Decoloring device for p-hydroxyphenylacetic acid
By designing a reciprocating moving structure of rotating plate and stirring paddle in the p-hydroxyphenylacetic acid decolorization device, the problem of long decolorization reaction time caused by unidirectional rotation was solved, and rapid and uniform mixing of p-hydroxyphenylacetic acid stock solution and oxidant was achieved, thus improving decolorization efficiency.
Patent Information
- Application Number
- CN202520412270.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-10
AI Technical Summary
The unidirectional rotation of the agitator in existing p-hydroxyphenylacetic acid decolorization devices results in long decolorization reaction times and poor efficiency.
Design a reaction device with a rotating plate and a stirring paddle. The stirring paddle is driven to rotate by a motor and moved back and forth in the reaction chamber by a return spring and a roller structure, so as to achieve rapid and uniform mixing of p-hydroxyphenylacetic acid stock solution and oxidant.
This improved the rate of the decolorization reaction, ensuring a rapid and uniform reaction between the p-hydroxyphenylacetic acid stock solution and the oxidant, thus enhancing the decolorization efficiency.
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Figure CN223901855U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of chemical processing technology, especially relates to p-hydroxyphenyl acetic acid decoloring device. BACKGROUND
[0002] P-hydroxyphenyl acetic acid is an important organic compound, and is widely used in the fields of medicine, pesticide and chemical industry. In the production process, due to the existence of raw material impurities or by-products, the product may have color, which affects its purity and application effect. Therefore, decolorization is an important step to improve the quality of p-hydroxyphenyl acetic acid product.
[0003] The existing p-hydroxyphenyl acetic acid decoloring device pours the p-hydroxyphenyl acetic acid stock solution which needs to be decolorized into the reaction cylinder, adds an appropriate amount of oxidizing agent to the solution, controls the reaction conditions (such as temperature and pH value), then the motor controls the stirring shaft to rotate, and the rotation of the stirring paddle assists the reaction of the oxidizing agent and the p-hydroxyphenyl acetic acid stock solution, the strong oxidizing agent (such as hydrogen peroxide and sodium hypochlorite) is used to oxidize and decompose the colored substances into colorless or light-colored substances, so that the colored substances are oxidized and decomposed. However, in the process of use, the stirring paddle arranged in the reaction cylinder can only rotate in a single direction, the stirring direction is single, and a long time is needed to make the p-hydroxyphenyl acetic acid stock solution and the oxidizing agent fully react during the decolorization reaction, resulting in poor decolorization efficiency of p-hydroxyphenyl acetic acid. UTILITY MODEL CONTENT
[0004] Therefore, the utility model provides p-hydroxyphenyl acetic acid decoloring device in view of the deficiency of prior art, can reciprocate constantly in the process of driving the stirring paddle to rotate when the p-hydroxyphenyl acetic acid stock solution and the oxidizing agent react, can make the p-hydroxyphenyl acetic acid stock solution and the oxidizing agent mix uniformly and react quickly, and can effectively ensure the reaction rate.
[0005] To solve the above technical problems, the utility model adopts the technical scheme of: the p-hydroxyphenyl acetic acid decoloring device, including the reaction cylinder, the left side inner wall of reaction cylinder is provided with rotating seat no. 1, rotating seat no. 1 is close to the one side rotation of the vertical center of reaction cylinder and is provided with rotating plate no. 1, the right side inner wall of reaction cylinder is provided with rotating seat no. 2, rotating seat no. 2 is close to the one side rotation of the vertical center of reaction cylinder and is provided with rotating plate no. 2, rotating plate no. 1 is slidably provided with multiple evenly distributed slide columns no. 1, the one side of slide column no. 1 close to the vertical center of reaction cylinder is evenly provided with motor base, rotating plate no. 2 is slidably provided with multiple evenly distributed slide columns no. 2, motor base and adjacent slide column no. 2 are rotationally provided with stirring paddle; The inside of motor base is provided with motor no. 2, and the output shaft of motor no. 2 is fixed between adjacent stirring paddles through a shaft coupling. The lower end of the reaction cylinder is provided with a support, and the lower end of the support is provided with a supporting leg at four corners.
[0006] As further improvement of the utility model, the middle part of rotating plate two is provided with a fixing frame, a plurality of uniformly distributed support columns are arranged on the fixing frame, the support columns are respectively connected with the adjacent slide posts two in sliding mode, reset springs are arranged between the slide posts two and the fixing frame, the reset springs are all sleeved on the outer side of the support columns, the inside of rotating seat one is provided with a fixing ring, the side of the fixing ring close to the slide post one is provided with an adjusting rail, a roller seat is arranged on the slide post one, a V-shaped groove roller is rotatably arranged in the inside of the roller seat, and the V-shaped groove roller is installed in cooperation with the adjusting rail; a motor one is arranged on the reaction cylinder, and the output shaft of the motor one is fixedly connected with the rotating plate one.
[0007] As further improvement of the utility model, the middle part of rotating plate two is provided with a fixing frame, a plurality of uniformly distributed support columns are arranged on the fixing frame, the support columns are respectively connected with the adjacent slide posts two in sliding mode, reset springs are arranged between the slide posts two and the fixing frame, the reset springs are all sleeved on the outer side of the support columns, the inside of rotating seat one is provided with a fixing ring, the side of the fixing ring close to the slide post one is provided with an adjusting rail, a roller seat is arranged on the slide post one, a V-shaped groove roller is rotatably arranged in the inside of the roller seat, and the V-shaped groove roller is installed in cooperation with the adjusting rail; a motor one is arranged on the reaction cylinder, and the output shaft of the motor one is fixedly connected with the rotating plate one.
[0008] As further improvement of the utility model, the middle part of rotating plate two is provided with a fixing frame, a plurality of uniformly distributed support columns are arranged on the fixing frame, the support columns are respectively connected with the adjacent slide posts two in sliding mode, reset springs are arranged between the slide posts two and the fixing frame, the reset springs are all sleeved on the outer side of the support columns, the inside of rotating seat one is provided with a fixing ring, the side of the fixing ring close to the slide post one is provided with an adjusting rail, a roller seat is arranged on the slide post one, a V-shaped groove roller is rotatably arranged in the inside of the roller seat, and the V-shaped groove roller is installed in cooperation with the adjusting rail; a motor one is arranged on the reaction cylinder, and the output shaft of the motor one is fixedly connected with the rotating plate one.
[0009] Compared with the prior art, the utility model has the advantages of the following:
[0010] Firstly, the motor two drives the stirring paddle connected therewith to rotate, and the rotation of the stirring paddle assists the reaction of the p-hydroxyphenyl acetic acid stock solution and the oxidizing agent.
[0011] Secondly, the output shaft of the motor one reciprocatingly rotates in forward and reverse directions, so that the output shaft of the motor one drives the rotating plate one and the rotating plate two to reciprocatingly rotate in forward and reverse directions, and the stirring paddle reciprocatingly rotates around the transverse center of the reaction cylinder during self-rotation.
[0012] Thirdly, the pressure of the reset spring on the slide post two drives the V-shaped groove roller arranged on the slide post one to contact the adjusting rail, so that the stirring paddle reciprocatingly moves left and right during self-rotation around the transverse center of the reaction cylinder, and the p-hydroxyphenyl acetic acid stock solution and the oxidizing agent can be uniformly mixed and reacted quickly and evenly, and the reaction rate can be effectively ensured.
[0013] Fourthly, the friction between the support and the ground is increased by the supporting legs arranged at the lower end of the support, so that the support is prevented from moving easily during use. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further described in detail in combination with the drawings and specific embodiments.
[0015] Figure 1 The structure of the utility model is schematically shown in the figure;
[0016] Figure 2 The inside structure of the utility model is schematically shown in the figure;
[0017] Figure 3 It is the enlarged structure schematic view of the utility model at A place;
[0018] Figure 4 It is the plane structure schematic view of the utility model.
[0019] In the drawing: 101, support; 102, reaction cylinder; 103, electromagnetic valve one; 104, electromagnetic valve two; 105, support leg; 201, rotating seat one; 202, rotating plate one; 203, slide column one; 204, motor seat; 205, rotating seat two; 206, rotating plate two; 207, slide column two; 208, stirring paddle; 209, fixed frame; 210, support column; 211, reset spring; 212, fixed ring; 213, adjusting rail; 214, roller seat; 215, V-shaped groove roller; 216, motor one; 301, control box. DETAILED DESCRIPTION
[0020] In order to better understand the utility model, the content of the utility model is further clarified below in conjunction with examples, but the protection content of the utility model is not limited to the following examples only. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details.
[0021] As Figure 2 , 3As shown, including reaction cylinder 102, the left side wall of reaction cylinder 102 is provided with rotating seat one 201, rotating seat one 201 is rotatably arranged with rotating plate one 202 near one side of the vertical center of reaction cylinder 102, the right side wall of reaction cylinder 102 is provided with rotating seat two 205, rotating seat two 205 is rotatably arranged with rotating plate two 206 near one side of the vertical center of reaction cylinder 102, a plurality of uniformly distributed slide columns one 203 are slidably arranged on rotating plate one 202, each of slide columns one 203 is provided with motor seat 204 near one side of the vertical center of reaction cylinder 102, a plurality of uniformly distributed slide columns two 207 are slidably arranged on rotating plate two 206, each of motor seat 204 and adjacent slide columns two 207 is rotatably provided with stirring paddle 208; The middle part of rotating plate two 206 is provided with fixed frame 209, a plurality of uniformly distributed support columns 210 are arranged on fixed frame 209, each of support columns 210 is slidably connected between adjacent slide columns two 207, each of slide columns two 207 and fixed frame 209 is provided with reset spring 211, each of reset springs 211 is sleeved on the outside of support column 210, the inside of rotating seat one 201 is provided with fixed ring 212, one side of fixed ring 212 near slide columns one 203 is provided with adjusting rail 213, each of slide columns one 203 is provided with roller seat 214, V-shaped groove rollers 215 are rotatably arranged in the inside of each of roller seats 214, each of V-shaped groove rollers 215 is installed in cooperation with adjusting rail 213; The place where the feed pipe is arranged at the upper end of reaction cylinder 102 is provided with electromagnetic valve one 103, and the place where the discharge pipe is arranged at the lower end of reaction cylinder 102 is provided with electromagnetic valve two 104.
[0022] As shown in Figure 2 , 4 As shown, the inside of each of motor seats 204 is provided with motor two, the output shaft of each of motor two is fixed between adjacent stirring paddles 208 through a shaft coupling.
[0023] As shown in Figure 1 , 2 As shown, motor one 216 is arranged on reaction cylinder 102, and the output shaft of motor one 216 is fixedly connected with rotating plate one 202.
[0024] As shown in Figure 1 ,
[0025] In use, electromagnetic valve one 103 is controlled to run by control box 301, so that electromagnetic valve one 103 controls the opening of the feed pipe, so that p-hydroxyphenylacetic acid stock solution and oxidizing agent enter the inside of reaction cylinder 102;
[0026] The motor one 216 and the motor two are controlled and regulated by the control box 301 to drive the stirring paddle 208 connected with the motor two to rotate, the reaction of the p-hydroxyphenyl acetic acid stock solution and the oxidizing agent is assisted by the rotation of the stirring paddle 208, the output shaft of the motor one 216 reciprocatingly rotates in positive and negative directions, and the output shaft of the motor one 216 drives the rotating plate one 202 and the rotating plate two 206 to reciprocatingly rotate in positive and negative directions, so that the stirring paddle 208 reciprocatingly rotates around the transverse center of the reaction cylinder 102 in the process of self-rotation; in the process of rotation of the rotating plate one 202, the V-shaped groove roller 215 provided on the sliding column one 203 is contacted with the adjusting rail 213 by the pressure of the reset spring 211 on the sliding column two 207, and the V-shaped groove roller 215 is driven to move on the adjusting rail 213 by the reciprocating rotation of the rotating plate one 202 and the rotating plate two 206 in positive and negative directions, and the stirring paddle 208 is driven to reciprocate in the process of reciprocating rotation around the transverse center of the reaction cylinder 102 by the cooperation of the adjusting rail 213 and the V-shaped groove roller 215; and then the stirring paddle 208 is reciprocated left and right in the process of reciprocating rotation around the transverse center of the reaction cylinder 102 in the process of self-rotation by the cooperation of the motor one 216 and the motor two, so that the p-hydroxyphenyl acetic acid stock solution and the oxidizing agent can be quickly and uniformly mixed and reacted, and the reaction rate can be effectively ensured.
[0027] According to another embodiment of the present application, as shown in Figure 1 、 4 The lower end of the reaction cylinder 102 is provided with a support 101, and the lower end of the support 101 is provided with supporting legs 105 at four corners. In use, the supporting legs 105 at the lower end of the support 101 can increase the friction between the support 101 and the ground, so that the support 101 can be prevented from moving easily in use.
[0028] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application but not limit the present application, and other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application.
Claims
1. A device for decolorizing p-hydroxybenzoic acid, comprising a reaction cylinder (102), characterized in that: The left side inner wall of the reaction cylinder (102) is provided with a rotating seat one (201), the rotating seat one (201) is rotatably provided with a rotating plate one (202) near one side of the vertical center of the reaction cylinder (102), the right side inner wall of the reaction cylinder (102) is provided with a rotating seat two (205), the rotating seat two (205) is rotatably provided with a rotating plate two (206) near one side of the vertical center of the reaction cylinder (102), a plurality of uniformly distributed slide columns one (203) are slidably arranged on the rotating plate one (202), and each of the slide columns one (203) is provided with a motor seat (204) near one side of the vertical center of the reaction cylinder (102); a plurality of uniformly distributed slide columns two (207) are slidably arranged on the rotating plate two (206), and each of the motor seats (204) is rotatably provided with a stirring paddle (208) between adjacent slide columns two (207).
2. The p-hydroxyphenylacetic acid decolorizing apparatus according to claim 1, wherein: The inside of each of the motor seats (204) is provided with a motor two, and the output shaft of the motor two is fixed between adjacent stirring paddles (208) through a shaft coupling.
3. The p-hydroxyphenylacetic acid decolorizing apparatus according to claim 1, wherein: The middle part of the rotating plate two (206) is provided with a fixing frame (209), a plurality of uniformly distributed support columns (210) are arranged on the fixing frame (209), the support columns (210) are slidably connected between adjacent slide columns two (207) respectively, a reset spring (211) is arranged between each of the slide columns two (207) and the fixing frame (209), the reset spring (211) is sleeved on the outside of the support column (210), the inside of the rotating seat one (201) is provided with a fixing ring (212), the side of the fixing ring (212) near the slide column one (203) is provided with an adjusting rail (213), a roller seat (214) is arranged on each of the slide columns one (203), a V-shaped groove roller (215) is rotatably arranged in the inside of each of the roller seats (214), and the V-shaped groove rollers (215) are mounted in cooperation with the adjusting rail (213).
4. The p-hydroxyphenylacetic acid decolorizing apparatus according to claim 2, wherein: A motor one (216) is arranged on the reaction cylinder (102), and the output shaft of the motor one (216) is fixedly connected with the rotating plate one (202).
5. The p-hydroxyphenylacetic acid decolorizing apparatus according to claim 4, wherein: An electromagnetic valve one (103) is arranged at the feeding pipe arranged at the upper end of the reaction cylinder (102), and an electromagnetic valve two (104) is arranged at the discharging pipe arranged at the lower end of the reaction cylinder (102).
6. The p-hydroxyphenylacetic acid decolorizing apparatus according to claim 5, wherein: The outside of the reaction cylinder (102) is provided with a control box (301), the electromagnetic valve one (103), the electromagnetic valve two (104), the motor one (216) and the motor two are electrically connected with the control box (301).
7. The p-hydroxyphenylacetic acid decolorizing apparatus according to claim 1, wherein: The lower end of the reaction cylinder (102) is provided with a support (101), and the lower end of the support (101) is provided with supporting legs (105) at four corners.