53results about How to "Control ingress" patented technology

The invention relates to a compressor, in particular to a centrifugal compressor. The centrifugal compressor is mainly applicable to compression of steam and comprises a volute (3) connected with a steam inlet pipe (1) and a steam outlet pipe (2), an impeller (10) and a motor (5). The impeller (10) is arranged in the volute (3), and a power output end of the motor (5) is connected with the impeller (10). The centrifugal compressor is further provided with a water spraying pipe (9) comprising a sprayer (901), the water spraying pipe (9) is arranged on the steam inlet pipe (1), or the water spraying pipe (9) is arranged on the volute (3), and the water spraying pipe (901) faces an inner cavity of the volute (3). By means of the technical scheme, the compression efficiency is high, compression cost is low, performance is stable, reliability is good, and service life is long. The centrifugal compressor achieves automatic control of the pressure and temperature.

The invention discloses an internal mixing steam atomizing nozzle, which includes a nozzle body, and is characterized in that it also includes an oil inlet passage, a steam inlet passage, an oil nozzle and a mixing chamber, and a ring of oil inlet passages is arranged in the nozzle body. There is a circle of steam inlet passage in the oil inlet passage, and an oil nozzle is arranged at the end of the oil inlet passage. The oil inlet passage sends fuel into the mixing chamber through the oil nozzle for mixing, and the steam is sent into the mixing chamber through the steam inlet passage for mixing. , the diameter of the steam inlet passage is greater than the diameter of the oil inlet passage. The invention provides an internal mixing steam atomizing nozzle with simple structure, convenient use, good atomizing effect and fast spraying speed.

The invention relates to method and device for fast preparing white activated rice hull ash. The method comprises the following steps: (1) carrying out diluted acid pretreatment on rich hulls for 2-24 hours; (2) washing the rice hulls subjected to diluted acid pretreatment for many times, and removing impurities in the rice hulls; and (3) directly placing the washes rice hulls into an incineration basket, and incinerating in a furnace body, controlling the grate temperature of the furnace body at the temperature of 600-800 DEG C, and preparing rice hull ash with 50 nanoscale particles, wherein the content of amorphous silica achieves more than 90%, the amorphous silica is white and evenly distributed, and the rich hull ash is loosely stacked. The device comprises an insulating furnace body, the incineration basket, a temperature controller, a thermocouple temperature sensor, a resistance wire, an adjustable air inlet and an adjustable air outlet. The method and the device can be used for fast producing white activated rice hull ash capable of substituting silica fume.

The invention discloses an automatic loading and unloading device for railway goods traffic. The problems that working personnel for railway manual loading and unloading is in shortage, when some specific goods are subjected to truck loading, efficiency is low, the manual loading and unloading work amount on a station is large, and truck loading efficiency at the station is directly affected are solved. The automatic loading and unloading device for railway goods traffic comprises a lifting table, a load bearing frame and a conveying device; a material collecting hopper is arranged above the conveying device; a driving block capable of sliding horizontally in a reciprocating manner in the front-back direction is arranged on the load bearing frame; a first adjusting rod, a second adjustingrod and a drive rod are hinged to the drive block; a guide rod is arranged on the right side of the drive block; the guide rod is fixedly connected with the load bearing frame; a first sliding block and a second sliding block capable of sliding in the left-right direction are arranged on the guide rod; fixing frames are fixedly connected to the first sliding block and the second sliding block correspondingly; a ramp is arranged on the load bearing frame and is provided with an L-shaped supporting rod which can slide along the ramp; and a scrabbling claw is fixedly connected to the front end ofthe L-shaped supporting rod. By means of the automatic loading and unloading device for railway goods traffic, the truck loading efficiency and benefits are improved, and the labor intensity of working personnel is relieved.

The invention discloses a gas-liquid-solid separating controlling valve and relative portable chemical oxygen producer, comprising a valve body 3, a water valve element 10, a valve element sheath 9, a compressing cover 20, a valve rod 17 and a button 21. The invention is characterized in that: the invention has a valve rod guide tube 13 whose lower end is arranged with a water inlet 11, a water feeding gas-insulated sealing sheath 12 and a porous filter membrane 15; the wall of the valve rod guide tube is arranged with an air inlet 14 and a filter air inlet 16; the upper chamber of the valve is arranged with a gas valve element 18, a spring 19 and an air outlet 22. The portable chemical oxygen producer is formed by an oxygen-generating room 1, a cover 23, an oxygen inlet tube 5, an oxygen inlet nose plug 6, a gas-liquid-solid separating controlling valve and an agent box 7. The invention can control the separation between liquid and solid, and between the liquid and gas. The invention presets the oxygen agent into the agent box.

The invention belongs to the technical field of medical instruments and in particular relates to a medicine crushing device for pediatric blood tumor nursing. The medicine crushing device comprises atank body, wherein a partition plate is fixedly connected with the inner side wall of the tank body; the interior of the tank body is divided into a crushing zone and a conveying zone by the partitionplate; an annular plate is fixedly connected with the side wall of the crushing zone; a first spring is fixedly connected with the upper end of the annular plate; a cylinder is inserted into the annular plate; a first spring is arranged on the outer side of the cylinder in a sleeving manner; a baffle plate is fixedly connected with the outer side wall of the cylinder; the lower end of the baffleplate is fixedly connected with the first spring; the upper end of the cylinder penetrates through a through hole in the top plate of the tank body and extends to the upper side of the top plate of the tank body; and an annular limiting plate is fixedly connected with the inner side wall of the cylinder. The medicine crushing device has the advantages that medicines which need to be crushed can beeffectively crushed, meanwhile, the crushed medicines can be quantitatively output outside the tank body, and great convenience can be brought to the nursing process of pediatric blood tumor.

The invention discloses an intelligent injection molding on-line visual inspection system including an injection molding machine, a weight type metering instrument, a plurality of cameras, a weighingsystem and a controller. The injection molding machine is provided with a feeding pipe, and the feeding pipe communicates with a hopper; the weight type metering instrument is arranged in the hopper;the injection molding machine is internally provided with a control manipulator, a driving motor, an injection molding mold and a weighing system; the plurality of cameras are arranged on the controlmanipulator respectively; the controller is mounted outside the injection molding machine. The system is simple in structure principle, convenient to use and high in intelligence degree, can realize the inspection control of the quality of products, traces the results of weighing and metering of a material, achieves contrast and linear relation calibration on the finished product after injection molding and metering data, monitors the injection-molded product quality, material usage amount, product weight and injection molding period of the injection molding machine in real time, and providesoriginal and accurate production large data for managers or customers.

The invention relates to the technical field of paper machine waste paper treatment, and discloses an anti-blocking paper machine treatment box for quantitatively and automatically treating broken paper. The anti-blocking paper machine treatment box comprises a treatment box main body, a rotating wheel is movably mounted in the treatment box main body, a magnet is fixedly mounted at the bottom of the rotating wheel, and air bags are fixedly mounted on the inner walls of the left and right sides of the treatment box main body; and the tops of the air bags are fixedly connected with air guide pipes, a baffle is fixedly installed at the top of an ejector rod, and a water bearing plate is fixedly installed at the right side of a rotary disc. After a water solution does not fall onto the water bearing plate any more, the balance of the water bearing plate is damaged, so that the rotary disc deflects, the ejector rod drives the baffle to vertically move downwards, under the action of magnetic force of two magnets, the air bags restore to the initial shape, an extrusion plate moves towards the inner side of an air cylinder, through holes in a filter plate are enlarged, and the conduction area of the filter plate is increased, so that after the filter plate is blocked, the permeable area of the filter plate is automatically increased, and the effect of preventing the filter plate from being blocked is achieved.

The invention discloses an aluminum chip drying system. The aluminum chip drying system comprises an incineration furnace, a rotary drying furnace and a conveyor; a natural gas feeding device is mounted at the top end of the incineration furnace; one side of the tail end of the incineration furnace is communicated with the rotary drying furnace through an exhaust pipe a; the other side of the tail end is connected with an exhaust pipe b; the exhaust pipe a extends into the rotary drying furnace; a circulating pipe communicated with the incineration furnace is arranged above the left end of the rotary drying furnace; a circulating fan is mounted on the circulating pipe; an aluminum chip feeding pipe is arranged near the circulating pipe; an aluminum chip outlet is formed below the right end of the rotary drying furnace; and the conveyor is mounted at the tail end of the aluminum chip outlet. The aluminum chip drying system has the beneficial effects of reasonable structure design and convenience for operation and use; preheat in the incineration furnace is recovered through the rotary drying furnace for drying aluminum chips; meanwhile, afterheat can be recycled through the circulating fan, so that the energy is saved; the emission of waste gas is reduced; the product quality is improved; the operation cost is reduced; the working efficiency is improved; and the application range is wide.

The invention discloses a rotatable pushing type feeding device, which comprises a hopper, a pushing mechanism, a transport pipe, a rotating mechanism, a motor and a fixed frame; the rotating mechanism includes a rotating motor; the rotating motor is arranged on the fixing machine on the frame; the hopper is arranged on a fixed frame; the frame is provided with a bearing; the inner ring of the bearing is provided with a rotating shaft; the rotating motor and the rotating shaft are connected through gears; It is arranged on a fixed frame; the rotating shaft is connected to the transport pipe through a support rod; the push mechanism includes a push motor; the push motor is arranged on the transport pipe; the push motor is provided with a screw push shaft . The invention can avoid the trouble of secondary transportation, improve work efficiency, reduce workload, and effectively prevent materials from falling during transportation.

The invention discloses a method for controlling the opening degree of an air brake in an air conditioning system. The method comprises the steps of detecting environmental parameters of the air conditioning system on time, and acquiring a return air enthalpy value and a fresh air enthalpy value according to the environmental parameters; determining the adjustment value of the opening degree according to the return air enthalpy value and the fresh air enthalpy value, and adjusting the opening degree of the air brake in the air conditioning system according to the adjustment value of the opening degree so that the supply air volume of the air conditioning system is adjusted. The invention also discloses a device for controlling the opening degree of the air brake, and a storage medium in the air conditioning system. The supply volume of outdoor air can be controlled effectively by adjusting the opening degree of the air brake in a fresh air pipeline according to indoor and outdoor air heat, and the workload of the air conditioning system and the power consumption are reduced.

The invention provides a zero discharge system of garlic processing wastewater. The zero discharge system comprises an adjusting tank, a metal self-cleaning filter, a high-capacity ultrafiltration membrane system, a first middle water tank, a primary MS-R membrane system, a second middle water tank, a secondary MS-R membrane system, a concentrate tank and a multi-effect evaporator, wherein the adjusting tank, the metal self-cleaning filter, the high-capacity ultrafiltration membrane system, the first middle water tank and the primary MS-R membrane system are sequentially connected in a communicated way; a wastewater pipe of the metal self-cleaning filter is communicated with the adjusting tank; a concentrated water pipe of the primary MS-R membrane system, the concentrate tank and the multi-effect evaporator are sequentially connected in a communicated way; a produced water pipe of the primary MS-R membrane system, the second middle water tank and the secondary MS-R membrane system aresequentially connected in a communicated way. The zero discharge system solves the problems of secondary pollution, resource waste and the like in the process of garlic producing wastewater treatment, achieves zero organic wastewater discharge of the garlic processing wastewater and efficient recycling of active components, and achieves the recycling rate of 98% or above.

The invention discloses an instant edible fungus material sterilization device. Connecting lifting lugs are welded to the top ends of four mounting supports correspondingly, the connecting lifting lugs are evenly welded to the top of the outer side of a sterilization barrel, a feeding port is formed in one side of the top of the sterilization barrel, and a feeding pipeline is connected to the top end of the feeding port through bolts. In the sterilization process of the fungus material, a fungus material only needs to be added at the feeding end of a feeding auger pipe, automatic high-temperature sterilization can be carried out through each component in the sterilization barrel, and then the sterilized fungus material can be obtained at the discharging end of the discharging auger pipe, so that the high-temperature sterilization process of the fungus material is optimized, and manual participation in the sterilization process is reduced; and meanwhile, an intermittent high-temperature sterilization mode in the traditional sterilization process is changed into continuous sterilization, so that the high-temperature sterilization efficiency of the fungus material is effectively improved, the sterilization device can continuously sterilize the fungus material in a large scale, and the economic benefits of enterprises are effectively improved.

The invention relates to the field of foot bath devices, and discloses an ultrasonic atomization, fumigating and heating module of a foot bath device. The module comprises a heating shell and a heating assembly, the heating assembly is used for heating water in the foot bath device, the heating assembly is arranged in the heating shell, and the atomization effect is improved; wherein, the high-frequency oscillation is generated through an ultrasonic ceramic piece, so that water at the ultrasonic ceramic piece is atomized, atomized steam moves upwards and is scattered out through flowing holes, the foot bath tub of the foot bath device is filled with the atomized steam, and the function of steaming and fumigating the feet is achieved; first contact bodies and second contact bodies respectively increase the surface areas of a convex shell and the heating shell, so that the contact area with water is increased, and the heat exchange efficiency is improved; the number of the second contact bodies is greater than that of the first contact bodies, so that the number of the square holes is increased; therefore, the inlet amount of cold water or the outlet amount of hot water in each square hole is controlled, heat exchange is achieved with a small flow amount, and the heat exchange efficiency is improved.

The invention discloses a marine product processing device. The marine product processing device comprises a box body, wherein a processing cavity is fixedly formed in the box body; a power cavity located in the box body is fixedly arranged on the left side of the processing cavity; a sliding cavity which communicates with the processing cavity is formed in the right end wall of the power cavity in a communicating manner; a collecting cavity located in the box body is formed in the lower end wall of the processing cavity in a communicating manner; a side cavity located in the box body is formed in the left side of the processing cavity; a transmission cavity which is located in the box body and of which the opening is leftward is formed in the lower end wall of the side cavity in a communicating manner; and a connecting cavity located in the box body is formed between the transmission cavity and the processing cavity in a communicating manner. The marine product processing device disclosed by the invention is simple in structure and convenient to use; and according to the marine product processing device, steam is used for processing seafood circularly, the seafood is transported in an automatic manner, and condiments are applied in an automatic manner, so that the labor cost is effectively reduced.

The invention discloses a grape sorting operation platform which is mainly formed by combining a controller (1), a feeding device (2), a material dispersing device (3), a sorting device (4) and a recycling device (5). According to the grape sorting operation platform, the feeding amount of grapes each time can be effectively controlled through a weighing device, a warning lamp and an electric control bin gate, the grapes are prevented from being damaged at a feeding port section, and the working efficiency is improved. The material dispersing device can disperse grapes entering in piles through vibration and flatly lay the grapes on a material dispersing belt, it can be ensured that the grapes are kept in a flatly-laid state when entering the sorting device, the grapes are prevented from being squeezed and damaged by one another, on the other hand, sorting work of workers is facilitated, the sorting device is divided into three parts for flow division, and the sorting efficiency is improved. A worker sorts one sorting device independently, grape damage caused by mutual influence of the workers is prevented, the device is simple in structure and convenient to operate, the utilization rate of raw materials is effectively increased, the quality of the raw materials of the grape wine is improved, and the production cost is reduced.