Heating device for bio-based polyester particles

Abstract

The utility model relates to the technical field of bio-based polyester particle production, and discloses a heating device for bio-based polyester particles, which comprises an outer cylinder, a sealing door is arranged in the middle of the outer cylinder, a condensing box is fixedly assembled on the outer wall of the outer cylinder, a connecting pipe penetrates through the outer wall of the outer cylinder, a gas conveying pipe is fixedly sleeved on the inner wall of the connecting pipe, and a gas outlet pipe is fixedly sleeved on the gas conveying pipe. And an air return pipe penetrates through the outer wall of the condensing box. Through the arrangement of an outer cylinder, a motor, a controller, a weighing hopper, a weighing spring, an electromagnetic valve and a straight rod structure, in the using process of the device, an operator can directly place particles into the weighing hopper, so that the weight of the weighing hopper is increased, and the weighing spring is pressed to weigh the added particles; in this way, it is guaranteed that the weights of particles added by an operator before and after are more uniform, the situation that too many or too few particles exist is avoided, and the heating effect of the device on the particles is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biological base polyester granule production, specifically to a heating device for biological base polyester granule. BACKGROUND

[0002] The granule processed from polyester raw material is polyester granule, and in order to prolong the storage time of the biological base polyester granule, the heating and dehumidifying operation needs to be carried out after the processing of the polyester product is completed, so a heating device needs to be used.

[0003] The existing heating device can heat in the use process, but the existing heating device does not have a mechanism for weighing the granule, so when the granule is added for drying, the operator's experience is completely relied on to add the granule, which can easily cause uneven and non-uniform addition, thereby causing the granule to be easily accumulated in the heating process and reducing the heating effect of the existing heating device on the granule, therefore, the utility model provides a heating device for biological base polyester granule. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a heating device for biological base polyester granule, which has the advantages of weighing the granule, adding the granule more uniformly, having good drying effect, recycling waste heat, and high energy utilization rate, and solves the problems raised in the above background art.

[0005] The utility model provides the following technical scheme: a heating device for biological base polyester granule, including the outer tube, the middle part of outer tube is equipped with the sealed door, the outer wall of outer tube is fixedly assembled with the condensing box, the outer wall of outer tube is penetrated with the connecting pipe, the inner wall of connecting pipe is fixedly sleeved with the gas conveying pipe, the outer wall of condensing box is penetrated with the back gas pipe, the one end of outer tube is penetrated with the feeding pipe away from condensing box, the inner wall of feeding pipe is equipped with the installation groove, the inner wall of installation groove is fixedly assembled with the straight rod, the outer wall of straight rod is sleeved with the weighing spring, the top end of weighing spring is in contact with the weighing hopper, the inner wall of weighing hopper is equipped with the electromagnetic valve, the bottom of installation groove inner wall is fixedly assembled with the pressure sensor, the top end of feeding pipe is equipped with the hand valve, the one end of outer tube is fixedly assembled with motor close to hand valve, the output shaft of motor is fixedly assembled with the rotating disc, the outer wall of rotating disc is fixedly assembled with the connecting rod, the tail end of connecting rod is fixedly assembled with the rotating drum, the outer wall of rotating disc is rotatably connected with the connecting ring, the outer wall of connecting ring is equipped with the round hole, the inner wall of outer tube is fixedly assembled with the heating pipe, the inner wall of connecting pipe is fixedly assembled with the cross rod, the outer wall of cross rod is sleeved with the reset spring, the outer wall of reset spring is in contact with the moving disc, the outer wall of moving disc is assembled with the piston, the outer wall of outer tube is respectively fixedly assembled with the air pressure sensor and controller.

[0006] As a preferred technical scheme of the utility model: the outer wall of the weighing hopper and the inner wall of the feed pipe are slidably connected, and the electromagnetic valve and the pressure sensor are electrically connected with the controller, and the diameter of the electromagnetic valve is matched with the diameter of the feed pipe.

[0007] As a preferred technical scheme of the utility model: the outer wall of the rotating drum is rotatably connected with the inner wall of the outer cylinder, and the inner wall of the rotating drum is rotatably connected with the outer wall of the connecting ring.

[0008] As a preferred technical scheme of the utility model: the number of the sealing doors is two, one of the sealing doors is arranged on the outer wall of the outer cylinder, and the other sealing door is arranged on the outer wall of the rotating drum.

[0009] As a preferred technical scheme of the utility model: the inner wall of the round hole is fixedly assembled with the outer wall of the feed pipe, and the motor is electrically connected with the controller.

[0010] As a preferred technical scheme of the utility model: the outer wall of the piston is slidably connected with the inner wall of the connecting pipe, and the outer wall of the moving disc is slidably connected with the inner wall of the connecting pipe, and a 1cm gap is arranged between the inner wall of the gas conveying pipe and the piston.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、The heating device for bio-based polyester particles, through the setting of the outer cylinder, motor, controller, weighing hopper, weighing spring, electromagnetic valve, weighing spring, straight rod structure, so that the device in the use process, the operator can directly put the particles into the weighing hopper, so that the weighing hopper weight increases and the weighing spring is compressed to weigh the added particles, so as to ensure that the weight of the particles added by the operator is more uniform, avoiding the situation that the particles are too much or too little, thereby improving the heating effect of the device on the particles.

[0013] 2、The heating device for bio-based polyester particles, through the setting of the condensing box, gas conveying pipe, gas return pipe, heating pipe, piston, connecting pipe structure, in the heating process, the characteristics of the internal gas pressure of the outer cylinder due to the thermal expansion of the gas are used to push the piston to move, so that the piston moves away from the inner wall of the connecting pipe and moves into the gas conveying pipe, so that the excess high-temperature gas enters the condensing box for waste heat recovery operation, realizing the effect of waste heat recovery, and thereby improving the utilization rate of energy of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a side view structure schematic view of the utility model;

[0016] Figure 3A schematic diagram of a side profile structure of the utility model;

[0017] Figure 4 A schematic diagram of a round hole structure of the utility model Figure 3 A schematic diagram of an enlarged structure at A in the middle;

[0018] Figure 5 A schematic diagram of a round hole structure of the utility model

[0019] Figure 6 A schematic diagram of a rotary disc structure of the utility model.

[0020] In the figure: 1, outer cylinder; 2, sealing door; 3, condensing box; 4, gas conveying pipe; 5, gas return pipe; 6, connecting pipe; 7, feeding pipe; 8, hand valve; 9, air pressure sensor; 10, motor; 11, controller; 12, rotary drum; 13, connecting ring; 14, rotary disc; 15, heating pipe; 16, reset spring; 17, moving disc; 18, piston; 19, mounting groove; 20, straight rod; 21, weighing spring; 22, weighing hopper; 23, electromagnetic valve; 24, pressure sensor; 25, round hole; 26, connecting rod; 27, cross rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-6The application discloses a heating device for bio-based polyester particles, which comprises an outer cylinder 1, a sealing door 2 arranged in the middle of the outer cylinder 1, a condensing box 3 fixedly arranged on the outer wall of the outer cylinder 1, a connecting pipe 6 penetrating through the outer wall of the outer cylinder 1, a gas conveying pipe 4 fixedly sleeved on the inner wall of the connecting pipe 6, a gas return pipe 5 penetrating through the outer wall of the condensing box 3, a feeding pipe 7 penetrating through one end of the outer cylinder 1 away from the condensing box 3, an installation groove 19 formed in the inner wall of the feeding pipe 7, a straight rod 20 fixedly arranged on the inner wall of the installation groove 19, a weighing spring 21 sleeved on the outer wall of the straight rod 20, a weighing hopper 22 abutting against the top end of the weighing spring 21, an electromagnetic valve 23 arranged on the inner wall of the weighing hopper 22, a pressure sensor 24 fixedly arranged on the bottom of the inner wall of the installation groove 19, a hand valve 8 arranged on the top end of the feeding pipe 7, a motor 10 fixedly arranged on one end of the outer cylinder 1 close to the hand valve 8, a rotating disc 14 fixedly arranged on the output shaft of the motor 10, a connecting rod 26 fixedly arranged on the outer wall of the rotating disc 14, a rotating cylinder 12 fixedly arranged on the end of the connecting rod 26, a connecting ring 13 rotatably connected to the outer wall of the rotating disc 14, a circular hole 25 formed in the outer wall of the connecting ring 13, a heating pipe 15 fixedly arranged on the inner wall of the outer cylinder 1, a cross rod 27 fixedly arranged on the inner wall of the connecting pipe 6, a reset spring 16 sleeved on the outer wall of the cross rod 27, a moving disc 17 abutting against the outer wall of the reset spring 16, a piston 18 arranged on the outer wall of the moving disc 17, and a gas pressure sensor 9 and a controller 11 fixedly arranged on the outer wall of the outer cylinder 1 respectively.

[0023] In the above structure, the outer cylinder 1, the sealing door 2, the condensing box 3, the gas conveying pipe 4, the gas return pipe 5, the connecting pipe 6, the feeding pipe 7, the hand valve 8, the installation groove 19, the straight rod 20, the weighing spring 21, the weighing hopper 22, the electromagnetic valve 23 and the pressure sensor 24 are arranged, so that the operator can add bio-based polyester particles into the weighing hopper 22 through the opening of the hand valve 8 during the operation of the device, the weighing hopper 22 can weigh the particles, the user can quantitatively add materials into the device, the device can avoid adding too much material at one time and affect the heating and drying effect of the device, and the practicability of the device is improved.

[0024] In a preferred embodiment, the outer wall of the weighing hopper 22 is slidably connected to the inner wall of the feeding pipe 7, the electromagnetic valve 23 and the pressure sensor 24 are electrically connected to the controller 11, and the diameter of the electromagnetic valve 23 is matched with the diameter of the feeding pipe 7.

[0025] In the above structure, the weighing hopper 22 and the electromagnetic valve 23 are arranged, the device can be controlled by the controller 11 through the weighing operation and the sensing of the weight by the pressure sensor 24 after the weighing operation is completed, the particles after weighing can be discharged into the rotating cylinder 12 through the feeding pipe 7, the effect of automatically discharging materials is achieved, and the automation of the device is improved.

[0026] In a preferred implementation: the outer wall of the rotating drum 12 is rotationally connected with the inner wall of the outer cylinder 1, and the inner wall of the rotating drum 12 is rotationally connected with the outer wall of the connecting ring 13.

[0027] In the above structure, the rotating drum 12 is driven to rotate by the motor 10, so that the particles inside the rotating drum 12 are turned over, thereby ensuring that the heating area of the particles is more uniform, and thereby improving the heating and drying effect of the device on the particles.

[0028] In a preferred implementation: the number of sealing doors 2 is two, one sealing door 2 is arranged on the outer wall of the outer cylinder 1, and the other sealing door 2 is arranged on the outer wall of the rotating drum 12.

[0029] In the above structure, the sealing door 2 is arranged, so that after the device is used for drying the particles, the user can open the two sealing doors 2 to recover the heated particles, thereby facilitating the user to clean the inside of the device, and thereby ensuring that the subsequent use of the device will not be affected.

[0030] In a preferred implementation: the inner wall of the circular hole 25 is fixedly assembled with the outer wall of the feeding pipe 7, and the motor 10 is electrically connected with the controller 11.

[0031] In the above structure, the circular hole 25 is arranged, so that the feeding pipe 7 can be in communication with the inside of the rotating drum 12 after being fixed by the circular hole 25, and the rotating connection between the connecting ring 13 and the rotating disc 14 ensures that the feeding pipe 7 will not interfere with the rotation of the rotating drum 12, thereby ensuring the normal operation of the device.

[0032] In a preferred implementation: the outer wall of the piston 18 is slidingly connected with the inner wall of the connecting pipe 6, the outer wall of the moving disc 17 is slidingly connected with the inner wall of the connecting pipe 6, and a 1cm gap is arranged between the inner wall of the gas conveying pipe 4 and the piston 18.

[0033] In the above structure, the piston 18 and the gas conveying pipe 4 are arranged, when the air pressure inside the outer cylinder 1 increases due to the expansion of the air caused by the heating, the piston 18 and the moving disc 17 are pushed to move together by the pushing force generated by the air pressure, so that the piston 18 moves to a state of being separated from the connecting pipe 6, so that the gap between the piston 18 and the gas conveying pipe 4 can discharge the excess gas, and the conveying function of the gas conveying pipe 4 can make the heated gas enter the condenser 3 to perform waste heat recovery operation, thereby improving the energy utilization rate of the device and reducing the use cost of the device.

[0034] Working principle: first, the user will be assembled after the device is completed, can be directly through the feeding pipe 7 on the inside of the rotary drum 12 to add material work, and in the additive particles in the hopper 22 accumulation, so that the hopper 22 weight increases and compression weighing spring 21, so as to cooperate with pressure sensor 24 and solenoid valve 23 to the weight of the particles to weigh work, avoid excessive particles and affect the heating effect, and thus guarantee the device on the heating effect of the particles, the particles after weighing through the opening of solenoid valve 23 into the rotary drum 12, using the operation of motor 10 to drive rotary drum 12 rotation, so as to guarantee the heating area of the particles is more uniform, in the heating process, the excess high temperature gas through the gap between piston 18 and gas pipe 4 into the condenser 3 heat recovery work, and thus realize the effect of waste heat recovery, improve the utilization rate of energy of the device, reduce the cost of using the device.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A heating device for bio-based polyester granules, comprising an outer cylinder (1), characterized in that: The outer cylinder (1) is provided with a sealing door (2) in the middle. A condenser box (3) is fixedly installed on the outer wall of the outer cylinder (1). A connecting pipe (6) passes through the outer wall of the outer cylinder (1). A gas supply pipe (4) is fixedly sleeved on the inner wall of the connecting pipe (6). A return gas pipe (5) passes through the outer wall of the condenser box (3). A feed pipe (7) passes through the end of the outer cylinder (1) away from the condenser box (3). An installation groove (19) is opened on the inner wall of the feed pipe (7). A straight rod (20) is fixedly installed on the inner wall of the installation groove (19). A weighing spring (21) is sleeved on the outer wall of the straight rod (20). The top of the weighing spring (21) abuts against a weighing hopper (22). A solenoid valve (23) is provided on the inner wall of the weighing hopper (22). A pressure sensor (24) is fixedly installed on the bottom of the inner wall of the installation groove (19). A manual valve (8) is provided on the top of the feed pipe (7). A motor (10) is fixedly mounted on one end of the outer cylinder (1) near the manual valve (8). A turntable (14) is fixedly mounted on the output shaft of the motor (10). A connecting rod (26) is fixedly mounted on the outer wall of the turntable (14). A rotating cylinder (12) is fixedly mounted on the end of the connecting rod (26). A connecting ring (13) is rotatably connected to the outer wall of the turntable (14). A round hole (25) is opened on the outer wall of the connecting ring (13). A heating tube (15) is fixedly mounted on the inner wall of the outer cylinder (1). A crossbar (27) is fixedly mounted on the inner wall of the connecting tube (6). A return spring (16) is sleeved on the outer wall of the crossbar (27). A moving disc (17) is abutted on the outer wall of the return spring (16). A piston (18) is mounted on the outer wall of the moving disc (17). A pressure sensor (9) and a controller (11) are fixedly mounted on the outer wall of the outer cylinder (1).

2. The heating device for bio-based polyester particles according to claim 1, characterized in that: The outer wall of the weighing hopper (22) is slidably connected to the inner wall of the feed pipe (7), and the solenoid valve (23) and the pressure sensor (24) are both electrically connected to the controller (11). The diameter of the solenoid valve (23) is adapted to the diameter of the feed pipe (7).

3. The heating device for bio-based polyester particles according to claim 1, characterized in that: The outer wall of the rotating cylinder (12) is rotatably connected to the inner wall of the outer cylinder (1), and the inner wall of the rotating cylinder (12) is rotatably connected to the outer wall of the connecting ring (13).

4. The heating device for bio-based polyester particles according to claim 1, characterized in that: There are two sealing doors (2), one of which is located on the outer wall of the outer cylinder (1), and the other is located on the outer wall of the rotating cylinder (12).

5. The heating device for bio-based polyester particles according to claim 1, characterized in that: The inner wall of the circular hole (25) is fixedly assembled with the outer wall of the feed pipe (7), and the motor (10) is electrically connected to the controller (11).

6. The heating device for bio-based polyester particles according to claim 1, characterized in that: The outer wall of the piston (18) is slidably connected to the inner wall of the connecting pipe (6), and the outer wall of the moving disk (17) is slidably connected to the inner wall of the connecting pipe (6). A 1cm gap is provided between the inner wall of the gas supply pipe (4) and the piston (18).

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