material used for salt pan (pond)

The present invention discloses a kind of material used for salt pan (pond) and the usage thereof. It belongs to the material for slope and bottom revetments. Said material takes waste slag, gypsum, lime, liquid slag, calcium enriched lime as raw material which are mixed and made according to a specified method into plate material used for revetment of salt pan (pond). It can effectively prevent the corrosion of sulfate bacteria to the revetment material, thus greatly prolonging the service life of the material for slope and bottom revetment, lowering the cost of evaporating brine in the sun to make salt and improving the quality of crude salt. Besides, it uses great quantity of industrial waste slag to improve the environment and solves the problem of discharging waste material for factory.

High-elasticity, high-strength and high-conductivity Cu-Ni-Sn alloy and preparation method thereof

The invention discloses a high-elasticity, high-strength and high-conductivity Cu-Ni-Sn alloy and a preparation method thereof, and belongs to the technical field of metal material processing. The high-elasticity, high-strength and high-conductivity Cu-Ni-Sn alloy comprises the following components in percentage by mass: 8%-18% of nickel, 6%-10% of tin, 0.1%-1.0% of silicon, 0.1%-1.2% of niobium, 0.02%-0.5% of yttrium and the balance of copper and other inevitable impurity elements. According to the invention, a microalloying mode is adopted, the components of the copper-nickel-tin alloy are optimized and adjusted, and all the elements have a synergistic effect, so that the strength and the elastic modulus of the Cu-Ni-Sn alloy are remarkably improved, and the conductivity of the copper-nickel-tin alloy is not influenced; the prepared copper-nickel-tin alloy can still keep bright and attractive without darkening after being stored in air for a long time, and can be applied to connectors ...

Full -automatic hydraulic climbing template system

The utility model provides a full -automatic hydraulic climbing template system belongs to building construction field, and through operation hydraulic power control system, operating personnel just can realize that upper and lower self -commutation anti -falling device two types freely switches, and the automation carries on that the guide rail climbs, the support body climbs, and two types changes, has avoided the manual rotation of the workmans anti -falling device that commutates, after the first installation of full -automatic hydraulic climbing template system, the operation workman adjust lower part movable supporting leg make its core section of thick bamboo concrete on the surface, lower part movable supporting leg can climb and upwards roll along with whole support body, is supporting whole support body all the time, the repeated preparation work such as interim support that sets up before having avoided at every turn climbing, use the utility model provides a full -automatic ...

Method for treating screw pump two-way protective coupling surface

Take power overhead seat in plane frame of left -hand thread wheel

The utility model discloses a take power overhead seat in plane frame of left -hand thread wheel, its include a framework and set up in the framework both sides be used for the platform of connectivity platform frame connect and set up in the last mounting panel of the horizontal installation of power supply motivation in the framework, it is located to go up the mounting panel above platform frame's the platform face, the preceding open sides of framework sets up, the top of framework do not sets up a pair of looks vertically top push boat with four minutes of bottom, two angles in front side at the top of framework still are equipped with a left -hand thread wheel respectively, left -hand thread wheel with a top push boat in the push boat of a pair of looks vertically top sets up relatively. Utilize the top push boat on the frame of seat in the plane can trilaterally surround the front column that the guide rail put up with the left -hand thread wheel, can transmit the horizontal force ...

Method for improving wear resistance and conductivity of Cu-Ni-Sn alloy

The invention discloses a method for improving wear resistance and conductivity of Cu-Ni-Sn alloy, and relates to the technical field of microelectronic integrated circuit interconnection. The Cu-Ni-Sn alloy is prepared into the thin film through magnetron sputtering, the Cu-Ni-Sn uniform combined thin film with various different components and different application requirements can be prepared by regulating and controlling parameters such as magnetron sputtering power, deposition time and argon flow, and the thin film comprises, by weight, 75%-80% of Cu, 10%-20% of Ni and 0.9%-10% of Sn. A high-flux six-target magnetron sputtering film co-deposition preparation technology is adopted, so that the alloy film has low resistivity and high electromigration resistance, and has a wide passivation interval and low passivation current density compared with an aluminum-based alloy film serving as an interconnection wire material, and the comprehensive performance of the combined film is further ...

Method for preparing o-dihalogeno/trihalogeno benzene

The invention relates to a method for preparing o-dihalogeno/trihalogeno benzene. The method is characterized by comprising the following steps: performing reflux reaction on 4-substituted aniline and N-halogenated succinimide which are taken as raw materials in an organic solvent for 0.1 to 0.3 hour; then performing diazotization reaction; performing aftertreatment on a mixture obtained after the diazotization reaction so as to obtain o-dihalogeno/trihalogeno benzene. The method is low in raw material cost, easy in raw material obtainment, moderate in condition, wide in application range, high in yield as well as convenient, rapid and safe to operate, thereby being suitable for preparation of a large amount of o-dihalogeno/trihalogeno benzene. As a result, the method is suitable for large-scale production.