Adding device of dimethyl adipate esterification catalyst

Abstract

The utility model discloses a dimethyl adipate esterification catalyst adding device which comprises a storage box, the upper surface of the rear wall of the storage box is rotatably connected with a cover plate, the lower surface of the storage box is fixedly connected with a multifunctional butt joint pipe, a mounting frame is arranged in the storage box, and the upper surface of the mounting frame is fixedly connected with a catalyst supply box. A flow guide mechanism is fixedly connected to the lower surface of the catalyst supply box, two automatic telescopic ejector rods are fixedly connected to the lower surface of the catalyst supply box, the lower ends of the automatic telescopic ejector rods are fixedly connected with the flow guide mechanism, an automatic telescopic pull rod is fixedly connected to the right inner wall of the storage box, and a rubber plate is fixedly connected to the left end of the automatic telescopic pull rod. The left end of the rubber plate is clamped to the mounting frame, a groove is formed in the lower surface of the rubber plate, and the side surface of the upper end of the multifunctional butt joint pipe makes close contact with the inner wall of the groove. And important parts of the device can be conveniently cleaned at any time.

Description

Technical Field

[0001] The utility model relates to the technical field of catalyst adding devices, in particular to a catalyst adding device for esterification of dimethyl adipate. Background Art

[0002] In the esterification process of dimethyl diacid, it is necessary to add appropriate catalyst to assist the esterification efficiency of dimethyl diacid. The practicality of general catalyst adding devices is poor, and it is inconvenient for staff to use. At the same time, the catalyst adding device needs to be cleaned after adding the catalyst to avoid corrosion of the device by the additive. The cleaning process of the general device is relatively cumbersome and wastes the overall time of the esterification of dimethyl diacid. The "A dosing device for dimethyl adipate esterification catalyst" disclosed on the China Patent Network has an application number of "202021516438.2". The device improves the practicality of the device by driving a motor, a rack, a worm, a transmission wheel, and a piston. However, when the device is in use, the device cannot be cleaned at will, which still leads to an increase in the process of the esterification of dimethyl diacid. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a device for adding a catalyst for the esterification of dimethyl adipate. When the device is used, it is convenient for workers to use the device to add catalysts, and it is also convenient for workers to clean important parts of the device separately at will, and it is ensured that the esterification process of dimethyl adipate will not be affected by poor sealing effect.

[0004] The utility model also provides an adding device with the above-mentioned dimethyl adipate esterification catalyst, comprising: a storage box, the upper surface of the rear wall of the storage box is rotatably connected with a cover plate, the lower surface of the storage box is fixedly connected with a multifunctional docking tube, the upper end of the multifunctional docking tube passes through the interior of the storage box, a mounting frame is provided inside the storage box, the upper surface of the mounting frame is fixedly connected with a catalyst supply box, the lower surface of the catalyst supply box is fixedly connected with a guide mechanism, when adding catalyst, the lower end of the guide mechanism is located inside the multifunctional docking tube, the lower surface of the catalyst supply box is fixedly connected with two automatic telescopic top rods, the lower end of the automatic telescopic top rod is fixedly connected to the guide mechanism, the right inner wall of the storage box is fixedly connected with an automatic telescopic pull rod, the left end of the automatic telescopic pull rod is fixedly connected with a rubber plate, the left end of the rubber plate is clamped with the mounting frame, the lower surface of the rubber plate is provided with a groove, and the side surface of the upper end of the multifunctional docking tube is in close contact with the inner wall of the groove.

[0005] According to the device for adding dimethyl adipate esterification catalyst of the utility model, the multifunctional butt joint pipe is composed of a hard part and a soft stretchable part, wherein the hard part of the multifunctional butt joint pipe penetrates into the interior of the storage box. Through the above device, the convenience of use of the device is improved.

[0006] According to the device for adding dimethyl adipate esterification catalyst of the utility model, the flow guiding mechanism is composed of a flow guiding hose and a butt joint, and the upper surface of the butt joint is fixedly connected to the automatic telescopic top rod. Through the above device, it is convenient to maintain the flow guiding mechanism.

[0007] According to the device for adding catalyst for dimethyl adipate esterification of the utility model, a guide plate is fixedly connected to a side of the mounting frame close to the multifunctional butt joint, and the right surface of the guide plate is in close contact with the side surfaces of the multifunctional butt joint and the butt joint. The above device improves the accuracy of adding catalyst.

[0008] According to the device for adding catalyst for dimethyl adipate esterification of the utility model, the right surface of the guide plate is provided with a contoured groove, and the left ends of the multifunctional butt joint pipe and the butt joint are located inside the contoured groove. The above device further improves the accuracy of adding catalyst.

[0009] According to the device for adding dimethyl adipate esterification catalyst of the utility model, the part where the mounting frame is clamped with the rubber plate is slidably connected with a fixing mechanism, and the lower end of the fixing mechanism penetrates into the inside of the rubber plate. Through the above device, the stability of the mounting frame and the rubber plate docking is improved.

[0010] According to the device for adding dimethyl adipate esterification catalyst of the utility model, the fixing mechanism is composed of a clamping block and a pin, the clamping block is clamped with the mounting frame, and the lower end of the pin penetrates into the inside of the rubber plate. Through the above device, the reinforcement mechanism is convenient to use.

[0011] According to the device for adding catalyst for dimethyl adipate esterification of the utility model, the middle part of the groove is higher than the left and right ends, and the groove is an arc structure. After the catalyst is added, the upper end of the multifunctional butt joint is located in the middle part of the groove. Through the above device, the sealing effect of the rubber plate is improved.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the device for adding catalyst for dimethyl adipate esterification is convenient for workers to add catalyst through multifunctional docking tubes, mounting frames, catalyst supply boxes, guide plates, rubber plates, and grooves. It is also convenient for workers to clean the catalyst adding area separately at any time, and ensures that the esterification result of dimethyl adipate is not affected by the sealing.

[0014] 2. Compared with the prior art, the catalyst adding device for dimethyl adipate esterification is convenient to use and store the catalyst adding device through a storage box, a cover plate, and a multifunctional docking tube, and ensures that important components of the catalyst adding device will not be affected by external factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a right view structural diagram of the adding device of dimethyl adipate esterification catalyst of the utility model;

[0017] Figure 2 It is a left-side structural diagram of the adding device of the dimethyl adipate esterification catalyst of the utility model;

[0018] Figure 3 It is a cross-sectional structural diagram of the adding device of the dimethyl adipate esterification catalyst of the utility model;

[0019] Figure 4 The utility model is a device for adding a catalyst for esterification of dimethyl adipate Figure 3 The structure diagram at B is enlarged;

[0020] Figure 5 The utility model is a device for adding a catalyst for esterification of dimethyl adipate Figure 3 Enlarged structural diagram at center C.

[0021] Legend:

[0022] 1. Storage box; 2. Catalyst supply box; 3. Cover plate; 4. Mounting frame; 5. Fixing mechanism; 6. Automatic telescopic pull rod; 7. Multifunctional docking tube; 8. Docking head; 9. Diversion hose; 10. Automatic telescopic top rod; 11. Rubber sheet; 12. Groove; 13. Block; 14. Pin; 15. Guide plate; 16. Contoured slot; 17. Diversion mechanism. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5The embodiment of the utility model discloses a device for adding a catalyst for the esterification of dimethyl adipate, which comprises: a storage box 1, a cover plate 3 is rotatably connected to the upper surface of the rear wall of the storage box 1, a multifunctional docking tube 7 is fixedly connected to the lower surface of the storage box 1, the upper end of the multifunctional docking tube 7 penetrates into the interior of the storage box 1, and the multifunctional docking tube 7 consists of a hard part and a soft stretching part, wherein the hard part of the multifunctional docking tube 7 penetrates into the interior of the storage box 1, and the lower end of the multifunctional docking tube 7 is a silicone sleeve that can be stretched and deformed at will, so that the user can dock the device with the catalyst adding part conveniently.

[0025] A mounting frame 4 is provided inside the storage box 1, and a catalyst supply box 2 is fixedly connected to the upper surface of the mounting frame 4. The catalyst supply box 2 is used in conjunction with a small pressure pump. A guide mechanism 17 is fixedly connected to the lower surface of the catalyst supply box 2. When adding catalyst, the lower end of the guide mechanism 17 is located inside the multifunctional docking tube 7. Two automatic telescopic top rods 10 are fixedly connected to the lower surface of the catalyst supply box 2. The lower ends of the automatic telescopic top rods 10 are fixedly connected to the guide mechanism 17. The guide mechanism 17 consists of a guide hose 9 and a docking joint 8. The upper surface of the docking joint 8 is fixedly connected to the automatic telescopic top rod 10. The guide mechanism 17 facilitates the addition of catalyst to the interior of the dimethyl diacid esterification reaction chamber. When the automatic telescopic top rod 10 contracts, the guide hose 9 is folded due to the pressure. At this time, the residual catalyst can be squeezed out of the guide hose 9.

[0026] A guide plate 15 is fixedly connected to one side of the mounting frame 4 close to the multifunctional docking tube 7. The right surface of the guide plate 15 is in close contact with the side surfaces of the multifunctional docking tube 7 and the docking joint 8. A contoured groove 16 is provided on the right surface of the guide plate 15. The left ends of the multifunctional docking tube 7 and the docking joint 8 are located inside the contoured groove 16. The guide plate 15 and the contoured groove 16 cooperate with each other to improve the accuracy of docking between the guide mechanism 17 and the multifunctional docking tube 7.

[0027] An automatic telescopic pull rod 6 is fixedly connected to the right inner wall of the storage box 1, and a rubber plate 11 is fixedly connected to the left end of the automatic telescopic pull rod 6. The left end of the rubber plate 11 is clamped with the mounting frame 4. The automatic telescopic pull rod 6 cooperates with the rubber plate 11 to conveniently drive the mounting frame 4 to slide left and right. The part where the mounting frame 4 is clamped with the rubber plate 11 is slidably connected with a fixing mechanism 5. The lower end of the fixing mechanism 5 passes through the interior of the rubber plate 11. The fixing mechanism 5 is composed of a clamping block 13 and a pin 14. The clamping block 13 is clamped with the mounting frame 4, and the lower end of the pin 14 passes through the interior of the rubber plate 11. The fixing mechanism 5 improves the stability of the mounting frame 4 after being clamped with the rubber plate 11.

[0028] A groove 12 is provided on the lower surface of the rubber plate 11, and the side surface of the upper end of the multifunctional docking tube 7 is in close contact with the inner wall of the groove 12. The middle part of the groove 12 is higher than the left and right ends, and the groove 12 is an arc structure. After the catalyst is added, the upper end of the multifunctional docking tube 7 is located in the middle part of the groove 12. The groove 12 accommodates the upper end of the multifunctional docking tube 7 and uses the performance of rubber to seal the multifunctional docking tube 7. The structure of the groove 12 itself can reduce the convenience of the rubber plate 11 and the mounting frame 4 during the left and right movement. At the same time, the protruding part in the middle of the groove 12 can improve the sealing effect of the multifunctional docking tube 7.

[0029] Working principle: First open the cover plate 3, then add the catalyst to the inside of the catalyst supply box 2, then dock the mounting frame 4 with the rubber plate 11, then close the cover plate 3, when installing the device, first stretch the lower end of the multifunctional docking tube 7, so that the lower end of the multifunctional docking tube 7 wraps the conduit for adding catalyst in the dimethyl adipate esterification studio, when adding catalyst, control the automatic telescopic pull rod 6 to move the mounting frame 4 and the rubber plate 11 to the right, when the guide plate 15 contacts the multifunctional docking tube 7, control the automatic telescopic top rod 10 to extend, so that the docking head 8 docks with the multifunctional docking tube 7, then you can add Catalyst, after the catalyst is added, the automatic telescopic top rod 10 is controlled to retract. During the process of recovering the automatic telescopic top rod 10, the guide hose 9 is folded due to the pressure. At this time, the residual catalyst can be squeezed out of the guide hose 9. At this time, the automatic telescopic pull rod 6 is used to control the mounting frame 4 and the rubber plate 11 to move to the left. When the multifunctional docking tube 7 is in the middle part of the groove 12, the automatic telescopic pull rod 6 is stopped. At this time, the multifunctional docking tube 7 is in a sealed state. At this time, the cover plate 3 is opened to separate the mounting frame 4 from the rubber plate 11, and the mounting frame 4 can be directly taken out to clean the catalyst supply box 2.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A device for adding a catalyst for esterification of dimethyl adipate, characterized in that: include: A storage box (1), wherein the upper surface of the rear wall of the storage box (1) is rotatably connected to a cover plate (3), the lower surface of the storage box (1) is fixedly connected to a multifunctional docking tube (7), the upper end of the multifunctional docking tube (7) penetrates into the interior of the storage box (1), a mounting frame (4) is provided inside the storage box (1), and the upper surface of the mounting frame (4) is fixedly connected to a catalyst supply box (2); The lower surface of the catalyst supply box (2) is fixedly connected to a flow guide mechanism (17); when adding catalyst, the lower end of the flow guide mechanism (17) is located inside the multifunctional docking tube (7); the lower surface of the catalyst supply box (2) is fixedly connected to two automatic telescopic top rods (10); the lower ends of the automatic telescopic top rods (10) are fixedly connected to the flow guide mechanism (17); The right inner wall of the storage box (1) is fixedly connected to an automatic telescopic pull rod (6), the left end of the automatic telescopic pull rod (6) is fixedly connected to a rubber plate (11), the left end of the rubber plate (11) is snap-fitted to the mounting frame (4), the lower surface of the rubber plate (11) is provided with a groove (12), and the side surface of the upper end of the multifunctional docking tube (7) is in close contact with the inner wall of the groove (12).

2. The device for adding a dimethyl adipate esterification catalyst according to claim 1, characterized in that: The multifunctional butt joint pipe (7) consists of a hard portion and a soft stretchable portion, wherein the hard portion of the multifunctional butt joint pipe (7) penetrates into the interior of the storage box (1).

3. The device for adding dimethyl adipate esterification catalyst according to claim 1, characterized in that: The flow guiding mechanism (17) is composed of a flow guiding hose (9) and a butt joint (8), and the upper surface of the butt joint (8) is fixedly connected to the automatic telescopic top rod (10).

4. The device for adding dimethyl adipate esterification catalyst according to claim 3, characterized in that: A guide plate (15) is fixedly connected to one side of the mounting frame (4) close to the multifunctional butt joint pipe (7), and the right surface of the guide plate (15) is in close contact with the side surfaces of the multifunctional butt joint pipe (7) and the butt joint (8).

5. The device for adding dimethyl adipate esterification catalyst according to claim 4, characterized in that: The right surface of the guide plate (15) is provided with a contoured slot (16), and the left ends of the multifunctional butt joint pipe (7) and the butt joint (8) are located inside the contoured slot (16).

6. The device for adding dimethyl adipate esterification catalyst according to claim 1, characterized in that: The portion of the mounting frame (4) that is engaged with the rubber plate (11) is slidably connected to a fixing mechanism (5), and the lower end of the fixing mechanism (5) penetrates into the interior of the rubber plate (11).

7. The device for adding dimethyl adipate esterification catalyst according to claim 6, characterized in that: The fixing mechanism (5) is composed of a clamping block (13) and a pin (14); the clamping block (13) is clamped with the mounting frame (4); and the lower end of the pin (14) penetrates into the interior of the rubber plate (11).

8. The device for adding dimethyl adipate esterification catalyst according to claim 1, characterized in that: The middle part of the groove (12) is higher than the left and right ends, and the groove (12) is an arc structure. After the catalyst is added, the upper end of the multifunctional butt joint (7) is located in the middle part of the groove (12).

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