CN108179682A - The pitch on-line proving device and method of continuous asphalt mixing plant - Google Patents
The pitch on-line proving device and method of continuous asphalt mixing plant Download PDFInfo
- Publication number
- CN108179682A CN108179682A CN201810168720.7A CN201810168720A CN108179682A CN 108179682 A CN108179682 A CN 108179682A CN 201810168720 A CN201810168720 A CN 201810168720A CN 108179682 A CN108179682 A CN 108179682A
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- CN
- China
- Prior art keywords
- pitch
- middle transition
- weighing hopper
- bitumenpump
- asphalt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1068—Supplying or proportioning the ingredients
- E01C19/1077—Supplying or proportioning the ingredients the liquid ingredients
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The pitch on-line proving device of continuous asphalt mixing plant, including the middle transition weighing hopper being set between bituminous pitch storing tank and a mixing bowl, inlet pipeline is equipped between middle transition weighing hopper and bituminous pitch storing tank, bitumenpump one is installed on the inlet pipeline, outlet conduit is equipped between middle transition weighing hopper and a mixing bowl, bitumenpump two on the outlet conduit is installed, asphalt flow meter is also equipped on the outlet conduit between bitumenpump two and a mixing bowl.During calibration, bitumenpump one is stopped, bitumenpump two continues to run with, the speed of pitch weight reduction in middle transition weighing hopper is obtained by operation to verify the measuring accuracy of asphalt flow meter, if there are errors with middle transition weighing hopper weight reduction speed data for flowmeter feedback data after calibration, automatic to carry out flow meter parameter revision.The present invention realizes on-line proving of the mixing plant under not shutdown status, ensure that the stability of asphalt discharging quality.
Description
Technical field
The present invention relates to asphalt production equipment technical fields, more specifically refer to that a kind of continuous asphalt mixture stirs
The pitch on-line proving device and method of mixing equipment.
Background technology
For continuous asphalt mixing plant, the control mode of flow rate of asphalt is generally as follows：Pacified by acquiring
The signal of flowmeter loaded on conduit outlet position is simultaneously compared in control software with target flow, then by adjusting drip
The rotating speed or output flow of blueness pump realize the continuous metering of pitch.Due to during this, being worn by bitumenpump, asphalt viscosity
The factors such as variation, flowmeter component aging influence, and need periodically to demarcate flowmeter, are otherwise likely to result in metering not
Standard influences finished product material quality.
Traditional calibration mode is：One is set above pipeline before pitch pipeline enters a mixing bowl, after flowmeter
Pitch is output to an external storage barrel during calibration by a triple valve by switching this triple valve.After calculating switching
The measuring accuracy of the anti-plug-flow gauge of weight of pitch, such as inaccurate in the storage barrel being collected into after time and switching, can convection current
Gauge parameter is modified.The drawbacks of this method is brought is precisely due to pitch has been linked into an external storage barrel, mark
Timing device has to shut down.And also there are problems that two when being demarcated with this operating method for engineering construction：1、
It needs to stop mixing plant before calibration, it is in need after calibration to be switched on again, the stability of discharging quality can be influenced in this way.Especially need
It is very big to Influence of production when frequently demarcating；It generally requires to calculate switching time when the 2nd, toward external storage barrel conveying pitch, when
Between it is too short in the case of data do not have representativeness；Time is too long, then external storage tank volume just needs very big, claims to the later stage
Heave hand much bothers.
Invention content
The present invention provides a kind of pitch on-line proving device and method of continuous asphalt mixing plant, main
The flow rate of asphalt calibration for aiming to overcome that existing continuous asphalt mixing plant is by after switching flowmeter
Pitch is output to an external storage barrel by triple valve, and must be shut down before demarcating, and influences mixing plant discharging quality
The shortcomings of stability.
The present invention adopts the following technical scheme that：
The pitch on-line proving device of continuous asphalt mixing plant, including being set between bituminous pitch storing tank and a mixing bowl
Middle transition weighing hopper, set between the middle transition weighing hopper and bituminous pitch storing tank there are one inlet pipeline, the inlet tube
Bitumenpump one on road is installed, one outlet pipeline, the outlet conduit are equipped between the middle transition weighing hopper and a mixing bowl
On bitumenpump two is installed, an asphalt flow meter is also equipped on the outlet conduit between the bitumenpump two and a mixing bowl.
Further, the front end of the inlet pipeline is connect with the bituminous pitch storing tank, the end connection of the inlet pipeline
The middle transition weighing hopper, does not contact with middle transition weighing hopper.
Further, the front end of the outlet conduit connects the middle transition weighing hopper, not with middle transition weighing hopper
Contact, the end of the outlet conduit is connect with a mixing bowl.
Further, the middle transition weighing hopper includes batch box and weighing sensor, and the batch box is hung vertically
Below the weighing sensor.
Further, a Heat preservation layer is coated on the periphery wall of the batch box.
Further, the pitch on-line proving device of the continuous asphalt mixing plant further includes a computer control
Device processed, the computer control respectively with the bitumenpump one, middle transition weighing hopper, bitumenpump two and asphalt flow meter
Connection.
The pitch on-line proving scaling method of continuous asphalt mixing plant is mixed including above-mentioned continuous asphalt
Expect the pitch on-line proving device of mixing plant, be as follows：
（1）Bitumenpump one and bitumenpump two is made to be run with identical flow parameter, flow rate of asphalt is controlled by asphalt flow meter；
（2）Bitumenpump one is stopped, and bitumenpump two is continued to run with former flow parameter, pitch emphasis in middle transition weighing hopper
Amount gradually decreases, and passes through computer control operation and obtain the speed of pitch weight reduction in middle transition weighing hopper；
（3）By step（2）The stoichiometric number of the speed of pitch weight reduction and asphalt flow meter in obtained middle transition weighing hopper
According to being compared；
（4）If there are errors for the speed of pitch weight reduction in the continuous data of asphalt flow meter and middle transition weighing hopper, lead to
Computer control is crossed automatically to be modified the parameter of asphalt flow meter.
By the above-mentioned description to structure of the present invention it is found that compared to the prior art, the invention has the advantages that：
1st, the present invention is additionally arranged middle transition weighing hopper, and bituminous pitch storing tank and intermediate mistake between bituminous pitch storing tank and a mixing bowl
The inlet pipeline for crossing weighing hopper is equipped with bitumenpump one, the outlet conduit of middle transition weighing hopper and a mixing bowl be equipped with bitumenpump two and
Asphalt flow meter, during normal operation, two bitumenpumps are run according to identical flow parameter, and flow rate of asphalt is by asphalt flow meter
Control；During calibration, bitumenpump one is stopped, and bitumenpump two is continued to run with former flow parameter, in middle transition weighing hopper
Pitch weight gradually decreases, and obtains the speed of pitch weight reduction in middle transition weighing hopper by operation to verify pitch stream
The measuring accuracy of gauge, if flowmeter feedback data reduces speed data in the presence of mistake with middle transition weighing hopper weight after calibration
Difference then carries out flow meter parameter revision automatically.The present invention realizes on-line proving of the mixing plant under not shutdown status, ensures
The stability of asphalt discharging quality.
2nd, inlet pipeline and outlet conduit of the invention are not contacted with middle transition weighing hopper, improve middle transition metering
Struggle against the accuracy measured.
3rd, bitumenpump one, middle transition weighing hopper, bitumenpump two and asphalt flow meter are connected with computer control
It connects, it can be achieved that the control of pitch revolution speed, weight detecting, flow meter signal reception and its automatic amendment of measuring parameter.
Description of the drawings
Structure diagram when Fig. 1 is production status of the present invention.
Structure diagram when Fig. 2 is calibration state of the present invention.
Specific embodiment
Illustrate the specific embodiment of the present invention with reference to the accompanying drawings.In order to fully understand the present invention, it is described below and is permitted
More details, but to those skilled in the art, the present invention can be also realized without these details.For well known component, side
Method and process, are not described in detail below.
The pitch on-line proving device of continuous asphalt mixing plant, with reference to Fig. 1 or Fig. 2, including being set on pitch
Middle transition weighing hopper 10 between holding vessel 1 and a mixing bowl 2, between the middle transition weighing hopper 10 and bituminous pitch storing tank 1
If there are one inlet pipeline 11, bitumenpump 1, the middle transition weighing hopper 10 and stirring are installed on the inlet pipeline 11
One outlet pipeline 21 is equipped between cylinder 2, bitumenpump 2 22, the bitumenpump 2 22 and stirring are installed on the outlet conduit 21
An asphalt flow meter 23 is also equipped on outlet conduit 21 between cylinder 2.
With reference to Fig. 1 or Fig. 2, above-mentioned middle transition weighing hopper 10 is equipped with inlet and outlet, the front end of inlet pipeline 11 and institute
Bituminous pitch storing tank 1 is stated to connect, the end of the inlet pipeline 11 connects the import of the middle transition weighing hopper 10, but not with centre
Madial wall and the bottom wall contact of transition weighing hopper 10；The front end of outlet conduit 21 connects going out for the middle transition weighing hopper 10
Mouthful, but do not contacted with the madial wall of middle transition weighing hopper 10 and bottom wall, the end of the outlet conduit 21 connects with a mixing bowl 2
It connects.
With reference to Fig. 1 or Fig. 2, above-mentioned middle transition weighing hopper 10 includes batch box 101 and weighing sensor 102, the meter
Two sides on 101 top of measuring tank are respectively symmetrically set there are one weighing sensor 102, and batch box 101 is hung on described weigh vertically
Below sensor 102, a Heat preservation layer 103 is coated on the periphery wall of the batch box 101, to the pitch in batch box 101
Carry out heating and thermal insulation.
With reference to Fig. 1 or Fig. 2, the pitch on-line proving device of the continuous asphalt mixing plant further includes a calculating
Machine controller 3, the computer control 3 respectively with bitumenpump 1, middle transition weighing hopper 10, bitumenpump 2 22 and drip
Green flowmeter 23 connects, it can be achieved that the control of pitch revolution speed, weight detecting, flow meter signal receive and its measuring parameter it is automatic
It corrects.
The scaling method of the pitch on-line proving device of above-mentioned continuous asphalt mixing plant, specific steps are such as
Under：
（1）With reference to Fig. 1, bitumenpump 1 and bitumenpump 2 22 is made to be run with identical flow parameter, flow rate of asphalt is by pitch stream
Gauge 23 controls；
（2）With reference to Fig. 2, bitumenpump 1 is stopped, and bitumenpump 2 22 is continued to run with former flow parameter, middle transition meter
Pitch weight gradually decreases in batch box 10, and passes through 3 operation of computer control and obtain pitch emphasis in middle transition weighing hopper 10
The reduced speed of amount；
（3）By step（2）The speed of pitch weight reduction and the meter of asphalt flow meter 23 in obtained middle transition weighing hopper 10
Amount data are compared；
（4）It is missed if the continuous data of asphalt flow meter 23 and the speed of pitch weight reduction in middle transition weighing hopper 10 exist
Difference is automatically modified the parameter of asphalt flow meter 23 by computer control 3.
The specific embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this
Conceive the change that unsubstantiality is carried out to the present invention, the behavior for invading the scope of the present invention should all be belonged to.
Claims (7)
1. the pitch on-line proving device of continuous asphalt mixing plant, it is characterised in that：Including being set on bituminous pitch storing
Middle transition weighing hopper between tank and a mixing bowl is set between the middle transition weighing hopper and bituminous pitch storing tank there are one import
Pipeline is equipped with bitumenpump one on the inlet pipeline, and one outlet pipe is equipped between the middle transition weighing hopper and a mixing bowl
Road is equipped with bitumenpump two on the outlet conduit, one is also equipped on the outlet conduit between the bitumenpump two and a mixing bowl
A asphalt flow meter.
2. the pitch on-line proving device of continuous asphalt mixing plant as described in claim 1, it is characterised in that：
The front end of the inlet pipeline is connect with the bituminous pitch storing tank, and the end of the inlet pipeline connects the middle transition metering
Bucket, does not contact with middle transition weighing hopper.
3. the pitch on-line proving device of continuous asphalt mixing plant as described in claim 1, it is characterised in that：
The front end of the outlet conduit connects the middle transition weighing hopper, is not contacted with middle transition weighing hopper, the outlet conduit
End is connect with a mixing bowl.
4. the pitch on-line proving device of continuous asphalt mixing plant as described in claim 1, it is characterised in that：
The middle transition weighing hopper includes batch box and weighing sensor, and the batch box is hung on vertically under the weighing sensor
Side.
5. the pitch on-line proving device of continuous asphalt mixing plant as claimed in claim 4, it is characterised in that：
A Heat preservation layer is coated on the periphery wall of the batch box.
6. the pitch on-line proving device of continuous asphalt mixing plant as described in claim 1, it is characterised in that：
Further include a computer control, the computer control respectively with the bitumenpump one, middle transition weighing hopper, bitumenpump
Two and asphalt flow meter connection.
7. the pitch on-line proving scaling method of continuous asphalt mixing plant, including connecting as claimed in claim 6
The pitch on-line proving device of continuous formula asphalt mixing plant, which is characterized in that be as follows：
（1）Bitumenpump one and bitumenpump two is made to be run with identical flow parameter, flow rate of asphalt is controlled by asphalt flow meter；
（2）Bitumenpump one is stopped, and bitumenpump two is continued to run with former flow parameter, pitch emphasis in middle transition weighing hopper
Amount gradually decreases, and passes through computer control operation and obtain the speed of pitch weight reduction in middle transition weighing hopper；
（3）By step（2）The stoichiometric number of the speed of pitch weight reduction and asphalt flow meter in obtained middle transition weighing hopper
According to being compared；
（4）If there are errors for the speed of pitch weight reduction in the continuous data of asphalt flow meter and middle transition weighing hopper, lead to
Computer control is crossed automatically to be modified the parameter of asphalt flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168720.7A CN108179682A (en) | 2018-03-01 | 2018-03-01 | The pitch on-line proving device and method of continuous asphalt mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168720.7A CN108179682A (en) | 2018-03-01 | 2018-03-01 | The pitch on-line proving device and method of continuous asphalt mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108179682A true CN108179682A (en) | 2018-06-19 |
Family
ID=62552986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810168720.7A Pending CN108179682A (en) | 2018-03-01 | 2018-03-01 | The pitch on-line proving device and method of continuous asphalt mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108179682A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455683A (en) * | 2019-08-29 | 2019-11-15 | 福建铁拓机械有限公司 | A kind of foamed asphalt device for measuring viscosity and its measurement method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203964961U (en) * | 2014-01-16 | 2014-11-26 | 中国人民解放军海军航空工程学院 | A kind of portable flow metering device |
| US20160265954A1 (en) * | 2015-03-10 | 2016-09-15 | Honeywell International Inc. | Hybrid sensing ultrasonic flowmeter |
| CN206269882U (en) * | 2016-12-07 | 2017-06-20 | 苏州阿洛斯环境发生器有限公司 | A kind of dangerous liquid metering system |
| CN107389272A (en) * | 2017-08-09 | 2017-11-24 | 国电环境保护研究院 | A kind of SO3Standard gas generating apparatus and scaling method |
| CN206945098U (en) * | 2017-06-28 | 2018-01-30 | 福建南方路面机械有限公司 | A kind of Coriolis mass flowmeter calibration system |
-
2018
- 2018-03-01 CN CN201810168720.7A patent/CN108179682A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203964961U (en) * | 2014-01-16 | 2014-11-26 | 中国人民解放军海军航空工程学院 | A kind of portable flow metering device |
| US20160265954A1 (en) * | 2015-03-10 | 2016-09-15 | Honeywell International Inc. | Hybrid sensing ultrasonic flowmeter |
| CN206269882U (en) * | 2016-12-07 | 2017-06-20 | 苏州阿洛斯环境发生器有限公司 | A kind of dangerous liquid metering system |
| CN206945098U (en) * | 2017-06-28 | 2018-01-30 | 福建南方路面机械有限公司 | A kind of Coriolis mass flowmeter calibration system |
| CN107389272A (en) * | 2017-08-09 | 2017-11-24 | 国电环境保护研究院 | A kind of SO3Standard gas generating apparatus and scaling method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455683A (en) * | 2019-08-29 | 2019-11-15 | 福建铁拓机械有限公司 | A kind of foamed asphalt device for measuring viscosity and its measurement method |
| CN110455683B (en) * | 2019-08-29 | 2024-03-29 | 福建省铁拓机械股份有限公司 | Foam asphalt viscosity measuring device and measuring method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Applicant after: Fujian tietuo Machinery Co., Ltd Address before: 362000 Tong Xi industrial zone, Luojiang District, Fujian, Quanzhou Applicant before: FUJIAN TIETUO MACHINERY Co.,Ltd. |