642 results about "Oxygen plant" patented technology

System for producing an oxygen-rich gas comprising (a) a primary gas mover including a first and a second compressor, wherein the primary gas mover is characterized by a weight Wp; (b) a drive motor adapted to drive the first and second compressors; (c) a rechargeable power supply characterized by a weight, Wb; and (d) a pressure / vacuum swing adsorption unit adapted to separate the pressurized feed air into an oxygen-rich product at a product flow rate Fp and an oxygen-depleted waste gas, wherein the adsorption unit comprises a plurality of adsorber beds containing an adsorbent and characterized by a total adsorbent weight Wa; and wherein the combined weight, Wt, of the adsorbent, the primary gas mover, and the rechargeable power supply is characterized by the expression0.75 Fp<Wt<2.02 Fpwhere Fp is in liters per min (at 23° C. and 1 atma pressure), and Wa, Wp, and Wb are in pounds.

A portable oxygen concentrator includes a pressure swing absorption system defined by a relatively rigid housing adapted to generate a flow of oxygen enriched gas and a battery adapted to provide power to the pressure swing absorption system. The oxygen concentrator has a total weight of less than about 10 lbs, has a maximum flow of 100% O2 equivalent gas of about 0.9 lpm, has a total volume less than about 800 in3, and gas a battery life of at least about 8 hours. The present invention also using a liquefaction or transfill system in combination with such an oxygen concentrator.

A noise muffler for the exhaust of waste gases from apparatus such as an oxygen concentrator, including a muffler core with an inlet to receive the waste gases and a plurality of bores in the core first to direct the waste gases through a filter material and a cap enclosing the filter material and forming a plurality of outlets to direct the waste gases out of the muffler, the bores and outlets positioned to cause the waste gases to change their direction of flow multiple times before exiting the muffler.

The present invention relates a method for concentrating a gas by applying a pressure difference to an adsorbent and an apparatus therefor, and particularly, a method for producing an enriched gas in a large amount by introducing a continuous production into every step of the process focusing on productivity rather than concentration of the product gas and an apparatus therefor. The present invention relates to a method incorporating the vacuum swing adsorption method with the pressure swing adsorption method, particularly the rapid pressure swing adsorption method which can continuously produce a desired material in a depressurization step to improve recovery rate of the desired material and productivity and an apparatus therefor. The apparatus according to the present invention is advantageously applied in a small size machine rather than for industrial uses. Particularly, when applied in a small size oxygen concentrator, it can be used in electric home appliances, air conditioners and water purifier, as well as medical products.

A portable oxygen concentrator includes a reservoir adapted to store oxygen-enriched gas, a delivery valve adapted to communicate with the reservoir, a pressure sensor adapted to measure a reservoir pressure within the reservoir and to measure a pressure drop across the delivery valve, and an input device adapted to receive a pulse does setting. A controller coupled to the pressure sensor and monitors the reservoir pressure and the pressure drop across the delivery valve. The controller is also coupled to the delivery valve to selectively open the delivery valve for pulse durations based on the pulse dose setting to deliver pulses of gas from the reservoir to a user. The controller further adjusts the pulse durations based at least partially upon the reservoir pressure and the pressure drop across the delivery valve.

Oxygen generation system having a portable oxygen generator unit including a portable air separation device for the generation of an oxygen-rich gas, a primary gas pump including means to supply air to the portable air separation device, a primary motor to drive the gas pump, a rechargeable power supply to drive the motor, connector means adapted to deliver power to the rechargeable power supply, flow coupling means to transfer the oxygen-rich gas from the portable oxygen generator unit, and a first oxygen-rich gas product discharge port. The system also includes a stationary base unit adapted to couple with the portable oxygen generator unit, wherein the stationary base unit has a stationary power supply system including connector means adapted to recharge the rechargeable power supply in the portable oxygen generator unit, flow coupling means to receive the oxygen-rich gas from the portable oxygen generator unit, and an optional second oxygen-rich gas product discharge port.

The invention relates to a portable electrochemical oxygen generator, comprising: a proton-conducting polymer electrolyte membrane (PEM) (1); a water-filled, porous anode (2), with an anode chamber (6); a porous air cathode (3), with a cathode chamber (5), whereby the PEM, anode and cathode form a PEM-cell; a direct current source (4); a cathode gas condensate separator (7), connected to the anode chamber by means of a condensate line and a pump (8), to form a water-cooling circuit; a reservoir with reducing valve (9) for the oxygen generated and a controller / regulator unit (11), for the control / regulation of the oxygen generation, the air feed and the temperature of the PEM-cell.

An air quality control for central air conditioning system consists of an air conditioning set, rooms, ventilating valves, fresh-air valves, an oxygen-producing unit, air-purifying unit, a transducer, and an oxygen detector. Air is treated to be suitable temperature and moisture, mixed with oxygen and then provided into rooms. The oxygen plants may be PSA, VSA, and VPSA pressure varied adsorbing plants and membrane separation style oxygen plants to produce 30 - 40% oxygen. The system can keep normal value of oxygen concentration in air of rooms, and reduce pollutants.

The present invention discloses an air separation oxygen delivery system and method using the technology of coal gas cabinet for pressure decreasing and energy-saving, pertains to the technical field of energy-saving consumption-reduction novel technique for air separation field, and comprises an air separation device (1), a coal gas cabinet (12), an oxygen compressor (5), a spherical tank (6), and a booster (16). The coal gas cabinet (12) is arranged in front of the oxygen compressor (5). The lowest using pressure of the coal gas cabinet is guaranteed by the booster (16) arranged before the air enters the coal gas cabinet. A pathway which overpasses the coal gas cabinet is arranged between a check valve (4) positioned at the back of the air separation device (1) and the oxygen compressor (5), and the operation of the coal gas cabinet under the condition of maintenance is guaranteed for the pathway is closed by the utilization of a valve. In the present invention, the roles in air storage and peak regulation are played by the coal gas cabinet, and the roles in stabilizing and reducing the pressure of a pipe network, reducing the energy loss of the delivery of the oxygen and significantly reducing blow-off rate of the oxygen are played by the present invention. The electricity-saving rate can reach to 13.7 percent to 19.3 percent after the present invention is used for oxygen plants of iron and steel enterprises.

The invention discloses a rotating valve. The rotating valve comprises a half-closed separating chamber of which the bottom part is provided with an opening; an air inlet is formed in one side of the separating chamber; a through hole N is formed in the top part of the separating chamber; a motor is mounted on the top part of the separating chamber; a transmission rod of the motor is inserted into the through hole N and extends into an inner cavity of the separating chamber; the free end of the transmission rod of the motor is connected with a movable blade; a static blade is mounted and clung to the lower end of the movable blade; the movable blade can freely rotate relative to the static blade, wherein the static blade is of a cylindrical structure; a first group of through holes is uniformly formed in the static blade along the circumference; a T-shaped nitrogen discharging groove, an arc-shaped air feeding groove and a homogenizing groove are formed in the movable blade. The invention further provides a five-pipe absorbing tower provided with the rotating valve, and an oxygenator. The rotating valve is adapted to the a multi-absorbing-pipe type absorbing tower structure; the multi-absorbing-pipe integral type absorbing tower is high in oxygen generation efficiency, high in concentration and small in nose; the oxygenator employing the technology is stable and reliable to work, and the user experience is good.

The invention discloses a novel oxygenerator with a gas-water separation structure and an oxygen concentration monitoring function, and relates to the field of small-size household oxygenerators. The novel oxygenerator comprises an outer shell component and an inner shell component, wherein the outer shell component comprises a base, an outer shell front cover and an outer shell rear cover; a light emitting diode (LED) warning lamp and an atomizing port are arranged on the upper part of the front side of the outer shell front cover; an oxygen outlet and a humidifying bottle are arranged on the lower part of the front side of the outer shell front cover; the humidifying bottle is also connected with a flowmeter; gas feeding windows are clamped on the two sides of the outer shell front cover; a storage box and a flip cover are also arranged above the outer shell front cover; the outer shell front cover is tightly connected with the outer shell rear cover through a screw, and the outer shell front cover and the outer shell rear cover are arranged on the base; and universal wheels are arranged at the bottom of the base. The cooled gas-water separation system of the simple-structure and effective oxygenerator can gather and discharge condensed water in compressed air; and the oxygenerator is also provided with an oxygen concentration monitoring module and a flow monitoring module which are used for acquiring and analyzing the oxygen concentration and the flow data in real time and monitoring the ineffectiveness and the aging condition of a molecular sieve.

The invention relates to an oxygen direct-injection pure-hydrogen combustion engine and a power system thereof. The oxygen direct-injection pure-hydrogen combustion engine comprises a hydrogen fuel engine body, a magnesium hydride storage tank, a pressure swing adsorption oxygenerator, a three-way catalyst, a tail gas waste heat utilization unit and a hydrogen purification unit. The magnesium hydride storage tank is connected to a hydrogen opening of the hydrogen fuel engine body through a low-pressure hydrogen buffering tank, and the pressure swing adsorption oxygenerator is connected to an oxygen nozzle of the hydrogen fuel engine body through a high-pressure oxygen buffering tank. Exhausting holes of the hydrogen fuel engine body are connected to the three-way catalyst through a tail gas expander or a turbocharging unit, and an outlet of the three-way catalyst is connected to a gas-liquid separator through a kelaipu unit / combined type kelaipu unit. A gas outlet of the gas-liquid separator is connected to a steam inlet of the magnesium hydride storage tank through the hydrogen purification unit, and a water outlet of the gas-liquid separator is connected to a cooling water tank.The oxygen direct-injection pure-hydrogen combustion engine is combined with the kelaipu unit / combined type kelaipu unit through the hydrogen fuel engine body, tail gas waste heat of the engine body is fully utilized, and the heat efficiency of the engine body is improved.

The invention relates to an approach to produce hydrophobic expanded perlite that can be obtained by spreading water-repellent on surface of expanded perlite to form hydrophobic protective membrane. It will get a better effect that using organic fats matters or oil matters, esp., silicone oil as water-repellent. The invention remarkably reduces dosage of water-repellent with adding water to dilute water-repellent and then blending and stirring with expanded perlite. It can reduce technics flow, low production cost and ensure production quality that adopting continuous product and completing spray and dry in one time. The invention can be widely used as thermal insulation in oxygen-making industry, low temperature, insulation equipment and other fields.

The invention discloses a continuous oxygen generator with an integrated molecular sieve adsorption tower. The continuous oxygen generator comprises an air compressor, a preprocessing device, an air buffering tank, an integrated molecular sieve adsorption tower, a stepping motor, a booster and an oxygen storage tank. The continuous oxygen generator is characterized in that the integrated molecular sieve adsorption tower is composed of six separated fan-shaped molecular sieve adsorption columns and can rotate under the control of the stepping motor; and an air inlet pipeline and an air outlet pipeline are separated by a two-level throttling orifice plate to form six areas, so that pressure is changed gradually. According to the continuous oxygen generator, the integrated molecular sieve adsorption tower is controlled by the stepping motor to rotate, so that a solenoid valve and a solenoid valve switching control system are omitted, the energy consumption is reduced and the oxygen generation stability is improved; pressure of each molecular sieve adsorption columns changes gradually, so that overlarge pressure change and temperature change of the molecular sieve adsorption columns are avoided and the service life of a molecular sieve is prolonged; the continuous oxygen generator is capable of generating oxygen continuously, omitting a back blowing process and improving the oxygen recovery rate; and the continuous oxygen generator is suitable for simple oxygen generation with a low purity requirement at home.

The embodiment of the invention provides an uninterrupted oxygen system, comprising a main oxygen supply mechanism which at least includes a first oxygen supply unit and a second oxygen supply unit, wherein the first oxygen supply unit includes a first oxygen generation unit that is connected to an oxygen storage tank by a first oxygen supply branch with a first oxygen generation solenoid valve, the second oxygen supply unit includes a second oxygen generation unit that is connected to the oxygen storage tank by a second oxygen supply branch with a second oxygen generation solenoid valve, the oxygen storage tank is connected to an oxygen delivery pipe by a main oxygen supply pipe, and the main oxygen supply pipe is provided with a main oxygen supply pipe check valve.

The invention discloses a design method for indoor air comprehensive treatment and belongs to the technical field of environmental protection equipment. According to the method, polluted outdoor air is adsorbed, filtered and sterilized through an activated carbon filter screen and a filter screen splashed with heavy metal fibers, then the outdoor air is fully mixed with water and filtered, and finally clean air is conveyed indoors through an energy converter and indoor air is discharged outdoors through the energy converter. Because air exchange can not be carried out the whole day, an air purifier needs to be arranged indoors in order to remove indoor substances or man-made contaminants; in addition, an oxygenerator is needed to increase oxygen indoors, a dehumidifier and a humidifier are controlled to guarantee the indoor humidity, and an air conditioner is controlled to guarantee the indoor temperature; control over the devices is achieved through various sensors and one intelligent controller installed indoors.

The invention belongs to the technical field of refuse treatment, and relates to a totally-enclosed type multifunctional high-speed incinerating device and a production process thereof. The device is characterized in that an incinerator sequentially communicates with a purifying condensing device, an exhaust fan, a totally-enclosed cooling tank and a totally-enclosed ecological purifying area through conduits; an oxygen output tube of an oxygen generator correspondingly communicates with a first oxygen supplementing tube, a second supplementing tube and an air inlet tube. The production process is that oxygen is supplemented to an inner chamber of the incinerator, and connected wastes fed into the incinerator is incinerated once through the oxygen, and the waste gas is incinerated and pyrolysed at high temperature twice and then cooled and decoked; the decoked waste gas is purified and condensed through the purifying condensing device, then fed into the totally-enclosed cooling tank to be cooled and finally subjected to biodegradation in the ecological purifying area; the waste gas containing the rest toxic and harmful substances is introduced into the incinerator again through the air inlet tube to be pyrolysed at high temperature. Therefore, the totally-enclosed type circular treatment mode of the waste is achieved. The device and the production process have the advantages that the wastes can be treated without leakage and with zero emission.

The invention provides an oxygen generator, comprising an expanding device, a main heat exchanger and a main tower; the oxygen generator further comprises a molecular sieve purifier, a low-temperature liquid storage tank and a high-pressure heat exchanger; after the air is purified by the molecular sieve purifier, a part of the air is subjected to temperature reduction by a mainboard-type heat exchanger and inputted to the main tower, and the other part of the air is inputted to the high-pressure heat exchanger to exchange heat with the liquid in the low-temperature liquid storage tank in thehigh-pressure heat exchanger and then inputted to a lower tower; the liquid from the low-temperature liquid storage tank exchanges heat in the high-pressure heat exchanger and then changes into gas state, and is outputted by a first gas pipe. The oxygen generator of the invention can meet the demands of gas products of users through the high-pressure heat exchanger, and simultaneously can recovercool energy of the liquid simultaneously; the oxygen generator is beneficial for saving energy, and can reduce the operation resistance of the main heat exchanger and power consumption amount of a compressor, simultaneously can enhance the rectifying effect of the main tower and output of the oxygen and argon in the unit time, and can reduce energy consumption.

The invention relates to an advanced wastewater treatment system by aid of ozone and microwave ultraviolet light oxidation, and relates to an organic wastewater treatment device. The technical scheme includes that the advanced wastewater treatment system comprises an air compressor, a gas storage tank, a freezer dryer, an oxygenerator, an ozone generator and a dissolved gas pump which are successively connected, wherein two inlets and an outlet are arranged on the dissolved gas pump, the ozone generator is connected with one of the inlets of the dissolved gas pump, the other inlet of the dissolved gas pump is connected with an intermediate water tank, the outlet of the dissolved gas pump is connected with a microwave ultraviolet light device, the rear end of the microwave ultraviolet light device is connected with a circulation water tank, a partition board is arranged in the circulation water tank, water on the upper layer of the partition board is drained out, and water on the lower layer of the partition board returns to the intermediate water tank via a pipe. The advanced wastewater treatment system has higher oxidation efficiency, the service life of equipment is prolonged, the wastewater is sufficiently mixed with ozone, and the efficiency of the advanced wastewater treatment system under actions of microwave ultraviolet light is greatly increased as compared with a system independently using ozone or ultraviolet light technology.

The invention provides a novel sprinkling device with a microbubble device for a vegetable greenhouse. The novel sprinkling device includes a water inlet pipe, a pressure box, a connection water pipe, a transition water tank, a spraying pipe, a water pump, spraying nozzles, an air compressor, a pipe head, an air spraying pipe, a pressure gage, a water level meter, an air pipe, a control valve, an oxygen outlet pipe, and an oxygenator; the water inlet pipe is arranged on a left central part of the pressure box; the transition water tank is connected to and arranged on the right side of the pressure box through the connection water pipe; and the spraying pipe is connected to and arranged on the right side of the transition water tank. According to the invention, the pressure box, the air compressor, the air spraying pipe, the pressure gage, the water level meter, the control valve and the oxygenator are arranged on the novel sprinkling device, bubbles can be easily smashed into micro-nano bubbles, the micro-nano bubbles are evenly fused with a sprinkling liquid, the oxygen content of the micro-nano bubbles can be improved, starting and stopping of the air compressor can be intelligently controlled, the pressure value of the pressure box can be kept in a rated range, the planting technique demands of the vegetable greenhouse can be met, and the quality of vegetables can be improved.

The invention discloses an oxygen safety system of an underwater unmanned closed cabin. The oxygen safety system of the underwater unmanned closed cabin includes a liquid oxygen storage tank, an oxygen compressor, a high-pressure oxygen buffer tank group, an oxygen scavenger, a molecular sieve oxygen generator, an air compressor, a rupture membrane, a pneumatic valve, a one-way valve, a stop valve, a closed cabin, a safety valve, a pressure sensor, an oxygen concentration sensor, a pressure gauge and the like. The oxygen safety system of the underwater unmanned closed cabin can effectively absorb the tail exhaust oxygen generated by the operation of a fuel cell stack and the oxygen generated by a pipeline leakage, and realizes that the oxygen concentration in the closed cabin is below a safe concentration range when the oxygen leakage or oxygen tail exhaust with different conditions and different levels occurs on an underwater carrier platform, which prevents fire or explosion in the cabin, realizes nitrogen cyclic utilization in the closed cabin, and has high safety factor.

The invention provides an oxygen cabin type gym air-conditioning system and a working method thereof. The oxygen cabin type gym air-conditioning system comprises an oxygen cabin type gymnasium, a central air-conditioning new air supplying main air channel, an air source purifying system, an air sterilization filtering device, an oxygen generator, an oxygen supplying device, a carbon dioxide lower air suction system and a negative oxygen ion generator. When an oxygen measuring instrument measures that oxygen content in the gymnasium is smaller than or equal to 22%, the oxygen generator starts to work to deliver oxygen into the gymnasium. When the oxygen measuring instrument measures that oxygen content in the gymnasium is greater than or equal to 30%, the oxygen generator does not work. When a carbon dioxide measuring instrument measures that CO2 content in the gymnasium is smaller than or equal to 3%, the carbon dioxide lower air suction system does not work. When the carbon dioxide measuring instrument measures that the CO2 content in the gymnasium is greater than or equal to 3%, greater than or equal to 5% or greater than or equal to 6%, an exhaust fan of the carbon dioxide lower air suction system respectively work at a low gear, a middle gear and a high gear. The oxygen cabin type gym air-conditioning system has the advantages of being reasonable in structure, simple in operating step, economic in cost and strong in practical applicability, thoroughly changes air property in the gymnasium and further changes physical function of a sporter.

The invention discloses a novel oxygen generator which comprises an air compressor module, a detachable module and an oxygen generator main body, wherein the air compressor module comprises an air compressor; the detachable module comprises a molecular sieve adsorption tower, the oxygen generator main body comprises an oxygen storage tank; the air compressor module is arranged in the oxygen generator main body or the detachable module; the detachable module is detachably connected with the oxygen generator main body; the air compressor, the molecular sieve adsorption tower and the oxygen storage tank are sequentially communicated through pipelines. When the molecular sieve adsorption tower needs to be replaced or maintained, the whole oxygenerator does not need to be replaced, only the detachable module needs to be detached from the oxygenerator main body, and the molecular sieve in the molecular sieve adsorption tower needs to be replaced, so that the use cost is greatly reduced, theuse quality of the oxygenerator is improved, and the service life of the oxygenerator is prolonged. When the air compressor is arranged in the detachable module, the space between the air compressor and the molecular sieve adsorption tower is filled with the foaming body, and the loose porous structure of the foaming body is used for absorbing noise so as to reduce the noise.

An air purifier includes a filter, a compressor, an oxygen maker, an electromagnetic valve and a fan, and all of which are mounted in a case. The case has an inlet vent, an outlet vent, and a filtering member next to the outlet vent. The compressor comprises an air inlet and an air outlet. The air inlet of the compressor is connected to the filter, while the air outlet is connected to the oxygen maker. The oxygen maker comprises an air inlet connected to the air outlet of the compressor, an oxygen outlet connected to the electromagnetic valve, and a nitrogen outlet. The electromagnetic valve is connected to the fan. The fan is secured next to the outlet vent of the fan.

The invention discloses a circulating water breeding treatment system which comprises a fish tank fan, an oxygenerator, an ozone generator and an equipment fan. One side of the fish tank fan is communicated with a breeding tank through a pipeline, one side of the breeding tank is communicated with a rotational flow filter through a pipeline, one side of the rotational flow filter is communicated with a roller microfilter through a pipeline, and one side of the roller microfilter is communicated with a balance tank through a pipeline. Through matched using of an ultraviolet sterilizer, the rotational flow filter, a constant temperature machine, the oxygenerator, a dissolved oxygen cone, the roller microfilter, a dissolved oxygen pump, the balance tank, a degassing pump, a circulating pump,a protein separator, the ozone generator, the equipment fan, a biofilter and a degassing sterilization treater, the problem that existing circulating water breeding systems are inconvenient in breeding, wide in occupied area, troublesome in operation step, prone to being affected and constrained by natural environment like weather and water quality change and inconvenient for breeding management is solved.

The invention discloses an emergency ambulance uninterrupted oxygen generation and supply system which comprises an oxygen generation unit, an oxygen compression unit and an oxygen charging and supply platform which are sequentially connected, wherein a main control unit respectively controls the oxygen generation unit, the oxygen compression unit and the oxygen charging and supply platform; the oxygen generation unit is formed by sequentially connecting an oxygen generator, an oxygen buffer tank and an oxygen sensor through a pipeline; the oxygen compression unit is formed by sequentially connecting a drive pump, an oxygen compressor and a pressure sensor through a pipeline; the oxygen charging and supply platform is composed of a charging branch and an oxygen supply branch; the main control unit is composed of a touch screen in combination with a programmable logic controller (PLC); and the PLC is used for acquiring information of the oxygen sensor of the oxygen generation unit, the charging pressure sensor arranged at the compressed oxygen outlet of the oxygen compression unit, and the intake pressure sensor in the oxygen charging and supply platform, and controlling a normally open solenoid valve on the oxygen supply pipeline. The invention implements mobile uninterrupted oxygen generation and supply on the emergency ambulance, enhances the long-distance transportation capacity of the emergency ambulance, and has the advantages of reasonable technique and stable performance.

The invention discloses a modular structure system of an oxygenerator. The system comprises a base, an air compressor module, an air pretreatment module, a molecular sieve adsorption module and an output gas treatment module are arranged on the base, and the air compressor module is connected with the air pretreatment module, the molecular sieve adsorption module and the output gas treatment module through connecting pipelines. In the present invention, according to the oxygenerator, an air compressor, the air pretreatment module, a control valve, a molecular sieve adsorption tower, a system control module with an alarm function and the output gas treatment module are independently and modularly designed, so the system has the advantages of convenience in assembly, few connecting pipelinesand reliability in assembly; and in addition, parts can be maintained or replaced without disassembling the whole machine during maintenance, the maintenance is convenient and simple, the time and the cost of after-sales maintenance are reduced, and the pre-sales production assembly and the after-sales maintenance work are reduced.

The invention discloses an intelligent oxygen generator. The intelligent oxygen generator comprises a main control panel, a blood oxygen detection module and an oil-free compressor, and the blood oxygen detection module and the oil-free compressor are connected with the main control panel respectively; the blood oxygen detection module is used for detecting the blood oxygen concentration of a target user, generating electric signals corresponding to the detected blood oxygen concentration, and sending the electric signals to the main control panel; the main control panel is used for generatingrotation speed adjustment signals corresponding to the electric signals; the oil-free compressor is used for adjusting the rotation speed of a motor according to the rotation speed adjustment signals. According to the intelligent oxygen generator, the rotation speed of the motor of the oil-free compressor in the oxygen generator is adjusted according to the detected blood oxygen concentration ofthe target user, accordingly, the oxygen outlet amount is adjusted, and the aims that energy is saved and using noise of the oxygen generator is lowered are achieved.

The invention provides a metallurgy air separation oxygen supply pipe network system and an operation method thereof, and belongs to the technical field of metallurgy air separation energy conservation and consumption reduction. The metallurgy air separation oxygen supply pipe network system comprises a high-pressure pipe network and at least one first spherical tank, wherein a communication pipeline is arranged between the first spherical tank and the high-pressure pipe network; a valve is arranged on the communication pipeline; and during operation, an air supply pipeline is arranged betweenthe first spherical tank and a low-pressure user, the opening of the valve is adjusted according to pressure of the high-pressure pipe network, pressure of the high-pressure pipe network is between apressure upper limit and a pressure lower limit A, pressure of the first spherical tank is between the pressure upper limit and a pressure lower limit B, and the pressure lower limit B is smaller than the pressure lower limit A. According to the metallurgy air separation oxygen supply pipe network system and the operation method thereof, the communication state of the spherical tank and the high-pressure pipe network is controlled, the release range of the spherical tank is expanded, buffer capacity of the spherical tank is improved, depressurization and oxygen reduction of the high-pressurepipe network are achieved, and electricity of a metallurgy industry oxygen plant can be saved by 2.48% to 3.76%.

The invention relates to an oxygen generation device for an air conditioner, the air conditioner and a control method. The oxygen generation device comprises a shell and an oxygen generation module, a containing cavity is formed in the device shell, and the device shell is provided with an air inlet channel, a first air outlet channel and a second air outlet channel which are in communication with the device containing cavity; the oxygen generation module is located in the device containing cavity and comprises a screen type oxygen generator and a molecular sieve, and the device molecular sieve is located in the device screen type oxygen generator; when the device screen type oxygen generator is pressurized and air entering the device containing cavity through the device air inlet channel passes through the device molecular sieve, nitrogen in the air is adsorbed by the device molecular sieve, and oxygen in the air passes through the device molecular sieve and then is discharged through the device first air outlet channel; and when the device screen type oxygen generator is decompressed, nitrogen adsorbed on the device molecular sieve and water generated in the pressurization process are discharged through the device second gas outlet channel. The oxygen generation device is installed on the air conditioner to improve the indoor air quality and improve the use experience of a user.