CN118477351A - Stannous octoate purification system and stannous octoate purification method - Google Patents
Stannous octoate purification system and stannous octoate purification method Download PDFInfo
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- CN118477351A CN118477351A CN202410931607.5A CN202410931607A CN118477351A CN 118477351 A CN118477351 A CN 118477351A CN 202410931607 A CN202410931607 A CN 202410931607A CN 118477351 A CN118477351 A CN 118477351A
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0457—Juxtaposition of mixers-settlers comprising rotating mechanisms, e.g. mixers, mixing pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
- B01D36/006—Purge means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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- Chemical Kinetics & Catalysis (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Extraction Or Liquid Replacement (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a stannous octoate purification system and a stannous octoate purification method, the stannous octoate purification system comprises a precipitation separation tank and a washing tank, wherein the precipitation separation tank is obliquely and rotatably arranged at the top end of a supporting base, one end of the precipitation separation tank is provided with a feed inlet, the other end of the precipitation separation tank is rotatably connected with a discharge outlet, the horizontal height of one side of the discharge outlet is smaller than that of one side of the feed inlet, a filter is fixed on the discharge outlet, a filtrate discharge outlet is connected on the filter, a flushing liquid discharge outlet is also connected on the discharge outlet, the discharge outlet and the filter are fixed with the supporting base through a first supporting frame, a filter element is arranged in the filter, and a filter element replacement opening is arranged. According to the invention, tetravalent tin compound impurities can be removed through the precipitation separation tank, and stannous chloride impurities are removed after washing for a plurality of times, so that purification is finished, the purity of the product can be effectively improved, and the quality of the product is improved.
Description
Technical Field
The invention relates to the technical field of stannous octoate purification, in particular to a stannous octoate purification system and a stannous octoate purification method.
Background
Many organometallic compounds, such as alkyl compounds and carboxylates of lead, tin, titanium, antimony, mercury, zinc, bismuth, zirconium, aluminum, and the like, are catalytically active for the isocyanate-hydroxyl reaction. However, tin organic compounds, especially stannous octoate, are important in the production of polyurethane foam, and the application range is wide, so that the tin organic compounds can be used for polyurethane foam, adhesives, elastomers and the like.
In the polyurethane field, stannous octoate is mainly used as a polyurethane catalyst, is mainly used in the production of soft block polyether polyurethane foam plastic, and can also be used as a catalyst of polyurethane coating, elastomer, room temperature curing silicone rubber and the like.
Since the chemical valence state of the key element tin in the product stannous octoate is bivalent, and belongs to the unstable intermediate valence state of tin, in the actual production process, the stannous octoate is extremely easy to generate oxidation reaction to generate stannous octoate possibly due to the existence of oxidizing agents (air, chlorine, sulfuric acid and the like), wherein the bivalent tin is oxidized to the tetravalent metal valence state, and although tetravalent tin compounds can be used as anti-aging agents, the foaming activity of the stannous octoate is greatly reduced by the substances, and the content of the stannous octoate is obviously reduced. In addition, in the production process of the product, due to the difference of chemical processes, in the process of synthesizing stannous octoate by taking stannous chloride as a raw material, unreacted metal simple substances also exist in the raw material stannous chloride, so that the content of the product is low. Meanwhile, the high-content stannous octoate has an important influence on the service life, environment friendliness and safety of the product.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention provides a stannous octoate purification system and a purification method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a stannous octoate purification system, includes precipitation separation jar and washing jar, precipitation separation jar slope rotates to be installed on the top of supporting the base, and precipitation separation jar's one end is equipped with the feed inlet, and precipitation separation jar's the other end rotates to be connected with the discharge gate, and discharge gate one side level is less than feed inlet one side level, and is fixed with the filter on the discharge gate, is connected with the filtrate discharge port on the filter, still is connected with the flushing fluid discharge port on the discharge gate.
Preferably, the filter is fixed with the support base through the first support frame, the filter internally mounted has the filter core, and is equipped with the filter core and changes the mouth.
Preferably, the external part of precipitation separation jar is fixed with the awl ring, and the top of supporting base is fixed with first rotating electrical machines through the second support frame, and the output of first rotating electrical machines is fixed with first bevel gear, and first bevel gear meshes with the awl ring.
Preferably, a plurality of circular stirring plates are distributed in the precipitation separation tank at equal intervals, a plurality of leakage holes are formed in the circular stirring plates, the circular stirring plates are rotatably arranged in the precipitation separation tank, and one side rotating shaft of each circular stirring plate extends to the outside of the precipitation separation tank and is fixedly provided with a spur gear.
Preferably, the top end of the supporting base is fixedly provided with a connecting cross rod through a third supporting frame, a plurality of straight toothed rings are fixedly arranged on the connecting cross rod, and the plurality of straight toothed rings are meshed with the plurality of straight gears in a one-to-one correspondence manner.
Preferably, the circular stirring disc is provided with a first rotating shaft, two ends of the first rotating shaft extend to two sides of the circular stirring disc respectively, one end, close to the feed inlet, of the first rotating shaft is fixed with a scraping plate, the other end of the first rotating shaft is fixed with a second bevel gear, the second bevel gear is located in the protective cover, the protective cover is rotatably provided with a second rotating shaft, one end of the second rotating shaft is fixed with a third bevel gear, and the third bevel gear is meshed with the second bevel gear.
Preferably, the other end of the second rotating shaft is fixed with a first arc plate, the outer wall of the precipitation separation tank is fixed with a second rotating motor, the output end of the second rotating motor is connected with a driving shaft, the driving shaft extends to the inside of the precipitation separation tank and is respectively fixed with a second arc plate and a third arc plate, and the first arc plate extends between the second arc plate and the third arc plate.
Preferably, the top of the washing tank is provided with a material adding port and a water inlet respectively, the bottom of the washing tank is provided with a discharge port, the washing tank further comprises a circulating pump, a liquid inlet pipe of the circulating pump is communicated with the discharge port, a liquid outlet pipe of the circulating pump is communicated with the water inlet, and a water adding branch pipe is further arranged on the liquid outlet pipe.
Preferably, a heat preservation interlayer is arranged on the washing tank, a heat medium inlet pipe is arranged on one side of the washing tank, a heat medium outlet pipe is arranged on the other side of the washing tank, and the heat medium inlet pipe and the heat medium outlet pipe are communicated with the heat preservation interlayer.
Preferably, a guide baffle is fixed in the heat preservation interlayer, and extends in a spiral shape.
Preferably, the stirrer is rotatably arranged on the inner wall of the top end of the washing tank, a plurality of stirring branches are fixed on the stirrer, and the stirrer is driven to rotate by a third rotary motor arranged at the top end of the washing tank.
Preferably, the inside of washing jar is close to top position and installs annular mounting bracket, and fixed mounting has the annular pipe on the annular mounting bracket, and annular breach has been seted up to the inboard of annular pipe, and the annular pipe is inside to be equipped with the fender ring that corresponds with annular breach, and the inboard of fender ring is fixed with many horizontal drainage tubes, and the one end that the horizontal drainage tube is close to the agitator passes annular breach and is fixed with the agitator, and annular pipe and water inlet intercommunication.
Preferably, a vertical drainage tube is arranged at the bottom end of the horizontal drainage tube, a plurality of drainage branches are fixed on the vertical drainage tube, and a plurality of liquid draining holes are formed in the drainage branches.
A method for purifying stannous octoate, comprising the steps of:
S1: adding stannous octoate containing impurities into the precipitation separation tank through a feed inlet, adding a tetravalent tin flocculant, starting a second rotating motor to drive the precipitation separation tank to integrally rotate, and accelerating the dispersion of the flocculant;
s2: after flocculation is fully completed, discharging the materials from a discharge port, filtering solids by a filter, discharging liquid from a filtrate discharge port, and conveying the liquid into a washing tank;
S3: the material is added into the water washing tank through the material adding port, pure water is added into the water washing tank through the water adding branch pipe, the mixed liquid is pumped out of the discharging port through the circulating pump, and is injected back into the water washing tank from the water inlet and is stirred through the stirrer;
s4: after repeated cyclic cleaning, standing for a period of time, discharging the stannous octoate at the lower layer after complete layering, and then discharging the aqueous solution at the upper layer to finish one-time water washing, and finishing purification after three to four water washing.
Compared with the prior art, the invention has the beneficial effects that:
1. Adding stannous octoate containing impurities into a precipitation separation tank through a feed inlet, adding a tetravalent tin flocculant, discharging a material from a discharge port after flocculation is fully completed, filtering solids by a filter, discharging liquid from a filtrate discharge port, and conveying the liquid into a washing tank, wherein the precipitation separation tank is obliquely arranged, the materials can be discharged through the action of gravity, the tetravalent tin compound impurities can be removed through the precipitation separation tank, and stannous chloride impurities are removed after washing for a plurality of times, so that the purification is completed, the purity of a product can be effectively improved, and the quality of the product is improved;
2. The solid flocculated by the flocculant is filtered by the filter, the filter element can be removed periodically and cleaned and replaced, thus ensuring that the filtering effect is not reduced, and the discharge port and the filter are integrally connected with the precipitation separation tank in a rotating way, the discharge port and the filter of the precipitation separation tank cannot rotate along with each other in the rotating process, so that the connection between the filtrate discharge port and the flushing fluid discharge port and the pipeline cannot be influenced in the rotating process of the precipitation separation tank;
3. The first rotary motor can drive the first bevel gear to rotate, so that the first bevel gear is meshed with the bevel gear ring to drive the precipitation separation tank to integrally rotate, and the mixed solution is driven to shake and mix in the precipitation separation tank under the action of gravity, so that the mixing speed between the flocculant and the solution is accelerated, and the flocculation efficiency is improved;
4. in the process of rotation of the precipitation separation tank, as the straight toothed ring is fixed relative to the supporting base, the straight gear can continuously walk along the straight toothed ring in the process of rotating the inside of the straight toothed ring, so that the round stirring disc is driven to continuously overturn in the precipitation separation tank, the stirring effect can be achieved, the mixing rate of the flocculant and the solution is further improved, flocculation is accelerated, and a power device is not required to be additionally arranged, so that the precipitation separation tank is more energy-saving and environment-friendly;
5. After flocculation is completed, when the liquid is discharged, the circular stirring disc can be adjusted to be in a state (a state in fig. 4) perpendicular to the flowing direction of the liquid, most of solid impurities are filtered by the circular stirring disc and remain on one side of the circular stirring disc, which is close to the feed inlet, so that the circular stirring disc can perform prefiltering on materials while playing a stirring function, the filtering pressure of a filter is reduced, and the phenomenon that the filtering efficiency is reduced due to the accumulation of the solid impurities at the position of the filter is prevented;
6. the second rotary machine is started to drive the scraping plate to actively clean the surface of the circular stirring disc, and the rotation of the circular stirring disc is not influenced;
7. by introducing a heating medium into the heat preservation interlayer, the materials are preserved, so that the solubility of the impurity stannous chloride in water is improved, and the stannous chloride can be extracted and separated more efficiently;
8. The liquid flowing into the washing tank through the water inlet enters into the annular pipe firstly, then enters into each horizontal drainage pipe in the dispersing mode, then enters into the drainage branch in the dispersing mode through the vertical drainage pipe, and is discharged from the liquid discharge hole in the redispersing mode, so that the liquid dispersion degree can be greatly improved, the washing process is accelerated, and the horizontal drainage pipe and the stirrer are fixed, so that the horizontal drainage pipe, the baffle ring, the vertical drainage pipe and the drainage branch can rotate along with the stirrer, the auxiliary stirring effect can be achieved, the stirring effect is improved, the position of the liquid discharge hole can be continuously changed, and the liquid dispersion degree can be further improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a precipitation separation tank of the present invention;
FIG. 2 is a perspective view of a precipitation separation tank of the present invention;
FIG. 3 is a perspective cross-sectional view of a precipitation separation tank of the present invention;
FIG. 4 is an enlarged detail view of a first view of the circular agitator disk location in the settling tank of the present invention;
FIG. 5 is an enlarged detail view of a second view of the circular agitator disk location in the settling tank of the present invention;
FIG. 6 is an exploded view of a first view of the interface between a drive shaft and a second shaft according to the present invention;
FIG. 7 is a second perspective exploded view of the present invention showing the interface between the drive shaft and the second shaft;
FIG. 8 is a perspective view of a wash tank of the present invention;
FIG. 9 is a perspective cross-sectional view of a wash tank of the invention;
FIG. 10 is a perspective cross-sectional view of the wash tank of the invention (with the baffle omitted);
FIG. 11 is an enlarged detail view of the position A of FIG. 10;
FIG. 12 is an enlarged detail view of the position of the annular tube of the present invention;
In the figure: a precipitation separation tank, a 101 discharge port, a 102 filter, a 103 flushing liquid discharge port, a 104 filtrate discharge port, a 105 feed port, a 106 conical toothed ring, a2 support base, a 201 second support frame, a 202 first support frame, a 203 third support frame, a 204 connection cross rod, a 205 straight toothed ring, a 3 first rotating motor, a 301 first bevel gear, a 4 round stirring disc, a 401 leak hole, a 402 spur gear, a 403 first rotating shaft, a 404 second bevel gear, a 405 scraper blade, a 406 second rotating shaft, a 407 third bevel gear, a 408 first circular arc plate, a 5 second rotating motor, a 501 drive shaft, a 502 second circular arc plate, a 503 third circular arc plate, a 6 water washing tank, a 601 water inlet, a 602 material adding port, a 603 discharge port, a 604 heat preservation interlayer, a 605 heat medium inlet pipe, a 606 heat medium discharge pipe, a 607 flow guide partition plate, a 7 stirrer, a 701 third rotating motor, a 702 stirring branch, an 8 circulating pump, a 801 liquid inlet pipe, a 802 liquid outlet pipe, a 803 water adding branch pipe, a 9 annular mounting frame, an annular pipe, 902 annular notch, a 903 baffle ring, a 904, a horizontal drainage pipe, a 905 drainage pipe, a vertical drainage pipe, a drain pipe, a 905 drainage pipe and a drain pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-12, a stannous octoate purification system comprises a precipitation separation tank 1 and a washing tank 6, wherein the precipitation separation tank 1 is obliquely and rotatably arranged at the top end of a supporting base 2, one end of the precipitation separation tank 1 is provided with a feed inlet 105, the other end of the precipitation separation tank 1 is rotatably connected with a discharge outlet 101, the horizontal height of one side of the discharge outlet 101 is smaller than that of one side of the feed inlet 105, a filter 102 is fixed on the discharge outlet 101, a filtrate discharge outlet 104 is connected on the filter 102, and a flushing liquid discharge outlet 103 is also connected on the discharge outlet 101;
Stannous octoate containing impurities is added into the precipitation separation tank 1 through a feed inlet 105, and is added with a tetravalent tin flocculating agent, after flocculation is fully completed, materials are discharged from a discharge outlet 101, solids are filtered by a filter 102, liquid is discharged from a filtrate discharge outlet 104 and is conveyed into a washing tank 6, as the precipitation separation tank 1 is obliquely arranged, the materials can be discharged through the action of gravity, tetravalent tin compound impurities can be removed through the precipitation separation tank 1, and stannous chloride impurities are removed after washing for a plurality of times, so that purification is completed, the purity of products can be effectively improved, and the quality of the products is improved.
The filter 102 is fixed with the support base 2 through a first support frame 202, a filter element is arranged in the filter 102, and a filter element replacement port is arranged;
the solid after flocculation through the flocculant is filtered down through the filter 102, and the filter element can be regularly removed and cleaned and replaced, so that the filtering effect is not reduced, and the discharge port 101 and the filter 102 are integrally connected with the precipitation separation tank 1 in a rotating manner, so that the discharge port 101 and the filter 102 are not rotated in a rotating manner, and the connection between the filtrate discharge port 104 and the flushing fluid discharge port 103 and the pipeline is not influenced in the rotating manner of the precipitation separation tank 1.
Example 2
Referring to fig. 1 to 12, the present embodiment is different from embodiment 1 in that a conical ring 106 is fixed to the outside of the precipitation separation tank 1, a first rotary electric machine 3 is fixed to the top end of the support base 2 through a second support frame 201, a first bevel gear 301 is fixed to the output end of the first rotary electric machine 3, and the first bevel gear 301 is engaged with the conical ring 106;
Can drive first bevel gear 301 through first rotating electrical machines 3 and rotate to drive precipitation separation jar 1 whole rotation through first bevel gear 301 and the meshing of awl ring 106, thereby drive the mixed liquid through the effect of gravity and rock the mixture in precipitation separation jar 1, thereby accelerate the mixing speed between flocculant and the solution, improve flocculation efficiency.
Example 3
Referring to fig. 1-12, the difference between the present embodiment and embodiment 2 is that a plurality of circular stirring discs 4 are equidistantly distributed in the precipitation separation tank 1, a plurality of holes 401 are formed in the circular stirring discs 4, the circular stirring discs 4 are rotatably installed in the precipitation separation tank 1, a rotating shaft on one side of each circular stirring disc 4 extends to the outside of the precipitation separation tank 1 and is fixed with a spur gear 402, a connecting cross rod 204 is fixed at the top end of the supporting base 2 through a third supporting frame 203, a plurality of spur toothed rings 205 are fixed on the connecting cross rod 204, and the plurality of spur toothed rings 205 are meshed with the plurality of spur gears 402 in a one-to-one correspondence manner;
In the process of autorotation of the precipitation separation tank 1, as the straight toothed ring 205 is fixed relative to the support base 2, the straight gear 402 can continuously walk along the straight toothed ring 205 in the process of rotating the precipitation separation tank 1 in the straight toothed ring 205, so that the circular stirring disc 4 is driven to continuously overturn in the precipitation separation tank 1, the stirring effect can be achieved, the mixing rate of the flocculant and the solution is further improved, flocculation is accelerated, and a power device is not required to be additionally arranged, so that the precipitation separation tank is more energy-saving and environment-friendly;
And after flocculation is completed, when the liquid is discharged, the circular stirring disk 4 can be adjusted to be in a state (in a state in fig. 4) perpendicular to the flowing direction of the liquid, most of solid impurities can be filtered by the circular stirring disk 4 and remain on one side of the circular stirring disk 4 close to the feed inlet 105 at the moment, and the circular stirring disk 4 can also pre-filter materials while playing a stirring function, so that the filtering pressure of the filter 102 is reduced, and the phenomenon that the filtering efficiency is reduced due to the accumulation of the solid impurities at the position of the filter 102 is prevented.
When the inside of the precipitation separation tank 1 is required to be washed, and solid impurities are discharged, the circular stirring disk 4 is adjusted to be parallel to the flowing direction of liquid, and the inside of the precipitation separation tank 1 and the circular stirring disk 4 are washed by the cleaning liquid, so that the solid impurities can be taken away and discharged through the flushing liquid discharge port 103.
Example 4
Referring to fig. 1 to 12, the difference between this embodiment and embodiment 3 is that a first rotating shaft 403 is installed on the circular stirring disk 4, two ends of the first rotating shaft 403 extend to two sides of the circular stirring disk 4 respectively, one end of the first rotating shaft 403 close to the feed port 105 is fixed with a scraper 405, the other end of the first rotating shaft 403 is fixed with a second bevel gear 404, the second bevel gear 404 is located in a protective cover, a second rotating shaft 406 is installed on the protective cover in a rotating manner, one end of the second rotating shaft 406 is fixed with a third bevel gear 407, the third bevel gear 407 is meshed with the second bevel gear 404, the other end of the second rotating shaft 406 is fixed with a first arc plate 408, a second rotating motor 5 is fixed on the outer wall of the precipitation separation tank 1, the output end of the second rotating motor 5 is connected with a driving shaft 501, the driving shaft 501 extends to the inside of the precipitation separation tank 1 and is fixed with a second arc plate 502 and a third arc plate 503 respectively, and the first arc plate 408 extends between the second arc plate 502 and the third arc plate 503;
The second rotating motor 5 can drive the second arc plate 502 and the third arc plate 503 to rotate, when the second arc plate 502 and the third arc plate 503 rotate to a certain state, the arc center points of the second arc plate 502 and the third arc plate 503 are overlapped with the installation rotating shaft of the circular stirring disc 4, at the moment, the arc center point of the first arc plate 408 is overlapped with the installation rotating shaft of the circular stirring disc 4, when the first arc plate 408 integrally rotates along with the circular stirring disc 4 in the state, the first arc plate 408 passes through the second arc plate 502 and the third arc plate 503, so that interference among the three can be avoided, a certain damping exists between the first rotating shaft 403 and the circular stirring disc 4, the first rotating shaft 403 can not rotate due to the functions of fluid pressure and inertia in the rotating process of the circular stirring disc 4, and the first arc plate 408 can not deflect randomly;
When the solid impurities on the surface of the circular stirring disc 4 need to be cleaned actively, the circular stirring disc 4 is firstly kept in the state shown in fig. 4, at the moment, the first arc plate 408 is guaranteed to be just clamped between the second arc plate 502 and the third arc plate 503, at the moment, the second rotating motor 5 is started to drive the second arc plate 502 and the third arc plate 503 to rotate, the second arc plate 502 and the third arc plate 503 can clamp the first arc plate 408 to rotate, then the second rotating shaft 406 is driven to rotate, the scraping plate 405 can be driven to actively clean the surface of the circular stirring disc 4 through the meshing of the third bevel gear 407 and the second bevel gear 404, the second arc plate 502, the third arc plate 503 and the first arc plate 408 need to be guaranteed to be stopped in the state that the center points of the arcs coincide with the rotating shaft of the circular stirring disc 4 after cleaning is completed, and therefore the rotation of the circular stirring disc 4 is guaranteed not to be influenced, the effect of actively cleaning the circular stirring disc 4 is achieved, and the rotation of the circular stirring disc 4 is not influenced.
Example 5
Referring to fig. 1-12, the difference between this embodiment and embodiment 1 is that the top end of the water tank 6 is provided with a material adding port 602 and a water inlet 601, the bottom end of the water tank 6 is provided with a discharge port 603, the water tank 6 further comprises a circulation pump 8, a liquid inlet pipe 801 of the circulation pump 8 is communicated with the discharge port 603, a liquid outlet pipe 802 of the circulation pump 8 is communicated with the water inlet 601, and a water adding branch pipe 803 is further provided on the liquid outlet pipe 802;
the material after once purification is added into the washing tank 6 through the material adding port 602, pure water is added into the washing tank 6 through the water adding branch pipe 803, mixed liquid is pumped out of the discharge port 603 through the circulating pump 8, and is injected into the washing tank 6 from the water inlet 601, so that the mixed material can be circularly washed, and the washing efficiency is improved.
Wherein, a heat preservation interlayer 604 is arranged on the water washing tank 6, a heat medium inlet pipe 605 is arranged on one side of the water washing tank 6, a heat medium outlet pipe 606 is arranged on the other side of the water washing tank 6, and the heat medium inlet pipe 605 and the heat medium outlet pipe 606 are communicated with the heat preservation interlayer 604;
through introducing the heat medium into the heat preservation interlayer 604, the material is preserved, so that the solubility of the impurity stannous chloride in water is improved, and the stannous chloride can be extracted and separated more efficiently.
Wherein, the heat preservation interlayer 604 is internally fixed with a flow guide baffle 607, and the flow guide baffle 607 extends in a spiral shape;
the flow guide separator 607 can prolong the flowing distance of the heating medium in the heat insulation interlayer 604 and improve the residence time of the heating medium in the heat insulation interlayer 604, thereby improving the heat insulation effect.
Wherein, the inner wall of the top end of the water washing tank 6 is rotatably provided with a stirrer 7, a plurality of stirring branches 702 are fixed on the stirrer 7, and the stirrer 7 is driven to rotate by a third rotary motor 701 arranged at the top end of the water washing tank 6;
The stirrer 7 can be driven to stir the materials through the stirrer 7, so that stannous chloride is accelerated to be dissolved into water, and the extraction and separation efficiency of the stannous chloride is improved.
Wherein, the inside of washing jar 6 is close to top position and installs annular mounting bracket 9, fixed mounting has annular pipe 901 on the annular mounting bracket 9, annular breach 902 has been seted up to annular pipe 901's inboard, and annular pipe 901 inside is equipped with the baffle ring 903 that corresponds with annular breach 902, baffle ring 903's inboard is fixed with many horizontal drainage tube 904, horizontal drainage tube 904 is close to the one end of agitator 7 and passes annular breach 902 and be fixed with agitator 7, annular pipe 901 and water inlet 601 intercommunication, vertical drainage tube 905 is installed to horizontal drainage tube 904's bottom, be fixed with a plurality of drainage branches 906 on the vertical drainage tube 905, a plurality of leakage fluid holes 907 have been seted up on the drainage branch 906.
The liquid flowing into the inside of the washing tank 6 through the water inlet 601 firstly enters the annular pipe 901, then enters each horizontal drainage pipe 904 in a dispersing way, then enters the drainage branch 906 in a dispersing way through the vertical drainage pipe 905, and is discharged from the liquid discharge hole 907 in a redispersing way, so that the liquid dispersion degree can be greatly improved, the washing process is accelerated, and the horizontal drainage pipe 904, the baffle ring 903, the vertical drainage pipe 905 and the drainage branch 906 can rotate along with the stirrer 7 because the horizontal drainage pipe 904 and the stirrer 7 are fixed, so that the stirring assisting effect can be improved, the position of the liquid discharge hole 907 can be continuously changed, and the liquid dispersion degree can be further improved.
Example 6
A method for purifying stannous octoate, comprising the steps of:
s1: adding stannous octoate containing impurities into the precipitation separation tank 1 through a feed port 105, adding a tetravalent tin flocculant, starting a second rotating motor 5 to drive the precipitation separation tank 1 to integrally rotate, and accelerating the dispersion of the flocculant;
S2: after flocculation is fully completed, discharging the materials from a discharge hole 101, filtering solids by a filter 102, discharging liquid from a filtrate discharge hole 104, and conveying the liquid into a washing tank 6;
S3: the material is added into the water washing tank 6 through the material adding port 602, pure water is added into the water washing tank 6 through the water adding branch pipe 803, the mixed liquid is pumped out of the discharge port 603 through the circulating pump 8, and is injected into the water washing tank 6 from the water inlet 601 and is stirred through the stirrer 7;
s4: after repeated cyclic cleaning, standing for a period of time, discharging the stannous octoate at the lower layer after complete layering, and then discharging the aqueous solution at the upper layer to finish one-time water washing, and finishing purification after three to four water washing.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
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Denomination of invention: A purification system and method for stannous octoate Granted publication date: 20241213 Pledgee: Anhui Dongzhi Rural Commercial Bank Co.,Ltd. Pledgor: Anhui Hengguang polyurethane material Co.,Ltd. Registration number: Y2025980021508 |
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