The invention discloses a production device of a sheet bar or block-type product. The production device comprises initial mixers, primary conveyor belts and a mixing stirrer. Each one of the initial mixers comprises one primary conveyor belt. One or more types of stones or stone-like particle materials with set particle sizes and a binder are subjected to primary mixing in the initial mixer so that an initial mixture is obtained. The mixing stirrer comprises a rotary container for receiving materials. The initial mixture is conveyed to the mixing stirrer through the primary conveyor belt. The one or more initial mixers and the corresponding primary conveyor belts are arranged around the mixing stirrer at intervals. The specific device for the method carries out pre-processing and the re-processing processes comprise layers of the initial mixtures with various colors are processed to form a cluster or block or the layer of any initial mixture is rolled. The device and method are convenient for novel technology development and increase product novel types.

Production device and method of sheet bar or block-type product

The invention relates to a high-strength concrete mix. The technical key point of the high-strength concrete mix is as follows. The high-strength concrete mix is prepared from the following raw materials in parts by mass: 300 to 320 parts of cement, 1000 to 1100 parts of stone, 550 to 650 parts of sand, 20 to 30 parts of silica fume, 100 to 150 parts of coal ash, 90 to 120 parts of mineral power slag, and 5 to 8 parts of a water reducing agent. The high-strength concrete mix has high fluidity, the structure of a capillary hole is refined, the concrete structure is dense, communicated capillaryholes are reduced, and the concrete structure strength is high.

High-strength concrete mix

The invention discloses anti-corrosion concrete, which is prepared from the following raw materials in parts by mass: 50 to 100 parts of cement, 60 to 90 parts of sand, 30 to 50 parts of stone, 10 to 25 parts of fly ash, 5 to 10 parts of silicon ash, 5 to 15 parts of rubber powder, 3 to 10 parts of polyurethane emulsion, 3 to 8 parts of water reducing agents and 35 to 60 parts of water. The anti-corrosion concrete has the advantages that the inside structure compactness is good; the anti-seepage performance is good; good anti-corrosion performance is realized; the service life is long.

Anti-corrosion concrete

The invention relates to a preparation method of C50 high-performance concrete prepared from silica fume. The preparation method of the C50 high-performance concrete prepared from the silica fume involves the raw materials comprising, by weight, 300-330 parts of cement, 100-115 parts of mineral slag powder, 40-45 parts of fly ash, 20-35 parts of the silica fume, 643-683 parts of sand, 1063-1103 parts of gravels, 8.4-10.6 parts of a high-performance water reducing agent and 155-168 parts of water. The raw materials including the cement, the mineral slag powder, the fly ash, the silica fume, thesand, the gravels, the water reducing agent and the water are weighed according to the ratio, mixed and evenly stirred. According to the C50 high-performance concrete, a three-permeated technology ofthe cement, the fly ash, the mineral slag powder and the silica fume is utilized, so that the high-strength concrete has a large slump, a large expansion degree and large fluidity; a concrete mixtureis good in wrapping property, slurry and aggregate are not separated, the pumping loss of the concrete is very small, the compactness of a concrete finished product is high, and the quality problemssuch as voids and pits cannot appear on the surface of the concrete.

Preparation method of C50 high-performance concrete prepared from silica fume

The invention provides a corrosion-resisting pipe component and a preparation method thereof, and relates to the technical field of concrete pipes The corrosion-resisting pipe component is prepared from the following raw materials: flyash, silica fume, kaolin, talcum powder, ethylene bis stearamide, triethanolamine, calcium chloride, a defoaming agent, fiber materials, a retarder, a water reducing agent and water The corrosion-resisting pipe component disclosed by the invention has the advantages of better durability and sealing property, good stability, high corrosion resistance and high anti-seepage ability; mechanical properties of the concrete pipe component are ensured; in addition, the strength of the concrete pipe component is enhanced and the corrosion resistance of the concretepipe is improved due to the introduction of the silica fume, the talcum powder and fiber materials Besides, by the addition of the ethylene bis stearamide, the triethanolamine, the defoaming agent, the retarder and the water reducing agent, acid resistance, alkali resistance, corrosion resistance and anti-aging properties of the concrete pipe component are enhanced

Corrosion-resisting pipe component and preparation method thereof

The invention discloses modified high-sulfate-resistant corrosion-resistant concrete comprising cement, fly ash, mineral powder, silica fume, sand, stones, a new high performance admixture and water; and the modified high-sulfate-resistant corrosion-resistant concrete has the advantages of low cost, wide applicability and good sulfate-resistant performance.

Modified high-sulfate-resistant corrosion-resistant concrete

The utility model discloses a device of synthetic polycarboxylate water reducing agent powder of normal atmospheric temperature, the storage tank of different raw materialss is equipped with including a plurality of, the storage tank is linked together through conveyer belt and compounding jar, the conveyer belt links to each other with the conveyer motor transmission, be equipped with weighing transducer on the conveyer belt, the output of weighing transducer and flowmeter all link to each other with the controller, the controller links to each other with conveyer motor and delivery pump control respectively, by the numerical value of controller according to control weighing transducer, and the work of control conveyer motor and delivery pump, the compounding jar is linked together with the pump through vent pipe, vent pipe is deep extremely the bottom of compounding jar, the utility model has the advantages of: reduce the amount of labour, improved production efficiency, reduced intensity of labour, the material misce bene, it is mixed effectual, simple structure, convenient to use.

Device of synthetic polycarboxylate water reducing agent powder of normal atmospheric temperature

The invention discloses an expanded alkyl air entraining agent. The expanded alkyl air entraining agent consists of sodium dodecylbenzene sulfonate, sodium dodecyl sulfate, calcium bentonite and flyash. The expanded alkyl air entraining agent has the advantages that the air entraining agent has the characteristics of good stability, good dispersibility, excellent air entraining performance and good quality of air bubbles, after the expanded alkyl air entraining agent is used in concrete, long-term performance and durability such as freezing and thawing resistance, permeability resistance and carbonation resistance of concrete can be greatly improved, and the expanded alkyl air entraining agent has good technical economic benefits.

Expanded alkyl air entraining agent

The utility model discloses a synthetic apparatus for producing of polycarboxylate water reducing agent, the storage tank of different raw materialss is equipped with including a plurality of, the storage tank including the storage tank that is equipped with liquid material and the storage tank that is equipped with solid material, liquid material's storage tank is linked together through delivery pump and compounding jar to be equipped with the flowmeter, the storage tank that is equipped with solid material pass through the conveyer belt with the compounding jar is linked together, the conveyer belt links to each other with the conveyer motor transmission, be equipped with weighing transducer on the conveyer belt, the output of weighing transducer and flowmeter all link to each other with the controller, the controller links to each other with transport pump control system with conveyer motor respectively, the compounding jar is linked together with the pump through vent pipe, vent pipe is deep extremely the bottom of compounding jar, the utility model has the advantages of: reduce the amount of labour, improved production efficiency, reduced intensity of labour, the material misce bene, it is mixed effectual, simple structure, convenient to use.

Synthetic apparatus for producing of polycarboxylate water reducing agent

The invention discloses novel retarder for sulfate aluminum cement and a preparation method thereof. The retarder is mainly prepared from the following components in parts by weight: 45-60 parts of maleic anhydride, 0.30-0.65 part of tungstic acid, 75-150 parts of 30% hydrogen peroxide, 5-35 parts of potassium hydroxide, 12-37 parts of anhydrous boric acid, 8-15 parts of sodium gluconate and 5-10 parts of sodium tripolyphosphate. The novel retarder has the advantages that the initial setting time of the sulfate aluminum cement is controlled between 45-300 minutes, and the construction requirement for most concrete constructions can be met.

Kang Ming

Papers

Modified high-sulfate-resistant corrosion-resistant concrete

Device of synthetic polycarboxylate water reducing agent powder of normal atmospheric temperature

Expanded alkyl air entraining agent

Synthetic apparatus for producing of polycarboxylate water reducing agent

Novel retarder for sulfate aluminum cement and preparation method thereof