16 results about "Phase splitter" patented technology

The invention relates to a centrifugal gravity coupling type liquid-liquid phase splitter which comprises an upper end socket, a cylinder and a lower end socket which are sequentially and coaxially connected from top to bottom, a heavy-phase weir plate and a light-phase weir plate are arranged in the cylinder, the light-phase weir plate is arranged above the heavy-phase weir plate, the light-phase weir plate is of a structure with a wide upper part and a narrow lower part as a whole, and the heavy-phase weir plate is of a structure with a narrow upper part and a wide lower part as a whole. The lower end of the light-phase weir plate is matched and butted with the upper end of the heavy-phase weir plate, and a communicating hole is formed at the joint; a light-phase separation hole channel is formed in one end part, close to the communicating hole, of the light-phase weir plate; a heavy-phase separation hole channel is formed in one end part, close to the cylinder body, of the heavy-phase weir plate; a feeding pipe is arranged on the side wall of the part, between the light-phase weir plate and the heavy-phase weir plate, of the cylinder body; the axis direction of the feeding pipe is tangent to the circumferential direction of the cylinder body; and guide vanes are arranged on the inner wall of the part, between the light-phase weir plate and the heavy-phase weir plate, of the cylinder body. The phase-splitting device has the beneficial effects of simple and compact structure, high phase-splitting efficiency, high phase-splitting purity and low cost.

The utility model relates to the technical field of carbon capture, in particular to a carbon dioxide absorbent performance evaluation device which comprises an absorption tower, a phase splitter and a falling film evaporation desorption device, the cavity of the absorption tower is filled with a filler layer, and the phase splitter is provided with a gas inlet for introducing a gas source with carbon dioxide into the cavity; a liquid inlet communicated with the cavity is formed in the top of the absorption tower and is used for introducing an absorbent into the cavity, and the carbon dioxide and the absorbent are in full contact in the filler layer, so that the absorbent forms a mixed solution; the phase splitter is provided with an inlet and a rich phase outlet, the inlet is communicated with the cavity, so that the mixed liquid flows into the phase splitter, the phase splitter is used for carrying out phase splitting on the mixed liquid to form an absorbent rich solution, the rich phase outlet of the phase splitter is connected with the falling film evaporation desorption device, and the falling film evaporation desorption device is used for desorbing the absorbent rich solution. The carbon dioxide packed tower fully considers the characteristics of the carbon dioxide packed tower applied in practical engineering, the absorbent fully absorbs carbon dioxide through the absorption tower in a laboratory, and the test accuracy is high.

The invention relates to a reactive distillation device and method for automatically separating phases and refluxing to a reaction section, and belongs to the technical field of chemical reaction and separation coupling. The reactive distillation tower (1) sequentially comprises a distillation section (11), a reaction section (12) and a stripping section (13) from top to bottom, the tower bottom of the reactive distillation tower (1) is connected with a heater (2), the tower top of the reactive distillation tower (1) is sequentially connected with a tower top condenser (3) and an automatic phase splitter (4) through pipelines, materials are condensed by the tower top condenser (3) to form a water phase and an oil phase which are not completely mutually soluble, and the water phase and the oil phase are separated from each other. After automatic phase splitting in the automatic phase splitter (4), the water phase automatically and continuously flows into a water phase collecting tank (5) from the upper part of the automatic phase splitter (4), the oil phase automatically and continuously flows out from the lower part of the automatic phase splitter (4), one part of the oil phase returns to the rectifying section (11) through the reflux ratio controller (6), and the other part of the oil phase returns to the rectifying section (11) through the reflux ratio controller (6); one part of the gas automatically flows back into the reaction section (12) by virtue of the liquid level to continuously react, so that a high-purity product is obtained in the tower kettle. The device is simple in structure and control method and convenient to operate, unreacted raw materials are rectified and then automatically flow back into the reaction section in a split-phase mode to participate in the reaction again, the raw material utilization rate is increased, the reaction conversion rate is high, and a water phase and an oil phase can be automatically extracted in a split-phase mode and flow back.

The utility model relates to a device for recovering DMC in triethylamine hydrochloride. The device comprises a first phase splitter, a first recovery system, a rectifying tower, a condenser, a second phase splitter and a second recovery system, an oil phase outlet of the first phase splitter is communicated with a material inlet of the first recovery system through a pipeline; a liquid phase outlet of the first phase splitter is communicated with a material inlet of the rectifying tower through a pipeline; a steam outlet in the rectifying tower is communicated with an inlet of the condenser through a pipeline, an outlet of the condenser is communicated with the second phase splitter through a pipeline, and a water outlet of the second phase splitter is communicated with a water inlet of the rectifying tower through a channel. And a DMC outlet of the second phase splitter is communicated with the second recovery system through a pipeline. The DMC recovery device has the beneficial effects that DMC is recovered through the device with a simple structure, continuous production can be realized, the production stability is high, and the equipment maintenance period is prolonged.

Multi-phase clock generators, memory devices, and methods of generating multi-phase clocks are provided. The multi-phase clock generator includes a first variable delay line and a second variable delay line; a first phase splitter configured to phase split a first phase-delayed clock output from a clock tree to output a first divided clock and a third divided clock; a second phase splitter configured to phase split a second phase-delayed clock output from the clock tree to output a second divided clock and a fourth divided clock; a first duty cycle detector configured to detect a first duty cycle error between the first divided clock and the third divided clock; and a second duty cycle detector configured to detect a second duty cycle error between the second divided clock and the fourth divided clock. The first variable delay line is controlled according to the first duty cycle error, and the second variable delay line is controlled according to the second duty cycle error.

The utility model relates to a two-phase interface automatic balance control device, which comprises a phase splitter and a buffer tank communicated with the phase splitter, a feed pipe is introduced into the phase splitter, an overflow pipe and a pressure equalizing loop are arranged on the phase splitter, the phase splitter is communicated end to end by the pressure equalizing loop, the buffer tank is connected onto a communicating pipe, a discharge pipe is led out of the buffer tank, and the discharge pipe is communicated with the overflow pipe. And the middle section of the discharge pipe is bent to form a U-shaped liquid seal section. According to the technical means of changing the feeding position, additionally arranging the buffer tank and the like, aiming at the defects of the existing phase splitter, the problems existing in the existing production can be effectively solved by changing the feeding position, additionally arranging the buffer tank and the like, so that the phase splitter can automatically realize the stable control of a two-phase interface.

A semiconductor device includes a phase splitter configured to output a plurality of clock signals having different phases by using a plurality of external clock signals having different phases, a plurality of code generators configured to receive a pair of selection clock signals determined from the plurality of clock signals and to output a phase code corresponding to a phase difference error between the pair of selection clock signals, and a delay circuit configured to at least partly simultaneously adjust at least two of a rising edge and a falling edge of each of the plurality of external clock signals with reference to the phase code during a lock time.

Methods, systems, and devices for four-phase clocking techniques, and in particular for a hybrid clock cycle correction and quadrature error correction (DCC-QEC) circuit, are described. The DCC-QEC circuit comprises a DCC circuit configured to generate two-phase clock signals based on external clock signals. The DCC circuit is self-calibrating without receiving a reference signal.The DCC-QEC circuit further comprises one or more QEC circuits coupled to the DCC circuit, each of the QEC circuits comprising a pair of phase dividers configured to convert the two-phase clock signals into four-phase clock signals, and an offset matcher configured to match clock offsets associated with a subset of the four-phase clock signals based on QEC matching codes and in an open-loop manner, wherein data from multiple lanes of parallel data channels based on the offset-matched four-phase clock signals are serialized and sent to outside a device comprising the DCC-QEC circuit.

A phase-locked loop device and a method for operating the same, comprising: a voltage-controlled oscillator configured to generate an output clock signal; a phase splitter configured to split the output clock signal into a first phase split signal; a sampling phase frequency detector configured to: receive a first power supply voltage, a second power supply voltage different from the first power supply voltage, and the first phase split signal, and output a holding voltage and a state signal for a phase difference based on determining that the phase difference between the first phase split signal and a reference clock signal corresponds to a first interval; a transconductance circuit configured to output a first conversion current based on the holding voltage; a charge pump configured to output a second conversion current based on the state signal; and a loop filter configured to provide the voltage control signal to the voltage controlled oscillator.

The invention discloses a partial mutual solution liquid phase balance test system and a test method thereof, the test system comprises a solution supply module, a temperature regulation and control module, a phase splitting module and a test sampling module, the solution supply module comprises a heavy phase solution storage tank, a light phase solution storage tank and a metering pump; the phase splitting module comprises a phase splitter and a circulating pump, and an outlet of the metering pump is connected with an inlet of the circulating pump; the temperature regulation and control module is used for regulating the temperature of a solution entering the phase splitter, an outlet of the circulating pump is connected with an inlet of the temperature regulation and control module, and an outlet of the temperature regulation and control module is connected with a solution inlet of the phase splitter; the test sampling module comprises a light-phase flowmeter, a light-phase densimeter, a light-phase flow regulating valve, a light-phase sampling pipe, a heavy-phase flowmeter, a heavy-phase densimeter, a heavy-phase flow regulating valve and a heavy-phase sampling pipe; and the light-phase solution outlet and the heavy-phase solution outlet of the phase splitter are respectively connected with the inlet of the circulating pump. According to the test system, the split-phase process parameters can be collected in real time, and the test efficiency and precision are improved.

The invention particularly relates to a method and a system for detecting a phase splitting point of a two-phase absorbent for capturing CO2, and belongs to the technical field of carbon dioxide capturing. The method comprises the following steps: controlling the temperature of an absorbent in a phase splitter, and irradiating with laser with a specific wavelength; a linear array CMOS sensor is used for receiving forward scattered light in the range of 0.1-0.29 degrees and converting the forward scattered light into an electric signal, and a light intensity sequence I (t) is obtained; cO2 is introduced for absorption-standing circulation; by calculating the light intensity relative attenuation rate R (t) and monitoring whether the light intensity relative attenuation rate R (t) is continuously lower than the threshold value Rth for reaching the time Thold or not, the phase splitting point is automatically judged, and the CO2 load is recorded. The system comprises a corresponding optical detection module, a signal processing module and a control analysis module, objective, real-time and high-precision detection of phase splitting points is achieved, and the problems that a traditional naked eye method is large in subjective error, and an existing instrument method is insufficient in sensitivity or difficult to be online are solved.

Methods, systems, and devices for techniques for four-phase clocking, and in particular, to a hybrid duty-cycle correction and quadrature error correction (DCC-QEC) circuitry are described. The DCC-QEC circuitry comprises a DCC circuit configured to generate two-phase clock signals based on external clock signals. The DCC circuit is self-calibratable without receiving a reference signal. The DCC-QEC circuitry further comprises one or more QEC circuits coupled to the DCC circuit, each of the QEC circuit comprising a pair of phase splitters configured to convert the two-phase clock signals to four-phase clock signals, and a skew adjuster configured to adjust, based on QEC adjustment codes and in an open loop manner, clock skews associated with a subset of the four-phase clock signals, in which data from multiple lanes of parallel data channels are serialized based on the skew-adjusted four-phase clock signals and transmitted to external of a device comprising the DCC-QEC circuitry.

A power conversion system includes a multiphase controller comprising a PWM generator and a plurality of signal summing modules, wherein the PWM generator is configured to generate a plurality of PWM signals, and each signal summing module is configured to receive two PWM signals and combine the two PWM signals into a mixed PWM signal, and a plurality of dual power stages, each of which comprises a phase splitter, a first power stage and a second power stage, wherein the phase splitter is configured to receive the mixed PWM signal, and split the mixed PWM signal into a first PWM signal fed into the first power stage and a second PWM signal fed into the second power stage.

The invention discloses a carbon dioxide phase change absorbent absorption system and process, and belongs to the technical field of carbon dioxide capture. The absorption system comprises an absorption tower internally provided with an absorption area and a phase splitting area from top to bottom, a tube plate type phase splitter assembly is arranged at the upper part of the phase splitting area, and an accommodating space for accommodating a light phase and a heavy phase is arranged at the lower part of the phase splitting area; the tube plate type phase splitter assembly comprises a liquid phase distributor, a baffling tube plate, a liquid collecting tank and a downcomer which are sequentially arranged in the phase splitting area from top to bottom; when the equivalent diameter of the baffling tube plate is DN6-DN20, the baffling tube plate is subjected to sand blasting treatment; when the equivalent diameter of the baffle tube plate is DN20-DN50, the baffle tube plate is filled with a polypropylene (PP) silk screen; after the phase change absorbent absorbs carbon dioxide and separates phases, the upper liquid phase is a rich phase, the lower liquid phase is a lean phase, the density difference of the two phases is 0.03-0.05 g / cm < 3 >, and the viscosity difference is 7-15 mPas. The invention further discloses a carbon dioxide phase change absorbent absorption process adopting the system. The method has excellent liquid-liquid separation and mixing performance, and is simple in process flow and low in equipment investment.

A measurement device includes a first terminal to receive an input signal of a circuit under test; a second terminal to receive an output signal of the circuit under test. A first and a second phase splitter are configured to generate a first phase signal I1 and a second phase signal I2 and a first quadrature signal Q1 and a second quadrature signal Q2. A first and a second multiplexer are each coupled to the first and second terminals and configured to alternately pass the input and output signals of the circuit under test to inputs of the first and second phase splitters. A double quadrature mixer has four inputs configured to receive I1, Q1, I2, and Q2, and an output. A computing unit determines one or both of a phase shift of the circuit under test and / or a gain of the circuit under test based on the output of the double quadrature mixer.