CN112476751A - Production line for preparing concrete blocks - Google Patents
Production line for preparing concrete blocks Download PDFInfo
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- CN112476751A CN112476751A CN202011381703.5A CN202011381703A CN112476751A CN 112476751 A CN112476751 A CN 112476751A CN 202011381703 A CN202011381703 A CN 202011381703A CN 112476751 A CN112476751 A CN 112476751A
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- 239000004567 concrete Substances 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000012216 screening Methods 0.000 claims abstract description 71
- 239000002893 slag Substances 0.000 claims abstract description 59
- 238000003756 stirring Methods 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 238000001746 injection moulding Methods 0.000 claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 14
- 239000012190 activator Substances 0.000 claims abstract description 8
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 239000004088 foaming agent Substances 0.000 claims abstract description 8
- 230000018044 dehydration Effects 0.000 claims abstract description 5
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 27
- 238000007885 magnetic separation Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 9
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 9
- 239000004571 lime Substances 0.000 claims description 9
- 239000010440 gypsum Substances 0.000 claims description 8
- 229910052602 gypsum Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000012744 reinforcing agent Substances 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 9
- 239000002910 solid waste Substances 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 239000011499 joint compound Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 239000002956 ash Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000498 ball milling Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 235000015841 Acacia concinna Nutrition 0.000 description 1
- 244000044167 Acacia concinna Species 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001608 iron mineral Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
- B28B13/0235—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of comprehensive utilization of solid wastes, in particular to a production line for preparing concrete blocks, which comprises a feeding box, a screening box, a crushing and magnetic separating device, a dehydration instrument, a first stirring box, a second stirring box, an injection molding device and a heat preservation chamber, wherein a top plate is installed at the top end of the screening box; the problem of accumulation of waste residues of enterprises is solved on the premise of ensuring the performance of the aerated concrete block, meanwhile, the production cost of the aerated concrete block is greatly reduced, the compression and bending strength of the concrete block is increased, the aerated concrete prepared by using the steel slag tail mud, the steel slag fine and sand composite foaming agent and the alkali activator does not need to be autoclaved, and higher strength can be developed in a room temperature environment.
Description
Technical Field
The invention relates to the technical field of comprehensive utilization of solid wastes, in particular to a production line for preparing concrete blocks.
Background
The aerated concrete block is a novel green and environment-friendly building material, and steel slag is used as metallurgical waste slag of a steel mill, is accumulated in the steel mill in a large amount, cannot be utilized and occupies a field. The industrial steel slag is comprehensively used, the environmental pollution is treated, the cultivated land is saved, and good social and economic benefits are achieved. Becomes the power for developing circular economy and sustainable development.
Patent 201710371072.0 discloses a method for preparing aerated concrete building blocks by steel slag magnetic separation tail mud, in particular to the technical field of steel slag recycling, and is characterized by relating to a method for preparing aerated concrete building blocks by tail mud generated in the steel slag magnetic separation process, and being characterized in that: the aerated concrete block is prepared by taking the residual tail mud, cement, sand, lime, gypsum, aluminum paste and the like in the magnetic separation process of the steel slag as raw materials through the working procedures of stirring and pulping, molding, static curing, autoclaved curing and the like, wherein the mixing amount of the tail mud can reach more than 30 percent (mass ratio), and the utilization problem of the tail mud is solved.
Patent 201610814055.5 discloses a method for preparing aerated concrete blocks by using steel slag tail mud and desulfurized ash, and particularly relates to the technical field of comprehensive utilization of solid wastes. The method takes steel slag magnetic separation tail mud, desulfurized ash, cement, lime, sand, aluminum powder paste, a foam stabilizer and the like as raw materials, and prepares the aerated concrete block through the working procedures of stirring and pulping, molding, standing and maintaining, autoclaved maintaining and the like. The invention adopts the steel slag tail mud to replace part of lime and cement, and the desulfurized ash slag to replace part of lime, gypsum and mortar to prepare the aerated concrete block, the total mixing amount of the steel slag tail mud and the desulfurized ash slag can reach more than 65 percent (mass ratio), the problem of utilizing the steel slag tail mud and the desulfurized ash slag is solved, and simultaneously, the cost of raw materials is greatly reduced. The aerated concrete block prepared by the invention has low density, low heat conductivity coefficient and good sound insulation and compressive strength performances, and the product can reach the grade requirement.
Patent 201910800831.X discloses an anti-cracking energy-saving heat-insulating aerated concrete block and a preparation method thereof, wherein the concrete block comprises the following raw materials in parts by weight: 16-25 parts of flotation steel slag tail mud, 22-34 parts of calcined municipal sludge, 30-38 parts of fly ash, 7-11 parts of cement, 14-21 parts of lime, 1-3 parts of gypsum, 5-8 parts of lignin fiber, 1.2-1.6 parts of air entraining agent, 0.1-0.4 part of foam stabilizer and 0.06-0.1 part of aluminum paste, and then the flotation steel slag tail mud is prepared by mixing and stirring, slurry injection molding, standing and maintaining, demolding and cutting and autoclaving and maintaining. The invention takes the flotation steel slag tail mud and the calcined municipal sludge as partial siliceous raw materials and calcareous raw materials, realizes the recycling of solid wastes to prepare the green energy-saving aerated concrete block building wall material, and achieves the purposes of energy conservation, emission reduction and environmental protection.
Above patent is through breakage, the steel slag is handled to wet process ball-milling technology, recoverable iron mineral is elected to the magnetism, with the surplus and steel slag mud processing for steel slag fine sand and steel slag tail mud, as the raw and other materials of preparation aerated concrete, but prior art is lower to the resource utilization of steel slag, it is relatively more to produce the secondary waste material, it is the practicality of using to reduce it, the aerated concrete block of preparation mostly needs high temperature to evaporate the pressure, energy resource consumption has greatly improved manufacturing cost, and evaporate the aerated concrete that presses in-process to press yard heap central point to put often because evaporate the inadequate performance of pressure and descend, thereby cause the material waste.
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides a production line for making concrete blocks that solves the problems set forth in the background.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a production line for preparing concrete blocks comprises a feeding box, a screening box, a crushing and magnetic separating device, a dewatering instrument, a first stirring box, a second stirring box, an injection molding device and a heat preservation chamber, wherein a top plate is installed at the top end of the screening box, the screening device is arranged inside the screening box, the bottom end of the crushing and magnetic separating device is fixedly connected with the top end of the top plate, the bottom end of the crushing and magnetic separating device is communicated with the inside of the screening box through an inlet pipe, a first electromagnetic valve is installed on the inlet pipe, the feeding box is located on the left side of the screening box, a first auger is installed on the right rear side of the inside of the feeding box, the output end of the first auger is communicated with the inside of the crushing and magnetic separating device, the dewatering instrument is located on the right side of the screening box, the bottom side of the inside of the crushing and magnetic separating device is communicated with the inside of, the bottom side of the inside of the dehydration instrument is connected with the upper side of the inside of the first stirring box through a first connecting pipe, a second electromagnetic valve is arranged on the first connecting pipe, five material storage barrels are arranged at the top end of the first stirring box, the bottom ends of the five material storage barrels are respectively communicated with the inside of the first stirring box through second connecting pipes, a third valve is arranged on each second connecting pipe, cement, steel slag tail mud, fly ash, lime and gypsum are respectively arranged in the five material storage barrels, the bottom end of the second stirring box is fixedly connected with the right side of the top end of the first stirring box, the bottom end of the second stirring box is communicated with the inside of the first stirring box through a third connecting pipe, a fourth electromagnetic valve is arranged on the third connecting pipe, a foaming agent, a reinforcing agent, an alkali activator and water are arranged in the second stirring box, the injection molding device is positioned at the right side of the first stirring box, a conveying pump is arranged at the bottom side of the right end of, the input end of the delivery pump is communicated with the bottom side of the interior of the first stirring box through the first delivery pipe, the output end of the delivery pump is communicated with the interior of the injection molding device through the second delivery pipe, and the heat preservation chamber is positioned on the right side of the injection molding device.
Preferably, the screening device comprises a screening frame, a filter screen is installed at the bottom end of the screening frame, a first connecting plate is fixedly connected to the left side of the bottom end of the screening frame, two support plates are fixedly connected to the left side wall of the screening box, sliding grooves are formed in the right sides of the opposite ends of the two support plates, the front end and the rear end of the first connecting plate are in sliding fit with the two sliding grooves through fixed shafts, a second connecting plate is fixedly connected to the bottom side of the right end of the screening frame, rotating shafts are rotatably connected to the right side of the front end and the rear end of the inside of the screening box, rotating plates are fixedly connected to the opposite ends of the two rotating shafts, the front end and the rear end of the second connecting plate are rotatably connected with the two rotating plates respectively, a motor is installed on the right side of the rear end of the screening box, an output shaft of the motor extends into the inside of the screening box and is communicated with the rear end of, the left end of bin outlet is connected with first row of material pipe, and the left end intercommunication of screening case has the second to arrange the material pipe, and the right-hand member of the second row of material pipe is through the left end switch-on of first flexible pipe with first row of material pipe, and the one end of keeping away from the screening case of second row material pipe extends to the inside of charging box, the top of bin outlet is provided with the recess, and the top of recess is connected with electronic jar, and the inside slip of recess is provided with the baffle, the bottom of electronic jar and the top fixed connection of baffle, the front end and the right-hand member of baffle and the front end and the rear end sliding fit of bin outlet.
Preferably, the top end of the screening frame is communicated with the bottom end of the feeding pipe through a second telescopic pipe.
Preferably, the bottom end of the screening box is fixedly connected with a material guide plate.
Preferably, the bottom end of the dewatering apparatus is fixedly connected with four support legs.
Preferably, the top end of the second stirring box is communicated with a feeding hopper.
Preferably, the front end of the heat preservation chamber is hinged with a heat preservation door, and the front end of the heat preservation door is provided with a door handle.
Preferably, the meshes of the filter screen are square holes with the diameter of 5 mm.
Preferably, the bottom side of the right end of the screening box is connected with a discharge pipe, and a fifth electromagnetic valve is installed on the discharge pipe.
(III) advantageous effects
Compared with the prior art, the invention provides a production line for preparing concrete blocks, which has the following beneficial effects:
1. this production line of preparation concrete block, drive the pivot through the motor, the pivot drives the second connecting plate rotation through changeing the board, the second connecting plate rotates and makes the screening frame rock, can prevent that the filter screen from blockking up, the life of extension filter screen, improve filterable effect, improve the efficiency to the screening of tailings thick liquid, make the baffle move to the inside of recess through electronic jar, arrange the material pipe through first row, row's material pipe and second is arranged the inside of discharging to the charging box of pipe with great granule, carry to broken magnetic separation device in through first auger, further smash the magnetic separation, improve the resource utilization ratio of slag, avoid producing the secondary waste material, the practicality of its use has been improved.
2. According to the production line for preparing the concrete blocks, the hydration characteristics of the concrete blocks are adjusted by the steel slag fine sand, the active steel slag tail mud composite foaming agent and the alkali activator, the strength of the normal aerated concrete blocks can be achieved through maintenance, and all performances meet the index requirements of GB/T11968-. The steel slag waste is fully utilized in the preparation process, secondary industrial waste is avoided, the total mixing amount of the steel slag fine sand and the steel slag tail mud can reach more than 60 percent (mass ratio), the utilization problem of the steel slag waste is solved, meanwhile, the raw material cost is greatly reduced, and the spirit call of development of circular economy and sustainable development is fully responded.
3. The production line for preparing the concrete blocks adopts a large amount of industrial steel slag to prepare the aerated concrete blocks, changes waste into valuable, treats environmental pollution, saves cultivated land and has good social benefit and economic benefit. The method is characterized in that industrial steel slag is subjected to crushing, wet ball milling, magnetic separation and other processes to prepare steel slag fine sand and steel slag tail mud with activity, a part of cement, gypsum and river sand are replaced to prepare the aerated concrete block, the replacement rate (mass ratio) is more than 60%, the problem of accumulation of waste slag of enterprises is solved on the premise of ensuring the performance of the aerated concrete block, and meanwhile, the production cost of the aerated concrete block is greatly reduced.
4. According to the production line for preparing the concrete blocks, the steel slag slurry obtained through the wet grinding and magnetic separation processes does not need to be dried and is dehydrated to 20-30%, so that the processing cost is greatly reduced. The dehydrated steel slag tail mud has a large amount of active substances, and the rich calcium oxide and aluminum oxide substances can be hydrated by cementing materials such as composite cement and the like to form a net-shaped cross structure, so that the compression strength and the breaking strength of the concrete block are improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the connection of a first stirring box, five material storage barrels and a second stirring box according to the present invention;
FIG. 3 is a schematic sectional front view of the screening box of the present invention;
FIG. 4 is an enlarged partial view of FIG. 3 at A according to the present invention;
FIG. 5 is an enlarged partial view of FIG. 3 at B according to the present invention;
FIG. 6 is a schematic top view of the screening box and the magnetic crushing and separating device of the present invention.
In the figure: 1. a feed box; 2. a screening box; 3. a crushing magnetic separation device; 4. a dewatering apparatus; 5. a first stirring tank; 6. a second stirring tank; 7. an injection molding device; 8. a heat preservation chamber; 9. a top plate; 10. a feed pipe; 11. a first solenoid valve; 12. a first auger; 13. a second auger; 14. a first connecting pipe; 15. a second solenoid valve; 16. a storage barrel; 17. a second connecting pipe; 18. a third valve; 19. a third connecting pipe; 20. a fourth solenoid valve; 21. a delivery pump; 22. a first delivery pipe; 23. a second delivery pipe; 24. screening frames; 25. a filter screen; 26. a first connecting plate; 27. a support plate; 28. a fixed shaft; 29. a second connecting plate; 30. a rotating shaft; 31. rotating the plate; 32. a motor; 33. a first discharging pipe; 34. a second discharge pipe; 35. a first telescopic tube; 36. a second telescopic tube; 37. a material guide plate; 38. a support leg; 39. a hopper; 40. a heat preservation door; 41. a door handle; 42. a baffle plate; 43. an electric cylinder; 44. a discharge pipe; 45. and a fifth solenoid valve.
Detailed Description
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.
Examples
Referring to fig. 1-6, a production line for preparing concrete blocks comprises a feeding box 1, a screening box 2, a crushing and magnetic separating device 3, a dewatering instrument 4, a first stirring box 5, a second stirring box 6, an injection molding device 7 and a heat preservation chamber 8, wherein a top plate 9 is installed at the top end of the screening box 2, the screening device is arranged inside the screening box 2, a material guide plate 37 is fixedly connected to the bottom end of the screening box 2, a material discharge pipe 44 is connected to the bottom side of the right end of the screening box 2, a fifth electromagnetic valve 45 is installed on the material discharge pipe 44, the screened steel slag fine sand is discharged and added into a material storage barrel 16 filled with the steel slag fine sand through the material discharge pipe 44, the bottom end of the crushing and magnetic separating device 3 is fixedly connected with the top end of the top plate 9, the steel slag is crushed through the crushing and magnetic separating device 3, a wet ball milling process and a magnetic separating process are performed to obtain tailings slurry, the, the feeding pipe 10 is provided with a first electromagnetic valve 11, the feeding box 1 is positioned on the left side of the screening box 2, the right rear side inside the feeding box 1 is provided with a first auger 12, steel slag in the feeding box 1 is conveyed to the inside of the crushing and magnetic separating device 3 through the first auger 12, the output end of the first auger 12 is communicated with the inside of the crushing and magnetic separating device 3, the dehydrating instrument 4 is positioned on the right side of the screening box 2, the bottom end of the dehydrating instrument 4 is fixedly connected with four support legs 38, so that the bottom of the dehydrating instrument 4 is positioned at the top end of the first stirring box 5, the steel slag tail mud in the dehydrating instrument 4 is conveniently conveyed to the inside of the first stirring box 5, the dehydrating instrument 4 is one of a plate and frame type filter press, a belt type filter press and a centrifugal dehydrator or other types of dehydrating instruments 4, the bottom side inside the crushing and magnetic separating device 3 is communicated with the inside of the dehydrating instrument 4, the magnetically-separated tailing slurry is conveyed to the inside of a dehydrating instrument 4 through a second auger 13, the first stirring tank 5 is positioned on the right side of the dehydrating instrument 4, the bottom side of the inside of the dehydrating instrument 4 is communicated with the upper side of the inside of the first stirring tank 5 through a first connecting pipe 14, a second electromagnetic valve 15 is installed on the first connecting pipe 14, five storage barrels 16 are installed at the top end of the first stirring tank 5, the bottom ends of the five storage barrels 16 are respectively communicated with the inside of the first stirring tank 5 through second connecting pipes 17, each second connecting pipe 17 is provided with a third valve 18, cement, steel slag tailing, fly ash, lime and gypsum are respectively installed inside the five storage barrels 16, the cement is portland cement or ordinary portland cement, the strength is not lower than 42.5Mpa, the bottom end of the second stirring tank 6 is fixedly connected with the right side of the top end of the first stirring tank 5, the bottom end of the second stirring tank 6 is communicated with the inside of the first stirring tank 5 through a third connecting pipe 19, a fourth electromagnetic valve 20 is installed on the third connecting pipe 19, a foaming agent, a reinforcing agent, an alkali activator and water are installed inside the second stirring box 6, the top end of the second stirring box 6 is communicated with a feeding hopper 39, the foaming agent, the reinforcing agent, the alkali activator and the water are added into the second stirring box 6 through the feeding hopper 39, the foaming agent is one or more of aluminum powder, a soap pod and washing powder, the alkali activator is one or more of water glass, sodium carbonate and sodium bicarbonate, the reinforcing agent is one or more of glycidoxypropyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane and aminoethyl aminopropyltrimethoxysilane, the injection molding device 7 is located on the right side of the first stirring box 5, a delivery pump 21 is arranged on the bottom side of the right end of the first stirring box 5, the input end of the delivery pump 21 is communicated with the bottom side of the first stirring box 5 through a first delivery pipe 22, the output end of the delivery pump 21 is communicated with the inside of the injection molding device 7 through a second delivery pipe 23, the heat preservation chamber 8 is positioned on the right side of the injection molding device 7, the heat preservation door 40 is hinged to the front end of the heat preservation chamber 8, and the door handle 41 is installed at the front end of the heat preservation door 40 to play a role in heat preservation.
It should be further noted that the screening device includes a screening frame 24, a filtering screen 25 is installed at the bottom end of the screening frame 24, the mesh of the filtering screen 25 is a square hole of 5mm, steel slag fine sand below 5mm is screened, a first connecting plate 26 is fixedly connected to the left side of the bottom end of the screening frame 24, two support plates 27 are fixedly connected to the left side wall of the screening box 2, chutes are respectively arranged at the right sides of the opposite ends of the two support plates 27, the front end and the rear end of the first connecting plate 26 are in sliding fit with the two chutes through a fixing shaft 28, a second connecting plate 29 is fixedly connected to the bottom side of the right end of the screening frame 24, rotating shafts 30 are respectively and rotatably connected to the right side of the front end and the rear end of the inside of the screening box 2, rotating plates 31 are respectively and fixedly connected to the opposite ends of the two rotating shafts 30, a motor 32 is installed at the right side of the rear end of the screening, the model number of the motor 32 is Y82M1-2, the motor 32 is a device directly purchased from the market and known to those skilled in the art, and we only use it here, and do not improve it in structure and function, and we will not describe it in detail here, and the motor 32 is provided with a control switch matched with it, the installation position of the control switch is selected according to the actual use requirement, so as to be convenient for the operator to operate and control, the output shaft of the motor 32 extends into the interior of the screening box 2 and is communicated with the rear end of the rotating shaft 30 located at the rear side, the bottom side of the left end of the screening frame 24 is provided with a discharge port, the left end of the discharge port is connected with a first discharge pipe 33, the left end of the screening box 2 is communicated with a second discharge pipe 34, the right end of the second discharge pipe 34 is communicated with the left end of the first discharge pipe 33 through a first telescopic pipe 35, the end of the second discharge pipe 34 far away from the screening box 2 extends into the interior of, the top of bin outlet is provided with the recess, and the top of recess is connected with electronic jar 43, and the inside of recess slides and is provided with baffle 42, the bottom of electronic jar 43 and the top fixed connection of baffle 42, the front end and the right-hand member of baffle 42 and the front end and the rear end sliding fit of bin outlet, the top of screening frame 24 is through the bottom switch-on of the flexible pipe 36 of second and inlet pipe 10, can guarantee that the mud sediment thick liquid is whole to fall into to the inside of screening frame 24.
In conclusion, in the production line for preparing the concrete blocks, steel slag is placed inside the feeding box 1 when in use, conveying the steel slag into a crushing and magnetic separating device 3 through a first auger 12, crushing the steel slag through the crushing and magnetic separating device 3, carrying out wet ball milling and magnetic separation to obtain tail slag slurry, conveying the tail slag slurry into a dehydrating instrument 4 through a second auger 13, dehydrating the steel slag magnetic separation tail mud by using the dehydrating instrument 4 to obtain steel slag tail mud, controlling the water content to be 20-30%, sieving the crushed steel slag to obtain particles with the particle size of less than 5mm, namely steel slag fine sand, metering 15-25 parts of cement, 45-55 parts of steel slag fine sand, 15-25 parts of steel slag tail mud, 10-15 parts of fly ash, 10-15 parts of lime and 2-5 parts of gypsum, putting the mixture into stirring equipment, carrying out dry mixing for 5min, adding 45-55 parts of water, and stirring for 5-7min until the mixture is uniformly stirred to prepare a mixed. 0.05-0.12 part of foaming agent, 0.08-0.15 part of reinforcing agent, 0.2-0.8 part of alkali activator and 3-5 parts of water are uniformly stirred and added into the mixed material a to prepare mixed slurry, the stirred slurry is injected into a mold test piece sprayed with the release agent, and then the test piece is placed in a curing room to be statically stopped for foaming. And curing for 4-8 hours under the condition of 40-60 ℃, cutting by using a cutting machine according to requirements, removing unqualified test pieces such as damaged test pieces and the like, and then putting the cut aerated concrete blank into a constant-temperature curing chamber for curing, wherein the curing condition is room temperature, and the curing time is 18-24 hours. And (4) removing the mold of the cured concrete block to obtain the aerated concrete block.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a production line of preparation concrete block, includes charging box (1), screening box (2), broken magnetic separation device (3), dehydration instrument (4), first agitator tank (5), second agitator tank (6), injection molding device (7) and heat preservation room (8), its characterized in that: roof (9) is installed on the top of screening case (2), and the inside of screening case (2) is provided with the sieving mechanism, the top fixed connection of the bottom of broken magnetic separation device (3) and roof (9), the inside switch-on of inlet pipe (10) and screening case (2) is passed through to the bottom of broken magnetic separation device (3), installs first solenoid valve (11) on inlet pipe (10), charging box (1) is located the left side of screening case (2), and first auger (12) is installed to the right back side of the inside of charging box (1), and the output of first auger (12) and the inside switch-on of broken magnetic separation device (3), dewatering instrument (4) are located the right side of screening case (2), and the inside switch-on of second auger (13) and dewatering instrument (4) is passed through to the bottom side of the inside of broken magnetic separation device (3), the right side that is located dewatering instrument (4) of first agitator tank (5), the bottom side of the inside of the dehydration instrument (4) is communicated with the upper side of the inside of the first stirring box (5) through a first connecting pipe (14), a second electromagnetic valve (15) is installed on the first connecting pipe (14), five material storage barrels (16) are installed at the top end of the first stirring box (5), the bottom ends of the five material storage barrels (16) are communicated with the inside of the first stirring box (5) through second connecting pipes (17), each second connecting pipe (17) is provided with a third valve (18), cement, steel slag fine sand, fly ash, lime and gypsum are respectively installed inside the five material storage barrels (16), the bottom end of the second stirring box (6) is fixedly connected with the right side of the top end of the first stirring box (5), the bottom end of the second stirring box (6) is communicated with the inside of the first stirring box (5) through a third connecting pipe (19), and a fourth electromagnetic valve (20) is installed on the third connecting pipe (19), the foaming agent, the reinforcing agent, the alkali activator and the water are filled in the second stirring box (6), the injection molding device (7) is located on the right side of the first stirring box (5), the conveying pump (21) is arranged on the bottom side of the right end of the first stirring box (5), the input end of the conveying pump (21) is communicated with the bottom side of the interior of the first stirring box (5) through the first conveying pipe (22), the output end of the conveying pump (21) is communicated with the interior of the injection molding device (7) through the second conveying pipe (23), and the heat preservation chamber (8) is located on the right side of the injection molding device (7).
2. A production line for making concrete segments according to claim 1, characterized in that: the screening device comprises a screening frame (24), a filter screen (25) is installed at the bottom end of the screening frame (24), a first connecting plate (26) is fixedly connected to the left side of the bottom end of the screening frame (24), two support plates (27) are fixedly connected to the left side wall of the screening box (2), chutes are formed in the right sides of the opposite ends of the two support plates (27), the front end and the rear end of the first connecting plate (26) are in sliding fit with the two chutes through a fixing shaft (28), a second connecting plate (29) is fixedly connected to the bottom side of the right end of the screening frame (24), rotating shafts (30) are rotatably connected to the right side of the front end and the rear end of the interior of the screening box (2), rotating plates (31) are fixedly connected to the opposite ends of the two rotating shafts (30), the front end and the rear end of the second connecting plate (29) are rotatably connected with the two rotating plates (31) respectively, a motor (32) is installed on the right side of the, the output shaft of the motor (32) extends to the interior of the screening box (2) and is communicated with the rear end of the rotating shaft (30) positioned at the rear side, the bottom side of the left end of the screening frame (24) is provided with a discharge opening, the left end of the discharge opening is connected with a first discharge pipe (33), the left end of the screening box (2) is communicated with a second discharge pipe (34), the right end of the second discharge pipe (34) is communicated with the left end of the first discharge pipe (33) through a first extension pipe (35), one end of the second discharge pipe (34) far away from the screening box (2) extends into the feeding box (1), the top of bin outlet is provided with the recess, and the top of recess is connected with electronic jar (43), and the inside slip of recess is provided with baffle (42), the top fixed connection of the bottom of electronic jar (43) and baffle (42), the front end and the right-hand member of baffle (42) and the front end and the rear end sliding fit of bin outlet.
3. A production line for making concrete segments according to claim 2, characterized in that: the top end of the screening frame (24) is communicated with the bottom end of the feeding pipe (10) through a second extension pipe (36).
4. A production line for making concrete segments according to claim 3, characterized in that: the bottom end of the screening box (2) is fixedly connected with a material guide plate (37).
5. A production line for making concrete segments according to claim 4, characterized in that: the bottom end of the dehydration instrument (4) is fixedly connected with four supporting legs (38).
6. A production line for making concrete segments according to claim 5, characterized in that: the top end of the second stirring box (6) is communicated with a feeding hopper (39).
7. A production line for making concrete segments according to claim 6, characterized in that: the front end of the heat preservation chamber (8) is hinged with a heat preservation door (40), and the front end of the heat preservation door (40) is provided with a door handle (41).
8. A production line for making concrete segments according to claim 7, characterized in that: the meshes of the filter screen (25) are square holes of 5 mm.
9. A production line for making concrete segments according to claim 8, characterized in that: the bottom side of the right end of the screening box (2) is connected with a discharge pipe (44), and a fifth electromagnetic valve (45) is installed on the discharge pipe (44).
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| CN202011381703.5A CN112476751A (en) | 2020-12-01 | 2020-12-01 | Production line for preparing concrete blocks |
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| CN202011381703.5A CN112476751A (en) | 2020-12-01 | 2020-12-01 | Production line for preparing concrete blocks |
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| CN115091603A (en) * | 2022-07-27 | 2022-09-23 | 湖北理工学院 | Production line for preparing concrete blocks |
| CN115674399A (en) * | 2022-09-16 | 2023-02-03 | 广西晖龙科技有限公司 | Method and equipment for preparing foam self-insulation building block by using industrial smelting tailings |
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