CN208533322U - A kind of automatic control system of the asphalt foaming machine of modularized design - Google Patents
A kind of automatic control system of the asphalt foaming machine of modularized design Download PDFInfo
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- CN208533322U CN208533322U CN201820852609.5U CN201820852609U CN208533322U CN 208533322 U CN208533322 U CN 208533322U CN 201820852609 U CN201820852609 U CN 201820852609U CN 208533322 U CN208533322 U CN 208533322U
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Abstract
The utility model relates to a kind of automatic control systems of the asphalt foaming machine of modularized design.The automatic control system of the asphalt foaming machine is illustrated design cell by the pipeline in advance in computer or touch screen, according to data such as the models for inputting road construction equipment therein, the dosage of pitch needed for preparing foamed asphalt, foam water and compressed air can be calculated automatically, and calculates the main design parameters of pitch pipeline, foam waterpipe and air pipeline automatically.The utility model can realize flow rate of asphalt and the water consumption that foams accurately controls, it is ensured that the foaming quality of pitch prevents pitch from during heating generating hot-spot and aging, it can be achieved that mix and stir in foaming.
Description
Technical field
The utility model relates to a kind of automatic control systems of the asphalt foaming machine of modularized design.
Background technique
China comes into the extensive road rehabilitation phase, generates a large amount of waste asphalt pavement material, foamed asphalt every year
Regeneration techniques with the unique advantage of its " energy-saving and environmental protection, economy are significant " can Efficient Cycle utilize these materials.
Asphalt foaming be by air, atomization water and be heated to the pitch of certain temperature, while being passed into specific appearance
It is intracavitary, the physical change of a series of complex occurs, fossil bitumen volume is caused to increase rapidly, generates the bubble of similar spongelike structure
Foam pitch.The viscosity of foamed asphalt has significant decrease relative to the viscosity of plain asphalt, and has after mixing and stirring with mixture fine
Wrap up in attached performance, it can be achieved that the road constructions technology such as foamed asphalt regeneration, foamed asphalt warm mix, virgin material cold mixing.But foam drips
Blueness belongs to meta-stable product, there is only tens seconds, is stirring the needs " mixing and stirring in foaming " that mix and stir of plate form rubber (i.e.
It mixes storehouse inner edge sprinkling foamed asphalt and completes stirring before the state that foamed asphalt restores fossil bitumen while mixing and stirring mixture).Bubble
The difficult point of foam bitumen technology is the control of flow rate of asphalt and temperature, and asphalt heating temperature becomes with the variation of environment temperature
Change, the variation of asphalt temperature has an impact to asphalt viscosity and asphalt foaming effect.For make specific temperature pitch and air and
Water reaches foam chamber simultaneously, accurately to control flow rate of asphalt and temperature, and the structure of flow rate of asphalt, asphalt viscosity, pitch pipeline
There is connection between size, asphalt viscosity influences flow velocity of the heated bitumen in pitch pipeline, the effect of structural dimension heat of pitch pipeline
The flow behavior of pitch.
Application No. is: 201210073132.8 patent " a kind of foamed asphalt preparing device and the preparations of full-automatic foam pitch
Device " in the automatic control device that discloses foamed asphalt preparing device and be matched therewith.The invention is by bitumenpump
Output quantity controls flow rate of asphalt, does not consider influence of the pitch pipeline configuration size to heated bitumen and foaming water flow dynamic characteristic.Thing
In reality, pipe design parameter change, the flow behavior of fluid in the duct also changes, and will affect system control flow rate of asphalt
Accuracy.
The technology pattern of use is different, and the road construction equipment relied on is also different.To promote foamed asphalt mixing
Expect construction technology, meets plate form rubber construction requirement, and realize in a manner of " mixing and stirring when in foaming ", it is contemplated that existing
Asphalt foaming is easily set up on the road constructions such as some cold regenerative machines, all kinds of bituminous mixing plants, soil stabilizer equipment to set
It is standby.Currently, the technology of the road constructions such as cold regenerative machine, all kinds of bituminous mixing plants, soil stabilizer equipment is perfect, structure
It has been formed that, and there are larger differences for the construction of these road constructions equipment.If designing a kind of pitch hair of modularized design
Equipment is steeped, can easily dismount, transport, and cold regenerative machine can be assembled into according to the needs of use, all kinds of bituminous mixing plants, stablize soil
In the road constructions such as mixer equipment, it will the working efficiency and utilization rate for improving asphalt foaming machine can be effectively pushed to steep
Foam pitch is the process of the road construction technique of bonding agent.
Utility model content
In view of the deficiency of the prior art, the present invention is intended to provide a kind of asphalt foaming machine of modularized design.
Technical solution of the present invention are as follows:
A kind of asphalt foaming machine of modularized design, including asphalt feeding system, foaming water supply system, humidification water system
System, air supply system and foamed asphalt spray bars 1, it is characterised in that:
Asphalt feeding system, air supply system, foaming water supply system, humidification water system and foamed asphalt spray bars 1
Respectively standalone module；
Foamed asphalt spray bars 1 are by bitumen pipeline 4, compressed air line 5, foaming water lines 6, humidification water lines 7, several
Asphalt nozzle valve 8, foam chamber 9 and cylinder 10 and cylinder driving pipeline 11 form, and set up supporting plate 3 by spray bars and consolidate
Due in mixing chamber 2；Bitumen pipeline 4, compressed air line 5 and foaming water lines 6 are connected with parallel way and each foam chamber 9
It connects, respectively foam chamber 9 provides heated bitumen, foaming water and compressed air；Asphalt nozzle valve 8 be mounted on foam chamber 9 and with
Cylinder 10 connects, and cylinder driving pipeline 11 is connect with parallel way with each cylinder 10, provides pressure air for cylinder 10；Add
Wet water lines 7 are erected at foaming 6 side of water lines, which is provided with multiple spouts, and spout is mixture towards inside mixing chamber 2
Humidification water is provided；
4 both ends of bitumen pipeline in foamed asphalt spray bars 1 are connect by asphalt delivery pipe 13 with asphalt feeding system, and
Constitute circuit；The input terminal of bitumen pipeline 4 is connect by asphalt delivery pipe 13 with the output end of bitumenpump 20, and bitumenpump 20
Input terminal is connect with the output end of asphalt tank 18, and the input terminal of asphalt tank 18 is first connected with pitch circuit valve 19, then passes through
Asphalt delivery pipe 13 is connect with the output end of bitumen pipeline 4；The junction at 13 both ends of asphalt delivery pipe is connect by bitumen pipeline
Mouth flange 12 is fixed；
Water tank 26 is detachable, and is connect respectively with foaming water pump 21 and humidification water pump 25 by waterpipe jointing flange 24, is
The two water pumps supply water；Water tank 26 there are two water delivery pipe 16, one end respectively with the foaming water pipe in foamed asphalt spray bars 1
Road 6 is connected with humidification water lines 7, and junction is fixed by water pipe quick-release connector 17, and the other end is respectively connected to foaming water supply system
System and humidification water system；The input terminal for humidifying water lines 7 passes through the humidification water pump 25 in the connection humidification water system of water delivery pipe 16；
The input terminal of foaming water lines 6 is sequentially connected with one end of the accumulator 23 for the water supply system that foams, foaming by water delivery pipe 16
Output end, foaming 21 output end of water pump of water filter 22；Foaming water pump 21 and input terminal and the company of water tank 26 for humidifying water pump 25
It connects, junction is fixed by waterpipe jointing flange 24, convenient for the disassembly of water tank 26；
Compressed air line 5 and the input terminal on cylinder driving tube road 11 are each by an air delivery pipe 15 and air
Feed system is connected, and junction is fixedly connected by air pipe line quick-release connector 14；Air delivery pipe in air supply system
15 connect with one end of pressure transmitter 29, and the other end of pressure transmitter 29 is connected with 28 output end of oil water separator, oil
The input terminal of separator 28 is connect with air compressor machine 27.
Further, the length of foamed asphalt spray bars 1 can be extended or be contracted according to the erection in mixing chamber 2
It is short.
Further, foam chamber 9 and thereon asphalt nozzle valve 8, cylinder 10 number can according to access equip needed for bubble
The dosage of foam pitch is increased and decreased.
Further, mixing chamber 2, asphalt tank 18, water tank 26 can retain or remove according to the different selections of access equipment.
The present invention also provides a kind of automatic control system of the asphalt foaming machine of modularized design, the automatic control
System includes central control unit, computer or touch screen, pitch heating unit and feedback element；Central control unit includes
PLC and PLC component；Feedback element includes asphalt flow meter, water ga(u)ge, temperature sensor, pressure sensor, weighing sensor
And digital displaying meter, it is characterised in that:
The output end of central control unit be separately connected asphalt feeding system, foaming water supply system, humidification water system and
Heating element on air supply system on all kinds of valves and pitch heating unit, and installed in input terminal and above-mentioned each system
Feedback element is connected；Central control unit is attached by Communication Card and computer or touch screen；Pitch heating unit with
Asphalt tank 18 and bitumenpump 20 and the bitumen pipeline of foamed asphalt spray bars 14 in asphalt feeding system connect；Pitch stream
Meter is mounted on bitumen pipeline 4, it is the feedback element for feeding back real-time flow rate of asphalt and accumulative flow rate of asphalt, it will feedback
Numerical value is transmitted to central control unit；Water ga(u)ge is mounted in foaming water lines 6 and humidification water lines 7, and it is tired to complete foaming water
Count the feedback of the integrated flow of the feedback and humidification water of flow and instantaneous flow；18 bottom of asphalt tank is installed by electric boiling plate, pitch
18 side wall of tank installs Electrothermal ring, installs electric with worm line on bitumen pipeline 4；Temperature sensor is mounted on asphalt tank 18, pitch pipe
On road 4 and foam chamber 9, the variation of real-time detection asphalt temperature；The bitumen pipeline of asphalt feeding system and foamed asphalt spray bars 1
4 constitute circuit, and pitch is adjusted by the switching value of pitch circuit valve 19 and asphalt nozzle valve 8 and sprays into foam chamber 9
Amount；Pitch heating unit is responsible for the heating of the asphalt delivery pipe 13, asphalt tank 18 and bitumenpump 20 of asphalt feeding system, and drip
The heating of green pipeline 4, heating means heat two ways using static heating and dynamic circulation；
Pitch heating unit is control foundation with set temperature, when the heating of asphalt tank 18 reaches set temperature, bitumenpump
20, the electrical heating start-up operation of asphalt delivery pipe 13, bitumen pipeline 4, is to bitumenpump 20, asphalt delivery pipe 13, pitch at this time
Tank 18 and bitumen pipeline 4 carry out static heating；When the heating temperature of asphalt delivery pipe 13, bitumen pipeline 4 is increased to another setting
When temperature, asphalt tank 18, asphalt delivery pipe 13,4 inside pitch of bitumen pipeline implement dynamic circulation heating, and use PID control,
Closed-loop control by software realization to foamed asphalt temperature guarantees the constant requirement of asphalt temperature；
The pitch amount for spraying into foam chamber 9 can be by the switching value of control pitch circuit valve 19 and asphalt nozzle valve 8
It adjusts, when pitch circuit valve 19 fully opens, and asphalt nozzle valve 8 is in close state, in the drive of bitumenpump 20
Under dynamic, the heated bitumen in asphalt tank 18 flows back without foam chamber 9, to carry out dynamic circulation heating；When pitch return valve
Door 19 completely closes, and when asphalt nozzle valve 8 is by control requirements unlatching, heated bitumen penetrating foam chamber 9 foams；Work as pitch
When circuit valve 19 and asphalt nozzle valve 8 open a certain amount of simultaneously, heated bitumen part sprays into foam chamber 9 and foams, part
Reflux；
The heating method of asphalt tank 18 is divided into three kinds according to weighing sensor institute measured weight difference: asphalt tank bottom-heated,
Pitch pot bottom and middle part are heated simultaneously and pitch pot bottom, middle part, top while heating；Specifically: setting asphalt tank 18
18 weight value of asphalt tank is divided into m≤m1, m1<m≤m2, m by two interval endpoints m1, m2 of weight m>tri- sections m2,
When surveyed 18 weight of asphalt tank of weighing sensor is m≤m1, asphalt tank bottom-heated；When the surveyed asphalt tank 18 of weighing sensor
When weight is m1 < m≤m2, asphalt tank bottom and middle part are heated simultaneously；When surveyed 18 weight of asphalt tank of weighing sensor is m > m2
When, asphalt tank bottom, middle part, top are heated simultaneously.
Further, the computer or touch screen inside pipe laying are illustrated design cell, and input is built wherein
The production capacity that the model of road construction equipment is equipped to get road construction out or the mixture weight mixed and stirred, drip further according to foam
Blueness accounts for the percentage of mixture, the automatic dosage for calculating foamed asphalt, and prepares pitch needed for foamed asphalt, foaming water and pressure
The dosage of contracting air, and then the diameter of designed, designed pitch, the water and air pipeline that foams, and return result to user.
Further, configuration software is installed inside the computer or touch screen, configuration software connection center control is single
Member and feedback element, for operating and monitoring asphalt foaming machine.
The asphalt foaming machine of modularized design of the present invention is dismounted easily, and is readily transported, and automation control is easy to,
Asphalt foaming quality is high；It provides convenient for being connect with the pipe joint, control system interface, communication of existing road construction equipment connection
Mouth and spray bars set up supporting plate, can be with all kinds of bituminous mixing plants, cold regenerative machine, stable native mix by simply dismounting
Other large-scale road construction equipment assemblings such as machine use, and are also convenient for individually using in laboratory, high recycling rate overcomes mesh
The problems such as preceding asphalt foaming machine disassembly, modification difficulty are big, and recycling rate of waterused is low, reduces equipment manufacturing costs, improves pitch hair
Steep the working efficiency and utilization rate of equipment.The asphalt foaming machine of modularized design of the present invention will foam water supply system
An integral unit is merged into humidification water supply system, the water supply system for relying on asphalt foaming is more compact, saves
Installation space, it is also easy to disassemble.
Automatic control system of the present invention realizes flow rate of asphalt and water consumption by the coordination and cooperation of each functional unit
Accurately control, to guarantee the foaming quality of pitch, realize and mixed and stirred in foaming；Pass through asphalt tank heating, bitumen pipeline system
System heat tracing and dynamic circulation heating can prevent pitch from generating hot-spot during heating and aging.The automatic control system
Pipeline be illustrated design cell combined with user interface, realize visualization and the human-computer interaction function of data, user is on boundary
After inputting parameter in face, software can automatically be handled the data of input, and operation result is returned to user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the asphalt foaming machine of modularized design of the present invention；
Fig. 2 is the structural schematic diagram of foamed asphalt spray bars 1 of the present invention；
Fig. 3 is the asphalt feeding system schematic diagram of asphalt foaming machine of the present invention；
Fig. 4 is that the foaming water supply system of asphalt foaming machine of the present invention and humidification water supply system front view structure are shown
It is intended to；
Water supply system is right shows depending on structure for the foaming water supply system and humidification that Fig. 5 is asphalt foaming machine of the present invention
It is intended to；
Fig. 6 is the air supply system structural schematic diagram of asphalt foaming machine of the present invention；
Fig. 7 is asphalt foaming machine automatic control system schematic diagram of the present invention；
Fig. 8 is the user interface schematic diagram of asphalt foaming machine automatic control system of the present invention；
Fig. 9 is that foamed asphalt spray bars 1 of the present invention are erected at the structural schematic diagram on continuous mixing station；
Figure 10 is that asphalt foaming machine of the present invention applies the structural schematic diagram on vehicle-mounted cold regenerative machine；
Figure 11 is that foamed asphalt spray bars 1 of the present invention are erected at the structural schematic diagram on vehicle-mounted cold regenerative machine；
Figure 12 is that asphalt foaming machine of the present invention applies the structural schematic diagram on soil stabilizer；
Figure 13 is that the structure that foamed asphalt spray bars 1 of the present invention are erected on the rotor housing of soil stabilizer is shown
It is intended to.
Specific embodiment
It include: foamed asphalt spray bars 1, mixing chamber 2, spray bars erection supporting plate 3, bitumen pipeline 4, compression sky in each attached drawing
Air pipe 5, foaming water lines 6, humidification water lines 7, asphalt nozzle valve 8, foam chamber 9, cylinder 10, cylinder driving pipeline 11,
Bitumen pipeline interface flange 12, asphalt delivery pipe 13, air pipe line quick-release connector 14, air delivery pipe 15, water delivery pipe 16,
Water pipe quick-release connector 17, asphalt tank 18, pitch circuit valve 19, bitumenpump 20, foaming water pump 21, foaming water filter 22, storage
Energy device 23, humidification water pump 25, water tank 26, air compressor machine 27, oil water separator 28, pressure transmitter 29, connects waterpipe jointing flange 24
Continuous formula mixing plant agitator 30, vehicle-mounted cold regenerative machine 31, asphalt truck 32, water-tank lorry 33, rotor housing 34.
Such as Fig. 7, the automatic control system of herein described asphalt foaming machine includes central control unit, computer or touching
Touch screen, pipeline is illustrated design cell, pitch heating unit and feedback element.Feedback element includes asphalt flow meter, water flow
Meter, temperature sensor, pressure sensor, weighing sensor and digital displaying meter are installed on the pipeline and detected zero of each system
On component；By the temperature and weight of flow information, asphalt tank 18 in the temperature of bitumen pipeline 4 and flow information, foaming water lines 6
The numerical information of information and each digital displaying meter was transferred to central control unit.
The central control unit is connected with road construction equipment Control System joined together, computer or touch screen
It is installed in the operating room of road construction equipment, pipeline is pre-installed in the operating system of computer or touch screen and is illustrated design list
Member and configuration software, computer or touch screen are connect by Communication Card with central control unit.
It is that the Bond Graph Model based on pipe-line system is designed that pipeline, which is illustrated design cell, to each pipe-line system and its
On each components founding mathematical models such as pump, valve, flowmeter, and combined with the operation interface in computer or touch screen；
The model production capacity equipped to get road construction out of input road construction equipment or the mixture mixed and stirred in the operation interface
Weight accounts for the percentage of mixture further according to foamed asphalt, the automatic dosage for calculating foamed asphalt, then according to asphalt foaming principle
Further determine that the dosage of pitch, the water and air that foams, designed, designed goes out the diameter of pitch, the water and air pipeline that foams, and will
As a result user (as shown in Figure 8) is returned.
After obtaining the pipe diameter of each system, with the length of the structure determination pipeline of road construction equipment, each system is designed
The pipeline of system.Foamed asphalt spray bars 1 are set up supporting plate 3 by spray bars to be fixed in mixing chamber 2；There is mixing in mixing chamber 2
Material stirring.And foamed asphalt spray bars 1 are equipped with bitumen pipeline 4, compressed air line 5, foaming water lines 6, humidification water lines
7, cylinder driving pipeline 11 and several asphalt nozzle valves 8, foam chamber 9 and cylinder 10.In foam chamber 9 converge heated bitumen,
Foaming water and compressed air are to prepare foamed asphalt (as shown in Figure 1, Figure 2).
After the completion of equipment is set up, to asphalt tank 18 and bitumenpump 20, asphalt delivery pipe 13 and foamed asphalt spray bars 1
Bitumen pipeline 4 is heated；The output end of central control unit is connect with the heating element on pitch heating unit, the heating
Element is mounted on asphalt tank 18, bitumenpump 20, asphalt delivery pipe 13 and bitumen pipeline 4, using static heating and dynamic when heating
State circulating-heating two ways；Pitch heating unit is control foundation with set temperature, when the heating of asphalt tank 18 reaches setting temperature
When spending, bitumenpump 20, asphalt delivery pipe 13,4 electrical heating of bitumen pipeline start to work, be at this time to asphalt tank 18, bitumenpump 20,
Asphalt delivery pipe 13 and bitumen pipeline 4 carry out static heating；
When the heating temperature of asphalt delivery pipe 13, bitumen pipeline 4 is increased to another set temperature, asphalt tank 18, pitch
Delivery pipe 13,4 inside pitch of bitumen pipeline implement dynamic circulation heating, and are controlled using PID, by software realization to foam
The closed-loop control of asphalt temperature guarantees the constant requirement of asphalt temperature；18 bottom of asphalt tank is installed by electric boiling plate, 18 side wall of asphalt tank
Electrothermal ring is installed, electric with worm line is installed on bitumen pipeline 4, asphalt tank 18 is according to weighing sensor institute measured weight, heating method
Be divided into three kinds: asphalt tank bottom-heated, pitch pot bottom and middle part heat simultaneously and pitch pot bottom, middle part, top simultaneously
Heating.Specifically: setting 18 weight m of asphalt tank two interval endpoints m1, m2, by 18 weight value of asphalt tank be divided into m≤m1,
M1<m≤m2, m>tri- sections m2, when surveyed 18 weight of asphalt tank of weighing sensor is m≤m1, asphalt tank bottom-heated；When
When surveyed 18 weight of asphalt tank of weighing sensor is m1 < m≤m2, asphalt tank bottom and middle part are heated simultaneously；When weighing sensor institute
When survey 18 weight of asphalt tank is m > m2, asphalt tank bottom, middle part, top are heated simultaneously.
After the completion of pitch heating, the mixture in mixing chamber 2 first starts to stir, meanwhile, by humidifying water pump 25 for water tank
Water in 26 is transported in humidification water lines 7 by water delivery pipe 16, by humidifying several holes that water lines 7 are equipped with to stirring
Mix 2 internal spray humidification water of storehouse.After stirring a period of time, from the foam chamber 9 in foamed asphalt spray bars 1 into mixing chamber 2
Foamed asphalt is sprayed on mixture, " is mixed and stirred in foaming " with realization.The preparation process of foamed asphalt is as follows:
The output end of central control unit be separately connected asphalt feeding system, foaming water supply system, humidification water system and
All kinds of valves on air supply system and foamed asphalt spray bars.Heated bitumen in asphalt tank 18 passes through the drive of bitumenpump 20
It is dynamic, it is transported in bitumen pipeline 4 from asphalt delivery pipe 13, the unlatching through asphalt nozzle valve 8 is injected in foam chamber 9, remaining
Heated bitumen returned in asphalt tank 18 by the asphalt delivery pipe 13 being connect with 4 output end of bitumen pipeline, with asphalt tank 18 input
The pitch circuit valve 19 and asphalt nozzle valve 8 for holding connection cooperate, and reach and accurately control flow rate of asphalt in penetrating foam chamber 9
Purpose (such as Fig. 3).When pitch circuit valve 19 fully opens, and asphalt nozzle valve 8 is in close state, in bitumenpump 20
Driving under, the heated bitumen in asphalt tank 18 flows back without foam chamber 9, to carry out dynamic circulation heating；When pitch returns
Road valve 19 completely closes, and when asphalt nozzle valve 8 is a certain amount of by control requirements unlatching, the heated bitumen in asphalt tank 18 is direct
Foam chamber 9 is sprayed into foam；When pitch circuit valve 19 and asphalt nozzle valve 8 open a certain amount of simultaneously, asphalt tank 18
In heated bitumen a part spray into foam chamber 9 foam, another part directly flows back.Foaming water pump 21 leads to the water of water tank 26
Cross water delivery pipe 16 and be transported to foaming water lines 6, the water and heated bitumen in the water lines 6 that foam be injected in foam chamber 9 simultaneously into
Row foaming (such as Fig. 4, Fig. 5).Air compressor machine 27 delivers air to oil water separator 28, and oil water separator 28 carried out air
Filter purification, then air is passed through by different pressure by air delivery pipe 15 by pressure transmitter 29 respectively and is transported to compressed air
In pipeline 5 and cylinder driving tube road 11, air and heated bitumen in compressed air line 5, which are injected to simultaneously in foam chamber 9, to be carried out
Foaming, and the air in cylinder driving pipeline 11 is that cylinder 10 provides pressure air, and then controls asphalt nozzle by cylinder 10
The switching value (such as Fig. 6) of valve 8.
Embodiment 1: the asphalt foaming machine and its automatic control system of modularized design of the present invention apply
On formula of having a rest mixing plant.
Such as Fig. 1, the foamed asphalt spray bars 1 for being designed as standalone module are mounted as a whole on to the mixing chamber at batch type station
In 2, both ends set up supporting plate 3 by spray bars and fix.By asphalt feeding system, foaming water supply system, humidification water system, air
Feed system is placed on outside mixing chamber 2.The automatic control system of the asphalt foaming machine of this modularized design is linked into intermittent
In the control system of mixing plant, the model at batch type station is inputted in the user interface of computer or touch screen, is used
Pitch model, foamed asphalt percentage, designed, designed go out the pipe diameter of each system, are then attached to each pipeline.It is dripping
The input terminal of green pipeline 4 is connect by asphalt delivery pipe 13 with the output end of bitumenpump 20, and 20 input terminal of bitumenpump and pitch
The output end of tank 18 connects, and the input terminal of asphalt tank 18 is first connected with pitch circuit valve 19, then passes through asphalt delivery pipe 13
It is connect with the output end of bitumen pipeline 4.It is solid that the junction at 13 both ends of asphalt delivery pipe passes through bitumen pipeline interface flange 12
It is fixed, so that the bitumen pipeline 4 of foamed asphalt spray bars 1 and asphalt feeding system constitute circuit.It is gentle in compressed air line 5
The input terminal of cylinder driving pipeline 11 passes through air delivery pipe 15 respectively and connect with pressure transmitter 29, pressure transmitter 29 it is another
One end connects 28 output end of oil water separator, and the input terminal of oil water separator 28 connects air compressor machine 27,15 both ends of air delivery pipe
To pass through air pipe line quick-release connector 14 fixed for junction.It is connected in the input terminal of humidification water lines 7 by water delivery pipe 16
Humidify water pump 25, foaming water lines 6 input terminal by water delivery pipe 16 connect accumulator 23 one end, accumulator 23 it is another
The output end of end connection foaming water filter 22, the input terminal for the water filter 22 that foams connect with foaming 21 output end of water pump, send out
Soaked pump 21 and the input terminal for humidifying water pump 25 are connect with water tank 26, and junction is fixed by waterpipe jointing flange 24, is convenient for
The disassembly of water tank 26.The water pot that foaming water pump 21 and humidification water pump 25 can also be carried with batch type station is connect.
The feedback element of automatic control system is installed on the pipeline and detected components of each system；By bitumen pipeline 4
Temperature and flow information, foaming water lines 6 in flow information, the temperature of asphalt tank 18 and weight information and each digital display instrument
The numerical information of table was transferred to central control unit, the working condition of real-time monitoring equipment.
After the asphalt foaming machine of modularized design of the present invention is mounted on batch type station, first to pitch
It is heated, heated bitumen is allowed to circulate between bitumen pipeline 4 and asphalt tank 18.After the completion of pitch heating, start to stir
The mixture in storehouse 2 is mixed, meanwhile, the water in water tank 26 is transported to humidification water lines 7 by water delivery pipe 16 by humidification water pump 25
It is interior, by several holes which is provided with to 2 internal spray humidification water of mixing chamber.After stirring a period of time, from foamed asphalt
Foam chamber 9 in spray bars 1 sprays foamed asphalt on mixture into mixing chamber 2, final to realize " mixing and stirring in foaming ".It is steeping
The process that foamed asphalt is prepared on foam asphalt distribution bar 1 is as follows:
Heated bitumen in asphalt tank 18 passes through the driving of bitumenpump 20, is transported in bitumen pipeline 4 from asphalt delivery pipe 13,
Unlatching through asphalt nozzle valve 8 is injected in foam chamber 9, and remaining heated bitumen is by connecting with 4 output end of bitumen pipeline
Asphalt delivery pipe 13 returns in asphalt tank 18.The pitch circuit valve 19 connecting with 18 input terminal of asphalt tank cooperates asphalt nozzle
Valve 8 accurately controls the flow rate of asphalt of ejection.Air compressor machine 27 delivers air to oil water separator 28,28 pairs of skies of oil water separator
Gas is filtered purification, then by pressure transmitter 29 air is passed through air delivery pipe 15 with different pressure respectively and be transported to
In compressed air line 5 and cylinder driving tube road 11；Air and heated bitumen in compressed air line 5 are injected to foam chamber simultaneously
It foams in 9；Air in cylinder driving pipeline 11 is that cylinder 10 provides pressure air, and then passes through the control drip of cylinder 10
The switching value of green nozzle valve 8.The water pump 21 that foams is defeated by water by the water in the included water pot of water tank 26 or batch type station
Pipe 16 is sent to be transported to foaming water lines 6, the water in the water lines 6 that foam is injected in foam chamber 9 simultaneously with heated bitumen to foam.
Embodiment 2: the asphalt foaming machine and its automatic control system of modularized design of the present invention are applied even
On continuous formula mixing plant.
Such as Fig. 9, the both ends of foamed asphalt spray bars 1 set up supporting plate 3 by spray bars and are fixed on continuous mixing station stirring
30 entrances of bucket；Asphalt feeding system, foaming water supply system, humidification water system and air supply system are respectively mounted on continuously
Outside formula mixing plant agitator 30.The control method of the installation connection type of remaining components and automatic control system with
That mentions in embodiment 1 is identical.
Embodiment 3: the asphalt foaming machine and its automatic control system of modularized design of the present invention are applied in vehicle
On refrigerating regenerating device 31.
Such as Figure 10, Figure 11, by the both ends of foamed asphalt spray bars 1 by spray bars set up supporting plate 3 be fixed on it is vehicle-mounted it is cold again
Above milling rotor in life 31；Asphalt feeding system, foaming water supply system, humidification water system and air supply system peace
On vehicle-mounted cold renewal fuselage 31.Automatic control system of the present invention and asphalt truck 32, water-tank lorry 33 and vehicle-mounted
The operating system of cold regenerative machine 31 is connected.The type of vehicle-mounted cold regenerative machine 31 is inputted in the user interface of computer or touch screen
Number, the percentage of mixture is accounted for further according to foamed asphalt, calculates the dosage of required pitch, the water and air that foams automatically, voluntarily
Each pipeline, is then attached by the diameter for designing pitch, the water and air pipeline that foams.
Asphalt tank 18 in asphalt foaming machine of the present invention is disassembled, bitumenpump 20 and pitch circuit valve 19 divide
It is not connect with the output end of asphalt truck 32 and input terminal, by the bitumen pipeline 4 of foamed asphalt spray bars 1 and asphalt truck 32
Constitute circuit.Water tank 26 in asphalt foaming machine of the present invention is disassembled, foam water pump 21 and humidification water pump 25 and water
Tank car 33 connects.The heated bitumen heated in asphalt truck 32 is transported in the bitumen pipeline 4 of foamed asphalt spray bars 1, water-tank lorry
Water in 33 is transported in the foaming water lines 6 of foamed asphalt spray bars 1, and air supply system is provided to compressed air line 5
Compressed air, in foam chamber 9 simultaneously spray into the heated bitumen of set amount, water and air foams, and by foaming formed bubble
Foam pitch sprays to the milling rotor of vehicle-mounted cold regenerative machine 31, is stirred with mixture.Water in water-tank lorry 33 passes through humidification water
Pump 25 is transported in humidification water lines 7, the milling rotor that the spout in water lines 7 is directed toward vehicle-mounted cold regenerative machine 1 is humidified, to mixing
Material sprinkling humidification water.
It is mentioned in the installation connection type of remaining components and the control method of automatic control system and embodiment 1
It is identical.
Embodiment 4: the asphalt foaming machine and its automatic control system of modularized design of the present invention are applied steady
Determine on soil mixing plant.
Such as Figure 12, Figure 13, automatic control system of the present invention is connected with the operating system on soil stabilizer.?
It inputs the model on soil stabilizer in the user interface of computer or touch screen, i.e., the production capacity of equipment or mixes and stirs mixed
Material weight is closed, pipeline is illustrated pump, valve, the stream of the Bond Graph Model of design cell duct system to each pipe-line system and thereon
Each components founding mathematical models such as meter, the dynamic characteristic of the different fluid in different pipe-line systems is obtained by solution；And
The percentage that mixture is accounted for according to foamed asphalt is further calculated to obtain the dosage of required pitch, the water and air that foams, voluntarily be set
Count out the diameter of pitch, the water and air pipeline that foams.According to the dimension information that designed, designed comes out, the foam of appropriate length is selected
The both ends of foamed asphalt spray bars 1 are set up supporting plate 3 by spray bars and are mounted on turning for soil stabilizer by asphalt distribution bar 1
On sub- housing 34.Asphalt feeding system, foaming water supply system, humidification water system and air supply system are mounted on stable soil and mix
On fuselage.It is mentioned in the installation connection type of remaining components and the control method of automatic control system and embodiment 1
It is identical.
Claims (4)
1. a kind of automatic control system of the asphalt foaming machine of modularized design, the automatic control system includes center control
Unit, computer or touch screen, pitch heating unit and feedback element；Central control unit includes PLC and PLC component；Feedback
Element includes asphalt flow meter, water ga(u)ge, temperature sensor, pressure sensor, weighing sensor and digital displaying meter, spy
Sign is:
The output end of central control unit is separately connected asphalt feeding system, foaming water supply system, humidification water system and air
Heating element on feed system on all kinds of valves and pitch heating unit, and the feedback installed in input terminal and above-mentioned each system
Element is connected；Central control unit is attached by Communication Card and computer or touch screen；Pitch heating unit and pitch
Asphalt tank (18) and bitumenpump (20) in feed system and the connection of the bitumen pipeline (4) of foamed asphalt spray bars (1)；Drip
Green flowmeter is mounted on bitumen pipeline (4), it is the feedback element for feeding back real-time flow rate of asphalt and accumulative flow rate of asphalt, it will
Fed back values are transmitted to central control unit；Water ga(u)ge is mounted in foaming water lines (6) and humidification water lines (7), is completed
The feedback of the integrated flow of the feedback and humidification water of foaming water integrated flow and instantaneous flow；Asphalt tank (18) bottom installation electricity adds
Hot plate, asphalt tank (18) side wall install Electrothermal ring, and bitumen pipeline installs electric with worm line on (4)；Temperature sensor is mounted on drip
On green tank (18), bitumen pipeline (4) and foam chamber (9), the variation of real-time detection asphalt temperature；Asphalt feeding system and foam drip
The bitumen pipeline (4) of green spray bars (1) constitutes circuit, passes through the switch of pitch circuit valve (19) and asphalt nozzle valve (8)
It measures to adjust the amount that pitch sprays into foam chamber (9)；Pitch heating unit is responsible for the asphalt delivery pipe (13) of asphalt feeding system, drip
The heating of green tank (18) and bitumenpump (20) and the heating of bitumen pipeline (4).
2. a kind of automatic control system of the asphalt foaming machine of modularized design as described in claim 1, it is characterised in that:
The computer or touch screen is the computer or touch screen for being equipped with pipeline and being illustrated design cell.
3. a kind of automatic control system of the asphalt foaming machine of modularized design as claimed in claim 1 or 2, feature exist
In: the computer or touch screen is the computer or touch screen for being equipped with configuration software, configuration software connection center
Control unit and feedback element, for operating and monitoring asphalt foaming machine.
4. a kind of automatic control system of the asphalt foaming machine of modularized design as claimed in claim 1 or 2, feature exist
In: the asphalt feeding system, air supply system, foaming water supply system, humidification water system and foamed asphalt spray bars (1)
Respectively standalone module；
Foamed asphalt spray bars (1) are by bitumen pipeline (4), compressed air line (5), foaming water lines (6), humidification water lines
(7), several asphalt nozzle valves (8), foam chamber (9) and cylinder (10) and cylinder driving pipeline (11) composition, and pass through spray
It spills bridge and sets supporting plate (3) and be fixed in mixing chamber (2)；Bitumen pipeline (4), compressed air line (5) and foaming water lines (6) with
Parallel way is connect with each foam chamber (9), and respectively foam chamber (9) provides heated bitumen, foaming water and compressed air；Pitch spray
Mouth valve (8) is mounted on foam chamber (9) and connect with cylinder (10), and cylinder drives pipeline (11) with parallel way and each gas
Cylinder (10) connection provides pressure air for cylinder (10)；Humidification water lines (7) is erected at foaming water lines (6) side, sets thereon
There are multiple spouts, spout is internal towards mixing chamber (2), provides humidification water for mixture；
Bitumen pipeline (4) both ends in foamed asphalt spray bars (1) are connect by asphalt delivery pipe (13) with asphalt feeding system,
And constitute circuit；The input terminal of bitumen pipeline (4) is connect by asphalt delivery pipe (13) with the output end of bitumenpump (20), and is dripped
Blueness pump (20) input terminal is connect with the output end of asphalt tank (18), input terminal elder generation and the pitch circuit valve (19) of asphalt tank (18)
It is connected, then is connect by asphalt delivery pipe (13) with the output end of bitumen pipeline (4)；The connection at asphalt delivery pipe (13) both ends
Place is fixed by bitumen pipeline interface flange (12)；
Water tank (26) detachably, and is connected with foaming water pump (21) and humidification water pump (25) respectively by waterpipe jointing flange (24)
It connects, supplies water for the two water pumps；Water tank (26) there are two water delivery pipe (16), one end respectively with foamed asphalt spray bars (1)
On foaming water lines (6) with humidification water lines (7) be connected, junction by water pipe quick-release connector (17) fixation, the other end divide
Jie Ru not foam water supply system and humidification water system；The input terminal for humidifying water lines (7) is added by water delivery pipe (16) connection
Humidification water pump (25) in wet stream system；The input terminal of foaming water lines (6) is sequentially connected with foaming water by water delivery pipe (16)
One end of the accumulator (23) of feed system, the output end of foaming water filter (22), foaming water pump (21) output end；Foam water
Pump (21) and the input terminal for humidifying water pump (25) are connect with water tank (26), and junction is fixed by waterpipe jointing flange (24),
Convenient for the disassembly of water tank (26)；
Compressed air line (5) and the input terminal on cylinder driving tube road (11) are each by an air delivery pipe (15) and air
Feed system is connected, and junction is fixedly connected by air pipe line quick-release connector (14)；Air delivery in air supply system
Pipe (15) is connect with one end of pressure transmitter (29), and the other end of pressure transmitter (29) and oil water separator (28) export
End is connected, and the input terminal of oil water separator (28) is connect with air compressor machine (27).
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| CN201820852609.5U CN208533322U (en) | 2018-06-04 | 2018-06-04 | A kind of automatic control system of the asphalt foaming machine of modularized design |
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| CN201820852609.5U CN208533322U (en) | 2018-06-04 | 2018-06-04 | A kind of automatic control system of the asphalt foaming machine of modularized design |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716493A (en) * | 2020-05-26 | 2020-09-29 | 北新建材（嘉兴）有限公司 | Foaming gypsum board apparatus for producing |
| CN113900464A (en) * | 2021-09-30 | 2022-01-07 | 河南省光大路桥工程有限公司 | Foam warm mix asphalt adds water control measurement system |
-
2018
- 2018-06-04 CN CN201820852609.5U patent/CN208533322U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716493A (en) * | 2020-05-26 | 2020-09-29 | 北新建材（嘉兴）有限公司 | Foaming gypsum board apparatus for producing |
| CN113900464A (en) * | 2021-09-30 | 2022-01-07 | 河南省光大路桥工程有限公司 | Foam warm mix asphalt adds water control measurement system |
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