CN210561591U - Asphalt mortar foaming system - Google Patents
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- CN210561591U CN210561591U CN201921169258.9U CN201921169258U CN210561591U CN 210561591 U CN210561591 U CN 210561591U CN 201921169258 U CN201921169258 U CN 201921169258U CN 210561591 U CN210561591 U CN 210561591U
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Abstract
The utility model provides an asphalt mortar foaming system, including the foaming mechanism, steam supply mechanism, asphalt mortar supply mechanism and controlling means, asphalt mortar supply mechanism is including the asphalt mortar jar that is used for mixing old and useless pitch and new pitch, be used for handling and carry old and useless pitch to the old and useless pitch processing apparatus of asphalt mortar jar, an asphalt jar for carrying new pitch to asphalt mortar jar, through carrying out crushing and screening to the old and useless pitch of retrieving, mix the stirring with new pitch after, foam again, in order to obtain the foaming pitch, realize the recycle to old and useless pitch, reduce the pollution to the environment and can improve foaming expansion rate and half-life simultaneously.
Description
Technical Field
The utility model belongs to foaming pitch preparation field, concretely relates to asphalt mortar foaming system.
Background
In modern road construction, a large amount of asphalt is needed, and road builders in various countries want to use various methods to study how to save the amount of asphalt on the premise of ensuring the quality of asphalt pavement due to the continuous increase of the price of asphalt, and foamed asphalt is one of the new methods. Compared with the common asphalt mixture, the asphalt mixture prepared by mixing the foamed asphalt has the following advantages: 1. the consumption of asphalt can be reduced by 5-10%; 2. because the foamed asphalt has low viscosity, the time for mixing the asphalt mixture can be reduced by 15-20 percent, and the productivity is improved; 3. the heating temperature of the asphalt and the mineral aggregate can be reduced, so that the heat energy consumption in the production process is reduced, and the aging degree of the asphalt is also reduced.
The foamed asphalt is an asphalt-gas system made up by using hot asphalt and foaming medium (water, steam or foaming agent) to quickly fill countless bubbles with different diameters into asphalt in the course of foaming process, and can quickly increase the surface area of asphalt and make the volume of asphalt be increased by 10-15 times, and can correspondingly increase its surface free energy, and when the foamed asphalt is mixed with mineral material, the asphalt can be quickly and uniformly diffused onto the surface of mineral material under the action of free energy to form asphalt film, so that the asphalt and mineral material can be tightly combined together.
Along with the renovation and reconstruction of domestic expressways, a large amount of waste materials can be generated, so that resource waste and environmental pollution are caused, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's shortcoming, providing a pitch mortar foaming system who realizes old and useless pitch and new pitch mixed foaming.
The utility model adopts the following technical scheme:
an asphalt mortar foaming system comprises a foaming mechanism, a water vapor supply mechanism, an asphalt mortar supply mechanism and a control device,
the foaming mechanism comprises a foaming cavity formed with a foaming chamber and a circulating chamber, an asphalt mortar discharge nozzle arranged on the circulating chamber and used for discharging asphalt mortar circulating in the circulating chamber to the foaming chamber, a foaming discharge nozzle arranged on the foaming chamber and used for discharging foamed asphalt mortar, and a cylinder arranged on the circulating chamber and used for controlling the discharge of the asphalt mortar circulating in the circulating chamber from the asphalt mortar discharge nozzle;
the water-gas supply mechanism comprises an atomizing nozzle communicated with the foaming chamber, a water-gas mixing pipeline communicated with the atomizing nozzle, a gas source supply device used for supplying gas to the water-gas mixing pipeline and a water source supply device used for supplying water to the water-gas mixing pipeline;
the asphalt mortar supply mechanism comprises a conveying pipeline communicated with the circulation chamber, an asphalt mortar tank which is communicated with the conveying pipeline and is used for mixing waste asphalt and new asphalt, a waste asphalt treatment device which is used for treating and conveying the waste asphalt to the asphalt mortar tank, an asphalt tank which is used for conveying the new asphalt to the asphalt mortar tank and a circulation pipeline which is arranged between the circulation chamber and the asphalt mortar tank, wherein the circulation pipeline is arranged above the conveying pipeline;
the control device is respectively connected with the foaming mechanism, the water-gas supply mechanism and the asphalt mortar supply mechanism, controls mixed water gas to enter the foaming chamber from the atomizing nozzle, controls the cylinder to move so that the asphalt mortar discharge nozzle sprays asphalt mortar to the foaming chamber, controls the waste asphalt treatment device to convey waste asphalt to the asphalt mortar tank, controls the asphalt tank to convey new asphalt to the asphalt mortar tank, and controls the asphalt mortar tank to mix the waste asphalt with the new asphalt.
Furthermore, the asphalt mortar discharging nozzle is arranged at the joint of the circulating chamber and the foaming chamber, the asphalt mortar discharging nozzle is provided with a material channel for communicating the circulating chamber and the foaming chamber, the air cylinder comprises a driving rod, and the driving rod can seal the material channel to enable the asphalt mortar to circulate between the circulating chamber and the asphalt mortar tank or can open the material channel to enable the asphalt mortar to enter the foaming chamber from the material channel.
Furthermore, an asphalt mortar stop valve connected with the control device is arranged on the circulating pipeline, and when the material channel is opened by the air cylinder to enable asphalt mortar to enter the foaming chamber from the material channel, the asphalt mortar stop valve works to enable the circulating chamber and the asphalt mortar tank to be in a non-communicated state.
Further, old and useless pitch processing apparatus includes old and useless pitch processing jar and reclaimed materials measurement conveying component, and old and useless pitch processing jar is used for the waste and useless pitch of breakage, screening and storage recovery, and reclaimed materials measurement conveying component one end is connected with old and useless pitch jar output, and the other end is connected with pitch mortar jar input, measures and carries old and useless pitch to pitch mortar jar.
Further, the asphalt tank comprises an asphalt tank body for storing new asphalt, an asphalt heating assembly arranged in the asphalt tank body, a first temperature detection device arranged in the asphalt tank body, and an asphalt metering and conveying assembly, wherein one end of the asphalt metering and conveying assembly is connected with the output end of the asphalt tank body, the other end of the asphalt metering and conveying assembly is connected with the input end of the asphalt mortar tank, and the asphalt metering and conveying assembly meters and conveys the new asphalt to the asphalt mortar tank.
Further, the asphalt mortar tank comprises an asphalt mortar tank body, a stirring assembly arranged in the asphalt mortar tank body, an asphalt mortar heating assembly arranged in the asphalt mortar tank body, a second temperature detection device arranged in the asphalt mortar tank body, a high liquid level detection device arranged in the asphalt mortar tank body and a low liquid level detection device arranged in the asphalt mortar tank body, wherein the high liquid level detection device and the low liquid level detection device are respectively connected with a control device, and the control device controls the conveying speed of the asphalt metering conveying assembly and the reclaimed material metering conveying assembly according to the liquid level conditions of the asphalt mortar in the asphalt mortar tank body fed back by the high liquid level detection device and the low liquid level detection device.
Furthermore, a foaming heating assembly and a third temperature detection device which are respectively connected with the control device are arranged in the foaming chamber, the third temperature detection device detects the temperature information of the foaming asphalt mortar in the foaming chamber in real time and feeds the temperature information back to the control device, and the control device controls the foaming heating assembly to work according to the temperature information fed back by the third temperature detection device.
Further, the air source supply device comprises an air source, an air path connected between the air source and the water-air mixing pipeline, an air path pressure regulating valve, an air path pressure detecting device, an air path electromagnetic valve and an air path one-way valve, wherein the air path pressure regulating valve, the air path pressure detecting device, the air path electromagnetic valve and the air path one-way valve are arranged on the air path and are respectively connected with the control.
Furthermore, the air cylinder is connected with the air source through a two-position five-way electromagnetic valve, the two-position five-way electromagnetic valve is connected with the control device, and the two-position five-way electromagnetic valve is controlled through the control hole device to control the air cylinder to work.
Furthermore, the water source supply device comprises a water source, a water path, a water source delivery pump, a filter, an electromagnetic flow meter, a water path electromagnetic valve, a water path one-way valve and a water source loop, wherein the water path is connected between the water source and the water-gas mixing pipeline; the water source delivery pump, the filter, the electromagnetic flow meter, the waterway electromagnetic valve and the waterway one-way valve are sequentially arranged on the waterway; one end of the water source loop is connected with a water source, the other end of the water source loop is connected with a pipeline between the water path electromagnetic valve and the one-way valve, and a water source stop valve is arranged on the water source loop.
It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the recycled waste asphalt is crushed and screened, mixed and stirred with new asphalt and then foamed to obtain solid-liquid mixed foamed asphalt mortar, the prepared foamed asphalt mortar can be directly used as a road building material, subsequent operation is not needed, 100% recycling of the waste asphalt is realized, the pollution to the environment is reduced, and meanwhile, a water source and an air source are firstly mixed in a water-gas mixing pipeline and then mixed and foamed with the asphalt mortar, so that the foaming expansion rate and the half-life period can be improved;
the water vapor which is fully mixed is sent into the foaming chamber through the water vapor mixing pipeline and is foamed with the asphalt mortar, the asphalt mortar and the mixed water vapor can be quickly and uniformly mixed and foamed in the foaming chamber, and the asphalt foaming effect is greatly improved;
the work of the air cylinder and the asphalt mortar stop valve is controlled to enable the asphalt mortar to be in a circulating state or enter a foaming chamber for foaming, so that the continuity of the asphalt mortar foaming process is ensured, and the production efficiency is improved;
the water source supply device comprises a water source loop, a water source stop valve and a water source electromagnetic valve, and the water source loop, the water source stop valve and the water source electromagnetic valve are controlled to be opened and closed so that a water source circularly flows between the water channel and the water source pipeline;
the waterway is provided with a waterway one-way valve, so that the water source can not flow reversely after the water source electromagnetic valve is opened;
the gas circuit is provided with a gas circuit one-way valve, so that the gas source can not flow reversely after the gas source solenoid valve is opened.
Drawings
FIG. 1 is a schematic view showing the state of circulation of asphalt mortar of the system;
FIG. 2 is a schematic view showing a state where the asphalt mortar of the system is foamed;
FIG. 3 is a schematic structural diagram of a control device;
in the figure, 1-foaming mechanism, 2-water gas supply mechanism, 3-asphalt mortar supply mechanism, 4-control device, 11-foaming cavity, 111-circulation chamber, 112-foaming chamber, 12-asphalt mortar discharge nozzle, 13-foaming discharge nozzle, 14-cylinder, 141-driving rod, 21-atomizing nozzle, 22-water gas mixing pipeline, 23-gas source supply device, 231-gas source, 232-gas path, 233-gas path pressure regulating valve, 234-gas path pressure detecting device, 235-gas path electromagnetic valve 236-gas path one-way valve, 24-water path supply device, 241-water source, 242-water path, 243-water source delivery pump, 244-filter, 245-electromagnetic flowmeter, 246-water path electromagnetic valve, 247-water path one-way valve, 248-water source loop, 249-water source stop valve, 25-two-position five-way electromagnetic valve, 26-asphalt mortar electromagnetic valve, 31-conveying pipeline, 311-asphalt mortar conveying pump, 312-asphalt mortar flow detection device, 313-conveying pipeline pressure detection device, 314-conveying pipeline heating device, 315-conveying pipeline temperature detection device, 32-asphalt mortar tank, 321-asphalt mortar tank body, 322-stirring component, 323-high liquid level detection device, 324-second temperature detection device, 325-low liquid level detection device, 326-asphalt mortar heating component, 33-waste asphalt treatment device, 331-waste asphalt treatment tank, 332-reclaimed material metering conveying component, 34-asphalt tank, 341-asphalt tank body, and, 342-asphalt metering and conveying component, 343-asphalt conveying pipeline, 344-asphalt conveying management heating device, 35-circulating pipeline, 351-asphalt mortar stop valve, 352-circulating pipeline heating device, 41-central processing unit, 42-control panel, 421-power button, 422-water button, 423-gas button, 424-asphalt mortar button, 425-foaming button, 426-conveying device button and 427-emergency stop button.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 3, an asphalt mortar foaming system includes a foaming mechanism 1, a water vapor supply mechanism 2, an asphalt mortar supply mechanism 3, and a control device 4.
The foaming mechanism 1 comprises a foaming cavity 11, an asphalt mortar discharge nozzle 12, a foaming discharge nozzle 13, an air cylinder 14, a foaming heating component and a third temperature detection device, wherein the foaming cavity 11 comprises a circulation chamber 111 and a foaming chamber 112 which are sequentially arranged from top to bottom; the asphalt mortar discharging nozzle 12 is arranged at the joint of the circulating chamber 111 and the foaming chamber 112, and the asphalt mortar discharging nozzle 12 is provided with a material channel for communicating the circulating chamber 111 and the foaming chamber 112; the foaming discharge nozzle 13 is arranged at the bottom of the foaming chamber 112 to discharge the foamed asphalt mortar; the air cylinder 14 is arranged on the circulation chamber 111 and controls the asphalt mortar in the circulation chamber 111 to be discharged from the asphalt mortar discharge nozzle 12 to the foaming chamber 112, and comprises a driving rod 141 which can move up and down in the circulation chamber 112, and the driving rod 141 can seal a material channel to circulate the asphalt mortar between the circulation chamber 112 and the asphalt mortar supply mechanism 3 or open the material channel to enable the asphalt mortar to enter the foaming chamber 112 from the material channel; a foaming heating component is arranged in the foaming chamber 112, is connected with the control device 4, and is used for heating the asphalt mortar foamed in the foaming chamber 112, and the foaming heating component can be an electric heating wire arranged in the foaming chamber 112 or other heating components capable of heating fluid; the third temperature detecting device is disposed in the foaming chamber 112, and is connected to the control device 4, and is configured to detect the temperature of the foamed asphalt mortar in the foaming chamber 112 in real time and feed back the temperature to the control device 4, and the control device 4 controls the foaming heating component according to the temperature information of the foamed asphalt mortar fed back by the third temperature sensor, so that the foamed asphalt mortar in the foaming chamber 112 is at a relatively stable foaming temperature, and the third temperature detecting device may be a temperature sensor.
The water-gas supply mechanism 2 comprises an atomizing nozzle 21, a water-gas mixing pipeline 22, a gas source supply device 23, a water source supply device 24, a two-position five-way electromagnetic valve 25 and an asphalt mortar electromagnetic valve 26, the atomizing nozzle 21 is communicated with the foaming chamber 112, and the water-gas mixed in the water-gas mixing pipeline 22 is sprayed into the foaming chamber 112; one end of the water-gas mixing pipeline 22 is connected with the atomizing nozzle 21, and the other end is respectively connected with the water source supply device 24 and the air source supply device 23; the air source supply device 23 comprises an air source 231, an air path 232 connected between the air source 231 and the water-gas mixing pipeline 22, an air path pressure regulating valve 233, an air path pressure detecting device 234, an air path electromagnetic valve 235 and an air path one-way valve 236 which are sequentially arranged on the air path 231 and respectively connected with the control device, wherein the air path one-way valve 236 prevents the air source from reversely flowing; the water source supply device 24 comprises a water source 241, a water path 242, a water source delivery pump 243, a filter 244, an electromagnetic flowmeter 245, a water path solenoid valve 246, a water path check valve 247, a water source loop 248 and a water source stop valve 249, wherein the water path 242 is connected between the water source 241 and the water-air mixing pipeline 22, the water source delivery pump 243, the filter 244, the electromagnetic flowmeter 245, the water path solenoid valve 246 and the water path check valve 247 are sequentially arranged on the water path 242, wherein the water source delivery pump 243, the electromagnetic flowmeter 245, the water path electromagnetic valve 246 and the water path one-way valve 247 are respectively connected with the control device 4, one end of the water source loop 248 is connected with the water source 241, the other end is connected with a pipeline between the water path electromagnetic valve 246 and the water path one-way valve 247, the water path stop valve 249 is arranged on the water source loop 248 and is connected with the control device 4, when the asphalt mortar enters the foaming chamber 112, the control device 4 controls the water source stop valve 249 to be closed, and the water source 241 enters the water-air mixing pipeline 22 through the water path 242; one end of a two-position five-way electromagnetic valve 25 is connected with the air cylinder 14, the other end of the two-position five-way electromagnetic valve 25 is connected with an air source 231, the two-position five-way electromagnetic valve 25 is connected with the control device 4, and the two-position five-way electromagnetic valve 25 is controlled by the control device 4 to control the air cylinder 14 to work so that the asphalt mortar enters the foaming chamber 112 for foaming; the asphalt mortar electromagnetic valve 26 is connected with an air source 231.
The asphalt mortar supply mechanism 3 comprises a conveying pipeline 31, an asphalt mortar tank 32, a waste asphalt treatment device 33, an asphalt tank 34 and a circulating pipeline 35, wherein one end of the conveying pipeline 31 is communicated with the circulating chamber 111, the other end of the conveying pipeline 31 is communicated with the asphalt mortar tank 32, the mixed asphalt mortar in the asphalt mortar tank 32 is conveyed into the circulating chamber 111, an asphalt mortar conveying pump 311, an asphalt mortar flow detection device 312, a conveying pipeline pressure detection device 313, a conveying pipeline heating device 314 and a conveying pipeline temperature detection device 315 are sequentially arranged on the conveying pipeline 31, the asphalt mortar conveying pump 311, the asphalt mortar flow detection device 312, the conveying pipeline pressure detection device 313, the conveying pipeline heating device 314 and the conveying pipeline temperature detection device 315 are respectively connected with the control device 4, the conveying pipeline heating device 314 can reduce the heat loss in the asphalt mortar conveying process, and the conveying pipeline heating device 314 can be a heating device commonly used in the asphalt field, the delivery line temperature detection device 315 may be a temperature sensor, and the delivery line pressure detection device 313 may be a pressure sensor.
The circulation pipeline 35 has one end connected to the circulation chamber 111 and the other end connected to the asphalt mortar tank 32, the asphalt mortar can flow between the circulation chamber 111 and the asphalt mortar tank 32 through the conveying pipeline 31 and the circulation pipeline 35 before foaming, the circulation pipeline 35 is provided with a circulation pipeline heating device 352 and an asphalt mortar stop valve 351, the circulation pipeline heating device 352 can reduce heat loss in the asphalt mortar circulation process, the circulation pipeline heating device 352 can be a heat conduction oil heating device commonly used in the asphalt field, the asphalt mortar stop valve 351 is connected to the asphalt mortar electromagnetic valve 26, and when the cylinder 14 opens the material channel to enable the asphalt mortar to enter the foaming chamber 112 from the material channel, the control device 4 controls the asphalt mortar electromagnetic valve 26 to close the asphalt mortar stop valve 351 to enable the circulation chamber 111 and the asphalt mortar tank 32 to be in a non-connection state.
The waste asphalt treatment device 33 comprises a waste asphalt treatment tank 331 and a reclaimed material metering and conveying assembly 332, the waste asphalt treatment tank 331 is used for crushing, screening and storing recycled waste asphalt, a crushing roller and a vibration screening device can be arranged in the waste asphalt treatment tank 331 to keep the particle size of the waste asphalt participating in foaming within a certain range, the reclaimed material metering and conveying assembly 332 is connected with the control device 4, one end of the reclaimed material metering and conveying assembly is connected with the output end of the waste asphalt treatment tank 331, the other end of the reclaimed material metering and conveying assembly is connected with the input end of the mortar asphalt tank 32, and the crushed and screened waste asphalt is metered and conveyed to the asphalt mortar tank 32.
The asphalt tank 34 comprises an asphalt tank 341, an asphalt heating assembly, a first temperature detection device, an asphalt metering and conveying assembly 342 and an asphalt conveying pipeline 343, wherein the asphalt tank 341 is used for storing new asphalt; the asphalt heating component is arranged in the asphalt tank 341, connected with the control device 4, and used for heating the new asphalt in the asphalt tank 341, and the asphalt heating component can be an electric heating wire arranged in the asphalt tank 341 or other heating components commonly used in the asphalt preparation field; the first temperature detection device is arranged in the asphalt tank 341 and connected with the control device 4, detects the temperature information of the new asphalt in the asphalt tank 341 in real time and feeds the temperature information back to the control device 4, and the control device 4 controls the asphalt heating component to work according to the temperature information fed back by the first temperature detection device; the asphalt metering and conveying component 342 is connected with the control device 4, one end of the asphalt metering and conveying component is connected with the output end of the asphalt tank 341, the other end of the asphalt metering and conveying component is connected with the asphalt mortar tank 32, and the heated new asphalt is metered and conveyed into the asphalt mortar tank 32; the asphalt conveying pipeline 343 is arranged between the asphalt metering and conveying assembly 342 and the asphalt mortar tank 341, an asphalt conveying pipeline heating device 344 is arranged on the asphalt conveying pipeline 343 to reduce the loss of heat of new asphalt in the conveying process, and the asphalt conveying pipeline heating device 344 can be a heat conduction oil heating device commonly used in the asphalt field.
The asphalt mortar tank 32 comprises an asphalt mortar tank body 321, a stirring component 322, an asphalt mortar heating component 326, a second temperature detection device 324, a high liquid level detection device 323 and a low liquid level detection device 325, wherein the stirring component 322 is arranged in the asphalt mortar tank body 321 and is connected with the control device 4, so that waste asphalt and new asphalt entering the asphalt mortar tank body 321 are uniformly mixed into asphalt mortar, and the stirring component 322 can be a stirring paddle or other stirring components commonly used in the asphalt preparation field; the asphalt mortar heating assembly 326 is arranged in the asphalt mortar tank 321 and connected with the control device 4, so that the temperature of the asphalt mortar in the asphalt mortar tank 321 is relatively stable within a certain range, and the asphalt mortar heating assembly 326 can be an electric heating wire arranged in the asphalt mortar tank 321 or a heating assembly commonly used in the asphalt preparation field; the second temperature detection device 324 is disposed in the asphalt mortar tank 321, and is connected to the control device 4, and is configured to detect the temperature of the asphalt mortar in the asphalt mortar tank 321 in real time and feed back the detected temperature to the control device 4, the control device 4 controls the operation of the asphalt mortar heating assembly 326 according to the temperature information of the asphalt mortar fed back by the second temperature detection device 324, and the second temperature detection device 324 may be a temperature sensor; the high liquid level detection device 323 is arranged in the asphalt mortar tank 321 and connected with the control device 4, when the amount of asphalt mortar in the asphalt mortar tank 321 exceeds a preset maximum liquid level, the high liquid level detection device 323 feeds back a signal to the control device 5, the control device 5 controls the reclaimed material metering and conveying assembly 332 and the asphalt metering and conveying assembly 342 to reduce the conveying speed, and the high liquid level detection device 323 can be a liquid level sensor; the low liquid level detection device 325 is disposed in the asphalt mortar tank 321, and is connected to the control device 4, when the amount of asphalt mortar in the asphalt mortar tank 321 is lower than a preset minimum liquid level, the low liquid level detection device 325 feeds back a signal to the control device 4, the control device 4 controls the recycled material metering and conveying assembly 332 and the asphalt metering and conveying assembly 342 to increase the conveying speed, and the low liquid level detection device 325 may be a liquid level sensor.
The control device 4 comprises a central processing unit 41 and a control panel 42, the central processing unit 41 is respectively connected with the first temperature detection device, the asphalt heating assembly and the asphalt conveying pipeline heating device 344, and the signals fed back by the first temperature detection device are used for controlling the operation of the asphalt heating assembly and the asphalt conveying pipeline heating device 344 so as to control the heating temperature of the new asphalt; the central processing unit 41 is respectively connected with the conveying pipeline heating device 314 and the conveying pipeline temperature detection device 315, and controls the conveying pipeline heating device 314 to work through a signal fed back by the conveying pipeline temperature detection device 315; the central processing unit 41 is respectively connected with the electromagnetic flowmeter 245, the asphalt mortar flow detection device 312, the water source delivery pump 243 and the asphalt mortar delivery pump 311, and the water source delivery pump 243 and the asphalt mortar delivery pump 311 are adjusted through the water flow signal and the asphalt mortar flow signal fed back by the electromagnetic flowmeter 245 and the asphalt mortar flow detection device 312 so as to realize the control of the water flow and the asphalt mortar flow; the central processing unit 41 is respectively connected with the reclaimed material metering and conveying component 332 and the asphalt metering and conveying component 342 to control the proportion of the waste asphalt and the new asphalt in the asphalt mortar tank 32, a power button 421, a water button 422, an air button 423, an asphalt mortar button 424, a foaming button 425, a conveying device button 426 and an emergency stop button 427 which are connected with the central processing unit 41 are arranged on the control panel 42, and the power button 421 is used for controlling the operation and the stop of the system; the scram button 427 can stop the system when the system is in a state; the water button 422 controls the waterway stop valve 249 to close and the waterway solenoid valve 246 to open to control the water source to enter the water-gas mixing pipeline 22; the air button 423 controls the air solenoid valve 235 to start to control the air source to enter the water-air mixing pipeline 22; the conveyor button 426 controls the circulation of the asphalt mortar between the circulation chamber 11 and the asphalt mortar tank 32, and controls the circulation of the water source between the water path 242 and the water source loop 247; the asphalt mortar button 424 controls the asphalt mortar electromagnetic valve 26 to control the asphalt mortar stop valve 351 to be closed, and controls the two-position five-way electromagnetic valve 25 to control the air cylinder 14 to act to open the material channel of the asphalt mortar discharge nozzle 12 so that the asphalt mortar enters the foaming chamber 112; the foaming button 425 controls the water path stop valve 249 to close, the water path solenoid valve 245 to open, the gas path solenoid valve 235 to open, the two-position five-way solenoid valve 25 to open the cylinder 14, and the asphalt mortar solenoid valve 26 to close the asphalt mortar stop valve 351, so that the mixed water vapor and the asphalt mortar enter the foaming chamber 112 from the atomizing nozzle 21 and the asphalt mortar discharge nozzle 12, respectively, to start foaming.
The foaming work of the asphalt mortar comprises the following steps:
firstly, crushing and screening waste asphalt by a waste asphalt treatment device 33 to obtain waste asphalt materials with the particle size of less than 3mm, and then sending the waste asphalt materials to an asphalt mortar tank 32 to be uniformly mixed with heated new asphalt to obtain asphalt mortar;
step two, sending the uniformly mixed asphalt mortar to a circulating chamber 11, discharging the asphalt mortar from an asphalt mortar discharge nozzle 12 to a foaming chamber 112 by controlling the operation of an air cylinder 14, controlling a water source 241 and an air source 231 to enter a water-air mixing pipeline 22, and then entering the foaming chamber 112 to mix and foam with the asphalt mortar to obtain foamed asphalt mortar;
wherein, the weight percentage of the asphalt in the asphalt mortar is 10-12%.
The waste asphalt comprises asphalt and aggregate, the waste asphalt is recycled, crushed and sieved to obtain waste asphalt materials with the particle size of less than 3mm, the waste asphalt materials are uniformly mixed with heated new asphalt to ensure that the weight percentage of the asphalt in the asphalt mortar reaches 10-12%, and then foaming is carried out to obtain solid-liquid mixed foamed asphalt mortar.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (10)
1. The asphalt mortar foaming system is characterized in that: comprises a foaming mechanism, a water vapor supply mechanism, an asphalt mortar supply mechanism and a control device,
the foaming mechanism comprises a foaming cavity formed with a foaming chamber and a circulating chamber, an asphalt mortar discharge nozzle arranged on the circulating chamber and used for discharging asphalt mortar circulating in the circulating chamber to the foaming chamber, a foaming discharge nozzle arranged on the foaming chamber and used for discharging foamed asphalt mortar, and a cylinder arranged on the circulating chamber and used for controlling the discharge of the asphalt mortar circulating in the circulating chamber from the asphalt mortar discharge nozzle;
the water-gas supply mechanism comprises an atomizing nozzle communicated with the foaming chamber, a water-gas mixing pipeline communicated with the atomizing nozzle, a gas source supply device used for supplying gas to the water-gas mixing pipeline and a water source supply device used for supplying water to the water-gas mixing pipeline;
the asphalt mortar supply mechanism comprises a conveying pipeline communicated with the circulation chamber, an asphalt mortar tank which is communicated with the conveying pipeline and is used for mixing waste asphalt and new asphalt, a waste asphalt treatment device which is used for treating and conveying the waste asphalt to the asphalt mortar tank, an asphalt tank which is used for conveying the new asphalt to the asphalt mortar tank and a circulation pipeline which is arranged between the circulation chamber and the asphalt mortar tank, wherein the circulation pipeline is arranged above the conveying pipeline;
the control device is respectively connected with the foaming mechanism, the water-gas supply mechanism and the asphalt mortar supply mechanism, controls mixed water gas to enter the foaming chamber from the atomizing nozzle, controls the cylinder to move so that the asphalt mortar discharge nozzle sprays asphalt mortar to the foaming chamber, controls the waste asphalt treatment device to convey waste asphalt to the asphalt mortar tank, controls the asphalt tank to convey new asphalt to the asphalt mortar tank, and controls the asphalt mortar tank to mix the waste asphalt with the new asphalt.
2. The asphalt mortar foaming system according to claim 1, wherein: the asphalt mortar discharging nozzle is arranged at the joint of the circulating chamber and the foaming chamber, the asphalt mortar discharging nozzle is provided with a material channel for communicating the circulating chamber with the foaming chamber, the air cylinder comprises a driving rod, and the driving rod can seal the material channel to enable the asphalt mortar to circulate between the circulating chamber and the asphalt mortar tank or can open the material channel to enable the asphalt mortar to enter the foaming chamber from the material channel.
3. The asphalt mortar foaming system according to claim 2, wherein: and when the cylinder opens the material channel to enable the asphalt mortar to enter the foaming chamber from the material channel, the asphalt mortar stop valve works to enable the circulation chamber and the asphalt mortar tank to be in a non-communicated state.
4. An asphalt mortar foaming system according to claim 1, 2 or 3, wherein: waste asphalt treatment device includes waste asphalt treatment tank and reclaimed materials measurement conveying component, and waste asphalt treatment tank is used for the waste asphalt of breakage, screening and storage recovery, and reclaimed materials measurement conveying component one end is connected with waste asphalt tank output, and the other end is connected with asphalt mortar jar input, measures and carries waste asphalt to asphalt mortar jar.
5. The asphalt mortar foaming system according to claim 4, wherein: the asphalt tank comprises an asphalt tank body for storing new asphalt, an asphalt heating assembly arranged in the asphalt tank body, a first temperature detection device arranged in the asphalt tank body, and an asphalt metering and conveying assembly, wherein one end of the asphalt metering and conveying assembly is connected with the output end of the asphalt tank body, the other end of the asphalt metering and conveying assembly is connected with the input end of the asphalt mortar tank, and the asphalt metering and conveying assembly meters and conveys the new asphalt to the asphalt mortar tank.
6. The asphalt mortar foaming system according to claim 5, wherein: the asphalt mortar tank comprises an asphalt mortar tank body, a stirring assembly arranged in the asphalt mortar tank body, an asphalt mortar heating assembly arranged in the asphalt mortar tank body, a second temperature detection device arranged in the asphalt mortar tank body, a high liquid level detection device arranged in the asphalt mortar tank body and a low liquid level detection device arranged in the asphalt mortar tank body, wherein the high liquid level detection device and the low liquid level detection device are respectively connected with a control device, and the control device controls the conveying speed of the asphalt metering conveying assembly and the reclaimed material metering conveying assembly according to the liquid level conditions of the asphalt mortar in the asphalt mortar tank body fed back by the high liquid level detection device and the low liquid level detection device.
7. An asphalt mortar foaming system according to claim 1, 2 or 3, wherein: the foaming chamber is internally provided with a foaming heating assembly and a third temperature detection device which are respectively connected with the control device, the third temperature detection device detects the temperature information of the foaming asphalt mortar in the foaming chamber in real time and feeds the temperature information back to the control device, and the control device controls the foaming heating assembly to work according to the temperature information fed back by the third temperature detection device.
8. An asphalt mortar foaming system according to claim 1, 2 or 3, wherein: the air source supply device comprises an air source, an air path connected between the air source and the water-gas mixing pipeline, an air path pressure regulating valve, an air path pressure detection device, an air path electromagnetic valve and an air path one-way valve, wherein the air path pressure regulating valve, the air path pressure detection device, the air path electromagnetic valve and the air path one-way valve are arranged on the air path and are respectively connected with.
9. The asphalt mortar foaming system according to claim 8, wherein: the air cylinder is connected with the air source through a two-position five-way electromagnetic valve, the two-position five-way electromagnetic valve is connected with the control device, and the two-position five-way electromagnetic valve is controlled through the control hole device to control the air cylinder to work.
10. An asphalt mortar foaming system according to claim 1, 2 or 3, wherein: the water source supply device comprises a water source, a water path, a water source delivery pump, a filter, an electromagnetic flowmeter, a water path electromagnetic valve, a water path one-way valve and a water source loop, wherein the water path is connected between the water source and the water-gas mixing pipeline; the water source delivery pump, the filter, the electromagnetic flow meter, the waterway electromagnetic valve and the waterway one-way valve are sequentially arranged on the waterway; one end of the water source loop is connected with a water source, the other end of the water source loop is connected with a pipeline between the water path electromagnetic valve and the one-way valve, and a water source stop valve is arranged on the water source loop.
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| CN201921169258.9U CN210561591U (en) | 2019-07-24 | 2019-07-24 | Asphalt mortar foaming system |
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| CN201921169258.9U CN210561591U (en) | 2019-07-24 | 2019-07-24 | Asphalt mortar foaming system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801497A (en) * | 2022-04-26 | 2022-07-29 | 浙江海印数码科技有限公司 | Foam slurry supply system of digital printing production line |
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2019
- 2019-07-24 CN CN201921169258.9U patent/CN210561591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801497A (en) * | 2022-04-26 | 2022-07-29 | 浙江海印数码科技有限公司 | Foam slurry supply system of digital printing production line |
| CN114801497B (en) * | 2022-04-26 | 2023-02-07 | 浙江海印数码科技有限公司 | Foam slurry supply system of digital printing production line |
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