CN109052484A - Brown iron oxide dechlorination device and its control method - Google Patents
Brown iron oxide dechlorination device and its control method Download PDFInfo
- Publication number
- CN109052484A CN109052484A CN201811250321.1A CN201811250321A CN109052484A CN 109052484 A CN109052484 A CN 109052484A CN 201811250321 A CN201811250321 A CN 201811250321A CN 109052484 A CN109052484 A CN 109052484A
- Authority
- CN
- China
- Prior art keywords
- iron oxide
- brown iron
- temperature
- controller
- screw conveyor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229940067573 brown iron oxide Drugs 0.000 title claims abstract description 66
- 238000006298 dechlorination reaction Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000010612 desalination reaction Methods 0.000 claims abstract description 31
- 238000001704 evaporation Methods 0.000 claims abstract description 16
- 230000008020 evaporation Effects 0.000 claims abstract description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000009533 lab test Methods 0.000 claims description 4
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- IZYOJOIBDJFMOI-UHFFFAOYSA-N [O-2].[Fe+2].[Cl+] Chemical compound [O-2].[Fe+2].[Cl+] IZYOJOIBDJFMOI-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 26
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- AFEXUNWJRCURNJ-UHFFFAOYSA-M iron(3+);oxygen(2-);chloride Chemical compound [O-2].[Cl-].[Fe+3] AFEXUNWJRCURNJ-UHFFFAOYSA-M 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide (Fe2O3)
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Abstract
The present invention relates to brown iron oxide production equipment, specifically a kind of brown iron oxide dechlorination device and its control method.Including controller, frequency converter, screw conveyor, screw conveyor is connected on the feed-line of brown iron oxide by its inlet port and outlet port, and the driving motor of screw conveyor connects frequency converter；Helical feed drive end unit is provided with high-temperature evaporation demineralized water mechanism, and high-temperature evaporation demineralized water mechanism is controlled by controller, sprays high-temperature evaporation demineralized water, high-temperature evaporation desalination water flow and brown iron oxide reverse flow to the brown iron oxide inside screw conveyor.The present invention can effectively remove the chloride ion in brown iron oxide, not influence the other component contents of brown iron oxide, high temperature gas flow can also play dehumidifying effect to brown iron oxide, to guarantee the quality and purity of brown iron oxide；Have the characteristics that constant dechlorination, automatic control, compact-sized, smooth running is reliable, treating capacity is big, operating cost is low, long service life.
Description
Technical field
The present invention relates to brown iron oxide production equipment, specifically a kind of brown iron oxide dechlorination device and its control method.
Background technique
Brown iron oxide is chiefly used in making ferrite magnetic material, and ferrite is a kind of important electronic device, is mainly used for
Manufacture various inductance elements, such as the magnetic head of the magnetic core of filter and transformer, recorder and video recorder.Ferrite magnetic material
Preparation needs the brown iron oxide of high-purity, and important detection project of the chloride ion content as brown iron oxide, content height are straight
Connect the physical property for influencing brown iron oxide.Therefore, the good brown iron oxide of preparation purity is high, physical characteristic must control its chloride ion
Content.
Currently, the content of chlorine is controlled by brown iron oxide production process in brown iron oxide, removed without the special later period
Chlorine process, has that dechlorination effect is unstable, the larger problem of fluctuation, it is difficult to meet production ferrite magnetic material and want to chlorine index
It asks.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of brown iron oxide dechlorination device and its control methods, to go deoxygenation
Change remaining chloride ion in iron powder, guarantees the quality and purity of brown iron oxide.
The technical solution used to solve the technical problems of the present invention is that:
A kind of brown iron oxide dechlorination device, including controller, frequency converter, screw conveyor, screw conveyor pass through its feed inlet
It is connected on the feed-line of brown iron oxide with discharge port, the driving motor of screw conveyor connects frequency converter；Screw conveyor
Tail portion is provided with high-temperature evaporation demineralized water mechanism, and high-temperature evaporation demineralized water mechanism is controlled by controller, to the inside of screw conveyor
Brown iron oxide spray high-temperature evaporation demineralized water, high-temperature evaporation desalination water flow and brown iron oxide reverse flow.
By adopting the above technical scheme compared with prior art, the present invention beneficial effect is:
Effectively the chloride ion in brown iron oxide can be removed, not influence the other component contents of brown iron oxide, high temperature gas flow is also
Dehumidifying effect can be played to brown iron oxide, to guarantee the quality and purity of brown iron oxide；With constant dechlorination, automatic control
System, the characteristics of compact-sized, smooth running is reliable, treating capacity is big, operating cost is low, long service life.
Further, prioritization scheme of the invention is:
The high-temperature evaporation demineralized water mechanism includes desalination water input conduit, burner heater, the connection of desalination water input conduit
Burner heater, burner heater connect screw conveyor, are equipped with desalination water regulating valve on desalination water input conduit, burner adds
Temperature sensor is installed, burner heater configuration has a combustion fan, desalination water regulating valve, temperature sensor, combustion-supporting on hot device
The gas regulator of blower and burner heater is connected to controller.
A kind of control method of brown iron oxide dechlorination device, includes the following steps:
A, start combustion fan and burner heater, the combustion medium burning in burner heater generates high temperature gas flow；
B, the high temperature gas flow temperature value in burner heater is sent to controller by temperature sensor, controller by the temperature value with
Temperature upper limit value is compared, and when which is greater than temperature upper limit value, controller starts screw conveyor by frequency converter
Driving motor, screw conveyor convey brown iron oxide；
C, controller opens desalination water regulating valve, conveys demineralized water to burner heater, demineralized water is sprayed into burner heater
When encounter high temperature gas flow after be vaporized, high temperature gas flow carry vaporization after hydrone jointly to screw conveyor head flow,
Come into full contact with brown iron oxide and adsorb chloride ion therein during this, then by the discharge of helical feed chain-drive section containing chlorine from
The air-flow of son；
D, by burner heater high temperature air-flow actual temperature value real-time transmission to controller, temperature value is greater than to be set temperature sensor
Definite value, controller reduce the aperture of gas regulator, and temperature value is less than setting value, and controller increases the aperture of gas regulator；
E, controller contains according to demineralized water the amount of injection needed for the adjustment of brown iron oxide conveying capacity referring concurrently to brown iron oxide chloride ion
Result of laboratory test is measured compared with controlling value, optimizes and revises the proportionality coefficient of demineralized water the amount of injection Yu brown iron oxide conveying capacity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is dechlorination process control flow figure；
In figure: controller 1；Desalination water inlet 2；Desalination water regulating valve 3；Desalination water input conduit 4；Temperature sensor 5；Burner adds
Hot device 6；Combustion fan 7；Gas regulator 8；Fuel gas inlet 9；Brown iron oxide outlet 10；Screw conveyor 11；Driving motor 12；
Brown iron oxide entrance 13；Frequency converter 14.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, a kind of brown iron oxide dechlorination device, by controller 1, frequency converter 14, screw conveyor 11 and high temperature vapour
Salt water mechanism composition is eliminated, screw conveyor 11 is connected to iron oxide by its brown iron oxide entrance 13 and brown iron oxide outlet 10
On the feed-line of powder, the driving motor 12 of screw conveyor 11 connects frequency converter 14, and driving motor 12 is variable-frequency motor, passes through
14 speed regulating control driving motor 12 of frequency converter realizes the adjusting to brown iron oxide conveying speed and weight.
High-temperature evaporation demineralized water mechanism is arranged in 11 tail portion of screw conveyor, by desalination water input conduit 4, burner heater
6, the components such as combustion fan 7 are constituted, and 4 one end of desalination water input conduit connects desalination water inlet 2, and the other end connects burner heater
6, desalination water regulating valve 3 is installed on desalination water input conduit 4, desalination water regulating valve 3 connects controller 1, by controller 1 from
Dynamic control demineralized water the amount of injection；Using coke-stove gas or blast furnace gas as combustion medium, fuel gas inlet 9 is equipped with burner heater 6
Gas regulator 8, gas regulator 8 connect controller 1, adjust gas flow in real time by controller 1；On burner heater 6
Temperature sensor 5 is installed, temperature sensor 5 connects controller 1, and temperature sensor 5 is by the high temperature gas flow in burner heater 6
Temperature value real-time transmission is to controller 1, to realize the thermostatic control of high temperature gas flow；Combustion fan 7 is provided for burner heater 6 and is helped
Wind is fired, combustion air and gas-fired generate high temperature gas flow, and combustion fan 7 connects controller 1, send by the automatic control of controller 1
Air quantity；Burner heater 6 connects screw conveyor 11, sprays high-temperature evaporation desalination to the brown iron oxide inside screw conveyor 11
Water, high-temperature evaporation desalination water flow are entered by 11 tail portion of screw conveyor, with brown iron oxide reverse flow, come into full contact with and adsorb
Chloride ion in brown iron oxide, then send 11 head of machine to be discharged by spiral, and the brown iron oxide to have dechlorinated is then exported by brown iron oxide
10 are discharged and enter next process.
Referring to fig. 2, the control method of brown iron oxide dechlorination device described in the present embodiment carries out as follows:
A, start combustion fan 7 and burner heater 6, the combustion medium burning in burner heater 6 generates high temperature gas flow；
B, the high temperature gas flow temperature value in burner heater 6 is sent to controller 1 by temperature sensor 5, and controller 1 is by the temperature
Value is compared with temperature upper limit value, and when which is greater than temperature upper limit value, controller 1 starts spiral transferring by frequency converter 14
The driving motor 12 of machine 11 is sent, screw conveyor 11 conveys brown iron oxide；
C, controller 1 opens desalination water regulating valve 3, conveys demineralized water to burner heater 6, demineralized water is into burner heater 6
It is vaporized after encountering high temperature gas flow when injection, high temperature gas flow carries the hydrone after vaporization jointly to 11 header stream of screw conveyor
It is dynamic, it is come into full contact in the process with brown iron oxide and adsorbs chloride ion therein, be then discharged by 11 head of screw conveyor
Air-flow containing chloride ion；
D, for temperature sensor 5 by 6 high temperature air-flow actual temperature value real-time transmission of burner heater to controller 1, temperature value is big
In setting value, controller 1 reduces the aperture of gas regulator 8, and temperature value is less than setting value, and controller 1 increases gas regulator 8
Aperture；
E, controller 1 is according to demineralized water the amount of injection needed for the adjustment of brown iron oxide conveying capacity, referring concurrently to brown iron oxide chloride ion
Content result of laboratory test optimizes and revises the proportionality coefficient of demineralized water the amount of injection Yu brown iron oxide conveying capacity compared with controlling value.
The air-flow thermostatic control of the burner heater 6 of the present embodiment is adjusted by pid loop in controller 1 and is realized, temperature passes
Sensor 5 acquires air-flow actual temperature, and PID adjusts gas regulator 8 according to the deviation of set temperature and air-flow actual temperature in real time
Aperture；When air-flow actual temperature is lower than set temperature, the aperture of big gas regulator 8 is opened, when air-flow actual temperature is higher than
When set temperature, the aperture of gas regulator 8 is turned down；Demineralized water flow control uses expert control method, by adjusting desalination
Water regulating valve 3 controls demineralized water the amount of injection；Demineralized water the amount of injection needed for different brown iron oxide conveying capacities is adjusted according to frequency converter 14
Save 12 revolving speed of driving motor, the linear aperture for adjusting desalination water regulating valve 3 in real time, i.e., demineralized water tune when 12 revolving speed of driving motor is low
Section 3 aperture of valve is small, and 3 aperture of desalination water regulating valve is big when revolving speed is high.Referring concurrently to brown iron oxide chloride ion content result of laboratory test with
The comparison of controlling value, the proportionality coefficient of optimizing regulation desalination water regulating valve 3 aperture and 12 revolving speed of driving motor.
The foregoing is merely preferably feasible embodiment of the invention, not thereby limiting the scope of the invention,
It is all to change with equivalent structure made by description of the invention and accompanying drawing content, it is intended to be included within the scope of the present invention.
Claims (3)
1. a kind of brown iron oxide dechlorination device, including controller (1), frequency converter (14), screw conveyor (11), feature exists
In: on the feed-line that screw conveyor (11) is connected to brown iron oxide by its feed inlet (13) and discharge port (10), spiral
The driving motor (12) of conveyer (11) connects frequency converter (14)；Screw conveyor (11) tail portion is provided with high-temperature evaporation demineralized water
Mechanism, high-temperature evaporation demineralized water mechanism are controlled by controller (1), and the brown iron oxide internal to screw conveyor (11) sprays high temperature
Vaporize demineralized water, high-temperature evaporation desalination water flow and brown iron oxide reverse flow.
2. brown iron oxide dechlorination device according to claim 1, it is characterised in that: the high-temperature evaporation demineralized water mechanism
Including desalination water input conduit (4), burner heater (6), desalination water input conduit (4) connects burner heater (6), and burner adds
Hot device (6) connects screw conveyor (11), is equipped with desalination water regulating valve (3), burner heater on desalination water input conduit (4)
(6) it is equipped on temperature sensor (5), burner heater (6) is configured with combustion fan (7), desalination water regulating valve (3), temperature
The gas control valve (8) of sensor (5), combustion fan (7) and burner heater (6) is connected to controller (1).
3. a kind of control method of the brown iron oxide dechlorination device any one of as described in claim 1-2, it is characterised in that: including such as
Lower step:
A, start combustion fan (7) and burner heater (6), the combustion medium burning in burner heater (6) generates High Temperature Gas
Stream；
B, the high temperature gas flow temperature value in burner heater (6) is sent to controller (1) by temperature sensor (5), controller (1)
The temperature value is compared with temperature upper limit value, when which is greater than temperature upper limit value, controller (1) passes through frequency converter
(14) start the driving motor (12) of screw conveyor (11), screw conveyor (11) conveys brown iron oxide；
C, controller (1) opens desalination water regulating valve (3), conveys demineralized water to burner heater (6), demineralized water is heated to burner
It is vaporized after encountering high temperature gas flow when injection in device (6), high temperature gas flow carries the hydrone after vaporization jointly to screw conveyor
(11) head is flowed, and is come into full contact in the process with brown iron oxide and is adsorbed chloride ion therein, then by screw conveyor
(11) air-flow containing chloride ion is discharged in head；
D, temperature sensor (5) is by burner heater (6) high temperature air-flow actual temperature value real-time transmission to controller (1), temperature
Angle value is greater than the set value, and controller (1) reduces the aperture of gas regulator (8), and temperature value is less than setting value, and controller (1) increases
The aperture of big gas regulator (8)；
E, controller (1) according to brown iron oxide conveying capacity adjustment needed for demineralized water the amount of injection, referring concurrently to brown iron oxide chlorine from
Sub- content result of laboratory test optimizes and revises the proportionality coefficient of demineralized water the amount of injection Yu brown iron oxide conveying capacity compared with controlling value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250321.1A CN109052484B (en) | 2018-10-25 | 2018-10-25 | Iron oxide powder dechlorination device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250321.1A CN109052484B (en) | 2018-10-25 | 2018-10-25 | Iron oxide powder dechlorination device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109052484A true CN109052484A (en) | 2018-12-21 |
| CN109052484B CN109052484B (en) | 2024-02-23 |
Family
ID=64764386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811250321.1A Active CN109052484B (en) | 2018-10-25 | 2018-10-25 | Iron oxide powder dechlorination device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109052484B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143939A (en) * | 1994-03-15 | 1997-02-26 | 国际壳牌研究有限公司 | Reduction of residue chloride in iron oxides |
| KR20010005346A (en) * | 1999-06-30 | 2001-01-15 | 이구택 | The device for dechlorination |
| JP2001139332A (en) * | 1999-11-05 | 2001-05-22 | Nisshin Steel Co Ltd | Apparatus for manufacturing iron oxide |
| KR20010055474A (en) * | 1999-12-10 | 2001-07-04 | 홍상복 | Dechlorination apparatus of iron oxide |
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| CN103320623A (en) * | 2013-07-08 | 2013-09-25 | 昆明理工大学 | Method and device for zinc oxide smoke dust dechlorinating by water vapor activating/microwave roasting |
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| CN109052484B (en) | 2024-02-23 |
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