Background technology
Sorting of granular material treatment technology in the extensive use of multiple fields, the grain processing of such as agriculture field, the sandstone production etc. of building materials field.For sandstone is produced, at present, existing sand system processed generally comprises disintegrating machine, the first sorting unit, the second sorting unit and dust collect plant.Technique is roughly, first by raw material by crusher in crushing, material after fragmentation carries out first time screening in the first sorting unit, and first time screening generally comprises screen cloth sorting and pneumatic separating, obtains coarse granule, fine grained and micro mist after screening, wherein, it is again broken that coarse granule is used for transporting disintegrating machine back, and fine grained is for sand processed, and micro mist enters the second sorting unit, and micro mist carries out programmed screening in this second sorting unit, obtains meal and fine powder.
The first sorting unit in this sand flow journey processed is a mineral bugduster apparatus, and first the broken thing from disintegrating machine is carried out classification according to specification fineness by the wind-force of wind pushing mechanism by the longitudinal direction, and dust is collected by negative pressure device.
Visible, in above-mentioned mineral bugduster apparatus, make broken thing carry out classification in the longitudinal direction according to specification fineness, wind pushing mechanism must provide very high blast, air quantity could realize, but too high blast, air quantity can carry away useful mineral and meal; Because the parent rock entering sand system processed is different, thus from the shape of disintegrating machine stone flour out, density must not be identical, required gumming wind speed also must not be identical.
To sum up, there is following shortcoming in existing sorting of granular material technology or gumming technology:
One, the wind pushing mechanism that very high blast, air quantity can be provided must be applied, cause product structure complexity, production and application cost high.
Two, the satisfactory material particles of part is pulled away, and affects production efficiency, or increases the cost of further sorting.
Three, the specific nature according to parent rock is difficult to, flexible modulation wind speed, air quantity, wind flow path.
Four, air flow path, Material moving track cannot regulate, and are unfavorable for the accurate sorting of mineral.
Utility model content
One of the purpose of this utility model is to provide a kind of gumming room, at least to solve the coarse problem of sorting of granular material in prior art.
Another object of the present utility model is to provide a kind of bugduster apparatus, and it has above-mentioned gumming room.
An object more of the present utility model is to provide a kind of sand system processed, and it has above-mentioned bugduster apparatus.
To achieve these goals, the technical scheme of gumming room that the utility model provides is:
A kind of gumming room, it is a cavity structure, comprise the charging aperture for inputting material, input air-flow the first air inlet, export carry partial material air-flow air outlet, export the discharging opening of leftover materials, described charging aperture, the first air inlet, air outlet, discharging opening are located on described cavity structure; Wherein, also comprising: regulating part, being located at described cavity structure inside or side, for changing the movement locus of air-flow, material, the material being less than a setting numerical value particle diameter is exported by described air outlet, thus the material of described setting numerical value particle diameter is accurately separated.
Preferably, in above-mentioned gumming room, described regulating part comprises at least one first baffle plate, described first baffle plate is located on the air flow path between described first air inlet and air outlet, and described first baffle plate and the straight line path between described first air inlet and air outlet have certain angle, to avoid air-flow, the material being greater than one first numerical value particle diameter is blown to described air outlet; And/or, described regulating part comprises at least one second baffle, described second baffle is arranged near described air outlet, and the air-flow in described second baffle and described air outlet has certain angle, to avoid air-flow, the material being greater than a second value particle diameter is blown out described air outlet; And/or, described regulating part comprises multiple third gear plate arranged in parallel, described third gear plate is positioned at below described air outlet, and the incline direction of described third gear plate is consistent with the airflow direction entering described air outlet, to avoid air-flow, the material being greater than a third value particle diameter is blown to described air outlet; And/or described regulating part comprises stop grid, described barrier grid case is in described air outlet, and described stop grid is vertical with the airflow direction in described air outlet, to avoid air-flow, the material being greater than one the 4th numerical value particle diameter is blown out described air outlet.
Preferably, in above-mentioned gumming room, the adjustable angle of described first baffle plate; And/or, the adjustable angle of described second baffle; And/or, the adjustable angle of described third gear plate.
Preferably, in above-mentioned gumming room, the mesh of described stop grid is rectangular, and in rectangular distribution; Or the mesh of described stop grid is fan-shaped, and radially distributes.
Preferably, in above-mentioned gumming room, described regulating part comprises the second air inlet, described first air inlet, the second air inlet are positioned at the not ipsilateral of described cavity structure, with from different perspectives and/or height to described cavity structure inside input air-flow, thus more accurate the material being less than described setting numerical value particle diameter to be blown out by described air outlet.
Preferably, in above-mentioned gumming room, described first air inlet, the second air inlet lay respectively at the relative both sides of described cavity structure, and described first air inlet and described charging aperture are positioned at the same side and are positioned at below described charging aperture; Described second air inlet and described air outlet are positioned at the same side and are positioned at below described air outlet.
Preferably, in above-mentioned gumming room, the top of described cavity structure is flat column, the bottom side of being frustum, and described first air inlet is positioned at the upper side of described cavity structure, and described second air inlet is positioned at the lower side of described cavity structure.
To achieve these goals, the technical scheme of bugduster apparatus that the utility model provides is:
A kind of bugduster apparatus, comprises gumming room, for generating the depression dust-removing mechanism of negative pressure absorbing dust, wherein, described gumming room is above-mentioned arbitrary gumming room, and the air outlet of described gumming room is connected with the import of described the aspiration of negative pressure mechanism by an airflow line.
Preferably, in described bugduster apparatus, described airflow line is provided with the Boiler pressure control mechanism for regulating air velocity in described gumming room, and described Boiler pressure control mechanism comprises: housing, and in tubular, two ends port is connected in described airflow line; Air door plate, is located in described housing movably, to regulate air-flow flux in described housing; Executing agency, is connected with described air door plate, for regulating the position of described air door plate.
To achieve these goals, the technical scheme of sand system processed that the utility model provides is:
A kind of sand system processed, comprise bugduster apparatus, wherein, described bugduster apparatus is above-mentioned arbitrary bugduster apparatus.
Analyze known, gumming room of the present utility model is provided with regulating part, and it can change the movement locus of air-flow and/or material, and the material (mineral) being less than a setting particle diameter is accurately separated.And in the prior art, air-flow enters air outlet along straight line substantially from air inlet (being equivalent to the first air inlet of the present utility model), air-flow to the sorting of material, be separated accurate not.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
In order to granule materials such as accurate sorting sandstones, the more fine particle such as dust in other words accurately in separating granular material, the utility model provides a kind of sand system processed for the production of sandstone for building, as shown in Figure 1.Should be appreciated that application of the present utility model is not limited thereto, the accurate sorting of the material that the utility model provides, isolation technics can be applied in other multiple fields, such as the processing of wheat class, legume-seeds, selecting of plastic grain.
As shown in Figure 1, this sand system embodiment processed comprises disintegrating machine 1, bugduster apparatus, screening plant 7, conveying device 8.Wherein, bugduster apparatus comprises gumming room 2, airflow line 500, Boiler pressure control mechanism 5, depression dust-removing mechanism 6 further.
Disintegrating machine 1 is preferably vertical shaft impact crusher, and its charging aperture is for receiving the defective sandstone needing again to pulverize of parent rock and conveying device 8 conveying.During production, rubble, by after disintegrating machine 1 fragmentation, is transported to the charging aperture 211 of gumming room 2, with the content of stone powder of fine control mechanism sand.The discharging opening 24 of sandstone after accurate sorting through gumming room 2 enters screening plant 7.Then, then through screening plant 7 classification, wherein underproof sandstone returns disintegrating machine 1 by conveying device 8 and carries out again broken.The qualified finished sand 44 that screening plant 7 exports transports out of production scene, the stone flour 45 also shipped off-site that depression dust-removing mechanism 6 collects.
Again as shown in Figure 1, in bugduster apparatus, gumming room 2 is a cavity structure, and the basic top of this cavity structure is flat column substantially, and bottom is inverted side's frustum substantially.It should be noted that, to in description of the present utility model, relate to orientation " on ", the word such as D score, "left", "right", "front", "rear" is all to describe facility, should not be considered as any restriction to the utility model structure, function and effect.
In gumming room 2, its upper surface 21 is horizontally disposed with, and upper surface 21 being provided with charging aperture 211 for inputting material, exporting the air outlet 212 carrying the air-flow of partial material, and charging aperture 211 is positioned on the left of upper surface 21, and air outlet 212 is positioned at right side.Be provided with the air inlet 221 for inputting most of air-flow at the left surface on the top of gumming room 2 in flat column, also, air inlet 221 is positioned at above the tilted left side face 22 of bottom, gumming room 2.In the bottom of gumming room 2, the right flank 23 of inclination is provided with another for inputting the air inlet 231 of air-flow.Charging aperture 211 is positioned at air inlet 221, also near charging aperture 211 between air outlet 212, air inlet 221 embodiment illustrated in fig. 1, air inlet 231 is oppositely arranged, but as required, can also at the not ipsilateral of gumming room 2, differing heights position arranges more air inlet, and the height of air inlet 221 is higher than air inlet 231, whereby, air inlet 221, air inlet 231 can from different height, angle input air-flow, relend the effect helping regulating part, air inlet 221, the air-flow that air inlet 231 inputs can multi-angle, the motion track of omnibearing setting material.And in the prior art, the air inlet of gumming room only has one, the stone flour that carries in the rubble that disintegrating machine 1 can input by multiple air inlets design of the present embodiment (and the comparatively granule that can not satisfy the demand, also be sandstone 43) reject, the sandstone sorting of different-grain diameter, the more accurate, thorough of separation.Discharging opening 24 for exporting leftover materials in gumming room 2 covers the whole lower surface of frustum bottom, gumming room 2, like this can quickly discharging.
In order to change the movement locus of sandstone 41 in gumming room 2, sandstone 42, sandstone 43 (particle size range of sandstone 41, sandstone 42, sandstone 43 reduces successively), the present embodiment devises regulating part, such as baffle plate 31, baffle plate 32, the two cavity structure being all located at gumming room 2 is inner, makes the sandstone 43 being less than a setting numerical value particle diameter accurately separate and be exported by air outlet 212.
Specifically, baffle plate 31 is located on the straight line path between air inlet 211 and air outlet 212, and baffle plate 31 and the straight air stream path between air inlet 211 and air outlet 212 have certain angle, also namely baffle plate 31 should not with upper surface 21 level, to avoid air-flow, the material being greater than one first numerical value particle diameter is blown to air outlet 212.Baffle plate 32 is located at the side away from charging aperture 211 in air outlet 212, and baffle plate 32 has certain angle with the air-flow in air outlet 212, also namely baffle plate 32 should not vertically be arranged up and down, to avoid air-flow, the material being greater than a second value particle diameter is directly blown out air outlet 212.
During production, if do not arrange baffle plate 31, baffle plate 32, depression dust-removing mechanism 6 produces huge negative pressure, the air-flow that air inlet 221, air inlet 231 are inputted is especially huge, and sandstone 42 relatively little for particle diameter, sandstone 43 are directly blown out air outlet 212 by the inwall along upper surface 21 by the air-flow that air inlet 221 inputs.31, baffle plate can change the movement locus of sandstone 43, sandstone 42, makes it move to air outlet 212 along larger arching trajectory, in the process, particle diameter sandstone about 42 and the sandstone that weight is larger will fall voluntarily, enter discharging opening 24.Particle diameter sandstone about 42 and the sandstone that weight is less and sandstone 43 etc. then can move to air outlet 212, because sandstone 42 particle diameter is larger, therefore the arching trajectory of its movement is lower, when moving to air outlet 212, sandstone 42 is stopped by baffle plate 32 substantially, thus only has sandstone 43 to enter air outlet 212.If sandstone 43 or particle diameter are stopped by baffle plate 32 closer to other particle diameter sandstones of sandstone 43 and fall, the air-flow that air inlet 231 inputs will be blown afloat again, exports from air outlet 212.
More preferably, the top edge of baffle plate 31 is connected with upper surface 21 is movable, and it arranges angle and can adjust left and right; The right hand edge of baffle plate 32 is also movable connection, and it arranges angle is then to adjust up and down.Like this, baffle plate 31, baffle plate 32 as required, can change the movement locus of air-flow or sandstone flexibly, thus realize sandstone 41, sandstone 42, the more accurate sorting of sandstone 43.Such as, baffle plate 31 levels off to level, and sandstone 42 or particle diameter are easily blown air outlet 212 close to the sandstone of sandstone 42.
In other embodiments, also only can arrange baffle plate 31 or baffle plate 32, as shown in Figure 1, if only arrange baffle plate 31, particle diameter may will be blown air outlet 212 at the sandstone of sandstone about 42, cannot realize accurate sorting as in the present embodiment.
In addition, as shown in Figure 2 and Figure 3, the utility model also provides the regulating part regulating part combination in other words of another two kinds of structures.
In fig. 2, gumming room 20 is also tapered, comprise upper surface 201, left surface 202, right flank 203, charging aperture 2011, air outlet 2012 are positioned at the both sides of upper surface 201, only comprise an air inlet 2021 and be positioned at left surface 202 top and close charging aperture 2011, discharging opening 204 covers the whole lower surface of gumming room 20.Regulating part comprises baffle plate 33, stops grid 34, and the setting position of baffle plate 33 is similar to the baffle plate 31 in Fig. 1.Stop that grid 34 is flatly arranged in air outlet 2012, stop that grid 34 more directly can filter the larger sandstone of particle diameter.
Stop the various structures of grid 34, such as Fig. 4, Fig. 5 show two kinds of concrete barrier grid lattice structures, and the mesh 3410 of the stop grid 341 shown in Fig. 4, in fan-shaped, be distributed in radially and stop on grid 341; The mesh 3420 of the stop grid 342 shown in Fig. 5 is rectangular, stops on grid 342 in rectangular being distributed in.
In figure 3, the structure of gumming room 200 is comparatively similar with the gumming room 20 shown in Fig. 2, but the regulating part of gumming room 200 comprises at least one baffle plate 35, multiple baffle plate 36, and is provided with air inlet 2031 below baffle plate 36.Multiple baffle plate 35 is near air outlet 2012 and be positioned at below it, tilt, arranged in parallel, further, the direction of motion of the incline direction of baffle plate 36 and air-flow or sandstone is consistent or have less angle, with the material blowout air outlet 2012 avoiding air-flow will be greater than a setting numerical value particle diameter.Preferably, multiple baffle plate 36 is connected by a STATEMENT OF FEDERALLY SPONSORED, can be adjusted the angle of inclination of multiple baffle plate 36 by this STATEMENT OF FEDERALLY SPONSORED simultaneously.
Again as shown in Figure 1, the air outlet 212 of gumming room 2 is connected with the import of the aspiration of negative pressure mechanism 6 by an airflow line 500.In order to control air-flow wind speed in gumming room 2, airflow line 500 is provided with the Boiler pressure control mechanism 5 for regulating air velocity in gumming room 2, and as shown in Figure 6, Boiler pressure control mechanism 5 comprises housing 51, executing agency 52, driving shaft 53, air door plate 54.Housing 51 is in tubular, and its two ends port is connected in airflow line 500; Air door plate 54 is fixed on driving shaft 53, and is arranged in housing, with air-flow flux in adjustment housings 51; Driving shaft 53 penetrates rotatably housing 51, and at least housing 51 is stretched out in one end.The output shaft of executing agency 52 is connected by transmission mechanism etc. with driving shaft 53, and when driving shaft 53 rotates, the aperture of air door plate 54 then can regulate thereupon.
Further preferably, driving shaft 53, air door plate 54 are multiple, and each air door plate 54 is fixed on a driving shaft 53, and multiple driving shaft 53 is arranged along the width of housing 51, and multiple air door plate 54 is to be similar to structural design, the operation of shutter.
In sum, the utility model can obtain following technique effect:
Sorting is more accurate.Changed the movement locus of air-flow, sandstone by regulating part, the movement locus of different-grain diameter sandstone can control as required.
Sandstone production efficiency improves, and equipment cost, operating cost all decline.The application (blower mechanism can certainly be set in air inlet) of blower mechanism can be omitted; Because sorting is accurate, secondary sorting need not be carried out to finished product sandstone, stone flour etc.
Flexible structure.Can according to concrete female grittiness shape, flexible modulation regulating part position, quantity, combination.
Gumming room wind speed can regulate as required, increases the flexibility of application further.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.