CN218915390U - Heating device for oil-fired boiler - Google Patents

Abstract

The utility model discloses a heating device for an oil-fired boiler, which comprises a boiler body and a burner, wherein a water storage cavity is arranged in the boiler body, a combustion chamber is arranged in the water storage cavity, the combustion chamber is of a cylindrical metal cylinder structure, the bottom of the combustion chamber is fixed at the inner bottom of the boiler body through a supporting column, the burner is arranged outside the boiler body, an oil nozzle on the burner stretches into the combustion chamber, a plurality of radiating pipes are respectively and symmetrically communicated with the top and the bottom of the combustion chamber, the top of each radiating pipe is communicated with an arc-shaped radiating plate with a hollow inside, a hot smoke circulation cavity is formed between the combustion chamber, the radiating pipes and the arc-shaped radiating plates, one side of each arc-shaped radiating plate is connected with an exhaust pipe, and the exhaust pipe stretches out of the boiler body. This heating device for oil-fired boiler is through setting up multiunit cooling tube from top to bottom to form hot flue gas circulation chamber with the heating panel, improve heat conduction efficiency, make heat energy utilization ratio higher, heating efficiency is better.

Description

Heating device for oil-fired boiler

Technical Field

The utility model belongs to the technical field of boiler accessories, and particularly relates to a heating device for an oil-fired boiler.

Background

The oil-fired boiler is a boiler using fuel oil, including oil such as diesel oil and waste oil, and in order to atomize fuel oil, two types of oil nozzles are commonly used for oil burners: mechanical centrifugal oil spray nozzle and steam atomizing Y-type oil spray nozzle.

Compared with a gas boiler and an electric heating boiler, the oil boiler is economical to operate and convenient to use compared with the electric heating boiler. With the development of economy and the progress of society, people have an increased awareness of environmental protection. Then, under the condition of no natural gas pipeline, the operation cost of the boiler is expected to be low, and the oil-fired boiler is a good choice.

Most of the existing hearths of the oil-fired boiler are horizontal hearths, the hearths are arranged at the bottom of a furnace barrel, the inside of the boiler is directly heated by a burner, so that hot steam or hot water is generated in the boiler, however, in the heating mode, the temperature rising speed of the boiler is low, the utilization rate of flue gas heat is low, the heat efficiency is low, and the running cost is indirectly increased. The heating device for the fuel oil boiler is designed at present, and the heat conduction efficiency is improved, so that the heat energy utilization rate is higher, and the heating efficiency is better.

Disclosure of Invention

The utility model provides a heating device for an oil-fired boiler, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heating device for oil fired boiler, includes boiler body, combustor, the inside of boiler body is equipped with the water storage chamber, the water storage intracavity is equipped with the combustion chamber, the combustion chamber is cylindrical metal tube structure, the combustion chamber bottom is fixed at this internal bottom of boiler through the support column, the combustor install in the boiler body is outside, just the nozzle on the combustor stretches into inside the combustion chamber, the top and the bottom of combustion chamber symmetry intercommunication respectively have many cooling tubes, the top intercommunication of cooling tube has inside hollow arc heating panel, constitute hot flue gas circulation chamber between combustion chamber and cooling tube, the arc heating panel, one side of arc heating panel is connected with the blast pipe, the blast pipe stretches out the boiler body outside.

Furthermore, a plurality of groups of through holes are formed in the arc-shaped radiating plate in a penetrating mode, and radiating pipes are staggered in the through holes and uniformly arranged on the radiating plate at intervals.

Further, a plurality of groups of radiating fins are uniformly arranged on the surface of the arc-shaped radiating plate at intervals.

Further, the exhaust pipe is connected with an external economizer.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the combustion chamber at boiler body middle part to the intercommunication has many cooling tubes on the combustion chamber, in order to form the hot flue gas runner of multicircuit, heat conduction efficiency is high, sets up the heating panel at the top of cooling tube, makes and constitutes hot flue gas circulation chamber between combustion chamber, cooling tube, the arc heating panel, has enlarged heat radiating area, and the heat utilization efficiency is higher, in addition, sets up radiating fin on the arc heating panel surface, can further improve the radiating effect, makes this heating device overall heating efficiency better.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the front view of the present utility model.

FIG. 2 isbase:Sub>A schematic view of the sectional A-A structure of FIG. 1.

Fig. 3 is a schematic top view of an arc-shaped heat dissipating plate according to a first embodiment of the present utility model.

Fig. 4 is a schematic top view of an arc-shaped heat dissipating plate according to a second embodiment of the present utility model.

In the figure: 1 boiler body, 2 water storage chamber, 3 fuel oil ware, 4 combustion chamber, 5 support column, 6 cooling tubes, 7 arc heating panel, 8 through-holes, 9 blast pipes, 10 fin that dispels the heat.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Embodiment one:

referring to fig. 1-3, a heating device for a fuel boiler comprises a boiler body 1 and a combustor 3, wherein a water storage cavity 2 is arranged in the boiler body 1, a combustion chamber 4 is arranged in the water storage cavity 2, the combustion chamber 4 is of a cylindrical metal cylinder structure, the bottom of the combustion chamber 4 is fixed at the inner bottom of the boiler body 1 through a supporting column 5, the combustor 3 is arranged outside the boiler body 1, an oil nozzle on the combustor 3 stretches into the combustion chamber 4, the top and the bottom of the combustion chamber 4 are respectively symmetrically communicated with a plurality of radiating pipes 6, the top of the radiating pipes 6 are communicated with an arc-shaped radiating plate 7 with a hollow inside, a hot flue gas circulation cavity is formed between the combustion chamber 4 and the radiating pipes 6 and the arc-shaped radiating plate 7, one side of the arc-shaped radiating plate 7 is connected with an exhaust pipe 9, the exhaust pipe 9 stretches out of the boiler body 1, the combustion chamber 4 is arranged in the middle of the boiler body 1, and a plurality of radiating pipes 6 are communicated with the combustion chamber 4 to form a multi-loop hot flue gas flow channel, the heat conduction efficiency is high, and the heat dissipation area is formed between the radiating pipes 6 and the radiating pipes 6.

Further, the arc-shaped heat dissipation plate 7 is provided with a plurality of groups of through holes 8 in a penetrating mode, the through holes 8 are staggered, the intervals of the heat dissipation pipes 6 are uniformly arranged on the heat dissipation plate 7, and water can be prevented from accumulating on the arc-shaped heat dissipation plate 7 through the arrangement of the through holes 8.

Further, the exhaust pipe 9 is connected to an external economizer to further improve the heat utilization rate of the exhausted gas.

Embodiment two:

referring to fig. 4, further, a plurality of groups of heat dissipation fins 10 are uniformly arranged on the surface of the arc-shaped heat dissipation plate 7 at intervals, and the other embodiments are the same as those of the first embodiment, and the heat dissipation fins 10 are arranged, so that the heat dissipation area is further increased on the basis of the arc-shaped heat dissipation plate 7, and the heat dissipation effect can be further improved.

Working principle: the high temperature direct heating water storage chamber 2 that the combustion chamber 4 produced, the flue gas is discharged to cooling tube 6 after producing from the combustion chamber 4, then dispel the heat through arc heating panel 7, finally, the energy-saving appliance of outside is got into through blast pipe 9, through constitute hot flue gas circulation chamber with between combustion chamber 4, cooling tube 6, the arc heating panel 7, the waste heat of flue gas has increased heat radiating area through many cooling tubes 6 and arc heating panel 7, the heat utilization efficiency is higher, in addition, set up fin 10 on the arc heating panel 7 surface, can further improve the radiating effect, make this heating device overall heating efficiency higher.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. The utility model provides a heating device for oil fired boiler, includes boiler body (1), combustor (3), the inside of boiler body (1) is equipped with water storage chamber (2), be equipped with combustion chamber (4) in water storage chamber (2), combustion chamber (4) are cylindrical metal tube structure, combustion chamber (4) bottom is fixed in boiler body (1) bottom through support column (5), combustor (3) install in boiler body (1) are outside, just fuel sprayer on combustor (3) stretches into combustion chamber (4) inside, its characterized in that: the top and the bottom of combustion chamber (4) symmetry intercommunication respectively have many cooling tubes (6), the top intercommunication of cooling tube (6) has inside hollow arc heating panel (7), constitute hot flue gas circulation chamber between combustion chamber (4) and cooling tube (6), arc heating panel (7), one side of arc heating panel (7) is connected with blast pipe (9), blast pipe (9) stretch out boiler body (1) outside.

2. A heating apparatus for an oil boiler according to claim 1, wherein: the arc-shaped radiating plate (7) is provided with a plurality of groups of through holes (8) in a penetrating mode, and the through holes (8) are uniformly arranged on the radiating plate (7) at intervals by staggering the radiating pipes (6).

3. A heating apparatus for an oil-fired boiler according to claim 1 or 2, characterized in that: and a plurality of groups of radiating fins (10) are uniformly arranged on the surface of the arc-shaped radiating plate (7) at intervals.

4. A heating apparatus for an oil boiler according to claim 1, wherein: the exhaust pipe (9) is connected with an external energy saver.

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