CN112266016A - Acidolysis reaction device in sulfuric acid process titanium white powder technology - Google Patents

Acidolysis reaction device in sulfuric acid process titanium white powder technology Download PDF

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Publication number
CN112266016A
CN112266016A CN202011225556.2A CN202011225556A CN112266016A CN 112266016 A CN112266016 A CN 112266016A CN 202011225556 A CN202011225556 A CN 202011225556A CN 112266016 A CN112266016 A CN 112266016A
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CN
China
Prior art keywords
rotating shaft
sulfuric acid
reaction
acidolysis reaction
titanium dioxide
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Pending
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CN202011225556.2A
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Chinese (zh)
Inventor
曲以臣
马文
曹欢
张盈盈
许庆民
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SHANDONG DAWN TITANIUM INDUSTRY CO LTD
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SHANDONG DAWN TITANIUM INDUSTRY CO LTD
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Priority to CN202011225556.2A priority Critical patent/CN112266016A/en
Publication of CN112266016A publication Critical patent/CN112266016A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00Compounds of titanium
    • C01G23/04Oxides; Hydroxides
    • C01G23/047Titanium dioxide
    • C01G23/053Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention provides a device for acidolysis reaction in a sulfuric acid method titanium dioxide process, which comprises a reaction kettle, wherein a heating device is arranged at the bottom of the reaction kettle, a discharge hole is formed in the bottom of the reaction kettle, a feed inlet is formed in one side of the top of the reaction kettle, an installation hole is formed in the center of the top of the reaction kettle, an installation cover is connected to the installation hole through a flange, a rotating shaft is rotatably arranged on the installation cover, a driving device is connected to the top of the rotating shaft, an expansion head is arranged at the bottom of the rotating shaft, and a plurality of soft chains are connected to the rotating shaft above the expansion head. Mainly relates to the field of reaction vessels. The invention has the beneficial effects that: the invention can effectively defoam the foam generated by the reaction, thereby avoiding tank overflow, ensuring normal reaction and protecting the personal safety of workers during operation.

Description

Acidolysis reaction device in sulfuric acid process titanium white powder technology
Technical Field
The invention mainly relates to the field of reaction vessels, in particular to a device for acidolysis reaction in a sulfuric acid method titanium dioxide process.
Background
The production of titanium dioxide mainly comprises a sulfuric acid method and a chlorination method, the sulfuric acid method has the history for more than 80 years, the production process is mature, compared with the chlorination method, the production method has the advantages of simple equipment and operation, low production cost, less factory building investment and low raw material price, and is widely applied to the titanium dioxide industry.
When the titanium dioxide is prepared by the sulfuric acid method, the added powdery ilmenite is subjected to acidolysis mainly by using certain high temperature and pressure conditions generated by dilution heat of sulfuric acid and reaction heat. In the reaction process, due to the stirring of the stirring device in the reaction tank and the gas generated in the reaction, tank overflow can occur frequently, danger is easy to occur, and the personal safety of workers can be threatened.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a device for acidolysis reaction in a titanium dioxide process by a sulfuric acid method, which can effectively defoam foams generated by the reaction, thereby avoiding tank overflow, ensuring normal reaction and protecting the personal safety of workers during operation.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an acidolysis is device for reaction in sulfuric acid process titanium white powder technology, includes reation kettle, the reation kettle bottom sets up heating device, the reation kettle bottom sets up the discharge gate, reation kettle top one side sets up the dog-house, reation kettle top center sets up the mounting hole, flange joint installation lid on the mounting hole, the rotation sets up the pivot on covering, the pivot is passed the installation lid and is located inside reation kettle, the pivot top is connected with drive arrangement, the pivot bottom sets up the inflation head, connect a plurality of soft chains in the pivot of inflation overhead, when the pivot rotates, soft chain wholly covers reation kettle top region under the centrifugal force effect.
The mounting cover is characterized in that a buffer tank is arranged at the top of the mounting cover and is connected with the mounting cover in a sealing mode, the driving device is a motor, the motor is mounted on the inner wall of the mounting cover, and a motor shaft of the motor is connected with the rotating shaft through a coupling.
The expansion head is in an ellipsoid shape and is used as the interval of the soft chain.
The soft chain is a chain, a plurality of hanging rings are circumferentially arranged at the bottom of the rotating shaft, and the soft chain is connected to the hanging rings.
The hanging rings are arranged in multiple layers, and the hanging rings on each layer are arranged in a staggered mode.
Each soft chain is provided with a plurality of spines.
A plurality of grooves are formed in the outer wall of the expansion head and correspond to the soft chains.
And the bottom of the soft chain is provided with a weight-balancing ball, and the weight of each weight-balancing ball is different.
Compared with the prior art, the invention has the beneficial effects that:
the reaction kettle is used as a reaction site of the titanium dioxide, the bottom of the reaction kettle is provided with a stirring device, a large amount of heat can be released in the dilution of concentrated sulfuric acid and the reaction with raw material ores, and ilmenite can be sufficiently acidolyzed under the conditions of heat and certain pressure. Along with the stirring of the going on of reaction and agitating unit, can produce the foam in reation kettle, along with the stack of foam, overflow from the cover department at top very easily, take place the tank overflow phenomenon to influence the normal clear of acidolysis reaction, cause the threat to personnel's personal safety simultaneously.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural diagram of the defoaming device of the present invention;
fig. 3 is a partially enlarged structural diagram of the part a of the invention.
Reference numerals shown in the drawings: 1. a reaction kettle; 2. a heating device; 3. a discharge port; 4. a feeding port; 5. mounting holes; 6. installing a cover; 7. a rotating shaft; 8. a drive device; 9. an expansion head; 10. a soft chain; 11. a buffer tank; 12. hanging a ring; 13. pricking with a sharp point; 14. a trench; 15. and (4) weighing the ball.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in the figures 1-3, the device for acidolysis reaction in the sulfuric acid method titanium dioxide process comprises a reaction kettle 1, wherein the reaction kettle 1 is a conventional reaction kettle, the bottom of the reaction kettle is provided with a stirring blade, and the stirring blade is driven to rotate by a driving motor at one side of the reaction kettle so as to fully mix materials in the reaction kettle. 1 bottom installation heating device 2 of reation kettle, heating device 2 is electric heating plate or electric heating rod, can carry out the primary heating to the material in reation kettle 1 to reach the emergence condition of reaction. The bottom of the reaction kettle 1 is provided with a discharge port 3, one side of the top of the reaction kettle 1 is provided with a feed port 4, and the discharge port 3 and the feed port 4 are both in a closed state during reaction. The discharge port 3 is connected with a spiral discharging machine, and the material is guided out through the spiral discharging machine after the reaction is completed. A mounting hole 5 is formed in the center of the top of the reaction kettle 1, a mounting cover 6 is connected to the mounting hole 5 through a flange, a rotating shaft 7 is rotatably mounted on the mounting cover 6, and the rotating shaft 7 penetrates through the mounting cover 6 and is located inside the reaction kettle 1. And a sealing device is filled between the rotating shaft 7 and the mounting cover 6 to ensure the pressure in the reaction kettle. The top of the rotating shaft 7 is connected with a driving device 8, in the embodiment, the driving device 8 adopts a motor, and a motor shaft of the motor is connected with the rotating shaft 7 through a coupler. The bottom of the rotating shaft 7 is provided with an expansion head 9, the rotating shaft 7 above the expansion head 9 is connected with a plurality of soft chains 10, and when the rotating shaft 7 rotates, the whole soft chain 10 covers the top area of the reaction kettle 1 under the action of centrifugal force. And along with the rotation of the rotating shaft 7, the soft chain 10 is thrown up and integrally rotates in a conical shape above the reaction kettle 1, and foams gradually reacted in the reaction kettle 1 are punctured for defoaming. The rotation of driving soft chain 10 through the pivot can effectually eliminate the foam that produces in the reaction process, prevents that the foam from overflowing and taking place the tank overflow accident at the opening at reation kettle 1 top, ensures the cleanness of environment and the personal safety of staff.
Specifically, 6 top sealing connection buffer tank 11 of installation lid, buffer tank 11 and 6 sealing connection of installation lid, drive arrangement 8 is the motor, the motor bolt is installed on 6 inner walls of installation lid, the motor shaft and the pivot 7 of motor pass through the coupling joint. Through the setting of buffer tank 11, can carry out the secondary to the junction between countershaft and the installation lid and seal to the pressure in the guarantee reation kettle.
Specifically, the expansion head 9 is in an ellipsoid shape, and the expansion head 9 is used as a space of the soft chain 10. The expansion head 9 is arranged at the bottom of the rotating shaft 7, the soft chain 10 is connected to the rotating shaft above the expansion head 9, and when the soft chain 10 freely droops, the top of the soft chain 10 is separated by the expansion head 9, so that the problem of winding and knotting caused by contact among the soft chains 10 is avoided.
Specifically, the soft chain 10 is a chain, a plurality of hanging rings 12 are circumferentially arranged at the bottom of the rotating shaft 7, and the soft chain 10 is connected to the hanging rings 12. The hanging ring 12 is used as a mounting part of the soft chain 10, and the hanging ring 12 does not influence the free sagging of the soft chain 10 and the rotating state after the soft chain is subjected to centrifugal force, so that the soft chain can be fully contacted with foam, and a better defoaming effect is achieved.
Specifically, in one embodiment, the hanging ring 12 has multiple layers, and the hanging rings 12 on each layer are arranged in a staggered manner. Each layer of hanging ring 12 corresponds to each layer of soft chain 10, and the layering of soft chain 10 is realized through the layering of hanging ring 12 to can make soft chain 10 divide into the multilayer after rotatory, play better defoaming effect to the foam.
Specifically, in one embodiment, a plurality of spikes 13 are tied to each of the soft chains 10. The spine is formed by binding the stainless steel wire, and when the soft chain rotates, the part with the spine can have a better defoaming effect on the foam.
Specifically, a plurality of grooves 14 are formed in the outer wall of the expansion head 9, and the grooves 14 correspond to the soft chains 10. When the rotating shaft 7 stops rotating, the soft chains 10 can be clamped in the grooves 14, so that hooking among the soft chains 10 is reduced, and the soft chains can play the best defoaming role when rotating along with the rotating shaft 7.
Specifically, in one embodiment, the bottom of the soft chain 10 is provided with the weight-balancing balls 15, and the weight of each weight-balancing ball 15 is different. It should be noted that, when the weight-balancing ball 15 is used, the hanging ring 12 is designed to be a layer, so as to prevent the soft chain 10 between layers from being hooked between layers due to different weights of the weight-balancing ball 15.
When the device is used, a large amount of foam can be generated in the reaction kettle along with the reaction and the stirring of the stirring device at the bottom of the reaction kettle. At the moment, the driving device is started to drive the rotating shaft to rotate, the rotating shaft drives the soft chain at the bottom to rotate, the foam can be continuously punctured, and the bubbles in the foam are punctured one by one, so that the defoaming effect is achieved, and the tank overflow is prevented.

Claims (8)

1. The utility model provides a device for acidolysis reaction in sulfuric acid process titanium white powder technology, includes reation kettle (1), its characterized in that: the reactor is characterized in that a heating device (2) is arranged at the bottom of the reactor (1), a discharge port (3) is arranged at the bottom of the reactor (1), a feed inlet (4) is formed in one side of the top of the reactor (1), a mounting hole (5) is formed in the center of the top of the reactor (1), a flange connection mounting cover (6) is arranged on the mounting hole (5), a rotating shaft (7) is arranged on the mounting cover (6) in a rotating mode, the rotating shaft (7) penetrates through the mounting cover (6) to be located inside the reactor (1), a driving device (8) is connected to the top of the rotating shaft (7), an expansion head (9) is arranged at the bottom of the rotating shaft (7), a plurality of soft chains (10) are connected to the rotating shaft (7) above the expansion head (9), and when the rotating shaft (7) rotates, the soft chains (10) wholly cover the top of the.
2. The device for acidolysis reaction in the sulfuric acid method titanium dioxide process according to claim 1, characterized in that: the installation lid (6) top sets up buffer tank (11), buffer tank (11) and installation lid (6) sealing connection, drive arrangement (8) are the motor, the motor is installed on installation lid (6) inner wall, the motor shaft and pivot (7) of motor pass through the coupling joint.
3. The device for acidolysis reaction in the sulfuric acid method titanium dioxide process according to claim 1, characterized in that: the expansion heads (9) are in an ellipsoid shape, and the expansion heads (9) are used as intervals of the soft chains (10).
4. The device for acidolysis reaction in the sulfuric acid method titanium dioxide process according to claim 1, characterized in that: the soft chain (10) is a chain, a plurality of hanging rings (12) are circumferentially arranged at the bottom of the rotating shaft (7), and the soft chain (10) is connected to the hanging rings (12).
5. The device for acidolysis reaction in the sulfuric acid method titanium dioxide process according to claim 4, characterized in that: the hanging rings (12) are arranged in multiple layers, and the hanging rings (12) on each layer are arranged in a staggered mode.
6. The device for acidolysis reaction in the sulfuric acid method titanium dioxide process according to any one of claims 4-5, wherein: each soft chain (10) is provided with a plurality of spikes (13).
7. The device for acidolysis reaction in the sulfuric acid method titanium dioxide process according to any one of claims 1-5, wherein: a plurality of grooves (14) are formed in the outer wall of the expansion head (9), and the grooves (14) correspond to the soft chain (10).
8. The device for acidolysis reaction in the sulfuric acid method titanium dioxide process according to any one of claims 1-5, wherein: and the bottom of the soft chain (10) is provided with a weight-balancing ball (15), and the weight of each weight-balancing ball (15) is different.
CN202011225556.2A 2020-11-05 2020-11-05 Acidolysis reaction device in sulfuric acid process titanium white powder technology Pending CN112266016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011225556.2A CN112266016A (en) 2020-11-05 2020-11-05 Acidolysis reaction device in sulfuric acid process titanium white powder technology

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Application Number Priority Date Filing Date Title
CN202011225556.2A CN112266016A (en) 2020-11-05 2020-11-05 Acidolysis reaction device in sulfuric acid process titanium white powder technology

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CN112266016A true CN112266016A (en) 2021-01-26

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0975610A (en) * 1995-09-08 1997-03-25 Sumitomo Bakelite Co Ltd Rotary blade type defoaming apparatus of reaction tank
CN103055551A (en) * 2013-01-10 2013-04-24 江南大学 Mechanical defoaming device applied to stirred tank reactor
CN205999384U (en) * 2016-08-29 2017-03-08 津药瑞达(许昌)生物科技有限公司 A kind of amino acids production fermentation tank with defoaming function
CN108236794A (en) * 2017-04-14 2018-07-03 新兴重工湖北三六机械有限公司 A kind of fire foam defoaming device
CN207913588U (en) * 2017-10-31 2018-09-28 华蓥市铜堡初级中学 A kind of agitating device
CN208959843U (en) * 2018-08-20 2019-06-11 四川顶立胶业有限公司 A kind of reaction kettle feeding device
CN211586594U (en) * 2019-12-26 2020-09-29 山东万圣博化工有限公司 Isolating agent defoaming cauldron

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0975610A (en) * 1995-09-08 1997-03-25 Sumitomo Bakelite Co Ltd Rotary blade type defoaming apparatus of reaction tank
CN103055551A (en) * 2013-01-10 2013-04-24 江南大学 Mechanical defoaming device applied to stirred tank reactor
CN205999384U (en) * 2016-08-29 2017-03-08 津药瑞达(许昌)生物科技有限公司 A kind of amino acids production fermentation tank with defoaming function
CN108236794A (en) * 2017-04-14 2018-07-03 新兴重工湖北三六机械有限公司 A kind of fire foam defoaming device
CN207913588U (en) * 2017-10-31 2018-09-28 华蓥市铜堡初级中学 A kind of agitating device
CN208959843U (en) * 2018-08-20 2019-06-11 四川顶立胶业有限公司 A kind of reaction kettle feeding device
CN211586594U (en) * 2019-12-26 2020-09-29 山东万圣博化工有限公司 Isolating agent defoaming cauldron

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Application publication date: 20210126

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