11results about How to "Low boiling point" patented technology

The utility model discloses a kind of camellia seed oil refining front water removal and impurity removal device, it is related to camellia seed oil processing technical field, including support column, support plate and impurity removal box, further include: feed pipe, circular filter plate, impurity collection mechanism is set on impurity removal box, water collection mechanism is set on support plate, stirring mechanism is set on impurity removal box, cleaning plate, pressure reduction mechanism is set on impurity removal box;Through the cooperation between impurity collection mechanism, stirring mechanism and cleaning plate, so that drive cleaning plate rotation while stirring, impurities on circular filter plate are swept by cleaning plate, and make the impurities swept down produce centrifugal force, so that impurities fall into impurity collection mechanism, play to prevent filter plate blockage, and facilitate cleaning;Through the cooperation between pressure reduction mechanism, water collection mechanism, stirring mechanism and conical electric heater, reduce the air pressure in box, thereby reduce the boiling point of water in box, accelerate water evaporation, improve separation efficiency.

The present application relates to the technical field of soft candy production, in particular to a vacuum low-temperature boiling process and equipment for heat-sensitive functional soft candy, comprising a supporting assembly, a heating assembly and a sealing assembly, wherein the supporting assembly comprises a bottom plate, a side plate, a top plate, a lifter, a lifting plate and a supporting plate; the vacuum low-temperature boiling process and equipment for heat-sensitive functional soft candy is characterized in that the sealing assembly adopts a "vacuum generator + sealing ring" structure, the vacuum degree in the heating box is quickly extracted to -0.06~‑0.09MPa, the boiling point of the material is reduced, low-temperature boiling at 60‑75℃ is realized, and the inactivation of heat-sensitive components such as probiotics and vitamins caused by high temperature is avoided; the angle adjusting assembly adopts a servo motor to drive a worm gear transmission, which drives the heating box to freely roll around the hinged shaft; when loading, the heating box can be rolled to an inclined state, which facilitates the pouring of the material; when discharging, the heating box is inclined by 30‑45°, and uniform discharging is realized in cooperation with the flow guide plate, thereby solving the problem of inconvenient loading and unloading of the traditional equipment.

This utility model discloses a multi-stage purification device for continuous production of phosphate esters, relating to the field of phosphate ester production technology. It includes a heat-insulated negative pressure evaporator, with multiple heating collection hoppers evenly distributed on the inner wall of the evaporator, the smaller ends of which face downwards. A servo drive motor is fixedly connected to the center of the bottom of the evaporator, and a central rotating shaft is rotatably mounted at the center of the evaporator, passing through the center of the multiple heating collection hoppers. By incorporating an alcohol-ester separation bowl and an annular filter cover, alcohols in the phosphate ester solution can be separated, preventing alcohol residue in the solution and improving the purity of the phosphate ester. Through continuous evaporation via the multi-stage heating collection hoppers, the purity of the phosphate ester is gradually increased, achieving continuous production and effectively solving the problems of high steam consumption and low efficiency in traditional single-stage evaporators.

The utility model provides a kind of pretreatment device for chlorosilane sample detection, it is related to chlorosilane sample content detection technical field, it includes: box, buckling piece, gas storage tank, pump body, vacuum pump and pressure gauge, box is hinged with switch door, and side wall surface is respectively provided with air inlet and air outlet;Buckling piece is used to switch door buckling in the opening of box;Gas storage tank is filled with inert gas inside;Air outlet is communicated with air inlet between gas storage tank side wall surface and air inlet and is provided with air inlet pipe;Pump body is between box and gas storage tank, for pumping the gas in gas storage tank into the inside of box;Vacuum pump is equipped with the air outlet pipe of communication between air outlet;Pressure gauge is located at the top of box, for real-time display the pressure value in the inside of box.The pretreatment device can avoid the problems of sample content loss, heating operation risk, and the influence of open system on the sample to be measured during the drying process.

The utility model provides a kind of vacuum distillation device for ammonia catalyst purification, comprising: distillation column, preheater being connected with the liquid inlet of distillation column by pipeline, condensing system being connected with the exhaust port of distillation column by pipeline, receiver being connected with the liquid outlet of condensing system by pipeline, cold trap tank being communicated with the gas outlet of the upper portion of receiver by pipeline, vacuum drying box being communicated with the top of cold trap tank by pipeline, and vacuum pump being communicated with the upper portion of cold trap tank by pipeline;Through the condensing system being connected with the exhaust port of distillation column, ammonia catalyst vapor generated by evaporation is effectively condensed into liquid, and is collected by receiver, cold trap tank being arranged at the gas outlet of receiver, further captures and condenses low-boiling-point component or small amount of ammonia catalyst vapor that is not completely condensed in condensing system, vacuum pump is arranged to make the whole system operate under reduced pressure, which is conducive to distillation at lower temperature, reduces the influence of high temperature on material, and improves the purification effect.

The utility model discloses a kind of vacuum drying ovens for targeted drug research and development, it is related to vacuum drying technical field, including vertical cabinet, graphite heating plate and object grid, the top of the vertical cabinet is fixedly installed with vacuum gauge by three-way valve, the cavity lower part of the vertical cabinet is provided with electrical control box, vacuum mechanism is installed in the inside of the electrical control box, column storehouse is upwards in the utility model, air in cavity interior is transported outside by the one-way valve of air outlet pipe, column storehouse is downwards, the air in the inside of vertical cabinet is extracted by suction pipe and its one-way valve, such reciprocating motion, gas in the cavity of vertical cabinet is continuously extracted outside, create higher vacuum environment, observe by vacuum gauge, after vertical cabinet inner cavity reaches set vacuum degree, graphite heating plate is controlled and power-on start, heat is transferred to targeted drug. Because ambient pressure is low at this time, solvent boiling point in targeted drug is greatly reduced, only lower temperature can be endothermic evaporation, improve drying efficiency.

The utility model provides a kind of coal tar heating dewatering device, belong to coal tar processing technical field, comprising: oil storage tank, heating coil is equipped in oil storage tank inside;Steam inlet of heating coil is connected with semi coke furnace waste heat boiler by steam pipeline, and steam outlet of heating coil is connected with condensate storage tank by backwater pipe, and exhaust port on condensate storage tank is connected with semi coke furnace waste heat boiler;The top of oil storage tank is equipped with feed inlet, and the bottom of oil storage tank is equipped with oil outlet;The top of oil storage tank side is also equipped with breather valve, and the outlet of breather valve is connected with the inlet of induced draft fan by full seal pipeline, and the outlet of induced draft fan is connected with carbonization furnace by pipeline.The coal tar heating dewatering device can improve coal tar heating efficiency and dewatering efficiency, reduce energy consumption, and has good dewatering effect, reduces operating cost, to solve the problem of higher dewatering cost caused by higher energy consumption, lower thermal efficiency and dewatering efficiency, slower dewatering and longer time consumption of existing dewatering equipment.

The negative pressure tower ethanol purification system comprises a negative pressure tower, a rectifying tower, a reflux tank and a vacuum unit, one end of a gas phase outlet pipe at the top of the negative pressure tower is connected with the rectifying tower, one end of a gas phase outlet pipe at the top of the rectifying tower is connected with a condenser through a condensation pipe, and one end of a discharge pipe of the condenser is connected with the reflux tank; one end of the return tank discharging pipe is connected with a finished product collecting tank. Under the action of negative pressure, an ethanol material mixed with isopropanol and 2-pentanone is introduced into the negative pressure tower, the isopropanol and ethanol are gasified and enter the rectifying tower for rectification, the 2-pentanone flows downwards and is discharged through the first liquid phase discharge pipe, the ethanol is gasified and is condensed through the condenser and then enters the reflux tank, and the isopropanol flows downwards and is discharged through the second liquid phase discharge pipe. In a negative pressure environment, light components and heavy components can be more quickly enriched towards the tower top or the tower bottom, the separation time is shortened, meanwhile, the system pressure is reduced, the boiling point of materials can be obviously reduced, and heat required by separation can be reduced. And through cooperation of the negative pressure tower and the rectifying tower, the ethanol purification effect and efficiency can be improved.

This utility model relates to the field of royal jelly emulsification and compression technology, and discloses a high-efficiency emulsification and concentration device for royal jelly, including a concentration tank. A right connecting plate is connected to the upper half of the surface of the concentration tank, and a right emulsification tank is connected to one side of the top of the connecting plate. A static mixer is connected to the top of the emulsification tank, and a first motor is connected to the central shaft at the top of the emulsification tank. This utility model, through the static mixer, in conjunction with the first motor driving the stirring rod and multiple sets of shearing blades, can fully stir and shear the material, achieving efficient mixing and emulsification and improving product quality. A complex stirring mode is achieved through a rotating component. A second motor drives the main shaft to rotate the cross stirring blades and the bottom stirring blades. At the same time, the rotating gear on the main shaft drives four driven gears and the secondary shaft to rotate, so that the conical stirring blades also participate in the stirring. Multi-directional and multi-layer stirring makes the material more uniformly mixed during the concentration process, improving the concentration efficiency and quality.

The application discloses a bleaching device and bleaching method for concentrated nitric acid production and belongs to the technical field of concentrated nitric acid production.The bleaching device comprises a nitric acid concentration tower, a magnesium nitrate heater, a concentrated nitric acid condenser, a gas-liquid separator and a bleaching tower, the nitric acid concentration tower is connected with the concentrated nitric acid condenser and the magnesium nitrate heater respectively, the concentrated nitric acid condenser is connected with the gas-liquid separator, and the gas-liquid separator is connected with the bleaching tower.The application reduces system resistance and improves system negative pressure stability;the empty tower speed of the bleaching tower is increased, one bleaching tower can be used by multiple sub-systems, the process flow is shortened, the investment and maintenance cost are reduced, the nitrate content in the dilute magnesium nitrate solution is simultaneously reduced to below 0.05%, the corrosion rate of the dilute magnesium nitrate heater is reduced, and the service life is prolonged.

This invention discloses a VOCs recovery and treatment device and method for a color-coated steel sheet production line, relating to the field of waste gas treatment technology in color-coated steel sheet production. The VOCs recovery and treatment device for the color-coated steel sheet production line includes a shell, within which an adsorption assembly is rotatably installed. A second partition is also provided within the shell, and a first partition is symmetrically installed within the shell. The first and second partitions divide the internal space of the shell into an adsorption zone, a desorption zone, and a cooling zone. Activated carbon plates periodically circulate within the adsorption, desorption, and cooling zones, achieving automated circulation of the entire adsorption, desorption, and cooling process. Compared to traditional fixed-bed systems that require shutdown for regeneration, this significantly improves system throughput efficiency. The arrangement of the first and second partitions, combined with the first and second arc-shaped plates, creates strict temperature zone separation, ensuring that ambient temperature adsorption in the adsorption zone, high-temperature desorption in the desorption zone, and cryogenic regeneration in the cooling zone do not interfere with each other, avoiding cross-heat loss and guaranteeing the processing efficiency of each stage.