207 results about "Delivery oxygen" patented technology

The invention discloses a biomass dry distillation pyrolysis device, and belongs to the field of biomass pyrolysis, the biomass dry distillation pyrolysis device comprises a shell, a cavity I formed in the shell, a cover body fixedly connected to the upper end of the shell, and an air supply fan fixedly connected to the outer surface of the shell and used for conveying oxygen into the cavity I. The interior of the cavity I is further connected with a feeding unit; the feeding unit comprises a cross-shaped plate body fixedly connected to the interior of the cavity I; according to the biomass raw material particle sorting device, the sorting of particles with different densities is realized by utilizing the force of airflow and the density difference of material particles, so that biomass raw material particles with relatively high density fall into the heat-extending dissolving-assisting blanking disc and roll downwards along the heat-extending dissolving-assisting blanking disc, and the biomass raw material particles with relatively high density are fully preheated before being pyrolyzed; the energy consumption required in the pyrolysis process is reduced, the subsequent sufficient pyrolysis treatment on the interiors of the biomass particles is facilitated, and the situation that the interiors of the biomass raw material particles with relatively high density are not sufficiently pyrolyzed is avoided.

The utility model relates to an anti-falling oxygen inhalation tube which comprises a catheter, a base and nasal tubes, an air channel is arranged in the base, two groups of nasal tubes are arranged on the base, the nasal tubes are communicated with the air channel, the catheters communicated with the air channel are arranged on two sides of the base, the catheters continuously convey oxygen into the nasal cavity of a patient through the nasal tubes, and two groups of fixing wings are further arranged on the base. The two sets of fixing wings are arranged on the two sides of the nasal tube respectively, mucilage glue is arranged on the base and the fixing wings, when the catheter conveys oxygen to the nasal cavity of a patient through the nasal tube, the fixing wings are attached to the nasolabial sulcus portion and the face of the patient through the mucilage glue, and then the base is firmly fixed to the face of the patient. The base is prevented from falling off when a patient moves on a bed, such as dining, washing on the bed and sleeping soundly at night, oxygen uptake sustainability of the patient is guaranteed, and life danger caused by unnecessary oxygen uptake interruption is avoided.

The invention discloses a water treatment device of an MABR membrane aeration bioreactor and a treatment method of the water treatment device, and relates to the field of sewage treatment.The water treatment device comprises a vertical frame body, oxygen permeation membranes are evenly arranged in the vertical frame body, and first communicating pipes are arranged at the front ends and the rear ends of the oxygen permeation membranes; the surface of the first communicating pipe at the rear end fixedly communicates with a first conveying pipe, the first communicating pipe is used for conveying oxygen to the oxygen permeation membrane, the first communicating pipe is connected with the vertical frame body through a movement assembly, and through double-form switching of the movement assembly, the oxygen permeation membrane is driven to conduct cyclic twisting and swinging, so that the oxygen permeation membrane is driven to conduct oxygen permeation. The contact of oxygen between the surface of the oxygen-permeable membrane and the microbial biological membrane is enhanced, the oxygen utilization rate is increased, the motion state of the membrane is dynamically adjusted, the self-cleaning capacity of the membrane is enhanced, and sludge deposited on the outer surface of the oxygen-permeable membrane is digested while the acceleration mechanism continuously swings at the bottom of the oxygen-permeable membrane to accelerate the contact of the oxygen-permeable membrane and pollutants in water.

An apparatus includes a nasal cannula having a nasal prong. The nasal prong includes a first end portion that defines an inlet opening, a second end portion that defines an outlet opening, and a middle portion. A side wall of the nasal prong defines a flow passage between the inlet opening and the outlet opening. The nasal prong is configured to be inserted within a nostril of a patient with the outlet opening disposed within the nostril. The inlet opening is fluidically coupled to a support tube to deliver a flow of the gas into the airway of the patient via the nasal prong. The side wall of the nasal prong defines a port that is in fluid communication with the flow passage. The port is fluidically coupled to a pressure sensor to take a series of pressure measurements within the flow passage during the delivery of the oxygen-containing gas.

The invention relates to the technical field of respirator masks, and particularly discloses a noninvasive respirator mask auxiliary fixing device which comprises a machine body, an air delivery pipe and a mask, one end of the air delivery pipe is connected to the machine body, the air delivery pipe is used for delivering oxygen, the mask is connected to the other end of the air delivery pipe, and the mask is worn on the face of a patient to form a closed air path space. The fixing rope is connected to the mask and used for fixing the mask, the judging assembly is connected to the mask, when a patient is treated, the judging assembly is used for monitoring whether the mask is sealed or not and judging whether the gas conveying pipe is blocked or not, and in the using process, the sealing state of the mask can be monitored in real time, oxygen leakage is prevented, and the mask is prevented from leaking. The adjusting assembly is connected to the mask and connected with the fixing rope, the adjusting assembly is used for adjusting the tightness degree of the fixing rope, and when the judging assembly judges that the mask leaks air, the adjusting assembly is started and adjusts the tightness degree of the fixing rope.

The invention discloses a handheld oxygen generator in the field of oxygen generation equipment, which comprises an air pump assembly, an air inlet assembly, an air outlet assembly, molecular sieve tanks and an oxygen storage tank, a pressure preparation gas tank is arranged on a gas path structure between the two molecular sieve tanks and the oxygen storage tank, and oxygen-enriched gas adsorbed by the molecular sieve tanks firstly enters the pressure preparation gas tank to be stored and then enters the pressure preparation gas tank to be stored; and after the gas in the pressure preparation gas tank reaches the required pressure, the gas enters the oxygen storage tank. In the oxygen production process, gas can generate standby pressure in the standby pressure gas tank, so that the pressure of the molecular sieve tank is kept in a high-pressure range, the adsorption capacity of the molecular sieve on nitrogen in air is improved, the oxygen content of the oxygen production gas is improved, and the oxygen production amount can still be met under the condition that the filling amount of the molecular sieve is reduced; therefore, the sizes of the molecular sieve tank and the whole oxygen generator are reduced. In addition, oxygen is collected through the pressure preparation gas tank, oxygen is conveyed to the oxygen storage tank after certain pressure preparation is achieved, oxygen in the oxygen storage tank can be promoted to be collected, the pressure is increased, and the oxygen output requirement in the oxygen using state is met.

The utility model discloses a carbon dioxide collection nasal oxygen cannula which comprises a nasal oxygen cannula body, an input and output pipeline and a mask. The input and output pipeline comprises an oxygen conveying pipeline for conveying oxygen and an output pipeline for collecting carbon dioxide, and the oxygen conveying pipeline and the output pipeline are respectively independent and isolated; the nasal oxygen tube comprises a nasal oxygen pipeline which is communicated with the oxygen conveying pipeline and is used for conveying oxygen to the nasal cavity or the periphery of the oral cavity, and a collecting pipeline which is communicated with the output pipeline and is inserted into the nasal cavity to collect exhaled carbon dioxide; an outlet of the nasal oxygen pipeline is positioned on the nasal oxygen tube; the oxygen supply and carbon dioxide collection problems can be better solved, the comfort degree of a patient can be improved, and the oxygen supply amount and the carbon dioxide collection and detection precision can be guaranteed.

The invention relates to the technical field of prevention of hypoxia suffocation and harmful gas, in particular to a method for preventing hypoxia suffocation and harmful gas through underground airtight unsealing, which comprises the following steps: an unmanned aerial vehicle carries various sensors for comprehensively collecting underground environment data; formulating an oxygen delivery plan based on data analysis; arranging an oxygen pipeline system; oxygen is conveyed, and the closed space environment is gradually improved; the unmanned aerial vehicle continuously inspects and monitors environment change; and after the safety standard is reached, personnel enter to carry out unsealing operation. The advantages of the unmanned aerial vehicle technology and the oxygen conveying technology are combined, so that safe and efficient advanced environment improvement is achieved; accurate and dynamic oxygen conveying control can be realized through real-time data collection and analysis, and the oxygen concentration is controlled within a safe range; and continuous patrol can be realized, and unsealing operation can be carried out safely.

This disclosure includes wound dressings and systems with remote oxygen generation for topical wound therapy and related methods. Some systems include a dressing for facilitating delivery of oxygen to the target tissue, the dressing having: a first manifold that defines a plurality of gas passageways and is configured to allow communication of oxygen to the target tissue; a gas-occlusive layer configured to be disposed over the first manifold and coupled to tissue surrounding the target tissue such that: an interior volume is defined between the gas-occlusive layer and the target tissue; and the gas-occlusive layer limits escape of oxygen from the interior volume between the gas-occlusive layer and the tissue surrounding the target tissue; a container outside the interior volume, the container having a sidewall that defines a chamber configured to be in fluid communication with the interior volume; and an oxygen-generating material disposed within the chamber of container and configured to release oxygen when exposed to water.

The invention relates to an oxygen generation control device capable of relieving driving fatigue, and belongs to the technical field of automobile safety and auxiliary driving, the oxygen generation control device comprises an oxygen generation shell, a top cover is clamped to the upper side of the oxygen generation shell, a bottom plate is clamped to the lower side of the oxygen generation shell, and a molecular sieve oxygen generation part is fixedly mounted on the right side in the oxygen generation shell; an air compression block is mounted on the left side of the molecular sieve oxygen generation part, an oxygen conveying assembly is arranged on the left side of the oxygen generation shell, and a clamping assembly is arranged on the back of the oxygen generation shell; the oxygen conveying assembly comprises a communicating pipe communicating with the left side of the oxygen generating shell. According to the oxygen generation control device capable of relieving the driving fatigue, the oxygen pipe at the end of the hose is inserted into the nostrils of a driver, and then the molecular sieve oxygen generation part and the air compression block are used for conveying oxygen into the oxygen pipe, so that sufficient oxygen is provided for the driver, the fatigue feeling caused by oxygen deficit is reduced, and the relieving effect is achieved.

The invention provides a high-temperature atmosphere firing device for detecting the ash content of high-purity graphite. The high-temperature atmosphere firing device comprises a supporting frame, a heating furnace connected with the supporting frame, a dustproof hearth arranged in the heating furnace, a controllable exhaust chimney, a multi-point temperature detection module, a distributed gas supply module and a control system. Oxygen can be uniformly conveyed into the dustproof hearth from the bottom of the heating furnace through the distributed gas supply module, so that a high-purity graphite sample in the dustproof hearth is in a high-concentration oxygen atmosphere, and intermediate products in reaction are discharged in time through the controllable exhaust chimney, so that the inhibition effect of the intermediate products is reduced; the optimal ashing condition can be established by adjusting the temperature, the oxygen flow, the exhaust speed and the like, so that all the samples are in a rapid burning reaction state, the overall reaction efficiency is improved, the efficient and rapid burning effect is achieved, no-wind-feeling and high-flow oxygen supply of the distributed gas supply module can effectively avoid pollution among the samples, and the service life of the samples is prolonged. And the detection accuracy of the ash content of the high-purity graphite is ensured.

The utility model provides a movable oxygenation device for aquaculture water, and belongs to the technical field of aquaculture equipment. Comprising an annular frame; the aeration part is positioned on the annular frame and is used for conveying oxygen into the culture water body; the limiting assembly is mounted on the annular frame and is arranged to enable the aeration part to perform aeration around the annular frame in the working process of the aeration part; the gas conveying pipe is positioned on the aeration part and is used for conveying oxygen to the aeration part; and the driving part is positioned on the annular frame. According to the utility model, the aeration part and the annular frame are arranged, so that the aeration pipe can rotate around the annular frame for aeration, and compared with aeration at a fixed position, oxygen can be widely and uniformly conveyed to different areas of an aquaculture water body, and the situation of local oxygen deficit is avoided; in addition, an annular frame structure composed of a plurality of groups of annular rings and a plurality of aeration pipes are arranged, so that the aeration area and the water body contact range are increased, the situation that all cultured organisms inhale oxygen at one place is avoided, and the safety of the equipment is improved.

The utility model relates to the technical field of medical oxygen generating equipment, and discloses medical oxygen generating equipment with good energy-saving effect, which comprises a bottom plate, an air compressor, a drying device, a first pipeline and an adsorption mechanism, the adsorption mechanism comprises molecular sieve adsorption towers symmetrically arranged at the upper end of the bottom plate, and baffles are arranged in the molecular sieve adsorption towers. A first cavity and a second cavity are symmetrically formed in the molecular sieve adsorption tower relative to the baffle, a second pipeline is arranged on one side of the molecular sieve adsorption tower, and a third pipeline is arranged on the side, away from the second pipeline, of the molecular sieve adsorption tower. According to the utility model, the molecular sieve adsorption tower is divided into the first cavity and the second cavity through the baffle plate, then gas is respectively conveyed into the first cavity and the second cavity through the second pipeline and is adsorbed through the first filler block and the second filler block, and then oxygen is conveyed through the cooperation of the third pipeline and the fourth pipeline; therefore, the molecular sieve filler block is fully utilized, and redundant energy consumption is avoided.

The present invention provides an aquaculture device, which relates to the field of aquaculture technology. The aquaculture device includes a breeding barrel, an electric field component, and an oxygenation component. The electric field component is arranged in the breeding barrel. The oxygenation component is arranged inside the breeding barrel, and the oxygenation component is used to transport oxygen into the water body. The aquaculture device provided by the embodiment of the present invention injects water into the breeding barrel through the water inlet for aquaculture. The electric field component can convert the kinetic energy generated by the movement of the water body due to fish swimming, water waves, and bubbles generated by the aeration process into electrical energy, and form an electric field in the water body to change the polarity of water molecules, thereby increasing the oxygen dissolving capacity of the water body. Through the cooperation of the electric field component and the oxygenation component, on the one hand, the oxygen content of the water body can be increased, thereby improving the efficiency of aquaculture; on the other hand, the electric field component efficiently collects and utilizes the kinetic energy generated by the movement of the water body to form an electric field, without the need for an additional power supply, thereby saving energy and reducing emissions, and reducing the cost of aquaculture.

The utility model discloses a water purification aeration device, which relates to the technical field of water conservancy project, and comprises a container, the upper surface of the container is fixedly connected with a protective tube, the top end of the protective tube is fixedly connected with a solar photovoltaic panel, one side of the bottom of the solar photovoltaic panel is fixedly connected with a connecting line, and the connecting line is fixedly connected with the water conservancy project. An aeration tank is fixedly connected to the other end of the connecting line, a fixing rod is movably connected to the surface of the aeration tank, and a motor assembly is fixedly connected to the bottom of the container; through the arrangement of the solar photovoltaic panel, the solar photovoltaic panel absorbs solar energy, converts the solar energy into electric energy, stores the electric energy and supplies the electric energy to the water body purification aeration device for operation, additional energy is not needed, energy consumption is saved, and green energy is provided; the stirring blades are used for stirring in water, so that the water circulates and reciprocates, oxygen is fully dissolved in the water, and the water purification efficiency is improved.

The utility model discloses a closed oxyhydrogen fuel cell power generation system which comprises a fuel cell stack and a circulating pump, the fuel cell stack is respectively connected with the circulating pump, an oxygen tank and a hydrogen tank, oxygen is conveyed to the fuel cell stack through the oxygen tank, hydrogen is conveyed to the fuel cell stack through the hydrogen tank, and the circulating pump is connected with the circulating pump. And cyclic utilization of oxygen is realized through the circulating pump. According to the utility model, the unreacted oxygen is recycled through the circulating pump, the pressure of the oxygen and hydrogen before entering the fuel cell stack is monitored while the oxygen and hydrogen are conveyed, and the opening degrees of the oxygen inlet electromagnetic valve and the hydrogen inlet electromagnetic valve are regulated according to the pressure; the problem of backflow caused by too large oxygen pressure of a circulation path before oxygen enters a reactor is solved by arranging a first check valve, gas pumped by a four-way connector cannot reversely flow into a circulation pump by arranging a second check valve, and a hydrogen pulse discharge electromagnetic valve and an oxygen pulse discharge electromagnetic valve are designed to be intermittently opened; hydrogen and oxygen can fully react, and the gas utilization rate is increased.

The invention discloses electronic integrated chip manufacturing equipment and a preparation method thereof in the technical field of electronic integrated chips, and the equipment comprises a box body and a partition plate, the partition plate is arranged in the box body, a plurality of strip-shaped holes are embedded in the surface of the partition plate, a sliding rail is arranged on one side of the partition plate, a wafer is arranged in the sliding rail, and a heating wire is arranged on one side of the partition plate. The two partition plates are arranged on the two sides of the box body respectively, a temperature sensor is arranged on one side of each partition plate, an alarm is arranged on the top of the box body, the alarm is electrically connected with the temperature sensors, and an oxygen generator is arranged on the top of the box body. The partition plates, the strip-shaped holes, the sliding rails, the wafers, the heating wires, the temperature sensors, the alarm and the oxygen generator are arranged, and the heating wires are arranged on the two sides of the box body; therefore, the wafer is uniformly heated during heating, the product quality can be effectively improved, the oxygen generator can convey oxygen into the box body during heating, the oxidation speed of the wafer is increased, silicon dioxide is rapidly generated on the surface of the wafer, and the production efficiency is improved.

An electrolytic cell (1) for producing hydrogen, comprising a stack of bipolar electrodes (9) that sandwich an ion transport membrane (2) between every two of the bipolar electrodes. Each bipolar electrode comprises two metal plates (9A, 9B) welded together back to back, forming a coolant compartment between them and having a respective anode surface and an opposite cathode surface, each metal plate abutting one of the membranes. The plates (9A, 9B) are embossed with primary vertical channels (10A, 10B) and secondary channels (11A, 11B) in a herringbone pattern for conveying oxygen and hydrogen. Embossed herringbone patterns are provided on both sides of the metal plates (9A, 9B) so as to also provide herringbone-pattern coolant channels (11B) within the coolant compartments.

The utility model discloses a desulfurization device for chemical energy waste liquid, which relates to the technical field of waste liquid treatment and comprises a desulfurization barrel, a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are arranged on the desulfurization barrel, and a valve is mounted on the liquid outlet pipe. A gas supply assembly for conveying oxygen into the desulfurization barrel is arranged in the desulfurization barrel, the gas supply assembly comprises a hollow shaft pipe rotationally mounted on the top wall of the desulfurization barrel, a gas inlet box is fixedly connected to the bottom end of the hollow shaft pipe, and a plurality of gas distribution pipes are arranged on the outer wall of the gas inlet box; the multiple gas distribution pipes are arranged on the gas inlet box in a circumferential array mode, and a plurality of gas outlet holes are formed in the outer walls of the gas distribution pipes at equal intervals. The utility model solves the problems that the oxygen is directly injected into the wastewater to generate larger air bubbles which are not beneficial to the reaction between the oxygen in the air and the sulfide and the efficiency is lower when the oxygen is used for aerating the sulfide in the wastewater.

1. The name of the product of this design: Hyperbaric Oxygen Chamber Main Unit (MAF90‑10K / MAF90‑20P‑2). 2. Purpose of the product with this appearance design: used as the main unit of a hyperbaric oxygen chamber to deliver oxygen and pressurized air into the oxygen chamber. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

The invention provides an air conditioner and a control method thereof.The air conditioner comprises a fresh air device and an oxygen generation device, the fresh air device comprises a fresh air device body and a fresh air pipe connected to the fresh air device body, and the fresh air pipe is provided with an outdoor pipe section located outdoors; the oxygen generating device comprises an oxygen generating device body and an oxygen conveying pipe connected to the oxygen generating device body, and the oxygen conveying pipe is communicated with the outdoor pipe section. According to the air conditioner, due to the fact that the oxygen conveying pipe of the oxygen generating device is directly communicated with the outdoor pipe section of the fresh air pipe of the fresh air device outdoors, the oxygen generating device can convey oxygen into the room through the fresh air pipe, and equivalently, only one fresh air pipe is connected between the indoor unit and the outdoor unit of the air conditioner with the fresh air device and the oxygen generating device; the indoor unit does not need to reserve an installation space for the oxygen conveying pipe, and therefore the size of the indoor unit can be reduced. Meanwhile, compared with the mode that the fresh air pipe and the oxygen production pipe penetrate through the wall at the same time, the occupied space is smaller when a single pipe penetrates through the wall, and installation, cleaning and maintenance are easier and more convenient.

The invention provides semi-solid slurry preparing and forming integrated equipment, and relates to the technical field of metal casting, the semi-solid slurry preparing and forming integrated equipment comprises a heating cavity, a heating coil is arranged on the outer side of the heating cavity, a stirring shaft is arranged in the heating cavity, a piston cylinder body is fixedly installed above the heating cavity, and an air exchange hole is formed in the piston cylinder body; a spiral condensation plate is arranged in the piston cylinder body, a sealing piston is installed in the piston cylinder body in a sliding mode, a pressure adjusting mechanism is arranged above the heating cavity, and the pressure adjusting mechanism can convey oxygen into the heating cavity through cooperation of the sealing piston and the piston cylinder body. The sealing piston is driven by the air cylinder to be matched with the piston cylinder body, in cooperation with the real-time monitoring and signal transmission functions of the pressure detection meter, gas can be automatically conveyed into the heating cavity, the pressure is kept stable, the sealing ring on the sealing piston guarantees the sealing effect, the pressurization one-way valve prevents airflow from flowing back, and pressure is rapidly supplemented when the pressure is lower than a preset value.

The invention relates to a portable automatic blood purification system, and belongs to the technical field of blood purification medical equipment. The system comprises an artificial kidney unit, an artificial liver unit, a flushing unit, a weighing unit, a blood inlet tube and a blood outlet tube. The artificial kidney unit comprises a first peristaltic pump, a second peristaltic pump, a first dialyzer, a fourth peristaltic pump, an anticoagulant container and an injection pump; the artificial liver unit comprises a second dialyzer, a hemoperfusion device, an albumin storage container and a third peristaltic pump; the device is characterized by further comprising an artificial lung unit composed of an oxygen container, and the oxygen container is connected between the second outlet of the second compartment of the first dialyzer and the inlet of the second peristaltic pump in parallel through two switches. The device is provided with an emergency life maintenance function device combining the artificial kidney, the artificial liver and the artificial lung, the artificial lung unit is additionally arranged, and when a patient is in a coma condition, timely treatment is achieved by conveying oxygen. The invention is suitable for war, serious injury, burn, poisonous snake and insect bites, pesticide poisoning and other occasions.

The utility model relates to the technical field of medical instruments, in particular to an inflatable oxygen inhalation head which comprises two oxygen inhalation heads and an oxygen inhalation assembly, the oxygen inhalation assembly comprises two oxygen hoses, two fixing tubes, two mounting cylinders, a plurality of rebound units and a plurality of limiting blocks, one end of each oxygen hose is communicated with the corresponding fixing tube, and the other end of each oxygen hose is communicated with the corresponding mounting cylinder. The two mounting cylinders are each provided with two limiting grooves, the mounting cylinders are arranged outside the fixing pipe in a sleeving mode, then the rebound unit drives the limiting blocks to be matched with the limiting grooves to fix the mounting cylinders, at the moment, oxygen is conveyed through the two oxygen hoses and output through the fixing pipe, the mounting cylinders and the oxygen inhalation head, and therefore the oxygen inhalation head can be rapidly fixed through rebound of the limiting blocks; and medical staff can conveniently detach, replace and clean.

The utility model relates to a combustion head assembly and a coiled tubing, the combustion head assembly comprises a combustion head, the combustion head is provided with a combustion-supporting channel used for conveying combustion-supporting gas, the combustion head is provided with an oxygen channel used for conveying oxygen, and the combustion head is provided with an electric ignition device; the protective cover comprises a cover body, the cover body is arranged at the end, provided with the electric ignition device, of the combustion head, the cover body is provided with a containing space used for containing the electric ignition device, and the cover body is provided with a first hole communicated with the containing space. The protective cover can prevent the electric ignition device of the combustion head from being damaged by the impact force of the sleeve, the first hole is formed in the cover body, it can be ensured that combustion-supporting gas is released to an underground gasification reaction area through the first hole, meanwhile, the gas can be prevented from being ignited in a sealed environment to cause explosion, and the safety of the combustion process is improved.

The utility model provides a positive pressure breathing mask, which relates to the technical field of breathing masks, and comprises a mask body, an air inlet pipe is arranged on one side of the mask body, a reinforcing device is arranged on one side of the air inlet pipe, the reinforcing device comprises a frame, a connecting device is arranged between the frame and the air inlet pipe, and the connecting device is connected with the air inlet pipe. Two first threaded holes are symmetrically formed in the surface of the frame, screw rods are in threaded connection with the inner walls of the two first threaded holes, clamping plates are rotationally connected to the close ends of the two screw rods, and a plurality of rubber strips are fixedly connected to the close sides of the two clamping plates; by arranging the reinforcing device, the air pipe can be clamped and limited, the situation that the joint of the air pipe and the air inlet pipe is loosened and the air pipe is separated from the interior of the air inlet pipe to affect oxygen supply due to the fact that the air pipe is pressed to displace when conveying oxygen to the mask body is reduced, and the connection stability of the air pipe and the air inlet pipe is improved.

The utility model provides a kind of adjustable seed cultivation box, it is related to agricultural engineering technical field, including seed cultivation box, the inside of seed cultivation box is provided with seed cultivation adjusting assembly, the upside of seed cultivation tray is provided with three-way atomizing nozzle, the inside rear end of seed cultivation box is provided with moisture absorbing sponge, the left and right sides of fixed support are all provided with electric control light supplementing lamp, the inside top end of seed cultivation box is equipped with bus controller;According to the demand of seed growth stage to illumination, bus controller will control electric control light supplementing lamp automatic regulation illumination intensity and irradiation time, and electric control light supplementing lamp can be from two sides respectively seed in seed cultivation tray is irradiated, reduce illumination dead angle, cooperate oxygen content inductor real-time monitoring box oxygen concentration, if lower than set value, oxygen supply pump is automatically started, oxygen is transported to the box by oxygen supply port, ensure that seed is in sufficient oxygen environment Healthy growth, improve germination rate.

The present invention discloses an oxygen lance valve station control system and an oxygen lance valve station control method, and relates to the technical field of oxygen bottom blowing smelting. The oxygen lance valve station control system of the present invention comprises a lance body, a first branch pipe, a second branch pipe, a third branch pipe, a flow sensor and a controller, the lance body having a first channel and a second channel, the first branch pipe being connected to the first channel and used for conveying oxygen-enriched air, the second branch pipe being connected to the second channel and used for conveying protective gas, the third branch pipe being used for conveying oxygen and being connected to the first branch pipe or the second branch pipe, the flow sensor being arranged on the first branch pipe and being connected to the controller, the flow sensor being used for conveying the measured flow value to the controller, and the controller being connected to the control valve to control the opening or closing of the control valve. The oxygen lance valve station control system of the present invention can accurately control the cooling effect of the oxygen lance, and ensure the normal use of the oxygen lance and the smelting efficiency of the smelting furnace while extending the service life of the oxygen lance.

The utility model relates to an oxygen bag flow adjusting device which comprises an oxygen bag body and an adjusting mechanism, a connecting pipe is arranged on the oxygen bag body, and a connecting sleeve is arranged at one end of the connecting pipe. Wherein the adjusting mechanism comprises an oxygen conveying pipe, a flow meter and a valve body are arranged on the oxygen conveying pipe, an adjusting rod is rotationally arranged in the valve body, a connecting frame is arranged on the upper end face of the valve body, and a ball valve element is arranged at one end of the adjusting rod. According to the oxygen bag flow adjusting device, by arranging the adjusting mechanism, when the oxygen bag body is used for conveying oxygen, a rotary knob is pressed downwards, so that a connecting groove formed in the rotary knob is connected with a limiting strip arranged on the outer side of an adjusting rod, then the rotary knob is rotated to drive a ball valve element connected with the adjusting rod to rotate, and therefore the effect of adjusting the oxygen flow is achieved; the situation that in the using process of the oxygen bag body, flow adjustment of the oxygen bag body changes due to the fact that the knob is accidentally touched is reduced.

The present invention discloses a sintering cup oxygen-enriched sintering test device, comprising a rotating shaft, an ignition hood, a gas fuel tank, a combustion-supporting blower, an oxygen hood, an oxygen tank, a sintering cup, a vacuum chamber and an exhaust fan. The rotating shaft is fixed in the up-and-down direction, and can rotate with the vertical direction as the axis; the ignition hood is fixed on the rotating shaft; the gas fuel tank conveys gas fuel to the ignition hood through a pipeline; the combustion-supporting blower blows air into the ignition hood through a pipeline; the oxygen hood is fixed on the rotating shaft, and has a first upper opening and a first lower opening; the oxygen tank conveys oxygen to the oxygen hood through a pipeline; the sintering cup has a second upper opening and a second lower opening, and the upper end height of the sintering cup is lower than the lower end height of the oxygen hood and the ignition hood; the vacuum chamber has a third upper opening, and the third upper opening is offset against the second lower opening of the sintering cup; the exhaust fan is connected to the vacuum chamber through a pipeline. Compared with the prior art, the oxygen hood and the ignition hood can be switched by rotating the rotating shaft in the present invention, and the operation is convenient.