18 results about "Pigging" patented technology

The present application relates to sample preparation workshop equipment dust removal method technical field, specifically, a kind of sample preparation workshop variable frequency pressure feedback pigging dust removal method and system.Its method includes: when sample preparation equipment starts, corresponding electric butterfly valve is opened, and equivalent load value is calculated according to equipment type, and basic operating frequency is obtained by substituting exponential decay function, and drive fan starts operation;Collect the negative pressure value of the most unfavorable point of pipeline, dynamically adjust the frequency of fan according to the negative pressure deviation and change rate, and limit the adjusted frequency in the preset proportion range of basic operating frequency;When sample preparation equipment stops, corresponding electric butterfly valve is closed, if there is still equipment running, recalculate target frequency and adjust;After all electric butterfly valves are closed, open end electric butterfly valve and lift fan to power frequency operation, after purging, close end electric butterfly valve and stop fan.The present application solves the problems of high energy consumption, poor dust removal effect and safety hazards of pipeline dust accumulation of traditional dust removal system.

The utility model relates to the technical field of gas production pipeline cleaning, in particular to a gas production pipeline cleaning auxiliary device which comprises a mounting cylinder and a flow guide pipe, an adjusting screw rod is arranged at the upper end of the flow guide pipe and rotatably connected with the flow guide pipe, the mounting cylinder is sleeved on the outer side of the adjusting screw rod, and a plurality of supporting wheel carriers are arranged on the outer side of the mounting cylinder. The supporting wheel carriers are matched with positioning columns arranged on the outer sides of the flow guide pipes in a sleeving mode, and the positioning columns are fixedly connected with the flow guide pipes and used for driving the supporting wheel carriers to be unfolded and folded when the flow guide pipes move. Spraying assemblies are arranged at the lower ends of the flow guide pipes. The spraying assembly at the end of the flow guide pipe can flush the inner wall of the pipeline, the flow guide pipe is pushed through the adjusting screw rod, the flow guide pipe drives the positioning columns to move together, all the supporting wheel frames are unfolded or folded at the same time, and the supporting wheel frames support the flow guide pipe from the inner side of the pipeline after being unfolded. And when the pipe cleaning auxiliary device moves in pipelines with different sizes, the flow guide pipe can still be kept in the center of the pipelines and cannot deviate, and the stability is good.

This invention provides a method for cleaning ultra-deepwater long-distance gas-liquid mixed transport subsea pipelines, belonging to the field of marine oil and gas engineering and flow safety assurance technology. The method includes the following steps: accurate data analysis and operational condition simulation; calculation of the minimum ethylene glycol injection volume required for each stage; prediction of the maximum slug flow rate and its impact on the platform separator and trap; determination of the specific duration, gas volume control range, and gas source switching node for each cleaning stage based on the simulation results, while developing an emergency plan; sequential execution of the four stages: production gas carrying liquid stage, recirculating gas purging and carrying liquid stage, recirculating gas cleaning stage, and production gas cleaning stage; and depressurization via a balancing valve, removal of the cleaning tool, and product analysis. This invention achieves controllable risks, reduced time, and minimized production loss in pipeline cleaning operations through a multi-stage gas source switching strategy, integrated real-time online simulation and early warning technology, and optimized slug flow control and ball launch / receiver procedures.

The utility model provides a ball-passing type finished oil gathering pipe, which belongs to the technical field of oil gathering pipes and comprises a base, a support frame arranged at the top of the base, a manifold component arranged on the support frame, the manifold component comprises a plurality of groups of inlet pipelines, and a plurality of groups of outlet pipelines arranged on one side of the plurality of groups of inlet pipelines. A plurality of groups of three-way valves are respectively arranged between the plurality of groups of outlet pipelines and the plurality of groups of inlet pipelines, a plurality of groups of connecting pipelines are respectively arranged between the plurality of groups of three-way valves and between the plurality of groups of outlet pipelines and the plurality of groups of inlet pipelines, and the plurality of groups of three-way valves are arranged, so that a user can randomly combine the plurality of groups of inlet pipelines and the plurality of groups of outlet pipelines; multiple groups of external sources are communicated with multiple groups of external destinations, the connecting flexibility and the conveying efficiency of the device are improved, when a pipeline is cleaned, a user can rotate the valve element to ensure that the pipeline is smooth when the device is used for cleaning the pipeline, the residual quantity of liquid in the pipeline is reduced, and the practicability of the device is improved.

The invention discloses a cable self-crawling pipe cleaning robot for complex scaling in a pipe, and relates to the field of industrial pipeline maintenance. The device is mainly composed of a chemical agent injection system, a variable-diameter scraping system, a dirt real-time recovery system, an anchoring self-crawling system I (II) and a front-end monitoring system. The chemical agent injection system cooperates with the variable-diameter scraping and cutting system to work, chemical-mechanical combined type pipeline cleaning is achieved, the pipeline cleaning efficiency is improved, and the cleaning period is shortened. The variable-diameter scraping system adopts a ball screw, a variable-diameter sliding block, a variable-diameter guide rail base and a variable-diameter plate, so that the multi-pipe-diameter adaptability of the pipe cleaning robot is improved, and the cleaning operation process is simplified; the dirt real-time recovery system is provided with a flow suction pipe, a flow suction disc and a collection disc, real-time recovery of dirt is achieved, and the pipeline pollution risk is reduced. The pipeline cleaning device is compact in structural design, chemical-mechanical combined type pipeline cleaning and multi-pipe-diameter pipeline cleaning operation can be achieved, the pipeline cleaning efficiency is effectively improved, and the pipeline pollution risk is reduced.

The utility model relates to the technical field of oil and gas pipeline cleaning equipment, in particular to a ball pushing tool for pipeline cleaning, which comprises a ball pushing rod, one end of the ball pushing rod is connected with a ball pushing frame, the ball pushing rod is sleeved with a sliding frame, and the sliding frame is used for keeping the ball pushing rod at a preset position in a ball serving cylinder. According to the ball pushing tool for pipeline cleaning, it can be guaranteed that the ball pushing rod is always located at the preset position in the ball serving barrel, the acting point during ball pushing operation is more stable and controllable, deviation of the posture of equipment is avoided, and the ball clamping phenomenon is reduced; the sliding function of the sliding frame replaces a traditional impacting mode, so that the ball pushing process is softer, impact damage to equipment is avoided, and the problem that the equipment and a pipeline are possibly damaged due to the fact that a metal hammer directly impacts a pipe cleaner or detection equipment can be effectively solved; the tool is simple in structure and easy to carry, the ball pushing process is more efficient, manpower input and operation time are reduced, and the tool is particularly suitable for large-diameter pipelines and long-distance operation.

The utility model discloses a petrochemical pipeline pigging mechanism, including movable base, the top of movable base is equipped with the strip seat, the top of strip seat is equipped with the limit rail, one side slidingly connected with two limit blocks of limit rail top, the top of limit block is installed with the bearing seat, one side fixed mounting of bearing seat top end is equipped with the lower frame body, the upper end swing mounting of lower frame body inside is equipped with the upper frame body, and the top of upper frame body extends to the outside of lower frame body and is equipped with the vertical frame, is equipped with two guide rails on the inner wall of vertical frame, and the outer wall of guide rail is slidably connected with two rail seats, and the outer wall of a plurality of rail seats is installed with the movable frame, and the bottom of vertical frame is installed with the lift cylinder, and one side outer wall on movable frame upper end is installed with motor, and one end of motor penetrates movable frame and is installed with the roller brush. The utility model not only has reached the purpose of double -way adjustment pigging mechanism overall height, to promote the application scope of pigging mechanism, and has reached the purpose of electric type to petrochemical pipeline inside carries out pigging.

A multi-pipe-diameter self-adaptive pigging pry connector device comprises a receiving valve and an adjusting pipe. The two sides of the receiving valve communicate with connecting pipes correspondingly, and the connecting pipe on one side of the receiving valve communicates with the conveying pipeline and is used for receiving or sending out the pipe cleaner. One end of the adjusting pipe is communicated with the connecting pipe on one side of the receiving valve, and the other end is communicated with the conveying pipeline; a plurality of adjusting plates are arranged on the inner wall of the adjusting pipe in a surrounding manner; the end, close to the receiving valve, of the adjusting plate is rotationally arranged on the inner wall of the adjusting pipe. A plurality of adjusters are arranged on the outer wall of the adjusting pipe, penetrate through the side wall of the adjusting pipe and are correspondingly connected to the end, away from the receiving valve, of the adjusting plate, and the adjusters are used for controlling the adjusting plate to rotate. The problems that when conveying pipelines with different pipe diameters are connected, an existing connecting device is poor in pipe diameter adaptability, and cost is increased when special connector devices are arranged respectively are solved.

The invention discloses a high-performance pigging valve, and relates to the technical field of pigging valves, the high-performance pigging valve comprises a valve body, the valve body is internally provided with a horizontally extending medium flow channel and a vertically extending pigging device channel, the medium flow channel and the pigging device channel are orthogonally communicated, and a valve cavity is formed at the intersection; the sealing valve seat assembly comprises an upper valve seat ring assembly and a lower valve seat ring assembly which are installed in the valve cavity in a sealed mode, the axis of the upper valve seat ring assembly and the axis of the lower valve seat ring assembly are both perpendicular to the axis of the medium flow channel, and arc-shaped sealing faces with the same sphere center are arranged on the opposite sides of the upper valve seat ring assembly and the lower valve seat ring assembly. And the ball body is rotatably arranged between the arc-shaped sealing surfaces of the upper valve seat ring assembly and the lower valve seat ring assembly. Through multiple structural innovation and optimization, the technical breakthrough of non-stop pipe cleaning, reliable sealing under all working conditions, safe and convenient operation and economical and efficient maintenance is achieved, and the pipeline cleaning device is particularly suitable for high-pressure and continuous operation pipeline systems needing frequent pipe cleaning.

The invention discloses a ball valve blow-down tool and a manufacturing method, the tool comprises a clamping device mounted on a pipeline cock, the clamping device is provided with a blow-down flow guide device, and the blow-down flow guide device is used for being connected with a blow-down hole of the pipeline cock; one end of the liquid flow redirection device is connected with the pollution discharge flow guide device, the other end of the liquid flow redirection device is connected with a liquid drainage device, and the end part of the liquid drainage device is externally connected with a collecting device. By means of the clamping device, the tool can be effectively fixed to the two sides of a cock, the pollution discharge flow guiding device can be smoothly inserted into a pollution discharge hole, the pollution discharge hole is blocked, the problem of dirty liquid splashing is solved, and therefore the risk of solid waste is avoided; secondly, in the pollution discharge process, due to the fact that the pollution discharge hole is effectively blocked, a worker can control the opening degree of the cock in real time, and fire disasters and explosions caused by natural gas leakage are avoided.

The purpose of this invention is to provide a non-recoverable pigging ball for natural gas gathering and transmission pipelines, comprising a hollow spherical body with small holes on its shell. The diameter of the holes is 3mm to 10mm, the shell thickness is 1cm to 3cm, and the interference fit between the outer diameter of the shell and the inner diameter of the pipeline to be cleaned is 3% to 5.5%. The spherical body is made of a mixture of water-soluble modified resin and wear-resistant particles, with the wear-resistant particles evenly distributed in the modified resin. The tensile strength of the spherical body material ranges from 30MPa to 55MPa, the elongation at break is 50% to 75%, the pressure difference for the shell to break upon encountering resistance is 0.21MPa to 2.45MPa, the dissolution rate of the shell is 0.15mm / h to 1mm / h for outer diameter reduction, and the complete dissolution time is 108h to 120h. This invention solves the problems of easy jamming, ball loss, and difficulty in positioning during the cleaning of small-diameter gathering and transmission pipelines in gas fields that exist in the prior art.

The present application belongs to the technical field of infusion equipment, and particularly relates to a visualized intelligent flushing and sealing pipe device. The present application comprises a signal processor and a flushing and sealing pipe interface. The flushing and sealing pipe device comprises a main body shell, one end of the main body shell is provided with the flushing and sealing pipe interface, the inside of the main body shell is provided with a Y-shaped confluence pipe, two inlet ends of the confluence pipe are respectively communicated with independent flushing and sealing pipe interfaces, the outlet end of the confluence pipe extends to the outside of the main body shell, the inside of the connecting channel of the confluence pipe and the flushing and sealing pipe interface is provided with a rod-shaped vortex generator which is perpendicular to the flow direction of the pipeline, the main body shell is provided with a cavity on the axial extension line of the vortex generator, and a piezoelectric element is embedded in the inside of the cavity. The above-mentioned setting converts the invisible flow rate parameter into the easily detected mechanical vibration signal, realizes the real-time visualized monitoring of the flushing and sealing pipe process, improves the detection sensitivity, suppresses the vibration cross talk between the double-channel flushing and sealing pipes, and improves the monitoring independence.

1. The name of the design product: pig ball recycling box. 2. The use of the design product: used for interfacing with pigging pipeline and recycling pig ball. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention relates to a supply system (100) for supplying at least one application device (50) with an application agent, comprising: a first application agent container (1), a first pigging line (4), a second pigging line (5), a connecting device (6, X) configured to selectively enable or prevent the transfer of the application agent from the first pigging line (4) to the second pigging line (5), and at least one application device (50) for dispensing the application agent, wherein the application device (50) is connected to the first pigging line (4) via a first application agent line (L1) and to the second pigging line (5) via a second application agent line (L2). The invention also relates to an associated supply method.

This invention discloses a skid-mounted pre-filming device for conveying pipelines. The device includes a cup-type pig and a sprayer. The cup-type pig moves along the conveying pipeline to clean it. The sprayer, mounted on the cup-type pig, contains a corrosion inhibitor and sprays it out through the pressure difference between the upstream and downstream sides of the cup-type pig. In water suction, cleaning, and pre-filming operations, the skid-mounted pre-filming device can at least complete the cleaning operation. Workers can select and combine different methods according to production needs, completing multiple operations simultaneously, shortening operation time, and reducing operating costs.

The utility model discloses a rotary screw type water conservancy machinery pipe cleaner which comprises a first sealing ring, a first connecting rod is fixedly connected to the inner surface of the first sealing ring, a third connecting rod is movably connected to the upper surface of the first connecting rod, a second sealing ring is fixedly connected to the side surface of the third connecting rod, and a sleeve is movably connected to the side surface of the third connecting rod. The lower surface of the sleeve is fixedly connected with a compression spring, and the upper surface of the sleeve is movably connected with a supporting rod. And the fixing rod is fixedly connected with the third connecting rod, a scraper is movably connected to the side surface of the fixing rod, a steel brush is movably connected to the side surface of the fixing rod, and a spiral blade is fixedly connected to the upper surface of the fixing rod. By means of the structure, efficient cleaning of the pipeline is achieved, the pipe cleaner can well adapt to the shape and surface characteristics of the pipeline, dirt on the wall of the pipeline can be scraped more evenly, dirt residues are reduced, the operation difficulty of pipe cleaning is lowered, and the operation efficiency is improved.

The utility model relates to the technical field of industrial pipeline conveying, and discloses a natural gas pipeline cleaner which comprises a rack, a rotary knob is arranged in the middle of the rack, a first metal gear is fixedly connected to the rear side of the rotary knob, a second metal gear is rotatably connected to the inner side of the rack, the first metal gear is connected with the second metal gear in a meshed mode, and the second metal gear is connected with the second metal gear in a meshed mode. The rear side of the second metal gear is fixedly connected with a threaded rod, and the outer side of the threaded rod is in threaded connection with a movable disc. According to the pipeline cleaning device, due to the fact that the trapezoidal deflection plate is arranged on the outer side of the movable disc, the deflection plate can be ejected outwards, the cleaning plate is further ejected out, the motor is further started, the motor drives the rotating disc and the cleaning plate with the changed position to rotate, and cleaning of pipelines with different radiuses is achieved through the structure; the operation of matching different pipe cleaners according to different pipelines is omitted, the operation steps are simplified, and the pipe cleaning efficiency is improved.

The invention relates to a method for determining a pigging period of a coal bed gas collection pipeline, which comprises the following steps of: acquiring historical data of production parameters of a starting point gas collection station and an end point gas collection station, and operating data and comprehensive cost of the production parameters in an operating process of the gas collection pipeline, according to the historical data and the operation data of the production parameters, the relation between the pigging period and the output pressure is determined; wherein the production parameters comprise the pipe cleaning period, the output pressure and the liquid accumulation amount; modeling is carried out based on the data of the liquid accumulation amount and the pipe cleaning period, and the relation between the pipe cleaning period and the liquid accumulation amount is determined; comprehensive cost data in the operation process of the gas collection pipeline are obtained, and the relation between the pigging period and the comprehensive cost is determined based on the comprehensive cost data and the data of the pigging period; and determining boundary conditions according to the output pressure, the hydrops amount and the comprehensive cost, and calculating to obtain an optimal solution of the pigging period.