CN106076599A - A kind of method of Kaolin desanding - Google Patents
A kind of method of Kaolin desanding Download PDFInfo
- Publication number
- CN106076599A CN106076599A CN201610375431.5A CN201610375431A CN106076599A CN 106076599 A CN106076599 A CN 106076599A CN 201610375431 A CN201610375431 A CN 201610375431A CN 106076599 A CN106076599 A CN 106076599A
- Authority
- CN
- China
- Prior art keywords
- kaolin
- ore
- desanding
- sand
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
Landscapes
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
A kind of method that the invention provides Kaolin desanding, first by kaolin raw ore, water and dispersant, obtain mixed ore pulp, it is then peeled off obtained mixed ore pulp, obtain one-level overflow and one-level sand setting, one-level overflow obtained by eddy flow processes subsequently, obtains sediment by rotational flow and kaolin ore slurry.In the method that the present invention provides, dispersant can promote to stick to the kaolinic disengaging of quartz sand surface, and the addition of water also is able to fully wash the Kaolin sticking to quartz sand surface in raw ore be washed in water, form ore pulp to realize separating with quartz sand, and then it is easy to Kaolin and the separation of quartz sand in subsequent separation process, it is achieved improve the purpose of ore pulp solid content in kaolin ore slurry.The method of the Kaolin desanding that the present invention provides, it is ensured that the abundant removal of quartz sand in kaolin ore slurry, and quartz sand again can be by wash clean, the clay content of quartz sand is less than 1%, and in the kaolin ore slurry obtained, ore pulp solid content reaches 25～30%.
Description
Technical field
The invention belongs to Kaolin processing technology field, a kind of method particularly relating to Kaolin desanding.
Background technology
Kaolin is a kind of nonmetallic minerals, is a kind of clay based on kaolinite race clay mineral and clay rock, matter
Pure Kaolin is pure white earthy fine and smooth, soft, has the physicochemical properties such as good plasticity and fire resistance.Kaolin extensively should
Every field in our production and life: the Kaolin that generally matter is pure has that whiteness is high, matter dispersion soft, easy is suspended in
In water, good plasticity and high caking property, excellent electrical insulation capability；And also there is good antiacid dissolubility, the lowest
Cation exchange capacity (CEC), the physicochemical property such as preferable fire resistance.Kaolin has become papermaking, pottery, rubber, chemical industry, coating, doctor
The raw mineral materials that must use in various industry such as medicine and national defence.
Due to the difference of the condition that kaolin ore is formed, Maoming Kaolin ore deposit and quartz association, directly exploitation obtains height
Ridge soil contains substantial amounts of quartz sand, and the existence of quartz sand can reduce kaolinic purity, it is impossible to meet the every profession and trade pure kaolinite of confrontation
The requirement of soil.Prior art generally uses the following two kinds method when desanding: one, hydromining: direct giant charges and attacks raw ore,
With sand pump, quartz sand is extracted into spiral sand removing machine, vibrosieve or sedimentation tank carries out desanding with the kaolinic slurry that mixes；Two, dry adopt:
Use excavator to excavate raw ore, subsequently raw ore is transported to stirring pool and adds water stirring, then join with spiral sand removing machine and cyclone
Close desanding.
Prior art this two classes desanding method disclosed, Kaolin ore pulp solid content after desanding is relatively low, typically exists
Less than 5%, need to be used for following process by concentration.But ore pulp is big at concentration flow in process, need
Bigger concentration basin, operation complexity, and also the ore pulp solid content after concentrating also only has about 20%, still suffers from affecting following process
The problem of production efficiency.
Summary of the invention
In view of this, a kind of method that it is an object of the invention to provide Kaolin desanding, the method that the present invention provides carries
The high solid content of kaolin ore slurry.
In order to realize foregoing invention purpose, the present invention provides techniques below scheme:
A kind of method of Kaolin desanding, comprises the following steps:
(1) by kaolin raw ore, water and dispersant, mixed ore pulp is obtained；
(2) separate the mixed ore pulp that described step (1) obtains, obtain one-level overflow and one-level sand setting；
(3) eddy flow processes the one-level overflow that described step (2) obtains, and obtains sediment by rotational flow and kaolin ore slurry.
Preferably, 40wt%～70wt% that addition is described kaolin raw ore quality of water in described step (1).
Preferably, described kaolin raw ore includes the component of following mass content: the quartz sand of 75～80wt% and 20～
The Kaolin of 25wt%.
Preferably, during the quality of described dispersant is described kaolin raw ore the 0.15～0.2wt% of Kaolin quality.
Preferably, the one or several during described dispersant is Quadrafos compounds and silicates inorganic compound
Kind.
Preferably, described Quadrafos compounds is sodium hexameta phosphate and/or sodium tripolyphosphate.
Preferably, described silicates inorganic compound is sodium silicate.
Preferably, described step also includes after (2): the one-level sand setting that step described in secondary separation (2) obtains, and obtains two grades
Overflow and two grades of sand settings.
Preferably, also include after described secondary separation and cyclonic separation: described two grades of sand settings, described step (3) are obtained
Sediment by rotational flow and water mixing after carry out three times separate, obtain three grades of overflows and tailings.
Preferably, the addition of described water is 40wt%～70wt% of described step (1) kaolin raw ore quality.
A kind of method that the invention provides Kaolin desanding, comprises the following steps: (1) is by kaolin raw ore, water and divides
Powder mixes, and obtains mixed ore pulp；(2) separate the mixed ore pulp that described step (1) obtains, obtain one-level overflow and one-level is sunk
Sand；(3) eddy flow processes the one-level overflow that described step (2) obtains, and obtains sediment by rotational flow and kaolin ore slurry.The present invention provides
The method of Kaolin desanding, seriality is strong, and dispersant can promote to stick to the kaolinic disengaging of quartz sand surface, and water
Addition also be able to fully wash the Kaolin sticking to quartz sand surface in raw ore be washed in water, formed ore pulp realize with
The separation of quartz sand, and then it is easy to Kaolin and the separation of quartz sand in subsequent separation process, it is achieved improve in kaolin ore slurry
The purpose of ore pulp solid content；Further, the addition of water is inversely proportional to ore pulp solid content, and the addition of water is the biggest, and ore pulp is solid
Content is the least.Embodiments of the invention result shows, the method for the Kaolin desanding that the present invention provides, it is ensured that in kaolin ore slurry
The abundant removal of quartz sand, is washed thoroughly in quartz sand mine tailing, and the clay content of quartz sand is less than 1%, the kaolin ore obtained
In slurry, ore pulp solid content reaches 25～30%, and the obtained kaolin ore slurry sieve by 325 mesh, oversize is less than 2%, just
In follow-up processing；Additionally, treating capacity of the present invention is big, it is possible to reach to process every day the technology effect of 2500 tons of kaolin raw ore
Really.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
The schematic flow sheet of the method for the Kaolin desanding that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
A kind of method that the invention provides Kaolin desanding, comprises the following steps:
(1) by kaolin raw ore, water and dispersant, mixed ore pulp is obtained；
(2) separate the mixed ore pulp that described step (1) obtains, obtain one-level overflow and one-level sand setting；
(3) eddy flow processes the one-level overflow that described step (2) obtains, and obtains sediment by rotational flow and kaolin ore slurry.
The method of the Kaolin desanding that the present invention provides, seriality is strong, and dispersant can promote to stick to quartz sand surface
Kaolinic disengaging, and the addition of water also is able to fully wash the Kaolin sticking to quartz sand surface in raw ore wash away
In water, form ore pulp realize separating with quartz sand, so be easy to Kaolin and quartz sand in subsequent separation process point
From, it is achieved improve the purpose of ore pulp solid content in kaolin ore slurry.
The present invention, by kaolin raw ore, water and dispersant, obtains mixed ore pulp.The present invention is to described kaolin raw ore
Source there is no particular/special requirement, use kaolin raw ore well-known to those skilled in the art；At embodiments of the invention
In, commercially available kaolin raw ore can be used, it is possible to use the side of exploitation kaolin raw ore well-known to those skilled in the art
Method is exploited voluntarily；In an embodiment of the present invention, excavator is used to excavate kaolin raw ore.
In the kaolin raw ore obtained, Kaolin sticks to quartz sand surface, described kaolin raw ore preferably include 75～
The quartz sand of 80wt% and the Kaolin of 20～25wt%, the more preferably quartz sand of 78wt% and the kaolinite of 22wt%
Soil.
In the present invention, it is preferred to described kaolin raw ore is transported in mixing arrangement, with water in described mixing arrangement
And dispersant.The present invention does not has particular/special requirement to described course of conveying, uses conveying well-known to those skilled in the art
Mode, in embodiments of the present invention, is preferably delivered to mixing arrangement by belt feeder by the kaolin raw ore obtained
In, the concrete belt feeder using VFC in the embodiment of the present invention.
In the present invention, the addition of described water is preferably 40wt%～70wt% of described kaolin raw ore quality, enters
One step is preferably 45wt%～65wt% of described kaolin raw ore quality, the most described kaolin raw ore quality
60wt%；In the present invention, the Kaolin sticking to quartz sand surface in raw ore can fully be washed and be washed into water by the addition of water
In, thus form ore pulp and realize Kaolin and separate with quartz sand.In the present invention, the addition of described water and ore pulp solid content
Being inversely proportional to, the addition of water is the biggest, and ore pulp solid content is the least；In the present invention, institute can be obtained by the addition of regulation water
The ore pulp solid content of the kaolin ore slurry needed.
In the present invention, described dispersant be preferably Quadrafos compounds and silicates inorganic compound a kind of or
Several；In the present invention, during the Functionality, quality and appealing design of described dispersant elects described kaolin raw ore as Kaolin quality 0.15～
0.2wt%, specially 0.16wt%, 0.17wt%, 0.18wt% or 0.19wt%；In the present invention, the matter of described dispersant
Measure with kaolinic quality in described kaolin raw ore for standard measure time, preferably with Kaolin drying regime measure.?
In embodiments of the invention, when dispersant is preferably Quadrafos compounds, sodium hexameta phosphate or trimerization phosphorus can be specially
Acid sodium, described sodium hexameta phosphate adds the most as a solution, and the mass concentration of described sodium hexametaphosphate solution is preferably 15
～20%；When dispersant is preferably silicate compound, can be specially sodium silicate, described sodium silicate is preferably with the shape of solution
Formula adds, and the mass concentration of described sodium silicate solution is preferably 18～25%；
The present invention does not has particular/special requirement to the mode of described mixing, uses hybrid mode well-known to those skilled in the art
, as used the mode of stirring, preferred power of agitator is 30～35Kw.The embodiment of the present invention specifically uses stirring pool pair
Described kaolin raw ore, water and dispersant are stirred；In the present invention, the specification of described stirring pool is not had particular/special requirement,
Using stirring pool well-known to those skilled in the art, stirring pool is preferably the stirring pool of 2 series connection, and described stirring pool is excellent
Electing circumscribed circle diameter as is 2m～2.5m, the hexagon stirring pool in pond deep 1.5～2m.
After obtaining mixed slurry, the present invention preferably carries out solid-liquid separation to described mixed slurry, obtains one-level overflow and
Level sand setting.In the present invention, described separation is preferably carried out in spiral sand removing machine, the power of described separation be preferably 30～
37kw, rotating speed is preferably 15～18r/min, in an embodiment of the present invention, the model of described solid-liquid separation spiral sand removing machine
Spiral sand removing machine for diameter 2000mm.The one-level overflow that the present invention obtains is preferably the kaolin ore slurry containing fine sand, obtains
One-level sand setting in kaolinic content be preferably 5～10%.
After obtaining one-level overflow, the present invention carries out eddy flow process to described one-level overflow, obtains sediment by rotational flow and Kaolin
Ore pulp.In the present invention, described eddy flow processes and preferably carries out in cyclone, and more preferably rubber cyclone, at this
In bright embodiment, cyclone is specially the Parallel Rubber cyclone of 2 a diameter of 200mm；In the present invention, described one-level is overflow
Stream preferably employs the mode of pump pressure and is transported in cyclone, and the pressure of described pump pressure is preferably 0.2～0.3MPa/cm2, further
It is preferably 0.15MPa/cm2, in the present invention, the pressure of described pump pressure is the biggest, and in cyclone overflow, sand content is the fewest.
In the present invention, the kaolin ore slurry sand content obtained after described eddy flow processes reduces, in kaolin ore slurry
Ore pulp solid content is preferably 25～30%, and more preferably 27%.
After obtaining one-level sand setting, the present invention preferably carries out secondary separation to described one-level sand setting, obtains two grades of overflows and two
Level sand setting.In the present invention, described secondary separation is preferably carried out in spiral sand removing machine, and the power of described secondary separation is preferably
25～30kw, the rotating speed of described secondary separation is preferably 16～18r/min, in an embodiment of the present invention, secondary separation spiral shell
The spiral sand removing machine that model is diameter 1800mm of rotation sand removing machine.In the present invention, described secondary separation preferably employs washings
Washing described one-level sand setting, in the present invention, described washings are three grades of overflows that three separation processes produce；At this
In invention, described two grades of overflows, preferably as kaolin raw ore and the blending water of dispersant, return stirring pool, it is achieved two grades overflow
The reuse of stream, it is achieved the purpose of energy-saving and emission-reduction.
After obtaining two grades of sand settings, eddy flow described in described two grades of sand settings, technique scheme is preferably processed and obtains by the present invention
Sediment by rotational flow and water mixing after carry out three times separate, obtain three grades of overflows and tailings.In the present invention, separated for described three times
The consumption of Cheng Zhongshui is preferably 40wt%～70wt% of described kaolin raw ore quality, and the most described Kaolin is former
50wt%～75wt% of mineral nitrogen amount, the 55wt% of the most described kaolin raw ore quality.In the present invention, described three times
Separating and preferably carry out in spiral sand removing machine, in an embodiment of the present invention, the model of three separation spiral sand removing machines is straight
The spiral sand removing machine of footpath 1800mm, the power of the spiral sand removing machine of described diameter 1800mm is preferably 25kw～30KW, and rotating speed is excellent
Elect 15r/min～18r/min as.In the present invention, the three grades of sand settings obtained after described three times separate are preferably clean
Quartz sand, in the embodiment of the present invention, the clay content of three grades of sand settings is preferably 0.5～1.0wt%, more preferably 0.8wt%.
In the present invention, described three grades of overflows, preferably as secondary separation water, return secondary separation spiral sand removing machine, it is achieved three grades
The reuse of overflow, it is achieved the purpose of energy-saving and emission-reduction.
A kind of method that the invention provides Kaolin desanding, comprises the following steps: (1) is by kaolin raw ore, water and divides
Powder mixes, and obtains mixed ore pulp；(2) separate the mixed ore pulp that described step (1) obtains, obtain one-level overflow and one-level is sunk
Sand；(3) eddy flow processes the one-level overflow that described step (2) obtains, and obtains sediment by rotational flow and kaolin ore slurry.The present invention provides
The method of Kaolin desanding, seriality is strong, and dispersant can promote to stick to the kaolinic disengaging of quartz sand surface, and water
Addition also be able to fully wash the Kaolin sticking to quartz sand surface in raw ore the water washed away forms ore pulp and reaches
Separate with quartz sand, and then be easy to Kaolin and the separation of quartz sand in subsequent separation process, it is achieved improve kaolin ore slurry
The purpose of middle ore pulp solid content；Further, the addition of water is inversely proportional to ore pulp solid content, and the addition of water is the biggest, ore pulp
Solid content is the least.Embodiments of the invention result shows, the method for the Kaolin desanding that the present invention provides, it is ensured that kaolin ore slurry
The abundant removal of middle quartz sand, is washed thoroughly in quartz sand mine tailing, and the clay content of quartz sand is less than 1%, the Kaolin obtained
In ore pulp, ore pulp solid content reaches 25～30%, the obtained kaolin ore slurry sieve by 325 mesh, and oversize is less than 2%,
It is easy to follow-up processing.
The Kaolin desanding method provided the present invention below in conjunction with embodiment is described in detail, but can not be it
Be interpreted as limiting the scope of the present invention.
Embodiment 1
One, excavator, joins four dump trucks, VFC belt feeder, and 2 circumscribed circle diameters are six limits of 2m
The stirring pool of shape pond series connection, the deep 1.5m in pond, blender power 30kw, separation spiral sand removing machine model are
Secondary separation, three separation spiral sand removing machine models areCyclone uses 2Rubber eddy flow
Device is in parallel.
By the sodium hexametaphosphate solution mixing that kaolin raw ore, water and mass fraction are 20%, obtain mixed ore pulp, wherein
In kaolin raw ore, Kaolin content is 20wt%, and in kaolin raw ore, quartz sand is 80wt%, in sodium hexametaphosphate solution six
The amount of Polymeric sodium metaphosphate. is the 0.17wt% in kaolin raw ore under Kaolin drying regime, and amount of water is kaolin raw ore quality
60wt%；Being separated in separation spiral sand removing machine by mixed slurry, the power of separation process spiral sand removing machine is 30kw,
Rotating speed is 15r/min, obtains one-level sand setting and one-level overflow, by one-level overflow by pressure be 0.2MPa/cm2 be pumped into rotation
In stream device, one-level overflow carrying out in cyclone eddy flow process, in the overflow obtained, sand content is few, and ore pulp solid content is
27%, it is target kaolin ore slurry.In the one-level sand setting of isolated, three grades of overflows of addition are as slurry, pass through spiral
Sand removing machine carries out secondary separation, and secondary separation is with during spiral sand removing machine desanding, and power is 30kw, and rotating speed is 16r/min,
The two grades of overflows arrived and secondary sand setting, two grades of obtained overflows, return stirring pool, mixed as kaolin raw ore and dispersant
Share water, it is achieved the reuse of two grades of overflows, it is achieved the purpose of energy-saving and emission-reduction；Two grades of sand settings that secondary separation obtains and spiral sand setting
Mix, add the water of the 60wt% of kaolin raw ore quality, spiral sand removing machine carries out three times and separates, separate at three times
Time, the power of spiral sand removing machine is 25KW, and rotating speed is 15r/min, and the clay content obtained is the clean quartz sand of 0.8wt%,
And using the three of isolated grades of overflows as secondary separation water, return secondary separation spiral sand removing machine, it is achieved three grades of overflows
Reuse, it is achieved the purpose of energy-saving and emission-reduction.Can reach to process 2500 tons of raw ores every day, finally according to this technical scheme implemented
Kaolin ore slurry solid content 27%, the obtained kaolin ore slurry sieve by 325 mesh, oversize is 1.2%, and quartz sand contains
The effect of mud amount 0.8%.
Embodiment 2
One, excavator, joins four dump trucks, VFC belt feeder, and 2 circumscribed circle diameters are six limits of 2m
The stirring pool of shape pond series connection, the deep 1.5m in pond, blender power 30kw, separation spiral sand removing machine model are
Secondary separation, three separation spiral sand removing machine models areCyclone uses 2Rubber eddy flow
Device is in parallel.
By the sodium silicate solution mixing that kaolin raw ore, water and mass fraction are 25%, obtain mixed ore pulp, wherein kaolinite
In soil raw ore, Kaolin content is 25wt%, and during in sodium silicate solution, the consumption of sodium silicate is kaolin raw ore, Kaolin is dried shape
0.2wt% under state, amount of water is the 70wt% of kaolin raw ore quality；Mixed slurry is entered in separation spiral sand removing machine
Row separates, and the power of separation process spiral sand removing machine is 30kw, and rotating speed is 18r/min, obtains one-level sand setting and one-level overflow, will
One-level overflow is 0.2MPa/cm by pressure2Be pumped in cyclone, one-level overflow is carried out at eddy flow in cyclone
Reason, in the overflow obtained, sand content is few, and ore pulp solid content is 30%, is target kaolin ore slurry.The one-level of isolated is sunk
In sand, three grades of overflows of addition are as slurry, carry out secondary separation by spiral sand removing machine, secondary separation spiral sand removing machine
During desanding, power is 30kw, and rotating speed is 16r/min, the two grades of overflows obtained and secondary sand setting, and obtained two grades overflow
Stream, returns stirring pool, as kaolin raw ore and the blending water of dispersant, it is achieved the reuse of two grades of overflows, it is achieved energy-conservation subtract
The purpose of row；Two grades of sand settings that secondary separation obtains mix with spiral sand setting, add the 70wt% of kaolin raw ore quality
Water, carry out in spiral sand removing machine three times separate, three times separate time, the power of spiral sand removing machine is 30KW, and rotating speed is
18r/min, the clay content obtained is the clean quartz sand of 0.8wt%, and the three of isolated grades of overflows is divided as secondary
From with water, return secondary separation spiral sand removing machine, it is achieved the reuse of three grades of overflows, it is achieved the purpose of energy-saving and emission-reduction.According to this
The technical scheme implemented can reach to process 2500 tons of raw ores every day, final kaolin ore slurry solid content 30%, obtained height
The ridge soil ore pulp sieve by 325 mesh, oversize is 1.2%, the effect of quartz sand clay content 0.6%.
Embodiment 3
One, excavator, joins four dump trucks, VFC belt feeder, and 2 circumscribed circle diameters are six limits of 2m
The stirring pool of shape pond series connection, the deep 1.5m in pond, blender power 30kw, separation spiral sand removing machine model are
Secondary separation, three separation spiral sand removing machine models areCyclone uses 2Rubber eddy flow
Device is in parallel.
By the sodium hexametaphosphate solution mixing that kaolin raw ore, water and mass fraction are 15%, obtain mixed ore pulp, wherein
In kaolin raw ore, Kaolin content is 25wt%, and in kaolin raw ore, quartz sand is 75wt%, in sodium hexametaphosphate solution six
The amount of Polymeric sodium metaphosphate. is the 0.15wt% in kaolin raw ore under Kaolin drying regime, and amount of water is kaolin raw ore quality
40wt%；Being separated in separation spiral sand removing machine by mixed slurry, the power of separation process spiral sand removing machine is 30kw,
Rotating speed is 15r/min, obtains one-level sand setting and one-level overflow, is 0.3MPa/cm by one-level overflow by pressure2Be pumped into rotation
In stream device, one-level overflow carrying out in cyclone eddy flow process, in the overflow obtained, sand content is few, and ore pulp solid content is
25%, it is target kaolin ore slurry.In the one-level sand setting of isolated, three grades of overflows of addition are as slurry, pass through spiral
Sand removing machine carries out secondary separation, and secondary separation is with during spiral sand removing machine desanding, and power is 30kw, and rotating speed is 16r/min,
The two grades of overflows arrived and secondary sand setting, two grades of obtained overflows, return stirring pool, mixed as kaolin raw ore and dispersant
Share water, it is achieved the reuse of two grades of overflows, it is achieved the purpose of energy-saving and emission-reduction；Two grades of sand settings that secondary separation obtains and spiral sand setting
Mix, add the water of the 40wt% of kaolin raw ore quality, spiral sand removing machine carries out three times and separates, separate at three times
Time, the power of spiral sand removing machine is 25KW, and rotating speed is 15r/min, and the clay content obtained is the clean quartz sand of 0.8wt%,
And using the three of isolated grades of overflows as secondary separation water, return secondary separation spiral sand removing machine, it is achieved three grades of overflows
Reuse, it is achieved the purpose of energy-saving and emission-reduction.Can reach to process 2500 tons of raw ores every day, finally according to this technical scheme implemented
Kaolin ore slurry solid content 25%, the obtained kaolin ore slurry sieve by 325 mesh, oversize is 1.0%, and quartz sand contains
The effect of mud amount 0.9%.
Embodiment 4
One, excavator, joins four dump trucks, VFC belt feeder, and 2 circumscribed circle diameters are six limits of 2m
The stirring pool of shape pond series connection, the deep 1.5m in pond, blender power 30kw, separation spiral sand removing machine model are
Secondary separation, three separation spiral sand removing machine models areCyclone uses 2Rubber eddy flow
Device is in parallel.
By the sodium silicate solution mixing that kaolin raw ore, water and mass fraction are 18%, obtain mixed ore pulp, wherein kaolinite
In soil raw ore, Kaolin content is 20wt%, and in kaolin raw ore, quartz sand is 80wt%, the amount of sodium silicate in sodium silicate solution
For the 0.15wt% under Kaolin drying regime in kaolin raw ore, amount of water is the 60wt% of kaolin raw ore quality；Will be mixed
Closing slurry to separate in separation spiral sand removing machine, the power of separation process spiral sand removing machine is 30kw, and rotating speed is 15r/
Min, obtains one-level sand setting and one-level overflow, is 0.3MPa/cm by one-level overflow by pressure2Be pumped in cyclone, will
One-level overflow carries out eddy flow process in cyclone, and in the overflow obtained, sand content is few, and ore pulp solid content is 26%, is target
Kaolin ore slurry.In the one-level sand setting of isolated, three grades of overflows of addition are as slurry, carry out two by spiral sand removing machine
Secondary separation, secondary separation is with during spiral sand removing machine desanding, and power is 30kw, and rotating speed is 18r/min, the two grades of overflows obtained
With secondary sand setting, two grades of obtained overflows, return stirring pool, as kaolin raw ore and the blending water of dispersant, it is achieved
The reuse of two grades of overflows, it is achieved the purpose of energy-saving and emission-reduction；Two grades of sand settings that secondary separation obtains mix with spiral sand setting, add
Enter the water of the 60wt% of kaolin raw ore quality, spiral sand removing machine carries out three times and separates, when separating for three times, spiral desanding
The power of machine is 25KW, and rotating speed is 15r/min, and the clay content obtained is the clean quartz sand of 0.7wt%, and by isolated
Three grades of overflows as secondary separation water, return secondary separation spiral sand removing machine, it is achieved the reuse of three grades of overflows, it is achieved joint
The purpose that can reduce discharging.Can reach to process 2500 tons of raw ores every day according to this technical scheme implemented, final kaolin ore slurry is solid
Content 26%, the obtained kaolin ore slurry sieve by 325 mesh, oversize is 1.2%, quartz sand clay content 0.7%
Effect.
Embodiment 5
One, excavator, joins four dump trucks, VFC belt feeder, and 2 circumscribed circle diameters are six limits of 2m
The stirring pool of shape pond series connection, the deep 1.5m in pond, blender power 30kw, separation spiral sand removing machine model are
Secondary separation, three separation spiral sand removing machine models areCyclone uses 2Rubber eddy flow
Device is in parallel.
By the sodium tripolyphosphate solution mixing that kaolin raw ore, water and mass fraction are 15%, obtain mixed ore pulp, wherein
In kaolin raw ore, Kaolin content is 25wt%, and in kaolin raw ore, quartz sand is 75wt%, in sodium tripolyphosphate solution six
The amount of Polymeric sodium metaphosphate. is the 0.15wt% in kaolin raw ore under Kaolin drying regime, and amount of water is kaolin raw ore quality
40wt%；Being separated in separation spiral sand removing machine by mixed slurry, the power of separation process spiral sand removing machine is 30kw,
Rotating speed is 15r/min, obtains one-level sand setting and one-level overflow, is 0.3MPa/cm by one-level overflow by pressure2Be pumped into rotation
In stream device, one-level overflow carrying out in cyclone eddy flow process, in the overflow obtained, sand content is few, and ore pulp solid content is
25%, it is target kaolin ore slurry.In the one-level sand setting of isolated, three grades of overflows of addition are as slurry, pass through spiral
Sand removing machine carries out secondary separation, and secondary separation is with during spiral sand removing machine desanding, and power is 30kw, and rotating speed is 16r/min,
The two grades of overflows arrived and secondary sand setting, two grades of obtained overflows, return stirring pool, mixed as kaolin raw ore and dispersant
Share water, it is achieved the reuse of two grades of overflows, it is achieved the purpose of energy-saving and emission-reduction；Two grades of sand settings that secondary separation obtains and spiral sand setting
Mix, add the water of the 40wt% of kaolin raw ore quality, spiral sand removing machine carries out three times and separates, separate at three times
Time, the power of spiral sand removing machine is 25KW, and rotating speed is 15r/min, and the clay content obtained is the clean quartz sand of 0.8wt%,
And using the three of isolated grades of overflows as secondary separation water, return secondary separation spiral sand removing machine, it is achieved three grades of overflows
Reuse, it is achieved the purpose of energy-saving and emission-reduction.Can reach to process 2500 tons of raw ores every day, finally according to this technical scheme implemented
Kaolin ore slurry solid content 25%, the obtained kaolin ore slurry sieve by 325 mesh, oversize is 1.0%, and quartz sand contains
The effect of mud amount 0.9%.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a method for Kaolin desanding, comprises the following steps:
(1) by kaolin raw ore, water and dispersant, mixed ore pulp is obtained；
(2) separate the mixed ore pulp that described step (1) obtains, obtain one-level overflow and one-level sand setting；
(3) eddy flow processes the one-level overflow that described step (2) obtains, and obtains sediment by rotational flow and kaolin ore slurry.
Kaolin desanding method the most according to claim 1, it is characterised in that in described step (1), the addition of water is
40wt%～70wt% of described kaolin raw ore quality.
The method of Kaolin desanding the most according to claim 1, it is characterised in that described kaolin raw ore includes following matter
The component of amount content:
The quartz sand of 75～80wt% and the Kaolin of 20～25wt%.
The method of Kaolin desanding the most according to claim 3, it is characterised in that the quality of described dispersant is described height
In the soil raw ore of ridge the 0.15～0.2wt% of Kaolin quality.
5. according to the method for the Kaolin desanding described in claim 1 or 4, it is characterised in that described dispersant is Quadrafos
One or more in compounds and silicates inorganic compound.
The method of Kaolin desanding the most according to claim 5, it is characterised in that described Quadrafos compounds is six
Polymeric sodium metaphosphate. and/or sodium tripolyphosphate.
The method of Kaolin desanding the most according to claim 5, it is characterised in that described silicates inorganic compound is
Sodium silicate.
The method of Kaolin desanding the most according to claim 1, it is characterised in that described step also includes after (2): secondary
Separate the one-level sand setting that described step (2) obtains, obtain two grades of overflows and two grades of sand settings.
The method of Kaolin desanding the most according to claim 8, it is characterised in that after described secondary separation and cyclonic separation
Also include: carry out three times after the sediment by rotational flow described two grades of sand settings, described step (3) obtained and water mixing and separate, obtain three
Level overflow and tailings.
The method of Kaolin desanding the most according to claim 9, it is characterised in that the addition of described water is described step
Suddenly 40wt%～70wt% of (1) kaolin raw ore quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375431.5A CN106076599A (en) | 2016-05-30 | 2016-05-30 | A kind of method of Kaolin desanding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375431.5A CN106076599A (en) | 2016-05-30 | 2016-05-30 | A kind of method of Kaolin desanding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106076599A true CN106076599A (en) | 2016-11-09 |
Family
ID=57230015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375431.5A Pending CN106076599A (en) | 2016-05-30 | 2016-05-30 | A kind of method of Kaolin desanding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106076599A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975562A (en) * | 2017-03-09 | 2017-07-25 | 兖矿北海高岭土有限公司 | A kind of kaolinic slurrying desanding method |
| CN109160626A (en) * | 2018-11-13 | 2019-01-08 | 青岛恩普环保设备有限公司 | Sewage treatment system with zero discharge |
| CN113716578A (en) * | 2021-09-15 | 2021-11-30 | 山西金宇科林科技有限公司 | Process for removing free quartz from coal-series kaolin |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030141224A1 (en) * | 2001-09-14 | 2003-07-31 | Imerys Pigments, Inc. | Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension |
| CN101099940A (en) * | 2007-07-25 | 2008-01-09 | 茂名市银华高岭土实业有限公司 | Kaolin high concentration ore dressing technology |
| CN101117004A (en) * | 2007-08-24 | 2008-02-06 | 中国地质大学（武汉） | Production technology of high |
| CN101798096A (en) * | 2010-04-01 | 2010-08-11 | 茂名市茂群高岭土有限公司 | Method for preparing kaoline |
| CN101863487A (en) * | 2010-05-28 | 2010-10-20 | 茂名石化矿业有限公司 | Production method of superfine kaolin |
| CN102357400A (en) * | 2011-07-29 | 2012-02-22 | 合浦沪天高岭土有限责任公司 | Method for processing low-grade kaolinite ore |
| CN103086390A (en) * | 2012-11-16 | 2013-05-08 | 中国地质大学（武汉） | Technique for efficiently removing iron from kaolin |
| CN104475235A (en) * | 2014-11-26 | 2015-04-01 | 广西融水良基矿业有限公司 | Purification process for low-grade kaolin ores |
| CN105268544A (en) * | 2015-12-01 | 2016-01-27 | 中国矿业大学 | Wide-particle-size coal series kaolinite upgrading process based on fluidization sorting |
-
2016
- 2016-05-30 CN CN201610375431.5A patent/CN106076599A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030141224A1 (en) * | 2001-09-14 | 2003-07-31 | Imerys Pigments, Inc. | Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension |
| CN101099940A (en) * | 2007-07-25 | 2008-01-09 | 茂名市银华高岭土实业有限公司 | Kaolin high concentration ore dressing technology |
| CN101117004A (en) * | 2007-08-24 | 2008-02-06 | 中国地质大学（武汉） | Production technology of high |
| CN101798096A (en) * | 2010-04-01 | 2010-08-11 | 茂名市茂群高岭土有限公司 | Method for preparing kaoline |
| CN101863487A (en) * | 2010-05-28 | 2010-10-20 | 茂名石化矿业有限公司 | Production method of superfine kaolin |
| CN102357400A (en) * | 2011-07-29 | 2012-02-22 | 合浦沪天高岭土有限责任公司 | Method for processing low-grade kaolinite ore |
| CN103086390A (en) * | 2012-11-16 | 2013-05-08 | 中国地质大学（武汉） | Technique for efficiently removing iron from kaolin |
| CN104475235A (en) * | 2014-11-26 | 2015-04-01 | 广西融水良基矿业有限公司 | Purification process for low-grade kaolin ores |
| CN105268544A (en) * | 2015-12-01 | 2016-01-27 | 中国矿业大学 | Wide-particle-size coal series kaolinite upgrading process based on fluidization sorting |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975562A (en) * | 2017-03-09 | 2017-07-25 | 兖矿北海高岭土有限公司 | A kind of kaolinic slurrying desanding method |
| CN109160626A (en) * | 2018-11-13 | 2019-01-08 | 青岛恩普环保设备有限公司 | Sewage treatment system with zero discharge |
| CN109160626B (en) * | 2018-11-13 | 2023-04-25 | 青岛恩普环保设备有限公司 | Sewage treatment zero release system |
| CN113716578A (en) * | 2021-09-15 | 2021-11-30 | 山西金宇科林科技有限公司 | Process for removing free quartz from coal-series kaolin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100563968C (en) | The kaolinic production method of a kind of high sticking concentration | |
| CN104261361B (en) | A kind of low-grade refractory selects the washup direct flotation method of shale phosphorus ore | |
| CN101596490B (en) | Dry and wet method integration mineral processing technology for diatomite ore | |
| CN204714674U (en) | A kind for the treatment of unit of steel rolling greasy filth | |
| CN106076599A (en) | A kind of method of Kaolin desanding | |
| CN101979165A (en) | Waste lead-acid accumulator breaking separation machine and method | |
| CN109867386A (en) | A kind of waterborne moveable mud conditioning device and treatment process | |
| CN205436031U (en) | Low -grade floatation device for magnesite | |
| CN103096990A (en) | Flocculent addition and mixing rate for separating a slurry | |
| CN110790469B (en) | Process and device for improving pressure filtration performance of tail coal slime by coal gasification fine slag | |
| CN104926001B (en) | Intervene fado function concentrator | |
| CN111253964B (en) | Method for treating polymer-containing oil sludge | |
| CN204261589U (en) | A kind of acid hydrolysis solution and flocculant mixing stirring device | |
| CN105645734A (en) | Sludge dewatering and circulating equipment for fluorite tail pulp treatment and application of sludge dewatering and circulating equipment | |
| CN101274760A (en) | Production method for silicon sludge recycle | |
| CN206315925U (en) | Mud | |
| CN205796736U (en) | Ball milling mine tailing directly sieves dewatering system | |
| CN104988337B (en) | The bone coal navajoite extract technology that a kind of spent acid recycles | |
| CN108910905A (en) | A kind of the ultrasound centrifugation purification and sodium base method of low-grade bentonite | |
| CN104480498A (en) | Molten salt electrolysis cathode educt separating method and device | |
| CN107252585A (en) | Slurry circulating system | |
| CN207435184U (en) | A kind of waste water and dregs processing system of concrete mixing plant | |
| CN207671697U (en) | A kind of production system of smectite powder | |
| CN112724169A (en) | Novel process for purifying waste glyphosate salt | |
| CN205128587U (en) | Lubricating oil filter cake is handled and recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |