12results about How to "Easy to float" patented technology

The invention relates to the technical field of building materials, and discloses fire-resistant decoration waste exterior wall external thermal insulation mortar and a preparation method thereof. The fire-resistant decoration waste exterior wall external thermal insulation mortar comprises the following raw material components in parts by weight: 60-410 parts of cement; 120 to 550 parts of decoration waste recycled aggregate; 36 to 75 parts of SiO2 aerogel; 8 to 17 parts of a silane coupling agent; 1.3 to 2.1 parts of dispersible latex powder; 0.5 to 1.0 part of methyl cellulose; 7-15 parts of a water reducing agent; 0.2 to 0.4 part of an air entraining agent; and 120 to 180 parts of water. According to the invention, the low-cost and high-strength decoration waste recycled aggregate is used for partially replacing expensive and low-strength aerogel, so that the thermal insulation performance of the mortar is ensured, and the material cost is greatly reduced; the decoration garbage exterior wall external thermal insulation mortar can resist high-intensity fire disasters with the highest temperature of 1000 DEG C and the fire receiving time of 2.5 h, and can be applied to exterior wall external thermal insulation systems of high-rise and super high-rise buildings with high fire extinguishing difficulty.

The invention provides a composite flotation reagent for separating feldspar and quartz and a flotation method. The composite flotation reagent for separating the feldspar and the quartz comprises a first flotation agent, a second flotation agent and a third flotation agent, and the first flotation agent comprises, by mass, 20-25 parts of a collecting agent and 1-4 parts of a pH adjusting agent; and the second flotation agent comprises the following components in parts by mass: 6-8 parts of an inhibitor and 1-4 parts of mixed phosphate. According to the method, one-time flotation separation of quartz and feldspar is conducted on the lepidolite tailings through the flotation reagent, quartz fine sand with the SiO2 content higher than 99% can be obtained, the standard requirement of glass industry materials is met, and the effect is close to the flotation separation effect of hydrofluoric acid; therefore, the flotation process is simplified under the condition that the flotation effect is guaranteed, and compared with flotation separation conducted through a hydrofluoric acid method, the influence of flotation separation conducted through the composite flotation reagent for separating feldspar and quartz in the embodiment on the environment is greatly reduced.

The invention relates to a capsule polishing machine, and relates to the technical field of capsule polishing equipment, the capsule polishing machine comprises a polishing barrel, a polishing assembly, a stirring assembly, a cleaning assembly and a discharging assembly, the top end and the bottom end of the polishing barrel communicate with a feeding pipe and a discharging pipe correspondingly, and a plurality of polishing grooves are formed in the inner wall of the polishing barrel; the polishing assembly is arranged in the polishing cylinder and used for placing the capsules in the polishing groove and polishing the capsules. The stirring assembly is arranged in the polishing barrel and used for blowing and stirring dust in the polishing barrel. The cleaning assembly is arranged in the polishing barrel and used for discharging dust in the polishing barrel. The two ends of the discharging assembly are connected with the stirring assembly and the discharging pipe correspondingly, and the discharging assembly is used for discharging the polished capsules. The capsule polishing device has the effect of improving the capsule polishing effect.

The application relates to an epoxy resin pouring mold for insulators, belonging to the pouring mold field, which comprises a first mounting base, a second mounting base, an upper mold, a lower mold and a vacuum cover, the upper mold is fixedly installed on the lower surface of the first mounting base, the lower mold is fixedly installed on the upper surface of the second mounting base, the vacuum cover comprises an upper cover body and a lower cover body, the upper cover body is installed on the first mounting base, and the upper mold is located in the upper cover body, the lower cover body is installed on the second mounting base, and the lower mold is located in the lower cover body, when the upper cover body and the lower cover body are closed, the upper mold and the lower mold are located in the vacuum cover, a gas extraction hole is arranged in the side wall of the vacuum cover, the gas extraction hole is used for being connected with a gas extraction device, a pouring cavity is formed between the upper mold and the lower mold, and the mold between the pouring cavity and the vacuum cover is provided with a gas extraction channel. The application has the effect of reducing the problem of bubble residue in the pouring process.

The embodiment of the present application provides an odor isolation valve, a drain pipe and an air conditioner. The odor isolation valve comprises: a shell, the shell is provided with an inlet and an outlet oppositely, the inlet and the outlet are used for communicating with the drain pipe of the air conditioner; a partition plate, the partition plate is fixedly arranged in the shell, and the partition plate is located between the inlet and the outlet, a tapered communication groove is arranged on one side of the partition plate close to the inlet, the communication groove communicates with the inlet and the outlet; and a tapered floating element, the floating element is movably connected in the communication groove, so as to realize the switching of the communication groove between the open state and the closed state; wherein, in the closed state, the floating element and the communication groove have an included angle. In the embodiment of the present application, by making the floating element a tapered floating element, the communication groove a tapered communication groove, and making the floating element and the communication groove have an included angle in the closed state, the drainage of the odor isolation valve is simpler, and the user experience is improved.

This invention discloses a high-efficiency leveling and defoaming mechanism for self-leveling mortar, comprising a main body with an installation groove, wheels on the lower ends of both sides of the main body, a cover within the installation groove that slides within the groove, a first automatic telescopic rod at the upper end of the cover connected to the installation groove, a vacuum pump at the upper end of the cover with an air inlet connected to an air pipe, and a barometer inside the cover, a sealing ring at the lower end of the cover, and a control panel at the upper end of the main body. In this invention, the cover is pushed downwards by the first automatic telescopic rod, covering the self-leveling mortar laid on the ground. The sealing ring creates a relatively sealed environment. The vacuum pump operates to remove air from inside the cover, reducing the air pressure. As the air pressure decreases, air bubbles in the mortar expand, float to the surface, and burst, effectively removing air bubbles from the self-leveling mortar and ensuring the construction effect of the self-leveling mortar.

The invention relates to a method for reducing aggregation of Al2O3 inclusions in ultra-low carbon steel, and belongs to the technical field of refining. The method comprises the steps that in the converter tapping process, aluminum slag balls and small-particle lime are added into molten steel so as to carry out slag modification on the molten steel, and RH refining in-station molten steel is obtained; carrying out decarburization treatment on the RH refining incoming molten steel so as to reduce the carbon content in the RH refining incoming molten steel; carrying out deoxidation treatment on the decarburized RH refining incoming molten steel by using a magnesium-aluminum-iron alloy; and the deoxidized RH refining in-station molten steel is continuously subjected to RH vacuum circulation, so that Al2O3 inclusions in the RH refining in-station molten steel are reduced. In the RH refining process, magnesium-aluminum-iron alloy is adopted for deoxidation treatment, stable MgO.Al2O3 inclusions are generated, the inclusions float upwards more easily than independent Al2O3 inclusions and are removed, gathering of pure Al2O3 inclusions at a water gap can be obviously reduced, and therefore water gap blocking of the Al2O3 inclusions in the casting process is reduced.

The invention relates to a method for refining an RAFM steel structure through additional particles. The method comprises the following steps: mixing yttrium nitrate hexahydrate and zirconium nitrate pentahydrate in proportion, adding into deionized water, stirring, drying and roasting to obtain Y-Zr-O powder; mixing the Y-Zr-O powder, ferrotungsten powder and pure iron powder, and performing ball milling, cold pressing and hot sintering to obtain an intermediate alloy block; the preparation method comprises the following steps: preparing materials according to the composition of RAFM, putting the components into a vacuum induction furnace in advance for smelting, putting an intermediate alloy block into molten steel after all the components are smelted, preserving heat, and pouring to obtain a steel ingot containing micro-nano oxide particles. The method is easy and convenient to operate, low in cost and suitable for large-scale production and refinement of the structure of the RAFM steel, and the high-temperature performance of the RAFM steel is improved.

The present invention relates to a self-adhesive film for protecting a curved surface with a small curvature radius, comprising a self-adhesive layer, a core layer and a back layer, wherein the self-adhesive layer, the core layer and the back layer are compounded from top to bottom; the core layer component comprises an amorphous α-olefin copolymer and a hydrogenated styrene elastomer. The product made by the present invention can meet the surface protection of curved components with a small curvature radius within a radius of 75 mm, and the attached edge will not float, bubble or leave residue after long-term use.

The utility model discloses a vortex vibration structure of a vortex vegetable washing machine, which relates to the technical field of vegetable washing machines and comprises a vegetable washing sink and an arc-shaped net bag arranged in the sink body of the vegetable washing sink, a fixing frame is fixed on the bottom wall of an inner cavity of the vegetable washing sink, a rotating rod is rotatably mounted on the bottom wall of the inner cavity of the vegetable washing sink, and a rod body of the rotating rod penetrates through the top wall of the fixing frame through a bearing. Turbine blades are fixed to the top end rod body of the rotating rod, a first bevel gear is fixed to the top rod body of the rotating rod, vertical plates are fixed to the top walls of the two sides of the fixing frame, and transmission rods are rotationally connected between plate bodies of the vertical plates and the inner cavity wall of the adjacent vegetable washing sink. Vortex and vibration are matched with each other, in the cleaning process, the vortex scours off impurities on the surfaces of vegetables, then the impurities are precipitated or floated more easily through vibration, follow-up separation treatment is facilitated, when the vortex is generated, vibration can promote precipitates to be gathered at the bottom more quickly, discharging is facilitated, and the vegetable cleaning efficiency is improved. And rapid separation of impurities and vegetables is facilitated.

The float valve comprises a valve seat provided with a vertically-through channel and a floater floating up and down along the channel so as to be provided with an opening position and a closing position, an air inlet is formed in the lower portion of the floater, and a small-diameter section and a large-diameter section which are arranged up and down are arranged on the upper portion of the floater. The outer diameter of the large-diameter section is larger than that of the small-diameter section; at the opening position, the part, located in the channel, of the small-diameter section is provided with an air outlet in the transverse direction, and an air passing gap is formed between the small-diameter section and the inner wall of the channel. In the cooking process, along with steam discharge, part of steam is condensed into water, and the condensed water can seal the air passing gap in a liquid mode, so that the upper pressure in the cooking cavity is facilitated, and the floater is easier to float upwards.

The full-automatic oil separation lifting equipment comprises an oil separation assembly, and the oil separation assembly comprises an oil separation bin, a drainage part and an oleophobic cover; a water inlet pipe is arranged on one side of the oil separation bin, and the interior of the oil separation bin is communicated with the outside through the water inlet pipe; the drainage part comprises a drainage pipe and an overflowing disc, one end of the drainage pipe is connected with the water inlet pipe, the drainage pipe and the water inlet pipe are communicated with each other, the overflowing disc is connected with the end, away from the water inlet pipe, of the drainage pipe, and the interior of the drainage pipe is communicated with the interior of the overflowing disc; the oleophobic cover comprises an inner ring, a plurality of arc-shaped rods, a plurality of vertical rods and a plurality of resistance wires, the arc-shaped rods are arranged at equal intervals in the circumferential direction of the inner ring, the vertical rods are fixedly connected with the arc-shaped rods and are parallel to the axis of the inner ring, the vertical rods are attached to the inner wall of the overflowing disc, and the resistance wires are arranged on the inner ring. The efficiency of separating grease in sewage by the oil separation lifting equipment is improved.