CN222132984U - Chemical oxidation-microorganism-thermal enhancement synergistic remediation equipment for organic polluted soil - Google Patents
Chemical oxidation-microorganism-thermal enhancement synergistic remediation equipment for organic polluted soil Download PDFInfo
- Publication number
- CN222132984U CN222132984U CN202420182038.4U CN202420182038U CN222132984U CN 222132984 U CN222132984 U CN 222132984U CN 202420182038 U CN202420182038 U CN 202420182038U CN 222132984 U CN222132984 U CN 222132984U
- Authority
- CN
- China
- Prior art keywords
- remediation
- air
- agent
- workshop
- supply device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims abstract description 61
- 239000000126 substance Substances 0.000 title claims abstract description 49
- 238000005067 remediation Methods 0.000 title claims abstract description 35
- 230000002195 synergetic effect Effects 0.000 title claims abstract 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 60
- 239000013043 chemical agent Substances 0.000 claims abstract description 23
- 230000000813 microbial effect Effects 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 54
- 239000003546 flue gas Substances 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000000605 extraction Methods 0.000 claims description 11
- 238000003795 desorption Methods 0.000 claims description 8
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 23
- 244000005700 microbiome Species 0.000 abstract description 9
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 description 101
- 239000003814 drug Substances 0.000 description 43
- 238000007789 sealing Methods 0.000 description 31
- 229940079593 drug Drugs 0.000 description 23
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 17
- 239000003344 environmental pollutant Substances 0.000 description 9
- 231100000719 pollutant Toxicity 0.000 description 9
- 235000015097 nutrients Nutrition 0.000 description 7
- 238000005496 tempering Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
本实用新型属于土壤修复技术领域，具体涉及一种有机污染土壤化学氧化‑微生物‑热强化协同修复装备，包括第一修复车间、化学药剂供给装置、微生物菌剂供给装置、搅拌均混装置以及高温空气供给装置；第一修复车间内设置有搅拌均混装置、高温空气喷口和药剂喷口，高温空气供给装置与高温空气喷口连通，化学药剂供给装置和微生物菌剂供给装置均与药剂喷口连通。本实用新型通过向第一修复车间通入高温空气促进化学药剂和微生物菌剂将难降解有机污染物分解成容易挥发性有机污染物以及将有机污染物从污染土壤中转移到空气中，通过高温空气与微生物、化学氧化协同修复易降解及中低浓度难降解有机污染土壤，能够提高修复效率，缩短修复工期。
The utility model belongs to the technical field of soil remediation, and specifically relates to a chemical oxidation-microorganism-heat-enhanced synergistic remediation equipment for organic contaminated soil, including a first remediation workshop, a chemical agent supply device, a microbial agent supply device, a stirring and mixing device, and a high-temperature air supply device; the first remediation workshop is provided with a stirring and mixing device, a high-temperature air nozzle, and an agent nozzle, the high-temperature air supply device is connected to the high-temperature air nozzle, and the chemical agent supply device and the microbial agent supply device are both connected to the agent nozzle. The utility model promotes chemical agents and microbial agents to decompose difficult-to-degrade organic pollutants into easily volatile organic pollutants and transfer organic pollutants from contaminated soil to air by introducing high-temperature air into the first remediation workshop, and synergistically remediates easily degradable and medium- and low-concentration difficult-to-degrade organic contaminated soils through high-temperature air, microorganisms, and chemical oxidation, which can improve the remediation efficiency and shorten the remediation period.
Description
Technical Field
The utility model belongs to the technical field of soil remediation, and particularly relates to organic contaminated soil chemical oxidation-microorganism-heat strengthening cooperative remediation equipment.
Background
Organic pollutants are pollutants commonly existing in soil in China, and cause great threat to ecological environment and resident health. The current organic contaminated soil remediation technology comprises chemical oxidation, microorganisms and thermal desorption, and is used for remediating high-concentration and degradation-resistant organic pollutants by using a thermal desorption technology, the high-concentration and degradation-resistant organic pollutants are thoroughly decomposed by consuming natural gas to generate a high-temperature environment, but the heat utilization rate of the conventional thermal desorption technology is lower, and a large amount of heat is taken away by high-temperature flue gas and is directly discharged into the atmosphere, so that great heat waste is caused. The common chemical oxidation and microorganism are used for the collaborative repair of the organic pollutants which are easy to degrade and difficult to degrade with medium and low concentration, but the repair speed is slower, and the requirements of the construction period of a polluted site cannot be met.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide the organic contaminated soil chemical oxidation-microorganism-heat strengthening cooperative repair equipment which is economical and efficient, convenient to operate, reasonable in structure, strong in adaptability and capable of being applied in engineering scale.
The technical scheme of the utility model is that the organic contaminated soil chemical oxidation-microorganism-thermal enhancement cooperative repair equipment comprises a first repair workshop, a chemical agent supply device, a microorganism bacterial agent supply device, a stirring and mixing device and a high-temperature air supply device, wherein a high-temperature air nozzle and a chemical agent nozzle are arranged at the top in the first repair workshop, the high-temperature air supply device is communicated with the high-temperature air nozzle, the chemical agent supply device and the microorganism bacterial agent supply device are communicated with the chemical agent nozzle, and the stirring and mixing device is also arranged in the first repair workshop.
Further, the stirring and mixing device comprises a movable pulley, a motor and a stirrer, wherein a top beam is arranged at the top of the first repair workshop, the movable pulley is slidably mounted on the top beam, the motor is mounted on the movable pulley through a bracket, and an output shaft of the motor is connected with the stirrer.
Further, the chemical agent supply device comprises a first agent tank for providing chemical agent, the first agent tank is communicated with the agent nozzle through a first agent pump, and a first metering valve is arranged on a pipeline between the first agent tank and the first agent pump.
Further, the microbial agent supply device comprises a second agent tank for providing microbial agents, the second agent tank is communicated with the agent nozzle through a second agent pump, and a second metering valve is distributed on a pipeline between the second agent tank and the second agent pump.
Further, the high-temperature air supply device comprises an air heating bin, the air heating bin is provided with an air inlet and an air outlet, the air inlet is communicated with the atmosphere through a second air extracting pump, and the air outlet is communicated with the high-temperature air nozzle through a pipeline.
Still further, the air heating bin is arranged in the high-temperature flue gas bin, one end of the high-temperature flue gas bin is provided with a high-temperature flue gas inlet, the other end of the high-temperature flue gas bin is provided with a high-temperature flue gas outlet, the high-temperature flue gas inlet is communicated with a high-temperature flue gas exhaust barrel of the thermal desorption system through a first air extracting pump, and the high-temperature flue gas outlet is communicated with the tail gas treatment unit.
Further, the apparatus further comprises a second repair shop, the first repair shop being arranged in the second repair shop.
Still further, the first repair shop and the second repair shop are communicated with the tail gas treatment unit through a negative pressure extraction device.
Still further, negative pressure extraction device includes third aspiration pump and fourth aspiration pump, the top of first repair workshop is passed through the third aspiration pump with tail gas treatment device's air inlet intercommunication, the second repair workshop is passed through the fourth aspiration pump with tail gas treatment device's air inlet intercommunication.
Still further, the bottom of first repair shop is provided with first sealing door, the department of second repair shop is last to correspond first sealing door's position is provided with the second sealing door, the outside of second sealing door is provided with the third sealing door.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the chemical agent and the microbial agent are sprayed into the easily degradable and medium-low concentration hardly degradable organic polluted soil through the chemical agent supply device and the microbial agent supply device, the organic polluted soil is uniformly stirred through the stirring and mixing device, the high-temperature air is introduced into the first repair workshop to heat the organic polluted soil, the decomposition of the hardly degradable organic pollutants into easily volatile organic pollutants and the transfer of the organic pollutants from the polluted soil to the air are promoted, the easily degradable and medium-low concentration hardly degradable organic polluted soil is repaired through the cooperation of the high-temperature air, the microorganisms and the chemical oxidation, the repair efficiency can be improved, and the repair period is shortened;
(2) According to the utility model, the second repair workshop is covered outside the first repair workshop, so that the possibility of leakage of pollutants into the environment can be reduced, and the safety and reliability of the whole repair system are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a chemically oxidized-microorganism-heat strengthened cooperative repair device for organic contaminated soil according to an embodiment of the present utility model;
In the figure, 1, a high-temperature flue gas exhaust drum; 2, a first air pump; the device comprises a first stop valve, a second air pump, a first flow meter, a 6 high-temperature flue gas bin, a 7 high-temperature flue gas inlet, a 8 first multi-parameter monitor, a 9 high-temperature flue gas outlet, a 10 air heating bin, a 11 air inlet, a 12 second multi-parameter monitor, a 13 first repair shop, a 14 second repair shop, a 15 high-temperature air standpipe, a 16 high-temperature air transverse pipe, a 17 high-temperature air nozzle, a 18 medicament nozzle, a 19 third multi-parameter monitor, a 20 fourth multi-parameter monitor, a 21 moving pulley, a22, a motor, a 23, a stirrer, a 24 first sealing door, a 25, a second sealing door, a 26 third sealing door, a 27, a third sealing door, a 28, a second flow meter, a 29, a fourth pump, a 30, a third flow meter, a 31, an exhaust treatment device, a 32, a second stop valve, a 33, a fifth air pump, a 34, an exhaust stack, a 35, a first medicament pump, a 36, a first metering valve, a 37, a third metering valve, a 38, a third medicament pump, a third metering tank, a 40, a third medicament pump, a third medicament tank, a 43 and a third medicament tank.
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.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature, and in the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in FIG. 1, the embodiment provides a chemical oxidation-microorganism-thermal enhancement cooperative repair device for organic contaminated soil, which comprises a first repair workshop 13, a chemical agent supply device, a microorganism bacterium agent supply device, a stirring and mixing device and a high-temperature air supply device, wherein a high-temperature air nozzle 17 and a medicament nozzle 18 are arranged at the top in the first repair workshop 13, the high-temperature air supply device is communicated with the high-temperature air nozzle 17, the chemical agent supply device and the microorganism bacterium agent supply device are communicated with the medicament nozzle 18, and the stirring and mixing device is also arranged in the first repair workshop 13. According to the embodiment, the chemical agent and the microbial agent are sprayed into the easily degradable and medium-low concentration difficultly degradable organic contaminated soil through the chemical agent supply device and the microbial agent supply device, the organic contaminated soil is uniformly stirred through the stirring and mixing device, the high-temperature air is introduced into the first repair workshop 13 to heat the organic contaminated soil, the chemical agent and the microbial agent are promoted to decompose the difficultly degradable organic pollutants into easily volatile organic pollutants, the organic pollutants are transferred into the air from the contaminated soil, and the easily degradable and medium-low concentration difficultly degradable organic contaminated soil is repaired through the cooperation of the high-temperature air, the microorganisms and the chemical oxidation, so that the repair efficiency can be improved, and the repair period is shortened.
Optimizing the above embodiment, the stirring and mixing device comprises a movable pulley 21, a motor 22 and a stirrer 23, wherein a top beam is arranged at the top of the first repair shop 13, the movable pulley 21 is slidably mounted on the top beam, the motor 22 is mounted on the movable pulley 21 through a bracket, and an output shaft of the motor 22 is connected with the stirrer 23. Specifically, the top beam may be i-steel, the two moving pulleys 21 are respectively slidably mounted on the lower flange plates at two sides of the web plate of the i-steel, and the rotating shafts of the two moving pulleys 21 are rotationally connected with the bracket, and the moving pulleys 21 move along the i-steel, so as to drive the motor 22 and the stirrer 23 to move along the top beam, stir the organic contaminated soil in the first repair shop 13, and promote the organic contaminants to be continuously transferred from the soil to the air. In this embodiment, a plurality of stirring and mixing devices may be disposed at intervals in the first repair shop 13 according to the size of the first repair shop 13.
Further, the chemical supply device includes a first chemical tank 37 for supplying chemical, the first chemical tank 37 communicates with the chemical nozzle 18 through a first chemical pump 35, and a first metering valve 36 is disposed on a pipe between the first chemical tank 37 and the first chemical pump 35. Specifically, the drug outlet of the first drug tank 37 is connected to the drug inlet of the first drug pump 35 through a pipe, and a first metering valve 36 is disposed on the pipe between the first drug tank 37 and the first drug pump 35.
Further, the microbial agent supply device includes a second agent tank 40 for providing microbial agent, the second agent tank 40 is communicated with the agent nozzle 18 through a second agent pump 38, and a second metering valve 39 is arranged on a pipeline between the second agent tank 40 and the second agent pump 38. Specifically, the drug outlet of the second drug tank 40 is connected to the drug inlet of the second drug pump 38 through a pipe, and a second metering valve 39 is disposed on the pipe between the second drug tank 40 and the second drug pump 38.
Further, the apparatus further comprises a nutrient solution supply device comprising a third medicament tank 43 for providing a nutrient solution, the third medicament tank 43 being in communication with the medicament spout 18 via a third medicament pump 41. Specifically, the drug outlet of the third drug tank 43 is connected to the drug inlet of the third drug pump 41 through a pipe, a third metering valve 42 is disposed on the pipe between the third drug tank 43 and the third drug pump 41, and the drug outlets of the first drug pump 35, the second drug pump 38, and the third drug pump 41 are connected to the drug spout 18 through pipes.
In one embodiment, the high-temperature air supply device comprises an air heating bin 10, wherein the air heating bin 10 is provided with an air inlet 11 and an air outlet, the air inlet 11 is communicated with the atmosphere through a second air extraction pump 4, and the air outlet is communicated with the high-temperature air nozzle 17 through a pipeline. Wherein, the air heating bin 10 is a stainless steel sealing bin body.
Further, a high-temperature air supply pipeline is arranged in the first repair workshop 13, the high-temperature air supply pipeline comprises a high-temperature air vertical pipe 15 and a high-temperature air horizontal pipe 16, the high-temperature air vertical pipe 15 is arranged on the inner side surface around the first repair workshop 13, the bottom end of the high-temperature air vertical pipe 15 is communicated with the air outlet, the top end of the high-temperature air vertical pipe 15 is communicated with the high-temperature air horizontal pipe 16, and a high-temperature air nozzle 17 is arranged on the lower surface of the high-temperature air horizontal pipe 16. The high-temperature air vertical pipes 15 and the high-temperature air horizontal pipes 16 are hollow stainless steel pipes, and in one embodiment, the two ends of the air heating bin 10 are connected with the high-temperature air vertical pipes 15, and the two ends of the high-temperature air horizontal pipes 16 are respectively connected with the high-temperature air vertical pipes 15 on two sides. According to the size of the first repair shop 13, a plurality of high-temperature air transverse pipes 16 may be disposed at intervals in the first repair shop 13, and two ends of each high-temperature air transverse pipe 16 are communicated with the air heating cabin 10 through a high-temperature air vertical pipe 15.
Further, the air heating bin 10 is arranged in the high-temperature flue gas bin 6, one end of the high-temperature flue gas bin 6 is provided with a high-temperature flue gas inlet 7, the other end of the high-temperature flue gas bin 6 is provided with a high-temperature flue gas outlet 9, the high-temperature flue gas inlet 7 is communicated with the high-temperature flue gas exhaust barrel 1 of the thermal desorption system through the first air pump 2, and the high-temperature flue gas outlet 9 is communicated with the tail gas treatment unit. Wherein, the high temperature flue gas bin 6 is a stainless steel sealed bin body. In this embodiment, the high-temperature flue gas of the thermal desorption system is used as a heat source, and the high-temperature flue gas exchanges heat with the air in the air heating bin 10, so that the temperature of the air entering the first repair shop 13 is increased, the volatilization and decomposition of organic pollutants are accelerated, the repair effect is improved, and the heat in the high-temperature flue gas generated in the thermal desorption process can be recovered and reused, so that the influence on the environment is reduced.
Further, the air inlet of the first air pump 2 is connected with the high-temperature flue gas exhaust funnel 1 through a pipeline, the air outlet of the first air pump 2 is connected with the high-temperature flue gas inlet 7 through a pipeline, and a first stop valve 3 is connected on the pipeline between the first air pump 2 and the high-temperature flue gas inlet 7.
As shown in fig. 1, a first multi-parameter monitor 8 is arranged in the high-temperature flue gas bin 6, the first multi-parameter monitor 8 is used for real-time monitoring of the temperature and the pressure in the high-temperature flue gas bin 6, a second multi-parameter monitor 12 is arranged in the air heating bin 10, and the second multi-parameter monitor 12 is used for real-time monitoring of the temperature and the pressure in the air heating bin 10.
Further, the apparatus further comprises a second repair shop 14, said first repair shop 13 being arranged within said second repair shop 14. In this embodiment, the second repair shop 14 is covered outside the first repair shop 13, so that the possibility of leakage of pollutants into the environment can be reduced, and the safety and reliability of the whole repair system can be improved.
In the embodiment, the first repair shop 13 and the second repair shop 14 are steel structure sealed greenhouses, so that the pollution gas in the first repair shop 13 is prevented from leaking, the influence on the surrounding environment is reduced, the first repair shop 13 and the second repair shop 14 are uniformly distributed above the high-temperature flue gas bin 6, and the first repair shop 13 is arranged in the second repair shop 14.
The above embodiment is optimized, and the first repair shop 13 and the second repair shop 14 are communicated with an exhaust gas treatment unit through a negative pressure extraction device. In the embodiment, the negative pressure extraction device ensures that the first repair shop 13 and the second repair shop 14 always maintain a negative pressure environment in the repair process, and organic pollutants are prevented from being diffused into the outside air.
Specifically, the negative pressure extraction device comprises a third air pump 27 and a fourth air pump 29, wherein an air inlet of the third air pump 27 is communicated with the top of the first repair shop 13, an air outlet of the third air pump 27 is communicated with an air inlet of the tail gas treatment unit, an air inlet of the fourth air pump 29 is communicated with the top of the second repair shop 14, and an air outlet of the fourth air pump 29 is communicated with an air inlet of the tail gas treatment unit. Further, a second flowmeter 28 is disposed between the air outlet of the third air pump 27 and the air inlet of the exhaust gas treatment unit, and a third flowmeter 30 is disposed between the air outlet of the fourth air pump 29 and the air inlet of the exhaust gas treatment unit.
Further, a first sealing door 24 is arranged at the bottom of the first repair shop 13, a second sealing door 25 is arranged at the position, corresponding to the first sealing door 24, of the second repair shop 14, a third sealing door 26 is arranged at the outer side of the second sealing door 25, sealing performance of the repair shop is enhanced, and organic pollution gas is prevented from escaping into the air.
In this embodiment, a third multi-parameter monitor 19 is disposed in the first repair shop 13, the third multi-parameter monitor 19 is disposed at the top of the first repair shop 13 and is used for monitoring the concentration, pressure and temperature of the pollutants in the first repair shop 13 in real time, a fourth multi-parameter monitor 20 is disposed in the second repair shop 14, and the fourth multi-parameter monitor 20 is disposed at the top of the second repair shop 14 and is used for monitoring the concentration, pressure and temperature of the pollutants in the second repair shop 14 in real time.
Further, the exhaust gas treatment unit includes an exhaust gas treatment device 31 and an exhaust gas exhaust pipe 34, the high-temperature flue gas outlet 9 of the high-temperature flue gas supply device, the first repair shop 13 and the second repair shop 14 are all communicated with the air inlet of the exhaust gas treatment device 31, and the air outlet of the exhaust gas treatment device 31 is communicated with the exhaust gas exhaust pipe 34 through a fifth air pump 33. Specifically, the high-temperature flue gas outlet 9, the air outlet of the second flowmeter 28, and the third flowmeter 30 are respectively communicated with the air inlet of the exhaust gas treatment device 31 through pipes, the air outlet of the exhaust gas treatment device 31 is communicated with the air inlet of the fifth air pump 33 through pipes, the air outlet of the fifth air pump 33 is communicated with the exhaust gas exhaust pipe 34 through pipes, and a second stop valve 32 is arranged between the exhaust gas treatment device 31 and the pipes between the fifth air pumps 33.
The organic contaminated soil chemical oxidation-microorganism-heat strengthening cooperative remediation equipment of the present embodiment further includes a control device including a pipeline collector and a central control computer, one end of the pipeline collector is connected to the first air pump 2, the first stop valve 3, the second air pump 4, the first flowmeter 5, the first multiparameter monitor 8, the second multiparameter monitor 12, the third multiparameter monitor 19, the fourth multiparameter monitor 20, the motor 22, the stirrer 23, the first sealing door 24, the second sealing door 25, the third sealing door 26, the third air pump 27, the second flowmeter 28, the fourth air pump 29, the third flowmeter 30, the tail gas treatment device 31, the second stop valve 32, the fifth air pump 33, the first medicine pump 35, the first metering valve 36, the first medicine tank 37, the second medicine pump 38, the second metering valve 39, the second medicine tank 40, the third medicine pump 41, the third metering valve 42 and the third medicine tank 43 through pipelines, and the other end of the pipeline collector is connected to the central control computer through pipelines.
The organic contaminated soil is restored by adopting the organic contaminated soil chemical oxidation-microorganism-heat strengthening cooperative restoration equipment of the embodiment, wherein the restoration process comprises a contaminated soil pretreatment process, a contaminated soil filling process, a restoration parameter setting and regulating process, a high-temperature flue gas and high-temperature air supply process, a medicament supply process, a stirring and mixing restoration process, a negative pressure extraction process, a tail gas treatment process and a post-restoration soil acceptance and transportation process.
The pretreatment process of the polluted soil comprises the steps of excavating, crushing and sieving the organic polluted soil to be repaired, and removing impurities such as stones and plastics in the polluted soil for later use.
And in the contaminated soil filling process, the third sealing door 26, the second sealing door 25 and the first sealing door 24 are respectively opened, the pretreated organic contaminated soil is conveyed into the first repair workshop 13 by adopting a forklift, the contaminated soil is piled and formed by adopting a digger, and then the first sealing door 24, the second sealing door 25 and the third sealing door 26 are closed.
The repair parameters are set and regulated by firstly combining the organic pollutant types, pollutant concentrations and repair target values in the soil, determining the technological parameters required by a high-temperature flue gas and high-temperature air supply process, a medicament supply process, a negative pressure extraction process, a tail gas treatment process, a stirring and mixing repair process and the like, then powering on a pipeline collector and a central control computer, inputting the determined technological parameters of each repair process into the pipeline collector and the central control computer, and then completing the repair process according to the following processes, wherein the pipeline collector and the central control computer accurately monitor each repair process in the repair process, and accurately regulate and regulate each repair parameter.
The high-temperature flue gas and high-temperature air supply process comprises the steps of respectively powering on and starting a first air pump 2, a first stop valve 3, a second air pump 4 and a first flowmeter 5, wherein the first air pump 2 pumps out the high-temperature flue gas in the high-temperature flue gas exhaust drum 1, and the high-temperature gas enters a high-temperature flue gas bin 6 through the first stop valve 3 and a high-temperature flue gas inlet 7 for temporary storage. The second aspiration pump 4 pumps out normal temperature air from the atmosphere, the normal temperature air enters the air heating bin 10 through the first flowmeter 5, the high temperature flue gas in the high temperature flue gas bin 6 heats the normal temperature air in the air heating bin 10 through heat exchange, and the first multi-parameter monitor 8 and the second multi-parameter monitor 12 monitor the temperature and the pressure of the high temperature flue gas bin 6 and the air heating bin 10 respectively.
The high temperature heating process is that the high temperature air in the air heating bin 10 sequentially enters the high temperature air vertical pipe 15 and the high temperature air transverse pipe 16, the high temperature air is sprayed into the surface of the polluted soil in the first repair workshop 13 through the high temperature air nozzle 17, the high temperature air heats the polluted soil in the first repair workshop 13, and the decomposition of the organic pollutants which are difficult to degrade into volatile organic pollutants and the transfer of the organic pollutants from the polluted soil to the air are promoted by chemical agents and microbial agents.
The chemical supply process comprises the steps of respectively starting a first chemical pump 35, a first metering valve 36, a first chemical tank 37, a second chemical pump 38, a second metering valve 39, a second chemical tank 40, a third chemical pump 41, a third metering valve 42 and a third chemical tank 43 by electric power, wherein the first chemical pump 35 pumps out chemical from the first chemical tank 37, the first metering valve 36 meters out the volume of the pumped chemical, the second chemical pump 38 pumps out microbial agent from the second chemical tank 40, the second metering valve 39 meters out the volume of the pumped microbial agent, the third chemical pump 41 pumps out nutrient solution from the third chemical tank 43, the third metering valve 42 meters out the volume of the pumped nutrient solution, and the pumped chemical, microbial agent and nutrient solution are uniformly sprayed on the polluted surface of the workshop sprayed into the first repair 13 through the chemical spray nozzles 18;
The uniform mixing repair process comprises the steps of powering on a movable pulley 21, a motor 22 and a stirrer 23, enabling the movable pulley 21 to drive the motor 22 and the stirrer 23 to continuously move on a top beam of the first repair workshop 13, enabling the motor 22 to rotate to drive the stirrer 23 to uniformly stir chemical agents, microbial agents, nutrient solutions and polluted soil, enabling the chemical agents, microbial agents, nutrient solutions and pollutants in the polluted soil to undergo decomposition, oxidation and activation reactions under the reinforcement of high-temperature air, decomposing the organic pollutants difficult to degrade into organic pollutants easy to be volatile, and enabling the organic pollutants to be continuously transferred from the soil to the air.
The negative pressure extraction process comprises the steps of powering on a third multi-parameter monitor 19, a fourth multi-parameter monitor 20, a third air pump 27, a second flowmeter 28, a fourth air pump 29 and a third flowmeter 30, wherein the third air pump 27 continuously pumps out air in the first repair shop 13, and the second flowmeter 28 meters the volume of air pumped out by the third air pump 27. The fourth pump 29 continuously pumps out air in the second repair shop 14, and the third flowmeter 30 measures the volume of air pumped out by the fourth pump 29 at all times. The third multi-parameter monitor 19 measures the pollutant concentration, pressure and temperature in the first repair shop 13 at the moment, the fourth multi-parameter monitor 20 measures the pollutant concentration, pressure and temperature in the second repair shop 14 at the moment, the first repair shop 13 and the second repair shop 14 always keep negative pressure environment in the repair process, the air pressure in the first repair shop 13 is lower than the air pressure in the second repair shop 14, and organic pollutants are effectively prevented from being diffused into the outside air.
In the tail gas treatment process, a tail gas treatment device 31, a second stop valve 32 and a fifth air pump 33 are powered and started, high-temperature flue gas of a high-temperature flue gas bin 6 is discharged into the tail gas treatment device 31 through a pipeline through a high-temperature flue gas outlet 9, the third air pump 27 and the fourth air pump 29 respectively discharge polluted air of a first repair shop 13 and a second repair shop 14 into the tail gas treatment device 31, the tail gas treatment device 31 carries out multi-stage dust removal, pyrolysis, catalytic oxidation and other modes to treat the tail gas to reach the standard, and the fifth air pump 33 discharges the standard tail gas into a tail gas exhaust barrel 34 through the second stop valve 32.
And (3) checking, accepting and transferring the repaired soil, namely opening a third sealing door 26, a second sealing door 25 and a first sealing door 24, taking a representative soil sample for detection, and transferring and utilizing the repaired and qualified polluted soil if the repair of the polluted soil is up to the standard. If the contaminated soil restoration does not reach the standard, the first sealing door 24, the second sealing door 25 and the third sealing door 26 are closed, and the restoration process is repeated until the contaminated soil restoration reaches the standard.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420182038.4U CN222132984U (en) | 2024-01-25 | 2024-01-25 | Chemical oxidation-microorganism-thermal enhancement synergistic remediation equipment for organic polluted soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420182038.4U CN222132984U (en) | 2024-01-25 | 2024-01-25 | Chemical oxidation-microorganism-thermal enhancement synergistic remediation equipment for organic polluted soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222132984U true CN222132984U (en) | 2024-12-10 |
Family
ID=93736901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420182038.4U Active CN222132984U (en) | 2024-01-25 | 2024-01-25 | Chemical oxidation-microorganism-thermal enhancement synergistic remediation equipment for organic polluted soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222132984U (en) |
-
2024
- 2024-01-25 CN CN202420182038.4U patent/CN222132984U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102059247B (en) | Vehicle-mounted repairing equipment and method for polluted site soil and underground water body | |
| CN203196987U (en) | Anaerobic-aerobiotic compatible biological slurry reactor | |
| CN106077067A (en) | A kind of mud fever that pollutes resolves prosthetic device | |
| CN111438177A (en) | A system for synergistic remediation of petroleum hydrocarbon-contaminated soil by chemical oxidation and microorganisms | |
| CN113182335A (en) | Extraction driving in-situ oxidation repair system | |
| CN205628904U (en) | Be used for polluting prosthetic device of soil normal position | |
| CN222132984U (en) | Chemical oxidation-microorganism-thermal enhancement synergistic remediation equipment for organic polluted soil | |
| CN203437406U (en) | Simulation test device for advanced ex-situ contaminated soil oxidation remediation through superheated steam activation of persulfate | |
| CN215314705U (en) | Microbial remediation equipment suitable for contaminated soil | |
| CN114042742A (en) | A kind of biological method soil remediation system and soil remediation method | |
| CN210885523U (en) | Constructed wetland flocculating agent adds device | |
| CN222491480U (en) | Organic contaminated soil enhanced desorption repair system | |
| CN209439181U (en) | Organic Contaminated Soil Purification Device | |
| CN219848671U (en) | Biochemical treatment equipment for VOCs (volatile organic compounds) in internal mixing waste gas of tire | |
| CN206500435U (en) | Apparatus of oxygen supply is repaired in a kind of contaminated soil elution | |
| CN208879339U (en) | A kind of new-type mortar reactor for soil remediation | |
| CN109775946A (en) | Vehicle-mounted oily sludge microbial degradation and aeration-extraction treatment device and method | |
| CN213223748U (en) | Box normal position injection system of organic contaminated soil and groundwater of restoration | |
| CN212041989U (en) | Novel distributed organic waste aerobic fermentation equipment | |
| CN113087039B (en) | Intelligent integrated sewage treatment machine | |
| CN211972163U (en) | Horizontal elimination type kitchen waste treatment equipment | |
| CN215143333U (en) | Injection system for polluted soil | |
| CN112090944A (en) | Soil pollutant processing apparatus | |
| CN112676334A (en) | Device and method for restoring organic contaminated soil by chemical pre-oxidation coupled biological reactor | |
| CN107792930A (en) | A kind of water pollution control acid-base neutralization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |