Digestion device for calcium hydroxide production

Abstract

The utility model belongs to the technical field of chemical production, and discloses a digestion device for calcium hydroxide production, which comprises a shell, a pretreatment barrel fixedly connected to the upper end of the shell, a feed port formed in the upper end of the pretreatment barrel, a discharge port formed in the outer end of the pretreatment barrel, and a stirring mechanism arranged at the upper end of the pretreatment barrel, a water pipe is fixedly installed at the outer end of the shell, a water spraying plate is fixedly installed at one end of the water pipe, and a discharging pipe is fixedly connected to the outer end of the shell. Raw materials are fully mixed through the water spraying plate, the rotating stirring shaft drives the stirring rods and the spiral blades to rotate, and the raw materials are stirred; the first motor is started to drive the stirring shaft to rotate, the protruding block drives the screening plate to move towards the spring, under the action of the spring, the screening plate returns to the original position, reciprocating movement of the screening plate is facilitated, raw materials can be screened conveniently, and the product quality is improved by discharging some large raw materials or impurities through the discharging port.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to a digestion device for producing calcium hydroxide. Background Art

[0002] Calcium hydroxide is used to make bleaching powder, hard water softener, disinfectant, depilatory for leather making, sugar refining and building materials, etc. It has a wide range of applications and a huge amount of usage. Therefore, higher requirements are placed on the production of calcium hydroxide. The current production process of calcium hydroxide is mainly through the method of lime digestion. After the limestone is calcined into calcium oxide, it is carefully digested with water in a ratio of 1: (3-3.5) to generate calcium hydroxide liquid, which is purified, separated and deslagging, and then centrifuged and dehydrated, dried at 150-300°C, and then screened (above 120 mesh) to obtain the finished calcium hydroxide product.

[0003] The processing and grading of lime is not fine enough, the quicklime cannot be pre-treated, a lot of residue remains, and it cannot be thoroughly digested, resulting in poor use effect.

[0004] For this reason, a digestion device for calcium hydroxide production is proposed, and upgrading and transformation are carried out on the basis of the device to solve these deficiencies. Utility Model Content

[0005] The purpose of the utility model is to solve the problems of the background technology and provide a digestion device for producing calcium hydroxide.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A digestion device for calcium hydroxide production comprises a shell, the upper end of the shell is fixedly connected to a pretreatment barrel, the upper end of the pretreatment barrel is provided with a feed inlet, the outer end of the pretreatment barrel is provided with a discharge outlet, the upper end of the pretreatment barrel is provided with a stirring mechanism, the stirring mechanism comprises a motor 1, the upper end of the pretreatment barrel is fixedly installed with a motor 1, the output shaft of the motor 1 is fixedly installed with a stirring shaft, the lower side of the outer end of the stirring shaft is fixedly connected with a stirring rod, the lower end of the outer end of the stirring shaft is fixedly connected with a spiral blade, the bottom of the pretreatment barrel is provided with a discharge outlet, the outer end of the shell is fixedly installed with a water pipe, one end of the water pipe is fixedly installed with a A water spray plate is fixedly installed, a discharge pipe is fixedly connected to the outer end of the shell, a rotating shaft is rotatably connected to the inner wall of the shell, a digestion rod is fixedly installed on the outer end of the rotating shaft, and a cooked snail slice is fixedly connected to the outer end of the rotating shaft, a motor 2 is fixedly installed on the outer end of the shell, and the output shaft of the motor 2 is fixedly installed on one end of the rotating shaft, a protrusion is fixedly installed on the outer end of the stirring shaft, a screening plate is slidably connected to the inner wall of the pretreatment barrel, a convex groove is provided in the middle of the screening plate for matching the outer end of the protrusion, a spring is fixedly installed on the outer end of the screening plate, and one end of the spring is fixedly installed on the inner wall of the pretreatment barrel.

[0008] Furthermore, a guide rod is provided on the inner side of the spring, one end of the guide rod is fixedly mounted on the inner wall of the pretreatment barrel, and the inner wall of the screening plate is provided with a guide groove for sliding connection of the outer end of the guide rod.

[0009] Furthermore, a stopper is fixedly mounted on the outer end of the stirring shaft, and the bottom of the stopper abuts against the surface of the screening plate.

[0010] The beneficial effects of the utility model are as follows:

[0011] 1. The utility model starts the motor to drive the stirring shaft to rotate, so that the convex block drives the screening plate to move toward the spring. The spring returns the screening plate to its original position, which is convenient for the screening plate to move back and forth and to screen the raw materials. Some larger raw materials or impurities are discharged through the discharge port to improve the quality of the product.

[0012] 2. The utility model fully mixes the raw materials through the water spray plate, and the rotating stirring shaft drives the stirring rod and the spiral blades to rotate to stir the raw materials. At the same time, the raw materials are moved upward to increase the residence time of the mixed materials in the pretreatment barrel, so that the lime can be fully pretreated to facilitate subsequent digestion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2This is a schematic diagram of the structure of the stirring mechanism of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the screening plate of the utility model;

[0016] Figure 4 It is a schematic diagram of the internal structure of the shell of the utility model.

[0017] Figure numerals: 1. Shell; 11. Discharge pipe; 12. Motor 2; 13. Feed port; 131. Water pipe; 14. Discharge port; 15. Pretreatment barrel; 16. Water spray plate; 17. Rotating shaft; 18. Ripening snail slices; 19. Digestion rod; 2. Stirring mechanism; 21. Motor 1; 22. Stirring shaft; 23. Spiral blade; 24. Stirring rod; 25. Discharge port; 26. Bump; 27. Groove; 28. Screening plate; 280. Stop block; 29. ​​Spring; 290. Guide rod; 291. Guide groove. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0021] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] like Figures 1 to 4 As shown, a digestion device for producing calcium hydroxide includes an outer shell 1, the upper end of the outer shell 1 is fixedly connected to a pretreatment barrel 15, the upper end of the pretreatment barrel 15 is provided with a feed inlet 13, the outer end of the pretreatment barrel 15 is provided with a discharge port 14, the upper end of the pretreatment barrel 15 is provided with a stirring mechanism 2, the outer end of the outer shell 1 is fixedly installed with a water pipe 13, one end of the water pipe 13 is fixedly installed with a water spray plate 16, and the outer end of the outer shell 1 is fixedly connected with a discharge pipe 11; specifically, the raw materials are stirred by the stirring mechanism 2, and the raw materials are moved upward, and the raw materials are fully mixed by the water spray plate 16.

[0023] like Figure 1 and Figure 2 As shown, the stirring mechanism 2 includes a motor 21, the upper end of the pretreatment barrel 15 is fixedly installed with a motor 21, the output shaft of the motor 21 is fixedly installed with a stirring shaft 22, the lower side of the outer end of the stirring shaft 22 is fixedly connected with a stirring rod 24, the lower end of the outer end of the stirring shaft 22 is fixedly connected with a spiral blade 23, and the bottom of the pretreatment barrel 15 is provided with a discharge port 25; specifically, by starting the motor 21 to drive the stirring shaft 22 to rotate, the stirring shaft 22 drives the stirring rod 24 and the spiral blades 23 to rotate, the raw materials are stirred, and at the same time, the raw materials are moved upward, thereby increasing the residence time of the mixed materials in the pretreatment barrel and allowing the lime to be fully pretreated.

[0024] like Figure 1 , Figure 2 and Figure 3 As shown, a protrusion 26 is fixedly installed on the outer end of the stirring shaft 22, and a screening plate 28 is slidably connected to the inner wall of the pretreatment barrel 15. A protrusion 27 for matching the outer end of the protrusion 26 is opened in the middle of the screening plate 28. A spring 29 is fixedly installed on the outer end of the screening plate 28, and one end of the spring 29 is fixedly installed on the inner wall of the pretreatment barrel 15; specifically, by starting the motor 21 to drive the stirring shaft 22 to rotate, the protrusion 26 drives the screening plate 28 to move toward the spring 29, and the screening plate 28 is returned to its original position by the action of the spring 29, so that the screening plate 28 can move back and forth, so as to facilitate the screening of raw materials.

[0025] like Figure 2 and Figure 3 As shown, a guide rod 290 is provided on the inner side of the spring 29, one end of the guide rod 290 is fixedly mounted on the inner wall of the pretreatment barrel 15, a guide groove 291 is provided on the inner wall of the screening plate 28 for sliding connection of the outer end of the guide rod 290, a stopper 280 is fixedly mounted on the outer end of the stirring shaft 22, and the bottom of the stopper 280 abuts against the surface of the screening plate 28; specifically, it is convenient for the screening plate 28 to move stably and prevent the raw materials from entering the lower side of the pretreatment barrel 15 from the convex groove 27.

[0026] like Figure 1 and Figure 4 As shown, the inner wall of the shell 1 is rotatably connected to a rotating shaft 17, the outer end of the rotating shaft 17 is fixedly installed with a digestion rod 19, the outer end of the rotating shaft 17 is fixedly connected with a cooked snail slice 18, the outer end of the shell 1 is fixedly installed with a motor 2 12, and the output shaft of the motor 2 12 is fixedly installed with one end of the rotating shaft 17; specifically, the raw materials are digested by starting the motor 2 12 to drive the digestion rod 19 and the cooked snail slice 18 at the outer end of the rotating shaft 17.

[0027] In summary: by starting the motor 1 21, the stirring shaft 22 is driven to rotate, so that the protrusion 26 drives the screening plate 28 to move toward the spring 29, and the screening plate 28 is returned to its original position by the action of the spring 29, so that the screening plate 28 can move back and forth, so as to facilitate the screening of the raw materials, and some larger raw materials or impurities are discharged through the discharge port 14, and the raw materials are fully mixed through the water spray plate 16, and the rotating stirring shaft 22 drives the stirring rod 24 spiral blades 23 to rotate to stir the raw materials. At the same time, the raw materials are moved upward to increase the residence time of the mixed materials in the pretreatment barrel, so that the lime can be fully pretreated, and the digestion rod 19 and the ripening spiral slices 18 at the outer end of the rotating shaft 17 are driven by the starting motor 2 12 to digest the raw materials.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A digestion device for producing calcium hydroxide, comprising a housing (1), characterized in that: The upper end of the shell (1) is fixedly connected to a pretreatment barrel (15), the upper end of the pretreatment barrel (15) is provided with a feed port (13), the outer end of the pretreatment barrel (15) is provided with a discharge port (14), the upper end of the pretreatment barrel (15) is provided with a stirring mechanism (2), the stirring mechanism (2) comprises a motor (21), the upper end of the pretreatment barrel (15) is fixedly mounted with a motor (21), the output shaft of the motor (21) is fixedly mounted with a stirring shaft (22), the lower side of the outer end of the stirring shaft (22) is fixedly connected with a stirring rod (24), the lower end of the outer end of the stirring shaft (22) is fixedly connected with a spiral blade (23), the bottom of the pretreatment barrel (15) is provided with a discharge port (25), the outer end of the shell (1) is fixedly mounted with a water pipe (131), one end of the water pipe (131) is fixedly mounted with a water spray plate (16) The outer end of the shell (1) is fixedly connected with a discharge pipe (11), the inner wall of the shell (1) is rotatably connected with a rotating shaft (17), the outer end of the rotating shaft (17) is fixedly mounted with a digestion rod (19), the outer end of the rotating shaft (17) is fixedly connected with a cooked snail slice (18), the outer end of the shell (1) is fixedly mounted with a second motor (12), the output shaft of the second motor (12) is fixedly mounted with one end of the rotating shaft (17), the outer end of the stirring shaft (22) is fixedly mounted with a protrusion (26), the inner wall of the pretreatment barrel (15) is slidably connected with a screening plate (28), the middle of the screening plate (28) is provided with a protruding groove (27) for matching the outer end of the protrusion (26), the outer end of the screening plate (28) is fixedly mounted with a spring (29), one end of the spring (29) is fixedly mounted with the inner wall of the pretreatment barrel (15).

2. A digestion device for producing calcium hydroxide as claimed in claim 1, characterized in that: A guide rod (290) is arranged on the inner side of the spring (29), one end of the guide rod (290) is fixedly mounted on the inner wall of the pretreatment barrel (15), and a guide groove (291) is provided on the inner wall of the screening plate (28) for the outer end of the guide rod (290) to be slidably connected.

3. A digestion device for producing calcium hydroxide as claimed in claim 2, characterized in that: A stopper (280) is fixedly mounted on the outer end of the stirring shaft (22), and the bottom of the stopper (280) abuts against the surface of the screening plate (28).

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