CN111704436B - Device and method for preparing ceramsite by cooperation of coal gangue, phosphogypsum and sludge - Google Patents
Device and method for preparing ceramsite by cooperation of coal gangue, phosphogypsum and sludge Download PDFInfo
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- CN111704436B CN111704436B CN202010611582.2A CN202010611582A CN111704436B CN 111704436 B CN111704436 B CN 111704436B CN 202010611582 A CN202010611582 A CN 202010611582A CN 111704436 B CN111704436 B CN 111704436B
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- 239000003245 coal Substances 0.000 title claims abstract description 42
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 23
- 239000010802 sludge Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 48
- 239000002893 slag Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000000227 grinding Methods 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 15
- 230000002195 synergetic effect Effects 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 51
- 238000001816 cooling Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 35
- 238000003756 stirring Methods 0.000 claims description 28
- 230000000903 blocking effect Effects 0.000 claims description 21
- 238000012216 screening Methods 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 239000012498 ultrapure water Substances 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
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- 230000009286 beneficial effect Effects 0.000 abstract description 4
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- 239000002699 waste material Substances 0.000 description 8
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- 241001330002 Bambuseae Species 0.000 description 7
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- 238000002309 gasification Methods 0.000 description 6
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- 238000010304 firing Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
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- 239000003513 alkali Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
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- 238000007493 shaping process Methods 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- B07B1/18—Drum screens
- B07B1/20—Stationary drums with moving interior agitators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
-
- 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
- C04B33/00—Clay-wares
- C04B33/24—Manufacture of porcelain or white ware
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of equipment for preparing ceramsite from coal gangue, in particular to a device and a method for preparing ceramsite from coal gangue, phosphogypsum and sludge in a synergistic manner. The coal gangue and the gasified slag are added into the mixing device to be mixed together with the phosphogypsum, and the grinding operation is carried out, so that the mixed raw materials can form new particles under the action of the granulator, and the new particles are sintered into the ceramsite by virtue of the rotary kiln, so that the treatment of the coal gangue and the gasified slag is organically combined together, and the ceramsite with higher value is formed by production, thereby being beneficial to reducing the cost of the treatment of the coal gangue and the gasified slag and being convenient for improving the enthusiasm of people for environmental management.
Description
Technical Field
The invention relates to the technical field of ceramsite preparation equipment from coal gangue, in particular to a device and a method for preparing ceramsite from coal gangue, phosphogypsum and sludge in a synergistic manner.
Background
In the real life, along with the gradual increase of the activity range of human beings, in order to improve the economic development, the damage of human beings to the natural environment in the production life is increasingly serious, which causes water and soil pollution and is not beneficial to the sustainable development of environmental resources, and the negative state brought by the environmental pollution has serious influence on the daily life of people, for example, after mining in mines, the mined mountain is always polluted and covered by slag waste, waste materials such as coal gangue and the like abandoned on the surface of the mining industry are accumulated on the surface of the mountain, and the natural recovery of the ecological environment of the mountain is greatly hindered;
the mining waste has low recycling value, so that the enthusiasm of people for the mine mountain environment recovery treatment is not high, and if the coal gangue on the surface of the mine can be reasonably processed and utilized to form a product with gain performance, the positive activity of people for the mountain treatment can be greatly improved, and the cost for the mountain treatment recovery is reduced;
in the field of coal gas extraction in the mining industry, the utilization efficiency of the coke slag formed by burning and firing the refined coal gas is low, the coke slag can only be used as a building landfill, but the coke slag can be directly discarded as waste due to the influence of transportation cost and harmless treatment cost, and if the gasified coal slag and the waste coal gangue mined in the mine can be reasonably utilized to produce a product with a gain effect, the utilization efficiency of waste resources can be effectively enhanced, and the cost of environmental management is reduced;
the ceramsite is a building material which can be processed and fired by a rotary kiln, and has the properties of low density, high cylinder pressure strength, high porosity, high softening coefficient, good frost resistance, excellent alkali-resistant aggregate reactivity and the like, so that the ceramsite can be applied to the fields of various industries and civil buildings and has high production value.
Disclosure of Invention
The invention aims to provide a device and a method for preparing ceramsite by cooperation of coal gangue, phosphogypsum and sludge, and aims to solve the problems that the existing waste coal gangue for mining and gasified slag for mining have high treatment cost, cannot be cooperatively treated when the coal gangue and the gasified slag are innoxious, and are not beneficial to improving the recovery positivity of people on the mine environment in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a device for preparing ceramsite by cooperation of coal gangue, phosphogypsum and sludge comprises a stirring mechanism, wherein the stirring mechanism comprises two groups of supporting seats, the two groups of supporting seats are arranged in total, the two groups of supporting seats are bilaterally symmetrically fixed on the ground, the top of each group of supporting seats is rotatably connected with a first rotating shaft, a mixing barrel is fixedly connected between the two groups of first rotating shafts, one end, away from the mixing barrel, of one group of first rotating shafts is fixedly connected with a first servo motor, one side of the top of the mixing barrel is fixedly communicated with a feeding hole, the other side of the top of the mixing barrel is fixedly communicated with a material return hole, a second rotating shaft is vertically inserted in the middle position in the mixing barrel, a stirring blade is fixedly installed on the outer side of the second rotating shaft, one end above the second rotating shaft is fixedly connected with a second servo motor, and a discharging pipe is fixedly arranged, the other end of the discharge pipe is communicated with a first material conveying pump through a hose, the output end of the first material conveying pump is communicated with a grinding machine through a pipeline, the bottom of the grinding machine is fixedly connected with a granulator, the discharge port of the granulator is fixedly communicated with a second material conveying pump, the output end of the second material conveying pump is connected with a rotary kiln through a pipeline, the discharge port of the rotary kiln is communicated with a cooling mechanism through a pipeline, heat pipes are uniformly embedded in the outer wall of the cooling mechanism, the outer side of the rotary kiln is wound and wrapped with a condenser pipe, the discharge port of the cooling mechanism is connected with a third material conveying pump through a pipeline, the output end of the third material conveying pump is communicated with a dust removal mechanism through a pipeline, the dust removal mechanism comprises a dust removal cylinder, a feeding cylinder is fixedly arranged at the middle position of the top of the dust removal cylinder, and a blocking cover is arranged at the middle position in the, and the bottom of the blocking cover is fixedly welded with an air supply cover, the outer wall of the blocking cover is uniformly embedded with a ventilation guide cylinder, one end of the air supply cover, which is far away from the blocking cover, is welded and communicated with a fan, the outer wall of the dust removing cylinder is fixedly embedded with a connecting pipe, the other end of the connecting pipe is welded and communicated with a connecting ring cylinder, the bottom of the dust removing cylinder is welded and communicated with a discharge hopper, and the other end of the discharge hopper is fixedly communicated with a screening mechanism which comprises a cylinder, a third rotating shaft is transversely inserted in the middle position in the cylinder, and one end of the third rotating shaft is fixedly connected with a third servo motor, the outer side of one end of the third rotating shaft positioned in the cylinder is fixedly provided with a spiral blade, through holes are uniformly formed in the outer wall of the cylinder, a recovery box is wrapped at the lower position of the outer side of the cylinder, and one side of the recovery box is welded and communicated with the input end of the fourth material conveying pump.
Preferably, the mixing barrel is rotatably connected with the supporting seat through a first rotating shaft, the first rotating shaft is fixedly connected to a rotating output shaft of the first servo motor, the stirring blades are rotatably connected with the mixing barrel through a second rotating shaft, and the second rotating shaft is fixedly connected to a rotating output shaft of the second servo motor.
Preferably, the heat pipe and the condenser pipe are communicated with each other through a pipeline, high-purity water is filled in the heat pipe, and the heat pipe and the condenser pipe are spirally wound and fixed on the outer sides of the cooling mechanism and the rotary kiln respectively.
Preferably, the shape of the blocking cover is in a step shape, the middle position of the top of the blocking cover is opposite to the lower part of the feeding cylinder, and the feeding cylinder is connected with the output end of the third material conveying pump through a pipeline.
Preferably, the air supply cover is funnel-shaped and is fixed at the bottom of the blocking cover, the ventilation guide cylinder is obliquely arranged on the outer wall of the blocking cover, and each group is fixedly embedded with a filter screen in the ventilation guide cylinder.
Preferably, the connecting ring cylinder is circular, the circle centers of the connecting ring cylinder and the dust removing cylinder are located on the same vertical straight line, the outer side of the connecting ring cylinder is communicated with the connecting box through a pipeline, and the other end of the connecting box is fixedly communicated with the material returning port through a pipeline.
Preferably, the cylinder is obliquely arranged and communicated at the bottom of the discharge hopper, the spiral blade is rotatably connected with the cylinder through a third rotating shaft, the spiral blade is in a spiral shape, and the outer edge of the spiral blade is attached to the inner wall of the cylinder.
Preferably, the outer wall of the right side of the cylinder is provided with a penetrating opening, the recycling box is wrapped outside the through hole, and the output end of the fourth material conveying pump is communicated with the connecting box through a pipeline.
A method for preparing ceramsite by cooperation of coal gangue, phosphogypsum and sludge comprises the following steps:
the method comprises the following steps: adding coal gangue, phosphogypsum and coal gasification slag raw materials into a mixing barrel through a feeding hole, driving the mixing barrel to swing back and forth after a first servo motor is electrified and started, driving a stirring blade to rotate through a second rotating shaft after a second servo motor is electrified and started, and stirring and mixing the filled raw materials in the mixing barrel to uniformly mix the added coal gangue, phosphogypsum and coal gasification slag raw materials;
step two: pumping the uniformly mixed raw materials into the interior of a grinding machine through a first material conveying pump, and grinding the raw materials into powder in the interior of the grinding machine;
step three: the raw materials ground into powder fall into the granulator downwards, and are processed into granular semi-finished products through the working start of the granulator;
step four: pumping the granular semi-finished product processed in the granulator into the rotary kiln under the working start of a second material conveying pump, and firing the rotary kiln to form ceramsite;
step five: conveying the sintered and molded ceramic particles in the rotary kiln to the inside of a cooling mechanism, cooling the inside of the cooling mechanism, and recovering and conveying waste heat in the cooling mechanism to the inside of a condensing pipe by using a heat pipe wrapped on the outer wall of the cooling mechanism for waste heat utilization;
step six: the ceramic particles sintered and formed in the rotary kiln are conveyed into the dedusting mechanism through the pumping of the third material conveying pump, the dust mixed in the ceramic particles is blown off in the dedusting mechanism, and the separated dust is conveyed into the stirring mechanism again for reutilization;
step seven: the inside haydite after removing dust of dust mechanism drops downwards and gets into the inside of screening mechanism, through the screening of screening mechanism for the inside bad granule screening of haydite, the certified products are derived, and the nonconforming product is then carried inside the rabbling mechanism again through the connecting box, carries out recycle.
Compared with the prior art, the invention has the beneficial effects that:
1. the coal gangue and the gasified slag are added into a mixing device to be mixed together with the ardealite, and are milled, so that the mixed raw materials can form new particles under the action of a granulator, and are sintered into ceramsite by virtue of a rotary kiln, the coal gangue and the gasified slag are organically treated together, and the ceramsite with higher value is formed by production, so that the cost of treating the coal gangue and the gasified slag is reduced, and the enthusiasm of people for environmental management is improved;
2. the mixing barrel is driven to swing back and forth by the power-on starting of the first servo motor, and the stirring blades are driven to rotate and stir in the mixing barrel by the power-on starting of the second servo motor, so that the mixing and stirring uniformity of the stirring mechanism for coal gangue, gasified slag and phosphogypsum is effectively enhanced;
3. the heat pipe is communicated with the condensing pipe, and the high-purity water is added in the heat pipe, so that when the produced and molded ceramsite enters the cooling mechanism to be cooled, the high-purity water in the heat pipe can be vaporized to enter the condensing pipe to release heat, the temperature in the rotary kiln is guaranteed, the heat resource is favorably recycled, and the energy loss is reduced;
4. remove dust through setting up dust removal mechanism to the haydite of production shaping, be favorable to preventing that the haydite from flying upward when screening and filtering, simultaneously, retrieve the inside unqualified haydite that drops of collection box through the fourth conveying pump, the inside dust of collecting of cooperation connecting ring section of thick bamboo is carried inside rabbling mechanism again through the connecting box, is favorable to carrying out recycle, the effectual waste of avoiding the resource to unqualified product.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a schematic sectional view of the stirring mechanism of the present invention;
FIG. 4 is a schematic sectional view of the dust removing mechanism of the present invention in front view;
FIG. 5 is a schematic top view of the dust removing mechanism of the present invention;
FIG. 6 is a perspective view of the shield of the present invention;
FIG. 7 is a schematic sectional elevation view of the screening mechanism of the present invention;
fig. 8 is a schematic flow chart of the present invention.
In the figure: 1. a stirring mechanism; 101. a supporting seat; 102. a first rotating shaft; 103. a mixing barrel; 104. a first servo motor; 105. a feed inlet; 106. a feed back port; 107. a second rotating shaft; 108. stirring blades; 109. a second servo motor; 110. a discharge pipe; 2. a first delivery pump; 3. a mill; 4. a granulator; 5. a second delivery pump; 6. a rotary kiln; 7. a cooling mechanism; 801. a heat pipe; 802. a condenser tube; 9. a third material delivery pump; 10. a dust removal mechanism; 1001. a dust removal cylinder; 1002. a feeding cylinder; 1003. a shield; 1004. an air supply cover; 1005. a ventilation guide cylinder; 1006. a fan; 1007. a connecting pipe; 1008. connecting the ring cylinders; 1009. a discharge hopper; 11. a screening mechanism; 1101. a cylinder; 1102. a third rotating shaft; 1103. a third servo motor; 1104. helical leaves; 1105. a through hole; 1106. a recycling bin; 1107. a fourth feed delivery pump; 12. a connection box.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention: a device for preparing ceramsite by cooperation of coal gangue, phosphogypsum and sludge comprises a stirring mechanism 1, wherein the stirring mechanism 1 comprises two groups of supporting seats 101, the two groups of supporting seats 101 are arranged in two groups, the two groups of supporting seats 101 are bilaterally symmetrically fixed on the ground, the top of each group of supporting seats 101 is rotatably connected with a first rotating shaft 102, a mixing barrel 103 is fixedly connected between the two groups of first rotating shafts 102, one end, far away from the mixing barrel 103, of one group of first rotating shafts 102 is fixedly connected with a first servo motor 104, one side of the top of the mixing barrel 103 is fixedly communicated with a feeding hole 105, the other side of the top of the mixing barrel 103 is fixedly communicated with a material return hole 106, a second rotating shaft 107 is vertically inserted in the middle position inside the mixing barrel 103, a stirring blade 108 is fixedly arranged on the outer side of the second rotating shaft 107, one end, above the second rotating shaft 107, is fixedly connected with a second, the other end of the discharge pipe 110 is communicated with a first material delivery pump 2 through a hose, a mixing barrel 103 is rotatably connected with a supporting seat 101 through a first rotating shaft 102, the first rotating shaft 102 is fixedly connected to a rotating output shaft of a first servo motor 104, a stirring blade 108 is rotatably connected with the mixing barrel 103 through a second rotating shaft 107, the second rotating shaft 107 is fixedly connected to a rotating output shaft of a second servo motor 109, when the mixing machine works, a worker adds coal gangue, coal gasification slag and phosphogypsum into the mixing barrel 103 through a feeding hole 105, at the moment, the first servo motor 104 and the second servo motor 109 are electrified and started, when the first servo motor 104 rotates, the first rotating shaft 102 fixed on the rotating output shaft is driven to rotate in a reciprocating manner, so that the mixing barrel 103 fixed at the middle position of the first rotating shaft 102 swings back and forth in a reciprocating manner, and simultaneously, the second servo motor 109 is electrified and started to drive the second rotating shaft 107 fixed on the, the second rotating shaft 107 drives the stirring blade 108 to rotate inside the mixing barrel 103, the coal gangue, the coal gasification slag and the phosphogypsum added inside the mixing barrel 103 are stirred and mixed, and the mixing barrel 103 swings back and forth in a reciprocating mode, so that the mixing is more uniform and effective, and the uniformity of raw material mixing is greatly improved.
The output end of the first material conveying pump 2 is communicated with a grinding mill 3 through a pipeline, the bottom of the grinding mill 3 is fixedly connected with a granulator 4, the discharge port of the granulator 4 is fixedly communicated with a second material conveying pump 5, the output end of the second material conveying pump 5 is connected with a rotary kiln 6 through a pipeline, the discharge port of the rotary kiln 6 is communicated with a cooling mechanism 7 through a pipeline, heat pipes 801 are uniformly embedded in the outer wall of the cooling mechanism 7, a condensing pipe 802 is wound and wrapped on the outer side of the rotary kiln 6, the heat pipes 801 are mutually communicated with the condensing pipe 802 through pipelines, high-purity water is filled in the heat pipes 801, the heat pipes 801 and the condensing pipe 802 are spirally wound and fixed on the outer sides of the cooling mechanism 7 and the rotary kiln 6 respectively, when the coal gangue, the gasified slag and the phosphogypsum which are fully mixed in the mixing barrel 103 are led out from the discharge pipe 110 to enter the grinding mill 3 under the pumping action of the first material conveying pump 2 when the raw materials are fully mixed in, finishing grinding operation in a grinding mill 3, feeding the raw materials after finishing grinding operation into a granulator 4 as powder, forming a granular semi-finished product through the granulator 4, pumping the granular semi-finished product in the granulator 4 by electrifying a second delivery pump 5, conveying the granular semi-finished product in the granulator 4 into a rotary kiln 6, firing and forming the granular semi-finished product in the rotary kiln 6 to generate ceramsite, feeding the ceramsite into a cooling mechanism 7 after production is finished, cooling the ceramsite, setting the interiors of a heat pipe 801 and a condensation pipe 802 to be in a negative pressure state, absorbing residual heat in the cooling mechanism 7 by high-purity water in the heat pipe 801 when the fired and formed high-temperature ceramsite is cooled in the cooling mechanism 7, rapidly vaporizing the vaporized high-purity water upwards into the condensation pipe 802 by absorbing heat, releasing heat in the condensation pipe 802, and melting the gas-state high-purity water into small water beads to slide into the heat pipe 801 again after releasing heat, the heat pipe 801 recovers and utilizes the waste heat in the cooling mechanism 7, releases heat in the condensing pipe 802, assists the inside of the rotary kiln 6 to keep the firing temperature of the ceramsite, effectively avoids the direct dissipation of the waste heat, and is convenient for recovering and utilizing heat resources.
The discharge port of the cooling mechanism 7 is connected with a third material delivery pump 9 through a pipeline, the output end of the third material delivery pump 9 is communicated with a dust removal mechanism 10 through a pipeline, the dust removal mechanism 10 comprises a dust removal cylinder 1001, the middle position of the top of the dust removal cylinder 1001 is fixedly provided with a feeding cylinder 1002, the middle position inside the dust removal cylinder 1001 is provided with a baffle 1003 through a bracket, the baffle 1003 is in a step shape, the middle position of the top of the baffle 1003 is opposite to the lower part of the feeding cylinder 1002, the feeding cylinder 1002 is connected with the output end of the third material delivery pump 9 through a pipeline, when the cooling mechanism 7 works, cooled ceramic particles inside the cooling mechanism 7 are pumped and conveyed into the dust removal mechanism 10 through the electrification of the third material delivery pump 9, the ceramic particles enter the dust removal cylinder 1001 from the feeding cylinder 1002, fall onto the baffle 1003 under the action of gravity, fall downwards along the step-shaped baffle 1003, and collide with the table top of the baffle 1003 to jump in the falling, the ceramsite is separated from the dust mixed in the ceramsite, so that the dust in the ceramsite can be removed quickly.
The bottom of the blocking cover 1003 is fixedly welded with an air supply cover 1004, ventilation guide cylinders 1005 are uniformly embedded on the outer wall of the blocking cover 1003, one end, far away from the blocking cover 1003, of the air supply cover 1004 is communicated with a fan 1006 in a welding mode, a connecting pipe 1007 is fixedly embedded on the outer wall of the dedusting cylinder 1001, the air supply cover 1004 is fixed at the bottom of the blocking cover 1003 in a funnel shape, the ventilation guide cylinders 1005 are obliquely installed on the outer wall of the blocking cover 1003, a filter screen is fixedly embedded inside each ventilation guide cylinder 1005, when in use, when ceramsite collides and jumps on the blocking cover 1003, the fan 1006 is powered on and started, air is blown into the blocking cover 1003 through the air supply cover 1004, the air pushes the ceramsite through the ventilation guide cylinders 1005, the air is blown upwards obliquely under the guiding effect of the oblique ventilation guide cylinders 1005, dust mixed in the ceramsite is blown into the connecting pipe 1007, the filter screen is embedded inside the connecting pipe 1007, and the situation that the ceramsite can effectively avoid entering the, and blowing by wind power to effectively lead out dust mixed in the ceramsite.
The other end welding intercommunication of connecting pipe 1007 has a connecting ring section of thick bamboo 1008, the appearance of connecting ring section of thick bamboo 1008 is the ring form, and the centre of a circle position of connecting ring section of thick bamboo 1008 and dust removal section of thick bamboo 1001 is located same vertical straight line, there is connecting box 12 in the outside of connecting ring section of thick bamboo 1008 through the pipeline intercommunication, and the other end of connecting box 12 passes through the fixed intercommunication of pipeline on feed back mouth 106, in operation, the inside dust that gets into of connecting pipe 1007 inside gets into inside connecting box 12 through connecting ring section of thick bamboo 1008, and get into the inside of blending barrel 103 again in the feed back mouth 106 through the pipeline, make the dust that the device can derive carry out recycle, avoid unnecessary dust emission, and be favorable to resource cycle recycle.
The bottom of the dust removing cylinder 1001 is welded and communicated with a discharge hopper 1009, the other end of the discharge hopper 1009 is fixedly communicated with a screening mechanism 11, the screening mechanism 11 comprises a cylinder 1101, a third rotating shaft 1102 is transversely inserted in the middle position in the cylinder 1101, one end of the third rotating shaft 1102 is fixedly connected with a third servo motor 1103, a spiral blade 1104 is fixedly installed on the outer side of one end of the third rotating shaft 1102 positioned in the cylinder 1101, through holes 1105 are uniformly formed in the outer wall of the cylinder 1101, the cylinder 1101 is obliquely installed and communicated at the bottom of the discharge hopper 1009, the spiral blade 1104 is rotatably connected with the cylinder 1101 through the third rotating shaft 1102, the shape of the spiral blade 1104 is spiral, the outer edge position of the spiral blade 1104 is attached to the inner wall of the cylinder 1101, when in operation, ceramsite after dust removal in the dust removing cylinder 1001 falls down into the cylinder 1101 and is filtered through the through holes 1105 formed in the outer wall of the cylinder 1101, the small unqualified products in the ceramsite are favorably filtered, the spiral blade 1104 is rotatably arranged in the cylinder 1101, after the third servo motor 1103 is electrified and started, the third rotating shaft 1102 fixed on the rotating output of the third servo motor can be driven to rotate, the spiral blade 1104 rotates in the cylinder 1101, the falling speed of the ceramsite is slowed down under the action of axial conveying force through the spiral rotation of the spiral blade 1104, the ceramsite is fully screened in the cylinder 1101, and the qualified ceramsite is led out through an opening in the right side of the cylinder 1101.
The outside below position parcel of drum 1101 has collection box 1106, and one side welding intercommunication of collection box 1106 is on the input of fourth conveying pump 1107, the opening that runs through the form is seted up to the right side outer wall of drum 1101, collection box 1106 parcel is in the outside of through-hole 1105, the output of fourth conveying pump 1107 passes through the pipeline intercommunication on connecting box 12, under the filtering action of through-hole 1105, unqualified haydite drops the inside of collection box 1106 downwards, and inside pumping conveyer belt connecting box 12 through fourth conveying pump 1107 circular telegram, through the pipeline from the inside blending tank 103 that gets into of feed back mouth 106, recycle carries out, be favorable to avoiding the wasting of resources.
A method for preparing ceramsite by cooperation of coal gangue, phosphogypsum and sludge comprises the following steps:
the method comprises the following steps: coal gangue, phosphogypsum and coal gasification slag raw materials are added into the mixing barrel 103 through the feeding hole 105, the first servo motor 104 drives the mixing barrel 103 to swing back and forth after being electrified and started, the second servo motor 109 drives the stirring blade 108 to rotate after being electrified and started, and the filled raw materials in the mixing barrel 103 are stirred and mixed through the second rotating shaft 107, so that the added coal gangue, phosphogypsum and coal gasification slag raw materials are uniformly mixed;
step two: pumping the uniformly mixed raw materials into a grinding machine 3 through a first material conveying pump 2, and grinding the raw materials into powder in the grinding machine 3;
step three: the raw materials ground into powder fall into the granulator 4 downwards, and are processed into granular semi-finished products through the working start of the granulator 4;
step four: pumping the granular semi-finished product processed in the granulator 4 into the rotary kiln 6 under the working start of a second material conveying pump 5, and firing the rotary kiln 6 to form ceramsite;
step five: delivering sintered and molded ceramic particles in the rotary kiln 6 to the inside of the cooling mechanism 7, cooling the inside of the cooling mechanism 7, and recovering waste heat in the cooling mechanism 7 by using the heat pipe 801 wrapped on the outer wall of the cooling mechanism 7 and delivering the waste heat to the inside of the condensation pipe 802 for waste heat utilization;
step six: the ceramic particles sintered and formed in the rotary kiln 6 are conveyed into the dust removal mechanism 10 through the pumping of the third material conveying pump 9, dust mixed in the ceramic particles is blown off in the dust removal mechanism 10, and the separated dust is conveyed into the stirring mechanism 1 again for reutilization;
step seven: the ceramsite after being dedusted in the dedusting mechanism 10 falls downwards into the screening mechanism 11, and is screened by the screening mechanism 11, so that bad particles in the ceramsite are screened out, qualified products are led out, and unqualified products are conveyed to the inside of the stirring mechanism 1 again through the connecting box 12 for recycling.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides a device of gangue, ardealite and mud preparation haydite in coordination, includes rabbling mechanism (1), its characterized in that: the stirring mechanism (1) comprises a supporting seat (101), two groups of supporting seats (101) are arranged, the two groups of supporting seats (101) are fixed on the ground in a bilateral symmetry mode, the top of each group of supporting seats (101) is connected with a first rotating shaft (102) in a rotating mode, a mixing barrel (103) is fixedly connected between the two groups of first rotating shafts (102), one end, far away from the mixing barrel (103), of each group of first rotating shafts (102) is fixedly connected with a first servo motor (104), one side of the top of the mixing barrel (103) is fixedly communicated with a feeding hole (105), the other side of the top of the mixing barrel (103) is fixedly communicated with a material return hole (106), a second rotating shaft (107) is vertically inserted in the middle position of the interior of the mixing barrel (103), a stirring blade (108) is fixedly installed on the outer side of the second rotating shaft (107), and a second servo motor (109) is fixedly connected with one end of the upper portion, a discharge pipe (110) is fixedly arranged at the middle position of the bottom of the mixing barrel (103), the other end of the discharge pipe (110) is communicated with a first feed delivery pump (2) through a hose, the output end of the first feed delivery pump (2) is communicated with a grinding machine (3) through a pipeline, the bottom of the grinding machine (3) is fixedly connected with a granulator (4), the discharge port of the granulator (4) is fixedly communicated with a second feed delivery pump (5), the output end of the second feed delivery pump (5) is connected with a rotary kiln (6) through a pipeline, the discharge port of the rotary kiln (6) is communicated with a cooling mechanism (7) through a pipeline, heat pipes (801) are uniformly embedded in the outer wall of the cooling mechanism (7), a condensation pipe (802) is wound on the outer side of the rotary kiln (6), and the discharge port of the cooling mechanism (7) is connected with a third feed delivery pump (9) through a pipeline, and the output end of the third material conveying pump (9) is communicated with a dust removing mechanism (10) through a pipeline, the dust removing mechanism (10) comprises a dust removing cylinder (1001), a feeding cylinder (1002) is fixedly arranged at the middle position of the top of the dust removing cylinder (1001), a blocking cover (1003) is arranged at the middle position inside the dust removing cylinder (1001) through a support, a blowing cover (1004) is welded and fixed at the bottom of the blocking cover (1003), a ventilation guide cylinder (1005) is uniformly embedded on the outer wall of the blocking cover (1003), a fan (1006) is welded and communicated at one end of the blowing cover (1004) far away from the blocking cover (1003), a connecting pipe (1007) is fixedly embedded on the outer wall of the dust removing cylinder (1001), a connecting ring cylinder (1008) is welded and communicated at the other end of the connecting pipe (1007), a discharge hopper (1009) is welded and communicated at the bottom of the dust removing cylinder (1001), and a screening mechanism (11) is fixedly communicated at the other end of the discharge hopper (, the screening mechanism (11) comprises a cylinder (1101), a third rotating shaft (1102) is transversely inserted in the middle of the interior of the cylinder (1101), a third servo motor (1103) is fixedly connected to one end of the third rotating shaft (1102), spiral blades (1104) are fixedly mounted on the outer side of one end, located inside the cylinder (1101), of the third rotating shaft (1102), through holes (1105) are uniformly formed in the outer wall of the cylinder (1101), a recovery box (1106) is wrapped below the outer side of the cylinder (1101), and one side of the recovery box (1106) is welded and communicated with the input end of a fourth material conveying pump (1107);
the heat pipe (801) and the condensation pipe (802) are communicated with each other through a pipeline, high-purity water is filled in the heat pipe (801), and the heat pipe (801) and the condensation pipe (802) are spirally wound and fixed on the outer sides of the cooling mechanism (7) and the rotary kiln (6) respectively;
the shape of the baffle cover (1003) is stepped, the middle position of the top of the baffle cover (1003) is over against the lower part of the feeding cylinder (1002), and the feeding cylinder (1002) is connected with the output end of a third material conveying pump (9) through a pipeline;
the air supply hood (1004) is fixed to the bottom of the blocking hood (1003) in a funnel shape, the ventilation guide cylinders (1005) are obliquely installed on the outer wall of the blocking hood (1003), and a filter screen is fixedly embedded in each group of ventilation guide cylinders (1005);
the connecting ring cylinder (1008) is annular, the circle centers of the connecting ring cylinder (1008) and the dedusting cylinder (1001) are located on the same vertical straight line, the outer side of the connecting ring cylinder (1008) is communicated with a connecting box (12) through a pipeline, and the other end of the connecting box (12) is fixedly communicated with the feed back port (106) through a pipeline;
the cylinder (1101) is obliquely arranged and communicated at the bottom of the discharge hopper (1009), the spiral blade (1104) is rotatably connected with the cylinder (1101) through a third rotating shaft (1102), the spiral blade (1104) is in a spiral shape, and the outer edge position of the spiral blade (1104) is attached to the inner wall of the cylinder (1101);
the right side outer wall of drum (1101) is seted up the opening that runs through the form, collection box (1106) parcel is in the outside of through-hole (1105), the output of fourth conveying pump (1107) passes through the pipeline intercommunication on connecting box (12).
2. The device for preparing ceramsite by using coal gangue, phosphogypsum and sludge in a synergistic manner according to claim 1 is characterized in that: the mixing barrel (103) is rotatably connected with the supporting seat (101) through a first rotating shaft (102), the first rotating shaft (102) is fixedly connected to a rotating output shaft of a first servo motor (104), the stirring blade (108) is rotatably connected with the mixing barrel (103) through a second rotating shaft (107), and the second rotating shaft (107) is fixedly connected to a rotating output shaft of a second servo motor (109).
3. A method for preparing ceramsite by the cooperation of coal gangue, phosphogypsum and sludge is characterized in that a device for preparing ceramsite by the cooperation of coal gangue, phosphogypsum and sludge as claimed in any one of claims 1-2 is adopted, and comprises the following steps:
the method comprises the following steps: coal gangue, phosphogypsum and gasified slag raw materials are added into a mixing barrel (103) through a feeding hole (105), a first servo motor (104) drives the mixing barrel (103) to swing back and forth after being electrified, a second servo motor (109) drives a stirring blade (108) to rotate after being electrified, and the added coal gangue, phosphogypsum and gasified slag raw materials are stirred and mixed uniformly by driving a second rotating shaft (107) to rotate;
step two: the uniformly mixed raw materials enter the interior of a grinding machine (3) through pumping of a first material conveying pump (2), and are ground into powder in the interior of the grinding machine (3);
step three: the raw materials ground into powder fall into the granulator (4) downwards, and are processed into granular semi-finished products through the working start of the granulator (4);
step four: the semi-finished product processed into granules in the granulator (4) is pumped into the rotary kiln (6) under the working start of a second material conveying pump (5), and is fired by the rotary kiln (6) to form ceramsite;
step five: the ceramsite sintered and molded in the rotary kiln (6) is conveyed to the inside of the cooling mechanism (7), the inside of the cooling mechanism (7) is cooled, the heat pipe (801) is wrapped on the outer wall of the cooling mechanism (7), and the waste heat in the cooling mechanism (7) is recovered and conveyed to the inside of the condensing pipe (802) for waste heat utilization;
step six: the ceramic particles sintered and formed in the rotary kiln (6) are conveyed into the dust removal mechanism (10) through the pumping of the third material conveying pump (9), dust mixed in the ceramic particles is blown off in the dust removal mechanism (10), and the separated dust is conveyed into the stirring mechanism (1) again for reutilization;
step seven: the ceramsite after being dedusted in the dedusting mechanism (10) falls downwards into the screening mechanism (11), and is screened by the screening mechanism (11), so that bad particles in the ceramsite are screened out, qualified products are led out, and unqualified products are conveyed to the inside of the stirring mechanism (1) again through the connecting box (12) for recycling.
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| CN113019651B (en) * | 2021-03-04 | 2023-05-12 | 安徽理工大学 | Underground gangue sorting equipment |
| CN113427600A (en) * | 2021-07-15 | 2021-09-24 | 张淞睿 | Building engineering demolished material recycling device and operation method thereof |
| CN114591097B (en) * | 2022-03-22 | 2023-02-07 | 丹晟实业（上海）有限公司 | Device for preparing ceramsite by utilizing waste incineration fly ash and preparation method thereof |
| CN117329761B (en) * | 2023-12-01 | 2024-01-26 | 山东晶鑫机械装备有限公司 | Gypsum powder efficient cooling device and cooling method thereof |
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