CN116903271A - High-specific-surface calcium hydroxide production line - Google Patents
High-specific-surface calcium hydroxide production line Download PDFInfo
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- CN116903271A CN116903271A CN202310861470.6A CN202310861470A CN116903271A CN 116903271 A CN116903271 A CN 116903271A CN 202310861470 A CN202310861470 A CN 202310861470A CN 116903271 A CN116903271 A CN 116903271A
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- buffer
- stirring
- calcium hydroxide
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 title claims abstract description 64
- 239000000920 calcium hydroxide Substances 0.000 title claims abstract description 62
- 229910001861 calcium hydroxide Inorganic materials 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 52
- 238000003756 stirring Methods 0.000 claims abstract description 104
- 238000002156 mixing Methods 0.000 claims abstract description 67
- 230000029087 digestion Effects 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000002893 slag Substances 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000007363 ring formation reaction Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 14
- 238000012216 screening Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 39
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 28
- 239000000292 calcium oxide Substances 0.000 abstract description 27
- 230000003139 buffering effect Effects 0.000 abstract description 14
- 239000002994 raw material Substances 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 3
- 238000007670 refining Methods 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 48
- 235000012255 calcium oxide Nutrition 0.000 description 25
- 239000002002 slurry Substances 0.000 description 24
- 239000000428 dust Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 238000001694 spray drying Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GRWPEXLRROVDML-UHFFFAOYSA-N [Ca].ClOCl Chemical compound [Ca].ClOCl GRWPEXLRROVDML-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- 241000190070 Sarracenia purpurea Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000021552 granulated sugar Nutrition 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
- C04B2/08—Devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
- B01D36/045—Combination of filters with centrifugal separation devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
- B02C1/043—Jaw crushers or pulverisers with single-acting jaws with cooperating single acting jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/10—Shape or construction of jaws
Abstract
The invention discloses a high-specific-surface calcium hydroxide production line, which relates to the technical field of calcium hydroxide production and comprises a working bin group and a digestion unit, wherein a jaw crusher group is arranged on the left side, close to the center, of the working bin group, a quantitative material conveying unit is communicated with the bottom of a buffer mixing unit, and the digestion unit is communicated and installed below the buffer mixing unit. This high specific surface calcium hydroxide production line utilizes its structure to carry out the crushing with calcium oxide and becomes the fritter fast even effectual through jaw breaker, and the buffering mixer unit of the operation in the cooperation follow-up flow still further carries out the refining processing with the fritter calcium oxide and carries out the homogeneous mixing and carry in the digestion unit with the thick fine material in the raw materials again, and through the use of digestion unit through torque motor, not only reduced the volume of device but also can provide sufficient moment of torsion to provide and carry out digestion reaction after the raw materials rapid mixing in the spiral stirring roller will negative pressure mixing stirring storehouse.
Description
Technical Field
The invention relates to the technical field of calcium hydroxide production, in particular to a high-specific surface calcium hydroxide production line.
Background
Calcium hydroxide (calcium hydroxide) is an inorganic compound having the chemical formula Ca (OH) 2, mr74.10. Commonly known as slaked lime (slaked lime) or slaked lime (hydrated lime). Is a white hexagonal powdery crystal. The density was 2.243g/cm 3. And dehydrated to CaO at 580 degrees. After calcium hydroxide is added into water, the upper layer and the lower layer are separated, the upper layer of aqueous solution is called clarified lime water, and the lower layer of suspension is called lime milk or lime slurry. The supernatant clarified lime water can be used for detecting carbon dioxide, and the lower turbid liquid lime milk is a building material. Calcium hydroxide is a strong base, has the functions of sterilization and corrosion resistance, and has the function of corroding skin and fabrics. Calcium hydroxide is used for producing bleaching powder, hard water softener, disinfectant insecticide, dehairing agent for leather making, refined granulated sugar, building material, etc. However, the existing high-specific-surface calcium hydroxide production line still has the following defects:
first, the environmental pollution of the existing traditional calcium hydroxide production process is serious: because of the manual production, a large amount of high-temperature steam and dust generated in the digestion process are diffused everywhere, and the radius range of dust pollution is at least more than 1000 meters. The trees and crops in the pollution range are seriously damaged, and the disputes of masses and enterprises around the enterprises are often caused;
secondly, the existing calcium hydroxide processing industry with smaller scale has extremely poor production environment, extremely high labor intensity of workers and serious influence on physical and mental health of the production workers. The production efficiency is extremely low, and each person does not exceed 1 ton of finished calcium hydroxide in the daytime. The number of enterprises is large, but the scale is small, the annual output is 5000 tons, and the annual output is hundreds of tons. The production energy can not meet the actual situation that a large amount of calcium hydroxide is required in various industries such as desulfurization, fine chemical engineering, medical food, petroleum, papermaking and the like of a power plant;
thirdly, the quality of the finished product processed by the prior art is poor and unstable: because of manual production, the production process is judged by experience, and the quality of the final product is good and bad, so that the requirements of petrochemical industry and fine chemical industry cannot be met.
Therefore, the invention provides a high-specific-surface calcium hydroxide production line which is researched and improved aiming at the existing structure and the defects.
Disclosure of Invention
The invention aims to provide a high-specific-surface calcium hydroxide production line so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high specific surface calcium hydroxide production line, includes operation storehouse group and digestion unit, the left side that operation storehouse group is close to the center is provided with jaw breaker group, and the below intercommunication of jaw breaker group is provided with first screw conveyer, and the vertical setting in right side of first screw conveyer installs the promotion screw conveyer, the right side top of promotion screw conveyer transversely erects and installs the conveyer, and installs the buffering mixer group in the bottom of conveyer, the bottom intercommunication of buffering mixer group has quantitative material conveying unit, digestion unit intercommunication is installed in the below of buffering mixer group, and digestion unit's bottom intercommunication is provided with the material conveying unit that removes slag, the filtration drying unit is installed in digestion unit includes negative pressure mixing mixer storehouse, torque motor, power gear, drive gear, helical mixing roller, temperature control unit, homogenizer and water heater, the outside left and right sides of negative pressure mixing mixer storehouse is installed to the torque motor's power output end and is connected with power gear, the upper and lower both sides drive gear is connected with the ration material conveying unit, and the homogenization mixer is connected with the outside of the side of taking turns to the side of the homogenization mixer, the outside is connected with the temperature control mixer.
Further, the sprinkler is connected with the homogenizer, and the sprinkler runs through and sets up in the inside left side top of negative pressure mixing stirring storehouse, the transmission gear uses the horizontal axis of power gear to be symmetry about the symmetry axis symmetry installation, the axial center position of transmission gear and spiral stirring roller welds each other, and the spiral stirring roller frame is located inside the negative pressure mixing stirring storehouse, the moment motor is left and right staggered mounting in negative pressure mixing stirring storehouse side, and the spiral stirring roller has four sets of relative crisscross horizontal erections about and inside the negative pressure mixing stirring storehouse.
Further, the jaw crusher unit comprises a negative pressure crushing bin, a dedusting feeder, a driving motor, a driving belt, a driving wheel, an eccentric shaft, a flywheel, a movable jaw assembly and a fixed jaw assembly, wherein the top of the negative pressure crushing bin is communicated with the dedusting feeder; and the inside left side below in the broken storehouse of negative pressure installs driving motor, driving motor's power take off end surface annular is connected with drive belt, and drive belt keeps away from driving motor's one end and erect and install the drive wheel, the axle center horizontal connection of drive wheel installs the eccentric shaft, and the one end fixed mounting that the eccentric shaft kept away from the drive wheel has the flywheel, the middle section connection of eccentric shaft is installed and is moved the jaw subassembly, and moves the right side of jaw subassembly and set up fixed jaw subassembly, move the jaw subassembly and decide and do not connect each other between the jaw subassembly, and move the jaw subassembly and use self bottom as the anticlockwise right side slope of centre of a circle and set up and be connected in the eccentric shaft.
Further, the buffer mixing unit comprises a mixing tank, a first driver, a first buffer stirring roller, a second driver, a second buffer stirring roller and a discharging controller, wherein the first buffer stirring roller is installed above the left side and the right side of the outside of the mixing tank in a staggered manner, the first buffer stirring roller is installed at the power output end of the first driver in a connected manner, the second driver is installed below the left side and the right side of the outside in a staggered manner, the second buffer stirring roller is installed at the power output end of the second driver in a connected manner, and the discharging controller is installed at the bottom of the mixing tank in a arranged manner.
Further, two sets of first buffering stirring rollers are arranged on the upper inner half part of the mixing tank, the first buffering stirring rollers are transversely arranged in a staggered and overlapped mode, two sets of second buffering stirring rollers are arranged on the lower inner half part of the mixing tank, the second buffering stirring rollers are transversely arranged in a staggered and overlapped mode, the first buffering stirring rollers and the second buffering stirring rollers are identical in structure, and the surface thread structures of the second buffering stirring rollers are small and are closely arranged on the first buffering stirring rollers.
Further, quantitative material conveying unit includes inlet pipe, defeated feed bin, torque motor, spiral feed roller and bearing feeder, the bottom horizontal intercommunication of inlet pipe has defeated feed bin, and the torque motor is installed on the right side of defeated feed bin, the spiral feed roller is installed in torque motor's power take off end connection, the bearing feeder is installed in the bottom left side intercommunication of defeated feed bin.
Further, the spiral feeding roller is directly connected with the torque motor, an auger spiral blade structure is arranged on the surface of the spiral feeding roller, and the overall structure of the quantitative feeding unit is similar to the shape of an approximately character.
Further, the filter dryer unit comprises a roller screening machine, a filter pulp pool group, a hydrocyclone slag removing unit, a refined pulp cyclization unit and a roller spray dryer, wherein the left side of the roller screening machine is connected with the filter pulp pool group, the top of the filter pulp pool group is communicated with the hydrocyclone slag removing unit, the left end and the right end of the top of the hydrocyclone slag removing unit are communicated with each other to form the refined pulp cyclization unit, and one side of the refined pulp cyclization unit, which is far away from the hydrocyclone slag removing unit, is communicated with the roller spray dryer.
Furthermore, the refined pulp cyclization unit is installed by taking the vertical central axis of the roller screening machine as the symmetry axis in a bilateral symmetry way, and the filtering pulp pool unit, the hydrocyclone slag removal unit and the roller spray dryer are all arranged on the same vertical central axis in sequence and are connected in an erection way.
Furthermore, the surface of spiral stirring roller, spiral feed roll and the surperficial preparation of slagging-off material conveying unit have ceramic wear-resisting coating, slagging-off material conveying unit, cylinder sieve material machine and filtration thick liquid pond group all are on same horizontal axis, and slagging-off material conveying unit, cylinder sieve material machine and filtration thick liquid pond group are from right left to connect gradually.
The invention provides a high-specific surface calcium hydroxide production line, which has the following beneficial effects: this high specific surface calcium hydroxide production line through the jaw breaker group of installing in the operation storehouse group, utilizes its structure can be quick even effectual with the calcium oxide broken into the fritter, the buffering of the operation in the cooperation follow-up flow mixes the unit again and further carries out the fine processing with the calcia of fritter and carries out the homogeneous mixing and carry in the digestion unit with the thick and thin material in the raw materials again, and through the use of the torque motor of digestion unit, not only reduced the volume of device but also can provide sufficient moment of torsion to provide and carry out digestion reaction after the raw materials rapid mixing in the spiral stirring roller will negative pressure mixing stirring storehouse.
1. Compared with a conventional hammer crusher, the invention has the advantages that the efficiency of crushing calcium oxide is further improved, raw materials can be rapidly and uniformly crushed into nearly equal sizes in a short time, compared with the hammer crusher, the jaw crusher has the advantages of relatively smaller overall structure, lighter weight, fewer components, more compact structure, better filling degree of a crushing cavity, uniform crushing of the filled material blocks, forced pushing out of the lower end of a movable jaw assembly for discharging finished products, higher productivity, and 20-30% higher productivity than that of a simple swing jaw crusher with the same specification; the material piece has great roll motion from top to bottom in movable jaw lower part, is the shape of cube and discharges easily, and then helps optimizing on the structure volume of whole production line to reduce occupation of land space, and the operation of negative pressure broken storehouse cooperation dust removal feeder after all can be with the dust that produces when broken raw materials can filter it and collect, so that follow-up environmental protection is handled.
2. The invention is provided with the buffer mixing unit, the first buffer stirring rollers are driven to axially rotate by using the first driving machines which are arranged at the upper parts of the left side and the right side of the outside of the mixing tank in a staggered manner, and the second buffer stirring rollers are driven to axially rotate by matching with the second driving machines which are arranged at the lower parts of the left side and the right side of the outside of the mixing tank in a staggered manner, so that the raw materials treated by the jaw crusher unit can be further refined, the size of the raw materials is controlled to be 20-40 mm as much as possible, and the raw materials are treated to be a proper size required by digestion reaction, thereby facilitating the effective digestion reaction of the subsequent digestion unit and improving the production quality of the whole production line.
3. The invention is provided with the digestion unit, conventionally, the motor acceleration and deceleration machine is used for driving the internal stirring structure through a mode of connecting with a belt, the friction loss of the motor is more, a large amount of electric energy is required to be consumed, the production cost is increased, meanwhile, the noise is larger, the operation environment is noisy, the torque motor outputs large torque, and the torque motor can be directly connected with the power gear due to the large torque of the torque motor, unlike the traditional motor, so that the connection mechanisms such as the speed reducer, a gear box, a belt pulley and the like are omitted, meanwhile, the direct-drive servo motor has the advantages of simple structure, small volume, light weight, small loss, high efficiency, high power factor and the like, the cost is saved, and meanwhile, the operation of the device is effectively improved, and huge noise is caused.
4. When the invention is used for producing and preparing calcium hydroxide, the existing traditional calcium hydroxide production equipment is optimized and improved, a large amount of high-temperature steam and dust can be generated in the production process of the traditional calcium hydroxide, the radius range of dust pollution is at least more than 1000 meters, and the damage to forests and crops in the pollution range is quite serious, so that all structural devices in the operation bin group are connected with each other in sequence and are packaged in the whole operation bin group, and meanwhile, a plurality of structures are arranged in the operation bin group and are communicated with an external dust removing device, thereby not only avoiding the diffusion of the high-temperature steam and the dust everywhere, but also enabling the centralized treatment of a large amount of high-temperature steam and dust generated in the operation process of each device in the whole production line, further improving the environmental protection of the whole device and also providing effective improvement for the health of staff.
5. In order to ensure that the quality of calcium hydroxide produced in the digestion preparation process is stable, the water content of a calcium hydroxide product is an important factor for determining the quality of the stable product, and is also the process which is most difficult to control in the whole production process, the method comprises the steps of adding water, digestion temperature, digestion time, steam discharge, dynamic operation, powder selection residual wind and the like, and enterprises with backward equipment process can control the water content of the product in a single way by the water adding amount for reaching the standard, so that incomplete digestion can be caused, the lime utilization rate is low, the water content is controlled to be plus or minus 10% of a reasonable value, the water content of the product is uniform from starting to stopping production, the more water is required to be added for digestion, the better high-quality product with the water content is the less water content under the complete digestion, the economic benefit of the enterprise is improved, and in order to reach the stable water content, the homogenizer installed on the right side outside of a negative pressure mixing stirring bin is connected, and the temperature control unit and the homogenizer can control the temperature required by the water adding unit according to the water content of lime to reach the optimal water content in a reasonable production range.
Drawings
FIG. 1 is a schematic diagram of a high specific surface calcium hydroxide production line according to the present invention;
FIG. 2 is a schematic diagram of a side cross-sectional structure of a jaw crusher set of a high specific surface calcium hydroxide production line according to the present invention;
FIG. 3 is a schematic diagram of a front view structure of a buffer mixing unit of the high-specific-surface calcium hydroxide production line;
FIG. 4 is a schematic diagram of a side cross-sectional structure of a slaking unit of a high specific surface calcium hydroxide production line according to the invention;
FIG. 5 is a schematic diagram of a filter dryer unit of the high specific surface calcium hydroxide production line of the invention;
FIG. 6 is an enlarged schematic diagram of part of the structure of a slaking unit of the high-specific-surface calcium hydroxide production line of the invention;
FIG. 7 is a schematic diagram of the process flow of a high specific surface calcium hydroxide production line according to the present invention.
In the figure: 1. a working bin group; 2. jaw crusher sets; 201. a negative pressure crushing bin; 202. a dust removal feeder; 203. a driving motor; 204. a drive belt; 205. a driving wheel; 206. an eccentric shaft; 207. a flywheel; 208. a movable jaw assembly; 209. a fixed jaw assembly; 3. a first screw conveyor; 4. lifting the auger conveyor; 5. a conveyor; 6. buffering and mixing units; 601. a mixing tank; 602. a first drive machine; 603. a first buffer agitator roller; 604. a second drive machine; 605. a second buffer agitator roller; 606. a discharge controller; 7. quantitative material conveying unit; 701. a feed pipe; 702. a conveying bin; 703. a torque motor; 704. a spiral feed roller; 705. a bearing feeder; 8. a digestion unit; 801. a negative pressure mixing and stirring bin; 802. a torque motor; 803. a power gear; 804. a transmission gear; 805. a spiral stirring roller; 806. a temperature control unit; 807. a homogenizer; 808. a sprinkler; 9. deslagging and conveying unit; 10. a filtering and drying unit; 1001. a roller screening machine; 1002. a filter pulp pool group; 1003. a liquid cyclone deslagging unit; 1004. a seminal plasma cyclization unit; 1005. a drum spray dryer.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Referring to fig. 1-7, a high-specific-surface calcium hydroxide production line comprises a working bin group 1 and a digestion unit 8, wherein a jaw crusher group 2 is arranged on the left side, close to the center, of the working bin group 1, a first screw conveyor 3 is arranged below the jaw crusher group 2 in a communicating manner, a lifting screw conveyor 4 is vertically arranged on the right side of the first screw conveyor 3, a conveyor 5 is transversely erected above the right side of the lifting screw conveyor 4, a buffer mixer group 6 is arranged at the bottom of the conveyor 5, a quantitative material conveying unit 7 is arranged at the bottom of the buffer mixer group 6 in a communicating manner, a digestion unit 8 is arranged below the buffer mixer group 6 in a communicating manner, a deslagging material conveying unit 9 is arranged at the bottom of the digestion unit 8 in a communicating manner, a filter dryer unit 10 is arranged at the left side of the deslagging material conveying unit 9, the jaw crusher group 2 comprises a negative pressure crusher bin 201, a dedusting feeder 202, a driving motor 203, a driving belt 204, a driving wheel 205, an eccentric shaft 206, a flywheel 207, a movable jaw assembly 208 and a fixed jaw assembly 209, and a dedusting feeder 202 are arranged at the top of the negative pressure bin 201 in a communicating manner; the driving motor 203 is arranged below the left side of the inside of the negative pressure crushing bin 201, the surface of the power output end of the driving motor 203 is annularly connected with the driving belt 204, a driving wheel 205 is erected at one end of the driving belt 204 far away from the driving motor 203, an eccentric shaft 206 is horizontally connected and arranged at the axle center of the driving wheel 205, a flywheel 207 is fixedly arranged at one end of the eccentric shaft 206 far away from the driving wheel 205, a movable jaw assembly 208 is connected and arranged at the middle section of the eccentric shaft 206, a fixed jaw assembly 209 is fixedly arranged at the right side of the movable jaw assembly 208, the movable jaw assembly 208 and the fixed jaw assembly 209 are not connected with each other, and the movable jaw assembly 208 is connected with the eccentric shaft 206 in a way of inclining 20 degrees anticlockwise right side by taking the bottom of the movable jaw assembly as a circle center;
the operation is that the driving motor 203 is started to drive the driving wheel 205 connected with the driving belt 204 to rotate at a high speed, and the rotation of the driving wheel 205 enables the eccentric shaft 206 connected with the driving wheel 205 to rotate synchronously, as the upper end of the movable jaw assembly 208 is directly hung on the eccentric shaft 206, wherein the connecting rod serving as a crank-connecting rod mechanism is directly driven by the eccentric of the eccentric shaft 206, the lower end of the eccentric shaft 206 is hinged with a thrust plate to the rear wall of the frame, when the eccentric shaft 206 rotates, the movable jaw assembly 208 is driven to periodically reciprocate around the eccentric shaft 206 to the fixed jaw assembly 209, and when the movable jaw assembly 208 approaches the fixed jaw assembly 209, the ores between the movable jaw assembly 208 are crushed under the combined force of crushing, splitting and bending breaking; when the movable jaw assembly 208 leaves the fixed jaw assembly 209, crushed ore is discharged under gravity through the bottom discharge port of the jaw crusher unit 2.
Referring to fig. 1 and 3, the buffer mixing unit 6 includes a mixing tank 601, a first driver 602, first buffer stirring rollers 603, a second driver 604, second buffer stirring rollers 605, and a discharge controller 606, wherein the first buffer stirring rollers 603 are installed above the left and right sides of the outside of the mixing tank 601 in a staggered manner, the first buffer stirring rollers 603 are installed at the power output end of the first driver 602 in a connected manner, the second driver 604 is installed below the left and right sides of the outside in a staggered manner, the second buffer stirring rollers 605 are installed at the power output end of the second driver 604 in a connected manner, the discharge controller 606 is installed at the bottom of the mixing tank 601, two groups of first buffer stirring rollers 603 are installed at the upper half of the inside of the mixing tank 601 in a staggered manner, the first buffer stirring rollers 603 are installed in a staggered manner laterally and oppositely, two groups of second buffer stirring rollers 605 are installed at the lower half of the inside of the mixing tank 601 in a staggered manner, the second buffer stirring roller 605 is transversely and oppositely staggered and overlapped left and right, the first buffer stirring roller 603 and the second buffer stirring roller 605 have the same structure, the surface thread structure of the second buffer stirring roller 605 is small and closely arranged on the first buffer stirring roller 603, the quantitative material conveying unit 7 comprises a material feeding pipe 701, a material conveying bin 702, a torque motor 703, a spiral material feeding roller 704 and a bearing feeder 705, the bottom of the material feeding pipe 701 is horizontally communicated with the material conveying bin 702, the torque motor 703 is arranged on the right side of the material conveying bin 702, the power output end of the torque motor 703 is connected with the spiral material feeding roller 704, the bearing feeder 705 is arranged on the left side of the bottom of the material conveying bin 702 in a communicating manner, the spiral material feeding roller 704 is directly connected with the torque motor 703, the surface of the spiral material feeding roller 704 is provided with a screw blade structure, and the overall structure of the quantitative material conveying unit 7 is similar to the shape of a 'Chinese character';
the method comprises the following steps that raw material fragments fall into a first screw conveyor 3 directly below from the bottom outlet of a negative pressure crushing bin 201, the first screw conveyor 3 rotationally pushes calcium oxide fragments to the bottom of a right-end lifting screw conveyor 4 in the horizontal direction, under the rotating operation of the lifting screw conveyor 4, materials horizontally pushed by the first screw conveyor 3 are spirally lifted from the bottommost part in the vertical direction, when the calcium oxide fragments are lifted to the height of a conveyor 5, the calcium oxide fragments fall onto the surface of the conveyor 5, the operated conveyor 5 conveys the calcium oxide fragments directly in the horizontal direction and puts the calcium oxide fragments into a mixing tank 601 directly below, wherein a first buffer stirring roller 603 is driven to rotate rapidly after the first driving machine 602 rotates, since the two groups of the first buffer stirring rollers 603 which are closely staggered from left to right in the horizontal direction squeeze and crush the fallen calcium oxide fragments again, refine and crush the fallen calcium oxide fragments, then the second buffer stirring roller 605 is driven to rotate rapidly after the second driver 604 below operates, the crushed calcium oxide of the first buffer stirring roller 603 is further refined and crushed due to finer thread structure on the surface of the second buffer stirring roller 605, then the crushed calcium oxide is uniformly and uniformly conveyed to the feeding pipe 701 with the aid of the discharging controller 606, the crushed calcium oxide falls into the conveying bin 702 communicated with the bottom from the feeding pipe 701 directly, the spiral feeding roller 704 is driven by the torque motor 703 to push the refined and crushed calcium oxide into the bearing feeder 705 at the left end of the bottom of the feeding pipe 701, and the calcium oxide is weighed and controlled and conveyed into the digestion unit 8.
Referring to fig. 1, 4 and 6, the digestion unit 8 includes a negative pressure mixing and stirring bin 801, a torque motor 802, a power gear 803, a transmission gear 804, a spiral stirring roller 805, a temperature control unit 806, a homogenizer 807 and a sprinkler 808, wherein the torque motor 802 is installed on the left and right sides of the outside of the negative pressure mixing and stirring bin 801, the power output end of the torque motor 802 is connected with the power gear 803, the transmission gear 804 is engaged and connected on the upper and lower sides of the power gear 803, the axis of the transmission gear 804 is transversely connected with the spiral stirring roller 805, the temperature control unit 806 is arranged on the upper right side of the outside of the negative pressure mixing and stirring bin 801, the homogenizer 807 is connected with the sprinkler 808 on the top of the temperature control unit 806, the sprinkler 808 is communicated with the homogenizer 807, the sprinkler 808 is arranged above the left side of the inside of the negative pressure mixing and stirring bin 801 in a penetrating manner, the transmission gear 804 is installed up and down symmetrically with the horizontal central axis of the power gear as a symmetry axis, the transmission gear 804 is welded with the axis position of the spiral stirring roller 805, the spiral stirring roller 805 is erected on the right side of the negative pressure mixing and stirring bin 801, the left side of the negative pressure mixing and right side of the negative pressure mixing and stirring bin 801 is installed in a staggered manner, and the left side of the negative pressure mixing and right side of the negative pressure mixing and stirring bin 801 is staggered;
the specific operation is as follows, the crushed calcium oxide is sent into the digestion unit 8 through the quantitative material conveying unit 7, at this time, the sprinkler 808 will supply water with the water device of external connection, the ratio of ash to water is 1:3.5, and simultaneously, moment motors 802 at the left side and the right side of the outside of the negative pressure mixing and stirring bin 801 start to operate and drive a power gear 803 to rotate, and under the rotation of the power gear 803, a transmission gear 804 which is in meshed connection with the power gear 803 at the upper side and the lower side of the power gear 803 can synchronously rotate, so that a spiral stirring roller 805 rapidly rotates in the negative pressure mixing and stirring bin 801, digestion reaction is carried out under high-strength stirring of the spiral stirring roller 805 to rapidly mix water with calcium oxide, a temperature control unit 806 can be used for heating water provided from the outside to 80 ℃ within 15 minutes when a digestion unit 8 is started, and when the temperature in the negative pressure mixing and stirring bin 801 reaches more than 90 ℃, hot water can be stopped to be digested by cold water, and the right ash and water are further obtained in the negative pressure mixing and stirring bin 801, so that Ca (OH) 2 emulsion is hydrated.
Referring to fig. 1 and 5, the filter dryer 10 includes a drum screen 1001, a filter pulp tank 1002, a hydrocyclone slag removing unit 1003, a fine pulp cyclizing unit 1004 and a drum spray dryer 1005, the filter pulp tank 1002 is installed in a left-side connection of the drum screen 1001, the hydrocyclone slag removing unit 1003 is installed in a top connection of the filter pulp tank 1002, the fine pulp cyclizing unit 1004 is installed in a left-right connection of the top of the hydrocyclone slag removing unit 1003, one side of the fine pulp cyclizing unit 1004 far away from the hydrocyclone slag removing unit 1003 is installed in a drum spray dryer 1005, the fine pulp cyclizing unit 1004 is installed in a left-right symmetrical connection with a vertical central axis of the drum screen 1001, the filter pulp tank 1002, the hydrocyclone slag removing unit 1003 and the drum spray dryer 1005 are all installed in the same vertical central axis in sequence, ceramic wear-resistant coatings are prepared on surfaces of the spiral stirring roller 805, the spiral feeding roller 704 and the slag removing and the slag delivering unit 9 in a spraying manner, the slag delivering unit 9, the drum screen 1001 and the filter pulp tank 1002 are all located on the same horizontal axis, and the slag removing unit 1001, the drum screen 1001 and the filter pulp delivering unit 1002 are connected in sequence from left side to right.
Specifically, the operation is as follows, ca (OH) 2 emulsion formed in the digestion unit 8 is subjected to primary deslagging in the deslagging material conveying unit 9, then water is conveyed into the roller sieving machine 1001 for further screening, slurry in a coarse slurry tank is pumped by a slurry pump to be conveyed into the hydrocyclone deslagging unit 1003, secondary deslagging is carried out at the same time, insoluble ash slag (120 Kg/h) separated by the hydrocyclone deslagging unit 1003 is conveyed into a slag tank outside a workshop after being separated by a vibrating screen, calcium oxychloride slurry content after being processed by the hydrocyclone is about 22%, calcium hydroxide slurry after being processed by the fine slurry cyclization unit 1004 is further subjected to cyclization after being added with water to prepare Ca (OH) 2 content to 20%, the refined calcium hydroxide slurry is processed by the hydrocyclone unit 1003 again, then the calcium hydroxide slurry is subjected to spray drying by the roller spray dryer 1005, calcium hydroxide powder after spray drying by the roller spray dryer 1005 is subjected to screening classification by an air flow into a classifier, and calcium hydroxide after classification enters a packaging workshop through a bin, and the packaging machine is packaged to obtain a calcium hydroxide finished product.
In summary, as shown in connection with fig. 1 to 7, the working principle of the high-specific-surface calcium hydroxide production line is as follows: firstly, large raw materials in a calcium oxide ground bin are transmitted to a feeding belt conveyor under the transmission of a whole feeder, then the feeding belt conveyor can transmit the calcium oxide raw materials to a jaw crusher unit 2 of a working bin group 1, a driving wheel 205 connected through a driving belt 204 is driven to rotate at a high speed under the operation of a driving motor 203, a flywheel 207 keeps the dynamic balance when the driving wheel 205 rotates, the rotation of the driving wheel 205 enables an eccentric shaft 206 connected with the driving wheel 205 to synchronously rotate, the upper end of a movable jaw assembly 208 is directly hung on the eccentric shaft 206, wherein a connecting rod serving as a crank connecting rod mechanism is directly driven by the eccentric of the eccentric shaft 206, the lower end of the eccentric shaft 206 is hinged with a thrust plate to be supported on the rear wall of a frame, when the eccentric shaft 206 rotates, the movement track of each point on the movable jaw assembly 208 is gradually changed into an ellipse by the circumferential line (the eccentric distance of a radius is equal to the circle of a suspension point), and the ellipse is gradually deviated downwards until the connection point track of the lower part and the thrust plate is an arc line, when the movable jaw assembly 208 moves around the eccentric shaft 206 to the fixed jaw assembly 209 in a periodic reciprocating motion, the movable jaw assembly 208 approaches to move away, the fixed jaw assembly 208 approaches to the fixed jaw assembly 209 and the fixed jaw assembly is broken and the ore is broken off; when the movable jaw assembly 208 leaves the fixed jaw assembly 209, crushed ore is discharged through a bottom ore discharge port of the jaw crusher set 2 under the action of gravity, and dust generated when crushing calcium oxide is continuously and effectively collected by a dust collecting structure in the negative pressure crushing bin 201 and the dust collecting feeder 202 while the dust collecting feeder 202 continuously feeds the inside of the whole jaw crusher set 2 in the process;
when the jaw crusher unit 2 rapidly crushes calcium oxide, raw material fragments fall into the first screw conveyor 3 directly below from the bottom outlet of the negative pressure crushing bin 201, the first screw conveyor 3 rotationally pushes the calcium oxide fragments to the bottom of the right lifting screw conveyor 4 in the horizontal direction, under the rotation operation of the lifting screw conveyor 4, materials horizontally pushed by the first screw conveyor 3 are spirally lifted from the bottommost part in the vertical direction, when the calcium oxide fragments are lifted to the height of the conveyor 5, the calcium oxide fragments fall onto the surface of the conveyor 5, the operated conveyor 5 directly conveys the calcium oxide fragments in the horizontal direction and puts the calcium oxide fragments into the mixing tank 601 directly below, the first buffer stirring roller 603 is driven to rapidly rotate after the first driver 602 rotates, because two groups of first buffer stirring rollers 603 which are closely staggered left and right relatively in the horizontal direction squeeze and crush the fallen calcium oxide fragments again, refine and crush the fallen calcium oxide fragments, then a second driver 604 below operates and drives a second buffer stirring roller 605 to rotate rapidly, because the threaded structure of the surface of the second buffer stirring roller 605 is finer, the crushed calcium oxide of the first buffer stirring roller 603 is further refined and crushed to reach the size of about 20 mm-40 mm, then the crushed calcium oxide is uniformly conveyed to a feed pipe 701 with the aid of a discharge controller 606, falls into a feed bin 702 communicated with the bottom from the feed pipe 701 directly, a torque motor 703 directly drives a screw feed roller 704 to push the refined and crushed calcium oxide into a bearing feeder 705 at the left end of the bottom of the feed pipe 701, the bearing feeder 705 controls the weighing of the calcium oxide and delivers it to the inside of the digester train 8;
the crushed calcium oxide is fed into the digestion unit 8 by the quantitative feeding unit 7, wherein in order to make a sufficient and effective reaction inside the digestion unit 8, the sprinkler 808 will be connected with an externally connected water supply device to make water in a gray to water ratio of 1:3.5, and simultaneously, moment motors 802 at the left side and the right side outside the negative pressure mixing and stirring bin 801 start to operate and drive a power gear 803 to rotate, and under the rotation of the power gear 803, a transmission gear 804 which is in meshed connection with the power gear 803 at the upper side and the lower side can synchronously rotate, so that a spiral stirring roller 805 rapidly rotates in the negative pressure mixing and stirring bin 801, digestion reaction is carried out under high-strength stirring of the spiral stirring roller 805 to rapidly mix water with calcium oxide, a temperature control unit 806 can be used for heating water provided from the outside to 80 ℃ within 15 minutes when a digestion unit 8 is started, when the temperature in the negative pressure mixing and stirring bin 801 reaches more than 90 ℃, hot water can be stopped to digest with cold water, and further right ash and water are generated in the negative pressure mixing and stirring bin 801, ca (OH) 2 emulsion is formed by hydration, and five groups of digestion units 8 are installed in the whole production line due to the fact that one arrangement is connected in the whole production line, and the digestion unit 8 can be used for carrying out digestion reaction for a plurality of times so as to fully react calcium oxide and calcium oxide. In the reaction process of the four-stage digestion unit 8, the cloth bag dust remover is used for carrying out centralized treatment on generated dust by stirring and mixing, the dust is conveyed into a thermal catalyst by a draught fan, then the dust from a mobile phone is put into a slurry pool by the thermal catalyst, an externally provided additive is subjected to catalytic reaction by a reaction kettle connected with the thermal catalyst to prepare a reduction catalyst, the reduction catalyst is put into the slurry pool, the internal slurry is reduced into calcium oxide, and then the calcium oxide is conveyed to the primary digestion unit 8 and the secondary digestion unit 8 for recycling, so that the internal slurry is fully and effectively reacted;
the Ca (OH) 2 emulsion formed in the digestion unit 8 at the fifth stage is subjected to primary deslagging in a deslagging and conveying unit 9, then a water cup is conveyed into a roller sieving machine 1001 for further screening, most of unqualified residues are sieved out by a slag hole and a vibrating screen of the digestion unit, the residues are conveyed to a slag pool outside a workshop by a conveyor to be treated as waste, meanwhile, water vapor generated in the digestion process is collected by a dust hood at the tail of the digestion unit and discharged to the outside of the workshop to be treated by a water film deduster, the water film deduster is used for slag washing at the tail of the digestion unit, filtered coarse slurry (about 25%) flows into a coarse slurry pool from the coarse slurry pool, slurry in the coarse slurry pool is pumped into a rotary liquid deslagging unit 1003, secondary deslagging is performed at the same time, insoluble slag (120 Kg/h) separated by the rotary liquid deslagging unit 1003 is separated by the vibrating screen and then conveyed into an outer slag pool, the calcium oxychloride slurry treated by the hydrocyclone slag remover is about 22 percent, enters a refined slurry cyclization unit 1004, adds water to prepare Ca (OH) 2 content to 20 percent, and then further starts cyclization treatment, so as to better meet the cyclization technological requirement, the refined slurry cyclization unit 1004 can be heated to 65 ℃ and kept at the temperature, the heating medium is saturated steam, the refined calcium hydroxide slurry is treated by the hydrocyclone slag remover 1003 again, at the moment, the calcium hydroxide slurry is sent into a dynamic ageing bin by a bucket elevator, after being processed in the dynamic ageing bin, the calcium hydroxide slurry is sent into a roller spray dryer 1005 for spray drying by the bucket elevator, the calcium hydroxide powder after spray drying by the roller spray dryer 1005 enters a classifier for screening classification by airflow, the classified calcium hydroxide enters a packaging workshop by a bin, packaging by a packaging machine to obtain a calcium hydroxide finished product.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a high proportion table calcium hydroxide production line, includes operation storehouse group (1) and digestion unit (8), its characterized in that, the left side that operation storehouse group (1) is close to the center is provided with jaw breaker (2), and the below intercommunication of jaw breaker (2) is provided with first screw conveyer (3), and the vertical setting in right side of first screw conveyer (3) installs promotion screw conveyer (4), install conveyer (5) in the right side top of promotion screw conveyer (4) transversely, and buffer mixer (6) are installed to the bottom of conveyer (5), the bottom intercommunication of buffer mixer (6) has ration material conveying unit (7), digestion unit (8) intercommunication is installed in the below of buffer mixer (6), and the bottom intercommunication of digestion unit (8) is provided with slag removal material conveying unit (9), filtration drier unit (10) are installed in the left side intercommunication of material conveying unit (9), digestion unit (8) include negative pressure mixing agitator (801), gear (805), water mixer (803) are equipped with in the bottom of buffer mixer (805), water mixer (803) and water mixer (803) are equipped with outside temperature control roller (803), and the power output end of the torque motor (802) is connected with a power gear (803), the upper side and the lower side of the power gear (803) are in meshed connection with a transmission gear (804), the axis of the transmission gear (804) is transversely connected with a spiral stirring roller (805), a temperature control unit (806) is arranged above the right side of the outside of the negative pressure mixing stirring bin (801), the top of the temperature control unit (806) is connected with a homogenizer (807), and the left side of the homogenizer (807) is connected with a sprinkler (808).
2. The high-specific-surface calcium hydroxide production line according to claim 1, wherein the sprinkler (808) is communicated with the homogenizer (807), the sprinkler (808) is arranged above the left side inside the negative pressure mixing and stirring bin (801) in a penetrating manner, the transmission gear (804) is symmetrically arranged up and down by taking the horizontal central axis of the power gear (803) as a symmetry axis, the transmission gear (804) and the axis position of the spiral stirring roller (805) are mutually welded, the spiral stirring roller (805) is erected inside the negative pressure mixing and stirring bin (801), the torque motor (802) is transversely arranged on the side edge of the negative pressure mixing and stirring bin (801) in a staggered manner, and the spiral stirring roller (805) is provided with four groups of left-right opposite staggered horizontal erection and the negative pressure mixing and stirring bin (801).
3. The high-specific-surface calcium hydroxide production line according to claim 1, wherein the jaw crusher unit (2) comprises a negative pressure crushing bin (201), a dedusting feeder (202), a driving motor (203), a driving belt (204), a driving wheel (205), an eccentric shaft (206), a flywheel (207), a movable jaw assembly (208) and a fixed jaw assembly (209), and the dedusting feeder (202) is installed on the top of the negative pressure crushing bin (201) in a communicating manner; and driving motor (203) is installed to inside left side below in negative pressure crushing storehouse (201), the power take off end surface annular of driving motor (203) is connected with driving belt (204), and driving belt (204) are kept away from the one end of driving motor (203) and are erect and install drive wheel (205), eccentric shaft (206) are installed in the axle center horizontal connection of drive wheel (205), and one end fixed mounting that drive wheel (205) were kept away from to eccentric shaft (206) flywheel (207), movable jaw subassembly (208) are installed in the middle section connection of eccentric shaft (206), and movable jaw subassembly (208) right side setting fixed jaw subassembly (209) are not connected each other, and movable jaw subassembly (208) are connected in eccentric shaft (206) with the anticlockwise 20 of the right side slope of centre of a circle of movable jaw subassembly.
4. The high-specific-surface calcium hydroxide production line according to claim 1, wherein the buffer mixing unit (6) comprises a mixing tank (601), a first driver (602), a first buffer stirring roller (603), a second driver (604), a second buffer stirring roller (605) and a discharging controller (606), the first buffer stirring roller (603) is installed above the left and right sides of the outside of the mixing tank (601) in a staggered manner, the first buffer stirring roller (603) is installed in a power output end connection of the first driver (602), the second driver (604) is installed below the left and right sides of the outside in a staggered manner, the second buffer stirring roller (605) is installed in a power output end connection of the second driver (604), and the discharging controller (606) is installed at the bottom of the mixing tank (601).
5. The high-specific-surface-area calcium hydroxide production line according to claim 4, wherein two groups of first buffer stirring rollers (603) are arranged on the upper inner half part of the mixing tank (601), the first buffer stirring rollers (603) are arranged in a transversely left-right opposite staggered mode, two groups of second buffer stirring rollers (605) are arranged on the lower inner half part of the mixing tank (601), the second buffer stirring rollers (605) are arranged in a transversely left-right opposite staggered mode, the first buffer stirring rollers (603) and the second buffer stirring rollers (605) are identical in structure, and the surface thread structures of the second buffer stirring rollers (605) are small and are close to the first buffer stirring rollers (603).
6. The high-specific-surface-area calcium hydroxide production line according to claim 1, wherein the quantitative feeding unit (7) comprises a feeding pipe (701), a feeding bin (702), a torque motor (703), a spiral feeding roller (704) and a bearing feeder (705), the feeding bin (702) is horizontally communicated with the bottom of the feeding pipe (701), the torque motor (703) is installed on the right side of the feeding bin (702), the spiral feeding roller (704) is installed in a connection mode of a power output end of the torque motor (703), and the bearing feeder (705) is installed on the left side of the bottom of the feeding bin (702).
7. The high-specific surface calcium hydroxide production line according to claim 6, wherein the spiral feeding roller (704) is directly connected with the torque motor (703), an auger spiral blade structure is arranged on the surface of the spiral feeding roller (704), and the overall structure of the quantitative feeding unit (7) approximates to the shape of an approximately-same character.
8. The high-specific-surface calcium hydroxide production line according to claim 1, wherein the filter dryer unit (10) comprises a roller screening machine (1001), a filter pulp pool unit (1002), a hydrocyclone slag removal unit (1003), a refined pulp cyclization unit (1004) and a roller spray dryer (1005), the left side of the roller screening machine (1001) is connected and provided with the filter pulp pool unit (1002), the top of the filter pulp pool unit (1002) is communicated with a hydrocyclone slag removal unit (1003), the left end and the right end of the top of the hydrocyclone slag removal unit (1003) are communicated with each other to form a refined pulp cyclization unit (1004), and one side, far away from the hydrocyclone slag removal unit (1003), of the refined pulp cyclization unit (1004) is communicated with the roller spray dryer (1005).
9. The high-specific-surface calcium hydroxide production line according to claim 8, wherein the fine pulp cyclization unit (1004) is installed in a bilateral symmetry manner by taking a vertical central axis of the roller screening machine (1001) as a symmetry axis, and the filtering pulp pool unit (1002), the hydrocyclone slag removal unit (1003) and the roller spray dryer (1005) are all arranged on the same vertical central axis in sequence and are connected.
10. The high-specific-surface calcium hydroxide production line according to claim 1, wherein ceramic wear-resistant coatings are prepared by spraying on the surfaces of the spiral stirring roller (805), the spiral feeding roller (704) and the deslagging and conveying unit (9), the roller screening machine (1001) and the filtering pulp tank group (1002) are all positioned on the same horizontal axis, and the deslagging and conveying unit (9), the roller screening machine (1001) and the filtering pulp tank group (1002) are sequentially connected from right to left.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310861470.6A CN116903271A (en) | 2023-07-14 | 2023-07-14 | High-specific-surface calcium hydroxide production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310861470.6A CN116903271A (en) | 2023-07-14 | 2023-07-14 | High-specific-surface calcium hydroxide production line |
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| CN116903271A true CN116903271A (en) | 2023-10-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211595447U (en) * | 2019-09-29 | 2020-09-29 | 湖南卓裕矿业有限责任公司 | Digestion device for calcium hydroxide production |
| CN214863847U (en) * | 2021-07-01 | 2021-11-26 | 浙江矿山机械有限公司 | Anti-sputtering jaw mine crusher |
| CN216631086U (en) * | 2021-12-03 | 2022-05-31 | 山东鲁顺冶金材料有限公司 | Superfine calcium oxide production equipment |
| CN217947987U (en) * | 2022-07-28 | 2022-12-02 | 国能龙源电力技术工程有限责任公司 | Quick lime milling digestion system |
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| CN211595447U (en) * | 2019-09-29 | 2020-09-29 | 湖南卓裕矿业有限责任公司 | Digestion device for calcium hydroxide production |
| CN214863847U (en) * | 2021-07-01 | 2021-11-26 | 浙江矿山机械有限公司 | Anti-sputtering jaw mine crusher |
| CN216631086U (en) * | 2021-12-03 | 2022-05-31 | 山东鲁顺冶金材料有限公司 | Superfine calcium oxide production equipment |
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