462results about How to "Lower evaporation temperature" patented technology

The invention discloses an industrial application of an MVR (mechanical vapor recompression) crystallizing evaporator technology in the production of sodium sulfate and sodium chloride in Huaian, Jiangsu, and relates to an improvement of a salt and sodium sulfate coproduction evaporation technology, belonging to the technical field of chemical three-waste treatment and utilization, and in particular to an application of an MVR crystallizing evaporator in a sodium sulfate and sodium chloride separation technology. The application is mainly technically characterized in that sodium sulfate liquid is concentrated by the MVR crystallizing evaporator, the sodium sulfate is produced at high temperature, and the sodium chloride is produced at low temperature. According to the invention, the mechanical re-compressed vapor is evaporated, concentrated and crystallized at 90-100 DEG C to obtain sodium sulfate, and the re-compressed vapor at a low temperature of 55 DEG C is concentrated and crystallized to obtain sodium chloride. According to the invention, the application of the MVR technology to the concentration of sodium sulfate liquid is realized, the sodium sulfate is produced at high temperature, and sodium chloride is produced at low temperature. The application disclosed by the invention is an environmental protection project which saves energy, reduces emission and avoids waste gas, waste water and waste residue.

The invention discloses an organic compound based on heteroaryl amine structure and application thereof to an OLED (Organic Light Emitting Diode). The compound structurally contains heteroaryl and benzo-heteroaryl amine structures at the same time, has relatively shallow LUMO energy stage, relatively high glass transition temperature and molecular thermal stability; the absorption in the visible light field is low; the refractive index is high; after the organic compound is applied to the CPL layer of the OLED device, the light extraction efficiency of the OLED device can be effectively improved.

The invention relates to an organic compound taking triazine and benzimidazole as cores and application thereof to an OLED (Organic Light Emitting Diode) device. The compound provided by the invention has relatively high glass transition temperature and molecule thermal stability; the compound has low absorption and high refractive index in the field of visible light; after the compound is applied to a CPL (Circular Polarizing Filter) layer of an OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound also has a deep HOMO energy level and high electron mobility and can be used as a hole-blocking/electron transferring layer material of the OLED device; and the compound can be used for effectively stopping a hole or energy from being transmitted to one side of an electron layer from a light emitting layer, so that the compounding efficiency of the hole and electrons on the light emitting layer is improved, and furthermore, the luminous efficiency of the OLED device is improved and the service life of the OLED device is prolonged.

The invention discloses heteroaryl amine structure based organic compounds and applications thereof. The structure of the organic compounds simultaneously comprises different types of heteroaryl groups and amino groups. The organic compounds have a low LUMO energy level, a high glass transition temperature, and high molecular thermal stability, have low absorption and a high refractive index in the visible light range, and can effectively improve the light emission efficiency of an OLED device, after being applied to the CPL layer of the OLED device.

The invention discloses a novel judging method of defrosting conditions of an air-conditioner, which cancels an environment temperature sensor and judges if an outdoor heat exchanger needs to be defrosted according to the temperature variation situation of an outdoor evaporator in the heating process, thereby simplifying the design and a manufacturing method of products, reducing the development cost and enhancing the heating efficiency of the air-conditioner. The defrosting control method is as follows: after the air-conditioner is started to carry out heating operation, a control device records an initial value of the temperature of the outdoor heat exchanger and then dynamically records and judges a temperature signal of the outdoor heat exchanger, which is sent by a pipe temperature sensor of the outdoor heat exchanger, so as to obtain a maximum value Tmax of the temperature of the outdoor heat exchanger and store the maximum value Tmax; after the cumulative time of the heating operation of the air-conditioner reaches a preset time quantum of the control device, the control device compares the current temperature T of the outdoor heat exchanger with the maximum value Tmax of the temperature of the outdoor heat exchanger, and when the Tmax-T is larger than or equal to M which is the set temperature, the air-conditioner is in a defrosting mode.

The invention relates to an organic compound based on triazine and benzimidazole and application thereof to an organic light-emitting diode (OLED) device. The compound disclosed by the invention has a high vitrification temperature and high molecular thermal stability; the compound has a low absorption rate and a high refraction rate in the field of visible light, and can be applied to a CPL (Circular-Polarizing Filter) layer of the OLED device to effectively increase the light output efficiency of the OLED device; the compound also has a deep HOMO (Highest Occupied Molecular Orbital) energy level and a high electron mobility, can be taken as a hole-blocking/electron transport layer material of the OLED device, and can effectively block holes or prevent energy from being transported from a light-emitting layer to one side of an electron layer, so that the compound efficiency of the holes and electrons on the light-emitting layer is increased, and the light-emitting efficiency and the service life of the OLED device are increased and prolonged.

The invention discloses an anti-condensation control method, device and air condition system used for a fixed frequency unit. The method includes detecting the evaporation temperature of a refrigerant agent in the fixed frequency unit in a refrigerating mode; performing fuzzy inquiry calculation on the detected evaporation temperature based on a pre-set fuzzy relation database so as to obtain a corresponding calculation result, wherein the fuzzy relation database includes the fuzzy relation between the evaporator temperature of the fixed frequency unit and the corresponding indoor environmental temperature; judging whether to perform anti-condensation control over the fixed frequency unit based on the calculation result; enabling the fixed frequency unit to enter a predetermined anti-condensation control mode when the judgment result shows that anti-condensation control over the fixed frequency unit is needed so as to realize the anti-condensation control over the fixed frequency unit. The scheme provided by the invention can overcome shortcomings of use inconvenience, large potential safety hazards and poor user experience and the like of the prior art and can achieve beneficial effects of use convenience, small potential safety hazards and good user experience.

The invention relates to an organic compound based on triazine and application thereof to an OLED (Organic Light Emitting Diode) device. The compound has high glass transition temperature and molecular thermal stability; in the visible light field, the absorption is low; the refraction index is high; after the compound is applied to a CPL layer of the OLED device, the light taking-out efficiency of the OLED device can be effectively improved. The compound also has deep HOMO energy level and high electronic mobility and can be used as a hole blocking/electronic transmission layer material of the OLED device; holes or energy can be effectively blocked from being transmitted from the luminescent layer to one side of the electronic layer, so that the compounding efficiency of holes and electrons in the luminous layer is improved; further, the luminous efficiency of the OLED device is improved; the service life of the OLED device is prolonged.

The invention discloses a variable frequency air conditioning unit which solves the problem that in the prior art, the control over temperature and humidity precision by an air conditioner is lower. The variable frequency air conditioning unit comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected. The compressor is further connected with the evaporator. A condensing fan is further arranged above the condenser. An evaporating fan is further arranged above the evaporator. The compressor is a variable frequency compressor, the expansion valve is an electronic expansion valve, and a liquid storage tank is arranged between the condenser and the expansion valve. A humidifier and an electric heater are respectively arranged at an air supply outlet of the evaporating fan. A dehumidifying electromagnetic valve is further arranged between the expansion valve and the evaporator. The variable frequency air conditioning unit provided by the invention has the advantages of high precision control and energy-saving and the like, and is suitable for application.

The invention relates to a method for remediation of volatile organic compound and mercury compound contaminated soil, and belongs to the technical field of soil contamination remediation. The method comprises the steps that the contaminated soil is firstly excavated out of a contaminated land parcel, and breaking and screening treatment is carried out; then ferric chloride powder is added into soil particles according to the proportion of 1 g/kg-10 g/kg, after even mixing and stirring are carried out, vacuum heat treatment is carried out, the temperature is firstly controlled to range from 250 DEG C to 300 DEG C, and mercury and a small quantity of volatile organic compounds in the soil particles are removed; then the temperature is controlled to range from 500 DEG C to 600 DEG C, the volatile organic compounds in the soil are removed, and condensed air is supplied into the atmosphere through a vacuum pump; and the treated clean soil is taken out of a vacuum reactor. According to the method, remediation of the volatile organic compound and mercury compound contaminated soil is achieved, and the technological process is simple, efficient and free of secondary contamination.

The invention relates to a multistage double effect distillation seawater desalination technology with heating seawater by solar energy. The technology comprises the following steps: seawater is delivered to a high cistern by a seawater pump; the seawater in the high cistern is delivered to a system for water supply through a water supply tube and a condenser inlet tube; the seawater is heated to a certain temperature by adsorbing latent heat of steam in an evaporator through all condensers of the system, and enters the evaporator after being heated to a designed temperature by a rapid heater with solar energy; the seawater enters the evaporator, becomes superheated water and is gasified rapidly and partially because a pressure in the evaporator is controlled to be lower than a saturation vapor pressure corresponding to a temperature of hot seawater; and a part of ungasified hot seawater enters a next stage evaporator and a part enters heat-collecting tubes at two sides of the evaporator. The heat-collecting tubes are provided with annular imbibition films, and the hot seawater flows from top to bottom after entering the heat-collecting tubes. In a flow process, the hot seawater is delivered to upper half parts of inner cavities of the heat-collecting tubes because of capillary imbibition actions of the imbibition films. The hot seawater is evaporated to steam because the heat-collecting tubes have a high temperature under the sunlight, the steam rises along the inner cavities of the heat-collecting tubes and enters the condenser to obtain fresh water which flows into a fresh water tank and then is output by a fresh water tube. Unevaporated concentrated seawater enters a concentrated water tank and is ouput by an inlet/outlet tube.

The invention relates to an organic compound taking pyridine and benzimidazole as a core and application thereof in organic light emitting diode (OLED) devices. The compound disclosed by the invention has higher glass transition temperature and molecular heat stability; the compound has low absorption and high refractive index in the field of visible light; after being applied to CPL layers of the OLED devices, the compound can effectively improve light extraction efficiency of the OLED devices. The compound disclosed by the invention further has a deep HOMO energy level and high electronic mobility, can serve as a cavity blocking/electron transfer layer material of the OLED devices and can effectively prevent cavities or energy from being transmitted to one side of an electronic layer from a luminescent layer; thus, composition efficiency of the cavities and the electrons in the luminescent layer is improved, and further luminous efficiency and service life of the OLED devices are improved.

The invention discloses a vacuum dryer for a screw to convey materials and a method thereof. The dryer comprises a vacuum drying device and a controller; the controller mainly comprising PLC and an upper computer, timely controls the rotate speed of a screw and the heating power of a ten-section resistance according to the detection data of the temperature and the humidity of the materials. The invention adopts a subsectional heating and drying control strategy giving consideration to both the drying quality and the production efficiency, comprises PID and predictive control, and a drying control strategy of the heating control and the linkage of the screw rotating speed; and the drying precision can be 98.8%. The invention is characterized by drying the inflammable and explosive materials and materials easy to be decomposed at a high temperature and no-air contacted materials. Furthermore, the vacuum operation reduces the steam pressure and the temperature, improves the temperature range between heating elements and the dried materials; the screw conveying increases the drying area, is benefit to evenly heating; a mechanism of screw rotating speed linkage based on the subsectional drying control strategy can not only ensure the high quality of the dried materials but also has high production efficiency.

The invention provides a mechanical steam recompression falling film evaporation process method comprising the following specific steps: (1) high-salt wastewater pretreatment is carried out, wherein a material is delivered into a preheater through a feeding pump; condensate water of falling film evaporator secondary steam condensation is adopted as a heat source of the preheater, and the material is preheated; the preheated material is delivered into a liquid mixing device, and is mixed with liquid from an evaporation chamber of the falling film evaporator; and the mixture is delivered into the falling film evaporator; (2) a falling film evaporation system is established, wherein after the material enters the falling film evaporator, with indirect heating of evaporator shell-side steam, the material absorbs heat and the temperature is increased; the material enters the evaporation chamber; with the negative pressure in the evaporation chamber, the material is instantly evaporated, and most of water is converted into secondary steam and is discharged from a secondary steam outlet; and (3) a steam compression recycling system is established, wherein secondary steam from the evaporation chamber enters a steam compressor; with the compression of the steam compressor, steam pressure and temperature are both increased; and the steam is returned to the shell-side of the falling film evaporator again and is reused.

The invention discloses a conic nuclear power plant waste resin drying device. The conic nuclear power plant waste resin drying device comprises conic dryer body equipment used for waste resin vacuum drying, a hot oil unit used for heating and cooling a conic dryer, an air exhausting and condensation system used for maintaining the vacuum degree in a dryer body and condensing steam, a nitrogen purging system used for protecting the system and washing a washable filter, a washing and dewatering system used for dewatering waste resin and washing system pipelines, and a resin barreling system used for simulating a nuclear island SRTF station. The provided conic nuclear power plant waste resin drying device is safe, reliable, easy to operate and control, reasonable in structure configuration, high in drying efficiency and large in resin volume reduction ratio.

The invention relates to an organic compound taking triazine and benzimidazole as cores and application thereof to an OLED (Organic Light Emitting Diode) device. The compound provided by the invention has relatively high glass transition temperature and molecule thermal stability; the compound has low absorption and high refractive index in the field of visible light; after the compound is applied to a CPL (Circular Polarizing Filter) layer of an OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound also has a deep HOMO energy level and high electron mobility and can be used as a hole-blocking/electron transferring layer material of the OLED device; and the compound can be used for effectively stopping a hole or energy from being transmitted to one side of an electron layer from a light emitting layer, so that the compounding efficiency of the hole and electrons on the light emitting layer is improved, and furthermore, the luminous efficiency of the OLED device is improved and the service life of the OLED device is prolonged.

The invention discloses a transparent display panel and a manufacturing method thereof. The transparent display panel comprises a substrate, organic electroluminescent devices, pixel electrodes, light-emitting layers, opposite-direction electrodes and a conductive layer, wherein the substrate comprises a plurality of pixel areas and a light transmitting area surrounding the pixel area; the organic electroluminescent devices are arranged on the substrate, correspond to the pixel areas of the substrate and comprise thin film transistors which are arranged on the pixel areas of the substrate; the pixel electrodes are arranged on the thin film transistors and electrically connected with the thin film transistors; the light-emitting layers are arranged on the pixel electrodes; the opposite-direction electrodes are arranged in the pixel areas of the substrate and located above the light-emitting layers; the conductive layer is arranged above the light transmitting area, located between the two opposite-direction electrodes and used for connecting the two adjacent opposite-direction electrodes; the conductive layer is made from conductive materials with the evaporation temperature lower than 600 DEG C.

The invention discloses a method for concentrating a high-salinity wastewater at low temperature. The method is characterized by comprising the following steps: feeding, single-effect evaporation, two-effect heat exchange, two-effect evaporation and separation. Especially, a steam machine recompression evaporator is adopted to carry out low-temperature evaporation concentration in the single-effect evaporation step, and the concentration effect is good. By adopting the method for concentrating the high-salinity wastewater at low temperature, the evaporation temperature of the high-salinity wastewater is reduced, energy is saved, the environment is protected, energy consumption for evaporating 1t of water is about 1/8 to 1/7 of that of the traditional evaporator, the method completely gets rid of dependence on a steam boiler, the MVR mainly consumes electric energy after consuming steam, an energy source is saved, the cost is reduced, the automatic degree is high, the work flow is full-automatic, and method is free of manual control.

The invention relates to an organic compound based on pyridine and quinoxaline and an application of the organic compound to an OLED (organic light emission diode) device. The compound has higher glass transition temperature and molecular heat stability, and is low in absorption and high in refractive index in the field of visible light, and light extraction efficiency of the OLED device can be effectively improved after the organic compound is applied to a CPL layer of the OLED device; the compound further has high HOMO energy level and high electron mobility and can be taken as a hole-blocking/electron transfer layer of the OLED device and can effectively prevent holes or energy from being transferred to one side of the electron layer from a luminous layer, so that composite efficiency of the holes and electrons in the luminous layer is improved, the luminous efficiency of the OLED device is improved, and the service life of the OLED device is prolonged.

The invention provides a process for recycling ammonium chloride waste water, which comprises the steps of pre-heating ammonium chloride waste water and performing triple effect evaporation on feed liquid by using a plate type evaporator in turn. The process has the advantages that: triple effect downstream evaporation is adopted, pressure is kept between normal pressure and low vacuum, and evaporation temperature is lowered with the increase in the ammonium chloride concentration in waste water to reduce the corrosion of a medium by ammonium chloride, and the enough gas heat generated by steam-liquid separation at the previous effect evaporation is used as the heat source for later effect evaporation, so that the heating medium is fully utilized and steam consumption and operation cost are reduced; the first effect evaporation and second effect evaporation are falling film evaporation which has high evaporating capacity; the third effect evaporation is forced circulation evaporation; and the concentration of ammonium chloride solution after triple effect evaporation is controlled to be saturated, cooling and crystallizing can be performed subsequently, and the dried material can be used as a fertilizer directly and has a high commercial value.