CN212492605U

CN212492605U - Soil remediation equipment

Info

Publication number: CN212492605U
Application number: CN202020461302.XU
Authority: CN
Inventors: 马东辉; 王德举; 齐升东; 丛文洁; 赵申
Original assignee: China Petroleum and Chemical Corp; Sinopec Shanghai Research Institute of Petrochemical Technology
Current assignee: China Petroleum and Chemical Corp; Sinopec Shanghai Research Institute of Petrochemical Technology
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-02-09
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to a soil remediation field discloses a soil remediation equipment, soil remediation equipment includes: a tapered container (1) tapering from top to bottom, the container (1) comprising tapered side walls (11) and a top wall (12); a main stirring shaft (7) coaxially arranged in the vessel (1), the outer periphery of the main stirring shaft (7) being provided with helical blades; an auxiliary stirring shaft (8) in the vessel (1) and the periphery of the auxiliary stirring shaft (8) is provided with helical blades, the auxiliary stirring shaft (8) being rotatable around the main stirring shaft (7); and a drive assembly (3) for driving the main (7) and auxiliary (8) agitator shafts. Through above-mentioned technical scheme, the (mixing) shaft that sets up in two different positions can be more comprehensively to stirring such as soil in the container for the stirring degree of consistency of soil is higher, can restore soil more fast, improves the prosthetic efficiency of soil.

Description

Soil remediation equipment

Technical Field

The utility model relates to a soil remediation field specifically relates to a soil remediation equipment.

Background

Soil pollution has the characteristics of concealment, hysteresis, accumulation and durability, can directly cause pollution to crops and food, causes harm to human along with a food chain, can also directly contact the human body, and causes harm to human in the forms of particles, gas, aerosol and the like through the mouth, the nose and the skin.

At present, a plurality of technologies for soil remediation are available, such as a solidification-stabilization technology, a soil leaching remediation technology, a soil remediation oxidation-reduction technology, a contaminated soil bioremediation technology, a soil pollutant pyrolysis remediation technology, and the like, and the remediation technologies need to be implemented by matching soil remediation equipment, wherein the soil remediation equipment comprises a container for bearing soil and corresponding various additives, and a stirring and mixing part is arranged in the container to uniformly stir various materials in the container, so that the soil remediation is implemented. However, in the repair equipment in the prior art, the stirring uniformity of materials in the container is insufficient, and the repair efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a soil remediation equipment to solve the problem that the stirring degree of consistency is not enough such as the soil of waiting to restore and additive.

In order to achieve the above object, the utility model provides a soil remediation equipment, wherein, soil remediation equipment includes:

a tapered container tapering from top to bottom, the container comprising a tapered sidewall and a top wall connected to an upper peripheral edge of the sidewall;

a self-rotatable main stirring shaft coaxially disposed in the vessel, the main stirring shaft being provided at its outer periphery with helical blades;

a self-rotatable auxiliary agitator shaft extending in the vessel parallel to a generatrix on the sidewall and having a periphery provided with helical blades adjacent the sidewall, the auxiliary agitator shaft being rotatable about a central axis of the main agitator shaft; and

and the driving component is used for driving the main stirring shaft and the auxiliary stirring shaft.

Optionally, the vessel is provided with a main stirring seat rotatably mounted on the top wall and connected to the main stirring shaft, and an auxiliary stirring seat connected to the auxiliary stirring shaft, and the auxiliary stirring seat is connected to the main stirring seat through a cantilever.

Optionally, the top wall is connected with a feed pipe, the central axis of the feed pipe is parallel to a generatrix on the side wall, and the side part of the feed pipe is provided with a liquid feed pipe.

Optionally, the bottom of the container is provided with a discharge port surrounded by the side wall, and the discharge port is provided with a valve member capable of being sealed and opened.

Optionally, the discharge opening is provided with a filter element that can be opened and closed.

Optionally, an air inlet pipe is connected to the side wall and positioned below the filter element.

Optionally, the soil remediation device includes heating lines disposed on the sidewall and in the main and auxiliary agitator shafts.

Optionally, a sampling tube is attached to the sidewall.

Optionally, the soil remediation device includes a dust separator connected to the top wall and a gas collection vessel connected to the dust separator.

Optionally, the dust remover includes a jar body, sets up filter bag in the jar body, connect in jar body and be located filter bag impurity discharge gate below, set up in jar body and be located filter bag is above the washing piece, set up in jar body on and connect in the intake pipe of washing piece, connect in the blast pipe of the jar body, the gas collecting container connect in the blast pipe.

Through above-mentioned technical scheme, the (mixing) shaft that sets up in two different positions can be more comprehensively to stirring such as soil in the container for the stirring degree of consistency of soil is higher, can restore soil more fast, improves the prosthetic efficiency of soil.

Drawings

Fig. 1 is a schematic structural diagram of a soil remediation device according to an embodiment of the present invention.

Description of the reference numerals

1 container 2 dust remover

3 drive assembly 4 valve member

5 feeding pipe 6 gas collecting container

7 main stirring shaft and 8 auxiliary stirring shafts

9 cantilever

11 side wall 12 roof

13 sampling tube 14 heating pipeline

15 filter 16 air-supply lines

17 heating pipe inlet and 18 heating pipe outlet

21 tank 22 filter bag

23 impurity discharge port 24 cleaning piece

25 exhaust pipe 26 intake pipe

51 liquid feed pipe

71 main stirring base

81 auxiliary stirring seat

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides a soil remediation equipment, wherein, soil remediation equipment includes:

a tapered container 1 tapered from top to bottom, said container 1 comprising a tapered side wall 11 and a top wall 12 connected to an upper peripheral edge of said side wall 11;

a main stirring shaft 7 capable of rotating automatically coaxially arranged in the container 1, the periphery of the main stirring shaft 7 is provided with helical blades;

a self-rotatable auxiliary stirring shaft 8 extending in the vessel 1 parallel to a generatrix on the side wall 11, and the outer periphery of the auxiliary stirring shaft 8 is provided with helical blades abutting the side wall 11, the auxiliary stirring shaft 8 being rotatable about the central axis of the main stirring shaft 7; and

a driving component 3 for driving the main stirring shaft 7 and the auxiliary stirring shaft 8.

The container 1 is formed into a conical shape and can be used for containing soil to be restored and related additives, and the like, and the main stirring shaft 7 and the auxiliary stirring shaft 8 can uniformly stir the soil and the like in the container 1, so that the soil restoration speed and effect are improved. Wherein, main (mixing) shaft 7 is coaxial and be provided with rotating vane with container 1, drives object around through helical blade when main (mixing) shaft 7 is rotatory, can stir holistic soil etc. between two parties. The auxiliary stirring shaft 8 is parallel to only one generatrix of the side wall 11 and extends along the side wall 11, a helical blade is arranged on the auxiliary stirring shaft 8, the helical blade is adjacent to the side wall 11, the minimum distance between the two is not more than 0.8cm, when the auxiliary stirring shaft 8 rotates automatically, materials close to the side wall 11 can be stirred through the helical blade, the helical blade can scrape the materials on the side wall 11, in addition, the auxiliary stirring shaft 8 can rotate around the main stirring shaft 7 to do circular motion, the materials near the side wall 11 of the whole container are stirred circularly, in addition, the rotating helical blade can drive the materials to move upwards or downwards along the approximately up-down direction, and the uniform stirring effect is improved.

The main stirring shaft 7 and the auxiliary stirring shaft 8 are driven by a driving assembly, the driving assembly 3 can be a motor assembly comprising a motor and a speed reducer, and can also be a hydraulic power assembly comprising a hydraulic motor, a speed reducer and the like, and the driving assembly 3 can be arranged on the top wall 12.

In addition, a main stirring seat 71 rotatably mounted on the top wall 12 and connected to the main stirring shaft 7, and an auxiliary stirring seat 81 connected to the auxiliary stirring shaft 8 are provided in the container 1, and the auxiliary stirring seat 81 is connected to the main stirring seat 71 through a cantilever 82. The transmission of main stirring seat 71 is connected in drive assembly 3, and main stirring seat 71 is rotatably installed on roof 12, and be connected in main (mixing) shaft 7 in order to drive main (mixing) shaft 7 rotatory, and supplementary stirring seat 81 is connected in supplementary (mixing) shaft 8, and supplementary stirring seat 81 is connected in main stirring seat 71 through cantilever 9, generally speaking, main stirring seat 71, supplementary stirring seat 81 and cantilever 9 are the connection structure between main (mixing) shaft 7 and the supplementary (mixing) shaft 8 for supplementary (mixing) shaft 8 can make circular motion around main (mixing) shaft 7. In particular, the cantilever 9 and the auxiliary stirring base 81 are provided with a transmission member for driving and connecting the auxiliary stirring shaft 8 to the driving component 3, so that the auxiliary stirring shaft 8 can rotate automatically.

In other embodiments, the driving assembly 3 may be divided into two sets for driving the main stirring shaft 7 and the auxiliary stirring shaft 8 respectively, and one set of driving assembly 3 for driving the auxiliary stirring shaft 8 may be disposed in the auxiliary stirring seat 81.

Optionally, a feed pipe 5 is connected to the top wall 12, the central axis of the feed pipe 5 is parallel to a generatrix on the side wall 11, and a liquid feed pipe 51 is arranged at the side of the feed pipe 5. The feeding pipe 5 extends in a direction parallel to one of the generatrices of the side wall 11, i.e. it extends obliquely, through which feeding pipe 5 soil, additives, etc. can be fed into the container 1, and the soil entering the container has a vertical and horizontal component velocity, which can be distributed more evenly in the container 1. In addition, a liquid feed pipe 51 is connected to the side of the feed pipe 5, and the diameter of the liquid feed pipe 51 is relatively small, so that the liquid feed pipe can be used for adding a small amount of liquid additives and the like.

In addition, the bottom of the container 1 is provided with a discharge port 19 surrounded by the side wall 11, and a valve member 4 capable of being sealed and opened is provided at the discharge port 19. Referring to fig. 1, the tapered sidewall 11 does not form a closed structure at the bottom, but forms an open discharge port 19 and is sealed by a valve member 14, the valve member 14 may be a half-ball valve, and the rotating half-ball valve can open or seal the discharge port 19, so that the material inside can be discharged through the discharge port 19.

Further, the discharge port 19 is provided with a filter member 15 that can be opened and closed. The filter element 15 may be a metal mesh which blocks solid material and allows liquid to pass through, for example, liquid in the soil to be remediated may be allowed to pass through the metal mesh and be discharged from the discharge opening 19. And the metal net can be opened to discharge the soil or the like in the container 1.

In addition, an air inlet pipe 16 is connected to the side wall 11 below the filter member 15. Air or inert gas can be blown into the container 1 through the air inlet pipe 16, and the air or inert gas flows upward from the bottom of the container 1, so that the decomposed substances carrying the organic pollutants in the soil can continue to flow upward and be discharged, for example, into the gas collection container 6 through the dust collector 2 described in the following embodiment.

Furthermore, the soil remediation device comprises a heating line 14 disposed on the side wall 11 and in the main and auxiliary mixer shafts 7, 8. The heating pipeline 14 is arranged on the outer surface of the side wall 11, the heating pipeline 14 can be covered by a heat insulation protective layer, the heating pipeline 14 is connected with a heating pipe inlet 17 and a heating pipe outlet 18, high-temperature fluid can be input into the heating pipeline 14 through the heating pipe inlet 17, the high-temperature fluid releases heat to the container 1 to heat materials in the container, and then the materials are discharged through the heating pipe outlet 18. Furthermore, the heating pipeline 14 can be arranged in the main stirring shaft 7 and the auxiliary stirring shaft 8 to heat the internal materials far away from the side wall 11, the heating pipeline 14 on the side wall 11 and the heating pipelines 14 in the main stirring shaft 7 and the auxiliary stirring shaft 8 can respectively and independently operate, and the heating pipelines 14 at different parts can be opened according to the soil treatment requirement. In other embodiments, the heating circuit 14 may be in the form of a resistance wire, or may be in the form of an electromagnetic induction heating coil.

Optionally, a sampling tube 13 is attached to the side wall 11. Referring to fig. 1, the sampling tube 13 is located at a lower position of the sidewall 11, and can directly take out a desired sample even when the container 1 has a small amount of material to check the material handling condition inside. In addition, a parameter measuring part such as a pressure gauge or a thermometer may be attached to the side wall 11 or the top wall 12.

In addition, the soil remediation device comprises a dust separator 2 connected to the top wall 12 and a gas collection vessel 6 connected to the dust separator 2. As described above, the polluted gas generated when the soil is treated can be discharged from the top of the container 1 into the dust collector 2, the dust collector 2 filters the polluted gas to filter out solid particles therein, and the filtered gas can be discharged to the gas collecting container 6 to be centrally stored.

Specifically, the dust collector 2 includes a jar body 21, sets up filter bag 22 in the jar body 21, connect in jar body 21 and be located impurity discharge gate 23, the setting of filter bag 22 below are in jar body 21 and be located wash piece 24, the setting on filter bag 22 are in jar body 21 is last and connect in wash piece 24 the intake pipe 26, connect in the blast pipe 25 of jar body 21, gas collection container 6 connect in the blast pipe 25. The filter bag 22 can filter the gas from the container 1, allow the gas to flow upwards and filter solid particles in the gas, and a foreign material outlet 23 connected to the tank 21 can discharge foreign materials filtered by the filter bag 22; the upper part of the tank body 21 is provided with an exhaust pipe 25 to convey the filtered gas to the gas collecting container 6; the filter bag 22 is provided at an upper portion thereof with a cleaning member 24, and high-pressure gas is supplied to the cleaning member 24 through an inlet pipe 26, and the cleaning member 24 blows the high-pressure gas toward the filter bag 22 to blow off solid particles attached to the filter bag 22 and further discharged from the impurity discharge port 23, and the cleaning operation is performed by disconnecting the tank 21 from the container 1.

The soil remediation device of the present aspects may be used for a variety of remediation techniques, including but not limited to eluent remediation techniques, biological bacteria remediation techniques, and the like.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A soil remediation device, the soil remediation device comprising:

a tapered container (1) tapering from top to bottom, said container (1) comprising a tapered side wall (11) and a top wall (12) connected to an upper peripheral edge of said side wall (11);

a main stirring shaft (7) capable of rotating automatically coaxially arranged in the container (1), wherein the periphery of the main stirring shaft (7) is provided with a helical blade;

-an auxiliary stirring shaft (8) in said vessel (1) extending parallel to a generatrix on said side wall (11) and being self-rotatable, and the periphery of said auxiliary stirring shaft (8) being provided with helical blades adjacent to said side wall (11), said auxiliary stirring shaft (8) being rotatable around the central axis of said main stirring shaft (7); and

a drive assembly (3) for driving the main (7) and auxiliary (8) agitator shafts.

2. Soil remediation device according to claim 1, wherein a main mixing base (71) rotatably mounted to the top wall (12) and connected to the main mixing shaft (7), an auxiliary mixing base (81) connected to the auxiliary mixing shaft (8), the auxiliary mixing base (81) being connected to the main mixing base (71) by a cantilever (82), are provided in the container (1).

3. Soil remediation device according to claim 1, characterized in that a feed pipe (5) is connected to the top wall (12), the central axis of the feed pipe (5) being parallel to one generatrix on the side wall (11), the side of the feed pipe (5) being provided with a liquid feed pipe (51).

4. Soil remediation device according to claim 1, characterized in that the bottom of the container (1) is provided with a spout (19) enclosed by the side wall (11), and that a valve member (4) which can be sealed and opened is provided at the spout (19).

5. Soil remediation device according to claim 4, wherein the discharge opening (19) is provided with a filter element (15) that can be opened and closed.

6. Soil remediation device according to claim 5, wherein an air inlet duct (16) is connected to the side wall (11) below the filter element (15).

7. Soil remediation device according to claim 1, characterized in that it comprises heating lines (14) provided on the side wall (11) and in the main (7) and auxiliary (8) agitation shafts.

8. Soil remediation device according to claim 1, characterized in that a sampling tube (13) is connected to the side wall (11).

9. Soil remediation device according to claim 1, characterized in that the soil remediation device comprises a dust separator (2) connected to the top wall (12) and a gas collection vessel (6) connected to the dust separator (2).

10. Soil remediation device according to claim 9, characterized in that the dust separator (2) comprises a tank (21), a filter bag (22) arranged in the tank (21), a dirt outlet (23) connected to the tank (21) and located below the filter bag (22), a cleaning member (24) arranged in the tank (21) and located above the filter bag (22), an inlet pipe (26) arranged on the tank (21) and connected to the cleaning member (24), an outlet pipe (25) connected to the tank (21), the gas collection container (6) being connected to the outlet pipe (25).