CN103175585B - For detecting tester and the method for testing thereof of propping agent blocking solution height - Google Patents
For detecting tester and the method for testing thereof of propping agent blocking solution height Download PDFInfo
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- CN103175585B CN103175585B CN201210459206.1A CN201210459206A CN103175585B CN 103175585 B CN103175585 B CN 103175585B CN 201210459206 A CN201210459206 A CN 201210459206A CN 103175585 B CN103175585 B CN 103175585B
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Abstract
The present invention relates to a kind of tester for detecting propping agent blocking solution height and method of testing thereof, described tester comprises: measurement mechanism, comprise the dress liquid portion of charging portion and the accommodating test liquid holding propping agent to be measured, dress liquid portion and extraneous conducting, charging portion adopts hydrophobic material manufacture; Level sensor, for being embedded in position near described propping agent middle distance upper surface to be measured; Processor, receives the signal that level sensor sends, and the height obtaining the accommodating test liquid in dress liquid portion when level sensor senses test liquid is blocking solution height.Tester for detecting propping agent blocking solution height of the present invention is without the need to simulation stratum condition, can under atmospheric pressure state, test out the blocking solution height of test liquid by the propping agent of predetermined filling thickness intuitively, thus assess the liquid barrier property of propping agent intuitively, exactly; Different propping agent is under same test condition, and draw different blocking solution height, blocking solution height value is larger, and liquid barrier property is better, otherwise liquid barrier property is poorer.
Description
Technical field
The present invention relates to liquid barrier property testing apparatus and the method thereof of propping agent, being specifically related to a kind of tester for detecting propping agent blocking solution height and method of testing thereof.
Background technology
In the performance history of Oil/gas Well, due to the continuous decline of reservoir pressure, cause edge water propelling and end liter waterborne, in addition the increasing yield and injection operation such as pressure break, acidifying, water filling, cause the oil gas water percentage of Oil/gas Well to raise, even reach more than 90%, this not only makes production efficiency decline, make oil gas field sewage load sharply increase simultaneously, consume a large amount of human and material resources.The propping agent with selectivity liquid barrier property injects stratum in fracturing process, for supporting crack, improves a kind of material with water resistance characteristic of fracture flow capacity, obviously can reduce the water rate of Oil/gas Well, improve oil and gas production.Liquid barrier property refers to propping agent hinders liquid and passes through ability when normal pressure is piled up, can with the pressure hindering liquid column to produce, i.e. blocking solution height, represents.The test index of the liquid barrier property of Uniform provisions propping agent, instrument, method etc. are not had in the company standard of oil and gas industry standard and the large enterprise such as PetroChina Company Limited., China Petrochemical Industry.
Chinese patent literature CN201697857U discloses a kind of pick-up unit for fracturing propping agents, comprise air deflector, this air deflector comprises housing and moving press plate, is limited with the cavity volume for holding fracturing propping agents in housing, inlet porting and outlet on housing, moving press plate can do Linear-moving; At least first liquid feedway is connected with described entrance by valve with second liquid feedway, and this valve one of selectively controlling in first liquid feedway and second liquid feedway communicates with entrance; Flow measurement device, for measuring the flow of the liquid flowed out from outlet; And controller, this controller is electrically connected with first liquid feedway, second liquid feedway and flow measurement device.Pick-up unit in the prior art, flow measurement device detects can by the flow of the liquid of cavity volume, evaluates the penetrating power of propping agent to water and oil product with this.In certain hour, flow is larger, illustrates that the penetrating power of propping agent is poorer, otherwise the penetrating power of propping agent is better; Flow is fewer, and blocking solution height value is larger, illustrates that the liquid barrier property of propping agent is better, otherwise, illustrate that the liquid barrier property of propping agent is poorer.Above-mentioned detection device partial simulation formation condition, but process is loaded down with trivial details, detection time is longer, be not suitable for the needs of production testing, and the quality of liquid barrier property that different propping agent blocking solution height at ambient pressure reflects is consistent with the liquid barrier property quality that the blocking solution height under clossing pressure reflects, the blocking solution height value of the propping agent that namely blocking solution height value is high at ambient pressure under clossing pressure is also relatively high.In addition, above-mentioned detection device only have rated the liquid barrier property of propping agent from the test liquid flow angle penetrating propping agent, not mentioned blocking solution height and measurement mechanism thereof, result is directly perceived not.
Summary of the invention
For this reason, the technical matters that the equipment being the liquid barrier property of prior art to propping agent needs simulation stratum condition to bring to be solved by this invention is complicated and test process is loaded down with trivial details, provides a kind of tester for detecting propping agent liquid barrier property and method of testing thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
For detecting a tester for propping agent blocking solution height, comprising:
Measurement mechanism, the dress liquid portion comprising the charging portion for holding propping agent to be measured and be positioned at for accommodating test liquid above described charging portion, described dress liquid portion and extraneous conducting, described dress liquid portion adopts hydrophobic material manufacture;
Level sensor, for being embedded in position near described propping agent middle distance upper surface to be measured;
Processor, is connected with described level sensor, and for receiving the signal that described level sensor sends, the height obtaining the accommodating test liquid in dress liquid portion when described level sensor senses test liquid is blocking solution height.
As a kind of embodiment, described tester also comprises feeding device, and described feeding device is provided with valve and drain pipe, and wherein, described valve is connected with described processor, and processor by-pass valve control is opened and turned off; The outlet end of described drain pipe extend into the near top in described charging portion.
As a kind of embodiment, described feeding device also comprises constant flow pump, and for described test liquid is pumped into described measurement mechanism, the speed that pumps into of described constant flow pump is 60-80ml/min.
As a kind of embodiment, described measurement mechanism is the transparent customization graduated cylinder with altitude scale.
As a kind of embodiment, when also comprising use, be placed in the filter paper for current stabilization above propping agent to be measured described in described charging portion.
Based on same inventive concept, the method for testing that the present invention also provides a kind of above-mentioned tester to realize, comprises the steps:
S1: propping agent to be measured is inserted in described charging portion, and by smooth for the upper surface process of described propping agent to be measured, level sensor imbedded predetermined position near described propping agent middle distance upper surface to be measured, described level sensor is connected with processor;
S2: test liquid is injected described dress liquid portion; Described processor receives the signal of described level sensor, and when described level sensor senses test liquid, stops to described dress liquid portion note test liquid;
S3: the height measuring the now test liquid that described dress liquid portion is accommodating, described height is blocking solution height.
As a kind of embodiment, in described step S2, test liquid is injected described dress liquid portion under the prerequisite not destroying described propping agent upper surface to be measured.
As a kind of embodiment, in described step S2, test liquid is pumped into described measurement mechanism by constant flow pump by described feeding device, and the speed that pumps into of described constant flow pump is 60-80ml/min.
As a kind of embodiment, in described step S1, the upper surface being also included in described propping agent to be measured covers the step of filter paper.
As a kind of embodiment, before described step S1, also comprise and described propping agent to be measured dried and is cooled to the step of room temperature.
As a kind of embodiment, repeat step S1 for more than five times to step S3, obtain more than five blocking solution height values respectively, give up the individual data point obviously departing from actual value, and the mean value obtaining all the other blocking solution height values is as final blocking solution height.
Technique scheme of the present invention has the following advantages compared to existing technology:
Tester and method of testing thereof for detecting propping agent blocking solution height of the present invention comprises measurement mechanism, level sensor and processor, propping agent to be measured is inserted measurement mechanism, when test liquid is injected measurement mechanism, obtain the highest liquid level entering test liquid in measurement mechanism, be blocking solution height.The present invention is without the need to simulation stratum condition, can complete under atmospheric pressure state, test equipment is few, test process is simple, test out test liquid this liquid barrier property index of blocking solution height by the propping agent to be measured of predetermined filling thickness intuitively, in this, as reference, can facilitate, assess intuitively, exactly the liquid barrier property of propping agent; Dissimilar propping agent adopts tester of the present invention and test liquid to be measured, and ensure that the filling thickness of the propping agent that test liquid permeates is identical, the blocking solution height of different propping agent can be drawn, blocking solution height value is larger, show that liquid barrier property is better, blocking solution height value is less, shows that liquid barrier property is poorer.
The present invention, by being extend near charging portion by the outlet end of feeding device drain pipe, makes the speed of the outflow test liquid of outlet end identical with arriving the test liquid speed of proppant surface, avoids that outlet end is too high brings propping agent excessive impact.By arranging constant flow pump, while realizing automatic feed liquor, stable test liquid flow velocity being also provided, avoiding change in flow to break up propping agent, ensure that measurement result is accurate.Can insoluble impurities in filtrated testing liquid by arranging filter paper, disperse test liquid simultaneously, play current stabilization effect, avoid propping agent to break up, affect testing result.Dried by propping agent to be measured before detection, avoiding propping agent to be measured itself because of moist affects liquid barrier property.Through repeated detection, obtain multiple blocking solution height value, give up the individual data point obviously departing from actual value, remainder data is calculated to the mean value of blocking solution height, avoid because operation reason causes measuring result error excessive.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is the structural representation of the tester for detecting propping agent blocking solution height to be measured of the embodiment of the present invention one;
Fig. 2 is the structural representation of the tester for detecting propping agent blocking solution height to be measured of the embodiment of the present invention two.
In figure, Reference numeral is expressed as: 101-first liquid reserve tank, and 102-constant flow pump, 103-customizes graduated cylinder, 104-first processor, 105-liquid outlet, 106-thermo detector, 107-fluid level gauge, 108-air hole, 109-first level sensor, graduated cylinder is customized, 201-integral type customization graduated cylinder, 202-second level sensor under 110-, 203-second processor, 204-drain pipe, 205-second liquid reserve tank, 206-valve.
Embodiment
Embodiment one, see Fig. 1, a kind of tester for detecting propping agent blocking solution height of the present invention, described tester comprises:
First liquid reserve tank 101, described first liquid reserve tank 101 inside is provided with the thermo detector 106 of the temperature for measuring described first liquid reserve tank 101 build-in test liquid; Described first liquid reserve tank 101 outer setting has the fluid level gauge 107 for showing liquid level in described first liquid reserve tank 101.The temperature that thermo detector 106 can obtain test liquid is set in the first liquid reserve tank 101, to record the liquid barrier property of propping agent to the test liquid of different temperatures; Fluid level gauge 107 is set, the liquid level in the first liquid reserve tank 101 can be shown, to adjust liquid level in the first liquid reserve tank 101 in good time, avoid liquid level too high test liquid spilling or the too low gas that makes of liquid level to pump into measurement mechanism.
Feeding device, described feeding device is provided with valve, drain pipe and constant flow pump 102; The outlet end of described drain pipe extend into the near top in described charging portion.The inlet of feeding device is connected with the liquid outlet 105 of described first liquid reserve tank 101.Described constant flow pump 102 is for pumping into measurement mechanism by described test liquid, and the speed that pumps into of described constant flow pump 102 is 60-80ml/min.By arranging constant flow pump 102, while realizing automatic feed liquor, additionally providing stable liquid stream, avoiding flow velocity to neglect fast neglecting slowly, breaking up propping agent, cause measurement result inaccurate.But the invention is not restricted to use constant flow pump 102, other devices that can realize controlling test liquid flow velocity also can be suitable for.
Measurement mechanism, the dress liquid portion that dress liquid portion comprises the charging portion for holding propping agent to be measured and is positioned at for accommodating test liquid above described charging portion, described dress liquid portion and extraneous conducting, described dress liquid portion adopts hydrophobic material manufacture; In the present embodiment, described charging portion and dress liquid portion adopt two transparent customization graduated cylinders respectively: above customize graduated cylinder 103 and lower customization graduated cylinder 110, the outer wall of described upper customization graduated cylinder 103 and described lower customization graduated cylinder 110 all there is altitude scale, described upper customization graduated cylinder 103 is as dress liquid portion, described lower customization graduated cylinder 110 is as charging portion, described lower customization graduated cylinder 110 adopts common hydrophobic material, and when flowing into avoid test liquid, liquid stream flows down along lower customization graduated cylinder 110 sidewall, affects testing result.Wherein, described upper customization graduated cylinder 103 both ends open, described lower customization graduated cylinder 110 one end open, the other end has sealed base, and described upper customization graduated cylinder 103 and described lower customization graduated cylinder 110 openend are oppositely arranged up and down, and the outer wall connected between described upper customization graduated cylinder 103 and described lower customization graduated cylinder 110 is provided with draw-in groove and closure, and sealed by elastic seal ring, when avoiding injecting test liquid, test liquid flows out from here, affects measurement result; The drain pipe of described feeding device is stretched into by upper customization graduated cylinder 103 top, and is fixed by rubber plug, and to avoid when test liquid flows, drain pipe rocks, change in flow, impacts propping agent, affects test result.The top of described upper customization graduated cylinder 103 and rubber plug are also provided with air hole 108 so that with air conducting, ensure test carry out at ambient pressure.In the present embodiment, described upper customization graduated cylinder 103 and lower customization graduated cylinder 110 internal diameter are 50mm, and the height of lower customization graduated cylinder 110 is 150mm, and the proppant pack thickness that when being convenient to ensure repeated detection, test liquid flows through is identical.
First level sensor 109, for being embedded in described propping agent middle distance upper surface 2mm position to be measured, and being all embedded in described propping agent to be measured and not exposing;
First processor 104, be connected with described first level sensor 109, for receiving the signal that described first level sensor 109 sends, the test liquid height obtaining dress liquid portion when described first level sensor 109 senses test liquid accommodating is blocking solution height.
Filter paper, propping agent upper surface to be measured described in described charging portion is placed in during use, for current stabilization, mainly through test liquid being distributed to described propping agent to be measured more in large area, play current stabilization effect, propping agent breaks up by the support avoiding test liquid only to act on very small size, ensures the accuracy of testing conditions and detection architecture; Insoluble impurities in all right filtrated testing liquid.One as the above embodiment of the present invention is out of shape, and described liquid reserve tank adopts transparent material manufacture, and is carved with scale on outer wall, cancels the setting of fluid level gauge.
As the distortion of above-described embodiment, the base of described lower customization graduated cylinder 110 is screen mesh type base, ensures that the air pressure in charging portion is an atmospheric pressure, more convenient enforcement; Described in above-described embodiment, lower customization graduated cylinder 110 has air-locked base, when when testing, test liquid immerses from surface, the air that can extrude described propping agent to be measured moves downward, and then generation certain pressure intensity, because the amount of the propping agent of test liquid immersion is considerably less, the amount of the air correspondingly squeezed out is also very little, and then the pressure produced is very little, can be similar to and thinks an atmospheric pressure.
Based on same inventive concept, the method for testing that the present invention also provides above-mentioned tester to realize, comprises the steps:
S1: propping agent to be measured is inserted in lower customization graduated cylinder 110, and the upper surface of described propping agent to be measured is struck off and filter paper of mating formation; In charging process, first level sensor 109 is imbedded described propping agent middle distance upper surface 2mm position to be measured, described first level sensor 109 is connected with first processor 104, then described upper customization graduated cylinder 103 is oppositely arranged with lower customization graduated cylinder 110, and customize on described on the outer wall that connects between graduated cylinder 103 and described lower customization graduated cylinder 110 and be provided with draw-in groove and closure, finally sealed by elastic seal ring, ensure that described upper customization graduated cylinder 103 seals completely with lower customization graduated cylinder 110 junction;
S2: test liquid is continued to inject described upper customization graduated cylinder 103 with 60-80ml/min speed by constant flow pump; Meanwhile, described first processor 104 receives the signal of described first level sensor 109, and when described first level sensor 109 senses test liquid, stops injecting test liquid to described upper customization graduated cylinder 103;
S3: the height measuring the now test liquid of described 103 li, upper customization graduated cylinder, the test liquid height of described 103 li, upper customization graduated cylinder is the blocking solution height of described propping agent to be measured.
Blocking solution height refers to, propping agent hinders test liquid to pass through ability when normal pressure is piled up, represents with the pressure hindering the fluid column of test liquid to produce.In the present embodiment, owing to adopting water as test liquid, for convenience of understanding, therefore hereinafter referred to as " block water height ".In the above-mentioned testing process of the present embodiment, when water enters described dress liquid portion, due to the resistance effect of propping agent, in dress liquid portion, water level starts to rise, when rising to certain altitude, under the pressure of water, propping agent starts infiltration water, sends signal when described first level sensor 109 senses water, when described first processor 104 receives the signal of described first level sensor 109, stop water inlet, height of water level is now the height that blocks water.
The position of imbedding of described first level sensor 109 should be predeterminated position, in order to avoid affect test repeatability.First level sensor 109 should be positioned at left and right, below propping agent upper surface 2mm place.Because propping agent is the loose state of normal pressure, therefore easily broken up by ambient pressure, and then cause test result to be forbidden or test crash, so level sensor should not be imbedded shallow; Itself be highly the ability that tolerance propping agent normal pressure hinders water to pass through owing to blocking water, if any obvious infiltration, then exceeded the scope of its blocking solution height, therefore the first level sensor 109 should not be imbedded dark.Consider, be advisable with 2mm place, both can ensure to measure and normally carry out, be unlikely to again obvious infiltration.
Before described step S1, also comprise and described propping agent to be measured to be measured is dried and is cooled to the step of room temperature.Dry best at 105 DEG C, the time is 1 hours; Cooling in exsiccator must be placed in during cooling, prevent condensation vapor in proppant surface, affect testing result.
As the method for testing of other embodiments of the invention, also comprise and repeatedly repeat step S1 to step S3, number of times is preferably more than five times, obtain more than five blocking solution height values respectively, give up the individual data point obviously departing from actual value, and the mean value obtaining blocking solution height value described in all the other is as final blocking solution height.
Embodiment two, shown in Figure 2:
A kind of tester for detecting propping agent blocking solution height of the present invention, comprising:
Second liquid reserve tank 205, described second liquid reserve tank 205 outer wall adopts transparent material manufacture, and described outer wall is carved with altitude scale, can liquid storage amount in the second liquid reserve tank described in Real Time Observation, so that the liquid storage amount in good time in described second liquid reserve tank 205 of adjustment, in order to avoid the too high test liquid of liquid level overflows or liquid level is too low gas inject measurement mechanism in the second liquid reserve tank 205.
Feeding device, described feeding device is provided with valve 206 and drain pipe 204, and the outlet end of described drain pipe extend into the near top in charging portion.The inlet of feeding device is connected with the liquid outlet of described second liquid reserve tank 205.
Measurement mechanism, the dress liquid portion comprising the charging portion for holding propping agent to be measured and be positioned at for accommodating test liquid above described charging portion, described dress liquid portion and extraneous conducting, described charging portion adopts hydrophobic material manufacture.In the present embodiment, described measurement mechanism adopts integral type customization graduated cylinder 201, the latter half of described integral type customization graduated cylinder 201 is as charging portion, the first half of described integral type customization graduated cylinder 201 is as dress liquid portion, the thickness loading propping agent is not limited to 1/2 place of integral type customization graduated cylinder 201, can need to insert certain thickness propping agent according to substantial evidence, as long as ensure that repeated detection is under identical conditions.The charging portion of described integral type customization graduated cylinder 201 adopts common hydrophobic material, and when flowing into avoid test liquid, liquid stream flows down along customization graduated cylinder sidewall, affects testing result.Wherein, described integral type customization graduated cylinder 201 upper end open, communicates with air.The drain pipe of described feeding device customizes graduated cylinder 201 upper end by described integral type and stretches into, and when testing, ensureing that drain pipe is stable as far as possible and not rocking, in order to avoid during test liquid flowing, drain pipe rocks, impacting propping agent.Described integral type customization graduated cylinder 201 lower end closed, also can have through hole, make integral type customize graduated cylinder 201 lower end and air conducting, get rid of the impact of cylinder internal gas pressure on test, the size of described through hole can ensure propping agent is not revealed, and can arrange a through hole or multiple through hole.
Second level sensor 202, for being embedded in described propping agent middle distance upper surface 2mm position to be measured; And be all embedded in described propping agent to be measured and do not expose.
Second processor 203, described second processor 203 is connected with described second level sensor 202, receives the signal that described second level sensor sends; Meanwhile, described second processor 203 is connected with described valve 206, and described second processor 203 controls opening and turning off of described valve 206.
Filter paper, propping agent upper surface to be measured described in described charging portion is placed in during use, for current stabilization, mainly through test liquid being distributed to described propping agent to be measured more in large area, play current stabilization effect, propping agent breaks up by the support avoiding test liquid only to act on very small size, ensures the accuracy of testing conditions and detection architecture; Insoluble impurities in all right filtrated testing liquid.
Based on same inventive concept, the method for testing that the present invention also provides above-mentioned tester to realize, comprises the steps:
T1: propping agent to be measured is inserted in integral type customization graduated cylinder 201, reach graduated cylinder 1/2 height, and the upper surface of described propping agent to be measured is struck off and filter paper of mating formation, in the process of charging, second level sensor 202 is imbedded described propping agent middle distance upper surface 2mm position to be measured, and described second level sensor 202 is connected with described second processor 203;
T2: test liquid is continued to inject described dress liquid portion; Simultaneously, described second processor 203 receives the signal of described second level sensor 202, and record the time that described second level sensor 202 senses test liquid, and stop when described second level sensor 202 has sensed test liquid injecting test liquid to described dress liquid portion;
T3: the height measuring the test liquid of now described integral type customization 201 li, graduated cylinder, the test liquid height of described integral type customization 201 li, graduated cylinder is the blocking solution height of described propping agent to be measured;
Blocking solution height refers to, propping agent hinders test liquid to pass through ability when normal pressure is piled up, represents with the pressure hindering the fluid column of test liquid to produce.In the present embodiment, owing to adopting water as test liquid, for convenience of understanding, therefore hereinafter referred to as " block water height ".In the above-mentioned testing process of the present embodiment, when water enters described dress liquid portion, due to the resistance effect of propping agent, in dress liquid portion, water level starts to rise, when rising to certain altitude, under the pressure of water, propping agent starts infiltration water, sends signal when described second level sensor 202 senses water, when described second processor 203 receives the signal of described second level sensor 202, stop water inlet, height of water level is now the height that blocks water.
The position of imbedding of described second level sensor 202 should be predeterminated position, in order to avoid affect test repeatability.Second level sensor 202 should be positioned at left and right, below propping agent upper surface 2mm place.Because propping agent is the loose state of normal pressure, therefore easily broken up by ambient pressure, and then cause test result to be forbidden or test crash, so level sensor should not be imbedded shallow; Itself be highly the ability that tolerance propping agent normal pressure hinders water to pass through owing to blocking water, if any obvious infiltration, then exceeded the scope of its height that blocks water, therefore the second level sensor 202 should not be imbedded dark.Consider, be advisable with 2mm place, both can ensure to measure and normally carry out, be unlikely to again obvious infiltration.
In the present embodiment, before described step T1, also comprise and described propping agent to be measured dried and is cooled to the step of room temperature.Dry best at 105 DEG C, the time is preferably 1 hours; Cooling in exsiccator must be placed in during cooling, prevent condensation vapor in proppant surface, affect testing result.
As the method for testing of other embodiments of the invention, also comprise and repeatedly repeat step T1 to step T3, number of times is preferably more than five times, obtain more than five blocking solution height values respectively, give up the individual data point obviously departing from actual value, and the mean value obtaining blocking solution height value described in all the other is as final blocking solution height.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (14)
1. for detecting a tester for propping agent blocking solution height, it is characterized in that, described tester comprises:
Measurement mechanism, the dress liquid portion comprising the charging portion for holding propping agent to be measured and be positioned at for accommodating test liquid above described charging portion, described dress liquid portion and extraneous conducting, described dress liquid portion adopts hydrophobic material manufacture;
Level sensor, for being embedded in position near described propping agent middle distance upper surface to be measured;
Processor, is connected with described level sensor, and for receiving the signal that described level sensor sends, the height obtaining the accommodating test liquid in dress liquid portion when described level sensor senses test liquid is blocking solution height.
2. tester according to claim 1, is characterized in that, described tester also comprises feeding device, and described feeding device is provided with valve and drain pipe, and wherein, described valve is connected with described processor, and processor by-pass valve control is opened and turned off; The outlet end of described drain pipe extend into the near top in described charging portion.
3. tester according to claim 2, is characterized in that, described feeding device also comprises constant flow pump, and for described test liquid is pumped into described measurement mechanism, the speed that pumps into of described constant flow pump is 60-80ml/min.
4. tester according to claim 1, is characterized in that, described measurement mechanism is the transparent customization graduated cylinder with altitude scale.
5. the tester according to any one of claim 1-4, is characterized in that, is placed in the filter paper for current stabilization above propping agent to be measured described in described charging portion when also comprising use.
6. the method for testing that the tester described in any one of claim 1-5 realizes, is characterized in that, comprise the steps:
S1: propping agent to be measured is inserted in described charging portion, and by smooth for the upper surface process of described propping agent to be measured, level sensor imbedded predetermined position near described propping agent middle distance upper surface to be measured, described level sensor is connected with processor;
S2: test liquid is injected described dress liquid portion; Described processor receives the signal of described level sensor, and when described level sensor senses test liquid, stops to described dress liquid portion note test liquid;
S3: the height measuring the now test liquid that described dress liquid portion is accommodating, described height is blocking solution height.
7. method of testing according to claim 6, is characterized in that, in described step S2, test liquid is injected described dress liquid portion under the prerequisite not destroying described propping agent upper surface to be measured.
8. method of testing according to claim 6, is characterized in that, in described step S2, test liquid is pumped into described measurement mechanism by constant flow pump by described feeding device, and the speed that pumps into of described constant flow pump is 60-80ml/min.
9. the method for testing according to any one of claim 6-8, is characterized in that, in described step S1, the upper surface being also included in described propping agent to be measured covers the step of filter paper.
10. the method for testing according to any one of claim 6-8, is characterized in that, before described step S1, also comprises and to dry described propping agent to be measured and to be cooled to the step of room temperature.
11. method of testings according to claim 9, is characterized in that, before described step S1, also comprise and to dry described propping agent to be measured and to be cooled to the step of room temperature.
12. method of testings according to claim 6,7,8 or 11, it is characterized in that, repeat step S1 for more than five times to step S3, obtain more than five blocking solution height values respectively, give up the individual data point obviously departing from actual value, and the mean value obtaining all the other blocking solution height values is as final blocking solution height.
13. method of testings according to claim 9, it is characterized in that, repeat step S1 for more than five times to step S3, obtain more than five blocking solution height values respectively, give up the individual data point obviously departing from actual value, and the mean value obtaining all the other blocking solution height values is as final blocking solution height.
14. method of testings according to claim 10, it is characterized in that, repeat step S1 for more than five times to step S3, obtain more than five blocking solution height values respectively, give up the individual data point obviously departing from actual value, and the mean value obtaining all the other blocking solution height values is as final blocking solution height.
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