Polyester EG temperature control system
By designing a polyester EG temperature control system during the polyethylene glycol preparation process, the structure of the lifting support plate and the load-bearing plate is used to allow the polyethylene glycol to move longitudinally during drying, solving the local high temperature problem and realizing the polyethylene glycol temperature control system. Uniform heating and high-quality preparation of ethylene glycol.
Patent Information
- Application Number
- CN202411251422.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-07
- Publication Date
- 2025-01-24
AI Technical Summary
During the preparation process of polyethylene glycol, direct heating and drying can easily lead to local high temperatures, affecting the properties and use effects of polyethylene glycol.
A polyester EG temperature control system is designed. By lifting and lowering the two support plates in the box, and connecting the load-bearing plates with joint movement between the support plates, the polyethylene glycol can move longitudinally during drying, realizing the integration of the heat source and the polyethylene glycol. Uniform distribution of ethylene glycol.
Through the uniform heating of polyethylene glycol, the temperature difference across the polyethylene glycol is reduced, and the preparation quality and use effect of polyethylene glycol are improved.
Smart Images

Figure CN119356426A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of polyethylene glycol production, in particular to a polyester EG temperature control system. Background Art
[0002] Polyethylene glycol is a general term for ethylene glycol polymers containing α,ω-dihydroxyl groups. Polyethylene glycol is a high molecular polymer that is non-irritating, slightly bitter, has good water solubility, and has good compatibility with many organic components. It has excellent lubricity, moisture retention, dispersibility, and adhesion, and can be used as an antistatic agent and softener. It is widely used in cosmetics, pharmaceuticals, chemical fibers, rubber, plastics, papermaking, paints, electroplating, pesticides, metal processing, and food processing.
[0003] Generally, polyethylene glycol needs to be heated and dried during its preparation process. When heating and drying polyethylene glycol, a heating box is usually used for heating and drying. However, directly heating the heating box will easily form local high temperature at the heating position, which may easily cause the properties of polyethylene glycol to change, which is not conducive to practical use. Summary of the invention
[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a polyester EG temperature control system.
[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a polyester EG temperature control system, comprising a box body, the front side of the box body is movably connected to a box door, the outside of the box door is fixedly connected to a handle, a controller is fixed on the outside of the box door, the top surface of the box body passes through an air inlet, a heating element electrically connected to the controller is provided in the air inlet, two left-right symmetrical support plates are lifted and connected directly below the heating element, a bearing plate is movably connected between the two support plates, a groove is provided on the top surface of the bearing plate, and two left-right mirror-symmetrical driving members are horizontally connected to the front side of the bearing plate, the two driving members jointly fix a fixed plate, and the fixed plate is fixed between the two support plates.
[0006] As a further description of the above technical solution: the heating element includes a filter fixed in the air inlet, a heating wire electrically connected to the controller is provided below the filter, the heating wire is suspended and fixed in the air inlet, a fan for supplying air downward is provided below the heating wire, the fan is suspended and fixed in the air inlet, a temperature sensor electrically connected to the controller is horizontally provided directly below the fan, the temperature sensor is suspended and fixed to the top wall of the box through a support block, and the support block is fixed to the top wall of the box.
[0007] As a further description of the above technical solution: the driving member includes a chassis fixed on the rear side of the support plate, a driving motor is horizontally fixed on the outside of the chassis, the output end of the driving motor is transmission-connected to a rotating shaft, the end of the rotating shaft rotates through the chassis and is rotatably connected to the inner wall of the chassis, the outer edge of the rotating shaft is fixedly sleeved with a cam, the outer edge of the cam fits a push plate, the push plate is movably connected in the chassis, a push rod is horizontally fixed on the side of the push plate, the outer edge of the push rod is sleeved with a spring, the end of the push rod slides axially through the chassis, and is horizontally fixed on the front side of the supporting plate.
[0008] As a further description of the above technical solution: two mirror-symmetrical third sliding grooves are horizontally opened on the inner wall of the chassis, a third slider is slidably connected in each of the third sliding grooves, the third slider is fixedly connected to the push plate, and the driving motor is a low-speed rotating motor.
[0009] As a further description of the above technical solution: two mirror-symmetrical lifting motors are provided under each support plate, and each lifting motor is vertically fixed to the inner wall of the box body. The output end of each lifting motor is transmission-connected to a guide rod, and two guide rods are vertically fixed on the bottom surface of each support plate.
[0010] As a further description of the above technical solution: a first slide groove is horizontally opened on the opposite surfaces of the two support plates, a first slider is slidably connected in each of the first slide grooves, and the two first sliders are respectively fixed on both sides of the supporting plate; a second slide groove is vertically opened on the inner walls on both sides of the box body, a second slider is vertically slidably connected in each of the second slide grooves, and a second slider is fixed on the side of each support plate.
[0011] The present invention has the following beneficial effects:
[0012] Compared with the prior art, the polyester EG temperature control system connects two support plates by lifting and lowering in the box, and movably connects the carrying plate between the two support plates, so that the polyethylene glycol placed in the groove of the carrying plate can be continuously moved longitudinally during drying, so that the polyethylene glycol is heated evenly and the temperature difference of each part of the polyethylene glycol is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a three-dimensional diagram of the overall structure of a polyester EG temperature control system proposed by the present invention;
[0014] Figure 2 This is a top-sectional view of the overall structure of a polyester EG temperature control system proposed by the present invention;
[0015] Figure 3It is a side cross-sectional view of the overall structure of a polyester EG temperature control system proposed by the present invention;
[0016] Figure 4 This is a side sectional view of the internal structure of a chassis of a polyester EG temperature control system proposed by the present invention.
[0017] Legend:
[0018] 1. Box body; 2. Handle; 3. Box door; 4. Controller; 5. Air inlet; 6. Filter; 7. Support plate; 8. Loading plate; 9. Groove; 10. Push rod; 11. Chassis; 12. Fixed plate; 13. Drive motor; 14. First slide groove; 15. First slider; 16. Second slide groove; 17. Second slider; 18. Heating wire; 19. Fan; 20. Temperature sensor; 21. Guide rod; 22. Lifting motor; 23. Cam; 24. Rotating shaft; 25. Push plate; 26. Third slider; 27. Third slide groove; 28. Spring. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] Reference Figures 1 to 4 The present invention provides a polyester EG temperature control system: comprising a box body 1, a box door 3 movably connected to the front side of the box body 1, a handle 2 fixedly connected to the outside of the box door 3, a controller 4 fixed to the outside of the box door 3, an air inlet 5 passing through the top surface of the box body 1, a heating element electrically connected to the controller 4 is arranged in the air inlet 5, two left-right symmetrical support plates 7 are lifted and connected directly below the heating element, two mirror-symmetrical lifting motors 22 are arranged below each support plate 7, each lifting motor 22 is vertically fixed to the inner wall of the box body 1, the output end of each lifting motor 22 is respectively connected to a guide rod 21, two guide rods 21 are vertically fixed to the bottom surface of each support plate 7, and the two support plates 7 are connected to each other. A bearing plate 8 is movably connected between the two support plates 7, a groove 9 is provided on the top surface of the bearing plate 8, two mirror-symmetrical driving members are horizontally connected to the front side of the bearing plate 8, and the two driving members jointly fix a fixing plate 12, and the fixing plate 12 is fixed between the two support plates 7. A first sliding groove 14 is horizontally provided on the opposite sides of the two support plates 7, and a first sliding block 15 is slidably connected in each first sliding groove 14. The two first sliding blocks 15 are respectively fixed on both sides of the bearing plate 8, and a second sliding groove 16 is vertically provided on the inner walls of both sides of the box body 1, and a second sliding block 17 is vertically slidably connected in each second sliding groove 16, and a second sliding block 17 is fixed on the side of each support plate 7;
[0021] The driving member includes a chassis 11 fixed to the rear side of the support plate 7, a driving motor 13 is horizontally fixed on the outside of the chassis 11, the output end of the driving motor 13 is transmission-connected to a rotating shaft 24, the end of the rotating shaft 24 rotates through the chassis 11, and is rotatably connected to the inner wall of the chassis 11, the outer edge of the rotating shaft 24 is fixedly sleeved with a cam 23, the outer edge of the cam 23 fits a push plate 25, the push plate 25 is movably connected in the chassis 11, two mirror-symmetrical third sliding grooves 27 are horizontally provided on the inner wall of the chassis 11, each of the third sliding grooves 27 is slidably connected with a third slider 26, the third slider 26 is fixedly connected to the push plate 25, and the driving motor 13 is a low-speed rotating motor, the side of the push plate 25 is horizontally fixed with a push rod 10, the outer edge of the push rod 10 is sleeved with a spring 28, the end of the push rod 10 axially slides through the chassis 11, and is horizontally fixed to the front side of the bearing plate 8;
[0022] The heating element includes a filter 6 fixed in the air inlet 5, a heating wire 18 electrically connected to the controller 4 is provided below the filter 6, the heating wire 18 is suspended and fixed in the air inlet 5, a fan 19 for supplying air downward is provided below the heating wire 18, the fan 19 is suspended and fixed in the air inlet 5, a temperature sensor 20 electrically connected to the controller 4 is horizontally provided directly below the fan 19, the temperature sensor 20 is suspended and fixed to the top wall of the box body 1 through a support block, and the support block is fixed to the top wall of the box body 1.
[0023] By lifting and connecting two support plates 7 in the box body 1, and movably connecting the carrier plate 8 between the two support plates 7, the polyethylene glycol placed in the groove 9 of the carrier plate 8 is continuously moved longitudinally during drying, so that the polyethylene glycol is heated evenly, and the temperature difference of each part of the polyethylene glycol is reduced;
[0024] Working principle: When in use, first set the temperature inside the box 1, and then preheat the inside of the box 1 with the heating wire 18. When the temperature sensor 20 senses that the temperature inside the box 1 reaches the standard, open the box door 3, and place the uncovered container containing the polyethylene glycol to be dried in the groove 9 on the supporting plate 8. Then close the box door 3, and drive the supporting plate 8 to move up and down through the lifting motor 22 to adjust the distance between the polyethylene glycol and the heat source to achieve temperature adjustment of the polyethylene glycol during drying. Then, the driving motor 13 drives the supporting plate 8 to move back and forth slowly longitudinally through the cam 23, spring 28, rotating shaft 24, push plate 25 and push rod 10, so that every part of the polyethylene glycol in the groove 9 can be blown by hot air, so that the polyethylene glycol can be heated evenly when drying.
[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. 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 polyester EG temperature control system, comprising a box body (1), a box door (3) movably connected to the front side of the box body (1), a handle (2) fixedly connected to the outside of the box door (3), and a controller (4) fixed to the outside of the box door (3), characterized in that: The top surface of the box body (1) passes through an air inlet (5), and a heating element electrically connected to the controller (4) is arranged in the air inlet (5); two left-right symmetrical support plates (7) are connected to the heating element in a lifting manner directly below the heating element; a carrier plate (8) is movably connected between the two support plates (7); a groove (9) is provided on the top surface of the carrier plate (8); two left-right mirror-symmetrical driving elements are horizontally connected to the front side of the carrier plate (8); the two driving elements are jointly fixed to a fixing plate (12), and the fixing plate (12) is fixed between the two support plates (7).
2. A polyester EG temperature control system according to claim 1, characterized in that: The heating element comprises a filter (6) fixed in the air inlet (5); a heating wire (18) electrically connected to the controller (4) is provided below the filter (6); the heating wire (18) is suspended and fixed in the air inlet (5); a fan (19) for sending air downward is provided below the heating wire (18); the fan (19) is suspended and fixed in the air inlet (5); a temperature sensor (20) electrically connected to the controller (4) is provided horizontally directly below the fan (19); the temperature sensor (20) is suspended and fixed to the top wall of the box (1) through a support block; the support block is fixed to the top wall of the box (1).
3. A polyester EG temperature control system according to claim 1, characterized in that: The driving member comprises a chassis (11) fixed on the rear side of the support plate (7), a driving motor (13) is horizontally fixed on the outside of the chassis (11), the output end of the driving motor (13) is connected to a rotating shaft (24), the end of the rotating shaft (24) rotates through the chassis (11) and is rotatably connected to the inner wall of the chassis (11), the outer edge of the rotating shaft (24) is fixedly sleeved with a cam (23), the outer edge of the cam (23) is fitted with a push plate (25), the push plate (25) is movably connected in the chassis (11), the side of the push plate (25) is horizontally fixed with a push rod (10), the outer edge of the push rod (10) is sleeved with a spring (28), the end of the push rod (10) axially slides through the chassis (11) and is horizontally fixed to the front side of the supporting plate (8).
4. A polyester EG temperature control system according to claim 3, characterized in that: The inner wall of the chassis (11) is horizontally provided with two mirror-symmetrical third sliding grooves (27), each of the third sliding grooves (27) is slidably connected with a third slider (26), the third slider (26) is fixedly connected to the push plate (25), and the driving motor (13) is a low-speed rotating motor.
5. A polyester EG temperature control system according to claim 1, characterized in that: Two mirror-symmetrical lifting motors (22) are provided below each of the support plates (7); each of the lifting motors (22) is vertically fixed to the inner wall of the box body (1); the output end of each of the lifting motors (22) is transmission-connected to a guide rod (21); and two of the guide rods (21) are vertically fixed to the bottom surface of each of the support plates (7).
6. A polyester EG temperature control system according to claim 1, characterized in that: A first sliding groove (14) is horizontally formed on the opposite surfaces of the two support plates (7), and a first sliding block (15) is slidably connected in each of the first sliding grooves (14). The two first sliding blocks (15) are respectively fixed on the two sides of the bearing plate (8). A second sliding groove (16) is vertically formed on the inner walls of the two sides of the box body (1), and a second sliding block (17) is vertically slidably connected in each of the second sliding grooves (16). A second sliding block (17) is fixed on the side surface of each support plate (7).