11results about How to "Improve oxygen removal efficiency" patented technology

The utility model discloses an energy-saving type thermal deaerator for a steam boiler, belongs to the technical field of deaerators, and aims to solve the problems that a water source closest to steam is heated quickly and other positions are heated slowly when oxygen in water is discharged due to the fact that a plurality of deaerators always adopt a steam heating mode to heat water. The problems that after oxygen in part of a water source is exhausted, steam needs to continue to heat water sources at other positions, water source loss is caused, meanwhile, heating and oxygen removal at all the positions are not uniform, the oxygen removal time is prolonged, the heating time of introduced steam is prolonged, and the practicability is reduced are solved. Through cooperation of the box body, the connecting body, the cavity, the air inlet pipe, the steam pipe, the fixed pipe, the exhaust pipe, the exhaust hole and other structures, water can be subjected to aeration and deoxygenation treatment, aeration and heating can be effectively carried out at all positions in the water at the same time, it is effectively ensured that the water is heated evenly, oxygen in the water is rapidly exhausted, and water loss is reduced.

The utility model discloses an anti-scaling deaerator which comprises a water tank, a deaeration tower head is arranged on the water tank, a motor is fixedly connected to the upper surface of the deaeration tower head, a shell is arranged in the deaeration tower head, a partition plate, a deaeration chamber and a spiral pipe are arranged in the shell, a water inlet pipe is arranged on the water tank, and a water outlet pipe is arranged on the water tank. The water inlet pipe is detachably connected with the spiral pipe, a water inlet and a water drainage pipe are arranged on the inner wall of the deoxidizing chamber, a scraper device is arranged at the output end of the motor and comprises a transmission shaft and a scraper, a treatment tank is arranged at the other end of the water drainage pipe, and a sewage discharging device is arranged on the treatment tank. And the blowdown device comprises a filter screen, a blowdown pipe and a storage tank. By means of the device, through cooperation of the scraper, the spiral pipe, the deoxygenization chamber and the water inlet, water flow forms efficient spiral rising flow in the deoxygenization chamber, and the deoxygenization effect and the anti-scaling effect are improved.

The invention relates to the field of deoxidizers, in particular to a deoxidizer for auxiliary deoxidization of boiler feed water as well as a preparation method and application of the deoxidizer. The deoxidant is prepared from the following components: 0.3 percent to 0.5 percent of sodium sulfite, 0.1 percent to 0.3 percent of benzotriazole, 0.1 percent to 0.2 percent of vitamin C, 0.05 percent to 0.1 percent of polyethylene glycol, 0.1 percent to 0.2 percent of acetoxime, 0.1 percent to 0.2 percent of malic acid and the balance of de-softened water. The deoxidant disclosed by the invention shows an excellent deoxidizing effect in a boiler feed water treatment process, has good corrosion inhibition performance, and can effectively keep a system clean and prolong the service life of equipment.

The invention relates to the technical field of vacuum deoxygenization, in particular to a multichannel solution deoxygenization device for a laboratory and a deoxygenization method of the multichannel solution deoxygenization device. A pressure reducing valve, a gas source switch, a vacuum pump switch, a drying pipe, a vacuum pump and a gas cylinder are sequentially arranged on the first pipeline, one end of the first pipeline is communicated with the vacuum pump, and the other end of the first pipeline is communicated with the gas cylinder filled with nitrogen or inert gas; the first vacuum pressure gauge, the guide pipes and the second vacuum pressure gauge are sequentially arranged on the second pipeline, the eight guide pipes are installed on the second pipeline through the pipe joints respectively, the fixing platform is connected with the second pipeline through the fixing platform support, a solution sample to be deoxidized is contained in the anaerobic bottle, and the anaerobic bottle is placed on the fixing platform. And each conduit is connected with an anaerobic bottle through a needle head to remove oxygen in the solution. The method solves the problem of long time consumption of deoxidizing by an inert gas replacement method, improves the deoxidizing efficiency of the solution, saves 90% of gas source consumption, and is suitable for rapidly deoxidizing the solution in a laboratory.

The utility model provides a deoxygenization device for a steam circulation system, which comprises a water tank and a deoxygenization head mounted at the top of the water tank, the deoxygenization head is internally provided with a rotating film device, a water spraying assembly and a filler liquid steam net from top to bottom in sequence, the top of the deoxygenization head is provided with an exhaust port, the side of the deoxygenization head is provided with a water inlet and a steam inlet, and the water inlet is communicated with the water tank. The water inlet comprises a condensed water inlet and a make-up water inlet which are communicated with the rotating film device, and a high-pressure heater drainage inlet formed above the water spraying assembly, and the steam inlet comprises a first-stage steam inlet communicated with the rotating film device and a second-stage steam inlet formed below the filler liquid-steam net; the high-pressure heater drainage inlet is connected with a water inlet pipe, and the water inlet pipe comprises a water inlet connector and a flow stabilizing cover arranged at the tail end of the water inlet connector. According to the deoxygenization device, the water inlet pipe is arranged at the high-pressure heater drain water inlet, the flow stabilizing cover is arranged at the tail end of the water inlet pipe, the high-speed flow state of high-pressure heater drain water is changed, and the deoxygenization rate and the system operation stability are effectively improved.

The application provides a deoxidizing agent suitable for medium and high pressure boilers and a preparation method thereof, wherein the deoxidizing agent contains the following raw materials in parts by weight: 20-40 parts of an organic reducing agent, 10-20 parts of an amino heterocyclic compound, 4-8 parts of a hydroxylamine compound, 2-8 parts of a dispersing agent, 3-6 parts of a neutralizing agent, 2-6 parts of modified sodium alginate, 1-3 parts of modified lignin and 20-40 parts of deionized water. The deoxidizing agent is high-temperature resistant, has outstanding dissolved oxygen removal capacity, is suitable for a medium and high pressure boiler water supply system, has a corrosion prevention effect, solves the corrosion problem of boilers, pipelines and heat exchangers, and is environmentally friendly, safe, almost non-toxic and harmless, and has a good market prospect.

The invention discloses an intelligent forge piece deoxygenization device which comprises a workbench, a conveying roller is installed on the workbench, a deoxygenization bin is further installed on the workbench, an air blowing assembly is installed in the deoxygenization bin, an oxide layer on the surface of a forge piece is removed through the air blowing assembly, and the air blowing assembly comprises an air inlet and an air outlet; the fan assembly is mounted on the deoxidizing bin; the mounting frame is mounted in the deoxidizing bin, a plurality of groups of blowing parts are mounted on the mounting frame, and the directions of airflow generated by the plurality of groups of blowing parts correspond to different surfaces of the forge piece; airflow holes are formed in the conveying rollers, and the fan assembly communicates with the interiors of the conveying rollers and the blowing part through high-temperature-resistant pipes; according to the intelligent forge piece deoxidizing device, through the combination of the conveying rollers, the deoxidizing bin, the air blowing assembly, the high-temperature-resistant pipe and other assemblies, efficient removal of an oxide layer on the surface of a forge piece is achieved.

A gantry integrated additive and subtractive composite manufacturing equipment, comprising a machine tool base, a forming platform connected above the machine tool base, a 3-axis gantry milling subtractive device arranged in a sealed forming chamber, a powder feeding mechanism, a powder laying mechanism and a tool magazine installed on the forming platform, a forming base plate arranged in the middle of the forming platform, the forming base plate being connected with a forming cylinder, the forming cylinder being located inside the machine tool base; an optical path system mounting plate is arranged on the upper part of the sealed forming chamber, and an optical path system of an SLM additive device composed of a laser, a beam expander collimator, an optical lens module and a laser galvanometer is arranged on the optical path system mounting plate, the laser galvanometer being opposite to the forming base plate; the 3-axis gantry milling subtractive device and the tool magazine cooperate to realize tool changing; the size of the sealed forming chamber is reduced, the function of adding metal powder during the machining process is realized; the quantitative powder feeding and powder laying functions are realized; good motion sealing performance is achieved, and the machining precision of complex part structures is improved.

The application provides an electrolytic oxygen-removing device and a refrigerator with the same. The electrolytic oxygen-removing device comprises at least one electrolytic oxygen-removing unit for consuming oxygen outside the electrolytic oxygen-removing device through an electrochemical reaction under the action of an electrolytic voltage; and a reaction container, the inside of which is defined as a liquid seal space and at least one reaction space; one reaction space is correspondingly provided with one electrolytic oxygen-removing unit; the liquid seal space is used for containing liquid and is in air communication with the reaction space, so that the gas generated when the electrolytic oxygen-removing unit performs the electrochemical reaction flows through the liquid contained in the liquid seal space, thereby making specific substance components in the gas dissolve in the liquid seal space. Since the specific substance components in the gas can dissolve in the liquid seal space, the electrolytic oxygen-removing device provided by the application has a filtering function, which is beneficial to reducing or avoiding environmental pollution caused by gas emission.

The invention relates to a hydrogen production purification system and method. The system comprises a composite heat exchanger, a deaerator, a first condenser, an adsorption unit and a finished hydrogen collection unit. According to the hydrogen production purification system and method, all the parts of the hydrogen production purification system are reasonably arranged, the flow directions of material flows of all the parts are reasonably designed, and energy generated in the purification and regeneration process can be secondarily absorbed and utilized in cooperation with the composite heat exchanger and the gas heat exchanger; the composite heat exchanger is used for reheating the cooled and condensed raw material hydrogen, and the heated hydrogen reaches or is close to the temperature during oxygen removal, so that the energy consumption of the deaerator during working can be reduced; and the gas subjected to heat exchange on the high-temperature regenerated hydrogen in the gas heat exchanger enters a second heat exchange process, secondary energy reutilization is performed on the gas, and the energy recycling rate is high.

The utility model discloses a nozzle for oxygen -removing apparatus, including fixed base, the inner wall fixedly connected with bearing of fixed base, the inner wall fixedly connected with the rotating tube of bearing, the top fixedly connected with connecting rod of rotating tube, the top end equidistance fixedly connected with fan blade of connecting rod, the inner wall top end of rotating tube is provided with the taper mouth, the outer side equidistance of connecting rod is provided with the inner hole of rotating tube, the both ends of inner hole are linked with the bottom of taper mouth and rotating tube respectively The utility model relates to the technical field of boiler oxygen -removing apparatus, solve in prior art, the nozzle for oxygen -removing apparatus is directly fixed in the bottom of water supply pipeline, in the use, the ejection direction and angle of water flow and steam are more fixed, cause the mixing effect of water flow and steam to be undesirable, influence oxygen -removing efficiency and heat exchange effect to high equipment energy consumption problem of leading to.