CN105606792A - Device and method for conducting automatic squeezing and sample compounding on concrete pore solution - Google Patents
Device and method for conducting automatic squeezing and sample compounding on concrete pore solution Download PDFInfo
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- CN105606792A CN105606792A CN201511028316.2A CN201511028316A CN105606792A CN 105606792 A CN105606792 A CN 105606792A CN 201511028316 A CN201511028316 A CN 201511028316A CN 105606792 A CN105606792 A CN 105606792A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000011148 porous material Substances 0.000 title claims abstract description 11
- 238000013329 compounding Methods 0.000 title abstract 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 167
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 83
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000008367 deionised water Substances 0.000 claims abstract description 23
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 49
- 238000007599 discharging Methods 0.000 claims description 43
- 238000012360 testing method Methods 0.000 claims description 41
- 239000002893 slag Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 30
- 230000002572 peristaltic effect Effects 0.000 claims description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 24
- 238000011068 loading method Methods 0.000 claims description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 230000004941 influx Effects 0.000 claims description 3
- 238000002242 deionisation method Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 238000003763 carbonization Methods 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 2
- 229960004424 carbon dioxide Drugs 0.000 description 61
- 239000003921 oil Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 12
- 239000004568 cement Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000010727 cylinder oil Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910001948 sodium oxide Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a device and method for conducting automatic squeezing and sample compounding on a concrete pore solution. The device comprises a hydraulic machine, a pore solution squeezing device, a rubber pipe, a wriggling and flow splitting device, a sample compounding chamber, a carbon dioxide detection device, a carbon dioxide filtering device, a water tank, deionized water, a control terminal, a cable, an electronic scale and a sample compounding bottle. The hydraulic machine and the pore solution squeezing device are of an integrate structure, the hydraulic machine, the pore solution squeezing device, the wriggling and flow splitting device, the carbon dioxide detection device and the electronic scale are connected with the control terminal through the cable, and the control terminal controls the hydraulic machine, the pore solution squeezing device and the wriggling and flow splitting device to conduct mechanical action through program commands to complete the whole process of mechanized automatic operation including filling, carbon removing, squeezing, sample compounding and unloading. By means of the device and method, non-carbonization squeezing, collecting and sample compounding of the concrete pore solution are achieved, and the scientific device and method are provided for research on the concrete pore solution.
Description
Technical field
The present invention relates to cement and concrete material scientific domain, be specifically related to a kind of concrete hole solution automatic pressingThe device and method of squeezing, sample.
Background technology
Concrete hole solution is as an important component in concrete system, with concrete performance breath manner of breathingClose, correlative study has become the important topic of cement concrete material scientific domain fundamental research, for exampleMechanism research aspect hydrated cementitious, alkali-aggregate reaction, steel bar corrosion, and the cement such as chemical addition agent is mixedThe research of the aspects such as solidifying soil material performance impact mechanism, hole solution is all being served as important role. Obtain or simulationThe method of concrete hole solution is numerous, but has received domestic and international by the method that concrete hole solution is collected in squeezingPerson extensively approves, although in current published technology, the method for squeezing concrete hole solution is had to many retouchingState, but still have some insoluble problems.
In the prior art, the squeezing of hole solution, collection and sample are all manual operations, due to hole solution squeezingDevice is metal structure, comparatively heavy, and experimenter is in operating process, not only time-consuming but also require great effort, operating efficiencyLower, and easily in operating process, bring other adverse influence factors into, for example, molten at sample process mesoporeLiquid loses or is carbonized. In the collection and sample process of concrete hole solution, the carbonization that thoroughly solves hole solutionProblem is a technical barrier that is difficult to tackling key problem always, although prior art has been announced the relevant hole solution carbon avoidedThe technical measures of changing, but thoroughly carbonization problem is solved not yet. Patent ZL200920236021.8 discloses oneThe device of planting high-pressure extraction of hardened cement paste porous liquor, it is provided with air extractor in device, but the dress of bleedingOnly put and can bleed to its collecting chamber, in the time that negative pressure reaches balance, its feeder and concrete sample are also negativePressure ring reaches balance in border, does not have the drainage of pressure differential or Air Flow, causes subnormal ambient to improving Kong RongThe effect of liquid collection efficiency is little, and this patent also adopts nitrogen to get rid of the carbon dioxide in collecting chamber simultaneously, butCannot get rid of the carbon dioxide in feeder and collection hole, and in the time stopping bleeding, outside air refluxes, and leadsCausing carbon dioxide enters in collecting chamber; It is molten that patent ZL201420844839.9 discloses a set of cement-based material holeHydraulic pressure is got device, and this patent has also adopted anti-carbonization design, its anti-carbonization be by before squeezing test from collectionChamber place leads to nitrogen, the air in disposable eliminating test specimen groove, feeder, collection hole and collecting chamber, and then enterRow squeezing test, but in operating process, be inconvenient to operate in laboratory by nitrogen exhaust, and when having got rid ofFinish, when concrete sample is positioned over to test specimen groove, unavoidably air is brought into device inside; PatentZL200920236021.8 and ZL201420844839.9 have all adopted feeder in the collection block of experimental rigWith the design of four collection holes, ensure that hole solution, being squeezed out to flow into after feeder, can flow effectivelyEnter in collection hole, but in the time that the pressing quantity thereof of hole solution is more, the air in feeder and collection hole is arranged by hole solutionGo out, when hole solution flows out, cause in feeder and produce micro-negative pressure, stop the further outflow of hole solution, causeA large amount of hole solutions are trapped in feeder and collection hole, and in the time that hole solution pressing quantity thereof is less, still have unavoidably partHole solution is retained in feeder, and hole solution is while flowing through collection hole, and part hole solution can be bonded in collection holeIn feeder, when collection hole quantity is more, it is also more that hole solution is bonded in amount in collection hole, especially growingIn the situation of the concrete sample squeezing hole solution of the length of time or low water binder ratio, hole solution pressing quantity thereof is less, causes holeSolution collecting amount still less, even cannot be collected hole solution; Application number is 200410066554.8 patent public affairsOpened a kind of device of high pressure collecting hardened concrete hole solution, it is not to sump pit (feeder) and dredge pipeCarbon dioxide get rid of, it adopts the gathering-device of syringe as hole solution, due to concrete squeezing examinationTest according to the concrete length of time and water-cement ratio different, the squeezing time at 10 minutes to 60 minutes not etc., noteEmitter extraction operation often needs repeatedly exhaust, and the hole solution of collecting still needs again to filter, and does not have goodOperability.
Therefore, for overcoming the above problems, still need further to work, improve the squeezing of concrete hole solutionWith the convenience of sample, ensure science squeezing, collection and the sample of concrete hole solution, be coagulating cement soil familyThe development of learning provides reliable guarantee and strong support.
Summary of the invention
Based on foregoing, for solving following technical problem: the comparison of (1) existing concrete hole solution pressing deviceHeaviness, needs manually to move back and forth, and squeezing and collection work are wasted time and energy; (2) hole solution is collected in environmentCarbon dioxide is difficult to thorough eliminating, and (3) hole solution is easily left over and caused the collecting amount of hole solution few in feeder,Especially because causing hole solution to be suspended in collection hole, the micro-negative pressure in surface tension and the feeder of water is difficult toFlow out, in the time that hole solution pressing quantity thereof is less, because feeder is left over collection hole bonding and is caused hole solution amount few,Even cannot collect hole solution. The present invention on the basis of prior art beneficial effect, by hydraulic press andHole solution pressing device carries out integrated design, and the wriggling part flow arrangement of design specialized and carbon dioxide filtration dressPut, and a series of technological means such as the structure of innovative design hole solution pressing device, a kind of concrete is providedHole solution squeezes automatically, the device and method of sample, is specifically achieved in that
The invention provides that a kind of concrete hole solution squeezes automatically, the device of sample, comprise hydraulic press, Kong RongLiquid pressing device, rubber tube, wriggling part flow arrangement, sample chamber, carbon dioxide checkout gear, carbon dioxide mistakeFilter device, water tank, deionized water, control terminal, cable, electronic balance and sample bottle;
It is indoor that described water tank, carbon dioxide checkout gear, electronic balance and sample bottle are located at sample, deionized waterBe located in water tank, described sample bottle is placed on electronic balance; Described hydraulic press and hole solution pressing device are integratedStructure; Described hydraulic press, hole solution pressing device, wriggling part flow arrangement, carbon dioxide checkout gear and electronicsBalance is connected with control terminal by cable, and control terminal is by programmed instruction control hydraulic press, hole solution squeezingThe mechanical action of device and wriggling part flow arrangement; Carbon dioxide checkout gear is aobvious by the gas concentration lwevel detectingBe shown in the program interface of control terminal, electronic balance sends the data that detect to control terminal, controls eventuallyEnd is according to the data execution of program instructions of electronic balance feedback;
Described hole solution pressing device comprises plunger, cylinder body, filter tip, turntable, rotating shaft and rotating shaft electric motor;
Described cylinder body comprises cylinder wall, test specimen groove, turntable groove and fluid reservoir, test specimen groove, turntable groove and fluid reservoirBe positioned in the middle of cylinder body, from top to bottom disposed therethrough; Described cylinder wall is provided with passage and delivery hole, passageBe through to turntable groove on turntable groove top by cylinder wall outer surface, delivery hole at inferior part of the cylinder block by cylinder wall outer surfaceBe through to fluid reservoir; Described rotating shaft is in cylinder wall, and rotating shaft upper end coordinates with rotating shaft electric motor, rotating shaft electric motorCan drive rotating shaft to rotate, rotating shaft drives turntable to rotate;
Described turntable comprises collection block and discharging seat, and the plan structure of collection block and discharging seat is two external diameters and equatesAnd the shape of crossing circle, rotating shaft is positioned at the mid point of two circle center lines, and collection block coordinates with turntable groove, discharging seatBe positioned at cylinder body outside, if rotating shaft dextrorotation turnback angle, the collaborative rotating shaft Rotate 180 degree of turntable angle, unloadsMaterial seat coordinates with turntable groove, and collection block goes to cylinder body outside; Described collection block is provided with sealing drum, feeder, receiptsCollection hole and filter tip mounting groove, feeder is connected with collection hole, and collection hole is connected with filter tip mounting groove,In the time that collection block coordinates with turntable groove, feeder is connected with described passage, and sealing drum is connected with fluid reservoir,Form and the disconnected space of turntable groove; Described discharging seat is provided with dumping pit and slag body bucket, dumping pit and slag body bucketBe connected, in the time that discharging seat coordinates with turntable groove, the bottom surface of slag body bucket is by the space of slag body bucket and dumping pit and storageLiquid chamber isolation, thus can avoid concrete slag body that fluid reservoir is polluted;
Described hydraulic press comprises platen, oil cylinder, Pressure Block, considers, at concrete hole solution squeezing test knotShu Hou need to extract plunger in test specimen groove, and described platen and described plunger are set to integrative-structure, instituteState Pressure Block and cylinder body is set to integrative-structure;
Described wriggling part flow arrangement comprises peristaltic pump, point flow rotor, water flowing joint, logical liquid exhaust joint and publicJoint, point flow rotor can left-right rotation, and rotation amplitude is an angle of 90 degrees, in point flow rotor, establishes tap hole, shuntingKong Weiyi right angle pore structure, the two ends of tap hole are connected with logical liquid exhaust joint and common contact respectively, are wrigglingUnder the wriggling of moving pump, hole solution can be directed in sample bottle by fluid reservoir; If will divide flow rotor to turn clockwiseAn angle of 90 degrees, the two ends of tap hole are connected with water flowing joint and common contact respectively, at the wriggling of peristaltic pumpUnder, deionized water can be directed in sample bottle by water tank;
Described carbon dioxide filter, comprises carbon dioxide filtering flask and wireway, according to sodium oxide molybdena and dioxyChange the principle that carbon reaction generates sodium carbonate, in carbon dioxide filtering flask, hold sodium hydroxide solution, wireway withSample chamber is connected, and from sample, indoor to be imported into NaOH in carbon dioxide filtering flask molten by wireway for gasIn liquid, realize the object of removing carbon dioxide in gas;
Described sample chamber is the casing that can freely open and close, and in the time that sample chamber is closed, inner only form and leadsThe space that tracheae and wriggling part flow arrangement are communicated with;
The programmed instruction of described control terminal comprises charging, de-carbon, squeezing, sample and discharging, and described charging isConcrete sample is placed in after test specimen groove, and hydraulic press starts, and cylinder body rises, plunger insert in test specimen groove toConcrete sample contact, described de-carbon be by make sample chamber, carbon dioxide filter, passage, rubber tube,Carbon dioxide in the connected space of sealing drum, fluid reservoir and wriggling part flow arrangement is removed, and described squeezing is by mixedHole solution in solidifying native test specimen squeezes out, and hole solution flows in fluid reservoir after filter tip filters, described sampleBe that hole solution and deionized water are mixed according to the ratio of setting, described discharging is by the concrete after squeezingSlag body is discharged in test specimen groove, enters in slag body bucket;
Described sample chamber, carbon dioxide filter, passage, rubber tube, sealing drum and fluid reservoir can wriggledUnder the effect of moving part flow arrangement, form the mobile enclosure space of gas circulation, thereby concrete hole solution can be pressedCarbon dioxide in squeezing, collection and sample environment is removed clean.
Described fluid reservoir is turbination cavity structure.
For avoiding hole solution in outflow process, because of the problem that wetting collection hole loses, described collection block is only establishedPut a collection hole, collection hole is connected with feeder, and described feeder is skewed slot, the portion being connected with collection holeBit depth maximum, the degree of depth of prolonging hoop extension from collection hole to feeder both sides reduces gradually, and feeder is being receivedThe degree of depth minimum of collection 180Du Jiao position, hole, the minimum place of the feeder degree of depth is connected with passage.
Described filter tip and described filter tip mounting groove form closely cooperating of detachable.
Meanwhile, for detecting accurately and quickly the concentration value of sample indoor carbon dioxide, described carbon dioxide detects inspectionSurvey device and should be arranged at the region that flow rate of gas is larger, the indoor gas of sample is discharged through wireway, therefore,Carbon dioxide checkout gear is arranged to the junction of sample chamber and wireway.
A kind of concrete hole solution of the present invention squeezes automatically, the method for sample, comprises the steps:
(1) charging: concrete sample is placed in to test specimen groove, carries out the charging instruction of control terminal, oil cylinderOil supply, the cylinder body of Pressure Block and hole solution pressing device rises, and plunger forms close gastight cooperation with test specimen groove,In the time that plunger contacts with concrete sample, oil cylinder stops oil supply, completes the charging instruction of control terminal;
(2) de-carbon: carry out the de-carbon instruction of control terminal, wriggling part flow arrangement starts automatically, tap hole withLogical liquid exhaust joint and common contact are communicated with, under the wriggling of peristaltic pump, make fluid reservoir, sealing drum, collection hole,It is indoor that gas in feeder, passage and carbon dioxide filtering flask imports sample, produces negative pressure,, joins meanwhileIn specimen chamber, produce malleation, under the effect of draught head, gas is entered in carbon dioxide filter by wireway,Carbon dioxide in gas and sodium hydroxide solution produce chemical reaction and generate sodium carbonate, and carbon dioxide is reacted to be removedGo, the gas that is removed carbon dioxide is entered in described passage through rubber tube by carbon dioxide filtering flask, then warpFeeder, collection hole, filter tip enter in sealing drum and fluid reservoir, according to said process, formation sample chamber,The interior air of carbon dioxide filter, passage, rubber tube, sealing drum and fluid reservoir and wriggling part flow arrangementFlow circuit, in this process, carbon dioxide checkout gear continues to detect airborne carbon dioxide content, andOn control terminal, show respective value, in the time that the concentration value of carbon dioxide is zero, peristaltic pump quits work automatically,Complete the de-carbon instruction of control terminal;
(3) squeezing: setting squeeze force at control terminal is that 100MPa～1500MPa, loading speed are0.1MPa/s～3MPa/s and dwell time are 1min～30min, carry out the squeezing instruction of control terminal, and oil cylinder is pressedRise according to the squeeze force loading speed of setting, make sliding cylinder extrusion concrete sample, the hole solution in concrete sampleBe squeezed out, flow into feeder, then flow in filter tip through collection hole, hole solution is stream after filter tip filtersEnter in fluid reservoir, hydraulic press completed after squeezing instruction according to squeeze force, loading speed and the dwell time set,Hydraulic press stops squeezing automatically;
(4) sample: set sample ratio and the sample amount of hole solution and deionized water at control terminal, carry outSample instruction, peristaltic pump is started working automatically, and tap hole is communicated with logical liquid exhaust joint and common contact, is wrigglingUnder the wriggling of moving pump, hole solution by fluid reservoir through delivery hole, rubber tube, logical liquid exhaust joint, tap hole, public affairsCommon terminal and peristaltic pump flow in sample bottle, and sample bottle mesopore solution influx is 1/10 o'clock of sample amount, electricityThe weight data of hole solution is fed back to control terminal by sub-balance, and control terminal is assigned finger to wriggling part flow arrangementOrder, makes a point flow rotor clockwise rotate an angle of 90 degrees, and tap hole is communicated with water flowing joint and common contact, according toSample ratio, is directed into sample by water tank through rubber tube, water flowing joint, common contact and peristaltic pump by deionizationIn bottle, then divide flow rotor another mistake hour hands to rotate an angle of 90 degrees, tap hole and logical liquid exhaust joint and common contactBe communicated with, then the hole solution of 1/10 amount is imported in sample bottle, then divide flow rotor to clockwise rotate again 90Degree angle, repeats said process, through the control of 10 shunting samples, completes the sample instruction of control terminal,Wriggling part flow arrangement quits work automatically;
(5) discharging: set 3MPa/s～10MPa/s squeeze force loading speed at control terminal, carry out and control eventuallyThe discharging instruction of end, rotating shaft electric motor starts, and drives rotating shaft that turntable is clockwise rotated to 180 degree angles, and discharging seat turnsTo turntable groove, make dumping pit and test specimen groove form coaxial cooperation, oil cylinder rises, and concrete slag body is pressed by plungerEnter in slag body bucket, in concrete slag body is fallen into slag body bucket time, the force value vanishing of hydraulic press, now, oilCylinder oil return, oil cylinder declines, and cylinder body declines with Pressure Block, and plunger is deviate from from test specimen groove, oil cylinder oil return knotShu Hou, rotating shaft electric motor starts, and drives rotating shaft that turntable is clockwise rotated to 180 degree angles, and discharging seat is gone to cylinder bodyOutside, completes the discharging instruction of control terminal.
When sample, adopting precision is 0.001g electronic balance, and the error of at every turn shunting sample is0.001g～0.005g, for ensure that the error of shunting sample is not more than 5% at every turn, sets wriggling part flow arrangement eachThe amount of shunting leadout hole solution is not less than 0.1g, and shunting sample adds the amount of sample bottle as going using hole solutionIonized water adds the Rule of judgment of the amount of sample bottle, if the quantity not sufficient of the hole solution squeezing out is to carry out 10 times pointsFlow operation, triage operator stops in advance automatically.
In sample process, when peristaltic pump drives hole solution to flow out from fluid reservoir, also drive sample chamber, twoThe Air Flow of carbonoxide filter, passage, rubber tube, sealing drum and fluid reservoir, loses in expressing processStay hole solution in feeder and collection hole also with under air flow stream, enter in fluid reservoir, thereby ensure to squeeze outHole solution collected completely.
Beneficial effect of the present invention: concrete hole solution provided by the invention squeezes automatically, the device of sample and sideMethod, has realized the mechanical automation of concrete hole solution squeezing, in greatly improving convenience, has avoidedManual operation brings the error that may bring into; The present invention is by the unique design to apparatus structure, make sample chamber,Carbon dioxide filter, passage, rubber tube, sealing drum and fluid reservoir are under the effect of wriggling part flow arrangementForm the mobile enclosure space of gas circulation, the whole of carbon dioxide in squeezing, collection and sample environment are removedFall, thus the problem that can thoroughly avoid hole solution to be carbonized in collection process; Passage of the present invention and collectionGroove and collection hole are communicated with, and can make to realize air-flow from passage to feeder and the flowing of collection hole, and have avoidedHole solution is retained in the problem that cannot be collected in feeder and collection hole; The present invention arranges apsacline feeder,Only establish a collection hole, can make hole solution under the slope current of feeder, enter in collection hole, especially in holeWhen the pressing quantity thereof of solution is less, hole solution flows down with circulating current, enters in fluid reservoir, has solved at hole solutionWhen pressing quantity thereof is less, because feeder is left over collection hole bonding and caused hole solution loss maybe cannot collect holeThe problem of solution.
Brief description of the drawings
Fig. 1 is that concrete hole solution squeezes automatically, the device schematic diagram of sample.
Fig. 2 is hydraulic press and the hole solution pressing device schematic diagram of collection block while coordinating with turntable groove.
Fig. 3 is hydraulic press and the hole solution pressing device schematic diagram of discharging seat while coordinating with turntable groove.
Fig. 4 is hydraulic press and the hole solution pressing device schematic diagram that plunger separates with test specimen groove.
Fig. 5 is housing structure schematic diagram.
Fig. 6 is the lower section schematic diagram of Fig. 5 middle section B.
Fig. 7 is the lower section schematic diagram of Fig. 5 middle section C.
Fig. 8 is the lower section schematic diagram of Fig. 2 middle section A.
Fig. 9 is the lower section schematic diagram of Fig. 3 middle section A.
Figure 10 is turntable structure schematic diagram.
Figure 11 is wriggling part flow arrangement schematic diagram
Figure 12 is carbon dioxide filter schematic diagram
Being respectively labeled as in Fig. 1～Figure 12: 1 hydraulic press, 11 platens, 12 oil cylinders, 13 Pressure Blocks, 2 holes are moltenLiquid pressing device, 21 plungers, 22 cylinder bodies, 221 passages, 222 delivery holes, 223 test specimen grooves, 224 turnPlatform trough, 225 fluid reservoirs, 226 cylinder walls, 23 turntables, 231 discharging seats, 2311 dumping pits, 2312 slag bodiesBucket, 232 collection blocks, 2321 collection holes, 2322 feeders, 2323 filter tip mounting grooves, 2324 sealing drums,24 filter tips, 25 rotating shafts, 26 rotating shaft electric motors, 3 rubber tubes, 4 wriggling part flow arrangements, 41 points of flow rotors,411 tap holes, 42 water flowing joints, 43 logical liquid exhaust joints, 44 common contact, 45 peristaltic pumps, 5 samplesChamber, 6 carbon dioxide checkout gears, 7 carbon dioxide filters, 71 carbon dioxide filtering flasks, 72 hydroxidesSodium solution, 73 wireways, 8 water tanks, 9 deionized waters, 10 control terminals, 20 cables, 30 electronic balances,40 sample bottles, 50 concrete samples.
Detailed description of the invention
Concrete hole solution squeezes automatically, a device for sample, comprises hydraulic press 1, hole solution pressing device2, rubber tube 3, wriggling part flow arrangement 4, sample chamber 5, carbon dioxide checkout gear 6, carbon dioxide filterDevice 7, water tank 8, deionized water 9, control terminal 10, cable 20, electronic balance 30 and sample bottle 40,Described water tank 8, carbon dioxide checkout gear 6, electronic balance 30 and sample bottle 40 are located in sample chamber 5,Deionized water 9 is located in water tank 8, and described sample bottle 40 is placed on electronic balance 30; Described hydraulic press 1Be structure as a whole with hole solution pressing device 2, described hydraulic press 1, hole solution pressing device 2, the shunting of wrigglingDevice 4, carbon dioxide checkout gear 6 are connected with control terminal 10 by cable 20 with electronic balance 30,Control terminal 10 is by programmed instruction control hydraulic press 1, hole solution pressing device 2 and wriggling part flow arrangement 4Mechanical action, the gas concentration lwevel detecting is shown in control terminal 10 by carbon dioxide checkout gear 6Program interface in, electronic balance 30 sends the data that detect to control terminal 10, control terminal 10The data execution of program instructions of feeding back according to electronic balance 30;
Described hole solution pressing device 2, comprises plunger 21, cylinder body 22, filter tip 24, turntable 23, rotating shaft25 and rotating shaft electric motor 26, described cylinder body 22 comprises cylinder wall 226, test specimen groove 223, turntable groove 224 and storageLiquid chamber 225, test specimen groove 223, turntable groove 224 and fluid reservoir 225 are positioned in the middle of cylinder body 22, from top to bottom pass throughLogical arranging; Rotating shaft 25 is in cylinder wall 226, and rotating shaft 25 upper ends coordinate with rotating shaft electric motor 26, rotating shaftMotor 26 can drive rotating shaft 25 to rotate, and rotating shaft 25 drives turntable 23 to rotate; Described cylinder wall 226 is provided withPassage 221 and delivery hole 222, passage 221 is passed through by cylinder wall 226 outer surfaces on turntable groove 224 topsWear to turntable groove 224, delivery hole 222 is through to fluid reservoir in cylinder body 22 bottoms by cylinder wall 226 outer surfaces225, described fluid reservoir 225 is turbination cavity structure; Turntable 23 comprises collection block 232 and discharging seat231, the plan structure of collection block 232 and discharging seat 231 is the shape of the circle that two external diameters are equal and crossing,Rotating shaft 25 is positioned at the mid point of two circle center lines, and collection block 232 coordinates with turntable groove 224,231 of discharging seatsIn cylinder body 22 outsides, if rotating shaft 25 dextrorotation turnback angles, collaborative rotating shaft 25 Rotate 180s of turntable 23Degree angle, discharging seat 231 coordinates with turntable groove 224, and collection block 232 goes to cylinder body 22 outsides;
Described collection block 232 is provided with sealing drum 2324, feeder 2322, collection hole 2321 and filter tip and installsGroove 2323, feeder 2322 is connected with collection hole 2321, collection hole 2321 and filter tip mounting groove 2323Be connected, in the time that collection block 232 coordinates with turntable groove 224, feeder 2322 and described passage 221 phasesBe communicated with, sealing drum 2324 is connected with fluid reservoir 225, forms and the disconnected space of turntable groove 224; InstituteState discharging seat 231 and be provided with dumping pit 2311 and slag body bucket 2312, dumping pit 2311 is connected with slag body bucket 2312Logical, in the time that discharging seat 231 coordinates with turntable groove 224, the bottom surface of slag body bucket 2312 by slag body bucket 2312 with unloadSpace and the fluid reservoir 225 in material hole 2311 are isolated, thereby can avoid the slag body of concrete 50 by fluid reservoir225 pollute;
For avoiding hole solution in outflow process, because of the problem that wetting collection hole 2321 loses, described collectionSeat 232 only arranges a collection hole 2321, and collection hole 2321 is connected with feeder 2322, described collectionGroove 2322 is skewed slot, and the position degree of depth maximum being connected with collection hole 2321, from collection hole 2321 to collectionThe degree of depth that hoop extension is prolonged on groove 2322 both sides reduces gradually, and feeder 2322 is at 180 degree of collection hole 2321The degree of depth minimum of position, angle, the minimum place of feeder 2322 degree of depth is connected with passage 221;
Described filter tip 24 forms closely cooperating of detachable with described filter tip mounting groove 2323;
Described hydraulic press 1 comprises platen 11, oil cylinder 1212, Pressure Block 13, considers, molten at concrete holeHydraulic pressure squeezes after off-test, plunger 21 need to be extracted in test specimen groove 223, by described platen 11 with described inPlunger 21 is set to integrative-structure, and described Pressure Block 13 is set to integrative-structure with cylinder body 22;
Described wriggling part flow arrangement 4 comprises peristaltic pump 45, point flow rotor 41, water flowing joint 42, logical liquid exhaustJoint 43 and common contact 44, point flow rotor 41 can left-right rotation, and rotation amplitude is an angle of 90 degrees, point circulationIn 41, establish tap hole 411, tap hole 411 is a right angle pore structure, the two ends of tap hole 411 respectively withLogical liquid exhaust joint 43 and common contact 44 are connected, under the wriggling of peristaltic pump 45, can by hole solution byFluid reservoir 225 is directed in sample bottle 40 through delivery hole 222; If will divide flow rotor 41 to turn clockwise 90Degree angle, the two ends of tap hole 411 are connected with water flowing joint 42 and common contact 44 respectively, at peristaltic pumpUnder 45 wriggling, deionized water 9 can be directed in sample bottle 40 by water tank 8;
The casing of described sample chamber 5 for can freely opening and closing, in the time that sample chamber 5 is closed, inner only formationThe space being communicated with wireway 73 and wriggling part flow arrangement 4;
Described carbon dioxide filter 7, comprises carbon dioxide filtering flask 71 and wireway 73, according to hydrogen-oxygenChange the principle that sodium and carbon dioxide reaction generate sodium carbonate, in carbon dioxide filtering flask 71, hold NaOHSolution 72, wireway 73 is connected with sample chamber 5, and gas is imported in sample chamber 5 by wireway 73In sodium hydroxide solution 72 in carbon dioxide filtering flask 71, realize the object of removing carbon dioxide in gas;
Meanwhile, for detecting accurately and quickly the concentration value of sample chamber 5 interior carbon dioxide, described carbon dioxide detectsCheckout gear should be arranged at the region that flow rate of gas is larger, and the gas in sample chamber 5 is arranged through wireway 73Go out, therefore, carbon dioxide is detected to checkout gear and is arranged at the junction of sample chamber 5 and wireway 73;
Described sample chamber 5, carbon dioxide filter 7, passage 221, rubber tube 3, sealing drum 2324Can under the effect of wriggling part flow arrangement 4, form the mobile space of gas circulation with fluid reservoir 225, thus can be byCarbon dioxide in concrete hole solution squeezing, collection and sample environment is removed clean;
The programmed instruction of described control terminal 10 comprises charging, de-carbon, squeezing, sample and discharging, described dressMaterial is that concrete sample 50 is placed in after test specimen groove 223, and hydraulic press 1 starts, and cylinder body 22 rises, plungerIn 21 insertion test specimen grooves 223, to contacting with concrete sample 50, described de-carbon is to make sample chamber 5, dioxyChange carbon filter 7, passage 221, rubber tube 3, sealing drum 2324, fluid reservoir 225 and the shunting of wrigglingCarbon dioxide in the connected space of device 4 is removed, and described squeezing is by the hole solution in concrete sample 50Out, hole solution flows in fluid reservoir 225 after filter tip 24 filters in squeezing, and described sample is by hole solutionMix according to the ratio of setting with deionized water 9, described discharging is by the concrete sample 50 after squeezingSlag body from the interior discharge of test specimen groove 223, enter in slag body bucket 2312.
A kind of concrete hole solution of the present invention squeezes automatically, the method for sample, comprises the steps:
(1) charging: concrete sample is placed in to test specimen groove 223, carries out the charging instruction of control terminal 10,Oil cylinder 1212 oil supply, Pressure Block 13 rises with the cylinder body 22 of hole solution pressing device 2, plunger 21 and test specimenGroove 223 forms close gastight cooperation, and in the time that plunger 21 contacts with concrete sample, oil cylinder 12 stops oil supply,Complete the charging instruction of control terminal 10;
(2) de-carbon: carry out the de-carbon instruction of control terminal 10, wriggling part flow arrangement 4 starts automatically, shuntingHole 411 is communicated with logical liquid exhaust joint 43 and common contact 44, under the wriggling of peristaltic pump 45, makes liquid storageChamber 225, sealing drum 2324, collection hole 2321, feeder 2322, passage 221 and carbon dioxide filterGas in bottle 71 imports in sample chamber 5, produces negative pressure, and meanwhile, the interior generation malleation in sample chamber 5, at gasUnder the effect of pressure reduction, gas is entered in carbon dioxide filter 7 by wireway 73, the titanium dioxide in gasCarbon and sodium hydroxide solution 72 produce chemical reaction and generate sodium carbonate, and carbon dioxide is removed by reaction, is removedThe gas of carbon dioxide is entered in described passage 221 through rubber tube 3 by carbon dioxide filtering flask 71, then warpFeeder 2322, collection hole 2321, filter tip 24 enter in sealing drum 2324 and fluid reservoir 225, according toSaid process, forms sample chamber 5, carbon dioxide filter 7, passage 221, rubber tube 3, sealing drum2324 and the flow circuit of fluid reservoir 225 and wriggling part flow arrangement 4 interior air, in this process, titanium dioxideCarbon checkout gear 6 continues to detect airborne carbon dioxide content, and shows respective counts on control terminal 10Value, in the time that the concentration value of carbon dioxide is zero, peristaltic pump 45 quits work automatically, completes control terminal 10De-carbon instruction;
(3) squeezing: control terminal 10 set squeeze force be 800MPa, loading speed be 0.5MPa/s,Dwell time is 10min, carries out the squeezing instruction of control terminal 10, and oil cylinder 12 adds according to the squeeze force of settingCarry speed and rise, make plunger 21 extruded concrete test specimens, the hole solution in concrete sample is squeezed out,Flow into feeder 2322, then flow in filter tip 24 through collection hole 2321, hole solution filters through filter tip 24In rear inflow fluid reservoir 225, hydraulic press 1 makes squeeze force reach 1000MPa according to the loading speed of 1MPa/sRear pressurize 10min, hydraulic press 1 stops squeezing automatically;
(4) sample: set sample ratio and the sample amount of hole solution and deionized water 9 at control terminal 10,Carry out sample instruction, peristaltic pump 45 is started working automatically, tap hole 411 and logical liquid exhaust joint and public connecing44 are communicated with, and under the wriggling of peristaltic pump 45, hole solution is exported by fluid reservoir 225, through peristaltic pump 45,Logical liquid exhaust joint 43, tap hole 411 and common contact 44 flow in sample bottle 40, sample bottle 40 mesoporesSolution influx is 1/10 o'clock of sample amount, and electronic balance 30 feeds back to the weight data of hole solution to control eventuallyEnd 10, a point flow rotor 41 clockwise rotates an angle of 90 degrees, tap hole 411 and water flowing joint 42 and common contact44 are communicated with, and according to sample ratio, the deionization of respective quality are derived by water tank 8, flow in sample bottle 40,Then divide flow rotor 41 rotating counterclockwise an angle of 90 degrees, tap hole 411 and logical liquid exhaust joint 43 and publicJoint 44 is communicated with, then the hole solution of 1/10 amount is imported in sample bottle 40, then divides flow rotor 41 up time againPin rotates an angle of 90 degrees, repeats said process, through 10 flow-dividing control, completes the sample of control terminal 10Instruction, wriggling part flow arrangement 4 quits work automatically;
When sample, adopt the electronic balance 30 that precision is 0.001g, the error of at every turn shunting sample is0.001g～0.005g, for ensure that the error of shunting sample is not more than 5% at every turn, sets wriggling part flow arrangement 4 everyThe amount of inferior shunting leadout hole solution is not less than 0.1g, and shunting sample adds the amount of sample bottle 40 to do with hole solutionFor deionized water 9 adds the Rule of judgment of the amount of sample bottle 40, if the quantity not sufficient of the hole solution squeezing out is to enter10 triage operators of row, triage operator stops in advance automatically;
In sample process, when peristaltic pump 45 drives hole solution to flow out from fluid reservoir 225, also drive and joinSpecimen chamber 5, carbon dioxide filter 7, passage 221, rubber tube 3, sealing drum 2324 and fluid reservoir 225Air Flow, in expressing process, be retained in hole solution in feeder 2322 and collection hole 2321 also with air-flowFlow down, enter in fluid reservoir 225, thereby ensure that the hole solution squeezing out is collected completely;
(5) discharging: set the squeeze force loading speed of 5MPa/s at control terminal 10, carry out control terminal10 discharging instruction, rotating shaft electric motor 26 starts, and drives rotating shaft 25 that turntable 23 is clockwise rotated to 180 degree angles,Discharging seat 231 goes in turntable groove 224, makes dumping pit 2311 and test specimen groove 223 form coaxial cooperation, oilCylinder 12 rises, and concrete slag body is pressed in slag body bucket 2312 by plunger 21, when concrete slag body is fallen into slag bodyWhen bucket 2312 is interior, the force value vanishing of hydraulic press 1, now, and oil cylinder 12 oil returns, oil cylinder 12 declines,Cylinder body 22 declines with Pressure Block 13, and plunger 21 is deviate from from test specimen groove 223, and oil cylinder 12 oil returns finishAfter, rotating shaft electric motor 26 starts, and drives rotating shaft 25 that turntable 23 is clockwise rotated to 180 degree angles, by discharging seat231 go to cylinder body 22 outsides, complete the discharging instruction of control terminal 10.
Embodiment
Adopt apparatus and method of the present invention to carry out squeezing and the sample test of concrete hole solution:
Open the control program of control terminal, it is 800MPa that squeeze force is set, and loading speed 0.5MPa/s protectsPressure time 10min; The sample ratio that hole solution and deionized water are set is 1:4, and sample amount is hole solution10.000g, deionized water 40.000g, the hole solution amount of at every turn shunting sample is 1.000g; Discharging is setSqueeze force loading speed is 5MPa/s;
Make concrete sample be placed in test specimen groove, carry out the charging instruction of control terminal, on Pressure Block and cylinder bodyRise, plunger forms close gastight cooperation with test specimen groove, and in the time that plunger contacts with concrete sample, oil cylinder stopsOil supply, completes the charging instruction of control terminal;
Carry out the de-carbon instruction of control terminal, wriggling part flow arrangement starts automatically, has bubble to filter from carbon dioxideIn the sodium hydroxide solution of bottle, emerge, the gas concentration lwevel value that control terminal shows is declined gradually by 360ppm,In the time that on display screen, gas concentration lwevel value is 0ppm, peristaltic pump quits work, and next step behaviour is carried out in promptingDo;
Carry out the squeezing instruction of control terminal, Pressure Block and cylinder body rise, and make plunger press concrete sample, pressAccording to the loading speed of 0.5MPa/s, be loaded on gradually 800MPa, after pressurize 10min, control terminal point out intoThe operation of row sample;
Carry out the sample instruction of control terminal, wriggling part flow arrangement starts automatically, and hole solution flows in sample bottle,Control terminal shows that the quality of hole solution is 1.002g, point flow rotor an angle of 90 degrees that automatically turns clockwise, go fromSub-water flows in sample bottle, and the liquid quality in the sample bottle that control terminal shows is 5.006g, now shuntingRotary head automatic reversal hour hands 90-degree rotation angle, hole solution flows in sample bottle again, and control terminal shows sample bottleIn liquid quality be 6.003g, now, point flow rotor an angle of 90 degrees that again automatically turns clockwise, deionizationWater flows in sample bottle, and after 10 times, the liquid quality in hole solution sample bottle is shown as 50.028g so repeatedly,Complete this sample work;
In control terminal programming, amendment sample parameter is: the sample ratio of hole solution and deionized water is1:3, sample amount is hole solution 20.000g, deionized water 60.000g, the hole solution amount of at every turn shunting sample is2.000g；
Again carry out the sample instruction of control terminal, wriggling part flow arrangement starts automatically, and hole solution flows into sample bottleIn, control terminal shows that the quality of hole solution is 2.003g, point flow rotor an angle of 90 degrees that automatically turns clockwise,Deionized water flows in sample bottle, and the liquid quality in the sample bottle that control terminal shows is 8.004g, nowDivide flow rotor automatic reversal hour hands 90-degree rotation angle, hole solution flows in sample bottle again, and control terminal shows and joinsLiquid quality in sample bottle is 10.001g, now, and point flow rotor an angle of 90 degrees that again automatically turns clockwise,Deionized water flows in sample bottle, and after 8 times, while carrying out the 9th shunting sample, hole solution flows into so repeatedlyIn blake bottle, the liquid quality in the sample bottle that control terminal shows is 65.125g, after 30s, and sample bottleThe quality of middle liquid is unchanged, i.e. the 9th shunting be when sample, hole solution is not enough 2.000g, now, pointThe flow rotor an angle of 90 degrees that again automatically turns clockwise, deionized water flows in sample bottle, according to the 9th Kong RongThe addition of liquid, adds the deionized water of respective quality in proportion, the liquid in the sample bottle that control terminal showsQuality is 68.508g, and wriggling part flow arrangement quits work automatically, completes this sample work.
Carry out the discharging instruction of control terminal, rotating shaft electric motor starts, and drives rotating shaft that turntable is clockwise rotated to 180Degree angle, discharging seat goes in turntable groove, and oil cylinder rises, and plunger forms squeezed state to concrete slag body, controlsThe force value that terminal shows rises to 78MPa by 0MPa according to the speed of 5MPa/s, then, and concrete slag bodyMoved down by sliding cylinder extrusion, the force value that control terminal shows declines rapidly, until concrete slag body is fallen into slagIn body bucket time, the force value of hydraulic press becomes 0MPa, now, oil cylinder oil return, oil cylinder declines, and cylinder body is with holdingWedge declines together, and plunger is deviate from from test specimen groove, and after oil cylinder oil return finishes, rotating shaft electric motor starts automatically, bandTurntable is clockwise rotated 180 degree angles by moving rotating shaft, and discharging seat is gone to cylinder body outside, completes unloading of control terminalMaterial instruction.
Claims (7)
- Concrete hole solution automatically squeeze, the device of sample, it is characterized in that: comprise hydraulic press (1), hole solution pressing device (2), rubber tube (3), wriggling part flow arrangement (4), sample chamber (5), carbon dioxide checkout gear (6), carbon dioxide filter (7), water tank (8), deionized water (9), control terminal (10), cable (20), electronic balance (30) and sample bottle (40);Described water tank (8), carbon dioxide checkout gear (6), electronic balance (30) and sample bottle (40) are located in sample chamber (5), and deionized water (9) is located in water tank (8), and described sample bottle (40) is placed on electronic balance (30); Described hydraulic press (1) is structure as a whole with hole solution pressing device (2); Described hydraulic press (1), hole solution pressing device (2), wriggling part flow arrangement (4), carbon dioxide checkout gear (5) and electronic balance (30) are connected with control terminal (10) by cable (20), and control terminal (10) is by the mechanical action of programmed instruction control hydraulic press (1), hole solution pressing device (2) and wriggling part flow arrangement (4); Carbon dioxide checkout gear (5) is shown in the gas concentration lwevel detecting in the program interface of control terminal (10), electronic balance (30) sends the data that detect to control terminal (10), and control terminal (10) is according to the data execution of program instructions of electronic balance (30) feedback;Described hole solution pressing device (2) comprises plunger (21), cylinder body (22), filter tip (24), turntable (23), rotating shaft (25) and rotating shaft electric motor (26);Described cylinder body (22) comprises cylinder wall (226), test specimen groove (223), turntable groove (224) and fluid reservoir (225), and test specimen groove (223), turntable groove (224) and fluid reservoir (225) are positioned in the middle of cylinder body (22), from top to bottom disposed therethrough; Described cylinder wall (226) is provided with passage (221) and delivery hole (222), passage (221) is through to turntable groove (224) on turntable groove (224) top by cylinder wall (226) outer surface, and delivery hole (222) is through to fluid reservoir (225) in cylinder body (22) bottom by cylinder wall (226) outer surface; Described rotating shaft (25) is in cylinder wall (226), and rotating shaft (25) upper end coordinates with rotating shaft electric motor (26), and rotating shaft electric motor (26) can drive rotating shaft (25) to rotate, and rotating shaft (25) drives turntable (23) to rotate;Described turntable (23) comprises collection block (232) and discharging seat (231), the plan structure of collection block (232) and discharging seat (231) is the shape of the circle that two external diameters are equal and crossing, rotating shaft (25) is positioned at the mid point of two circle center lines, collection block (232) coordinates with turntable groove (224), discharging seat (231) is positioned at cylinder body (22) outside, if rotating shaft (25) dextrorotation turnback angle, collaborative rotating shaft (25) the Rotate 180 degree of turntable (23) angle, discharging seat (231) coordinates with turntable groove (224), collection block (232) goes to cylinder body (22) outside, described collection block (232) is provided with sealing drum (2324), feeder (2322), collection hole (2321) and filter tip mounting groove (2323), feeder (2322) is connected with collection hole (2321), collection hole (2321) is connected with filter tip mounting groove (2323), in the time that collection block (232) coordinates with turntable groove (224), feeder (2322) is connected with described passage (221), sealing drum (2324) is connected with fluid reservoir (225), forms and the disconnected space of turntable groove (224), described discharging seat (231) is provided with dumping pit (2311) and slag body bucket (2312), dumping pit (2311) is connected with slag body bucket (2312), in the time that discharging seat (231) coordinates with turntable groove (224), the bottom surface of slag body bucket (2312) is by the space of slag body bucket (2312) and dumping pit (2311) and fluid reservoir (225) isolation,Described hydraulic press (1) comprises platen (11), oil cylinder (12), Pressure Block (13), and described platen (11) is set to integrative-structure with described plunger (21), and described Pressure Block (13) is set to integrative-structure with cylinder body (22);Described wriggling part flow arrangement (4) comprises peristaltic pump (45), point flow rotor (41), water flowing joint (42), logical liquid exhaust joint (43) and common contact (44), point flow rotor (41) can left-right rotation, rotation amplitude is an angle of 90 degrees, divide in flow rotor (41) and establish tap hole (411), tap hole (411) is a right angle pore structure, and the two ends of tap hole (411) are connected with logical liquid exhaust joint (43) and common contact (44) respectively;Described carbon dioxide filter (7), comprises carbon dioxide filtering flask (71) and wireway (73), holds sodium hydroxide solution (72) in carbon dioxide filtering flask (71), and wireway (73) is connected with sample chamber (5);The casing of described sample chamber (5) for can freely opening and closing, in the time that sample chamber (5) are closed, the inner space being only communicated with wireway (73) and wriggling part flow arrangement (4) that forms;The programmed instruction of described control terminal (10) comprises charging, de-carbon, squeezing, sample and discharging;Described sample chamber (5), carbon dioxide filter (7), passage (221), rubber tube (3), sealing drum (2324) and fluid reservoir (225) can form the mobile enclosure space of gas circulation under the effect of wriggling part flow arrangement (4).
- A kind of concrete hole solution according to claim 1 automatically squeeze, the device of sample, it is characterized in that, described fluid reservoir (225) is turbination cavity structure.
- 3. a kind of concrete hole solution according to claim 2 squeezes automatically, the device of sample, it is characterized in that, described collection block (232) only arranges a collection hole (2321), collection hole (2321) is connected with feeder (2322), described feeder (2322) is skewed slot, the position degree of depth maximum being connected with collection hole (2321), the degree of depth of prolonging hoop extension from collection hole (2321) to feeder (2322) both sides reduces gradually, feeder (2322) is in the degree of depth minimum of collection hole (2321) 180 degree positions, angle, the minimum place of feeder (2322) degree of depth is connected with passage (221).
- A kind of concrete hole solution according to claim 3 automatically squeeze, the device of sample, it is characterized in that, described filter tip (24) forms closely cooperating of detachable with described filter tip mounting groove (2323).
- A kind of concrete hole solution according to claim 4 automatically squeeze, the device of sample, it is characterized in that, described carbon dioxide checkout gear (6) is arranged at the junction of sample chamber (5) and wireway (73).
- 6. the concrete hole solution installing described in right to use requirement 5 squeezes automatically, a method for sample, it is characterized in that, comprises the steps:(1) charging: concrete sample (50) is placed in to test specimen groove (223), carry out the charging instruction of control terminal (10), oil cylinder (12) oil supply, Pressure Block (13) rises with the cylinder body (22) of hole solution pressing device (2), plunger (21) forms close gastight cooperation with test specimen groove (223), in the time that plunger (21) contacts with concrete sample (50), oil cylinder (12) stops oil supply, completes the charging instruction of control terminal (10);(2) de-carbon: carry out the de-carbon instruction of control terminal (10), wriggling part flow arrangement (4) starts automatically, tap hole (411) is communicated with logical liquid exhaust joint (43) and common contact (44), under the wriggling of peristaltic pump (45), make fluid reservoir (225), sealing drum (2324), collection hole (2321), feeder (2322), gas in passage (221) and carbon dioxide filtering flask (71) imports in sample chamber (5), produce negative pressure, simultaneously, in sample chamber (5), produce malleation, under the effect of draught head, gas is entered in carbon dioxide filter (7) by wireway (73), carbon dioxide in gas and sodium hydroxide solution (72) produce chemical reaction and generate sodium carbonate, carbon dioxide is removed by reaction, the gas that is removed carbon dioxide is entered in described passage (221) through rubber tube (3) by carbon dioxide filtering flask (71), again through feeder (2322), collection hole (2321), filter tip (24) enters in sealing drum (2324) and fluid reservoir (225), according to said process, form sample chamber (5), carbon dioxide filter (7), passage (221), rubber tube (3), the flow circuit of sealing drum (2324) and fluid reservoir (225) and the interior air of wriggling part flow arrangement (4), in this process, carbon dioxide checkout gear (6) continues to detect airborne carbon dioxide content, and in the upper respective value that shows of control terminal (10), in the time that the concentration value of carbon dioxide is zero, peristaltic pump (45) quits work automatically, complete the de-carbon instruction of control terminal (10),(3) squeezing: setting squeeze force at control terminal (10) is 100MPa ~ 1500MPa, loading speed is that 0.1MPa/s ~ 3MPa/s and dwell time are 1min ~ 30min, carry out the squeezing instruction of control terminal (10), oil cylinder (12) rises according to the squeeze force loading speed of setting, make plunger (21) extruded concrete test specimen (50), hole solution in concrete sample (50) is squeezed out, flow into feeder (2322), flow in filter tip (24) through collection hole (2321) again, hole solution flows in fluid reservoir (225) after filter tip (24) filters, hydraulic press (1) is according to the squeeze force of setting, loading speed and dwell time complete after squeezing instruction, hydraulic press (1) stops squeezing automatically,(4) sample: sample ratio and the sample amount of setting hole solution and deionized water (9) at control terminal (10), carry out sample instruction, peristaltic pump (45) is started working automatically, tap hole (411) is communicated with logical liquid exhaust joint (43) and common contact (44), under the wriggling of peristaltic pump (45), hole solution by fluid reservoir (225) through delivery hole (222), rubber tube (3), logical liquid exhaust joint (43), tap hole (411), common contact (44) and peristaltic pump (45) flow in sample bottle (40), sample bottle (40) mesopore solution influx is 1/10 o'clock of sample amount, the weight data of hole solution is fed back to control terminal (10) by electronic balance (30), control terminal (10) assigns instruction to wriggling part flow arrangement (4), make a point flow rotor (41) clockwise rotate an angle of 90 degrees, tap hole (411) is communicated with water flowing joint (42) and common contact (44), according to sample ratio, by deionization by water tank (8) through rubber tube (3), water flowing joint (42), common contact (44) and peristaltic pump (45) are directed in sample bottle (40), then divide flow rotor (41) to rotate counterclockwise again an angle of 90 degrees, tap hole (411) is communicated with logical liquid exhaust joint (43) and common contact (44), again the hole solution of 1/10 amount is imported in sample bottle (40), then divide flow rotor (41) to clockwise rotate again an angle of 90 degrees, repeat said process, through the control of 10 shunting samples, complete the sample instruction of control terminal (10), wriggling part flow arrangement (4) quits work automatically,(5) discharging: set 3MPa/s ~ 10MPa/s squeeze force loading speed at control terminal (10), carry out the discharging instruction of control terminal (10), rotating shaft electric motor (26) starts, drive rotating shaft (25) that turntable (23) is clockwise rotated to 180 degree angles, discharging seat (231) goes in turntable groove (224), make dumping pit (2311) and test specimen groove (223) form coaxial cooperation, oil cylinder (12) rises, concrete slag body is pressed in slag body bucket (2312) by plunger (21), in concrete slag body is fallen into slag body bucket (2312) time, the force value vanishing of hydraulic press (1), now, oil cylinder (12) oil return, oil cylinder (12) declines, cylinder body (22) declines with Pressure Block (13), plunger (21) is deviate from from test specimen groove (223), after oil cylinder (12) oil return finishes, rotating shaft electric motor (26) starts, drive rotating shaft (25) that turntable (23) is clockwise rotated to 180 degree angles, discharging seat (231) is gone to cylinder body (22) outside, complete the discharging instruction of control terminal (10).
- 7. a kind of concrete hole solution according to claim 6 squeezes automatically, the method of sample, it is characterized in that, when sample, adopting precision is 0.001g electronic balance (30), the error of each shunting sample is 0.001g ~ 0.005g, the amount that wriggling part flow arrangement (4) is shunted leadout hole solution is at every turn not less than 0.1g, and shunting sample adds the amount of sample bottle (40) to add the Rule of judgment of the amount of sample bottle (40) as deionized water (9) using hole solution, if the quantity not sufficient of the hole solution squeezing out is to carry out triage operator 10 times, triage operator stops in advance automatically.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840796A (en) * | 2017-01-22 | 2017-06-13 | 东南大学 | A kind of low water binder ratio concrete liquid phase extraction element and method |
| CN108760615A (en) * | 2018-03-07 | 2018-11-06 | 宁夏大学 | A kind of simulating natural condition bituminous concrete tester |
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| CN108760615A (en) * | 2018-03-07 | 2018-11-06 | 宁夏大学 | A kind of simulating natural condition bituminous concrete tester |
| CN108760615B (en) * | 2018-03-07 | 2024-04-16 | 宁夏大学 | Asphalt concrete tester simulating natural conditions |
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