CN217060195U - PRB administers effect analogue means - Google Patents
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- CN217060195U CN217060195U CN202220555984.XU CN202220555984U CN217060195U CN 217060195 U CN217060195 U CN 217060195U CN 202220555984 U CN202220555984 U CN 202220555984U CN 217060195 U CN217060195 U CN 217060195U
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Abstract
The utility model belongs to the technical field of waste water treatment, specifically provide a PRB administers effect analogue means, include: an aeration sample preparation unit, a precipitation unit and a soil column simulation unit; wherein the aeration sample preparation unit is connected with the precipitation unit through a pipeline, and the precipitation unit is connected with an inlet of the soil column simulation unit through a pipeline; the soil column simulation unit comprises an S-shaped pipeline filled with PRB materials. The PRB treatment effect simulation device provided by the utility model has the advantages of simple structure, convenient use and low cost, and fills the blank of PRB treatment effect simulation and evaluation of the existing acidic mine water; the S-shaped earth pillar simulation unit prolongs the effective length of the earth pillar, simulates a longer AMD migration path in a limited space, and solves the problem that the length of a linear earth pillar cannot really simulate the PRB treatment process; the aeration sample preparation unit is adopted to prepare the acid mine water sample, so that the problems that the water consumption is large and the on-site sampling cannot meet the requirement are solved.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, concretely relates to PRB administers effect analogue means.
Background
Acid Mine Drainage (AMD) is a kind of strong Acid waste water produced by oxidation and hydrolysis of pyrite and oxygen in air after mining and closing various deposits containing pyrite. It not only has strong corrosivity, but also has red or yellow color due to containing a large amount of iron ions, and influences the sensory effect. With the enhancement of environmental awareness and the national emphasis on ecological environment protection and restoration, AMD treatment has been promoted.
On the other hand, PRB treatment effect simulation test researches specially aiming at AMD are relatively few at present, most of indoor tests are in the aspect of theoretical research experiments, and the adopted test equipment can only meet the requirements of the theoretical research and cannot simulate actual engineering conditions. However, the soil column test device adopted in the traditional simulation test cannot meet the special water quality requirement of AMD, and a set of PRB treatment effect simulation test device specially aiming at AMD needs to be developed urgently. The invention provides a PRB treatment effect simulation test device of AMD, which is specially designed for the characteristics of AMD.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that the earth pillar test device that traditional analogue test adopted can't adapt to AMD quality of water demand among the prior art.
Therefore, the utility model provides a PRB administers effect analogue means, include: an aeration sample preparation unit, a precipitation unit and a soil column simulation unit; the aeration sample preparation unit is connected with the sedimentation unit through a pipeline, and the sedimentation unit is connected with an inlet of the soil column simulation unit through a pipeline; the soil column simulation unit comprises an S-shaped pipeline filled with PRB materials.
Specifically, the S-shaped pipeline of the soil column simulation unit comprises an S-shaped pipe groove and a matched sealing cover, and the sealing cover is packaged at a notch of the S-shaped pipe groove to form a closed space for containing PRB materials.
Specifically, the outer edge of the notch of the S-shaped pipe groove is provided with a plurality of protrusions, the bottom of the sealing cover is provided with a buckle matched with the protrusions, and the S-shaped pipe groove is tightly attached to the sealing cover through the protrusions and the buckle.
Specifically, the soil column simulation unit further comprises a bracket with an adjustable inclination angle; the S-shaped pipeline is installed on the support.
Specifically, the aeration sample preparation unit comprises an aeration sample preparation container, a stirrer and an aeration pipe; the stirrer extends into the aeration sample preparation container; the aeration pipe penetrates through the side wall of the aeration sample preparation container from the outside and is arranged at the bottom of the aeration sample preparation container; the bottom of the aeration sample preparation container is connected with the sedimentation unit through a pipeline.
Specifically, the part of the aeration pipe, which is positioned in the aeration sample preparation container, is a coil pipe, and a plurality of sieve pores are arranged on the coil pipe.
Specifically, the sedimentation unit comprises a sedimentation tank and a sludge outlet pipe; the aeration sample preparation unit is connected with the sedimentation tank through a pipeline, and the sedimentation tank is connected with an inlet of the soil column simulation unit through a pipeline; the sludge outlet pipe is arranged at the bottom of the sedimentation tank.
Specifically, a filter is arranged on a connecting pipeline of the aeration sample preparation unit and the precipitation unit.
Specifically, the PRB treatment effect simulation apparatus further includes a sample storage container; and the inlet of the sample storage container is connected with the precipitation unit through a pipeline, and the outlet of the sample storage container is connected with the inlet of the soil column simulation unit through a pipeline.
Specifically, the PRB treatment effect simulation device further comprises a data acquisition and automatic control unit; the data acquisition and automatic control unit comprises a data processing system and a plurality of sensors; the plurality of sensors are respectively arranged in the sample storage container and the soil column simulation unit; the plurality of sensors are respectively connected with the data processing system through data lines.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
the utility model provides a PRB treatment effect analogue means simple structure, convenient to use, low cost have good economic benefits, environmental protection benefit and social. The aeration device and the sedimentation device are specially designed, natural pyrite slag is adopted to simulate the actual situation of a site in a laboratory to prepare AMD, the AMD water quality better accords with the actual situation of the site, the problems that the test water consumption is large and the test requirements cannot be met by site sampling are solved, and the blank of the prior art in the aspects of PRB treatment effect simulation and evaluation for AMD is filled. The utility model discloses a soil column simulation unit has adopted the design of S type, has prolonged the effective length of soil column, can simulate longer AMD migration path in limited space, has solved the unable real problem of simulation actual PRB treatment process of current linear type soil column length. The S-shaped soil column adopts a groove type design with a sealing cover, so that operations such as filling, compacting and taking out of PRB materials are facilitated; the groove body and the sealing cover are connected by adopting a sealing strip and a buckle structure meshed up and down, so that the two separation structures can be better combined into a whole, and the sealing performance is better.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Figure 1 is the utility model provides a PRB administers effect analogue means's schematic structure drawing.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is the utility model provides a cross-sectional schematic diagram of S-shaped pipe socket among PRB treatment effect analogue means.
Description of reference numerals: 1. an aeration sample preparation container; 2. a stirrer; 3. an electric motor; 4. a blower; 5. an aeration pipe; 6. a filter; 7. sealing the aeration sample preparation container; 8. sealing the cover of the sedimentation tank; 9. a sedimentation tank; 10. a mud outlet pipe; 11. a valve; 12. a water pump; 13. a sample storage container; 14. a sample storage container sealing cover; 15. an S-shaped pipe; 16. a sealing cover; 17. buckling; 18. an S-shaped pipe groove; 19. a protrusion; 20. a seal strip; 21. a support; 22 a water inlet sealing cover; 23. a water outlet sealing cover; 24. a sensor; 25. a data processing system; 26. and a data line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The utility model provides a PRB administers effect analogue means, include: an aeration sample preparation unit, a precipitation unit and a soil column simulation unit; the aeration sample preparation unit is connected with the sedimentation unit through a pipeline, and the sedimentation unit is connected with an inlet of the soil column simulation unit through a pipeline; the soil column simulation unit includes an S-shaped pipe 15 filled with PRB material inside. When the device is actually used, according to the water quality requirement of AMD to be simulated, the pyrite slag and water retrieved from the site are put into an aeration sample preparation unit according to the volume ratio of 1:3-10, and the pyrite is oxidized through aeration to generate the AMD. And then, extracting the AMD liquid into a precipitation unit through a pipeline, after precipitation, leading the supernatant into an S-shaped pipeline 15 of the soil column simulation unit, and realizing a PRB treatment simulation test through the material filled in the S-shaped pipeline 15. The S-shaped pipeline design prolongs the effective length of the earth pillar, can simulate a longer AMD migration path in a limited space, and solves the problem that the length of the existing linear earth pillar cannot really simulate the actual PRB treatment process.
Specifically, the S-shaped pipe 15 comprises an S-shaped pipe groove 18 and a matched sealing cover 16, and the sealing cover 16 is packaged at the notch of the S-shaped pipe groove 18 to form a closed space for containing the PRB materials. The groove design with the sealing cover 16 enables operations such as filling, compacting and taking out of PRB to be realized by opening the sealing cover 16 before simulation experiments are carried out. Preferably, referring to fig. 3, the outer edge of the notch of the S-shaped pipe groove 18 is provided with a plurality of protrusions 19, the bottom of the sealing cover 16 is provided with a buckle 17 matched with the protrusions 19, and the S-shaped pipe groove 18 and the sealing cover 16 are tightly attached through the protrusions 19 and the buckle 17, so that the two separation structures can be better combined into one. In order to further improve the sealing performance of the S-shaped pipe 15, a sealing strip 20 may be further provided at the contact between the S-shaped pipe groove 18 and the sealing cover 16.
In order to improve the mobility of the polluted liquid in the S-shaped pipeline 15, as shown in fig. 2, the soil column simulation unit further comprises a bracket 21 with an adjustable angle, the S-shaped pipeline 15 is mounted on the bracket 21, the inclination angle of the S-shaped pipeline 15 is adjusted by adjusting the bracket 21, the mobility of the polluted liquid is improved by utilizing the self gravity of the polluted liquid, the liquid blockage risk is reduced, and the polluted liquid is beneficial to discharge gas in the filling material.
In a detailed embodiment, the aeration sample preparation unit comprises an aeration sample preparation container 1, a stirrer 2 and an aeration pipe 5; the stirrer 2 extends into the aeration sample preparation container 1; the aeration pipe 5 penetrates through the side wall of the aeration sample preparation container 1 from the outside and is arranged at the bottom of the aeration sample preparation container 1; the bottom of the aeration sample preparation container 1 is connected with the sedimentation unit through a pipeline. The pyrite slag and water are put into an aeration sample preparation container 1, and after being uniformly stirred by a stirrer 2, the pyrite slag is aerated into the aeration sample preparation container 1 through an aeration pipe 5, so that AMD is generated after the pyrite is oxidized.
Further, in order to improve the aeration efficiency, the part of the aeration pipe 5, which is positioned in the aeration sample preparation container 1, is wound into a coil pipe structure, a plurality of sieve pores are arranged on the coil pipe to increase the ventilation capacity, the coil pipe can be prepared by adopting PVC, organic glass or stainless steel materials, and non-woven fabrics are wrapped outside the coil pipe to avoid the overlarge disturbance of air flow to ensure that the liquid in the aeration sample preparation container 1 overflows.
Preferably, a filter 6 is arranged on a connecting pipeline of the aeration sample preparation unit and the sedimentation unit, and the AMD is filtered by the filter 6 and then pumped into the sedimentation unit for sedimentation.
Further, the sedimentation unit comprises a sedimentation tank 9 and a sludge outlet pipe 10; the aeration sample preparation unit is connected with the sedimentation tank 9 through a pipeline, and the sedimentation tank 9 is connected with the inlet of the soil column simulation unit through a pipeline; the mud outlet pipe 10 is arranged at the bottom of the sedimentation tank 9. The sludge produced during the sedimentation process is discharged from the simulation device through the sludge discharge pipe 10.
Furthermore, the PRB treatment effect simulation device also comprises a sample storage container 13 which plays a role in buffering and storing; the inlet of the sample storage container 13 is connected with the sedimentation unit through a pipeline, the outlet of the sample storage container is connected with the inlet of the earth pillar simulation unit through a pipeline, and clear liquid generated by the sedimentation unit is pumped into the sample storage container 13 for standby.
In an optimized implementation mode, the PRB treatment effect simulation device further comprises a data acquisition and automatic control unit; the data acquisition and automatic control unit comprises a data processing system 25 and a plurality of sensors 24; the sensors 24 are respectively arranged in the sample storage container 13 and the S-shaped pipeline 15 of the soil column simulation unit; the sensors 24 are respectively connected with a data processing system 25 through data lines 26, and real-time parameters are collected through the sensors 24 during the test process, and the test process is controlled by the data processing system 25.
The effect of the novel PRB treatment effect simulation apparatus is studied through a specific embodiment.
The first embodiment is as follows:
as shown in fig. 1, this embodiment provides a PRB treatment effect simulation apparatus with a refined structure, including: an aeration sample preparation unit, a precipitation unit, a sample storage container 13, a soil column simulation unit and a data acquisition and automatic control unit; wherein, the first and the second end of the pipe are connected with each other,
the aeration sample preparation unit comprises an aeration sample preparation container 1, a stirrer 2 and an aeration pipe 5; the aeration sample preparation container 1 is a cylindrical container, and the upper end of the aeration sample preparation container is provided with an openable aeration sample preparation container sealing cover 7; the stirrer 2 penetrates through the sealing cover 7 of the aeration sample preparation container and extends into the bottom of the aeration sample preparation container 1, and the stirrer 2 is connected with a motor 3 to provide kinetic energy for the stirrer; the aeration pipe 5 penetrates through the side wall of the aeration sample preparation container 1 from the outside, and then is wound into a coil pipe to be arranged at the bottom of the aeration sample preparation container 1, sieve holes are densely distributed on the coil pipe, non-woven fabrics are wrapped outside the coil pipe, and the pipe opening of the aeration pipe 5 positioned outside the aeration sample preparation container 1 is connected with the air blower 4 to provide air flow for aeration;
the sedimentation unit comprises a sedimentation tank 9 and a sludge outlet pipe 10; the sedimentation tank 9 is a special-shaped body, the lower part of the sedimentation tank is a cone, and the upper part of the sedimentation tank is a cylinder; the sludge outlet pipe 10 is arranged at the bottom of the sedimentation tank 9, and a valve 11 is arranged on the sludge outlet pipe 10; an openable sedimentation tank sealing cover 8 is arranged at the top of the sedimentation tank 9, one end of a pipeline penetrates through the sedimentation tank sealing cover 8 and extends into the upper part of the sedimentation tank 9, the other end of the pipeline is communicated with the bottom of the aeration sample preparation container 1, and a filter 6 is arranged at the part connected with the aeration sample preparation container 1;
the sample storage container 13 is a cubic closed container, the top of the sample storage container is provided with an openable sample storage container sealing cover 14, a pipeline penetrates through the sample storage container sealing cover 14 and extends into the upper part of the sample storage container 13, and the other end of the pipeline penetrates through the sedimentation tank sealing cover 8 and extends into the middle part of the sedimentation tank 9;
the soil column simulation unit comprises an S-shaped pipeline 15 and a bracket 21 with an adjustable angle; the S-shaped pipe 15 is mounted on a bracket 21; one end of the S-shaped pipeline 15 is provided with a water inlet sealing cover 22, the other end of the S-shaped pipeline is provided with a water outlet sealing cover 23, the water inlet sealing cover 22 is provided with a small hole, one end of the pipeline is communicated with the S-shaped pipeline 15 through the small hole and the water inlet sealing cover 22, the other end of the pipeline penetrates through the sample storage container sealing cover 14 to reach the bottom of the sample storage container 13, the water outlet sealing cover 23 is provided with a small hole, and the S-shaped pipeline 15 is communicated with an external purified water collecting device through the pipeline penetrating small hole;
the S-shaped pipe 15 comprises an S-shaped pipe groove 18 and a matched sealing cover 16; for convenience of production and installation, as shown in fig. 1, the S-shaped pipe groove 18 may be formed by splicing a plurality of rectangular grooves and U-shaped grooves, both ends of which are not blocked, and the sections of the rectangular grooves and the U-shaped grooves perpendicular to the axial direction are rectangular; referring to fig. 3, a protrusion 19 is arranged on the outer edge of the notch of the S-shaped pipe groove 18, a buckle 17 matched with the protrusion 19 is arranged at the bottom of the sealing cover 16, and the S-shaped pipe groove 18 and the sealing cover 16 are tightly attached through the protrusion 19 and the buckle 17; symmetrical sealing strips 20 are arranged at the contact positions of the S-shaped pipe groove 18 and the sealing cover 16;
the data acquisition and automatic control unit comprises a data processing system 25 and a plurality of sensors 24; a plurality of said sensors 24 are respectively disposed below the level of the AMD sample in the reservoir 13 and in the straight PRB material section of the S-pipe 15; the plurality of sensors 24 are respectively connected with a data processing system 25 through data lines 26;
and a valve 11 and a water pump 12 are arranged on a connecting pipeline between each unit, and the flow rate, the flow speed and the like of liquid in the simulation device are regulated and controlled according to the test condition.
After the PRB treatment effect simulation device of the embodiment is built, the following steps can be adopted for carrying out simulation test.
1) According to the water quality requirement of AMD for simulation, the pyrite slag taken back on site and water are put into an aeration sample preparation container 1 according to the volume ratio of 1:3-10, a motor 3 is started, after a mixture is uniformly stirred by a stirrer 2, an air blower 4 is utilized to aerate the aeration sample preparation container 1 through an aeration pipe 5, so that the pyrite is oxidized to generate AMD;
2) filtering the AMD in the aeration sample preparation container 1 by a filter 6, and pumping into a sedimentation tank 9 for sedimentation;
3) pumping clear liquid at the middle upper part of the sedimentation tank 9 into a sample storage container 13 for later use;
4) filling PRB material into an S-shaped pipe groove 18 of an S-shaped pipeline 15, compacting, covering a sealing cover 16, and fastening a buckle 17 to ensure tightness;
5) opening a valve 11 and a water pump 12, and introducing the AMD solution in a sample storage container 13 into a soil column simulation unit to perform a simulation test;
6) parameters acquired by the sensor 24 are transmitted to the data processing system 25 in the test process, and the data processing system 25 is used for regulating and controlling the test process.
7) After the test is finished, all the valves 11 and the water pump 12 are closed, corresponding test materials are properly processed, and the equipment is cleaned.
The above examples are merely illustrative of the present invention, and do not constitute a limitation to the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a PRB administers effect analogue means which characterized in that includes: an aeration sample preparation unit, a precipitation unit and a soil column simulation unit; wherein the aeration sample preparation unit is connected with the precipitation unit through a pipeline, and the precipitation unit is connected with an inlet of the soil column simulation unit through a pipeline; the soil column simulation unit comprises an S-shaped pipeline (15), and PRB materials are filled in the S-shaped pipeline (15).
2. The PRB treatment effect simulation apparatus of claim 1, wherein: the S-shaped pipeline (15) of the soil column simulation unit comprises an S-shaped pipe groove (18) and a matched sealing cover (16), and the sealing cover (16) is packaged at a notch of the S-shaped pipe groove (18) to form a closed space for containing PRB materials.
3. The PRB treatment effect simulation apparatus of claim 2, wherein: the outer edge of a notch of the S-shaped pipe groove (18) is provided with a protrusion (19), the bottom of the sealing cover (16) is provided with a buckle (17) matched with the protrusion (19), and the S-shaped pipe groove (18) and the sealing cover (16) are tightly attached through the protrusion (19) and the buckle (17).
4. The PRB treatment effect simulation apparatus of claim 1, wherein: the soil column simulation unit also comprises a bracket (21) with an adjustable inclination angle; the S-shaped pipeline (15) is arranged on the bracket (21).
5. The PRB treatment effect simulation apparatus of claim 1, where in: the aeration sample preparation unit comprises an aeration sample preparation container (1), a stirrer (2) and an aeration pipe (5); the stirrer (2) extends into the aeration sample preparation container (1); the aeration pipe (5) penetrates through the side wall of the aeration sample preparation container (1) from the outside and is arranged at the bottom of the aeration sample preparation container (1); the bottom of the aeration sample preparation container (1) is connected with the sedimentation unit through a pipeline.
6. The PRB treatment effect simulation device of claim 5, wherein: the part of the aeration pipe (5) positioned in the aeration sample preparation container (1) is a coil pipe, and a plurality of sieve pores are arranged on the coil pipe.
7. The PRB treatment effect simulation apparatus of claim 1, where in: the sedimentation unit comprises a sedimentation tank (9) and a sludge outlet pipe (10); the aeration sample preparation unit is connected with the sedimentation tank (9) through a pipeline, and the sedimentation tank (9) is connected with an inlet of the soil column simulation unit through a pipeline; the sludge outlet pipe (10) is arranged at the bottom of the sedimentation tank (9).
8. The PRB treatment effect simulation apparatus of claim 1, wherein: and a filter (6) is arranged on a connecting pipeline of the aeration sample preparation unit and the precipitation unit.
9. The PRB treatment effect simulation apparatus of claim 1, wherein: also comprises a sample storage container (13); the inlet of the sample storage container (13) is connected with the sedimentation unit through a pipeline, and the outlet of the sample storage container is connected with the inlet of the soil column simulation unit through a pipeline.
10. The PRB treatment effect simulation apparatus of claim 9, where: the system also comprises a data acquisition and automatic control unit; the data acquisition and automatic control unit comprises a data processing system (25) and a plurality of sensors (24); a plurality of sensors (24) are respectively arranged in the sample storage container (13) and the soil column simulation unit; the sensors (24) are each connected to the data processing system (25) via a data line (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220555984.XU CN217060195U (en) | 2022-03-15 | 2022-03-15 | PRB administers effect analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220555984.XU CN217060195U (en) | 2022-03-15 | 2022-03-15 | PRB administers effect analogue means |
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| CN217060195U true CN217060195U (en) | 2022-07-26 |
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| CN202220555984.XU Active CN217060195U (en) | 2022-03-15 | 2022-03-15 | PRB administers effect analogue means |
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