CN114515442B - Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from fluorine-containing wastewater - Google Patents
Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from fluorine-containing wastewater Download PDFInfo
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- CN114515442B CN114515442B CN202111308671.0A CN202111308671A CN114515442B CN 114515442 B CN114515442 B CN 114515442B CN 202111308671 A CN202111308671 A CN 202111308671A CN 114515442 B CN114515442 B CN 114515442B
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- 239000013078 crystal Substances 0.000 title claims abstract description 104
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 52
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 52
- 239000011734 sodium Substances 0.000 title claims abstract description 52
- 239000002351 wastewater Substances 0.000 title claims abstract description 41
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000002425 crystallisation Methods 0.000 title claims abstract description 40
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 40
- 239000011737 fluorine Substances 0.000 title claims abstract description 40
- 230000008025 crystallization Effects 0.000 title claims abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 52
- 238000003756 stirring Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 12
- 159000000000 sodium salts Chemical class 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 26
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/50—Fluorides
- C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a crystallization system and a crystallization method for generating sodium fluoroaluminate crystals from fluorine-containing wastewater. The beneficial effects are that: the invention has novel structure and convenient operation, the flow guide plate and the flow dividing groove are arranged, the flow guide plate and the flow dividing groove can guide and divide the seed crystal, then the seed crystal is guided to the discharge pipe at the bottom of the baffle plate, the seed crystal is dispersed by the impact of the material on the seed crystal, the flow speed is accelerated, the mixing speed of the seed crystal and the material is accelerated, the working efficiency of the device is improved, the pipe frame, the connecting pipe and the spray head are arranged, the connecting pipe is connected with the external air pump, then the high-pressure gas is conveyed and conveyed to the spray head through the pipe frame, the spray head sprays the high-pressure gas to the filter plate, the movement speed of the crystal is accelerated, and the discharge efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sodium fluoroaluminate crystal preparation, in particular to a crystallization system and a crystallization method for generating sodium fluoroaluminate crystals from fluorine-containing wastewater.
Background
Sodium fluoroaluminate is a chemical commonly known as cryolite and has the chemical formula Na3AlF6. The sodium fluoroaluminate crystal is mainly used as fluxing agent, pesticide for crops, melting agent and milky white agent for enamel glaze in electrolytic aluminum smelting, and is synthesized by using fluorine-containing wastewater and then adding the mixture in the preparation process.
In the use process of the existing crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater, a worker throws crystal seeds into the second baffle plate through the feeding pipe to induce material crystallization, the flowing speed of the crystal seeds is reduced after the crystal seeds enter, so that the mixing speed of the crystal seeds and the material is lower, and the working efficiency of the device is reduced.
Disclosure of Invention
First, the technical problem to be solved
In order to overcome the defects of the prior art, a crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater is provided, and the problems that in the use process of the existing crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater, a worker puts seed crystals into a second baffle plate through a feeding pipe to induce material crystallization, the flowing speed of the seed crystals is reduced after the seed crystals enter, the mixing speed of the seed crystals and the material is slower, the working efficiency of the device is reduced, and in the use process of the existing crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater, the crystals are in irregular shapes, the fluidity is poor, the discharging speed is slower, the discharging efficiency is reduced, and crystals and moisture after reaction fall down from the second baffle plate in the use process of the existing crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater, and the crystals at last part are easy to adhere to the second baffle plate due to lower power of the water flow, so that the crystals are inconvenient for the worker to clean and the working strength of the worker is increased are solved.
(II) technical scheme
The invention realizes the above purpose through the following technical scheme:
the utility model provides a crystallization system that fluorine-containing waste water generated sodium fluoroaluminate crystal, includes a tank body, baffle one and baffle two, the support frame is installed at tank body top, the support frame top is fixed with the motor, the connecting axle is installed to the motor bottom, the stirring fan is installed to the connecting axle bottom, the feed liquor pipe is installed to tank body one side wall top, the feed liquor pipe below is provided with the fluid-discharge tube, feed pipe one is installed to tank body another lateral wall top, feed pipe below is provided with feed pipe two, tank body another lateral wall below is connected with the blowing door, the internal mid-mounting of tank has baffle one, baffle one is provided with baffle two bottom middle part all installs the row material pipe, install the solenoid valve on the row material pipe, baffle one with be provided with the guide plate between the baffle two, be provided with the splitter box on the guide plate, baffle two bottom one side fixedly is provided with the mount pad, be connected with vibration motor on the mount pad one side, support plate one side below is provided with the feed pipe support, be connected with the filter on the electric pipe support, one side is installed to the electric pipe support, the baffle bottom is installed to the baffle one side, the opposite side is installed on the electric pipe support, the electric putter bottom is installed to the baffle one side.
Further, the motor output shaft is in key connection with the connecting shaft, and the connecting shaft is in bolt connection with the stirring fan.
Through adopting above-mentioned technical scheme, can make the motor passes through the connecting axle drives stirring fan stirs fluorine-containing waste water, soluble sodium salt and soluble aluminum salt.
Further, the first feeding pipe is connected with the tank body pipe hoop, and the second feeding pipe is connected with the tank body pipe hoop.
By adopting the technical scheme, the soluble sodium salt and the soluble aluminum salt can be thrown into the first part of the partition board through the feeding pipe, and then the seed crystal is thrown into the second part of the partition board through the feeding pipe.
Further, the first partition board is connected with the tank body through bolts, the second partition board is connected with the tank body through bolts, and the first partition board and the second partition board are high in the periphery and low in the middle.
Through adopting above-mentioned technical scheme, can pass through baffle one with baffle two pair the internal layering of jar is convenient for the material carries out the reaction of different degree.
Further, the discharge pipe is welded with the first partition plate, the discharge pipe is welded with the second partition plate, and the discharge pipe is connected with the electromagnetic valve pipe hoop.
Through adopting above-mentioned technical scheme, can make baffle one with material on the baffle two passes through arrange the material pipe and discharge downwards, simultaneously, through solenoid valve control arrange the break-make of material pipe.
Further, the guide plate is connected with the tank body through bolts, the diversion grooves are formed in the guide plate, and the guide plate adopts an inclined structure.
Through adopting above-mentioned technical scheme, can pass through the guide plate with the shunt channels is guided and is shunted the seed crystal, then with the seed crystal guide reach a baffle bottom row material pipe department makes the seed crystal disperse through the impact of material to the seed crystal for flow velocity and seed crystal and material mixing speed, improvement device's work efficiency.
Further, the mounting seat is connected with the partition board through two bolts, and the vibration motor is connected with the mounting seat through bolts.
Through adopting above-mentioned technical scheme, can make vibration motor passes through the mount pad is fixed on the baffle two, through vibration motor makes the crystal that attaches on the baffle two removes, avoids the crystal to attach on the baffle two.
Further, the pipe support with shower nozzle threaded connection, the pipe support with the connecting pipe ferrule is connected, the pipe support with backup pad buckle is connected, shower nozzle spray angle with the filter is parallel.
Through adopting above-mentioned technical scheme, can make the connecting pipe connects outside air pump, then carries high-pressure gas and carries high-pressure gas to with the pipe support department is passed through the shower nozzle department, by the shower nozzle spouts high-pressure gas to on the filter for the velocity of movement of crystalline solid.
Further, the electric push rod is in bolted connection with the baffle, the filter plate is in bolted connection with the tank body, and the filter plate 24 adopts an inclined structure.
Through adopting above-mentioned technical scheme, can filter crystal and moisture through the filter, then pass through electric putter drives the baffle is right the filter is sheltered from, avoids the moisture outflow.
The invention has the beneficial effects that:
1. in order to solve the problems that in the use process of the existing crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater, a worker puts seed crystals into a second baffle plate through a feeding pipe to induce material crystallization, and the flowing speed of the seed crystals is reduced after the seed crystals enter, so that the mixing speed of the seed crystals and the material is slower, and the working efficiency of the device is reduced;
2. in order to solve the problems that the existing crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater is low in discharging speed and reduces discharging efficiency due to the fact that crystals are irregularly shaped and poor in fluidity due to the fact that the crystals are discharged by means of the fluidity of the crystallization system, the pipe support, the connecting pipe and the spray head are arranged, the connecting pipe can be connected with an external air pump, then high-pressure gas is conveyed and conveyed to the spray head through the pipe support, the spray head sprays the high-pressure gas onto a filter plate, the movement speed of the crystals is accelerated, and the discharging efficiency is improved;
3. in order to solve the problems that in the prior crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater, crystals and moisture after reaction fall from the second partition board, and the crystals at the last part are easy to attach to the second partition board due to small power of a water flow belt, so that the cleaning of workers is inconvenient and the working strength of the workers is increased, the invention can fix the vibration motor on the second partition board through the mounting seat and the vibration motor, and the crystals attached to the second partition board are moved through the vibration motor, so that the crystals are prevented from attaching to the second partition board, the cleaning is convenient and the working strength of the workers is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a crystallization system for producing sodium fluoroaluminate crystals from fluorine-containing wastewater according to the present invention;
FIG. 2 is a front cross-sectional view of a crystallization system for producing sodium fluoroaluminate crystals from fluorine-containing wastewater in accordance with the present invention;
FIG. 3 is a top view of a crystallization system for producing sodium fluoroaluminate crystals from fluorine-containing wastewater in accordance with the present invention;
FIG. 4 is a schematic diagram showing the connection relationship between a guide plate and a guide groove in the crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater.
The reference numerals are explained as follows:
1. a tank body; 2. a support frame; 3. a stepping motor; 4. a connecting shaft; 5. a stirring fan; 6. a liquid inlet pipe; 7. a liquid discharge pipe; 8. a first feeding pipe; 9. a second feeding pipe; 10. a first partition board; 11. a second partition board; 12. a discharge pipe; 13. an electromagnetic valve; 14. a deflector; 15. a shunt channel; 16. a mounting base; 17. a vibration motor; 18. a support plate; 19. a pipe rack; 20. a spray head; 21. a connecting pipe; 22. an electric push rod; 23. a baffle; 24. a filter plate; 25. and a discharging door.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1-4, the crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater comprises a tank body 1, a first baffle plate 10 and a second baffle plate 11, wherein a support frame 2 is arranged at the top of the tank body 1, the support frame 2 can support a stepping motor 3, the stepping motor 3 is fixed above the support frame 2, the stepping motor 3 can drive a connecting shaft 4 to rotate, the connecting shaft 4 is arranged at the bottom of the stepping motor 3, the connecting shaft 4 can drive a stirring fan 5 to rotate, the stirring fan 5 is arranged at the bottom of the connecting shaft 4, the stirring fan 5 can stir fluorine-containing wastewater, soluble sodium salt and soluble aluminum salt, a liquid inlet pipe 6 is arranged above one side wall of the tank body 1, the fluorine-containing wastewater enters the first baffle plate 10 through the liquid inlet pipe 6, a liquid discharge pipe 7 is arranged below the liquid inlet pipe 6, residual moisture can be discharged out of the tank body 1 through the liquid discharge pipe 7, a first feeding pipe 8 is arranged above the other side wall of the tank body 1, soluble sodium salt and soluble aluminum salt can enter the first partition plate 10 through the first feeding pipe 8, a second feeding pipe 9 is arranged below the first feeding pipe 8, seed crystals can enter the partition plate through the second feeding pipe 9, a discharge door 25 is connected below the other side wall of the tank body 1, crystals can be discharged out of the tank body 1 through the discharge door 25, the first partition plate 10 is arranged in the middle of the tank body 1, fluorine-containing wastewater, soluble sodium salt and soluble aluminum salt can react on the first partition plate 10, the second partition plate 11 is arranged below the first partition plate 10, reaction liquid and seed crystals can react on the second partition plate 11, a discharge pipe 12 is arranged in the middle of the bottom ends of the first partition plate 10 and the second partition plate 11, the mixture of fluorine-containing wastewater, soluble sodium salt and soluble aluminum salt can move to the second partition plate 11 through the discharge pipe 12, crystals and residual moisture can move to the filter plate 24 through the discharge pipe 12, an electromagnetic valve 13 is arranged on the discharge pipe 12, the electromagnetic valve 13 can control the on-off of the discharge pipe 12, a guide plate 14 is arranged between the first partition plate 10 and the second partition plate 11, the guide plate 14 can guide the seed crystal, a diversion groove 15 is arranged on the guide plate 14, the diversion groove 15 can divert the seed crystal, a mounting seat 16 is fixed on one side of the bottom end of the second partition plate 11, the mounting seat 16 can be provided with a vibration motor 17, the mounting seat 16 is connected with a vibration motor 17, the vibration motor 17 can vibrate the second baffle plate 11, a support plate 18 is arranged on one side of the mounting seat 16, the support plate 18 can be provided with a pipe frame 19, the pipe frame 19 is arranged below one side of the support plate 18, the pipe frame 19 can split high-pressure gas to the position of the spray head 20, the spray head 20 is connected with one side of the pipe frame 19, the high-pressure gas can be sprayed onto the filter plate 24 by the spray head 20, a connecting pipe 21 is arranged on the other side of the pipe frame 19, the connecting pipe 21 can be connected with an external air pump and convey the high-pressure gas, an electric push rod 22 is arranged on the other side of the bottom end of the second baffle plate 11, the electric push rod 22 can drive the baffle plate 23 to move, a baffle plate 23 is fixed at the bottom of the electric push rod 22, the baffle plate 23 can shield moisture and crystals, the filter plate 24 is arranged below the second baffle plate 11, the filter plate 24 may separate water seals and crystals.
In this embodiment, the output shaft of the stepper motor 3 is in key connection with the connecting shaft 4, and the connecting shaft 4 is in bolt connection with the stirring fan 5, so that the stepper motor 3 drives the stirring fan 5 to stir the wastewater, the soluble sodium salt and the soluble aluminum salt through the connecting shaft 4.
In this embodiment, the first feeding pipe 8 is connected to the pipe hoop of the tank body 1, the second feeding pipe 9 is connected to the pipe hoop of the tank body 1, and the first feeding pipe 8 is capable of feeding soluble sodium salt and soluble aluminum salt to the first partition board 10, and then feeding seed crystal to the second partition board 11 through the second feeding pipe 9.
In this embodiment, baffle one 10 with jar body 1 bolted connection, baffle two 11 with jar body 1 bolted connection, baffle one 10 with baffle two 10 are all around high, and the centre is low, can pass through baffle one 10 with baffle two 11 pair carry out the layering in the jar body 1, and the material of being convenient for carries out the reaction of different degree.
In this embodiment, the material discharging pipe 12 is welded to the first partition plate 10, the material discharging pipe 12 is welded to the second partition plate 11, and the material discharging pipe 12 is connected to the pipe hoop of the electromagnetic valve 13, so that the materials on the first partition plate 10 and the second partition plate 11 can be discharged downwards through the material discharging pipe 12, and meanwhile, the on-off of the material discharging pipe 12 is controlled through the electromagnetic valve 13.
In this embodiment, the deflector 14 is in bolted connection with the tank body 1, the splitter box 15 is formed on the deflector 14, the deflector 14 adopts an inclined structure, so that the seed crystal can be guided and split through the deflector 14 and the splitter box 15, and then the seed crystal is guided to the discharge pipe 12 at the bottom of the first separator 10, so that the seed crystal is dispersed through the impact of the material on the seed crystal, the flow speed and the mixing speed of the seed crystal and the material are increased, and the working efficiency of the device is improved.
In this embodiment, the mounting seat 16 is in bolted connection with the second partition plate 11, and the vibration motor 17 is in bolted connection with the mounting seat 16, so that the vibration motor 17 is fixed on the second partition plate 11 through the mounting seat 16, and crystals attached to the second partition plate 11 are moved through the vibration motor 17, so as to avoid the crystals from being attached to the second partition plate 11.
In this embodiment, the pipe rack 19 is in threaded connection with the nozzle 20, the pipe rack 19 is connected with the pipe collar of the connecting pipe 21, the pipe rack 19 is in snap connection with the supporting plate 18, the injection angle of the nozzle 20 is parallel to the filter plate 24, so that the connecting pipe 21 is connected with an external air pump, then high-pressure gas is delivered and delivered to the nozzle 20 through the pipe rack 19, and the nozzle 20 injects the high-pressure gas onto the filter plate 24, so as to accelerate the movement speed of crystals.
In this embodiment, the electric putter 22 with baffle 23 bolted connection, filter 24 with jar body 1 bolted connection, filter 24 adopts inclined structure, can pass through filter 24 is crystalline and moisture filters, then passes through the electric putter 22 drives baffle 23 is right filter 24 shelters from, avoids the moisture outflow.
The crystallization method of the crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater comprises the following steps: during use, a worker uses a metering pump to convey fluorine-containing wastewater, soluble sodium salt and soluble aluminum salt onto the first baffle plate 10 in the first tank body 1 from the liquid inlet pipe 6 and the first feed pipe 8 respectively, then the stepping motor 3 on the support frame 2 drives the stirring fan 5 to rotate through the connecting shaft 4, the fluorine-containing wastewater, the soluble sodium salt and the soluble aluminum salt can be quickly mixed to form a sodium fluoroaluminate solution through the rotation of the stirring fan 5, after the mixing is finished, the first electromagnetic valve 13 is opened, the sodium fluoroaluminate solution is moved onto the second baffle plate 11 through the discharge pipe 12, the worker again uses the metering pump to throw seed crystals onto the second baffle plate 11 from the second feed pipe 9 when the sodium fluoroaluminate solution moves, and when the seed crystals enter the tank body 1, the seed crystals are guided and split by the guide plate 14 and the split flow grooves 15, then the sodium fluoroaluminate solution guided onto the bottom of the first baffle plate 10 is quickly mixed to form a sodium fluoroaluminate solution, the second baffle plate 11 is conveniently moved by the second electromagnetic valve 13, the sodium fluoroaluminate solution is further moved to the second baffle plate 11 through the discharge pipe 12, the vibration of the sodium fluoroaluminate solution is further, the vibration-induced by the vibration-type filter plate is further improved, the vibration-type crystal-removing device is further, the vibration-absorbing sodium fluoroaluminate solution is prevented from being transferred to the second baffle plate 11, and the vibration-type is further moved by the vibration-absorbing sodium fluoroaluminate solution is further, and the vibration-down, and the vibration-type is further, the vibration-released, and the vibration device is further, and the vibration is further is convenient to be moved, and the vibration-and is accordingly, and the vibration is moved. The sodium fluoroaluminate crystals and residual moisture are separated through the filter plates 24, in the separation process, the electric push rod 22 drives the baffle plates 23 to shield the filter plates 24, water and crystals are prevented from flowing out, after the flow division is completed, workers open the discharging doors 25, then the electric push rod 22 drives the baffle plates 23 to ascend, crystals are discharged along the filter plates 24, in the discharge process, the connecting pipe 21 can be connected with an external air pump, then high-pressure gas is conveyed and conveyed to the spray heads 20 through the pipe frames 19 on the supporting plate 18, the spray heads 20 spray the high-pressure gas onto the filter plates 24, so that the movement speed of the crystals is accelerated, and the discharge efficiency is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and their equivalents.
Claims (10)
1. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater is characterized in that: including jar body (1), baffle one (10) and baffle two (11), support frame (2) are installed at jar body (1) top, support frame (2) top is fixed with step motor (3), step motor (3) bottom mounting has connecting axle (4), stirring fan (5) are installed to connecting axle (4) bottom, feed liquor pipe (6) are installed to jar body (1) lateral wall top, feed liquor pipe (6) below is provided with fluid-discharge tube (7), feed pipe one (8) are installed to another lateral wall top of jar body (1), feed pipe one (8) below is provided with feed pipe two (9), be connected with discharge door (25) in jar body (1) another lateral wall below, mid-mounting has baffle one (10), baffle one (10) below is provided with baffle two (11), baffle one (10) with baffle two (11) bottom mid-mounting has discharge tube (12), discharge tube (12) are provided with fluid-discharge tube (13), baffle one (14) are installed to baffle one side (14) is provided with baffle two, baffle one side (14) is provided with baffle one side (14), be connected with vibration motor (17) on mount pad (16), mount pad (16) one side is provided with backup pad (18), pipe support (19) are installed to backup pad (18) one side below, one side is connected with shower nozzle (20) on pipe support (19), connecting pipe (21) are installed to the opposite side on pipe support (19), electric putter (22) are installed to baffle two (11) bottom opposite side, electric putter (22) bottom is fixed with baffle (23), baffle two (11) below is provided with filter (24).
2. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the output shaft of the stepping motor (3) is connected with the connecting shaft (4) in a key way, and the connecting shaft (4) is connected with the stirring fan (5) through bolts.
3. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the first feeding pipe (8) is connected with the pipe hoop of the tank body (1), and the second feeding pipe (9) is connected with the pipe hoop of the tank body (1).
4. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the first partition board (10) is connected with the tank body (1) through bolts, the second partition board (11) is connected with the tank body (1) through bolts, and the first partition board (10) and the second partition board (10) are high in the periphery and low in the middle.
5. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the discharging pipe (12) is welded with the first partition plate (10), the discharging pipe (12) is welded with the second partition plate (11), and the discharging pipe (12) is connected with the pipe hoop of the electromagnetic valve (13).
6. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the guide plate (14) is connected with the tank body (1) through bolts, the diversion groove (15) is formed in the guide plate (14), and the guide plate (14) adopts an inclined structure.
7. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the mounting seat (16) is connected with the second partition plate (11) through bolts, and the vibration motor (17) is connected with the mounting seat (16) through bolts.
8. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the pipe support (19) with shower nozzle (20) threaded connection, pipe support (19) with connecting pipe (21) ferrule is connected, pipe support (19) with backup pad (18) buckle is connected, shower nozzle (20) spray angle with filter (24) are parallel.
9. The crystallization system for generating sodium fluoroaluminate crystals from fluorine-containing wastewater according to claim 1, wherein: the electric push rod (22) is connected with the baffle (23) through bolts, the filter plate (24) is connected with the tank body (1) through bolts, and the filter plate (24) adopts an inclined structure.
10. A crystallization method of a crystallization system for producing sodium fluoroaluminate crystals from fluorine-containing wastewater, which is applied to the crystallization system for producing sodium fluoroaluminate crystals from fluorine-containing wastewater according to any one of claims 1 to 9, and is characterized in that: during use, a worker uses a metering pump to respectively convey fluorine-containing wastewater, soluble sodium salt and soluble aluminum salt from the liquid inlet pipe (6) and the first feeding pipe (8) to the first partition board (10) in the first tank body (1), then the stepping motor (3) on the supporting frame (2) drives the stirring fan (5) to rotate through the connecting shaft (4), the fluorine-containing wastewater, the soluble sodium salt and the soluble aluminum salt can be quickly mixed through the rotation of the stirring fan (5) to form a sodium fluoroaluminate solution, after the mixing is completed, the first electromagnetic valve (13) is opened, the sodium fluoroaluminate solution is moved to the second partition board (11) through the liquid outlet pipe (12), the worker uses the metering pump to throw seed crystals from the second feeding pipe (9) to the second partition board (11) again, and when the seed crystals enter the tank body (1), the seed crystals (14) and the seed crystals (15) are quickly mixed to form a sodium fluoroaluminate solution, the sodium fluoroaluminate solution is further distributed to the first partition board (11) through the liquid flow, the sodium fluoroaluminate solution is further distributed to the first partition board (11), the sodium fluoroaluminate solution is further distributed to the second partition board (11) is accelerated, the sodium fluoroaluminate solution is discharged through the liquid flow through the liquid diversion device is accelerated, then open again solenoid valve (13), make sodium fluoroaluminate crystal and surplus moisture discharge to on filter (24), and vibration motor (17) pass through mount pad (16) are fixed on baffle two (11), through vibration motor (17) make the crystal that adheres to on baffle two (11) moves, avoids the crystal to adhere to on baffle two (11), and convenient clearance reduces staff's working strength, separates sodium fluoroaluminate crystal and surplus moisture through filter (24), in the separation process, electric putter (22) drive baffle (23) are right filter (24) department shelters from moisture and crystal outflow, after the reposition of redundant personnel is accomplished, the staff is opened blowing door (25), then through electric putter (22) drive baffle (23) rise, make crystal follow filter (24) discharge, in the discharge process, connecting pipe (21) can connect outside air pump, then carry high-pressure gas and will be high-speed up through backup pad (18) filter (24) the high-pressure gas is carried to spray head (20) the shower nozzle (20).
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