CN214862085U - Cylinder type air dust collector and ventilation device - Google Patents
Cylinder type air dust collector and ventilation device Download PDFInfo
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- CN214862085U CN214862085U CN202121278431.6U CN202121278431U CN214862085U CN 214862085 U CN214862085 U CN 214862085U CN 202121278431 U CN202121278431 U CN 202121278431U CN 214862085 U CN214862085 U CN 214862085U
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Abstract
The utility model relates to an air dust removal technical field discloses a cylinder air cleaner and ventilation unit, including shell and the air filter who fixes in the shell, air filter one end is the air intake with the atmosphere intercommunication, and other end fixedly connected with diameter is less than the dust removal mouth of air intake, air filter includes the water conservancy diversion piece that a plurality of parallel intervals set up, and is a plurality of the water conservancy diversion piece encloses synthetic dust removal passageway that is used for discharging to contain impurity air along the shell axial, forms the water conservancy diversion passageway between the adjacent water conservancy diversion piece, and the passageway of airing exhaust that forms between water conservancy diversion piece and the shell inner wall, and the air gets into dust removal passageway through the air intake to air discharge that will contain impurity through the dust removal mouth, clean air is followed the water conservancy diversion passageway gets into the passageway of airing exhaust and discharges. The device can provide clean air steadily, guarantees to normally work for a long time under the condition of not clearing up, reduces the device and changes and maintains and overhaul.
Description
Technical Field
The utility model relates to an air dust removal technical field, concretely relates to cylinder air cleaner and ventilation unit.
Background
In the current society, rail transportation means mainly comprise transportation carriers such as diesel locomotives, electric locomotives, motor train units, high-speed rails, carriages of passenger cars and trucks, light rails, subways and the like, and road transportation means mainly comprise automobiles. Their normal operation requires the intake of a large amount of air to meet the requirements of combustion of the internal combustion engine, heat dissipation of electronic and mechanical components, and cooling of air conditioning and other facilities. Along with the suction of a large amount of air, a large amount of impurities such as sand, catkin, plant leaves, paper scraps, plastics and the like exist in the air, the impurities enter the air, the abrasion is caused to an internal combustion engine and the like, the service life of the internal combustion engine is shortened, and an air filter is required to be installed in an air supply channel in order to prevent the impurities from entering the air supply channel.
The existing air filter mostly adopts centrifugal force to separate impurities from air, and then filters through a filter element, thereby obtaining clean air. For example, cyclone filters operate on the principle of a device that uses centrifugal force to separate solid particles or liquid droplets from a gas stream. When the gas flow containing liquid or impurities enters the filter, the gas flow can generate strong vortex motion due to the design of the rotary vortex in the cyclone cylinder, so that strong centrifugal force is formed, and solid particles and liquid impurities are attached to the cyclone cylinder. The impurities are separated from the gas stream and accumulate in the dust zone of the vessel. The purified gas leaves the cyclone filter and enters one or more filter elements of the next stage to filter out small solid particles.
Above-mentioned air cleaner utilizes centrifugal force can filter great particulate matter impurity, plays certain dust removal effect, but can't detach tiny dust of tiny granule or the less impurity of proportion (especially floater such as plant piece, catkin, poplar wadding), especially in the heavy season of floating or the more season of feather wadding, a large amount of flocculent impurity gets into, easily causes air cleaner to block, influences the use of equipment such as internal-combustion engine. Therefore, the existing air filter has poor dust removal effect and low dust removal efficiency.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a cylinder air cleaner and ventilation unit of cylinder air cleaner, the device can provide clean air with large granule thing, particulate matter and floater and air separation steadily, just the utility model discloses a structure has further improved the airflow velocity of flow of dust removal passageway to dust collection efficiency has been improved.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a cylinder air cleaner, includes shell and the fixed air filter who is in the shell, air filter one end is the air intake with the atmosphere intercommunication, and other end fixedly connected with diameter is less than the dust removal mouth of air intake, air filter includes the cyclic annular water conservancy diversion piece that a plurality of parallel intervals set up, and is a plurality of the water conservancy diversion piece encloses synthetic dust removal passageway that is used for discharging to contain the impurity air along the shell axial, forms the water conservancy diversion passageway between the adjacent water conservancy diversion piece, and the passageway of airing exhaust that forms between water conservancy diversion piece and the shell inner wall, and the air gets into dust removal passageway through the air intake to discharge the air that will contain impurity through the dust removal mouth, clean air is followed the water conservancy diversion passageway gets into the passageway of airing exhaust and discharges.
The utility model discloses in, preferred, every the radial cross sectional area of water conservancy diversion piece is along being close to the direction of air intake crescent.
The utility model discloses in, preferred, the water conservancy diversion piece is the wing in cross section, the water conservancy diversion piece includes the drainage surface of outer convex and the water conservancy diversion face of level and smooth setting.
The utility model discloses in, preferably, be close to be provided with a plurality of archs that are used for providing the resistance for the air current on the shell inner wall of air intake.
The utility model discloses in, preferred, air filter is the axial cross-section and is reduced gradually by the air intake to the dust removal mouth direction round platform structure.
The utility model discloses in, it is further, form the passageway of airing exhaust that forms between water conservancy diversion piece and the shell inner wall, the passageway intercommunication of airing exhaust has the air outlet, and clean air gets into the passageway of airing exhaust from the water conservancy diversion passageway, discharges through the air outlet.
The utility model discloses in, it is further, air intake, dust removal passageway, dust removal mouth with the coaxial setting of shell.
The utility model discloses in, it is further, the water conservancy diversion piece passes through the mounting bracket to be fixed on the shell inner wall.
In the present invention, further, the protrusion may be provided intermittently or continuously.
The utility model discloses in, it is further, the dust removal mouth is connected with the induced air device that is used for increasing the interior gas velocity of flow of dust removal passageway.
The utility model discloses in still provide a ventilation unit, including at least one above-mentioned cylinder air cleaner.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an external air is introduced from the air intake to the air cleaner, the air removes dust after flowing into dust removal channel, clean air can get into the passageway discharge of airing exhaust along the water conservancy diversion passageway, the air that contains impurity can be discharged along with the air current through the dust removal mouth and get back to in the atmosphere, thereby the separation of clean air and impurity has been realized, provide clean air steadily, the impurity of having exempted from to gather blocks up the air cleaner, and can guarantee the long-time normal work under the condition of not clearing up, thereby reduce the change and the maintenance of air cleaner.
The utility model discloses in, the air gets into from the air intake, and the air flow rate of air intake is great relatively, and along dust removal passageway to the dust removal mouth direction in-process that flows, air flow rate can reduce, the utility model discloses the diameter that makes the air intake of hollow filter core is greater than the dust removal mouth, even whole air filter's cross-section is the round platform shape, at the air along the dust removal passageway flow in-process that narrows down gradually, the velocity of flow can not obviously descend, simultaneously, sets up the induced air device at the dust removal mouth, can provide power for the dust removal passageway, has increased the speed that the air flows to dust collection efficiency has further been promoted.
The utility model discloses an air filter core is whole to be set up in the shell and both coaxial settings, can prevent the air current diffusion by the exhaust passage who forms between shell and the water conservancy diversion piece to make the dust removal passageway form the air current easily, make the impurity in the air concentrate on the central line of dust removal passageway and flow, further improve dust removal effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention, which is shown in FIG. II;
FIG. 3 is a cross-sectional structural view of the present invention;
fig. 4 is a schematic structural view of the wing-shaped guide vane of the present invention;
fig. 5 is a schematic structural view of the linear guide vane of the present invention;
fig. 6 is a schematic structural view of the arc-shaped guide vane of the present invention;
fig. 7 is a schematic structural view of the protrusion of the present invention;
fig. 8 is a schematic structural view of the triangular ventilation device of the present invention;
fig. 9 is a schematic structural view of the quadrilateral ventilation device of the present invention.
In the figure: 1. a housing; 2. an air inlet; 3. an air filter element; 30. a flow deflector; 301. a drainage surface; 302. a flow guide surface; 4. a dust removal port; 5. a dust removal channel; 6. an air exhaust channel; 7. a protrusion; 8. a mounting frame; 80. a support ring; 81. supporting legs; 10. a flow guide channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a drum type air dust collector, which aims to improve the dust removing effect and dust removing efficiency of the air dust collector in the prior art.
The utility model provides a cylinder air cleaner, includes shell 1 and fixes the air filter 3 in shell 1, and 3 one end of air filter is air intake 2 with the atmosphere intercommunication, and other end fixedly connected with diameter is less than dust removal mouth 4 of air intake 2.
An air filter element 3 is fixedly installed in the housing 1, and the air filter element 3 is used for separating impurities in the air so as to discharge clean air. Atmospheric one end of the intercommunication of air filter 3 is the inlet end, for optimal design, the utility model discloses with 3 one end snap-fits of air filter on 1 inner wall of shell, air intake 2 is not drawn forth alone to air filter 3 promptly, makes 1 atmospheric one end of connecting of shell directly be air intake 2 to simplify structural design. One end of the air filter element 3, which is far away from the air inlet 2, is connected with a dust removal opening 4 with the diameter smaller than that of the air inlet 2, so that the whole section of the air filter element 3 is in a circular truncated cone shape.
Specifically, the air gets into from air intake 2, and the air flow rate of air intake 2 is great relatively, and the atmosphere is along 3 inside flow in-process of air filter, and the gas flow rate can reduce, the utility model discloses make the diameter of air intake 2 of hollow filter core be greater than dust removal mouth 4, even whole air filter 3's cross-section is the round platform shape, at the air along the 3 inside cavity flow in-process of the air filter who narrows down gradually, the velocity of flow can not obviously descend to the speed that the air flows has increased relatively, has improved dust collection efficiency.
The air filter element 3 comprises a plurality of annular flow deflectors 30 which are arranged in parallel at intervals, the flow deflectors 30 axially surround the shell 1 to form a dust removal channel 5, the dust removal channel 5 is mainly used for removing impurities in air, and the air containing the impurities is discharged back to the atmosphere from the dust removal port 4. A certain interval is formed between every two adjacent guide vanes 30 to form a guide passage 10, and an exhaust passage 6 is formed between the guide vanes 30 and the inner wall of the housing 1. The sum of the sectional areas of the flow guide channels 10 is greater than the sectional area of the air inlet, the radial sectional area of each flow guide sheet 3 gradually increases along the direction close to the air inlet pipe 2, that is, the radial section of each flow guide sheet 30 is an inclined plane inclined towards the direction of the air inlet 2, so that the air in the flow guide channels 10 flows in the inclined rear direction relative to the dust removal channel 5.
Specifically, the atmosphere enters the dust removal channel 5 through the air inlet 2 to form two parts, and one part of the air containing impurities enters and continues to move along the dust removal channel 5 and is discharged back to the atmosphere from the dust removal port 4. Another part of the clean air enters the exhaust channel 6 along the diversion channel 10 and is exhausted. Wherein, the air flow velocity of the dust removing port 4 is not less than the air flow velocity of the air outlet 9, so as to ensure the dust removing effect.
In this embodiment, the working principle of the air dust collector is as follows: when air flow with a certain speed exists in the outside air, the air inlet 2 faces the air flowing direction, so that the outside air enters the air filter element 3 from the air inlet 2. The outside air first enters the dust removing channel 5, and impurities exist in the air entering the dust removing channel 5. Because each guide plate has a certain inclination angle, a certain resistance can be generated to the airflow, so that the flow velocity of the side wall is slow, the wall pressure in the dust removing channel 5 is increased, namely the static pressure is increased, the relative flow velocity of the airflow center position of the dust removing channel 5 is fast, and the static pressure is small. Therefore, the impurities such as the particles, floccules, water drops and the like entrained by the airflow of the dust removing channel 5 flow along the central line direction of the dust removing channel 5 under the action of the wall pressure. And under the action of unequal static pressure, the impurities are easier to approach the direction of the central line of the dust removal channel 5, thereby being more beneficial to discharging the impurities from the dust removal port 4.
Meanwhile, in the dust removing channel 5, when passing through the position of the flow guide channel 10, a part of air enters the flow guide channel 10 and flows out of the air exhaust channel 6, and the part of air is clean air. The specific principle is as follows: because the sum of the sectional areas of the flow guide channels 10 is larger than that of the air inlet 2, and part of energy is lost when the air enters the flow guide channels 10, the air flow speed in the flow guide channels 10 is slower than that in the dust removal channel 5. Therefore, when the air flow containing the impurities in the dust removing channel 5 approaches the guide channel 10, the attraction force at the guide channel 10 is small, and the inertia of the movement of the impurities cannot be overcome, that is, the air flow speed in the dust removing channel 5 is higher than the air flow speed in the guide channel 10, so the impurities cannot enter the guide channel 10, and the clean air and the impurities can be separated by themselves. Wherein, the ratio or difference of the airflow speed in the flow guide channel 10 and the airflow speed in the dust removal channel 5 can be adjusted by adjusting the difference of the cross sections of the two channels and adding power sources such as fans and the like in the pipeline.
On the other hand, the air in the flow guide channel 10 flows obliquely backward relative to the air in the dust removal channel 5, a high-pressure area with a pressure greater than the central part of the air flow of the dust removal channel 5 is formed at the joint of the flow guide channel 10 and the dust removal channel 5, the high-pressure area can push the lighter impurities (such as floccules) which are trapped in the air flow of the dust removal channel 5 and close to the flow guide channel 10 back to the central position of the dust removal channel 5, so that the lighter impurities cannot enter the flow guide channel 10, and the lighter impurities can continuously move towards the dust removal opening 4 along with the air flow. And if the heavier impurities (such as sand grains) entrained in the airflow of the dust removing channel 5 reach the guide channel 10, the heavier impurities impact the inner wall of the guide channel 10 (namely the surface of the guide vane 30), are ejected back to the center of the dust removing channel 5, and keep moving towards the dust removing opening 4 due to the inertia of the heavier impurities, but do not move towards the guide channel 10 at the oblique rear. In addition, impurities (such as rainwater) with high moisture content in the airflow of the dust removing channel 5 can be atomized by the inner wall of the flow guide channel 10 if reaching the flow guide channel 10 and then pushed back to the central position of the dust removing channel 5 by the airflow.
Therefore, the clean air without impurities can enter the exhaust channel 6 from the flow guide channel 10, and the impurities such as particulate matters, floating matters and the like are discharged through the dust removal port 4 along with the airflow of the dust removal channel 5, so that the clean air and the impurities are separated by the air filter element 3. Provide clean air through this air filter 3 steadily, both avoided the impurity of gathering to block up air cleaner, saved the trouble of artifical clearance air cleaner again, practiced thrift manpower, material resources and financial resources to can guarantee to normally work for a long time under the condition of not clearing up.
In another embodiment of the present invention, preferably, as shown in fig. 4, the flow guiding plate 30 has a cross section of wing shape, specifically, the flow guiding plate 30 includes a convex flow guiding surface 301 and a smoothly arranged flow guiding surface 302, and the flow guiding surface 301 and the flow guiding surface 302 are smoothly connected to each other, the convex flow guiding surface 301 is a windward surface close to the dust removing channel 5, and the convex flow guiding surface 301 further increases resistance of air flow compared with a plane, so as to make impurities as less as possible close to the flow guiding channel 10. Meanwhile, the convex flow guide surfaces 301 enable a high pressure area to be formed above the flow guide surfaces 302 more easily, and the high pressure area between two adjacent flow guide surfaces 301 has a certain repulsion effect, so that impurities are kept on the middle line position of the dust removing channel 5. Meanwhile, the circumferential guide vanes 30 enable the impurities to be stressed uniformly without eccentricity, so that the impurities can be better concentrated on the central line of the dust removal channel 5. In another preferred embodiment provided by the present invention, as shown in fig. 5 and 6, the axial cross section of the baffle 30 is rectangular, arc-shaped or polygonal (not shown), and it only needs to satisfy the condition that the radial cross sectional area of the baffle 30 gradually increases along the direction close to the air inlet, and the above-mentioned baffle 30 with regular and smooth shape is simple in processing compared with the baffle 30 of the wing profile, which is convenient for the production and use of the baffle 30.
In another embodiment of the present invention, as shown in fig. 7, it is preferable that a plurality of protrusions 7 for providing resistance to the air flow are provided on the inner wall of the housing 1 near the air inlet 2. After the air flow enters from the air inlet 2, the bulge 7 provides certain resistance for the air flow, so that the wall pressure in the dust removing channel 5 is increased, and impurities in the air flow, particularly floccules, flow in the direction close to the central line of the dust removing channel 5 under the action of the wall pressure. The shape of the protrusion 7 is not limited to a large number, and may be trapezoidal, triangular, circular, semicircular or other irregular shapes, and only needs to play a certain role in blocking the flow velocity. Furthermore, the utility model discloses a arch 7 can be for setting up in succession or the interval sets up, and wherein, arch 7 that the interval set up is compared to arch 7 that sets up in succession can provide bigger resistance, specifically can set up according to actual need and the size of device in practical application.
In another preferred embodiment provided by the present invention, as shown in fig. 3, the protrusion 7 is configured to be trapezoidal, i.e. the radial cross section of the protrusion 7 is trapezoidal. For the relatively irregular shape, the processing technology of the regular-shaped bulge 7 is simple, and the practicability is strong. The contact area between the protrusion 7 with the rectangular cross section and the air inlet direction of the air inlet pipe 2 is the largest, so that the obstruction effect on the air flow is the largest, and the energy loss of the air flow is also the largest. And the triangular or circular shape has smaller resistance and relatively smaller energy loss. Therefore, as preferred scheme, the utility model discloses choose for use but the cross-section is trapezoidal arch 7, and trapezoidal inclined plane is relative with the air intake, when guaranteeing to realize higher hindrance effect to the air current, reduces the energy loss to the air current.
The utility model discloses an in another embodiment, it is preferred, be connected with the induced air device that is used for accelerating the velocity of flow at dust removal mouth 4, the induced air device can be for fan, air pump etc. not only can provide power for dust removal channel 5, has increased the speed that the air flows, has further promoted dust collection efficiency, and the velocity of flow that can guarantee dust removal mouth 4 simultaneously again is greater than air outlet 9, has improved dust removal effect. Simultaneously, when the external air current that does not satisfy needs, then need artificial manufacturing air current to satisfy the needs of air filter equipment work, can set up the induced air device in air intake 2 department, make this device can not rely on external air current and remove impurity, derive clean air to make the application scene of this device more extensive, and realized that air velocity is adjustable, the working process is more high-efficient.
The utility model discloses a in another embodiment, it is preferred, air intake 2, dust removal channel 5, dust removal mouth 4 and the coaxial setting of shell 1, so, realized that the axial removes dust and airs exhaust, the atmosphere is introduced from air intake 2 promptly, discharges after removing dust along dust removal channel 5, consequently, air intake 2, dust removal channel 5 and dust removal mouth 4 all are on a straight line, have realized the axial and have removed dust, the concentration of impurity when being convenient for remove dust has improved the dust removal effect.
In another embodiment of the present invention, it is preferable that both sides of the housing 1 are non-closed tubular structures, so as to facilitate the design of air inlet and air outlet. Wherein the air outlet is arranged as a gap between the inner wall of the shell 1 and the dust removal port 4 and is communicated with the air exhaust channel 6, so that the air outlet 9 is conveyed into a space needing clean air. Clean air enters the air exhaust channel 6 along the flow guide channel 10, and an air outlet of the air exhaust channel 6 is a gap between the shell 1 and the dust removal port 4, so that axial air exhaust is realized, and the air exhaust amount is increased.
Meanwhile, the cylindrical shell 1 structure prevents the airflow from diffusing under the action of the force generated by each airflow after the clean air enters the exhaust channel, so that the dust removal channel 5 is easy to form radial airflow, the impurities in the air can flow on the central line of the dust removal channel 5 conveniently, and the dust removal effect is further improved.
In another embodiment of the present invention, preferably, two sides of the housing 1 are closed tubular structures, and a plurality of air outlets are uniformly disposed on the tube wall of the housing 1, the shape of the air outlet is not limited, and can be circular, square, triangular, etc., and the air outlet is communicated with the air exhaust channel 6, so that multi-directional air exhaust can be realized.
In another embodiment of the present invention, preferably, the baffle 30 is fixed on the inner wall of the housing 1 by a mounting frame 8, in this embodiment, a triangular mounting frame 8 is provided to improve the stability of the installation of the baffle 30. Triangular mounting bracket 8 includes collar 80 and three supporting leg 81, three supporting leg 81 is fixed on collar 80, collar extension of collar 80 is used for installing dust removal mouth 4, be equipped with the installing port with 30 quantity assorted of water conservancy diversion piece on the three supporting leg 81, and the installing port ring is high upwards on the three supporting leg 81, can make 30 joints of water conservancy diversion piece on supporting leg 81 through the installing port, thereby realize assembling of water conservancy diversion piece 30, compare in integrative air filter 3 device, this device makes things convenient for the dismouting more.
Another embodiment of the present invention provides a ventilation device, including at least one above-mentioned cylinder air cleaner, it should be noted that, this ventilation device can be combined and arranged into any shape by the air cleaner of the present invention, as shown in fig. 8 and 9, it can be combined into a triangle shape by three, there can be four or more to combine into a quadrangle, rectangle, circle, etc., there is not too much limitation, the ventilation device formed after the combination can increase the ventilation volume, and the requirement of air dust removal filtration when the ventilation volume is large is satisfied. When concrete equipment again, can be fixed between a plurality of air cleaner, a plurality of fixed air cleaner outsides can be overlapped and be equipped with the shell body simultaneously, and the shape of specific shell body sets up according to the shape after the combination of a plurality of air cleaner of inside in reality, so not only increased ventilation unit's aesthetic property, the ventilation unit's of also being convenient for overall installation simultaneously.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. A drum-type air dust collector is characterized by comprising a cylindrical shell (1) and an air filter element (3) fixed in the shell (1), wherein one end of the air filter element (3) is provided with an air inlet (2) communicated with the atmosphere, the other end of the air filter element is fixedly connected with a dust removing opening (4) with the diameter smaller than that of the air inlet (2), and the air filter element (3) comprises a plurality of annular flow deflectors (30) arranged in parallel at intervals;
the guide vanes (30) axially surround the shell (1) to form a dust removal channel (5) for separating air containing impurities and clean air, a guide channel (10) is formed between adjacent guide vanes (30), the air enters the dust removal channel (5) through the air inlet (2) and is discharged through the dust removal port (4), and the clean air is discharged through the air exhaust channel (10).
2. A drum air cleaner according to claim 1, characterized in that the radial cross-sectional area of each of said guide vanes (30) increases gradually in a direction approaching said air inlet (2).
3. A drum air cleaner according to claim 2, characterized in that the guide vane (30) has an airfoil shape in axial cross-section, the guide vane (30) comprising an outwardly convex flow guiding surface (301) and a smoothly arranged flow guiding surface (302).
4. A drum air cleaner according to claim 3, characterized in that the inner wall of the housing (1) near the air inlet (2) is provided with protrusions (7) for providing resistance to the air flow.
5. A cartridge air cleaner in accordance with claim 1, wherein the air filter element (3) is a circular truncated cone structure with an axial cross section gradually decreasing from the air inlet (2) to the direction of the cleaning opening (4).
6. A drum type air cleaner according to claim 1, characterized in that the air exhaust channel (6) is formed between the guide vane (30) and the inner wall of the housing (1), the air exhaust channel (6) is connected with an air outlet, and clean air enters the air exhaust channel (6) from the guide channel (10) and is exhausted through the air outlet.
7. A drum air cleaner according to claim 1, characterized in that the air inlet (2), the cleaning channel (5), the cleaning opening (4) are arranged coaxially with the housing (1).
8. A drum air cleaner according to claim 1, characterized in that the guide vanes (30) are fixed to the inner wall of the housing (1) by means of mounting brackets (8).
9. A drum air cleaner according to claim 7, characterized in that the axial cross-section of the guide vanes (30) is rectangular, arc-shaped or polygonal.
10. A ventilation device comprising at least one air filter of the cartridge type of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121278431.6U CN214862085U (en) | 2021-06-08 | 2021-06-08 | Cylinder type air dust collector and ventilation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121278431.6U CN214862085U (en) | 2021-06-08 | 2021-06-08 | Cylinder type air dust collector and ventilation device |
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| CN214862085U true CN214862085U (en) | 2021-11-26 |
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| CN202121278431.6U Active CN214862085U (en) | 2021-06-08 | 2021-06-08 | Cylinder type air dust collector and ventilation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144783A (en) * | 2021-06-08 | 2021-07-23 | 中车（天津）轨道交通设备有限公司 | Cylinder type air dust collector and ventilation device |
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2021
- 2021-06-08 CN CN202121278431.6U patent/CN214862085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144783A (en) * | 2021-06-08 | 2021-07-23 | 中车（天津）轨道交通设备有限公司 | Cylinder type air dust collector and ventilation device |
| CN113144783B (en) * | 2021-06-08 | 2024-08-30 | 天津中鑫轨道交通设备有限公司 | Cylinder air dust remover and ventilation unit |
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Address after: 300000 East Area of No.1 Factory Building in Yard 5, Tongyuan Road, Wangwenzhuang Town, Xiqing District, Tianjin City Patentee after: Tianjin Zhongxin Rail Transit Equipment Co.,Ltd. Address before: No.2 Zhejiang Road, Ziya economic Circular Industrial Park, Jinghai District, Tianjin Patentee before: ZHONGCHE (TIANJIN) RAIL TRANSIT EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |