CN212143924U

CN212143924U - Organic contaminated soil prosthetic devices

Info

Publication number: CN212143924U
Application number: CN201922446867.0U
Authority: CN
Inventors: 陈宪; 刘学鹏; 解付兵; 郭海平; 刘宜德
Original assignee: Shenzhen Yuepeng Environmental Protection Technology Co Ltd; Hunan Jingyi Xiangtai Environmental Protection High Tech Development Co Ltd
Current assignee: Shenzhen Yuepeng Environmental Protection Technology Co Ltd; Hunan Jingyi Xiangtai Environmental Protection High Tech Development Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-12-15
Anticipated expiration: 2029-12-27

Abstract

An organic contaminated soil remediation device comprises a box body, wherein the top of the box body is provided with a feed hopper and a dosing port, an inner cavity is sequentially divided into a first-stage soil remediation chamber provided with a vibration scattering sieve and a plurality of groups of wheel-type stirrers, a second-stage soil remediation chamber provided with a spiral drum stirrer and a post-remediation soil temporary storage chamber provided with a bulldozing component from top to bottom, the wheel-type stirrers are arranged in parallel and rotate in the same direction, the spiral drum stirrer is arranged horizontally and is perpendicular to the wheel-type stirrers, the feeding side of the wheel-type stirrers is communicated with the feed hopper, the discharging side of the spiral drum stirrer is communicated with the post-remediation soil temporary storage chamber through a soil unloading plate, the bulldozing component is positioned below the soil unloading plate, and the bottom end of the side wall of the post-remediation soil temporary storage chamber opposite to; the vibrating material scattering sieve is positioned above the wheel type stirrer and is communicated with the outlet end of the medicine feeding port. The utility model has the advantages of small occupied area of the facility, convenient movement, high processing integration level, high repair efficiency and the like.

Description

Organic contaminated soil prosthetic devices

Technical Field

The utility model relates to a soil remediation technical field, concretely relates to organic contaminated soil adds medicine stirring integration equipment: organic contaminated soil prosthetic devices.

Background

With the policy implementation of eliminating the backward capacity, a large number of old industrial enterprises are shut down and turned over, so that a large number of legacy industrial lands are generated, and particularly, legacy chemical lands such as pesticide production and chemical raw material production are generated. The treatment amount of the organic polluted soil is large and the treatment range is wide.

At present, organic pollutants are removed from soil mainly by physical, chemical and biological technologies through engineering technical means. However, most organic pollutants in the organic polluted soil have volatility or semi-volatility, the requirement on the sealing of facilities and equipment in the repairing process is high, and the key point for ensuring the repairing effect is that the medicament is in full contact with the organic pollutants in the treating process. However, the common organic contaminated soil dosing treatment equipment has large facility occupied area, is not easy to move, has low integration level in the treatment process, and influences the treatment efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a facility area is little, remove convenient, the integrated level of processing process is high, remediation efficiency is high organic pollution soil prosthetic devices.

In order to solve the technical problem, the utility model provides a technical scheme does:

the organic contaminated soil remediation device comprises a closed box body, wherein a feed hopper and a dosing port are arranged at the top of the box body, one side of an inner cavity of the box body is sequentially divided into a first-stage soil remediation chamber, a second-stage soil remediation chamber and a post-remediation soil temporary storage chamber from top to bottom, and a plurality of groups of wheel type stirrers which are horizontally arranged in parallel and rotate in the same direction and are used for mixing contaminated soil and remediation agents at one time and a vibration sprinkling sieve which is positioned above the wheel type stirrers and is communicated with an outlet end of the dosing port and used for sprinkling the agents are arranged in the first-stage soil remediation chamber; the indoor horizontal spiral cylinder agitator that is used for secondary mixed contaminated soil and restoration medicament of installing of second grade soil restoration, the axial vertical of spiral cylinder agitator and wheeled agitator, the feed side of wheeled agitator with the feeder hopper intercommunication, the discharge side passes through the feed end intercommunication of pipeline and spiral cylinder agitator, the discharge end of spiral cylinder agitator through unload the native board with restore back soil temporary storage room intercommunication, restore back soil temporary storage room and be equipped with bulldozing the subassembly in the below of unloading the native board, restore back soil temporary storage room and be equipped with inclosed discharge gate with bulldozing the lateral wall bottom relative of subassembly.

As a further improvement of the above technical solution:

preferably, the top of feeder hopper is equipped with airtight cover, airtight cover including enclose locate the feeder hopper top the curb plate and articulate in the fly leaf on curb plate top, be equipped with on the curb plate with feeder hopper inner chamber and external first pneumatic valve and the extraction opening that communicates.

Preferably, the top of the first-stage soil remediation chamber is provided with a second air valve for communicating the inner cavity of the first-stage soil remediation chamber with the outside.

Preferably, the top of the first-stage soil remediation chamber is further provided with an activated carbon adsorber for adsorbing harmful gases generated in the soil remediation process, and the top end of the activated carbon adsorber is provided with an exhaust port for exhausting the harmful gases.

Preferably, the wheel type stirrers are provided with three groups, each of the three groups of wheel type stirrers comprises a rotating shaft and a plurality of stirring wheels arranged on the rotating shaft, two ends of the rotating shaft are supported on the side wall of the one-level soil remediation chamber, and the rotating shaft is driven to rotate by a first driving mechanism arranged outside the one-level soil remediation chamber.

Preferably, the spiral drum stirrer comprises a drum and a spiral rotating shaft, the spiral rotating shaft penetrates through the center of the drum, two ends of the spiral rotating shaft are supported on the side wall of the secondary soil remediation chamber, and the spiral rotating shaft and the drum are driven by a second driving mechanism arranged outside the secondary soil remediation chamber to rotate so as to stir the soil and push the soil to advance.

Preferably, the bulldozing component comprises a spring and a bulldozing plate, the bulldozing plate is vertically arranged and is parallel to the side wall of the repaired soil temporary storage chamber, one end of the spring is fixedly connected with the center of one side of the bulldozing plate, the other end of the spring is fixedly connected with the side wall of the repaired soil temporary storage chamber, and the bulldozing plate is driven by a third driving mechanism arranged outside the repaired soil temporary storage chamber to push out the repaired soil from the discharge hole.

Preferably, the repaired soil temporary storage chamber is hinged with a movable door for sealing the discharge port on the side wall provided with the discharge port.

Preferably, the other side of the inner cavity of the box body is also provided with a medicament bin positioned below the feed hopper, and the medicament feeding port is communicated with the medicament bin.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an organic contaminated soil prosthetic devices through combining wheeled stirring, spiral cylinder stirring, zonulae occludens builds organic contaminated soil integration prosthetic devices, makes soil and restoration medicament can carry out twice mixed stirring, has fully considered organic contaminant's the principle of getting rid of, carries out better technology combination to the restoration of organic contaminated soil, and the repair efficiency is high. The device is compact in layout, flexible in movement and simple and convenient to operate, and can be used on site in a contaminated soil field and also used in a centralized contaminated soil remediation field.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Illustration of the drawings:

1. a hermetic cover; 2. a first air valve; 3. an air extraction opening; 4. a feed hopper; 5. a medicament bin; 6. a motor control room; 7. an exhaust port; 8. an activated carbon adsorber; 9. a second air valve; 10. a medicine adding port; 11. vibrating a material scattering sieve; 12. a wheel mixer; 13. a helical drum agitator; 14. a temporary soil storage chamber after remediation; 15. unloading the soil plate; 16. a bulldozer blade.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Referring to fig. 1, an embodiment of the organic contaminated soil remediation device of the present invention comprises a closed box, wherein a feed hopper 4 and a chemical feeding port 10 are provided at the top of the box, one side of the inner cavity of the box is divided into a first-stage soil remediation chamber equipped with a wheel type stirrer 12 and a vibrating scattering screen 11, a second-stage soil remediation chamber equipped with a helical roller stirrer 13, and a post-remediation soil temporary storage chamber 14 equipped with a bulldozer component, in sequence, from top to bottom, by a partition, the wheel type stirrer 12 is provided with a plurality of groups (preferably three groups), the three groups of wheel type stirrers 12 are horizontally arranged in parallel and rotate in the same direction, the helical roller stirrer 13 is horizontally arranged below the wheel type stirrer 12 and is vertical to the axial direction thereof, the feeding side of the wheel type stirrer 12 is communicated with the bottom end of the feed hopper through a feed pipe, the discharging side of the wheel type stirrer 12, the three groups of wheel type stirrers 12 are used for mixing the polluted soil and the remediation agent for the first time and driving the soil to move forwards to the discharging side; the spiral roller stirrer 13 is used for mixing the polluted soil and the repairing agent for the second time and pushing the soil to move forwards to a discharge end, the discharge end of the spiral roller stirrer 13 is communicated with the repaired soil temporary storage chamber 14 through a soil unloading plate 15, the soil pushing assembly is positioned below the soil unloading plate 15, and the bottom end of the side wall, opposite to the soil pushing assembly, of the repaired soil temporary storage chamber 14 is provided with a sealable discharge hole; the repaired soil is pushed out from the discharge hole through the bulldozing assembly. The vibrating spreading sieve 11 is located above the wheel type stirrer 12 and can uniformly spread the chemicals added from the chemical adding port 10 to the surface of the contaminated soil stirred by the wheel type stirrer 12. When the utility model is used for treating soil, the reaction between organic pollutants and chemical agents is mainly decomposition or degradation reaction, and the reaction time is very short, so that the vibrating material scattering sieve 11 can ensure that the agents are fully contacted with the polluted soil, and a better removal effect is achieved; three groups of wheel type stirrers 12 rotating in the same direction are arranged, and the polluted soil can be driven to move forwards while the reagents and the soil are uniformly mixed; the soil and the medicament after primary stirring can be further mixed uniformly by the rotation of the drum in the spiral drum stirrer 13, and finally the treated soil can be moved from one end to the other end by the rotation of the spiral shaft in the spiral drum stirrer 13; finally, the soil unloading plate falls into the repaired soil temporary storage chamber 14 at the lower part, and the soil pushing assembly pushes out the discharge hole of the repaired soil temporary storage chamber 14. The device has the advantages of simple structure, compact layout, flexible movement and simple and convenient operation, and can be used on site in a contaminated soil field and also used in a centralized contaminated soil remediation field.

In this embodiment, the top of feeder hopper 4 is equipped with sealed cowling 1, and sealed cowling 1 is equipped with first pneumatic valve 2 and the extraction opening 3 with the 4 inner chambers of feeder hopper and external intercommunication including enclosing the curb plate of locating the feeder hopper 4 top and articulating in the fly leaf on curb plate top on the curb plate 1. The first air valve 2 is used for keeping the air pressure inside the closed cover 1 balanced. The extraction opening 3 is used for extracting harmful gas generated by contaminated soil in the closed cover, so that the closed cover 1 and the feed hopper 4 form a negative pressure environment, and the tightness of the contaminated soil in the transmission process is ensured.

In this embodiment, the top of the primary soil remediation chamber is provided with a second air valve 9 for communicating the inner cavity thereof with the outside and an activated carbon adsorber 8 for adsorbing harmful gases generated in the soil remediation process, and the top of the activated carbon adsorber 8 is provided with an exhaust port 7 for exhausting the harmful gases. The second air valve 9 is used for ensuring the indoor pressure and preventing the air pressure from being overlarge.

In this embodiment, the other side of the inner cavity of the box body is further provided with a medicament bin 5 located below the feed hopper 4, and the medicament feeding port 10 can be communicated with the medicament bin 5 through a medicament feeding pump and a conveying pipe.

In this embodiment, three sets of wheel stirrers 12 are provided, each of the three sets of wheel stirrers 12 includes a rotating shaft and a plurality of stirring wheels uniformly mounted on the rotating shaft, both ends of the rotating shaft are supported on the side wall of the first soil remediation chamber, and the rotating shaft is driven to rotate by a first driving mechanism disposed in the box body but outside the first soil remediation chamber.

In this embodiment, the helical drum agitator 13 includes a drum and a helical rotating shaft, the helical rotating shaft passes through the center of the drum and both ends of the helical rotating shaft are supported on the side wall of the second-stage soil remediation chamber, and the helical rotating shaft and the drum are driven to rotate by a second driving mechanism which is arranged in the box body and is located outside the second-stage soil remediation chamber so as to agitate the soil and push the soil to advance.

In this embodiment, the dozing component includes a spring and a dozing plate 16, the dozing plate 16 is vertically disposed and parallel to the sidewall of the repaired soil temporary storage chamber, one end of the spring is fixedly connected to the center of one side of the dozing plate 16, the other end of the spring is fixedly connected to the sidewall of the repaired soil temporary storage chamber, and the dozing plate 16 is driven by a third driving mechanism disposed in the box body and located outside the repaired soil temporary storage chamber to push out the repaired soil from the discharge hole of the repaired soil temporary storage chamber 14.

In this embodiment, the sidewall of the soil temporary storage chamber 14 with the discharge port after remediation is hinged with a movable plate, which can seal the discharge port when the soil is not pushed out, so as to ensure the sealing performance of the organic pollutant remediation chamber.

In this embodiment, the first, second, and third driving mechanisms are preferably motors (in the prior art, not shown in the figures), and are controlled to start and stop by a motor control chamber 6 disposed below the chemical storage bin 5.

The process flow and the steps are as follows:

1. the organic contaminated soil falls into the feed hopper 4 through the movable plate of the closed cover 1 and is conveyed into the wheel type stirrer 12, meanwhile, the vibration material scattering sieve 11 is used for adding the organic contaminant removing agent, and the wheel type stirrer 12 is used for carrying out first stirring restoration on the contaminated soil.

2. The soil after the first stirring is repaired falls into the spiral drum stirrer 13 through the pipeline, and the soil is further stirred and repaired for the second time so as to accelerate the reaction of the medicament and pollutants.

3. The soil after the second remediation treatment falls into the post-remediation soil temporary storage chamber 14 at the lower part through the soil unloading plate 15, and is finally pushed out from the discharge hole of the post-remediation soil temporary storage chamber 14 through the bulldozer 16.

4. Harmful gas generated in the organic pollutant removing process is adsorbed by an activated carbon adsorber 8 at the top end and then is exhausted through an exhaust port 7.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an organic contaminated soil prosthetic devices, includes airtight box, the top of box is equipped with feeder hopper (4) and adds medicine mouth (10), its characterized in that: one side of the inner cavity of the box body is sequentially divided into a first-stage soil remediation chamber, a second-stage soil remediation chamber and a post-remediation soil temporary storage chamber (14) from top to bottom, and a plurality of groups of wheel type stirrers (12) which are horizontally arranged in parallel and rotate in the same direction for mixing polluted soil and remediation agents for one time and a vibration spreading sieve (11) which is positioned above the wheel type stirrers (12) and is communicated with the outlet end of the dosing port (10) for spreading the agents are arranged in the first-stage soil remediation chamber; the indoor horizontal spiral drum agitator (13) that is used for secondary mixed contaminated soil and restoration medicament of installing of second grade soil restoration, spiral drum agitator (13) and the axial vertical of wheeled agitator (12), the feed side of wheeled agitator (12) with feeder hopper (4) intercommunication, the discharge side passes through the feed end intercommunication of pipeline and spiral drum agitator (13), the discharge end of spiral drum agitator (13) through unload native board (15) with restore back soil temporary storage room (14) intercommunication, restore back soil temporary storage room (14) in unload the below of native board (15) and be equipped with the bull dozer subassembly, restore back soil temporary storage room (14) the lateral wall bottom relative with the bull dozer subassembly and be equipped with the discharge gate that can the airtight.

2. The organic contaminated soil remediation device of claim 1, wherein: the top of feeder hopper (4) is equipped with airtight cover (1), airtight cover (1) including enclose locate feeder hopper (4) top curb plate and articulate in the fly leaf on curb plate top, be equipped with on the curb plate with first pneumatic valve (2) and extraction opening (3) of the inner chamber of feeder hopper (4) and external intercommunication.

3. The organic contaminated soil remediation device of claim 2, wherein: and a second air valve (9) for communicating the inner cavity of the first-stage soil remediation chamber with the outside is arranged at the top of the first-stage soil remediation chamber.

4. The organic contaminated soil remediation device of claim 3, wherein: the top of one-level soil restoration room still is equipped with active carbon adsorber (8) that is used for adsorbing the harmful gas that produces among the soil restoration process, the top of active carbon adsorber (8) is equipped with gas vent (7) that are used for discharging harmful gas.

5. The organic contaminated soil remediation device of claim 4, wherein: the three groups of wheel type stirrers (12) are arranged, the three groups of wheel type stirrers (12) comprise rotating shafts and a plurality of stirring wheels arranged on the rotating shafts, the two ends of each rotating shaft are supported on the side wall of the one-level soil remediation chamber, and the rotating shafts are driven to rotate by a first driving mechanism arranged outside the one-level soil remediation chamber.

6. The organic contaminated soil remediation device of claim 4, wherein: the spiral roller stirrer (13) comprises a roller and a spiral rotating shaft, the spiral rotating shaft penetrates through the center of the roller, two ends of the spiral rotating shaft are supported on the side wall of the second-stage soil remediation chamber, and the spiral rotating shaft and the roller are driven to rotate by a second driving mechanism arranged outside the second-stage soil remediation chamber so as to stir soil and push the soil to advance.

7. The organic contaminated soil remediation device of claim 4, wherein: the soil pushing assembly comprises a spring and a soil pushing plate (16), the soil pushing plate (16) is vertically arranged and is parallel to the side wall of the repaired soil temporary storage chamber (14), one end of the spring is fixedly connected with the center of one side of the soil pushing plate (16), the other end of the spring is fixedly connected with the side wall of the repaired soil temporary storage chamber (14), and the soil pushing plate (16) is driven by a third driving mechanism arranged outside the repaired soil temporary storage chamber (14) to push out the repaired soil from the discharge hole.

8. The organic contaminated soil remediation device of any one of claims 1 to 7, wherein: the repaired soil temporary storage chamber (14) is hinged with a movable door for sealing the discharge hole on the side wall provided with the discharge hole.

9. The organic contaminated soil remediation device of any one of claims 1 to 7, wherein: the inner chamber opposite side of box still is equipped with medicament feed bin (5) that are located feeder hopper (4) below, add medicine mouth (10) with medicament feed bin (5) intercommunication.