477results about How to "Save gas" patented technology

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 discloses a combustion heating control device and method used for a gas water heater. The combustion heating control device comprises a water inlet pipe, a heat exchanger, a water outlet pipe, a heater and a control module. An air inlet pipe, a gas pipe and an exhaust pipe are arranged on a shell of the heater. An isolating and mixing bin and a combustion bin are arranged in the shell. A water inlet flow sensor and a water inlet temperature sensor are arranged on the water inlet pipe. A water outlet temperature sensor is arranged on the water outlet pipe. A vortex draught fan, an air proportional valve and an air flow sensor are arranged on the air inlet pipe. A gas proportion valve is arranged on the gas pipe. A tail gas temperature sensor and an air pressure sensor are arranged on the exhaust pipe. An igniter and an oxygen sensor are arranged in the combustion bin. The control module is connected with all the sensors, the vortex draught fan, the air proportion valve, the gas proportion valve and the igniter. An energy-saving control method of the combustion heating control device is included. The combustion heating control device has the advantages of being sufficient in gas combustion, low in manufacturing cost, concentrated in heat, and capable of saving gas, reducing carbon dioxide emission and reducing carbon monoxide poisoning.

The invention relates to a blowing type gas water heater constant temperature control method, which is characterized in that after the water heater is successfully ignited, a controller calculates the current thermal load Q according to the water flow V, water inflowing temperature T0, water outflowing temperature T1 set by a user, calculates and controls the air quantity S output by an air flower according to the thermal load Q, guarantees the flame not to be blown out, and causes the heater to work when the gas supply is low. The blowing type gas water heater constant temperature control system comprises a central controller, the air blower, a gas proportional valve, an igniter, a water flow sensor, a water inflowing temperature sensor and a water outflowing temperature sensor; after the igniter is successfully ignited, the controller calculates and controls the air quantity S output by the air blower according to the thermal load Q; when the real water outflowing temperature T11 is less than the set water outflowing temperature T1, the controller controls the gas proportional valve to increase the openness of the valve thereof and the air demand of the gas passage so that the real water outflowing temperature T11 reaches the set water outflowing temperature T1. The invention causes that the heater can work when the gas supply quantity is low, can rapidly recover the constant temperature state when the gas supply quantity recovers, thus being convenient for users to use.

The invention provides a waste heat utilization-containing active carbon thermal desorption method. The method comprises the following steps: adsorbing sulfur oxides, nitrogen oxides and other pollutants in the active carbon adsorption tower of a desulphurization and denitration device by active carbon; allowing blast furnace gas or coking coal gas to flow through a heat exchanger in order to be preheated, conveying the preheated gas to the combustion chamber of a heating furnace, combusting the preheated gas, allowing high temperature hot wind (G0) discharged from the combustion chamber to flow through one temperature adjusting zone of the tail portion of the heating furnace to undergo temperature adjustment and become cooled hot wind (G1), conveying the hot wind (G1) to the heating zone of a desorption tower to desorb the active carbon, and discharging further cooled hot wind (G1') from the heating zone. Parts of the hot wind (G1') are used in preheating of the blast furnace gas or coking coal gas in the heat exchanger. Parts of the cooled wind (G2') discharged from the cooling zone of a desorption tower are used to carry out gas sealing of raw flue gas baffle plates, purified flue gas baffle plates and bypass baffle plates arranged in the whole desulphurization and denitration device. The invention also provides an active carbon desorption apparatus.

The invention discloses a Fenton and air-float integral water disposal method, which comprises the following steps: adding Fenton agent into armed waste water; setting mass ratio of hydrogen dioxide solution of Fenton agent against COD of armed water at 0.3-3:1; reacting at 0.5-5 h; using alkality material to adjust Fenton agent armed water pH value at 6-10; proceeding floating treatment; setting air-float air-solid ratio at 0.03-0.06, surface loading at 7-15m3/m2.h and stopping time at 10-40 min; removing floating contaminant and most of dissolving organic contaminant.

The invention relates to a modified terylene/chinlon/spandex multi-component seamless underwear one-bath-process dyeing technology, and belongs to the technical field of knitting product dyeing process. The technology comprises the following steps of: putting a modified terylene/chinlon/spandex multi-component seamless underwear into a dyeing cylinder; feeding water and adding an additive and dye, and carrying out one-bath, refining and deoiling, and dyeing the modified terylene/chinlon/spandex; and then carrying out hot water rinsing, soaping and water rinsing, wherein the modified terylene/chinlon/spandex is soft. According to the invention, the dyeing process is shortened effectively, the dyeing time is shortened, the production efficiency is improved, and pollution discharge is reduced.

The invention relates to the semi-coke dry-quenching equipment of a vertical internally-heated hollow carbonization furnace, which consists of coke supporting plates, spray pipes/coke push rods, a large quenching groove, a buried scraper conveyor, a pressure adjustment valve, a first semi-coke cabin, a first switch, a second coke cabin, a second switch and a belt conveyor, wherein the porous spray pipes are arranged on the two sides of each semi-coke pile between each coke discharge opening and the corresponding coke supporting plates respectively, and each spray pipe is provided with an automatic control device; the coke push rods are arranged above the corresponding coke supporting plates; the large quenching groove is arranged below the coke supporting plates, and is provided with the pressure adjustment valve; the buried scraper conveyor is arranged at the bottom of the large quenching groove, and is connected with the first semi-coke cabin; the bottom end of the first semi-coke cabin is connected with the second semi-coke cabin; the bottom end of the first semi-coke cabin is separated from the second semi-coke cabin by the first switch; and the bottom end of the second semi-coke cabin is provided with the second switch, while a lower part is provided with the belt conveyor. The equipment simultaneously sprays water to red-hot carbonized semi-coke with the two spay pipes on the two sides of the coke supporting plate, generates steam after the water spray to quench the semi-coke and scrapes the quenched semi-coke out of the sealed large quenching groove with the buried scraper conveyor and the semi-coke has a water content about 8 percent, which saves a conventional drying procedure. For example, on a 75,000-ton semi-coke production line, about 44 m<3> water is saved every day, coal gases are saved and air pollution is reduced.

The invention relates to a mach number controller in a wind tunnel with higher characteristics and flow field precision. Firstly, a fuzzy control method with self-adjusting factors is adopted to control the mach number of the air stream in the test section of the wind tunnel in the starting stage of the test of the wind tunnel, when the actual mach number Ma of the air stream in the test stage is not more than 3 DeltaMW, a PID control method is adopted to control the mach number of the air flow in the test stage; secondly, when an industrial PC (personal computer) judges that the actual mach number Ma is within the DeltaMW for five successive times and an attack angle of the test model is in place, namely, the condition of the test model is arranged in the preset condition, the industrial PC acquires a plurality of air power parameters acted on the test model by a data acquisition circuit; , the test model is controlled to be changed to the next attack angle, and/or the air stream in the test stage is controlled to be changed to the next mach number, and the control of the mach number and the acquisition process of the air power parameter data are repeated.

The invention discloses an online rapid leak detection method for a fuel gas valve. Appropriate trace gas is selected and the certain pressure difference of the two sides of the valve can be maintained, moreover, trace gas is added into one side of the valve; the other side of the valve collects and enriches trace gas; an appropriate method is selected to detect the trace gas; the detected result is adopted to determine whether the valve has inner leakage or not. The method of the invention has high accuracy and sensitivity, when in the inner leakage detection of the valve, gas stopping and fuel gas discharging cannot be conducted, with safety, environmental protection, energy saving, time saving and fuel gas saving; the invention can effectively improve implementation frequency and increase the safety of fuel gas production, transmission and distribution as well as gas utilization by the user; moreover, the invention can match with a vehicle-mounted gas chromatographic instrument and realize the complete, continuous and systemic detection of the whole fuel gas transmission and distribution system.

In an embodiment, a portable pulley training system includes a cable having a first end and a second end, a first handle adapted to the first end of the cable to enable a first user to control movement of the cable, the second end of the cable configured to be coupled to a resistance element, a pivot pulley to be moveably adapted about the cable at a first location between the ends, an anchor pulley to be moveably adapted about the cable at a second location between the first location and the second end, a first retention member associated with the pivot pulley to control positioning of the pivot pulley, the first retention member configured to be controlled by a second user, and a second retention member associated with the anchor pulley to control positioning of the anchor pulley with respect to an anchor point.

The invention relates to a continuous needleless injector pressurized by a reducing cylinder. The continuous needleless injector is provided with a power air source, a liquid medicine storing device, a cylinder assembly, an air pressure reducing and regulating valve (2), a trigger (10), a ring (9), a handle (11), a cylinder action control valve, a liquid plunger pump and a micropore jet flow spraying nozzle, wherein the air pressure reducing and regulating valve (2), the trigger (10), the ring (9) and the handle (11) are externally connected with the power air source. The cylinder assembly is a reducing step-shaped cylinder assembly, and all of parts except the power air source and the air pressure reducing and regulating valve are integrally installed on a cylinder body (6) in the reducing step-shaped cylinder assembly to form an integrated handheld instrument. The continuous needleless injector pressurized by the reducing cylinder has the advantages of being light in holding, simple in operation, air-saving and capable of automatically filling liquid medicine and can accurately and quantitively inject liquid medicine into a human body and an animal body in a high-pressure liquid column jet flow mode.

The invention discloses a remote control system for an access control system. The method comprises the following steps: setting a communication module supporting a wireless mobile communication network by using client software installed in a mobile phone, realizing remote control of a mobile communication terminal on the access control system by utilizing the cloud service function based on the 4G wireless mobile network, transmitting on-site real-time video images to the mobile phone, and confirming the applicant information. According to the method, bidirectional real-time transmission between the video and switching value is realized, and the defects that only the door can be opened and the on-site videos cannot be seen or only the on-site videos can be seen and the door cannot be opened in the conventional application are overcome, so that the system provides a perfect solution for accessing remote unattended substations and warehouses.

A measurement device of apparent viscosity on semisolid metal is prepared for setting a heating furnace on body-frame, erecting rotatable graphite crucible in heating furnace and arranging graphite head on the same shaft with crucible in crucible cavity, setting fixed shaft connected with graphite head through thread on body-frame, setting torque transducer and spacing ledge on fixed shaft, arranging protection gas vent unit at top of heating furnace cavity and using data collection card on computer host board to record torque voltage signal.

The invention provides an activated carbon thermal desorption method capable of utilizing afterheat. The method comprises the following steps: adsorbing pollutants, such as sulfur oxide and nitrogen oxide by activated carbon in an activated carbon adsorption tower of a desulfurization and denitration device; when air is conveyed to an air inlet of a combustion chamber of a heating furnace through a combustion-supporting fan, conveying blast furnace gas or coke oven gas into the combustion chamber for combusting after the blast furnace gas or the coke oven gas flows through a heat exchanger and is preheated, wherein high-temperature hot gas G0 (at about 1,100 to 1,900 DEG C) exhausted from the combustion chamber flows through a temperature adjustment area at the tail part of the heating furnace and is subjected to temperature adjustment to become cooled hot gas G1 (at about 400 to 500 DEG C), then the G1 is conveyed to a hot gas inlet of a heating area of a desorption tower through a pipeline, the hot gas G1 performs indirect heat exchange with the activated carbon so that the activated carbon is desorbed and regenerated, and further cooled hot gas G1' (at about 280 to 350 DEG C) is exhausted from the heating area; and preheating the blast furnace gas or the coke oven gas in the heat exchanger by using part of the hot gas G1'. The invention also provides an activated carbon resolution device.

The invention relates to the technical field of fabrics, and provides a manufacturing method, having low dye consumption, small environment pollution and small waste water discharge, of an anti-biotic and anti-static yarn dyed fabric. The method comprises the following steps that (1) raw materials are selected; (2) dying is conducted, wherein chitin fibers, white cotton fibers and short chemical fibers are dyed by color master batches; (3) blended yarns are manufactured; (4) mercerization is conducted; (5) warping weaving is conducted; (6) fabric weaving is conducted; (7) anti-biotic finishing is conducted, wherein quaternary ammonium salt solution with the percentage concentration being 15%-18% is prepared, the fabric obtained in the step (6) is dipped in the quaternary ammonium salt solution, the bath ratio is 3:1-6:1, and the dipping time is 40 min-50 min; drying is conducted after dipping, temperature ranges from 65 DEG C to 75 DEG C, and time ranges from 15 min to 30 main; (8) post-finishing is conducted. The fabric manufactured in the method is good in anti-biotic effect, has moisturizing and dry-preventing functions, and does not generate static easily.

The invention discloses a method for preparing active dye detergent based on chitosan/gelatin composite material, which solves the problems of unsatisfactory cleaning effect, impact on environment and the like of the conventional surfactant-based detergent. The method comprises the following steps: aqueous phase solution preparation: dissolving chitosan in acetum to obtain chitosan solution; dissolving gelatin in water to obtain gelatin solution; and then uniformly mixing the chitosan solution and the gelatin solution; emulsion preparation: slowly adding the chitosan solution/gelatin solution into the mixture of liquid paraffin and emulsifier; stirring at normal temperature for emulsification; cross-linking/curing: adding glutaraldehyde solution dropwise in the emulsion and heating gradually to enable cross-linking/curing of microspheres; and post-processing: repeatedly flushing the obtained product by using an organic solvent and then putting the flushed product in an oven to dry to obtain the product.