CN104923556B - For the thermal desorption firing equipment that oil-contaminated soil is repaired - Google Patents
For the thermal desorption firing equipment that oil-contaminated soil is repaired Download PDFInfo
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- CN104923556B CN104923556B CN201510391192.8A CN201510391192A CN104923556B CN 104923556 B CN104923556 B CN 104923556B CN 201510391192 A CN201510391192 A CN 201510391192A CN 104923556 B CN104923556 B CN 104923556B
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Abstract
The invention discloses a kind of thermal desorption firing equipment repaired for oil-contaminated soil, its structure includes：Microwave heating equipment (3), ultrasonic disperse device (4) and infrared heating device (5)；Microwave heating equipment (3) and ultrasonic disperse device (4) are both secured to the top of housing (2), and microwave heating equipment (3) is positioned at the left side of ultrasonic disperse device (4), and infrared heating device (5) is fixed on the bottom of housing (2)；In to oil-contaminated soil heating process, oil-contaminated soil is positioned over the bottom in housing (2), ultrasonic disperse device (4) is opened, and is first heated to preset temperature using infrared heating device (5), is then turned on microwave heating equipment (3) and is heated.The embodiment of the present invention can not only effectively keep stability and the uniformity for heating, and be substantially improved the repairing effect of oil-contaminated soil, and simple structure, energy consumption are low, applied widely.
Description
Technical field
The present invention relates to oil-contaminated soil recovery technique field, more particularly to a kind of thermal desorption for oil-contaminated soil reparation adds
Hot equipment.
Background technology
Thermal desorption technology is to make the technology that volatile material is desorbed from involatile substance by directly or indirectly heating,
It is one of effective technology of repairing polluted soil.Different from burning, thermal desorption technology is not to make organic contamination decomposition of components,
But the organic contamination component in soil is heated to by volatilization by directly or indirectly heating, so that organic contamination component and soil
Earth is separated, and reaches the purpose of rehabilitating soil.Study and show using result：Thermal desorption technology has for oil-contaminated soil reparation very well
Repairing effect.
At present, thermal desorption firing equipment is mainly made up of parts such as heating container, blower fan and heaters；Wherein, it is existing
Heater mainly adopt single use combustion heating or microwave heating, but there is length heat time heating time, energy using combustion heating
Consumption is high, be desorbed the low problem of efficiency, and adopts microwave heating presence heating uneven, easily the problems such as generation flash-point therefore existing
Thermal desorption firing equipment it is poor to the repairing effect of oil-contaminated soil and very unstable.
The content of the invention
For above-mentioned weak point of the prior art, the invention provides a kind of thermal desorption repaired for oil-contaminated soil
Firing equipment, can not only effectively keep stability and the uniformity for heating, make the repairing effect of oil-contaminated soil is substantially improved,
And simple structure, energy consumption are low, applied widely.
The purpose of the present invention is achieved through the following technical solutions：
A kind of thermal desorption firing equipment repaired for oil-contaminated soil, including：Support 1, housing 2, microwave heating equipment 3,
Ultrasonic disperse device 4 and infrared heating device 5；Housing 2 is fixed on support 1；The left end face of housing 2 is provided with shell air inlet
21, and its right end face of housing 2 is provided with housing gas outlet 22；The left end of housing 2 is provided with housing charging aperture 23, and housing 2
Right-hand end be provided with housing discharging opening 24；Microwave heating equipment 3 and ultrasonic disperse device 4 are both secured to the top of housing 2；It is red
External heating device 5 is fixed on the bottom of housing 2；
In to oil-contaminated soil heating process, oil-contaminated soil is positioned over the bottom in housing 2, and ultrasonic disperse device 4 is opened,
Preset temperature is heated to using infrared heating device 5 first, microwave heating equipment 3 is then turned on and is heated；Protective gas is via shell
Body air inlet 21 enters the inside of housing 2, then the outside that housing 2 is discharged via housing gas outlet 22；It is clean after removing greasy dirt
Soil discharges the outside of housing 2 via housing discharging opening 24.
Preferably, described shell air inlet 21 and housing gas outlet 22 are respectively positioned on the top of 2 horizontal axis of housing.
Preferably, microwave heating equipment 3 is located at the left side of the vertical centrage of housing 2, and ultrasonic disperse device 4 is positioned at micro-
The right side of Wave heating device 3.
Preferably, also include：Control device and temperature-detecting device；Control device respectively with microwave heating equipment 3, ultrasound
The electrical connection of dispersal device 4, infrared heating device 5 and temperature-detecting device, and control microwave heating equipment 3, ultrasonic disperse device
4th, infrared heating device 5 and temperature-detecting device running；
In to oil-contaminated soil heating process, temperature-detecting device real-time detection infrared heating device 5 and microwave heating are filled
3 heating-up temperature is put, and temperature detection result is fed back to into control device；And control device will be red according to the temperature detection result
The heating and temperature control of external heating device 5 and microwave heating equipment 3 is in the range of desorption temperature, so that the thermal desorption heating sets
Standby entrance keeps desorption temperature state, the greasy dirt in oil-contaminated soil gradually to remove.
Preferably, also include：Heating tank 7 and tank body rotating shaft 8；Housing charging aperture 23 is located at the top of 2 left end of housing, and shell
Body discharging opening 24 is located at the bottom of 2 right-hand member of housing；Heating tank 7 is located at the inside of housing 2, and corresponding housing is entered on heating tank 7
The position of material mouth 23 is provided with tank body charging aperture 73, and the position of corresponding housing discharging opening 24 is provided with tank body discharging opening 74；Heating tank 7
Left end face be provided with tank body air inlet 71, and its right end face of heating tank 7 is provided with tank body gas outlet 72；
Tank body rotating shaft 8 along housing 2 horizontal axis line through the left end face of housing 2, the left end face of heating tank 7, plus
Its right end face of its right end face and housing 2 of hot tank 7, and drive heating tank 7 to rotate；And the left and right two ends of tank body rotating shaft 8 are equal
It is arranged on support 1；In to oil-contaminated soil heating process, oil-contaminated soil is placed in the inside of heating tank 7, and tank body charging aperture 73 is close
Envelope, heating tank 7 are rotated with tank body rotating shaft 8.
Preferably, described tank body discharging opening 74 is provided at a separate openings on 7 right-hand member circumference of heating tank, or,
The multiple discharge openings being distributed across on 7 right-hand member circumference of heating tank.
Preferably, also include：Belt transmission mechanism；Left end face of the housing charging aperture 23 located at housing 2, and housing discharging
Its right end face of the mouth 24 located at housing 2；Belt transmission mechanism includes conveyer belt 61 and conveyer belt cylinder 62；Conveyer belt 61 is assemblied in
On conveyer belt cylinder 62, and housing 2 is crossed by housing charging aperture 23 and housing discharging opening 24；And conveyer belt cylinder 62 is located at
The outside of housing 2, and drive conveyer belt 61 to operate；In to oil-contaminated soil heating process, oil-contaminated soil is placed in inside housing 2
Conveyer belt 61 on.
Preferably, housing charging aperture 23 is provided with housing feed inlet baffle 25, and housing discharging opening 24 is provided with housing and goes out
Material mouth baffle plate 25；In to oil-contaminated soil heating process, housing charging aperture 23 is sealed by housing feed inlet baffle 25, housing discharging
Housing discharging opening 24 is sealed by mouth baffle plate 25.
As seen from the above technical solution provided by the invention, what the embodiment of the present invention was provided repaiies for oil-contaminated soil
Multiple thermal desorption firing equipment first passes through infrared heating device 5 and oil-contaminated soil shallow-layer is heated, when its temperature reach it is default
During temperature, it is then turned on microwave heating equipment 3 and starts to directly heat the inside of oil-contaminated soil, it is this that first oil-contaminated soil shallow-layer is entered
Row heating is heated evenly not only can oil-contaminated soil the direct-fired mode in oil-contaminated soil inside again, stablize, and makes to contain
Greasy dirt in oily soil can be with the gradually removing of ecto-entad, so that reparation of the thermal desorption firing equipment to oil-contaminated soil is imitated
Fruit is substantially improved.Meanwhile, in oil-contaminated soil heating process, the ultrasonic disperse device 4 of unlatching will can be coalesced together
Soil particle spreads out, and not only contributes to the removal of greasy dirt in oil-contaminated soil, and can be prevented effectively from what is coalesced together
Soil particle bursts suddenly damage equipment in heating process.As can be seen here, the embodiment of the present invention effectively can not only keep adding
The stability and uniformity of heat, is substantially improved the repairing effect of oil-contaminated soil, and simple structure, energy consumption be low, the scope of application
Extensively.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to using needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of creative work row is not paid, can be obtaining which according to these accompanying drawings
His accompanying drawing.
The structural representation of the thermal desorption firing equipment repaired for oil-contaminated soil that Fig. 1 is provided by the embodiment of the present invention
One.
The structural representation of the thermal desorption firing equipment repaired for oil-contaminated soil that Fig. 2 is provided by the embodiment of the present invention
Two.
Specific embodiment
With reference to 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
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Inventive embodiment, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, belongs to protection scope of the present invention.
Firstly the need of explanation, described in present specification " on ", D score, "left", "right", " top ", the band such as " bottom "
Directive words and phrases are only state of the herein described thermal desorption firing equipment when mode is placed as depicted in figs. 1 and 2, this
Merely to the relative position relation between part is more clearly from represented, when the mode of the thermal desorption firing equipment changes
When, " on ", D score, "left", "right", " top ", the direction such as " bottom " also can change therewith, but this still falls within the protection of the application
Scope.Below the thermal desorption firing equipment for oil-contaminated soil reparation provided by the present invention is described in detail.
As depicted in figs. 1 and 2, the thermal desorption firing equipment repaired for oil-contaminated soil provided by the present invention, which is concrete
Structure includes：Support 1, housing 2, microwave heating equipment 3, ultrasonic disperse device 4 and infrared heating device 5；Housing 2 is fixed on
On support 1；The left end face of housing 2 is provided with shell air inlet 21, and its right end face of housing 2 is provided with housing gas outlet 22；Shell
The left end of body 2 is provided with housing charging aperture 23, and the right-hand end of housing 2 is provided with housing discharging opening 24；Microwave heating equipment 3
The top of housing 2 is both secured to ultrasonic disperse device 4, infrared heating device 5 is fixed on the bottom of housing 2.
In to oil-contaminated soil heating process, bottom of the oil-contaminated soil in housing 2, ultrasonic disperse device 4 are opened, will
The soil particle for coalescing together is disperseed；Preset temperature is heated to using infrared heating device 5 first, microwave heating is then turned on
Device 3 is heated, and the heating and temperature control of infrared heating device 5 and microwave heating equipment 3 is in the range of desorption temperature,
Greasy dirt in oil-contaminated soil gradually becomes gas phase oil and removes from soil；Protective gas enters heating tank via shell air inlet 21
Inside 7, then discharge via housing gas outlet 22, the gas phase oil removed from oil-contaminated soil can be discharged to the outer of housing 2 by this
Portion；Clean soil after removing greasy dirt can discharge the outside of housing 2 by housing discharging opening 24.
Wherein, each part of the thermal desorption firing equipment may include embodiment in detail below：
(1) bottom being disposed in housing 2 due to oil-contaminated soil is (either inside the heating tank 7 in Fig. 1, or Fig. 2
In conveyer belt 61 on, oil-contaminated soil is the bottom in housing 2, even if heating tank 7 rotates, most of oil-contaminated soil
It is the bottom under gravity in housing 2), and microwave heating equipment 3 and ultrasonic disperse device 4 are to penetrate housing 2
(and the heating tank 7 in Fig. 1) directly acts on oil-contaminated soil, therefore will be microwave heating equipment 3 and ultrasonic disperse device 4 solid
Due to the top of housing 2, can make to keep certain distance between oil-contaminated soil and microwave heating equipment 3 and ultrasonic disperse device 4,
This not only contributes to microwave heating equipment 3 and directly oil-contaminated soil is internally heated, and makes heating more uniform, and favorably
Disperse in 4 pairs of soil particles for coalescing together in diverse location of ultrasonic disperse device, improve dispersion effect, have
Beneficial to the uniform and stable of soil.
(2) as oil-contaminated soil is disposed on the bottom in housing 2, and infrared heating device 5 is from the close-by examples to those far off gradually to pass
Pass heat energy, therefore infrared heating device 5 be fixed on the bottom of housing 2, can make oil-contaminated soil and infrared heating device 5 it
Between distance it is little as far as possible, this is conducive to infrared heating device 5 to heat atmosphere in housing 2 and soil shallow-layer.
(3) as oil-contaminated soil is disposed on the bottom in housing 2, and the gas phase oil removed in oil-contaminated soil is to transport upwards
Dynamic, therefore by shell air inlet 21 and housing gas outlet 22 located at the top of 2 horizontal axis of housing, this efficiently contributes to protect
Gas phase oil is discharged fast into shield gas the outside of housing 2.
(4) as housing charging aperture 23 is located at the left end of housing 2, and housing discharging opening 24 is located at the right side of housing 2
End, therefore oil-contaminated soil moved in housing 2 from left to right.By microwave heating equipment 3 located at the vertical center of housing 2
The left side of line, can make the time that microwave heating equipment 3 has abundance heat oil-contaminated soil, to improve to oil-contaminated soil
Repairing effect；If microwave heating equipment 3 is located at the right side of the vertical centrage of housing 2, it is likely to microwave heating dress occur
Put 3 fully not heat, oil-contaminated soil is just discharged from housing discharging opening 24, and this can reduce the repairing effect to oil-contaminated soil.
Again oil-contaminated soil after heating a period of time easily coalesces together to form harder soil particle, therefore by ultrasonic disperse device
4 advantageously disperse in the soil particle to coalescing together located at the right side of microwave heating equipment 3.
(5) the thermal desorption firing equipment can also include control device and temperature-detecting device；Control device respectively with it is micro-
The electrical connection of Wave heating device 3, ultrasonic disperse device 4, infrared heating device 5 and temperature-detecting device, and control microwave heating dress
Put the running of 3, ultrasonic disperse device 4, infrared heating device 5 and temperature-detecting device.
In to oil-contaminated soil heating process, temperature-detecting device can be added with real-time detection infrared heating device 5 and microwave
The heating-up temperature of thermal 3, and temperature detection result is fed back to into control device, and control device can be tied according to temperature detection
Fruit is strict controlled in the heating-up temperature of infrared heating device 5 and microwave heating equipment 3 in the range of desorption temperature, so that the heat
Desorption firing equipment is entered and keeps desorption temperature state, the greasy dirt in oil-contaminated soil gradually can remove.By the control device
Can be with the operation of the intelligentized control method thermal desorption firing equipment.
(6) infrared heating device 5 is first to heat to preset temperature, preferably 200～400 under this preset temperature usual condition
Between DEG C, due to the high conversion efficiency of Infrared Heating, conversion time is short, thus infrared heating device 5 can quickly reach 200～
Between 400 DEG C, and in the range of this medium and low temperature, in soil shallow-layer, most of pollutant quickly can be evaporated, and this ten
Dividing contributes to removing of the follow-up microwave heating to soil internal layer Organic substance.The preset temperature can enter according to actual process requirements
Row setting.In actual applications, the ultrasound wave general power of ultrasonic disperse device 4 is preferably 2～20kw, and this effectively can disperse to gather
Knot soil particle together；The power of infrared heating device 5 is preferably 1～10kw, and this can reach Efficient Conversion heating, soon
The purpose of pollutant in speed removing soil shallow-layer；The microwave power of microwave heating equipment 3 is preferably 600～15000w, and frequency is most
It is well 2.45GHz, this effectively can be heated to soil inside；Ultrasonic disperse device 4, infrared heating device 5 and microwave heating dress
Put 3 are specifically operated using what operating parameter, staff can be in optimized selection according to actual process demand.
Specifically, the operation principle of the thermal desorption firing equipment is as follows：In to oil-contaminated soil heating process, first using red
External heating device 5 is heated to the atmosphere in housing 2 and oil-contaminated soil shallow-layer and bottom, when adding for infrared heating device 5
When hot temperature reaches preset temperature, microwave heating equipment 3 is opened, it is direct that microwave heating equipment 3 starts the inside to oil-contaminated soil
Heating；This direct-fired mode in inside for first being heated to oil-contaminated soil shallow-layer again to oil-contaminated soil, effectively can keep away
Exempt from heating too fast, so as to be heated evenly not only can oil-contaminated soil, stable, and can make the greasy dirt in oil-contaminated soil can be with
The fast eliminating of ecto-entad, therefore the thermal desorption firing equipment can be substantially improved the repairing effect to oil-contaminated soil.Meanwhile,
In to oil-contaminated soil heating process, the soil particle for coalescing together can be spread out by the ultrasonic disperse device 4 of unlatching,
Local heating can be prevented effectively from too fast, so that soil is uniformly heated, keeps efficient stable, and then be prevented effectively from coalescence
Soil particle together is burst in heating process suddenly.Additionally, protective gas enters heating tank 7 via shell air inlet 21
Inside, then discharge via housing gas outlet 22, the gas phase removed from oil-contaminated soil oil quickly can be arranged from housing 2 by this
Go out.
As fully visible, the embodiment of the present invention can not only effectively keep stability and the uniformity for heating, and make oil-contaminated soil
Repairing effect be substantially improved, and simple structure, energy consumption are low, applied widely.
In order to more clearly from show technical scheme provided by the present invention and produced technique effect, below with several
Individual specific embodiment and combine accompanying drawing to provide the embodiment of the present invention for oil-contaminated soil reparation thermal desorption heating set
It is standby to be described in detail.
Embodiment one
As shown in figure 1, a kind of thermal desorption firing equipment repaired for oil-contaminated soil, its concrete structure can include：
Frame 1, housing 2, microwave heating equipment 3, ultrasonic disperse device 4, infrared heating device 5, heating tank 7, tank body rotating shaft 8, control dress
Put and temperature-detecting device；
Housing 2 is fixed on support 1；The left end face of housing 2 is provided with shell air inlet 21, and its right end face of housing 2
It is provided with housing gas outlet 22；Housing charging aperture 23 is provided with the top of 2 left end of housing, and the bottom of 2 right-hand member of housing is provided with housing and goes out
Material mouth 24；Microwave heating equipment 3 and ultrasonic disperse device 4 are both secured to the top of housing 2；Infrared heating device 5 is fixed on shell
The bottom of body 2；Control device is filled with microwave heating equipment 3, ultrasonic disperse device 4, infrared heating device 5 and temperature detection respectively
Put electrical connection.
Heating tank 7 is located at the inside of housing 2, and the position of corresponding housing charging aperture 23 is provided with tank body and enters on heating tank 7
Material mouth 73, and the position of corresponding housing discharging opening 24 is provided with tank body discharging opening 74；The left end face of heating tank 7 is provided with tank body and enters
QI KOU 71, and its right end face of heating tank 7 is provided with tank body gas outlet 72；Tank body rotating shaft 8 is passed through along the horizontal axis line of housing 2
Its right end face of the left end face of housing 2, the left end face of heating tank 7, its right end face of heating tank 7 and housing 2, and drive
Heating tank 7 rotates；And the left and right two ends of tank body rotating shaft 8 are may be contained within support 1.
In to oil-contaminated soil heating process, oil-contaminated soil is placed in the inside of heating tank 7, and tank body charging aperture 73 is sealed, tank
Body rotating shaft 8 drives heating tank 7 to rotate, and ultrasonic disperse device 4 is opened, and is first heated to preset temperature using infrared heating device 5, then
Open microwave heating equipment 3 to be heated；Temperature-detecting device real-time detection infrared heating device 5 and microwave heating equipment 3
Heating-up temperature, and temperature detection result is fed back to into control device, and control device according to temperature detection result by Infrared Heating
The heating-up temperature of device 5 and microwave heating equipment 3 is strict controlled in the range of desorption temperature, so that the greasy dirt in oil-contaminated soil
Gradually remove, form gas phase oil；Protective gas enters into heating tank 7 via shell air inlet 21 and tank body air inlet 71 successively
Inside, then discharge via tank body gas outlet 72 and housing gas outlet 22 successively, so as to gas phase oil to be discharged to the outside of housing 2；
Clean soil after removing greasy dirt can discharge the outside of housing 2 by housing discharging opening 24.
Specifically, shell air inlet 21 and housing gas outlet 22 are preferably respectively positioned on the top of 2 horizontal axis of housing.Microwave adds
Thermal 3 is preferably located at the left side of the vertical centrage of housing 2, and ultrasonic disperse device 4 is preferably located at microwave heating equipment 3
Right side.Tank body discharging opening 74 can be provided at a separate openings on 7 right-hand member circumference of heating tank, or, or distribution
Multiple discharge openings on 7 right-hand member circumference of heating tank.
Further, the advantage of the thermal desorption firing equipment for oil-contaminated soil reparation provided by the present embodiment one is：
In to oil-contaminated soil heating process, heating tank 7 is rotation, and this rotation can further promote the stable of heating and fill
Point, make oil purification ratio more thoroughly, it is adaptable to which oil content height or the soil containing heavy oil component are repaired.
Embodiment two
As shown in Fig. 2 a kind of thermal desorption firing equipment repaired for oil-contaminated soil, its concrete structure can include：
Frame 1, housing 2, microwave heating equipment 3, ultrasonic disperse device 4, infrared heating device, belt transmission mechanism, control device and temperature
Degree detection means；
Housing 2 is fixed on support 1；The left end face of housing 2 is provided with shell air inlet 21 and housing charging aperture 23, and shell
Its right end face of body 2 is provided with housing gas outlet 22 and housing discharging opening 24；Housing charging aperture 23 and housing discharging opening 24 are respectively positioned on
The lower section of 2 horizontal axis of housing；Microwave heating equipment 3 and ultrasonic disperse device 4 are both secured to the top of housing 2；Infrared Heating
Device 5 is fixed on the bottom of housing 2；Control device respectively with microwave heating equipment 3, ultrasonic disperse device 4, infrared heating device
5 and temperature-detecting device electrical connection.
Belt transmission mechanism includes conveyer belt 61 and conveyer belt cylinder 62；Conveyer belt 61 is assemblied on conveyer belt cylinder 62,
And pass through housing charging aperture 23 and housing discharging opening 24 crosses housing 2；And conveyer belt cylinder 62 is located at the outside of housing 2, and
And drive conveyer belt 61 to operate.
In to oil-contaminated soil heating process, on the conveyer belt 61 that oil-contaminated soil is placed in inside housing 2, ultrasonic disperse device
4 open；Preset temperature is heated to using infrared heating device 5 first, microwave heating equipment 3 is then turned on and is heated；Temperature detection
The heating-up temperature of device real-time detection infrared heating device 5 and microwave heating equipment 3, and temperature detection result is fed back to into control
Device, and the heating-up temperature of infrared heating device 5 and microwave heating equipment 3 is strictly controlled by control device according to temperature detection result
System is in the range of desorption temperature, so that the greasy dirt in oil-contaminated soil is gradually removed, forms gas phase oil；Protective gas is via housing
Air inlet 21 enters into the inside of housing 2, then discharges via housing gas outlet 22, so as to gas phase oil is discharged to the outer of housing 2
Portion；After a collection of oil-contaminated soil has been processed, conveyer belt 61 can be moved from left to right, so that the clean soil after removing greasy dirt
The outside of housing 2 can be discharged by housing discharging opening 24.
Specifically, shell air inlet 21 and housing gas outlet 22 are preferably respectively positioned on the top of 2 horizontal axis of housing.Microwave adds
Thermal 3 is preferably located at the left side of the vertical centrage of housing 2, and ultrasonic disperse device 4 is preferably located at microwave heating equipment 3
Right side.Housing charging aperture 23 is provided with housing feed inlet baffle 25, and housing discharging opening 24 is provided with housing discharging opening baffle plate 25；
In to oil-contaminated soil heating process, housing charging aperture 23 is sealed by housing feed inlet baffle 25, and housing discharging opening baffle plate 25 will
Housing discharging opening 24 is sealed.
Further, the advantage of the thermal desorption firing equipment for oil-contaminated soil reparation provided by the present embodiment two is：
The present embodiment two can constitute movable and skid-mounted device, directly carry out real-time purified treatment in contaminated site, and disposal ability compared with
By force, process time is short, it is adaptable to which the soil containing lightweight oil is repaired.
As fully visible, the embodiment of the present invention can not only effectively keep stability and the uniformity for heating, and make oil-contaminated soil
Repairing effect be substantially improved, and simple structure, energy consumption are low, applied widely.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (8)
1. it is a kind of for oil-contaminated soil repair thermal desorption firing equipment, it is characterised in that include：It is support (1), housing (2), micro-
Wave heating device (3), ultrasonic disperse device (4) and infrared heating device (5)；
Housing (2) is fixed on support (1)；The left end face of housing (2) is provided with shell air inlet (21), and the right side of housing (2)
Side end face is provided with housing gas outlet (22)；The left end of housing (2) is provided with housing charging aperture (23), and the right side of housing (2)
End is provided with housing discharging opening (24)；
Microwave heating equipment (3) and ultrasonic disperse device (4) are both secured to the top of housing (2)；Infrared heating device (5) is fixed
In the bottom of housing (2)；
In to oil-contaminated soil heating process, oil-contaminated soil is positioned over the bottom in housing (2), and ultrasonic disperse device (4) is opened,
Preset temperature is heated to using infrared heating device (5) first, microwave heating equipment (3) is then turned on and is heated；Protective gas Jing
By shell air inlet (21) into housing (2) inside, then via housing gas outlet (22) discharge housing (2) outside；Removing
Clean soil after greasy dirt discharges the outside of housing (2) via housing discharging opening (24).
2. thermal desorption firing equipment according to claim 1, it is characterised in that described shell air inlet (21) and housing
Gas outlet (22) is respectively positioned on the top of housing (2) horizontal axis.
3. thermal desorption firing equipment according to claim 1, it is characterised in that microwave heating equipment (3) is positioned at housing (2)
Vertical centrage left side, and ultrasonic disperse device (4) is positioned at the right side of microwave heating equipment (3).
4. thermal desorption firing equipment according to claim 1, it is characterised in that also include：Control device and temperature detection
Device；Control device respectively with microwave heating equipment (3), ultrasonic disperse device (4), infrared heating device (5) and temperature detection
Device is electrically connected, and controls microwave heating equipment (3), ultrasonic disperse device (4), infrared heating device (5) and temperature detection dress
Put running；
In to oil-contaminated soil heating process, temperature-detecting device real-time detection infrared heating device (5) and microwave heating equipment
(3) heating-up temperature, and temperature detection result is fed back to into control device；And control device will be red according to the temperature detection result
The heating and temperature control of external heating device (5) and microwave heating equipment (3) is in the range of desorption temperature, so that the thermal desorption adds
Hot equipment is entered and keeps desorption temperature state, the greasy dirt in oil-contaminated soil gradually to remove.
5. thermal desorption firing equipment according to any one of claim 1 to 4, it is characterised in that also include：Heating tank
And tank body rotating shaft (8) (7)；Housing charging aperture (23) is located at the top of housing (2) left end, and housing discharging opening (24) is located at housing
(2) bottom of right-hand member；
Heating tank (7) is provided with tank located at the position of corresponding housing charging aperture (23) on the inside of housing (2), and heating tank (7)
Body charging aperture (73), and the position of corresponding housing discharging opening (24) is provided with tank body discharging opening (74)；The left end face of heating tank (7)
Tank body air inlet (71) is provided with, and its right end face of heating tank (7) is provided with tank body gas outlet (72)；
Tank body rotating shaft (8) along housing (2) horizontal axis line through the left end face of housing (2), the left-hand end of heating tank (7)
Its right end face in face, its right end face of heating tank (7) and housing (2), and drive heating tank (7) to rotate；And tank body rotating shaft (8)
Left and right two ends may be contained within support (1)；
In to oil-contaminated soil heating process, oil-contaminated soil is placed in the inside of heating tank (7), and tank body charging aperture (73) is sealed, plus
Hot tank (7) is rotated with tank body rotating shaft (8).
6. thermal desorption firing equipment according to claim 5, it is characterised in that described tank body discharging opening (74) is provided at
A separate openings on heating tank (7) right-hand member circumference, or, the multiple dischargings being distributed across on heating tank (7) right-hand member circumference
Hole.
7. thermal desorption firing equipment according to any one of claim 1 to 4, it is characterised in that also include：Belt transport
Mechanism；Left end face of the housing charging aperture (23) located at housing (2), and housing discharging opening (24) is located at the right-hand end of housing (2)
Face；
Belt transmission mechanism includes conveyer belt (61) and conveyer belt cylinder (62)；Conveyer belt (61) is assemblied in conveyer belt cylinder (62)
On, and housing (2) is crossed by housing charging aperture (23) and housing discharging opening (24)；And conveyer belt cylinder (62) is located at housing
(2) outside, and drive conveyer belt (61) to operate；
In to oil-contaminated soil heating process, oil-contaminated soil is placed on the internal conveyer belt (61) of housing (2).
8. thermal desorption firing equipment according to claim 7, it is characterised in that housing charging aperture (23) is provided with housing and enters
Material mouth baffle plate (25), and housing discharging opening (24) is provided with housing discharging opening baffle plate (25)；
In to oil-contaminated soil heating process, housing charging aperture (23) is sealed by housing feed inlet baffle (25), housing discharging opening
Housing discharging opening (24) is sealed by baffle plate (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN105170626B (en) * | 2015-10-16 | 2018-06-22 | 南京大学 | The device and method of Microwave Irradiation Assisted Chemical elution repairing heavy metal pollution place soil |
| CN105234165B (en) * | 2015-11-05 | 2017-08-25 | 东南大学 | A kind of dystopy soil thermal desorption method |
| CN107570531A (en) * | 2017-08-08 | 2018-01-12 | 程刚 | A kind of thermal desorption module of vehicle-mounted integrated form soil thermal desorption prosthetic device |
| CN107838189A (en) * | 2017-11-01 | 2018-03-27 | 榆林学院 | A kind of microwave decomposition oil contaminated soil prototype |
| CN109848198A (en) * | 2019-04-01 | 2019-06-07 | 南京师范大学 | A kind of soil thermal desorption ex-situ repair system |
| CN110142288A (en) * | 2019-04-28 | 2019-08-20 | 湖南城市学院 | A kind of pyrolysis agitating device of contaminated soil improvement |
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