CN102980973B - Water rock chemical action device - Google Patents
Water rock chemical action device Download PDFInfo
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- CN102980973B CN102980973B CN201210457579.5A CN201210457579A CN102980973B CN 102980973 B CN102980973 B CN 102980973B CN 201210457579 A CN201210457579 A CN 201210457579A CN 102980973 B CN102980973 B CN 102980973B
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- China
- Prior art keywords
- upper shell
- water
- shell body
- rock
- lower house
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Abstract
A water rock chemical action device comprises an upper shell body (1) and a lower shell body (13). The water rock chemical action device is characterized in that a cylindrical cavity with footsteps is placed inside the upper shell body (1), the top portion of the cylindrical cavity is designed into a reversed horn-shaped form, and a water outlet (12) is placed on the top portion of the reversed horn. A horn-shaped cavity is placed inside the lower shell body (13), and a water inlet (11) is arranged in the bottom of the horn. The inner diameter of the lower portion of the upper shell body (1) is slightly larger than the external diameter of the upper portion of the lower shell body (13). A flange plate is arranged on the bottom of the lower shell body (13), a bolt hole (9) matched with the flange plate is formed in the lower portion of the upper shell body (1), the upper portion of the lower shell body (13) is placed inside the cylindrical cavity of the upper shell body (1) in a sleeved mode, and the lower shell body (13) is connected with the upper shell body (1) through a flange. A rock body test sample rubber ring (5) is placed between the top portion of the lower shell body (13) and the footsteps which are placed inside the upper shell body (1), an upper sealing ring (4) is arranged on the surface of the rock body test sample rubber ring (5), and a lower sealing ring (7) is placed on the underside of the rock body test sample rubber ring (5).
Description
Technical field
The present invention relates to a kind of simulation containing heterogeneity (as: dissolved oxygen DO, dissolved nitrogen, NaOH, SO
4 2-deng) device of aqueous solution and rock mass generation chemical action, be specially water rock chemical action device.
Background technology
Water rock chemical action also claims Water-rock interaction, refers in geologic process, the chemical reaction of the mutual exchanging action of material composition between aqueous solution and Minerals And Rocks, oxidizing Water-rock interaction, the Water-rock interaction etc. of reductibility.Water-rock interaction occurs in diagenetic process, and reaction product is the history witness of Diagenesis. and it not only can study Diagn, and can study rock mass activity history, composition and character.
No. 200510045186.3, Chinese patent discloses a kind of hot liquid feather diffusion simulating experimental set, comprise be connected to stop valve cylindrical shape diffusion reaction cabin, pressure control device and the corresponding Computer Control Unit that simultaneously can carry out data acquisition, it is characterized in that it also comprises the liquor sample comprising sample receiver, high pressure pump, T-valve, two-way valve and preheating device be connected with body bottom, diffusion reaction cabin and pumps into device.And have at the sidewall in diffusion reaction cabin and at least onely align right observation window.A safety overflow valve be connected with diffusion reaction cabin is set in bottom.Consider again the needs of real time sample, a sample valve be connected with diffusion reaction cabin via titanium pipe is set on the top in diffusion reaction cabin.And comprise the pressure control device of high pressure pump, two-way valve, T-valve and accumulator.The present invention is rational in infrastructure, practical, can carry out the kinds of experiments researchs such as submarine hydrothermal solution pinnule diffusion process and Water-rock interaction.But this device is mainly used in the development test of melt flow stream, cannot directly test for solid rock mass.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, design a kind of water rock chemical action device simulated containing heterogeneity aqueous solution and rock mass generation chemical action.This device directly can adopt all types of rock mass samples and carry out chemical action containing the aqueous solution of chemical solute to study the chemical deterioration process of rock mass under water rock chemical action and mechanism.
Concrete technical scheme of the present invention is: a kind of water rock chemical action device, comprises cylindrical upper shell and cylindrical lower house, it is characterized in that:
Have cylindrical cavity with the level in upper shell, wherein the top design of cylindrical cavity becomes inverted tubaeform, and the horn tip that falls is provided with water delivering orifice;
Have tubaeform chamber in lower house, bottom loudspeaker, be provided with water inlet;
Upper shell lower inner diameter is slightly larger than lower house top external diameter;
Be provided with ring flange bottom lower house, upper shell bottom is provided with the bolt hole coordinated with ring flange, and lower house top is sleeved in the cylindrical cavity of upper shell, passes through Flange joint between lower house and upper shell;
Rock mass sample cushion rubber is housed between the step in lower house top and upper shell, above rock mass sample cushion rubber, O-ring seal is housed, below rock mass sample cushion rubber, lower seal is housed.During experiment, rock mass sample cushion rubber is enclosed within circular rock mass sample periphery in embedding device.
Further scheme is: Rigid Porous plate is equipped with at the place of falling hydraucone of upper shell, between porous plate and upper O-ring seal, permeable membrane is housed;
Lower permeable membrane is equipped with at the hydraucone place of lower house.
The effect of Rigid Porous plate makes in test producing balanced forces and the indeformable breakage of rock mass sample, and porous plate needs to have certain compressive strength and resistance to chemical corrosion power, and porous plate also can be contained on step; The effect of upper permeable membrane, lower permeable membrane ensures with the water body of rock mass specimen reaction not containing impurity, and also can be replaced lower permeable membrane by the filtrator being located at water inlet, the filtrator being located at water delivering orifice replaces upper permeable membrane.Water inlet, water delivering orifice tubaeform is designed with and is beneficial to liquid equilibrium infiltration rock mass sample and fully reacts, and is conducive to the moments such as device startup because pressure jump is to the damage of parts and rock mass sample.Upper shell and lower house should have enough large intensity.Outside water delivering orifice, can multiway valve be set, to control water petrofacies interaction rear solution carrying out various test job.
Further scheme is: flange connections is equipped with airtight packing ring.
Upper O-ring seal, rock mass sample cushion rubber, lower seal, airtight packing ring multiplely can prevent fluid seepage, to ensure that water rock chemical action device is in closed environment, prevent seepage and reduce the pressure of water-rock interaction, affect test findings or cause test failure.
Advantage of the present invention is:
This device can meet heterogeneity (concentration) aqueous solution and rock mass carries out abundant chemical action, as simulation SO
4 2-salt to the generation of the sulfate in rock mass or H
2sO
4to the corrosive attack of rock mass, viewing test process, research aqueous solution and rock mass generation chemical action mechanism.Such as: (1) carries out water rock chemical reaction to Containing Sulfur mineral rock mass, the change of the character of water rock chemical reaction rear solution and the physico-mechanical properties of the rear rock mass sample of reaction can be studied; (2) Acidity of Aikalinity aqueous solution (HCl, H of variable concentrations is used
2sO
4, NaOH etc.) water rock chemical action is carried out to rock mass samples such as sandstone, limestone, red-bed mudstone, gypsum karst breccias, and then obtain the change of the microscopic appearance of rock mass sample corrosion surface and mineralogical composition change and not rock mass sample porosity in the same time.Therefore, this water rock chemical action device can simulate the aqueous environment of various states, is subject to chemical deterioration process and the mechanism of water lithification action rock mass under obtaining different erosion environment.
Accompanying drawing explanation
The three-dimensional semi-section schematic diagram of water rock chemical action device in Fig. 1 the present invention.
Water rock chemical action device elevation cross-sectional view in Fig. 2 the present invention.
In figure: 1. upper shell; 2. porous plate; 3. go up permeable membrane; 4. go up O-ring seal; 5. rock mass sample cushion rubber; 6. rock mass sample; 7. lower seal; 8. descend permeable membrane; 9. bolt hole; 10. airtight packing ring; 11. water inlets; 12. water delivering orifices; 13. lower houses.
Embodiment:
For setting forth the technology used in the present invention means further, below in conjunction with accompanying drawing, specific embodiment is described as follows.
As Fig. 1, a kind of water rock chemical action device, comprises cylindrical upper shell 1 and cylindrical lower house 13, it is characterized in that:
Have cylindrical cavity with the level in upper shell 1, wherein the top design of cylindrical cavity becomes inverted tubaeform, and the horn tip that falls is provided with water delivering orifice 12;
Have tubaeform chamber in lower house 13, bottom loudspeaker, be provided with water inlet 11;
Upper shell 1 lower inner diameter is slightly larger than lower house 13 top external diameter;
Be provided with ring flange bottom lower house 13, upper shell 1 bottom is provided with the bolt hole 9 coordinated with ring flange, and lower house 13 top is sleeved in the cylindrical cavity of upper shell 1, passes through Flange joint between lower house 13 and upper shell 1;
Rock mass sample cushion rubber 5 is housed between the step in lower house 13 top and upper shell 1, and rock mass sample cushion rubber 5 is equipped with O-ring seal 4 above, and rock mass sample cushion rubber 5 is equipped with lower seal 7 below.
Rigid Porous plate 2 is equipped with at the place of falling hydraucone of upper shell 1, and permeable membrane 3 is housed between porous plate 2 and upper O-ring seal 4;
Lower permeable membrane 8 is equipped with at the hydraucone place of lower house 13.
Flange connections is equipped with airtight packing ring 10.
The assembly method of water rock chemical action device can be as follows:
(1) first by the rock mass sample 6 for preparing and the assembly of rock mass sample cushion rubber 5;
(2) the airtight packing ring 10 of the latter half of water rock chemical action device embedded bolt hole on underside 9 place and alignd in each hole, lower permeable membrane 8 puts into lower house 13 hydraucone place;
(3) porous plate 2, upper permeable membrane 3, upper O-ring seal 4 are put into upper shell 1 successively;
(4) rock mass sample 6 and rock mass sample cushion rubber 5 lens are put into upper shell 1, rock mass sample 6 must be kept in this process to be in horizontality, to ensure that rock mass sample is not damaged;
(5) lower seal 7 is put into upper shell 1, upper O-ring seal 4, lower seal 7 can be shunk to device flat circle central point when being positioned in device and produce radial outward pressure force thus push against upper shell 1;
(6) be buckled on lower house 13 by upper shell 1, bolt hole aligns, and is connected by upper and lower two parts with bolt, device is connected into as a whole, thus defines complete water rock chemical action device.
Process of the test is as follows:
(1) solution enters water rock chemical action device by water inlet 11, and solution first filters to reduce the solid impurity contained in solution through lower permeable membrane 8; (2) solution and rock mass sample carry out abundant chemical action; (3) solution after water rock chemical action filters through upper permeable membrane 3, flows out water rock chemical action device after porous plate 2.And then various water-quality test work is carried out to the solution after chemical reaction.
This device can vertically be installed as required, also can horizontally install.Preferably first stand upside down this device before experiment rear connecting pipeline, and the air injecting liquid discharge lower house 13 is tested again, or installation of being stood upside down by this device during experiment.
Claims (3)
1. a water rock chemical action device, comprises cylindrical upper shell (1) and cylindrical lower house (13), it is characterized in that:
Upper shell has cylindrical cavity with the level in (1), and wherein the top design of cylindrical cavity becomes inverted tubaeform, and the horn tip that falls is provided with water delivering orifice (12);
Lower house has tubaeform chamber in (13), is provided with water inlet (11) bottom loudspeaker;
Upper shell (1) lower inner diameter is slightly larger than lower house (13) top external diameter;
Lower house (13) bottom is provided with ring flange, upper shell (1) bottom is provided with the bolt hole (9) coordinated with ring flange, lower house (13) top is sleeved in the cylindrical cavity of upper shell (1), passes through Flange joint between lower house (13) and upper shell (1);
Between step in lower house (13) top and upper shell (1), rock mass sample cushion rubber (5) is housed, rock mass sample cushion rubber (5) is equipped with O-ring seal (4) above, and rock mass sample cushion rubber (5) is equipped with lower seal (7) below.
2. water rock chemical action device according to claim 1, is characterized in that:
Rigid Porous plate (2) is equipped with at the place of falling hydraucone of upper shell (1), and permeable membrane (3) is housed between porous plate (2) and upper O-ring seal (4);
Lower permeable membrane (8) is equipped with at the hydraucone place of lower house (13).
3. water rock chemical action device according to claim 1, is characterized in that flange connections is equipped with airtight packing ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457579.5A CN102980973B (en) | 2012-11-15 | 2012-11-15 | Water rock chemical action device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457579.5A CN102980973B (en) | 2012-11-15 | 2012-11-15 | Water rock chemical action device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102980973A CN102980973A (en) | 2013-03-20 |
| CN102980973B true CN102980973B (en) | 2015-04-15 |
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ID=47855190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210457579.5A Expired - Fee Related CN102980973B (en) | 2012-11-15 | 2012-11-15 | Water rock chemical action device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102980973B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336106B (en) * | 2013-06-24 | 2015-04-22 | 浙江大学 | High-temperature and high-pressure testing platform internally provided with flexible reaction chamber |
| CN104077950B (en) * | 2014-07-18 | 2017-10-27 | 中国地质大学（武汉） | A kind of fine and close rock mass water rock dynamic response experiment device for teaching and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4487056A (en) * | 1982-09-28 | 1984-12-11 | Phillips Petroleum Company | Determination of the imbibition characteristics of a rock formation |
| CN1810376A (en) * | 2005-11-17 | 2006-08-02 | 中国海洋大学 | Hot liquid feather diffusion simulating experimental set |
| CN102411044A (en) * | 2011-12-05 | 2012-04-11 | 中国石油大学(华东) | Diagenesis simulation experimental apparatus and method |
| CN102435716A (en) * | 2011-09-14 | 2012-05-02 | 中国石油天然气股份有限公司 | Diagenesis simulation experiment device |
| CN102565273A (en) * | 2011-12-26 | 2012-07-11 | 中国科学院地质与地球物理研究所 | Batch experimental device of water-rock reaction in CO2 geological storage |
-
2012
- 2012-11-15 CN CN201210457579.5A patent/CN102980973B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4487056A (en) * | 1982-09-28 | 1984-12-11 | Phillips Petroleum Company | Determination of the imbibition characteristics of a rock formation |
| CN1810376A (en) * | 2005-11-17 | 2006-08-02 | 中国海洋大学 | Hot liquid feather diffusion simulating experimental set |
| CN102435716A (en) * | 2011-09-14 | 2012-05-02 | 中国石油天然气股份有限公司 | Diagenesis simulation experiment device |
| CN102411044A (en) * | 2011-12-05 | 2012-04-11 | 中国石油大学(华东) | Diagenesis simulation experimental apparatus and method |
| CN102565273A (en) * | 2011-12-26 | 2012-07-11 | 中国科学院地质与地球物理研究所 | Batch experimental device of water-rock reaction in CO2 geological storage |
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| CN102980973A (en) | 2013-03-20 |
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