CN112843909A - Method for preparing micro silicon powder by using flue gas of submerged arc furnace - Google Patents
Method for preparing micro silicon powder by using flue gas of submerged arc furnace Download PDFInfo
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- CN112843909A CN112843909A CN202011571832.0A CN202011571832A CN112843909A CN 112843909 A CN112843909 A CN 112843909A CN 202011571832 A CN202011571832 A CN 202011571832A CN 112843909 A CN112843909 A CN 112843909A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
Abstract
The invention relates to a method for preparing micro silicon powder by using submerged arc furnace flue gas, which adopts the following processing equipment, wherein the processing equipment comprises a bottom plate, a supporting frame and a filtering device, and is characterized in that: the middle part of the upper end of the bottom plate is provided with a support frame, the cross section of the support frame is of a U-shaped structure, and the upper end of the support frame is provided with a filtering device. The invention can solve the problems that the existing equipment has poor filtering effect and low efficiency, can not effectively clean the dust adhered to the filtering cloth bag, so that the dust is easy to accumulate and the filtering effect of the filtering cloth bag is influenced when the existing equipment filters the micro silicon powder, and the existing equipment can not effectively collect the filtered dust when the existing equipment filters the micro silicon powder, is inconvenient to collect, generally needs manual cleaning and collecting, influences the preparation efficiency of the micro silicon powder and the like.
Description
Technical Field
The invention relates to the field of micro silicon powder processing, in particular to a method for preparing micro silicon powder by using submerged arc furnace flue gas.
Background
The micro silicon powder is also called as silica fume or condensed silica fume, when ferroalloy is used for smelting ferrosilicon and industrial silicon (metallic silicon), a large amount of SiO2 and Si gas with strong volatility are generated in the ore-smelting electric furnace, and the gas is rapidly oxidized, condensed and precipitated with air after being discharged to form: the silica fume can fill the pores among cement particles, and simultaneously generates gel with hydration products and reacts with alkaline material magnesium oxide to generate gel. The silica fume with proper amount is mixed into cement-base concrete, mortar and refractory material, and has obviously raised compression, fracture, seepage, corrosion, impact and wear resistance, water maintaining, segregation preventing, concrete pumping resistance reducing and other effects.
At present, the existing micro silicon powder generally has the following defects in the production and preparation process: 1. when the existing equipment is used for filtering and processing the micro silicon powder, the filtering effect is poor, the efficiency is low, and dust adhered to a filtering cloth bag cannot be effectively cleaned, so that the phenomenon that the dust is easily accumulated is caused, and the filtering effect of the filtering cloth bag is influenced; 2. the existing equipment cannot effectively collect filtered dust when filtering and processing the micro silicon powder, is inconvenient to collect, generally needs manpower to clean and collect, and influences the preparation efficiency of the micro silicon powder.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing equipment has poor filtering effect and low efficiency, can not effectively clean the dust adhered to the filtering cloth bag, so that the dust is easy to accumulate and the filtering effect of the filtering cloth bag is influenced when the existing equipment filters the micro silicon powder, and the existing equipment can not effectively collect the filtered dust when the existing equipment filters the micro silicon powder, is inconvenient to collect, generally needs manual cleaning and collecting, influences the preparation efficiency of the micro silicon powder and the like.
(II) technical scheme
In order to achieve the above purpose, the invention adopts the following technical scheme that the method for preparing the micro silicon powder by using the flue gas of the submerged arc furnace adopts the following processing equipment, and the processing equipment comprises a bottom plate, a supporting frame and a filtering device, and is characterized in that: the middle part of the upper end of the bottom plate is provided with a support frame, the cross section of the support frame is of a U-shaped structure, and the upper end of the support frame is provided with a filtering device.
The filtering device comprises a shell frame, a driving mechanism, a blowing mechanism, a filtering mechanism, a collecting mechanism, an electric push rod, an air inlet pipe and a discharging pipe, wherein the middle part of the upper end of the supporting frame is provided with the shell frame which is of a hollow structure, the driving mechanism is arranged in the shell frame, the lower end of the driving mechanism is arranged on the supporting frame, the blowing mechanisms are symmetrically arranged in the shell frame, the middle part of each blowing mechanism is connected with the driving mechanism, the filtering mechanism is arranged between the two blowing mechanisms, the middle part of each filtering mechanism is connected with the driving mechanism, a sliding groove is arranged in the shell frame, the outer side of each filtering mechanism is connected with the corresponding sliding groove in a sliding fit manner, the electric push rod is symmetrically arranged at the upper end in the sliding groove, the top end of the electric push rod is, the middle part of the left side of the shell frame is provided with an air inlet pipe, and the lower end of the right side of the shell frame is provided with a discharge pipe.
When the novel gas filter works, cooled smoke enters the interior of the shell frame through the gas inlet pipe, the driving mechanism drives the blowing mechanism at the lower end of the interior of the shell frame to rotate, the blowing mechanism blows the smoke upwards, the blowing mechanism blows the smoke towards the filtering mechanism, the filtering mechanism can effectively capture and collect micro silicon powder in the smoke, the filtered gas is discharged into the air through the shell frame, when the running resistance or time of the filtering mechanism reaches a set value, the electric push rod drives the filtering mechanism to move downwards, the filtering mechanism can seal the inner side of the gas inlet pipe, the middle part of the collecting mechanism is opened, meanwhile, the driving mechanism can drive the blowing mechanism at the upper end of the interior of the shell frame to rotate, the blowing mechanism blows downwards, and the blowing mechanism can further discharge and collect the micro silicon powder in the interior of the shell frame through.
Filtering mechanism include the carriage, cross the filter stand, filter the sack and clean the unit, the spout inside be connected with the carriage through sliding fit's mode, the carriage is the loop configuration, the carriage upper end is connected with electric putter, the filter stand is installed to the inside upper end of carriage, it is the trapezium structure to cross the filter stand cross-section, it is connected with actuating mechanism through the bearing to cross the filter stand middle part, evenly be provided with the blown down tank on the filter stand, the blown down tank mid-mounting has the filter sack, it cleans the unit to be provided with in the filter stand inboard, clean the unit and install on actuating mechanism, when concrete work, the filter sack can catch the collection to the little silica flour in the flue gas effectively, actuating mechanism drives and cleans the unit and can clean filter the sack inboard face, prevent that the dust from piling up inside filtering.
The method for preparing the micro silicon powder by using the submerged arc furnace flue gas comprises the following steps:
s1, cooling flue gas: cooling the flue gas discharged by the submerged arc furnace by a cooler;
s2, filtering the smoke: the flue gas cooled in the step S1 enters the shell frame through the air inlet pipe, the driving mechanism drives the blowing mechanism at the lower end inside the shell frame to rotate, the blowing mechanism blows the flue gas to the filtering mechanism, the filtering mechanism can effectively capture and collect the micro silicon powder in the flue gas, and the filtered gas is discharged into the air through the shell frame;
s3, collection of micro silicon powder: when the running resistance or the running time of the filtering mechanism in the step S2 reaches a set value, the electric push rod drives the filtering mechanism to move downwards, so that the filtering mechanism can seal the inner side of the air inlet pipe, the middle part of the collecting mechanism is opened, meanwhile, the driving mechanism can drive the blowing mechanism at the upper end inside the shell frame to rotate, and the blowing mechanism can further discharge and collect the micro silicon powder inside the shell frame through the discharge pipe;
s4, storing the micro silicon powder: and (4) manually conveying the micro silicon powder collected in the step S3 to a warehouse for stacking and storing.
Preferably, actuating mechanism include driving motor, rotation sleeve and axis of rotation, bottom plate upper end middle part install driving motor through the motor cabinet, install on driving motor's the output and rotate the sleeve, it is connected with the support frame through the bearing to rotate the sleeve, it is provided with the slot to rotate the sleeve middle part, the slot is the cruciform structure, slot inside conversation sliding fit's mode and axis of rotation, the axis of rotation upper end respectively with blast mechanism, filtering mechanism and collection mechanism are connected, specific during operation, driving motor drives the axis of rotation through rotating the sleeve and rotates, the axis of rotation can slide from top to bottom rotating sleeve inside simultaneously.
Preferably, the mechanism of blowing include annular frame, turbine blade, joint frame and fixture block, casing frame internally mounted have the annular frame, the annular frame inboard is provided with the ring channel, evenly be provided with turbine blade in the annular frame, be connected with the joint frame between the turbine blade inboard, the turbine blade outside links to each other with the ring channel through sliding fit's mode, joint frame middle part is provided with the counter bore, the counter bore middle part is connected with driving motor, driving motor is last install with counter bore joint complex fixture block, concrete during operation, when driving mechanism drives fixture block and joint frame joint, the joint frame rotates through turbine blade, and then can realize the function of blowing.
Preferably, clean the unit and include connecting rod, mount, clean board and coupling spring, actuating mechanism on the symmetry install the connecting rod, the mount is installed in the connecting rod outside, the mount cross-section is U type structure, the inside board that cleans that is provided with of mount, clean and evenly install coupling spring between board and the mount, clean evenly being provided with the brush hair on the board lateral surface, during specific work, coupling spring can drive and clean the board and hug closely with filter cloth inboard all the time for brush hair on cleaning the board can clean the filter cloth bag, prevents that the dust from piling up on the filter cloth bag.
Preferably, the collection mechanism include the collecting plate, the connecting rod, the closing plate and rotate the seat, the inside lower extreme of casing frame be connected with the collecting plate through sliding fit's mode, the collecting plate middle part is connected with actuating mechanism through the bearing, the inside evenly installed of casing frame rotates the seat, rotate the inside closing plate of installing through the round pin axle of seat, evenly install the connecting rod through the round pin axle between closing plate lower extreme and the collecting plate, concrete during operation, when electric putter drives the filter mechanism downstream, filter mechanism drives the collecting plate downstream through the axis of rotation, the collecting plate drives the closing plate through the connecting rod and opens, make the little silica flour after the collection evenly outwards discharge through the discharging pipe.
Preferably, the sealing plate is of a fan-shaped structure, the sealing plates are surrounded into a circular ring-shaped structure, the adjacent sealing plates are in sealing fit, the sealing effect between the sealing plates is good, and the phenomenon of leakage of the micro silicon powder is prevented.
Preferably, the steel wire net frames are symmetrically arranged on the outer side of the filtering cloth bag and are mounted on the filtering frame, the steel wire net frames are tightly attached to the filtering cloth bag, the steel wire net frames can effectively play a supporting role, the filtering cloth bag is prevented from deforming, and the filtering effect of the filtering cloth bag is guaranteed.
(III) advantageous effects
1. According to the method for preparing the micro silicon powder by using the flue gas of the submerged arc furnace, the filtering device is designed in an adjustable structure, when the electric push rod drives the filtering mechanism to move upwards, the function of filtering the micro silicon powder can be realized, and when the electric push rod drives the filtering mechanism to move downwards, the function of collecting the micro silicon powder can be realized, so that the method is good in using effect and convenient to adjust, and is beneficial to preparation and processing of the micro silicon powder;
2. according to the method for preparing the micro silicon powder by using the submerged arc furnace flue gas, the filtering mechanism can effectively filter the flue gas, the filtering effect is good, the efficiency is high, meanwhile, the cleaning unit can effectively clean the dust adhered to the filtering cloth bag, the phenomenon that the dust is accumulated is prevented, the dust is prevented from blocking meshes on the filtering cloth bag, and the filtering effect of the filtering cloth bag is ensured;
3. according to the method for preparing the micro silicon powder by using the submerged arc furnace flue gas, the collection mechanism can effectively collect the filtered micro silicon powder, the collection effect is good, meanwhile, the sealing effect of the collection mechanism is good, the micro silicon powder is prevented from being wasted, and the follow-up use of the micro silicon powder is facilitated.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of the bottom plate, the support frame, the housing frame, the driving mechanism, the collecting mechanism and the discharge pipe of the present invention;
FIG. 4 is a cross-sectional view of the housing frame, the rotary shaft, the blowing mechanism, the filter mechanism, the electric push rod and the air inlet pipe according to the present invention;
fig. 5 is a schematic sectional view showing the structure between the rotating shaft and the cleaning unit according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 5, the method for preparing micro silicon powder by using flue gas of a submerged arc furnace adopts the following processing equipment, and the processing equipment comprises a bottom plate 1, a support frame 2 and a filtering device 3, and is characterized in that: the middle part of the upper end of the bottom plate 1 is provided with a support frame 2, the section of the support frame 2 is of a U-shaped structure, and the upper end of the support frame 2 is provided with a filtering device 3.
The filtering device 3 comprises a shell frame 31, a driving mechanism 32, a blowing mechanism 33, a filtering mechanism 34, a collecting mechanism 35, an electric push rod 36, an air inlet pipe 37 and a discharge pipe 38, wherein the middle part of the upper end of the support frame 2 is provided with the shell frame 31, the shell frame 31 is of a hollow structure, the driving mechanism 32 is arranged inside the shell frame 31, the lower end of the driving mechanism 32 is arranged on the support frame 2, the blowing mechanisms 33 are symmetrically arranged inside the shell frame 31, the middle part of each blowing mechanism 33 is connected with the driving mechanism 32, the filtering mechanism 34 is arranged between the two blowing mechanisms 33, the middle part of each filtering mechanism 34 is connected with the driving mechanism 32, a sliding groove is arranged inside the shell frame 31, the outer side of each filtering mechanism 34 is connected with the sliding groove in a sliding fit manner, the electric push rod 36 is symmetrically arranged at the, the collection mechanism 35 is installed to the inside lower extreme of casing frame 31, collects the mechanism 35 middle part and is connected with actuating mechanism 32, and casing frame 31 left side mid-mounting has intake pipe 37, and casing frame 31 right side lower extreme installs discharging pipe 38.
When the device works specifically, cooled flue gas enters the shell frame 31 through the air inlet pipe 37, the driving mechanism 32 drives the blowing mechanism 33 at the lower end inside the shell frame 31 to rotate, the blowing mechanism 33 blows air upwards, the blowing mechanism 33 blows the flue gas to the filtering mechanism 34, the filtering mechanism 34 can effectively capture and collect micro silicon powder in the flue gas, the filtered gas is discharged into the air through the shell frame 31, when the running resistance or time of the filtering mechanism 34 reaches a set value, the electric push rod 36 drives the filtering mechanism 34 to move downwards, so that the filtering mechanism 34 can seal the inner side of the air inlet pipe 37, and the middle part of the collecting mechanism 35 is opened, meanwhile, the driving mechanism 32 can drive the blowing mechanism 33 at the upper end inside the shell frame 31 to rotate, the blowing mechanism 33 blows downwards, and the blowing mechanism 33 can further discharge and collect the micro silicon powder inside the shell frame 31 through the discharge pipe 38.
The blowing mechanism 33 include ring frame 331, turbine blade 332, joint frame 333 and fixture block 334, casing frame 31 internally mounted have ring frame 331, the ring frame 331 inboard is provided with the ring channel, evenly be provided with turbine blade 332 in the ring frame 331, be connected with joint frame 333 between the turbine blade 332 inboard, the turbine blade 332 outside links to each other with the ring channel through sliding fit's mode, joint frame 333 middle part is provided with the counter bore, the counter bore middle part is connected with driving motor 321, install on the driving motor 321 with counter bore joint complex fixture block 334, during specific work, when actuating mechanism 32 drives fixture block 334 and joint frame 333 joint, joint frame 333 rotates through turbine blade 332, and then can realize the function of blowing.
The filtering mechanism 34 comprises a sliding frame 341, a filtering frame 342, a filtering cloth bag 344 and a cleaning unit 345, the sliding frame 341 is connected inside the sliding chute in a sliding fit manner, the sliding frame 341 is of an annular structure, the upper end of the sliding frame 341 is connected with an electric push rod 36, the filtering frame 342 is installed at the upper end inside the sliding frame 341, the cross section of the filtering frame 342 is of a trapezoidal structure, the middle part of the filtering frame 342 is connected with the driving mechanism 32 through a bearing, discharge chutes are evenly arranged on the filtering frame 342, the filtering cloth bag 344 is installed in the middle part of the discharge chutes, the cleaning unit 345 is arranged on the inner side of the filtering frame 342, the cleaning unit 345 is installed on the driving mechanism 32, when the device works specifically, the filtering cloth bag 344 can effectively capture and collect the micro silicon powder in the flue gas, the driving mechanism 32 drives the cleaning unit 345 to, ensuring the filtering effect of the filter cloth bag 344.
The steel wire net frames are symmetrically arranged on the outer side of the filtering cloth bag 344 and are mounted on the filtering frame 342, the steel wire net frames are tightly attached to the filtering cloth bag 344, the steel wire net frames can effectively play a supporting role, the phenomenon that the filtering cloth bag 344 deforms is prevented, and the filtering effect of the filtering cloth bag 344 is guaranteed.
The cleaning unit 345 includes a connecting rod 3451, a fixing frame 3452, a cleaning board 3453 and a connecting spring 3454, the connecting rod 3451 is symmetrically installed on the driving mechanism 32, the fixing frame 3452 is installed outside the connecting rod 3451, the cross section of the fixing frame 3452 is in a U-shaped structure, the cleaning board 3453 is installed inside the fixing frame 3452, the connecting spring 3454 is evenly installed between the cleaning board 3453 and the fixing frame 3452, and bristles are evenly arranged on the outer side surface of the cleaning board 3453.
The collecting mechanism 35 comprises a collecting plate 351, a connecting rod 352, a sealing plate 353 and a rotating seat 354, the collecting plate 351 is connected to the lower end of the inside of the shell frame 31 in a sliding fit mode, the middle of the collecting plate 351 is connected with the driving mechanism 32 through a bearing, the rotating seat 354 is evenly installed inside the shell frame 31, the sealing plate 353 is installed inside the rotating seat 354 through a pin shaft, the connecting rod 352 is evenly installed between the lower end of the sealing plate 353 and the collecting plate 351 through the pin shaft, during specific work, when the electric push rod 36 drives the filtering mechanism 34 to move downwards, the filtering mechanism 34 drives the collecting plate 351 to move downwards through the rotating shaft 323, the collecting plate 351 drives the sealing plate 353 to be opened through the connecting rod 352, and collected micro silicon powder is evenly discharged outwards through the discharging pipe 38.
The sealing plates 353 are of fan-shaped structures, the sealing plates 353 are surrounded into a circular ring-shaped structure, the adjacent sealing plates 353 are in sealing fit, the sealing effect between the sealing plates 353 is good, and the phenomenon that the micro silicon powder leaks is prevented.
The method for preparing the micro silicon powder by using the submerged arc furnace flue gas comprises the following steps:
s1, cooling flue gas: cooling the flue gas discharged by the submerged arc furnace by a cooler;
s2, filtering the smoke: the flue gas cooled in the step S1 enters the inside of the shell frame 31 through the air inlet pipe 37, the driving mechanism 32 drives the blowing mechanism 33 at the lower end inside the shell frame 31 to rotate, the blowing mechanism 33 blows the flue gas to the filtering mechanism 34, the filtering mechanism 34 can effectively capture and collect the micro silicon powder in the flue gas, and the filtered gas is discharged to the air through the shell frame 31;
s3, collection of micro silicon powder: when the running resistance or the running time of the filtering mechanism 34 in the step S2 reaches a set value, the electric push rod 36 drives the filtering mechanism 34 to move downward, so that the filtering mechanism 34 can seal the inner side of the air inlet pipe 37, the middle part of the collecting mechanism 35 is opened, meanwhile, the driving mechanism 32 can drive the blowing mechanism 33 at the upper end inside the shell frame 31 to rotate, and the blowing mechanism 33 can further discharge and collect the micro silicon powder inside the shell frame 31 through the discharge pipe 38;
s4, storing the micro silicon powder: and (4) manually conveying the micro silicon powder collected in the step S3 to a warehouse for stacking and storing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The method for preparing the micro silicon powder by the submerged arc furnace flue gas adopts the following processing equipment, and the processing equipment comprises a bottom plate (1), a support frame (2) and a filtering device (3), and is characterized in that: the middle part of the upper end of the bottom plate (1) is provided with a support frame (2), the section of the support frame (2) is of a U-shaped structure, and the upper end of the support frame (2) is provided with a filtering device (3); wherein:
the filtering device (3) comprises a shell frame (31), a driving mechanism (32), a blowing mechanism (33), a filtering mechanism (34), a collecting mechanism (35), an electric push rod (36), an air inlet pipe (37) and a discharge pipe (38), wherein the shell frame (31) is installed in the middle of the upper end of the support frame (2), the shell frame (31) is of a hollow structure, the driving mechanism (32) is arranged in the shell frame (31), the lower end of the driving mechanism (32) is installed on the support frame (2), the blowing mechanisms (33) are symmetrically installed in the shell frame (31), the middle of each blowing mechanism (33) is connected with the corresponding driving mechanism (32), the filtering mechanism (34) is arranged between the two blowing mechanisms (33), the middle of each filtering mechanism (34) is connected with the corresponding driving mechanism (32), a sliding chute is formed in the shell frame (31), and the outer side of each filtering mechanism (34) is connected with the, electric push rods (36) are symmetrically arranged at the upper end inside the sliding chute, the top end of each electric push rod (36) is connected with a filtering mechanism (34) through a flange, a collecting mechanism (35) is arranged at the lower end inside the shell frame (31), the middle part of each collecting mechanism (35) is connected with a driving mechanism (32), an air inlet pipe (37) is arranged in the middle of the left side of the shell frame (31), and a discharge pipe (38) is arranged at the lower end of the right side of the shell frame (31);
the filtering mechanism (34) comprises a sliding frame (341), a filtering frame (342), filtering cloth bags (344) and cleaning units (345), the sliding frame (341) is connected inside the sliding groove in a sliding fit mode, the sliding frame (341) is of an annular structure, the upper end of the sliding frame (341) is connected with an electric push rod (36), the filtering frame (342) is installed at the upper end inside the sliding frame (341), the cross section of the filtering frame (342) is of a trapezoidal structure, the middle part of the filtering frame (342) is connected with the driving mechanism (32) through a bearing, discharge chutes are uniformly arranged on the filtering frame (342), the filtering cloth bags (344) are installed in the middle parts of the discharge chutes, the cleaning units (345) are arranged on the inner side of the filtering frame (342), and the cleaning units (345) are installed;
the method for preparing the micro silicon powder by using the submerged arc furnace flue gas comprises the following steps:
s1, cooling flue gas: cooling the flue gas discharged by the submerged arc furnace by a cooler;
s2, filtering the smoke: the flue gas cooled in the step S1 enters the shell frame (31) through the air inlet pipe (37), the driving mechanism (32) drives the blowing mechanism (33) at the lower end of the interior of the shell frame (31) to rotate, the blowing mechanism (33) blows the flue gas to the filtering mechanism (34), the filtering mechanism (34) can effectively capture and collect the micro silicon powder in the flue gas, and the filtered gas is discharged into the air through the shell frame (31);
s3, collection of micro silicon powder: when the running resistance or the time of the filtering mechanism (34) in the step S2 reaches a set value, the electric push rod (36) drives the filtering mechanism (34) to move downwards, so that the filtering mechanism (34) can seal the inner side of the air inlet pipe (37), the middle part of the collecting mechanism (35) is opened, meanwhile, the driving mechanism (32) can drive the blowing mechanism (33) at the upper end inside the shell frame (31) to rotate, and the blowing mechanism (33) can further discharge and collect the micro silicon powder inside the shell frame (31) through the discharge pipe (38);
s4, storing the micro silicon powder: and (4) manually conveying the micro silicon powder collected in the step S3 to a warehouse for stacking and storing.
2. The method for preparing the micro silicon powder by the flue gas of the submerged arc furnace as claimed in claim 1, wherein the method comprises the following steps: actuating mechanism (32) include driving motor (321), rotate sleeve (322) and axis of rotation (323), bottom plate (1) upper end middle part install driving motor (321) through the motor cabinet, install on the output of driving motor (321) and rotate sleeve (322), rotate sleeve (322) and be connected with support frame (2) through the bearing, it is provided with the slot to rotate sleeve (322) middle part, the slot is the cruciform structure, slot intercom sliding fit's mode and axis of rotation (323), axis of rotation (323) upper end respectively with blow mechanism (33), filtering mechanism (34) and collect mechanism (35) and be connected.
3. The method for preparing the micro silicon powder by the flue gas of the submerged arc furnace as claimed in claim 1, wherein the method comprises the following steps: blow mechanism (33) including annular frame (331), turbine blade (332), joint frame (333) and fixture block (334), casing frame (31) internally mounted have annular frame (331), annular frame (331) inboard is provided with the ring channel, evenly be provided with turbine blade (332) in annular frame (331), be connected with joint frame (333) between turbine blade (332) the inboard, the turbine blade (332) outside links to each other with the ring channel through sliding fit's mode, joint frame (333) middle part is provided with the counter bore, the counter bore middle part is connected with driving motor (321), install on driving motor (321) with counter bore joint complex fixture block (334).
4. The method for preparing the micro silicon powder by the flue gas of the submerged arc furnace as claimed in claim 1, wherein the method comprises the following steps: the cleaning unit (345) comprises a connecting rod (3451), a fixing frame (3452), a cleaning plate (3453) and a connecting spring (3454), the connecting rod (3451) is symmetrically installed on the driving mechanism (32), the fixing frame (3452) is installed on the outer side of the connecting rod (3451), the cross section of the fixing frame (3452) is of a U-shaped structure, the cleaning plate (3453) is arranged inside the fixing frame (3452), the connecting spring (3454) is uniformly installed between the cleaning plate (3453) and the fixing frame (3452), and bristles are uniformly arranged on the outer side surface of the cleaning plate (3453).
5. The method for preparing the micro silicon powder by the flue gas of the submerged arc furnace as claimed in claim 1, wherein the method comprises the following steps: the collecting mechanism (35) comprises a collecting plate (351), a connecting rod (352), a sealing plate (353) and a rotating seat (354), the collecting plate (351) is connected to the lower end inside the shell frame (31) in a sliding fit mode, the middle of the collecting plate (351) is connected with the driving mechanism (32) through a bearing, the rotating seat (354) is evenly installed inside the shell frame (31), the sealing plate (353) is installed inside the rotating seat (354) through a pin shaft, and the connecting rod (352) is evenly installed between the lower end of the sealing plate (353) and the collecting plate (351) through the pin shaft.
6. The method for preparing the micro silicon powder by the flue gas of the submerged arc furnace as claimed in claim 5, wherein the method comprises the following steps: the sealing plates (353) are of fan-shaped structures, the sealing plates (353) are surrounded into a circular ring-shaped structure, and the adjacent sealing plates (353) are in sealing fit.
7. The method for preparing the micro silicon powder by the flue gas of the submerged arc furnace as claimed in claim 1, wherein the method comprises the following steps: the outer side of the filtering cloth bag (344) is symmetrically provided with a steel wire net frame, the steel wire net frame is arranged on the filtering frame (342), and the steel wire net frame is tightly attached to the filtering cloth bag (344).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114405198A (en) * | 2022-01-26 | 2022-04-29 | 宁夏三元中泰冶金有限公司 | Submerged arc furnace flue gas micro silicon powder recovery system |
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| CN111135660A (en) * | 2020-01-09 | 2020-05-12 | 梁红雨 | Industrial flue gas desulfurization and denitrification treatment method |
| CN111359332A (en) * | 2020-03-24 | 2020-07-03 | 王莎莎 | Dust removal purification filtration equipment for waste incineration flue gas |
| CN111617568A (en) * | 2020-05-08 | 2020-09-04 | 安徽华尔泰化工股份有限公司 | Pretreatment process for preparing industrial concentrated sulfuric acid |
| CN211871661U (en) * | 2020-03-25 | 2020-11-06 | 临沭县东升磨料有限公司 | A water treatment facilities for carborundum miropowder |
| CN112246403A (en) * | 2020-10-04 | 2021-01-22 | 夏莹莹 | Mineral powder coating production and preparation process |
-
2020
- 2020-12-27 CN CN202011571832.0A patent/CN112843909A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135660A (en) * | 2020-01-09 | 2020-05-12 | 梁红雨 | Industrial flue gas desulfurization and denitrification treatment method |
| CN111359332A (en) * | 2020-03-24 | 2020-07-03 | 王莎莎 | Dust removal purification filtration equipment for waste incineration flue gas |
| CN211871661U (en) * | 2020-03-25 | 2020-11-06 | 临沭县东升磨料有限公司 | A water treatment facilities for carborundum miropowder |
| CN111617568A (en) * | 2020-05-08 | 2020-09-04 | 安徽华尔泰化工股份有限公司 | Pretreatment process for preparing industrial concentrated sulfuric acid |
| CN112246403A (en) * | 2020-10-04 | 2021-01-22 | 夏莹莹 | Mineral powder coating production and preparation process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405198A (en) * | 2022-01-26 | 2022-04-29 | 宁夏三元中泰冶金有限公司 | Submerged arc furnace flue gas micro silicon powder recovery system |
| CN114405198B (en) * | 2022-01-26 | 2023-10-27 | 宁夏三元中泰冶金有限公司 | Hot stove flue gas silica fume recovery system in ore deposit |
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