Continuous flow microreactor for preparing water paint
By introducing spiral blades and stirring plates into a continuous flow microreactor for waterborne paint preparation, the problems of insufficient raw material reaction and inaccurate cooling were solved, achieving more efficient waterborne paint production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-27
- Publication Date
- 2026-03-27
AI Technical Summary
In existing continuous flow microreactors used for the preparation of water-based paints, the raw material reaction is incomplete and the reaction cooling is not accurate enough, which affects the production stability and safety.
A microreactor was designed, comprising a reaction chamber, a feed chamber, and a fixed cover. Helical blades and stirring plates were used to improve the uniformity of raw material mixing, and the reaction temperature was precisely controlled by helical blades and a cooling water system.
It significantly improves the sufficiency of raw material reaction and the uniformity of reaction cooling, thereby enhancing the stability and safety of water-based paint production.
Smart Images
Figure CN224040920U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to water -based paint production equipment technical field, especially, relate to a continuous flow microreactor for water -based paint preparation. BACKGROUND
[0002] Water -based paint is a kind of environmental protection type coating with water as dispersion medium, and its technical core is to replace traditional organic solvent (such as dimethylbenzene, ethyl acetate etc.) by water -based system, to realize the substantial emission reduction of volatile organic compounds (VOCs), in the modern water -based paint production process, introduce continuous flow microreactor (hereinafter referred to as reactor) technology can significantly optimize the preparation process of water -based paint, and the accurate fluid control ability of microreactor can ensure that nanomaterials are uniformly dispersed, realize the high consistency between product batches, and the microchannel design of microreactor can effectively control the reaction intensity, reduce the safety risk in production process, but the continuous flow microreactor still has the following disadvantages in actual use:
[0003] The reactor directly adopts water -based paint raw materials to be transported into during production, the raw materials are directly input into the reactor during pre-production, and the reaction starts without sufficient mixing, and the raw materials are directly transported during the working process, so that the fullness of raw material reaction is insufficient, and the reaction fullness of the reactor is affected.
[0004] Secondly, during the reaction, the water -based paint raw materials are directly transported through the reactor and heat-exchanged by the reactor to prevent the reaction from being too violent, and during the working, the reaction temperature control directly transports cooling water, and the cooling water flow does not uniformly pass through each reaction tube, so that the reaction temperature control is not accurate enough, and the working stability is affected. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a continuous flow microreactor for water -based paint preparation, which solves the problem of insufficient fullness of raw material reaction and insufficient reaction cooling of the continuous flow microreactor for water -based paint preparation by setting reaction bin, feed bin and fixed cover.
[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0007] The utility model discloses a continuous flow micro -reactor for water -based paint preparation, including the reaction bin, feed bin and fixed lid, the reaction bin inner wall fixedly has spiral blade, a plurality of reaction tubes are fixed through in the reaction bin, the central axis of reaction tube with the central axis of reaction bin is parallel with each other, one end of reaction bin is fixed with feed bin, the fixed lid is fixed to the one end of reaction bin away from feed bin, the circumferential side of feed bin is fixedly connected with the feed pipe of annular array, when working, through the reaction bin, the raw material of water -based paint is transported to the reaction bin, and the raw material of water -based paint is transferred through the feed bin, and the water -based paint is transported to the reaction bin, and after the reaction of the reaction tube in the reaction bin, the fixed lid is concentrated in.
[0008] Further, the reaction tube is fixed through in the spiral blade, and the two ends of the spiral blade are fixed on the two vertical surfaces of the inner wall of the reaction chamber. During the operation of the reaction tube, the spiral blade spirally transports the cooling water through the reaction tube.
[0009] Further, the reaction chamber is fixedly connected with a drain pipe at the edge of the circumferential side close to the feed bin, and is fixedly connected with a water inlet pipe at the edge of the circumferential side away from the feed bin. The water inlet pipe and the drain pipe are centrally symmetrically arranged on the circumferential side of the reaction chamber. The cooling water in the reaction chamber is discharged through the drain pipe, and the water inlet pipe transports the cooling water into the reaction chamber.
[0010] Further, the reaction chamber is fixedly connected with a drain pipe at the edge of the circumferential side close to the feed bin, and is fixedly connected with a water inlet pipe at the edge of the circumferential side away from the feed bin. The water inlet pipe and the drain pipe are centrally symmetrically arranged on the circumferential side of the reaction chamber. The cooling water in the reaction chamber is discharged through the drain pipe, and the water inlet pipe transports the cooling water into the reaction chamber.
[0011] Further, the reaction chamber is fixedly connected with a drain pipe at the edge of the circumferential side close to the feed bin, and is fixedly connected with a water inlet pipe at the edge of the circumferential side away from the feed bin. The water inlet pipe and the drain pipe are centrally symmetrically arranged on the circumferential side of the reaction chamber. The cooling water in the reaction chamber is discharged through the drain pipe, and the water inlet pipe transports the cooling water into the reaction chamber.
[0012] Further, the fixed lid is fixedly connected with an output pipe at the end away from the reaction chamber, and the inner wall of the feed bin is fixedly connected with a filter plate at the edge close to the reaction chamber. The filter plate is fixed at the end of the reaction chamber. During the operation of the fixed lid, the output pipe outputs the reactor, and the filter plate filters the water-based paint raw material passing through the feed bin into the reaction tube in the reaction chamber.
[0013] The utility model has the following beneficial effects:
[0014] The utility model discloses a reaction bin, feed bin and fixed lid are set up, solved the problem that the sufficient degree of raw material reaction of continuous flow micro -reactor for water -based paint preparation is not enough, when water -based paint raw material is transported to the feed bin, starts drive motor, drive motor drives fixed axle and stirring piece rotation, drives stirring piece simultaneously, in the rotation of stirring piece, water -based paint raw material in the feed bin is primarily mixed, after water -based paint raw material mixing, after conveying to the reaction tube in the reaction bin, again conveying to the fixed lid, again output through the output pipe, the raw material reaction fullness is significantly improved.
[0015] The utility model discloses a reaction bin and feed bin are set up, solved the problem that the reaction cooling of continuous flow micro -reactor for water -based paint preparation is not enough, after the joint of the interface of the one end of feed pipe far from feed bin and external feed pipe line is fixed, raw material can be conveyed to feed pipe, and water -based paint raw material is input in feed bin through feed pipe, after primarily mixing in feed bin, conveying to the reaction tube in the reaction bin through filter piece, raw material slowly flows in the reaction tube and completes the reaction, conveying to the fixed lid, and cooling water conveys water to the reaction bin, and after flowing conveying through the helical blade in the reaction bin, helical flow conveys to the drain pipe, guarantee the cooling of reaction tube, make the reaction cooling of continuous flow micro -reactor for water -based paint preparation more fully. DRAWINGS
[0016] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0017] Figure 1 It is a kind of water -based paint preparation and the structure stereogram of continuous flow micro -reactor after partially cutting open;
[0018] Figure 2 It is the structure stereogram of reaction bin after partially cutting open;
[0019] Figure 3 It is the structure stereogram of feed bin after partially cutting open;
[0020] Figure 4 It is the structure stereogram of fixed lid;
[0021] Figure 5 It is a kind of water -based paint preparation and the structure stereogram of continuous flow micro -reactor assembly.
[0022] Reference signs:
[0023] 1, reaction bin; 101, drain pipe; 102, water inlet pipe; 103, reaction tube; 104, spiral blade; 105, base; 2, feed bin; 201, drive motor; 202, fixed shaft; 203, stirring piece; 204, filter; 205, feed pipe; 206, interface; 3, fixed cover; 301, output pipe. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment one
[0025] Please refer to Figures 1-3 The utility model discloses a continuous flow microreactor for water-based paint preparation, which comprises a reaction bin 1, a feed bin 2 and a fixed cover 3. A spiral blade 104 is fixed on the inner wall of the reaction bin 1. During the operation of the reaction bin 1, reaction fluid is conveyed through the reaction bin 1, and the spiral blade 104 conveys cooling water through the reaction bin 1 to cool the water. A plurality of reaction tubes 103 are fixed through the reaction bin 1. When the raw materials are conveyed through the reaction tubes 103, the raw materials are mixed and reacted in the reaction tubes 103. The central axis of the reaction tubes 103 is parallel to the central axis of the reaction bin 1. The feed bin 2 is fixed at one end of the reaction bin 1. During the operation of the feed bin 2, the raw materials are preliminarily mixed in the feed bin 2. The fixed cover 3 is fixed at the end of the reaction bin 1 away from the feed bin 2. During the reaction, the raw materials are preliminarily mixed and reacted in the feed bin 2. The feed bin 2 is fixed and connected in a ring array on the circumferential side of the feed bin 2. A feed pipe 205 is fixed and connected to the feed bin 2. The feed pipe 205 conveys the raw materials for water-based paint preparation to the feed bin 2.
[0026] Specifically, the reaction tubes 103 are fixed through the spiral blade 104. The two ends of the spiral blade 104 are fixed on the two vertical surfaces of the inner wall of the reaction bin 1. The reaction tubes 103 are fixed through the spiral blade 104. The spiral blade 104 guides the cooling water to flow spirally through the outer wall of the reaction tubes 103 for cooling.
[0027] Further, a drain pipe 101 is fixed and connected to the edge of the circumferential side of the reaction bin 1 close to the feed bin 2. A water inlet pipe 102 is fixed and connected to the edge of the circumferential side of the reaction bin 1 away from the feed bin 2. The water inlet pipe 102 and the drain pipe 101 are centrally symmetrically arranged on the circumferential side of the reaction bin 1. The end of the water inlet pipe 102 away from the reaction bin 1 is fixed and connected to the pipe line for inputting cooling water. The end of the water inlet pipe 102 close to the reaction bin 1 is connected to the pipe line for outputting cooling water. The water inlet pipe 102 on the reaction bin 1 conveys water into the reaction bin 1, and the water outlet pipe outputs water from the reaction bin 1.
[0028] Further, the bottom of the reaction bin 1 is fixed with a base 105, and the end of the feeding pipe 205 away from the feeding bin 2 is fixedly connected with a joint 206. The base 105 of the bottom of the reaction bin 1 is supported on a working plane. In work, after the joint 206 at the end of the feeding pipe 205 away from the feeding bin 2 is connected with the joint of the external feeding pipeline, the aqueous paint raw materials can be transported into the feeding bin 2 through the external feeding pipeline.
[0029] The operation process of the embodiment is as follows: in work, after the joint 206 at the end of the feeding pipe 205 away from the feeding bin 2 is connected with the joint of the external feeding pipeline, the aqueous paint raw materials can be transported into the feeding pipe 205, and then the aqueous paint raw materials are input into the feeding bin 2 through the feeding pipe 205. After being preliminarily mixed in the feeding bin 2, the raw materials are transported into the reaction pipe 103 in the reaction bin 1 through the filter piece 204. After slowly flowing in the reaction pipe 103, the raw materials are transported into the fixed cover 3 after fully reacting. At the same time, the cooling water is transported into the reaction bin 1, and then flows through the spiral blade 104 in the reaction bin 1, and then is spirally transported into the drain pipe 101, so as to ensure the cooling of the reaction pipe 103. Specific embodiment two
[0030] Please refer to Figures 1-5 On the basis of the specific embodiment one, the end of the feeding bin 2 away from the reaction bin 1 is fixed with a driving motor 201, the output end of the driving motor 201 is fixed with a fixed shaft 202, the fixed shaft 202 penetrates through the end of the feeding bin 2 away from the reaction bin 1, and the circumferential side of the fixed shaft 202 is annularly arranged with stirring pieces 203. The stirring pieces 203 are arranged in the feeding bin 2. In work, the driving motor 201 drives the fixed shaft 202 to rotate, and drives the stirring pieces 203 to rotate in the rotation of the fixed shaft 202. When the stirring pieces 203 rotate, the aqueous paint raw materials in the feeding bin 2 are fully stirred and mixed.
[0031] Specifically, the end of the fixed cover 3 away from the reaction bin 1 is fixedly connected with an output pipe 301, the end of the output pipe 301 away from the fixed cover 3 is connected with a device for collecting the aqueous paint after reaction, the edge of the inner wall of the feeding bin 2 close to the reaction bin 1 is fixed with a filter piece 204, and the filter piece 204 is fixed at the end of the reaction bin 1. In work, the raw materials after reaction entering the fixed cover 3 are transported into the output pipe 301, and the aqueous paint raw materials are filtered in the feeding bin 2 and then are transported into the reaction pipe 103 in the reaction bin 1.
[0032] The operation process of the embodiment is as follows: in work, when the water-based paint raw materials are conveyed into the feeding bin 2, the driving motor 201 is started, the driving motor 201 drives the fixed shaft 202 and the stirring blade 203 to rotate, and at the same time, the stirring blade 203 is driven to rotate, the water-based paint raw materials in the feeding bin 2 are preliminarily mixed in the rotation of the stirring blade 203, after the water-based paint raw materials are mixed, are conveyed into the reaction tube 103 in the reaction bin 1, and then are conveyed into the fixed cover 3, and then are output through the output pipe 301.
[0033] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0034] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited only by the claims and the entire scope and equivalents thereof.
Claims
1. A continuous flow microreactor for preparing water-based paint, comprising a reaction bin (1), a feed bin (2) and a fixed cover (3), characterized in that: The inner wall of the reaction bin (1) is fixed with helical blades (104), a plurality of reaction tubes (103) are fixed through in the reaction bin (1), the central axis of the reaction tube (103) and the central axis of the reaction bin (1) are parallel to each other, one end of the reaction bin (1) is fixed with a feeding bin (2), the end of the reaction bin (1) away from the feeding bin (2) is fixed with a fixed cover (3), the circumferential side of the feeding bin (2) is fixed with a feeding pipe (205) in communication in annular array.
2. The continuous flow microreactor for preparing water-based paint according to claim 1, characterized in that: The reaction tube (103) is fixed through in the helical blade (104), and the two ends of the helical blade (104) are fixed on the two vertical surfaces of the inner wall of the reaction bin (1) respectively.
3. The continuous flow microreactor for preparing water-based paint according to claim 1, characterized in that: The edge of the circumferential side of the reaction bin (1) close to the feeding bin (2) is fixed with a drain pipe (101) in communication, the edge of the circumferential side of the reaction bin (1) away from the feeding bin (2) is fixed with a water inlet pipe (102) in communication, and the water inlet pipe (102) and the drain pipe (101) are centrally symmetrically arranged on the circumferential side of the reaction bin (1).
4. The continuous flow microreactor for preparing water-based paint according to claim 1, characterized in that: The bottom of the circumferential side of the reaction bin (1) is fixed with a base (105), and the end of the feeding pipe (205) away from the feeding bin (2) is fixed with a connector (206) in communication.
5. The continuous flow microreactor for preparing water-based paint according to claim 1, characterized in that: The end of the feeding bin (2) away from the reaction bin (1) is fixed with a driving motor (201), the output end of the driving motor (201) is fixed with a fixed shaft (202), the fixed shaft (202) penetrates through the end of the feeding bin (2) away from the reaction bin (1), the circumferential side of the fixed shaft (202) is fixed with stirring blades (203) in annular array, and the stirring blades (203) are arranged in the feeding bin (2).
6. The continuous flow microreactor for preparing water-based paint according to claim 1, characterized in that: The end of the fixed cover (3) away from the reaction bin (1) is fixed with an output pipe (301) in communication, the edge of the inner wall of the feeding bin (2) close to the reaction bin (1) is fixed with a filter disc (204), and the filter disc (204) is fixed on the end of the reaction bin (1).