Chlorine salt-free ammonia-free liquid concrete anti-freezing pumping agent

Abstract

The invention relates to a chlorine salt-free ammonia-free liquid concrete anti-freezing pumping agent, which comprises the following raw materials by weight: 250-300 parts of high concentration naphthalene series high efficiency water reducer; 10-35 parts of glycol, 10-15 parts of maltodextrin, 60-100 parts of methanol, 80-120 parts of sodium thiosulfate, 30-80 parts of sodium nitrite, 1-5 partsof sodium abietate and 400-600 parts of water. The concrete anti-freezing pumping agent has the characteristics of no chlorine salt containing, no corrosion on steel bars, no ammonia containing and no exceeding standard of ammonia in buildings; and the researches found that the anti-freezing pumping effect substantially exceeds the expectation of the technical staffs.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a liquid concrete antifreeze pumping agent without chlorine salt and ammonia. Background technique [0002] Antifreeze is an admixture that can harden concrete at negative temperatures and achieve expected performance under specified curing conditions. It is a substance that can prevent moisture in materials from freezing at low temperatures. The use of antifreeze can significantly reduce the energy consumption of building construction in winter, and can ensure that the concrete can still harden normally at negative temperatures. [0003] The antifreeze used in concrete building construction is currently mostly chlorine salt antifreeze, chlorine salt antirust antifreeze, ammonia water reducer, chlorine salt antifreeze has a corrosive effect on steel bars, and the role of chlorine salt antirust antifreeze in humid environments However, although the ammonia salt antifreeze has a...

AI Technical Summary

Problems solved by technology

[0003] The antifreeze used in concrete building construction is currently mostly chlorine salt antifreeze, chlorine salt antirust antifreeze, ammonia water reducer, chlorine salt antifreeze has a corrosive effect on steel bars, and the role of chlorine salt antirust antifreeze in humid environments However, there are serious quality and safety hazards; and ammonia salt antifreeze, although the antifreeze effect is good, it is easy to cause indoor ammonia to exceed the standard, which affects the safety and health of the living environment.