Slurry Separation System

08/11/2026

Drilling Fluid Jet Mixer: The Ultimate Guide to Efficient Mud Mixing

The Drilling Fluid Jet Mixer is a mud mixing funnel designed using the Venturi principle. Also known as a Venturi drilling mud mixing hopper, its main components include a nozzle, mixing chamber, Venturi tube, feeding hopper, butterfly valve, and sand pump or shear pump. The drilling mud mixing hopper is widely used in oil drilling, solids control, trenchless construction, and other applications. It mainly helps operators prepare drilling fluid and adjust key properties such as density, viscosity, and water loss. It is one of the specialized oilfield equipment for weighting drilling fluid. The jet mud mixer is equipped with sand pumps and pipelines to form a jet mixing device. KOSUN offers high-performance drilling mud mixing hoppers engineered for efficient mud preparation and conditioning.

Working Principle of Drilling Fluid Jet Mixer

After the nozzle ejects the liquid, the liquid flows through the mixing chamber and enters the shear tube. Add the material to the mixing chamber through the funnel. The nozzle-driven liquid flow then carries the material into the shear tube, where the material disperses and mixes with the liquid. The liquid flows out of the shear tube and enters the circulation tank.

The shear tube is a hollow tube that gradually expands according to a certain curved surface. Its main function is to increase the shear force of the liquid inside the tube, which helps disperse the material more effectively. The mixed liquid then flows into the circulation tank.

The shear tube actually uses the Bernoulli effect of “fast flow, low pressure; slow flow, high pressure.” Because the nozzle sprays the liquid from the mixing chamber at high speed, the pressure drops as the liquid exits the nozzle. When the liquid enters the shear tube, the cross-sectional area gradually increases, reducing the flow velocity and increasing the pressure.

KOSUN Drilling Fluid Jet Mixer are engineered with precision components to ensure optimal mixing efficiency and consistent fluid properties.

Installation of Drilling Mud Mixing Hoppers

After mixing, the drilling fluid creates significant pressure loss. Therefore, it should discharge the mixed drilling fluid directly into the drilling fluid tank. Install the hopper on top of the drilling fluid tank, or at another elevated position, to allow the mixed drilling fluid to flow directly into the tank without requiring it to climb.

When installing the drilling mud mixing hopper at an elevated position, use a hoist or cantilever crane to lift the drilling fluid materials to the hopper.

When installing the drilling mud mixing hopper at a low position, design a suitable climbing angle and connect the outlet directly to the drilling fluid tank. This configuration helps prevent drilling fluid from overflowing from the funnel.

The Drilling Fluid Jet Mixer typically uses an electric mixing pump for direct drive. If the mixing effect is poor, adjust the distance between the hopper nozzle and the outlet end to achieve optimal mixing performance.

Conclusion

The Drilling Fluid Jet Mixer is an essential component of modern solids control systems, enabling precise control of drilling fluid properties through efficient mixing and shearing. By understanding its working principle and proper installation practices, operators can maximize mixing efficiency and maintain optimal drilling fluid performance. KOSUN provides reliable drilling mud mixing hoppers designed for long-lasting performance in demanding drilling environments.

08/07/2026

Slurry Separation Plant: Essential Solutions for TBM Tunnel Efficiency

The Importance of Slurry Separation Plants for Tunnel Boring Machines

Tunnel construction has become an essential aspect of modern infrastructure development, allowing for the creation of subways, highways, and utility tunnels without disrupting surface activities. A critical component of this process is the Tunnel Boring Machine (TBM), which excavates tunnels through various geological conditions. One of the significant challenges faced during tunneling operations is the management of excavated material, commonly referred to as slurry. This is where a slurry separation plant comes into play, playing a vital role in the efficient and environmentally responsible management of excavated materials.

A slurry separation plant is designed to process the mixture of soil, rock, and water produced by the TBM during excavation. The slurry is typically used in conjunction with Earth Pressure Balance (EPB) TBMs or slurry shield TBMs. These machines use the slurry to maintain pressure at the tunnel face, counteract groundwater ingress, and transport excavated material away from the machine. However, to continue efficient tunneling operations, the slurry must be treated and reused. KOSUN offers advanced slurry separation plants engineered for high-performance TBM operations.

How a Slurry Separation Plant Works

Screening involves passing the slurry through screens that filter out larger particles. The remaining slurry then moves to settling tanks, where sedimentation occurs. In this phase, the heavier solids settle at the bottom of the tank, forming sludge that operators can dispose of or process further. Meanwhile, the system collects clarified water from the top and reuses it in subsequent tunneling operations.

Treatment systems may also use filtration processes, especially when finer particles require separation from the water. Advanced filtration systems, such as membrane filters, can achieve a high level of purity, ensuring that the recycled water meets the required standards for reuse. Companies can manage treated solid waste in several ways, depending on its composition, including stabilization, recycling, or safe disposal according to local regulations.

Benefits of a Slurry Separation Plant

The benefits of implementing a slurry separation plant in tandem with TBM operations are manifold.

Firstly, the recycling of water significantly reduces the demand for fresh water sources, which is particularly beneficial in regions where water scarcity is a concern. Secondly, effective handling of excavated materials minimizes the risk of environmental contamination and adheres to strict regulations concerning soil and water quality. Additionally, the efficient management of slurry can lead to cost savings in disposal fees and reduce the environmental footprint of construction activities.

Moreover, the use of a slurry separation plant enhances the operational efficiency of TBM-related projects. By allowing for a continuous and automated treatment process, these plants can keep up with the high rate of excavation, reducing downtime and improving productivity. As the global focus on sustainable development intensifies, the construction industry finds itself compelled to adopt cleaner technologies and methods. Slurry separation plants represent a forward-thinking approach to resource management, aligning with broader environmental goals.

KOSUN equips its slurry separation plants with advanced automation and high-efficiency separation technologies to maximize water recovery and minimize waste.

Conclusion

In conclusion, a slurry separation plant is integral to the successful operation of tunnel boring machines. It provides an effective solution to manage excavated materials, highlights the importance of recycling, and contributes to the sustainability of tunneling projects. As infrastructure development continues to grow, the role of these plants will become increasingly crucial, ensuring that the construction industry adheres to environmental standards while meeting the demands of modern society. The evolution and improvement of slurry separation technology will undoubtedly play a significant part in shaping the future of underground construction. KOSUN provides high-performance slurry separation plants and expert support, helping customers achieve their operational and environmental goals.

07/28/202607/28/2026

Slurry Separation System: Technical Application and Value Analysis for Construction

The rapid growth of urban infrastructure projects, including shield tunneling, deep piling, and trenchless piping, has made effective construction slurry management critical for maintaining project timelines and meeting environmental compliance requirements.The slurry separation system has emerged as the industry-standard solution for efficient solid-liquid separation. KOSUN offers advanced slurry separation systems designed to meet the demanding needs of modern underground construction.

Technical Core: Multi-Stage Solid-Liquid Separation Process

The slurry separation system is an integrated system of solids control units designed for slurry recycling and waste minimization:

Pre-treatment: Scalping screens remove bulk gravel and clay clumps to protect downstream equipment.

Sand & Silt Removal: Desander and desilter hydrocyclones utilize centrifugal force to separate medium-to-fine particles.

Dewatering: For high-clay slurry, chemical conditioning promotes flocculation. Decanter centrifuges and filter presses produce low-moisture filter cakes for easy disposal.

Fluid Reuse: Purified liquid is pumped back for immediate reuse, maintaining a closed-loop operation.

KOSUN’s slurry separation systems integrate high-quality components for reliable, continuous performance in demanding construction environments.

Professional Alignment with Industry Application Scenarios

Slurry separation systems offer high adaptability across four core underground engineering sectors:

Slurry Balance Shield (TBM)

The slurry separation system handles high flow rates while precisely controlling slurry density and viscosity to maintain stable face pressure. KOSUN’s systems are engineered for the demanding conditions of TBM tunneling.

Bored Piling

Provides compact, rapid-deployment solutions for rotary, reverse circulation, and impact drilling. KOSUN designs its piling systems for efficient solids control in confined urban sites.

Diaphragm Walls

Supports trenching with hydraulic grabs or cutters, ensuring slurry stability and trench quality. KOSUN’s diaphragm wall systems deliver consistent performance in challenging ground conditions.

Trenchless Construction

Rapidly purifies slurry in HDD and pipe jacking to minimize urban environmental impact. KOSUN designs its trenchless systems for mobility and efficiency in space-limited environments.

Value Realization: Compliance and Cost Optimization

Environmental Benefits

Slurry separation systems achieve waste minimization at the source, eliminating the pollution risks of traditional mud pits and meeting green construction standards.KOSUN designs its systems for closed-loop operation, minimizing environmental impact.

Economic Benefits

Recycling significantly reduces fresh water and bentonite costs. In addition, dewatered filter cakes reduce waste volume and transportation costs, improving overall operational efficiency.KOSUN’s systems deliver measurable ROI through reduced material consumption and disposal costs.

Conclusion

The slurry separation system is an essential component of modern underground engineering. Optimal system selection requires a scientific analysis of the excavation strata to balance performance and cost-effectiveness. KOSUN provides customized designs tailored to global geological conditions and specific onsite requirements, ensuring reliable performance and maximum value.

05/05/201905/05/2019

Kosun KDS-500 Shield Slurry Treatment System

Since the introduction of slurry balance shield, the slurry separation and treatment system and equipment have appeared.During the construction of slurry shield, slurry treatment is one of the important factors affecting the normal tunneling of the shield, and directly affects the construction schedule, construction cost and environmental protection.The application of slurry shield, along with the tunnel construction, is gradually developed from the city edge to the city center.Due to the limitation of the construction site, the mud water treatment equipment must cover a small area and have a high treatment rate, so an efficient and integrated slurry treatment equipment has become the first choice of the owner and the construction unit.

Xi’an Kosun Environmental Engineering co.,LTD,It is a professional company providing integrated solutions of solid waste treatment in the field of energy conservation and environmental protection, focusing on the development and service of complete sets of technologies and equipment such as sludge reduction and resource utilization.

Kosun Environmental Engineering co., ltd. helps customers with sludge reduction and disposal services, including: general contracting of sludge treatment, sludge treatment mobile site services, sludge treatment package solutions.

Kosun KDS-500 shield slurry treatment system is a modular design system.The system is designed for mud purification in medium sized slurry balance shield construction projects.The KDS-500 system is composed of a coarse vibrating screen module and two sets of sand removal modules. The coarse vibrating screen module is equipped with a coarse screen for removing large particles, and the sand removal module is equipped with a desander hydrocyclone and a fine vibrating screen.

The slurry falls into the collecting box through the coarse vibrating screen, and then is separated and transported to two sets of sand removal modules through two connecting pipes. The sand removal module is equipped with a desander hydrocyclone, which can remove the sand in the slurry.After two levels of treatment, the effect of repeated circulation can be achieved.

11/06/201711/08/2017

Infrastructure project mud management and Separation

With the development of the city, most of the old buildings were dismantled. After the demolition of old buildings, the construction mud or infrastructure project mud generated by construction waste problem is difficult to solve. If untreated construction mud is poured directly into farmland, the acid-base balance of the soil will be destroyed, leaving the land unable to be cultivated; if discharged into rivers, it will result in serious water pollution. How to deal with the construction mud or infrastructure project mud?( Infrastructure project mud management and Separation)

In the experiment of mud treatment, it is found that the construction rubbish such as concrete, brick, slag and so on has the value of reuse.They can be used as backfill earthwork, and part of topsoil can also be used for garden planting. How to solve the construction mud treatment problems? With the acceleration of the urbanization process, a large number of projects are under construction every year in the urban area, and the construction mud generated by the construction is also increasing substantially. Due to many origins, many management links and many main responsibilities, construction mud often can not be properly disposed, seriously affecting the river water quality and water environment.

There are three characteristics of construction mud or infrastructure project mud: ① large amount of mud production: Once the construction machinery started, it can produce a lot of mud in a short period of time; ② storage difficulties: the scene does not have a large volume mud pool, direct emissions can pollute the environment, cars transport costs are high, on-site processing is the best solution.

As technology continues to evolve, there are traditional sedimentation tanks for mud treatment or mechanical treatment. Sedimentation tank has a larger investment. The use of mechanical methods need to invest a certain amount of funds to purchase equipment, common mud treatment equipment, including mud dewatering shale shaker, desander, centrifuge, and the treatment effect is relatively good.

KOSUN mud management equipment is the best choice for construction mud or infrastructure project mud treatment with the advantages of small footprint, easy to transport, high degree of automation and control, energy saving and emission reduction! (Editor:Kosun Lily.Wang)

Kosun- China Solids Control Leader&Drilling Waste Management Expert

Tel.: +86 29 87304914

Email: sales2@adkosun.com

Contact person: Lily Wang

Online consulting:

http://www.kosun.com

http://www.kosuneco.com

10/31/201711/08/2017

Features and Applications of KOSUN Mud Separation System

KOSUN Mud Separation System wear parts are of anti-corrosion and wear-resistance, long service life and low failure rate, and the system can be suitable for various severe working conditions. After the mud or slurry is treated by KOSUN Mud Separation System, the dried solids can be up to the standard of landfilling or carrying away, and the mud can be recycled or the clean liquid is directly discharged.

Features of KD SERIES Mud Separation System:

-All vibrating motors are provided and powered by U.S.Martin . Ingress protection grade is IP65.

-Use jet nozzle, which can rotates angle within a narrow range, to wash screens, and Y-shaped filter is installed on mud feed pipeline.

– Shale shaker passes ANSYS linear analysis and is designed with multilayer and laminated structure, and the combination of scalping shaker and primary shaker guarantees a high capacity.

-Angle adjustment device of screen box with an adjustable range of -1°~+5° can meet treatment requirements.

– Multi-model composite PU screens are available.

-The most ergonomic design simplifies the operating platform while guaranteeing HSE.

-With the modularized design and strong ductility, the whole system can be set up and combined in the form of modularization. Moreover,every system is designed as per the sizes of international standard container for convenient transportation.

– Hydrocyclones adopt PU and sectional assembly structure, with long service life and simple maintenance. High-efficiency mud purification, desanding and desilting efficiency facilitate.

– Select famous Italian flexible supporting blocks, whose performance is far superior to that of common spring.

Application of KD SERIES Mud Separation System:

KOSUN Company KD Series Mud Separation System can be applied in the following projects:

– Piling mud management, piling slurry separetion;

– Pile foundation mud management, pile foundation slurry separetion;

– TBM slurry management, TBM mud separation;

– Pipe jacking slurry management; Pipe jacking slurry separetion;

– Subway mud separation, light rail mud management;

– Railway mud management, high speed railway mud separation;

-Hazardous waste mud management; Hazardous waste slurry separation.

– River dredging slurry management, river dredging mud treatment;

KOSUN is committed to providing customers with one-stop environmental treatment technologies and services in the above fields, thus really realizing energy conservation and emission reduction. (Editor:Kosun Lily.Wang)

Kosun- China Solids Control Leader&Drilling Waste Management Expert

Tel.: +86 29 87304914

Email: sales2@adkosun.com

Contact person: Lily Wang

Online consulting:

http://www.kosun.com

http://www.kosuneco.com

10/20/201711/08/2017

Construction Mud Management Equipment Company

With the development of the city, construction mud Management is becoming into a big problem. If the untreated construction mud is poured directly into the farmland, it will destroy the acid-base balance of the soil, which will cause the land to be unable to cultivate. If it is discharged into the river, it will cause very serious water pollution. How to treatment construction mud?

As the technology progresses,to treatment the construction mud, there is conventional sedimentation tank and treated mechanical equipment. Sedimentation tanks is large investment, covering is large. The use of mechanical means to invest a certain amount of money to purchase equipment, common Construction Mud Management Equipment, including mud dewatering vibrating sieve, desander, desilter, decanter centrifuge, and the use of Construction Mud Management Equipment really have a good results.

KD Series Mud Management Equipment mainly consists of scalping shaker module,desanding module and desilting module.As a pre-screener, the scalping shaker can remove coarse particles from mud.The desanding module is equipped with desander (primary cyclones) and fine-mesh shaker and mainly removes granulated sand.The desilting module is equipped with desilter (secondary cyclones) and can conduct a fine separation selectively according to the field needs of customers.Mud closed-loop circulating purification mode and lower water content in slags help reduce the environmental pollution.

After the Construction Mud is treated by KOSUN Mud Management Equipment, the dried solids can be up to the standard of landfilling or carrying away, and the mud can be recycled or the clean liquid is directly discharged.

KOSUN is committed to providing customers with one-stop environmental treatment technologies and services in the above eight fields, thus really realizing energy conservation and emission reduction. (Editor:Kosun Lily.Wang)

Kosun- China Solids Control Leader&Drilling Waste Management Expert

Tel.: +86 29 87304914

Email: sales2@adkosun.com

Contact person: Lily Wang

Online consulting:

http://www.kosun.com

http://www.kosuneco.com

10/17/201710/23/2017

Green Slurry Treatment System Expert-KOSUN

Green Slurry Treatment System Expert-KOSUN:With the acceleration of the modernization process, urban integration has gradually become a major trend, a variety of urban infrastructure develop rapidly, but the attendant construction mud treatment has become a big problem which can not be ignored. National governments at all levels attach great importance to the construction mud treatment problems, and have already introducted relevant environmental laws and regulations focused on the construction mud treatment. However,Less of companies are able to use newest processing methods in construction mud treatment (or piling mud treatment, pile foundation mud treatment) due to various technical and personnel issues.

Under the circumstances, KOSUN developed a set of green Slurry Treatment System for construction mud treatment. KOUSN is a professional manufacturer engaged in R & D environmental protection related machinery, according to the latest international case, with reference to domestic and international first-line equipment, developed a variety of construction mud treatment system, and the actual test is very successful, through the principle of physical separation, the mud is separated, and finally the water and the solid phase in the mud are separated. The water can be recycled at the site and the resulting solid particles can be used for paving or joining the construction site to be recycled again.

KOSUN green slurry treatment system mainly consists of scalping shaker module, desanding module and desilting module. As a pre-screener, the scalping shaker can remove coarse particles from mud. The desanding module is equipped with desander (primary cyclones) and fine-mesh shaker and mainly removes granulated sand. The desilting module is equipped with desilter (secondary cyclones) and can conduct a fine separation selectively according to the field needs of customers. Mud closed-loop circulating purification mode and lower water content in slags help reduce the environmental pollution.Wear parts of the system are of anti-corrosion and wear-resistance, long service life and low failure rate, and the system can be suitable for various severe working conditions.

KOSUN green slurry treatment system successfully helped a number of foreign construction site to deal with a large number of construction mud, our customers are very satisfied with the effect of our mud separation equipment,and said they will plan a long-term cooperation with us.KOSUN green slurry treatment system will not only solve the actual treatment of the construction mud, but also can reuse a variety of materials, helping Project company save cost.

Kosun- China Solids Control Leader&Drilling Waste Management Expert