CN110398435A - A kind of lossless immersion device and method of rock material - Google Patents
A kind of lossless immersion device and method of rock material Download PDFInfo
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- CN110398435A CN110398435A CN201910815446.2A CN201910815446A CN110398435A CN 110398435 A CN110398435 A CN 110398435A CN 201910815446 A CN201910815446 A CN 201910815446A CN 110398435 A CN110398435 A CN 110398435A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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Abstract
The present invention relates to a kind of lossless immersion device and methods of rock material, belong to rock material water imbibition the field of test technology, solve the problems, such as inconvenient existing immersion device, large labor intensity, result reliability difference and low efficiency.The lossless immersion device includes constant humidity cabinet, humidifier, water collector and host, and the gas outlet of humidifier is connect with constant humidity cabinet, and water inlet is connect with water collector；Host is for the data processing and operation control during soaking；Humidifier is for feeding aqueous vapor into constant humidity cabinet；Temperature-humidity monitoring component and weigh assembly are equipped in constant humidity cabinet, temperature-humidity monitoring component in real-time monitoring constant humidity cabinet temperature, humidity information and temperature, humidity information are transferred to host, sample weight information for real-time monitoring sample weight change information and is transferred to host by weigh assembly, host handles the information received, obtains test result.Operation of the present invention is simple, high-efficient, result is reliable, labor intensity is low.
Description
Technical field
The present invention relates to rock material water imbibition the field of test technology more particularly to a kind of lossless immersion devices of rock material
And method.
Background technique
The water absorption test of rock-like materials refers to by the way that according to correlation test regulation, (" physical-mechanical properties of rock is tested
Regulation " or other standards) require, it soaks the rock-like materials after drying, so that it is absorbed moisture, and then obtain class rock
The series informations such as natural moisture content, rate of water absorption, the saturated aqueous rate of stone material are Water-rock mass coupling or other aqueous more couplings
It closes test and parameter is provided, acquired results have test value.
During entire submerging test, accuracy and operability are the key points entirely tested.Currently, about class
There are many methods for the water absorption test of rock material.Wherein, the most common method is to be placed on rock-like materials sample to fill with water
Container in, so that water was not had sample upper surface completely, then each a period of time (such as 1h) weighs to sample.But this side
There are major defect, times to be completely immersed in water for method, and the pressure of water can be to some materials especially mud in long-time soaking process
Rock etc sample causes to damage, and if surface is cracked or whole destruction, carry out test can not；Still an alternative is that lossless
Sample, i.e., be placed in seal case, pass through modeling by the ultramicron that humidifier atomizes water into constant rate by immersion
Glue hose enters in seal box, and when cabinet reaches humidity constant state, ultramicron is deeply internal by specimen surface and then raising contains
Water rate, The method avoids, to the destruction of sample, but operability is poor in water absorption course, immersion process is more complex, test
As a result inaccurate.Firstly, need at regular intervals take out sample from cabinet during immersion, wiping surface moisture is gone forward side by side
Row weighing, moisture wiping degree is uneven during this, each sample absorbent time is different, the destruction of sample is made in taking-up movement
At test data inaccuracy, and whole process needs experimenter operation on the scene, convenience is very poor always.Meanwhile entire immersion
Process is manual operation, show that experimental data is more single and is initial data, is not easy to Control Assay moisture content at any time, error
It is larger.
Therefore, for the water absorption test of progress rock-like materials, existing method and equipment are insufficient.So being badly in need of
A kind of convenient and reliable, economical rationality is found, and can guarantee that experimental result is accurate, will appreciate that comprehensively and at any time and contains with Control Assay
The device and method of the rock-like materials intelligence immersion of water rate.
Summary of the invention
In view of above-mentioned analysis, the present invention is intended to provide a kind of lossless immersion device and method of rock material, to solve
Existing rock material immersion device it is inconvenient, labor intensity of operating staff is big, low efficiency and immersion result reliability are poor
The problem of.
The purpose of the present invention is mainly achieved through the following technical solutions:
On the one hand, a kind of lossless immersion device of rock material, including constant humidity cabinet, humidifier, water collector and host are provided；Add
The gas outlet of wet device is connect with constant humidity cabinet, and water inlet is connect with water collector, and constant humidity cabinet, humidifier and water collector are connected to composition circulation
Pipeline；Host is for the data processing and operation control during soaking；Humidifier is for feeding aqueous vapor into constant humidity cabinet；Constant humidity
It is equipped with temperature-humidity monitoring component and weigh assembly in case, temperature-humidity monitoring component is for the temperature, wet in real-time monitoring constant humidity cabinet
Temperature, humidity information are simultaneously transferred to host by degree information, and weigh assembly is for real-time monitoring sample weight change information and will try
Sample weight information is transferred to host, and host handles the temperature, humidity information and sample weight information that receive, obtains
Test result.
Further, the lossless immersion device of rock material further includes the anti-ponding component for preventing specimen surface ponding.
Further, anti-ponding component is dehydration cap, and dehydration cap is inverted cone-shaped structure.
Further, anti-ponding component be inclined base, inclined base be equipped with for limit each face of sample be in it is non-
The V-shaped groove of horizontality.
Further, weigh assembly is fixed on the bottom plate of constant humidity cabinet by module bracket；Module bracket is engraved structure.
Further, the water tank that the bottom plate of constant humidity cabinet is equipped with drainage channel and is connected to drainage channel, water tank are logical
Conduit is crossed to be connected with water collector.
Further, water collector is equipped with pressure relief opening and water filling port, and pressure relief opening and water filling port match that be arranged with pressure relief opening close respectively
Capping and water filling port sealing cover；Pressure relief opening sealing cover is equipped with water collector relief hole, and constant humidity cabinet is equipped with relief valve or constant humidity cabinet is let out
Press hole.
Further, weighing unit includes weighing saddle, bracket and the gravity sensor being arranged from bottom to top；Gravity sensitive
Device uses S type load transducer or spoke type load transducer.
On the other hand, a kind of immersion method based on the lossless immersion device of above-mentioned rock material is also provided, including is walked as follows
It is rapid:
Smooth and purifying processing is carried out to specimen surface；
Sample is installed in constant humidity cabinet, sample is placed on the weighing saddle in constant humidity cabinet；
Set the upper limit or lower limit of weighing unit；
It is filled the water into water collector, opens humidifier, the steam soaking wet sample surface that humidifier generates, host is based on receiving
Temperature, humidity information and sample weight information, obtain under different rate of water absorption the weight of sample and/or moisture content change
Change curve.
Further, when sample is installed in constant humidity cabinet, anti-ponding component is installed；
According to dehydration cap as anti-ponding component, then first sample is placed on weighing drag platform, is put in the upper surface of sample
It sets and inhales water saturated water suction component, then dehydration cap is placed on water suction component；
According to inclined base as anti-ponding component, then it will first inhale water saturated water suction component and be placed in the V of inclined base
Font groove, then sample is placed in the groove of water suction component, the inclined base that will be finally equipped with sample and the component that absorbs water is whole
It is placed on weighing drag platform.
Compared with prior art, the present invention one of at least has the advantages that:
A) the lossless immersion device of rock material provided by the invention, the gas outlet of humidifier are connect with the constant humidity cabinet, into
The mouth of a river is connect with water collector, and the water flowing soaked in device forms circulation line, and water, immersion secondary need not be added during immersion
Not needing staff's moment in the process supervises, easy to operate, reduces the workload of operator.
B) the lossless immersion device of rock material provided by the invention, the interior weigh assembly being arranged of constant humidity cabinet includes multiple weighings
Unit, to all weighing unit number consecutivelies, each weighing unit is corresponding with the monitoring channel in host, can monitor note respectively
The real-time change of sample weight on each weighing unit is recorded, thus improves testing efficiency, immersion test can obtain more every time
The real-time change curve of block sample weight and/or moisture content.In addition, the moisture content of sample does not need manually to take out during immersion
Weighing, but weighed automatically by weighing unit every 1s, the workload of operator is substantially reduced, taking-up rock sample is avoided
When error caused by wiping is uneven, absorbent time is different, and the unit time weighed is shorter, and test data is more acurrate, reliable.
C) the lossless immersion device of rock material provided by the invention can by the simply anti-ponding component of setting structure
Specimen surface ponding is avoided, the accuracy of test result is improved.
Sample only need to be placed on constant humidity in the test preparation stage by d) the lossless immersion method of rock material provided by the invention
On weighing unit in case, and shift to an earlier date to water collector topped up with water or add the water of 1/2~2/3 volume of water collector, opens switch, entirely
Test process is automatically performed.Due to setting the circulatory system in the instrument, it is not required to add water again in water collector, therefore soak in the process not
Staff's moment is needed to supervise, it is easy to operate.
E) the lossless immersion method of rock material provided by the invention, by the way that dehydration cap is arranged at the top of sample or sets sample
In on inclined base, avoiding surface water accumulation in sample water absorption course, the result accuracy of Water uptake measurement is improved
F) the lossless immersion method of rock material provided by the invention avoids sample and anti-ponding by setting water suction component
Ponding is generated in gap between component, the accuracy of test Water uptake measurement is further ensured, test result is made more may be used
It leans on.
Method and apparatus provided by the invention are based on identical principle, can mutually use for reference in place of correlation, and can reach phase
Same technical effect.
It in the present invention, can also be combined with each other between above-mentioned each technical solution, to realize more preferred assembled schemes.This
Other feature and advantage of invention will illustrate in the following description, also, certain advantages can become from specification it is aobvious and
It is clear to, or understand through the implementation of the invention.The objectives and other advantages of the invention can by specification, claims with
And it is achieved and obtained in specifically noted content in attached drawing.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not to be construed as limiting the invention, in entire attached drawing
In, identical reference symbol indicates identical component.
Fig. 1 is the structural schematic diagram of the lossless immersion device of rock material in embodiment；
Fig. 2 (a) is the top view of weigh assembly in embodiment；
Fig. 2 (b) is the front view of weigh assembly in embodiment；
Fig. 3 is the top view of water collector in embodiment；
Fig. 4 is the front view of humidifier in embodiment；
Fig. 5 (a) is the structural schematic diagram that cap is dehydrated in embodiment；
Fig. 5 (b) is the structural schematic diagram of inclined base in embodiment；
Fig. 6 is the schematic diagram that sample places dehydration cap in embodiment；
Fig. 7 is that square sample is placed in the schematic diagram on inclined base in embodiment；
Fig. 8 is the structural schematic diagram of hollow out bracket in embodiment；
Fig. 9 is that sample is placed in the schematic diagram on hollow out bracket in embodiment.
Appended drawing reference:
1- horizontal panel；2- vertical panel；3- constant humidity cabinet；4- water collector；5- humidifier；6- weighing unit；7- weighing support
Platform；8- bracket；9- gravity sensor；10- module bracket；11- pressure relief opening sealing cover；12- water filling port；13- water collector relief hole；
14- indicator light；15- humidification switch；16- circular cone is dehydrated cap；17- pyramid is dehydrated cap；18- cuboid sample；19- water suction component；
20- cylindrical specimens one；21- inclined base；22- square sample；23- cylindrical specimens two；24- hollow out bracket；25- sample
Mounting portion.
Specific embodiment
Specifically describing the preferred embodiment of the present invention with reference to the accompanying drawing, wherein attached drawing constitutes the application a part, and
Together with embodiments of the present invention for illustrating the principle of the present invention, it is not intended to limit the scope of the present invention.
A specific embodiment of the invention discloses a kind of lossless immersion device of rock material, as shown in Figure 1, including
The gas outlet of constant humidity cabinet 3, humidifier 5, water collector 4 and host, humidifier 5 is connect with constant humidity cabinet 3, and water inlet and water collector 4 connect
It connects, constant humidity cabinet 3, humidifier 5 and water collector 4, which are connected to, constitutes circulation line；Wherein, the data processing during host is used to soak
And operation control, host are that display screen and operation button is arranged in the data processing of lossless immersion device and control centre, host；Add
Wet device 5 is for feeding aqueous vapor into constant humidity cabinet 3, specifically, the water taken from water collector 4 will be converted to aqueous vapor by humidifier 5, and
The aqueous vapor of generation is fed in constant humidity cabinet 3；The temperature for temperature and humidity in real-time monitoring constant humidity cabinet 3 is equipped in constant humidity cabinet 3
Humidity detection component and the weigh assembly changed for real-time monitoring sample weight, temperature-humidity monitoring component and weigh assembly will be real
When the temperature and humidity information, the sample weight information that monitor be transferred to host, host can be to temperature, the humidity information received
And sample weight information is handled and is shown on a display screen, constant humidity cabinet 3 is equipped with gears regulating switch, can be as needed
Temperature and humidity in adjustment control constant humidity cabinet 3, host can also be handled received information, obtain test result.
The basic functional principle of the lossless immersion device of rock material in the present embodiment are as follows: turned using humidifier 5 as moisture
Makeup is set, and is extracted the pure water in water collector 4, is humidified in transparent constant humidity cabinet 3 to rock-like materials sample, each sample
It is placed on a weighing unit 6, host collects and records sample weight change curve, and every covering device can be simultaneously to multiple
Sample is monitored, and records temperature and humidity variation, temperature and humidity delta data of the host according to real-time monitoring, Neng Gougen
According to the humidity and temperature in design requirement adjustment constant humidity cabinet 3, the automatic control of humidity and moisture content is realized.
In order to improve testing efficiency, immersion test can obtain the real-time change situation of muti-piece sample moisture content every time, permanent
The weigh assembly being arranged in wet tank 3 includes multiple weighing units 6, it is preferable that the quantity of weighing unit 6 is 6-12.It is exemplary
, as shown in Fig. 2 (a)~Fig. 2 (b), weigh assembly includes containing 8 weighing units 6, and to all 6 number consecutivelies of weighing unit,
Monitoring different from host channel is corresponding respectively for each weighing unit 6, can distinguish and try on each weighing unit 6 of monitoring record
The real-time change of sample weight.Wherein, weighing unit 6 includes weighing saddle, bracket 8 and the gravity sensor 9 being arranged from bottom to top,
Preferably, the gravity sensor 9 of weighing unit 6 uses high-precision weighing sensor, such as S type load transducer or spoke type load
Sensor.During immersion, sample is placed on weighing saddle, and the real-time weight of sample is measured by sensor, and via circuit
Data are passed into host, data are fitted to curve and shown on a display screen by the runs software being arranged in host, since weighing is single
Member 6 has 8, therefore host can show the moisture content real-time change figure of 8 samples simultaneously.Furthermore, it is possible to pass through operation button
The weighing upper limit or lower limit of certain weighing unit 6 be set, successively come the moisture content of sample needed for automatically obtaining test.
In the present embodiment, weigh assembly is fixed on the bottom plate of constant humidity cabinet 3 by module bracket 10, and 8 weighing units 6 are fixed
In module bracket 10, module bracket 10 is engraved structure, and engraved structure can guarantee circulation of the aqueous vapor in constant humidity cabinet 3, keep away
Exempt from the barrier moved to water mist.
3 bottom of constant humidity cabinet is fallen in view of the part aqueous vapor in constant humidity cabinet 3 can condense into water droplet, in order to avoid water droplet accumulation
It hindering steam to recycle in circulation line, and then influences measuring accuracy, the bottom plate of constant humidity cabinet 3 is equipped with drainage channel and water tank,
Drainage channel is connect with water tank, and water tank is connected by conduit with water collector 4.During immersion, water collector 4 will by pipeline
Water is delivered to humidifier 5, and humidifier 5 is fed aqueous vapor in constant humidity cabinet 3 by way of steam, and the gas in constant humidity cabinet 3 is can
Be liquefied as water droplet under rate controlling rate, the water droplet condensed by water mist passes through module bracket 10 under the effect of gravity, through drainage channel into
Enter the water tank of 3 lower part of constant humidity cabinet setting, water is passed to water collector 4 by pipeline by water tank, the water flow thus soaked in device
It is dynamic to form circulation line, it need not secondary plus water during immersion.During immersion, there is minimal amount moisture during waterway circulating
It is lost, but the moisture being lost is negligible, mainly there are two links: 1) steam of relief hole for the water loss of entire process of soaking
Evolution, but since evolution efficiency is close to 0, it can be neglected；2) rock water suction causes total Water to reduce, but rock type materials
General water imbibition is not high, lose water far below the water stored in water collector 4, also can be ignored not relative to the water in header tank
Meter.Therefore, need repeated multiple times during immersion plus water different from existing immersion device, the lossless immersion device of the present embodiment
It only needs to fill water in header tank before experiment starts, within a certain period of time, does not need secondary plus water, not only reduce behaviour
Make the working strength of personnel, and avoid leading to the failure of an experiment because of 4 water shortage of water collector, also improves the operation is stable of immersion device
Property and intelligence degree.
In the present embodiment, the bulk containers made of duroplasts material of water collector 4, as shown in figure 3, the top of water collector 4
Equipped with pressure relief opening and water filling port 12, pressure relief opening and water filling port 12 are respectively provided with 12 sealing cover of pressure relief opening sealing cover 11 and water filling port.
Water collector relief hole 13 is equipped on pressure relief opening sealing cover 11, the diameter of water collector relief hole 13 is 4~6mm.It is transported according to device
Scanning frequency rate, water collector relief hole 13 are used for normal pressure release, when the emergency rapid pressure release of needs occurs, unscrew pressure relief opening sealing
Quick pressure releasing in emergency circumstances can be realized in lid 11.Pressure relief opening and water collector relief hole 13 are arranged on water collector 4 to be prevented
The excessive obstruction normal water circulation of air pressure in water collector 4.
When in view of the work of lossless immersion device, since humidifier 5 is constantly be generated aqueous vapor and enters constant humidity cabinet 3, constant humidity
Air pressure can gradually rise in case 3, and need stable air pressure in rock material immersion process, if pressure is excessive in constant humidity cabinet 3, one
Aspect hinders the newly generated steam of humidifier 5 to enter, and another aspect steam can be liquefied as water under big pressure condition, and liquid water is fallen
On sample, cause test result inaccurate.Therefore, to guarantee that gas normally circulates in constant humidity cabinet 3, constant humidity cabinet 3 is equipped with pressure release
Component, it is preferable that pressure release component is relief hole, and the aperture of relief hole is 4~6mm, and relief hole can be equipped with sealing cover.Work as constant humidity
When 3 internal pressure of case exceeds required steady pressure, a part of steam can be escaped through relief hole, under the rate of steam under control
Evolution, to maintain stable gas pressure in constant humidity cabinet 3.During immersion, relief hole remains connected state, to balance constant humidity
Pressure in case 3, within the specified scope by the pressure control in constant humidity cabinet 3, to prevent water mist in constant humidity cabinet 3 excessive, pressure mistake
Cause water mist to be liquefied as water greatly, influences moisture content growth rate.
In the present embodiment, humidifier 5 be it is lossless immersion device aqueous vapor source, humidifier 5 by conduit respectively with catchment
Device 4 is connected to constant humidity cabinet 3, it is preferable that humidifier 5 is ultrasonic type humidifier.When lossless immersion device works, ultrasonic type humidifier
Fetch water from water collector 4, by liquid it is water after water mist is transmitted to by constant humidity cabinet 3 by conduit.As shown in figure 4, humidifier 5 is set
There are indicator light 14 and humidification switch 15, indicator light 14 is used to indicate the working condition of humidifier 5, and humidifier 5 is switched for controlling
The starting and closing of humidifier 5, while the gear of rotation conditioning moisturer 5, when working properly, indicator light 14 can also be passed through
Shown in green, when job failure, indicator light 14 is shown in red.
In the present embodiment, the main component of the lossless immersion device of rock material is arranged on main body frame, main body frame
Including horizontal panel 1 and vertical panel 2,8 structure of horizontal panel 1 and 2 form right angle bracket of vertical panel, as shown in Figure 1, constant humidity
Case 3, humidifier 5, water collector 4 and host are all set on horizontal panel 1, display screen, switch, operation button or the adjustment of host
Button etc. may be provided on vertical panel 2, be placed in the constant humidity cabinet 3 on horizontal panel 1 against vertical panel 2, vertical panel 2 is set
There is opening, can be opened or closed the chamber door of constant humidity cabinet 3 by the opening, the lossless immersion apparatus structure of this structure more steps up
It gathers, improves the operation convenience of staff.
In the present embodiment, constant humidity cabinet 3 is made of transparent material, preferably glass steel material, staff's energy when device is run
Enough observe the state of its internal sample；The chamber door of constant humidity cabinet 3 is equipped with sealing structure, can guarantee the sealing of constant humidity cabinet 3.
To avoid specimen surface ponding during immersion, lossless immersion device further includes anti-ponding component, anti-ponding component
For preventing specimen surface ponding, anti-ponding component includes but is not limited to following two structure: the anti-ponding of the first structure
Component is dehydration cap, and as shown in Fig. 5 (a), dehydration cap is inverted cone-shaped structure, and dehydration cap cap 16 can be dehydrated for circular cone or pyramid is de-
Water cap 17, pyramidal structure can may be solid construction for hollow structure, and inverted cone-shaped structure is placed in the upper surface of sample and energy
Sample upper surface is enough covered, the anti-ponding component of the first structure can be used in sample of various shapes, be preferred for ratio of height to diameter
Sample greater than 1, during immersion, the upper surface of sample is horizontality, and the dehydration cap of pyramidal structure as shown in FIG. 6 is placed in
On cuboid sample 18, the dehydration cap of conical structure is placed on cylindrical specimens 1, and dehydration cap can make the water droplet of condensation
It is flowed down along back taper inclined-plane, to prevent sample upper surface ponding；The anti-ponding component of second of structure is inclined base 21, such as
Shown in Fig. 5 (b), V-shaped groove is arranged in inclined base 21, and V-shaped groove keeps heeling condition for limiting sample, makes each face
It is non-standard state, during immersion, the two neighboring face of sample is placed in V-shaped groove, makes all face Jun Chu of sample
In non-standard state, the anti-ponding component of second of structure is preferred for ratio of height to diameter less than 1 cylindrical specimens, as shown in Figure 7
Cylindrical specimens 2 23 can be used for square sample, be placed in the square sample 22 of the V-shaped groove of inclined base 21,
The surface of the square sample 22 of heeling condition will not generate ponding.One of preferred embodiment, the depth of V-shaped groove with
For V word angle depending on sample structure, a part of sample can be installed on V-shaped groove, and V-shaped groove is full of, examination
The side wall of sample and V-shaped groove is face contact, after sample is installed on V-shaped groove, between sample and the side wall of V-shaped groove not
There are gaps, so as to prevent gap internal water accumulation between sample and the side wall of V-shaped groove.
In the present embodiment, operator selects anti-ponding component according to the shape of sample, and sample of various shapes can be with
Using the anti-ponding component of the first structure, however, being greater than 1 cylindrical specimens for ratio of height to diameter, preferentially using the first knot
The anti-ponding component of structure, according to the anti-ponding component of second of structure, i.e. cylindrical specimens of the ratio of height to diameter greater than 1 are using inclination
Pedestal 21, since ratio of height to diameter is greater than 1, sample top weight is big, and the center of gravity and deviation supporting point of sample are easy to cause sample side
It turns over, stability is poor, and uses the anti-ponding component of the first structure, and sample will not turn on one's side.
To prevent sample to be placed in the V-shaped groove of inclined base 21, since specimen surface will not be substantially flat, sample with
There are gaps for the side wall of V-shaped groove, may ponding in gap during immersion.In order to avoid above-mentioned gap ponding, this implementation
A preferred embodiment in example, inclined base 21 are set as engraved structure, sample are placed on the inclined base 21 of engraved structure,
Even if specimen surface out-of-flatness causes the side wall of style and V-shaped groove there are gap, the water droplet agglomerated in gap also can be from engraving
Hollow structure leaks down, and will not generate ponding.
In the present embodiment, a kind of hollow out bracket has also been devised, during immersion, sample is placed on weighing group by hollow out branch
On part.Hollow out bracket is with using diameter to be made for the iron wire of 2~4mm, the bottom level of hollow out bracket, and hollow out bracket includes
The sample mounting portion of hollow out, it may be horizontal structure that sample mounting portion, which can be set to V-shaped structure, as shown in figure 8, hollow out
The sample mounting portion of bracket is horizontal structure.It is when test, cylindrical body style is horizontal on hollow out bracket, the curved surface of cylindrical body with
The contact of sample mounting portion；Alternatively, cuboid style is placed on bracket or stands cylindrical specimens on hollow out bracket, simultaneously
Cooperation water suction component and dehydration cap use, as shown in Figure 9.Sample is placed on hollow out bracket, can farthest guarantee to try
Each surface of sample comes into full contact with aqueous vapor, simultaneously as it is that point contact or line contact, and then guarantee sample and engrave that sample, which is with iron wire,
Empty bracket has smaller contact area, efficiently avoids ponding, it is ensured that test the accuracy of measurement, test result is more
Reliably.
In order to further prevent specimen surface ponding, anti-ponding component further includes water suction component 19, it is preferable that water suction component
19 be blotting paper or water-absorbing sponge, and water suction component 19 is carried out water suction saturated process in advance when use.According to dehydration cap, then will
It inhales water saturated water suction component 19 to be placed between sample upper surface and dehydration cap, water suction component 19 can prevent steam on sample
Gap between surface and dehydration cap, which is liquefied, to be gathered, and test result of soaking is influenced；According to inclined base 21, water saturated suction is inhaled
Water assembly 19 is placed in the V-shaped groove of inclined base 21, and water suction component 19 is affixed on groove walls, whole to be also in the shape of the letter V, then by sample
Two neighboring face is placed in the groove of water suction component 19.
Compared with prior art, the lossless immersion device of rock material provided in this embodiment, the gas outlet of humidifier 5 and perseverance
Wet tank 3 connects, and water inlet is connect with water collector 4, and the water flowing soaked in device forms circulation line, need not during immersion
Secondary plus water, not needing staff's moment during immersion supervises, easy to operate, reduces the workload of operator；
The weigh assembly being arranged in constant humidity cabinet 3 includes multiple weighing units 6, to all 6 number consecutivelies of weighing unit, each weighing unit
6 is corresponding with the monitoring channel in host, can distinguish the real-time change of sample weight on each weighing unit 6 of monitoring record, leaching
The moisture content of sample does not need manually to take out weighing during water, but is weighed automatically by weighing unit 6 every 1s, substantially reduces
The workload of operator avoids wiping unevenness when taking out rock sample, error caused by absorbent time difference, and weighs
Unit time it is shorter, test data is more acurrate, reliable；All test datas can be shown in the form of table or image
On host display, operator can be helped to grasp test progress at any time, more intuitively；Meanwhile by being arranged in advance in host
The weighing upper limit and lower limit facilitate operator and obtain estimated moisture content rock sample, are conducive to accurately carry out next step test.
By the way that dehydration cap is arranged at the top of sample or sample is placed on inclined base, avoids surface in sample water absorption course and gather
Water improves the result accuracy of Water uptake measurement；By setting blotting paper and water-absorbing sponge avoid sample and dehydration cap or
Inclined base gap ponding further ensures the accuracy of test Water uptake measurement, keeps test result relatively reliable.
Embodiment two
The present embodiment discloses a kind of lossless immersion method of rock material, the specific lossless immersion device for utilizing embodiment one kind
Immersion test is carried out, is included the following steps:
Smooth and purifying processing is carried out to specimen surface；Specifically, test sample surface wipes are clean, by sample table
Face carries out planarization processing, it is ensured that the smooth no fluctuating of specimen surface, to avoid water mist in water absorption course, surface is condensed on it
Water is simultaneously assembled, and the accuracy of 6 measured data of weighing unit is influenced.
Sample is installed in constant humidity cabinet, sample is placed on the weighing saddle in constant humidity cabinet 3.The chamber door of constant humidity cabinet 3 is opened,
Sample is placed on weighing saddle, selects and anti-ponding component is installed.If anti-ponding component is dehydration cap, first sample is set
It on weighing drag platform 7, is placed in sample upper surface and inhales water saturated water suction component 19, then circular cone is dehydrated cap 16 or pyramid dehydration
Cap 17 is placed on water suction component 19；If anti-ponding component is inclined base 21, it will first inhale water saturated water suction component 19 and be placed in and incline
The V-shaped groove of sloping bottom 21, then by sample be placed in water suction component 19 groove, will finally be equipped with sample and water suction component 19
Inclined base 21 be integrally placed to weighing drag platform 7 on.After sample is placed, the chamber door of constant humidity cabinet 3 is closed.
It is filled the water into water collector 4.It is filled the water by water filling port 12 into water collector 4, due to being equipped with cyclic system in immersion device
System, water flow in circulation line, and water mist can turn again in water collector 4 after condensing into water in humidistat, therefore water injection rate
It is the 1/2~2/3 of 4 capacity of water collector.
The upper limit or lower limit of weighing unit 6 are set by the operation button of host, the upper limit or lower limit of weighing unit 6 regard examination
Test demand decision；For the demand of different tests, host can also be connected with computer, and then realize more parameters setting and number
According to writing function.
Humidifier 5, the steam soaking wet sample surface that humidifier 5 generates are opened, host is believed based on temperature, the humidity received
Breath and sample weight information obtain the change curve of the weight of sample and/or moisture content under different rate of water absorption.Specifically
, humidifier 5, rotation humidification switch 15 are opened, gear needed for adjusting indicates instrument when work light 14 is shown in green
Device starts to work normally, and when work light 14 is shown in red, indicates instrument operation irregularity.Humidifier 5 extracts water collector 4
In pure water, and convert aqueous vapor for liquid water, feed in constant humidity cabinet 3 and rock-like materials sample is humidified, sample
Real-time weight is measured by sensor, and data are passed to host via circuit, the runs software record processing examination being arranged in host
Sample weight change data, and data are fitted to curve and are shown on a display screen, host is according to the temperature and humidity of real-time monitoring
Delta data can adjust humidity and temperature in constant humidity cabinet 3 according to design requirement, realize the automatic control of humidity and moisture content
System.During immersion, periodically check whether work light 14 alarms and the experimental data of display screen, according to experimenter
Need to come when determination device stops working.
In the present embodiment, operator selects anti-ponding component according to the shape of sample, and sample of various shapes can be with
Using the anti-ponding component of the first structure, however, being greater than 1 cylindrical specimens for ratio of height to diameter, preferentially using the first knot
The anti-ponding component of structure, according to the anti-ponding component of second of structure, i.e. cylindrical specimens of the ratio of height to diameter greater than 1 are using inclination
Pedestal 21, since ratio of height to diameter is greater than 1, sample top weight is big, and the center of gravity and deviation supporting point of sample are easy to cause sample side
It turns over, stability is poor, and uses the anti-ponding component of the first structure, and sample will not turn on one's side.
In view of sample is placed in the V-shaped groove of inclined base 21, since specimen surface will not be substantially flat, sample with
There are gaps for the side wall of V-shaped groove, may ponding in gap during immersion.In order to avoid above-mentioned gap ponding, using engraving
The inclined base 21 of hollow structure, sample is placed on the inclined base 21 of engraved structure, even if specimen surface out-of-flatness leads to formula
There are gap, the water droplet agglomerated in gap can also leak down the side wall of sample and V-shaped groove through engraved structure, will not generate ponding.
In the present embodiment, when selecting anti-ponding component, hollow out bracket can be also selected as needed, hollow out bracket uses
Diameter is that the iron wire of 2~4mm is made, and the bottom level of hollow out bracket, hollow out bracket includes the sample mounting portion of hollow out, examination
It may be horizontal structure that sample mounting portion, which can be set to V-shaped structure, as shown in figure 8, the sample mounting portion of hollow out bracket is
Horizontal structure.When test, cylindrical body style is horizontal on hollow out bracket, the curved surface of cylindrical body is contacted with sample mounting portion；Or
Cuboid style is placed on bracket or stands cylindrical specimens on hollow out bracket by person, while cooperating water suction component and taking off
Water cap uses, as shown in Figure 9.Sample is placed on hollow out bracket, can farthest guarantee that each surface of sample is filled with aqueous vapor
Tap touching, simultaneously as it is that point contact or line contact, and then it is smaller to guarantee that sample and hollow out bracket have that sample, which is with iron wire,
Contact area efficiently avoids ponding, it is ensured that tests the accuracy of measurement, test result is relatively reliable.
Compared with prior art, rock material immersion method provided in this embodiment need to will only be tried in the test preparation stage
Sample is placed on the weighing unit 6 in constant humidity cabinet 3, and fills it up with or add the water of 1/2~2/3 volume of water collector to water collector 4 in advance,
It is then turned on switch, due to setting the circulatory system in the instrument, is not required to add water again in water collector 4, therefore during immersion
Not needing staff's moment supervises, easy to operate；The moisture content of sample does not need manually to take out weighing during immersion,
But weighed automatically by weighing unit 6 every 1s, the workload of operator falls sharply, and avoids and wipes not when taking out rock sample
, error caused by absorbent time is different, and the unit time weighed is shorter, test data is more acurrate, reliable；All examinations
Data are tested to show on host display in the form of table or image, thus can help operator grasp at any time test into
Exhibition, it is intuitive and comprehensive；Meanwhile facilitating operator by the way that the weighing upper limit and lower limit is arranged in host in advance and obtaining estimated contain
Water rate rock sample is conducive to accurately carry out next step test.During immersion, by the way that dehydration cap is arranged at the top of sample or will try
Sample is placed on inclined base, avoids surface water accumulation in sample water absorption course, improves the result accuracy of Water uptake measurement；
Sample and dehydration cap or inclined base gap ponding are avoided by setting blotting paper and water-absorbing sponge, further ensures test
The accuracy of Water uptake measurement keeps test result relatively reliable.The embodiment of the method for embodiment two and the device of embodiment one are real
Example is applied, identical principle is based on, can mutually be used for reference in place of correlation, and identical technical effect can be reached.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of lossless immersion device of rock material, which is characterized in that including constant humidity cabinet, humidifier, water collector and host；
The gas outlet of the humidifier is connect with the constant humidity cabinet, and water inlet is connect with water collector, the constant humidity cabinet, humidifier and
Water collector connection constitutes circulation line；
The host is for the data processing and operation control during soaking；
The humidifier is for feeding aqueous vapor into constant humidity cabinet；
Temperature-humidity monitoring component and weigh assembly are equipped in the constant humidity cabinet, temperature-humidity monitoring component is used for real-time monitoring constant humidity cabinet
Temperature, humidity information are simultaneously transferred to host by interior temperature, humidity information, and weigh assembly changes for real-time monitoring sample weight
Sample weight information is simultaneously transferred to host by information, host to the temperature, humidity information and sample weight information received into
Row processing, obtains test result.
2. the lossless immersion device of rock material according to claim 1, which is characterized in that further include for preventing sample table
The anti-ponding component of area water.
3. the lossless immersion device of rock material according to claim 2, which is characterized in that the anti-ponding component is dehydration
Cap, the dehydration cap are inverted cone-shaped structure.
4. the lossless immersion device of rock material according to claim 2, which is characterized in that the anti-ponding component is inclination
Pedestal, the inclined base are equipped with the V-shaped groove for being in non-standard state for limiting each face of sample.
5. the lossless immersion device of rock material according to claim 1, which is characterized in that the weigh assembly passes through module
Bracket is fixed on the bottom plate of the constant humidity cabinet；
The module bracket is engraved structure.
6. the lossless immersion device of rock material according to claim 1, which is characterized in that the bottom plate of the constant humidity cabinet is equipped with
Drainage channel and the water tank being connected to the drainage channel, the water tank are connected by conduit with water collector.
7. the lossless immersion device of rock material according to claim 1, which is characterized in that the water collector is equipped with pressure relief opening
And water filling port, pressure relief opening and water filling port are matched respectively is arranged with pressure relief opening sealing cover and water filling port sealing cover；
The pressure relief opening sealing cover is equipped with water collector relief hole, and the constant humidity cabinet is equipped with relief valve or constant humidity cabinet relief hole.
8. -7 any lossless immersion device of rock material according to claim 1, which is characterized in that the weighing unit packet
Include weighing saddle, bracket and the gravity sensor being arranged from bottom to top；
The gravity sensor uses S type load transducer or spoke type load transducer.
9. a kind of immersion method based on the lossless immersion device of the rock material described in claim 1 to 8, which is characterized in that packet
Include following steps:
Smooth and purifying processing is carried out to specimen surface；
Sample is installed in constant humidity cabinet, sample is placed on the weighing saddle in constant humidity cabinet；
Set the upper limit or lower limit of weighing unit；
It is filled the water into water collector, opens humidifier, the steam soaking wet sample surface that humidifier generates, host is based on the temperature received
Degree, humidity information and sample weight information, the variation for obtaining the weight of sample and/or moisture content under different rate of water absorption are bent
Line.
10. the immersion method of the lossless immersion device of rock material according to claim 9, which is characterized in that in constant humidity cabinet
When middle installation sample, anti-ponding component is installed；
According to dehydration cap as anti-ponding component, then first sample is placed on weighing drag platform, places and inhale in the upper surface of sample
Water saturated water suction component, then dehydration cap is placed on water suction component；
According to inclined base as anti-ponding component, then it will first inhale water saturated water suction component and be placed in the V-shaped of inclined base
Groove, then by sample be placed in water suction component groove, finally by be equipped with sample and absorb water component inclined base integrally place
On weighing drag platform.
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| CN113966855A (en) * | 2021-11-24 | 2022-01-25 | 河南中烟工业有限责任公司 | Co-heating type tobacco sample preparation device with fixed moisture content and preparation method |
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