6results about How to "Guaranteed adsorption efficiency" patented technology

The invention relates to the technical field of space light absorption detection, in particular to a device and a method for detecting gas leakage through a space light absorption method, and the device for detecting gas leakage through the space light absorption method is arranged on the outer wall of a pipeline and comprises a walking shell arranged on the outer side wall of the pipeline. One end of the walking shell is rotationally connected with a pipeline detection assembly, one end of the pipeline detection assembly is provided with a clamping assembly, and the other end of the pipeline detection assembly is provided with a valve detection assembly. The device is suitable for surface crack detection of valves and pipelines, a third driving motor drives a driving gear to rotate to be meshed with an annular tooth groove of a detection frame, so that the detection frame circumferentially rotates around the center of the pipeline, a light absorption detector is fixed to the frame through a double-insertion plate in a matched mode, and a magnetic attraction roller of a walking shell achieves axial movement. A 360-degree three-dimensional detection path is formed with circumferential rotation, the whole area of the valve and the pipeline is covered, traditional detection dead angles are eliminated, leakage of leakage points is avoided, the detection comprehensiveness is improved, and the device can walk automatically and is high in automation degree.

The application discloses a kind of low additional water full recycled concrete based on recycled fine aggregate wet packing gradation optimization and preparation method thereof, belong to building material technical field.The application is classified into three intervals by natural gradation recycled fine aggregate, after pre-wetting to saturated surface dry state, the wet loose bulk density under each mass proportion combination is determined, and the highest density is selected as the optimal artificial gradation;60% of the saturated surface dry water absorption of all recycled aggregates is determined as additional water;cement, recycled fine aggregate, recycled coarse aggregate, initial water and water reducing agent are used to prepare by using the layered feeding process of "cement pre-mixing→ neat paste preparation→ coarse aggregate→ fine aggregate".The obtained concrete has a slump of 160-190mm, a 28-day compressive strength of 25-40MPa, good fluidity, can meet the construction requirements of conventional concrete structure, and does not need chemical modification, low cost, suitable for building solid waste large-scale utilization.

The utility model relates to dust collection equipment field discloses a combined multi -point assembly dust collection equipment, including side hang top suction subassembly and side hang side suction subassembly, side hang top suction subassembly and side hang side suction subassembly replaceably and heading machine connect, side hang side suction subassembly includes the standard air pipe and round air inlet pipe connected in proper order, and the round air inlet pipe is used for and standard air pipe connection, side hang side suction subassembly's standard air pipe and round air inlet pipe all and heading machine side surface connect, side hang top suction subassembly includes the standard air pipe, variable cross section transition pipe, former rotation upper transition pipe, upper rotation former transition pipe and rectangle air inlet pipe connected in proper order, and variable cross section transition pipe is used for and standard air pipe connection, and the section level direction of rectangle air inlet pipe is long side, side hang top suction subassembly's standard air pipe, variable cross section transition pipe and former rotation upper transition pipe all and heading machine side surface connect, upper rotation former transition pipe and rectangle air inlet pipe all and heading machine top surface connect, be suitable for small section potassium salt mine lane or coal lane operation.

This invention discloses a rotating metal blade comb structure for a vacuum cleaner floor brush, comprising: a hair cutting mechanism including a metal blade connecting rod and metal blade comb teeth, the metal blade comb teeth and the roller assembly rotating in opposite directions; a hair gripping mechanism, located upstream of the roller assembly relative to the hair cutting mechanism, including a first comb plate and a gripper assembly, a guide assembly, and a linkage assembly arranged sequentially along the surface of the first comb plate towards the roller assembly, the gripper assembly being slidably mounted on the first comb plate, and a pressing block being provided on the linkage assembly towards the guide assembly, the pressing block being associated with the gripper assembly; and a hair adsorption mechanism including a second comb plate and an adsorption element disposed on the second comb plate. This invention can solve the problems of difficult hair removal from common floor brush rollers, where some combing and cutting mechanisms cannot guarantee the efficiency and extent of hair removal during cleaning, and may also damage the brush assembly, affecting the use of the roller brush.

This utility model relates to the field of dry desulfurization and discloses a dry desulfurization regeneration reaction tower, including a tower body. A rotating support is rotatably connected inside the tower body. A top baffle is fixedly connected inside the rotating support. A side baffle is fixedly connected inside the rotating support. A bottom baffle is fixedly connected inside the side baffle. A power assembly is fixedly connected to the inner wall of the top of the tower body, and the power assembly drives the top baffle to rotate. A fixed column is fixedly connected to the inner side of the tower body. A desulfurization cylinder is fixedly connected to the inner side of the fixed column. A top plate is fixedly connected to the top of the desulfurization cylinder. In this utility model, by setting up mechanisms such as the rotating support, top baffle, bottom baffle, and side baffle, and activating a servo motor to drive the rotating support to rotate, the flue gas can only pass through one of the upper and lower desulfurization cylinders for desulfurization and regeneration. The other desulfurization cylinder undergoes desulfurization and regeneration, thus enabling rapid switching of the solid adsorbent and achieving high working efficiency.

This utility model discloses an activated carbon fiber dispersion device, belonging to the technical field of activated carbon material processing equipment. It addresses the problems of easy entanglement and residue of activated carbon fibers, and the inconvenience of cleaning and collection in existing dispersion equipment. The device includes a frame, a housing, two dispersion rollers, a cleaning roller, a bottom shell, a collection box, and a horizontal plate. The housing is fixed to the top of the frame. The two dispersion rollers are rotatably mounted inside the housing via bearings, and their surfaces are provided with multiple sets of annular equidistant hooks along the axial direction. The cleaning roller is rotatably mounted inside the housing and located below the dispersion rollers, with annular grooves corresponding to the hooks on its surface. The bottom shell is fixedly connected to the bottom of the housing, and the collection box is slidably mounted inside the bottom shell. The horizontal plate is fixed inside the bottom shell, and its top is provided with multiple integrally formed scrapers extending to the annular grooves. This device is used for the pretreatment of activated carbon fibers, achieving uniform dispersion, minimal entanglement residue, and convenient cleaning and collection. It is suitable for the preparation of ACF-nZVI composite materials.