CN111470792A - Enhanced expansion anti-cracking agent and preparation method thereof - Google Patents
Enhanced expansion anti-cracking agent and preparation method thereof Download PDFInfo
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- CN111470792A CN111470792A CN202010334687.8A CN202010334687A CN111470792A CN 111470792 A CN111470792 A CN 111470792A CN 202010334687 A CN202010334687 A CN 202010334687A CN 111470792 A CN111470792 A CN 111470792A
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
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Abstract
The invention belongs to the technical field of expansion crack resistance agents, and particularly relates to an enhanced expansion crack resistance agent and a preparation method thereof, wherein the enhanced expansion crack resistance agent comprises a filter box and a bracket; the filter box is rotatably connected with the bracket through a guide rail; the end face of the right side of the bracket is fixedly connected with a motor, and the motor is electrically connected with a controller through a lead; the motor driving shaft is fixedly connected with a rotating rod; the left end face of the filter box is rotatably connected with a first conduit through a rotating shaft; a filter pipe is fixedly connected in the cavity of the filter box; the invention is mainly used for solving the problems that when some anti-cracking agents are used for concrete, the compensation of drying shrinkage and cold shrinkage in the concrete is insufficient, so that the anti-cracking and anti-permeability capabilities of the concrete are reduced, and meanwhile, in the process of manufacturing the anti-cracking agents, because raw materials cannot be completely crushed in the crushing process, when the anti-cracking agents made of raw materials containing larger particles are used, gaps among anti-cracking agent particles can be increased, so that the anti-cracking effect and the anti-permeability of the anti-cracking agents can be reduced.
Description
Technical Field
The invention belongs to the technical field of expansion crack resistance agents, and particularly relates to an enhanced expansion crack resistance agent and a preparation method thereof.
Background
Concrete is the most widely and important basic material in building engineering at present. The composite material is an irreplaceable position due to the unique characteristics of compressive strength, bonding strength, cast-in-place forming, water curing, firmness and durability and the like. However, it also has some critical drawbacks, such as: the tensile strength is low, the ultimate tensile strain is small, and cracking is easily formed during plastic shrinkage, so that the water seepage prevention capability is insufficient, and the strength index of engineering is directly hindered in severe cases. Therefore, cracking and water seepage resistance have been a long-standing problem with concrete applications. The technical scheme that at present is solved is that during construction, water reducing treatment is carried out according to the adopted cement characteristics and sand and stone characteristics in the concrete pouring process, the water cement ratio is increased to control the early expansion rate, the control on the shrinkage rate is realized, the strength reduction and leakage caused by cracks in later hardening are prevented, and the introduction of the expansion crack resistance agent can be referred to in the journal period: the concrete admixture production technology and the application of the new development academy exchange conference proceedings.2012 (04), however, some problems still exist in the current production process of the expansion crack resistance agent, and specifically include the following aspects:
when some crack resistance agents in the current market are used for concrete, the compensation of drying shrinkage and cold shrinkage in the concrete is insufficient, so that the crack resistance and permeability resistance of the concrete are reduced, meanwhile, in the process of manufacturing the crack resistance agents, because raw materials cannot be completely crushed in the crushing process, some larger particle raw materials can be remained sometimes, and when the crack resistance agents made of the larger particle raw materials are used, gaps among particles of the crack resistance agents can be increased, so that the problems of the crack resistance effect and the permeability resistance of the crack resistance agents can be reduced.
In the prior art, the solution has related cases, such as patent No. 102329093A, the patent name is a patent of a preparation method of a concrete expanding agent, the technical scheme is that 70-85% of limestone, 8-15% of white mud, 2-5% of gypsum and 2-5% of iron powder are jointly ground and calcined into expanded clinker at 1350-1450 ℃. The expansion clinker contains 12-23% of C3S, 50-70% of free CaO, 5-15% of C4AF and 5-10% of C3A. The clinker is then ground into an expanding agent together with anhydrite, metakaolin, high-alumina clinker or calcined diatomite according to a proportion. The concrete expanding agent has the disadvantages of poor weathering resistance of clinker and short storage time of the expanding agent.
In view of the above, in order to overcome the above technical problems, the present inventors designed and developed an enhanced expansion crack resistant agent and a preparation method thereof, and manufactured a special filtering and mixing device, thereby solving the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an enhanced expansion anti-cracking agent and a preparation method thereof, and the enhanced expansion anti-cracking agent is mainly used for solving the problems that when some anti-cracking agents in the current market are used for concrete, the compensation of drying shrinkage and cold shrinkage in the concrete is not enough, so that the anti-cracking and anti-seepage capabilities of the concrete are reduced, meanwhile, in the process of preparing the anti-cracking agent, because the raw materials cannot be completely crushed in the crushing process, some larger particle raw materials sometimes remain, and when the anti-cracking agent prepared from the larger particle raw materials is used, the gaps among the particles of the anti-cracking agent can be enlarged, so that the anti-cracking effect and the anti-seepage performance of the anti-cracking agent can be reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an enhanced expansion crack resistance agent; the method comprises the following raw materials:
20-25 parts of mineral powder, 15-20 parts of fly ash, 10-13 parts of sand, 15-18 parts of melon and rice stone, 10-13 parts of anhydrite, 3-5 parts of limestone, 4-7 parts of aluminum powder, 3-5 parts of ammonium chloride, 4-7 parts of anti-cracking permeability-reducing agent, 3-6 parts of additive, 5-8 parts of expanding agent and 2-3 parts of water reducing agent.
Preferably, the raw material further comprises high molecular cellulose;
the high molecular cellulose selected from the raw materials is a gel forming agent, and has stronger viscosity, the invention can compensate the drying shrinkage and cold shrinkage of the concrete in the hardening process, the fibers are uniformly dispersed in the concrete to form a disorderly support system, the directional stress of the concrete is dispersed, the occurrence and the development of early concrete plastic cracks are prevented, the crack prevention and permeability resistance of the concrete are greatly improved, the toughness of the concrete is improved, thereby prolonging the service life of the concrete, simultaneously the fiber has certain strength, the fiber is uniformly dispersed in the concrete and forms anchoring effect, it can instantly absorb certain damage energy, is beneficial to reducing the stress of concrete during plastic shrinkage and freeze thawing, meanwhile, the addition of countless fiber monofilaments can effectively hinder the segregation of aggregate, and ensure the early uniform bleeding of concrete, thereby reducing the formation of settlement cracks.
Preferably, the high molecular cellulose contains polypropylene fibers and high-strength high-modulus pva fibers;
the polypropylene fiber contained in the high molecular cellulose is a polypropylene fiber for engineering, when the anti-cracking agent prepared by the invention is added into concrete, the polypropylene fiber forms a secondary reinforcement effect in the concrete, so that expansion components are more fully exerted under the limited condition, the formed superposition effect enables the concrete to be more compact, the durability is improved, the occurrence of cracking is reduced and avoided, the fracture toughness of the concrete is improved, the high-strength high-modulus pva fiber contained in the high molecular cellulose is a high-quality fiber, the crack of the concrete caused by factors such as plastic shrinkage and temperature change can be effectively controlled, the formation and development of crack impermeability are prevented and inhibited, the bending strength, the impact strength and the anti-cracking strength of the concrete are improved, and the anti-impact, the shock resistance and the shock resistance of the concrete are effectively improved.
A preparation method of an enhanced expansion crack resistance agent comprises the following steps:
s1: taking out the sand, the melon and rice stone, the anhydrite and the limestone in the raw materials separately, removing impurities from the raw materials, sampling the raw materials after the impurity removal treatment is finished, carrying out an alkaline test, and taking out the raw materials after the test is qualified; the quality and the performance of the prepared anti-cracking agent can be improved by removing impurities from the raw materials, and the alkalinity in the raw materials can be prevented from being too high by performing an alkalinity test on the raw materials, so that the anti-cracking effect of the anti-cracking agent is reduced;
s2: sequentially putting the detected raw materials in the S1 into a crushing device, and crushing the raw materials for 30-40 minutes, wherein the crushing number of the raw materials is between 120-150 meshes; by crushing the raw materials, the mixing degree of the raw materials can be improved, so that the anti-cracking effect and the anti-seepage performance of the anti-cracking agent are indirectly improved;
s3: when the raw material in the S2 is crushed for 10-15 minutes, sequentially putting the mineral powder and the fly ash aluminum powder in the raw material into a crushing device for crushing and mixing, and taking out the raw material in the crushing device for later use after crushing; the raw materials can be fully mixed with the crushed raw materials by adding the raw materials into the crushing device, so that the cracking resistance effect of the cracking resistance agent is prevented from being reduced due to insufficient mixing of the raw materials;
s4: putting the crushed raw materials in the step S3 into a filtering and mixing device for filtering and mixing, and after the raw materials in the mixing device are filtered and screened, sequentially putting ammonium chloride, an anti-cracking and anti-seepage agent, an expanding agent and a water reducing agent in the raw materials into the filtering and mixing device; the raw materials are put into the filtering and mixing device for filtering and mixing, so that larger particles in the raw materials can be separated out, the phenomenon that the mixing degree among the raw materials is influenced because the overlarge particles exist in the raw materials is prevented, and the performance of the anti-cracking agent can be improved by adding the raw materials into the filtering and mixing device;
s5: after the raw materials in the S4 are mixed, taking out the raw materials in the filtering and mixing device, putting the raw materials into a sealed container, and adding a proper amount of preservative into the container to obtain the enhanced expansion anti-cracking agent; the storage time of the raw materials can be improved by adding a preservative to the mixed raw materials.
Preferably, the filtering and mixing device comprises a filtering tank and a bracket; the filter box is rotatably connected with the bracket through a guide rail; the end face of the right side of the bracket is fixedly connected with a motor, and the motor is electrically connected with a controller through a lead; the motor driving shaft is fixedly connected with a rotating rod, and the other end of the rotating rod is fixedly connected with the end face of the right side of the filter box; the left end face of the filter box is rotatably connected with a first conduit through a rotating shaft, and the other end of the first conduit is fixedly connected with the left end face of the bracket; a filter pipe is fixedly connected in the cavity of the filter box, and the filter pipe is designed in an inclined manner; uniformly distributed filter holes are formed in the inner wall of the filter pipe; the inner surface of the filter pipe is fixedly connected with a spiral strip in the inner wall of the filter pipe; the end face of the right side of the filter pipe extends out of the filter box; the end face of the right side of the filter pipe is fixedly connected with a feed pipe, and the top of the feed pipe is fixedly connected with a top cover; the left end surfaces of the filter pipes correspond to the first guide pipes; a grinding box is fixedly connected to the end face of the left side of the bracket below the first guide pipe; an air pump is fixedly connected in the grinding box; a second conduit is fixedly connected in the inner wall of the grinding box and is communicated with the first conduit; a third conduit is fixedly connected in the inner wall of the grinding box at the left side of the second conduit, and the other end of the third conduit is communicated with the first conduit; the inner surface of the filter box is fixedly connected with first stirring plates which are uniformly arranged in the inner wall of the filter pipe, and the first stirring plates are all designed in an inclined manner; first filter tanks which are uniformly distributed are arranged in the inner wall of each first stirring plate; a second stirring plate is fixedly connected between every two first stirring plates, and a second filtering groove is formed in the inner wall of each second stirring plate; a discharge port is formed in the inner wall of the filter box, and a control valve is installed in the discharge port;
when the anti-cracking agent works, raw materials of the anti-cracking agent in the prior art can not be completely crushed in the crushing process, some larger particle raw materials can be remained in some cases, when the anti-cracking agent prepared from the larger particle raw materials is used, gaps among particles of the anti-cracking agent can be enlarged, so that the anti-cracking effect and the anti-seepage performance of the anti-cracking agent can be reduced, and because some larger particle raw materials can not be completely mixed in the mixing process, the anti-cracking performance of the anti-cracking agent is weakened. At the moment, the top cover of the feeding pipe is closed and the motor is controlled to rotate, the rotating rod can be driven to rotate in the rotating process of the motor, the rotating rod is fixedly connected with the filter box, so that the filter box can be driven to rotate, raw materials in the feeding pipe roll down into the filter pipe due to the fact that the rotating force is applied to the raw materials in the rotating process of the filter box, the filter pipe is fixedly connected with the filter box, so that the filter pipe can be driven to rotate, the raw materials can be driven to turn over in the filter pipe in the rotating process of the filter pipe, the filter pipe is designed in an inclined mode, filter holes are uniformly distributed in the inner wall of the filter pipe, the raw materials in the filter pipe roll towards the lower end of the filter pipe in the rotating process of the filter pipe, raw material particles with normal sizes can fall into a cavity of the filter box through the filter holes in the rolling process of the raw materials, the particles with larger sizes continue to, thereby, the raw materials can be pushed to roll, the raw materials are prevented from being accumulated in the filter pipes, when larger particles roll into the first guide pipes, the raw materials in the first guide pipes can fall into the grinding box through the second guide pipes, the raw materials falling into the grinding box are ground again, after all the raw materials are ground, the controller controls the air pump to blow air at the moment, the ground raw materials can be blown into the filter pipes through the third guide pipes in the air pump blowing process, the raw materials blown into the filter pipes can fall into the filter boxes from the uniformly arranged filter holes, the air pump continues to blow air at the moment, air flow can flow into the filter pipes through the third guide pipes, the air flowing into the filter pipes can be blown into the filter boxes through the uniformly arranged filter holes, the raw materials in the filter boxes can be blown in the process, the mixing degree between the raw materials can be improved, and the first stirring plates uniformly arranged are fixedly connected in the inner walls of the filter boxes, and all seted up first filter-tank in the first stirring inboard wall, drive the diffusion degree that the raw materials pivoted in-process can improve the raw materials at the rose box to can improve the mixed degree of raw materials, because link firmly the second stirring board of evenly arranging in the rose box inner wall, and set up the second filter-tank in the second stirring inboard wall, thereby can further improve the mixed degree between the raw materials, controller accuse control valve opens and emits the raw materials after the raw materials mixes.
Preferably, the upper surface of each second stirring plate is fixedly connected with a baffle at the two sides of the second stirring plate; round rods which are uniformly distributed are fixedly connected between the two baffles, and the number of the round rods is two; the outer surfaces of the two round rods are rotatably connected with rotating plates which are uniformly arranged; the rotating blades of each rotating plate are provided with uniformly arranged contacts; each contact is in telescopic design;
when the device works, the upper surface of the second stirring plate is fixedly connected with round rods which are uniformly arranged through the baffle, the outer surfaces of the round rods are rotatably connected with rotating plates which are uniformly arranged, in the rotating process of the filter box, the rotating plates can rotate due to the impact force of raw materials, the raw materials can be impacted in the rotating process of the rotating plates, the raw materials can be beaten away in the process, so that the raw materials can be prevented from being accumulated in the filter box, meanwhile, the diffusion degree of the raw materials can be improved, so that the mixing degree of the raw materials is further improved, because the rotating blades of each rotating plate are provided with uniformly arranged contacts which are designed in a telescopic manner, the rotating plates can drive the contacts to rotate in the rotating process, the raw materials can be overturned in the rotating process of the contacts, so that the mixing degree between the raw materials can be improved, and meanwhile, the second filter tank can be dredged, thereby preventing the accumulation of the raw material in the second filtering tank.
The invention has the following beneficial effects:
1. the invention adds the polymer cellulose which is a gel forming agent, and because of strong viscosity, the invention can compensate the drying shrinkage and cold shrinkage of the concrete in the hardening process, the fiber is uniformly dispersed in the concrete to form a disorientation supporting system, the directional stress of the concrete is dispersed, the occurrence and development of early concrete plastic crack are prevented, the crack resistance and impermeability of the concrete are greatly improved, the toughness of the concrete is improved, the service life of the concrete is prolonged, meanwhile, the fiber has certain strength, the fiber is uniformly dispersed in the concrete and forms anchoring effect, the fiber can instantly absorb certain damage energy, the stress of the concrete in plastic shrinkage and freeze thawing can be reduced, simultaneously, the addition of countless fiber monofilaments can effectively hinder the segregation of aggregate, and the early uniform bleeding property of the concrete is ensured, thereby reducing the formation of settling cracks.
2. According to the invention, by arranging the rotating plate, in the rotating process of the filter box, the rotating plate can rotate due to the impact force of the raw materials, the raw materials can be impacted in the rotating process of the rotating plate, the raw materials can be scattered in the process, so that the raw materials can be prevented from being accumulated in the filter box, and meanwhile, the diffusion degree of the raw materials can be improved, so that the mixing degree of the raw materials is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front view of the filtering and mixing device of the present invention;
FIG. 3 is a cross-sectional view of the filtering and mixing device of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
in the figure: the device comprises a filter box 1, a first conduit 11, a filter pipe 12, a filter hole 13, a spiral strip 14, a feed pipe 15, a top cover 16, a grinding box 17, an air pump 18, a second conduit 19, a third conduit 191, a first stirring plate 192, a first filter tank 193, a second stirring plate 194, a second filter tank 195, a discharge hole 196, a baffle 197, a rotating plate 198, a contact 199, a bracket 2, a motor 21 and a rotating rod 22.
Detailed Description
A cordyceps militaris polypeptide according to an embodiment of the present invention is described below with reference to FIGS. 1 to 4.
As shown in fig. 1-4, an enhanced expansion crack inhibitor according to the present invention; the method comprises the following raw materials:
20-25 parts of mineral powder, 15-20 parts of fly ash, 10-13 parts of sand, 15-18 parts of melon and rice stone, 10-13 parts of anhydrite, 3-5 parts of limestone, 4-7 parts of aluminum powder, 3-5 parts of ammonium chloride, 4-7 parts of anti-cracking permeability-reducing agent, 3-6 parts of additive, 5-8 parts of expanding agent and 2-3 parts of water reducing agent.
In one embodiment of the present invention, the raw material further comprises polymeric cellulose;
the high molecular cellulose selected from the raw materials is a gel forming agent, and has stronger viscosity, the invention can compensate the drying shrinkage and cold shrinkage of the concrete in the hardening process, the fibers are uniformly dispersed in the concrete to form a disorderly support system, the directional stress of the concrete is dispersed, the occurrence and the development of early concrete plastic cracks are prevented, the crack prevention and permeability resistance of the concrete are greatly improved, the toughness of the concrete is improved, thereby prolonging the service life of the concrete, simultaneously the fiber has certain strength, the fiber is uniformly dispersed in the concrete and forms anchoring effect, it can instantly absorb certain damage energy, is beneficial to reducing the stress of concrete during plastic shrinkage and freeze thawing, meanwhile, the addition of countless fiber monofilaments can effectively hinder the segregation of aggregate, and ensure the early uniform bleeding of concrete, thereby reducing the formation of settlement cracks.
In one embodiment of the invention, the polymeric cellulose contains polypropylene fibers and high-strength high-modulus pva fibers;
the polypropylene fiber contained in the high molecular cellulose is a polypropylene fiber for engineering, when the anti-cracking agent prepared by the invention is added into concrete, the polypropylene fiber forms a secondary reinforcement effect in the concrete, so that expansion components are more fully exerted under the limited condition, the formed superposition effect enables the concrete to be more compact, the durability is improved, the occurrence of cracking is reduced and avoided, the fracture toughness of the concrete is improved, the high-strength high-modulus pva fiber contained in the high molecular cellulose is a high-quality fiber, the crack of the concrete caused by factors such as plastic shrinkage and temperature change can be effectively controlled, the formation and development of crack impermeability are prevented and inhibited, the bending strength, the impact strength and the anti-cracking strength of the concrete are improved, and the anti-impact, the shock resistance and the shock resistance of the concrete are effectively improved.
A preparation method of an enhanced expansion crack resistance agent comprises the following steps:
s1: taking out the sand, the melon and rice stone, the anhydrite and the limestone in the raw materials separately, removing impurities from the raw materials, sampling the raw materials after the impurity removal treatment is finished, carrying out an alkaline test, and taking out the raw materials after the test is qualified; the quality and the performance of the prepared anti-cracking agent can be improved by removing impurities from the raw materials, and the alkalinity in the raw materials can be prevented from being too high by performing an alkalinity test on the raw materials, so that the anti-cracking effect of the anti-cracking agent is reduced;
s2: sequentially putting the detected raw materials in the S1 into a crushing device, and crushing the raw materials for 30-40 minutes, wherein the crushing number of the raw materials is between 120-150 meshes; by crushing the raw materials, the mixing degree of the raw materials can be improved, so that the anti-cracking effect and the anti-seepage performance of the anti-cracking agent are indirectly improved;
s3: when the raw material in the S2 is crushed for 10-15 minutes, sequentially putting the mineral powder and the fly ash aluminum powder in the raw material into a crushing device for crushing and mixing, and taking out the raw material in the crushing device for later use after crushing; the raw materials can be fully mixed with the crushed raw materials by adding the raw materials into the crushing device, so that the cracking resistance effect of the cracking resistance agent is prevented from being reduced due to insufficient mixing of the raw materials;
s4: putting the crushed raw materials in the step S3 into a filtering and mixing device for filtering and mixing, and after the raw materials in the mixing device are filtered and screened, sequentially putting ammonium chloride, an anti-cracking and anti-seepage agent, an expanding agent and a water reducing agent in the raw materials into the filtering and mixing device; the raw materials are put into the filtering and mixing device for filtering and mixing, so that larger particles in the raw materials can be separated out, the phenomenon that the mixing degree among the raw materials is influenced because the overlarge particles exist in the raw materials is prevented, and the performance of the anti-cracking agent can be improved by adding the raw materials into the filtering and mixing device;
s5: after the raw materials in the S4 are mixed, taking out the raw materials in the filtering and mixing device, putting the raw materials into a sealed container, and adding a proper amount of preservative into the container to obtain the enhanced expansion anti-cracking agent; the storage time of the raw materials can be improved by adding a preservative to the mixed raw materials.
As an embodiment of the present invention, wherein the filtering and mixing device includes a filtering tank 1 and a bracket 2; the filter box 1 is rotatably connected with the bracket 2 through a guide rail; the end face of the right side of the bracket 2 is fixedly connected with a motor 21, and the motor 21 is electrically connected with a controller through a lead; a rotating rod 22 is fixedly connected to a driving shaft of the motor 21, and the other end of the rotating rod 22 is fixedly connected with the end face of the right side of the filter box 1; the left end face of the filter box 1 is rotatably connected with a first conduit 11 through a rotating shaft, and the other end of the first conduit 11 is fixedly connected with the left end face of the bracket 2; a filter pipe 12 is fixedly connected in the cavity of the filter box 1, and the filter pipe 12 is designed to be inclined; the inner wall of the filtering pipe 12 is provided with uniformly arranged filtering holes 13; the inner surface of the filtering pipe 12 is fixedly connected with a spiral strip 14 in the inner wall of the filtering pipe 12; the end face of the right side of the filter pipe 12 extends out of the filter box 1; a feeding pipe 15 is fixedly connected to the end face of the right side of the filtering pipe 12, and a top cover 16 is fixedly connected to the top of the feeding pipe 15; the left end faces of the filter pipes 12 correspond to the first guide pipe 11; a grinding box 17 is fixedly connected to the left end face of the support 2 below the first guide pipe 11; an air pump 18 is fixedly connected in the grinding box 17; a second conduit 19 is fixedly connected in the inner wall of the grinding box 17, and the second conduit 19 is communicated with the first conduit 11; a third conduit 191 is fixedly connected in the inner wall of the grinding box 17 at the left side of the second conduit 19, and the other end of the third conduit 191 is communicated with the first conduit 11; the inner surface of the filter box 1 is fixedly connected with first stirring plates 192 which are uniformly arranged in the inner wall of the filter pipe 12, and the first stirring plates 192 are all designed in an inclined manner; first filter tanks 193 which are uniformly distributed are arranged in the inner wall of each first stirring plate 192; a second stirring plate 194 is fixedly connected between every two first stirring plates 192, and a second filtering groove 195 is formed in the inner wall of each second stirring plate 194; a discharge hole 196 is formed in the inner wall of the filter box 1, and a control valve is arranged in the discharge hole 196;
during working, raw materials of the anti-cracking agent in the prior art can not be completely crushed in the crushing process, some larger particle raw materials can be remained in some cases, when the anti-cracking agent prepared from the larger particle raw materials is used, gaps among particles of the anti-cracking agent can be enlarged, so that the anti-cracking effect and the anti-seepage performance of the anti-cracking agent can be reduced, and because some larger particle raw materials can not be completely mixed in the mixing process, the anti-cracking performance of the anti-cracking agent is weakened, the anti-cracking agent is prepared, the larger particles existing in the raw materials can be separated by using a filtering device in the mixing process, the larger particles are crushed by a grinding device, the mixing degree among the raw materials can be improved in the process, so that the performance of the anti-cracking agent is improved, when the raw materials need to be filtered and mixed, the raw materials are firstly put into a feeding pipe 15, at this time, the top cover 16 of the feeding pipe 15 is closed and the motor 21 is controlled to rotate, the rotating rod 22 can be driven to rotate in the rotating process of the motor 21, the rotating rod 22 is fixedly connected with the filter box 1, so that the filter box 1 can be driven to rotate, raw materials in the feeding pipe 15 roll down into the filter pipe 12 due to the overturning force in the rotating process of the filter box 1, the filter pipe 12 is fixedly connected with the filter box 1, so that the filter pipe 12 can be driven to rotate, the raw materials can be driven to overturn in the filter pipe 12 in the rotating process of the filter pipe 12, the filter pipe 12 is designed to be inclined, and the inner wall of the filter pipe 12 is provided with uniformly arranged filter holes 13, in the rotating process of the filter pipe 12, the raw materials in the filter pipe 12 roll towards the lower end of the filter pipe 12, and raw material particles with normal size can fall into the cavity of the filter box 1 through the filter holes 13 in the rolling process, the particles with larger size continuously roll to the lower part of the filter pipe 12, the spiral strip 14 is fixedly connected in the filter pipe 12, so that the raw material can be pushed to roll, the raw material is prevented from being accumulated in the filter pipe 12, when the larger particles roll to the first pipe 11, the raw material in the first pipe 11 can fall into the grinding box 17 through the second pipe 19, the raw material falling into the grinding box 17 is ground again, after all the raw material is ground, the controller controls the air pump 18 to blow air at the moment, the ground raw material can be blown into the filter pipe 12 through the third pipe 191 in the air blowing process of the air pump 18, the raw material blown into the filter pipe 12 can fall into the filter box 1 from the uniformly arranged filter holes 13, the air blowing of the air pump 18 is continued at the moment, the air flow can flow into the filter pipe 12 through the third pipe 191, the air flowing into the filter pipe 12 is blown into the filter box 1 through the uniformly arranged filter holes 13, can blow the raw materials in the rose box 1 at this in-process, thereby can improve the mixed degree between the raw materials, because link firmly first stirring board 192 of evenly arranging in the rose box 1 inner wall, and first filter-tank 193 has all been seted up in the first stirring board 192 inner wall, can improve the diffusion degree of raw materials at rose box 1 drive raw materials pivoted in-process, thereby can improve the mixed degree of raw materials, because link firmly the second stirring board 194 of evenly arranging in the rose box 1 inner wall, and be equipped with second filter-tank 195 in the second stirring board 194 inner wall, thereby can further improve the mixed degree between the raw materials, controller accuse control valve opens and emits the raw materials after the raw materials mixes.
As an embodiment of the present invention, the upper surface of each second stirring plate 194 is fixedly connected with a baffle 197 at two sides of the second stirring plate 194; round rods which are uniformly arranged are fixedly connected between the two baffle plates 197, and the number of the round rods is two; the outer surfaces of the two round rods are rotatably connected with rotating plates 198 which are uniformly arranged; the rotating blades of each rotating plate 198 are provided with evenly arranged contacts 199; each of the contacts 199 is of a telescoping design;
during operation, the upper surface of the second stirring plate 194 is fixedly connected with round rods which are uniformly arranged through the baffle 197, the outer surfaces of the round rods are rotatably connected with the rotating plates 198 which are uniformly arranged, in the rotating process of the filter box 1, the rotating plates 198 can rotate due to the impact force of raw materials, the raw materials can be impacted in the rotating process of the rotating plates 198, the raw materials can be beaten away in the process, the raw materials can be prevented from being accumulated in the filter box 1, meanwhile, the diffusion degree of the raw materials can be improved, the mixing degree of the raw materials is further improved, because the rotating blades of each rotating plate 198 are provided with the contacts 199 which are uniformly arranged, and the contacts 199 are both in telescopic design, the rotating plates 198 can drive the contacts 199 to rotate in the rotating process, the raw materials can be overturned in the rotating process of the contacts 199, the mixing degree between the raw materials can be improved, and meanwhile, the second filter tank 195 can be dredged, thereby preventing the accumulation of the raw material in the second filtering tank 195.
The specific working process is as follows:
when the filter box is in work, when raw materials need to be filtered and mixed, the raw materials are firstly put into the feeding pipe 15, the top cover 16 of the feeding pipe 15 is closed and the motor 21 is controlled to rotate at the moment, the rotating rod 22 can be driven to rotate in the rotating process of the motor 21, the rotating rod 22 is fixedly connected with the filter box 1, so that the filter box 1 can be driven to rotate, the raw materials in the feeding pipe 15 roll down into the filter pipe 12 due to the fact that the raw materials in the rotating process of the filter box 1 are subjected to overturning force, the filter pipe 12 is fixedly connected with the filter box 1 and can drive the filter pipe 12 to rotate, the raw materials can be driven to turn over in the filter pipe 12 in the rotating process of the filter pipe 12, the filter pipe 12 is designed in an inclined mode, the inner wall of the filter pipe 12 is provided with uniformly-arranged filter holes 13, in the rotating process of the filter pipe 12, the raw materials in the filter pipe 12 roll towards the lower end of the filter pipe 12, and raw material particles with normal sizes can In the filter box, the larger particles continue to roll towards the lower part of the filter tube 12, the spiral strip 14 is fixedly connected in the filter tube 12, so that the raw materials can be pushed to roll, the raw materials are prevented from being accumulated in the filter tube 12, when the larger particles roll into the first conduit 11, the raw materials in the first conduit 11 can fall into the grinding box 17 through the second conduit 19, the raw materials falling into the grinding box 17 are ground again, after all the raw materials are ground, the controller controls the air pump 18 to blow air at the moment, the ground raw materials can be blown into the filter tube 12 through the third conduit 191 in the air blowing process of the air pump 18, the raw materials blown into the filter tube 12 can fall into the filter box 1 from the uniformly arranged filter holes 13, at the moment, the air blowing of the air pump 18 continues, the air flow can flow into the filter tube 12 through the third conduit 191, the air flowing into the filter tube 12 is blown into the filter box 1 through the uniformly arranged filter holes 13, can blow the raw materials in the rose box 1 at this in-process, thereby can improve the mixed degree between the raw materials, because linked firmly first stirring board 192 of evenly arranging in the rose box 1 inner wall, and first filter tank 193 has all been seted up in the first stirring board 192 inner wall, can improve the diffusion degree of raw materials at rose box 1 drive raw materials pivoted in-process, because linked firmly the second stirring board 194 of evenly arranging in the rose box 1 inner wall, and be equipped with second filter tank 195 in the second stirring board 194 inner wall, controller control valve opens and emits the raw materials after the raw materials mixes.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An enhanced expansion crack resistance agent is characterized in that: the method comprises the following raw materials:
20-25 parts of mineral powder, 15-20 parts of fly ash, 10-13 parts of sand, 15-18 parts of melon and rice stone, 10-13 parts of anhydrite, 3-5 parts of limestone, 4-7 parts of aluminum powder, 3-5 parts of ammonium chloride, 4-7 parts of anti-cracking permeability-reducing agent, 3-6 parts of additive, 5-8 parts of expanding agent and 2-3 parts of water reducing agent.
2. The enhanced expansion crack resistance agent as claimed in claim 1, wherein: the raw material also comprises high molecular cellulose.
3. The enhanced expansion crack resistance agent as claimed in claim 1, wherein: the high molecular cellulose contains polypropylene fiber and high-strength high-modulus pva fiber.
4. A preparation method of an enhanced expansion crack resistance agent is characterized by comprising the following steps: the production method is suitable for the enhanced expansion crack resistance agent of any one of claims 1 to 3, and comprises the following steps:
s1: taking out the sand, the melon and rice stone, the anhydrite and the limestone in the raw materials separately, removing impurities from the raw materials, sampling the raw materials after the impurity removal treatment is finished, carrying out an alkaline test, and taking out the raw materials after the test is qualified;
s2: sequentially putting the detected raw materials in the S1 into a crushing device, and crushing the raw materials for 30-40 minutes, wherein the crushing number of the raw materials is between 120-150 meshes;
s3: when the raw material in the S2 is crushed for 10-15 minutes, sequentially putting the mineral powder and the fly ash aluminum powder in the raw material into a crushing device for crushing and mixing, and taking out the raw material in the crushing device for later use after crushing;
s4: putting the crushed raw materials in the step S3 into a filtering and mixing device for filtering and mixing, and after the raw materials in the mixing device are filtered and screened, sequentially putting ammonium chloride, an anti-cracking and anti-seepage agent, an expanding agent and a water reducing agent in the raw materials into the filtering and mixing device;
s5: and (5) after the raw materials in the S4 are mixed, taking out the raw materials in the filtering and mixing device, filling the raw materials into a sealed container, and adding a proper amount of preservative into the container to obtain the enhanced expansion anti-cracking agent.
5. The preparation method of the enhanced expansion crack resistance agent according to claim 4, wherein the expansion crack resistance agent comprises the following steps: wherein the filtering and mixing device comprises a filtering box (1) and a bracket (2); the filter box (1) is rotatably connected with the bracket (2) through a guide rail; the motor (21) is fixedly connected to the end face of the right side of the support (2), and the motor (21) is electrically connected with the controller through a lead; a rotating rod (22) is fixedly connected to a driving shaft of the motor (21), and the other end of the rotating rod (22) is fixedly connected with the end face of the right side of the filter box (1); the left end face of the filter box (1) is rotatably connected with a first conduit (11) through a rotating shaft, and the other end of the first conduit (11) is fixedly connected with the left end face of the bracket (2); a filter pipe (12) is fixedly connected in the cavity of the filter box (1), and the filter pipe (12) is designed to be inclined; the inner wall of the filtering pipe (12) is provided with uniformly arranged filtering holes (13); the inner surface of the filtering pipe (12) is fixedly connected with a spiral strip (14) in the inner wall of the filtering pipe (12); the end surface of the right side of the filter pipe (12) extends out of the filter box (1); a feeding pipe (15) is fixedly connected to the end face of the right side of the filtering pipe (12), and a top cover (16) is fixedly connected to the top of the feeding pipe (15); the left end faces of the filter pipes (12) correspond to the first guide pipes (11); a grinding box (17) is fixedly connected to the left end face of the bracket (2) below the first guide pipe (11); an air pump (18) is fixedly connected in the grinding box (17); a second conduit (19) is fixedly connected in the inner wall of the grinding box (17), and the second conduit (19) is communicated with the first conduit (11); a third conduit (191) is fixedly connected in the inner wall of the grinding box (17) at the left side of the second conduit (19), and the other end of the third conduit (191) is communicated with the first conduit (11); the inner surface of the filter box (1) is fixedly connected with first stirring plates (192) which are uniformly arranged in the inner wall of the filter pipe (12), and the first stirring plates (192) are all designed in an inclined manner; first filter tanks (193) which are uniformly distributed are arranged in the inner wall of each first stirring plate (192); a second stirring plate (194) is fixedly connected between every two first stirring plates (192), and a second filtering groove (195) is formed in the inner wall of each second stirring plate (194); a discharge hole (196) is formed in the inner wall of the filter box (1), and a control valve is installed in the discharge hole (196).
6. The preparation method of the enhanced expansion crack resistance agent according to claim 5, wherein the expansion crack resistance agent comprises the following steps: the upper surface of each second stirring plate (194) is fixedly connected with a baffle (197) at the two sides of the second stirring plate (194); round rods which are uniformly arranged are fixedly connected between the two baffle plates (197), and the number of the round rods is two; the outer surfaces of the two round rods are rotatably connected with rotating plates (198) which are uniformly arranged; the rotating blades of each rotating plate (198) are provided with uniformly arranged contacts (199); each of the contacts (199) is of a telescopic design.
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Effective date of registration: 20221025 Address after: Group 11, Fuxian Village, Simen Front Town, Longhui County, Shaoyang City, Hunan Province, 422000 (Shanbeilong) Applicant after: Hunan Chenyao New Building Materials Co.,Ltd. Address before: 230000 room 103, University Science Park, Huangshan Road, high tech Zone, Hefei, Anhui Applicant before: Shen Lulu |
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