WO2020228553A1

WO2020228553A1 - Integrated evaporation and crystallization device

Info

Publication number: WO2020228553A1
Application number: PCT/CN2020/088353
Authority: WO
Inventors: 树晓荣
Original assignee: 江苏嘉泰蒸发设备股份有限公司
Priority date: 2019-05-12
Filing date: 2020-04-30
Publication date: 2020-11-19
Also published as: CN209952276U

Abstract

Disclosed is an integrated evaporation and crystallization device, comprising a heating cylinder (1) and a liquid accumulation cylinder (8), wherein the liquid accumulation cylinder (8) is located at the bottom of the heating cylinder (1), the liquid accumulation cylinder (8) is in communication with the heating cylinder (1) via a pressurizing cylinder (7), the top of the heating cylinder (1) is fixedly connected to a first driving electric motor (3) by means of bolts, an output shaft of the first driving electric motor (3) penetrates the top of the pressurizing cylinder (7) and is welded to a threaded rod (22), and a piston (18) is sheathed on the threaded rod (22). By means of the control of the first driving electric motor (3) over the piston (18), a solution in the heating cylinder (1) can rapidly pass through a first filter screen (5), and a solution in the liquid accumulation cylinder (8) accelerates so as to pass through a second filter screen (17). By means of a first scraper plate (6) and a second scraper plate (16) cooperating with the corresponding filter screens, no blocking occurs in the filtering process.

Description

Integrated evaporation crystallization device

Technical field

The invention relates to the technical field of industrial production, in particular to an integrated evaporation crystallization device.

Background technique

Evaporation refers to the process of removing the solvent from the solute by heating the solvent in the solution; crystallization is the process of polymerizing the solute to become a solid (crystal).

However, the existing evaporative crystallization device still has shortcomings in the use process. Due to the different solubility of crystals at different temperatures, there are two different preparations: "evaporation concentration, filtration while hot" and "evaporation concentration, cooling crystallization filtration". As a result, the existing evaporative crystallization device needs to use multiple equipment for the preparation of different crystals. The volume of the equipment is too large, the occupied space is large, and the energy waste is large; and the existing evaporative crystallization device has filtration efficiency Poor, resulting in a long preparation cycle.

Summary of the invention

The purpose of the present invention is to provide an integrated evaporative crystallization device in order to solve the problem of large volume and low efficiency of the existing evaporative crystallization device.

In order to achieve the above objectives, the present invention adopts the following technical solutions:

An integrated evaporative crystallization device, comprising a heating cylinder and a liquid accumulation cylinder, the liquid accumulation cylinder is located at the bottom of the heating cylinder, and the liquid accumulation cylinder is connected with the heating cylinder through a pressurizing cylinder, and the top of the heating cylinder is fixedly connected with a bolt The first drive motor, and the output shaft of the first drive motor penetrates the top of the pressure cylinder with a threaded rod welded thereon, the threaded rod is sleeved with a piston, and the piston is slidingly connected to the inner wall of the pressure cylinder through a stop block, A plurality of one-way channel valves are embedded in the top of the pressurizing cylinder, and a plurality of solenoid valves are embedded in the piston.

As a further description of the above technical solution:

A heater is embedded in the heating cylinder, and a feeding control valve is communicated with one side of the heating cylinder.

As a further description of the above technical solution:

A first filter screen is fixedly connected to the inside of the bottom of the heating cylinder, and a first scraper is attached to the top of the first filter screen, and one side of the first scraper is welded to the output shaft of the first drive motor.

As a further description of the above technical solution:

The inside of the liquid accumulation cylinder is communicated with a material leakage port, and a valve is arranged on the material leakage opening, and a limit groove is arranged on the liquid accumulation cylinder.

As a further description of the above technical solution:

A toothed ring is embedded in the limiting groove, and a second filter screen is fixedly connected to the inner side of the toothed ring, and a second scraper welded to the leakage opening is attached to the top of the second filter screen. A second drive motor is fixedly connected with a bolt on one side of the material leakage opening, and the output shaft of the second drive motor is meshed and connected with the gear ring through a gear plate.

As a further description of the above technical solution:

A leakage control valve is communicated with one side of the liquid accumulation cylinder.

In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

1. In the present invention, the heating cylinder, the pressurizing cylinder and the liquid accumulation cylinder are stacked and welded up and down, so that the volume of the device is reduced, and the solutions with different filtering requirements are separated, so that the same equipment can mix solutions. The separation of the crystals improves the scope of application of the device.

2. In the present invention, through the control of the piston by the first drive motor, the solution in the heating cylinder can pass through the first filter screen more quickly, and the solution in the liquid accumulation cylinder can accelerate through the second filter screen, avoiding crystals during the filtration process. The re-dissolution affects the crystallization effect, and through the cooperation of the first scraper and the second scraper with the respective filter screens, there will be no clogging during the filtration process, which affects the efficiency of the filtration.

Description of the drawings

Fig. 1 is a schematic partial cross-sectional structure diagram of an integrated evaporation crystallization device proposed by the present invention;

2 is a schematic diagram of the longitudinal sectional structure of the leakage opening of an integrated evaporation crystallization device proposed by the present invention;

Fig. 3 is a schematic diagram of a longitudinal sectional structure of a pressure cylinder of an integrated evaporative crystallization device proposed by the present invention.

illustration:

1. Heating cylinder; 2. Heater; 3. First drive motor; 4. Feeding control valve; 5. First filter screen; 6. First scraper; 7. Pressurizing cylinder; 8. Liquid accumulation cylinder; 9. , Leakage control valve; 10. Leakage port; 11, valve; 12, limit slot; 13, the second drive motor; 14, the gear plate; 15, the gear ring; 16, the second scraper; 17, the first Two filter screens; 18. Piston; 19. Solenoid valve; 20. Limit block; 21. One-way channel valve; 22. Threaded rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Referring to Figures 1-3, the present invention provides a technical solution: an integrated evaporative crystallization device, comprising a heating cylinder 1 and a liquid accumulation cylinder 8. The liquid accumulation cylinder 8 is located at the bottom of the heating cylinder 1, and the liquid accumulation cylinder 8 passes The pressure cylinder 7 is in communication with the heating cylinder 1, the top of the heating cylinder 1 is fixedly connected with a first drive motor 3 by bolts, and the output shaft of the first drive motor 3 penetrates the top of the pressure cylinder 7 and is welded with a threaded rod 22, the threaded rod 22 A piston 18 is sleeved on the upper sleeve, and a nut sleeve is provided at the center of the piston 18, which is engaged and rotatably connected with the threaded rod 22, and the piston 18 is slidingly connected to the inner wall of the pressurizing cylinder 7 through a stop block 20 for aligning the piston 18 The top of the pressure cylinder 7 is embedded with a plurality of one-way channel valves 21, the one-way channel valve 21 faces the inside of the pressure cylinder 7, and the piston 18 is embedded with a plurality of solenoid valves 19 .

Specifically, as shown in Figures 1 and 3, a heater 2 is embedded in the heating cylinder 1, and a feeding control valve 4 is connected to one side of the heating cylinder 1, and a first filter is fixedly connected to the inside of the bottom of the heating cylinder 1. The top of the first filter screen 5 is attached to the first scraper 6, and one side of the first scraper 6 is welded to the output shaft of the first drive motor 3, so that when the first drive motor 3 rotates, The first scraper 6 rotates to scrape the filter residue on the first filter screen 5.

Specifically, as shown in Figures 1 and 2, the inside of the liquid accumulation cylinder 8 is communicated with a leakage port 10, and the leakage opening 10 is provided with a valve 11, and the accumulation cylinder 8 is provided with a

limiting groove

12, 12 is a two-stage structure. A toothed ring 15 is embedded in the limiting groove 12, and the inner side of the toothed ring 15 is fixedly connected to a second filter screen 17, and the top of the second filter screen 17 is attached to the leaking material The second scraper 16 welded to the port 10, one side of the leakage port 10 is bolted to the second drive motor 13, and the output shaft of the second drive motor 13 is meshed and connected with the snap ring 15 through the gear plate 14 The second driving motor 13 drives the gear ring 15 to rotate to prevent the second filter screen 17 from clogging, and a leakage control valve 9 is connected to one side of the liquid accumulation cylinder 8.

Working principle: When in use, feed the inside of the heating cylinder 1 through the feed control valve 4. After the feed is completed, turn on the heater 2 to heat and evaporate. When heated to a certain level, the crystals that are less affected by the temperature will be The crystals that are largely affected by the temperature will dissolve in the water and reach a saturated state. At this time, when the solution is still at a high temperature, the first drive motor 3 is started to run, and the first drive motor 3 runs At this time, the first scraper 6 welded with the output shaft performs the operation of scraping the filter residue on the first filter screen 5 to prevent clogging, and the threaded rod 22 connected to the output shaft of the first drive motor 3 touches and drives the piston 18. 18 The upper limit block 20 makes the piston 18 move up and down. When the piston 18 moves down, the pressure inside the pressurizing cylinder 7 increases due to the action of the solenoid valve 19, and the solution inside the heating cylinder 1 For suction, when the piston 18 moves upward, due to the action of the one-way channel valve 21, the solution enters the liquid accumulation cylinder 8 through the solenoid valve 19 for storage, and at this time, the air leakage control valve 9 is opened to make the liquid accumulation The pressure inside the cylinder 8 is kept balanced. After the filtration of the solution in the heating cylinder 1 is completed, after the solution in the liquid accumulation cylinder 8 is cooled, when crystals that are greatly affected by the temperature are precipitated, the first drive motor 3 is restarted, And close the air leakage control valve 9, start the second drive motor 13 to operate, the second drive motor 13 drives the second filter 17 inside the gear ring 15 to move at the bottom of the second scraper 16, so as to avoid clogging. When the piston 18 moves downwards, the charging control valve 4 is opened to allow air to enter, and the piston 18 squeezes the liquid accumulation cylinder 8 at the bottom. Due to the control of the one-way channel valve 21, the internal pressure of the liquid accumulation cylinder 8 increases , Thereby accelerating the discharge of the solution inside the liquid accumulation cylinder 8 and accelerating the filtration efficiency.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Anyone familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution of the present invention The equivalent replacement or change of the inventive concept thereof shall be covered by the protection scope of the present invention.

Claims

An integrated evaporative crystallization device, comprising a heating cylinder (1) and a liquid accumulation cylinder (8), characterized in that the liquid accumulation cylinder (8) is located at the bottom of the heating cylinder (1), and the liquid accumulation cylinder (8) The pressure cylinder (7) communicates with the heating cylinder (1), the top bolt of the heating cylinder (1) is fixedly connected with the first driving motor (3), and the output shaft of the first driving motor (3) penetrates through the pressure The top of the cylinder (7) is welded with a threaded rod (22), the threaded rod (22) is sleeved with a piston (18), and the piston (18) passes through the limit block (20) and the pressure cylinder (7) The inner wall is slidingly connected, a plurality of one-way channel valves (21) are embedded on the top of the pressurizing cylinder (7), and a plurality of solenoid valves (19) are embedded inside the piston (18).
The integrated evaporative crystallization device according to claim 1, characterized in that a heater (2) is embedded in the heating cylinder (1), and one side of the heating cylinder (1) is connected with a feeding control Valve (4).
The integrated evaporative crystallization device according to claim 1, characterized in that a first filter (5) is fixedly connected to the inside of the bottom of the heating cylinder (1), and the top of the first filter (5) A first scraper (6) is attached, and one side of the first scraper (6) is welded to the output shaft of the first drive motor (3).
An integrated evaporative crystallization device according to claim 1, characterized in that the inside of the liquid accumulation cylinder (8) is communicated with a leakage port (10), and the leakage port (10) is provided with a valve ( 11) A limit slot (12) is provided on the liquid accumulation cylinder (8).
An integrated evaporation crystallization device according to claim 4, characterized in that, a snap ring (15) is embedded inside the limiting groove (12), and the inner side of the snap ring (15) is fixedly connected There is a second filter screen (17), the top of the second filter screen (17) is attached with a second scraper (16) welded with the leakage opening (10), one of the leakage opening (10) The side bolts are fixedly connected with a second driving motor (13), and the output shaft of the second driving motor (13) is meshedly connected with the gear ring (15) through a gear disc (14).
The integrated evaporative crystallization device according to claim 1, characterized in that, a leakage control valve (9) is communicated with one side of the liquid accumulation cylinder (8).