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Gas integrated condensing boiler

The condensing boiler is to use the effective condenser and energy saver to absorb the sensible heat in the high-temperature flue gas exhausted by the boiler and the latent heat released by the condensation of water vapor to achieve the purpose of improving the thermal efficiency of the boiler. The body is a wet-back three-return, full-corrugated furnace tube, and a threaded flue pipe structure, which has good thermal scalability. The tube sheet and the cylinder adopt a flange connection structure. The main welding seam of the body is a butt structure, and all welding seams are completed by submerged arc automatic welding. Ample heating area, large furnace structure, slightly positive pressure combustion, low combustion heat load, and low emissions of harmful substances. The design of the boiler combustion chamber is reasonable, which can effectively adapt to various fuels such as city gas, natural gas, light diesel oil, and heavy oil. The boiler's smoke blackness, smoke dust blackness, concentration, noise and other technical indicators are better than national first-class regional standards. High thermal efficiency: The heating surface of the boiler's radiation is full-wave

product description

Gas integrated condensing boiler

The condensing boiler is to use an effective condenser and energy saver to absorb the sensible heat in the high-temperature flue gas exhausted by the boiler and the latent heat released by the condensation of water vapor to achieve the purpose of improving the boiler's thermal compliance.

The body is a wet-back three-return, full-corrugated furnace tube, and a threaded flue pipe structure, which has excellent thermal scalability.

The tube sheet and the cylinder adopt a flange connection structure. The important welding seams of the body are butt joint structures, and all the welding seams are completed by active submerged arc welding.

Ample heating area, large furnace structure, slightly positive pressure combustion, low combustion heat load, and low emissions of harmful substances.

The design of the boiler combustion chamber is reasonable, and it can effectively adapt to various fuels such as city gas, natural gas, light diesel oil, and heavy oil.

The boiler's smoke blackness, smoke dust blackness, concentration, noise and other technical indicators are better than national first-class regional standards.

High thermal compliance: The boiler's radiant heating surface is a full corrugated furnace tube. The convection heating surface uses a threaded flue tube. The heating surface is large. The boiler's thermal compliance is more than 105%, which is higher than the relevant national regulations.

High welding quality: The important longitudinal and circumferential welds of the boiler are heat treated after welding according to JB / T1613 to eliminate stress and weld quality. Active welding equipment, qualified rate of flaw detection.

The surface is beautiful and fresh: The boiler outsourcing uses colored steel plates, and the hinged smoke box is used at the front and rear. The appearance is high-temperature spray paint, fresh and beautiful.

Use of excellent accessories: Italy Riya Road, Black Italy, Finland Olin and other internationally renowned brand burners. The supporting key valves and meters are from domestic excellent products or international famous brands, such as Germany's Siemens, France's Schneider, Japan's Omron, etc., which are useful for boiler operation safety.

PLC full intelligent control system: The company has a self-contained PLC full active intelligent control system with independent design and development and effective intellectual property rights. It adopts a mechatronic control device and a programmable logic controller (PLC) joint control system.

Take the advanced programmable logic controller (PLC) as the "intermediate processor" of the control system. The control system operates through the touch screen, which greatly improves the degree of automatic control and operation of the boiler, and the operation is simpler and more intuitive.

Gas integrated condensing boiler

Gas integrated condensing boiler

Performance advantage

1. Wet structure, offset furnace, corrugated furnace bladder, greatly improve the heating surface and strength;

2. The boiler has a large heating area, fast heating and boosting, and easy operation;

3. Reasonable and compact structure, strong load adaptability, effective combustion, and heat compliance greater than 105%;

4. The condenser is made of excellent sulphur-resistant dew-point corrosion-resistant steel 09CrCuSb (ND steel) spiral finned tube with long service life;

5. The condenser is installed in the upper part of the boiler, and it has no floor space, and the condensate on the heat transfer surface can be drained naturally;

6, complete body safety accessories to ensure safe and economic operation;

7. Equipped with high-quality, high-performance burners, stable combustion;

8. High degree of initiative, saving labor;

9. The boiler is small in size, light in weight, covers a small area, and saves capital investment.


Technical Parameters

project WNS2 WNS3 WNS4 WNS5 WNS6 WNS8 WNS10 WNS12 WNS15 WNS20
-1.25-Q
Rated evaporation t / h 2 3 4 5 6 8 10 12 12 20
Fixed work stress MPa 1.25
Rated steam temperature 194
Feed water temperature 20 104
Hot obedience % ≥105
Full water capacity L 5800 6800 8800 8900 10000 14000 15600 16500 18000 22100
Steam outlet DN 65 80 100 125 150 200
Water supply DN 40 50 65 80
Blowdown DN 40 50 * 2
Natural gas m3 / h 142.5 213.6 285.6 356.5 427.8 574.4 713 855.6 1070 1426
Shape size Length (mm) 4550 5050 5300 5600 6300 6900 7600 7800 8000 9000
Width (mm) 2100 2150 2250 2350 2420 2650 2700 2950 3400 3500
Height (mm) 2350 2500 2850 3020 3300 3350 3450 3550 3600 3600
weight T 7.41 10.2 11.6 13.8 18.5 21.12 26.64 31.2 39.2 45.4

working principle

The working principle of condensing boilers: The exhaust temperature is one of the basic parameters of the boiler. Choosing a lower exhaust temperature can reduce the exhaust loss of the boiler and help improve the boiler's thermal compliance. If the exhaust temperature of the boiler drops to a sufficiently low level, the superheated water vapor in the flue gas will condense and release the latent heat of vaporization. The condensing boiler is to use the effective flue gas condensing waste heat recovery assembly to absorb the sensible heat in the exhaust gas at the tail of the boiler and the latent heat released by the condensation of water vapor to achieve the purpose of improving the boiler's thermal compliance.