15results about How to "Eliminate clogging" patented technology

This invention discloses a flue gas denitrification device and method for thermal power plants. The flue gas denitrification device includes: a primary cyclone separator, a secondary electrostatic precipitator, a denitrification tower, a steam heating assembly, and a control module. The secondary electrostatic precipitator is located downstream of the primary cyclone separator in the flue gas flow direction. The denitrification tower is connected to the secondary electrostatic precipitator via a conveying pipe. One end of the conveying pipe is connected to the outlet of the secondary electrostatic precipitator, and the other end is connected to the inlet of the denitrification tower. A temperature sensor is installed on the conveying pipe. The steam heating assembly is used to introduce steam into the conveying pipe. According to this invention, the flue gas denitrification device for thermal power plants effectively removes large and fine dust particles, eliminates the risk of dust clogging and poisoning of the denitrification catalyst, improves the uniformity and efficiency of the denitrification reaction, and avoids dust clogging of the atomizing nozzles, thereby improving denitrification efficiency.

The application relates to an automatic blockage cleaning device, method and electronic equipment for a coal conveying and screening system, wherein the automatic blockage cleaning device comprises a control system and an execution device for dredging screen holes; the control system comprises a monitoring unit, a processing unit and an output unit; the monitoring unit is used for acquiring screen underflow material information of the coal conveying and screening system in real time, the screen underflow material information being material yield meeting screening conditions; the processing unit is used for calculating average yield within a preset time according to the screen underflow material information; and the output unit is used for outputting a first control signal according to the average yield, the first control signal being used for controlling running or closing of the execution device. The application has the effect of realizing mechanicalization and automatic blockage cleaning of the coal conveying and screening system, and avoids various problems generated in the process of manually cleaning blockage.

This utility model relates to the field of air conditioner technology, and discloses a heat pump defrosting system and an air conditioner. In the heat pump defrosting system, the high-temperature, high-pressure refrigerant gas discharged from the compressor is directly introduced into the defrosting pipe assembly mounted on the chassis, fully utilizing the inherent high-temperature exhaust waste heat during system operation as a heat source. This design eliminates the traditional electric heating wire method, achieving chassis defrosting with zero additional energy consumption; it eliminates the need for independent electric heating elements and a matching detection and control system, significantly reducing hardware costs and circuit complexity. The high-temperature refrigerant efficiently and evenly melts the ice layer as it flows through the chassis defrosting pipe, ensuring smooth discharge of defrosting water. This not only effectively eliminates poor defrosting, duct blockage, and heating attenuation caused by chassis icing, but also improves overall energy efficiency by directly utilizing the system's circulating energy, significantly enhancing the reliability and economy of the air conditioner under long-term heating conditions.

A kind of desktop fume exhaustor with oil collection guide structure, the front end of fume exhaustor shell is inclined and arranged downward;The front end of fume exhaustor shell is provided with inwardly retracting retracting ring wall;Retracting ring wall is provided with annular mounting groove for mounting filter screen assembly;Retracting ring wall and the front end of fume exhaustor shell form oil collection groove;Lower oil outlet is opened near the bottom end of oil collection groove;The top of base body is provided with inclined oil guide cavity, which is below the lower oil outlet;Inclined oil guide cavity is communicated with one side of the upper end of oil guide column;Inclined oil guide cavity and oil guide column are integrally formed structure.The utility model, oil collection groove and inclined oil guide cavity are both large-space buffer oil guide space, and oil stain is not easy to produce blockage.By designing inclined oil guide cavity and oil guide column as integrally formed structure, the gap of traditional multi-section oil guide pipe column joint is completely eliminated, the whole oil circuit is ensured to be airtight, and the cleanliness and reliability of product are significantly improved.

The utility model relates to diaphragm coating technical field especially relates to a kind of coating feed system, it includes material box, for storing slurry;Stirring device, the stirring device with the material box is communicated by discharge pipeline, pollution discharge component is set on the discharge pipeline, the pollution discharge component can be communicated or disconnected with the discharge pipeline;First filter, the first filter is communicated with the discharge port of the stirring device by first communication pipeline;Cleaning water inlet component, the cleaning water inlet component is set on the first communication pipeline, the cleaning water inlet component can be communicated or disconnected with the first communication pipeline;Pump, the liquid inlet of the pump is communicated with the first filter, the liquid outlet of the pump is communicated with the liquid inlet of the material box.The utility model can effectively clean pipeline, to eliminate slurry blockage, eliminate the problem of burst pipe.

The utility model discloses a kind of down drying equipment for down jacket processing, belong to down drying technical field, including drying cabinet, the middle portion inner wall of drying cabinet is horizontally fixedly connected with lower plastic screen, the top inner wall of drying cabinet is horizontally fixedly connected with upper plastic screen, the top side middle portion of drying cabinet is fixedly installed with second motor, the output end of second motor is through drying cabinet and is connected with transmission shaft by coupling, transmission shaft is through lower plastic screen and upper plastic screen and is rotatably connected with second cross with bearing, second cross is horizontally fixed in the inner wall of drying cabinet, the top end of transmission shaft is fixedly connected with cleaning brush, the bottom side of cleaning brush and the top side of upper plastic screen are in abutment, transmission shaft is set between lower plastic screen and upper plastic screen Part is uniformly spaced fixedly connected with six agitating rods on top and bottom, the utility model can effectively break up the down of agglomerate, improve the bulkiness and quality of down, this has certain practicality.

This utility model discloses a medical vacuum negative pressure machine, including a negative pressure generating component, a controller, a pressure detection circuit, and a blockage backflushing device. The negative pressure generating component includes an operating air port, a negative pressure pump, a positive pressure pipeline, a negative pressure pipeline, an inlet pipeline, and an exhaust pipeline. The negative pressure pump has a negative pressure end and a positive pressure end. A negative pressure pipeline connects the negative pressure end and the operating air port, and a positive pressure pipeline connects the positive pressure end and the operating air port. A branch point is provided in the middle of the positive pressure pipeline. One end of the exhaust pipeline is connected to the branch point, and the other end of the exhaust pipeline has an exhaust port. A confluence point is provided in the middle of the negative pressure pipeline, and one end of the inlet pipeline is connected to the confluence point. The other end of the inlet pipeline has an inlet port. The pressure detection circuit is connected to the controller and includes a pressure sensor. It can effectively solve the problem of blockage in the negative pressure pipeline, enabling it to achieve the required negative pressure.

The utility model discloses an automatic powder feeding device for flux-cored wire production relates to flux-cored wire production technical field, this automatic powder feeding device for flux-cored wire production, including powder bin and powder feeding mouth, the powder bin is double -sided wall structure, including the outer shell and inner layer material cavity, and the sealed interlayer is formed between the outer shell and inner layer material cavity, and the interlayer is filled with desiccant granule, and the desiccant granule is the color change silica gel, fills in detachable mesh filter bag, and the powder feeding mouth is set up in the powder bin top, and the powder bin bottom intercommunication powder outlet pipe. The utility model discloses through double -sided wall dry interlayer, sealing cover, humidity monitoring alarm, rotation arch breaking, pipe wall knock and central shaft nitrogen gas etc. Multiple synergistic structure, has built the powder stable conveying system of the collection moistureproof, arch breaking, inert protection in one, effectively prevents the powder moisture absorption and agglomerates, and improves the uniformity, stability and purity of powder feeding.

The utility model relates to an adjacent valve linkage air supply device used in a pneumatic ash conveying system, which comprises at least two air supply valves, two chambers are arranged in each air supply valve, and piston components which push each other are arranged in the two chambers; one side of the same chamber of each gulp valve is connected with a gas conveying pipeline, and the other side of the same chamber of each gulp valve is connected with an ash conveying pipeline; different cavities of every two adjacent gulp valves are connected through a pressure transmission pipe. According to the utility model, the pressure of the ash conveying pipeline is gradually reduced at a constant speed along the flow direction, the blockage of the ash conveying pipeline is eliminated, and the consumption of compressed air can be reduced.

The application discloses a self-cleaning structure of a washing machine and a use method, relates to the technical field of washing machine cleaning, and comprises a washing machine outer drum, an inner drum and a rotating shaft. A plurality of through holes are arranged on the outer drum wall, and a fan-shaped nozzle type spray head is arranged outside each through hole. The jet flow of the spray head passes through the through hole and is directed to the interlayer between the inner drum and the outer drum, and the inner drum tripod dead angle is directionally sprayed. A cleaning agent box, a cleaning agent premixing box, a booster pump and an independent water delivery pipeline are arranged in the washing machine body. The water inlet is communicated with the premixing box, and the premixing box outlet is connected with each spray head through the booster pump. During use, the external water and the cleaning agent are mixed in the premixing box according to a proportion, and the mixture is sprayed into the interlayer by the spray head after being pressurized by the high-pressure pump, so that 360-degree cleaning is realized in cooperation with the self-rotation of the inner drum. The structure adopts a two-stage self-cleaning mode combining chemical dissolution and physical flushing, can effectively remove the residual washing powder and chemical deposits such as scale that are not melted on the tripod, and prevents the spray head from being blocked.

The utility model discloses a fuel cell bipolar plate with a Janus bifunctional microstructure, which comprises a substrate provided with an anode flow field and a cathode flow field. The surface of the anode flow field and the surface of the cathode flow field are each provided with a Janus bifunctional microstructure, and each Janus bifunctional microstructure comprises a hydrophilic microchannel and a hydrophobic microchannel. An air inlet hole is formed in the substrate at the air inlet end of the hydrophilic micro-channel, and the air outlet end of the hydrophilic micro-channel is communicated with the air inlet end of the hydrophobic micro-channel; air outlet holes are formed in the substrate at the air outlet ends of the hydrophobic micro-channels; a transverse groove is formed in the substrate on the side edge of the hydrophilic micro-channel, and a plurality of longitudinal grooves are formed in the substrate on the side edge of the hydrophilic micro-channel at intervals; the lower end of the longitudinal groove is communicated with the hydrophilic micro-channel, and the upper end of the longitudinal groove is communicated with the transverse groove; a plurality of ratchet wheel micro-units which are connected in sequence are arranged on the side edge of the hydrophobic micro-channel, and the adjacent ratchet wheel micro-units form a curvature gradient in the airflow direction to be used for reducing the adhesive force of water drops.

This utility model discloses an anti-clogging suction pipe structure for powder material suction and filling. It includes a feed pipe and an air inlet pipe, with the air outlet of the air inlet pipe connected and fixed to the wall of the feed pipe in a section with densely packed feed holes. This allows the powder material and the suction gas to form a certain solid-gas ratio within the section with densely packed feed holes before being conveyed in the feed pipe. This reduces the conveying resistance of the powder material and improves the pneumatic suction efficiency. Under undemanding operating conditions, it maintains a stable conveying state of the powder material without accumulation or blockage, improving the conveying efficiency, reducing energy consumption of pneumatic suction, and enhancing the reliability and stability of pneumatic suction. Furthermore, by installing an air inlet regulating valve in the air inlet pipe, the solid-gas ratio formed by the powder material and the suction gas can be adjusted to an optimal ratio suitable for the powder material and operating conditions.

This invention discloses an intelligent production line for prefabricated steel structure wall panel frames, divided into a material processing area, a logical sorting area, and an assembly and forming area according to the process flow. The material processing area includes a movable and changeable uncoiling and feeding mechanism and a keel machine. The logical sorting area is equipped with a sorting mechanism and a sorting controller, including a pushing unit and a flipping unit. The assembly and forming area includes an assembly and dragging mechanism, a conveyor line, and a nailing machine. The core of the invention lies in the sorting controller's logical comparison of the preset installation position parameters of the keel truss to be processed in the wall drawings—including the lowest point height value β and the length value λ—with the wall height boundary line h and the length threshold α. This comparison then controls the sorting execution module to adaptively sort the keel truss to the upward flipping area, the downward flipping area, or the short material area. This invention achieves adaptive intelligent sorting and attitude pre-adjustment of the keel truss based on spatial position parameters, significantly improving the flexibility, assembly efficiency, and quality stability of prefabricated steel structure frame production.

The utility model discloses a fertilizer distributor for herba epimedii cultivation, belongs to the technical field of herba epimedii cultivation, and aims to solve the problems that in the prior art, a centrifugal disc type fertilizer distributor does not have a function of damaging caked fertilizer, so that the caked fertilizer is easy to block in a fertilizer feeding device or a centrifugal disc, and the fertilizer distribution effect is poor. The normal operation of the fertilizer discharging work is influenced. Comprising a fertilizer box, a fixing frame is fixedly connected to the outer side of the fertilizer box, a fertilizer spreading mechanism is connected to the lower end of the fertilizer box, an adjusting mechanism is arranged at the lower end of the fertilizer box, a crushing mechanism is arranged in the fertilizer box and comprises a circular plate fixedly connected to the inner side of the fertilizer box, and a filter screen is fixedly connected to the interior of the circular plate; the left end of the upper side of the circular plate is fixedly connected with a left side plate, a first bearing is installed in the middle of the interior of the left side plate, and the inner side of the first bearing is fixedly connected with a reciprocating lead screw.

The invention relates to the technical field of spiral conveying equipment, in particular to a modular material conveying device and a using method. The invention provides a modularized material conveying device which comprises a conveying barrel, a conveying device body, a material conveying device, a material conveying device and a material conveying device. The conveying barrel is provided with a containing space, and materials are contained in the containing space. The spiral blades are arranged in the containing space and comprise at least two blades which are arranged at intervals, and gaps are reserved between the spiral blades and the conveying barrel; and the at least one anti-drag knife is arranged between the adjacent blades, and the anti-drag knife is used for cutting off material bonding between the blades and the inner wall of the conveying cylinder. The invention provides a modularized material conveying device and a using method, and aims to solve the problems that in the conveying process of viscous materials, the materials are extremely prone to adhering to gaps between blades and a barrel wall, after accumulation, the conveying efficiency is reduced till a barrel is completely blocked, and poor use experience is brought to a user.