CN105836810B - A kind of acid regeneration station brown iron oxide cooling down processing system - Google Patents
A kind of acid regeneration station brown iron oxide cooling down processing system Download PDFInfo
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- CN105836810B CN105836810B CN201610343672.1A CN201610343672A CN105836810B CN 105836810 B CN105836810 B CN 105836810B CN 201610343672 A CN201610343672 A CN 201610343672A CN 105836810 B CN105836810 B CN 105836810B
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- iron oxide
- roaster
- brown iron
- conveyance conduit
- brown
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- 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)
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/035—Preparation of hydrogen chloride from chlorides
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
Abstract
The present invention relates to a kind of acid regeneration station brown iron oxide cooling down processing system, roaster bottom discharge mouthful installs block mass crusher and roaster rotary valve and connects brown iron oxide conveyance conduit, brown iron oxide conveyance conduit connects iron oxide powder cabin through plastic plate dust separator, conveying fan is installed on brown iron oxide conveyance conduit, the discharging opening of iron oxide powder cabin installs iron powder storehouse push-pull valve and iron powder storehouse rotary valve and is connected to iron powder sack filling machine, wherein：One section of intake stack is connected on the brown iron oxide conveyance conduit that the roaster rotary valve bottom of roaster discharging opening is connected, air inlet is formed with the tube wall of the intake stack, the intake stack is formed with horizontal-extending end, axial end portion at its horizontal-extending end opens up wind-supplying mouth, and a baffle plate is installed on the wind-supplying mouth.Reasonable in design of the present invention, it is easy to operate, the cooling effect of brown iron oxide can be improved, effectively to reduce the high temperature resistant requirement to cleaner, extension device service life.
Description
Technical field
The present invention relates to acid regeneration technology, particularly a kind of acid regeneration station brown iron oxide cooling down processing system.
Background technology
Industrial waste acid as dangerous waste chief component, its recycling is well worth doing.Advance the money of industrial waste acid
Sourceization is utilized, and can not only avoid environmental pollution, is reduced Resources and is used, and can expedite the emergence of new energy-conserving and environment-protective industry,
Form new growth engines.At present, spray roasting acid regeneration technique is mainly for the treatment of giving up that cold-rolling pickling strip is produced
Acid solution.Major medium-sized iron and steel enterprises are applied and promote the technology at home.
Regeneration of hydrochloric acid technique main body include heat treatment system, heat-exchange system, smoke absorption system, flue gas purification system,
Iron powder processing system and tank system.Heat treatment system main equipment includes roaster, double-cyclone dust collector.Spent acid quilt in stove
Heating, decomposes generation Fe2O3 and HCl gases.Roaster middle part set burner, mainly including main burner, igniter burner,
UV- flame detectors and required pipeline manually-operated gate, instrument and regulating valve.Roasting furnace bottom dechlorination device is used to enter iron powder
Row reheating, the chlorine root in removal brown iron oxide.Storehouse, disintegrating machine, rotary valve, burning are returned to by conveying worm, brown iron oxide
Mouth and corresponding control instrument and valve composition.Power-equipment bearing uses resistant to elevated temperatures SKF bearings, housing and rotor to use
Mouth abrasion-resistant stee.Brown iron oxide disintegrating machine is used to prevent brown iron oxide caking from blocking furnace bottom；The multiple rotary valves for using are mainly used in
Discharge the brown iron oxide in stove and can prevent extraneous air from entering in stove.Double-cyclone dust collector is made using straight carbon steel, is disjunctor
Pyramidal structure.For isolating the brown iron oxide in roaster reacting gas, and back into roaster.Import velocity of flue gas is about
15-20m/s, removal efficiency is up to about 50%.
In brown iron oxide processing system, brown iron oxide conveying fan aspirates air by brown iron oxide by iron powder conveyance conduit
Iron powder storehouse is transported to from roaster, simultaneous oxidation iron powder is cooled within 120 DEG C.At present, in the oxidized iron powder of brown iron oxide
Conveyance conduit from be calcined when fire grate goes out need to carry out it is air-cooled.Existing way is to install cooling air inlet in the bottom of roaster
Pipeline.An air intlet is formed with admission line, but, it is present, and air inlet is small, and cooling effect is not good enough, iron powder temperature
Degree is high, and the problem high to follow-up dust separation equipment requirement, dust separation service life of equipment is short, increases production cost.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of air inflow greatly and can adjust, and can improve oxygen
Change the cooling effect of iron powder, effectively to reduce to the requirement of the high temperature resistant of cleaner, extension device service life with mending wind
The acid regeneration station iron powder cooling down system of function.
The present invention solves its technical problem and is achieved through the following technical solutions：
A kind of acid regeneration station brown iron oxide cooling down processing system, including the rotation of roaster, block mass crusher, roaster
Valve, brown iron oxide conveyance conduit, iron oxide powder cabin, sintered plate dust separator, iron powder storehouse push-pull valve, iron powder storehouse rotary valve, iron
Powder sack filling machine, conveying fan, roaster bottom discharge mouthful install block mass crusher and roaster rotary valve and connect brown iron oxide
Conveyance conduit, brown iron oxide conveyance conduit connects iron oxide powder cabin through plastic plate dust separator, on brown iron oxide conveyance conduit
Conveying fan is installed, the discharging opening of iron oxide powder cabin installs iron powder storehouse push-pull valve and iron powder storehouse rotary valve and is connected to iron powder pack
Machine, it is characterised in that：On the brown iron oxide conveyance conduit that the roaster rotary valve bottom of the roaster discharging opening is connected
One section of intake stack of connection, air inlet is formed with the tube wall of the intake stack, and the intake stack is formed with horizontal-extending end, at it
The axial end portion at horizontal-extending end opens up wind-supplying mouth, and a baffle plate is installed on the wind-supplying mouth.
And, described baffle plate is the tube wall of sideboard, the upper end of the sideboard and the elongated end of intake stack
Hinged connection.
The advantages of the present invention are：
1st, this acid regeneration station brown iron oxide cooling down processing system, air intake is connected by brown iron oxide conveyance conduit
Pipeline, sets air inlet on intake stack, and sets wind-supplying mouth in end, and brown iron oxide can be made to enter through its conveyance conduit
Precooled before plastic plate dust separator, made the reduction of its temperature, so as to reduce plastic plate dust separator to high temperature resistant
Requirement, not only reduce equipment cost, and effectively reduce loss of the high-temperature dust to equipment, extend its service life.
2nd, this acid regeneration station brown iron oxide cooling down processing system, installs a baffle plate on the wind-supplying mouth, baffle plate is activity
Baffle plate, the upper end of the sideboard and the tube wall hinged connection of the elongated end of intake stack, can suitably adjust sideboard and open
Degree, to realize the adjustment of air compensation.
3rd, reasonable in design of the present invention, easy to operate, can improve the cooling effect of brown iron oxide, effectively to reduce to removing
The high temperature resistant requirement of dirt equipment, extension device service life.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the A portions enlarged drawing of Fig. 1；
Fig. 3 is the B portions enlarged drawing of Fig. 2.
Description of reference numerals：
1- conveying fans, 2- sintered plates dust separator, 3- iron oxide powder cabin, 4- brown iron oxides conveyance conduit, 5- spray guns,
6- roasters, 7- cyclones separator, 8- block mass crushers, 9- iron powders sack filling machine, 10- roasters rotary valve, 11- blast pipes
Road, 12- wind-supplying mouths, 13- air inlets, 14- baffle plates, 15- iron powders storehouse push-pull valve, 16- iron powders storehouse rotary valve.
Specific embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
A kind of acid regeneration station brown iron oxide cooling down processing system, including the rotation of roaster 6, block mass crusher 8, roaster
Rotary valve 10, brown iron oxide conveyance conduit 4, iron oxide powder cabin 3, sintered plate dust separator 2, iron powder storehouse push-pull valve 15, iron powder storehouse
Rotary valve 16, iron powder sack filling machine 9, conveying fan 1.One group of spray gun 5 is installed in roaster, for being atomized spent acid liquid, roasting
Burner is installed, for lighting combustion gas, the gas vent connection cyclone separator 7 of roaster in stove.Roaster bottom discharge mouthful
Block mass crusher and roaster rotary valve are installed and brown iron oxide conveyance conduit is connected.Brown iron oxide conveyance conduit is through plastic plate powder
Dirt separator connects iron oxide powder cabin, and conveying fan is installed on brown iron oxide conveyance conduit, and the discharging opening of iron oxide powder cabin is installed
Iron powder storehouse push-pull valve and iron powder storehouse rotary valve are simultaneously connected to iron powder sack filling machine.
One section of air intake is connected on the brown iron oxide conveyance conduit that the roaster rotary valve bottom of roaster discharging opening is connected
Pipeline 11, is formed with air inlet 13 on the tube wall of the intake stack, and the intake stack is formed with horizontal-extending end, horizontal-extending at its
The axial end portion at end opens up wind-supplying mouth 12, and a baffle plate 14 is installed on the wind-supplying mouth.Baffle plate is sideboard, the sideboard
The tube wall hinged connection of the elongated end of upper end and intake stack.
The operation principle of this acid regeneration station brown iron oxide cooling down processing system is：
Concentrating waste acid is resolved into Fe by roaster2O3With HCL steams, the moisture in concentrating waste acid in roaster evaporated,
Frerrous chloride micro mist is in countercurrent direction with combustion heat air-flow, and falling to being oxidized to furnace bottom is decomposed into HCl and Fe2O3.Roasting gas
Stove is left from furnace roof, wherein the oxygen containing HCl gases, vapor, combustion product, a small amount of Fe2O3 powder and surplus.Roasting gas
Body is separated into cyclone separator, and the Fe2O3 powder after separation returns to roaster.
Block mass crusher is mainly made up of outer steel shell and two breaker rolls.Breaker roll intersects into 45 degree of side by some
Plate is constituted, with can be heat-resisting up to 450 DEG C of material manufactures.Gear drive.Block mass crusher is used for the broken sintering Fe that may be generated2O3
Agglomerate.Roaster rotary valve is by valve body (steel plate welding), sealing shroud, rotor (material：Stainless steel makes), decelerator and large and small
Sprocket wheel is constituted.Roaster rotary valve is for brown iron oxide to be sent out from roaster and can prevent extraneous air from entering in stove.Oxygen
It is a cylinder steel can, lower bands cone, for storing brown iron oxide to change iron storehouse.Silo roof is provided with sintered plate dust separation
Device.Bottom Fe2O3Powder outlet is controlled by an automatic rotary valve, separately has a hand operated gate valve maintenance to use.The upper limit material position in storehouse
Indicated with level switch with lower limit material position.Such as reach upper limit material position acid program to be cut off, water operation, storehouse exit dress are switched to automatically
There is pneumatic vibrator.
Sintered plate dust separator is installed at the top of iron oxide powder cabin, for purifying the air of conveying iron powder, is isolated
Brown iron oxide is fallen in iron powder storehouse.Brown iron oxide conveying fan aspirates air by brown iron oxide from roasting by iron powder feed-line
Stove is transported to iron powder storehouse, and simultaneous oxidation iron powder is cooled within 120 DEG C.
Intake stack is connected by brown iron oxide conveyance conduit, air inlet is set on intake stack, and in end
Wind-supplying mouth is set, brown iron oxide can be made, into being precooled before plastic plate dust separator, to make it through its conveyance conduit
Temperature reduction, so as to reduce plastic plate dust separator to resistant to elevated temperatures requirement, not only reduces equipment cost, and effectively reduce
Loss of the high-temperature dust to equipment, extends its service life.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Do not depart from the present invention and spirit and scope of the appended claims in, various replacements, change and modifications all be it is possible,
Therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (2)
1. a kind of acid regeneration station brown iron oxide cooling down processing system, including roaster, block mass crusher, roaster rotation
Valve, brown iron oxide conveyance conduit, iron oxide powder cabin, plastic plate dust separator, iron powder storehouse push-pull valve, iron powder storehouse rotary valve, iron
Powder sack filling machine, conveying fan, roaster bottom discharge mouthful install block mass crusher and roaster rotary valve and connect brown iron oxide
Conveyance conduit, brown iron oxide conveyance conduit connects iron oxide powder cabin through plastic plate dust separator, on brown iron oxide conveyance conduit
Conveying fan is installed, the discharging opening of iron oxide powder cabin installs iron powder storehouse push-pull valve and iron powder storehouse rotary valve and is connected to iron powder pack
Machine, it is characterised in that：On the brown iron oxide conveyance conduit that the roaster rotary valve bottom of the roaster discharging opening is connected
One section of intake stack of connection, air inlet is formed with the tube wall of the intake stack, and the intake stack is formed with horizontal-extending end, at it
The axial end portion at horizontal-extending end opens up wind-supplying mouth, and a baffle plate is installed on the wind-supplying mouth.
2. a kind of acid regeneration station brown iron oxide cooling down processing system according to claim 1, it is characterised in that：It is described
Baffle plate be sideboard, the tube wall hinged connection of the upper end of the sideboard and the elongated end of intake stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343672.1A CN105836810B (en) | 2016-05-20 | 2016-05-20 | A kind of acid regeneration station brown iron oxide cooling down processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343672.1A CN105836810B (en) | 2016-05-20 | 2016-05-20 | A kind of acid regeneration station brown iron oxide cooling down processing system |
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| CN105836810A CN105836810A (en) | 2016-08-10 |
| CN105836810B true CN105836810B (en) | 2017-06-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110102151B (en) * | 2019-03-29 | 2022-04-08 | 中冶南方工程技术有限公司 | Energy-saving and environment-friendly oxide powder conveying system in spray roasting and operation method thereof |
| CN114162873B (en) * | 2021-12-03 | 2023-12-05 | 鞍山创鑫环保科技股份有限公司 | Method for reducing chloride ion content in iron oxide red after roasting pickling waste liquid |
| CN116889773B (en) * | 2023-09-08 | 2023-11-21 | 张家港市金帆环保科技有限公司 | Plastic plate dust remover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2495827C2 (en) * | 2008-06-19 | 2013-10-20 | Смс Симаг Акциенгезельшафт | Method for reclamation of iron oxide and hydrochloric acid |
| CN202508889U (en) * | 2012-04-10 | 2012-10-31 | 湖北全阳磁性材料制造有限公司 | High-temperature purification equipment for acid washing of iron oxide red |
| CN102674250A (en) * | 2012-04-28 | 2012-09-19 | 佛山津西金兰冷轧板有限公司 | Waste acid recovery and treatment device |
| CN205773425U (en) * | 2016-05-20 | 2016-12-07 | 天津市腾源环保科技有限公司 | A kind of have the acid regeneration station brown iron oxide cooling down processing system mending wind function |
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