15results about How to "Speed up overflow" patented technology

The invention discloses a laser-strengthened wear-resistant powder metallurgy valve seat, which relates to the technical field of powder metallurgy, and comprises a middle concave platform, a collecting hopper is arranged at the top of the middle concave platform, a mold charging barrel is arranged in the collecting hopper, and a plurality of round rods are fixedly connected between the inner wall of the collecting hopper and the outer wall of the mold charging barrel; and a detachable collecting frame is arranged at the bottom of the collecting hopper. Through the arranged die pressing mechanism and the pressing vibration mechanism, when the detachable upper die presses raw material powder in the die charging barrel, the die charging barrel can be synchronously driven to vibrate, so that the raw material powder in the die charging barrel is dispersed, and the uniformity and sufficiency of pressing are guaranteed; and meanwhile, under the vibration effect, overflowing raw materials can conveniently and rapidly fall into the collecting hopper from the edge of the top end of the mold charging barrel, and collection of overflowing raw material powder is accelerated.

The invention relates to the technical field of nuclear materials. The invention discloses a welding method of a metal hafnium plate, which comprises the following steps of: pretreating a to-be-welded surface of the to-be-welded metal hafnium plate to obtain the treated to-be-welded metal hafnium plate; aligning the two treated metal hafnium plates to be welded in a first plane, and performing spot welding and fixing to obtain a test piece to be welded; and the to-be-welded test piece is fixed to a welding platform, and high-frequency oscillation scanning electron beam welding is conducted on the to-be-welded test piece in a vacuum electron beam welding machine. During vacuum electron beam welding, the electron beam high-frequency oscillation scanning process is added, stirring oscillation of a welding pool is achieved, effective overflow of internal gas is promoted, welding defects are reduced, a certain inhibiting effect on growth of crystal grains in a welding seam is achieved, and the mechanical property of the welding seam is improved.

The invention relates to the related technical field of refrigerating systems, and particularly discloses an automatic defrosting gas-liquid separator for a refrigerating system, which comprises a separator shell of a barrel-shaped structure, an upper cover body and a lower cover body are fixedly mounted on the upper side and the lower side of the separator shell respectively, and a liquid inlet pipe communicated with the separator shell is fixedly mounted on the side surface of the separator shell; and a liquid outlet pipe is fixedly installed below the lower cover body, and an exhaust pipe communicating with the interior of the separator shell is fixedly installed on the upper surface of the upper cover body. According to the automatic defrosting gas-liquid separator for the refrigerating system, when liquid enters through a liquid inlet pipe, an upper blade is pushed, the upper blade is used for driving a first baffle to rotate, the first baffle drives a center rotating shaft to rotate, and at the moment, the center rotating shaft drives a reciprocating lead screw to rotate under the action of a synchronous belt; the reciprocating screw rod drives a movable ring which is installed outside the reciprocating screw rod in a penetrating and threaded mode to move up and down in the rotating process, and frost on the outer surface of the separation shell is removed through a defrosting brush on the inner side surface of the movable ring.

The invention discloses a reductant performance diagnosis process and degassing equipment in a titanium dioxide bleaching process, relates to the technical field of titanium dioxide production, and comprises the following steps; S1: accurately measure 1-2 ml reductant sample and add it to a conical flask; S2: add 50 ml of distilled water treated by a degassing equipment and at room temperature to the conical flask, wherein the degassing equipment is mainly used for gases dissolved in distilled water; S3: then drip sulfuric acid with a mass fraction of 20% to the conical flask, and control the pH of the solution system to be 1-3; S4: then titrate with a potassium permanganate standard solution with a concentration of 0.4921 mol / l, from colorless titration to red at the end point, and the end point is that the color does not fade for 30 seconds, and the titration volume V is recorded; S5: evaluate the reducing ability of the reductant by multiplying the concentration of the potassium permanganate standard solution by the volume divided by the sampling volume. The process is simple and can quickly and accurately detect the reducing ability of the reductant.

The invention discloses an energy brick for energy supplementation in the lactation period of sows, and belongs to the technical field of energy supplements. The energy brick comprises the following components: grease, carbohydrate, a protein raw material, amino acid, an element supplement, vitamins and an additive. The energy brick for supplementing energy in the lactation period of the sows does not contain antibiotics and chemical synthetic drugs, does not cause adverse effects on growth of the sows, and does not indirectly affect human health; the energy brick for supplementing energy in the lactation period of the sows is formed in a brick form, so that the energy brick is convenient to store and transport, the sows mainly eat food in a licking mode, the feeding speed of the sows can be slowed down, the feeding frequency is reduced, and meanwhile, continuous supply of energy can be effectively guaranteed.

The invention belongs to the technical field of polyester films, and relates to a preparation method of a high-temperature-resistant low-precipitation polyester film, which comprises the following steps: sequentially crystallizing, dedusting and drying a polyester raw material, carrying out melt extrusion by a melt extruder, feeding into a coarse filter, feeding a polyester melt subjected to coarse filtration into a devolatilization device, and carrying out devolatilization to obtain the high-temperature-resistant low-precipitation polyester film. The polyester melt subjected to devolatilization enters a metering extruder and a fine filter in sequence, the polyester melt subjected to fine filtration enters a die head through a melt pipe, is extruded from the die head and is cooled by a sheet casting roller to form a thick sheet, and then the thick sheet is subjected to the procedures of longitudinal stretching, transverse stretching, heat setting and traction rolling in sequence to prepare the high-temperature-resistant low-precipitation polyester film. The devolatilization device comprises a shell, a screw rod, an electric field generating device and a plurality of star-shaped rotors mounted in the shell. The content of low molecules in the polyester film is greatly reduced through the specially designed devolatilization device, the quality of the prepared polyester film is better, and high temperature resistance and low precipitation performance are achieved.

The application relates to the technical field of plant extracts, and discloses a forsythia suspense leaf extract and application thereof. The preparation method of the forsythia suspense leaf extract is as follows: (1) forsythia suspense leaves are treated by killing green, drying and crushing, and then sprayed with a sodium hydroxide-ethanol solution and sealed and placed, followed by drying and steam explosion to obtain solid A; (2) solid A is extracted by refluxing with an ethanol solution, and then subjected to solid-liquid separation and concentration to obtain concentrated solution A, anhydrous ethanol and an additive are added into the concentrated solution A, stirred, placed, subjected to solid-liquid separation, concentrated into a paste, and then water is added into the paste, mixed, and concentrated to obtain concentrated solution B; (3) concentrated solution B is placed at room temperature, subjected to solid-liquid separation, and the collected solid is dried to obtain the forsythia suspense leaf extract. The preparation method of the forsythia suspense leaf extract in the application can effectively extract forsythoside in the forsythia suspense leaves, and the content of forsythoside in the extract can reach more than 60%.

This invention discloses an ultrasonic-assisted solid-state water electrolysis online hydrogen production device and method. The device includes a water electrolysis reactor and a water tank, with the reactor fixedly installed in the water tank. The lower part of the reactor is filled with a bed of water electrolysis material. A hydrogen outlet is located at the upper end of the reactor, and a water inlet is located at the lower end. A peristaltic pump is connected to the reactor inlet and is located in the water tank. An ultrasonic transducer is installed on the outer wall or bottom surface of the reactor. By installing an ultrasonic transducer on the outside of the reactor, the high-frequency vibration of the ultrasonic bed during the water electrolysis process effectively reduces the non-uniform water diffusion caused by material agglomeration, adhesion, and byproduct coverage. This allows water to diffuse uniformly to the material surface, resulting in a stable hydrogen production reaction and improving the stability of hydrogen supply. Ultrasonic waves also enhance the thermal conductivity of the water electrolysis material bed, improving the thermal management of the reactor during the water electrolysis process.

The utility model relates to the technical field of VOC (volatile organic compound) waste gas treatment, and discloses a VOC waste gas treatment zeolite powder fluidization desorption device which comprises a base, a stirring barrel fixedly mounted on the side edge of the top end of the base, a motor fixedly mounted at the top end of the stirring barrel, a rotating shaft fixedly mounted at the axis of the motor, and a stirring rod fixedly mounted on the peripheral surface of the rotating shaft, a frame is fixedly mounted at the top end of the stirring barrel, an air inlet pipeline is fixedly mounted on one side of the top end of the stirring barrel, a control valve is fixedly mounted at the middle end of the air inlet pipeline, an exhaust pipe is fixedly mounted on the other side of the top end of the stirring barrel, a first filter plate is fixedly mounted at the bottom end in the exhaust pipe, and a filter barrel is fixedly mounted at the top end; a fan is fixedly mounted at the top end of the base; an air outlet pipe is fixedly mounted on the side edge of the fan; a heater is fixedly mounted at the top end of the air outlet pipe; and an air guide pipe is fixedly mounted at the output end of the heater.

The present invention discloses a preparation method of a ginsenoside extract for improving mitochondrial function, and the specific steps are: after pre-treatment of fresh ginseng, ultrasound-assisted flash extraction is performed, after centrifugation, an extract is obtained, and after fermentation, purification is performed, and rotary evaporation is performed using a rotary evaporator to obtain a ginsenoside extract. In the present invention, through the mutual cooperation of multiple steps, the biological components in ginseng can be gradually separated and processed, and through fermentation and enzymatic treatment, ginsenoside Rd can be converted into Rd, and ginsenoside Rd can be further converted into rare saponin F2, and finally converted into Rg3 and CK, so that the obtained ginsenoside has more excellent antioxidant and antibacterial effects, so that the application value is higher, and the crude polysaccharide components contained are separated, the purity of ginsenosides in the extract is improved, so that the mitochondrial function improvement of ginsenosides is further improved.

The invention discloses a motor glue filling tool and a motor glue filling method, and relates to the technical field of motor stator machining, the motor glue filling tool comprises a motor placing seat, a limiting unit and an auxiliary unit are installed on the motor placing seat, and a motor assembly and a feeding pipe are installed on the auxiliary unit. The device has the beneficial effects that hot air is conveyed into the air guide hole through the quick plug, heat preservation is carried out on the stand column, the motor isolation sleeve and the motor assembly, temperature loss is reduced, and it is avoided that flowing of glue in the motor assembly is affected by cooling, and meanwhile airflow flowing in the air guide hole drives the rotating shaft, the telescopic mechanism and the hammer head to rotate through the blades; and the vertical column is knocked and vibrated in the rotating process, through knock vibration, overflow of air in glue is accelerated, flowing is accelerated, the motor assembly is evenly filled with the glue, the situation that filling is not in place is avoided, and the glue filling quality and efficiency are improved.

The present invention relates to the technical field of engineering machinery, and provides a drill rod and engineering machinery, wherein the drill rod comprises: an outer rod, a core rod arranged inside the outer rod, and an intermediate rod arranged between the outer rod and the core rod, the intermediate rod and the core rod are telescopically arranged inside the outer rod in sequence, the top end of the intermediate rod is open, and at least a through first water flow hole is provided on the side wall of the intermediate rod. The drill rod and engineering machinery provided by the present invention are provided with an open top end of the intermediate rod, and the mud overflowing from the upper end can enter the inner cavity of the intermediate rod from the open top end of the intermediate rod, thereby increasing the discharge channel of the mud, which is conducive to the smooth discharge of the mud; the through first water flow hole is provided on at least the side wall of the intermediate rod, which is conducive to the mud in the inner cavity of the outer rod entering the inner cavity of the intermediate rod for discharge, thereby improving the slurry discharge capacity; and the overflowing mud can enter multiple inner cavity channels through the first water flow hole, which is conducive to accelerating the discharge of the mud and reducing the risk of mud overflowing from the upper end of the drill rod.

This invention discloses a mold for manufacturing lamp shades that facilitates mold opening, relating to the field of lamp shade injection molding technology. The mold includes a concave mold and a convex mold, which are vertically separated. Each mold consists of an outer metal shell and an inner ventilated steel layer, with a cavity between them. The cavities in the concave and convex molds are interconnected. An injection tube is located in the center of the convex mold, positioned above and inside the mold. An air injection pipe is located on one side of the convex mold, with one end connected to an air pump. The air injection pipe is connected to the cavity. An electric heating system and a water cooling system are installed inside the concave and convex molds. By using ventilated steel as the molding cavity, combined with a negative pressure mechanism and a pressure holding mechanism, this invention ensures that the molten plastic fills the entire molding cavity during molding, thereby improving the yield rate of lamp shade production.

The application discloses a V+1 type magnetic steel slot topology structure for driving a motor rotor, relates to the technical field of permanent magnet synchronous motors, and comprises a rotor which is formed by adhering a plurality of rotor punching sheets, and further comprises: a magnetic circuit structure which is arranged at equal angles on the rotor punching sheet and is used for forming a directional fixed magnetic field around the rotor punching sheet; and a heat conduction structure which is arranged at equal angles on the rotor punching sheet and is located on the inner side of the magnetic circuit structure, and is used for accelerating the heat conduction of the heat which is retained in the rotor punching sheet due to centrifugal force when the rotor punching sheet rotates with the motor starting; the heat conduction structure comprises rotor weight-reducing holes which are arranged at equal angles and are opened in the rotor punching sheet, and the inner wall of the rotor weight-reducing hole is fixed with a flow guide plate. The application utilizes the inclined heat dissipation through grooves formed by the rotor weight-reducing holes and the spiral plate structure formed by splicing a plurality of flow guide plates to accelerate the heat dissipation of the heat in the rotor weight-reducing holes.

The invention discloses a nest-shaped P, Fe-NiMoO4 self-supporting electrode material and a preparation method thereof.The electrode material is composed of NiMoO4 of a nest-shaped structure formed by a P, Fe-co-doped nanowire network growing on foamed nickel in situ, (NH4) 6Mo7O24. 4H2O and FeCl3. 6H2O serve as raw materials, the treated foamed nickel is placed in a high-pressure kettle, and a Fe-NiMoO4 sample is obtained through a hydrothermal method. The obtained Fe-NiMoO4 sample is placed in a tubular furnace, NaH2PO2.H2O is placed on the upstream of the tubular furnace, nitrogen is introduced, and P and Fe-NiMoO4 samples are obtained through temperature programming. P and Fe-NiMoO4 self-supporting electrode materials grow on foamed nickel in situ, material transfer is facilitated, bubble overflow is promoted, and the working stability is improved; and meanwhile, P and Fe-co-doping can increase the charge transfer capability, expose more active sites and regulate the electron configuration, and is beneficial to optimizing the adsorption energy of an OER intermediate, thereby greatly improving the catalytic efficiency. The electrode material not only has excellent water electrolysis oxygen production performance, but also can be used for electrocatalytic oxidation purification treatment of harmful substances such as H2S, drugs and organic dyes in industrial wastewater.