WO2021258742A1 - Asphalt foaming system - Google Patents

Asphalt foaming system Download PDF

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Publication number
WO2021258742A1
WO2021258742A1 PCT/CN2021/075421 CN2021075421W WO2021258742A1 WO 2021258742 A1 WO2021258742 A1 WO 2021258742A1 CN 2021075421 W CN2021075421 W CN 2021075421W WO 2021258742 A1 WO2021258742 A1 WO 2021258742A1
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WO
WIPO (PCT)
Prior art keywords
asphalt
foaming
temperature sensor
water
gun
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PCT/CN2021/075421
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French (fr)
Chinese (zh)
Inventor
林东升
王俊峰
陈玲
Original Assignee
福建省铁拓机械股份有限公司
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Application filed by 福建省铁拓机械股份有限公司 filed Critical 福建省铁拓机械股份有限公司
Publication of WO2021258742A1 publication Critical patent/WO2021258742A1/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44—Sample treatment involving radiation, e.g. heat
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid

Definitions

  • the utility model belongs to the field of asphalt foaming, and specifically relates to an asphalt foaming system.
  • the traditional warm mixing technology requires additives or compressed gas to achieve warm mixing, which is costly and has a more complicated structure.
  • the water-injected foamed bitumen foamed bitumen technology only needs to add high-pressure water to generate foamed bitumen to perform warm mixing, which saves costs.
  • the mixing effect of water and asphalt is poor, resulting in uneven foaming of the asphalt, which needs to be further improved.
  • the purpose of the utility model is to overcome the shortcomings of the prior art and provide an asphalt foaming device that can improve the foaming effect.
  • the utility model adopts the following technical schemes:
  • An asphalt foaming system includes an asphalt heating tank, a water storage tank, a foaming gun, an asphalt circulation device, a water circulation device, and a controller.
  • the asphalt heating plate in the tank and the first temperature sensor set in the asphalt tank for detecting the temperature of the asphalt; the foaming gun mixes and foams the asphalt and water that enters at the same time, and the foaming heating plate and the second temperature are set on it Sensor;
  • the asphalt circulation device is set between the asphalt heating tank and the foaming gun, which can make the asphalt in the asphalt heating tank enter the foaming gun or make the asphalt circulate between the asphalt circulation device and the asphalt heating tank;
  • the water circulation device is set in the storage Between the water tank and the foaming gun, the water in the water storage tank can enter the foaming gun or the water can circulate between the water storage tank and the water circulation device;
  • the controller is respectively connected with the first temperature sensor, the second temperature sensor,
  • the asphalt circulation device is connected with the water circulation device, and the operation of the asphalt circulation device and the water circulation device is controlled according to
  • the foaming gun includes a shell, an asphalt atomizing nozzle, a water atomizing nozzle, and a cylinder.
  • a foaming cavity is formed inside the shell; the asphalt atomizing nozzle is arranged at the upper end of the foaming cavity opposite to the foaming cavity; water
  • the atomizing nozzle is arranged on the shell opposite to the foaming cavity; the air cylinder is arranged on the top of the shell above the asphalt atomizing nozzle, and includes a telescopic rod that can telescope back and forth to open or close the asphalt atomizing nozzle.
  • the asphalt circulation device includes an asphalt insulation pump connected to the asphalt tank, an asphalt delivery pipeline connected between the asphalt insulation pump and the foaming gun, and an asphalt circulation pipeline connected between the foaming gun and the asphalt tank.
  • the angle seat valve arranged on the asphalt circulation pipeline and the air circuit assembly respectively connecting the angle seat valve and the cylinder to control the asphalt direction
  • the controller is connected with the air circuit assembly, when the first temperature sensor and the second temperature sensor feedback
  • the controller controls the air circuit assembly to lock the angle seat valve and the cylinder to open the upper end of the foaming chamber, so that the asphalt enters the foaming gun from the conveying pipeline;
  • the second temperature sensor feedbacks the data
  • the controller controls the air circuit assembly to open the angle seat valve and the cylinder to close the upper end of the foaming cavity, so that the asphalt enters the asphalt circulation pipeline from the asphalt conveying pipeline.
  • the gas path assembly includes an air compressor, a two-position three-way solenoid valve connected to the air compressor, a first gas path set between the angle seat valve and the cylinder and connected to the two-position three-way solenoid valve, and The angle seat valve and the cylinder are connected to the second gas path of the two-position three-way solenoid valve.
  • the controller is respectively connected to the air compressor and the two-position three-way solenoid valve.
  • the controller controls the two-position three-way solenoid valve to work, the air source enters the first air path to lock the angle seat valve, and the air cylinder opens the upper end of the foaming chamber, so that the asphalt enters the foaming chamber from the conveying pipeline In the gun;
  • the controller controls the two-position three-way solenoid valve to work, and the air source enters the second air path to open the angle seat valve and the air cylinder to close the upper end of the foaming chamber.
  • the asphalt heat preservation pump includes a pump body, an aluminum heating plate arranged on the pump body, and a third temperature sensor arranged on the pump body.
  • the pump body and the third temperature sensor are respectively connected to the controller.
  • the controller controls the pump body to work so that the asphalt enters the foaming gun for foaming or enters the asphalt circulation pipeline for circulation.
  • a first pressure transmitter is provided on the asphalt conveying pipeline.
  • the water circulation device includes a water pump connected to the water storage tank, a water delivery pipeline connected between the water pump and the foaming gun, a water circulation pipeline connected between the water delivery pipeline and the water storage tank, and
  • the first fluid valve on the water delivery pipeline and the second fluid valve arranged on the water circulation pipeline, the water pump, the first fluid valve, and the second fluid valve are respectively connected to the controller.
  • the controller controls the first fluid valve to open and the second fluid valve to lock, so that water enters the foaming gun; when the data fed back by the second temperature sensor does not reach the preset value, the controller Control the first fluid valve to lock and the second fluid valve to open so that water enters the water circulation pipeline.
  • a second pressure transmitter is provided on the water delivery pipeline.
  • the controller is connected to the foaming sampling device and processes the information fed back from the foaming sampling device to determine whether the asphalt is foamed. Effect.
  • the foamed sampling device includes a weight sensor for weighing the sampled foamed asphalt.
  • this application is equipped with an asphalt circulation device, a water circulation device and a controller, so that water and asphalt can meet the requirements of the foaming gun.
  • foaming conditions enter the foaming gun at the same time to foam, improve the mixing effect of water and asphalt, improve the foaming quality of asphalt, meet the operating requirements of foamed asphalt construction, and ensure the operating quality of the pavement, and the asphalt and water are designed.
  • foaming mode and circulation mode to ensure that the asphalt and water reach the pressure that meets the test standard in a short time and ensure the quality of asphalt foaming;
  • the foaming sampling device includes a weight sensor for weighing the sampled foamed bitumen, which can measure the weight of the sampled foamed bitumen and compare it with the parameters set in the foaming experiment to facilitate the improvement of the foaming experiment.
  • Figure 1 is the first structural diagram of the utility model
  • Figure 2 is the second structural diagram of the utility model
  • Figure 3 is a schematic diagram of the structure of the utility model
  • an asphalt foaming system includes an asphalt heating tank 1, a water storage tank 2, a foaming gun 3, an asphalt circulation device 4, a water circulation device 5, a controller 6 and a foaming sampling device 7 .
  • the asphalt heating tank 1 is used for heating asphalt, and includes an asphalt tank 11 for storing asphalt, an asphalt heating plate 13 arranged in the asphalt tank 11, and a first temperature sensor 12 arranged in the asphalt tank 11 for detecting the temperature of the asphalt.
  • a temperature sensor 12 detects the temperature of the asphalt in the asphalt tank 11 in real time and feeds it back to the controller 6.
  • the controller 6 controls the asphalt heating plate 13 to work according to the preset asphalt heating temperature and the data fed back by the first temperature sensor 12. When the bitumen temperature in 11 is higher than the preset value, the controller 6 controls the bitumen heating plate 13 to stop working; when the bitumen temperature in the bitumen heating tank 11 is lower than the preset value, the controller 6 controls the bitumen heating plate 13 to start working.
  • the water storage tank 2 is used to store water mixed with bitumen and foamed.
  • the foaming gun 3 mixes and foams the asphalt and water that enters at the same time, and includes a housing 31, an asphalt atomizing nozzle (not shown in the figure), a water atomizing nozzle (not shown in the figure), a cylinder 32, and foaming
  • the heating plate 33 and the second temperature sensor 34 a foaming cavity for foaming asphalt and water is formed inside the shell 31;
  • the asphalt atomizing nozzle is arranged at the upper end of the foaming cavity opposite to the foaming cavity;
  • the water atomizing nozzle is arranged on the shell
  • the body 31 is opposite to the foaming cavity;
  • the air cylinder 32 is arranged on the top of the casing 31 above the asphalt atomizing nozzle, and includes a telescopic rod that can be retracted back and forth to open or close the asphalt atomizing nozzle;
  • the foaming heating plate 33 is arranged in the foaming cavity Heating is performed to make the temperature of the foaming cavity reach the bitumen foaming temperature;
  • the second temperature sensor 34 is
  • the controller 6 controls the foaming heating plate 33 to stop working; when the temperature in the foaming cavity is lower than the preset value, the controller 6 controls the foaming heating plate 33 to start Work, specifically, the foaming gun 3 is a commonly used equipment in the field of asphalt foaming, and its specific structure and working principle will not be further described here.
  • the asphalt circulation device 4 is arranged between the asphalt tank 11 and the foaming gun 3, which can make the asphalt in the asphalt heating tank 3 enter the foaming gun 3 or make the asphalt circulate between the asphalt circulation device 4 and the asphalt tank 11, including asphalt The heat preservation pump 41, the asphalt conveying pipeline 42, the asphalt circulation pipeline 43, the angle seat valve 44 and the air circuit assembly 45.
  • the asphalt heat preservation pump 41 is connected to the asphalt tank 11, and is used to deliver asphalt to the foaming gun 3. It includes a pump body 411, an aluminum heating plate 412 arranged on the pump body 411, a third temperature sensor 413 arranged on the pump body 411, and The fourth temperature sensor 414 arranged on the aluminum heating plate 412, the pump body 411, the third temperature sensor 413, and the fourth temperature sensor 414 are respectively connected to the controller 6, and the third temperature sensor 413 detects the temperature on the pump body 411 in real time. It is fed back to the controller 6.
  • the controller 6 controls the pump body 411 to work so that the asphalt enters the generator.
  • the bubble gun 3 foams or enters the asphalt circulation pipeline 43 for circulation;
  • the fourth temperature sensor 414 detects the temperature of the aluminum heating plate 412 in real time.
  • the controller 6 controls the aluminum heating plate 412 to stop working; when the temperature information fed back by the fourth temperature sensor 414 is lower than the heating temperature preset value of the aluminum heating plate 412, the controller 6 controls the aluminum heating plate 412 to start working.
  • heating elements are provided on the asphalt conveying pipeline 42 and the asphalt circulation pipeline 43 to reduce the heat loss during the flow of asphalt in the pipeline.
  • the heating elements are commonly used heating elements for pipeline heating devices. The specific structure will not be described further.
  • the asphalt delivery pipeline 42 is arranged between the asphalt insulation pump 41 and the foaming gun 3, and a first pressure transmitter 421 connected to the controller 6 is arranged on the asphalt delivery pipeline 42.
  • the first pressure transmitter 421 detects the asphalt delivery pipeline 42 The pressure is applied and fed back to the controller 6, and the controller 6 controls the asphalt insulation pump 41 to work according to the data fed back from the first pressure transmitter 421.
  • the asphalt circulation pipeline 43 is arranged between the foaming gun 3 and the asphalt tank 11, and transports the asphalt that has not entered the foaming cavity to the asphalt tank 11 for heating.
  • the angle seat valve 44 is arranged on the asphalt circulation pipeline 43 and controls whether the asphalt flows into the asphalt tank 11 by controlling the opening or locking of the angle seat valve 44.
  • the air circuit assembly 45 is respectively connected to the angle seat valve 44 and the cylinder 32 to control the pitch direction, and includes an air compressor 451, a two-position three-way solenoid valve 452 connected to the air compressor 451, and is arranged between the angle seat valve 44 and the cylinder 32
  • the first air path 453 connected between the two-position three-way solenoid valve 452 and the second air path 454 between the angle seat valve 44 and the cylinder 32 connected to the two-position three-way solenoid valve 452, the air compressor 451 and the two-position three-way
  • the two-way solenoid valve 452 is connected to the controller 6 respectively.
  • the controller 6 controls the two-position three-way solenoid valve 452 to work, and the air source enters the first An air path 453 locks the angle seat valve 44 and the air cylinder 32 opens the upper end of the foaming chamber, so that the asphalt enters the foaming gun 3 from the asphalt conveying pipe 42; when the data fed back by the second temperature sensor 34 does not reach the preset value
  • the controller 6 controls the two-position three-way solenoid valve 452 to work, the gas source enters the second gas path 454 to open the angle seat valve 44, and the cylinder 32 closes the upper end of the foaming chamber, so that the bitumen enters the bitumen circulation from the bitumen conveying pipe 42 In the pipeline 43.
  • the water circulation device 5 includes a water pump 51 connected to the water storage tank 2, a water delivery pipeline 52 connected between the water pump 51 and the foaming gun 3, and a water circulation pipeline connected between the water delivery pipeline 52 and the water storage tank 1. 53.
  • the first fluid valve 54 arranged on the water delivery pipeline 52 and the second fluid valve 55 arranged on the water circulation pipeline 53, the water pump 51, the first fluid valve 54, the second fluid valve 55 and the controller 6 are respectively When the data fed back by the first temperature sensor 12 and the second temperature sensor 34 both reach the preset value, the controller 6 controls the first fluid valve 54 to open and the second fluid valve 55 to lock, so that water enters the foaming gun 3; when the data fed back by the second temperature sensor 34 does not reach the preset value, the controller 6 controls the first fluid valve 54 to lock and the second fluid valve 55 to open so that water enters the water circulation pipeline 53, specifically ,
  • the water delivery pipeline 52 is provided with a second pressure transmitter 521 connected to the controller 6.
  • the second pressure transmitter 521 detects the pressure on the water delivery pipeline 52 and feeds back to the controller 6, the controller 6 according to the second The data fed back by the pressure transmitter 521 controls the operation of the water pump 51, and further, the water delivery pipeline 52 is connected with the water atomizing nozzle.
  • the controller 6 is respectively connected with the first temperature sensor 12, the second temperature sensor 34, the third temperature sensor 413, the fourth temperature sensor 414, the asphalt heating plate 12, the foaming heating plate 33, the aluminum heating plate 412, the water pump 51, and the asphalt insulation Pump 41, air compressor 451, two-position three-way solenoid valve 452, first pressure transmitter 421, second pressure transmitter 521, first fluid valve 54, second fluid valve 55 are connected, according to the first temperature sensor 12.
  • the second temperature sensor 34, the third temperature sensor 413, the fourth temperature sensor 414, the first pressure transmitter 421, and the second pressure transmitter 521 control the work of each component.
  • the controller 6 is PLC controlled Device.
  • the foaming sampling device 7 is a foaming sampling device that collects information on the foamed asphalt from the foaming gun 3.
  • the controller 6 is connected to the foaming sampling device 7, and processes the information fed back from the foaming sampling device 7 to determine that the asphalt is foamed
  • the foam sampling device 7 includes a weight sensor (not shown in the figure) for weighing the sampled foamed asphalt, which can measure the weight of the sampled foamed asphalt and compare it with the parameters set in the foaming experiment
  • a weight sensor not shown in the figure
  • the specific structure of the foaming sampling device 7 refer to the automatic collection equipment for the evaluation index of asphalt foaming effect, which is the authorized announcement number CN210119447U applied by the applicant on 2019.06.18 , I won’t go into further details about its specific results and working principles here.
  • the controller 6 controls the asphalt heating plate 13, the foaming heating plate 33, and the aluminum heating plate 412 to work, respectively heating the asphalt, the foaming cavity, and the pump body 411; the controller 6 controls the operation of the water pump 41 and the first fluid
  • the valve 54 is locked and the second fluid valve 55 is opened to allow water to enter the water circulation pipeline 53 to circulate.
  • the controller 6 controls the asphalt insulation pump 41 to start, and controls the air compressors 451 and the second temperature sensor.
  • the position three-way solenoid valve 452 works, the gas source enters the second gas path 454 to open the angle seat valve 44, and the cylinder 32 closes the asphalt atomizing nozzle, so that the asphalt enters the asphalt circulation pipe 43 from the asphalt conveying pipe 42.
  • the system is in cyclic mode,
  • the controller 6 controls the air compressor 451 and the two-position three-way solenoid valve 452 to work, and the air source enters the first An air path 453 closes the angle seat valve 44, the cylinder 32 opens the asphalt atomizing nozzle and controls the first fluid valve 54 to open and the second fluid valve 55 to lock, so that the asphalt and water enter the foaming cavity at the same time for foaming.
  • the system is now in foaming mode.
  • the asphalt circulation device 4, the water circulation device 5 and the controller 6 are set to cooperate so that water and asphalt can enter the foaming gun 3 through the water atomizing nozzle and the asphalt atomizing nozzle at the same time when the foaming gun 3 meets the foaming conditions.
  • it can improve the mixing effect of water and asphalt, improve the foaming quality of asphalt, meet the operation requirements of foamed asphalt construction, and ensure the operation quality of the pavement, and the asphalt and water are designed with foaming mode and circulation mode to ensure Asphalt and water reach a pressure that meets the test standard in a short time, ensuring the quality of asphalt foaming.

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Abstract

Disclosed is an asphalt foaming system, comprising an asphalt heating tank (1), a water storage tank (2), a foaming gun (3), an asphalt circulating apparatus (4), a water circulating apparatus (5) and a controller (6), wherein the asphalt heating tank (1) comprises an asphalt tank (11), a first temperature sensor (12) and an asphalt heating plate (13); the foaming gun (3) is provided with a foaming heating plate (33) and a second temperature sensor (34); the asphalt circulating apparatus (4) is arranged between the asphalt heating tank (1) and the foaming gun (3), and the water circulating apparatus (5) is arranged between the water storage tank (2) and the foaming gun (3); and the controller (6) is respectively connected to the first temperature sensor (12), the second temperature sensor (34), the asphalt circulating apparatus (4) and the water circulating apparatus (5), and controls the working of the asphalt circulating apparatus (4) and the water circulating apparatus (5) according to data fed back by the first temperature sensor (12) and the second temperature sensor (34). According to the asphalt foaming system, water and asphalt enter the foaming gun for foaming when a foaming condition is met, such that the foaming quality of the asphalt is improved, and the operation requirement of foamed asphalt construction is met.

Description

一种沥青发泡***Asphalt foaming system 技术领域Technical field
本实用新型属于沥青发泡领域，具体涉及一种沥青发泡***。The utility model belongs to the field of asphalt foaming, and specifically relates to an asphalt foaming system.
背景技术Background technique
近几年来，国内空气质量另国人担忧，国家各个部分正在积极学习努力控制污染源，减少烟气排放，然而国家每年都有大量的公路需要建设或改造，沥青的使用量居高不下，为减少沥青使用对空气的污染，温拌沥青技术应运而生，由于其他低排放低污染的优点，该技术迅速获得广泛应用。In recent years, domestic air quality has caused other people’s concerns. All parts of the country are actively learning to control pollution sources and reduce flue gas emissions. However, there are a large number of roads in the country that need to be constructed or renovated every year, and the use of asphalt remains high. In order to reduce asphalt The use of air pollution, warm-mix asphalt technology came into being, due to other advantages of low emissions and low pollution, this technology quickly gained wide application.
传统的温拌技术需要添加剂或者压缩气体才能实现温拌，成本高且结构更为复杂，注水式泡沫沥青发泡温拌技术只需加入高压水生成泡沫沥青即可就行温拌，节约了成本，但现有技术中，水与沥青的混合效果差，导致沥青发泡不均匀，有待进一步改进。The traditional warm mixing technology requires additives or compressed gas to achieve warm mixing, which is costly and has a more complicated structure. The water-injected foamed bitumen foamed bitumen technology only needs to add high-pressure water to generate foamed bitumen to perform warm mixing, which saves costs. However, in the prior art, the mixing effect of water and asphalt is poor, resulting in uneven foaming of the asphalt, which needs to be further improved.
实用新型内容Utility model content
本实用新型的目的是克服现有技术的缺点，提供一种可提高发泡效果的沥青发泡装置。The purpose of the utility model is to overcome the shortcomings of the prior art and provide an asphalt foaming device that can improve the foaming effect.
本实用新型采用如下技术方案：The utility model adopts the following technical schemes:
一种沥青发泡***，包括沥青加热罐、储水罐、发泡枪、沥青循环装置、水循环装置和控制器，沥青加热罐用于加热沥青，包括用于存储沥青的沥青罐、设置在沥青罐中的沥青加热板和设置在沥青罐中用于检测沥青温度的第一温度传感器；发泡枪对同时进入的沥青和水进行混合发泡，其上设置有发泡加热板和第二温度传感器；沥青循环装置设置在沥青加热罐与发泡枪之间，可使沥青加热罐中的沥青进入发泡枪或使沥青在沥青循环装置与沥青加热罐之间循环流动；水循环装置设置在储水罐与发泡枪之间，可使储水罐中的水进入发泡枪或 使水在储水罐与水循环装置之间循环流动；控制器分别与第一温度传感器、第二温度传感器、沥青循环装置和水循环装置连接，根据第一温度传感器与第二温度传感器反馈的数据，控制沥青循环装置和水循环装置工作。An asphalt foaming system includes an asphalt heating tank, a water storage tank, a foaming gun, an asphalt circulation device, a water circulation device, and a controller. The asphalt heating plate in the tank and the first temperature sensor set in the asphalt tank for detecting the temperature of the asphalt; the foaming gun mixes and foams the asphalt and water that enters at the same time, and the foaming heating plate and the second temperature are set on it Sensor; the asphalt circulation device is set between the asphalt heating tank and the foaming gun, which can make the asphalt in the asphalt heating tank enter the foaming gun or make the asphalt circulate between the asphalt circulation device and the asphalt heating tank; the water circulation device is set in the storage Between the water tank and the foaming gun, the water in the water storage tank can enter the foaming gun or the water can circulate between the water storage tank and the water circulation device; the controller is respectively connected with the first temperature sensor, the second temperature sensor, The asphalt circulation device is connected with the water circulation device, and the operation of the asphalt circulation device and the water circulation device is controlled according to the data fed back from the first temperature sensor and the second temperature sensor.
进一步的，所述发泡枪包括壳体、沥青雾化喷嘴、水雾化喷嘴和气缸，壳体内部形成有发泡腔；沥青雾化喷嘴设置在发泡腔上端与发泡腔相对；水雾化喷嘴设置在壳体与发泡腔相对；气缸设置在壳体顶部位于沥青雾化喷嘴上方，包括可来回伸缩以打开或封闭沥青雾化喷嘴的伸缩杆。Further, the foaming gun includes a shell, an asphalt atomizing nozzle, a water atomizing nozzle, and a cylinder. A foaming cavity is formed inside the shell; the asphalt atomizing nozzle is arranged at the upper end of the foaming cavity opposite to the foaming cavity; water The atomizing nozzle is arranged on the shell opposite to the foaming cavity; the air cylinder is arranged on the top of the shell above the asphalt atomizing nozzle, and includes a telescopic rod that can telescope back and forth to open or close the asphalt atomizing nozzle.
进一步的，所述沥青循环装置包括与沥青罐连接的沥青保温泵、连接在沥青保温泵与发泡枪之间的沥青输送管路、连接在发泡枪与沥青罐之间的沥青循环管路、设置在沥青循环管路上的角座阀和和分别连接角座阀与气缸以控制沥青走向的气路组件，所述控制器与气路组件连接，当第一温度传感器与第二温度传感器反馈的数据均达到预设值时，控制器控制气路组件使角座阀锁止、气缸打开发泡腔上端，以使沥青从输送管路进入发泡枪中；当第二温度传感器反馈的数据未达到预设值时，控制器控制气路组件使角座阀打开、气缸封闭发泡腔上端，以使沥青从沥青输送管路进入沥青循环管路中。Further, the asphalt circulation device includes an asphalt insulation pump connected to the asphalt tank, an asphalt delivery pipeline connected between the asphalt insulation pump and the foaming gun, and an asphalt circulation pipeline connected between the foaming gun and the asphalt tank. , The angle seat valve arranged on the asphalt circulation pipeline and the air circuit assembly respectively connecting the angle seat valve and the cylinder to control the asphalt direction, the controller is connected with the air circuit assembly, when the first temperature sensor and the second temperature sensor feedback When the data reaches the preset value, the controller controls the air circuit assembly to lock the angle seat valve and the cylinder to open the upper end of the foaming chamber, so that the asphalt enters the foaming gun from the conveying pipeline; when the second temperature sensor feedbacks the data When the preset value is not reached, the controller controls the air circuit assembly to open the angle seat valve and the cylinder to close the upper end of the foaming cavity, so that the asphalt enters the asphalt circulation pipeline from the asphalt conveying pipeline.
进一步的，所述气路组件包括空压机、与空压机连接的二位三通电磁阀、设置在角座阀与气缸之间连接二位三通电磁阀的第一气路和设置在角座阀与气缸之间连接二位三通电磁阀的第二气路，所述控制器分别与空压机和二位三通电磁阀连接，当第一温度传感器与第二温度传感器反馈的数据均达到预设值时，控制器控制二位三通电磁阀工作，气源进入第一气路使角座阀锁止、气缸打开发泡腔上端，以使沥青从输送管路进入发泡枪中；当第二温度传感器反馈的数据未达到预设值时，控制器控制二位三通电磁阀工作，气源进入第二气路使角座阀打开、气缸封闭发泡腔上端，以使沥青沥青输送管路进入沥青循环管路中。Further, the gas path assembly includes an air compressor, a two-position three-way solenoid valve connected to the air compressor, a first gas path set between the angle seat valve and the cylinder and connected to the two-position three-way solenoid valve, and The angle seat valve and the cylinder are connected to the second gas path of the two-position three-way solenoid valve. The controller is respectively connected to the air compressor and the two-position three-way solenoid valve. When the first temperature sensor and the second temperature sensor feedback When the data reaches the preset value, the controller controls the two-position three-way solenoid valve to work, the air source enters the first air path to lock the angle seat valve, and the air cylinder opens the upper end of the foaming chamber, so that the asphalt enters the foaming chamber from the conveying pipeline In the gun; when the data fed back by the second temperature sensor does not reach the preset value, the controller controls the two-position three-way solenoid valve to work, and the air source enters the second air path to open the angle seat valve and the air cylinder to close the upper end of the foaming chamber. Make the bitumen bitumen conveying pipeline into the bitumen circulation pipeline.
进一步的，所述沥青保温泵包括泵体、设置在泵体上的铝加热板和设置在泵体上的第三温度传感器，泵体与第三温度传感器分别与控制器连接，当第一温度传感器与第三温度传感器反馈的数据均达到预设值时，控制器控制泵体工作，以使沥青进入发泡枪进行发泡或进入沥青循环管路进行循环。Further, the asphalt heat preservation pump includes a pump body, an aluminum heating plate arranged on the pump body, and a third temperature sensor arranged on the pump body. The pump body and the third temperature sensor are respectively connected to the controller. When the data fed back by the sensor and the third temperature sensor both reach the preset value, the controller controls the pump body to work so that the asphalt enters the foaming gun for foaming or enters the asphalt circulation pipeline for circulation.
进一步的，所述沥青输送管路上设置有第一压力变送器。Further, a first pressure transmitter is provided on the asphalt conveying pipeline.
进一步的，所述水循环装置包括与储水罐连接的水泵、连接在水泵与发泡枪之间的水输送管路、连接在水输送管路与储水罐之间的水循环管路、设置在水输送管路上的第一流体阀和设置在水循环管路上的第二流体阀，水泵、第一流体阀、第二流体阀分别与控制器连接，当第一温度传感器与第二温度传感器反馈的数据均达到预设值时，控制器控制第一流体阀开启、第二流体阀锁止，以使水进入发泡枪中；当第二温度传感器反馈的数据未达到预设值时，控制器控制第一流体阀锁止、第二流体阀开启，以使水进入水循环管路中。Further, the water circulation device includes a water pump connected to the water storage tank, a water delivery pipeline connected between the water pump and the foaming gun, a water circulation pipeline connected between the water delivery pipeline and the water storage tank, and The first fluid valve on the water delivery pipeline and the second fluid valve arranged on the water circulation pipeline, the water pump, the first fluid valve, and the second fluid valve are respectively connected to the controller. When the first temperature sensor and the second temperature sensor feedback When the data reaches the preset value, the controller controls the first fluid valve to open and the second fluid valve to lock, so that water enters the foaming gun; when the data fed back by the second temperature sensor does not reach the preset value, the controller Control the first fluid valve to lock and the second fluid valve to open so that water enters the water circulation pipeline.
进一步的，所述水输送管路上设置有第二压力变送器。Further, a second pressure transmitter is provided on the water delivery pipeline.
进一步的，还包括用于对从发泡枪出来的发泡沥青进行信息采集的发泡采样装置，所述控制器与发泡采样装置连接，处理发泡采样装置反馈的信息以判定沥青发泡的效果。Further, it also includes a foaming sampling device for collecting information on the foamed asphalt from the foaming gun. The controller is connected to the foaming sampling device and processes the information fed back from the foaming sampling device to determine whether the asphalt is foamed. Effect.
进一步的，所述发泡采样装置包括有对取样发泡沥青进行称重的重量传感器。Further, the foamed sampling device includes a weight sensor for weighing the sampled foamed asphalt.
由上述对本实用新型的描述可知，与现有技术相比，本实用新型的有益效果是：本申请通过设置沥青循环装置、水循环装置与控制器配合，使水和沥青可在发泡枪满足发泡条件时，同时进入发泡枪中进行发泡，提高水与沥青的混合效果，提高沥青的发泡质量，满足发泡沥青施工的作业要求，保证路面的作业质量，且沥青与水都设计有发泡模式与循环模式，确保沥青和水在短时间内 达到符合试验标准的压力，保证沥青发泡质量；From the above description of the present utility model, it can be seen that compared with the prior art, the present utility model has the following beneficial effects: this application is equipped with an asphalt circulation device, a water circulation device and a controller, so that water and asphalt can meet the requirements of the foaming gun. When foaming conditions, enter the foaming gun at the same time to foam, improve the mixing effect of water and asphalt, improve the foaming quality of asphalt, meet the operating requirements of foamed asphalt construction, and ensure the operating quality of the pavement, and the asphalt and water are designed. There are foaming mode and circulation mode to ensure that the asphalt and water reach the pressure that meets the test standard in a short time and ensure the quality of asphalt foaming;
发泡采样装置包括有对取样发泡沥青进行称重的重量传感器，可测量取样的发泡沥青的重量与发泡实验设置的参数进行比对以有利于对发泡实验进行改进。The foaming sampling device includes a weight sensor for weighing the sampled foamed bitumen, which can measure the weight of the sampled foamed bitumen and compare it with the parameters set in the foaming experiment to facilitate the improvement of the foaming experiment.
附图说明Description of the drawings
图1为本实用新型的结构示意图一；Figure 1 is the first structural diagram of the utility model;
图2为本实用新型的结构示意图二；Figure 2 is the second structural diagram of the utility model;
图3为本实用新型的结构原理图；Figure 3 is a schematic diagram of the structure of the utility model;
图中，1-沥青加热罐、2-储水罐、3-发泡枪、4-沥青循环装置、5-水循环装置、6-控制器、7-发泡采样装置、11-沥青罐、12-第一温度传感器、13-沥青加热板、31-壳体、32-气缸、33-发泡加热板、34-第二温度传感器、41-沥青保温泵、411-泵体、412-铝加热板、413-第三温度传感器、414-第四温度传感器、42-沥青输送管路、421-第一压力变送器、43-沥青循环管路、44-角座阀、45-气路组件、451-空压机、452-二位三通电磁阀、453-第一气路、454-第二气路、51-水泵、52-水输送管路、521-第二压力变送器、53-水循环管路、51-第一流体阀、55-第二流体阀。In the figure, 1-asphalt heating tank, 2-water storage tank, 3-foaming gun, 4-asphalt circulation device, 5-water circulation device, 6-controller, 7-foaming sampling device, 11-asphalt tank, 12 -First temperature sensor, 13-Asphalt heating plate, 31-Shell, 32-Cylinder, 33-Foam heating plate, 34-Second temperature sensor, 41-Asphalt insulation pump, 411-Pump body, 412-Aluminum heating Plate, 413-third temperature sensor, 414-fourth temperature sensor, 42-asphalt conveying pipeline, 421-first pressure transmitter, 43-asphalt circulation pipeline, 44-angle seat valve, 45-gas circuit assembly , 451-air compressor, 452-two-position three-way solenoid valve, 453-first gas path, 454-second gas path, 51-water pump, 52-water delivery pipeline, 521-second pressure transmitter, 53-Water circulation pipeline, 51-First fluid valve, 55-Second fluid valve.
具体实施方式detailed description
以下通过具体实施方式对本实用新型作进一步的描述。The following further describes the utility model through specific implementations.
参照图1至图3所示，一种沥青发泡***，包括沥青加热罐1、储水罐2、发泡枪3、沥青循环装置4、水循环装置5、控制器6和发泡采样装置7。Referring to Figures 1 to 3, an asphalt foaming system includes an asphalt heating tank 1, a water storage tank 2, a foaming gun 3, an asphalt circulation device 4, a water circulation device 5, a controller 6 and a foaming sampling device 7 .
沥青加热罐1用于加热沥青，包括用于存储沥青的沥青罐11、设置在沥青罐11中的沥青加热板13和设置在沥青罐11中用于检测沥青温度的第一温度传感器12，第一温度传感器12实时检测沥青罐11中沥青的温度并反馈给控制器 6，控制器6根据预设的沥青加热温度及第一温度传感器12反馈的数据控制沥青加热板13工作，当沥青加热罐11中的沥青温度高于预设值时，控制器6控制沥青加热板13停止工作；当沥青加热罐11中的沥青温度低于预设值时，控制器6控制沥青加热板13开始工作。The asphalt heating tank 1 is used for heating asphalt, and includes an asphalt tank 11 for storing asphalt, an asphalt heating plate 13 arranged in the asphalt tank 11, and a first temperature sensor 12 arranged in the asphalt tank 11 for detecting the temperature of the asphalt. A temperature sensor 12 detects the temperature of the asphalt in the asphalt tank 11 in real time and feeds it back to the controller 6. The controller 6 controls the asphalt heating plate 13 to work according to the preset asphalt heating temperature and the data fed back by the first temperature sensor 12. When the bitumen temperature in 11 is higher than the preset value, the controller 6 controls the bitumen heating plate 13 to stop working; when the bitumen temperature in the bitumen heating tank 11 is lower than the preset value, the controller 6 controls the bitumen heating plate 13 to start working.
储水罐2用于存储与沥青混合发泡的水。The water storage tank 2 is used to store water mixed with bitumen and foamed.
发泡枪3对同时进入的沥青和水进行混合发泡，包括壳体31、沥青雾化喷嘴(图中未示出)、水雾化喷嘴(图中未示出)、气缸32、发泡加热板33和第二温度传感器34，壳体31内部形成有用于发泡沥青和水的发泡腔；沥青雾化喷嘴设置在发泡腔上端与发泡腔相对；水雾化喷嘴设置在壳体31上与发泡腔相对；气缸32设置在壳体31顶部位于沥青雾化喷嘴上方，包括可来回伸缩以打开或封闭沥青雾化喷嘴的伸缩杆；发泡加热板33设置在发泡腔进行加热，以使发泡腔的温度达到沥青发泡温度；第二温度传感器34设置在发泡腔中与控制器6连接，实时检测反馈发泡腔的温度并将数据反馈给控制器6，控制器6根据第二温度传感器34反馈的数据控制发泡加热板33的工作。当发泡腔中的温度高于预设值时，控制器6控制发泡加热板33停止工作；当发泡腔中的温度低于预设值时，控制器6控制发泡加热板33开始工作，具体的，发泡枪3为沥青发泡领域中常用的设备，这边对其具体结构及工作原理不做进一步的描述。The foaming gun 3 mixes and foams the asphalt and water that enters at the same time, and includes a housing 31, an asphalt atomizing nozzle (not shown in the figure), a water atomizing nozzle (not shown in the figure), a cylinder 32, and foaming The heating plate 33 and the second temperature sensor 34, a foaming cavity for foaming asphalt and water is formed inside the shell 31; the asphalt atomizing nozzle is arranged at the upper end of the foaming cavity opposite to the foaming cavity; the water atomizing nozzle is arranged on the shell The body 31 is opposite to the foaming cavity; the air cylinder 32 is arranged on the top of the casing 31 above the asphalt atomizing nozzle, and includes a telescopic rod that can be retracted back and forth to open or close the asphalt atomizing nozzle; the foaming heating plate 33 is arranged in the foaming cavity Heating is performed to make the temperature of the foaming cavity reach the bitumen foaming temperature; the second temperature sensor 34 is arranged in the foaming cavity and connected to the controller 6, and detects and feeds the temperature of the foaming cavity in real time and feeds the data back to the controller 6, The controller 6 controls the operation of the foam heating plate 33 according to the data fed back from the second temperature sensor 34. When the temperature in the foaming cavity is higher than the preset value, the controller 6 controls the foaming heating plate 33 to stop working; when the temperature in the foaming cavity is lower than the preset value, the controller 6 controls the foaming heating plate 33 to start Work, specifically, the foaming gun 3 is a commonly used equipment in the field of asphalt foaming, and its specific structure and working principle will not be further described here.
沥青循环装置4设置在沥青罐11与发泡枪3之间，可使沥青加热罐3中的沥青进入发泡枪3或使沥青在沥青循环装置4与沥青罐11之间循环流动，包括沥青保温泵41、沥青输送管路42、沥青循环管路43、角座阀44和气路组件45。The asphalt circulation device 4 is arranged between the asphalt tank 11 and the foaming gun 3, which can make the asphalt in the asphalt heating tank 3 enter the foaming gun 3 or make the asphalt circulate between the asphalt circulation device 4 and the asphalt tank 11, including asphalt The heat preservation pump 41, the asphalt conveying pipeline 42, the asphalt circulation pipeline 43, the angle seat valve 44 and the air circuit assembly 45.
沥青保温泵41与沥青罐11连接，用于向发泡枪3输送沥青，包括泵体411、设置在泵体411上的铝加热板412、设置在泵体411上的第三温度传感器413和设置在铝加热板412上的第四温度传感器414，泵体411、第三温度传感器413、 第四温度传感器414分别与控制器6连接，第三温度传感器413实时检测泵体411上的温度并反馈给控制器6，当第三温度传感器413反馈的温度信息达到泵体411启动的预设值时且沥青温度达到预设加热温度时，控制器6控制泵体411工作，以使沥青进入发泡枪3进行发泡或进入沥青循环管路43进行循环；第四温度传感器414实时检测铝加热板412的温度，当第四温度传感器414反馈的温度信息高于铝加热板412的加热温度预设值时，控制器6控制铝加热板412停止工作；当第四温度传感器414反馈的温度信息低于铝加热板412的加热温度预设值时，控制器6控制铝加热板412开始工作，具体的，沥青输送管路42上及沥青循环管路43上均设置有加热件，减少沥青在管路流动过程中的热量损失，加热件为管路加热装置常用的加热件，这边对其具体结构不作进一步的赘述。The asphalt heat preservation pump 41 is connected to the asphalt tank 11, and is used to deliver asphalt to the foaming gun 3. It includes a pump body 411, an aluminum heating plate 412 arranged on the pump body 411, a third temperature sensor 413 arranged on the pump body 411, and The fourth temperature sensor 414 arranged on the aluminum heating plate 412, the pump body 411, the third temperature sensor 413, and the fourth temperature sensor 414 are respectively connected to the controller 6, and the third temperature sensor 413 detects the temperature on the pump body 411 in real time. It is fed back to the controller 6. When the temperature information fed back by the third temperature sensor 413 reaches the preset value for starting the pump body 411 and the asphalt temperature reaches the preset heating temperature, the controller 6 controls the pump body 411 to work so that the asphalt enters the generator. The bubble gun 3 foams or enters the asphalt circulation pipeline 43 for circulation; the fourth temperature sensor 414 detects the temperature of the aluminum heating plate 412 in real time. When the temperature information fed back by the fourth temperature sensor 414 is higher than the heating temperature of the aluminum heating plate 412, When the value is set, the controller 6 controls the aluminum heating plate 412 to stop working; when the temperature information fed back by the fourth temperature sensor 414 is lower than the heating temperature preset value of the aluminum heating plate 412, the controller 6 controls the aluminum heating plate 412 to start working. Specifically, heating elements are provided on the asphalt conveying pipeline 42 and the asphalt circulation pipeline 43 to reduce the heat loss during the flow of asphalt in the pipeline. The heating elements are commonly used heating elements for pipeline heating devices. The specific structure will not be described further.
沥青输送管路42设置在沥青保温泵41与发泡枪3之间，其上设置有与控制器6连接的第一压力变送器421，第一压力变送器421检测沥青输送管路42上压力并反馈控制器6，控制器6根据第一压力变送器421反馈的数据控制沥青保温泵41工作。The asphalt delivery pipeline 42 is arranged between the asphalt insulation pump 41 and the foaming gun 3, and a first pressure transmitter 421 connected to the controller 6 is arranged on the asphalt delivery pipeline 42. The first pressure transmitter 421 detects the asphalt delivery pipeline 42 The pressure is applied and fed back to the controller 6, and the controller 6 controls the asphalt insulation pump 41 to work according to the data fed back from the first pressure transmitter 421.
沥青循环管路43设置在发泡枪3与沥青罐11之间，将未进入发泡腔的沥青输送至沥青罐11中进行加热。The asphalt circulation pipeline 43 is arranged between the foaming gun 3 and the asphalt tank 11, and transports the asphalt that has not entered the foaming cavity to the asphalt tank 11 for heating.
角座阀44设置在沥青循环管路43上，通过控制角座阀44的开启或锁止，以控制沥青是否流入沥青罐11中。The angle seat valve 44 is arranged on the asphalt circulation pipeline 43 and controls whether the asphalt flows into the asphalt tank 11 by controlling the opening or locking of the angle seat valve 44.
气路组件45分别连接角座阀44与气缸32以控制沥青走向，包括空压机451、与空压机451连接的二位三通电磁阀452、设置在角座阀44与与气缸32之间连接二位三通电磁阀452的第一气路453和设置在角座阀44与气缸32之间连接二位三通电磁阀452的第二气路454，空压机451和二位三通电磁阀452分别与 控制器6连接，当第一温度传感器12与第二温度传感器34反馈的数据均达到预设值时，控制器6控制二位三通电磁阀452工作，气源进入第一气路453使角座阀44锁止、气缸32打开发泡腔上端，以使沥青从沥青输送管路42进入发泡枪3中；当第二温度传感器34反馈的数据未达到预设值时，控制器6控制二位三通电磁阀452工作，气源进入第二气路454使角座阀44打开、气缸32封闭发泡腔上端，以使沥青从沥青输送管路42进入沥青循环管路43中。The air circuit assembly 45 is respectively connected to the angle seat valve 44 and the cylinder 32 to control the pitch direction, and includes an air compressor 451, a two-position three-way solenoid valve 452 connected to the air compressor 451, and is arranged between the angle seat valve 44 and the cylinder 32 The first air path 453 connected between the two-position three-way solenoid valve 452 and the second air path 454 between the angle seat valve 44 and the cylinder 32 connected to the two-position three-way solenoid valve 452, the air compressor 451 and the two-position three-way The two-way solenoid valve 452 is connected to the controller 6 respectively. When the data fed back by the first temperature sensor 12 and the second temperature sensor 34 both reach the preset value, the controller 6 controls the two-position three-way solenoid valve 452 to work, and the air source enters the first An air path 453 locks the angle seat valve 44 and the air cylinder 32 opens the upper end of the foaming chamber, so that the asphalt enters the foaming gun 3 from the asphalt conveying pipe 42; when the data fed back by the second temperature sensor 34 does not reach the preset value When the controller 6 controls the two-position three-way solenoid valve 452 to work, the gas source enters the second gas path 454 to open the angle seat valve 44, and the cylinder 32 closes the upper end of the foaming chamber, so that the bitumen enters the bitumen circulation from the bitumen conveying pipe 42 In the pipeline 43.
水循环装置5包括与储水罐2连接的水泵51、连接在水泵51与发泡枪3之间的水输送管路52、连接在水输送管路52与储水罐1之间的水循环管路53、设置在水输送管路52上的第一流体阀54和设置在水循环管路53上的第二流体阀55，水泵51、第一流体阀54、第二流体阀55分别与控制器6连接，当第一温度传感器12与第二温度传感器34反馈的数据均达到预设值时，控制器6控制第一流体阀54开启、第二流体阀55锁止，以使水进入发泡枪3中；当第二温度传感器34反馈的数据未达到预设值时，控制器6控制第一流体阀54锁止、第二流体阀55开启，以使水进入水循环管路53中，具体的，水输送管路52上设置有与控制器6连接的第二压力变送器521，第二压力变送器521检测水输送管路52上压力并反馈控制器6，控制器6根据第二压力变送器521反馈的数据控制水泵51工作，进一步的，水输送管路52与水雾化喷嘴连接。The water circulation device 5 includes a water pump 51 connected to the water storage tank 2, a water delivery pipeline 52 connected between the water pump 51 and the foaming gun 3, and a water circulation pipeline connected between the water delivery pipeline 52 and the water storage tank 1. 53. The first fluid valve 54 arranged on the water delivery pipeline 52 and the second fluid valve 55 arranged on the water circulation pipeline 53, the water pump 51, the first fluid valve 54, the second fluid valve 55 and the controller 6 are respectively When the data fed back by the first temperature sensor 12 and the second temperature sensor 34 both reach the preset value, the controller 6 controls the first fluid valve 54 to open and the second fluid valve 55 to lock, so that water enters the foaming gun 3; when the data fed back by the second temperature sensor 34 does not reach the preset value, the controller 6 controls the first fluid valve 54 to lock and the second fluid valve 55 to open so that water enters the water circulation pipeline 53, specifically , The water delivery pipeline 52 is provided with a second pressure transmitter 521 connected to the controller 6. The second pressure transmitter 521 detects the pressure on the water delivery pipeline 52 and feeds back to the controller 6, the controller 6 according to the second The data fed back by the pressure transmitter 521 controls the operation of the water pump 51, and further, the water delivery pipeline 52 is connected with the water atomizing nozzle.
控制器6分别与第一温度传感器12、第二温度传感器34、第三温度传感器413、第四温度传感器414、沥青加热板12、发泡加热板33、铝加热板412、水泵51、沥青保温泵41、空压机451、二位三通电磁阀452、第一压力变送器421、第二压力变送器521、第一流体阀54、第二流体阀55连接，根据第一温度传感器12、第二温度传感器34、第三温度传感器413、第四温度传感器414、第一压力变送器421、第二压力变送器521控制各部件的工作，具体的，控制器6为 PLC控制器。The controller 6 is respectively connected with the first temperature sensor 12, the second temperature sensor 34, the third temperature sensor 413, the fourth temperature sensor 414, the asphalt heating plate 12, the foaming heating plate 33, the aluminum heating plate 412, the water pump 51, and the asphalt insulation Pump 41, air compressor 451, two-position three-way solenoid valve 452, first pressure transmitter 421, second pressure transmitter 521, first fluid valve 54, second fluid valve 55 are connected, according to the first temperature sensor 12. The second temperature sensor 34, the third temperature sensor 413, the fourth temperature sensor 414, the first pressure transmitter 421, and the second pressure transmitter 521 control the work of each component. Specifically, the controller 6 is PLC controlled Device.
发泡采样装置7对从发泡枪3出来的发泡沥青进行信息采集的发泡采样装置，控制器6与发泡采样装置7连接，处理发泡采样装置7反馈的信息以判定沥青发泡的效果，具体的，发泡采样装置7包括有对取样发泡沥青进行称重的重量传感器(图中未示出)，可测量取样的发泡沥青的重量与发泡实验设置的参数进行比对以有利于对发泡实验进行改进，进一步的，发泡采样装置7的具体结构，参照申请人于2019.06.18申请的授权公告号为CN210119447U的一种沥青发泡效果评价指标的自动采集设备，这边对其具体结果及工作原理不做进一步的赘述。The foaming sampling device 7 is a foaming sampling device that collects information on the foamed asphalt from the foaming gun 3. The controller 6 is connected to the foaming sampling device 7, and processes the information fed back from the foaming sampling device 7 to determine that the asphalt is foamed Specifically, the foam sampling device 7 includes a weight sensor (not shown in the figure) for weighing the sampled foamed asphalt, which can measure the weight of the sampled foamed asphalt and compare it with the parameters set in the foaming experiment In order to facilitate the improvement of the foaming experiment, further, for the specific structure of the foaming sampling device 7, refer to the automatic collection equipment for the evaluation index of asphalt foaming effect, which is the authorized announcement number CN210119447U applied by the applicant on 2019.06.18 , I won’t go into further details about its specific results and working principles here.
工作时，控制器6控制沥青加热板13、发泡加热板33、铝加热板412进行工作，分别对沥青、发泡腔、泵体411进行加热；控制器6控制水泵41工作、第一流体阀54锁止、第二流体阀55开启，使水进入水循环管路53循环。When working, the controller 6 controls the asphalt heating plate 13, the foaming heating plate 33, and the aluminum heating plate 412 to work, respectively heating the asphalt, the foaming cavity, and the pump body 411; the controller 6 controls the operation of the water pump 41 and the first fluid The valve 54 is locked and the second fluid valve 55 is opened to allow water to enter the water circulation pipeline 53 to circulate.
当第三温度温度传感器413与第一温度传感器12反馈的数据达到预设值，第二温度传感器34未达到预设值时，控制器6控制沥青保温泵41启动，控制空压机451及二位三通电磁阀452工作，气源进入第二气路454使角座阀44打开、气缸32封闭沥青雾化喷嘴，以使沥青从沥青输送管路42进入沥青循环管路43中，此时***处于循环模式，When the data fed back by the third temperature temperature sensor 413 and the first temperature sensor 12 reaches the preset value, and the second temperature sensor 34 does not reach the preset value, the controller 6 controls the asphalt insulation pump 41 to start, and controls the air compressors 451 and the second temperature sensor. The position three-way solenoid valve 452 works, the gas source enters the second gas path 454 to open the angle seat valve 44, and the cylinder 32 closes the asphalt atomizing nozzle, so that the asphalt enters the asphalt circulation pipe 43 from the asphalt conveying pipe 42. The system is in cyclic mode,
当第一温度传感器12、第二温度传感器34及第三温度传感器413反馈的数据均达到预设值时，控制器6控制空压机451及二位三通电磁阀452工作，气源进入第一气路453使角座阀44关闭、气缸32打开沥青雾化喷嘴并控制第一流体阀54开启、第二流体阀55锁止，以使沥青和水同时进入发泡腔中进行发泡，此时***处于发泡模式。When the data fed back by the first temperature sensor 12, the second temperature sensor 34, and the third temperature sensor 413 all reach the preset value, the controller 6 controls the air compressor 451 and the two-position three-way solenoid valve 452 to work, and the air source enters the first An air path 453 closes the angle seat valve 44, the cylinder 32 opens the asphalt atomizing nozzle and controls the first fluid valve 54 to open and the second fluid valve 55 to lock, so that the asphalt and water enter the foaming cavity at the same time for foaming. The system is now in foaming mode.
本申请通过设置沥青循环装置4、水循环装置5与控制器6配合，使水和沥 青可在发泡枪3满足发泡条件时，经水雾化喷嘴和沥青雾化喷嘴同时进入发泡枪3中进行发泡，提高水与沥青的混合效果，提高沥青的发泡质量，满足发泡沥青施工的作业要求，保证路面的作业质量，且沥青与水都设计有发泡模式与循环模式，确保沥青和水在短时间内达到符合试验标准的压力，保证沥青发泡质量。In this application, the asphalt circulation device 4, the water circulation device 5 and the controller 6 are set to cooperate so that water and asphalt can enter the foaming gun 3 through the water atomizing nozzle and the asphalt atomizing nozzle at the same time when the foaming gun 3 meets the foaming conditions. In the process of foaming, it can improve the mixing effect of water and asphalt, improve the foaming quality of asphalt, meet the operation requirements of foamed asphalt construction, and ensure the operation quality of the pavement, and the asphalt and water are designed with foaming mode and circulation mode to ensure Asphalt and water reach a pressure that meets the test standard in a short time, ensuring the quality of asphalt foaming.
以上所述，仅为本实用新型的较佳实施例而已，故不能以此限定本实用新型实施的范围，即依本实用新型申请专利范围及说明书内容所作的等效变化与修饰，皆应仍属本实用新型专利涵盖的范围内。The above are only the preferred embodiments of the present utility model, so the scope of implementation of the present utility model cannot be limited by this. That is, the equivalent changes and modifications made according to the scope of patent application of the utility model and the contents of the specification should still be used. It falls within the scope of the utility model patent.

Claims (10)

  1. 一种沥青发泡***，其特征在于：包括沥青加热罐、储水罐、发泡枪、沥青循环装置、水循环装置和控制器，沥青加热罐用于加热沥青，包括用于存储沥青的沥青罐、设置在沥青罐中的沥青加热板和设置在沥青罐中用于检测沥青温度的第一温度传感器；发泡枪对同时进入的沥青和水进行混合发泡，其上设置有发泡加热板和第二温度传感器；沥青循环装置设置在沥青加热罐与发泡枪之间，可使沥青加热罐中的沥青进入发泡枪或使沥青在沥青循环装置与沥青加热罐之间循环流动；水循环装置设置在储水罐与发泡枪之间，可使储水罐中的水进入发泡枪或使水在储水罐与水循环装置之间循环流动；控制器分别与第一温度传感器、第二温度传感器、沥青循环装置和水循环装置连接，根据第一温度传感器与第二温度传感器反馈的数据，控制沥青循环装置和水循环装置工作。An asphalt foaming system, which is characterized in that it includes an asphalt heating tank, a water storage tank, a foaming gun, an asphalt circulation device, a water circulation device, and a controller. The asphalt heating tank is used for heating asphalt and includes an asphalt tank for storing asphalt. , The asphalt heating plate set in the asphalt tank and the first temperature sensor set in the asphalt tank for detecting the temperature of the asphalt; the foaming gun mixes and foams the asphalt and water that enters at the same time, and the foaming heating plate is set on it And the second temperature sensor; the asphalt circulation device is set between the asphalt heating tank and the foaming gun, which can make the asphalt in the asphalt heating tank enter the foaming gun or make the asphalt circulate between the asphalt circulation device and the asphalt heating tank; water circulation The device is arranged between the water storage tank and the foaming gun, which can make the water in the water storage tank enter the foaming gun or make the water circulate between the water storage tank and the water circulation device; the controller is respectively connected with the first temperature sensor and the second temperature sensor. Second, the temperature sensor, the asphalt circulation device and the water circulation device are connected, and the operation of the asphalt circulation device and the water circulation device is controlled according to the data fed back from the first temperature sensor and the second temperature sensor.
  2. 根据权利要求1所述的一种沥青发泡***，其特征在于：所述发泡枪包括壳体、沥青雾化喷嘴、水雾化喷嘴和气缸，壳体内部形成有发泡腔；沥青雾化喷嘴设置在发泡腔上端与发泡腔相对；水雾化喷嘴设置在壳体与发泡腔相对；气缸设置在壳体顶部位于沥青雾化喷嘴上方，包括可来回伸缩以打开或封闭沥青雾化喷嘴的伸缩杆。The asphalt foaming system according to claim 1, wherein the foaming gun includes a shell, an asphalt atomizing nozzle, a water atomizing nozzle, and a cylinder, and a foaming cavity is formed inside the shell; The spray nozzle is arranged on the upper end of the foaming cavity opposite to the foaming cavity; the water atomizing nozzle is arranged on the shell opposite to the foaming cavity; the air cylinder is arranged on the top of the shell and above the asphalt atomizing nozzle, including retractable back and forth to open or close the asphalt Telescopic rod for atomizing nozzle.
  3. 根据权利要求2所述的一种沥青发泡***，其特征在于：所述沥青循环装置包括与沥青罐连接的沥青保温泵、连接在沥青保温泵与发泡枪之间的沥青输送管路、连接在发泡枪与沥青罐之间的沥青循环管路、设置在沥青循环管路上的角座阀和和分别连接角座阀与气缸以控制沥青走向的气路组件，所述控制器与气路组件连接，当第一温度传感器与第二温度传感器反馈的数据均达到预设值时，控制器控制气路组件使角座阀锁止、气缸打开发泡腔上端，以使沥青从输送管路进入发泡枪中；当第二温度传感器反馈的数据未达到预设值时，控 制器控制气路组件使角座阀打开、气缸封闭发泡腔上端，以使沥青从沥青输送管路进入沥青循环管路中。The asphalt foaming system according to claim 2, characterized in that: the asphalt circulation device comprises an asphalt insulation pump connected with an asphalt tank, an asphalt conveying pipeline connected between the asphalt insulation pump and the foaming gun, The asphalt circulation pipeline connected between the foaming gun and the asphalt tank, the angle seat valve arranged on the asphalt circulation pipeline, and the gas circuit assembly respectively connecting the angle seat valve and the cylinder to control the asphalt direction, the controller and the gas When the data fed back from the first temperature sensor and the second temperature sensor both reach the preset value, the controller controls the air circuit assembly to lock the angle seat valve and the cylinder to open the upper end of the foaming chamber, so that the asphalt will flow from the conveying pipe. The road enters the foaming gun; when the data fed back by the second temperature sensor does not reach the preset value, the controller controls the air circuit assembly to open the angle seat valve and the cylinder to close the upper end of the foaming cavity, so that the asphalt enters from the asphalt conveying pipeline In the asphalt circulation pipeline.
  4. 根据权利要求3所述的一种沥青发泡***，其特征在于：所述气路组件包括空压机、与空压机连接的二位三通电磁阀、设置在角座阀与气缸之间连接二位三通电磁阀的第一气路和设置在角座阀与气缸之间连接二位三通电磁阀的第二气路，所述控制器分别与空压机和二位三通电磁阀连接，当第一温度传感器与第二温度传感器反馈的数据均达到预设值时，控制器控制二位三通电磁阀工作，气源进入第一气路使角座阀锁止、气缸打开发泡腔上端，以使沥青从输送管路进入发泡枪中；当第二温度传感器反馈的数据未达到预设值时，控制器控制二位三通电磁阀工作，气源进入第二气路使角座阀打开、气缸封闭发泡腔上端，以使沥青沥青输送管路进入沥青循环管路中。The asphalt foaming system according to claim 3, characterized in that: the air circuit assembly includes an air compressor, a two-position three-way solenoid valve connected with the air compressor, and is arranged between the angle seat valve and the cylinder The first gas path connected to the two-position three-way solenoid valve and the second gas path arranged between the angle seat valve and the cylinder to connect the two-position three-way solenoid valve, the controller is respectively connected to the air compressor and the two-position three-way solenoid valve The valve is connected. When the data fed back by the first temperature sensor and the second temperature sensor both reach the preset value, the controller controls the two-position three-way solenoid valve to work, and the air source enters the first air path to lock the angle seat valve and the cylinder to open. Develop the upper end of the bubble cavity so that the asphalt enters the foaming gun from the conveying pipeline; when the data fed back by the second temperature sensor does not reach the preset value, the controller controls the two-position three-way solenoid valve to work, and the gas source enters the second gas The road opens the angle seat valve and the cylinder closes the upper end of the foaming cavity, so that the asphalt conveying pipeline enters the asphalt circulation pipeline.
  5. 根据权利要求3所述的一种沥青发泡***，其特征在于：所述沥青保温泵包括泵体、设置在泵体上的铝加热板和设置在泵体上的第三温度传感器，泵体与第三温度传感器分别与控制器连接，当第一温度传感器与第三温度传感器反馈的数据均达到预设值时，控制器控制泵体工作，以使沥青进入发泡枪进行发泡或进入沥青循环管路进行循环。The asphalt foaming system according to claim 3, wherein the asphalt insulation pump includes a pump body, an aluminum heating plate arranged on the pump body, and a third temperature sensor arranged on the pump body. Connect with the third temperature sensor respectively to the controller. When the data fed back by the first temperature sensor and the third temperature sensor both reach the preset value, the controller controls the pump body to work so that the asphalt enters the foaming gun for foaming or entering Asphalt circulation pipelines circulate.
  6. 根据权利要求1所述的一种沥青发泡***，奇特征在于：所述沥青输送管路上设置有第一压力变送器。The asphalt foaming system according to claim 1, characterized in that: a first pressure transmitter is provided on the asphalt conveying pipeline.
  7. 根据权利要求1所述的一种沥青发泡***，其特征在于：所述水循环装置包括与储水罐连接的水泵、连接在水泵与发泡枪之间的水输送管路、连接在水输送管路与储水罐之间的水循环管路、设置在水输送管路上的第一流体阀和设置在水循环管路上的第二流体阀，水泵、第一流体阀、第二流体阀分别与控制器连接，当第一温度传感器与第二温度传感器反馈的数据均达到预设值时， 控制器控制第一流体阀开启、第二流体阀锁止，以使水进入发泡枪中；当第二温度传感器反馈的数据未达到预设值时，控制器控制第一流体阀锁止、第二流体阀开启，以使水进入水循环管路中。The asphalt foaming system according to claim 1, wherein the water circulation device includes a water pump connected to the water storage tank, a water delivery pipeline connected between the water pump and the foaming gun, and The water circulation pipeline between the pipeline and the water storage tank, the first fluid valve arranged on the water delivery pipeline and the second fluid valve arranged on the water circulation pipeline, the water pump, the first fluid valve, and the second fluid valve are respectively connected with the control When the data fed back by the first temperature sensor and the second temperature sensor both reach the preset value, the controller controls the first fluid valve to open and the second fluid valve to lock, so that water enters the foaming gun; When the data fed back by the second temperature sensor does not reach the preset value, the controller controls the first fluid valve to be locked and the second fluid valve to open, so that water enters the water circulation pipeline.
  8. 根据权利要求7所述的一种沥青发泡***，其特征在于：所述水输送管路上设置有第二压力变送器。The asphalt foaming system according to claim 7, wherein a second pressure transmitter is provided on the water conveying pipeline.
  9. 根据权利要求1所述的一种沥青发泡***，其特征在于：还包括用于对从发泡枪出来的发泡沥青进行信息采集的发泡采样装置，所述控制器与发泡采样装置连接，处理发泡采样装置反馈的信息以判定沥青发泡的效果。An asphalt foaming system according to claim 1, characterized in that it further comprises a foaming sampling device for collecting information on the foamed asphalt coming out of the foaming gun, the controller and the foaming sampling device Connect and process the feedback information from the foaming sampling device to determine the effect of asphalt foaming.
  10. 根据权利要求9所述的一种沥青发泡***，其特征在于：所述发泡采样装置包括有对取样发泡沥青进行称重的重量传感器。The asphalt foaming system according to claim 9, wherein the foaming sampling device includes a weight sensor for weighing the sampled foamed asphalt.
PCT/CN2021/075421 2020-06-24 2021-02-05 Asphalt foaming system WO2021258742A1 (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990684A (en) * 1974-03-28 1976-11-09 Abie Seskin Materials mixing apparatus
FR2729407A1 (en) * 1994-12-29 1996-07-19 Dubrac Freres Method of production of asphalt and bituminous mastics
CN102587257A (en) * 2012-03-11 2012-07-18 彭淑琴 Foamed asphalt preparer and full automatic foamed asphalt preparation device
CN102747667A (en) * 2012-07-05 2012-10-24 福建南方路面机械有限公司 Foamed asphalt generation system
CN203096556U (en) * 2013-03-13 2013-07-31 山东省路桥集团有限公司 Asphalt foaming device
EP2657405A2 (en) * 2012-04-25 2013-10-30 infraTest Prüftechnik GmbH Skimming device, washing device and method and device for separating mineral solids from bituminous building materials
CN105807710A (en) * 2016-04-29 2016-07-27 福建铁拓机械有限公司 Quantitative feeding device and method for asphalt foaming experiment
CN206204742U (en) * 2016-11-24 2017-05-31 长安大学 A kind of pure electronic foamed asphalt distribution vehicle
CN207362639U (en) * 2017-10-31 2018-05-15 福建南方路面机械有限公司 A kind of heating for asphalt foaming and temperature regulating device and asphalt foaming system
JP2020007730A (en) * 2018-07-04 2020-01-16 株式会社安藤・間 Movable measuring device of water content, and rolling compaction method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990684A (en) * 1974-03-28 1976-11-09 Abie Seskin Materials mixing apparatus
FR2729407A1 (en) * 1994-12-29 1996-07-19 Dubrac Freres Method of production of asphalt and bituminous mastics
CN102587257A (en) * 2012-03-11 2012-07-18 彭淑琴 Foamed asphalt preparer and full automatic foamed asphalt preparation device
EP2657405A2 (en) * 2012-04-25 2013-10-30 infraTest Prüftechnik GmbH Skimming device, washing device and method and device for separating mineral solids from bituminous building materials
CN102747667A (en) * 2012-07-05 2012-10-24 福建南方路面机械有限公司 Foamed asphalt generation system
CN203096556U (en) * 2013-03-13 2013-07-31 山东省路桥集团有限公司 Asphalt foaming device
CN105807710A (en) * 2016-04-29 2016-07-27 福建铁拓机械有限公司 Quantitative feeding device and method for asphalt foaming experiment
CN206204742U (en) * 2016-11-24 2017-05-31 长安大学 A kind of pure electronic foamed asphalt distribution vehicle
CN207362639U (en) * 2017-10-31 2018-05-15 福建南方路面机械有限公司 A kind of heating for asphalt foaming and temperature regulating device and asphalt foaming system
JP2020007730A (en) * 2018-07-04 2020-01-16 株式会社安藤・間 Movable measuring device of water content, and rolling compaction method

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