16results about How to "Lower evaporation temperature" patented technology

The utility model relates to a polymer volatile matter removal and recovery device, which belongs to the technical field of separation and comprises a primary positive pressure evaporation unit, a secondary vacuum extraction unit and a volatile matter recovery unit, and the primary positive pressure evaporation unit comprises a rising film type preheating evaporator, a flash separation mechanism and a falling film evaporator. And the secondary vacuum extraction unit comprises a feed heater, a gas stripping tower and a gas stripping tower gas-liquid separation module. The volatile matter recovery unit comprises a volatile matter recovery tower, a gas-phase volatile matter recovery module, a high-purity elementary substance or solvent collection module, a heavy component impurity collection module and a volatile matter recovery and reboiling module. According to the utility model, the foaming efficiency and the mass transfer area in the evaporation process are enhanced, the content of volatile matters in a polymer can be reduced to be below 0.1 wt% through two-stage evaporation, the polymer is effectively prevented from being deteriorated at high temperature in the evaporation process, the device is suitable for devolatilization of a heat-sensitive polymer, and meanwhile, the removed monomer and solvent are recycled and reused.

The application relates to a benzocarbazole capping layer material and a preparation method, an organic electroluminescent device and a display device, and belongs to the technical field of organic luminescent materials. The structural general formula of the capping layer material is general formula 1: The organic EL element of the application uses an organic EL element material with high refractive index, good thin film stability and excellent durability as the material of the cap layer, so that the light extraction efficiency is greatly improved compared with the known organic EL element, and the technical effects of high efficiency and long service life are achieved.

The application belongs to the technical field of organic electroluminescence, and relates to an organic compound, an organic electroluminescent device using the same and an electronic device. The organic compound has a structure as shown in formula 1. When the organic compound is used in an organic electroluminescent device, the performance of the organic electroluminescent device can be significantly improved.

The application discloses a control method of an electronic expansion valve of an air conditioner, and the control method comprises the following steps: obtaining the indoor environment temperature of the air conditioner during the low-temperature heating process of the air conditioner or when the air conditioner enters the low-temperature heating process; and reducing the opening degree of the electronic expansion valve of the outdoor unit of the air conditioner according to the difference between the user-set temperature and the indoor environment temperature. The application further discloses a control device of the electronic expansion valve of the air conditioner, an air conditioner and a computer storage medium. According to the difference between the user-set temperature and the indoor environment temperature, the opening degree of the electronic expansion valve of the outdoor unit is reduced when the air conditioner is in the low-temperature heating process, so that the evaporation temperature of the outdoor unit is reduced, the heating capacity of the indoor unit is improved, the indoor temperature is raised faster, and the indoor heating effect is improved.

The invention discloses an organic compound taking adamantane as a core and an organic electroluminescent device containing the organic compound. The organic compound with adamantane as the core has a low visible light refractive index in the visible light field, is matched with a high-refractive-index material to form a low-high double-layer light extraction layer, and can effectively improve the light extraction efficiency of the organic electroluminescent device and greatly reduce the angle dependence after being applied to the organic electroluminescent device. Therefore, the luminous efficiency of the device is improved and the visual bias performance is optimized.

This invention discloses a spiro compound and its applications, belonging to the field of display technology. The chemical structural formula of the compound is as follows: ; wherein, Ar1 to Ar4 are each independently one of a substituted or unsubstituted C6-C60 aryl group or a substituted or unsubstituted C3-C30 heteroaryl group; Ar5, Ar6, and R are each independently one of a substituted or unsubstituted C6-C60 aryl group or a substituted or unsubstituted C3-C30 heteroaryl group; at least one of Z1 to Z3 is N, and the rest are CH; L is one of the following groups: , , ; R1 to R 10 Each of these compounds is independently one of hydrogen, halogen, cyano, nitro, C1-C8 alkyl, C1-C12 alkoxy, substituted or unsubstituted C6-C30 aryl, or substituted or unsubstituted C3-C30 heteroaryl. This compound exhibits excellent electron transport properties, which is beneficial for improving the voltage, efficiency, and lifetime of devices.

The present disclosure relates to an organic electroluminescence device and a display device. The organic electroluminescence device comprises a first electrode, a second electrode facing the first electrode, and a sandwich layer between the first electrode and the second electrode and comprising a light-emitting layer, the sandwich layer comprising a hole transport layer between the first electrode and the light-emitting layer, and a light-emitting auxiliary layer between the hole transport layer and the light-emitting layer, wherein the light-emitting auxiliary layer comprises a hole transport material with a segment of triplet spin density distribution and an alkyl part substituted by D. The present disclosure reduces molecular vibration by introducing deuterium on the segment of triplet spin density aggregation, thereby improving the stability of the material, thereby facilitating the improvement of the device life. In addition, the introduction of deuterated alkyl in the light-emitting auxiliary layer material reduces the voltage to a certain extent, and the introduction of alkyl also protects the original active site, reduces the degree of molecular aggregation, and also improves the device life to a certain extent.

The application discloses the technical field of low-temperature treatment of battery materials and relates to a gas treatment device for removing water content in lithium battery raw materials, aiming at solving the problems of high temperature and uneven heating in the prior art for treating water content in lithium battery raw materials. The device comprises a mounting bracket, a pneumatic conveying assembly, a liquid nitrogen storage tank and a heat pump. A rotating drum is arranged on the mounting bracket in a rotating mode. The rotating axis of the rotating drum is in a non-vertical direction. One end of the rotating drum is provided with a gas pocket. The gas pocket and the end of the rotating drum are in rotating sealing cooperation and can be connected with the inner cavity of the rotating drum. The material conveying end of the pneumatic conveying assembly, the gas supply end of the liquid nitrogen storage tank and the hot air outlet end of the heat pump are connected with the gas pocket through connecting pipes. The device is used for dehydrating and low-temperature treating the raw materials before superfine crushing of the lithium battery raw materials. The device can stably and effectively remove the water content in the materials and complete efficient refrigeration of the materials, which is favorable for avoiding the destruction of the structure of the raw materials and guaranteeing the quality of the final products.

The present application relates to a kind of acid leaching-vacuum distillation recovery gallium base waste gallium indium alloy method, belong to the technical field of high value recovery of waste resources.The method of the present application is that gallium base waste is treated by low concentration inorganic acid to obtain Ga-In-Zn alloy, then, by the method of vacuum distillation, Ga-In alloy with higher purity is obtained on the vacuum furnace condensing cover, while Sn is enriched in the crucible at the bottom of the furnace, which provides further technical support for the subsequent recovery of Sn.The product obtained by the present application has high recovery rate and high purity.The present application is simple to operate, efficient and has high comprehensive recovery rate, and provides a new way for efficient and clean treatment and recovery of gallium-based liquid metal waste.

The application discloses an aromatic amine organic compound and an organic electroluminescent device containing the same, and belongs to the technical field of semiconductor materials. The structure of the aromatic amine organic compound is shown in general formula (1). The aromatic amine organic compound has excellent hole mobility and exciton blocking capacity under high current density. When the aromatic amine organic compound is used to form a light-emitting auxiliary layer material of an organic electroluminescent device, the device efficiency is improved and the device life is prolonged.

This application provides a refrigeration system and refrigeration equipment. The refrigeration system includes: a compressor; a condenser, the inlet of which is connected to the compressor's discharge pipe; a refrigeration evaporator for cooling the freezer compartment; a cryogenic evaporator for cooling the cryogenic compartment; a first throttling device connected between the condenser outlet and the refrigeration evaporator inlet; a second throttling device connected between the condenser outlet and the cryogenic evaporator inlet; and an electronically controlled valve including a first valve, a second valve, and a third valve, wherein the first valve is connected to the refrigeration evaporator outlet, the second valve is connected to the cryogenic evaporator outlet, and the third valve is connected to the compressor's intake pipe. When the cryogenic compartment is cooled independently, the refrigeration evaporator can store some refrigerant, reducing the evaporation pressure and temperature within the evaporator, thus facilitating the achievement of lower temperatures. Consequently, the compressor's speed can be reduced, resulting in energy savings.

Disclosed are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex comprising a metal M and a ligand L having a structure of formula 1 a The metal complex has a lower evaporation temperature, which is conducive to reducing energy consumption in the device preparation process, and can be applied to an electroluminescent device as a luminescent material. When the metal complex is applied to an electroluminescent device, higher device efficiency and longer device lifetime can be achieved, and better device performance can be provided. An electroluminescent device comprising the metal complex and a compound composition comprising the metal complex are also disclosed.

The invention discloses a benzo pentacyclic compound and application thereof, and belongs to the technical field of display. The chemical structural formula of the compound is shown in the specification, wherein Ar, R1 to R6 are respectively and independently hydrogen, deuterium, halogen, cyano, nitro, alkyl of C1-C18, alkoxy of C1-C12, substituted or unsubstituted aryl of C6-C30 or substituted or unsubstituted heteroaryl of C3-C30, and R1 to R6 are respectively and independently selected from hydrogen, deuterium, halogen, cyano, nitro, alkyl of C1-C18, alkoxy of C1-C12, substituted or unsubstituted aryl of C6-C30 or substituted or unsubstituted heteroaryl of C3-C30; ar1 and Ar2 are respectively and independently a substituted or unsubstituted C6-C30 aryl group or a substituted or unsubstituted C3-C30 heteroaryl group; each of L1 to L3 independently represents a single bond, a substituted or unsubstituted C6-C60 arylene group, or a substituted or unsubstituted C3-C30 heteroarylene group; at least one of Z1 to Z3 is N, and the balance is CH; a is O, S, Se or CR7R8. The compound has excellent electron transmission performance, and is beneficial to improving the voltage, efficiency and service life of a device.

The clothes treatment equipment comprises a base assembly, a heat pump system, an auxiliary heating part and an air supply part, the base assembly is provided with an inner circulation drying channel and a fresh air flow channel, and air flow in the inner circulation drying channel can exchange heat with air flow in the fresh air flow channel; the heat pump system comprises an evaporator component, a condenser component and a compressor component which are arranged on the base assembly and form refrigerant circulation, the evaporator component and the condenser component are arranged in the inner circulation drying tunnel at intervals, and the auxiliary heating component is arranged on the base assembly, located in the inner circulation drying tunnel and used for heating the compressor component in the air flow direction in the inner circulation drying tunnel. The auxiliary heating component is located on the downstream side of the evaporator component. The air supply piece is used for driving external fresh air to flow along the extending path of the fresh air flow channel. According to the technical scheme, on the premise that efficient drying of the heat pump circulating system is guaranteed, it can be guaranteed that drying heat energy is kept balanced all the time.

The invention discloses a heat pump circulating system. The heat pump circulating system comprises an evaporator assembly, wherein the evaporator assembly comprises a first evaporator and a second evaporator which are connected in parallel; the compression component is provided with a first compression part and a second compression part, the first compression part is communicated with the first evaporator, and the second compression part is communicated with the second evaporator; the condenser assembly, the evaporator assembly, the compression part and the condenser assembly form a heat exchange loop, and the heat exchange loop comprises a first loop composed of the first evaporator, the first compression part and the condenser assembly and a second loop composed of the second evaporator, the second compression part and the condenser assembly. The invention further discloses clothes processing equipment applying the heat pump circulating system. According to the technical scheme, the load and the compression ratio of the compressor can be reduced at the low evaporation temperature and the high condensation temperature.

The utility model discloses a device of recycling DMF in waste water, through primary dehydration tower, secondary dehydration tower and partition wall rectifying column carry out multistage dehydration and rectification, compared with traditional conventional two tower three component separation structure, greatly reduce equipment cost and equipment's floor space, vacuum pump and DMF reation kettle cooperation, the most part dimethylamine in primary dehydration tower, secondary dehydration tower and partition wall rectifying column overhead distillate is sucked to DMF reation kettle with formic acid in partition wall rectifying column column kettle liquid dehydration reaction again obtains DMF, and transports to the partition wall rectifying column and carries out rectification, has reduced byproduct in waste gas and waste liquid, reduced the loss rate of DMF, improved the recovery rate of DMF.