CN204735534U - NULL's supplementary drip washing device of supersound - Google Patents
NULL's supplementary drip washing device of supersound Download PDFInfo
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- CN204735534U CN204735534U CN201520373933.5U CN201520373933U CN204735534U CN 204735534 U CN204735534 U CN 204735534U CN 201520373933 U CN201520373933 U CN 201520373933U CN 204735534 U CN204735534 U CN 204735534U
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Abstract
The utility model discloses a NULL's supplementary drip washing device of supersound, sour storage tank, alkali storage tank, leachate storage tank restore a jar intercommunication through first peristaltic pump, second peristaltic pump, third peristaltic pump with drip washing respectively, supersound emitter arranges drip washing in and restores a jar inside, and supersound emitter controls at a drip washing restoration jar outside supersound transmit controller by setting up, the pH sensor is arranged drip washing in and is restoreed a jar inside, and the pH display intercommunication of jar outside is restoreed with the setting to the pH sensor in drip washing, drip washing restoration jar is inside to be equipped with the stirring rake, and the rotational speed is controlled by the mixer to the stirring rake, and the rotation of stirring rake does not influence the work of supersound emitter and pH sensor, tank bottoms portion is repaired in drip washing and the outer wall is equipped with the thermostatted water bath cabinet, and the water bath with thermostatic control incasement is equipped with temperature sensor, and temperature sensor is by setting up in the outside temperature controller control of thermostatted water bath cabinet, drip washing is restoreed tank bottoms portion and is passed through slush pump and solid -liquid separation equipment intercommunication.
Description
Technical field
The utility model belongs to environmental protection technical field, particularly a kind of ultrasonic wave added elution device of restoration of soil polluted by heavy metal.
Background technology
Soil is the basic necessities of life basis that the mankind depend on for existence.Along with society and industrial development, soil environment just suffers severe contamination, comprises heavy metal pollution, organic contamination and other pollutions.2014; Environmental Protection Department combines issue " national Soil Pollution Investigation publication " with Ministry of Land and Resources shows China's soil environment situation and totally allows of no optimist; some areas soil pollution is heavier, and the most serious is heavy metal pollution, and organic contamination is taken second place.Disguise, cumulative bad, region, chronicity is there is, cannot degrade, easily cause the characteristics such as underground water pollution, serious threat health and ecological environment security in heavy metal in soil; Its repairing and treating causes great attention at home and abroad, becomes the hot subject in Research of Environmental Sciences field simultaneously.
Current remediation of heavy metal-contaminated soil mainly contains curing/stabilizing, chemical leaching, phytoremediation, electro reclamation etc.; Wherein, namely soil chemistry drip washing recovery technique utilizes leacheate to be transferred in liquid phase by the heavy metal in soil, and the soil containing leacheate gives back original position recycling after clear water washing, and the waste liquid being rich in heavy metal is then further processed.Elution method has can remove pollutants a large amount of in soil, the restriction diffusion of noxious pollutant, investment less, operating personnel relative to energy consumption without the need to advantages such as direct contact stain things.This technology is at home and abroad widely applied in contaminated site recovery project.
Heavy-metal contaminated soil reparation is a systematic engineering of business, and for improving the drip washing repairing effect of heavy-metal contaminated soil further, employing combination technique (as complex technique, ancillary technique etc.) is development trend and the study hotspot of soil restoring technology.There are some researches show, the acoustic cavitation effect that ultrasonic wave produces soil can spoiled soil structure, release heavy metal components wherein, is conducive to improving heavy metal drip washing removal effect; But will the rising of soil system temperature be caused simultaneously, be unfavorable for the enforcement of elution technique.
Utility model content
Technical problem to be solved in the utility model is to provide the ultrasonic wave added elution device of the restoration of soil polluted by heavy metal that a kind for the treatment of effect is good, the drip washing time is short, stability is high, rehabilitation cost is relatively low.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of ultrasonic wave added elution device of restoration of soil polluted by heavy metal, described device comprises: tank, mixer, paddle, ultrasound emission controller, ultrasonic transmitter, temperature sensor, constant water bath box, temperature controller, pH sensor, pH display, acid storage tank, the first peristaltic pump are repaired in drip washing, alkali storage tank, the second peristaltic pump, leacheate storage tank, the 3rd peristaltic pump, slush pump and equipment for separating liquid from solid;
Wherein, acid storage tank, alkali storage tank, leacheate storage tank are repaired tank with drip washing be communicated with respectively by the first peristaltic pump, the second peristaltic pump, the 3rd peristaltic pumps;
Ultrasonic transmitter is placed in drip washing and repairs tank inside, and ultrasonic transmitter is controlled by the ultrasound emission controller being arranged on drip washing reparation tank outside;
PH sensor is placed in drip washing, and to repair tank inner, and pH sensor is communicated with the pH display being arranged on drip washing and repairing tank outside;
Drip washing is repaired tank inside and is provided with paddle, and paddle controls rotating speed by mixer, and the rotation of paddle does not affect the work of ultrasonic transmitter and pH sensor;
Pot bottom is repaired in drip washing and outer wall is provided with constant water bath box, and be provided with temperature sensor in constant water bath box, temperature sensor is controlled by the temperature controller being arranged on constant water bath box outside;
Drip washing is repaired pot bottom and is communicated with equipment for separating liquid from solid by slush pump.
Utilize the method for said apparatus restoration of soil polluted by heavy metal, it comprises the steps:
A heavy-metal contaminated soil is placed in drip washing and repairs tank by (), respectively the acid solution in sour storage tank or alkali storage tank or alkali lye being added drip washing by the first peristaltic pump and the second peristaltic pump repairs in tank, open mixer, keep paddle Keep agitation, make soil pH homogeneous constant in tank;
B () open temp controller, keeps the temperature constant in constant water bath box;
C leacheate in leacheate storage tank is added drip washing by the 3rd peristaltic pump and repairs in tank by (), open ultrasound emission controller, paddle Keep agitation, makes the soil in drip washing reparation tank and leacheate fully mix, ensures that heavy metal and leacheate fully react;
D () drip washing, after 30 minutes ~ 120 minutes, closes mission controller, stop stirring, open slush pump, soil drip washing repaired in tank is transferred to equipment for separating liquid from solid.
Described heavy metal pollution is lead, cadmium, zinc, copper or nickel contamination.
In step (a), in described sour storage tank, acid solution aqueous solution of nitric acid is housed, it is the NaOH aqueous solution or the KOH aqueous solution that alkali lye is housed in alkali storage tank.
In step (a), make soil pH in tank even and be stabilized between pH2 ~ 5.
In step (b), keep arbitrary temp in temperature constant to 10 ~ 30 in constant water bath box DEG C.
In step (c), described leacheate is 0.1 ~ 1mol/L disodium ethylene diamine tetra-acetic acid aqueous solution, 0.1 ~ 1mol/L sodium citrate aqueous solution, 0.1 ~ 1mol/L acetic acid aqueous solution or 0.1 ~ 1mol/L EDDS three sodium water solution.
In step (c), repairing Heavy Metals in Contaminated Soils elemental mole ratios in tank according to solute in leacheate and drip washing is the addition of 1.1 ~ 1.2:1 Non-leaching liquid.
In step (c), the frequency of ultrasound emission is 20 ~ 40kHz, and power is 200 ~ 1000 watts.
In step (c), interval ultrasound mode is adopted within 1 minute, to circulate with time-out for ultrasonic 2 minutes.
In step (d), described equipment for separating liquid from solid, by soil and leacheate centrifugation, can reach the object removing heavy metal in soil pollution components.
Beneficial effect: compared with prior art, the utility model has following advantage:
(1) the utility model provides a kind of ultrasonic wave added elution device and method of restoration of soil polluted by heavy metal, and wherein apparatus structure is succinct, process flow reasonable, can realize full process automatization and control, have bright and clear industrial applications prospect.
(2) the utility model has the feature of drip washing time short (can complete the drip washing of one batch of contaminated soil for 30 minutes), removal efficiency high (clearance of cadmium up to 90%, the clearance of zinc up to 50%), while the artificial input of minimizing, greatly increase the repairing effect of heavy-metal contaminated soil.
(3) the utility model comprises lead, cadmium, zinc, copper etc. for Heavy Metals in Contaminated Soils component, has and is suitable for feature wide, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the utility model apparatus structure schematic diagram.
Number in the figure: tank, 2 mixers, 3 paddles, 4 ultrasound emission controllers, 5 ultrasonic transmitters, 6 temperature sensors, 7 constant water bath box, 8 temperature controllers, 9pH sensor, 10pH display, 11 acid storage tanks, 12 first peristaltic pumps, 13 alkali storage tanks, 14 second peristaltic pumps, 15 leacheate storage tanks, 16 the 3rd peristaltic pumps, 17 slush pumps, 18 equipment for separating liquid from solid are repaired in 1 drip washing.
Detailed description of the invention
The utility model provides a kind of ultrasonic wave added elution device and method of restoration of soil polluted by heavy metal, is described further the utility model patent below in conjunction with the drawings and specific embodiments.
Embodiment 1:
Fig. 1 is the schematic diagram of the ultrasonic wave added elution device of a kind of restoration of soil polluted by heavy metal of the present utility model, described device comprises: tank 1, mixer 2, paddle 3, ultrasound emission controller 4, ultrasonic transmitter 5, temperature sensor 6, constant water bath box 7, temperature controller 8, pH sensor 9, pH display 10, acid storage tank 11, first peristaltic pump 12 are repaired in drip washing, alkali storage tank 13, second peristaltic pump 14, leacheate storage tank 15, the 3rd peristaltic pump 16, slush pump 17 and equipment for separating liquid from solid 18;
Wherein, acid storage tank 11, alkali storage tank 13, leacheate storage tank 15 are repaired tank 1 with drip washing be communicated with respectively by the first peristaltic pump 12, second peristaltic pump 14, the 3rd peristaltic pumps 16;
Ultrasonic transmitter 5 is placed in drip washing and repairs tank 1 inside, and ultrasonic transmitter 5 is controlled by the ultrasound emission controller 4 being arranged on drip washing reparation tank 1 outside;
PH sensor 9 is placed in drip washing, and to repair tank 1 inner, and pH sensor 9 is communicated with the pH display 10 being arranged on drip washing and repairing tank 1 outside;
Drip washing is repaired tank 1 inside and is provided with paddle 3, and paddle 3 controls rotating speed by mixer 2, and the rotation of paddle 3 does not affect the work of ultrasonic transmitter 5 and pH sensor 9;
Drip washing is repaired bottom tank 1 and outer wall is provided with constant water bath box 7, and be provided with temperature sensor 6 in constant water bath box 7, temperature sensor 6 is controlled by the temperature controller 8 being arranged on constant water bath box 7 outside;
Drip washing is repaired bottom tank 1 and is communicated with equipment for separating liquid from solid 18 by slush pump 17.
Embodiment 2:
Utilize the method for said apparatus restoration of soil polluted by heavy metal, it comprises the steps:
A heavy-metal contaminated soil is placed in drip washing and repairs tank 1 by (), respectively the acid solution in sour storage tank 11 or alkali storage tank 13 or alkali lye being added drip washing by the first peristaltic pump 12 and the second peristaltic pump (14) repairs in tank 1, open mixer 2, keep paddle 3 Keep agitation, make soil pH homogeneous constant in tank;
B () open temp controller 8, keeps the temperature constant in constant water bath box 7;
C leacheate in leacheate storage tank 15 is added drip washing by the 3rd peristaltic pump 16 and repairs in tank 1 by (), open ultrasound emission controller 4, paddle 2 Keep agitation, makes the soil in drip washing reparation tank 1 and leacheate fully mix, ensures that heavy metal and leacheate fully react;
D () drip washing is after 30 minutes ~ 120 minutes, close mission controller 4, stop stirring, open slush pump 17, soil drip washing repaired in tank 1 is transferred to equipment for separating liquid from solid (18), by soil and leacheate centrifugation, reach the object removing heavy metal in soil pollution components.
Described heavy metal pollution is lead, cadmium, zinc, copper or nickel contamination.
In step (a), in described sour storage tank 11, acid solution aqueous solution of nitric acid is housed, it is the NaOH aqueous solution or the KOH aqueous solution that alkali lye is housed in alkali storage tank 13.
In step (a), make soil pH in tank even and be stabilized in pH 2 ~ 5 scope.
In step (b), keep arbitrary temp in temperature constant to 10 ~ 30 in constant water bath box 7 DEG C.
In step (c), described leacheate is 0.1 ~ 1mol/L disodium ethylene diamine tetra-acetic acid aqueous solution, 0.1 ~ 1mol/L sodium citrate aqueous solution, 0.1 ~ 1mol/L acetic acid aqueous solution or 0.1 ~ 1mol/L EDDS three sodium water solution.
In step (c), repairing Heavy Metals in Contaminated Soils elemental mole ratios in tank 1 according to solute in leacheate and drip washing is the addition of 1.1 ~ 1.2:1 Non-leaching liquid.
In step (c), the frequency of ultrasound emission is 20 ~ 40kHz, and power is 200 ~ 1000 watts.
In step (c), interval ultrasound mode is adopted within 1 minute, to circulate with time-out for ultrasonic 2 minutes.
The above embodiment is only that the protection domain of the utility model patent is not limited thereto in order to absolutely prove the preferred embodiment that the utility model patent is lifted.What the professional and technical personnel of the art did on the utility model patent basis equivalently substitutes or conversion, all within the protection domain of the utility model patent.The protection domain of the utility model patent is as the criterion with claims.
Claims (1)
1. the ultrasonic wave added elution device of a restoration of soil polluted by heavy metal, it is characterized in that, described device comprises: tank (1) is repaired in drip washing, mixer (2), paddle (3), ultrasound emission controller (4), ultrasonic transmitter (5), temperature sensor (6), constant water bath box (7), temperature controller (8), pH sensor (9), pH display (10), acid storage tank (11), first peristaltic pump (12), alkali storage tank (13), second peristaltic pump (14), leacheate storage tank (15), 3rd peristaltic pump (16), slush pump (17) and equipment for separating liquid from solid (18),
Wherein, acid storage tank (11), alkali storage tank (13), leacheate storage tank (15) are repaired tank (1) with drip washing be communicated with respectively by the first peristaltic pump (12), the second peristaltic pump (14), the 3rd peristaltic pumps (16);
Ultrasonic transmitter (5) is placed in drip washing and repairs tank (1) inside, and ultrasonic transmitter (5) repairs outside ultrasound emission controller (4) control of tank (1) by being arranged on drip washing;
PH sensor (9) is placed in drip washing, and to repair tank (1) inner, and pH sensor (9) is communicated with the pH display (10) being arranged on drip washing and repairing tank (1) outside;
Drip washing is repaired tank (1) inside and is provided with paddle (3), paddle (3) controls rotating speed by mixer (2), and the rotation of paddle (3) does not affect the work of ultrasonic transmitter (5) and pH sensor (9);
Tank (1) bottom is repaired in drip washing and outer wall is provided with constant water bath box (7), be provided with temperature sensor (6) in constant water bath box (7), temperature sensor (6) controls by being arranged on the outside temperature controller (8) of constant water bath box (7);
Drip washing is repaired tank (1) bottom and is communicated with equipment for separating liquid from solid (18) by slush pump (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520373933.5U CN204735534U (en) | 2015-06-02 | 2015-06-02 | NULL's supplementary drip washing device of supersound |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520373933.5U CN204735534U (en) | 2015-06-02 | 2015-06-02 | NULL's supplementary drip washing device of supersound |
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| Publication Number | Publication Date |
|---|---|
| CN204735534U true CN204735534U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520373933.5U Active CN204735534U (en) | 2015-06-02 | 2015-06-02 | NULL's supplementary drip washing device of supersound |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858227A (en) * | 2015-06-02 | 2015-08-26 | 江苏省环境科学研究院 | Ultrasonically assisted leaching device and method for restoring soil polluted by heavy metal |
| CN113000597A (en) * | 2021-03-19 | 2021-06-22 | 合肥学院 | Electric repairing device for heavy metal contaminated soil |
-
2015
- 2015-06-02 CN CN201520373933.5U patent/CN204735534U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858227A (en) * | 2015-06-02 | 2015-08-26 | 江苏省环境科学研究院 | Ultrasonically assisted leaching device and method for restoring soil polluted by heavy metal |
| CN113000597A (en) * | 2021-03-19 | 2021-06-22 | 合肥学院 | Electric repairing device for heavy metal contaminated soil |
| CN113000597B (en) * | 2021-03-19 | 2021-11-19 | 合肥学院 | Electric repairing device for heavy metal contaminated soil |
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