NMP liquid heater with high heating efficiency

By designing an inner cylinder water channel and an outer cylinder heat dissipation hole in the NMP liquid heater, and setting a temperature sensor and heating rod in the middle of the support, the heating efficiency of the heating rod can be dynamically adjusted, solving the problems of uneven heating and low efficiency of existing heaters, and realizing uniform and efficient heating of NMP liquid.

CN223769043UActive Publication Date: 2026-01-06JIANGSU RONGDAOSHE SEMICON EQUIP TECH CO LTD
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Patent Information

Application Number
CN202423260192.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-06
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing NMP liquid heaters suffer from uneven heating and low heating efficiency.

Method used

An inner cylinder structure is designed, with a water channel inside the inner cylinder and inlet and outlet ports at both ends. The liquid enters the water channel 2 from the inlet part, rises to the top of the inner cylinder 1, turns downward, and repeats until it is discharged from the outlet part. Six heating rods 8 arranged in an array in the middle of the support 6 extend into the inner cylinder 1. An outer cylinder is fitted on the outside of the inner cylinder, and heat dissipation holes are arranged in an array on the outer edge of the outer cylinder. The bottom of the inner cylinder is fixed to the support. A temperature sensor and heating rods are provided in the middle of the support. The heating efficiency of the heating rods is dynamically adjusted by the temperature sensor to achieve uniform heating.

Benefits of technology

This achieves uniform and controllable heating of NMP liquid, improving heating efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223769043U_ABST
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Abstract

The utility model discloses an NMP (N-Methyl Pyrrolidone) liquid heater with high heating efficiency, which relates to the technical field of liquid heaters and comprises an inner cylinder, a water channel is arranged in the inner cylinder, and two ends of the water channel are connected with a liquid inlet and a liquid outlet. And the liquid upwards reaches the top end of the inner barrel from the water channel from the liquid inlet part of the liquid inlet and outlet, turns downwards and is discharged from the liquid outlet part in cycles. According to the NMP liquid heater with the high heating efficiency, NMP liquid enters the water channel in the inner barrel from the liquid inlet part of the liquid inlet and outlet, reaches the top end of the inner barrel upwards from the water channel and then turns downwards, the operation is repeated until the NMP liquid is discharged from the liquid outlet part, and the six heating rods distributed in the middle of the support in an array mode extend into the inner barrel; in addition, a temperature sensor is arranged at the bottom end of the inner barrel, the heating efficiency of the heating rod is dynamically adjusted according to temperature fluctuation, and therefore it is guaranteed that the NMP liquid is evenly and controllably heated.
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Description

Technical Field

[0001] This utility model relates to the field of liquid heater technology, specifically to a high-efficiency NMP liquid heater. Background Technology

[0002] The NMP liquid heater is a device specifically designed for heating NMP (N-methylpyrrolidone), a colorless and transparent oily liquid.

[0003] Existing heaters suffer from uneven heating and low heating efficiency when used in NMP liquid production.

[0004] Therefore, in view of this, we have studied and improved the existing structure to address its shortcomings and proposed a high-efficiency NMP liquid heater. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency NMP liquid heater to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency NMP liquid heater, comprising an inner cylinder, wherein a water channel is provided inside the inner cylinder and inlet and outlet ports are connected to both ends of the water channel, and the liquid enters from the inlet portion of the inlet port, flows upward through the water channel to the top of the inner cylinder, then turns downward and repeats until it is discharged from the outlet portion.

[0007] Furthermore, an outer cylinder is fitted around the inner cylinder, and heat dissipation holes are arrayed on the outer edge of the outer cylinder.

[0008] Furthermore, the bottom end of the inner cylinder is bolted to the planar portion of the support, and the vertical portion of the support is fixed to the wall by expansion bolts.

[0009] Furthermore, a temperature sensor is bolted to the middle of the bracket, and the temperature sensor is inserted into the middle of the bottom of the inner cylinder.

[0010] Furthermore, heating rods are arrayed in the middle of the support, and the heating rods extend into the inner cylinder.

[0011] Furthermore, there are six heating rods distributed around the temperature sensor array, and the heating rods exchange heat with the liquid flowing in the water channel.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. In use, NMP liquid enters the water channel in the inner cylinder through the inlet and outlet. It flows upward through the water channel to the top of the inner cylinder and then turns downward, repeating this process until it is discharged through the outlet. During this process, six heating rods arranged in an array in the middle of the support extend into the inner cylinder and exchange heat with the liquid flowing in the water channel, thereby improving the heating efficiency of the NMP liquid. In addition, by setting a temperature sensor at the bottom of the inner cylinder, the heating efficiency of the heating rods is dynamically adjusted according to temperature fluctuations to ensure uniform and controllable heating of the NMP liquid. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model;

[0015] Figure 2 This is a schematic diagram of the exploded structure of the device of this utility model;

[0016] Figure 3 This is a schematic cross-sectional view of the overall structure of this utility model.

[0017] In the diagram: 1. Inner cylinder; 2. Water channel; 3. Liquid inlet / outlet; 4. Outer cylinder; 5. Heat dissipation hole; 6. Support; 7. Temperature sensor; 8. Heating rod. Detailed Implementation

[0018] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0019] like Figures 1 to 3As shown, a high-efficiency NMP liquid heater includes an inner cylinder 1 with a water channel 2 inside. Both ends of the water channel 2 are connected to inlet and outlet ports 3. Liquid enters the inner cylinder 1 through the inlet portion of the inlet port 3, flows upward through the water channel 2 to the top of the inner cylinder 1, then turns downward and repeats this cycle until it is discharged from the outlet portion. NMP liquid enters the water channel 2 in the inner cylinder 1 through the inlet portion of the inlet port 3, flows upward through the water channel 2 to the top of the inner cylinder 1, then turns downward and repeats this cycle until it is discharged from the outlet portion. During this process, six heating rods 8, arranged in an array in the middle of a support 6, extend into the inner cylinder 1 and exchange heat with the liquid flowing in the water channel 2, improving the heating efficiency of the NMP liquid. Outside the inner cylinder 1... The inner cylinder 1 is fitted with an outer cylinder 4, and the outer edge of the outer cylinder 4 is arrayed with heat dissipation holes 5. The bottom end of the inner cylinder 1 is bolted to the plane part of the bracket 6, and the vertical part of the bracket 6 is fixed to the wall by expansion bolts. A temperature sensor 7 is bolted to the middle of the bracket 6, and the temperature sensor 7 is inserted into the middle of the bottom of the inner cylinder 1. Heating rods 8 are arrayed in the middle of the bracket 6, and the heating rods 8 extend into the inner cylinder 1. There are six heating rods 8 in total, which are arrayed around the temperature sensor 7. The heating rods 8 exchange heat with the liquid flowing in the water channel 2. By setting the temperature sensor 7 at the bottom of the inner cylinder 1, the heating efficiency of the heating rods 8 is dynamically adjusted according to the temperature fluctuation to ensure uniform and controllable heating of the NMP liquid.

[0020] It is worth noting that the temperature sensor 7 used in this application is specifically model RTT511M-A-4-6-050, and the heating rod 8 is model DN40.

[0021] Working principle: When using this high-efficiency NMP liquid heater, NMP liquid enters the water channel 2 in the inner cylinder 1 through the inlet 3, flows upward through the water channel 2 to the top of the inner cylinder 1, then turns downward, and repeats until it is discharged from the outlet. During this process, the six heating rods 8 arranged in an array in the middle of the support 6 extend into the inner cylinder 1 and exchange heat with the liquid flowing in the water channel 2, thereby improving the heating efficiency of the NMP liquid. In addition, by setting a temperature sensor 7 at the bottom of the inner cylinder 1, the heating efficiency of the heating rods 8 is dynamically adjusted according to temperature fluctuations to ensure uniform and controllable heating of the NMP liquid.

[0022] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A NMP liquid heater with high heating efficiency comprising an inner cylinder (1), characterized in that, The inner cylinder (1) is internally provided with a water channel (2), and both ends of the water channel (2) are connected with liquid inlet and outlet ports (3), and the liquid is introduced into the water channel (2) from the liquid inlet part of the liquid inlet and outlet ports (3), reaches the top end of the inner cylinder (1) upwards, is turned downwards, and is repeatedly circulated until being discharged from the liquid outlet part.

2. The NMP liquid heater with high heating efficiency according to claim 1, characterized in that, The outer cylinder (4) is externally sleeved on the inner cylinder (1), and the outer edge of the outer cylinder (4) is externally provided with heat dissipation holes (5).

3. The NMP liquid heater with high heating efficiency according to claim 1, characterized in that, The bottom end of the inner cylinder (1) is bolted with the plane part of a support (6), and the vertical part of the support (6) is fixed to the wall surface through expansion bolts.

4. The NMP liquid heater with high heating efficiency according to claim 3, characterized in that, The middle part of the support (6) is bolted with a temperature sensor (7), and the temperature sensor (7) is inserted into the middle end of the bottom part of the inner cylinder (1).

5. The NMP liquid heater with high heating efficiency according to claim 3, characterized in that, The middle part of the support (6) is arrayed with heating rods (8), and the heating rods (8) extend into the inner cylinder (1).

6. The NMP liquid heater with high heating efficiency according to claim 5, characterized in that, The six heating rods (8) are arrayed around the temperature sensor (7), and the heating rods (8) realize heat exchange with the liquid flowing in the water channel (2).