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27results about How to "All-round cleaning" patented technology

Self-cleaning assembly and method for dust removal filter bag for cement coal grinding

The invention discloses a self-cleaning assembly and method for a dust removal filter bag of a cement coal mill, and relates to the technical field of dust removal and filtration. The bottom end of a first shaft rod of a first expansion piece is connected with a multi-face mounting block, each mounting face of the multi-face mounting block is provided with a fixing sleeve box with an open mounting cavity and a guide through groove, a tension spring is arranged in each open mounting cavity, a movable inserting piece is arranged at the open mounting cavity and the guide through groove and protrudes outwards, and a C-shaped magnetic attraction piece is fixed to the side end of each movable inserting piece. The bottom end of a second shaft rod of the second expansion piece is connected with an annular air injection piece, electromagnetic rings matched with the magnetic attraction parts are further fixed to the upper end and the lower end of the annular air injection piece, a plurality of horizontal air outlet pipes surrounding the dust removal filter bag are arranged in the annular air injection piece, air outlets directly face the filter bag and are connected with an air supply pipeline, and the air supply pipeline is connected with an air supply mechanism. Dynamic cleaning of the dust removal filter bag is achieved, and the problem that a production system stops working due to the cleaning requirement of the dust removal filter bag is solved.
Owner:ZHEJIANG HEADING ENVIRNMENT TECH CO LTD

Plate heat exchanger

PendingCN119533167AGuaranteed stable movementRestoration of heat transferVibration cleaningFlush cleaningPlate heat exchangerGear wheel
The embodiment of the invention provides a plate heat exchanger, and relates to the technical field of heat exchanger equipment. The plate heat exchanger comprises a mounting groove plate, the top of the mounting groove plate is fixedly connected with a fixed supporting frame, the interior of the mounting groove plate is slidably connected with a convex sliding block, and the top of the convex sliding block is fixedly connected with a heat exchanger body. The cross-shaped rotating plate drives the cleaning shaft rod to move with the rotating rod as the axis, due to the fact that the gear is meshed with the fixed annular toothed plate, the cleaning shaft rod can rotate while rotating along with the cross-shaped rotating plate, due to the rotation motion, the cleaning brush on the cleaning shaft rod can clean a heat exchanger channel in all directions, it is guaranteed that each corner can be effectively cleaned, and the cleaning effect is good. The scale is helped to fall off from the channel wall, and the fallen scale is discharged out of the heat exchanger along with flowing of fluid.
Owner:YANGZHOU YAFEI ELECTRIC EQUIP CO LTD

Omnibearing spraying and cleaning device for gear machining

The utility model provides an omni-directional spraying and cleaning device for gear machining, which belongs to the technical field of gear cleaning devices and comprises a cleaning box, a spraying and cleaning device and a spraying and cleaning device. The rotating shaft is rotationally connected to the inner wall of one side of the cleaning box; the transmission gear is fixed on the circumferential surface of the rotating shaft; the fixed shaft is fixedly connected to the inner wall of one side of the cleaning box; the plurality of gears are arranged on the circumferential surface of the fixed shaft in a sleeving manner and are engaged with the transmission gear; one end of the water inlet pipe is fixed to the inner wall of one side of the cleaning box, and the other end penetrates through the cleaning box to be connected with an external water source; according to the gear cleaning device, the transmission gears are arranged, and the transmission gears are meshed with the gears, so that the multiple gears can be driven to rotate when the transmission gears rotate, the whole surfaces of the gears can be cleaned when the water spraying assembly sprays water to clean the gears, the gears can be cleaned in all directions, and the gears can be taken out after being cleaned.
Owner:TIANJIN XINLIDA GEAR MFG

Automatic cleaning device for weaving machine

The utility model provides an automatic cleaning device for a weaving machine, which relates to the technical field of textile machinery equipment cleaning and comprises a base, a cleaning barrel, a water inlet hose, a base plate, a barrel cover and cleaning barrel supporting legs, the top end of the base is fixedly hinged with the cleaning barrel, one side of the top end of the cleaning barrel is movably connected with the water inlet hose, and the other side of the top end of the cleaning barrel is movably connected with the base plate. A barrel cover is fixedly installed at the top end of the base, cleaning barrel supporting legs are fixedly connected to the bottom end of the cleaning barrel, a plurality of base plates are fixedly hinged to the top ends of the cleaning barrel supporting legs, the base comprises the cleaning barrel arranged at the top end, a water inlet hose is fixedly connected to the bottom end of the cleaning barrel, and a water pump is fixedly installed in the middle of the top end of the base. Connecting pipes are fixedly connected to the two sides of the water pump, and water pipes are installed at openings in the two sides of the connecting pipes; therefore, the water outlet direction can be flexibly adjusted, and all-directional cleaning of the interior of the weaving machine and equipment of parts is ensured.
Owner:QINGDAO YISIDA MASCH MFG CO LTD

Pig post-slaughter processing and cleaning device

The utility model relates to the technical field of live pig slaughtering, in particular to a live pig post-slaughtering processing and cleaning device which can clean live pigs in all directions, improve the cleaning effect of the live pigs, facilitate collection and cleaning of blood clots and impurities cleaned from the bodies of the live pigs and improve the practicability of the live pig post-slaughtering processing and cleaning device. Comprising a bottom frame, an impeller, a motor, a buckling device, a filtering device, an adjusting device and a vibration device, the impeller is rotationally installed at the top end of the bottom frame, the motor is installed at the bottom end of the bottom frame, the output end of the motor penetrates through the bottom frame to be connected with the impeller, the buckling device is installed at the top end of the bottom frame, the filtering device is installed in the buckling device, and the adjusting device is installed on the buckling device; the vibration device is installed on the adjusting device.
Owner:WUWEI KANGNING TECH FOOD CO LTD

A piston rod encircling type fully automatic cleaning device

This invention relates to a piston rod encircling fully automatic cleaning device, comprising a housing and a rotating chain disposed within the housing. A spray plate is mounted on the top of the housing. A support assembly for supporting the piston rod and a moving assembly driven by the support assembly are mounted on the rotating chain. The support assembly includes a first rotating roller and a second rotating roller. A drive assembly for rotating the first and second rotating rollers is disposed within the housing. A spray assembly and cleaning components are disposed on both sides of the spray assembly. The support assembly drives the piston rod to rotate via the first and second rotating rollers. The moving assembly drives the spray assembly and cleaning components to reciprocate and clean the piston rod. In this invention, hot water is sprayed onto the piston rod through the spray plate, and cleaning agent is sprayed onto the piston rod by the spray assembly. The piston rod rotates under the drive of the first and second rotating rollers, and the cleaning components perform comprehensive cleaning of the piston rod.
Owner:ZHEJIANG INGENUITY HYDRAULIC TECH CO LTD

Cabin sweeper

The utility model discloses a cabin sweeper, and relates to the technical field of sweepers. The cabin sweeper comprises a rear hanger, an inner arm, an outer arm and a rolling brush, the rolling brush is rotatably mounted on a rolling brush mounting support, one end of the outer arm is connected with the rear hanger, the inner arm is slidably mounted in the outer arm, displacement of the inner arm is controlled through a driving cylinder, a mounting frame is arranged at one end of the inner arm, and the movable end of the driving cylinder is hinged to the mounting frame. The installation frame is connected with the rolling brush installation support in a locking mode, an adjustable supporting foot mechanism is arranged at the end, close to the rolling brush installation support, of the outer arm, and an ultrasonic sensor is arranged on the rolling brush installation support. The cabin sweeper can be connected with a loading machine for use, can sweep a cabin in all directions, and is efficient and safe. The ultrasonic sensor is used for sensing the distance between the rolling brush and the sweeping plane and controlling fast forward and working forward of the driving cylinder, when the distance exceeds the sensing range of the sensor, fast approaching can be achieved, and when the distance is smaller than the sensing range of the sensor, working forward slow moving is automatically switched.
Owner:LONGHE INTELLIGENT EQUIP MFG CO LTD

Wood board deburring equipment

InactiveCN119526186AAll-round cleaningEdge grinding machinesGrinding drivesInlet valveDry ice
Wood board deburring equipment comprises a deburring device, and the deburring device comprises a sliding supporting plate, a sliding column, a sliding block, an air inlet valve, a fixing plate, an air conveying pipeline and a spray head. A sliding column is arranged on one side of the sliding supporting plate, a sliding block is arranged in the sliding column and slides back and forth along the sliding column, an air inlet valve is arranged on the upper portion of the sliding block and used for driving the sliding block to move, a fixing plate is arranged on the side portion of the air inlet valve, an air conveying pipeline is arranged in the fixing plate, and the fixing plate is used for fixing the air conveying pipeline. A spray head is arranged on the lower portion of the gas conveying pipeline and used for cleaning burrs left after wood board machining. The air inlet valve arranged on the upper portion of the sliding block drives the sliding block to slide back and forth on the sliding column, then the spray head can be driven to move back and forth on the sliding column, and dry ice sprayed out of the spray head can conduct all-around deburring and cleaning on the wood board.
Owner:JIANGSU MBOTE KITCHEN & BATH CO LTD

Power pipeline cleaning equipment

The present invention relates to the technical field of pipeline cleaning, and discloses an electric pipeline cleaning device, comprising a shell component one, wherein the shell component one comprises a box body one, a shell component two is arranged on one side of the box body one, a through hole is opened on one side of the box body one, a baffle one is arranged on the top of the box body one, a material guide plate is symmetrically arranged on the inner side wall of the box body one, a shaft body one is arranged on the material guide plate, the shaft body one passes through the material guide plate and is connected to the box body one; an operator can introduce an electric pipe body into the box body one through one side of the box body one, and the cooperation of two material guide plates and rollers can limit the electric pipe body to the middle position of the box body one, and the cooperation of a moving component can move the cleaning component to the inside and outside of the electric pipe body, and the operation of the cleaning component can simultaneously clean the outside and inside of the electric pipe body, and cooperate with the movement of the moving component to clean the electric pipe body in all directions.
Owner:GANZHOU QILIN NEW MATERIAL CO LTD

Load-bearing type multidirectional car washing table capable of achieving sewage purification and reuse

The utility model discloses a bearing type multidirectional car washing platform capable of purifying and recycling sewage. The bearing type multidirectional car washing platform comprises a movable car platform body, a cleaning assembly, a power motor and a sewage recycling box. A water storage tank is arranged on the side wall of the movable trolley platform, the sewage recycling tank is connected with the water storage tank, and a circulating pump is arranged at the joint; the cleaning assembly comprises a first moving carrier plate clamped in the moving trolley table and a cleaning pipe arranged on the first moving carrier plate, and the power motor is used for driving the first moving carrier plate to move in the moving trolley table; the device is reasonable in structural design, not only has a higher cleaning effect, but also can realize cyclic utilization of waste water, and is suitable for popularization and use.
Owner:TANGSHAN PORT GRP PORT MASCH & SHIP MAINTENANCE CO

Communication module detection device based on 5G management system

The invention discloses a communication module detection device based on a 5G management system, and relates to the field of communication module detection.The communication module detection device comprises a device body, a communication module body is installed at the bottom of an inner cavity of the device body, and a temperature detection device is arranged at the top of the communication module body; positioning assemblies are symmetrically and movably connected to the periphery of the top of the communication module body, a display screen is installed on the outer wall of the device body, a cleaning assembly is arranged on the outer wall of the display screen, a guide groove is formed in the outer wall of the device body, detection assemblies are symmetrically and movably connected to the bottoms of the two sides of the device body, and heat dissipation grooves are symmetrically formed in the two sides of the device body; heat dissipation assemblies are symmetrically arranged in inner cavities of the two heat dissipation grooves, and the side edge of the frame is movably connected with a contact roller. According to the communication module detection device based on the 5G management system, temperature and environment detection can be carried out on the communication module, and meanwhile corresponding protection processing can be carried out on the communication module according to the detection result.
Owner:GUONENG SUZHOU THERMAL POWER CO LTD

Device for cleaning dust on surface of 3D printing piece

The invention provides a surface dust cleaning device for a 3D printing piece, and relates to the technical field of 3D printing, the surface dust cleaning device comprises a supporting outer shell, the top of the supporting outer shell is fixedly connected with a working outer shell, the bottom of the working outer shell is fixedly connected with a protective inner shell, and the interior of the supporting outer shell is fixedly connected with a pneumatic cylinder; a lead screw is fixedly connected to the inner wall of the protective inner shell, a connecting base is fixedly connected to one end of the lead screw, a first base is fixedly connected to the top of the connecting base, a workbench is fixedly connected to the top of the first base, a supporting plate is in threaded connection with the outer wall of the lead screw, and a working box is fixedly connected to the top of the supporting plate. According to the surface dust cleaning device for the 3D printed piece, the purpose of cleaning dust of the printed piece on the workbench can be achieved, so that the dust can enter a storage box through an air inlet suction head and an air inlet pipe to be stored, manual cleaning is not needed, and convenience is provided for use of workers.
Owner:ZRAPID TECH CO LTD +1

Machining process of multi-cavity structural part integrated welding die

The invention relates to the technical field of laser beam machining, and discloses a machining process of a multi-cavity structural part integrated welding mold, which comprises the following steps: S1, designing and drawing: designing the structure and size of the welding mold according to the requirements of a multi-cavity structural part, drawing a two-dimensional model and a three-dimensional model, and determining the material and the machining process of the mold; s2, material preparation and processing: according to design requirements, selecting a proper mold material, and carrying out cutting, drilling and milling processing to manufacture each part of the mold; the electric spark machining device is provided with the electrode blocks, the feeding adjusting part drives the fixing block to move upwards, the stepping motor is started to rotate by 90 degrees while the fixing block moves upwards, and after one electrode block on the outer side of the fixing shaft completes electric spark machining, the electrode block is turned over rapidly, so that the next electrode block enters the electric spark machining position; the time for the loss of the electrode block to a certain degree to change the shape is four times of the original time, so that the damage and replacement frequency of the electrode block is greatly reduced.
Owner:GD TECH DONGGUAN

Rotary fitting cleaning system for inner wall of oil pipe

The invention relates to the technical field of oil pipe cleaning, in particular to an oil pipe inner wall rotary fitting cleaning system which comprises a cleaning box, a control panel is fixedly connected to the front surface of the cleaning box, a partition plate is fixedly connected to the interior of the cleaning box, a positioning seat is rotatably connected to the left side of the inner wall of the cleaning box, and a supporting seat is fixedly connected to the inner bottom surface of the cleaning box; comprehensive cleaning of the inner wall of an oil pipe is achieved in a mechanical and system linkage mode, then the cleaning effect of the inner wall of the oil pipe is improved, the oil pipe rotates circumferentially on an auxiliary ball through transmission between gears, meanwhile, through transmission between the gears, an output wheel drives a cleaning pipe to rotate through a gear plate, and the cleaning effect of the inner wall of the oil pipe is improved. And the rotating mode of the cleaning pipe is opposite to the rotating direction of the oil pipe, so that the cleaning effect of the inner wall of the oil pipe is improved, and the cleaning plate on the cleaning pipe cleans the inner wall of the oil pipe in all directions along with linkage cooperation of mechanical parts.
Owner:SHANDONG PETROCHEMICAL INST

A cleaning device for construction machinery

This utility model belongs to the field of construction machinery, specifically a cleaning device for construction machinery. It includes two housings that abut against each other. A brakeable omnidirectional wheel is fixedly connected to the bottom of each housing. A rotating assembly is located inside each housing, including a support ring fixedly connected within the housing. This utility model uses a motor to drive a transmission rod to rotate, which in turn moves the transmission gears, causing the support frame to slide within the housing. This, in turn, causes ball bearings to slide within the auxiliary and support rings, improving the smoothness of the device's operation. The support ring and auxiliary ring support the support frame, ensuring the stability of the device's operation. Furthermore, the combination of the two housings allows the two rotating assemblies to engage, enabling the device to be directly wrapped around the outside of the machinery, facilitating cleaning and improving cleaning efficiency.
Owner:HUBEI HAINEIWUSHUANG CONSTR ENG CO LTD

Plasma cleaning jig

The utility model discloses a plasma cleaning jig, which belongs to the technical field of plasma cleaning and comprises a bottom plate, a clamping mechanism for fixing a part to be cleaned is arranged at the top of the bottom plate, and a rotating component for improving the cleaning effect is arranged outside the clamping mechanism. When the cleaning device is used, a to-be-cleaned part is placed in the clamping mechanism, when the clamping mechanism is subjected to external pushing force or pulling force, the clamping mechanism cannot be loosened, the to-be-cleaned part is prevented from being loosened when being cleaned, and the cleaning efficiency is improved; and the to-be-cleaned part can be rotated through the rotating assembly, so that the to-be-cleaned part can be cleaned in all directions.
Owner:LENWAN ELECTRONIC TECH CO LTD

Municipal water pipe cleaning device

The municipal water pipe cleaning device comprises a supporting plate, the left side of the top of the supporting plate is fixedly connected with a fixed seat, the right side of the top of the supporting plate is fixedly connected with a hydraulic cylinder, the telescopic end of the hydraulic cylinder is fixedly connected with a movable seat, and the bottom of the movable seat is in movable contact with the top of the supporting plate. Through the arrangement of the cleaning mechanism, impurities on the outer wall of the water pipe can be rapidly and comprehensively removed, the cleaning efficiency is greatly improved, and compared with a traditional cleaning mode, the cleaning speed can be increased by multiple times.
Owner:SHANDONG YUANRUN JIANAN ENG CO LTD

Reaction kettle with dual cleaning function for flame retardant production

The utility model discloses a flame retardant production reaction kettle with double cleaning, which comprises a reaction kettle body, a cleaning assembly is arranged in the reaction kettle body, the cleaning assembly comprises two sliding pipes which are inserted into the inner wall of the top of the reaction kettle body in a sliding manner, one ends of the bottoms of the two sliding pipes are fixedly connected with the same water spraying ring, and the other ends of the bottoms of the two sliding pipes are fixedly connected with the same water spraying ring. A plurality of nozzles distributed at equal intervals are arranged on the circumferential inner wall of the water spraying ring, a first rotating frame is rotationally connected to the middle of the reaction kettle body, a water inlet pipe is rotationally connected to the outer wall of the top of the first rotating frame in a centering mode, the water inlet pipe is rotationally sleeved with a fixing frame, and the fixing frame is fixedly connected to the outer wall of the top of the reaction kettle body; through the arrangement of the cleaning assembly, the inner wall of the reaction kettle and the stirring assembly can be washed at the same time, so that impurities in the reaction kettle can be cleaned in all directions, and the cleaning process is more labor-saving and faster.
Owner:苏州博瑞达高分子材料有限公司

A processing technology for integrated welding mold of multi-cavity structural parts

The present invention relates to the field of laser beam processing technology, and discloses a processing technology for an integrated welding mold for a multi-cavity structural part, including S1: design and drawing: according to the requirements of the multi-cavity structural part, design the structure and size of the welding mold, draw a two-dimensional model and a three-dimensional model, and determine the material and processing technology of the mold; S2: material preparation and processing: according to the design requirements, select suitable mold materials, and perform cutting, drilling, and milling to produce various components of the mold. The invention is provided with an electrode block, and the feed adjustment part drives the fixed block to move upward. When the fixed block moves upward, the stepper motor starts to rotate ninety degrees. After an electrode block outside the fixed shaft completes the electrospark machining, it is quickly flipped so that the next electrode block enters the electrospark machining position. The time for the electrode block to change shape after being worn to a certain extent is four times the original time, which greatly reduces the damage and replacement frequency of the electrode block.
Owner:GD TECH DONGGUAN

An ore screening device for mining

This utility model relates to a mining ore screening device, comprising a water tank, with two clamping plates connected to the top of each end of the water tank, a rotating shaft connected between the two clamping plates, and a conveyor belt wound between the two rotating shafts. A drive motor is connected to the side of the water tank, and the output end of the drive motor is connected to the corresponding rotating shaft. A plurality of actuating elements are provided on the outer surface of the conveyor belt, and a cleaning element is provided above the conveyor belt. This utility model relates to the technical field of fluorite ore screening. In use, this mining ore screening device allows the fluorite ore to be submerged in water. The cleaning element drives the water flow to wash the surface of the fluorite ore, cleaning the surface. Simultaneously, the actuating elements agitate the fluorite ore, causing it to be turned over, ensuring that the fluorite ore is cleaned from all angles by the cleaning element. The cleaned-up dirt and dust are then filtered through filter holes, thus achieving the effect of screening and cleaning the fluorite ore.
Owner:XINGGUO COUNTY HUASHUO MINING CO LTD

Rocker casting machining and cleaning device

The utility model belongs to the technical field of rocker casting machining, and discloses a rocker casting machining and cleaning device which comprises a box body, a cleaning groove is formed in the box body, a rotating shaft is rotationally arranged in the cleaning groove, a rotating disc is fixedly arranged at the top end of the rotating shaft, and a shaft base is fixedly arranged at the top end of the rotating disc. A connecting rod is rotatably arranged on the outer side of the shaft base, a supporting rod is rotatably arranged at the other end of the connecting rod, a threaded rod is fixedly arranged at the top end of the supporting rod, a clamping plate sleeves the outer side of the upper portion of the threaded rod, a spring sleeves the outer side of the lower portion of the threaded rod, and the top end of the spring is fixedly connected with the clamping plate. By means of the scheme, the rocker casting cleaning device solves the problems that in the using process, a rocker casting cannot be cleaned in an all-around mode, a large amount of time and energy of workers are wasted, and the working efficiency of the workers is reduced.
Owner:成都恒予精密机械有限公司

Pretreatment device for Chinese herbal medicine production and processing

The utility model relates to the technical field of Chinese herbal medicine production and processing, and discloses a pretreatment device for Chinese herbal medicine production and processing, which comprises a base, the top of the base is fixedly connected with a shell, the two sides of the shell are rotatably connected with rotating rings, and the interiors of the two rotating rings are fixedly connected with the same cleaning barrel. A plurality of water passing holes are formed in the outer wall of the cleaning barrel at equal intervals, a feeding opening is formed in the right side of the cleaning barrel, a gear ring is fixedly connected to the outer wall of the left side of the cleaning barrel, a motor is fixedly connected to the left side of the top of the base, and a gear is fixedly connected to the output end of the motor. According to the Chinese herbal medicine cleaning device, the motor drives the gear to rotate, the gear is meshed with the gear ring to enable the cleaning barrel to rotate in the shell around the rotating circular ring, meanwhile, the spray head sprays water, water enters the cleaning barrel through the water passing holes, Chinese herbal medicine rolls over when the cleaning barrel rotates, efficient and all-around cleaning of the Chinese herbal medicine is achieved, and the cleaning effect is improved.
Owner:ANHUI YANGSHANG PHARM CO LTD

Multifunctional intelligent ozone cleaning machine for infants

The invention relates to the field of infant tableware sanitation, and discloses a multifunctional intelligent ozone cleaning machine for infants. According to the intelligent ozone cleaning machine, a second driving motor is fixedly arranged at the bottom end of the interior of the intelligent ozone cleaning machine body, a connecting ring is arranged on the surface of the output end of the second driving motor, three connecting blocks are fixedly arranged on the surface of the connecting ring, and rotating spraying arms are connected to the surfaces of the connecting blocks; a rotating motor is arranged at the connecting position of the connecting block and the rotating spraying arm, two telescopic spraying head assemblies are arranged on the surface of the bottom end in the intelligent ozone cleaning machine body, and when a to-be-cleaned object is placed in the corresponding position, an arranged second driving motor can be started to drive the connecting block, a connecting ring and the rotating spraying arm to rotate; and meanwhile, a rotating motor arranged between the connecting block and the rotating spraying arm is started to drive the rotating spraying arm to rotate, so that the interior of the intelligent ozone cleaning machine main body is subjected to all-directional cleaning, and meanwhile, deep cleaning can be carried out in cooperation with a driving structure above.
Owner:HEILONGJIANG AGRICUTURAL ENGINEARING VOCATIONAL COLLEGE

Centrifugal rotational flow sand washing well washing tool and well washing method

PendingCN119466615Aeasy to cleanShorten the well periodDrilling rodsFlushingRotational axisOil field
The invention belongs to the technical field of oilfield sand production well treatment, and particularly relates to a centrifugal rotational flow sand washing well washing tool and a well washing method. The centrifugal rotational flow sand-washing well-washing tool comprises an upper connector, a righting mechanism, a sleeve, a locking cap, a centrifugal nozzle head and a rotating shaft cylinder. During well washing, the centrifugal rotational flow sand washing well washing tool is connected through a conventional tool oil pipe and then is put into a well, sand washing liquid is pumped into the tool oil pipe after the sand surface is detected, and after the sand washing liquid descends to the centrifugal nozzle head from the tool oil pipe, driving force is generated when the sand washing liquid is sprayed out from the side face water spraying opening to drive the centrifugal nozzle head and the rotating shaft to rotate at a high speed; the high-energy jet flow sprayed out of the side face water spraying opening can effectively clean sand, sand scale cementation blocks and the like accumulated on the wall of the casing pipe, and the high-energy jet flow sprayed out of the bottom water spraying opening can crush sand bridges formed in the casing pipe in an accumulated mode. The sand washing speed is increased, the well occupation period of sand washing measures is effectively shortened, and meanwhile the operation cost is reduced.
Owner:CHINA NAT PETROLEUM CORP