CN111610576A - Maintenance method of high-capacity air gun - Google Patents
Maintenance method of high-capacity air gun Download PDFInfo
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- CN111610576A CN111610576A CN202010505715.8A CN202010505715A CN111610576A CN 111610576 A CN111610576 A CN 111610576A CN 202010505715 A CN202010505715 A CN 202010505715A CN 111610576 A CN111610576 A CN 111610576A
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- Prior art keywords
- air gun
- air
- gun
- maintenance
- capacity
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- 238000012423 maintenance Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005284 excitation Effects 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 208000034656 Contusions Diseases 0.000 claims description 3
- 208000034526 bruise Diseases 0.000 claims description 3
- 239000003518 caustics Substances 0.000 claims description 3
- 231100001010 corrosive Toxicity 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000003373 anti-fouling effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V13/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V1/00 – G01V11/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a maintenance method of a large-capacity air gun, and belongs to the technical field of geophysical exploration. The maintenance method of the large-capacity air gun is scientific in maintenance according to water quality, climate environment, test frequency, air gun airtightness and the like of an air gun excitation test place, has the characteristics of high efficiency, convenience, practicability and the like, can prolong the service life of the air gun, reduce the maintenance frequency and improve the efficiency of monitoring development of the underground medium change process in future.
Description
Technical Field
The technical field of geophysical exploration, in particular to a maintenance method of a high-capacity air gun, and particularly relates to a maintenance method of a Keoqilian active source high-capacity air gun.
Background
The artificial seismic source has the characteristics of accurately controlling the excitation time and the excitation space position, can perform accurate energy release in a specified time domain and a specified space domain to generate seismic waves, and researches the change process of the underground medium through the propagation of the seismic waves in the crust, so the artificial seismic source has a good prospect in the aspect of monitoring the change process of the underground medium.
At present, the common artificial seismic sources include explosive blasting, underwater air gun excitation, falling weight or hammering, electric sparks, controllable seismic sources and the like.
The air gun seismic source has the advantages of environmental protection, high precision, good repeatability, economy, practicality and the like, and is an important means for monitoring the change process of an underground medium, so that the maintenance and the maintenance of the air gun are performed, the excitation precision of the air gun is improved, the service life is prolonged, and the air gun seismic source is of great importance to the normal development of the excitation test of the active source of the air gun.
Disclosure of Invention
In view of one or more of the problems of the prior art, the present invention provides a method for maintaining a high capacity air gun, comprising the steps of:
1) hoisting: lifting the air gun out of the water surface from the excitation sinking depth, and reducing the air pressure of the air gun to 400PSI by using an air distribution table before lifting;
2) initial inspection: after the air gun is lifted out of the water surface, the air in the air gun is completely discharged, and the appearance, the gun frame, the connecting air pipeline and the like of the air gun are checked for large-area bruise and abrasion; if the surface of the air gun has abrasion and burrs, the air gun needs to be polished by fine abrasive paper, if the gun frame is abraded, the gun frame needs to be reinforced or replaced, and if the air pipeline is damaged, spare parts need to be replaced;
3) disassembling: the air gun is hung to a special air gun maintenance trolley, a small air chamber protective sleeve, an air pipeline and a cable are disassembled, and the air gun is transferred to a maintenance room to disassemble a small air chamber and an atmospheric chamber;
4) cleaning and maintaining: cleaning the surface deposits and corrosives of a gun shuttle, a small air chamber and an atmospheric chamber by using an oxalic acid solvent, wiping a sealing O-shaped ring, a spring and the like, and coating lubricating grease;
5) assembling and inspecting: after cleaning and maintenance, sequentially assembling and hoisting the air gun, and inflating to 400PSI to check the air gun airtightness; wherein, the torsion requirements of assembling and fixing each part are as follows: the torque of the gun shuttle is 610N.M, the torque of the zinc block is 56N.M, the fixed torque of the electromagnetic valve is 37N.M, the fixed torque of the protective cover of the electromagnetic valve is 58N.M, and the fixed torque of the cable is 11 N.M;
6) rust-proof and antifouling treatment: coating antirust lead oil on the parts which are easy to wear, such as fixed shackles, screws and the like, and spraying antirust paint on the cleaned gun body;
7) airing and setting: and after the sprayed antirust paint is dried completely, sinking the air gun to an excitation position, inflating to 2050PSI for a gas holding test, checking the gas tightness, and judging that the maintenance of the air gun is finished if the air gun does not have the phenomenon of air pressure reduction of the air gun or if the air gun is excited for a plurality of times after the air pressure of the air gun reaches 2050PSI and the air gun is not closed badly.
The method further comprises the following steps:
8) and (3) maintenance garbage treatment: clean waste liquid and waste generated in the maintenance process are classified and stored, transported to the shore and then treated by a special treatment unit.
The large-capacity air gun is a Qilianshan active source large-capacity air gun.
The maintenance method of the large-capacity air gun based on the technical scheme can carry out scientific maintenance and treatment on the air gun and garbage waste according to the water quality, the climate environment, the test frequency, the air gun airtightness and the like of the air gun excitation test place, and can ensure the normal development of the air gun active source excitation test. The method provided by the invention has the characteristics of high efficiency, convenience, practicability and the like, and lays a solid foundation for the normal operation of the air gun excitation test; the method has the advantages that the maintenance can be realized through the method, the service life of the air gun can be prolonged, the maintenance frequency can be reduced, and the efficiency of monitoring the development of the underground medium change process in the future can be improved.
Drawings
FIG. 1 is a schematic diagram of an operation requirement topology of a method for maintaining a large-capacity air gun according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and drawings.
As shown in fig. 1, the operation requirement topology of the maintenance method for a large-capacity air gun according to the present invention specifically includes the following steps:
(1) lifting the air gun out of the water surface from the excitation sinking depth according to the topological structure required by the operation, and reducing the air pressure of the air gun to 400PSI by using an air distribution table before lifting;
(2) after the air gun is lifted out of the water surface according to the step (1), an operator of the air distribution platform is informed to discharge all air in the air gun, and whether large-area bruise and abrasion exist on the outer surface of the air gun, a gun rack, a connecting air pipeline and the like is checked; the abrasion and the burr on the surface of the air gun need to be polished by fine abrasive paper, the abrasion of a gun frame needs to be reinforced or replaced, and the air pipeline is damaged and spare parts need to be replaced;
(3) the special cart for air gun maintenance is utilized, the air gun is hung to the cart, the small air chamber protective sleeve, the air pipeline and the cable are disassembled, and the air gun is transferred to a maintenance room to disassemble the small air chamber and the large air chamber;
(4) cleaning the surface deposits and corrosives of a gun shuttle, a small air chamber and an atmospheric chamber by using an oxalic acid solvent, wiping a sealing O-shaped ring, a spring and the like, and coating lubricating grease; in the cleaning process, the zinc block and the sealing O-shaped ring are forbidden to be cleaned by oxalic acid solution;
(5) after cleaning and maintenance, sequentially assembling and hoisting the air gun, and inflating to 400PSI to check the air gun airtightness; the torque requirements for each part of the assembly fixture are shown in table 1 below. Those skilled in the art will appreciate that the following numerical values in table 1 are within the scope of the present invention within a range of ± 10%.
Table 1: torque requirement table for each part of air gun assembly (Unit: N.M)
| Location of a body part | Magnitude of torsion |
| Gun shuttle | 610 |
| Zinc block | 56 |
| Solenoid valve fixing | 37 |
| Solenoid valve safety cover is fixed | 58 |
| Cable fixing | 11 |
(6) Coating antirust lead oil on easily-worn parts such as fixed shackles and screws, spraying antirust paint on the cleaned gun body, and slowing down the corrosion rate of the air gun under water;
(7) after the sprayed antirust paint is dried completely, sinking an air gun to an excitation position, inflating to 2050PSI for a gas holding test, and checking the gas tightness; after the air gun is inflated to 2050PSI, holding the air for a period of time without the phenomenon of air gun pressure reduction, or after the air gun is excited for a plurality of times after the air gun pressure reaches 2050PSI without the air gun being badly closed, judging that the air gun maintenance is finished; if the maintenance is not successful, the inspection is required to be carried out according to the operation requirements and steps until the maintenance is successfully completed.
(8) Clean waste liquid and waste generated in the maintenance process are classified and stored, transported to the shore and then treated by a special treatment unit.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A maintenance method of a large-capacity air gun is characterized by comprising the following steps:
1) hoisting: lifting the air gun out of the water surface from the excitation sinking depth, and reducing the air pressure of the air gun to 400PSI by using an air distribution table before lifting;
2) initial inspection: after the air gun is lifted out of the water surface, the air in the air gun is completely discharged, and the appearance, the gun frame, the connecting air pipeline and the like of the air gun are checked for large-area bruise and abrasion; if the surface of the air gun has abrasion and burrs, the air gun needs to be polished by fine abrasive paper, if the gun frame is abraded, the gun frame needs to be reinforced or replaced, and if the air pipeline is damaged, spare parts need to be replaced;
3) disassembling: the air gun is hung to a special air gun maintenance trolley, a small air chamber protective sleeve, an air pipeline and a cable are disassembled, and the air gun is transferred to a maintenance room to disassemble a small air chamber and an atmospheric chamber;
4) cleaning and maintaining: cleaning the surface deposits and corrosives of a gun shuttle, a small air chamber and an atmospheric chamber by using an oxalic acid solvent, wiping a sealing O-shaped ring, a spring and the like, and coating lubricating grease;
5) assembling and inspecting: after cleaning and maintenance, sequentially assembling and hoisting the air gun, and inflating to 400PSI to check the air gun airtightness; wherein, the torsion requirements of assembling and fixing each part are as follows: the torque of the gun shuttle is 610N.M, the torque of the zinc block is 56N.M, the fixed torque of the electromagnetic valve is 37N.M, the fixed torque of the protective cover of the electromagnetic valve is 58N.M, and the fixed torque of the cable is 11 N.M;
6) rust-proof and antifouling treatment: coating antirust lead oil on the parts which are easy to wear, such as fixed shackles, screws and the like, and spraying antirust paint on the cleaned gun body;
7) airing and setting: and after the sprayed antirust paint is dried completely, sinking the air gun to an excitation position, inflating to 2050PSI for a gas holding test, checking the gas tightness, and judging that the maintenance of the air gun is finished if the air gun does not have the phenomenon of air pressure reduction of the air gun or if the air gun is excited for a plurality of times after the air pressure of the air gun reaches 2050PSI and the air gun is not closed badly.
2. The method of maintenance of a high volume air gun according to claim 1, further comprising:
8) and (3) maintenance garbage treatment: clean waste liquid and waste generated in the maintenance process are classified and stored, transported to the shore and then treated by a special treatment unit.
3. The method for maintaining a high-capacity air gun according to claim 1 or 2, wherein the high-capacity air gun is a qilianshan active source high-capacity air gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505715.8A CN111610576A (en) | 2020-06-05 | 2020-06-05 | Maintenance method of high-capacity air gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505715.8A CN111610576A (en) | 2020-06-05 | 2020-06-05 | Maintenance method of high-capacity air gun |
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| Publication Number | Publication Date |
|---|---|
| CN111610576A true CN111610576A (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010505715.8A Pending CN111610576A (en) | 2020-06-05 | 2020-06-05 | Maintenance method of high-capacity air gun |
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| Country | Link |
|---|---|
| CN (1) | CN111610576A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333680A (en) * | 2007-06-25 | 2008-12-31 | 北京有色金属研究总院 | Method and apparatus for quickly maintaining epitaxy end gas processor |
| US20100320027A1 (en) * | 2009-06-18 | 2010-12-23 | Stephen Chelminski | Device for marine seismic exploration for deposits |
-
2020
- 2020-06-05 CN CN202010505715.8A patent/CN111610576A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333680A (en) * | 2007-06-25 | 2008-12-31 | 北京有色金属研究总院 | Method and apparatus for quickly maintaining epitaxy end gas processor |
| US20100320027A1 (en) * | 2009-06-18 | 2010-12-23 | Stephen Chelminski | Device for marine seismic exploration for deposits |
Non-Patent Citations (6)
| Title |
|---|
| 严俊嵩: "Bolt枪在海洋地震勘探中的应用", 南海地质研究, pages 129 - 132 * |
| 尹丽兰: "浅谈枪支保养", 《法制博览》 * |
| 尹丽兰: "浅谈枪支保养", 《法制博览》, 29 February 2016 (2016-02-29), pages 281 - 282 * |
| 徐宏朝;: "GⅡ气枪常见故障判断及排除方法", 物探装备, no. 01 * |
| 於国平;: "模块式APG气枪震源系统的配置及现场使用管理", 物探装备, no. 02, pages 129 * |
| 黄晓军;王庆江;何文华;: "Sleeve型气枪阵列常见故障及解决方法", 物探装备, no. 01 * |
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Application publication date: 20200901 |