A high efficiency agitator for crystallization tanks

Abstract

The utility model discloses a kind of high-efficiency stirrers for crystallizing tank;Including crystallizing tank body and the tank cover of being installed in the top of crystallizing tank body, oblique vane turbine type blade can effectively agitate crystallizing solution, promote solution to mix evenly, improve crystallization reaction efficiency, multifunctional stirring piece can scrape off the crystallization on the inner wall of crystallizing tank body, avoid crystallization adhering on tank wall to influence crystallization effect and tank body service life, helical blade can make solution produce axial flow, strengthen solution's up and down circulation, further improve solution mixing effect, break up blade can break up larger crystalline particle, promote the formation of small particle crystallization, improve the uniformity of crystallization and product quality, and cleaning mechanism can be cleaned in crystallizing tank body, guarantee the cleanliness inside tank body, provide good environment for subsequent crystallization operation, reduce the influence of impurity on crystallization process, improve the purity of crystallization product.

Description

Technical Field

[0001] This utility model relates to the field of crystallization tank technology, specifically to a high-efficiency stirrer for crystallization tanks. Background Technology

[0002] A crystallizer is a device used for the crystallization process. Its main function is to gradually transform substances in a solution into crystals. The crystallization process is a process in which solid substances precipitate out of a solution. By using a crystallizer, the crystallization conditions can be controlled, so that the solute in the solution can be separated and purified in the form of crystals.

[0003] However, in the process of oil refining, when the acid value of the raw material is high, liquid alkali needs to be added for neutralization reaction. The neutralization reaction requires highly uniform mixing. Traditional stirring devices only mix the oil and liquid alkali with stirring rods, which can easily lead to local over-alkali or incomplete reaction, thus affecting the crystallization effect. Therefore, we need to propose a high-efficiency stirrer for crystallization tanks. Utility Model Content

[0004] The purpose of this invention is to provide a high-efficiency stirrer for crystallization tanks. By setting up a layered stirring mechanism, the stirring range within the crystallization tank is increased, and the fluidity of the crystal solution within the crystallization tank is improved, thereby increasing the efficiency of the neutralization reaction of oil products. This avoids local over-alkaliness or incomplete neutralization reaction, improves the stirring effect, and solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency stirrer for a crystallization tank, comprising a crystallization tank body and a tank cover installed on the top of the crystallization tank body:

[0006] A multi-layer stirring mechanism is installed inside the crystallization tank to agitate the crystallization solution. The multi-layer stirring mechanism includes a main shaft that is rotatably mounted on the tank cover. From top to bottom, the outer side of the main shaft is provided with inclined turbine blades for agitating the crystallization solution, a multi-functional stirring component, a spiral blade, and a dispersing blade.

[0007] A drive unit installed on the top of the tank cover drives the main shaft. The top of the tank cover is provided with a cleaning mechanism connected to the main shaft. The cleaning mechanism cleans the inside of the crystallization tank by supplying water to the inner cavity of the main shaft.

[0008] Preferably, the multifunctional stirring component includes a sleeve, and multiple sets of stirring rods are fixedly connected to the outside of the sleeve. One end of each pair of stirring rods is fixedly connected to a scraper for scraping crystals off the inner wall of the crystallization tank, and a polytetrafluoroethylene layer is provided on the outside of the scraper.

[0009] Preferably, the upper end of the main shaft passes through the tank cover and is provided with a driven gear, the upper end of the main shaft is provided with a water guide hole that communicates with the cleaning component, and the outer side of the main shaft is provided with multiple sets of water spray holes that communicate with the water guide hole.

[0010] Preferably, the cleaning mechanism includes a support seat installed on the top of the tank lid, a water guide pipe installed on the support seat, one end of the water guide pipe being inserted into the upper end of the main shaft, and two sets of sealing rings being provided at the end of the water guide pipe connected to the water guide hole, and a sealing groove being provided on the inner wall of the water guide hole for the installation of the two sets of sealing rings.

[0011] Preferably, the driving component includes a servo motor disposed on the top of the can lid, the output shaft of the servo motor being connected to a rotating shaft via a coupling, and one end of the rotating shaft being fixedly connected to a driving bevel gear that meshes with a driven bevel gear.

[0012] Preferably, a protective shell is fixedly connected to the top of the can lid, the upper end of the main shaft is disposed in the inner cavity of the protective shell, and a bearing seat for the main shaft to be rotatably mounted is disposed at the top of the inner cavity of the protective shell.

[0013] Preferably, a feed pipe is provided on the outside of the crystallization tank, a discharge pipe is provided at the bottom of the crystallization tank, and a liquid alkali dispensing long-necked funnel is inserted into the tank cover.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention primarily utilizes the coordination of a drive unit, a multi-layer stirring mechanism, and a cleaning mechanism. The inclined turbine blades effectively agitate the crystallization solution, promoting uniform mixing and improving crystallization efficiency. The multi-functional stirring component scrapes away crystals from the inner wall of the crystallization tank, preventing crystals from adhering to the tank wall and affecting the crystallization effect and the tank's lifespan. The spiral blades create axial flow in the solution, enhancing vertical circulation and further improving mixing. The dispersing blades break up larger crystal particles, promoting the formation of smaller crystals, improving crystallization uniformity and product quality. Furthermore, the cleaning mechanism cleans the inside of the crystallization tank, ensuring its cleanliness and providing a favorable environment for subsequent crystallization operations, reducing the impact of impurities on the crystallization process, and improving the purity of the crystallized product. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the crystallization tank of this utility model;

[0018] Figure 3 This is a schematic diagram of the multi-layer stirring mechanism of this utility model.

[0019] In the diagram: 1. Crystallization tank; 2. Tank lid; 3. Sheath; 4. Drive component; 41. Servo motor; 42. Rotating shaft; 43. Drive bevel gear; 5. Cleaning mechanism; 51. Support base; 52. Water guide pipe; 53. Sealing ring; 6. Long-necked funnel for liquid alkali addition; 7. Feed pipe; 8. Discharge pipe; 9. Multi-layer stirring mechanism; 91. Main shaft; 911. Water guide hole; 912. Water spray hole; 913. Driven bevel gear; 914. Sealing groove; 92. Inclined turbine blade; 93. Multi-functional stirring component; 931. Sleeve; 932. Stirring rod; 933. Scraper; 934. PTFE layer; 94. Spiral blade; 95. Dispersing blade; 10. Bearing seat. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3 This utility model provides a technical solution: a high-efficiency stirrer for a crystallization tank, comprising a crystallization tank body 1 and a tank cover 2 installed on the top of the crystallization tank body 1.

[0022] A multi-layer stirring mechanism 9 is installed inside the crystallization tank 1 to agitate the crystallization solution. The multi-layer stirring mechanism 9 includes a main shaft 91 that is rotatably installed on the tank cover 2. From top to bottom, the outer side of the main shaft 91 is provided with inclined turbine blades 92, multi-functional stirring components 93, spiral blades 94 and dispersing blades 95 for agitating the crystallization solution.

[0023] A drive unit 4 is installed on the top of the tank cover 2 to drive the main shaft 91. A cleaning mechanism 5 connected to the main shaft 91 is provided on the top of the tank cover 2. The cleaning mechanism 5 cleans the inside of the crystallization tank 1 by supplying water to the inner cavity of the main shaft 91.

[0024] The multi-functional agitator 93 includes a sleeve 931, to which multiple sets of agitating rods 932 are fixedly connected. Each pair of agitating rods 932 has a scraper 933 fixedly connected to one end for scraping crystals off the inner wall of the crystallization tank 1. A polytetrafluoroethylene layer 934 is provided on the outside of the scraper 933. The agitating rods 932 further improve the stirring efficiency of the crystallization solution, and the polytetrafluoroethylene layer 934 has good chemical stability and non-stick properties, reducing the adhesion of crystals to the scraper 933.

[0025] The upper end of the main shaft 91 passes through the tank cover 2 and is equipped with a driven gear. The upper end of the main shaft 91 is provided with a water guide hole 911 that communicates with the cleaning component. Multiple sets of water spray holes 912 that communicate with the water guide hole 911 are provided on the outer side of the main shaft 91. The water introduced by the cleaning mechanism 5 is conveniently transferred through the water guide hole 911, so that the water can be sprayed out through the water guide hole 911 to rinse the inner wall of the crystallization tank 1, thereby improving the cleaning efficiency of the crystallization tank 1.

[0026] The cleaning mechanism 5 includes a support base 51 installed on the top of the tank cover 2. A water guide pipe 52 is installed on the support base 51. One end of the water guide pipe 52 is inserted into the upper end of the main shaft 91. Two sets of sealing rings 53 are provided at the end of the water guide pipe 52 connected to the water guide hole 911. A sealing groove 914 for installing the two sets of sealing rings 53 is opened on the inner wall of the water guide hole 911. The water guide pipe 52 is a rigid pipe, which facilitates the flow of water into the main shaft 91. The sealing rings 53 can improve the sealing between the main shaft 91 and the water guide pipe 52 and prevent water leakage.

[0027] The drive unit 4 includes a servo motor 41 mounted on the top of the can lid 2. The output shaft of the servo motor 41 is connected to a rotating shaft 42 via a coupling. One end of the rotating shaft 42 is fixedly connected to a drive bevel gear 43 that meshes with the driven bevel gear 913. The servo motor 41 drives the drive bevel gear 43, which facilitates meshing with the driven bevel gear 913 to rotate the main shaft 91, thereby improving the stirring efficiency of the crystallization solution.

[0028] The top of the can lid 2 is fixedly connected to the protective shell 3. The upper end of the main shaft 91 is set in the inner cavity of the protective shell 3. The top of the inner cavity of the protective shell 3 is provided with a bearing seat 10 for the main shaft 91 to rotate and install. The bearing seat 10 further supports the main shaft 91, thereby improving the stability of the main shaft 91 when rotating, ensuring the stability of the multi-layer stirring mechanism 9, and at the same time protecting the driving bevel gear 43 and the driven bevel gear 913 to avoid the influence of external dust.

[0029] A feed pipe 7 is provided on the outside of the crystallization tank 1, and a discharge pipe 8 is provided at the bottom of the crystallization tank 1. A liquid alkali addition long-necked funnel 6 is inserted into the tank cover 2. The crystallization solution enters the crystallization tank 1 through the feed pipe 7, and after reaction and crystallization, it is discharged through the discharge pipe 8. The liquid alkali can be added into the tank through the liquid alkali addition long-necked funnel 6, which improves the processing efficiency of the crystallization solution.

[0030] In use, the servo motor 41 of the drive unit 4 starts and drives the rotating shaft 42 to rotate through the coupling. The drive bevel gear 43 on the rotating shaft 42 meshes with the driven bevel gear 913 at the upper end of the main shaft 91, driving the main shaft 91 to rotate at the tank cover 2 under the support of the bearing seat 10. The rotation of the main shaft 91 drives the multi-layer stirring mechanism 9 to operate. The inclined blade turbine blade 92 stirs the crystallization solution to make it evenly mixed. The stirring rod 932 on the multi-functional stirring unit 93 assists in stirring. The scraper 933 scrapes the crystals on the inner wall of the tank with the polytetrafluoroethylene layer 934 on the outside. The spiral blade 94 promotes the axial circulation of the solution. The dispersing blade 95 breaks up large crystal particles, thereby expanding the stirring range of the crystallization solution and improving the mixing uniformity of acidic substances and liquid alkali in the crystallization solution. During cleaning, the water guide pipe 52 of the cleaning mechanism 5 supplies water to the water guide hole 911 of the main shaft 91. The water is sprayed out from the water spray hole 912 through the water guide hole 911 to rinse the inner wall of the crystallization tank 1.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency stirrer for a crystallization tank, comprising a crystallization tank body (1) and a tank cover (2) installed on the top of the crystallization tank body (1), characterized in that: A multi-layer stirring mechanism (9) is set inside the crystallization tank (1) to agitate the crystallization solution. The multi-layer stirring mechanism (9) includes a main shaft (91) rotatably set on the tank cover (2). The outer side of the main shaft (91) is arranged from top to bottom with inclined turbine blades (92), multi-functional stirring components (93), spiral blades (94) and dispersing blades (95) to agitate the crystallization solution. A drive unit (4) is installed on the top of the tank cover (2) to drive the main shaft (91). The top of the tank cover (2) is provided with a cleaning mechanism (5) connected to the main shaft (91). The cleaning mechanism (5) cleans the inside of the crystallization tank (1) by supplying water to the inner cavity of the main shaft (91).

2. The high-efficiency stirrer for a crystallizing tank according to claim 1, characterized in that: The multifunctional stirring component (93) includes a sleeve (931), and multiple sets of stirring rods (932) are fixedly connected to the outside of the sleeve (931). One end of each pair of stirring rods (932) is fixedly connected to a scraper (933) for scraping crystals off the inner wall of the crystallization tank (1). A polytetrafluoroethylene layer (934) is provided on the outside of the scraper (933).

3. The high-efficiency stirrer for a crystallizing tank according to claim 2, characterized in that: The upper end of the main shaft (91) passes through the can cover (2) and is provided with a driven gear. The upper end of the main shaft (91) is provided with a water guide hole (911) that communicates with the cleaning component. The outer side of the main shaft (91) is provided with multiple sets of water spray holes (912) that communicate with the water guide hole (911).

4. A high-efficiency stirrer for a crystallizing tank according to claim 3, characterized in that: The cleaning mechanism (5) includes a support base (51) installed on the top of the can lid (2). A water guide pipe (52) is installed on the support base (51). One end of the water guide pipe (52) is inserted into the upper end of the main shaft (91). Two sets of sealing rings (53) are provided at the end of the water guide pipe (52) connected to the water guide hole (911). A sealing groove (914) for installing the two sets of sealing rings (53) is opened on the inner wall of the water guide hole (911).

5. A high-efficiency stirrer for a crystallizing tank according to claim 4, characterized in that: The drive unit (4) includes a servo motor (41) disposed on the top of the can cover (2). The output shaft of the servo motor (41) is connected to a rotating shaft (42) via a coupling. One end of the rotating shaft (42) is fixedly connected to a drive bevel gear (43) that meshes with the driven bevel gear (913).

6. A high-efficiency stirrer for a crystallizing tank according to claim 5, characterized in that: The top of the can lid (2) is fixedly connected to a protective shell (3), the upper end of the main shaft (91) is located in the inner cavity of the protective shell (3), and a bearing seat (10) for the main shaft (91) to be rotated is provided at the top of the inner cavity of the protective shell (3).

7. A high-efficiency stirrer for a crystallizing tank according to claim 1, characterized in that: The crystallization tank (1) is provided with a feed pipe (7) on the outside and a discharge pipe (8) at the bottom. A liquid alkali dispensing long-necked funnel (6) is inserted into the tank cover (2).

Images