CN104089971A - Device for testing freezing and thawing properties of concrete hollow blocks - Google Patents
Device for testing freezing and thawing properties of concrete hollow blocks Download PDFInfo
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- CN104089971A CN104089971A CN201410353581.7A CN201410353581A CN104089971A CN 104089971 A CN104089971 A CN 104089971A CN 201410353581 A CN201410353581 A CN 201410353581A CN 104089971 A CN104089971 A CN 104089971A
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Abstract
The invention discloses a device for testing freezing and thawing properties of concrete hollow blocks. The device comprises a heat-preserving test box body, an auxiliary water tank, a refrigerating device and a control box, wherein the heat-preserving test box body is provided with a box door, and a test chamber for accommodating the concrete hollow blocks is formed inside the heat-preserving test box body; the refrigerating end of the refrigerating device is communicated with the test chamber; the auxiliary water tank is arranged on one side of the heat-preserving test box body; a first water pump and a second water pump are connected with the auxiliary water tank and the heat-preserving test box body through a pipeline; the first water pump is used for pumping water in the test chamber into the auxiliary water tank; the second water pump is used for pumping water in the auxiliary water tank into the test chamber; a heating device is arranged in the auxiliary water tank; an overflow hole is formed in the upper part of the heat-preserving test box body; water level sensors and temperature sensors are arranged in the auxiliary water tank and the heat-preserving test box body, respectively. According to the device for testing the freezing and thawing properties of the concrete hollow blocks, the labor intensity of an operator is reduced, the test efficiency is high, the test cost is low, and test data is accurate and reliable.
Description
Technical field
The present invention relates to a kind of concrete hollow block test unit, relate in particular to a kind of concrete hollow block freeze thawing test unit.
Background technology
As everyone knows, concrete hollow block is applied on construction wall widely, because body of wall is exposed in external environment more, therefore to carry out to concrete hollow block the test of the extraneous rugged surroundings of various imitations, freeze thawing test is a kind of of concrete hollow block test, its be by concrete hollow block be placed in low temperature, moist environment is freezing, then the performance of melting to test concrete hollow block.
At present, the concrete grammar of traditional concrete hollow block freeze thawing test is mostly: first the to be tested concrete hollow block that soaked water is placed in to Cryo Equipment it is freezing, and then freezing concrete hollow block is carried out to Cryo Equipment be placed in water and melt, so repeated multiple times.Obviously there is following shortcoming in this method:
1) need to carry out repeatedly handling and loading to concrete hollow block, labour intensity is large, test efficiency is low and experimentation cost is high;
2) freeze thawing test substep carries out, and affects its test figure and result.
Summary of the invention
The object of the present invention is to provide a kind of concrete hollow block freeze thawing test unit, it can realize the freeze thawing test of Automatic continuous to concrete hollow block, to solve the problems referred to above that in prior art, concrete hollow block freeze thawing test exists.
For reaching this object, the present invention by the following technical solutions:
A kind of concrete hollow block freeze thawing test unit, it comprises insulation test casing, auxiliary water tank, refrigerating plant and control box, wherein, described insulation test casing arranges the test cavity that chamber door and its inside are formed for placing concrete hollow block, the refrigeration end of described refrigerating plant is connected with described test cavity, described auxiliary water tank is arranged at a side of described insulation test casing, by pipeline, be connected with for by the first water pump in the water suction auxiliary water tank in test cavity with for by the second water pump of the water suction test cavity in auxiliary water tank between the two, in described auxiliary water tank, be provided with heating arrangement, the top of described insulation test casing is provided with spout hole, and described auxiliary water tank is tested in casing and is provided with level sensor and temperature sensor with insulation, described control box and refrigerating plant, the first water pump, the second water pump, level sensor and temperature sensor are electrically connected to.
Especially, the bottom surface of described insulation test casing is non-horizontal surface, is provided with recessed freeing port on it, and described freeing port installation pipeline connects the first water pump.
Especially, between described test cavity and the first water pump, on pipeline, filtrator is installed, with the residue particles of being scattered of the contained sample of water in filtration test chamber.
Especially, described heating arrangement is electric heating tube, and described electric heating tube connects heating power supply.
Especially, described refrigerating plant comprises compressor, condenser, evaporator and blower fan, and it is external that described compressor and condenser are arranged at described insulation chamber, and the impeller of described evaporator and blower fan is arranged in insulation test casing.
Beneficial effect of the present invention is, compared with prior art described concrete hollow block freeze thawing test unit is put into test cavity by concrete hollow block to be tested, again making concrete hollow block immersion to be tested in the water suction test cavity in auxiliary water tank, then water is drawn back to auxiliary water tank, restart refrigerating plant, the concrete hollow block that soaked water in test cavity is carried out freezing, freezing out of service to refrigerating plant after setting-up time, to in the water suction test cavity heating in auxiliary water tank, make freezing concrete hollow block melt again, so, realize freeze thawing test, so repeated multiple times so that concrete hollow block is carried out to freeze thawing test.Not only labour intensity is little, test efficiency is high, experimentation cost is low; And test figure accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the vertical view of the concrete hollow block freeze thawing test unit that provides of the specific embodiment of the invention 1;
Fig. 2 is the side view of the concrete hollow block freeze thawing test unit that provides of the specific embodiment of the invention 1.
In figure:
1, insulation test casing; 2, auxiliary water tank; 3, chamber door; 4, concrete hollow block; 5, test cavity; 6, the first water pump; 7, the second water pump; 8, filtrator; 9, electric heating tube; 10, spout hole; 11, compressor; 12, condenser; 13, evaporator; 14, blower fan; 15, freeing port.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technical scheme of the present invention.
Refer to shown in Fig. 1 and Fig. 2, in the present embodiment, a kind of concrete hollow block freeze thawing test unit comprises insulation test casing 1, auxiliary water tank 2, refrigerating plant and control box, described insulation test casing 1 arranges the test cavity 5 that chamber door 3 and its inside are formed for placing concrete hollow block 4, the refrigeration end of described refrigerating plant is connected with described test cavity 5, described auxiliary water tank 2 is arranged at a side of described insulation test casing 1, by pipeline, be connected with for by the first water pump 6 in the water suction auxiliary water tank 2 in test cavity 5 with for by the second water pump 7 of the water suction test cavity 5 in auxiliary water tank 2 between the two, between test cavity 5 and the first water pump 6, on pipeline, filtrator 8 is installed, with the filtration test chamber 5 contained sample of the interior water residue particles of being scattered.
In described auxiliary water tank 2, be provided with electric heating tube 9, described electric heating tube 9 connects heating power supply, the top of described insulation test casing 1 is provided with spout hole 10, and described auxiliary water tank 2 is tested in casing 1 and is provided with level sensor and temperature sensor with insulation, described control box is electrically connected to refrigerating plant, the first water pump 6, the second water pump 7, level sensor and temperature sensor, for automatically controlling whole test unit.
Described refrigerating plant comprises compressor 11, condenser 12, evaporator 13 and blower fan 14, and described compressor 11 and condenser 12 are arranged at outside described insulation test casing 1, and the impeller of described evaporator 13 and blower fan 14 is arranged in insulation test casing 1.
The bottom surface of described insulation test casing 1 is non-horizontal surface, is provided with recessed freeing port 15 on it, and described freeing port 15 installation pipeline connect the first water pump 6, and freeing port 15 adopts recessed design, can drain the water in test cavity 5 completely.
During test, open chamber door 3, concrete hollow block 4 is put into test cavity 5 with certain pitch stacking, now in test cavity 5, there is no water, then close chamber door 3, by predefined working procedure, start the second water pump 7 by the interior water suction of auxiliary water tank 2 test cavity 5, until all concrete hollow blocks 4 of the complete submergence of water, then starting the first water pump 6 all draws back the interior water of test cavity 5 to auxiliary water tank 2, restart refrigerating plant, and set cryogenic temperature, concrete hollow block 4 after immersion is completely freezing and when reaching the cryogenic temperature of setting and remaining to the freezing time of regulation, refrigerating plant quits work, 9 pairs of water heating of electric heating tube in auxiliary water tank 2 are then in the second water pump 7 suction test cavities 5, to the thawing of heating of the concrete hollow block after freezing, when the water after the heating in test cavity 5 surpasses the position of spout hole 10 simultaneously, water can flow in auxiliary water tanks 2 again in heat cycles suction test cavity 5 by spout hole 10, so until the temperature in test cavity 5 reaches design temperature, concrete hollow block 4 after freezing melts completely, last the first water pump 6 starts in the complete suction auxiliary water tank 2 of the water in test cavity 5, complete freeze thawing test.So repeated multiple times until test period finishes.
Above embodiment has just set forth ultimate principle of the present invention and characteristic; the present invention is not limited by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. a concrete hollow block freeze thawing test unit, it comprises insulation test casing, auxiliary water tank, refrigerating plant and control box, it is characterized in that, described insulation test casing arranges the test cavity that chamber door and its inside are formed for placing concrete hollow block, the refrigeration end of described refrigerating plant is connected with described test cavity, described auxiliary water tank is arranged at a side of described insulation test casing, by pipeline, be connected with for by the first water pump in the water suction auxiliary water tank in test cavity with for by the second water pump of the water suction test cavity in auxiliary water tank between the two, in described auxiliary water tank, be provided with heating arrangement, the top of described insulation test casing is provided with spout hole, and described auxiliary water tank is tested in casing and is provided with level sensor and temperature sensor with insulation, described control box and refrigerating plant, the first water pump, the second water pump, level sensor and temperature sensor are electrically connected to.
2. concrete hollow block freeze thawing test unit according to claim 1, is characterized in that, the bottom surface of described insulation test casing is non-horizontal surface, is provided with recessed freeing port on it, and described freeing port installation pipeline connects the first water pump.
3. concrete hollow block freeze thawing test unit according to claim 1 and 2, is characterized in that, between described test cavity and the first water pump, on pipeline, filtrator is installed.
4. concrete hollow block freeze thawing test unit according to claim 1, is characterized in that, described heating arrangement is electric heating tube, and described electric heating tube connects heating power supply.
5. concrete hollow block freeze thawing test unit according to claim 1, it is characterized in that, described refrigerating plant comprises compressor, condenser, evaporator and blower fan, it is external that described compressor and condenser are arranged at described insulation chamber, and the impeller of described evaporator and blower fan is arranged in insulation test casing.
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CN201410353581.7A CN104089971A (en) | 2014-07-22 | 2014-07-22 | Device for testing freezing and thawing properties of concrete hollow blocks |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104458791A (en) * | 2014-12-19 | 2015-03-25 | 苏州市东华试验仪器有限公司 | Rapid freeze-thawing testing machine with good heat radiation effect |
CN104712017A (en) * | 2015-04-09 | 2015-06-17 | 英贝儿(天津)测控设备有限责任公司 | Water tank of concrete small-block freezing-thawing testing machine |
CN105223226A (en) * | 2015-11-19 | 2016-01-06 | 华北水利水电大学 | Concrete is high temperature resistant and frost resistance proving installation |
CN107356623A (en) * | 2017-07-28 | 2017-11-17 | 山东和富工程检测有限公司 | A kind of stone material roadbed freezing and thawing circulating test device automatically controlled |
CN110412068A (en) * | 2019-08-02 | 2019-11-05 | 新疆大学 | A kind of test mining area dust accelerates the experimental method of glacial ablation |
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JP2000002700A (en) * | 1998-06-17 | 2000-01-07 | Kirin Brewery Co Ltd | Method for predicting freeze-turbidity of liquor fermentation liquid |
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CN103063697A (en) * | 2012-12-28 | 2013-04-24 | 苏州市东华试验仪器有限公司 | Freezing-thawing test machine with blowdown device |
CN203117129U (en) * | 2012-12-28 | 2013-08-07 | 苏州市东华试验仪器有限公司 | Integrated type freezing and thawing tester |
CN203502365U (en) * | 2013-08-21 | 2014-03-26 | 河南省建筑科学研究院有限公司 | Building brick and concrete freeze thawing detection system |
CN103698355A (en) * | 2013-12-28 | 2014-04-02 | 苏州市东华试验仪器有限公司 | Integral thaw testing machine |
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CN103808753A (en) * | 2012-12-29 | 2014-05-21 | 苏州市东华试验仪器有限公司 | Concrete unilateral freeze thawing tester |
CN203688478U (en) * | 2014-02-24 | 2014-07-02 | 天津市港源试验仪器厂 | Full-automatic low-temperature freeze thawing testing machine |
CN203965361U (en) * | 2014-07-22 | 2014-11-26 | 常熟市环境试验设备有限公司 | A kind of concrete hollow block freeze thawing test unit |
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2014
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Patent Citations (10)
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JP2000002700A (en) * | 1998-06-17 | 2000-01-07 | Kirin Brewery Co Ltd | Method for predicting freeze-turbidity of liquor fermentation liquid |
CN201063035Y (en) * | 2007-07-06 | 2008-05-21 | 王京 | Apparatus for concrete slow freeze-thawing test |
CN103063697A (en) * | 2012-12-28 | 2013-04-24 | 苏州市东华试验仪器有限公司 | Freezing-thawing test machine with blowdown device |
CN203117129U (en) * | 2012-12-28 | 2013-08-07 | 苏州市东华试验仪器有限公司 | Integrated type freezing and thawing tester |
CN103808753A (en) * | 2012-12-29 | 2014-05-21 | 苏州市东华试验仪器有限公司 | Concrete unilateral freeze thawing tester |
CN203502365U (en) * | 2013-08-21 | 2014-03-26 | 河南省建筑科学研究院有限公司 | Building brick and concrete freeze thawing detection system |
CN103698355A (en) * | 2013-12-28 | 2014-04-02 | 苏州市东华试验仪器有限公司 | Integral thaw testing machine |
CN103713005A (en) * | 2013-12-28 | 2014-04-09 | 苏州市东华试验仪器有限公司 | Rapid concrete freeze thawing and single-side freeze thawing integrated testing machine |
CN203688478U (en) * | 2014-02-24 | 2014-07-02 | 天津市港源试验仪器厂 | Full-automatic low-temperature freeze thawing testing machine |
CN203965361U (en) * | 2014-07-22 | 2014-11-26 | 常熟市环境试验设备有限公司 | A kind of concrete hollow block freeze thawing test unit |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104458791A (en) * | 2014-12-19 | 2015-03-25 | 苏州市东华试验仪器有限公司 | Rapid freeze-thawing testing machine with good heat radiation effect |
CN104712017A (en) * | 2015-04-09 | 2015-06-17 | 英贝儿(天津)测控设备有限责任公司 | Water tank of concrete small-block freezing-thawing testing machine |
CN104712017B (en) * | 2015-04-09 | 2016-03-30 | 英贝儿(天津)测控设备有限责任公司 | A kind of small concrete block freezing-thawing test machine water tank |
CN105223226A (en) * | 2015-11-19 | 2016-01-06 | 华北水利水电大学 | Concrete is high temperature resistant and frost resistance proving installation |
CN107356623A (en) * | 2017-07-28 | 2017-11-17 | 山东和富工程检测有限公司 | A kind of stone material roadbed freezing and thawing circulating test device automatically controlled |
CN110412068A (en) * | 2019-08-02 | 2019-11-05 | 新疆大学 | A kind of test mining area dust accelerates the experimental method of glacial ablation |
CN110412068B (en) * | 2019-08-02 | 2021-12-31 | 新疆大学 | Experimental method for testing mine area dust accelerated glacier ablation |
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Application publication date: 20141008 |