12results about How to "Flexible flow control" patented technology

The application relates to the field of piezoelectric pumps, in particular to a micro-nano piezoelectric air pump with air inlet and outlet on the same surface, which comprises a rack mechanism, an oil tank, an engine, a battery assembly and a silencer which are sequentially installed on a rack body, a moving piece located outside the rack body, a shell piece arranged outside the oil tank, a control piece arranged on the top of the shell piece and a tool box installed on one side of the shell piece. The piezoelectric ceramic prepared by adopting the micro-nano process is combined with the laser welding assembly mode instead of the adhesive assembly mode, so that the reliability risk of the aging of the adhesive layer and the decrease of the bonding force in the high-temperature, high-humidity and low-temperature environment is avoided, the air tightness and long-term consistency between the layers are ensured, and the durability of the product under the harsh working conditions such as vibration and mechanical impact is remarkably improved. Thirdly, the air inlet, the air outlet and the air exhaust are completed on the same structure surface, the flow path layout and the number of parts are simplified, and the assembly complexity and the cost are reduced.

The application relates to a feedback device for a steam sterilization and maturation equipment, and belongs to the technical field of feed processing equipment. The device comprises a temperature measuring mechanism, a material containing mechanism, a conversion mechanism and a control mechanism. The temperature measuring mechanism is arranged in a sterilization and maturation tank and is used for detecting the temperature of feed. The material containing mechanism is arranged below the sterilization and maturation tank and is used for receiving the feed in the sterilization and maturation tank. The conversion mechanism is arranged below the outlet of the sterilization and maturation tank and above the material containing mechanism and the input end of a conveying mechanism. The conversion mechanism is used for selectively connecting the outlet of the sterilization and maturation tank with the material containing mechanism or the input end of the conveying mechanism. The control mechanism is electrically connected with the sterilization and maturation tank, the temperature measuring mechanism and the conversion mechanism. The application can solve the problem of excessively high maturation degree of feed after sterilization and maturation.

The invention relates to the technical field of dyeing process quality monitoring, and discloses a sodium ion concentration detection all-in-one machine based on turbidity, chromaticity and PH. The sodium ion concentration detection all-in-one machine comprises a plurality of detection tubes, a mounting frame is mounted in each detection tube, a plurality of rotating rods are sequentially arranged in the middle of each mounting frame from top to bottom in a rotating mode, a plurality of driving blades are mounted on the outer wall of each rotating rod, and the driving blades are arranged on the outer wall of each rotating rod. A plurality of detection components are sequentially arranged on the outer wall of each detection tube from top to bottom in a penetrating manner and are respectively used for detecting the PH value, the chromaticity, the turbidity and the sodium ion concentration of the dye liquor before discharge, a brush head is arranged at one end, close to the detection components, of each rotating rod, and a cleaning driving assembly is arranged at the top of each detection tube. Through intelligent backflow design, qualified dye liquor recycling and unqualified dye liquor reworking are achieved, dyeing consistency is improved, waste is reduced, the equipment has the automatic cleaning and redundancy detection functions, uninterrupted detection is achieved, cross contamination is avoided, water consumption is reduced through a circulating cleaning system, dirty liquid is recycled, and the production cost is reduced.

The utility model discloses evaporation equipment. A steam inlet pipe is installed on the outer wall of one side of the shell, and a steam outlet pipe is installed on the side, away from the steam inlet pipe, of the shell; the heat exchange assembly comprises a heating pipe, the output end of the heating pipe is in threaded sealing connection with an end cover, and a flushing pipe and a discharging pipe are fixedly installed on the outer wall of the end cover; the washing assembly is fixedly installed on the outer wall of the end cover, the washing assembly comprises a liquid supply pipe and a spray head, the spray head penetrates through the washing pipe and extends to the inner wall of the heating pipe, and the spray head is matched with the liquid supply pipe, an electromagnetic valve, a blow-off pipe and other components to form a complete washing and blow-off system; when the heating pipe is used, all-directional flushing can be carried out on the interior of the heating pipe by flushing fluid through the spray head only by opening the electromagnetic valve, residual materials and dirt in the pipe can be rapidly removed, scaling accumulation can be effectively prevented, and a powerful guarantee is provided for long-term stable operation of equipment.

The utility model discloses a regenerated water treatment system, include: ion exchanger for carrying out water quality treatment and produce regenerated flushing water, ultrafiltration recovery water pool is used for recycling and storage can be reused water, chemical wastewater pool is used for storing and processing the effluent wastewater, two plug valves are arranged respectively in: ultrafiltration recovery water pool and chemical wastewater pool ditch junction, chemical wastewater pool entrance, be used for controlling the switching of water flow direction, on -line instrument is used for real -time monitoring the operation data of ion exchanger, and according to data judges whether recycled use or discharges to wastewater pool with regenerated flushing water, this regenerated water treatment system utilizes ultrafiltration recovery water pool and can be recycled to raw water pretreatment use, and two plug valves are added in the intercommunication of ultrafiltration recovery water pool ditch and chemical wastewater pool ditch, one is added in the entrance of chemical wastewater pool, and one is added in the intercommunication of ultrafiltration recovery water pool ditch and chemical wastewater pool ditch.

A low-NOx ammonia-coal stable combustion swirl burner relates to the field of clean combustion of coal with low carbon and low NOx. This invention addresses the problems of ammonia slip and high NOx emissions in existing ammonia-coal co-combustion technologies. In this invention, a primary air / pulverized coal duct is fitted onto a central NH3 duct, forming a primary air channel between them. An outer NH3 duct is fitted onto the primary air / pulverized coal duct, forming an NH3 channel between them. An inner secondary air duct is fitted onto the outer NH3 duct, forming an inner secondary air channel between them. An outer secondary air duct is fitted onto the inner secondary air duct, forming an outer secondary air channel between them. Tangential and axial blades are respectively installed in the inner and outer secondary air channels. This invention is used for pulverized coal swirl combustion.

This utility model discloses a pneumatic high-viscosity lubricating oil refueling device, comprising: an oil tank, which is a cavity with an opening at the top, a sealing cap installed at the top of the oil tank, and a discharge pipe installed at the bottom of the oil tank; a pressure pipe, which is placed on one side of the oil tank, an air filter installed at one end of the pressure pipe, and a diversion pipe connected to the sealing cap fixed in the middle of the pressure pipe. The beneficial effects of this utility model are: by connecting the pressure pipe to a high-pressure gas source, compressed air is used to pressurize the inside of the oil tank, so that the high-viscosity lubricating oil is discharged from the discharge pipe under pressure; solenoid valves are installed on the outside of the diversion pipe and in the middle of the pressure pipe. By controlling the opening and closing of the solenoid valves, the flow direction of compressed air can be flexibly controlled, realizing the switching between different operations such as pressurizing the oil tank and pressurizing the inside of the sealing cap, thus meeting different working needs.

The utility model discloses a heat treatment cooling device for screw production, which comprises transmission frames, baffle plates, a conveyor belt, hollow shafts, rotating shafts, an air bin and a controller, the conveyor belt is arranged between the transmission frames, the hollow shafts distributed at equal intervals are arranged in the conveyor belt, the rotating shafts distributed at equal intervals are rotatably inserted in the upper ends of the transmission frames, and the air bin is arranged in the air bin. Baffles are symmetrically welded to the inner wall of the conveying frame, temperature sensors distributed at equal intervals are embedded in the surfaces of the baffles, the outer wall of the end, penetrating through the conveying frame, of a hollow shaft is sleeved with an air bin, a controller is installed on the outer wall of one side of the air bin, and the lower surface of the air bin is connected with an air conveying pipe. According to the screw conveying device, screws can be continuously conveyed and cooled in the conveying process, the cooling temperature can be controlled in real time, the cooling effect in the heat treatment process is guaranteed, meanwhile, the screws on the surface of the conveying belt can be turned over through the cam and the turning plate, and cooling comprehensiveness and the cooling effect are guaranteed.

The invention discloses a sub-library request management and control method, device and equipment and a storage medium, and relates to the technical field of information transmission, and the sub-library request management and control method comprises the steps: obtaining a total sub-library list and sub-library information corresponding to a current sub-library; determining a first preorder sub-library corresponding to the current sub-library based on the total sub-library list and the sub-library information, and determining the latest request time of the first preorder sub-library; calculating request sending time corresponding to the current sub-library based on the recent request time; and performing request management and control on the current sub-library based on the request sending time. The request sending time is determined according to the total sub-library list and the sub-library information corresponding to the current sub-library, so that dependence on a centralized gateway or queue is avoided, dependence on a single control point is reduced, the risk of single-point failure is reduced, the request processing efficiency is improved, the communication overhead is reduced, flexible flow control is realized, and the user experience is improved. And therefore, excessive requests for the hotspot resources are avoided.

The invention relates to a regenerated DMT decoloration recovery method and system, and the method comprises the following steps: a first purification tank, a second purification tank and a third purification tank are sequentially connected in series; dimethyl phthalate to be recycled is added into a first purification tank, a second purification tank and a third purification tank; monitoring the real-time temperatures of the dimethyl phthalate in the first purification tank, the second purification tank and the third purification tank, and heating the dimethyl phthalate in the first purification tank, the second purification tank and the third purification tank when the real-time temperatures of the dimethyl phthalate in the first purification tank, the second purification tank and the third purification tank are lower than a first preset value; compared with the prior art, the method has the advantages that the material flow direction is flexibly controlled according to the dimethyl phthalate purification degree; when the purifying agent of any one purification tank is replaced, normal work of the other two purification tanks is not affected, continuous decoloration can be achieved, efficiency can be improved, and dimethyl phthalate can be prevented from being converted into a solid state.

The utility model discloses a kind of glue injection devices for door and window glass installation, specifically related to door and window installation technical field, including support frame, the inside fixed setting of support frame is provided with main glue cylinder, the top of main glue cylinder is throughly provided with inlet pipe, the top of inlet pipe is threadedly connected with sealing cover, the inside of support frame is provided with stirring mechanism, stirring mechanism includes the small motor of fixed setting in the top of support frame, the output of small motor is fixedly provided with shaft, the output of shaft is fixedly provided with support frame, the surface of support frame is fixedly provided with scraping strip, the surface of shaft is fixedly provided with multiple horizontal stirring rods. The utility model realizes that glue solution is evenly stirred in all directions, and overall structure is compact and reasonable, and precise glue injection is realized by inflation extrusion, and adjustable flow control valve is matched, can flexibly control glue discharging speed and flow according to different scenes, adapt to the installation needs of multiple door and window glass.

This utility model relates to a methanol mining truck cargo box structure and a methanol mining truck, belonging to the field of hybrid vehicles. The technical solution is as follows: a methanol mining truck cargo box structure includes a cargo box body and an exhaust mechanism. The exhaust mechanism includes an air intake device and a heating device. The heating device includes a heating chamber located at the bottom of the cargo box body and its area is adapted to the bottom area of ​​the cargo box body. The air intake device is connected to the front of the heating chamber. A vertical air duct is provided at the rear of the heating chamber. A smoke exhaust port is opened at the upper end of the vertical air duct, and a water outlet is provided at the lower end of the vertical air duct. In this solution, a vertical air duct is provided at the rear of the cargo box body. The exhaust gas passing through the heating chamber is discharged upward from the vertical air duct, guiding water vapor to a high position for discharge, making it higher than the driver's rearward line of sight, greatly reducing interference with visibility. At the same time, as the exhaust gas rises in the vertical air duct, it condenses on the inner wall of the air duct and is discharged from the bottom water outlet, further reducing the water content of the exhaust gas.