CN113210412A - Low-energy-consumption soil in-situ ex-situ thermal analysis device - Google Patents

Abstract

The invention relates to the technical field of soil treatment, in particular to a low-energy-consumption in-situ heterotopic thermal desorption device for soil, which comprises a support frame and a thermal desorption platform, wherein the thermal desorption platform comprises a hexagonal cylinder, the hexagonal cylinder is connected with the support frame, visible glass is arranged on the hexagonal cylinder, the hexagonal cylinder is provided with an air inlet, a discharge port and a feed inlet, the hexagonal cylinder is provided with a solar heating mechanism and a soil turning mechanism, the hexagonal cylinder is internally connected with an inner lining plate groove, an air deflector and two air exhaust pipes, a driving screw rod is connected between the inner lining plate groove and the hexagonal cylinder, two ends of the driving screw rod are both connected with the hexagonal cylinder, the hexagonal cylinder is provided with a motor, the motor is connected with the driving screw rod, the movable frame is internally connected with a soil pushing plate, the movable frame is connected with two limiting blocks, the hexagonal cylinder is provided with an earth unloading mechanism and an electric push rod, the electric push rod is connected with a push wheel, the support frame is provided with two gas disinfectors, and the disinfectors are communicated with the air exhaust pipes, it is energy-conserving comparatively, and analytic effect is better, and is less to the environmental impact, comparatively practical.

Description

Low-energy-consumption soil in-situ ex-situ thermal analysis device

Technical Field

The invention relates to a soil treatment technology, in particular to a low-energy-consumption in-situ ex-situ soil thermal desorption device.

Background

As is well known, the low-energy-consumption in-situ ex-situ soil thermal analysis device is an automatic auxiliary device for batch treatment of polluted soil by utilizing the normal-temperature thermal analysis principle.

Current soil original place ectopic thermal analysis device includes support frame and thermal analysis case, the thermal analysis case is installed on the support frame, soil inlet and unearthing mouth have been seted up on the thermal analysis case, install resistance heating wire and conveyer belt in the thermal analysis case, it is when using, start resistance heating wire and conveyer belt, the soil that will handle is from advancing soil inlet feeding thermal analysis incasement, the soil that gets into the thermal analysis case falls on the conveyer belt, and realize under the effect of conveyer belt and remove, the heating of resistance heating wire to the soil on the conveyer belt, realize the thermal analysis of soil.

However, the above prior art solutions still have the following drawbacks: the energy consumption is higher to soil thermal desorption effect is relatively poor, and the harmful gas that produces in the soil treatment process is easy to influence the environment simultaneously, causes environmental pollution, and is not environmental protection.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the soil in-situ ex-situ thermal desorption device with low energy consumption, which is energy-saving, has good soil desorption effect, and is relatively practical, and meanwhile, the gas emission generated in the soil treatment process has little influence on the environment.

In order to achieve the purpose, the invention provides the following technical scheme: a low-energy-consumption in-situ ex-situ soil thermal desorption device comprises a support frame and a hexagonal cylinder which is horizontally arranged and installed on the support frame, wherein an air inlet and a discharge outlet are formed in one end face of the hexagonal cylinder in the length direction, a feed inlet is formed in the opposite end face of the hexagonal cylinder, an inclined plate which is positioned below the feed inlet in the hexagonal cylinder and is fixedly connected with and used for guiding soil to slide down is fixedly connected with the hexagonal cylinder, a solar heating mechanism is installed on the top surface of the outer side of the hexagonal cylinder, a soil turning mechanism, an air guide plate and an air exhaust pipe are installed on the upper portion of the inner side of the hexagonal cylinder, an inner lining plate groove is fixedly connected with the lower portion of the inner side of the hexagonal cylinder, a motor is installed at the bottom end of the outer side of the hexagonal cylinder, a moving frame is slidably connected between the inner lining plate groove and the hexagonal cylinder, the moving frame is driven by a driving screw rod which is fixed on the hexagonal cylinder through positive and negative rotation of the motor and drives the moving frame to slide along the outer wall of the inner lining plate groove, a bulldozing plate which slides along the length direction of the inner lining plate groove is arranged in the inner lining plate groove, bulldozing the board top and passing through the round bar and articulate at the removal frame top, fixedly connected with stopper on the removal frame, when making the bulldozing board move to the discharge gate direction for inside lining board groove, the stopper makes the bulldozing board be in vertical state, when the bulldozing board moves to the feed inlet direction for inside lining board groove, the bulldozing board is in free state, close on the inboard top of six arris section of thick bamboo of discharge gate end, the mechanism of unloading soil is installed to inside lining board groove top, feed inlet end below installation electric putter, the last push wheel that is connected with of electric putter, the bulldozing board can use the round bar to orbit around as the axle under the reciprocal promotion of push wheel, install gaseous sterilizing machine on the support frame, the exhaust column intercommunication in gaseous sterilizing machine and the six arris section of thick bamboos.

Solar heating mechanism is including pushing up the solar heating board, be located two auxiliary heating apron and the limiting plate of a solar heating board both sides, it installs on six arris section of thick bamboo top surfaces to push up the solar heating board, two auxiliary heating apron cover on the both sides face of next-door neighbour six arris section of thick bamboo top surfaces and rotate with six arris section of thick bamboos and be connected, two trapezoidal limiting plates of falling are fixed on six arris section of thick bamboo top surfaces, be located a solar heating board both sides top respectively, it is connected with the traction block to rotate on two auxiliary heating apron, be fixed with the traction block on the six arris section of thick bamboo of limiting plate side lower part, be connected through the extension spring between traction block and the turning block, inject two auxiliary heating apron through the limiting plate and rotate the limit angle of opening under extension spring mating reaction.

The soil turning mechanism comprises a rotating shaft, a motor and a soil turning cylinder, the rotating shaft is rotatably connected with the hexagonal cylinder, the motor is installed on the outer side of the hexagonal cylinder, bevel gears are fixedly connected to the output ends of the rotating shaft and the motor, the two bevel gears are meshed with each other, and the soil turning cylinder is fixedly connected to the rotating shaft.

Unload native mechanism including extension board and two curb plates, extension board and inside lining board groove fixed connection, two curb plates all with six arris section of thick bamboos fixed connection, equal fixedly connected with installation ear on two curb plates, rotate between two installation ears and be connected with anticorrosive steel sheet, the bottom fixedly connected with horizontal pole of anticorrosive steel sheet, the both ends of horizontal pole are all rotated and are connected with and draw the piece, two draw on the piece equal fixedly connected with draw the spring, two draw the spring respectively with two curb plate fixed connection.

And the hexagonal cylinder is provided with a feed hopper matched with the feed inlet.

And the exhaust pipe is provided with a plurality of exhaust holes.

And the rotating shaft is fixedly connected with a balancing weight.

Four movable wheels are installed in the supporting frame.

An observation port is formed in the hexagonal barrel, and visible glass is installed in the observation port.

The number of the gas sterilizing machines is two.

Compared with the prior art, the invention has the beneficial effects that:

1. through being connected of solar heating mechanism and hexagonal section of thick bamboo, be convenient for heat soil, accelerate volatilizing of pollutant in the soil, reduce the energy consumption, it is energy-conserving.

2. Through the design of the mechanism that digs, be convenient for stir the stirring of ploughing to soil, the pollutant in the soil is even, thorough volatilizees with higher speed, and soil analysis is effectual, through bulldozing the board and unload the cooperation of native mechanism, and the removal of the soil after the removal of the soil of being convenient for in the processing on inside lining board groove and the processing is accomplished lift off, and is practical.

3. Through the intercommunication of exhaust column and gas sterilizing machine, carry out suction and processing to the volatile toxic gas and the vapor that produce among the analytic process of soil, it is less to environmental pollution.

Drawings

FIG. 1 is a partially cut-away perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is a partial cross-sectional view of the front left side three-dimensional structure of the present invention;

FIG. 5 is an enlarged partial view of FIG. 4 at C;

FIG. 6 is a schematic perspective view of the present invention;

FIG. 7 is a perspective view of the present invention from the rear side;

FIG. 8 is an enlarged partial schematic view of FIG. 7 at D in accordance with the present invention;

FIG. 9 is a schematic view of a three-dimensional structure of the rotating shaft, the soil turning cylinder and the counterweight block.

In the figure: 1. a support frame; 2. a hexagonal barrel; 3. a visible glass; 4. a liner plate slot; 5. an exhaust pipe; 6. a movable frame; 7. driving the screw rod; 8. a motor; 9. a round bar; 10. a bulldozer plate; 11. a limiting block; 12. an electric push rod; 13. a push wheel; 14. a gas sterilizer; 15. a limiting plate; 16. a top solar heating plate; 17. an auxiliary heating cover plate; 18. a traction block; 19. a tension spring; 20. rotating the block; 21. a rotating shaft; 22. an electric motor; 23. a bevel gear; 24. a soil turning cylinder; 25. an extension plate; 26. a side plate; 27. mounting lugs; 28. an anticorrosive steel plate; 29. a cross bar; 30. pulling the block; 31. a drag spring; 32. a feed hopper; 33. a suction hole; 34. a balancing weight; 35. moving the wheels; 36. an air deflector; 37. a sloping plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-9, the low-energy-consumption in-situ ex-situ soil thermal desorption device comprises a support frame 1 and a horizontally arranged hexagonal cylinder 2 arranged on the support frame 1, wherein an air inlet and a discharge outlet are formed in one end surface of the hexagonal cylinder 2 in the length direction, a feed inlet is formed in the opposite end surface of the hexagonal cylinder 2, an inclined plate 37 for guiding soil to slide is fixedly connected below the feed inlet in the hexagonal cylinder 2, a solar heating mechanism is arranged on the top surface of the outer side of the hexagonal cylinder 2, an earth turning mechanism, an air guide plate 36 and an exhaust pipe 5 are arranged on the upper portion of the inner side of the hexagonal cylinder 2, an inner lining plate groove 4 is fixedly connected to the lower portion of the inner side of the hexagonal cylinder 2, a motor 8 is arranged at the bottom end of the outer side of the hexagonal cylinder 2, a moving frame 6 is slidably connected between the inner lining plate groove 4 and the hexagonal cylinder 2, the moving frame 6 is driven by a driving screw rod 7 which is driven by the motor 8 and is fixed on the hexagonal cylinder 2 at two ends and rotates forward and backward, be provided with in inside liner groove 4 along the gliding bull-dozer board 10 of 4 length direction in inside liner groove, bull-dozer board 10 top passes through round bar 9 and articulates at removing frame 6 top, remove fixedly connected with stopper 11 on the frame 6, make bull-dozer board 10 when moving to discharge gate direction for inside liner groove 4, stopper 11 makes bull-dozer board 10 be in vertical state, when bull-dozer board 10 moves to the feed inlet direction for inside liner groove 4, bull-dozer board 10 is in free state, close on the inboard top of six arriss of section of thick bamboo 2 of discharge gate end, the mechanism of unloading is installed to inside liner groove 4 top, feed inlet end below installation electric putter 12, be connected with push pulley 13 on the electric putter 12, bull-dozer board 10 can use round bar 9 to orbit around the axle under push pulley 13 reciprocal promotion, install gaseous sterilizing machine 14 on support frame 1, gaseous sterilizing machine 14 communicates with exhaust column 5 in the six arriss of section of thick bamboo 2.

Solar heating mechanism is including pushing up solar heating plate 16, be located two auxiliary heating apron 17 and limiting plate 15 of a solar heating plate both sides, it installs on six arris section of thick bamboo 2 top surfaces to push up solar heating plate 16, two auxiliary heating apron 17 cover on the both sides face next to six arris section of thick bamboo 2 top surfaces and with six arris section of thick bamboo 2 rotation connection, two trapezoidal limiting plates 15 of falling are fixed on six arris section of thick bamboo 2 top surfaces, be located 16 both sides tops of a solar heating plate respectively, it is connected with traction block 18 to rotate on two auxiliary heating apron 17, be fixed with traction block 18 on six arris section of thick bamboo 2 of limiting plate 15 side lower part, be connected through extension spring 19 between traction block 18 and the rotating block 20, inject two auxiliary heating apron 17 through limiting plate 15 and rotate the limit angle of opening under extension spring 19 mating reaction.

The soil turning mechanism comprises a rotating shaft 21, a motor 22 and a soil turning cylinder 24, wherein the rotating shaft 21 is rotatably connected with the hexagonal cylinder 2, the motor 22 is installed on the outer side of the hexagonal cylinder 2, output ends of the rotating shaft 21 and the motor 22 are fixedly connected with bevel gears 23, the two bevel gears 23 are mutually meshed, and the rotating shaft 21 is fixedly connected with the soil turning cylinder 24.

Unload native mechanism including extension board 25 and two curb plates 26, extension board 25 and 4 fixed connection in inside lining board groove, two curb plates 26 all with a hexagonal section of thick bamboo 2 fixed connection, equal fixedly connected with installation ear 27 on two curb plates 26, it is connected with anticorrosive steel sheet 28 to rotate between two installation ears 27, anticorrosive steel sheet 28's bottom fixedly connected with horizontal pole 29, the both ends of horizontal pole 29 are all rotated and are connected with and are drawn piece 30, two draw equal fixedly connected with on the piece 30 and draw spring 31, two draw spring 31 respectively with two curb plate 26 fixed connection.

The hexagonal cylinder 2 is provided with a feed hopper 32 matched with the feed inlet. The exhaust pipe 5 is provided with a plurality of exhaust holes 33. A counterweight 34 is fixedly connected to the rotating shaft 21. Four movable wheels 35 are installed in the support frame 1. An observation port is formed in the hexagonal barrel 2, and visible glass 3 is arranged in the observation port. The number of the gas sterilizing machines 14 is two.

Specifically, the low-energy-consumption soil in-situ ex-situ thermal analysis device comprises a support frame 1 and a thermal analysis platform, wherein the thermal analysis platform comprises a hexagonal cylinder 2, the support frame 1 of the hexagonal cylinder 2 is fixedly connected, an observation port is formed in the hexagonal cylinder 2, visible glass 3 is installed in the observation port, an air inlet and a discharge port are formed in the left end of the hexagonal cylinder 2, air can be fed in and discharged out, a feed inlet is formed in the right end of the hexagonal cylinder 2, an inclined plate 37 is fixedly connected below the feed inlet in the hexagonal cylinder 2, a solar heating mechanism and a soil turning mechanism are installed on the hexagonal cylinder 2, the solar heating mechanism comprises a limiting plate 15, a top solar heating plate 16 and two auxiliary heating cover plates 17, the limiting plate 15 is fixedly connected with the hexagonal cylinder 2, the top solar heating plate 16 is installed on the hexagonal cylinder 2, the two auxiliary heating cover plates 17 are both rotatably connected with the hexagonal cylinder 2, and a traction block 18 is rotatably connected on the two auxiliary heating cover plates 17, two traction block 18 all are connected with turning block 20 through extension spring 19, two turning blocks 20 all rotate with six arriss section of thick bamboo 2 and are connected, be convenient for heat soil, thereby be convenient for accelerate volatilizing of pollutant in the soil, be convenient for reduce the energy consumption simultaneously, it is comparatively energy-conserving to use, it includes axis of rotation 21 and motor 22 to turn over native mechanism, axis of rotation 21 rotates with six arris section of thick bamboo 2 and is connected, motor 22 installs the left end at six arris section of thick bamboo 2, the equal fixedly connected with bevel gear 23 of the left end of axis of rotation 21 and motor 22's output, two bevel gear 23 intermeshing, fixedly connected with turns over native section of thick bamboo 24 on the axis of rotation 21, be convenient for turn over the stirring to soil, thereby be convenient for accelerate the pollutant in the soil comparatively even and comparatively thorough volatilizing, soil analysis effect is better.

It should be further noted that, an inner lining plate groove 4, an air deflector 36 and two exhaust pipes 5 are fixedly connected in the hexagonal cylinder 2, which facilitates the suction of volatile toxic gas and vapor generated in the soil analysis process, the hexagonal cylinder 2 is divided into a top heating cavity and a reaction cavity by the air deflector 36, the heating of air in the top heating cavity by the top solar heating plate 16 is realized, thereby the heating of the reaction cavity is realized, a moving frame 6 is slidably connected between the inner lining plate groove 4 and the hexagonal cylinder 2, a driving lead screw 7 is threadedly connected on the moving frame 6, both ends of the driving lead screw 7 are rotatably connected with the hexagonal cylinder 2, a motor 8 is installed at the bottom end of the hexagonal cylinder 2, the output end of the motor 8 is in transmission connection with the driving lead screw 7, a bulldozing plate 10 is rotatably connected in the moving frame 6 through a round rod 9, which facilitates the movement of soil in the process on the inner lining plate groove 4, which is practical, two limit blocks 11 are fixedly connected on the moving frame 6, the left end and the right end of the hexagonal cylinder 2 are respectively provided with a soil unloading mechanism and an electric push rod 12, the soil unloading mechanism comprises an extension plate 25 and two side plates 26, the extension plate 25 is fixedly connected with the lining plate groove 4, the two side plates 26 are both fixedly connected with the hexagonal cylinder 2, the two side plates 26 are both fixedly connected with mounting lugs 27, an anticorrosive steel plate 28 is rotatably connected between the two mounting lugs 27, the bottom end of the anticorrosive steel plate 28 is fixedly connected with a cross rod 29, both ends of the cross rod 29 are both rotatably connected with pulling blocks 30, both pulling springs 31 are fixedly connected on the two pulling blocks 30, the two pulling springs 31 are respectively fixedly connected with the two side plates 26, the unloading of the treated soil is convenient, the soil unloading machine is practical, the telescopic rod of the electric push rod 12 is rotatably connected with a push wheel 13, the front end and the rear end of the support frame 1 are both provided with a gas sterilizer 14, the two gas sterilizers 14 are respectively communicated with the two exhaust pipes 5, the volatile toxic gas and the water vapor generated in the soil analysis process can be conveniently treated, and the environmental pollution is small.

Still need further explain, install on the hexagonal section of thick bamboo 2 with feed inlet assorted feeder hopper 32, be convenient for guide soil gets into hexagonal section of thick bamboo 2 in, a plurality of induced-draft holes 33 have been seted up on exhaust column 5, be convenient for aspirate the volatile toxic gas and the vapor that produce to the analytic in-process of soil, fixedly connected with balancing weight 34 on the axis of rotation 21, be convenient for improve the dynamic balance that axis of rotation 21 rotated the in-process, install four in the support frame 1 and remove wheel 35, be convenient for this low energy consumption's removal of soil original place ectopic thermal analysis device, it is comparatively nimble to use.

The motor 8, the electric push rod 12, the gas sterilizer 14, the top solar heating plate 16, the auxiliary heating cover plate 17 and the motor 22 are all conventional devices which are purchased from the market and are well known to those skilled in the art, the model of the motor 8 is BMH1003P06F2A, the model of the electric push rod 12 is TJC-C4, the model of the gas sterilizer 14 is QJ-8005K-10A, the models of the top solar heating plate 16 and the auxiliary heating cover plate 17 are IPFT, and the model of the motor 22 is QABP160L4A, which are used in the present patent only and are not improved in structure and function, and the setting mode, the installation mode and the electrical connection mode are set, and for those skilled in the art, as long as debugging operation is performed according to the requirements of the usage specification, detailed description thereof is omitted, and the motor 8, the electric push rod 12, the gas sterilizer 14 and the motor 22 are all provided with control switches matched with them, the top solar heating plate 16 and the auxiliary heating cover plate 17 are provided with matched circulating water pipes, the installation positions of the control switch and the circulating water pipes are selected according to actual use requirements, operation and control can be conveniently carried out by an operator, for forward and reverse rotation of the motor 8, the forward and reverse rotation of the motor 8 can be known as a known technology of a person skilled in the art according to a patent with the patent number of CN109889124A, and the technology of the forward and reverse rotation of the motor 8 is mature and can be realized.

In summary, the working principle and working process of the low-energy-consumption soil in-situ heterotopic thermal analysis device are that, when in use, the low-energy-consumption soil in-situ heterotopic thermal analysis device is moved to a place where soil needs to be processed through the movable wheels 35, the movable wheels 35 have a brake function, the low-energy-consumption soil in-situ heterotopic thermal analysis device is stabilized through the brake function, the two auxiliary heating cover plates 17 are rotated relative to the hexagonal cylinder 2, the tension spring 19 is matched with the traction block 18 and the rotating block 20 to enter the limiting position of the limiting plate 15, the two auxiliary heating cover plates 17 are supported, the visible glass 3 is exposed, observation in the hexagonal cylinder 2 is facilitated, after adjustment is completed, the motor 8, the gas disinfection machine 14 and the motor 22 are started, soil needing analysis is fed into the hexagonal cylinder 2 through the feed hopper 32, the sloping plate 37 guides the soil fed into the hexagonal cylinder to the left for a certain distance, enough space is reserved at the right part of the inner lining plate groove 4 so that soil which is newly fallen on the inner lining plate groove 4 can be smoothly bypassed in the process of resetting the bulldozer plate 10 after the bulldozer plate 10 completes bulldozer, the soil is not pushed to the right part of the inner lining plate groove 4 in the process of resetting the bulldozer plate 10, the soil is prevented from being gathered at the right part of the inner lining plate groove 4 and the smooth operation of thermal analysis is prevented from being influenced, the motor 8 repeatedly rotates forwards and backwards to drive the lead screw 7 to rotate forwards and backwards, the lead screw 7 drives the bulldozer plate 10 to reciprocate relative to the inner lining plate groove 4 through the moving frame 6, when the bulldozer plate 10 moves leftwards relative to the inner lining plate groove 4, the limit block 11 enables the bulldozer plate 10 to be in a vertical state to realize pushing of the soil, when the bulldozer plate 10 moves rightwards relative to the inner lining plate groove 4, the limit effect of the block 11 on the bulldozer plate 10 is ineffective, so that the pulled back of the pushed soil is reduced, and when the bulldozer plate 10 moves to the right end of the inner lining plate groove 4, starting the electric push rod 12 to extend to drive the push wheels 13 to move, when the bulldozer blade 10 contacts with the push wheels 13, the bulldozer blade 10 orbits around the round rods 9 under the action of the push wheels 13, so that the bottom end of the bulldozer blade 10 rotates and rises to cross the soil newly falling on the lining plate groove 4, when the rotation amplitude of the bulldozer blade 10 can enable the lowest part of the bulldozer blade 10 to cross the soil newly falling on the lining plate groove 4, the electric push rod 12 stops extending and slowly shortens in coordination with the movement of the bulldozer blade 10, when the bulldozer blade 10 moves to the initial position, the electric push rod 12 continues to shorten until completely shortens and resets, and the bulldozer blade 10 resets under the action of gravity to prepare for starting the bulldozer of the next wheel.

Further, in the soil pushing process under the action of the bulldozer board 10, the soil is heated by the cooperation of the top solar heating plate 16 and the auxiliary heating cover plate 17, thermal desorption of the soil is realized, the adsorption coating is arranged inside the top solar heating plate 16, when infrared rays radiated by the sun irradiate on the adsorption coating, the adsorption coating is heated, the auxiliary heating cover plate 17 can reflect more infrared rays to the top solar heating plate 16, so that the top solar heating plate 16 generates more heat, the heat generated by the top solar heating plate 16 is transferred to the top end of the hexagonal barrel 2 through heat conduction and the temperature of air in the top heating cavity is raised, the gas sterilizer 14 works to suck out air at the upper part in the reaction cavity through the exhaust pipe 5, on the one hand, pollutants volatilized from the soil are sucked out, on the other hand, high-temperature air in the top heating cavity is pumped into the reaction cavity to realize temperature increase in the reaction cavity, when the low-energy-consumption in-situ ectopic thermal analysis device for soil operates stably in the thermal analysis process of soil, because the feed hopper 32 feeds soil continuously, and the discharge port outputs soil continuously, under the shielding effect of soil, the residual areas of the feed inlet and the discharge port are far smaller than the areas of the air inlets, when the exhaust pipe 5 exhausts air, air in the heating cavity mainly enters through the air inlets formed at the left end of the hexagonal barrel 2, hot air in the reaction cavity can enter from the top heating cavity continuously, when the soil is pushed to the extension plate 25, the motor 22 drives the rotating shaft 21 to rotate, the soil turning barrel 24 and the balancing weight 34 are driven to rotate in the rotating process of the rotating shaft 21, the soil on the inner lining plate groove 4 is shoveled by the soil turning barrel 24 and poured out after being overturned in the rotating soil turning barrel 24, the stirring and processing of the soil are realized, the soil falling from the soil turning barrel 24 moves to the left slowly under the continuous bulldozing effect of the bulldozing plate 10, and fall on anticorrosive steel sheet 28 through extension board 25 gradually, after the soil gathering on anticorrosive steel sheet 28 is a quantitative, overcome the elasticity of drawing spring 31 under the effect of soil gravity, make anticorrosive steel sheet 28 for installation ear 27 tilt by rotation, thereby realize falling of soil, after soil falls, the gravity of the soil on anticorrosive steel sheet 28 diminishes, realize the restoration of anticorrosive steel sheet 28 under the effect of drawing spring 31 elasticity, thereby realize handling the periodic automatic discharge of the soil after accomplishing, it is comparatively practical.

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 (10)

1. A low-energy-consumption in-situ ex-situ soil thermal desorption device is characterized by comprising a support frame (1) and a hexagonal cylinder (2) horizontally arranged on the support frame (1), wherein an air inlet and a discharge outlet are formed in one end face of the hexagonal cylinder (2) in the length direction, a feed inlet is formed in the opposite end face of the hexagonal cylinder, an inclined plate (37) fixedly connected below the feed inlet and used for guiding soil to slide is arranged in the hexagonal cylinder (2), a solar heating mechanism is arranged on the top face of the outer side of the hexagonal cylinder (2), a soil turning mechanism, an air guide plate (36) and an exhaust pipe (5) are arranged on the upper portion of the inner side of the hexagonal cylinder (2), an inner lining plate groove (4) is fixedly connected to the lower portion of the inner side of the hexagonal cylinder (2), a motor (8) is arranged at the bottom end of the outer side of the hexagonal cylinder (2), and a moving frame (6) is slidably connected between the inner lining plate groove (4) and the hexagonal cylinder (2), the moving frame (6) is driven by a driving screw rod (7) which is fixed on the hexagonal barrel (2) through two ends and driven by positive and negative rotation of a motor (8) to slide along the outer wall of the inner lining plate groove (4) in a reciprocating manner, a bulldozing plate (10) which slides along the length direction of the inner lining plate groove (4) is arranged in the inner lining plate groove (4), the top of the bulldozing plate (10) is hinged to the top of the moving frame (6) through a round rod (9), a limiting block (11) is fixedly connected to the moving frame (6), when the bulldozing plate (10) moves towards the discharge port relative to the inner lining plate groove (4), the limiting block (11) enables the bulldozing plate (10) to be in a vertical state, when the bulldozing plate (10) moves towards the direction of the feed port relative to the inner lining plate groove (4), the bulldozing plate (10) is in a free state, the top of the inner side of the hexagonal barrel (2) close to the discharge port end, a soil unloading mechanism is arranged above the inner lining plate groove (4), an electric push rod (12) is arranged below the feed inlet end, a push wheel (13) is connected onto the electric push rod (12), a bulldozer (10) can make a reciprocating motion under the reciprocating pushing of the push wheel (13) by taking a round rod (9) as an axis, a gas sterilizer (14) is arranged on a support frame (1), and the gas sterilizer (14) is communicated with an exhaust pipe (5) in a hexagonal barrel (2).

2. The low-energy-consumption in-situ ex-situ soil thermal desorption device according to claim 1, wherein the solar heating mechanism comprises a top solar heating plate (16), two auxiliary heating cover plates (17) and limiting plates (15), the two auxiliary heating cover plates (17) are arranged on two sides of the top solar heating plate, the top solar heating plate (16) is arranged on the top surface of the hexagonal cylinder (2), the two auxiliary heating cover plates (17) are covered on two side surfaces close to the top surface of the hexagonal cylinder (2) and are rotatably connected with the hexagonal cylinder (2), the two inverted trapezoidal limiting plates (15) are fixed on the top surface of the hexagonal cylinder (2) and are respectively arranged on the top ends of two sides of the top solar heating plate (16), the two auxiliary heating cover plates (17) are rotatably connected with traction blocks (18), the traction blocks (18) are fixed on the hexagonal cylinder (2) on the lower parts of the side surfaces of the limiting plates (15), and the traction blocks (18) are connected with the rotation blocks (20), the limit angle of the rotation opening of the two auxiliary heating cover plates (17) under the matching action of the tension springs (19) is limited by the limit plate (15).

3. The low-energy-consumption in-situ ex-situ soil thermal analysis device according to claim 1, wherein the soil turning mechanism comprises a rotating shaft (21), an electric motor (22) and a soil turning cylinder (24), the rotating shaft (21) is rotatably connected with the hexagonal cylinder (2), the electric motor (22) is installed on the outer side of the hexagonal cylinder (2), the output ends of the rotating shaft (21) and the electric motor (22) are fixedly connected with bevel gears (23), the two bevel gears (23) are meshed with each other, and the soil turning cylinder (24) is fixedly connected to the rotating shaft (21).

4. The low-energy-consumption in-situ ex-situ soil thermal desorption device according to claim 1, wherein the soil unloading mechanism comprises an extension plate (25) and two side plates (26), the extension plate (25) is fixedly connected with the lining plate groove (4), the two side plates (26) are fixedly connected with the hexagonal cylinder (2), the two side plates (26) are fixedly connected with mounting lugs (27), an anti-corrosion steel plate (28) is rotatably connected between the two mounting lugs (27), a cross rod (29) is fixedly connected to the bottom end of the anti-corrosion steel plate (28), pull blocks (30) are rotatably connected to the two ends of the cross rod (29), traction springs (31) are fixedly connected to the two pull blocks (30), and the two traction springs (31) are respectively and fixedly connected with the two side plates (26).

5. The low-energy-consumption in-situ ex-situ soil thermal desorption device as claimed in claim 1, wherein a feed hopper (32) matched with the feed inlet is arranged on the hexagonal cylinder (2).

6. The low-energy-consumption in-situ ex-situ soil thermal desorption device according to claim 1, wherein the exhaust pipe (5) is provided with a plurality of exhaust holes (33).

7. The low-energy-consumption ex-situ soil thermal desorption device according to claim 1, wherein a counterweight (34) is fixedly connected to the rotating shaft (21).

8. The low-energy-consumption ex-situ soil thermal desorption device according to claim 1, wherein four moving wheels (35) are installed in the support frame (1).

9. The low-energy-consumption in-situ ex-situ soil thermal analysis device according to claim 1, wherein an observation port is formed in the hexagonal cylinder (2), and a visible glass (3) is installed in the observation port.

10. The low-energy-consumption apparatus for in-situ ex-situ thermal desorption of soil according to claim 1 wherein there are two gas sterilizing machines (14).

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