How many cubic stones can be produced in a day by mining hard rocks in Kaishan County
How many square stones can be produced from Kaishan County and Xiangcheng County in rock mining? On January 18, the State Administration of Taxation issued the Notice on the Implementation of Inclusive Tax Reduction and Exemption Policies for Small and Micro Enterprises. The notice pointed out that small-scale VAT taxpayers with monthly sales of less than 100000 yuan (inclusive) are exempt from VAT. For small low profit enterprises whose annual taxable income does not exceed 1 million yuan, a reduction of 25% shall be included in the taxable income, and the enterprise income tax shall be paid at the rate of 20%; If the annual taxable income exceeds 1 million yuan but does not exceed 3 million yuan, 50% of the amount shall be included in the taxable income, and the enterprise income tax shall be paid at the rate of 20%. The above small low profit enterprises refer to enterprises engaged in non and prohibited industries, and meet the three conditions of annual taxable income not exceeding 3 million yuan, number of employees not exceeding 300, and total assets not exceeding 50 million yuan. The so-called multi-purpose machine is to make the excavator become a platform equipped with different accessories (hydraulic rock drill, down the hole drill, cutting drill, splitting machine, etc.), so that it can be competent for a variety of industries and mines. In particular, for some municipal construction with small earthwork, for short-term, drilling and other working conditions, if the equipment is rented, the construction cost will be incurred, and if the excavator is used to carry a variety of accessories, the whole set of projects can be contracted, and the benefits will be substantial.
Applicable to various rocks Silent mining of granite, volcanic rock, quartzite, basalt, quartzite, siliceous schist, sandstone, limestone, marble, dolomite, pyrite, etc. Large quantities of rock are mined soundlessly, crushing and hammering are unable to move, agents cannot be separated, and the splitting machine is slow. Hydraulic rod is a wise choice.
The hydraulic rod is mainly composed of high hydraulic pump station and rod. The operation output from 140-180MP oil pressure pump station is used for the wall of the quilt hole, and the rock is cracked in the predetermined direction under the operation of.
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How many cubic stones can be produced from rock mining in Kaishan County and Xiangcheng County
Put the hydraulic splitting rod in one hundred and eighty Be sure to put all into the hole. Start the power supply, change the manual reversing valve to the blue oil pipe, start to feed oil, start to extend, generate thrust to the free surface in the hole, and the rock surface will appear lines.
The hydraulic oil gauge shows that the hydraulic pressure reaches 120mpa When the hydraulic station stops working and is in pressure maintaining state, it means that the work is completed. Just change the black oil pipe of the manual valve, shrink and manually lift it. Repeat in sequence, easy to operate and learn. Hydraulic splitting rod operation :1 Add anti-wear hydraulic oil to the oil station, and fill it up.
There is a vernier below the hydraulic oil station, just refer to the vernier. two Three phase four wire connection is required 380v 。 The motor shall be driven clockwise. three Connect the high-pressure oil pipe with the splitting rod, and the oil pipe color can be divided into black, yellow pipe high pressure, black pipe low pressure. four Drilling rig, one hundred and eighty Hole, shallow hole depth one rice two 。 Can it be deep or shallow five Rod pitch one hundred , distance from free face one hundred This is for granite mining.
The airborne splitting machine is mainly used in the following fields: primary and secondary disintegration of large ores (metal ores, non-metallic ores), mountain rock disintegration, rock mining in quarries, local and all operations of large concrete components, etc. Compared with the operations in the above fields, the airborne splitting machine has splitting force, simple structure, convenient operation, low operation, low cost, energy saving Energy saving and other advantages.
Plunger hydraulic splitter, rock splitter and rock splitter are composed of two parts: hydraulic pump station and rod (one pump station can be equipped with 6 rods). The oil pressure driving cylinder output from the pump station generates driving force, and after being hydraulically stretched out, the rock can be split in a predetermined direction, making use of the physical and mechanical characteristics of rock compressive strength and tensile strength.
Simple product, simple operation and application. The cutting machine weighs about 25KG, and can be operated by one person; Single manual valve control, ordinary workers can skillfully use it after one operation; There will be no dust, noise and noise during the operation, so it is very important. The rock splitter can work under static hydraulic pressure and can be controlled without temperature and site. It does not need to take time-consuming, complex and expensive measures like machines and other impact operations. When working, there will be no vibration, impact, noise, dust, flying debris, etc., and the surrounding area will not be affected. Even in densely populated areas or indoors, as well as near precision equipment, it can work without ground. The rock splitting machine has doubled the yield, and has the advantages of environmental protection, economy
Flexible features. Drilling large holes: the core drill is drilled on the handheld surface of pipe jacking, with a hole diameter of 10-15cm; Take out the rock core and create the free face of rock; Hole drilling: air drill is used to drill holes around the core drill hole, with a diameter of 42mm. The country said that it is necessary to pay more attention to the use of good stock, good structure, and more attention to support and guide the machines and tools that meet the needs of green development to speed up splitting: core drill holes create free faces, and around the holes drilled by core pulling drills, use a splitting machine to split bluestone, and the splitting of each hole takes only ten seconds. As a mountain equipment,
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