CN111617963B - Gypsum powder airflow separator - Google Patents
Gypsum powder airflow separator Download PDFInfo
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- CN111617963B CN111617963B CN202010527633.3A CN202010527633A CN111617963B CN 111617963 B CN111617963 B CN 111617963B CN 202010527633 A CN202010527633 A CN 202010527633A CN 111617963 B CN111617963 B CN 111617963B
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- barrel
- cylinder
- particle outflow
- material blocking
- airflow
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- 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
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- 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
- B07B11/02—Arrangement of air or material conditioning accessories
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- 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
- B07B7/04—Selective separation of solid materials carried by, or dispersed in, gas currents by impingement against baffle separators
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/466—Conversion of one form of calcium sulfate to another
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/468—Purification of calcium sulfates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/02—Methods and apparatus for dehydrating gypsum
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
Abstract
The invention discloses a gypsum powder airflow separator, belonging to gypsum powder production equipment, aiming at solving the technical problems of avoiding the accumulation of large particles at the bottom of a fluidized bed furnace, ensuring the boiling effect, improving the gypsum powder quality, reducing the furnace cleaning times, reducing the labor intensity of workers and improving the working efficiency, and adopting the technical scheme that: the structure of the pneumatic separation device comprises a pneumatic separation cylinder, a feeding cylinder is arranged at the lower end of the pneumatic separation cylinder, a discharging cylinder is arranged at the upper end of the pneumatic separation cylinder, a material blocking cylinder is arranged at the position, close to the upper part, in the pneumatic separation cylinder, a wind shielding structure is arranged between the outer side wall of the material blocking cylinder and the inner side wall of the pneumatic separation cylinder, a large-particle outflow structure is arranged at the position, close to the lower part, in the middle of the pneumatic separation cylinder, the inlet end of the large-particle outflow structure is located at the position, close to the lower part, in the pneumatic separation cylinder, of the middle of the large-particle outflow structure, and the outlet end of the large-particle outflow structure is located at the inclined lower part outside the pneumatic separation cylinder.
Description
Technical Field
The invention relates to gypsum powder production equipment, in particular to a gypsum powder airflow separator.
Background
The industrial by-product gypsum is a by-product or waste residue which is generated in industrial production due to chemical reaction and takes calcium sulfate as a main component, and mainly comprises phosphogypsum, desulfurized gypsum, citric acid gypsum, fluorgypsum, salt gypsum, monosodium glutamate gypsum, copper gypsum, titanium gypsum and the like. The industrial by-product gypsum is usually prepared fromThe free water content is large, and the harmful impurities are more, so that the water cannot be directly utilized. Dehydrating industrial by-product gypsum, and converting dihydrate gypsum into beta-CaSO4·0.5H2And (3) preparing the O phase into building gypsum and products.
The industrial by-product gypsum contains a certain amount of impurities such as coal cinder, pebbles, large-particle anhydrite and the like; after surface water and a small amount of crystal water are removed from industrial byproduct gypsum through a hammer dryer and an airflow dryer, particle impurities are separated through a rotary screen and enter a fluidized bed furnace for calcination, the rotary screen plays a role in separating the particle impurities in the process, a screen mesh of the rotary screen is 3mm x 3mm, particles smaller than 3mm can enter a calcining furnace, gypsum powder in the calcining furnace is subjected to high-position feeding and high-position discharging in a working flow, the particles larger than 1mm cannot be discharged, a large amount of large particles can be accumulated at the bottom of the fluidized bed furnace along with long-time accumulation, the boiling is not good, the quality of the gypsum powder is reduced, and only large particle impurities at the bottom of the fluidized bed furnace can be stopped and cleaned. The more particles in the original paste are, the more frequent the furnace cleaning is, generally the furnace cleaning is needed once in 10-15 days, the furnace cleaning time is probably 4 hours, the labor intensity is high, and the product quality and the working efficiency are seriously influenced.
How so avoid the fluidized bed furnace stove bottom large granule thing to pile up, ensure the boiling effect, improve the gesso quality, reduce the clear stove number of times simultaneously, reduce workman intensity of labour, improve work efficiency is the present technical problem who urgently waits to solve.
Disclosure of Invention
The invention aims to provide a gypsum powder airflow separator, which solves the problems of how to avoid accumulation of large particles at the bottom of a fluidized bed furnace, ensure the fluidized bed effect, improve the gypsum powder quality, reduce the times of furnace cleaning, reduce the labor intensity of workers and improve the working efficiency.
The technical task of the invention is realized in the following way, the gypsum powder airflow separator comprises an airflow separation barrel, a feeding barrel is arranged at the lower end of the airflow separation barrel, a discharging barrel is arranged at the upper end of the airflow separation barrel, a material blocking barrel is arranged at the position close to the upper middle part in the airflow separation barrel, a wind shielding structure is arranged between the outer side wall of the material blocking barrel and the inner side wall of the airflow separation barrel, a large particle outflow structure is arranged at the position close to the lower middle part in the airflow separation barrel, the inlet end of the large particle outflow structure is positioned at the position close to the lower middle part in the airflow separation barrel, and the outlet end of the large particle outflow structure is positioned at the inclined lower part outside the airflow separation barrel.
Preferably, a plurality of supporting tubes are arranged between the material blocking barrel and the airflow separation barrel, and the supporting tubes are uniformly distributed along the circumference of the material blocking barrel; stay tube one end is fixed on the lateral wall that keeps off the feed cylinder, and the stay tube other end is fixed on the inside wall of air flow separation section of thick bamboo.
Preferably, the wind shielding structures are arranged in a plurality of numbers, and the wind shielding structures are uniformly distributed along the circumference of the material blocking barrel.
Preferably, the wind shielding structure comprises an adjusting wind shielding plate, a first rotating shaft and a second rotating shaft are arranged at two ends of the adjusting wind shielding plate respectively, one end of the first rotating shaft is fixedly installed at one end of the adjusting wind shielding plate, the other end of the first rotating shaft penetrates through the side wall of one side of the material blocking barrel and is in rotating fit with the material blocking barrel through a first shaft sleeve, and the first shaft sleeve is fixedly installed on the inner side wall of the material blocking barrel; one end of the second rotating shaft is fixedly installed at the other end of the adjusting wind screen, the other end of the second rotating shaft penetrates through the side wall of one side of the airflow separation cylinder and is in running fit with the airflow separation cylinder through the second shaft sleeve, and the second shaft sleeve is fixedly installed on the outer side wall of the airflow separation cylinder, so that the angle of the adjusting wind screen is adjusted, and the purpose of adjusting the air volume and the air speed is achieved.
Preferably, the adjusting wind shield is trapezoidal, the trapezoidal adjusting wind shield is circumferentially and uniformly distributed along the material blocking cylinder, and the adjusting wind shield can adopt a blade.
Preferably, the large particle outflow structure is a tree structure consisting of a large particle outflow main pipe and at least two large particle outflow branch structures arranged at the upper end of the large particle outflow main pipe, the large particle outflow main pipe is positioned outside the gas flow separation cylinder, and the outlet end of the large particle outflow main pipe is positioned below the feeding cylinder.
More preferably, the branch structure is flowed out by the large granule and is the palm shape structure of constituteing at least four large granule outflow branch sub-pipes of large granule outflow branch pipe upper end by the large granule outflow branch pipe and setting, and the large granule outflow branch pipe is located the outside of air current separation section of thick bamboo, and the large granule outflow branch sub-pipe is located the inside and large granule outflow branch sub-pipe's of air current separation section of thick bamboo entry end is located the below that keeps off the feed cylinder.
Preferably, the airflow separation cylinder is of a cylinder structure consisting of a cylindrical speed reduction part, a conical material blocking part and a conical buffer part which are sequentially arranged from top to bottom, the discharging cylinder is positioned at the upper end of the cylindrical speed reduction part, and the feeding cylinder is positioned at the lower end of the conical buffer part; the large particle outflow branch sub-pipe is positioned in the conical buffer part.
More preferably, the position that the cylinder speed reduction portion middle part leaned on and the position that the circular cone portion of keeping off the material middle part leaned on down are provided with a manhole clearance door respectively, make things convenient for the workman to regularly clear away the gas flow separation section of thick bamboo.
Preferably, the material blocking barrel is of a barrel structure consisting of an upper cone part, a middle straight section part, a middle conical part and a lower cone part which are sequentially arranged from top to bottom, the adjusting wind blocking plate is positioned at a position close to the middle part of the middle conical part and is circumferentially and uniformly distributed along the middle conical part.
The gypsum powder airflow separator has the following advantages:
the invention not only greatly reduces the separation burden of the rotary screen, prolongs the material drying time, ensures that the drying is more uniform and sufficient, but also ensures that large-particle materials are more thoroughly separated, reduces the furnace cleaning times, improves the production efficiency, and reduces the production cost and the labor intensity;
the invention ensures that the calcining furnace has good boiling effect and more stable product quality, and has the advantages of simple structure, convenient installation, operation and maintenance, low manufacturing cost, good separation effect, uniform drying and the like;
the middle upper position in the airflow separation cylinder is provided with the material blocking cylinder, so that large-particle materials are effectively prevented from entering the airflow separation cylinder from the feeding cylinder and then directly entering the discharging cylinder, when the large-particle materials pass through the adjusting wind shield of the wind shielding structure between the outer side wall of the material blocking cylinder and the inner side wall of the airflow separation cylinder, the large-particle materials are settled and flow out from the large-particle outflow header pipe, the times of furnace cleaning and furnace shutdown are reduced, and the production efficiency is improved;
the angle of the wind shield can be adjusted, so that the aim of adjusting the air quantity and the air speed is fulfilled;
and (V) a manhole cleaning door is arranged on the airflow separation cylinder, so that workers can clean the airflow separation cylinder regularly.
Therefore, the invention has the characteristics of reasonable design, simple structure, easy processing, small volume, convenient use, multiple purposes and the like, thereby having good popularization and use values.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a gypsum powder airflow separator;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
fig. 5 is an enlarged view of a portion of fig. 1 at I.
In the figure: 1. the device comprises an airflow separation cylinder 1-1, a cylindrical speed reduction part 1-2, a conical material blocking part 1-3, a conical buffer part 2, a feeding cylinder 3, a discharging cylinder 4, a material blocking cylinder 4-1, an upper cone part 4-2, a middle straight section part 4-3, a middle cone part 4-4, a lower cone part 5, a wind shielding structure 5-1, an adjusting wind shielding plate 5-2, a first rotating shaft 5-3, a second rotating shaft 5-4, a first shaft sleeve 5-5, a second shaft sleeve 6, a support pipe 7, a main large particle outflow pipe 8, a large particle outflow branch pipe 9, a large particle outflow branch pipe 10 and a manhole cleaning door.
Detailed Description
A gypsum powder air flow separator of the present invention is described in detail below with reference to the drawings and the accompanying detailed description.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description. And are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The embodiment is as follows:
as shown in the attached figure 1, the gypsum powder airflow separator mainly comprises an airflow separation cylinder 1, a material blocking cylinder 4, a wind shielding structure 5 and a large particle outflow structure. The airflow separation cylinder 1 is of a cylinder structure consisting of a cylindrical speed reduction part 1-1, a conical material blocking part 1-2 and a conical buffer part 1-3 which are sequentially arranged from top to bottom; the upper end of the cylindrical speed reducing part 1-1 is provided with a discharging barrel 3, and the inner diameter of the discharging barrel 3 is smaller than that of the cylindrical speed reducing part 1-1; the inner diameter of the cylindrical decelerating part 1-1 is not smaller than the maximum inner diameter of the conical material stopping part 1-2, the conical material stopping part 1-2 is arranged at the lower end of the cylindrical decelerating part 1-1 in a structural form that the conical material stopping part is wider than the conical material stopping part 1-2 and the minimum inner diameter of the conical material stopping part 1-2 is not smaller than the maximum inner diameter of the conical buffering part 1-3, the conical buffering part 1-3 is arranged at the lower end of the conical material stopping part 1-2 in a structural form that the conical material stopping part is wider than the conical material stopping part 1-2 and the lower end of the conical buffering part 1-3 is provided with the feeding cylinder 2, and the inner diameter of the feeding cylinder 2 is not larger than the minimum inner diameter of the conical buffering part 1-3. A manhole cleaning door 10 is respectively arranged at the upper position of the middle part of the cylindrical speed reducing part 1-1 and the lower position of the middle part of the conical material blocking part 1-2, so that workers can clean the airflow separating cylinder 1 regularly. The material blocking barrel 4 is of a barrel structure consisting of an upper cone part 4-1, a middle straight section part 4-2, a middle cone part 4-3 and a lower cone part 4-4 which are sequentially arranged from top to bottom, and the material blocking barrel 4 is arranged at the upper position close to the middle part in the airflow separation barrel 1 in a structural form of being wider at the upper part and narrower at the lower part; the included angle of the top end of the upper cone part 4-1 is 106 degrees, the maximum inner diameter of the upper cone part 1-1 is not more than the inner diameter of the middle straight section part 4-2, the inner diameter of the middle straight section part 4-2 is not less than the maximum inner diameter of the middle cone part 4-3, the middle cone part 4-3 is arranged at the lower end of the middle straight section part 4-2 in a structural mode that the upper part is wide and the lower part is narrow, and the minimum inner diameter of the middle cone part 4-3 is not less than the maximum inner diameter of the lower cone part 4-4.
As shown in the attached drawing 2, the wind shielding structures 5 are located between the outer side wall of the material blocking barrel 4 and the inner side wall of the airflow separation barrel 1, the wind shielding structures 5 are installed in a plurality, and the wind shielding structures 5 are uniformly distributed along the circumference of the material blocking barrel 4. The large granule outflow structure is located the position that the middle part of an air flow separation section of thick bamboo 1 leaned on down, and the entry end of large granule outflow structure is located the position that the middle part leaned on down in the air flow separation section of thick bamboo 1, and the exit end of large granule outflow structure is located the oblique below department of an air flow separation section of thick bamboo 1 outside. A plurality of supporting tubes 6 are arranged between the material blocking barrel 4 and the airflow separation barrel 1, and the supporting tubes 6 are uniformly distributed along the circumference of the middle conical part 4-3; one end of the supporting tube 6 is fixed on the outer side wall of the middle conical part 4-3, and the other end of the supporting tube 6 is fixed on the inner side wall of the conical material stopping part 1-2.
As shown in the attached drawings 3 and 5, the wind shielding structure 5 comprises an adjusting wind shielding plate 5-1, two ends of the adjusting wind shielding plate 5-1 are respectively and fixedly provided with a first rotating shaft 5-2 and a second rotating shaft 5-3, one end of the first rotating shaft 5-2 is fixedly arranged at one end of the adjusting wind shielding plate 5-1, the other end of the first rotating shaft 5-2 penetrates through the side wall of one side of the middle conical part 4-3 and is in rotating fit with the side wall of the middle conical part 4-3 through a first shaft sleeve 5-4, and the first shaft sleeve 5-4 is fixedly arranged on the inner side wall of the middle conical part 4-3; one end of the second rotating shaft 5-3 is fixedly arranged at the other end of the adjusting wind shield 5-1, the other end of the second rotating shaft 5-3 penetrates through the side wall of one side of the conical material blocking part 1-2 and is in running fit with the side wall of the conical material blocking part 1-2 through the second shaft sleeve 5-5, the second shaft sleeve 5-5 is fixedly arranged on the outer side wall of the conical material blocking part 1-2 through bolts, after the bolts are loosened, the first rotating shaft 5-2 and the second rotating shaft 5-3 rotate and adjust the angle of the adjusting wind shield 5-1, the purpose of adjusting the air quantity and the wind speed is achieved, and the effect is best when the adjusting wind shield 5-1 is inclined by 70 degrees. The adjusting wind shields 5-1 are trapezoidal, the trapezoidal adjusting wind shields 5-1 are located at positions close to the middle of the middle conical part 4-3, and the adjusting wind shields 5-1 are evenly distributed along the circumference of the middle conical part 4-3. The adjusting wind shield 5-1 can adopt a blade, and the blade can be used for smashing part of large-particle materials, so that the quantity of the large-particle materials is reduced.
As shown in the attached FIG. 4, the large particle outflow structure is a tree structure consisting of a large particle outflow main pipe 7 and two large particle outflow branch structures installed at the upper end of the large particle outflow main pipe 7, the large particle outflow main pipe 7 is located outside the gas flow separation cylinder 1, and the outlet end of the large particle outflow main pipe 7 is located below the feeding cylinder 2. The large particle outflow branch structure is a palm-shaped structure consisting of a large particle outflow branch pipe 8 and four large particle outflow branch sub-pipes 9 arranged at the upper end of the large particle outflow branch pipe 8, the large particle outflow branch pipe 8 is positioned outside the airflow separation barrel 1, the large particle outflow branch sub-pipes 9 are positioned in the conical buffer part 1-3, and the inlet ends of the large particle outflow branch sub-pipes 9 are positioned below the material blocking barrel 4.
The working process is as follows:
the hot air flow carries the particle materials from the feeding cylinder 2 of the hammer dryer to enter the conical buffer part 1-3 of the air flow separation cylinder 1, the sectional area of the cylindrical deceleration part 1-1 of the air flow separation cylinder 1 (compared with the sectional area of the outlet of the hammer dryer in the previous process and the feeding cylinder 2 of the invention) is suddenly increased, the flow speed of the air flow is suddenly reduced, the large particle materials (80 percent of particles larger than 1 mm) collide with the lower cone part 4-4, the initial kinetic energy of the particles is reduced, the initial movement direction of the air flow is changed to guide the flow towards the inner wall direction of the air flow separation cylinder, the particles after the speed reduction continuously rub and collide with the adjusting wind screen 5-1 and the middle cone part 4-3, the kinetic energy of the air flow and the particle materials is greatly reduced, the settling effect of the large particle materials occurs, the large particle materials reversely fall through the guide of the upper cone part 4-1, and finally the large particles entering the air flow separation cylinder 1 flow out of the branch pipe 9, from the large particle outflow branch pipe 9 into the large particle outflow branch pipe 8, the large particles are separated from the particle outflow header pipe 7. The larger the particles are, the more easily the sedimentation effect is generated, and the angle of the wind shield 5-1 can be adjusted according to the particle separation condition (the size of the separated particle materials), so that the aim of adjusting the air quantity and the air speed is fulfilled. The small particle materials are carried out with the discharge barrel 3 by the hot air flow to enter the airflow dryer of the next working procedure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A gypsum powder airflow separator is characterized by comprising an airflow separation barrel, wherein a feeding barrel is arranged at the lower end of the airflow separation barrel, a discharging barrel is arranged at the upper end of the airflow separation barrel, a material blocking barrel is arranged at the upper position of the middle part in the airflow separation barrel, a wind shielding structure is arranged between the outer side wall of the material blocking barrel and the inner side wall of the airflow separation barrel, a large-particle outflow structure is arranged at the lower position of the middle part in the airflow separation barrel, the inlet end of the large-particle outflow structure is positioned at the lower position of the middle part in the airflow separation barrel, and the outlet end of the large-particle outflow structure is positioned at the oblique lower position outside the airflow separation barrel;
the wind shielding structure comprises an adjusting wind shielding plate, a first rotating shaft and a second rotating shaft are respectively arranged at two ends of the adjusting wind shielding plate, one end of the first rotating shaft is fixedly arranged at one end of the adjusting wind shielding plate, the other end of the first rotating shaft penetrates through the side wall of one side of the material blocking barrel and is in rotating fit with the material blocking barrel through a first shaft sleeve, and the first shaft sleeve is fixedly arranged on the inner side wall of the material blocking barrel; one end of the second rotating shaft is fixedly arranged at the other end of the adjusting wind shield, the other end of the second rotating shaft penetrates through the side wall of one side of the airflow separation cylinder and is in running fit with the airflow separation cylinder through a second shaft sleeve, and the second shaft sleeve is fixedly arranged on the outer side wall of the airflow separation cylinder;
the large-particle outflow structure is a tree-shaped structure consisting of a large-particle outflow main pipe and at least two large-particle outflow branch structures arranged at the upper end of the large-particle outflow main pipe, the large-particle outflow main pipe is positioned outside the airflow separation cylinder, and the outlet end of the large-particle outflow main pipe is positioned below the feeding cylinder;
the large particle outflow branch structure is a palm-shaped structure consisting of a large particle outflow branch pipe and at least four large particle outflow branch sub-pipes arranged at the upper end of the large particle outflow branch pipe, the large particle outflow branch pipe is positioned outside the airflow separation cylinder, the large particle outflow branch sub-pipes are positioned inside the airflow separation cylinder, and the inlet ends of the large particle outflow branch sub-pipes are positioned below the material blocking cylinder;
the airflow separation cylinder is of a cylinder structure consisting of a cylindrical speed reduction part, a conical material blocking part and a conical buffer part which are sequentially arranged from top to bottom, the discharging cylinder is positioned at the upper end of the cylindrical speed reduction part, and the feeding cylinder is positioned at the lower end of the conical buffer part; the large particle outflow branch sub-pipe is positioned in the conical buffer part;
the material blocking barrel is of a barrel structure consisting of an upper cone part, a middle straight section part, a middle conical part and a lower cone part which are sequentially arranged from top to bottom, and the adjusting wind shields are located at the positions, close to the lower part, of the middle conical part and are circumferentially and uniformly distributed along the middle conical part.
2. The gypsum powder airflow separator according to claim 1, wherein a plurality of support pipes are arranged between the material blocking barrel and the airflow separating barrel, and are uniformly distributed along the circumference of the material blocking barrel; one end of the supporting tube is fixed on the outer side wall of the material blocking cylinder, and the other end of the supporting tube is fixed on the inner side wall of the airflow separation cylinder.
3. The gypsum powder airflow separator according to claim 1, wherein the wind shielding structure is provided in plurality, and the wind shielding structures are uniformly distributed along the circumference of the material blocking barrel.
4. The gypsum powder airflow separator according to claim 1, wherein the adjusting wind shields are trapezoidal, and the trapezoidal adjusting wind shields are uniformly distributed along the circumference of the dam cylinder.
5. The gypsum powder airflow separator as claimed in claim 1, wherein a manhole cleaning door is respectively arranged at a position close to the upper middle part of the cylindrical decelerating part and a position close to the lower middle part of the conical stopping part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010527633.3A CN111617963B (en) | 2020-06-11 | 2020-06-11 | Gypsum powder airflow separator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010527633.3A CN111617963B (en) | 2020-06-11 | 2020-06-11 | Gypsum powder airflow separator |
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| CN111617963A CN111617963A (en) | 2020-09-04 |
| CN111617963B true CN111617963B (en) | 2022-07-12 |
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| DE2951819C2 (en) * | 1979-12-21 | 1982-09-16 | Omya GmbH, 5000 Köln | Centrifugal separator |
| CN2703586Y (en) * | 2004-06-01 | 2005-06-08 | 无锡市华通环保设备有限公司 | Parallel multi-passage axial middlings separator |
| CN204912075U (en) * | 2015-08-17 | 2015-12-30 | 泰山石膏股份有限公司 | Novel middlings separation device |
| CN205095974U (en) * | 2015-08-28 | 2016-03-23 | 北京电力设备总厂有限公司 | Biax flows baffle separator |
| CN105794424A (en) * | 2016-04-01 | 2016-07-27 | 重庆鼎工机电有限公司 | Discharging cylinder |
| DE102016117383B4 (en) * | 2016-09-15 | 2023-09-21 | Siempelkamp Maschinen- Und Anlagenbau Gmbh | Sifter |
| CN106622617B (en) * | 2017-02-27 | 2018-08-07 | 中国华电集团科学技术研究总院有限公司 | Tailing separator is used in binary channels rotation |
| CN208390138U (en) * | 2018-03-05 | 2019-01-18 | 呼伦贝尔安泰热电有限责任公司海拉尔热电厂 | Blower mill |
| CN111112077A (en) * | 2019-12-30 | 2020-05-08 | 嘉兴新博信息科技有限公司 | Rotor type metal mineral powder selecting machine |
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| CN111617963A (en) | 2020-09-04 |
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