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Abstract. Based on the investigation of the comprehensive utilization technology of tunnel slag in expressway, the author finds that combining with the characteristics of the project, planning …
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Study on comprehensive utilization and management of tunnel slag in Expressway Xiaodong Shang1, Zhiqiang Liu1*, Jianhao Zheng2, Wei Wang2, ... Hole slag processing technology. 1) Process selection: ... multiple crushing, separation, mixing, pollution and the content of soft particles exceeds the standard, etc. in addition, there are the control ...
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The key problems of current flowsheets and equipments are analyzed. A new steel slag's crushing flowsheet whose key equipments are the improved inertia cone crusher and inertia vibrating jaw crusher is proposed. An advanced two stage open-circuit crushing method is adopted in the flowsheet, with 90% of particle size crushing under 6mm. Using …
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The invention provides a tunnel type slag-hole-adjustable continuous fuming furnace. The furnace comprises a hearth, wind holes, a feeding hole, a slag discharging hole and a vertical-lift flue, wherein the hearth is designed into a tunnel type structure; the wind holes are formed in two sides of the bottom of the hearth, the feeding hole and the slag discharging hole are …
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Crushing Process of Tunnel Slag And Waste Rock. The slag and waste rock are processed into sand and gravel aggregate. According to different processing conditions, 2-4 crushing …
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The invention relates to a tunnel hole slag in-situ utilization technology, in particular to a tunnel hole slag in-situ recovery processing system and a processing method. Considering that the geographic positions of a plurality of existing tunnel projects are relatively deviated, a large amount of manpower and material resources are consumed for transporting the tunnel hole …
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In the construction of roadbeds in mountainous areas, crushed rock slag (CRS) generated by tunnel blasting is usually reused as road construction material to reduce …
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The invention relates to a method for quickly evaluating the performance of tunnel slag suitable for preparing machine-made aggregate, which comprises the following steps: 1) Sampling: randomly selecting tunnel hole slag of different tunnel faces of the same section, ensuring the shape of the selected tunnel hole slag to be basically consistent, and weighing the initial …
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Mini tunnel four-wheel drive mining slag scraper multifunctional crushing hammer slag scraper cleaning machine. $9,146.34 - 9,436.70. Place of Origin. China. Shipping. Air Freight, Ocean Freight, Land Freight. Chat now. Product Description. Overview; ... Top pipe of mining tunnel ...
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Hole slag, usually waste generated during tunnel excavation, is mainly composed of a mixture of stones, soil and rocks.In recent years, with the continuous development of the field of construction engineering, the reuse of cave slag has become an important means of saving resources and protecting the environment.Among them, it is a common way to
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The application provides a tunnel waste slag recycling device and a tunnel waste slag recycling method, belongs to the technical field of tunnel engineering, and comprises a waste slag rack assembly and a waste slag circulation assembly. Abandon sediment frame subassembly includes chassis, support shaft frame and portal frame, it includes material guide rail, material bracket, …
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Ease your separation anxiety with a vibrating screen. Alibaba offers wholesale tunnel slag crushing and screening suppliers styles for every situation, from mining and mineral processing to flour production.
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The utility model relates to a coal mine tunnel anchor hole drilling slag particle parameter test mould, which belongs to the technical field of mine support; the mold is composed of a drilling part and a test block mold; the part of creeping into includes rig, slide, guide rail and base, and the test block mould is used for device simulation material and has the brill sediment collection ...
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Due to the influence of construction technology, construction organization and other factors, a large amount of tunnel slag and excavation roadbed gravel cannot be reason. HEAVY INDUSTRY. 0086-371-86162511. Home Products Projects News About Contact. ... the processing of gravel from cave slag adopts a three-stage crushing process ...
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Prior to the crushing process, the tunnel waste slag underwent initial screening to eliminate stones and impurities with diamet ers exceeding 50 mm, such as soil, mud, veg-etation, and other debris, in order to guarantee the cleanliness of the material. For over-
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Method for quickly evaluating the performance of tunnel hole slag suitable for preparing machine-made aggregate. ... At the same time, the entire test process is cumbersome and the …
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The patent relates to the technical field of tunnel construction, in particular to a construction method for breaking an underground excavation tunnel advance disassembly machine, which comprises the following steps: s1: construction preparation; s2: lofting; s3: drilling split holes; s4: blasting and crushing; s5: checking undermining; s6: performing primary support, adopting …
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The utility model discloses a suspension bridge tunnel anchor hole slag discharging device relates to the tunnel technical field that slags tap. Comprises a conveyor belt, wherein two sides of the conveyor belt are provided with support frames, the support frames are provided with a first motor, the output end of the first motor is in transmission connection with a conveyor belt, a …
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The processing flow of the sand and gravel production line basically includes five stages: feeding, coarse crushing (primary crushing), fine crushing (secondary crushing), screening, and conveying. In the case of sand production, sand making and sand washing are also added. ... The mobile tunnel slag sand making equipment does not need to be ...
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A comprehensive evaluation and tunneling technology, applied in the field of building materials, can solve the problems of inability to quickly respond to the comprehensive performance of the slag mechanism sandstone parent rock, inapplicable on-site inspection, and single evaluation results, so as to achieve a fast and convenient testing process and ensure authenticity and …
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The accurate performance evaluation of a cutterhead is essential to improving cutterhead structure design and predicting project cost. Through extensive research, this paper evaluates the performance of a tunnel boring …
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The invention discloses a kind of Tunnel slag separators, belong to Tunnel slag using field, including coarse fodder conveyer belt, separator, fines convergence slot, fines conveyer belt and mixture conveyer belt.The present invention is by being divided into three parts, respectively conveyer belt, filter device and collection device.Tunnel slag is transmitted to filter device by …
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[0005] Aiming at the deficiencies of the prior art, the present invention provides an anti-diffusion slag removal device for tunnel surrounding rock blasting blast holes, which solves the problem that the slag removal devices currently on the market cannot collect the cleaned waste slag, and the cleaned waste slag is easy to collect.
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The utility model relates to a stone crusher field discloses an even stone crusher for tunnel blasting rubble is recycled, to the inhomogeneous and slow problem of rubble efficiency of current stone crusher rubble, the following scheme is put forward now, and it includes screening case, hoisting device, fixed frame and collection fill, the top of screening case is fixed with crushing ...
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The utility model relates to a water-through hole protection device of a water-washed slag receiving tower, which comprises a safety door and a protection structure, wherein the safety door is fixed in the middle of the water-through hole, and the protection structure is fixed in the water-through hole and arranged at the bottom of the safety door; the flow limiting hole is arranged …
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The invention provides concrete for heating and shaping full tunnel hole slag aggregate and a preparation method thereof, and belongs to the technical field of machine-made aggregate used as concrete. The invention provides a concrete for heating and shaping full tunnel hole slag aggregate, which comprises the following materials: 375-480 parts of portland cement, 46.5 …
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Tunnel cave slag can be processed into crushed stone, but it needs to be crushed and processed using crushing equipment. Commonly used crushing equipment includes jaw crusher, impact crusher, cone crusher and so on. These equipments can crush the cave slag into different sizes of crushed stone to meet different needs.
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Tunnel In The Slag Crushing Costs - ccebamberg.de. Crushing Steel Slag Cicsouthafrica. Tunnel in the slag crushing costs - acherishedbirth.Mar 19, 2019 cold crushing strength mpa high slag errosion resistance.High temperature alloys and stainless steel at cost effective prices for the globe market.3000m2 the castable workshop, two 86m and 75m tunnel kilns, 16 sets …
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For the excavated tunnel slag volume measurement, multiline structured light on the conveyor belt is distributed parallel with a 1 cm interval in the direction of belt movement …
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Based on drill-blast excavation of a tunnel, the slotting effect of a cut-hole and the corresponding induced blast vibration responses of the support structure under different detonating locations ...
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