CN112620331A - Direct-combustion thermal desorption soil ex-situ remediation method - Google Patents
Direct-combustion thermal desorption soil ex-situ remediation method Download PDFInfo
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- CN112620331A CN112620331A CN202011461212.1A CN202011461212A CN112620331A CN 112620331 A CN112620331 A CN 112620331A CN 202011461212 A CN202011461212 A CN 202011461212A CN 112620331 A CN112620331 A CN 112620331A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
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Abstract
The invention relates to the technical field of restoration devices and discloses a direct-fired thermal desorption soil ex-situ restoration method which comprises a bottom plate, wherein a thermal desorption furnace is fixedly connected to the left side of the top surface of the bottom plate, a first motor is fixedly connected to the right side of the thermal desorption furnace, a rotating wheel is fixedly sleeved on an output shaft of the first motor, and a linkage rod is movably connected to the front side of the rotating wheel. According to the invention, through the mutual cooperation of the first motor, the rotating wheel, the linkage rod, the pushing block and the stress rod, the rotating wheel is driven to rotate by the first motor, the rotating wheel drives the pushing block to move through the linkage rod, the pushing block drives the other pushing block to move reversely through the stress rod, and the two pushing blocks with opposite moving directions are adopted to push the soil in the thermal desorption furnace to move, so that the problems that the soil enters the thermal desorption furnace to be in a static state, the interior of the soil cannot be effectively contacted with heat, the heating time of pollutants in the soil is longer, the repair efficiency is low and the time is wasted are avoided.
Description
Technical Field
The invention relates to the technical field of repair devices, in particular to a direct-combustion thermal desorption soil ex-situ repair method.
Background
The thermal desorption technology is a process of heating organic pollutants in soil to a sufficient temperature through direct or indirect heat exchange under a vacuum condition or when carrier gas is introduced so that the organic pollutants are volatilized or separated from a polluted medium and enter a gas treatment system.
In the process of repairing soil by modern thermal desorption equipment, because the soil enters into a thermal desorption furnace and is in a static state, the interior of the soil can not be effectively contacted with heat, so that the heating time of pollutants in the soil is longer, the repairing efficiency is low, and the time is wasted, meanwhile, the volatilization of pollutants in the soil can bring away a large amount of heat in the thermal desorption furnace, if the heat can not be recycled, a large amount of energy heat is dissipated and wasted, the cost required for soil remediation is increased, the problems of low energy utilization rate and cost waste are caused, in addition, the volatilized pollutants are usually eliminated by adopting a dust remover, because the pollutants contain a small amount of polluted gas which cannot be completely eliminated, the polluted gas is discharged into the air to pollute the environment, so that the problems of poor environmental protection performance and low purification efficiency of the device are caused, and the direct-combustion thermal desorption soil ex-situ remediation device and the remediation method are provided.
Disclosure of Invention
The invention provides a direct-fired thermal desorption soil ex-situ remediation method, which has the advantages of high remediation efficiency, time saving, high energy utilization rate, cost saving, good environmental protection and high purification efficiency, and solves the problems in the background art.
The invention provides the following technical scheme: a direct-fired thermal desorption soil ex-situ remediation device comprises a bottom plate, wherein the left side of the top surface of the bottom plate is fixedly connected with a thermal desorption furnace, and the right side of the thermal desorption furnace is fixedly connected with a first motor, the output shaft of the first motor is fixedly sleeved with a rotating wheel, and the front surface of the rotating wheel is movably connected with a linkage rod, one end of the linkage rod extends to the inner cavity of the thermal desorption furnace and is movably connected with a pushing block, and the left side of the pushing block is movably connected with a power rod, one end of the power rod extends to the left side of the thermal desorption furnace and is movably connected with a hinged rod, one end of the hinged rod is movably connected with a stress rod, one end of the stress rod extends to the inner cavity of the thermal desorption furnace and is fixedly connected with a pushing block, the left side of the thermal desorption furnace is fixedly connected with a support rod, and one end of the supporting rod is movably connected to the hinged rod, and the top surface of the thermal desorption furnace is fixedly connected with a feed inlet.
The choice, the top surface fixedly connected with of bottom plate is located the mount on heat desorption stove right side, and the top surface fixedly connected with heating block of mount, the fixed cover of inner chamber of heating block has connect the heat transfer case, heat desorption stove top surface fixedly connected with air duct, and the one end of air duct extends to the inner chamber of heating block and coils the inside of looking after at the heating block, the inner chamber fixedly connected with inlet tube of heat transfer case, the one end of inlet tube extends to the inner wall and the fixedly connected with heating pipe of heat desorption stove, and the heating pipe is convoluteed in the inner wall of heat desorption stove, the one end of heating pipe extends to the inside of heat transfer case, the side fixedly connected with shunt tubes of heat transfer case, and the one end fixedly connected with air compressor machine of shunt tubes.
Carefully selecting, the right side of the top surface of the bottom plate is fixedly connected with a purification box, the bottom surface of the purification box is fixedly connected with a second motor, an output shaft of the second motor is fixedly connected with a main shaft, one end of the main shaft extends into the purification box and is fixedly connected with a stirring rod, the right side of the purification box is fixedly connected with an adsorption box which is communicated with the purification box, one end of an air duct extends into the purification box, the top surface of the purification box is spirally sleeved with a top cover, the bottom end of a fixing frame is fixedly connected with a water tank, an air compressor is fixedly connected to the top surface of the water tank, the output end of the air compressor is fixedly connected to the top surface of the water tank, the side surface of the inner cavity of the water tank is fixedly connected with a conduit, the top surface of the bottom plate is fixedly connected with a spray box positioned below the thermal, the top surface fixedly connected with baffle box of spraying the case, and the fixed connection of baffle box is on hot desorption stove, the left bottom fixedly connected with discharge gate of spraying the case.
Carefully, the bracing piece is located the one end of articulated mast and is located the middle part of articulated mast, it is two to promote the quantity of piece, and two opposite directions that promote the piece.
And selecting, wherein the length value of the linkage rod is greater than the diameter value of the rotating wheel, and the length value of the linkage rod is less than the distance value from the rotating wheel to the middle part of the inner cavity of the thermal desorption furnace.
In selection, the water inlet pipe is fixedly connected with a one-way valve, and the shunt pipe is fixedly sleeved with a switch.
Carefully selecting, the quantity of the stirring rods is ten, and the ten stirring rods are uniformly distributed on two sides of the main shaft.
A direct-fired thermal desorption soil ex-situ remediation method specifically comprises the following steps:
firstly, soil to be repaired is added into a thermal desorption furnace from a feeding hole, then a heating device of equipment is started to heat the thermal desorption furnace, a first motor is started simultaneously, a first motor rotating wheel rotates, the rotating wheel drives a pushing block to move through a linkage rod, the pushing block drives a power rod to move, the power rod drives a stress rod to move reversely through a hinge rod, the stress rod drives another pushing block to move reversely, the soil is pushed through two pushing blocks moving reversely, and the heated and repaired soil enters a spraying box through a guide chute;
secondly, the polluted gas generated by the thermal desorption furnace enters the heating block through the air guide pipe to release heat, the air guide pipe heats the heating block, the heating block heats the heat exchange box, the moisture in the heat exchange box is heated into hot water, the air compressor is started simultaneously, the air compressor generates pressure to enter the flow dividing pipe and the water tank, the switch is opened, the flow dividing pipe presses air into the heat exchange box, the hot water in the heat exchange box is pressed into the water inlet pipe, the moisture enters the heating pipe to release heat, the thermal desorption furnace is heated, the air compressor divides the water in the water tank into the flow dividing pipe simultaneously, the moisture is sprayed on the soil in the spraying box through the spray head to cool, and finally the soil is discharged from the discharge port;
and thirdly, after the gas in the gas guide pipe releases heat, the gas enters the purifying box, the second motor is started to drive the main shaft to rotate, the main shaft drives the stirring rod to rotate, the stirring rod rotates to fully stir the polluted gas and the purifying liquid, finally, the air is discharged after being adsorbed by the adsorption box, and after the repairing is completed, the top cover is opened to treat the polluted liquid in the purifying box.
The invention has the following beneficial effects:
1. according to the invention, through the mutual cooperation of the first motor, the rotating wheel, the linkage rod, the pushing block and the stress rod, the rotating wheel is driven to rotate by the first motor, the rotating wheel drives the pushing block to move through the linkage rod, the pushing block drives the other pushing block to move reversely through the stress rod, and the two pushing blocks with opposite moving directions are adopted to push the soil in the thermal desorption furnace to move, so that the problems that the soil enters the thermal desorption furnace and is in a static state, the inside of the soil cannot be effectively contacted with heat, the heating time of pollutants in the soil is longer, the repair efficiency is low, and the time is wasted are solved, and the repair efficiency is improved while the time is saved.
2. According to the invention, the polluted steam is guided into the heating block through the air guide pipe to release heat, the heating block heats the water in the heat exchange box, air is pressed into the heat exchange box through the diversion pipe, hot water in the heat exchange box is guided into the inner wall of the thermal desorption furnace, the thermal desorption furnace is heated by hot water release, the problems that a large amount of heat in the thermal desorption furnace can be taken away due to volatilization of pollutants in soil, if the heat cannot be recycled, a large amount of energy heat is dissipated and wasted, the cost required for soil remediation is increased, the energy utilization rate is low, and the cost is wasted are solved, and the energy utilization rate is improved while the cost is saved.
3. According to the invention, through the mutual matching of the second motor, the main shaft, the stirring rod, the purification box and the adsorption box, the second motor is used for driving the main shaft to rotate, the main shaft drives the stirring rod to rotate, the stirring rod rotates to stir the purification liquid and the polluted gas in the purification box, and the air after stirring and purification is adsorbed and discharged through the adsorption box, so that the problems of poor environmental protection and low purification efficiency of the device caused by the fact that the pollutants contain a small amount of polluted gas and cannot be completely eliminated, and the polluted gas is discharged into the air to pollute the environment are avoided, and the environmental protection property of the device is improved while the purification efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an internal schematic view of a structural heating block of the present invention;
FIG. 3 is a schematic structural view of a pushing block of the present invention;
fig. 4 is a schematic structural diagram of the structural top cover of the present invention.
In the figure: 1. a base plate; 2. a thermal desorption furnace; 3. heating a tube; 4. a stress beam; 5. a support bar; 6. a power rod; 7. a feed inlet; 8. a pushing block; 9. a linkage rod; 10. an air duct; 11. a one-way valve; 12. a rotating wheel; 13. a first motor; 14. a water inlet pipe; 15. a heat exchange box; 16. a heating block; 17. a shunt tube; 18. a switch; 19. a purification box; 20. a main shaft; 21. a stirring rod; 22. a top cover; 23. an adsorption tank; 24. a second motor; 25. a fixed mount; 26. a water tank; 27. an air compressor; 28. a conduit; 29. a spray box; 30. a spray head; 31. a material guide chute; 32. and (4) a discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a direct-fired thermal desorption soil ex-situ remediation device comprises a bottom plate 1, a thermal desorption furnace 2 is fixedly connected to the left side of the top surface of the bottom plate 1, a heater is arranged on the thermal desorption furnace 2, a first motor 13 is fixedly connected to the right side of the thermal desorption furnace 2, a rotating wheel 12 is fixedly sleeved on an output shaft of the first motor 13, a linkage rod 9 is movably connected to the front side of the rotating wheel 12, the length value of the linkage rod 9 is larger than the diameter value of the rotating wheel 12, the length value of the linkage rod 9 is smaller than the distance value from the rotating wheel 12 to the middle part of the inner cavity of the thermal desorption furnace 2, so that no matter where the linkage rod 9 moves, a pushing block 8 always stably moves in the thermal desorption furnace 2, soil in the thermal desorption furnace 2 is driven to move to fully contact with heat, the problem that the linkage rod 9 is too long or too short, the structure is blocked is avoided, the stability of the structure is improved, one end of the linkage rod 9 extends to the inner, and the left side of the pushing block 8 is movably connected with a power rod 6, one end of the power rod 6 extends to the left side of the thermal desorption furnace 2 and is movably connected with a hinged rod, one end of the hinged rod is movably connected with a stress rod 4, one end of the stress rod 4 extends to the inner cavity of the thermal desorption furnace 2 and is fixedly connected with a pushing block 8, the left side of the thermal desorption furnace 2 is fixedly connected with a support rod 5, one end of the support rod 5 is movably connected with the hinged rod, the support rod 5 is positioned at the middle part of the hinged rod, one end of the hinged rod is positioned at the middle part of the hinged rod, the number of the pushing blocks 8 is two, the two pushing blocks 8 are opposite in direction, a first motor 13 is utilized to drive a rotating wheel 12 to rotate, the rotating wheel 12 drives the pushing block 8 to move through a linkage rod 9, the pushing block 8 drives the other pushing block 8 to move reversely through the stress rod 4, and the two pushing, the problems that soil enters the thermal desorption furnace 2 and is in a static state, the inside of the soil cannot be effectively contacted with heat, and the heating time of pollutants in the soil is long, so that the repairing efficiency is low and the time is wasted are solved, the time is saved while the repairing efficiency is improved, the top surface of the thermal desorption furnace 2 is fixedly connected with the feed inlet 7, the top surface of the bottom plate 1 is fixedly connected with a fixing frame 25 positioned on the right side of the thermal desorption furnace 2, the top surface of the fixing frame 25 is fixedly connected with a heating block 16, the inner cavity of the heating block 16 is fixedly sleeved with a heat exchange box 15, the top surface of the thermal desorption furnace 2 is fixedly connected with an air duct 10, one end of the air duct 10 extends to the inner cavity of the heating block 16 and coils inside the heating block 16, the inner cavity of the heat exchange box 15 is fixedly connected with a water inlet pipe 14, one end of the water inlet pipe 14 extends to the inner wall of the thermal desorption furnace 2 and is, contaminated steam is guided into a heating block 16 through an air duct 10 to release heat, the heating block 16 heats moisture in a heat exchange box 15, air is pressed into the heat exchange box 15 through a flow dividing pipe 17, hot water in the heat exchange box 15 is guided into the inner wall of a thermal desorption furnace 2, the thermal desorption furnace 2 is heated by hot water heat release, the problems that a large amount of heat in the thermal desorption furnace can be taken away due to volatilization of pollutants in soil, if the heat cannot be recycled, a large amount of energy heat is dissipated and wasted, the cost required for repairing the soil is increased, the energy utilization rate is low and the cost is wasted are solved, the cost is saved while the energy utilization rate is improved, one end of a heating pipe 3 extends into the heat exchange box 15, the side surface of the heat exchange box 15 is fixedly connected with the flow dividing pipe 17, a check valve 11 is fixedly connected to a water inlet pipe 14, a switch 18 is fixedly sleeved on the flow dividing pipe 17, and the check valve, when the switch 18 is turned off, the water in the water inlet pipe 14 cannot flow back to the heat exchange box 15 due to the action of the check valve 11, meanwhile, when the switch 18 is turned on, the water in the water inlet pipe 14 can enter the heating pipe 3 through the check valve 11, one end of the shunt pipe 17 is fixedly connected with the air compressor 27, the right side of the top surface of the bottom plate 1 is fixedly connected with the purification box 19, the bottom surface of the purification box 19 is fixedly connected with the second motor 24, the output shaft of the second motor 24 is fixedly connected with the spindle 20, one end of the spindle 20 extends to the inside of the purification box 19 and is fixedly connected with the stirring rod 21, the number of the stirring rod 21 is ten, the ten stirring rods 21 are uniformly distributed on two sides of the spindle 20, the spindle 20 is driven by the second motor 24 to rotate, the spindle 20 drives the stirring rod 21 to rotate, the stirring rod 21 rotates to stir the purification liquid and the polluted, the air after stirring and purification is adsorbed and discharged through the adsorption box 23, the problems that pollutants containing a small amount of pollution gas cannot be completely eliminated, the pollution gas is discharged into the air to pollute the environment, the environmental protection performance of the device is poor, and the purification efficiency is low are solved, the environmental protection performance of the device is improved, the purification efficiency is improved, the adsorption box 23 is fixedly connected to the right side of the purification box 19, the adsorption box 23 is communicated with the purification box 19, one end of the air guide pipe 10 extends into the purification box 19, the top surface of the purification box 19 is spirally sleeved with the top cover 22, the top cover 22 is conveniently rotated to be taken down from the top surface of the purification box 19 through the spiral action of the top cover 22 and the purification box 19, so that the pollution solution in the purification box 19 is cleaned and treated, the next use of the purification box 19 is facilitated, the top cover 22 is arranged at the same time, the purification box 19 can be sealed, and the leakage of the, the problem of polluted environment, the bottom fixedly connected with water tank 26 of mount 25, air compressor 27 fixed connection is at the top surface of water tank 26, the output fixed connection of air compressor 27 is at the top surface of water tank 26, the side fixedly connected with pipe 28 of the 26 inner chambers of water tank, bottom plate 1 top surface fixedly connected with is located the spray box 29 of thermal desorption stove 2 below, the one end of pipe 28 extends to the inner chamber and the fixedly connected with shower nozzle 30 of spray box 29, the top surface fixedly connected with baffle box 31 of spray box 29, and the fixed connection of baffle box 31 is on thermal desorption stove 2, the left bottom fixedly connected with discharge gate 32 of spray box 29.
A direct-fired thermal desorption soil ex-situ remediation method specifically comprises the following steps:
firstly, soil to be repaired is added into a thermal desorption furnace 2 from a feeding hole 7, then a heating device of equipment is started to heat the thermal desorption furnace 2, a first motor 13 is started simultaneously, a rotating wheel 12 of the first motor 13 rotates, the rotating wheel 12 drives a pushing block 8 to move through a linkage rod 9, the pushing block 8 drives a power rod 6 to move, the power rod 6 drives a stress rod 4 to move reversely through a hinged rod, the stress rod 4 drives another pushing block 8 to move reversely, the soil is pushed through the two pushing blocks 8 moving reversely, and the heated and repaired soil enters a spraying box 29 through a material guide groove 31;
secondly, the polluted gas generated by the thermal desorption furnace 2 enters the heating block 16 through the air guide pipe 10 to release heat, the air guide pipe 10 heats the heating block 16, the heating block 16 heats the heat exchange box 15, water in the heat exchange box 15 is heated into hot water, meanwhile, the air compressor 27 is started, the air compressor 27 generates pressure, the pressure enters the diversion pipe 17 and the water tank 26, the switch 18 is opened, the diversion pipe 17 presses air into the heat exchange box 15, hot water in the heat exchange box 15 is pressed into the water inlet pipe 14, the water enters the heating pipe 3 again to release heat, the thermal desorption furnace 2 is heated, meanwhile, the air compressor 27 divides the water in the water tank 26 into the guide pipe 28, finally, the water is sprayed on soil in the spraying box 29 through the spray head 30 to cool, and finally, the soil is discharged from the discharge hole 32;
thirdly, the gas in the gas guide tube 10 enters the purifying box 19 after releasing heat, the second motor 24 is started to drive the main shaft 20 to rotate, the main shaft 20 drives the stirring rod 21 to rotate, the stirring rod 21 rotates to fully stir the polluted gas and the purifying liquid, finally, the air is adsorbed by the adsorption box 23 and then discharged, and after the repairing is completed, the top cover 22 is opened to treat the polluted liquid in the purifying box 19.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A direct-fired thermal desorption soil ex-situ remediation method is characterized by comprising the following steps: comprises a bottom plate (1), a heat desorption furnace (2) is fixedly connected to the left side of the top surface of the bottom plate (1), a first motor (13) is fixedly connected to the right side of the heat desorption furnace (2), a rotating wheel (12) is fixedly connected to an output shaft of the first motor (13), a linkage rod (9) is movably connected to the front side of the rotating wheel (12), one end of the linkage rod (9) extends to the inner cavity of the heat desorption furnace (2) and is movably connected with a pushing block (8), the left side of the pushing block (8) is movably connected with a power rod (6), one end of the power rod (6) extends to the left side of the heat desorption furnace (2) and is movably connected with a hinged rod, one end of the hinged rod is movably connected with a stress rod (4), one end of the stress rod (4) extends to the inner cavity of the heat desorption furnace (2) and is fixedly connected with a pushing block (8), a support rod (5) is fixedly connected to the left side of the heat desorption furnace (, one end of the support rod (5) is movably connected to the hinged rod, and the top surface of the thermal desorption furnace (2) is fixedly connected with a feed inlet (7);
the repairing method specifically comprises the following steps:
firstly, soil needing to be repaired is added into a thermal desorption furnace (2) from a feeding hole (7), then a heating device of equipment is started to heat the thermal desorption furnace (2), a first motor (13) is started simultaneously, a rotating wheel (12) of the first motor (13) rotates, the rotating wheel (12) drives a pushing block (8) to move through a linkage rod (9), the pushing block (8) drives a power rod (6) to move, the power rod (6) drives a stress rod (4) to move reversely through a hinged rod, the stress rod (4) drives another pushing block (8) to move reversely, the soil is pushed through the two pushing blocks (8) moving reversely, and the heated and repaired soil enters a spraying box (29) through a guide chute (31);
secondly, the polluted gas generated by the thermal desorption furnace (2) enters the heating block (16) through the gas guide pipe (10) to release heat, the gas guide pipe (10) heats the heating block (16), the heating block (16) heats the heat exchange box (15), the moisture in the heat exchange box (15) is heated into hot water, simultaneously, the air compressor (27) is started, the air compressor (27) generates pressure to enter the shunt pipe (17) and the water tank (26), the switch (18) is turned on, the shunt pipe (17) presses air into the heat exchange box (15), hot water in the heat exchange box (15) is pressed into the water inlet pipe (14), and water enters the heating pipe (3) again to release heat, heating the interior of the thermal desorption furnace (2), simultaneously pressing water in the water tank (26) into the guide pipe (28) by the air compressor (27), finally spraying the water on soil in the spraying tank (29) through the spray head (30) for cooling, and finally discharging the soil from the discharge hole (32);
thirdly, the gas in the air duct (10) releases heat and then enters into the purifying box (19), a second motor (24) is started to drive a main shaft (20) to rotate, the main shaft (20) drives a stirring rod (21) to rotate, the stirring rod (21) rotates to fully stir the polluted gas and the purifying liquid, finally, the air is discharged after being adsorbed by an adsorption box (23), after the repairing is completed, a top cover (22) is opened, and the polluted liquid in the purifying box (19) is treated.
2. The ex-situ remediation method for direct-combustion thermal desorption soil according to claim 1, wherein the ex-situ remediation method comprises the following steps: the top surface fixedly connected with of bottom plate (1) is located mount (25) on heat desorption stove (2) right side, and the top surface fixedly connected with heating block (16) of mount (25), the inner chamber of heating block (16) is fixed to have cup jointed heat transfer case (15), heat desorption stove (2) top surface fixedly connected with air duct (10), and the one end of air duct (10) extends to the inner chamber of heating block (16) and coils and crouches in the inside of heating block (16), the inner chamber fixedly connected with inlet tube (14) of heat transfer case (15), the one end of inlet tube (14) extends to the inner wall and the fixedly connected with heating pipe (3) of heat desorption stove (2), and heating pipe (3) convolute in the inner wall of heat desorption stove (2), the one end of heating pipe (3) extends to the inside of heat transfer case (15), the side fixedly connected with shunt tubes (17) of heat transfer case (15), and one end of the shunt pipe (17) is fixedly connected with an air compressor (27).
3. The ex-situ soil remediation method through direct combustion and thermal desorption as claimed in claims 1 and 2, wherein the ex-situ soil remediation method comprises the following steps: the right side of the top surface of the bottom plate (1) is fixedly connected with a purification box (19), the bottom surface of the purification box (19) is fixedly connected with a second motor (24), an output shaft of the second motor (24) is fixedly connected with a spindle (20), one end of the spindle (20) extends into the purification box (19) and is fixedly connected with a stirring rod (21), the right side of the purification box (19) is fixedly connected with an adsorption box (23), the adsorption box (23) is communicated with the purification box (19), one end of the air duct (10) extends into the purification box (19), the top surface of the purification box (19) is spirally sleeved with a top cover (22), the bottom end of the fixing frame (25) is fixedly connected with a water tank (26), the air compressor (27) is fixedly connected to the top surface of the water tank (26), and the output end of the air compressor (27) is fixedly connected to the top surface of the water tank (26, the side fixedly connected with pipe (28) of water tank (26) inner chamber, bottom plate (1) top surface fixedly connected with is located hot desorption stove (2) below spray case (29), the one end of pipe (28) extends to the inner chamber and the fixedly connected with shower nozzle (30) that spray case (29), the top surface fixedly connected with baffle box (31) of spray case (29), and the fixed connection of baffle box (31) is on hot desorption stove (2), spray the left bottom fixedly connected with discharge gate (32) of case (29).
4. The ex-situ remediation method for direct-combustion thermal desorption soil according to claim 1, wherein the ex-situ remediation method comprises the following steps: the one end that bracing piece (5) are located the hinge bar is located the middle part of hinge bar, the quantity that promotes piece (8) is two, and two opposite directions that promote piece (8).
5. The ex-situ remediation method for direct-combustion thermal desorption soil according to claim 1, wherein the ex-situ remediation method comprises the following steps: the length value of the linkage rod (9) is larger than the diameter value of the rotating wheel (12), and the length value of the linkage rod (9) is smaller than the distance value from the rotating wheel (12) to the middle part of the inner cavity of the thermal desorption furnace (2).
6. The ex-situ soil remediation method through direct combustion and thermal desorption as claimed in claim 2, wherein the ex-situ soil remediation method comprises the following steps: the water inlet pipe (14) is fixedly connected with a one-way valve (11), and the shunt pipe (17) is fixedly sleeved with a switch (18).
7. The ex-situ soil remediation method through direct combustion and thermal desorption as claimed in claim 3, wherein the ex-situ soil remediation method comprises the following steps: the number of the stirring rods (21) is ten, and the ten stirring rods (21) are uniformly distributed on two sides of the main shaft (20).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309037A (en) * | 2021-12-16 | 2022-04-12 | 赖介妹 | High security purification unit of soil pollution thing |
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Application publication date: 20210409 |