CN2847049Y - Boiler mounted with thinning burner - Google Patents

Abstract

The utility model relates to a boiler provided with a thinning burner. The utility model discloses a coal-fired boiler, specifically a coal-fired boiler provided with a thinning burner, which is composed of a coal-fired boiler 1, a thinning burner 2, a main air inlet pipe 3 and a plurality of branch pipes 4, wherein one end of the main air inlet pipe 3 is communicated with an outlet of the thinning burner 2 and the other end of the main air inlet pipe 3 is closed. One end of each of the branch pipes 4 is fixed on the side surface of the main air inlet pipe 3 and communicated with an inner cavity of the main air inlet pipe 3, and the other end of each of the branch pipes 4 is closed. All the branch pipes 4 are arranged at one side of the main air inlet pipe 3 in parallel, the side surfaces of the branch pipes 4 are uniformly provided with a plurality of exhaust vents 4-1, the branch pipes 4 are arranged under a coal-fired bracket 1-1 in the coal-fired boiler 1, and the thinning burner 2 is arranged outside the coal-fired boiler 1. The utility model overcomes the disadvantage of the lower combustion efficiency of a traditional boiler and increases the combustion efficiency of coal burning in the boiler. The coal saving rate of the utility model is increased by 15 % as compared with a common boiler, discharged particulate matter is reduced by 30 %, and black smoke is effectively reduced.

Description

The boiler of lean burn device is installed

Technical field:

The utility model relates to a kind of coal-burning boiler, is specifically related to a kind of coal-burning boiler that is provided with the lean burn device.

Background technology:

The patent No. is that ZL992074924 " internal combustion engine lean burn device " discloses that a kind of to be applied in gasoline, diesel oil, combustion gas be device on the internal combustion engine of fuel, this device can produce combustion-supporting effect to internal combustion engine, energy-conservation very good with effect environmental protection, be subjected to users' generally approval in the practical application.In China, coal is the main energy sources of generating, production and heat supply, but present widely used coal-burning boiler efficiency of combustion is generally lower.Allow the coal in the boiler fully burn, reduce harmful exhaust discharge capacity the practice to save the energy, the protection environment has earth shaking meaning.The lean burn device is applied on the coal-burning boiler, can plays the effect that improves coal-fired efficiency of combustion equally, thereby reach energy-conservation and environmental protection.

The utility model content:

The purpose of this utility model provides a kind of boiler that the lean burn device is installed, and to overcome the low defective of conventional boiler efficiency of combustion, improves efficiency of combustion coal-fired in the boiler.The utility model comprises coal-burning boiler 1, it also comprises lean burn device 2, inlet manifold 3 and some manifolds 4; lean burn device 2 is arranged on the outside of coal-burning boiler 1; end of inlet manifold 3 is communicated with the outlet of lean burn device 2; inlet manifold 3 other end sealing; an end of manifold 4 is fixed on inlet manifold 3 the side surface and with inlet manifold 3 inner chamber and is communicated with; all manifold 4 sides that are arranged in inlet manifold 3 parallel to each other; evenly have several steam vents 4-1 on the side surface of manifold 4, manifold 4 is arranged on the below of coal-fired carriage 1-1 in the coal-burning boiler 1.Operation principle of the present utility model is as follows: have after the air of certain pressure or water vapour spray into lean burn device 2 from the inlet of lean burn device 2, the air communication of carrying the catalyst of storing in the lean burn device 2 of ejection is crossed inlet manifold 3 and is dispensed to every manifold 4, be injected to the below of the coal-fired carriage 1-1 of boiler bottom again from steam vent 4-1, spray to the fire coal that is burning in the burner hearth equably, coal-fired by the gas catalytic combustion of ejection in the lean burn device 2, efficiency of combustion significantly improves.In addition, if feeding is water vapour, the globule microexplosion effect in the steam makes the refinement of burning particle, impels burning fully, and the existence of the globule also produces water gas reaction, has increased the fuel value of fuel.Boiler of the present utility model improves 15% than plain cylindrical furnace coal saving rate, and the particle of discharging reduces by 30%, has reduced black smoke effectively.The utility model is easy for installation, and is safe in utilization, reliable, and popularization of the present utility model can bring huge economic benefit and social benefit, can significantly reduce the harmful substance and the black smoke of boiler emission simultaneously.

Description of drawings:

Fig. 1 is the structural representation of the utility model embodiment one, and Fig. 2 is the vertical view of lean burn device 2 in the embodiment one, inlet manifold 3 and manifold 4 syndetons, and Fig. 3 is the structural representation of embodiment two, and Fig. 4 is the A-A profile of Fig. 3.

The specific embodiment:

The specific embodiment one: specify present embodiment below in conjunction with Fig. 1.Present embodiment is made up of coal-burning boiler 1, lean burn device 2, inlet manifold 3 and some manifolds 4, an end of inlet manifold 3 is communicated with the outlet of lean burn device 2, inlet manifold 3 other end sealing, one end of manifold 4 is fixed on inlet manifold 3 the side surface and with inlet manifold 3 inner chamber and is communicated with, the other end sealing of manifold 4, all manifold 4 sides that are arranged in inlet manifold 3 parallel to each other, evenly have several steam vents 4-1 on the side surface of manifold 4, manifold 4 is arranged on the below of coal-fired carriage 1-1 in the coal-burning boiler 1.Lean burn device 2 is arranged on the outside of coal-burning boiler 1.Coal-fired carriage 1-1 selects for use by the some fire grates that grid section 1-2-1 forms that be arranged in parallel in horizontal plane in the present embodiment.Lean burn device 2 is products of the Kang Kang series of the positive electromechanical equipment of Harbin health Manufacturing Co., Ltd production.

The specific embodiment two: specify present embodiment below in conjunction with Fig. 3 and Fig. 4.The difference of present embodiment and embodiment one is: described coal-fired carriage 1-1 is by a cylinder 1-1-1, No. two cylinder 1-1-2, two transmission chain 1-1-3, two baffle plate 1-1-4 and some cross bar 1-1-5 form, transmission chain 1-1-3 is enclosed within on cylinder 1-1-1 be arrangeding in parallel and No. two cylinder 1-1-2 outer round surface, some cross bar 1-1-5 are evenly distributed along the length direction of transmission chain 1-1-3, the two ends of cross bar 1-1-5 are separately fixed on two transmission chain 1-1-3, two baffle plate 1-1-4 are separately positioned on the two end faces of cross bar 1-1-5, and manifold 4 penetrates baffle plate 1-1-4 and is arranged between two baffle plate 1-1-4.The coal-burning boiler 1 of present embodiment is a chain furnace, fire coal spreads on the upper surface of cross bar 1-1-5, slow rotation along with a cylinder 1-1-1 and No. two cylinder 1-1-2, the fire coal of transmission chain 1-1-3 new interpolation is carried to the other end from an end of coal-fired carriage, fired coal combustion falls in the delivery process, and coal ash falls into furnace bottom.Two baffle plate 1-1-4 concentrate upward coal fire discharged to the air-flow that flows out from manifold 4, further improve the utilization rate of catalyst in the efficient of burning and the lean burn device 2.

Claims (3)

1, the boiler of lean burn device is installed, it comprises coal-burning boiler (1), it is characterized in that it also comprises lean burn device (2), inlet manifold (3) and some manifolds (4); lean burn device (2) is arranged on the outside of coal-burning boiler (1); inlet manifold's (3) a end is communicated with the outlet of lean burn device (2); inlet manifold's (3) other end sealing; an end of manifold (4) is fixed on the side surface of inlet manifold (3) and with inlet manifold's (3) inner chamber and is communicated with; all manifolds (4) side that is arranged in inlet manifold (3) parallel to each other; evenly have several steam vents (4-1) on the side surface of manifold (4), manifold (4) is arranged on the below of coal-fired carriage (1-1) in the coal-burning boiler (1).

2, the boiler that the lean burn device is installed according to claim 1 is characterized in that coal-fired carriage (1-1) selects the fire grate of being made up of the some grid sections (1-2-1) that be arranged in parallel for use in horizontal plane.

3, the boiler that the lean burn device is installed according to claim 1, it is characterized in that described coal-fired carriage (1-1) is by a cylinder (1-1-1), No. two cylinders (1-1-2), two transmission chains (1-1-3), two baffle plates (1-1-4) and some cross bars (1-1-5) are formed, transmission chain (1-1-3) is enclosed within on the cylinder (1-1-1) and No. two cylinders (1-1-2) 0 outer round surface that be arranged in parallel, some cross bars (1-1-5) are evenly distributed along the length direction of transmission chain (1-1-3), the two ends of cross bar (1-1-5) are separately fixed on two transmission chains (1-1-3), two baffle plates (1-1-4) are separately positioned on the two end faces of cross bar (1-1-5), and manifold (4) penetrates baffle plate (1-1-4) and is arranged between two baffle plates (1-1-4).

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