Multi-level composite cylinder dust removal device

Abstract

The utility model discloses a multi-level composite cylinder dust removal device, which belongs to the technical field of cotton processing dust removal, and comprises a first-level cyclone pre-impurity remover and a dust removal box body, the interior of the dust removal box body is divided into a front cavity and a rear cavity through a partition plate, a second-level disc filter is arranged in the front cavity, and a second-level disc filter is arranged in the rear cavity. A third-stage cylindrical dust filter is arranged in the rear cavity, and the first-stage cyclone pre-impurity-removing device is communicated with the front cavity through a dust discharging pipeline. The air treatment device is high in treatment efficiency and good in quality of air to be treated, not only can treat large-particle impurities in the air to be treated, but also can compress and recycle fibrous substances and particulate dust, and avoids waste of the fibrous substances and secondary pollution to a plant due to the fact that the device is arranged outdoors and is influenced by natural wind.

Description

Technical Field

[0001] The utility model belongs to the technical field of cotton processing dust removal, in particular to a multi-level composite cylinder dust removal device. Background Art

[0002] With the continuous development of agricultural machinery technology in China, almost all cotton in China is now recycled using machine-picked cotton. However, machine-picked cotton contains significantly more ash and impurities than traditional hand-picked seed cotton. Due to the high impurity content of machine-picked cotton and the pneumatic conveying method that generates dust emissions between processing steps, the cotton processing process generates a large amount of highly dusty and impurity-laden air. This air requires dust removal and purification to meet national emission standards.

[0003] Existing dust removal systems in cotton ginning plants mostly use a combination of shaklon and filter bags. Some use either for primary dust removal, while others utilize a combination of shaklon and filter bags, or a combination of shaklon and shaklon. Shaklon dust collectors are popular due to their simple structure, easy installation, and excellent removal of large impurities such as cotton shreds. However, they suffer from high resistance and poor removal of fibrous materials, resulting in less than ideal overall dust removal. Filter bags are effective for removing dust and fibrous materials, but their overall dust removal effectiveness is significantly compromised due to low air volume per unit area, frequent shaking and breakage, poor bag room environment, and inconvenient bag replacement.

[0004] Therefore, how to provide a dust removal device that can handle both large particle impurities and fibrous substances and dust while having a good working environment has become a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-level composite cylindrical dust removal device to solve the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose of the utility model, the technical solution adopted by the utility model is:

[0007] A multi-level composite cylindrical dust removal device includes: a first-stage cyclone pre-cleaner and a dust removal box. The interior of the dust removal box is divided into a front cavity and a rear cavity by a partition. A second-stage disc filter is provided in the front cavity, and a third-stage cylindrical dust filter is provided in the rear cavity. The first-stage cyclone pre-cleaner is connected to the front cavity through a dust exhaust pipe.

[0008] Preferably, the first-stage cyclone pre-cleaner comprises: a suction fan, the outlet end of the suction fan is connected to a cyclone separation cylinder, and the top end of the cyclone separation cylinder is connected to the front cavity through a dust exhaust pipe.

[0009] Preferably, the secondary disc filter includes: a disc filter, which is arranged in the mounting hole of the partition, and a first rotating suction arm is rotatably provided at the front end of the disc filter, and the first rotating suction arm is connected to a dust exhaust fan, and the outlet end of the dust exhaust fan is connected to a fiber compressor, and the dust exhaust fan and the fiber compressor are both arranged on the outer wall of the dust removal box.

[0010] Preferably, the three-stage cylindrical dust filter includes: a multi-layer filter trough, a second rotating suction arm is rotatably provided at the front end of the multi-layer filter trough, the second rotating suction arm is connected to a dust collecting fan, the outlet end of the dust collecting fan is connected to a bag dust collector, and a dust compressor is connected to the bottom of the bag dust collector, and the dust collecting fan, bag dust collector and dust compressor are all arranged on the outer wall of the dust removal box.

[0011] Preferably, a plurality of dust suction pipes are provided on the second rotating suction arm, and the plurality of dust suction pipes are evenly distributed in the gaps of the filter tanks of each layer.

[0012] Preferably, an air outlet is provided at the rear end of the dust removal box.

[0013] The multi-level composite drum dust removal device provided by the utility model has the following advantages compared with the prior art:

[0014] The utility model has high treatment efficiency and good quality for the treated air, and can not only treat large particle impurities in the treated air, but also compress and recover fibrous substances and particulate dust, thus avoiding the waste of fibrous substances and secondary pollution to the factory due to the device being arranged outdoors and affected by natural wind. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] In the figure: 1-first-stage cyclone pre-cleaner, 11-impurity suction fan, 12-cyclone separation cylinder, 2-dust removal box, 3-disc filter, 4-second-stage disc filter, 41-first rotary suction arm, 42-dust exhaust fan, 43-fiber compactor, 5-third-stage cylindrical dust filter, 51-filter trough, 52-second rotary suction arm, 53-dust collection fan, 54-bag dust collector, 55-dust compactor. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments:

[0019] refer to Figure 1 As shown, the utility model provides a multi-level composite cylindrical dust removal device, comprising: a first-stage cyclone pre-cleaner 1 and a dust removal box 2, the interior of the dust removal box 2 is divided into a front cavity and a rear cavity by a partition, a second-stage disc filter 4 is provided in the front cavity, and a third-stage cylindrical dust filter 5 is provided in the rear cavity, and the first-stage cyclone pre-cleaner 1 is connected to the front cavity through a dust exhaust pipe.

[0020] As a preferred embodiment, the first-stage cyclone pre-cleaner 1 includes: a suction fan 11, the outlet end of the suction fan 11 is connected to a cyclone separator 12, and the top end of the cyclone separator 12 is connected to the front cavity through a dust exhaust duct. The first-stage cyclone pre-cleaner 1 mainly filters, separates and collects large particles of impurities (cotton shells, large dust particles) in the dust-laden air. After the air to be treated containing cotton shells, fibrous materials and dust of varying sizes enters the cyclone separator 12 through the suction fan 11, a rotating airflow is formed due to the tangential angle of the air inlet pipe of the dust collector and the shape of the outer shell. Due to the difference in inertia and suspension speed, large particles of impurities are screened out from the lower end, while the airflow containing fine impurities such as fibrous materials will enter the secondary disc filter 4 through the area with lower air pressure in the middle of the cyclone.

[0021] As a preferred embodiment, the secondary disc filter 4 includes: a disc filter 3, the disc filter 3 is arranged in the mounting hole of the partition, the front end of the disc filter 3 is rotatably provided with a first rotating suction arm 41, the first rotating suction arm 41 is connected to a dust exhaust fan 42, the outlet end of the dust exhaust fan 42 is connected to a fiber compressor 43, and the dust exhaust fan 42 and the fiber compressor 43 are both arranged on the outer wall of the dust removal box 2. The secondary disc filter 4 mainly filters, separates, and collects fibrous substances in the processed air. After the air containing fibrous substances enters the front cavity of the dust removal box 2, the fibrous substances are retained on the disc filter 3, and the first rotating suction arm 41 uses the suction force of the dust exhaust fan 42 to suck it away, and the fiber compressor 43 separates and compresses it for discharge.

[0022] As a preferred embodiment, the three-stage cylindrical dust filter 5 includes: a multi-layer filter trough 51, a second rotating suction arm 52 is rotatably provided at the front end of the multi-layer filter trough 51, the second rotating suction arm 52 is connected to a dust collecting fan 53, the outlet end of the dust collecting fan 53 is connected to a bag dust collector 54, and a dust compactor 55 is connected below the bag dust collector 54. The dust collecting fan 53, the bag dust collector 54 and the dust compactor 55 are all arranged on the outer wall of the dust removal box 2. The second rotating suction arm 52 is provided with a plurality of dust suction pipes, and the plurality of dust suction pipes are evenly distributed in the gaps of each layer of the filter trough 51. The three-stage cylindrical dust filter 5 mainly filters, separates and collects particulate dust in the air after the secondary filtration. When the dust-laden air after the secondary filtration passes through the filter trough 51, the dust is retained on the surface of the filter material in the filter trough 51, and the purified air is discharged through the filter material. Each filter trough 51 is provided with a single-sided slit dust suction pipe connected to the second rotating suction arm 52. When the second rotating suction arm 52 performs a unidirectional rotation motion, the dust suction pipe completes an intermittent replacement action. By utilizing the suction effect of the dust collecting fan 53, each dust suction pipe removes the dust trapped on the surface of the filter material and sends it to the bag dust collector 54 for dust-gas separation. The dust is compressed by the dust compressor 55 and then discharged.

[0023] As a preferred embodiment, an air outlet is provided at the rear end of the dust removal box 2.

[0024] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0025] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0026] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.

Claims

1. A multi-level composite cylindrical dust removal device, characterized in that: include: A first-stage cyclone pre-cleaner (1) and a dust removal box (2), wherein the interior of the dust removal box (2) is divided into a front cavity and a rear cavity by a partition, a second-stage disc filter (4) is provided in the front cavity, and a third-stage cylindrical dust filter (5) is provided in the rear cavity, and the first-stage cyclone pre-cleaner (1) is connected to the front cavity through a dust exhaust pipe.

2. A multi-level composite cylindrical dust removal device according to claim 1, characterized in that: The first-stage cyclone pre-cleaner (1) comprises: a dust suction fan (11); the outlet end of the dust suction fan (11) is connected to a cyclone separation cylinder (12); the top end of the cyclone separation cylinder (12) is connected to the front cavity through a dust exhaust pipe.

3. The multi-level composite cylindrical dust removal device according to claim 1, characterized in that: The secondary disc filter (4) comprises: a disc filter (3), the disc filter (3) being arranged in a mounting hole of a partition, a first rotating suction arm (41) being rotatably arranged at the front end of the disc filter (3), the first rotating suction arm (41) being connected to a dust exhaust fan (42), the outlet end of the dust exhaust fan (42) being connected to a fiber compactor (43), and the dust exhaust fan (42) and the fiber compactor (43) being both arranged on the outer wall of the dust removal box (2).

4. The multi-level composite cylindrical dust removal device according to claim 1, characterized in that: The three-stage cylindrical dust filter (5) comprises: a multi-layer filter trough (51); a second rotary suction arm (52) is rotatably provided at the front end of the multi-layer filter trough (51); the second rotary suction arm (52) is connected to a dust collecting fan (53); the outlet end of the dust collecting fan (53) is connected to a bag dust collector (54); a dust compactor (55) is connected below the bag dust collector (54); the dust collecting fan (53), the bag dust collector (54) and the dust compactor (55) are all arranged on the outer wall of the dust removal box (2).

5. The multi-level composite cylindrical dust removal device according to claim 4, characterized in that: The second rotary suction arm (52) is provided with a plurality of dust suction pipes, and the plurality of dust suction pipes are evenly distributed in the gaps of the filter tanks (51) at each layer.

6. The multi-level composite cylindrical dust removal device according to claim 1, characterized in that: An air outlet is provided at the rear end of the dust removal box (2).

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