CN104297094A - Experimental facility for simulating calcium carbonate crystallization law of tunnel drain pipe in limestone region - Google Patents
Experimental facility for simulating calcium carbonate crystallization law of tunnel drain pipe in limestone region Download PDFInfo
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- CN104297094A CN104297094A CN201410484203.2A CN201410484203A CN104297094A CN 104297094 A CN104297094 A CN 104297094A CN 201410484203 A CN201410484203 A CN 201410484203A CN 104297094 A CN104297094 A CN 104297094A
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- calcium carbonate
- experimental provision
- carbonate crystal
- drainpipe
- tunneling drain
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Abstract
The invention discloses an experimental facility for simulating calcium carbonate crystallization law of a tunnel drain pipe in a limestone region. The experimental facility for simulating calcium carbonate crystallization law of the tunnel drain pipe in the limestone region comprises a large water tank, a small water tank, a discharging pipe, a water pump, a speedometer, a valve, a precise quality detection instrument and a drying apparatus. The invention provides the experimental facility with good performances for researching the crystallization law of the underground water flowing through the discharging pipe in the limestone region and analyzing crystallization condition, the crystallization speed, the crystalline nature and other crystal growth influence factors and the crystal growth parameters. The experimental facility has a simple structure and can be operated conveniently, the convenient device is provided for the research of the carbonate crystallization of the tunnel drain pipe in the limestone region, and the service life and the reliability of the tunnel drainage system in the limestone region are improved.
Description
Technical field
The invention belongs to carbonate crystallization technical field, particularly relate to a kind of experimental provision of simulating Limestone pavement tunneling drain calcium carbonate crystal rule.
Background technology
Along with the increase of China's construction scale, the quantities of Limestone pavement greatly increases, a large amount of tunnels all will pass through Limestone pavement, and tunnel drainage system is passing through in Limestone pavement process, its drainage pipeline is easy to form calcium carbonate crystal, thus blocking drainage pipeline, once result in blockage, hydraulic pressure increases the aggravation that tunnel double-lining cracking likely can be caused to cause treatment technology for tunnel seepage phenomenon, the dredging repair of drainage pipeline simultaneously also can drop into a large amount of manpower and materials, thus increase tunnel operation and management expense, affect traffic, so it is very necessary to study carbonate crystallization problem.In view of drainpipe is blocked in the calcareous crystallization in Limestone pavement tunneling drain, affect the engineering problem of drainage effect, by a kind of experimental provision, research Limestone pavement groundwater flow, through the crystallization rule of drainpipe, analyzes crystal growth influence factor and the parameters such as crystallization condition, crystallization rate, crystalline nature.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of experimental provision of simulating Limestone pavement tunneling drain calcium carbonate crystal rule, aim to provide and a kind ofly study the crystallization rule of Limestone pavement groundwater flow through drainpipe, analyze the experimental provision of the crystal growth influence factors such as crystallization condition, crystallization rate, crystalline nature and parameter.
The embodiment of the present invention realizes like this, simulate an experimental provision for Limestone pavement tunneling drain calcium carbonate crystal rule, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule comprises: large water tank, drainpipe, control valve, circulation cistern, water pump, CO
2air bag, drinking-water pipe;
Large water tank connects one end of drainpipe, control valve and CO
2air bag is arranged on drainpipe, and water pump connects circulation cistern by drinking-water pipe, and circulation cistern connects the other end of drainpipe and one end of drinking-water pipe, and the other end of drinking-water pipe connects large water tank, places Ca (OH) in large water tank
2solution.
Further, in the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule, the calcareous crystallization formation condition of carbonate comprises: calcium ion concentration, ambient temperature, CO
2concentration.
Further, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule realizes the adjustment of flow velocity.
Further, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule realizes the change of change of water level and hydraulic pressure.
Further, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule realizes the change of different tubing.
Further, the change of different tubing comprises: the change of pvc pipe, PE pipe, stainless steel; The change of inner wall roughness; The change of diameter; The change of shape.
Further, the implementation method of the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule: the drainpipe of 1 meter is weighed, as initial weight w
0; Through the circulation of (30d, 60d......90d) after a while, this drainpipe of 1 meter is pulled down, is weighed as w
1; Then crystalline solid weight w
2=w
1-w
0; Then amounting to crystalline solid at the average thickness of tube wall is: w
2/ (2 π r ρ), wherein: r is drainpipe internal diameter; ρ is CaCO
3the density of crystalline solid, obtains crystallization rate.
The experimental provision of simulation Limestone pavement tunneling drain calcium carbonate crystal rule provided by the invention, comprises large water tank, rising pipe, control valve, circulation cistern, water pump, CO
2the instrument, baker etc. of air bag, sillometer, accurate mass metering; For research Limestone pavement groundwater flow is through the crystallization rule of drainpipe, analyzes crystal growth influence factor and the parameters such as crystallization condition, crystallization rate, crystalline nature, provide a kind of experimental provision of function admirable.Structure of the present invention is simple, easy to operate, for the research of Limestone pavement tunneling drain calcium carbonate crystal provides device easily, improves the serviceable life of Limestone pavement tunnel drainage pipeline simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the experimental provision of the simulation Limestone pavement tunneling drain calcium carbonate crystal rule that the embodiment of the present invention provides;
In figure: 1, large water tank; 2, drainpipe; 3, control valve; 4, circulation cistern; 5, water pump; 6, CO
2air bag; 7, drinking-water pipe.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, the experimental provision of the simulation Limestone pavement tunneling drain calcium carbonate crystal rule of the embodiment of the present invention is primarily of large water tank 1, drainpipe 2, control valve 3, circulation cistern 4, water pump 5, CO
2air bag 6, drinking-water pipe 7;
Large water tank 1 connects one end of drainpipe 2, control valve 3 and CO
2air bag 6 is arranged on drainpipe 2, and water pump 5 connects circulation cistern 4 by drinking-water pipe 7, and circulation cistern 4 connects the other end of drainpipe 2 and one end of drinking-water pipe 7, and the other end of drinking-water pipe 7 connects large water tank 1, places Ca (OH) in large water tank 1
2solution.
As shown in Figure 1, this device is by large water tank, rising pipe, control valve, circulation cistern, water pump, CO
2the composition such as instrument, baker of air bag, sillometer, accurate mass metering.A certain amount of certain density Ca (OH) is housed in large water tank
2solution; Water tank right flank is connected with rising pipe, and comfortable rising pipe is equipped with control valve; The end of rising pipe is connected with drainpipe, and drainpipe is replaceable, and can change different-diameter into, unlike material, difform to launch research; Solution flows through drainpipe and flows to circulation cistern; The liquid of circulation cistern, again through water pump, again in suction large water tank, realizes circulation.
Before on-test, the drainpipe of 1 meter is weighed, as initial weight w
0; The circulation of (30d, 60d......90d etc.) through after a while, pulls down this drainpipe of 1 meter, is weighed as w
1; Then crystalline solid weight w
2=w
1-w
0; Then amounting to crystalline solid at the average thickness of tube wall is: w
2/ (2 π r ρ), wherein: r is drainpipe internal diameter; ρ is CaCO
3the density of crystalline solid.According to this kind of method, just crystallization rate can be obtained.
The function that the present invention realizes is:
(1) research (calcium ion concentration, ambient temperature, the CO of the calcareous crystallization formation condition of carbonate
2concentration etc.);
(2) water velocity is on the impact (experimental provision is wanted realize adjusting flow velocity) of the Formation rule of the calcareous crystallization of carbonate;
(3) flowing water pressure is on the impact (experimental provision is wanted to realize change of water level and variation in water pressure) of the Formation rule of the calcareous crystallization of carbonate;
(4) on the impact of the Formation rule of the calcareous crystallization of carbonate, (change that can realize different tubing wanted by experimental provision, the change of the such as 1. material such as pvc pipe, PE pipe, stainless steel in tubing change; 2. the change of inside pipe wall roughness; 3. the change of diameter; 4. the change of shape).
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. simulate the experimental provision of Limestone pavement tunneling drain calcium carbonate crystal rule for one kind, it is characterized in that, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule comprises: large water tank, drainpipe, control valve, circulation cistern, water pump, CO
2air bag, drinking-water pipe;
Large water tank connects one end of drainpipe, control valve and CO
2air bag is arranged on drainpipe, and water pump connects circulation cistern by drinking-water pipe, and circulation cistern connects the other end of drainpipe and one end of drinking-water pipe, and the other end of drinking-water pipe connects large water tank, places Ca (OH) in large water tank
2solution.
2. the experimental provision of simulation Limestone pavement tunneling drain calcium carbonate crystal rule as claimed in claim 1, it is characterized in that, in the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule, the calcareous crystallization formation condition of carbonate comprises: calcium ion concentration, ambient temperature, CO
2concentration.
3. the experimental provision of simulation Limestone pavement tunneling drain calcium carbonate crystal rule as claimed in claim 1, it is characterized in that, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule realizes the adjustment of flow velocity.
4. the experimental provision of simulation Limestone pavement tunneling drain calcium carbonate crystal rule as claimed in claim 1, it is characterized in that, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule realizes the change of change of water level and hydraulic pressure.
5. the experimental provision of simulation Limestone pavement tunneling drain calcium carbonate crystal rule as claimed in claim 1, it is characterized in that, the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule realizes the change of different tubing.
6. the experimental provision of simulation Limestone pavement tunneling drain calcium carbonate crystal rule as claimed in claim 5, it is characterized in that, the change of different tubing comprises: the change of pvc pipe, PE pipe, stainless steel; The change of inner wall roughness; The change of diameter; The change of shape.
7. the experimental provision of simulation Limestone pavement tunneling drain calcium carbonate crystal rule as claimed in claim 1, it is characterized in that, the implementation method of the experimental provision of this simulation Limestone pavement tunneling drain calcium carbonate crystal rule: the drainpipe of 1 meter is weighed, as initial weight w
0; Through the circulation of (30d, 60d......90d) after a while, this drainpipe of 1 meter is pulled down, is weighed as w
1; Then crystalline solid weight w
2=w
1-w
0; Then amounting to crystalline solid at the average thickness of tube wall is: w
2/ (2 π r ρ), wherein: r is drainpipe internal diameter; ρ is CaCO
3the density of crystalline solid, obtains crystallization rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484203.2A CN104297094A (en) | 2014-09-22 | 2014-09-22 | Experimental facility for simulating calcium carbonate crystallization law of tunnel drain pipe in limestone region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484203.2A CN104297094A (en) | 2014-09-22 | 2014-09-22 | Experimental facility for simulating calcium carbonate crystallization law of tunnel drain pipe in limestone region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104297094A true CN104297094A (en) | 2015-01-21 |
Family
ID=52316920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410484203.2A Pending CN104297094A (en) | 2014-09-22 | 2014-09-22 | Experimental facility for simulating calcium carbonate crystallization law of tunnel drain pipe in limestone region |
Country Status (1)
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|---|---|
| CN (1) | CN104297094A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556900A (en) * | 2018-11-30 | 2019-04-02 | 西南交通大学 | The simulation test device and pilot system of Crystallization Plugging in tunneling drain |
| CN109827958A (en) * | 2018-12-21 | 2019-05-31 | 长安大学 | In Karst Tunnel drainage system Crystallization Plugging simulation test device and test method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271698A (en) * | 1979-10-29 | 1981-06-09 | Conoco, Inc. | Apparatus to measure plasticizer absorption in polymer powders |
| JPS61220793A (en) * | 1985-03-25 | 1986-10-01 | Sasakura Eng Co Ltd | Method for monitoring and controlling water quality |
| JPH10104220A (en) * | 1996-09-30 | 1998-04-24 | Shimadzu Corp | Combustion-oxidation type toc meter |
| CN101246105A (en) * | 2008-01-16 | 2008-08-20 | 东北电力大学 | Method and device for measuring anti-dirty performance of material surface based on weight method |
| CN101270660A (en) * | 2008-04-24 | 2008-09-24 | 中国海洋石油总公司 | Dynamic scale formation instrument |
| CN204142596U (en) * | 2014-09-22 | 2015-02-04 | 韦良文 | A kind of experimental provision of simulating Limestone pavement tunneling drain calcium carbonate crystal rule |
-
2014
- 2014-09-22 CN CN201410484203.2A patent/CN104297094A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271698A (en) * | 1979-10-29 | 1981-06-09 | Conoco, Inc. | Apparatus to measure plasticizer absorption in polymer powders |
| JPS61220793A (en) * | 1985-03-25 | 1986-10-01 | Sasakura Eng Co Ltd | Method for monitoring and controlling water quality |
| JPH10104220A (en) * | 1996-09-30 | 1998-04-24 | Shimadzu Corp | Combustion-oxidation type toc meter |
| CN101246105A (en) * | 2008-01-16 | 2008-08-20 | 东北电力大学 | Method and device for measuring anti-dirty performance of material surface based on weight method |
| CN101270660A (en) * | 2008-04-24 | 2008-09-24 | 中国海洋石油总公司 | Dynamic scale formation instrument |
| CN204142596U (en) * | 2014-09-22 | 2015-02-04 | 韦良文 | A kind of experimental provision of simulating Limestone pavement tunneling drain calcium carbonate crystal rule |
Non-Patent Citations (5)
| Title |
|---|
| 孙晓清: "超声波防垢的流动液体运行参数和管道参数实验研究", 《中国优秀硕士学位论文全文数据库基础科学辑》 * |
| 宋焕荣等: "碳酸盐的结晶沉淀", 《中国岩溶》 * |
| 朱立群等: "地热水管道不锈钢管材腐蚀与结垢试验", 《江苏大学学报（自然科学版）》 * |
| 胡源申等: "高炉冷却壁内水管结垢研究及其主要影响因素", 《包头钢铁学院学报》 * |
| 谭延坤等: "声空化作用下城市污水在碳钢管内结垢的研究", 《哈尔滨商业大学学报（自然科学版）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556900A (en) * | 2018-11-30 | 2019-04-02 | 西南交通大学 | The simulation test device and pilot system of Crystallization Plugging in tunneling drain |
| CN109827958A (en) * | 2018-12-21 | 2019-05-31 | 长安大学 | In Karst Tunnel drainage system Crystallization Plugging simulation test device and test method |
| CN109827958B (en) * | 2018-12-21 | 2023-08-18 | 长安大学 | Karst area tunnel drainage system crystallization blocking simulation test device and test method |
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Application publication date: 20150121 |