Aluminum sulfate crystallization device

Abstract

The utility model relates to the field of aluminum sulfate, in particular to an aluminum sulfate crystallization device. The utility model provides an aluminum sulfate crystallization device which can be used for recycling an uncrystallized solution, reducing the waste of resources, improving the utilization rate of an aluminum sulfate solution and reducing the production cost. An aluminum sulfate crystallization device comprises a crystallization reaction kettle, a heating ring, a motor, a feeding pipe, a fixing frame, a transmission shaft and a stirring paddle, the heating ring is connected to the outer side of the upper portion of the crystallization reaction kettle, the motor is connected to the upper side of the middle of the crystallization reaction kettle, the feeding pipe is connected to the upper side of the front portion of the crystallization reaction kettle, and the fixing frame is connected to the outer side of the heating ring. An output shaft of the motor is connected with a transmission shaft which is connected with a stirring paddle. According to the utility model, an uncrystallized solution flowing into the return pipe is conveyed into the crystallization reaction kettle through the water pump, so that the uncrystallized solution is recycled, the waste of resources is reduced, the utilization rate of an aluminum sulfate solution is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of aluminum sulfate, in particular to an aluminum sulfate crystallization device. Background Art

[0002] Aluminum sulfate is an important inorganic compound. It is a salt compound composed of aluminum ions and sulfate ions. It usually exists in solid form and is widely used in industry. Aluminum sulfate crystallization refers to the process of aluminum sulfate crystallizing into solid crystals from a solution. Aluminum sulfate usually exists in solid form, but in some cases, aluminum sulfate crystals need to be crystallized from a solution for specific applications or production processes.

[0003] The existing aluminum sulfate crystallization is carried out by reacting aluminum sulfate solid with water to form an aluminum sulfate solution, and then heating or controlling the temperature of the aluminum sulfate solution to crystallize the aluminum sulfate. During the crystallization process, part of the aluminum sulfate solution will not be crystallized. The existing aluminum sulfate crystallization device cannot recycle the solution, resulting in waste of the aluminum sulfate solution, affecting the utilization rate of the aluminum sulfate solution, and increasing the production cost.

[0004] Therefore, it is necessary to design an aluminum sulfate crystallization device that can recycle uncrystallized solution, reduce waste of resources, improve the utilization rate of aluminum sulfate solution, and reduce production costs. Utility Model Content

[0005] In order to overcome the shortcomings of the existing aluminum sulfate crystallization device that the solution cannot be recycled, resulting in waste of aluminum sulfate solution, affecting the utilization rate of the aluminum sulfate solution and increasing production costs, the utility model provides an aluminum sulfate crystallization device that can recycle uncrystallized solution, reduce waste of resources, improve the utilization rate of aluminum sulfate solution and reduce production costs.

[0006] Technical solution: An aluminum sulfate crystallization device includes a crystallization reactor, a heating ring, a motor, a feed pipe, a fixed frame, a transmission shaft and a stirring paddle. The outer side of the upper part of the crystallization reactor is connected to the heating ring, the upper middle part of the crystallization reactor is connected to the motor, the upper front part of the crystallization reactor is connected to the feed pipe, the outer side of the heating ring is connected to the fixed frame, the output shaft of the motor is connected to the transmission shaft, and the transmission shaft is connected to the stirring paddle.

[0007] Further description, it also includes a reflux pipe and a water pump. The upper rear side of the crystallization reactor is connected to the reflux pipe, the lower part of the reflux pipe is connected to the water pump, and the water pump is connected to the crystallization reactor.

[0008] Further description, it also includes a feed pipe and a valve. The lower part of the crystallization reactor is connected to the feed pipe, the bottom of the feed pipe is connected to the reflux pipe, and the upper right side of the feed pipe is rotatably connected to the valve.

[0009] Further description, it also includes a dryer and a fan. The front side of the upper part of the discharge pipe is connected to the dryer, and the fan is rotatably connected to the dryer.

[0010] Further description, it also includes a water tank and a filter frame. The front side of the middle of the feed pipe is connected with the water tank. The filter frame is slidably connected to the water tank, and the filter frame is in contact with the dryer.

[0011] Further explanation: a handle is provided on the front side of the filter frame.

[0012] Beneficial effects: 1. The utility model transports the uncrystallized solution flowing into the reflux pipe to the crystallization reactor through a water pump, thereby recycling the uncrystallized solution, reducing the waste of resources, improving the utilization rate of the aluminum sulfate solution, and reducing production costs.

[0013] 2. The utility model opens the valve by turning, and the aluminum sulfate crystals and the solution fall into the discharge pipe, and the aluminum sulfate crystals will remain on the filter frame. Then the dryer and the fan are started to dry the aluminum sulfate crystals on the filter frame, thereby removing moisture on the surface and inside of the crystals, reducing the dissolution and adsorption of impurities, and improving the purity of the crystals. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model.

[0016] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model.

[0017] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0018] Markings in the accompanying drawings: 1_crystallization reactor, 2_heating ring, 3_motor, 4_feed pipe, 5_reflux pipe, 6_fixed frame, 7_discharge pipe, 8_valve, 9_dryer, 10_fan, 11_water tank, 12_filter frame, 13_water pump, 14_drive shaft, 15_stirring paddle. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings.

[0020] An aluminum sulfate crystallization device, such as Figure 1-Figure 4As shown, it includes a crystallization reactor 1, a heating ring 2, a motor 3, a feed pipe 4, a fixing frame 6, a transmission shaft 14 and a stirring paddle 15. The upper outer side of the crystallization reactor 1 is connected to the heating ring 2, the upper middle side of the crystallization reactor 1 is connected to the motor 3, the upper front side of the crystallization reactor 1 is connected to the feed pipe 4, and also includes a reflux pipe 5 and a water pump 13. The upper rear side of the crystallization reactor 1 is connected to the reflux pipe 5, the outer side of the heating ring 2 is connected to the fixing frame 6, and also includes a discharge pipe 7 and a valve 8. The lower part of the crystallization reactor 1 is connected to the discharge pipe 7, the bottom of the discharge pipe 7 is connected to the reflux pipe 5, and the upper part of the discharge pipe 7 is connected to the reflux pipe 5. A valve 8 is rotatably connected to the right side of the feeding pipe 7, and the feeding pipe 7 also includes a dryer 9 and a fan 10. The upper front side of the feeding pipe 7 is connected to the dryer 9, and the dryer 9 is rotatably connected to the fan 10. The feeding pipe 7 also includes a water tank 11 and a filter frame 12. The front side of the middle part of the feeding pipe 7 is connected to the water tank 11, and the filter frame 12 is slidably connected to the water tank 11. The filter frame 12 is in contact with the dryer 9, and a handle is provided on the front side of the filter frame 12. The lower part of the reflux pipe 5 is connected to a water pump 13, and the water pump 13 is connected to the crystallization reactor 1. The output shaft of the motor 3 is connected to a transmission shaft 14, and the transmission shaft 14 is connected to a stirring paddle 15.

[0021] When it is necessary to crystallize the aluminum sulfate solution, the present device can be used. Water is poured into the crystallization reactor 1 through the feed pipe 4, and then the aluminum sulfate solid is put into the water. The motor 3 is started, and the transmission shaft 14 is driven by the motor 3 to rotate, and then the stirring paddle 15 is driven to rotate, so that the water and the aluminum sulfate solid in the crystallization reactor 1 are stirred, so that the water and the aluminum sulfate solid fully react to form an aluminum sulfate solution. When the solution reaches a saturated state, no more aluminum sulfate solid is added, and then the motor 3 is turned off, and then the crystallization reactor 1 is heated by the heating ring 2, and then the aluminum sulfate solution is heated, so that the water in the aluminum sulfate solution evaporates, and then the aluminum sulfate begins to crystallize. After the crystallization is completed, the filter frame 12 is pushed backward by the handle, and then the valve 8 is turned to open, and the aluminum sulfate crystals are The aluminum sulfate crystals will remain on the filter frame 12 and the solution will fall into the water tank 11 through the filter frame 12, and then flow into the reflux pipe 5. Then, the dryer 9 and the fan 10 are started to dry the aluminum sulfate crystals on the filter frame 12, thereby removing moisture from the surface and inside of the crystals, reducing the dissolution and adsorption of impurities, and improving the purity of the crystals. After drying, the filter frame 12 is pulled forward by the handle to be taken out, and the aluminum sulfate crystals are collected. Then, the water pump 13 is started, and the uncrystallized solution flowing into the reflux pipe 5 is transported to the crystallization reactor 1 through the water pump 13, so as to recycle the uncrystallized solution, reduce the waste of resources, improve the utilization rate of the aluminum sulfate solution, and reduce the production cost. After the transportation is completed, the water pump 13 can be turned off.

[0022] The above is a detailed introduction to the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. An aluminum sulfate crystallization device, characterized in that: The invention comprises a crystallization reaction kettle (1), a heating ring (2), a motor (3), a feed pipe (4), a fixing frame (6), a transmission shaft (14) and a stirring paddle (15); the outer side of the upper part of the crystallization reaction kettle (1) is connected to the heating ring (2); the upper side of the middle part of the crystallization reaction kettle (1) is connected to the motor (3); the upper side of the front part of the crystallization reaction kettle (1) is connected to the feed pipe (4); the outer side of the heating ring (2) is connected to the fixing frame (6); the output shaft of the motor (3) is connected to the transmission shaft (14); and the transmission shaft (14) is connected to the stirring paddle (15); It also includes a reflux pipe (5) and a water pump (13). The upper rear side of the crystallization reactor (1) is connected to the reflux pipe (5), the lower part of the reflux pipe (5) is connected to the water pump (13), and the water pump (13) is connected to the crystallization reactor (1).

2. A kind of aluminum sulfate crystallization device as claimed in claim 1, characterized in that: It also comprises a feed pipe (7) and a valve (8). The lower part of the crystallization reaction kettle (1) is connected to the feed pipe (7). The bottom of the feed pipe (7) is connected to the reflux pipe (5). The upper right side of the feed pipe (7) is rotatably connected to the valve (8).

3. A kind of aluminum sulfate crystallization device as claimed in claim 2, characterized in that: It also includes a dryer (9) and a fan (10). The upper front side of the feed pipe (7) is connected to the dryer (9), and the fan (10) is rotatably connected to the dryer (9).

4. A kind of aluminum sulfate crystallization device as claimed in claim 3, characterized in that: It also includes a water tank (11) and a filter frame (12). The front side of the middle of the feed pipe (7) is connected to the water tank (11). The filter frame (12) is slidably connected to the water tank (11). The filter frame (12) is in contact with the dryer (9).

5. A kind of aluminum sulfate crystallization device as claimed in claim 4, characterized in that: A handle is provided on the front side of the filter frame (12).

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