59results about How to "Save energy costs" patented technology

The invention provides a ground routing inspection method and system for a transformer substation. The ground routing inspection method for the transformer substation comprises the steps that a navigation magnetic rail used for navigation of a routing inspection path is laid in the transformer substation, and a radio frequency identification ID card is arranged in a device to be inspected; a routing inspection robot is made to advance along the navigation magnetic rail, the device to be inspected is recognized through the radio frequency identification ID card, and video data of the device to be inspected are acquired through a camera shooting device of the routing inspection robot; the video data are transmitted to a remote monitoring end through a wireless bridge. According to the ground routing inspection method and system for the transformer substation, navigation and positioning of the routing inspection path can be achieved easily and accurately, the structure is simple, and cost is low.

A novel multifunctional wood-plastic composite material one-step method extruder is provided. A motor is connected with a twin-screw gear distribution box and a speed-adjusting speed-varying box respectively through a gear speed-varying box and an extending transmission shaft; the gear distribution box is connected with a twin-screw granulator; a material mixing device is connected with the twin-screw granulator through a twin-screw feeder; a master batch feeding device is connected with the twin-screw granulator; a connecting barrel is connected with the twin-screw granulator and a single-screw extruder; the single-screw extruder is connected with the speed-adjusting speed-varying box; all devices are connectedly arranged on a machine base. The extruder is mainly used for extrusion processing of a wood-plastic composite material and composite materials having similar properties, can also be used just for granulation, can complete production by the one-step method after raw materials are mixed, has high efficiency, and saves energy; the extruder completely avoids friction damage of screws and screw tubes, thereby improving the usage usefulness of equipment; the extruder allows extrusion processed products to have various wood imitation patterns; and the extruder can be applied to composite materials with various systems and much extrusion capacity.

The invention discloses an internet of things (IOT)-based visualization system for working conditions of electric forklifts. The system comprises a data obtaining module, a data preprocessing module,a data storing module, a chart drawing module and an interacting and displaying module. According to the system disclosed by the invention, the speed and the positions of the forklifts and the weightof transported goods are displayed in real time in a background dispatching center according to IOT data of operation states of the forklifts, which are transmitted to a server by a gateway; visual charts such as maps, columns, broken lines and the like of the use efficiency of the forklifts, the remaining amount of batteries, the speed change curves of the forklifts, the total traveling distancerecords and the like of every day, every week and every month are generated and displayed in real time by using the processed data; managers can master the working conditions of the forklifts in realtime and switch among different views according to the needs to comprehensively judge the working efficiency of the forklifts, predict and analyze the service life states of the forklifts and reasonably select allocating and scheduling schemes of tasks according to the workshop operation requirements; and therefore, finally, the service efficiency of the forklifts and the warehouse work efficiencyare improved and the service life of the forklifts is prolonged.

The invention belongs to the field of industrial water supply auto-control systems and provides an automatic adjusting method of water supply pressure. A pressure transmitter is mounted on a discharge master pipe of a water supply pump; a regulator is installed in a control room; a frequency converter is mounted in a pump control cabinet; an output signal of the pressure transmitter is connected to the input end of the regulator; the output signal subjected to constant pressure regulation by the regulator is connected to the input end of the frequency converter; output of the frequency converter is connected to a pump motor. A network pressure signal detected by the pressure transmitter is sent to a PID (proportion integration differentiation) regulator, a given pressure value is set in the regulator, actual pressure detected is compared with the given pressure value, a reverse mA value is output, the frequency converter is controlled to output proper frequency, running speed of the pump motor is changed, balance of water supply is adjusted, and constant pressure of a discharge network is achieved.

The invention provides a device and a method for biological denitrification of landfill leachate through SBR (Sequencing Batch Reactor) short-cut nitrification-SBBR anaerobic ammonia oxidation combined process (Sequencing Batch Biofilm Reactor), belongs to the technical field of biological denitrification, and is applicable to waste water with high ammonia nitrogen and a low carbon nitrogen ratio (C / N). The device provided by the invention is provided with SBR and SBBR. The SBR reactor is mainly used for a short-cut nitrification reaction, and hereinafter referred to as SBRSBNR; the SBBR reactor is mainly used for an anaerobic ammonia oxidation reaction, and hereinafter referred to as SBBRANAMMOX. The raw liquor of the leachate is mixed with SBBRANAMMOX effluent reflux at first and then fed into the SBRSBNR for denitrification; the raw liquor of the leachate can be diluted, and partial nitric nitrogen in water also can be removed by taking full advantage of the carbon source in the raw water. Next, the effluent of the SBRSBNR is further mixed with the raw liquor of the leachate, and fed into the SBBRANAMMOX for an anaerobic ammonia oxidation-denitrification synchronous denitrification reaction; consequently, synchronous removal of nitrogen and COD (Chemical Oxygen Demand) is realized. The system removal rate of COD is 91%, the removal rate of TN is greater than 97.5%, and the total nitrogen load of the SBBRANAMMOX is about 0.7 Kg TN / m<3>.

The invention discloses a water-soluble biodegradable cleaning agent and a cleaning application method of the water-soluble biodegradable cleaning agent. The water-soluble biodegradable cleaning agent comprises, by weight, 1%-15% of organic acid, 5%-20% of a surface active agent, 0.5%-1% of a stabilizer and 78%-79.5% of water. According to the cleaning application method of the water-soluble biodegradable cleaning agent, cleaning liquid containing the water-soluble biodegradable cleaning agent is used for ultrasonic cleaning of parts to be cleaned. According to the water-soluble biodegradable cleaning agent and the cleaning application method of the water-soluble biodegradable cleaning agent, the non-toxic food-grade biodegradable non-strong acid is adopted, the wetting performance, the permeability, the emulsibility, the dispersity, the capacity-increasing performance and the like of the water-soluble biodegradable cleaning agent are utilized, corresponding ultrasonic cleaning equipment is adopted in cooperation, under the mutual synergistic interaction of chemistry and machines, rust, oxides, polishing paste and all kinds of oil stains attached to the surfaces of metal, plastics and ceramics are washed away in a one-off manner; and in this way, traditional acid pickling technologies and the cleaning concept that oil removal, wax removal and oxide removal are executed separately are broken through, the cleaning process is shortened, time and energy are saved, cost is reduced, the safety of the environment and the safety of operators are guaranteed, and the effect of environment-friendly, efficient, energy-saving and safe enterprise production is achieved in real sense.

The invention discloses a highly glutinous liquid's revolving liquid loop pipe transport method and device. Through the first pump, loop liquid storage pot is connected with revolving liquid loop synthesizer in which there are two spiral laminas whose phase difference is 180 DEG C. Through the second pump, highly glutinous liquid's storage pot is connected with highly glutinous liquid inner pipe which is in the middle of the synthesizer. Exit end of the synthesizer is connected with exit pipe in which there is spiral lamina. Rotary motion is generated while the liquid loop is moving forward in the invention. Liquid loop with higher density always lies around inner wall of the pipe through centrifugal force field generated by rotary motion. On the contrary, oil phase with lower density lies in the center of the pipe for lesser centrifugal force. Adopting the invention, driver fee and plenty of fuel oil is saved. In the process of fluxion, liquid film at two phases' interface will not break up to beget two phase liquids' blend.

The invention provides an eleven-layer coextrusion runner system, which consists of a distributer, an adaptor and a three-runner die head; a runner converting valve is fixed in a main body hole on the top of the distributor; nine layers of runners are arranged in the distributer; the sixth runner is positioned in the center; and the other runners are grouped in pairs around the sixth runner and arranged in a cloth hanger shape from inside to outside in turn, wherein the first runner and the eleventh runner pass through the distributer and extend into the three-runner die head, and the first runner and the eleventh runner and other five groups of the runners are together converged to a die head compression section in the three-runner die head; and one side of the adaptor is connected with a main body of the distributer, while the other side is connected with the three-runner die head. The eleven-layer coextrusion runner system has eleven composite layers, is a runner system converted in different composite ratios, can solve the problem of monopoly position of oversea multilayer coextrusion high barrier film production lines on inland, and saves a great deal of energy and production cost for domestic food packing market.

The invention concerns a straddle carrier, which comprises a portal body (11), to which belong essentially vertical supporting pillars (13a, 13b), and an upper body (15) connecting them at the top and to which are mounted the necessary hoisting devices for hoisting and supporting containers (1, 2). On each side of the straddle carrier (10) at the lower end of the supporting pillars (13a, 13b) there are wheels (12) carrying the portal body (11), and in between both front and rear supporting pillars (13a, 13b) the straddle carrier's (10) transverse hoisting beams (20) are arranged for movement in the vertical direction as well as the necessary means for gripping containers (1, 2). The means for gripping containers (1, 2) comprise two container spreaders (16a, 16b), which are suspended from the hoisting beams (20) and are arranged in parallel in relation to the straddle carrier's (10) driving direction. The hoisting devices for hoisting and supporting containers (1, 2) comprise one common hoisting mechanism (18), which is connected through hoisting ropes (28a, 28b) or other such hoisting means to the hoisting beams (20) for handling parallel containers at the same time.

The invention provides a method for modifying a carbon fiber composite material by cryogenic treatment. The method is characterized by comprising the following specific steps: putting a carbon fiber composite material sample into a cryogenic treatment device with a cryogenic medium, closing a container and performing cryogenic treatment, wherein the treatment temperature is constant temperature and at -100 DEG C to -200 DEG C and the treatment time is 1h-15h; and increasing the temperature through a program for temperature returning or taking the sample out of the cryogenic treatment device for natural temperature returning after cryogenic treatment. As resin has a larger shrinkage rate than carbon fiber under cryogenic conditions, the cohesion pressure between the resin and fiber is increased and an interfacial effect is strengthened. Thus, the carbon fiber composite material has high tensile property, bending property, interlaminar shear property, wear resistance property and other comprehensive properties. The process method provided by the invention is simple, convenient to operate and pollution-free and has important practical significance and industrial application prospects.

The invention provides a light-emitting diode (LED) streetlight wireless energy-saving control system. The light-emitting diode streetlight wireless energy-saving control system comprises an LED streetlight monitor, subnet controllers and a monitoring center. The streetlight monitor is connected with an LED streetlight, a plurality of streetlight monitors keep in touch with corresponding subnet controllers through wireless protocol, and each subnet controller keeps in touch with the monitoring center through an intelligent network. The monitoring center comprises a data management module, a control panel module, a data base module, a user management module and a communication management module. The LED streetlight energy-saving control system based on a wireless sensing technology improves efficiency of streetlight management and efficiency of streetlight failure processing, reduces energy consumption of the streetlight, saves electric power, prolongs service life of an illuminating lamp, saves energy cost and illumination cost, simple to network, flexible to expand and high-efficient, convenient and fast to supervise.

The invention relates to industrial liquid ammonium nitrate which belongs to the technical field of nitrates and is characterized in that: the liquid ammonium nitrate is solution of ammonium nitrate, the ammonium nitrate content of the solution is 70 to 96 percent, and the solution also contains more than 10 percent of water. Compared with industrial solid ammonium nitrate in the prior art, the method has the advantages that: the technology is simple; work procedures of crystallization (granulation), packing, manual entrucking and the like are saved; the ammonium nitrate content is not required to be higher than 99 percent in evaporation, so energy consumption and manual expense are saved; tank vehicles used for road transportation have good sealing performance; and because the product comprises more than 10 percent of water, dangers are greatly reduced, and products of various concentrations can be provided according to the requirements of the customers.

The invention discloses a device and a method for treating ammonium nitrate wastewater by a biological method and belongs to the technical field of biological-process wastewater treatment. The device is provided with an anaerobic fermentation reactor SBR, a mixing tank, an upward-flowing anaerobic sludge bed reactor UAFB and a draining tank. By pH / ORP sensors installed in the mixing tank and the upward-flowing anaerobic sludge bed reactor UAFB, the addition amount of diluted nitric acid and fermentation solution and the processing load are optimized and controlled. According to the device and the method disclosed by the invention, a sequencing batch reactor and the upward-flowing anaerobic sludge bed reactor are creatively combined and used for treating industrial ammonium nitrate wastewater; sludge fermentation and denitrification are connected in series and coupled with anaerobic ammonia oxidation, so that sludge amount reduction and deep denitrification of the ammonium nitrate wastewater are both realized.

Production of 1,1,1,2-tetrafluoroethane and pentafluoethane simultaneously is carried out by taking chlorylene as raw material, reacting with Cl2 with anhydrous ferric chloride as catalyst to generate pentaline partly, reacting with HF with mixture of antimony chloride and anhydrous ferric chloride as catalyst to generate mixture of 1,1,1-trifluoride-2-chloroethane and 1,1,1,2-tetrafluoride-2-hydrochloric ether, reacting with HF at 200í½400íÒC and 0í½0.5Mpa with mixture of CrF3, AlF3, ZnF2 and MgF2 as catalyst to generate mixture of 1,1,1,2-tetrafluoroethane and pentafluoethane, separating, washing, alkali washing, dewatering, rectifying and drying to obtain 1,1,1,2-tetrafluoroethane and pentafluoethane.

The invention discloses a preparation method of cyan cigar-coated tobacco, and the cyan cigar-coated tobacco prepared by the preparation method disclosed by the invention has the characteristics that(1) the color of the tobacco is changed from light yellow green, light cyan, cyan to dark cyan, the oil content of the tobacco is better, the integrity is good, the veins are finer, and the leaves aresmooth, and the use conditions of the cigar-coated tobacco are met; (2) through sensory quality identification, the cyan cigar-coated tobacco is good in aroma quality, sufficient in aroma amount, soft and fragrant in aroma, small in irritation and low in miscellaneous gas amount, has unique fruity faint scent, has slight pepper flavor, wood flavor and grey tobacco ash, and meets the use requirements of products; and (3) the tobacco leaves are added into the product formula design, the cyan cigar-coated tobacco prepared by the method is used as the product cigar coating, the appearance meets the design requirement, the fresh and wood fragrance is brought to the whole new formula, the cigar coating tobacco leaves with new colors are provided for the production of domestic cigars, and the product style is enriched.

The invention discloses a deep diffusion process for manufacturing diodes. The deep diffusion process for manufacturing the diodes mainly includes the steps of original silicon wafer cleaning, phosphorus paper arrangement, boron coating, double-faced sand blasting, cleaning prior to nickel plating, primary nickel plating, alloy and secondary nickel plating, and is characterized in that boron liquor ratio in the boron coating procedure satisfies that the ratio of glycol ether to diboron trioxide is 10:4, and a high-temperature diffusion procedure is added between boron coating and double-faced sand blasting. The deep diffusion process for manufacturing the diodes saves power cost and labor cost, and performances are improved obviously.

The invention relates to the field of lightweight of automobiles, and relates to an elastic plate, in particular to a basalt fiber fabric composite automobile plate spring and a preparation method thereof. The basalt fiber fabric composite automobile plate spring consists of the following components in percentages by weight: 30-40% of polyurethane modified epoxy resin and 60-70% of a basalt fiberfabric. The provided basalt fiber fabric elastic composite automobile plate spring has the characteristics of high mechanical strength, no cracking, wide used temperature range, flame retardance, no smoke, ultraviolet resistance, weather resistance, chemical corrosion resistance and good moisture resistance, and meanwhile has the advantages of reasonable structure and low density. Compared with atraditional steel automobile plate spring, the basalt fiber fabric composite automobile plate spring has the advantages that the weight can be reduced by 60-70%, and the basalt fiber fabric compositeautomobile plate spring is suitable for a lightweight arc-shaped automotive composite plate spring.

The invention relates to an aqueous organosilicon modified acrylic acid primer-topcoat vehicle axle coating and a preparation method thereof. The vehicle axle coating is prepared through mixing a component A with a component B according to a ratio of 1:1; the component A comprises, by weight, 15-20 parts of deionized water, 3-5 parts of a dipropylene glycol methyl ether solvent, 0.5-1 part of a wetting agent, 0.5-1 part of a leveling agent, 15-20 parts of polyamide resin, 50-60 parts of an aqueous color paste, 0.5-1 part of an antifoaming assistant, 1-2 parts of an aqueous low-shear thickening assistant, 1-2 parts of an aqueous middle-shear thickening assistant and 0.5-1 part of an aqueous high-shear thickening assistant; and the component B comprises, by weight, 80-85 parts of an aqueous organosilicon modified acrylic emulsion, 3-5 parts of Texanol, 3-5 parts of an adhesion promoter, 5-10 parts of deionized water and 0.5-1 part of an antifoaming agent. The aqueous acrylic emulsion undergoes organosilicon and epoxy grafting modification, so the aqueous organosilicon modified acrylic acid primer-topcoat vehicle axle coating has improved resistance to water, chemicals and weather, and has excellent corrosion resistance.

The invention provides cellulose pulp pretreatment equipment, which comprises a vertical stirring kettle. A kettle cover is arranged above the kettle body, a motor is disposed on the kettle cover and is connected to a stirring shaft, and the stirring shaft extends into the kettle body and is provided with stirring paddles. A porous pressing plate is disposed above the stirring paddles in the kettle body and is equipped with a center through hole, and the stirring shaft runs through the center through hole. The porous pressing plate matches with the kettle body cross section. The porous pressing plate is equipped with a plurality of holes, and can move up and down in the kettle body. According to the invention, the porous pressing plate can complete the technological requirements of pressing the pulp into a solvent. Pulp impregnation solvent swelling, mixing and pulping are finished in one kettle, equipment investment and engineering investment are saved, the manufacturing, energy consumption and management costs are saved, and the cellulose pulp pretreatment process is shortened.

The invention provides a stereoscopic green cultivation system comprising a supporting seat on the bottom, a plurality of cultivation stand columns, a driving device and a water circulating system. The plurality of stand columns are in a structure with opened upper and lower parts and installed on the supporting seat and axially rotate along the cultivation stand columns; the cultivation stand columns are distributed on the periphery of the supporting seat in an even way; the cultivation stand columns are provided with a plurality of cultivation grooves; the driving device is mounted on the tops of the plurality of cultivation stand columns and drives the cultivation stand columns to rotate; and the water circulating system is communicated with the cultivation stand columns. Space can be utilized to the largest extent; plants in each cultivation groove can be thoroughly illuminated; production efficiency can be further improved; the stereoscopic green cultivation system is provided with a water circulating system, so nutrient solution and water in the cultivation stand columns can be recovered and reutilized; and production energy and production cost can be further reduced.

The invention relates to a method for efficient running under full load rate and a separate unit type air conditioner. The method is characterized in that the separate unit type air conditioner is adopted and is provided with a plurality of compressor structures, the method that large compressors and small compressors are matched is adopted, and the compressors are set to be in different refrigerating capacities; for a double-compressor unit, the refrigerating capacities of the compressors are different; for a unit with more than two compressors, at least two kinds of compressor heads of different refrigerating capacities are provided; and the mode that the refrigerating capacities of the compressors are controlled respectively is adopted, the unit cold quantity proportions of all the compressors are determined through the characteristic of the refrigerating performance of the compressors and the characteristic of the annual cold load of an air conditioner system, and the determining principle is to keep each single compressor running under the high energy efficiency ratio and high load rate as much as possible. Through matching of the large compressors and the small compressors, the efficiency of the unit can be improved in the whole cold supply period.

A feeding device with swing arms and guide rails matched and for a bag making machine comprises a support. A pair of rubber rolls is arranged on the support, wherein a rubber roll shaft of one rubber roll is in transmission connection with a rubber roll driving motor installed on the support through a synchronous belt mechanism. The feeding device is characterized in that the rear end of the support is hinged to one ends of the pair of swing arms through a driving shaft, and the other end of each swing arm is provided with a groove with an upward opening; the guide rails inclining upwards and backwards are arranged on the back of the upper portion of the support, and the heights of the rear ends of the guide rails correspond to those of the grooves in the swing arms; the driving shaft is rotatably connected with the support and fixedly connected with the swing arms, and one end of the driving shaft is in transmission connection with a swing arm driving motor installed on the support through a gear transmission mechanism; two rolling wheels matched with the grooves in the swing arms and the guide rails are arranged on a raw material shaft. The feeding device has the beneficial effects that labor is saved during material loading, energy consumption is low, energy is saved, production cost is reduced, and the structure is simplified.

The invention is suitable for the technical field of machine room energy saving, and provides an intelligent efficient machine room energy-saving algorithm model of a central air-conditioning system, comprising: an energy consumption model of a water chilling unit, the energy consumption model of the water chilling unit being used for calculating energy efficiency ratios of the water chilling unit under different operation conditions; an energy consumption performance model of the chilled water pump, wherein the energy consumption performance model of the chilled water pump is used for calculating the energy consumption of the chilled water pump under different operation conditions; and a heat and humidity exchange model of the cooling tower, wherein the heat and humidity exchange model of the cooling tower is used for calculating operation parameters of the cooling tower under different operation conditions. Algorithm models are established for related equipment such as a water chilling unit, a chilled water pump, a cooling water pump and a cooling tower of each refrigerating machine room, manual starting and stopping are conducted on a remote interface, state parameters are monitored, the frequency is automatically controlled according to a chilled water temperature difference set value obtained through an optimization algorithm, the number of the equipment is automatically increased and decreased, and it can be guaranteed that the whole system is safe, reliable and capable of saving energy.

The invention relates to the field of filtering materials, and discloses a filtering material capable of releasing ecological negative ions and a preparation method thereof. A main body of the filtering material is an air or water body filtering substrate which is loaded with nanometer negative ion powder and is made of a macromolecular material. The preparation method comprises the following steps of (1) mixing negative ion powder, an inorganic dispersant and deionized water, and grinding at high speed, so as to obtain stable dispersing liquid containing the nanometer negative ion powder; (2)adding the stable dispersing liquid into a water-based adhesive, stirring at high speed, and emulsifying, so as to obtain an opened-pore water-based adhesive emulsion containing the nanometer negative ion powder; (3) adopting a gap type spot-spray flow technology, and performing scattering type spot-spray flow operation on the filtering substrate multiple times, so as to obtain the filtering substrate loaded with the nanometer negative ion powder; (4) curing the filtering substrate, so as to obtain the filtering material. The filtering material has the advantages that the immobilizing property is efficient, the load is not liable to fall off, and the release amount of ecological negative oxygen ions can reach 25000 per square centimeter.

The invention discloses a super-strong high-tenacity sandwich plate with an orthotropic structure and a preparation process of the super-strong high-tenacity sandwich plate, wherein the super-strong high-tenacity sandwich plate is formed by cementing an upper face plate, a lower face plate and a ripple core plate; the upper face plat and the lower face plate are stainless steel plates; the ripple core plate is a high-strength hot forming steel plate which is formed by roller pressing or formed by mould pressing, has a plurality of strength grades, and is heated to be completely austenitized and quenched to achieve martensite phase transformation; the tensile strength of the ripple core plate is 1300-1600MPa; the height of the ripple core plate is 32-100mm; the thickness of the ripple core plate is 1.0-4.5mm; the wave pitch of the ripple core plate is 49-156mm; the thickness of the upper face plate is 2.0-10mm; the thickness of the lower face plate is 1.0-10mm; the height of the sandwich plate is 35-120mm; the width of the sandwich plate is 200-3000mm; the length of the sandwich plate is 1000-10000mm. The super-strong high-tenacity sandwich plate with the orthotropic structure, disclosed by the invention, has the advantages of low cost, strong plate anticorrosion durability, high bonding strength and toughness and the like and has the relatively high superiority in aspects such as light weight, mechanical property and cost.

The invention relates to an automatic telescopic water spraying device. A main body of the automatic telescopic water spraying device is buried under the ground surface, a cover plate of a protectionbox is flush with the ground surface, when sprinkling irrigation starts, a first-stage telescopic pipe and a second-stage telescopic pipe sequentially extend out of the ground, and a spray head at theupper end of the second-stage telescopic pipe extends out of the ground surface for sprinkling irrigation; and after sprinkling irrigation is completed, the second-stage telescopic pipe and the first-stage telescopic pipe sequentially retract to the underground from the ground surface, the cover plate of the protection box is closed, the whole device retracts to the position below the ground surface again. The device drives the two telescopic pipes to ascend and descend through the pressure of water, and an extra driving device is not needed, so that energy and equipment cost are saved; and in addition, the device has the structural characteristics of rising and retracting after irrigation, so that the defect that a plastic pipe at the lower end of a traditional spray head is prone to bend and incline is overcome, redundant supporting devices do not need to be arranged, high-quality sprinkling irrigation is guaranteed, and water resources are saved.

A separating-coupling process for the circulating multi-phase catalytic reaction features that the mixture of catalyst and ionic liquid flows with the liquid phase in the reactor, where the catalytic reaction on reactant takes place, while the reactant, resultant, catalyst and ionic liquid are separated from each other. Its advantages are high reaction efficiency and easy separation.

The invention discloses an inflating thermal-expansion forming method for a titanium alloy panel. A forming tool is of a group of upper and lower thermal forming dies with the same-sized notches, a gas inlet, a vent, two titanium alloy panel blank materials needing to be formed, a gas source, a gas source control cabinet, a high-temperature furnace and a detecting container are respectively arranged at the bottom of the forming cavity of the forming dies; the inflating quantization and visualization of an expansion process are realized, and the forming difference of parts is reduced.

A method for removing off accumulation of nitrogen oxide in oxygenerator includes stopping output of gas and liquid product from oxygenerator, opening certain valves and closing certain valves, leading in dried and normal-temperature compressed air to demethane tower from top and bottom of demethane tower then carrying out mono-block heating on demethane tower.

The invention discloses a road sweeper, which is provided with a chassis frame on the axles of a pair of front wheels and a pair of rear wheels. The front end of the chassis frame is provided with a cab and an engine that is connected with the axles of wheels. The rear part of the chassis frame is provided with a cleaning mechanism. Two sides of the chassis frame at the back of the cab are provided with two rolling wheels, between which a rolling axle is installed. Two ends of the rolling axle are mounted in the bearing seats on the chassis frame. The part between the two rolling wheels is sheathed with a rubber belt provided with a broom. A transmission mechanism is provided with an output shaft that is connected with a rolling axle through a belt pulley and a belt. The belt is provided with a belt tensioning mechanism. The front and rear sides of the upper part of the chassis frame are provided with fixing screw barrels. The four fixing screw barrels are all internally provided with adjustment screws. Each adjustment screw is provided with a handle wheel at the upper part. The lower end of each adjustment screw is connected with the bearing seat, the bottom of which is provided with the rolling axle. The invention has the advantage of providing a road sweeper with low production and running cost, simple structure, and convenient use, which can be widely applied to fast cleaning road surfaces of various wild highways.