191 results about "Retort" patented technology

The invention discloses a plant extraction, separation and purification device, and relates to the technical field of separation and purification, the plant extraction, separation and purification device comprises a distillation retort, the distillation retort comprises a retort body and a retort cover arranged at the top of the retort body, a feeding pipe is fixed at the upper part of the side wall of the retort body, and an exhaust pipe is arranged on the retort cover; the two heating mechanisms are respectively fixed on the inner walls of the left side and the right side of the tank body; the condensation mechanism comprises an air inlet cover and a liquid collecting cover, and a plurality of condensation assemblies are arranged between the air inlet cover and the liquid collecting cover. Vaporized liquid mist of a plant extracting solution moves from top to bottom in the condensation cavity of the condensation assembly, meanwhile, cold water moves from bottom to top in the inner water cavity and the outer water cavity of the condensation assembly, and the condensation cavity is located between the inner water cavity and the outer water cavity, so that the cold water can effectively exchange heat with the vaporized liquid mist in the condensation cavity; therefore, vaporized liquid mist in the condensation cavity is condensed, and the condensation efficiency is effectively improved.

The utility model relates to the technical field of evaporator equipment, and discloses a rotary evaporator which comprises a rotary evaporator body, a control terminal is arranged on the front face of the rotary evaporator body, a heating pot is fixedly connected to the upper surface of the rotary evaporator body, and a base is fixedly connected to the upper surface of the rotary evaporator body. The front surface of the base is fixedly connected with a rotating sleeve, one end of the rotating sleeve is fixedly connected with a distillation flask, and the other end of the rotating sleeve is fixedly sleeved with a condenser. The evaporator is rotated, a concentrated sample is taken out from the distillation flask and subjected to subsequent analysis or storage, when the water content in the heating kettle is reduced along with continuous heating of the heating kettle, the water level detector detects that the water level drops, and then the electric telescopic rod is opened through the controller; an electric telescopic rod drives a pushing rod to move up and down through a driving plate to supplement water in the warm water tank into the heating pot, and the problem that heating is uneven due to the fact that water in the heating pot is reduced is solved to a certain extent.

The utility model discloses a rotary evaporator which comprises a heating base, a water bath kettle is arranged on the heating base, a connecting base is arranged on one side of the heating base, a lifting device is arranged on the connecting base, and the lifting device comprises a fixed seat connected with the connecting base and a lifting platform vertically connected with the fixed seat in a sliding mode. A rotary seat is arranged on the lifting platform, a distillation bottle and a cooling bottle are respectively arranged on two sides of the rotary seat, the distillation bottle rotates around the central axis of the distillation bottle under the driving of the rotary seat, the bottle body of the distillation bottle is positioned in the water bath kettle, and a spiral pipeline is arranged on the distillation bottle along the surface of the bottle body; the distillation bottle is communicated with the cooling bottle through a rotating seat, and a collecting bottle is communicated below the cooling bottle. During rotary evaporation, high-temperature liquid in the water bath kettle enters the pipeline and flows along the bottle body, even if the bottle body of the distillation bottle rotates, the bottle body exposed out of the liquid level is continuously heated by the high-temperature liquid in the pipeline above the liquid level, and the evaporation efficiency is improved.

The utility model relates to the technical field of waste liquid distillation, in particular to a waste liquid distillation retort which comprises a water container part and an auxiliary evaporation retort part, the water container part comprises a water container barrel and a water container lower sealing head, the water container lower sealing head is welded and fixed at the lower end of the water container barrel, and a transition conical barrel is welded and fixed at the upper end of the water container barrel. Water container supporting legs are fixedly arranged at the lower end of the outer wall of the water container barrel, the auxiliary evaporation tank part comprises an auxiliary evaporation tank barrel, an auxiliary evaporation tank upper sealing head and a steam pipe, a heating device is fixedly arranged on the outer wall of the water container barrel, the heating device comprises a heating pipe, a connecting flange and a heating connecting pipe, and a jacket treatment device is fixedly welded to one side of the water container barrel. The jacket treatment device comprises an integrated connecting pipe, a jacket liquid adding pipe, a pressure detection pipe, a jacket exhaust pipe and a safety valve connecting pipe, the integrated connecting pipe is welded and fixed to the outer wall of the water container barrel and communicated with the interior of the water container barrel, and the jacket liquid adding pipe, the pressure detection pipe, the jacket exhaust pipe and the safety valve connecting pipe are communicated to the upper end of the integrated connecting pipe.

The utility model discloses a coal tar dehydration device which comprises a distillation flask (3), a reflux condensate water collector (7) connected with the distillation flask (3), a first collection flask (11) connected with the lower part of the reflux condensate water collector (7), and a coiled pipe condenser (10) and a second collection flask (12) which are sequentially connected with the upper part of the reflux condensate water collector (7), and a flow guide fan blade (6) is arranged in the reflux condensate water collector (7). The coal tar dehydration device provided by the utility model has the characteristics of simplicity and convenience in installation and operation, thorough water separation, high dehydration efficiency and no discharge of irritant gas.

The present invention discloses a testing device and method for quickly determining the ammonia content of fly ash, comprising a distillation flask, a splash-proof water vapor separator, a condenser, a steam bottle and an alkali liquid reagent bottle connected to the distillation flask through a pipeline, wherein the splash-proof water vapor separator is arranged above the distillation flask and communicated with the distillation flask, the splash-proof water vapor separator is connected to the condenser through a pipeline, and a detection kit is arranged below the condenser for detecting the ammonia content of ammonia-containing test liquid. The present invention avoids a complicated titration process and simplifies the operation steps by using the detection kit to detect the ammonia-containing test liquid. In addition, the detection kit can realize batch production and long-term storage, avoids reagent preparation and calibration during the test process, shortens the test time, and thus improves the test efficiency, and can quickly realize the determination of the ammonia content range of fly ash.

The invention discloses distillation equipment for ginsenoside extraction, belongs to the technical field of ginsenoside distillation extraction, and aims to solve the problems that a mechanical stirring mode is easy to cause that ginseng slices are broken to generate fine residues and the dissolution amount of impurities is increased, a stirring blind area exists in stirring, and the distillation extraction effect is influenced. A first sliding rail and a second sliding rail are symmetrically and fixedly arranged on the circumferential outer wall of a distillation retort, a first sliding assembly is arranged on the first sliding rail, a second sliding assembly is arranged on the second sliding rail, a transmission assembly is arranged on the circumferential outer wall of the distillation retort, and a connecting assembly is embedded in an output shaft of the transmission assembly; a mounting frame is rotationally arranged on the side wall of the inner cavity of the distillation retort, and a first discharging assembly, a second discharging assembly, a third discharging assembly and a top plate are sequentially arranged on the mounting frame from bottom to top. And a stirring blind area can be avoided.

The invention relates to the field of distillation, in particular to a recovery device capable of reducing alcohol loss, which comprises a distillation flask, a feeding pipe communicated with one side of the distillation flask, a liquid discharge pipe communicated with the bottom of the distillation flask, a valve arranged in the liquid discharge pipe, a liquid outlet pipe communicated with the distillation flask, heating equipment sleeved on the lower part of the distillation flask, and condensing equipment arranged outside the liquid outlet pipe, a filter box is arranged on the distillation flask, an opening is formed in the filter box, the bottom of the filter box is communicated with the feeding pipe, a one-way air inlet pipe is arranged at the bottom of the filter box, a filter mechanism for filtering waste liquid is arranged in the filter box, a pressurizing plate is slidably connected to the filter box, and a servo motor is arranged at the top of the filter box; and an output shaft of the servo motor is fixedly connected with a first threaded rod. Waste liquid is filtered through the filtering membrane, the filtered liquid flows into the distillation bottle to be distilled, it can be avoided that impurities affect the distillation quality, and meanwhile the filtering speed of the filtered liquid can be increased by driving the pressurizing plate.

The present application relates to chemical analysis instrument technical field, specifically to a kind of reciprocating distillation equipment and its using method.It includes that heating furnace is arranged on automatic distillation instrument and is placed in distillation flask on heating furnace, still includes sample adding tube, is set on the outer wall of distillation flask, sample adding tube is inclined to extend to the bottom of distillation flask, and the bottom end of sample adding tube is in contact with the bottom of distillation flask;Composite mechanism is used to add sample or extract distillate into distillation flask and clean distillation flask, including with the liquid pump of sample adding tube interface, liquid pump is connected with composite pipeline distillation operation and instrument measurement, can realize all automation, from water sample, reagent, start distillation to distillation end, distillation distillate is directly exported, all realize automatic completion.The whole operation process is automated, realizes unattended operation.Working time is greatly shortened, and work efficiency is significantly improved.

This invention belongs to the field of distillation apparatus technology and discloses an automatic distillation range measuring instrument and its calibration method, including a housing, a distillation flask, and a tube cover. The left end of the housing has a working area A, and the right end has a working area B. A control box is fixedly installed on the top of the housing. A heating plate is fixedly connected inside the working area A. The invention simultaneously starts a first motor to drive a second pulley to rotate. This, in turn, drives the first pulley to rotate via a drive belt, causing the tube cover to rotate with the mounting end. The serpentine condenser then rotates, and small volumes of liquid adhering to the inner wall of the serpentine condenser, under centrifugal force, slowly slide along the inner wall and merge with other small volumes of liquid to form a larger volume of liquid. Simultaneously, propelled by gas, this liquid drips down the discharge pipe into the collection bottle, effectively cleaning the liquid inside the serpentine condenser and avoiding waste.

The utility model relates to the technical field of distillation devices, in particular to a distillation device for chemical medicine inspection, which comprises a distillation flask and a condensation bin body, chemicals are contained in the distillation flask, a steam conveying pipe is fixedly connected to a bottle opening of the distillation flask, and a plurality of groups of flow dividing mechanisms are arranged in the condensation bin body. The flow dividing mechanism comprises a flow dividing condensation pipe which is designed in a spiral mode, the two ends of the flow dividing condensation pipe are provided with an input pipe opening and an output pipe opening respectively, and the top and the bottom of the condensation bin body are provided with a first communicating vessel and a second communicating vessel respectively. After heat exchange condensation with condensate in the condensation bin body is achieved, the height of each circle of the spiral flow dividing condensation pipe is gradually reduced, no height difference exists, liquid drops formed by steam can completely flow out through the flow dividing condensation pipe, and the situation that the liquid drops remain in the flow dividing condensation pipe is avoided.

The invention discloses an energy recycling system of a distillation device, which belongs to the technical field of heat energy recovery and comprises a live steam pipeline, a wine retort and a condenser, the live steam pipeline is communicated with the wine retort, a secondary steam evaporation chamber, a steam chamber, a cooling water chamber and a wine receiving chamber are sequentially arranged in the condenser, a steam passing cylinder at the top of the wine retort is communicated with the steam chamber, and the steam passing cylinder is communicated with the steam chamber. A cooling pipe penetrating through the cooling water chamber is communicated between the steam chamber and the wine receiving chamber, a hot water pipe for pumping heat exchange water in the cooling water chamber to the secondary steam evaporation chamber is further connected between the cooling water chamber and the secondary steam evaporation chamber, and a secondary steam conveying pipeline is further communicated between the secondary steam evaporation chamber and the live steam pipeline. A steam compressor is further installed on the secondary steam conveying pipeline. On the basis of not changing an existing distillation liquor flowing mode, the bled steam generated in the liquor distillation process is effectively recycled, the production level of liquor enterprises is improved, energy consumption is reduced, and emission is reduced.

The utility model discloses a double-layer heat preservation steamer pot with good sealing performance, and relates to the technical field of wine brewing equipment. A double-layer heat preservation retort pot good in sealing performance comprises a retort body, a heat insulation ring is arranged in the retort body, an annular open groove is formed in the upper end of the retort body, an annular air bag is arranged at the lower end in the annular open groove, a retort cover is arranged above the retort body, the retort cover is detachably connected with the retort body, the retort cover abuts against the annular air bag, and the annular air bag abuts against the retort body. The upper end of the retort body is provided with a baffle, the baffle abuts against the retort cover, the upper end of the retort cover is communicated with an air outlet pipe, the retort body is provided with an opening communicated with the annular open groove, and a sealing plug is arranged in the opening. And under the action of air pressure, the clean water extrudes the annular air bag, so that the annular air bag and the retort cover are attached more tightly, the air tightness of the retort cover and the retort body is effectively improved, and the wine yield is increased.

The utility model relates to food inspection field discloses a kind of distillation devices for food inspection capable of uniform heating, including base, the left side of the base is equipped with controller, the inside of the base is equipped with heating cavity, the inside of the heating cavity is equipped with retort, the inside of the retort is equipped with stirring shaft, the left side of the top of base is equipped with motor support, driving motor is installed on the motor support, the left side of the top of retort is equipped with thermometer.The distillation device for food inspection capable of uniform heating drives stirring blade to the liquid inside retort by driving motor, the efficiency of stirring mixing can be improved when stirring blade is fully opened, so that the liquid inside retort is fully agitated to realize uniform heating, heating layer adopts around type electric heating wire structure, the heat of heating layer is evenly conducted on the surface of retort by heat conduction layer to uniformly heat it, and the problem of uneven heating is solved.

The utility model relates to an improved nitrogen distillate absorption device, which comprises a distillation flask, a splash-proof ball tube, a guide tube, a condensing tube and a conical flask with double connecting balls which are connected in sequence, and a dropping funnel is arranged between the distillation flask and the splash-proof ball tube, and is characterized in that the distillation flask is provided with a temperature control device, the guide tube is U-shaped, and the condensing tube is arranged in the conical flask. The conical flask with the double connecting balls is connected to the lower end of the condenser pipe, and the opening of the conical flask with the double connecting balls is S-shaped. The gas absorption and titration device is simple, clear and accurate, and solves the problems that in the prior art, the heating temperature is too high, the temperature control is unstable, and the heating is not uniform; the gas flow speed is too high, so that the absorption is incomplete; the solution absorbed by the conical flask is easy to splash out, and system errors are easy to generate, so that the test is accurate.

The utility model discloses a novel DOTP continuous distillation device which comprises a bottom plate, a liquid collecting box arranged on one side of the top end of the bottom plate, a condensation tank arranged above the bottom plate on one side of the liquid collecting box, a plurality of second supporting legs arranged at the bottom end of the condensation tank, bottom ends of the second supporting legs connected with the top end of the bottom plate, and a distillation tank arranged above the bottom plate on one side of the condensation tank. First supporting legs are arranged on the two sides of the bottom end of the distillation retort, the bottom ends of the first supporting legs are fixedly connected with the top end of the bottom plate, a pressure gauge is installed at the upper end of the surface of the distillation retort, a distillation pipeline is arranged in the center of the top of the distillation retort, and the end, away from the distillation retort, of the distillation pipeline extends into the condensation tank and is provided with a condensation pipe. A circulating pump is mounted at the top end of the bottom plate between the condensation tank and the distillation tank. According to the utility model, not only is the distillation effect of the distillation device on DOTP in use guaranteed, but also the fusion rate of various raw materials of DOTP in the distillation retort is improved, and the condensation and collection efficiency of steam is guaranteed.

The utility model discloses distillation equipment which comprises a distillation retort, a cover body is hinged on the distillation retort, the cover body is connected with a mounting frame, and the cover body and the mounting frame are coaxially hinged on the distillation retort; the stirring mechanism is rotationally connected to the cover body, the stirring mechanism comprises a first stirring assembly and a second stirring assembly, and the first stirring assembly and the second stirring assembly enable a target solution to form opposite spiral directions during stirring; the driving motor is mounted on the mounting frame, and the driving motor is in transmission connection with the stirring mechanism; the condensation mechanism is communicated with the distillation retort, and the condensation mechanism is used for cooling the steam into liquid so as to facilitate recovery. The utility model solves the problems in the background art that when the existing distillation reaction kettle is used for preparing a target mixed solution, the mixed solution rotates along with a stirring paddle during stirring, eddy current is easy to generate, the mixing effect is poor, and the stirring is not uniform.

The utility model discloses a kind of deuterium water distillation preparation devices, belong to deuterium water distillation technical field, comprising: retort, the bottom of retort is fixedly connected with heating layer;Multi-stage pressure control mechanism, be in retort, to, the pressure control in retort, multi-stage pressure control mechanism includes inner tank ring, outer tank ring, two groups of through-hole and pressure control pump.The deuterium water distillation preparation device, by the use of multi-stage pressure control mechanism, can control the pressure inside retort gradually reduce, using boiling point difference amplification effect, the relative volatility of H2O and D2O is improved from 1.01 to 1.05, significantly reduce energy consumption, improve use effect, the deuterium water distillation preparation device, by the use of control mechanism, can operate multi-stage pressure control mechanism to use, and, the whole structure is simple, use same structure, control first sealing ring and second sealing ring respectively rotating, complete closed use, improve flexibility in use process.

The utility model relates to the technical field of waste recovery, and discloses a cleaning agent distillation recovery device which comprises a distillation retort, a cleaning agent distillation cooling mechanism is fixedly installed on the outer surface of the distillation retort, and the cleaning agent distillation cooling mechanism comprises heat insulation cotton, a cooling box, a condensation pipe, a water inlet pipe and a water outlet pipe. The bottom of the distillation retort is fixedly provided with a residue filtering mechanism, the residue filtering mechanism comprises a valve, a blow-off pipe, a blow-off pipe, a guide filtering plate, a garbage collection cylinder, a guide pipe and a fixing plate, and the top end of the condensation pipe penetrates through the distillation retort and extends into the distillation retort. The waste cleaning agent is heated through the heater in the distillation retort, the heated waste cleaning agent volatilizes out cleaning agent gas, the gas moves in the condensation pipe, cooling water in the cooling box cools the condensation pipe, the gas in the condensation pipe is condensed into liquid, and the cleaning agent is re-condensed into liquid and discharged from the condensation pipe.

The utility model is applied to the technical field of wastewater treatment, and discloses efficient and energy-saving wastewater distillation equipment which comprises a distillation retort, a first condensation tank and a second condensation tank are arranged on one side of the distillation retort, and a first steam inlet is fixedly formed in the outer surface of the upper end of one side of the distillation retort; a first steam outlet is fixedly formed in the outer surface of the lower end of the other side of the distillation tank. According to the efficient and energy-saving wastewater distillation equipment, a first steam outlet is connected with a flow guide pipe and a steam reflux inlet in the first condensation tank, steam used by the distillation tank can enter the first condensation tank and the second condensation tank, and waste heat of the steam is used for heating materials in the first condensation tank and the second condensation tank; meanwhile, the steam exhaust port in the first condensation tank is connected with the steam backflow port in the second condensation tank through the steam transfer pipe, so that steam can be recycled between the two condensation tanks, and multi-stage utilization of heat is achieved.

The utility model discloses a denatured fuel ethanol impurity purification device, and belongs to the field of liquid fuel purification, the purification device comprises a distillation retort, a condensation pipe arranged on the distillation retort, and a collection structure arranged at the tail end of the condensation pipe and used for collecting liquid; the collecting structure comprises a liquid guide pipe fixedly arranged at the tail end of the condensation pipe, a first tee joint fixedly arranged at the tail end of the liquid guide pipe, a first flow dividing pipe inserted into one end of the first tee joint, and a first collecting tank fixedly arranged at the tail end of the first flow dividing pipe. The second flow dividing pipe is inserted into the other end of the first tee joint; and the second collecting tank is fixedly arranged at the tail end of the second flow dividing pipe. And through cooperation of the first flow dividing pipe and the second flow dividing pipe, liquid with different concentrations can be collected at the same time, the collection tank does not need to be replaced, and therefore the purification efficiency is improved. Pollution and waste caused by the fact that liquid drops on the ground in the process of replacing the collecting tank are avoided, and the utilization rate of resources is improved.

The utility model provides a condensation chamber in a rose extraction device, which relates to the field of rose extraction devices, and comprises a condensation chamber shell, a water inlet pipe and a water outlet pipe are respectively connected to the outer walls of the two sides of the condensation chamber shell, and the bottom of the condensation chamber shell is connected with a rose distillation retort through an air inlet pipe; a diffusion cooling assembly is arranged in the condensation chamber shell, the lower side of the diffusion cooling assembly is connected with a connection cooling assembly, and the bottom of the connection cooling assembly is connected to the upper end of the air inlet pipe. The utility model solves the problems of low condensation efficiency and steam escape waste caused by single condensation chamber structure and small contact area with a cold source of the rose flower dew separation and extraction device in the prior art.

The invention discloses an atmospheric-vacuum distillation process and belongs to the technical field of distillation. Heating the sulfur-containing sewage into the distillation flask, and adding inert liquid; the distillation flask is heated, the temperature of the distillation flask is detected in real time through a temperature sensor, the pressure in the distillation flask is detected in real time through a pressure sensor, and negative pressure of the distillation flask is maintained through a capillary pressure reduction pipe extending into the distillation flask; the steam distilled from the distillation flask is condensed through the condenser, and the condensate is collected. According to the atmospheric and vacuum distillation process, through the temperature sensor and the pressure sensor, the temperature of liquid in the distillation flask and the pressure intensity in the distillation flask can be conveniently detected, the purpose of controlling the temperature and the pressure intensity during an experiment is further achieved, the condenser can enable water to be liquefied and condensed water to be liquefied in a contact mode, and the experiment efficiency is improved. Meanwhile, distillation can be selected under a normal pressure condition or a low pressure condition according to whether a capillary pressure reduction pipe is installed or not.

The utility model relates to the technical field of evaporation and concentration equipment, in particular to low-temperature evaporation and concentration equipment for waste cutting fluid, which comprises a mounting seat, a support plate arranged at the top of the mounting seat, a distillation kettle arranged on the side wall of the support plate and used for distilling the waste fluid, and a coil pipe arranged inside the distillation kettle. An evaporator used for collecting water vapor is further arranged on the side wall of the supporting plate, the exterior of the distillation still is communicated with a gas conveying pipe, one end of the gas conveying pipe is communicated with one end of the evaporator, and impurities contained in the cutting fluid waste liquid can be filtered through a filtering plate in the filtering box; then, in order to prevent filtering holes in a filtering plate from being blocked, a driving motor drives a rotating rod to rotate, meanwhile, a protruding block outside the rotating rod can also rotate, the filtering plate is extruded in a reciprocating mode, the filtering plate can be in a vibration state all the time under the action of a spring telescopic rod, and therefore the filtering effect is improved. The filtering holes in the filtering plate are effectively prevented from being blocked.

The utility model relates to the field of ethanol separation, and discloses an ethanol separation mechanism which comprises a distillation tank, a cooling tank, a water tank and a refrigerating machine which are sequentially arranged from right to left, one end of the first conveying pipe penetrates through the top of the outer wall of the distillation retort and is communicated with the interior of the distillation retort, a mounting groove is formed in the outer wall of the distillation retort, a heating wire is fixed in the mounting groove and spirally surrounds the distillation retort, and a water outlet pipe is fixedly connected to the center of the bottom of the distillation retort and is communicated with the interior of the distillation retort; the top of the distillation tank is fixedly connected with a top cover, the inner bottom wall of the cooling tank is fixedly connected with a liquid accumulation cylinder, the center of the top of the liquid accumulation cylinder is fixedly connected with a cooling cylinder, and the bottom of the cooling cylinder is communicated with the top of the liquid accumulation cylinder.

The application relates to a distillation device for germanium content analysis and relates to the technical field of distillation devices. The application discloses a distillation device for germanium content analysis, which comprises a condensation tank, a colorimetric tube, a condensation straight pipe, a condensation pipe rack, a connecting pipe, a distillation flask and a heating table. In the application, the liquid to be measured in the distillation flask is heated to generate gas, the generated gas passes through the connecting pipe, a connecting silica gel pipe and the condensation straight pipe in sequence, is discharged into the colorimetric tube through a steam pipe sleeve, is rapidly condensed into liquid and is collected into the colorimetric tube. Meanwhile, the steam pipe sleeve is arranged at the bottom of the condensation straight pipe, the steam pipe sleeve with sawteeth can make the gas flow uniformly out of the sawtooth gaps, can avoid the sample pollution caused by the backflow of the gas flow, can effectively prevent the situation that the glass pipe is lifted and the distillation flask is turned over due to the large gas pressure, and the accuracy of the sample analysis result is ensured.

The utility model discloses a kind of tiltable double-layer wine retort components, including bottom pan part, top cover part, first retort grate and second retort grate, the bottom pan part bottom is equipped with heating part, and top cover part top is connected with steam pipe part, the second retort grate and first retort grate are sequentially assembled between top cover part and bottom pan part from top to bottom;The bottom pan part bottom is provided with support, the support bottom is equipped with moving assembly, and support surface is supported with outer support frame, and outer support frame cover is equipped in top cover part and bottom pan part outside, and outer support frame top is equipped with the jacking assembly corresponding with top cover part, the bottom pan part, first retort grate and second retort grate side are provided with corresponding lifting assembly.The utility model is convenient to assist jacking overturning and dumping according to needs when assembling and using, and it is beneficial to improve operation efficiency.

The present application relates to the technical field of chemical experiment equipment, in particular to a rotary evaporator, and more particularly to a rotary evaporator capable of accurately measuring the amount of concentrated liquid and / or distillate. The rotary evaporator capable of accurately measuring the amount of concentrated liquid and / or distillate improves the spherical collecting bottle into a metering tube with upper and lower valves and scale lines, or connects a metering tube with upper and lower valves and scale lines at the opening of the bottom of the spherical collecting bottle; a spherical bulge capable of accurate measurement is arranged between the lower part of the metering tube and the two valves to meet the need of expansion; the opening of the bottom of the working position of the spherical distillation bottle is connected with a quantitative tube with upper and lower valves and scale lines, and a spherical bulge capable of accurate measurement is arranged between the lower part of the quantitative tube and the two valves to meet the need of expansion; the distillation bottle and / or the collecting bottle can be not disassembled, and accurate measurement, quantitative control and one-time liquid discharge of the amount of concentrated liquid and / or distillate are realized. The improved rotary evaporator is simple in structure, convenient to process, high in reliability and low in cost.

The utility model relates to the technical field of chemical reaction equipment, and discloses paeonol anti-oxidation liquid purification equipment which comprises a filter box arranged on a table top, and a material crushing structure arranged at the top of the filter box; the filtering structure comprises a filtering part and a stirring part, the filtering part comprises a fixed plate fixedly mounted in the filtering box, a first filtrate pore plate is fixedly mounted in the fixed plate, two groups of filtering boxes are fixedly mounted at the bottom of the inner side of the filtering box, the stirring part comprises a second rotating shaft, and the second rotating shaft is rotationally mounted on the inner wall of one side of the filtering box. A fixed sleeve is fixedly mounted on the outer wall of the second rotating shaft; the distillation retort is arranged outside the filter box; according to the ultrasonic extraction instrument, the purpose of solid-liquid separation of mixed liquid is achieved, the reaction rate of paeonol is increased, the use convenience of the device is improved, the filtering effect of the mixed liquid is improved, petal residues attached to filtrate holes are stirred, and the filtering efficiency of the filtrate holes is improved.

The utility model relates to the technical field of distillation devices, and aims to solve the problem that in the prior art, a distillation device capable of generating a magnetic field structure is lacked, so that whether a magnetic field influences raw wine in a distillation link is inconvenient to verify. The utility model provides a magnetic field distillation device. The magnetic field distillation device comprises an open retort body and a magnetic field assembly, the magnetic field assembly comprises a plurality of first magnet coamings and second magnet core plates; the first magnet coaming is arranged on the outer side wall of the opened steamer body in a surrounding manner; a chamber is arranged in the opened retort body; the second magnet core plate is embedded in the cavity; the magnetic field distillation device provided by the utility model can form a comprehensive and integral magnetic field for the opened retort body so as to ensure that steam, alcohol and fragrant substances in the opened retort body are all located in a magnetic field environment in the distillation process, and further, raw wine is conveniently taken in the later period to verify whether the distillation stage is influenced by the magnetic field or not.