CN-121976179-A - Equipment for preparing wear-resistant coating on inner wall of special-shaped runner of deep sea valve

CN121976179ACN 121976179 ACN121976179 ACN 121976179ACN-121976179-A

Abstract

The invention provides equipment for preparing an abrasion-resistant coating on the inner wall of a special-shaped runner of a deep sea valve, which belongs to the technical field of valve preparation equipment and comprises a frame, a rotating frame, a left clamping plate, a right clamping plate, a left spraying assembly, a right spraying assembly and a first driving assembly, wherein the frame is provided with a left vertical plate and a right vertical plate; the special double-group spraying assembly is configured for the valve cover special-shaped sectional flow passage, can realize automatic continuous spraying of the special-shaped flow passage in a full-section manner, thoroughly solves the industrial pain points of uneven spraying and internal corner spraying leakage of the special-shaped flow passage, and ensures the thickness uniformity and the coverage integrity of a coating.

Inventors

HU DAOZHONG
Jin Kadi
Huang Congce
CHEN SEN
LU ZAIWANG
YU HAIYAN
WENG JIANHUA
LI PING
ZHANG HAILAN

Assignees

浙江伯特利科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260304

Claims (10)

1. The preparation equipment for the wear-resistant coating on the inner wall of the special-shaped runner of the deep sea valve is characterized in that the deep sea valve comprises a valve body and valve covers arranged at two ends of the valve body, wherein the valve covers comprise a first cylindrical channel, a conical transition channel, a second cylindrical channel, a third cylindrical channel and a fourth cylindrical channel which are sequentially arranged along the direction facing the valve body, the inner diameter of the first cylindrical channel is larger than that of the second cylindrical channel, the inner diameter of the third cylindrical channel is larger than that of the second cylindrical channel and smaller than that of the fourth cylindrical channel, and the second cylindrical channel, the third cylindrical channel and the fourth cylindrical channel are sequentially in a step shape; the wear-resistant coating preparation equipment comprises a frame, a rotating frame, a left clamping plate, a right clamping plate, a left spraying assembly, a right spraying assembly and a first driving assembly, wherein the frame is provided with a left vertical plate and a right vertical plate, the left end of the rotating frame is provided with a connecting sleeve which rotates synchronously, the right end of the connecting sleeve is rotationally connected with the right vertical plate, one end of the connecting sleeve is rotationally connected with the left vertical plate and penetrates through the left vertical plate to be connected with a driven gear, the first driving assembly is arranged on the frame and comprises a driving gear meshed with the driven gear and used for driving the rotating frame to rotate around the axis of the driving gear, the left clamping plate and the right clamping plate are oppositely arranged in the axial direction of the rotating frame and are respectively connected with a second driving assembly, the second driving assemblies are linear driving modules and are used for driving the left clamping plate and the right clamping plate to clamp or unclamp a valve cover, the left spraying assembly and the right spraying assembly respectively comprise a transverse moving module axially arranged along a valve cover runner and a vertical moving module radially arranged along the valve cover runner, the vertical moving module of the left spraying assembly is provided with a first spray gun, the vertical moving module is arranged on the vertical moving module, the right spraying module is provided with a second spray gun, the spray angle of the first spray gun and the second spray gun is adjustable, the first spray gun is used for spraying a first cylindrical channel, a conical transition channel and a second cylindrical channel, and the second spray gun is used for spraying a third cylindrical channel and a fourth cylindrical channel.
2. The equipment for preparing the wear-resistant coating on the inner wall of the special-shaped runner of the deep sea valve according to claim 1, wherein a first flange part is arranged on one side, far away from the valve body, of the valve cover, a second flange part is arranged on one side, close to the valve body, of the valve cover, a first supporting plate and a second supporting plate which are matched with each other are arranged on the rotating frame corresponding to the first flange part and the second flange part, and a processing window is formed in the side wall of the rotating frame and used for feeding and discharging the valve cover.
3. The deep sea valve special-shaped runner inner wall wear-resistant coating preparation device according to claim 1, wherein a first convex ring part is arranged on one side, far away from the valve body, of the valve cover, a second convex ring part is arranged on one side, close to the valve body, of the valve cover, a left positioning groove matched with the first convex ring part is arranged on the left clamping plate, a right positioning groove matched with the second convex ring part is arranged on the right clamping plate, and the left positioning groove and the right positioning groove are used for coaxial centering during valve cover clamping.
4. The deep sea valve special-shaped runner inner wall wear-resistant coating preparation equipment according to claim 3, wherein one end of the left clamping plate, which faces the first cylindrical channel, is provided with a left ring part coaxially arranged with the first cylindrical channel, one end of the right clamping plate, which faces the fourth cylindrical channel, is provided with a right ring part coaxially arranged with the fourth cylindrical channel, the left ring part and the right ring part both comprise collecting ring parts, the collecting ring parts are provided with negative pressure collecting cavities, the first spray gun and the second spray gun are required to be positioned in the collecting ring parts on corresponding sides when being started, and the two collecting ring parts respectively form protective barriers for preventing powder leakage at two ends of the valve cover.
5. The deep sea valve special-shaped runner inner wall wear-resistant coating preparation device according to claim 4, wherein the left ring part and the right ring part further comprise coaxially arranged calibration ring parts, the calibration ring parts are positioned on one side of the collecting ring part far away from the valve cover, the first spray gun and the second spray gun are integrated with distance sensors, and the calibration ring parts are used for completing the coaxiality of the spray gun and the valve cover runner and the calibration of the radial spraying distance through the distance sensors when the first spray gun and the second spray gun move into the corresponding side of the calibration ring parts.
6. The equipment for preparing the wear-resistant coating on the inner wall of the special-shaped runner of the deep sea valve according to claim 5, further comprising a control system, wherein the control system comprises a regulating and controlling component, the regulating and controlling component comprises two sets of independent variable frequency suction modules, a sensor array, a central resolving module and an executing module which are respectively connected with the negative pressure collecting cavities of the left ring part and the right ring part in a one-to-one correspondence manner, and the regulating and controlling component is used for constructing a dynamically controllable directional pressure difference and an auxiliary airflow field in the runner by taking the special-shaped runner of the valve cover as an airflow cavity through independent power regulation and control of the two sets of variable frequency suction modules.
7. The equipment for preparing the wear-resistant coating on the inner wall of the special-shaped runner of the deep sea valve according to claim 6, wherein the sensor array comprises two groups of high-frequency differential pressure sensors which are respectively arranged at the joint of the left ring part and the first cylindrical channel and the joint of the right ring part and the fourth cylindrical channel, the high-frequency differential pressure sensors are used for collecting actual differential pressure data at the two ends of the runner in real time and synchronously feeding back the actual differential pressure data to the central resolving module, the central resolving module comprises a special-shaped runner flow field simulation database which corresponds to the specification of the valve cover in a one-to-one mode, the flow field simulation database pre-stores segmented airflow velocity, integral flow direction and turbulence data corresponding to the valve cover with the same specification in different positions of the different spray guns, and the central resolving module can be used for generating power adjusting instructions of the variable-frequency pumping modules based on the collected real-time differential pressure data and the real-time position data of the spray guns and matching the corresponding flow field parameters in the flow field simulation database, and driving the two sets of variable-frequency pumping modules to act synchronously through the executing module.
8. The equipment for preparing the wear-resistant coating on the inner wall of the special-shaped runner of the deep sea valve, as set forth in claim 6, is characterized in that a flow field construction unit is arranged in the central resolving module, the flow field construction unit is configured to dynamically adjust the suction power of two sets of variable frequency suction modules according to the spraying position and the feeding direction of a current spray gun, construct a laminar auxiliary air flow field which is completely in the same direction as the spraying direction in the runner and is used for guiding powder to fly along a preset path, when the first spray gun sprays a first cylindrical channel, a conical transition channel and a second cylindrical channel from left to right, the suction power of the right variable frequency suction module is higher than that of the left side, a directional auxiliary air flow is formed in the runner from left to right, when the second spray gun sprays a third cylindrical channel and a fourth cylindrical channel from right to left, the suction power of the left variable frequency suction module is higher than that of the right to left side, meanwhile, the inner diameters of different sections of the matching runners are changed, and the air flow speed is dynamically adjusted.
9. The device for preparing the wear-resistant coating on the inner wall of the special-shaped runner of the deep sea valve according to claim 6, wherein the central resolving module is internally provided with an internal corner flow field unit, and the internal corner flow field unit is configured to realize powder rebound suppression by forming an instantaneous negative pressure flow guide field in the internal corner region through high-frequency pulse suction of two variable-frequency suction modules when the second spray gun moves to right-angle internal corner regions of the second cylindrical channel and the third cylindrical channel and the fourth cylindrical channel, and forcibly pressing sprayed and rebounded powder to the internal corner root, and eliminating a high-density rebound particle barrier formed by powder rebound.
10. The equipment for preparing the wear-resistant coating on the inner wall of the special-shaped runner of the deep sea valve, as set forth in claim 6, is characterized in that the suction ports of the variable frequency suction modules are uniformly distributed along the circumferential direction of the inner wall of the corresponding collecting ring part, and the execution module is configured to enable the whole runner to be kept in a negative pressure state through continuous suction of two sets of variable frequency suction modules in the whole spraying process, and the undeposited spraying powder is guided into the negative pressure collecting cavity on the corresponding side through directional auxiliary air flow in cooperation with the closed cavities formed at the two ends of the valve cover by the left ring part and the right ring part, so that the full recovery of the spraying powder is realized.

Description

Equipment for preparing wear-resistant coating on inner wall of special-shaped runner of deep sea valve Technical Field The invention relates to the technical field of valve preparation equipment, in particular to equipment for preparing an abrasion-resistant coating on the inner wall of a special-shaped runner of a deep-sea valve. Background The deep sea oil gas exploitation working condition has the characteristics of high pressure, high corrosion and strong sand-containing erosion of medium, the deep sea valve is used as a core control component of an oil gas transmission pipeline system, the inner runner of the valve cover is eroded by the high-speed sand-containing medium for a long time, and the inner wall is required to be prepared with a wear-resistant coating such as WC-Co hard alloy and the like so as to meet the reliability requirement of long-term service in deep sea. The patent with the publication number of CN223708602U discloses a cut-off type hydraulic ball valve for deep sea, which comprises a valve body, a left valve cover, a right valve cover, a valve seat sealing ring, a valve rod, a ball and a stuffing box, wherein the left valve cover and the right valve cover are connected to the valve body through bolts, stepped holes are formed in the left valve cover and the right valve cover for installing the valve seat, the left valve cover and the right valve cover comprise a plurality of sections of special-shaped flow channels, the existing coating preparation equipment cannot be used for effectively spraying, and the quality of a coating is ensured. Disclosure of Invention The invention aims to overcome the defects and the shortcomings of the prior art and provides equipment for preparing the wear-resistant coating on the inner wall of a special-shaped runner of a deep sea valve. The application provides equipment for preparing an abrasion-resistant coating on the inner wall of a special-shaped runner of a deep sea valve, which comprises a valve body and valve covers arranged at two ends of the valve body, wherein the valve covers comprise a first cylindrical channel, a conical transition channel, a second cylindrical channel, a third cylindrical channel and a fourth cylindrical channel which are sequentially arranged along the direction facing the valve body, the inner diameter of the first cylindrical channel is larger than that of the second cylindrical channel, the inner diameter of the third cylindrical channel is larger than that of the second cylindrical channel and smaller than that of the fourth cylindrical channel, and the second cylindrical channel, the third cylindrical channel and the fourth cylindrical channel are sequentially stepped; the wear-resistant coating preparation equipment comprises a frame, a rotating frame, a left clamping plate, a right clamping plate, a left spraying assembly, a right spraying assembly and a first driving assembly, wherein the frame is provided with a left vertical plate and a right vertical plate, the left end of the rotating frame is provided with a connecting sleeve which rotates synchronously, the right end of the connecting sleeve is rotationally connected with the right vertical plate, one end of the connecting sleeve is rotationally connected with the left vertical plate and penetrates through the left vertical plate to be connected with a driven gear, the first driving assembly is arranged on the frame and comprises a driving gear meshed with the driven gear and used for driving the rotating frame to rotate around the axis of the driving gear, the left clamping plate and the right clamping plate are oppositely arranged in the axial direction of the rotating frame and are respectively connected with a second driving assembly, the second driving assemblies are linear driving modules and are used for driving the left clamping plate and the right clamping plate to clamp or unclamp a valve cover, the left spraying assembly and the right spraying assembly respectively comprise a transverse moving module axially arranged along a valve cover flow passage and a vertical moving module radially arranged along the valve cover flow passage, the transverse moving module is arranged on the valve cover flow passage, the vertical moving module is provided with a first spray gun, the right spraying assembly is provided with a second spray gun on the vertical movement module, the spraying angle of the first spray gun and the second spray gun is adjustable, the first spray gun is used for spraying a first cylindrical channel, a conical transition channel and a second cylindrical channel, and the second spray gun is used for spraying a third cylindrical channel and a fourth cylindrical channel. In some embodiments, a first flange part is arranged on one side, far away from the valve body, of the valve cover, a second flange part is arranged on one side, close to the valve body, of the valve cover, a first supporting plate and a second supporting plate which a