Drying equipment for epoxy resin production

Abstract

The utility model provides drying equipment for epoxy resin production, which comprises a drying barrel, an air outlet pipe is arranged at the upper end of the drying barrel, an air inlet pipe is arranged at the lower end of the drying barrel, the air inlet pipe is communicated to an external compressor through a first pipeline, a heating device is arranged on the first pipeline, a screen is arranged on the drying barrel, and the screen is of a spiral structure. A discharging pipe is arranged at one end of the screen, and a feeding pipe is arranged at the other end of the screen. According to the drying equipment for epoxy resin production, compressed air can be blown into the drying barrel through the external compressor, the compressed air is heated through the thermal resistor, granular materials in the drying barrel are dried, water vapor on the granular materials is discharged through the air outlet pipe, the screen is of a spiral structure, and therefore the drying efficiency is improved. Drying paths can be provided as many as possible in a small space, so that the drying efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of epoxy resin production, in particular to a drying device for epoxy resin production. Background Art

[0002] Epoxy resin is a high molecular polymer, which refers to a class of polymers containing two or more epoxy groups in the molecule. It is the condensation product of epichlorohydrin and bisphenol A or polyols. Due to the chemical activity of the epoxy group, it can be opened with a variety of compounds containing active hydrogen, cured and cross-linked to form a network structure, so it is a thermosetting resin.

[0003] In the existing recycling technology of epoxy resin, the solid material of epoxy resin needs to be melted, then drawn, and cooled in a water tank to form a linear cylindrical structure. In order to facilitate storage and transportation, the linear cylindrical structure is usually die-cut into granules. Because the granules are cooled by water in the water tank during the process, there will be water residue in the die-cut granules. The seepage of water during packaging and transportation can easily cause pollution. In addition, due to the presence of water, there will be differences in packaging weight, affecting production quality. Summary of the invention

[0004] In view of this, the utility model aims to provide a drying device for epoxy resin production to solve the problem that the granular materials of epoxy resin die-cutting in the prior art will have water residue, which is easy to cause environmental pollution and the packaging weight is difficult to measure.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A drying device for producing epoxy resin comprises a drying barrel, an air outlet pipe is arranged at the upper end of the drying barrel, an air inlet pipe is arranged at the lower end of the drying barrel, and the air inlet pipe is connected to an external compressor through a first pipeline, a heating device is arranged on the first pipeline, a screen is arranged on the drying barrel, and the screen is in a spiral structure, a discharge pipe is arranged at one end of the screen, and a feed pipe is arranged at the other end of the screen.

[0007] Furthermore, a temperature sensor is arranged in the intake pipe, and the temperature sensor is used to detect the intake air temperature in the intake pipe.

[0008] Furthermore, a plurality of screens are arranged axially in the drying barrel, each screen is provided with a discharge pipe, and the topmost screen is connected to the feed pipe.

[0009] Furthermore, a blind groove is provided at the lower end of the air inlet pipe, and air inlet holes are evenly distributed on the side walls of the blind groove. The outer periphery of the air inlet pipe is connected to the inner side of the screen, and the outer side of the screen is connected to the inner wall of the drying barrel.

[0010] Furthermore, a collecting pipe is arranged at the lower end of the drying barrel, and the collecting pipe is a funnel-shaped structure, the inner circle of the lower end of the collecting pipe is fixedly connected to the periphery of the air inlet pipe, and a waste pipe is arranged on the collecting pipe, and a manual valve is arranged on the waste pipe.

[0011] Furthermore, a feed assembly is arranged in the feed pipe, and the feed assembly includes a motor, which is fixedly mounted to the outside of the feed pipe, a transmission shaft is installed on the output end of the motor, and the outer periphery of the transmission shaft is rotatably sleeved to the side wall of the feed pipe, and a plurality of arc-shaped feed petals are circumferentially mounted on the outer periphery of the transmission shaft, and each arc-shaped feed petal can be sealed and connected to the inner wall of the feed pipe.

[0012] Furthermore, a rubber pad is arranged on the periphery of the arc-shaped feed flap.

[0013] Furthermore, the air outlet pipe is connected to an external dust collector through a second pipeline.

[0014] Compared with the prior art, the drying equipment for epoxy resin production described in the utility model has the following beneficial effects:

[0015] (1) The utility model discloses a drying device for epoxy resin production, which can blow compressed air into a drying barrel through an external compressor, and the compressed air is heated by a thermal resistor to dry the granular material in the drying barrel. The water vapor on the granular material is discharged through an air outlet pipe, and the screen is arranged in a spiral structure, which can provide as many drying paths as possible in a small space, so as to improve the drying efficiency.

[0016] (2) The utility model discloses a drying device for epoxy resin production, in which a plurality of screens are arranged along the axial direction in the drying barrel. The plurality of screens can be arranged to screen the epoxy resin granules, thereby achieving the purpose of classifying the granules simultaneously during the drying process, thereby improving production efficiency and quality of finished products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic structural diagram of a drying device for epoxy resin production according to an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the screen described in the embodiment of the utility model;

[0020] Figure 3 It is a schematic structural diagram of the feeding assembly described in an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1-drying barrel; 2-exhaust pipe; 3-intake pipe; 31-intake hole; 4-discharge pipe; 5-feed pipe; 6-screen; 7-collection pipe; 8-waste discharge pipe; 9-feed assembly; 91-motor; 92-arc-shaped feed flap. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present invention, it should be noted that, 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0027] like Figure 1-Figure 3As shown, a drying device for epoxy resin production includes a drying barrel 1, an air outlet pipe 2 is arranged at the upper end of the drying barrel 1, an air inlet pipe 3 is arranged at the lower end of the drying barrel 1, and the air inlet pipe 3 is connected to an external compressor through a first pipe, a heating device is arranged on the first pipe, a screen 6 is arranged on the drying barrel 1, and the screen 6 is a spiral structure, a discharge pipe 4 is arranged at one end of the screen 6, and a feed pipe 5 is arranged at the other end of the screen 6, compressed air can be blown into the drying barrel 1 through the external compressor, and the compressed air is heated by a thermal resistor to complete the drying of the granular material in the drying barrel 1, and the water vapor on the granular material is discharged through the air outlet pipe 2, and the screen 6 is arranged in a spiral structure, which can provide as many drying paths as possible in a small space to improve the drying efficiency.

[0028] A temperature sensor is arranged in the intake pipe 3, and the temperature sensor is used to detect the intake air temperature in the intake pipe 3. The temperature sensor is a prior art, and the control method of this embodiment is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field, and the provision of power is also common knowledge in this field. This article is mainly used to protect mechanical devices. This article does not explain the control method and circuit connection in detail. The temperature sensor and the heating thermistor are both connected to the controller. In actual applications, the intake air temperature of the intake pipe 3 should not exceed 50 degrees Celsius to prevent softening of the epoxy resin and affect production quality.

[0029] A plurality of screens 6 are arranged axially in the drying barrel 1, each screen 6 is provided with a discharge pipe 4, and the screen 6 located at the top is connected to the feed pipe 5. The plurality of screens 6 can be arranged to screen the epoxy resin granules, so as to achieve the purpose of classifying the granules simultaneously during the drying process, thereby improving production efficiency and quality of finished products. In implementation, the inner diameter of the sieve holes of the top screen 6 is the largest, and the apertures of the plurality of screens 6 are gradually reduced, but sieve holes must be arranged on the screen 6 so that the compressed air can pass through the drying barrel 1.

[0030] like Figure 2 As shown, a blind groove is provided at the lower end of the air inlet pipe 3, and air inlet holes 31 are evenly distributed on the side walls of the blind groove. The periphery of the air inlet pipe 3 is connected to the inner side of the screen 6, and the outer side of the screen 6 is connected to the inner wall of the drying barrel 1. A collecting pipe 7 is provided at the lower end of the drying barrel 1, and the collecting pipe 7 is a funnel-shaped structure. The inner circle of the lower end of the collecting pipe 7 is fixedly connected to the periphery of the air inlet pipe 3, and a waste discharge pipe 8 is provided on the collecting pipe 7. A manual valve is provided on the waste discharge pipe 8. The collecting pipe 7 is used to collect air dust or epoxy resin dust waste. The air inlet holes 31 should not be provided on the section of the air inlet pipe 3 corresponding to the collecting pipe 7 to reduce the blowing of dust waste.

[0031] A feed assembly 9 is arranged in the feed pipe 5, and the feed assembly 9 includes a motor 91, which is fixedly installed on the outside of the feed pipe 5. A transmission shaft is installed on the output end of the motor 91, and the outer periphery of the transmission shaft is rotatably sleeved on the side wall of the feed pipe 5. A plurality of arc-shaped feed flaps 92 are circumferentially installed on the outer periphery of the transmission shaft, and each arc-shaped feed flap 92 can be sealed and connected to the inner side wall of the feed pipe 5. A rubber pad is arranged on the outer periphery of the arc-shaped feed flap 92. The motor 91 of this embodiment is a stepper motor 91, which can drive the arc-shaped feed flap 92 to rotate. The rotating arc-shaped feed pipe 5 can deliver the granular material in the feed pipe 5 into the barrel body, and the outer edge of the arc-shaped feed flap 92 contacts the side wall of the feed pipe 5, which can play a sealing role, prevent or reduce the partial discharge of compressed air therefrom, and in order to improve the working environment, the air outlet pipe 2 is connected to an external dust collector through a second pipe. This embodiment uses a bag dust collector, model HMC-I-48, which has been used to capture fine dust.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drying equipment for epoxy resin production, characterized in that: The invention comprises a drying barrel (1), wherein an air outlet pipe (2) is arranged at the upper end of the drying barrel (1), an air inlet pipe (3) is arranged at the lower end of the drying barrel (1), and the air inlet pipe (3) is connected to an external compressor through a first pipeline, a heating device is arranged on the first pipeline, a screen (6) is arranged on the drying barrel (1), and the screen (6) is in a spiral structure, a discharge pipe (4) is arranged at one end of the screen (6), and a feed pipe (5) is arranged at the other end of the screen (6).

2. A drying equipment for epoxy resin production according to claim 1, characterized in that: A plurality of screens (6) are arranged axially in the drying barrel (1), each screen (6) is provided with a discharge pipe (4), and the topmost screen (6) is connected to the feed pipe (5).

3. A drying equipment for epoxy resin production according to claim 1, characterized in that: A blind groove is provided at the lower end of the air inlet pipe (3), and air inlet holes (31) are evenly distributed on the side wall of the blind groove. The outer periphery of the air inlet pipe (3) is connected to the inner side of the screen (6), and the outer side of the screen (6) is connected to the inner wall of the drying barrel (1).

4. The drying equipment for epoxy resin production according to claim 1, characterized in that: A collecting pipe (7) is arranged at the lower end of the drying barrel (1), and the collecting pipe (7) is in a funnel-shaped structure. The inner circle of the lower end of the collecting pipe (7) is fixedly connected to the periphery of the air inlet pipe (3), and a waste discharge pipe (8) is arranged on the collecting pipe (7), and a manual valve is arranged on the waste discharge pipe (8).

5. The drying equipment for epoxy resin production according to claim 1, characterized in that: A feed assembly (9) is arranged inside the feed pipe (5), and the feed assembly (9) comprises a motor (91), the motor (91) is fixedly mounted to the outside of the feed pipe (5), a transmission shaft is mounted on the output end of the motor (91), and the outer periphery of the transmission shaft is rotatably sleeved to the side wall of the feed pipe (5), a plurality of arc-shaped feed flaps (92) are circumferentially mounted on the outer periphery of the transmission shaft, and each arc-shaped feed flap (92) can be sealed and connected to the inner side wall of the feed pipe (5).

6. A drying equipment for epoxy resin production according to claim 5, characterized in that: A rubber pad is arranged on the periphery of the arc-shaped feed flap (92).

7. The drying equipment for epoxy resin production according to claim 1, characterized in that: The air outlet pipe (2) is connected to an external dust collector through a second pipeline.

8. The drying equipment for epoxy resin production according to claim 1, characterized in that: A temperature sensor is arranged in the air intake pipe (3), and the temperature sensor is used to detect the intake air temperature in the air intake pipe (3).

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