CN117228680B - Bentonite sodium modification device - Google Patents
Bentonite sodium modification device Download PDFInfo
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- CN117228680B CN117228680B CN202311498881.XA CN202311498881A CN117228680B CN 117228680 B CN117228680 B CN 117228680B CN 202311498881 A CN202311498881 A CN 202311498881A CN 117228680 B CN117228680 B CN 117228680B
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- shaft
- auger
- sleeve
- pipe
- bentonite
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- 229910000278 bentonite Inorganic materials 0.000 title claims abstract description 89
- 239000000440 bentonite Substances 0.000 title claims abstract description 89
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 title claims abstract description 89
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 31
- 239000011734 sodium Substances 0.000 title claims abstract description 31
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 31
- 230000004048 modification Effects 0.000 title claims abstract description 28
- 238000012986 modification Methods 0.000 title claims abstract description 28
- 239000003607 modifier Substances 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 40
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 238000002156 mixing Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006011 modification reaction Methods 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 229940092782 bentonite Drugs 0.000 description 73
- 238000012856 packing Methods 0.000 description 9
- 238000005507 spraying Methods 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229940080314 sodium bentonite Drugs 0.000 description 2
- 229910000280 sodium bentonite Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to the field of metallurgy, in particular to a bentonite sodium modification device which comprises an auger sleeve, wherein a feed inlet and a discharge outlet which are communicated with the inside of the auger sleeve are formed in the auger sleeve, the feed inlet is arranged on the upper part of the auger sleeve, the discharge outlet is arranged on the lower part of the auger sleeve and is far away from one end of the feed inlet, an auger shaft is rotatably arranged in the auger sleeve, and the auger shaft is divided into a first shaft and a second shaft. According to the invention, the auger sleeve, the second shaft, the large-diameter pipe, the small-diameter pipe, the auger strips and the material exchange holes are arranged, under the continuous rotation action of the auger sleeve and the rotating sleeve, bentonite and the modifier are extruded into strips from the auger sleeve into the rotating sleeve, then extruded into strips from the rotating sleeve into the auger sleeve, the bentonite can be exposed to be mixed with the modifier for reaction through repeated extrusion into strips, and the reaction of the bentonite and the modifier caused by a water-proof film formed by sodium modification reaction is avoided, so that the mixing effect of the bentonite and the modifier is better.
Description
Technical Field
The invention relates to the field of metallurgy, in particular to a bentonite sodium modification device.
Background
Bentonite is also called bentonite, which is a nonmetallic mineral product containing montmorillonite as a main mineral component, and is widely used in various industrial fields because it has special chemical properties such as adsorptivity, cohesiveness, cation exchange property, and the like. In industrial application, sodium modification treatment is needed to the bentonite to improve the physical and chemical properties and the technological properties of the bentonite in order to optimize the hydration properties of the bentonite.
There are many technological processes for sodium modification of bentonite, such as dry sodium modification and semi-dry sodium modification. For example, the chinese patent publication No. CN114229860a discloses a sodium modification apparatus for bentonite (publication date: 2022, 3, 25) which adopts a semi-dry sodium modification process, in which mixing of bentonite and modifier in a stirring tank is accelerated by rotation of a spiral blade, but in industrial practice, it is found that since calcium magnesium of bentonite is insoluble in water and poor in dispersibility, when sodium carbonate is added to bentonite in a certain amount to carry out sodium modification, the reaction proceeds only on the surface of bentonite, and a good water-proof film is formed on the sodified surface to inhibit the reaction of bentonite and sodium carbonate in the interior, so that it is difficult to achieve the desired mixing effect by using the sodium modification apparatus.
Disclosure of Invention
In view of the above, it is necessary to provide a sodium bentonite modifying apparatus capable of promoting mixing of bentonite and a modifying agent by repeatedly extruding into a rod, and preventing reaction of bentonite and sodium carbonate from being affected by formation of a water-proof film on the surface of bentonite, in order to solve the problems of the conventional sodium modifying apparatus.
The above purpose is achieved by the following technical scheme:
the bentonite sodium modification device comprises an auger sleeve, wherein a feed inlet and a discharge outlet which are communicated with the inside of the auger sleeve are formed in the auger sleeve, the feed inlet is arranged on the upper part of the auger sleeve, the discharge outlet is arranged on the lower part of the auger sleeve and is far away from one end of the feed inlet, an auger shaft is rotatably arranged in the auger sleeve, the auger shaft is divided into a first shaft and a second shaft, the first shaft is an optical axis, the second shaft comprises a plurality of sections of large-diameter shafts and a plurality of sections of small-diameter shafts, the large-diameter shafts and the small-diameter shafts are alternately connected, and auger blades formed on the large-diameter shafts and the small-diameter shafts are in rotary contact with the inner wall of the auger sleeve; the outside of auger sleeve and be located the regional rotation of second shaft and be provided with the rotation sleeve pipe, rotation sleeve pipe includes a plurality of big footpath pipes and a plurality of path pipe, big footpath pipe and path pipe are connected in turn and big footpath pipe configuration is corresponding with the regional place of big footpath axle, path pipe configuration is corresponding with the regional place of path axle, be provided with the pay-off auger strip on the inner peripheral wall of big footpath pipe and path pipe, auger sleeve's perisporium and be located the regional interval of second shaft and be provided with the material exchange hole.
In one embodiment, the two ends of the large-diameter shaft and the small-diameter shaft connected are provided with transition inclined planes, and the two ends of the large-diameter pipe and the small-diameter pipe connected are also provided with transition inclined planes matched with the large-diameter pipe and the small-diameter pipe.
In one embodiment, a priming mechanism is provided on the auger sleeve in the region of the second shaft.
In one embodiment, the liquid adding mechanism comprises a liquid adding plate, a first liquid adding pipe and an injection hole, wherein an installation groove is formed in one end, close to the second shaft, of the auger sleeve pipe, the liquid adding plate is arranged in the installation groove, a cavity is formed in the liquid adding plate, the first liquid adding pipe is arranged at one end of the liquid adding plate and is communicated with the cavity, and the injection hole is formed in the liquid adding plate; after the first liquid adding pipe is used for filling the first modifier into the cavity, the first modifier can enter the auger sleeve through the injection hole.
In one embodiment, a filter cloth is arranged on the liquid adding plate and positioned in the area of the spray hole.
In one embodiment, a second filling pipe is arranged outside the auger sleeve and located in the area of the first shaft, and the second filling pipe can be used for adding the second-class modifier into the auger sleeve.
In one embodiment, the outside of the auger sleeve and the area of the first shaft extend obliquely upwards to form a capacity expansion bin, a liquid storage tank is arranged at the upper part of the capacity expansion bin, the upper part of the liquid storage tank is communicated with the second liquid adding pipe, and a spray head is arranged at the lower part of the liquid storage tank.
In one embodiment, the side surfaces of the auger blades of the first shaft are circumferentially provided with stirring elements at intervals.
In one embodiment, the material stirring element comprises two convex rods, the convex rods are arranged on two sides of the first shaft, and the two convex rods are arranged at intervals along the radial direction of the first shaft.
In one embodiment, a base is provided at the lower portion of the auger sleeve.
The beneficial effects of the invention are as follows:
according to the invention, the auger sleeve, the second shaft, the large-diameter pipe, the small-diameter pipe, the auger strips and the material exchange holes are arranged, under the continuous rotation action of the auger sleeve and the rotating sleeve, bentonite and the modifier are extruded into strips from the auger sleeve into the rotating sleeve, then extruded into strips from the rotating sleeve into the auger sleeve, the bentonite can be exposed to be mixed with the modifier for reaction through repeated extrusion into strips, and the reaction of the bentonite and the modifier caused by a water-proof film formed by sodium modification reaction is avoided, so that the mixing effect of the bentonite and the modifier is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a bentonite sodium modification device of the invention;
FIG. 2 is an exploded view of a sodium bentonite modifying device according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a schematic diagram showing a semi-sectional perspective view of a bentonite sodium modification device of the present invention;
FIG. 5 is a schematic cross-sectional view of a bentonite sodium modification device of the present invention;
fig. 6 is an enlarged schematic view of the structure at B in fig. 5.
Wherein:
100. a hank Long Taoguan; 110. a feed inlet; 120. a discharge port; 130. a material exchange hole; 140. a mounting groove; 150. a second liquid adding pipe; 200. an auger shaft; 210. a first shaft; 220. a second shaft; 300. rotating the sleeve; 310. a large diameter pipe; 320. a small diameter tube; 330. auger strips; 400. a liquid adding mechanism; 410. a liquid adding plate; 411. a cavity; 420. a first liquid adding pipe; 430. an injection hole; 440. a pressurizing tube; 500. a capacity expansion bin; 510. a liquid storage tank; 520. a spray head; 600. a stirring element; 610. a protruding rod; 700. a base; 800. an annular groove; 900. a driving pulley; 1000. a first motor; 2000. a second motor; 3000. and a support plate.
Detailed Description
The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 6, a bentonite sodium modification device comprises an auger sleeve 100, a feed inlet 110 and a discharge outlet 120 which are communicated with the inside of the auger sleeve 100 are arranged on the auger sleeve 100, the feed inlet 110 is positioned at the upper part of the auger sleeve 100, the discharge outlet 120 is positioned at the lower part of the auger sleeve 100 and is far away from one end of the feed inlet 110, an auger shaft 200 is rotationally arranged in the auger sleeve 100, a first motor 1000 is arranged at one end of the auger shaft 200 outside the auger sleeve 100, a supporting plate 3000 is arranged at the position, which is close to the first motor 1000, outside the auger sleeve 100, the first motor 1000 is arranged on the supporting plate 3000, an output shaft of the first motor 1000 is fixedly connected with one end of the auger shaft 200, the auger shaft 200 is divided into a first shaft 210 and a second shaft 220, the whole body of the first shaft 210 is an optical axis, auger blades of the auger shaft is in rotary contact with the inner wall of the auger sleeve 100, the second shaft 220 comprises a plurality of sections of large-diameter shafts and a plurality of sections of small-diameter shafts, the large-diameter shafts and the small-diameter shafts are alternately connected, auger blades on the large-diameter shafts and the small-diameter shafts are also in rotary contact with the inner wall of the auger sleeve 100, a rotary sleeve 300 is rotatably arranged outside the auger sleeve 100 and positioned in the region where the second shaft 220 is positioned, an annular groove 800 is formed in the peripheral wall, far away from the first shaft 210, of the rotary sleeve 300, a second motor 2000 is arranged on the ground, an output shaft of the second motor 2000 is fixedly connected with a driving pulley 900, the driving pulley 900 is connected with the annular groove 800 through a belt, the rotary sleeve 300 can rotate around the axis of the driving pulley 900 under the driving action of the second motor 2000, the rotary sleeve 300 comprises a plurality of large-diameter pipes 310 and a plurality of small-diameter pipes 320, the large-diameter pipes 310 and the small-diameter pipes 320 are alternately connected, the large-diameter pipes 310 are configured to correspond to the region where the large-diameter shafts are positioned, the small-diameter pipes 320 are configured to correspond to the region where the small-diameter shafts are positioned, the inner peripheral walls of the large diameter pipe 310 and the small diameter pipe 320 are provided with feeding auger strips 330, one side of the auger strips 330 away from the rotating sleeve 300 is in rotating contact with the outer peripheral wall of the auger sleeve 100, and the peripheral wall of the auger sleeve 100 and the area of the second shaft 220 are provided with material exchange holes 130 at intervals.
When in use, bentonite and modifier (two types of modifiers in normal proportion) are added into the auger sleeve 100 from the feed inlet 110, under the driving action of the first shaft 210, the bentonite and the modifier move to the area where the second shaft 220 is located while being mixed, and after the bentonite and the modifier move from the first shaft 210 to the large-diameter shaft area of the second shaft 220, the volume between the area where the large-diameter shaft is located and the inner wall of the auger sleeve 100 is reduced, so that the bentonite and the modifier in the area are extruded into the area between the rotating sleeve 300 and the auger sleeve 100 through the material exchange hole 130 by extrusion; similarly, after bentonite and modifier between the rotating sleeve 300 and the packing auger sleeve 100 move from the area of the large diameter pipe 310 to the area of the small diameter pipe 320, the bentonite and modifier in the area enter the packing auger sleeve 100 through the material exchange hole 130 formed in the packing auger sleeve 100 in the area under the extrusion action due to the reduced volume between the small diameter pipe 320 and the outer peripheral wall of the packing auger sleeve 100; therefore, under the continuous rotation action of the auger shaft 200 and the rotating sleeve 300, bentonite and the modifier are extruded into strips from the auger sleeve 100 to the rotating sleeve 300, extruded into strips from the rotating sleeve 300 to the auger sleeve 100, finally extruded and mixed bentonite is discharged from the discharge port 120, the bentonite can be exposed and mixed with the modifier for reaction through repeated extrusion into strips, and the reaction of the bentonite and the modifier due to the influence of a water-proof film formed by sodium modification reaction is avoided, so that the mixing effect of the bentonite and the modifier is better.
It should be further noted that, during the process of repeatedly extruding the bentonite and the modifier into strips through the material exchange hole 130, the overall temperature of the bentonite is increased, which is more favorable for the reaction of the modifier and the bentonite.
It will be appreciated that when the feeding of the modifier and bentonite into the inlet 110 is stopped, the modifier and bentonite can move forward by the conveying action of the auger bar 330, and finally the bentonite and modifier are extruded outwards into the auger sleeve 100 through the material exchange hole 130 near the annular groove 800 and then discharged outwards through the outlet 120, so that much bentonite and modifier are not remained in the rotating sleeve 300 to affect the cleaning operation after the mixing operation.
In a further embodiment, as shown in fig. 5 and 6, two ends of the large diameter shaft and the small diameter shaft connected are provided with transition inclined planes, two ends of the large diameter pipe 310 and the small diameter pipe 320 connected are also provided with transition inclined planes matched with the large diameter pipe 310 and the small diameter pipe 320, and the transition inclined planes are arranged to facilitate the movement of bentonite and the modifier to the direction of the discharge port 120, so that the residual quantity of bentonite in the auger sleeve 100 and the rotating sleeve 300 is reduced.
In a further embodiment, as shown in fig. 1, 2 and 5, the packing auger sleeve 100 is provided with a filling mechanism 400 at the area of the second shaft 220, and the purpose of the filling mechanism 400 is to add diluted modifier (diluted modifier is one type of modifier, and normal proportion of modifier is two types of modifier) to the area of the second shaft 220, because the optimal reaction temperature of bentonite and modifier is between 50 ℃ and 60 ℃, during repeated extrusion forming, bentonite can be dried and heated due to friction heat, and the reaction temperature of bentonite can be reduced and kept within a proper range by adding the diluted modifier, and meanwhile, the problem that bentonite is inconvenient to extrude forming can be avoided because the bentonite dries can be avoided.
In a further embodiment, as shown in fig. 2, 3, 5 and 6, the filling mechanism 400 includes a filling plate 410, a first filling pipe 420 and a spraying hole 430, a mounting groove 140 is formed at one end of the packing auger sleeve 100 near the second shaft 220, the filling plate 410 is disposed in the mounting groove 140, a cavity 411 is formed in the filling plate 410, the first filling pipe 420 is disposed at one end of the filling plate 410 and the first filling pipe 420 is communicated with the cavity 411, the spraying hole 430 is disposed on the filling plate 410, an opening structure is formed at the lower portion of the mounting groove 140, and after the filling plate 410 is mounted in the mounting groove 140, the diluted modifier sprayed out by the spraying hole 430 can enter the packing auger sleeve 100. In use, the diluted modifier is added into the cavity 411 of the filling plate 410 through the first filling pipe 420, and the modifier entering the cavity 411 is sprayed out into the auger sleeve 100 through the spraying hole 430 and wets the bentonite in the area of the second shaft 220. In order to make the addition of the modifying agent more uniform, the injection holes 430 may be provided in a plurality of groups, and the injection holes 430 of the plurality of groups may be spaced along the axis of the packing auger sleeve 100.
In addition, as shown in fig. 3, in order to increase the injection range of the modifier sprayed from the injection hole 430, a pressurizing pipe 440 may be provided outside the packing auger tube 100, and the modifier inside the cavity 411 may be pressurized through the pressurizing pipe 440 so that the range in which the modifier sprayed from the injection hole 430 can be injected is wider.
In a further embodiment, as shown in fig. 6, a filter cloth (not shown in the figure) is disposed on the filling plate 410 and in the area where the injection hole 430 is located, and the filter cloth is configured to block bentonite inside the auger sleeve 100, so as to prevent bentonite from entering the injection hole 430 to block the injection hole 430, and thus the injection hole 430 cannot be used normally.
In a further embodiment, the modifier and bentonite may be added to the inside of the auger sleeve 100, respectively, and specifically, a second feeding tube 150 is provided at the outside of the auger sleeve 100 and at the area of the first shaft 210, the feeding port 110 is only used for adding bentonite, and the second feeding tube 150 (the modifier added by the second feeding tube 150 is a normal proportion of the modifier, i.e., a second type of modifier) is only used for adding the modifier to the auger sleeve 100. Compared with the method that the modifier and the bentonite are added into the auger sleeve 100 from the feed inlet 110, the method has the advantages that the bentonite and the modifier are respectively added into the auger sleeve 100, so that the area of a waterproof film formed on the surface of the bentonite can be reduced, and the mixing effect of the bentonite and the modifier is better.
In a further embodiment, as shown in fig. 1, 2 and 4, the outside of the auger sleeve 100 and located in the area where the first shaft 210 is located extend obliquely upwards to form a capacity expansion chamber 500, the capacity expansion chamber 500 is a long strip structure extending along the axis of the auger sleeve 100, a liquid storage tank 510 is arranged at the upper part of the capacity expansion chamber 500, the upper part of the liquid storage tank 510 is communicated with the second liquid adding pipe 150, and a spray nozzle 520 is arranged at the lower part of the liquid storage tank 510; in use, the spray head 520 is opened so that the modifier inside the reservoir 510 is sprayed to the region of the expansion tank 500 through the spray head 520, and the modifier finally flows to the region of the first shaft 210 through the expansion tank 500 and is mixed with bentonite in the region. In order to more uniformly mix the modifier sprayed from the spray head 520 with the bentonite in the region of the first shaft 210, the spray head 520 may be provided at a plurality of intervals at the lower portion of the sump 510.
In a further embodiment, as shown in fig. 4, the spraying direction of the spraying head 520 faces the inner wall of the side lower part of the expansion tank 500, so that the penetrability of the modifying agent can be increased, the modifying agent can be better mixed with bentonite in the area, and in addition, the spraying direction of the modifying agent of the spraying head 520 faces the expansion tank 500, the amount of the mixed bentonite adhered to the inner wall of the expansion tank 500 can be reduced.
In a further embodiment, as shown in fig. 4, the stirring elements 600 are circumferentially arranged at intervals on the sides of the auger blades of the first shaft 210, and the stirring elements 600 are arranged on the sides of the auger blades of the first shaft 210 in order to push bentonite which is not mixed with the modifier to the area of the expansion tank 500 through the rotation of the first shaft 210, so that bentonite which is not mixed with the modifier is fully contacted with the modifier in the area of the expansion tank 500.
It will be appreciated that after the modifier is mixed with the bentonite, the bentonite is in a viscous slurry form, and the bentonite that is not mixed with the modifier is in a small solid form, so that the rotation of the first shaft 210 can drive the stirring element 600 to rotate and push the bentonite that is not mixed with the modifier to the area of the expansion bin 500, and the bentonite that is mixed with the modifier is not easily pushed to the area of the expansion bin 500. It should be further noted that, as shown in fig. 4, the rotation direction of the first shaft 210 should be counterclockwise so as to effectively push the bentonite that is not mixed with the modifier to the area where the expansion tank 500 is located.
In a further embodiment, the material stirring element 600 includes two protruding rods 610, the protruding rods 610 are disposed at two sides of the first shaft 210, and the two protruding rods 610 are disposed at intervals along the radial direction of the first shaft 210; under the rotation of the first shaft 210, the two protruding rods 610 rotate along with the first shaft 210, so that the protruding rods 610 push bentonite which is not mixed and reacted with the modifier to the area of the expansion bin 500. In other embodiments, the protruding rod 610 may be replaced by a protruding plate or a protruding block, which is improved without the need for inventive labor and falls within the scope of the present invention.
In a further embodiment, a base 700 is provided at the lower part of the auger sleeve 100, the base 700 being provided for supporting the auger sleeve 100.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The bentonite sodium modification device is characterized by comprising: the auger sleeve is provided with a feed inlet and a discharge outlet which are communicated with the inside of the auger sleeve, the feed inlet is positioned at the upper part of the auger sleeve, the discharge outlet is positioned at the lower part of the auger sleeve and is far away from one end of the feed inlet, an auger shaft is rotationally arranged in the auger sleeve, the auger shaft is divided into a first shaft and a second shaft, the first shaft is an optical axis, the second shaft comprises a plurality of sections of large-diameter shafts and a plurality of sections of small-diameter shafts, the large-diameter shafts and the small-diameter shafts are alternately connected, and auger blades arranged on the large-diameter shafts and the small-diameter shafts are in rotational contact with the inner wall of the auger sleeve; the outside of auger sleeve and be located the regional rotation of second shaft and be provided with the rotation sleeve pipe, rotation sleeve pipe includes a plurality of big footpath pipes and a plurality of path pipe, big footpath pipe and path pipe are connected in turn and big footpath pipe configuration is corresponding with the regional place of big footpath axle, path pipe configuration is corresponding with the regional place of path axle, be provided with the pay-off auger strip on the inner peripheral wall of big footpath pipe and path pipe, auger sleeve's perisporium and be located the regional interval of second shaft and be provided with the material exchange hole.
2. The bentonite sodium modification device according to claim 1, wherein the two ends of the large-diameter shaft and the small-diameter shaft are connected with each other to form a transition inclined plane, and the two ends of the large-diameter pipe and the small-diameter pipe are connected with each other to form a transition inclined plane matched with the large-diameter pipe and the small-diameter pipe.
3. The bentonite sodium modification device according to claim 1, wherein a liquid adding mechanism is arranged on the auger sleeve and located in the area of the second shaft.
4. The bentonite sodium modification device according to claim 3, wherein the liquid adding mechanism comprises a liquid adding plate, a first liquid adding pipe and an injection hole, wherein a mounting groove is formed in one end, close to the second shaft, of the auger sleeve, the liquid adding plate is arranged in the mounting groove, a cavity is formed in the liquid adding plate, the first liquid adding pipe is arranged at one end of the liquid adding plate and is communicated with the cavity, and the injection hole is formed in the liquid adding plate; after the first liquid adding pipe is used for filling the first modifier into the cavity, the first modifier can enter the auger sleeve through the injection hole.
5. The bentonite sodium modification device according to claim 4, wherein a filter cloth is arranged on the liquid adding plate and located in the area of the spray hole.
6. The bentonite sodium modification device according to claim 1, wherein a second liquid adding pipe is arranged outside the auger sleeve and in the area of the first shaft, and the second liquid adding pipe can add the second modifier into the auger sleeve.
7. The bentonite sodium modification device according to claim 6, wherein the outside of the auger sleeve is located in the area of the first shaft and extends obliquely upwards to form a capacity expansion bin, a liquid storage tank is arranged at the upper part of the capacity expansion bin, the upper part of the liquid storage tank is communicated with the second liquid adding pipe, and a spray head is arranged at the lower part of the liquid storage tank.
8. The bentonite sodium modification device according to claim 7, wherein the auger blade side of the first shaft is circumferentially provided with a plurality of stirring elements.
9. The bentonite sodium modification apparatus of claim 8, wherein the material shifting element comprises two protruding bars disposed on opposite sides of the first shaft, the two protruding bars being disposed at a radial interval along the first shaft.
10. The bentonite sodium modification device according to claim 1, wherein a base is arranged at the lower part of the auger sleeve.
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| CN117228680A (en) | 2023-12-15 |
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