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{"title":"Auto Control Non Metallic Water Treatment Chain Scraper For Sludge Discharge","imgUrl":"https:\/\/img.chinax.com\/nimg\/81\/12\/d1a64d7722c71337c396b3fb4e98-200x200-1\/auto_control_non_metallic_water_treatment_chain_scraper_for_sludge_discharge.jpg","attrs":{"Brand Name":"Lanjiang","Model Number":"FJS Series","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Lightweight Truss Traveling Mud Scraper For Sludge Suction And Sewage Treatment","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/85\/ab7c3631a0f989fedefcd3f17206-200x200-1\/lightweight_truss_traveling_mud_scraper_for_sludge_suction_and_sewage_treatment.jpg","attrs":{"Brand Name":"Lanjiang","Model Number":"HCXN Series","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Dual Action Sludge Removal Equipment Traveling Sand Suction Machine For","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/29\/90da92d409b77837ffb4e188def8-200x200-1\/dual_action_sludge_removal_equipment_traveling_sand_suction_machine_for_municipal_sewage.jpg","attrs":{"Brand Name":"Lanjiang","Model Number":"HCXS Series","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Industrial Sludge Thickener Solid Liquid Separation Equipment For Wet Metallurgy","imgUrl":"https:\/\/img.chinax.com\/nimg\/a1\/7f\/6d59d6d35300a4d6c65922427661-200x200-1\/industrial_sludge_thickener_solid_liquid_separation_equipment_for_wet_metallurgy.jpg","attrs":{"Brand Name":"Lanjiang","Model Number":"NM Series","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"TGN Series Traveling Lifting Rake Mud Scraper For Sludge And Scum Removal","imgUrl":"https:\/\/img.chinax.com\/nimg\/92\/64\/91c9bd113f42dd02562838109989-200x200-1\/tgn_series_traveling_lifting_rake_mud_scraper_for_sludge_and_scum_removal.jpg","attrs":{"Brand Name":"Lanjiang","Model Number":"TGN Series","Place of Origin":"China","Minimum Order Quantity":"1"}}
A thickener is a solid-liquid separation device based on gravity sedimentation. Typically constructed as a cylindrical shallow tank with a conical bottom, thickeners use materials such as concrete, wood, or welded metal plates for structural integrity.
This equipment processes ore pulp with 10%~20% solid content, transforming it into underflow ore pulp with 45%~55% solid content through gravity sedimentation. A slowly rotating rake mechanism (1/3~1/5 r/min) facilitates the discharge of thickened underflow from the bottom outlet.
Thickeners are extensively utilized in cyanidation plants for leaching and washing operations, serving multiple functions including thickening, washing, and buffering.
Driving Mechanism Classification
Thickeners are categorized by driving mechanism into center-driven and peripheral-driven types. Center-driven thickeners are specified by tank inner diameter, while peripheral-driven units are measured by annular track diameter.
Structural Components
The center-driven thickener comprises three primary components: annular tank, rake mechanism, and driving system. The tank features a gently inclined conical bottom with a 6°~12° slope, typically constructed from concrete or steel plates for smaller diameters.
A circular overflow launder positioned along the upper inner wall manages overflow discharge. The central vertical shaft connects to the rake mechanism, which consists of cross-arranged rake arms, rake teeth, and reinforcement bracing. Rake teeth are installed at approximately 30° angles to ensure comprehensive product discharge.
Industrial Applications
Thickeners serve critical roles in facilities requiring solid-liquid enrichment and separation, including hydrometallurgy plants, mineral processing operations, and chemical processing facilities. Standard diameters range from 3m to 100m, with depths varying from 2m to 4m.
Technological Evolution
Thickener development has progressed through four distinct stages:
Pre-Flocculant Era: Large footprint requirements with low sedimentation efficiency
Early Flocculant Integration: Reduced footprint with accelerated sedimentation rates
High-Efficiency Thickeners: Fundamental sedimentation principle changes yielding significantly smaller footprints
Thickeners are primarily categorized by driving mechanism:
Center-Driven Type: Typically features diameters under 24 meters
Peripheral Roller-Driven Type: Common for medium to large-scale applications with diameters around 53 meters (up to 100 meters)
Peripheral Rack-Driven Type: Generally exceeds 53 meters diameter, currently limited in application
Performance Characteristics
Flocculant integration increases settling solid particle size for accelerated sedimentation
Inclined plate installation reduces ore particle settling distance while increasing effective settling area
Thick deposited sludge layers provide flocculation, filtration, compression, and capacity enhancement
Comprehensive automation control systems for optimized operation
The operational principle centers on flocculant addition to incoming ore pulp, promoting floc formation among ore particles to dramatically increase settling velocity and enhance overall thickening efficiency.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2001
Total Annual:
40000000-70000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Nanjing Lanjiang is a professional manufacturer integrating the design, research and development, production, and sales of wastewater treatment equipment. The company is located at No.18 Xinyu Road, Hengliang Street, Liuhe District, in the northern suburbs of Nanjing (adjacent to the Ningtong Expres... Nanjing Lanjiang is a professional manufacturer integrating the design, research and development, production, and sales of wastewater treatment equipment. The company is located at No.18 Xinyu Road, Hengliang Street, Liuhe District, in the northern suburbs of Nanjing (adjacent to the Ningtong Expres...
