CN218058485U - Production system of synthetic rutile and titanium dioxide production system - Google Patents
Production system of synthetic rutile and titanium dioxide production system Download PDFInfo
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- CN218058485U CN218058485U CN202222282036.6U CN202222282036U CN218058485U CN 218058485 U CN218058485 U CN 218058485U CN 202222282036 U CN202222282036 U CN 202222282036U CN 218058485 U CN218058485 U CN 218058485U
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Abstract
The utility model relates to an artificial rutile technical field particularly, relates to artificial rutile's production system and titanium dioxide production system. The production system of the artificial rutile comprises an artificial rutile preparation device, and a first polymerized iron sulfate preparation device, a second polymerized iron sulfate preparation device and an iron phosphate preparation device which are respectively connected with the artificial rutile preparation device. The production system of the artificial rutile can realize co-production of high-quality polymeric ferric sulfate, low-quality polymeric ferric sulfate and ferric phosphate while producing high-quality artificial rutile, realizes cyclic utilization of resources, and solves the problem that the artificial rutile mother liquor is difficult to treat in the prior art.
Description
Technical Field
The utility model relates to an artificial rutile technical field particularly, relates to artificial rutile's production system and titanium dioxide production system.
Background
Synthetic rutile refers to a titanium-rich material produced by separating out most of the iron component of ilmenite using chemical processing methods, which has the same composition and structural properties as natural rutile. Although there are many methods for preparing synthetic rutile, these processes are complicated, resulting in complicated equipment structures.
Wherein, the hydrochloric acid leaching method can obtain high-grade artificial rutile, but the prepared product has the advantages of over-fine granularity, higher production cost and serious corrosion to equipment in the production process.
In addition, the method has the problem that the artificial rutile mother liquor separated after leaching is difficult to treat. For example, the synthetic rutile mother liquor contains a small amount of acid and metal impurities, particularly calcium and magnesium impurities, and circulation in the system can result in increased acidity of the mother liquor in the system and increased impurity content, and the increased content of calcium and magnesium in the mother liquor can cause system scaling and affect the positive operation of the system. If the neutralization is directly carried out, a large amount of limestone or carbide mud is consumed, a large amount of yellow mud is generated, the utilization is difficult, and resources such as iron and titanium are wasted. If the obtained artificial rutile mother liquor can not be reasonably treated or utilized, the development of the method is directly restricted.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first aim at provides a production system of artificial rutile, through setting up artificial rutile preparation facilities, can be when obtaining high-grade artificial rutile, reduction in production cost, alleviate the corruption to equipment in the production process. In addition, the first polymeric ferric sulfate preparation device, the second polymeric ferric sulfate preparation device and the ferric phosphate preparation device are arranged, so that the synthetic rutile mother liquor is recycled, high-quality and low-quality polymeric ferric sulfate and battery-grade ferric phosphate can be prepared, and the problem that the synthetic rutile mother liquor is difficult to treat in the prior art is solved.
A second object of the present invention is to provide a titanium dioxide production system.
In order to realize the above purpose of the utility model, the following technical scheme is adopted:
the utility model provides an artificial rutile production system, which comprises an artificial rutile preparation device, and a first polymeric ferric sulfate preparation device, a second polymeric ferric sulfate preparation device and a ferric phosphate preparation device which are respectively connected with the artificial rutile preparation device;
the artificial rutile preparation device is used for preparing artificial rutile and comprises a first reaction device, a second reaction device, a first solid-liquid separation device and a calcination device which are sequentially connected;
the first solid-liquid separation device is connected with the first polymeric ferric sulfate preparation device, and the first polymeric ferric sulfate preparation device is used for preparing first polymeric ferric sulfate;
the other end of the first reaction device is connected with a second solid-liquid separation device;
the other end of the second solid-liquid separation device is respectively connected with the second polymeric ferric sulfate preparation device and the ferric phosphate preparation device; the second polymerized ferric sulfate preparation device is used for preparing second polymerized ferric sulfate, and the ferric phosphate preparation device is used for preparing ferric phosphate.
In the above technical solution, further, a first stirring device is disposed in the first reaction device, and the first stirring device is used for uniformly mixing materials in the first reaction device;
and a second stirring device is arranged in the second reaction device and used for uniformly mixing materials in the second reaction device.
In the above technical solution, further, a first heating device is arranged at the bottom end of the first reaction device, and the first heating device is used for heating the material in the first reaction device;
and a second heating device is arranged at the bottom end of the second reaction device and used for heating the materials in the second reaction device.
In the above technical solution, further, the first polymeric ferric sulfate preparation apparatus includes a third reaction apparatus connected to the first solid-liquid separation apparatus and a third stirring apparatus disposed inside the third reaction apparatus;
the second polymerized iron sulfate preparation device comprises a fourth reaction device connected with the second solid-liquid separation device and a fourth stirring device arranged in the fourth reaction device.
In the above technical solution, further, a third heating device is arranged at the bottom end of the third reaction device, and the third heating device is used for heating the material in the third reaction device;
and a fourth heating device is arranged at the bottom end of the fourth reaction device and used for heating materials in the fourth reaction device.
In the above technical solution, further, the iron phosphate preparation apparatus includes an iron phosphate reaction apparatus, a third solid-liquid separation apparatus, and a sintering apparatus, which are connected in sequence; and the iron phosphate reaction device is connected with the second solid-liquid separation device.
In the above technical scheme, further, a fifth stirring device is arranged in the iron phosphate reaction device, and the fifth stirring device is used for uniformly mixing materials in the iron phosphate reaction device.
In the above technical solution, a fifth heating device is disposed at the bottom of the iron phosphate reaction device, and the fifth heating device is used for heating the material in the iron phosphate reaction device.
In the above technical solution, further, the first solid-liquid separation device, the second solid-liquid separation device, and the third solid-liquid separation device include at least one of a filter press, a centrifuge, and a vacuum filter.
The utility model also provides a titanium dioxide production system, including as above the production system of synthetic rutile.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses a set up artificial rutile preparation facilities, when obtaining high-grade and moderate artificial rutile of granularity, reduced manufacturing cost, alleviateed the corruption to equipment in the production process.
(2) The utility model discloses a set up first polymeric ferric sulfate preparation facilities, second polymeric ferric sulfate preparation facilities and iron phosphate preparation facilities, carry out recycle with artificial rutile mother liquor, can make polymeric ferric sulfate and battery level iron phosphate of high, low quality, realized the rational utilization of resource. Solves the problem that the synthetic rutile mother liquor in the prior art is difficult to treat.
(3) The utility model provides a production system of artificial rutile has simple structure, can realize serialization production, degree of automation height and can realize advantages such as cyclic utilization of resource.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a production system of artificial rutile provided by the present invention.
Reference numerals:
1-an artificial rutile preparation device; 2-a first polymeric ferric sulfate preparation device; 3-a second solid-liquid separation device; 4-a second polymeric ferric sulfate preparation device; 5-iron phosphate preparation facilities; 11-a first reaction unit; 12-a second reaction unit; 13-a first solid-liquid separation device; 14-a calcination apparatus; 15-a first stirring device; 16-a second stirring device; 17-a first waste sulfuric acid feed port; 18-reducing ilmenite feed inlet; 19-a second waste sulfuric acid feeding port; 20-an artificial rutile discharge port; 21-a first heating device; 22-a second heating device; 200-a third reaction device; 201-a third stirring device; 202-a first ferrous sulfate inlet; 203-first sulfuric acid inlet; 204-a first catalyst inlet; 205-a first oxygen inlet; 206-a discharge port of first polymeric ferric sulfate; 207-third heating means; 400-a fourth reaction unit; 401-a fourth stirring device; 402-ferrous second sulfate inlet; 403-second sulfuric acid inlet; 404-a second catalyst inlet; 405-a second oxygen inlet; 406-a discharge port of second polymeric ferric sulfate; 407-a fourth heating device; 51-iron phosphate reaction device; 511-fifth stirring device; 512-fifth heating device; 513-a phosphoric acid inlet; 514-hydrogen peroxide inlet; 52-a third solid-liquid separation device; 53-sintering device; 531-iron phosphate discharge port.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a production system of artificial rutile, it is the production system of artificial rutile coproduction polyferric sulfate and ferric phosphate. Referring to fig. 1, a schematic connection diagram of a synthetic rutile production system is shown, and the synthetic rutile production system includes a synthetic rutile production apparatus 1, and a first polymeric ferric sulfate production apparatus 2, a second polymeric ferric sulfate production apparatus 4, and an iron phosphate production apparatus 5, which are respectively connected to the synthetic rutile production apparatus 1.
Referring to fig. 1, an artificial rutile manufacturing apparatus 1 is connected to a first polymeric ferric sulfate manufacturing apparatus 2, a second polymeric ferric sulfate manufacturing apparatus 4, and a ferric phosphate manufacturing apparatus 5, respectively.
In some preferred embodiments of the present invention, the artificial rutile manufacturing apparatus 1 is connected to the first polymeric ferric sulfate manufacturing apparatus 2, the second polymeric ferric sulfate manufacturing apparatus 4, and the ferric phosphate manufacturing apparatus 5 through pipelines, respectively.
The artificial rutile preparation device 1 is used for preparing artificial rutile, and the artificial rutile preparation device 1 comprises a first reaction device 11, a second reaction device 12, a first solid-liquid separation device 13 and a calcination device 14 which are connected in sequence.
Wherein the first reaction device 11 is used for carrying out a first acid leaching reaction on the waste sulfuric acid and the reduced ilmenite.
In some preferred embodiments of the present invention, the first reaction device 11 is provided with a first waste sulfuric acid feeding port 17 and a reduced ilmenite feeding port 18; the first waste sulfuric acid feeding port 17 is used for inputting waste sulfuric acid, and the reduced ilmenite feeding port 18 is used for inputting reduced ilmenite. Further, a sediment outlet is further arranged on the first reaction device 11, the sediment outlet is used for outputting sediment obtained after the first acid leaching reaction, and the sediment outlet is connected with the second reaction device 12.
The second reaction device 12 is configured to perform a second acid leaching reaction on the sediment obtained after the first acid leaching reaction and the waste sulfuric acid. In some preferred embodiments of the present invention, the second reaction device 12 is provided with a second waste sulfuric acid feeding port 19, and the second waste sulfuric acid feeding port 19 is used for inputting waste sulfuric acid. The second reaction device 12 is further provided with a sediment inlet, the sediment inlet is used for inputting sediment obtained after the first acid leaching reaction, and the sediment inlet is connected with the sediment outlet of the first reaction device 11.
The first solid-liquid separation device 13 is configured to perform solid-liquid separation on the mixed material obtained after the second acid leaching reaction. In some preferred embodiments of the present invention, the first solid-liquid separation device 13 is provided with a mixture inlet, a first artificial rutile mother liquor outlet and a filter residue outlet. The mixture inlet is used for inputting the mixture obtained by the second acid leaching reaction, the first artificial rutile mother liquor outlet is used for outputting a first artificial rutile mother liquor (the main component of the artificial rutile mother liquor is ferrous sulfate, and also contains a part of free acid and impurity elements such as titanium, aluminum and chromium) of which the main component is ferrous sulfate and which is separated by the first solid-liquid separation device 13, and the filter residue outlet is used for outputting filter residue of which the main component is artificial rutile and which is separated by the first solid-liquid separation device 13.
The calcining device 14 is used for calcining the solid material after the solid-liquid separation. In some preferred embodiments of the present invention, the calcining device 14 is provided with a filter residue inlet and an artificial rutile discharging port 20, the filter residue inlet is used for inputting the filter residue of which the main component is artificial rutile, and the artificial rutile discharging port 20 is used for outputting the artificial rutile calcined by the calcining device 14.
The first solid-liquid separation device 13 is connected with the first polyferric sulfate preparation device 2, and the first polyferric sulfate preparation device 2 is used for preparing first polyferric sulfate.
The first polyferric sulfate is low-quality polyferric sulfate, wherein the impurity content is high, and the low-quality polyferric sulfate can be used for industrial water treatment.
The other end of the first reaction device 11 is connected with a second solid-liquid separation device 3, and the second solid-liquid separation device 3 is used for carrying out solid-liquid separation on the supernatant obtained after the first acid leaching reaction.
The first acid leaching reaction is an acid leaching reaction of the waste sulfuric acid and the reduced ilmenite, wherein iron in the reduced ilmenite reacts with hydrogen ions in the waste sulfuric acid to generate ferrous ions, and simultaneously, the content of impurities (mainly iron) in the reduced ilmenite is reduced.
In some preferred embodiments of the present invention, the reduced ilmenite is excessive, and after the reaction of the waste sulfuric acid and the reduced ilmenite is performed and left for a period of time (10-30 min), the residual excessive reduced ilmenite will settle at the bottom of the first reaction device 11, and the main component of the supernatant is ferrous sulfate, and further includes a small amount of solid particles and colloids. The small particles in the supernatant can be removed by arranging the second solid-liquid separation device 3.
And the sediment settled at the bottom of the first reaction device 11 is conveyed to the second reaction device 12 for continuous reaction with the waste sulfuric acid (second acid leaching reaction), so that impurities (mainly iron) in the reduced ilmenite can be further consumed, and the purity of the prepared artificial rutile is further improved. After the second acid leaching reaction, the mixed raw materials are separated by a first solid-liquid separation device 13 and then calcined, and the high-grade artificial rutile can be obtained.
Referring to fig. 1, the other end of the second solid-liquid separation device 3 is connected with the second polymeric ferric sulfate preparation device 4 and the ferric phosphate preparation device 5 respectively; the second polymerized ferric sulfate preparation device 4 is used for preparing second polymerized ferric sulfate, and the ferric phosphate preparation device 5 is used for preparing ferric phosphate.
The first polymeric ferric sulfate is high-quality polymeric ferric sulfate, wherein the impurity content is low, and the high-quality polymeric ferric sulfate can be used for drinking water treatment.
In some preferred embodiments of the present invention, the second solid-liquid separation device 3 is connected to the second polymeric ferric sulfate preparation device 4 and the ferric phosphate preparation device 5 through pipelines, respectively. Further, a valve is arranged on a pipeline between the second solid-liquid separation device 3 and the second polymeric ferric sulfate preparation device 4; and a valve is arranged on a pipeline between the second solid-liquid separation device 3 and the iron phosphate preparation device 5.
The liquid material separated by the second solid-liquid separation device 3 may flow into the second polymeric ferric sulfate preparation device 4, or the ferric phosphate preparation device 5, or may flow into the second polymeric ferric sulfate preparation device 4 and the ferric phosphate preparation device 5 simultaneously along the pipeline.
The main component of the liquid material obtained by separation by the second solid-liquid separation device 3 is ferrous sulfate, and high-quality polymeric ferric sulfate can be prepared by conveying the ferrous sulfate into the second polymeric ferric sulfate preparation device 4; the iron phosphate can be prepared by conveying the iron phosphate to the iron phosphate preparation device 5, and the high-quality polymeric ferric sulfate and the iron phosphate can also be simultaneously prepared by conveying the iron phosphate. The product to be prepared can be selected according to actual requirements, and the flow direction of the liquid material obtained by separation of the second solid-liquid separation device 3 can be selected according to the valve.
The production system of the artificial rutile can realize the co-production of high-quality polymeric ferric sulfate and/or low-quality ferric sulfate and ferric phosphate while producing high-quality artificial rutile.
Specifically, the utility model discloses a set up artificial rutile preparation facilities 1, when obtaining high-grade and the moderate artificial rutile of granularity, reduced manufacturing cost, alleviateed the corruption to equipment in the production process.
And, the utility model discloses a set up first polymeric ferric sulfate preparation facilities 2, second polymeric ferric sulfate preparation facilities 4 and iron phosphate preparation facilities 5, carry out recycle with the artificial rutile mother liquor, can make polymeric ferric sulfate and battery level iron phosphate of high, low quality, realized the rational utilization of resource. Solves the problem that the artificial rutile mother liquor in the prior art is difficult to treat.
Further, as shown in fig. 1, a first stirring device 15 is disposed in the first reaction device 11, and the first stirring device 15 is used for uniformly mixing materials in the first reaction device 11.
A second stirring device 16 is arranged in the second reaction device 12, and the second stirring device 16 is used for uniformly mixing materials in the second reaction device 12.
The provision of the first stirring device 15 and the second stirring device 16 can improve the reaction efficiency.
In some preferred embodiments of the present invention, the first stirring device 15 and the second stirring device 16 may be any conventional stirring device, such as a propeller stirrer, a turbine stirrer, a paddle stirrer, an anchor stirrer, a ribbon stirrer, a magnetic stirrer, a flap stirrer, etc., but are not limited thereto.
Further, as shown in fig. 1, a first heating device 21 is disposed at a bottom end of the first reaction device 11, and the first heating device 21 is configured to heat the material in the first reaction device 11.
The bottom end of the second reaction device 12 is provided with a second heating device 22, and the second heating device 22 is used for heating the materials in the second reaction device 12.
The provision of the first heating means 21 and the second heating means 22 can promote the progress of the reaction and increase the reaction rate.
In some preferred embodiments of the present invention, the first heating device 21 and the second heating device 22 may be any conventional stirring device, such as an electromagnetic heating device, an infrared heating device, a resistance heating device, a microwave heating device, a steam heating device, etc., but not limited thereto.
Further, as shown in fig. 1, the first polymeric ferric sulfate preparation device 2 includes a third reaction device 200 connected to the first solid-liquid separation device 13, and a third stirring device 201 disposed inside the third reaction device 200.
The third reaction device 200 is configured to perform an oxidative polymerization reaction on the liquid material obtained after separation by the first solid-liquid separation device 13, ferrous sulfate, sulfuric acid, a catalyst, and oxygen, and the third stirring device 201 is configured to uniformly mix materials in the first polymeric ferric sulfate preparation device 2.
In some preferred embodiments of the present invention, the third stirring device 201 may be any conventional stirring device, such as a propeller stirrer, a turbine stirrer, a paddle stirrer, an anchor stirrer, a ribbon stirrer, a magnetic stirrer, a hinge stirrer, etc., but is not limited thereto.
In some preferred embodiments of the present invention, the third reaction device 200 is further provided with a first artificial rutile mother liquor inlet, the first artificial rutile mother liquor inlet is used for inputting a first artificial rutile mother liquor (i.e. a liquid material separated by the first solid-liquid separation device 13) whose main component is ferrous sulfate, and the first artificial rutile mother liquor inlet is connected to the first artificial rutile mother liquor outlet of the first solid-liquid separation device 13.
Further, the first polyferric sulfate preparation device 2 is also provided with a first ferrous sulfate inlet 202 for inputting ferrous sulfate, a first sulfuric acid inlet 203 for inputting sulfuric acid solution, a first catalyst inlet 204 for inputting catalyst, a first oxygen inlet 205 for inputting oxygen, and a first polyferric sulfate outlet 206 for outputting first polyferric sulfate.
The second polymeric ferric sulfate preparation device 4 includes a fourth reaction device 400 connected to the second solid-liquid separation device 3, and a fourth stirring device 401 disposed inside the fourth reaction device 400.
The fourth reaction device 400 is configured to perform an oxidative polymerization reaction on the liquid material separated by the second solid-liquid separation device 3, ferrous sulfate, sulfuric acid, a catalyst, and oxygen, and the fourth stirring device 401 is configured to uniformly mix materials in the second polymeric ferric sulfate preparation device 4.
In some preferred embodiments of the present invention, the fourth stirring device 401 may be any conventional stirring device, such as a propeller stirrer, a turbine stirrer, a paddle stirrer, an anchor stirrer, a ribbon stirrer, a magnetic stirrer, a flap stirrer, etc., but is not limited thereto.
In some preferred embodiments of the present invention, the second solid-liquid separation device 3 is provided with a supernatant inlet and two filtrate outlets, the supernatant inlet is used for inputting the supernatant obtained after the first acid leaching reaction, and the supernatant inlet is connected to the first reaction device 11. The two filtrate outlets are both used for outputting filtrate of which the main component is ferrous sulfate and which is separated by the second solid-liquid separation device 3, and the two filtrate outlets are respectively connected with the fourth reaction device 400 and the iron phosphate preparation device 5.
In some preferred embodiments of the present invention, the fourth reaction device 400 is provided with a first filtrate inlet, the first filtrate inlet is used for inputting a filtrate (i.e. a filtrate separated by the second solid-liquid separation device 3) whose main component is ferrous sulfate, and the first filtrate inlet is connected to the filtrate outlet of the second solid-liquid separation device 3, and further, the second polymeric ferric sulfate preparation device 4 is further provided with a second ferrous sulfate inlet 402 for inputting ferrous sulfate, a second sulfuric acid inlet 403 for inputting sulfuric acid solution, a second catalyst inlet 404 for inputting catalyst, a second oxygen inlet 405 for inputting oxygen, and a second polymeric ferric sulfate outlet 406 for outputting second polymeric ferric sulfate.
Further, as shown in fig. 1, a third heating device 207 is disposed at the bottom end of the third reaction device 200, and the third heating device 207 is used for heating the material in the third reaction device 200;
the bottom end of the fourth reaction device 400 is provided with a fourth heating device 407, and the fourth heating device 407 is used for heating the materials in the fourth reaction device 400.
The third heating device 207 and the fourth heating device 407 are arranged to promote the reaction and increase the reaction rate.
In some preferred embodiments of the present invention, the third heating device 207 and the fourth heating device 407 may employ any conventional stirring device, such as an electromagnetic heating device, an infrared heating device, a resistance heating device, a microwave heating device, a steam heating device, etc., but not limited thereto.
Further, as shown in fig. 1, the iron phosphate preparation apparatus 5 includes an iron phosphate reaction apparatus 51, a third solid-liquid separation apparatus 52, and a sintering apparatus 53 connected in sequence; wherein the iron phosphate reaction device 51 is connected with the second solid-liquid separation device 3.
The iron phosphate reaction device 51 is configured to perform a synthesis reaction on the filtrate, which is separated by the second solid-liquid separation device 3 and contains ferrous sulfate as a main component, with phosphoric acid and hydrogen peroxide; namely, the ferrous sulfate reacts with phosphoric acid and hydrogen peroxide to generate iron phosphate. Wherein, the hydrogen peroxide can be used as an oxidant to oxidize ferrous ions into ferric ions.
The third solid-liquid separation device 52 is configured to perform solid-liquid separation on the mixed material obtained after the synthesis reaction; the sintering device 53 is used for calcining the solid material obtained after the solid-liquid separation.
In some preferred embodiments of the present invention, a second filtrate inlet is provided on the iron phosphate reaction device 51, the second filtrate inlet is used for inputting a filtrate (i.e. a filtrate separated by the second solid-liquid separation device 3) whose main component is ferrous sulfate, and the second filtrate inlet is connected to the filtrate outlet of the second solid-liquid separation device 3.
Further, as shown in fig. 1, a fifth stirring device 511 is disposed in the iron phosphate reaction device 51, and the fifth stirring device 511 is used for uniformly mixing the materials in the iron phosphate reaction device 51.
In some preferred embodiments of the present invention, the fifth stirring device 511 may adopt any conventional stirring device, such as a propeller stirrer, a turbine stirrer, a paddle stirrer, an anchor stirrer, a ribbon stirrer, a magnetic stirrer, a hinge stirrer, etc., but is not limited thereto.
Further, as shown in fig. 1, a fifth heating device 512 is disposed at the bottom of the iron phosphate reaction device 51, and the fifth heating device 512 is used for heating the material in the iron phosphate reaction device 51.
In some preferred embodiments of the present invention, the iron phosphate reaction device 51 is further provided with a phosphoric acid inlet 513, a hydrogen peroxide inlet 514, and a mixed material outlet; the phosphoric acid inlet 513 and the hydrogen peroxide inlet 514 are respectively used for inputting phosphoric acid and hydrogen peroxide, and the mixed material outlet is used for outputting the mixed material after the synthesis reaction; a mixed material inlet and a slag outlet are formed in the third solid-liquid separation device 52; the mixed material inlet is used for inputting the mixed material after the synthesis reaction, and is connected with the mixed material outlet on the iron phosphate reaction device 51; the slag outlet is used for outputting solid slag of which the main component is iron phosphate and which is separated by the third solid-liquid separation device 52; a slag inlet and a ferric phosphate discharge hole 531 are formed in the sintering device 53; the slag inlet is used for inputting the solid slag of which the main component is the iron phosphate, and is connected with the slag outlet on the third solid-liquid separation device 52; and the iron phosphate discharge hole 531 is used for outputting iron phosphate.
Further, as shown in fig. 1, the first solid-liquid separation device 13, the second solid-liquid separation device 3, and the third solid-liquid separation device 52 include at least one of a filter press, a centrifuge, and a vacuum filter.
The utility model also provides a titanium dioxide production system, include as above artificial rutile's production system.
While particular embodiments of the present invention have been illustrated and described, it will be appreciated that the above embodiments are merely illustrative of the technical solution of the present invention and are not restrictive; those of ordinary skill in the art will understand that: modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some or all of the technical features thereof, without departing from the spirit and scope of the present invention; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; it is therefore intended to cover in the appended claims all such alternatives and modifications that are within the scope of the invention.
Claims (10)
1. The production system of the artificial rutile is characterized by comprising an artificial rutile preparation device, and a first polymeric ferric sulfate preparation device, a second polymeric ferric sulfate preparation device and a ferric phosphate preparation device which are respectively connected with the artificial rutile preparation device;
the artificial rutile preparation device is used for preparing artificial rutile and comprises a first reaction device, a second reaction device, a first solid-liquid separation device and a calcination device which are sequentially connected;
the first solid-liquid separation device is connected with the first polymeric ferric sulfate preparation device, and the first polymeric ferric sulfate preparation device is used for preparing first polymeric ferric sulfate;
the other end of the first reaction device is connected with a second solid-liquid separation device;
the other end of the second solid-liquid separation device is respectively connected with the second polymerized iron sulfate preparation device and the iron phosphate preparation device; the second polymerized ferric sulfate preparation device is used for preparing second polymerized ferric sulfate, and the ferric phosphate preparation device is used for preparing ferric phosphate.
2. The synthetic rutile production system of claim 1, wherein a first stirring device is arranged in the first reaction device, and the first stirring device is used for uniformly mixing materials in the first reaction device;
and a second stirring device is arranged in the second reaction device and used for uniformly mixing materials in the second reaction device.
3. The synthetic rutile production system of claim 1, wherein the bottom end of the first reaction device is provided with a first heating device, and the first heating device is used for heating materials in the first reaction device;
and a second heating device is arranged at the bottom end of the second reaction device and used for heating the materials in the second reaction device.
4. The synthetic rutile production system of claim 1, wherein the first polymeric ferric sulfate production device comprises a third reaction device connected with the first solid-liquid separation device and a third stirring device arranged inside the third reaction device;
the second polymerized iron sulfate preparation device comprises a fourth reaction device connected with the second solid-liquid separation device and a fourth stirring device arranged in the fourth reaction device.
5. The synthetic rutile production system of claim 4, wherein the bottom end of the third reaction device is provided with a third heating device, and the third heating device is used for heating materials in the third reaction device;
and a fourth heating device is arranged at the bottom end of the fourth reaction device and used for heating materials in the fourth reaction device.
6. The synthetic rutile production system of claim 1, wherein the iron phosphate preparation device comprises an iron phosphate reaction device, a third solid-liquid separation device and a sintering device which are connected in sequence; and the iron phosphate reaction device is connected with the second solid-liquid separation device.
7. The synthetic rutile production system of claim 6, wherein a fifth stirring device is arranged in the iron phosphate reaction device, and the fifth stirring device is used for uniformly mixing materials in the iron phosphate reaction device.
8. The synthetic rutile production system of claim 6, wherein the bottom of the iron phosphate reaction device is provided with a fifth heating device, and the fifth heating device is used for heating the material in the iron phosphate reaction device.
9. The synthetic rutile production system of claim 6 wherein the first solid-liquid separation device, the second solid-liquid separation device, and the third solid-liquid separation device comprise at least one of a filter press, a centrifuge, and a vacuum filter.
10. A titanium dioxide production system comprising the synthetic rutile production system according to any one of claims 1 to 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116477659A (en) * | 2023-04-25 | 2023-07-25 | 广东粤桥新材料科技有限公司 | Method for co-producing artificial rutile and ferric phosphate |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116477659A (en) * | 2023-04-25 | 2023-07-25 | 广东粤桥新材料科技有限公司 | Method for co-producing artificial rutile and ferric phosphate |
| CN116477659B (en) * | 2023-04-25 | 2024-04-26 | 广东粤桥新材料科技有限公司 | Method for co-producing artificial rutile and ferric phosphate |
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