CN202717598U - Reactor for preparation of iron oxide red - Google Patents
Reactor for preparation of iron oxide red Download PDFInfo
- Publication number
- CN202717598U CN202717598U CN2012204319402U CN201220431940U CN202717598U CN 202717598 U CN202717598 U CN 202717598U CN 2012204319402 U CN2012204319402 U CN 2012204319402U CN 201220431940 U CN201220431940 U CN 201220431940U CN 202717598 U CN202717598 U CN 202717598U
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- retort
- stirring rake
- frequency motor
- reactor
- iron oxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model relates to a reactor for preparation of iron oxide red. The reactor is composed of a reaction tank, a variable frequency motor, a main shaft, stirring paddles, a heating coil, an aeration disc, and a cone-shaped air distributing plate, wherein the top of the reaction tank is provided with the variable frequency motor and the main shaft, the main shaft is provided with two stirring paddles, the cone-shaped air distributing plate is arranged on the inner wall of the reaction tank and between the two stirring paddles, and the bottom of the reaction tank is provided with the heating coil and the aeration disc. The variable frequency motor is controlled by a transducer to achieve different stirring speed rates to control mixing uniformity of liquid in the reaction tank. Air needed by reaction enters the reaction tank through the bottom of the aeration disc and is evenly dispersed for the second time when rising to the cone-shaped air distributing plate.
Description
Technical field
The utility model designs the reactor of the preparation red iron oxide in a kind of mineral dye red iron oxide production system, is specifically related to a kind of gas-liquid-solid phase reaction device for preparing iron oxide red.
Background technology
Iron oxide pigment is important mineral dye, and red iron oxide is more common a kind of.At present, the method for production ferric oxide red colorant is mainly dry method and wet method.In the dry production process, produce waste gas, environmental pollution is more serious, not a large amount of the use; Wet method is the at present industrial method that generally adopts, and makes in the production technique of red iron oxide in wet method, generally adopts cylindric retort to react.In the reaction raw materials copperas solution adding retort, add sodium hydroxide solution and regulate the pH value, at a certain temperature, pass into air from the retort bottom, and constantly stirring makes it reaction, until mill base reaches needed state in the retort.At this moment, stopped reaction is delivered to filtering unit with the reaction material liquid pump, after through washing, dry and packing, be finished product.
In the Wet Method Reaction production red iron oxide process, the degree of mixing of gas-liquid-solid three-phase has material impact to reaction efficiency and quality product.Only have gas-liquid-solid fully to contact, just can reach the consumption that economizes in raw materials, raise the efficiency the purpose with quality product.Along with iron oxide red output and demand constantly increase, newly-built iron oxide red project tonnage is all larger, thereby therefore the volume of the retort that adopts also raises.In the case, the gas-liquid-solid Flow Field Distribution is very important in the gas-liquid-solid phase reaction device, designs unreasonable will causing and reacts the dead angle, causes the reactor effective reacting volume to reduce, and reaction efficiency descends and the product particle skewness, and quality product descends.And rarely have the design for preparing the iron oxide red reactor in the present disclosed report, for example patent of invention " wet method is made the Processes and apparatus of red iron oxide " (CN1143049A) discloses a kind of production technique of red iron oxide, but requires simpler to conversion unit.Along with the increase of retort, there is some problems in the gas-liquid-solid three-phase mass transfer, need to carry out appropriate design.
Summary of the invention
The purpose of this utility model is to provide a kind of novel, practical preparation red iron oxide reactor with the air secondary distribution, to substitute traditional iron oxide red reaction container, realize improving homogeneity, the raising product percent of pass of retort effective rate of utilization, raising finished powder, reduce energy consumption.
The technical solution of the utility model: a kind of reactor for preparing red iron oxide is characterized in that being comprised of retort 3, variable-frequency motor 1, main shaft 2, taper dispersion plate 4, stationary installation 5, the first stirring rake 6A, the second stirring rake 6B, heating coil 7, aeration plate 8, blowdown interface 9 and thermometer 10; Wherein retort 3 top center are equipped with variable-frequency motor 1, variable-frequency motor 1 connects main shaft 2, main shaft 2 is installed respectively up and down the first stirring rake 6A and the second stirring rake 6B, taper dispersion plate 4 be fixed on the inwall of retort 3 by stationary installation 5 and its height in the middle of the first stirring rake 6A and the second stirring rake 6B, aeration plate 8 is equipped with in retort 3 bottoms, heating coil 7 is positioned at aeration plate 8 tops, the second stirring rake 6B is positioned at heating coil 7 tops, the first stirring rake 6A is positioned at the middle and upper part of retort 3, below, retort 3 sides is equipped with blowdown interface 9, and thermometer 10 is installed on middle and upper part, retort 3 side.
Utilize the Frequency Converter Control variable-frequency motor to realize different stir speed (S.S.)s, liquid mixing uniformity coefficient in the control retort; The bottom aeration plate passes into the reaction required air, and it is even by twice dispersing that air rises to taper dispersion plate place.
Preferred described taper dispersion plate be large mouthful upper, osculum under configuration; Described taper dispersion plate (4) is perforated panel, the hole of evenly distribute circular hole, square hole or other shapes; The area in each hole is 1 ~ 100cm
2Hole number on every square metre of taper dispersion plate is 80 ~ 5000; Preferred air distribution panel material is plastics or stainless steel, also can be the material of other alkali corrosion resistances.
The reaction raw materials copperas solution adds in the retort, then add sodium hydroxide solution and regulate the pH value, heating coil passes into steam, generally is heated to 75 ~ 90 ℃, passes into air from the retort bottom, start variable-frequency motor and drive the stirring rake Stirring, the air that enters from retort bottom aeration plate enters retort top after through the taper dispersion plate, and retort internal reaction material fully mixes, until when mill base reaches needed state in the retort, stopped reaction, reaction terminating.
Beneficial effect:
(1) the taper dispersion plate is installed between the retort stirring rake, the bubble that the bottom aeration plate occurs is forced twice dispersing, can effectively solve the homogeneity that aeration distributes in the large-scale retort, reduce the dead volume of retort.
(2) by the taper dispersion plate is installed, the adjusting bubble fully contacts with reaction raw materials, improves reaction yield and speed, the particle diameter uniformity coefficient of production control product iron oxide red.
(3) even flow field, gas-liquid-solid three-phase disperse to contact.Utilize the CFD numerical simulation technology to optimize the retort internal structure, obtain equally distributed flow field, reduce the reaction mass transfer resistance.
Description of drawings
Fig. 1 is that the utility model is for the preparation of the structural representation of the reactor of red iron oxide, wherein 1, variable-frequency motor, 2, main shaft, 3, retort, 4, taper dispersion plate, 5, stationary installation, 6A, the first stirring rake, 6B, the second stirring rake, 7, heating coil, 8, aeration plate, 9, the blowdown interface, 10, thermometer.
Embodiment
Embodiment 1:
Below in conjunction with accompanying drawing the utility model is described further: the utility model provide the preparation red iron oxide reactor structural scheme of mechanism as shown in Figure 1; Formed by retort, variable-frequency motor, main shaft, taper dispersion plate, stationary installation, the first stirring rake, the second stirring rake, heating coil, aeration plate, blowdown interface and thermometer; Wherein the retort top center is equipped with variable-frequency motor, variable-frequency motor connects main shaft, main shaft is installed respectively up and down the first stirring rake and the second stirring rake, the taper dispersion plate be fixed on the inwall of retort by stationary installation and its height in the middle of the first stirring rake and the second stirring rake, aeration plate is equipped with in the retort bottom, heating coil is positioned at the aeration plate top, the second stirring rake is positioned at the heating coil top, the first stirring rake is positioned at the middle and upper part of retort, below, retort side is equipped with the blowdown interface, and thermometer is installed on middle and upper part, retort side.Utilize the Frequency Converter Control variable-frequency motor to realize different stir speed (S.S.)s, liquid mixing uniformity coefficient in the control retort; The bottom aeration plate passes into the reaction required air, and it is even by twice dispersing that air rises to taper dispersion plate place; By passing into material in the steam heating reactor.
Embodiment 2:
The present embodiment device is with embodiment 1, and wherein the taper dispersion plate is cellular-plastic panels, and the surface has manhole, and hole area is 1cm
2, every square metre of hole number is 5000.
The reaction raw materials copperas solution adds in the retort, adding sodium hydroxide solution adjusting pH value is 8, heating coil passes into steam, under 75 ℃ of temperature, passes into air from the retort bottom, start variable-frequency motor and drive the stirring rake Stirring, the air that enters from retort bottom aeration plate enters retort top after through the taper dispersion plate, and retort internal reaction material fully mixes, behind the reaction 2.5h, mill base reaches requirement, stopped reaction in the retort.Compare with the popular response device, the reaction times reduces more than 30%, products obtained therefrom grain diameter homogeneous, and colourity reaches the quality product requirement.
Embodiment 3:
The present embodiment apparatus structure is with embodiment 1, and wherein the taper dispersion plate is the porous stainless steel plate, and the surface has square through hole, and the aperture is 10cm, and every square metre of hole number is 80.
The reaction raw materials copperas solution adds in the retort, adding sodium hydroxide solution adjusting pH value is 9, heating coil passes into steam, under 90 ℃ of temperature, passes into air from the retort bottom, start variable-frequency motor and drive the stirring rake Stirring, the air that enters from retort bottom aeration plate enters retort top after through the taper dispersion plate, and retort internal reaction material fully mixes, behind the reaction 2h, mill base reaches requirement, stopped reaction in the retort.Compare with the popular response device, the reaction times reduces more than 50%, products obtained therefrom grain diameter homogeneous, and colourity reaches the quality product requirement.
Claims (3)
1. a reactor for preparing red iron oxide is characterized in that being comprised of retort (3), variable-frequency motor (1), main shaft (2), taper dispersion plate (4), stationary installation (5), the first stirring rake (6A), the second stirring rake (6B), heating coil (7), aeration plate (8), blowdown interface (9) and thermometer (10); Wherein retort (3) top center is equipped with variable-frequency motor (1), variable-frequency motor (1) connects main shaft (2), main shaft (2) is installed respectively up and down the first stirring rake (6A) and the second stirring rake (6B), taper dispersion plate (4) be fixed on the inwall of retort (3) by stationary installation (5) and its height between the first stirring rake (6A) and the second stirring rake (6B) centre, aeration plate (8) is equipped with in retort (3) bottom, heating coil (7) is positioned at aeration plate (8) top, the second stirring rake (6B) is positioned at heating coil (7) top, the first stirring rake (6A) is positioned at the middle and upper part of retort (3), below, retort (3) side is equipped with blowdown interface (9), and thermometer (10) is installed on retort (3) middle and upper part, side.
2. reactor according to claim 1, it is characterized in that taper dispersion plate (4) for large mouthful upper, osculum under configuration.
3. reactor according to claim 1 is characterized in that described taper dispersion plate (4) is perforated panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204319402U CN202717598U (en) | 2012-08-28 | 2012-08-28 | Reactor for preparation of iron oxide red |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204319402U CN202717598U (en) | 2012-08-28 | 2012-08-28 | Reactor for preparation of iron oxide red |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202717598U true CN202717598U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204319402U Expired - Fee Related CN202717598U (en) | 2012-08-28 | 2012-08-28 | Reactor for preparation of iron oxide red |
Country Status (1)
| Country | Link |
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| CN (1) | CN202717598U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828873A (en) * | 2015-04-07 | 2015-08-12 | 江苏宇星工贸有限公司 | Oxidation reaction device for preparing iron oxide red |
| CN105481021A (en) * | 2015-12-04 | 2016-04-13 | 江苏宇星工贸有限公司 | Reaction tank for producing iron oxide red powder |
| CN105712408A (en) * | 2014-12-03 | 2016-06-29 | 镇江金盛源信息科技有限公司 | Iron oxide black preparation reactor |
| CN113477062A (en) * | 2021-07-26 | 2021-10-08 | 东台市顺达工业气体有限公司 | Acetylene gas purification device for desorbing waste sodium hypochlorite by acetylene purification |
-
2012
- 2012-08-28 CN CN2012204319402U patent/CN202717598U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712408A (en) * | 2014-12-03 | 2016-06-29 | 镇江金盛源信息科技有限公司 | Iron oxide black preparation reactor |
| CN104828873A (en) * | 2015-04-07 | 2015-08-12 | 江苏宇星工贸有限公司 | Oxidation reaction device for preparing iron oxide red |
| CN105481021A (en) * | 2015-12-04 | 2016-04-13 | 江苏宇星工贸有限公司 | Reaction tank for producing iron oxide red powder |
| CN113477062A (en) * | 2021-07-26 | 2021-10-08 | 东台市顺达工业气体有限公司 | Acetylene gas purification device for desorbing waste sodium hypochlorite by acetylene purification |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20140828 |
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| EXPY | Termination of patent right or utility model |