3180 results about "Air blast" patented technology

An intelligent real-time adaptive control air-blowing-type condenser and a usage method therefor, belonging to the technical field of condensers. The intelligent real-time adaptive control air-blowing-type condenser comprises: a condenser body (1) arranged on a mounting frame (101), an axial flow fan (2) being arranged on the top of the condenser body (1); a filter screen (3), which is mounted on the side wall of the condenser body (1) by means of bolts; a cleaning mechanism (4), which is arranged on the outer side of the filter screen (3) and is configured to remove impurities from the filter screen (3); and a moving mechanism (5), which is arranged on the mounting frame (101) and is configured to drive the cleaning mechanism (4) to move, wherein the cleaning mechanism (4) comprises a dust collection shell (401), a cleaning assembly arranged in the dust collection shell (401) and configured to sweep the impurities away from the outer side of the filter screen (3), and a dust settling assembly arranged in the dust collection shell (401) and configured for dust settling. The filter screen (3) on the outer side of the condenser can be cleaned without shutdown of the condenser.

According to one embodiment, a vehicle seat air conditioner is provided in a first seat of a vehicle and performs air-conditioning for another seat other than the first seat. The vehicle seat air conditioner includes a blower, a blowing duct configured to blow out air guided by the blower from a blowing port provided on a side surface of the first seat, and a controller configured to control the blower. The controller is configured to: acquire blowing target positions of air blown out from the blowing port of the first seat and a blowing port of the other seat; and control, based on the blowing target positions, at least one of a time at which air is blown out from the blowing port, a blowing direction, and selection of the blowing ports from which the air is blown out.

The invention relates to the field of coal mine exhaust control, in particular to a coal mine exhaust control method and device based on environmental perception. The method comprises the following steps: acquiring multi-dimensional monitoring signals based on environment sensing sensors at multiple positions of a mine, performing distributed sensing marking, and constructing a global gas concentration sensing graph; the method comprises the following steps: acquiring position information of operating personnel in real time based on a miner positioning sensor, performing short-time movement prediction on the operating personnel, and generating a miner movement prediction path; obtaining a coal mine internal structure chart, and carrying out average oxygen consumption rate budget and instantaneous oxygen supply demand calculation based on the miner movement prediction path to obtain oxygen supply demand indexes of each unit; and according to the oxygen supply demand index of each unit, intelligent exhaust power calculation adjustment is carried out, and a conventional exhaust control strategy is constructed. Ventilation efficiency of the coal mine area is improved, emergency blast treatment is carried out under the risk condition, the risk problem response capacity is greatly improved, and safety of the coal mine area is enhanced.

The invention relates to a knob type air pump for inflation and deflation, which comprises a pump shell with an inner cavity, the front side of the pump shell is provided with an inflation and deflation port in butt joint with an inflation product, the pump shell is further provided with an air inlet and outlet port communicated with the external environment, and the top side of the pump shell is further provided with a knob; the one-way valve comprises a valve seat and a valve core; the rear end of the valve core penetrates through the valve seat, and the front end is provided with a diaphragm; the valve element has the freedom degree of front-back movement relative to the valve seat. The mounting frame is fixed in an inner cavity of the pump shell; the air blowing assembly is fixed to the mounting frame; the rotary reversing assembly is used for switching the air flowing direction; the rotary reversing assembly comprises a rotary reversing block connected with the rotary knob. One end of the connecting rod is hinged to the eccentric position of the rotary reversing block, and the other end is hinged to the rear end of the valve element. Air channels are switched in a rotating mode, and meanwhile the one-way valve is opened or closed through transmission of the connecting rod in the rotating process; the structure is stable and reliable, and air leakage caused by the fact that the one-way valve cannot be completely closed is avoided.

The invention discloses a house building construction dust removal device which is applied to the technical field of house building construction and comprises a dust removal mechanism, the dust removal mechanism comprises a shell assembly, and when the house building construction dust removal device is used, the device is preferentially placed on a needed platform. And when spraying dust removal needs to be carried out in a near range, rotation of an adjusting ring is achieved by rotating a rotary knob, and the angle of a spray head can be adjusted. The angle of the spray head can be adjusted and changed, so that the range of the device is changed, the diameter of a sprayed cylinder is expanded, and the spray head is adjusted to be in a state of gathering towards the center when the fan blades need to be matched for remote spraying subsequently, so that the spray head can be matched with air blowing of the fan blades for spraying. Through the arrangement, different use angles of the spray head can be expanded to achieve different spraying effects, so that the use flexibility of the dust removal device is improved, and the use limitation is reduced.

The invention relates to a direct current motor with an anti-electromagnetic interference structure in the field of motors, which is characterized in that the surfaces of a commutator and an electric brush are blown in real time through a magnetic shielding cylinder arranged on the outer side of the commutator and an air blowing blade arranged in the magnetic shielding cylinder, and carbon powder on the surfaces of the commutator and the electric brush is cleaned; the commutator and the electric brush are subjected to synchronous blowing heat dissipation, so that the commutator and the electric brush have relatively good contact stability, the condition of contact resistance increase caused by carbon powder accumulation is reduced, the probability of arc generation between the commutator and the electric brush is reduced, and the electromagnetic compatibility of the motor is further improved; the influence of a high-frequency magnetic field generated by the arc on a rotor winding coil is reduced, and electromagnetic interference is further reduced; in addition, the insulating groove formed in the commutator improves the collecting and cleaning effects of the carbon powder, and the insulating groove is matched with the diversion disc to realize ejection of the lower contact surface of the electric brush, so that the cleaning effect of the carbon powder is further improved.

A backpack frame of the backpack type air blower comprises a supporting component, the supporting component comprises a partition wall extending and protruding inwards, the partition wall divides the inner side of the supporting component into an air blowing assembly mounting part and a battery mounting part, and the air blowing assembly mounting part is suitable for mounting and connecting an air blowing assembly; the battery mounting part is suitable for mounting and connecting a battery pack; the air blowing assembly mounted and connected to the air blowing assembly mounting part is in contact with one side of the partition wall, and at least part of exciting force for generating vibration in the operation process of the air blowing assembly is transmitted to the bearing frame from the partition wall to avoid any part, except the connecting part, of the battery pack. According to the technical scheme, the exciting force of vibration generated in the operation process of the air blowing assembly is transmitted to the bearing frame from the partition wall to avoid any part of the battery pack, so that large vibration generated by the air blowing assembly can be effectively prevented from being directly transmitted to the battery pack, and a more stable mounting environment is provided for the battery pack; and the internal structure and electronic components of the battery pack are protected from vibration damage.

The present invention provides a method and apparatus for predicting the temperature of molten iron in blast furnace smelting, an electronic device, and a storage medium. The method comprises: acquiring original fuel parameters, blast parameters, coal gas blowing parameters, furnace top coal gas parameters, and slag iron parameters in a blast furnace smelting process; on the basis of the original fuel parameters, the blast parameters, and the coal gas blowing parameters, determining the furnace bosh coal gas amount, the furnace bosh coal gas component, and the theoretical coal gas combustion temperature at a tuyere rotation area; determining the direct reduction degree of iron ore on the basis of the furnace top coal gas parameters, the slag iron parameters, the furnace bosh coal gas amount, and the furnace bosh coal gas component; determining a gas-liquid heat exchange coefficient on the basis of the theoretical coal gas combustion temperature, the furnace bosh coal gas component, the slag iron parameters, and the coal gas component after direct direction; and on the basis of the gas-liquid heat exchange coefficient, the direct reduction degree of iron ore, the theoretical coal gas combustion temperature, and the slag iron parameters, performing iterative solution of the molten iron temperature and the coal gas temperature, so as to complete prediction of the temperature of molten iron in the blast furnace smelting. The accuracy of molten iron temperature prediction can be improved, and a good basis is provided for blast furnace smelting control, ensuring stable and smooth operation of a blast furnace.

A fan includes a main body of fan and a bracket assembly. The main body of fan is connected to the bracket assembly. The main body of fan includes a blower part for blowing air, a rotating bracket and a main unit. The rotating bracket is arranged between the blower part and the main unit and is configured to connect the blower part and the main unit. The main unit is configured to control air blowing of the blower part. The bracket assembly includes at least one bendable and shapeable supporting leg configured to fix the fan to an external object. A rotating bracket is rotatably connected to both a blower part and a main unit, enabling vertical and horizontal rotation of the blower part. This configuration achieves multi-angle adjustment of the blower part, simplifies user control over airflow direction, and thereby significantly improves user experience.

The utility model discloses a blast circulation heating vacuum oven which comprises an oven body and a sealing plate, a connecting frame is fixedly connected in the oven body, an inner container is fixedly connected to the connecting frame, ventilation holes are formed in the two sides of the inner container in a penetrating mode, an air blower is fixedly connected to one side of the oven body, the output end of the air blower is located in the oven body, and guide plates are fixedly connected to the two sides in the oven body. The inner container is arranged in the box body, heating pipes are evenly and fixedly connected to the two sides of the box body, the heating pipes are arranged in a conical shape, a nitrogen input pipe is fixedly connected to the upper side of the inner container, the end of the nitrogen input pipe is located on the outer side of the box body, a separation net is fixedly connected to the interior of a connecting frame located on the bottom side, and a fan is rotationally connected to the interior of the separation net. Circulation is provided through the air blower and the fan, the internal circulation effect can be achieved by closing the electric control valve at the second guide pipe after the nitrogen input pipe is filled with nitrogen, the contact between airflow and the heating pipe is increased by arranging the herringbone heating pipe, the contact area between the airflow and the heating pipe is increased, and the heating effect is improved.

The utility model discloses a hydrogen-containing tail gas treatment device, which belongs to the technical field of lithium battery recovery tail gas treatment, and comprises a reaction kettle, a spray tower, an induced draft fan and an exhaust pipe, one side of the top end of the reaction kettle is provided with an induced draft port and a blower nozzle, the top end of the spray tower is provided with an air outlet, the side wall of the spray tower is provided with an air inlet, and the exhaust pipe is provided with an air outlet. The blower nozzle is communicated with the atmosphere, the air inducing port is communicated with the air inlet through a pipeline, the air outlet is communicated with the induced draft fan through a pipeline, and the induced draft fan is communicated with the exhaust pipe. According to the hydrogen-containing tail gas treatment device disclosed by the utility model, the hydrogen concentration in the hydrogen-containing tail gas is below 25% of the lower limit of hydrogen explosion concentration by adjusting the frequency of the induced draft fan, so that the direct discharge treatment of the hydrogen-containing tail gas can be realized.

The utility model provides a treatment system for a refuse landfill, which comprises a plurality of repair wells and a plurality of extraction wells arranged on the refuse landfill, and an aerobic aeration, liquid phase and gas phase extraction system connected with the repair wells and the extraction wells, the aerobic aeration and liquid phase and gas phase extraction system comprises air blasting equipment, moisture and nutrient substance blending equipment, landfill gas extraction equipment and leachate extraction equipment, the air blasting equipment is connected with the repair well, and an inlet connected with the moisture and nutrient substance blending equipment is formed in the air blasting equipment; and the landfill gas extraction equipment and the leachate extraction equipment are connected with the extraction well. According to the utility model, comprehensive treatment of the refuse landfill is realized, and the system is not only suitable for in-situ treatment of stock refuse without excavation and departure, but also suitable for stabilization pretreatment of stock refuse excavation, departure and ex-situ treatment.

The utility model discloses a vehicle-mounted dehumidification protection air temperature type carbon dioxide gasification pry. The device comprises a protection box body and a gasifier located in the protection box body, the gasifier is provided with a gasification tube bundle, the front end of the gasification tube bundle is connected with the liquid separation side of a high-pressure common rail pipeline, and the rear end of the gasification tube bundle is connected with a carbon dioxide outlet pipeline through a collection box; the top of the protection box body is provided with a fan, the side face is provided with a shutter, and the bottom is provided with a dehumidification protection net and a folding protection bottom plate. And the fan adopts a blowing type or induced air type working mode, and adopts different air inlet modes according to different air humidity conditions, so that the gasification efficiency and stability are improved. According to the forced convection heat exchange principle, based on the bottom dehumidification device, the inertia separation technology of gas-liquid speed steering is utilized, two different operation states of the draught fan are adopted, and all-weather efficient, stable and safe high-pressure gasification operation is achieved by matching angle adjustment of the shutters on the two sides and air injection and entrainment to remove the influence of the boundary effect of the wall face.

The invention discloses a multifunctional intelligent cleaning wall-climbing type robot for photovoltaic panels. Comprising a hard scraper, a rolling brush, a rolling brush fixing frame, a transverse frame support, a front-end transverse frame, a water purification pipe, a main shell, a flow divider, a main body upper cover, a supporting arm base, a rotary disc, a large supporting arm, a small supporting arm, a supporting arm motor, an air pump, a telescopic mechanism, an adjustable suction cup, a crawler belt, a driving wheel, an auxiliary wheel, a water suction scraper, a sewage pipe, a transverse frame middle support, an electric telescopic device, a heating pipe and a blower device. The wiping head is connected with the friction brake; the power battery is connected with the water pump; according to the cleaning robot, shoveling, brushing, scraping and drying type cleaning is achieved, and the problems that an existing robot cannot thoroughly clean stains, and secondary pollution is caused by water stains left after cleaning are solved; the functions of skid resistance and easy steering of the robot are achieved, and the problems that an existing robot deviates when walking and is not flexible in steering are solved. The robot can automatically cross the gap between the photovoltaic panels, and the problem that an existing robot needs manual assistance to avoid obstacles is solved.

The utility model relates to the technical field of traditional Chinese medicinal material treatment, in particular to material screening equipment for traditional Chinese medicinal material treatment, and aims to solve the technical problems that a traditional winnowing technology is low in separation precision, poor in adaptability to medicinal materials with different densities and shapes and prone to causing medicinal material loss. Comprising a feeding mechanism, a winnowing box, an air inlet channel, an air channel, a discharging channel, an air pipe, an air outlet, a ball valve, a sliding plate, a connecting plate, a hydraulic cylinder, a support, a feeding shell, feeding blades and a feeding shaft, a draught fan blows air into the winnowing box through the air inlet channel to conduct winnowing on medicinal materials, and then high-speed airflow carries the medicinal materials to enter the next winnowing box through the air channel. The wind power in the next winnowing box is reduced by adjusting the opening degree of the ball valve, impurities with the quality slightly close to that of normal medicinal materials are further removed, in this way, during multi-stage treatment, complete separation of the medicinal materials and the impurities and impurity removal, all the sliding plates are controlled to slide out at the same time, the winnowing boxes are communicated with one another, impurities fall down and are discharged through the bottom winnowing box, and impurity removal is completed.

The invention relates to the technical field of metal powder processing, in particular to powder processing cooling equipment which comprises a cooling box and a feeding hopper. The metal powder cooling device further comprises an evaporative cooling mechanism, a coil cooling mechanism, an air blower, an exhaust pipe and a material receiving mechanism, cooling liquid is injected into a cooling cavity of the cooling box, the evaporative cooling mechanism conducts primary cooling on metal powder conveyed by the feeding hopper through cooling liquid fog drops, the evaporative cooling mechanism is connected with the coil cooling mechanism, and the coil cooling mechanism is soaked in the cooling liquid. The air blower blows air to the coil pipe cooling mechanism so that the metal powder can be conveyed in the coil pipe cooling mechanism, the metal powder exchanges heat with cooling liquid through the coil pipe cooling mechanism in the conveying process to be subjected to secondary cooling, and the exhaust pipe is used for exhausting gas blown into the coil pipe cooling mechanism by the air blower. The material receiving mechanism is used for receiving the metal powder output by the coil pipe cooling mechanism; the metal powder is subjected to multi-stage cooling in the conveying process, the cooling efficiency is high, dust generation and diffusion are reduced, and the environmental protection property is good.

The silicon wafer texturing device comprises a texturing groove, a drying groove and a grating basket, the drying groove is provided with a plurality of blower nozzles, the blower nozzles are uniformly distributed on the inner wall of the drying groove, and the blower nozzles are connected with a blower device so as to carry out blast drying on the textured silicon wafer. A plurality of grid holes are uniformly formed in the side wall and the bottom of the grid lifting basket, a silicon wafer to be cleaned is suitable for being placed in the grid lifting basket, and a lifting point is arranged at the top of the grid lifting basket, so that the grid lifting basket is lifted into the texturing groove for texturing through a lifting device, and the grid lifting basket is lifted into the drying groove for drying after texturing is completed. According to the invention, the silicon wafer is placed in the texturing groove and the drying groove in a hoisting manner, so that personnel are prevented from being in direct contact with texturing treatment liquid, and the operation safety is improved. And by arranging the drying groove and the blower device, the textured silicon wafer can be directly put into the drying groove for blast drying, so that the drying efficiency is improved.

The invention relates to the technical field of dust concentration measurement, and particularly discloses a dust concentration intelligent detection device and method, the dust concentration intelligent detection device comprises a shell assembly, the shell assembly comprises a main shell, a ventilation pipe is arranged on one side of the main shell, a top shell is arranged above the ventilation pipe, a bottom shell is arranged below the ventilation pipe, and an air blowing assembly is arranged in the ventilation pipe; a rotating assembly is arranged in the main shell, an air blowing assembly is arranged outside the rotating assembly, a dust collection assembly is arranged on one side of the rotating assembly, and a measuring assembly is arranged on the bottom side of the air blowing assembly. And under the reflection of the oblique light source of the measuring assembly, by utilizing the sensitivity of light reflection, a descending minimal variable is converted into a moving huge variable after the light is reflected, so that the magnification observation of the weight is facilitated, and the accuracy of the experiment is improved.

A vehicle control system and method based on an air flow rate, control introduction of outside air based on an estimated driving current value of a blowing device, obtained through a current model preset based on a calm wind state, and an estimated air flow rate value of an inlet, obtained through an air flow rate model preset based on an outside wind state.

The invention relates to a method for measuring and calculating the combustion rate of mixed pulverized coal for injection at different blast temperatures. The method comprises the following steps: 1) determining evaluation parameters of the mixed pulverized coal related to the combustion rate; 2) setting a contribution value of each evaluation parameter to combustion rate measurement and calculation; 3) setting the contribution value of the blast temperature to the combustion rate of the mixed pulverized coal; 4) setting correlation coefficients of the blast temperature and the evaluation parameters for the measurement and calculation of the combustion rate of the mixed pulverized coal; and 5) establishing a mixed pulverized coal combustion rate calculation formula, and setting an error compensation coefficient. On the basis of fully considering the mathematical correlation between the component composition of the mixed pulverized coal and the combustion rate, the method for predicting the combustion rate of the mixed pulverized coal for injection at different blast temperatures is accurately obtained, and the method is simple and high in feasibility, so that the method is suitable for coal type selection and matched use of a blast furnace coal injection process. Important technical references are provided for predicting the combustion effect and the utilization efficiency of pulverized coal in the blast furnace, and a reliable basis can be provided for overall improvement of a blast furnace coal injection process system.

The invention relates to an intelligent aeration system and a control method, and belongs to the technical field of sewage treatment. The system comprises a clean water tank, an aeration tank, a data acquisition unit, a PLC control unit and an aeration unit. The system dynamically calculates the required DO set value by collecting the inlet water chemical oxygen demand, the clear water ammonia nitrogen concentration, the sludge concentration and the sewage temperature of sewage in real time, calculates the difference value between the actual DO value and the required DO set value, calculates the aeration amount needing to be adjusted, and finally adjusts the blast volume through the aeration unit. The problems that a traditional aeration system is high in energy consumption and low in control precision are solved, insufficient aeration or excessive aeration can be effectively avoided, and stable effluent quality is guaranteed.

The present invention relates to a pickling system capable of preventing hydrogen accumulation, comprising a pickling tank. A plurality of acid mist exhaust ports are formed in the tank top of the pickling tank, each acid mist exhaust port is connected to a corresponding acid mist discharging pipe, each acid mist discharging pipe is connected to an acid mist purification pipe, and the acid mist purification pipe is connected to an acid mist purification mechanism; and auxiliary air nozzles are each arranged at the inlet and the outlet of the pickling tank. In addition, the present invention also relates to a production control method for the pickling system. In the present invention, the pickling system is capable of operating in a normal production working condition and an emergency working condition, and in the emergency working condition, auxiliary air is sprayed into the pickling tank by means of the auxiliary air nozzle, so that a normal exhaust type acid mist discharging mode is switched into an air supply type acid mist discharging mode, and acid mist and hydrogen accumulated in the tank can be rapidly discharged, thereby ensuring the operation safety and reliability of the pickling system.

The utility model relates to the technical field of laying hen breeding, in particular to a laying hen breeding ventilation system with a feedback signal, which comprises a frame body, first air deflectors are rotatably mounted on the upper and lower parts of the frame body, a rotating shaft is fixed at one end of each first air deflector, the rotating shaft movably penetrates through the frame body and is fixedly connected with a gear, and the outer wall of the gear is meshed with a spur rack. Air blown by the fan is guided into the frame body, meanwhile, the lead screw motor is started to drive the lead screw sliding block to move, accordingly, the spur rack can be driven to move, the gear is driven to rotate, the first air guide plate is driven to adjust the angle, the adjusted angle can be accurately controlled through the angle sensor, and therefore accurate air guide is achieved; the wind can be accurately blown to the positions of the laying hens, so that accurate ventilation and air exchange are realized.

The invention relates to spraying equipment for preventing and controlling atmospheric pollution in the field of spraying devices, and through a plurality of nozzles mounted on a rotating ring and an inserting cylinder driven by an electric push rod, the nozzles are quickly replaced, the spray particle size is quickly and accurately adjusted, and the mode of manually replacing the nozzles is replaced; the spray particle size adjusting efficiency and accuracy are improved, the requirement of low-temperature weather for the fog drop particle size is met, fog drop icing is delayed, and the dust adsorption capacity of fog drops at the low temperature is improved; meanwhile, the spray particle size is detected in real time through a laser particle size instrument arranged on the front side of the air blowing cylinder, and when it is found that the spray particle size does not meet the requirement, early warning is given out in time to remind an operator to conduct maintenance, and waste of sedimentation liquid is reduced; in addition, by arranging a heating sleeve and a heat exchange pipe, the sedimentation liquid is preheated and heated in winter, the freezing speed of the fog drops is further delayed, the dust particle adsorption effect of the fog drops is improved, and energy is saved.

The invention relates to the technical field of drying boxes, and provides an electrothermal blowing drying box which comprises a box body and further comprises a plurality of drying trays, a hot air mechanism, a protective cover and a stirring mechanism, the drying trays are located in the box body and used for containing objects to be dried, and the hot air mechanism is used for conveying hot air into the box body; the hot air mechanism comprises a heating bin, a hot air channel, air blowing blades and an exhaust pipe, a temperature controller is installed in the heating bin, an air inlet is formed in the box body and communicates with the heating bin, the hot air channel is formed in the side wall of the box body, the air blowing blades are rotatably arranged in the heating bin, and the exhaust pipe communicates with the top of the box body; the protective cover is fixedly connected to the box body, a plurality of filtering holes are formed in the protective cover, and the stirring mechanism is used for stirring the to-be-dried objects in the drying tray. According to the technical scheme, the problem that in the prior art, dust adheres to the surface of a dried object, and the quality of the dried object is affected is solved.

The invention relates to the related technical field of precision part machining, in particular to a feeding device for precision part machining, which comprises a machining machine tool, a machining tool magazine seat and a machining table, and is characterized in that a stepping screw rod for driving the machining table to move is arranged at the inner bottom of the machining machine tool through a machine tool base; a base guide rail used for limiting and guiding the machining table is arranged on the side edge of the stepping screw rod in the machining machine tool. Chippings on the periphery of the stepping screw rod which rotates are cleaned through air blowing spray heads in the air blowing cleaning assembly, and the multiple air blowing spray heads which are precisely designed are ingeniously arranged in the key peripheral area of the stepping screw rod; continuous clean compressed air flow is utilized to form a directional air flow barrier, the upper surface of the lead screw is protected, meanwhile, the periphery of the lead screw can be cleaned, scraps on the base guide rail are cleaned in a back-and-forth swinging mode by twisting a cleaning plate in the cleaning assembly, the cleanliness of the base guide rail is improved, and the feeding stability performance of the machining table is improved.

The invention belongs to the technical field of plate feeding, and particularly relates to a plate feeding device for furniture and bathroom manufacturing, which comprises a conveyor, a guide table is arranged on one side of the conveyor, and a plurality of universal balls are arranged on the guide table. The automatic lubricating device further comprises an auxiliary pushing mechanism, a plate weight detection feedback mechanism, a conveying force regulation and control mechanism, an automatic lubricating mechanism, an air blowing cleaning mechanism, a lubricating triggering mechanism and a PLC. The weight of plates can be synchronously detected and fed back during material pushing, then the conveying force of the conveyor is automatically adjusted and controlled through the conveying force adjusting and controlling mechanism, lubricating operation on a chain of the conveyor can be triggered at intervals, abrasion of the chain is reduced, noise generated when the chain works is lowered, the service life of the chain is prolonged, and the service life of the conveyor is prolonged. And the lubricating frequency can be automatically regulated and controlled based on the tensioning degree of the chain, and the higher the tensioning degree is, the higher the lubricating frequency is.

The invention provides an intelligent copper blowing system based on multi-modal sensing. The intelligent copper blowing system comprises a multi-modal sensing system, an intelligent decision and control module, a real-time simulation system, an air supply system and a flexible sealing smoke hood. The multi-mode sensing system collects melt components in the furnace, temperature field distribution, equipment operation states and environmental pollutant concentration data in real time. And the intelligent decision and control module predicts a flow field and pollutant diffusion path through a real-time simulation system based on the sensing data, and generates a dynamic control instruction. The air supply system adjusts the blast pressure and the oxygen concentration according to instructions, the flexible sealing smoke hood dynamically adjusts the expansion amount of the sealing apron board, and smoke leakage is restrained. The smelting efficiency can be improved, pollutant emission is reduced, and the service life of equipment is prolonged.

A battery housing body 1 includes: a housing 11 which has an intake port 11a and an exhaust port 11b and houses at least one battery cell 2; a blowing part 14 which generates a flow of air from the intake port 11a to the exhaust port 11b inside the housing 11; and an active gas removal part 15 which removes active gas generated from at least one battery cell 2 and discharged from the exhaust port 11b by a flow of air.

The invention discloses a high-efficiency high-fire combustion system which is characterized by comprising a furnace end assembly, an injection pipe, a gas distribution ring, an air door plate, an air blowing box, an air blower and a valve body assembly, the air door hole extends towards the air inlet end of the injection pipe to form an air door ring wall; the outer wall of the part, extending into the blast cavity, of the gas nozzle and the annular wall of the air door form a blast air guide channel; the air blowing and guiding channel is arranged on the periphery of the gas nozzle in a surrounding mode. According to the invention, in a high-fire combustion state, the bypass air channel supplements additional high-fire gas to the high-fire gas supply cavity on the front side of the gas distribution ring through the high-fire gas supply cavity, meanwhile, the air blower is started, additional air is blown to the air blowing cavity through the air blowing box, and the additional air is forwards sent out through the air blowing and guiding channel; and a continuous, stable and high-speed'air curtain barrier 'is formed on the periphery of the outlet of the gas nozzle. The annular air curtain can resist external pressure fluctuation even if the blower operates at high power to generate strong wind.