Asphalt flue gas purification treatment device

By introducing cleaning components and spiral guide plates into the asphalt fume purification device, the problem of filter clogging was solved, automated cleaning was achieved, and operating efficiency was improved.

CN224024541UActive Publication Date: 2026-03-24ZHEJIANG TIANLU ENG DESIGN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the existing technology for purifying asphalt fumes, the filter screen is easily clogged by solid particles, requiring manual cleaning, which is inconvenient.

Method used

Design an asphalt fume purification device that includes a filter container, an adsorption layer, a filter plate, and an inner tank. The filter plate is automatically cleaned by a cleaning component, and wastewater is discharged by a spiral guide plate to avoid filter clogging.

Benefits of technology

It enables automated cleaning of filter plates, avoids filter clogging, improves operational efficiency, and reduces manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an asphalt flue gas purification treatment device, which belongs to the technical field of flue gas treatment and comprises a filter container, and an adsorption layer, a filter plate and an inner tank body are sequentially arranged in an inner cavity of the filter container from top to bottom; the inner tank body is of a hollow structure, the top end of the inner tank body is conical, the filter plate is in a circular truncated cone shape, and filter holes of the filter plate are formed in the arc face of the filter plate. The filtering container is further provided with a cleaning assembly, and the cleaning assembly penetrates into the filtering container; a flow guide assembly is further arranged between the inner wall of the filtering container and the outer wall of the inner tank body. During use, smoke enters the filter container, firstly passes through the inner tank body and the filter plate and then passes through the adsorption layer, so that the steps of filtration and adsorption are realized, and when solid particles are accumulated on the filter plate, the filter plate is washed through the cleaning assembly, so that the cleaning effect is realized, and the filter plate is prevented from being blocked.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flue gas treatment, specifically is a pitch flue gas purification treatment device. BACKGROUND

[0002] Pitch flue gas is a harmful gas generated in the production or construction process of pitch, which contains solid particles, volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs) and other harmful substances. In low concentration and small scale scenarios, volatile organic compounds, polycyclic aromatic hydrocarbons and other substances are adsorbed by activated carbon after pretreatment, which has the advantage of high adsorption efficiency.

[0003] However, when the pretreated flue gas is introduced into the purification container, a certain amount of solid particles is carried in the flue gas. After filtering through the filter screen, the particles will accumulate on the filter screen, eventually causing the filter screen to be blocked, which needs to be cleaned manually, which is very inconvenient.

[0004] Therefore, we propose a pitch flue gas purification treatment device to solve the problems raised in the above.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the utility model, therefore, it may include prior art known by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims to provide a pitch flue gas purification treatment device to solve the problem of manual cleaning of the filter screen in the prior art.

[0007] To achieve the above purpose, the utility model provides a pitch flue gas purification treatment device, which comprises a filter container, an adsorption layer, a filter plate and an inner tank body are sequentially arranged in the inner cavity of the filter container from top to bottom.

[0008] The inner tank body is a hollow structure with a conical top end, the filter plate is a circular truncated cone, and the filter holes are arranged on the circular arc surface thereof.

[0009] The filter container is also provided with a cleaning assembly, which penetrates into the filter container and is evenly distributed on the filter plate.

[0010] The filter container inner wall and the inner tank body outer wall are also provided with a flow guide assembly, which penetrates out to the outside of the filter container.

[0011] The filter container is also provided with a control end, which is electrically connected with the cleaning assembly.

[0012] Preferably, the filter container comprises an outer tank body, a gas inlet pipe is fixedly installed at the bottom end of the outer tank body, and a gas outlet pipe is fixedly installed at the top end of the outer tank body.

[0013] The connecting point of the air inlet pipe and the outer tank body is concentric with the inner tank body.

[0014] Preferably, the cleaning assembly comprises a pressurizing unit and a cleaning unit.

[0015] The pressurizing unit is fixed on the outer wall of the outer tank body, and the cleaning unit is fixed on the inner wall of the outer tank body and communicates with the pressurizing unit.

[0016] Preferably, the pressurizing unit comprises a box body, a pressurizing pump is fixedly installed in the inner cavity of the box body, the input end of the pressurizing pump communicates with a water inlet pipe, and the output end communicates with a water outlet pipe, and the box body is fixedly installed on the outer wall of the outer tank body.

[0017] Preferably, the cleaning unit comprises an annular pipeline which is fixedly installed on the inner wall of the outer tank body, and a plurality of spray heads are distributed on the annular pipeline, the spray heads are located above the top surface of the filter plate and face the top edge of the filter plate, and the annular pipeline communicates with the water outlet pipe.

[0018] Preferably, the flow guide assembly comprises a spiral flow guide plate, and the lowest point of the spiral flow guide plate is fixedly installed with a blowdown pipe.

[0019] The spray head, the arc surface of the filter plate, the arc surface of the top end of the inner tank body and the spiral flow guide plate constitute a liquid flow path.

[0020] Preferably, the air inlet pipe, the air outlet pipe, the water outlet pipe and the blowdown pipe are all provided with control valves.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] (1) When the utility model is used, the flue gas enters the filter container, first passes through the inner tank body and the filter plate, and then passes through the adsorption layer, thereby realizing the steps of filtering and adsorbing, when solid particles accumulate on the filter plate, the filter plate is washed by the cleaning assembly, the cleaning effect is realized, blockage of the filter plate is avoided, manual cleaning is avoided, efficiency is improved, and the operation personnel can use conveniently.

[0023] (2) The utility model sets the spiral flow guide plate between the outer tank body and the inner tank body, after the filter plate is washed, the sewage mixed with solid particles is discharged from the blowdown pipe through the flow guiding effect of the spiral flow guide plate, and accumulation in the filter container is avoided.

[0024] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The overall structure schematic view of the present application is shown in the figure.

[0026] Figure 2 The front view of the present application is shown in the figure. Figure 1

[0027] Figure 3 The perspective sectional view of the present application is shown in the figure. Figure 1

[0028] Figure 4 The cross-sectional schematic view of the present application is shown in the figure. Figure 1

[0029] Figure 5 The sectional view of the pressurizing unit of the present application is shown in the figure.

[0030] In the figure: 1, filter container; 2, adsorption layer; 3, filter plate; 4, inner tank body; 5, cleaning assembly; 6, flow guide assembly; 7, control end; 8, control valve;

[0031] 11, outer tank body; 12, air inlet pipe; 13, air outlet pipe;

[0032] 51, pressurizing unit; 52, cleaning unit;

[0033] 511, box body; 512, pressurizing pump; 513, water inlet pipe; 514, water outlet pipe;

[0034] 521, annular pipeline; 522, spray head;

[0035] 61, spiral flow guide plate; 62, blowdown pipe. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. It should be pointed out that the drawings are schematic and are not drawn to scale. For the clarity and convenience in the figure, the relative size and proportion of the parts shown in the figure are exaggerated or reduced in size for illustration, and any size is only exemplary, rather than limiting.

[0037] Embodiment 1:

[0038] Please refer to Figure 1 and Figure 3 ​​​The utility model provides an asphalt flue gas purification treatment device, including: filter container 1, filter container 1 inner chamber from top to bottom is sequentially provided with adsorption layer 2, filter plate 3 and inner tank body 4, inner tank body 4 is hollow structure, the top is conical, filter plate 3 is circular truncated cone, and its filter hole is arranged on its arc surface, filter container 1 still is provided with cleaning assembly 5, and cleaning assembly 5 penetrates into filter container 1, and is evenly distributed on filter plate 3, filter container 1 inner wall and inner tank body 4 outer wall still are provided with flow guide assembly 6, and penetrate to the outside of filter container 1, filter container 1 still is equipped with control end 7, and is electrically connected with cleaning assembly 5.

[0039] By adopting the above technical scheme, when in use, the flue gas after pretreatment first passes through the inner cavity of the inner tank body 4 and rises, then passes through the filter plate 3 for filtration, and then passes through the adsorption layer.

[0040] After a certain period of time, a large amount of solid particles is accumulated on the arc surface of the filter plate 3, and the filter plate 3 can be cleaned by water flushing through the cleaning assembly 5, so that the filter plate 3 is prevented from being blocked.

[0041] Please refer to Figure 2 , the filter container 1 includes an outer tank body 11, a gas inlet pipe 12 is fixedly installed at the bottom end of the outer tank body 11, and a gas outlet pipe 13 is fixedly installed at the top end of the outer tank body 11; the connection point of the gas inlet pipe 12 and the outer tank body 11 is concentric with the inner tank body 4.

[0042] Please refer to Figures 3-5 , the cleaning assembly 5 includes a pressurizing unit 51 and a cleaning unit 52; the pressurizing unit 51 is fixed to the outer wall of the outer tank body 11, and the cleaning unit 52 is fixed to the inner wall of the outer tank body 11 and communicates with the pressurizing unit 51.

[0043] The pressurizing unit 51 includes a box body 511, a pressurizing pump 512 is fixedly installed in the inner cavity of the box body 511, a water inlet pipe 513 communicates with the input end of the pressurizing pump 512, and a water outlet pipe 514 communicates with the output end of the pressurizing pump 512; the box body 511 is fixedly installed on the outer wall of the outer tank body 11.

[0044] The cleaning unit 52 includes an annular pipeline 521, which is fixedly installed on the inner wall of the outer tank body 11 and has a plurality of nozzles 522 distributed thereon; the nozzles 522 are located above the top surface of the filter plate 3 and face the top surface edge of the filter plate 3; the annular pipeline 521 communicates with the water outlet pipe 514.

[0045] The flow guide assembly 6 includes a spiral flow guide plate 61, and a blowdown pipe 62 is fixedly installed at the lowest point of the spiral flow guide plate 61; the nozzles 522, the arc surface of the filter plate 3, the arc surface of the top end of the inner tank body 4, and the spiral flow guide plate 61 constitute a liquid flow path.

[0046] By adopting the above technical scheme, after water supply of the pressurizing unit 51 and cleaning of the cleaning unit 52, the sewage with solid particles flows from top to bottom and is finally discharged through the sewage discharge pipe 62 at the bottom end of the spiral flow guide plate 61, so that the solid particles can be avoided from being blocked in the outer tank body 11. Meanwhile, the opening size of the top surface of the inner tank body 4 is smaller than the size of the top plane of the filter plate 3, so that the water during cleaning can be avoided from entering the inner tank body 4.

[0047] The air inlet pipe 12, the air outlet pipe 13, the water outlet pipe 514 and the sewage discharge pipe 62 are all provided with control valves 8.

[0048] Embodiment 2:

[0049] The bottom end of the outer tank body 11 is further provided with a tapered structure with an area gradually increasing from bottom to top and is connected with the end of the air inlet pipe 12, so that the gas entering through the air inlet pipe 12 can be more uniformly distributed in the outer tank body 11.

[0050] Working principle: in use, after the flue gas enters, the flue gas firstly passes through the top opening of the inner tank body 4, then passes through the filter plate 3 to realize the filtration of solid particles, and then the flue gas is discharged after being adsorbed by the adsorption layer 2. After a certain amount of solid substances are accumulated on the filter plate 3, the water is discharged through the cleaning assembly 5, and the sewage is discharged through the flow guide assembly 6.

[0051] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein. The contents not described in detail in the description all belong to the prior art known by the person skilled in the art.

[0052] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. The meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0053] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation. For ordinary skilled person in the art, the above terms can be understood according to the specific meaning in the utility model of the specific circumstances.

[0054] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation. For ordinary skilled person in the art, the above terms can be understood according to the specific meaning in the utility model of the specific circumstances.

[0055] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples without conflict.

[0056] The utility model discloses the embodiment figure in, only relate to the structure involved in the disclosure embodiment, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined mutually.

[0057] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An asphalt fume purification treatment device characterized by comprising: The filter container (1) comprises an adsorption layer (2), a filter plate (3) and an inner tank body (4) arranged in the cavity of the filter container (1) from top to bottom. The inner tank body (4) is a hollow structure with a conical top end, and the filter plate (3) is a circular truncated cone with filter holes arranged on the arc surface thereof. The filter container (1) is further provided with a cleaning assembly (5) penetrating into the filter container (1) and uniformly distributed on the filter plate (3). The filter container (1) is further provided with a flow guide assembly (6) between the inner wall of the filter container (1) and the outer wall of the inner tank body (4) and penetrating out of the filter container (1). The filter container (1) is further provided with a control end (7) electrically connected with the cleaning assembly (5).

2. The device for treating exhaust gas of asphalt according to claim 1, characterized in that: The filter container (1) comprises an outer tank body (11) with an air inlet pipe (12) fixedly installed at the bottom end and an air outlet pipe (13) fixedly installed at the top end. The connecting point of the air inlet pipe (12) and the outer tank body (11) is concentric with the inner tank body (4).

3. The device for cleaning bitumen fumes according to claim 2, characterized in that: The cleaning assembly (5) comprises a pressurizing unit (51) and a cleaning unit (52). The pressurizing unit (51) is fixed to the outer wall of the outer tank body (11), and the cleaning unit (52) is fixed to the inner wall of the outer tank body (11) and communicates with the pressurizing unit (51).

4. The device for cleaning bitumen fumes according to claim 3, characterized in that: The pressurizing unit (51) comprises a box body (511) with a pressurizing pump (512) fixedly installed in the cavity thereof, an inlet water pipe (513) communicated with the input end of the pressurizing pump (512), and an outlet water pipe (514) communicated with the output end of the pressurizing pump (512), and the box body (511) is fixedly installed on the outer wall of the outer tank body (11).

5. The device for cleaning bitumen fumes according to claim 4, characterized in that: The cleaning unit (52) comprises an annular pipeline (521) fixedly installed on the inner wall of the outer tank body (11), and a plurality of spray heads (522) are distributed on the annular pipeline (521), and the spray heads (522) are located above the top surface of the filter plate (3) and face the top surface edge, and the annular pipeline (521) communicates with the outlet water pipe (514).

6. The device for cleaning bitumen fumes according to claim 5, characterized in that: The flow guide assembly (6) comprises a spiral flow guide plate (61) with a sewage pipe (62) fixedly installed at the lowest point of the spiral flow guide plate (61). The spray head (522), the arc surface of the filter plate (3), the arc surface of the top end of the inner tank body (4) and the spiral flow guide plate (61) constitute a liquid flow path.

7. The device for cleaning bitumen fumes according to claim 6, characterized in that: The air inlet pipe (12), the air outlet pipe (13), the outlet water pipe (514) and the sewage pipe (62) are all provided with control valves (8).