Polluted site heavy metal in-situ curing and repairing device
By designing an in-situ solidification and remediation device for heavy metals in contaminated sites, a solidifying agent is injected using a drill bit and harmful gases are collected. This solves the problems of uneven distribution of traditional solidifying agents and treatment of harmful gases, achieving efficient remediation and environmental safety.
Patent Information
- Application Number
- CN202520454632.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Traditional solidifying agents are unevenly distributed in the soil, resulting in localized excessively high or low concentrations, causing secondary pollution, low remediation efficiency, and harmful gases generated during the remediation process that are detrimental to the environment and human health.
Design a device for in-situ solidification and remediation of heavy metals in contaminated sites. The device uses a mobile base, a liquid injection component, and a gas collection component. The solidifying agent is injected through a drill bit and harmful gases are collected. The solidifying agent is injected by a drill rod driven by a motor. The gas is treated by a filter plate and an activated carbon adsorption plate.
It achieves uniform distribution of the solidifying agent in the soil, improves remediation efficiency, prevents secondary pollution, effectively purifies harmful gases, and protects the environment and human health.
Smart Images
Figure CN223946473U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of soil remediation technology, specifically to an in-situ solidification and remediation device for heavy metals in contaminated sites. Background Technology
[0002] Heavy metal contaminated soil is generally treated by using specific physical or chemical methods to fix the heavy metals in the soil or to transform them into chemically inert forms, thereby preventing the migration and diffusion of heavy metals in the environment and reducing the degree of toxicity of heavy metals.
[0003] Traditional solidification agents are applied via simple spraying, resulting in uneven distribution of the agent in the soil. Excessive local concentrations can lead to secondary pollution, while insufficient concentrations result in poor solidification and low remediation efficiency. Furthermore, the remediation process may generate harmful gases, posing risks to the environment and human health. Therefore, this paper proposes an in-situ solidification and remediation device for heavy metals in contaminated sites to address these issues. Utility Model Content
[0004] The purpose of this invention is to provide an in-situ solidification and remediation device for heavy metals in contaminated sites, so as to solve the problems mentioned in the background art.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a device for in-situ solidification and remediation of heavy metals in contaminated sites, including a mobile base, a liquid injection component and a gas collection component.
[0006] The injection assembly includes a column, a drive motor is fixedly connected to one side of the column, and an electric push rod is rotatably connected to the other side of the column. The output shaft of the drive motor is fixedly connected to a first transmission wheel, and a second transmission wheel is fixedly connected to the top of the electric push rod. A belt drives between the first and second transmission wheels. A drill rod is fixedly connected to the output end of the electric push rod, and a drill bit is fixedly connected to the bottom of the drill rod.
[0007] Preferably, the bottom left and right sides of the mobile base are each fixedly connected with two movable wheels that are symmetrically distributed front and back. The movable wheels are self-locking, and the column is fixedly connected to the top of the mobile base.
[0008] Preferably, the drill rod is hollow, the drill bit is provided with a water passage hole communicating with the drill rod, and a liquid inlet pipe is fixedly connected to the drill rod.
[0009] Preferably, the gas collecting assembly comprises a treatment box, a filter plate is arranged in the treatment box, an activated carbon adsorption plate is arranged in the treatment box, a gas collecting cover is arranged on one side of the moving base, and a placing rack is fixedly connected to the top of the moving base.
[0010] Preferably, the treatment box is fixedly connected to the top of the moving base, and a hose is fixedly connected between the gas collecting cover and the treatment box.
[0011] Preferably, the top of the treatment box is provided with avoiding holes matched with the filter plate and the activated carbon adsorption plate respectively, and the top of each of the filter plate and the activated carbon adsorption plate extends to the top of the treatment box.
[0012] Preferably, an exhaust hole is arranged in the inner wall of the side of the treatment box away from the hose, and a perforation matched with the drill rod is arranged on the gas collecting cover, and the drill bit extends into the gas collecting cover.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] Firstly, the utility model drives the first transmission wheel to rotate by starting the driving motor, the second transmission wheel drives the electric push rod and the drill rod to rotate under the drive of the belt, at the same time, the electric push rod is started to extend the output end, so that the drill bit drills into the soil polluted by heavy metals, and then the liquid inlet pipe is connected with the water pump and the solidifying agent, and the solidifying agent is directly poured into the polluted soil, so that the soil repair effect is greatly improved compared with the traditional spray repair.
[0015] Secondly, the utility model places the gas collecting cover on the surface of the soil to be repaired, starts the air pump, and sucks the waste gas generated when the heavy metal polluted soil is repaired by the solidifying agent into the treatment box through the hose and the gas collecting cover, filters out impurities through the filter plate, purifies through the activated carbon adsorption plate, and finally discharges from the exhaust hole, so that secondary pollution is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is another whole structure schematic view of the utility model;
[0018] Figure 3 It is a structure schematic view of the gas collecting cover and the drill bit of the utility model;
[0019] Figure 4 It is a structure schematic view of the inside of the treatment box of the utility model.
[0020] Wherein: 1, mobile base; 2, liquid injection assembly; 21, stand; 22, drive motor; 23, electric push rod; 24, first transmission wheel; 25, second transmission wheel; 26, belt; 27, drill rod; 28, drill bit; 3, gas collection assembly; 31, processing box; 32, filter plate; 33, activated carbon adsorption plate; 34, gas collection cover; 35, rack; 36, air pump. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] The utility model provides the following technical scheme:
[0023] Embodiment one
[0024] Please refer to Figure 1 , Figure 2 and Figure 3 , a kind of contaminated site heavy metal in situ solidification remediation device, including mobile base 1, mobile base 1 is provided with liquid injection assembly 2;
[0025] Liquid injection assembly 2 includes stand 21, one side of stand 21 is fixedly connected with drive motor 22, the other side of stand 21 is rotatably connected with electric push rod 23, the output shaft of drive motor 22 is fixedly connected with first transmission wheel 24, the top of electric push rod 23 is fixedly connected with second transmission wheel 25, transmission belt 26 is connected between first transmission wheel 24 and second transmission wheel 25, the output end of electric push rod 23 is fixedly connected with drill rod 27, the bottom of drill rod 27 is fixedly connected with drill bit 28.
[0026] The bottom of mobile base 1 left and right sides is fixedly connected with the mobile wheel that two and is symmetrically distributed in front and back, mobile wheel can be self-locking, stand 21 is fixedly connected at the top of mobile base 1.
[0027] The design of mobile wheel makes the remediation device can be easily moved between different contaminated sites, improves the flexibility and applicability of the device, the self-locking characteristics of mobile wheel ensures the stability of the device during operation, prevents unnecessary movement of the device during operation, so as to ensure the safety and accuracy of operation.
[0028] Drill rod 27 is hollow design, drill bit 28 is equipped with water hole that communicates with drill rod 27, and liquid inlet pipe is fixedly connected on drill rod 27.
[0029] The through water holes on the hollow designed drill rod 27 and drill bit 28 make the solidification liquid smoothly injected into the deep soil through the drill rod 27, realizes the solidification repair of the deep soil, improves the repair effect, and the setting of the liquid inlet pipe facilitates the input of the solidification liquid, simplifies the operation process, and improves the operation efficiency.
[0030] Through the above technical scheme, the starting driving motor 22 drives the first transmission wheel 24 to rotate, under the drive of the belt 26, the second transmission wheel 25 drives the electric push rod 23 and the drill rod 27 to rotate, at the same time, the electric push rod 23 is started to extend its output end, so that the drill bit 28 drills into the soil contaminated by heavy metals, and then the liquid inlet pipe is connected with the water pump and the solidification agent, and the solidification agent is directly poured into the contaminated soil, compared with the traditional spray repair, the soil repair effect is greatly improved.
[0031] Embodiment two
[0032] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , and on the basis of embodiment one, further obtained: the mobile base 1 is provided with a gas collection assembly 3;
[0033] The gas collection assembly 3 includes a treatment box 31, a filter plate 32 is inserted in the inside of the treatment box 31, an activated carbon adsorption plate 33 is inserted in the inside of the treatment box 31, a gas collecting hood 34 is arranged on one side of the mobile base 1, a placing rack 35 is fixedly connected to the top of the mobile base 1, and a gas suction pump 36 is fixedly connected in the treatment box 31.
[0034] The treatment box 31 is fixedly connected to the top of the mobile base 1, and the gas collecting hood 34 is fixedly communicated with the treatment box 31 through a hose.
[0035] The treatment box 31 is fixed on the mobile base 1, so that the whole device structure is compact, convenient to move and operate, the design of the hose adapts to the relative position change between the gas collecting hood 34 and the treatment box 31, ensures the smooth flow of gas, and also facilitates the adjustment of the gas collecting hood 34.
[0036] The top of the treatment box 31 is provided with avoiding holes respectively matched with the filter plate 32 and the activated carbon adsorption plate 33, and the top of the filter plate 32 and the activated carbon adsorption plate 33 extends to the top of the treatment box 31.
[0037] The design of the avoiding hole makes the filter plate 32 and the activated carbon adsorption plate 33 can be conveniently inserted and taken out, which is convenient for replacing and maintaining the filter material and the adsorption material, at the same time, the top of the filter plate 32 and the activated carbon adsorption plate 33 extends to the top of the treatment box 31, which is also convenient for the operator to observe and operate, and ensures the smooth progress of the gas purification process.
[0038] The processing box 31 is provided with an exhaust hole in the inner wall of the side away from the hose, the gas collecting cover 34 is provided with a perforation matched with the drill rod 27, and the drill bit 28 extends into the gas collecting cover 34.
[0039] The design of the exhaust hole enables the processed gas to be smoothly discharged, avoids the accumulation of the gas in the processing box 31, and guarantees the normal work of the processing box 31, the perforation on the gas collecting cover 34 is matched with the drill rod 27, which ensures that the drill bit 28 can smoothly pass through the gas collecting cover 34 into the soil during the operation process, and meanwhile does not affect the collection of the gas, and the extension of the drill bit 28 into the gas collecting cover 34 further improves the efficiency of the gas collection, and guarantees that the harmful gas generated during the operation process can be timely and effectively collected and processed.
[0040] Through the above technical scheme, the gas collecting cover 34 is placed on the surface of the soil to be repaired, the air suction pump 36 is started, the exhaust gas generated during the repair of the heavy metal contaminated soil irrigated with the solidifying agent is sucked into the processing box 31 through the hose and the gas collecting cover 34, the impurities are filtered out through the filter plate 32, and then purified through the activated carbon adsorption plate 33, and finally discharged from the exhaust hole to prevent secondary pollution.
[0041] In the actual operation process, when the device is in use, first of all, the entire device is moved to the heavy metal contaminated site to be repaired through the moving base 1, then the gas collecting cover 34 is taken off from the placing rack 35 and placed on the surface of the soil to be repaired, then the first transmission wheel 24 is driven to rotate by starting the driving motor 22, the second transmission wheel 25 drives the electric push rod 23 and the drill rod 27 to rotate under the drive of the belt 26, at the same time, the output end of the electric push rod 23 is elongated, so that the drill bit 28 drills into the soil contaminated by heavy metals, then the liquid inlet pipe is connected with the water pump and the solidifying agent, and the solidifying agent is directly poured into the contaminated soil, in the process of repair, the exhaust gas generated during the repair of the heavy metal contaminated soil irrigated with the solidifying agent is sucked into the processing box 31 by starting the air suction pump 36, the impurities are filtered out through the filter plate 32, and then purified through the activated carbon adsorption plate 33, and finally discharged from the exhaust hole to prevent secondary pollution.
[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits, and the scope of the changes, modifications, replacements and variations is defined by the appended claims and their equivalents.
Claims
1. An in-situ remediation device for heavy metals in a contaminated site, comprising a mobile base (1), characterized in that: The mobile base (1) is provided with a liquid injection assembly (2), and the mobile base (1) is provided with a gas collection assembly (3); The liquid injection assembly (2) comprises a stand (21), one side of the stand (21) is fixedly connected with a driving motor (22), the other side of the stand (21) is rotatably connected with an electric push rod (23), the output shaft of the driving motor (22) is fixedly connected with a first transmission wheel (24), the top of the electric push rod (23) is fixedly connected with a second transmission wheel (25), the first transmission wheel (24) and the second transmission wheel (25) are transmissionally connected with a belt (26), the output end of the electric push rod (23) is fixedly connected with a drill rod (27), and the bottom of the drill rod (27) is fixedly connected with a drill bit (28).
2. A device for in-situ immobilization of heavy metals in a contaminated site according to claim 1, characterized in that: The bottom of the mobile base (1) is fixedly connected with two mobile wheels which are symmetrically distributed in front and back, and the mobile wheels are self-locking.
3. The device for in-situ solidification and remediation of heavy metals in a contaminated site according to claim 1, characterized in that: The drill rod (27) is designed as hollow, the drill bit (28) is provided with a water communication hole which is in communication with the drill rod (27), and the drill rod (27) is fixedly connected with a liquid inlet pipe.
4. The device for in-situ solidification and remediation of heavy metals in a contaminated site according to claim 1, characterized in that: The gas collection assembly (3) comprises a treatment box (31), the inside of the treatment box (31) is inserted with a filter plate (32), the inside of the treatment box (31) is inserted with an activated carbon adsorption plate (33), one side of the mobile base (1) is provided with a gas collecting cover (34), the top of the mobile base (1) is fixedly connected with a placing rack (35), and the inside of the treatment box (31) is fixedly connected with a gas suction pump (36).
5. A device for in-situ immobilization of heavy metals in a contaminated site according to claim 4, characterized in that: The treatment box (31) is fixedly connected to the top of the mobile base (1), and the gas collecting cover (34) is fixedly communicated with the treatment box (31) through a hose.
6. A device for in-situ immobilization and remediation of heavy metals in a contaminated site according to claim 4, characterized in that: The top of the treatment box (31) is provided with avoiding holes which are respectively matched with the filter plate (32) and the activated carbon adsorption plate (33), and the top of the filter plate (32) and the activated carbon adsorption plate (33) extends to the top of the treatment box (31).
7. A device for in-situ immobilization of heavy metals in a contaminated site according to claim 5, characterized in that: An exhaust hole is formed in the inner wall of the side of the treatment box (31) away from the hose, a perforation is formed in the gas collecting cover (34) and matched with the drill rod (27), and the drill bit (28) extends into the gas collecting cover (34).