CN105606792B - A kind of concrete hole solution is squeezed automatically, the device and method of sample - Google Patents
A kind of concrete hole solution is squeezed automatically, the device and method of sample Download PDFInfo
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- CN105606792B CN105606792B CN201511028316.2A CN201511028316A CN105606792B CN 105606792 B CN105606792 B CN 105606792B CN 201511028316 A CN201511028316 A CN 201511028316A CN 105606792 B CN105606792 B CN 105606792B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 182
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 89
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims abstract description 46
- 239000008367 deionised water Substances 0.000 claims abstract description 26
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 50
- 238000012360 testing method Methods 0.000 claims description 38
- 239000002893 slag Substances 0.000 claims description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 32
- 230000002572 peristaltic effect Effects 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 18
- 238000011068 loading method Methods 0.000 claims description 13
- 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 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000002242 deionisation method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000004941 influx Effects 0.000 claims description 3
- 241000790917 Dioxys <bee> Species 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 4
- 229960004424 carbon dioxide Drugs 0.000 description 71
- 239000003921 oil Substances 0.000 description 28
- 239000007789 gas Substances 0.000 description 23
- 238000010586 diagram Methods 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000004568 cement Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000010727 cylinder oil Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910002090 carbon oxide Inorganic materials 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009736 wetting Methods 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
Squeezed automatically the invention discloses a kind of concrete hole solution, the apparatus and method of sample, the device includes hydraulic press, hole solution pressing device, rubber tube, wriggling part flow arrangement, with specimen chamber, carbon dioxide detection device, carbon dioxide filter, water tank, deionized water, control terminal, cable, electronic balance and sample bottle, the hydraulic press is structure as a whole with hole solution pressing device, the hydraulic press, hole solution pressing device, wriggling part flow arrangement, carbon dioxide detection device and electronic balance are connected by cable with control terminal, control terminal controls hydraulic press by programmed instruction, the mechanical action of hole solution pressing device and wriggling part flow arrangement, complete charging, except carbon, squeezing, the overall process mechanization of sample and discharging is automatically brought into operation.The present invention realizes the squeezing of concrete hole solution Non-carbonized, collects and sample, for the research of concrete hole solution provides the experimental rig and method of a kind of science.
Description
Technical field
The present invention relates to cement and concrete material scientific domain, and in particular to a kind of concrete hole solution squeezes automatically,
The device and method of sample.
Background technology
, used as an important component in concrete system, the performance with concrete is closely bound up, phase for concrete hole solution
The important topic that research has become cement concrete material scientific domain fundamental research is closed, such as in hydrated cementitious, alkali
Study mechanism in terms of aggregate reaction, steel bar corrosion, and the cement concrete material performance impact mechanism such as chemical addition agent etc.
The research of aspect, hole solution serves as important role.Obtain or the method for reinforcing steel is numerous, but by pressure
The method of squeezing collection concrete hole solution have received domestic and foreign scholars and be widely recognized as, although right in current published technology
The method for squeezing concrete hole solution has many descriptions, but still suffers from some insoluble problems.
In the prior art, the squeezing of hole solution, collection and sample are artificial operations, because hole solution pressing device is
Metal structure, more heavy, experimenter is in operation, cumbersome and time consuming, and operating efficiency is relatively low, and easily in operation
During bring other detrimental effect factors into, for example, during sample hole solution lose or be carbonized.It is molten in concrete hole
During the collection of liquid and sample, the carbonization for thoroughly solving the problems, such as hole solution is always a technical barrier for being difficult to tackle key problems, though
Right prior art discloses the technical measures for avoiding hole solution carbonization of correlation, but the Resolving probiems that will thoroughly not be carbonized yet.Patent
ZL200920236021.8 discloses a kind of device of high-pressure extraction of hardened cement paste porous liquor, and it is provided with takes out in a device
Device of air, but air extractor can only be evacuated to its collecting chamber, when negative pressure reaches balance, its collecting tank and concrete sample
Also balance is reached in subnormal ambient, in the absence of the drainage of pressure differential or air flow, causes subnormal ambient to improving hole solution
Collection efficiency effect is little, while the patent also excludes the carbon dioxide in collecting chamber using nitrogen, but cannot exclude receipts
Carbon dioxide in collection groove and collection hole, and when pumping is stopped, outside air backflow causes carbon dioxide to enter collecting chamber
In；Patent ZL201420844839.9 discloses a set of cement-based material hole solution pressure and takes device, and the patent also uses anti-carbon
Change design, its anti-carbonization is to lead to nitrogen from collecting chamber by before squeezing experiment, disposable to exclude test specimen groove, collecting tank, receipts
Air in collection hole and collecting chamber, then carries out squeezing experiment again, but in operation, is vented in laboratory not by nitrogen
Convenient operation, and when exclusion is finished, when concrete sample is positioned over into test specimen groove, unavoidably bring inside device air into；Patent
ZL200920236021.8 and ZL201420844839.9 employs collecting tank and four receipts in the collection block of experimental rig
Collect the design in hole, it is ensured that hole solution can be effective flowed into collection hole after being extruded out and flowing into collecting tank, but work as hole
When the pressing quantity thereof of solution is more, collecting tank and the air collected in hole are discharged by hole solution, when hole solution flows out, cause collecting tank
Interior generation tiny structure, prevents the further outflow of hole solution, causes a large amount of hole solutions to be trapped in collecting tank and collection hole, and
When hole solution pressing quantity thereof is less, still there is part hole solution to be retained in collecting tank unavoidably, and hole solution is flowed through when collecting hole, portion
Dividing hole solution can be bonded in collection hole and collecting tank, and when collection hole number is more, hole solution is bonded in the amount collected in hole also
More, especially in the case of the concrete sample squeezing hole solution of long-age or low water binder ratio, hole solution pressing quantity thereof is less, leads
Pore solution collecting amount is less, or even cannot be collected into hole solution；The patent of Application No. 200410066554.8 discloses one
The device of kind of high pressure collecting hardened concrete hole solution, it to sump pit (collecting tank) and is not dredged the carbon dioxide of pipe and arranges
Remove, it uses syringe as the collection device of hole solution, age and glue due to concrete squeezing experimental evidence concrete
Than different, the time is squeezed at 10 minutes to 60 minutes, syringe extraction operation generally requires repeatedly exhaust, and collects
To hole solution still need to filter again, without good operability.
Therefore, it is solution problem above, it is still necessary to further work, improves squeezing and the sample of concrete hole solution
Convenience, it is ensured that concrete hole solution science squeezing, collect and sample, for cement concrete the reach of science provides reliably
Guarantee and strong support.
The content of the invention
Based on the above, to solve following technical problem：(1) existing concrete hole solution pressing device is heavier,
Needs are manually moved back and forth, and squeezing and collection work are wasted time and energy；(2) carbon dioxide that hole solution is collected in environment is difficult to thoroughly
Exclude, (3) hole solution is easily left in collecting tank causes the collecting amount of hole solution few, is particularly due to the surface tension and receipts of water
Tiny structure in collection groove causes hole solution to be difficult to flow out in being suspended in collection hole, when hole solution pressing quantity thereof is less, due to collecting
Groove is left and is collected hole and bonds and cause hole solution amount few, or even cannot be collected into hole solution.The present invention is beneficial in prior art
On the basis of effect, by carrying out integrated design to hydraulic press and hole solution pressing device, and the wriggling of design specialized is shunted
Device and carbon dioxide filter, and innovative design hole solution pressing device a series of technological means such as construction, there is provided
A kind of concrete hole solution is squeezed automatically, the device and method of sample, is specifically realized in：
Squeezed automatically the invention provides a kind of concrete hole solution, the device of sample, including hydraulic press, hole solution squeezing
Device, rubber tube, wriggling part flow arrangement, with specimen chamber, carbon dioxide detection device, carbon dioxide filter, water tank, deionization
Water, control terminal, cable, electronic balance and sample bottle；
In sample room, deionized water is located at water for the water tank, carbon dioxide detection device, electronic balance and sample bottle
In case, the sample bottle is placed on electronic balance；The hydraulic press is structure as a whole with hole solution pressing device；The hydraulic pressure
Machine, hole solution pressing device, wriggling part flow arrangement, carbon dioxide detection device and electronic balance are connected by cable and control terminal
Connect, control terminal controls the mechanical action of hydraulic press, hole solution pressing device and wriggling part flow arrangement by programmed instruction；Dioxy
The gas concentration lwevel that change carbon detection means will be detected is shown in the program interface of control terminal, and electronic balance will be detected
Data send control terminal, the data execute program instructions that control terminal feeds back according to electronic balance to；
The hole solution pressing device includes plunger, cylinder body, filter tip, turntable, rotating shaft and rotating shaft electric motor；
The cylinder body includes cylinder wall, test specimen groove, turntable groove and fluid reservoir, and test specimen groove, turntable groove and fluid reservoir are located at cylinder
In the middle of body, from top to bottom disposed therethrough；The cylinder wall is provided with passage and delivery hole, and passage is on turntable groove top by cylinder
Body wall outer surface is through to turntable groove, and delivery hole is through to fluid reservoir in inferior part of the cylinder block by cylinder wall outer surface；The rotating shaft is passed through
It is through in cylinder wall, rotating shaft upper end coordinates with rotating shaft electric motor, rotating shaft electric motor can drive axis of rotation, rotating shaft drives turntable to rotate；
The turntable includes collection block and discharging seat, and the plan structure of collection block and discharging seat is in two external diameters are equal and phase
The shape of the circle of friendship, rotating shaft is located at the midpoint of two circle center lines, and collection block coordinates with turntable groove, and discharging seat is located at cylinder body outside,
If rotating shaft dextrorotation turnback angle, turntable collaboration rotating shaft rotation 180 degree angle, then discharging seat and the cooperation of turntable groove, collection block turns
To cylinder body outside；The collection block is provided with sealing drum, collecting tank, collection hole and filter tip mounting groove, collecting tank and collection hole phase
Connection, collects hole and is connected with filter tip mounting groove, and when collection block and turntable groove coordinate, collecting tank is connected with the passage
Logical, sealing drum is connected with fluid reservoir, is formed and the disconnected space of turntable groove；The discharging seat is provided with dumping pit and slag body
Bucket, dumping pit and slag body bucket is connected, and when discharging seat coordinates with turntable groove, the bottom surface of slag body bucket is by slag body bucket and dumping pit
Space isolates with fluid reservoir, such that it is able to avoid concrete slag body by liquid storage chamber contamination；
The hydraulic press includes platen, oil cylinder, Pressure Block, it is contemplated that, after concrete hole solution squeezing off-test, need
Plunger is extracted from test specimen groove, the platen is set with the plunger and is structure as a whole, the Pressure Block sets with cylinder body
Set as one structure；
The wriggling part flow arrangement includes peristaltic pump, shunting rotary head, water flowing joint, logical liquid exhaust joint and common contact,
Shunting rotary head can left-right rotation, rotation amplitude is an angle of 90 degrees, and tap hole is set in shunting rotary head, and tap hole is corner apertures structure always,
The two ends of tap hole are connected with logical liquid exhaust joint and common contact respectively, under the wriggling of peristaltic pump, can by hole solution by
Fluid reservoir is directed into sample bottle；If shunting rotary head is turned clockwise an angle of 90 degrees, the two ends of tap hole connect with water flowing respectively
Head is connected with common contact, under the wriggling of peristaltic pump, deionized water can be directed into sample bottle by water tank；
The carbon dioxide filter, including carbon dioxide filtering flask and wireway, according to sodium oxide molybdena and carbon dioxide
The principle of reaction generation sodium carbonate, holds sodium hydroxide solution in carbon dioxide filtering flask, and wireway is connected with specimen chamber,
Gas, from being imported into sample room in the sodium hydroxide solution in carbon dioxide filtering flask, is realized removing two in gas by wireway
The purpose of carbonoxide；
Described is the casing that can freely open and close with specimen chamber, when being closed with specimen chamber, be internally formed only with wireway
The space connected with wriggling part flow arrangement；
Including charging, except carbon, squeezing, sample and discharging, the charging is by coagulation to the programmed instruction of the control terminal
After native test specimen is placed in test specimen groove, hydraulic press starts, and cylinder body rises, and is extremely contacted with concrete sample in plunger insertion test specimen groove,
It is described except carbon be will make with specimen chamber, carbon dioxide filter, passage, rubber tube, sealing drum, fluid reservoir and wriggle shunting dress
Carbon dioxide in the connected space put is removed, and the squeezing is to squeeze out the hole solution in concrete sample to come, hole solution
Flowed into fluid reservoir after being filtered through filter tip, the sample is to mix hole solution and deionized water according to set proportion, institute
It is that will be discharged from test specimen groove by the concrete slag body after squeezing to state discharging, into slag body bucket；
It is described to be shunted wriggling with specimen chamber, carbon dioxide filter, passage, rubber tube, sealing drum and fluid reservoir
The closing space of gas circulating flow is formed in the presence of device, so that can be by concrete hole solution squeezing, collection and sample ring
Carbon dioxide removal in border is clean.
The fluid reservoir is turbination cavity structure.
To avoid hole solution during outflow, the problem lost because hole is collected in wetting, the collection block only sets one
Individual collection hole, collects hole and is connected with collecting tank, and the collecting tank is skewed slot, maximum with the site depth that collection hole is connected, from
Prolong circumferentially extending depth to collecting tank both sides at collection hole to be gradually reduced, collecting tank is collecting the depth of hole 180 degree Angle Position
Minimum, collects and is connected with passage at groove depth minimum.
The filter tip forms the tight fit of detachable with the filter tip mounting groove.
Meanwhile, it is the concentration value for accurately and quickly detecting sample indoor carbon dioxide, the carbon dioxide detection detection dress
Put and be preferably arranged at the larger region of flow rate of gas, the gas in sample room is discharged through wireway, therefore, carbon dioxide is examined
Survey device and be arranged at the junction with specimen chamber Yu wireway.
A kind of concrete hole solution of the present invention is squeezed automatically, the method for sample, is comprised the following steps：
(1) feed：Concrete sample is placed in test specimen groove, the charging instruction of control terminal, oil cylinder oil supply, pressure-bearing is performed
Seat rises with the cylinder body of hole solution pressing device, and plunger forms close gastight cooperation with test specimen groove, when plunger and concrete are tried
When part is contacted, oil cylinder stops oil supply, completes the charging instruction of control terminal；
(2) except carbon：Perform control terminal except carbon instruction, wriggling part flow arrangement automatic, tap hole is vented with logical liquid
Joint is connected with common contact, under the wriggling of peristaltic pump, is made fluid reservoir, sealing drum, is collected hole, collecting tank, passage and two
Gas in carbonoxide filtering flask is imported in sample room, produces negative pressure, meanwhile, malleation is produced in sample room, in the work of draught head
Under, gas is entered in carbon dioxide filter by wireway, carbon dioxide and sodium hydroxide solution generationization in gas
Reaction generation sodium carbonate is learned, carbon dioxide is removed by reaction, is removed the gas of carbon dioxide by carbon dioxide filtering flask through rubber
Leather hose enters in the passage, then enters in sealing drum and fluid reservoir through collecting tank, collection hole, filter tip, according to above-mentioned mistake
Journey, forms with empty in specimen chamber, carbon dioxide filter, passage, rubber tube, sealing drum and fluid reservoir and wriggling part flow arrangement
The flow circuit of gas, in the process, carbon dioxide detection device persistently detects the carbon dioxide content in air, and in control
Respective value is shown in terminal, when the concentration value of carbon dioxide is zero, peristaltic pump is automatically stopped work, completes control terminal
Except carbon instruction；
(3) squeeze：Control terminal set squeeze force as 100MPa~1500MPa, loading speed be 0.1MPa/s~
3MPa/s and dwell time are 1min~30min, perform the squeezing instruction of control terminal, and oil cylinder is loaded according to the squeeze force of setting
Speed rises, and makes sliding cylinder extrusion concrete sample, and the hole solution in concrete sample is squeezed out, flows into collecting tank, then pass through
Collect hole flow into filter tip in, hole solution through filter tip filter after flow into fluid reservoir in, hydraulic press according to setting squeeze force, plus
Carry speed and the dwell time completes to squeeze after instructing, hydraulic press is automatically stopped squeezing；
(4) sample：The sample ratio and sample amount of hole solution and deionized water are set in control terminal, sample is performed and is referred to
Order, peristaltic pump automatically begins to work, and tap hole is connected with logical liquid exhaust joint and common contact, under the wriggling of peristaltic pump, hole
During solution flows into sample bottle by fluid reservoir through delivery hole, rubber tube, logical liquid exhaust joint, tap hole, common contact and peristaltic pump,
When hole solution influx is the 1/10 of sample amount in sample bottle, the weight data of hole solution is fed back to control eventually by electronic balance
End, control terminal assigns instruction to wriggling part flow arrangement, shunting rotary head is rotated clockwise an angle of 90 degrees, tap hole and water flowing joint
Connected with common contact, according to sample ratio, by deionization by water tank through rubber tube, water flowing joint, common contact and peristaltic pump
It is directed into sample bottle, is then tapped off rotary head and rotates counterclockwise an angle of 90 degrees, tap hole and logical liquid exhaust joint and common contact again
Connection, then the hole solution of 1/10 amount is imported in sample bottle, it is then tapped off rotary head and rotates clockwise an angle of 90 degrees again, repeat above-mentioned
Process, by 10 control of shunting sample, completes the sample instruction of control terminal, and wriggling part flow arrangement is automatically stopped work；
(5) discharging：3MPa/s~10MPa/s squeeze force loading speeds are set in control terminal, unloading for control terminal is performed
Material instruction, rotating shaft electric motor starts, and drives rotating shaft that turntable is rotated clockwise into 180 degree angle, and discharging seat is gone in turntable groove, makes discharging
Hole forms coaxial cooperation with test specimen groove, and oil cylinder rises, and concrete slag body is pressed into slag body bucket by plunger, when concrete slag body is fallen into
When in slag body bucket, the pressure value vanishing of hydraulic press, now, oil cylinder oil return, oil cylinder declines, and cylinder body declines with Pressure Block,
Plunger is deviate from from test specimen groove, and after oil cylinder oil return terminates, rotating shaft electric motor starts, and drives rotating shaft that turntable is rotated clockwise into 180 degree
Angle, cylinder body outside is gone to by discharging seat, completes the discharging instruction of control terminal.
During sample, it is 0.001g electronic balances to use precision, and the error of shunting sample is 0.001g~0.005g every time, is
Ensure that the error of shunting sample every time is not more than 5%, the amount that setting wriggling part flow arrangement shunts derivation hole solution every time is not less than
0.1g, and shunting sample adds the amount of sample bottle that the Rule of judgment of the amount of sample bottle is added as deionized water using hole solution, if
The amount of the hole solution for squeezing out is not enough to carry out 10 triage operators, then triage operator is automatically stopped in advance.
During sample, peristaltic pump drive hole solution from fluid reservoir flow out while, also drive with specimen chamber, carbon dioxide
The air flow of filter, passage, rubber tube, sealing drum and fluid reservoir, is retained in collecting tank and collection in expressing process
Hole solution in hole is also flowed down with air-flow, into fluid reservoir, so as to ensure that the hole solution for squeezing out is collected completely.
Beneficial effects of the present invention：The concrete hole solution that the present invention is provided is squeezed automatically, the device and method of sample, real
The mechanical automation of concrete hole solution squeezing is showed, while convenience is greatly improved, it is to avoid manual operation brings can
The error that can be brought into；The present invention by the unique design to apparatus structure, make with specimen chamber, carbon dioxide filter, passage,
Rubber tube, sealing drum and fluid reservoir form the closing space of gas circulating flow in the presence of wriggling part flow arrangement, will be in pressure
Squeeze, collect and sample environment in the whole of carbon dioxide remove, so as to can thoroughly avoid hole solution from being carbonized during collection
Problem；Passage of the invention and collecting tank and collect hole and connect, and can make to realize air-flow from passage to collecting tank with
Collect the flowing in hole, it is to avoid hole solution is retained in collecting tank and collects the problem that cannot be collected in hole；The present invention sets and inclines
Oblique type collecting tank, only sets a collection hole, under can making hole solution along the slope current of collecting tank, into collection hole, especially exists
When the pressing quantity thereof of hole solution is less, hole solution is flowed down with circulating current, into fluid reservoir, solve hole solution pressing quantity thereof compared with
When few, hole solution is caused to lose or cannot be collected into the problem of hole solution because hole bonding is left and collected to collecting tank.
Brief description of the drawings
Fig. 1 is squeezed for concrete hole solution automatically, the schematic device of sample.
Fig. 2 is the hydraulic press and hole solution pressing device schematic diagram when collection block coordinates with turntable groove.
Fig. 3 is the hydraulic press and hole solution pressing device schematic diagram when discharging seat coordinates with turntable groove.
Fig. 4 is the hydraulic press and hole solution pressing device schematic diagram that plunger with test specimen groove separate.
Fig. 5 is housing structure schematic diagram.
Fig. 6 is the lower section schematic diagram of Fig. 5 middle sections B.
Fig. 7 is the lower section schematic diagram of Fig. 5 middle sections C.
Fig. 8 is the lower section schematic diagram of Fig. 2 middle sections A.
Fig. 9 is the lower section schematic diagram of Fig. 3 middle sections 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 hole solution pressing devices,
21 plungers, 22 cylinder bodies, 221 passages, 222 delivery holes, 223 test specimen grooves, 224 turntable grooves, 225 fluid reservoirs, 226 cylinder walls, 23
Hole, 2322 collecting tanks, 2323 filterings are collected in turntable, 231 dischargings seat, 2311 dumping pits, 2312 slag bodies bucket, 232 collection blocks, 2321
Mouth mounting groove, 2324 sealing drums, 24 filter tips, 25 rotating shafts, 26 rotating shaft electric motors, 3 rubber tubes, 4 wriggling part flow arrangements, 41 shuntings turn
Specimen chamber, 6 carbon dioxide are matched somebody with somebody in head, 411 tap holes, 42 water flowing joints, 43 logical liquid exhaust joints, 44 common contacts, 45 peristaltic pumps, 5
Detection means, 7 carbon dioxide filters, 71 carbon dioxide filtering flasks, 72 sodium hydroxide solutions, 73 wireways, 8 water tanks, 9 are gone
Ionized water, 10 control terminals, 20 cables, 30 electronic balances, 40 sample bottles, 50 concrete samples.
Specific embodiment
A kind of concrete hole solution is squeezed automatically, the device of sample, including hydraulic press 1, hole solution pressing device 2, rubber
Pipe 3, wriggling part flow arrangement 4, with specimen chamber 5, carbon dioxide detection device 6, carbon dioxide filter 7, water tank 8, deionized water
9th, control terminal 10, cable 20, electronic balance 30 and sample bottle 40, the water tank 8, carbon dioxide detection device 6, electronic balance
30 and sample bottle 40 located at in specimen chamber 5, in water tank 8, the sample bottle 40 is placed on electronic balance 30 deionized water 9；
The hydraulic press 1 is structure as a whole with hole solution pressing device 2, the hydraulic press 1, hole solution pressing device 2, shunting dress of wriggling
Put 4, carbon dioxide detection device 6 and electronic balance 30 is connected by cable 20 with control terminal 10, control terminal 10 passes through journey
The mechanical action of sequence instruction control hydraulic press 1, hole solution pressing device 2 and wriggling part flow arrangement 4, carbon dioxide detection device 6
The gas concentration lwevel that will be detected is shown in the program interface of control terminal 10, and the data that electronic balance 30 will be detected are passed
Give control terminal 10, the data execute program instructions that control terminal 10 feeds back according to electronic balance 30；
The hole solution pressing device 2, including plunger 21, cylinder body 22, filter tip 24, turntable 23, rotating shaft 25 and rotating shaft electricity
Machine 26, the cylinder body 22 includes cylinder wall 226, test specimen groove 223, turntable groove 224 and fluid reservoir 225, test specimen groove 223, turntable groove
224 and fluid reservoir 225 be located in the middle of cylinder body 22, from top to bottom disposed therethrough；Rotating shaft 25 through in cylinder wall 226, 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；The cylinder body
Wall 226 is provided with passage 221 and delivery hole 222, and passage 221 is run through on the top of turntable groove 224 by the outer surface of cylinder wall 226
To turntable groove 224, delivery hole 222 is through to fluid reservoir 225, the fluid reservoir in the bottom of cylinder body 22 by the outer surface of cylinder wall 226
225 is turbination cavity structure；Turntable 23 includes collection block 232 and discharging seat 231, and collection block 232 and discharging seat 231 are bowed
Depending on structure in the equal and intersecting circle of two external diameters shapes, rotating shaft 25 is located at the midpoints of two circle center lines, collection block 232 with turn
Platform groove 224 coordinates, and discharging seat 231 is located at the outside of cylinder body 22, if the dextrorotation turnback angle of rotating shaft 25, the collaboration rotating shaft of turntable 23
25 rotation 180 degree angles, then discharging 231 coordinates with turntable groove 224, and collection block 232 goes to the outside of cylinder body 22；
The collection block 232 is provided with sealing drum 2324, collecting tank 2322, collects hole 2321 and filter tip mounting groove 2323,
Collecting tank 2322 is connected with hole 2321 is collected, and collects hole 2321 and is connected with filter tip mounting groove 2323, when collection block 232 and
When turntable groove 224 coordinates, collecting tank 2322 is connected with the passage 221, and sealing drum 2324 is connected with fluid reservoir 225,
Formed and the disconnected space of turntable groove 224；The discharging seat 231 is provided with dumping pit 2311 and slag body bucket 2312, dumping pit
2311 2312 are connected with slag body bucket, and when discharging seat 231 coordinates with turntable groove 224, the bottom surface of slag body bucket 2312 is by slag body bucket
2312 and the space of dumping pit 2311 isolate with fluid reservoir 225, such that it is able to avoid the slag body of concrete 50 that fluid reservoir 225 is dirty
Dye；
To avoid hole solution during outflow, because soaking the problem collected hole 2321 and lose, the collection block 232 is only
One collection hole 2321 is set, is collected hole 2321 and is connected with collecting tank 2322, the collecting tank 2322 is skewed slot, with collection hole
2321 connected site depths are maximum, and prolonging circumferentially extending depth to the both sides of collecting tank 2322 from collection hole 2321 gradually subtracts
Small, collecting tank 2322 is minimum in the depth of the 180 degree Angle Position for collecting hole 2321, at the depth of collecting tank 2322 minimum and passage
221 are connected；
The filter tip 24 forms the tight fit of detachable with the filter tip mounting groove 2323；
The hydraulic press 1 includes platen 11, oil cylinder 1212, Pressure Block 13, it is contemplated that, squeezed in concrete hole solution and tested
, it is necessary to plunger 21 is extracted from test specimen groove 223 after end, the platen 11 is set with the plunger 21 and is structure as a whole,
The Pressure Block 13 sets with cylinder body 22 and is structure as a whole；
The wriggling part flow arrangement 4 includes peristaltic pump 45, shunting rotary head 41, water flowing joint 42, the logical and of liquid exhaust joint 43
Common contact 44, shunting rotary head 41 can left-right rotation, rotation amplitude is an angle of 90 degrees, shunting rotary head 41 in sets tap hole 411, shunt
Hole 411 is corner apertures structure always, and the two ends of tap hole 411 are connected with logical liquid exhaust joint 43 and common contact 44 respectively,
Under the wriggling of peristaltic pump 45, hole solution can be directed into sample bottle 40 by fluid reservoir 225 through delivery hole 222；If shunting is turned
First 41 turn clockwise an angle of 90 degrees, then the two ends of tap hole 411 are connected with water flowing joint 42 and common contact 44 respectively, compacted
Under the wriggling of dynamic pump 45, deionized water 9 can be directed into sample bottle 40 by water tank 8；
Described is the casing that can freely open and close with specimen chamber 5, when being closed with specimen chamber 5, be internally formed only with air guide
The space that pipe 73 is connected with wriggling part flow arrangement 4；
The carbon dioxide filter 7, including carbon dioxide filtering flask 71 and wireway 73, according to NaOH and two
Carbon dioxide reaction generates the principle of sodium carbonate, holds sodium hydroxide solution 72 in carbon dioxide filtering flask 71, wireway 73 with
It is connected with specimen chamber 5, gas is by wireway 73 from the sodium hydroxide solution being imported into specimen chamber 5 in carbon dioxide filtering flask 71
In 72, realize removing the purpose of carbon dioxide in gas；
Meanwhile, it is accurately and quickly to detect the concentration value with carbon dioxide in specimen chamber 5, the carbon dioxide detection detection dress
Put and be preferably arranged at the larger region of flow rate of gas, discharged through wireway 73 with the gas in specimen chamber 5, therefore, by titanium dioxide
Carbon detection detection means is arranged at the junction with specimen chamber 5 Yu wireway 73；
It is described with specimen chamber 5, carbon dioxide filter 7, passage 221, rubber tube 3, sealing drum 2324 and fluid reservoir 225
The space of gas circulating flow can be formed in the presence of wriggling part flow arrangement 4, so that can be by concrete hole solution squeezing, collection
With the carbon dioxide removal in sample environment totally；
, including charging, except carbon, squeezing, sample and discharging, the charging is will be mixed for the programmed instruction of the control terminal 10
After solidifying soil test specimen 50 is placed in test specimen groove 223, hydraulic press 1 starts, and cylinder body 22 rises, in the insertion test specimen of plunger 21 groove 223 to
Concrete sample 50 is contacted, described except carbon will be made with specimen chamber 5, carbon dioxide filter 7, passage 221, rubber tube 3, close
Carbon dioxide in the connected space of sealed tube 2324, fluid reservoir 225 and wriggling part flow arrangement 4 is removed, and the squeezing is by coagulation
Hole solution in native test specimen 50 squeeze out come, hole solution through filter tip 24 filter after flow into fluid reservoir 225 in, the sample be by
Hole solution and deionized water 9 mix according to set proportion, and the discharging is by by the slag of the concrete sample 50 after squeezing
Body discharge from test specimen groove 223, into slag body bucket 2312.
A kind of concrete hole solution of the present invention is squeezed automatically, the method for sample, is comprised the following steps：
(1) feed：Concrete sample is placed in test specimen groove 223, the charging instruction of control terminal 10, oil cylinder 1212 is performed
Oil supply, Pressure Block 13 rises with the cylinder body 22 of hole solution pressing device 2, and plunger 21 and test specimen groove 223 form close gastight match somebody with somebody
Close, when plunger 21 is contacted with concrete sample, oil cylinder 12 stops oil supply, complete the charging instruction of control terminal 10；
(2) except carbon：Perform control terminal 10 except carbon instruction, the automatic of wriggling part flow arrangement 4, tap hole 411 with it is logical
Liquid exhaust joint 43 is connected with common contact 44, under the wriggling of peristaltic pump 45, is made fluid reservoir 225, sealing drum 2324, is collected hole
2321st, the gas in collecting tank 2322, passage 221 and carbon dioxide filtering flask 71 is imported with specimen chamber 5, produces negative pressure, together
When, with malleation is produced in specimen chamber 5, in the presence of draught head, gas is entered in carbon dioxide filter 7 by wireway 73,
Carbon dioxide in gas produces chemical reaction generation sodium carbonate, carbon dioxide to be removed by reaction with sodium hydroxide solution 72, quilt
The gas for removing carbon dioxide is entered in the passage 221 by carbon dioxide filtering flask 71 through rubber tube 3, then through collecting tank
2322nd, hole 2321, filter tip 24 is collected to enter in sealing drum 2324 and fluid reservoir 225, as procedure described above, formed with specimen chamber 5,
It is empty in carbon dioxide filter 7, passage 221, rubber tube 3, sealing drum 2324 and fluid reservoir 225 and wriggling part flow arrangement 4
The flow circuit of gas, in the process, carbon dioxide detection device 6 persistently detects the carbon dioxide content in air, and in control
Respective value is shown in terminal processed 10, when the concentration value of carbon dioxide is zero, peristaltic pump 45 is automatically stopped work, completes control
Terminal 10 except carbon instruction；
(3) squeeze：Squeeze force is set as 800MPa, loading speed are 0.5MPa/s, dwell time to be in control terminal 10
10min, performs the squeezing instruction of control terminal 10, and oil cylinder 12 rises according to the squeeze force loading speed of setting, squeezes plunger 21
Pressure concrete sample, the hole solution in concrete sample is squeezed out, flows into collecting tank 2322, then is flowed into through collecting hole 2321
In filter tip 24, hole solution through filter tip 24 filter after flow into fluid reservoir 225 in, hydraulic press 1 according to 1MPa/s loading speed
Squeeze force is set to reach pressurize 10min after 1000MPa, hydraulic press 1 is automatically stopped squeezing；
(4) sample：The sample ratio and sample amount of hole solution and deionized water 9 are set in control terminal 10, sample is performed
Instruction, peristaltic pump 45 automatically begins to work, and tap hole 411 is connected with logical liquid exhaust joint and common contact 44, in peristaltic pump 45
Wriggling under, hole solution is exported by fluid reservoir 225, through peristaltic pump 45, logical liquid exhaust joint 43, tap hole 411 and public is connect
During first 44 flow into sample bottle 40, in sample bottle 40 hole solution influx for sample amount 1/10 when, electronic balance 30 is by hole solution
Weight data feed back to control terminal 10, shunting rotary head 41 rotates clockwise an angle of 90 degrees, tap hole 411 and water flowing joint 42 and
Common contact 44 is connected, and according to sample ratio, the deionization of respective quality is derived by water tank 8, in inflow sample bottle 40, then
Shunting rotary head 41 is connected with logical liquid exhaust joint 43 and common contact 44 rotating counterclockwise an angle of 90 degrees, tap hole 411, then by 1/
The hole solution of 10 amounts is imported in sample bottle 40, is then tapped off rotary head 41 and is rotated clockwise an angle of 90 degrees again, repeats said process, is passed through
10 flow-dividing controls, complete the sample instruction of control terminal 10, and wriggling part flow arrangement 4 is automatically stopped work；
During sample, it is the electronic balance 30 of 0.001g to use precision, every time shunting sample error for 0.001g~
0.005g, for the error for ensureing shunting sample every time is not more than 5%, hole solution is derived in shunting to setting wriggling part flow arrangement 4 every time
Amount be not less than 0.1g, and shunting sample adds the amount of sample bottle 40 to add sample bottle 40 as deionized water 9 using hole solution
The Rule of judgment of amount, if the amount of the hole solution for squeezing out is not enough to carry out 10 triage operators, triage operator shifts to an earlier date and stops automatically
Only；
During sample, peristaltic pump 45 drive hole solution from fluid reservoir 225 flow out while, also drive with specimen chamber 5, two
The air flow of carbonoxide filter 7, passage 221, rubber tube 3, sealing drum 2324 and fluid reservoir 225, in expressing process
The hole solution for being retained in collecting tank 2322 and collecting in hole 2321 is also flowed down with air-flow, into fluid reservoir 225, so as to ensure pressure
The hole solution squeezed out is collected completely；
(5) discharging：The squeeze force loading speed of 5MPa/s is set in control terminal 10, the discharging for performing control terminal 10 refers to
Order, rotating shaft electric motor 26 starts, and drives rotating shaft 25 that turntable 23 is rotated clockwise into 180 degree angle, and discharging seat 231 goes to turntable groove 224
It is interior, dumping pit 2311 is formed coaxial cooperation with test specimen groove 223, oil cylinder 12 rises, and concrete slag body is pressed into slag body by plunger 21
In bucket 2312, when concrete slag body is fallen into slag body bucket 2312, the pressure value vanishing of hydraulic press 1, now, oil cylinder 12 times
Oil, oil cylinder 12 declines, and cylinder body 22 declines with Pressure Block 13, and plunger 21 is deviate from from test specimen groove 223, and the oil return of oil cylinder 12 terminates
Afterwards, rotating shaft electric motor 26 starts, and drives rotating shaft 25 that turntable 23 is rotated clockwise into 180 degree angle, and discharging seat 231 is gone to outside cylinder body 22
Side, completes the discharging instruction of control terminal 10.
Embodiment
The squeezing of concrete hole solution is carried out using apparatus and method of the present invention and sample is tested：
The control program of control terminal is opened, setting squeeze force is 800MPa, loading speed 0.5MPa/s, dwell time
10min；The sample ratio for setting hole solution and deionized water is 1:4, sample amount is hole solution 10.000g, deionized water
40.000g, the hole solution amount of shunting sample is 1.000g every time；The squeeze force loading speed for setting discharging is 5MPa/s；
Make to be placed in concrete sample in test specimen groove, perform the charging instruction of control terminal, Pressure Block rises with cylinder body, post
Plug forms close gastight cooperation with test specimen groove, and when plunger is contacted with concrete sample, oil cylinder stops oil supply, completes control eventually
The charging instruction at end；
Perform control terminal except carbon instruction, wriggling part flow arrangement automatic has bubble from carbon dioxide filtering flask
Emerged in sodium hydroxide solution, the carbon dioxide concentration value that control terminal shows is gradually reduced by 360ppm, when on display screen two
When carbonoxide concentration value is 0ppm, peristaltic pump is stopped, and prompting carries out next step operation；
The squeezing instruction of control terminal is performed, Pressure Block rises with cylinder body, plunger is pressed concrete sample, according to
The loading speed of 0.5MPa/s, is gradually loaded onto 800MPa, and after pressurize 10min, control terminal prompting carries out sample operation；
The sample instruction of control terminal is performed, wriggling part flow arrangement automatic, hole solution is flowed into sample bottle, and control is eventually
The quality of end display hole solution is 1.002g, and shunting rotary head is turned clockwise an angle of 90 degrees automatically, and deionized water is flowed into sample bottle,
Liquid quality in the sample bottle that control terminal shows is 5.006g, now shunts the automatic rotate counterclockwise an angle of 90 degrees of rotary head, hole
Solution is again flowed into sample bottle, and the liquid quality in control terminal display sample bottle is 6.003g, and now, shunting rotary head is again
The automatic an angle of 90 degrees that turns clockwise, deionized water is flowed into sample bottle, so repeatedly after 10 times, the liquid in hole solution sample bottle
Quality is shown as 50.028g, completes the work of this sample；
In the setting of control terminal program, modification sample parameter is：The sample ratio of hole solution and deionized water is 1:3,
Sample amount is hole solution 20.000g, deionized water 60.000g, and the hole solution amount of shunting sample is 2.000g every time；
The sample instruction of control terminal is performed again, and wriggling part flow arrangement automatic, hole solution is flowed into sample bottle, control
The quality of terminal processed display hole solution is 2.003g, and shunting rotary head turns clockwise an angle of 90 degrees automatically, and deionized water flows into sample
In bottle, the liquid quality in the sample bottle that control terminal shows is 8.004g, now shunts automatic 90 degree of the rotate counterclockwise of rotary head
Angle, hole solution is again flowed into sample bottle, and the liquid quality in control terminal display sample bottle is 10.001g, and now, shunting turns
Head is turned clockwise an angle of 90 degrees automatically again, and deionized water is flowed into sample bottle, is so carried out the 9th shunting and is matched somebody with somebody after 8 times repeatedly
During sample, hole solution is flowed into blake bottle, and liquid quality in the sample bottle that control terminal show is 65.125g, through 30s after, match somebody with somebody
The quality of liquid is unchanged in sample bottle, i.e., during the 9th time shunting sample, less than 2.000g, now, shunting rotary head is again for hole solution
The automatic an angle of 90 degrees that turns clockwise, deionized water is flowed into sample bottle, according to the 9th addition of hole solution, is proportionally added into
The deionized water of respective quality, the liquid quality in the sample bottle that control terminal shows is 68.508g, and wriggling part flow arrangement is automatic
It is stopped, completes the work of this sample.
The discharging instruction of control terminal is performed, rotating shaft electric motor starts, and drives rotating shaft that turntable is rotated clockwise into 180 degree angle,
Discharging seat is gone in turntable groove, and oil cylinder rises, and plunger forms squeezed state, the pressure value that control terminal shows to concrete slag body
78MPa is risen to according to the speed of 5MPa/s by 0MPa, then, concrete slag body is moved down by sliding cylinder extrusion, control terminal
The pressure value of display declines rapidly, until concrete slag body is fallen into when in slag body bucket, the pressure value of hydraulic press is changed into 0MPa, this
When, oil cylinder oil return, oil cylinder declines, and cylinder body declines with Pressure Block, and plunger is deviate from from test specimen groove, after oil cylinder oil return terminates,
Rotating shaft electric motor automatic, drives rotating shaft that turntable is rotated clockwise into 180 degree angle, and discharging seat is gone into cylinder body outside, completes control
The discharging instruction of terminal processed.
Claims (7)
1. a kind of concrete hole solution squeeze automatically, the device of sample, it is characterised in that：Squeezed including hydraulic press (1), hole solution
Device (2), rubber tube (3), wriggling part flow arrangement (4), with specimen chamber (5), carbon dioxide detection device (6), carbon dioxide filtering
Device (7), water tank (8), deionized water (9), control terminal (10), cable (20), electronic balance (30) and sample bottle (40)；
The water tank (8), carbon dioxide detection device (6), electronic balance (30) and sample bottle (40) located at in specimen chamber (5),
In water tank (8), the sample bottle (40) is placed on electronic balance (30) deionized water (9)；The hydraulic press (1) and Kong Rong
Liquid pressing device (2) is structure as a whole；The hydraulic press (1), hole solution pressing device (2), wriggling part flow arrangement (4), dioxy
Change carbon detection means (6) and electronic balance (30) is connected by cable (20) with control terminal (10), control terminal (10) passes through
Programmed instruction controls the mechanical action of hydraulic press (1), hole solution pressing device (2) and wriggling part flow arrangement (4)；Carbon dioxide is examined
The gas concentration lwevel that survey device (6) will be detected is shown in the program interface of control terminal (10), and electronic balance (30) will
The data for detecting send control terminal (10), the data configuration processor that control terminal (10) feeds back according to electronic balance (30) to
Instruction；
The hole solution pressing device (2) including plunger (21), cylinder body (22), filter tip (24), turntable (23), rotating shaft (25) and
Rotating shaft electric motor (26)；
The cylinder body (22) includes cylinder wall (226), test specimen groove (223), turntable groove (224) and fluid reservoir (225), test specimen groove
(223), turntable groove (224) and fluid reservoir (225) are middle positioned at cylinder body (22), from top to bottom disposed therethrough；The cylinder wall
(226) passage (221) and delivery hole (222) are provided with, passage (221) is on turntable groove (224) top by cylinder wall (226)
Outer surface is through to turntable groove (224), and delivery hole (222) is through to storage in cylinder body (22) bottom by cylinder wall (226) outer surface
Liquid room (225)；Through in cylinder wall (226), rotating shaft (25) upper end coordinates the rotating shaft (25) with rotating shaft electric motor (26), rotating shaft
Motor (26) can drive rotating shaft (25) to rotate, and rotating shaft (25) drives turntable (23) to rotate；
The turntable (23) includes the vertical view knot of collection block (232) and discharging seat (231), collection block (232) and discharging seat (231)
Structure in the equal and intersecting circle of two external diameters shapes, rotating shaft (25) positioned at the midpoints of two circle center lines, collection block (232) with turn
Platform groove (224) coordinate, discharging seat (231) positioned at cylinder body (22) outside, if rotating shaft (25) dextrorotation turnback angle, turntable
(23) collaboration rotating shaft (25) rotation 180 degree angle, then discharging seat (231) coordinates with turntable groove (224), and collection block (232) goes to cylinder
Body (22) outside；The collection block (232) is provided with sealing drum (2324), collecting tank (2322), collects hole (2321) and filter tip
Mounting groove (2323), collecting tank (2322) is connected with hole (2321) are collected, and collects hole (2321) and filter tip mounting groove
(2323) it is connected, when collection block (232) and turntable groove (224) coordinate, collecting tank (2322) and the passage (221) phase
Connection, sealing drum (2324) is connected with fluid reservoir (225), is formed and turntable groove (224) disconnected space；The discharging seat
(231) dumping pit (2311) and slag body bucket (2312) are provided with, dumping pit (2311) is connected with slag body bucket (2312), when discharging seat
(231) with turntable groove (224) coordinate when, slag body bucket (2312) bottom surface by slag body bucket (2312) and dumping pit (2311) space
Isolate with fluid reservoir (225)；
The hydraulic press (1) includes platen (11), oil cylinder (12), Pressure Block (13), the platen (11) and the plunger (21)
Setting is structure as a whole, and the Pressure Block (13) sets with cylinder body (22) and is structure as a whole；
The wriggling part flow arrangement (4) includes peristaltic pump (45), shunting rotary head (41), water flowing joint (42), logical liquid exhaust joint
(43) and common contact (44), shunting rotary head (41) can left-right rotation, rotation amplitude is an angle of 90 degrees, is set in shunting rotary head (41) point
Discharge orifice (411), tap hole (411) is corner apertures structure always, the two ends of tap hole (411) respectively with logical liquid exhaust joint (43) and
Common contact (44) is connected；
The carbon dioxide filter (7), including carbon dioxide filtering flask (71) and wireway (73), in carbon dioxide filtering
Sodium hydroxide solution (72) is held in bottle (71), wireway (73) is connected with specimen chamber (5)；
Described is the casing that can freely open and close with specimen chamber (5), when being closed with specimen chamber (5), be internally formed only with air guide
The space that pipe (73) is connected with wriggling part flow arrangement (4)；
The programmed instruction of the control terminal (10) is including charging, except carbon, squeezing, sample and discharging；
It is described with specimen chamber (5), carbon dioxide filter (7), passage (221), rubber tube (3), sealing drum (2324) and storage
Liquid room (225) can form the closing space of gas circulating flow in the presence of wriggling part flow arrangement (4).
2. a kind of concrete hole solution according to claim 1 squeeze automatically, the device of sample, it is characterised in that it is described
Fluid reservoir (225) is turbination cavity structure.
3. a kind of concrete hole solution according to claim 2 squeeze automatically, the device of sample, it is characterised in that it is described
Collection block (232) only sets one and collects hole (2321), collects hole (2321) and is connected with collecting tank (2322), the collecting tank
(2322) it is skewed slot, the site depth being connected with collection hole (2321) is maximum, from from collection hole (2321) to collecting tank (2322)
Both sides are prolonged circumferentially extending depth and are gradually reduced, and collecting tank (2322) is minimum in the depth for collecting hole (2321) 180 degree Angle Position,
It is connected with passage (221) at collecting tank (2322) depth minimum.
4. a kind of concrete hole solution according to claim 3 squeeze automatically, the device of sample, it is characterised in that it is described
Filter tip (24) forms the tight fit of detachable with the filter tip mounting groove (2323).
5. a kind of concrete hole solution according to claim 4 squeeze automatically, the device of sample, it is characterised in that it is described
Carbon dioxide detection device (6) is arranged at the junction with specimen chamber (5) Yu wireway (73).
6. a kind of concrete hole solution of 5 described devices of usage right requirement squeeze automatically, the method for sample, it is characterised in that
Comprise the following steps：
(1) feed：Concrete sample (50) is placed in test specimen groove (223), the charging instruction of control terminal (10), oil cylinder is performed
(12) cylinder body (22) rising of oil supply, Pressure Block (13) and hole solution pressing device (2), plunger (21) and test specimen groove (223) shape
Into close gastight cooperation, when plunger (21) is contacted with concrete sample (50), oil cylinder (12) stops oil supply, completes control eventually
Hold the charging instruction of (10)；
(2) except carbon：Perform control terminal (10) except carbon instruction, wriggling part flow arrangement (4) automatic, tap hole (411) with
Logical liquid exhaust joint (43) is connected with common contact (44), under the wriggling of peristaltic pump (45), makes fluid reservoir (225), sealing drum
(2324), the gas in collection hole (2321), collecting tank (2322), passage (221) and carbon dioxide filtering flask (71) is imported
With in specimen chamber (5), negative pressure is produced, meanwhile, with malleation is produced in specimen chamber (5), in the presence of draught head, gas is by wireway
(73) enter in carbon dioxide filter (7), the carbon dioxide in gas produces chemical reaction with sodium hydroxide solution (72)
Generation sodium carbonate, carbon dioxide is removed by reaction, is removed the gas of carbon dioxide by carbon dioxide filtering flask (71) through rubber
Pipe (3) enters in the passage (221), then enters sealing drum through collecting tank (2322), collection hole (2321), filter tip (24)
(2324) and in fluid reservoir (225), as procedure described above, formed and match somebody with somebody specimen chamber (5), carbon dioxide filter (7), passage
(221), the flow circuit of rubber tube (3), sealing drum (2324) and fluid reservoir (225) and wriggling part flow arrangement (4) interior air,
During this, carbon dioxide detection device (6) persistently detects the carbon dioxide content in air, and shows on control terminal (10)
Show respective value, when the concentration value of carbon dioxide is zero, peristaltic pump (45) is automatically stopped work, completes control terminal (10)
Except carbon instruction；
(3) squeeze：Control terminal (10) set squeeze force as 100MPa~1500MPa, loading speed be 0.1MPa/s~
3MPa/s and dwell time are 1min~30min, perform the squeezing instruction of control terminal (10), and oil cylinder (12) is according to the pressure for setting
Squeeze power loading speed to rise, be squeezed plunger (21) extruded concrete test specimen (50), the hole solution in concrete sample (50)
Out, collecting tank (2322) is flowed into, then through in collection hole (2321) inflow filter tip (24), hole solution is filtered through filter tip (24)
Flow into fluid reservoir (225) afterwards, hydraulic press (1) completes squeezing instruction according to the squeeze force, loading speed that set and dwell time
Afterwards, hydraulic press (1) is automatically stopped squeezing；
(4) sample：The sample ratio and sample amount of hole solution and deionized water (9) are set in control terminal (10), sample is performed
Instruction, peristaltic pump (45) automatically begins to work, and tap hole (411) is connected with logical liquid exhaust joint (43) and common contact (44),
Under the wriggling of peristaltic pump (45), hole solution is by fluid reservoir (225) through delivery hole (222), rubber tube (3), logical liquid exhaust joint
(43), in tap hole (411), common contact (44) and peristaltic pump (45) inflow sample bottle (40), hole solution in sample bottle (40)
When influx is the 1/10 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), shunting rotary head (41) is rotated clockwise an angle of 90 degrees, tap hole (411)
Connected with water flowing joint (42) and common contact (44), according to sample ratio, by deionization by water tank (8) through rubber tube (3), logical
Water swivel (42), common contact (44) and peristaltic pump (45) are directed into sample bottle (40), when being then tapped off rotary head (41) another mistake
Pin rotates an angle of 90 degrees, and tap hole (411) connects with logical liquid exhaust joint (43) and common contact (44), then by the hole of 1/10 amount
Solution is imported in sample bottle (40), is then tapped off rotary head (41) and is rotated clockwise an angle of 90 degrees again, said process is repeated, by 10 times
The control of sample is shunted, the sample instruction of control terminal (10) is completed, wriggling part flow arrangement (4) is automatically stopped work；
(5) discharging：3MPa/s~10MPa/s squeeze force loading speeds are set in control terminal (10), control terminal (10) is performed
Discharging instruction, rotating shaft electric motor (26) starts, and drives rotating shaft (25) that turntable (23) rotated clockwise into 180 degree angle, discharging seat
(231) go in turntable groove (224), dumping pit (2311) is formed coaxial cooperation with test specimen groove (223), oil cylinder (12) rises,
Concrete slag body by plunger (21) press-in slag body bucket (2312), when concrete slag body fall into slag body bucket (2312) it is interior when, hydraulic pressure
The pressure value vanishing of machine (1), now, oil cylinder (12) oil return, oil cylinder (12) declines, and cylinder body (22) is removed with Pressure Block (13)
Drop, plunger (21) abjection from test specimen groove (223), after oil cylinder (12) oil return terminates, rotating shaft electric motor (26) starts, and drives rotating shaft
(25) turntable (23) is rotated clockwise into 180 degree angle, discharging seat (231) is gone into cylinder body (22) outside, complete control terminal
(10) discharging instruction.
7. a kind of concrete hole solution according to claim 6 squeeze automatically, the method for sample, it is characterised in that sample
When, it is 0.001g electronic balances (30) to use precision, and the error of shunting sample is 0.001g~0.005g every time, shunting dress of wriggling
Shunting derives the amount of hole solution not less than 0.1g every time to put (4), and shunting sample adds the amount of sample bottle (40) to make with hole solution
The Rule of judgment of the amount of sample bottle (40) is added for deionized water (9), if the amount of the hole solution for squeezing out is not enough to carry out 10 times
Triage operator, then triage operator be automatically stopped in advance.
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| CN201511028316.2A CN105606792B (en) | 2015-12-31 | 2015-12-31 | A kind of concrete hole solution is squeezed automatically, the device and method of sample |
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| 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 |
| CN108760615B (en) * | 2018-03-07 | 2024-04-16 | 宁夏大学 | Asphalt concrete tester simulating natural conditions |
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