CN112915577A - Raw material storage device is used in inorganic chemical industry pigment production and processing - Google Patents
Raw material storage device is used in inorganic chemical industry pigment production and processing Download PDFInfo
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- CN112915577A CN112915577A CN202110199225.4A CN202110199225A CN112915577A CN 112915577 A CN112915577 A CN 112915577A CN 202110199225 A CN202110199225 A CN 202110199225A CN 112915577 A CN112915577 A CN 112915577A
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- seed crystal
- tank
- storage tank
- washing tower
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/02—Halides of titanium
- C01G23/022—Titanium tetrachloride
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/02—Halides of titanium
- C01G23/022—Titanium tetrachloride
- C01G23/024—Purification of tetrachloride
Abstract
The invention provides a raw material storage device for production and processing of inorganic chemical pigments, which comprises a seed crystal settling tank, a seed crystal storage tank and a waste seed crystal storage tank, wherein the seed crystal storage tank and the waste seed crystal storage tank are connected in parallel at a discharge port below the seed crystal settling tank; the bottom of the crystal seed storage tank is also connected with a washing tower through a pipeline, and the washing tower comprises a bottom storage tank, a washing tower body and a demister arranged at the top of the washing tower body; and the top end of the washing tower body is also provided with a washing tower fan for emptying gas to a safe place. The raw material storage device for producing and processing the inorganic chemical pigment can effectively realize the effect of storing the titanium tetrachloride crystal seeds, and can effectively improve the yield and the product quality in the preorder production process.
Description
Technical Field
The invention belongs to the technical field of inorganic chemical pigment production, and particularly relates to a raw material storage device for production and processing of inorganic chemical pigments.
Background
In the industrial production process of titanium dioxide, the storage of pigment crystal seeds is an extremely important link. The storage device must be fully flushed to ensure product quality. However, the existing seed crystal storage device is not completely cleaned, and the cleaning effect is not good, so the problem of how to eliminate the residual materials of the seed crystal preparation tank and the scouring of the tank wall of the equipment needs to be solved urgently, and the storage quality of titanium tetrachloride in the storage device can be well ensured.
Disclosure of Invention
The invention aims to provide a raw material storage device for producing and processing inorganic chemical pigments, which is used for solving the problems of material residue and quality reduction of the existing storage device for titanium tetrachloride crystal seeds.
The invention provides a raw material storage device for production and processing of inorganic chemical pigments, which comprises a seed crystal settling tank, a seed crystal storage tank and a waste seed crystal storage tank, wherein the seed crystal storage tank and the waste seed crystal storage tank are connected in parallel at a discharge port below the seed crystal settling tank;
the bottom of the crystal seed storage tank is also connected with a washing tower through a pipeline, and the washing tower comprises a bottom storage tank, a washing tower body and a demister arranged at the top of the washing tower body; the top end of the washing tower body is also provided with a washing tower fan for discharging gas to a safe place; and the bottom end of the bottom storage tank is used for conveying the spray water containing hydrochloric acid to the spray washing tower body at the top of the washing tower body through a washing liquid conveying pump, and the spray water after use is conveyed to a sewage station through the washing liquid conveying pump after the washing tower body is finished.
Furthermore, the side surface below the washing tower body is also connected with an emptying pipe, and the position of the emptying pipe is not lower than the highest point of the washing tower body.
Furthermore, the top of the crystal seed settling tank is connected with a process water conveying pipeline, a heater is arranged on the process water conveying pipeline to control the temperature of the process water, and a stirring device is also arranged in the crystal seed settling tank; the top of the crystal seed settling tank is connected with a crystal seed preparation tank through a pipeline, and the crystal seed settling tank washes the crystal seed suspension prepared in the crystal seed preparation tank by using process water to precipitate the crystal seeds.
Furthermore, the top of the seed crystal preparation groove is also connected with a dilution unit through a pipeline, and the titanium tetrachloride material diluted by the dilution unit enters the seed crystal preparation groove; the diluting unit comprises a diluting tank, a diluting mixer, a filter, a heat exchanger and a diluted storage tank, the top of the diluting tank comprises three feed inlets, and the feed is respectively hydrochloric acid, titanium tetrachloride, diluted titanium tetrachloride recycled in the process route and waste diluted titanium tetrachloride; the side surface of the lower end of the dilution tank is sequentially connected with a dilution mixer, a filter and a heat exchanger through pipelines, the top end of the dilution tank is connected with the storage tank after dilution, a pipeline is divided to be connected to the heat exchanger, and the material flows into the heat exchanger from the dilution tank; the heat exchanger is further connected to a diluted storage tank through a pipeline, and a stirring device is further arranged in the diluted storage tank.
Furthermore, the heat exchanger is provided with four connectors, a first connector, a second connector, a third connector and a fourth connector are arranged from the upper left corner counterclockwise respectively, the first connector is connected with the filter, the second connector is connected to a pipeline at the top end of the dilution tank and connected with the diluted storage tank, the third connector is connected to an outer pipe of circulating water, and the fourth connector is connected to a circulating water return outer pipe.
Has the advantages that:
1. the invention provides a raw material storage device for producing and processing inorganic chemical pigments, wherein the bottom of a seed crystal storage tank is also connected with a washing tower through a pipeline, and the washing tower comprises a bottom storage tank, a washing tower body and a demister arranged at the top of the washing tower body; the top end of the washing tower body is also provided with a washing tower fan for discharging gas to a safe place; the cleaning effect of the storage device can be well realized, the problems of residual materials of the crystal seed preparation tank and the scouring of the wall of the equipment tank can be solved, and the storage quality of titanium tetrachloride in the storage device can be well ensured;
2. the side surface below the washing tower body is also connected with an emptying pipe, and the position of the emptying pipe is not lower than the highest point of the washing tower body; the highest point on an emptying pipeline connecting the titanium tetrachloride crystal seed storage tank and the washing tower body is higher than the washing tower body so as to prevent titanium tetrachloride from flowing into the washing tower body through the emptying pipeline or washing water from flowing back into the crystal seed storage tank through the emptying pipeline;
3. the dilution unit provided by the invention can effectively prepare raw materials to be reacted, and the raw materials are reacted in the seed crystal preparation tank, so that the effects of continuous production, storage and transportation are realized, and the reaction yield is better improved.
Drawings
FIG. 1 is a schematic diagram of an apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a dilution unit according to an embodiment of the present invention;
FIG. 3 is a schematic view of a seed preparation tank according to an embodiment of the present invention.
The designations in the drawings have the following meanings:
100-a seed crystal settling tank 200-a seed crystal storage tank 300-a waste seed crystal storage tank 400-a seed crystal storage tank transport pump 500-a waste seed crystal storage tank transport pump 600-a washing tower 61-a bottom storage tank 62-a washing tower body 63-a demister 64-a washing tower fan 65-a washing liquid transport pump 66-an emptying pipe 11-a process water transport pipeline 12-a heater 13-a seed crystal settling tank stirring device 10-a seed crystal preparation tank 20-a dilution unit 21-a dilution tank 22-a dilution mixer 23-a filter 24-a heat exchanger 25-a diluted storage tank 26-a diluted storage tank stirring device 241-a first connector 242-a second connector 243-a third connector 244-a fourth connector 101-an acid and alkali resistant inclined plane 102-a baffle 211-a first feed inlet 212-a second feed inlet 213-a third feed inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a raw material storage device for inorganic chemical pigment production and processing, including a seed crystal settling tank 100, a seed crystal storage tank 200 and a waste seed crystal storage tank 300 connected in parallel to a discharge port below the seed crystal settling tank 100, wherein the bottom of the seed crystal storage tank 200 is connected to a seed crystal storage tank transportation pump 400 through a pipeline to transport seed crystals to a hydrolysis unit, and the bottom of the waste seed crystal storage tank 300 is connected to a waste seed crystal storage tank transportation pump 500 through a pipeline to transport waste seed crystals to a sewage treatment unit;
the bottom of the crystal seed storage tank 200 is also connected with a washing tower 600 through a pipeline, and the washing tower 600 comprises a bottom storage tank 61, a washing tower body 62 and a demister 63 arranged at the top of the washing tower body 62; the top end of the washing tower body 62 is also provided with a washing tower fan 64 for emptying gas to a safe place; the bottom end of the bottom storage tank 61 conveys the spray water containing hydrochloric acid to the top of the washing tower 62 through the washing liquid conveying pump 65, and after the spray water is used, the spray water is conveyed to the sewage station through the washing liquid conveying pump 65.
Further, the side surface below the washing tower body 62 is also connected with an emptying pipe 66, and the position of the emptying pipe 66 is not lower than the highest point of the washing tower body 62. The titanium tetrachloride seed crystal storage tank 200 should be connected to the scrubbing tower 62 at a higher peak in the vent line than the scrubbing tower 62 to avoid titanium tetrachloride flowing through the vent line into the scrubbing tower 62 or wash water flowing back through the vent line into the seed crystal storage tank 20.
In a further embodiment, a process water conveying pipeline 11 is connected to the top of the seed crystal settling tank 100, a heater 12 is arranged on the process water conveying pipeline 11 to control the temperature of the process water, and a seed crystal settling tank stirring device 13 is further arranged inside the seed crystal settling tank 100; the top of the seed crystal settling tank 100 is connected with a seed crystal preparation tank 10 through a pipeline, and the seed crystal settling tank 100 washes the seed crystal suspension prepared in the seed crystal preparation tank 10 by using process water, so that the seed crystal is settled after being separated out.
In a further embodiment, the top of the seed crystal preparation tank 10 is further connected with a dilution unit 20 through a pipeline, and the titanium tetrachloride material diluted by the dilution unit 20 enters the seed crystal preparation tank 10; the diluting unit 20 comprises a diluting tank 21, a diluting mixer 22, a filter 23, a heat exchanger 24 and a diluted storage tank 25, wherein the top of the diluting tank 21 comprises three feeding holes, namely a first feeding hole 211, a second feeding hole 212 and a third feeding hole 213, and the feeding holes are respectively hydrochloric acid, titanium tetrachloride, diluted titanium tetrachloride recycled in a process route and waste diluted titanium tetrachloride; the side surface of the lower end of the dilution tank 21 is also sequentially connected with a dilution mixer 22, a filter 23 and a heat exchanger 24 through pipelines, the top end of the dilution tank 21 is connected with the diluted storage tank 25, a pipeline is divided to be connected to the heat exchanger 24, and the material flows into the heat exchanger 24 from the dilution tank 21; the heat exchanger 24 is further connected to a post-dilution storage tank 25 through a pipeline, and a post-dilution storage tank stirring device 26 is further arranged in the post-dilution storage tank 25.
In a further embodiment, the heat exchanger 24 has four connection ports, starting from the upper left corner, counterclockwise, respectively, a first connection port 241, a second connection port 242, a third connection port 243 and a fourth connection port 244, the first connection port 241 is connected to the filter 23, the second connection port 242 is connected to a pipe at the top end of the dilution tank 21 connected to the diluted storage tank 25, the third connection port 243 is connected to the outer pipe of the circulating water, and the fourth connection port 244 is connected to the circulating water backwater outer pipe.
In a further embodiment, the seed preparation tank 10 is provided with an acid and alkali resistant inclined plane 101 at the bottom, a plurality of baffles 102 on the inner wall, and a stirring device (not shown) in the seed preparation tank 10.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The present invention is not limited to the above description of the embodiments, and those skilled in the art should, in light of the present disclosure, appreciate that many changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The raw material storage device for the production and processing of the inorganic chemical pigment is characterized by comprising a seed crystal settling tank (100), and a seed crystal storage tank (200) and a waste seed crystal storage tank (300) which are connected in parallel at a discharge port below the seed crystal settling tank (100), wherein the bottom of the seed crystal storage tank (200) is connected with a seed crystal storage tank transportation pump (400) through a pipeline to convey seed crystals to a hydrolysis unit, and the bottom of the waste seed crystal storage tank (300) is connected with a waste seed crystal storage tank transportation pump (500) through a pipeline to convey waste seed crystals to a sewage treatment unit;
the bottom of the seed crystal storage tank (200) is also connected with a washing tower (600) through a pipeline, and the washing tower (600) comprises a bottom storage tank (61), a washing tower body (62) and a demister (63) arranged at the top of the washing tower body (62); the top end of the washing tower body (62) is also provided with a washing tower fan (64) for emptying gas to a safe place; the bottom of the bottom storage tank (61) is used for conveying the spray water containing hydrochloric acid to the top of the washing tower body (62) through the washing liquid conveying pump (65), and after the washing tower body (62) is sprayed, the used spray water is conveyed to a sewage station through the washing liquid conveying pump (65).
2. The raw material storage device for the production and processing of inorganic chemical pigments is characterized in that a vent pipe (66) is further connected to the side surface below the washing tower body (62), and the position of the vent pipe (66) is not lower than the highest point of the washing tower body (62).
3. The raw material storage device for the production and processing of the inorganic chemical pigments is characterized in that a process water conveying pipeline (11) is connected to the top of the seed crystal settling tank (100), a heater (12) is arranged on the process water conveying pipeline (11) to control the temperature of the process water, and a seed crystal settling tank stirring device (13) is further arranged inside the seed crystal settling tank (100); the top of the seed crystal settling tank (100) is connected with a seed crystal preparation tank (10) through a pipeline, and the seed crystal settling tank (100) washes the seed crystal suspension liquid prepared in the seed crystal preparation tank (10) by using process water to precipitate the seed crystal.
4. The raw material storage device for producing and processing the inorganic chemical pigment according to claim 3, wherein the top of the seed crystal preparation tank (10) is further connected with a dilution unit (20) through a pipeline, and the titanium tetrachloride material diluted by the dilution unit (20) enters the seed crystal preparation tank (10); the diluting unit (20) comprises a diluting tank (21), a diluting mixer (22), a filter (23), a heat exchanger (24) and a diluted storage tank (25), wherein the top of the diluting tank (21) comprises three feeding holes, and the feeding materials are respectively hydrochloric acid, titanium tetrachloride, diluted titanium tetrachloride recycled in a process route and waste diluted titanium tetrachloride; the side surface of the lower end of the dilution tank (21) is sequentially connected with a dilution mixer (22), a filter (23) and a heat exchanger (24) through pipelines, the top end of the dilution tank (21) is connected with the diluted storage tank (25), a pipeline is divided to be connected to the heat exchanger (24), and the material flows into the heat exchanger (24) from the dilution tank (21); the heat exchanger (24) is further connected to a diluted storage tank (25) through a pipeline, and a diluted storage tank stirring device (26) is further arranged in the diluted storage tank (25).
5. The raw material storage device for producing and processing inorganic chemical pigments is characterized in that the heat exchanger (24) is provided with four connecting ports, a first connecting port (241), a second connecting port (242), a third connecting port (243) and a fourth connecting port (244) are respectively arranged from the upper left corner counterclockwise, the first connecting port (241) is connected with the filter (23), the second connecting port (242) is connected to a pipeline at the top end of the dilution tank (21) and connected with the diluted storage tank (25), the third connecting port (243) is connected to an outer pipe of circulating water, and the fourth connecting port (244) is connected to an outer pipe of circulating water backwater.
6. The raw material storage device for producing and processing the inorganic chemical industry pigment according to claim 3, wherein the inner bottom of the seed crystal preparation groove (10) is provided with an acid and alkali resistant inclined plane (101), and the inner wall of the seed crystal preparation groove is also provided with a plurality of baffle plates (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199225.4A CN112915577A (en) | 2021-02-22 | 2021-02-22 | Raw material storage device is used in inorganic chemical industry pigment production and processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199225.4A CN112915577A (en) | 2021-02-22 | 2021-02-22 | Raw material storage device is used in inorganic chemical industry pigment production and processing |
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| Publication Number | Publication Date |
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| CN112915577A true CN112915577A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110199225.4A Withdrawn CN112915577A (en) | 2021-02-22 | 2021-02-22 | Raw material storage device is used in inorganic chemical industry pigment production and processing |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724339A (en) * | 2005-06-30 | 2006-01-25 | 武汉方圆钛白粉有限责任公司 | Process of industrialize for waste acid concentrition recovering used in titanium white production by sulfuric acid method |
| CN102432066A (en) * | 2011-09-29 | 2012-05-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing titanium tetrachloride hydrolyzed crystal seed |
| CN102502549A (en) * | 2011-10-27 | 2012-06-20 | 华东理工大学 | Device for continuously separating and purifying phosphoric acid and application thereof in preparation of food-grade phosphoric acid |
| CN102616842A (en) * | 2012-04-01 | 2012-08-01 | 攀枝花新中钛科技有限公司 | Method for preparing titanium white |
| CN212141896U (en) * | 2019-07-11 | 2020-12-15 | 江苏飓风环保科技有限公司 | Waste gas washing tower |
| CN112357966A (en) * | 2020-11-04 | 2021-02-12 | 成都千砺金科技创新有限公司 | Crystallization method of ferrous sulfate heptahydrate in production process of titanium dioxide by sulfuric acid method |
-
2021
- 2021-02-22 CN CN202110199225.4A patent/CN112915577A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724339A (en) * | 2005-06-30 | 2006-01-25 | 武汉方圆钛白粉有限责任公司 | Process of industrialize for waste acid concentrition recovering used in titanium white production by sulfuric acid method |
| CN102432066A (en) * | 2011-09-29 | 2012-05-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing titanium tetrachloride hydrolyzed crystal seed |
| CN102502549A (en) * | 2011-10-27 | 2012-06-20 | 华东理工大学 | Device for continuously separating and purifying phosphoric acid and application thereof in preparation of food-grade phosphoric acid |
| CN102616842A (en) * | 2012-04-01 | 2012-08-01 | 攀枝花新中钛科技有限公司 | Method for preparing titanium white |
| CN212141896U (en) * | 2019-07-11 | 2020-12-15 | 江苏飓风环保科技有限公司 | Waste gas washing tower |
| CN112357966A (en) * | 2020-11-04 | 2021-02-12 | 成都千砺金科技创新有限公司 | Crystallization method of ferrous sulfate heptahydrate in production process of titanium dioxide by sulfuric acid method |
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Application publication date: 20210608 |
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