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HENAN HENGAN BOILER GROUP CO., LTD.
— Product —

Low nitrogen condensation integrated fuel gas steam boiler

  • 2吨—20吨 Specifications: 2 tons—20 tons
  • ≥105% Thermal efficiency: ≥105%
  • 天然气、液化气、城市煤气、柴油、重油 Applicable fuel: natural gas, liquefied gas, city gas, diesel, heavy oil
  • 医药、化工、轻工、纺织、建材、养殖、食品饮料、塑料泡沫、印刷洗涤、橡胶 Scope of application: medicine, chemical industry, light industry, textile, building materials, breeding, food and beverage, plastic foam, printing and washing, rubber

冷凝锅炉就是利用高效的泠凝器与节能器来吸收锅炉排除的高温烟气中的显热和水蒸汽凝结所释放的潜热,以达到提高锅炉热效率的目的。 Product introduction: Condensing boilers use high-efficiency chillers and energy savers to absorb the sensible heat in the high-temperature flue gas exhausted by the boiler and the latent heat released by 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. Tube sheet and tube

24-hour service hotline: 15896709659 (Manager Dong)

Product introduction Working principle Performance advantage Technical parameters

product description


Condensing boilers use high-efficiency chillers and energy savers 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 boiler combustion chamber has a reasonable design and is fully adapted 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 radiant heating surface of the boiler is a full corrugated furnace tube, and the convection heating surface uses a threaded flue pipe. The heating surface is large, and the boiler thermal efficiency is more than 105%, which is higher than relevant national regulations.

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

The appearance is beautiful and novel: The boiler outsourcing uses colored steel plates, and the hinged smoke box is used on the front and back. The surface is painted with high temperature, which is novel and beautiful.

Use of high-quality accessories: It adopts international famous brand burners such as Italy Riya Road, Italy Black, Italy Olympia. The supporting key valves and instruments adopt domestic high-quality products or internationally renowned brands, such as Germany's Siemens, France's Schneider, Japan's Omron, etc., which effectively ensure the safety of boiler operation.

PLC full intelligent control system: The company has a fully-automatic PLC intelligent control system independently designed and developed, and fully owns intellectual property rights. It adopts the combined control method of mechatronic control equipment and programmable logic controller (PLC).

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

working principle

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

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Performance advantage

1. Wet back 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, complete combustion, and thermal efficiency greater than 105%;

4. The condenser is made of high quality sulfuric acid 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 and reliable combustion;

8, high degree of automation, 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
Thermal efficiency % ≥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
Dimensions 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