CN106840943B - A kind of device and test method detecting construction refuse regenerated aggregate water absorption character - Google Patents
A kind of device and test method detecting construction refuse regenerated aggregate water absorption character Download PDFInfo
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- CN106840943B CN106840943B CN201610735255.1A CN201610735255A CN106840943B CN 106840943 B CN106840943 B CN 106840943B CN 201610735255 A CN201610735255 A CN 201610735255A CN 106840943 B CN106840943 B CN 106840943B
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- aggregate
- water absorption
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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Abstract
The present invention discloses a kind of device and test method for detecting construction refuse regenerated aggregate water absorption character, and experimental provision mainly includes suction zones, air drying area, Weighing Area and Material Staging Area, and mainly there are arc sink and sieve in the suction zones；The air drying area mainly has blower and infiltration net；The Weighing Area is mainly electronic balance.Test method is: the sieve equipped with aggregate being dipped in sink, records the time；After 1min, lift sieve, and rotate annular steel pipe rapidly, so that sieve is gone to blower mouth, shake sieve, after aggregate is dry, electronic balance weighing calculates aggregate 1min water suction percentage；By above-mentioned steps cyclic test, add up aggregate soaking time, until measuring aggregate maximum water absorption rate, drawing water absorption character curve according to test data and analyzing, it was therefore concluded that.The device and test method can simply and quickly calculate the relation curve of construction refuse regenerated aggregate water suction mass percent and absorbent time, realize the streamlined operation of test process.
Description
Technical field
The invention belongs to building waste resource regeneration field of engineering technology more particularly to a kind of detection building wastes again
The device and test method of raw aggregate water absorption character
Background technique
Building waste is known as construction refuse regenerated aggregate by the aggregate that the processes such as broken, air blast, sieve wind are produced, and builds
Garbage regeneration aggregate includes mortar and cement slurry in particle there are a large amount of microcracks in shattering process.
Compared with natural aggregate, the performances such as construction refuse regenerated aggregate has porosity high, and water imbibition is big and intensity is low.It inhales
One of an important factor for aqueous height is influence regeneration concrete performance.Under different gradation section, different material sources, different tests environment
Aggregate water absorption character differ greatly, lack efficient test method and experimental rig at present.Construction refuse regenerated aggregate water suction
Mainly according to " for building cobble, rubble " (GB/T14685-2011), which is only capable of test aggregate water suction for the measurement of rate test
Rate lacks test and analysis method to construction refuse regenerated aggregate water absorption character.
The present invention provides it is a kind of detect construction refuse regenerated aggregate water absorption character device and test method, the device and
Test method can simply and quickly calculate construction refuse regenerated aggregate water suction mass percent and the relationship of absorbent time is bent
Line realizes the streamlined operation of test process.
Summary of the invention
In order to solve the above problem with purpose, the present invention provides a kind of simply and effectively detection construction refuse regenerated aggregates to inhale
The device and test method of water characteristic.
A kind of device detecting construction refuse regenerated aggregate water absorption character, is broadly divided into 4 regions, suction zones, air drying area,
Weighing Area and Material Staging Area, the suction zones component mainly have arc sink and sieve, and sieve surrounding is bound with cord, hung on
Below annular steel pipe；The air drying area main member has blower and infiltration net, and blower is open at one end, closed at one end；Described
The net that seeps water is arcuate structure, and bottom can be connected to sink；The Weighing Area capital equipment has electronic balance；The detection dress
The load-carrying members set are mobile rotary table pedestals；The rotary table base center is connect with ring steel tube hub connecting rod, outside
The lower annular steel pipe of power effect is rotated horizontally by fulcrum of fixture nut, is cased with fixture nut on rod piece to prevent ring steel pipe along bar
Wall glides；There are three universal wheels for the rotary table pedestal lower part dress.
Further, the sink height is 10 ~ 20cm.
Further, described sieve diameter d=30cm, mesh size d '=0.075mm, quantity 3.
Further, the power of fan be 1.5 ~ 2.0KW/380V, exhaust outlet mouth 40 ~ 50cm of slot length, height 10 ~
20cm。
Further, the infiltration net is woven by metal steel wire.
Further, described electronic balance 5 ~ 10kg of range, precision 0.01g, quantity 3.
Further, the rotary table pedestal radius is 90cm, thickness 5cm, load-bearing limit > 100kg.
Further, the connection pole length 1.0m ~ 1.2m, at nut center at rotary table base center away from 60cm.
Further, buckle annular steel pipe radius R=50cm, hook number 3-5.
Further, the universal wheel uses metal alloy.
A method of detection construction refuse regenerated aggregate water absorption character, it is characterized in that: 3 sieves equipped with aggregate are same
When be immersed in sink, and start timing, record aggregate soaking time；It soaks after 1min, lifts sieve rapidly, under external force
Annular steel pipe is rotated rapidly, and the blower mouth for going to sieve under working condition is continued after aggregate face is dry with handshaking sieve
Ring steel is rotated, the sieve for filling aggregate is placed in electronic balance, according to formula after weighingCalculate building
Garbage regeneration aggregate 1min water suction mass percent, in which:Indicate water suction mass percent, %；Indicate that aggregate water suction is full
Quality with after, g；Indicate the quality under aggregate drying regime, g；By above-mentioned steps, cyclic test, when adding up aggregate immersion
Between, until measuring aggregate maximum water absorption rate, it is small to meet continuous two groups of mass percent measured values when wherein determining maximum water absorption rate
In the 0.5% of minimum value；According to test data, draws water absorption character curve and analyzes, it was therefore concluded that.
Beneficial effect
The present invention provides it is a kind of detect construction refuse regenerated aggregate water absorption character device and test method, the device and
Test method can simply and quickly calculate construction refuse regenerated aggregate water suction mass percent and the relationship of absorbent time is bent
Line realizes the streamlined operation of test process.
The device can survey the construction refuse regenerated aggregates water absorption characters such as different gradation, different material sources, can either provide same
Condition test Comparative result, charge cask 0.075mm sieve can also remove influence of the impurity such as micro mist to test；Fixed
The reciprocation cycle of sample may be implemented in device and rotating member, reduces each test procedure time interval, saves material source and improves
Test accuracy.Mobile rotary table pedestal can make experimental rig according to different test sites and experimental enviroment demand, carry out whole
It is mobile.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the experimental rig block plan for detecting construction refuse regenerated aggregate water absorption character；
Fig. 2 is the detailed component diagram of experimental rig for detecting construction refuse regenerated aggregate water absorption character.
Wherein, 1, suction zones；2, air drying area；3, Weighing Area；4, Material Staging Area；5, operating room；6, Accessorial Tools Storage；
7, sink；8, sieve；9, annular steel pipe；10, air blower；11, seep water net；12, electronic balance.
Specific embodiment
Embodiment 1
In conjunction with Fig. 1, shown in 2, a kind of device detecting construction refuse regenerated aggregate water absorption character is broadly divided into 4 regions,
Suction zones (1), air drying area (2), Weighing Area (3) and Material Staging Area (4), it is characterized in that: described suction zones (1) component mainly has arc
Shape sink (7) and sieve (8), sink (7) are highly 10 ~ 20cm, and sieve (8) surrounding is bound with cord, hang on annular steel pipe
(9) lower section, holds sieve (8) diameter d=30cm of raw material, sieve (8) aperture d '=0.075mm, and quantity 3；Described air-dries
Area (2) main member has blower (10) and infiltration net (11), and blower (10) is open at one end, and closed at one end, blower (10) power is
1.5 ~ 2.0KW/380V, exhaust outlet mouth 40 ~ 50cm of slot length, 10 ~ 20cm of height；The infiltration net (11) is arcuate structure,
Arc infiltration net (11) is woven by metal steel wire, and bottom can be connected to sink (7)；Described Weighing Area (3) capital equipment has
Electronic balance (12), electronic balance (12) 5 ~ 10kg of range, precision 0.01g, quantity 3；The load-bearing knot of the detection device
Structure is mobile rotary table pedestal；The rotary table base center is connect with annular steel pipe (9) center connecting rod, connects pole length
1.0m ~ 1.2m with distance at rotary table base center is 60cm at nut center, and annular steel pipe (9) is under external force with fixation
Nut is fulcrum horizontal rotation, is cased with fixture nut on rod piece to prevent ring steel pipe (9) along the downslide of bar wall, buckle annular steel pipe
(9) radius R=50cm, hook number 3-5；There are three universal wheel, rotary table pedestal radius is the rotary table pedestal lower part dress
90cm, thickness 5cm, load-bearing limit > 100kg, the universal wheel use metal alloy.
Embodiment 2
A method of detection construction refuse regenerated aggregate water absorption character immerses 3 sieves (8) equipped with aggregate simultaneously
In sink (7), and start timing, i.e. record aggregate is soaked in the time in water；It soaks after 1min, lifts sieve (8) rapidly,
Annular steel pipe (9) is rotated under external force rapidly, so that sieve (8) is gone to the blower mouth under working condition, with handshaking sieve
(8), after aggregate face is dry, ring steel (9) is continued to rotate, the sieve (8) for filling aggregate are placed in electronic balance (12), after weighing
According to formulaCalculate construction refuse regenerated aggregate 1min water suction mass percent, in which:Indicate water suction
Mass percent, %；Quality after indicating aggregate water suction saturation, g；Indicate the quality under aggregate drying regime, g；By upper
Step is stated, cyclic test adds up aggregate soaking time, until aggregate maximum water absorption rate is measured, wherein when determining maximum water absorption rate
Meet continuous two groups of mass percent measured values are less than minimum value 0.5%；According to test data, water absorption character curve is drawn simultaneously
Analysis, it was therefore concluded that.
The same material source water absorption character test group in 1 different gradation section of table
The construction refuse regenerated aggregate water absorption character test group of the different material sources of table 2
。
Claims (8)
1. a kind of device for detecting construction refuse regenerated aggregate water absorption character, is broadly divided into 4 regions, suction zones, air drying area, title
Weight area and Material Staging Area, it is characterized in that: the suction zones component mainly has arc sink and a sieve, and sink height be 10 ~
20cm, sieve diameter d=30cm, mesh size d '=0.075mm, quantity 3, sieve surrounding is bound with cord, hangs on annular
Below steel pipe；The air drying area main member has blower and infiltration net, and blower is open at one end, closed at one end；The infiltration
Net is arcuate structure, and bottom is connected to sink；The Weighing Area capital equipment has electronic balance；The detection device is held
Weight structure is mobile rotary table pedestal；The rotary table base center is connect with ring steel tube hub connecting rod, in external force
Lower annular steel pipe is rotated horizontally by fulcrum of fixture nut, is cased with fixture nut on rod piece to prevent ring steel pipe under bar wall
It is sliding；For the rotary table pedestal lower part dress there are three universal wheel, universal wheel uses metal alloy.
2. a kind of device for detecting construction refuse regenerated aggregate water absorption character according to claim 1, it is characterized in that: described
Power of fan be 1.5 ~ 2.0KW/380V, exhaust outlet mouth 40 ~ 50cm of slot length, height 10 ~ 20cm.
3. a kind of device for detecting construction refuse regenerated aggregate water absorption character according to claim 1, it is characterized in that: described
Infiltration net be woven by metal steel wire.
4. a kind of device for detecting construction refuse regenerated aggregate water absorption character according to claim 1, it is characterized in that: described
Electronic balance 5 ~ 10kg of range, precision 0.01g, quantity 3.
5. a kind of device for detecting construction refuse regenerated aggregate water absorption character according to claim 1, it is characterized in that: described
Rotary table pedestal radius be 90cm, thickness 5cm, load-bearing limit > 100kg.
6. a kind of device for detecting construction refuse regenerated aggregate water absorption character according to claim 1, it is characterized in that: described
Connection pole length 1.0m ~ 1.2m, with distance at rotary table base center be 60cm at nut center.
7. a kind of device for detecting construction refuse regenerated aggregate water absorption character according to claim 1, it is characterized in that: described
Annular steel pipe radius R=50cm, hook number 3-5.
8. a kind of examination of the device using detection construction refuse regenerated aggregate water absorption character as claimed in any one of claims 1 to 7
Proved recipe method it is characterized in that: 3 sieves equipped with aggregate are immersed in sink simultaneously, and starts timing, i.e. record aggregate impregnates
The time of Yu Shuizhong；It soaks after 1min, lifts sieve rapidly, rotate annular steel pipe rapidly under external force, sieve is made to go to work
Make the blower mouth under state, is continued to rotate annular steel pipe after aggregate face is dry with handshaking sieve, the sieve of aggregate will be filled
It is placed in electronic balance, according to formula after weighingCalculate construction refuse regenerated aggregate 1min water suction quality hundred
Divide ratio,WIndicate water suction mass percent, %；m It is wetQuality after indicating aggregate water suction saturation, g；m It is dryIt indicates under aggregate drying regime
Quality, g；By above-mentioned steps, cyclic test adds up aggregate soaking time, until aggregate maximum water absorption rate is measured, wherein determining
Meet continuous two groups of mass percent measured values are less than minimum value 0.5% when maximum water absorption rate；According to test data, draws and inhale
Water characteristic curve is simultaneously analyzed, it was therefore concluded that.
Priority Applications (1)
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| CN201610735255.1A CN106840943B (en) | 2016-08-28 | 2016-08-28 | A kind of device and test method detecting construction refuse regenerated aggregate water absorption character |
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| CN201610735255.1A CN106840943B (en) | 2016-08-28 | 2016-08-28 | A kind of device and test method detecting construction refuse regenerated aggregate water absorption character |
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| CN106840943A CN106840943A (en) | 2017-06-13 |
| CN106840943B true CN106840943B (en) | 2019-05-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656038A (en) * | 2017-10-27 | 2018-02-02 | 天津建仪机械设备检测有限公司 | High sealing water absorption rate detection means |
| CN107721226B (en) * | 2017-11-20 | 2020-05-26 | 华北水利水电大学 | Pre-wetting time control method for brick-rich recycled coarse aggregate |
| CN110108119B (en) * | 2019-05-21 | 2020-10-16 | 河海大学 | Aggregate drying system for laboratory |
| CN111351730A (en) * | 2020-03-18 | 2020-06-30 | 扬州市职业大学(扬州市广播电视大学) | Device and method for measuring water absorption of recycled coarse aggregate for concrete |
| CN114486611B (en) * | 2021-12-28 | 2023-07-28 | 安徽伊法拉电气股份有限公司 | Water absorption testing device for capacitor insulation protective sleeve |
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| US5970783A (en) * | 1998-02-19 | 1999-10-26 | Weyerhaeuser Company | Pulp chip fissure test device and method for estimating screened pulp yield |
| CN2570770Y (en) * | 2002-07-31 | 2003-09-03 | 任若明 | Fast moisture tester |
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Effective date of registration: 20180117 Address after: 450000 Zhengzhou Jinshui District, Henan, North Ring Road, No. 36 Applicant after: NORTH CHINA University OF WATER RESOURCES AND ELECTRIC POWER Applicant after: HENAN WATER CONSERVANCY INVESTMENT GROUP Co.,Ltd. Address before: 450000 Zhongmu County, Zhengzhou Province, South Road, building Industrial Park Administrative Committee Applicant before: ZHENGZHOU SAISI INDUSTRIAL TECHNOLOGY TRANSFORMATION RESEARCH INSTITUTE CO.,LTD. |
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