CN115288891B - Self-cleaning filter and hydrogen fuel engine - Google Patents
Self-cleaning filter and hydrogen fuel engine Download PDFInfo
- Publication number
- CN115288891B CN115288891B CN202210892509.6A CN202210892509A CN115288891B CN 115288891 B CN115288891 B CN 115288891B CN 202210892509 A CN202210892509 A CN 202210892509A CN 115288891 B CN115288891 B CN 115288891B
- Authority
- CN
- China
- Prior art keywords
- annular
- air
- filter
- self
- filtering
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 68
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 30
- 239000001257 hydrogen Substances 0.000 title claims abstract description 30
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000000446 fuel Substances 0.000 title abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 111
- 238000007789 sealing Methods 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 3
- 239000012535 impurity Substances 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a self-cleaning filter and a hydrogen fuel engine provided with the self-cleaning filter, wherein the self-cleaning filter comprises an annular filter mesh belt (5) for filtering intake air of an intake runner and a recoil wind device arranged corresponding to the annular filter mesh belt (5), the annular filter mesh belt (5) can rotate in an annular mode, and an air intake filtering direction (F1) of the annular filter mesh belt (5) is opposite to a clean air supply direction (F2) of the recoil wind device in the direction of the inner side and the outer side of the annular filter mesh belt (5). The invention can effectively filter and remove impurities in an external air source, and can uniformly use the filter surface on the annular filter mesh belt through the annular rotation of the annular filter mesh belt, and on the other hand, the invention is beneficial to realizing the self-cleaning effect, thereby being beneficial to maintaining the high filtering performance of the annular filter mesh belt and effectively reducing the maintenance frequency and the maintenance cost of the filter in the engine.
Description
Technical Field
The invention relates to an engine filter, in particular to a self-cleaning filter. In addition, the invention also relates to a hydrogen fuel engine adopting the self-cleaning filter.
Background
The engine using hydrogen as fuel has higher energy power than other types of engines, and the discharged byproducts are water or steam, so that the engine using hydrogen as fuel has no pollution to the environment, and therefore, the engine using hydrogen as fuel has become an important development direction in the development of novel fuel engines.
In the application of the hydrogen fuel engine, hydrogen, air and the like are required to be respectively input into a hydrogen inlet channel and an air inlet channel (generally called an air inlet channel) of the engine, and in order to ensure that impurities in the air do not enter the hydrogen fuel engine as much as possible, the existing hydrogen fuel engine is provided with an air filter at an inlet of the air channel, and the impurities in the air are filtered and then enter the hydrogen fuel engine.
In practical application, after the air filter is used for a period of time, dust in the air is accumulated on the outer side of a filter element of the air filter, so that the working performance of the air filter is reduced, the air requirement in an air channel of a hydrogen fuel engine cannot be met, and the working efficiency of the hydrogen fuel engine can be influenced due to the reduction of the air quantity.
To solve this problem, CN212542503U discloses a similar technology applied to a hydrogen fuel cell, which discloses an air cleaner capable of giving prompt to maintenance personnel at the first time when the filtering performance of the air cleaner body is deteriorated, but the above-described cleaner structure has only a performance prompt function, not a better filtering function, and the prior art cleaner has poor filtering efficiency and requires frequent maintenance and replacement. The filter has poor filtering efficiency and short maintenance period, is limited by the inherent structure of the filter, and always belongs to the long-term unresolved problem in the field, and the conventional filter has fixed design ideas which are basically the design ideas concentrated on the filtering structure, the pore diameter, the materials and the like, so that the improvement of breakthrough functional technical routes can not be formed basically.
Based on this, there is a need to design a self-cleaning filter to be able to effectively apply a hydrogen fuel engine or a hydrogen fuel cell to overcome the drawbacks.
Disclosure of Invention
The invention aims to solve the technical problem of providing a self-cleaning filter which not only can improve the filtering quality, but also has a self-cleaning function.
Further, the technical problem to be solved by the invention is to provide a hydrogen fuel engine which has high intake quality and self-cleaning function.
In order to solve the technical problems, the invention provides a self-cleaning filter, which comprises an annular filtering net belt for filtering intake air of an intake runner and a recoil wind device arranged corresponding to the annular filtering net belt, wherein the annular filtering net belt can rotate in an annular mode, and the air inlet filtering direction of the annular filtering net belt is opposite to the clean air supply direction of the recoil wind device in the direction of the inner side and the outer side of the annular filtering net belt.
Specifically, the recoil wind device is arranged on the inner side of the annular filter mesh belt, so that the clean air supply direction of the recoil wind device is from inside to outside in the direction of the inner side and the outer side of the annular filter mesh belt, and the air inlet filtering direction of the annular filter mesh belt is from outside to inside air inlet filtering in the direction of the inner side and the outer side of the annular filter mesh belt.
Preferably, the self-cleaning filter comprises a filter inner shell, and a driving module for driving the annular filter mesh belt to rotate in an annular mode is arranged in the filter inner shell.
As a specific structural form, the driving module comprises a driving motor fixed on the inner filtering shell, and a driving roll shaft and a driven roll shaft which can be rotatably arranged on a first end wall and a second end wall which are opposite to the inner filtering shell, wherein the driving motor is in transmission connection with the driving roll shaft, and the inner peripheral surface of the annular filtering net belt is in transmission sleeve connection with the driving roll shaft and the driven roll shaft, so that the driving roll shaft can drive the annular rotation.
Preferably, a clean air exhaust pipe communicated with the air inlet flow channel is arranged on the first end wall of the filtering inner shell of the self-cleaning filter, an air isolation plate is arranged on the inner side of the filtering inner shell, corresponding to the annular filtering net belt, and the clean air exhaust pipe is communicated with a clean air space separated by the air isolation plate.
Specifically, be equipped with the mounting bracket on the air barrier, be equipped with on this mounting bracket and be used as a plurality of axial fan of recoil wind device, axial fan's clean air supply direction is from the inboard outside down air supply of annular filter net area.
Preferably, the outer peripheral surface of the inner filtering shell is connected with an outer sealing shell in a sliding and detachable manner, a dust discharging nozzle is arranged on the outer sealing shell corresponding to the clean air supply direction of the axial flow fan, a caulking groove matched with the outer sealing shell is formed in the outer peripheral wall of the inner filtering shell, a column is arranged on the second end wall of the inner filtering shell, and matched holes are formed in the positions, corresponding to the column, of the outer sealing shell.
More preferably, the outer enclosure is provided with an air inlet air control mechanism, the air inlet air control mechanism comprises a shutter frame, shutter blades which are connected with each other through a chain are rotatably arranged on the shutter frame, the shutter frame is provided with a driving motor, and the output shaft end of the driving motor is in transmission connection with the shutter blades, so that the inclination angles of the shutter blades can be synchronously controlled.
Typically, sealing ring strips are fixed at the inner peripheral parts of the first end wall and the second end wall, which are opposite to each other, of the inner filtering shell of the self-cleaning filter, and the sealing ring strips are attached to the annular filtering mesh belt in a relatively sliding manner.
In addition, the invention also provides a hydrogen fuel engine, which comprises an engine body, wherein an air inlet flow passage is arranged in the engine body, and the side surface of the engine body is provided with any self-cleaning filter which is communicated with the air inlet flow passage.
Through the technical scheme, the novel self-cleaning filter is added on the basis of the traditional hydrogen fuel engine through the design of the self-cleaning filter, impurities in an external air source can be effectively filtered and removed under the action of the annular filter mesh belt during operation, the static air filtering structure of the self-cleaning filter changes into a rotary air filtering structure, the annular filter mesh belt can rotate annularly under the action of the driving module during air filtering, the filtering surface on the annular filter mesh belt can be uniformly used through annular rotation of the annular filter mesh belt, the comprehensive self-cleaning of the annular filter mesh belt can be realized through the design of the recoil air device, impurities adhered to the surface of the annular filter mesh belt can be rapidly filtered through the recoil and reverse filtering principle during the rotation of the annular filter mesh belt, and accordingly, the maintenance frequency and the maintenance cost of the self-cleaning filter mesh belt in the engine can be maintained.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic exploded view of a self-cleaning filter according to an embodiment of the present invention.
FIG. 2 is a schematic view of the mounting structure of the self-cleaning filter shown in FIG. 1.
Fig. 3 is an enlarged schematic view of the portion a in fig. 2.
FIG. 4 is a schematic cross-sectional view of a self-cleaning filter in accordance with an embodiment of the present invention.
Fig. 5 is an enlarged schematic view of the portion B in fig. 4.
FIG. 6 is a schematic diagram of a hydrogen fuelled engine having a self-cleaning filter mounted thereon in accordance with an embodiment of the present invention.
Reference numerals illustrate:
1, an engine body; 2 a self-cleaning filter;
3, filtering the inner shell; 3a first end wall;
3b a second end wall; 3c an outer peripheral wall;
4, driving a motor; 401 driving roll shafts;
402 driven roll shafts; 5, an annular filter mesh belt;
6, a clean wind calandria; 7, an outer envelope;
8, a wind shielding plate; 8a clean wind space;
9 mounting frames; 10 an axial flow fan;
11 dust discharging nozzles; a 12-shutter frame;
13 shutter blades; 14 sealing ring strips;
15 embedding columns; 16 embedding holes;
f1 air inlet filtering direction; f2 cleans the direction of the air supply.
Detailed Description
The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the invention is not limited to the following embodiments.
It should be noted in advance that, in the following description of the embodiments of the present invention, related orientation terms are important, and relate to implementation of technical functions of the present invention. Specifically, since the annular filter mesh belt 5 of the present invention is annular, the direction of the inner and outer sides thereof is generally referred to as "inner side" of the annular filter mesh belt 5 in the annular region of the annular filter mesh belt 5 and as "outer side" outside the annular region of the annular filter mesh belt 5. In addition, for other components or different parts of components, the relative approach to the annular filter mesh 5 is generally referred to as "inner", while the opposite or further away from the annular filter mesh 5 is referred to as "outer". In addition, it should be noted that although the following description of the specific embodiments provides examples of the application of the self-cleaning filter to a hydrogen fuel engine, the application of the self-cleaning filter of the present invention is not limited thereto, and the self-cleaning filter of the present invention, such as a fuel cell, etc., may be applied as long as the filtering of the intake air of the intake runner is required, which falls within the application protection scope of the self-cleaning filter of the present invention.
Referring to fig. 1 to 6, the basic embodiment of the present invention provides a self-cleaning filter comprising a circular filter mesh belt 5 for filtering intake air of an intake runner, and a recoil wind device provided corresponding to the circular filter mesh belt 5, the circular filter mesh belt 5 being capable of rotating in a circular shape, and an intake air filtering direction F1 of the circular filter mesh belt 5 being opposite to a clean air supply direction F2 of the recoil wind device in an inside and outside direction of the circular filter mesh belt 5.
The self-cleaning filter of the basic embodiment of the invention actually breaks through the inherent design thought of the traditional filter, forms a breakthrough change of the technical route, namely abandons the traditional static filter design and forms the functional design thought of the dynamic filter design. During operation, impurities in an external air source can be effectively filtered and removed under the action of the annular filtering mesh belt, the self-cleaning filter is of a rotary air filtering structure, the annular filtering mesh belt 5 can rotate in an annular mode in the air filtering process, and a filtering surface on the annular filtering mesh belt 5 can be uniformly used through annular rotation of the annular filtering mesh belt 5. Moreover, in order to further improve the filtering efficiency and ensure the high efficiency of the filter in long-term use, the self-cleaning filter of the invention also has the design of self-cleaning function, realizes the self cleaning of the annular filter mesh belt 5, can rapidly self-clean impurities adhered to the surface of the annular filter mesh belt 5 through the backflushing and reverse filtering principle in the rotating process of the annular filter mesh belt 5 through the design of a backflushing wind device (preferably an axial flow fan 10), and is beneficial to maintaining the high filtering performance of the annular filter mesh belt through the realization of self-cleaning effect, thereby effectively reducing the maintenance frequency and the maintenance cost of the filter in an engine or a hydrogen fuel cell.
Specifically, in the above-described basic embodiment, it is to be understood that the directions on the inner and outer sides of the endless filter mesh belt 5 mainly mean: since the annular filter mesh belt 5 is annular, the annular region of the annular filter mesh belt 5 is "inner", and the annular region is "outer". The air inlet filtering direction F1 of the annular filtering mesh belt 5 is opposite to the clean air supply direction F2 of the recoil air device in the inner and outer side directions of the annular filtering mesh belt 5, for example, if the air inlet filtering direction F1 of the annular filtering mesh belt 5 filters from outside to inside, the clean air supply direction F2 of the recoil air device carries out recoil air from inside to outside; if the air inlet filtering direction F1 of the annular filter mesh belt 5 is filtered from inside to outside, the clean air supply direction F2 of the backflushing air device is backflushed from outside to inside.
Preferably, the above-mentioned recoil wind device is disposed inside the annular filter mesh belt 5 such that the clean air supply direction F2 of the recoil wind device is supplied from inside to outside in the direction of the inner and outer sides of the annular filter mesh belt 5, and the air intake filtering direction F1 of the annular filter mesh belt 5 is filtered from outside to inside in the direction of the inner and outer sides of the annular filter mesh belt 5.
With respect to the driving manner of the annular filter mesh belt 5 to rotate in an annular manner, in particular, the self-cleaning filter 2 of the present invention may include a filter inner case 3, and a driving module for driving the annular filter mesh belt 5 to rotate in an annular manner is installed inside the filter inner case 3. The driving module may include a driving motor 4 fixed to the inner filter housing 3, and a driving roller shaft 401 and a driven roller shaft 402 rotatably installed on the opposite first end wall 3a and second end wall 3b of the inner filter housing 3, where the driving motor 4 is in transmission connection with the driving roller shaft 401, and the inner circumferential surface of the annular filter mesh belt 5 is in transmission connection with the driving roller shaft 401 and the driven roller shaft 402, so that the driving roller shaft 401 can drive the annular rotation. This simple and effective driving is similar to the driving type of the conveyer belt.
More preferably, referring to fig. 4, a clean air exhaust pipe 6 for communicating with an intake runner may be provided on a first end wall 3a of a filter inner case 3 of the self-cleaning filter 2 of the present invention, and a wind shielding plate 8 is provided inside the filter inner case 3 corresponding to an annular filter mesh belt 5, the clean air exhaust pipe 6 communicating with a clean air space 8a partitioned by the wind shielding plate 8.
As a preferred structural arrangement form of the recoil wind device, a mounting frame 9 may be provided on the wind shielding plate 8, and a plurality of axial flow fans 10 serving as the recoil wind device are provided on the mounting frame 9, and the clean air supply direction F2 of the axial flow fans 10 supplies air downward from the inner side to the outer side of the annular filter mesh belt 5. Correspondingly, in order to receive the impurities cleaned by the recoil wind device, an outer sealing shell 7 is connected on the outer peripheral surface of the filtering inner shell 3 in a sliding and detachable manner, a dust discharging nozzle 11 is arranged on the outer sealing shell 7 corresponding to the clean air supply direction of the axial flow fan 10, a caulking groove (a structure such as a mark positioning groove for plugging and positioning is not shown in the figure) matched with the outer sealing shell 7 is formed on the outer peripheral wall 3c of the filtering inner shell 3, a embedding column 15 is arranged on the second end wall 3b of the filtering inner shell 3, and matched embedding holes 16 are formed in the positions of the outer sealing shell 7 corresponding to the embedding columns 15, so that after the assembly, the relative position fixation of the filtering inner shell 3 and the outer sealing shell 7 can be ensured.
As a preferred structural form of the self-cleaning filter, the self-cleaning filter is further provided with an air inlet air control mechanism, in particular, the outer enclosure 7 is provided with the air inlet air control mechanism, the air inlet air control mechanism comprises a louver frame 12, louver blades 13 which are connected with each other through a chain are rotatably arranged on the louver frame 12, the louver frame 12 is provided with a driving motor, and the output shaft end of the driving motor is in transmission connection with the louver blades 13, so that the inclination angle of the louver blades 13 can be synchronously controlled. By controlling the inclination angle of the louver blades 13, the air intake amount can be controlled according to the working conditions.
In order to prevent possible air leakage between the inner filter housing 3 and the annular filter mesh belt 5, preferably, referring to fig. 1, sealing ring strips 14 are fixed at inner peripheral portions of the first end wall 3a and the second end wall 3b opposite to the inner filter housing 3 of the self-cleaning filter of the invention, and the sealing ring strips 14 and the annular filter mesh belt 5 can be relatively and slidably attached, so that the sealing effect can be achieved and the rotation of the annular filter mesh belt 5 is not affected.
In addition, on the basis of the self-cleaning filter technical scheme, referring to fig. 6, the invention further provides a hydrogen fuel engine, which comprises an engine body 1, wherein an air inlet channel is arranged in the engine body 1, the self-cleaning filter is arranged on the side surface of the engine body 1, and the self-cleaning filter is communicated with the air inlet channel.
The basic embodiments and various embodiments of the present invention have been described above in a hierarchical progression, and in order to facilitate a more thorough understanding of the technical aspects of the present invention, a more complete description of the preferred embodiments of the present invention will be provided below with reference to fig. 1 to 6. It should be noted that, the preferred features of the present invention may be combined with each other to form various embodiments without contradiction. In addition, technical effects of the respective preferred features are described below, and are equally applicable to the respective corresponding preferred embodiments described above.
Referring to fig. 1 to 6, the self-cleaning filter according to the preferred embodiment of the present invention may be applied to hydrogen fuel engines, and may be applied to other energy devices requiring intake air filtration. The hydrogen fuel engine comprises an engine body 1, an air inlet flow channel is fixedly arranged in the engine body 1, and the self-cleaning filter is fixedly arranged on the side surface of the engine body 1 and communicated with the air inlet flow channel.
The self-cleaning filter comprises a filtering inner shell 3, a first end face 3a of the filtering inner shell 3 is fixedly connected with an engine body 1, a driving module is installed in the filtering inner shell 3, the peripheral surface of the driving module is connected with an annular filtering net belt 5, air filtering holes are uniformly distributed in the surface of the annular filtering net belt 5, the axis of the air filtering holes can be perpendicular to the axis of a net air exhaust pipe 6, and the annular filtering net belt 5 is formed by connecting whole net belts end to end. The driving module is used for driving the annular filter mesh belt 5 to rotate in an annular mode; the driving module can include driving motor 4, driving roll axle 401 and driven roll axle 402, and driving roll axle 401 and driven roll axle 402's both ends all rotate with the first end wall 3a and the second end wall 3b of filtering inner shell 3 and be connected, and driving motor 4's a surface and the inner shell 3 fixed connection that filters, driving motor 4's output axle head and driving roll axle 401 fixed connection, driving roll axle 401 and driven roll axle 402's global all are connected with annular filter screen belt 5 transmission. The first end wall 3a of the filter inner shell 3 is fixedly provided with a group of clean air discharge pipes 6 which are distributed in a linear array and are communicated with the air inlet flow passage. The peripheral side sliding connection who filters inner shell 3 has outer envelope 7, and the caulking groove with outer envelope 7 adaptation is fixedly seted up to outer perisporium 3c that filters inner shell 3, and a set of embedded column 15 is installed to the second end wall 3b that filters inner shell 3, and embedded hole 16 has all been seted up to the surface of outer envelope 7 and the position that corresponds every embedded column 15. When the annular filter mesh belt 5 needs to be overhauled, cleaned, detached or replaced, the outer sealing shell 7 can be quickly detached through the sliding connection type structure of the outer sealing shell 7 and the filtering inner shell 3. The top surface of the outer enclosure 7 is fixedly provided with an air control mechanism, the inside of the filtering inner shell 3 is fixedly provided with an air baffle plate 8 corresponding to the inner side of the annular filtering net belt 5, the air baffle plate 8 is separated to form a clean air space 8a on the inner side of the annular filtering net belt 5, and the clean air exhaust pipe 6 is arranged on the upper side of the air baffle plate 8. The inner wall fixed mounting of the air baffle 8 has mounting bracket 9, and the inner wall fixed mounting of mounting bracket 9 has a set of air-out direction to set up decurrent axial fan 10, and the fixed intercommunication in the position of the bottom surface of outer envelope 7 and corresponding mounting bracket 9 under has dust exhaust mouth 11. The fan control mechanism comprises a shutter frame 12, the shutter frame 12 is communicated with the outer sealing shell 7, a group of shutter blades 13 which are connected with each other through chains are rotationally connected to the inner wall of the shutter frame 12, a driving motor is fixedly installed in the shutter frame 12, the output shaft end of the driving motor is fixedly connected with the shutter blades 13, and the driving motor is used for synchronously controlling the inclination angles of the shutter blades 13. In addition, the inner sides of the peripheral edges of the first end wall 3a and the second end wall 3b of the inner filtering shell 3 are fixedly provided with sealing ring strips 14, the inner walls of the two sealing ring strips 14 are in sliding fit with the annular filtering net belt 5, the shapes of the two sealing ring strips 14 are respectively matched with the shapes of the two side edges of the annular filtering net belt 5, the sealing ring strips 14 are arranged on the outer side of the annular filtering net belt 5, and the sealing ring strips 14 are used for guaranteeing the tightness of the sliding connection part of the annular filtering net belt 5 and the inner filtering shell 3.
In the working process, for example, when the self-cleaning filter is applied to a hydrogen fuel engine, when the engine body 1 works normally, a driving motor in an air control mechanism controls a group of louver blades 13 to be unfolded at a set inclination angle, the louver blades 13 are unfolded and then carry out air inlet operation, when the driving motor works, a driving module drives the annular filter mesh belt 5 to rotate at a set speed, an axial flow fan 10 serving as a recoil air device outputs air downwards at a set power and pressure, an external air source enters the annular filter mesh belt 5 from the louver blades 13, the external air source filtered by the annular filter mesh belt 5 enters the upper space of the air baffle 8, after the air source flows in, the air source enters an air inlet channel through a clean air exhaust pipe 6, and after the axial flow fan 10 outputs air downwards, impurities remained on the annular filter mesh belt 5 are rapidly removed through a recoil and reverse filtering principle, and when the annular filter mesh belt 5 needs to be overhauled, cleaned, detached or replaced, the outer seal shell 7 can be rapidly detached through a sliding connection structure of the outer seal shell 7 and the inner shell 3, so that the annular filter mesh belt 5 can be unfolded conveniently.
According to the self-cleaning filter disclosed by the invention, the inertia of the traditional design is broken through, a brand-new technical route is formed, the novel filter is added on the basis of the traditional hydrogen fuel engine through the design of a unique dynamic filtering and backflushing wind byte structure, during operation, impurities in an external air source can be effectively filtered and removed under the action of the annular filtering net belt 5, the static air filtering structure of the device is changed into a rotary air filtering structure, the annular filtering net belt can be circularly rotated under the action of a driving module in the air filtering process, the annular filtering net belt can be uniformly used through the annular rotation of the annular filtering net belt 5, the full-directional self-cleaning of the annular filtering net belt 5 is realized on the one hand, the enhanced design of the backflushing wind device (such as an axial flow fan 10) is facilitated, the impurities adhered to the surface of the annular filtering net belt can be rapidly filtered through backflushing and anti-filtering principles in the rotating process of the annular filtering net belt 5, and the self-cleaning frequency of the annular filtering net belt can be effectively reduced through the realization of self-cleaning net belt 5, and the maintenance cost of the self-cleaning engine is further reduced.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (8)
1. The self-cleaning filter is characterized by comprising an annular filtering net belt (5) for filtering the inlet air of an inlet air runner and a recoil air device arranged corresponding to the annular filtering net belt (5), wherein the annular filtering net belt (5) can rotate in an annular mode, the inlet air filtering direction (F1) of the annular filtering net belt (5) is opposite to the cleaning air supplying direction (F2) of the recoil air device in the direction of the inner side and the outer side of the annular filtering net belt (5),
the self-cleaning filter (2) comprises a filter inner shell (3), a clean air discharge pipe (6) communicated with the air inlet runner is arranged on a first end wall (3 a) of the filter inner shell (3), an air isolation plate (8) is arranged on the inner side of the filter inner shell (3) corresponding to the annular filter mesh belt (5), the clean air discharge pipe (6) is communicated with a clean air space (8 a) separated by the air isolation plate (8), air filtering holes are uniformly distributed on the surface of the annular filter mesh belt (5), and the axis of each air filtering hole is perpendicular to the axis of the clean air discharge pipe (6);
an outer sealing shell (7) is connected to the outer peripheral surface of the filtering inner shell (3) in a sliding and detachable manner, an air inlet air control mechanism is fixedly arranged on the top surface of the outer sealing shell (7) so that the air inlet filtering direction (F1) of the annular filtering net belt (5) can be enabled to pass through the top surface of the annular filtering net belt (5) from outside to inside and downwards in the inner and outer side direction of the annular filtering net belt (5) through the air inlet air control mechanism; the back flushing wind device is arranged on the inner side of the annular filtering mesh belt (5) and comprises a group of axial flow fans (10) with downward air outlet directions, so that the clean air supply direction (F2) of the back flushing wind device passes through the bottom surface of the annular filtering mesh belt (5) from inside to outside and downwards in the inner side direction and the outer side direction of the annular filtering mesh belt (5).
2. A self-cleaning filter according to claim 1, wherein a driving module for driving the annular filter mesh belt (5) to rotate in an annular manner is mounted inside the filter inner casing (3).
3. The self-cleaning filter according to claim 2, wherein the driving module comprises a driving motor (4) fixed on the inner filter shell (3), and a driving roller shaft (401) and a driven roller shaft (402) rotatably mounted on a first end wall (3 a) and a second end wall (3 b) opposite to the inner filter shell (3), the driving motor (4) is in transmission connection with the driving roller shaft (401), and the inner peripheral surface of the annular filter mesh belt (5) is in transmission connection with the driving roller shaft (401) and the driven roller shaft (402), so that the driving roller shaft (401) can drive the annular rotation.
4. A self cleaning filter according to claim 1, wherein the air barrier (8) is provided with a mounting frame (9), and the mounting frame (9) is provided with a plurality of axial flow fans (10) serving as the back flushing device.
5. The self-cleaning filter according to claim 4, wherein a dust discharging nozzle (11) is arranged on the outer enclosure (7) corresponding to the cleaning air supply direction of the axial flow fan (10), a caulking groove matched with the outer enclosure (7) is formed on the outer peripheral wall (3 c) of the inner filter shell (3), a caulking post (15) is arranged on the second end wall (3 b) of the inner filter shell (3), and matched caulking holes (16) are formed in positions of the outer enclosure (7) corresponding to the caulking posts (15).
6. The self-cleaning filter according to claim 5, wherein the air intake and control mechanism comprises a louver frame (12), louver blades (13) connected with each other through a chain are rotatably installed on the louver frame (12), and a driving motor is installed on the louver frame (12), and an output shaft end of the driving motor is in transmission connection with the louver blades (13), so that the inclination angle of the louver blades (13) can be synchronously controlled.
7. A self-cleaning filter according to any one of claims 1 to 6, wherein sealing ring strips (14) are fixed to peripheral inner side portions of the first end wall (3 a) and the second end wall (3 b) which are opposite to each other of a filter inner case (3) of the self-cleaning filter, and the sealing ring strips (14) are bonded to the annular filter mesh belt (5) so as to be capable of sliding relative to each other.
8. A hydrogen fuelled engine comprising an engine block (1), the engine block (1) having an inlet flow passage therein, characterised in that a self-cleaning filter according to any one of claims 1 to 7 is mounted on a side of the engine block (1), the self-cleaning filter being in communication with the inlet flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210892509.6A CN115288891B (en) | 2022-07-27 | 2022-07-27 | Self-cleaning filter and hydrogen fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210892509.6A CN115288891B (en) | 2022-07-27 | 2022-07-27 | Self-cleaning filter and hydrogen fuel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115288891A CN115288891A (en) | 2022-11-04 |
| CN115288891B true CN115288891B (en) | 2024-01-05 |
Family
ID=83824894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210892509.6A Active CN115288891B (en) | 2022-07-27 | 2022-07-27 | Self-cleaning filter and hydrogen fuel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115288891B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4521230A (en) * | 1984-07-26 | 1985-06-04 | Strong John C | Self-cleaning furnace filter construction |
| CA1267611A (en) * | 1984-12-18 | 1990-04-10 | Pneumafil Corporation | Self-cleaning filter |
| CA2313871A1 (en) * | 1996-07-30 | 1998-01-30 | Pneumafil Corporation | Self-cleaning belt filter and method |
| CN106337730A (en) * | 2016-09-07 | 2017-01-18 | 石家庄新华能源环保科技股份有限公司 | Hydrogen fuel engine system |
| CN109578181A (en) * | 2019-01-28 | 2019-04-05 | 上海邗越智能科技有限公司 | A kind of self-cleaning air filter and its control system |
| CN212523395U (en) * | 2020-05-15 | 2021-02-12 | 唐山市规划建筑设计研究院 | A filter assembly for heating and ventilating air conditioner |
| CN112535919A (en) * | 2020-12-21 | 2021-03-23 | 成都鸣诺科技有限公司 | Self-cleaning filter screen device and electric facility comprising same |
| CN214412296U (en) * | 2021-04-22 | 2021-10-15 | 李鹤 | Automatic power generation control target load preprocessing device |
-
2022
- 2022-07-27 CN CN202210892509.6A patent/CN115288891B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4521230A (en) * | 1984-07-26 | 1985-06-04 | Strong John C | Self-cleaning furnace filter construction |
| CA1267611A (en) * | 1984-12-18 | 1990-04-10 | Pneumafil Corporation | Self-cleaning filter |
| CA2313871A1 (en) * | 1996-07-30 | 1998-01-30 | Pneumafil Corporation | Self-cleaning belt filter and method |
| CN106337730A (en) * | 2016-09-07 | 2017-01-18 | 石家庄新华能源环保科技股份有限公司 | Hydrogen fuel engine system |
| CN109578181A (en) * | 2019-01-28 | 2019-04-05 | 上海邗越智能科技有限公司 | A kind of self-cleaning air filter and its control system |
| CN212523395U (en) * | 2020-05-15 | 2021-02-12 | 唐山市规划建筑设计研究院 | A filter assembly for heating and ventilating air conditioner |
| CN112535919A (en) * | 2020-12-21 | 2021-03-23 | 成都鸣诺科技有限公司 | Self-cleaning filter screen device and electric facility comprising same |
| CN214412296U (en) * | 2021-04-22 | 2021-10-15 | 李鹤 | Automatic power generation control target load preprocessing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115288891A (en) | 2022-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101999243B1 (en) | Purifying apparatus for chimney | |
| CN112436799A (en) | Solar photovoltaic panel with automatic cleaning function | |
| CN111974116A (en) | Self-rotating industrial waste gas particle filtering device based on recoil self-cleaning principle | |
| CN115288891B (en) | Self-cleaning filter and hydrogen fuel engine | |
| CN203640995U (en) | Pump inlet automatic back flush filter screen | |
| CN109331628B (en) | Desulfurization and denitrification purification device for flue gas separation of industrial boiler for coal power plant | |
| CN208553500U (en) | A kind of air cleaning filter of adjusting air inlet speed | |
| CN101201056A (en) | Centrifugal fan with built-in purifying means | |
| CN219559080U (en) | Filter device for air outlet of setting machine | |
| CN209735186U (en) | Waste gas drainage fan for chemical plant | |
| CN217057823U (en) | Basement ventilation smoke prevention and exhaust device | |
| CN218722079U (en) | Leisure shoe workshop air purification device | |
| CN213118022U (en) | A prevent blockking up pipeline for water treatment | |
| CN210613237U (en) | Waste gas treatment device with heat recovery function | |
| CN111569543A (en) | A dust removal ventilation unit for building warm engineering that leads to | |
| CN208275175U (en) | A kind of cleaner applied to environmental protection | |
| CN112206589A (en) | Dry dust remover of deashing exempts from to dismantle | |
| CN211189412U (en) | Water filter | |
| CN214513200U (en) | Compound filter core convenient to clearance | |
| CN115751565A (en) | Air purification device convenient to install and used in boiler workshop | |
| CN117329680B (en) | Protection circuit device of fresh air machine control board and protection method thereof | |
| CN217025378U (en) | Efficient internal inflow type fine grid | |
| CN218861660U (en) | Water supply equipment with purification performance | |
| CN217549311U (en) | Air filtering station of power equipment | |
| CN218188292U (en) | Novel diaphragm valve with prevent blockking up function |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |