CN220837189U - Combined stabilization restoration device for ectopic rotary kiln of organic and heavy metal combined contaminated soil - Google Patents
Combined stabilization restoration device for ectopic rotary kiln of organic and heavy metal combined contaminated soil Download PDFInfo
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- CN220837189U CN220837189U CN202322222250.7U CN202322222250U CN220837189U CN 220837189 U CN220837189 U CN 220837189U CN 202322222250 U CN202322222250 U CN 202322222250U CN 220837189 U CN220837189 U CN 220837189U
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- rotary kiln
- heavy metal
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- organic
- stabilization
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 49
- 239000002689 soil Substances 0.000 title claims abstract description 49
- 230000006641 stabilisation Effects 0.000 title claims abstract description 42
- 238000011105 stabilization Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000003795 desorption Methods 0.000 claims abstract description 8
- 239000003814 drug Substances 0.000 claims description 14
- 238000013461 design Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002680 soil gas Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to a combined stabilization restoration device for an ectopic rotary kiln of organic and heavy metal combined polluted soil, which comprises an upper rotary kiln, wherein a feed hopper is arranged on the left side of the upper rotary kiln, a lower rotary kiln is arranged at the bottom of the upper rotary kiln, a discharging channel is arranged between the upper rotary kiln and the lower rotary kiln, first material pouring plates are arranged in the upper rotary kiln, second material pouring plates are arranged in the lower rotary kiln, a weight sensor is arranged in the discharging channel, and a material outlet hopper is arranged on the front side of the lower rotary kiln. This organic and heavy metal combined pollution soil ectopic rotary kiln unites stabilization prosthetic devices, through upper and lower floor's rotary kiln design, the upper rotary kiln is used for the thermal desorption of organic pollutant to get rid of, and the lower floor is used for heavy metal pollutant's stabilization restoration, can satisfy combined pollution soil's restoration simultaneously, can shorten the disposal time, saves space.
Description
Technical Field
The utility model relates to the technical field of soil restoration devices, in particular to an ectopic rotary kiln combined stabilization restoration device for organic and heavy metal combined polluted soil.
Background
At present, organic and heavy metal combined pollution conditions are more in industrial pollution site restoration, aiming at the combined pollution soil, firstly, thermal desorption treatment of organic matters is carried out, then heavy metal treatment is carried out, a solidification and stabilization technology is generally selected for restoration in a heavy metal treatment mode, the organic and heavy metal combined pollution soil is mainly treated in stages, the treatment time is increased, two sets of equipment needs to occupy more space, more equipment investment is needed, and certain environmental risks exist in the processes of polluted soil transportation and the like, so that the combined stabilization restoration device for the ectopic rotary kiln of the organic and heavy metal combined pollution soil is provided for solving the problems.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the combined stabilization restoration device for the ectopic rotary kiln of the organic and heavy metal combined polluted soil, which has the advantages of being convenient for restoring the polluted soil, shortening the disposal time, saving the space and the like, and solves the problem that the processing equipment occupies space at the disposal time.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an organic and heavy metal combined pollution soil ectopic rotary kiln joint stabilization prosthetic devices, includes the upper rotary kiln, the left side of upper rotary kiln is provided with the feeder hopper, the bottom of upper rotary kiln is provided with the lower floor's rotary kiln, be provided with the unloading passageway between upper rotary kiln and the lower floor's rotary kiln, the inside first flitch that falls that all is provided with of upper rotary kiln, the inside second flitch that falls that all is provided with of lower floor's rotary kiln, be provided with weight sensor in the unloading passageway, the front side of lower floor's rotary kiln is provided with out the hopper.
Further, the upper portion UNICOM of the discharge end of lower floor's rotary kiln has tail gas treatment system, the right side wall of unloading passageway is provided with heavy metal stabilization medicament and adds the device.
Further, the first material pouring plates are uniformly distributed in the upper rotary kiln, and the number of the first material pouring plates exceeds five.
Further, the second material pouring plates are uniformly distributed in the lower rotary kiln, and the number of the second material pouring plates exceeds five.
Further, the first material pouring plate and the second material pouring plate are inclined to a certain extent along the feeding direction, and the upper rotary kiln is a thermal desorption kiln.
Further, the upper rotary kiln and the lower rotary kiln are communicated through a discharging channel, and the weight sensor is electrically connected with the heavy metal stabilization agent adding device.
(III) beneficial effects
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. According to the combined stabilization restoration device for the ectopic rotary kiln of the organic and heavy metal combined contaminated soil, through the design of the upper rotary kiln and the lower rotary kiln, the combined stabilization restoration device has an excellent treatment effect on the combined type contaminants, the upper rotary kiln is used for treating the organic matters in the contaminated soil, the lower rotary kiln is used for treating the heavy metals in the contaminated soil, and two types of contaminants are removed through one device, so that the occupied area of the device in the treatment process is saved; through setting up first material pouring plate, to upper rotary kiln, make soil and natural gas fully contact, be convenient for the removal of organic matter in the soil, through setting up the second material pouring plate, to lower rotary kiln, spout into the medicament in to the soil through heavy metal stabilization medicament adding device, make soil and medicament intensive mixing, the intensive reaction has improved reaction efficiency.
2. According to the combined stabilization restoration device for the ectopic rotary kiln of the organic and heavy metal combined contaminated soil, the weight sensor is arranged in the blanking channel, and the addition of the heavy metal stabilization agent is accurately carried out according to the measured weight, so that the restoration link control is facilitated; through the upper and lower layer design, the space is saved, and the popularization and the use of equipment are facilitated.
Drawings
FIG. 1 is a front cross-sectional view of the present utility model;
FIG. 2 is a left side cross-sectional view of a partial structure of the present utility model;
Fig. 3 is a left side cross-sectional view of a partial structure of the present utility model.
In the figure: 1 upper rotary kiln, 2 feeder hopper, 3 lower rotary kiln, 4 unloading passageway, 5 first material pouring plate, 6 second material pouring plate, 7 weight sensor, 8 play hopper, 9 tail gas treatment system, 10 heavy metal stabilization medicament interpolation device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an ectopic rotary kiln combined stabilization restoration device for organic and heavy metal combined contaminated soil in this embodiment includes an upper rotary kiln 1, a feed hopper 2 is disposed on the left side of the upper rotary kiln 1, a lower rotary kiln 3 is disposed at the bottom of the upper rotary kiln 1, a blanking channel 4 is disposed between the upper rotary kiln 1 and the lower rotary kiln 3, a first blanking plate 5 is disposed inside the upper rotary kiln 1, a second blanking plate 6 is disposed inside the lower rotary kiln 3, a weight sensor 7 is disposed in the blanking channel 4, a discharge hopper 8 is disposed on the front side of the lower rotary kiln 3, the upper rotary kiln 1 is a thermal desorption kiln, thermal desorption can be performed on soil by setting the upper rotary kiln 1, removal of organic contaminants in soil is achieved, blanking amount can be accurately measured by setting a weight sensor 7, and heavy metal stabilization agent is calculated by blanking amount.
The upper rotary kiln 1 and the lower rotary kiln 3 are communicated through a discharging channel 4, and the whole is a closed facility.
The upper portion UNICOM of discharge end of lower floor's rotary kiln 3 has tail gas treatment system 9, and the right side wall of unloading passageway 4 is provided with heavy metal stabilization medicament and adds device 10, through setting up heavy metal stabilization medicament and add device 10, can spray stabilization medicament solution in unloading passageway 4 lower part, makes whereabouts soil and heavy metal stabilization medicament mix, through setting up tail gas treatment system 9, can carry out discharge after up-to-standard treatment to the tail gas that produces.
The device is designed through upper and lower layer rotary kiln 3, and upper rotary kiln 1 is used for the thermal desorption of organic pollutant to get rid of, and the lower floor is used for the stabilization restoration of heavy metal pollutant, can satisfy the restoration of combined pollution soil simultaneously, can shorten the treatment time, save space, can extensively promote in the applicable field this device, like can be used to the thermal desorption restoration of organic class pollution soil such as polycyclic aromatic hydrocarbon, benzene series thing, also can be used as the stabilization restoration of heavy metal pollution soil such as plumbous, cadmium.
In practice, the method is carried out according to the following steps:
1) Firstly crushing and screening organic and heavy metal compound contaminated soil, then entering an upper rotary kiln 1 through a feed hopper 2, and inputting natural gas to enable the soil and the natural gas to fully contact;
2) Then the upper rotary kiln 1 removes organic pollutants in the polluted soil, the organic pollutants enter a discharging channel 4, a weight sensor 7 in the discharging channel 4 accurately measures the discharging amount, heavy metal stabilizing agent is calculated through the discharging amount, stabilizing agent solution is sprayed at the lower part of the discharging channel 4 through a heavy metal stabilizing agent adding device 10, and the fallen soil is mixed with the heavy metal stabilizing agent;
3) And finally, the soil enters the lower rotary kiln 3 after dosing to carry out a heavy metal stabilization process, the soil and the stabilization agent are fully mixed through the lower rotary kiln 3, the heavy metal stabilization reaction is facilitated, the lower rotary kiln is rotated, the upper part of the discharging end of the lower rotary kiln is communicated with the tail gas treatment system 9, the generated tail gas is discharged after reaching the standard, the soil generated by the discharging end enters a maintenance area, the heavy metal stabilization process is fully reacted, the monitoring of target organic matters and heavy metals in the soil is carried out after a period of time, and the treatment is carried out according to the requirements after the requirements are met.
In summary, 1, the combined stabilization restoration device for the ectopic rotary kiln of the organic and heavy metal combined polluted soil has excellent treatment effect on the combined pollutants through the design of the upper rotary kiln 1 and the lower rotary kiln 3, the upper rotary kiln 1 is used for treating the organic matters in the polluted soil, and the lower rotary kiln 3 is used for treating the heavy metals in the polluted soil, so that the removal of the two pollutants is realized through one device, and the occupied area of the device in the treatment process is saved; through setting up first material pouring plate 5, to upper rotary kiln 1, make soil and natural gas fully contact, be convenient for the removal of organic matter in the soil, through setting up second material pouring plate 6, to lower rotary kiln 3, spout into the medicament in to the soil through heavy metal stabilization medicament adding device 10, make soil and medicament intensive mixing, the abundant reaction has improved reaction efficiency.
2. According to the combined stabilization restoration device for the ectopic rotary kiln of the organic and heavy metal combined contaminated soil, the blanking channel 4 is provided with the weight sensor 7, and the addition of the heavy metal stabilization agent is accurately performed according to the measured weight, so that the restoration link control is facilitated; through the upper and lower layer design, the space is saved, and the popularization and the use of equipment are facilitated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an organic and heavy metal combined pollution soil dystopy rotary kiln joint stabilization prosthetic devices, includes upper rotary kiln (1), its characterized in that: the left side of upper rotary kiln (1) is provided with feeder hopper (2), the bottom of upper rotary kiln (1) is provided with lower floor's rotary kiln (3), be provided with unloading passageway (4) between upper rotary kiln (1) and lower floor's rotary kiln (3), upper rotary kiln (1) inside all is provided with first material pouring plate (5), lower floor's rotary kiln (3) inside all is provided with second material pouring plate (6), be provided with weight sensor (7) in unloading passageway (4), the front side of lower floor's rotary kiln (3) is provided with ejection of compact fill (8).
2. The combined stabilization restoration device for the ectopic rotary kiln for the organic and heavy metal combined contaminated soil, which is disclosed in claim 1, is characterized in that: the upper part of the discharging end of the lower rotary kiln (3) is communicated with a tail gas treatment system (9), and the right side wall of the discharging channel (4) is provided with a heavy metal stabilization medicament adding device (10).
3. The combined stabilization restoration device for the ectopic rotary kiln for the organic and heavy metal combined contaminated soil, which is disclosed in claim 1, is characterized in that: the first material pouring plates (5) are uniformly distributed in the upper rotary kiln (1), and the number of the first material pouring plates (5) exceeds five.
4. The combined stabilization restoration device for the ectopic rotary kiln for the organic and heavy metal combined contaminated soil, which is disclosed in claim 1, is characterized in that: the second material pouring plates (6) are uniformly distributed in the lower rotary kiln (3), and the number of the second material pouring plates (6) exceeds five.
5. The combined stabilization restoration device for the ectopic rotary kiln for the organic and heavy metal combined contaminated soil, which is disclosed in claim 1, is characterized in that: the first material pouring plate (5) and the second material pouring plate (6) are inclined to a certain extent along the feeding direction, and the upper rotary kiln (1) is a thermal desorption kiln.
6. The combined stabilization restoration device for the ectopic rotary kiln for the organic and heavy metal combined contaminated soil, which is characterized in that: the upper rotary kiln (1) is communicated with the lower rotary kiln (3) through a blanking channel (4), and the weight sensor (7) is electrically connected with the heavy metal stabilization medicament adding device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322222250.7U CN220837189U (en) | 2023-08-18 | 2023-08-18 | Combined stabilization restoration device for ectopic rotary kiln of organic and heavy metal combined contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322222250.7U CN220837189U (en) | 2023-08-18 | 2023-08-18 | Combined stabilization restoration device for ectopic rotary kiln of organic and heavy metal combined contaminated soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220837189U true CN220837189U (en) | 2024-04-26 |
Family
ID=90780529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322222250.7U Active CN220837189U (en) | 2023-08-18 | 2023-08-18 | Combined stabilization restoration device for ectopic rotary kiln of organic and heavy metal combined contaminated soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220837189U (en) |
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2023
- 2023-08-18 CN CN202322222250.7U patent/CN220837189U/en active Active
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