CN103405970A - Stable natural gas filter - Google Patents
Stable natural gas filter Download PDFInfo
- Publication number
- CN103405970A CN103405970A CN2013103779145A CN201310377914A CN103405970A CN 103405970 A CN103405970 A CN 103405970A CN 2013103779145 A CN2013103779145 A CN 2013103779145A CN 201310377914 A CN201310377914 A CN 201310377914A CN 103405970 A CN103405970 A CN 103405970A
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- China
- Prior art keywords
- filter
- housing
- natural gas
- filter cylinder
- air inlet
- 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.)
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000003345 natural gas Substances 0.000 title claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000010865 sewage Substances 0.000 claims abstract description 16
- 210000004907 gland Anatomy 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 19
- 239000000428 dust Substances 0.000 abstract description 16
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a stable natural gas filter which comprises a housing and a gland, wherein the housing is connected with a gland flange; a gas inlet and a gas outlet are formed in the housing, and a sewage draining outlet is formed in the bottom of the housing; a filter cartridge is installed in the housing and is communicated with the gas outlet, and the gas inlet is communicated with the inner part of the housing; the stable natural gas filter also comprises a separation net arranged between the gas inlet and the filter cartridge. Compared with an existing filter, the stable natural gas filter has the advantages that the bottom of the lower side outside the filter cartridge is provided with a steel plate, and the gas inlet direction and the gas outlet direction of the filter are on a straight line; the directions of the gas inlet and the gas outlet of the filter are interchanged, so that impurities generated by dedusting can adhere to the outer side of the filter cartridge or settle on the steel plate of the bottom of the housing, thus the dust holding capacity of the filter is increased, and dust can be regularly drained through the sewage draining outlet so that the filter is stably operated.
Description
Technical field
The present invention relates to a kind of filter, specifically refer to the stable type natural gas filter.
Background technology
The normal stable type natural gas filter that uses in the transmission & distribution of city gas.Advance the natural gas of gas distribution station, because carry at a distance or other reason, always (natural gas produces erosion to the pipeline inwall with a small amount of micron order or submicron order impurity, upper level gas gathering station, purification plant or gas distribution station on natural gas separate, residual impurity after dedusting, purification) the normal even running of impact station internal pressure-regulating device, metering device, so at last one station to user's air feed, all must come gas to carry out purifying and dedusting to upper level, to guarantee tight gas supply.
At present, existing filter is the filter cylinder that natural gas first directly enters filter, after filter cylinder purifies, then from the space outflow filter between filter cylinder and filter housings.Impurity is done the inertia motion with the flow at high speed of gas, directly impacts filter cylinder, and over against the silk screen at gas feed position, this place's silk screen, owing to directly being subject to washing away of air-flow and impurity, is damaged at first.The silk screen of filter cylinder is no matter which partly damages, all will make filter reduce, even lose the function of filtration, dedusting, purification, the natural gas dedusting function is concentrated on to filter cylinder on the silk screen at Imported gas position. and impurity exists in cartridge filter all the time, cause filter area to reduce, gas can be done turbulent motion in filter cylinder, make the small dust sink-float can not sedimentation in filter cylinder, reduced filter effect and the life cycle of filter, increased maintenance workload.
Summary of the invention
The invention provides the stable type natural gas filter, easily damaged over against the filter cylinder at air inlet place and the problem that causes the filter cleaning function to reduce reaches the purpose that improves the filter job stability while solving natural gas filtering.
Purpose of the present invention reaches by the following technical programs:
The present invention includes housing and gland, housing is connected by flange with gland, described housing is provided with air inlet and gas outlet, housing bottom is provided with sewage draining exit, the inside of housing is equipped with filter cylinder, described filter cylinder is communicated with gas outlet, and air inlet is communicated with enclosure interior, also comprises the separation net be arranged between air inlet and filter cylinder.The top of housing is connected and fixed by welding and outside installing rack, and case top is connected by flange with gland, and quick release is installed when filter cylinder need to be safeguarded, simplifies the operation; The bottom of housing is provided with sewage draining exit, can not only play the effect of emptying pressure release, the solid particle or the liquid impurity that in filter cylinder, isolate can also be got rid of to convenient clean and maintenance to filter cylinder; The dust of the larger particles in the natural gas that air inlet passes through or impurity are done inertia motion with the natural gas flow at high speed, and when air-flow ran into barrier and detours, dust departed from airflow direction because of inertia and bump against the filter wire of filter online, and barred is in net; After the filtration of one-time surface formula, natural gas continues by a plurality of filtering holes on the multiple filtration silk screen, filtering holes has many bending channels, the number of plies is more, be that filter area is larger, the dust in natural gas constantly bumps with filtering silk screen, and very little granule dust is also done random Brownian movement, the kinetic energy of dust constantly reduces, until can not move, is stuck in and filters in silk screen; Finally by the natural gas filtered, passing through the gas outlet discharge filter;
The separation net be provided with between air inlet and filter cylinder, make to contain the not direct impact core cylinder silk screen of high velocity air of impurity, with separation net, remove the impurity of larger particles, these particles also easily come off at housing bottom, also can change airflow direction in addition, make natural gas reach more uniformly the deep layer of filtering silk screen, and separation net is detachable, can remove quickly or install; With existing filter, compare, bottom below filter cylinder of the present invention is outer is steel plate, filtering air inlet direction and gas outlet direction are point-blank, the direction of the air inlet of filter and gas outlet is exchanged, the impurity that can allow dedusting get off sticks to the filter cylinder outside or is deposited on the steel plate of housing bottom, the dust containing capacity of filter is increased, and can regularly by sewage draining exit, discharge, make its running stable.
Further, described filter cylinder top is provided with inclined plane, and inclined plane and horizontal plane are at 45 °, and described air inlet is over against inclined plane, and filter cylinder is communicated with enclosure interior by inclined plane.Filter cylinder adopts the design of upper end open, lower end closure, bottom at housing is provided with inclined plane, inclined plane is over against air inlet, natural gas directly enters filter cylinder from air inlet, filtration silk screen by multilayer carries out filtration treatment, thereby increased the contact area of natural gas and filter cylinder, be convenient to natural gas and enter into fast filter cylinder and filter.
Further, the bottom of described housing is hemispherical, and described sewage outfalls setting is in the minimum point of the bottom of described housing.Usually housing bottom is made as plane, easily causes the impurity filtered to be piled up in convenient the placement, is difficult to from sewage draining exit, getting rid of; The housing bottom of hemispherical design can make impurity under the effect of self gravitation fast from sewage draining exit, flowing out, the cleaning of convenient filter.
Further, also comprise one deck polyester fiber be arranged on filter cylinder.For avoiding or alleviate the wash number of filter element, can add in appearance one deck polyester fiber at filter cylinder, and periodic replacement.
Further, also comprise the differential pressure gauge that is arranged on surface of shell, the two ends of described differential pressure gauge are connected with air inlet, gas outlet respectively.Usually, filter can regularly clean, but, because uncertainty causes the breakage of filter core net, does not carry out in time dress watch and can cause the filter effect of natural gas greatly to reduce; Differential pressure gauge can be pointed out the change value of pressure of filter rear and front end in real time, for the filter suitable clean period of statistics provides scientific basis, plays cost-saving, the time, and the effect maintained easily, can save energy and reduce the cost effectively.
The present invention compared with prior art, have following advantage and a beneficial effect:
1, the present invention includes housing and gland, housing is connected by flange with gland, described housing is provided with air inlet and gas outlet, housing bottom is provided with sewage draining exit, the inside of housing is equipped with filter cylinder, described filter cylinder is communicated with gas outlet, and air inlet is communicated with enclosure interior, also comprises the separation net be arranged between air inlet and filter cylinder.With existing filter, compare, bottom below filter cylinder of the present invention is outer is steel plate, filtering air inlet direction and gas outlet direction are point-blank, the direction of the air inlet of filter and gas outlet is exchanged, the impurity that can allow dedusting get off sticks to the filter cylinder outside or is deposited on the steel plate of housing bottom, the dust containing capacity of filter is increased, and can regularly by sewage draining exit, discharge, make its running stable.
2, the present invention also comprises the differential pressure gauge that is arranged on surface of shell, and the two ends of described differential pressure gauge are connected with air inlet, gas outlet respectively; Differential pressure gauge can be pointed out the change value of pressure of filter rear and front end in real time, for the filter suitable clean period of statistics provides scientific basis, plays cost-saving, the time, and the effect maintained easily, can save energy and reduce the cost effectively.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein, the parts title that Reference numeral is corresponding is as follows:
1-gas outlet, 2-housing, 3-air inlet, 4-filter cylinder, 5-sewage draining exit, 6-separation net, 7-gland.
The specific embodiment
Embodiment 1
As shown in Figure 1, the present embodiment comprises housing 2 and gland 7, housing 2 is connected by flange with gland 7, described housing 2 is provided with air inlet 3 and gas outlet 1, housing 2 bottoms are provided with sewage draining exit 5, and the inside of housing 2 is equipped with filter cylinder 4, and described filter cylinder 4 is communicated with gas outlet 1, air inlet 3 and housing 2 internal communication, also comprise the separation net 6 be arranged between air inlet 3 and filter cylinder 4.The top of housing 2 is connected and fixed by welding and outside installing rack, and housing 2 tops are connected with gland 7 flanges, and quick release is installed when filter cylinder 4 need to be safeguarded, simplifies the operation; The bottom of housing 2 is provided with sewage draining exit 5, can not only play the effect of emptying pressure release, the solid particle or the liquid impurity that in filter cylinder 4, isolate can also be got rid of to convenient clean and maintenance to filter cylinder; The dust of the larger particles in the natural gas that air inlet 3 passes through or impurity are done inertia motion with the natural gas flow at high speed, and when air-flow ran into barrier and detours, dust departed from airflow direction because of inertia and bump against the filter wire of filter online, and barred is in net; After the filtration of one-time surface formula, natural gas continues by a plurality of filtering holes on the multiple filtration silk screen, filtering holes has many bending channels, the number of plies is more, be that filter area is larger, the dust in natural gas constantly bumps with filtering silk screen, and very little granule dust is also done random Brownian movement, the kinetic energy of dust constantly reduces, until can not move, is stuck in and filters in silk screen; Finally by the natural gas filtered, passing through gas outlet 1 discharge filter;
The separation net 6 be provided with between air inlet 3 and filter cylinder 4, make to contain the not direct impact core cylinder silk screen of high velocity air of impurity, with separation net 6, remove the impurity of larger particles, these particles also easily come off in housing 2 bottoms, also can change airflow direction in addition, make natural gas reach more uniformly the deep layer of filtering silk screen, and separation net 6 is detachable, can remove quickly or install; With existing filter, compare, bottom below filter cylinder 4 of the present invention is outer is steel plate, filtering air inlet 3 directions and gas outlet 1 direction are point-blank, the air inlet of filter 3 and the direction of gas outlet 1 are exchanged, the impurity that can allow dedusting get off sticks to filter cylinder 4 outsides or is deposited on the steel plate of housing 2 bottoms, the dust containing capacity of filter is increased, and can regularly by sewage draining exit 5, discharge, make its running stable.
Filter cylinder 4 tops are provided with inclined plane, and inclined plane and horizontal plane are at 45 °, and air inlet 1 is over against inclined plane, and filter cylinder 4 is by inclined plane and housing 2 internal communication.Filter cylinder 4 adopts the design of upper end open, lower end closure, bottom at housing is provided with inclined plane, inclined plane is over against air inlet 1, natural gas directly enters filter cylinder 4 from air inlet 1, filtration silk screen by multilayer carries out filtration treatment, thereby increased the contact area of natural gas and filter cylinder 4, be convenient to natural gas and enter into fast filter cylinder 4 and filter.
As shown in Figure 1, the present embodiment, on the basis of embodiment 1, also comprises the differential pressure gauge that is arranged on housing 2 surfaces, and the two ends of differential pressure gauge are connected with air inlet 1, gas outlet 3 respectively.Usually, filter can regularly clean, but, because uncertainty caused the breakage of filter core net, does not carry out in time dress watch and can cause the filter effect of natural gas greatly to reduce; Differential pressure gauge can be pointed out the change value of pressure of filter rear and front end in real time, for the filter suitable clean period of statistics provides scientific basis, plays cost-saving, the time, and the effect maintained easily, can save energy and reduce the cost effectively.
Claims (5)
1. stable type natural gas filter, comprise housing (2) and gland (7), housing (2) is connected with gland (7) flange, it is characterized in that: described housing (2) is provided with air inlet (3) and gas outlet (1), housing (2) bottom is provided with sewage draining exit (5), the inside of housing (2) is equipped with filter cylinder (4), described filter cylinder (4) is communicated with gas outlet (1), air inlet (3) and housing (2) internal communication, also comprise the separation net (6) be arranged between air inlet (3) and filter cylinder (4).
2. stable type natural gas filter according to claim 1, it is characterized in that: described filter cylinder (4) top is inclined plane, inclined plane and horizontal plane angle at 45 °, described air inlet (3) are over against inclined plane, and filter cylinder (4) is by inclined plane and housing (2) internal communication.
3. stable type natural gas filter according to claim 1, it is characterized in that: the bottom of described housing (2) is hemispherical, and described sewage draining exit (5) is arranged on the minimum point of the bottom of described housing (2).
4. stable type natural gas filter according to claim 1, is characterized in that: also comprise one deck polyester fiber be arranged on filter cylinder (4).
5. stable type natural gas filter according to claim 1 is characterized in that: also comprise the differential pressure gauge that is arranged on housing (2) surface, the two ends of described differential pressure gauge are connected with air inlet (3), gas outlet (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103779145A CN103405970A (en) | 2013-08-27 | 2013-08-27 | Stable natural gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103779145A CN103405970A (en) | 2013-08-27 | 2013-08-27 | Stable natural gas filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103405970A true CN103405970A (en) | 2013-11-27 |
Family
ID=49599039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103779145A Pending CN103405970A (en) | 2013-08-27 | 2013-08-27 | Stable natural gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103405970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499166A (en) * | 2019-01-02 | 2019-03-22 | 安徽瑞邦生物科技有限公司 | A kind of bleaching tower filter screen |
| CN112138489A (en) * | 2020-09-30 | 2020-12-29 | 蚌埠高科能源装备有限公司 | Easy dismouting gas filter device for compressor |
-
2013
- 2013-08-27 CN CN2013103779145A patent/CN103405970A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499166A (en) * | 2019-01-02 | 2019-03-22 | 安徽瑞邦生物科技有限公司 | A kind of bleaching tower filter screen |
| CN112138489A (en) * | 2020-09-30 | 2020-12-29 | 蚌埠高科能源装备有限公司 | Easy dismouting gas filter device for compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131127 |
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| WD01 | Invention patent application deemed withdrawn after publication |