2-5 T/H Natural Gas & Furnace Oil Steam Boiler for Textile Printing & Dyeing Mills

2022-05-13

Recently received a message from a Bangladeshi customer, The client need the duel fuel steam Boiler . Oil-fired gas boilers with evaporation capacity of 5 T/H & 2 T/H per hour are used in textile industry, below is the information requirement for this project, and give the price quotation below mention products.

1. Technical Specifications

1.1. Boiler Type: Horizontal Internal Combustion Full Wet Back Gas Steam Boiler

1.2. Quantity: 2

1.3. Rated evaporation: 2 t/h, 5t/h,

1.4. Applicable fuel: natural gas/diesel

(Low calorific value of natural gas is 8539kcal/Nm3 )

1.5. Natural gas supply pressure: 10~30 Kpa

1.6. Rated feed water temperature: 20 ℃

1.7. Thermal efficiency: > 92%

1.8. Rated working pressure: 1.25MPa

1.9. Combustion method: slight positive pressure combustion

1.10. Ventilation method: forced ventilation

1.11. Adjustment method: automatic adjustment method

1.12. External surface temperature of boiler body: < 45 ℃

1.13. Boiler exhaust gas temperature: < 70 ℃

1.14. Noise: < 75 dB (with a muffler cover at one meter)

Oil-fired gas boilers

Oil-fired gas boilers

2. Basic configuration (the following configuration should provide a list)

2.1. Boiler body:

1) The design, manufacture and acceptance of the boiler body must comply with the relevant national standards and the relevant regulations of the relevant administrative departments of Xianfeng County. Bidders shall provide relevant information on the origin and quality of boiler materials.

2) Including matching valves on the body, including safety valve, quick drain valve, drain shut-off valve, water inlet valve,

For the steam outlet valve, etc., and the feed water pump equipped with the main equipment, please list the specifications, models, manufacturers, etc. in detail.

3) Instrument valves: the specifications, models, manufacturers, etc. of instruments and valves should be indicated in the tender.

4) The bidder shall provide the boiler base and supporting anchor bolts when supplying.

2.2. Burner:

1) The burner selected in this tender should be the German Weishaupt, Finland Olin or the same brand burner as the boiler, and provide the original quality certificate issued with the box.

2) Burner accessories should include but not limited to gas switch valve, filter, regulator valve, ignition

Solenoid valve, combined solenoid valve, gas pressure switch, gas leak detection device, elbows and reducers connecting the above accessories, etc.

2.2.1 The burner performance requirements are:

1) The burner shall meet the requirements of the rated output of the boiler.

2) The flame generated by the combustion is suitable for the structure and shape of the furnace, and the flame shall not wash the heating surface.

3) Program ignition, automatic purge and flameout protection. Load regulation and shutdown processes are automated to ensure safe operation. The noise of the burner meets the relevant environmental protection requirements of the state and Xianfeng County.

2.3. Control panel

1) Control panel: each unit should be equipped with an independent control box, and the control position and height are easy to operate.

The box door should be equipped with necessary control buttons, switches and signal display devices, which must be products matched by the original factory.

2) Other configurations necessary to ensure the normal operation of the boiler burner and to meet the above specifications.

3) Standard accessories and special tools and spare parts.

3. Functional requirements of boiler control system:

(1) Boiler control realizes automatic monitoring of working conditions, ambient temperature, faults and running time, displays running conditions, and sets various alarms and protections.

(2) The automatic control system is to have the following functions:

1) According to the requirements, complete the setting of various operating conditions:

a. Boiler automatic water replenishment setting.

b. Running time and cycle setting.

c. Steam pressure setting.

d. Maximum safety protection pressure setting.

e. 24-hour timing operation setting.

f. Other operating conditions settings.

2) The system automatically displays the following operating parameters:

a. Exhaust temperature display.

b. Steam pressure display.

c. Steam temperature display.

d. Reclaimed water display.

e. Display of accumulated working time.

f. Fault location display.

3) The system sets the following protections and alarms:

a. Overcurrent, short circuit, leakage, phase loss protection.

b. Water shortage protection and alarm.

c. High pressure protection and alarm.

d. Chain operation protection and start-stop control.

2-5 T/H, Natural Gas, Furnace Oil ,Steam Boiler ,Textile Printing, Dyeing Mills

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