CN203079914U - Automatic control system of emulsified asphalt production equipment - Google Patents
Automatic control system of emulsified asphalt production equipment Download PDFInfo
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- CN203079914U CN203079914U CN 201320107173 CN201320107173U CN203079914U CN 203079914 U CN203079914 U CN 203079914U CN 201320107173 CN201320107173 CN 201320107173 CN 201320107173 U CN201320107173 U CN 201320107173U CN 203079914 U CN203079914 U CN 203079914U
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Abstract
The utility model discloses an automatic control system of emulsified asphalt production equipment. The automatic control system comprises a PLC (Programmable Logic Controller), flow meters, an electric control valve, temperature sensors, pressure sensors, liquid level sensors, a solenoid valve and a human-computer interface, wherein the PLC is respectively connected with an emulsified liquid flow meter, a produced asphalt flow meter, the temperature sensors, the pressure sensors, the pressure type liquid level sensors, a frequency converter, the electric control valve, the solenoid valve and the human-computer interface; the frequency converter is connected with an asphalt production pump; the electric control valve and the emulsified liquid flow meter are arranged on a pipeline at the rear part of an emulsified liquid feed pump 4; the produced asphalt flow meter is arranged on a pipeline at the front part of the asphalt production pump; the pressure type liquid level sensors are respectively arranged on an emulsification tank I, an emulsification tank II, an asphalt production tank and a matrix asphalt tank; the temperature sensors are respectively arranged on a head of an emulsification mill and the asphalt production tank; and the pressure sensors are connected with the emulsification mill. The automatic control system is high in automatic degree and labor efficiency, and is capable of saving labor power and enhancing the safe reliability of equipment.
Description
Technical field
The utility model relates to the asphalt production equipment technical field, relates in particular to a kind of bitumen emulsion equipment automation control system.
Background technology
Emulsified bitumen is the emerging Road construction material of a kind of high-quality, and it is by stirring, grinding to form oil-in-water emulsion and promptly become emulsified bitumen with a certain proportion of heated bitumen, emulsion.Emulsified bitumen is successively to heated bitumen environmental protection more, energy-conservation, economic security.Can spray at normal temperatures, pour into or mix paves, be widely used in that road surface processing, slurry seal, pit repairing, reclamation of old material, lower grade road surface are newly-built, the saturating layer of motorway and tack coat etc.In the bitumen emulsion equipment of prior art, adopt manual operation, production efficiency is low, labor intensity of operating staff is big, can not satisfy the requirement of production operation.Therefore design improvement goes out quick, efficient, stable automated production equipment and just seems particularly important.Existing automatic pitch production control system kind is existing a lot, and the problem of existence is system's operation stability, safety and poor reliability, break down easily, and level of automation is low.For example, have in the existing patent document, " fully automatic mobile asphalt emulsification workshop (200520069004.1) " comprises an asphalt tank, two Soap liquid pots, three agitators, three header tank, colloidal mill, heat exchanger, emulsified bitumen tundish, Controlling System and connecting pipeline, pump, valve, under meter and acidometers compositions, and this system has realized automatic production.But on output and pipeline, control safety, also there are some shortcomings.
Summary of the invention
The utility model provides a kind of bitumen emulsion equipment automation control system in order to solve the prior art above shortcomings; The level of automation height of emulsified bitumen production process of the present utility model, is saved manpower at the efficiency height, has improved the safe reliability of equipment.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of bitumen emulsion equipment automation control system, comprise PLC, the emulsion under meter, produce asphalt flow meter, temperature sensor, pressure transmitter, the pressure type liquid level sensor, frequency transformer, man-machine interface, and the motor-driven control valve that is connected with pipeline, magnetic valve, described PLC respectively with the emulsion under meter, produce asphalt flow meter, temperature sensor, pressure transmitter, the pressure type liquid level sensor, frequency transformer, motor-driven control valve, magnetic valve, man-machine interface connects, wherein frequency transformer is connected with pitch production pump, motor-driven control valve, the emulsion under meter is located on the pipeline at emulsion issuance of materials pump rear portion, producing asphalt flow meter is located on the pitch production pump forward pipeline, the pressure type liquid level sensor is arranged at the emulsion tank I respectively, the emulsion tank II, pitch is produced jar, on the matrix pitch jar, temperature sensor is arranged at the bistrique of emulsifying mill respectively, pitch is produced on the jar, and pressure transmitter is connected with emulsifying mill.
Described magnetic valve comprises that emulsion tank outlet valve I, emulsion tank outlet valve II, the emulsion be located on the pipeline advance valve grinding, emulsion tank recycle valve I, emulsion tank recycle valve II, pitch production and advance valve grinding, pitch production cycle valve, matrix pitch valve.
The beneficial effects of the utility model:
1. this Controlling System combines the needs of automated control technology with the emulsified bitumen production process, and with the line data communication of going forward side by side that interrelates of PLC and frequency transformer, YE, industrial computer, system is stable, reliable;
2. improve the level of automation of emulsified bitumen production process, saved manpower, guaranteed the security of operator and equipment itself, increased the distributing precision of emulsified bitumen.
Description of drawings
Fig. 1 is a Controlling System structural representation of the present utility model;
Fig. 2 is a process flow sheet of the present utility model;
Wherein, 1. emulsion tank outlet valve I, 2. emulsified bitumen jar, 3. emulsion tank outlet valve II, 4. emulsion issuance of materials pump, 5. motor-driven control valve, 6. emulsion under meter, 7. interchanger, 8. emulsion advances valve grinding, 9. emulsifying mill, 10. pitch is produced pump, 11. matrix pitch jars, 12. the emulsion tank I, 13. emulsion tank recycle valve I, 14. emulsion tank II, 15. emulsion tank recycle valve II, valve grinding is advanced in 16. pitch productions, and 17. produce asphalt flow meter, 18. pitch is produced jar, 19. pitch production cycle valve, 20. matrix pitch valves, 21. matrix pitch pumps, 22. emulsified bitumen agitator, 23. emulsion tank I agitator, 24. emulsion tank II agitators, 25. pitches are produced jar agitator.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
As Fig. 1, shown in Figure 2, a kind of bitumen emulsion equipment automation control system, comprise PLC, emulsion under meter 6, produce asphalt flow meter 17, motor-driven control valve, temperature sensor, pressure transmitter, the pressure type liquid level sensor, frequency transformer, magnetic valve and man-machine interface, and the motor-driven control valve that is connected with pipeline, magnetic valve, PLC respectively with emulsion under meter 6, produce asphalt flow meter 17, temperature sensor, pressure transmitter, the pressure type liquid level sensor, frequency transformer connects, PLC respectively with motor-driven control valve, magnetic valve, man-machine interface connects to realize two-way feedback regulation, wherein frequency transformer is connected with pitch production pump 10, motor-driven control valve 5, emulsion under meter 6 is located on the pipeline at emulsion issuance of materials pump 4 rear portions, producing asphalt flow meter 17 is located on the pitch production pump 10 forward pipelines, the pressure type liquid level sensor is arranged at emulsion tank I 12 respectively, emulsion tank II 14, pitch is produced jar 18, on the matrix pitch jar 11, temperature sensor is arranged at the bistrique of emulsifying mill 9 respectively, pitch is produced on the jar 18, and pressure transmitter is connected with emulsifying mill 9.
Described magnetic valve comprises that emulsion tank outlet valve I 1, emulsion tank outlet valve II 3, the emulsion be located on the pipeline advance valve grinding 8, emulsion tank recycle valve I 13, emulsion tank recycle valve II 15, pitch production and advance valve grinding 16, pitch production cycle valve 19, matrix pitch valve 20.
Principle of work of the present utility model:
In conjunction with Fig. 1, Fig. 2, the pitch production equipment that utilizes Controlling System of the present utility model to produce, comprise emulsified bitumen jar 2, pitch production jar 18, emulsion tank I 12, emulsion tank II 14, emulsified bitumen agitator 22, emulsion tank I agitator 23, emulsion tank II agitator 24, pitch are produced jar agitator 25, emulsifying mill 9, interchanger 7, connecting pipeline and magnetic valve, emulsion issuance of materials pump 4, pitch production pump 10, matrix pitch pump 21, electromagnetic valve, temperature sensor, pressure transmitter, liquid level sensor and under meter and are formed.It is as follows to utilize Controlling System of the present utility model to implement:
1. technology controlling and process: be provided with in the parameter of man-machine interface " production ", " production time ", " pitch ratio ", " producing the maximum production capacity of pump " are set on the interface, these information are given PLC by man-machine interface by the RS-232 communication, are calculated the flow velocity of pitch flow velocity and soap lye automatically by the treater of PLC.Press the emulsified bitumen of man-machine interface and produce button, matrix pitch valve 20 is opened, matrix pitch pump 21 starts, pitch production cycle valve 19 is opened, the agitator motor that pitch is produced jar 18 starts, and pitch is produced pump 10 and started, and pitch is produced pump 10 by Frequency Converter Control, PLC gives frequency transformer the pitch production frequency communication that calculates by RS-485, and at this moment pitch is produced flow velocity with nominal and entered recurrent state.Simultaneously, No. 1 emulsion tank 12 agitator motors start, and No. 1 emulsion tank outlet valve 1 is opened, and emulsion issuance of materials pump 4 starts, and emulsion tank recycle valve I 13 is opened.The flow velocity of emulsion is by motor-driven control valve 5 controls, it is to be compared with the emulsion nominal flow rate that calculates automatically by the real-time information of PLC analog module collection emulsion under meter 6, by PLC motor-driven control valve 5 is regulated the control of realization to the emulsion flow in real time then.When the actual flow of emulsion was consistent with the emulsion flow that calculates, emulsifying mill 9 started, and emulsion advances valve grinding 8 to be opened, and emulsion tank recycle valve I 13 is closed.Simultaneously, pitch production is advanced valve grinding 16 and is opened, and pitch production cycle valve 19 cuts out.Emulsified bitumen enters production status, and the production time begins countdown.Produce when finishing, emulsifying mill 9 at first stops, emulsion advances valve grinding 8, pitch production is advanced valve grinding 16 and closed, emulsion tank recycle valve I 13, pitch production cycle valve 19 are opened, emulsion issuance of materials pump 4, pitch are produced pump, the matrix pitch pump stops, emulsion tank outlet valve I 1, matrix pitch valve 10 are closed, and pitch production jar 18 agitator motors and emulsion tank I 12 agitator motors stop, and whole emulsified bitumen production is finished.Native system can satisfy a large amount of continuous production of emulsified bitumen.
2. safety control
The liquid level protection.Concrete steps are, on emulsion tank I 12, emulsion tank II 14, pitch production jar 18 and matrix pitch jar 11 the pressure type liquid level sensor are housed, the analog signals of transmitter collection by the A of PLC the D resume module be shown on the man-machine interface.Produce jars 18 liquid level when surpassing the highest warning value when pitch, matrix pitch pump 21 stops; When the liquid level of emulsion tank I 12 was lower than minimum warning value, emulsion tank outlet valve I 1 was closed, and emulsion tank outlet valve II 3 is opened; When the liquid level of emulsion tank 14 was lower than minimum warning value, emulsion tank outlet valve I 1 was opened, and emulsion tank outlet valve II 3 is closed, so repeatedly.
Temperature protection.On the bistrique of emulsifying mill 9 and pitch production jar 18, temperature sensor is housed, the analog signals of temperature sensor collection by the A of PLC the D resume module be shown on the man-machine interface.When collecting temperature surpasses warning value, illustrate that emulsified bitumen production temperature is too high, can not produce qualified emulsified bitumen, the technology when at this moment equipment finishes according to production is closed various piece.
Pressure protect.On emulsifying mill 9, pressure transmitter is housed, the analog signals of pressure transmitter collection by the A of PLC the D resume module be shown on the man-machine interface.If be easy to generate flocks, so just very easily result in blockage the build-up of pressure rising at emulsifying mill 9 places because emulsion stirs when inhomogeneous and pitch mixes.So when force value surpassed the highest warning value, emulsifying mill 9 stopped, emulsion advances valve grinding 8, pitch production and advances valve grinding 16 and close, and corresponding emulsion recycle valve, pitch production cycle valve are opened.This moment, equipment entered recurrent state, prevented hypertonia, caused line fracture.
This Controlling System combines the needs of automated control technology in the emulsified bitumen production process, with the line data communication of going forward side by side that interrelates of PLC and frequency transformer, YE, industrial computer, makes system have superior performance.System is stable, reliable, has improved the level of automation of emulsified bitumen production process greatly, saves the security that manpower has guaranteed operator and equipment itself, has increased the distributing precision of emulsified bitumen.
Though above-mentionedly in conjunction with the accompanying drawings the embodiment of utility model is described; but be not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (2)
1. bitumen emulsion equipment automation control system, it is characterized in that, comprise PLC, the emulsion under meter, produce asphalt flow meter, temperature sensor, pressure transmitter, the pressure type liquid level sensor, frequency transformer, man-machine interface, and the motor-driven control valve that is connected with pipeline, magnetic valve, described PLC respectively with the emulsion under meter, produce asphalt flow meter, temperature sensor, pressure transmitter, the pressure type liquid level sensor, frequency transformer, motor-driven control valve, magnetic valve, man-machine interface connects, wherein frequency transformer is connected with pitch production pump, motor-driven control valve, the emulsion under meter is located on the pipeline at emulsion issuance of materials pump rear portion, producing asphalt flow meter is located on the pitch production pump forward pipeline, the pressure type liquid level sensor is arranged at the emulsion tank I respectively, the emulsion tank II, pitch is produced jar, on the matrix pitch jar, temperature sensor is arranged at the bistrique of emulsifying mill respectively, pitch is produced on the jar, and pressure transmitter is connected with emulsifying mill.
2. bitumen emulsion equipment automation control system as claimed in claim 1, it is characterized in that described magnetic valve comprises that emulsion tank outlet valve I, emulsion tank outlet valve II, the emulsion be located on the pipeline advance valve grinding, emulsion tank recycle valve I, emulsion tank recycle valve II, pitch production and advance valve grinding, pitch production cycle valve, matrix pitch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107173 CN203079914U (en) | 2013-03-08 | 2013-03-08 | Automatic control system of emulsified asphalt production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107173 CN203079914U (en) | 2013-03-08 | 2013-03-08 | Automatic control system of emulsified asphalt production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203079914U true CN203079914U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320107173 Expired - Fee Related CN203079914U (en) | 2013-03-08 | 2013-03-08 | Automatic control system of emulsified asphalt production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203079914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108268061A (en) * | 2017-12-29 | 2018-07-10 | 三汽车制造有限公司 | Control method, system and the bituminous mixing plant of pitch injection holding vessel |
| CN113956897A (en) * | 2021-11-26 | 2022-01-21 | 昆明理工大学 | Automatic production line for natural rubber emulsion modified asphalt and asphalt production method |
-
2013
- 2013-03-08 CN CN 201320107173 patent/CN203079914U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108268061A (en) * | 2017-12-29 | 2018-07-10 | 三汽车制造有限公司 | Control method, system and the bituminous mixing plant of pitch injection holding vessel |
| CN113956897A (en) * | 2021-11-26 | 2022-01-21 | 昆明理工大学 | Automatic production line for natural rubber emulsion modified asphalt and asphalt production method |
| CN113956897B (en) * | 2021-11-26 | 2023-09-01 | 昆明理工大学 | Automatic production line for natural rubber emulsion modified asphalt and asphalt production method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |