A kind of photocatalysis soil restoring device
Technical field
The invention belongs to environmental protection technical field, and in particular to a kind of photocatalysis soil restoring device.
Background technology
Soil pollution can be caused by many things, including in such as natural soils environment it is non-natural caused by material deposit
.Pollution can be infiltrated into because of the leakage of such as buried tank, the use of insecticide, polluted surface water subsurface formations, oil and
Fuel draining, the waste of refuse landfill leaches or industrial waste is directly discharged to soil and caused.See in contaminated soil
Some Common materials include petroleum hydrocarbon, solvent, insecticide, lead and other heavy metals.Wherein, being primarily referred to as of soil organic contamination
Learn to farm the pollution of medicine, it can make composition of the soil and physicochemical property change, and then destroy the normal composition of soil, finally may be used
By the process such as the absorption of plant and the accumulation of food chain, and then health is formed and endangered, such as " three cause " effect:Cause
Disease, carcinogenic, mutagenesis.
In the prior art, the minimizing technology of pin organic polluted soil is to utilize adsorbing, being contaminated soil for activated carbon
Discarded or heating etc., but pollutant is simply departed from into soil mostly, substantially it is not carried out thoroughly eliminating organic contamination
Thing.Even with photochemical catalytic oxidation principle, also tend to contact with photochemical catalyst not abundant enough because being repaired soil, still remain
Many pollutants, the effect of soil remediation are undesirable.
And soil remediation means of the prior art cause the degeneration of soil function more, so the dirt in soil should be removed
Thing is contaminated, ensure that soil function turns into again needs to solve the problems, such as in the prior art.
The content of the invention
It is an object of the invention to provide a kind of photocatalysis soil restoring device, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme:A kind of photocatalysis soil restoring device, including shell
1st, control device 2, rotary shaft 3, heating muff 4, light transmission film 5 and ultraviolet lamp 6, the shell 1 are the framework of lower open
Structure, control device 2 are arranged on the lateral wall of shell 1, and the both ends of the rotary shaft 3 are with being arranged on the madial wall of shell 1
Transmission parts are longitudinally connected, and the transmission parts electrically connect with the motor being arranged in control device 2, and the transmission parts are by driving
Dynamic motor switch 7 is controlled, and heating muff 4 is fixedly installed on outside rotary shaft 3, is electrically connected with control device 2 and is controlled by heater switch 8
System, the outside of the heating muff 4 are additionally provided with spiral conveying blade 9, and the maximum rotating diameter of the spiral conveying blade 9 is small
The top for being arranged at shell 1 is covered perpendicular to the laterally wide of rotary shaft 3, the light transmission film 5 in shell 1, ultraviolet lamp 6 is set
It is placed on the madial wall of shell 1, and is electrically connected with control device 2, and by the control of ultraviolet lamp switch 10, spiral conveying blade
Photocatalytic coating is also covered with 9, the top of the control device 2 is additionally provided with soil-repairing agent storage warehouse 14, the soil
The top of renovation agent storage warehouse 14 is opening, and discharging is provided with the madial wall of shell 1 of the side of soil-repairing agent storage warehouse 14
Mouth 13, and discharging opening 13 is provided with electrically operated valve 15 on the spiral top of conveying blade 9, discharging opening 13, the electrically operated valve
15 electrically connect with control device 2 by the control of electrically operated valve switch 16, and the additive in the soil-repairing agent storage warehouse 14 is soil
Earth renovation agent, UHA and nano titanium dioxide powder, it is described to be spirally provided with equally distributed circle on conveying blade 9
Shape projection 11, the surface of projection 11 scribble photocatalysis coating, and the photocatalysis coating is specially aluminum network structure, internal additive
For nano titania silk, wherein soil-repairing agent includes following component by weight:
Di-n-octyl sebacate 10-18
1,4- lupetazins 6-12
Salicin 7-13
4- (2,6,6- trimethyl-2- cyclo-octene-1- bases)-3- butene-2 -one 2-8
4- aminoisoquinolines 0.8-2
Deionized water 20-40.
Preferably, equally distributed circular protrusions are provided with the spiral conveying blade, the convex surfaces scribble light
Catalyst coatings.
Preferably, photocatalyst layer is provided with the inner surface of the light transmission film, the photocatalyst layer is specially aluminum
Network structure, internal additive are nano titania silk.
Compared with prior art, the beneficial effects of the invention are as follows:
(1)The invention drives spiral conveying blade to rotate using rotary shaft, so as to sufficiently stir contaminated soil,
Covered with photocatalytic coating on the spiral conveying blade, in the presence of ultraviolet lamp, considerably increase contaminated soil with
The contact area of photochemical catalyst, improve the efficiency to soil remediation;UHA and dioxy are added in soil-repairing agent
Change titanium, under the stirring action of spiral conveying blade, not only increase the feature of soil, and titania powder and soil
Fully contact, further strengthens photocatalysis effect.
(2)The heavy metal contained in soil and di-n-octyl sebacate, 4- (2,6,6- trimethyl -2- cyclo-octene -1- bases) -3-
Five kinds of butene-2 -one, Isosorbide-5-Nitrae-lupetazin, salicin, 4- aminoisoquinolines materials produce synergy, are combined by metal
The inducing action of peptide makes heavy metal ion that chelatropic reaction occur, can be with the various heavy such as copper, zinc, lead, chromium, cadmium, platinum, silver, gold
Ion produces chelation, generates metal complex, and the complex compound is not soluble in water, can be removed by centrifuging operation,
Its removal efficiency of heavy metals is up to 99.3%.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is A-A directional profile figures in Fig. 1 of the present invention.
In figure:1 shell, 2 control devices, 3 rotary shafts, 4 heating muffs, 5 light transmission films, 6 ultraviolet lamps, 7 motors
Switch, 8 heater switch, 9 spiral conveying blades, 10 ultraviolet lamps switch, 11 projections, 12 photocatalyst layers, 13 discharging openings, 14
Soil-repairing agent storage warehouse, 15 electrically operated valves, 16 electrically operated valves switch.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
Fig. 1 and Fig. 2 are referred to, the present embodiment is by shell 1, control device 2, rotary shaft 3, heating muff 4, light transmission film 5
Being formed with ultraviolet lamp 6, the shell 1 is the frame structure of lower open, and control device 2 is arranged on the lateral wall of shell 1,
The both ends of the rotary shaft 3 and the transmission parts being arranged on the madial wall of shell 1 are longitudinally connected, and the transmission parts are with being arranged on control
Motor electrical connection in device 2 processed, and the transmission parts are fixedly installed on by the control of motor switch 7, heating muff 4
Outside rotary shaft 3, and electrically connect with control device 2 and controlled by heater switch 8, the outside of the heating muff 4 is additionally provided with spiral
Formula conveying blade 9, ultraviolet lamp 6 are arranged on the madial wall of shell 1, and are electrically connected with control device 2, and are opened by ultraviolet lamp
Close 10 controls, the maximum rotating diameter of spiral conveying blade 9 be limited to shell 1 the transverse width perpendicular to rotary shaft 3 it
Interior, the light transmission film 5 covers the top for being arranged at shell 1, and photochemical catalyst painting is also covered with the spiral conveying blade 9
Layer, when the device is in operation, the present apparatus is placed on contaminated soil, is separately turned on motor switch 7, the and of heater switch 8
Ultraviolet lamp switch 10, spiral conveying blade 9 rotates with the rotation of rotary shaft 3, and the caking of contaminated soil is by spiral
The agitation of formula conveying blade 9 is opened, and heating muff 4 heats and transfers heat to spiral conveying blade 8, and heat reaches the soil being stirred therewith
Earth, make some organic pollutants under high temperature action, depart from soil, in the presence of ultraviolet lamp 6, with spiral conveying blade
The photocatalytic coating reaction covered on 9, so as to eliminate organic pollution;The spiral conveying blade 9 is by wolfram steel or chromium steel
The hard alloy of material is made, and causes spiral conveying blade 9 when stirring contaminated soil from the high steel alloy of intensity, more
Fully, and soil should not lump, and organic contaminants in soil is increased with photocatalytic coating contact area;The control device
2 top is additionally provided with soil-repairing agent storage warehouse 14, and the top of the soil-repairing agent storage warehouse 14 is opening, and bottom is provided with
Discharging opening 13, the discharging opening 13 are arranged on the madial wall of shell 1 of the side of soil-repairing agent storage warehouse 14, and positioned at spiral defeated
The top of blade 9 is sent, is provided with electrically operated valve 15 on discharging opening 13, the electrically operated valve 15 is electrically connected by motor-driven valve with control device 2
Door switch 16 controls, and discharging opening 13 discharges soil-repairing agent to the direction of spiral conveying blade 9, in spiral conveying blade 9
In the case of rotation, uniformly stir in soil, make additive in soil-repairing agent storage warehouse 14 and soil more abundant
Mixing;Additive in the soil-repairing agent storage warehouse 14 is soil-repairing agent, UHA and nano titanium oxide
The mixture of powder, humic acid can flocculate, and turn into a kind of cementing agent, scattered soil particle cementation can be got up, and form water
The good crumb structure of stability, improves soil enzyme activity, and nano titanium dioxide powder sufficiently can connect with being repaired soil
Touch, the nano titanium dioxide powder stayed in soil can effectively catch remaining organic pollution and virus in soil, enter
One step improves the adequacy of light-catalyzed reaction, and strengthens the feature after soil is repaired;
Wherein soil-repairing agent includes following component by weight:
Di-n-octyl sebacate 10-18
1,4- lupetazins 6-12
Salicin 7-13
4- (2,6,6- trimethyl-2- cyclo-octene-1- bases)-3- butene-2 -one 2-8
4- aminoisoquinolines 0.8-2
Deionized water 20-40.
Equally distributed circular protrusions 11 are provided with the spiral conveying blade 9, the surface of projection 11 scribbles light and urged
Change coating, projection adds the surface area of photocatalytic coating on spiral conveying blade 9, makes organic contaminants in soil and light
Catalyst coat contact area increases, and further improves the efficiency for removing pollutant in soil.
Embodiment 2
Fig. 1 and Fig. 2 are referred to, is provided with photocatalyst layer 12 on the inner surface of the light transmission film 5 in the present embodiment,
The photocatalyst layer 12 is specially aluminum network structure, and internal additive is nano titania silk, other parts and its connection
Connect relation and all same of embodiment 1;The photocatalyst layer 12 increases the contact area of organic pollution and photochemical catalyst, can be with
The heated aerial organic pollution of volatilization is caught, in the presence of ultraviolet lamp 6, elimination is attached to photocatalyst layer 12
On organic pollution, improve remove pollutant in soil efficiency.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.