5results about How to "Conducive to solidification" patented technology

The invention relates to the technical field of electroslag remelting slag. The invention discloses a special slag system for an ingot pulling type electroslag remelting nitrogen-controlled austenitic stainless steel ingot, which comprises the following components in percentage by mass: 45-50% of CaF2, 25-30% of Al2O3, 15-20% of CaO, 3-6% of MgO, 5-10% of SiO2 and the balance of impurities, and the content of the impurities is less than or equal to 1%. The binary alkalinity CaO / SiO2 is 1.5 to 4; the melting point of the special slag system is 1250-1280 DEG C, the viscosity value of the special slag system at the temperature of 1600 DEG C is 0.044-0.053 Pa.s, and the resistivity of the special slag system at the temperature of 1600 DEG C is 0.51-0.55 omega.cm. According to the slag system, by optimizing the components of the slag system, the physical and chemical properties of the slag system are further improved, the slag-metal reaction is inhibited, and the production process requirements of ingot pulling type electroslag remelting large stainless steel ingots are met. The produced nitrogen-controlled austenitic stainless steel ingot is good in surface quality and free of defects such as obvious pits, slag runners and double skins; and easily oxidized elements Al and Si in the steel in the remelting process are uniformly distributed in the height direction of the cast ingot, so that the uniformity of alloy textures is ensured.

The invention discloses a pure kelp powder extruded puffed food and a preparation method thereof, and belongs to the field of food processing. The method comprises the following steps: (1) drying kelp, crushing, and sieving to obtain kelp powder; (2) extruding and puffing the kelp raw material powder by using a twin-screw extruder, and setting the extrusion temperature of each area of the twin-screw extruder, the kelp powder feeding amount, the water inlet amount and the screw rotating speed; and (3) finally, collecting a product obtained in the step (2), and finishing and forming after the product is cooled. The kelp powder is used as the raw material, and no grease is added, so that the prepared puffed food is low in calorie, rich in various components such as dietary fibers, high in nutritional value and balanced in nutrition; through a twin-screw extrusion technology, the raw materials are puffed in a high-temperature and high-pressure state, caramelization and Maillard reaction of the materials are promoted, insoluble dietary fibers are converted into soluble dietary fibers, and the product is endowed with unique flavor and crisp taste.

The present application relates to the technical fields of mine filling, in particular to a kind of mine goaf partition isolation and directional filling integrated equipment, including center column, one end of center column is communicated with injection tube for infusion paste, the end of injection tube away from center column is communicated with transport equipment for transporting paste;Center column is equipped with frame forming mechanism for keeping paste solidification forming around;Frame forming mechanism includes spacing plate evenly arranged along the length direction of center column, the end of injection tube away from transport equipment is communicated with filling bag loaded with paste, and slit for small and medium-sized particles in paste to pass through is opened on filling bag;Current height corresponding spacing plate is fixedly connected with filling bag between next layer height direction, and pull rope is used to push spacing plate to center for closing based on the weight of filling bag;The present application strengthens the support effect of paste initial solidification process on goaf, improves the geological stability in goaf isolation and filling process.

The present invention belongs to the field of casting technology, specifically a horizontal direct pressure liquid die forging casting machine, comprising a base, a workbench 2 is fixedly connected to the left side of the upper end of the base, a lower die is fixedly connected to the upper end surface of the workbench 2, a workbench 1 is fixedly connected to the right side of the upper end of the base, an injection port is arranged on one side of the upper end of the upper die, a pressure device is arranged on one side of the upper end of the upper die, and the pressure device is used to apply pressure to the metal liquid in the die cavity; the present invention realizes the use of a partitioned falling stacking mechanism, which can make the demoulded workpieces stacked neatly, eliminating the need for staff to manually remove the workpieces many times and the process of arranging the workpieces, avoiding fatigue of the staff, and can control the number of workpieces dropped at one time before the workpieces fall from between the limit plates, thereby avoiding the situation where a large number of workpieces fall at one time, which makes it difficult for staff to lift them, thereby affecting the normal progress of the transportation work.