CN115846386B - VOC remove device for organic contaminated soil repair - Google Patents
VOC remove device for organic contaminated soil repair Download PDFInfo
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- CN115846386B CN115846386B CN202310070084.5A CN202310070084A CN115846386B CN 115846386 B CN115846386 B CN 115846386B CN 202310070084 A CN202310070084 A CN 202310070084A CN 115846386 B CN115846386 B CN 115846386B
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- 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
Abstract
The invention provides a VOC removing device for repairing organic polluted soil, wherein a reaction barrel is arranged on a mounting base, an air blowing pipe is arranged on the upper disc of the inner bottom surface of the reaction barrel, and a first air outlet pipe is arranged at the top of the reaction barrel; the soil taking and backfilling mechanism is provided with a feeding end and a discharging end, the feeding end is arranged below the reaction barrel, and the discharging end is arranged in the reaction barrel; the air supply mechanism is arranged on the mounting base and connected with the air blowing pipe, so that the air blowing pipe blows hot air to the soil in the reaction barrel; air in the reaction barrel can enter the concentration mechanism; the concentrated VOC gas enters a combustion mechanism and is combusted. According to the invention, the reaction barrel is arranged, and the air blowing pipe is arranged in the reaction barrel and connected with the air supply mechanism, so that the hot air containing VOC can not escape into the air, but can be concentrated by the concentration mechanism, then VOC gas enters the combustion mechanism for combustion, and finally is discharged, thereby reducing the pollution of the VOC gas to the air and being more environment-friendly.
Description
Technical Field
The invention belongs to the technical field of regeneration of polluted soil, and particularly relates to a VOC removing device for repairing organic polluted soil.
Background
With the development of society and industry, the soil structure and the ecological environment are seriously damaged, and the quality of groundwater is deteriorated, so that not only is the agricultural production influenced, but also huge threat is brought to human beings and the ecological environment, and therefore, soil remediation is an important task to be solved urgently. The primary pollution is heavy metal pollution and the secondary pollution is organic matter pollution.
The main categories of organic contaminants in soil include: petroleum hydrocarbon pollutants, halogenated hydrocarbon pollutants, pesticide pollutants, polycyclic aromatic hydrocarbons, polychlorinated biphenyls, dioxins, phthalic acid esters and other organic pollutants. Among them, polycyclic Aromatic Hydrocarbons (PAHs) pollution of soil has become a common problem.
In the prior art, when organic matters in polluted soil are removed, pipelines are buried in the soil, hot air is blown into the soil, and the organic matters are discharged from the soil in the form of VOC, but in the technology, although the soil is restored to a certain extent, VOC gas pollutes the atmosphere, so that the technology is not environment-friendly.
Disclosure of Invention
The invention aims to provide a VOC removing device for repairing organic polluted soil, which is used for repairing the organic polluted soil more environmentally.
In order to achieve the above purpose, the invention adopts the following technical scheme: the VOC removing device for repairing the organic polluted soil comprises a mounting base, a reaction barrel, a soil taking and backfilling mechanism, an air supply mechanism, a concentration mechanism and a combustion mechanism, wherein the reaction barrel is arranged on the mounting base, an air blowing pipe is arranged on the upper disc of the inner bottom surface of the reaction barrel, and a first air outlet pipe is arranged at the top of the reaction barrel; the soil taking and backfilling mechanism is provided with a feeding end and a discharging end, the feeding end is arranged below the reaction barrel, the discharging end is arranged in the reaction barrel, the soil taking and backfilling mechanism has two modes, and in the first mode, the soil taking and backfilling mechanism can convey soil below the reaction barrel; in a second mode, the soil taking and backfilling mechanism can backfill soil in the reaction barrel; the air supply mechanism is arranged on the mounting base and is connected with the air blowing pipe, so that the air blowing pipe blows hot air to soil in the reaction barrel; the concentration mechanism is provided with a first air inlet pipe, a second air outlet pipe and a third air outlet pipe, the first air inlet pipe is connected with the first air outlet pipe, and air in the reaction barrel can enter the concentration mechanism; the combustion mechanism is provided with a second air inlet pipe and a fourth air outlet pipe, and the second air inlet pipe is connected with the second air outlet pipe, so that the concentrated VOC gas enters the combustion mechanism and is combusted.
In a possible implementation manner, the soil taking and backfilling mechanism comprises a transverse pipe, a connecting pipe, a first spiral conveying rod and a first motor, wherein the connecting pipe is arranged at the bottom of the reaction barrel, the connecting pipe is communicated with the inside of the reaction barrel, the connecting pipe is vertically arranged, one end of the transverse pipe is communicated with the connecting pipe, the transverse pipe is horizontally arranged, the first motor is arranged on the transverse pipe, the first spiral conveying rod is arranged in the transverse pipe, one end of the first spiral conveying rod is connected with the power output end of the first motor, the first motor can positively rotate to convey soil into the reaction barrel, and the first motor can reversely rotate to convey soil in the reaction barrel out of the reaction barrel.
In one possible implementation, the other end of the first screw conveyor rod protrudes beyond the cross tube with respect to the end connected to the first motor.
In one possible implementation, a stirring assembly is provided within the reaction tank.
In one possible implementation manner, the stirring assembly comprises a vertical pipe, a second spiral conveying rod and a second motor, the second spiral conveying rod is rotationally arranged in the vertical pipe, the second motor is arranged at the top end of the vertical pipe, the top end of the second spiral conveying rod is connected with the power output end of the second motor, a feeding hole is formed in the position, close to the bottom, of the vertical pipe, and a discharging hole is formed in the position, close to the top end, of the vertical pipe.
In a possible implementation manner, the top end of the vertical pipe extends out to the top of the reaction barrel, the outer diameter of the vertical pipe is the same as the inner diameter of the connecting pipe, the vertical pipe is arranged in a sliding manner, a locking component is arranged between the vertical pipe and the reaction barrel, and the vertical pipe is fixed relative to the reaction barrel when the locking component is locked; when the locking component is unlocked, the vertical pipe can slide relative to the reaction barrel, when the soil taking and backfilling mechanism is in a first state, part of the vertical pipe stretches into the connecting pipe, and the bottom end of the vertical pipe stretches to the joint of the connecting pipe and the transverse pipe; when the soil taking and backfilling mechanism is in the second state, the bottom surface of the vertical pipe is flush with the top surface of the connecting pipe.
In one possible implementation manner, the connecting pipe is provided with a jack, the jack is communicated with the connecting pipe, the width of the jack is the same as the inner diameter of the connecting pipe, the bottom of the reaction barrel is provided with a guide plate, the guide plate is provided with a slot, the slot is communicated with the jack, a plugboard is arranged in the slot, and the plugboard can plug the connecting pipe.
In a possible implementation manner, the locking assembly comprises a lifting rod, a fixing piece, a driven gear, a driving gear and a third motor, wherein the lifting rod is L-shaped, one end of the lifting rod is connected to the vertical pipe, the other end of the lifting rod extends out of the upper portion of the reaction barrel, the fixing piece is arranged at the top of the reaction barrel, a convex-shaped installation cavity is formed in the fixing piece, a connecting hole is formed in one side of the fixing piece, the driven gear is rotationally arranged in the installation cavity, part of the driven gear extends out of the fixing piece through the connecting hole, the driving gear is meshed with the driven gear, the driven gear is connected to the power output end of the third motor, a threaded hole is formed in the driven gear, the lifting rod is in threaded connection with the threaded hole, and the top end of the lifting rod extends out of the fixing piece.
In a possible implementation manner, a filter plate is arranged in the reaction barrel, the filter plate is in a funnel shape, the filter plate is arranged above the air blowing pipe, the outer side wall of the filter plate is connected with the inner wall of the reaction barrel, the bottom end of the filter plate is abutted to the bottom surface of the reaction barrel, so that the filter plate and the inner wall of the reaction barrel enclose an air blowing cavity, and the air blowing pipe is arranged in the air blowing cavity.
In a possible implementation manner, a first heat exchange tube is wound on the outer wall of the combustion mechanism, the air supply mechanism comprises an air duct, an air pump and a heating element, the air duct is connected with the air blowing pipe, the air duct is connected with the output end of the air pump, the heating element is arranged on the air duct, a second heat exchange tube is wound on the outer wall of the air duct, the first heat exchange tube is connected with two ends of the second heat exchange tube respectively, a circulating element is arranged on the first heat exchange tube, a heat exchange medium is arranged in the first heat exchange tube and the second heat exchange tube, and the circulating element can drive the heat exchange medium to circulate in the first heat exchange tube and the second heat exchange tube.
The VOC removing device for repairing organic contaminated soil has the beneficial effects that: compared with the prior art, the reaction barrel is provided, the air blowing pipe is arranged in the reaction barrel, and the air blowing pipe is connected with the air supply mechanism, so that the hot air containing VOC can not escape into the air, but firstly, the hot air is concentrated by the concentration mechanism, then VOC gas enters the combustion mechanism for combustion, and finally, the VOC gas is discharged, thereby reducing the pollution of the VOC gas to the air and being more environment-friendly; and by arranging the soil taking and backfilling mechanism, the contaminated soil can be conveniently conveyed into the reaction barrel and backfilled after the treatment is finished, and the labor intensity of workers is effectively reduced relative to manual soil taking and backfilling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, 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 view of an angle structure of a VOC removing device for repairing organic contaminated soil according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of another angle structure of the VOC removing apparatus for repairing organic contaminated soil according to an embodiment of the present invention;
FIG. 4 is a plan view of the reaction barrel in a first state according to an embodiment of the present invention;
fig. 5 is an enlarged view of a portion B of fig. 4;
FIG. 6 is a plan view of the reaction barrel in a second state according to the embodiment of the present invention;
FIG. 7 is a schematic view of the bottom of a reaction tank according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a stirring assembly according to an embodiment of the present invention.
Wherein, each reference sign is as follows in the figure:
1. a mounting base; 2. a reaction barrel; 3. a soil taking and backfilling mechanism; 4. a gas supply mechanism; 5. a concentrating mechanism; 6. a combustion mechanism;
201. an air blowing pipe; 202. a first air outlet pipe; 203. a stirring assembly; 204. a standpipe; 205. a second screw conveyor rod; 206. a second motor; 207. a feed inlet; 208. a discharge port; 210. a lifting rod; 211. a fixing member; 212. a driven gear; 213. a drive gear; 214. a third motor; 215. a filter plate;
301. a transverse tube; 302. a connecting pipe; 303. a first motor; 304. a first screw conveyor rod; 305. a jack; 306. a guide plate; 307. a slot; 308. inserting plate;
401. a first heat exchange tube; 402. an air duct; 403. an air pump; 404. a heating member; 405. a second heat exchange tube; 406. a circulation member;
501. a first air inlet pipe; 502. a second air outlet pipe; 503. and a third air outlet pipe.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be further noted that the drawings and embodiments of the present invention mainly describe the concept of the present invention, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present invention.
When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The terms "first," "second," and "second" 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. In the description of the present invention, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.
The VOC removing apparatus for repairing organic contaminated soil provided by the present invention will now be described.
Referring to fig. 1 and 3, the VOC removing apparatus for repairing organic contaminated soil includes a mounting base 1, a reaction barrel 2, a soil sampling and backfilling mechanism 3, an air supply mechanism 4, a concentration mechanism 5 and a combustion mechanism 6, wherein the reaction barrel 2 is disposed on the mounting base 1, a blowing pipe 201 is disposed on an inner bottom surface of the reaction barrel 2, and a first air outlet pipe 202 is disposed at a top of the reaction barrel 2. The soil taking and backfilling mechanism 3 is provided with a feeding end and a discharging end, the feeding end is arranged below the reaction barrel 2, the discharging end is arranged in the reaction barrel 2, the soil taking and backfilling mechanism 3 is provided with two modes, and in the first mode, the soil taking and backfilling mechanism 3 can convey soil below the reaction barrel 2. In the second mode, the soil taking and backfilling mechanism 3 can backfill the soil in the reaction barrel 2.
The air supply mechanism 4 is arranged on the mounting base 1, and the air supply mechanism 4 is connected with the air blowing pipe 201, so that the air blowing pipe 201 blows hot air to soil in the reaction barrel 2. The concentration mechanism 5 has a first air inlet pipe 501, a second air outlet pipe 502 and a third air outlet pipe 503, the first air inlet pipe 501 is connected with the first air outlet pipe 202, and air in the reaction tank 2 can enter the concentration mechanism 5. The combustion mechanism 6 is provided with a second air inlet pipe and a fourth air outlet pipe, and the second air inlet pipe is connected with the second air outlet pipe 502, so that the concentrated VOC gas enters the combustion mechanism 6 and is combusted.
The organic contaminated soil is VOC remove device for restoration that this embodiment provided's beneficial effect is: compared with the prior art, the VOC removing device for organic contaminated soil restoration provided by the embodiment is characterized in that the reaction barrel 2 is arranged, the air blowing pipe 201 is arranged in the reaction barrel 2, the air blowing pipe 201 is connected with the air supply mechanism 4, so that hot air containing VOC can not escape into the air, but can be concentrated by the concentration mechanism 5 firstly, then VOC gas enters the combustion mechanism 6 for combustion, and finally is discharged, the pollution of the VOC gas to the air is reduced, and the environment is protected; and by arranging the soil taking and backfilling mechanism 3, the contaminated soil can be conveniently conveyed into the reaction barrel 2 and backfilled after the treatment is finished, and the labor intensity of workers is effectively reduced relative to manual soil taking and backfilling.
In this embodiment, the installation base 1 is a crawler moving device, which can facilitate the contaminated soil to be transported into the reaction barrel 2 for treatment, and also facilitate the abrupt backfilling into the soil taking position in the reaction barrel 2.
Referring to fig. 4, 6 and 7, the soil taking and backfilling mechanism 3 of the present invention includes a horizontal pipe 301, a connecting pipe 302, a first screw conveying rod 304 and a first motor 303, wherein the connecting pipe 302 is disposed at the bottom of the reaction barrel 2, the connecting pipe 302 is in communication with the interior of the reaction barrel 2, the connecting pipe 302 is vertically disposed, one end of the horizontal pipe 301 is in communication with the connecting pipe 302, the horizontal pipe 301 is horizontally disposed, the first motor 303 is disposed on the horizontal pipe 301, the first screw conveying rod 304 is disposed in the horizontal pipe 301, one end of the first screw conveying rod 304 is connected with a power output end of the first motor 303, the first motor 303 can forward rotate to convey soil into the reaction barrel 2, and the first motor 303 reversely rotates to convey soil in the reaction barrel 2 out of the reaction barrel 2.
As a preferred solution, the other end of the first screw conveyor rod 304 protrudes beyond the transverse tube 301 with respect to the end connected to the first motor 303. When the mounting base 1 moves, the first screw conveyor bar 304 protruding beyond the horizontal tube 301 can loosen the soil in front, facilitating the conveyance of the soil into the reaction tub 2.
In addition, the reaction barrel 2 is internally provided with a stirring assembly 203, and the soil is stirred while hot air is blown to the soil, so that organic matters in the soil are conveniently discharged in the form of VOC.
Specifically, as shown in fig. 8, the stirring assembly 203 includes a standpipe 204, a second screw conveying rod 205 and a second motor 206, the second screw conveying rod 205 is rotatably disposed in the standpipe 204, the second motor 206 is disposed at the top end of the standpipe 204, the top end of the second screw conveying rod is connected to the power output end of the second motor 206, a feeding port 207 is disposed at a position of the standpipe 204 near the bottom, and a discharging port 208 is disposed at a position of the standpipe 204 near the top end. The materials in the reaction barrel 2 enter the vertical pipe 204 through the feeding hole, rise to the discharge hole 208 to be discharged under the action of the second spiral conveying rod 205, and the stirring of the soil is completed.
Preferably, the top of standpipe 204 stretches out to the top of reaction barrel 2, and the external diameter of standpipe 204 is the same with the internal diameter of connecting pipe 302, and standpipe 204 slides and sets up, is equipped with locking assembly between standpipe 204 and the reaction barrel 2, and when locking assembly locks, standpipe 204 is fixed for reaction barrel 2, and when locking assembly releases the locking, standpipe 204 can slide for reaction barrel 2.
When the soil taking and backfilling mechanism 3 is in the first state, a part of the vertical pipe 204 extends into the connecting pipe 302, and the bottom end of the vertical pipe 204 extends to the connection position of the connecting pipe 302 and the transverse pipe 301. At this time, the stirring mechanism can convey the soil in the horizontal pipe 301 into the reaction tub 2. When the soil taking and backfilling mechanism 3 is in the second state, the bottom surface of the standpipe 204 is flush with the top surface of the connecting pipe 302, and at this time, soil can enter the connecting pipe 302 from the feed inlet 207 and finally be discharged from the transverse pipe 301 only by reversing the first motor 303 and the second motor 206, so that backfilling of the soil is realized.
As shown in fig. 5 and 7, the connecting pipe 302 is provided with a jack 305, the jack 305 is communicated with the connecting pipe 302, the width of the jack 305 is the same as the inner diameter of the connecting pipe 302, the bottom of the reaction barrel 2 is provided with a guide plate 306, the guide plate 306 is provided with a slot 307, the slot 307 is communicated with the jack 305, a plugboard 308 is arranged in the slot 307, and the plugboard 308 can plug the connecting pipe 302. When the soil needs to be stirred, the connecting pipe 302 is plugged by the plugboard 308, so that the soil is prevented from leaking into the connecting pipe 302. When the soil needs to be backfilled, the plugging of the connecting pipe 302 by the plugboard 308 is released.
Referring to fig. 2 and 8, the locking assembly includes a lifting rod 210, a fixing member 211, a driven gear 212, a driving gear 213 and a third motor 214, wherein the lifting rod 210 is L-shaped, one end of the lifting rod 210 is connected to the standpipe 204, the other end of the lifting rod 210 extends above the reaction barrel 2, the fixing member 211 is disposed at the top of the reaction barrel 2, a convex mounting cavity is disposed in the fixing member 211, a connecting hole is disposed at one side of the fixing member 211, the driven gear 212 is rotatably disposed in the mounting cavity, a part of the driven gear 212 extends out of the fixing member 211 through the connecting hole, the driving gear 213 is meshed with the driven gear 212, the driven gear 212 is connected to a power output end of the third motor 214, a threaded hole is disposed on the driven gear 212, the lifting rod 210 is screwed into the threaded hole, and the top end of the lifting rod 210 extends above the fixing member 211.
Since the driven gear 212 can only rotate in the fixing piece 211, when the third motor 214 rotates forward, the driven gear 212 is driven to rotate, and the lifting rod 210 can ascend due to the cooperation of the threaded hole and the lifting rod 210, so as to drive the vertical pipe 204 to ascend. When the third motor 214 rotates reversely, it drives the driven gear 212 to rotate, and the lifting rod 210 can descend due to the cooperation of the threaded hole and the lifting rod 210, so as to drive the standpipe 204 to descend.
As shown in fig. 4, a filter plate 215 is arranged in the reaction barrel 2, the filter plate 215 is in a funnel shape, the filter plate 215 is arranged above the air blowing pipe 201, the outer side wall of the filter plate 215 is connected with the inner wall of the reaction barrel 2, the bottom end of the filter plate 215 is abutted with the bottom surface of the reaction barrel 2, the filter plate 215 and the inner wall of the reaction barrel 2 enclose an air blowing cavity, and the air blowing pipe 201 is arranged in the air blowing cavity.
The setting of filter 215 can keep apart gas blow pipe 201 and soil, prevents that soil from blocking up the gas pocket of gas blow pipe 201, and is the hopper-shaped through setting up filter 215, and then is convenient for collect the feed inlet 207 department of standpipe 204 with soil, and the stirring subassembly 203 of being convenient for stirs soil.
Finally, a first heat exchange tube 401 is wound on the outer wall of the combustion mechanism 6, the air supply mechanism 4 comprises an air duct 402, an air pump 403 and a heating element 404, the air duct 402 is connected with the air blowing tube 201, the air duct 402 is connected with the output end of the air pump 403, the heating element is arranged on the air duct 402, a second heat exchange tube 405 is wound on the outer wall of the air duct 402, the first heat exchange tube 401 is respectively connected with two ends of the second heat exchange tube 405, a circulating element 406 is arranged on the first heat exchange tube 401, heat exchange media are arranged in the first heat exchange tube 401 and the second heat exchange tube 405, and the circulating element 406 can drive the heat exchange media to circulate in the first heat exchange tube 401 and the second heat exchange tube 405. The first heat exchange tube 401, the second heat exchange tube 405 and the circulating member 406 can absorb the heat generated by the combustion mechanism 6 and heat the air blown into the reaction barrel 2, thereby reducing the energy consumption.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. VOC remove device for organic contaminated soil restoration, characterized by, include:
a mounting base (1);
the reaction barrel (2) is arranged on the mounting base (1), an air blowing pipe (201) is arranged on the upper disc of the inner bottom surface of the reaction barrel (2), and a first air outlet pipe (202) is arranged at the top of the reaction barrel (2);
the soil taking and backfilling mechanism (3) is provided with a feeding end and a discharging end, the feeding end is arranged below the reaction barrel (2), the discharging end is arranged in the reaction barrel (2), the soil taking and backfilling mechanism (3) has two modes, and in the first mode, the soil taking and backfilling mechanism (3) can convey soil below the reaction barrel (2) to the reaction barrel (2); in a second mode, the soil taking and backfilling mechanism (3) can backfill soil in the reaction barrel (2);
the air supply mechanism (4) is arranged on the mounting base (1), and the air supply mechanism (4) is connected with the air blowing pipe (201) to enable the air blowing pipe (201) to blow hot air to soil in the reaction barrel (2);
the concentration mechanism (5) is provided with a first air inlet pipe (501), a second air outlet pipe (502) and a third air outlet pipe (503), the first air inlet pipe (501) is connected with the first air outlet pipe (202), and air in the reaction barrel (2) can enter the concentration mechanism (5);
the combustion mechanism (6) is provided with a second air inlet pipe and a fourth air outlet pipe, the second air inlet pipe is connected with the second air outlet pipe (502), and concentrated VOC gas enters the combustion mechanism (6) and is combusted;
the soil taking and backfilling mechanism (3) comprises a transverse pipe (301), a connecting pipe (302), a first spiral conveying rod (304) and a first motor (303), wherein the connecting pipe (302) is arranged at the bottom of the reaction barrel (2), the connecting pipe (302) is communicated with the inside of the reaction barrel (2), the connecting pipe (302) is vertically arranged, one end of the transverse pipe (301) is communicated with the connecting pipe (302), the transverse pipe (301) is horizontally arranged, the first motor (303) is arranged on the transverse pipe (301), the first spiral conveying rod (304) is arranged in the transverse pipe (301), one end of the first spiral conveying rod (304) is connected with the power output end of the first motor (303), the first motor (303) can positively rotate to convey soil into the reaction barrel (2), and the first motor (303) can reversely rotate to convey the soil in the reaction barrel (2) to the outside of the reaction barrel (2);
the stirring assembly (203) is arranged in the reaction barrel (2), the stirring assembly (203) comprises a vertical pipe (204), a second spiral conveying rod (205) and a second motor (206), the second spiral conveying rod (205) is rotationally arranged in the vertical pipe (204), the second motor (206) is arranged at the top end of the vertical pipe (204), the top end of the second spiral conveying rod is connected with the power output end of the second motor (206), a feeding port (207) is arranged at the position, close to the bottom, of the vertical pipe (204), and a discharging port (208) is arranged at the position, close to the top end, of the vertical pipe (204);
the top end of the vertical pipe (204) extends out to the top of the reaction barrel (2), the outer diameter of the vertical pipe (204) is the same as the inner diameter of the connecting pipe (302), the vertical pipe (204) is arranged in a sliding mode, a locking assembly is arranged between the vertical pipe (204) and the reaction barrel (2), and when the locking assembly is locked, the vertical pipe (204) is fixed relative to the reaction barrel (2); when the locking component is unlocked, the vertical pipe (204) can slide relative to the reaction barrel (2), when the soil taking and backfilling mechanism (3) is in a first state, part of the vertical pipe (204) stretches into the connecting pipe (302), and the bottom end of the vertical pipe (204) stretches to the joint of the connecting pipe (302) and the transverse pipe (301); when the soil taking and backfilling mechanism (3) is in a second state, the bottom surface of the vertical pipe (204) is flush with the top surface of the connecting pipe (302);
be equipped with jack (305) on connecting pipe (302), jack (305) with connecting pipe (302) switch on, the width of jack (305) with the internal diameter of connecting pipe (302) is the same, the bottom of reaction bucket (2) is equipped with deflector (306), be equipped with slot (307) on deflector (306), slot (307) with jack (305) switch on, be equipped with picture peg (308) in slot (307), picture peg (308) can with connecting pipe (302) shutoff.
2. The VOC removal device for organic contaminated soil remediation of claim 1, wherein: the other end of the first screw conveying rod (304) extends out of the transverse tube (301) relative to the end connected with the first motor (303).
3. The VOC removal device for organic contaminated soil remediation of claim 1, wherein: the locking assembly comprises a lifting rod (210), a fixing piece (211), a driven gear (212), a driving gear (213) and a third motor (214), wherein the lifting rod (210) is L-shaped, one end of the lifting rod (210) is connected to the vertical pipe (204), the other end of the lifting rod (210) extends to the upper side of the reaction barrel (2), the fixing piece (211) is arranged at the top of the reaction barrel (2), an installing cavity in the fixing piece (211) is provided with a convex shape, one side of the fixing piece (211) is provided with a connecting hole, the driven gear (212) is rotationally arranged in the installing cavity, the part of the driven gear (212) extends out of the fixing piece (211) through the connecting hole, the driving gear (213) is meshed with the driven gear (212), the driven gear (212) is connected to the power output end of the third motor (214), a threaded hole is formed in the driven gear (212), and the lifting rod (210) is in threaded connection with the threaded hole.
4. The VOC removal device for organic contaminated soil remediation of claim 1, wherein: be equipped with filter (215) in reaction barrel (2), filter (215) are the hopper-shaped, filter (215) are located the top of gas-blowing pipe (201), the lateral wall of filter (215) with the inner wall connection of reaction barrel (2), the bottom of filter (215) with the bottom surface butt of reaction barrel (2), make filter (215) with the inner wall of reaction barrel (2) encloses out the gas-blowing chamber, gas-blowing pipe (201) are located the gas-blowing intracavity.
5. The VOC removal device for organic contaminated soil remediation of claim 1, wherein: the utility model discloses a combustion mechanism, including burning mechanism (6), the outer wall of burning mechanism (6) is twined and is equipped with first heat exchange tube (401), air feed mechanism (4) include air duct (402), air pump (403) and heating element (404), air duct (402) with air duct (201) are connected, air duct (402) with the output of air pump (403) is connected, the heating element is located on air duct (402), twine on the outer wall of air duct (402) have second heat exchange tube (405), first heat exchange tube (401) with the both ends of second heat exchange tube (405) are connected respectively, be equipped with circulation piece (406) on first heat exchange tube (401) with be equipped with heat transfer medium in second heat exchange tube (405), circulation piece (406) can drive heat transfer medium first heat exchange tube (401) with second heat exchange tube (405) inner loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310070084.5A CN115846386B (en) | 2023-02-07 | 2023-02-07 | VOC remove device for organic contaminated soil repair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310070084.5A CN115846386B (en) | 2023-02-07 | 2023-02-07 | VOC remove device for organic contaminated soil repair |
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| CN115846386A CN115846386A (en) | 2023-03-28 |
| CN115846386B true CN115846386B (en) | 2023-05-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011156501A (en) * | 2010-02-02 | 2011-08-18 | Okawara Mfg Co Ltd | Method for thermally treating contaminated soil |
| KR101431189B1 (en) * | 2012-11-27 | 2014-08-21 | 주식회사 세인이엔티 | A Rotary Valve of Regenerative thermal oxidizer System |
| CN210138933U (en) * | 2019-03-20 | 2020-03-13 | 泰顺县刘志威家庭农场 | Municipal garden afforestation uses soil prosthetic devices |
| CN210847643U (en) * | 2019-08-29 | 2020-06-26 | 北京润安园林绿化有限公司 | Soil prosthetic devices is used in gardens horticulture |
| CN212664493U (en) * | 2020-05-22 | 2021-03-09 | 张宇轩 | Portable soil prosthetic devices |
| CN112474760A (en) * | 2020-11-02 | 2021-03-12 | 王凤云 | Municipal garden afforestation uses soil prosthetic devices |
| CN112916599B (en) * | 2021-03-02 | 2022-12-06 | 江苏群星矿用机械有限公司 | Excavating equipment with adjustable depth and width |
| CN113182342B (en) * | 2021-05-19 | 2022-07-19 | 山西八建集团有限公司 | Thermal desorption prosthetic devices who pollutes soil |
| CN216114074U (en) * | 2021-06-23 | 2022-03-22 | 天津现代职业技术学院 | VOC thermal desorption and treatment device for soil restoration |
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2023
- 2023-02-07 CN CN202310070084.5A patent/CN115846386B/en active Active
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