25results about How to "Improve plugging efficiency" patented technology

This utility model discloses a novel online material handling and unblocking device, relating to the field of unblocking technology. It includes: a telescopic device; an hydraulic control device for controlling the telescopic movement of the telescopic device; and a pushing device connected to the end of the telescopic device for unblocking materials. This unblocking device utilizes the cooperation between the telescopic device and the pushing device. The hydraulic control device controls the telescopic movement of the telescopic device, causing the extension of the hydraulic cylinder to drive the linear movement of the pushing device. This pushes the accumulated material through the unblocking plate, thus unblocking the material and improving the efficiency of unblocking per cycle. After installing the fixed bracket inside the equipment, remote control can be achieved through the cooperation between the telescopic device and the hydraulic control device, fundamentally avoiding accidents such as material splashing and crushing during manual tapping.

The application discloses a kind of air chute with unblocking device, tank is set in the top of rack, the inside of tank is provided with sieve plate, feed pipe is connected with the high end of tank, discharge pipe is connected with the low end of tank;Multiple air pipes input end are communicated with fan, its output end passes through tank, and is abutted with sieve plate part;Sieve plate is provided with multiple rotating rods, multiple rotating rods are rotatably connected with cover plate, the working end surface of vibration component is abutted with the circumference of tank.This application material enters the high end of tank by feed pipe, and penetrates downward along tank and sieve plate sieve hole under the action of gravity.The fan transports compressed air to sieve plate bottom by air pipe, so that material fluidization is promoted, and material sliding to discharge pipe is discharged.Gas flow impact sieve hole removes blocked particles, and air pipe output end abuts sieve plate bottom to improve unblocking efficiency.Vibration component makes tank slightly vibrate, and loosens blockage.Cover plate is locally turned over under air flow or vibration, and disturbance blockage promotes its drop, and reduces manual cleaning frequency.

The application relates to a water and fertilizer integrated mixing and irrigation device and belongs to the technical field of irrigation devices, which comprises a main body, a plurality of supporting legs fixedly connected to the bottom of the main body, a water storage cavity arranged in the inside of the main body, a water inlet pipe arranged on one side of the top of the main body and communicated with the water storage cavity, a drainage pipe arranged on the bottom of one side of the main body and communicated with the water storage cavity, a second valve body arranged on the drainage pipe, a storage cavity arranged on one side of the inside of the main body, a water conveying mechanism arranged on the top of the main body and capable of conveying water in the water storage cavity into the storage cavity. The water pump electric device can realize the mixing of the fertilizer and water and the irrigation work, the device cost is saved, the operation is simpler, the two different modes can be freely switched by controlling the opening of the spraying pipe, the complicated switching operation is not needed, the rapid mixing effect can be realized by utilizing the circulating flow of the water, and the mixing effect is good.

The utility model discloses a kind of gob coalbed methane rapid plugging devices, it is related to gas layer plugging technical field, including directional drilling rig and mixing box, mixing box is used to store filling material, support frame carries out stirring to filling material in mixing box, improve the injection efficiency of filling material, improve the plugging speed to gas layer, and support frame quantitative injection retarder or accelerator in mixing box changes the coagulation speed of filling material, improve the plugging effect to gas layer, while the filling material in mixing box is stirred, the inside wall of mixing box is scraped, avoid that filling material sticks in the inside wall of mixing box, the utility model improves the speed and efficiency of plugging to gas layer.

The utility model provides a charge detection optimized and improved ash bucket anti-blocking heat-tracing-free system, which comprises an ash bucket, a special nano ceramic material coating coated on the inner wall of the ash bucket, a fluidization air pipeline arranged at a position close to the bottom of the ash bucket, an anti-blocking device arranged at an inlet of the fluidization air pipeline, and a charge quantity detection sensor group arranged on the inner wall of the ash bucket, the charge quantity detection sensor group is electrically connected with the distributed control system, and the outer wall of the ash bucket is provided with a blockage clearing device. The system provided by the utility model eliminates detection dead angles, the sensors collect data in real time through the distributed control system, output of the anti-blocking device is dynamically adjusted, the dust dispersing effect is improved, and the system has the advantages of being comprehensive in detection, accurate in control, low in energy consumption, long in service life and the like.

This invention relates to an oil-based drilling fluid plugging agent and its preparation method, comprising granular materials made of the following components by weight percentage: asphalt powder: 15-28 wt%; organic clay: 6-16 wt%; rock fiber: 25-40 wt%; nano-SiO2: 5-12 wt%; sepiolite: 8-15 wt%; elastic graphite: 8-18 wt%; and polyurethane (TPU) powder particles: 10-20 wt%. This invention features good compatibility, high efficiency, and excellent plugging effect. It can repair formation defects in the wellbore, prevent wellbore leakage, enhance the retention and plugging effect of oil-based drilling fluid in formation microfractures, improve wellbore stability, and effectively plug and strengthen the wellbore.

The application relates to an automatic blockage cleaning device, method and electronic equipment for a coal conveying and screening system, wherein the automatic blockage cleaning device comprises a control system and an execution device for dredging screen holes; the control system comprises a monitoring unit, a processing unit and an output unit; the monitoring unit is used for acquiring screen underflow material information of the coal conveying and screening system in real time, the screen underflow material information being material yield meeting screening conditions; the processing unit is used for calculating average yield within a preset time according to the screen underflow material information; and the output unit is used for outputting a first control signal according to the average yield, the first control signal being used for controlling running or closing of the execution device. The application has the effect of realizing mechanicalization and automatic blockage cleaning of the coal conveying and screening system, and avoids various problems generated in the process of manually cleaning blockage.

The utility model relates to the technical field of engineering geology drilling, and discloses an engineering geology drilling plugging device which comprises a sleeve, an inner pipe is slidably connected into the sleeve, a first piston rod is fixedly connected to the bottom end of the inner pipe, a first piston is connected to the bottom end of the first piston rod, and a first cylinder is connected to the outer surface of the first piston in a sleeved mode. The bottom end of the first barrel is in threaded connection with a bent pipe, one end of the bent pipe is fixedly connected with a first rubber sleeve, the outer surface of the sleeve is in threaded connection with a barrel connector, and one end of the barrel connector is fixedly connected with a second barrel. The rubber sleeve is hydraulically driven to expand to be attached to the inner wall of a drill hole, an upper sealing area and a lower sealing area are formed, leakage stopping agents can be effectively prevented from overflowing from a gap between the sleeve and the hole wall, material waste is reduced, and leakage stopping efficiency is improved; and through the matching design of the spring pre-tightening force and the pumping pressure, it is ensured that the sealing and discharging processes are accurately started after the device reaches the preset pressure, and the situation that the leaking stoppage effect is affected due to too early or too late action is avoided.

This application relates to a pre-embedded electromechanical pipeline device, belonging to the field of electromechanical pipeline pre-embedded technology. It includes a sleeve with caps at both ends. The caps have internal fixing components for securing them to the sleeve. Each fixing component includes two sets of snap-fit ​​blocks, a support plate fixedly installed on the outer surface of each snap-fit ​​block for support, a T-shaped slider fixedly installed at opposite ends of the two support plates, and a moving structure fixedly installed on opposite sides of the two snap-fit ​​blocks for pushing them to move. This pre-embedded electromechanical pipeline device, by incorporating the fixing components, ensures that when the caps are removed from the sleeve, the snap-fit ​​blocks, support plates, T-shaped sliders, screws, operating blocks, pull plates, push-pull rods, support blocks, crossbars, and connecting blocks are all fixedly installed inside the caps. This effectively reduces the difficulty of securing the caps to the sleeve due to missing parts and improves the sealing efficiency of the sleeve.

This invention relates to the field of borehole charging and sealing technology, specifically a vehicle-mounted, fan-shaped, upward-facing borehole charging and sealing device. It includes a charging and sealing mechanism, an angle adjustment mechanism, and a moving and lifting mechanism. The moving and lifting mechanism includes an unmanned vehicle (UAV); a lifting platform is fixed on the UAV. The angle adjustment mechanism includes a base fixed to the lifting platform; a servo cylinder is hinged to the base; a swing arm is hinged to both the base and the servo cylinder; a lower crossbeam and an upper crossbeam are mounted on the swing arm. The charging and sealing mechanism includes a servo motor mounted on the lower crossbeam and a delivery pipe mounted on the upper crossbeam; an end cap is sealed at the lower end of the delivery pipe; and a delivery auger is installed inside the delivery pipe. This invention solves the problems of time-consuming and labor-intensive operation, poor charge density, and poor sealing performance of existing borehole charging and sealing technologies when applied to fan-shaped, upward-facing boreholes. It is suitable for blasting projects such as mining and tunneling.

The utility model relates to a plugging gun, especially to a automatic plugging gun of core-pulling rivet with glue. It can realize automatic wire feeding, automatic glue coating and automatic cutting after plugging, greatly saves the manual cost and simplifies the plugging process. The wire feeding unit includes a driving mechanism and a conveying wheel set, the driving mechanism drives the conveying wheel set to convey the aluminum wire, the conveying wheel set includes an upper conveying wheel and a lower conveying wheel arranged in an upper-lower mode and sharing the same axis, the aluminum wire enters the conveying wheel set through the wire inlet pipe and is output through the wire outlet pipe. The glue coating unit includes a glue storage barrel and a glue bin, the glue storage barrel drives the glue to be conveyed to the glue bin through air pressure, and the glue bin is arranged on the conveying path of the aluminum wire, so that the aluminum wire is coated with glue during conveying. The wire cutting unit includes a pneumatic cutting mechanism, the cutting jaws of the pneumatic cutting mechanism are arranged on the side of the wire outlet pipe away from the wire inlet pipe, and are used for cutting the aluminum wire after coating.

The application discloses a kind of breach plugging assembly type pile body truss modular assembly method, belong to major natural disaster prevention and public safety technical field.The method includes four steps of breach monitoring and situation assessment, emergency rescue resource preparation, assembly type pile body truss module cooperative plugging operation, later reinforcement.Through the steel pipe pile that is punched into in upstream and downstream of breach, form box type interception structure by quickly assembling the scaffold steel pipe truss module prefabricated on embankment and steel pipe pile, effectively reduce the flow velocity of breach mouth water;Tilt fill stone residue material between the interception structure and form occupation body, throw fill loose soil after closure and close gas, finally through the later reinforcement of building moon embankment and slurry pressure injection.The application is especially suitable for important embankment breach emergency rescue plugging with fast water flow velocity and deep water depth through pile body-truss modular cooperative design, with fast emergency rescue construction speed, strong safety, high one-time success rate, solid and reliable characteristics, suitable for emergency rescue under extreme hydrological conditions.

The application discloses an oil and gas well casing chemical plugging device and a construction method. The device has the advantages of small consumption of plugging agent, reduced construction cost, shortened construction period and fast effect. The device comprises, from bottom to top, a sticking and plugging pipe column body, a sticking and plugging seat, a positioning nipple and an outer oil pipe. The sticking and plugging pipe column body comprises a sticking and plugging pipe and a sticking and plugging inner pipe. The sticking and plugging pipe and the sticking and plugging inner pipe are communicated with the bottom of the positioning nipple through through holes formed in the sticking and plugging seat. The top of the positioning nipple is communicated with the bottom of the outer oil pipe. The upper part of the outer oil pipe is connected to a wellhead.

This invention discloses a device for preparing rubber linings for pipes, comprising a base plate, a placement frame fixedly connected to the front of the base plate, and a pipe movably sleeved on the top of the placement frame. The invention utilizes an inner annular groove and a flow channel within a support plate, along with a mounting ring fixedly fitted to the outer surface of a spraying rod and a hole on the mounting ring. Hot-melt rubber is introduced into the internal channel of the spraying rod, and with the aid of annularly distributed outlet pipes, the hot-melt rubber is sprayed into the space between the pipe and the spraying rod, forming a lining layer. During the gradual cooling and curing process, a motor continuously rotates the spraying rod to prevent the cured lining from adhering to it, ensuring easy removal of the spraying rod after curing. This maintains the stability of the rubber lining and prevents tearing during separation if the lining is adhered, ensuring stable molding and good performance of the rubber lining.

The utility model discloses a book core plug pasting machine which comprises a machine frame, a clamping and conveying mechanism, a gluing mechanism and a pasting mechanism are arranged on the machine frame, the gluing mechanism and the pasting mechanism are arranged below the clamping and conveying mechanism, the clamping and conveying mechanism can convey a book core in a vertical posture to sequentially pass through the gluing mechanism and the pasting mechanism, and the gluing mechanism is provided with a driving piece, a glue box and two glue dipping pieces arranged at intervals. The driving piece drives the two glue dipping pieces to move so that the two glue dipping pieces can dip glue in the glue box and smear the glue to the two ends of the bottom of the album core respectively, and the pasting mechanism can convey plugs and synchronously adhere the two plugs to the two ends, coated with the glue, of the bottom of the album core. According to the utility model, automatic plug pasting of the book core is realized, the plug pasting efficiency can be improved, and the production cost of enterprises is reduced.

The present application belongs to the technical field of PCB processing equipment, and relates to a rotary plug-in type vertical vacuum hole plugging machine. The machine comprises a vacuum cavity, a hole plugging assembly, a driving mechanism and a clamping plate assembly. The position of the hole plugging assembly and / or the clamping plate assembly is adjustable. The hole plugging assembly comprises a front plug head and a rear plug head arranged oppositely and used for hole plugging. The distance between the front plug head and the rear plug head in the horizontal direction is adjustable to avoid or clamp the PCB. The clamping plate assembly is located in the vacuum cavity and used for clamping the PCB. The driving mechanism is connected with the clamping plate assembly and drives the clamping plate assembly to turn around a vertical shaft to turn over the PCB to plug holes. The present application plugs holes on both sides of the PCB by rotating the PCB, reduces the frequency of breaking and pumping vacuum, and improves the hole plugging efficiency. Meanwhile, the present application avoids manual turning over of the PCB, reduces the labor intensity, avoids contamination and damage of the PCB, and ensures the product quality.

The invention discloses a grouting and water plugging method for underground mining mine construction of potassic salt ore. Comprising the steps that preliminary grouting is conducted, specifically, earth surface grouting is conducted on an aquifer through earth surface drilling; a tail salt filling step: if pressure is not increased after the preliminary grouting step, filling with potassium salt ore tail salt by taking saturated brine as a carrier to form a tail salt accumulation body; a double-slurry grouting step, wherein the interior of the tail salt accumulation body is temporarily cured by double slurry after the tail salt filling step; and a single-liquid-slurry grouting step: after the double-liquid-slurry filling step, single-liquid slurry is injected into the upper part and the side part of the tail salt accumulation body to form a covering shell. According to the grouting and water plugging method for underground mining mine construction of the potassic salt ore, traditional grouting materials are replaced with the potassic salt ore tail salt, resource waste is reduced, and the water control cost is reduced; a multi-layer waterproof structure is formed in a staged curing mode, and the leaking stoppage efficiency is improved; dynamic pressure regulation is adopted to adapt to different leakage scenes, and the construction process is optimized.

The utility model belongs to the technical field of converters, particularly relates to a multi-pass converter for a shield starting end under the condition of a water-rich sand layer, and aims to solve the problems that grouting equipment is connected with a grouting hole for direct grouting in the grouting sealing of the existing shield starting end, and the grouting condition cannot be monitored in real time; in order to solve the problem that the risk cannot be controlled in time due to the fact that grouting uniformity cannot be guaranteed and the grouting efficiency of different positions cannot be controlled in real time, the following scheme is provided: the device comprises a starting tunnel portal, two corresponding extension steel rings sleeve the outer side of the starting tunnel portal, and a connecting plate is fixedly mounted between the two extension steel rings; a plurality of groups of injection holes are fixedly formed in the surface of the connecting plate, one end of each injection hole penetrates through the connecting plate and is communicated with the starting tunnel portal, the other end of each injection hole is fixedly connected with a grease injection pipeline, and the other end of each grease pipeline is fixedly connected with a multi-pass converter. According to the utility model, through constant-pressure multi-path distribution of one pipeline, normal injection of each path is ensured.

The present application relates to the technical field of oilfield exploitation, and particularly relates to a deep liquid flow diversion method of multiple segment plugs and application thereof, steps of which comprise: (1) injecting crosslinking retarder into the formation through the injection well to form a front segment isolation plug; (2) injecting deep liquid flow diversion agent into the formation through the injection well to form a main agent plug; (3) injecting crosslinking retarder into the formation through the injection well to form a rear segment isolation plug; (4) injecting water into the formation through the injection well to form a water injection plug. The front segment isolation plug and the rear segment isolation plug of the present application prevent the deep liquid flow diversion agent from absorbing water in advance, and the rear segment isolation plug and the water injection plug jointly push the main agent plug forward, in which the deep liquid flow diversion agent blocks the water channeling channel during the pushing process, and the long-term blocking effect is good, the water flow can be broken through again after blocking, the blocking position is movable, and deep placement can be realized.

According to the rotary mechanical arm hole plugging equipment, transplanting and positioning are carried out through a mechanical arm, sucking, positioning and pressing-in of a plastic nail are integrated on one hole plugging device, the structure is simplified, and cost and occupied space are reduced; the plastic nail is directly ejected out through the ejector pin, and the plugging process is simplified; the multiple hole plugging mechanisms adsorb multiple plastic nails at a time, the moving frequency of the mechanical arm is reduced, and the plugging efficiency is improved.

The invention relates to a composite zinc cross-linking agent for high-permeability strip and large-pore oil reservoirs as well as a preparation method and application of the composite zinc cross-linking agent. The composite zinc cross-linking agent is prepared from the following raw materials: a metal cross-linking agent I, a metal cross-linking agent II, a cross-linking agent ligand, a retardant, a pH regulator and deionized water, the content of the metal cross-linking agent I is 4%-7%, the content of the metal cross-linking agent II is 7.5%, the content of the cross-linking agent ligand is 6%, the content of the retardant is 0.5%-2%, and the content of the pH regulator is 1.2%-2.4%. According to the composite zinc cross-linking agent disclosed by the invention, zinc ions are introduced as a main body and mutually compete with chromium ions to realize a synergistic effect, and a more compact network structure is constructed when the composite zinc cross-linking agent and polyacrylamide are synthesized into gel, so that the profile control agent is higher in gel viscosity, higher in strength, longer in stability and better in plugging effect.