872results about How to "Quick plug" patented technology

The invention discloses a grouting connection construction method which is used for connecting vertical reinforcements of an assembled concrete structure. The grouting connection construction method includes the steps: firstly, embedding a plurality of grouting connection devices at one end of a precast concrete unit to be connected in advance; secondly, lifting the precast concrete unit and then manufacturing a grouting box dam; thirdly, grouting horizontal gaps and then grouting the grouting connection devices. The grouting connection devices are connected with connection reinforcements extending out of a lower unit. Plugging grouting of the horizontal gaps and grouting of the grouting connection devices can be performed within the same day, so that the mounting efficiency of the precast concrete unit is greatly improved, the grouting connection construction method can be implemented in a subzero temperature environment even in winter, construction difficulty is reduced, and working efficiency is improved.

The invention relates to a deformable plugging and anti-sloughing agent for drilling fluid, and the deformable plugging and anti-sloughing agent comprises 10-90 parts by weight of non-deformable material, 20-80 parts by weight of nano-scale deformable redispersible polymer and 10-60 parts by weight of natural polymer modified material. The invention further relates to a preparation method of the deformable plugging and anti-sloughing agent for the drilling fluid. The preparation method comprises the following steps: mixing all the components according to the corresponding mixture ratio, mixing by virtue of a mixing and stirring machine for 80-120 minutes and screening by virtue of a 100-300 mesh screen, thus obtaining the deformable plugging and anti-sloughing agent.

The invention provides a leak preventer along with drilling and the method for its preparation, relating to the field of additive of boring fluid. Such leak preventer along with drilling contains: a) plant fiber without colloid or lignin, 100 weight shares; b) lime carbonate with calcium carbonate for at least 90 weight percent, 10-60 weight shares; c) oil-soluble resin of oil-soluble ratio no less than 95 weight percent and softening point 50-250 Deg. C, 3-30 weight shares. The leak preventer along with drilling is prepared by equably mixing the disintegrated ingredients which contains there substances above. It has a remarkable effect of leak prevention, which can be mixed with boring fluid to prevent leak while drilling, needing not stop drilling or stop laboratory sifter, improving the drilling speed and saving the drilling cost. And it also can release stoppage in acid solvent, oil solvent and negative pressure, and protect the reservoir. The leak preventer along with drilling is easy to spread, extensive sources of the material, low cost, and convenient technique.

This invention relates to a catalyst and a process for treating heavy hydrocarbons using the catalyst. The catalyst is useful for treating heavy hydrocarbons, de-metallize oil (DMO) and is particularly useful in VGO/DMO hydrocarbon blend. It is also useful for DAO. The catalyst acts to catalytically convert the VGO/DMO blend to shorter-chain valuable hydrocarbon products. The catalyst includes a catalytic support material, a catalytic metal impregnated upon the catalytic support material, and a promoter metal on the catalytic support material to enhance catalytic conversion. The combination of the catalytic support material with catalytic metal and promoter metal is operable to catalytically convert VGO/DMO into hydrocarbon products having shorter carbon chains.

The invention provides an auto-waterproof bridging particle which belongs to the field of engineering materials. The particle is formed by mixing 20 to 85 weight parts of sulphoaluminate cement, 5 to 26 weight parts of aluminoferrite cement, 5 to 20 weight parts of alumina material, 3 to 10 weight parts of gypsum, 2 to 10 weight parts of microdilatancy component, 0 to 5.0 weight parts of setting time regulating agent, 0 to 5.0 weight parts of hardening accelerator, 0 to 1.0 weight parts of plasticizing agent and 0 to 3.0 weight parts of binding material. The bridging particle of the invention is characterized by rapid bridging, swelling in water, permeating crystallization, auto-healing for fine crack and permanent waterproof property and can efficiently solve the problem of bridging the concrete structure which is leaked.

The invention discloses a plugging agent for a drilling fluid and protecting a low percolation reservoir, comprising the following components of: 10-40 parts of acid-soluble fiber, 5-10 parts of oil-soluble resin, 30-60 parts of acid-soluble deformed particles, 5-10 parts of high-temperature resistant natural small molecule materials and 10-15 parts of calcium carbonate. The basic component of the plugging agent is the acid-soluble fiber which is swelled and soft, has good tenacity and can expand by adsorbing partial moisture, and the like in the drilling fluid to form a meshy structure so as to form plugging on a hole throat under the action of flowing pressure. In addition, other components in the plugging agent, such as the deformed particles, the natural small molecule materials and the calcium carbonate can combine with the fiber to play a rapid plugging role, and therefore, the plugging agent has low damage depth on the reservoir. The plugging agent can be matched with the radius of the hole throat of the low percolation reservoir according to the regulation on the radius of the hole throat of a low percolation core. A drilling fluid system using the plugging agent as the main plugging material has the dynamic core filtration rate not more than 0.1ml/10min at high temperature and high pressure.

The invention discloses a sealing agent for aluminum and aluminum alloy anode oxide films and a preparation method for the sealing agent. The sealing agent comprises the following raw materials by lL: 15-20g of lanthanide nitrate, 0.6-0.8g of oxidizing agent, 0.25-0.3g of stabilizing agent and deionized water, wherein the additive amount of the deionized water is the amount of adding the deionized water until the volume is constant at 1L after the rest raw materials are mixed. According to the sealing agent disclosed by the invention, by utilizing the combined action of rare-earth metal and the oxidizing agent, porous layers of the anode oxide films can be effectively sealed, and the corrosion resistance of the anode oxide films is obviously improved. Meanwhile, the sealing agent disclosed by the invention does not contain chromium, nickel or fluorine, therefore, the human body cannot be harmed, and the environment cannot be polluted. The sealing agent is a green environmental-protection sealing agent. Moreover, the aluminum and aluminum alloy anode oxide films can be sealed at normal temperature, therefore, not only is the energy consumption reduced but also the operation convenient is improved. After being treated by the sealing agent disclosed by the invention, the aluminum and aluminum alloy anode oxide films are compact in surface structure, is in uniform golden yellow and is higher in bonding strength.

The invention discloses an inner plugging air bag for leakage of a risk source pipeline and a quick plugging method thereof. The plugging device of the risk source pipeline consists of a sealing mechanism, a flow guide mechanism, a retaining mechanism and a fixing mechanism which are connected with one another. In the method, the plugging air bag, an aeration joint external aeration pump, a flow guide pipe connecting nozzle and a flow guide ball valve are used as plugging flow guide elements; and quick plugging for pipeline leakage is realized by aerating the plugging air bag by using extensibility of the rubber air bag. The inner plugging air bag has a simple structure, light weight and a good plugging effect, can be repeatedly used, is suitable for plugging the risk source pipeline of toxic gas and liquid and the like, and can also be used for inner plugging for leakage of a heat pipeline, a water supply pipeline, a chemical industry pipeline and even a large-sized pipeline.

The invention relates to a rapid plugging device of a dewatering well with a deep foundation, which comprises a plugging sleeve, a plugging cover base, a plugging cover, an external water stopping ring, an inner water stopping ring and a water stopping plate, wherein the plugging cover base is a ring base connected and vertically fixed with the lower part of the inner wall of the plugging sleeve, more than three bolts are welded on the circumference in equal parts of plugging cover base, the plugging cover is provided with bolt holes relative to the bolts of the plugging cover base, the inner and external water stopping rings are vertically fixed and connected to the inner and outer walls of the plugging sleeve, the water stopping plate and the inner water stopping ring are connected through welding or flange. The device has simple structure, low process cost, convenient use and wide adaptability, and uses unified construction method to replace each plugging process, has rapid plugging, low cost, no construction risk and dangers, avoids the limitless underground water pumping, and protects the environment.

The invention relates to a fast plugging and self-locking coaxial connector which comprises a female connector and a male connector, wherein the male connector comprises a connecting sleeve, a shell, an insulator and a contact pin. The fast plugging and self-locking coaxial connector is characterized in that the male connector also comprises a compression spring, balls, an opening closing ring and a sealing ring, the connecting sleeve is sleeved at the front part of the shell, the compression spring is installed between the back front part of the connecting sleeve and the shell, a closing ring groove is arranged on the inner wall of the front part of the shell, the balls are distributed on the closing ring groove, the opening closing ring is inlaid in the closing ring groove, the balls are arranged in a ball hole, a circle of ball grooves is arranged at the front part of an inner conical surface of the connecting sleeve, the balls can be sleeved outside the shell so as to switch between the inner conical surface of the connecting sleeve and the ball groove when moving back and forth, and the sealing ring is installed in the sealing groove on the inner wall of the shell. The invention has the advantages of reasonable structure, fast plugging, strong self-locking function and favorable contact.

A water-proof leakage-blocking agent is prepared from water-hardening cement, polymer emulsoid powder, engineering cellulose, disperser, defoaming agent, bulking agent, water-reducing agent, and reinforcing filler through proportionally mixing and grinding. Its advantages are high effect and strength, integration of water proofing, leakage blocking and adhering, and not cracking.

The invention relates to the technical field of therapy, in particular to a hot and cold ablation needle. The hot and cold ablation needle is used for solving the technical problem that in the prior art, disturbance of a handle part of an ablation needle body can be immediately transmitted to a needle tip part of the ablation needle body, and consequently a patient is affected. The hot and cold ablation needle comprises a first flow inlet pipe assembly and a first backflow pipe assembly, the first flow inlet pipe assembly and the first backflow pipe assembly are constructed to be of bent pipestructures correspondingly, thus the extension directions of the first flow inlet pipe assembly and the first backflow pipe assembly are both changed, even if sudden disturbance or vibration acts on the handle part of the ablation needle body, the situation that acting force is immediately transmitted to the needle tip part of the ablation needle body, and consequently the patient is affected is avoided, therefore, through the bent pipe structures, disturbance of unstable factors such as disturbance to the needle tip part of the ablation needle body can be reduced, and thus the therapeutic stability of the ablation needle body is improved.

The invention provides a gas protection device for a welded joint formed by laser flexible welding. Two fixing bolts are mounted on a welding head; a protection gas nozzle is connected to a height adjustment plate; a sliding chute is formed in the height adjustment plate, so that the height adjustment plate can be used for adjusting the height of the protection gas nozzle and a transverse distance between the protection gas nozzle and the welding head; a fixed angle is formed at the lower end of the height adjustment plate; the gas nozzle is always in an optimal protection gas lateral blowing angle; the section of a protection gas spraying opening is an elliptical section. By the chute in the height adjustment plate, nuts on the fixing bolts and the fixed angle at the lower end of the height adjustment plate, the upper and lower distance and the left and right distance of the protection gas nozzle can be adjusted, and the angle of the protection gas nozzle can be fixed; therefore, the welded joint can be always well protected by protection gas, a welding defect, caused by poor protection, of the welded joint is avoided, and the welding quality is guaranteed.

The invention relates to a busway jack box with high safety performance. The jack box comprises a box body, wherein a jack seat, pins and a support positioning mechanism are arranged at the bottom of the box body; a locking mechanism is respectively arranged on two sides of the box body; the jack seat is fixed at the bottom of the box body through a fixed seat of the jack seat, and the pins can run through horizontal fixed grooves; a jack seat gasket is arranged at the bottom of the support positioning mechanism, and is arranged around the inner wall of the horizontal fixed groove, and is fixedly connected with the fixed seat of the jack seat through screws, so that the jack box can be jacked accurately, conveniently and quickly, and the safety and reliability of hot plugging can be ensured.

The invention provides semiflexible rapid leakstopping mortar with high impermeability and certain flexibility, which comprises the following components in percentage by weight: 45-65% of aluminate cement used as a gelled material, 20-40% of mineral filler, 0.5-2% of bentonite used as a waterproofing agent, 2-5% of plaster used as an expanding agent, 0.1-0.5% of coagulant, 0.2-0.5% of water reducing agent, 2-4% of spurrite and 1-2% of redispersible latex power, wherein the coagulant, the water reducing agent, the spurrite and the redispersible latex power are used as auxiliary materials. The leakstopping mortar has the advantages of high setting speed, high strength, no later strength shrinkage, high bonding strength, high impermeability, microdilatancy, high deformation resistance and the like and can be widely applied to leakstopping of concrete structures, such as a water pool, a house, a basement and a tunnel.

A fast hard disk plugging and rejecting device is disclosed. Two sides of the bottom cover are respectively connected with a side covering plate, a back side thereof is connected with the backside covering plate, and a front side thereof is connected with the panel, an exiting button is set at one side of the panel, the guiding plate is mounted behind the panel and has a guiding rail which has a relatively larger upper space and relatively smaller lower space for different standards of different hard disks. A connector (IDE) is positioned at a back end of the guiding plate, and a partition is further connected to the connector, wherein each contacting hole (PIN) inside the connector is embedded by a probe and a spring. And, an exiting mechanism is mounted at one side of the guiding plate which is oppositely contact with the exiting button. Finally, after combining with the upper cover, the fast hard disk plugging and rejecting device is achieved.

The invention relates to a unmanned aerial vehicle mounted remote delivery device and delivery method. The delivery device comprises an unmanned aerial vehicle, a mounting platform mounted on the unmanned aerial vehicle, an electric firing triggering unit connected with the mounting platform under the mounting platform, a magazine connected with the electric firing triggering unit, and a remote controller for controlling the delivery. The unmanned aerial vehicle is provided with a video transmission system, a positioning system and a height sensing system. The electric ignition triggering unitcomprises a casing, at least two quick-change clip hangers installed on the outer side wall of the casing, a battery arranged in the casing, a signal receiver arranged in the casing and connected with the battery, and a plurality of firing units arranged in the casing. The cartridge clip comprises a connecting plate, a cartridge cylinder assembly fixed on the connecting plate, and a quick-changeclip arranged on the outer side wall of the connecting plate and matched with the quick-change clip hanging body. The delivery device can accurately determine the delivery position and solve the technical problems of poor precision and poor maneuverability of the existing delivery device.