CN215696755U

CN215696755U - Environmental protection and energy saving type pollutes soil thermal desorption repair system

Info

Publication number: CN215696755U
Application number: CN202121868953.1U
Authority: CN
Inventors: 田远金
Original assignee: Qingdao Academy Of Environmental Protection Sciences
Current assignee: Qingdao Academy Of Environmental Protection Sciences
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-01
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an environment-friendly energy-saving type polluted soil thermal desorption remediation system which comprises a fixed cylinder, wherein the fixed cylinder is rotatably connected with an inner roller, two ends of the fixed cylinder are respectively provided with a feeding device and a discharging device, and the discharging device is provided with a circulating pipe; the circulating pipe is respectively provided with an intercepting bin and an air blowing bin, the bottom of the circulating pipe is provided with a guide pipe, the guide pipe is provided with a container, the inner wall of the intercepting bin is fixedly connected with a fixing frame, and the fixing frame is fixedly connected with a plurality of intercepting plates; and a fan is arranged in the air blowing bin. When the device is used, the fan drives water vapor generated by soil evaporation to circulate, the water vapor reaches the intercepting bin and is guided by the intercepting plate, so that the air flow flows obliquely, the water vapor is contacted with the intercepting plate and then is adhered to the surface of the intercepting plate, the water vapor is accumulated into beads and then flows to the guide pipe along the intercepting plate, finally, the water beads are collected by the container, the water vapor is prevented from remaining in the inner roller, and the drying degree of the processed soil is high.

Description

Environmental protection and energy saving type pollutes soil thermal desorption repair system

Technical Field

The utility model relates to the field of thermal desorption of soil, in particular to an environment-friendly and energy-saving type thermal desorption remediation system for polluted soil.

Background

Thermal desorption is used as a non-combustion technology, the pollutant treatment range is wide, equipment is movable, the repaired soil can be reused, particularly, the chlorine-containing organic matters can be treated in a non-oxidative combustion mode, dioxin can be prevented from being generated, and the method is widely used for repairing the soil polluted by the organic pollutants. At present, the traditional thermal desorption technology of the polluted soil is drum-type thermal desorption, and the emerging thermal desorption technology comprises fluidized bed type thermal desorption, microwave thermal desorption technology and far infrared thermal desorption.

However, contain moisture in the soil, when soil is carrying out the thermal desorption, moisture evaporation becomes steam in the soil, and inside unable quilt of cylinder is discharged including steam persists, leads to soil to continue to mix with steam, finally leads to the soil moisture degree of output to be high. Therefore, the utility model provides an environment-friendly and energy-saving type contaminated soil thermal desorption remediation system to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an environment-friendly and energy-saving type polluted soil thermal desorption remediation system to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an environment-friendly energy-saving type contaminated soil thermal desorption remediation system comprises a fixed cylinder, wherein the fixed cylinder is rotatably connected with an inner roller, two ends of the fixed cylinder are respectively provided with a feeding device and a discharging device, and the discharging device is provided with a circulating pipe;

the circulating pipe is respectively provided with an intercepting bin and an air blowing bin, the bottom of the circulating pipe is provided with a guide pipe, the guide pipe is provided with a container, the inner wall of the intercepting bin is fixedly connected with a fixing frame, and the fixing frame is fixedly connected with a plurality of intercepting plates;

and a fan is arranged in the air blowing bin.

As a further scheme of the utility model, the fixed cylinder is fixedly connected with a connecting plate, the fixed cylinder is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with a supporting frame.

As a further scheme of the utility model, the support frame is provided with a motor, the motor is connected with a transmission chain in a meshing way, and one end of the transmission chain, which is far away from the motor, is connected with the inner drum in a meshing way.

As a further scheme of the utility model, the blanking device is provided with an exhaust pipe, and the exhaust pipe is provided with a valve.

As a further scheme of the utility model, a plurality of triangular notches which are uniformly arranged are arranged on the surface of the interception plate, and a plurality of vent holes are arranged on the surface of the interception plate.

As a further scheme of the utility model, the fan is provided with a driving device, the driving device is fixedly connected with a connecting frame, and the connecting frame is fixedly connected with the inner wall of the blowing bin.

As a further scheme of the utility model, the inner wall of the fixed cylinder is fixedly connected with a first clapboard and a second clapboard respectively, and a cavity is arranged between the first clapboard and the second clapboard.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fan drives water vapor generated by soil evaporation to circulate, the water vapor reaches the intercepting bin and is guided by the intercepting plate, so that the air flow flows obliquely, the water vapor is adhered to the surface of the intercepting plate when contacting with the intercepting plate, the water vapor flows to the guide pipe along the intercepting plate after accumulating into beads, and finally the water beads are collected through the container, so that the water vapor is prevented from remaining in the inner roller, and the drying degree of the processed soil is high;

2. the triangular notch increases the surface area of the interception plate, so that the intercepted area of water vapor is increased, and the interception effect is improved;

3. form the cavity between first baffle and the second baffle, improve the thermal-insulated effect of fixed section of thick bamboo, avoid interior cylinder heat to run off.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of an environment-friendly and energy-saving contaminated soil thermal desorption remediation system.

Fig. 2 is an internal structure view of a circulating pipe in embodiment 1 of an environment-friendly and energy-saving contaminated soil thermal desorption remediation system.

Fig. 3 is a schematic structural view of an interception plate in embodiment 1 of an environment-friendly and energy-saving contaminated soil thermal desorption remediation system.

Fig. 4 is a sectional view of a fixed cylinder in embodiment 2 of an environment-friendly and energy-saving contaminated soil thermal desorption remediation system.

In the figure: 1. a fixed cylinder; 2. a connecting plate; 3. a feeding device; 4. a blanking device; 5. an exhaust pipe; 6. a valve;

7. a support frame; 8. a support plate; 9. a motor; 10. a drive chain; 11. an inner drum; 12. a circulation pipe;

13. intercepting a bin; 14. a blowing bin; 15. a guide tube; 16. a container; 17. a fixed mount; 18. a interception plate;

19. a connecting frame; 20. a drive device; 21. a fan; 22. a triangular notch; 23. a vent hole; 24. a first separator;

25. a second separator; 26. a cavity.

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.

Example 1:

referring to fig. 1 to 3, in the embodiment of the utility model, an environment-friendly and energy-saving contaminated soil thermal desorption remediation system comprises a fixed cylinder 1, wherein the fixed cylinder 1 is rotatably connected with an inner roller 11, two ends of the fixed cylinder 1 are respectively provided with a feeding device 3 and a discharging device 4, the fixed cylinder 1 is fixedly connected with a connecting plate 2, the fixed cylinder 1 is fixedly connected with a supporting plate 8, and the supporting plate 8 is fixedly connected with a supporting frame 7;

the support frame 7 is provided with a motor 9, the motor 9 is connected with a transmission chain 10 in a meshed mode, one end, far away from the motor 9, of the transmission chain 10 is connected with an inner roller 11 in a meshed mode, the discharging device 4 is provided with an exhaust pipe 5, the exhaust pipe 5 is provided with a valve 6, and the discharging device 4 is provided with a circulating pipe 12;

the circulating pipe 12 is respectively provided with an intercepting bin 13 and a blowing bin 14, the bottom of the circulating pipe 12 is provided with a guide pipe 15, the guide pipe 15 is provided with a container 16, the inner wall of the intercepting bin 13 is fixedly connected with a fixing frame 17, the fixing frame 17 is fixedly connected with a plurality of intercepting plates 18, the surfaces of the intercepting plates 18 are provided with a plurality of triangular notches 22 which are uniformly arranged, and the surfaces of the intercepting plates 18 are provided with a plurality of vent holes 23;

a fan 21 is arranged in the air blowing bin 14, a driving device 20 is installed on the fan 21, the driving device 20 is fixedly connected with a connecting frame 19, and the connecting frame 19 is fixedly connected with the inner wall of the air blowing bin 14.

Example 2:

referring to fig. 4, in the embodiment of the present invention, a first partition plate 24 and a second partition plate 25 are respectively fixedly connected to an inner wall of the fixed cylinder 1, and a cavity 26 is disposed between the first partition plate 24 and the second partition plate 25.

The working principle of the utility model is as follows:

the motor 9, the transmission chain 10 and the inner roller 11 are matched to drive the inner roller 11 to rotate, the fan 21 is started to accelerate air flow in the inner roller 11 and the circulating pipe 12 in the soil heating and rolling process, meanwhile, water vapor generated by soil evaporation is driven to circulate, the water vapor reaches the intercepting bin 13 and is influenced by the intercepting plate 18 to enable air flow to flow obliquely, the water vapor is contacted with the intercepting plate 18 and then is adhered to the surface of the intercepting plate 13, the water vapor flows to the guide pipe 15 along the intercepting plate 18 after being accumulated into beads, finally, water beads are collected through the container 16, the water vapor is prevented from remaining in the inner roller 11, and therefore the drying degree of the processed soil is high;

the triangular notch 22 increases the surface area of the interception plate 18, thereby increasing the intercepted area of water vapor and improving the interception effect;

a cavity 26 is formed between the first partition plate 24 and the second partition plate 25, so that the heat insulation effect of the fixed cylinder 1 is improved, and the heat loss of the inner roller 11 is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The environment-friendly energy-saving type polluted soil thermal desorption remediation system comprises a fixed cylinder (1) and is characterized in that the fixed cylinder (1) is rotatably connected with an inner roller (11), two ends of the fixed cylinder (1) are respectively provided with a feeding device (3) and a discharging device (4), and the discharging device (4) is provided with a circulating pipe (12);

the circulating pipe (12) is respectively provided with an intercepting bin (13) and an air blowing bin (14), the bottom of the circulating pipe (12) is provided with a guide pipe (15), the guide pipe (15) is provided with a container (16), the inner wall of the intercepting bin (13) is fixedly connected with a fixing frame (17), and the fixing frame (17) is fixedly connected with a plurality of intercepting plates (18);

a fan (21) is arranged in the air blowing bin (14).

2. The thermal desorption remediation system for the environment-friendly and energy-saving contaminated soil according to claim 1, wherein the fixed cylinder (1) is fixedly connected with the connecting plate (2), the fixed cylinder (1) is fixedly connected with the supporting plate (8), and the supporting plate (8) is fixedly connected with the supporting frame (7).

3. The environment-friendly energy-saving type polluted soil thermal desorption remediation system as claimed in claim 2, wherein the support frame (7) is provided with a motor (9), the motor (9) is connected with a transmission chain (10) in an engaged manner, and one end of the transmission chain (10) far away from the motor (9) is connected with the inner drum (11) in an engaged manner.

4. The thermal desorption remediation system for the environment-friendly and energy-saving contaminated soil according to claim 1, wherein the blanking device (4) is provided with an exhaust pipe (5), and the exhaust pipe (5) is provided with a valve (6).

5. The thermal desorption remediation system for the environmental-friendly and energy-saving contaminated soil as claimed in claim 1, wherein the surface of the interception plate (18) is provided with a plurality of triangular notches (22) which are uniformly arranged, and the surface of the interception plate (18) is provided with a plurality of vent holes (23).

6. The thermal desorption remediation system for the environment-friendly and energy-saving contaminated soil as claimed in claim 1, wherein the fan (21) is provided with a driving device (20), the driving device (20) is fixedly connected with a connecting frame (19), and the connecting frame (19) is fixedly connected with the inner wall of the blowing bin (14).

7. The thermal desorption remediation system for the environment-friendly and energy-saving contaminated soil according to claim 1, wherein a first partition plate (24) and a second partition plate (25) are fixedly connected to the inner wall of the fixed cylinder (1) respectively, and a cavity (26) is formed between the first partition plate (24) and the second partition plate (25).