CN109675804B - Winnowing device for steel slag sand production - Google Patents
Winnowing device for steel slag sand production Download PDFInfo
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- CN109675804B CN109675804B CN201811589488.0A CN201811589488A CN109675804B CN 109675804 B CN109675804 B CN 109675804B CN 201811589488 A CN201811589488 A CN 201811589488A CN 109675804 B CN109675804 B CN 109675804B
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- guide plate
- steel slag
- box body
- shaped box
- material outlet
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- 239000002893 slag Substances 0.000 title claims abstract description 98
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 239000004576 sand Substances 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 64
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 230000009471 action Effects 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a winnowing device for steel slag sand production, which comprises a V-shaped box body, and a first guide plate, a second guide plate and a scattering plate which are arranged in the V-shaped box body; the top of the V-shaped box body is provided with a feed inlet, and the bottom of the V-shaped box body is provided with a coarse material outlet; the upper end of the left side wall of the V-shaped box body is provided with an air outlet, and the lower end of the left side wall of the V-shaped box body is provided with a middle material outlet; the upper end of the right side wall of the V-shaped box body is provided with an air inlet; the scattering plates are distributed below the feed inlet in a stepped manner and are used for dispersing steel slag raw materials entering from the feed inlet and guiding the dispersed steel slag raw materials to the left side of the steel slag raw materials under the action of wind entering from the air inlet; the first guide plate is arranged at the left side of the scattering plate and is used for guiding the medium materials in the steel slag raw materials into the second guide plate; the included angle between the first guide plate and the horizontal plane is adjustable; the second guide plate is arranged at the middle material outlet and is used for guiding the middle material out of the middle material outlet; the grain size of the steel slag sand can be adjusted by changing the included angle between the first guide plate and the horizontal plane, and the structure is simple.
Description
Technical Field
The invention relates to the technical field of steel slag sand production equipment, in particular to a winnowing device for steel slag sand production.
Background
In the process of producing steel slag sand by using steel mill by-product steel slag, the steel slag crushed material needs to be winnowing, and sand-grain-level steel slag particles are winnowed through a winnowing device. The existing air separation device for producing the steel slag sand has complex structure and high manufacturing cost, and the grain size of the air-separated steel slag sand is not easy to adjust.
Disclosure of Invention
The invention provides a winnowing device for steel slag sand production, which aims to solve the technical problem that the grain size of steel slag sand for winnowing cannot be adjusted according to requirements by the existing winnowing device.
The technical problems of the invention are solved by the following technical scheme:
a winnowing device for producing steel slag sand comprises a V-shaped box body, a first guide plate, a second guide plate and a scattering plate, wherein the first guide plate, the second guide plate and the scattering plate are arranged in the V-shaped box body; the top of the V-shaped box body is provided with a feed inlet, and the bottom of the V-shaped box body is provided with a coarse material outlet; an air outlet is formed in the upper end of the left side wall of the V-shaped box body, and a middle material outlet is formed in the lower end of the left side wall of the V-shaped box body; the upper end of the right side wall of the V-shaped box body is provided with an air inlet; the scattering plates are distributed below the feed inlet in a stepped manner and are used for dispersing steel slag raw materials entering from the feed inlet and guiding the dispersed steel slag raw materials to the left side under the action of wind entering from the air inlet; the first guide plate is arranged at the left side of the scattering plate and is used for guiding the medium materials in the steel slag raw materials into the second guide plate; the included angle between the first guide plate and the horizontal plane is adjustable; the second guide plate is arranged at the middle material outlet and used for guiding the middle material out of the middle material outlet.
Through the adoption of the technical scheme, when the steel slag raw material is subjected to air separation, the steel slag raw material is added from the feed inlet, falls onto the scattering plate under the action of gravity, is dispersed on the scattering plate in step-shaped distribution, and is guided to the left side of the scattering plate under the action of wind entering from the air inlet and by matching with the guiding action of the scattering plate; wherein, the steel slag fine powder in the steel slag raw material flows out from the air outlet along with wind, the coarse material of the steel slag raw material flows out from the coarse material outlet, and the middle material in the steel slag raw material, namely steel slag sand, is guided to the first guide plate; the steel slag sand is guided into the second guide plate under the action of the first guide plate, and the second guide plate guides the steel slag sand to the middle material outlet; the grain size range of the steel slag sand can be adjusted by changing the included angle between the first guide plate and the horizontal plane, and the steel slag sand flow device is simple in structure and low in manufacturing cost.
In some preferred embodiments, a blocking screen is disposed on the second baffle to prevent coarse materials or light impurities with larger particle sizes in the steel slag raw material from passing through the middle material outlet.
By adopting the technical scheme, the blocking screen can prevent coarse materials or impurities with larger grain diameters which are mixed in the steel slag sand from entering the second guide plate, effectively screen out the coarse materials or impurities with larger grain diameters which are mixed in the steel slag sand, and fall to the coarse material outlet; thereby improving the winnowing efficiency.
In some preferred embodiments, the ratio of the aperture of the air outlet to the aperture of the air inlet is 1/4-1/3.
Through adopting above-mentioned technical scheme, work as the intake of air intake and air inlet rate are fixed time, can control the air output and the air outlet velocity of wind outlet in a preferred within range to cooperate first guide plate, improve the selection by winnowing efficiency of slag sand.
In some preferred embodiments, the number of first baffles comprises 3-10 pieces; the first guide plates are uniformly distributed between the air outlet and the middle material outlet from top to bottom.
By adopting the technical scheme, the winnowing efficiency of the steel slag sand can be effectively improved.
In some preferred embodiments, the angle between the first baffle and the horizontal plane comprises 15-65 degrees.
By adopting the technical scheme, the winnowing efficiency of the steel slag sand can be further improved, and the grain size range of the steel slag sand can be effectively adjusted.
In some preferred embodiments, the number of break-up plates comprises 5-15 pieces; the plurality of scattering plates are uniformly distributed on the left side of the air inlet from top to bottom.
By adopting the technical scheme, the dispersion effect of the steel slag raw materials on the scattering plate can be effectively improved, and the winnowing effect of the steel slag sand is improved under the action of wind entering from the air inlet.
In some more preferred embodiments, the angle between the breaker plate and the horizontal plane comprises 5-30 degrees.
By adopting the technical scheme, the dispersion effect of the steel slag raw material on the scattering plate can be further improved, and the winnowing effect of the steel slag sand is improved under the action of wind entering from the air inlet.
In some more preferred embodiments, the barrier screen is removably disposed on the second baffle; the specification of separation sieve can be changed according to the demand.
Through adopting above-mentioned technical scheme, can be according to the demand of producer to slag sand particle diameter scope, reasonable selection has the separation sieve of suitable sieve mesh, adjusts the maximum value of slag sand's particle diameter to the selection by winnowing effect of slag sand has been improved.
In some preferred embodiments, the upper end of the coarse material outlet is provided with a gravity air locking valve for controlling the opening or closing of the coarse material outlet.
By adopting the technical scheme, when steel slag raw materials are just added for winnowing, the coarse material outlet is in a closed state, so that the air output and the air output rate of the air outlet can be effectively ensured, and the winnowing effect is improved; when the coarse fodder on the gravity air locking valve is accumulated to a certain weight, the gravity air locking valve is opened, the coarse fodder is discharged from the coarse fodder outlet, and after the coarse fodder is discharged completely, the gravity air locking valve is closed, and the coarse fodder is circulated and reciprocated in this way, so that the air separation effect of the steel slag sand can be effectively improved.
In some preferred embodiments, two ends of the first deflector are respectively arranged on the front side wall and the rear side wall of the V-shaped box body through connecting pieces; the connecting piece comprises a connecting plate, a first screw rod, a first nut and a second nut; the connecting plate is arranged at one end of the first screw rod; a clamping groove is formed in the connecting plate; one end of the first guide plate is inserted into the clamping groove and is fixed through a second screw rod; mounting holes are respectively formed in the front side wall and the rear side wall of the V-shaped box body; one end of the first screw rod penetrates through the mounting hole and is matched with the first nut and the second nut to fix the connecting piece on the V-shaped box body.
Through adopting above-mentioned technical scheme, can be through the adjustment first nut with the second nut, make first screw rod can be in the mounting hole internal rotation or fixed, realize right rotation or fixed of first guide plate, thereby adjust effectively the contained angle between first guide plate and the horizontal plane, and then can be according to the demand of producer to slag sand particle size scope, the suitable slag sand of selection by winnowing particle size scope.
In summary, the winnowing device for producing the steel slag sand has the following advantages:
(1) The grain size of the steel slag sand subjected to winnowing can be adjusted according to the requirements;
(2) The device has simple structure and lower manufacturing cost, and is suitable for industrialized popularization.
Drawings
FIG. 1 is a schematic structural view of a wind separation device for steel slag sand production according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the first baffle 10 and the connector 11 in fig. 1;
fig. 3 is an exploded schematic view of the first baffle 10 and the connector 11 of fig. 2;
figure 4 is a schematic view of the structure of the baffle plate 9 of figure 1;
wherein, 1, V-shaped box body; 2. a feed inlet; 3. an air inlet; 4. a scattering plate; 5. a coarse material outlet; 6. gravity air locking valve; 7. a second deflector; 8. a medium outlet; 9. a blocking screen; 91. a sieve pore; 10. a first deflector; 101. a first mounting hole; 11. a connecting piece; 111. a connecting plate; 112. a first nut; 113. a first screw; 114. a second nut; 115. a clamping groove; 116. a second mounting hole; 117. a second screw; 12. and an air outlet.
Detailed Description
The invention will be further described with reference to the following drawings in conjunction with the preferred embodiments.
Referring to fig. 1, the air separation device for steel slag sand production in the present embodiment includes a V-shaped box 1, and a first deflector 10, a second deflector 7 and a scattering plate 4 disposed in the V-shaped box 1; the top of the V-shaped box body 1 is provided with a feed inlet 2, and the bottom is provided with a coarse material outlet 5; the upper end of the left side wall of the V-shaped box body 1 is provided with an air outlet 12, and the lower end is provided with a middle material outlet 8; the upper end of the right side wall of the V-shaped box body 1 is provided with an air inlet 3; the scattering plates 4 are distributed below the feed inlet 2 in a step shape and are used for dispersing the steel slag raw materials entering from the feed inlet 2 and guiding the dispersed steel slag raw materials to the left side under the action of wind entering from the air inlet 3; two ends of the scattering plate 4 are respectively arranged on the front side wall and the rear side wall of the V-shaped box body 1; the air guide openings formed by surrounding between two adjacent scattering plates 4 are communicated with the air inlet 3 and are used for guiding the air entering from the air inlet 3 to the left side of the scattering plates 4; the first guide plate 10 is arranged at the left side of the scattering plate 4 and is used for guiding the medium materials in the steel slag raw materials into the second guide plate 7; two ends of the first guide plate 10 are respectively arranged on the front side wall and the rear side wall of the V-shaped box body 1 through connecting pieces 11; the middle materials are guided to the second guide plates 7 by the air guide openings formed by surrounding between two adjacent first guide plates 10; the included angle between the first guide plate 10 and the horizontal plane is adjustable; the second deflector 7 is arranged at the intermediate material outlet 8 for guiding intermediate material out of the intermediate material outlet 8.
When the winnowing device in the embodiment is adopted to winnow the steel slag raw material, the steel slag raw material is added from the feed inlet 2, falls onto the scattering plate 4 under the action of gravity, is dispersed on the scattering plate 4 distributed in a step shape, and is guided to the left side of the scattering plate 4 under the action of wind entering from the air inlet 3 and by matching with the guiding action of the scattering plate 4; wherein, the fine steel slag powder in the steel slag raw material flows out from the air outlet 12 along with wind, the coarse material of the steel slag raw material flows out from the coarse material outlet 5, and the middle material in the steel slag raw material, namely steel slag sand, is guided to the first guide plate 10; the steel slag sand is guided into a second guide plate 7 under the action of a first guide plate 10, and the second guide plate 7 guides the steel slag sand to a middle material outlet 8; the grain size range of the steel slag sand can be adjusted by changing the included angle between the first guide plate 10 and the horizontal plane, and the steel slag sand has simple structure and lower manufacturing cost.
In the present embodiment, the front surface is shown in fig. 1, and the remaining orientations including the back, upper, lower, left and right are defined with reference thereto, so that the following front side surface, back side surface, upper and lower, left side surface and right side surface are defined with reference to the above orientations.
Specifically, the top of the V-shaped box body 1 is also provided with a charging hopper, and the bottom of the charging hopper is communicated with the inside of the V-shaped box body 1 through a feeding hole 2; the air inlet 3 is communicated with the fan; the air outlet 12 is connected with a steel slag fine powder collecting device for collecting steel slag fine powder; the medium outlet 8 is connected with a steel slag sand collecting device for collecting steel slag sand; the coarse material outlet 5 is connected with a coarse material collecting device for collecting steel slag sand coarse materials; the hopper, the fan, the steel slag sand fine powder collecting device, the steel slag sand collecting device and the coarse material collecting device are all of the prior art and do not relate to the invention, so the invention is not repeated herein and is not shown in the drawings.
Specifically, referring to fig. 1, the upper end of the coarse material outlet 5 is provided with a gravity air lock valve 6 for controlling the opening or closing of the coarse material outlet 5.
It should be noted that, the gravity air lock valve 6 in the embodiment is an existing product, and may be purchased directly from the market, and the specific structure of the gravity air lock valve 6 is not related to the invention, so it is not described herein.
Specifically, referring to fig. 1 and 4, a blocking screen 9 is disposed on the second deflector 7 to prevent coarse materials or light impurities with larger particle sizes in the steel slag raw materials from passing through the intermediate material outlet 8; the blocking screen 9 is provided with a screen hole 91, and the blocking screen 9 is detachably arranged on the second guide plate 7; the specification of the blocking screen 9 can be changed according to the requirement; the specifications of the blocking screen 9 include the mesh number and the aperture diameter of the screen holes 91 of the blocking screen 9.
The barrier screen 9 may be detachably arranged on the second deflector 7 by means of screws or bolts, for example.
In this embodiment, the ratio of the aperture of the air outlet 12 to the aperture of the air inlet 3 is 1/4.
As a modification of the present embodiment, the ratio of the aperture of the air outlet 12 to the aperture of the air inlet 3 may be 1/3.
In the present embodiment, the number of the first deflectors 10 is 3; the 3 first guide plates 10 are uniformly distributed between the air outlet 12 and the middle material outlet 8 from top to bottom.
Illustratively, the centers of 3 of the first baffles 10 are located on the same heavy vertical line.
As a modification of the present embodiment, the number of the first deflectors 10 may also be 10; the 10 first guide plates 10 are uniformly distributed between the air outlet 12 and the middle material outlet 8 in a step shape from top to bottom.
In this embodiment, the included angle between the first baffle 10 and the horizontal plane is 30 degrees.
As a modification of this embodiment, the angle between the first baffle 10 and the horizontal plane may be 15 degrees or 65 degrees.
In the present embodiment, the number of the break-up plates 4 is 8. Evenly distributed on the left side of the air inlet 3.
As a modification of the present embodiment, the number of the break-up plates 4 may also be 5 or 15.
In this embodiment, the included angle between the scattering plate 4 and the horizontal plane is 15 degrees.
As a modification of the present embodiment, the angle between the scattering plate 4 and the horizontal plane may be 5 or 30 degrees.
Exemplarily, referring to fig. 2 and 3, the connection member 11 includes a connection plate 111, a first screw 113, a first nut 112, and a second nut 114; the connection plate 111 is provided at one end of the first screw 113; the connecting plate 111 is provided with a clamping groove 115; one end of the first deflector 10 is inserted into the clamping groove 115; the two ends of the first guide plate 10 are respectively provided with a first mounting hole 101; correspondingly, the connecting plate 111 is provided with a second mounting hole 116; the first deflector 10 and the connecting plate 111 are fixed by being matched with the first mounting hole 101 and the second mounting hole 116 through the second screw 117; mounting holes (not shown in the figure) are respectively formed on the front side wall and the rear side wall of the V-shaped box body 1; one end of the first screw 113 passes through the mounting hole and cooperates with the first nut 112 and the second nut 114 to fix the connecting member 11 to the V-shaped case 1; the first nut 112 is positioned in the V-shaped box body 1, and the second nut 114 is positioned outside the V-shaped box body 1 and is positioned on the first screw 113; the first nut 112, the second nut 114, and the first screw 113 cooperate to clamp the side wall of the V-shaped case 1 between the first nut 112 and the second nut 114. When the included angle between the first deflector 10 and the horizontal plane needs to be adjusted, the first nut 112 and the second nut 114 are loosened, then the first deflector 10 is rotated to adjust the included angle between the first deflector 10 and the horizontal plane, and finally the first nut 112 and the second nut 114 are tightened to fix the connecting piece 11 on the front side wall and the rear side wall of the V-shaped box body 1, so that the first deflector 10 is fixed.
The working process of the winnowing device for steel slag sand production in the embodiment comprises the following steps: firstly, starting the fan, adding steel slag raw materials from a feed inlet 2, enabling the steel slag raw materials to fall onto a scattering plate 4 under the action of gravity, dispersing the steel slag raw materials on the scattering plate 4 in a step-shaped distribution, and guiding the steel slag raw materials to the left side of the scattering plate 4 under the action of wind entering from an air inlet 3 and by matching with the guiding action of the scattering plate 4; wherein, the steel slag fine powder in the steel slag raw material flows out from the air outlet 12 along with wind and is collected by the steel slag fine powder collecting device; coarse materials of the steel slag raw materials flow out from a coarse material outlet 5 and are collected by the coarse material collecting device; the medium materials in the steel slag raw materials, namely steel slag sand, are guided to the first guide plate 10; the steel slag sand is guided into a second guide plate 7 under the action of a first guide plate 10, and the second guide plate 7 guides the steel slag sand to a middle material outlet 8 and collects the steel slag sand through the steel slag sand collecting device; when the grain size of the steel slag sand needs to be changed, the grain size can be realized by adjusting the included angle between the first guide plate 10 and the horizontal plane.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several equivalent substitutions and obvious modifications can be made without departing from the spirit of the invention, and the same should be considered to be within the scope of the invention.
Claims (1)
1. A winnowing device for producing steel slag sand is characterized by comprising a V-shaped box body, a first guide plate, a second guide plate and a scattering plate, wherein the first guide plate, the second guide plate and the scattering plate are arranged in the V-shaped box body; the top of the V-shaped box body is provided with a feed inlet, and the bottom of the V-shaped box body is provided with a coarse material outlet; an air outlet is formed in the upper end of the left side wall of the V-shaped box body, and a middle material outlet is formed in the lower end of the left side wall of the V-shaped box body; the upper end of the right side wall of the V-shaped box body is provided with an air inlet; the scattering plates are distributed below the feed inlet in a stepped manner and are used for dispersing steel slag raw materials entering from the feed inlet and guiding the dispersed steel slag raw materials to the left side under the action of wind entering from the air inlet; the first guide plate is arranged at the left side of the scattering plate and is used for guiding the medium materials in the steel slag raw materials into the second guide plate; the included angle between the first guide plate and the horizontal plane is adjustable; the second guide plate is arranged at the middle material outlet and used for guiding the middle material out of the middle material outlet, a blocking screen is arranged on the second guide plate and used for preventing coarse materials or light impurities with larger particle sizes in the steel slag raw materials from passing through the middle material outlet, the ratio of the caliber of the air outlet to the caliber of the air inlet is 1/4-1/3, and the number of the first guide plates is 3-10; the first guide plates are uniformly distributed between the air outlet and the middle material outlet from top to bottom, the included angle between the first guide plates and the horizontal plane is 15-65 degrees, and the number of the scattering plates is 5-15; the plurality of scattering plates are uniformly distributed on the left side of the air inlet from top to bottom, the included angle between the scattering plates and the horizontal plane is 5-30 degrees, and the blocking screen is detachably arranged on the second guide plate; the specification of the blocking screen can be changed according to the requirement, the upper end of the coarse material outlet is provided with a gravity air locking valve for controlling the opening or closing of the coarse material outlet, and the two ends of the first guide plate are respectively arranged on the front side wall and the rear side wall of the V-shaped box body through connecting pieces; the connecting piece comprises a connecting plate, a first screw rod, a first nut and a second nut; the connecting plate is arranged at one end of the first screw rod; a clamping groove is formed in the connecting plate; one end of the first guide plate is inserted into the clamping groove and is fixed through a second screw rod; mounting holes are respectively formed in the front side wall and the rear side wall of the V-shaped box body; one end of the first screw rod penetrates through the mounting hole and is matched with the first nut and the second nut to fix the connecting piece on the V-shaped box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589488.0A CN109675804B (en) | 2018-12-25 | 2018-12-25 | Winnowing device for steel slag sand production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589488.0A CN109675804B (en) | 2018-12-25 | 2018-12-25 | Winnowing device for steel slag sand production |
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| CN109675804A CN109675804A (en) | 2019-04-26 |
| CN109675804B true CN109675804B (en) | 2023-11-10 |
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| CN201811589488.0A Active CN109675804B (en) | 2018-12-25 | 2018-12-25 | Winnowing device for steel slag sand production |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111167589B (en) * | 2020-01-10 | 2021-03-19 | 湘潭玉峰新材料科技有限公司 | Dry sand making process |
| CN111468405A (en) * | 2020-05-12 | 2020-07-31 | 苏州嘉诺环境工程有限公司 | Light and heavy material separation system |
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| CN109675804A (en) | 2019-04-26 |
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