Abstract: The present disclosure discloses a method for improving the performance of concrete aggregates, comprising the following steps: (1) adding composite microbial powders, recycled aggregates and water into a stirring pot in a certain ratio to be continuously and uniformly stirred; (2) placing the recycled aggregate obtained in step (1) and another microbial powder in a vacuum device so as to fill the microbial powder into the cracks of the recycled aggregate in a negative-pressure environment; and (3) spraying a calcium source solution to the surface of the recycled aggregate obtained in step (2) at an interval of 5-6 hours for repeating 3-5 times to maintain the wet surface of the recycled aggregate.

Abstract: A preparation method for a concrete additive for a maritime work environment includes: S1, compounding a volcanic ash material containing aluminum oxide and lime in proportion, loading a mixture into a sugar coating machine, and spraying a proper amount of alcohol, to prepare spherical particles; S2, adding the spherical particles in S1 and cement into the sugar coating machine, uniformly spraying deionized water in a rotating process, and coating surface layers of the spherical particles with a layer of cement for maintenance; and S3, placing the maintained particles in S2 into a hydrophobic emulsion, and coating the surface layers of the particles with a layer of hydrophobic emulsion, to obtain a concrete additive.

Abstract: The present disclosure discloses a method for improving the performance of concrete aggregates, comprising the following steps: (1) adding composite microbial powders, recycled aggregates and water into a stirring pot in a certain ratio to be continuously and uniformly stirred; (2) placing the recycled aggregate obtained in step (1) and another microbial powder in a vacuum device so as to fill the microbial powder into the cracks of the recycled aggregate in a negative-pressure environment; and (3) spraying a calcium source solution to the surface of the recycled aggregate obtained in step (2) at an interval of 5-6 hours for repeating 3-5 times to maintain the wet surface of the recycled aggregate.

Abstract: A preparation method for a concrete additive for a maritime work environment includes: S1, compounding a volcanic ash material containing aluminum oxide and lime in proportion, loading a mixture into a sugar coating machine, and spraying a proper amount of alcohol, to prepare spherical particles; S2, adding the spherical particles in S1 and cement into the sugar coating machine, uniformly spraying deionized water in a rotating process, and coating surface layers of the spherical particles with a layer of cement for maintenance; and S3, placing the maintained particles in S2 into a hydrophobic emulsion, and coating the surface layers of the particles with a layer of hydrophobic emulsion, to obtain a concrete additive.

Abstract: The present invention discloses a method for producing a golf club head with an ultra-thin crown, relating to a method for processing a golf club head. A grinding rotor, with an abrasive (2) on the surface, is placed in a to-be-grinded area inside a cavity of the golf club head (1). The outside of the golf club head (1) is provided with a rotary working shaft (6) of high-speed rotation, one end of which corresponding to the grinding rotor is provided with driving magnets (4). The driving magnets of the rotary working shaft (6) are driven by a driving device to make the grinding rotor rotate synchronously so that the grinding rotor that is rotating performs multi-point thinning and grinding to the cavity within the to-be-grinded area of the golf club head (1). The present invention, with advantages of uniform thinning of a golf club head and automation control, is applicable to mass industrial production.

Abstract: The present invention discloses a method for producing a golf club head with an ultra-thin crown, relating to a method for processing a golf club head. A grinding rotor, with an abrasive (2) on the surface, is placed in a to-be-grinded area inside a cavity of the golf club head (1). The outside of the golf club head (1) is provided with a rotary working shaft (6) of high-speed rotation, one end of which corresponding to the grinding rotor is provided with driving magnets (4). The driving magnets of the rotary working shaft (6) are driven by a driving device to make the grinding rotor rotate synchronously so that the grinding rotor that is rotating performs multi-point thinning and grinding to the cavity within the to-be-grinded area of the golf club head (1). The present invention, with advantages of uniform thinning of a golf club head and automation control, is applicable to mass industrial production.