CN101514951A - Permeability coefficient detector of water permeable brick and detecting method thereof - Google Patents
Permeability coefficient detector of water permeable brick and detecting method thereof Download PDFInfo
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Abstract
The present invention provides a permeability coefficient detector of water permeable brick and a detecting method thereof. The invention belongs to the technical field of building material. The invention is characterized in that the permeability coefficient detector is composed of a spill barrel, a spill trough, a water containing tank, a circulating water pump, a valve, a sample and a water guiding ring. The spill trough is placed in the water containing tank. The spill barrel is installed in the spill trough. The circulating water pump is installed at the base of water containing tank. A circulating pipe is installed between the circulating water pump and the spill barrel. A temperature controller and a measuring glass are installed in the water containing tank. A spill opening with a funnel shape is installed on the spill trough. A measuring glass is installed below the spill opening of spill trough. The valve is installed on the circulating pipe. The permeability coefficient detector of water permeable brick of the invention can fully use the prior vacuum extractor and recycles the non-gas water for effectively reducing the checking cost. The using of water guiding ring can ensure the furthest approaching of water permeable area of upper surface of sample to the area of upper surface of sample for increasing the detecting precision.
Description
Technical field:
The present invention relates to a kind of permeable brick coefficient of permeability detector and detection method, it belongs to building material technical field, particularly the detection technique of building materials.
Background technology:
In urban construction, extensively adopt pervious surface and porous pavement, it is underground that rainwater is bled back, and reduced runoff, just can alleviate the city flood damage and threaten, and underground water is covered, and water environment is improved, and ecologic environment is repaired.We can say that wideling popularize pervious surface and porous pavement is one of important measures of city water resource sustainable use.
" coefficient of permeability " is an important indicator of pervious surface and porous pavement pavement material.People's Republic of China's industry standard (JC/T945-2005) has clearly been stipulated the coefficient of permeability index and the detection method of permeable brick, and this method has provided synoptic diagram to the coefficient of permeability test unit.But do not have the supply of corresponding coefficient of permeability pick-up unit on the market.Application number is 200620175336.2 patent " the permeable bulk coefficient of permeability of vacuum detector ", disclose a kind of design proposal of coefficient of permeability pick-up unit, its principal character is that this detector is made up of permeable bulk die trial, sealing shroud, overflow vacuum plant and permeable cylinder.At above-mentioned standard, above-mentioned patent has been pointed out 4 technical matterss, and has proposed solution.Point out in the above-mentioned patent document that first problem that standard exists is: adopt paraffin immersion process seal sample, paraffin can immerse sample inside, blocks water-permeable passage, influences measurement result, this problem really.But it is not a good solution that this patent adopts special-purpose rubber sleeve to replace paraffin.Because the height of every Lot sample has nothing in common with each other, do the rubber sleeve of a lot of different sizes at the sample of differing heights, increased cost greatly; Point out in the above-mentioned patent document that second problem that standard exists is: the operation of taking out again after sample soaks under vacuum environment can make the water that has entered in the sample space flow out, and can influence measurement result.This in fact worry is unnecessary.We think that the method for standard code its objective is in order to make in the sample internal voids soaks into, and after the water in sample flowed out, inside also presented wet face state, does not influence the immersion effect; Point out in the above-mentioned patent document that the 3rd problem that standard exists is: it is big to read the water-head error with Steel Ruler.And this patent reads by the scale mark on the transparent cylinder, and actual error is equally big, does not solve essential problem, has increased the difficulty of magnitude tracing on the contrary; Point out in the above-mentioned patent document that the 4th problem that standard exists is: the air free water (mistake is written as vacuum water in the patent specification) that soaked sample under vacuum environment needs to change, and causes the waste of air free water.And the problem that the air free water that in fact proposes to soak sample in the standard must be changed when soaking next sample.A lot of laboratories all possess and are used for the vacuum plant that the ceramic tile moisture content test is used, and this device is fit to be used for making air free water and soak sample very much, need not purchase vacuum plant in addition.Obviously, having only first problem in above-mentioned four technical matterss in fact is to exist really, but above-mentioned patent does not solve well.Other three problems are necessary being not, so there is no need according to the described method improvement of above-mentioned patent.Can think: above-mentioned patent does not have any substantial improvements to test unit described in the above-mentioned standard.
There are following defective in above-mentioned standard and above-mentioned patent: 1) overflow vent is circular hole and opens on the sidewall of permeable cylinder and overflow tank (or overflow vacuum plant), because the coefficient of permeability of tested sample has nothing in common with each other, so the discharge of overflow also has nothing in common with each other, the degree of depth that overflow water covers the spout hole bottom is also just different, make the water level in permeable cylinder and the overflow tank also have nothing in common with each other, thereby make the debugging of test unit have certain difficulty; 2) side of standard-required sealed test piece can only see through water from the upper and lower end face of sample, but does not provide feasible way.The method cost that above-mentioned patent provides is too high, and still can cause certain blocking to influence measuring accuracy to the sample upper surface; 3) during actual detected, emitted in vain, caused the waste of air free water by the air free water of permeable cylinder overflow.
Summary of the invention:
The object of the present invention is to provide a kind of can be in conjunction with existing inspection machine, simple in structure, cost is low, easy to operate, detect low permeable brick coefficient of permeability detector and the detection method of cost.
The object of the present invention is achieved like this:
A kind of permeable brick coefficient of permeability detector is characterized in that the water guiding ring that it comprises overflow cylinder, overflow tank, water containing pool, water circulating pump, valve, sample and covers sample upper end forms; Described overflow tank places water containing pool, in the overflow tank overflow cylinder is set; Described water circulating pump places the bottom of water containing pool, at described water circulating pump and overflow cylinder) between be provided with circulating water pipe; In described water containing pool, also be provided with temperature control equipment and measuring cup; The overflow vent of funnel type is housed on the overflow tank; Described measuring cup is arranged under the overflow vent of overflow tank, and described valve is arranged on the circulating water pipe.
Described overflow cylinder comprises the transparent organic glass sleeve, upward platen, following platen, infundibulate overflow vent, O-ring seal and coupling bolt are formed; Described O-ring seal is arranged on upper and lower platen inside; Be arranged with a height adjustment disk at described overflow cylinder; Described height adjustment disk with press down the valve snail line and be connected.
It is equally distributed along diametric radially shallow slot to be provided with an annular shallow slot and some at the lower surface of described water guiding ring.
Described temperature control equipment is to comprise the temperature control instrument of aquarium with well heater, stirring pump and band PID adjusting pattern.
Described water circulating pump is the aquarium miniature immersible pump.
A kind of detection method that is used for described permeable brick coefficient of permeability, it comprises following step:
A: the electrical adhesive tape of winding water adhesive tape or good springiness (91) on sample at first, in upper surface edge, adhesive tape exceeds the about 10mm in sample upper surface and bonding to covering leading of sample upper surface, edge in the sample upper surface forms the annular seal adhesive tape, makes the O-ring seal of going up in the platen when sample is installed can be pressed on this loop sealant tape;
B: the sample that will be tied with electrical adhesive tape then is contained between the upper and lower platen, connects upper and lower platen with coupling bolt, is about to sample and is installed on the overflow cylinder;
C: the overflow cylinder that will install sample is then put into the overflow tank, regulates the height adjustment disk, and making the overflow vent on the overflow cylinder and the difference of the overflow vent height in the overflow tank is 150mm;
D: the above-mentioned overflow cylinder that sample is housed is placed in the vacuum plant vacuumizes again, keep 30min, in vacuum plant, put into air free water then, make water level exceed sample 10cm, soak 20min, with its taking-up, put into rapidly in the overflow tank, the ON cycle water pump is regulated the valve on the water pipe, make upper and lower funnel type overflow vent all have water to overflow, and make upper and lower overflow vent all remain on a stable flow rate;
E: meet below overflow water 5min with a measuring cup, measure the volume of this part water, just can calculate the coefficient of permeability of this brick by the formula on the standard.
The present invention can make full use of existing vacuum extractor, recycles air free water, has effectively reduced inspection cost; The use of water guiding ring can guarantee that sample upper surface water permeable area to greatest extent near the upper surface area of sample, has improved accuracy of detection.
Description of drawings:
Fig. 1 is the structural representation of check meter of the present invention
Fig. 2 is the unitized construction synoptic diagram of check meter of the present invention
Fig. 3 is the structural representation of overflow cylinder of the present invention
Fig. 4 is the style partial structurtes synoptic diagram for preparing of the present invention
Embodiment:
Below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4, the present invention is further detailed:
In the present embodiment, the present invention is made up of overflow cylinder 1, overflow tank 2, water containing pool 3, water circulating pump 4, temperature control equipment 5, measuring cup 6, valve 7, height adjustment disk 8, sample 9 (see figure 3)s and the water guiding ring 92 that covers sample 9 upper ends.Overflow cylinder comprises transparent organic glass sleeve 11, upward platen 13, following platen 15, infundibulate overflow vent 12, O-ring seal 18 and coupling bolt 14 are formed; Described overflow tank 2 places water containing pool 3, and overflow cylinder 1 is set in overflow tank 2; Described water circulating pump 4 places the bottom of water containing pool 3, is provided with circulating water pipe 71,72 between described water circulating pump 4 and overflow cylinder 1, and wherein circulating water pipe 72 is for being arranged on the flexible pipe between circulating water pipe 71 and the overflow cylinder 1; Also be provided with temperature control equipment 5 and measuring cup 6 in described water containing pool 3, described measuring cup is arranged on the overflow vent 73 times of overflow tank 2, and described valve 7 is arranged on the circulating water pipe.Described O-ring seal 18 is arranged on upper and lower platen inside; Be arranged with a height adjustment disk 8 at described overflow cylinder 1; Described height adjustment disk 8 is threaded with following platen 13.
Upper and lower platen inside respectively is inlaid with a rubber seal 18, can guarantee that experimental water can only be by the upper and lower end face infiltration of sample.Following platen has screw thread on 13 outer rings, can with the screw-threaded engagement on the height adjustment disk 8, so just make overflow cylinder 1 free adjustment in height, transparent organic glass sleeve 11 can make things convenient for the experimenter to observe height of water level.The overflow vent 12 of funnel type, the height that the water surface is kept relative stability on overflow vent.The overflow vent of funnel type also is housed on the overflow tank 2, and the overflow vent of its shape, size and overflow cylinder system is identical.Water guiding ring 92 adopts stainless hard material to make, and can use repeatedly, and its lower surface is provided with that 1 annular shallow slot 94 and some are equally distributed to connect mutually along 95, two kinds of shallow slots of diametric radially shallow slot.Water containing pool 3 adopts organic glass or other hard material to make, and its size can be held 3 spill boxs, and also can store enough three samples detects required air free water simultaneously.Water circulating pump 4 adopts the aquarium miniature immersible pump, and it can will become the air free water in the pond to deliver to overflow cylinder through control valve 7.Temperature control equipment adopts aquarium to regulate the temperature control instrument of pattern with well heater, stirring pump and band PID, can be controlled at the required temperature of experiment to temperature accurately.Select to use the 35W miniature immersible pump in the present embodiment
The method of inspection of the present invention comprises following step:
At first should prepare sample earlier, want the electrical adhesive tape 91 of winding water adhesive tape or good springiness on the sample 9, in upper surface edge, adhesive tape exceeds the about 10mm in sample upper surface and bonding to the water guiding ring 92 that covers the sample upper surface, edge in the sample upper surface forms annular seal adhesive tape 93, make the O-ring seal of going up in the platen when sample is installed to be pressed on this loop sealant tape 93, guarantee can not leak because sample edge is irregular.The sample that will be tied with adhesive tape then is contained between the upper and lower platen, connects upper and lower platen with coupling bolt, is about to sample and is installed on the overflow cylinder.The overflow cylinder that will install sample is then put into the overflow tank, regulates the height adjustment disk, and making the overflow vent on the overflow cylinder and the difference of the overflow vent height in the overflow tank is 150mm; Again the above-mentioned overflow cylinder that sample is housed is placed in the vacuum plant and vacuumizes, keep 30min, put into air free water then, make water level exceed sample 10cm, soak 20min, with its taking-up, put into rapidly in the overflow tank, ON cycle water pump 4 is regulated the valve 7 on the water pipe, makes upper and lower funnel type overflow vent by there being water to overflow, and make upper and lower overflow vent all remain on a stable flow rate, meet below overflow water 5min with a measuring cup, measure the volume of this part water, just can calculate the coefficient of permeability of this brick by the formula on the standard.
In the present invention because the application of funnel type overflow vent, make two waters surface reduce to minimum with the variation of overflow water flow, can think that actual water-head is exactly height poor of two overflow vents, can be just by the high measuring equipment of precision such as height gauge before experiment, the difference in height that guarantees two overflow vents has improved experimental precision greatly at 150mm.The present invention adopts repeatedly used water guiding ring in conjunction with the method that adhesive tape twines the side of sample to be sealed, and can reduce experimentation cost greatly, and can guarantee that the upper surface of test specimen is permeable, has improved accuracy of detection.With the application of thermoregulator water containing pool and water circulating pump, can recycle air free water, reduced the preparation of air free water.
Claims (6)
1, a kind of permeable brick coefficient of permeability detector is characterized in that the water guiding ring (92) that it comprises overflow cylinder (1), overflow tank (2), water containing pool (3), water circulating pump (4), valve (7), sample (9) and covers sample (9) upper end forms; Described overflow tank (2) places water containing pool (3), and overflow cylinder (1) is set in overflow tank (2); Described water circulating pump (4) places the bottom of water containing pool (3), is provided with circulating water pipe (71,72) between described water circulating pump (4) and overflow cylinder (1); In described water containing pool (3), also be provided with temperature control equipment (5) and measuring cup (6); The overflow vent (73) of funnel type is housed on the overflow tank 2; Described measuring cup is arranged under the overflow vent (73) of overflow tank (2), and described valve (7) is arranged on the circulating water pipe.
2, the permeable brick coefficient of permeability detector described in claim 1 is characterized in that described overflow cylinder (1) comprises transparent organic glass sleeve (11), upward platen (13), following platen (15), infundibulate overflow vent (12), O-ring seal (18) and coupling bolt (14) are formed; Described sealed picture (18) is arranged on upper and lower platen inside; Be arranged with a height adjustment disk (8) at described overflow cylinder (1); Described height adjustment disk (8) is threaded with following platen (13).
3, the permeable brick coefficient of permeability detector described in claim 1, it is equally distributed along diametric radially shallow slot (95) that its feature is provided with an annular shallow slot (94) and some at the lower surface of described water guiding ring (92).
4, the permeable brick coefficient of permeability detector described in claim 1, the described temperature control equipment of its feature are to comprise the temperature control instrument of aquarium with well heater, stirring pump and band PID adjusting pattern.
5, the permeable brick coefficient of permeability detector described in claim 1, the described water circulating pump 4 of its feature is the aquarium miniature immersible pump.
6, a kind of detection method that is used for the permeable brick coefficient of permeability described in the claim 1 is characterized in that it comprises following step:
A: the electrical adhesive tape (91) of at first going up winding water adhesive tape or good springiness at sample (9), in upper surface edge, adhesive tape exceeds the about 10mm in sample upper surface and bonding to the water guiding ring that covers the sample upper surface (92), edge in the sample upper surface forms annular seal adhesive tape (93), makes the O-ring seal of going up in the platen when sample is installed can be pressed on this loop sealant tape 93;
B: the sample that will be tied with electrical adhesive tape then is contained between the upper and lower platen, connects upper and lower platen with coupling bolt, is about to sample and is installed on the overflow cylinder;
C: the overflow cylinder that will install sample is then put into the overflow tank, regulates the height adjustment disk, and making the overflow vent on the overflow cylinder and the difference of the overflow vent height in the overflow tank is 150mm;
D: the above-mentioned overflow cylinder that sample is housed is placed in the vacuum plant vacuumizes again, keep 30min, in vacuum plant, put into air free water then, make water level exceed sample 10cm, soak 20min, with its taking-up, put into overflow tank (2) lining rapidly, ON cycle water pump (4) is regulated the valve (7) on the water pipe, make upper and lower funnel type overflow vent all have water to overflow, and make upper and lower overflow vent all remain on a stable flow rate;
E: meet below overflow water 5min with a measuring cup (6), measure the volume of this part water, just can calculate the coefficient of permeability of this brick by the formula on the standard.
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| CN 200910106068 CN101514951B (en) | 2009-03-18 | 2009-03-18 | Permeability coefficient detector of water permeable brick and detecting method thereof |
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| CN 200910106068 CN101514951B (en) | 2009-03-18 | 2009-03-18 | Permeability coefficient detector of water permeable brick and detecting method thereof |
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| CN101514951B CN101514951B (en) | 2012-01-25 |
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| CN101813605A (en) * | 2010-04-19 | 2010-08-25 | 厦门市闽长鹭科技发展有限公司 | Permeable environment simulator experimental device and method suitable for permeable brick |
| CN102192869A (en) * | 2010-03-11 | 2011-09-21 | 北京仁创科技集团有限公司 | Apparatus and method for detecting permeable performance of permeable material product |
| CN101738363B (en) * | 2009-12-28 | 2012-01-04 | 上海嘉洁环保工程有限公司 | Instrument and method for testing permeability coefficient |
| CN102928325A (en) * | 2012-11-06 | 2013-02-13 | 河南省交通规划勘察设计院有限责任公司 | Tester and method for testing permeability of emulsified asphalt by using same |
| CN103033461A (en) * | 2013-01-09 | 2013-04-10 | 许昌金科建筑清运有限公司 | Method for testing water permeability coefficient of water permeable brick |
| CN103604734A (en) * | 2013-11-04 | 2014-02-26 | 台州学院 | Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system |
| CN104677802A (en) * | 2015-03-05 | 2015-06-03 | 扬州大学 | Multifunctional linkage device integrating sewage time-sharing sampling and permeation coefficient testing and working method of multifunctional linkage device |
| CN105403496A (en) * | 2015-11-20 | 2016-03-16 | 湖北康曼材料科技有限公司 | Full-automatic detection equipment and detection method for water permeation rate of water permeable brick |
| CN105738269A (en) * | 2016-05-10 | 2016-07-06 | 核工业湖州工程勘察院 | Device for measuring permeability coefficient of concrete |
| CN106290072A (en) * | 2016-08-15 | 2017-01-04 | 夏涛 | A kind of mosaic tiles water absorption detection device |
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| CN110220832A (en) * | 2019-05-27 | 2019-09-10 | 江南大学 | The permeability measurement method of zisha earthenware |
| CN110231271A (en) * | 2019-07-08 | 2019-09-13 | 健研检测集团有限公司 | A kind of Multifunctional permeable water coefficient detection device |
| CN113029891A (en) * | 2019-12-24 | 2021-06-25 | 山西大地华基建材科技有限公司 | Demonstration device for water permeability of reaction permeable brick |
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| CN200993635Y (en) * | 2006-12-21 | 2007-12-19 | 北京市市政工程研究院 | Vacuum water penetrating block permeability coefficient detecting instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101738363B (en) * | 2009-12-28 | 2012-01-04 | 上海嘉洁环保工程有限公司 | Instrument and method for testing permeability coefficient |
| CN102192869A (en) * | 2010-03-11 | 2011-09-21 | 北京仁创科技集团有限公司 | Apparatus and method for detecting permeable performance of permeable material product |
| CN101813605A (en) * | 2010-04-19 | 2010-08-25 | 厦门市闽长鹭科技发展有限公司 | Permeable environment simulator experimental device and method suitable for permeable brick |
| CN102928325A (en) * | 2012-11-06 | 2013-02-13 | 河南省交通规划勘察设计院有限责任公司 | Tester and method for testing permeability of emulsified asphalt by using same |
| CN102928325B (en) * | 2012-11-06 | 2014-06-04 | 河南省交通规划勘察设计院有限责任公司 | Tester and method for testing permeability of emulsified asphalt by using same |
| CN103033461A (en) * | 2013-01-09 | 2013-04-10 | 许昌金科建筑清运有限公司 | Method for testing water permeability coefficient of water permeable brick |
| CN103033461B (en) * | 2013-01-09 | 2015-10-28 | 许昌金科建筑清运有限公司 | Water permeability coefficient of water permeable brick method of testing |
| CN103604734A (en) * | 2013-11-04 | 2014-02-26 | 台州学院 | Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system |
| CN104677802B (en) * | 2015-03-05 | 2017-05-17 | 扬州大学 | Multifunctional linkage device integrating sewage time-sharing sampling and permeation coefficient testing and working method of multifunctional linkage device |
| CN104677802A (en) * | 2015-03-05 | 2015-06-03 | 扬州大学 | Multifunctional linkage device integrating sewage time-sharing sampling and permeation coefficient testing and working method of multifunctional linkage device |
| CN105403496A (en) * | 2015-11-20 | 2016-03-16 | 湖北康曼材料科技有限公司 | Full-automatic detection equipment and detection method for water permeation rate of water permeable brick |
| CN105403496B (en) * | 2015-11-20 | 2017-12-12 | 湖北康曼材料科技有限公司 | A kind of full-automatic water-permeable brick permeation rate detection device and its detection method |
| CN105738269A (en) * | 2016-05-10 | 2016-07-06 | 核工业湖州工程勘察院 | Device for measuring permeability coefficient of concrete |
| CN106290072A (en) * | 2016-08-15 | 2017-01-04 | 夏涛 | A kind of mosaic tiles water absorption detection device |
| CN106290072B (en) * | 2016-08-15 | 2019-01-18 | 许陈菲 | A kind of mosaic tiles water imbibition detection device |
| CN106593427A (en) * | 2016-12-20 | 2017-04-26 | 辽宁科技大学 | Experimental system device for simulating water seepage of covering rock stratum |
| CN106593427B (en) * | 2016-12-20 | 2019-11-05 | 辽宁科技大学 | A kind of experimental system setup of simulation covering layer infiltration |
| CN110220832A (en) * | 2019-05-27 | 2019-09-10 | 江南大学 | The permeability measurement method of zisha earthenware |
| CN110220832B (en) * | 2019-05-27 | 2021-07-27 | 江南大学 | Method for measuring air permeability of purple sand pottery |
| CN110231271A (en) * | 2019-07-08 | 2019-09-13 | 健研检测集团有限公司 | A kind of Multifunctional permeable water coefficient detection device |
| CN113029891A (en) * | 2019-12-24 | 2021-06-25 | 山西大地华基建材科技有限公司 | Demonstration device for water permeability of reaction permeable brick |
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