Mixing reactor for stabilizing treatment of humus containing heavy metal pollution
By designing the mixing components and heating pipes in the mixing reactor, the problem of difficult mixing of solidifying agent and soil particles in humus soil was solved, achieving efficient heavy metal stabilization treatment and improving treatment efficiency and equipment adaptability.
Patent Information
- Application Number
- CN202520354071.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing technologies for treating humus soil contaminated with heavy metals face difficulties in mixing the solidifying agent with soil particles, prolonging the mixing time and affecting the treatment effect, resulting in incomplete stabilization of heavy metals or exceeding the standard.
A mixing reactor for stabilizing humus contaminated with heavy metals is designed, comprising a mixing tank, a mixing assembly, a wall scraping assembly, a spraying assembly, and a transmission assembly. By optimizing the mirror arrangement of propeller blades, the use of heating pipes, the sealing structure, and the transmission assembly, efficient mixing and temperature control are achieved, ensuring uniform mixing of the curing agent and the humus.
It improves the mixing efficiency of the curing agent and humus, ensures the stabilization effect of heavy metals, reduces mixing time and equipment wear, reduces the risk of secondary pollution, and enhances the flexibility and processing efficiency of the equipment.
Smart Images
Figure CN223932262U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of contaminated soil treatment technology, and in particular to a mixed reactor for the stabilization treatment of humus soil containing heavy metals. Background Technology
[0002] Stabilization technology involves adding a solidifying agent to contaminated soil. This agent, through chemical reaction or physical adsorption, fixes the heavy metals to the surface or interior of soil particles, thereby reducing their bioavailability and mobility. More importantly, this technology enables in-situ solidification of contaminated soil, avoiding secondary pollution problems that may occur during soil excavation and transportation.
[0003] However, despite the great potential of stabilization technology in treating heavy metal contaminated soil, it still faces some challenges in practical applications. Particularly when treating humus soil containing heavy metals, the complex physicochemical properties and high organic matter content of humus soil make mixing the solidifying agent with soil particles difficult, prolonging the mixing time and potentially affecting the treatment effect. This can lead to incomplete stabilization of heavy metals or the soil still exceeding the heavy metal limits after treatment. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide at least one beneficial option or create conditions to solve one or more technical problems existing in the prior art.
[0005] The solution to the technical problem of this utility model is: a mixing reactor for the stabilization treatment of humus soil contaminated with heavy metals, comprising a frame, a mixing tank, and a mixing assembly. The mixing tank is mounted on the frame, and a feed inlet is provided at the top of the mixing tank. A feed cover is hinged to the feed inlet, and the feed cover is used to open or close the feed inlet. The mixing assembly includes a drive motor, a mixing shaft, and multiple propeller blades. The drive motor is mounted on the feed cover, and the mixing shaft is mounted on the feed cover. The mixing shaft and the feed cover are rotatable relative to each other. The mixing shaft extends into the interior of the mixing tank. All the propeller blades are arranged along the axial direction of the mixing shaft. Two adjacent propeller blades along the axial direction of the mixing shaft are mirror images of each other. All the propeller blades and the mixing shaft are coaxially driven. The drive motor drives the mixing shaft to rotate.
[0006] As a further improvement to the above technical solution, the feed cover also includes a first sealing ring and a second sealing ring. The bottom of the feed cover is provided with a first groove and a second groove. The first sealing ring is disposed in the first groove and abuts against the inner wall of the mixing tank. The second sealing ring is disposed in the second groove. The top of the inner wall of the mixing tank is provided with a third groove. The second sealing ring abuts against the inner wall of the third groove.
[0007] As a further improvement to the above technical solution, the inner wall of the mixing tank is provided with a cavity, and a heating tube is provided inside the cavity.
[0008] As a further improvement to the above technical solution, the stirring assembly further includes a wall scraping assembly, which includes a connecting rod and a scraper that abuts against the inner wall of the stirring tank. One end of the connecting rod is fixedly connected to the scraper, and the other end of the connecting rod is fixedly connected to the stirring shaft.
[0009] As a further improvement to the above technical solution, the mixing reactor also includes a spray assembly, which includes an inlet pipe, a diversion pipe, and multiple nozzles. The inlet pipe is disposed on the feed cover and extends into the interior of the mixing tank. The diversion pipe is disposed at the bottom of the feed cover, with its inlet end connected to its outlet end. All the nozzles are evenly distributed at the bottom of the diversion pipe, with their inlet ends connected to the outlet ends of the diversion pipe.
[0010] As a further improvement to the above technical solution, the mixing reactor also includes a discharge assembly, which includes a discharge pipe and a discharge valve. The bottom of the mixing tank is provided with a discharge port, the discharge pipe is connected to the discharge port, and the discharge valve is installed on the discharge pipe. The discharge valve is used to open or close the internal channel of the discharge pipe.
[0011] As a further improvement to the above technical solution, the mixing reactor also includes a first detector, which is used to detect the temperature of the mixture in the mixing tank.
[0012] As a further improvement to the above technical solution, the stirring assembly also includes a connecting shaft and a torque sensor. The drive motor drives the stirring shaft to rotate through the connecting shaft. The torque sensor is disposed on the connecting shaft and is used to detect the torsional force on the connecting shaft. The torque sensor is electrically connected to the drive motor.
[0013] As a further improvement to the above technical solution, the mixing reactor further includes a transmission assembly, which includes a first bevel gear and a second bevel gear. The output end of the connecting shaft is connected to the first bevel gear, and one end of the stirring shaft is connected to the second bevel gear. The first bevel gear and the second bevel gear mesh with each other. The connecting shaft is coaxially driven with the first bevel gear, and the second bevel gear is coaxially driven with the stirring shaft.
[0014] As a further improvement to the above technical solution, the bottom of the frame is provided with multiple casters.
[0015] The beneficial effects of this invention are as follows: A feed inlet is provided at the top of the mixing tank for adding the humus and solidifying agent to be treated; a feed cover is hinged at the feed inlet, allowing for easy opening and closing to facilitate the addition and removal of materials; a stirring shaft is mounted on the feed cover and extends into the mixing tank to connect the drive motor and propeller blades; the propeller blades are arranged axially along the stirring shaft, with adjacent propeller blades mirror-image each other along the axial direction of the stirring shaft, generating stronger shearing and stirring forces, which helps to better disperse the solidifying agent into the humus. The mixing assembly with multiple propeller blades and adjacent propeller blades mirror-image each other along the axial direction of the stirring shaft can create a more complex fluid dynamic environment within the mixing tank, helping to enhance the mixing effect between the solidifying agent and the humus contaminated with heavy metals. Attached Figure Description
[0016] Figure 1 This is a cross-sectional front view of one embodiment of the present invention;
[0017] Figure 2 This is a cross-sectional side view of one embodiment of the present invention;
[0018] Figure 3 This is a structural schematic diagram of one embodiment of the present invention.
[0019] In the attached diagram: 100-Frame, 110-Cast, 200-Mixing Tank, 210-Feed Cover, 220-Sealing Bushing, 230-First Sealing Ring, 240-Second Sealing Ring, 250-Heating Element, 300-Mixing Assembly, 310-Drive Motor, 320-Mixing Shaft, 330-Propeller Blade, 340-Wall Scraping Assembly, 341-Connecting Rod, 342-Scraper, 350-Connecting Shaft, 360-Torque Sensor, 400-Spray Assembly, 410-Water Inlet Pipe, 420-Diverter Pipe, 430-Spray Nozzle, 500-Discharge Assembly, 510-Discharge Pipe, 520-Discharge Valve, 600-First Detector, 700-Transmission Assembly, 710-First Bevel Gear, 720-Second Bevel Gear. Detailed Implementation
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments have been briefly explained above. Obviously, the described drawings are only a part of the embodiments of this utility model, not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.
[0021] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages mentioned herein do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this utility model can be combined interactively without contradicting each other.
[0022] Stabilization technology involves adding a solidifying agent to contaminated soil. This agent, through chemical reaction or physical adsorption, fixes the heavy metals to the surface or interior of soil particles, thereby reducing their bioavailability and mobility. More importantly, this technology enables in-situ solidification of contaminated soil, avoiding secondary pollution problems that may occur during soil excavation and transportation.
[0023] However, despite the great potential of stabilization technology in treating heavy metal contaminated soil, it still faces some challenges in practical applications. Particularly when treating humus soil containing heavy metals, the complex physicochemical properties and high organic matter content of humus soil make mixing the solidifying agent with soil particles difficult, prolonging the mixing time and potentially affecting the treatment effect. This can lead to incomplete stabilization of heavy metals or the soil still exceeding the heavy metal limits after treatment.
[0024] Therefore, this utility model proposes a mixed reactor for the stabilization treatment of humus soil contaminated with heavy metals, referring to... Figures 1-3It includes a frame 100, a mixing tank 200, and a mixing assembly 300. The mixing tank 200 is mounted on the frame 100, and has a feed inlet at its top. A feed cover 210 is hinged to the feed inlet, and the feed cover 210 is used to open or close the feed inlet. The mixing assembly 300 includes a drive motor 310, a mixing shaft 320, and multiple propeller blades 330. The drive motor 310 is mounted on the feed cover 210, and the mixing shaft 320 is mounted on the feed cover 210. On the 10, the stirring shaft 320 and the feed cover 210 are rotatable relative to each other. The stirring shaft 320 extends into the interior of the stirring tank 200. All the propeller blades 330 are arranged on the stirring shaft 320 along the axial direction. Two adjacent propeller blades 330 along the axial direction of the stirring shaft 320 are mirror images of each other. All the propeller blades 330 and the stirring shaft 320 are coaxially driven. The drive motor 310 drives the stirring shaft 320 to rotate.
[0025] The mixing tank 200 has a feed inlet at the top for adding the humus and solidifying agent to be treated. A feed cover 210 is hinged to the feed inlet, allowing for easy opening and closing to facilitate the addition and removal of materials. A mixing shaft 320 is mounted on the feed cover 210 and extends into the mixing tank 200 to connect the drive motor 310 and the propeller blades 330. The propeller blades 330 are arranged axially along the mixing shaft 320, with adjacent propeller blades 330 mirror images of each other along the axial direction of the mixing shaft 320. This generates stronger shear and mixing forces, helping to better disperse the solidifying agent into the humus. The mixing assembly 300, with multiple propeller blades 330 and adjacent propeller blades 330 mirror images of each other along the axial direction of the mixing shaft 320, creates a more complex hydrodynamic environment within the mixing tank 200, enhancing the mixing effect between the solidifying agent and the humus contaminated with heavy metals.
[0026] In one embodiment, three propeller blades 330 are used. The humus soil contaminated with heavy metals to be treated and the selected solidifying agent are prepared and weighed according to a certain ratio. The feed cover 210 of the mixing reactor is opened, and the prepared humus soil and solidifying agent are added into the mixing tank 200 through the feed inlet. Then, the feed cover 210 is closed to ensure good sealing. The drive motor 310 is started, causing the stirring shaft 320 and propeller blades 330 to begin rotating. The motor speed and stirring time are adjusted according to the processing volume and mixing requirements. During the stirring process, the propeller blades 330 are arranged in a forward-reverse-forward alternating pattern, forming a composite flow field of vertical convection circulation and horizontal shear force, efficiently mixing the humus soil and solidifying agent. As the stirring time increases, the mixing gradually becomes more uniform, and the stabilization effect of heavy metals gradually improves. When the mixing reaches the predetermined requirements, stirring is stopped and the discharge port is opened to discharge the treated humus soil for further processing or storage.
[0027] Preferably, the propeller blade 330 has a serrated edge to enhance its ability to break up humus clumps.
[0028] During the mixing process, the mixture may leak from gaps, causing material waste and potentially contaminating the working environment or equipment. Therefore, in one embodiment, the feed cover 210 further includes a first sealing ring 230 and a second sealing ring 240. The bottom of the feed cover 210 has a first groove and a second groove. The first sealing ring 230 is disposed in the first groove and abuts against the inner wall of the mixing tank 200. The second sealing ring 240 is disposed in the second groove. The top of the inner wall of the mixing tank 200 has a third groove, and the second sealing ring 240 abuts against the inner wall of the third groove. The first sealing ring 230 abuts tightly against the inner wall of the mixing tank 200, and the second sealing ring 240 abuts tightly against the top groove of the inner wall of the mixing tank 200. This double-layer sealing structure provides additional safety, enhances the sealing performance between the feed cover 210 and the mixing tank 200, prevents leakage of the mixture during the mixing process, and avoids the risk of secondary contamination.
[0029] Preferably, the feed cover 210 further includes a sealing bushing 220, one end of the stirring shaft 320 is inserted into the sealing bushing 220, and the stirring shaft 320 and the sealing bushing 220 can rotate relative to each other. The sealing bushing 220 is used to protect the stirring shaft 320, reduce the direct contact and friction between the stirring shaft 320 and the stirring tank 200, and reduce the degree of wear.
[0030] Failure to reach the optimal temperature range required for the reaction will result in incomplete reaction between the curing agent and heavy metals, leading to a decrease in stabilization efficiency. Therefore, in one embodiment, the inner wall of the mixing tank 200 is provided with a cavity, and a heating pipe 250 is installed within the cavity. The heating pipe 250 provides a stable and efficient heat source for the materials within the mixing tank 200. In the stabilization treatment of humus contaminated with heavy metals, appropriate temperature conditions can accelerate the chemical reaction or physical adsorption between the curing agent and heavy metals, thereby improving stabilization efficiency. The heating pipe 250 allows for precise temperature control within the mixing tank 200, ensuring the reaction occurs within the optimal temperature range, thus improving mixing efficiency and reaction rate.
[0031] Materials adhering to the inner wall of the mixing tank 200 for extended periods may cause contamination and corrosion, especially materials containing corrosive components such as certain heavy metals or chemical curing agents, which may accelerate damage to the inner wall and shorten the equipment's lifespan. Therefore, in one embodiment, the mixing assembly 300 further includes a wall scraping assembly 340, which includes a connecting rod 341 and a scraper 342 that abuts against the inner wall of the mixing tank 200. One end of the connecting rod 341 is fixedly connected to the scraper 342, and the other end of the connecting rod 341 is fixedly connected to the mixing shaft 320. The scraper 342 in the scraper assembly 340 rotates with the rotation of the mixing shaft 320, which can effectively scrape off the material on the inner wall of the mixing tank 200, avoiding waste caused by the material adhering to the inner wall and improving the material utilization rate. The pushing action of the scraper 342 during rotation makes the material more evenly distributed in the mixing tank 200, enhancing the mixing effect and helping the curing agent to better penetrate into the surface and interior of the humus particles, thereby improving the efficiency and quality of the stabilization treatment.
[0032] If the moisture content is unsuitable, the curing agent may not be able to fully contact or react with heavy metals, resulting in incomplete stabilization treatment. Therefore, in one embodiment, the mixing reactor further includes a spray assembly 400, which includes an inlet pipe 410, a branch pipe 420, and multiple nozzles 430. The inlet pipe 410 is disposed on the feed cover 210 and extends into the interior of the mixing tank 200. The branch pipe 420 is disposed at the bottom of the feed cover 210, with its inlet end connected to the outlet end of the inlet pipe 410. All the nozzles 430 are evenly distributed at the bottom of the branch pipe 420, with their inlet ends connected to the outlet ends of the branch pipe 420. The spray assembly 400 introduces external water into the mixing tank 200 through the water inlet pipe 410, and distributes it evenly to each nozzle 430 through the distribution pipe 420 to spray the material. By controlling the flow rate and spraying time of the water inlet pipe 410, the moisture content of the material in the tank can be precisely adjusted, improving the reaction efficiency between the curing agent and heavy metals, thereby enhancing the stabilization effect. The setting of the spray assembly 400 allows the mixing reactor to more flexibly meet the material processing needs with different moisture contents.
[0033] In one embodiment, the mixing reactor further includes a discharge assembly 500, which includes a discharge pipe 510 and a discharge valve 520. The bottom of the mixing tank 200 has a discharge port, and the discharge pipe 510 communicates with the discharge port. The discharge valve 520 is mounted on the discharge pipe 510 and is used to open or close the internal passage of the discharge pipe 510. The discharge assembly 500 ensures that the heavy metal-contaminated humus can be smoothly discharged after stabilization treatment. By opening the discharge valve 520, the material can flow smoothly out along the discharge pipe 510, avoiding material retention and accumulation within the mixing tank 200, thus maintaining the cleanliness of the mixing tank 200 and ensuring the long-term stable operation of the equipment.
[0034] Preferably, the center of the inner bottom surface of the mixing tank 200 is recessed, and the discharge port is located in the center of the inner bottom surface of the mixing tank 200. This ensures smooth discharge and reduces material accumulation and dead corners at the bottom of the tank.
[0035] When operators open the feed cover 210 to detect the temperature of the material in the mixing tank 200, unnecessary contamination may occur. Therefore, in one embodiment, the mixing reactor further includes a first detector 600 for detecting the temperature of the mixture within the mixing tank 200. A suitable temperature range helps accelerate the chemical reaction process, thereby improving processing efficiency. The first detector 600 allows operators to respond quickly to temperature changes, optimize reaction conditions by adjusting process parameters, and thus shorten the processing cycle and improve overall processing efficiency.
[0036] When mixing highly viscous materials such as wet soil, the required torque during mixing increases accordingly. If the torque surge exceeds the equipment's capacity, it may damage components such as the connecting shaft 350, mixing shaft 320, or drive motor 310, increasing maintenance costs and downtime. Therefore, in one embodiment, the mixing assembly 300 further includes a connecting shaft 350 and a torque sensor 360. The drive motor 310 drives the mixing shaft 320 to rotate via the connecting shaft 350. The torque sensor 360 is mounted on the connecting shaft 350 and is used to detect the torsional force acting on the connecting shaft 350. The torque sensor 360 is electrically connected to the drive motor 310. The torque sensor 360 is installed on the connecting shaft 350 and can detect the torsional force on the connecting shaft 350 in real time, which is the torque required during the mixing process. When mixing materials with high viscosity such as wet soil, the torque will increase accordingly. Through the electrical connection between the torque sensor 360 and the drive motor 310, when the detected torque exceeds the preset value, the drive motor 310 can automatically adjust the speed, thereby avoiding damage to the equipment caused by sudden torque increase, helping to optimize the mixing effect, ensuring that the materials can be mixed evenly during the mixing process, and protecting the equipment from damage.
[0037] Direct drive systems often require the drive motor 310 to be directly aligned with the stirring shaft 320, which may limit the flexibility of equipment layout and lead to wasted space. Therefore, in one embodiment, the mixing reactor further includes a transmission assembly 700, which includes a first bevel gear 710 and a second bevel gear 720. The output end of the connecting shaft 350 is connected to the first bevel gear 710, and one end of the stirring shaft 320 is connected to the second bevel gear 720. The first bevel gear 710 and the second bevel gear 720 mesh with each other. The connecting shaft 350 is coaxially driven with the first bevel gear 710, and the second bevel gear 720 is coaxially driven with the stirring shaft 320. The transmission assembly 700 makes the power transmission between the drive motor 310 and the stirring shaft 320 more compact and efficient. Through the meshing of the first bevel gear 710 and the second bevel gear 720, the connecting shaft 350 can drive the first bevel gear 710 to rotate coaxially, thereby driving the second bevel gear 720 and the stirring shaft 320 to rotate coaxially. This avoids the space waste and unreasonable layout problems that may exist in the traditional direct drive method, making the overall structure of the mixing reactor more compact and reasonable.
[0038] Contaminated soil may need to be transported to treatment facilities far from the site, which increases environmental risks during transportation, such as leaks and spills, potentially harming the environment and human health. Therefore, in one embodiment, the frame 100 is equipped with multiple casters 110 at its base. The casters 110 provide excellent mobility for the entire mixing reactor system. Operators can easily move the equipment to the site of the contaminated soil requiring treatment without relying on complex hoisting or transport equipment. This not only saves time and costs but also improves the flexibility and adaptability of the equipment; through the mobility of the casters 110, the mixing reactor can directly perform on-site solidification treatment of the contaminated soil, eliminating the need to transport the contaminated soil to treatment facilities far from the site, thereby reducing environmental risks and costs during transportation.
[0039] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.
Claims
1. A mixed reactor for the stabilization treatment of humus soil contaminated with heavy metals, characterized in that, include: Rack (100); A mixing tank (200) is mounted on the frame (100). The top of the mixing tank (200) is provided with a feed inlet, and a feed cover (210) is hinged to the feed inlet. ， The feed cover (210) is used to open or close the feed port; A stirring assembly (300) includes a drive motor (310), a stirring shaft (320), and multiple propeller blades (330). The drive motor (310) is mounted on the feed cover (210), and the stirring shaft (320) is mounted on the feed cover (210). The stirring shaft (320) and the feed cover (210) are rotatable relative to each other. The stirring shaft (320) extends into the interior of the stirring tank (200). All the propeller blades (330) are arranged along the axial direction of the stirring shaft (320). Two adjacent propeller blades (330) along the axial direction of the stirring shaft (320) are mirror images of each other. All the propeller blades (330) and the stirring shaft (320) are coaxially driven. The drive motor (310) drives the stirring shaft (320) to rotate.
2. A mixed reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The feed cover (210) also includes a first sealing ring (230) and a second sealing ring (240). The bottom of the feed cover (210) is provided with a first groove and a second groove. The first sealing ring (230) is disposed in the first groove and abuts against the inner wall of the mixing tank (200). The second sealing ring (240) is disposed in the second groove. The top of the inner wall of the mixing tank (200) is provided with a third groove. The second sealing ring (240) abuts against the inner wall of the third groove.
3. A mixed reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The inner wall of the mixing tank (200) is provided with a cavity, and a heating tube (250) is provided in the cavity.
4. A mixed reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The stirring assembly (300) further includes a wall scraping assembly (340), which includes a connecting rod (341) and a scraper (342) that abuts against the inner wall of the stirring tank (200). One end of the connecting rod (341) is fixedly connected to the scraper (342), and the other end of the connecting rod (341) is fixedly connected to the stirring shaft (320).
5. A mixed reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The mixing reactor also includes a spray assembly (400), which includes an inlet pipe (410), a diversion pipe (420), and multiple nozzles (430). The inlet pipe (410) is disposed on the feed cover (210) and extends into the interior of the mixing tank (200). The diversion pipe (420) is disposed at the bottom of the feed cover (210), with the inlet end of the diversion pipe (420) connected to the outlet end of the inlet pipe (410). All the nozzles (430) are evenly distributed at the bottom of the diversion pipe (420), with the inlet end of the nozzle (430) connected to the outlet end of the diversion pipe (420).
6. A mixed reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The mixing reactor further includes a discharge assembly (500), which includes a discharge pipe (510) and a discharge valve (520). The bottom of the mixing tank (200) is provided with a discharge port, and the discharge pipe (510) is connected to the discharge port. The discharge valve (520) is disposed on the discharge pipe (510) and is used to open or close the internal channel of the discharge pipe (510).
7. A mixed reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The mixing reactor also includes a first detector (600) for detecting the temperature of the mixture inside the mixing tank (200).
8. A mixed reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The stirring assembly (300) further includes a connecting shaft (350) and a torque sensor (360). The drive motor (310) drives the stirring shaft (320) to rotate through the connecting shaft (350). The torque sensor (360) is disposed on the connecting shaft (350) and is used to detect the torsional force on the connecting shaft (350). The torque sensor (360) is electrically connected to the drive motor (310).
9. A mixing reactor for stabilizing humus soil contaminated with heavy metals according to claim 8, characterized in that, The mixing reactor further includes a transmission assembly (700), which includes a first bevel gear (710) and a second bevel gear (720). The output end of the connecting shaft (350) is connected to the first bevel gear (710), and one end of the stirring shaft (320) is connected to the second bevel gear (720). The first bevel gear (710) and the second bevel gear (720) mesh with each other. The connecting shaft (350) and the first bevel gear (710) are coaxially driven, and the second bevel gear (720) and the stirring shaft (320) are coaxially driven.
10. A mixing reactor for stabilizing humus soil contaminated with heavy metals according to claim 1, characterized in that, The frame (100) is equipped with multiple casters (110) at its bottom.