105 results about "Oxygen regulation" patented technology

An electronic oxygen conserving device for controlling a flow of oxygen from an oxygen storage container to a user. When a conserve setting is selected, a flow of oxygen travels through an oxygen regulating valve that has an open state and a closed state. A temporary electrical charge or current is provided to the oxygen regulating valve during the initial inhalation of oxygen by an individual, opening the regulating valve opens to delivery oxygen to the user. The oxygen regulating valve remains open even after termination of the electric current. After a predetermined timed delivery dose or upon exhalation by the individual, a subsequent temporary electric charge or current is provided to oxygen regulating valve, closing the regulating valve closes to prevent delivery of oxygen to the user, thus conserving oxygen. The oxygen regulating valve remains closed even after termination of the subsequent electric current.

Provided is a portable ventilator system, including a ventilator supply system having a ventilator mask, an air / oxygen source and an air / oxygen regulator system, and including a communications device that, during use, automatically contacts an emergency response entity in response to activation of the portable ventilator system. Also provided is a ventilator system that includes at least one ventilator mask sized to fit upon a selected range of sizes of human faces, a ventilator supply system having an air / oxygen source and an air / oxygen regulator system, and an air / oxygen flow regulation valve having an inlet, an inlet / outlet in communication with a ventilator mask coupled to the ventilator supply system, and an outlet in communication with a surrounding atmosphere. During use, air / oxygen flows through the inlet and the inlet / outlet to facilitate ventilation of a human, and air / oxygen flows through the inlet / outlet and the outlet to facilitate exhalation by a human to the surrounding atmosphere. Further, during use, one of the ventilator masks is coupled to the ventilator supply system to provide air / oxygen to a human, and the air / oxygen regulator system regulates air / oxygen flow parameters as a function of a size of the ventilator mask coupled to the ventilator supply system.

Provided is a portable ventilator system, including a ventilator supply system having a ventilator mask, an air / oxygen source and an air / oxygen regulator system, and including a communications device that, during use, automatically contacts an emergency response entity in response to activation of the portable ventilator system. Also provided is a ventilator system that includes at least one ventilator mask sized to fit upon a selected range of sizes of human faces, a ventilator supply system having an air / oxygen source and an air / oxygen regulator system, and an air / oxygen flow regulation valve having an inlet, an inlet / outlet in communication with a ventilator mask coupled to the ventilator supply system, and an outlet in communication with a surrounding atmosphere. During use, air / oxygen flows through the inlet and the inlet / outlet to facilitate ventilation of a human, and air / oxygen flows through the inlet / outlet and the outlet to facilitate exhalation by a human to the surrounding atmosphere. Further, during use, one of the ventilator masks is coupled to the ventilator supply system to provide air / oxygen to a human, and the air / oxygen regulator system regulates air / oxygen flow parameters as a function of a size of the ventilator mask coupled to the ventilator supply system.

A reusable perforated steel cylinder device with detachable lid that may be filled with pecan nutshells or other natural food-grade organic substances that become volatized through a pyrolitic action induced by heated air to create a flavoring smoke plume within a gas grill chamber that adsorbs onto target food items is disclosed. This design improves generation of flavoring smoke in a grill chamber due to its universal distribution of perforations, and cylindrical shape which allows the ease of smoke passage from any orientation, eases handling with standard barbecue utensils for adjustment and placement, allows rapid pyrolization initiation for improved performance and convenience at standard grill cooking temperatures, and has enhanced oxygen regulation properties through the design selection of the percentage of open surface area (at least 40%) of the assembly and allows rapid soak and drain of contents without loss.

The present invention relates to automatic control and regulation in the industrial combustion reaction process between solid fuel and air. The automatic regulation process for comprehensive combustion in circular fluidized bed reactor features fast load regulation with blowing rate, load stabilization and bed temperature regulation with coal feeding amount, fast air / coal ratio regulation, oxygen regulation to ensure the economical efficiency and negative regulation with induced draft. The regulation mode includes single loop for regulating negative pressure in hearth, composite cascade loop for regulating boiler load and bed temperature, and cascade loop for regulating oxygen content in fume. Compared with traditional techonlogy, the present invention has greatly improved stability, fast disturbance elimination and high economical utility.

A process and a device for oxygen regulation of a patient having at least two SPO2 monitors and a control for automatic recognition of which measurements are more reliable. The measurement from one or more of the two SPO2 is used to control the oxygen concentration delivered to a patient based on a comparison of the measurements from the at least two SPO2 monitors.

The invention discloses a device for measuring thicknesses of an aerobic layer and an anaerobic layer of a biological film and a measuring method. The method comprises the steps that a wide-mouth bottle for containing waste water and a biological film testing tank are adopted; oxygen is charged into the wide-mouth bottle, so as to adjust the dissolved oxygen concentration of the waste water; after the dissolved oxygen concentration of the waste water in the wide-mouth bottle reaches a set value, the waste water is led into the biological film testing tank; after the waste water concentration in the wide-mouth bottle and the biological film testing tank reaches an experimental value, the biological film is put into the biological film testing tank; the concentration distribution of micro dissolved oxygen inside the biological film is measured through a dissolved oxygen microelectrode; and the thicknesses of the aerobic layer and the anaerobic layer of the biological film are calculated.

The invention discloses a tubular photobioreactor for the large-scale culture of microalgae, which comprises a photoreaction tube, a light source system, an algal liquid circulation system, a temperature regulation system, a PH regulation system, a dissolved oxygen regulation system, and a control panel; the control panel is electrically connected to the temperature regulation system, the PH regulation system, the dissolved oxygen regulation system, the light source system and the algal liquid circulation system; the tubular photobioreactor further comprises a filter screen for blocking foreign matters and a reflector capable of increasing the illumination intensity of the photoreaction tube; the filter screen is arranged in a passage connecting the liquid outlet of the photoreaction tubewith the algal liquid circulation system, and the reflector is arranged at a position opposite to the position of the light source system. The invention not only effectively decreases the probabilityof the algal liquid circulation system being injured, but also effectively increases the light receiving rate of the bottom and side surfaces of the photoreaction tube, so that the number of LED (light-emitting diode) light sources used at night is reduced, consequently, energy can be saved, and the production cost is reduced.

The invention relates to an electronic oxygen regulator with a multifunctional air valve. The electronic oxygen regulator comprises a shell (1), a control circuit (9), a cockpit pressure sensor (10), an exit pressure sensor (8), a lung-type flap (13), a linear motor (11) and an air valve (3). A three-way micro-solenoid valve (2) is arranged between an oxygen inlet (1a) and the air valve (3) and is connected with the control circuit (9), and a normally-open first passage (2a), a normally-open second passage (2b) and a normally-closed third passage (2) are arranged on the three-way micro-solenoid valve (2). By different air passages of the three-way micro-solenoid valve, the air valve and a rapid-decompression valve are combined into the multifunctional air valve, and meanwhile, functions of suffocation prevention and rapid decompression prevention are achieved. In addition, the structure of the electronic oxygen regulator is simplified further, size and weight of the electronic oxygen regulator are reduced, the failure rate thereof is reduced, and maintenance is facilitated.

The invention relates to an oxygen regulating valve group with high regulation accuracy and high safety. According to the technical scheme, the oxygen regulating valve group is characterized by comprising a main pipe (1), a side pipe (2), an oxygen filter (3), a safe relief valve (4), a first special oxygen stop valve (5), a first special self-operated oxygen pressure-regulating stable valve (6), a first pressure transmitter (7), a first special oxygen flow-regulating valve (8), a first special oxygen stop valve (9), an oxygen flow meter (10), a special rapid oxygen cut-off valve (11), a special oxygen check valve (12), a second special oxygen stop valve (13), a second special self-operated oxygen pressure-regulating stable valve (14), a second pressure transmitter (15), a second special oxygen flow-regulating valve (16) and a second special oxygen stop valve (17).

Provided is an oxygen supply device for high altitude jumps. A gas outlet of a gas storage device is connected with an air inlet of a pressure reducing valve set; an air outlet of the pressure reducing valve set is connected with an oxygen inlet of an oxygen regulator; an air supply outlet of the oxygen regulator is connected with an oxygen mask; an oxygen filling valve is arranged at one end of a main body of the pressure reducing valve set, and an air release valve is arranged at the other end of the main body of the pressure reducing valve set; a pressure reducing valve and a pressure gauge are arranged in the middle of the main body of the pressure reducing valve set; a safety valve is arranged at the position, close to the air outlet, of the main body of the pressure reducing valve set; the oxygen regulator comprises a valve body; the valve body is provided with an oxygen inlet, an oxygen regulation cavity, an air inlet, an air supply outlet, an air cavity, an oxygen inlet channel and an oxygen outlet channel, the air inlet communicates with the air supply outlet through the air cavity, the oxygen inlet communicates with the oxygen regulation cavity through the oxygen inlet channel, and the oxygen regulation cavity communicates with the air cavity through the oxygen outlet channel; an oxygen flow regulation module B is arranged in the oxygen regulation cavity; an air flow regulation module C is arranged at the air inlet. The volume and weight of the oxygen supply device are smaller than those of an existing oxygen supply device with the same oxygen supply time, and the oxygen supply device is less influenced by low temperature, is long in oxygen supply time and meets the use requirements of parachuting personnel for respiration.

A gasket for a bottle closure that regulates the diffusion of oxygen into the bottle is provided. In one example, the gasket includes a flexible substrate permeable to oxygen and a barrier film that is less permeable to oxygen than the substrate layer, where the combined structure has a light transmittance of between 0.5% and 10%. In some examples, the substrate includes a polymer layer and the film comprises a metal or non-metal film, where the film may be vapor deposited or sputtered onto the substrate. The metalized film layer may be deposited on the substrate to allow oxygen to diffuse there through at a rate of 1.5 cc / m2 / day to 20 cc / m2 / day, or 5 mg of oxygen to diffuse through over a period of 6 months to 8 years. The exemplary gasket or liner may further include a film that is perforated to create areas of differing oxygen transmission through the substrate and film structure.

The invention belongs to the technical field of biological fermentation, and discloses a method for improving the yield of vitamin B12 based on dissolved oxygen regulation. The method comprises the following steps: (1) under the condition suitable for fermentation, culturing a production strain of vitamin B12, wherein a culture medium contains the following ingredients: 70-85 g / L of saccharose, 45-60 g / L of corn steep liquor, 0.4-0.7 g / L of potassium dihydrogen phosphate, 0.06-0.08 g / L of cobalt chloride, 10-20 g / L of glycine betaine, 0.0005-0.002 g / L of arginine, and 0.00005-0.0003 g / L of thiamine, at the earlier stage of fermentation, the stirring speed is controlled to be 250-400 rpm, the ventilation rate is controlled to be 1.2-2 LPM, at the middle and later stages of fermentation, thestirring speed is controlled to be 100-200 rpm, and the ventilation rate is controlled to be 0.5-1 LPM; and (2) separating and purifying vitamin B12 from the fermentation liquor. According to the method, by controlling the dissolved oxygen amount and the material adding amount in the fermentation liquor, the yield of vitamin B12 is improved.

The invention relates to the field of food processing, in particular to a high-concentration ozone water preparation device, a high-concentration ozone water preparation method and the application of the high-concentration ozone water preparation device. The high-temperature ozone water preparation device is characterized in that an air compressor, a cold-drying device, an air filter, an oxygen generator, an oxygen adjusting valve, an ozone generating pipe and an air-liquid mixing pump are sequentially connected through air pipes; the air-liquid mixing pump is provided with a water inlet pipe and a water outlet pipe; the water inlet pipe and the water outlet pipe are respectively connected with an ozone water collecting device; a chlorine dioxide solution inlet, a tap water inlet and an ozone water outlet are formed in the ozone water collecting device; the ozone water collecting device is a telescopic device. By adopting the high-concentration ozone water preparation device disclosed by the invention, high-stability ozone water is obtained through the steps of compressing, air purifying, oxygen preparing, ozone preparing, air-liquid mixing and the like, and the ozone water can be used for sterilization treatment in the field of the food processing; the stability of the prepared ozone water is high, the sterilization effect is good, and the prepared ozone water can be widely used for sterilization treatment in the field of the food processing.

The invention aims at providing a closed microcirculation curtain wall. The closed microcirculation curtain wall is characterized by consisting of external thermal insulation glass, a double-layer cavity type glass wall, an aqueous solution containing microalgae, an oxygen concentration detector, a high-pressure vortex air blower, an auxiliary sunlight lamp, a solar light activated switch, a liquid level water replenishing device, a meshy microalgae fishing device and a waste water exhaust port. Therefore, a part of sunlight is used for photosynthesis of microalgae, indoor carbon dioxide is consumed, oxygen is supplied, indoor oxygen is used for internal circulation, and the closed microcirculation curtain wall is used for hotels, office environments, house and home environments and other environments needing oxygen regulation.

The invention relates to a lung-structure oxygen regulator for high-altitude parachuting. The lung-structure oxygen regulator comprises a valve, an oxygen inlet joint, an oxygen flow regulating module, an air flow regulating module, a lung-structure oxygen supply module, a residual pressure guarantee module, a manual oxygen supply module and an oxygen supply outlet joint are integrated on the valve, the oxygen flow regulating module is arranged in an oxygen regulating chamber, the air flow regulating module is arranged in an air inlet, the lung-structure oxygen supply module and the residual pressure guarantee module are arranged at the connection between an oxygen outlet and an air chamber, and the manual oxygen supply module is arranged between the oxygen inlet and the air chamber. The lung-structure oxygen regulator can automatically and intermittently supply oxygen or air-oxygen mixture according to the breathing rhythm of a user, the fact that a certain safety residual pressure ismaintained at the whole altitude of a breathing mask, meanwhile, the oxygen supply flow and oxygen concentration are automatically adjusted according to the change of altitude, the breathing comfort,safety and oxygen utilization rate of the user are increased, the weight of oxygen supply equipment is reduced, and the oxygen demands of a parachutist at the altitude of 10000 meters and below are met.

A process and a device for oxygen regulation of a patient having at least two SPO2 monitors and a control for automatic recognition of which measurements are more reliable. The measurement from one or more of the two SPO2 is used to control the oxygen concentration delivered to a patient based on a comparison of the measurements from the at least two SPO2 monitors.

The invention discloses an oxygen adjusting system for an air conditioner, and relates to the technical field of oxygen generation molecular sieves. According to the technical scheme, the oxygen adjusting system is characterized by comprising a mounting box embedded in one side of an air conditioner indoor unit, an air outlet fan embedded in one side, far away from the air conditioner indoor unit,of the mounting box, and an oxygen inlet valve mounted on one side, far away from the air outlet fan, of the mounting box; an oxygen outlet pipe is fixed to the side, close to the oxygen inlet valve,of the air outlet fan; the oxygen inlet valve comprises an annular fixing box and four connecting shafts evenly distributed on the inner circumferential face of the annular fixing box in the circumferential direction of the annular fixing box; the end, away from the annular fixing box, of each connecting shaft is rotationally connected with the peripheral face of fixing columns; a and fan-shapedvalve is fixed on the peripheral surface of each connecting shaft; a bevel gear ring is rotationally installed on the side, away from the air outlet fan, in the annular fixing box, a first bevel gearis fixed to the end of each connecting shaft, and each first bevel gear is engaged with the bevel gear ring. According to the oxygen adjusting system, the problem that the indoor oxygen content is toohigh is solved, and the effect of controlling oxygen to be transmitted into a room is achieved.

The invention discloses an oxygen regulating system for a high-rise building security rescue cabin. The oxygen regulating system comprises a cabin body, a control module, a camera, an oxygen sensor, a face recognition module, a voice alarming module, an oxygen bottle, a gas flowmeter, a one-way proportional solenoid valve and a power source module. All the modules are mounted in the cabin body. The oxygen bottle is connected with the gas flowmeter. The gas flowmeter is connected with the one-way proportional solenoid valve. The camera is used for acquiring images in the cabin body. The oxygen sensor is used for measuring the concentration of oxygen in the cabin body. The oxygen bottle supplies the oxygen to the cabin body. The gas flowmeter is used for measuring the supplied oxygen amount. The opening angle of the one-way proportional solenoid valve is controlled by the control module so that the oxygen flow only can flow into the cabin body from the oxygen bottle in a one-way manner. The face recognition module is used for recognizing the faces of multiple persons from the images. The voice alarming module is used for playing a voice alarm. By the adoption of the oxygen regulating system for the high-rise building security rescue cabin, the oxygen content in the cabin is controlled automatically, the control effect is improved, the possibility of the error operation is reduced, and the survival needs of persons avoiding the risk in the cabin are met.

The invention relates to a transparent health maintenance cabin which mainly comprises a cabin, a control cabinet, gas supply and exhaust systems, an electric system, a toppling preventive device andan automatic control system. A pulling bed is arranged in the cabin, comprises a bed board, a long slider, a lubricating pipeline assembly, a linear guider rail, a cushion and a rear barrier and is silent when used; barrels of the integral cabin are made of organic glass and transparent materials, and requirements are met by the properties such as the rigidity and the strength of the transparent materials; a cabin door is provided with eccentric locking mechanisms; a temperature adjusting device, a pressure adjusting device and an oxygen adjusting device are arranged in the control cabinet; the internal temperatures of the cabin can be automatically adjusted by the temperature adjusting device according to temperatures set by users, and the temperature adjusting device is an air conditioner; internal environments of the cabin can be automatically adjusted by the pressure adjusting device and the oxygen adjusting device, so that requirements on pressure environments can be met. The transparent health maintenance cabin has the advantages that the transparent health maintenance cabin is simple in structure and convenient to operate, and patients can feel comfortable and relaxed in treatment procedures and accordingly can be advantageously recovered as soon as possible; the transparent health maintenance cabin can be used as domestic healthcare equipment, and the patients can voluntarily use the transparent health maintenance cabin at home.

The invention relates to an intelligently controlled household oxygen cabin. The intelligently controlled household oxygen cabin comprises an oxygen cabin body and a host, the oxygen cabin body and the host are mutually connected through a gas discharging pipeline, an air pipeline and an oxygen pipeline. The host comprises a pressure regulation module, a temperature regulation module, an oxygen regulation module and a control module. The pressure regulation module detects pressure in the cabin and control the flow of air discharging, the temperature regulation module regulates gas temperaturein the oxygen cabin body, the oxygen regulation module monitors generated oxygen concentration and controls the flow of oxygen output, and the control module outputs commands of controlling gas pressure, temperature, oxygen concentration and oxygen flow in the cabin. According to the intelligently controlled household oxygen cabin, multiple passages are formed in gas pipe joints, and gas such as entered air and oxygen and discharged waste gas is controlled and monitored respectively. A molecular sieve and the gas discharging pipeline are respectively and independently provided with electronicflow meters which can monitor air flow and control the gas pressure in the cabin body. A water separator is added to separate water from gas well, and accordingly the filtering effect is achieved.

The invention relates to desulfurization and denitrification equipment. The desulfurization and denitrification equipment comprises an ash removal device, an oxygen regulation device, an absorption tower and an absorption liquid circulation tank, wherein the ash removal device, the oxygen regulation device and the absorption tower are sequentially communicated through a flue gas pipeline, the front end of the ash removal device is connected with a flue gas inlet, a flow regulating valve is arranged between the flue gas inlet and the ash removal device, a first temperature control device is arranged between the ash removal device and the oxygen regulation device, a second temperature control device is arranged between the oxygen regulation device and the absorption tower, an induced draft fan is arranged between the second temperature control device and the absorption tower, a first valve is arranged between the first temperature control device and the ash removal device, and the absorption liquid circulation tank is connected with the absorption tower; granular substances in the flue gas can be sufficiently separated, the moving path of the flue gas in the absorption tower is prolonged, the reaction time is prolonged, and the flue gas is subjected to sufficient desulfurization and denitrification reaction, so that the flue gas reaches the emission standard.

Indoor oxygen regulating equipment relates to indoor air regulating equipment, in particular to indoor oxygen content or partial pressure regulating equipment. The equipment comprises an air compressor, a first air storage tank, a cooler and two adsorption towers, wherein the output end of the air compressor is connected with the input end of the first air storage tank; the output end of the first air storage tank is connected with the input end of the cooler; the output end of the cooler is connected with one end of the two adsorption towers respectively by two air inlet control valves; two exhaust pipes provided with exhaust control valves are arranged at one end, which is connected with the air inlet control valves, of the adsorption towers; the other end of the adsorption towers is provided with exit pipes respectively; the exit pipes are respectively connected with throttle valves and exit control valves; the two exit pipes are respectively connected with a second air storage tank by a one-way valve; the second air storage tank is connected with an oxygen output device; and a pressure reducing regulating valve is arranged between the second air storage tank and the oxygen output device. The equipment has good use effect and lower cost and is relatively simple.

The invention relates to a low-temperature desulfurization and denitration device for flue gas, the low-temperature desulfurization and denitration device comprises an ash removal device, an oxygen regulation device, an absorption tower and an absorption liquid circulation tank, wherein the ash removal device, the oxygen regulation device and the absorption tower are sequentially communicated through a flue gas pipeline, the front end of the ash removal device is connected with a flue gas inlet, a flow regulating valve is arranged between the flue gas inlet and the ash removal device, a firsttemperature control device is arranged between the ash removal device and the oxygen regulation device, a second temperature control device is arranged between the oxygen regulation device and the absorption tower, an induced draft fan is arranged between the second temperature control device and the absorption tower, a first valve is arranged between the first temperature control device and the ash removal device, and the absorption liquid circulation tank is connected with the absorption tower; granular substances in the flue gas can be sufficiently separated, the moving path of the flue gasin the absorption tower is prolonged, the reaction time is prolonged, and the flue gas is subjected to sufficient desulfurization and denitration reaction, so that the flue gas reaches the emission standard.

The invention relates to a construction method of a plateau railway oxygen regulating system. According to the construction method, the line specialty provides the route of a plateau railway line for the geology specialty and the machinery specialty, and the geology specialty provides an atmosphere oxygen content condition along the railway line for the machinery specialty according to line data; oxygen demand indexes of different people groups in various scenes are obtained according to oxygen demands of different working scenes of the high-altitude oxygen deficit areas along the plateau railway in combination with oxygen supply concentration physiology requirements; the driving specialty provides passenger flow data of each station for the house building specialty, and the house building specialty calculates the fixed number of the personnel of each department according to the data and provides the fixed number of the personnel of each department for the machinery specialty; and the machinery specialty constructs the oxygen regulation system in a targeted manner according to different scenes and personnel densities. According to the construction method of the plateau railway oxygen regulating system, according to different use scene classifications, different oxygen regulation systems are selected and adopted, pertinence and adaptability are better, and project investment and operation cost are effectively saved.

The invention discloses an intelligent control oxygenation method based on a three-dimensional dissolved oxygen map. Through the online monitoring of oxygen solubility of different positions and different depths in a fish pond, a distribution three-dimensional map is established based on a detected dissolved oxygen value to reflect a real dissolved oxygen value, thus the water quality dissolved oxygen regulation can be carried out well, the quality and output of aquatic products are improved, the risk of breeding is reduced, and the economic benefits of farmers are greatly increased.

The invention discloses a gasification furnace load adjusting and efficiency improving system and a working method thereof, and belongs to the technical field of gasification furnaces. An ash removal unit is connected with a waste boiler outlet of the gasification furnace and a washing unit, a washing unit is connected with a chilling gas circulation compressor, and the chilling gas circulation compressor is connected to a chilling gas inlet of the gasification furnace. A fly ash residual carbon online detection device and a fly ash yield and synthesis gas flow detection device are arranged on a connecting pipeline between the ash removal unit and a waste boiler outlet of the gasification furnace, a waste boiler inlet temperature detection device is arranged at a waste boiler inlet, and an oxygen regulation unit is connected with an oxygen supply system of the gasification furnace. A chilling gas flow detection device is arranged on a connecting pipeline between the washing unit and the chilling gas circulation compressor, and a chilling gas adjusting unit is connected with the chilling gas flow detection device and the chilling gas circulation compressor; the detection devices and the adjusting unit are connected to a control unit. The system can accurately control the gasification efficiency and the chilling gas amount, reduces the energy consumption, and ensures the efficient and stable operation of the gasification furnace.

A system and method of automatic delivery of appropriate flow rate of oxygen to a person flying in a pressurized aircraft cabin is disclosed. In one embodiment, an adaptable demand dilution oxygen regulator for use inside a pressurized aircraft cabin, includes an oxygen initiation and demand regulation system adapted to be responsive to differential gas pressure in a first altitude range based on a pulmonary capacity of a person flying in the pressurized aircraft cabin and to control flow of pressurized oxygen to a breathing outlet during the first altitude range. The adaptable demand dilution oxygen regulator further includes a cabin air dilution and delivery system, coupled to the oxygen initiation and demand regulation system, adapted to be responsive to differential gas pressure in a second altitude range and to output progressively enriched mixture till 100% pressurized oxygen into a breathing apparatus during the second altitude range.

The invention discloses a method for reducing the content of lead contained in slag by locally oxygenating a side-blowing reduction furnace. The method comprises the following steps: firstly, oxygen regulation in the furnace: pouring materials and fuel into the side-blowing reduction furnace, supplying oxygen to the side-blowing reduction furnace through an oxygen supply pipeline of the side-blowing reduction furnace and controlling the mass percent content of overall oxygen in the furnace at 45 to 65 percent; then connecting a pure oxygen pipeline for oxygenating through two side tuyeres under a coal particle feed opening and controlling the oxygen mass concentration of a low coal particle tuyere area at 65 to 75 percent; secondly, temperature regulation: controlling the mass percent content of the overall oxygen in the furnace at 45 to 65 percent, then adjusting the input amount of coal, controlling the temperature of the lower coal particle tuyere area at 1100 to 1300 DEG C and controlling the temperature from the middle of the furnace to a slag outlet at 1000 to 1200 DEG C; thirdly, slagging regulation: in the production operation, when the fluidity of the slag is poor due to low temperature, oxygenating at the tuyere of a siphon pool partition area, so as to ensure smooth outflow of the slag from the outlet. By using the method disclosed by the invention, the content of Pbcontained in the slag can be reduced from 3.5 to 4.5 percent to below 2.5 percent.