224 results about "Gas supply equipment" patented technology

The invention discloses a building information total management system and method. The system comprises a fire control linkage monitoring unit, a public infrastructure monitoring unit, a security monitoring unit, a water and gas leakage monitoring unit, an environment quality monitoring unit, a management controlling unit, a core processing unit and an alarm managing unit, wherein the fire control linkage monitoring unit is used for obtaining smoke and fire detection information; the public infrastructure monitoring unit is used for obtaining working state information of public infrastructures; the security monitoring unit is used for obtaining monitoring data of security monitoring equipment; the water and gas leakage monitoring unit is used for obtaining detection information for representing water/gas leakage of water/gas supply equipment; the environment quality monitoring unit is used for obtaining environment quality detection information; the management monitoring unit is used for receiving a control command of a user and sending the control command to the core processing unit; the core processing unit is used for forwarding the detection information of the monitoring/detection unit and alarm information to the management monitoring unit and forwarding the control command of the management controlling unit to an appointed monitoring/detecting unit to control corresponding building equipment to operate; and the alarm managing unit is used for selecting an alarm mode according to the event grade of the alarm information.

An air lift optical bioreactor of the alga is made up of cultural tank, water treatment, light equipment, gas-supply equipment. The bioreactor has the simple structure and is easy to manipulate. Also we can get the culture the alga the whole day.

The invention relates to a vacuum pump testing system and method. The vacuum pump testing system comprises first and second vacuum chambers, first and second pressure testing systems, gas supply equipment, first and second gas pumping equipment, gas flow testing and controlling equipment and first and second temperature control equipment, wherein the first and second vacuum chambers are used for being connected with an air suction inlet and an air exhaust outlet of a pump chamber to be tested correspondingly, the first and second pressure testing systems are used for measuring the pressure ofthe first and second vacuum chambers correspondingly, the gas supply equipment provides gas for the first and second vacuum chambers, the first and second gas pumping equipment pumps gas from the first and second vacuum chambers correspondingly, the gas flow testing and controlling equipment is used for measuring and controlling the gas flow of the first vacuum chamber, and the first and second temperature control equipment controls the temperature of the first and second vacuum chambers correspondingly. The vacuum pump testing method is applied to the vacuum pump testing system. The vacuum pump testing system and method can provide pressure, flow and temperature controllable testing environment, can simulate the gas pumping states of a vacuum pump under different conditions, and can be used for testing gas pumping performance of different kinds of vacuum pumps.

The invention relates to a spiral type fermentation turner which is applied to an aerobic fermentation process of various organic materials including fertilizers, feeds and foods, and realizes forcedventilation oxygen-increasing operation of the materials simultaneously when turning and stirring the fermentation materials. The spiral type fermentation turner comprises a walk device arranged on astand of the spiral type turner, turning and stirring devices and a forced ventilation oxygen-increasing device and is characterized in that one or more rows of turning and stirring devices are installed below the stand, tow rows of branch ventilating pipes which extend into the bottom of the fermentation materials are vertically and symmetrically installed at the axial line position in the middleof two adjacent turning and stirring devices in the same row, and gas supply equipment is connected with the branch ventilating pipes through a main ventilating pipe. When turning and stirring the fermentation materials, the spiral turner can ensure true realization of forced ventilation and oxygen increasing to the materials, increase the smoothness and the safety of walking of the turner, enable the fermentation period to be shortened by over 70 percent and the turnover rate of a fermentation workshop to be enhanced by over 50 percent, also lower the energy consumption in the fermentation and production process by over 50 percent and dramatically enhance the economic benefit of an enterprise.

The invention discloses a reinforcement process method for pile bottom sediment removal of a pouring pile. The reinforcement process method comprises the following steps: forming at least one sediment removal hole in the top of a pile body, and ensuring that the sediment removal hole extends to a pile bottom sediment layer; installing sediment removal equipment in place, stretching a water tube and a gas tube from the sediment removal hole and enabling tube orifices to approach to a hole bottom position; starting water supply equipment, and carrying out high-pressure water jetting on the pile bottom sediment layer through the water tube to complete primary sediment removal treatment; starting gas supply equipment, charging a high-pressure gas in the pile bottom sediment layer and carrying out the high-pressure water jetting on the pile bottom sediment layer through the water tube and the gas tube, and completing secondary sediment removal treatment through the double processes of high-pressure water jetting and gas lift circulation; pulling away the water tube and installing a grouting tube in situ, starting grouting equipment and the gas supply equipment simultaneously, and carrying out reinforcement treatment on the pile body through a gas-injecting and grouting method; and stopping the equipment when a grout overflows from the orifice of the sediment removal hole. The reinforcement process method disclosed by the invention is capable of realizing efficient and thorough elimination for pile bottom sediments, good in sediment removal effect, and capable of increasing the structural strength of the pile body, meeting safety indexes, and meeting the requirements of construction technical indexes.

The invention discloses a high-low-temperature box penetrating shaft gas sealing device and application, and particularly relates to a sealing device suitable for a space environment simulation box penetrating shaft of spaceflight ground simulation equipment. The gas sealing device comprises a transmission shaft, a gas sealing sleeve, a gasket, a gas sealing flange, a high-low-temperature box and gas supply equipment. The gas sealing sleeve, the gasket and the gas sealing flange are installed on the transmission shaft (1) in a sleeving mode. The transmission shaft penetrates through the high-low-temperature box and is connected with the equipment in the box, and the gas supply equipment is connected with an input hole of the gas sealing sleeve through a gas conveying pipe. The gas sealing device has the advantages of being simple in structure, and ensuring the dew point temperature in the high-low-temperature box and the cleanness, friction is avoided, and pollution to the environment box is avoided; meanwhile, the gas sealing device can be used for sealing a rotating shaft and an axial moving shaft, the rotating speed and the axial moving speed of the transmission shaft are not limited, and the gas sealing device can seal the transmission shaft of axial motion, and is suitable for gas sealing of various speed processes from the low speed to the high speed.

The invention discloses an in-situ mechanical mixing nitrogen-supply integrated lake reservoir water quality improving device which comprises rising barrel devices, a discharge barrel device, a venturi gas inlet device and a motor driving device, wherein blades are driven through the motor to rotate to generate an upward lifting force, then water at the bottom sequentially flows through the rising barrel at the lower part, the rising barrel in the middle part, a reduced tube, an aeration chamber and an effluent barrel device, so as to mix the water on the upper layer and the lower layer of a lake reservoir; a certain negative pressure is generated because of rapid flowing velocity at the reduced tube, because of the venturi principle, air is sequentially sucked into the reduced tube through the air inlet tube and flexible hoses, and enters the aeration chamber together with the water flow from the rising barrels; the water supplied with oxygen enters the external water body through the discharge device of the discharge barrel. According to the in-situ mechanical mixing nitrogen-supply integrated lake reservoir water quality improving device disclosed by the invention, key and significant units for supplying and mixing nitrogen are arranged on the surface layer of the water body, and no complex gas supply equipment or underwater pipeline system is used, so that the device is convenient to use and maintain, and the investment and operation cost in improving the water quality in situ is lowered.

The invention relates to gas supply equipment for leading a gas to a process cavity of a plasma enhanced chemical vapor deposition system. The gas supply equipment at least comprises a gas inlet tube, a process gas tube, a clean gas tube, a remote plasma source and a regulating valve, wherein the gas inlet tube enters the process cavity from outside; the remote plasma source is connected with a clean gas source; the clean gas tube is connected with the gas inlet tube and the remote plasma source and used for inputting a clean gas into the gas inlet tube from the remote plasma source; the process gas tube is connected with the gas inlet tube and a process gas source and used for inputting a process gas into the gas inlet tube; and the regulating valve is arranged in the gas inlet tube and used for closing a passage positioned between the clean gas tube and the gas inlet tube to prevent the process gas from entering the clean gas tube when the process gas is led into the process cavity.

The on-line mixed gas-supplying equipment for magnesium alloy smelting protection mainly is formed from two portions of stand-by gas circuit and mixed gas circuit, said mixed gas circuit mainly includes nitrogen gas supply circuit, SF6 gas supply circuit, mixing tank respectively connected with the above-mentioned two gas circuits and output pipeline. In the nitrogen gas supply circuit and 5F6 gas supply circuit the mass flow detection controller, pressure regulating valve and pressure sensor are respectively set, and on the output pipeline of mixing tank the mass flow detection controller and pressure sensor are also set, the above-mentioned detection controllers, pressure sensors and pressure regulating valve are connected with computer monitoring system by means of data signal wire.

The invention relates to a device for preparing fuel salt of a molten salt reactor. The device comprises a gas supply system and a tail gas treatment system which are connected with a reaction system,wherein the reaction system comprises a reaction kettle containing reducing metal and a reaction heating furnace used for heating the reaction kettle; the gas supply system comprises gas supply equipment supplying inert gas and/or UF6gas into the reaction kettle; and the tail gas treatment system comprises treatment equipment for absorbing excess UF6 gas and tail gas in the reaction kettle. The invention further provides a method for preparing fuel salt of the molten salt reactor through the device. The device directly reduces UF6 in molten salt to prepare UF3 and/or UF4 to obtain fuel salt,simplifies the production process of molten salt, and has the advantages of short technical process, simple and flexible operation, no radioactive powder operation, material cost saving and energy saving.

The invention relates to gas supply equipment and in particular relates to a rotational water flow oxy-hydrogen generator which not only protects environment, but also saves energy. The oxy-hydrogen generator is characterized in that an electrolysis bath is formed into a ring-shaped pipeline shape on the basis of original electrolysis bath structure, a cathode and an anode are respectively arranged on two sides of the groove, one of pipelines which are connected with a water pump is installed on the upper portion of the ring-shaped pipeline groove, the other pipeline is installed on the lower portion to form rotational water flows, and a heat-resistant insulated pipeline which is communicated with the cathode and the anode is also communicated with a water-gas separator. An injection head in the water-gas separator is higher than the horizontal plane of electrolyzed water mixed solution, a gas filter is arranged on the upper portion of the separator, two filtering layers are arranged in the gas filter, the other scheme is to arrange a water round-ring shaped cylinder around the electrolyzed water mixed solution, and a cooling water inlet and a cooling water outlet are respectively arranged on the upper portion and the lower portion of the cylinder. The equipment solves the problems of the phenomenon that water and gas are not easily separated, easy tempering, large power consumption and low gas outlet quantity.

The invention discloses a rapid automatic control die plate locking system especially used for die cutting. The system comprises a wallboard, a die plate roller body and a device for driving the die plate roller body to move horizontally in the axial direction, two ends of the die plate roller body are installed on the wallboard through a bearing, the die plate roller body is divided into a first semicircular region and a second semicircular region, each semicircular region is provided with a plurality of piston type gib units for fastening a panel, two passages are arranged at the end of a left shaft head of the die plate roller body, the first passage is communicated with bottoms of piston cylinders of all the piston type gib units in the first semicircular region of the die plate roller body, the second passage is communicated with piston cylinders of all the piston type gib units in the second semicircular region of the die plate roller body, a gas swivel joint with two passages is arranged at the end of the die plate roller body and is in mutual rotary fit with the die plate roller body, one ends of the two passages of the gas swivel joint are connected with external gas supply equipment, and the other ends of the two passages of the gas swivel joint are respectively connected with the first passage and the second passage of the end of the left shaft head of the die plate roller body.

The invention belongs to the technical field of superfluid extraction and particularly relates to a supercritical CO2 fluid extraction kettle and an extraction method thereof. The supercritical CO2 fluid extraction kettle comprises a box body, a supporting frame and gas supply equipment; the gas supply equipment is used for intermittently introducing carbon dioxide into the box body; feeding portsfor introducing process mediums are formed in the two sides of the top of the box body; a gas inlet for introducing the carbon dioxide is formed in the middle part of the top of the box body; a discharging port is formed at the bottom of the box body; the part below the gas inlet is fixedly connected with a U-shaped groove; through holes are formed in the two sides of the U-shaped groove; the gassupply equipment is communicated with the U-shaped groove through the gas inlet; a T-shaped rod is arranged in the U-shaped groove; the T-shaped is connected with the U-shaped groove through a spring; and one end of the T-shaped rod is fixedly connected with a screw rod after stretching out of the U-shaped groove. The supercritical CO2 fluid extraction kettle is simple in structure and convenientto operate; through a stirring unit, the extraction efficiency of the process mediums is improved; furthermore, through cooperation with a gear rack and a gas bag during work of the stirring unit, the extraction efficiency of the process mediums can be further improved.

The application provides a conglomerate rock permeability increase measurement system and method. Gas is supplied by gas supply equipment to carry out a gas logging permeability increase experiment ona rock sample, and power ultrasonic excitation equipment is utilized to carry out a power ultrasonic excitation effect on the rock sample. An ultrasonic wave is transmitted to the rock sample by ultrasonic measurement equipment, and propagation duration of the ultrasonic wave is detected before and after the rock sample is subjected to the power ultrasonic excitation effect. Then, calculation iscarried out by utilizing information processing equipment to obtain gas logging permeability before and after power ultrasonic excitation and a propagation speed of the ultrasonic wave in the rock sample. Further, on the basis of the gas logging permeability of the rock sample before and after the power ultrasonic excitation effect, a permeability increase coefficient is constructed. Therefore, byobtaining the gas logging permeability of the rock sample before and after power ultrasonic excitation and the propagation speed of the ultrasonic wave and constructing the permeability increase coefficient, influence of the power ultrasonic excitation on a pore structure and flow conductivity of the rock sample can be analyzed so as to provide guidance for yield increase of a conglomerate oil reservoir.

The invention provides a device for recovering waste metal powder in 3D printing. The device comprises scattering equipment, separation equipment, iron removing equipment, collecting equipment and gassupply equipment, wherein the scattering equipment is connected with the separation equipment through a discharging scraper-through conveyer, the separation equipment is provided with a radial gas inlet to be connected with the gas supply equipment, the upper part of the separation equipment is connected with an inlet of the iron removing equipment through a pipeline, an outlet of the iron removing equipment is connected with a cyclone separator through a pipeline, an outlet of the cyclone separator is connected with a pulse bag type dust collector, an gas outlet is arranged at the tail end of the pulse bag type dust collector, and the gas outlet and the gas supply equipment form a circulating protection gas loop through a pipeline. By the aid of the device, the problem of waste of wastepowder of 3D metal printing equipment is solved, resources are saved, the cost of 3D metal printing is reduced, and high-efficiency and high-quality recovery of the 3D metal printing equipment is realized.

A test system and a test method adapted for a remote control device are disclosed. The remote control device is electrically connected to gas supply equipment. The gas supply equipment stores gas and is connected to a gas actuating device. A gas detector is near to the gas actuating device. The method includes: providing a test interface, acquiring a gas detector on the test interface and generating a trigger signal to start testing the gas detector; remotely controlling the gas supply equipment to generate high pressure; and controlling the gas actuating device to spew out gas. The method further includes: comparing the concentration of the gas with a stored reference concentration to determine whether or not the gas detector works properly and generating a result.

The invention discloses a high-pressure water tunnel test device and a test method thereof. The high-pressure water tunnel test device comprises a water tunnel test section, a shaftless propelling device, an air supply pipeline, air supply equipment, a pressure-regulating cavitation-removing device, reducing and expanding sections and accelerating pipelines. The two ends of the water tunnel test section are respectively connected with a reducing pipeline and a expanding pipeline and are externally connected with the accelerating pipelines, and the pipelines form a closed loop. One or more shaftless propelling devices are dispersedly arranged on the water tunnel acceleration pipeline. If there are a plurality of shaftless propelling devices, the multiple shaftless propelling devices are dispersed and distributed in the whole course of the acceleration pipeline. The air supply equipment and the air supply pipeline are arranged outside a water tunnel pipeline to provide a power working medium for the shaftless propelling devices. According to the system, the flow and the flow speed of an existing water tunnel system can be remarkably improved, the energy supply problem of high-power equipment is solved, input energy is efficiently converted into the water flow speed, meanwhile, the high-pressure state under the deep sea condition can be simulated, and the cavitation problem caused by high-speed water flow is effectively solved.

The invention provides a supersonic laser deposition micro shot peening method. The supersonic laser deposition micro shot peening method comprises the following steps that the surface of a to-be-repaired part is pretreated; a mixed spraying material is manufactured, then a laser beam is introduced in the cold spraying process, supersonic laser deposition micro shot peening is carried out on the pretreated to-be-repaired part, then aftertreatment is carried out on a workpiece repairing layer, and a qualified repaired part can be obtained. The invention further comprises a spraying device which comprises cold spraying equipment, laser equipment, carrier gas supply equipment and moving equipment, a mechanical arm of the moving equipment is suspended above the workbench, and the cold spraying equipment comprises a powder feeder, a gas heater, a cold spraying gun and a power source; the laser equipment comprises a laser head and an infrared detector; the carrier gas supply equipment comprises a gas cylinder group, a gas conveying pipeline and a control valve. The method has the beneficial effects that due to the introduction of the laser beam, the deposition efficiency and the bonding strength of the soft metal material are greatly improved compared with single cold spraying, and the defect that the porosity in a repairing layer is high is overcome.

The invention discloses a rust removing device for the inner wall of a metal pipe. The rust removing device for the inner wall of the metal pipe comprises a base table, the metal pipe, a servo motor,a guide block and a hopper. The metal pipe is a hollow structure body and is obliquely arranged relative to the base table. The servo motor is located at the end where the distance between the metal pipe and the base table is the shortest, and the servo motor is electrically connected with an external power source. The guide block is located in the metal pipe and connected with the rotating shaftend of the servo motor through a screw rod. The hopper comprises a feeding hopper body and a discharging hopper body, the discharging hopper body corresponds to the metal pipe, a high-pressure sprayeris arranged in the feeding hopper body, and the tail end of the high-pressure sprayer is connected with external gas supply equipment. According to the rust removing device for the inner wall of themetal pipe, rust removing treatment is carried out on the inner wall of the metal pipe through a sand blasting process, rust removing efficiency is high, the effect is good, and the labor intensity ofworkers is reduced.

The invention provides a metal gasket blanking die for machining, and belongs to the technical field of metal gasket machining. The metal gasket blanking die comprises a bottom box, a discharging holeis formed in the middle of the upper part of the bottom box, two groups of mutually symmetrical support vertical plates are fixedly arranged at the edge of the upper part of the bottom box, and the upper parts of the two groups of support vertical plates are connected through a support transverse plate; and a blanking tool corresponding to the discharging hole is arranged between the two groups of support vertical plates. In the embodiment of the invention, after a metal base material is blanked by the blanking tool, a pipe pressing assembly can drive an air inlet hard pipe to rotate, so thatone end of the air inlet hard pipe is in butt joint with an air inlet hole, and compressed air is injected into a mounting channel through an air inlet hose and the air inlet hard pipe by utilizing external air supply equipment so as to drive a piston, a connecting rod and a material pushing head to move downwards; and the blanked metal sheets are pushed into the bottom box from the discharging hole, automatic discharging of the metal sheets is achieved, the metal sheets are prevented from being accumulated in the discharging hole, and the advantage of being convenient to discharge is achieved.

The invention provides a bubble-drag-reduction-type marine mining riser. The bubble-drag-reduction-type marine mining riser comprises an outer tube, an inner tube, at least one gas transmission main pipe, spray nozzles, gas transmission branch pipes and a supporting structure, wherein the outer tube and the inner tube are mutually nested, and the gas transmission main pipes, the spray nozzles, the gas transmission branch pipes and the supporting structure are arranged between the outer tube and the inner tube; the at least one gas transmission main pipe are fixed on the external wall of the inner tube and are used for being connected with gas supply equipment of a mining dredger; the spray nozzles are uniformly distributed along the circumferential direction of the inner tube; one end of each spray nozzle communicates with the inner tube, and the other end of each spray nozzle communicates with the corresponding gas transmission main pipe through a corresponding gas transmission branch pipe; holes which are used for enabling the gas transmission branch pipes to pass through are formed in the supporting structure. The bubble-drag-reduction-type marine mining riser is supported by the mining dredger on the water, extends to an ocean floor and is connected with a mining collector system, and a gas-water mixed two-phase flow is formed on the internal surface of the inner tube through the spray nozzles arranged on the riser by using compressed air, so that the coefficient of viscosity of liquid is reduced, and the aim of reducing frictional drag is achieved.

The invention discloses air supply equipment. The air supply equipment comprises a cabinet body, wherein a rotary platform is arranged on a bottom plate of the cabinet body, at least two gas cylinders are arranged on the rotary platform, an independent gas delivery pipe is arranged between each gas cylinder and an air inlet pipe of an external instrument, and each gas delivery pipe is provided with an independent gas distribution valve. The invention further provides a mobile laboratory. The air supply equipment and the mobile laboratory are structurally designed, and therefore the gas cylinders can be replaced very conveniently, the troubles are saved, the labor is saved, and the accuracy of the experiment detection result is guaranteed.

The invention relates to an immersion liquid limiting mechanism. Immersion liquid is limited between a projection objective and a silicon wafer. The immersion liquid limiting mechanism comprises a horizontal liquid supplying passage, a liquid outlet passage, a gas-liquid recovery passage, a gas supplying passage and a vertical liquid supplying passage, wherein the horizontal liquid supplying passage and the liquid outlet passage are horizontally arranged, an outlet of the vertical liquid supplying passage, an outlet of the gas-liquid recovery passage and an outlet of the gas supplying passage are sequentially arranged at the bottom of the immersion liquid limiting mechanism from inside to outside, the horizontal liquid supplying passage and the vertical liquid supplying passage are respectively connected to liquid supplying equipment, the liquid outlet passage and the gas-liquid recovery passage are respectively connected to gas-liquid recovery equipment, the gas supplying passage is connected to gas supplying equipment, and the width of an opening, formed in the bottom of the immersion liquid limiting mechanism, of the gas supplying passage is ten microns. According to the immersion liquid limiting mechanism, the formation of a 'gas knife' structure is avoided through increasing the width of the opening of the gas supplying passage, so that the problem of liquid droplet splashing during edge exposure is solved; through arranging the vertical liquid supplying passage, a repulsive force facing to the bottom of the immersion liquid limiting mechanism is provided at a risk of collision, and thus disturbance is reduced.

The invention discloses a buffering type plastic particle multidirectional screening device, and belongs to the field of plastic particle machining. According to the buffering type plastic particle multidirectional screening device, screening plates with internal holes gradually increased are distributed in a screening panel at equal intervals from right to left, so that a good screening effect is achieved. Along with up-down sliding of the screening panel and according to left-right cleaning of a cleaning panel, a good screening effect is achieved. Inclined spray heads are fixedly installed on the left sides and the right sides of blocking shafts, under the action of air supply equipment, on one hand, a good pushing effect is achieved, on the other hand, plastic particles can be effectively air-dried so that water can be prevented from being attached to the outer surfaces of the plastic particles, and along with the up-and-down lifting of adjusting shafts, adjusting panels are turned over on the inner sides of partition panels through rotating blocks, then the angle of the adjusting panels is conveniently changed, and discharging is convenient.

The invention discloses an aeration device applicable to biological desulfurization of natural gas, and a biological reaction system and belongs to the field of natural-gas purification devices. The aeration device applicable to the biological desulfurization of the natural gas comprises a gas inlet main pipe, a distributing pipe, a plurality of distributing branch pipes and elastic aerating films, wherein the gas inlet main pipe is used for being connected with gas supply equipment; the distributing pipe communicates with the gas inlet main pipe and is vertical to the gas inlet main pipe; the distributing branch pipes communicate with the distributing pipe, and each distributing branch pipe is vertical to the distributing pipe and is located in the same plane where the distributing pipe is located; and the elastic aerating films wrap the distributing branch pipes, a plurality of aerating holes are formed in each elastic aerating film, and the aerating holes of the aeration device are in an open state during aeration and are in a closed state when aeration is not carried out or the aeration pressure is insufficient. The biological reaction system comprises a biological reaction tank and the aeration device which is located inside the biological reaction tank. According to the aeration device applicable to the biological desulfurization of the natural gas, and the biological reaction system, the problem that a gas inlet pipeline is plugged by solid particles in a sulfur-bearing pregnant solution regeneration process of the biological desulfurization of the natural gas can be effectively solved.

The invention provides a material separation method and device, a controller and a storage medium and relates to the technical field of material separation. The material separation method comprises the steps of obtaining a material characteristic of a material to be separated, recognized by a recognition system and positioned in a preset position on a material conveying device; according to the material characteristic of the material to be separated, determining a target spray-blowing device from a first spray-blowing device and a second spray-blowing and determining a target separation area from corresponding separation areas of the target spray-blowing device; and controlling gas supply equipment to provide a spray-blowing force, corresponding to the target separation area, for the target spray-blowing device so that the target spray-blowing device sprays and blows the material to be separated, conveyed to the edge position of the material conveying device, to the target separation area. As the first spray-blowing device and the second spray-blowing device have reverse spray-blowing directions, the materials can be accurately separated only by controlling the gas supply equipmentto provide the spray-blowing force, corresponding to the target separation area, for the target spray-blowing device; and therefore, the adaptability of the gas supply equipment to performance degradation or gas supply pressure change is improved.