CN111773830A - Air drill non-hydrocarbon gas filtering device - Google Patents

Air drill non-hydrocarbon gas filtering device Download PDF

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Publication number
CN111773830A
CN111773830A CN202010641681.5A CN202010641681A CN111773830A CN 111773830 A CN111773830 A CN 111773830A CN 202010641681 A CN202010641681 A CN 202010641681A CN 111773830 A CN111773830 A CN 111773830A
Authority
CN
China
Prior art keywords
filter
cover
cylinder cover
threaded connection
cartridge
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.)
Pending
Application number
CN202010641681.5A
Other languages
Chinese (zh)
Inventor
妥红
张以军
王勇飞
刘伍生
王亮军
巴富满
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Xibu Drilling Engineering Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China National Petroleum Corp, CNPC Xibu Drilling Engineering Co Ltd filed Critical China National Petroleum Corp
Priority to CN202010641681.5A priority Critical patent/CN111773830A/en
Publication of CN111773830A publication Critical patent/CN111773830A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • B01D46/0005Mounting of filtering elements within casings, housings or frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/44Auxiliary equipment or operation thereof controlling filtration
    • B01D46/446Auxiliary equipment or operation thereof controlling filtration by pressure measuring

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to the technical field of filtering non-hydrocarbon gas collected by an air drill, in particular to an air drill non-hydrocarbon gas filter. The invention has short gas circuit delay and can improve the detection time of the non-hydrocarbon gas; and adopted filter equipment to filter sample gas, can obtain pure sample gas, simultaneously, filter equipment adopts the material that can the repeated washing used, has practiced thrift the cost, and it has solved current simple and easy purification cask sampling device existence effectively does not have filter equipment, causes the problem that the gas circuit delays length and sensor are fragile, has ensured that logging work develops smoothly under the air drilling condition, satisfies the production demand.

Description

Air drill non-hydrocarbon gas filtering device
Technical Field
The invention relates to the technical field of filtering non-hydrocarbon gas collected by an air drill, in particular to a non-hydrocarbon gas filter for the air drill.
Background
Currently, the air drilling technology is a drilling technology developed in recent years, but there is no special non-hydrocarbon gas sampling device, and the purification water barrel is firstly used for modification, the most original and simple sampling mode is completed, but the existing purification water barrel sampling device has the disadvantages: the volume is large, and no filter device is arranged, so that the problems of long time delay of the gas circuit and easy damage of the sensor are caused.
According to the requirements of gas drilling and logging technical specifications, the non-hydrocarbon gas detection filtration cannot be purified by water filtration, and methods for detecting, filtering and dedusting non-hydrocarbon gases such as hydrogen sulfide, carbon monoxide, carbon dioxide, oxygen and the like still need to be improved.
Disclosure of Invention
The invention provides a non-hydrocarbon gas filter for an air drill, overcomes the defects of the prior art, and can effectively solve the problems of long gas path delay and easy damage of a sensor caused by the absence of a filtering device in the conventional purified water bucket sampling device.
The technical scheme of the invention is realized by the following measures: the utility model provides an air bores non-hydrocarbon gas filter, including cartridge filter and filter equipment, cartridge filter bottom fixed mounting has lower cover, cartridge filter top fixed mounting has last cover, be provided with air inlet and gas outlet respectively on lower cover and the last cover, the air inlet department fixed mounting of lower cover has the sample air inlet nozzle, be provided with the gas vent on the lower cover, the gas vent department of lower cover is provided with discharge valve, through outer fiber connector fixed connection between discharge valve and the gas vent of lower cover, the gas outlet department fixed mounting of last cover has the sample air outlet nozzle, cartridge filter upper portion inboard is provided with fixed subassembly, filter equipment passes through fixed subassembly demountable installation in the cartridge filter.
The following is further optimization or/and improvement of the technical scheme of the invention:
the fixing assembly comprises an inner ring platform, clamping blocks and a fixing ring, the inner ring platform is arranged in the filter cartridge along the circumference, at least two clamping blocks I are arranged in the filter cartridge above the inner ring platform at intervals along the circumference, a clamping ring groove is formed between the clamping blocks I which vertically correspond to each other and the inner ring platform, and the fixing ring is detachably mounted in the clamping ring groove.
The fixing ring comprises a fixing ring sleeve, wherein two clamping blocks which can be clamped in the clamping ring groove are fixed on the outer side of the fixing ring sleeve at intervals along the circumference, and the two clamping blocks are fixedly arranged in the clamping ring groove.
Above-mentioned filter equipment is for melt-blown fabric filter bag, and melt-blown fabric filter bag opening up, and melt-blown fabric filter bag upper portion outer edge sets up including the ring platform and through solid fixed ring demountable installation in the cartridge filter.
The upper barrel cover is provided with a pressure gauge mounting opening, the pressure gauge mounting opening of the upper barrel cover is provided with a vacuum pressure gauge, and the vacuum pressure gauge is in threaded connection with the pressure gauge mounting opening of the upper barrel cover.
A left fixing seat and a right fixing seat are respectively and fixedly mounted on the outer walls of the left side and the right side of the middle of the filter cartridge.
And a triangular fixed base is fixedly arranged on the outer side of the lower part of the filter cylinder.
The inner side of the lower part of the filter cylinder is connected with the outer side of the lower cylinder cover through threads, the inner side of the upper part of the filter cylinder is connected with the outer side of the upper cylinder cover through threads, the air inlet of the lower cylinder cover is connected with the sample air inlet nozzle through threads, and the air outlet of the upper cylinder cover is connected with the sample air outlet nozzle through threads.
The invention has short gas circuit delay and can improve the detection time of the non-hydrocarbon gas; and adopted filter equipment to filter sample gas, can obtain pure sample gas, simultaneously, filter equipment adopts the material that can the repeated washing used, has practiced thrift the cost, and it has solved current simple and easy purification cask sampling device existence effectively does not have filter equipment, causes the problem that the gas circuit delays length and sensor are fragile, has ensured that logging work develops smoothly under the air drilling condition, satisfies the production demand.
Drawings
FIG. 1 is a schematic sectional view of the preferred embodiment of the present invention.
Fig. 2 is a schematic top view of the fastening assembly of fig. 1.
Fig. 3 is a schematic top view of the retaining ring of fig. 1.
The codes in the figures are respectively: 1 is the cartridge filter, 2 is the lower cover, 3 is the sample suction nozzle, 4 is the air inlet, 5 is outer screwed joint, 6 is the gas vent, 7 is discharge valve, 8 is fixed subassembly, 9 is filter equipment, 10 is solid fixed ring, 11 is the upper cover, 12 is the sample discharge nozzle, 13 is the gas outlet, 14 is vacuum pressure gauge, 15 is the manometer installing port, 16 is right fixing base, 17 is left fixing base, 18 is unable adjustment base, 19 is the inner ring platform, 20 is fixture block one, 21 is the fixed ring cover, 22 is fixture block two.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
example 1: as shown in fig. 1, the air drilling non-hydrocarbon gas filter comprises a filter cartridge 1 and a filter device 9, a lower cartridge cover 2 is fixedly installed at the bottom of the filter cartridge 1, an upper cartridge cover 11 is fixedly installed at the top of the filter cartridge 1, an air inlet 4 and an air outlet 13 are respectively arranged on the lower cartridge cover 2 and the upper cartridge cover 11, a sample air inlet nozzle 3 is fixedly installed at the air inlet 4 of the lower cartridge cover 2, an air outlet 6 is arranged on the lower cartridge cover 2, an exhaust valve 7 is arranged at the air outlet 6 of the lower cartridge cover 2, the exhaust valve 7 is fixedly connected with the air outlet 6 of the lower cartridge cover 2 through an external thread joint 5, a sample air outlet nozzle 12 is fixedly installed at the air outlet 13 of the upper cartridge cover 11, a fixing component 8 is arranged on the inner side of the upper portion of the filter cartridge 1.
The invention has short gas circuit delay and can improve the detection time of the non-hydrocarbon gas; the pure sample gas can be obtained by filtering the sample gas by the filtering device 9, the sensor cannot be damaged when the pure sample gas is conveyed to the sensor for analysis and detection, meanwhile, the filtering device 9 is made of materials which can be repeatedly cleaned and used, the cost is saved, and compared with the existing simple purified water barrel sampling device, the simple purified water barrel sampling device is convenient to install, good in sealing performance and low in failure rate; it has solved the current simple and easy purification cask sampling device existence effectively and has not had filter equipment, causes the long and fragile problem of sensor of gas circuit time delay, has ensured that logging work develops smoothly under the air drilling condition, satisfies the production demand.
The invention is provided with the exhaust valve 7, and can discharge the impurities such as waste liquid, dust and the like precipitated at the bottom of the filter cylinder 1 at any time.
The air drilling non-hydrocarbon gas filter can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, the fixing assembly 8 includes an inner ring platform 19, a fixture block 20 and a fixing ring 10, the inner ring platform 19 is circumferentially disposed in the filter cartridge 1, at least two fixture blocks 20 are circumferentially disposed in the filter cartridge 1 above the inner ring platform 19 at intervals, a clamping ring groove is formed between the vertically corresponding fixture blocks 20 and the inner ring platform 19, and the fixing ring 10 is detachably mounted in the clamping ring groove.
The fixing assembly 8 of the present invention fixes the filter unit 9 in the filter cartridge 1.
As shown in fig. 1, 2 and 3, the fixing ring 10 includes a fixing ring sleeve 21, two locking blocks 22 capable of being locked in the locking ring groove are fixed at intervals along the circumference outside the fixing ring sleeve 21, and the two locking blocks 22 are fixedly installed in the locking ring groove.
As shown in fig. 1, the filter device 9 is a meltblown fabric filter bag, the opening of the meltblown fabric filter bag faces upward, and the outer edge of the upper portion of the meltblown fabric filter bag is arranged on the inner ring platform 19 and is detachably mounted in the filter cartridge 1 through the fixing ring 10.
The invention can adopt a melt-blown cloth filter bag made of fiber materials with the diameter of 1-5 mu m, has better filtering effect, can be repeatedly cleaned and used, and saves the cost.
The filter unit 9 may be a melt-blown filter bag or other commonly known filter unit 9.
As shown in the attached figure 1, a pressure gauge mounting port 15 is formed in the upper cylinder cover 11, a vacuum pressure gauge 14 is arranged at the pressure gauge mounting port 15 of the upper cylinder cover 11, and the vacuum pressure gauge 14 is in threaded connection with the pressure gauge mounting port 15 of the upper cylinder cover 11.
The vacuum pressure gauge 14 is arranged, so that the faults of blockage, leakage and the like of the collecting pipeline connected with the sample inlet nozzle 3 and the sample outlet nozzle 12 can be checked at any time, the maintenance is convenient, and the operation is rapid.
As shown in the attached figure 1, a left fixed seat 17 and a right fixed seat 16 are respectively and fixedly installed on the outer walls of the left side and the right side of the middle part of the filter cartridge 1.
As shown in fig. 1, a triangular fixing base 18 is fixedly installed on the outer side of the lower portion of the filter cartridge 1.
The invention can adjust the placing position at any time in the operation process and has great flexibility. According to the position of the working area, the invention can be fixed on the side wall through the left fixing seat 17 and the right fixing seat 16, and can also be placed on the ground through the fixing base 18, so that the invention can be operated by a single person.
As shown in fig. 1, the inner side of the lower part of the filter cartridge 1 is connected with the outer side of the lower cartridge cover 2 through a screw thread, the inner side of the upper part of the filter cartridge 1 is connected with the outer side of the upper cartridge cover 11 through a screw thread, the air inlet 4 of the lower cartridge cover 2 is connected with the sample air inlet nozzle 3 through a screw thread, and the air outlet 13 of the upper cartridge cover 11 is connected with the sample air outlet nozzle 12 through a screw thread.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
The use process of the best embodiment of the invention is as follows: sample gas conveyed by a sand discharge pipeline is collected through a sampling device, the collected sample gas enters the filter cartridge 1 from the air inlet 4 on the lower cartridge cover 2, pure sample gas is obtained after filtration through the filtering device 9, and the pure sample gas is conveyed to the sensor through the air outlet 13 on the upper cartridge cover 11 and then is analyzed and detected.

Claims (8)

1. The utility model provides an air bores non-hydrocarbon gas filter, a serial communication port includes cartridge filter and filter equipment, cartridge filter bottom fixed mounting has lower cover, cartridge filter top fixed mounting has last cover, be provided with air inlet and gas outlet respectively on lower cover and the last cover, the air inlet department fixed mounting of lower cover has the sample admission nozzle, be provided with the gas vent on the lower cover, the gas vent department of lower cover is provided with discharge valve, through outer screwed joint fixed connection between the gas vent of discharge valve and lower cover, the gas outlet department fixed mounting of upper cover has the sample to go out the air cock, cartridge filter upper portion inboard is provided with fixed subassembly, filter equipment passes through fixed subassembly demountable installation in the cartridge filter.
2. The air drilling non-hydrocarbon gas filter according to claim 1, wherein the fixing assembly comprises an inner ring platform, clamping blocks and a fixing ring, the inner ring platform is arranged in the filter cylinder along the circumference, at least two clamping blocks I are arranged in the filter cylinder above the inner ring platform along the circumference at intervals, a clamping ring groove is formed between the clamping blocks I corresponding to the upper part and the lower part and the inner ring platform, and the fixing ring is detachably arranged in the clamping ring groove; or/and the fixing ring comprises a fixing ring sleeve, and second clamping blocks which can be clamped in the clamping ring groove are fixed on the outer side of the fixing ring sleeve at intervals along the circumference, and the second clamping blocks are fixedly arranged in the clamping ring groove.
3. The air-drilling non-hydrocarbon gas filter of claim 1 or 2, wherein the filter means is a meltblown fabric filter bag having an upward opening, the upper outer edge of the meltblown fabric filter bag being disposed on the inner annular ledge and removably mounted in the filter cartridge by a retaining ring.
4. The air drilling non-hydrocarbon gas filter according to claim 1 or 2, wherein a pressure gauge mounting port is formed in the upper cylinder cover, a vacuum pressure gauge is arranged at the pressure gauge mounting port of the upper cylinder cover, and the vacuum pressure gauge is in threaded connection with the pressure gauge mounting port of the upper cylinder cover; or/and a left fixing seat and a right fixing seat are fixedly mounted on the outer walls of the left side and the right side of the middle part of the filter cartridge respectively.
5. The air drilling non-hydrocarbon gas filter according to claim 3, wherein the upper cylinder cover is provided with a pressure gauge mounting port, a vacuum pressure gauge is arranged at the pressure gauge mounting port of the upper cylinder cover, and the vacuum pressure gauge is in threaded connection with the pressure gauge mounting port of the upper cylinder cover; or/and a left fixing seat and a right fixing seat are fixedly mounted on the outer walls of the left side and the right side of the middle part of the filter cartridge respectively.
6. The air drilling non-hydrocarbon gas filter according to claim 1, 2 or 5, wherein a triangular fixing base is fixedly installed on the outer side of the lower portion of the filter cylinder; or/and the inner side of the lower part of the filter cartridge is in threaded connection with the outer side of the lower cylinder cover, the inner side of the upper part of the filter cartridge is in threaded connection with the outer side of the upper cylinder cover, the air inlet of the lower cylinder cover is in threaded connection with the sample air inlet nozzle, and the air outlet of the upper cylinder cover is in threaded connection with the sample air outlet nozzle.
7. The air drilling non-hydrocarbon gas filter according to claim 3, wherein a triangular fixing base is fixedly installed on the outer side of the lower portion of the filter cylinder; or/and the inner side of the lower part of the filter cartridge is in threaded connection with the outer side of the lower cylinder cover, the inner side of the upper part of the filter cartridge is in threaded connection with the outer side of the upper cylinder cover, the air inlet of the lower cylinder cover is in threaded connection with the sample air inlet nozzle, and the air outlet of the upper cylinder cover is in threaded connection with the sample air outlet nozzle.
8. The air drilling non-hydrocarbon gas filter according to claim 4, wherein a triangular fixing base is fixedly installed on the outer side of the lower portion of the filter cylinder; or/and the inner side of the lower part of the filter cartridge is in threaded connection with the outer side of the lower cylinder cover, the inner side of the upper part of the filter cartridge is in threaded connection with the outer side of the upper cylinder cover, the air inlet of the lower cylinder cover is in threaded connection with the sample air inlet nozzle, and the air outlet of the upper cylinder cover is in threaded connection with the sample air outlet nozzle.
CN202010641681.5A 2020-07-06 2020-07-06 Air drill non-hydrocarbon gas filtering device Pending CN111773830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010641681.5A CN111773830A (en) 2020-07-06 2020-07-06 Air drill non-hydrocarbon gas filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010641681.5A CN111773830A (en) 2020-07-06 2020-07-06 Air drill non-hydrocarbon gas filtering device

Publications (1)

Publication Number Publication Date
CN111773830A true CN111773830A (en) 2020-10-16

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Application Number Title Priority Date Filing Date
CN202010641681.5A Pending CN111773830A (en) 2020-07-06 2020-07-06 Air drill non-hydrocarbon gas filtering device

Country Status (1)

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CN (1) CN111773830A (en)

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CN204745893U (en) * 2015-05-08 2015-11-11 浙江欣奇汽配制造有限公司 Detachable car air cleaner
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CN107051017A (en) * 2017-05-18 2017-08-18 东莞市联洲知识产权运营管理有限公司 A kind of isolator air cleaning unit of manual teardown
CN107224791A (en) * 2016-12-30 2017-10-03 浙江大唐国际江山新城热电有限责任公司 A kind of natural gas system filter
CN108311435A (en) * 2018-02-01 2018-07-24 海宁依普卡进出口有限公司 A kind of clearing apparatus for Weaving device
CN109772041A (en) * 2019-02-21 2019-05-21 沈阳环境科学研究院 A kind of cloth bag fast disassembly type dedusting environment friendly equipment
CN109847466A (en) * 2018-11-27 2019-06-07 珠海市广源信科技有限公司 A kind of vacuum filter
CN209330188U (en) * 2019-03-06 2019-08-30 张笑健 A kind of rotation ring support
CN212700954U (en) * 2020-07-06 2021-03-16 中国石油天然气集团有限公司 Air drill non-hydrocarbon gas filtering device

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Publication number Priority date Publication date Assignee Title
JPS6121714A (en) * 1984-07-09 1986-01-30 Takeda Chem Ind Ltd Solid/gas phases separator for powder filter
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CN204745893U (en) * 2015-05-08 2015-11-11 浙江欣奇汽配制造有限公司 Detachable car air cleaner
CN107224791A (en) * 2016-12-30 2017-10-03 浙江大唐国际江山新城热电有限责任公司 A kind of natural gas system filter
CN106906877A (en) * 2017-03-24 2017-06-30 广州腾龙电子塑胶科技有限公司 Cartridge filter and filter
CN107051017A (en) * 2017-05-18 2017-08-18 东莞市联洲知识产权运营管理有限公司 A kind of isolator air cleaning unit of manual teardown
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CN109847466A (en) * 2018-11-27 2019-06-07 珠海市广源信科技有限公司 A kind of vacuum filter
CN109772041A (en) * 2019-02-21 2019-05-21 沈阳环境科学研究院 A kind of cloth bag fast disassembly type dedusting environment friendly equipment
CN209330188U (en) * 2019-03-06 2019-08-30 张笑健 A kind of rotation ring support
CN212700954U (en) * 2020-07-06 2021-03-16 中国石油天然气集团有限公司 Air drill non-hydrocarbon gas filtering device

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Application publication date: 20201016

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