top surface, feed pipe 5 is fixedly installed with feed hopper 6 on the top end, and the bottom end of feed pipe 5 extends to the inside of drying tank 2;By being provided with feed cover 4, feed pipe 5 and feed hopper 6, it is convenient for polyvinyl chloride particles to enter the inside of drying tank 2, so it is convenient for subsequent drying treatment, feed pipe 5 is L-shaped structure, and by being provided with support 17, it is convenient to install and fix feed cover 4, improve its stability.
[0023] Reference Figure 1 , Figure 2 And Figure 3 The side, away from drying tank 2, of feed cover 4 is fixedly installed with air heating box 7;Electric heating pipe and fan are installed in air heating box 7, fan can blow the air heated by electric heating pipe into the inside of drying tank 2, so it is convenient for drying polyvinyl chloride particles.
[0024] Reference Figure 1 , Figure 2 And Figure 3The outer gear ring 8 is fixedly installed near the middle part of the drying tank 2, the top surface of the bottom support 1 is provided with a driving mechanism 9 connected with the outer gear ring 8, the driving mechanism 9 comprises a support frame 901, a bearing seat 902, a main rotating rod 903, a gear 904, a belt pulley one 905, a general motor 906, a driving rod 907 and a belt pulley two 908, the support frame 901 is fixedly installed on the top surface of the bottom support 1, the two bearing seats 902 are fixedly installed on the top surface of the support frame 901, the main rotating rod 903 is fixedly installed in the middle part of the bearing seat 902, the gear 904 corresponding to the outer gear ring 8 is fixedly installed on the outer surface of the main rotating rod 903, and the gear 904 is in meshing connection with the outer gear ring 8.
[0025] With reference to Figure 1 , Figure 2 The gear 904 is fixedly installed on the outer surface of the main rotating rod 903, the general motor 906 is fixedly installed on the inner bottom surface of the bottom support 1, the driving rod 907 is fixedly installed on the driving end of the general motor 906, the belt pulley two 908 is fixedly installed on the outer surface of the driving rod 907, and the belt pulley two 908 and the belt pulley one 905 are connected through a belt. The general motor 906 is a motor with a gear box, the gear box can drive the driving rod 907 to rotate, so that the belt pulley two 908 is driven to rotate, the belt pulley one 905 is further driven to rotate by the belt, the general motor 906 can be selected from a BG series motor, for example, a BG-37 or a BG-45, so as to meet the needs of different loads, the general motor 906 is a device that can be directly purchased in reality, and only the use thereof is improved without improving the structure thereof.
[0026] With reference to Figure 1 , Figure 2 The left end of the drying tank 2 is provided with a discharging cover 10, the bottom surface of the discharging cover 10 is fixedly installed with a discharging pipe 15, and the outer surface of the discharging pipe 15 is fixedly installed with an electric control valve.
[0027] With reference to Figure 1 , Figure 2The side of the discharge cover 10 is fixedly provided with an air pump 11, the air inlet end of the air pump 11 extends to the inside of the discharge cover 10, the air outlet end of the air pump 11 is fixedly provided with an exhaust pipe 12, the end of the exhaust pipe 12 away from the air pump 11 is fixedly provided with a U-shaped pipe 13, the outer surface of the drying tank 2 is provided with two circular heating shells 14, and one end of the U-shaped pipe 13 is fixed to the outer surface of the circular heating shell 14; through the air pump 11, the dried waste gas in the drying tank 3 can be easily extracted and transported to the inside of the circular heating shell 14 through the exhaust pipe 12 and the U-shaped pipe 13, so that the circular heating shell 14 can heat and preserve the drying tank 2, so that the heat in the drying tank 2 will not be quickly lost, the drying efficiency is improved, and the circular heating shell 14 is fixed by the support rod on the top of the bottom support 1, and is not connected with the drying tank 2, but is close to the surface of the drying tank 2, so that the heat preservation and heating can be realized.
[0028] Reference Figure 1 The outer surface of the circular heating shell 14 is fixedly provided with a waste gas discharge pipe 16, and the inside of the waste gas discharge pipe 16 is provided with an activated carbon plate; through the waste gas discharge pipe 16, the used hot air can be easily discharged, and through the activated carbon plate, the discharged hot air can be filtered and purified.
[0029] The implementation principle of the polyvinyl chloride drying equipment embodiment is as follows: in use, the operator first pours the polyvinyl chloride particles to be dried into the feeding hopper 6, and then the particles enter the drying tank 2 through the feeding pipe 4; then the operator starts the universal motor 906 in the driving mechanism 9, the universal motor 906 drives the belt pulley two 908 to rotate, since the belt pulley two 908 is connected with the belt pulley one 905 through a belt, the belt pulley one 905 is driven to rotate, and then the main rotating rod 903 and the gear 904 rotate together, since the gear 904 is connected with the outer gear ring 8, the outer gear ring 8 drives the drying tank 2 to rotate, so that the polyvinyl chloride particles in the drying tank are turned over, at the same time of turning over of the particles, the operator starts the motor heat pipe and the fan in the air heating box 7, hot air enters the drying tank 2 to dry the turned-over particles, the inside of the drying tank 2 is provided with a plurality of guide plates, when the drying tank 2 rotates, the guide plates guide the polyvinyl chloride particles entering therein to move forward towards the direction of the discharge cover 10, and the dried particles are discharged through the discharge pipe 15;
[0030] At this time, the operator starts the air pump 11, so that the dry hot air in the drying tank 2 enters the circular heating shell 14 through the exhaust pipeline 12 and the U-shaped pipeline 13, the circular heating shell 14 performs heat preservation and heating on the drying tank 2, prevents the internal heat of the drying tank 2 from flowing out quickly, and further improves the drying efficiency. The device drives the drying tank 2 through the driving mechanism 9 to realize uniform turning of the polyvinyl chloride particles, cooperates with the blowing of the hot air, greatly improves the drying efficiency, and at the same time, the circular heating shell 14 can further maintain the temperature in the drying tank 2, ensures the improvement of the drying effect.
[0031] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A polyvinyl chloride drying apparatus comprising a bottom support (1), characterized in that: The top surface of the bottom support (1) is provided with a drying tank (2), the top surface of the bottom support (1) is provided with a limiting support mechanism (3) connected with the drying tank (2), the right end of the bottom support (1) is provided with a feeding cover (4), the top surface of the feeding cover (4) is provided with a feeding pipe (5) fixedly installed, the top end of the feeding pipe (5) is fixedly installed with a feeding hopper (6), the bottom end of the feeding pipe (5) extends to the inside of the drying tank (2), the side of the feeding cover (4) away from the drying tank (2) is fixedly installed with an air heating box (7), the drying tank (2) is fixedly installed with an outer gear ring (8) near the middle part, the top surface of the bottom support (1) is provided with a driving mechanism (9) connected with the outer gear ring (8), the left end of the drying tank (2) is provided with a discharging cover (10), one side of the discharging cover (10) is fixedly installed with an air pump (11), the air inlet end of the air pump (11) extends to the inside of the discharging cover (10), the air outlet end of the air pump (11) is fixedly installed with an exhaust pipe (12), one end of the exhaust pipe (12) away from the air pump (11) is fixedly installed with a U-shaped pipe (13), the outer surface of the drying tank (2) is provided with two circular heating housings (14), one end of the U-shaped pipe (13) is fixedly connected with the outer surface of the circular heating housing (14).
2. A polyvinyl chloride drying apparatus as claimed in claim 1, characterized in that: The driving mechanism (9) comprises a support frame (901), a bearing seat (902), a main rotating rod (903), a gear (904), a belt pulley I (905), a universal motor (906), a driving rod (907) and a belt pulley II (908), the top surface of the bottom support (1) is fixedly installed with the support frame (901), the top surface of the support frame (901) is fixedly installed with two bearing seats (902), the middle part of the bearing seat (902) is fixedly installed with the main rotating rod (903), the outer surface of the main rotating rod (903) is fixedly installed with the gear (904) corresponding to the outer gear ring (8), the gear (904) is engagedly connected with the outer gear ring (8), the outer surface of the main rotating rod (903) is fixedly installed with the belt pulley I (905), the inside bottom surface of the bottom support (1) is fixedly installed with the universal motor (906), the driving end of the universal motor (906) is fixedly installed with the driving rod (907), the outer surface of the driving rod (907) is fixedly installed with the belt pulley II (908), the belt pulley II (908) and the belt pulley I (905) are connected through a belt.
3. A polyvinyl chloride drying apparatus as claimed in claim 1, wherein: The limiting support mechanism (3) comprises a roller support (301), a limiting roller (302) and a connecting convex ring (303), the top surface of the bottom support (1) is fixedly installed with a plurality of roller supports (301) in pairs, the inside of the roller support (301) is rotatably connected with the limiting roller (302), the outer surface of the drying tank (2) is fixedly installed with the connecting convex ring (303) matched with the limiting roller (302).
4. A polyvinyl chloride drying apparatus as claimed in claim 1, wherein: The bottom surface of the discharge cover (10) is fixedly installed with the discharge pipe (15), and the outer surface of the discharge pipe (15) is fixedly installed with an electric control valve.
5. A polyvinyl chloride drying apparatus as claimed in claim 1, wherein: The outer surface of the circular heating shell (14) is fixedly installed with the waste gas discharge pipe (16), and the inside of the waste gas discharge pipe (16) is provided with an activated carbon plate.
6. A polyvinyl chloride drying apparatus as claimed in claim 1, characterized in that: The right side of the bottom support (1) is fixedly installed with a support (17), and one end of the support (17) is fixed with the outer surface of the feeding cover (4).