39results about How to "High concentration rate" patented technology

The invention relates to the technical field of extracting and concentrating of the traditional Chinese medicine, and in particular relates to a method and a device for extracting and concentrating the traditional Chinese medicine. The method for extracting and concentrating structurally comprises an extracting unit and a concentrating unit, wherein the extracting unit comprises an extracting tank and a liquid medicine storage tank, wherein a piston capable of moving up and down is arranged in the extracting tank; when the piston moves upwards under the action of the driving force, dredges of decoction in a pressurizing chamber are pressurized and further squeezed; the concentrating unit comprises a concentrating container, a vacuum pump and a heating device for heating up the concentrating container, wherein a step-shaped evaporation plate assembly of a liquid medicine thin film is formed in the concentrating container, so that the liquid medicine can be circulated and concentrated. Compared with the prior art, the extracting and concentrating efficiency is high, the heating time is short, and the damages to the active ingredients of the medicine are reduced.

The invention discloses an object-based monitoring video concentration method. The method comprises the following steps: acquiring a foreground image and a background image of each video frame from the monitoring video, saving the background image in a database, extracting recognition features of the foreground image, orderly comparing the foreground image with feature distances of the recognition features of all foreground images in foreground cache by use of the foreground cache so as to number of objects of all foreground images, wherein, the same object is corresponding to the unique same serial number; and computing a movement direction value and a main color of the same object according to position and color information of the same object, and saving a computation result and the foreground image into the database; finally extracting the foreground image and the background image of the corresponding object from the database, thereby synthesizing a concentrated video. By use of the concentration method disclosed by the invention, the object in different time and spaces can be concentrated, a concentration rate of the monitoring video is improved, and the monitoring efficiency is improved.

The present invention is to provide a process for producing a scorodite that can shorten the time required for synthesizing the scorodite, and further can improve the yield of arsenic and iron into the scorodite. Accordingly, a process for producing a crystalline scorodite from an acidic aqueous solution containing pentavalent As and trivalent Fe, wherein the synthesis of the crystalline scorodite is performed after the molar ratio of trivalent Fe to pentavalent As contained in the acidic aqueous solution is adjusted to be equal to or more than 0.9 and equal to or less than 1.1 is provided.

The invention discloses a high-temperature biochemical processing machine for kitchen waste and a control method thereof. The high-temperature biochemical processing machine comprises a fermentation bin, a dust-removal deodorization purifying tower, temperature sensors and a controller, wherein a feeding hole is formed in the top of the fermentation bin, and a discharging hole is formed in the front face of the fermentation bin; a heating interlayer and a thermal insulation layer are sequentially arranged on the outer side of the fermentation bin, and a waste gas outlet is formed in one end of the fermentation bin; the dust-removal deodorization purifying tower is connected with a water pipe, the water pipe is connected to a plurality of spraying pipes which are arranged on the top end in the dust-removal deodorization purifying tower, and a filter layer, a spraying layer and an activated carbon layer are sequentially arranged in the dust-removal deodorization purifying tower from top to bottom; a waste gas inlet is formed in one end of the top of the dust-removal deodorization purifying tower, an air outlet is formed in one end of the bottom of the dust-removal deodorization purifying tower, a water outlet is formed in the other end of the bottom of the dust-removal deodorization purifying tower, and a draught fan is connected to the air outlet; the temperature sensors are mounted on a gas pipeline and the air outlet; the controller is connected with the temperature sensors and a water pump. The high-temperature biochemical processing machine has the characteristics that the kitchen waste can be processed by virtue of biological fermentation, and the processed waste slag resource can be recycled.

The invention relates to a low-temperature high-efficiency atomization ejection seawater desalination device and a method thereof, and is suitable for the field of seawater desalination. The device comprises a low-pressure evaporation chamber, a solar heating device, a high-efficiency atomization device, a gas-liquid separation device, and a steam injection condensation device. The method comprises the following process flow: heated seawater is sprayed out in a mist shape through the high-efficiency atomization device, after the seawater is atomized, part of the seawater becomes water vapor and the other is seawater droplets, the seawater droplets are separated by the gas-liquid separation device, and then the water vapor is subjected to injection condensation to be turned into fresh waterfor daily use. The device provided by the invention makes full use of low-grade heat energy, has low energy consumption, reduces pollution by utilizing renewable energy, has low production costs, a high yield of the fresh water and a high salt yield, is suitable for large-scale promotion, and extremely facilitates daily life of residents in coastal areas and use by small and medium-sized fishingboats.

According to the present invention, a removing method comprises a following process of removing, after a salt is added to a waste liquid of Si-containing hydrofluoric acid, a precipitate generated due to the added salt. In such a way, a process for removing Si in the waste liquid is obtained. The salt is preferably selected from one or two or more salts from a fluoride metal salt and a chloride metal salt. The Si contained in waste liquid of the Si-containing hydrofluoric acid can be effectively reduced or removed by using the removing method.

The invention discloses a marine energy supply system with coupling of the seawater desalination function and the refrigeration function, and relates to the fields of seawater desalination, energy conservation and emission reduction. A seawater desalination supply assembly of the system includes a seawater pretreatment device, a condensation heat recovery device and a reverse osmosis device; a thermal method seawater desalination supply assembly includes a piston-typed compressor, a capillary desalination evaporator, and a reused seawater pretreatment device and condensation heat recovery device; and a refrigeration cycle assembly includes a refrigerator, and a reused piston-typed compressor, throttle valve and capillary desalination evaporator. The system provided by the invention can reuse and couple the reverse osmosis water making function, the thermal method water making function and the refrigeration function, can utilize the brine pressure energy obtained in the reverse osmosiswater making process to drive refrigeration cycle, and can also perform heat exchange on feed seawater of reverse osmosis and a steam obtained in the thermal method water making process, preheats thefeed seawater, realizes the secondary concentration of reverse osmosis desalting water in a thermal method, wherein the entire process does not require additional electric power input, and is very suitable for promotion.

The invention discloses a method for detecting norovirus in a food based on negatively charged membrane concentration. The method comprises the following steps: immersing a sample to be detected in an eluant, carrying out oscillation elution at room temperature, and centrifuging the above obtained solution to obtain a supernatant; adjusting the pH value of the supernatant to 2-4, and carrying out suction filtration by using a negatively charged filter membrane with the aperture of 0.45 [mu]m to obtain suction-filtered filter paper; and shearing the suction-filtered filter paper, extracting RNA, carrying out a real-time quantitative PCR to obtain the Ct value of the sample to be detected, and finally obtaining the content of the norovirus in the sample to be detected according to a norovirus NoV GI standard curve and a norovirus NoV GII standard curve. Compared with existing local standard (DBS13 / 001-2015), the method has the advantages of time saving, high efficiency, and increase of the virus enrichment rate by 5-10%.

The invention discloses a heat pump system which is applied to an evaporation treatment system. The evaporation treatment system comprises an evaporation heat exchanger and a condensation heat exchanger, wherein the evaporation heat exchanger comprises a first high-temperature refrigerant pipeline; and the condensation heat exchanger comprises a second low-temperature refrigerant pipeline. The heat pump system comprises a compressor, a sixth pipeline and a first heat flow channel, wherein the compressor is used for compressing a low-temperature refrigerant; an outlet of the compressor is used for being communicated with an inlet of the first high-temperature refrigerant pipeline; an inlet of the compressor is used for being communicated with an outlet of the second low-temperature refrigerant pipeline; the sixth pipeline is used for communicating an outlet of the first high-temperature refrigerant pipeline with an inlet of the second low-temperature refrigerant pipeline; and the first heat flow channel is used for communicating the outlet of the compressor and the inlet of the second low-temperature refrigerant pipeline. By the adoption of the heat pump system, the adaptability and the controllability of the heat pump system can be improved, and the heat pump system is very suitable for treatment of materials with complex working conditions and different application environments.

The invention relates to a concentration method of a pseudo-ginseng total saponin extracting solution. A reverse osmosis process is mainly utilized to concentrate the pseudo-ginseng total saponin extracting solution. The concentration method provided by the invention has the advantages of favorable concentration effect and small loss.

The invention belongs to the technical field of pyrohydrolysis sludge anaerobic digestion liquid treatment, and discloses a treatment device and treatment method for pyrohydrolysis sludge anaerobic digestion liquid. The treatment device comprises a forward osmosis unit, a high-salt concentration unit, a water production tank and a PLC control unit which operate independently or simultaneously, thehigh-salt concentration unit is used for enabling the membrane treatment process of the forward osmosis unit to be carried out dynamically and circularly; and the forward osmosis unit comprises a rawmaterial liquid tank, a first filter, a liquid conveying pump, a circulating pump, an FO membrane, an absorbing liquid tank and a liquid level sensor. According to the treatment device and treatmentmethod of the invention, the forward osmosis unit and the high-salt concentration unit can be operated at the same time, so that the membrane treatment process of the forward osmosis unit is carried out dynamically and circularly. And the concentration rate of a concentrated draw solution can be up to 80%. And the problem that the pyrohydrolysis sludge anaerobic digestion liquid is difficult to treat is solved.

Provided are an oily wastewater treatment device that can process smoothly, can reduce costs for processing, and can perform wastewater treatment capable of purifying water to a level below the release standard value for public waters with little impact on the environment and an oily wastewater treatment method using same. An oily wastewater treatment device 1 comprises: a primary filter unit 7 that performs ultrafiltration on an oil-containing emulsion contained in oil-containing wastewater and that separates the oil-containing emulsion into an oil component and primary treated water; and a secondary filter unit 8 that performs a filtration treatment using a reverse osmosis membrane on the primary treated water separated by the first filter unit and that separates the primary treated water into low-molecular-weight impurities that were not removed by the primary filter unit and secondary treated water. The primary filter unit 7 is a filter having an ultrafiltration membrane filter structure of a tubular membrane type or a spiral membrane type, and the secondary filter unit 8 is a filter having a filter structure in which a plurality of disk-shaped reverse osmosis membranes is stacked.

The invention relates to the technical field of seawater desalination, in particular to a low-temperature multi-effect distillation seawater desalination system, which is used for increasing the seawater concentration rate. The Low-temperature multi-effect distillation seawater desalination system comprises a plurality of tandem evaporation sets with a reverse flow sequence and a direct flow sequence, a condenser communicated with the evaporation set with lowest running temperature in the reverse flow sequence, a seawater feeding pipeline communicated with the condenser, a steam feeding pipeline communicated with the evaporation set with highest running temperature in the direct flow sequence, and inter-group water pumps arranged on inter-group seawater pipelines. According to the low-temperature multi-effect distillation seawater desalination system, the tandem evaporation sets are divided into the reverse flow sequence and the direct flow sequence, a raw material-seawater enters the evaporation sets with the gradually increased temperature in the reverse flow sequence step by step according to the reverse flow sequence for evaporation and concentration, and the evaporated and concentrated seawater enters the evaporation sets with the gradually reduced temperature in the direct flow sequence step by step according to the direct flow sequence for further evaporation and concentration, so that the seawater concentration rate is increased.

In an electrostatic separator or a magnetic separator, prior to electrically charging or magnetization of particles in order to carry out separation of mixed powder of particles having different properties from each other, classification is performed by a classifier so that the content of fine powder having a spherical equivalent diameter of 10 μm or smaller is 15 mass % or less. After the classification, prior to electrostatic separation or magnetic separation, an operation of dispersing the mixed powder of particles may be carried out.

The invention relates to the technical field of sludge dehydrating treatment, and especially relates to a method for concentrating horizontal-flow primary sedimentation tank sludge. sewage is sent to a horizontal-flow primary sedimentation tank, iron powder and powdered carbon are added in the horizontal-flow primary sedimentation tank, iron powder and powdered carbon form microelectrolysis in the horizontal-flow primary sedimentation tank, sewage is mixed with iron powder and powdered carbon and stirred for stirring processing, the iron powder is uniformly mixed with the powdered carbon in the horizontal-flow primary sedimentation tank, microbattery formed by the iron powder and powdered carbon can be distributed on the whole primary sedimentation tank, the organic matter in the sludge and microbe cell wall can be degraded or ruptured under effect of microelectrolysis, extruding processing of a gantry crane grab bucket is combined, so that color substance in sewage can be removed, water in the microbe cell wall in the sludge can be dissociated, combination water content in the sludge is reduced, sludge condensation processing difficulty is reduced, sludge dehydration rate is increased, press filtration load and difficulty of a filter press are reduced, and sludge processing cost is reduced.

The invention relates to a concentration method of a pseudo-ginseng total saponin extracting solution. A reverse osmosis process is mainly utilized to concentrate the pseudo-ginseng total saponin extracting solution. The concentration method provided by the invention has the advantages of favorable concentration effect and small loss.

The invention relates to a waste collecting device for a wire shearer. The wire shearer comprises a longitudinal revolving shaft, and is characterized by comprising a transversely-extending bedplate of which the bottom surface is provided with an opening, a waste collecting groove, and a waste guide groove which is positioned between the bedplate and the waste collecting groove and is provided with a longitudinal through groove; the through groove is communicated with the opening and the waste collecting groove; the bedplate is sleeved outside the revolving shaft through a circular installation hole; and the lower end of the opening is correspondingly communicated with the upper end of the through groove partially or totally along a cross section direction. The waste collecting device for the wire shearer disclosed by the invention comprises the bedplate and the guide groove which are matched with each other, and wire shearing waste enters the through groove of the guide groove through the opening on the bedplate and is recovered to a place under the guidance of the through groove, so that the concentration ratio and recovery rate of waste are increased, mechanical components of the wire shear are protected, and inconvenience in cleaning these components one by one is avoided; and waste is recovered during wire shearing, so that continuous normal work of the wire shearer is ensured.

The invention relates to the technical field of seawater desalination, in particular to a low-temperature multi-effect distillation seawater desalination system, which is used for increasing the seawater concentration rate. The Low-temperature multi-effect distillation seawater desalination system comprises a plurality of tandem evaporation sets with a reverse flow sequence and a direct flow sequence, a condenser communicated with the evaporation set with lowest running temperature in the reverse flow sequence, a seawater feeding pipeline communicated with the condenser, a steam feeding pipeline communicated with the evaporation set with highest running temperature in the direct flow sequence, and inter-group water pumps arranged on inter-group seawater pipelines. According to the low-temperature multi-effect distillation seawater desalination system, the tandem evaporation sets are divided into the reverse flow sequence and the direct flow sequence, a raw material-seawater enters the evaporation sets with the gradually increased temperature in the reverse flow sequence step by step according to the reverse flow sequence for evaporation and concentration, and the evaporated and concentrated seawater enters the evaporation sets with the gradually reduced temperature in the direct flow sequence step by step according to the direct flow sequence for further evaporation and concentration, so that the seawater concentration rate is increased.

The invention discloses a high-salt and high-nitrogen wastewater treatment device, and relates to the technical field of wastewater treatment. The high-salt and high-nitrogen wastewater treatment device comprises an air flotation pretreatment device and an MVR evaporator, the MVR evaporator comprises a compressor, a separator, a plate heat exchanger and a circulating pump, the circulating pump is connected between the plate heat exchanger and the separator, and a water outlet of the air flotation pretreatment device is connected with the separator through a wastewater conveying pipe. According to the invention, firstly, the air flotation pretreatment device is used for carrying out air flotation treatment on the wastewater to complete heavy metal removal and air flotation oil removal, then the MVR evaporator is used for carrying out evaporation concentration on the wastewater, and one MVR evaporator can replace one traditional wastewater treatment production line, so that the occupied space of the device is greatly reduced, and the effluent reaches the standard by 100%; the circulating pump is arranged between the separator and the plate heat exchanger, forced circulation is achieved, and the device has the advantages of being high in heat conduction efficiency, easy to expand, high in concentration rate, not prone to scaling and the like.

The invention discloses a thermal film coupled marine energy supply system, which relates to the fields of seawater desalination, energy saving and emission reduction. The reverse osmosis seawater desalination supply components of the system include seawater pretreatment device, heat recovery device and reverse osmosis device; The reverse osmosis device; the input end of the water turbine is connected with the brine output end of the reverse osmosis device through the pipeline, the output end of the water turbine is connected with the brine input end of the thermal desalination device through the pipeline, and the water turbine is connected with the compressor; the compressor is connected with the thermal desalination device The device forms a steam circulation path. The invention can couple the function of reverse osmosis membrane water production with the function of thermal water production, and then use the residual pressure of brine during reverse osmosis membrane water production to couple thermal method to realize evaporation water production, thereby significantly reducing energy consumption and cost , which is ideal for promotion.

The invention discloses a marine energy supply system with coupling of the seawater desalination function and the refrigeration function, and relates to the fields of seawater desalination, energy conservation and emission reduction. A seawater desalination supply assembly of the system includes a seawater pretreatment device, a condensation heat recovery device and a reverse osmosis device; a thermal method seawater desalination supply assembly includes a piston-typed compressor, a capillary desalination evaporator, and a reused seawater pretreatment device and condensation heat recovery device; and a refrigeration cycle assembly includes a refrigerator, and a reused piston-typed compressor, throttle valve and capillary desalination evaporator. The system provided by the invention can reuse and couple the reverse osmosis water making function, the thermal method water making function and the refrigeration function, can utilize the brine pressure energy obtained in the reverse osmosiswater making process to drive refrigeration cycle, and can also perform heat exchange on feed seawater of reverse osmosis and a steam obtained in the thermal method water making process, preheats thefeed seawater, realizes the secondary concentration of reverse osmosis desalting water in a thermal method, wherein the entire process does not require additional electric power input, and is very suitable for promotion.