SOLID WASTE RECYCLING SERIES

RECYCLING OF RESIDUAL SLUDGE

AND ENGINEERING SPOIL

STOCK CODE:603280SH

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Fujian South Highway Machinery Co., Ltd. (Stock code: SH, 603280; Hereinafter referred to as: NFLG)

was established in 1997. Based on a deep understanding of the laws of industrial development and

over twenty years of research and development(R&D), with engineering mixing as its foundation,

NFLG has formed a business pattern driven by the synergy of three major sectors: material processing,

engineering mixing, and construction and demolition waste treatment. Creatively, it has provided the

market with comprehensive solutions for green building material processing and recycling. Meanwhile,

NFLG has devoted itself to creating an Internet of Things(IoT) of intelligent engineering and offering

butler service for operation management to form a complete industry chain of \"hardware-software

-service.\" NFLG deeply integrates with clients, providing them with services that are safer, more

efficient, more intelligent and more environmentally friendly.

In the future, NFLG will continue to adhere to a market-oriented approach, keep innovating, deepen

core technologies, and enhance the digital and intelligent level of products. It will continuously deepen

its role as a provider of green building material processing and recycling system, and adhere to the

value of \"Be professional, be specialized, do better and go further”. NFLG is committed to becoming

an international company trusted and respected by customers and peers, contributing to the country's

low-carbon and environmentally friendly economy, and giving back to society with a greater sense of

social responsibility.

INTRODUCTION

PREFACE

With the acceleration of urbanization,the amount of construction and demolition Waste (C&D) has

increased dramatically, of which residual sludge and engineering spoil account for as much as

60 % to 70%, which has brought great pressure to the urban environment. Large processing volume,

high processing cost, low resource utilization rate and secondary pollution risk have brought huge

challenges to the treatment of residual sludge and engineering spoil. As a globally leading provider

of green building material processing & recycling system, NFLG has combined the actual situation

in our country for many years of technical accumulation, and innovatively developed and launched a

series of efficient, environmentally friendly and high-value recycling solutions for residual sludge and

engineering spoil.

NFLG can tailor-make recycling solutions for residual sludge and engineering spoil through a variety

of technical modules such as sludge cake improvement, complex spoil improvement, solid waste

recycling and granulation, fluidization, etc.. By sandification, granulation, and fluidization, residual

sludge and engineering spoil are converted into high-quality and high value-added recycled resources.

The finished products are widely used in engineered compacted fill materials, urban greening,

recycled brick manufacturing, backfill pouring and other fields, which not only solves the problem

of residual sludge and engineering spoil, but also realizes the high-value utilization of waste. Driven

by technological innovation, NFLG is committed to providing customers with more environmentally

friendly and efficient solid waste treatment solutions to promote the sustainable development of cities.

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NFLG

Recycling of

Residual Sludge

and Engineering Spoil

Solution

3 3 1

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Screening

Screen out impurities or

finished products with

economic value from

engineering spoil.

Crushing

Crush the large-size

materials and combine

with screening to shorten

the pretreatment process

steps.

Washing

The aggregates with high

economic value are washed

and purified.

Processing

Sandification

The low-economic-value

residual sludge and

engineering spoil after

pretreatment are solidified

and improved to make them

sandy, which can be used as

low-strength engineered

compacted fill materials.

Granulation

Residual sludge and engineering

spoil are combined with other

solid wastes for stabilization

and granulation, so that they

can be passivated and sealed

for reuse.

Fluidization

The low-economic-value

residual sludge and engineering

spoil after pretreatment are

fluidized mixing so that they

can be used as low-strength

engineering pouring filling

materials.

Transforming

Recycling

Solid waste+ model

The solid waste+ model of NFLG

aims to provide customers with

comprehensive solid waste

solutions, fully integrate

customers' solid waste resources,

and maximize benefits while

recycling them in all aspects.

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Sludge Cake Improvement Solution

Curing agent powder silo, to store cement,

lime powder, coal ash and other curing

agents

RM sludge cake improvement plant

integrates sludge cake storage,

transportation, metering, crushing

and mixing.

Solution diagram

NZLB

The treatment of sludge cake has long been a difficult problem in the industry. NFLG NZLB sludge

cake improvement solution conducts a series of treatments on sludge cake raw materials, so that

the improved granular materials can be used as filling materials for highway projects. It can also be

used as raw materials for dam filling, park green plants and (non-) sintered blocks.

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Admixture powder silo, can add incineration fly ash,

phosphogypsum, sulphur stone powder and other

recycled admixtures according to customer's

requirements.

Centralized dust collector, a fully closed equipment

to assure no flying dust.The powder collected in the

centralized dust removal is reused.

Automatically identify the particle size of the

finished material and adjust the flying cutter

speed in time.

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Final product

Conveying belt Store away from water

Curing

Material Crushing

Model Capacity(t/h)

NZLB Sludge Cake Improvement Solution Technical Parameters

NZLB 100~150 20 Approx.300 Approx.500

Sludge cake improvement

Dry spoil

Sticky spoil

Maximum rigid feed size(mm) Total power(kW) Footprint(㎡)

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FLOW CHART

Technical parameters

Raw material 1

Final Product

Final product construction

Raw material 2

APPLICATIONS

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NZLD Complex Spoil Improvement Solution

During the excavation process, spoil is often mixed with various impurities, which poses a huge

challenge to the subsequent processing process design and plant performance. NZLD complex

spoil improvement solution is developed to handle this type of complex spoil. It can process

complex sticky spoil and improve the quality. The improved granular materials can be widely

used in various recycled materials such as road base filling materials and greening soil.

Curing agent powder silo, to store cement,

lime powder, coal ash and other curing agents

UM complex spoil improvement plant, equipped with

special anti-sticking flexible design, variable frequency

control, special cutter head design, effectively improves

various residual sludge and engineering spoil, and

improves the quality and usability.

Solution diagram

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Admixture powder silo, can add incineration fly ash,

phosphogypsum, sulphur stone powder and other

recycled admixtures according to customer's

requirements.

Dry material feeding

干料上料 Wet material feeding

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Curing

material

Model Capacity(t/h)

NZLD Complex Spoil Improvement Solution Technical Parameters

NZLD 100-150 100 Approx.300 Approx.1000

Complex spoil improvement

Raw material input

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Technical parameters Maximum rigid feed size(mm) Total power(kW) Footprint(㎡)

Final product

Conveying belt Store away from water

FLOW CHART

Raw material1

Raw material 2

Final product

Final product construction

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APPLICATIONS

Material conveying device solves the problem

of storage and conveying of viscous materials.

NZLA Solid Waste Recycling And Granulation Solution

Industrial production and domestic sewage discharge produce contaminated residual

sludge and engineering spoil and industrial waste. These wastes are variable and

unstable in nature and are very likely to cause secondary pollution to the environment.

Solid waste recycling and granulation solution can carry out comprehensive treatment of

residual sludge and engineering spoil and other solid wastes, and curing agent is fully

mixed into the waste to solidify and stabilize them, thus meeting the standards for

landfill and resource recycling.

Solution diagram

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Curing agent powder silo, to store cement,

lime powder, coal ash and other curing agents

The granulation building includes the granulator,

liquid metering system,curing agent metering

system, micro metering system and other auxiliary

devices.

Equipped with ZL1500 granulator, it can switch

between four working conditions: crushing,

mixing, granulating and grain shaping. It has

high working efficiency and flexible application

directions.

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Yard Loading Store away from water

Stable supply of

raw material

Conveying system

Goes through crushing,

mixing, granulation,

grain shaping

Granulator

Admixtures Admixtures

Measuring hoppers

NZLA Solid Waste Recycling And Granulation Solution Technical Parameters

NZLA 10-20 20 approx.280 approx.800

技术参数

SPECIFICATIONS

*Also able to produce fluidized solidified soil

FLOW CHART

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Model Capacity(t/h) Maximum rigid feed size(mm) Total power(kW) Footprint(㎡)

Technical parameters

Raw material 1

Final product

0-5mm

Sponge city filter material Garden decorative stones

Final product

5-10mm

Final product

10-20mm

Raw material 2

APPLICATIONS

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Curing agent powder silo, to store cement,

lime powder, coal ash and other curing agents.

NZLC Fluidized Solidified Soil Solution

Subway shield tunneling, foundation rotary drilling and piling and other infrastructure construction can

generate a large amount of sludge. Due to its wide range of sources, it is often accompanied by high

impurity content. Fluidized solidified soil solution of NFLG combines sludge dissolving, mixing, batching,

mixing and other processes to convert residual sludge and engineering spoil into high-quality recycling

fluid backfill with stable performance, which can be widely used in pipeline gallery backfill, loose trench

backfill, and irregular space backfill and other narrow space filling areas.

Tank truck. The finished products needs to be

transported to the construction site for pouring

by tank truck.

Solution diagram

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The fluidized mixing building contains a series of metering,

dissolving and mixing devices, which automatically detect

the flow value and control the quality of the finished product.

A variety of silos make it easy

to adjust product formulas.

Make the whole production

process more convinient.

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NZLC Fluidized Solidified Soil Solution Technical Parameters

NZLC 100-120 40 approx.350 approx.800

Yard

Sticky spoil

Sandy spoil

P P P P

Mixer

Mixing pool Vibrating Screen Slurry tank

Sticky spoil and

sandy spoil mix

with water

Screen out

large particle

Store and mix to ensure stability

Break up clumps

Particle size adjustment machine

Water

FLOW CHART

Model Capacity(t/h) Maximum rigid feed size(mm) Total power(kW) Footprint(㎡)

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Mixer truck

transportation

The forced twin-shaft

mixer uniformly mixes

the slurry and curing

materials

Slurry Curing material

Provide special

cement-based

curing materials

Curing

material silo

Density adjustment material

Measuring tank

Mixer

Technical parameters

Raw material

Finished product pouring

Dam slope

protection filling

Underground

cavity filling Pipe gallery filling Building foundation

trench backfill

APPLICATIONS

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Laboratory

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During the process of developing the residual sludge

and spoil recycling solution, we will analyze and verify

the raw material samples provided by the customer.

On the one hand, we provide customers with suggestions

suitable for the application end, and on the other hand,

we verify the actual feasibility of the solution and provide

factual basis for the implementation of the overall solution.

Screening Plasticity and liquid limit

penetration test

CBR penetration test Flow value test

Flow value measurement Sample size measurement

Sample compression filling mold Sample demolding

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固化剂粉罐，可存水泥、石灰、粉煤灰等固化剂。

RM泥饼改良一体机，是一台集泥饼储存、输

送、计量、破碎、混合为一体的集成化设备。

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磷石膏、硫石膏、尾矿渣、石粉等再生外加剂。

集中除尘器，设备全封闭，集中除尘后的粉体

重新利用，无扬尘，外加剂回收利用。

Guided by a focus on low carbon, energy-saving, and specialized technology

Provide comprehensive solutions for residual

sludge and spoil recycling

Focus on customer needs and practical applications

Provide lifecycle industrial service upgrades

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No.700,Tiyu Street,High-Tech Industry Zone,Fengze District,Quanzhou,Fujian

P.R.C 362021

TEL：+86-595-2290 5555 FAX：+86-595-2290 1888

Email: sales@nflg.com

Website: https: //en.nflg.com

All rights reserved by NFLG. Changes, if any, will not be notified in advance.

Version No.：2018-V3-24

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