CN115806413A - Method and equipment for preparing self-insulation foam concrete building block by using different tailings - Google Patents

Abstract

The invention relates to the technical field of building materials, in particular to a method and equipment for preparing a self-insulation foam concrete block by using different tailings, which comprises the following steps of S1: proportioning raw materials; s2: crushing and grinding; s3: adding materials and stirring; s4: foaming and forming at high temperature; s5: cooling and removing the mold; the equipment comprises a grinding mechanism, a charging and stirring mechanism, a foaming mechanism, a cooling mechanism and an injection molding grinding tool. The foam concrete product prepared by using various substances has the characteristics of high strength, heat insulation, heat preservation and the like, wherein the compression strength of the foam concrete can be further improved through the arrangement of the added ceramsite substances and the fibers, so that the foam concrete is not easy to crack, and the raw materials are sequentially crushed, ground, stirred, foamed at high temperature and formed and finally cooled and demoulded through integrated equipment, so that the efficiency of preparing the foam concrete is improved.

Description

Method and equipment for preparing self-insulation foam concrete building block by using different tailings

Technical Field

The invention relates to a method for preparing a self-heat-preservation foam concrete block, in particular to a method and equipment for preparing the self-heat-preservation foam concrete block by using different tailing slag, belonging to the technical field of building materials.

Background

The tailing slag belongs to byproducts discharged in the industrial production process, such as steel slag and blast furnace slag generated in the steel production process, fly ash and desulfurized gypsum generated by a thermal power plant, phosphogypsum generated in the phosphoric acid industry and the like; the tailing slag is a resource which can be recycled and comprehensively utilized; in recent years, due to the fact that a large amount of tail slag is discharged and stockpiled, ecological environment and ecological safety are seriously affected, and therefore, the country encourages comprehensive development of solid waste resources;

the prior building industry adopts foam concrete prepared by using different tailings, wherein the foam concrete is prepared by fully foaming a foaming agent in a mechanical way through a foaming system of a foaming machine and uniformly mixing the foaming agent with cement slurry; then cast-in-place construction or mould forming is carried out through a grouting system of a foaming machine, and a novel light heat-insulating material containing a large number of closed air holes is formed through natural curing;

however, after the existing foam concrete is piled up, the overall compression resistance and thermal insulation performance are still to be improved, the problem of easy cracking in the later period is caused, and meanwhile, during the preparation of the foam concrete, the preparation is difficult due to the complicated steps, so that the problem of low preparation efficiency is caused.

Accordingly, there is a need for an improved method of preparing self-insulating foamed concrete blocks to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a method and equipment for preparing a self-heat-preservation foam concrete block by using different tailing slag, wherein a foam concrete product prepared by using different tailing slag, fly ash, cement, fibers, water, a foam stabilizer, a foaming agent, a plasticizer, ceramsite, an alkali activator and sodium polyacrylate as raw materials has the characteristics of high strength, heat insulation, heat preservation and the like, the compressive strength of the foam concrete can be further improved through the arrangement of the added ceramsite substances and the fibers, so that the foam concrete is not easy to crack, and the raw materials are sequentially subjected to crushing, grinding, stirring, high-temperature foaming molding and final cooling and demolding through integrated equipment, so that the efficiency of the preparation of the foam concrete is improved.

In order to achieve the purpose, the invention adopts the main technical scheme that:

the method for preparing the self-insulation foam concrete block by using different tailings comprises the following steps of:

25-35% of tailing slag, 30-40% of fly ash, 8-15% of cement, 5-8% of fiber, 40-50% of water, 5-15% of foam stabilizer, 5-15% of foaming agent, 10-20% of plasticizer, 10-15% of ceramsite, 5-8% of alkali activator and 2-5% of sodium polyacrylate;

the tailing mine is one or a mixture of more of slag, blast furnace granulated slag, phosphorous slag and steel slag, the ceramsite is a ceramsite fired by sludge, the particle size of the ceramsite is 2mm, the foam stabilizer is calcium stearate, and the foaming agent is hydrogen peroxide, calcium hydroxide or calcium carbide.

Preferably, the method for preparing the self-heat-preservation foam concrete block by using different tailings comprises the following steps:

s1: weighing the raw materials according to the raw material proportion, wherein the raw materials comprise the following components in percentage by weight: 30% of tailing slag, 35% of fly ash, 10% of cement, 8% of fiber, 45% of water, 12% of a foam stabilizer, 11% of a foaming agent, 15% of a plasticizer, 13% of ceramsite, 7% of an alkali activator and 4% of sodium polyacrylate; the foam stabilizer, the foaming agent, the plasticizer, the ceramsite, the alkali activator and the sodium polyacrylate salt are respectively injected into a plurality of micro storage tanks;

s2: putting different tailings into a crushing mechanism for crushing, and feeding crushed mixed slag into a grinding mechanism for grinding into powder;

s3: then discharging powdery substances into a stirring mechanism for stirring treatment, discharging different medicaments and materials placed in a plurality of micro storage tanks into the stirring mechanism for stirring treatment during stirring, and simultaneously adding the cement, the fly ash, the fibers and the water for mixing and stirring at the stirring speed of 250-300r/min for stirring reaction for 7-10 min;

s4: discharging the stirred mixture into an injection mold for paving and molding, and then feeding the mixture into a foaming mechanism for sealing and high-temperature foaming and molding, wherein the foaming temperature is 850-1000 ℃, and the foaming time is 40-60min;

s5: and (3) forming the foam concrete subjected to high-temperature foaming treatment, then performing cooling treatment by using a cold area mechanism for 10-25min, and removing the mould of the cooled foam concrete.

Preferably, an equipment of self preservation temperature foam concrete block is prepared with different tailings sediment, including supporting the base and supporting the crushing grinding mechanism, reinforced rabbling mechanism, foaming mechanism and the cooling body that the base up end set gradually, the up end that supports the base still slides and is provided with the grinding apparatus of moulding plastics, crushing grinding mechanism is including first electric sliding group and be used for smashing the crushing mechanism of different tailings sediment and the grinding mechanism that is used for grinding the disintegrating slag, reinforced rabbling mechanism is including supporting the group and being used for reinforced feed box and the rabbling mechanism that is used for mixing the stirring, foaming mechanism is including being used for heating foaming fashioned foaming box and third electric sliding group, cooling body is including being used for refrigerated cooling box and fourth electric sliding group.

Preferably, the crushing mechanism is arranged above the grinding mechanism, and the grinding mechanism is adjusted in a vertical sliding mode through the first electric sliding group;

the crushing mechanism comprises a crushing box, a first driving motor, a second driving motor and crushing steel blades, a feed inlet is formed above the crushing box, a partition plate is vertically arranged on one side inside the crushing box, a placing space is formed by the partition plate and one side inside the crushing box, the first driving motor and the second driving motor are sequentially arranged up and down in the placing space, the output ends of the first driving motor and the second driving motor are respectively connected with one crushing steel blade, the upper crushing steel blade and the lower crushing steel blade are respectively transversely linked to form a plurality of crushing steel blades, and the cutting edges of the upper crushing steel blade and the lower crushing steel blade are respectively arranged in a staggered mode;

the lower end face of the crushing box is provided with a discharge channel, one side inside the discharge channel is hinged to be provided with a closing plate used for closing the discharge channel, one side of the lower end face of the closing plate is hinged to be provided with an electric telescopic rod, and the other end of the electric telescopic rod is connected with one side, close to the hinged end of the closing plate, inside the discharge channel.

Preferably, the grinding mechanism comprises a rotating roller, a third driving motor and a support frame, the bottom of the third driving motor is fixedly connected with the upper end face of the support frame, the output end of the third driving motor is connected with the rotating roller, a plurality of grinding balls are arranged in the rotating roller, a second sealing plate is arranged at the feeding position of the rotating roller in an inwards concave manner, and a plurality of discharge holes in a circular truncated cone structure are formed in the second sealing plate;

the support frame is including first backup pad and second backup pad, first backup pad with both sides between the second backup pad all are provided with the third backup pad, the up end of second backup pad is provided with slow motor, the output of slow motor is connected with first gear train, the both sides of first backup pad are all rotated and are connected with the fourth backup pad, two the lower terminal surface and two of fourth backup pad the up end fixed connection of third backup pad, two the medial surface of fourth backup pad all is provided with rotates the groove, the both sides of first backup pad pass through the dwang with it rotates the groove and connects, the lower terminal surface of first backup pad be connected with the second gear train that first gear train meshing is connected.

Preferably, the feeding box and the stirring mechanism are supported by the support group, and the feeding box is positioned above the stirring mechanism;

the filling box is including a plurality of miniature bin that is used for storing different materials, each the up end of miniature bin all is provided with the charge door, each the side of miniature bin all is provided with a transparent window, the lower terminal surface of miniature bin all is provided with the conveying pipeline, each all be provided with a solenoid valve, a plurality of on the conveying pipeline the discharge gate department intercommunication of conveying pipeline has one to concentrate the discharging pipe.

Preferably, the stirring mechanism comprises a fixed base, a fifth driving motor, a stirring barrel and a stirring arm, wherein a plurality of supporting rods for supporting the stirring barrel are arranged on the upper end face of the fixed base;

the equal vertical arrangement in both sides of rabbling arm has the horizontal supplementary forearm that sets up of a plurality of, supplementary forearm is kept away from the one end of rabbling arm is provided with the scraper blade, the scraper blade with the laminating of agitator inner wall, each the lower terminal surface of supplementary forearm all is provided with two cross stirring forearm, the agitator is close to the circular arc groove has been seted up to the top of smashing grinding mechanism one side, the agitator is kept away from the below of circular arc groove one side is connected with row material pipe, it is close to on the material pipe to arrange one side of agitator is provided with the second solenoid valve, row material pipe's below is connected with the second and arranges the material pipe.

Preferably, the foaming box slides up and down through the third electric sliding group, a fan is arranged above the interior of the foaming box, a plurality of heating pipes are arranged in the middle of the interior of the foaming box, a baffle is arranged below the interior of the foaming plate, a plurality of circular truncated cone-shaped exhaust holes are formed in the baffle, and a plurality of heat dissipation holes are formed in the upper end face of the foaming box.

Preferably, the up end that supports the base is provided with electronic slide rail, electronic slide rail is used for driving injection mold and is in support base top lateral sliding, it is provided with sliding bottom to slide on the electronic slide rail, sliding bottom's up end is provided with a plurality of locating hole, injection mold's lower terminal surface is provided with a plurality of locating lever, injection mold's both sides all are provided with the handle, the inside hidden circulation basin of having seted up of injection mold, injection mold's up end seted up with hide communicating inlet opening and the apopore of circulation basin, the inlet opening with the apopore be used for with the cooler bin intercommunication.

Preferably, the cooling box slides up and down through the fourth electric sliding group, a second partition plate is arranged on one side inside the cooling box, a second placing space is formed by the second partition plate and one side inside the cooling box, a water tank is formed by the second partition plate and the other side inside the cooling box, a refrigeration compressor is placed inside the second placing space, the refrigeration compressor extends into the water tank through a refrigeration pipe, a water pump is arranged inside the water tank and connected with a water delivery pipe, a drain pipe is further arranged inside the water tank, the upper end of the drain pipe extends to the position above the water level inside the water tank, the lower end of the drain pipe extends to the lower end face of the water tank, the position of the drain pipe and the water delivery pipe corresponds to the position of the water inlet hole and the position of the water outlet hole, a water injection pipe is arranged above the water tank, and a second transparent window is arranged outside the water tank.

The invention has at least the following beneficial effects:

1. the foam concrete product prepared by using different tailing slag, fly ash, cement, fibers, water, a foam stabilizer, a foaming agent, a plasticizer, ceramsite, an alkali activator and sodium polyacrylate as raw materials has the characteristics of high strength, heat insulation, heat preservation and the like, and can be used for self heat preservation of a wall body, wherein the compressive strength of the foam concrete can be further improved through the added ceramsite substances and the fibers, so that the foam concrete is not easy to crack, meanwhile, various raw materials can be sequentially crushed, ground, stirred, foamed and formed at high temperature and finally cooled and demoulded through integrated equipment, and a large amount of manual and complex processing steps are replaced by using mechanical equipment, so that the efficiency of preparing the foam concrete is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front plan view of the present invention;

FIG. 3 is a schematic view, partially in section, of the comminution grinding mechanism of the invention;

FIG. 4 is a schematic top view of the crush box of the present invention;

FIG. 5 is an internal view of the stirring mechanism of the present invention;

FIG. 6 is a schematic perspective view of a stirring arm according to the present invention;

FIG. 7 is a schematic view of the foaming chamber of the present invention;

FIG. 8 is a schematic view of the interior of the cooling box of the present invention;

FIG. 9 is a schematic view of an injection mold attachment of the present invention;

FIG. 10 is a cross-sectional view of an injection mold of the present invention;

FIG. 11 is a flow chart of the present invention.

In the figure, 1-supporting base, 2-crushing and grinding mechanism, 3-feeding and stirring mechanism, 4-foaming mechanism, 5-cooling mechanism, 6-injection mold, 7-crushing mechanism, 8-grinding mechanism, 9-feeding box, 10-stirring mechanism, 11-first electric sliding group, 12-supporting group, 13-foaming box, 14-third electric sliding group, 15-cooling box, 16-fourth electric sliding group, 17-crushing box, 18-first driving motor, 19-second driving motor, 20-crushing steel blade, 21-partition plate, 22-feeding port, 23-placing space, 24-discharging channel, 25-sealing plate, 26-electric telescopic rod, 27-rotating roller, 28-third driving motor, 29-support frame, 30-grinding ball, 31-second closing plate, 32-discharge hole, 33-first support plate, 34-second support plate, 35-third support plate, 36-slow motor, 37-first gear set, 38-fourth support plate, 39-rotating groove, 40-rotating rod, 41-second gear set, 42-micro storage box, 43-charging hole, 44-first transparent window, 45-material conveying pipe, 46-centralized discharge pipe, 47-fixed base, 48-fifth driving motor, 49-stirring barrel, 50-support rod, 51-auxiliary small arm, 52-scraping plate, 53-cross stirring small arm, 54-arc groove, 55-discharge pipe, 56-second electromagnetic valve, 57-a second discharge pipe, 58-an electric slide rail, 59-a fan, 60-a heating pipe, 61-a baffle, 62-an exhaust hole, 63-a heat dissipation hole, 64-a sliding base, 65-a positioning hole, 66-a positioning rod, 67-a handle, 68-a hidden circulating water tank, 69-a water inlet hole, 70-a water outlet hole, 71-a second partition plate, 72-a second placing space, 73-a refrigeration compressor, 74-a water tank, 75-a refrigeration pipe, 76-a water pump, 77-a water conveying pipe, 78-a water discharge pipe, 79-a water injection pipe, 80-a second transparent window, 81-an electromagnetic valve and 82-a stirring arm.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1 to fig. 11, in the method for preparing a self-insulating foamed concrete block from different tailings, the foamed concrete block is prepared from the following raw materials in parts by mass:

25-35% of tailing slag, 30-40% of fly ash, 8-15% of cement, 5-8% of fiber, 40-50% of water, 5-15% of foam stabilizer, 5-15% of foaming agent, 10-20% of plasticizer, 10-15% of ceramsite, 5-8% of alkali activator and 2-5% of sodium polyacrylate;

the tailing slag is one or a mixture of more of slag, blast furnace granulated slag, phosphorous slag and steel slag, and can be used as a raw material for preparing foam concrete without tailing slag, so that the waste of resources can be greatly reduced, and the recycling rate is improved;

the ceramsite is the ceramsite fired by sludge, the particle size of the ceramsite is 2mm, and the thermal conductivity coefficient of the ceramsite is 0.13-0.14W/(m.K); preparing ceramsite: the sludge and shale powder account for the following mass percent: 35% of sludge and 65% of shale powder, weighing the sludge and the shale powder, mixing and granulating the sludge and the shale powder, wherein the particle size is 1-3 mm; then calcining the mixture for 19 to 22min at the temperature of between 1000 and 1150 ℃ in a rotary kiln to obtain the ultra-light sludge ceramsite with the density grade of between 300 and 500, the cylinder pressure strength of between 1 and 3MPa and the water absorption of between 10 and 12 percent;

meanwhile, the sludge ceramsite has the effects of absorbing water and releasing water, has the maintenance effect on the foam concrete and can reduce the shrinkage performance of the foam concrete; the ceramsite has extremely low heat conductivity coefficient and can effectively play a role in resisting hot spots, so that the heat insulation effect is improved;

the foam stabilizer is calcium stearate, and the foaming agent is hydrogen peroxide, calcium hydroxide or calcium carbide; meanwhile, the sodium polyacrylate SAP is a high water absorption resin, the water absorption multiple is 150-200 times, and the negative pressure property of the foam concrete during molding can be relieved.

As shown in fig. 11, a method for preparing a self-insulating foamed concrete block from different tailings comprises the following steps:

s1: weighing the raw materials according to the raw material proportion, wherein the raw materials comprise the following components in percentage by weight: 30% of tailing slag, 35% of fly ash, 10% of cement, 8% of fiber, 45% of water, 12% of a foam stabilizer, 11% of a foaming agent, 15% of a plasticizer, 13% of ceramsite, 7% of an alkali activator and 4% of sodium polyacrylate; and the foam stabilizer, the foaming agent, the plasticizer, the ceramsite, the alkali activator and the sodium polyacrylate salt are respectively injected into the plurality of micro storage tanks 42; the foam concrete product prepared by using different tailing slag, fly ash, cement, fiber, water, a foam stabilizer, a foaming agent, a plasticizer, ceramsite, an alkali activator and sodium polyacrylate as raw materials has the characteristics of high strength, heat insulation, heat preservation and the like, wherein the compressive strength of the foam concrete can be further improved through the added ceramsite material and the fiber, so that the foam concrete product is not easy to crack;

s2: different tailings are put into a crushing mechanism 7 for crushing treatment, and crushed mixed slag enters a grinding mechanism 8 for grinding into powder;

s3: then discharging the powdery substances into the stirring mechanism 10 for stirring treatment, discharging different medicaments and materials placed in the plurality of micro storage tanks 42 into the stirring mechanism 10 for stirring treatment during stirring, and simultaneously adding cement, fly ash, fibers and water for mixing and stirring at the stirring speed of 250-300r/min for stirring reaction for 7-10 min;

s4: discharging the stirred mixture into an injection mold 6 for paving and molding, and then feeding the mixture into a foaming mechanism 4 for sealing and high-temperature foaming and molding, wherein the foaming temperature is 850-1000 ℃, and the foaming time is 40-60min;

s5: and (3) forming the foam concrete subjected to high-temperature foaming treatment, then performing cooling treatment by using a cold area mechanism 5 for 10-25min, and removing the mould of the cooled foam concrete.

As shown in fig. 1, the device for preparing self-insulation foam concrete blocks by using different tailings comprises a supporting base 1 and a crushing and grinding mechanism 2, a feeding stirring mechanism 3, a foaming mechanism 4 and a cooling mechanism 5 which are sequentially arranged on the upper end surface of the supporting base 1, wherein the upper end surface of the supporting base 1 is also provided with an injection mold 6 in a sliding manner, the crushing and grinding mechanism 2 comprises a first electric sliding group 11, a crushing mechanism 7 for crushing different tailings and a grinding mechanism 8 for grinding the tailings, the feeding stirring mechanism 3 comprises a supporting group 12, a feeding box 9 for feeding and a stirring mechanism 10 for mixing and stirring, the foaming mechanism 4 comprises a foaming box 13 for heating and foaming and a third electric sliding group 14, and the cooling mechanism 5 comprises a cooling box 15 for cooling and a fourth electric sliding group 16.

Crushing and grinding:

as shown in fig. 1 to 4, the crushing mechanism 7 is arranged above the grinding mechanism 8, and the grinding mechanism 8 is adjusted by sliding up and down through a first electric sliding group 11;

the crushing mechanism 7 comprises a crushing box 17, a first driving motor 18, a second driving motor 19 and crushing steel blades 20, a feed inlet 22 is formed above the crushing box 17, a partition plate 21 is vertically arranged on one side inside the crushing box 17, a placing space 23 is formed by the partition plate 21 and one side inside the crushing box 17, the first driving motor 18 and the second driving motor 19 are sequentially arranged up and down in the placing space 23, the output ends of the first driving motor 18 and the second driving motor 19 are both connected with the crushing steel blades 20, the upper crushing steel blades 20 and the lower crushing steel blades 20 are both transversely linked to form a plurality of crushing steel blades, and the upper crushing steel blades and the lower crushing steel blades 20 are both staggered;

placing a plurality of mixed or one of the tailing slag into a crushing box 17, and crushing the tailing slag by starting a first driving motor 18 and a second driving motor 19 and driving a plurality of crushing steel blades 20 which are arranged in a staggered mode by using the first driving motor 18 and the second driving motor 19;

a discharge channel 24 is arranged on the lower end face of the crushing box 17, a closing plate 25 for closing the discharge channel 24 is hinged to one side inside the discharge channel 24, an electric telescopic rod 26 is hinged to one side of the lower end face of the closing plate 25, and the other end of the electric telescopic rod 26 is connected with one side, close to the hinged end of the closing plate 25, inside the discharge channel 24;

when the material to be crushed is thrown into the rotary drum 27, the closing plate 25 no longer closes the discharge passage 24 by the contraction of the electric telescopic rod 26, so that the crushed material in the crushing box 17 enters the rotary drum 27 for grinding;

the grinding mechanism 8 comprises a rotary roller 27, a third driving motor 28 and a support frame 29, the bottom of the third driving motor 28 is fixedly connected with the upper end face of the support frame 29, the output end of the third driving motor 28 is connected with the rotary roller 27, a plurality of grinding balls 30 are arranged inside the rotary roller 27, a second closing plate 31 is arranged at the feeding position of the rotary roller 27 in an inwards recessed mode, and a plurality of discharge holes 32 in a circular truncated cone structure are formed in the second closing plate 31;

when the crushed materials enter the rotating roller 27 through the second closing plate 31 and the discharge hole 32, which are arranged in a concave manner, and then the rotating roller 27 is driven to rotate by the third driving motor 28, so that a plurality of grinding balls 30 in the rotating roller are driven to start irregular movement, and finally, the materials in the rotating roller are ground into powder;

the supporting frame 29 comprises a first supporting plate 33 and a second supporting plate 34, third supporting plates 35 are arranged on two sides between the first supporting plate 33 and the second supporting plate 34, a slow motor 36 is arranged on the upper end surface of the second supporting plate 34, the output end of the slow motor 36 is connected with a first gear set 37, fourth supporting plates 38 are rotatably connected on two sides of the first supporting plate 33, the lower end surfaces of the two fourth supporting plates 38 are fixedly connected with the upper end surfaces of the two third supporting plates 35, the inner side surfaces of the two fourth supporting plates 38 are provided with rotating grooves 39, two sides of the first supporting plate 33 are rotatably connected with the rotating grooves 39 through rotating rods 40, and the lower end surface of the first supporting plate 33 is connected with a second gear set 41 which is meshed with the first gear set 37;

the powdery material after grinding is in rotating the cylinder 27, utilize first electric sliding group 11 to drive grinding mechanism 8 and slide down, then drive first gear train 37 through utilizing slow motor 36 to rotate, drive the second gear train 41 that the meshing is connected and rotate, thereby drive first backup pad 33 and rotate the regulation between two fourth backup pads 38, and thereby third driving motor 28 and the rotation cylinder 27 that drive the top are close to 49 directions of agitator, the final opening part that rotates cylinder 27 can be in the circular arc groove 54 of seting up on downward sloping to agitator 49, thereby make the inside material powder of rotation cylinder 27 get into inside the agitator 49.

Adding materials and stirring:

as shown in fig. 5 to 6, the feeding box 9 and the stirring mechanism 10 are both supported by the supporting set 12, and the feeding box 9 is located above the stirring mechanism 10;

the feeding box 9 comprises a plurality of micro storage boxes 42 for storing different materials, the upper end face of each micro storage box 42 is provided with a feeding port 43, the feeding port 43 is used for feeding materials into the micro storage boxes 42, the side face of each micro storage box 42 is provided with a first transparent window 44, the first transparent window 44 is convenient for observing the material storage condition in the micro storage boxes 42, the lower end face of each micro storage box 42 is provided with a material conveying pipe 45, each material conveying pipe 45 is provided with an electromagnetic valve 81, the material outlet of each material conveying pipe 45 is communicated with a centralized material outlet pipe 46, the materials in each material conveying pipe 45 enter the centralized material outlet pipe 46 through the opening of the electromagnetic valve 81, and then enter the stirring barrel 49, and the material conveying pipes 45 can be completely opened and closed or independently opened and closed according to the use requirement;

the stirring mechanism 10 comprises a fixed base 47, a fifth driving motor 48, a stirring barrel 49 and a stirring arm 82, wherein the upper end surface of the fixed base 47 is provided with a plurality of supporting rods 50 for supporting the stirring barrel 49, the fifth driving motor 45 is arranged on the upper end surface of the fixed base 47, and the output end of the fifth driving motor 48 extends into the stirring barrel 49 and is connected with the stirring arm 82;

a plurality of transversely arranged auxiliary small arms 51 are vertically arranged on both sides of the stirring arm 82, a scraping plate 52 is arranged at one end, away from the stirring arm 82, of each auxiliary small arm 51, the scraping plate 52 is attached to the inner wall of the stirring barrel 49, two cross-shaped stirring small arms 53 are arranged on the lower end face of each auxiliary small arm 51, an arc groove 54 is formed above one side, close to the crushing and grinding mechanism 2, of the stirring barrel 49, a discharge pipe 55 is connected below one side, away from the arc groove 54, of the stirring barrel 49, a second electromagnetic valve 56 is arranged on one side, close to the stirring barrel 49, of the discharge pipe 55, a second discharge pipe 57 is connected below the discharge pipe 55, and the stirred materials are discharged into the injection mold 6 for injection molding by opening the second electromagnetic valve 56 and utilizing the discharge pipe 55 and the second discharge pipe 57;

after all materials all got into agitator 49 inside, drive the rabbling arm 82 through opening of fifth driving motor 45 and rotate, more even through utilizing supplementary forearm 51 and cross stirring forearm 53 to stir the inside material of agitator 49 simultaneously, utilize the scraper blade 52 of rabbling arm 82 outer end setting, can scrape the attached material of agitator 49 inner wall, guarantee that the material of inner wall also can stir.

High-temperature foaming:

as shown in fig. 7, the foaming box 13 slides up and down through the third electric sliding group 14, a fan 59 is arranged above the interior of the foaming box 13, a plurality of heating pipes 60 are arranged in the middle of the interior of the foaming box 13, a baffle 61 is arranged below the interior of the foaming plate 13, a plurality of circular truncated cone-shaped exhaust holes 62 are formed in the baffle 61, and a plurality of heat dissipation holes 63 are formed in the upper end surface of the foaming box 13; the heat dissipation hole 63 is used for dissipating heat of the fan 59 and part of heat;

the injection mold 6 slides to the position right below the foaming box 13, the foaming box 13 slides downwards by using the third electric sliding group 14 and hermetically wraps the injection mold 6, then the heating pipes 60 emit heat by opening the fan 59 and the heating pipes 60, and the heat is blown to the inside of the injection mold 6 through the exhaust holes 62 by using an air source generated by the fan 59, so that the foaming and heating treatment of the foam concrete inside the injection mold 6 are realized.

Cooling and removing the mold:

as shown in fig. 8 to 10, an electric slide rail 58 is arranged on the upper end surface of the supporting base 1, the electric slide rail 58 is used for driving the injection mold 6 to slide transversely above the supporting base 1, a slide base 64 is arranged on the electric slide rail 58 in a sliding manner, a plurality of positioning holes 65 are arranged on the upper end surface of the slide base 64, a plurality of positioning rods 66 are arranged on the lower end surface of the injection mold 6, handles 67 are arranged on both sides of the injection mold 6, a hidden circulating water tank 68 is arranged inside the injection mold 6, a water inlet 69 and a water outlet 70 communicated with the hidden circulating water tank 68 are arranged on the upper end surface of the injection mold 6, and the water inlet 69 and the water outlet 70 are used for being communicated with the cooling box 15; the arrangement of the positioning hole 65 and the positioning rod 66 facilitates the installation of the injection mold 6 and the sliding base 34, the separation of the injection mold 6 and the sliding base during later-stage mold removal is facilitated, and the arrangement of the handle 67 facilitates the removal of the injection mold 6;

the cooling box 15 slides up and down through the fourth electric sliding group 16, a second partition plate 71 is arranged on one side inside the cooling box 15, a second placing space 72 is formed by the second partition plate 71 and one side inside the cooling box 15, a water tank 74 is formed by the second partition plate 71 and the other side inside the cooling box 15, a refrigeration compressor 73 is placed inside the second placing space 72, the refrigeration compressor 73 extends into the water tank 74 through a refrigeration pipe 75, a water pump 76 is arranged inside the water tank 74, the water pump 76 is connected with a water delivery pipe 77, a water discharge pipe 78 is further arranged inside the water tank 74, the upper end of the water discharge pipe 78 extends to the upper part of the water level inside the water tank 74, the lower end of the water discharge pipe 78 extends to the lower end face of the water tank 74, the positions of the water discharge pipe 78 and the water delivery pipe 77 correspond to the positions of the water inlet hole 69 and the water outlet hole 70, a water injection pipe 79 is arranged above the water tank 74, a second transparent window 80 is arranged outside the water tank 74, the water injection pipe 79 is used for injecting water into the water tank 74, and the second transparent window 80 is used for observing the liquid level inside the water tank 74;

the injection mold 6 slides to the position right below the cooling box 15, then the cooling box 15 slides downwards by using the fourth electric sliding group 16, a water conveying pipe 77 and a water discharging pipe 78 arranged at the bottom can be respectively inserted into the water inlet hole 69 and the water outlet hole 70, the water source inside the water tank 74 is cooled by using the opening of the refrigeration compressor 73, then the water source inside the water tank 74 enters the hidden circulating water channel 68 through the water conveying pipe 77 and the water inlet hole 69 by using the opening of the water pump 73, so that the foamed concrete inside the injection mold 6 is cooled and cooled, the mold is removed after cooling treatment for a certain time, however, the water source passing through the hidden circulating water channel 68 can return to the inside of the water tank 74 again through the water outlet hole 70 and the water discharging pipe 78 for cooling treatment, and the treatment effect of circulating cooling is achieved.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrases "comprising one of 8230 \8230;" does not exclude the presence of additional like elements in an article or system comprising the element.

The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The method for preparing the self-insulation foam concrete block by using different tailings is characterized in that the foam concrete block is prepared from the following raw materials in parts by mass:

25-35% of tailing slag, 30-40% of fly ash, 8-15% of cement, 5-8% of fiber, 40-50% of water, 5-15% of foam stabilizer, 5-15% of foaming agent, 10-20% of plasticizer, 10-15% of ceramsite, 5-8% of alkali activator and 2-5% of sodium polyacrylate;

the tailing mine is one or a mixture of more of slag, blast furnace granulated slag, phosphorous slag and steel slag, the ceramsite is a ceramsite fired by sludge, the particle size of the ceramsite is 2mm, the foam stabilizer is calcium stearate, and the foaming agent is hydrogen peroxide, calcium hydroxide or calcium carbide.

2. The method for preparing the self-insulating foamed concrete block by using different tailings as claimed in claim 1, wherein the method comprises the following steps: the method comprises the following steps:

s1: weighing the raw materials according to the raw material proportion, wherein the raw materials comprise the following components in percentage by weight: 30% of tailing slag, 35% of fly ash, 10% of cement, 8% of fiber, 45% of water, 12% of a foam stabilizer, 11% of a foaming agent, 15% of a plasticizer, 13% of ceramsite, 7% of an alkali activator and 4% of sodium polyacrylate; the foam stabilizer, the foaming agent, the plasticizer, the ceramsite, the alkali activator and the sodium polyacrylate salt are respectively injected into a plurality of micro storage tanks (42);

s2: putting different tailings into a crushing mechanism (7) for crushing treatment, and putting crushed mixed slag into a grinding mechanism (8) for grinding into powder;

s3: then discharging the powdery substances into a stirring mechanism (10) for stirring, discharging different medicaments and materials placed in a plurality of miniature storage boxes (42) into the stirring mechanism (10) for stirring during stirring, and simultaneously adding the cement, the fly ash, the fibers and the water for mixing and stirring at the stirring speed of 250-300r/min for stirring reaction for 7-10 min;

s4: discharging the stirred mixture into an injection mold (6) for paving and molding, and then entering a foaming mechanism (4) for sealing and high-temperature foaming and molding, wherein the foaming temperature is 850-1000 ℃, and the foaming time is 40-60min;

s5: and (3) forming the foam concrete subjected to high-temperature foaming treatment, then performing cooling treatment by using a cold area mechanism (5), wherein the cooling time is 10-25min, and removing the mould of the cooled foam concrete.

3. The equipment for preparing the self-insulation foamed concrete block by using different tailings as claimed in claim 2, which comprises a supporting base (1) and a crushing and grinding mechanism (2), a feeding and stirring mechanism (3), a foaming mechanism (4) and a cooling mechanism (5) which are sequentially arranged on the upper end surface of the supporting base (1), and is characterized in that: the upper end face of supporting base (1) still slides and is provided with injection moulding grinding apparatus (6), smash grinding mechanism (2) including first electronic slip group (11) and be used for smashing rubbing crusher structure (7) of different tailings sediment and be used for grinding the grinding mechanism (8) of disintegrating slag, reinforced rabbling mechanism (3) including support group (12) and be used for reinforced feed box (9) and be used for mixing rabbling mechanism (10), foaming mechanism (4) are including being used for heating foaming fashioned foaming box (13) and third electronic slip group (14), cooling mechanism (5) are including being used for refrigerated cooler bin (15) and fourth electronic slip group (16).

4. The apparatus for producing self-insulating foamed concrete blocks from different tailings as claimed in claim 3, wherein: the crushing mechanism (7) is arranged above the grinding mechanism (8), and the grinding mechanism (8) is adjusted in a vertical sliding mode through the first electric sliding group (11);

the crushing mechanism (7) comprises a crushing box (17), a first driving motor (18), a second driving motor (19) and crushing steel blades (20), a feeding hole (22) is formed above the crushing box (17), a partition plate (21) is vertically arranged on one side inside the crushing box (17), a placing space (23) is formed by the partition plate (21) and one side inside the crushing box (17), the first driving motor (18) and the second driving motor (19) are sequentially arranged in the placing space (23) from top to bottom, the output ends of the first driving motor (18) and the second driving motor (19) are respectively connected with one crushing steel blade (20), the upper crushing steel blade (20) and the lower crushing steel blade (20) are respectively and transversely linked to form a plurality of crushing steel blades, and the upper crushing steel blade and the lower crushing steel blade (20) are respectively and arranged in a staggered mode;

the lower terminal surface of smashing case (17) is provided with discharge passage (24), the articulated closing plate (25) that are used for sealing of discharge passage (24) that are provided with in inside one side of discharge passage (24), one side of terminal surface is articulated under closing plate (25) is provided with electric telescopic handle (26), the other end of electric telescopic handle (26) with inside being close to of discharge passage (24) one side of closing plate (25) hinged end is connected.

5. The apparatus for producing self-insulating foamed concrete blocks from different tailings as claimed in claim 4, wherein: the grinding mechanism (8) comprises a rotating roller (27), a third driving motor (28) and a support frame (29), the bottom of the third driving motor (28) is fixedly connected with the upper end face of the support frame (29), the output end of the third driving motor (28) is connected with the rotating roller (27), a plurality of grinding balls (30) are arranged inside the rotating roller (27), a second sealing plate (31) is arranged at the feeding position of the rotating roller (27) in an inwards recessed mode, and a plurality of discharge holes (32) in a circular truncated cone structure are formed in the second sealing plate (31);

support frame (29) including first backup pad (33) and second backup pad (34), first backup pad (33) with both sides between second backup pad (34) all are provided with third backup pad (35), the up end of second backup pad (34) is provided with slow motor (36), the output of slow motor (36) is connected with first gear train (37), the both sides of first backup pad (33) all rotate and are connected with fourth backup pad (38), two the lower terminal surface and two of fourth backup pad (38) the up end fixed connection of third backup pad (35), two the medial surface of fourth backup pad (38) all is provided with rotation groove (39), the both sides of first backup pad (33) through dwang (40) with rotation groove (39) rotate and connect, the lower terminal surface of first backup pad (33) be connected with the second gear train (41) that first gear train (37) meshing is connected.

6. The apparatus for producing self-insulating foamed concrete blocks from different tailings as claimed in claim 3, wherein: the feeding box (9) and the stirring mechanism (10) are supported by the supporting group (12), and the feeding box (9) is positioned above the stirring mechanism (10);

feed box (9) are used for storing miniature bin (42) of different materials including a plurality of, each the up end of miniature bin (42) all is provided with charge door (43), each the side of miniature bin (42) all is provided with first transparent window (44), the lower terminal surface of miniature bin (42) all is provided with conveying pipeline (45), each all be provided with one solenoid valve (81), a plurality of on conveying pipeline (45) the discharge gate department intercommunication of conveying pipeline (45) has one to concentrate discharging pipe (46).

7. The apparatus for producing self-insulating foamed concrete blocks from different tailings as claimed in claim 6, wherein: the stirring mechanism (10) comprises a fixed base (47), a fifth driving motor (48), a stirring barrel (49) and a stirring arm (82), wherein the upper end surface of the fixed base (47) is provided with a plurality of supporting rods (50) for supporting the stirring barrel (49), the fifth driving motor (45) is arranged on the upper end surface of the fixed base (47), and the output end of the fifth driving motor (48) extends into the stirring barrel (49) and is connected with the stirring arm (82);

the equal vertical arrangement in both sides of rabbling arm (82) has supplementary forearm (51) that a plurality of transversely set up, supplementary forearm (51) are kept away from the one end of rabbling arm (82) is provided with scraper blade (52), scraper blade (52) with agitator (49) inner wall laminating, each the lower terminal surface of supplementary forearm (51) all is provided with two cross stirring forearm (53), agitator (49) are close to smash the top of grinding mechanism (2) one side and have seted up circular arc groove (54), agitator (49) are kept away from the below of circular arc groove (54) one side is connected with row material pipe (55), it is close to on row material pipe (55) one side of agitator (49) is provided with second solenoid valve (56), the below of arranging material pipe (55) is connected with second row material pipe (57).

8. The apparatus for producing self-insulating foamed concrete blocks from different tailings as claimed in claim 3, wherein: foaming case (13) slide from top to bottom through third electric sliding group (14), the inside top of foaming case (13) is provided with fan (59), the inside middle part of foaming case (13) is provided with a plurality of heating pipe (60), the inside below of foaming board (13) is provided with baffle (61), seted up a plurality of round platform form exhaust hole (62) on baffle (61), a plurality of louvre (63) have been seted up to foaming case (13) up end.

9. The apparatus for producing self-insulating foamed concrete blocks from different tailings as claimed in claim 3, wherein: the up end that supports base (1) is provided with electronic slide rail (58), electronic slide rail (58) are used for driving injection mold (6) and are in support base (1) top lateral sliding, it is provided with sliding base (64) to slide on electronic slide rail (58), sliding base's (64) up end is provided with a plurality of locating hole (65), injection mold's (6) lower terminal surface is provided with a plurality of locating lever (66), injection mold's (6) both sides all are provided with handle (67), hidden circulation basin (68) have been seted up to injection mold (6) inside, injection mold's (6) up end seted up with hide communicating inlet opening (69) and apopore (70) in circulation basin (68), inlet opening (69) with apopore (70) be used for with cooler bin (15) intercommunication.

10. The apparatus for producing self-insulating foamed concrete blocks from different tailings as claimed in claim 9, wherein: the cooling box (15) slides up and down through the fourth electric sliding group (16), a second partition plate (71) is arranged on one side inside the cooling box (15), a second placing space (72) is formed by the second partition plate (71) and one side inside the cooling box (15), a water tank (74) is formed by the second partition plate (71) and the other side inside the cooling box (15), a refrigeration compressor (73) is placed inside the second placing space (72), the refrigeration compressor (73) extends to the inside of the water tank (74) through a refrigeration pipe (75), a water pump (76) is arranged inside the water tank (74), the water pump (76) is connected with a water conveying pipe (77), a water discharging pipe (78) is further arranged inside the water tank (74), the upper end of the water discharging pipe (78) extends to the position above the water level inside the water tank (74), the lower end of the water discharging pipe (78) extends to the lower end face of the water tank (74), the positions of the water discharging pipe (78) and the water inlet hole (69) and the position of the water outlet hole (70) correspond, a second transparent window (79) is arranged outside the water tank (74).

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