CN114524640B - Concrete with high-performance impermeability, preparation method and equipment thereof - Google Patents
Concrete with high-performance impermeability, preparation method and equipment thereof Download PDFInfo
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- CN114524640B CN114524640B CN202210166525.7A CN202210166525A CN114524640B CN 114524640 B CN114524640 B CN 114524640B CN 202210166525 A CN202210166525 A CN 202210166525A CN 114524640 B CN114524640 B CN 114524640B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention relates to the technical field of concrete processing, and particularly discloses concrete with high-performance impermeability, a preparation method and equipment thereof, wherein the concrete comprises, by weight, 300-400 parts of broken stone, 220-320 parts of cement, 80-120 parts of fly ash, 60-80 parts of quartz sand, 10-15 parts of titanium nitride powder, 50-60 parts of calcium carbonate powder, 10-13 parts of alumina fiber, 8-12 parts of hydroxypropyl starch ether, 8-10 parts of a water reducing agent, 0.5-1 part of an air entraining material, 3-8 parts of microporous sintered particles, 5-8 parts of magnesium oxide, 1-5 parts of zinc stearate and 110-150 parts of water. The invention has the characteristics of higher automation degree, better use convenience and higher processing efficiency.
Description
Technical Field
The invention relates to the technical field of concrete processing, in particular to concrete with high-performance impermeability, a preparation method and equipment thereof.
Background
The impervious concrete refers to concrete with impervious grade equal to or more than P6 grade, the impervious concrete is divided into 5 grades of P6, P8, P10, P12 and more than P12 according to different impervious pressure, and the impervious concrete reduces a permeation channel and improves the impervious property by improving the compactness of the concrete and improving the pore structure.
The common method is to mix air-entraining admixture to generate non-communicated bubbles in the concrete, cut off the capillary channel and change the pore structure, thereby improving the impermeability of the concrete; in addition, the construction quality can be ensured by reducing the water cement ratio and selecting cement of proper variety and strength grade, and especially attention is paid to compaction by vibration, sufficient maintenance and the like, so that the cement mortar has an important effect on improving the impermeability.
Because need smash and weigh various raw materialss in the course of working of concrete, lead to the great reduction of efficiency of work, all need smash earlier then in the inside of adding the agitator tank body in proper order to various materials, need be according to certain order at the in-process that adds, traditional equipment can not satisfy the demand of using, leads to the great reduction of efficiency of processing.
Disclosure of Invention
The invention aims to solve the technical problems in the existing concrete processing process, and provides concrete with high automation degree, good use convenience and high processing efficiency and high performance impermeability, a preparation method and equipment thereof.
The first technical scheme of the invention is as follows: a concrete with high-performance impermeability comprises the following components in parts by weight,
300-400 parts of broken stone, 220-320 parts of cement, 80-120 parts of fly ash, 60-80 parts of quartz sand, 10-15 parts of titanium nitride powder, 50-60 parts of calcium carbonate powder, 10-13 parts of alumina fiber, 8-12 parts of hydroxypropyl starch ether, 8-10 parts of water reducing agent, 0.5-1 part of air entraining material, 3-8 parts of microporous sintered particles, 5-8 parts of magnesium oxide, 1-5 parts of zinc stearate and 110-150 parts of water. According to the invention, a proper amount of air entraining material is added into the traditional concrete raw material, so that the plasticity of the concrete can be improved, and the prepared concrete has better durability; according to the invention, by adding a proper amount of microporous sintered particles, the loose and porous microporous sintered particles have the effect of activated carbon, and can absorb redundant air so as to reduce air in concrete and improve the impermeability of the concrete; the microporous sintered particles can also effectively adsorb water, and the water can be slowly released in the concrete solidification process, so that the internal humidity of the concrete can be kept to facilitate the solidification of the concrete, the impermeability of the concrete can be improved, and the problems of concrete collapse, flowability and the like can be effectively solved; in the invention, a proper amount of substances are cooperatively matched and mutually supplemented in performance, so that the finally prepared concrete finished product has good durability and impermeability.
Preferably, the composition comprises the following components in parts by weight,
330 to 370 parts of broken stone, 250 to 300 parts of cement, 90 to 110 parts of fly ash, 65 to 75 parts of quartz sand, 11 to 14 parts of titanium nitride powder, 53 to 68 parts of calcium carbonate powder, 11 to 12 parts of alumina fiber, 9 to 11 parts of hydroxypropyl starch ether, 8.5 to 9.5 parts of water reducing agent, 0.6 to 0.8 part of air entraining material, 4 to 7 parts of micropore sintering particles, 6 to 7 parts of magnesium oxide, 2 to 4 parts of zinc stearate and 120 to 140 parts of water.
Preferably, the composition comprises the following components in parts by weight,
350 parts of broken stone, 280 parts of cement, 100 parts of fly ash, 70 parts of quartz sand, 13 parts of titanium nitride powder, 60 parts of calcium carbonate powder, 11.5 parts of alumina fiber, 10 parts of hydroxypropyl starch ether, 9 parts of water reducing agent, 0.7 part of air entraining material, 5 parts of microporous sintered particles, 6.5 parts of magnesium oxide, 3 parts of zinc stearate and 130 parts of water. The proportion is further adjusted in the original ingredients, the prepared concrete is dried, the durability is better, the adsorbability of the micropore sintering particles is stronger, the air in the concrete can be better reduced, and the impermeability of the concrete is improved.
Preferably, the water reducing agent consists of the following raw materials in parts by weight,
2-6 parts of polycarboxylic acid water reducing agent, 4-5 parts of potassium sulfite and 1-3 parts of polyacrylamide. The water reducing agent formed by reasonably proportioning various substances can promote the toughness of the micropore sintering particles to be further enhanced, and the bending resistance degree of the concrete finished product is improved.
Preferably, the water reducing agent consists of the following raw materials in parts by weight,
3 to 5 portions of polycarboxylic acid water reducing agent, 4.2 to 4.8 portions of potassium sulfite and 1.5 to 2.5 portions of polyacrylamide.
Preferably, the water reducing agent consists of the following raw materials in parts by weight,
4 parts of polycarboxylic acid water reducing agent, 4.5 parts of potassium sulfite and 2 parts of polyacrylamide.
Preferably, the microporous sintered particles are composed of the following raw materials in parts by weight,
1 to 1.5 portions of bentonite, 2.5 to 4.5 portions of nano silicon dioxide powder and 0.5 to 0.8 portion of starch. In the preparation process of the microporous sintered particles, the mass ratio of the bentonite, the nano silicon dioxide and the starch can influence the impermeability and the mechanical property of the concrete, and the impermeability of the concrete can be effectively improved; the microporous sintered particles prepared from the bentonite, the nano silicon dioxide and the starch in proper parts can also effectively adsorb water, the water can be slowly released in the concrete solidification process, and the internal humidity of the concrete is kept so as to be beneficial to the solidification of the concrete.
Preferably, the microporous sintered particles are composed of the following raw materials in parts by weight,
1.3 parts of bentonite, 3 parts of nano silicon dioxide powder and 0.6 part of starch. The microporous sintered particles prepared from the bentonite, the nano silicon dioxide and the starch in limited parts can better improve the impermeability and the durability of concrete.
Preferably, the preparation of the microporous sintered particles comprises the steps of,
(a) Weighing appropriate parts of bentonite, nano silicon dioxide powder and starch, and placing the bentonite, the nano silicon dioxide powder and the starch in a sintering container;
(b) Mixing the materials in the sintering container in the step (a), and sintering at the temperature of 1000-1200 ℃ to obtain a sintered body with a micropore structure;
(c) And (c) crushing the sintered body with the micropore structure in the step (b) to obtain micropore sintered particles.
The loose and porous micropore sintering particles prepared by the method have better active carbon effect, can absorb redundant air to reduce the air in the concrete and improve the impermeability of the concrete; the microporous sintered particles prepared by the invention can effectively adsorb moisture, and the moisture can be slowly released in the concrete solidification process, so that the internal humidity of the concrete can be kept to facilitate the solidification of the concrete, and the impermeability of the concrete can be improved.
The second technical scheme of the invention is as follows: a method for preparing concrete with high-performance impermeability comprises the following steps,
(S01) placing the microporous sintered particles in a crushing box on a supporting arm of the crushing box;
(S02) starting a crushing mechanism in the crushing box to further crush the microporous sintered particles in the crushing box;
(S03) weighing the further crushed microporous sintered particles by a pressure scale, and transferring the weighed microporous sintered particles into a stirring box;
(S04) adding acid into the stirring box body through a water feeding mechanism, and soaking the microporous sintered particles;
(S05) taking a proper amount of crushed stone, cement, fly ash, quartz sand, titanium nitride powder, calcium carbonate powder, alumina fiber, hydroxypropyl starch ether, a water reducing agent, an air entraining material, microporous sintered particles, magnesium oxide and zinc stearate, respectively adding the materials into corresponding crushing boxes, and starting a crushing mechanism to crush the added corresponding materials;
(S06) weighing the corresponding materials crushed in the step (S05) by a pressure scale, and transferring the materials into the stirring box body in the step (S04);
and (S07) conveying the T-shaped stirring pushing teeth on the stirring piece and the cross-shaped stirring piece to stir the mixture in the stirring box body in the step (S06), adding a proper amount of water through the water conveying mechanism in the stirring process, and obtaining the concrete with high impermeability after the stirring is finished. The method can quickly prepare the concrete with high performance and impermeability, has the characteristics of short construction period, high quality and great manpower and material resource saving, has high plasticity and good durability of the prepared concrete, can keep the humidity in the concrete so as to be beneficial to curing the concrete, and can improve the impermeability of the concrete.
The third technical scheme of the invention is as follows: a concrete manufacturing device with high-performance impermeability comprises a crushing box supporting arm and a stirring box body arranged on one side of the crushing box supporting arm, wherein a plurality of crushing boxes are arranged on the crushing box supporting arm, a crushing mechanism is arranged inside each crushing box and is used for crushing raw materials, a conveying stirring piece is rotatably arranged inside each stirring box and comprises a conveying roller and a stirring roller, and the conveying stirring piece is used for mixing and stirring the raw materials;
the stirring roller is provided with a plurality of T-shaped stirring pushing teeth, the T-shaped stirring pushing teeth are provided with material passing ports, a cross-shaped stirring piece is fixedly arranged between every two T-shaped stirring pushing teeth, and a plurality of stirring rods are arranged on the cross-shaped stirring piece;
the crushing mechanism comprises a crushing motor and a grinding hammer, the crushing motor is fixedly arranged on the upper side surface of the crushing box, an output end of the crushing motor is provided with a special-shaped cam, the special-shaped cam is rotatably connected with the upper side surface of the grinding hammer through a grinding hammer connecting rod, the crushing motor is used for pushing the grinding hammer to move downwards, and the grinding hammer is fixedly provided with grinding teeth;
a crushing bin is arranged in the crushing box, a crushing box inlet is arranged on the upper side surface of the crushing box, the crushing box inlet is communicated with the crushing bin, and the grinding hammer is arranged in the crushing bin;
a feeding plate is arranged below the crushing bin, a positioning pushing piece is fixedly arranged on one side of the feeding plate, and a pressure scale is fixedly arranged on the upper side face of the feeding plate.
In the processing process of the concrete, various raw materials are not required to be crushed and weighed in advance, the raw materials are directly added into the corresponding crushing box and are automatically and simultaneously crushed by the crushing mechanism in the crushing box, so that the crushing efficiency is greatly improved; according to the invention, different raw materials are respectively placed into different crushing boxes, the grinding hammer on the crushing mechanism crushes various materials, the crushed raw materials are weighed through a pressure scale, and the crushed raw materials can be directly discharged into the stirring box body for stirring, so that the degree of automation is very high, and the use convenience and the processing efficiency are greatly improved; the support arm of the crushing box rotates through the support column of the feeding machine, the crushing box is also arranged on the support arm of the crushing box, the crushing mechanism is arranged in the crushing box, various materials are sequentially placed into the crushing bin through the inlet of the crushing box, then the raw materials are crushed through the grinding hammer on the crushing mechanism, the crushed materials are transmitted into the stirring box body through the transmission roller, and the concrete is stirred by the stirring roller, so that the structure is simple, the automation degree is high, the adding sequence of the materials is not influenced, and the efficiency of concrete processing can be greatly improved; according to the invention, required materials can be directly weighed, additional measurement is not needed, the convenience of operation and the production efficiency are greatly improved, after the raw materials are placed in the crushing bin, the crushing motor on the crushing mechanism is started to drive the special-shaped cam to rotate, the special-shaped cam drives the grinding hammer to move up and down through the grinding hammer connecting rod, and the grinding teeth on the grinding hammer can crush various materials, so that the raw materials are not needed to be added into the stirring box body after being crushed, and the processing efficiency is greatly improved; simultaneously, raw and other materials can directly be arranged into the stirring box after smashing in the inside of smashing the storehouse, and degree of automation is very high, promotes the convenience of using greatly.
As preferred, crushing case support arm is connected with a feeder supporting bench through the support arm driving medium, the upper end of feeder supporting bench is connected with the feeder support column, the upper end of feeder support column pass through the support arm rotate the motor with the support arm driving medium rotates to be connected, the inside of feeder supporting bench is equipped with first agitator motor, the fixed second agitator motor that is provided with in inside of first agitator motor, the output of second agitator motor with transfer roller fixed connection. Simple structure drives the rotation that can drive the stirring roller again when the transfer roller through second agitator motor, promotes the utilization ratio of resource greatly.
Preferably, the positioning pushing piece comprises a positioning base and an electric telescopic rod, the electric telescopic rod is fixedly arranged on one side of the feeding plate, the output end of the electric telescopic rod is connected with a material pushing plate, the material pushing plate is arranged on the upper side surface of the feeding plate in a sliding mode, and a waterproof cushion pad is fixedly arranged on one side surface, away from the electric telescopic rod, of the material pushing plate;
the fixed setting of location base is in the side of going up of feeder brace table, the location base is close to one side of agitator tank is provided with infrared emitter, electric telescopic handle is close to a fixed infrared receiver that is provided with in a side of feeder brace table, infrared emitter with infrared receiver is corresponding. The crushing box can rotate around a supporting arm transmission part on a supporting arm of the crushing box in the process of crushing raw materials, namely, the crushed raw materials can be rotated to an inlet of the stirring box body through the rotation of the crushing box, after the raw materials in the crushing bin are crushed, the crushed raw materials can directly slide onto the feeding plate and can be weighed through a pressure scale on the feeding plate, so that the raw materials do not need to be weighed additionally, and the use convenience is greatly improved; after weighing is finished, raw materials on the feeding plate of the feeding plate are pushed to the port of the stirring box body through the material pushing plate on the electric telescopic rod without manual addition, so that the use convenience and the processing efficiency are improved; infrared emitter on the location base is corresponding with the infrared receiver on the electric telescopic handle, in case infrared receiver receives infrared emitter information, just makes electric telescopic handle promote the scraping wings, with the port department of the former material propelling movement of stirring box on the feeding plate, degree of automation is high, promotes the convenience of using greatly.
Preferably, the upper end of the supporting platform of the feeder is provided with a water feeding mechanism, and the water feeding mechanism comprises a water feeding pump and a water spraying head;
the input end of the water supply pump is connected with a filter cover, the upper part of the stirring tank body is connected with a water feeding tank, the filter cover is arranged in the water feeding tank, the upper end of the filter cover is provided with a water passing bottom plate, the water passing bottom plate is communicated with the water feeding pump, a stirring wheel is fixedly arranged on the water passing bottom plate in the filter cover, a filter plate is arranged between the water passing bottom plate and the stirring wheel, and a plurality of filter holes are formed in the filter plate;
the stirring tank is characterized in that a water filling port is formed in the upper side face of the interior of the stirring tank body, the water spraying head is fixedly arranged in the water filling port, the water feeding pump is communicated with the water spraying head through a liquid conveying pipe, and a heating ring is fixedly arranged on the liquid conveying pipe and used for heating the liquid conveying pipe. Liquid such as water, acid and the like is absorbed by a water feeding pump on the water feeding mechanism and is uniformly sprayed on the mixed raw material through a plurality of water spraying heads, so that the stirring is more uniform, and the quality of concrete is improved; the stirring wheel can stir the material, and filter mantle, filter and filtration pore can prevent effectively that impurity from entering into the inside of water pump, the security that hoisting device used.
Preferably, a bearing is fixedly arranged at the joint of the stirring roller and the stirring box body, a plurality of air pressure holes are formed in the stirring box body above the bearing, and a discharge door body is rotatably arranged below the bearing;
the below of stirring roller is in the inside of agitator tank is provided with transport mechanism, transport mechanism includes straight section of thick bamboo motor and rotates the setting and is in conveyer belt on the straight section of thick bamboo motor, the inside of agitator tank is provided with a plurality of guided ways, the guided way sets up the inside of conveyer belt, the fixed waterproof layer that is provided with of lateral surface of conveyer belt. The waterproof layer can prevent that the material gathering from condensing, and the atmospheric pressure hole is convenient for balance stirring box and outside atmospheric pressure, and the concrete discharge after the material door body is convenient to mix is arranged, and transport mechanism can pass through the conveyer belt with the concrete that the stirring was ended and transmit to row material door body department, discharges after the stirring, and simple structure promotes the convenience of using.
The invention has the following beneficial effects:
(1) By adding a proper amount of air entraining material into the traditional concrete raw material, the plasticity of the concrete can be improved, and the prepared concrete has better durability;
(2) By adding a proper amount of microporous sintered particles, the loose and porous microporous sintered particles have the effect of activated carbon, and can absorb redundant air so as to reduce the air in the concrete and improve the impermeability of the concrete; the microporous sintered particles can also effectively adsorb water, and the water can be slowly released in the concrete solidification process, so that the internal humidity of the concrete can be maintained to facilitate the solidification of the concrete, the impermeability of the concrete can be improved, and the problems of concrete collapse, flowability and the like can be effectively solved;
(3) The substances in proper parts are cooperatively matched and mutually supplemented in performance, so that the finally prepared concrete finished product has good durability and impermeability;
(4) The method can quickly prepare the concrete with high performance and impermeability, has the characteristics of short construction period, high quality and saving of a large amount of manpower and material resources, has high plasticity and better durability of the prepared concrete, can maintain the humidity in the concrete to be beneficial to the solidification of the concrete, and can improve the impermeability of the concrete;
(5) Because various raw materials are not required to be crushed and weighed in advance in the processing process of the concrete, the raw materials are directly added into the corresponding crushing boxes and are automatically and simultaneously crushed by the crushing mechanism in the crushing boxes, so that the crushing efficiency is greatly improved;
(6) After different raw materials are respectively placed into different crushing boxes, a grinding hammer on a crushing mechanism crushes various materials, the crushed raw materials are weighed through a pressure scale, the crushed raw materials can be directly discharged into a stirring box body to be stirred, the automation degree is high, and the use convenience and the processing efficiency are greatly improved;
(7) The supporting arm of the crushing box rotates through the supporting column of the feeding machine, the crushing box is also arranged on the supporting arm of the crushing box, the crushing mechanism is arranged in the crushing box, various materials are sequentially placed into the crushing bin through the inlet of the crushing box, then the raw materials are crushed through a grinding hammer on the crushing mechanism, the crushed materials are transmitted into the stirring box body through the conveying roller, and the concrete is stirred by the stirring roller, so that the structure is simple, the automation degree is high, the adding sequence of the materials is not influenced, and the efficiency of concrete processing can be greatly improved;
(8) Can directly weigh the required materials without additional measurement, greatly improves the convenience of operation and the production efficiency, and after the raw materials are put into the crushing bin, the crushing motor on the crushing mechanism is started to drive the special-shaped cam to rotate, the special-shaped cam drives the grinding hammer to move up and down through the grinding hammer connecting rod, and the grinding teeth on the grinding hammer can grind various materials, so that the raw materials are not required to be added into the stirring box body after being ground, and the processing efficiency is greatly improved; simultaneously, raw and other materials can directly be arranged into the stirring box after being smashed in the inside of smashing the storehouse inside, and degree of automation is very high, promotes the convenience of using greatly.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a drive diagram of the shredder mechanism of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is a top plan view of the crush box support arms of the present invention;
FIG. 5 is a perspective view of a stirring roller of the present invention;
FIG. 6 is a cross-sectional view of a stirring roller of the present invention;
FIG. 7 is a schematic view of a positioning pusher of the present invention;
FIG. 8 is a schematic view of a positioning pusher of the present invention;
fig. 9 is a cross-sectional view of a filter cage of the present invention.
The labels in the figures are: 1-a feeder support table; 101-feeder support column; 102-a first stirring motor; 2-stirring the tank body; 202-a discharge door body; 203-water injection port; 204-air pressure hole; 3-crushing box supporting arms; 301-support arm transmission; 4-crushing box; 401-inlet of the comminution tank; 402-a crushing bin; 403-a feeding plate; 5-a crushing mechanism; 501-a crushing motor; 502-a shaped cam; 503-grinding hammer connecting rod; 6-conveying the stirring piece; 601-a conveying roller; 602-a stirring roller; 603-a material passing port; 7-positioning the pushing member; 701-positioning a base; 702-an electric telescopic rod; 703-a pusher plate; 704-an infrared emitter; 705-infrared receiver; 8-a water feeding mechanism; 801-water pump; 802-sprinkler head; 803-an infusion tube; 9-a bearing; 10-grinding hammer; 11-grinding teeth; 12-weighing under pressure; 13-waterproof buffer pads; 14-a support arm rotation motor; 15-heating ring; 16-T type stirring pushing teeth; 17-cross stirring piece; 18-a stirring rod; 19-a second stirring motor; 20-a transport mechanism; 21-a straight drum motor; 22-a conveyor belt; 23-a waterproof layer; 24-a guide rail; 25-a water supply tank; 26-a filter mantle; 27-a water passing bottom plate; 28-stirring wheel; 29-a filter plate; 30-filtration pores.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the present invention is not limited thereto.
A concrete with high-performance impermeability comprises the following components in parts by weight,
300-400 parts of broken stone, 220-320 parts of cement, 80-120 parts of fly ash, 60-80 parts of quartz sand, 10-15 parts of titanium nitride powder, 50-60 parts of calcium carbonate powder, 10-13 parts of alumina fiber, 8-12 parts of hydroxypropyl starch ether, 8-10 parts of water reducing agent, 0.5-1 part of air entraining material, 3-8 parts of microporous sintered particles, 5-8 parts of magnesium oxide, 1-5 parts of zinc stearate and 110-150 parts of water.
A concrete with high-performance impermeability comprises the following components in parts by weight,
330 to 370 parts of broken stone, 250 to 300 parts of cement, 90 to 110 parts of fly ash, 65 to 75 parts of quartz sand, 11 to 14 parts of titanium nitride powder, 53 to 68 parts of calcium carbonate powder, 11 to 12 parts of alumina fiber, 9 to 11 parts of hydroxypropyl starch ether, 8.5 to 9.5 parts of water reducing agent, 0.6 to 0.8 part of air entraining material, 4 to 7 parts of micropore sintering particles, 6 to 7 parts of magnesium oxide, 2 to 4 parts of zinc stearate and 120 to 140 parts of water.
A concrete with high-performance impermeability comprises the following components in parts by weight,
350 parts of broken stone, 280 parts of cement, 100 parts of fly ash, 70 parts of quartz sand, 13 parts of titanium nitride powder, 60 parts of calcium carbonate powder, 11.5 parts of alumina fiber, 10 parts of hydroxypropyl starch ether, 9 parts of water reducing agent, 0.7 part of air entraining material, 5 parts of microporous sintered particles, 6.5 parts of magnesium oxide, 3 parts of zinc stearate and 130 parts of water.
The water reducing agent is composed of the following raw materials in parts by weight,
2-6 parts of polycarboxylic acid water reducing agent, 4-5 parts of potassium sulfite and 1-3 parts of polyacrylamide.
The water reducing agent is composed of the following raw materials in parts by weight,
3 to 5 portions of polycarboxylic acid water reducing agent, 4.2 to 4.8 portions of potassium sulfite and 1.5 to 2.5 portions of polyacrylamide.
The water reducing agent is composed of the following raw materials in parts by weight,
4 parts of polycarboxylic acid water reducing agent, 4.5 parts of potassium sulfite and 2 parts of polyacrylamide.
The microporous sintered particles are composed of the following raw materials in parts by weight,
1 to 1.5 portions of bentonite, 2.5 to 4.5 portions of nano silicon dioxide powder and 0.5 to 0.8 portion of starch.
The microporous sintered particles are composed of the following raw materials in parts by weight,
1.3 parts of bentonite, 3 parts of nano silicon dioxide powder and 0.6 part of starch.
The preparation of the microporous sintered particles comprises the following steps,
(a) Weighing appropriate parts of bentonite, nano silicon dioxide powder and starch, and placing the bentonite, the nano silicon dioxide powder and the starch in a sintering container;
(b) Mixing the materials in the sintering container in the step (a), and sintering at the temperature of 1000-1200 ℃ to obtain a sintering body with a micropore structure;
(c) Crushing the sintered body with the micropore structure in the step (b) to obtain micropore sintered particles;
a method for preparing concrete with high-performance impermeability comprises the following steps,
(S01) placing the microporous sintered particles in a crushing box 4 on a crushing box supporting arm 3;
(S02) starting a crushing mechanism 5 in the crushing box 4 to further crush the micropore sintering particles in the crushing box 4;
(S03) weighing the further crushed microporous sintered particles by a pressure scale 12, and transferring the weighed particles into a stirring box body 2;
(S04) adding acid into the stirring box body 2 through the water feeding mechanism 8, and soaking the microporous sintered particles;
(S05) taking a proper amount of crushed stone, cement, fly ash, quartz sand, titanium nitride powder, calcium carbonate powder, alumina fiber, hydroxypropyl starch ether, a water reducing agent, an air entraining material, microporous sintered particles, magnesium oxide and zinc stearate, respectively adding the materials into a crushing box 4, and starting a crushing mechanism 5 to crush the added corresponding materials;
(S06) weighing the corresponding materials crushed in the step (S05) by a pressure scale 12, and then transferring the materials into the stirring tank body 2 in the step (S04);
(S07) conveying the T-shaped stirring pushing teeth 16 and the cross-shaped stirring piece 17 on the stirring piece 6 to stir the mixture in the stirring box body 2 in the step (S06), adding a proper amount of water through the water conveying mechanism 8 in the stirring process, and obtaining the concrete with high impermeability after the stirring is finished.
A concrete manufacturing device with high-performance impermeability comprises a crushing box supporting arm 3 and a stirring box body 2 arranged on one side of the crushing box supporting arm 3, wherein a plurality of crushing boxes 4 are arranged on the crushing box supporting arm 3, a crushing mechanism 5 is arranged inside each crushing box 4, each crushing mechanism 5 is used for crushing raw materials, a conveying stirring piece 6 is rotatably arranged inside the stirring box body 2, each conveying stirring piece 6 comprises a conveying roller 601 and a stirring roller 602, and each conveying stirring piece 6 is used for mixing and stirring the raw materials;
the stirring roller 602 is provided with a plurality of T-shaped stirring pushing teeth 16, the T-shaped stirring pushing teeth 16 are provided with a material passing port 603, a cross-shaped stirring piece 17 is fixedly arranged between every two T-shaped stirring pushing teeth 16, and a plurality of stirring rods 18 are arranged on the cross-shaped stirring piece 17.
Crushing case support arm 3 is connected with a feeder supporting table 1 through support arm driving medium 301, the upper end of a feeder supporting table 1 is connected with a feeder support column 101, the upper end of a feeder support column 101 is connected with support arm driving medium 301 through support arm rotation motor 14 in a rotating manner, the inside of a feeder supporting table 1 is equipped with first agitator motor 102, the inside of first agitator motor 102 is fixed and is provided with second agitator motor 19, the output and the transfer roller 601 fixed connection of second agitator motor 19.
The crushing mechanism 5 comprises a crushing motor 501 and a grinding hammer 10, the crushing motor 501 is fixedly arranged on the upper side surface of the crushing box 4, a special-shaped cam 502 is arranged at the output end of the crushing motor 501, the special-shaped cam 502 is rotatably connected with the upper side surface of the grinding hammer 10 through a grinding hammer connecting rod 503, the crushing motor 501 is used for pushing the grinding hammer 10 to move downwards, and grinding teeth 11 are fixedly arranged on the grinding hammer 10;
a crushing bin 402 is arranged in the crushing bin 4, a crushing bin inlet 401 is arranged on the upper side surface of the crushing bin 4, the crushing bin inlet 401 is communicated with the crushing bin 402, and the grinding hammer 10 is arranged in the crushing bin 402;
a feeding plate 403 is arranged below the crushing bin 402, a positioning pushing piece 7 is fixedly arranged on one side of the feeding plate 403, and a pressure scale 12 is fixedly arranged on the upper side surface of the feeding plate 403.
The positioning pushing piece 7 comprises a positioning base 701 and an electric telescopic rod 702, the electric telescopic rod 702 is fixedly arranged on one side of the feeding plate 403, the output end of the electric telescopic rod 702 is connected with a material pushing plate 703, the material pushing plate 703 is slidably arranged on the upper side surface of the feeding plate 403, and a waterproof cushion pad 13 is fixedly arranged on one side surface of the material pushing plate 703, which is far away from the electric telescopic rod 702;
the positioning base 701 is fixedly arranged on the upper side face of the feeder supporting table 1, an infrared emitter 704 is arranged on one side, close to the stirring box body 2, of the positioning base 701, an infrared receiver 705 is fixedly arranged on one side face, close to the feeder supporting table 1, of the electric telescopic rod 702, and the infrared emitter 704 corresponds to the infrared receiver 705.
The upper end of the feeder supporting table 1 is provided with a water feeding mechanism 8, and the water feeding mechanism 8 comprises a water feeding pump 801 and a water spraying head 802;
the input end of the water feeding pump 801 is connected with a filter cover 26, the upper part of the stirring box body 2 is connected with a water feeding tank 25, the filter cover 26 is arranged inside the water feeding tank 25, the upper end of the filter cover 26 is provided with a water passing bottom plate 27, the water passing bottom plate 27 is communicated with the water feeding pump 801, a stirring wheel 28 is fixedly arranged on the water passing bottom plate 27 inside the filter cover 26, a filter plate 29 is arranged between the water passing bottom plate 27 and the stirring wheel 28, and a plurality of filter holes 30 are formed in the filter plate 29;
the upper side surface in the stirring box body 2 is provided with a water filling opening 203, a water spraying head 802 is fixedly arranged in the water filling opening 203, a water feeding pump 801 is communicated with the water spraying head 802 through a liquid conveying pipe 803, a heating ring 15 is fixedly arranged on the liquid conveying pipe 803, and the heating ring 15 is used for heating the liquid conveying pipe 803.
A bearing 9 is fixedly arranged at the joint of the stirring roller 602 and the stirring box body 2, a plurality of air pressure holes 204 are formed in the stirring box body 2 above the bearing 9, and a discharge door body 202 is rotatably arranged below the bearing 9;
the inside of agitator tank 2 is provided with transport mechanism 20 in the below of stirring roller 602, and transport mechanism 20 includes straight section of thick bamboo motor 21 and rotates the conveyer belt 22 that sets up on straight section of thick bamboo motor 21, and the inside of agitator tank 2 is provided with a plurality of guided ways 24, and guided way 24 sets up the inside at conveyer belt 22, and the lateral surface of conveyer belt 22 is fixed and is provided with waterproof layer 23.
A concrete manufacturing device with high-performance impermeability comprises a crushing box support arm 3 and a stirring box body 2 arranged on one side of the crushing box support arm 3, wherein a plurality of crushing boxes 4 which are centrosymmetric are arranged on the crushing box support arm 3, a crushing mechanism 5 is arranged inside each crushing box 4, each crushing mechanism 5 is used for crushing raw materials, a conveying stirring piece 6 is rotatably arranged inside each stirring box body 2, each conveying stirring piece 6 comprises a conveying roller 601 and a stirring roller 602, each conveying stirring piece 6 is used for mixing and stirring the raw materials, T-shaped stirring pushing teeth 16 which are symmetrically distributed are arranged on each stirring roller 602, a material passing port 603 is formed in each T-shaped stirring pushing tooth 16, a cross-shaped stirring piece 17 is fixedly arranged between every two T-shaped stirring pushing teeth 16, and stirring rods 18 which are centrosymmetric are arranged on each cross-shaped stirring piece 17;
various raw materials are required to be crushed and weighed in the processing process of the concrete, so that the working efficiency is greatly reduced, the various materials are required to be crushed firstly and then added into the stirring box body 2 in sequence, and a certain sequence is required in the adding process;
smash case support arm 3 and rotate through feeder support column 101, and still be provided with on smashing case support arm 3 and smash case 4, the inside of smashing case 4 is provided with rubbing crusher structure 5, loop through the inside that smashes case entry 401 and put into crushing storehouse 402 with various materials, then smash raw and other materials through grinding hammer 10 on rubbing crusher structure 5, transmit the inside to agitator tank 2 through transfer roller 601 after smashing, and utilize agitator roller 602 to stir the concrete, moreover, the steam generator is simple in structure, the automation degree is high, neither influence the joining order of material, can promote the efficiency of concrete processing again by a wide margin.
Crushing case support arm 3 is connected with a feeder supporting table 1 through support arm driving medium 301, the upper end that a feeder supporting table 1 is connected with feeder support column 101, the upper end of feeder support column 101 is passed through the support arm and is rotated motor 14 and support arm driving medium 301 and rotate and be connected, first agitator motor 102 has been seted up to a feeder supporting table 1's inside, the fixed second agitator motor 19 that is provided with in inside of first agitator motor 102, the output and the transfer roller 601 fixed connection of second agitator motor 19, moreover, the steam generator is simple in structure, can drive the rotation of stirring roller 602 again when driving transfer roller 601 through agitator motor 19, promote the utilization ratio of resource greatly.
The crushing mechanism 5 comprises a crushing motor 501 and a grinding hammer 10, the crushing motor 501 is fixedly arranged on the upper side surface of the crushing box 4, an output end of the crushing motor 501 is provided with a special-shaped cam 502, the special-shaped cam 502 is rotatably connected with the upper side surface of the grinding hammer 10 through a grinding hammer connecting rod 503, the crushing motor 501 is used for pushing the grinding hammer 10 to move downwards, the grinding hammer 10 is fixedly provided with grinding teeth 11, a crushing bin 402 is arranged in the crushing box 4, a crushing bin inlet 401 is arranged on the upper side surface of the crushing box 4, the crushing bin inlet 401 is communicated with the crushing bin 402, the grinding hammer 10 is arranged in the crushing bin 402, a feeding plate 403 is arranged below the crushing bin 402, one side of the feeding plate 403 is fixedly provided with a positioning pushing piece 7, and the upper side surface of the feeding plate 403 is fixedly provided with a pressure scale 403;
after raw materials are placed in the crushing bin 402, the crushing motor 501 on the crushing mechanism 5 is started to drive the special-shaped cam 502 to rotate, the special-shaped cam 502 drives the grinding hammer 10 to move up and down through the grinding hammer connecting rod 503, and the grinding teeth 11 on the grinding hammer 10 can crush various materials, so that the raw materials do not need to be crushed and then added into the stirring box body 2, and the processing efficiency is greatly improved;
raw and other materials can directly be arranged into agitator tank 2 after being smashed in the inside of smashing storehouse 402 inside, and degree of automation is very high, promotes the convenience of using greatly.
The positioning pushing piece 7 comprises a positioning base 701 and an electric telescopic rod 702, the electric telescopic rod 702 is fixedly arranged on one side of a feeding plate 403, the output end of the electric telescopic rod 702 is connected with a material pushing plate 703, the material pushing plate 703 is arranged on the upper side surface of the feeding plate 403 in a sliding manner, a waterproof buffer cushion 13 is fixedly arranged on one side surface of the material pushing plate 703 away from the electric telescopic rod 702, the positioning base 701 is fixedly arranged on the upper side surface of a feeding machine supporting table 1, an infrared emitter 704 is arranged on one side of the positioning base 701 close to a stirring box body 2, an infrared receiver 705 is fixedly arranged on one side surface of the electric telescopic rod 702 close to the feeding machine supporting table 1, and the infrared emitter 704 corresponds to the infrared receiver 705;
the crushing box 4 can rotate around the supporting arm transmission part 301 on the crushing box supporting arm 3 in the process of crushing raw materials, namely, the crushed raw materials can be rotated to an inlet of the stirring box body 2 through the rotation of the crushing box 4, after the raw materials in the crushing bin 402 are crushed, the crushed raw materials can directly slide onto the feeding plate 403, and the crushed raw materials can be weighed through the pressure scale 12 on the feeding plate 403, so that the raw materials do not need to be weighed additionally, and the use convenience is greatly improved;
after weighing is finished, raw materials on the feeding plate 403 are pushed to the port of the stirring box body 2 through the pushing plate 703 on the electric telescopic rod 702 without manual addition, so that the use convenience and the processing efficiency are improved;
the infrared emitter 704 on the positioning base 701 corresponds to the infrared receiver 705 on the electric telescopic rod 702, once the infrared receiver 705 receives the information of the infrared emitter 704, the electric telescopic rod 702 pushes the material pushing plate 703 to push the raw materials on the material feeding plate 403 to the port of the stirring box body 2, the automation degree is high, and the use convenience is greatly improved.
The upper end of the feeder supporting table 1 is provided with a water feeding mechanism 8, the water feeding mechanism 8 comprises a water feeding pump 801 and a water spraying head 802, the input end of the water feeding pump 801 is connected with a filter cover 26, the upper part of the stirring box body 2 is connected with a water feeding tank 25, the filter cover 26 is arranged inside the water feeding tank 25, the upper end of the filter cover 26 is provided with a water passing bottom plate 27, the water passing bottom plate 27 is communicated with the water feeding pump 801, a stirring wheel 28 is fixedly arranged on the water passing bottom plate 27 inside the filter cover 26, a filter plate 29 is arranged between the water passing bottom plate 27 and the stirring wheel 28, a plurality of filter holes 30 which are centrosymmetric are formed in the filter plate 29, water can be stirred, medicines can be dissolved in the water as much as possible, meanwhile, impurities can be prevented from entering the inside of the water feeding pump 801, and the use safety of the device is improved;
the upper side surface in the stirring box body 2 is provided with a water filling opening 203, a water spraying head 802 is fixedly arranged in the water filling opening 203, a water feeding pump 801 is communicated with the water spraying head 802 through a liquid conveying pipe 803, a heating ring 15 is fixedly arranged on the liquid conveying pipe 803, and the heating ring 15 is used for heating the liquid conveying pipe 803.
The water, acid and other liquids are absorbed by the water supply pump 801 on the water supply mechanism 8 and are uniformly sprayed on the mixed raw materials through the plurality of water spray heads 802, so that the stirring is more uniform, and the quality of the concrete is improved.
The working principle of the invention is as follows:
the crushing box supporting arm 3 is also provided with a crushing box 4, the crushing mechanism 5 is arranged in the crushing box 4, various materials are sequentially placed into the crushing bin 402 through the crushing box inlet 401, then the raw materials are crushed through the grinding hammer 10 on the crushing mechanism 5, the crushed raw materials are transmitted into the stirring box body 2 through the conveying roller 601, and the concrete is stirred through the stirring roller 602, so that the structure is simple, the automation degree is high, the adding sequence of the materials is not influenced, and the concrete processing efficiency can be greatly improved;
the smashed raw materials can directly slide down to the feeding plate 403, the smashed raw materials can be weighed through the pressure scale 12 on the feeding plate 403, after weighing is finished, the raw materials on the feeding plate 403 are pushed to a port of the stirring box body 2 through the feeding plate 703 on the electric telescopic rod 702, manual addition is not needed, the infrared emitter 704 on the positioning base 701 corresponds to the infrared receiver 705 on the electric telescopic rod 702, once the infrared receiver 705 receives information of the infrared emitter 704, the electric telescopic rod 702 pushes the feeding plate 703 to push the raw materials on the feeding plate 403 to the port of the stirring box body 2, the degree of automation is high, and convenience in use is greatly improved.
Example 1:
a concrete with high-performance impermeability comprises the following components in parts by weight,
300 parts of crushed stone, 220 parts of cement, 80 parts of fly ash, 60 parts of quartz sand, 10 parts of titanium nitride powder, 50 parts of calcium carbonate powder, 10 parts of alumina fiber, 8 parts of hydroxypropyl starch ether, 0.5 part of air entraining material, 5 parts of magnesium oxide, 1 part of zinc stearate and 110 parts of water; 2 parts of a polycarboxylic acid water reducing agent, 4 parts of potassium sulfite and 1 part of polyacrylamide; 4 parts of microporous sintered particles.
The preparation of the microporous sintered particles comprises the following steps,
(a) Weighing 1 part of bentonite, 2.5 parts of nano silicon dioxide powder and 0.5 part of starch, and placing the materials in a sintering container;
(b) Mixing the materials in the sintering container in the step (a), and sintering at 1100 ℃ to obtain a sintered body with a microporous structure;
(c) And (c) crushing the sintered body with the micropore structure in the step (b) to obtain micropore sintered particles.
A method for preparing concrete with high-performance impermeability comprises the following steps,
(S01) placing the microporous sintered particles in a crushing box 4 on a crushing box supporting arm 3;
(S02) starting a crushing mechanism 5 in the crushing box 4 to further crush the micropore sintering particles in the crushing box 4;
(S03) weighing the further crushed microporous sintered particles by a pressure scale 12, and transferring the weighed particles into a stirring box body 2;
(S04) adding acid into the stirring box body 2 through the water feeding mechanism 8, and soaking the microporous sintered particles;
(S05) taking a proper amount of crushed stone, cement, fly ash, quartz sand, titanium nitride powder, calcium carbonate powder, alumina fiber, hydroxypropyl starch ether, a water reducing agent, an air entraining material, microporous sintered particles, magnesium oxide and zinc stearate, respectively adding the materials into a crushing box 4, and starting a crushing mechanism 5 to crush the added corresponding materials;
(S06) weighing the corresponding materials crushed in the step (S05) by a pressure scale 12, and transferring the materials into the stirring box body 2 in the step (S04);
(S07) the T-shaped stirring pushing teeth 16 and the cross-shaped stirring piece 17 on the conveying stirring piece 6 are used for stirring the mixture in the stirring box body 2 in the step (S06), a proper amount of water is added through the water feeding mechanism 8 in the stirring process, and after the stirring is finished, the concrete with high impermeability is obtained.
Example 2:
this embodiment is substantially the same as embodiment 1 except that: the concrete with high-performance impermeability comprises, by weight, 330 parts of broken stone, 250 parts of cement, 90 parts of fly ash, 65 parts of quartz sand, 11 parts of titanium nitride powder, 53 parts of calcium carbonate powder, 11 parts of alumina fiber, 9 parts of hydroxypropyl starch ether, 0.6 part of air entraining material, 6 parts of magnesium oxide, 2 parts of zinc stearate and 120 parts of water; 3 parts of polycarboxylic acid water reducing agent, 4.2 parts of potassium sulfite and 1.5 parts of polyacrylamide; 4 parts of microporous sintered particles.
Example 3:
this embodiment is substantially the same as embodiment 1 except that: the concrete with high-performance impermeability comprises, by weight, 400 parts of crushed stone, 320 parts of cement, 120 parts of fly ash, 80 parts of quartz sand, 15 parts of titanium nitride powder, 60 parts of calcium carbonate powder, 13 parts of alumina fiber, 12 parts of hydroxypropyl starch ether, 1 part of air entraining material, 8 parts of magnesium oxide, 5 parts of zinc stearate and 150 parts of water; 6 parts of a polycarboxylic acid water reducing agent, 5 parts of potassium sulfite and 3 parts of polyacrylamide; 6.8 parts of microporous sintered particles.
The preparation of the microporous sintered particles comprises the following steps,
(a) Weighing 1.5 parts of bentonite, 4.5 parts of nano silicon dioxide powder and 0.8 part of starch, and placing the materials in a sintering container;
(b) Mixing the materials in the sintering container in the step (a), and sintering at 1100 ℃ to obtain a sintered body with a microporous structure;
(c) And (c) crushing the sintered body with the micropore structure in the step (b) to obtain micropore sintered particles.
Example 4:
this embodiment is substantially the same as embodiment 1 except that: 370 parts of crushed stone, 300 parts of cement, 110 parts of fly ash, 75 parts of quartz sand, 14 parts of titanium nitride powder, 68 parts of calcium carbonate powder, 12 parts of alumina fiber, 11 parts of hydroxypropyl starch ether, 0.8 part of air entraining material, 7 parts of magnesium oxide, 4 parts of zinc stearate and 140 parts of water; 5 parts of polycarboxylic acid water reducing agent, 4.8 parts of potassium sulfite and 2.5 parts of polyacrylamide; 4.9 parts of microporous sintered particles.
The preparation of the microporous sintered particles comprises the following steps,
(a) Weighing 1.3 parts of bentonite, 3 parts of nano silicon dioxide powder and 0.6 part of starch, and placing in a sintering container;
(b) Mixing the materials in the sintering container in the step (a), and sintering at 1100 ℃ to obtain a sintered body with a micropore structure;
(c) And (c) crushing the sintered body with the micropore structure in the step (b) to obtain micropore sintered particles.
Example 5:
this example is substantially the same as example 1, except that: the concrete with high-performance impermeability comprises, by weight, 350 parts of crushed stone, 280 parts of cement, 100 parts of fly ash, 70 parts of quartz sand, 13 parts of titanium nitride powder, 60 parts of calcium carbonate powder, 11.5 parts of alumina fiber, 10 parts of hydroxypropyl starch ether, 0.7 part of air entraining material, 6.5 parts of magnesium oxide, 3 parts of zinc stearate, 130 parts of water, 4 parts of polycarboxylic water reducer, 4.5 parts of potassium sulfite, 2 parts of polyacrylamide and 4.9 parts of microporous sintered particles.
The preparation of the microporous sintered particles comprises the following steps,
(a) Weighing 1.3 parts of bentonite, 3 parts of nano silicon dioxide powder and 0.6 part of starch, and placing in a sintering container;
(b) Mixing the materials in the sintering container in the step (a), and sintering at 1100 ℃ to obtain a sintered body with a microporous structure;
(c) And (c) crushing the sintered body with the micropore structure in the step (b) to obtain micropore sintered particles.
Comparative example 1:
this comparative example is essentially the same as example 1, except that: the concrete with high-performance impermeability comprises the following components, by weight, 300 parts of broken stone, 220 parts of cement, 80 parts of fly ash, 60 parts of quartz sand, 10 parts of titanium nitride powder, 50 parts of calcium carbonate powder, 10 parts of alumina fiber, 8 parts of hydroxypropyl starch ether, 5 parts of magnesium oxide, 1 part of zinc stearate and 110 parts of water; 2 parts of polycarboxylic acid water reducing agent, 4 parts of potassium sulfite and 1 part of polyacrylamide.
Comparative example 2:
this comparative example is essentially the same as example 2, except that: the concrete with high-performance impermeability comprises, by weight, 330 parts of broken stone, 250 parts of cement, 90 parts of fly ash, 65 parts of quartz sand, 11 parts of titanium nitride powder, 53 parts of calcium carbonate powder, 11 parts of alumina fiber, 9 parts of hydroxypropyl starch ether, 6 parts of magnesium oxide, 2 parts of zinc stearate and 120 parts of water; 3 parts of polycarboxylic acid water reducing agent, 4.2 parts of potassium sulfite and 1.5 parts of polyacrylamide.
Comparative example 3:
this comparative example is essentially the same as example 3, except that: the concrete with high-performance impermeability comprises the following components, by weight, 400 parts of broken stone, 320 parts of cement, 120 parts of fly ash, 80 parts of quartz sand, 15 parts of titanium nitride powder, 60 parts of calcium carbonate powder, 13 parts of alumina fiber, 12 parts of hydroxypropyl starch ether, 8 parts of magnesium oxide, 5 parts of zinc stearate and 150 parts of water; 6 parts of polycarboxylic acid water reducing agent, 5 parts of potassium sulfite and 3 parts of polyacrylamide.
Comparative example 4:
this comparative example is essentially the same as example 4, except that: 370 parts of crushed stone, 300 parts of cement, 110 parts of fly ash, 75 parts of quartz sand, 14 parts of titanium nitride powder, 68 parts of calcium carbonate powder, 12 parts of alumina fiber, 11 parts of hydroxypropyl starch ether, 7 parts of magnesium oxide, 4 parts of zinc stearate and 140 parts of water; 5 parts of polycarboxylic acid water reducing agent, 4.8 parts of potassium sulfite and 2.5 parts of polyacrylamide.
Comparative example 5:
this comparative example is essentially the same as example 5, except that: the concrete with high-performance impermeability comprises, by weight, 350 parts of crushed stone, 280 parts of cement, 100 parts of fly ash, 70 parts of quartz sand, 13 parts of titanium nitride powder, 60 parts of calcium carbonate powder, 11.5 parts of alumina fiber, 10 parts of hydroxypropyl starch ether, 6.5 parts of magnesium oxide, 3 parts of zinc stearate, 130 parts of water, 4 parts of polycarboxylic acid water reducing agent, 4.5 parts of potassium sulfite and 2 parts of polyacrylamide.
Performance testing
1. Flexural strength
Adding the recycled concrete mixture into a test mould with the thickness of 150 multiplied by 500mm, covering a preservative film on the surface of the test piece after vibration to prepare a concrete test piece, standing the concrete test piece for 2 days, then removing the mould, putting the concrete test piece into a standard curing box for curing for 15 days to prepare a concrete test block, and testing the flexural strength of the concrete by adopting GB/T5008-2002. The test results are shown in table 1 below.
2. Permeability test
The method comprises the steps of manufacturing a concrete sample by adopting a GB/T50082-2009 medium water seepage height method, installing the concrete sample in an impermeability instrument for performing a penetration test, ensuring that the water pressure is constant between 1.15 and 1.25MPa within 24h, splitting a test block after 24h, measuring the height of water marks by using a steel ruler, repeating 6 groups, and calculating the average value of the height of the water marks. The test results are shown in table 1 below.
Table 1: results of Performance test of the recycled concrete obtained in examples 1 to 5 and comparative examples 1 to 5
| Flexural strength (MPa) | Penetration height (cm) | Compressive strength (MPa) | |
| Example 1 | 4.15 | 7.9 | 43.6 |
| Example 2 | 4.21 | 8.2 | 43.1 |
| Example 3 | 4.18 | 8.5 | 42.8 |
| Example 4 | 4.26 | 8.7 | 42.1 |
| Example 5 | 4.19 | 8.0 | 43.3 |
| Comparative example 1 | 3.95 | 13.2 | 40.1 |
| Comparative example 2 | 3.99 | 12.9 | 40.4 |
| Comparative example 3 | 4.05 | 13.5 | 39.5 |
| Comparative example 4 | 4.02 | 13.6 | 40.8 |
| Comparative example 5 | 4.04 | 12.8 | 40.5 |
As can be seen from the detection results in Table 1, the concrete prepared by the method has good strength, good flexural strength and compressive strength, and low penetration height.
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. The description 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, that a person skilled in the art can solve the technical problem within a certain error range, and that the technical effect is substantially achieved.
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, and is not to be construed as excluding other embodiments, and that the invention 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 (4)
1. A preparation method of concrete with high-performance impermeability is characterized by comprising the following steps: the concrete with high-performance impermeability comprises the following components in parts by weight,
300-400 parts of broken stone, 220-320 parts of cement, 90-120 parts of fly ash, 60-80 parts of quartz sand, 10-15 parts of titanium nitride powder, 50-60 parts of calcium carbonate powder, 10-13 parts of alumina fiber, 8-9 parts of hydroxypropyl starch ether, 8-10 parts of water reducing agent, 0.5-1 part of air entraining material, 3-4 parts of microporous sintered particles, 5-8 parts of magnesium oxide, 1-2 parts of zinc stearate and 110-130 parts of water;
the water reducing agent is composed of the following raw materials in parts by weight,
2-4 parts of polycarboxylic acid water reducing agent, 4-4.8 parts of potassium sulfite and 1-2 parts of polyacrylamide;
the microporous sintered particles are composed of the following raw materials in parts by weight,
1 to 1.5 portions of bentonite, 2.5 to 4.5 portions of nano silicon dioxide powder and 0.6 to 0.8 portion of starch;
the preparation of the microporous sintered particles comprises the following steps,
(a) Weighing appropriate parts of bentonite, nano silicon dioxide powder and starch, and placing the bentonite, the nano silicon dioxide powder and the starch in a sintering container;
(b) Mixing the materials in the sintering container in the step (a), and sintering at the temperature of 1000-1200 ℃ to obtain a sintering body with a micropore structure;
(c) Crushing the sintered body with the micropore structure in the step (b) to obtain micropore sintered particles;
comprises the following steps of (a) preparing a solution,
(S01) placing the microporous sintered particles in a crushing box (4) on a crushing box supporting arm (3);
(S02) starting a crushing mechanism (5) in the crushing box (4) to further crush the microporous sintered particles in the crushing box (4);
(S03) weighing the further crushed microporous sintered particles by a pressure scale (12) and transferring the weighed microporous sintered particles into a stirring box body (2);
(S04) adding acid into the stirring box body (2) through the water feeding mechanism (8) to soak the microporous sintered particles;
(S05) taking a proper amount of crushed stone, cement, fly ash, quartz sand, titanium nitride powder, calcium carbonate powder, alumina fiber, hydroxypropyl starch ether, a water reducing agent, an air entraining material, microporous sintered particles, magnesium oxide and zinc stearate, respectively adding the materials in the proper amount into corresponding crushing boxes (4), and starting a crushing mechanism (5) to crush the added corresponding materials;
(S06) weighing the corresponding materials crushed in the step (S05) by a pressure scale (12), and transferring the materials into the stirring box body (2) in the step (S04);
(S07) conveying the T-shaped stirring pushing teeth (16) and the cross-shaped stirring piece (17) on the stirring piece (6) to stir the mixture in the stirring box body (2) in the step (S06), adding a proper amount of water through the water conveying mechanism (8) in the stirring process, and obtaining the concrete with high impermeability after the stirring is finished;
the grinding device comprises a grinding box supporting arm (3) and a stirring box body (2) arranged on one side of the grinding box supporting arm (3), wherein a plurality of grinding boxes (4) are arranged on the grinding box supporting arm (3), a grinding mechanism (5) is arranged inside the grinding boxes (4), the grinding mechanism (5) is used for grinding raw materials, a conveying stirring piece (6) is rotatably arranged inside the stirring box body (2), the conveying stirring piece (6) comprises a conveying roller (601) and a stirring roller (602), and the conveying stirring piece (6) is used for mixing and stirring the raw materials;
a plurality of T-shaped stirring pushing teeth (16) are arranged on the stirring roller (602), a material passing port (603) is formed in each T-shaped stirring pushing tooth (16), a cross-shaped stirring piece (17) is fixedly arranged between every two T-shaped stirring pushing teeth (16), and a plurality of stirring rods (18) are arranged on each cross-shaped stirring piece (17);
the crushing mechanism (5) comprises a crushing motor (501) and a grinding hammer (10), the crushing motor (501) is fixedly arranged on the upper side surface of the crushing box (4), an output end of the crushing motor (501) is provided with a special-shaped cam (502), the special-shaped cam (502) is rotatably connected with the upper side surface of the grinding hammer (10) through a grinding hammer connecting rod (503), the crushing motor (501) is used for pushing the grinding hammer (10) to move downwards, and the grinding hammer (10) is fixedly provided with grinding teeth (11);
a crushing bin (402) is arranged in the crushing bin (4), a crushing bin inlet (401) is arranged on the upper side surface of the crushing bin (4), the crushing bin inlet (401) is communicated with the crushing bin (402), and the grinding hammer (10) is arranged in the crushing bin (402);
a feeding plate (403) is arranged below the crushing bin (402), a positioning pushing piece (7) is fixedly arranged on one side of the feeding plate (403), and a pressure scale (12) is fixedly arranged on the upper side surface of the feeding plate (403);
the crushing box supporting arm (3) is connected with a feeder supporting table (1) through a supporting arm transmission piece (301), the upper end of the feeder supporting table (1) is connected with a feeder supporting column (101), the upper end of the feeder supporting column (101) is rotatably connected with the supporting arm transmission piece (301) through a supporting arm rotating motor (14), a first stirring motor (102) is arranged inside the feeder supporting table (1), a second stirring motor (19) is fixedly arranged inside the first stirring motor (102), and the output end of the second stirring motor (19) is fixedly connected with the conveying roller (601);
a bearing (9) is fixedly arranged at the joint of the stirring roller (602) and the stirring box body (2), a plurality of air pressure holes (204) are formed in the stirring box body (2) above the bearing (9), and a discharging door body (202) is rotatably arranged below the bearing (9);
the below of stirring roller (602) is in the inside of agitator tank (2) is provided with transport mechanism (20), transport mechanism (20) include straight drum motor (21) and rotate and set up conveyer belt (22) on straight drum motor (21), the inside of agitator tank (2) is provided with a plurality of guided ways (24), guided way (24) set up the inside of conveyer belt (22), the fixed waterproof layer (23) that is provided with of lateral surface of conveyer belt (22).
2. The method for preparing concrete with high-performance impermeability according to claim 1, wherein the method comprises the following steps: comprises the following components in parts by weight,
330 to 370 parts of broken stone, 250 to 300 parts of cement, 90 to 110 parts of fly ash, 65 to 75 parts of quartz sand, 11 to 14 parts of titanium nitride powder, 53 to 68 parts of calcium carbonate powder, 11 to 12 parts of alumina fiber, 9 parts of hydroxypropyl starch ether, 8.5 to 9.5 parts of water reducing agent, 0.6 to 0.8 part of air entraining material, 4 parts of micropore sintering particles, 6 to 7 parts of magnesium oxide, 2 parts of zinc stearate and 120 to 130 parts of water.
3. The method for preparing concrete having high impermeability as claimed in claim 1, wherein: the positioning pushing piece (7) comprises a positioning base (701) and an electric telescopic rod (702), the electric telescopic rod (702) is fixedly arranged on one side of the feeding plate (403), the output end of the electric telescopic rod (702) is connected with a material pushing plate (703), the material pushing plate (703) is arranged on the upper side face of the feeding plate (403) in a sliding mode, and a waterproof cushion pad (13) is fixedly arranged on one side face, away from the electric telescopic rod (702), of the material pushing plate (703);
the positioning base (701) is fixedly arranged on the upper side face of the feeder supporting table (1), an infrared emitter (704) is arranged on one side, close to the stirring box body (2), of the positioning base (701), an electric telescopic rod (702) is arranged on one side face, close to the feeder supporting table (1), of the positioning base, an infrared receiver (705) is fixedly arranged on one side face of the feeder supporting table (1), and the infrared emitter (704) corresponds to the infrared receiver (705).
4. The method for preparing concrete having high impermeability as claimed in claim 1, wherein: the upper end of the feeder supporting table (1) is provided with a water feeding mechanism (8), and the water feeding mechanism (8) comprises a water feeding pump (801) and a water spraying head (802);
the water supply device is characterized in that the input end of the water supply pump (801) is connected with a filter cover (26), the upper part of the stirring box body (2) is connected with a water supply tank (25), the filter cover (26) is arranged inside the water supply tank (25), the upper end of the filter cover (26) is provided with a water passing bottom plate (27), the water passing bottom plate (27) is communicated with the water supply pump (801), a stirring wheel (28) is fixedly arranged on the water passing bottom plate (27) inside the filter cover (26), a filter plate (29) is arranged between the water passing bottom plate (27) and the stirring wheel (28), and a plurality of filter holes (30) are formed in the filter plate (29);
water filling port (203) have been seted up to the inside side of going up of agitator tank body (2), sprinkler bead (802) are fixed to be set up the inside of water filling port (203), water feeding pump (801) through transfer line (803) with sprinkler bead (802) are linked together, fixed heating collar (15) that is provided with on transfer line (803), heating collar (15) be used for right transfer line (803) heat.
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