CN110523164A - The gas-filtering device of suction-type sewer scavenger - Google Patents
The gas-filtering device of suction-type sewer scavenger Download PDFInfo
- Publication number
- CN110523164A CN110523164A CN201910913831.0A CN201910913831A CN110523164A CN 110523164 A CN110523164 A CN 110523164A CN 201910913831 A CN201910913831 A CN 201910913831A CN 110523164 A CN110523164 A CN 110523164A
- Authority
- CN
- China
- Prior art keywords
- cartridge filter
- filter
- air inlet
- inlet pipe
- plate
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 43
- 239000002516 radical scavenger Substances 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 230000000505 pernicious effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- -1 defeated excrement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of gas-filtering devices of suction-type sewer scavenger, it is concentric in cartridge filter to be fixed with air inlet pipe, the bottom end closure of air inlet pipe, the side wall of air inlet pipe, multiple venthole A are equipped with positioned at bottom position, between sealing plate in cartridge filter, multiple matched spiral plates are equipped between air inlet pipe and cartridge filter, helical intake is formed between two neighboring spiral plate, venthole A will be connected in air inlet pipe from different helical intakes, the place of being correspondingly connected with of helical intake and the sealing plate for being located at cartridge filter internal upper part is respectively equipped with venthole B with cartridge filter, the side wall of cartridge filter, connection is equipped with escape pipe between the top of the sealing plate of cartridge filter internal upper part, multiple filter plates are fixed in cartridge filter, the bottom of cartridge filter is communicated with sewage pipe.From the above it is found that the gas-filtering device of suction-type sewer scavenger of the invention, exhaust gas are filtered for multiple times by the filter plate in helical intake, to play effective filtering to exhaust gas, guarantees that the exhaust gas in last escape pipe does not have pernicious gas, protect environment.
Description
Technical field
The present invention relates to the technical fields of the gas-filtering device of suction-type sewer scavenger, and in particular to a kind of gas filtration of suction-type sewer scavenger
Device.
Background technique
Suction-type sewer scavenger (Suction sewage truck) suction-type sewer scavenger is collection, transfer cleaning transport sludge, sewage, avoids two
The Novel environmental-sanitation vehicle of secondary pollution, suction-type sewer scavenger can self-suction discharge, operating rate is fast, and capacity is big, convenient transportation, be suitable for collect fortune
The liquid substances such as defeated excrement, mud, crude oil.The suction-type sewer scavenger suction-type sewer scavenger vacuum pump leading using domestic technique, suction is big, suction
Far, particularly suitable for the suction, shipment and disposing of the sediment in sewer, sewer mud, mud, stone can especially be inhaled
The larger objects such as son, brick.Suction-type sewer scavenger be mainly used for clean city sewer, the deposit of pipeline, the dredging of dead angle mud ditch,
It can be used for cleaning industrial Drainage pipe, wall surface etc., and can use as watering, Yun Shuihechong highway, can be used for putting out a fire when urgent.
Current suction-type sewer scavenger is in order to improve the capacity of suction-type sewer scavenger, and there are two types of approach, and a kind of is exactly the tank body for increasing suction-type sewer scavenger
Volume.But this approach, due to being unable to ultra-wide superelevation by the relevant limitation of vehicle, so increasing limited.Another way
Diameter is to increase dirty material processing system directly on suction-type sewer scavenger, and blowdown vehicle is another driving towards after carrying out the soil pick-up processing of certain
In the way that place needs soil pick-up to handle, dirt material is handled, soiling solution dirt material is separated by solid-liquid separation, then carries out solid-state dirt material
Dry and compression processing, soiling solution are also handled, treated soiling solution can at the soil pick-up at next place direct emission.It inhales in this way
Dirty material on dirty vehicle is just able to maintain volume minimum, so that suction-type sewer scavenger is enable to carry out soil pick-up processing to more places, without
Because removing otherwise soil pick-up again after being sailed repeatedly because of the problem of capacity to the dirty material of dirt material processing center discharge, suction-type sewer scavenger is improved
Service efficiency.
But second of approach be during processing dirty material, can generate some exhaust gas, in exhaust gas can containing harmful substance,
Solid particulate matter etc. can also be mingled with large quantity of moisture, be unable to direct emission, it is necessary to can just be emitted into atmosphere after treatment；And
General exhaust-gas treatment needs biggish space, but since the vehicle size of suction-type sewer scavenger limits, provides without enough spaces
Emission-control equipment, which also limits the practical utilizations and development of second of approach.
Summary of the invention
It is an object of the invention to: overcome the deficiencies of the prior art and provide a kind of gas-filtering device of suction-type sewer scavenger, exhaust gas
It is filtered for multiple times by the filter plate in helical intake, so that effective filtering is played to exhaust gas, to can also effectively reduce
The volume of exhaust treatment system guarantees that the exhaust gas in last escape pipe does not have pernicious gas, protects environment, be conducive in suction-type sewer scavenger
On to dirt material handle；Increased by the diameter of air inlet pipe along sequence diameter from top to bottom, also makes cutting for helical intake
Face area is gradually increased along sequence from the bottom to top, thus in exhaust gas in cartridge filter in entire flow process, velocity of liquid assets
It constantly reduces, air pressure constantly reduces, to enable exhaust gas in helical intake by more and more and mistake when filter plate
Filter plate comes into full contact with；By the uncovered structure of filter plate bottom, the moisture and dirty material being not only convenient in filter plate are in gravity
Under along filtering medium layer drop in the conical surface of cartridge filter bottom and sewage pipe in, also and be also convenient for the filtering in filter plate
Dielectric layer is replaced；The conical surface is sealed fixation by screw thread and sealing ring and cartridge filter, guarantees the same of the sealing of cartridge filter
When, it is also convenient for the dismounting of the conical surface and cartridge filter, and then replaced convenient for the filtering medium layer in filter plate.
The technical solution used in the present invention is:
The top and bottom of the gas-filtering device of suction-type sewer scavenger, including cartridge filter, the cartridge filter are closed, same in the cartridge filter
Axle center is fixed with air inlet pipe, stretches out cartridge filter, the mistake upwards after the top of cartridge filter is upward through at the top of the air inlet pipe
At top and air inlet pipe bottom position in filter cylinder, horizontal sealing plate is respectively fixed between air inlet pipe and cartridge filter,
The bottom end closure of the air inlet pipe, and the side wall of air inlet pipe, be located at bottom position be equipped with multiple venthole A, the ventilation
Hole A is uniformly distributed centered on air inlet pipe axle center, is set between the sealing plate in the cartridge filter, between air inlet pipe and cartridge filter
There are multiple matched spiral plates, the spiral plate is uniformly distributed centered on the axle center of air inlet pipe, and two neighboring spiral plate
Between form helical intake, the venthole A will be respectively communicated in air inlet pipe from different helical intakes, the helical intake
It is respectively equipped with venthole B with the place of being correspondingly connected with for the sealing plate for being located at cartridge filter internal upper part, the side wall of the cartridge filter is located at filtering
Connection is equipped with escape pipe between the top of the sealing plate of cylinder internal upper part, and the sealing plate lower section of the cartridge filter internal upper part is located at air inlet pipe
Multiple filter plates are fixed between cartridge filter, the filter plate is described downward through the bottom for being extended to the over filter cylinder after each spiral plate
It is cored slab in filter plate, the filter opening of the filter plate is connected to the inner cavity of filter plate, is fixed in the cavity of the filter plate
The bottom centre of filtering medium layer, the cartridge filter is also communicated with sewage pipe.
It is that each helical intake being connected to each venthole A is successively adjacent and adjacent that the present invention, which is further improved scheme,
Two helical intakes share a spiral plate.
The further improvement project of the present invention is axle center of the place plane of the filter plate Jing Guo air inlet pipe.
The further improvement project of the present invention is that the bottom of the filter plate extends downward into the bottom of cartridge filter.
The further improvement project of the present invention is that the filter plate is at the position between two neighboring venthole A.
The further improvement project of the present invention is that two neighboring venthole A is with the filter plate between the two neighboring venthole A
The plane at place is symmetric for the plane of symmetry.
The further improvement project of the present invention is that the air inlet pipe is located at the diameter of cartridge filter inner part along from top to bottom
Sequence gradually increase.
The further improvement project of the present invention is that the bottom of the cartridge filter is to tilt down along the sequence of ecto-entad
The conical surface.
The further improvement project of the present invention is that the conical surface can be close with cartridge filter in such a way that screw thread encrypts seal
Sealing is fixed.
The further improvement project of the present invention is that the bottom of the filter plate is opening, and is connected in the cavity of filter plate.
The beneficial effects of the present invention are:
The first, the gas-filtering device of suction-type sewer scavenger of the invention, exhaust gas are filtered for multiple times by the filter plate in helical intake,
To play effective filtering to exhaust gas, so that the volume of exhaust treatment system can also effectively be reduced, guarantee in last escape pipe
Exhaust gas there is no a pernicious gas, protect environment, be conducive to handle dirt material on suction-type sewer scavenger.
The second, the gas-filtering device of suction-type sewer scavenger of the invention, by the diameter of air inlet pipe along sequence from top to bottom
Diameter increases, and is gradually increased the area of section of helical intake along sequence from the bottom to top, thus in exhaust gas in cartridge filter
In interior entire flow process, velocity of liquid assets is constantly reduced, and air pressure constantly reduces, to make exhaust gas in helical intake by filtering
It more and more can be come into full contact with filter plate when plate.
The gas-filtering device of third, suction-type sewer scavenger of the invention was not only convenient for by the uncovered structure of filter plate bottom
Moisture in filter plate drops in the conical surface of cartridge filter bottom along filtering medium layer under the effect of gravity with dirty material and sewage pipe
It is interior, and be also convenient for the filtering medium layer in filter plate and replaced.
4th, the gas-filtering device of suction-type sewer scavenger of the invention, the conical surface are carried out with sealing ring with cartridge filter close by screw thread
Sealing is fixed, while guaranteeing the sealing of cartridge filter, is also convenient for the dismounting of the conical surface and cartridge filter, and then convenient for the filtering in filter plate
Dielectric layer is replaced.
Detailed description of the invention:
Fig. 1 is the main view schematic cross-sectional view of the application.
Fig. 2 is the vertical view schematic cross-sectional view of the application.
Specific embodiment:
In conjunction with Fig. 1 ~ Fig. 2 it is found that the present invention includes cartridge filter 1, the top and bottom of the cartridge filter 1 are closed, the cartridge filter 1
It is interior it is concentric be fixed with air inlet pipe 2, cartridge filter is stretched out after being upward through the top of cartridge filter 1 in the top of the air inlet pipe 2 upwards
1, it is respectively fixed at 2 bottom position of top and air inlet pipe in the cartridge filter 1, between air inlet pipe 2 and cartridge filter 1
Horizontal sealing plate 7, the bottom end closure of the air inlet pipe 2, and the side wall of air inlet pipe 2, be located at bottom position be equipped with it is multiple logical
Stomata A4, the venthole A4 are uniformly distributed centered on 2 axle center of air inlet pipe, between the sealing plate 7 in the cartridge filter 1, are located at
Multiple matched spiral plates 5 are equipped between air inlet pipe 2 and cartridge filter 1, the spiral plate 5 is equal centered on the axle center of air inlet pipe 2
Even distribution, and between two neighboring spiral plate 5 formed helical intake 6, the venthole A4 by air inlet pipe 2 from it is different
Helical intake 6 is respectively communicated with, and the place of being correspondingly connected with of the helical intake 6 and the sealing plate 7 for being located at 1 internal upper part of cartridge filter is respectively equipped with
Venthole B8, the side wall of the cartridge filter 1, connection is equipped with escape pipe 3 between the top of the sealing plate 7 of 1 internal upper part of cartridge filter,
7 lower section of sealing plate of 1 internal upper part of cartridge filter is fixed with multiple filter plates 9, the filter plate between air inlet pipe 2 and cartridge filter 1
9 downward through the bottom for being extended to the over filter cylinder 1 after each spiral plate 5, and the interior filter plate 9 is cored slab, the filter of the filter plate 9
Hole 10 is connected to the inner cavity of filter plate 9, and being fixed with filtering medium layer in the cavity of the filter plate 9, (Figure of description does not show
Out), the bottom centre of the cartridge filter 1 is also communicated with sewage pipe 11；Each helical intake 6 being connected to each venthole A4 successively phase
Neighbour, and two adjacent helical intakes 6 share a spiral plate 5；Axis of the place plane of the filter plate 9 Jing Guo air inlet pipe 2
The heart；The bottom of the filter plate 9 extends downward into the bottom of cartridge filter 1；The filter plate 9 is between two neighboring venthole A4
At position；Two neighboring venthole A4 is in pair by the plane of symmetry of the plane where the filter plate 9 between the two neighboring venthole A4
Claim distribution；The diameter that the air inlet pipe 2 is located at 1 inner part of cartridge filter is gradually increased along sequence from top to bottom；The filtering
The bottom of cylinder 1 is the conical surface tilted down along the sequence of ecto-entad；The conical surface can encrypt the side of seal by screw thread
Formula and the sealing of cartridge filter 1 are fixed；The bottom of the filter plate 9 is open (Figure of description is not shown), and in the sky of filter plate 9
Chamber connection, the bottom of the filtering medium layer offsets and contacts with the conical surface.
When used in this application, the valve on blow-off line 11 is closed, then 2 air inlet of air inlet pipe is useless in suction-type sewer scavenger
Gas is entered after cartridge filter 1 by air inlet pipe 2 to flow downward, and is then entered respectively by venthole A4 set by air inlet pipe 2 each
It in self-corresponding helical intake 6, and is flowed up along respective helical intake 6, when the exhaust gas in helical intake 6 is by filtering
When plate 9, pass through from the filter opening 10 of filter plate 9, and exhaust gas is by just passing through a filter medium when filter plate 9
Layer is filtered；It, all can be more each from the exhaust gas that venthole A4 comes out during along corresponding 6 spiral of helical intake
Secondary process filter plate 9, to ensure that the filter effect of exhaust gas, when exhaust gas rises to set by the correspondence of sealing plate 7 along helical intake 6
Venthole B8 when, the harmful substance in exhaust gas has filtered removal, so that the exhaust gas into exhaust pipe 3 be made to meet discharge
Standard, will not atmosphere pollution environment；Moisture and some harmful substances or the continuous cumulative rises of solid particulate matter in exhaust gas, finally
Since the effect of gravity drops within the scope of the conical surface of 1 bottom of cartridge filter and in sewage pipe 11 along filter plate 9, periodically open
The valve of sewage pipe 11 is to remove dirty material.
When the filtering medium layer in filter plate 9 is to the replacement cycle, closes the valve of air inlet pipe 2, opens sewage pipe
Then 11 valve again separates the conical surface of 1 bottom of cartridge filter with cartridge filter 1, then will from the open-mouth of each 9 bottom of filter plate
Filtering medium layer in each filter plate 9 is replaced, finally again that the conical surface and cartridge filter 1 is fixed.
Claims (10)
1. the gas-filtering device of suction-type sewer scavenger, it is characterised in that: including cartridge filter (1), the top and bottom of the cartridge filter (1)
It closes, it is concentric in the cartridge filter (1) to be fixed with air inlet pipe (2), cartridge filter is upward through at the top of the air inlet pipe (2)
(1) it is stretched out upwards behind top cartridge filter (1), at the top and air inlet pipe (2) bottom position in the cartridge filter (1), position
It is respectively fixed between air inlet pipe (2) and cartridge filter (1) horizontal sealing plate (7), the bottom end closure of the air inlet pipe (2), and
And the side wall of air inlet pipe (2), be located at bottom position be equipped with multiple venthole A(4), the venthole A(4) with air inlet pipe (2)
It is uniformly distributed centered on axle center, between the sealing plate (7) in the cartridge filter (1), between air inlet pipe (2) and cartridge filter (1)
Equipped with multiple matched spiral plates (5), the spiral plate (5) is uniformly distributed centered on the axle center of air inlet pipe (2), and adjacent
Form helical intake (6) between two spiral plates (5), the venthole A(4) by air inlet pipe (2) from different spiral gas
Road (6) is respectively communicated with, and the helical intake (6) and the place of being correspondingly connected with for the sealing plate (7) for being located at cartridge filter (1) internal upper part are set respectively
Have venthole B(8), the side wall of the cartridge filter (1), the sealing plate (7) for being located at cartridge filter (1) internal upper part top between be connected to and set
Have escape pipe (3), is fixed below the sealing plate (7) of cartridge filter (1) internal upper part, between air inlet pipe (2) and cartridge filter (1)
Have multiple filter plates (9), the filter plate (9) is downward through the bottom for being extended to the over filter cylinder (1) after each spiral plate (5), the filtering
It is cored slab in plate (5), the filter opening (10) of the filter plate (5) is connected to the inner cavity of filter plate (5), the sky of the filter plate (9)
Intracavitary to be fixed with filtering medium layer, the bottom centre of the cartridge filter (1) is also communicated with sewage pipe (11).
2. the gas-filtering device of suction-type sewer scavenger as described in claim 1, it is characterised in that: be connected to each venthole A(4) each
Two successively adjacent and adjacent helical intakes (6) of helical intake (6) share a spiral plate (5).
3. the gas-filtering device of suction-type sewer scavenger as described in claim 1, it is characterised in that: the place plane of the filter plate (9)
By the axle center of air inlet pipe (2).
4. the gas-filtering device of suction-type sewer scavenger as described in claim 1, it is characterised in that: the bottom of the filter plate (9) is downward
It is extended to the over the bottom of filter cylinder (1).
5. the gas-filtering device of suction-type sewer scavenger as described in claim 1, it is characterised in that: the filter plate (9) is located at adjacent two
A venthole A(4) between position at.
6. the gas-filtering device of suction-type sewer scavenger as claimed in claim 5, it is characterised in that: two neighboring venthole A(4) with this
Two neighboring venthole A(4) between filter plate (9) where plane be symmetric for the plane of symmetry.
7. the gas-filtering device of suction-type sewer scavenger as described in claim 1, it is characterised in that: the air inlet pipe (2) is located at filtering
The diameter of cylinder (1) inner part is gradually increased along sequence from top to bottom.
8. the gas-filtering device of suction-type sewer scavenger as described in claim 1, it is characterised in that: the bottom of the cartridge filter (1) is
The conical surface tilted down along the sequence of ecto-entad.
9. the gas-filtering device of suction-type sewer scavenger as claimed in claim 8, it is characterised in that: the conical surface can be added by screw thread
The mode of sealing ring and cartridge filter (1) sealing are fixed.
10. the gas-filtering device of suction-type sewer scavenger as described in claim 1, it is characterised in that: the bottom of the filter plate (9) is
Opening, and be connected in the cavity of filter plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913831.0A CN110523164B (en) | 2019-09-25 | 2019-09-25 | Gas filtering device of sewage suction truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913831.0A CN110523164B (en) | 2019-09-25 | 2019-09-25 | Gas filtering device of sewage suction truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110523164A true CN110523164A (en) | 2019-12-03 |
| CN110523164B CN110523164B (en) | 2024-03-15 |
Family
ID=68670120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910913831.0A Active CN110523164B (en) | 2019-09-25 | 2019-09-25 | Gas filtering device of sewage suction truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110523164B (en) |
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| GB668705A (en) * | 1950-05-24 | 1952-03-19 | Fram Corp | Filter cartridge |
| GB787870A (en) * | 1955-08-17 | 1957-12-18 | Birmingham Small Arms Co Ltd | Improvements in or relating to filters |
| EP0379032A1 (en) * | 1989-01-20 | 1990-07-25 | Schwäbische Hüttenwerke Gesellschaft mit beschränkter Haftung | Waste gas filter |
| CA1292953C (en) * | 1987-09-02 | 1991-12-10 | Peter P.P. Popoff | Filter assembly with threaded collection bowl |
| JPH06165916A (en) * | 1992-11-27 | 1994-06-14 | Kawasaki Heavy Ind Ltd | Centrifugal fluidized bed dust removal/desulfurizing/ denitrifying device |
| DE19963774A1 (en) * | 1999-11-19 | 2001-05-31 | Oberland Mangold Gmbh | Filtering device for purifying IC engine exhaust gases comprises filter medium made of fibrous material between inner pipe and outer pipe, and flow channel for exhaust gas |
| TWM264005U (en) * | 2004-07-23 | 2005-05-11 | Ren-Ben Jang | Gas filtering and cleaning processing device |
| CN203244858U (en) * | 2013-04-11 | 2013-10-23 | 林祥莉 | Filter screen type on-line rotary dust removing device for spiral flow passage |
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| CN207795219U (en) * | 2018-01-16 | 2018-08-31 | 康文娟 | A kind of separator for natural gas extraction conveying |
| CN207805385U (en) * | 2017-12-27 | 2018-09-04 | 三明市明网网络信息技术有限公司 | A kind of photocatalyst removing and harmful gas construction furniture surface ultra violet lamp device |
| CN208594986U (en) * | 2018-05-31 | 2019-03-12 | 王亚 | A kind of automobile oil filter |
| CN209188348U (en) * | 2018-11-22 | 2019-08-02 | 深圳市润丰华安装工程有限公司 | Dry filter device |
| CN210814400U (en) * | 2019-09-25 | 2020-06-23 | 江苏吉宏特专用汽车制造有限公司 | Gas filtering device of sewage suction truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB668705A (en) * | 1950-05-24 | 1952-03-19 | Fram Corp | Filter cartridge |
| GB787870A (en) * | 1955-08-17 | 1957-12-18 | Birmingham Small Arms Co Ltd | Improvements in or relating to filters |
| CA1292953C (en) * | 1987-09-02 | 1991-12-10 | Peter P.P. Popoff | Filter assembly with threaded collection bowl |
| EP0379032A1 (en) * | 1989-01-20 | 1990-07-25 | Schwäbische Hüttenwerke Gesellschaft mit beschränkter Haftung | Waste gas filter |
| JPH06165916A (en) * | 1992-11-27 | 1994-06-14 | Kawasaki Heavy Ind Ltd | Centrifugal fluidized bed dust removal/desulfurizing/ denitrifying device |
| DE19963774A1 (en) * | 1999-11-19 | 2001-05-31 | Oberland Mangold Gmbh | Filtering device for purifying IC engine exhaust gases comprises filter medium made of fibrous material between inner pipe and outer pipe, and flow channel for exhaust gas |
| TWM264005U (en) * | 2004-07-23 | 2005-05-11 | Ren-Ben Jang | Gas filtering and cleaning processing device |
| CN203244858U (en) * | 2013-04-11 | 2013-10-23 | 林祥莉 | Filter screen type on-line rotary dust removing device for spiral flow passage |
| KR101638803B1 (en) * | 2015-02-13 | 2016-07-12 | 디에스마린테크(주) | Exhaust gas clean-up apparatus |
| CN205815457U (en) * | 2016-07-22 | 2016-12-21 | 登封市少林耐火材料有限公司 | A kind of emission-control equipment of magnesia carbon brick electrical kiln |
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| CN207795219U (en) * | 2018-01-16 | 2018-08-31 | 康文娟 | A kind of separator for natural gas extraction conveying |
| CN208594986U (en) * | 2018-05-31 | 2019-03-12 | 王亚 | A kind of automobile oil filter |
| CN209188348U (en) * | 2018-11-22 | 2019-08-02 | 深圳市润丰华安装工程有限公司 | Dry filter device |
| CN210814400U (en) * | 2019-09-25 | 2020-06-23 | 江苏吉宏特专用汽车制造有限公司 | Gas filtering device of sewage suction truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110523164B (en) | 2024-03-15 |
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