Organic pollution desorption device for soil remediation

Abstract

The utility model relates to the technical field of soil remediation, and discloses an organic matter pollution desorption device for soil remediation, which comprises a first rotary kiln, when in use, the soil thermal desorption device is mainly used for treating volatile and semi-volatile organic matters, the boiling point of the volatile matters is lower than that of the semi-volatile matters, and the boiling point of the semi-volatile matters is lower than that of the first rotary kiln. The two sets of heating bins are set to be at different temperatures, soil enters the first rotary kiln through the first feeding bin, the second servo motor drives the movable shaft to rotate, the movable shaft is meshed with the gear, and therefore rotation of the first rotary kiln is achieved, the first rotary kiln inclines by a certain angle, and the soil enters the distribution bin after being heated by the first rotary kiln; the materials enter the second rotary kiln through the discharging port and the second feeding port, in the same way, thermal desorption of the semi-volatile substances is achieved, the processing efficiency of thermal desorption is improved through the sequential heating mode, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil remediation technical field, concretely is a kind of organic matter pollution desorption device of soil remediation. BACKGROUND

[0002] Soil remediation technology has important significance in environmental protection and sustainable development, through soil remediation technology, the content of pollutants in soil can be effectively reduced, food safety and ecological environment safety are guaranteed.

[0003] Soil organic matter desorption device is a kind of equipment specially designed for treating organic matter pollution in soil, its main working principle is to make organic pollutants in soil volatilize or separate by heating, so as to achieve the purpose of repairing soil, and common thermal desorption device only has a rotary kiln, since the device mainly processes volatile and semi-volatile organic substances, volatile and semi-volatile organic substances have different boiling points, if the same temperature thermal desorption is used, more energy will be consumed, and the types of gas components are more complicated during gas treatment.

[0004] Now, an organic matter pollution desorption device for soil remediation is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an organic matter pollution desorption device for soil remediation to solve the problems of volatile and semi-volatile organic substances thermal desorption together, more energy consumption and more types of gas components.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an organic matter pollution desorption device for soil remediation, comprising a first rotary kiln, a first feed bin is installed on the left side of the first rotary kiln, a first feed inlet is formed at the top end of the first feed bin, a first servo motor is installed on the left side of the first feed bin, a first rotary shaft is movably connected inside the first feed bin, a second rotary kiln is arranged on the right side of the first rotary kiln, a gear is sleeved in the middle outside of the first rotary kiln and the second rotary kiln, a base is fixedly connected to the bottom end of the first rotary kiln and the second rotary kiln, a movable shaft is movably connected to the bottom end of the gear, a second servo motor is installed on the right side of the movable shaft, a supporting roller is movably connected to the bottom end of the first rotary kiln and the second rotary kiln, a distribution bin is installed on the right side of the first rotary kiln and the second rotary kiln, a second feed bin is formed at the top end of the distribution bin, a gas outlet is formed at the bottom end of the distribution bin, a heating bin is installed on the right side of the distribution bin, a second feed bin is arranged on the left side of the second rotary kiln, and a second feed inlet is formed at the top end of the second feed bin.

[0007] As a further technical scheme of the utility model, the output end of the first servo motor is connected with the first rotating shaft, the first rotating shaft rotates at an angle inside the first feeding bin, and the first feeding port, the first feeding bin and the first rotary kiln are connected.

[0008] As a further technical scheme of the utility model, the first rotary kiln and the second rotary kiln have certain inclination, and the temperatures of the two groups of heating bins are different.

[0009] As a further technical scheme of the utility model, the first rotary kiln is connected with the distribution bin, the second rotary kiln is connected with the distribution bin, and the gas outlet, the distribution bin and the discharge port are connected.

[0010] As a further technical scheme of the utility model, the right side of the second rotary kiln is provided with a cooling bin, the top end of the cooling bin is provided with a third feeding port, the inside of the cooling bin is movably connected with a second rotating shaft, the left side of the cooling bin is provided with a third servo motor, the inside of the cooling bin is provided with a cooling coil, the right side of the third feeding port is provided with a liquid inlet, and the right side of the top end of the cooling bin is provided with a liquid outlet.

[0011] As a further technical scheme of the utility model, the output end of the third servo motor is connected with the second rotating shaft, the third feeding port is connected with the inside of the cooling bin, the cooling coil is tightly attached to the inside of the cooling bin, and the liquid inlet, the cooling coil and the liquid outlet are connected.

[0012] As a further technical scheme of the utility model, the top end of the gas outlet is provided with a detection bin, the left side of the inside of the detection bin is provided with two groups of fans, the right side of the inside of the detection bin is fixedly connected with a gas component detector, and the top end of the detection bin is provided with a prompt lamp.

[0013] As a further technical scheme of the utility model, the two groups of fans are opposite to the direction of the gas component detector, and the gas component detector detects the gas discharged from the distribution bin in real time.

[0014] Compared with the prior art, the soil remediation organic matter pollution desorption device has the advantages that the processing efficiency of thermal desorption is improved, the soil after thermal desorption is rapidly and effectively cooled, and the gas component of the gas outlet is detected in real time.

[0015] (1) by being provided with first rotary kiln, second rotary kiln, first feeding bin, first feeding port, first rotating shaft, first servo motor, base, gear, movable shaft, second servo motor, riding wheel, distribution bin, heating bin, second feeding bin, gas outlet, discharge port and second feeding port, when using, the soil thermal desorption device mainly processes the volatile and semi-volatile organic matter, the volatile matter boiling point is relatively lower than the semi-volatile matter boiling point, by setting two groups of heating bins into different temperatures, the soil enters into the first rotary kiln through the first feeding bin, the second servo motor drives the rotation of the movable shaft, the movable shaft is engaged with the gear, so that the rotation of the first rotary kiln is realized, the first rotary kiln is inclined at a certain angle, the soil enters into the distribution bin after being heated through the first rotary kiln, so that the thermal desorption of volatile matter is realized, the material enters into the second rotary kiln through the discharge port and the second feeding port, and the thermal desorption of semi-volatile matter is realized, and the processing efficiency of thermal desorption is improved in turn, and energy consumption is reduced.

[0016] (2) by being provided with third feeding port, third servo motor, second rotating shaft, liquid inlet, cooling coil and liquid outlet, when using, the soil has a higher temperature after thermal desorption treatment, and water irrigation cooling requires higher site, and natural air drying cooling time is longer, the cooling bin is installed on the right side of the second rotary kiln, the second rotating shaft in the cooling bin pushes the soil to the right by starting the third servo motor, the cooling coil is installed in the cooling bin, and the cooling liquid is injected into the cooling coil, so that the soil after thermal desorption is quickly and effectively cooled;

[0017] (3) by being provided with detection bin, fan, gas component detector and prompt lamp, when using, the gas generated after the soil is thermally desorbed needs to be purified before being discharged into the atmosphere, the detection bin is arranged at the top of the gas outlet, the fan is arranged on the left side in the detection bin, the fan blows the gas to the gas component detector, the temperature setting of the heating bin can be clearly known by understanding the gas component, so that data support is provided for the rationality of the temperature setting of the first rotary kiln and the second rotary kiln. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view cross section structure schematic view of the utility model;

[0019] Figure 2 It is a front view structure schematic view of the utility model;

[0020] Figure 3 It is a Figure 1 It is a local section enlarged structure schematic view of the utility model in A place;

[0021] Figure 4 It is a Figure 1 It is a local section enlarged structure schematic view of the utility model in B place.

[0022] In the figure: 1, the first rotary kiln; 2, the second rotary kiln; 3, the first feeding bin; 4, the first feeding port; 5, the first rotating shaft; 6, the first servo motor; 7, the base; 8, the gear; 9, the movable shaft; 10, the second servo motor; 11, the supporting wheel; 12, the distribution bin; 13, the heating bin; 14, the second feeding bin; 15, the gas outlet; 16, the discharge port; 17, the second feeding port; 18, the cooling bin; 19, the third feeding port; 20, the third servo motor; 21, the second rotating shaft; 22, the liquid inlet; 23, the cooling coil; 24, the liquid outlet; 25, the detection bin; 26, the fan; 27, the gas component detector; 28, the prompt light. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Embodiment: Please refer to Figures 1-4 A soil remediation organic matter pollution desorption device, comprising a first rotary kiln 1, a first feeding bin 3 is installed on the left side of the first rotary kiln 1, a first feeding port 4 is formed in the top end of the first feeding bin 3, a first servo motor 6 is installed on the left side of the first feeding bin 3, a first rotating shaft 5 is movably connected in the first feeding bin 3, a second rotary kiln 2 is arranged on the right side of the first rotary kiln 1, a gear 8 is sleeved in the middle of the outer sides of the first rotary kiln 1 and the second rotary kiln 2, a base 7 is fixedly connected to the bottom ends of the first rotary kiln 1 and the second rotary kiln 2, a movable shaft 9 is movably connected to the bottom end of the gear 8, a second servo motor 10 is installed on the right side of the movable shaft 9, supporting wheels 11 are movably connected to the bottom ends of the first rotary kiln 1 and the second rotary kiln 2, a distribution bin 12 is installed on the right side of the first rotary kiln 1 and the second rotary kiln 2, a second feeding bin 14 is formed in the top end of the distribution bin 12, a gas outlet 15 is formed in the bottom end of the distribution bin 12, a heating bin 13 is installed on the right side of the distribution bin 12, a second feeding bin 14 is arranged on the left side of the second rotary kiln 2, a second feeding port 17 is formed in the top end of the second feeding bin 14;

[0025] The output end of the first servo motor 6 is connected with the first rotating shaft 5, the first rotating shaft 5 rotates at an angle in the inside of the first feeding bin 3, the first feeding port 4, the first feeding bin 3, the inside of the first rotary kiln 1 are connected, the first rotary kiln 1 and the second rotary kiln 2 have a certain inclination, the temperature of the two groups of heating bins 13 is different, the first rotary kiln 1 is connected with the distribution bin 12, the second rotary kiln 2 is connected with the distribution bin 12, the gas outlet 15, the distribution bin 12, the discharge port 16 are connected;

[0026] Specifically, as shown in Figure 1 and Figure 2 , in use, the soil thermal desorption device mainly processes volatile and semi-volatile organic substances, the boiling point of volatile substances is lower than that of semi-volatile substances, by setting two groups of heating bins 13 at different temperatures, the soil enters the first rotary kiln 1 through the first feeding bin 3, the second servo motor 10 drives the rotation of the movable shaft 9, the movable shaft 9 is engaged with the gear 8, thereby realizing the rotation of the first rotary kiln 1, the first rotary kiln 1 is inclined at a certain angle, the soil enters the distribution bin 12 after being heated by the first rotary kiln 1, thereby realizing the thermal desorption of volatile substances, the material enters the second rotary kiln 2 through the discharge port 16 and the second feeding port 17, and the thermal desorption of semi-volatile substances is realized in the same way, the processing efficiency of thermal desorption is improved in turn, and the energy consumption is reduced.

[0027] The right side of the second rotary kiln 2 is provided with a cooling bin 18, the top end of the cooling bin 18 is provided with a third feeding port 19, the inside of the cooling bin 18 is movably connected with a second rotating shaft 21, the left side of the cooling bin 18 is provided with a third servo motor 20, the inside of the cooling bin 18 is provided with a cooling coil 23, the right side of the third feeding port 19 is provided with a liquid inlet 22, the right side of the top end of the cooling bin 18 is provided with a liquid outlet 24, the output end of the third servo motor 20 is connected with the second rotating shaft 21, the third feeding port 19 is connected with the inside of the cooling bin 18, the cooling coil 23 is closely attached to the inside of the cooling bin 18, the liquid inlet 22, the cooling coil 23, and the liquid outlet 24 are connected;

[0028] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , in use, the soil has a high temperature after thermal desorption treatment, and water irrigation cooling requires a higher site, and natural air drying cooling takes a long time, by installing the cooling bin 18 on the right side of the second rotary kiln 2, by starting the third servo motor 20, the second rotating shaft 21 in the cooling bin 18 pushes the soil to the right, the cooling bin 18 is provided with a cooling coil 23, by injecting cooling liquid into the cooling coil 23, the soil after thermal desorption is quickly and effectively cooled.

[0029] The top end of the gas outlet 15 is provided with a detection bin 25, two groups of fans 26 are arranged on the left side in the detection bin 25, a gas component detector 27 is fixedly connected to the right side in the detection bin 25, a prompt lamp 28 is arranged on the top end of the detection bin 25, the two groups of fans 26 are opposite to the direction of the gas component detector 27, and the gas component detector 27 detects the gas discharged from the distribution bin 12 in real time.

[0030] Specifically, as shown in Figure 1 、 Figure 2 and Figure 4 , in use, the gas generated after the soil is subjected to thermal desorption needs to be purified before being discharged into the atmosphere, the detection bin 25 is arranged at the top end of the gas outlet 15, the fans 26 are arranged on the left side in the detection bin 25, the fans 26 blow the gas to the gas component detector 27, the temperature setting of the heating bin 13 can be clearly known by understanding the gas component, thereby providing data support for the rationality of the temperature setting of the first rotary kiln 1 and the second rotary kiln 2.

[0031] Working principle: in use, firstly, the soil thermal desorption device mainly processes volatile and semi-volatile organic substances, the boiling point of the volatile substance is relatively low compared with the boiling point of the semi-volatile substance, by arranging the two groups of heating bins 13 to be different in temperature, the soil enters into the first rotary kiln 1 through the first feeding bin 3, the second servo motor 10 drives the rotation of the movable shaft 9, the movable shaft 9 is engaged with the gear 8, thereby realizing the rotation of the first rotary kiln 1, the first rotary kiln 1 is inclined at a certain angle, the soil enters into the distribution bin 12 after being heated by the first rotary kiln 1, thereby realizing the thermal desorption of the volatile substance, the material enters into the second rotary kiln 2 through the discharge port 16 and the second feeding port 17, and the thermal desorption of the semi-volatile substance is realized in the same way, the processing efficiency of the thermal desorption is improved in turn, and the energy consumption is reduced, secondly, the soil has a high temperature after the thermal desorption treatment, the water irrigation cooling requires a higher site, and the natural air drying cooling time is longer, the cooling bin 18 is arranged on the right side of the second rotary kiln 2, the second rotary shaft 21 in the cooling bin 18 pushes the soil to the right by starting the third servo motor 20, the cooling coil 23 is arranged in the cooling bin 18, the cooling liquid is injected into the cooling coil 23, thereby realizing the rapid and effective cooling of the soil after the thermal desorption, and simultaneously, the gas generated after the soil is subjected to thermal desorption needs to be purified before being discharged into the atmosphere, the detection bin 25 is arranged at the top end of the gas outlet 15, the fans 26 are arranged on the left side in the detection bin 25, the fans 26 blow the gas to the gas component detector 27, the temperature setting of the heating bin 13 can be clearly known by understanding the gas component, thereby providing data support for the rationality of the temperature setting of the first rotary kiln 1 and the second rotary kiln 2.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A soil remediation organic contamination desorption device comprising a first rotary kiln (1), characterized in that: The left side of the first rotary kiln (1) is provided with a first feeding bin (3), the top end of the first feeding bin (3) is provided with a first feeding port (4), the left side of the first feeding bin (3) is provided with a first servo motor (6), the first feeding bin (3) is movably connected with a first rotating shaft (5), the right side of the first rotary kiln (1) is provided with a second rotary kiln (2), the middle of the outer sides of the first rotary kiln (1) and the second rotary kiln (2) is sleeved with a gear (8), the bottom ends of the first rotary kiln (1) and the second rotary kiln (2) are fixedly connected with a base (7), the bottom end of the gear (8) is movably connected with a movable shaft (9), the right side of the movable shaft (9) is provided with a second servo motor (10), the bottom ends of the first rotary kiln (1) and the second rotary kiln (2) are movably connected with a supporting roller (11), the right side of the first rotary kiln (1) and the second rotary kiln (2) is provided with a distribution bin (12), the top end of the distribution bin (12) is provided with a second feeding bin (14), the bottom end of the distribution bin (12) is provided with an air outlet (15), the right side of the distribution bin (12) is provided with a heating bin (13), the left side of the second rotary kiln (2) is provided with a second feeding bin (14), and the top end of the second feeding bin (14) is provided with a second feeding port (17).

2. The apparatus for desorption of organic contaminants from soil remediation according to claim 1, characterized in that: The output end of the first servo motor (6) is connected with the first rotating shaft (5), the first rotating shaft (5) rotates at an angle in the first feeding bin (3), and the first feeding port (4), the first feeding bin (3) and the first rotary kiln (1) are connected.

3. The apparatus for desorption of organic contaminants from soil remediation according to claim 1, wherein: The first rotary kiln (1) and the second rotary kiln (2) have a certain inclination, and the temperatures of the two groups of heating bins (13) are different.

4. The apparatus for desorption of organic contaminants from soil remediation according to claim 1, wherein: The first rotary kiln (1) is connected with the distribution bin (12), the second rotary kiln (2) is connected with the distribution bin (12), and the air outlet (15), the distribution bin (12) and the discharge port (16) are connected.

5. The apparatus for desorption of organic contaminants from soil remediation according to claim 1, wherein: The right side of the second rotary kiln (2) is provided with a cooling bin (18), the top end of the cooling bin (18) is provided with a third feeding port (19), the inside of the cooling bin (18) is movably connected with a second rotating shaft (21), the left side of the cooling bin (18) is provided with a third servo motor (20), the inside of the cooling bin (18) is provided with a cooling coil (23), the right side of the third feeding port (19) is provided with a liquid inlet (22), and the right side of the top end of the cooling bin (18) is provided with a liquid outlet (24).

6. The apparatus for desorption of organic contaminants from soil remediation according to claim 5, characterized in that: The output end of the third servo motor (20) is connected with the second rotating shaft (21), the third feeding port (19) is connected with the inside of the cooling bin (18), the cooling coil (23) is closely attached to the inside of the cooling bin (18), and the liquid inlet (22), the cooling coil (23) and the liquid outlet (24) are connected.

7. The apparatus for desorption of organic contaminants from soil remediation according to claim 1, wherein: The top end of the gas outlet (15) is provided with a detection bin (25), the left side of the inside of the detection bin (25) is provided with two groups of fans (26), the right side of the inside of the detection bin (25) is fixedly connected with a gas component detector (27), and the top end of the detection bin (25) is provided with a prompt lamp (28).

8. The apparatus for desorption of organic contaminants from soil remediation according to claim 7, characterized in that: The two groups of fans (26) are opposite to the direction of the gas component detector (27), and the gas component detector (27) detects the gas discharged from the distribution bin (12) in real time.

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