8results about How to "Meet separation requirements" patented technology

The invention discloses a method for determining dextrocarnitine in a levocarnitine product by using high performance liquid chromatography, and the chromatographic conditions are as follows: cellulose-tri-(3, 5-dimethyl phenyl carbamate) is used as a filler for a chromatographic column, a hexafluorophosphate buffer solution-acetonitrile is used as a mobile phase, the volume ratio is 77: 23-69: 31, the column temperature is 15-25 DEG C, the flow velocity is 0.3-0.5 ml / min, and the detection wavelength is 246nm. The method disclosed by the invention can be used for rapidly and accurately detecting the dextrocarnitine in the levocarnitine product and calculating the content of the dextrocarnitine, is simple to operate and good in reproducibility, can better realize quality control of the levocarnitine preparation and an intermediate product thereof, and provides guarantee for synthesis and preparation process optimization.

The invention relates to a rubber pyrolysis and separation device and a separation method, and relates to the technical field of pyrolysis oil-gas separation, the rubber pyrolysis and separation device comprises a pyrolysis furnace and a separation tank group consisting of a horizontal separation tank and a vertical separation tank, and an oil-gas outlet of the pyrolysis furnace is communicated with oil-gas inlets of the horizontal and vertical separation tanks; the oil-gas outlet of the horizontal separation tank is also communicated with the oil-gas inlet of the vertical separation tank, the oil-gas inlets of the horizontal separation tank and the vertical separation tank are provided with flow regulating valves, the bottom of the vertical separation tank is provided with a pyrolytic oil collecting section, and the horizontal separation tank and the vertical separation tank are respectively provided with an access hole. The horizontal separation tank and the vertical separation tank are combined for use, the respective advantages are effectively exerted, and the technical effects of quick separation of pyrolysis gas, convenience in overhaul and maintenance, optimization of the separation effect, realization of continuous industrial production, staged collection of pyrolysis oil gas and the like are achieved.

The application provides a gas-liquid separator structure of a DMFC, which can meet the gas-liquid separation effect of the system in any direction and meet the separation requirement, and comprises a gas-liquid separator body, top openings and bottom openings arranged on two sides of the gas-liquid separator body respectively, a gas outlet connecting pipe arranged on the gas-liquid separator body, a tail gas discharge port arranged on the gas outlet connecting pipe, an inlet connecting pipe arranged on the gas-liquid separator body and corresponding to the gas outlet connecting pipe, a gas-liquid inlet arranged on the inlet connecting pipe, corresponding first and second gas-liquid separation baffles arranged in the gas-liquid separator body, a liquid blocking ring arranged on the first gas-liquid separation baffle, a conical flow guide surface arranged on the second gas-liquid separation baffle, the liquid blocking ring and the conical flow guide surface arranged reversely, and flow guide holes arranged on the first and second gas-liquid separation baffles.

The present invention provides an oil-gas separation device for a motorcycle gearbox, and belongs to the technical field of motorcycles. It solves the problem of poor oil-gas separation effect in existing motorcycle gearboxes. The oil-gas separation device includes an oil-gas separation chamber, an air inlet, an air outlet, and a labyrinth separation structure arranged between the air inlet and the air outlet, which are arranged on the gearbox housing. The air inlet is used to connect the oil-gas separation chamber and the inner cavity of the gearbox. An oil-gas separation pipe is arranged at the air inlet. The oil-gas separation pipe extends to the top of the oil-gas separation chamber and the upper end port is closed. An oil-gas advance separation port is opened on the outer peripheral wall of the oil-gas separation pipe. The oil-gas separation chamber is connected to the inner cavity of the gearbox through the above-mentioned oil-gas advance separation port. Through the above-mentioned design, the mixed gas can be separated in advance before entering the oil-gas separation chamber, and then separated again by the labyrinth separation structure, thereby greatly improving the effect of oil-gas separation, thereby meeting the oil-gas separation requirements under the special environment of the above-mentioned transmission.

The invention relates to a field axis deceleration method for improving ion transmission rate, and belongs to the technical field of ion source extraction ion control of mass spectrum detection. The kinetic energy generated when ions leave the ion source is increased, so that the ions rapidly pass through the fringe field of the analyzer, the retention time is shortened, and the scattering loss of the ions in the fringe field is reduced. The ion source has the characteristics that the emitting speed of ions of the ion source is improved, the ions can pass through a fringe field of an analyzer at a high speed, more ions can enter the analyzer, meanwhile, the difference of influences of the fringe field on ions with different mass-to-charge ratios is reduced, and the quality discrimination effect is improved. The method can be used for designing various mass spectrometry instruments. The positive bias voltage is increased for the ion source, so that the ion movement speed is increased, and the ion can quickly pass through a fringe field; certain bias voltage is added to the analyzer, so that kinetic energy is reduced to required kinetic energy when ions enter the analyzer, and the ion separation requirement of the analyzer is met.

The invention discloses a gas-liquid separator suitable for wide-range fluctuation working conditions and a working method of the gas-liquid separator. The gas-liquid separator comprises a shell and a separation device arranged in a containing cavity, the containing cavity is formed in the shell, and a gas outlet and a liquid outlet which are communicated with the containing cavity are formed in the shell; the separating device comprises an air inlet pipe, a top plate, a bottom plate, a plurality of rotary assemblies and a plurality of guide vanes, the air inlet pipe penetrates through the shell and is connected with the top plate, the top plate and the bottom plate are arranged at intervals, the rotary assemblies can penetrate through the top plate and the bottom plate in a reciprocating rotation mode, the rotary assemblies are arranged at intervals, and each rotary assembly is connected with the corresponding guide vane; the guide vanes are arranged between the top plate and the bottom plate in a reciprocating rotation mode, the guide vanes are arranged at intervals to form a first flow channel capable of being opened and closed, a structural cavity is formed among the top plate, the bottom plate and the guide vanes, the structural cavity is communicated with the air inlet pipe, and the size of the structural cavity is larger than that of the air inlet pipe. The working method is based on the gas-liquid separator.

The invention discloses an interstage cooling and separating integrated device for a vapor compression system, and belongs to the technical field of cooling and separating. The device comprises a shell, an atomization system, a modular demisting unit and a silk screen self-cleaning unit, a partition plate is arranged in the shell and divides the shell into an upper cavity and a lower cavity, an isolation silk screen is arranged on the partition plate, and the atomization system comprises an atomization nozzle; the device further comprises a separation cavity, the separation cavity is arranged at an inlet of the air outlet pipe through flexible connection, and the modular demisting unit comprises a separation silk screen; the silk screen self-cleaning unit comprises a sliding cavity, a sliding block and a thin plate, the thin plate can move upwards when blown by airflow, the sliding block can be driven to move up and down in the sliding cavity to generate vibration, and liquid drops on the separation silk screen are separated. According to the invention, the functions of interstage cooling and gas-liquid separation are integrated, the number and occupied area of equipment are reduced, the separation silk screen can vibrate along with the separation cavity, liquid drops gathered on the separation silk screen are separated from the separation silk screen due to vibration, the cleaning capability is excellent, and the service life of the silk screen can be prolonged.

The invention discloses a method and system for controlling the concentration of carbon dioxide in natural gas and relates to the technical field of energy, and the method comprises the steps that when the first CO2 content is larger than a first threshold value, a first flow ratio and a second flow ratio are calculated; according to the first flow ratio, the second flow ratio and the adjustment database, obtaining a corresponding adjustment direction and an adjustment opening degree, and according to the adjustment direction and the adjustment opening degree, adjusting a slurry flow adjusting valve and a feed gas flow adjusting valve; the second CO2 content of the top of the absorption-adsorption tower is obtained again, when it is judged that the second CO2 content is larger than the first threshold value, the flow value is obtained again, the steps are repeated, and adjustment operation is stopped until the CO2 content of the top of the absorption-adsorption tower is smaller than or equal to the first threshold value. And by synchronously adjusting the opening degrees of the two valves, the CO2 concentration fluctuation is effectively reduced, so that the natural gas decarbonization device can meet the separation requirement.