CN109540727A - A kind of experimental provision and experimental method of the crystallization of simulation Karst Tunnel drainpipe - Google Patents
A kind of experimental provision and experimental method of the crystallization of simulation Karst Tunnel drainpipe Download PDFInfo
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- CN109540727A CN109540727A CN201811638827.XA CN201811638827A CN109540727A CN 109540727 A CN109540727 A CN 109540727A CN 201811638827 A CN201811638827 A CN 201811638827A CN 109540727 A CN109540727 A CN 109540727A
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- drainpipe
- water tank
- main water
- water box
- auxiliary water
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 41
- 230000008025 crystallization Effects 0.000 title claims abstract description 41
- 238000004088 simulation Methods 0.000 title claims abstract description 18
- 238000002474 experimental method Methods 0.000 title claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 177
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
Abstract
A kind of experimental provision of simulation Karst Tunnel drainpipe crystallization, main water box is provided on bracket, main water box length direction side is provided with the first auxiliary water tank, the other side is provided with the second auxiliary water tank, first auxiliary water tank is connected by the first drainage cell with main water box, second auxiliary water tank is connected by the second drainage cell with main water box, first drainage cell and the second drainage cell are set on the adjusting bracket of installation on the ground, main water box width side is connected by the water pump being mounted on water supplying pipe with the second auxiliary water tank, water pump is electrically connected with control unit, main water box width side is connected by return pipe with the first auxiliary water tank and the second auxiliary water tank；Experimental provision influence factor of the present invention is comprehensive, it is small in size, convenient for operation, Karst Tunnel drainage pipeline Study on Crystallization technical field can be promoted the use of.
Description
Technical field
The invention belongs to drainage pipeline Study on Crystallization technical fields, and in particular to arrive a kind of simulation Karst Tunnel drainpipe knot
Brilliant experimental provision and experimental method.
Background technique
Karst (also known as karst) area is very extensive in China's distribution, can lava layer spreads account for about national soil face
Long-pending one third is especially developed with the karst of some areas such as Yunnan, Guizhou, Guangxi and Guangdong the most.Tunnel Engineering is being worn
More karst region band when, various difficulties can be faced, wherein karstic ground water seepage flow crystallizes and blocking tunnel in drainpipe
Drainage system has become one of problem urgently to be resolved.
To solve above-mentioned problem, just must the rule that is crystallized in drainpipe of Study of The Underground water, analysis crystallization condition ties
The influence factor of the crystal such as brilliant speed accumulation, model experiment are to realize one of the important means of this target, and be directed to this at present
One problem and the experimental provision invented is less, and often there are some problems in the experimental provision and experimental method created, example
Such as: the influence factor that experimental provision considers is single, does not probe into drainpipe crystallization rule comprehensively as far as possible；Experimental provision compared with
It is small, the crystallization situation of water in true Karst Tunnel drainpipe cannot be restored as far as possible.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome the deficiencies in the prior art, provide a kind of design rationally, structure
Simply, experimental provision influence factor is comprehensive, small in size, efficient explores the simulation Karst Tunnel drainpipe knot for reducing drainpipe crystallization
Brilliant experimental provision and experimental method.
Solve above-mentioned technical problem the technical solution adopted is that: main water box, main water box length direction are provided on bracket
Side is provided with the first auxiliary water tank, the other side is provided with the second auxiliary water tank, and the first auxiliary water tank passes through the first drainage cell
It is connected with main water box, the second auxiliary water tank is connected by the second drainage cell with main water box, the first drainage cell and second
Drainage cell is set on installation adjusting bracket on the ground, main water box width side by the water pump that is mounted on water supplying pipe with
Second auxiliary water tank is connected, and water pump is electrically connected with control unit, and the main water box width other side passes through return pipe and the first auxiliary
Water tank and the second auxiliary water tank are connected.
First drainage cell of the invention are as follows: 5 group of I type drainpipe is all set on the adjusting bracket of installation on the ground.
I type drainpipe of the invention are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose
It is connected with transverse wave pipe, is provided with valve on hard straight tube.
Second drainage cell of the invention are as follows: II type drainpipe, III type drainpipe, IV type drainpipe, V type drainpipe, VI
Type drainpipe is all set on the adjusting bracket being mounted on bottom surface.
II type drainpipe of the invention are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose
It is connected with transverse wave pipe, transverse wave tube end is horizontally disposed the longitudinal corrugated pipe perpendicular with transverse wave pipe, firmly
Valve is provided on straight tube；
III type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and lateral wave
Line pipe is connected, and transverse wave pipe internal surface is laid with cloth waste material, is provided with valve on hard straight tube；
IV type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and lateral wave
Line pipe is connected, and transverse wave pipe internal surface is laid with concrete disintegrating slag, is provided with valve on hard straight tube；
V type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and lateral wave
Line pipe is connected, and is provided with valve on hard straight tube；The caliber of V type drainpipe is less than the caliber of remaining each drainpipe；
VI type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and lateral wave
Line pipe is connected, and transverse wave tube outer surface is successively laid with heating layer and insulating layer, is provided with valve on hard straight tube.
Main water box of the invention, the first auxiliary water tank, the second auxiliary water tank are closed structure, are arranged on the second auxiliary water tank
There is solute to add window.
Control unit of the invention are as follows: air switch and frequency converter electrical connection, frequency converter are electrically connected with water pump.
Adjusting bracket of the invention is to adjustably adjust frame.
The experimental method of the experimental provision of a kind of simulation Karst Tunnel drainpipe crystallization of the invention, by following steps group
At:
Before the first above-mentioned drainage cell of S1, splicing, the second drainage cell, every group of bellows is weighed up with accurate electronic scale
Quality w0And record respectively, it, will be corresponding after splicing and setting the first drainage cell, the second drainage cell by requirement of experiment
Valve is closed；
S2, configured Karst Tunnel aqueous solution is placed in the second auxiliary water tank, and adjusts frequency converter and air switch,
It is evacuated to the aqueous solution in the second auxiliary water tank in main water box, after liquid level reaches desired height in main water box, closes frequency converter
And air switch, and main water box, the first auxiliary water tank, the second auxiliary water tank are covered into closing；
S3, valve is opened to necessary requirement, adjusts frequency converter and air switch again, the aqueous solution in main water box passes through
First drainage cell flow to the first auxiliary water tank, flow to the second auxiliary water tank by the second drainage cell, and water pump is auxiliary by second again
The water of water tank is helped to draw back in main water box, to guarantee that whole system water circulation can be normally carried out for a long time；
S4, lower transverse wave pipe and longitudinal corrugated pipe were dismantled every 2 weeks, and addition is appropriate molten into the second auxiliary water tank
Matter；The quality w of every group of bellows is weighed with accurate electronic scale1And record respectively, subtract the net weight w of initial bellows0, obtain
To crystalline quality w, i.e. w=w1-w0, time t is recorded, every group of drainpipe crystalline rate can be obtainedAnd it records respectively；
S5, experimental period are 1 year, and the w of record and v are depicted as statistical chart, analyze the influence factor of drainpipe crystallization, always
Tie crystallization rule.
The present invention has the advantage that compared with the prior art
1, three water tanks that the present invention is arranged all have closing cap, and when guaranteeing that experiment carries out, whole system is in opposite envelope
Closed state is bonded with the practical embedding state of Karst Tunnel area drain pipe, meanwhile, closing cap has effectively completely cut off other in air
Substance, such as carbon dioxide infecting for solution, strict control experimental factors.
2, air switch and frequency converter, energy is arranged in present invention setting return pipe, water supplying pipe, water pump and console, console
The power for controlling to efficient, flexible water pump, the state for circulating water constantly can simulate practical Karst Tunnel drainpipe
The continuous generation of middle water crystallization.
3, the present invention is directed to probe into the influence factor and rule of the crystallization of Karst Tunnel drainpipe, drainpipe is not only allowed for
The influence of the gradient, flow for crystallization, also by pasting cloth waste material and concrete disintegrating slag, it is contemplated that drain inside pipe wall friction and apply
Influence of the work situation lack of standardization for crystallization；By adding longitudinal corrugated pipe, for crystallization when simulation transverse and longitudinal drainpipe joins
It influences；By the way that heating layer and insulating layer, the influence that analog temperature crystallizes drainpipe are arranged outside bellows；By setting compared with
The draining pipe unit of minor diameter simulates influence of the different-diameter drainpipe for crystallization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural schematic diagram of I type drainpipe 2 in Fig. 1.
Fig. 4 is the structural schematic diagram of II type drainpipe 12 in Fig. 1.
Fig. 5 is the structural schematic diagram of III type drainpipe 11 in Fig. 1.
Fig. 6 is the structural schematic diagram of IV type drainpipe 10 in Fig. 1.
Fig. 7 is the structural schematic diagram of V type drainpipe 9 in Fig. 1.
Fig. 8 is the structural schematic diagram of VI type drainpipe 8 in Fig. 1.
In figure: 1, main water box；2, I type drainpipe；3, the first auxiliary water tank；4, return pipe；5, bracket；6, adjusting bracket；7,
Second auxiliary water tank；8, VI type drainpipe；9, V type drainpipe；10, IV type drainpipe；11, III type drainpipe；12, II type is arranged
Water pipe；13, control unit；14, water pump；15, water supplying pipe；16, hard straight tube；17, valve；18, hose；19, transverse wave pipe；
20, longitudinal corrugated pipe；21, cloth waste material, 22, concrete disintegrating slag；23, heating layer；24, insulating layer.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples, but the present invention is not restricted to these implement
Example.
Embodiment 1
In Fig. 1,2, a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization of the present invention is equipped on bracket 5
Main water box 1,1 width side of main water box are connected by return pipe 4 with the first auxiliary water tank 3 and the second auxiliary water tank 7, guarantee master
Liquid level is no more than certain altitude in water tank 1, ensure that the stability of device, the 1 width other side of main water box is by being mounted on water supply
Water pump 14 on pipe 15 is connected with the second auxiliary water tank 7, and the solution in the second auxiliary water tank 7 is evacuated to main water box 1 by water pump
Interior, the control unit 13 that water pump 13 is electrically connected with control unit 12 is made of air switch and frequency converter, air switch and frequency conversion
Device electrical connection, frequency converter are electrically connected with water pump 14, can be adjusted the power of water pump 14 by adjusting frequency converter and air switch, be guaranteed
The normal steady progress of whole system water circulation.Length direction two sides are machined with 5 groups of water outlets respectively on the main water box 1 of the present embodiment
Hole, 1 length direction side of main water box is provided with the first auxiliary water tank 3, the other side is provided with the second auxiliary water tank 7, the first auxiliary
Water tank 3 is connected by the first drainage cell with main water box 1, and the second auxiliary water tank 7 passes through the second drainage cell and 1 phase of main water box
Connection, main water box 1 of the invention, the first auxiliary water tank 3, the second auxiliary water tank 7 are closed structure, avoid air plankton to solution
Infect, improve the confidence level of experimental result, solute addition window, every 2 weeks, past second be provided on the second auxiliary water tank 7
Appropriate solute is added in auxiliary water tank 7.
First drainage cell and the second drainage cell are set on the adjusting bracket 6 of installation on the ground, and adjusting bracket 6 is that can stretch
Contracting adjusting bracket, as shown in figure 3, first drainage cell of the present embodiment is made of 5 group of I type drainpipe, I type drainpipe 2 are as follows: hard straight
16 one end of pipe is connected with main water box 1, the other end is connected with hose 18, and hose 18 is connected with transverse wave pipe 19, hard straight
Valve 17 is installed on pipe 16；The height that wherein 3 group of I type drainpipe 2 adjusts adjusting bracket 6 keeps its gradient different, probes into the gradient pair
The influence of drainpipe crystallization, in addition 2 group of I 2 control valve 17 of type drainpipe control water flow is different, for probing into flow velocity for row
The influence of water pipe crystallization.
Second drainage cell of the present embodiment is arranged by II type drainpipe 12, III type drainpipe 11, IV type drainpipe 10, V type
Water pipe 9, VI type drainpipe 8 form, and the gradient of each group drainpipe is identical in the second drainage cell, as shown in Fig. 4~8, II type row
Water pipe 12 are as follows: hard 16 one end of straight tube is connected with main water box 1, the other end is connected with hose 18, hose 18 and transverse wave pipe
19 are connected, and 19 end horizontal of transverse wave pipe is provided with the longitudinal corrugated pipe 20 perpendicular with transverse wave pipe 19, hard straight tube
Valve is provided on 16, influence when for probing into the handover of drainpipe transverse and longitudinal to drainpipe crystallization；
III type drainpipe 11 are as follows: hard 16 one end of straight tube is connected with main water box 1, the other end is connected with hose 18, hose
18 are connected with transverse wave pipe 19, and 19 inner surface of transverse wave pipe is laid with cloth waste material 21, are provided with valve on hard straight tube 16
17, for probing into the difference of drainpipe inner-wall material, i.e. the coefficient of friction not influence to drainpipe crystallization simultaneously；
IV type drainpipe 10 are as follows: hard 16 one end of straight tube is connected with main water box 1, the other end is connected with hose 18, hose
18 are connected with transverse wave pipe 19, and 19 inner surface of transverse wave pipe is laid with concrete disintegrating slag 22, are provided on hard straight tube 16
Valve 17, influence when constructing lack of standardization for probing into, to drainpipe crystallization；
V type drainpipe 9 are as follows: hard 16 one end of straight tube is connected with main water box 1, the other end is connected with hose 18, hose 18
It is connected with transverse wave pipe 19, is provided with valve 17 on hard straight tube 16；The caliber of V type drainpipe 9 is less than remaining each drainpipe
Caliber, for probing into the influence that crystallizes to drainpipe of draining pipe diameter difference.
VI type drainpipe 8 are as follows: hard 16 one end of straight tube is connected with main water box 1, the other end is connected with hose 18, hose 18
It is connected with transverse wave pipe 19,19 outer surface of transverse wave pipe is successively laid with heating layer 23 and insulating layer 24, hard straight tube 16
On be provided with valve 17, for probing into the influence that temperature difference crystallizes drainpipe locating for drainpipe.
According to a kind of above-mentioned experimental method of the experimental provision of simulation Karst Tunnel drainpipe crystallization, by following steps group
At:
Before the first above-mentioned drainage cell of S1, splicing, the second drainage cell, every group of bellows is weighed up with accurate electronic scale
Quality w0, and record respectively, after splicing and setting the first drainage cell, the second drainage cell by requirement of experiment, it will correspond to
Valve close；
S2, configured Karst Tunnel aqueous solution is placed in the second auxiliary water tank 7, and adjusts frequency converter and air is opened
It closes, is evacuated to the aqueous solution in the second auxiliary water tank 7 in main water box 1, after liquid level reaches desired height in main water box 1, close
Frequency converter and air switch, and main water box 1, the first auxiliary water tank 3, the second auxiliary water tank 7 are covered into closing；
S3, valve is opened to necessary requirement, adjusts frequency converter and air switch again, the aqueous solution in main water box 1 is logical
It crosses the first drainage cell to flow to the first auxiliary water tank 3, flow to the second auxiliary water tank 7 by the second drainage cell, water pump 14 again will
The water of second auxiliary water tank 7 is drawn back in main water box 1, to guarantee that whole system water circulation can be normally carried out for a long time；
S4, lower transverse wave pipe 19 and longitudinal corrugated pipe 20 were dismantled every 2 weeks, and add and fit into the second auxiliary water tank 7
Measure solute；The quality w of every group of bellows is weighed with accurate electronic scale1, and record respectively, subtract the net weight of initial bellows
w0, obtain crystalline quality w, i.e. w=w1-w0, time t is recorded, every group of drainpipe crystalline rate can be obtainedAnd remember respectively
Record；
S5, experimental period are 1 year, and the w of record and v are depicted as statistical chart, analyze the influence factor of drainpipe crystallization, always
Tie crystallization rule.
Carry out crystallization experiment is adopted the device and the method, main water box 1 is having a size of 0.8m*2.5m*1m in this experiment, and first
The size of auxiliary water tank 1 and the second auxiliary water tank 7 is 0.4m*2.2m*0.6m, in the first auxiliary water tank 3, the second auxiliary water tank 7
Liquor capacity is 352L, and solution PH 8.66, calcium carbonate density is 2.93g/cm3, calcium chloride quality is 57.2g, sodium bicarbonate
For 83.6g, sodium hydroxide 80.5g, each time of measuring is 2 weeks, carries out 6 measurements altogether and records every group when record experiment starts
The initial mass of screwed pipe, after experiment starts, the quality of every group of screwed pipe after recording every two weeks, the matter of crystallization front and back screwed pipe
Amount comparison such as following table.
1 drainage cell of table crystallization front and back quality controls table
As seen from the above table,
(1) within limits, with the increase of flow velocity, crystalline rate is gradually increased flow velocity, with the reduction of flow velocity,
Crystalline rate is gradually reduced.(2) in a certain range, with the increase of the gradient, crystalline rate increases the drainpipe gradient.
(3) when draining pipe diameter is smaller, crystalline rate is general also smaller.
(4) in a certain range, when temperature is higher, crystalline rate is higher for temperature.
(5) in a certain range, more more coarse easier crystallization, more smooth for drainpipe inner wall coarse degree, is more not easy to crystallize.
Claims (9)
1. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization, it is characterised in that: main water box is provided on bracket, it is main
Water tank length direction side is provided with the first auxiliary water tank, the other side is provided with the second auxiliary water tank, and the first auxiliary water tank passes through
First drainage cell is connected with main water box, and the second auxiliary water tank is connected by the second drainage cell with main water box, first row
Water unit and the second drainage cell are set on the adjusting bracket of installation on the ground, and main water box width side is by being mounted on water supply
Water pump on pipe is connected with the second auxiliary water tank, and water pump is electrically connected with control unit, and the main water box width other side passes through return water
Pipe is connected with the first auxiliary water tank and the second auxiliary water tank.
2. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization according to claim 1, it is characterised in that described
The first drainage cell are as follows: 5 group of I type drainpipe is all set on installation adjusting bracket on the ground.
3. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization according to claim 2, it is characterised in that described
I type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and transverse wave pipe phase
It is connected to, is provided with valve on hard straight tube.
4. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization according to claim 3, it is characterised in that described
The second drainage cell are as follows: II type drainpipe, III type drainpipe, IV type drainpipe, V type drainpipe, VI type drainpipe are respectively provided with
In on the adjusting bracket being mounted on bottom surface.
5. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization according to claim 4, it is characterised in that described
II type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and transverse wave pipe phase
Connection, transverse wave tube end is horizontally disposed the longitudinal corrugated pipe perpendicular with transverse wave pipe, is provided with valve on hard straight tube
Door；
III type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and transverse wave pipe
It is connected, transverse wave pipe internal surface is laid with cloth waste material, is provided with valve on hard straight tube；
IV type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and transverse wave pipe
It is connected, transverse wave pipe internal surface is laid with concrete disintegrating slag, is provided with valve on hard straight tube；
V type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and transverse wave pipe
It is connected, is provided with valve on hard straight tube；The caliber of V type drainpipe is less than the caliber of remaining each drainpipe；
VI type drainpipe are as follows: hard straight tube one end is connected with main water box, the other end is connected with hose, hose and transverse wave pipe
It is connected, transverse wave tube outer surface is successively laid with heating layer and insulating layer, is provided with valve on hard straight tube.
6. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization according to claim 1, it is characterised in that: described
Main water box, the first auxiliary water tank, the second auxiliary water tank be closed structure, solute addition window is provided on the second auxiliary water tank
Mouthful.
7. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization according to claim 1, it is characterised in that described
Control unit are as follows: air switch and frequency converter electrical connection, frequency converter is electrically connected with water pump.
8. a kind of experimental provision of simulation Karst Tunnel drainpipe crystallization according to claim 1, it is characterised in that: described
Adjusting bracket be adjustably adjust frame.
9. a kind of experiment side of the experimental provision of simulation Karst Tunnel drainpipe crystallization according to the claims 1~8
Method, it is characterised in that comprise the steps of:
Before the first above-mentioned drainage cell of S1, splicing, the second drainage cell, the matter of every group of bellows is weighed up with accurate electronic scale
Measure w0And record respectively, after splicing and setting the first drainage cell, the second drainage cell by requirement of experiment, by corresponding valve
It closes；
S2, configured Karst Tunnel aqueous solution is placed in the second auxiliary water tank, and adjusts frequency converter and air switch, make
Aqueous solution in two auxiliary water tanks is evacuated in main water box, after liquid level reaches desired height in main water box, closes frequency converter and sky
Air cock, and main water box, the first auxiliary water tank, the second auxiliary water tank are covered into closing；
S3, valve is opened to necessary requirement, adjusts frequency converter and air switch again, the aqueous solution in main water box passes through first
Drainage cell flow to the first auxiliary water tank, flow to the second auxiliary water tank by the second drainage cell, and water pump is again by the second auxiliary water
The water of case is drawn back in main water box, to guarantee that whole system water circulation can be normally carried out for a long time；
S4, lower transverse wave pipe and longitudinal corrugated pipe were dismantled every 2 weeks, and appropriate solute is added into the second auxiliary water tank；With
Accurate electronic scale weighs the quality w of every group of bellows1And record respectively, subtract the net weight w of initial bellows0, crystallized
Quality w, i.e. w=w1-w0, time t is recorded, every group of drainpipe crystalline rate can be obtainedAnd it records respectively；
S5, experimental period are 1 year, and the w of record and v are depicted as statistical chart, the influence factor of analysis drainpipe crystallization, total junction
Brilliant rule.
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| CN201811638827.XA CN109540727B (en) | 2018-12-29 | 2018-12-29 | Experimental device and experimental method for simulating karst tunnel drain pipe crystallization |
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| CN201811638827.XA CN109540727B (en) | 2018-12-29 | 2018-12-29 | Experimental device and experimental method for simulating karst tunnel drain pipe crystallization |
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| Title |
|---|
| 赵小二;常勇;彭伏;吴吉春;: "水箱-管道系统溶质运移实验研究及其岩溶水文地质意义", 吉林大学学报(地球科学版), no. 04 * |
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| CN109540727B (en) | 2024-03-08 |
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