48results about How to "Lower evaporation temperature" patented technology

The invention discloses an aromatic amine compound and application thereof, and belongs to the technical field of organic electroluminescent materials. The structure of the aromatic amine compound is as shown in a general formula (1): # imgabs0 #, and the aromatic amine compound has excellent hole mobility and exciton blocking capability under high current density. And the effects of improving the device efficiency and prolonging the service life are displayed.

The invention belongs to the technical field of waste gas condensation, and particularly relates to a distributed condensation system and process which comprises a gas supply unit, a cooling unit, a heating unit, a backflow unit and a nitrogen supply unit. The gas supply unit is used for providing waste gas; the cooling unit is used for cooling and condensing the waste gas provided by the gas supply unit; the heating unit is used for heating the non-condensable gas discharged by the cooling unit; the reflux unit is used for collecting condensate in the cooling unit; the nitrogen supply unit is used for absorbing cold energy of the heating unit through nitrogen provided by the nitrogen supply unit when the heating unit is used for heating, and is used for absorbing heat of the cooling unit through liquid nitrogen provided by the nitrogen supply unit when the cooling unit is used for cooling; the air supply unit comprises a storage kettle and a breather valve, and the breather valve is arranged at the output end of the storage kettle; through cooperation of the structure, targeted treatment of different components in waste gas is achieved, the treatment risk is reduced, meanwhile, non-condensable gas in the condensation cavity can be directly treated, and the risk of liquid accumulation is prevented.

The invention relates to a machine room refrigerating system and a refrigerating method. A water collecting tank is communicated with a water inlet of a water-fluorine heat exchanger through a circulating water pump, and a water outlet of the water-fluorine heat exchanger is communicated with a water inlet of a rectangular sprayer through a spraying water pump; refrigerant between the indoor equipment and the outdoor equipment circulates, an inlet of the water-fluorine heat exchanger is communicated with an exhaust port of the compressor, an outlet of the water-fluorine heat exchanger is communicated with an inlet of the dry cooler, and an outlet of the dry cooler is communicated with an inlet of the evaporator through a fluorine pump and an electronic expansion valve. According to the technical scheme, besides the dry cooler, the water-fluorine heat exchanger and the four air-water heat exchangers are further installed in the outdoor machine case, the water-fluorine heat exchanger can firstly reduce the temperature of a refrigerant, then the temperature of the refrigerant is further reduced through the dry cooler, and meanwhile the air-water heat exchangers are further reduced through the air-water heat exchangers. The spraying assembly can cool the heat transferred to water by the water-fluorine heat exchanger through the four air-water heat exchangers. Therefore, the refrigerant evaporation temperature of the machine room can be further reduced, and the cooling efficiency is improved.

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 invention provides fuel coal water slurry and a preparation method thereof. The fuel coal water slurry comprises pulverized coal, water, an additive and a carbon-based nano material modifier, the additive comprises a dispersant and a stabilizer, the carbon-based nano material modifier has a tubular structure or a layered structure, and the average pipe diameter or interlayer spacing of the carbon-based nano material modifier is smaller than the average pore diameter of the pulverized coal. Compared with fuel coal water slurry not containing the carbon-based nano material modifier, the coal water slurry can reduce the combustion temperature, inhibit mineral substance pyrolysis and generation of nitrogen oxides and carbon monoxide, thereby reducing the heat loss of coal combustion. The carbon-based nano-material modifier has a tubular structure or a layered structure, and compared with other ranges, the average pipe diameter or interlayer spacing of the carbon-based nano-material modifier is limited to be smaller than the average pore diameter of the pulverized coal, so that water can leave a coal particle pore structure and enter the carbon-based nano-material modifier, the volatilization temperature of the water in the combustion process is reduced, and the combustion efficiency is improved. Therefore, the calorific value of the fuel coal water slurry is improved.

The low-noise freezer adopting the R290 working medium comprises a compressor, an evaporator, a condenser and a storage device, the outlet end of the storage device is connected with the inlet end of the compressor through a pipeline, the outlet end of the compressor is connected with the inlet end of the condenser through a pipeline, and the outlet end of the condenser is connected with the inlet end of the evaporator through a capillary tube. The outlet end of the evaporator is connected with the inlet end of the reservoir through a pipeline; wherein the compressor, the evaporator, the condenser and the storage device form a freezer circulating refrigerating system, and a refrigerant circularly conveyed in the freezer circulating refrigerating system is an R290 working medium. In the using process of the low-noise freezer, the cooler and the evaporator which are of a large-area structure are adopted, and the compressor with the large cooling capacity is adopted, so that the heat exchange effect of a circulating refrigerating system of the freezer can be enhanced, and food can be better stored.

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 present invention relates to the technical field of refrigeration cycle, and specifically to a refrigeration system and circulation method for realizing low-temperature refrigeration, wherein the refrigeration system comprises a high-temperature cycle system and a low-temperature cycle system, wherein the high-temperature cycle system comprises a high-temperature low-pressure compressor, a high-temperature high-pressure compressor, a high-temperature condenser, a high-temperature intermediate cooler, a high-temperature low-pressure economizer and a condensing evaporator connected in series in sequence, wherein the high-temperature intermediate cooler is connected to the pipeline between the high-temperature low-pressure compressor and the high-temperature high-pressure compressor through a pipeline, and the high-temperature low-pressure economizer is connected to the high-temperature low-pressure compressor through a pipeline; and the low-temperature cycle system comprises an evaporator, a regenerator, a low-temperature low-pressure compressor, a low-temperature high-pressure compressor, a condensing evaporator and a liquid storage device connected in series, wherein the outlet of the liquid storage device is connected to the regenerator, and the regenerator is connected to the evaporator through a pipeline, so that the refrigerant circulates and refrigerates in a subcritical state, thereby improving the refrigeration efficiency.

The invention provides a thermal management system and method for automobile integrated processing and an automobile, and the system comprises a refrigeration circulation loop which is sequentially provided with a compressor and a refrigerator; a first heat exchanger is arranged on the first heat exchange circulation loop, and the first heat exchange circulation loop passes through the refrigerator and exchanges heat with the refrigeration circulation loop at the position of the refrigerator; wherein the refrigeration circulation loop is arranged in a front cabin of the automobile, the first heat exchange circulation loop is arranged in a passenger compartment of the automobile, and the technical scheme of the invention at least has the following beneficial effects: the refrigeration circulation loop is arranged in the front cabin, and then the first heat exchange circulation loop is arranged to exchange heat with the refrigeration circulation loop; the first heat exchange circulation loop is arranged in the passenger compartment, the passenger compartment is cooled through the first heat exchange circulation loop, the overall structure of the refrigeration circulation loop is shortened, a refrigerant does not need to flow to the passenger compartment and only circulates in the front compartment, and leakage points and system arrangement requirements are reduced.

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 invention provides an organic compound taking an anthrone-like derivative as a core, a preparation method and application of the organic compound, and application of an organic electroluminescent device, and relates to the field of semiconductors. Due to the pi-pi conjugation effect of the organic compound, the organic compound has very strong electron transmission capability and high electron transmission rate, so that the initial voltage of a device can be reduced, and the efficiency of the organic electroluminescent device can be improved; the group rigidity in the organic compound is relatively strong, and the anthrone group where Z is located increases the asymmetry of molecules, so that the molecules of the organic compound are not easy to crystallize and aggregate, and the organic compound has good film-forming property, high glass transition temperature and thermal stability, and therefore, when the organic compound is applied to an OLED device, the film layer stability can be maintained, and the organic compound can be applied to the OLED device. And the service life of the OLED device is prolonged.

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 relates to the technical field of zinc oxide preparation, and discloses a method for rapidly producing zinc oxide through microwave heating, which comprises the following steps: pretreating zinc-containing metallurgical waste slag, and crushing the zinc-containing metallurgical waste slag until the particle size is less than 50 microns; placing the crushed metallurgical waste residues in a microwave reactor, and adding a proper amount of fluxing agent to promote volatilization of zinc; heating is conducted within the microwave power range of 500 W to 2500 W, the temperature is controlled to range from 600 DEG C to 1100 DEG C, and zinc elements in the metallurgical waste residues are evaporated to form zinc steam; keeping the oxygen concentration not lower than 20% in the reactor, and ensuring that the zinc steam fully reacts with oxygen to generate zinc oxide; and cooling the zinc oxide steam generated by the reaction step by step by using a multi-stage condensation system. Rapid and uniform heating is realized through a microwave heating technology, the reaction time can be remarkably shortened, and the volatilization temperature of zinc is effectively reduced, so that the energy consumption is reduced, and the generation efficiency of zinc oxide is improved.

The present invention belongs to the field of semiconductor technology, and specifically relates to an organic compound with 1,3,5-triazine-2,4,6-trione as the core and its application. The organic compound provided by the present invention contains rigid 1,3,5-triazine-2,4,6-trione and benzo five-membered heterocyclic group in spatial structure, and the three substituent groups on the 1,3,5-triazine-2,4,6-trione parent nucleus are cross-spaced to avoid free rotation of the groups, so that the organic compound of the present invention has a higher density and a higher refractive index. The organic compound of the present invention can meet the requirements of the light extraction layer for the thermal stability, film crystallinity and light transmission of the material, and the rigid 1,3,5-triazine-2,4,6-trione and benzo five-membered heterocyclic group improve the thermal stability of the material; high T g Temperature ensures that the material does not crystallize in the thin film state. The compound of the present invention has good application effect and industrialization prospect in OLED light-emitting devices. #imgabs0#

The invention discloses a novel triarylamine compound and an organic electroluminescent device comprising the compound, by modifying the 9,9-position of fluorene, and not modifying other positions, ensuring good hole transport properties and suitable HOMO / LUMO energy levels of the material. In the connected diarylamine, one of the aryl groups is 4,4-di-tert-butylbiphenyl, and the other is an aryl structure of non-4,4-di-tert-butylbiphenyl, which can fine-tune the mobility of holes in different directions of molecular stacking in three dimensions, so that the lateral current can be reduced while ensuring the mobility. At the same time, the introduction of tert-butyl groups can suppress the aggregation of materials and reduce the evaporation temperature, and improve the efficiency and life of the device.

A constant temperature and humidity air conditioning unit with a rapid dehumidification structure and a working method thereof, belonging to the technical field of air conditioning, comprises a compressor, a refrigeration device structure, a throttling device, an evaporator, an indoor air blower, a refrigerant passage, and a diversion tee; the refrigerant passage comprises a refrigerant passage A, a refrigerant passage B, a refrigerant passage C, a refrigerant passage D, and a refrigerant passage E; the evaporator comprises an upper evaporator and a lower evaporator; a refrigerant connecting pipe is arranged at the outlet end of the evaporator, and a check valve is arranged in the middle of the refrigerant connecting pipe; the throttling device comprises an electronic expansion valve A and an electronic expansion valve B; a solenoid valve A is arranged on the refrigerant passage D from the diversion tee to the electronic expansion valve A, and a solenoid valve B is arranged on the refrigerant passage E from the diversion tee to the electronic expansion valve B. The beneficial effects of the present invention are: simple structure, good dehumidification effect, no ice and frost, effective prevention of ice and frost caused by too low evaporation temperature, and meeting the requirements of rapid dehumidification.

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.

The invention relates to an aromatic amine compound and an organic electroluminescent device using the aromatic amine compound, and belongs to the technical field of semiconductor materials, the aromatic amine compound is shown as a general formula (1): # imgabs0 #, and the aromatic amine compound is applied to a light-emitting auxiliary layer of the organic electroluminescent device. The aromatic amine compound provided by the invention has excellent anti-electron characteristic, and when the aromatic amine compound provided by the invention is used for preparing a light-emitting auxiliary layer material of an organic electroluminescent device, the service life prolonging effect is very obvious.

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 invention discloses a sludge filter-pressing dehydration method and a double-diaphragm filter-pressing system. The method comprises the following steps: forming mixed sludge; conveying the mixed sludge into a filter pressing chamber; hot water at a preset temperature in the hot water tank is conveyed into a filter pressing chamber of the double-diaphragm filter press through the circulating hot water supply structure, so that the hot water exchanges heat with mixed sludge in the filter pressing chamber, the squeezing structure is controlled to squeeze a diaphragm chamber of the double-diaphragm filter press, the diaphragm chamber squeezes the mixed sludge in the filter pressing chamber, and the mixed sludge in the filter pressing chamber is discharged; carrying out filter pressing on water in the mixed sludge to form a filter cake from the mixed sludge; mixed sludge in the feeding channel is purged through the reverse purging structure, the mixed sludge in the feeding channel is discharged, the reverse purging structure continues to purge the feeding channel, and compressed air is discharged from the space between the adjacent filter plates of the double-diaphragm filter press and takes out moisture in the filter pressing cavity. The method has the advantages that the water content of the mixed sludge is reduced, and the transportation and disposal cost is reduced.

The present invention relates to a resonance type organic compound and application thereof, belonging to the field of semiconductor technology. The present invention provides a compound having a structure represented by general formula (1) and general formula (2). The compound of the present invention has a narrow half-peak width, a high fluorescence quantum yield, a high glass transition temperature and molecular thermal stability, and suitable HOMO and LUMO energy levels. When the compound is used as a doping material in a light-emitting layer material of an OLED light-emitting device, the current efficiency of the device is significantly improved, and the purity of the light-emitting color and the life of the device are also greatly improved.

The invention discloses a wafer drying device, and relates to the technical field of wafer drying, and the wafer drying device comprises a base, the top of which is provided with a drying tank; the drying assembly is arranged at the top of the base, and the drying assembly communicates with the drying tank; the rotating shaft is rotationally arranged on the inner wall of the bottom of the drying tank; the second connecting plate is fixed at the top of the rotating shaft; the motor is fixed to the bottom of the drying tank, and an output shaft of the motor is fixed to the rotating shaft. In the using process, wafers can be stacked at certain intervals through staggered placement of the placement assemblies, then dehydration work of the wafers is achieved through cooperation with work of the motor, then drying of water stains on the surfaces of the wafers is achieved through work of the drying assembly, finally, gas in the drying tank is pumped out through cooperation of the sealing assembly and the drying assembly, and the drying efficiency is improved. The evaporation temperature of moisture on the wafer is reduced, and the drying effect of the wafer is ensured.

The invention relates to an aromatic amine compound and an organic electroluminescent device using the aromatic amine compound, and belongs to the technical field of semiconductor materials, the aromatic amine compound is shown as a general formula (1): # imgabs0 #, and the aromatic amine compound is applied to a light-emitting auxiliary layer of the organic electroluminescent device. The aromatic amine compound has excellent hole mobility and electron blocking characteristic, when the aromatic amine compound is used for preparing a light-emitting auxiliary layer material of an organic electroluminescent device, the efficiency of the device can be improved, the service life of the device can be prolonged at the same time, and particularly, the service life prolonging effect of the device is very remarkable.

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 invention relates to the technical field of photoelectric materials, and discloses a method for preparing a cerium oxide film or doped cerium through low-temperature deposition, which is characterized in that a cerium precursor material with the molecular formula of Ce (C10H17O2) 4, the molecular weight of 816 and the volatilization temperature of 150-320 DEG C is used. The cerium precursor material not only has relatively low volatilization temperature, stable volatilization performance and relatively low residual rate, but also has relatively high purity. By adopting the method disclosed by the invention, the process temperature in the vapor deposition process can be reduced, the utilization rate of the mixed precursor material is improved, and the raw material cost is saved. The method can be applied to the fields of preparation of rare earth doped laser fibers, high-K gate dielectric materials, YBCO superconducting substrates and the like, and the preparation effect is excellent.

The present application discloses a diazafluorene compound, which is based on diazafluorene and introduces an aryl or heteroaryl group into the basic structure, and has the following general formula I: wherein X1 to X8 are independently represented by N atoms or C atoms, and the number of nitrogen atoms is 2; the aryl or heteroaryl group is a substituted or unsubstituted aryl or heteroaryl group; the refractive index of the compound is greater than or equal to 1.85. The present application also discloses a material for an organic electroluminescent device and an organic electroluminescent device. The diazafluorene compound described in the present application has a high refractive index, thermal stability and film-forming properties, and can be used as a light extraction layer material, suitable for making OLED devices by evaporation.

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 invention discloses a low-noise generator set, and relates to the technical field of gasoline generators. The present invention comprises a gasoline tank, a gasoline generator is fixedly mounted on the bottom of the gasoline tank, a control box is fixedly mounted on one side of the gasoline generator, a cooling assembly is arranged on the gasoline generator, the cooling assembly is used to cool and dissipate heat for the gasoline generator, the cooling assembly comprises a plurality of evenly distributed heat pipe fixed copper sleeves arranged on the top of the gasoline generator, and a cold oil box and two heat exchange oil boxes are arranged on one side of the gasoline generator. The present invention can realize automatic cooling of the gasoline generator by arranging a cooling assembly and a heat collection assembly, and except for the regular replacement of cold oil by the infusion pump, other heat exchange processes are automatically carried out without power drive, which greatly reduces the noise generated during the cooling process, and at the same time, the cooling assembly and the heat collection assembly are both closely attached to the peripheral side of the gasoline generator, with a compact structure, small space occupation, and suitable for a variety of narrow spaces.

Organic electroluminescent materials and devices thereof are disclosed. The organic electroluminescent material is a metal complex containing a La ligand with a structure as shown in a formula 1A and an Lb ligand with a structure as shown in a formula 1B, and the metal complex can obtain a higher sublimation yield during sublimation and has a lower evaporation temperature. When the compound is applied to an electroluminescent device, better device performance can be provided, for example, the service life of the device is prolonged, and the half-peak width is narrower. The invention also discloses an electroluminescent device containing the metal complex and a compound composition containing the metal complex.

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.