52 results about "Vapor absorption" patented technology

Methods and systems for controlling a locking mechanism on a fuel cap for refueling a vehicle are disclosed. In one example approach, a method comprises venting a fuel tank into a vapor absorbent canister in response to a request to refuel and unlocking the fuel cap in response to a predetermined temperature change in said canister.

The invention discloses a method for improving the sensitivity for detecting NO3 in the atmosphere by deducting vapor interference. The method comprises the following steps: measuring a spectrum, and demarcating a lens reflectivity; calculating the Rayleigh scattering extinction of nitrogen; calculating a high-resolution vapor absorption cross section; facilitating high resolution of the measured spectrum, the lens reflectivity and the nitrogen Rayleigh scattering extinction; measuring the concentration of vapor in a cavity; calculating a high-resolution vapor absorption spectrum; calculating a low-resolution vapor absorption spectrum; calculating a low-resolution vapor absorption cross section; fitting the spectrum; and judging whether the iteration is ended or not. The vapor absorption cross section is calculated in real time according to the pressure and temperature in an IBBCEAS (incoherent broad-band cavity-enhanced absorption spectroscopy) optical resonant cavity, and the real vapor absorption cross section is gradually obtained by adopting an iteration calculation method, so that a vapor absorption structure can be effectively deducted from the absorption spectrum in the subsequent spectrum inversion. Compared with an existing method, the sensitivity of the IBBCEAS technology for detecting the NO3 in the atmosphere can be greatly improved.

A system and method for reduction of diluent gaseous nitrogen (DGAN) compressor power in combined cycle power plant. A vapor absorption chiller (VAC) may be utilized to generate and transmit cooled fluid, such as water, to one or more heat exchangers located upstream and / or downstream of at least one compressor of the DGAN compressor system. Utilization of these heat exchangers may cool the temperature of the nitrogen, which may allow for less energy to be expended by the DGAN in compression of the nitrogen.

The invention provides a device for purifying liquid ammonia decomposition gas, and the device comprises a liquid ammonia storage tank, a vaporizing chamber, an ammonia decomposition furnace, a purifier, a cyclone separator, and a drier, wherein the vaporizing chamber comprises a liquid ammonia evaporator and a buffering storage tank; the ammonia decomposition furnace comprises a preheater and a catalytic decomposer; the liquid ammonia storage tank is connected with the liquid ammonia evaporator; the liquid ammonia evaporator is connected with the buffering storage tank, and then orderly connected with the preheater, the catalytic decomposer, the purifier, the cyclone separator and the drier; the drier comprises a water-vapor absorption layer and an organic adsorption layer; liquid ammonia is vaporized and introduced into the ammonia decomposition device to obtain hydrogen nitrogen mixed gas containing little residual ammonia and impurities such as sulfur; the mixed gas is introduced into an alkaline solution through a gas distribution pipe to absorb impurities such as sulfur and NH3 in the mixed gas; the purified gas is separated, and the separated gas contains a few liquid drops; the liquid drops [S1] return to the purifier for circular purification; the separated gas is dried by the drier to obtain high-purity hydrogen nitrogen mixed gas.

A system for use in a combined cycle or rankine cycle power plant using an air-cooled steam condenser is provided and includes a steam turbine from which first and second steam supplies are outputtedat high and low respective pressures, an air-cooled condenser configured to fluidly receive and to air-cool at least the first steam supply via a supply of air, a cooling tower from which a first water supply is cycled, a chilling coil through which a second water supply water is cycled to thereby cool the supply of air, and a vapor-absorption-machine (VAM) configured to fluidly receive the secondsteam supply and the first water supply by which a refrigeration cycle is conducted to thereby cool the second water supply.

A vapour absorption system (11) adapted to receive a vapour comprising a vacuum pump (16) having an operating liquid wherein the vapour is received by an operating liquid and condensed therein to provide condensed liquid mixed with the operating liquid.

Systems for efficiently compressing a gas are included. In one embodiment, a system includes a carbonous gas compression system and a vapor absorption chiller (VAC). The carbonous gas compression system comprises a compressor configured to compress the carbonous gas. The VAC is configured to circulate a coolant through at least one coolant path through the carbonous gas compression system. Utilization of the VAC may aid in cooling the carbonous gas, which may allow for less energy to be expended by the compression system.

The invention provides a waterproof coal mine methane detection instrument and relates to the field of coal mine methane detection instruments. The waterproof coal mine methane detection instrument includes a casing, the left side of the casing is fixedly connected with an insertion rod, the inner bottom wall of the casing is fixedly connected with a bottom plate, and the upper surface of the bottom plate is lapped with an instrument body. The upper surface of the bottom plate is provided with a chute, and the lower surface of the instrument body is fixedly connected with a wheel bar inside the chute, and the end of the wheel bar away from the instrument body is fixedly connected with a wheel shaft. The waterproof coal mine methane detection instrument, through the first isolation layer and the second isolation layer respectively arranged inside the first opening and the second opening, prevents the gravel from falling into the inside of the shell when the mine is mining, and passes through the The first sponge block cooperates with the second sponge block to achieve the effect of absorbing moist water vapor and water droplets, and through the contraction function of the spring, the effect of driving the extrusion rod to squeeze the second sponge block to the right is achieved.

The invention discloses a purification process for waste etching liquid from circuit boards. The purification process adopts a solid-phase flow sedimentation separation technology and an ammonia-nitrogen vapor absorption technology, and the two technologies allow the ammonia-nitrogen content in condensate water to be less than 10 ppm after evaporating ammonia-nitrogen waste liquid and allow ammonium chloride in the waste liquid to be converted into ammonia water and calcium chloride products meeting standards. The purification process achieves good economic and environmental benefits and has broad market prospects.

The invention discloses a controllable-humidity vapor-heating / humidifying leather-lapping cloth bonding processing apparatus which comprises a dehumidifying tank, a wheel support, a motor fixing support, a vapor generator, a working side plate and a working flat plate, wherein the bottom of the dehumidifying tank is provided with the motor fixing support through a bolt; the motor fixing support is provided with a motor; the motor is fixedly connected with a blower; the blower is provided with a water vapor absorption conveyer pipe; the tail end of the water vapor absorption conveyer pipe is connected with a vapor absorption coil; the upper part of the dehumidifying tank is provided with the working flat plate; the working flat plate is provided with the working side plate; the working side plate is provided with driving rollers; the left side of the dehumidifying tank is provided with a dehumidifying port; the dehumidifying port is used for communicating the air with the inside of the blower; and the right side of the dehumidifying tank is provided with a vapor generator support plate. The apparatus can perform vapor humidifying and heating on leather while effectively controlling the water content of the leather surface, is simple in structure and convenient to operate, and has the advantages of high efficiency and lower investment cost.

A system for use in a combined cycle or rankine cycle power plant using an air-cooled steam condenser is provided and includes a steam turbine from which first and second steam supplies are outputted at high and low respective pressures, an air-cooled condenser configured to fluidly receive and to air-cool at least the first steam supply via a supply of air, a cooling tower from which a first water supply is cycled, a chilling coil through which a second water supply water is cycled to thereby cool the supply of air, and a vapor-absorption-machine (VAM) configured to fluidly receive the second steam supply and the first water supply by which a refrigeration cycle is conducted to thereby cool the second water supply.

The invention discloses a method for improving pore-forming efficiency of a metal sublimation pore-forming method based on an element reaction / diffusion principle. The method comprises the following steps of a, adding one or more metal pore-forming elements easy to sublimate in a certain proportion into a sample to be pore-formed in a preparation process, and putting the sample into a hearth of ahigh vacuum furnace after preparation; b, installing a vapor absorption objective table in a sintering chamber, and adding a pressed reactant capable of reacting with the sublimating metal elements onthe vapor absorption objective table; and c, sintering the sample in the sintering furnace with high vacuum degree to form holes inside and on the surface of the sample. The sublimated metal vapor reacts with the reactant on the vapor absorption objective table, so that the reaction process is accelerated, the pore formation efficiency is improved, and a porous material with high porosity is obtained. The method has the characteristics of simple process, low cost, high universality and the like, and can be widely applied to the field of preparing porous materials by using the metal pore-forming elements easy to sublimate.

A hybrid cooling system adapted to provide cooling to a thermal-electric power plant includes an air-cooled condenser (ACC) adapted to provide cooling water to the thermal-electric power plant and a vapor absorption / adsorption refrigerant system (VARS) adapted to provide cooled air to the ACC. The cooled air is used by the ACC to condense steam to produce the cooling water.

The invention relates to a hydrophobic moisture-absorbing fabric coating and a preparation method thereof. The preparation method includes that after mixing of hydrophilic monomers, hydrophobic monomers and cross-linking agents, polymerization and cross linking are triggered on the fabric surface to obtain the hydrophobic moisture-absorbing fabric coating, wherein the carbon chain length of the hydrophobic monomers is larger than that of the hydrophilic monomers, and the mass of the hydrophobic monomers accounts for 65%-95% of the total mass of the hydrophilic monomers, the hydrophobic monomers and the cross-linking agents. The prepared hydrophobic moisture-absorbing fabric coating is in a copolymerized reticular structure mainly formed by hydrophilic chain segments (containing hydrophilicgroups), hydrophobic chain segments (containing hydrophobic groups) and the cross-linking agents, the hydrophobic chain segments play a role in liquid drop repelling, and the hydrophilic groups playa role in gaseous vapor absorption. The preparation method is simple, feasible and low in cost, the prepared fabric coating has great moisture absorbing and hydrophobic performances, the fabric styleis unchanged after base material modification with the coating, and a promising application prospect is achieved.

A microwave-assisted hybrid solar vapor absorption system that converts anergy into exergy and works sustainably without the intermittence associated with the single absorption vapor absorption systems. The heat required for the generator in a vapor absorption system is provided by preheating the water through solar collectors and by using the vehicle's waste heat in conjunction with solar heat, collecting the waste heat and the solar heat into circulating water or other thermal fluids like mineral oil through the vehicle's radiator, the vehicle's exhaust pipe, and a solar collector. By combining the waste heat and the solar heat, the system achieves the required generator temperature. By introducing dielectric heating and by differentially heating only the refrigerant fluid, and not the absorbent fluid, the required pressure for refrigeration is achieved, while allowing the absorbent fluid to remain significantly cooler than the refrigerant. This increases the Coefficient of Performance to 0.95.

The invention relates to a transformer respirator, which comprises a silica gel tank, an oil cup and a flange, wherein the flange is arranged in the center of the top of the silica gel tank, the silica gel tank consists of a glass tank body, an upper end cover, a lower end cover, long screw bolts and sealing rings, the upper end cover and the lower end cover are connected onto an end opening of the glass tank body through screw bolts, the long screw bolts are connected between the upper end cover and the lower end cover, the sealing rings are arranged between the tank body and the upper and lower end covers, and an exhaust pipe arranged at the bottom of the lower end cover is inserted in the oil cup. The transformer respirator is characterized in that a silica gel filling opening and a silica gel discharging opening are respectively formed in the upper end cover and the lower end cover, sealing covers are arranged on the silica gel filling opening and the silica gel discharging opening, the long screw bolts are positioned outside the glass tank body, the outer edge of the lower end cover is provided with a downwards extending water blocking edge, and the height of the oil cup is 80mm to 100mm. The operation is convenient, and the original sealing structure cannot be destroyed; the problem of air leakage caused by poor sealing between the long screw bolts and the tank body since the long screw bolts are positioned in the tank body is solved; snow water in winter is prevented from flowing into the oil cup from the outer wall of the silica gel tank along the bottom surface of the lower end cover; the loss of aqueous vapor absorption effect due to oil film forming through the contact of oil and silica gel particles is prevented.

The invention discloses a gas-phase molecular absorption spectrograph applying a water seepage absorption drying device. The gas-phase molecular absorption spectrograph comprises a fluid circuit module, a gas circuit module, a detection module and a control module, wherein the control module is used for sending control signals to the fluid circuit module, the gas circuit module and the detection module and also can receive feedback data signals from the fluid circuit module, the gas circuit module and the detection module; the detection module comprises a sensor and a detector; the water seepage absorption drying device is arranged in front of the sensor; and the water seepage absorption drying device is a Nafion tube. The gas-phase molecular absorption spectrograph disclosed by the invention can effectively remove water and alcohols interfering detection; driving force of a Nafion material is from a vapor pressure gradient inside and outside the tube but not pressure difference or temperature difference, so that the achieved dehumidifying effect is far better than that of an existing condensation dehumidification scheme; and meanwhile, a phase change factor does not exist in a vapor absorption process, a dehumidification process does not cause extra influence on a gas delivery environment, and the condition that gas is re-dissolved in condensation or a pipeline is blocked can be avoided.

A method and system for harvesting water from the atmosphere using unwanted combustible gas, where the unwanted combustible gas refers to combustible gas (e.g., natural gas) that would normally be flared off by the oil and gas operator or by a plant (e.g., petrochemical plant). The energy produced by burning the unwanted combustible gas is used to power vapor compression or vapor absorption based refrigeration units which provide the cooling capacity to condense water. The condensers may be coated with specialized condensation promoting coatings that increase the condensation heat transfer performance thereby enabling compact combustible gas powered atmospheric water harvesters. The water collected can be used for oilfield operations, hydraulic fracturing, waterflooding, etc.

The integrated desalination and air conditioning system can provide desalinated (fresh) water, cold air or both in a single efficient system. The system incorporates a humidification-dehumidification (HdH) desalination system with a water-lithium bromide (H2O—LiBr) vapor absorption cycle (AbC) system. The AbC system includes an AbC generator that provides a heating source for an AbC condenser that heats the air input of the HdH; two AbC absorbers that provide heating sources for the feed seawater; a first AbC evaporator that provides a cooling source for the humidified air produced in the HdH; and a second AbC evaporator that provides a cooling source for use outside the system. The heat input for the AbC generator can be provided by low-grade heat sources, such as waste heat or solar thermal energy. The system is capable of producing fresh water and / or cold air at different capacities, depending on water demands and cooling load requirements.

Provided herein is a vapor absorption system, adapted to receive a vapor comprising a vacuum pump having an operating liquid, where the vapor is received by an operating liquid and condensed therein to provide condensed liquid mixed with the operating liquid.

A vapor absorption system adapted to receive a vapor comprising a vacuum pump having an operating liquid wherein the vapor is received by an operating liquid and condensed therein to provide condensed liquid mixed with the operating liquid.

The present application and the resultant patent provide an integrated gasification combined cycle system. The integrated gasification combined cycle system may include a gas turbine engine, one or more power plant components, one or more carbon dioxide compressors, and a vapor absorption chiller. The vapor absorption chiller is driven by a waste heat source flow from the carbon dioxide compressors to produce a chilling medium flow to cool the power plant components.

The present invention envisages a hybrid absorption-compression chiller comprising: a vapor-compression system providing a refrigeration effect in a primary evaporator (102a) by extracting heat from a medium to be cooled in a condensed primary refrigerant, and a vapor-absorption system in operative communication with the vapor-compression system for receiving primary refrigerant vapors via a compressor (104a), these vapors are cooled by a condensed secondary refrigerant in a secondary evaporator (106a) to provide cold condensed primary refrigerant which is recycled to the vapor-compression system. The hybrid absorption-compression chiller of the present invention is energy-efficient and provides a higher (coefficient of performance) COP in comparison with the conventional chillers.

The invention discloses a method for rapidly detecting storage quality of aseptically packaged sea cucumber protein peptide powder based on DVS and GC-IMS technologies. The sea cucumber protein peptide powder is used as the raw material, and the DVS (dynamic vapor absorption method) and GC-IMS (gas chromatography-ionic migration spectrometry) are comprehensively used for detecting and identifying.A moisture absorption kinetic curve and a moisture absorption isotherm of the sea cucumber protein peptide powder can be acquired through a DVS system, and the volatile substances are separated through the GC-IMS, the sea cucumber protein peptide powder after the separation of the volatile substances is finished enters an IMS unit to be measured twice, thereby successfully constructing a flavor fingerprint of the sea cucumber protein peptide powder. Through the method disclosed by the invention, the sea cucumber protein peptide powder packaged and stored under different conditions can be distinguished; the method can be applied to the quality grading and shelf life research of the sea cucumber protein peptide powder, has the features of being significant, less in raw material consumption,simple in operation, rapid in detection speed and high in accuracy.