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549results about How to "Promote softening" patented technology

Construction process and equipment for downhole impacting high-pressure jet grouting pile

The invention relates to a construction process and equipment for a downhole impacting high-pressure jet grouting pile. An impactor is used for generating certain vibration impact effect in an impacting and sinking process, the impactor is driven by high-pressure air, and damage effect is produced to a soil body structure by virtue of vibration and high-pressure air; meanwhile, auxiliary soil body cutting effect of a high-pressure water jet is utilized at the upper part of the impactor; cutting damage to soil body by high-pressure water, gas and vibration is used for providing conditions for subsequent concrete spraying, under high frequency vibration of a downhole impactor, high-pressure water, high-pressure gas and high frequency vibration generate a linkage mechanism to rapidly soften the soil body at the periphery, the soil body is in a plastic flow state, after a high-pressure pump is transformed to spray high-pressure concrete, the soil in the plastic flow state is fully mixed with concrete, and a cement-soil pile with larger diameter and uniform concrete is formed. In the invention, under the high frequency vibration of the downhole impactor, the high pressure water, the high pressure gas and the high frequency vibration generate the linkage mechanism, diameter of a finished pile is larger, and strength of a pile body is higher.
Owner:BEIJING RONGCHUANG GEOTECHNICAL ENG CO LTD

Traumatic injury analgesic cataplasm preparation and preparation method thereof

The invention relates to a traumatic injury analgesic cataplasm and a preparation method thereof, the traumatic injury analgesic cataplasm is produced by formula raw materials of traumatic injury analgesic paste according to the process of the cataplasm and comprises a hydrophilic gel matrix, a non-woven fabric back-up material and a traumatic injury analgesic paste drug, and the traumatic injury analgesic paste drug consists of ground beetle, crude kusnezoff monkshood, nux vomica (stir-fried), rhubarb, rosewood heart wood, shinyleaf pricklyash root, baical skullcap root, amur corktree bark, giant knotweed rhizome, borneol, camphor, menthol, peppermint oil and methyl salicylate. The soluble matrix of the cataplasm has good compatibility with water-soluble and fat-soluble drugs, and the drug loading of the matrix is great, thereby being very applicable to medication features of multiple components and large dose of traditional Chinese medicine; compared with an adhesive plaster agent, the cataplasm is easier to soften the horny layer of skin, is conductive to transdermal absorption of the drug and has better air permeability, adhesion to the skin and moisture retention, thereby having the advantages of comfortable use, small irritation to the skin, repeated tearing and pasting, no pollution of clothes, no residue, no pain when tearing after the use and the like.
Owner:GUANGZHOU BAIYUNSHAN PHARM CO LTD

Device and method for supercritical carbon dioxide high-pressure jet flow plug removal seepage enhancement

The invention belongs to the technical field of oil-gas well yield increase equipment and relates to a device and method for supercritical carbon dioxide high-pressure jet flow plug removal seepage enhancement. An oil pipe is sleeved with a casing pipe, a packer is arranged between the casing pipe and the oil pipe, and an exploder is arranged in the oil pipe and connected with the oil pipe; a piston is arranged below the exploder and the portion between the piston and the exploder is filled with propellant; a cylinder sleeve is arranged at the lower end of the piston and the piston moves downwards in the cylinder sleeve; a flow guide connector is arranged on the lower portion of the cylinder sleeve; a nozzle is arranged on the flow guide connector and a rupture disk or an elastic body is arranged on the outlet portion of the nozzle; after the propellant is ignited by the exploder, energy is generated, so that the piston is pushed to compress supercritical carbon dioxide, short-time supercritical carbon dioxide jet flow waves generated through breakage of the rupture disk or popup of the elastic body enable rock to crack initially, and cracks are expanded through the pressure of short-time supercritical carbon dioxide jet flow with the low viscosity of the supercritical carbon dioxide. According to the device and method for supercritical carbon dioxide high-pressure jet flow plug removal seepage enhancement, the structure is simple, operation is convenient, raw materials are easy to obtain, cost is low, the energy use rate is high, and the device and method are environmentally friendly.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Forging forming technology for large-size high-intensity and heat-resistant magnesium alloy thick plate

ActiveCN103774069AGood high temperature plasticityHigh temperature plasticityThick plateIngot
The invention discloses a forging forming technology for a large-size high-intensity and heat-resistant magnesium alloy thick plate and provides a forging forming technology for a magnesium alloy thick plate which is thicker than or as thick as 150mm. The forging forming technology comprises the steps of large-furnace smelting, semi-continuous casting, homogenizing annealing, variable-temperature multi-directional forging, fast forging and after-forming thermal treatment, wherein the variable-temperature multi-directional forging is executed on an oil press; before forging, the temperature of an ingot blank is preserved at 500-530 DEG C for 4-6 hours; the pressing speed is 200-400mm / min, the upsetting gate pressing amount is 30-50 percent, and the swaging gate pressing amount is 5-10 percent; the fast forging is executed on an air hammer; before fast forging, the temperature of the ingot blank is preserved at 480-500 DEG C for 2-4 hours. According to the forging forming technology, the high-temperature plasticity of a magnesium alloy is fully achieved, and the usability is obviously improved; at the temperature of 200 DEG C, the tensile strength of the thick plate in the length direction, the width direction and the height direction is higher than or equal to 330MPa, and the elongation rate is larger than or equal to 8 percent.
Owner:CENT SOUTH UNIV
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