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FOSHAN COTO KILN CO., LTD. NO.: COTO120329SA

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FOSHAN COTO KILN CO., LTD.

3/F Xiabeipu No.29, Jihua RD4, Foshan City, Guangdong Province, China

Tel: 86-757-82709857 Fax: 86-757-82709851 Email: [email protected]

36363636CBCBCBCBMMMM ShuttleShuttleShuttleShuttle kiln forkiln forkiln forkiln forRefractory brickRefractory brickRefractory brickRefractory brick

DESIGN NUMBER: COTO120329SA

DATE: MAR.29, 2012.VALIDITY: 45 DAYS.

Manufacturer & Contractor


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SALES CONDITIONDELIVERY TIME: At sellers factory within 50 days after the contact is coming

into force.

PACKING: Included

It covers:

-Storing of the goods waiting to be shipped;

-Preparation and packing of the goods;

The materials will have to be kept by buyer in covered and

guarded areas. All the precautionary measures necessary

for the correct preservation of the materials will to be

taken, waiting for its installation.

INSTALLATION: It includes the following phases:

-Positioning of the equipment in conformity with the plant

layout;

-Possible unpacking;

-Assembling of what is necessary for the completion;

-Connection with the various electrical, pneumatic uses or

other;

-Adjustment of the equipment; (levels; running way of the

motors;

-Installation of the safety devices;

-Idling test of the equipment.

What above-mentioned produces the subscription of the

installation End Certificate.

-Installation work finish with 45 days.

START UP: Include

It includes the actions necessary to put the plant in

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operation until the achievement of the production

contractual terms.

What above-mentioned produces the Acceptance

Certificate of the Plant.

Possible parts excluded from the commissioning due to

lacks can be indicating in the same certificate.

TRAINING: Included

It is the training phase of the Customer personnel.

QUALITY GUARANTEE: The seller shall guarantee the goods is completely

brand-new and shall conform to the technical specification

as stipulated in this contract.

The mechanical guarantee of the contract equipment is 12

months after the commissioning date, or 18 months from

the date of picking up goods in case the commissioning

date, or 18 months from the date of picking up goods in

case the commissioning cannot be finished due to Buyer

fault, during the Guarantee period, if the accessory(ies) of

equipment(s) is/are damaged, the Seller will replace or

repair. (except the Buyer improper use and tear wear

parts).

PAYMENT: 30% as down payment the contract comes into force after

receiving the down payment by the seller;

70% by an Irrevocable Letter of Credit at sight; payable

against shipping documents.

Or other way to be agreed.

REMARK: During machines installation and commissioning the

following costs incurred by Technicians of the Seller shall

be borne by the Buyer.

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-Board and lodging,

-Laundry,

-Pocket money,

-Local Transportation

-Round way air ticket.

EXCLUSIONS: Not included in the supply:

-Transport and lifting equipment on site, with their

operator, and also the crane for the assembling.

-Brickwork and civil engineering works to be performed

according to our drawing.

-Auxiliary services (Natural gas, compressed air, electricity,

grounding, etc..), main emergency generator, water

treatment plant and relative drawings.

-All the pipelines, included the chimneys, for the auxiliary

services and relative drawings and possible insulation.

-Anchor bars for foundations and various walled parts.

-Hydraulic and lubrication oil.

-Consumption material for the installation.

-E.M.F. feeding positions will be indicated on the general

definitive layout. The tension must be within a maximum

limit of variation of 10%. The feeding lines of the electric

panels must be protected with differential security breaker

with adequatesensitivity, as foreseen by the norms in force.

The European reference norm is the EN60204-1.

-Skilled and unskilled labor for the plant installation.

-The installation shall be carried out with the use of

workmen (masons, mechanics, electricians and unskilled

workers) made available by the customer.

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-The work direction shall be carried out by our technicians.

-Skilled and unskilled labor for the plant start-up.

-The start-up and the commissioning of the plant shall be

done together with the customers personnel (workers and

skilled technicians). The co-ordination is carried out by our

technicians.

-Anything else not expressly indicated herein.

VALIDITY OF THE OFFER: 45 days.

Technical designation

I. Main performance and parameter

1Product: Refractory brick

2

Kiln valid inner dimension: 36m

3

3Kiln inner size: 6760mm (W) X3040mm (L) X 1600mm (H)

4Size of products: 610*350*80mm

5The size of kiln car (surface): 2800mm (W) X 2160mm (L)

6Fuel: Nature Gas (Heat value: 8300kcar/ m3)

7Firing temperature: 1400, the maximum temperature 1500

8Firing cycle: 20-30h (normal temperature till maximum fired

temperature) The user can adjust the firing cycle

according their production capacity and quality

demand. The user should ensure their kiln facility can

endure with this firing cycle.

9Firing atmosphere: Oxidation

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10Production capacity: about 1000 pcs / kiln

The real loaded capacity should according the

product size and its loading method in the car. The

user can test the product on the ground for how it

can load product to get the best loading density.

11Temperature deviation: 5 (in maximum temperature)

12Control system: Temperature auto-control, pressure auto-control.

13Refractory structure of the kiln: Fibre cotton & brick.

14

Exhaust style: Mechanical exhaust

15Spray gun: 8 pcs of high speed isothermal spray gun

16Railway: One lane inside the kiln, One lanes outside the kiln

17Heat exchanger: Use the waste heat for heating the combustion air.

The temperature of combustion air can raise to 100-150.

18No. of car: 6 cars (3 kiln car inside the kiln, 3 cars outside)

19Fan: One combustion fan, one exhausting fan, made of stainless steel.

II. Kiln construction

1Kiln Module

a) The kiln adopt module construction, each module include the

burner, flue, cooling break, sand sealing, rail , kiln wall refractory

material, the kiln install in plant site.

Steel for kiln body:

1. Side frame: 70*50*3, 50*50*2.5mm square tube

2. Kiln door: 12#, 10# U-steel, and square tube

3. Railway: 12kg steel rail

4. Heat exchanger: Hest resist Stainless steel, #304

5. Kiln car: 10# U-steel, 10# square tube, 50mm angle steel

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6. Kiln face plate: 1.5mm A3 cold plate, 4 sides edgefold, with

paint.

b) The shell of the kiln use the good quality steel board and tighten

channel steel, square tube make into the module, all the steel

material on the kiln shell with high temperature durable paint.

2 Kiln roof is crown ceiling cotton & brick construction.

Name of material Thickness Max. stable temperature

Mullite Polycrystalline fibre 50mm 1600

JM 28 brick 230mm 1400

High aluminium fibre blanket 25mm 1350

Normal fibre cotton blanket 25mm 1260

Total thickness 330mm

3The total thickness of kiln wall is 515mm, the sticking refractory

and insulated materials as following:


Mullite Polycrystalline fibre 50mm 1600

JM 28 brick 230mm 1400

High aluminium light brick 115mm 1350

High pure fibre board 20mm 1350

Aluminium silicate fibre board 50mm 1300

Rock wool 50mm 1250


4The kiln is single door structure. The construction-work thickness is

430mm, fully cotton, same as kiln wall. While in close, the door and the

wall connected as the tower construction, which is good for sealing the

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air flow.


Mullite Polycrystalline fibre 50mm 1600 JM 28 brick 230mm 1400

High aluminium fibre board 100mm 1350

Aluminium silicate fibre board 50mm 1300


III. Kiln Car Construction

1The kiln car assembled by frame and processed axle assembly (include:

wheel, axle and sealing bearing), will delivery to work site for

installation. There are refractory bricks all around the kiln car surface,

and fill cotton fibre in the middle, cover cotton blanket above. The

refractory will work on site. Also a ceramic rope separates the air on

the kiln car bottom.

2The kiln car frame is made of steel, the kiln car side go through the sand

sealing, avoid the heat flow out from the kiln, all the steel painting with

high-temperature-resist paint.

Include all the wheel, axle, frame and refractory for 20 set of kiln car.

IV. Firing system and control system

1Exhaust system

a) The kiln design in side exhaust, after diluted, it exhausted through

the drain pipe on the top of kiln. If control the kiln pressure properly

the heat could transfer to the product evenly.

b) Through the Programmable controller control the driving air valve

to get the kiln pressure stably, on condition of proper control

system it can get very good iteration.

2Control system

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a) Integrate multil control system is one of the fully automatic

control system on the basic of PLC, this system control all the

function from kiln start to firing completion.

b) Through the software interface writing the procedurer, modify and

save the firing cycle entre into PLC.

c) During operation, the interface can diverse the Chinese and English

version conveniently.

d) The status report.

e) Alarm.

f) Recording the operation files.

g) Long distance inspection.

h) While the computer in fault, the kiln still can work on, but no screen

display, the indicator light on the panel can confirm the kiln running

in good condition or not.

j) The pulse control system:

Controlling each spray nozzle

Controlling the each spray nozzle individual natural gas execute

framework.

Individual air execute framework

Individual thermo valve shut off

Individual ignite and flame detect system

Auto program gas and air ratio system

In each zone with seperate thermocouple and compesated lead.

Atmosphere auto diverse system

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Auto procedure temperature curve system

Auto atmosphere inspect system

Emergency stop at over temperature.

Alarm and warn indicator

Order select and set up operate selection

Display selection switch

Control system includes the safety device, which can make the kiln

recover to safe status.

3Firing system

a) All use the high speed temperature isothermal spray gun. 4 auto

temperature control point. Each 2 spray gun controlled in one

group, 2 spray gun in each firing channel on both side and

up&down, with a labyrinth position. Totally 4 firing channel.

b) All the burner with automatic ignite and fire off protect safety

device. Each burner controlled by its own control system.

c) Main gas station is a whole system with filter, pressure-reducer,

pressure smoother, safely-cut off device. The buyer should provide

good gas with smooth pressure, the gas is controlled by the rate

valve according to the pressure of combustion air.

d) The firing system includes:

Fuel supply pipes; Pressure-reduce station; Pressure smooth;

Filter.

8 sets of high speed temperature isothermal spray gun.

Ignition control box, with solo ignite and shut off safety device.

Each burner equipped with flame detect control and shut valve

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device. While the flame off the burner also will be shut off.

Auto gas-air ratio system, and combustion air

auto-compensation system, ensure the gas fully firing.

Firing system equipped with pressure switch in case avoid the

kiln for over high or low fuel pressure.

Kiln door system

1double door, back to back open.

2

Kiln door open or close by automatic control.

Cooling system

1The cooling blow hole nearby the firing channel.

2Include 8 sets cooling blow hole, by use the combustion pipes.

3Cooling air auto-adjustment according the firing cycle. Air volume

controlled by the inverter.

Air supply system and fan

1One set of combustion fan.

2One set of exhausting fan.

All the fans equip with inverter; all the pipes produced in advance;

combustion pipe and exhausting pipe made of #304 stainless steel.

Railway and kiln car in&out system

Include whole set of auto loading and unloading system, and inside &

outside railway.

Heat exchange system

Nearby the exhausting hole install the heat-resist stainless steel

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exchanger, heating with combustion air, reduce the exhausting heat and

improve the utilization ratio of energy. The exchanger designed by our

company has a large exchange area, high exchange effect, high heat

utilization ratio.

Drawing offered by COTO

1Kiln and around auxiliary euipment layout.

2Foundation and its loading layout.

3Electricity drawing.

4

Spare parts Drawing.

5Kiln and kiln car framework drawing.

Equipment Quotation

No. Name & Spec. QTYUnit price

(USD)

Total

(USD)Remark

1 Shuttle kiln 1 set 104,500.00 109,500.00

2 FOB charge Full set 3,000.00

3Installation

chargeFull set 10,000.00

Totally amount 122,500.00

SAY US DOLLARS ONE HUNDRED AND TWENTY TWO THOUSAND AND FIVE

HUNDRED ONLY.

The responsibility of customer

1Relative Document

- After sign the contract, the customer need to offer following document to

COTO company within 2 weeks.

- Plant layout drawing and section drawing, include the space, pole

position and framework detail.

- The fully parameter of fuel.

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- Firing temperature curve.

- The product on kiln car, and the load quantity of kiln accessor,(quantity

and weigh).

2Equipment

- The safety device with its designation, manufacture and installation

around the kiln.

- Foundation of kiln.

3Others

- Get the promotion from local government for install the machine.

- Design or modify foundation, framework or roof work.

- For special demand at install site, like knock wall, ceiling, roof and

brush work, the buyer need cooperate for that.

- The crane, fork, and tools.

- Offering the fuel, telephone, fax, crew, hardward, hydraulic oil and ECT.

- The water and electric for install site.

- The equipment for keeping stable voltage.

- The mainline send the the main.

- Offer the proper fuel includes the pressure till the kiln.

- During test time offer the crane, kiln accessory, fuel and labor.

- Clear away the install site packing material.

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