CN203164085U - Cascade-type column leaching experimental apparatus - Google Patents
Cascade-type column leaching experimental apparatus Download PDFInfo
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- CN203164085U CN203164085U CN 201220644407 CN201220644407U CN203164085U CN 203164085 U CN203164085 U CN 203164085U CN 201220644407 CN201220644407 CN 201220644407 CN 201220644407 U CN201220644407 U CN 201220644407U CN 203164085 U CN203164085 U CN 203164085U
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Abstract
The utility model provides a cascade-type column leaching experiment apparatus which comprises an experiment table and a plurality of leaching columns, wherein the experiment table comprises a leaching agent vessel, a leach solution collecting vessel, a fixed plate and a multichannel peristaltic pump. The cascade-type column leaching experiment apparatus provided by the utility model integrates all the components required by the experiment into one experiment table, implements the automatic operation of the reactor through the control on the multichannel peristaltic pump, is movable and detachable, and saves the experiment space; the leaching columns can respectively perform the leaching experiment on the samples at the same time, thereby enhancing the utilization ratio of the apparatus; the leaching experiments of the leaching columns do not interfere with each other, thereby implementing control on every single leaching column; and each leaching column is provided with a sampling port which is provided with a valve, so that sampling detection can be regularly and quantitatively performed on the leach solution in each leaching column, and thus, the whole leaching process of the column leaching experiment can be carefully monitored stage by stage in details.
Description
Technical field
The utility model relates to green technology, especially relates to multiple post leaching experiment device.
Background technology
Immobilized waste (containing hazardous waste) has perviousness to glassware for drinking water, even it is solid state or through chemosetting, stabilization, or the residue of leaving over after burning all has perviousness to glassware for drinking water to a certain extent.Therefore, when rainwater, surface water or self contained humidity when the solid waste, its contained objectionable constituent will contaminated soil, surface water, air, even finally enters lithic drainage by soil permeability, causes phreatic pollution.Therefore, must the strict leaching toxicity of controlling immobilized waste.
Leaching toxicity is the important indicator that the hazardous waste toxicity characteristic is differentiated.Except adopting traditional static state to leach the evaluation method, can also carry out the post leaching experiment as a supplement, differentiate the leaching toxicity of hazardous waste more comprehensive and accurately.
And the post leaching experiment claims the diafiltration leaching experiment, soaks the indoor important experimental technique with dump leaching with being.They all carry out in organic glass or plastics diafiltration post.The task that post soaks is to determine the leaching rate of the consumption of optium concentration, leaching agent and the oxygenant of leaching agent, useful element, leaching liquid-solid ratio, every technic index, ore leach parameters such as back water quality recovery situation in the research leaching process, and the prospect that land used soaks method and dump leaching method exploitation mineral deposit is made preliminary assessment.
The post leaching experiment is as a kind of solid-phase contaminants dynamic analysing method of growing up in water-rock Study of Interaction, but has the advantage of dynamic similation pollutant release rule in actual environment.Simultaneously, at the leaching initial stage, the post leaching experiment can leach pollutant because reaching enough molecular balances in a large number, and this is similar to the leaching situation under the physical condition, thereby can assess the instantaneous leaching risk of refuse effectively.
Yet at present, it is for reference that the post leaching experiment of China there is no clear and definite method, can only use for reference the standard of states such as the U.S., Japan; It is relatively poor that the post that adopts leaches the device alternative, is difficult to realize the accurate control of flow, and experimental error is big; The timely sample analysis of inconvenience in the leaching process can't be monitored the details of leaching stage by stage; The leaching equipment utilization factor is low, and is perishable, can't realize simultaneously that the independent of a plurality of samples leaches.Therefore, develop rational post leaching experiment reaction unit, can greatly improve the validity of leaching appraisement system and the raising identification result of hazardous waste.
The utility model content
It is relatively poor that the purpose of this utility model is to solve the post leaching device alternative that has the employing of post leaching experiment now, is difficult to realize the accurate control of flow, and experimental error is big; The timely sample analysis of inconvenience in the leaching process can't be monitored the details of leaching stage by stage; The leaching equipment utilization factor is low, perishable, can't realize the shortcoming that independently leaches of a plurality of samples simultaneously, a kind of integrated level and automaticity height are provided, can realize various product independent leach and take a sample convenience, process stabilizing, the high multiple post leaching experiment device of equipment utilization simultaneously.
The technical scheme that its technical matters that solves the utility model adopts is: multiple post leaching experiment device, comprise experiment table and a plurality of leaching post, described experiment table comprises upper strata experiment porch and lower floor's experiment porch, described lower floor experiment porch is provided with digestion agent container and a plurality of and described leaching post leachate collection container one to one, and described upper strata experiment porch is provided with for the multi-channel peristaltic pump that described leaching post is fixed in the fixed head on the experiment porch of described upper strata and the digestion agent of described digestion agent container can be imported each described leaching post respectively.
Particularly, described fixed head is provided with a plurality of for the groove of placing described leaching post, and described groove is corresponding one by one with described leaching post.
Particularly, described leaching post comprises base, cylinder and the top cover of fixing with described cylinder activity, and described top cover is provided with the drain pipe that is connected with described leachate collection container.
Further, described top cover rotation is fixed on the described cylinder.
Further, the feed tube that the described cylinder outside is provided with sample tap and is connected with described multi-channel peristaltic pump is provided with valve in described sample tap.
Further, described cylinder inboard is provided with the chassis that is positioned at described feed tube top and is positioned at that top, described chassis is height-adjustable takes over a business.
Further, be evenly equipped with on the described chassis and be convenient to the aperture that liquid passes through, described chassis is provided with first filtering membrane.
Further, described being evenly equipped with on taking over a business is convenient to the aperture that liquid passes through, and describedly takes over a business to be provided with second filtering membrane.
Particularly, described chassis is positioned at the upper end of described feed tube.
Particularly, described sample tap is positioned at described upper end of taking over a business.
The beneficial effects of the utility model are:
1), the utility model provides a kind of multiple post leaching experiment device, all are tested needed parts is integrated on the experiment table, by the automatic operating to the control realization response device of multi-channel peristaltic pump, can control the flow of digestion agent on the one hand accurately, human resources have been saved in the control of robotization on the other hand, and this experiment table can move by universal wheel, each building block on the experiment table is detachable design, make things convenient for use and the carrying of experiment table, be divided into bilevel structural design simultaneously, take full advantage of the space, thereby save lab space;
2), multiple post leaching experiment device provided by the utility model is provided with a plurality of leaching posts, and the parallel connection of a plurality of leaching post is positioned on the experiment table, can carry out leaching experiment respectively to a plurality of samples simultaneously, improved the utilization factor of device, and, each leaches, and leaching experiment does not disturb mutually between the post, can control inlet by multi-channel peristaltic pump according to the experiment needs, realizes the control to single leaching post;
3), the leaching post that provides of multiple post leaching experiment device provided by the utility model is provided with sample tap, and be provided with valve at sample tap, can be at regular time and quantity to leaching detections of taking a sample of leachate in the post, so can to the leaching process of whole post leaching experiment stage by stage carry out detailed careful monitoring.
Description of drawings
Fig. 1 is the structural representation sketch of the multiple post leaching experiment device that provides of the utility model embodiment;
Fig. 2 is the vertical view of the upper strata experiment table that provides of the utility model embodiment;
Fig. 3 is the structural representation sketch of the leaching post that provides of the utility model embodiment;
Fig. 4 is the process flow diagram of the post leaching experiment that provides of the utility model embodiment;
Among the figure: 10-multiple post leaching experiment device 1-experiment table
The experiment porch 111-of 11-lower floor digestion agent container 112-leachate collection container
12-upper strata experiment porch 121-fixed head 122-multi-channel peristaltic pump
The 13-universal wheel
2-leaches post 21-base 22-cylinder
221-sample tap 2211-valve 222-feed tube
223-chassis 224-takes over a business
23-top cover 231-drain pipe
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to Fig. 1, be multiple post leaching experiment device 10 provided by the utility model, be used for the post leaching experiment, and the post leaching experiment is used for the leaching characteristic of research hazardous waste pollutant component (heavy metal, prussiate, organism etc.).And the post leaching experiment claims the diafiltration leaching experiment, the flow process of its experiment as shown in Figure 4, the sample that at first will need post to soak carries out pre-service, and pretreated fundamental purpose is that the water percentage of regulating sample is the stable value of needs, controls the liquid-solid ratio (liquid volume and fixed mass than) of sample simultaneously; When the water percentage of sample and liquid-solid ratio after a stationary value, digestion agent is configured, the pH value is the key factor that influences the leaching behavior in the leaching system, therefore will be with digestion agent control in the pH value scope that sample needs; Carry out post lixiviate experiment then, adopt multiple post leaching experiment device provided by the utility model, digestion agent is equipped with in the leaching post 2 of sample by multi-channel peristaltic pump 122 infiltrations, by multi-channel peristaltic pump 122 control infiltration rates, thereby the leaching velocity in the control leaching process, leachate collection container 122 by this device will leach the leachate that leaches in the post 2 and collect and analyze again, finish whole post leaching experiment.
Multiple post leaching experiment device 10 provided by the utility model comprises experiment table and more than 1 leaching post 2 shown in Fig. 1-2.Particularly, in the utility model embodiment, be placed with eight leaching posts 2 on the experiment table 1 altogether.Certainly, the quantity that leaches post 2 can increase according to the needs of post leaching experiment or reduce, and be not limited in eight leaching posts 2, leaches post quantity and can be 2,5,9 etc.And the experiment table 1 among the utility model embodiment comprises upper strata experiment porch 12 and lower floor's experiment porch 11.The framework of experiment table 1 is to be welded by angle bar, and the big I of experiment table platform decides according to the quantity of the leaching post 2 of concrete needs.The upper strata experiment porch 11 of described experiment table and lower floor's experiment porch 12 also are equipped with anticorrosion leather packing (not shown) respectively, the universal wheel 13 that described experiment table 1 below also is provided with, multiple post leaching experiment device provided by the utility model can move by universal wheel 13, each building block on the experiment table 11 is detachable design, makes things convenient for 11 of experiment table to use and carrying.
Particularly, see also Fig. 1, described lower floor experiment porch 11 is provided with digestion agent container 111 and a plurality of and described leaching post 2 leachate collection container 112 one to one, and described upper strata experiment porch 12 is provided with for the multi-channel peristaltic pump 112 that described leaching post 2 is fixed in the fixed head 121 on the described upper strata experiment porch 12 and the digestion agent of described digestion agent container 111 can be imported each described leaching post 2 respectively.In post leaching experiment process, sample is put into leaching post 2 and deployed digestion agent is put into the digestion agent container, then multi-channel peristaltic pump 112 is opened, multi-channel peristaltic pump 112 imports the digestion agent in the digestion agent container 111 respectively in each leaching post 2 that is placed with sample, carries out lixiviate.The leachate that lixiviate goes out enters in the leachate collection container 112 of lower floor's experiment porch 11 by leaching post 2 outflows.At last the leachate in the leachate collection container 112 is analyzed, thereby finished whole post leaching experiment.The utility model is integrated in needed parts in the post leaching experiment on the experiment table 1, realize the control to the experiment leaching velocity, the automatic operating process that realization is leached by the control to multi-channel peristaltic pump 122 infiltration rates, thereby the human resources of experiment have been saved, the pump head of multi-channel peristaltic pump 122 provided by the utility model adopts erosion-resisting material to make, can be used for post for a long time and leach use, be divided into bilevel structural design simultaneously, take full advantage of the space, thereby save lab space.The more important thing is, multiple post leaching experiment device 10 provided by the utility model is provided with a plurality of leaching posts 2, and a plurality of leaching post 2 parallel connections are positioned on the experiment table 1, can carry out leaching experiment respectively to a plurality of samples simultaneously, improved and installed 10 utilization factor, and each leaches, and leaching experiment does not disturb mutually between post 2, can realize the control to single leaching post 2 according to the experiment needs by multi-channel peristaltic pump 122 control inlets.
Particularly, be fixed on the fixed head 121 of upper strata experiment porch 12, which is provided with a plurality of groove (not shown)s for the described leaching post 2 of placement, described groove is corresponding one by one with described leaching post 2.Arranging of groove makes things convenient for each leaching post 2 to be placed on stably on the upper strata experiment porch 12.
Further, see also Fig. 3, be the structural representation sketch of leaching post provided by the utility model.Described leaching post comprises base 21, cylinder 22 and the top covers of fixing with described cylinder 22 activities 23, and described top cover 23 is provided with the drain pipe 231 that is connected with described leachate collection container 112.All adopt organic glass or similar resistant material to make at leaching post 2 provided by the utility model.This installs leachate that 2 lixiviates of leaching post on the 10 upper strata experiment porchs 12 go out and enters in the leachate collection container 112 on lower floor's experiment porch 11 by drain pipe 231, finishes leaching process.And described top cover 23 rotations are fixed on the described cylinder 22.This leaches post 2 can be from top cover 23 Unscrews, are convenient to the cleaning of leaching post 2 and recycle.
Further, the feed tube 222 that described cylinder 22 outsides are provided with sample tap 221 and are connected with described multi-channel peristaltic pump 122 is provided with valve 2211 in described sample tap 221.By feed tube 222 digestion agent is imported in the leaching post 2 on the leaching post 2 provided by the utility model, and be provided with sample tap 221 at leaching post 2, and be provided with valve 2211 at sample tap 221, can be at regular time and quantity to leaching detections of taking a sample of leachate in the post 2, so can to the leaching process of whole post leaching experiment stage by stage carry out detailed careful monitoring.
Described cylinder 22 inboards are provided with the chassis 223 that is positioned at described feed tube 222 tops and are positioned at that 223 tops, described chassis are height-adjustable takes over a business 224.The inside of leaching post 2 provided by the utility model, chassis 223 is fixed on the cylinder 22, and refuse to be leached be positioned over shown on the chassis 223, can regulate the height that is positioned at cylinder 22 and take over a business 224,224 height decides by the amount of refuse to be leached and take over a business.And the height on chassis 223 should be higher than the height of feed tube 222.Because guarantee from the digestion agent that feed tube 222 flows into it is that bottom from sample begins intactly to leach.Chassis 223 in leaching post 2 with take over a business 224 and be evenly distributed with and be convenient to the aperture that liquid passes through.And aperture passing through of leaching liquor for convenience, its aperture is 1mm.And 223 are provided with first filtering membrane on the chassis, are provided with the second filtering membrane (not shown) taking over a business 224.And chassis 223 and first filtering membrane and take over a business to be placed with refuse to be leached between 224 and second filtering membrane, thereby make chassis 223 and take over a business 224 between form the dynamic unit that leaches.The main effect of filtering membrane is that hold back in the leachate may be owing to leach the sample solid phase particles that has, and by filtration, makes that the concentration of pollutant is more accurate in the leachate.Described sample tap 221 is positioned at described 224 the upper end of taking over a business, and is to leach after entering to leach the unit fully to guarantee the leaching liquors that take out in the sample tap 221, guarantees the accuracy of sampling.
Below only be preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. multiple post leaching experiment device, comprise experiment table and a plurality of leaching post, described experiment table comprises upper strata experiment porch and lower floor's experiment porch, it is characterized in that, described lower floor experiment porch is provided with digestion agent container and a plurality of and described leaching post leachate collection container one to one, and described upper strata experiment porch is provided with for the multi-channel peristaltic pump that described leaching post is fixed in the fixed head on the experiment porch of described upper strata and the digestion agent of described digestion agent container can be imported each described leaching post respectively.
2. multiple post leaching experiment device as claimed in claim 1 is characterized in that, described fixed head is provided with a plurality of for the groove of placing described leaching post, and described groove is corresponding one by one with described leaching post.
3. multiple post leaching experiment device as claimed in claim 1 is characterized in that, described leaching post comprises base, cylinder and the top cover of fixing with described cylinder activity, and described top cover is provided with the drain pipe that is connected with described leachate collection container.
4. multiple post leaching experiment device as claimed in claim 3 is characterized in that, described top cover rotation is fixed on the described cylinder.
5. multiple post leaching experiment device as claimed in claim 3 is characterized in that, the feed tube that the described cylinder outside is provided with sample tap and is connected with described multi-channel peristaltic pump is provided with valve in described sample tap.
6. multiple post leaching experiment device as claimed in claim 3 is characterized in that, described cylinder inboard is provided with the chassis and is positioned at that top, described chassis is height-adjustable takes over a business.
7. multiple post leaching experiment device as claimed in claim 6 is characterized in that, is evenly equipped with on the described chassis and is convenient to the aperture that liquid passes through, and described chassis is provided with first filtering membrane.
8. multiple post leaching experiment device as claimed in claim 6 is characterized in that, described being evenly equipped with on taking over a business is convenient to the aperture that liquid passes through, and describedly takes over a business to be provided with second filtering membrane.
9. as claim 6 or 7 described multiple post leaching experiment devices, it is characterized in that described chassis is positioned at the upper end of described feed tube.
10. multiple post leaching experiment device as claimed in claim 5 is characterized in that, described sample tap is positioned at described upper end of taking over a business.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644407 CN203164085U (en) | 2012-11-29 | 2012-11-29 | Cascade-type column leaching experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644407 CN203164085U (en) | 2012-11-29 | 2012-11-29 | Cascade-type column leaching experimental apparatus |
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| CN203164085U true CN203164085U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220644407 Expired - Lifetime CN203164085U (en) | 2012-11-29 | 2012-11-29 | Cascade-type column leaching experimental apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409620A (en) * | 2013-09-02 | 2013-11-27 | 南华大学 | Method for measuring leaching parameters of dump leaching mineral pile at different depths |
| CN105277470A (en) * | 2015-11-17 | 2016-01-27 | 赵海超 | Experimental device used for simulating water transporting process in soil |
| CN106755991A (en) * | 2016-11-24 | 2017-05-31 | 贵州大学 | A kind of tetrad leaching tanks |
| CN109164246A (en) * | 2018-11-13 | 2019-01-08 | 四川西冶新材料股份有限公司 | A kind of multicolumn bath unit for soil pollutant extraction |
| CN113238000A (en) * | 2021-04-25 | 2021-08-10 | 中国电建集团西北勘测设计研究院有限公司 | Nondestructive construction waste leaching toxicity testing device and using method |
-
2012
- 2012-11-29 CN CN 201220644407 patent/CN203164085U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409620A (en) * | 2013-09-02 | 2013-11-27 | 南华大学 | Method for measuring leaching parameters of dump leaching mineral pile at different depths |
| CN105277470A (en) * | 2015-11-17 | 2016-01-27 | 赵海超 | Experimental device used for simulating water transporting process in soil |
| CN105277470B (en) * | 2015-11-17 | 2018-01-30 | 赵海超 | For simulating the experimental provision of soil moisture migration process |
| CN106755991A (en) * | 2016-11-24 | 2017-05-31 | 贵州大学 | A kind of tetrad leaching tanks |
| CN109164246A (en) * | 2018-11-13 | 2019-01-08 | 四川西冶新材料股份有限公司 | A kind of multicolumn bath unit for soil pollutant extraction |
| CN109164246B (en) * | 2018-11-13 | 2023-11-03 | 四川西冶新材料股份有限公司 | A multilayer post leaching device for soil pollutant leaching |
| CN113238000A (en) * | 2021-04-25 | 2021-08-10 | 中国电建集团西北勘测设计研究院有限公司 | Nondestructive construction waste leaching toxicity testing device and using method |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |