99 results about "Retort" patented technology

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 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 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 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 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 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 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 belongs to the technical field of methanol-toluene mixture distillation separation, and particularly relates to a methanol-toluene mixture distillation device which comprises a distillation retort, a flask is arranged at the bottom of the distillation retort, a partition plate is fixedly connected between the outer circumferential surface of the upper end of the flask and the inner wall of the distillation retort, a threaded heating pipe is arranged between the inner circumferential surface of the distillation retort and the outer circumferential surface of the flask, and a fixed cylinder is fixedly connected to the outer side wall of the top end of the flask; a conical condensation flow guide plate is fixedly connected to a top end opening of the fixing cylinder, a plurality of air holes are formed in the conical condensation flow guide plate, and two first fixing frames are fixedly connected to one side of the top end of the distillation retort; when the methanol and toluene mixed liquid is distilled and separated, the methanol and toluene mixed liquid distillation device can ensure full condensation of steam and effective collection of liquid, so that the recovery rate of the steam is improved, the waste of energy is reduced, the maximum utilization of resources is realized, and meanwhile, the environmental pollution is avoided.

The utility model discloses distillation equipment for measuring free ammonia and fixed ammonia, and relates to the field of distillation measurement. Distillation equipment for measuring free ammonia and fixed ammonia comprises a water bath electric pot, a distillation flask, a communicating pipe, a condensation pipe, a conical flask and an iron stand, the distillation flask and the condensation pipe are installed on a supporting rod on the iron stand through fixing clamps, and the distillation flask is located in the water bath electric pot; in the whole measuring process of free ammonia and fixed ammonia, through the arrangement of the sealing heat preservation cover, the rapid diffusion of water vapor generated by heated water can be effectively inhibited, and heat is more intensively acted on the distillation flask, so that the heat loss is reduced, the temperature rise of liquid in the distillation flask is quicker, and the boiling is quicker, thereby accelerating the distillation speed; compared with a non-sealed heat preservation device, the single distillation time can be greatly shortened, the overall detection efficiency can be remarkably improved when free ammonia and fixed ammonia are measured, and an experimenter can complete detection of multiple samples within shorter time.

The utility model relates to the technical field of distillation, in particular to an essence production distillation device capable of automatically controlling water quantity, which comprises a distillation retort, a first conveying pipe, a cooling tank, a layering tank and a support, a material groove seat is connected inside the distillation retort, the upper end of the distillation retort is connected with the first conveying pipe, one end of the first conveying pipe is connected with the cooling tank, and the other end of the first conveying pipe is connected with the layering tank. A cooling pipe is connected to the interior of the cooling tank, a second conveying pipe is connected to the lower end of the cooling tank, a layering tank is connected to one end of the second conveying pipe, and a support is connected to the exteriors of the distillation tank, the cooling tank and the layering tank.

The invention relates to the technical field of chemistry and chemical engineering experiments, in particular to an environment-friendly organic comprehensive experiment platform which comprises an efficient distillation assembly, a column chromatography assembly, an extraction assembly, a decompression filtering assembly and a comprehensive control assembly. The efficient distillation assembly comprises a distillation bottle, a distillation head, a dustproof assembly, a flange clamp, a primary condenser, a secondary condenser, a liquid separator and a liquid receiving bottle, the column chromatography assembly comprises a solvent storage bottle, a chromatographic column and a leacheate receiving bottle; the extraction assembly comprises an extraction bottle, a sealing cover, a liquid extraction pipe and a filter barrel; the decompression filtering assembly comprises a solvent receiving bottle, a decompression funnel, a sealing cover and a pressure balancer; the comprehensive control assembly comprises a hot bathing pool, a cold bathing pool, a cooling liquid conveying pump, a solvent conveying pump, a circulating air pump, an air pressure adjusting pump, air pressure sensors A and B, stop valves A and B, a liquid level meter and a central controller. The method has important significance for improving the working environment of a laboratory and promoting the early realization of the dual-carbon target in China.

The utility model discloses distillation equipment capable of removing peculiar smell and used for producing liquid products. The distillation equipment comprises a distillation retort and a valve, a heating assembly is installed on the outer side of the distillation retort, a heating column is installed in the heating assembly, supporting legs are installed at the bottom end of the heating assembly, a wall scraping structure is arranged in the distillation retort, a filtering structure is arranged on one side of the top end of the distillation retort, an air outlet pipe is installed at the top end of the distillation retort, and a storage tank is installed on one side of the distillation retort. A cooling water tank is installed at the top end of the storage tank, and an exchange pipe is installed in the cooling water tank. By arranging the filtering structure, product liquid can be filtered when the filter screen is used, impurities in the product liquid are reduced, residual impurities are reduced when the product liquid is distilled, the rotating plate is driven by the driving motor to rotate, so that the impurities on the surface of the filter screen are scraped, and the product liquid is distilled. Impurities are prevented from accumulating on the surface of the filter screen to influence the filtering effect.

A thermal process system includes a retort assembly that includes a retort chamber, a heating assembly configured to heat the retort chamber, a vessel housing, a process gas inlet, and a sealing gas inlet. The retort assembly is configured to substantially contain one or more process gases in the retort chamber during a thermal process. The vessel housing is positioned around the retort chamber and configured to maintain a pressure or vacuum within the retort chamber. The process gas inlet is configured to receive the one or more process gases into the retort assembly. The sealing gas inlet is configured to receive a sealing gas into the vessel housing. The thermal process system may further include a leak gas detector configured to detect a presence of a leak gas, in which the leak gas includes a gas that is not the one or more process gases in the retort chamber.

The distillation equipment comprises a bottom pot and a retort groove formed in the peripheral side of the bottom pot, and further comprises a first arc plate, a second arc plate, a third arc plate and a fourth arc plate which are rotationally connected in sequence, and the end, away from the second arc plate, of the first arc plate is detachably connected with the end, away from the third arc plate, of the fourth arc plate through a buckle assembly; and the first arc plate, the second arc plate, the third arc plate and the fourth arc plate are encircled to form a circular ring matched with the retort tank. By arranging a first arc plate, a second arc plate, a third arc plate, a fourth arc plate and a buckle assembly, the circular ring can be conveniently disassembled and assembled, when the unfolded circular ring is installed in a retort tank, fermented grains can be prevented from falling into the retort tank, meanwhile, manual cleaning is facilitated, risks brought to the quality of base liquor are avoided, and when the circular ring is not needed, the circular ring can be folded and taken out of the retort tank conveniently, so that the circular ring is convenient to disassemble and assemble. And replacement or storage is convenient.

The utility model discloses an acetonitrile extraction waste liquid recovery device which comprises two frame bodies, a box body, a distillation retort, a condenser and a liquid collection tank, the box body is fixedly connected to the top of one frame body, the liquid collection tank is placed at the top of the other frame body, a heating device is arranged in the distillation retort, and the condenser is arranged in the distillation retort. A stirring assembly for stirring liquid is arranged in the distillation retort, a sealing assembly for closing the box body is arranged at the top of the box body, vertical guide grooves are formed in the inner walls of the two sides of the box body, and filter boxes moving in the groove directions of the guide grooves are arranged in the box body. According to the acetonitrile extraction waste liquid purification device, large impurities in waste liquid can be filtered, and harmful substances in the waste liquid can be adsorbed and purified, so that the content of the harmful substances is reduced, the influence on human health and the environment is reduced, the purification effect of the acetonitrile extraction waste liquid is improved, and the production cost is reduced. In addition, the filter box can be conveniently taken out of the box body to be cleaned or the activated carbon bag can be conveniently replaced.

The invention provides a system and method for detecting cyanide in water, and the system comprises a distillation device which comprises a distillation flask and a collection flask disposed at the outlet end of the distillation flask; the transfer device comprises a transfer assembly I arranged at the inlet end of the distillation bottle and a transfer assembly II arranged at the outlet end of the collection bottle; and the color developing device is connected with the transfer assembly II. According to the system and method for detecting cyanide in water, the whole process of sample injection, distillation, distillate transfer, color development, waste liquid discharge and cleaning is free of uncovering operation, the whole process is free of manual contact, full-automatic operation is achieved, the detection efficiency and operation safety are remarkably improved, and the risk that operators make contact with cyanide is effectively avoided.

The utility model belongs to the technical field of pharmaceutical chemicals, and discloses a distillation device which comprises a distillation retort, a feeding port is formed in the top of the distillation retort, a discharging port is formed in the bottom of the distillation retort, a steam outlet is formed in one side of the distillation retort, and a bent pipe is fixedly installed on one side of the distillation retort. The bent pipe comprises upper pipes and lower pipes which are arranged in a staggered manner, the upper pipes and the lower pipes are communicated through vertical pipes to form a complete bent pipe passage, a condensation pipe is arranged on one side of the distillation retort, the condensation pipe sequentially penetrates through the lower pipes of the bent pipe, collection openings are respectively formed in the lower pipes of the bent pipe, a rotating shaft rotationally mounted in the distillation retort is arranged in the distillation retort, and the upper pipes and the lower pipes of the distillation retort are communicated through vertical pipes. A plurality of transverse shafts are fixedly installed in the frames, a plurality of lantern rings are rotationally installed on the transverse shafts respectively, and vertical strips are fixedly installed on one sides of the lantern rings respectively. By means of the device, the liquid level area is enlarged, and liquid medicine can be distilled rapidly and conveniently.

The invention belongs to the technical field of polymer adhesives, and particularly relates to a double-component cooking-resistant laminating adhesive and a preparation method thereof.The double-component cooking-resistant laminating adhesive is prepared from, by weight, a component A and a component B, the component A comprises, by weight, 20-60 parts of block polyester polyol; 10 to 50 parts of polyester polyol II; 1-10 parts of a chain extender; 20-60 parts of a curing agent I; 0.1 to 2 parts of a coupling agent; 30 to 100 parts of a solvent; and the component B comprises 10-40 parts of a curing agent II. According to the double-component cooking-resistant laminating adhesive provided by the invention, by introducing a unique molecular structure design, the cooking resistance, medium resistance and other properties are remarkably improved.

The utility model discloses a distillation waste gas collecting device which comprises a distillation retort, one side of the distillation retort is fixedly connected with a feeding pipe, the upper end of the distillation retort is fixedly connected with a gas outlet pipe, the gas outlet pipe is communicated with a condensation shell, a separation assembly is arranged in the condensation shell, the separation assembly comprises a plurality of groups of heat conducting plates and cooling pipes, and the cooling pipes are communicated with the heat conducting plates. The multiple sets of heat conduction plates are fixedly connected to the inner wall of the condensation shell and are arranged in a staggered mode, the cooling pipe is fixedly connected to the heat conduction plates, a circulation assembly is arranged on the condensation shell, a liquid outlet pipe is fixedly connected to the lower end of the condensation shell, and a tail gas pipe is fixedly connected to one side of the condensation shell. A collecting assembly is arranged on one side of the tail gas pipe, and the tail gas pipe is provided with a flow limiting assembly. The waste gas treatment device has the advantage that organic matters in waste gas are liquefied, extracted and recycled through the separation assembly and the circulation assembly.