Waste gas treatment device capable of being used for shot blasting and rust removal of beret pieces

By designing an exhaust gas treatment device that includes an outer iron box, multiple layers of fine-mesh filter cotton, and a dust collection box, the problems of low exhaust gas filtration efficiency and high treatment cost during the shot blasting and rust removal process of Bailey plates were solved, achieving efficient exhaust gas treatment and resource utilization of solid impurities.

CN224024576UActive Publication Date: 2026-03-24JIANGSU SUJIAN ROAD & BRIDGE MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, the waste gas generated during the shot blasting process of Bailey plates has low filtration efficiency, making it difficult to effectively classify and utilize solid impurities, and the processing cost is high.

Method used

Design an exhaust gas treatment device comprising an outer metal box, multiple layers of fine-mesh filter cotton, and a dust collection box. The device achieves layered filtration of exhaust gas and precise collection of solid impurities through multi-layer filtration and an electric air pump, and uses a blower connected to a pipeline to circulate the exhaust gas.

Benefits of technology

It significantly improves exhaust gas filtration efficiency, reduces pollutant emissions, enables precise classification and resource utilization of solid impurities, and lowers treatment costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The waste gas treatment device comprises an outer iron sheet box, the right side of the outer iron sheet box is provided with a shot blasting machine waste gas filtering air inlet facilitating waste gas entering, the left side of the outer iron sheet box is provided with a fixing frame, an air blower and a shot blasting machine waste gas filtering air outlet, and multiple layers of fine-mesh filtering cotton are arranged in the outer iron sheet box. The device is simple and reasonable in structure, waste gas can be subjected to layered filtering treatment, the waste gas filtering efficiency is improved, the waste gas filtering efficiency and the production progress are kept synchronous, iron rust, rust removal steel shots and other solid dust impurities in the waste gas are precisely classified and recycled, and waste resource utilization is promoted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, especially a kind of waste gas treatment device for beret piece shot blasting derusting. BACKGROUND

[0002] Beret piece is also called beret frame, beret beam or truss, first invented by a British engineer during World War II to solve the need for rapid bridge erection during the war, and named after his name. It can be used for highway bridges, assembled gantry cranes, guide beams, bridge erection machines, hanging baskets, etc. Beret truss combined gantry crane, beret piece can be used for highway bridges, assembled gantry cranes, guide beams, bridge erection machines, hanging baskets, etc. Beret truss combined gantry crane, which adopts assembled highway steel bridge component assembly gantry, and its span and column height are adjustable to adapt to different working sites, and is widely used in highway, railway, municipal, building, water conservancy and other construction projects, bridge construction prefabrication yard lifting and moving prefabricated components, bridge pier side loading girder and other site construction operations.

[0003] At present, the waste gas generated in the derusting process of shot blasting machine mainly includes smoke, rust, oxides, etc., among which the pollutants cause great harm to the environment and human health. The filtering efficiency in the prior art is low, which does not match the production progress; and it is difficult to realize effective classification and resource utilization of solid impurities; the waste gas treatment cost is high and complicated. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of waste gas treatment device for beret piece shot blasting derusting, its structure is simple and reasonable, can carry out layered filtration treatment to waste gas, improve waste gas filtering efficiency, make it keep pace with production progress, and realize the accurate classification recovery of rust, derusting steel shot and other solid dust impurities in waste gas, promote waste resource utilization.

[0005] The utility model aims to realize as follows:

[0006] A kind of waste gas treatment device for beret piece shot blasting derusting, it is characterized by including outer iron skin case, the outer iron skin case is rectangular parallelepiped structure, the outer iron skin case right side is equipped with the shot blasting machine waste gas filtration air inlet of the waste gas into convenience, the shot blasting machine waste gas filtration air inlet is connected with outer iron skin case right side upper portion by air inlet stainless steel pipe, the outer iron skin case left side is equipped with fixing frame, air blower and shot blasting machine waste gas filtration air outlet, the fixing frame is arranged in outer iron skin case left side, the shot blasting machine waste gas filtration air outlet is arranged in the just above of fixing frame, and shot blasting machine waste gas filtration air outlet is connected with fixing frame and outer iron skin case by air outlet stainless steel pipe, the air blower is arranged below fixing frame;

[0007] Further, the air blower is connected with the shot blasting machine waste gas filtering air inlet, the shot blasting machine waste gas filtering air outlet, the air inlet stainless steel pipe and the air outlet stainless steel pipe through a pipeline, so that the waste gas enters from the shot blasting machine waste gas air inlet and is discharged from the shot blasting waste gas air outlet.

[0008] Further, the outer iron sheet box is provided with a plurality of layers of fine mesh filter cotton, and the plurality of layers of fine mesh filter cotton are increasingly dense from right to left, so that the plurality of layers of fine mesh filter cotton can filter different types of dust impurities in the waste gas in multiple stages.

[0009] Further, the outer iron sheet box is provided with a dust recovery box, a plurality of chambers for storing different dust and impurities are arranged in the dust recovery box, and an electric air pump and a recovery pipe are arranged in the recovery box; different types of dust and impurities filtered by the plurality of layers of fine mesh filter cotton are sucked into the corresponding chambers by the electric air pump and the recovery pipe.

[0010] Compared with the prior art, the waste gas treatment device has the advantages that:

[0011] 1. The waste gas treatment device significantly improves waste gas filtering efficiency and treatment effect, and greatly reduces pollutant emission.

[0012] 2. The waste gas treatment device can be repeatedly used by selecting high-quality porous materials, greatly reducing filtering cost, and can be purchased on the ordinary market.

[0013] 3. The waste gas treatment device can realize precise collection of solid impurities such as iron rust and derusting steel shots through different pore sizes and multiple screening, create conditions for subsequent reuse, and realize waste-to-resource. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a front view of the waste gas treatment device.

[0015] Fig. 2 It is a structural view of the waste gas treatment device.

[0016] Fig. 3 It is a structural view of the recovery box.

[0017] 1 is an outer iron sheet box, 11 is a shot blasting machine waste gas filtering air inlet, 12 is a fixing frame, 13 is an air blower, 14 is a shot blasting machine waste gas filtering air outlet, 2 is a plurality of layers of fine mesh filter cotton, 3 is a recovery box, 31 is a chamber, 32 is an electric air pump, and 33 is a recovery pipe. DETAILED DESCRIPTION

[0018] As Figs. 1-3As shown, a kind of waste gas treatment device for beam shot derusting, it is characterized in that, including outer iron sheet box 1, the outer iron sheet box 1 is cuboid structure, the outer iron sheet box 1 right side is equipped with the waste gas filtering air inlet 11 of shot blasting machine for facilitating waste gas entering, the waste gas filtering air inlet 11 is connected with the upper right side of outer iron sheet box 1 by air inlet stainless steel pipe, the outer iron sheet box 1 left side is equipped with fixing frame 12, air blower 13 and shot blasting machine waste gas filtering air outlet 14, the fixing frame 12 is set to the left side of outer iron sheet box 1, the shot blasting machine waste gas filtering air outlet 14 is set to the top of fixing frame 12, and shot blasting machine waste gas filtering air outlet 14 is connected with fixing frame 12 and outer iron sheet box 1 by air outlet stainless steel pipe, the air blower 13 is set below fixing frame 12.

[0019] Further, the air blower 13 is connected with the waste gas filtering air inlet 11 of shot blasting machine, the shot blasting machine waste gas filtering air outlet 14, the air inlet stainless steel pipe and the air outlet stainless steel pipe by pipeline, so that waste gas enters from the waste gas inlet of shot blasting machine, and is excluded from the shot blasting waste gas outlet.

[0020] Further, the outer iron sheet box 1 is equipped with multiple layers of fine mesh filter cotton 2, the multiple layers of fine mesh filter cotton 2 is more and more dense from right to left, so that multiple layers of fine mesh filter cotton 2 can multi-section type filter different types of dust impurities in waste gas.

[0021] Further, the outer iron sheet box 1 is equipped with dust recovery tank 3 outside, the dust recovery tank 3 is equipped with multiple chambers 31 for storing different dust and impurities inside, the recovery tank is equipped with electric air pump 32 and recovery pipe 33, different types of dust and impurities filtered by multiple layers of fine mesh filter cotton 2 are sucked into corresponding chamber 31 for storage by electric air pump 32 and recovery pipe 33.

[0022] The utility model is not limited to the above embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some substitutions and deformations to some technical features according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the utility model.

Claims

1. A waste gas treatment device for use in shot blasting of a beam, characterized in that, Including the outer iron skin box (1), the outer iron skin box (1) is rectangular structure, the outer iron skin box (1) right side is equipped with the air inlet (11) of the shot blasting machine exhaust gas filter, the air inlet (11) is communicated with the right upper portion of the outer iron skin box (1) by the air inlet stainless steel pipe, the outer iron skin box (1) left side is equipped with the fixed frame (12), the air blower (13) and the air outlet (14) of the shot blasting machine exhaust gas filter, the fixed frame (12) is arranged in the left side of the outer iron skin box (1), the air outlet (14) of the shot blasting machine exhaust gas filter is arranged in the fixed frame (12) directly above, and the air outlet (14) of the shot blasting machine exhaust gas filter is communicated with the fixed frame (12) and the outer iron skin box (1) by the air outlet stainless steel pipe, the air blower (13) is arranged below the fixed frame (12).

2. The waste gas treatment device for use in shot blasting of a beam piece according to claim 1, characterized in that: The air blower (13) is communicated with the air inlet (11), the air outlet (14), the air inlet stainless steel pipe and the air outlet stainless steel pipe by the pipeline, so that the exhaust gas enters from the air inlet of the shot blasting machine and is discharged from the air outlet of the shot blasting machine.

3. The waste gas treatment device for use in shot blasting of a beam piece according to claim 1, characterized in that: The outer iron skin box (1) is equipped with multiple layers of fine mesh filter cotton (2), the multiple layers of fine mesh filter cotton (2) are more and more dense from right to left, so that the multiple layers of fine mesh filter cotton (2) can filter different types of dust impurities in the exhaust gas in multiple stages.

4. The waste gas treatment device for use in shot blasting of a beam section according to claim 3, characterized in that: The outer iron skin box (1) is equipped with a dust recovery tank (3) outside, the dust recovery tank (3) is equipped with multiple chambers (31) for storing different dust and impurities, the recovery tank is equipped with an electric air pump (32) and a recovery pipe (33), different types of dust and impurities filtered by the multiple layers of fine mesh filter cotton (2) are sucked into the corresponding chamber (31) by the electric air pump (32) and the recovery pipe (33).