CN217773291U

CN217773291U - Vacuum cooling crystallizer for potassium nitrate production

Info

Publication number: CN217773291U
Application number: CN202220757263.7U
Authority: CN
Inventors: 石闻国
Original assignee: Yunnan Eurochem Fertilizer Technology Co ltd
Current assignee: Yunnan Eurochem Fertilizer Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-11-11
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a vacuum cooling crystallizer for potassium nitrate production, relate to crystallizer technical field, surface mounting pan feeding pipe on the crystallizer, the filter chamber is installed to the upper end of pan feeding pipe, the mounting groove has been seted up to the side intercommunication inner wall of filter chamber, be provided with the frame rather than the looks adaptation in the mounting groove, install the filter screen between the frame inner wall, through installing the filter chamber above the crystallizer, make the potassium nitrate pass through the filter chamber, let the filter screen filter the impurity in to the solution, prevent that impurity from getting into the crystallizer in-vivo pollution finished product, improve finished product quality, the frame of filter screen utilizes block structure and filter chamber to be connected simultaneously, make the loading and unloading of filter screen become simple, make things convenient for the staff to take out the filter screen and clear up it, it is rotatory through the motor drive auger, let rotatory auger make the potassium nitrate crystal pass through the discharging pipe fast, thereby the time of potassium nitrate crystal discharge has been accelerated, potassium nitrate crystal blocking discharging pipe has also been avoided simultaneously, work efficiency has been increased.

Description

Vacuum cooling crystallizer for potassium nitrate production

Technical Field

The utility model relates to a crystallizer technical field specifically is a vacuum cooling crystallizer for potassium nitrate production.

Background

The vacuum crystallizer of present potassium nitrate production does not install the potassium nitrate solution that carries out filterable device to the entering, if leave over in the crystal after containing the impurity crystallization in the solution, influences finished product quality, and the crystal is discharged from the discharging pipe through self gravity decline in the crystallizer simultaneously, but the time that the crystal passed through the discharging pipe is long, blocks up the discharging pipe simultaneously easily, consequently, technical personnel in the field have proposed the vacuum cooling crystallizer that is used for potassium nitrate production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a vacuum cooling crystallizer for potassium nitrate production has solved and has left over in the crystal and the problem that the crystal blockked up the discharging pipe easily simultaneously in the time length that the crystal passes through the discharging pipe after containing the impurity crystallization in the solution.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a vacuum cooling crystallizer for potassium nitrate production, including the crystallizer, the upper surface mounting of crystallizer has the pan feeding pipe, the filter chamber is installed to the upper end of pan feeding pipe, the side of filter chamber communicates the inner wall and has seted up the mounting groove, be provided with the frame rather than looks adaptation in the mounting groove, install the filter screen between the frame inner wall, the inside of filter screen corresponds has seted up two cavities, all is provided with the limiting plate in each cavity, install the spring in one side of limiting plate in each cavity, the opposite side of each limiting plate all installs the fastener that extends to the frame outside;

arrange the material pipe at the lower surface center of crystallizer, arrange the lower extreme of material pipe and install the motor, the drive end of motor extends to row material intraduct and installs the auger, the side of arranging the material pipe is close to motor department and installs the discharging pipe, it installs first solenoid valve to be close to crystallizer department on the material pipe to arrange.

As a further technical scheme of the utility model, the spout rather than the intercommunication is all seted up in one side of every cavity to the side of frame, every the slider that passes corresponding spout and extend to the frame outside is all installed to the side of limiting plate.

As the utility model discloses further technical scheme, the side-mounting of crystallizer has the mounting panel, the last surface mounting of mounting panel has the vacuum pump of input and crystallizer pipe connection.

As a further technical scheme of the utility model, the cooling machine is installed to the crystallizer side, the input tube is installed to the input of cooling machine.

As a further technical scheme of the utility model, the connecting pipe that extends to in the filter chamber is installed to the output of cooler, the side-mounting of crystallizer has steam outlet.

As a further technical scheme of the utility model, the draw-in groove has all been seted up to the both sides of filter chamber, the size and the fastener looks adaptation of draw-in groove, install the second solenoid valve on the pan feeding pipe.

Advantageous effects

The utility model provides a vacuum cooling crystallizer for potassium nitrate production. Compared with the prior art, the method has the following beneficial effects:

1. a vacuum cooling crystallizer for potassium nitrate production through installing the filter chamber in crystallizer top, makes the potassium nitrate pass through the filter chamber, lets the filter screen filter the impurity in the solution, prevents that impurity from getting into the crystallizer and polluting the finished product, improves finished product quality, and the frame of filter screen utilizes the block structure to be connected with the filter chamber simultaneously for the loading and unloading of filter screen become simple, makes things convenient for the staff to take out the filter screen and clears up it.

2. A vacuum cooling crystallizer for potassium nitrate production, it is rotatory through motor drive auger, let rotatory auger make the potassium nitrate crystal pass through the discharging pipe fast to accelerate potassium nitrate crystal exhaust time, also avoided the potassium nitrate crystal to block up the discharging pipe simultaneously, increased work efficiency.

Drawings

FIG. 1 is a schematic structural view of a vacuum cooling crystallizer for potassium nitrate production;

fig. 2 is a sectional view of a vacuum cooling crystallizer for potassium nitrate production;

FIG. 3 is a structural view of the inside of a filter chamber of the vacuum cooling crystallizer for potassium nitrate production;

FIG. 4 is a schematic structural view of a filter assembly of the vacuum cooling crystallizer for potassium nitrate production;

FIG. 5 is a frame sectional view of a vacuum cooling crystallizer for potassium nitrate production

Fig. 6 is an enlarged view of a portion a of fig. 2.

In the figure: 1. a crystallization tank; 2. a feeding pipe; 3. a filtering chamber; 4. mounting grooves; 5. a frame; 6. a filter screen; 7. a cavity; 8. a limiting plate; 9. a spring; 10. a fastener; 11. a discharge pipe; 12. a motor; 13. a packing auger; 14. a discharge pipe; 15. a first solenoid valve; 16. a chute; 17. a slider; 18. mounting a plate; 19. a vacuum pump; 20. a cooling machine; 21. an input tube; 22. a connecting pipe; 23. a second solenoid valve; 24. a card slot; 25. and (4) a steam outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model provides a vacuum cooling crystallizer technical scheme for potassium nitrate production: a vacuum cooling crystallizer for potassium nitrate production, including crystallizer 1, the last surface mounting of crystallizer 1 has pan feeding pipe 2, the upper end of pan feeding pipe 2 is installed with filter chamber 3, the side of filter chamber 3 communicates the inner wall and has seted up mounting groove 4, be provided with the frame 5 rather than the looks adaptation in the mounting groove 4, install filter screen 6 between the frame 5 inner wall, the inside of filter screen 6 corresponds has seted up two cavities 7, all be provided with limiting plate 8 in each cavity 7, install spring 9 in one side of limiting plate 8 in each cavity 7, the opposite side of each limiting plate 8 all installs the fastener 10 that extends to the frame 5 outside, the side of frame 5 all sets up the spout 16 rather than the intercommunication in one side of each cavity 7, the side of each limiting plate 8 all installs the slider 17 that passes corresponding spout 16 and extends to the frame 5 outside, the both sides of filter chamber 3 have all seted up draw-in groove 24, the size and the fastener 10 looks adaptation of draw-in groove 24, when the filtering chamber is used, a solution passes through the filtering chamber 3, the filtering screen 6 filters the passed solution, when the filtering screen 6 is cleaned, the two sliding blocks 17 are stirred to be close to each other, the two sliding blocks 17 which are close to each other drive the clamping piece 10 to be separated from the clamping groove 24 to enter the cavity 7 through the limiting plate 8, meanwhile, the spring 9 is compressed, the clamping piece 10 is separated from the clamping groove 24 to remove the fixation of the frame 5, then the frame 5 is communicated with the filtering screen 6 to be drawn out from the mounting groove 4, after the filtering screen 6 is cleaned, the two sliding blocks 17 are stirred to be close to each other to enable the clamping piece 10 to enter the cavity 7 through the operation, the frame 5 is communicated with the filtering screen 6 to be inserted into the mounting groove 4, the clamping piece 10 is aligned with the clamping groove 24, the sliding blocks 17 are loosened, the spring 9 rebounds to bounce the clamping piece 10 to be rebounded into the clamping groove 24 to fix the frame 5 again, impurities are prevented from entering the crystallizing tank 1 to pollute a finished product, and the filtering screen 6 is very simple to be assembled and disassembled, the filter screen 6 is convenient for workers to clean;

referring to fig. 2 and 6, a material discharge pipe 11 is installed at the center of the lower surface of a crystallizing tank 1, a motor 12 is installed at the lower end of the material discharge pipe 11, a driving end of the motor 12 extends into the material discharge pipe 11 and is provided with an auger 13, a material discharge pipe 14 is installed on the side surface of the material discharge pipe 11 close to the motor 12, a first electromagnetic valve 15 is installed on the material discharge pipe 11 close to the crystallizing tank 1, when discharging, the first electromagnetic valve 15 and the motor 12 are opened, the material discharge pipe 11 is conducted, meanwhile, the motor 12 drives the auger 13 to rotate, potassium nitrate crystals enter the material discharge pipe 11 from the crystallizing tank 1, and the rotating auger 13 drives the crystals to move so that the crystals quickly pass through the material discharge pipe 11 and then are discharged through the material discharge pipe 14.

Referring to fig. 1, a mounting plate 18 is mounted on a side surface of a crystallization tank 1, a vacuum pump 19 with an input end connected with the crystallization tank 1 through a pipeline is mounted on an upper surface of the mounting plate 18, a cooling machine 20 is mounted on the side surface of the crystallization tank 1, an input pipe 21 is mounted on the input end of the cooling machine 20, a connecting pipe 22 extending into a filtering chamber 3 is mounted on an output end of the cooling machine 20, a steam outlet 25 is mounted on the side surface of the crystallization tank 1, a second electromagnetic valve 23 is mounted on a feeding pipe 2, a potassium nitrate solution enters the cooling machine 20 through the input pipe 21 to be precooled, the second electromagnetic valve 23 is closed, the crystallization tank 1 is vacuumized by the operating vacuum pump 19, water in the potassium nitrate solution is quickly gasified in a vacuum state and takes away a large amount of heat, and steam is discharged through the steam outlet 25.

The utility model discloses a theory of operation: when the device is used, a potassium nitrate solution enters the cooler 20 through the input pipe 21, is precooled, is then sent into the filter chamber 3 through the connecting pipe 22, is filtered by the filter screen 6, then enters the crystallizing tank 1 through the feeding pipe 2, is closed by the second electromagnetic valve 23, is vacuumized by the operating vacuum pump 19, is quickly gasified in a vacuum state and takes away a large amount of heat, and is discharged through the steam outlet 25;

during discharging, the first electromagnetic valve 15 and the motor 12 are started, the discharging pipe 11 is conducted, meanwhile, the motor 12 drives the auger 13 to rotate, potassium nitrate crystals enter the discharging pipe 11 from the crystallization tank 1, and the rotating auger 13 drives the crystals to move so that the crystals quickly pass through the discharging pipe 11 and then are discharged through the discharging pipe 14;

when clearing up filter screen 6, stir two slider 17 and make it be close to each other and drive fastener 10 through limiting plate 8 and break away from in draw-in groove 24 gets into cavity 7, compression spring 9 simultaneously, fastener 10 breaks away from draw-in groove 24 and has removed the fixed to frame 5, then take frame 5 intercommunication filter screen 6 out from mounting groove 4, stir two slider 17 after clearing up filter screen 6 and make it be close to each other and make fastener 10 get into cavity 7 through above-mentioned operation in, insert frame 5 intercommunication filter screen 6 in mounting groove 4, make fastener 10 align with draw-in groove 24, loosen slider 17, spring 9 rebounds and pops in draw-in groove 24 with fastener 10, fix frame 5 again.

Claims

1. A vacuum cooling crystallizer for potassium nitrate production, including crystallizer (1), its characterized in that, the last surface mounting of crystallizer (1) has pan feeding pipe (2), filter chamber (3) are installed to the upper end of pan feeding pipe (2), mounting groove (4) have been seted up to the side intercommunication inner wall of filter chamber (3), be provided with frame (5) rather than the looks adaptation in mounting groove (4), install filter screen (6) between frame (5) inner wall, two cavities (7) have been seted up to the inside correspondence of filter screen (6), every all be provided with limiting plate (8) in cavity (7), every spring (9) are installed to one side of limiting plate (8) in cavity (7), every fastener (10) that extend to frame (5) outside are all installed to the opposite side of limiting plate (8);

arrange material pipe (11) at the lower surface center of crystallizer (1), motor (12) are installed to the lower extreme of arranging material pipe (11), the drive end of motor (12) extends to arrange inside auger (13) of material pipe (11) and install, the side of arranging material pipe (11) is close to motor (12) department and installs discharging pipe (14), arrange on material pipe (11) and be close to crystallizer (1) department and install first solenoid valve (15).

2. The vacuum cooling crystallizer for potassium nitrate production according to claim 1, wherein a chute (16) communicated with the side of each cavity (7) is formed in the side of the frame (5), and a sliding block (17) extending to the outside of the frame (5) through the corresponding chute (16) is installed on the side of each limiting plate (8).

3. The vacuum cooling crystallizer for potassium nitrate production according to claim 1, characterized in that a mounting plate (18) is installed on the side of the crystallization tank (1), and a vacuum pump (19) with an input end connected with the pipeline of the crystallization tank (1) is installed on the upper surface of the mounting plate (18).

4. The vacuum cooling crystallizer for potassium nitrate production according to claim 1, characterized in that a cooler (20) is installed on the side of the crystallization tank (1), and an input pipe (21) is installed at the input end of the cooler (20).

5. Vacuum cooling crystallizer for potassium nitrate production as in claim 4 characterized by that, the output of the cooler (20) is equipped with a connection pipe (22) extending into the filtering chamber (3), the side of the crystallization tank (1) is equipped with a steam outlet (25).

6. The vacuum cooling crystallizer for potassium nitrate production according to claim 1, wherein clamping grooves (24) are formed in both sides of the filtering chamber (3), the clamping grooves (24) are matched with the clamping pieces (10) in size, and the feeding pipe (2) is provided with a second electromagnetic valve (23).