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Asphalt foaming machine used for preparing foamed asphalt

A technology of foamed asphalt and foaming machine, which is applied in the field of engineering material machinery preparation, can solve the problems of high cost, poor operation stability, easy blockage and difficult cleaning of nozzles, etc., and achieve low manufacturing and maintenance costs, simple equipment structure, debugging and The effect of easy cleaning

Inactive Publication Date: 2012-05-09
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of machine has problems such as poor operational stability, easy blockage of nozzles, difficulty in cleaning, and high cost

Method used

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  • Asphalt foaming machine used for preparing foamed asphalt
  • Asphalt foaming machine used for preparing foamed asphalt
  • Asphalt foaming machine used for preparing foamed asphalt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 2 , an asphalt foaming machine for preparing foamed asphalt, comprising a temperature-regulating asphalt mixing pot 12 with a mixer 11, the asphalt preheated to a fluid state is loaded into the temperature-regulating asphalt mixing pot 12, and the temperature-regulating asphalt mixing pot 12 can stabilize the asphalt in it at the set temperature, and the temperature-adjusting asphalt mixing pot 12 is connected to the inlet of the asphalt gear pump 13 through the asphalt conduit, and the outlet pipe of the asphalt gear pump 13 is connected to the asphalt foaming cavity 14. At the same time, the water pump And the air pump 15 is connected with the asphalt foaming cavity, the lower outlet of the asphalt foaming cavity is opposite to the asphalt mixing pot 17, and a high-power mixer 16 is also arranged above the asphalt mixing pot to stir the asphalt mixture .

[0020] Such as figure 1 , the asphalt foaming cavity includes a main cavity 9, and the upper pa...

Embodiment 2

[0026] 1. Heat the AH-70 asphalt to 110°C in an oven to make the asphalt into a liquid state;

[0027] 2. Turn on the power of the asphalt foaming machine, preheat its heating system, set the temperature of the temperature-adjusted asphalt mixing pot to 120°C, set the temperature of the asphalt gear pump and asphalt conduit to 150°C, turn on the air pump, and adjust the temperature in the asphalt foaming cavity The atomization effect of foaming water at the pressure water atomization nozzle;

[0028] 3. Set the system temperature again, increase the temperature of the test asphalt in the whole system, pour the liquid asphalt into the temperature-adjusted asphalt mixing pot on the upper part of the asphalt foaming machine, continue stirring and heating the asphalt to 150°C, at this temperature, the asphalt test The sample is marked as A;

[0029] 4. Turn on the asphalt gear pump switch, the hot asphalt will enter the asphalt foaming chamber from the temperature-adjusted asphal...

Embodiment 3

[0036] 1. Heat the AH-70 asphalt to 110°C in an oven to make the asphalt into a liquid state;

[0037]2. Turn on the power of the asphalt foaming machine, preheat its heating system, set the temperature of the temperature-adjusted asphalt mixing pot to 120°C, set the temperature of the asphalt gear pump and asphalt conduit to 150°C, turn on the air pump, and adjust the temperature in the asphalt foaming cavity The atomization effect of foaming water at the pressure water atomization nozzle;

[0038] 3. Pour liquid asphalt into the heating and stirring pot on the upper part of the asphalt foaming machine, continue to stir and heat the asphalt to 160°C, and record the asphalt sample at this temperature as B;

[0039] 4. Turn on the asphalt gear pump switch, the hot asphalt will enter the asphalt foaming chamber from the temperature-adjusted asphalt mixing pot under the asphalt gear pump, and turn on the water pump switch at the same time, so that the hot asphalt and its mass are...

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Abstract

The invention relates to an asphalt foaming machine used for preparing foamed asphalt. The foaming machine comprises a temperature adjusting asphalt stirring pot, which is connected to the inlet of an asphalt gear pump through an asphalt duct. The outlet pipeline of the asphalt gear pump is in connection with an asphalt foaming cavity. Simultaneously, a water pump and an air pump are in connection with the asphalt foaming cavity, the bottom outlet of which is opposite to an asphalt mixture stirring pot. A high power stirrer is disposed over the asphalt mixture stirring pot for stirring an asphalt mixture. The asphalt foaming machine of the invention has the advantages of simple overall structure, low manufacturing and maintenance cost, and convenient debugging and cleaning. Through reasonable adjustment and operation, the foaming machine provided in the invention can prepare foamed asphalt.

Description

technical field [0001] The invention belongs to the field of preparation of engineering material machinery, in particular to an asphalt foaming machine for preparing foamed asphalt. Background technique [0002] In modern road construction, a large amount of asphalt is required. Due to the rising price of asphalt, road builders in various countries have tried various methods to study how to save the amount of asphalt under the premise of ensuring the quality of asphalt pavement. Foamed asphalt and asphalt concrete mixed with foamed asphalt are one of the new methods ,New Technology. [0003] Compared with ordinary asphalt mixture, the asphalt mixture made with foamed asphalt has the following advantages: 1. It can reduce the amount of asphalt by 5-10%; 2. Due to the low viscosity of foamed asphalt, the time for mixing asphalt mixture can be reduced 15% to 20%, increase productivity; 3, can reduce the heating temperature of asphalt and mineral materials, thereby reducing th...

Claims

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Application Information

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IPC IPC(8): E01C19/02
Inventor 马保国王海峰黄健尹晓波
Owner WUHAN UNIV OF TECH
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