CN2044978U - Asphalt-to-water ratio automatic control apparatus for emulsified asphalt - Google Patents
Asphalt-to-water ratio automatic control apparatus for emulsified asphalt Download PDFInfo
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- CN2044978U CN2044978U CN 89212072 CN89212072U CN2044978U CN 2044978 U CN2044978 U CN 2044978U CN 89212072 CN89212072 CN 89212072 CN 89212072 U CN89212072 U CN 89212072U CN 2044978 U CN2044978 U CN 2044978U
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Abstract
The utility model relates to an oil-water ratio automatic control apparatus for producing emulsified asphalt, which is composed of a mechanical part and an automatic control part. The instantaneous flow rate of asphalt is measured by a Roots flow meter (20), and the instantaneous flow rate of emulsion is measured by a turbine flow meter. The flow rate of the emulsion is controlled by the apparatus in a function type control mode. The flow rate of the asphalt and the flow rate of the emulsion output direct current signals by f-I (frequency-electric current conversion) and output the demand signal after the equalization treatment of an automatic regulator (33) to adapt to the flow rate of the emulsion is controlled, the emulsion quantity needed by the asphalt, the controlling factor is reduced, and the control of oil-water ratio is reliably ensured.
Description
A kind of self-con-tained unit that relates to emulsified bitumen production is used for the automatic control that emulsified bitumen is produced water oil ratio, belongs to building material production facility.
Cationic emulsified bitumen is a kind of modification ground surface material, it be with pitch under the hot melt state, add a certain proportion of cationic emulsifier; Through the mechanical disintegration of high speed centrifugation, stirring, shearing pitch is become the fines of several micron grain sizes, make it become a kind of stable oil-in-water emulsion at normal temperatures.Emulsified bitumen is compared with the heated bitumen of routine, and its maximum characteristics are not to be subjected to climatic influences, as long as just can construct more than 5 ℃ Celsius.And heated bitumen can only be at construction during hot season, can prolong the construction time limit so greatly, also have easy construction, save energy simultaneously, cost is relatively low, pollution is few, advantages such as labor condition have been improved, and be convenient to concentrate and carry out commodity production, so emulsified bitumen is listed in the material modified of state key popularization.
The key issue that present domestic emulsified bitumen is produced, the control of water oil ratio is not well solved as yet.Tracing it to its cause one is that bituminous viscosity is big, and the variation of viscosity with temperature and changing; The 2nd, because of territory, pitch producing region difference, the component difference is big, and viscosity is different, and different oil viscosity also have than big difference, cause the asphalt flow meter amount is brought difficulty.The problem that existed by the influence of viscosity owing to the pitch flow, so the control problem of water oil ratio perplexs the production of emulsified bitumen for a long time.If the control of emulsified bitumen water oil ratio is bad, quality product is difficult to stablize, and often causes breakdown of emulsion, oily water separation, even can't use.The control method of conventional emulsified bitumen water oil ratio has artificial and two kinds of controls automatically, and because of the control of emulsified bitumen is a labile factor, problem does not solve.
The purpose of this utility model just is to provide a kind of factor function type control method and device thereof, promptly make independent variable(s) X, and make the flow W of water follow pitch flow X and change, that is: W=f (X) with the pitch flow, f is a water oil ratio in the formula, adapts to the needs of water oil ratio with control discharge.
The utility model by machinery and automatically the control two parts constitute, it is by rotz flowmeter, instrumentation bituminous instantaneous delivery, and the data of metering are carried out opto-electronic conversion is transported to self-operated regulator with the current signal form; Emulsion then by turbo flow meter instrumentation instantaneous delivery, carries out electromagnetic conversion, transports to self-operated regulator with the current signal form equally.Self-operated regulator with both signal through comparison process, if water oil ratio departs from setting valve, self-operated regulator is just exported a signal, carry out servo amplification, the driving servomotor rotates, and servomotor links to each other with the adjusting water valve, controls the flow of emulsifier solution with the aperture of regulating water valve, to be fit to the needs of water oil ratio, realize the purpose of emulsified bitumen water oil ratio control with this.Below in conjunction with drawings and Examples in detail, control commercial weight of the present utility model and constructional feature are described in detail.
Description of drawings
Fig. 1 is a process flow sheet of the present utility model
Fig. 2 is the figure that watches attentively of the utility model structure
Fig. 3 is an electrical control skeleton diagram of the present utility model
Its technical process shown in Figure 1 is divided into pitch and two technical process lines of emulsifier solution.Pitch bitumenpump behind thermal dehydration is delivered to insulated oil tank, is pumped to rotz flowmeter by insulated oil tank again, and the data that rotz flowmeter is surveyed are carried out opto-electronic conversion, with outward current signal input control system.Emulsifying agent and hot water are delivered to the emulsion mixing tank, by water pump the emulsion pump in the mixing tank are delivered to heat preserved water can, by water pump emulsion pump are delivered to turbo flow meter again, emulsion is through motor-driven control valve, flow to mixing tube, mix with pitch, enter mulser emulsification then at this.Product after the emulsification is delivered to storage tank and is deposited in order to taking.When emulsifier solution flows through motor-driven control valve, for non-free state flows, the restriction of its controlled system, the instantaneous delivery that turbo flow meter detects, convert current signal output to, through the processing of Controlling System relatively, recently control the aperture of motorized valve, make it to meet the needs of best water oil ratio according to the profit of adjusting.For making control perfect, in system, also be provided with operations such as preparation, sampling, former oil test, pH value adjustment and fine tune temperature.
Fig. 2 is a structural front view of the present utility model, and it is mainly by emulsion insulation jar (12), thermopair (11), (14), asphalt tank with heating device (15), electric heating thermal insulation water pot (13), turbine flux transmitter (8), motor-driven control valve (7), emulsion pump (5), bitumenpump (18), rotz flowmeter (20), photoelectric commutator (19), mulser (23), mulser driving motor (3), bitumenpump driving motor (22), frame (25), crossbeam (21), mixing tube (29), electrothermal tube (17) and (10), bitumenpump diesel oil wash tube component such as (28) constitute.Emulsion pump (5), motorized valve (7), bitumenpump (18), rotz flowmeter (20), electric machine of asphalt pump (22), photoelectric commutator (19) all are bearing on the crossbeam (21).Mulser (23) and driving motor (3) thereof are installed in the bottom of frame (25), emulsion insulation jar (12) and asphalt tank with heating device (15) then are bearing in the top of frame (25), and the bottom of emulsion insulation jar (12) connects the entrance end that latex vessel (9), latex vessel (9) connect emulsion pump (5).The entrance end of motorized valve (7) also connects emulsifying pipe (9) and (4) and emulsion pump (5) exit end.Pitch behind the thermal dehydration is pumped in the asphalt tank with heating device (15), be incubated by electrothermal tube (17), the temperature of insulation is measured by thermopair (14), the pitch that is fluid state flow to rotz flowmeter through asphalt valve (16) and pump (18) and measures, and enters mixing tube (29) then and mixes with emulsifying agent liquefaction.Flow to emulsification in the mulser (23) after the mixing, the product after the emulsification is transported to storage tank through pipeline (27) and is deposited.
Emulsion carries out heat tracing by electrothermal tube (10) in insulation jar (12), its temperature is measured by thermopair (11).Transport to turbo flow meter (8) metering by emulsion pump (5), the data-switching after the metering becomes current signal to transport to Controlling System.Handle output control signal through Controlling System, amplify, drive-motor, the aperture (being the size of dominant discharge) of control electrically operated valve (7).What of emulsifier solution are according to the difference of the pitch trade mark and different, and according to W=f(X) funtcional relationship regulate.X represents the pitch flow in the formula, and W represents the emulsifier solution flow, and f represents water oil ratio, and the size of f value determines that by test its numerical value changes, and is adjusted in advance in Controlling System in 1.2～1.8 scopes.As long as therefore knowing the pitch trade mark in control process just can control according to setting valve.If water oil ratio departs from setting valve, Controlling System output control signal changes the aperture of motorized valve, and water oil ratio is controlled in the optimum range automatically.
For making effective operation of whole emulsifier unit, the utility model also is equipped with cleaning system.If pitch increases because of meeting cold back viscosity, blocks valve, pipeline and relevant devices for preventing pitch, when finishing certain batch process back needing to shut down, must clean.Diesel fuel tanks (26) and pipeline (28) are exactly to design for this reason.Close asphalt valve (16) during shutdown in advance; blind off a line simultaneously (27A) valve in (27); make bitumenpump (18) extract diesel oil from diesel fuel tanks (26); with bitumenpump (18), rotz flowmeter (20); mulser (23) cleans; diesel oil after the cleaning and asphalt mixture are returned in the diesel fuel tanks (26) by the by-pass valve (27B) in the pipeline (27), and valve this moment (27A) cuts out, and (27A) opens when producing.Mulser (23) also needs to clean with hot water after diesel oil cleans, and the hot water in the hot well tank (13) enters mulser (23) through hot-water line (6) and cleans, and the waste water after the cleaning drains in the ad hoc wastewater disposal basin and handles.For emulsifying agent and hot water can be mixed, this device is provided with to mix and stirs jar (30), stir with stirrer (31), the emulsion that stirs enters emulsion case (1) working shaft (2) suction, and emulsion case (1) and stirred pot (30) are linked up with pipeline and valve.
Working process of the present utility model is as follows: the lower end of heat preserved water can (12) connects liquid-inlet pipe (9), one termination emulsion pump (5) of liquid-inlet pipe (9), the import of the water outlet termination motor-operated control valve (7) of emulsion pump (5), the outlet of valve (7) connects the inlet of mixing tube (29), and mixing tube (29) connects the import of mulser.Mixing tube (29) is a breeches pipe, and the upper end connects motorized valve (7) and rotz flowmeter (20) respectively, the import of following termination breast machine (23).Emulsifier solution is just successively by above-mentioned route; Emulsifier solution also can pass through another route, i.e. directly suction from emulsification tank (1) of working shaft (2) directly enters motorized valve (7) through pipeline (4).Pitch by bitumenpump (18), enters rotz flowmeter (20) by the asphalt valve (16) of asphalt tank with heating device (15) through its underpart, reenters mixing tube (29), enters mulser (23) at last and carries out emulsification.At its flow of a said process medium pitch instrumentation, dominant discharge can not make controlling factor reduce like this, and the flow of major control emulsifier solution, and control mode is exactly the aperture of motorized valve (7), and the control of aperture to be energising control system finish.Make control rapidly and accurately, thereby control water oil ratio effectively, to guarantee the stable of quality product.
Fig. 3 is the skeleton diagram of the utility model water oil ratio electrical control.It mainly is made of rotz flowmeter (20), photoelectric commutator (19), turbine flux transmitter (8), flow integrator (32A), (32B), self-operated regulator (33), electric operator (34), position transmitter (36), servoamplifier (35), speed reduction unit (38), two-phase servomotor (37), motor-driven control valve (7).The pitch flow of rotz flowmeter (20) instrumentation converts photoelectric pulse signal output to, through processing such as amplification, shaping, integrations, realizes frequency-electric current (f-I) conversion, exports 0～10 milliampere of dc signal to self-operated regulator; Meanwhile emulsifier solution carries out instrumentation by turbine flux transmitter (8), and the data-switching of metering becomes electromagnetic signal, and through overfrequency-electric current (f-I) conversion, the dc signal that becomes 0～10 milliampere is also transported to self-operated regulator equally.The two current signal of pitch and emulsifier solution is through after the balance comparison process of self-operated regulator, simultaneously according to the signal of motorized valve (7) position by position transmitter (36).If the emulsifier solution flow that detects can not satisfy W=f(X) setting valve, setter can be exported given control signal, produce bigger power output by servoamplifier (35), the driving two phase servomotor rotates, slow down by speed reduction unit (38), drive valve (7) and rotate the aperture size of regulated valve, thereby control the flow of emulsifier solution, make it to adapt to the needs of water oil ratio.If detect the requirement that both flows meet the water oil ratio of adjusting, the electric current of self-operated regulator output is zero so, the servoamplifier no-output, and the two phase servomotor stall, electrically operated valve is stabilized in original predetermined position.The back water oil ratio is out of control in order to prevent to cut off the power supply, and guarantees the steady quality of emulsified bitumen, and the utility model is equipped with automatically ()/() manually not have disturbance switching, motorized valve (7) and bitumenpump (18) all handwheel, can use manual operation immediately instead.
The utility model main technical details is as follows:
1, throughput: 4500kg/h
2, emulsifying agent consumption: 4 ‰
3, evaporation residue content: 55～60%
4, evaporation of residual properties:
(1), penetration degree (on average) 5S(200g, 25 ℃) 160
(2), extensibility (on average) (25 ℃) 60(cm)
(3), solubleness (on average) (trieline) 〉=98(%)
5, residual content on the sieve :≤0.3% minimum 0.2 ‰
6, particle diameter: minimum 2 μ of≤5 μ
7, shelf-stable degree:
Macroscopic view: outdoor storage is more than 15 days, and barreled is more than 20 days, and top layer skinning thickness is about 1cm.
8, other indexs all meet ministerial standard.
Functional through the test in place emulsified bitumen.
Claims (6)
1, a kind of emulsified bitumen water oil ratio self-con-tained unit that relates to emulsified bitumen production, it is made of machinery and automatic control two parts, it is characterized in that mechanical part is mainly by emulsion insulation jar [12], asphalt tank with heating device [15], asphalt valve [16], bitumenpump [18], rotz flowmeter [20], photoelectric commutator [19], bitumenpump transmission electronic [22], crossbeam [21], mulser [23], mixing tube [29], frame [25], emulsion pump [5], turbine flux transmitter [8], motorized valve [7], mulser driving motor [3], working shaft [2], emulsion case [1], stirred pot [30], stirrer [31] is formed.Asphalt tank with heating device [15] is termination asphalt valve [16] down, the import termination asphalt valve [16] of bitumenpump [18], following termination rotz flowmeter [20], the outlet termination mixing tube [29] of rotz flowmeter [20], the import of the exit end of mixing tube [29] and mulser [23] is joined, mixing tube [29], the import of the exit end of mixing tube [29] and mulser [23] is joined, one branch pipe of mixing tube [29] upper end connects motorized valve [7], the exit end of the entrance end of electrically operated valve [7] and emulsion pump [5] and latex vessel and [4] also connect, emulsion case [1] and stirred pot [30] are linked up with pipeline and valve, emulsion pump [5], motorized valve [7], bitumenpump [18] and motor [22] thereof, rotz flowmeter [20], photoelectric commutator [19] is bearing on the crossbeam [21], mulser [23] and driving motor [3] thereof are installed in the bottom of frame [25], emulsion insulation jar [12] and asphalt tank with heating device [15] then are placed in the top of frame [25], automatically control section is mainly by rotz flowmeter [20], photoelectric commutator [19], turbine flux transmitter [8], flow integrator [32A], [32B], self-operated regulator [33], electric operator [34], position transmitter [36], servoamplifier [35], two-phase servomotor [37], speed reduction unit [38], motorized valve [7] constitutes, and electrically operated valve [7] is controlled by the signal of self-operated regulator [33].
2, emulsified bitumen water oil ratio self-con-tained unit according to claim 1, the import termination mixing tube (29) that it is characterized in that mulser (23), mixing tube (29) is a fork-shaped, one branch pipe connects rotz flowmeter (20), another branch pipe connects motorized valve (7), and the outlet of mulser (23) connects emulsified bitumen outlet pipe (27).
3, emulsified bitumen water oil ratio self-con-tained unit according to claim 1, it is characterized in that diesel fuel tanks (26) and pipeline (28), valve (27A), (27B) form the diesel oil cleaning system jointly, the residual asphalt in bitumenpump (18), rotz flowmeter (20), mulser (23), the mixing tube (29) can be cleaned up.
4, emulsified bitumen water oil ratio self-con-tained unit according to claim 1, it is characterized in that emulsion insulation jar (12), asphalt tank with heating device (15), in jar, be equiped with electrothermal tube (10) and (17) insulation respectively, and measure Heating temperature by thermopair (11) and (14).
5, emulsified bitumen water oil ratio self-con-tained unit according to claim 1, the function type that is controlled to be that it is characterized in that the emulsified bitumen water oil ratio, rotz flowmeter (20) is only measured bituminous instantaneous delivery X, emulsion flow W is then by W=f(X) functional relation control, f is a water oil ratio, and the scope of f value is 1.2～1.8 needs with emulsion flow adaptation pitch flow.
6, according to the described emulsified bitumen water oil ratio of claim 1 self-con-tained unit, it is characterized in that, when water oil ratio meets setting valve, self-operated regulator (33) outward current is zero, motorized valve (7) is motionless, and when water oil ratio departs from setting valve, self-operated regulator (33) is exported to definite value, servoamplifier (35) amplifies signal and exports enough power drive two-phase motors (37) and rotate, driving motorized valve (7) through speed reduction unit (38) rotates, change the aperture of valve, regulate the emulsion flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89212072 CN2044978U (en) | 1989-01-21 | 1989-01-21 | Asphalt-to-water ratio automatic control apparatus for emulsified asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89212072 CN2044978U (en) | 1989-01-21 | 1989-01-21 | Asphalt-to-water ratio automatic control apparatus for emulsified asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2044978U true CN2044978U (en) | 1989-09-27 |
Family
ID=4868263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89212072 Withdrawn CN2044978U (en) | 1989-01-21 | 1989-01-21 | Asphalt-to-water ratio automatic control apparatus for emulsified asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2044978U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628390A (en) * | 2013-12-19 | 2014-03-12 | 北京盛广拓公路科技有限公司 | Emulsified asphalt in-plant cold recycling mixing cylinder |
| CN106823876A (en) * | 2017-04-10 | 2017-06-13 | 安徽恒源煤电股份有限公司 | A kind of device for matching somebody with somebody liquid for emulsion |
| CN106881051A (en) * | 2015-12-15 | 2017-06-23 | 上海奥星制药技术装备有限公司 | Emulsification control system |
| CN108254046A (en) * | 2018-03-14 | 2018-07-06 | 山推建友机械股份有限公司 | A kind of emulsified asphalt flowmeter rinses calibration system and its control method |
| CN109826992A (en) * | 2019-02-27 | 2019-05-31 | 特福隆（上海）科技有限公司 | A kind of Intelligent flow controller |
-
1989
- 1989-01-21 CN CN 89212072 patent/CN2044978U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628390A (en) * | 2013-12-19 | 2014-03-12 | 北京盛广拓公路科技有限公司 | Emulsified asphalt in-plant cold recycling mixing cylinder |
| CN103628390B (en) * | 2013-12-19 | 2016-05-04 | 北京盛广拓公路科技有限公司 | Cylinder is mixed in the cold regeneration of a kind of emulsified asphalt plantmix |
| CN106881051A (en) * | 2015-12-15 | 2017-06-23 | 上海奥星制药技术装备有限公司 | Emulsification control system |
| CN106823876A (en) * | 2017-04-10 | 2017-06-13 | 安徽恒源煤电股份有限公司 | A kind of device for matching somebody with somebody liquid for emulsion |
| CN108254046A (en) * | 2018-03-14 | 2018-07-06 | 山推建友机械股份有限公司 | A kind of emulsified asphalt flowmeter rinses calibration system and its control method |
| CN109826992A (en) * | 2019-02-27 | 2019-05-31 | 特福隆（上海）科技有限公司 | A kind of Intelligent flow controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Li Jiarui Designer after: Yang Jinwen Designer after: Xu Wenjian Designer after: Zhan Xinhua Designer after: Wei Jiping Designer after: Yang Kaibang Designer after: Liu Keqiang Designer after: Xia Jishuang Designer after: Peng Yuliang Designer before: Wei Jiping Designer before: Yang Jinwen Designer before: Xu Wenjian Designer before: Xia Jishuang Designer before: Liu Keqiang Designer before: Zhan Xinhua Designer before: Yang Kaibang Designer before: Peng Yuliang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: CENTRAL OIL FIELD, YIYANG AREA GENERAL ROAD SECTION TO: MATERIAL SUPPLYINGSTATION,YIYANG AREA GENERAL ROAD SECTION, HUNAN PROV.; DESIGNER; FROM: WEI JIPING; YANG JINWEN; XU WENJIAN; XIA JISHUANG; LIU KEQIANG; ZHAN XINHUA; YANG KAIBANG; PENG YULIANG TO: LI JIARUI; YANG JINWEN; XU WENJIAN; ZHAN XINHUA; WEI JIPING; YANG KAIBANG; LIU KEQIANG; XIA JISHUANG; PENG YULIANG |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Yiyang Rallways Material Supplying Station, Hunan Prov. Patentee before: Center Oil Shop Under Yiyang Prefecture Highway District Office |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |