Dissolving kettle for sodium thiosulfate production

Abstract

The utility model relates to the technical field of chemical production, in particular to a dissolving kettle for sodium thiosulfate production, which comprises a dissolving kettle body and a rotating shaft rotatably mounted in the dissolving kettle body, the rotating shaft and the dissolving kettle body are coaxially distributed, a stirring device is arranged on the rotating shaft, and the stirring device is slidably connected with the dissolving kettle body; and a driving device is also arranged on the dissolving kettle body. According to the utility model, the transverse bevel gear and the longitudinal bevel gear in the conversion device are driven by the motor of the driving device through belt transmission to rotate so as to change the rotation direction, and meanwhile, the driven gear and the rotating shaft are driven to rotate through the driving gear; the stirring assembly a and the stirring assembly b on the rotating shaft are matched with each other to fully mix reagents in the stirring cavity of the dissolving kettle body, and meanwhile, the residual reagents on the inner wall and the bottom of the stirring cavity of the dissolving kettle body are scraped and discharged, so that insufficient mixing of the reagents and incompleteness of the reagents are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to a dissolving kettle for sodium thiosulfate production. Background Art

[0002] A dissolving kettle is a sealed and pressure-bearing facility. The original meaning of kettle is a container, which is actually what we call a pot now. A dissolving kettle should be a container that looks like a pot and is used to dissolve a certain substance. It is suitable for mixing paint, color matching, and other industries, as well as mixing solutions and liquid-solid materials in coatings and other industries, and has a strong stirring function.

[0003] A Chinese patent with announcement number CN207203867U discloses a dissolving kettle for sodium thiosulfate production, comprising a main body and a support leg, wherein the lower end of the main body is provided with a support leg, the right end of the main body is provided with a connecting pipe, the upper end of the main body is provided with a top cover, the upper end of the top cover is provided with a motor, the right end of the main body is provided with a rotating rod, the left end of the rotating rod is provided with a first rotating shaft, the outer wall of the first rotating shaft is provided with a bearing, the outer wall of the first rotating shaft is provided with a first gear, the left end of the first gear is provided with a second gear, the second gear is connected to the second rotating shaft through a belt, the outer wall of the second rotating shaft is provided with a convex block, the upper end of the convex block is provided with a groove, the convex block matches the groove, the upper end of the groove is provided with a sliding rod, the left end of the sliding rod is provided with a card block, the right end of the sliding rod is provided with a spherical groove, the right end of the spherical groove is provided with a sphere, the sphere matches the spherical groove, the main body is connected to the top cover through a first spring, and the main body and the middle part of the top cover are provided with a first spring.

[0004] However, the above technical solution has the following defects: during the stirring process of the device, mixed reagents still remain at the bottom of the inner wall of the stirring chamber, resulting in insufficient and incomplete mixing of the reagents. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and provides a dissolving kettle for sodium thiosulfate production.

[0006] The technical solution of the utility model is as follows: a dissolving kettle for sodium thiosulfate production, comprising a dissolving kettle body, and further comprising: a rotating shaft rotatably installed in the dissolving kettle body, the rotating shaft and the dissolving kettle body are coaxially distributed, a stirring device for stirring reagents and scraping off residual reagents on the inner wall of the dissolving kettle body is arranged on the rotating shaft, and the stirring device is slidably connected to the dissolving kettle body;

[0007] The dissolving kettle body is also provided with a driving device for driving the stirring device to rotate and stir.

[0008] Preferably, the stirring device is divided into a stirring component a for scraping the bottom of the stirring cavity in the dissolving kettle body and stirring the reagent, and a stirring component b for scraping the side wall of the stirring cavity in the dissolving kettle body and stirring the reagent.

[0009] Preferably, the stirring assembly a comprises a first connecting rod, a second connecting rod and a stirring plate;

[0010] There are a plurality of first connecting rods, which are evenly distributed along the central axis of the rotating shaft and are all connected to the rotating shaft;

[0011] The first connecting rod, the second connecting rod and the stirring plate correspond to each other, and the other end of the first connecting rod is connected to one end of the second connecting rod and is vertically distributed with the second connecting rod;

[0012] One side of the stirring plate is connected to the other end of the second connecting rod, and the other side of the stirring plate is in contact with the bottom of the stirring chamber in the dissolving kettle body.

[0013] Preferably, the stirring assembly b comprises a third connecting rod, a fourth connecting rod and a scraper;

[0014] There are a plurality of third connecting rods, which are evenly distributed along the central axis of the rotating shaft and are all connected to the rotating shaft;

[0015] The third connecting rod, the fourth connecting rod and the scraper are in one-to-one correspondence, and the other end of the third connecting rod is connected to one end of the fourth connecting rod and is coaxially distributed with the fourth connecting rod;

[0016] One side of the scraper is connected to the other end of the fourth connecting rod, and the other side of the scraper is in contact with the side wall of the stirring chamber in the dissolving kettle body.

[0017] Preferably, the stirring plate and the scraper plate have the same shape, and the projection of the stirring plate is a trapezoid whose width gradually decreases from high to low along the height direction.

[0018] Preferably, a plurality of through holes are formed on the stirring plate and the scraper, and the plurality of through holes are evenly distributed on the stirring plate and the scraper.

[0019] Preferably, the driving device comprises a motor, a conversion device, a pulley, a driving gear and a driven gear;

[0020] The driven gear and the driving gear are connected to the bottom of the dissolving kettle body for rotation side by side, and the driven gear meshes with the driving gear;

[0021] One side of the conversion device is transmission-connected to the driving gear, and the other side of the conversion device is transmission-connected to the pulley;

[0022] The motor and the conversion device are arranged side by side and the output end of the motor is connected to the pulley through a belt drive.

[0023] Preferably, the conversion device comprises a longitudinal bevel gear, a transverse bevel gear, a connecting shaft, a bearing and a housing;

[0024] The connecting shaft is divided into a connecting shaft a and a connecting shaft b, and the connecting shaft a and the connecting shaft b are respectively installed on one side of the transverse bevel gear and the longitudinal bevel gear;

[0025] The shell is provided with a through hole a and a through hole b respectively, the through hole a and the through hole b are vertically distributed, and there are two bearings respectively located in the through hole a and the through hole b and connected to the shell;

[0026] The connecting shaft a and the connecting shaft b pass through the bearings in the through hole a and the through hole b respectively and are connected to the bearings. An external thread is arranged on the outer circumference of the connecting shaft a, and an internal thread is arranged on the inner diameter of the driving gear. The connecting shaft a is threadedly connected to the driving gear, and the other end of the connecting shaft b is connected to one end of the pulley.

[0027] Compared with the prior art, the above-mentioned technical scheme of the utility model has the following beneficial technical effects: the horizontal bevel gear and the longitudinal bevel gear in the conversion device are driven by the motor of the driving device and the belt transmission to rotate, thereby changing the rotation direction; at the same time, the driven gear and the rotating shaft are driven to rotate by the driving gear, so that the stirring component a and the stirring component b on the rotating shaft cooperate with each other to fully mix the reagents in the stirring chamber of the dissolving kettle body, and at the same time, the residual reagents on the inner wall and bottom of the stirring chamber of the dissolving kettle body are scraped off, thereby reducing the insufficient mixing of the reagents and the incompleteness of the reagents. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The utility model is a stereoscopic diagram of a dissolving kettle for sodium thiosulfate production.

[0029] Figure 2 for Figure 1 Schematic diagram of the explosion structure.

[0030] Figure 3 for Figure 2 Another perspective of the stereogram.

[0031] Figure numerals: 1. dissolving kettle body; 2. cover plate; 3. feed hopper; 4. support frame; 5. mounting base; 6. conversion device; 7. pulley; 8. rotating shaft; 9. first connecting rod; 10. second connecting rod; 11. stirring plate; 12. third connecting rod; 13. fourth connecting rod; 14. scraper; 15. motor. DETAILED DESCRIPTION

[0032] Embodiment 1

[0033] like Figure 1-3As shown, the present invention provides a dissolving kettle for sodium thiosulfate production, comprising a dissolving kettle body 1, and further comprising: a rotating shaft 8 rotatably mounted in the dissolving kettle body 1, the rotating shaft 8 being coaxially distributed with the dissolving kettle body 1, a stirring device for stirring the reagent and scraping off the residual reagent on the inner wall of the dissolving kettle body 1 being provided on the rotating shaft 8, and the stirring device being slidably connected to the dissolving kettle body 1;

[0034] A cover plate 2 detachably mounted on the dissolving kettle body 1;

[0035] A support frame 4 installed at the bottom of the dissolving kettle body 1;

[0036] Furthermore, a threaded hole a is provided on the dissolving kettle body 1, a visual hole and a feed port are provided on the cover plate 2, the feed hopper 3 and the feed port are coaxially distributed and connected to the cover plate 2, and a visual glass is provided on the dissolving kettle body 1, the visual glass is located in the visual hole and connected to the dissolving kettle body 1;

[0037] There are a plurality of support frames 4, and the plurality of support frames 4 are all connected to the bottom of the dissolving kettle body 1 and are evenly distributed in a circle along the central axis of the dissolving kettle body 1;

[0038] The dissolving kettle body 1 is also provided with a driving device for driving the stirring device to rotate and stir.

[0039] The driving device includes a motor 15, a mounting seat 5, a conversion device 6, a pulley 7, a driving gear and a driven gear;

[0040] Furthermore, mounting seats are installed at the bottom of the motor 15 and the conversion device 6 to stably support the motor 15 and the conversion device 6;

[0041] The driven gear and the driving gear are rotatably connected side by side at the bottom of the dissolving kettle body 1, and the driven gear meshes with the driving gear;

[0042] One side of the conversion device 6 is transmission-connected to the driving gear, and the other side of the conversion device 6 is transmission-connected to the pulley 7 .

[0043] The conversion device 6 includes a longitudinal bevel gear, a transverse bevel gear, a connecting shaft, a bearing and a housing;

[0044] The connecting shaft is divided into a connecting shaft a and a connecting shaft b, the transverse bevel gear and the longitudinal bevel gear are both located inside the housing, and the connecting shaft a and the connecting shaft b are respectively installed on one side of the transverse bevel gear and the longitudinal bevel gear;

[0045] The shell is provided with a through hole a and a through hole b respectively, the through hole a and the through hole b are vertically distributed, and there are two bearings respectively located in the through hole a and the through hole b and connected to the shell;

[0046] The connecting shaft a and the connecting shaft b pass through the bearings in the through hole a and the through hole b respectively and are connected to the bearings. An external thread is arranged on the outer circumference of the connecting shaft a, and an internal thread is arranged on the inner diameter of the driving gear. The connecting shaft a is threadedly connected to the driving gear, and the other end of the connecting shaft b is connected to one end of the pulley 7.

[0047] Embodiment 2

[0048] like Figure 1-3 As shown, the dissolving kettle for sodium thiosulfate production proposed by the utility model, compared with the first embodiment, this embodiment further specifically discloses the specific structure of the stirring device.

[0049] In this embodiment, the stirring device is divided into a stirring component a for scraping the bottom of the stirring cavity in the dissolving kettle body 1 and stirring the reagent and a stirring component b for scraping the side wall of the stirring cavity in the dissolving kettle body 1 and stirring the reagent.

[0050] The stirring assembly a comprises a first connecting rod 9, a second connecting rod 10 and a stirring plate 11;

[0051] There are a plurality of first connecting rods 9, which are evenly distributed along the central axis of the rotating shaft 8 and are all connected to the rotating shaft 8;

[0052] The first connecting rod 9, the second connecting rod 10 and the stirring plate 11 correspond to each other, and the other end of the first connecting rod 9 is connected to one end of the second connecting rod 10 and is vertically distributed with the second connecting rod 10;

[0053] One side of the stirring plate 11 is connected to the other end of the second connecting rod 10 , and the other side of the stirring plate 11 is in contact with the bottom of the stirring chamber in the dissolving kettle body 1 .

[0054] The stirring assembly b comprises a third connecting rod 12, a fourth connecting rod 13 and a scraper 14;

[0055] There are a plurality of third connecting rods 12, and the plurality of third connecting rods 12 are evenly distributed along the central axis of the rotating shaft 8 and are all connected to the rotating shaft 8;

[0056] The third connecting rod 12, the fourth connecting rod 13 and the scraper 14 correspond to each other, and the other end of the third connecting rod 12 is connected to one end of the fourth connecting rod 13 and is coaxially distributed with the fourth connecting rod 13;

[0057] One side of the scraper 14 is connected to the other end of the fourth connecting rod 13 , and the other side of the scraper 14 is in contact with the side wall of the stirring chamber in the dissolving kettle body 1 .

[0058] The stirring plate 11 and the scraper 14 have the same shape, and the projection of the stirring plate 11 is a trapezoid whose width gradually decreases from high to low along the height direction;

[0059] Furthermore, by arranging the stirring plate 11 into a trapezoidal shape with a width gradually decreasing from high to low along the height direction, the longer end can more effectively scrape off the remaining reagent during the stirring and scraping process.

[0060] A plurality of through holes are formed on the stirring plate 11 and the scraper plate 14 , and the plurality of through holes are evenly distributed on the stirring plate 11 and the scraper plate 14 .

[0061] In summary, in the present invention, firstly, reagents and water are put into the feed hopper 3, and after being poured in a certain proportion, the mixing status of the reagents in the dissolving kettle body 1 is observed through the visual glass on the cover plate 2;

[0062] At this time, the pulley 7 is driven by the motor 15 and the belt transmission is used to rotate. At this time, the transverse bevel gear and the longitudinal bevel gear in the conversion device 6 mesh and change the rotation direction, so that the longitudinal bevel gear drives the driving gear to mesh with the driven gear to rotate, providing power for the rotating shaft 8 to rotate;

[0063] When the rotating shaft 8 rotates, the stirring device a stirs the reagent in the stirring chamber of the dissolving kettle body 1 and scrapes off the residual reagent at the bottom of the stirring chamber, and the stirring device b stirs the reagent in the stirring chamber of the dissolving kettle body 1 and scrapes off the residual reagent on the side wall of the stirring chamber.

[0064] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A dissolving kettle for sodium thiosulfate production, comprising a dissolving kettle body (1), characterized in that: Also includes: A rotating shaft (8) is rotatably mounted in the dissolving kettle body (1), the rotating shaft (8) and the dissolving kettle body (1) are coaxially distributed, and a stirring device is provided on the rotating shaft (8) for stirring the reagent and scraping off the residual reagent on the inner wall of the dissolving kettle body (1), and the stirring device is slidably connected to the dissolving kettle body (1); The dissolving kettle body (1) is also provided with a driving device for driving the stirring device to rotate and stir; The stirring device is divided into a stirring component a for scraping the bottom of the stirring cavity in the dissolving kettle body (1) and stirring the reagent, and a stirring component b for scraping the side wall of the stirring cavity in the dissolving kettle body (1) and stirring the reagent; The stirring assembly a comprises a first connecting rod (9), a second connecting rod (10) and a stirring plate (11); There are a plurality of first connecting rods (9), and the plurality of first connecting rods (9) are evenly distributed along the central axis of the rotating shaft (8) and are all connected to the rotating shaft (8); The first connecting rod (9), the second connecting rod (10) and the stirring plate (11) correspond to each other, and the other end of the first connecting rod (9) is connected to one end of the second connecting rod (10) and is vertically distributed with the second connecting rod (10); One side of the stirring plate (11) is connected to the other end of the second connecting rod (10), and the other side of the stirring plate (11) is in contact with the bottom of the stirring chamber in the dissolving kettle body (1); The stirring assembly b comprises a third connecting rod (12), a fourth connecting rod (13) and a scraper (14); There are a plurality of third connecting rods (12), and the plurality of third connecting rods (12) are evenly distributed along the central axis of the rotating shaft (8) and are all connected to the rotating shaft (8); The third connecting rod (12), the fourth connecting rod (13) and the scraper (14) correspond to each other one by one, and the other end of the third connecting rod (12) is connected to one end of the fourth connecting rod (13) and is coaxially distributed with the fourth connecting rod (13); One side of the scraper (14) is connected to the other end of the fourth connecting rod (13), and the other side of the scraper (14) is in contact with the side wall of the stirring chamber in the dissolving kettle body (1).

2. A dissolving kettle for sodium thiosulfate production according to claim 1, characterized in that: The stirring plate (11) and the scraper (14) have the same shape, and the projection of the stirring plate (11) is a trapezoid whose width gradually decreases from high to low along the height direction.

3. A dissolving kettle for sodium thiosulfate production according to claim 1, characterized in that: The stirring plate (11) and the scraper (14) are both provided with a plurality of through holes, and the plurality of through holes are evenly distributed on the stirring plate (11) and the scraper (14).

4. A dissolving kettle for sodium thiosulfate production according to claim 1, characterized in that: The driving device comprises a motor (15), a conversion device (6), a pulley (7), a driving gear and a driven gear; The driven gear and the driving gear are rotatably connected side by side at the bottom of the dissolving kettle body (1), and the driven gear meshes with the driving gear; One side of the conversion device (6) is transmission-connected to the driving gear, and the other side of the conversion device (6) is transmission-connected to the pulley (7); The motor (15) and the conversion device (6) are arranged side by side and the output end of the motor (15) is connected to the pulley (7) via a belt drive.

5. A dissolving kettle for sodium thiosulfate production according to claim 4, characterized in that, The conversion device (6) comprises a longitudinal bevel gear, a transverse bevel gear, a connecting shaft, a bearing and a housing; The connecting shaft is divided into a connecting shaft a and a connecting shaft b, and the connecting shaft a and the connecting shaft b are respectively installed on one side of the transverse bevel gear and the longitudinal bevel gear; The shell is provided with a through hole a and a through hole b respectively, the through hole a and the through hole b are vertically distributed, and there are two bearings respectively located in the through hole a and the through hole b and connected to the shell; The connecting shaft a and the connecting shaft b pass through the bearings in the through hole a and the through hole b respectively and are connected to the bearings. An external thread is arranged on the outer circumference of the connecting shaft a, and an internal thread is arranged on the inner diameter of the driving gear. The connecting shaft a is threadedly connected to the driving gear, and the other end of the connecting shaft b is connected to one end of the pulley (7).

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