100results about How to "Less agitation" patented technology

The invention discloses a small-sized rapid-precipitation environment-friendly sewage treatment device, which comprises a sedimentation tank, a driving motor and a filter tank; A brush plate; a drive shaft is provided under the filter plate, and spiral blades in opposite directions are provided on the left and right sides of the drive shaft. The present invention is equipped with reverse spiral blades and trapezoidal material guide plates to horizontally stir and mix the sewage and flocculants, so that the flocculants can be rapidly diffused and mixed, improving the efficiency of flocculation and sedimentation, and at the same time reducing the impact on the settled sludge. Stir to improve the efficiency of sedimentation; the present invention is provided with a reciprocating brush to avoid clogging of the filter holes and ensure normal filtering; the present invention is provided with a filter plate, a sandstone packing plate and an activated carbon packing plate that are easy to disassemble, and has better Excellent purification effect, easy to disassemble and clean.

The invention discloses an inertial electrode low-temperature aluminium electrolytic cell comprising a electrolytic cell body, a metallic ceramic inertial anode, a wettable cathode and a low-temperature electrolyte, wherein, the wettable cathode is arranged at the bottom of the electrolytic cell body; the low-temperature electrolyte is arranged in the electrolytic cell body; the metallic ceramic inertial anode is arranged at the upper part of the electrolytic cell body, and end part of the metallic ceramic inertial anode extends into the low-temperature electrolyte; the metallic ceramic inertial anode is composed of at least two groups of metal ceramic inertial anode sets; each metallic ceramic inertial anode set is composed of at least two metallic ceramic inertial anode monomers; the metallic ceramic inertial anode sets and the metal ceramic inertial anode monomers in the same metal ceramic inertial anode sets are both in electrical parallel connection. The inertial electrode low-temperature aluminium electrolytic cell has reasonable structure, simple and convenient operation, stable operation, less oxygen discharge and small aluminium liquid fluctuation, low electrolytic cell voltage, low operation temperature and less energy consumption, and is suitable for industrial application.

The invention discloses a magnetic levitation overspeed test bed for an impeller overspeed test. The magnetic levitation overspeed test bed comprises a support, a main machine, an electric control cabinet and a vacuum pump. The main machine, the electric control cabinet and the vacuum pump are installed on the support. The main machine comprises a motor shell, a motor rotor and a motor stator, wherein the motor rotor and the motor stator are installed in the motor shell. The upper tail end of the motor rotor extends out of the upper end face of the motor shell. The motor rotor is provided with an upper radial magnetic bearing, a lower radial magnetic bearing, an upper thrust magnetic bearing, a lower thrust magnetic bearing and a thrust disc. The upper tail end of the motor rotor is connected with a safety connector and a pull rod screw which are used for fixing an impeller to the upper end of the motor rotor. A protective cover is arranged at the position, around the impeller, of the motor shell. A protective cover lid is installed on the protective cover. The upper surface of the motor shell, the protective cover and the protective cover lid jointly form a closed contained wrapping the impeller. A buffer block is installed on the inner wall of the protective cover. A vacuumizing connector is formed on the protective cover lid. A vacuumizing pipe is installed on the vacuumizing connector. The other end of the vacuumizing pipe is connected to the vacuum pump.

The invention discloses a sewage treatment system. The sewage treatment system is characterized in that a sludge adjusting pond is connected with an inlet pipeline of a first-order neutralization reaction tank through a lift pump; an outlet pipeline of the first-order neutralization reaction tank is connected with the inlet pipeline of a primary thickener; a sludge outlet of the primary thickener is connected with a sludge concentrating pond through the lift pump; the outlet pipeline of the primary thickener is connected with the inlet pipeline of a second-order neutralization reaction tank; the outlet pipeline of the second-order neutralization reaction tank is connected with the inlet pipeline of a secondary thickener; the sludge outlet of the secondary thickener is connected with the sludge concentrating pond through the lift pump; a supernate pipe orifice on the sludge concentrating pond is connected with the sludge adjusting pond; the sludge outlet of the sludge concentrating pond is connected with a filter press through a mortar pump; a liquid outlet of the filter press is connected with the sludge concentrating pond; the outlet pipeline of the secondary thickener is connected with a recycling pool. By adopting the sludge treatment system, the handling capacity of the filter press is greatly reduced; the sludge treatment cost is also reduced.

The invention provides a film method drinking water treatment equipment and a treatment method thereof. According to the treatment equipment of the invention, the film method drinking water treatment equipment comprises: a pretreatment unit, a coagulation tank and a film separation tank; a wide grille and a Y-shaped pipeline filter, etc. are arranged in the pretreatment unit for pre-treating the raw water and avoiding the blockage to a water pump and an inlet water meter by impurities in the raw water; the coagulation tank is a mechanical coagulation tank for coagulating the raw water; and the film separation tank adopts a curtain type membrane module structure to filter the raw water. The raw water is put with a coagulant after going through the pretreatment unit and then enters the coagulation tank, and the water treated by coagulation is treated by components of the curtain type membrane module. The drinking water treatment equipment adopts the combination of coagulation and membrane filtration to treat the micro-polluted surface water, and can fully prevent bacteria and effectively remove various suspended particles, bacteria, algae, COD and organic matters in water, thereby ensuring the excellent water quality with nearly zero water suspended substance.

The invention relates to a concentrated automatic control switching type feeding system and a control method thereof in the field of manufacturing of optical fiber. The system comprises a central material tank, a weighing device, a diaphragm pump, an air bubble early warning device, a control valve I, a control valve II, a control valve III, a control valve IV, a defoaming device, a coating filter, a main pipeline, a control valve V, a coating barrel, a charging pipe, a coating liquid level sensor, a discharging pipe, a central controller and an upper computer; the central material tank is placed on the weighing device and is connected with the diaphragm pump by a hose through a connector, the outlet of the diaphragm pump is connected with the air bubble early warning device, the coating filter is connected with the main pipeline, branches of the main pipeline are respectively connected with the coating barrel in each line, and the central controller is jointed with the upper computer.

The invention provides a soil tillage device with deep scarification and harrow smashing and leveling functions, and belongs to the technical field of agricultural machinery. The soil tillage device comprises a deep scarification device, a harrow smashing and leveling device, a connection mechanism of the deep scarification device and the hollow smashing and leveling device, and a lifting mechanism controlling the working height of the harrow smashing and leveling device. The deep scarification device is arranged on the front part, and the harrow smashing and leveling device is arranged on the rear part. By means of the soil tillage device, the deep scarification device and the harrow smashing and leveling device are organically combined together, the operation cost is reduced, soil compaction caused by repetitive work of agricultural machinery is reduced, and the operation depth is adjusted through the dead weight of the connection mechanism of the deep scarification device and the harrow smashing and leveling device and the dead weight of the harrow smashing and leveling device.

The invention discloses a material evenly distributing device of flow stabilizing cylinder of central transmission thickener, relates to the field of additional devices of central transmission thickener, and aims to solve the problem that the material settlement is non-uniform in the conventional thickeners. The material evenly distributing device comprises a material distributing tank and a plurality of fixed plate; the material distributing tank comprises a material distributing inner cylinder, a material distributing outer cylinder, and a material distributing bottom plate; the material distributing inner cylinder and the material distributing outer cylinder are connected through the material distributing bottom plate to form a circular groove; a material feeding pipe goes through an external flow guiding cylinder, and the opening of the material feeding pipe is fixed in the inner side of the material distributing outer cylinder. The provided material evenly distributing device can make materials evenly settle around the periphery of the material distributing tank, reduces the interference on the inner water and bed of thickening tank, and effectively improves the processing performance of a thickener.

A method for manufacturing stable lightweight cement slurry in a continuous manner for downhole injection comprising the steps of manufacturing a foamed gas having desired density ranging from about 2.15 to about 2.35 lb/cubic ft. and utilizing foam stabilizing nonionic surfactant. And, an apparatus for carrying out the method.

The invention discloses a gas-liquid separation and a stable fluid flow rate bubble trap, which comprises a top plate, a glass cylinder, a bottom plate, a liquid level detector, a top valve, a two-stage deceleration variable diameter and a one-stage deceleration variable diameter. The beneficial effects of the present invention are: the bubble trap can efficiently and smoothly remove the bubbles in the fluid in biopharmaceuticals, the liquid level detector can accurately transmit the fluid gas-liquid boundary line to the PC or PLC with digital signals, and the separated bubbles are discharged The final liquid level height adjustment ensures the high precision of removing air bubbles; the use of multi-stage fluid deceleration and diameter reduction effectively reduces the fluid flow rate inside the device and improves the stability of fluid delivery; the device is mainly used for fluid transfer in biopharmaceuticals The gas-liquid separation in the process realizes stable fluid delivery. The device can be operated manually, semi-automatically or fully automatically. The operation steps are simple and can meet the needs of process characteristics. The air bubble trap is easy to operate, and the connection of each component is flexible.

The invention provides a high-strength Al-Zn-Mg-Cu-Ce-Y-Er-La-Sc wrought aluminum alloy. The alloy is composed of, by mass, 7% of Zn, 2% of Mg, 2.3% of Cu, 0.1% of Ce, 0.5% of Y, 0.1% of Er, 0.01% of La, 0.2% of Sc and the balance Al, wherein Al, Zn, Mg and Cu are added in a form of industrial pure Al, Zn, Mg and Cu with purity larger than 99.99wt.%, and Ce, Er, Y, Sc and La are added respectively in a form of powdery rare earth alloy with Al and 30wt.% of Ce, Mg and 30wt.% of Er, Mg and 20wt.% of Y, Al and 30wt.% of La, Al and 2wt.% of Sc. The invention further provides a manufacturing method of the alloy. Good composition homogenization effect is realized by adding rare earth elements and utilizing helium to blow rare earth alloy powder in, and a protecting atmosphere is formed through helium in the process of manufacturing, so that oxidizing reaction in the process of smelting is reduced as much as possible, the formed alloy is more accurate in composition, and the problem that conventional Al-Zn-Mg-Cu alloys are insufficient in performance and have product defects is solved effectively.

The invention discloses a measuring device and method for rotor axial force of a double-screw compressor. The measuring device mainly comprises two groups of stress sensors arranged on two sides of athrust bearing at an exhaust end of the double-screw compressor, each group of stress sensor assembly comprises three standard stress sensors, stress is uniform, stable measurement and real-time monitoring can be realized, and the three standard stress sensors are fixed on a corresponding bracket and are mounted and positioned by through holes. The measuring device adopts two-way force measurementdesign, can accurately measure the direction and magnitude of axial force without interference to operation of a rotor.

The invention discloses a horizontal layered shallow water bottom mud sampler. The horizontal layered shallow water bottom mud sampler comprises a collector which is used for collecting shallow water bottom mud and a determination device which is used for determining the nutritive salt flux of the shallow water bottom mud. By cooperation of the collector and the determination device, the stirring of a bottom mud-water interface is reduced; the bottom mud, excluding overlying water, is collected, so that the stirring is reduced; a sampling drawer can directly control the layer and thickness of the bottom mud, so that a sample can be collected; the horizontal layered shallow water bottom mud sampler has the advantages of no bottom mud stirring, completeness, clearness in layering and large sampling amount; moreover, a ship does not need to be fixed in a sampling process, and a nutritive salt flux experiment on the bottom mud can be performed in a layered manner; and the horizontal layered shallow water bottom mud sampler is large in experimental flux area, light in weight, simple in structure, convenient to use and easy to operate.

The invention relates to an anti-clogging aerator which comprises an upper bubble rectifying device, a middle bubble cutting device, a lower bubble cutting device and an air intake component, wherein the upper bubble rectifying device comprises a cowling, a rectifying plate and a funneled cowling transitional connection casing; the middle bubble cutting device comprises a middle casing, a middle cutting plate and a middle funneled transitional connection casing; the lower bubble cutting device comprises a lower casing and a lower cutting plate; the air intake component comprises an air inlet pipe, a cover body and a baffle plate. According to the invention, gas is smashed into bubbles through cutting holes in the gas and liquid mixing process, after being cut at each stage, the bubbles become smaller in size and are increased in number, meanwhile, the gas flow rate is lowered so as to enlarge the service area of the bubbles. Blowdown holes are formed in the lower casing and the lower part of the cover body, the cutting holes are formed in the cutting plates and are not blocked easily or required to be cleaned, and the use is not influenced even the cutting plates scale slightly. The anti-clogging aerator is simple in structure and convenient to operate; procedures for cleaning the aerator frequently are reduced, and the production efficiency is improved.

The invention provides a hanging curtain type biological filtering pool which comprises a container, carbon fiber felt, a water inlet pipe and a water outlet pipe; the carbon fiber felt is inserted into the container side by side at the interval of 2-4 cm, the water inlet pipe is arranged on the upper portion of the container, the water inlet pipe is connected with water distribution pipes, the water distribution pipes are connected with a water distribution device, and the water distribution device is located above the carbon fiber felt; the water outlet pipe is located at the bottom of the container. The invention further provides application of the hanging curtain type biological filtering pool. The hanging curtain type biological filtering pool enables microorganisms to be attached to the carbon fiber felt, stirring of water flow is reduced, the microorganisms can grow more easily in an attached mode, pollutants in water are further removed, and quality of outlet water is improved; meanwhile, an aged biological membrane falls along with water and is removed through a physical filtration system, backwash equipment is not needed, and cost is saved while removal efficiency of ammonia nitrogen and nitrite nitrogen is guaranteed.

The present invention provides a beverage surfactant composition that includes a surfactant, a phosphonium compound, and a carrier; wherein the beverage surfactant composition exhibits stability as a solution or as a dispersion at a temperature of about 0° C. to about 8° C. The present invention also provides a container or a conveyor for a container having a surface that is at least partially coated with the composition. The present invention also provides a process for lubricating a container that includes contacting at least a portion of a surface of the container and the composition together. The present invention also provides a process for lubricating a conveyor that includes contacting at least a portion of a surface of the conveyor and the composition together. The present invention also provides a method for enhancing stability as a solution or a dispersion of a composition containing a surfactant and a carrier, involving incorporating a phosphonium compound into the composition.

The invention relates to a deslagging filter, and in particular relates to a deslagging filter which is used for removing solid particles in slurry of cereals. The deslagging filter comprises a slurry delivery passage, a centrifugal filtering module and a drainage tube, wherein the centrifugal filtering module comprises a roller with an open upper end, and a stirring shaft fixed at the bottom of the roller, wherein a stirring paddle is arranged on the stirring shaft, the bottom of the roller is a concave spherical surface, the stirring shaft is a hollow barrel with open upper end, and penetrates through the axial central shaft of the roller, and the inlet of the drainage tube extends into the stirring shaft. By virtue of the deslagging filter, the defects that the filtering material is expensive, high in cost and short in service life in the prior art are overcome, and the deslagging filter provided by the invention is low in cost and long in service life.

The invention discloses a molten aluminum transfer system. The molten aluminum transfer system comprises a casting ladle arranged on a supporting platform, an n-shaped molten aluminum pouring gate andan air inlet are formed in the casting ladle, the molten aluminum pouring gate can extend into the position below the molten aluminum level in a heat preservation furnace, and compressed air can be introduced into the air inlet. According to the molten aluminum transfer system, molten aluminum stirring during direct pouring can be relieved, impurities at the bottom of the heat preservation furnace are prevented from being brought into molten aluminum, and the quality of the molten aluminum is improved; and quantitative filling is achieved by controlling the compressed gas introducing time andcontrolling the adding amount of the molten aluminum.

The invention relates to an electron beam evaporation coating machine coating film correcting device which comprises a fixed correcting device I, a fixed correcting device II, a movable correcting device, one evaporation source, four halogen lamps, one ion source and one electronic gun. The one evaporation source, the four halogen lamps and the one ion source are on one same divided circle; the four halogen lamps are divided into two groups and are symmetrical along two sides of the center position; the evaporation source is located in the central symmetry position of a furnace body; the ion source is located on the left side of the furnace body; the electronic gun is located on the right side of the furnace body; the fixed correcting device I is located in the middle position between thetwo halogen lamps on the left side, and is arranged on the inner wall of the furnace body; the fixed correcting device II is located in the middle position between the halogen lamps on the right sideand the electronic gun, and is arranged on the inner wall of the furnace body; the installation heights of the fixed correcting device I and the fixed correcting device II are consistent; and the movable fixed correcting device is located on the right side of the furnace body and is located above the electronic gun. The electron beam evaporation coating machine coating film correcting device provided by the invention has the advantages of simple structure, less number of correcting devices, good effect and the like.