CN110182820A - A kind of bentonite processing technology - Google Patents
A kind of bentonite processing technology Download PDFInfo
- Publication number
- CN110182820A CN110182820A CN201910499783.5A CN201910499783A CN110182820A CN 110182820 A CN110182820 A CN 110182820A CN 201910499783 A CN201910499783 A CN 201910499783A CN 110182820 A CN110182820 A CN 110182820A
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- Prior art keywords
- bentonite
- box
- water
- powder
- pulp
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Links
- 229910000278 bentonite Inorganic materials 0.000 title claims abstract description 159
- 239000000440 bentonite Substances 0.000 title claims abstract description 159
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 238000012545 processing Methods 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 229940092782 bentonite Drugs 0.000 claims abstract description 158
- 238000012216 screening Methods 0.000 claims abstract description 80
- 239000000843 powder Substances 0.000 claims abstract description 73
- 238000003860 storage Methods 0.000 claims abstract description 35
- 238000000227 grinding Methods 0.000 claims abstract description 32
- 238000001035 drying Methods 0.000 claims abstract description 22
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 18
- 239000011734 sodium Substances 0.000 claims abstract description 18
- 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 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 7
- 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 claims abstract description 6
- 239000004615 ingredient Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 229940080314 sodium bentonite Drugs 0.000 claims abstract description 6
- 229910000280 sodium bentonite Inorganic materials 0.000 claims abstract description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 6
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 163
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 7
- 235000013339 cereals Nutrition 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 12
- 239000002689 soil Substances 0.000 description 11
- 238000003756 stirring Methods 0.000 description 10
- 239000011148 porous material Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 5
- 238000007873 sieving Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 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 3
- 238000004064 recycling Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/40—Clays
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a kind of bentonite processing technologys, including；A, sodium is handled: using obtaining sodium bentonite after soda ash sodium；B, drying and processing；C, it grinds fine powder: the bentonite in powder after drying being broken to the ore for meeting grinder feed needs, and it is promoted to storage hopper from elevator, then the bentonite major ingredient of grinder is uniformly sent into grinding chamber powder by electro-vibrating feeder；D, classification is handled: the material after grinding is classified by the system airflow of clasfficiator, and underproof powder, which classifies by clasfficiator and returns to grinding chamber, to be re-grind；E, purification processes: bentonite fine powder after grinding is put into screening machine, the sand particles in bentonite is removed, to obtain high-purity bentonite；F, powder is collected: the powder for meeting fineness enters powder collection system, and air-flow passes through pipeline, gas powder separation；Finished powder is sent by feeding device to finished product bin, then has powder tank car or automatic packing machine uniformly to pack.
Description
Technical field
The invention belongs to bentonite processing technique fields, more particularly, to a kind of bentonite processing technology.
Background technique
Bentonite is the nonmetallic minerals using montmorillonite as main mineral constituent, and smectite structure is by two silicon oxygen four sides
Body presss from both sides the 2:1 type crystal structure of one layer of alumina octahedral composition, and there are certain sun for the layer structure formed due to montmorillonite structure cell
Ion, such as Cu, Mg, Na, K, and these cations are very unstable with the effect of montmorillonite structure cell, easily handed over by other cations
It changes, therefore there is preferable ion exchangeable.Foreign countries apply in a department in 24 fields of industrial and agricultural production more than 100, have more than 300
A product, thus people are referred to as " omnipotent soil ".
It would generally be mixed into sandstone impurity in bentonite, in bentonite producting rule, need to do bentonite filtering purification
Processing, existing method of crossing has in such a way that filter screen directly filters, using the diameter difference of bentonite and sandstone by sandstone
Filtering, but small clod is also mixed in bentonite, small clod is fallen from filter screen together with sandstone during the filtration process, when to big
Amount bentonite is when doing filtration treatment, the small clod amount fallen from filter screen be also it is huge, it is existing in this part small clod
Operation be directly give up, so that bentonite is produced more waste in process of production.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of bentonite processing technology.
To achieve the goals above, the invention adopts the following technical scheme: a kind of bentonite processing technology, including；
A, sodium is handled: using obtaining sodium bentonite after soda ash sodium；
B, drying and processing: being fallen bentonite moisture complete evaporation using roller drying machine, dry to a small amount of watery by drier
State；
C, it grinds fine powder: the bentonite in powder after drying is broken to the ore for meeting grinder feed needs, and by it from elevator
It is promoted to storage hopper, then the bentonite major ingredient of grinder is uniformly sent into grinding chamber powder by electro-vibrating feeder；
D, classification is handled: the material after grinding is classified by the system airflow of clasfficiator, and underproof powder is classified by clasfficiator
And it returns to grinding chamber and is re-grind；
E, purification processes: bentonite fine powder after grinding is put into screening machine, the sand particles in bentonite is removed, to obtain
Obtain high-purity bentonite；
F, powder is collected: the powder for meeting fineness enters powder collection system, and air-flow passes through pipeline, gas powder separation；Finished product
Powder is sent by feeding device to finished product bin, then has powder tank car or automatic packing machine uniformly to pack；
Wherein, the screening machine in the step e include treatment box, the screening box in the treatment box and be set to the screening
Pulp-collecting box below box, the pulp-collecting box is interior to be equipped with the first screen frame, is equipped in the treatment box and matches with first screen frame
Support component, the treatment box bottom is equipped with hydraulic stem for driving the pulp-collecting box to move up and down, the pulp-collecting box
Top is equipped with the first connecting plate, and first connecting plate is equipped with mixing component, is equipped with movable plate, institute above the mixing component
It states and is equipped with water storage cavity in movable plate, the water storage cavity bottom is equipped with multiple hole for water sprayings, and the treatment box side wall, which rises, to be equipped with and institute
The through slot that movable plate matches is stated, the movable plate can be moved along the through slot inner wall；After the completion of bentonite grinding, by bentonite
It is put into screening box, the bentonite powder of bulky grain is trapped on screening box, and the bentonite of fine sand and fine particle is from screening
Fallen on box, fall to sandstone and the bentonite of part fine-powdered in pulp-collecting box, when screening box on fine powder and little particle it is swollen
After profit soil is all fallen in pulp-collecting box, movable plate toward treatment box internal motion, makes movable plate move to the along through slot inner wall
It above one connecting plate, intakes in water storage cavity, the water flow in water storage cavity is sprayed by hole for water spraying, falls water flow in the first connecting plate
On, by the first connecting plate bentonite and sandstone wash away, water flow is fallen in pulp-collecting box, and mixing component is to the water in pulp-collecting box
Stream is stirred, and bentonite, which is mixed into water, forms suspension, and after bentonite is sufficiently mixed with water flow, hydraulic stem drives splicing
Box moves down, and support component fixes the first screen frame, moves pulp-collecting box down relative to the first screen frame, and sandstone is filtered
On first screen frame, bentonite and water flow are fallen from the first screen frame, are placed in bentonite and water flow in pulp-collecting box, will be in pulp-collecting box
Mud mixture collection be dried, the bentonite in mud mixture is recycled.
Bentonite after sieving collects the sandstone under sieving and small clod in pulp-collecting box, so as to small to what is screened
Soil block is recycled；Small clod is recycled by the way that small clod is mixed into the mode in water, avoids small clod and sandstone
It is trapped on the first screen frame, separates small clod mutually with sandstone, complete the recovery processing to small clod；To from screening box
The small clod fallen is recycled, and is reduced the waste of bentonite in process, is reduced bentonite processing cost；It will be movable
Plate is arranged above connecting plate, directly spray in water flow can at the top of movable plate after spraying out of hole for water spraying, avoids connecting plate
Upper residual sandstone and small clod, convenient for clearing up screening machine inside；Under the mutual cooperation of hydraulic stem and pulp-collecting box, make to connect
Magazine is mutually separated with the first screen frame, to mud mixture mutually be separated with sandstone, so as to directly by pulp-collecting box out of screening machine
It takes out, convenient for being recycled to the small clod in pulp-collecting box；Under the mutual cooperation of movable plate and through slot, when bentonite sieves
When processing, movable plate is entered in through slot, avoids sand particles from falling at the top of movable plate the inconvenience for causing cleaning, when sandstone
After grain is fallen on pulp-collecting box, movable plate is entered inside treatment box, and water flow is sprayed in pulp-collecting box, so as to will be in sandstone
Small clod recycling.
Roller drying machine length in the step b is 7-8m, and diversion trench is arranged in cylinder inboard wall.
The fineness of flour mill milling in the step c is 120 ~ 350 mesh.
Bentonite in the step a is acidified 1-3 hours in dilute sulfuric acid before sodium, is roasted under the conditions of 250-350 DEG C
It burns 1-3 hours, to obtain acid bentonite；
The dilute sulfuric acid is prepared by the raw material of parts by weight below: 98% 1-5 parts of the concentrated sulfuric acid, 95-99 parts of water.
It is respectively equipped with groove on the inner wall of the treatment box two sides, hydraulic cylinder is equipped in the groove, is equipped in the groove
Link block, the groove inner wall are equipped with sliding slot, and the link block side wall is equipped with the sliding block matched with the sliding slot, described
Link block is equipped with first connecting rod, and the first connecting rod inclination is set on the link block, and the screening cassette bottom portion is equipped with
Second connecting plate, the first connecting rod are rotationally connected on second connecting plate, and the piston rod of the hydraulic cylinder is connected
In the link block bottom；Bentonite is put into screening box after bentonite is broken, the Driven by Hydraulic Cylinder in left groove is living
Stopper rod stretches out, and the Driven by Hydraulic Cylinder piston rod in right groove is shunk, and makes to sieve box formation inclined-plane, the bentonite sieved on box exists
Along the sliding of screening box surface under gravity；Driven by Hydraulic Cylinder piston rod in subsequent left groove is shunk, in right groove
Driven by Hydraulic Cylinder piston rod stretch out, make to sieve box toward left side, sieve the bentonite on box under the effect of gravity from right side
Move to left side；As the hydraulic cylinder of two sides works alternatively, makes to sieve box alternating towards two sides inclination, make to sieve the bentonite on box
It is dropped out out of screening box, screening process is done to bentonite；Under the action of handling chamber interior wall two sides hydraulic cylinder, locating screening box
Side-to-side motion is done in reason case, so that bentonite be made, in persistent movement state, bentonite to be avoided to be deposited on screening box
At one, the sandstone in bentonite is removed, is promoted to bentonitic filter effect；Under the mutual cooperation of sliding block and sliding slot, make
Sliding block provides support force when sliding slot inner wall is mobile for sliding block, so that link block screening box is made to provide stable supporting role,
Screening box is reduced to the lateral pull of hydraulic cylinder piston rod, is shielded to hydraulic cylinder piston rod.
The treatment box side wall is equipped with water tank, and third connecting plate, the third connection are equipped with below the water tank
The movable chamber matched with through slot is equipped in plate, the movable chamber bottom is equipped with support spring, and the is equipped at the top of the movable chamber
One through-hole, the first through hole are communicated by a water-supply-pipe with the water tank, and water pump, the activity are equipped in the water tank
Plate one end is equipped with the second through-hole communicated with the water storage cavity, is equipped with valve member in second through-hole；The through slot inner wall
It is equipped with limiting slot, the movable plate side wall is equipped with the limit plate matched with the limiting slot；Sieve box in sandstone and
After little particle bentonite is fallen in pulp-collecting box, the water flow in water tank is imported into water-supply-pipe by water pump, and water flow passes through water delivery
Pipe enters in movable chamber, and the water jet propulsion movable plate in movable chamber is moved along movable cavity wall, and limit plate is made to move to limit
At groove location, movable plate can not continue to move forward, and valve member unlatching enters the water flow in movable chamber in the second through-hole,
Water flow is entered in water storage cavity by the second through-hole, and the water flow in water storage cavity is sprayed out of hole for water spraying, and water flow is filled into splicing
In box, keeps bentonite soluble in water and bentonite in silt mixture is recycled；When movable plate enters in movable chamber
Afterwards, movable plate one end is in support spring, and movable plate and movable cavity wall is made to there is gap always under support spring effect,
Water flow is set to be in contact always with movable plate end when entering in movable chamber, to push movable plate in work in the presence of hydraulic pressure
Move intracavitary movement；The movement of movable plate is controlled by valve member, when water pressure pushing movable plate is mobile at valve member
In closed state, after movable plate moves in treatment box, valve member is in the open state, make water flow by the second through-hole into
Enter into water storage cavity, provides water flow for the sandstone convex block in pulp-collecting box, to separate soil block out of sandstone, convex block is recycled
Processing；Under the mutual cooperation of limiting slot and limit plate, the maximum distance mobile to movable plate is defined, avoid movable plate from
Abjection in movable chamber, guarantees the fiting effect of movable plate and movable chamber.
The invention has the following advantages that being recycled to the small clod fallen from screening box, reduces bentonite and adding
Waste during work reduces bentonite processing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of screening machine in the embodiment of the present invention 1.
Fig. 2 is the diagrammatic cross-section one of screening machine in the embodiment of the present invention 1.
Fig. 3 is enlarged drawing at the A in Fig. 2.
Fig. 4 is enlarged drawing at the B in Fig. 2.
Fig. 5 is enlarged drawing at the C in Fig. 2.
Fig. 6 is enlarged drawing at the D in Fig. 2.
Fig. 7 is enlarged drawing at the E in Fig. 2.
Fig. 8 is enlarged drawing at the F in Fig. 2.
Fig. 9 is the diagrammatic cross-section two of screening machine in the embodiment of the present invention 1.
Figure 10 is enlarged drawing at the G in Fig. 9.
Specific embodiment
Embodiment 1:
A kind of bentonite processing technology, including；A, sodium is handled: using obtaining sodium bentonite after soda ash sodium；B, at drying
Reason: being fallen bentonite moisture complete evaporation using roller drying machine, dry to a small amount of water state by drier；C, grinding is thin
Bentonite in powder after drying: being broken to the ore for meeting grinder feed needs, and it is promoted to storage hopper from elevator by powder,
Then the bentonite major ingredient of grinder is uniformly sent into grinding chamber powder by electro-vibrating feeder；D, classification is handled: after grinding
Material classified by the system airflow of clasfficiator, underproof powder classifies by clasfficiator and returns to grinding chamber to be ground again
Mill；E, purification processes: bentonite fine powder after grinding is put into screening machine, the sand particles in bentonite is removed, to obtain
Obtain high-purity bentonite；F, powder is collected: the powder for meeting fineness enters powder collection system, and air-flow passes through pipeline, gas powder
End separation；Finished powder is sent by feeding device to finished product bin, then has powder tank car or automatic packing machine uniformly to pack；Institute
Stating the roller drying machine length in step b is 7m, and diversion trench is arranged in cylinder inboard wall；What the flour mill in the step c was milled
Fineness is 120 mesh；Bentonite in the step a is acidified 1 hour in dilute sulfuric acid before sodium, roasts 1 under the conditions of 250 DEG C
Hour, to obtain acid bentonite；The dilute sulfuric acid is prepared by the raw material of parts by weight below: 98% concentrated sulfuric acid 1
Part, 99 parts of water.
As Figure 1-10 shows, the screening machine in the step e includes treatment box 1, the screening box in the treatment box 1
13 and the pulp-collecting box 15 set on the screening box 13 lower section, the first screen frame 16 is equipped in the pulp-collecting box 15, in the treatment box 1
Equipped with the support component matched with first screen frame 16,1 bottom for the treatment of box is equipped with for driving the pulp-collecting box 15
The hydraulic stem 17 moved up and down, the first connecting plate 19 is equipped with above the pulp-collecting box 15, and first connecting plate 19 is equipped with
Mixing component, the mixing component top are equipped with movable plate 110, are equipped with water storage cavity, the water storage cavity bottom in the movable plate 110
Portion is equipped with multiple hole for water sprayings 1101, and 1 side wall for the treatment of box rises the through slot for being equipped with and matching with the movable plate 110, described
Movable plate 110 can be moved along the through slot inner wall；After the completion of bentonite grinding, bentonite is put into screening box 13, big
The bentonite powder of grain is trapped on screening box 13, and the bentonite of fine sand and fine particle is fallen from screening box 13, makes sandstone
Fallen in pulp-collecting box 15 with the bentonite of part fine-powdered, when screening box 13 on fine powder and little particle bentonite all fall
After in pulp-collecting box 15, movable plate 110, toward 1 internal motion for the treatment of box, makes movable plate 110 move to the first company along through slot inner wall
19 top of fishplate bar, water storage cavity is interior to intake, and the water flow in water storage cavity is sprayed by hole for water spraying 1101, falls water flow in the first connection
On plate 19, by the first connecting plate 19 bentonite and sandstone wash away, water flow is fallen in pulp-collecting box 15, and mixing component is to splicing
Water flow in box 15 is stirred, and bentonite, which is mixed into water, forms suspension, hydraulic after bentonite is sufficiently mixed with water flow
Bar 17 drives pulp-collecting box 15 to move down, and support component is fixed by the first screen frame 16, makes pulp-collecting box 15 relative to the first screen frame 16
It moves down, sandstone is filtered on the first screen frame 16, and bentonite and water flow are fallen from the first screen frame 16, makes bentonite and water
Stream is placed in pulp-collecting box 15, the mud mixture collection in pulp-collecting box 15 is dried, to the swelling in mud mixture
Soil recycles.
Bentonite after sieving collects the sandstone under sieving and small clod in pulp-collecting box, so as to small to what is screened
Soil block is recycled；Small clod is recycled by the way that small clod is mixed into the mode in water, avoids small clod and sandstone
It is trapped on the first screen frame, separates small clod mutually with sandstone, complete the recovery processing to small clod；To from screening box
The small clod fallen is recycled, and is reduced the waste of bentonite in process, is reduced bentonite processing cost；It will be movable
Plate is arranged above connecting plate, directly spray in water flow can at the top of movable plate after spraying out of hole for water spraying, avoids connecting plate
Upper residual sandstone and small clod, convenient for clearing up screening machine inside；Under the mutual cooperation of hydraulic stem and pulp-collecting box, make to connect
Magazine is mutually separated with the first screen frame, to mud mixture mutually be separated with sandstone, so as to directly by pulp-collecting box out of screening machine
It takes out, convenient for being recycled to the small clod in pulp-collecting box；Under the mutual cooperation of movable plate and through slot, when bentonite sieves
When processing, movable plate is entered in through slot, avoids sand particles from falling at the top of movable plate the inconvenience for causing cleaning, when sandstone
After grain is fallen on pulp-collecting box, movable plate is entered inside treatment box, and water flow is sprayed in pulp-collecting box, so as to will be in sandstone
Small clod recycling.
Movable plate inclination is arranged in through slot, increases the overlay capacity that water flow sprays, the water flow sprayed is enable to cover comprehensively
First connecting plate, to be cleaned to the first connecting plate.
It sieving box and is equipped with the second screen frame 14, the second screen frame is placed in screening box, and the second screen frame top surface is higher than screening box, the
Extension is equipped at the top of two screen frames, the sieve pore on the second screen frame is corresponding with the sieve pore on screening box, and bentonite is completed in grinding
Bentonite is placed on afterwards in the second screen frame sieved in box and does screening process, after the completion of bentonite screening, directly by second
Screen frame takes out out of screening box, to be collected to the bentonite for filtering completion in screening box.
Pulp-collecting box side wall is equipped with third connecting plate 151, and treatment box side wall is equipped with and matches with the third connecting plate
Loose slot, third connecting plate is arranged in the loose slot, and the third connecting plate is equipped with the first mounting groove, described first
It is equipped with sleeve 152 in mounting groove, the second connecting rod is equipped at the top of the sleeve, second connecting rod is equipped with runner 153, institute
It states hydraulic stem piston rod and is connected with the sleeve by screw thread；When installing to pulp-collecting box, make sleeve and hydraulic cylinder piston rod phase
Runner is transferred on hydraulic stem piston rod, is fixed on the piston rod of hydraulic stem on sleeve, completes to connect by contact, rotating wheel
The installation of magazine；After pulp-collecting box, which carries mud mixture, to be moved down, pulp-collecting box is moved to below treatment box, rotating wheel,
Driven by rotating wheel sleeve is rotated, will be removed on pulp-collecting box and hydraulic stem piston rod, to be done to the mud mixture in pulp-collecting box
It is dried, the soil block in sandstone is recycled.
The support component includes set on the 4th connecting plate 140 handled on chamber interior wall, is set to the 4th connection
Second mounting groove in board bottom portion, the transfer roller 1401 in second mounting groove and the on the transfer roller first support
Plate, first support plate are of an L-shaped structure, and the first screen frame inner wall is equipped with second matched with first support plate
Support plate 161, the sieve pore of the first screen frame are much smaller than the sieve pore of the first screen frame, and the first screen frame side wall and bottom wall are equipped with sieve pore；When
After water flow is mutually mixed in pulp-collecting box with soil block, transfer roller drives the rotation of the first support plate, and the first support plate is made to turn to second
Support plate bottom, the first support plate and the second support plate cooperate, and play a supportive role to the first screen frame；Hydraulic stem drives splicing
Box moves down, is fixed in treatment box and is not moved under the support component effect of the first screen frame with the movement of pulp-collecting box；It connects
Magazine moves to below the first screen frame, sprays water again in water storage cavity, makes sandstone surface of the current scour in the first screen frame, by sand
Stone mud mixture remained on surface is swept away, and mud mixture is fallen in pulp-collecting box from the first screen frame, in subsequent water storage cavity
It no longer sprays water, after mud mixture is fallen in pulp-collecting box, Driven by Hydraulic Cylinder pulp-collecting box moves down, by the mud in pulp-collecting box
Aqueous mixtures take out, to be collected to the bentonite in pulp-collecting box；After the completion of bentonite in pulp-collecting box is collected, by splicing
Box is installed on hydraulic stem again, and hydraulic stem driving pulp-collecting box up moves, and so that pulp-collecting box bottom surface is in contact with the first screen frame, is turned
Roller rotation turns on the first support plate from the second support plate bottom surface, and the first screen frame loses support force and is placed in pulp-collecting box, hydraulic
Bar driving pulp-collecting box moves down, the first screen frame is transported treatment box, convenient for clearing up the sandstone in the first screen frame.
First connecting plate is equipped with third mounting groove, and the mixing component includes being set in the third mounting groove
First driving wheel 192, the stirring rod set on the mounting disc 193 of first driving wheel bottom and set on the installation pan bottom
194, the stirring rod is obliquely installed, and stirring rod is more, to increase the mixing effect of mixing component；Stirring rod bottom is toward flare
Tiltedly, increase the stirring range of mixing component；Stirring motor is equipped at the top of first connecting plate, stirring motor output shaft is equipped with and institute
The second driving wheel that the first driving wheel matches is stated, first connecting plate is fixed on the treatment box by a third connecting rod
On inner wall, it is equipped with housing 191 at the top of first connecting plate, is pyramidal structure at the top of the housing；Housing plays stirring motor
Protective effect avoids water flow sandstone from directly falling on stirring motor；The water flow and silt fallen at the top of housing is made in gravity
It is fallen down under along the tapered sidewalls at the top of housing, silt and water flow is avoided to be deposited on housing；When water flow is from water storage cavity
When interior ejection, water flow is directly flushed on housing and third connecting rod, so as to by silt directly from housing and third connecting rod
It sweeps away, cleaning is served to housing and third connecting rod.
It is respectively equipped with groove on the 1 two sides inner wall for the treatment of box, hydraulic cylinder 18 is equipped in the groove, is set in the groove
There is link block 120, the groove inner wall is equipped with sliding slot 130, and 120 side wall of link block is equipped with and 130 phase of sliding slot
The sliding block 1201 of cooperation, the link block 120 are equipped with first connecting rod, and the first connecting rod inclination is set to the link block
On 120,13 bottom of screening box is equipped with the second connecting plate, and the first connecting rod is rotationally connected with second connecting plate
On, the piston rod of the hydraulic cylinder 18 is fixed on 120 bottom of link block；Bentonite is put into screening after bentonite is broken
In box 13, the hydraulic cylinder 18 in left groove drives piston rod to stretch out, and the hydraulic cylinder 18 in right groove drives piston rod to shrink,
Make to sieve the formation of box 13 inclined-plane, sieves the bentonite on box 13 under the effect of gravity along the sliding of screening 13 surface of box；With rear left
Hydraulic cylinder 18 in the groove of side drives piston rod to shrink, and the hydraulic cylinder 18 in right groove drives piston rod to stretch out, and makes to sieve box
13, toward left side, sieve the bentonite on box 13 and move to left side from right side under the effect of gravity；With the hydraulic cylinder of two sides
18 work alternatively, and make to sieve box 13 alternately the bentonite for making to sieve towards two sides inclination on box 13 to drop out out of screening box 13, to swollen
Profit soil does screening process；Under the action of handling chamber interior wall two sides hydraulic cylinder, screening box is made to do the fortune that is swung left and right in treatment box
It is dynamic, so that bentonite be made, in persistent movement state, to avoid bentonite from being deposited at one, by the sand in bentonite on screening box
Stone removal, is promoted to bentonitic filter effect；Under the mutual cooperation of sliding block and sliding slot, make sliding block when sliding slot inner wall is mobile
Support force is provided for sliding block, so that link block screening box be made to provide stable supporting role, it is living to hydraulic cylinder to reduce screening box
The lateral pull of stopper rod, shields to hydraulic cylinder piston rod.
It handling chamber interior wall and is equipped with connecting hole, screening box side wall is equipped with the connecting shaft 131 matched with the connecting hole,
Connecting hole inner wall is equipped with multiple first convex blocks 150, and connecting shaft is equipped with multiple second convex blocks 132, and Driven by Hydraulic Cylinder sieves box
When tilting, screening tape moves connecting shaft rotation, and when connecting shaft rotates in connecting hole, the first convex block and the second convex block are mutual
Cooperation makes connecting shaft generate vibration in rotation, drives screening box to generate vibration, the silt in sieve pore is shaken off, sieve pore is avoided
Blocking promotes screening box to bentonitic filter effect.
1 side wall for the treatment of box is equipped with water tank 11, is equipped with third connecting plate 12 below the water tank 11, and described the
The movable chamber matched with through slot is equipped in three connecting plates 12, the movable chamber bottom is equipped with support spring 121, the movable chamber
Top is equipped with first through hole, and the first through hole is communicated by a water-supply-pipe 111 with the water tank 11, in the water tank 11
Equipped with water pump, described 110 one end of movable plate is equipped with the second through-hole communicated with the water storage cavity, is equipped with valve in second through-hole
Door component；The through slot inner wall is equipped with limiting slot, and 110 side wall of movable plate is equipped with the limit matched with the limiting slot
Position plate；Sandstone in screening box 13 and after little particle bentonite falls in pulp-collecting box 15, water pump is by the water flow in water tank 11
It imported into water-supply-pipe 111, water flow is entered in movable chamber by water-supply-pipe 111, the water jet propulsion movable plate 110 in movable chamber
It is moved along movable cavity wall, moves to limit plate at limit groove location, movable plate 110 can not continue to move forward, valve group
Part unlatching enters the water flow in movable chamber in the second through-hole, and water flow is entered in water storage cavity by the second through-hole, water storage cavity
Interior water flow is sprayed out of hole for water spraying 1101, and water flow is filled into pulp-collecting box 15, is kept bentonite soluble in water and is mixed to silt
Bentonite in object is recycled；After movable plate enters in movable chamber, movable plate one end is in support spring, is being propped up
So that movable plate and movable cavity wall is there is gap always under support spring effect, when entering water flow in movable chamber always with activity
Plate end is in contact, to push movable plate to move in movable chamber in the presence of hydraulic pressure；By valve member to movable plate
Movement controlled, valve member is in close state when water pressure pushing movable plate is mobile, when movable plate moves to treatment box
After interior, valve member is in the open state, enters water flow in water storage cavity by the second through-hole, is that the sandstone in pulp-collecting box is convex
Block provides water flow and is recycled to separate soil block out of sandstone to convex block；In the mutual cooperation of limiting slot and limit plate
Under, to movable plate, mobile maximum distance is defined, and movable plate is avoided to deviate from out of movable chamber, guarantees movable plate and movable chamber
Fiting effect.
The valve member includes the baffle 1102 being set on second through-hole wall, the sealing film being arranged on baffle
1103 and be sheathed on it is described sealing film on spacing collar 1104, sealing film be pyramidal structure, sealing film be made of plastics, sealing film
One end is arranged in spacing collar, and sealing film side wall is in contact with baffle inner wall, and spacing collar is connected by one the 4th connecting rod 1105
In on second through-hole wall；After water flow enters in movable chamber, sealing film and baffle cooperate, and rise to the second through-hole
Sealing function, water pressure pushing movable plate are moved along movable cavity wall, when limit plate move to limit groove location after, movable plate without
Method continues to move to, and with the increase of hydraulic pressure in movable chamber, moves water jet propulsion sealing film in water storage cavity, sealing film enters
In spacing collar, make to seal film under the action of spacing collar and shrink deformation, sealing film and baffle inner wall, which disengage, to be contacted, and water flow is from sealing
It is entered in water storage cavity in the gap of film and baffle, makes to spray out of hole for water spraying in water storage cavity into water flow, to mention in pulp-collecting box
Watering supply.
After the completion of bentonite grinding, bentonite is put into screening box, Driven by Hydraulic Cylinder sieves box left-right rotation, makes swollen
Sandstone and small clod in profit soil are fallen out of sieve pore, and the foolish thing and small clod fallen out of sieve pore is fallen in pulp-collecting box, right
The sandstone and small clod dropped off is collected；After sandstone and small clod are all fallen out of screening box, by the second screen frame from sieve
Divide in box and take out, convenient for being collected to the bentonite after screening；Water flow in water tank enters movable chamber by water-supply-pipe
It is interior, push movable plate to enter in treatment box, subsequent water flow is sprayed out of hole for water spraying, and water flow is by the silt underwashing on housing into connecing
In magazine, the water flow sprayed out of hole for water spraying is finally fallen in pulp-collecting box, mixing component rotation to the muddy water in pulp-collecting box into
Row stirring, contacts bentonite sufficiently with water, bentonite formation suspension soluble in water, support component provides branch for the first screen frame
Support effect, hydraulic stem driving pulp-collecting box move one end distance down, move to pulp-collecting box below the first screen frame, water flow again from
It is sprayed in hole for water spraying, the body refuse on sandstone is washed away, mud mixture is both collected in pulp-collecting box；At one section of hole for water spraying water spray
Between after stop water spray, after the first screen frame no longer drips, hydraulic stem driving pulp-collecting box move down, so that pulp-collecting box is moved to processing
Below case, rotating wheel removes pulp-collecting box from hydraulic stem, so that the bentonite read in pulp-collecting box is recycled；Work as bentonite
After recycling, pulp-collecting box is reloaded on hydraulic stem, hydraulic stem driving pulp-collecting box up moves, and makes pulp-collecting box and the first screen frame
It is in contact, support component loses the support effect to the first screen frame, is placed in the first screen frame in pulp-collecting box, and hydraulic stem drives splicing
Box moves down, and pulp-collecting box drives the first screen frame to be moved to below treatment box down, to take the first screen frame out for the treatment of box
Out, the sandstone in the first screen frame is cleared up.
Embodiment 2:
A kind of bentonite processing technology, including；A, sodium is handled: using obtaining sodium bentonite after soda ash sodium；B, at drying
Reason: being fallen bentonite moisture complete evaporation using roller drying machine, dry to a small amount of water state by drier；C, grinding is thin
Bentonite in powder after drying: being broken to the ore for meeting grinder feed needs, and it is promoted to storage hopper from elevator by powder,
Then the bentonite major ingredient of grinder is uniformly sent into grinding chamber powder by electro-vibrating feeder；D, classification is handled: after grinding
Material classified by the system airflow of clasfficiator, underproof powder classifies by clasfficiator and returns to grinding chamber to be ground again
Mill；E, purification processes: bentonite fine powder after grinding is put into screening machine, the sand particles in bentonite is removed, to obtain
Obtain high-purity bentonite；F, powder is collected: the powder for meeting fineness enters powder collection system, and air-flow passes through pipeline, gas powder
End separation；Finished powder is sent by feeding device to finished product bin, then has powder tank car or automatic packing machine uniformly to pack；Institute
Stating the roller drying machine length in step b is 8m, and diversion trench is arranged in cylinder inboard wall；What the flour mill in the step c was milled
Fineness is 350 mesh；Bentonite in the step a is acidified 3 hours in dilute sulfuric acid before sodium, roasts 3 under the conditions of 350 DEG C
Hour, to obtain acid bentonite；The dilute sulfuric acid is prepared by the raw material of parts by weight below: 98% concentrated sulfuric acid 5
Part, 95 parts of water；The screening machine structure is identical as the screening machine structure in embodiment 1.
Embodiment 3:
A kind of bentonite processing technology, including；A, sodium is handled: using obtaining sodium bentonite after soda ash sodium；B, at drying
Reason: being fallen bentonite moisture complete evaporation using roller drying machine, dry to a small amount of water state by drier；C, grinding is thin
Bentonite in powder after drying: being broken to the ore for meeting grinder feed needs, and it is promoted to storage hopper from elevator by powder,
Then the bentonite major ingredient of grinder is uniformly sent into grinding chamber powder by electro-vibrating feeder；D, classification is handled: after grinding
Material classified by the system airflow of clasfficiator, underproof powder classifies by clasfficiator and returns to grinding chamber to be ground again
Mill；E, purification processes: bentonite fine powder after grinding is put into screening machine, the sand particles in bentonite is removed, to obtain
Obtain high-purity bentonite；F, powder is collected: the powder for meeting fineness enters powder collection system, and air-flow passes through pipeline, gas powder
End separation；Finished powder is sent by feeding device to finished product bin, then has powder tank car or automatic packing machine uniformly to pack；Institute
Stating the roller drying machine length in step b is 7.5m, and diversion trench is arranged in cylinder inboard wall；Flour mill milling in the step c
Fineness be 200 mesh；Bentonite in the step a is acidified 2 hours in dilute sulfuric acid before sodium, is roasted under the conditions of 300 DEG C
It burns 2 hours, to obtain acid bentonite；The dilute sulfuric acid is prepared by the raw material of parts by weight below: 98% concentrated sulfuric acid
3 parts, 97 parts of water；The screening machine structure is identical as the screening machine structure in embodiment 1.
Claims (7)
1. a kind of bentonite processing technology, it is characterised in that: including；
A, sodium is handled: using obtaining sodium bentonite after soda ash sodium；
B, drying and processing: being fallen bentonite moisture complete evaporation using roller drying machine, dry to a small amount of watery by drier
State；
C, it grinds fine powder: the bentonite in powder after drying is broken to the ore for meeting grinder feed needs, and by it from elevator
It is promoted to storage hopper, then the bentonite major ingredient of grinder is uniformly sent into grinding chamber powder by electro-vibrating feeder；
D, classification is handled: the material after grinding is classified by the system airflow of clasfficiator, and underproof powder is classified by clasfficiator
And it returns to grinding chamber and is re-grind；
E, purification processes: bentonite fine powder after grinding is put into screening machine, the sand particles in bentonite is removed, to obtain
Obtain high-purity bentonite；
F, powder is collected: the powder for meeting fineness enters powder collection system, and air-flow passes through pipeline, gas powder separation；Finished product
Powder is sent by feeding device to finished product bin, then has powder tank car or automatic packing machine uniformly to pack；
Wherein, the screening machine in the step e includes treatment box (1), the screening box (13) being set in the treatment box (1) and sets
Pulp-collecting box (15) below screening box (13), the pulp-collecting box (15) is interior to be equipped with the first screen frame (16), the treatment box
(1) support component matched with first screen frame (16) is equipped in, treatment box (1) bottom is equipped with described for driving
The hydraulic stem (17) that pulp-collecting box (15) moves up and down is equipped with the first connecting plate (19) above the pulp-collecting box (15), and described the
One connecting plate (19) is equipped with mixing component, movable plate (110) is equipped with above the mixing component, in the movable plate (110)
Equipped with water storage cavity, the water storage cavity bottom is equipped with multiple hole for water sprayings (1101), treatment box (1) side wall rise be equipped with it is described
The through slot that movable plate (110) matches, the movable plate (110) can move along the through slot inner wall；After the completion of bentonite grinding,
Bentonite is put into screening box (13), the bentonite powder of bulky grain is trapped in screening box (13), fine sand and tiny
The bentonite of grain is fallen from screening box (13), falls to sandstone and the bentonite of part fine-powdered in pulp-collecting box (15), when
After fine powder and little particle bentonite in screening box (13) are all fallen in pulp-collecting box (15), movable plate (110) is along through slot
Inner wall moves to movable plate (110) above the first connecting plate (19) toward treatment box (1) internal motion, water inlet in water storage cavity, storage
Water flow in water cavity is sprayed by hole for water spraying (1101), falls water flow on the first connecting plate (19), by the first connecting plate
(19) bentonite and sandstone on wash away, and water flow is fallen in pulp-collecting box (15), and mixing component is to the water flow in pulp-collecting box (15)
It is stirred, bentonite, which is mixed into water, forms suspension, and after bentonite is sufficiently mixed with water flow, hydraulic stem (17) driving is connect
Magazine (15) moves down, and support component is fixed by the first screen frame (16), keeps pulp-collecting box (15) past relative to the first screen frame (16)
Lower movement, sandstone are filtered on the first screen frame (16), and bentonite and water flow are fallen from the first screen frame (16), make bentonite and
Water flow is placed in pulp-collecting box (15), the mud mixture collection in pulp-collecting box (15) is dried, in mud mixture
Bentonite recycle.
2. a kind of bentonite processing technology described in accordance with the claim 1, it is characterised in that: the roller drying in the step b
Captain's degree is 7-8m, and diversion trench is arranged in cylinder inboard wall.
3. a kind of bentonite processing technology described in accordance with the claim 1, it is characterised in that: the flour mill mill in the step c
The fineness of powder is 120~350 mesh.
4. a kind of bentonite processing technology described in accordance with the claim 1, it is characterised in that: the bentonite in the step a exists
It is acidified 1-3 hours, is roasted 1-3 hours under the conditions of 250-350 DEG C, to obtain acid bentonite in dilute sulfuric acid before sodium.
5. a kind of bentonite processing technology according to claim 4, it is characterised in that: the dilute sulfuric acid is by below heavy
The raw material of amount number is prepared: 98% 1-5 parts of the concentrated sulfuric acid, and 95-99 parts of water.
6. a kind of bentonite processing technology described in accordance with the claim 1, it is characterised in that: treatment box (1) two sides inner wall
On be respectively equipped with groove, be equipped with hydraulic cylinder (18) in the groove, be equipped with link block (120) in the groove, in the groove
Wall is equipped with sliding slot (130), and link block (120) side wall is equipped with the sliding block (1201) matched with the sliding slot (130),
The link block (120) is equipped with first connecting rod, and the first connecting rod inclination is set on the link block (120), described
It sieves box (13) bottom and is equipped with the second connecting plate, the first connecting rod is rotationally connected on second connecting plate, described
The piston rod of hydraulic cylinder (18) is fixed on the link block (120) bottom；Bentonite is put into screening box after bentonite is broken
(13) in, hydraulic cylinder (18) the driving piston rod in left groove stretches out, and the hydraulic cylinder (18) in right groove drives piston rod
It shrinks, makes to sieve box (13) formation inclined-plane, the bentonite in screening box (13) is under the effect of gravity along screening box (13) surface
Sliding；Hydraulic cylinder (18) driving piston rod in subsequent left groove is shunk, and the hydraulic cylinder (18) in right groove drives piston
Bar stretches out, and makes to sieve box (13) toward left side, the bentonite sieved on box (13) moves to a left side from right side under the effect of gravity
Side；As the hydraulic cylinder (18) of two sides works alternatively, makes to sieve box (13) alternating towards two sides inclination, make to sieve on box (13)
Bentonite is dropped out out of screening box (13), does screening process to bentonite.
7. a kind of bentonite processing technology described in accordance with the claim 1, it is characterised in that: set on treatment box (1) side wall
Have water tank (11), be equipped with third connecting plate (12) below the water tank (11), be equipped in the third connecting plate (12) with
The movable chamber that through slot matches, the movable chamber bottom are equipped with support spring (121), and it is logical that first is equipped at the top of the movable chamber
Hole, the first through hole are communicated by a water-supply-pipe (111) with the water tank (11), and water is equipped in the water tank (11)
Pump, described movable plate (110) one end are equipped with the second through-hole communicated with the water storage cavity, are equipped with valve group in second through-hole
Part；The through slot inner wall is equipped with limiting slot, and movable plate (110) side wall is equipped with the limit matched with the limiting slot
Plate；After sandstone and little particle bentonite in screening box (13) are fallen in pulp-collecting box (15), water pump will be in water tank (11)
Water flow is imported into water-supply-pipe (111), and water flow is entered in movable chamber by water-supply-pipe (111), the water jet propulsion in movable chamber
Movable plate (110) is moved along movable cavity wall, moves to limit plate at limit groove location, movable plate (110) can not continue past
Preceding movement, valve member unlatching enter the water flow in movable chamber in the second through-hole, and water flow enters storage by the second through-hole
In water cavity, the water flow in water storage cavity is sprayed out of hole for water spraying (1101), and water flow is filled into pulp-collecting box (15), keeps bentonite molten
Yu Shuizhong is recycled the bentonite in silt mixture.
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| CN201910499783.5A CN110182820B (en) | 2019-06-11 | 2019-06-11 | Bentonite processing technology |
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|---|---|---|---|
| CN201910499783.5A CN110182820B (en) | 2019-06-11 | 2019-06-11 | Bentonite processing technology |
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| CN110152992A (en) * | 2019-07-01 | 2019-08-23 | 安吉县宇宏粘土化工有限公司 | A kind of screening machine |
| CN110981501A (en) * | 2019-12-27 | 2020-04-10 | 中能普发科技江苏有限公司 | Preparation device and process of high-purity nano ceramic material |
| CN111675476A (en) * | 2020-07-20 | 2020-09-18 | 无锡三和重工机械有限公司 | Intelligent efficient energy-saving sludge treatment device |
| CN113461024A (en) * | 2021-06-17 | 2021-10-01 | 芜湖飞尚非金属材料有限公司 | Processing method of hard bentonite |
| CN117864547A (en) * | 2024-03-11 | 2024-04-12 | 内蒙古星汉新材料有限公司 | Finished product potassium fluoride ejection of compact collection device |
| CN118060166A (en) * | 2024-04-22 | 2024-05-24 | 齐齐哈尔九洲环境能源有限公司 | Impurity removing device for biomass fuel production |
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