14results about How to "Achieve clogging" patented technology

The utility model discloses a plastic wood product production system device which comprises a main material storage and conveying area, an auxiliary material feeding and weighing area and at least one mixed material conveying, extruding and feeding area. A CaCO3 main material storage and conveying unit, a CaCO3 transition unit, two groups of PVC main material storage and conveying units and a wood powder main material storage and conveying unit are arranged in the main material storage and conveying area; a group of auxiliary material pouring bin dedusting and weighing units are arranged in the auxiliary material feeding and weighing area; a mixing unit, a mixture conveying unit and a mixture storage and extrusion feeding unit are arranged in the mixture conveying, extruding and feeding area. The device has the advantages of being efficient in operation, high in weighing precision, good in mixing effect, remarkable in energy conservation, environmentally friendly, high in automation degree and the like.

This invention discloses a catalytic reactive distillation unit, apparatus, and method. The catalytic reactive distillation unit includes: a reaction mass transfer channel, the upper end of which receives low-temperature liquid-phase reactants flowing downwards, and the lower end of which receives high-temperature gas phase flowing upwards; the reaction mass transfer channel contains a catalyst layer and a packing layer, with the catalyst layer positioned above the packing layer, and a first space between them; and a rising gas bypass, located outside the reaction mass transfer channel and connected to the first space. The liquid-phase products after the catalytic reaction merge with the high-temperature gas phase in the packing layer and undergo gas-liquid mass transfer. The rising gas phase after mass transfer carries the light components from the liquid-phase products into the rising gas bypass, completing mass transfer separation. This invention, through the setting of the rising gas bypass, not only increases the gas phase flow rate and effectively reduces the pressure drop within the reaction mass transfer channel, but also effectively solves the space occupation problem of the equipment. This invention can clean the blockage of the catalyst filter without additional power and can realize online replacement of the catalyst and / or packing.

The application discloses a kind of digital intelligence powder type free matching variable viscosity fracturing fluid skid-mounted equipment and control method thereof, belong to oil and gas field development technical field.The equipment includes stirring mechanism, feeding mechanism, water feeding mechanism and discharging mechanism, and is centrally controlled by control box.Feeding mechanism uses first screw conveyor to deliver solid material to stirring tank body;Water feeding mechanism supplies water to tank by water feeding pump and water outlet pipe with electromagnetic valve, and water quantity is monitored by water inlet flow sensor;Discharging mechanism outputs mixed liquid by discharging pump, and viscosity sensor detects fracturing fluid viscosity in real time.Control box connects each sensor and executing component, realizes automatic adjustment and closed-loop control of material proportioning by collecting flow and viscosity data.The application realizes accurate and automatic preparation of fracturing fluid, effectively solves the problem of inaccurate and poor stability of traditional manual proportioning, and significantly improves the quality of liquid preparation and operation efficiency.

The utility model provides a premix mixing machine feeding device which comprises a feeding machine box, the feeding machine box is fixedly connected with a premix through installation stand columns fixedly installed at the four corners of the lower portion of the feeding machine box, and a discharging pipe opening formed in the lower portion of the feeding machine box and a feeding pipe opening of the premix are installed together through flange connection. A driving motor is mounted on a grinding type feeding mechanism mounted in the feeding machine box, and a material storage cavity, a transition cavity and a grinding cavity which are communicated with one another are formed in the feeding machine box; according to the utility model, the integration of material grinding and conveying is realized through the grinding type feeding mechanism, the vertical series cavities enhance grinding by virtue of gravity and a conical structure, the material pushing blocking plate is matched with the feeding hole group to accurately control materials, the feeding efficiency is improved by virtue of cooperation of the spiral blades and the lines, the process is simplified, and the cost is reduced.

The invention provides a photovoltaic ring main unit with a safety performance monitoring mechanism, and belongs to the technical field of ring main units, the photovoltaic ring main unit comprises a shell, safety performance detectors are arranged on the outer walls of the two sides of the shell, a fixing plate is fixedly installed on the inner wall of the shell, a heat dissipation assembly is arranged on the outer wall of the fixing plate, and the safety performance detectors are arranged on the outer walls of the heat dissipation assembly. A cleaning assembly and a dredging assembly are arranged on the inner wall of the shell, the cleaning assembly comprises a motor, a transmission rod and a supporting rod, the motor is fixedly installed on the outer wall of one side of the shell, a power rod is fixedly installed at one end of an output shaft of the motor, and a first driving bevel gear is fixedly installed on the outer wall of one end of the power rod; according to the invention, through the arrangement of the cleaning assembly, dust attached to the probe of the safety performance detector is effectively cleaned, the dust is prevented from being blocked by foreign matters, the safety performance monitoring effect in the ring main unit is greatly improved, and the use effect is good.

The utility model belongs to the technical field of shell-and-tube heat exchangers, and particularly relates to an anti-blocking shell-and-tube heat exchanger with built-in spoiler blades, which comprises a shell, a flow guide cavity is arranged at the position, close to the left side, of an inner cavity of the shell, a plurality of heat exchange tubes are assembled in the inner cavity of the shell, spoilers are fixedly connected to the inner wall of the shell, the heat exchange tubes penetrate through the spoilers, and the spoilers are fixedly connected to the inner wall of the shell. Drainage pipes are fixedly connected to the positions, close to the two sides, of the side wall of the shell, and guide pipes are fixedly connected to the positions, located on the upper side and the lower side of the flow guide cavity, of the side wall of the shell; cleaning plates are arranged on the sides, located on the spoilers, of the inner cavity of the shell, through holes corresponding to the heat exchange pipes are formed in the side walls of the cleaning plates, and the heat exchange pipes penetrate through the through holes. The heat exchange tube can be conveniently cleaned in a non-stop state, dirt blockage is prevented, liquid circulation is prevented from being affected, and therefore the heat exchange effect of the heat exchange tube is improved.

The application discloses a rotary air preheater capable of preventing ammonium bisulfate blockage, wherein a flue gas flow area of the rotary air preheater is divided into a plurality of flue gas sub-areas; a gas burner is arranged in each flue gas sub-area; the gas burner is ignited regularly during normal operation of the rotary air preheater; high-temperature flue gas generated by the gas burner is used for heating heat storage elements in a flue gas heat exchange area; the temperature gradually increases to 260-270 DEG C; ammonium bisulfate adhered to the heat storage elements in the heat exchange sub-area is decomposed into gas at the temperature, so that the heat storage elements in the area are dredged. The heat exchange area in the rotary air preheater is heated to increase the temperature, decompose ammonium bisulfate, clean blockage on line in each load section, and the difference between the primary hot air temperature, the secondary hot air temperature and the flue gas discharge temperature and the design value is small, so that the boiler combustion and the subsequent dust collector of the air preheater are not adversely affected.

This application discloses a convenient water-refilling steamer, relating to the field of steamers, including a casing, steaming racks, a lid, a locking component, and a water-refilling component. When water needs to be refilled, the lid is rotated open, and the squeeze bottle is held, allowing water inside the squeeze bottle to enter the water storage tank inside the casing through a ball and a hose. When holding the squeeze bottle, the hose between the connecting block and the water tank is blocked by a blocking ball, preventing water inside the squeeze bottle from flowing back into the water tank, thus completing the water refill. There is no need to remove the steaming rack for refilling, making it convenient to use. The upper steaming rack cooperates with the lower holding frame through a rotating plate on the side. When the rotating plate is rotated to a vertical position, the groove at the bottom of the rotating plate cooperates with the rotating rod. Under the action of a spring, the abutment block squeezes the rotating rod into the groove at the bottom of the rotating plate, thereby locking the upper and lower steaming racks, making it convenient to lock different layers of steaming racks.

The utility model discloses a fire-fighting pipeline detection device and a lithium battery charging and discharging equipment fire-fighting pipeline detection system, an air duct with a gas inlet and a gas outlet which are opposite and communicated along a first direction is formed in a butt joint piece, and the gas inlet is configured to allow a spray head of a fire-fighting pipe to extend into; the test piece is communicated with the gas outlet, and the test piece can be used for detecting the flow and / or speed of gas introduced into the air duct through the fire-fighting pipe when the gas is discharged from the gas outlet. Meanwhile, the gas inlet is flared relative to the gas outlet in the first direction, so that when the butt joint piece is in butt joint with the spray head of the fire-fighting pipe, the spray head can be ensured to extend into the air channel of the butt joint piece through the flared air channel even if the position of the spray head has certain deviation, and the fire-fighting pipe is prevented from being damaged. Therefore, the gas can be effectively captured and measured, and the connection fault tolerance of the fire-fighting pipeline detection device and the fire-fighting pipe spray head can be improved.

The invention discloses a waste gas treatment device for environmental engineering, and relates to the technical field of waste gas treatment.The waste gas treatment device comprises an exhaust pipe, a connecting pipe is fixedly arranged on the exhaust pipe, the exhaust pipe and the connecting pipe are used for environmental engineering waste gas emission, and the waste gas treatment device further comprises a main body mechanism and a cleaning mechanism, the device has the advantages that on-line automatic cleaning of the filter screen can be achieved, disassembly or shutdown is not needed, the continuity and efficiency of waste gas treatment are remarkably improved, the cleaning process is comprehensive and controllable due to the telescopic and rotary design of the cleaning roller brush, the filter screen is effectively prevented from being blocked, and the service life of the filter screen is prolonged. The combination of the waste pipe and the sealing cover facilitates centralized collection and cleaning of sundries, maintenance is easy and convenient, the whole structure is strengthened through the supporting mechanism, the service life is long, and the device is particularly suitable for continuously operating waste gas treatment systems in environmental engineering.

The application discloses a cyclone type rainwater grate self-cleaning structure and belongs to the technical field of municipal drainage facilities. The cyclone type rainwater grate self-cleaning structure comprises a grate body, a filter frame arranged in the grate body, a filter screen arranged in the filter frame, a connecting ring arranged in the middle of the filter screen, a connecting pipe arranged at the top of the grate body, a top cover arranged at the top of the connecting pipe, a filter plate arranged in the top cover, a driving mechanism arranged at the top of the filter frame, and a plurality of groups of cyclone blades of the driving mechanism. In use, the cyclone type rainwater grate self-cleaning structure can realize automatic cleaning of the rainwater grate without manual intervention. The greater the external precipitation, the better the cleaning effect. The cyclone type rainwater grate self-cleaning structure can improve the overall efficiency of a rainwater drainage system, reduce the occurrence of local waterlogging, effectively reduce the maintenance cost, and is simple in structure, easy to install and maintain, and suitable for large-scale popularization and application.

The utility model discloses a sandstone storage yard spray dust suppression rotating support which comprises a mounting plate, the lower side of the mounting plate is fixedly connected with two supporting blocks, the close sides of the two supporting blocks are fixedly connected with an external pipe, and the inner wall of the external pipe is rotationally matched with a water inlet pipe. By arranging the reset spring, the pressed piston, the push rod, the dust suppression assembly and the like, the water pressure can push the pressed piston to move downwards under the action of the water pressure, the dust suppression assembly is driven to act through the push rod, so that the atomization nozzle extends out of the protection groove to start spraying operation, and in the non-working state, when the internal water pressure disappears, the dust suppression assembly is driven to move through the push rod. The reset spring pushes the pressed piston to move upwards, the atomization nozzle in the dust suppression assembly can be driven to retract into the protection groove, dust and sundries can be prevented from blocking the atomization nozzle installed on the support, the atomization end of the atomization nozzle is protected, the follow-up atomization effect is guaranteed, and meanwhile the service life of the atomization nozzle is prolonged.

The application belongs to the technical field of combined valves of compressors, and particularly relates to an air inlet and outlet combined valve and a compressor with the same, which comprises: an air inlet valve seat for passing fluid medium; an air outlet valve seat installed at the bottom of the air inlet valve seat for discharging fluid medium; an air inlet valve plate movably connected to the inside of the air outlet valve seat for controlling the inlet amount of flowing medium, the bottom of the air inlet valve plate being movably connected with an air inlet spring plate; and an air outlet valve plate movably connected to the inside of the air inlet valve seat for controlling the outlet amount of fluid medium, the top of the air outlet valve plate being movably connected with an air outlet spring plate. The application has the advantages of simple operation, safety and stability, strong adaptability, high regulation and control, compressed flow of different flowing media, high compression efficiency, good compression effect, actual compression demand, high stability, strong continuous flow, good fixed-point cooling effect, stable working environment of the air inlet and outlet combined valve and the compressor, and the like.

This application provides a combustion system, a furnace air duct, and a detection method, system, device, and medium thereof. The method includes: determining the current air pressure difference of the furnace air duct, and the current air pressure difference influencing parameters, including the current fan speed and other influencing parameters; determining a preset correspondence set for the furnace air duct; the preset correspondence includes the correspondence between the fan speed and the air pressure difference in the furnace air duct; determining the theoretical air pressure difference based on the current fan speed and the preset correspondence; correcting the theoretical air pressure difference based on other influencing parameters to obtain the current theoretical air pressure difference; determining the current resistance deviation index of the furnace air duct based on the current air pressure difference and the current theoretical air pressure difference; predicting the target resistance value of the furnace air duct at a target time based on the current resistance deviation index; and detecting the blockage status of the furnace air duct based on the target resistance value.