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CN-122014934-A - Intelligent sealing gasket and leakage early warning system

CN122014934ACN 122014934 ACN122014934 ACN 122014934ACN-122014934-A

Abstract

The invention discloses an intelligent sealing gasket and a leakage early warning system, which belong to the technical field of pipeline leakage monitoring, and comprise a gasket body arranged between two pipeline flanges, wherein a monitoring ring body is fixedly sleeved on the periphery of the gasket body, monitoring annular grooves are formed in the inner periphery of two side surfaces of the monitoring ring body, a plurality of partition sheets uniformly distributed in an annular array are fixedly connected in the monitoring annular grooves, the monitoring annular grooves divide the monitoring annular grooves into a plurality of areas through the partition sheets, an induction sensor is arranged on one side, close to the gasket body, of each area of the monitoring annular grooves, of the leakage early warning system, the leakage early warning system comprises a plurality of hydraulic bases uniformly arranged in the annular array, a pushing ring is arranged between the hydraulic bases and a flange nut, the pushing ring is tightly abutted against the flange nut, and in operation, the intelligent sealing gasket sends leakage information to push the pushing ring to push the flange nut, and the clamping force of the two pipeline flanges in the area around the flange bolt is increased through reaction force, so that leakage is inhibited and temporarily blocked.

Inventors

  • CHEN ZHENGXIN
  • WU XIAOBO
  • Miao jinchuan
  • ZHANG YANQING
  • LI JIE
  • ZHANG JIAQING

Assignees

  • 安徽永正密封件有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (10)

  1. 1. The utility model provides an intelligent sealing gasket, includes gasket body (101) that sets up between two pipeline flanges (902), the equal fixedly connected with supply pipe (901) of two pipeline flanges (902), thereby two pipeline flanges (902) are annular array evenly distributed's flange bolt (903) and corresponding flange nut (904) threaded connection carry out inseparable butt jointly gasket body (101), a serial communication port, thereby the fixed monitoring ring body (102) that cup joints of periphery of gasket body (101), monitoring ring body (102) both sides face inner periphery has all been seted up monitoring ring channel (103), and monitoring ring channel (103) internal connection has a plurality of to be annular array evenly distributed's spacer (104), and spacer (104) side and pipeline flange (902) inseparable butt, monitoring ring channel (103) separate into a plurality of region with oneself through spacer (104), and sensor (105) are all installed to one side that is close to gasket body (101) in every region of monitoring ring channel (103).
  2. 2. The intelligent sealing gasket according to claim 1, wherein the monitoring ring body (102) is embedded with a plurality of diversion sub-pipes (106), each diversion sub-pipe (106) is in one-to-one correspondence and is communicated with each area of the monitoring annular groove (103), diversion main pipes (107) are embedded at two sides of the inside of the monitoring ring body (102), and each diversion sub-pipe (106) at each side is communicated with the corresponding diversion main pipe (107).
  3. 3. An intelligent sealing gasket according to claim 2, wherein a protection block (117) is fixedly connected to one side of the monitoring ring body (102), two drainage hoses (109) are arranged on the protection block (117) in a penetrating manner, two communicating pipes (108) are buried on one side of the monitoring ring body (102), the diversion main pipe (107) is communicated with the corresponding drainage hoses (109) through the corresponding communicating pipes (108), and the two drainage hoses (109) are jointly communicated with the suction hose (112).
  4. 4. An intelligent sealing gasket according to claim 3, wherein the monitoring ring body (102) is embedded with a collecting line (110), the inner peripheral side wall of the gasket body (101) is embedded with a plurality of monitoring sensors (116), the sensing sensors (105) and the monitoring sensors (116) are respectively electrically connected with the collecting line (110), and the collecting line (110) is electrically connected with a transmission line (111).
  5. 5. The intelligent sealing gasket according to claim 4, wherein a half joint (113) is arranged on the outer periphery of the pipeline flange (902), a buzzer (115) is arranged on the outer periphery of the half joint (113), a drainage main pipe (114) is communicated with the half joint (113), the transmission line (111) and the suction hose (112) are all sealed to penetrate through the side wall of the drainage main pipe (114), the transmission line (111) is electrically connected with the buzzer (115), and the suction hose (112) and the drainage main pipe (114) are respectively communicated with different liquid pumps.
  6. 6. The leakage early warning system is combined with the intelligent sealing gasket according to any one of claims 1-5, and is characterized by comprising a plurality of hydraulic bases (201) which are uniformly arranged in an annular array, wherein the hydraulic bases (201) are in one-to-one correspondence with the flange bolts (903), through grooves which are matched with the flange bolts (903) to penetrate are formed in the middle of the hydraulic bases (201), the hydraulic bases (201) are arranged between the flange nuts (904) and the pipeline flanges (902), pushing rings (205) are arranged between the hydraulic bases (201) and the flange nuts (904), and the pushing rings (205) are tightly abutted against the flange nuts (904).
  7. 7. The leakage early warning system according to claim 6, wherein an annular hydraulic cavity (202) is formed in the surface of one side, close to a flange nut (904), of each hydraulic base (201), the annular hydraulic cavity (202) is sleeved on the periphery of a flange bolt (903) and is coaxial with the flange bolt (903), sealing rings (206) are fixedly connected to the opening of the annular hydraulic cavity (202) in a sealing mode, a plurality of first pushing rods (204) which are uniformly distributed in an annular array are movably arranged on each sealing ring (206), annular pistons (203) are sleeved in the annular hydraulic cavities (202) in a sealing sliding mode, the annular pistons (203) are fixedly connected with one ends of the first pushing rods (204), and the other ends of the first pushing rods (204) are fixedly connected with the pushing rings (205).
  8. 8. The leakage early warning system according to claim 6, wherein a hydraulic column (208) is fixedly connected to one side, away from the flange nut (904), of the hydraulic base (201), a liquid guide tube cavity (207) is embedded in the hydraulic base (201), a hydraulic tube cavity (209) is embedded in the hydraulic column (208), and the hydraulic tube cavity (209), the liquid guide tube cavity (207) and the annular hydraulic cavity (202) are correspondingly communicated with each other and are filled with hydraulic oil.
  9. 9. The leakage early warning system according to claim 8, wherein the end portion of the hydraulic pipe cavity (209) is sealed and slidably sleeved with a second push rod (212), a mounting cylinder (210) is mounted on the hydraulic column (208), an electric push rod (211) is mounted in the mounting cylinder (210), and a telescopic end of the electric push rod (211) is fixedly connected with the second push rod (212).
  10. 10. The leakage warning system according to claim 6, wherein each hydraulic base (201) is connected and combined into an annular array structure by a connecting block (213).

Description

Intelligent sealing gasket and leakage early warning system Technical Field The invention relates to the technical field of pipeline leakage monitoring, in particular to an intelligent sealing gasket and a leakage early warning system. Background The pipeline system plays an important role in the aspects of oil and gas energy supply, water supply and drainage network deployment, gas and thermodynamic system construction and the like, and the pipeline system often adopts a construction mode of sectional type pipeline and flange connection, but as the service life grows and environmental factors change, the flange connection gradually exposes a plurality of problems, wherein the loosening phenomenon is particularly prominent, and the problem becomes a key hidden trouble for threatening the safety of a pipe network. The application document with the publication number of CN118030983A discloses a self-sensing flange gasket for monitoring the structural health of a conveying pipeline system, which consists of a functional component and a signal transmission circuit component, wherein the functional component is in a three-layer concentric ring contact structure and comprises a sealing inner ring layer, a leakage detection middle ring layer and a sealing strengthening outer ring layer, which are used for realizing the sealing and state monitoring functions of the flange gasket; The application document with the publication number of CN120537938A discloses a monitoring control device capable of giving an overload alarm, which comprises a pipeline structure and four bolt connection pairs, wherein two monitoring structures are arranged on the outer surface of the pipeline structure, and the two monitoring structures are fixedly connected through the four bolt connection pairs. According to the above patent and the prior art, the flange gasket of the prior art is often provided with a sensor on the contact surface with the flange, so that the tightness of the flange gasket is damaged or reduced in the process of increasing the processing, thereby greatly influencing the production and life processes, the leakage condition is often only early-warned, warned and reported in the monitoring process, the leakage point is not rapidly handled due to lack of automatic measures, temporary leakage repairing is not performed on the leakage point, the adverse effect is continuously upgraded, and the leakage substances are often simply collected and sealed at the periphery of the flange after leakage, which often leads to the need of cleaning and sealing by staff, thus the whole time is more consuming and the efficiency is lower. Disclosure of Invention The invention aims to provide a leakage early warning system aiming at the problems and the defects, so that the overall working efficiency is improved. The invention solves at least one of the following technical problems: (1) The existing flange gasket is often damaged in performance due to various newly added processing procedures; (2) The existing monitoring process is often simple to alarm leakage, lacks automatic countermeasures and is easy to develop into major accidents in the waiting process; (3) The prior art often simply collects the seals, resulting in a more time consuming overall. The intelligent sealing gasket comprises a gasket body arranged between two pipeline flanges, wherein the two pipeline flanges are fixedly connected with a supply pipeline, the two pipeline flanges are tightly abutted against the gasket body together through a plurality of flange bolts and corresponding flange nuts which are uniformly distributed in an annular array, a monitoring ring body is fixedly sleeved on the periphery of the gasket body, monitoring annular grooves are formed in the inner periphery of two side faces of the monitoring ring body, a plurality of separating sheets which are uniformly distributed in an annular array are fixedly connected in the monitoring annular grooves, the side edges of the separating sheets are tightly abutted against the pipeline flanges, the monitoring annular grooves divide the monitoring annular grooves into a plurality of areas through the separating sheets, and an induction sensor is arranged on one side, close to the gasket body, of each area of the monitoring annular grooves. Preferably, the monitoring ring body is embedded with a plurality of diversion sub-pipes, each diversion sub-pipe is in one-to-one correspondence and is communicated with each area of the monitoring annular groove, diversion main pipes are embedded at two sides of the inner part of the monitoring ring body, and each diversion sub-pipe at each side is communicated with the corresponding diversion main pipe. Preferably, one side of the monitoring ring body is fixedly connected with a protection block, two drainage hoses are arranged on the protection block in a penetrating mode, two communicating pipes are buried on one side of the monitoring ring body, the diversion main pi