CN109946186B - Scouring testing device for graphite-based flexible grounding body - Google Patents
Scouring testing device for graphite-based flexible grounding body Download PDFInfo
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- CN109946186B CN109946186B CN201910319025.0A CN201910319025A CN109946186B CN 109946186 B CN109946186 B CN 109946186B CN 201910319025 A CN201910319025 A CN 201910319025A CN 109946186 B CN109946186 B CN 109946186B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 97
- 239000010439 graphite Substances 0.000 title claims abstract description 97
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000009991 scouring Methods 0.000 title claims abstract description 36
- 238000011010 flushing procedure Methods 0.000 claims abstract description 225
- 239000007788 liquid Substances 0.000 claims abstract description 172
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000001802 infusion Methods 0.000 description 17
- 230000008901 benefit Effects 0.000 description 9
- 230000003628 erosive effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- -1 rainwater Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Abstract
The invention relates to a scouring testing device for a graphite-based flexible grounding body. The scouring testing device of the graphite-based flexible grounding body comprises a scouring flow channel, the scouring flow channel is provided with a containing cavity, the scouring flow channel is provided with a liquid outlet and a liquid inlet, and/or a water dripping device is arranged above the scouring flow channel, the scouring testing device further comprises a scouring liquid supply device, and the liquid outlet of the scouring liquid supply device is arranged corresponding to the liquid inlet and/or is connected with the water dripping device. The invention can simulate the condition that fluid scouring or rainwater acts on the graphite-based flexible grounding body respectively. The situation that fluid flushing and rainwater act on the graphite-based flexible grounding body can be simulated simultaneously.
Description
Technical Field
The invention relates to a scouring testing device for a graphite-based flexible grounding body.
Background
The conventional flexible graphite grounding body is generally manufactured by expanding graphite, pressing the expanded graphite into paper, cutting the paper into graphite wires, and weaving the graphite wires into the flexible graphite grounding body. The graphite-based flexible grounding body may be washed by rain water in the use process, and if the graphite-based flexible grounding body is applied to places with fluid, especially on the sides of rivers, lakes and seas, the graphite is easily washed away slowly, the grounding conductivity is lost, and the strength of the graphite is also affected. In order to ensure the quality of the flexible graphite grounding body, the flushing resistance of the flexible graphite grounding body needs to be tested, and a corresponding testing device is not found in the prior art.
Disclosure of Invention
The invention aims to provide a scouring testing device for a graphite-based flexible grounding body, which realizes the testing of the scouring resistance of the flexible graphite grounding body.
In order to achieve the above purpose, the technical scheme of the scouring testing device of the graphite-based flexible grounding body is as follows: the scouring testing device of the graphite-based flexible grounding body comprises a scouring flow channel for scouring liquid to flow through;
the flushing runner is provided with a containing cavity, and the containing cavity is used for placing the graphite-based flexible grounding body along the length direction of the graphite-based flexible grounding body;
one end of the flushing flow passage in the length direction is provided with a liquid outlet for discharging flushing liquid in the flushing flow passage;
the flushing flow passage is provided with a liquid inlet, and/or a water dripping device is arranged above the flushing flow passage and provided with water dripping openings distributed along the length direction of the flushing flow passage;
the flushing testing device also comprises a flushing liquid supply device, and a liquid outlet of the flushing liquid supply device is arranged corresponding to the liquid inlet and/or is connected with the water dripping device;
the flushing runner is of a pipe body structure, the liquid inlet comprises an opening structure which is arranged on the top surface of the pipe body structure and distributed along the axial direction, and the opening structure comprises a top end opening positioned at one end of the pipe body structure and a middle opening positioned in the middle of the pipe body structure.
The scouring testing device for the graphite-based flexible grounding body has the beneficial effects that: the graphite-based flexible grounding body is placed in the accommodating cavity, and the flushing flow channel is supplied with liquid through the flushing liquid supply device, so that the flushing liquid flushes the graphite-based flexible grounding body in the flushing flow channel, and the situation of fluid flushing possibly suffered by the graphite-based flexible grounding body in actual use is simulated. The water dripping device can be arranged above the flushing flow channel, the water dripping ports of the water dripping device are distributed along the length direction of the flushing flow channel, the flushing liquid supply device supplies liquid to the water dripping device, and the effect of flushing liquid dripping from the water dripping ports on the graphite-based flexible grounding body is simulated by the action of rainwater which can be possibly received by the graphite-based flexible grounding body in actual use. The flushing liquid supply device can supply liquid to the water dropping device and the flushing flow channel at the same time so as to simulate the condition that fluid flushing and rainwater act on the graphite-based flexible grounding body at the same time in actual use, and realize the test of the flushing resistance of the graphite-based flexible grounding body.
Further, the flushing liquid supply device comprises a flowmeter, wherein the flowmeter is used for detecting the supply amount of the flushing liquid.
The graphite-based flexible grounding body has the advantages of being convenient for controlling the supply quantity of the flushing liquid and simulating different influences of different flushing quantities on the graphite-based flexible grounding body.
Further, the flushing testing device also comprises a flushing liquid container arranged corresponding to the liquid outlet of the flushing flow passage, and the flushing liquid container is used for receiving the flushing liquid discharged from the flushing flow passage; the flushing fluid supply device comprises a fluid supply pump connected with the flushing fluid container.
The flushing liquid recycling device has the advantages that the flushing liquid recycling is realized, and the requirement of the testing device for the flushing liquid is reduced.
Further, the flushing testing device also comprises a stirring device for stirring the materials in the flushing liquid container.
The flushing liquid container has the advantages that the material in the flushing liquid container can be prevented from generating a sedimentation phenomenon; when the flushing liquid is the fluid to be prepared, the raw materials can be placed in the flushing liquid container and mixed under the action of the stirring paddles, and a liquid preparation device is not required to be additionally arranged.
Further, more than two flushing channels are arranged, and the flushing channels are arranged side by side; the flushing liquid supply device comprises a plurality of liquid outlet branches, each liquid outlet branch is provided with a control valve, and each flushing flow passage corresponds to each liquid outlet branch.
The graphite-based flexible grounding body with the same model or different models can be placed in the flushing flow channel, a plurality of graphite flexible grounding bodies can be detected simultaneously, and the detection efficiency is improved. When the graphite-based flexible grounding bodies of different types are placed in the flushing flow channel, the graphite-based flexible grounding bodies are compared after the flushing process is finished, and the flushing resistance of the graphite-based flexible grounding bodies of different types under the flushing of the same amount of fluid can be tested.
Further, the flushing testing device comprises a device seat and a runner support, wherein the runner support is used for fixing a flushing runner, one end of the runner support corresponding to the liquid outlet is hinged to the device seat, and the other end of the runner support is provided with a lifting mechanism.
The graphite-based flexible grounding body has the advantages that the inclination angle of the flushing flow channel can be adjusted through the lifting mechanism, so that the flow speed of flushing liquid can be controlled conveniently, and the situation that the graphite-based flexible grounding body is flushed by the flushing liquid with different flow speeds in actual use can be simulated.
Further, the flushing runner support is placed on the runner support, a stop structure or an anti-slip pad is arranged between the runner support and the flushing runner, and the stop structure or the anti-slip pad is used for preventing the flushing runner from sliding off the runner support.
The anti-slip flushing device has the advantages that the flushing runner support is placed on the runner support, so that the flushing runner is convenient to assemble, disassemble and maintain, and the flushing runner is prevented from sliding off from the runner support through the blocking structure or the anti-slip pad, so that the anti-slip flushing device is simple in structure and convenient to realize.
Further, the bottom surface of the flushing flow channel is provided with clamping blocks or clamping strips on two sides in the width direction, and the clamping blocks or the clamping strips form clamping spaces in the width direction of the flushing flow channel for clamping the graphite-based flexible grounding body.
The graphite-based flexible grounding body is beneficial to preventing the graphite-based flexible grounding body from freely moving in the flushing flow channel and ensuring good positioning of the graphite-based flexible grounding body. The clamping strip is arranged, so that the width of the bottom of the flushing flow channel can be reduced, the flushing flow channel is more suitable for the appearance of the graphite-based flexible grounding body, more flushing liquid can flush the graphite-based flexible grounding body, the effective acting amount of the flushing liquid is ensured, and the detection accuracy is improved.
Further, a water dripping device is arranged above the flushing flow passage, and the flushing testing device further comprises a grounding body support piece which is detachably arranged in the accommodating cavity of the flushing flow passage and is used for supporting and placing a graphite-based flexible grounding body; a liquid discharge channel is arranged between the grounding body support piece arranged in the accommodating cavity and the bottom surface of the flushing flow channel, and the liquid discharge channel is communicated with the liquid discharge port; the grounding body support piece is provided with water leakage channels which are communicated up and down, and flushing liquid dripped by the dripping device is supplied to the liquid drainage channel through the water leakage channels.
The method has the advantages that the graphite-based flexible grounding body can be supported better, and the influence of the flow of the flushing liquid at the bottom of the graphite-based flexible grounding body on experimental results is reduced when the action of rainwater is simulated.
Further, the water dripping device is formed by a water dripping pipe, and water dripping openings are uniformly distributed on the water dripping pipe along the axis.
The novel rotary table has the advantages of being simple in structure and convenient to process.
Drawings
FIG. 1 is a schematic diagram of a scouring test apparatus for graphite-based flexible earth bodies according to embodiment 1;
FIG. 2 is a schematic diagram of a scour test apparatus for a graphite-based flexible grounding body according to embodiment 1 of the present invention (scour flow channels are not shown);
FIG. 3 is a schematic view of a washout flow path of embodiment 1 of a washout test device for a graphite-based flexible grounding body according to the present invention;
FIG. 4 is a diagram showing the use of the embodiment 1 of the device for testing the scouring of a flexible graphite-based body according to the present invention;
FIG. 5 is a schematic view of a washout flow path of embodiment 2 of a washout test device for a graphite-based flexible grounding body according to the present invention;
FIG. 6 is a cross-sectional view showing a part of the structure of a scouring test apparatus for graphite-based flexible earth bodies according to embodiment 3 of the present invention;
FIG. 7 is a schematic view of the structure of the grounding body support of embodiment 3 of the scouring testing apparatus for graphite-based flexible grounding bodies according to the present invention;
in the figure: 1. a liquid supply pump, 2, a valve, 3, a flowmeter, 4, a transfusion branch, 5, an L-shaped detachable elbow, 6, a hose, 7, a flushing flow passage, 71, a middle opening, 72, a top opening, 8, a clamping block, 9 and a device seat, 91, an ear plate, 10, a runner support, 101, a limit groove, 11, an air cylinder, 12, a hinge shaft, 13, a flushing liquid container, 14, an aggregate funnel, 15, a drip pipe, 16, a grounding body support piece, 161 and a through hole.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a specific embodiment 1 of a device for testing the erosion of the flexible graphite-based earthing body according to the present invention includes an erosion flow channel 7 and an erosion liquid supply device, wherein a receiving cavity for placing the flexible graphite-based earthing body in a longitudinal direction of the receiving cavity is provided in the erosion flow channel 7, liquid discharge ports and top openings 72 are provided at both ends of the length direction of the erosion flow channel 7, respectively, and the erosion liquid flows in the erosion flow channel 7 to erode the flexible graphite-based earthing body, so as to simulate the fluid erosion situation that the flexible graphite-based earthing body may be subjected to in actual use. The flushing runner 7 is of a pipe body structure, four opening structures distributed along the axial direction are arranged on the top surface of the pipe body structure, each opening structure comprises a top end opening 72 positioned at one end of the pipe body structure and three middle opening 71 positioned in the middle of the pipe body structure, and any one position in the four opening structures can be selected as a liquid inlet according to the length of the graphite-based flexible grounding body. The structure of the opening except the liquid inlet is a viewing port, and the viewing port is detachably covered with transparent glass (not shown in the figure). By the arrangement, the flushing liquid in the flushing flow channel 7 can be prevented from splashing, and when the flushing test of flushing the graphite-based flexible grounding body by the acid or alkaline fluid is simulated, the harm of the fluid splashing to the personal safety of operators can be prevented, and the safety of the operators is ensured.
The flushing liquid supply device comprises a liquid conveying pipeline, the liquid conveying pipeline consists of a straight pipe and an L-shaped detachable bent pipe 5, when the flushing liquid contains more solid particles, the liquid conveying pipeline is easy to block, particularly the bending part of the liquid conveying pipeline is formed by the L-shaped detachable bent pipe 5, the L-shaped detachable bent pipe 5 can be detached when the liquid conveying pipeline is blocked, and the straight pipe and the L-shaped detachable bent pipe 5 can be conveniently dredged. The infusion pipeline comprises a liquid inlet end and a liquid outlet, and the liquid outlet is communicated with the liquid inlet of the flushing flow channel 7 so as to provide flushing liquid for the flushing flow channel 7.
The flushing testing device also comprises a flushing liquid container 13 arranged below the liquid outlet and used for receiving the flushing liquid discharged from the flushing flow channel 7. The liquid inlet end of the infusion pipeline is communicated with the bottom of the flushing liquid container 13. The flushing liquid supply device also comprises a liquid supply pump 1 arranged on the infusion pipeline, and the liquid supply pump 1 pressurizes the flushing liquid in the infusion pipeline so that the flushing liquid can be discharged into the flushing flow channel 7 through a liquid outlet of the infusion pipeline. In this way, the flushing liquid circulates in the flushing flow channel 7, the liquid supply pipeline and the flushing liquid container 13, and the requirement of the flushing testing device for the flushing liquid is reduced.
The flushing liquid container 13 is provided with a stirring paddle (not shown in the figure), and the stirring paddle can stir the flushing liquid in the flushing liquid container 13 so as to prevent the flushing liquid in the flushing liquid container 13 from generating a sedimentation phenomenon; in addition, when the flushing liquid is a solution to be prepared, the raw materials can be placed in the flushing liquid container 13 and mixed by the action of the stirring paddle, and a liquid preparation device is not required to be additionally arranged. The stirring paddle is driven by a stirring motor (not shown in the figure), and the stirring paddle and the stirring motor together form a stirring device. In other embodiments, the stirring device and the flushing fluid container are in a split form, the stirring paddle is inserted into the flushing fluid container when in use, and the stirring paddle can be taken out from the flushing fluid container when not in use.
As shown in fig. 1, the flushing flow channels 7 are arranged in parallel, the infusion pipeline is divided into three infusion branches 4 behind the liquid supply pump 1, and the infusion branches 4 respectively correspond to the flushing flow channels 7. The advantage of setting like this is that put the flexible grounding body of the same or different graphite base in each scour channel 7, scour testing arrangement can test a plurality of flexible grounding bodies of graphite base simultaneously, improves test efficiency. When graphite-based flexible grounding bodies of different types are placed in the flushing flow channel 7, the flushing resistance of the graphite-based flexible grounding bodies of different types under the flushing of the same type of flushing liquid with the same quantity can be tested. The flow meters 3 are arranged on the infusion branches 4, and the flow meters 3 are staggered to prevent the flow meters 3 from interfering with each other in space. The infusion branch circuits 4 are provided with valves 2, and the opening and closing of each infusion branch circuit 4 are controlled through the valves 2. In other embodiments, the valve may be a regulator valve, by which the flow of flushing fluid within the infusion line is controlled. The adjusting valve has the advantage that the flushing resistance of the graphite-based flexible grounding bodies of the same type or different types under the flushing of the same type and different amounts of flushing liquid can be tested.
The flushing testing device further comprises a device seat 9 and a runner support 10 for supporting the flushing runner 7, the length direction of the runner support 10 is parallel to the length direction of the flushing runner 7, the device seat 9 is provided with an upper support plate and a lower support plate which are horizontally arranged and distributed up and down, the lower support plate is used for installing the liquid supply pump 1, one end of the upper support plate is provided with two symmetrical ear plates 91, the runner support 10 is positioned between the two ear plates 91, one end of the runner support 10 along the length direction is hinged with the ear plates 91 through a hinge shaft 12, one end of the upper support plate, far away from the ear plates 91, is provided with a cylinder 11, two ends of the cylinder 11 are respectively hinged with the upper support plate and the runner support 10, the hinge shaft is parallel to the axis of the hinge shaft 12, and the cylinder 11 forms a lifting mechanism, so that the inclination angle of the flushing runner 7 is adjustable. Because the height of the liquid inlet of the flushing runner 7 is adjustable, in order to facilitate the communication between the liquid inlet and the liquid outlet of the infusion pipeline, the infusion pipeline further comprises a hose 6 connected with the L-shaped detachable elbow 5, and the liquid outlet of the infusion pipeline is formed by the liquid outlet of the hose 6. The flow rate of the flushing liquid in the flushing flow channel 7 is regulated by regulating the inclination angle of the flushing flow channel 7 and the power of the liquid supply pump 1.
In other embodiments, the lifting mechanism may also be formed by an adjusting screw, which is a common structure in the prior art, and will not be described herein.
As shown in fig. 2 and 3, the flow channel support 10 is integrally in a frame structure, two parallel support bars perpendicular to the flushing flow channel 7 are distributed in the middle of the flow channel support 10, three limit grooves 101 corresponding to the three flushing flow channels 7 are arranged on each support bar, fixing protrusions (not shown in the drawings) for being in stop fit with the limit grooves 101 are arranged on the bottom wall of the flushing flow channel 7, the flushing flow channel 7 is prevented from sliding off from the flow channel support 10 through the stop fit of the limit grooves 101 and the fixing protrusions, and the fixing protrusions and the limit grooves 101 form a stop structure together. In other embodiments, the fixing protrusion may be blocked by the side wall of the supporting bar without the limiting groove. In other embodiments, a non-slip mat matched with the flushing runner can also be arranged on the supporting bar, and the flushing runner is prevented from sliding off the runner support by friction force between the non-slip mat and the flushing runner. In other embodiments, the runner support and the flush runner may be fixedly connected to prevent the flush runner from sliding off the runner support.
The bottom surface of the flushing flow channel 7 is detachably provided with clamping blocks 8 on two sides in the width direction, the clamping blocks 8 form clamping spaces in the width direction of the flushing flow channel 7, and the graphite-based flexible grounding body can be clamped into the clamping spaces so as to prevent the graphite-based flexible grounding body from moving in the accommodating cavity when being flushed by flushing liquid. The wide of the width setting of flushing runner 7 can hold the flexible grounding body of graphite base of multiple width, and flushing testing arrangement includes the joint piece 8 of multiple thickness, through changing the flexible grounding body of graphite base that joint piece 8 in order to adapt width difference. In other embodiments, the clamping strip extending along the length direction of the flushing flow channel can be arranged, and the width of the bottom of the flushing flow channel can be reduced by arranging the clamping strip, so that the flushing flow channel is more suitable for the appearance of the graphite-based flexible grounding body.
In other embodiments, a transparent glass may not be provided. In other embodiments, the observation port may not be provided, and in other embodiments, the flushing flow passage may be formed by a C-shaped steel with an open top, instead of the pipe body structure.
The invention can put different liquids into the flushing liquid container 13 to simulate and test the strength change condition and the surface corrosion condition of the graphite-based flexible grounding body under the flushing of various liquids (such as rainwater, acid solution, alkaline solution, impurity water with sand and the like).
In other embodiments, the flow rate of the flushing liquid may be calculated from the rated flow rate of the liquid supply pump and the opening degree of the control valve without providing a flow meter.
In other embodiments, the flushing liquid container may not receive the flushing liquid discharged from the flushing flow channel, the flushing liquid flows from the flushing liquid container to the flushing flow channel through the infusion pipeline, and then is discharged to the flushing liquid collecting container through the liquid outlet of the flushing flow channel, at this time, the position of the flushing liquid container may be set at a position higher than the flushing flow channel, the flushing liquid in the flushing liquid container flows to the flushing flow channel under the action of self gravity, so that a liquid supply pump is not required to be arranged, at this time, a regulating valve may be arranged on the liquid supply pipeline, and the flow rate in the liquid supply pipeline and the opening and closing of the liquid supply pipeline are controlled by regulating the opening of the regulating valve.
In other embodiments, no stirring device for stirring the material in the flushing liquid reservoir may be provided.
In other embodiments, the flush flow paths may be provided in other numbers, such as one, two, or more than four.
In other embodiments, the flush channel may be fixedly and angularly disposed on the device seat.
In other embodiments, the flush channel may be horizontally disposed on the device seat.
In other embodiments, the clamping blocks or clamping strips are not required, and the position of the graphite-based flexible grounding body is limited by the inner wall of the flushing flow channel.
In other embodiments, the liquid inlet of the flushing flow channel can also be formed by a liquid inlet nozzle arranged at the end part or the middle part of the flushing flow channel, and the liquid inlet nozzle can be matched with the liquid outlet of the hose, so that the hose is effectively prevented from being separated from the liquid inlet of the flushing flow channel.
As shown in fig. 4, in actual use, the flushing testing device is provided with an aggregate funnel 14 at the liquid outlet of the flushing flow channel 7, the feed inlet of the aggregate funnel is used for collecting flushing liquid flowing out of the three flushing flow channels 7, and the discharge outlet of the aggregate funnel 14 guides the flushing liquid in the aggregate funnel 14 into the flushing liquid container 13. The aggregate funnel 14 is provided to facilitate the collection of the flushing fluid flowing out of the flushing flow channel 7 into the flushing fluid reservoir 13.
As shown in fig. 5, embodiment 2 of the scouring testing device for a graphite-based flexible grounding body of the present invention differs from embodiment 1 of the scouring testing device for a graphite-based flexible grounding body only in that a drip pipe 15 for communicating with a transfusion line is detachably provided at the upper part of the scouring flow path 7, and drip openings are uniformly distributed along the axis on the drip pipe 15, and the effect of the scouring liquid dripping from the drip openings on the graphite-based flexible grounding body simulates the effect of rainwater that the graphite-based flexible grounding body may receive in actual use. The embodiment can also simulate two modes of fluid flushing and rainwater action at the same time, and the specific method is that the flushing testing device further comprises a tee joint, and three ports of the tee joint are respectively connected with a water inlet of the drip pipe 15, a liquid outlet of the infusion pipeline and a liquid inlet of the flushing runner 7. In other embodiments, the drip device may be a trough with a plurality of through holes distributed in the lower wall plate. In other embodiments, the drip assembly may also be comprised of a drip tube and a drip nozzle disposed on the wall of the drip tube. In other embodiments, the drip apparatus may also include a bundle of drip lines of varying lengths, and drip nozzles each disposed at an end of the drip lines.
As shown in fig. 6, embodiment 3 of the scouring testing device for a graphite-based flexible grounding body of the present invention differs from embodiment 2 of the scouring testing device for a graphite-based flexible grounding body only in that a grounding body support 16 is provided in the accommodation chamber of the scouring flow path 7, and in use, the graphite-based flexible grounding body support is placed on the grounding body support 16, and a gap is provided between the grounding body support 16 and the bottom surface of the scouring flow path 7, the gap being a liquid discharge channel through which the scouring liquid flows, and the liquid discharge channel being communicated with a liquid discharge port. As shown in fig. 7, the ground body support 16 has a flat plate structure in which through holes 161 are uniformly formed, and a flushing liquid dropped in the water dropping device can enter the liquid discharge passage through the through holes 161, and the through holes 161 constitute a water dropping passage. In this embodiment, the through holes 161 are circular through holes, and in other embodiments, the through holes may be elongated through holes arranged in a crossing or parallel manner. In other embodiments, the grounding support may also be a wire mesh or other structure.
Claims (10)
1. The scouring testing device of the graphite-based flexible grounding body is characterized by comprising a scouring flow channel for scouring liquid to flow through;
the flushing runner is provided with a containing cavity, and the containing cavity is used for placing the graphite-based flexible grounding body along the length direction of the graphite-based flexible grounding body;
one end of the flushing flow passage in the length direction is provided with a liquid outlet for discharging flushing liquid in the flushing flow passage;
the flushing flow passage is provided with a liquid inlet, and/or a water dripping device is arranged above the flushing flow passage and provided with water dripping openings distributed along the length direction of the flushing flow passage;
the flushing testing device also comprises a flushing liquid supply device, and a liquid outlet of the flushing liquid supply device is arranged corresponding to the liquid inlet and/or is connected with the water dripping device;
the flushing runner is of a pipe body structure, the liquid inlet comprises an opening structure which is arranged on the top surface of the pipe body structure and distributed along the axial direction, and the opening structure comprises a top end opening positioned at one end of the pipe body structure and a middle opening positioned in the middle of the pipe body structure.
2. The scour test device for a graphite-based flexible grounding body according to claim 1, wherein: the flushing liquid supply device comprises a flowmeter, and the flowmeter is used for detecting the supply quantity of the flushing liquid.
3. The washout testing device for graphite-based flexible ground bodies according to claim 1 or 2, characterized in that: the flushing testing device also comprises a flushing liquid container arranged corresponding to the liquid outlet of the flushing flow passage, and the flushing liquid container is used for receiving the flushing liquid discharged from the flushing flow passage; the flushing fluid supply device comprises a fluid supply pump connected with the flushing fluid container.
4. A scour test device for a graphite-based flexible ground body according to claim 3, characterized in that: the flushing testing device also comprises a stirring device for stirring materials in the flushing liquid container.
5. The washout testing device for graphite-based flexible ground bodies according to claim 1 or 2, characterized in that: the flushing flow passages are provided with more than two, and each flushing flow passage is arranged side by side; the flushing liquid supply device comprises a plurality of liquid outlet branches, each liquid outlet branch is provided with a control valve, and each flushing flow passage corresponds to each liquid outlet branch.
6. The washout testing device for graphite-based flexible ground bodies according to claim 1 or 2, characterized in that: the flushing testing device comprises a device seat and a runner support, wherein the runner support is used for fixing a flushing runner, one end of the runner support corresponding to the liquid outlet is hinged to the device seat, and the other end of the runner support is provided with a lifting mechanism.
7. The scour test device for a graphite-based flexible grounding body according to claim 6, wherein: the flushing runner support is placed on the runner support, a stop structure or an anti-slip pad is arranged between the runner support and the flushing runner, and the stop structure or the anti-slip pad is used for preventing the flushing runner from sliding off the runner support.
8. The washout testing device for graphite-based flexible ground bodies according to claim 1 or 2, characterized in that: the bottom surface of the flushing flow passage is provided with clamping blocks or clamping strips on two sides in the width direction, and the clamping blocks or the clamping strips form clamping spaces in the width direction of the flushing flow passage for clamping the graphite-based flexible grounding body.
9. The washout testing device for graphite-based flexible ground bodies according to claim 1 or 2, characterized in that: a water dripping device is arranged above the flushing flow passage, and the flushing testing device further comprises a grounding body supporting piece which is detachably arranged in the accommodating cavity of the flushing flow passage and is used for supporting and placing a graphite-based flexible grounding body; a liquid discharge channel is arranged between the grounding body support piece arranged in the accommodating cavity and the bottom surface of the flushing flow channel, and the liquid discharge channel is communicated with the liquid discharge port; the grounding body support piece is provided with water leakage channels which are communicated up and down, and flushing liquid dripped by the dripping device is supplied to the liquid drainage channel through the water leakage channels.
10. The washout testing device for graphite-based flexible ground bodies according to claim 1 or 2, characterized in that: the water dripping device is formed by a water dripping pipe, and water dripping openings are uniformly distributed on the water dripping pipe along the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319025.0A CN109946186B (en) | 2019-04-19 | 2019-04-19 | Scouring testing device for graphite-based flexible grounding body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319025.0A CN109946186B (en) | 2019-04-19 | 2019-04-19 | Scouring testing device for graphite-based flexible grounding body |
Publications (2)
| Publication Number | Publication Date |
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| CN109946186A CN109946186A (en) | 2019-06-28 |
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