Gas-dust separation device and pipeline dust removal system

Abstract

The present invention provides a gas-dust separation device and a pipeline dust removal system, which relate to the technical field of pipeline dust removal, and include: a first outer shell inner layer and a first spiral component; since the first spiral component located in the first outer shell inner layer has a diffusion part and a reflection part, the dust-containing gas blown to the diffusion part is guided by the diffusion part and flows to the inner wall of the first outer shell inner layer, and the particulate matter in the dust-containing gas passes through the first outer shell inner layer, and the dust-containing gas continues to flow along the inner wall of the first outer shell inner layer, and the inner wall of the first outer shell inner layer blocks the dust-containing gas and makes the dust-containing gas flow to the reflection part, and the reflection part changes the flow direction of the dust-containing gas and makes the dust-containing gas flow to the air outlet of the first outer shell inner layer and be discharged through the air outlet, thereby alleviating the technical problem that the dust removal equipment has a great influence on the air flow movement in the original pipeline and affects the gas transportation in the original pipeline in the prior art, and realizes the technical effect of reducing the influence of the dust removal equipment on the air flow in the pipeline during the pipeline dust removal process.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline dust removal, and in particular to a gas-dust separation device and a pipeline dust removal system. Background Art

[0002] In industrial production, fine dust is generated during material processing. As time goes by, dust accumulates in the dust exhaust pipe, blocking the pipe. Ordinary dust removal equipment often fails to meet the requirements. Nowadays, pipeline dust removal mainly relies on the huge suction force generated by the fan to remove dust from the pipeline. However, some pipelines are laid out at a large distance, and the dust removal wind force is insufficient. A large amount of dust is deposited in the pipeline, requiring manual regular removal of the pipeline, cleaning and dust removal, which consumes a lot of manpower and material resources.

[0003] In the use of pipelines to transport medium and low pressure natural gas, although the gas quality meets national standards, solid particles often exist due to incomplete purge after pipeline installation. Some pipelines are connected to old steel pipes that have been in use for a long time and are seriously corroded, which inevitably causes a small amount of solid particles to exist in the pipeline. When transporting liquefied petroleum gas and artificial coal gas, the gas may also contain liquid particles. Therefore, it is urgent to install dust removal equipment.

[0004] However, the existing dust removal equipment has a great influence on the air flow movement in the original pipeline, and is likely to affect the gas transportation in the original pipeline. Summary of the invention

[0005] The purpose of the present invention is to provide a gas-dust separation device and a pipeline dust removal system to alleviate the technical problem that the dust removal equipment in the prior art has a great influence on the air flow movement in the original pipeline and easily affects the gas transportation in the original pipeline.

[0006] In a first aspect, the present invention provides a gas-dust separation device, comprising: a first housing inner layer and a first spiral member;

[0007] The first shell inner layer has a containing cavity for allowing dust-laden gas to flow, the first spiral member is disposed in the containing cavity, and the first spiral member has a diffuser and a reflector, the diffuser being configured to allow the dust-laden gas in the containing cavity to flow toward the outer wall of the first shell inner layer, so that particles in the dust-laden gas pass through the first shell inner layer;

[0008] The first shell inner layer can make the dust-laden gas flow toward the reflecting portion, and the reflecting portion can make the dust-laden gas flow toward the gas outlet on the first shell inner layer.

[0009] In an optional embodiment, the first spiral member includes a fixed body; and the reflecting portion is disposed on a side of the fixed body close to the air outlet.

[0010] In an optional embodiment, the diffuser includes a spiral blade; the spiral blade is arranged on a side of the fixed body away from the air outlet on the inner layer of the first shell, and a plurality of the spiral blades are symmetrically arranged along the axis of the fixed body.

[0011] In an optional embodiment, the gas-dust separation device further includes a second outer shell inner layer; the second outer shell inner layer extends into the first outer shell inner layer through an air outlet on the first outer shell inner layer, and the first outer shell inner layer is connected to the second outer shell inner layer.

[0012] In an optional embodiment, a first connecting edge is provided on the first outer shell inner layer; the first connecting edge is connected to the second outer shell inner layer at one end away from the first outer shell inner layer, and the first connecting edge is configured to be able to change the flow direction of the dust-laden gas so that the dust-laden gas flows toward the reflecting portion.

[0013] In an optional embodiment, the gas-dust separation device further includes a second spiral component; the second spiral component is disposed in the inner layer of the second outer shell.

[0014] In an optional embodiment, the gas-dust separation device also includes an outlet pipe; one end of the outlet pipe extends into the inner layer of the second outer shell, the inner layer of the second outer shell is provided with a second connecting edge, the second connecting edge is connected to the outlet pipe, and the second connecting edge is configured to be able to change the flow direction of the dust-laden gas so that the dust-laden gas flows to the second spiral member.

[0015] In an optional embodiment, the gas-dust separation device also includes a first outer shell layer; the first outer shell layer is sleeved on the first inner shell layer, and a first through hole is provided on the first inner shell layer, and the particulate matter in the dust-containing gas in the first inner shell layer passes through the first through hole into the first outer shell layer.

[0016] In an optional embodiment, the gas-dust separation device also includes a second outer shell layer; the second outer shell layer is sleeved on the second inner shell layer, and a second through hole is provided on the second inner shell layer, and the particulate matter in the dust-containing gas in the second inner shell layer passes through the second through hole into the second outer shell layer.

[0017] In a second aspect, the pipeline dust removal system provided by the present invention includes the gas-dust separation device.

[0018] The gas-dust separation device provided by the present invention comprises: a first outer shell inner layer and a first spiral component; since the first spiral component located in the first outer shell inner layer has a diffusion part and a reflection part, the dust-containing gas blown toward the diffusion part is guided through the diffusion part and flows toward the inner wall of the first outer shell inner layer, the particulate matter in the dust-containing gas passes through the first outer shell inner layer, the dust-containing gas continues to flow along the inner wall of the first outer shell inner layer, the inner wall of the first outer shell inner layer blocks the dust-containing gas and makes the dust-containing gas flow toward the reflection part, the reflection part changes the flow direction of the dust-containing gas and makes the dust-containing gas flow toward the air outlet of the first outer shell inner layer and be discharged through the air outlet, thereby alleviating the technical problem in the prior art that the dust removal equipment has a great influence on the air flow movement in the original pipeline and is easy to affect the gas transportation in the original pipeline, and realizes the technical effect of not affecting the discharge direction of the gas and reducing the influence of the dust removal equipment on the air flow in the pipeline during the dust removal process in the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A cross-sectional view of the overall structure of the gas-dust separation device provided in an embodiment of the present invention;

[0021] Figure 2 A schematic structural diagram of a first spiral component in a gas-dust separation device provided in an embodiment of the present invention;

[0022] Figure 3 A schematic diagram of the overall structure of the gas-dust separation device provided in an embodiment of the present invention.

[0023] Icon: 100 - first shell inner layer; 110 - first connecting edge; 200 - first spiral member; 210 - diffusion part; 220 - reflection part; 230 - fixed body; 300 - second shell inner layer; 310 - second connecting edge; 400 - second spiral member; 500 - air outlet pipe; 600 - first shell outer layer; 700 - second shell outer layer. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0031] like Figure 1As shown, the gas-dust separation device provided in this embodiment includes: a first shell inner layer 100 and a first spiral component 200; the first shell inner layer 100 has a containing cavity that can allow dust-containing gas to flow, the first spiral component 200 is arranged in the containing cavity, the first spiral component 200 has a diffusion part 210 and a reflection part 220, the diffusion part 210 is configured to enable the dust-containing gas in the containing cavity to flow toward the outer wall of the first shell inner layer 100, so that the particulate matter in the dust-containing gas passes through the first shell inner layer 100; the first shell inner layer 100 can enable the dust-containing gas to flow to the reflection part 220, and the reflection part 220 can enable the dust-containing gas to flow to the outlet on the first shell inner layer 100.

[0032] Specifically, the first shell inner layer 100 has a accommodating cavity, which is connected to the air inlet pipe. The dust-containing gas enters the accommodating cavity in the first shell inner layer 100 through the air inlet pipe. The first spiral member 200 is located in the accommodating cavity. The first spiral member 200 has a diffuser 210 on the side close to the air inlet pipe, and has a reflector 220 on the side away from the air inlet pipe. The dust-containing gas entering the accommodating cavity along the air inlet pipe changes the gas flow direction through the diffuser 210. The dust-containing gas changes direction through the diffuser 210. Afterwards, it flows toward the inner wall of the first shell inner layer 100. Under the action of centrifugal force and inertial force, the particles are separated from the gas. The particulate matter in the dust-containing gas passes through the first shell inner layer 100, and the gas continues to flow along the inner wall of the first shell inner layer 100 to achieve a gas-dust separation effect. The inner wall of the first shell inner layer 100 blocks the continued flow of the dust-containing gas, so that the dust-containing gas moves toward the direction of the reflecting part 220. After the dust-containing gas is blocked by the reflecting part 220, the dust-containing gas moves toward the air outlet of the first shell inner layer 100.

[0033] It should be noted that the axis of the air outlet of the first shell inner layer 100 overlaps with the axis of the air inlet pipe. The dust-containing gas after the flow direction is changed by the reflection part 220 enters the air outlet of the first shell inner layer 100, so that the gas transmission position of the air inlet pipe is at the same height as the gas outlet position after gas and dust separation, thereby achieving the technical effect of reducing the impact on air flow movement during gas-dust separation.

[0034] The gas-dust separation device provided in this embodiment includes: a first shell inner layer 100 and a first spiral component 200; since the first spiral component 200 located in the first shell inner layer 100 has a diffuser 210 and a reflector 220, the dust-containing gas blown toward the diffuser 210 is guided by the diffuser 210 and flows toward the inner wall of the first shell inner layer 100, and the particulate matter in the dust-containing gas passes through the first shell inner layer 100, and the dust-containing gas continues to flow along the inner wall of the first shell inner layer 100, and the inner wall of the first shell inner layer 100 blocks the dust-containing gas, so that the dust-containing gas flows toward the reflector 220, and the reflector 220 changes the flow direction of the dust-containing gas, so that the dust-containing gas flows toward the air outlet of the first shell inner layer 100 and is discharged through the air outlet, thereby alleviating the technical problem that the dust removal equipment in the prior art has a large influence on the air flow movement in the original pipeline and is easy to affect the gas transportation of the original pipeline, and achieves the technical effect of not affecting the discharge direction of the gas during the pipeline dust removal process and reducing the influence of the dust removal equipment on the air flow in the pipeline.

[0035] Based on the above embodiments, Figure 2 As shown, in an optional implementation manner, the first spiral member 200 in the gas-dust separation device provided in this embodiment includes a fixed body 230; a reflective portion 220 is provided on one side of the fixed body 230 close to the gas outlet.

[0036] Specifically, the shape of the fixed body 230 is specifically set to be an umbrella cone, the apex of the umbrella cone is close to the air inlet pipe, and the side of the umbrella cone fixed body 230 away from the air inlet pipe is the reflecting part 220. The shape characteristics of the umbrella cone are utilized to form a shape that can converge the dust-containing gas toward the air outlet, so that the dust-containing gas is reflected and converged to the direction of the air outlet of the first shell inner layer 100 by utilizing the reflecting part 220.

[0037] In an optional embodiment, the diffuser 210 includes a spiral blade; the spiral blade is disposed on a side of the fixed body 230 away from the air outlet on the first shell inner layer 100 , and a plurality of spiral blades are symmetrically disposed along the axis of the fixed body 230 .

[0038] Specifically, a plurality of spiral blades are provided on one side of the fixed body 230 close to the air inlet pipe, and the plurality of spiral blades form a diffuser 210 . The dust-laden gas entering the accommodating cavity from the air inlet pipe flows toward the inner wall of the first shell inner layer 100 after passing through the plurality of spiral blades.

[0039] In an optional embodiment, the gas-dust separation device further includes a second shell inner layer 300 ; the second shell inner layer 300 extends into the first shell inner layer 100 through the air outlet on the first shell inner layer 100 , and the first shell inner layer 100 is connected to the second shell inner layer 300 .

[0040] Specifically, the second shell inner layer 300 is arranged on a side of the first shell inner layer 100 away from the air inlet pipe, the diameter of the second shell inner layer 300 is smaller than the diameter of the first shell inner layer 100, and the air inlet end of the second shell inner layer 300 extends into the first shell inner layer 100, and the dust-containing gas enters the second shell inner layer 300 after the gas flow direction is changed by the reflecting part 220.

[0041] In an optional embodiment, a first connecting edge 110 is provided on the first shell inner layer 100 ; the first connecting edge 110 is connected to the second shell inner layer 300 at one end away from the first shell inner layer 100 , and the first connecting edge 110 is configured to be able to change the flow direction of the dust-containing gas so that the dust-containing gas flows toward the reflecting part 220 .

[0042] Specifically, a first connecting edge 110 is arranged on one side of the first shell inner layer 100 close to the second shell inner layer 300, and the first connecting edge 110 fixes the second shell inner layer 300. An angle is formed between the first connecting edge 110 and the inner wall of the first shell inner layer 100, and the dust-containing gas whose flow direction is changed by the diffuser 210 flows along the inner wall of the first shell inner layer 100 toward the first connecting edge 110. The first connecting edge 110 blocks the flow of the dust-containing gas, and causes the dust-containing gas to flow toward the reflecting part 220, and then flows into the second shell inner layer 300 after the flow direction is changed by the reflecting part 220.

[0043] In an optional embodiment, the gas-dust separation device further includes a second spiral member 400 ; the second spiral member 400 is disposed in the second outer shell inner layer 300 .

[0044] Specifically, a second spiral member 400 is disposed in the accommodation cavity in the second shell inner layer 300 . The second spiral member 400 has the same structure as the first spiral member 200 . In order to adapt to the accommodation space in the second shell inner layer 300 , the structural size of the second spiral member 400 is smaller than the structural size of the first spiral member 200 .

[0045] The second spiral member 400 also first makes the dust-containing gas flow to the inner wall of the second shell inner layer 300, and rotates. Under the action of centrifugal force and inertial force, the particles in the dust-containing gas pass through the second shell inner layer 300, and the separated gas continues to flow along the inner wall of the second shell inner layer 300, and flows to the second spiral member 400 after being blocked by the inner wall of the second shell inner layer 300. After the second spiral member 400 changes the flow direction, it flows to the outlet end of the second shell inner layer 300, achieving a second separation of the dust-containing gas in the pipeline, thereby improving the dust removal efficiency. This equipment is easy to install, has a simple structure, does not require frequent maintenance, and saves manpower and material resources.

[0046] In an optional embodiment, the gas-dust separation device also includes an outlet pipe 500; one end of the outlet pipe 500 extends into the second outer shell inner layer 300, and the second outer shell inner layer 300 is provided with a second connecting edge 310, and the second connecting edge 310 is connected to the outlet pipe 500, and the second connecting edge 310 is configured to be able to change the flow direction of the dust-containing gas so that the dust-containing gas flows to the second spiral member 400.

[0047] Specifically, the diameter of the gas outlet pipe 500 is smaller than the diameter of the second shell inner layer 300 , and the gas outlet pipe 500 extends into the second shell inner layer 300 . The gas whose flow direction is changed by the second spiral member 400 is discharged through the gas outlet pipe 500 .

[0048] The second shell inner layer 300 is also provided with a second connecting edge 310, and an angle is formed between the second connecting edge 310 and the inner wall of the second shell inner layer 300. The second connecting edge 310 can be used to fix the gas outlet pipe 500 and change the flow direction of the gas flowing along the second shell inner layer 300, so that the gas moves toward the second spiral member 400.

[0049] The gas-dust separation device provided in this embodiment changes the flow direction of the gas flowing along the first shell inner layer 100 by setting the first connecting edge 110 on the first shell inner layer 100 , so that the gas moves toward the reflecting part 220 on the first spiral member 200 .

[0050] Based on the above embodiment, in an optional implementation manner, as Figure 3 As shown, the gas-dust separation device provided in this embodiment also includes a first outer shell layer 600; the first outer shell layer 600 is sleeved on the first inner shell layer 100, and a first through hole is provided on the first inner shell layer 100, and the particulate matter in the dust-containing gas in the first inner shell layer 100 passes through the first through hole into the first outer shell layer 600.

[0051] Specifically, the first outer shell layer 600 is sleeved on the outer surface of the first inner shell layer 100, and a plurality of first through holes are arranged on the first inner shell layer 100. The dust-containing gas is changed to flow toward the inner wall of the first inner shell layer 100 through the diffuser 210, and the particles of the dust-containing gas pass through the first through holes and enter the first outer shell layer 600. The bottom of the first outer shell layer 600 is connected to the dust collecting box, and the particles fall freely into the dust collecting box due to their own gravity, and the particles are collected.

[0052] In an optional embodiment, the gas-dust separation device also includes a second outer shell layer 700; the second outer shell layer 700 is sleeved on the second inner shell layer 300, and a second through hole is provided on the second inner shell layer 300, and the particulate matter in the dust-containing gas in the second inner shell layer 300 passes through the second through hole into the second outer shell layer 700.

[0053] Specifically, the second outer shell layer 700 is sleeved on the outer surface of the second outer shell inner layer 300, the second outer shell layer 700 has the same structure as the first outer shell layer 600, the structural dimensions of the second outer shell layer 700 are smaller than the structural dimensions of the first outer shell layer 600, and the bottom of the second outer shell layer 700 is connected to the dust collecting box, and the particulate matter passes through the second through hole into the second outer shell layer 700 and falls freely into the dust collecting box.

[0054] The gas-dust separation device provided in this embodiment collects the particles separated from the gas and dust by means of the first outer shell layer 600, the second outer shell layer 700 and the dust collecting box.

[0055] The pipeline dust removal system provided in this embodiment includes a gas-dust separation device.

[0056] Since the technical effect of the pipeline dust removal system provided in this embodiment is the same as the technical effect of the above-mentioned gas-dust separation device, it will not be repeated here.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A gas-dust separation device, It is characterized in that include: A first housing inner layer (100) and a first spiral member (200); The first shell inner layer (100) has a containing cavity capable of allowing dust-containing gas to flow, the first spiral component (200) is arranged in the containing cavity, the first spiral component (200) has a diffusion part (210) and a reflection part (220), the diffusion part (210) being configured to enable the dust-containing gas in the containing cavity to flow toward the outer wall of the first shell inner layer (100), so that particles in the dust-containing gas pass through the first shell inner layer (100); The first shell inner layer (100) can make the dust-containing gas flow toward the reflecting portion (220), and the reflecting portion (220) can make the dust-containing gas flow toward the gas outlet on the first shell inner layer (100); The first spiral member (200) comprises a fixing body (230); The reflecting portion (220) is provided on a side of the fixing body (230) close to the air outlet; The diffuser (210) comprises a spiral blade; The spiral blade is arranged on a side of the fixed body (230) away from the air outlet on the first shell inner layer (100), and a plurality of the spiral blades are symmetrically arranged along the axis of the fixed body (230); The shape of the fixed body (230) is specifically set to be an umbrella cone, the apex of the umbrella cone is close to the air intake duct, and the side of the umbrella cone fixed body (230) away from the air intake duct is the reflection part (220); The gas-dust separation device further comprises a second shell inner layer (300); The second shell inner layer (300) extends into the first shell inner layer (100) through the air outlet on the first shell inner layer (100), and the first shell inner layer (100) is connected to the second shell inner layer (300); A first connecting edge (110) is provided on the first shell inner layer (100); One end of the first connecting edge (110) away from the first shell inner layer (100) is connected to the second shell inner layer (300), and the first connecting edge (110) is configured to be able to change the flow direction of the dust-containing gas so that the dust-containing gas flows towards the reflecting part (220).

2. The gas-dust separation device according to claim 1, It is characterized in that The gas-dust separation device further comprises a second spiral member (400); The second spiral member (400) is disposed within the second shell inner layer (300).

3. The gas-dust separation device according to claim 2, It is characterized in that The gas-dust separation device further comprises a gas outlet duct (500); One end of the gas outlet pipe (500) extends into the second shell inner layer (300), and the second shell inner layer (300) is provided with a second connecting edge (310), the second connecting edge (310) is connected to the gas outlet pipe (500), and the second connecting edge (310) is configured to be able to change the flow direction of the dust-containing gas so that the dust-containing gas flows toward the second spiral member (400).

4. The gas-dust separation device according to claim 1, It is characterized in that The gas-dust separation device further comprises a first outer shell layer (600); The first outer shell layer (600) is sleeved on the first inner shell layer (100), and the first inner shell layer (100) is provided with a first through hole, and particles in the dust-containing gas in the first inner shell layer (100) enter the first outer shell layer (600) through the first through hole.

5. The gas-dust separation device according to claim 1, It is characterized in that The gas-dust separation device further comprises a second outer shell layer (700); The second outer shell layer (700) is sleeved on the second inner shell layer (300), and a second through hole is provided on the second inner shell layer (300), and particles in the dust-containing gas in the second inner shell layer (300) enter into the second outer shell layer (700) through the second through hole.

6. A pipeline dust removal system, It is characterized in that It comprises the gas-dust separation device as described in any one of claims 1 to 5.

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