Industrial grade NMP finished product preparation device capable of adjusting discoloration

By introducing an electric telescopic rod to drive the movement of the reagent box and a stirring device into the NMP finished product preparation device, the problems of discoloration and complex jamming at different heights were solved, achieving uniform mixing of the solution and improving the stability of the device, thus extending the life of key components.

CN223669201UActive Publication Date: 2025-12-16JIANGXI DEFU ENVIRONMENTAL PROTECTION TECH DEV CO LTD
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Patent Information

Application Number
CN202423253472.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-12-16
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

Existing NMP finished product preparation equipment is prone to discoloration at different heights, and the buckle locking device is complex, reducing spring life and affecting the stability and efficiency of the equipment.

Method used

An industrial-grade NMP product preparation device for adjusting color change was designed. It uses an electric telescopic rod to drive the reagent box to move up and down. Combined with a stirring device and through-hole design, it realizes local impact and mixing of the solution. The stirring plate group driven by the motor performs efficient stirring to ensure the uniformity of the solution.

Benefits of technology

It effectively reduces the discoloration of NMP products, improves the uniformity of solution mixing and the stability of the device, and extends the service life of key components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an industrial grade NMP finished product preparation device capable of adjusting color change, which is characterized in that the interior of a device body is a cavity, the top of the device body is provided with a feeding port I, the feeding port I is provided with a sealing cover plate, the interior of the device body is provided with a fixed plate I and a sleeve I, one side of the fixed plate I is provided with a sliding support plate I, and the sliding support plate I is provided with a sliding groove; a first sliding supporting plate is arranged on the device body, a medicament box is arranged on the first sliding supporting plate, the bottom of the medicament box is fixed to the first sliding supporting plate through bolts, a first electric telescopic rod is arranged on the first sliding supporting plate and comprises a fixed part, the fixed part is arranged on the device body, and the medicament box comprises a first vertical side wall plate and a second vertical side wall plate. The first vertical side wall plate and the second vertical side wall plate are each provided with a plurality of through holes, and the distance between the through hole in the bottommost portion of the first vertical side wall plate and the through hole in the bottommost portion of the second vertical side wall plate and the bottom of the first vertical side wall plate and the bottom of the second vertical side wall plate ranges from 2 cm to 10 cm. The color changing device has the advantages that the color changing effect on NMP at different heights is achieved, and the solution effect on color changing of NMP finished products is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of NMP processing, especially to a mediating discoloration industrial grade NMP finished product preparation device. BACKGROUND

[0002] NMP is N-methyl pyrrolidone, has the advantages such as high flash point, good safety, good stability, easy recovery, good dissolving and diluting performance to adhesive PDVF, is widely used in lithium battery industry. Specifically, in the batching stage, NMP is used as the solvent of PVDF, participates in slurry dispersion, forms uniform medium, keeps stable slurry in a certain viscosity range for a long time, in the coating stage, NMP is used as the main liquid carrier of slurry, can make slurry be uniformly coated on metal substrate with stable thickness, in the coating and baking stage, NMP volatilizes from wet film with stable speed, forms the porous microelectrode structure with uniform pore size.

[0003] Since the recovery rate of N-methyl pyrrolidone is generally higher than 80%, its loss rate in the lithium battery field is smaller, and most of the N-methyl pyrrolidone can be recycled and reused. Recycling waste N-methyl pyrrolidone for recycling can not only save raw material cost, but also remove the impurities of NMP discoloration by the existing NMP finished product preparation device, move the reagent box by using the buckle locking device, the setting of buckle is more complex, and the related spring and other service life are reduced for long-term immersion in solution. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings of prior art, solving the discoloration effect of NMP at different heights, improving the solving effect of NMP finished product discoloration.

[0005] The utility model discloses a mediating discoloration industrial grade NMP finished product preparation device, including device body, the inside of device body is hollow, be equipped with the feeding port one on the top of device body, and be equipped with sealing cover plate on the feeding port one, be equipped with fixed plate one and sleeve one in the inside of device body,

[0006] One side of fixed plate one is equipped with sliding support plate one, and be equipped with reagent box on sliding support plate one, the bottom of reagent box is fixed on sliding support plate one through bolt, and be equipped with electric telescopic handle one on sliding support plate one, electric telescopic handle one includes fixed part, and fixed part sets up on device body, reagent box includes vertical side wall board one and vertical side wall board two, and be equipped with a plurality of through -holes on vertical side wall board one and vertical side wall board two, the distance of the through -hole of the bottom of vertical side wall board one and vertical side wall board two is 2-10cm, be equipped with sealing cover plate on reagent box.

[0007] In the industrial grade NMP finished product preparation device of the utility model, the side wall of the device body is equipped with a feeding pipe one and a discharging pipe one, the sliding support plate one is equipped with a placing groove, a plurality of through holes are arranged on the bottom of the placing groove, a blind hole thread one is arranged on the bottom of the placing groove, and the blind hole thread one is provided with a plurality of blind hole threads.

[0008] In the industrial grade NMP finished product preparation device of the utility model, a plurality of through holes one are arranged on the sleeve one, the arrangement angle of the through holes one is 90°-270°, the arrangement height of the through holes one is 20-60 cm, the diameter of the through holes one is provided with at least two kinds, the bottom of the sleeve one is fixedly arranged, and the inside of the sleeve one is equipped with a stirring device.

[0009] In the industrial grade NMP finished product preparation device of the utility model, the stirring device comprises a motor one and a stirring pair of plates arranged on the output shaft of the motor one, the stirring pair of plates comprises a stirring plate one and a stirring plate two, the sizes of the stirring plate one and the stirring plate two are provided with at least two kinds, and the arrangement height of the stirring pair of plates is consistent with the arrangement height of the through holes one.

[0010] In the industrial grade NMP finished product preparation device of the utility model, the top of the sleeve one is equipped with a folded feeding pipe, the top of the folded feeding pipe is equipped with a feeding hopper, and the feeding hopper is equipped with a sealing cover plate.

[0011] In the industrial grade NMP finished product preparation device of the utility model, the fixed plate one and the sleeve one are arranged on both sides of the device body, and the device body is made of a metal material.

[0012] The utility model has the following advantages:

[0013] 1、 the inside of the device body is provided with a cavity, the top of the device body is equipped with a feeding port one, the feeding port one is equipped with a sealing cover plate, the inside of the device body is equipped with a fixed plate one and a sleeve one;

[0014] A sliding support plate is provided on one side of the fixed plate. The sliding support plate moves up and down inside the device body. A reagent box is provided on the sliding support plate. The bottom of the reagent box is fixed to the sliding support plate by bolts. An electric telescopic rod is provided on the sliding support plate. The electric telescopic rod includes a fixed part, which is set on the device body. The reagent box includes a vertical side wall plate and a vertical side wall plate. Both the vertical side wall plate and the vertical side wall plate are provided with several through holes. The distance between the bottommost through hole of the vertical side wall plate and the bottom is 2-10cm, so that a certain amount of reaction solution is reserved at the bottom. During the rising and falling process, the solution inside moves and reacts. It can also impact the reaction solution under the action of local impact. A sealing cover is provided on the reagent box. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the sleeve in this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the sliding support plate in this utility model;

[0018] Figure 4 for Figure 1 A magnified view of a portion of point A in the middle;

[0019] Figure 5 for Figure 1 A magnified view of a portion of point B in the middle.

[0020] In the figure, the device body is 1, feeding port 1, sealing cover 3, fixing plate 1, sleeve 1, sliding support plate 1, medicine box 7, electric telescopic rod 1, fixing part 9, vertical side wall plate 10, vertical side wall plate 2 11, through hole 12, feed pipe 13, discharge pipe 14, placement groove 15, blind hole thread 16, through hole 17, motor 18, stirring opposing plate group 19, stirring plate 1 20, stirring plate 2 21, folded feed pipe 22, and feed hopper 23. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings. The scope of protection of the present invention is not limited to the following description:

[0022] like Figures 1-5 As shown, an industrial-grade NMP finished product preparation device for adjusting color change includes a device body 1, the inside of the device body 1 is a cavity, the top of the device body 1 is provided with a feeding port 2, and the feeding port 2 is provided with a sealing cover plate 3. The inside of the device body 1 is provided with a fixing plate 4 and a sleeve 5.

[0023] In the embodiment, the fixed plate 4 is provided with a sliding support plate 6 on one side, and the sliding support plate 6 is provided with a medicine box 7, the bottom of the medicine box 7 is fixed on the sliding support plate 6 by bolts, and the sliding support plate 6 is provided with an electric telescopic rod 8, the electric telescopic rod 8 includes a fixed part 9, and the fixed part 9 is arranged on the device body 1, the medicine box 7 includes a vertical side wall plate 10 and a vertical side wall plate 11, and a plurality of through holes 12 are arranged on the vertical side wall plate 10 and the vertical side wall plate 11, the distance from the through hole at the bottom of the vertical side wall plate 10 and the vertical side wall plate 11 to the bottom is 2-10 cm, and the medicine box 7 is provided with a sealing cover plate, so that a certain reaction solution is reserved at the bottom, and the local water flow and the solution are mixed during the rising and falling of the electric telescopic rod.

[0024] In the embodiment, the device body 1 is provided with an inlet pipe 13 and an outlet pipe 14 on the side wall, the sliding support plate 6 is provided with a placing groove 15, and a plurality of through holes are arranged on the bottom of the placing groove 15, so that the resistance can be reduced while ensuring that the external solution reacts with the solution in the medicine box 7, and the bottom of the placing groove 15 is provided with a blind hole thread 16, and a plurality of blind hole threads 16 are arranged, so that the medicine box 7 can be fixed by bolts.

[0025] In the embodiment, the sleeve 5 is provided with a plurality of through holes 17, and the angle of the through holes 17 is 90°-270°, and the height of the through holes 17 is 20-60 cm, so that the through holes 17 can be arranged as needed, and the angle of the through holes 17 can be selected according to the viscosity of the reaction solution, and one side of the sleeve 5 is closed to make the stirring opposite plate group 19 throw the solution to the side wall, thereby improving the mixing effect and changing the local flow rate, and the diameter of the through holes 17 is at least two kinds, the bottom of the sleeve 5 is fixedly arranged, and the inside of the sleeve 5 is provided with a stirring device.

[0026] In the embodiment, the stirring device includes a motor 18 and a stirring opposite plate group 19 arranged on the output shaft of the motor 18, the stirring opposite plate group 19 includes a stirring plate 20 and a stirring plate 21, and the size of the stirring plate 20 and the stirring plate 21 is at least two kinds, and the height of the stirring opposite plate group 19 is consistent with the height of the through holes 17, so that the stirring opposite plate group 19 can be arranged as needed.

[0027] In the embodiment, the top of the sleeve 5 is provided with a folded inlet pipe 22, and the top of the folded inlet pipe 22 is provided with a feeding hopper 23, and the feeding hopper 23 is provided with a sealing cover plate, so that the feeding can be conveniently carried out.

[0028] In the embodiment, the fixed plate 4 and the sleeve 5 are arranged on both sides of the device body 1 which is made of metal material.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application has, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An industrial-grade NMP product preparation device for adjusting color change, characterized in that: The device includes a main body, the interior of which is a cavity. A feeding port is provided on the top of the main body, and a sealing cover is provided on the feeding port. A fixing plate and a sleeve are provided inside the main body. A sliding support plate is provided on one side of the fixed plate, and a medicine box is provided on the sliding support plate. The bottom of the medicine box is fixed to the sliding support plate by bolts. An electric telescopic rod is provided on the sliding support plate. The electric telescopic rod includes a fixed part, which is set on the device body. The medicine box includes a vertical side wall plate and a vertical side wall plate. Both the vertical side wall plate and the vertical side wall plate are provided with several through holes. The distance between the bottommost through hole of the vertical side wall plate and the bottom is 2-10cm. A sealing cover is provided on the medicine box.

2. The industrial-grade NMP product preparation device for adjusting color change according to claim 1, characterized in that: The device body has an inlet pipe and an outlet pipe on its side wall. The sliding support plate has a placement groove, and the bottom of the placement groove has several through holes. The bottom of the placement groove has several blind holes.

3. The industrial-grade NMP product preparation device for adjusting color change according to claim 1, characterized in that: The sleeve is provided with several through holes, and the angle of the through holes is 90°-270°. The height of the through holes is 20-60cm. The diameter of the through holes is provided with at least two types. The bottom of the sleeve is fixed, and a stirring device is provided inside the sleeve.

4. The industrial-grade NMP product preparation device for adjusting color change according to claim 3, characterized in that: The stirring device includes a motor and a stirring opposing plate assembly mounted on the output shaft of the motor. The stirring opposing plate assembly includes a stirring plate one and a stirring plate two, and the stirring plate one and the stirring plate two have at least two different sizes. The height of the stirring opposing plate assembly is the same as the height of the through hole one.

5. The industrial-grade NMP product preparation device for adjusting color change according to claim 1, characterized in that: The top of the first sleeve is provided with a folded feed pipe, and the top of the folded feed pipe is provided with a feed hopper, and the feed hopper is provided with a sealing cover plate.

6. The industrial-grade NMP product preparation device for adjusting color change according to claim 1, characterized in that: The fixing plate and the sleeve are disposed on both sides of the device body, which is made of metal.