CN111821776A - A buggy filters collection device for coal bed gas exploitation - Google Patents
A buggy filters collection device for coal bed gas exploitation Download PDFInfo
- Publication number
- CN111821776A CN111821776A CN202010665193.8A CN202010665193A CN111821776A CN 111821776 A CN111821776 A CN 111821776A CN 202010665193 A CN202010665193 A CN 202010665193A CN 111821776 A CN111821776 A CN 111821776A
- Authority
- CN
- China
- Prior art keywords
- filter bag
- electromagnet
- oscillating
- seat
- coal bed
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a pulverized coal filtering and collecting device for coal bed gas exploitation, which comprises an outer cylinder seat, wherein a detachable sealing end cover is arranged at the top end of the outer cylinder seat, a filter bag is arranged in the outer cylinder seat, the top end of the filter bag is communicated with a water outlet pipe arranged through the sealing end cover, a waterproof oscillator is arranged in the filter bag, the bottom end of the filter bag is communicated with a gas inlet pipe arranged through the outer cylinder seat, the sealing end cover is provided with a gas outlet pipe extending into the outer cylinder seat, and the gas outlet pipe is communicated with a cavity between the inner wall of the outer cylinder seat and the outer wall of the filter bag. The invention has simple structure and can adapt to the severe environment with more dust in the coal powder of the coal bed gas.
Description
Technical Field
The invention relates to the technical field of coal bed gas exploitation, in particular to a pulverized coal filtering and collecting device for coal bed gas exploitation.
Background
Coal dust is produced in the coal bed gas exploitation process, and for coal dust, the coal dust is produced by a mechanism that the geological characteristics of the coal bed determine that the coal dust is produced in the engineering disturbance process and the like. Coal bed geological features (such as coal rock components, inorganic mineral components, deterioration degree, coal body structure and the like) are basic conditions for coal dust generation, and engineering disturbance (such as fracturing, drilling, perforating, discharging and mining and the like) is an inducing factor for coal dust generation. In the drainage and depressurization process of coal bed gas development, the drainage and production degree is unreasonable, the drainage and production strength is high, the gas production and acceleration are fast, and the bottom-hole pressure fluctuation can also influence the generation of coal dust. In the process of exploiting the coal bed gas, the coal powder is required to be collected and treated, otherwise, the coal powder is easily deposited in the seepage channel and blocked, and once the blockage occurs, the coal powder deposited in the channel can be driven by larger hydrodynamic force to dredge the seepage channel, and the phenomena of pump blockage and the like are easily caused to influence the exploitation efficiency and exploitation performance of the coal bed gas.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a coal powder filtering and collecting device for coal bed gas exploitation.
The purpose of the invention is realized by the following technical scheme.
The pulverized coal filtering and collecting device for coal bed gas exploitation comprises an outer cylinder seat, a detachable sealing end cover is arranged at the top end of the outer cylinder seat, a filter bag is arranged inside the outer cylinder seat, the top end of the filter bag is communicated with a water outlet pipe arranged through the sealing end cover, a waterproof oscillator is arranged inside the filter bag, the bottom end of the filter bag is communicated with a gas inlet pipe arranged through the outer cylinder seat, the sealing end cover is provided with a gas outlet pipe extending into the outer cylinder seat, and the gas outlet pipe is communicated with a cavity between the inner wall of the outer cylinder seat and the outer wall of the filter bag.
The lower surface of the sealing end cover is provided with a connecting seat, each connecting seat lower end is provided with a corner seat which can be detachably connected, the filter bag is fixedly connected to the lower end of the corner seat, and a pressure sensor which is located inside the filter bag is arranged on the inner side of the corner seat.
And a water outlet control valve is arranged at the joint of the upper end of the filter bag and the water outlet pipe.
The lower end of the filter bag is connected with the connection part of the air inlet pipe through an elastic corrugated pipe.
And the air inlet pipe is provided with a control valve.
The waterproof oscillator comprises an oscillating ball assembly and an oscillating rod, wherein the oscillating ball assembly comprises an outer elastic waterproof ball shell, an inner ball shell seat, an outer oscillator electromagnet, an inner radial electromagnet I and an inner radial electromagnet II; the inner spherical shell seat is concentrically arranged inside the outer elastic waterproof spherical shell, the inner wall of the inner spherical shell seat is provided with outer oscillating electromagnets which are spaced from each other, each outer oscillating electromagnet is connected with an oscillating rod, one end of each oscillating rod is connected with the corresponding outer oscillating electromagnet, and the other end of each oscillating rod extends out of the inner spherical shell seat and the outer elastic waterproof spherical shell along the radial direction to be connected to the corner seat or the filter bag; the center of the inner spherical shell seat is provided with a first inner radial electromagnet and a second inner radial electromagnet which extend along the radial direction, the extending directions of the first inner radial electromagnet and the second inner radial electromagnet are perpendicular to each other, the outer oscillating electromagnet and the first inner radial electromagnet or the second inner radial electromagnet are arranged oppositely, the magnetic pole directions of the first inner radial electromagnet and the second inner radial electromagnet are kept unchanged, each magnetic pole direction of the outer oscillating electromagnet is variable, and oscillation of the oscillating ball assembly is realized by changing the magnetic pole direction of the outer oscillating electromagnet.
Each oscillating rod is provided with a magnetostrictive rod which is arranged in a cavity between the outer elastic waterproof spherical shell and the inner spherical shell seat, the magnetostrictive rod is arranged in a fine-adjustable telescopic mode, and the oscillation amplitude of the oscillating rod is adjusted by adjusting the telescopic of the magnetostrictive rod.
The oscillating rod sets up to six, and two liang be a set, and each set sets up along same axis, and each set all extends along the radial direction of oscillating ball subassembly, and the axis of these three sets of mutually perpendicular arranges.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) the mode of the filter bag of the invention realizes the filtration and collection of the coal dust in the coal bed gas, prevents the coal dust on the filter bag from blocking the ventilation filtration of the filter bag in the collection process, and can ensure the filtration effect and the passing performance of the coal bed gas by arranging the oscillating ball component, ensure the coal bed gas to smoothly pass through the filter bag and prevent the coal dust from blocking the coal bed gas.
(2) The oscillation amplitude of the oscillation ball component can be adjusted, so that the oscillation amplitude can be adjusted according to the smoothness of coal bed gas passing through the filter bag by the coal powder, the filtering effect of the coal powder is improved, and meanwhile, the coal powder on the filter bag is prevented from being dispersed into the coal bed gas due to overlarge oscillation, and the filtering strength is increased.
(3) The invention can well clean the filter bag, adopts cleaning solution to clean, and is simple and convenient.
(4) The vibration of the invention adopts an electromagnetic mode, has simple structure and can adapt to the severe environment with more dust in the coal powder of the coal bed gas.
Drawings
FIG. 1 is a schematic overall structure diagram of a pulverized coal filtering and collecting device for coal bed methane mining according to the present invention;
FIG. 2 is a schematic view of the internal structure of the oscillating ball assembly of the present invention;
fig. 3 is a schematic structural view of an external appearance of the oscillating ball assembly of the present invention.
Reference numerals: the device comprises an outer cylinder seat 1, a sealing end cover 2, a filter bag 3, a pressure sensor 4, an angle seat 5, an air outlet pipe 6, an air outlet pipe 7, a connecting seat 8, a waterproof oscillator 9, an oscillating rod 10, an elastic corrugated pipe 11, a control valve 12, an air inlet pipe 13, an outer elastic waterproof spherical shell 14, an inner spherical shell seat 15, an inner radial electromagnet I16, an inner radial electromagnet II 17, an outer oscillating electromagnet 18 and a magnetostrictive rod 19.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the pulverized coal filtering and collecting device for coal bed methane mining of the present invention comprises an outer cylinder base 1, wherein a detachable sealing end cover 2 is arranged at the top end of the outer cylinder base 1, and a filter bag 3 is arranged inside the outer cylinder base 1. The filter bag 3 top of crossing is connected with the outlet pipe 7 that passes the end cover 2 and set up, outlet pipe 7 and washing liquid collecting tank intercommunication, the upper end of crossing the filter bag 3 still is provided with out water control valve with the junction of outlet pipe 7. The bottom end of the filter bag 3 is communicated with an air inlet pipe 13, the air inlet pipe 13 extends out of the lower end of the outer barrel base 1, and the lower end of the filter bag 3 is connected with the connection part of the air inlet pipe 13 through an elastic corrugated pipe 11. The air inlet pipe 13 is provided with a control valve 12, and when coal dust on the filter bag 3 is cleaned, the control valve 12 is closed.
The sealing end cover 2 is provided with an air outlet pipe 6 extending into the outer cylinder seat 1, the number of the air outlet pipes 6 is at least one, one port of each air outlet pipe 6 is communicated with a cavity formed between the inner wall of the outer cylinder seat 1 and the outer wall of the filter bag 3, and the other port of each air outlet pipe can be communicated with a cleaning liquid pump. 2 fixed surface of end cover is provided with connecting seat 8, every 8 lower extremes of connecting seat are provided with the corner seat 5 of dismantling the connection, cross 3 fixed connection at the 5 lower extremes of corner seat of filter bag, 5 inboards of corner seat are provided with and are located the pressure sensor 4 of crossing 3 insides of filter bag, and pressure sensor 4 sets up one at least, when pressure sensor 4 exceeded and set for the threshold value, then show that needs clear up the buggy on the filter bag 3, just pressure sensor 4's pressure value is big more, then waterproof oscillator 9's oscillation amplitude is big more.
The inside waterproof oscillator 9 that is provided with of filter bag 3, waterproof oscillator 9 can realize the oscillation action to filter bag 3, just the oscillation amplitude of waterproof oscillator 9 is adjustable setting. The waterproof oscillator 9 comprises an oscillating ball assembly and a plurality of oscillating rods 10, wherein the oscillating rods 10 are preferably provided in six groups, each group is provided along the same axis, each group extends along the radial direction of the oscillating ball assembly, and the axes of the three groups are arranged perpendicular to each other. And one end of the oscillating bar 10 is connected to the oscillating ball assembly along the radial direction of the oscillating ball assembly, and the other end of the oscillating bar 10 is connected to the corner seat 5 or the filter bag 3.
The oscillating ball component comprises an outer elastic waterproof ball shell 14, an inner ball shell seat 15, an outer oscillator electromagnet 18, an inner radial electromagnet I16 and an inner radial electromagnet II 17. The inner spherical shell seat 15 is concentrically arranged inside the outer elastic waterproof spherical shell 14, the inner wall of the inner spherical shell seat 15 is provided with a plurality of outer oscillating electromagnets 18 which are spaced apart from each other, each outer oscillating electromagnet 18 is connected with one oscillating rod 10, each oscillating rod 10 is connected with the respective outer oscillating electromagnet 18 in a one-to-one correspondence manner, one end of each oscillating rod 10 is connected with the corresponding outer oscillating electromagnet 18, and the other end of each oscillating rod extends out of the inner spherical shell seat 15 and the outer elastic waterproof spherical shell 14 along the radial direction to be connected to the corner seat 5 or the filter bag 3. The center of the inner spherical shell seat 15 is provided with a first inner radial electromagnet 16 and a second inner radial electromagnet 17 which extend along the radial direction, the extending directions of the first inner radial electromagnet 16 and the second inner radial electromagnet 17 are mutually vertical, the outer oscillating electromagnet 18 is arranged opposite to the first inner radial electromagnet 16 or the second inner radial electromagnet 17, the magnetic pole directions of the first inner radial electromagnet 16 and the second inner radial electromagnet 17 are kept unchanged, the magnetic pole direction of each outer oscillating electromagnet 18 is variably set, and the oscillation of the oscillating ball assembly is realized by changing the magnetic pole direction of the outer oscillating electromagnet 18.
In order to adjust the oscillation amplitude conveniently, each oscillation rod 10 is provided with a magnetostrictive rod 19 which is positioned in a cavity between the outer elastic waterproof spherical shell 14 and the inner spherical shell seat 15, the magnetostrictive rod 19 is arranged in a finely adjustable manner, and the oscillation amplitude of the oscillation rod 10 is adjusted by adjusting the expansion and contraction of the magnetostrictive rod 19.
While the present invention has been described in terms of its functions and operations with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise functions and operations described above, and that the above-described embodiments are illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a buggy filters collection device for coal bed gas exploitation, includes outer cylinder base (1), its characterized in that, outer cylinder base (1) top is provided with detachable end cover (2), outer cylinder base (1) inside is provided with crosses filter bag (3), it has outlet pipe (7) that pass end cover (2) and set up to cross filter bag (3) top intercommunication, cross inside waterproof oscillator (9) that are provided with of filter bag (3), it has intake pipe (13) that pass outer cylinder base (1) and set up to cross filter bag (3) bottom intercommunication, end cover (2) are provided with and stretch into outer cylinder base (1) inside outlet duct (6), just outlet duct (6) and outer cylinder base (1) inner wall and cross the cavity intercommunication between the filter bag (3) outer wall.
2. The pulverized coal filtering and collecting device for coal bed methane mining according to claim 1, wherein the lower surface of the sealing end cover (2) is provided with connecting seats (8), the lower end of each connecting seat (8) is provided with a corner seat (5) which can be detachably connected, the filter bag (3) is fixedly connected to the lower end of the corner seat (5), and the inner side of the corner seat (5) is provided with a pressure sensor (4) which is positioned inside the filter bag (3).
3. The pulverized coal filtering and collecting device for coal bed methane mining according to claim 1, wherein a water outlet control valve is arranged at the connection position of the upper end of the filter bag (3) and the water outlet pipe (7).
4. The pulverized coal filtering and collecting device for coal bed methane mining according to claim 1, wherein the connection part of the lower end of the filter bag (3) and the air inlet pipe (13) is connected together by an elastic corrugated pipe (11).
5. The pulverized coal filtering and collecting device for coal bed methane mining according to claim 1, characterized in that the air inlet pipe (13) is provided with a control valve (12).
6. The pulverized coal filtering and collecting device for coal bed methane exploitation according to claim 1, wherein the waterproof oscillator (9) comprises an oscillating ball assembly and an oscillating rod (10), and the oscillating ball assembly comprises an outer elastic waterproof ball shell (14), an inner ball shell seat (15), an outer oscillator electromagnet (18), an inner radial electromagnet I (16) and an inner radial electromagnet II (17); the inner spherical shell seat (15) is concentrically arranged inside the outer elastic waterproof spherical shell (14), outer oscillating electromagnets (18) which are spaced from each other are arranged on the inner wall of the inner spherical shell seat (15), each outer oscillating electromagnet (18) is connected with one oscillating rod (10), one end of each oscillating rod (10) is connected with the corresponding outer oscillating electromagnet (18), and the other end of each oscillating rod extends out of the inner spherical shell seat (15) along the radial direction and the outer elastic waterproof spherical shell (14) is connected to the corner seat (5) or the filter bag (3); the vibration ball component is characterized in that a first inner radial electromagnet (16) and a second inner radial electromagnet (17) which extend along the radial direction are arranged at the center of the inner spherical shell seat (15), the extending directions of the first inner radial electromagnet (16) and the second inner radial electromagnet (17) are perpendicular to each other, the outer vibration electromagnet (18) and the first inner radial electromagnet (16) or the second inner radial electromagnet (17) are arranged oppositely, the magnetic pole directions of the first inner radial electromagnet (16) and the second inner radial electromagnet (17) are kept unchanged, the magnetic pole direction of the outer vibration electromagnet (18) is variable, and the vibration ball component is vibrated by changing the magnetic pole direction of the outer vibration electromagnet (18).
7. The pulverized coal filtering and collecting device for coal bed methane exploitation according to claim 6, wherein each oscillating rod (10) is provided with a magnetostrictive rod (19) located inside a cavity between the outer elastic waterproof spherical shell (14) and the inner spherical shell seat (15), the magnetostrictive rod (19) is arranged in a finely adjustable manner, and the adjustment of the oscillation amplitude of the oscillating rod (10) is realized by adjusting the expansion and contraction of the magnetostrictive rod (19).
8. The pulverized coal filtering and collecting device for coal bed methane mining according to claim 6, wherein the oscillating rods (10) are provided in six groups, two by two, each group being provided along the same axis, each group extending in a radial direction of the oscillating ball assembly, and the axes of the three groups being arranged perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665193.8A CN111821776A (en) | 2020-07-10 | 2020-07-10 | A buggy filters collection device for coal bed gas exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665193.8A CN111821776A (en) | 2020-07-10 | 2020-07-10 | A buggy filters collection device for coal bed gas exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111821776A true CN111821776A (en) | 2020-10-27 |
Family
ID=72900600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010665193.8A Pending CN111821776A (en) | 2020-07-10 | 2020-07-10 | A buggy filters collection device for coal bed gas exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111821776A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207169349U (en) * | 2017-08-29 | 2018-04-03 | 冉磊 | A kind of defeated filter of coal bed gas collection |
| CN208049658U (en) * | 2018-03-07 | 2018-11-06 | 文佳 | A kind of filter device used for coal-bed gas exploitation |
| CN110681224A (en) * | 2019-11-08 | 2020-01-14 | 河南理工大学 | A buggy filters collection device for coal bed gas exploitation |
| CN110813844A (en) * | 2019-11-19 | 2020-02-21 | 山东职业学院 | Multifunctional dust removal device for electrical automation equipment |
| CN111155968A (en) * | 2020-01-22 | 2020-05-15 | 中海油能源发展股份有限公司 | Self-oscillation pulverized coal filtering system used in coal bed gas exploitation process |
-
2020
- 2020-07-10 CN CN202010665193.8A patent/CN111821776A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207169349U (en) * | 2017-08-29 | 2018-04-03 | 冉磊 | A kind of defeated filter of coal bed gas collection |
| CN208049658U (en) * | 2018-03-07 | 2018-11-06 | 文佳 | A kind of filter device used for coal-bed gas exploitation |
| CN110681224A (en) * | 2019-11-08 | 2020-01-14 | 河南理工大学 | A buggy filters collection device for coal bed gas exploitation |
| CN110813844A (en) * | 2019-11-19 | 2020-02-21 | 山东职业学院 | Multifunctional dust removal device for electrical automation equipment |
| CN111155968A (en) * | 2020-01-22 | 2020-05-15 | 中海油能源发展股份有限公司 | Self-oscillation pulverized coal filtering system used in coal bed gas exploitation process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110681224B (en) | A buggy filters collection device for coal bed gas exploitation | |
| CN102373908B (en) | Underground ultrasonic yield-increasing pumping device for coalseam gas | |
| CN208194914U (en) | A kind of construction sandstone screening plant | |
| CN105879491A (en) | Sewage purification treatment equipment for ore production | |
| CN204891359U (en) | Air supporting vibration filter structure of antipollution | |
| CN201295572Y (en) | Tapering shape matrix bag type air filter and the bag type air filtering box | |
| CN111821776A (en) | A buggy filters collection device for coal bed gas exploitation | |
| CN208660633U (en) | A kind of factory's bag filter | |
| CN201940117U (en) | Whirling liquid pollutant removal device | |
| CN207121077U (en) | A kind of novel vertical bulk cement storage tank | |
| CN206846014U (en) | A kind of pressure-reducing valve with filter effect | |
| CN215052676U (en) | Water conservancy ecological wall | |
| CN212222894U (en) | Sand removing device for shale gas field gathering and transportation | |
| CN207421407U (en) | A kind of swing type three-port check damper | |
| CN201529422U (en) | Liquid centrifugal filter | |
| CN111501911A (en) | Self-filtering stainless steel water tank | |
| CN209639929U (en) | A kind of solid phase particles doffer for liquid-solid two phase flow experiment | |
| CN206138886U (en) | Bag type dust collector air flow baffle | |
| CN206828169U (en) | A kind of parabolic multi-stage PCE pond | |
| CN207245920U (en) | The resonant wave energy utilizing apparatus of offshore | |
| CN202942754U (en) | Vibrating and striking deduster with flow guiding structure | |
| CN110359944A (en) | A kind of Safety of Coal Mine Production dust-extraction unit and its application method | |
| CN216986589U (en) | A filter equipment for preparation of coal slurry additive | |
| CN206535752U (en) | A kind of suction specific-gravity stoner | |
| CN214972152U (en) | Filter screen for front filter |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201027 |