CN210814400U - Gas filtering device of sewage suction truck - Google Patents
Gas filtering device of sewage suction truck Download PDFInfo
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- CN210814400U CN210814400U CN201921606564.4U CN201921606564U CN210814400U CN 210814400 U CN210814400 U CN 210814400U CN 201921606564 U CN201921606564 U CN 201921606564U CN 210814400 U CN210814400 U CN 210814400U
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Abstract
The utility model discloses a gas filtering device of soil pick-up car, the cartridge filter is internal to be fixed with the intake pipe with the axle center, the bottom of intake pipe is sealed, the bottom position of intake pipe lateral wall is equipped with a plurality of air vent A, between the shrouding in the cartridge filter, be located and be equipped with a plurality of spiral plates between intake pipe and the cartridge filter, form spiral air flue between two adjacent spiral plates, air vent A communicates the intake pipe with different spiral air flue, spiral air flue and the corresponding junction and the cartridge filter that are located the shrouding on cartridge filter upper portion are equipped with air vent B respectively, the lateral wall of cartridge filter, be located intercommunication outlet duct between the top of cartridge filter upper portion shrouding, a plurality of filter plates of cartridge filter internal fixation. According to the above structure, the utility model discloses a sewage suction truck's gas filtration device, waste gas carry out a lot of filtration through the filter in the spiral air flue to play effective filtration to waste gas, guarantee that the waste gas in the last air outlet pipe does not have harmful gas, environmental protection.
Description
Technical Field
The utility model relates to a sewage suction truck's gas filtering device's technical field, concretely relates to sewage suction truck's gas filtering device.
Background
The Suction-type sewer truck (Suction sewer truck) is a novel sanitation vehicle for collecting, transferring, cleaning and transporting sludge and sewage, and avoiding secondary pollution, and the Suction-type sewer truck can self-suck and self-discharge, has high working speed, large capacity and convenient transportation, and is suitable for collecting and transporting liquid substances such as excrement, slurry, crude oil and the like. The sewage suction truck adopts a domestic sewage suction truck vacuum pump with advanced technology, has large suction force and long suction distance, is particularly suitable for suction, loading, transportation and discharge of sludge in a sewer, and can particularly suck larger objects such as sewer slurry, silt, stones, bricks and the like. The sewage suction truck is mainly used for cleaning urban sewers, sediments of pipelines and dredging dead angle mud ditches, can also be used for cleaning industrial drainage pipelines, wall surfaces and the like, can be used for sprinkling, transporting water and flushing roads, and can be used for fighting fire in emergency.
In order to improve the capacity of the sewage suction truck, the existing sewage suction truck has two ways, namely, the capacity of a tank body of the sewage suction truck is increased. However, this approach has limited increase due to the limitations associated with vehicles, not being ultra-wide and ultra-high. Another approach is to add a dirty material treatment system directly on a sewage suction truck, after the sewage suction truck carries out the sewage suction treatment at one position, the sewage suction truck drives to another position to be subjected to the sewage suction treatment, the dirty material of the dirty liquid is treated, the solid dirty material is dried and compressed, the dirty liquid is also treated, and the treated dirty liquid can be directly discharged at the next sewage suction position. Dirty material on the soil pick-up car just can keep the volume minimum like this to make the soil pick-up car can carry out the soil pick-up to more places and handle, and can not go other local soil pick-up again after going to dirty material treatment center discharge because of the problem of capacity repeatedly, improve the availability factor of soil pick-up car.
However, in the second approach, some waste gas is generated in the process of treating the waste materials, the waste gas contains harmful substances, solid particles and the like, and a large amount of moisture is also included, so that the waste gas cannot be directly discharged and can be discharged into the atmosphere after being treated; while general exhaust treatment requires a large space, there is not enough space to provide an exhaust treatment device due to the vehicle size limitation of the sewage suction truck, which also limits the practical utilization and development of the second approach.
Disclosure of Invention
The utility model aims to provide a: the waste gas is filtered for many times through the filter plate in the spiral air passage, so that the waste gas is effectively filtered, the size of a waste gas treatment system can be effectively reduced, the waste gas in the final air outlet pipe is ensured to be free of harmful gas, the environment is protected, and the waste material is favorably treated on the sewage suction truck; the diameter of the air inlet pipe is increased along the sequence from top to bottom, so that the section area of the spiral air passage is gradually increased along the sequence from bottom to top, the circulation speed is continuously reduced and the air pressure is continuously reduced in the whole flowing process of the waste gas in the filter cylinder, and the waste gas can be more and more in full contact with the filter plate when passing through the filter plate in the spiral air passage; through the open structure at the bottom of the filter plate, the water and the dirt in the filter plate can conveniently drop into the conical surface at the bottom of the filter cylinder and the sewage pipe along the filter medium layer under the action of gravity, and the filter medium layer in the filter plate can be conveniently replaced; the conical surface is sealed and fixed with the filter cartridge through threads and the sealing ring, so that the conical surface and the filter cartridge are convenient to disassemble and assemble while the sealing of the filter cartridge is guaranteed, and a filter medium layer in the filter plate is convenient to replace.
The utility model adopts the technical proposal that:
the gas filtering device of the sewage suction truck comprises a filter cartridge, wherein the top and the bottom of the filter cartridge are sealed, an air inlet pipe is fixed in the filter cartridge coaxially, the top of the air inlet pipe upwards penetrates through the top of the filter cartridge and then upwards extends out of the filter cartridge, horizontal sealing plates are fixed at the bottom of the upper portion and the bottom of the air inlet pipe and between the air inlet pipe and the filter cartridge respectively, the bottom of the air inlet pipe is sealed, a plurality of vent holes A are formed in the side wall and the bottom of the air inlet pipe, the vent holes A are uniformly distributed by taking the axis of the air inlet pipe as the center, a plurality of matched spiral plates are arranged between the sealing plates in the filter cartridge and between the air inlet pipe and the filter cartridge, the spiral plates are uniformly distributed by taking the axis of the air inlet pipe as the center, spiral air passages are formed between two adjacent spiral plates, the utility model discloses a filter cartridge, including the filter cartridge, spiral air flue, inlet pipe and filter cylinder, the spiral air flue is equipped with air vent B with the corresponding junction of the shrouding that is located cartridge filter upper portion respectively, the intercommunication is equipped with the outlet duct between the lateral wall of cartridge filter, the top that is located the shrouding on cartridge filter upper portion, shrouding below on cartridge filter upper portion, be located and be fixed with a plurality of filter plates between intake pipe and the cartridge filter, the bottom that extends to the cartridge filter after the filter plate runs through each spiral plate downwards, be hollow core plate in the filter plate, the filtration pore of filter plate and the inner chamber intercommunication of filter plate, the cavity internal fixation of.
The utility model discloses the further improvement scheme is, and each spiral air flue that communicates with each air vent A is adjacent in proper order to a spiral plate is shared to two adjacent spiral air flues.
The utility model discloses a further improvement scheme is, the axle center of the place plane process intake pipe of filter plate.
The utility model discloses a further improvement scheme is, the bottom downwardly extending of filter plate reaches the bottom of cartridge filter.
The utility model discloses further improve the scheme be, the filter plate is located the position department between two adjacent air vent A.
The utility model discloses further improve the scheme and be, two adjacent air vent A use the plane at the filter plate place between these two adjacent air vent A personally submit symmetric distribution as the symmetry.
The utility model discloses a further improvement is, the diameter that the intake pipe is located cartridge filter inside part increases along the order from top to bottom gradually.
The utility model discloses a further improvement scheme is, the bottom of cartridge filter is the conical surface along outside-in's order downward sloping.
The utility model discloses further improve the scheme and be, the conical surface can be sealed fixedly with the cartridge filter through the mode that the sealing washer was added to the screw thread.
The utility model discloses a further improvement scheme is, the bottom of filter plate is uncovered to in the cavity intercommunication of filter plate.
The beneficial effects of the utility model reside in that:
first, the utility model discloses a gas filtering device of soil pick-up car, waste gas carry out a lot of filtration through the filter plate in the spiral air flue to play effective filtration to waste gas, thereby also can effectively reduce exhaust-gas treatment system's volume, guarantee that the waste gas in the last gas outlet pipe does not have harmful gas, environmental protection is favorable to handling the filth material on the soil pick-up car.
Second, the utility model discloses a sewage suction truck's gas filtration device, the diameter through the intake pipe increases along the order diameter from top to bottom, also makes spiral air flue's cross sectional area along by supreme order crescent down to at waste gas in the cartridge filter whole flow in-process, circulation speed constantly reduces, atmospheric pressure constantly reduces, thereby makes waste gas can more and more fully contact with the filter plate in spiral air flue in the filter.
Third, the utility model discloses a sewage suction truck's gas filtration device, through the uncovered structure of filter plate bottom, the moisture and the dirty material in the filter plate of not only being convenient for drip to the conical surface of cartridge filter bottom and in the sewage pipe along filter medium layer under the action of gravity, the filter medium layer in the filter plate of also being convenient for moreover changes.
Fourth, the utility model discloses a sewage suction truck's gas filtering device, the conical surface seals fixedly through screw thread and sealing washer and cartridge filter, when guaranteeing the sealed of cartridge filter, the dismouting of the conical surface of also being convenient for and cartridge filter, and then the filter medium layer in the filter plate of being convenient for is changed.
Description of the drawings:
fig. 1 is a front cross-sectional view of the present application.
Fig. 2 is a schematic top cross-sectional view of the present application.
The specific implementation mode is as follows:
as can be seen from fig. 1 to 2, the present invention includes a filter cartridge 1, the top and bottom of the filter cartridge 1 are closed, an air inlet pipe 2 is fixed with the same axis inside the filter cartridge 1, the top of the air inlet pipe 2 upwards passes through the top of the filter cartridge 1 and then upwards extends out of the filter cartridge 1, horizontal sealing plates 7 are respectively fixed at the positions of the upper portion inside the filter cartridge 1 and the bottom of the air inlet pipe 2 and between the air inlet pipe 2 and the filter cartridge 1, the bottom of the air inlet pipe 2 is closed, and a plurality of vent holes a4 are arranged at the positions of the side wall and the bottom of the air inlet pipe 2, the vent holes a4 are uniformly distributed by taking the axis of the air inlet pipe 2 as the center, a plurality of matched spiral plates 5 are arranged between the sealing plates 7 inside the filter cartridge 1 and between the air inlet pipe 2 and the filter cartridge 1, the spiral plates 5 are uniformly distributed by taking, the air vent A4 is used for respectively communicating the air inlet pipe 2 with different spiral air passages 6, air vent B8 is respectively arranged at the corresponding connection position of the spiral air passages 6 and a sealing plate 7 positioned at the upper part in the filter cartridge 1, an air outlet pipe 3 is communicated between the side wall of the filter cartridge 1 and the top of the sealing plate 7 positioned at the upper part in the filter cartridge 1, a plurality of filter plates 9 are fixed below the sealing plate 7 positioned at the upper part in the filter cartridge 1 and between the air inlet pipe 2 and the filter cartridge 1, the filter plates 9 downwards penetrate through the spiral plates 5 and then extend to the bottom of the filter cartridge 1, hollow plates are arranged in the filter plates 9, filter holes 10 of the filter plates 9 are communicated with an inner cavity of the filter plates 9, a filter medium layer (not shown in the attached drawings of the specification) is fixed in a cavity of the filter plates 9; the spiral air passages 6 communicated with the vent holes A4 are adjacent in sequence, and two adjacent spiral air passages 6 share one spiral plate 5; the plane of the filter plate 9 passes through the axis of the air inlet pipe 2; the bottom of the filter plate 9 extends downwards to the bottom of the filter cylinder 1; the filter plate 9 is located at a position between two adjacent vent holes a 4; the two adjacent vent holes A4 are symmetrically distributed by taking the plane of the filter plate 9 between the two adjacent vent holes A4 as a symmetrical plane; the diameter of the part of the air inlet pipe 2, which is positioned in the filter cylinder 1, is gradually increased along the sequence from top to bottom; the bottom of the filter cartridge 1 is a conical surface which is inclined downwards along the sequence from outside to inside; the conical surface can be fixedly sealed with the filter cartridge 1 in a thread and sealing ring mode; the bottom of the filter plate 9 is open (not shown in the attached drawings of the specification), and is communicated with the cavity of the filter plate 9, and the bottom of the filter medium layer is abutted against and contacted with the conical surface.
When the device is used, a valve on a sewage discharge pipeline 11 is closed, then an air pipe 2 is used for air inlet, waste gas in a sewage suction truck flows downwards after entering a filter cylinder 1 through the air pipe 2, then enters the corresponding spiral air passages 6 through air holes A4 arranged in the air pipe 2 respectively, and flows upwards along the spiral air passages 6 respectively, when the waste gas in the spiral air passages 6 passes through the filter plate 9, the waste gas passes through the filter holes 10 of the filter plate 9, and the waste gas is filtered through a filter medium layer once when passing through the filter plate 9; when the waste gas rises along the spiral air passage 6 to the vent hole B8 correspondingly arranged on the sealing plate 7, harmful substances in the waste gas are filtered and removed, so that the waste gas entering the exhaust pipe 3 meets the emission standard and does not pollute the environment by atmosphere; the moisture and some harmful substance or solid particulate matter in the waste gas constantly accumulate and increase, finally descend to the conical surface scope and the blow off pipe 11 of cartridge filter 1 bottom along filter plate 9 because of the effect of gravity in, regularly open the valve of blow off pipe 11 in order to clear away the filth.
When the filter medium layer in the filter plates 9 reaches the replacement period, the valve of the air inlet pipe 2 is closed, the valve of the sewage discharge pipe 11 is opened, then the conical surface at the bottom of the filter cylinder 1 is separated from the filter cylinder 1, then the filter medium layer in each filter plate 9 is replaced from the opening at the bottom of each filter plate 9, and finally the conical surface is fixed with the filter cylinder 1.
Claims (10)
1. The gas filtering device of the sewage suction truck is characterized in that: including cartridge filter (1), the top and the bottom of cartridge filter (1) are sealed, cartridge filter (1) is interior to be fixed with intake pipe (2) with the axle center, upwards stretch out cartridge filter (1) behind the top that upwards passes cartridge filter (1) at the top of intake pipe (2), upper portion and intake pipe (2) bottom position department in cartridge filter (1), be located and be fixed with horizontally shrouding (7) respectively between intake pipe (2) and cartridge filter (1), the bottom of intake pipe (2) is sealed to the lateral wall of intake pipe (2), be located bottom position department and be equipped with a plurality of air vents A (4), air vent A (4) use intake pipe (2) axle center evenly distributed as the center, be equipped with a plurality of spiral shell plate (5) that match between shrouding (7) in cartridge filter (1), be located between intake pipe (2) and cartridge filter (1), the spiral plates (5) are uniformly distributed by taking the axis of the air inlet pipe (2) as the center, spiral air passages (6) are formed between every two adjacent spiral plates (5), the air holes A (4) are respectively communicated with the air inlet pipe (2) and different spiral air passages (6), the spiral air passages (6) are respectively provided with air holes B (8) at the corresponding joints of the sealing plates (7) at the upper part in the filter cartridge (1), the side walls of the filter cartridge (1) and the top parts of the sealing plates (7) at the upper part in the filter cartridge (1) are communicated with each other to form air outlet pipes (3), a plurality of filter plates (9) are fixed below the sealing plates (7) at the upper part in the filter cartridge (1) and between the air inlet pipe (2) and the filter cartridge (1), the filter plates (9) downwards penetrate through the spiral plates (5) and then extend to the bottom of the filter cartridge (1), and the interior of each filter, the filter is characterized in that the filter holes (10) of the filter plates (9) are communicated with the inner cavity of the filter plates (9), a filter medium layer is fixedly arranged in the cavity of the filter plates (9), and the center of the bottom of the filter cartridge (1) is also communicated with a sewage discharge pipe (11).
2. The air filter device of a sewage suction truck as claimed in claim 1, wherein: the spiral air passages (6) communicated with the vent holes A (4) are adjacent in sequence, and two adjacent spiral air passages (6) share one spiral plate (5).
3. The air filter device of a sewage suction truck as claimed in claim 1, wherein: the plane where the filter plate (9) is located passes through the axis of the air inlet pipe (2).
4. The air filter device of a sewage suction truck as claimed in claim 1, wherein: the bottom of the filter plate (9) extends downwards to the bottom of the filter cylinder (1).
5. The air filter device of a sewage suction truck as claimed in claim 1, wherein: the filter plate (9) is positioned between two adjacent vent holes A (4).
6. The air filter device of a sewage suction truck as claimed in claim 5, wherein: the two adjacent vent holes A (4) are symmetrically distributed by taking the plane of the filter plate (9) between the two adjacent vent holes A (4) as a symmetrical plane.
7. The air filter device of a sewage suction truck as claimed in claim 1, wherein: the diameter of the air inlet pipe (2) in the filter cartridge (1) is gradually increased along the sequence from top to bottom.
8. The air filter device of a sewage suction truck as claimed in claim 1, wherein: the bottom of the filter cartridge (1) is a conical surface which is inclined downwards along the sequence from outside to inside.
9. The air filter device of a sewage suction truck as claimed in claim 8, wherein: the conical surface can be fixed with the filter cylinder (1) in a sealing way by a thread plus sealing ring.
10. The air filter device of a sewage suction truck as claimed in claim 1, wherein: the bottom of the filter plate (9) is open and is communicated with the cavity of the filter plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606564.4U CN210814400U (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 |
|---|---|---|---|
| CN201921606564.4U CN210814400U (en) | 2019-09-25 | 2019-09-25 | Gas filtering device of sewage suction truck |
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| Publication Number | Publication Date |
|---|---|
| CN210814400U true CN210814400U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921606564.4U Active CN210814400U (en) | 2019-09-25 | 2019-09-25 | Gas filtering device of sewage suction truck |
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| CN (1) | CN210814400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523164A (en) * | 2019-09-25 | 2019-12-03 | 江苏吉宏特专用汽车制造有限公司 | The gas-filtering device of suction-type sewer scavenger |
-
2019
- 2019-09-25 CN CN201921606564.4U patent/CN210814400U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523164A (en) * | 2019-09-25 | 2019-12-03 | 江苏吉宏特专用汽车制造有限公司 | The gas-filtering device of suction-type sewer scavenger |
| CN110523164B (en) * | 2019-09-25 | 2024-03-15 | 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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