30results about How to "Efficient slag removal" patented technology

The invention discloses a refining flux used for purifying and processing aluminum or aluminum alloy melt, and its preparation method. The invention is characterized in that the raw material formula of the refining flux is a powder mixture composed of the following components by mass: 25 to 35% of NaCl, 25 to 35% of KCl, 15 to 25% of Na3AlF6 and/or K3AlF6, 4 to 10% of Na2SO4 and/or K2SO4, 3 to 10% of CaCO3 and/or Na2CO3, 3 to 6% of REF3 and/or RECl3; wherein, a mass ratio of NaCl to KCl is 1:1; RE is Ce or La. The refining flux can be fully diffused after entering the melt without adsorption agglomeration and pore plugging; and has high efficient capability for producing dry slag without viscous aluminum melt; even the refining flux has a slight reaction with aluminum melt, the reaction products can be removed with slag; the refining flux provided in the invention has high efficiency of gas and slag removing.

The invention discloses a reinforcement process method for pile bottom sediment removal of a pouring pile. The reinforcement process method comprises the following steps: forming at least one sediment removal hole in the top of a pile body, and ensuring that the sediment removal hole extends to a pile bottom sediment layer; installing sediment removal equipment in place, stretching a water tube and a gas tube from the sediment removal hole and enabling tube orifices to approach to a hole bottom position; starting water supply equipment, and carrying out high-pressure water jetting on the pile bottom sediment layer through the water tube to complete primary sediment removal treatment; starting gas supply equipment, charging a high-pressure gas in the pile bottom sediment layer and carrying out the high-pressure water jetting on the pile bottom sediment layer through the water tube and the gas tube, and completing secondary sediment removal treatment through the double processes of high-pressure water jetting and gas lift circulation; pulling away the water tube and installing a grouting tube in situ, starting grouting equipment and the gas supply equipment simultaneously, and carrying out reinforcement treatment on the pile body through a gas-injecting and grouting method; and stopping the equipment when a grout overflows from the orifice of the sediment removal hole. The reinforcement process method disclosed by the invention is capable of realizing efficient and thorough elimination for pile bottom sediments, good in sediment removal effect, and capable of increasing the structural strength of the pile body, meeting safety indexes, and meeting the requirements of construction technical indexes.

The invention discloses a high-vanadium steel continuous casting flame cutting process. The high-vanadium steel continuous casting flame cutting process includes the following steps of preheating, wherein preheating oxygen and fuel gas are conveyed to a cutting gun, the fuel gas is ignited to form preheating flames, and a casting blank is preheated; precutting, wherein combustion supporting oxygenand fuel gas are conveyed to the cutting gun, the preheating oxygen stops being conveyed, cutting flames are formed, and the lengths of the flames are adjusted until the flames penetrate through thecasting blank; and cutting, wherein when the flames penetrate through the casting blank and slag flows to a slag removal tank, the cutting gun is moved and a slag removal gun is started until cuttingoperation is completed, the lengths of the flames can be adjusted according to the thickness of the casting blank, the distances between the flames are matched with the thickness of the casting blank,and the cutting quality of the casting blank is guaranteed.

The invention belongs to the field of tunnel excavation equipment, and particularly relates to a tunneling machine slag removal device and a tunneling machine. The tunneling machine comprises a cutter head, a main beam connected to the cutter head, an equipment bridge located on the rear side of the main beam and a slag conveyor, and further comprises a slag removal device with a slag removal mechanical arm and a slag removal hopper; the slag removal mechanical arm comprises a connecting base connected with the main beam and/or the equipment bridge and a movable arm hinged to the connecting base, the movable arm comprises at least two arm sections, driving devices for driving the corresponding arm sections to be unfolded and folded are arranged between the arm sections and the connecting base and between the arm sections, and the slag removal hopper is connected to the last-stage arm section. The active slag removal hopper can be driven by a slag removal mechanical arm to actively take slag, the slag removal hopper is provided with a slag discharging position for feeding the taken slag into a slag conveyor on a main beam of the heading machine, and the slag removal hopper is provided with a discharging door and a discharging driving device. Or a material pouring driving device for driving the slag removal hopper to pour out the slag is arranged between the slag removal hopper and the slag removal mechanical arm, so that automatic slag removal is realized.

The invention discloses a drilling and blasting method construction muck discharging system. The system comprises a muck soil transferring device and a conveyor which are arranged from front to back in the preset linear direction, the conveying direction of the conveyor is the front-back direction, and the conveyor is a conveyor capable of stretching out and drawing back front and back. Accordingto the system, drilling and blasting method equipment and the telescopic conveyor are arranged in a combined mode, in the normal conveying process, full-process tunnel deslagging is completed throughrelay of the muck soil transferring device and the conveyor, the material receiving end of the conveyor can move forwards continuously along with the muck soil transferring device, short-distance transferring of the muck soil transferring device is guaranteed all the time, and therefore guarantee is provided for efficient deslagging, the conveyor is arranged at the position of a safety area, complex procedures such as evacuation during blasting are not needed, the ballast discharging efficiency can be effectively improved, the dependence on a ballast soil transferring device is reduced, and the ballast discharging safety is improved.

An auxiliary residue removing device for laser cutting machining comprises a first numerical control moving platform, a second numerical control moving platform, a laser head, a workbench and a base. The laser head is located over the workbench and hung on the first numerical control moving platform. The first numerical control moving platform is fixed to the base through a rack. The second numerical control moving platform is located on the base. The auxiliary residue removing device further comprises two first nozzles symmetrically arranged under the workbench, and the directions of the first nozzles are opposite. The first nozzles are connected with the second numerical control moving platform through nozzle supports. Hinge structures are arranged between the first nozzles and the nozzle supports. The first nozzles are connected with a gas pressurizing device through an auxiliary gas pipe. The auxiliary residue removing device further comprises two second nozzles symmetrically arranged at the two ends of the rack, and hinge structures are arranged between the second nozzles and the rack. The auxiliary residue removing device is reasonable in structural design, and an efficient residue removing effect can be achieved.

The invention discloses a pilot tunnel chambering suspension cutting TBM for an inclined shaft and a construction method. The problem that in the prior art, the inclined shaft pilot tunnel chamberingsuspension cutting efficiency is low is solved. The pilot tunnel chambering suspension cutting TBM for the inclined shaft comprises a central main beam and a suspended-cutting and expanded-excavatingcutter head, the front end of the central main beam penetrates through the center of the suspended-cutting and expanded-excavating cutter head and is provided with a pilot tunnel supporting shoe, thepart, located behind the suspended-cutting and expanded-excavating cutter head, of the central main beam is connected with a propelling system, a driving supporting shoe device and a safety supportingshoe device, and the tail part of the safety supporting shoe device is connected with a rear matching sleeve. According to the pilot tunnel chambering suspension cutting TBM for the inclined shaft and the construction method, aiming at pilot tunnel expanding excavation from top to bottom, the suspended-cutting and expanded-excavating cutter head is adopted for conducting suspended cutting excavation layer by layer on a rock stratum around a pilot tunnel, the cutting and expanding excavation efficiency is improved, the suspended-cutting and expanded-excavating cutter head changes the traditional TBM hob rolling rock breaking principle, the characteristic that the rock shearing strength is far smaller than the uniaxial compressive strength and free face rock breaking is utilized, a suspended cutting hob is adopted for rock breaking, and the rock breaking efficiency and the rock breaking specific energy are improved.

The invention discloses a device for automatically skimming sewage to generate methane for increasing value. In order to overcome the defects of single sewage treatment function, poor effective utilization and value increase, large pollution to water sources, disadvantage to environmental friendliness, and the like of the traditional sanitary sewage, digestion tanks and the like, the device comprises a cavity for accommodating sewage, wherein the cavity is provided with a slag discharging mechanism, a sewage inputting mechanism, an air inlet slag flushing mechanism and a sewage level control emission mechanism; an opening of the sewage level control emission mechanism, which is arranged in the cavity, is lower than an opening outside the cavity and is positioned in sewage in the cavity; an opening of the sewage level control emission mechanism, which is arranged outside the cavity, accords with the height of the required sewage level in the cavity. The device disclosed by the invention is mainly used for treating the sanitary sewage to generate methane, is capable of reducing water source pollution to ensure that the sewage is subjected to harmless treatment and is value-added, and is low in treatment cost and high in degree of automation.

The invention relates to a multifunctional efficient oil separator which comprises an oil separation container; a deslagging mechanism which is arranged at an oil separation water inlet of the oil separation container and is used for feeding water and deslagging; a jet device, wherein the air inlet end of the jet device is connected to the top of the oil separation container in a communicating mode, the water inlet end of the jet device is connected to the bottom end of the oil separation container through a circulating pipeline pump, and a perforated aeration pipe is fixedly arranged in the oil separation container and connected to the water outlet end of the jet device in a communicating mode; a latticed electric heating mechanism which is used for heating to prevent animal and vegetable oil from being condensed, wherein the specific gravity of the latticed electric heating mechanism is lighter than that of water and heavier than that of oil; an oil collecting tank which is fixedly arranged at the upper part of the oil separation area and is used for collecting oil stains and discharging the collected oil stains; a mud-water separator which is connected to the bottom of the settling zone and is used for removing mud. According to the oil separator, the deslagging, oil separation and mud removal effects can be effectively improved on the basis of an existing oil separator, and therefore treatment of kitchen oily wastewater is effectively promoted under the condition that the cost is low.