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GB/T 25697-2013: Road construction and road maintenance machinery and equipment -- Asphalt pavement hot-in-place recycling remixer
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Basic data | Standard ID | GB/T 25697-2013 (GB/T25697-2013) | | Description (Translated English) | Road construction and road maintenance machinery and equipment -- Asphalt pavement hot-in-place recycling remixer | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P97 | | Classification of International Standard | 91.220 | | Word Count Estimation | 45,420 | | Older Standard (superseded by this standard) | GB/T 25697-2010 | | Quoted Standard | GB 150.1; GB/T 3766; GB/T 7935; GB/T 8499; GB/T 8593.1; GB/T 8593.2; GB/T 8923.1-2011; GB/T 9969; GB/T 13306; GB 14048.1; GB/T 16277-2008; GB 16914; GB/T 16937; GB 16710.1; GB/T 17248.2; GB/T 17299; GB/T 17300; GB 19344; GB 20178; GB/T 21152; GB/T 21153; | | Regulation (derived from) | National Standards Bulletin 2013 No. 27 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the asphalt pavement situ thermal regeneration remixer (hereinafter referred to as remixer) terms and definitions, product classification, technical requirements, performance testing, reliability testing, inspection rules, marking, | GB/T 25697-2013: Road construction and road maintenance machinery and equipment -- Asphalt pavement hot-in-place recycling remixer
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Road construction and road maintenance machinery and equipment. Asphalt pavement hot-in-place recycling remixer
ICS 91.220
P97
National Standards of People's Republic of China
Replacing GB/T 25697-2010
Road construction and maintenance machinery and equipment
Asphalt Pavement thermal regeneration reclaimer
Issued on. 2013-12-31
2014-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Types and main parameters 3
5 Technical requirements 4
6 Test methods 9
7 Inspection rules 20
8 signs, packaging, transportation and storage 22
Appendix A (informative) Test record Table 23
Annex B (informative) reliability test records Table 39
Annex C (normative) Flatness (3m ruler) Methods of measurement 41
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 25697-2010 "Road construction and maintenance machinery and equipment Asphalt Pavement thermal regeneration reclaimer." versus
GB/T 25697-2010 compared to the main changes are as follows.
--- Modify the "Terms and Definitions" Central "comprehensive" and a "fractional step method" Hot Recycling Asphalt Pavement reclaimer term as "compound" and
"Step by Step" Hot Recycling Asphalt Pavement re-mixing machine, adding a definition of "Asphalt Pavement thermal regeneration unit complex mix" of repair
Changed the "technical capability" is defined as part of the "parts" and (see 3.1,3.2,3.3);
--- Modified "category and parameters" in the way of job classification by type and main parameters required (see Chapter 4);
--- Modify the "technical requirements" on the job performance of recycled asphalt mix requirements [see 5.2.10f)];
--- Modify the "technical requirements" on "mixing system" and "safety, environmental protection requirements" of the technical requirements (see 5.4.10,5.5.7);
--- Remove the "technical requirements" of "bitumen solution spray system," adds "regenerated catalyst spray system" and "bitumen spray system."
(See 5.4.7,5.4.8);
--- Increased "technical requirements" in part "performance requirements" content (see 5.2.13 ~ 5.2.16,5.5.9);
--- Delete the words "test" in the tire ground pressure, diesel, heating means embedded thermocouples and other requirements and test methods;
--- Modify the "Test Method" in the "Test Site Requirements" [see 6.1.3d), 6.1.6];
"Heating fuel consumption test" "measurement" add new asphalt transportation system capacity --- modified "test methods" in "for scarifying
Industry productivity test "" stirring productivity test "" stir test "" paving performance test "Test Method
(See 6.11.1.2,6.11.4,6.11.5.1,6.11.6.1,6.11.6.2,6.11.7);
--- "Test Method" in the "regeneration agent tank insulation system performance testing" with "renewable agent tank heating and insulation performance testing," adds
"Regeneration sprayed amount and accuracy test" (see 6.11.2.1,6.11.2.2);
--- Increasing the "asphalt spray system performance testing" "scarifying shaft speed," "Shaft speed" and "steering mechanism operating force and stroke measuring"
Test methods (see 6.11.3,6.11.5.2,6.11.6.3,6.12);
--- Added "Test Method" in the "step by step on asphalt pavement in situ thermal regeneration reclaimer, not paving performance test requirements." Within
JB/T 10094 industrial boilers General technical requirements
JG/T 5035 construction machinery and equipment contaminated with solid oil cleanliness classification
JG/T 5050 Construction machinery and equipment reliability assessment General
JG/T 5089 oil in automatic particle counting method of solid particulate contaminants
Liquid such methods JG/T 5090 is extracted from the operating state of the hydraulic system piping
JTGE20-2011 Highway Engineering asphalt and asphalt testing procedures
JTGF40-2004 asphalt pavement construction specifications
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 machine
3.1.1
Asphalt Pavement thermal regeneration reclaimer asphaltpavementhot-in-placerecyclingremixer
Having a heating, scarifying, mixing, add asphalt recycled materials, adding asphalt, paving and other functions of the asphalt pavement maintenance equipment, said
Function which can be combined on a single machine, or by a combination of these different functions into a mechanical unit.
3.1.2
Bituminous Pavement thermal regeneration reclaimer combinedasphaltpavementhot-in-placerecyclingremixer
A computer with heating, scarifying, mixing, adding asphalt recycling solution, adding new asphalt, paving and other functions of the reclaimer.
3.1.3
Step asphalt pavement in situ thermal regeneration reclaimer sub-stepasphaltpavementhot-in-placerecyclingremixer
Heating, scarifying, mixing, adding asphalt recycling solution, adding a new asphalt function, according to a combination of process requirements in different machinery
Reclaimer unit formation.
3.1.4
Asphalt Pavement situ thermal regeneration unit complex mix asphaltpavementhot-in-placerecyclingremixerunit
Or by the combined fractional Asphalt Pavement Hot Recycling asphalt reclaimer and heating machines, pavers, rollers and other equipment combination
To complete asphalt pavement in situ thermal regeneration complete unit construction.
3.2 parts
3.2.1
Add new asphalt system newasphaltmixtureaddedsystem
General mechanism for adding new devices and asphalt mixture.
3.2.2
Pavement heating system heatingsystem
Of the road surface and bodies collectively means of heating.
3.2.3
Scarifying means scarifyingunit
The heated and softened road scarifying loose material into the apparatus.
3.2.4
Sprayed asphalt recycling apparatus asphaltliquidsprayingunit
The regeneration agent emulsified asphalt or bitumen solution is sprayed into the device a predetermined desired position of the construction.
3.3 Technical Performance
3.3.1
Working width workingwidth
Reclaimer regeneration pavement width.
3.3.2
Scarifying depth scarifyingdepth
Reclaimer on the road scarifying depth.
3.3.3
Stirring capacity mixingcapacity
In unit time through the mixing system can achieve a uniform mixture state maximum quality.
3.3.4
Working speed workingspeed
Regeneration reclaimer walking speed during the construction.
3.3.5
Traveling speed travelspeed
Reclaimer walking speed during the transition.
3.3.6
Heating Fuel theoretical consumption heatingfuelconsumptioninspecified
At ambient temperature 25 ℃ ± 5 ℃, wind speed is less than under 3m/s working environment to the maximum working width of asphalt concrete pavement condition
Surface (medium-grained asphalt) heating operation, the surface temperature does not exceed 180 ℃, 40mm thick surface layer temperature of not less than 70 ℃, heating
In unit time per unit area of \u200b\u200bthe heating fuel consumption amount (volume or mass) systems.
3.3.7
Theoretical productivity theorecitalproductivity
At ambient temperature 25 ℃ ± 5 ℃, wind speed is less than 3m/s working environment, reclaimer to regenerate width 4m, depth 40mm regeneration
Under normal operating state of the asphalt concrete pavement (medium-grained asphalt) thermal recycling construction, the road to complete the regeneration unit time
Surface area.
3.3.8
Quality of work operatingmass
Reclaimer machine quality in working condition, and that the host device and the accessory device and the work specified by the manufacturer with, including a drive
Drive member (75kg), the fuel tank filled with oil, liquid system liquid is injected into the quality requirements specified by the manufacturer when.
3.3.9
The quality of transport shippingmass
Reclaimer meet the railways, highways and other transportation requirements with the state or quality. That host, fuel tank fill 10% of the volume of fuel,
Other liquid is injected into the liquid system requirements specified by the manufacturer, not including the driver, according to the manufacturer's specifications or may not include work wear
Mass calculated position, attachment, cab, awning, ROPS, FOPS, wheels and the ballast and the like.
4 Types and main parameters
Type 4.1
It can be divided into the following types.
--- By mode of operation is divided into.
● combined;
● Step by Step;
● other ways.
--- Press heating is divided into.
● hot air circulation;
● infrared type;
● infrared and hot air, and by the formula;
● microwave type;
● other ways.
--- Divided by way of walking.
● self-propelled;
● trailer;
● other ways.
4.2 Main parameters
Main parameters reclaimer is working width in millimeters (mm).
5 Technical requirements
5.1 Basic requirements
5.1.1 welded structure shall comply with the technical requirements of JB/T 5943's.
5.1.2 Assembly should be consistent with JB/T 5945 requirements of. Fastener tightening torque compliance, there should be no loosening.
5.1.3 repair and replacement of wearing parts shall comply with the minimum size of the inlet GB/T 17299 of.
5.1.4 Ambient temperature normal work of 15 ℃ ~ 40 ℃.
5.1.5 various instruments, signs, markings should be eye-catching, clear, easy to observe. Manipulate symbols should be consistent with GB/T 8593.1 and GB/T 8593.2
Provisions.
1) infrared generating material should be fixed, reliable, easy to replace;
2) burner should be consistent with the requirements of GB 16914.
5.4.5 by the feeding system
By feeding system requirements are as follows.
a) shall have a reasonable tipper supporting docking device;
b) the ability of the material should match the capacity of the complex mix stirring machine;
c) should be suitable for dump truck unloading hopper height, front hopper floor level should be less than 600mm.
5.4.6 Add new asphalt system
Add new asphalt system requirements are as follows.
a) asphalt transportation capacity delivery device should be re-mixing machine maximum capacity match;
b) asphalt delivery device operating speed should be adjusted, compared with the design value of permissible error shall not exceed ± 3%.
5.4.7 regenerated catalyst spray system
5.4.7.1 regenerant tank requirements are as follows.
Tank volume a) of regenerated catalyst should meet the design requirements;
b) regenerant tank should be level display device;
c) regenerant tank should have a heating function and is capable of heating temperature regenerated catalyst for automatic control, when the regenerated catalyst temperature reaches the set
Value, should be able to automatically stop or start the heating means;
d) shall be provided with a temperature display and automatic protection device.
5.4.7.2 regenerant sprinkler requirements are as follows.
a) shall be provided with a temperature display device, the spray device and metering control means;
b) regenerating agent should accurately control the amount of spray, and to travel with the speed of the device, and the change in the depth regeneration reproduction width is automatically adjusted;
c) regeneration sprayed should be uniform, there should be no blockage and stop the phenomenon during continuous spraying;
d) should be sprayed line cleaning apparatus;
e) should have a shut-off nozzle means, flexible and reliable switch, no drip.
5.4.8 bitumen spray system
5.4.8.1 asphalt storage tank requirements are as follows.
a) bitumen tank capacity should meet the design requirements.
b) bitumen tank should have insulation properties, the tank filled with asphalt in the asphalt initial temperature of 160 ℃, ambient temperature of 20 ℃ 5 ℃, quiet
Rear 8h, asphalt temperature drop should not exceed 30 ℃;
c) due to asphalt heating tank means and is capable of heating asphalt tank automatic temperature control, when the asphalt temperature reaches the set
Value, should be able to automatically stop or start the heating means;
d) bitumen tank level indicators should be;
e) shall be provided with a temperature display and automatic protection device.
5.4.8.2 Asphalt sprinkler requirements are as follows.
a) shall be provided with a temperature display device, the spray device and metering control means;
b) the amount of bitumen spray should be accurately controlled, and the device can travel with the speed of change in the depth regeneration and regeneration width is automatically adjusted;
c) heating and sprinkler piping should have insulation measures;
d) bitumen spray should be uniform, there should be continuous blockage and stop the phenomenon spraying;
e) spray pipe cleaning apparatus should be;
f) should have a shut-off nozzle means, flexible and reliable switch, no drip.
5.4.9 scarifying system
Scarifying system requirements are as follows.
a) shall have rake with overload protection system, scarifying tool should be easy to replace, repair;
b) scarifying shaft speed should reach the design value, the error should not exceed ± 2%;
c) scarifying width and depth should be adjusted.
5.4.10 mixing system
Stirring rotor speed should reach the design value, the error should not exceed ± 2%.
5.4.11 paving system
Conveyor - feeding system, ironing equipment, automatic leveling system shall comply with the provisions 16277-2008 GB/T 5.2 in.
5.4.12 Brake
Brake performance should be consistent with the relevant provisions of GB/T 21152 in. By the power control of the brake should be normally closed.
5.5 safety, environmental protection requirements
5.5.1 Operation and maintenance personnel may pose a risk to electricity, heat, fire and explosion, mechanical (reciprocating rotary motion, temperature, etc.) factors should be taken
Effective and reliable protective measures.
5.5.2 The operator jobs up and down the channel and the position should be set handrails and guardrail, the pedal should be easy to clean and non-slip surface. Foot handle
And the size of the entrance channel and shall comply with the requirements of GB/T 17300 of.
5.5.3 reclaimer should be provided with effective lighting for working width, working parts work illumination at the position over the length of each shall meet
GB/T 16937 requirements.
5.5.4 In places related to personal safety and equipment safety shall be provided eye-catching signs and hazard pictorials, shall comply with the provisions of GB 20178.
5.5.5 machine outside noise should be compliance with the limits specified in GB 16710.1, specific requirements in Table 2.
Table 2 radiated noise sound power level
Engine power
kW
≥65
< 80
≥80
< 100
≥100
< 130
≥130
< 160
≥160
< 200
≥200
< 250
≥250
< 350
Sound power level
dB (A)
≤112 ≤114 ≤116 ≤118 ≤120 ≤122 ≤124
5.5.6 The operator ear noise greater than 90dB (A), the noise prevention should be the appropriate protection measures.
5.5.7 fumes should be the guide, should reduce or control the discharge of flue gas system, operation and maintenance personnel should be equipped with smoke protective equipment,
But it should not affect the sight of workers.
5.5.8 fire extinguisher requirements are as follows.
a) shall be equipped with a portable fire extinguisher of at least four on each reclaimer, pharmacy quality of each fire extinguisher shall be not less than 6kg;
b) fire extinguishers shall be suitable for extinguishing oil burners and appliances burning;
c) fire extinguishers should be placed near the driver's seat, or placed in a clearly visible and easily accessible location, and does not require the use of tools
Can be removed from the carriage;
d) the high incidence of fire extinguisher should be close to (such as power, near the fuel tank).
Automatic warning whistle apparatus 5.5.9 shall be back.
6 Test methods
6.1 Test the basic requirements
Technical Data 6.1.1 The test shall be prepared as follows.
a) product manual;
b) product standards;
c) test program;
d) in accordance with Appendix A, Appendix B production test machine performance and reliability of the test data recording table.
6.1.2 experimental prototype requirements are as follows.
a) experimental prototype should be equipped, no sludge, oil, bumps, indicator, warning signs, etc. shall be legible;
b) test prototype fuel, hydraulic oil, coolant, lubricants, and other instructions should be used according to the requirements stipulated filled to capacity;
RY RZ
· B0
(2)
Where.
Cx --- horizontal longitudinal center of gravity to the front axle distance, in millimeters (mm);
Cy --- focus frame longitudinal centerline transverse horizontal distance (right-hand dealers predetermined direction is positive, negative on the left), in millimeters
(Mm);
--- The C0 wheelbase in millimeters (mm);
The arithmetic mean of B0 --- wheelbase in millimeters (mm);
RQ --- front axle assigned mass, in kilograms (kg);
RH --- rear axle assigned mass, in kilograms (kg);
RZ --- total mass of the left tire allocated, in kilograms (kg);
The total mass RY --- right side tires allocated, in kilograms (kg).
6.2.2.4 measurement and calculation results are recorded in Table A.4.
6.3 Test travel speed
6.3.1 Test conditions.
a) The test site shall comply with 6.1.3b) requirements;
b) experimental prototype equipment by running state.
1) prototype at the maximum quality of work status;
2) working prototype device is in the fully retracted and raised to the highest position, there should be a hanging pin or hook hanging pin insertion
Well, hanging hook firmly.
6.3.2 Test equipment. speed gauge, stopwatch, steel tape measure, benchmark, wind instrument.
6.3.3 Test Method.
Reach speeds a) designate 30m test area, located at both ends of the secondary road, its length should be able to ensure that the test prototype before entering the test area
stable;
6.5.4 The test results recorded in Table A.7.
6.6 braking performance test
6.6.1 Service brake
6.6.1.1 Test conditions. with 6.4.1.
6.6.1.2 Test equipment. the same 6.3.2.
6.6.1.3 Test Method. prototype at top speed into the test area, measure the actual initial speed before braking, and then tighten according to the test signal
Emergency brake, measured from the signal to a complete stop distance traveled is issued, the calculation should not exceed the value of the braking distance of formula (3).
L =
v2
150 0.2
(V 5) (3)
Where.
L --- allowable braking distance in meters (m);
v --- brake initial speed in kilometers per hour (km/h).
6.6.1.4 The test results recorded in Table A.8.
6.6.2 ramp parking brake
6.6.2.1 Test conditions. with 6.5.1.
6.6.2.2 Test equipment. timer, steel tape, steel ruler and so on.
6.6.2.3 Test Method. prototype carried on a slope uphill, downhill parking brake, rear brake until completely turn off the engine, the transmission is in neutral
status. Observed after 10min, measured slipped away.
6.6.2.4 The test results recorded in Table A.9.
6.7 Minimum ground clearance test
6.7.1 Test conditions. with 6.4.1.
6.7.2 Test equipment. steel tape, steel ruler, benchmarking and the like.
6.7.3 Test Method.
a) determining reclaimer with minimal equipment from the site under the state;
b) measure the minimum distance from the ground to pitch.
6.7.4 The test results recorded in Table A.10.
6.8 Noise Test
6.8.1 Test conditions.
a) test site shall comply with 6.1.3e) provisions;
b) between the microphone and sound level meter prototype should someone or obstacles, obstructions near the microphone should not affect the sound field test
Inspection personnel shall not affect the sound level meter readings local observation;
c) prototype in job status, the engine throttle is the largest oil position.
6.8.2 Test Method performed in GB/T 17248.2 requirements.
6.8.3 The test results recorded in Table A.11.
6.9 Sealing performance testing
6.9.1 Test conditions.
a) prototype fuel tanks, water tanks and gas tank are mounted to the effective volume of the two-thirds;
b) hydraulic tank charged with a predetermined amount of hydraulic oil;
twenty one
c) experimental prototype leakage may occur prior to the test site should be wiped clean.
6.9.2 Test Method.
After a) experimental prototype continuous 1.5h, stop immediately detected;
b) under the possible leakage area of \u200b\u200bthe pad of paper, in order to observe;
c) After stopping to check oil leakage within 10min case, if drops of oil or traces of oil leaking area of \u200b\u200bmore than 200cm2, it is determined
Oil spills, leaking traces of oil if the area does not exceed 200cm2, or only traces of oil appear is determined that oil leakage;
d) After stopping to check water leakage within 5min case, if water droplets dripping or seeping water soaked area of \u200b\u200bmore than 200cm2, it is determined
It is leaking, leaking water if wet area of \u200b\u200bnot more than 200cm2, or only soaked in water phenomenon is determined that water seepage;
e) Gas cylinders, pneumatic components, various pipes, fittings, plugs and other parts of air tightness test liquid coating method, the test pressure is not lower than the tank
Work pressure, dwell time of not less than 5min, bubbles escape or back pressure drop phenomenon is the leak.
6.9.3 The test results recorded in Table A.12.
6.10 Hydraulic Oil Pollution solid oil cleanliness test and measurement
6.10.1 Test conditions. immediately after the test in a prototype continuous 1.5h.
6.10.2 Test equipment.
a) by JG T 5089 and JG/T predetermined solid hydraulic oil contamination cleanliness testing equipment/5090;
b) a timer, a thermometer or other temperature instruments.
6.10.3 Test method.
a) according to the provisions of JG/T 5090 sampling of hydraulic oil;
b) according to the provisions of JG/T 5089 were tested;
c) according to the provisions of JG/T 5035 to determine the hydraulic fluid cleanliness class solid pollution;
d) measuring the temperature of the hydraulic oil temperature with a thermometer or other instruments.
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