CN110772830A - Cold crystallizer for chemical production - Google Patents

Cold crystallizer for chemical production Download PDF

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Publication number
CN110772830A
CN110772830A CN201911096900.XA CN201911096900A CN110772830A CN 110772830 A CN110772830 A CN 110772830A CN 201911096900 A CN201911096900 A CN 201911096900A CN 110772830 A CN110772830 A CN 110772830A
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CN
China
Prior art keywords
chemical production
mounting
shell
cold
crystallizer
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Granted
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CN201911096900.XA
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Chinese (zh)
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CN110772830B (en
Inventor
黄志国
单益民
肖大宗
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Hengyang Kaimeike Chemical Co Ltd
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Hengyang Kaimeike Chemical Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0004Crystallisation cooling by heat exchange
    • B01D9/0013Crystallisation cooling by heat exchange by indirect heat exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D2009/0086Processes or apparatus therefor

Abstract

The invention relates to the technical field of chemical production equipment, and discloses a cold separation crystallizer for chemical production, which comprises a shell, wherein an installation column is arranged in the shell, the left end and the right end of the installation column are fixedly communicated with an air outlet pipe, the inner wall of the shell is provided with a cooling cavity, and the air outlet pipe penetrates through the inner wall of the shell and is positioned in the cooling cavity. According to the cold precipitation crystallizer for chemical production, the main gear is driven to rotate through the auxiliary electrode, the auxiliary gear is driven to rotate, when crystals are adhered to the inside of the shell, the auxiliary motor is started to rotate, so that the cam at the other end of the mounting shaft is driven to rotate, the movable plate at the top end of the cam rotates to move up and down along with the movable plate, the movable plate drives the jacking rod and the jacking block at the top end of the jacking rod to move up and down, the mounting ring at the top end of the jacking block drives the stirring rod to do reciprocating lifting movement, and the brush at one section of the anchor block mounted on the stirring rod plays a role in scraping the inner wall of the shell along with the movable plate.

Description

Cold crystallizer for chemical production
Technical Field
The invention relates to the technical field of chemical production equipment, in particular to a cold separation crystallizer for chemical production.
Background
The hot saturated solution cools to cause supersaturation of the solution due to the decrease in solubility of the solute, whereby the solute precipitates in the form of crystals, a process known as crystallization. Wherein the crystallizer is a device used for crystallization operation. In the chemical production process, the solid mother liquor containing the crystal substances generated after concentration enters a crystallizer for crystallization, and then is conveyed to a centrifugal machine for crystal substance separation, so that pure solid crystal is obtained.
The existing cold separation crystallizer generally comprises a tank body for containing supersaturated solution of rice, so that the hot saturated solution separates out crystals by reducing the temperature of the tank body, but in the process, the separated crystals have certain viscosity under the condition of containing water and can be adhered to the inner wall of the tank body, and scale-like substances which are difficult to remove are generated after a long time, and if the crystals are not removed in time, the crystals can have great influence on the next cold separation crystallization.
The existing cold separation crystallizer is generally provided with a discharge pipe for outputting crystals at the bottom end of a tank body, but the crystals generated by cold separation are not uniform in size and have certain adhesiveness, so that part of separated crystals can be blocked at the discharge pipe, and mother liquid cannot be discharged normally.
Meanwhile, the existing cold separation crystallizer generally uses low-temperature cooling water as cooling energy when cooling operation is carried out, the cooling temperature is not influenced, the flowing cooling water is generally adopted to cool the mother liquor inside the tube body after the cooling water is introduced into the cooling cavity, and the mother liquor is not used after heat exchange, so that the water resource is easily wasted in large-scale use.
Disclosure of Invention
The invention provides a cold separation crystallizer for chemical production, which has the advantages of no wall sticking phenomenon, no blockage of a discharge pipe and no waste of water resources, and solves the problems in the background art.
The invention provides the following technical scheme: a cold separation crystallizer for chemical production comprises a shell, wherein an installation column is arranged in the shell, the left end and the right end of the installation column are fixedly communicated with an air outlet pipe, the inner wall of the shell is provided with a cooling cavity, the air outlet pipe penetrates through the inner wall of the shell and is positioned in the cooling cavity, the tail end of the air outlet pipe is fixedly communicated with an air spraying cavity, the left side and the right side of the air spraying cavity are fixedly communicated with air nozzles, the bottom end of the installation column is fixedly provided with a rotating shaft, the outer side surface of the rotating shaft is movably sleeved with an installation ring, the outer side surface of the installation ring is fixedly provided with a stirring rod, the bottom end of the installation ring is contacted with a jacking block, the bottom end of the jacking block is fixedly provided with a jacking rod, the bottom end of the jacking rod is fixedly provided with a movable plate, the bottom end, one side contact of fly leaf bottom has the cam.
Preferably, the bottom mounting intercommunication of casing has the discharging pipe, the top fixed mounting of discharging pipe has the filter screen, the equal angle fixed mounting in bottom of filter screen has the supporting leg.
Preferably, the mounting shaft is fixedly sleeved in the cam and penetrates through the side wall of the discharge pipe.
Preferably, the installation axle is kept away from the fixed cover of one end of discharging pipe has been connect with the pinion, the bottom meshing of pinion is connected with the master gear, the left side of master gear is equipped with the auxiliary motor, the fixed cover of output shaft of auxiliary motor has been connected with the master gear, the bottom fixed mounting of auxiliary motor has the mount pad.
Preferably, the bottom end of the mounting seat is fixedly provided with a supporting seat, and the supporting seat and the bottom end of the supporting leg are positioned on the same horizontal plane.
Preferably, a top cover is fixedly mounted at the top end of the shell, a main motor is fixedly mounted at the top end of the top cover, and an output shaft of the main motor penetrates through the bottom end of the top cover and is fixedly connected with the mounting column.
Preferably, the top fixed intercommunication of top cap has and is located the pan feeding mouth on main motor right side, the top fixed mounting of top cap has and is located the left cold air pump of main motor, the fixed intercommunication of right-hand member of cold air pump has the gas-supply pipe, the gas-supply pipe runs through the top cap and the bottom and with the fixed intercommunication of erection column.
Preferably, the bottom fixed mounting of fly leaf has the installation pole, the bottom of installation pole with the top fixed connection of rotatory piece, the brush with the inside of discharging pipe contacts.
Preferably, one side of the stirring rod, which is far away from the mounting ring, is fixedly provided with an anchor block, one side of the anchor block, which is far away from the stirring rod, is fixedly provided with a felt, and the felt is in contact with the inner wall of the shell.
The invention has the following beneficial effects:
1. the cold separation crystallizer for chemical production drives the main gear to rotate through the auxiliary motor and the auxiliary electrode so as to drive the auxiliary gear to rotate, when crystals are adhered to the inside of the shell, the auxiliary motor is started to rotate so as to drive the cam at the other end of the mounting shaft to rotate, the movable plate positioned at the top end of the cam rotates along with the rotation of the cam to move up and down so as to drive the jacking rod and the jacking block at the top end of the jacking rod to move up and down, the mounting ring positioned at the top end of the jacking block drives the stirring rod to immediately carry out reciprocating lifting motion, and the brush at one section of the anchor block mounted on the stirring rod plays a role in scraping the inner wall of the shell along with the movable plate, so that.
2. This cold-out crystallizer for chemical production installs the erection column and installs the rotatory piece in the erection column bottom through the bottom at the fly leaf, has driven the up-and-down motion of erection column and rotatory piece when the cam drives the fly leaf up-and-down motion, the brush that is located rotatory piece lateral surface then contacts with the inner wall of discharging pipe, the brush is reciprocal lift rotary motion under the drive of rotatory piece, clear up the discharging pipe and prevent to block up to realized can not causing the advantage of jam to the discharging pipe.
3. This chemical production is with cold crystallizer of analysing, be provided with the cooling chamber through the inside at the casing, and there is the cold air pump at the top fixed mounting of top cap, thereby the lower cold air of air conditioning pump exportable temperature gets into the inside of erection column through the gas-supply pipe and inputs the jet-propelled intracavity and spout from the jet-propelled head in both sides through the outlet duct of the left and right sides, along with the rotation of motor drive erection column, thereby it makes cold air be full of the cooling intracavity to have caused jet-propelled chamber to be rotary motion in the cooling intracavity, cooling water has been replaced through using cold air, thereby the advantage that can not waste water resource has been realized.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a top view of the internal structure of the present invention;
FIG. 3 is a sectional view showing the internal structure of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
fig. 6 is an enlarged view of the structure at C in fig. 3.
In the figure: 1. a housing; 2. a top cover; 3. a feeding port; 4. a main motor; 5. a cold air pump; 6. a gas delivery pipe; 7. a cooling chamber; 8. mounting a column; 9. an air outlet pipe; 10. spraying an air cavity; 11. a gas showerhead; 12. a discharge pipe; 13. filtering with a screen; 14. supporting legs; 15. a secondary motor; 16. a mounting seat; 17. a supporting seat; 18. a main gear; 19. a pinion gear; 20. installing a shaft; 21. a cam; 22. a rotating shaft; 23. a movable plate; 24. mounting a rod; 25. rotating the block; 26. felt; 27. a jacking rod; 28. jacking blocks; 29. a mounting ring; 30. a stirring rod; 31. an anchor block; 32. and a brush.
Detailed Description
The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a cryo-crystallizer for chemical production comprises a housing 1, a mounting column 8 is disposed inside the housing 1, the mounting column 8 is a hollow cylinder, cold air can be input into an outlet pipe 9 through the mounting column 8, the left and right ends of the mounting column 8 are fixedly communicated with the outlet pipe 9, the inner wall of the housing 1 is provided with a cooling cavity 7, the outlet pipe 9 penetrates through the inner wall of the housing 1 and is located inside the cooling cavity 7, a groove matched with the outlet pipe 9 is formed between the cooling cavity 7 and the inner wall of the housing 1, the outlet pipe 9 can rotate relatively in the groove, so that the cold air rapidly covers the cooling cavity 7, the tail end of the outlet pipe 9 is fixedly communicated with an air injection cavity 10, the left and right sides of the air injection cavity 10 are fixedly communicated with air nozzles 11, the bottom end of the mounting column 8 is fixedly provided with a rotating shaft 22, the outer side surface of the rotating shaft 22 is, the bottom end of the mounting ring 29 is contacted with a jacking block 28, the bottom end of the jacking block 28 is fixedly provided with a jacking rod 27, the bottom end of the jacking rod 27 is fixedly provided with a movable plate 23, the bottom end of the movable plate 23 is provided with a rotating block 25, the outer side surface of the rotating block 25 is fixedly provided with a brush 32, and one side of the bottom end of the movable plate 23 is contacted with a cam 21.
Further, the bottom end of the shell 1 is fixedly communicated with a discharge pipe 12, a filter screen 13 is fixedly mounted at the top end of the discharge pipe 12, supporting legs 14 are fixedly mounted at the bottom end of the filter screen 13 at equal angles, mother liquor and precipitated crystals in the discharge pipe 12 can be filtered through the filter screen holes of the filter screen 13, and the mother liquor can be directly discharged out of the device through the filter screen 13.
Furthermore, a mounting shaft 20 is fixedly secured inside the cam 21, the mounting shaft 20 penetrates through the side wall of the tapping pipe 12, and the mounting shaft 20 is used for mounting the cam 21.
Furthermore, a secondary gear 19 is fixedly sleeved on one end of the mounting shaft 20 far away from the discharge pipe 12, a main gear 18 is connected to the bottom end of the secondary gear 19 in a meshing manner, a secondary motor 15 is arranged on the left side of the main gear 18, the main gear 18 is fixedly sleeved on an output shaft of the secondary motor 15, a mounting seat 16 is fixedly mounted at the bottom end of the secondary motor 15, the secondary motor 15 drives the main gear 18 to rotate so as to drive the secondary gear 19 and the mounting shaft 20 to rotate, and the cam 21 rotates relatively to provide power for the movable plate 23 to realize reciprocating lifting movement.
Further, the bottom end of the mounting seat 16 is fixedly provided with a supporting seat 17, the supporting seat 17 and the bottom end of the supporting leg 14 are located on the same horizontal plane, and the mounting seat 16 and the shell 1 can be fixed through the supporting seat 17 and the supporting leg 14 which are arranged on the same horizontal plane, so that the situation that the installation seat is toppled over is prevented.
Further, the top fixed mounting of casing 1 has top cap 2, and the top fixed mounting of top cap 2 has main motor 4, and the output shaft of main motor 4 runs through the bottom and the erection column 8 fixed connection of top cap 2, and main motor 4 can provide power to erection column 8 and pivot 22 to it stirs the quickening crystallization to drive the rotatory mother liquor to casing 1 inside of puddler 30.
Further, the fixed intercommunication in top of top cap 2 has the pan feeding mouth 3 that is located main motor 4 right side, the top fixed mounting of top cap 2 has the cold air pump 5 that is located main motor 4 left, the fixed intercommunication of right-hand member of cold air pump 5 has gas-supply pipe 6, gas-supply pipe 6 run through top cap 2 and the bottom just with the fixed intercommunication of erection column 8, thereby the cold air of 5 outputs through the cold air pump gets into 6 inside entering erection column 8's of gas-supply pipe inside and disperse to play the effect of even cooling to cooling chamber 7 in the outlet duct 9.
Further, the bottom end of the movable plate 23 is fixedly provided with the mounting rod 24, the bottom end of the mounting rod 24 is fixedly connected with the top end of the rotating block 25, the brush 32 is in contact with the inside of the discharge pipe 12, and when the brush 32 rotates due to the rotation of the rotating block 25, the contact between the brush 32 and the inner wall of the discharge pipe 12 plays a role in cleaning the inner wall of the discharge pipe 12 to prevent blockage.
Further, an anchor block 31 is fixedly arranged on one side of the stirring rod 30 far away from the mounting ring 29, a felt 26 is fixedly arranged on one side of the anchor block 31 far away from the stirring rod 30, the felt 26 is in contact with the inner wall of the shell 1, and the contact between the felt 26 and the inner wall of the shell 1 can remove crystals adhered on the inner wall to prevent scaling.
The working principle is as follows: when the cryo-crystallizer for chemical production is used, firstly, mother liquid of crystals to be precipitated is added into a shell 1 through a feeding port 3, the amount of the mother liquid is not higher than that of a groove formed in the inner wall of the shell 1, a cooling air pump 5 is started, cooling air output by the cooling air pump 5 enters the interior of a mounting column 8 through a gas pipe 6, is input into an air injection cavity 10 through gas outlet pipes 9 on the left side and the right side and is sprayed out from gas nozzles 11 on the two sides, the cooling air is filled in the cooling cavity 7 by the rotary motion of the air injection cavity 10 in the cooling cavity 7 along with the rotation of a main motor 4, a cam 21 at the other end of a mounting shaft 20 is driven to rotate by the rotation of an auxiliary motor 15, a movable plate 23 positioned at the top end of the cam 21 moves up and down along with the rotation of the cam 21 to drive a lifting rod 27 and a lifting block 28 at the top end to move up and, the mounting ring 29 on the top of the jacking block 28 drives the stirring rod 30 to perform reciprocating lifting motion immediately, the brush 32 on one end of the anchor block 31 mounted on the stirring rod 30 plays a role of scraping the inner wall of the shell 1, the brush 32 on the outer side surface of the rotating block 25 is in contact with the inner wall of the discharge pipe 12, and the brush 32 performs reciprocating lifting rotation motion under the driving of the rotating block 25 to clean the discharge pipe 12.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a chemical production is with cold out crystallizer, includes casing (1), its characterized in that: the inner part of the shell (1) is provided with a mounting column (8), the left end and the right end of the mounting column (8) are fixedly communicated with an air outlet pipe (9), the inner wall of the shell (1) is provided with a cooling cavity (7), the air outlet pipe (9) penetrates through the inner wall of the shell (1) and is positioned in the cooling cavity (7), the tail end of the air outlet pipe (9) is fixedly communicated with an air spraying cavity (10), the left side and the right side of the air spraying cavity (10) are fixedly communicated with air nozzles (11), the bottom end of the mounting column (8) is fixedly provided with a rotating shaft (22), the outer side surface of the rotating shaft (22) is movably sleeved with a mounting ring (29), the outer side surface of the mounting ring (29) is fixedly provided with a stirring rod (30), the bottom end of the mounting ring (29) is contacted with a jacking block (28), and the bottom end of the jacking block, the bottom fixed mounting of jacking pole (27) has fly leaf (23), the bottom of fly leaf (23) is equipped with rotatory piece (25), the lateral surface fixed mounting of rotatory piece (25) has brush (32), one side contact of fly leaf (23) bottom has cam (21).
2. The cold separation crystallizer for chemical production according to claim 1, wherein: the bottom mounting intercommunication of casing (1) has discharging pipe (12), the top fixed mounting of discharging pipe (12) has filter screen (13), the equal angle fixed mounting in bottom of filter screen (13) has supporting leg (14).
3. The cold separation crystallizer for chemical production according to claim 1, wherein: the fixed cover in inside of cam (21) has installed axle (20), installation axle (20) run through the lateral wall of discharging pipe (12).
4. The cold separation crystallizer for chemical production according to claim 3, wherein: installation axle (20) are kept away from the fixed cover of one end of discharging pipe (12) has been cup jointed pinion (19), the bottom meshing of pinion (19) is connected with master gear (18), the left side of master gear (18) is equipped with auxiliary motor (15), the fixed master gear (18) that has cup jointed of output shaft of auxiliary motor (15), the bottom fixed mounting of auxiliary motor (15) has mount pad (16).
5. The cold separation crystallizer for chemical production according to claim 4, wherein: the bottom fixed mounting of mount pad (16) has supporting seat (17), supporting seat (17) with the bottom of supporting leg (14) is in on the same horizontal plane.
6. The cold separation crystallizer for chemical production according to claim 1, wherein: the top end of the shell (1) is fixedly provided with a top cover (2), the top end of the top cover (2) is fixedly provided with a main motor (4), and an output shaft of the main motor (4) penetrates through the bottom end of the top cover (2) and the mounting column (8) to be fixedly connected.
7. The cold separation crystallizer for chemical production according to claim 6, wherein: the top of top cap (2) is fixed the intercommunication and is located pan feeding mouth (3) on main motor (4) right side, the top fixed mounting of top cap (2) has and is located left cold air pump (5) of main motor (4), the fixed intercommunication of right-hand member of cold air pump (5) has gas-supply pipe (6), gas-supply pipe (6) run through top cap (2) and the bottom and with the fixed intercommunication of erection column (8).
8. The cold separation crystallizer for chemical production according to claim 1, wherein: the bottom fixed mounting of fly leaf (23) has installation pole (24), the bottom of installation pole (24) with the top fixed connection of rotatory piece (25), brush (32) with the inside of discharging pipe (12) contacts.
9. The cold separation crystallizer for chemical production according to claim 1, wherein: one side fixed mounting that puddler (30) kept away from collar (29) has anchor block (31), anchor block (31) are kept away from one side fixed mounting of puddler (30) has felt (26), felt (26) with the inner wall of casing (1) contacts.
CN201911096900.XA 2019-11-11 2019-11-11 Cold crystallizer for chemical production Active CN110772830B (en)

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CN110772830B CN110772830B (en) 2021-08-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112316476A (en) * 2020-11-05 2021-02-05 中盐昆山有限公司 Cold crystallizer
CN114100175A (en) * 2021-11-30 2022-03-01 安徽华塑股份有限公司 Device and method for reducing heat exchange self-polymerization in VCM refining process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103861315A (en) * 2014-04-04 2014-06-18 山东德澳精细化学品有限公司 Crystallization kettle
CN206476793U (en) * 2017-01-11 2017-09-08 启迪桑德环境资源股份有限公司 Cooler crystallizer
CN107185268A (en) * 2017-07-22 2017-09-22 威海沁和实业有限公司 Ventilating and cooling crystallizing tower
CN206566541U (en) * 2017-02-22 2017-10-20 东莞市百和环保科技有限公司 A kind of urea for vehicle crystallization kettle
CN207886731U (en) * 2018-01-10 2018-09-21 衢州北斗星化学新材料有限公司 A kind of sedimentation device efficiently separating lithium hexafluoro phosphate semi-finished product and mother liquor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103861315A (en) * 2014-04-04 2014-06-18 山东德澳精细化学品有限公司 Crystallization kettle
CN206476793U (en) * 2017-01-11 2017-09-08 启迪桑德环境资源股份有限公司 Cooler crystallizer
CN206566541U (en) * 2017-02-22 2017-10-20 东莞市百和环保科技有限公司 A kind of urea for vehicle crystallization kettle
CN107185268A (en) * 2017-07-22 2017-09-22 威海沁和实业有限公司 Ventilating and cooling crystallizing tower
CN207886731U (en) * 2018-01-10 2018-09-21 衢州北斗星化学新材料有限公司 A kind of sedimentation device efficiently separating lithium hexafluoro phosphate semi-finished product and mother liquor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112316476A (en) * 2020-11-05 2021-02-05 中盐昆山有限公司 Cold crystallizer
CN114100175A (en) * 2021-11-30 2022-03-01 安徽华塑股份有限公司 Device and method for reducing heat exchange self-polymerization in VCM refining process

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