Concrete admixture adding with peristsaltic pump

Concrete admixture

Concrete admixture is a chemical substance that is incorporated into the concrete mixing process and accounts for less than 5% of the cement mass and can significantly improve the performance of the concrete. The characteristics of concrete admixtures are that there are many varieties and small amounts, which have great influence on the performance of concrete, and have the characteristics of less investment, quick effect and remarkable technical and economic benefits.With the continuous advancement of science and technology, admixtures have been increasingly used, and admixtures have become the fifth important component of concrete in addition to the four basic components. Admixtures have a certain improvement effect on the carbonation resistance of concrete, There is a certain linear relationship between the carbonation depth and porosity of concrete; Admixtures have a great influence on the frost resistance of concrete, the concrete with air-inducing water reducing agent has better frost resistance, but the single early strength agent has no effect on the frost resistance of concrete.
Peristaltic pumps play a crucial role in the production of precisely metered transport admixtures.
The peristaltic pump conveying concrete admixture has the advantages of uniform feeding, accurate measurement, convenient adjustment of the addition ratio and improvement of the quality of the finished product; The peristaltic pump is squeezed by a hose to generate a flow rate. The solution only flows through the hose and does not touch the pump body, which can effectively prevent the solution from corroding the pump body and clogging the pump body. The peristaltic pump has the advantages of simple cleaning, corrosion resistance, high temperature resistance and high cost performance.
Polycarboxylate superplasticizer is a new generation of high performance water reducer and is a cement dispersant used in cement concrete. After being blended into the product, the concrete has a high slump retention performance, and the slump is not lost in half an hour, 1h slump loss is very small, it has the advantages of low external agent dosage, high water reduction rate, small shrinkage, etc. The incorporation of this product can greatly improve the fluidity of the concrete, so that the coagulation can maintain the construction performance for a long timetable; at the same time, it can improve the workability and physical and mechanical properties of concrete and improve the quality of engineering. It is widely used in prefabricated and cast-in-place concrete, reinforced concrete and prestressed concrete for high-speed railway, passenger dedicated line, industrial and civil buildings, roads, bridges, port terminals, airports and other projects. 
Acrylic acid is one of the important raw materials for water-soluble polymers. It can be obtained by graft copolymerization with starch to produce super absorbent water absorbent. It is widely used in pharmaceutical, leather, textile, chemical fiber, building materials, water treatment, petroleum exploitation, coating and other industrial sectors.

The polypropylene solution is stably transported to the reaction vessel by a peristaltic pump. According to the different requirements of the capacity and the process, the transmission flow rate in the production is generally 2-10 liters/hour, and in the small test, it is generally 0.5-2 cc/min;Each complete production or experiment time is generally 2-4 hours;
Peristaltic pumps and transmission hoses need to be resistant to acrylic acid corrosion;
The temperature and humidity of the production workshop are high, and the peristaltic pump is required to have high durability.
In the small test, the peristaltic pump is required to smoothly and accurately drop the material

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