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Asphalt waste gas purification system

An exhaust gas purification system and asphalt technology, applied in chemical instruments and methods, separation methods, dispersed particle separation, etc., can solve the problems of incomplete contact of exhaust gas with water mist, dead spots of spraying, poor particle settlement effect, etc., to reduce spraying Possibility of soaking dead corners, improvement of thoroughness, and effect of increasing coverage

Active Publication Date: 2022-02-11
HANGZHOU GUANGHUA ROAD & BRIDGE ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In view of the related technologies mentioned above, the inventor believes that there are the following defects: the water mist sprayed from the spray pipe in the prior art has a spray dead angle, which leads to the fact that the exhaust gas is not completely in contact with the water mist, and the sedimentation effect of the particles is poor, so needs further improvement

Method used

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  • Asphalt waste gas purification system
  • Asphalt waste gas purification system
  • Asphalt waste gas purification system

Examples

Experimental program
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Effect test

Embodiment 1

[0038] This embodiment discloses an asphalt waste gas purification system, referring to figure 1 , including a spray tower 1 for removing impurities from asphalt waste gas, a gas-liquid separation device 2 for dehydrating asphalt waste gas, a bitumen waste gas purification unit 3 for removing oily substances in asphalt waste gas, and the purified The exhaust gas is discharged from the high exhaust pipe 4 of the external environment. In this embodiment, the gas-liquid separation device 2 adopts a gravity sedimentation separation type gas-liquid separator, and the asphalt waste gas purification unit 3 adopts Kechuang SCGF series asphalt waste gas purification unit 3 .

[0039] refer to figure 2 The lower part of the side wall of the spray tower 1 is penetrated with an air inlet 11 for the asphalt waste gas to pass through, and the top wall of the air inlet 11 is penetrated with an air outlet 12 for the dedusted asphalt waste gas to be discharged. Spray tower 1 is coaxially co...

Embodiment 2

[0046] Embodiment 2: The difference with Embodiment 1 is that, with reference to Figure 5 , Image 6 , the driver 14 is an ordinary motor, the lower end surface of the mounting rod 51 is provided with a second chute 514 along its length direction, the mounting rod 51 is provided with a sliding plate 515 slidingly connected to the second chute 514, and a plurality of atomizing nozzles 53 is disposed on the sliding plate 515 . One end of the sliding plate 515 far away from the support pipe 13 is fixedly connected with a touch hemispherical head 55, and the touch hemispherical head 55 is located outside the installation rod 51, and the inner peripheral wall of the spray tower 1 is provided with an annular toothed belt groove 17, and the annular toothed belt groove 17 consists of continuous The wavy tooth grooves and tooth protrusions are formed, the actuating hemispherical head 55 is adapted to the tooth grooves of the annular toothed belt groove 17, and the inner wall of the s...

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Abstract

The invention relates to an asphalt waste gas purification system which comprises a spraying tower, the spraying tower is coaxially and rotatably connected with a supporting pipe, a gas inlet is formed in the side wall of the lower portion of the spraying tower, the spraying tower is provided with a driving part for driving the supporting pipe to rotate around the axis of the supporting pipe, and the spraying tower is provided with a liquid supply assembly for supplying liquid to the supporting pipe; the supporting pipe is fixedly connected with a rotary spraying frame; the rotary spraying frame comprises a plurality of mounting rods fixedly connected to the supporting pipe, the mounting rods are distributed in the circumferential direction of the supporting pipe, the supporting pipe and the mounting rods are each provided with a liquid flowing channel and are communicated with one another, and each mounting rod is connected with a plurality of atomizing nozzles; the atomizing nozzles are communicated with the liquid flowing channels of the mounting rods; the atomizing nozzles are distributed in the length direction of the mounting rods; and an air outlet is formed in the top wall of the spraying tower. The device has the advantage of improving the settling effect of particulate matters in the asphalt waste gas.

Description

technical field [0001] The present application relates to the technical field of asphalt waste gas purification, in particular to an asphalt waste gas purification system. Background technique [0002] With the continuous expansion of the scale of highway construction in my country, the proportion of high-grade highways with asphalt concrete pavements in the entire road network has gradually increased, causing large-scale production of asphalt concrete. The production process of asphalt concrete will produce a large amount of seriously polluted asphalt fumes and dust. Bitumen waste gas contains bitumen fumes, floating dust particles and oil particles. Asphalt flue gas contains a variety of organic substances, including carbocyclic hydrocarbons, cyclic hydrocarbon derivatives and other compounds. Therefore, it is necessary to purify asphalt waste gas before it is discharged to the external environment. [0003] The asphalt exhaust gas purification system in the prior art gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/40
Inventor 王健沈方勇陈凯孙栋郑建林
Owner HANGZHOU GUANGHUA ROAD & BRIDGE ENG
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