9results about How to "Improve degassing effect" patented technology

A crucible loading device includes an outer frame comprising a weighing sensor mounting platform and a set of weighing sensor mounting platform support legs; a material cylinder and a set of weighing mechanisms; a feeding pipe; a crucible conveying mechanism connecting bracket located below the weighing sensor mounting platform; a crucible feeding mechanism located on the upper part of the crucible conveying mechanism connecting bracket; a crucible feeding pipe fixing plate opening and closing drive mechanism located on the upper rear side of the crucible conveying mechanism connecting bracket; a degassing screw mechanism, a valve plate connecting plate, an assembled dust suction hood, a set of feeding opening and closing valve plates, and a set of feeding opening and closing valve plate actuation mechanisms; a stirring screw drive mechanism located in the center of the material cylinder cover; and a stirring screw. The device is characterized by further including a degassing actuator, a dust suction actuator, and a cylinder cavity material loosening and stirring mechanism. The degassing actuator is located on the material cylinder cover. The degassing screw mechanism includes upper and lower degassing screws and upper and lower degassing screw filter sleeves. This allows for convenient and quick removal of the stirring screw from the bottom, ensuring effective degassing of the material.

The invention discloses a modified organic silicon defoaming agent as well as a preparation method and application thereof, and belongs to the field of papermaking defoaming agents. The preparation method comprises the following steps: firstly, carrying out addition reaction on hydrogen-containing silicone oil, alkyne and enol to obtain an alkyne modified organic silicon defoaming agent intermediate; performing high-temperature phase inversion emulsification on the alkyne modified organic silicon defoaming agent, docosanol, octadecanol and an emulsifier to obtain the alkyne modified organic silicon defoaming agent. The modified organic silicon defoaming agent obtained by the preparation method disclosed by the invention is applied to a papermaking section, not only can quickly eliminate foams on the surface of a system, but also can remove small bubbles attached to the surfaces of fine fibers in pulp, so that the gas content of a paper machine system is reduced, the operation efficiency of a paper machine is improved, and the modified organic silicon defoaming agent has the characteristics of no toxicity, no harm, simple process and the like.

The utility model provides an efficient degassing system for aerobic granular sludge based on internal circulation degassing, which relates to the field of biological sewage treatment and comprises an aerobic reactor and an internal circulation degassing unit, the aerobic reactor is provided with a water inlet and an effluent weir, and an aerator is arranged inside the aerobic reactor; the internal circulation degassing unit comprises a degassing cylinder and a gas collecting cover arranged above the degassing cylinder, a guide cylinder is arranged in the degassing cylinder, the guide cylinder is opened up and down, the upper part of the guide cylinder is an inlet and is connected with an effluent weir through a guide pipe, a guide sheet is arranged in the guide cylinder, and an inclined baffle fixed on the inner wall of the degassing cylinder is arranged on the outer side of the guide cylinder; a water outlet in the upper part of the degassing cylinder is connected with the water inlet through a circulating pump; the degassing cylinder is communicated with the reactor through the flow guide pipe, the degassed sludge returns to the reactor through the circulating pump to form a closed loop, and through multi-mechanism collaborative degassing, the problem of particle floating caused by bubble adhesion, air bag and floc entrainment can be effectively solved, and the degassing effect is good.

The utility model belongs to the technical field of tower plate structures, and particularly relates to a multi-stage honeycomb-distributed crude oil vacuum degassing tower plate structure, which comprises a shell, an external vacuum device for forming a vacuum environment inside the shell, and an inner cavity of the shell is sequentially provided with an input pipe, an output pipe, a gas inlet pipe, a gas outlet pipe and a gas outlet pipe from top to bottom, the honeycomb tower plate assembly increases the contact area of crude oil and a vacuum environment. Through the systematic layout of the shell, the input pipe, the honeycomb tower plate assembly, the stirring mechanism and the discharging pipe, a complete crude oil vacuum degassing system is constructed; the external vacuum device enables a vacuum environment to be formed in the shell and provides driving force for degassing; the honeycomb tower plate assembly can increase the contact area between the crude oil and the vacuum environment, so that the crude oil can be better subjected to degassing reaction; the stirring mechanism can crush bubbles in crude oil, so that the mass transfer efficiency is improved; all the parts work cooperatively, and the problems that traditional degassing equipment is low in efficiency and high in energy consumption are effectively solved.

The utility model discloses a fishery breeding water treatment device which comprises a degassing tower, a plurality of air chambers, a plurality of oxygen pipes, oxygen supply equipment, a water spraying pipe and a receiving tank, the upper end of the degassing tower is open, the side wall of the degassing tower is provided with an air inlet, and the air chambers are arranged below the degassing tower and communicated with the degassing tower; an oxygen inlet and an oxygen outlet are formed in the side wall of the air chamber; one end of the oxygen pipe is connected with an oxygen outlet of one air chamber, the other end of the oxygen pipe is connected with an oxygen inlet of the other air chamber, and all the air chambers are sequentially communicated through the oxygen pipe; the oxygen supply equipment is connected with the oxygen inlet on the first air chamber in the plurality of air chambers which are sequentially communicated through an oxygen inlet pipe and is used for supplying oxygen to the air chambers; the water spraying pipe is arranged at the top end of the degassing tower and is used for spraying water downwards; the receiving pool is arranged at the lower end of the air chamber and used for receiving water flowing down from the air chamber, and a water outlet is formed in the bottom of the receiving pool and used for draining water. According to the water treatment device for fishery breeding provided by the utility model, the degassing equipment and the oxygenation equipment are longitudinally stacked, so that the occupied area is small, and the degassing and oxygenation effects are good.

The invention relates to the technical field of aluminum alloy materials, in particular to a high-impact-resistance aluminum alloy and a preparation method thereof.The high-impact-resistance aluminum alloy comprises, by mass, 0.03%-0.15% of silicon, 0.03%-0.15% of aluminum, 0.05%-0.15% of silicon, 0.05%-0.15% of silicon, 0.05%-0.15% of silicon, 0.05%-0.15% of silicon, 0.05 4.2%-4.4% of copper; 0.01 to 0.05 percent of chromium; 0.8 to 1.0 percent of magnesium; 0.05 to 0.08% of zinc; 0.7%-0.9% of manganese; 0.15%-0.25% of niobium; 0.01 to 0.05 percent of strontium; 0.08% to 0.12% of zirconium; 0.01 to 0.05 percent of titanium; 0.2 to 0.25 percent of rare earth elements; less than 0.12% of impurity iron; other impurity elements are less than 0.1%; and the balance of aluminum. The rare earth elements comprise cerium, scandium, yttrium and erbium. The prepared aluminum alloy has high strength and high impact resistance at the same time.

The utility model provides a molten aluminum refining degassing pipe. The molten aluminum refining degassing pipe comprises an upper pipe, a lower pipe and a connecting part, the upper end of the lower pipe sleeves the outer side of the upper pipe and is in sliding fit with the outer side surface of the upper pipe; a through hole is formed close to the lower end of the lower pipe; the connecting part comprises a fixed box and a moving part, the fixed box is fixed to the outer side of the upper pipe, an iron sheet is arranged on the upper side face of the fixed box, the moving part is fixed to the outer side wall of the upper end of the lower pipe, and a magnet is arranged on the moving part; the moving part is arranged in the fixed box. According to the utility model, the blowing range is expanded, the uniformity is ensured, and the degassing effect is better. It is ensured that the distance between the through hole and the furnace bottom is 10-15 cm, it is ensured that the blowing position is standard, the blowing precision is improved, and the molten aluminum refining degassing effect is ensured.

This invention provides a process for preparing a recycled polypropylene degassing membrane and the recycled polypropylene degassing membrane, comprising the following process steps: S1, mixing and granulation: extruding and granulating polypropylene raw materials with a recycled polypropylene mass ratio of 55wt%-75wt% to obtain raw material particles; S2, melt spinning; S3, cooling and film formation: firstly, passing through an air section with a length of 30-100mm and a temperature of 5-10℃ for outer surface pre-cooling; then, passing the semi-solid membrane fibers sequentially through an air section with a length of 300-1000mm and a temperature of 80-100℃ for heat preservation and cooling, and then through an air section with a length of 300-1000mm and a temperature of 30-50℃ for natural cooling to obtain nascent membrane fibers; S4, corona treatment; S5, stretching and pore formation; S6, heat setting treatment: heat setting the stretched membrane fibers under heat treatment conditions of 120-140℃, heat treatment time of 30-40min, and stretching ratio of 1-3% to obtain finished membrane fibers. This invention uses recycled polypropylene granules as raw material to produce a polypropylene degassing membrane that combines high air permeability, low leaching, and long service life.

This utility model discloses an environmentally friendly adhesive centrifugal degassing device, including a protective box. A turntable is installed in the middle of the protective box, and a servo motor is installed in the middle of the bottom of the protective box. A centrifugal frame is fixed on the upper end of the turntable, and the centrifugal frame has inclined structures at both ends. The beneficial effects are: this utility model, by setting four sets of protective support mechanisms composed of limiting rods, limiting seats, and limiting wheels on the outside of the rotating cylinder, ensures the rotation performance of the rotating cylinder during centrifugal degassing. It also provides auxiliary support to the rotating cylinder, preventing uneven wear at the connection between the cylinder and the centrifugal frame due to uneven force caused by the cylinder being suspended in the air. This ensures the stability of the cylinder during rotation, resulting in not only good degassing effect but also long service life and strong functionality, exhibiting high performance.