CN214087749U - Thickening equipment suitable for manganese sulfate high temperature crystallization - Google Patents
Thickening equipment suitable for manganese sulfate high temperature crystallization Download PDFInfo
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- CN214087749U CN214087749U CN202120011316.6U CN202120011316U CN214087749U CN 214087749 U CN214087749 U CN 214087749U CN 202120011316 U CN202120011316 U CN 202120011316U CN 214087749 U CN214087749 U CN 214087749U
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Abstract
The utility model discloses thickening equipment suitable for manganese sulfate high-temperature crystallization, which belongs to the technical field of manganese sulfate production, and a tank body of the thickening equipment comprises a cylinder body, a cone and a stirring device, wherein an upper sealing head is arranged above the cylinder body, and a slurry inlet, a separated mother liquor outlet and/or a steam inlet are/is arranged on the upper sealing head; the cone is arranged below the cylinder body, and a slurry discharge port is arranged below the cone. The utility model provides a thickening equipment suitable for manganese sulfate high temperature crystallization, structural design is reasonable, with the help of the effect of manganese sulfate crystal self gravity, and the manganese sulfate magma after making the crystallization divide for the manganese sulfate mother liquor of the low concentration of clarification and the manganese sulfate precipitate two parts of high concentration, to the purpose of high-purity manganese sulfate crystal magma thickening, provides the assurance for high-purity manganese sulfate solid-liquid separation and whole technology continuous production. The utility model discloses not only clarification effect is good, and is corrosion-resistant, high temperature resistant moreover, has still effectively prevented manganese sulfate magma from returning to dissolving because of the temperature reduction.
Description
Technical Field
The utility model belongs to the technical field of manganese sulfate production, a splitter is related to, especially relate to a thickening equipment suitable for manganese sulfate high temperature crystallization.
Background
The existing manganese sulfate crystallization mainly comprises two methods: concentration crystallization and high-temperature crystallization, wherein the concentration crystallization is the most mature method, the process is mature, the equipment is mature, and the energy consumption is high. The high-temperature recrystallization method is used as a new technology for producing battery-grade manganese sulfate, various crystallization devices are still in a development stage, the currently commonly used mode is that manganese sulfate crystals are crystallized in a crystallization kettle, then the manganese sulfate crystals are subjected to solid-liquid separation in a filter, and then materials in the filter are transferred to a drying system for drying, so that the operation steps are more, the risk of product pollution is brought, the labor cost is increased, and energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thickening equipment suitable for manganese sulfate high temperature crystallization to solve the problem that above-mentioned prior art exists, this equipment accessible continuous thickening makes the manganese sulfate magma after the crystallization reach follow-up centrifugal requirement, provides the assurance for high-purity manganese sulfate solid-liquid separation and whole technology continuous production.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a thickening equipment suitable for manganese sulfate high temperature crystallization, which comprises a tank body, the jar body mainly includes:
the device comprises a cylinder body, wherein an upper end enclosure is arranged above the cylinder body, and a slurry inlet, a separated mother liquor outlet and/or a steam inlet are/is formed in the upper end enclosure;
the cone is arranged below the cylinder body to form a settling area; a slurry discharge port is arranged below the cone;
and the stirring device is arranged in the cone.
Optionally, the base of the cone has a cone angle of 60 °.
Optionally, the stirring device includes a stirring shaft, a stirrer mounted on the stirring shaft, and a driving device connected to one end of the stirring shaft.
Optionally, the top end of the stirring shaft sequentially penetrates through the cylinder and the upper end enclosure and then is connected with the driving device, and the driving device is installed at the top of the upper end enclosure.
Optionally, a rack is installed at the top of the upper end enclosure, and the driving device is installed on the rack.
Optionally, the driving device comprises a motor reducer and a spring block coupler, and the motor reducer is connected with the stirring shaft through the spring block coupler.
Optionally, a mechanical seal is arranged between the stirring shaft and the upper end enclosure, so that the tank body integrally forms a pressure container with the mechanical seal, the temperature and pressure are kept, and the high-temperature crystallized manganese sulfate can be prevented from being re-dissolved due to temperature reduction.
Optionally, the stirrer comprises a stirring scraper and a scraper connecting plate, wherein the stirring scraper is parallel to a generatrix of the cone and is connected to the stirring shaft through the scraper connecting plate; the stirring scraper is used for scraping and conveying the crystals precipitated in the cone to the slurry discharge port.
Optionally, one end of the scraper connecting plate is connected with the stirring scraper through a bolt, and the other end of the scraper connecting plate is connected with the stirring shaft through a shaft sleeve.
Optionally, the thickening apparatus is further provided with a manhole, a safety valve discharge port, an instrument standby interface and/or a separator sight glass port.
The utility model discloses for prior art gain following technological effect:
the thickening equipment suitable for manganese sulfate high-temperature crystallization has reasonable structural design, and the crystallized manganese sulfate crystal slurry is divided into two parts, namely clarified low-concentration manganese sulfate mother liquor and high-concentration manganese sulfate precipitate under the action of the self gravity of the manganese sulfate crystal to achieve the purpose of thickening the high-purity manganese sulfate crystal slurry; the crystallized manganese sulfate crystal slurry can meet the subsequent centrifugation requirement through continuous thickening, and the method provides guarantee for high-purity manganese sulfate solid-liquid separation and continuous production of the whole process.
The utility model discloses not only clarification effect is good, and is corrosion-resistant, high temperature resistant moreover, adopts the pressure vessel design, and there is not the pressure release after the manganese sulfate magma gets into jar body to through outside heat preservation adiabatic, effectively prevented manganese sulfate magma from returning to dissolve because of the temperature reduction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the thickening apparatus suitable for manganese sulfate high-temperature crystallization of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at I;
FIG. 3 is an enlarged view of FIG. 1 at II;
FIG. 4 is an enlarged schematic view of FIG. 1 at III;
FIG. 5 is an enlarged view of FIG. 1 at IV;
FIG. 6 is a top view of the thickening apparatus for manganese sulfate high-temperature crystallization of the present invention;
FIG. 7 is a view of the welding structure of the lens opening and the barrel of the separator;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 9 is a schematic structural view of the stirring device of the present invention;
FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9;
FIG. 11 is a cross-sectional view taken along line C-C of FIG. 9;
FIG. 12 is a top view of FIG. 9;
wherein the reference numerals are: 100 thickening equipment suitable for manganese sulfate high-temperature crystallization, 101 a tank body, 102 a stirring device, 103 a driving device, 1 a cone, 2 a stirrer, 3 a stirring shaft, 4 a barrel body, 5 a support, 6 an upper sealing head, 7 a support ring, 8 a flange, 9 screws, 10 nuts, 11 mechanical seals, 12 gaskets, 13 screws, 14 nuts, 15 a rack, 16 a motor reducer, 17 a spring block coupler and 18 baffles; 19 split type shaft sleeves, 20 scraper connecting plates, 21 stirring scrapers, 22 bolts, 23 nameplates, b manganese sulfate thickening crystal slurry discharge port, an N1 manganese sulfate crystal slurry feeding port, an m manhole, an N2 steam inlet, an N3 safety valve discharge port, an N4-N9 instrument and a standby interface, a P1-P8 manganese sulfate separation mother liquor discharge port, and an S1-S4 separator sight glass port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a thickening equipment suitable for manganese sulfate high temperature crystallization to solve the problem that above-mentioned prior art exists, this equipment accessible continuous thickening makes the manganese sulfate magma after the crystallization reach follow-up centrifugal requirement, provides the assurance for high-purity manganese sulfate solid-liquid separation and whole technology continuous production.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
The concentration ratio of the crystallized manganese sulfate magma solution to the crystals is about 2:1, and the concentration standard of the solution for subsequent centrifugation to the crystals is about 1:2, so that the crystallized magma can be centrifuged only by thickening and increasing the concentration. Based on this, the present embodiment provides a thickening apparatus 100 suitable for high-temperature crystallization of manganese sulfate. As shown in fig. 1-12, the thickening apparatus 100 suitable for manganese sulfate high-temperature crystallization comprises a tank 101, wherein the tank 101 is mainly formed by hermetically connecting a cone 1, a cylinder 4 and an upper end enclosure 6 from bottom to top, and a stirring device 102 is arranged in the cone 1. The tank body 101 plays a role of a container, the crystallized manganese sulfate crystal slurry enters the tank body 101 through a manganese sulfate crystal slurry feeding hole N1 to be subjected to solid-liquid separation, a manganese sulfate crystal with high density sinks to the cone 1, and a manganese sulfate mother solution with low concentration after the solid-liquid separation is discharged from a separation mother solution discharge hole of the upper end enclosure 6.
In the embodiment, in order to avoid the excessive discharge speed of the clarified liquid and to uniformly discharge the clarified liquid, as shown in fig. 1 and 6, six manganese sulfate separation mother liquid discharge ports, namely, manganese sulfate separation mother liquid discharge ports P1, P2, P3, P4, P5 and P6 are arranged on the upper end enclosure 6; meanwhile, in order to avoid the solution in the tank from rising above the upper end enclosure 6, the manganese sulfate separation mother liquor discharge ports P1-P6 rise into the tank through connecting pipes, and the height is 1200 mm; the manganese sulfate separation mother liquor discharge ports P1-P6 are connected through two titanium semicircular pipes with phi 76, and finally are converged to the manganese sulfate separation mother liquor discharge ports P7 and P8.
In this embodiment, the entire volume of the tank 101 is preferably 53.5m3The material is preferably Q345+ TA10, the sedimentation cross-sectional area is preferably 12.56 square meters, and the requirement of the high-temperature crystallization process is met. The acidity of the crystallized manganese sulfate magma is high, and the corrosivity is strong, so that the tank body 101 needs high corrosion resistance; the temperature of the crystallized slurry is between 140 ℃ and 150 ℃, and the tank 101 must be able to withstand the temperature of 150 ℃ or higher.
In this embodiment, as shown in fig. 1 and 9, the stirring device 102 is mainly composed of a stirrer 2, a stirring shaft 3, a frame 15, and a driving device 103, which are connected and combined by bolts. Wherein, agitator 2 includes two stirring scraper blades 22 that are on a parallel with the setting of cone 1 conical surface, and two stirring scraper blades 22 symmetrical arrangement just all connect in (mixing) shaft 3 through scraper blade connecting plate 20. As shown in fig. 9, the top, middle and bottom of each stirring scraper 22 are connected to the stirring shaft 3 through a scraper connecting plate 20, wherein the scraper connecting plate 20 at the top is the longest, the scraper connecting plate 20 at the middle is the second, the scraper connecting plate 20 at the bottom is the shortest, each scraper connecting plate 20 is connected to the stirring shaft 3 through a bolt 22 and a nut matched with the bolt 22, and each scraper connecting plate 20 is mounted on the stirring shaft 3 through a split shaft sleeve 19.
Further, in this embodiment, as shown in fig. 1, the driving device 103 includes a motor reducer 16, and the top end of the stirring shaft 3 penetrates through the upper end enclosure 6 and is connected to the motor reducer 16 through a spring block coupling 17. A mechanical seal 11 is arranged between the stirring shaft 3 and the upper end enclosure 6, and the mechanical seal 11 is fixed on the stirring shaft 3 through a gasket 12, a screw 13, a nut 14 and other connecting components. Meanwhile, a flange 8 is arranged at an outlet at the top end of the upper end enclosure 6, a support ring 7 is arranged on the periphery of the flange 8, and the support ring 7 is connected with the outer wall of the upper end enclosure 6; the frame 15 is fixed on the flange 8 through a screw 9 and a nut 10 and is positioned above the flange 8; the motor reducer 16 is fixed on the top end of the frame 15. The power of the motor reducer 16 is preferably 5.5kw, the rotation speed is preferably 0.6r/min, and the rotation speed of the stirrer 2 is also 0.6 r/min. The motor reducer 16 mainly functions to drive the stirring shaft 3 to rotate, further drives the stirring scraper 21 of the stirrer 2 to rotate to scrape manganese sulfate crystals precipitated in the cone 1 after solid-liquid separation, and under the dual actions of stirring and gravity, thickened manganese sulfate crystal slurry is continuously discharged from a discharge opening b of the thickened manganese sulfate crystal slurry and enters a next centrifugal process.
Further, in this embodiment, as shown in fig. 9-12, the included angle between the two stirring scrapers 22 is the same as the taper angle of the cone 1, and is preferably 60 °. Scraper blade connecting plate 20 level setting of bottom, scraper blade connecting plate 20 at top and scraper blade connecting plate 20 at middle part all incline the installation, and scraper blade connecting plate 20 at top and the scraper blade connecting plate 20 at middle part all prefer 70 with the contained angle between (mixing) shaft 3, and the contained angle between two scraper blade connecting plates 20 of symmetrical arrangement is 140 promptly. In actual installation, as shown in fig. 11, an included angle of 10 ° is left between the scraper connection plate 20 at the top and the scraper connection plate 20 and the stirring scraper 22 at the middle, and when the stirrer 2 rotates the stirring shaft 3, the stirring scraper 22 may be raised by about <10 °. This embodiment is through adopting above-mentioned two oblique scraper blades parallel with cone 1, both can prevent to stir because the stirring speed is too fast and stir and can not deposit because of the manganese sulfate crystal, can in time scrape the manganese sulfate crystal that deposits at the awl end again, carry awl end row cinder notch.
In this embodiment, jar body 101 top is provided with mechanical seal 11, and the heat preservation pressurize makes jar body 101 have the pressure-bearing and prevents leaking the function, and the magma pressure that the crystallization came out is generally at 4 kilograms, because the pressure release can cool down, leads to the manganese sulfate crystal to dissolve again after the cooling, so the magma that the crystallization came out can not the pressure release at thickening in-process, and this thickening equipment can not the pressure release cooling at thickening in-process, and can effectively prevent that high temperature crystallization's manganese sulfate from returning to dissolving because of the temperature reduces.
In this embodiment, the outer wall of the cylinder 4 is provided with a support 5 and a nameplate 23.
In this embodiment, the tank 101 is further provided with a manhole m, a safety valve discharge port N3, instrumentation and backup ports N4 to N9, separator sight glass ports S1 to S4, and the like. The concrete arrangement positions of the components can be arranged on the cone 1, the cylinder 4 or the upper end enclosure 6 according to actual requirements. A baffle 18 is arranged outside the feed inlet N1 of the manganese sulfate crystal slurry.
The thickening equipment of the embodiment divides the crystallized manganese sulfate crystal slurry into two parts, namely a clarified low-concentration manganese sulfate mother solution and a high-concentration manganese sulfate precipitate, by means of the gravity of the manganese sulfate crystal, and the two parts are discharged from a manganese sulfate separation mother solution discharge opening and a manganese sulfate thickening crystal slurry discharge opening b respectively and enter the next process, so that the purpose of thickening the high-purity manganese sulfate crystal slurry is achieved. The working process of the thickening equipment is as follows:
1. continuously discharging the crystallized manganese sulfate crystal slurry into the tank body 101 from a manganese sulfate crystal slurry feeding hole N1;
2. 4 kg of saturated steam with pressure is introduced into the tank body 101 from a steam inlet N2, so that the manganese sulfate crystal is prevented from being re-dissolved due to the fact that the temperature of manganese sulfate crystal slurry flowing into the tank is reduced;
3. the manganese sulfate crystals in the manganese sulfate crystal slurry continuously sink towards the cone bottom in the tank body 101 by virtue of the self gravity, so that the concentration of manganese sulfate in the cone 1 is increased, and the purpose of thickening is achieved;
4. under the action of stirring and gravity, the thickened manganese sulfate magma is continuously discharged from a discharge opening b of the thickened manganese sulfate magma and enters the next centrifugal process;
5. and the low-concentration clarified liquid separated in the tank continuously and uniformly flows out from a manganese sulfate separation mother liquid discharge port P1-P6, and finally is collected to a manganese sulfate separation mother liquid discharge port P7 and a manganese sulfate separation mother liquid discharge port P8 to flow out.
Therefore, the thickening equipment has the following beneficial effects:
1. thickening effect: after crystallization, the mass ratio of manganese sulfate crystals to the solution in the manganese sulfate crystal slurry is 1:3.5, and the manganese sulfate crystal slurry can not be centrifuged without thickening; the mass ratio of the sulfuric acid crystal to the solution after thickening is 2:1, which is enough to meet the centrifugal requirement of the later working procedure.
2. Clarification effect: clear liquid discharged from discharge ports P7 and P8 of mother liquid separated from manganese sulfate does not contain crystals, and the clear capacity reaches 60m3/h。
3. The tank body and the individual pipelines are made of titanium composite materials, so that impurities brought into manganese sulfate crystals due to corrosion are avoided.
4. The separation adopts the design of a pressure container, the pressure after crystallization is 4 kilograms, the pressure is not released after the manganese sulfate crystal slurry with the temperature of 145 ℃ enters the separator, and the separation can be matched with external heat preservation and insulation to prevent the manganese sulfate crystal slurry from being re-dissolved due to the temperature reduction.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The thickening equipment suitable for high-temperature crystallization of manganese sulfate is characterized by comprising a tank body, wherein the tank body comprises:
the device comprises a cylinder body, wherein an upper end enclosure is arranged above the cylinder body, and a slurry inlet, a separated mother liquor outlet and/or a steam inlet are/is formed in the upper end enclosure;
the cone is arranged below the cylinder body; a slurry discharge port is arranged below the cone;
and the stirring device is arranged in the cone.
2. The thickening apparatus suitable for manganese sulfate high-temperature crystallization as claimed in claim 1, wherein the bottom cone angle of the cone is 60 °.
3. The thickening device suitable for manganese sulfate high-temperature crystallization according to claim 1, wherein the stirring device comprises a stirring shaft, a stirrer mounted on the stirring shaft, and a driving device connected to one end of the stirring shaft.
4. The thickening device suitable for manganese sulfate high-temperature crystallization as claimed in claim 3, wherein the top end of the stirring shaft penetrates through the cylinder and the upper end enclosure in sequence and then is connected with the driving device, and the driving device is mounted at the top of the upper end enclosure.
5. The thickening device suitable for high-temperature crystallization of manganese sulfate according to claim 4, wherein a rack is mounted on the top of the upper sealing head, and the driving device is mounted on the rack.
6. The thickening device suitable for manganese sulfate high-temperature crystallization as claimed in claim 4, wherein the driving device comprises a motor speed reducer and a spring block coupler, and the motor speed reducer is connected with the stirring shaft through the spring block coupler.
7. The thickening device suitable for manganese sulfate high-temperature crystallization as claimed in claim 4, wherein a mechanical seal is arranged between the stirring shaft and the upper end enclosure, so that the tank body integrally forms a pressure vessel with the mechanical seal.
8. The thickening equipment suitable for manganese sulfate high-temperature crystallization is characterized in that the stirrer comprises a stirring scraper and a scraper connecting plate, wherein the stirring scraper is arranged in parallel to a generatrix of the cone and is connected to the stirring shaft through the scraper connecting plate; the stirring scraper is used for scraping and conveying the crystals precipitated in the cone to the slurry discharge port.
9. The thickening device suitable for high-temperature crystallization of manganese sulfate according to claim 8, wherein one end of the scraper connecting plate is connected with the stirring scraper through a bolt, and the other end of the scraper connecting plate is connected with the stirring shaft through a shaft sleeve.
10. The thickening device suitable for high-temperature crystallization of manganese sulfate according to claim 1, wherein a manhole, a safety valve discharge port, an instrument standby interface and/or a separator sight glass port are/is further arranged on the thickening device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120011316.6U CN214087749U (en) | 2021-01-05 | 2021-01-05 | Thickening equipment suitable for manganese sulfate high temperature crystallization |
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| CN202120011316.6U CN214087749U (en) | 2021-01-05 | 2021-01-05 | Thickening equipment suitable for manganese sulfate high temperature crystallization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591800A (en) * | 2021-01-05 | 2021-04-02 | 广西埃索凯新材料科技有限公司 | Thickening equipment suitable for manganese sulfate high temperature crystallization |
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- 2021-01-05 CN CN202120011316.6U patent/CN214087749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591800A (en) * | 2021-01-05 | 2021-04-02 | 广西埃索凯新材料科技有限公司 | Thickening equipment suitable for manganese sulfate high temperature crystallization |
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