CN215084977U

CN215084977U - Agitating unit convenient to salt solution crystallization

Info

Publication number: CN215084977U
Application number: CN202023187664.3U
Authority: CN
Inventors: 葛金鹏; 张宝; 邓超; 马嘉创; 彭川; 杨洁明
Original assignee: Biel Crystal Manufactory Huizhou Ltd
Current assignee: Biel Crystal Manufactory Huizhou Ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-12-10
Anticipated expiration: 2030-12-26

Abstract

The utility model provides an agitating unit convenient to salt solution crystallization, including the agitator tank, the agitator tank top is provided with rotary driving device, rotary driving device below fixedly connected with water storage bucket, the rotary driving device below is connected with the rotation main shaft, the rotation main shaft passes the water storage bucket bottom and inserts in the agitator tank through the opening at agitator tank top, and rotate main shaft and water storage bucket bottom and rotate sealing connection, the part that the rotation main shaft is located agitator tank inside is connected with rabbling mechanism, be provided with a plurality of cavity agitator pipes among the rabbling mechanism, cavity agitator pipe external connection has stirring fan blade, the cavity agitator pipe is connected with the water storage bucket, the cavity agitator pipe is used for circulation cooling medium, cooperation through cavity agitator pipe and stirring fan blade, can increase the crystallization interface, effectively improve the crystallization efficiency of salt in the salt solution.

Description

Agitating unit convenient to salt solution crystallization

Technical Field

The utility model relates to a glass apron processing field especially relates to an agitating unit convenient to salt solution crystallization.

Background

The existing nitrate crystallization equipment mainly utilizes a mode of recrystallizing saturated solution at low temperature to separate out most of nitrate crystals in the solution, thereby achieving the effect of solid-liquid separation. Stirring device in the equipment has the effect of solution cooling with higher speed, and the lateral wall is equipped with waterway circulation system and supplies the circulation of cold water with higher speed solution crystallization, but the solid adhesion that the crystallization was separated out is in the lateral wall in a large number, and follow-up crystal is difficult to take out, needs the manual work to get rid of, leads to the productivity to reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve among the above-mentioned prior art, the cooling method to current salt solution crystallization equipment leads to salt crystallization inefficiency, and the crystallization a large amount of adhesions of crystal that appear are at the lateral wall, and follow-up crystal is difficult to take out, needs the manual work to get rid of, leads to the technical problem that the productivity reduces, provides the agitating unit of the salt solution crystallization of being convenient for.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an agitating unit convenient to salt solution crystallization, includes the agitator tank, and the agitator tank top is provided with rotary driving device, and the output shaft of rotary driving device below has the rotation main shaft, and the part that the rotation main shaft is located the agitator tank inside is connected with rabbling mechanism, is provided with a plurality of cavity stirred tubular in the rabbling mechanism, and cavity stirred tubular external connection has stirring fan blade, and the cavity stirred tubular is used for circulating the cooling water with external intercommunication.

Furthermore, a filtrate outlet is formed in the side face of the stirring tank, and a crystal salt outlet is formed in the bottom of the stirring tank.

Furthermore, the rotary driving device is arranged on a rotary driving device supporting piece, a water storage barrel is fixedly connected below the rotary driving device supporting piece, a rotary main shaft is connected below an output shaft of the rotary driving device, the rotary main shaft penetrates through the bottom of the water storage barrel and is inserted into the stirring tank through an opening in the top of the stirring tank, and the rotary main shaft is in rotary sealing connection with the bottom of the water storage barrel; the upper end of the hollow stirring pipe is connected with the bottom of the water storage barrel and used for circulating cooling water, and the outer part of the upper end of the hollow stirring pipe is fixed with the rotating main shaft and can rotate along with the rotating main shaft.

Furthermore, a water storage barrel cover is arranged above the water storage barrel, and a first cold water pipe is connected to the water storage barrel cover through a cold water pipe access port; the rotating main shaft penetrates through the water storage barrel cover through a bearing structure; the bottom of the water storage barrel is provided with an opening, the opening is provided with a main shaft bearing, and the rotating main shaft is connected with the water storage barrel in a rotating and sealing mode through the main shaft bearing.

Further, the main shaft bearing comprises a bearing inner ring, a bearing outer ring and a roller positioned between the bearing inner ring and the bearing outer ring, the bearing outer ring is fixedly connected with the stirring tank, the bearing inner ring is fixedly connected with the rotating main shaft, and the bearing inner ring is provided with a plurality of cold water inlet openings corresponding to the hollow stirring pipes.

Furthermore, the stirring mechanism also comprises a central stirring rod, the lower end of the rotating main shaft is connected to the upper end of the central stirring rod, the outer part of the upper end of the hollow stirring pipe is fixed with the rotating main shaft through a fixing part, the lower end of the hollow stirring pipe is converged on the water outlet bearing and discharges cooling water out of the stirring tank through the cooling water discharge pipe, a switch is arranged on the cooling water discharge pipe, and the lower end of the central stirring rod is fixed on the water outlet bearing; the central stirring rod is connected with stirring blades.

Further, every cavity stirring pipe includes the second cold water pipe, the arc connecting pipe, first horizontal nozzle stub, vertical nozzle stub, the horizontal nozzle stub of second, cold water logical entry is connected to second cold water pipe one end, the outside middle part of second cold water pipe is passed through the mounting and is rotated the main shaft and fixed, the first horizontal nozzle stub one end is connected through the arc connecting pipe to the second cold water pipe other end, vertical nozzle stub one end is connected through the arc connecting pipe to the first horizontal nozzle stub other end, the horizontal nozzle stub one end of second is connected through the arc connecting pipe to the vertical nozzle stub other end, the horizontal nozzle stub other end of second assembles in delivery port bearing.

Further, the inner wall of the stirring tank is a smooth inner wall; be located to be provided with crystal scraping device on the arc connecting pipe between first horizontal nozzle stub and the vertical nozzle stub, crystal scraping device includes scraper, fixed module, screw, nut, support module, is connected with the scraper on the support module, and the scraper both sides are provided with fixed module, and scraper and fixed module pass through screw and nut fixed connection, and the scraper acts on the agitator tank inner wall for strike off the crystallization product from the agitator tank inner wall.

Furthermore, a cover body is arranged on the stirring tank, an opening is formed in the cover body, and a saline solution inlet is formed in the cover body; the side surface of the stirring tank is provided with a liquid level meter and a temperature transmitter which are used for measuring the liquid level height and the solution temperature change in the stirring tank.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: the utility model discloses a set up a plurality of and the external intercommunication is used for circulating the hollow stirred tube of coolant medium in the rabbling mechanism in the agitating unit of the salt solution crystallization of being convenient for, hollow stirred tube external connection has stirring fan blade, rotary driving device drives the rabbling mechanism rotation, when adding high temperature nitrate solution to the crystallizer, the rabbling mechanism that has the cold water circulation not only has the promotion heat exchange, solution cooling effect accelerates, and the stirring leaf that sets up outside the hollow stirred tube of rabbling mechanism can play the effect of increase crystallization interface, further improve the crystallization efficiency of nitrate crystal, and can promote the crystal to appear on the rabbling mechanism, because the rotation of rabbling mechanism, the crystal that appears can disperse into the tiny particle, subside and get into the equipment bottom; the filtrate outlet is arranged on the side surface of the stirring tank, so that crystals in the solution can be prevented from flowing out from the side surface; the collection of the precipitated crystals can be facilitated by arranging the crystal salt outlet at the bottom of the stirring tank; set up the agitator tank inner wall into glossy inner wall to set up the scraper that can act on the agitator tank inner wall on the cavity agitator tube, can strike off crystallization product from the agitator tank inner wall effectively through the cooperation of both, the collection of the follow-up crystal of being convenient for.

Drawings

FIG. 1 is a schematic perspective view of a stirring apparatus for crystallizing a salt solution according to the present invention;

FIG. 2 is a schematic view of the internal structure of the stirring device for crystallization of saline solution according to the present invention;

FIG. 3 is a schematic structural view of a rotating main shaft and a main shaft bearing in the stirring device for crystallization of saline solution according to the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the crystal scraping device in the stirring device for crystallizing the salt solution according to the present invention.

Description of reference numerals: 1-motor, 2-drive device support, 3-first cold water pipe, 4-cold water pipe inlet, 5-rotating spindle, 6-bearing structure, 7-water storage barrel cover, 8-water storage barrel, 9-saline solution inlet, 10-fixing part, 11-cover body, 12-stirring tank, 13-filtrate outlet, 14-liquid level meter, 15-temperature transmitter, 16-crystal salt outlet, 18-spindle bearing, 19-second cold water pipe, 20-stirring mechanism, 21-crystal scraping device, 23-stirring fan blade, 24-water outlet bearing, 25-cold water inlet, 26-bearing inner ring, 27-roller, 28-bearing outer ring, 29-scraper, 30-fixing module, 31-screw, 32-nut, 33-support module, 34-first horizontal stub, 35-vertical stub, 36-second horizontal stub.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but does not constitute a limitation to the scope of the present invention.

In the present invention, for the sake of clearer description, the following explanation is made: the above and below directions are the directions in fig. 1, but the directions or positional relationships are only for the convenience of clearly describing the present invention, and the indication or suggestion that the structure or component is required to have a specific orientation, be configured with a specific orientation, and thus should not be understood as the limitation of the present invention. Furthermore, the terms "first," "second," and the like are used for purposes of clarity and simplicity of description only and are not to be construed as indicating or implying a relative importance or quantity.

Referring to fig. 1-2, the present embodiment provides a stirring apparatus for facilitating crystallization of a saline solution, including a stirring tank 12, a cover 11 disposed on the stirring tank 12, an opening disposed on the cover 11, and a saline solution inlet 9 disposed on the cover 11; the stirring tank 12 is provided at its side with a liquid level meter 14 and a temperature transmitter 15 for measuring the liquid level in the stirring tank and the temperature change of the solution. The side of the stirring tank 12 is provided with a filtrate outlet 13, and the bottom of the stirring tank 12 is provided with a crystal salt outlet 16.

A rotary driving device is arranged above the stirring tank 12, and the rotary driving device can be preferably the motor 1 or other driving devices capable of realizing rotation; the motor 1 is arranged on the rotary driving device supporting piece 2, a water storage barrel 8 is fixedly connected below the rotary driving device supporting piece 2, a rotating main shaft 5 is connected below an output shaft of the motor 1, a water storage barrel cover 7 is arranged above the water storage barrel 8, a first cold water pipe 3 is connected to the water storage barrel cover 7 through a cold water pipe access port 4, and a switch is arranged on the first cold water pipe 3 and is in a normally closed state (not shown in the figure); the size of the water storage barrel can be set according to the requirement so as to meet the cooling water requirement required by crystallization when the water supply of a factory is temporarily cut off;

the rotating main shaft 5 penetrates through a water storage barrel cover 7 through a bearing structure 6, an opening is formed in the bottom of the water storage barrel 8, a main shaft bearing 18 is arranged at the opening, the rotating main shaft 5 is connected with the water storage barrel 8 in a rotating and sealing mode through the main shaft bearing 18 and is inserted into the stirring tank 12 through an opening in the top of the stirring tank 12, and the part, located inside the stirring tank 12, of the rotating main shaft 5 is connected with a stirring mechanism 20.

The stirring mechanism 20 is provided with a plurality of hollow stirring pipes, two in the embodiment, or more, which can be set according to actual needs; the upper end of the hollow stirring pipe is connected with the bottom of the water storage barrel and used for circulating cooling water, and the outer part of the upper end of the hollow stirring pipe is fixed with the rotating main shaft 5 through a fixing piece 10 and can rotate along with the rotating main shaft 5; thereby, it is possible to realize normal rotation of the stirring mechanism without hindering the supply of the cooling water. The lower end of the hollow stirring pipe is converged at the water outlet bearing 24 and the cooling water is discharged out of the stirring tank through a cooling water discharge pipe, and a switch is arranged on the cooling water discharge pipe; specifically, the cooling water discharge pipe may be led out to the stirring tank through an outlet provided at the bottom of the stirring tank, and an external control device is connected to a switch on the cooling water discharge pipe for controlling the opening and closing of the cooling water discharge pipe, and the cooling water discharge pipe switch is in a normally closed state (not shown in the figure). Further, the outside of the hollow stirring pipe is connected with stirring fan blades 23 for increasing crystal crystallization interface and improving crystal crystallization efficiency.

The stirring mechanism further comprises a central stirring rod, the lower end of the rotating main shaft 5 is connected to the upper end of the central stirring rod, the lower end of the central stirring rod is fixed on the water outlet bearing 24, and the central stirring rod is connected with stirring blades 23.

Referring to fig. 3, the main shaft bearing 18 includes a bearing inner ring 26, a bearing outer ring 28, and a roller 27 located between the bearing inner ring 26 and the bearing outer ring 28, the bearing outer ring 28 is fixedly connected to the agitator tank 12, the bearing inner ring 26 is fixedly connected to the rotating main shaft 5, and the bearing inner ring 26 is provided with a plurality of cold water inlets 25 corresponding to the hollow agitator pipes.

Referring to fig. 2 and 4, each hollow stirring pipe includes a second cold water pipe 19, an arc-shaped connecting pipe, a first horizontal short pipe 34, a vertical short pipe 35, a second horizontal short pipe 36, a cold water inlet is connected to 19 one end of the second cold water pipe, the outside middle part of the second cold water pipe 19 is fixed with the rotating main shaft 5 through the fixing part 10, the other end of the second cold water pipe 19 is connected with one end of the first horizontal short pipe 34 through the arc-shaped connecting pipe, the other end of the first horizontal short pipe 34 is connected with one end of the vertical short pipe 35 through the arc-shaped connecting pipe, the other end of the vertical short pipe 35 is connected with one end of the second horizontal short pipe 36 through the arc-shaped connecting pipe, and the other end of the second horizontal short pipe 36 is converged on the water outlet bearing 24. Of course, the structure of the hollow agitation pipe is not limited to the above-described structure, and other suitable structures and shapes are also possible.

In addition, the inner wall of the stirring tank is smooth, so that salt solution crystals can be prevented from being adhered to the wall surface; preferably, the inner wall of the stirring tank can be made of smooth ceramic, glass or stainless steel. In addition, in order to facilitate scraping off the crystals crystallized on the inner wall of the stirring tank, a crystal scraping device 21 is provided on each hollow stirring pipe for scraping off the crystallized product from the inner wall of the stirring tank 12. Specifically, a crystal scraping device 21 is arranged on the arc-shaped connecting pipe between the first horizontal short pipe 34 and the vertical short pipe 35, the crystal scraping device comprises a scraper 29, a fixing module 30, a screw 31, a nut 32 and a supporting module 33, the scraper 29 is connected to the supporting module 33, the fixing module 30 is arranged on two sides of the scraper 29, the scraper 29 and the fixing module 30 are fixedly connected through the screw 31 and the nut 32, and the scraper 29 acts on the inner wall of the stirring tank 12 and is used for scraping the crystallization product from the inner wall of the stirring tank 12.

In actual operation: under the normal water supply condition of mill, with high temperature nitrate solution through salt solution entry 9 suction agitator tank 12, switch on 1 power of motor simultaneously drives the uniform rotation of rabbling mechanism 20, then open switch and cooling water discharge pipe switch on the cold water pipe 3, cold water flows into the water storage bucket through cold water pipe 3, and then flows into the cavity agitator pipe, join in delivery port bearing 24 department at last, and flow out agitator tank 12 through cooling water discharge pipe, when agitator tank 12 suction nitrate solution is close the scraper upper edge to the liquid level, stop to take out nitrate solution, agitator mechanism 20 keeps the uniform rotation, because it has the difference in temperature with the external world, lead to nitrate to be at the crystallization of agitator mechanism 20 outer wall, under stirring power's effect, the crystal dispersion becomes the tiny particle and sinks into the agitator tank bottom. When the temperature of the solution in the stirring tank 12 is reduced to normal temperature and no crystal continues to be precipitated, the salt solution above the crystal is pumped out from a filtrate outlet 13 on the side wall of the stirring tank 12, and the residual solid-liquid mixture is pumped into a centrifuge from a crystal salt outlet 16 at the bottom of the stirring tank 12 for centrifugal drying to obtain the finished product nitrate.

Under the condition that the factory temporarily stops water supply, the cold water pipe 3 can be used for filling cooling water into the water storage barrel in advance, and when the nitrate solution needs to be crystallized, the cooling water discharge pipe switch is directly opened, so that the continuous circulation of the cooling water in the hollow stirring pipe can be realized.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an agitating unit convenient to salt solution crystallization, includes agitator tank (12), agitator tank (12) top is provided with rotary drive device, and the output shaft of rotary drive device below has rotation main shaft (5), and the part that rotation main shaft (5) are located agitator tank (12) inside is connected with rabbling mechanism (20), its characterized in that: a plurality of hollow stirring pipes are arranged in the stirring mechanism (20), stirring blades (23) are connected to the outer portions of the hollow stirring pipes, and the hollow stirring pipes are communicated with the outside and used for circulating cooling water.

2. The stirring device for facilitating the crystallization of a salt solution as claimed in claim 1, wherein the side of the stirring tank (12) is provided with a filtrate outlet (13), and the bottom of the stirring tank (12) is provided with a crystal salt outlet (16).

3. The stirring device convenient for the crystallization of the salt solution as claimed in claim 1, wherein the rotary driving device is arranged on a rotary driving device support member (2), a water storage barrel (8) is fixedly connected below the rotary driving device support member (2), a rotary main shaft (5) is connected below an output shaft of the rotary driving device, the rotary main shaft (5) penetrates through the bottom of the water storage barrel and is inserted into the stirring tank (12) through an opening at the top of the stirring tank (12), and the rotary main shaft (5) is in rotary sealing connection with the bottom of the water storage barrel; the upper end of the hollow stirring pipe is connected with the bottom of the water storage barrel and used for circulating cooling water, and the outer part of the upper end of the hollow stirring pipe is fixed with the rotating main shaft (5) and can rotate along with the rotating main shaft (5).

4. The stirring device convenient for crystallization of saline solution as claimed in claim 3, wherein a water storage barrel cover (7) is arranged above the water storage barrel (8), the water storage barrel cover (7) is connected with a first cold water pipe (3) through a cold water pipe access port (4), and the first cold water pipe (3) is provided with a switch; the rotating main shaft (5) penetrates through the water storage barrel cover (7) through the bearing structure (6); an opening is arranged at the bottom of the water storage barrel (8), a main shaft bearing (18) is arranged at the opening, and the rotating main shaft (5) is in rotating and sealing connection with the water storage barrel (8) through the main shaft bearing (18).

5. The stirring device convenient for crystallization of a salt solution as claimed in claim 4, wherein the main shaft bearing (18) comprises a bearing inner ring (26), a bearing outer ring (28) and a roller (27) positioned between the bearing inner ring (26) and the bearing outer ring (28), the bearing outer ring (28) is fixedly connected with the stirring tank (12), the bearing inner ring (26) is fixedly connected with the rotating main shaft (5), and the bearing inner ring (26) is provided with a plurality of cold water inlet ports (25) corresponding to the hollow stirring pipe.

6. The stirring device convenient for the crystallization of the salt solution as claimed in claim 5, wherein the stirring mechanism further comprises a central stirring rod, the lower end of the rotating main shaft (5) is connected to the upper end of the central stirring rod, the outer part of the upper end of the hollow stirring pipe is fixed with the rotating main shaft (5) through a fixing part (10), the lower end of the hollow stirring pipe is converged on the water outlet bearing (24) and discharges cooling water out of the stirring tank through a cooling water discharge pipe, a switch is arranged on the cooling water discharge pipe, and the lower end of the hollow stirring pipe is fixedly connected with the lower end of the central stirring rod; the central stirring rod is connected with stirring blades (23).

7. The stirring device convenient for crystallization of a salt solution as claimed in claim 6, wherein each hollow stirring pipe comprises a second cold water pipe (19), an arc-shaped connecting pipe, a first horizontal short pipe (34), a vertical short pipe (35) and a second horizontal short pipe (36), one end of the second cold water pipe (19) is connected with the cold water inlet (25), the middle part of the outside of the second cold water pipe (19) is fixed with the rotating main shaft (5) through a fixing part (10), the other end of the second cold water pipe (19) is connected with one end of the first horizontal short pipe (34) through the arc-shaped connecting pipe, the other end of the first horizontal short pipe (34) is connected with one end of the vertical short pipe (35) through the arc-shaped connecting pipe, the other end of the vertical short pipe (35) is connected with one end of the second horizontal short pipe (36) through the arc-shaped connecting pipe, and the other end of the second horizontal short pipe (36) is converged on the water outlet bearing (24).

8. The stirring device for facilitating the crystallization of a salt solution as claimed in claim 7, wherein the inner wall of the stirring tank (12) is a smooth inner wall; be located and be provided with crystal scraping device on the arc connecting pipe between first horizontal nozzle stub (34) and vertical nozzle stub (35), crystal scraping device includes scraper (29), fixed module (30), screw (31), nut (32), support module (33), be connected with scraper (29) on support module (33), scraper (29) both sides are provided with fixed module (30), scraper (29) and fixed module (30) are through screw (31) and nut (32) fixed connection, scraper (29) act on agitator tank (12) inner wall, be used for scraping off the crystallization product from agitator tank (12) inner wall.

9. The stirring device for facilitating the crystallization of the saline solution as claimed in any one of claims 1 to 8, wherein the stirring tank (12) is provided with a cover body (11), the cover body (11) is provided with an opening, and the cover body (11) is provided with a saline solution inlet (9); the side surface of the stirring tank (12) is provided with a liquid level meter (14) and a temperature transmitter (15) which are used for measuring the liquid level height and the solution temperature change in the stirring tank.