CN209117573U - A kind of laboratory treatment earth pillar leacheate and the device for measuring heavy metal in leacheate - Google Patents

Abstract

A kind of laboratory treatment earth pillar leacheate and the device for measuring heavy metal in leacheate, including spray head (23), earth pillar (22) and liquid waste collector (24), it is provided on the earth pillar (22) different height side wall and opens water valve I (19), opening water valve I (19) by pipeline sequential connection has filtering Anti-chock device (2), first level filtering device (3), two-stage filter (10), reception eluent device (14) and Atomic Absorption Spectrometer AAS (17)；The first level filtering device (3), two-stage filter (10) and reception eluent device (14) are arranged in thermostatic box (1), it filters Anti-chock device (2) and plane on side outside the enclosure is set, prevent the leacheate flowed out from earth pillar from containing bulky grain insoluble substance；Thermostatic box (1) side is provided with the door that can be opened.

Description

A kind of laboratory treatment earth pillar leacheate and the device for measuring heavy metal in leacheate

Technical field

The utility model belongs to heavy metal-polluted soil and repairs field, and in particular to a kind of laboratory quickly handles earth pillar elution The integrated apparatus of heavy metal in liquid, measurement leacheate.

Background technique

Since the industrial revolution, the mankind are increasingly severe to the excessive use of soil resource and destruction, industrial production discharge All kinds of waste water,wastes gas and industrial residue and the exploitations of metal mineral reserves, processing, the production processes such as utilize to bring plurality of heavy metal element Exogenous input, produce serious heavy metal pollution of soil problem.Nowadays, a series of reparation skills are formd both at home and abroad Art, such as elution method, electrodynamic repair method, chemical reduction method, phytoremediation, microorganism remediation.The place wherein eluted can Be dystopy be also possible to it is in situ, it is very strong to the usability of soil remediation, and for repair the total amount of pollutant it is exceeded Contaminated site, removal amount is big, meets the requirement of health risk assessment, becomes one of the main means of rehabilitating soil pollution.

Repairing condition is probed into for Soil leaching reparation previous experiments room and effect process is based primarily upon by hand to leacheate It is handled and is analyzed.On the whole, the data time that this manual method obtains is long, and process is cumbersome, and influence factor is more, it is difficult to Accurately, the process important attribute and feature of Soil leaching-leacheate index determining and analysis are rapidly disclosed.It is this artificial Prepare, the process of processing there are the shortcomings that have: (1) the eluent concentration of different time processing, have differences between property, cause The heavy metal data of detection deviate；(2) measure in leacheate there are when low concentration solution because these solution be easy with Air etc. is in contact, once there is the metal that variation of valence easily occurs, part will be caused rotten, and then influence the standard of data True property；(3) leacheate measurement, analysis are for the more demanding of operator, and the time expended is longer.

Existing laboratory mass disposal leachates, it is necessary first to cross film by hand, experimental ware usage amount is huge, cleaning Measure huge, time-consuming, and sampling amount is big, generates a large amount of waste liquids, the index of correlation of leacheate is secondly measured, when due to previous step processing Between and this step all operating quantity it is big, it is long to comprehend time interval in a collection of sample between two samples, and different time is caused to handle Eluent concentration, can have differences between property, the heavy metal data for resulting in detection deviate.There are low in leacheate When strength solution, because these solution are easy to be in contact with air etc., once there is the metal of easily generation variation of valence, it will Cause part rotten, and then influences the accuracy of data.And leacheate is measured, is analyzed for operator in the whole process It is more demanding, time-consuming.

Summary of the invention

The utility model provides a kind of integration that laboratory quickly handles earth pillar leacheate, measures heavy metal in leacheate Device.Compared under enclosed environment, collection processing, the measurement analysis integrated high matching system of leacheate are eluted after making elution The measurement index of correlation data of liquid are more quick, accurate.This experimental provision also has closing, quantitative sampling, at any time with survey simultaneously The advantages of, it is simple and quick, it avoids leacheate from excessively contacting with air, reduces operator and leacheate (containing noxious material) The probability directly contacted improves accuracy, safer.

In conjunction with attached drawing, it is described as follows:

A kind of laboratory treatment earth pillar leacheate and the device for measuring heavy metal in leacheate, including spray head 23, earth pillar 22 And liquid waste collector 24, it is provided on the 22 different height side wall of earth pillar and opens water valve I 19, to monitor each soil layer leaching Wash situation；Open water valve I 19 has filtering Anti-chock device 2, first level filtering device 3, secondary filtration to fill by pipeline sequential connection It sets 10, receive eluent device 14 and Atomic Absorption Spectrometer AAS17；The first level filtering device 3, two-stage filter 10 It is arranged in thermostatic box 1 with eluent device 14 is received, wherein first level filtering device 3 and two-stage filter 10 are respectively by solid Fixed board I 8 and fixed plate II 9 are fixed in thermostatic box 1；Reception eluent device 14, which is fixed on, is set to 1 bottom of thermostatic box Vibrated bed 15 on；It filters Anti-chock device 2 and plane on side outside the enclosure is set, prevent the leacheate flowed out from earth pillar from containing Bulky grain insoluble substance；1 side of thermostatic box is provided with the door that can be opened；

The first level filtering device 3 is filter paper-funnel, and water outlet is connect with peristaltic pump 5 and flowmeter 6；Pass through wriggling Pump 5 and flowmeter 6 control the flow velocity and discharge of leacheate in earth pillar, and lower end enters secondary filtration by shrinkable pipeline 18 Device 10；

The two-stage filter 10 is that hole is inorganic membrane filtration collector, the connection of 10 lower channel of two-stage filter Vacuum pump 12 opens water valve II20, and leacheate is diluted to specified multiple through pure water constant displacement pump full application of brake dilution device 13, after dilution Leacheate by receive eluent device 14 after evenly mixing enter Atomic Absorption Spectrometer AAS17.

The inorganic membrane filtration collector of the two-stage filter 10 is 0.38mm filter membrane.

1 two sides of thermostatic box are additionally provided with slide groove 21, and 7 both ends of rotating rod with pH probe 4 are placed in slide groove It on 21 and stretches out outside cabinet, holds 7 one end handle of rotating rod, slide groove 21 can be prolonged and all around push and pull and rotate rotating rod 7, it immerses pH probe 4 just in 10 leacheate of two-stage filter, obtains data from pH display 11, it, will using finishing After the extraction cleaning of rotating rod 7, it is placed back into original position.

The utility model has the advantages that the present invention overcomes it is traditional artificial prepare, processing process there are the shortcomings that, realize multiple eluents While handle, accelerate treatment effeciency, reduce the otherness because caused by the processing time is long between follow-up data.Centainly The metal that variation of valence easily occurs in measurement leacheate is avoided in degree, it is easily caused when especially solution is low concentration Part is rotten, ensure that the accuracy of data.The time for substantially reducing experiment, reducing manual operation, (such as concentration is excessive, needs Will to elution dilution agent) error.In addition, it is simple and quick, it avoids leacheate from excessively contacting with air, reduces operator The probability directly contacted with leacheate, improves experiment safety.

Detailed description of the invention

Fig. 1 is schematic structural view of the invention；

Fig. 2 is partial enlarged view.

Wherein: 1, thermostatic box；2, Anti-chock device is filtered；3, first level filtering device；4, pH pops one's head in；5, peristaltic pump；6, Flowmeter；7, rotating rod；8, fixed plate I；9, fixed plate II；10, two-stage filter；11, pH display；12, vacuum Pump；13, pure water constant displacement pump full application of brake dilution device；14, eluent device is received；15, vibrated bed；16, button；17, atom is inhaled Receive spectrometer AAS；18, shrinkable pipeline；19, water valve I；20, water valve II；21, slide groove；22, earth pillar；23, spray head；24, it gives up Collection.

Specific embodiment

Below by specific embodiment, present invention be described in more detail.

Spray head 23 starts after uniformly spraying leacheate in Fig. 1, and filled earth pillar 22 is filled certain eluent, works as earth pillar When interior eluent reaches doses, it is in the light of actual conditions separately turned on water valve I 19, different soil leacheate enters by pipeline Processing, analysis quickly processing, measurement leacheate integrated apparatus, each soil layer elution situation can be monitored, including drenching out In liquid content of beary metal variation, leacheate pH variation.

Firstly, leacheate, which enters, is arranged filtering Anti-chock device 2 in inlet, filtering Anti-chock device 2 can be prevented from soil The leacheate flowed out in column contains bulky grain insoluble substance；Secondly, leacheate enters the first level filtering device 3 of thermostatic box 1, First level filtering device 3 uses filter paper-funnel as first level filtering device, is tentatively filtered to leacheate, and prevents from entering two It is blocked when grade filter device 10, the outlet pipe of first level filtering device connect 5 and flowmeter 6 with peristaltic pump, because in earth pillar When eluting underdosage, leacheate is not easy to flow out, and the stream that can control leacheate in earth pillar is connect with peristaltic pump 5 and flowmeter 6 Speed and discharge, fixed plate I 8 is used to position of the fixed filter unit 3,10 in thermostatic box 1 in thermostatic box 1；Pass through one It is hole into inorganic membrane filtration collector-two-stage filter 10,10 is 0.38mm filter membrane after grade filter device, being used for can Atomic Absorption Spectrometer AAS 17 measures heavy metal and prepares, and prevents its blocking.The connection of 10 lower channel of two-stage filter is true Sky pump 12 need to be by vacuum pump 12 since leacheate can not be by self gravity by 0.38mm filter membrane；Then, water valve is opened II 20, leacheate enters connection pure water constant displacement pump full application of brake dilution device 13, and high concentration leacheate can be by automatic here Pure water batcher is by accurate dilutions to specified multiple；Finally, being received by the reception eluent device 14 for being fixed on vibrated bed 15, press Dynamic button 16, vibrated bed 15 guarantee that the leacheate after dilution uniformly mixes.Mixed leacheate, into can atomic absorption spectrum Instrument AAS 17 measures content of beary metal in leacheate.

1 two sides of thermostatic box are additionally provided with slide groove 21, and 7 both ends of rotating rod with pH probe 4 are placed in slide groove It on 21 and stretches out outside cabinet, holds 7 one end handle of rotating rod, slide groove 21 can be prolonged and all around push and pull and rotate rotating rod 7, when needing to measure leacheate pH, 10 lower end water valve II 20 of two-stage filter is closed, 3 lower end of first level filtering device can be received Draw road 18 is shunk upwards, separates first level filtering device 3 with two-stage filter 10, so that leacheate is still in secondary filtration In device 10.By the rotating rod 7 with pH probe 4,7 right end handle of rotating rod is pushed, is transferred according to 21 track of slide groove Rotating rod 7 obtains data from pH display 11 so that pH probe 4 just immerses in 10 leacheate of two-stage filter.Make After, 7 extractions are cleaned, original position is placed back into.

There is attemperator on the outside of thermostatic box 1 and earth pillar, guarantees that leacheate is not influenced by temperature change；Thermostatic box 1 is openable, and visual windows are arranged.Convenient for instrument operation situation, instrument clean and maintenance in observation cabinet.

Claims (3)

1. a kind of laboratory treatment earth pillar leacheate and the device for measuring heavy metal in leacheate, including spray head (23), earth pillar (22) and liquid waste collector (24), it is characterised in that: be provided on the earth pillar (22) different height side wall and open water valve I (19), situation is eluted to monitor each soil layer；Opening water valve I (19) has filtering Anti-chock device by pipeline sequential connection (2), first level filtering device (3), two-stage filter (10), reception eluent device (14) and Atomic Absorption Spectrometer AAS (17)；The first level filtering device (3), two-stage filter (10) and reception eluent device (14) are arranged in thermostatic box (1) in, wherein first level filtering device (3) and two-stage filter (10) are fixed by fixed plate I (8) and fixed plate II (9) respectively In thermostatic box (1)；Eluent device (14) are received to be fixed on the vibrated bed (15) for being set to thermostatic box (1) bottom； It filters Anti-chock device (2) and plane on side outside the enclosure is set, prevent the leacheate flowed out from earth pillar from containing bulky grain insoluble Property substance；Thermostatic box (1) side is provided with the door that can be opened；

The first level filtering device (3) is filter paper-funnel, and water outlet is connect with peristaltic pump (5) and flowmeter (6)；By compacted The flow velocity and discharge of leacheate in dynamic pump (5) and flowmeter (6) control earth pillar, lower end enters two by shrinkable pipeline (18) Grade filter device (10)；

The two-stage filter (10) is that hole is inorganic membrane filtration collector, the connection of two-stage filter (10) lower channel Vacuum pump (12) is opened water valve II (20), and leacheate is diluted to specified multiple through pure water constant displacement pump full application of brake dilution device (13), Leacheate after dilution enters Atomic Absorption Spectrometer AAS (17) after evenly mixing by receiving eluent device (14).

2. a kind of laboratory treatment earth pillar leacheate according to claim 1 and the device for measuring heavy metal in leacheate, It is characterized by: the inorganic membrane filtration collector of the two-stage filter (10) is 0.38mm filter membrane.

3. a kind of laboratory treatment earth pillar leacheate according to claim 1 and the device for measuring heavy metal in leacheate, It is characterized by: thermostatic box (1) two sides are additionally provided with slide groove (21), rotating rod (7) both ends with pH probe (4) It is placed on slide groove (21) and stretches out outside cabinet, hold rotating rod (7) one end handle, slide groove (21) can be prolonged and all around pushed away It draws and rotates rotating rod (7), immerse pH probe (4) just in two-stage filter (10) leacheate, from pH display (11) data are obtained in, using finishing, after rotating rod (7) extraction cleaning, are placed back into original position.