Zhengzhou Deyi Heavy Industrial Machinery Manufacturing Co., Ltd. is a Chinese manufacturer of equipment for new wall materials. It has over 100 production lines and manufactures large hydraulic brick-making machines, steam-pressing equipment, and aerated concrete equipment. It has grown to be a leader in wall machinery through product development, quality products, and efficient service. The document then provides details on Deyi's autoclaved aerated concrete production process and equipment for an annual output of 50,000 cubic meters. This includes information on material proportions, land and energy requirements, costs, and examples of international contracts signed.

1. DEYI
HEAVY
INDUSTRIAL

2. Company Profile>>>
Jointly established by national institutes, Zhengzhou Deyi Heavy Industrial Machinery Manufacturing Co., Ltd. is one of
the earliest, large-sized, high-tech enterprises specialized in mass production and export of equipment for new wall
materials. Integrating product development, production and marketing, Deyi is equipped with over 100 sets of production
equipment, internationally advanced production lines and a first-rate modern test base. Covering a land area of 52,000 m2,
the company mainly manufactures large-sized hydraulic brick-making machines, steam-pressing production line equipment,
and aerated concrete equipment. Among our employees, over 20% of us are engineering technicians.
Over the past two decades, Zhengzhou Deyi Heavy Industrial Machinery Manufacturing Co., Ltd. has grown to be
manufacturer strong in product development, mechanical working, rivet welding and assembly. Advanced technology,
diversified products, stable quality and efficient service have made Deyi the leader in wall machinery manufacturing industry.
Our products have been widely sold in twenty provinces and municipalities across the country and in such international
markets as Malaysia, Egypt, Russia, Kazakhstan, Azerbaijan, Turkey, Kuwait, South Africa and India.
Excellent product quality is the promise of DEYI person, perfect after-sales service and technical support is the aim of the
DEYI people! DEYI sincerely welcome merchants and friends from home & abroad to visit us!
Profession from Devotion
Leading from Innovation

3. Technological innovation & Elaborate manufacture
T e c h n i c a l P r o c e s s & E q u i m e n t C o n f i g u r a t i o n o f A n n u a l
5 0 , 0 0 0 m 3 A A C P r o d u c t i o n L i n e
irst,Technical Process o F f AAC Production Line
The whole aac production line includes four big processes, like raw material preparation, mixing & pouring,
static curing & cutting, and steam curing & packing.
1. Raw Material Preparation Section
First, Raw Material Preparation (Equipments: Jaw crusher, Bucket elevator, Silo, Electronic Vibrating Feeder, Ball Mill, Mould, etc.
Fly ash is conveyed into ball mill by electromagnetic vibrating feeder and belt, then sent to the pulp storage bins through fly ash pump.
Lime is sent to jaw crusher to crush by electromagnetic vibrating feeder and belt, after crushed, were lifted into lime silo by bucket
elevator and then grinded into fine lime by grinding ball mill conveyed by screw conveyor, material is conveyed into powder batching
by screw conveyor.
Profession from Devotion
Leading from Innovation

4. Technological innovation & Elaborate manufacture
2. Mixing & Pouring Section
(Equipments: Screw conveyor, Silo, Aluminum mixer, Pouring machine,
Control system, etc. Fly ash slurry will be measured by slurry electronic
measurement in ingredients center. Lime, cement are sent by spiral feeder to
measure. Then all the raw materials will be sent to pouring mixer machine by
feeding equipment for high-speed mixing, All measurements are through PLC
automatic centralized control to assure accuracy and continuity of
measurement. After a few minutes, then the arm of casting machine starts
pouring
3. Static Curing & Cutting Section
(Equipments: Static stop maintenance room) After pouring,
mold should be sent to static stop maintenance room for
preliminary condensation, the temperature should be 50 to
70℃ for 1.5-2 hours. (According to the geographical
advantages, the process can be discharged).
(Equipments: aac block cutting machine, air compressor,
Recycling mixer) After pouring and foam, green body should
static stop to certain degree of hardness (about 1 hour), then
cutting, before cutting, the green body will be through the flip
cutting machine to turn 90 degrees, first vertically cutting, and
then horizontally cutting.
4. Steam curing & Packing Section
(Equipment: steaming larry, winch, autoclaves, boiler, etc.) Finished grouping steaming larry will be sent to autoclaves by the slowly
winch, after 8-10 hours block in autoclaves, the finished blocks will be pulled out at the end of the autoclave. A semi-finished crane
hoist will send the blocks with side panel to conveying groove, then the blocks would be sent to wooden pallets in the packing line by a
finished crane hoist. The worker or automatic packing machine will pack the blocks, then they will be put together in the finished goods
yard. The empty side panel return and go on its cycle after cleaning.
Profession from Devotion
Leading from Innovation

5. Technological innovation & Elaborate manufacture
econd, I S ntroduction of AAC Block
Autoclaved Aerated Concrete (AAC) block plant is widely used in industrial and civil construction over 60
years, as building material with the most mature technology of production and application with many
advantages as bellow:
Introduction
AAC blocks can be made into wall blocks, insulation blocks,
pressed panels, floor, wall and pipe insulation and other
products, aerated blocks in our country have already been widely
used in industrial and civil buildings in load-bearing or non-load-bearing
structures and pipe insulation, and become a new an
important part of building materials.
Product Variety
AAC Block:
Length: 600mm
Height: 200, 240, 250, 300mm
Width: 75, 100,125, 150, 175, 200, 250mm
60, 120, 180, 240mm
Quality
Volume grade: 500, 600, 700 kg/m3 (05, 06, 07).
Pressure enduring grade: 3.5, 5.0, 7.5Mpa (35, 50, 75 level).
Dry shrinking: ≤0.8mm/m.
Heat conduction ratio: 0.11-0.22Kcal/m.h.℃.
Sound insulation: 40-47.45Db.
We produce according to the AAC block technology requirements
of GB/T11968-2006 of People’s Republic of China.
Advantages
Main materials & differences:
The main raw materials are: fly ash（sand) , lime, cement, gypsum, aluminum powder, water.
Power mainly from: Electricity, Steam water(energy from burning coal, diesel and natural gas, etc)
Difference of blocks with sand and fly ash: Sand block is
1. A little heavier;
2. Higher compressive strength;
3. Better impermeability;
4. Better product quality and performance ( due to lower shrinkage of sand);
5. More widely processed as block or plate, sheet also can bring facing;
6. Higher power consumption, higher prices due to the need of mill grinding by wet type ball mill.
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Leading from Innovation
1.Lightweight: usually 450-700kg/m3
2.High Strength
3.Sound proof
4.Fire Proof
5.Thermal Insulation
6.Eco friendly and Energy Efficient
7.Easy processed

6. Technological innovation & Elaborate manufacture
hird, R T aw Material Propotion
Fly Ash: Gypsum: cement: lime = 73%: 3%: 3% :18-22%(Recommended)
Sand: Gypsum: cement: lime = 63%: 3%: 10% :18-22%(Recommended)
Sand AAC Block Material Proportion
Parameter Name Parameter Value
Sand 55-65%
Cement 10-20%
Lime 18-22%
Gypsum 2-5%
Aluminum powder paste 0.08%
Water & material rate 0.65-0.75
Casting system 35-38 ℃
Aluminum mixing time 30-40 S
Fly Ash AAC Block Material Proportion
Parameter Name Parameter Value
Fly ash 65-73%
Cement 3%
Lime 18-22%
Gypsum 3-5%
Aluminum powder paste 0.08%
Water & material rate 0.60-0.65
Casting system 35-38 ℃
Aluminum mixing time 30-40 S
Fouth, Annual 50,000m3 AAC Production Line Equipment List(Sand)
NO. Equipments Name Specifications Quantity(Set) Power (Kw) Function Remark
Part 1 Raw Material Preparation Section
1.1 Jaw Crusher PE250×400 1 15 Crush quicklime
1.2 Bucket Elevator HL250×11m 1 4 Lift bulk lime
1.3 Silo Φ2.5×4.7m,V=20m3 1 / Storge lime grain Self-made
1.4 Manual valve Φ300 1 Control baiting
1.5 Vibrating Feeder GZ3，Q=8-20T/h 1 0.2 Feed uniformly
1.6 Ball Mill (Dry type) Φ1.2×4.5m 1 90 Mill quicklime
1.7 Separator Φ1.2×4.5m 1 Separating fine and corse materials
1.8 Bucket Elevator HL250×18m 1 7.5 Lift fine lime to silo
1.9 Lime Silo Φ2.5×4.7, V=20m3 1 / Storge lime Self-made
1.10 Cement Silo Φ2.5×4.7, V=20m3 1 Storge cement Self-made
1.11 Manual valve DN250 2 Control baiting
1.12 Sand hopper 1 Bating Self-made
1.13 Belt conveyor B650×8m 1 5.5 ( Sand only)
1.14 Ball Mill (Wet type) Φ1.5×5.7m 1 130 Making sand slurry
Part 2 Slurry Making & Pouring Section
2.1 Slurry Mixer Φ2.2×2.2m 2 22 Slurry making
2.2 Slurry storage mixer Φ4×4m 1 22 Storge slurry
2.3 Manual valve DN250 2 Control baiting
2.4 Screw Conveyor Φ250*3.5m 2 6 Convey lime and cement
2.5 Cement &Lime Measuring Tank Φ1.2*1.5m,G=700kg 1 Cement & lime measuring
2.6 Slurry flow tank Φ1.8*1.5m,G=3000kg 1 Slurry measuring
2.7 Pneumatic valve Φ200mm×2,Φ250mm×1 3 Pneumatic control baiting
2.8 Air Compressor w-1.0/8：8kg：1.0m3/min 1 7.5 Open valve
2.9 Screw Conveyor Φ250*1.2m：60r/min,14.8T/h， 1 3 Convey materials to mixer
2.10 Fluid pump 80YZ80-20 3 45 Convey slurry
2.11 Aluminum Powder Mixer Φ：500×550mmV=0.052m3 1 0.75 Ming & making slurry
2.12 Batching System DY-5W 1 Automatic control
2.13 Fly ash rotary screen 1 1.5 Screen coarse cinder
2.14 Pouring mixer Φ: 1.8m,4.0m3 1 30 Mixed slurry mixing
2.15 Pouring Ferry Vehicle 4300×2600×650mm 1 11 After pouring, sent to static curing
Part 3 Static-Curing & Cutting Section
3.1 Mould Tractor QY.00 4 12 Drag green body to overturn crane
3.2 Mould 4300×1300×650mm 10 Foaming & moulding
3.3 Side Plate 4400×650×130mm 46 Support mould
Part 4 Cutting Section
4.1 Overturn Crane Q=2×5T,L=10.5M 1 22 Lift for cutting
4.2 Overturn Sling FZDJ-4.2 1 7.5 For cutting & marshalling
4.3 Rail Conveying Line 10+10 10 4.44 Convey side plate
4.4 Cutting Machine Unit JQKF4.2 1 23.5 Cut green body
4.5 Overturn Crane Q=2×5T,L=10.5M 1 22 Lift body to curing car
4.6 Semi-product Sling BCPDJ-4.2 1 7.5 Move green body to curing car
4.7 Waste Slurry Mixer Φ2.2*2.2m 2 15 Recycling use
Part 5 Coding & Steam-curing Section
5.1 Tractor QZ.00 2 4.4 For static curing
5.2 Steam-curing Car 4420×1200×240mm 21 Support die shoe
5.3 Winch 3T 2 15 Drag curing car in & out of autoclave
5.4 Autoclave Φ2×26.5m 2 Selective buying
5.5 Boiler 4T 1 Selective buying
5.6 Traveling Crane 5T 1 10.8 Convey finished product
5.7 Sling CPDJ-4.2 1 Lift product to vehicle

7. Technological innovation & Elaborate manufacture
ifth, Area Required & Materal,F Energy Consumption
Annual output（m3) 30000-50000 100000 150000 200000 300000
Land required（m2) 7000 10000 13000 27000 40000
Construction area（m2) 1500 2000 2500 3000 3600
Finished-product storage area（m2) 1260 2520 3780 5040 7560
People required(NO.） 18 28 30 35 43
Total power（kw) 440 450 640 860 970
Electricity consumption/year(°) about 700000 about 1400000 about 2100000 about 2800000 about 4200000
Water consumption/year(T) about 25000 about 50000 about 75000 about 100000 about 150000
Coal consumption/year(T)
about 1250
about 2500
about 3750
about 5000
about 7500
or Natural gas consumption(T)
about 11.8
about 23.6
about 35.4
about 47.2
about 59
Fly ash consumption/year(T)
or Sand consumption/year(T)
about 27500
about 17500
about 55000
about 35000
about 82500
about 52500
about 110000
about 70000
about 165000
about 105000
Lime consumption/year(T) about 5500 about 11000 about 16500 about 22000 about 33000
Cement consumption/year（T) about 800 about 1600 about 2400 about 3200 about 4800
Gypsum consumption/year(T) about 800 about 1600 about 2400 about 3200 about 4800
Aluminium powder
consumption/year（T) about 28 about 54 about 84 about 108 about 162
Remark: The above parameters are all based on 300 working days per year, 22 effective working hours per
day, two shift in turn, 11 hours for each shift.
NO Item Consumption(m3) Unit price(rmb) Block Cost（m3/rmb)
1 Sand/fly ash 0.420t 40 16.8
2 Cement 0.03t 320 9.6
3 Lime 0.115t 260 29.9
4 Gypsum 0.018t 50 0.90
5 Aluminium powder 0.5kg 12 6
6 Coal 0.02t 800 16
7 Power 10°C 0.7 7
8 Water 0.12t 3 0.36
9 Used oil 0.5kg 2.4 1.2
10 Consumable 1.12
11 Maintenance fee 0.05
12 Staff wages 8
13 Management fee 2.5
14 Depreciation fee 4
15 Other cost 3
16 Total cost 105.43
Profession from Devotion
Leading from Innovation
At last, Cost-benefit Analysis
The COST for making aac block in the Zhengzhou market is about 105 rmb/m3,
the MARKET PRICE is about 180-200rmb/m3.
Take the 100,000m3 as example,
The ANNUAL PROFIT is: 100,000 m3×75 RMB=7,000,0000 RMB,
One year normal operation can get the returns of investment cost and start to make profit.

8. International Cooperation>>>
Russian clients came for goods
inspection in May. 2014
Profession from Devotion
Leading from Innovation
Russian clients signed 50,000m3 AAC line contract
with us in Mar. 2014
Indian clients signed 100,000m3 AAC line in Jul. 2013
Iraqi clients clients visited us in Otc. 2013
Indian clients came to visit us in Jul. 2011
Indonesian
clients came to
visit us in
Sep. 2012
Indian clients came for goods
inspection.2014

9. Profession from Devotion
Leading from Innovation
G o o d s D e l i v e r y > > >
Technological innovation
elaborate manufacture
Technological innovation
elaborate manufacture

10. DEYI Workshop>>>
Panorama of Workshop
Profession from Devotion
Leading from Innovation

11. Z....H...E...N...G...Z...H...O....U.. . .D...E...Y...I. . .H....E..A....V...Y.. . .I..N...D...U...S...T...R...I..A...L.. . .M....A...C...H...I..N...E...R...Y... ..M...A...N....U...F..A...C...T...U....R...I.N....G.. . .C...O..... ..,.L...T...D................................................
Address：200m East to Crossing of Jingnan San Road and 107 Way, Zhengzhou
Economic and Technological Development Zone,Zhengzhou
Tel：+86-371-66783629/86599176
Fax：+86-371-86599172
W e b s i t e：h t t p : / / w w w . d e y i h i . c o m
E -ma i l：a d m i n@d y h i . c n