CN106840943A - A kind of device and test method for detecting construction refuse regenerated aggregate water absorption character - Google Patents

A kind of device and test method for detecting construction refuse regenerated aggregate water absorption character Download PDF

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Publication number
CN106840943A
CN106840943A CN201610735255.1A CN201610735255A CN106840943A CN 106840943 A CN106840943 A CN 106840943A CN 201610735255 A CN201610735255 A CN 201610735255A CN 106840943 A CN106840943 A CN 106840943A
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China
Prior art keywords
water absorption
aggregate
construction refuse
screen cloth
refuse regenerated
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CN201610735255.1A
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CN106840943B (en
Inventor
郭磊
陈守开
汪伦焰
王浩
常承艳
薛志龙
王军
杨晴
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Henan Water Conservancy Investment Group Co ltd
North China University of Water Resources and Electric Power
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Zhengzhou Seth Industrial Technology Research Institute Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • G01N5/02Analysing 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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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Processing Of Solid Wastes (AREA)

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 tank and screen cloth in described suction zones;Described air drying area mainly has blower fan and infiltration net;Described Weighing Area is mainly electronic balance.Test method is:The screen cloth that will be equipped with aggregate is dipped in tank, records the time;After 1min, lift screen cloth, and rotate annular steel pipe rapidly, screen cloth is gone to blower fan mouthful, shake screen cloth, after aggregate is dry, scales/electronic balance weighing calculates aggregate 1min water suction percentages;By above-mentioned steps cyclic test, add up aggregate soaking time, until measuring aggregate maximum water absorption rate, draw water absorption character curve according to test data and analyze, 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 process of the test.

Description

A kind of device and test method for detecting construction refuse regenerated aggregate water absorption character
Technical field
The invention belongs to building waste resource regeneration field of engineering technology, more particularly to a kind of detection building waste is again The device of raw aggregate water absorption character and be test method.
Background technology
The aggregate referred to as construction refuse regenerated aggregate that building waste is produced by operations such as broken, air blast, sieve wind, building There are a large amount of microcracks in garbage regeneration aggregate, mortar and cement mortar are included in particle in shattering process.
Compared with natural aggregate, construction refuse regenerated aggregate has porosity high, and water imbibition is big and the low performance of intensity.Inhale Aqueous height is one of key factor of influence regeneration concrete performance.Under different gradation interval, different material sources, different tests environment Aggregate water absorption character differ greatly, efficient method of testing and experimental rig are lacked at present.Construction refuse regenerated aggregate absorbs water The measure Main Basiss of rate experiment《Cobble for building, rubble》(GB/T14685-2011), the specification be only capable of test aggregate water suction Rate, lacks the test to construction refuse regenerated aggregate water absorption character and analysis method.
The invention provides it is a kind of detect construction refuse regenerated aggregate water absorption character device and test method, the device and It is bent with the relation of absorbent time that test method can simply and quickly calculate construction refuse regenerated aggregate water suction mass percent Line, realizes the streamlined operation of process of the test.
The content of the invention
To solve the above problems and purpose, inhaled the invention provides the simple and effective detection construction refuse regenerated aggregate of one kind The device and test method of water characteristic.
A kind of device for 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, it is characterized in that:Described suction zones component mainly has arc tank and screen cloth, and screen cloth surrounding is tied up with cord It is fixed, hang on annular steel pipe lower section;Described air drying area main member has blower fan and infiltration net, blower fan one end open, an end seal Close;Described infiltration net is arcuate structure, and bottom can connect with tank;Described Weighing Area capital equipment has electronic balance;Institute The load-carrying members of the detection means stated are portable round platform bases;Described round platform base center and annular steel pipe center connecting rod Connection, annular steel pipe is fulcrum horizontal rotation with fixing nut under external force, and fixing nut is cased with rod member to prevent ring Shape steel pipe glides along bar wall;Described round platform base bottom is equipped with three universal wheels.
Further, described tank is highly 10 ~ 20cm.
Further, the described screen cloth diameter d=30cm, mesh size d that hold raw material=0.075mm, quantity 3.
Further, described power of fan is 1.5 ~ 2.0KW/380V, exhaust outlet mouthful 40 ~ 50cm of slot length, height 10 ~ 20cm。
Further, described arc infiltration net is woven into by metal steel wire.
Further, described electronic balance 5 ~ 10kg of range, precision 0.01g, quantity 3.
Further, described round platform base radius is 90cm, thickness 5cm, load-bearing limit>100kg.
Further, described connection pole length 1.0m ~ 1.2m, nut center is with round platform base center away from 60cm.
Further, described buckle annular steel pipe radius R=50cm, hook number 3-5.
Further, described universal wheel uses metal alloy.
A kind of method for detecting construction refuse regenerated aggregate water absorption character, it is characterized in that:3 screen clothes equipped with aggregate are same When be immersed in tank, and start timing, record aggregate soak time;After immersion 1min, screen cloth is lifted rapidly, under external force effect It is rapid to rotate annular steel pipe, screen cloth is gone to the blower fan under working condition mouthful, handshaking screen cloth is used, after aggregate face is dry, continue Annular steel is rotated, the screen cloth that will fill aggregate is placed in electronic balance, according to formula after weighing=Calculate building Garbage regeneration aggregate 1min water suction mass percents, wherein:Represent water suction mass percent, %;Represent that aggregate water suction is full Quality with after, g;Represent the quality under aggregate drying regime, g;By above-mentioned steps, cyclic test, when adding up aggregate immersion Between, until aggregate maximum water absorption rate is measured, wherein it is small to meet continuous two groups of mass percent measured values during determination maximum water absorption rate In the 0.5% of minimum value;According to test data, draw water absorption character curve and analyze, it was therefore concluded that.
Beneficial effect
The invention provides a kind of device for detecting construction refuse regenerated aggregate water absorption character and test method, the device and experiment 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 process of the test.
The device can survey the construction refuse regenerated aggregate water absorption characters such as different gradation, different material sources, can either provide same Condition test Comparative result, its charge cask 0.075mm screen clothes can also remove influence of the impurity such as micro mist to testing;Fixed Device and rotating member can realize the reciprocation cycle of sample, reduce each test procedure time interval, save material source and improve Test accuracy.Portable round platform base, can make experimental rig according to different test sites and experimental enviroment demand, carry out entirety It is mobile.
Brief description of the drawings
The present invention is further described with reference to the accompanying 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;2nd, air drying area;3rd, Weighing Area;4th, Material Staging Area;5th, operating room;6th, Accessorial Tools Storage;
7th, tank;8th, screen cloth;9th, annular steel pipe;10th, air blower;11st, seep water net;12nd, electronic balance.
Specific embodiment
Embodiment 1
With reference to Fig. 1, shown in 2, a kind of device for detecting construction refuse regenerated aggregate water absorption character is broadly divided into 4 regions, absorbs water Area(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 water Groove(7)And screen cloth(8), tank(7)Highly it is 10 ~ 20cm, screen cloth(8)Surrounding is bound with cord, hangs on annular steel pipe(9)Under Side, holds the screen cloth of raw material(8)Diameter d=30cm, screen cloth(8)Aperture d=0.075mm, quantity 3;Described air drying area(2) Main member has blower fan(10)And infiltration net(11), blower fan(10)One end open, one end closing, blower fan(10)Power be 1.5 ~ 2.0KW/380V, exhaust outlet mouthful 40 ~ 50cm of slot length, 10 ~ 20cm of height;Described infiltration net(11)It is arcuate structure, arc Infiltration net(11)It is woven into by metal steel wire, bottom can be with tank(7)Connection;Described Weighing Area(3)Capital equipment has electronics Balance(12), electronic balance(12)5 ~ 10kg of range, precision 0.01g, quantity 3;The load-carrying members of described detection means are Portable round platform base;Described round platform base center and annular steel pipe(9)Center connecting rod connection, connection pole length 1.0m ~ 1.2m, nut center is 60cm with round platform base center distance, under external force annular steel pipe(9)It is with fixing nut Fulcrum is horizontally rotated, and fixing nut is cased with rod member to prevent annular steel pipe(9)Glided along bar wall, buckle annular steel pipe(9)Half Footpath R=50cm, hook number 3-5;Described round platform base bottom is equipped with three universal wheels, and round platform base radius is 90cm, thick Degree 5cm, load-bearing limit>100kg, described universal wheel uses metal alloy.
Embodiment 2
A kind of method for detecting construction refuse regenerated aggregate water absorption character, it is characterized in that:By 3 screen clothes equipped with aggregate(8)Together When be immersed in tank(7)In, and start timing, that is, record the time that aggregate is soaked in water;After immersion 1min, sieve is lifted rapidly Net(8), the lower rapid annular steel pipe of rotation of external force effect(9), make screen cloth(8)Blower fan under working condition mouthful is gone to, with handshaking Screen cloth(8), after aggregate face is dry, it is rotated further annular steel(9), the screen cloth of aggregate will be filled(8)It is placed in electronic balance(12), claim According to formula after weight=Construction refuse regenerated aggregate 1min water suction mass percents are calculated, wherein:Represent Water suction mass percent, %;Represent the quality after aggregate water suction saturation, g;The quality under aggregate drying regime is represented, g;By above-mentioned steps, cyclic test adds up aggregate soaking time, until aggregate maximum water absorption rate is measured, wherein determining maximum suction Continuous two groups of mass percent measured values are met during water rate less than the 0.5% of minimum value;According to test data, water absorption character is drawn Curve is simultaneously analyzed, it was therefore concluded that.
The interval same material source water absorption character test group of the different gradation of table 1
Material source Level is matched somebody with somebody Quality
It is identical 0~5mm 2kg
It is identical 5~19.5mm 2kg
It is identical 19.5~31.5mm 2kg
The construction refuse regenerated aggregate water absorption character test group of the different material sources of table 2
Material source Level is matched somebody with somebody Quality
100% common brick 5~31.5mm 2kg
100% grey brick 5~31.5mm 2kg
The grey brick of 50% common brick 50% 5~31.5mm 2kg
The grey brick of 30% common brick 70% 5~31.5mm 2kg
The 30% grey common brick of brick 70% 5~31.5mm 2kg

Claims (10)

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:Described suction zones component mainly has arc tank and screen cloth, and screen cloth surrounding is tied up with cord It is fixed, hang on annular steel pipe lower section;Described air drying area main member has blower fan and infiltration net, blower fan one end open, an end seal Close;Described infiltration net is arcuate structure, and bottom connects with tank;Described Weighing Area capital equipment has electronic balance;It is described The load-carrying members of detection means be portable round platform base;Described round platform base center connects with annular steel pipe center connecting rod Connect, annular steel pipe is horizontally rotated by fulcrum of fixing nut under external force, and fixing nut is cased with rod member to prevent annular Steel pipe glides along bar wall;Described round platform base bottom is equipped with three universal wheels, and universal wheel uses metal alloy.
2. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described Tank highly be 10 ~ 20cm.
3. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described The screen cloth diameter d=30cm, mesh size d that hold raw material=0.075mm, quantity 3.
4. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described Power of fan be 1.5 ~ 2.0KW/380V, exhaust outlet mouthful 40 ~ 50cm of slot length, 10 ~ 20cm of height.
5. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described Arc infiltration net be woven into by metal steel wire.
6. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described Electronic balance 5 ~ 10kg of range, precision 0.01g, quantity 3.
7. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described Round platform base radius be 90cm, thickness 5cm, load-bearing limit>100kg.
8. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described Connection pole length 1.0m ~ 1.2m, nut center and round platform base center distance are 60cm.
9. it is according to claim 1 it is a kind of detect construction refuse regenerated aggregate water absorption character device, it is characterized in that:It is described Buckle annular steel pipe radius R=50cm, hook number 3-5.
10. it is a kind of detect construction refuse regenerated aggregate water absorption character method, it is characterized in that:3 screen clothes equipped with aggregate are same When be immersed in tank, and start timing, that is, record the time that aggregate is soaked in water;After immersion 1min, screen cloth is lifted rapidly, The lower rapid annular steel pipe of rotation of external force effect, makes screen cloth go to the blower fan under working condition mouthful, uses handshaking screen cloth, treats aggregate face After dry, annular steel is rotated further, the screen cloth that will fill aggregate is placed in electronic balance, according to formula after weighing=Meter Construction refuse regenerated aggregate 1min water suction mass percents are calculated, wherein,Represent water suction mass percent, %;Represent bone Quality after material water suction saturation, g;Represent the quality under aggregate drying regime, g;By above-mentioned steps, cyclic test adds up bone Material soaking time, until aggregate maximum water absorption rate is measured, wherein determining to meet continuous two groups of mass percents during maximum water absorption rate 0.5% of measured value less than minimum value;According to test data, draw water absorption character curve and analyze, it was therefore concluded that.
CN201610735255.1A 2016-08-28 2016-08-28 A kind of device and test method detecting construction refuse regenerated aggregate water absorption character Expired - Fee Related CN106840943B (en)

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Cited By (5)

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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
CN107721226A (en) * 2017-11-20 2018-02-23 华北水利水电大学 It is a kind of to be prewetted duration control method rich in brick regenerated coarse aggregate
CN110108119A (en) * 2019-05-21 2019-08-09 河海大学 Use for laboratory aggregate drying system
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
CN114486611A (en) * 2021-12-28 2022-05-13 安徽伊法拉电气股份有限公司 Water absorption rate testing device for capacitor insulation protective sleeve

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Cited By (7)

* Cited by examiner, † Cited by third party
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
CN107721226A (en) * 2017-11-20 2018-02-23 华北水利水电大学 It is a kind of to be prewetted duration control method rich in brick regenerated coarse aggregate
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
CN110108119A (en) * 2019-05-21 2019-08-09 河海大学 Use for laboratory aggregate drying system
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
CN114486611A (en) * 2021-12-28 2022-05-13 安徽伊法拉电气股份有限公司 Water absorption rate testing device for capacitor insulation protective sleeve

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