Crystallization device for pigment red production

By designing automated mixing components, the problem of time-consuming manual mixing of pigment red and concentrated sulfuric acid was solved, achieving efficient and uniform mixing and improving the efficiency and quality of pigment red production.

CN223586611UActive Publication Date: 2025-11-25NINGXIA CAIYAN TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423197616.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-25
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In the existing technology, the mixing process of pigment red and concentrated sulfuric acid requires manual stirring, which is time-consuming and cumbersome, affecting the efficiency and quality of subsequent mixing and processing.

Method used

A mixing assembly comprising a motor, an internal gear ring, gears, a mounting rod, an auxiliary stirring rod, and a main stirring rod is designed. The motor drives the meshing of the gears and the internal gear ring to achieve automated mixing, thereby improving mixing uniformity and efficiency.

Benefits of technology

The automated mixing of pigment red and concentrated sulfuric acid has been achieved, which shortens the mixing time, improves the convenience and uniformity of mixing, and enhances the efficiency and quality of subsequent processing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223586611U_ABST
    Figure CN223586611U_ABST
Patent Text Reader

Abstract

The utility model discloses a crystallization device for pigment red production, which comprises a base, one side of the top of the base is provided with a mixing tank, the top of the outer side of the mixing tank is covered with a tank cover II, the inner top of the tank cover II is provided with a mixing assembly extending into the mixing tank, and the other side of the top of the base is provided with a crystallization tank. The top of the outer side of the crystallizing tank is covered with a first tank cover, and a water pump is installed in the middle of the top of the base. Through the structural design of a motor, a tank cover II, an inner gear ring, a gear, a mounting rod, an auxiliary stirring rod and a main stirring rod, the mixing function of pigment red and concentrated sulfuric acid can be realized, and through the mixing function of the structural design, manual mixing by an operator is not needed, so that the convenience and flexibility of later mixing are improved, the manual mixing time is shortened, and the working efficiency is improved. Meanwhile, through the structural design, the function of mixing pigment red and concentrated sulfuric acid at different positions in the mixing tank can be achieved, and the uniformity of later mixing is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pigment, concretely is crystallization device for pigment red production. BACKGROUND

[0002] Pigment red 177 (also known as PR.177, pigment red 3BL) is mainly used for coating, original paste coloring and polyolefin and PVC coloring, using 1-amino-4-bromoanthraquinone-2-sodium sulfonate (sodium bromoamino acid for short) as raw material, copper powder as catalyst, Ullmann condensation reaction in acid medium, and removing sulfonic acid group in sulfuric acid medium to obtain product PR.177, which is one of the main synthesis routes of PR.177, so a crystallization device for pigment red production needs to be designed.

[0003] The patent application number "202210551735.8" describes a "production method and production system of pigment red 177 for liquid crystal display screen", which first prepares crude pigment red 177, then dissolves the crude pigment red 177 in 98% concentrated sulfuric acid to obtain solution A. The hydrolysis bottom liquid is configured, and solution A is added into the hydrolysis bottom liquid. At a first temperature, recrystallization is carried out to obtain crystallization liquid B. Crystallization liquid B is filtered, washed with water and dried to obtain liquid crystal display screen pigment red 177. The process is simple, the prepared pigment red has a grain size of less than 100 nm, which can meet the use requirements of liquid crystal display screen, and the added value of crude pigment red 177 is improved.

[0004] However, the above-mentioned patent design has the following problems in actual use. The pigment red needs to be manually mixed with concentrated sulfuric acid during the mixing process, which takes a long time and is more tedious, affecting the later mixing processing efficiency. Utility model content

[0005] The utility model aims at providing a crystallization device for pigment red production, which solves the problem of low mixing efficiency of the above-mentioned pigment red and concentrated sulfuric acid, which affects the quality of the later mixed products.

[0006] To achieve the above-mentioned purpose, a crystallization device for pigment red production is provided, which includes a base, a mixing tank is installed on one side of the top of the base, a tank cover two is covered on the top of the outer side of the mixing tank, a mixing assembly extending into the mixing tank is arranged on the inner top of the tank cover two, a crystallization tank is installed on the other side of the top of the base, a tank cover one is covered on the top of the outer side of the crystallization tank, a water pump is installed at the middle position of the top of the base, a connecting pipe two communicating with the inner bottom of the mixing tank is arranged on the output end of the water pump, and a connecting pipe one communicating with the inner top of the tank cover one is arranged on the output end of the water pump.

[0007] According to the pigment red production crystallization device, the mixing assembly comprises a motor, an inner gear ring, a gear, a mounting rod, an auxiliary stirring rod and a main stirring rod, the motor is installed at the middle position of the top of the second tank cover, the output end of the motor is provided with the main stirring rod extending into the mixing tank, the top of the two sides of the main stirring rod is provided with the mounting rod, the inner sides of the two groups of mounting rods are provided with the auxiliary stirring rods penetrating through, the top of the two groups of auxiliary stirring rods is provided with the gear, and the inner gear ring is installed at the edge of the inner top of the second tank cover and is in meshing connection with the gear.

[0008] According to the pigment red production crystallization device, the inner sides of the two groups of inner threaded sleeve blocks are provided with the adjusting screws penetrating through in a threaded mode and matched with the inner threaded sleeve blocks, and the bottom of the adjusting screw is in rotating connection with the top of the base.

[0009] According to the pigment red production crystallization device, the inner sides of the two groups of inner threaded sleeve blocks are provided with the adjusting screws penetrating through in a threaded mode and matched with the inner threaded sleeve blocks, and the bottom of the adjusting screw is in rotating connection with the top of the base.

[0010] According to the pigment red production crystallization device, the inner sides of the two groups of inner threaded sleeve blocks are provided with the adjusting screws penetrating through in a threaded mode and matched with the inner threaded sleeve blocks, and the bottom of the adjusting screw is in rotating connection with the top of the base.

[0011] According to the pigment red production crystallization device, the inner sides of the two groups of inner threaded sleeve blocks are provided with the adjusting screws penetrating through in a threaded mode and matched with the inner threaded sleeve blocks, and the bottom of the adjusting screw is in rotating connection with the top of the base.

[0012] Compared with the prior art, the pigment red production crystallization device has the beneficial effects that: through the structural design of the motor, the second tank cover, the inner gear ring, the gear, the mounting rod, the auxiliary stirring rod and the main stirring rod, the mixing function of pigment red and concentrated sulfuric acid can be realized, the mixing function of the structure design does not need manual mixing of the operator, the convenience and flexibility of the later mixing are improved, the time length of manual mixing is shortened, and the mixing function of pigment red and concentrated sulfuric acid at different positions in the mixing tank can be realized through the structural design, and the uniformity of the later mixing is improved.

[0013] Additional aspects and advantages of the present application will be described in the following description and become apparent from the following description or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in conjunction with the drawings and embodiments.

[0015] Figure 1 It is a perspective view of the mixing tank of the pigment red production crystallization device.

[0016] Figure 2 It is the stereogram of the main stirring rod of the crystallization device for pigment red production of the utility model;

[0017] Figure 3 It is the stereogram of the inner gear ring of the crystallization device for pigment red production of the utility model;

[0018] Figure 4 It is the front view of the crystallization device for pigment red production of the utility model.

[0019] In the figure: 1, base; 2, water pump; 3, crystallization tank; 4, adjusting screw; 5, inner thread sleeve block; 6, tank cover one; 7, connecting pipe one; 8, motor; 9, tank cover two; 10, inner gear ring; 11, gear; 12, mounting rod; 13, auxiliary stirring rod; 14, main stirring rod; 15, mixing tank; 16, connecting pipe two. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model embodiment provides a technical scheme: the crystallization device for pigment red production, including base 1, one side of base 1 top is installed with mixing tank 15, and the top of the outer side of mixing tank 15 is covered with tank cover two 9, and the inner top of tank cover two 9 is equipped with the mixing assembly extending to the inside of mixing tank 15, and the other side of base 1 top is installed with crystallization tank 3, and the top of the outer side of crystallization tank 3 is covered with tank cover one 6, and the middle position of base 1 top is installed with water pump 2, and the output end of water pump 2 is equipped with the connecting pipe two 16 being connected with the inner bottom of mixing tank 15, and the output end of water pump 2 is equipped with the connecting pipe one 7 being connected with the inner top of tank cover one 6, solve the problem that the mixing efficiency of pigment red and concentrated sulfuric acid is low, and affect the quality of the later mixed processing product.

[0022] The mixing assembly comprises a motor 8, an inner gear ring 10, a gear 11, a mounting rod 12, an auxiliary stirring rod 13 and a main stirring rod 14, the motor 8 is installed at the middle position of the top of the second tank cover 9, the output end of the motor 8 is provided with the main stirring rod 14 extending into the inside of the mixing tank 15, the top of the two sides of the main stirring rod 14 is provided with the mounting rod 12, the inside of the two groups of mounting rods 12 is provided with the auxiliary stirring rod 13 penetrating from one side, the top of the two groups of auxiliary stirring rods 13 is provided with the gear 11, the inner gear ring 10 is installed at the edge of the top of the second tank cover 9, and the inner gear ring 10 is engaged with the gear 11, and the rotation of the main stirring rod 14 and the auxiliary stirring rod 13 can be realized at the same time through the driving of the motor 8, and the auxiliary stirring rod 13 can also rotate to improve the uniformity and efficiency of the later mixing.

[0023] The second tank cover 9 and the first tank cover 6 are provided with an inner threaded sleeve block 5 away from each other, the inside of the two groups of inner threaded sleeve blocks 5 is provided with an adjusting screw 4 penetrating from one side in a threaded manner, and the bottom of the adjusting screw 4 is rotatably connected with the top of the base 1, the structure design of the inner threaded sleeve block 5 and the adjusting screw 4 can conveniently realize the upward movement of the second tank cover 9 and the first tank cover 6, realize the opening function of the mixing tank 15 and the crystallization tank 3, facilitate the later material feeding and taking out, the middle position of the side close to each other of the mixing tank 15 and the crystallization tank 3 is provided with a fixed block, and the middle position of the inside of the fixed block is provided with a through hole matched with the connecting pipe 7, the design of the fixed block can realize the fixed connection of the mixing tank 15 and the crystallization tank 3, and the through hole can also conveniently realize the penetration and removal of the connecting pipe 7 later, the side close to each other of the first tank cover 6 and the second tank cover 9 is provided with a limiting block, and the inside of the two groups of limiting blocks is provided with a limiting rod connected with the fixed block, which facilitates the limiting function of the movement of the first tank cover 6 and the second tank cover 9, improves the stability of the later displacement, prevents it from rotating with the adjusting screw 4, and the bottom of the side away from each other of the mixing tank 15 and the crystallization tank 3 is provided with a supporting rod, and the supporting rod is connected with the top of the base 1, which facilitates the fixed installation of the mixing tank 15 and the crystallization tank 3.

[0024] Working principle: in use, the operator can rotate a group of adjusting screw rod 4, and then cooperate with a group of internal thread sleeve block 5 to realize the lifting work of the tank cover two 9 and its above components, and then put the pigment red and concentrated sulfuric acid into the inside of the mixing tank 15, and then reverse rotate a group of adjusting screw rod 4 to realize the cover of the tank cover two 9 and the mixing tank 15, and then realize the rotation of the main stirring rod 14 and its above components through the work of the motor 8, through the rotation of the main stirring rod 14, the mixing work of the concentrated sulfuric acid and the pigment red in the mixing tank 15 can be realized, and through the main stirring rod 14, the installation rod 12 and the auxiliary stirring rod 13 can be rotated, through the rotation of the auxiliary stirring rod 13 following the main stirring rod 14, the mixing work of the outer periphery of the main stirring rod 14 can be realized, finally, through the meshing design of the inner gear ring 10 and the gear 11, when the installation rod 12 drives the auxiliary stirring rod 13 to rotate in a large range, the auxiliary stirring rod 13 can also rotate around its own axis through the inner gear ring 10 and the gear 11, through the automatic rotation of the auxiliary stirring rod 13, the rotation function of the auxiliary stirring rod 13 when it revolves around the sun can be realized, so as to improve the uniformity of the mixing of the concentrated sulfuric acid and the pigment red, and shorten the mixing time.

[0025] After mixing, the mixed pigment red and concentrated sulfuric acid can be transmitted to the inside of the crystallization tank 3 through the connecting pipe two 16 and the connecting pipe one 7 through the water pump 2, and the pigment red crystal can be obtained by reacting the mixed pigment red and concentrated sulfuric acid with the water and sodium chloride stored in the inside of the crystallization tank 3.

[0026] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the present application.

Claims

1. Crystallization apparatus for the production of Pigment Red, comprising a base (1), characterized by the fact that, One side of the top of the base (1) is provided with a mixing tank (15), the top of the outer side of the mixing tank (15) is covered with a tank cover two (9), the inner top of the tank cover two (9) is provided with a mixing assembly extending into the mixing tank (15), the other side of the top of the base (1) is provided with a crystallization tank (3), the top of the outer side of the crystallization tank (3) is covered with a tank cover one (6), the middle position of the top of the base (1) is provided with a water pump (2), the output end of the water pump (2) is provided with a connecting pipe two (16) in communication with the inner bottom of the mixing tank (15), and the output end of the water pump (2) is provided with a connecting pipe one (7) in communication with the inner top of the tank cover one (6).

2. The pigment red production crystallization apparatus according to claim 1, characterized by: The mixing assembly comprises a motor (8), an inner ring gear (10), a gear (11), a mounting rod (12), an auxiliary stirring rod (13) and a main stirring rod (14), the motor (8) is installed at the middle position of the top of the tank cover two (9), the output end of the motor (8) is provided with the main stirring rod (14) extending into the mixing tank (15), the top of both sides of the main stirring rod (14) is provided with the mounting rod (12), the inner side of both groups of mounting rods (12) is provided with the auxiliary stirring rod (13) penetrating therefrom, the top of both groups of auxiliary stirring rods (13) is provided with the gear (11), and the inner ring gear (10) is installed at the edge of the inner top of the tank cover two (9) and is engaged with the gear (11).

3. The pigment red production crystallization apparatus according to claim 1, characterized by: The inner thread sleeve block (5) is provided on the side away from the tank cover two (9) and the tank cover one (6), the inner thread sleeve block (5) is provided with the adjusting screw (4) penetrating therefrom in a threaded manner, and the bottom of the adjusting screw (4) is rotatably connected with the top of the base (1).

4. The pigment red production crystallization apparatus according to claim 1, characterized by: The middle position of the side close to the mixing tank (15) and the crystallization tank (3) is provided with a fixing block, and the middle position of the inner part of the fixing block is provided with a through hole matched with the connecting pipe one (7).

5. The pigment red production crystallization apparatus according to claim 1, characterized by: The side close to the tank cover one (6) and the tank cover two (9) is provided with a limiting block, and the inner part of the limiting block is provided with a limiting rod connected with the fixing block.

6. The pigment red production crystallization apparatus according to claim 1, characterized by: The bottom of the side away from the mixing tank (15) and the crystallization tank (3) is provided with a supporting rod, and the supporting rod is connected with the top of the base (1).

Citation Information

Patent Citations

  • Production method and production system of pigment red 177 for liquid crystal display screen

    CN115011138A