1519 results about "Gas consumption" patented technology

Devices and methods for electrolytic electrosurgery wherein a detector is located proximal to an active electrode on an electrosurgical probe, optionally disposed between the active electrode and a return electrode, the detector detecting at least on parameter relating to electrolysis. The detected parameter can include pH concentration, temperature, conductivity, impedance, ion, concentration, electrolytic gas consumption, electrolytic gas production, pressure or sound. The detected parameter can be employed in control systems to control systems to control activation or operation of the electrosurgical probe.

A resource management and control system includes real-time visibility to energy and water consumption. The resource management platform is flexible and allows users to create a system to suit their individual needs, and to make changes to that platform as their needs change and new needs arise. The resource management and control system monitors electricity and gas consumption, solar production, and water use in real time. The control system includes a number of wireless access nodes for interfacing with the various systems within a property, and also includes monitoring, diagnostic and alerting capabilities. Billing system integration provides historical data for the cost of resource usage and production relative to time, geography and consumer service level agreements and allows the user the ability to directly correlate consumption behaviors with cost implications. Autonomously operating control processes are incorporated to automatically configure and control devices for optimal resource consumption and application.

The invention relates to a safe and environment-friendly method for protecting storage tanks to mainly solve the problems that in the prior art, the gas consumption of nitrogen protection is excessively large, cost is high, and sulfur-containing gas and other peculiar smell gas are hard to treat. According to the safe and environment-friendly method for protecting the storage tanks, the gas produced by liquid in the storage tanks enters a compressor (18) through a main gas pipe (19) and an inflation pipe (21), the gas is pressurized by the compressor (18) and stored in a buffering tank (5) to serve as one part of positive-pressure protection gas, when the gas stored in the buffering tank (5) cannot meet the positive-pressure protection of all storage tanks, the nitrogen from a nitrogen inlet pipeline (22) is used for performing supplementation, and when the pressure stored in the buffering tank (5) exceeds the designed pressure, the residual gas is sent to a torch or combustion furnace through a torch or combustion furnace leading pipeline (22), the problems are well solved through the technical scheme, and the method can be used in storage tank protection.

A textile dryer capable of monitoring heating chamber temperature (internal thermocouple), peak ink temperature (absorption infrared probe at exit), real-time ink temperature (donut thermocouple) as the textile travels through the chamber, and gas consumption is disclosed. A controller permits one to set numerous parameters and view graphs of the monitored variables over time. Recipes or job settings can be stored for recall and use later. In addition, visual and audible warnings and alarms are incorporated into the system.

The invention relates to an infrared photoacoustic spectroscopy detection device and method for decomposed components of sulfur hexafluoride under partial discharge, belonging to the technical field of partial discharge on-line monitoring of SF6 gas insulating electrical equipment. The device of the invention mainly comprises an induction voltage regulator, a corona free experimental transformer, a partial discharge free protective resistor, a standard capacitive voltage divider, a non-inductive resistor, a GIS analog element, a wide-frequency high-speed ultrahigh-capacity digital storage oscillograph and an infrared photoacoustic spectroscopy system. In the method of the invention, infrared photoacoustic spectroscopy detection is carried out on the decomposed gas of SF6 under partial discharge in the GIS analog element by the device of the invention. The invention has high sensitivity, little gas consumption, multiple detection components and strong anti-jamming capability, can effectively detect SF6, CF4, SO2F2, SOF2, SO2, HF and the like as low as 0.01 muL/L, and is suitable for on-line detection. The invention can be widely used for detection of partial discharge decomposed gas of SF6 in the SF6 gas insulating electrical equipment, especially the GIS equipment.

The invention provides a method for preparing ultrathin metal powder and belongs to the field of material preparation. The method comprises the steps of smelting, atomization, cooling, solid-liquid separation and the like. In the step of atomization, one or more of water, nitrogen, helium and argon serves/serve as an atomizing medium. According to the method, the metal powder or alloy powder with the grain size smaller than 10 micrometers is basically obtained, the ratio of the metal powder or the alloy powder with the grain size smaller than 10 micrometers is over 50%, the sphericity of the obtained metal powder or the alloy powder is over 90%, the oxygen content is smaller than 100ppm, the gas consumption is small, the cooling efficiency is high, and the requirements for devices are low. The method for preparing the ultrathin metal powder is capable of satisfying the requirements of the metal powder or the alloy powder used for injection forming, thermal spraying, thermal spray welding and 3D printing.

The invention relates to a method for recovering exhaust gas according to the polyolefin gas phase method. The method for recovering the exhaust gas comprises the following steps: 1) compression, condensation and separation steps are carried out; 2) after the compression, condensation and separation steps, gas enters a heat exchanger to be subjected to cryogenic separation; 3) compressed and condensed liquid and liquid subjected to cryogenic separation are subjected to gas-liquid separation through a separation tank, and after the flash evaporation, light component gas flows to a compressor to be recycled; 4) after cryogenic separation, part of uncondensed gas enters a membrane separation device to enable hydrocarbons to be further recovered; 5) after membrane separation, hydrocarbon-rich phase gas returns back to the compressor to be recycled, hydrogen-deficient phase gas flows to an unpowered expansion refrigeration device to enable hydrocarbons to be recovered, and obtained high-purity nitrogen is used as supplementation gas for sweeping gas of a product receiving bin or a degassing bin. According to the method for recovering the exhaust gas, unreacted monomers can be effectively recovered, the gas emission can be reduced, the total utilization of the monomers can be increased, the gas consumption amount of the sweeping gas can be reduced, the cost can be reduced, the power of the compressor can be reduced, and the energy consumption of the heat exchanger can be reduced.

The invention relates to a processing flow of FT synthetic oil, which comprises hydrogenation, low-temperature oil washing, decarburization and PSA. The invention is characterized in that the synthetic oil is mixed with hydrogen via a filter, and enters a hydrogenated prerefining reactor after heat exchange, then enters a hydrogenated refining reactor after the synthetic oil is heated to 300 to 380 DEG C by a heating furnace; oxygen-containing compounds, unsaturated hydrocarbons and metal impurities in the raw material are extracted; the hydrogenated refined product enters a high thermal separator for separation of oil phase and gas phase after heat exchange, and enters a hydrocracking reactor for hydrocracking after heat exchange and heating of the heating furnace; the cracked product and the refined product are mixed to enter a fractionation system; a combined flow with two stages connected in series is adopted for the hydrogenated refining reactor and the hydrocracking reactor which share a recycle hydrogen system; a fractionation system is shared by the hydrogenated refined oil and the hydrocracked oil; and a three-column process flow is adopted for the fractionation system. The invention has the advantages of low gas consumption of the low-temperature oil washing process, high recovery of light hydrocarbons, less matching investment, and reduction of energy consumption and improvement of hydrogen recovery rate due to the decarburization process.

The invention discloses a clean natural gas exploiting method which comprises the following steps of: 1) adding an ice inhibitor, 2) separating liquid from natural gas, 3) sending the gas obtained in step 2) into an open container, 4) adding alkali into the open container for regeneration, 5) separating waste slag, 6) sending the gas obtained in step 5) into another open container, 7) ventilatingand removing moisture, 8) conducting separation and purification, and 9) recycling the ice inhibitor solution. The invention has the advantages that the clean natural gas exploiting method overcomes the defects of the existing natural gas exploiting method, effectively exploits natural gas, effectively solves the problems that natural gas hydrate or ice affects the exploitation of the natural gasand that the natural gas exploitation causes environmental pollution and has high energy consumption, effectively eliminates potential safety hazards in the natural gas exploitation, significantly reduces the fixed investment, exploitation cost, energy consumption, self gas consumption, management workload and the like of the exploitation of the natural gas, and is characterized by easy implementation, safety, reliability, wide application range, easy promotion, high economic and environmental benefits and obvious safety benefits.

The invention relates to an optimization operation monitoring method of a heating furnace, mainly solving the problems of overlarge excess air system and difficulty in diagnosis of fault and operation efficiency of the heating furnace, caused by imperfection of the traditional operation monitoring method of the heating furnace. The optimization operation monitoring method is characterized by comprising the following steps of: (1) detecting the flow rate of a heated medium and the temperatures of the heated medium entering and exiting the furnace and calculating a temperature difference, and calculating effective heat; meanwhile, detecting the gas consumption amount of the heating furnace, calculating heat generated by natural gas combustion, calculating the positive balance furnace efficiency through a computer, and displaying the positive balance furnace efficiency on a screen; (2) controlling flame combustion through a gas adjusting valve according to the temperatures of the heated medium entering and exiting the furnace; (3) detecting the gas flow rate and the flue temperature, and automatically adjusting an air flue for air distribution; and (4) detecting the temperature of a furnace tube and setting a temperature alarm point. The method disclosed by the invention can be used for monitoring the whole operation process of the heating furnace, realizing automatic control and alarming while a fault happens, thereby realizing the purposes of combustion optimization, energy saving and consumption reduction of the heating furnace.

The invention discloses a liquified petroleum gas pot distribution method based on an O2O mode. The liquified petroleum gas pot distribution method comprises a user ordering step, a merchant order-receiving step, a merchant distribution step, a merchant handover step, a user identification and confirmation step, and a user settlement evaluation step. The liquified petroleum gas pot distribution method based on the O2O mode combines an off-line user liquified petroleum gas consumption business opportunity with the Internet of things, reduces marketing and distribution costs of the merchants, creates a new market channel, and has incomparable advantages than the traditional system in aspects of gas pot safety, field distribution, filling quality, process tracking and the like.

The invention discloses an energy-saving compressed air drying method and an energy-saving compressed air drying device special for compression heat regenerative pipelines. The method comprises the following two stages: a drying-heating regeneration stage, wherein high temperature gas is delivered to a regenerator, enters an air cooler for temperature reduction, flows into a gas-water separator and then enters a drying tower; and a drying-cold blowing regeneration stage, wherein the high temperature gas is controlled by a valve to change the direction, flows into the air cooler and the gas-water separator and then directly enters the drying tower for drying, wherein partial dried air taken from an outlet of the drying tower enters the regenerator for cold blowing regeneration. The device comprises a pair of adsorption towers which are formed by connecting a plurality of control valves and pipelines and is a drying tower and a regenerator mutually; the control valves are connected with a PLC program controller; a pipeline for delivering high temperature air is connected in parallel with a dry air supply pipeline formed by connecting the air cooler and the gas-water separator in series; and the front end of the dry air supply pipeline is connected with an outlet of a regenerative gas pipeline of the regenerator through a control valve. The energy-saving compressed air drying method and the energy-saving compressed air drying device avoid the defects of short switching time, high frequency and high gas consumption for generation of a heatless regenerative adsorption type drier, also overcome the defect that a heat regenerative adsorption type drier needs a heater to consume much electric energy, and ensure continuous production of high-quality gas and energy conservation.

The invention discloses a multi-target evaluation optimization method based on a group decision making retrieval strategy and a multi-target evaluation structure for the optimization calculation of set values. The method comprises the following steps of: defining an encoding function; randomly assigning weights for initialization; performing case retrieval after decoding; calculating individual adaptability; judging whether the accuracy meets requirements or not (outputting optimized weights if the accuracy meets the requirements, otherwise, performing the case retrieval again); obtaining final weights by adopting group decision making; calculating case similarity to obtain new retrieval results; judging whether new cases to be retrieved exist or not; calculating product quality, product yield and an energy consumption index within a unit time; evaluating the set values; judging whether to perform compensation and correction on the set values or not; and outputting final set values. The method and the structure are applied to control over the roasting process of a shaft furnace in the metallurgical industry; the rationality of the set values can be evaluated; the quality of roasted ore is improved by 2 percent, the yield of the roasted ore is improved by 4 percent, and energy consumption is reduced by 5 percent; and optimal target values of production indexes are realized, the quality of the roasted ore is improved, gas consumption in a production process is reduced, and the aims of energy saving and consumption reduction are fulfilled.

A preparation device of low-concentration gas with certain humidity consists of a capillary tube and a tee or two-way air-tight joint which are communicated with a carrier gas cylinder, a mass flow controller, a heating diffusion bottle, a humidity generating bottle and a gas mixing tank. The diffusion bottle is arranged in a heater, is communicated with the capillary tube by a capillary needle tube, and a diffusion gas control section is arranged with corresponding numbers and parameters according to the varieties and numbers of the prepared gas components. The gas mixing tank is provided with a hygrometer for real-time determination of the humidity of the prepared gas. The device of the invention adopts a diffusion-dilution type dynamic gas distribution method, can prepare the low-concentration gas with certain humidity, and is characterized by low cost, simple operation, low gas consumption, stable gas distribution, wide humidity regulation range, wide application, etc.

The continuous copper tube bright annealing furnace features that there are air intake pipe and air exhaust pipe in the material rack; copper tube inner purging unit and inner air exhaust unit in the front chamber, heating chamber, water cooling chamber and forcing cooling chamber; that all the air intake pipes are communicated and so do the air exhaust pipes. The present invention may be used to produce bright copper tube with inner surface of superhigh cleanness. The annealing furnace also has the features of low manufacture cost, low air consumption, low power consumption, high production efficiency and continuous production.

The invention discloses a method and a device for integrated utilization of natural gas pipe network pressure energy refrigeration and hydrate, wherein the method comprises the steps of carrying out shunting on the high pressure pipe network natural gas of a natural gas gate station; carrying out depressurization refrigeration on the natural gas which meets the instantaneous demand of urban pipe networks and storing the cold energy through cooling mediums; leading the depressurized natural gas to enter downstream urban pipe networks; leading another part of high pressure natural gas to enter ahydrate generation tower to generate natural gas hydrate slurry which flows into a hydrate storage tank for storage; using the cooling mediums in a low-temperature storage tank to provide cold energyfor the hydrate storage tank and the generation tower to generate the hydrate when in gas consumption trough; and heating to vaporize the hydrate in the storage tank for supplementing the downstreampipe networks when in gas consumption peak; and simultaneously applying the cold energy generated by the decomposition of the hydrate to cold water air conditioners and cold storages. The invention uses the natural gas pressure energy refrigeration to generate the natural gas hydrate, simultaneously applies the cold energy of the vaporization of the hydrate to air conditioners and cold storages, thus realizing the peak regulation function of the urban natural gas pipe networks and the electric network, and greatly improving the energy utilization efficiency.

The present invention relates to hollow plastic product forming process and device, and is especially gas assisted injection forming process for producing sheet type plastic product with structural rib board and the device, controllable flash chamber. The forming process includes at least: injecting molten plastic into inner cavity of mold, further injecting after filling the inner cavity to pressurize, controlling the piston of the flash chamber to withdraw some interval, introducing pressurizing gas to the molten plastic inside the cavity, pushing the molten plastic with the screw of the plastic injecting machine into the controllable flash chamber, controlling the gas pressure and piston shift to make gas enter to the relatively thick part inside the mold cavity, cooling plastic inside the mold cavity while controlling the piston shift, and making gas flow into inside of the plastic product to speed cooling. The present invention has the advantages of no shrinkage and crack in the thicker part of the product, high production efficiency, etc.

The invention relates to a steady hydrogen gas consumption detection system and a detection method thereof, belonging to the gas detection technical field. In the system, the main pipeline connected with the bottle valve of a high pressure bottle is mounted with a bottle mouth electromagnetic valve, a ferrule type joint, a detachable pipeline swirling valve, a primary road electromagnetic valve, a primary road manual valve, a first stage decompression valve, a safety valve, a second decompression valve, a flux controller and a flame arrester in turn. The method measures the weights before and after discharging the gas of the gas bottle, the temperatures and the pressures at the tail block of the gas bottle and the bottle valve, to obtain three hydrogen gas consumption value groups. The invention arranges a hydrogen bottle, a hydrogen gas bottle purging pipeline and a temperature pressure sensor in the bottle to improve measurement accuracy, comprises a filling pipeline to simply and directly fill gas into the high pressure gas bottle, and utilizes weighting method and counter weight calibration as reference, thus being convenient for the research on steady hydrogen gas consumption detection.

The invention discloses a control device and method applied to autonomous and stable navigation of a navigation body. A ring-shaped tail axial nozzle is arranged on the outer edge of the bottom end of the tail of the navigation body. A small-flow-quantity circumferentially-closed axial jet stream is formed through jetting, the ejecting effect of the formed axial jet stream can play a role in stabilizing periodic falling and breaking generated due to shrinkage of the tail of a supercavity, oscillation of the tail of the supercavity is prevented, gas leakage of the tail of the supercavity is reduced, and reduction of gas consumption during high-speed navigation of an aircraft is facilitated. In addition, the tail axial jet stream rather than a hard protrusion is used for stabilizing the supercavity, extra resistance is avoided, and high-speed navigation achieving supercavity drag reduction is facilitated.

The invention relates to a method for producing ammonia synthesis gas from coke-oven gas. The method comprises the steps of: by taking coke-oven gas subjected to dedusting, decoking and rough desulfurization as a raw material, firstly separating out hydrogen in the coke-oven gas for later use; respectively converting remaining high methane gas with vapor and air, further converting into conversion gas containing hydrogen and carbon dioxide after converting hydrocarbon gas into hydrogen and carbon monoxide; after removing carbon dioxide from the conversion gas, mixing the remaining gas from the separated hydrogen, and finally purifying through a terminal to obtain ammonia synthesis gas, wherein all operation units can be operated by a conventional mode. Compared with the conventional method in which pure oxygen or high oxygen is needed, with the method, the higher water vapor partial pressure and higher conversion rate can be obtained under the conditions of water vapor using the same water-air ratio and water-carbon ratio, the investment can be reduced, the utilization ratio of raw materials can be improved, the energy consumption and gas consumption can be remarkably reduced, and the economic benefits can be obvious.