CN117450766B - Potassium persulfate evaporative crystallization process and evaporative crystallization device - Google Patents
Potassium persulfate evaporative crystallization process and evaporative crystallization device Download PDFInfo
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- CN117450766B CN117450766B CN202311758265.3A CN202311758265A CN117450766B CN 117450766 B CN117450766 B CN 117450766B CN 202311758265 A CN202311758265 A CN 202311758265A CN 117450766 B CN117450766 B CN 117450766B
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- evaporation
- potassium persulfate
- evaporation plate
- plate
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- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000002425 crystallisation Methods 0.000 title claims abstract description 41
- 230000008025 crystallization Effects 0.000 title claims abstract description 41
- 230000008569 process Effects 0.000 title claims abstract description 37
- 238000001704 evaporation Methods 0.000 claims abstract description 230
- 230000008020 evaporation Effects 0.000 claims abstract description 203
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000005012 migration Effects 0.000 claims description 3
- 238000013508 migration Methods 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 16
- 238000003756 stirring Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-N peroxydisulfuric acid Chemical compound OS(=O)(=O)OOS(O)(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-N 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention belongs to the field of potassium persulfate preparation, in particular to a potassium persulfate evaporation crystallization process and an evaporation crystallization device, comprising an evaporation tank, wherein an evaporation plate is arranged in the middle of the inner side of the evaporation tank, a heating seat is fixedly connected to the inner side of the evaporation tank near the bottom, a top cover is fixedly connected to the top of the evaporation tank, a charging cover and an exhaust pipe are connected to the top surface of the top cover, and a vibration component is further arranged at the bottom of the evaporation plate.
Description
Technical Field
The invention belongs to the field of potassium persulfate preparation, and particularly relates to a potassium persulfate evaporation crystallization process and an evaporation crystallization device.
Background
The chemical reagent potassium persulfate is white crystalline powder, is soluble in water and insoluble in ethanol, has strong oxidizing property, is commonly used as bleaching agent and oxidant, can be used as polymerization initiator, has little moisture absorption, has good stability at normal temperature, is convenient to store, and has the advantages of convenience, safety and the like.
The preparation of potassium persulfate generally comprises preparing electrolyte from ammonium sulfate and sulfuric acid, removing impurities, performing electrolysis, discharging HSO4 at an anode to generate peroxodisulfuric acid, reacting with ammonium sulfate to generate ammonium persulfate, adding potassium sulfate for double decomposition reaction, cooling, separating, crystallizing, and drying to obtain finished potassium persulfate product, wherein the crystallization stage is to evaporate and crystallize the prepared wet potassium persulfate.
The traditional equipment generally puts the potassium persulfate of preparing into heating household utensils and directly heats, and the potassium persulfate just passes through the filtration of filter paper at this moment, and the majority moisture that gets rid of still needs to carry out heating evaporation treatment, and to the potassium persulfate forms the crystallization after the moisture precipitation, in order to guarantee the homogeneity of heating, needs to tile moist potassium persulfate in household utensils, still needs constantly to stir simultaneously, still needs appropriate observation simultaneously in the stirring process, prevents the caking, and traditional equipment hardly purely mechanical accomplish above-mentioned step.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a potassium persulfate evaporation crystallization device, which comprises an evaporation tank, wherein an evaporation plate is arranged in the middle of the inner side of the evaporation tank, a heating seat is fixedly connected to the inner side of the evaporation tank near the bottom, a top cover is fixedly connected to the top of the evaporation tank, a charging cover and an exhaust pipe are connected to the top surface of the top cover, a driving assembly is arranged at the bottom of the evaporation plate and used for driving the evaporation plate to rotate, and a vibration assembly is also arranged at the bottom of the evaporation plate and used for driving the evaporation plate to vibrate at different frequencies;
through the setting of evaporating plate, open the reinforced cover on the top cap, pour moist potassium persulfate on the evaporating plate, in the joining process, can start drive assembly, let evaporating plate rotatory, like this fixed point pour potassium persulfate wherein into can be comparatively even spread in evaporating plate top, after the feeding, start the heating seat and heat up the evaporation tank inside, collect the exhaust air through the blast pipe, it needs to retrieve to need to pay attention to, can not direct emission to the steam that produces in the potassium persulfate evaporation process, in the heating process, start vibration subassembly and drive the evaporating plate and shake, vibration subassembly can carry out the vibrations of different frequencies, after normal working a period under same frequency, the potassium persulfate on evaporating plate surface can form specific pattern under the effect of vibrations, after the switching frequency, the pattern that forms can change again, through this kind of method, only need control vibration assembly law's switching vibration frequency, just can let potassium persulfate constantly carry out the removal, simultaneously because the existence of vibrations, the potassium persulfate granule can be light at evaporating plate surface removal, and the pattern that produces is symmetrical and evenly distributed just need not to realize that the crystallization is evenly distributed is in the evaporation ball is carried out in the evaporation of the realization, the problem of the contact performance is not mixed in the stirring, the stirring is even is not carried out in the evaporation ball, the stirring particle is even is realized simultaneously.
Preferably, the outside of evaporation jar is connected with screw nut mechanism by the top, screw rod of screw nut mechanism runs through the both sides of evaporation jar, screw nut mechanism's movable end rigid coupling has the movable seat, the bottom rigid coupling of movable seat has the hydraulic stem, the bottom of hydraulic stem is connected with crushing wheel, in the material feeding in-process, start screw nut mechanism and drive movable seat and carry out horizontal migration, simultaneously because evaporation board is in under the rotatory state this moment, make crushing wheel can be in evaporation board's surface spiral motion, can extrude each cun surface of evaporation board, just can lay flat potassium persulfate poured from the top on evaporation board surface, assist follow-up even heating process, crushing wheel suspension in evaporation board's top and contact, after evaporation begins, start the hydraulic stem and let crushing wheel and evaporation board surface laminating, so just can grind the potassium persulfate in the crystallization process, because crushing wheel itself can rotate, therefore also can not push the potassium persulfate to one side, add the continuous change of vibration frequency, make potassium persulfate granule disperse and then carry out even cooperation after having guaranteed two and have paved potassium persulfate at last.
Preferably, a plurality of holes are formed in the surface of the evaporating plate, an isolation pad is arranged on the top surface of the evaporating plate, a plurality of spray heads are arranged above the isolation pad, a plurality of water drainage grooves are formed in the top surface of the heating seat, the isolation pad can be penetrated by liquid, but potassium persulfate can not be penetrated, so that the humidity of the potassium persulfate in the evaporating tank is kept the same, the evaporation rate is prevented from being different during heating, after the evaporating tank is added, proper amount of clear water is sprayed to the top surface of the evaporating plate through the spray heads in the grinding wheel paving process, the potassium persulfate can be washed for the last time, impurities are removed, the humidity of the potassium persulfate can be guaranteed to be the same, and the liquid which permeates downwards can flow outwards through the holes.
Preferably, the vibration assembly comprises a plurality of support arms, the plurality of support arms are annular equidistance and set up in the below of evaporating plate, and the support arm rotates with the inner wall of evaporating pot to be connected, the rigid coupling has the torsional spring between support arm and the evaporating pot, the rigid coupling has vibration module on the face of support arm, vibration module is laminated with the bottom surface of evaporating plate, and a plurality of support arms are close to the evaporating plate all the time in the bottom of evaporating plate, start through vibration module, just can drive the evaporating plate surface and carry out the vibrations of same frequency, and then realized the effect that potassium persulfate changed various patterns, add a plurality of vibration module annular equidistance and arrange, still keep symmetrical wave form after the sound ripple of formation overlaps each other, let the pattern that forms keep symmetrical, let potassium persulfate can evenly distributed, the torsional spring can guarantee that the support arm is upwards perk always, guarantee that vibration effect can normally transmit.
Preferably, the drive assembly comprises a drive motor, the top output rigid coupling of drive motor has the driving disk, driving disk slip joint is at the top surface of heating seat, be connected with the spring telescopic link between evaporating plate and the driving disk, it is rotatory to drive the connecting seat through driving motor, and then drives the spring telescopic link and rotate, drives the evaporating plate at last and rotates, because the connecting seat is by the joint in the heating seat, therefore the vibrations of evaporating plate also can not influence driving motor.
Preferably, the bottom rigid coupling of heating seat has the supporting seat, the bottom rigid coupling of spring telescopic link has the connecting seat, connecting seat slip joint is on the driving disk top surface, the top and the supporting seat bottom rigid coupling of spring telescopic link, the rigid coupling has two transmission bars that the symmetry set up between bottom surface and the driving disk of supporting seat, the transmission bar is elastic material, because the evaporation plant is in vibration state always, in order to guarantee that the rotatory transmission effect of bottom goes on, transmits the rotation of driving disk to the supporting seat through two elastic transmission bars, and the supporting seat drives the evaporation plant and normally rotates again, and the spring telescopic link does not participate in the rotation in the transmission process, but the vibrations that the evaporation plant produced can be absorbed by it, can not influence the driving disk and the driving motor of bottom, and the transmission bar possesses certain toughness and can suitably warp, can effectually transmit, but can not excessively warp and lead to self winding at spring telescopic link surface.
Preferably, the top surface of top cap is last the rigid coupling has the water storage tank, and the top rigid coupling of a plurality of shower nozzles has the shunt tubes, and the top of a plurality of shunt tubes all with the inboard rigid coupling of water storage tank, gives a plurality of shunt tubes with clean water through the water storage tank, transmits the shower nozzle of dividing into two rows again, guarantees the continuous even spraying effect of shower nozzle.
Preferably, the absorption cover is fixedly connected to two sides of the movable seat, the bottom of the absorption cover is provided with an opening, the top of the top cover is fixedly connected with the negative pressure pump, a hose is connected between the negative pressure pump and the two absorption covers, after the manufacturing of the crystal finished product is completed, the negative pressure pump is started, the hose is connected with the pipeline at the outlet end of the negative pressure pump, the negative pressure of the negative pressure pump is transmitted to the absorption cover through the hose, the absorption cover can fully absorb potassium persulfate crystals on the surface of the evaporation plate along with the horizontal movement of the movable seat and the rotation of the heating seat, so that the finished product can be completely taken out without opening the evaporation tank, and the edge of the isolation pad is clamped with the evaporation plate and cannot be separated due to the negative pressure.
Preferably, smash the surface laminating of wheel and isolated pad, the surface rigid coupling of smashing the wheel has a plurality of elastic bulge that are used for the extrusion, smash the wheel wholly and be high temperature resistant solid material, smash the surface bulge of wheel, the potassium persulfate of smashing the caking that can be better rolls, helps smashing the caking.
The potassium persulfate evaporative crystallization process is suitable for the potassium persulfate evaporative crystallization device described in any one of the above, and specifically comprises the following steps:
s1: pouring wet potassium persulfate on an evaporation plate, driving the evaporation plate to rotate by a driving motor in the adding process, and driving a movable seat to horizontally move by starting a screw nut mechanism while rotating;
s2: at the moment, the evaporation plate is in a rotating state, so that the crushing wheel can do spiral motion on the surface of the evaporation plate, each inch of surface of the evaporation plate can be extruded, potassium persulfate poured from above can be paved on the surface of the evaporation plate, and the subsequent uniform heating process is assisted;
s3: the vibration component is started to drive the evaporation plate to vibrate, the vibration component can vibrate at different frequencies, after the evaporation plate works normally for a period of time at the same frequency, potassium persulfate on the surface of the evaporation plate can form a specific pattern under the action of vibration, and after the frequency is switched, the formed pattern can be changed;
s4: after the crystallization finished product is manufactured, a negative pressure pump is started, a pipeline is connected to the outlet end of the negative pressure pump, the negative pressure of the negative pressure pump is transmitted to an absorption cover through a hose, and the absorption cover can fully absorb potassium persulfate crystals on the surface of an evaporation plate into the absorption cover along with the horizontal movement of a movable seat and the rotation of a heating seat, so that the finished product can be fully taken out without opening an evaporation tank.
The beneficial effects of the invention are as follows:
1. according to the potassium persulfate evaporation crystallization process and the evaporation crystallization device, the evaporation plate is provided, the charging cover on the top cover is opened, the wet potassium persulfate is poured on the evaporation plate, the driving assembly can be started to rotate the evaporation plate in the adding process, so that the potassium persulfate poured into the evaporation plate at fixed points can be uniformly paved above the evaporation plate, after the charging is finished, the heating seat is started to heat the inside of the evaporation tank, the exhaust air is collected through the exhaust pipe, and the vapor generated in the potassium persulfate evaporation process needs to be recovered and cannot be directly discharged.
2. According to the potassium persulfate evaporation crystallization process and the evaporation crystallization device, the screw nut mechanism is started to drive the movable seat to horizontally move through the arrangement of the crushing wheels, meanwhile, the crushing wheels can do spiral motion on the surface of the evaporation plate at the moment under the rotating state of the evaporation plate, each inch surface of the evaporation plate can be extruded, potassium persulfate poured from the upper part can be paved on the surface of the evaporation plate to assist in the subsequent uniform heating process, the crushing wheels are suspended above the evaporation plate in the paving process and are not contacted with the evaporation plate, after evaporation starts, the hydraulic rod is started to enable the crushing wheels to be attached to the surface of the evaporation plate, so that potassium persulfate in the crystallization process can be crushed and crushed, and as the crushing wheels can rotate, the potassium persulfate cannot be pushed to one side, and the vibration frequency is continuously changed, potassium persulfate particles are uniformly paved after being dispersed, and the crystallization quality of the final potassium persulfate is ensured through the cooperation of the potassium persulfate particles.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a first perspective cross-sectional view of the present invention;
FIG. 3 is a perspective view of an evaporation plate of the present invention;
FIG. 4 is a perspective view of an absorber and shredder wheel of the present invention;
FIG. 5 is a first perspective cross-sectional view of the present invention;
FIG. 6 is a perspective view of a heater base and support arm of the present invention;
FIG. 7 is a block diagram of the process flow of the present invention;
in the figure: 1. an evaporation tank; 2. a screw nut mechanism; 3. a top cover; 4. a water storage tank; 5. a negative pressure pump; 6. a shunt; 7. a spray head; 8. an absorption cover; 9. an evaporation plate; 10. a drainage channel; 11. a heating seat; 12. an insulation pad; 13. a pulverizing wheel; 14. a movable seat; 15. a hydraulic rod; 16. a hose; 17. a driving motor; 18. a support arm; 19. a drive plate; 20. a support base; 21. a vibration module; 22. a transmission bar; 23. a spring telescoping rod; 24. and a connecting seat.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 3, the potassium persulfate evaporation crystallization device according to the embodiment of the invention comprises an evaporation tank 1, wherein an evaporation plate 9 is arranged in the middle of the inner side of the evaporation tank 1, a heating seat 11 is fixedly connected to the inner side of the evaporation tank 1 near the bottom, a top cover 3 is fixedly connected to the top of the evaporation tank 1, a charging cover and an exhaust pipe are connected to the top surface of the top cover 3, a driving assembly is arranged at the bottom of the evaporation plate 9 and used for driving the evaporation plate 9 to rotate, and a vibration assembly is also arranged at the bottom of the evaporation plate 9 and used for driving the evaporation plate 9 to vibrate at different frequencies;
when the device works, the traditional device generally puts the prepared potassium persulfate into a heating vessel to be directly heated, and the potassium persulfate just passes through the filtration of filter paper to remove most of water, and also needs to be subjected to heating evaporation treatment, so that the potassium persulfate forms crystals after water precipitation, in order to ensure the heating uniformity, the moist potassium persulfate needs to be paved in the vessel, and meanwhile, continuous stirring is required, and meanwhile, proper observation is required in the stirring process to prevent caking, so that the traditional device is difficult to achieve the steps purely mechanically;
through the setting of evaporation board 9, open the reinforced cover on the top cap 3, pour moist potassium persulfate on evaporation board 9, in the joining process, can start drive assembly, let evaporation board 9 rotatory, like this fixed point pour potassium persulfate wherein into can be comparatively even spread in evaporation board 9 top, after the feeding, start heating seat 11 and heat up evaporation tank 1 inside, collect the exhaust air through the blast pipe, it need retrieve to pay attention to, can not direct emission to the steam that produces in the potassium persulfate evaporation process, in the heating process, start vibration subassembly and drive evaporation board 9 and shake, vibration subassembly can carry out the vibrations of different frequencies, after the normal work of same frequency for a period of time, the potassium persulfate on evaporation board 9 surface can form specific pattern under the effect of vibrations, after the switching frequency, the pattern that forms can change again, through this kind of method, only need control vibration subassembly regular switching vibration frequency just can let potassium persulfate constantly remove, simultaneously because the existence of vibrations, potassium persulfate granule can be relaxed at evaporation board 9 surface removal, and the uniform distribution of producing the symmetry is produced in the evaporation cluster is realized in the evaporation cluster setting up the uniform distribution of the stirring, the problem of the contact evaporation cluster is realized simultaneously, the stirring particle is not evenly distributed in the evaporation cluster is realized at the stirring process.
As shown in fig. 1 to 5, a screw nut mechanism 2 is connected to the outside of the evaporation tank 1 near the top, a screw of the screw nut mechanism 2 penetrates through two sides of the evaporation tank 1, a moving seat 14 is fixedly connected to a moving end of the screw nut mechanism 2, a hydraulic rod 15 is fixedly connected to the bottom of the moving seat 14, and a crushing wheel 13 is connected to the bottom of the hydraulic rod 15;
during operation, in the feeding process, the screw nut mechanism 2 is started to drive the movable seat 14 to horizontally move, meanwhile, as the evaporation plate 9 is in a rotating state, the crushing wheel 13 can do spiral motion on the surface of the evaporation plate 9, each inch of surface of the evaporation plate 9 can be extruded, potassium persulfate poured from the upper part can be paved on the surface of the evaporation plate 9, the subsequent uniform heating process is assisted, the crushing wheel 13 is suspended above the evaporation plate 9 in the paving process and is not contacted with the evaporation plate 9, after evaporation starts, the hydraulic rod 15 is started to enable the crushing wheel 13 to be attached to the surface of the evaporation plate 9, so that the potassium persulfate in the crystallization process can be crushed, and as the crushing wheel 13 can rotate, the potassium persulfate cannot be pushed to one side, and the vibration frequency is continuously changed, the potassium persulfate particles are uniformly paved after being dispersed, and the crystallization quality of the final potassium persulfate is ensured through the cooperation of the potassium persulfate particles.
As shown in fig. 1 to 3, the surface of the evaporation plate 9 is provided with a plurality of holes, the top surface of the evaporation plate 9 is provided with an isolation pad 12, a plurality of spray heads 7 are arranged above the isolation pad 12, and the top surface of the heating seat 11 is provided with a plurality of drainage grooves 10;
during operation, the isolation pad 12 can permeate liquid, but can not let potassium persulfate permeate, in order to guarantee to add in the evaporation tank 1 potassium persulfate humidity keep the same, prevent that evaporation rate is different when heating, after adding evaporation tank 1, in crushing wheel 13 pave the in-process, spray right amount of clear water through shower nozzle 7 to the top surface of evaporating plate 9, not only can wash potassium persulfate last time, get rid of impurity, can also guarantee simultaneously that potassium persulfate humidity is the same, downward permeable liquid can outwards flow out through the hole.
As shown in fig. 3 to 6, the vibration assembly comprises a plurality of support arms 18, the plurality of support arms 18 are annularly and equidistantly arranged below the evaporation plate 9, the support arms 18 are rotatably connected with the inner wall of the evaporation tank 1, torsion springs are fixedly connected between the support arms 18 and the evaporation tank 1, a vibration module 21 is fixedly connected on the surface of the support arms 18, and the vibration module 21 is attached to the bottom surface of the evaporation plate 9;
during operation, a plurality of support arms 18 are close to the evaporation plate 9 all the time at the bottom of evaporation plate 9, start through vibration module 21 just can drive evaporation plate 9 surface and carry out vibrations of same frequency, and then realized the effect that potassium persulfate changed various patterns, add a plurality of vibration module 21 annular equidistance and arrange, still keep symmetrical wave form after the sound ripple that forms overlaps each other, let the pattern that forms keep symmetrical, let potassium persulfate can evenly distributed, the torsional spring can guarantee that support arm 18 perk always, guarantee that vibration effect can normally transmit.
As shown in fig. 2 to 6, the driving assembly comprises a driving motor 17, a transmission disc 19 is fixedly connected to the top output end of the driving motor 17, the transmission disc 19 is slidably clamped on the top surface of the heating seat 11, and a spring telescopic rod 23 is connected between the evaporation plate 9 and the transmission disc 19;
during operation, the connecting seat 24 is driven to rotate through the driving motor 17, the spring telescopic rod 23 is driven to rotate, and finally the evaporation plate 9 is driven to rotate, and the vibration of the evaporation plate 9 can not influence the driving motor 17 because the connecting seat 24 is clamped in the heating seat 11.
As shown in fig. 2 to 6, the bottom of the heating seat 11 is fixedly connected with a supporting seat 20, the bottom of the spring telescopic rod 23 is fixedly connected with a connecting seat 24, the connecting seat 24 is slidably clamped on the top surface of the transmission disc 19, the top of the spring telescopic rod 23 is fixedly connected with the bottom of the supporting seat 20, two symmetrically arranged transmission strips 22 are fixedly connected between the bottom surface of the supporting seat 20 and the transmission disc 19, and the transmission strips 22 are made of elastic materials;
during operation, the evaporating plate 9 is always in a vibration state, so that the rotation transmission effect of the bottom is ensured to be stable, the rotation of the transmission disc 19 is transmitted to the supporting seat 20 through the two elastic transmission bars 22, the supporting seat 20 drives the evaporating plate 9 to normally rotate, the spring telescopic rod 23 does not participate in rotation in the transmission process, but vibration generated by the evaporating plate 9 can be absorbed by the spring telescopic rod, the transmission disc 19 and the driving motor 17 at the bottom cannot be influenced, the transmission bars 22 have certain toughness and can be properly deformed, the transmission can be effectively carried out, and the spring telescopic rod 23 cannot be excessively deformed to cause the spring telescopic rod to be wound on the surface of the spring telescopic rod 23.
As shown in fig. 1 to 2, the top surface of the top cover 3 is fixedly connected with a water storage tank 4, the tops of the spray heads 7 are fixedly connected with split pipes 6, the tops of the split pipes 6 are fixedly connected with the inner side of the water storage tank 4, and when the spray head is in operation, cleaning water is transferred to the split pipes 6 through the water storage tank 4 and then transferred to the spray heads 7 which are divided into two rows, so that the continuous and uniform spraying effect of the spray heads 7 is ensured.
As shown in fig. 2 to 5, the two sides of the movable seat 14 are fixedly connected with absorption covers 8, the bottoms of the absorption covers 8 are arranged in an opening manner, the top of the top cover 3 is fixedly connected with a negative pressure pump 5, and hoses 16 are connected between the negative pressure pump 5 and the two absorption covers 8;
when the crystallization finished product manufacturing is finished, the negative pressure pump 5 is started, the pipeline is connected to the outlet end of the negative pressure pump 5, the negative pressure of the negative pressure pump 5 is transmitted to the absorption cover 8 through the hose 16, the absorption cover 8 can absorb all potassium persulfate crystals on the surface of the evaporation plate 9 into the potassium persulfate crystals along with the horizontal movement of the movable seat 14 and the rotation of the heating seat 11, and therefore the finished product can be completely taken out without opening the evaporation tank 1, and the edge of the isolation pad 12 is clamped with the evaporation plate 9 and cannot be separated due to the negative pressure.
As shown in fig. 4, the surface laminating of crushing wheel 13 and isolated pad 12, the surface rigid coupling of crushing wheel 13 has a plurality of elastic bulge that are used for the extrusion, crushing wheel 13 wholly is high temperature resistant solid material, and during operation, the surface bulge of crushing wheel 13, the potassium persulfate of crushing caking that can be better rolls, helps smashing the caking.
As shown in fig. 7, a potassium persulfate evaporative crystallization process is suitable for use in a potassium persulfate evaporative crystallization apparatus as described in any one of the above, and specifically comprises:
s1: pouring wet potassium persulfate on the evaporation plate 9, driving the evaporation plate 9 to rotate through the driving motor 17 in the adding process, and driving the movable seat 14 to horizontally move through starting the screw nut mechanism 2 while rotating;
s2: at this time, the evaporation plate 9 is in a rotating state, so that the crushing wheel 13 can do spiral motion on the surface of the evaporation plate 9, and can squeeze each inch of the surface of the evaporation plate 9, so that potassium persulfate poured from above can be paved on the surface of the evaporation plate 9 to assist in the subsequent uniform heating process;
s3: the vibration component is started to drive the evaporation plate 9 to vibrate, the vibration component can vibrate at different frequencies, after the evaporation plate works normally for a period of time at the same frequency, potassium persulfate on the surface of the evaporation plate 9 can form a specific pattern under the action of vibration, and after the frequency is switched, the formed pattern can be changed;
s4: after the crystallization finished product is manufactured, the negative pressure pump 5 is started, a pipeline is connected to the outlet end of the negative pressure pump 5, the negative pressure of the negative pressure pump 5 is transmitted to the absorption cover 8 through the hose 16, and the absorption cover 8 can absorb all potassium persulfate crystals on the surface of the evaporation plate 9 into the absorption cover along with the horizontal movement of the movable seat 14 and the rotation of the heating seat 11, so that the finished product can be completely taken out without opening the evaporation tank 1.
During operation, through the setting of evaporation plate 9, open the charging cover on top cap 3, pour moist potassium persulfate on evaporation plate 9, in the joining process, can start driving assembly, let evaporation plate 9 rotate, like this fixed point pour potassium persulfate among them into can be comparatively even spread above evaporation plate 9, after the charging, start heating seat 11 to heat up evaporation tank 1 inside, collect the air exhausted through the blast pipe, it is noted that, the steam that produces in the evaporation process of potassium persulfate needs to be retrieved, can not direct discharge, in the heating process, start the vibrations subassembly and drive evaporation plate 9 and shake, the vibrations subassembly can carry out vibrations of different frequencies, after normal operation for a period of time under same frequency, under the effect of vibrations, specific pattern can be formed again under the effect of vibrations, after the switching frequency, through this kind of method, only need control vibration frequency of vibration subassembly law, can let potassium persulfate constantly carry out the removal, simultaneously because the existence of vibrations, the potassium persulfate granule can be light can move at evaporation plate 9 and shake, and the uniformly distributed on the surface of evaporation plate 9 is evenly distributed because of the crystallization is realized, the problem of the contact is solved, the stirring is evenly distributed in the evaporation cluster is realized, the stirring is also because the stirring is evenly distributed in the evaporation cluster is contacted with the stirring process is realized;
in the feeding process, the screw nut mechanism 2 is started to drive the movable seat 14 to horizontally move, meanwhile, as the evaporation plate 9 is in a rotating state, the crushing wheel 13 can do spiral motion on the surface of the evaporation plate 9, each inch of surface of the evaporation plate 9 can be extruded, potassium persulfate poured from the upper part can be paved on the surface of the evaporation plate 9 to assist in the subsequent uniform heating process, the crushing wheel 13 is suspended above the evaporation plate 9 and is not contacted with the evaporation plate 9 in the paving process, after evaporation starts, the hydraulic rod 15 is started to enable the crushing wheel 13 to be attached to the surface of the evaporation plate 9, so that the potassium persulfate in the crystallization process can be crushed and crushed, and as the crushing wheel 13 can rotate, the potassium persulfate cannot be pushed to one side, and the vibration frequency is continuously changed, the potassium persulfate particles are uniformly paved after being dispersed, and the crystallization quality of the final potassium persulfate is ensured through the cooperation of the potassium persulfate particles;
the isolating pad 12 can penetrate liquid, but can not penetrate potassium persulfate, in order to ensure that the humidity of the potassium persulfate in the evaporation tank 1 is kept the same and the evaporation rate is prevented from being different during heating, after the evaporation tank 1 is added, a proper amount of clear water is sprayed to the top surface of the evaporation plate 9 through the spray head 7 in the paving process of the crushing wheel 13, so that the potassium persulfate can be washed for the last time to remove impurities, and meanwhile, the same humidity of the potassium persulfate can be ensured, and the downward-penetrated liquid can flow outwards through the holes;
the supporting arms 18 are always close to the evaporation plate 9 at the bottom of the evaporation plate 9, the surface of the evaporation plate 9 can be driven to vibrate at the same frequency through the starting of the vibration modules 21, so that the effect of changing various patterns of potassium persulfate is achieved, the plurality of vibration modules 21 are annularly and equidistantly arranged, the formed sound waves are overlapped with each other and still keep symmetrical waveforms, the formed patterns are kept symmetrical, the potassium persulfate can be uniformly distributed, the torsional springs can ensure that the supporting arms 18 are always tilted upwards, and the vibration effect can be normally transmitted;
the connecting seat 24 is driven to rotate by the driving motor 17, the spring telescopic rod 23 is driven to rotate, and finally the evaporation plate 9 is driven to rotate, and the vibration of the evaporation plate 9 can not influence the driving motor 17 because the connecting seat 24 is clamped in the heating seat 11;
because the evaporation plate 9 is always in a vibration state, in order to ensure that the rotation transmission effect of the bottom is stably carried out, the rotation of the transmission disc 19 is transmitted to the supporting seat 20 through the two elastic transmission bars 22, the supporting seat 20 drives the evaporation plate 9 to normally rotate, the spring telescopic rod 23 does not participate in rotation in the transmission process, but vibration generated by the evaporation plate 9 can be absorbed by the spring telescopic rod, the transmission disc 19 and the driving motor 17 at the bottom cannot be influenced, the transmission bars 22 have certain toughness and can be properly deformed, the transmission can be effectively carried out, and the spring telescopic rod 23 cannot be wound by the spring telescopic rod due to excessive deformation;
after the finished product of crystallization is finished, start negative pressure pump 5 to connecting the pipeline at the exit end of negative pressure pump 5, the negative pressure of negative pressure pump 5 passes through hose 16 and transmits to absorption cover 8, along with the horizontal migration of movable seat 14 plus the rotation of heating seat 11, absorption cover 8 just can inhale wherein with the potassium persulfate crystallization on evaporation board 9 surface totally, thereby need not to open evaporation tank 1 and just can take out the finished product totally, insulating pad 12 edge and evaporation board 9 joint can not break away from because of the negative pressure.
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 equivalents thereof.
Claims (4)
1. The utility model provides a potassium persulfate evaporation crystallization device which characterized in that: the novel evaporator comprises an evaporation tank (1), wherein an evaporation plate (9) is arranged in the middle of the inner side of the evaporation tank (1), a heating seat (11) is fixedly connected to the inner side of the evaporation tank (1) close to the bottom, a top cover (3) is fixedly connected to the top of the evaporation tank (1), a charging cover and an exhaust pipe are connected to the top surface of the top cover (3), a driving assembly is arranged at the bottom of the evaporation plate (9) and used for driving the evaporation plate (9) to rotate, and a vibration assembly is further arranged at the bottom of the evaporation plate (9) and used for driving the evaporation plate (9) to vibrate at different frequencies;
the evaporation device is characterized in that a screw nut mechanism (2) is connected to the outer side of the evaporation tank (1) near the top, a screw rod of the screw nut mechanism (2) penetrates through two sides of the evaporation tank (1), a movable seat (14) is fixedly connected to the movable end of the screw nut mechanism (2), a hydraulic rod (15) is fixedly connected to the bottom of the movable seat (14), and a crushing wheel (13) is connected to the bottom of the hydraulic rod (15);
the surface of the evaporation plate (9) is provided with a plurality of holes, the top surface of the evaporation plate (9) is provided with an isolation pad (12), a plurality of spray heads (7) are arranged above the isolation pad (12), and the top surface of the heating seat (11) is provided with a plurality of drainage grooves (10);
the vibration assembly comprises a plurality of support arms (18), the plurality of support arms (18) are annularly and equidistantly arranged below the evaporation plate (9), the support arms (18) are rotationally connected with the inner wall of the evaporation tank (1), torsion springs are fixedly connected between the support arms (18) and the evaporation tank (1), a vibration module (21) is fixedly connected on the surface of the support arms (18), and the vibration module (21) is attached to the bottom surface of the evaporation plate (9);
the driving assembly comprises a driving motor (17), a transmission disc (19) is fixedly connected to the top output end of the driving motor (17), the transmission disc (19) is slidably clamped on the top surface of the heating seat (11), and a spring telescopic rod (23) is connected between the evaporation plate (9) and the transmission disc (19);
the top surface of the top cover (3) is fixedly connected with a water storage tank (4), the tops of the spray heads (7) are fixedly connected with shunt pipes (6), and the tops of the shunt pipes (6) are fixedly connected with the inner side of the water storage tank (4);
the utility model discloses a vacuum pump, including movable seat (14), absorption cover (8) are all fixedly connected with to both sides of movable seat (14), the bottom of absorption cover (8) is the opening setting, the top rigid coupling of top cap (3) has negative pressure pump (5), all be connected with hose (16) between negative pressure pump (5) and two absorption covers (8).
2. The potassium persulfate evaporative crystallization device according to claim 1, wherein: the bottom rigid coupling of heating seat (11) has supporting seat (20), the bottom rigid coupling of spring telescopic link (23) has connecting seat (24), connecting seat (24) slip joint is on driving disk (19) top surface, the top of spring telescopic link (23) and supporting seat (20) bottom rigid coupling, the rigid coupling has two transmission strips (22) that the symmetry set up between the bottom surface of supporting seat (20) and driving disk (19), transmission strip (22) are elastic material.
3. The potassium persulfate evaporative crystallization device according to claim 2, wherein: the crushing wheel (13) is attached to the surface of the isolation pad (12), a plurality of elastic bulges for extrusion are fixedly connected to the outer surface of the crushing wheel (13), and the whole crushing wheel (13) is made of high-temperature-resistant solid materials.
4. A potassium persulfate evaporative crystallization process is characterized in that: the process is applicable to the potassium persulfate evaporation crystallization device as defined in any one of claims 1 to 3, and specifically comprises the following steps:
s1: pouring wet potassium persulfate on the evaporation plate (9), driving the evaporation plate (9) to rotate through a driving motor (17) in the adding process, and driving the movable seat (14) to horizontally move through starting the screw nut mechanism (2) while rotating;
s2: at the moment, the evaporation plate (9) is in a rotating state, so that the crushing wheel (13) can do spiral motion on the surface of the evaporation plate (9), each inch of the surface of the evaporation plate (9) can be extruded, and potassium persulfate poured from above can be paved on the surface of the evaporation plate (9) to assist in the subsequent uniform heating process;
s3: the vibration component is started to drive the evaporation plate (9) to vibrate, the vibration component can vibrate at different frequencies, after the evaporation plate works normally for a period of time at the same frequency, potassium persulfate on the surface of the evaporation plate (9) can form a specific pattern under the action of vibration, and after the frequency is switched, the formed pattern can be changed, so that the potassium persulfate can continuously move only by controlling the regular switching vibration frequency of the vibration component;
s4: after the finished product of crystallization is finished, start negative pressure pump (5) to connecting the pipeline at the exit end of negative pressure pump (5), the negative pressure of negative pressure pump (5) passes through hose (16) and transmits to absorption cover (8), along with the horizontal migration of movable seat (14) plus the rotation of heating seat (11), absorption cover (8) just can inhale wherein with the potassium persulfate crystallization on evaporating plate (9) surface to need not to open evaporation tank (1) and just can take out the finished product totally.
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