CN105203721A - Recyclable leaching device for leaching experiment - Google Patents
Recyclable leaching device for leaching experiment Download PDFInfo
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- CN105203721A CN105203721A CN201510746305.1A CN201510746305A CN105203721A CN 105203721 A CN105203721 A CN 105203721A CN 201510746305 A CN201510746305 A CN 201510746305A CN 105203721 A CN105203721 A CN 105203721A
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Abstract
The invention relates to a recyclable leaching device for a leaching experiment. The recyclable leaching device mainly comprises a sample loader, a water storage device, a pipeline, a partition board, a spray thrower, a water regulating valve, a water level sensor, a water compensating tank, a fixed bracket and the like. The recyclable leaching device is particularly applied to the leaching experiment of solid waste including coal gangue, coal ash, abandoned mines, tailings, gangue, industrial solid waste, municipal solid waste and the like. The recyclable leaching device is used for simulating leaching conditions of the solid waste in water and possible influences to the water body and the soil environment. The recyclable leaching device is simple, practical and convenient to operate. According to the recyclable leaching device, ideal leaching simulation test basic data can be provided to the selection of piling, filling and pouring processes of the solid waste and the influences of the solid waste to the environment.
Description
Art
The present invention relates to a kind of leaching device capable of circulation carrying out leaching test, solid can be carried out, especially the leaching test of the solid waste such as gangue, flyash, mine tailing, discarded mineral products, gangue, industrial solid castoff, municipal solid wastes, belongs to Solid Waste Treatment and Resources and utilizes field.
Background technology
Along with the sustainable and stable development of national economy, China's mining industry high speed development, the yield sustainable growth of coal, metal, nonmetallic mineral, respective row releases a large amount of gangues, mine tailing and discarded mineral products; A large amount of burnings of coal utilize, and also create much flyash.On the other hand, urbanization process is accelerated, and gives off increasing house refuse.All these, all make the discharge capacity of solid waste increasing.Many gangues, mine tailing, discarded mineral products are all directly stored up, or store up or filling after simple disposal.Not only take tract, affect ecoscape, and may cause serious harm to water body, underground water by after the medium such as rainwater or underground water leaching, urgent need will carry out effect appraise.
At present, although the leaching test unit of the mine tailings such as existing gangue, but be mostly carry out man-made injection operation, all there is certain uncertainty in the leaching water yield and water level, and mostly can only carry out single leaching, can not carry out repetitive cycling test, not only complex operation, and often because water filling regularity is strong, be difficult to make objective and accurate evaluation to the leaching of component in mine tailing and spoil and leaching situation, the extreme influence accuracy of test and the objectivity of result and repeatability.Obviously, be extremely necessary to develop leaching device capable of circulation, carry out the leaching test of solid waste.For this reason, the invention discloses a kind of leaching device capable of circulation carrying out the test of solid waste leaching, during based on current Radial Flow, fine particle is mostly deposited on bottom sample charging device, therefore can use for a long time and not easily block, when being better than leaching in traditional leaching device, adopt the scheme of bottom water outlet.And, because be provided with water supply tank above water receiver and be connected with level sensor, can according to SEA LEVEL VARIATION in good time by filling pipe to moisturizing in water receiver, thus avoid because the reasons such as evaporation cause water level decreasing, all the time ensure that leaching device middle water level and the water yield are in comparatively steady state (SS), ensure the leaching test can carrying out the long period.And the water inlet of sample charging device is undertaken by spray mode, overall evenly water inlet can be accomplished completely, leaching is tested more close to actual.
Summary of the invention
The invention discloses a kind of leaching device capable of circulation carrying out leaching test, solid can be carried out, especially gangue, flyash, mine tailing, discarded mineral products, gangue, industrial solid castoff, municipal solid wastes etc. are under aqueous medium condition during leaching, the leaching situation of soluble constituent in solid waste, and the harm that may cause water body, underground water, soil.Wherein, the leaching situation of soluble constituent and the harm to water body in solid waste, can get leaching liquor by Different periods in leaching process and carry out analysis detection and draw.
This leaching device is connected by drainpipe 3 with water receiver (2) by sample charging device (1), is wherein provided with dividing plate (4) and dividing plate (5) in sample charging device (1).The both sides sealing that dividing plate (4) is relative with sample charging device (1) connects, and leaves certain space with the bottom surface of sample charging device (1).Dividing plate (5) is connected with the bottom surface of sample charging device (1), and height is lower than the height of sample charging device (1).Filter assemblies (6) is provided with between dividing plate (4) and (5).Submersible pump (7) is placed among water receiver (2), and submersible pump (7) is directly connected to water injection pipe (8), and spray thrower (9) is also connected with water injection pipe (8) simultaneously; Water regulating valve (10) is housed between spray thrower (9) and water injection pipe (8).Be provided with water supply tank (12) in water receiver (2) top, what be wherein connected with water supply tank (12) has level sensor (13) and filling pipe (14).Meanwhile, sample tap (15) is provided with at the top of water receiver (2).Wherein, sample charging device (1), water receiver (2), water injection pipe (8), water supply tank (12) and filling pipe (14) etc. are fixed on support (11) by fixing chuck (16).
For ensureing the representativeness of leaching sample, sample size must be made to keep suitably.For this reason, the technical scheme that the present invention takes is, be provided with sample charging device (1) and water receiver (2) that lightweight transparent material makes in leaching device, its volume is 5 ~ 60L, and sample charging device splendid attire granularity can be less than the sample 5 ~ 45kg of 50mm.The profile of sample charging device and water receiver can be rectangular parallelepiped, square, right cylinder and other sample introductions and sample various shape easily.
In order to ensure sample introduction and sampling conveniently, the technical scheme that the present invention takes is, sample charging device (1) can dismounting flexibly with the top cover of water receiver (2).The two is lightweight transparent material and makes, and is provided with liquid level gauge, can shows SEA LEVEL VARIATION in time in sample charging device, so that moisturizing in time.The outer wall distance base plate 20 ~ 70mm place of sample charging device (1) near dividing plate (5) side is provided with the hole that a diameter is 10 ~ 60mm.
The external diameter of drainpipe (3) is 10 ~ 60mm, and the external diameter of water injection pipe (8) is 15 ~ 60mm, the external diameter 5 ~ 35mm of filling pipe (14), and pipe thickness is 2 ~ 10mm, and material is the applicable light materials doing tubing such as PVC.
In order to make the leaching liquor Radial Flow in leaching device, the technical scheme that the present invention takes is, the installation site of sample charging device (1) is a little more than the position of water receiver (2), and two containers remain on same center line.Dividing plate (4) and dividing plate (5) is provided with in sample charging device (1).The distance of dividing plate (4) and sample charging device (1) base plate is 10 ~ 60mm, and the fix a drainpipe outer wall distance of (3) side of distance sample charging device (1) is 20 ~ 120mm; Dividing plate (5) is connected with the base plate of sample charging device, and the fix a drainpipe outer wall distance of (3) side of distance sample charging device (1) is 10 ~ 50mm, and divider height is no more than the height of sample charging device outer wall, is 50 ~ 150mm.
Between dividing plate 4 and 5, be provided with filter assemblies 6, filtration and interception function can be played the fine particle in leaching thing.The filter core of filter assemblies can be filter cotton, filter yarn, nylon wire or particle filtering layer.
Basicly stable in order to ensure the leaching water level in sample charging device (1), the technical scheme that the present invention takes is, the top of sample charging device (1) is provided with spray thrower (9), spray thrower (9) is provided with the many groups of spouts be evenly arranged, nozzle diameter 0.1 ~ 5mm, the cross section of the length of spray thrower and width and sample charging device adapts.
In order to carry out leaching runoff investigation, the technical scheme that the present invention takes is provided with water regulating valve, and variable valve (10) for screwing valve, spherical valve, gate valve etc., can regulate the input of shower water more exactly.
In order to ensure the circulation of leaching water in leaching device, the technical scheme that the present invention takes is, is provided with submersible pump (7) in water receiver (2), is connected with water injection pipe (8), and its lift is 0.3 ~ 3m.In the top of water receiver (2), water supply tank (12) is housed, volume is 5 ~ 20L, and shape can be the various shapes such as rectangular parallelepiped, square, right cylinder.Wherein, water supply tank (12) is connected with filling pipe (14) with level sensor (13).At the top of water receiver (2), be provided with sample tap (15).
Whole leaching device is fixed on support (11), and support can be aluminum alloy material, with as far as possible light when proof strength.
Compared with existing leaching device, the present invention has following features:
(1) be provided with dividing plate in sample charging device, leaching water can be made to keep Radial Flow, thus overcome existing leaching device and can only go out water problem in bottom.
(2) be provided with filter assemblies between dividing plate, filtration interception can be carried out to fine particle, make it rest in sample charging device and carry out leaching, and be unlikely to enter in water receiver with current.
(3) above sample charging device, spray thrower and inlet regulating valve is provided with, both uniform and stable the adding of leaching water can have been ensured, the leaching of sample in different leaching water input situation can be simulated again, avoid and local dip uneven into water, affect the leaching process of sample.
(4) be provided with water supply tank and level sensor, when can ensure long-time leaching, supplement leaching water, avoid, because the reasons such as part evaporation cause water level decreasing, affecting the leaching process of sample.
Accompanying drawing explanation
Fig. 1 is a kind of principle schematic of carrying out the leaching device capable of circulation of leaching test of the present invention.
In figure, the title of each label respectively: 1-sample charging device; 2-water receiver; 3-drainpipe; 4-dividing plate 4; 5-dividing plate 5; 6-filter assemblies; 7-submersible pump; 8-water injection pipe; 9-spray thrower; 10-inlet regulating valve; 11-fixed support; 12-water supply tank; 13-level sensor; 14-filling pipe; 15-sample tap; 16-fixes chuck.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in more detail, but the practical application of patent of the present invention, be not limited only to illustrated embodiment.
Fig. 1 is a kind of principle schematic of carrying out the leaching device capable of circulation of leaching test of the present invention.This device is made up of sample charging device, water receiver, drainpipe, submersible pump, water injection pipe, spray thrower, inlet regulating valve, filter assemblies, water supply tank, level sensor, fixed support etc.Sample charging device (1) is connected by drainpipe (3) with water receiver (2).Dividing plate (4) and (5) are installed in sample charging device (1).Its median septum (4) connects with the relative both sides sealing of sample charging device (1), and leaves certain space with the bottom surface of sample charging device 1; Dividing plate (5) is connected with the base plate of sample charging device (1), and height is lower than the height of sample charging device (1).Filter assemblies (6) is housed between dividing plate (4) and (5).Submersible pump (7) is arranged among water receiver (2), and submersible pump (7) is connected with water injection pipe (8).Meanwhile, spray thrower (9) is connected with water injection pipe (8), and between spray thrower (9) and water injection pipe (8), inlet regulating valve (10) is housed.In the top of water receiver (2), water supply tank (12) is housed, wherein water supply tank (12) is connected with filling pipe (14) with level sensor (13).Meanwhile, sample tap (15) is provided with at the top of water receiver (2).Wherein, sample charging device (1), water receiver (2), water injection pipe (8), water supply tank (12) and filling pipe (14) etc. are fixed on support (11) by fixing chuck (16).
During concrete enforcement, sample charging device (1) and water receiver (2) are made up of lightweight transparent material, and volume is 5 ~ 60L.Inside be provided with liquid level gauge, water level height can be shown.Sample charging device (1) has a diameter to be the hole of 30mm at (3) side outer wall distance 40mm place, bottom surface that fixes a drainpipe.The external diameter of drainpipe (3) is 30mm, and the external diameter of water injection pipe (8) is 35m, and pipe thickness is 7mm, and material is PVC.The cross section of the cross sectional shape of spray thrower (9) and size and sample charging device (1) adapts.The distance of dividing plate (4) and sample charging device (1) base plate is 40mm, and the fix a drainpipe distance of (3) side outer wall of distance sample charging device (1) is 60mm.The fix a drainpipe distance of (3) side outer wall of dividing plate (5) distance sample charging device 1 is 30mm, and divider height is 90mm.The height loading the aspect ratio dividing plate 5 of sample in sample charging device (1) is lower slightly, and water injection rate to make the complete submergence of the sample in sample charging device 1, but is no more than sample surfaces 10mm and is advisable.Water receiver (2) is for splendid attire leaching liquor.Submersible pump (7) is loaded among water receiver (2), and lift is 1.5m, is connected with water injection pipe (8).The top of water receiver (2) is provided with water supply tank (12), is connected with level sensor (13) and filling pipe (14) simultaneously, to supplement the discharge reduction caused because of reasons such as evaporations in time.In leaching process of the test, can get from sample tap (15) and also analyze, to detect the leaching situation of soluble constituent in sample.
It should be pointed out that as above implementation process, for these those skilled in the art, when not departing from patented technology principle of the present invention, can also make some improvement, these improvement should be considered as protection scope of the present invention.
Claims (8)
1. carry out a leaching device capable of circulation for leaching test, can solid be carried out, especially the leaching test of the solid waste such as gangue, flyash, mine tailing, discarded mineral products, gangue, industrial solid castoff, municipal solid wastes.This device comprises sample charging device (1) and water receiver (2), is connected by drainpipe (3).Dividing plate (4) and (5) are installed in sample charging device (1), filter assemblies (6) is housed between dividing plate (4) and (5).Submersible pump (7) is arranged among water receiver (2), and submersible pump (7) is connected with water injection pipe (8).Spray thrower (9) is also connected with water injection pipe (8), between water regulating valve (10) is housed.In water receiver (2) top, water supply tank (12) is housed, what be connected with water supply tank (12) has level sensor (13) and filling pipe (14).Meanwhile, sample tap (15) is provided with at the top of water receiver (2).Sample charging device (1), water receiver (2), water injection pipe (8), water supply tank (12) and filling pipe (14) etc. are fixed on support (11) by fixing chuck (16).
2. leaching device capable of circulation according to claim 1, it is characterized in that, sample charging device (1), water receiver (2) and water supply tank () are made up of lightweight transparent material, and volume is 5 ~ 60L, inside be provided with liquid level gauge, SEA LEVEL VARIATION can be shown in time.
3. leaching device capable of circulation according to claim 1, is characterized in that, the profile of sample charging device (1) and water receiver (2) can be rectangular parallelepiped, square, right cylinder and other fill sample and sample various shape easily.In addition, in order to fill sample and sample conveniently, the top cover of sample charging device and sampler can dismounting flexibly.Sample charging device (1) has a diameter to be the hole of 10-60mm near dividing plate (5) side outer wall distance base plate 20 ~ 70mm place.A sample tap (15) is provided with at the top of water receiver.
4. leaching device capable of circulation according to claim 1, is characterized in that, is provided with dividing plate (4) and dividing plate (5) in sample charging device.Wherein, dividing plate (4) connects with the relative both sides sealing of sample charging device (1), is 10 ~ 60mm with the base plate distance of sample charging device (1), and the outer wall distance of distance fixes a drainpipe (3) side is 20 ~ 120mm.Dividing plate (5) is connected with the base plate of sample charging device, and the fix a drainpipe distance of (3) side outer wall of distance sample charging device (1) is 10 ~ 50mm.The height of dividing plate is no more than the height of sample charging device outer wall, is 60 ~ 150mm.
5. leaching device capable of circulation according to claim 1, is characterized in that, filter assemblies (6) is housed between dividing plate (4) and (5), can play filtration and interception function to fine particle.The filter core of filter assemblies (6) can be filter cotton, filter yarn, nylon wire or particle filtering layer.
6. leaching device capable of circulation according to claim 1, it is characterized in that, above sample charging device, be provided with spray thrower (9), be connected with water injection pipe (8), spray thrower is provided with the many groups of spouts be evenly arranged, and nozzle diameter is 0.1 ~ 5mm.The cross section of the length of spray thrower and width and sample charging device adapts.
7. leaching device capable of circulation according to claim 1, is characterized in that, the water spray of spray thrower is regulated by water regulating valve (10), and variable valve can for screwing valve, spherical valve, gate valve etc.
8. leaching device capable of circulation according to claim 1, is characterized in that, among water receiver (2), be provided with submersible pump (7), lift is 0.5 ~ 3m, is connected with water injection pipe.In water receiver (2) top, water supply tank (12), level sensor (13) and filling pipe (14) are housed, the water yield because of reason losses such as evaporations can be supplemented in good time, keep stable level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510746305.1A CN105203721A (en) | 2015-11-06 | 2015-11-06 | Recyclable leaching device for leaching experiment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510746305.1A CN105203721A (en) | 2015-11-06 | 2015-11-06 | Recyclable leaching device for leaching experiment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105571977A (en) * | 2016-01-22 | 2016-05-11 | 成都汉维斯科技有限公司 | Evaporator and implementation method thereof |
| CN108709954A (en) * | 2018-04-23 | 2018-10-26 | 山东科技大学 | The leaching system and application method of indoor simulation coal gangue coal ash and fill paste |
| CN111307410A (en) * | 2019-12-02 | 2020-06-19 | 哈尔滨工程大学 | Ship model towing tank wave absorption system |
| CN114062651A (en) * | 2021-11-03 | 2022-02-18 | 中能化江苏地质矿产设计研究院有限公司 | Device and method for testing gangue leaching toxicity under multi-field coupling effect |
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Application publication date: 20151230 |