CN221078400U - MICP technology restores effect contrast test equipment of crack - Google Patents
MICP technology restores effect contrast test equipment of crack Download PDFInfo
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- CN221078400U CN221078400U CN202322866611.1U CN202322866611U CN221078400U CN 221078400 U CN221078400 U CN 221078400U CN 202322866611 U CN202322866611 U CN 202322866611U CN 221078400 U CN221078400 U CN 221078400U
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 101000965313 Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513) Aconitate hydratase A Proteins 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 title claims abstract description 16
- 238000005516 engineering process Methods 0.000 title abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 208
- 238000001802 infusion Methods 0.000 claims description 19
- 230000002572 peristaltic effect Effects 0.000 claims description 12
- 230000008439 repair process Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000000243 solution Substances 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 8
- 230000001580 bacterial effect Effects 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of test contrast testing equipment, in particular to effect contrast testing equipment for repairing cracks by MICP technology, which comprises a sample stage and a multi-channel control valve, wherein the multi-channel control valve is provided with a plurality of groups of liquid inlet and outlet channel structural units which are arranged side by side, each liquid inlet and outlet channel structural unit comprises a two-way drainage channel, a two-way liquid outlet and an indication liquid inlet, and a transparent pipe for indicating the permeability of the cracks is connected outside the indication liquid inlet. The utility model has the advantages that: the multi-channel control valve is utilized to reduce the use quantity of the valves, and can synchronously control the pipelines in all the control groups, so that the efficiency of operating the valves by test personnel is improved.
Description
Technical Field
The utility model relates to the technical field of test comparison test equipment, in particular to effect comparison test equipment for repairing cracks by using MICP technology.
Background
MICP technology, i.e. microbial induced calcium carbonate deposition technology, is a common biological induced mineralization reaction process, and the principle is that carbonate ions generated after bacteria decompose urea in nutrient solution to combine with free metal cations to generate gel crystals when bacteria propagate and grow in the nutrient solution. MICP is widely applied in geotechnical engineering, and is particularly widely applied to repairing concrete cracks and rock mass cracks, and the method is to inject nutrient solution mixed with bacteria into the cracks. In practical application, the nutrient solution mixed with bacteria is divided into bacterial solution and cementing solution, and the bacterial solution and the cementing solution with different proportions are required to be mixed and injected into cracks simultaneously aiming at different concrete and rock masses, so that the effect comparison test after crack repair is required to obtain relatively better proportions.
Firstly, setting a plurality of groups of concrete or rock mass samples containing cracks and a plurality of groups of bacteria liquid and cementing liquid, and injecting mixed liquid of the bacteria liquid and the cementing liquid into the cracks of the samples in groups; then, after the cracks are repaired, water seepage comparison is carried out on the cracks, namely, one ends of a plurality of groups of cracks are connected with water columns with the same height or constant water head test devices for seepage, after a certain time, the descending height of each group of water columns is recorded or the seepage coefficient of the cracks in each group of samples is calculated, so that test staff are helped to compare the repairing effect of the cracks, and bacterial liquid and cementing liquid with better proportions are gradually selected. In the whole contrast test process, in order to prevent the bacterial liquid and the cementing liquid from being mixed in advance to influence the contrast result, each group of bacterial liquid and the cementing liquid are respectively injected into the sample cracks through one pipeline.
The Chinese patent application with publication number CN115931670A discloses a method for integrating MICP grouting and permeability test, wherein the test device comprises a constant head device, a reactor, a water quantity collecting device, a peristaltic pump and a pressure measuring tube; the constant head device comprises a large container and a small container arranged in the large container, wherein the bottoms of the large container and the small container are overlapped and are provided with water outlets; the bottom of the reactor is provided with a water inlet, and the top of the reactor is provided with an upper water outlet; the upper water outlet is connected with a water quantity collecting device; the water inlet is connected with a water outlet of the constant water head device or the peristaltic pump through the access control structure; the peristaltic pump is also connected with the MICP grouting solution; the side wall of the reactor is uniformly provided with a plurality of side water outlets, and the side water outlets are connected with pressure measuring pipes.
The prior art scheme has the defects that the problem of excessive valve opening and closing quantity of pipelines exists, and the opening and closing of a plurality of valves cannot be synchronous, if a conventional multi-group comparison test is carried out, the valve quantity is multiplied, and the problem of low valve operation efficiency exists.
Disclosure of Invention
According to the defect of the prior art, the utility model provides the effect comparison test equipment for repairing the cracks by the MICP technology, and the valves of the multi-channel pipelines are integrated into one valve by adopting the multi-channel control valve, so that the operation of a tester is convenient, and meanwhile, the tester can conveniently and accurately and synchronously control the valves of the comparison group in the comparison test, thereby improving the accuracy of the comparison test.
The utility model is realized by the following technical scheme:
The utility model provides an effect contrast test equipment of MICP technique restoration crack, includes sample platform, its characterized in that: the device comprises a multi-channel control valve, wherein the multi-channel control valve comprises a valve core and a valve shell, and a plurality of liquid inlet and outlet channel structural units are arranged on the multi-channel control valve along the axial direction of the multi-channel control valve;
The liquid inlet and outlet channel structure unit comprises a two-way liquid outlet, an indication liquid inlet and a two-way drainage channel, wherein the two-way liquid outlet and the indication liquid inlet are formed in the valve shell, the two-way drainage channel is formed in the valve core and is communicated with the two-way liquid outlet and the indication liquid inlet;
The double-way liquid outlet comprises a first liquid outlet and a second liquid outlet, the first liquid outlet is connected with a first liquid inlet pipe, and the second liquid outlet is connected with a second liquid inlet pipe; the indicator fluid inlet is connected with a transparent tube, and the top end of the transparent tube is provided with an opening higher than the sample table;
The sample bench is provided with a plurality of rectangular grooves side by side, be provided with flowing back hole and feed liquor hole on the rectangular groove respectively, first feed liquor pipe with the second feed liquor pipe respectively with the feed liquor hole intercommunication.
The device comprises a flow type multichannel peristaltic pump and a plurality of liquid storage tanks, wherein each liquid storage tank is internally provided with two liquid storage cavities, and the two liquid storage cavities are respectively connected with a first liquid feeding pipe and a second liquid feeding pipe.
The liquid inlet and outlet channel structure unit further comprises a two-way liquid inlet, the two-way liquid inlet is arranged on the valve shell, the two-way liquid inlet comprises a first liquid inlet and a second liquid inlet, the first liquid inlet is communicated with the first liquid feeding pipe, and the second liquid inlet is communicated with the second liquid feeding pipe; the flow type multichannel peristaltic pump is arranged on the first liquid conveying pipe and the second liquid conveying pipe.
The device further comprises a plurality of groups of infusion sets, each group of infusion sets comprises two infusion sets, one infusion set is communicated with the first liquid inlet, and the other infusion set is communicated with the second liquid inlet.
The upper end face of the sample table is provided with a cover plate for sealing the rectangular groove.
The cover plate is a transparent cover plate, and an observation unit is further arranged above the transparent cover plate and comprises a crack detector.
The device further comprises an indicator plate parallel to the plane constituted by the transparent tube, the orthographic projection of which falls within the scope of the indicator plate.
The utility model has the advantages that:
1) The valves of the multi-way pipeline are integrated into one valve, so that the number of the valves is reduced, and the steps of operating the valves by test staff in a comparison test are reduced.
2) The multichannel control valve is provided with a plurality of inlet and outlet channel structural units side by side, and each inlet and outlet channel structural unit controls a group of control tests, and in the control test tests, a tester does not need to operate valves in each group of sample tests one by one, and only needs to control the multichannel control valve once, so that the valves in all the control groups can be synchronously controlled, and the efficiency of operating the valves of the tester is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a multi-channel control valve according to the present utility model;
FIG. 3 is a cross-sectional view of a two-way inlet of a multi-way control valve of the present utility model in an open state;
FIG. 4 is a cross-sectional view of an indicator fluid inlet of a multi-channel control valve of the present utility model in an open state;
FIG. 5 is a schematic diagram of a valve core of a multi-channel control valve according to the present utility model;
FIG. 6 is a cross-sectional view of a valve core of the multi-channel control valve of the present utility model;
FIG. 7 is a cross-sectional view of a sample stage according to the present utility model.
Detailed Description
The features of the utility model and other related features are described in further detail below by way of example in conjunction with the following figures to facilitate understanding by those skilled in the art:
As shown in fig. 1-7, each of the labels is shown as: sample stage 1, drain hole 11, liquid inlet 12, first liquid inlet channel 121, first liquid inlet tube 1211, second liquid inlet channel 122, second liquid inlet tube 1221, confluence channel 123, multichannel control valve 2, valve core 21, two-way drainage channel 211, valve housing 22, first liquid inlet 221, second liquid inlet 222, first liquid outlet 223, second liquid outlet 224, indicator liquid inlet 225, transparent tube 3, indicator plate 4, cover plate 5, liquid storage tank 6, first liquid feed tube 61, second liquid feed tube 62, flow-type multichannel peristaltic pump 7, and observation unit 8.
Examples: as shown in fig. 1 to 7, the MICP technology effect contrast test apparatus in this embodiment for repairing cracks includes a horizontally placed sample stage 1 and also includes a horizontally placed multi-channel control valve 2.
As shown in fig. 3, the multi-channel control valve 2 includes a valve core 21 and a valve housing 22, and a plurality of inlet and outlet channel structural units are provided side by side in the axial direction of the multi-channel control valve 2.
As shown in fig. 2 to 6, the liquid inlet/outlet channel structure unit includes a two-way liquid outlet provided on the valve housing 22, an indication liquid inlet 225 provided on the valve housing 22, and a two-way drainage channel 211 provided on the valve core 21 and matched with the two-way liquid outlet and the indication liquid inlet 225. The two-way liquid outlet comprises a first liquid outlet 223 and a second liquid outlet 224; the first liquid outlet 223 is provided with a first liquid inlet pipe 1211 communicated with the first liquid outlet, and the second liquid outlet 224 is provided with a second liquid inlet pipe 1221 communicated with the second liquid outlet. The indicator fluid inlet 225 is provided with a vertical transparent tube 3 communicated with the indicator fluid inlet, and the top end of the transparent tube 3 is opened and is higher than the upper end face of the sample stage 1. The sample table 1 is provided with a plurality of parallel rectangular grooves, and the number of the rectangular grooves is the same as that of the transparent tubes 3 and is in one-to-one correspondence with the transparent tubes. A liquid discharge hole 11 is formed in one short side wall of each rectangular groove, a liquid inlet hole 12 with two inlets and one outlet is formed in the other short side wall, the first liquid inlet pipe 1211 and the second liquid inlet pipe 1221 are communicated with the liquid inlet hole 12, a cover plate 5 for sealing the rectangular grooves is arranged on the upper end face of the sample table 1, and the cover plate 5 is connected with the sample table 1 through a hinge, so that the cover plate 5 can be conveniently opened and closed in a rotating mode.
In the present embodiment, the indicator fluid inlet 225 has both of a closed state and an open state, and the switch state thereof is switched by rotating the valve core 21; when the indication liquid inlet 225 is in an open state, the indication liquid inlet 225 is opposite to the channel port at one end of the two-way drainage channel 211, and the channel port at the other end of the two-way drainage channel 211 is opposite to the two-way liquid outlet; when the indication liquid inlet 225 is in a closed state, the two-way liquid outlet or the indication liquid inlet 225 is not communicated with the channel port of the two-way drainage channel 211; because the liquid inlet and outlet channel structure units are arranged side by side, the testers can synchronously control all the indication liquid inlets 225 to be switched from the open state to the closed state or from the closed state to the open state, namely, the opening and the closing of a plurality of groups of pipelines can be synchronously controlled through one multi-channel control valve 2. In addition, as the multi-channel control valve 2 is horizontally arranged, the bottom ends of the transparent pipes 3 are all positioned on the same horizontal plane, and the top ends of the transparent pipes 3 are also positioned on the same horizontal plane; the top end of the transparent tube 3 is opened, the inside of the transparent tube 3 is communicated with the atmosphere, and after water or other indication liquid with the same height is filled in the transparent tube 3, the permeation resistance of cracks can be compared through the descending height of the liquid level.
As shown in fig. 7, the liquid inlet 12 is a common two-in one-out liquid inlet 12, and the specific structure is as follows: the liquid inlet 12 is sequentially divided into an outer section and an inner section from the outer wall of the rectangular tank to the inner wall of the rectangular tank, the outer section is divided into a first liquid inlet channel 121 and a second liquid inlet channel 122, the inner section is a converging channel 123, the first liquid inlet channel 121 is communicated with a first liquid inlet pipe 1211, and the second liquid inlet channel 122 is communicated with a second liquid inlet pipe 1221.
When the contrast test starts, test staff needs to put a plurality of groups of concrete or rock mass rectangular samples with repaired cracks in each rectangular groove of the sample table 1, the side walls of the rectangular samples are all abutted with the side walls of the rectangular grooves, the bottom surfaces of the rectangular samples are abutted with the bottom surfaces of the rectangular grooves, the top surfaces of the rectangular samples are abutted with the cover plate 5, one ends of the cracks are abutted with the liquid inlet holes 12, and the other ends of the cracks are abutted with the liquid outlet holes 11, so that liquid flowing into the rectangular grooves can only flow in from the liquid inlet holes 12 and flow out from the liquid outlet holes 11 through the cracks. At the start of the comparative test, the lid plate 5 was closed, the valve core 21 was rotated, and the indicator liquid inlet 225 was switched to an open state. The water or the indication liquid in the transparent pipes 3 is discharged from the liquid discharge holes 11 after flowing through the flow path of the indication liquid inlet 225, the two-way liquid outlet, the liquid inlet 12 and the crack, after a period of time, the descending height of the liquid level in each transparent pipe 3 is recorded, and the sample with better permeation resistance is rotated according to the descending height of the water surface, so that bacteria liquid and cementing liquid with better proportion are selected.
In this embodiment, the multi-channel control valve 2 can synchronously control the opening and closing of the multiple groups of pipelines, so that when a comparison test is performed, the inlet time of water or indicator fluid in the transparent tube 3 is the same, and thus a tester can also know the condition of cracks existing in the sample in the same unit time.
As shown in fig. 1, the contrast testing apparatus in this embodiment further includes a flow-type multichannel peristaltic pump 7, a plurality of liquid storage tanks 6, and two liquid storage chambers are disposed in each liquid storage tank 6, wherein one liquid storage chamber is provided with a first liquid feeding pipe 61 communicated with the liquid storage chamber, and the other liquid storage chamber is provided with a second liquid feeding pipe 62 communicated with the liquid storage chamber. The liquid inlet and outlet channel structure unit further comprises a two-way liquid inlet matched with the two-way drainage channel 211, the two-way liquid inlet is arranged on the valve shell 22, the two-way liquid inlet comprises a first liquid inlet 221 and a second liquid inlet 222, the first liquid inlet 221 is communicated with the first liquid feeding pipe 61, and the second liquid inlet 222 is communicated with the second liquid feeding pipe 62. The flow-type multichannel peristaltic pump 7 is provided on the first liquid-feeding tube 61 and the second liquid-feeding tube 62.
The two-way liquid inlet has two states of closing and opening, and the opening and closing states of the two-way liquid inlet are switched through the rotary valve core 21; when the two-way liquid inlet is in an open state, the two-way liquid inlet is opposite to the channel port at one end of the two-way drainage channel 211, the channel port at the other end of the two-way drainage channel 211 is opposite to the two-way liquid outlet, and the indication liquid inlet 225 is in a closed state at the moment; when the two-way liquid inlet is in a closed state, the liquid outlet or the two-way liquid inlet is not communicated with the channel port of the two-way drainage channel 211, and at the moment, liquid cannot pass through the two-way drainage channel 211 to the outside of the two-way liquid outlet. The multi-way control valve is also provided with a two-way liquid inlet and an indication liquid inlet 225 which are simultaneously in a closed state, and at the moment, the two-way liquid outlet, the two-way liquid inlet and the indication liquid inlet 225 are not communicated with the passage opening of the two-way drainage passage 211.
During the test, open double-circuit inlet, bacterial liquid and cementation liquid in the stock solution intracavity are carried in the rectangular channel through sending the liquid pipe, repair the crack of the sample of putting into in the rectangular channel, after the crack is repaired, open instruction liquid entry 225 when rotary valve door core 21 closed double-circuit inlet, carry out infiltration contrast test to the crack that has repaired.
Because the side-by-side liquid inlet and outlet channel structure unit comprises the indication liquid inlet 225 and the double-channel liquid inlet, the test personnel can synchronously switch the on-off states of all the double-channel liquid inlets and synchronously control the on-off states of all the indication liquid inlets 225 only through one operation step of rotating the valve core 21, so that the step of switching the valves by the test personnel is reduced.
It should be noted that, the flow-type multichannel peristaltic pump 7 is a conventional disclosed device, and has a plurality of channels for accommodating the pipes, and a plurality of liquid feeding pipes are respectively nested in different channels, so that power for feeding liquid can be provided for each liquid feeding pipe, and the flow rate of the liquid fed by the liquid feeding pipe can be controlled.
In addition, in order to reduce the test cost, besides the flow-type multichannel peristaltic pump 7 and the liquid storage tank 6, the present embodiment may be implemented by providing a plurality of sets of infusion sets, each set of infusion sets includes two infusion sets, where one infusion set is communicated with the first liquid inlet 221, and the other infusion set is communicated with the second liquid inlet 222. In this implementation, the infusion apparatus is the prior art, and the infusion apparatus conveys the liquid by gravity, and the infusion apparatus opens or closes the pipeline through the flow regulator on the pipeline, and the flow regulator cooperates with the Murphy's dropper on the pipeline to control the flow.
Before the test starts, the test staff needs to inject bacteria liquid and cementing liquid into the two liquid storage cavities or the two infusion apparatuses respectively, and put a plurality of groups of concrete or rock mass rectangular samples with cracks into the rectangular grooves, the side walls of the rectangular samples are all abutted with the side walls of the rectangular grooves, the bottom surfaces of the rectangular samples are abutted with the bottom surfaces of the rectangular grooves, the top surfaces of the rectangular samples are abutted with the cover plate 5, one ends of the cracks are abutted with the converging channel 123, and the other ends of the cracks are abutted with the liquid discharge holes 11.
As shown in fig. 1, in order to facilitate a test person to obtain the water level descending height of the plurality of transparent tubes 3 in a comparative test in time, an indicator board 4 is further provided, the indicator board 4 is parallel to a plane formed by the plurality of transparent tubes 3, and the orthographic projections of the plurality of transparent tubes 3 fall into the range of the indicator board 4. In addition, in order to be able to observe the repair situation of the recorded crack, the cover plate 5 is a transparent cover plate, and an observation unit 8 is further disposed above the cover plate 5, where the observation unit 8 may include a crack detector, a high-definition camera, and the like.
In this embodiment, the indication board 4 is marked with scales or other marks, and since the indication board 4 is parallel to the plane formed by the transparent pipes 3, the test personnel can visually compare and find out a group of samples with the largest water surface descending height in the transparent pipes 3 on the same side of the transparent pipes 3 and right opposite to the indication board 4, and the water surface descending height in the transparent pipes 3 corresponding to each group of samples is quickly obtained through the scales of the indication board 4, so that the efficiency of the test personnel to obtain data is effectively improved. In addition, the observation unit 8 can directly observe the crack under the cover plate through the transparent cover plate below, and the observation unit 8 is optionally provided as a device such as a high-definition camera, an image scanner or the like, except that a crack detector is used as the observation unit 8.
Although the foregoing embodiments have been described in some detail with reference to the accompanying drawings, it will be appreciated by those skilled in the art that various modifications and changes may be made thereto without departing from the scope of the utility model as defined in the appended claims, and thus are not repeated herein.
Claims (7)
1. The utility model provides an effect contrast test equipment of MICP technique restoration crack, includes sample platform, its characterized in that: the device comprises a multi-channel control valve, wherein the multi-channel control valve comprises a valve core and a valve shell, and a plurality of liquid inlet and outlet channel structural units are arranged on the multi-channel control valve along the axial direction of the multi-channel control valve;
The liquid inlet and outlet channel structure unit comprises a two-way liquid outlet, an indication liquid inlet and a two-way drainage channel, wherein the two-way liquid outlet and the indication liquid inlet are formed in the valve shell, the two-way drainage channel is formed in the valve core and is communicated with the two-way liquid outlet and the indication liquid inlet;
The double-way liquid outlet comprises a first liquid outlet and a second liquid outlet, the first liquid outlet is connected with a first liquid inlet pipe, and the second liquid outlet is connected with a second liquid inlet pipe; the indicator fluid inlet is connected with a transparent tube, and the top end of the transparent tube is provided with an opening higher than the sample table;
The sample bench is provided with a plurality of rectangular grooves side by side, be provided with flowing back hole and feed liquor hole on the rectangular groove respectively, first feed liquor pipe with the second feed liquor pipe respectively with the feed liquor hole intercommunication.
2. The MICP repair crack effect contrast test apparatus according to claim 1, wherein: the device comprises a flow type multichannel peristaltic pump and a plurality of liquid storage tanks, wherein each liquid storage tank is internally provided with two liquid storage cavities, and the two liquid storage cavities are respectively connected with a first liquid feeding pipe and a second liquid feeding pipe.
3. The MICP repair crack effect contrast test apparatus according to claim 2, wherein: the liquid inlet and outlet channel structure unit further comprises a two-way liquid inlet, the two-way liquid inlet is arranged on the valve shell, the two-way liquid inlet comprises a first liquid inlet and a second liquid inlet, the first liquid inlet is communicated with the first liquid feeding pipe, and the second liquid inlet is communicated with the second liquid feeding pipe; the flow type multichannel peristaltic pump is arranged on the first liquid conveying pipe and the second liquid conveying pipe.
4. A MICP repair crack effect contrast test apparatus according to claim 3, wherein: the device further comprises a plurality of groups of infusion sets, each group of infusion sets comprises two infusion sets, one infusion set is communicated with the first liquid inlet, and the other infusion set is communicated with the second liquid inlet.
5. The MICP repair crack effect contrast test apparatus according to claim 1, wherein: the upper end face of the sample table is provided with a cover plate for sealing the rectangular groove.
6. The MICP repair crack effect contrast test apparatus according to claim 5, wherein: the cover plate is a transparent cover plate, and an observation unit is further arranged above the transparent cover plate and comprises a crack detector.
7. The MICP repair crack effect contrast test apparatus according to claim 1, wherein: the device further comprises an indicator plate parallel to the plane constituted by the transparent tube, the orthographic projection of which falls within the scope of the indicator plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322866611.1U CN221078400U (en) | 2023-10-25 | 2023-10-25 | MICP technology restores effect contrast test equipment of crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322866611.1U CN221078400U (en) | 2023-10-25 | 2023-10-25 | MICP technology restores effect contrast test equipment of crack |
Publications (1)
| Publication Number | Publication Date |
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| CN221078400U true CN221078400U (en) | 2024-06-04 |
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|---|---|---|---|
| CN202322866611.1U Active CN221078400U (en) | 2023-10-25 | 2023-10-25 | MICP technology restores effect contrast test equipment of crack |
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| Country | Link |
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| CN (1) | CN221078400U (en) |
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2023
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