9 results about "Viscous medium" patented technology

The utility model belongs to metal material processing technical field, specifically speaking is a kind of stainless steel water tank processing sand blasting device, including storage jar, the outside both sides of storage jar are fixedly installed with a plurality of first fixed plate, the bottom one end of a plurality of first fixed plate is fixedly installed with limit stop, rotatingly installed with connecting block between a plurality of first fixed plate, the bottom of connecting block is tightly in the top of limit stop, rotatingly installed with first fixed block in the inside of connecting block;Connecting block of first fixed plate between damping shaft connection utilizes the rotary resistance that damping shaft passes through its internal viscous medium, makes rotary lever and damping rod hover, slows down its descending speed, when rotating to certain angle, connecting block will be blocked by limit stop, makes that spray gun cannot continue to descend, and the rotary angle of spray gun is made by damping shaft to resist the force that its output port keeps forward direction makes it, avoid the problem that spray gun drops to ground due to the impact force of sand blasting process to cause injury to surrounding personnel.

The application relates to the technical field of volume pumps, in particular to an improved reciprocating pump which comprises a power unit and a hydraulic unit; the improved reciprocating pump further comprises a compensation unit which is arranged on the hydraulic unit and is used for compensating the liquid suction effect of a far-end cylinder, the compensation unit comprises a compensation frame arranged below the hydraulic unit, a plurality of compensation cylinders are mounted on the upper end of the compensation frame and are in communication, a pushing part is arranged in the compensation cylinder, and a feeding head is mounted on the end of the compensation frame. The compensation unit adopted by the application cooperates with the driving unit, can effectively fill the viscous medium into the plurality of cylinders of the hydraulic unit, avoids the phenomena of multiple-cylinder liquid stealing, suction flow deviation and far-end cylinder cavitation during the use of the reciprocating pump, avoids the damage of core components such as pump cylinders and piston rods, ensures the uniformity of the liquid suction of the reciprocating pump, and greatly prolongs the service life of the core vulnerable components.

The application discloses a carbon dioxide sticking temporary plugging fracturing method, which comprises the following steps: firstly, injecting carbon dioxide into a reservoir to form an initial high-permeability fracture in the reservoir; then, introducing a first sand-carrying fluid containing a viscous medium into the reservoir to solidify and fill the initial high-permeability fracture, wherein the viscous medium can be cracked under the action of geothermal energy after being solidified; further, before the initial high-permeability fracture is opened by the cracking of the solidified viscous medium, injecting carbon dioxide into the reservoir again to form a yield-increasing low-permeability fracture in the reservoir; and finally, after the initial high-permeability fracture and the yield-increasing low-permeability fracture form a production fracture network, fracturing production is carried out on the reservoir. By the method, the production fracture network composed of the initial high-permeability fracture and the yield-increasing low-permeability fracture can be formed in the target oil and gas reservoir with uneven geological conditions, the production fracture network has a large number of fractures and a complex network, and the oil and gas production can be increased in the subsequent fracturing production process.

The application discloses a photovoltaic panel assembly component and an assembly method. The photovoltaic panel assembly component comprises two assembly bodies which are symmetric to the center, are clamped to each other and are arranged between two adjacent photovoltaic panels, so that the two adjacent photovoltaic panels are connected to each other, and the two assembly bodies jointly define a sealed cavity which is filled with a viscous medium. The viscous medium has a first state and a second state. In the first state, the viscous medium is in a solid state, and the two assembly bodies are bonded to each other. In the second state, the viscous medium is in a liquid state, and the two assembly bodies are detachable. The photovoltaic panel assembly component of the application discards the bolt fixing connection mode, adopts the clamping and bonding connection mode of the assembly bodies, improves the dismounting efficiency of the photovoltaic panel, reduces the labor intensity, and avoids the problems of bolt corrosion and cleaning dead angle.

The present disclosure relates to a damping system for counteracting oscillations in a structure. The damping system comprises a pendulum device and a container containing a viscous medium. The pendulum device comprises a mass body comprising a porous structure. The porous structure is configured to allow the viscous medium to pass through it. The porous structure is at least partially immersed in the viscous medium.

This invention discloses an efficient viscosonic wave attenuation compensation reverse-time migration method based on a weighted function approximation. The method includes: S1, introducing a weighted function approximation to derive a viscosonic wave attenuation equation applicable to finite difference solutions; S2, based on the viscosonic wave attenuation equation, establishing a viscosonic wave compensation equation to compensate for energy attenuation during seismic wave propagation in a viscous medium; S3, implementing an attenuation-compensated reverse-time migration imaging process, wherein the wavefield compensation term is combined with low-pass filtering calculations to achieve wavefield stability compensation; S4, configuring the source and receiver settings to perform reverse-time migration imaging. The method of this invention efficiently achieves wavefield stability compensation and attenuation-compensated reverse-time migration imaging, effectively improving the accuracy and resolution of seismic imaging in viscosonic media.

The utility model relates to metallurgical production technical field, specifically disclose an intelligent sampling system of on -line analysis appearance, aims at solving the problem that the existing sampling system is blocked because sampling pipe is easy to attach particulate matter and viscous medium and is not completely cleaned up, the system includes the runner, sampling shell, control box and sampling pipe, sampling shell is inserted in the runner, and its bottom interlayer is equipped with ultrasonic transducer and is linked with ultrasonic generator, and intelligent controller in control box controls sampling pump, ultrasonic generator and other components through relay group. The utility model generates high frequency vibration scouring sampling pipe attachment through ultrasonic transducer, and static liquid cover improves cleaning efficiency, avoids manual frequent dismounting, reduces operating cost, improves system automation degree and stability, has the advantages such as convenient installation and strong versatility.