Drying oven for modified polyphenyl ether foamed beads
By adopting the direct heating and stirring leaf design method in the modified polysenol foamed bead drying equipment, the problems of low heat conduction efficiency and uneven heat receiving of beads in the existing equipment are solved, and an efficient and uniform drying process is achieved.
Patent Information
- Application Number
- CN202422249323.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-13
AI Technical Summary
The existing modified polysenol foamed bead drying equipment has low heat conduction efficiency, resulting in uneven heat absorption of beads, prone to agglomeration or adhesion, affecting the drying quality.
A drying oven for modified polystyrene alcohol foam beads is designed. The gas is heated through an electric heating tube and sent directly into the round box, in contact with the beads, and the heating efficiency is high. At the same time, the beads are rotated and turned by the design of the stirring leaf to achieve uniform heating.
It significantly shortens the drying time, improves the heat conduction efficiency, ensures that the beads are heated evenly, prevents clumping or adhesion, and improves the drying quality.
Smart Images
Figure CN223013637U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of modified polyphenylene ether foamed beads, and specifically relates to a drying oven for modified polyphenylene ether foamed beads. Background Art
[0002] Before the production of modified polyphenylene ether foamed beads, drying treatment is required to remove the moisture inside or on the surface thereof, so as to improve the stability and processing performance of the product, and avoid a large number of factors such as a reduction in the foaming ratio and an influence on the closed cell rate during use.
[0003] For the problems of low heat conduction efficiency and uneven heating of beads in the existing indirect heating and non-stirring operation mode for drying modified polyphenylene ether foamed beads, a drying oven for modified polyphenylene ether foamed beads is proposed. The heating air is in direct contact with the modified polyphenylene ether foamed beads, the heating method has high efficiency, can significantly shorten the drying time, can drive the rotation and turning of the beads, helps the beads to be heated evenly, prevents the beads from caking or sticking during the drying process, and improves the drying quality. Summary of the Utility Model
[0004] Aiming at the problems in the prior art, the utility model provides a drying oven for modified polyphenylene ether foamed beads, which enables the heating air to be in direct contact with the modified polyphenylene ether foamed beads. The heating method has high efficiency, can significantly shorten the drying time, can drive the rotation and turning of the beads, helps the beads to be heated evenly, prevents the beads from caking or sticking during the drying process, and improves the drying quality.
[0005] The technical solution adopted by the utility model to solve its technical problems is a drying oven for modified polyphenylene ether foamed beads, which includes a circular box and a gas supply and mixing mechanism arranged inside the circular box. A motor is installed at the center of the top of the circular box, and the driving end of the motor is connected to the gas supply and mixing mechanism. An air pump is arranged at the bottom of one side of the circular box, and the exhaust end of the air pump is connected to an exhaust pipe. An electric heating tube is arranged on the inner wall of the exhaust pipe;
[0006] One side of the top of the circular box is connected with an exhaust valve.
[0007] By adopting the above technical solution, a set of stirring type drying oven structure is realized through the components composed of the circular box, the gas supply and mixing mechanism, the air pump, the exhaust pipe and the electric heating tube, so that the modified polyphenylene ether foamed beads can be stirred while being dried, thereby improving the drying effect of the modified polyphenylene ether foamed beads.
[0008] Specifically, the gas supply and mixing mechanism includes a rotating rod and a stainless steel pipe connected to the bottom of the rotating rod. The driving end of the motor is connected to the rotating shaft of the rotating rod through a coupling. Stirring blades are connected to the outer periphery of the stainless steel pipe. The stirring blades are formed by bending square pipes, and the stirring blades communicate with the inner cavity of the stainless steel pipe;
[0009] The bottom end of the stainless steel pipe is rotatably connected to the bottom of the round box through a sealed bearing, and the bottom end of the stainless steel pipe penetrates through the round box and is equipped with a rotary joint.
[0010] By adopting the above technical solution, the rotating rod is driven by the motor, and the stainless steel pipe is connected to the bottom of the rotating rod, serving as a gas channel and a stirring main shaft.
[0011] Specifically, a plurality of groups of air ports for exhausting air are opened on the bottom surface of the stirring blade, and one-way valves are installed in the air ports.
[0012] By adopting the above technical solution, a plurality of groups of air ports are opened at the bottom of the stirring blade, and one-way valves are installed in each air port to ensure that the gas is ejected unidirectionally, enhancing the stirring effect.
[0013] Specifically, the exhaust end of the exhaust pipe is connected to the rotary joint through a flange.
[0014] By adopting the above technical solution, the bottom of the stainless steel pipe penetrates through the round box and then installs a rotary joint to connect the exhaust pipe, realizing the continuous supply of gas in a rotating state.
[0015] Specifically, a feed door is installed on one side of the top of the round box away from the exhaust valve through a hinge, a discharge door is installed on the bottom of one side of the exhaust valve through a hinge, and the feed door and the discharge door are closed with the round box through metal buckles.
[0016] The beneficial effects of the present utility model: The gas is heated by the electric heating tube and directly sent into the interior of the round box, directly contacting the modified polyphenylene ether foamed beads, realizing rapid heating and drying. This direct heating method is more efficient than the traditional indirect heating method, can significantly shorten the drying time. The design of the stirring blade enables the gas to drive the rotation and tumbling of the beads while ejecting, thus realizing all-round stirring. This stirring method not only helps the beads to be heated evenly, but also prevents the beads from caking or sticking during the drying process, improving the drying quality, and solving the problems of low heat conduction efficiency in the existing indirect heating and non-stirring drying operation methods for modified polyphenylene ether foamed beads, as well as uneven heating of the beads. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present utility model will be further described below with reference to the drawings and embodiments.
[0018] Figure 1 It is the overall intention of the present utility model;
[0019] Figure 2 It is a schematic diagram of the air supply and mixing mechanism of the present utility model;
[0020] Figure 3 It is of the present utility model Figure 2Enlarged schematic diagram at position A in [the figure];
[0021] Figure 4 Partial cross-sectional schematic diagram of the exhaust pipe of the present utility model;
[0022] In the figure: 1, circular box; 2, feed door; 3, discharge door; 4, metal buckle; 5, air pump; 6, exhaust pipe; 61, electric heating tube; 7, exhaust valve; 8, motor; 81, rotating rod; 82, stainless steel pipe; 83, rotary joint; 84, stirring blade; 85, air port; 86, one-way valve. Specific embodiments
[0023] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] In order to improve the drying effect of modified polyphenylene ether foamed beads, as Figures 1-4 shown, a drying oven for modified polyphenylene ether foamed beads according to the present utility model includes a circular box 1 and a gas supply and mixing mechanism arranged inside the circular box 1. A motor 8 is installed at the center of the top of the circular box 1, and the driving end of the motor 8 is connected to the gas supply and mixing mechanism. An air pump 5 is arranged at the bottom of one side of the circular box 1, and the exhaust end of the air pump 5 is connected to an exhaust pipe 6 for use. The inner wall of the exhaust pipe 6 is provided with an electric heating tube 61;
[0025] One side of the top of the circular box 1 is connected with an exhaust valve 7.
[0026] During use, through the circular box 1, the gas supply and mixing mechanism, the air pump 5, the exhaust pipe 6 and the electric heating tube 61, a stirring-type drying oven structure is provided for the processing of modified polyphenylene ether foamed beads, so that the modified polyphenylene ether foamed beads can be stirred while being dried, thereby improving the drying effect of the modified polyphenylene ether foamed beads;
[0027] Among them, the inner wall of the exhaust pipe 6 is provided with an electric heating tube 61 for heating the gas. The exhaust end of the exhaust pipe 6 is connected to the rotary joint 83 through a flange to ensure that the gas smoothly enters the gas supply and mixing mechanism;
[0028] The exhaust valve 7 is installed on one side of the top of the circular box 1 for adjusting the pressure in the oven and discharging the excess gas to ensure the stability of the environment in the oven.
[0029] The present utility model further includes that the gas supply and mixing mechanism includes a rotating rod 81 and a stainless steel pipe 82 connected to the bottom of the rotating rod 81. The driving end of the motor 8 is connected to the rotating shaft of the rotating rod 81 through a coupling. The outer circumference of the stainless steel pipe 82 is connected with a stirring blade 84. The stirring blade 84 is formed by bending a square pipe, and the stirring blade 84 communicates with the inner cavity of the stainless steel pipe 82;
[0030] The bottom end of the stainless steel pipe 82 is rotatably connected to the bottom of the round box 1 through a sealed bearing, and a rotary joint 83 is installed at the bottom end of the stainless steel pipe 82 passing through the round box 1.
[0031] During use, the motor 8 drives the rotating rod 81 to rotate, and the rotating shaft of the rotating rod 81 is connected to the output shaft of the motor through a coupling to ensure stable rotation. The stainless steel pipe 82 is connected to the bottom of the rotating rod 81 and serves as a gas passage and a stirring main shaft. Its bottom is connected to the bottom of the round box 1 through a sealed bearing to ensure airtightness and smooth rotation. The stirring blades 84 are formed by bending square pipes and are welded to the outer periphery of the stainless steel pipe 82 to form multiple stirring fan surfaces. The inside of the stirring blades is communicated with the inner cavity of the stainless steel pipe 82 to facilitate gas circulation.
[0032] The present utility model further includes that a plurality of groups of air ports 85 for exhausting gas are opened on the bottom surface of the stirring blade 84, and a one-way valve 86 is installed in the air port 85.
[0033] During use, by opening a plurality of groups of air ports 85 at the bottom of the stirring blade 84 and installing a one-way valve 86 in each air port, it is ensured that the gas is ejected unidirectionally, enhancing the stirring effect.
[0034] The present utility model further includes that the exhaust end of the exhaust pipe 6 is connected to the rotary joint 83 through a flange.
[0035] During use, by passing the bottom of the stainless steel pipe 82 through the round box 1 and then installing the rotary joint 83 and connecting the exhaust pipe 6, continuous supply of gas in a rotating state is achieved.
[0036] The present utility model further includes that a feed door 2 is installed on one side of the top of the round box 1 away from the exhaust valve 7 through a hinge, a discharge door 3 is installed on the bottom of one side of the exhaust valve 7 through a hinge, and the feed door 2 and the discharge door 3 are closed with the round box 1 through a metal buckle 4.
[0037] During use, feeding and discharging of the material in the round box 1 are realized through the feed door 2 and the discharge door 3.
[0038] When the present utility model is in use, the feed door 2 is opened, and the modified polyphenylene ether foamed beads are put into the round box 1. The feed door 2 is closed, the motor 8 and the air pump 5 are started. The air pump 5 supplies gas to the exhaust pipe 6. At the same time, the electric heating tube 61 is turned on to heat the gas passing through the exhaust pipe 6. The gas enters the rotary joint 83 through the exhaust pipe 6 and is ejected through the air ports 85 in the stirring blade 84. At the same time, the stirring blade 84 rotates to stir the beads, achieving the dual effects of drying and stirring. After drying is completed, the motor 8 and the air pump 5 are turned off, the discharge door 3 is opened, and the dried beads are discharged, thereby improving the drying efficiency and meeting the drying and processing requirements of the modified polyphenylene ether foamed beads.
[0039] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A drying oven for modified polyphenylene ether foamed beads, characterized in that: It comprises a round box (1) and an air supply and mixing mechanism arranged in the round box (1), a motor (8) is installed at the center of the top of the round box (1), the driving end of the motor (8) is connected to the air supply and mixing mechanism, an air pump (5) is arranged at the bottom of one side of the round box (1), the exhaust end of the air pump (5) is connected to an exhaust pipe (6), and the inner wall of the exhaust pipe (6) is provided with an electric heating pipe (61); An exhaust valve (7) is connected to one side of the top of the round box (1).
2. A drying oven for modified polyphenylene ether foamed beads according to claim 1, characterized in that: The air supply mixing mechanism comprises a rotating rod (81) and a stainless steel pipe (82) connected to the bottom of the rotating rod (81); the driving end of the motor (8) is connected to the rotating shaft of the rotating rod (81) through a coupling; a stirring blade (84) is connected to the outer periphery of the stainless steel pipe (82); the stirring blade (84) is formed by bending a square pipe; and the stirring blade (84) is in communication with the inner cavity of the stainless steel pipe (82); The bottom end of the stainless steel pipe (82) is rotatably connected to the bottom of the round box (1) via a sealed bearing, and the bottom end of the stainless steel pipe (82) passes through the round box (1) and is equipped with a rotary joint (83).
3. A drying oven for modified polyphenylene ether foamed beads according to claim 2, characterized in that: The bottom surface of the stirring blade (84) is provided with a plurality of gas ports (85) for exhausting gas, and a one-way valve (86) is installed in the gas port (85).
4. A drying oven for modified polyphenylene ether foamed beads according to claim 3, characterized in that: The exhaust end of the exhaust pipe (6) is connected to the rotary joint (83) via a flange.
5. A drying oven for modified polyphenylene ether foamed beads according to claim 4, characterized in that: A feeding door (2) is installed via a hinge on the side of the top of the round box (1) away from the exhaust valve (7), and a discharging door (3) is installed via a hinge on the bottom of one side of the exhaust valve (7). The feeding door (2) and the discharging door (3) are closed to the round box (1) via a metal buckle (4).