In-situ curing mixing pile structure with bottom mud adsorption function

Abstract

The utility model provides an in-situ curing mixing pile structure with a bottom mud adsorption function. The solidified mixing pile structure comprises a bottom mud solidified mixing pile, a muddy water isolation protective cover and a muddy water adsorption filtering system. The bottom mud curing and stirring pile is rotatably mounted in the mud water isolation protective cover, the bottom mud curing and stirring pile is of a hollow pipe pile structure with a closed bottom, a plurality of water permeable holes and a stirring shaft are formed in a pile body, and a curing agent conveying connector is formed in the pile body; the muddy water adsorption filtering system comprises a filtering box body and a pump machine, the filtering box body is arranged outside the position, close to the top face of the muddy water isolation protective cover, of the bottom mud solidification stirring pile in a sleeving mode, the pump machine is arranged in a filtering cavity, the filtering box body is fixed to the inner wall of the top face of the muddy water isolation protective cover, and a filtering adsorption layer is arranged in the middle of the filtering box body. River and lake bottom mud is subjected to in-situ solidification treatment in three aspects of bottom mud solidification, mud water isolation and mud water adsorption filtration, the disturbance influence of bottom mud solidification stirring on a water body is reduced, and the river and lake bottom mud solidification treatment capacity and effect are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water environment treatment, and particularly relates to an in-situ solidification mixing pile structure with a bottom mud adsorption function. Background Art

[0002] River and lake sediment treatment refers to the use of engineering measures to clean up contaminated sediment in water bodies with the purpose of improving water quality or reservoir capacity, so as to reduce endogenous pollution and create conditions for the restoration of aquatic ecosystems.

[0003] There are usually two ways to treat river and lake sediments: ex situ treatment and in situ treatment. Ex situ treatment refers to the excavation or dredging of river and lake sediments by dredging machinery. This type of treatment requires secondary harmless treatment of the excavated sediment and the need to find a storage location for the excavated sediment. Ex situ treatment can fundamentally remove sediment pollutants and improve the water quality of rivers and lakes, but the treatment costs and site requirements are high. In situ treatment refers to the consolidation and solidification of sediments through solidification and mixing. It requires the use of biochemical methods such as soft soil solidifiers to consolidate and lock in pollutants inside the sediment. In situ treatment uses a slow digestion method to remove sediment pollutants and improve water quality. It has the advantages of convenient treatment, low site requirements, and low cost requirements. However, the disturbance of sediment by solidification and mixing will release pollutants inside the sediment, causing a certain degree of impact on the water quality of rivers and lakes.

[0004] Therefore, for the in-situ solidification treatment of sediment, it is of great significance and value to develop an in-situ solidification mixing pile structure with sediment adsorption function. Utility Model Content

[0005] The purpose of this utility model is to solve the shortcomings of the above-mentioned background technology and to provide an in-situ solidification and stirring structure with bottom sediment adsorption function. The equipment of the stirring structure is convenient to operate and maintain, has a good bottom sediment adsorption effect, can greatly reduce the impact of bottom sediment solidification and stirring on the water quality of rivers and lakes, and improve the in-situ solidification treatment and disposal effect of bottom sediment.

[0006] In order to achieve the above technical purpose, the utility model provides an in-situ solidification mixing pile structure with bottom mud adsorption function, the mixing pile structure includes a bottom mud solidification mixing pile, a mud and water isolation protective cover and a mud and water adsorption filtration system; the bottom mud solidification mixing pile is rotatably installed in the mud and water isolation protective cover, and a motor is provided on the top of the mud and water protective cover, the output shaft of the motor is connected to the bottom mud solidification mixing pile, the bottom mud solidification mixing pile is a hollow pipe pile structure with a closed bottom, a plurality of water-permeable holes and a stirring shaft are opened on the pile body, a curing agent delivery interface is provided on the top of the bottom mud solidification mixing pile, and the curing agent delivery interface is provided. The interface is located above the mud and water isolation protective cover; the mud and water adsorption filtration system includes a filter box body that is mounted outside the top surface of the mud and water isolation protective cover adjacent to the bottom mud solidification stirring pile and a pump machine arranged in the filter box body. The top of the filter box body is open and fixed to the inner wall of the top surface of the mud and water isolation protective cover. The bottom mud solidification stirring pile passes through the filter box body and is rotatably connected to the filter box body. A filter adsorption layer is provided in the middle of the filter box body. The pump machine is located in the water inlet cavity above the filter adsorption layer in the filter box body. The water inlet pipe of the pump machine extends out of the filter box body. An outlet pipe is provided in the water outlet cavity below the filter adsorption layer of the filter box body.

[0007] The better technical solution of the utility model is as follows: the bottom mud solidification mixing piles are provided with two groups, which are symmetrically arranged in the mud and water isolation protective cover, and a motor is provided on the top of each bottom mud solidification mixing pile.

[0008] The better technical solution of the utility model is as follows: the bottom mud solidification mixing pile is directly extended into the bottom mud layer for solidification and mixing, the lower cover body of the isolation protective cover is embedded in the bottom mud layer, and the isolation protective cover partially covers the water body above the bottom mud layer, and the mud and water adsorption and filtration system is located in the upper water body.

[0009] The preferred technical solution of the present invention is as follows: the stirring shaft is a pipe structure with the pipe mouth facing downwards, and each stirring shaft is installed at the position of the water hole and is sealed and docked with the water hole.

[0010] The preferred technical solution of the utility model is as follows: the filtration and adsorption layer includes a grid sand filter, an activated carbon sponge filter layer, and a pre-filmed biological filler layer.

[0011] The better technical solution of the utility model is as follows: a plurality of water inlet pipes are connected to the filter box on each bottom mud solidification mixing pile, and the plurality of water inlet pipes are connected to the water inlet of the pump in the corresponding filter box, and the pumps in the two filter boxes are fixed in different directions.

[0012] The better technical solution of the utility model is as follows: a plurality of water outlet pipes are provided at the bottom of the filter box on each bottom mud solidification mixing pile, and the plurality of water outlet pipes are evenly distributed in a ring shape at the bottom of the filter box.

[0013] This utility model utilizes a mud and water isolation shield for the sediment, positioned around the sediment solidification and mixing piles to minimize the impact of mud and water disturbance. A mud and water adsorption and filtration system, located within the upper layer of the shield, absorbs and purifies disturbed mud and water, stabilizing water quality. By implementing in-situ sediment solidification, mud and water isolation, and mud and water adsorption and filtration, the sediment on rivers and lakes is solidified, minimizing the impact of sediment solidification and mixing on the water, and improving the capacity and effectiveness of sediment solidification treatment.

[0014] The beneficial effects of this utility model are: it has a strong in-situ solidification treatment capacity for river and lake bottom mud, and at the same time has mud and water adsorption and purification functions, which can effectively reduce the impact of bottom mud stirring on river and lake water quality, reduce the disturbance effect of bottom mud solidification and stirring on the water body, and improve the river and lake bottom mud solidification treatment capacity and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 for Figure 1 AA section view;

[0018] Figure 4 This is a reference diagram of the use state of the utility model;

[0019] In the figure: 1-filtration box, 2-filtration adsorption layer, 3-bottom mud solidification mixing pile, 4-water permeable hole, 5-motor, 6-curing agent delivery interface, 7-isolation protective cover, 8-water inlet pipe, 9-water outlet pipe, 10-pump, 11-mixing shaft, 12-silt bottom layer, 13-upper water body. DETAILED DESCRIPTION

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not constitute a limitation to the present invention.

[0021] The embodiment provides an in-situ solidification mixing pile structure with bottom mud adsorption function, such as Figures 1 to 4As shown, the mixing pile structure includes a bottom mud solidification mixing pile 3, a mud and water isolation protective cover 7 and a mud and water adsorption filtration system; the bottom mud solidification mixing pile 3 is rotatably installed in the mud and water isolation protective cover 7, and a motor 5 is provided on the top of the mud and water protection cover 7, the output shaft of the motor 5 is connected to the bottom mud solidification mixing pile 3, the bottom mud solidification mixing pile 3 is a hollow pipe pile structure with a closed bottom, a plurality of water-permeable holes 4 and a mixing shaft 11 are opened on the pile body, a curing agent delivery interface 6 is provided on the top of the bottom mud solidification mixing pile 3, and the curing agent delivery interface 6 is located above the mud and water isolation protective cover 7; the mud and water adsorption filtration system The system includes a filter housing 1 that is sleeved outside the top surface of the mud-water isolation shield 7 near the bottom mud-water solidification mixing pile 3, and a pump 10 disposed within the filter housing 1. The top of the filter housing 1 is open and fixed to the inner wall of the top surface of the mud-water isolation shield 7. The bottom mud-water solidification mixing pile 3 passes through the filter housing 1 and is rotatably connected to the filter housing 1. A filter adsorption layer 2 is provided in the middle of the filter housing 1. The pump 10 is located in the water inlet cavity above the filter adsorption layer 2 in the filter housing 1. The water inlet pipe 8 of the pump 10 extends out of the filter housing 1. An outlet pipe 9 is provided in the water outlet cavity below the filter adsorption layer 2 of the filter housing 1. A rotating bearing can be provided at the bottom of the filter housing 1. Then, to ensure that the bottom mud-water solidification mixing pile 3 can pass through the filter housing 1 and rotate within the filter housing 1, the filter housing 1 can be configured as a circular shape, and a through hole matching the filter housing 1 is provided in its center, allowing the filter housing 1 to pass through the through hole.

[0022] In this embodiment, permeable holes 4 are provided on the sidewalls of the sediment solidification mixing piles 3 for dispensing sediment solidifiers. A mud and water isolation shield 7 is positioned around the sediment solidification mixing piles 3 to minimize the impact of mud and water disturbances. A mud and water adsorption and filtration system, located within the upper layer of the shield, absorbs and purifies disturbed mud and water, stabilizing water quality. This in-situ solidification treatment of river and lake sediments, achieved through the integration of sediment solidification, mud and water isolation, and mud and water adsorption and filtration, reduces the impact of sediment solidification and mixing on water bodies, and improves the capacity and effectiveness of sediment solidification treatment.

[0023] The mud-water isolation shield 7 described in the embodiment is welded from steel plates and can be customized according to the sediment solidification depth and the working radius of the mixing pile. During use, it should be adjusted according to the actual water level and terrain conditions. The sediment solidifying agent is a solid-liquid separator, a granular structure improver, a sediment repair agent, a heavy metal passivator, etc., prepared in specific proportions to improve the physical and mechanical properties of the sediment and form a long-term stable solidified body. The filtration system includes a grid sand filter layer, an activated carbon sponge filter layer, and a pre-filmed biofiller layer, which respectively adsorb pollutants such as suspended solids, heavy metals, and organic matter.

[0024] The embodiment provides an in-situ solidification mixing pile structure with a sediment adsorption function. In order to ensure the mixing and solidification effect, two groups of sediment solidification mixing piles 3 are provided. The two groups of sediment solidification mixing piles 3 are symmetrically arranged in a mud-water isolation protective cover 7. A motor 5 is provided on the top of each sediment solidification mixing pile 3. A plurality of water inlet pipes 8 are connected to the filter box 1 on each sediment solidification mixing pile 3. The plurality of water inlet pipes 8 are connected to the water inlet of the pump 10 in the corresponding filter box 1, and the pumps 10 in the two filter boxes 1 are fixed in different directions. A plurality of water outlet pipes 9 are provided at the bottom of the filter box 1 on each sediment solidification mixing pile 3. The plurality of water outlet pipes 9 are evenly distributed in a ring shape at the bottom of the filter box 1. The stirring shaft 11 is a pipe structure with the pipe mouth facing downward. Each stirring shaft 11 is installed at the position of the water permeable hole 4 and is sealed and docked with the water permeable hole 4. The filtration and adsorption layer 2 includes a grid sand filter, an activated carbon sponge filter layer, and a pre-filmed biological filler layer.

[0025] The embodiment provides an in-situ solidification mixing pile structure with bottom mud adsorption function. When in use, Figure 4 As shown, the bottom mud solidification mixing pile 3 directly extends into the silt bottom layer 12 for solidification and mixing, the lower cover body of the isolation protective cover 7 is embedded in the silt bottom layer 12, and the isolation protective cover 7 partially covers the water body above the silt bottom layer 12, and the mud-water adsorption and filtration system is located in the upper water body 13. The bottom mud solidification mixing pile 3 is directly driven by the motor 5, rotates and stirs in the silt bottom layer, and is connected to the external solidification agent delivery mechanism through the solidification agent delivery interface 6, delivers the solidification agent to the hollow tube body of the bottom mud solidification mixing pile 3, and then outputs the bottom mud solidification mixing pile 3 through the water-permeable hole. During the mixing process of the bottom mud solidification mixing pile 3, the bottom mud and the solidification agent are fully fused. The solidification agent is an inorganic hydraulic gelling material. After being fully mixed with the bottom mud, it can significantly improve the physical and mechanical properties of the bottom mud through physical and chemical reactions between its own components and between itself and the bottom mud, and can form a solidified body that meets environmental standards and maintains long-term stability.

[0026] The muddy water adsorption system primarily filters disturbed muddy water. Under the action of the pump 10, the disturbed water is drawn into the upper water inlet chamber of the filter housing 1 through the water inlet pipe 8. It is then adsorbed and filtered by the filter adsorption layer 2 before being discharged through the outlet pipe 9 at the bottom of the filter housing 1. The filtration system includes a grid sand filter, an activated carbon sponge filter layer, and a pre-filmed biofiller layer. These filters adsorb pollutants in the water, including suspended solids, organic matter, and heavy metals, further purifying the water. The internal structure of the filtration system is cleanable, replaceable, and recyclable.

[0027] Preferably, the grid sand filter layer is made of natural materials such as quartz, anthracite, marble, marble, granite, garnet, magnetite, ilmenite, etc., which are processed into particles that meet specifications. The filter layer is composed of different specific gravities and thicknesses, which can intercept solid impurities larger than a certain size. The coarse filter mesh size is 10 mm to 50 mm.

[0028] Preferably, the activated carbon sponge filter layer is an air purification filter material made by attaching high-quality, highly adsorbent powdered catalytic activated carbon onto a polyurethane foam carrier using a polymer adhesive material. The carbon content is about 30-50%, and it has good adsorption properties and can be used to purify heavy metals and other pollutants in water bodies.

[0029] Preferably, the pre-filmed biological filler layer is made of specially treated polypropylene material, has a large specific surface area, is easy for biofilm to grow on the surface, does not clump or clog during use, and the microorganisms used to purify water bodies include Bacillus, Alcaligenes, Pseudomonas, Flavobacterium, etc.

[0030] It should be noted that the equipment structure and drawings of the present invention mainly describe the principles of the present invention. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that those skilled in the art understand the principles of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system; the standard parts used therein can be purchased from the market, and can be customized according to the records in the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. Machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to those skilled in the art, their structures and principles can be learned by those skilled in the art through technical manuals or through conventional experimental methods.

[0031] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An in-situ solidification mixing pile structure with bottom mud adsorption function, characterized by: The mixing pile structure comprises a bottom mud solidification mixing pile (3), a mud and water isolation protective cover (7) and a mud and water adsorption filtration system; the bottom mud solidification mixing pile (3) is rotatably installed in the mud and water isolation protective cover (7), and a motor (5) is provided on the top of the mud and water protection cover (7), the output shaft of the motor (5) is connected to the bottom mud solidification mixing pile (3), the bottom mud solidification mixing pile (3) is a hollow pipe pile structure with a closed bottom, a plurality of water-permeable holes (4) and a mixing shaft (11) are opened on the pile body, a curing agent delivery interface (6) is provided on the top of the bottom mud solidification mixing pile (3), and the curing agent delivery interface (6) is located above the mud and water isolation protective cover (7); the mud and water adsorption filtration system comprises a casing provided on the bottom The mud solidification stirring pile (3) is adjacent to the filter box (1) outside the top surface of the mud and water isolation protective cover (7) and the pump (10) is arranged in the filter box (1). The top of the filter box (1) is open and fixed to the inner wall of the top surface of the mud and water isolation protective cover (7). The bottom mud solidification stirring pile (3) passes through the filter box (1) and is rotatably connected to the filter box (1). A filter adsorption layer (2) is provided in the middle of the filter box (1). The pump (10) is located in the water inlet cavity above the filter adsorption layer (2) in the filter box (1). The water inlet pipe (8) of the pump (10) extends out of the filter box (1), and a water outlet pipe (9) is provided in the water outlet cavity below the filter adsorption layer (2) of the filter box (1).

2. The in-situ solidification mixing pile structure with bottom mud adsorption function according to claim 1, characterized in that: The bottom mud solidification mixing piles (3) are provided in two groups and are symmetrically arranged in the mud and water isolation protective cover (7). A motor (5) is provided on the top of each bottom mud solidification mixing pile (3).

3. The in-situ solidification mixing pile structure with bottom mud adsorption function according to claim 1 or 2, characterized in that: The bottom mud solidification mixing pile (3) is directly extended into the bottom mud layer (12) for solidification and mixing, the lower cover body of the isolation protection cover (7) is embedded in the bottom mud layer (12), and the isolation protection cover (7) partially covers the water body above the bottom mud layer (12), and the mud-water adsorption and filtration system is located in the upper water body (13).

4. The in-situ solidification mixing pile structure with sediment adsorption function according to claim 1 or 2, characterized in that: The stirring shaft (11) is a pipe structure with the pipe mouth facing downwards. Each stirring shaft (11) is installed at the position of the water-permeable hole (4) and is sealed and docked with the water-permeable hole (4).

5. The in-situ solidification mixing pile structure with bottom mud adsorption function according to claim 2, characterized in that: A plurality of water inlet pipes (8) are connected to the filter box (1) on each bottom mud solidification mixing pile (3), and the plurality of water inlet pipes (8) are all connected to the water inlet of the pump (10) in the corresponding filter box (1), and the pumps (10) in the two filter boxes (1) are fixed in different directions.

6. The in-situ solidification mixing pile structure with bottom mud adsorption function according to claim 2, characterized in that: A plurality of water outlet pipes (9) are provided at the bottom of the filter box (1) on each bottom mud solidification stirring pile (3), and the plurality of water outlet pipes (9) are evenly distributed in a ring shape at the bottom of the filter box (1).

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