87 results about "Solvent flow" patented technology

The invention relates to the technical field of industrial waste gas treatment, and discloses an acid gas treatment device and method for synthesis ammonia production, the acid gas treatment device for synthesis ammonia production comprises an absorption tower, a spraying system and a filler layer, the spraying system and the filler layer are installed in the absorption tower, and a receiving disc is arranged below the filler layer; the receiving disc comprises a plurality of annular plates which are vertically and coaxially distributed, the diameters of the annular plates are gradually reduced from top to bottom, the bottom of the annular plate on the lowermost side is fixedly connected with a drainage ring, the outer wall of the lower portion of the drainage ring is sleeved with a collecting cylinder, the inner wall of the drainage ring is fixedly connected with a flow slowing cylinder, and the lower portion of the flow slowing cylinder extends into the collecting cylinder. The solvent flows on the annular plate, and after the flow speed of the solvent is slowed down through the flow slowing cylinder, the solvent and impurities form a falling speed difference in the collecting cylinder, so that the impurities can effectively precipitate at the bottom in the collecting cylinder and are prevented from flowing to a filtering system of the recycling box along with the solvent, the burden of the filtering system is relieved, and the recycling efficiency of the solvent is improved.

The invention provides an absorption tower structure and a carbon capture system with the same, the absorption tower structure comprises: a tower body; the reaction cavities are arranged in the tower body and extend in the length direction of the tower body, the reaction cavities are sequentially arranged in the circumferential direction of the tower body, and the sectional areas of the sections, in the radial direction of the tower body, of the reaction cavities are proportionally arranged; the plurality of gas inlet channels are communicated with the plurality of reaction cavities in a one-to-one correspondence manner; the spraying assembly is arranged above each reaction cavity, the spraying assembly comprises a plurality of spray heads, and each reaction cavity is opposite to at least one spray head in the plurality of spray heads. The problem that in the prior art, the smoke flow is not matched with the flow of an absorption solvent, and consequently gas-liquid mixing is not uniform is solved.

The utility model belongs to the technical field of coating equipment, and particularly relates to a die head T block groove automatic cleaning device which comprises a first die head, a second die head is assembled on one side of the upper end of the first die head, a solvent flow channel and a plurality of liquid inlet holes are formed in the second die head, and the solvent flow channel is communicated with the liquid inlet holes. And the solvent flow channel and the multiple liquid inlet holes are communicated with each other, a plurality of T-shaped blocks are assembled in the solvent flow channel, and a liquid outlet hole is formed in one end of the second die head. After the sealing cover is attached to one side of the second die head, compressed air is conveyed to the vacuum generator, so that the sealing cover is tightly attached to the second die head, a cleaning solvent is conveyed to the interior of the solvent runner through the pump body, the interior of the solvent runner and the surface of the T-shaped block are cleaned through the cleaning solvent, and meanwhile, the cleaning effect is good. The gravity of the filter plate and impurities on the surface of the filter plate is measured through the tension sensor, and when the gravity of the filter plate and the impurities on the surface of the filter plate is larger than a set gravity threshold value, workers can clean the filter plate in time.

The invention belongs to the technical field of grease refining and refining, and particularly relates to a rice bran oil processing and leaching process and system which comprises a leacher, and the leacher comprises main equipment, material grids, a spraying device, an oil collecting tank, a waste discharging tank and a driving device; the partition frames are connected into the material grids in a sliding mode through springs, and the partition frames are evenly and vertically distributed; when the partition plates are in the horizontal state, the partition plates form a closed state, rice bran is blocked, the flow speed of a solvent penetrating through the partition plates is reduced, the flow speed of the solvent is increased, and the situation that the oil extraction effect is reduced due to too high flow speed of the solvent and insufficient contact of the solvent and the rice bran caused by too high air permeability in the rice bran in the material grid is avoided; for example, due to the fact that the partition plate is closed, a layer of solvent flows slowly and accumulates on the top, contact between the rice bran and the solvent is facilitated, and the leaching effect is improved; in addition, the fresh solvent is injected, the old solvent gradually flows down, and subsequent injection of the fresh solvent is not affected in the mode.

The invention discloses a quality inspection and early warning system for impregnated paper production, and relates to the field of quality inspection and early warning for impregnated paper production, and the method comprises the steps: directly measuring the real liquid pressure intensity of a paper immersion area through an impregnation parameter collection module, and generating a dynamic pressure intensity deviation in combination with the theoretical pressure intensity calculated by a dynamic pressure intensity calibration module; the valve opening reference value is matched based on the dynamic pressure deviation, the solvent flow is corrected in real time in combination with the liquid level change rate, and the precipitation risk is evaluated by analyzing the concentration reduction amplitude after solvent supplementation and the duration required by solution stabilization; when the risk reaches an activation condition, triggering an anti-precipitation instruction, according to the anti-precipitation instruction, linking a stirrer to stir in a production intermittent period, and injecting a solute to ensure that the concentration reaches the standard; and recording the water level adjusting time length, the concentration compensation time length and the instruction response time length, triggering graded alarm when time is out, and outputting an interrupt reset instruction to a corresponding adjusting module. And the quality control level in the impregnated paper production process is improved.

The invention discloses filtering equipment and a clothes processing device with the filtering equipment, the filtering equipment comprises a filtering shell, at least two filtering cavities are formed in the filtering shell, the at least two filtering cavities are communicated in sequence, an inlet and an outlet are formed in the filtering shell, the inlet is communicated with one of the at least two filtering cavities, and the outlet is communicated with the other one of the at least two filtering cavities; the outlet is communicated with the other one of the at least two filtering cavities; the multiple filtering pieces correspond to the at least two filtering cavities in a one-to-one mode, each filtering piece is contained in the corresponding filtering cavity, and the multiple filtering pieces sequentially filter the washing solvent flowing from the inlet to the outlet. According to the filtering equipment designed by the invention, the plurality of filtering cavities which are sequentially communicated are formed in the filtering shell, and the filtering parts are respectively arranged in the plurality of filtering cavities, so that the size of the multi-stage filtering system in the filtering shell is small, and the mounting space of the dry cleaning device for mounting the filtering system is reduced.

Described is a liquid chromatography system configuration. The configuration includes a binary solvent delivery system with a first pump for a strong solvent and a second pump for a weak solvent; an injector that is placed after the first pump and before a mixing tee that is used to combine the strong and weak solvent flow; a mixer placed downstream from the mixing tee and upstream from a column, is effective in radial mixing with small internal volume.

This utility model relates to a ceramic glazing spray gun, comprising a spray gun, a solvent tank, and a glaze tank. The glaze inlet end of the spray gun is connected to a three-way switching valve, and the solvent tank, glaze tank, and spray gun are connected via the three-way switching valve. After the spray gun finishes working, the three-way switching valve instantly switches to the solvent tank, and the solvent in the solvent tank flows into the spray gun, replacing the glaze and filling the fluid channel of the spray gun. Then, the solvent is sprayed out in a mist to flush the inside of the spray gun until clear solvent flows out, thus ensuring that the fine orifices of the nozzle are not blocked.

The present invention relates to an apparatus for treating fibrous materials such as textiles. The fibrous material is fed into a reactor volume having an upper end and a lower end, the reactor volume being delimited by a first filter at the lower end of the reactor volume and a second filter at the upper end of the reactor volume. A solvent flow is directed through the reactor volume, entering the reactor volume through the first filter and exiting the reactor volume through the second filter.

The utility model relates to the technical field of lithium batteries, and discloses an electromagnetic valve which comprises a valve body, a valve element and a cover body assembly. The valve body is provided with a valve cavity and a solvent flow channel, and the valve cavity is provided with a first inlet, a second inlet and a first outlet; the solvent runner is provided with a third inlet and a second outlet, and the solvent runner is communicated with the valve cavity through the second outlet; the valve element is movably arranged in the valve cavity and used for adjusting the opening degree of the first inlet and the opening degree of the second inlet and the first outlet. The cover body assembly comprises an elastic gasket, the elastic gasket is arranged in the third inlet or the solvent flow channel, and a notch is formed in the elastic gasket and used for closing or opening the solvent flow channel. The electromagnetic valve has the advantages that the electromagnetic valve on equipment can be maintained on line without being detached, electrolyte crystals at the joint of the valve element and the valve cavity are dissolved, maintenance efficiency is improved, and normal operation of the equipment is prevented from being affected.

The utility model discloses a separation and dehydration system for recycled waste liquid. An evaporator is configured to evaporate and vaporize a flowing organic solvent; a gas inlet of the supergravity rectification bed is connected with a gas outlet of the evaporator through a pipeline, and a liquid outlet of the supergravity rectification bed is connected with a first liquid inlet of the evaporator through a pipeline; one end of the circulating pipeline D is connected with a gas outlet of the supergravity rectification bed, the other end of the circulating pipeline D is connected with a reflux inlet of the supergravity rectification bed, and a first condenser and an acid value instrument are arranged on the circulating pipeline; the membrane assembly is connected with a gas outlet of the supergravity rectification bed through a first pipeline, a fourth control valve is arranged on the first pipeline, and the membrane assembly is configured to dehydrate a solvent flowing through the membrane assembly to obtain a finished product organic solvent; and the feeding pipe group is configured to convey recovered waste liquid to the evaporator or the supergravity rectification bed. According to the scheme, the product precision and the processing efficiency can be improved, and the operation cost and system energy consumption are reduced.

The invention discloses a low-temperature efficient propolis extraction device, and relates to the technical field of propolis extraction. A strong shearing force is generated through high-speed rotation of the front curved knife face blades, propolis particles can be rapidly crushed, meanwhile, full mixing of a propolis raw material and an ethanol solvent is promoted, the extraction efficiency is improved, the ethanol solvent slowly moves downwards in the extraction tank through slow rotation of the spiral stirring blades, and the extraction efficiency is improved. The vortex generated by high-speed rotation of the blades with the front curved knife faces enables part of the ethanol solvent to flow out from the through grooves of the protective sleeve to form convection, so that the ethanol solvent can be uniformly distributed on each layer of the propolis raw material, and effective components in the propolis can be in more comprehensive contact with the ethanol solvent and are dissolved; the method ensures that the extracted propolis product has higher quality, is beneficial to full dissolution of active ingredients of the propolis, improves the extraction efficiency of the propolis, and is beneficial to extraction of more active ingredients of the propolis, so that the overall quality of the propolis product is improved.

The application provides a reaction device and method for continuously synthesizing trimethyl phosphite, and belongs to the technical field of trimethyl phosphite synthesis. The reaction device comprises a raw material tank group, a composite reaction kettle, a solvent tank, a pre-cooler, a water washing kettle, an alkali liquid buffer tank, a layered system and a rectification system. The raw material tank group comprises a methanol tank and a phosphorus trichloride tank. The raw material tank group and the solvent tank are connected with the composite reaction kettle through pipelines via the pre-cooler, and the composite reaction kettle is connected with the water washing kettle through a pipeline. The phosphorus trichloride drop-like feed is efficiently converted into a uniform liquid film by a centrifugal disc, and then the liquid film is converted into a fine jet flow by a spraying ring. The fine jet flow is instantaneously and highly intensively sheared with a strong vortex-shaped methanol / solvent flow formed through a tangential feeding pipe. The secondary intensified mixing mode replaces the macroscopic mixing limitation of a traditional stirred tank, realizes instant and uniform mixing of materials at a micro level, thereby inhibiting a side reaction and effectively improving a reaction rate.

The utility model relates to the technical field of glass distillation devices, in particular to an interface connecting assembly of a glass distillation device, which comprises a kettle cover and a reflux pipe, a connecting pipe for condensation and reflux is arranged at the upper end of the kettle cover, and a first ball convex opening connector is arranged at one end of the connecting pipe; compared with the prior art, the utility model has the advantages that the kettle cover adopts the spherical convex opening, the reflux elbow also adopts the spherical convex opening, and the polytetrafluoroethylene sealing gasket is additionally arranged between the two spherical convex openings, so that the reflux efficiency of the condensed liquid solvent is higher, and the problem that the reflux efficiency is low due to the fact that the kettle cover adopts the spherical concave opening in the traditional interface connection mode is solved. According to the present invention, the reflux elbow adopts the ball opening convex opening manner, such that the condensed liquid solvent flows into the kettle along the glass wall after passing through the spherical surface concave opening of the kettle cover during the reflux so as to cause the secondary reaction returning to the interior of the kettle body to have a certain hysteresis; therefore, the practicability of the interface connecting assembly can be greatly improved.

To provide a micro chamber array that leads solvent flowing through a flow channel excellently to a plurality of housing parts, and can improve the detection sensitivity of fluorescence.SOLUTION: A micro chamber array comprises: a first substrate; a second substrate opposing the first substrate; a flow channel which is provided between the first substrate and the second substrate, and through which solvent containing a sample flows; a chamber body part which is provided on a surface of the first substrate opposing the second substrate; and a plurality of housing parts which are provided for the chamber body part. The chamber body part has a first resin layer and a second resin layer. The second resin layer and the first resin layer are laminated in this order on the first substrate, self-fluorescence created when the second resin layer is irradiated with excitation light is smaller than self-fluorescence created when the first resin layer is irradiated with excitation light, and the contact angle of the second resin layer to water is larger than the contact angle of the first resin layer to water.SELECTED DRAWING: Figure 5

The invention relates to the technical field of asphalt testing devices, and discloses an asphalt four-component testing device which comprises a chromatographic column, a connecting cylinder, a pressurization mechanism and a pressure relief assembly, the pressurization mechanism comprises a pressurization cylinder, a piston and a first telescopic driving mechanism, the bottom of the connecting cylinder is communicated with the chromatographic column, and the bottom of the connecting cylinder is communicated with the pressure relief assembly. The top of the connecting cylinder is connected with the pressure cylinder, a first one-way valve only allowing gas to enter the connecting cylinder from the pressure cylinder is arranged between the connecting cylinder and the pressure cylinder, and the piston is driven by a first telescopic driving mechanism to slide along the inner wall of the pressure cylinder in the direction close to or away from the first one-way valve. A pressure relief pipe is arranged on the connecting cylinder, the pressure relief assembly can stretch and slide along the inner side wall of the pressure relief pipe along with the change of the air pressure in the connecting cylinder, and when the pressure relief assembly stretches to a preset position, the connecting cylinder communicates with the outside through the pressure relief pipe. The asphalt four-component test device is good in test pressurization controllability, and the solvent flow speed is convenient to adjust.

The invention relates to the technical field of traditional Chinese medicinal material processing, in particular to a traditional Chinese medicinal material crushing and alcohol extraction integrated device. The device comprises a base and an extraction tank fixed at the top of the base. Through the structural design of the extraction tank, the pretreatment mechanism and the grinding mechanism, the device realizes organic combination of crushing and alcohol extraction in the processing process of traditional Chinese medicinal materials, can ensure that the traditional Chinese medicinal materials can be fully crushed and the cell walls of the medicinal materials are effectively damaged, so that the effective components in the traditional Chinese medicinal materials are released to the greatest extent, and the extraction efficiency is improved; through the structural design of the uniform mixing mechanism, the device is matched with vibration generated by an ultrasonic transducer to enable a solvent to continuously flow, so that the solvent can continuously make contact with the traditional Chinese medicinal materials, cell walls can be broken under the cavitation action of ultrasonic waves, and the yield and quality of the traditional Chinese medicinal materials are improved; active ingredients in cells can be more easily released into the solvent, so that the extraction speed is accelerated.

The utility model belongs to the technical field of 3D printers, and provides photocuring 3D printing full-automatic post-processing equipment which comprises an outer frame. The drying and curing bin is fixedly connected to the outer frame, an opening is formed in the bottom of the drying and curing bin, a cleaning bin is fixedly connected in the opening, a part basket is fixedly connected in the drying and curing bin through a lifting mechanism, and the part basket enters and exits the cleaning bin through the opening; the ultrasonic generation assembly is arranged on the outer wall of the cleaning bin; the air blowing assemblies are arranged on the two opposite side walls of the drying and curing bin; the plurality of ultraviolet curing lamps are respectively arranged on two opposite side walls of the drying and curing bin; the vacuum generation assembly is used for manufacturing a vacuum environment in the drying and curing bin; and the solvent flow control assembly is used for filling or extracting a solvent into or from the cleaning bin. The 3D printing post-processing system can improve the automation degree of the 3D printing post-processing process and avoid potential safety hazards.

This disclosure describes a mixer 50 for a liquid chromatography system. The mixer includes a flow distributor 52, a mixing disk 54, and a flow collector 56. The mixer includes an inlet face, an outlet face, and a plurality of channels, each channel having an inlet end at the inlet face and an outlet end at the outlet face. The channels have anisotropic flow direction between the inlet and outlet faces. The component solvent flow received at the flow distributor 52 is distributed on the inlet face of the mixing disk 54, and the flow collector 56 collects the distributed solvent composition flow after passing through the mixing disk 54. The mixing disk 54 can include a dispersive medium having a random porous structure. The residence time distribution of the mixer can depend on the structure of the channels between the inlet and outlet faces of the mixing disk.

The invention discloses a flame-retardant material, a preparation method thereof and a product. The flame-retardant material is prepared from the following components in parts by mass: 60 to 75 parts of polycarbonate; 6 to 10 parts of acrylonitrile-butadiene-styrene copolymer; 15 to 25 parts of talcum powder; 9-15 parts of a flame retardant; 0.5 to 1 part of an anti-dripping agent; 2-5 parts of a toughening agent; and 0.5 to 3 parts of an interface compatilizer; wherein the aspect ratio of the talcum powder is 15 to 25; the interfacial compatibilizer includes an organic compound having an epoxy group. According to the flame-retardant material disclosed by the invention, the high modulus is ensured through the talcum powder with the high aspect ratio, and meanwhile, flame retardance and solution flow are considered through coupling between the interface compatilizer and the talcum powder.

The embodiment of the invention discloses an electrolyte tank cleaning device. The device comprises a rack, a weighing platform, a solvent tank, a liquid phase pipeline, a spraying pipeline, a gas phase pipeline, a recovery pipeline, a liquid flow switch arranged on the liquid phase pipeline, and pressure sensors arranged on the recovery pipeline and the solvent tank respectively. According to the embodiment of the invention, the quick connection between each pipeline and the corresponding part is realized through the arrangement of the quick connectors, meanwhile, the connection tightness between the liquid-phase pipeline and the liquid-phase port is detected through the liquid flow switch, and a prompt is sent out through the prompt assembly; a worker can adjust the connection state of a liquid phase pipeline and a liquid phase opening in time, so that the inner wall of the liquid phase pipeline can be stably flushed by a solvent, and the cleaning requirement is met; the pressure sensor on the solvent tank is used for detecting the pressure of the solvent flowing into the spraying pipeline, and the reminding component is used for reminding to adjust the pressure of the solvent flowing out of the solvent tank in time, so that the working pressure of the spraying opening meets the requirement.

A solvent extraction process may be used to generate a miscella stream. The miscella stream may be processed by a separation device, such as a decanter, to form a light phase stream and a heavy phase stream. In some examples, a portion or all of the light phase recycle stream passes to a solvent purification device, such as a membrane, that separates the feed stream into a purified solvent stream and a concentrated light phase stream. The purified solvent stream may be solvent that is substantially or completely free of oil. The concentrated light phase stream contains a portion of the solvent from the feed stream together with nearly all or all of the oil in the feed stream. The purified solvent stream can then be used to supplement the fresh solvent feed to the extractor.

This invention relates to the field of petroleum component processing for high-aromatic oils, specifically a method and apparatus for enriching aromatic components. The former comprises the following steps: First, the feedstock oil, after primary adsorption refining, enters a multi-stage centrifugal extractor. In the multi-stage centrifugal extractor, the extraction solvent flows counter-currently with the feedstock oil for solvent extraction, yielding raffinate and extracted oil. Second, the extracted oil undergoes sedimentation separation to obtain upper and lower extracted oils. Third, the lower extracted oil undergoes sequential solvent separation and secondary adsorption refining to complete the enrichment and separation of high-aromatic oils from the feedstock oil, resulting in high-aromatic environmentally friendly rubber oil. This invention can simultaneously achieve both oil yield and aromatic selectivity, obtaining aromatic-rich components with an aromatic content greater than 75% and an aromatic extraction rate higher than 60%, ultimately yielding C... A It is a high-aromatic environmentally friendly rubber oil with 20% to 30% aromatics, which further improves the utilization rate of mono- and bi-cyclic aromatics in vacuum distillate oil, can achieve continuous operation, and has high refining efficiency and high recovery rate.

The application discloses a method for reducing the edge film thickness of high-viscosity photoresist, and belongs to the photoetching process technical field in the integrated circuit manufacturing industry. After photoresist spraying is performed on a wafer to be coated, the photoresist is spread to the whole wafer surface by glue throwing to form a stable film with a certain thickness; then the EBR nozzle is moved for two or more times with different distances to perform edge thinning, the flow of edge dissolving solvent is 10-20 ml / min, and the wafer rotating speed is 300-800 rpm; after coating and thinning are completed in the glue coating unit, the wafer is taken out by a robot, is baked, is sent into exposure, then is developed, and finally is transmitted back to a wafer box. The method optimizes the film uniformity, reduces wafer and equipment pollution, improves the process quality, and reduces the number of "invalid bands" in the subsequent photoetching process under the premise of guaranteeing the original standard requirements.

The invention is suitable for the technical field of camphor extraction and purification, and provides a camphor extracting solution fractionation and solvent recovery device, which comprises a device main body, and the device main body comprises a fractionating tower and a condenser; the buffer tank main body comprises a tank body and a cover body, an air inlet is formed in the upper end part of the cover body, an air outlet is formed in the lower end part of the tank body, the interception structure is mounted on the tank body and is arranged at a preset distance below the flow guide structure, the interception structure comprises a mounting table, a plurality of groups of interception plates and a fixing ring, and mounting grooves are formed in four side walls of the mounting table; the fixing ring is fixedly mounted at the lower end of the mounting table, each group of cutting plates is fixedly mounted in each mounting groove, and the two ends of each cutting plate are connected to the opposite inner walls of the mounting grooves; according to the invention, the gas-phase solvent flows through the plurality of groups of obliquely arranged intercepting plates, so that camphor fog drops originally flowing along with the gas-phase solvent are separated from the gas-phase solvent and are attached to the intercepting plates, and the purpose of improving the purity of the recovered gas-phase solvent is achieved.

In a state in which a solvent capable of dissolving ozone gas is circulated through a circulation line (L2a), the temperature of the solvent is appropriately controlled, and the solvent is caused to flow into a gas-liquid mixer (21) to which the ozone gas is supplied at an arbitrary supply pressure, thereby mixing and dissolving the ozone gas in the solvent. The gas-liquid mixer (21) includes a solvent flow path through which a solvent flows, and an ozone gas introduction path that is connected to the solvent flow path and introduces ozone gas supplied to the gas-liquid mixer (21) into the solvent flow path. In addition, the solvent temperature is controlled such that the solvent vapor pressure is less than the ozone gas supply pressure, and the ozone gas supplied to the gas-liquid mixer (21) has an ozone concentration of 50 vol% or more and an ozone partial pressure of 30 kPa (abs) or less.

The present disclosure relates to a container assembly for an extracorporeal blood treatment machine or for an extracorporeal blood treatment machine as a substitute for a plug-in container designed with a predetermined topology for providing an alkaline solution, the container assembly having: a container provided and configured to receive an alkaline drying substance, the invention relates to an extracorporeal blood processor comprising a container inlet and a container outlet, an adapter comprising an inlet connection section and an outlet connection section, the inlet connection section being provided and designed to be coupled and fluidically connected to an inlet of a plug-in container receptacle of the extracorporeal blood processor, the outlet connection section is provided and designed at least for coupling to an outlet of a plug-in container receptacle of an extracorporeal blood treatment machine, and a solvent flow path, which is provided and designed to pass through the container from the inlet connection section of the adapter via the container inlet and to the container outlet. In addition, the present disclosure relates to an extracorporeal blood treatment machine having a container assembly.

A substrate processing apparatus (1) is provided with: a water flow path that guides water toward a substrate (W); and a solvent flow path (33x) that guides an organic solvent, which is a liquid having a lower surface tension than water, to the substrate (W). The water flow path includes a concave-convex surface (72) having a concave portion (72u), at least a part of which is filled with air, and a convex portion (72 h), which is in contact with water in contact with the air in the concave portion (72u). The solvent flow path (33x) includes a mirror surface (71) in contact with the organic solvent.

The present invention belongs to the technical field of coating apparatuses, and specifically relates to a coating die head cleaning device. The cleaning device comprises a lower die head, wherein an upper die head is fitted on one side of the upper end of the lower die head; a solvent flow channel and a plurality of liquid inlets are provided inside the upper die head, and the solvent flow channel is in communication with each of the plurality of liquid inlets; a plurality of T-shaped blocks are fitted inside the solvent flow channel; and a liquid outlet is provided in one end of the upper die head. In the present invention, after a sealing cover is attached to one side of the upper die head, the sealing cover can be tightly attached to the upper die head by means of delivering compressed air to a vacuum generator, a cleaning solvent is delivered to the interior of the solvent flow channel by means of a diaphragm pump, and the interior of the solvent flow channel and the surfaces of the T-shaped blocks are cleaned by means of the cleaning solvent. In addition, the gravity of a filter element and impurities on the surface thereof is measured by means of tension sensors, and when the gravity of the filter element and the impurities on the surface thereof is greater than a set gravity threshold value, an operator can clean the filter element promptly.

The invention discloses a solvent flow control system, method and application in traditional Chinese medicine extraction. The system comprises a passive regulation system and an active regulation system. The passive regulation system comprises a bin module and a pipeline module. The bin module comprises a primary bin, a secondary bin, a tertiary bin and a quaternary bin. The primary bin, the secondary bin, the tertiary bin and the quaternary bin are connected in sequence and control the flow of the solvent by changes in the internal air pressure. The pipeline module is used for the inflow of the solvent. The active regulation system comprises a liquid level sensor for monitoring the liquid level data of the solvent in the bin module and an air pressure regulation module for regulating the air pressure. The passive regulation system is used for passively realizing the supplementary inflow of the solvent when the solvent flows out. The active regulation system is used for real-time monitoring the liquid level data of the solvent and actively controlling the supplementary inflow and outflow of the solvent according to the monitored real-time liquid level data. The combination of the passive regulation and the active regulation improves the flow control process of the solvent.