48results about How to "Uniform liquid distribution" patented technology

A mixing element has a grid which includes a plurality of rows parallel to each other and a plurality of deflector elements which project from the grid and are inclined in relation to the grid plane normal. All deflector elements of one row are inclined in the same direction. The deflector elements of at least two immediately adjacent first rows are inclined in the same direction. The mixing element is used in an exhaust system of an internal combustion engine.

The invention discloses oil-water separating device and method. The oil-water separating device comprises a swirler and a horizontal type agglutinating oil-water separator, wherein a bottom flow pipe of the swirler is in a U shape; the horizontal type agglutinating oil-water separator has the liquid uniform distributing function; an inlet liquid distributor, a rectifying sieve plate, a stainless steel plate ripple filler, a polypropylene gauze ripple filler, an outlet liquid collector, and the like are sequentially arranged in the horizontal type agglutinating oil-water separator, and the stainless steel plate ripple filler and the polypropylene gauze ripple filler are fixed by a limit grid plate; the U-shaped bottom flow pipe of the swirler and a filter screen arranged in the swirler can filter a small number of solid impurities contained in liquid so as to prevent the blockage of agglutinated fillers; the inlet liquid distributor and the outlet liquid collector ensure that the liquid is uniformly distributed; the rectifying sieve plate reduces the flow rate of the liquid to form lamellar flow; the stainless steel plate ripple filler provides a place for agglutinating and separating oil drops; and the polypropylene gauze ripple filler with an air floating device can further agglutinate and separate residual fine oil drops. The combination simultaneously has the effects of whirl, agglutination and air floatation and can realize the deep separation of oil and water.

The invention discloses an air source falling film water chiller-heater unit. The unit comprises a compressor, a four-way valve, a falling film heat exchanger, a reservoir, a drier, an expansion valve, an outdoor finned heat exchanger and an ejector, wherein the compressor, the falling film heat exchanger and the outdoor finned heat exchanger are connected with the four-way valve; the falling film heat exchanger is further connected with the reservoir and the ejector; the reservoir is connected with the drier; the ejector is connected with the drier and the expansion valve; and the expansion valve and the reservoir are connected with the outdoor finned heat exchanger. Due to the adoption of the air source falling film water chiller-heater unit, the interference of a gas-state refrigerant on a liquid distributor can be avoided, the structure of a liquid state distributor can be simplified, four layers or five layers are not required to be arranged, and uniform liquid distribution can be realized by adopting secondary liquid distribution; and under a heating working condition, air flow pressure drop can be reduced, the energy efficiency ratio of a system is increased, frequent impact of high-pressure and high-speed air flow on the liquid distributor can be avoided under the heating working condition, and the stability of a device is enhanced.

A spray nozzle for directing a wide lateral spray curtain with substantially uniform liquid distribution throughout the length of the spray curtain is provided. The nozzle includes a nozzle body defining an elongated internal flow passage. The nozzle body includes an inlet end for connection to a pressurized liquid supply, a downstream end wall and a side wall. A discharge orifice is provided in the side wall of the nozzle body between the inlet end and the downstream end wall. The discharge orifice communicates with the internal flow passage of the nozzle body. The discharge orifice has a generally inverted teardrop configuration comprising a relatively larger area upper portion and a relatively smaller area lower portion arranged below the upper portion.

The invention provides a system and method for treating industrial waste liquid based on carrier gas extraction and low-temperature mass transfer. The system comprises an absorber, wherein the absorber is connected with a condenser, the condenser is connected with a waste liquid circulating pump, and the waste liquid circulating pump is connected with a liquid distributor of the absorber and a heater in the absorber; the system also comprises an analyzer, wherein the analyzer is connected with an evaporator, the evaporator is connected with a clean water pump, and the clean water pump is connected with a liquid distributor of the analyzer and a cooler in analyzer; an air outlet of the absorber is connected with an air inlet of the analyzer; an air outlet of the analyzer is connected with an air inlet of the absorber; and an air channel between the air outlet of the analyzer and the air inlet of the absorber is provided with a circulating fan and an adsorber. According to the invention,air can be utilized as a mass transfer medium to realize water migration in industrial waste liquid under the condition of a low temperature, and the system operates under normal pressure and is suitable for treatment of corrosive liquid which is crystallized easily and scaled easily, so that a series of pretreatment procedures such as precipitation, oil removal, pH value adjustment and the likerequired by conventional waste liquid treatment are greatly reduced.

A spray nozzle includes a tubular channel extending along a longitudinal axis, a slot formed by two approximately plane surfaces converging in a direction of the channel and located on either side of a plane including the longitudinal axis of the channel, and a dome connecting the channel and the slot wherein a length of the dome represents less than 50% of a largest transverse dimension of the channel and a plane cross section of the dome is symmetric and it is defined by at least two different circular arcs.

The invention discloses a two-stage groove type distributing device provided with a pressure stabilizing plate and used for thin-layer drying equipment. A two-stage distributing mechanism comprises arectangular overflow groove, a U-shaped main groove, a flow stabilizing plate, a liquid conveying header pipe and liquid conveying pipes; the rectangular overflow groove is formed in the upper end ofa drying rotary column; the U-shaped main groove is formed in the upper end of the rectangular overflow groove; the flow stabilizing plate is arranged in the U-shaped main groove; a liquid conveying header pipe is arranged on one side of the U-shaped main groove; the plurality of liquid conveying pipes are arranged between the liquid conveying header pipe and the U-shaped main groove; and one endof each liquid conveying pipe penetrates into the U-shaped main groove; According to the two-stage distributing mechanism, on one hand, mother liquor descending kinetic energy is relieved, so that thetwo-stage d distributing mechanism is prevented from being directly impacted by large-flow mother liquor; on the other hand, feed liquid splashing caused by sharp fluctuation of the liquid level is avoided, the distribution uniformity of the mother liquor is effectively improved; and a complete, uniform and stable liquid film can be rapidly formed on the outer surface of a drying rotary column under the action of the gravity and surface tension of the mother liquor and the centrifugal force of the drying rotary column.

The invention relates to a semi-elliptical falling film heat exchange tube with uniform guide fins, comprising a first heat exchange unit, a second heat exchange unit and a third heat exchange unit vertically arranged from top to bottom; the The first heat exchange unit includes a first elliptical tube and a first fin, and the first fin capable of evenly guiding the flow is provided at the lower part of the first elliptical tube; the second heat exchange unit includes a second ellipse tube and second fins; the upper and lower parts of the second elliptical tube are provided with the second fins capable of uniform flow; the third heat exchange unit includes a third elliptical tube and a third fin , the upper part of the third elliptical tube is provided with the third fins that can guide the flow evenly; the first fins of the first heat exchange unit are connected to the second fins in the upper part of the second heat exchange unit, and the first fin of the first heat exchange unit The third fins of the three heat exchange units are connected to the second fins in the lower part of the second heat exchange unit. The invention can improve the conduction performance of the heat transfer tube.

The invention relates to the technical field of cell inoculation devices, in particular to a subcutaneous tumor cell inoculation device capable of improving dispersity and a use method thereof. The subcutaneous tumor cell inoculation device comprises a fixed base, a liquid storage tank is arranged at the position, close to the left end, of the top of the fixed base, and an L-shaped fixed plate is arranged at the position, close to the right side of the liquid storage tank, of the top of the fixed base; a center pipe is movably connected to the position, close to the right end, of the top of a horizontal plate of the L-shaped fixing plate, four supporting columns distributed in an annular array are arranged at the position, close to the right end, of the top of the fixing base, a supporting plate is jointly supported by the top ends of the four supporting columns, a servo motor is arranged in the middle of the bottom of the supporting plate, and a carrier fixing mechanism is arranged on the top of the supporting plate. According to the subcutaneous tumor cell inoculation device capable of improving the dispersity, the reticulate carrier can be fixed through the carrier fixing mechanism, and the carrier fixing mechanism is driven by the servo motor to rotate at a constant speed, so that liquid can be uniformly distributed on the surface of the reticulate carrier, and the dispersity of inoculated cells is improved.

The invention discloses a methanol preparation equipment, comprising an incineration device, an absorption tower connected with the incineration device and a tail gas fan, a circulation pump and a reactor connected with the absorption tower, a configuration tank connected with the circulation pump, and a configuration tank The connected finished product tank, flame arresting filter, mixer, superheater installed on the mixer, tail gas heater, air fan, reboiler and methanol pump; the methanol pump and air fan are connected to the reboiler, and the tail gas The blower is connected to the tail gas heater, the reboiler and the tail gas heater are connected to the mixer; the superheater is connected to the reactor through a flame arresting filter. The invention adopts frequency conversion technology to reduce the power consumption of the fan, the system resistance is small, the operation cycle is long, the alcohol consumption is low, the reactor is evenly heated and has a long life, the cooling speed is fast, the occurrence of side reactions is greatly reduced, and the thermal load is controlled in sections. Improve absorption efficiency and reduce circulating water consumption.

The invention provides a liquid distributor and a falling-film-type heat exchanger. The liquid distributor comprises two or more liquid distribution structures and a liquid inlet pipe; the two or moreliquid distribution structures mutually communicate; the liquid inlet pipe is arranged on one of the two or more liquid distribution structures, and a liquid refrigerant flows in through the liquid inlet pipe and then is shunted into other liquid distribution structures in the two or more liquid distribution structures; and other liquid distribution structures in the two or more liquid distribution structures are provided with liquid distribution holes, and the liquid distribution holes are configured to be able to distribute liquid to heat exchange tubes. According to the liquid distributor,the multi-cavity design is adopted, a high-flow-speed refrigerant only impacts the liquid level in the first liquid distribution structure, the liquid levels in the other liquid distribution structures are stable, the liquid distributor can uniformly distribute the liquid, the liquid is uniformly distributed on the surfaces of the heat exchange tubes, the utilization rate of the heat exchange tubes is high, and the heat exchange effect is good; and distribution pipes arranged at intervals in a multi-connection mode are adopted for liquid distribution, the circulation sectional area of a vaporrefrigerant is increased, the flow speed of the vapor refrigerant is reduced, and the vapor-liquid entrainment phenomenon is relieved.