Device for producing sodium pyrosulfite by using gas

Abstract

The utility model relates to the technical field of sodium pyrosulfite preparation, in particular to a device for producing sodium pyrosulfite by utilizing gas, which comprises a reaction kettle, a crushing cylinder is communicated with one side of the top of the reaction kettle, a feed hopper is communicated with one side of the crushing cylinder, a crushing shaft is rotatably mounted in the middle of the top of a cover plate, and a gas inlet is formed in the middle of the top of the cover plate. A plurality of cutting blades are arranged on the lower portion of the outer side wall of the smashing shaft, transmission wheels are installed on the top of the stirring shaft and the top of the smashing shaft in a sliding mode, and the two transmission wheels are in transmission through a transmission belt. Materials are poured into the crushing cylinder from the feeding hopper on one side of the crushing cylinder, so that the transmission belt and the transmission wheel can be arranged right above the crushing cylinder, the crushed materials cannot be attached to the transmission belt and the transmission wheel, and the situations that abrasion between the belt and the belt pulley is increased, and the service life of the belt and the belt pulley is shortened are avoided; and the internal space of the crushing barrel is not occupied, and the situation that the discharging amount of the crushing barrel is reduced, and discharging of the crushing barrel becomes slow is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium pyrosulfite preparation, in particular to a device for producing sodium pyrosulfite by utilizing gas. Background Art

[0002] There are two main methods for preparing sodium metabisulfite: dry method and wet method. The dry method is to mix soda ash and water in a certain molar ratio, and after the Na2CO3·nH2O is generated in block form, it is placed in a reactor, and appropriate gaps are maintained between the blocks. Then SO2 gas is introduced to react with the block Na2CO3·nH2O. After the reaction is completed, the block is taken out and crushed to obtain the finished sodium metabisulfite.

[0003] Publication number: CN218452188U discloses a sodium pyrosulfite preparation reactor, including a reactor body, a motor housing is fixedly installed at the middle position of the top of the reactor body and the lower right side, and a drive motor and a servo motor are respectively arranged inside the motor housing, and a feed port is fixedly connected to the left side of the top of the reactor body; it also includes: a stirring rod is connected to the top of the inner wall of the reactor body through a bearing, the top of the stirring rod is fixedly connected to the output end of the drive motor, an electric slip ring is fixedly connected to the upper side of the outer side of the stirring rod, and heating elements are fixedly connected to the two sides of the inner side of the reactor body; a sleeve block is rotatably connected to the outer side of the stirring rod below the electric slip ring. The sodium pyrosulfite preparation reactor can quickly stir and mix the block of sodium pyrosulfite, thereby improving the preparation effect of sodium pyrosulfite, and can prevent the filter from being blocked when used for a long time, affecting the subsequent mixing work.

[0004] The applicant found that there are some shortcomings in use: the rotation of the stirring rod causes the second rotating rod to rotate through the transmission of the pulley assembly, which can drive the blades to rotate to crush the block materials to improve the mixing efficiency. However, since a pulley and a belt are located in the feed port, the crushed material will adhere to the belt and the pulley when it is discharged, which will increase the wear between the belt and the pulley and reduce their service life. In addition, the belt and the pulley occupy the space in the feed port, reducing the feed amount of the feed port and slowing down the feed speed.

[0005] Therefore, the utility model designs a device for producing sodium pyrosulfite by utilizing gas to solve the problems existing in the prior art. Utility Model Content

[0006] The utility model aims to provide a device for producing sodium pyrosulfite by utilizing gas, so as to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for producing sodium metabisulfite by utilizing gas, comprising: a reactor, a top side of the reactor is connected with a crushing barrel, a side of the crushing barrel is connected with a feed hopper, a cover plate is provided on the top of the crushing barrel, an air inlet pipe is provided on the other side of the top of the reactor, a stirring shaft is rotatably installed at the middle of the top of the reactor, a crushing shaft is rotatably installed at the middle of the top of the cover plate, a plurality of cutting blades are provided below the outer side wall of the crushing shaft, transmission wheels are slidably installed on the top of the stirring shaft and the crushing shaft, the two transmission wheels are driven by transmission belts, a disassembly-friendly mechanism is provided on the transmission wheel, a driving mechanism is provided on the top of the reactor, and the stirring shaft is rotated while driving the crushing shaft to rotate through the transmission of the transmission wheel and the transmission belt, thereby saving the use of one motor and reducing the subsequent maintenance cost of the motor.

[0008] Preferably, the easy-to-disassemble mechanism includes two support rings, which are respectively installed on the outer side walls of the stirring shaft and the crushing shaft, and clamping strips are installed at both ends of the upper side walls of the stirring shaft and the crushing shaft. Both ends of the inner wall of the transmission wheel are provided with clamping grooves slidably connected to the clamping strips, and threaded covers are installed on the upper side walls of the stirring shaft and the crushing shaft through threaded rotation. By turning out the threaded covers, the transmission wheel can be removed upwards, which is convenient for replacing the transmission wheel.

[0009] Preferably, the outer side wall of the threaded cover is provided with a rubber sleeve, and the rubber sleeve can improve the comfort of the staff when turning the threaded cover.

[0010] Preferably, threaded holes are provided on both sides of the cover plate and both sides of the top of the crushing barrel, and a screw is installed between the two threaded holes on both sides by threaded rotation. The screw and the threaded hole can be used to conveniently separate the cover plate and the crushing barrel, thereby facilitating the removal of the cutting blade from the crushing barrel for maintenance and replacement.

[0011] Preferably, the driving mechanism includes an L-shaped plate, which is installed at one end of the top of the reactor. A driving motor is installed on the L-shaped plate, and the output end of the driving motor and the outer wall of the stirring shaft are both installed with bevel teeth, and the two bevel teeth are meshed with each other.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model pours the material into the crushing barrel from the feed hopper on one side of the crushing barrel, so that the transmission belt and the transmission wheel can be arranged just above the crushing barrel, so that the crushed material will not stick to the transmission belt and the transmission wheel, thereby avoiding the increase of wear between the belt and the belt wheel and reducing their service life. In addition, the utility model will not occupy the space inside the crushing barrel, thereby avoiding the reduction of the material feeding amount of the crushing barrel and the slowing down of the material feeding of the crushing barrel.

[0014] 2. The utility model is provided with a convenient disassembly mechanism, threaded holes and screw rods. When the transmission wheel needs to be disassembled and replaced, the threaded cover can be unscrewed, and the transmission wheel can be taken out upwards for replacement. At the same time, when the cutting blade needs maintenance and replacement, the screw rod can be unscrewed to separate the crushing barrel and the cover plate, and the crushing shaft and the cutting blade can be taken out for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a main schematic diagram of the utility model;

[0016] Figure 2 This is a main exploded view diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the cutting blade structure of the utility model;

[0018] Figure 4 For the utility model Figure 1 A schematic diagram of the structure at a;

[0019] Figure 5 For the utility model Figure 1 Enlarged schematic diagram of the structure at point b.

[0020] In the figure: 1. reactor; 2. crushing cylinder; 3. feed hopper; 4. cover plate; 401. threaded hole; 402. screw; 5. air inlet pipe; 6. stirring shaft; 7. crushing shaft; 8. cutting blade; 9. transmission wheel; 10. transmission belt; 11. easy disassembly mechanism; 111. support ring; 112. clamping strip; 113. clamping groove; 114. threaded cover; 12. driving mechanism; 121. L-shaped plate; 122. driving motor; 123. bevel gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5The utility model provides an embodiment: a device for producing sodium pyrosulfite using gas, comprising: a reactor 1, a crushing tube 2 is connected to one side of the top of the reactor 1, a feeding hopper 3 is connected to one side of the crushing tube 2, a cover plate 4 is provided on the top of the crushing tube 2, an air inlet pipe 5 is provided on the other side of the top of the reactor 1, a stirring shaft 6 is rotatably installed at the middle of the top of the reactor 1, a crushing shaft 7 is rotatably installed at the middle of the top of the cover plate 4, a plurality of cutting blades 8 are provided below the outer wall of the crushing shaft 7, a transmission wheel 9 is slidably installed on the top of the stirring shaft 6 and the crushing shaft 7, the two transmission wheels 9 are driven by a transmission belt 10, and a disassembly-friendly mechanism 11 is provided on the transmission wheel 9, a driving mechanism 12 is provided on the top of the reactor 1, a plurality of stirring blades are provided below the stirring shaft 6, a threaded pin is installed on the side of the cutting blade close to the crushing shaft, and a screw hole rotatably installed with the threaded pin is provided on the crushing shaft, so as to facilitate the replacement of damaged cutting blades.

[0023] See also Figure 3-5 In this embodiment: the disassembly mechanism 11 includes two support rings 111, which are respectively installed on the outer side walls of the stirring shaft 6 and the crushing shaft 7, and both ends of the outer side walls of the stirring shaft 6 and the crushing shaft 7 are installed with clamping strips 112, and both ends of the inner wall of the transmission wheel 9 are provided with clamping grooves 113 that are slidably connected to the clamping strips 112, and threaded covers 114 are installed on the outer side walls of the stirring shaft 6 and the crushing shaft 7 through threaded rotation.

[0024] See also Figure 2 In this embodiment, a rubber sleeve is provided on the outer side wall of the threaded cover 114 .

[0025] See also Figure 2 In this embodiment, threaded holes 401 are provided on both sides of the cover plate 4 and both sides of the top of the grinding cylinder 2, and a screw 402 is installed between the two threaded holes 401 on both sides through threaded rotation.

[0026] See also Figure 2 In this embodiment: the driving mechanism 12 includes an L-shaped plate 121, which is installed at one end of the top of the reactor 1. A driving motor 122 is installed on the L-shaped plate 121. The output end of the driving motor 122 and the outer wall of the stirring shaft 6 are both installed with bevel teeth 123, and the two bevel teeth 123 are meshed with each other.

[0027] Working principle: put the block material into the feed hopper 3, enter the reactor 1 through the crushing barrel 2, and then introduce the SO2 gas into the reactor 1 through the air inlet pipe 5, start the drive motor 122, and rotate the stirring shaft 6 through the engagement of the two bevel teeth 123. A plurality of stirring blades are provided at the bottom of the stirring shaft 6 to stir and mix the material and SO2. After the reaction is completed, take out the block from the reactor 1 and crush it to obtain the finished sodium pyrosulfite. When the block material passes through the crushing barrel 2, the stirring shaft 6 rotates through the transmission wheel 9 and the transmission belt 10 to rotate the crushing shaft 7. The rotation of the crushing shaft 7 drives the cutting blade 8 to rotate, and the cutting blade 8 crushes the block material. After crushing, the efficiency of the mixing reaction can be improved. The transmission wheel 9 and the transmission belt 10 are arranged on the outside of the crushing barrel 2 to prevent the crushed material from sticking. The wear of the transmission wheel 9 and the transmission belt 10 is increased, and the internal space of the crushing cylinder 2 is avoided to reduce the discharge flow rate of the crushing cylinder 2. The threaded cover 114 is rotated to make the two threaded covers 114 leave the stirring shaft 6 and the crushing shaft 7 respectively, and the transmission wheel 9 can be taken out upwards, which is convenient for disassembly and replacement of the transmission wheel 9. At the same time, when the cutting blade 8 is worn and needs maintenance, the threaded hole 401 is rotated to make the threaded hole 401 leave the screw 402, so that the crushing cylinder 2 and the cover plate 4 can be separated, and the crushing shaft 7 and the cutting blade 8 can be taken out from the crushing cylinder 2 for maintenance. The crushing shaft 7 and the cutting blade 8 are connected by threads to facilitate the replacement of the cutting blade 8. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for producing sodium pyrosulfite using gas, comprising: A reactor (1) is characterized in that: one side of the top of the reactor (1) is connected to a crushing cylinder (2), one side of the crushing cylinder (2) is connected to a feed hopper (3), a cover plate (4) is provided on the top of the crushing cylinder (2), an air inlet pipe (5) is provided on the other side of the top of the reactor (1), a stirring shaft (6) is rotatably mounted in the middle of the top of the reactor (1), a crushing shaft (7) is rotatably mounted in the middle of the top of the cover plate (4), a plurality of cutting blades (8) are provided below the outer wall of the crushing shaft (7), transmission wheels (9) are slidably mounted on the tops of the stirring shaft (6) and the crushing shaft (7), and the two transmission wheels (9) are connected by a transmission belt (1) to the crushing shaft (7). 0) transmission, the transmission wheel (9) is provided with a disassembly-friendly mechanism (11), the top of the reaction kettle (1) is provided with a driving mechanism (12), the disassembly-friendly mechanism (11) comprises two support rings (111), the two support rings (111) are respectively mounted on the upper side of the outer side walls of the stirring shaft (6) and the crushing shaft (7), the upper side walls of the stirring shaft (6) and the crushing shaft (7) are both mounted with clamping strips (112) at both ends, the inner wall of the transmission wheel (9) is both provided with clamping grooves (113) slidably connected to the clamping strips (112), and the upper side walls of the stirring shaft (6) and the crushing shaft (7) are both mounted with threaded covers (114) by means of threaded rotation.

2. The device for producing sodium metabisulfite using gas according to claim 1, characterized in that: The outer side wall of the threaded cover (114) is provided with a rubber sleeve.

3. The device for producing sodium pyrosulfite using gas according to claim 1, characterized in that: Both sides of the cover plate (4) and both sides of the top of the grinding cylinder (2) are provided with threaded holes (401), and a screw rod (402) is installed between the two threaded holes (401) on the two sides through threaded rotation.

4. The device for producing sodium pyrosulfite using gas according to claim 1, characterized in that: The driving mechanism (12) comprises an L-shaped plate (121), the L-shaped plate (121) being mounted on one end of the top of the reaction kettle (1), a driving motor (122) being mounted on the L-shaped plate (121), an output end of the driving motor (122) and an outer side wall of the stirring shaft (6) being both mounted with bevel teeth (123), and two of the bevel teeth (123) being meshed with each other.

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