CN114669536B - Maintenance equipment for overhauling and cleaning butterfly valve and application method thereof - Google Patents
Maintenance equipment for overhauling and cleaning butterfly valve and application method thereof Download PDFInfo
- Publication number
- CN114669536B CN114669536B CN202210334128.6A CN202210334128A CN114669536B CN 114669536 B CN114669536 B CN 114669536B CN 202210334128 A CN202210334128 A CN 202210334128A CN 114669536 B CN114669536 B CN 114669536B
- Authority
- CN
- China
- Prior art keywords
- valve
- cleaning
- pipeline
- pressure
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 58
- 238000012423 maintenance Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims description 18
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000012360 testing method Methods 0.000 claims description 40
- 238000012937 correction Methods 0.000 claims description 27
- 239000004519 grease Substances 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
Abstract
The invention discloses maintenance equipment for overhauling and cleaning a butterfly valve, which comprises a replacement part, an overhauling part and a replacement valve, wherein the replacement part is provided with at least two parts, each replacement part comprises a plurality of specification bolt clamping pieces, a sealing part and a sliding clamping piece fixed with the replacement valve, the sealing part comprises an upper part and a lower part, and a chute matched with the sliding clamping piece in a sealing way is also arranged on the sealing part; compared with the online maintenance design of the prior art, the maintenance equipment for overhauling and cleaning the butterfly valve can disassemble and assemble the whole set of valve, and the gap from the disassembly to the completion of overhauling and installation can be used rapidly by replacing the valve, so that the pipeline can be used uninterruptedly.
Description
Technical Field
The invention relates to the field of valve matched equipment, in particular to maintenance equipment for overhauling and cleaning a butterfly valve and a use method of the maintenance equipment for overhauling and cleaning the butterfly valve.
Background
With the development of petroleum and natural gas industry in China, natural gas is increasingly favored as clean energy. The natural gas is in liquefaction, storage, in-process, very huge to the demand volume of low temperature butterfly valve, simultaneously because the medium has the flammability, has put forward higher requirement to low temperature butterfly valve, needs the valve to possess sealing performance good, leak low, long service life, simultaneously, the valve can realize online maintenance fast. When in online maintenance, the sealing ring needs to be positioned quickly, the valve problem is checked quickly, after the problem is determined, the valve plate and other internal parts are replaced, the valve plate is assembled in one step, the operation is very difficult and a certain time is needed, so that the pipeline where the butterfly valve is located needs to be stopped by the whole pipeline, the valve is disassembled, particularly in some working condition applications where the valve cannot be stopped for a long time, the butterfly valve is more difficult to be replaced in online maintenance, and the assembly and maintenance efficiency is low.
Such as Chinese patent: CN201910218042.5 is a butterfly valve and a method for assembling a valve plate of the butterfly valve in an online quick-change manner, which discloses an online maintenance of the valve plate of the butterfly valve with a quick-change function structure, but more current standard valves are not provided with the design structure, so that an online valve disassembling and assembling device for maintenance and cleaning is very necessary.
Disclosure of Invention
In view of the prior art, the invention aims to provide overhauling, cleaning and maintaining equipment capable of providing online maintenance for valves such as butterfly valves and the like and a using method of the equipment, and the equipment can realize the online disassembly of the butterfly valve, the detection and the maintenance after the disassembly, and the pipeline is installed again, so that the whole pipeline and a medium do not need to be stopped.
The butterfly valve overhauls abluent maintenance equipment, including changing, overhauling and replacement, it is provided with two at least, and it includes bolt card, the seal of a plurality of specifications and the smooth card fixed with the replacement, the seal includes upper and lower, still is provided with on it and slides with smooth card sealing fit's smooth.
As a further arrangement of the above, the replacement includes any standard valve commercially available.
As a further arrangement of the scheme, the bolt clamp comprises a door type and a swing hinged at one end of the door type, a clamping protrusion is further arranged on the door type, and a clamp matched with the clamping protrusion is arranged in a sealing mode.
As a further arrangement of the scheme, the slide card is provided with a radial fixing knot, the radial fixing knot comprises a corresponding radial bolt which is used for fixing the slide card and the valve, and the slide card is also provided with a mounting opening which is used for replacement mounting.
As a further setting of the scheme, the overhaul comprises an opening correction instrument, a pressure seal test device, a high-pressure cleaning spray gun device and a grease injection device, wherein the high-pressure cleaning spray gun device comprises a spray gun and a high-pressure water tank, and the grease injection device comprises a grease injection gun and a cleaning liquid spray head.
As a further setting of above-mentioned scheme, the pressure seal testing device includes test, two at least pressure output adjusting instrument and pressure detection table, pressure output adjusting instrument is located the test and sets up, just pressure output adjusting instrument can test activity relatively or fixed setting, the test probe of pressure detection table is located pressure output adjusting instrument and butterfly valve junction setting.
As a further setting of above-mentioned scheme, the aperture correction appearance includes the valve fixer, be provided with flexible correction probe rod on the valve fixer, the correction probe rod is provided with two that flexible direction is relative, and it is used for detecting the valve angle that closes of valve, the valve fixer still is provided with infrared transceiver, infrared transceiver is used for detecting the valve angle that opens of valve.
The method for using the maintenance equipment for overhauling and cleaning the butterfly valve according to the above claim comprises the following steps:
s1: cleaning and cleaning the outer surface of the valve, clamping the door-shaped clamp into a pipeline corresponding to one end of the valve, overturning the swinging head relative to the door-shaped clamp, matching the door-shaped clamp to form a ring-shaped clamp to be buckled on the pipeline, pushing the ring-shaped clamp towards a flange at the end of the pipeline, and clamping the ring-shaped clamp with a fixing bolt of the valve;
s2: the sliding clamping piece is radially fixed with a valve at one side of a pipeline with the bolt clamping piece, the sealing part is divided into an upper part and a lower part which are sleeved on the pipeline, and the clamping bulge of the door-shaped clamp is clamped with the clamping groove of the sealing part;
s3: after the sealing part is connected and fixed with the pipeline and the valve, the bolt which is used for connecting the pipeline and the valve and is clamped by the opposite door-shaped clamp can be rotated and removed at the other end;
s4: after removing all corresponding bolts, the valve and the pipeline at the moment lose axial fixation and can move relatively radially, at the moment, the sliding clamping piece is pushed radially to move along the sliding groove, the valve and the pipeline can be dislocated, meanwhile, the dislocated sliding clamping piece can replace the valve to block the opening of the sealed pipeline, the pipeline at one side of the valve is separated, and the valve can be disassembled by repeating the operation;
s5: the disassembled valve is placed in a high-pressure cleaning spray gun device for internal simple cleaning, the valve is placed on a test bench after cleaning is finished, the inlet end and the outlet end of the valve are respectively connected with a pressure output regulating instrument, the pressure output regulating instrument is controlled to simulate pipeline pressure supply, the value change of a pressure detection meter is read, the tightness of the valve can be judged, and the valve can be used for repeated testing to replace a sealing mechanism which needs to be replaced;
s6: spraying cleaning liquid through a grease injection device according to requirements, then putting the cleaning liquid into a high-pressure cleaning spray gun device again to clean the inside and lubricating grease, refilling the lubricating grease through a grease injection gun of the grease injection device, repeatedly opening and closing for a plurality of times, and then performing sealing test through a pressure sealing test device again;
s7: then putting the valve after maintenance into an opening correction instrument, fixing two ends of the valve, carrying out opening or closing adjustment on the valve, testing whether the opening of the valve reaches the standard or not through a relatively telescopic correction probe rod, and then adjusting according to a test result;
s8: and (3) connecting the valve after the correction in the step (S7) with a radial fixing structure of the sliding clamping piece, reversely moving the valve in a valve closing state along the moving direction of the sliding clamping piece in the opposite step (S4) to enable the valve to be in realignment with the pipeline opening, and then fastening an original detached bolt to finish online replacement and maintenance of the valve.
Furthermore, the steps S1-S4 are applied to valves fixed by single-row bolts such as butterfly valves, and the valves are closed first and then disassembled.
The beneficial effects are that: compared with the online maintenance design of the prior art, the maintenance equipment for overhauling and cleaning the butterfly valve can disassemble and assemble the whole set of valve, and can also realize the uninterrupted use of the pipeline through the quick application of the replacement valve after disassembly and after the completion of overhauling, meanwhile, the maintenance equipment can carry out simple and quick overhauling on the valve through a plurality of targeted detection and cleaning equipment, particularly, the design of online maintenance and temporary replacement of a pipeline passage of the valve is very necessary when the pipeline cannot be stopped or cannot be stopped, the design of the replacement part can not only carry out online replacement on the valve during maintenance, but also carry out online replacement on the valve when the service period of the valve reaches and online replacement on the new valve, the pipeline does not need to stop operation in the whole process, thereby facilitating the work and maintenance of a pipeline using department or a factory, and avoiding unnecessary economic damage and accidents caused by stopping the whole pipeline during the replacement and maintenance especially when the whole pipeline is stopped.
Drawings
Fig. 1 is a schematic diagram of a replacement part structure according to the present invention.
FIG. 2 is a schematic view of a pressure seal testing apparatus for an inspection section according to the present invention.
FIG. 3 is a schematic view of a radial fixing structure of a slide fastener according to the present invention.
Reference numerals: 1. replacing the valve; 2. an overhaul part; 3. a replacement part; 31. a bolt clip; 311. a door-type card; 312. a swinging head; 313. a clamping protrusion; 32. a sealing part; 321. a clamping groove; 322. an upper part; 323. a lower part; 33. a slide fastener; 34. a chute; 35. a radial fixing structure; 7. a pressure seal testing device; 71. a test bench; 10. a pipeline.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. In addition, the embodiments of the present application and the features in the embodiments may be combined with each other without conflicting with each other.
The maintenance equipment for repairing and cleaning butterfly valves of the invention shown in fig. 1-3 comprises a replacement part 3, a repair part 2 and a replacement valve 1, wherein the replacement valve 1 refers to any commercially available standard valve, and is specifically used for repairing the valve, the replacement part 3 is provided with at least two valves, and is generally arranged by adopting flange plates at two ends for connecting pipelines, according to practical situations, if a problem pipeline with no backflow exists at the outlet end of the valve, only one valve can be used, the replacement part 3 of the embodiment comprises a bolt clamping piece 31, a sealing part 32 and a sliding clamping piece 33 which is fixed with the replacement valve 1, the middle sealing part 32 comprises an upper part 322 and a lower part 323, and a sliding groove 34 which is in sealing fit with the sliding clamping piece 33 is further arranged on the replacement part 32, and in the embodiment, for example, a structural explosion diagram of the replacement process of the replacement part 3 shown in fig. 1 is exemplified.
One end of the sliding clamping piece 33 is matched with the valve, the sliding clamping piece 33 is fixed through a radial fixing structure 35 as shown in fig. 3, the sliding clamping piece 33 is convenient to push the valve, the sliding clamping piece 33 is further provided with a mounting opening, the mounting opening is arranged for the purpose that when the pipeline cannot stop but the butterfly valve needs to be overhauled, a temporary standby valve can be arranged on the mounting opening, namely, the replacement valve 1 temporarily replaces the two ends of the acting connecting pipeline 10 of the overhauling valve, and the replacement valve 1 is supposed to conform to the current working condition or the standby valve completely consistent with the overhauling valve, so that unnecessary accidents are avoided.
According to the invention, the sealing part 32 is divided into the upper part 322 and the lower part 323, the upper part 322 and the lower part 323 can be mutually separated or tightly sealed and fixed, the notch in the sealing part 32 is used for placing the pipeline 10 and the bolt clamping piece 31, the bolt clamping piece 31 comprises the door-shaped clamp 311 and the swinging head 312 hinged at one end part of the door-shaped clamp 311, the door-shaped clamp 311 is also provided with the clamping protrusion 313, the sealing part 32 is provided with the clamping groove 321 matched with the clamping protrusion 313, through the structure, when in use, the door-shaped clamp 311 is only required to be clamped in alignment with the pipeline 10, the swinging head 312 swings along the hinge part of the door-shaped clamp 311 to form a ring shape, and a plurality of bolt head clamping grooves are arranged on the door-shaped clamp 311 and the swinging head 312.
In addition, the maintenance part 2 of the invention comprises an opening correction instrument for calibrating and confirming the opening of an opening and closing valve of a valve, a pressure seal testing device 7 for detecting the tightness of the valve, a high-pressure cleaning spray gun device and a grease injection device, wherein the pressure seal testing device 7 is used for ensuring the service life of the sealing element or verifying the quality of the sealing element after the sealing element is replaced, the high-pressure cleaning spray gun device is used for cleaning and changing grease, the high-pressure cleaning spray gun device comprises a spray gun and a high-pressure water tank, the grease injection device comprises a grease injection gun and a cleaning liquid spray head, the valve is disassembled and disassembled through a tool, cleaning and descaling are carried out on the inside of the grease injection device, then grease injection is carried out, the pressure seal testing device 7 is used for testing, the pressure seal testing device 7 comprises a test bench 71, at least two pressure output regulating instruments and a pressure detection meter, the pressure output regulating instruments are arranged on the test bench 71, the pressure output regulating instruments can be movably or fixedly arranged relative to the test bench 71, and a detection probe of the pressure detection meter is arranged at the joint of the pressure output regulating instrument and a butterfly valve, when the high-pressure regulating instrument is used, the high-pressure cleaning spray gun device is suitable for the pressure output regulating instrument, the pressure regulating instrument is suitable for thickness, a simulation valve and a pipeline is used, the pressure is used, the device is used, the valve is and can be used for simulating and the condition of the valve and is used, and the pressure change by installing and the pressure regulating instrument is used for producing the pressure change through the pressure conditions through the pressure regulation instrument and the pressure regulation instrument.
The invention also provides an opening correction tool, namely an opening correction instrument, which comprises a valve fixer, wherein the valve fixer is provided with two telescopic correction probe rods, the two telescopic correction probe rods are arranged on the valve fixer and are used for detecting the valve closing angle of a valve, the valve fixer is also provided with an infrared receiving and transmitting device, the infrared receiving and transmitting device is used for detecting the valve opening angle of the valve, the opening correction instrument is mainly used for measuring the opening change caused by the valve after being used for a long time or disassembled and disassembled after being worn or installed, the opening correction instrument mainly comprises two blocks, and comprises a butterfly valve, for example, the butterfly valve comprises two correction probe rods which are positioned on the two sides of an inlet and an outlet of the butterfly valve and are used for measuring the angles of the valve plate relative to the inlet end face of the butterfly valve when the valve is closed, and the angle of the valve plate relative to the inlet end face of the butterfly valve is determined, meanwhile, the correction probe rods can also be used for implementing detection display when the swinging angle of the butterfly plate is not generated, then the worker swings through external driving the valve plate until the specified angle, and the infrared receiving and transmitting device is arranged at the two ends and the infrared receiving device and the infrared ray parallel to the inner wall of a medium flow passage of the butterfly valve is used for measuring the opening of the butterfly valve.
The application method of the maintenance equipment for overhauling and cleaning the butterfly valve is used for replacing and overhauling the butterfly valve, and meanwhile, the main steps of the equipment adopting the method can be applied to other valves:
firstly, cleaning the outer surface of a valve;
s1: then the door-shaped clamp 311 is aligned with the pipeline 10 at one end of the valve, after the clamping, the swinging head 312 is turned over along the hinge joint of the door-shaped clamp 311 until the swinging head is matched with the door-shaped clamp 311 to form a ring shape, and the door-shaped clamp is pushed towards the direction of the valve after the ring shape is formed until the swinging head is clamped with all hexagonal fixing bolts of the valve, so that the swinging head is just clamped into the hexagonal clamping grooves of the bolt clamping piece 31;
s2: the sealing part 32 is disassembled into an upper part 322 and a lower part 323, the upper part 322 and the lower part 323 are sleeved on the pipeline 10 provided with the bolt clamping piece 31, and the clamping protrusion 313 of the door-shaped clamp 311 is in opposite clamping with the clamping groove 321 of the sealing part 32, so that the pipeline 10 and the bolt clamping piece 31 are fixed relative to the sealing part 32 in the circumferential direction;
s3: after the sealing part 32 in the step S2 is installed, the sliding clamping piece 33 and the target maintenance valve are radially fixed, then bolts with one ends clamped by the bolt clamping piece 31 on the valve are removed, and after the bolts are removed, the valve can be separated from the pipeline 10;
s4: after all bolts are removed, pushing the sliding clamping piece 33 to misplace the valve and the pipeline 10 along the sliding groove 34, wherein the sliding clamping piece 33 can block the end part of the pipeline 10 on the sealing part 32 to replace the valve to temporarily block the opening of the sealed pipeline 10, so that the pipeline 10 on one side of the valve is separated, and the pipeline 10 on the two ends of the valve is blocked by repeating the operation, so that the valve can be disassembled;
s5: then the disassembled valve is put into a high-pressure cleaning spray gun device for internal simple cleaning, the valve is put on a test bench 71 after cleaning, a pressure output adjusting instrument is respectively connected to an inlet end and an outlet end of the valve, the pressure output adjusting instrument is controlled to simulate the pressure change of the pipeline 10 in a pressure feeding and using state, the valve plate is driven to be clamped for multiple times, the numerical value change of a pressure detection meter is read to judge whether the sealing performance of the valve meets the standard or not, the valve can be used for repeated testing, and a sealing mechanism to be replaced is replaced according to a test result;
s6: spraying cleaning liquid through a grease injection device according to requirements, then putting the cleaning liquid into a high-pressure cleaning spray gun device again to clean the inside and lubricating grease, then refilling the lubricating grease through a grease injection gun of the grease injection device, repeatedly opening and closing for a plurality of times, and then performing sealing test through a pressure sealing test device 7 again;
s7: then putting the valve after maintenance into an opening correction instrument, firstly fixing two ends of the valve, carrying out opening or closing adjustment on the valve, testing whether the opening of the valve is qualified or not through a relatively telescopic correction probe rod and an infrared transceiver, and carrying out fine adjustment synchronously through the equipment;
s8: the valve after the correction is connected through the radial fixing structure of the sliding clamping piece 33, and the valve is reversely moved along the disassembly moving direction relative to the step S4 in the valve closing state, so that the valve is realigned to the pipeline 10 port, then the original disassembled bolt is fastened, the valve can be replaced on line, the pipeline where the valve is positioned is not required to be stopped in the whole process, and the replacement valve 1 can be installed on the preset installation port on the sliding clamping piece 33 for temporary valve replacement after the valve is disassembled according to working conditions.
Compared with the online maintenance design of the prior art, the maintenance equipment for overhauling and cleaning the butterfly valve can disassemble and assemble the whole set of valve, and can also realize the uninterrupted use of the pipeline through the quick application of the replacement valve after disassembly and after the completion of overhauling, meanwhile, the maintenance equipment can carry out simple and quick overhauling on the valve through a plurality of targeted detection and cleaning equipment, particularly, the design of online maintenance and temporary replacement of a pipeline passage of the valve is very necessary when the pipeline cannot be stopped or cannot be stopped, the design of the replacement part can not only carry out online replacement on the valve during maintenance, but also carry out online replacement on the valve when the service period of the valve reaches and online replacement on the new valve, the pipeline does not need to stop operation in the whole process, thereby facilitating the work and maintenance of a pipeline using department or a factory, and avoiding unnecessary economic damage and accidents caused by stopping the whole pipeline during the replacement and maintenance especially when the whole pipeline is stopped.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. Maintenance equipment for overhauling and cleaning butterfly valve, which is characterized in that: the device comprises a replacement part (3), an overhaul part (2) and a replacement valve (1), wherein the replacement part (3) is provided with at least two bolt clamping pieces (31) with a plurality of specifications, a sealing part (32) and a sliding clamping piece (33) fixed with the replacement valve (1), and the sealing part (32) comprises an upper part (322) and a lower part (323) and is also provided with a sliding groove (34) in sealing fit with the sliding clamping piece (33); bolt fastener (31) include door type card (311) and lie in articulated swinging head (312) of door type card (311) one end, still be provided with block protruding (313) on door type card (311), sealing (32) are provided with draw-in groove (321) with block protruding (313) assorted, smooth fastener (33) are provided with radial fixed knot and construct (35), radial fixed knot constructs (35) including corresponding radial bolt, it is fixed with the valve that it is used for smooth fastener (33), still be provided with the installing port on smooth fastener (33), the installing port is used for the installation of replacement valve (1).
2. The butterfly valve service cleaning maintenance apparatus of claim 1, wherein: the replacement valve (1) comprises any standard valve commercially available.
3. The butterfly valve service cleaning maintenance apparatus of claim 2, wherein: the maintenance part (2) comprises an opening correction instrument, a pressure sealing testing device (7), a high-pressure cleaning spray gun device and a grease injection device, wherein the high-pressure cleaning spray gun device comprises a spray gun and a high-pressure water tank, and the grease injection device comprises a grease injection gun and a cleaning fluid spray head.
4. A butterfly valve service cleaning maintenance apparatus according to claim 3, wherein: the pressure sealing testing device (7) comprises a testing table (71), at least two pressure output adjusting instruments and a pressure detection meter, wherein the pressure output adjusting instruments are arranged on the testing table (71), the pressure output adjusting instruments can be movably or fixedly arranged relative to the testing table (71), and a detection probe of the pressure detection meter is arranged at the joint of the pressure output adjusting instruments and the butterfly valve.
5. The butterfly valve service cleaning maintenance apparatus of claim 4, wherein: the opening correction instrument comprises a valve fixer, a telescopic correction probe rod is arranged on the valve fixer, two correction probe rods are arranged in the opposite directions, the correction probe rods are used for detecting the valve closing angle of a valve, the valve fixer is also provided with an infrared receiving and transmitting device, and the infrared receiving and transmitting device is used for detecting the valve opening angle of the valve.
6. The method for using the maintenance equipment for overhauling and cleaning the butterfly valve according to claim 5, wherein the method comprises the following steps of: the method comprises the following steps: s1: cleaning and cleaning the outer surface of the valve, then clamping the gate-shaped clamp (311) in the pipeline (10) corresponding to one end of the valve, turning the swinging head (312) relative to the gate-shaped clamp (311), forming a ring-shaped clamp by matching with the gate-shaped clamp (311) to be buckled on the pipeline (10), pushing the ring-shaped clamp towards a flange at the end of the pipeline (10), and clamping the ring-shaped clamp with a fixing bolt of the valve; s2: radially fixing the sliding clamping piece (33) and a valve on one side of the pipeline (10) with the bolt clamping piece (31), decomposing the sealing part (32) into an upper part (322) and a lower part (323), sleeving the upper part (322) and the lower part (323) on the pipeline (10), and clamping the clamping protrusion (313) of the door-shaped clamp (311) with the clamping groove (321) of the sealing part (32); s3: after the sealing part (32) is connected with the pipeline (10) and the valve, the bolt for connecting the pipeline (10) and the valve, which is clamped by the door-shaped clamp (311), can be rotated and removed at the other end; s4: after removing all corresponding bolts, the valve and the pipeline (10) lose axial fixation at the moment and can move relatively radially, at the moment, the sliding clamping piece (33) is pushed radially to move along the sliding groove (34), the valve and the pipeline (10) can be dislocated, meanwhile, the dislocated sliding clamping piece (33) can replace the valve to block the opening of the sealed pipeline (10), the pipeline (10) at one side of the valve is separated, and the valve can be detached by repeating the operation; s5: the disassembled valve is placed in a high-pressure cleaning spray gun device for internal simple cleaning, the valve is placed on a test bench (71) after cleaning is finished, the inlet end and the outlet end of the valve are respectively connected with a pressure output regulating instrument, the pressure is given by controlling the pressure output regulating instrument to simulate a pipeline (10), the value change of a pressure detection meter is read, the tightness of the valve can be judged, and the valve can be used for repeated testing to replace a sealing mechanism which needs to be replaced; s6: spraying cleaning liquid through a grease injection device according to requirements, then putting the cleaning liquid into a high-pressure cleaning spray gun device again to clean the inside and lubricating grease, then refilling the lubricating grease through a grease injection gun of the grease injection device, repeatedly opening and closing for a plurality of times, and then performing sealing test through a pressure sealing test device (7); s7: then putting the valve after maintenance into an opening correction instrument, fixing two ends of the valve, carrying out opening or closing adjustment on the valve, testing whether the opening of the valve reaches the standard or not through a relatively telescopic correction probe rod, and then adjusting according to a test result; s8: and (3) connecting the valve subjected to correction in the step (S7) with a radial fixed structure of the sliding clamping piece (33), reversely moving the valve in a valve closing state along the moving direction of the sliding clamping piece (33) in the opposite step (S4) to enable the valve to be in realignment with the port of the pipeline (10), and fastening an original detached bolt to finish online replacement and maintenance of the valve.
7. The method for using the maintenance equipment for overhauling and cleaning a butterfly valve according to claim 6, wherein the method comprises the following steps: and the steps S1-S4 are applied to a valve fixed by a single row of bolts of a butterfly valve, and the valve is closed first and then disassembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210334128.6A CN114669536B (en) | 2022-03-31 | 2022-03-31 | Maintenance equipment for overhauling and cleaning butterfly valve and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210334128.6A CN114669536B (en) | 2022-03-31 | 2022-03-31 | Maintenance equipment for overhauling and cleaning butterfly valve and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114669536A CN114669536A (en) | 2022-06-28 |
| CN114669536B true CN114669536B (en) | 2024-03-22 |
Family
ID=82076425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210334128.6A Active CN114669536B (en) | 2022-03-31 | 2022-03-31 | Maintenance equipment for overhauling and cleaning butterfly valve and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114669536B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272661A (en) * | 1992-03-27 | 1993-10-19 | Tokyo Gas Co Ltd | Valve device replacing tool |
| CN103600333A (en) * | 2013-12-11 | 2014-02-26 | 成都海光核电技术服务有限公司 | Butterfly valve flange separating and adjusting tool |
| CN204692626U (en) * | 2015-05-17 | 2015-10-07 | 黄丽英 | With the valve of on-bne repair function |
| CN206234430U (en) * | 2016-12-08 | 2017-06-09 | 厦门市台亚塑胶有限公司 | A kind of both-end has the valve of ready-packaged joint |
| CN212146272U (en) * | 2020-04-01 | 2020-12-15 | 中国石化集团中原石油勘探局有限公司热力分公司 | Valve assembly and disassembly tools |
| CN216067315U (en) * | 2021-06-24 | 2022-03-18 | 大连工业大学艺术与信息工程学院 | Special tool for disassembling and assembling valve |
| CN216143218U (en) * | 2021-08-25 | 2022-03-29 | 上海中韩易捷特阀门有限公司 | Top-mounted floating ball valve |
-
2022
- 2022-03-31 CN CN202210334128.6A patent/CN114669536B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272661A (en) * | 1992-03-27 | 1993-10-19 | Tokyo Gas Co Ltd | Valve device replacing tool |
| CN103600333A (en) * | 2013-12-11 | 2014-02-26 | 成都海光核电技术服务有限公司 | Butterfly valve flange separating and adjusting tool |
| CN204692626U (en) * | 2015-05-17 | 2015-10-07 | 黄丽英 | With the valve of on-bne repair function |
| CN206234430U (en) * | 2016-12-08 | 2017-06-09 | 厦门市台亚塑胶有限公司 | A kind of both-end has the valve of ready-packaged joint |
| CN212146272U (en) * | 2020-04-01 | 2020-12-15 | 中国石化集团中原石油勘探局有限公司热力分公司 | Valve assembly and disassembly tools |
| CN216067315U (en) * | 2021-06-24 | 2022-03-18 | 大连工业大学艺术与信息工程学院 | Special tool for disassembling and assembling valve |
| CN216143218U (en) * | 2021-08-25 | 2022-03-29 | 上海中韩易捷特阀门有限公司 | Top-mounted floating ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114669536A (en) | 2022-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113310682B (en) | Integrated test pipeline structure, system and test method of hydrogen-related high-pressure pipe valve | |
| CN114669536B (en) | Maintenance equipment for overhauling and cleaning butterfly valve and application method thereof | |
| CN110389036B (en) | General test platform for simulating real installation coordinates of external pipeline of aero-engine | |
| JPS629081A (en) | Cock mounting and removing device and method of its use | |
| CN110834300A (en) | Flange plate adjusting device and method | |
| RU183269U1 (en) | DEVICE FOR REMOVING FLANGES OF THE BALL VALVE DU 500 FOR REPAIR OF SEALING THE HOUSING-FLANGE | |
| CN116358788A (en) | Method capable of simultaneously testing air tightness of multiple independent chambers | |
| CN103134646B (en) | The watertightness detection system of pipeline and detection method thereof | |
| RU2701811C1 (en) | Method of cutting and closing pipeline under pressure | |
| KR20190092704A (en) | Apparatus and Method for Testing Oil Leakage of Aircraft Propeller | |
| CN219244509U (en) | Simple and quick survey and drawing blast furnace reducing pipe device | |
| CN209622483U (en) | Gas pressure regulator, governor debugging system | |
| CN201135989Y (en) | Smoke discharging pipe device of thrust stand | |
| CN105784282A (en) | Fuel accessory component oil leakage volume testing apparatus | |
| CN220932302U (en) | Natural gas equipment testing arrangement | |
| CN219292278U (en) | Angle type welding valve purging tool | |
| CN219015540U (en) | A test device that presses for ground well bolt | |
| CN209223483U (en) | A kind of core weld fixture apparatus | |
| CN212361194U (en) | Tooling equipment for air conditioner test | |
| RU208593U1 (en) | Adjustable flange | |
| CN219244933U (en) | DF4 type diesel locomotive engine oil heat exchanger hydrostatic test device | |
| CN117387851B (en) | Quality detection equipment for gate valve | |
| CN109883614B (en) | Ball valve sealing seat test die and use method | |
| RU2818609C2 (en) | Universal hydraulic clamping unit - stand for positioning and sealing of flanged pipeline valves with adjustable clamping system | |
| CN211289199U (en) | Temporary sealing tool for pipeline leakage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |