CN217274828U - Fuel gas pure wind hot blast stove - Google Patents

Abstract

The utility model discloses a fuel gas purifying air hot blast stove, which comprises a stove body arranged on a stove body base, a smoke ring outer wall, a smoke ring inner wall and a stove liner, wherein the smoke ring outer wall, the smoke ring inner wall and the stove liner are arranged in the stove body; the inner cavity of the furnace body is sequentially provided with a smoke ring outer wall, a smoke ring inner wall and a furnace pipe from outside to inside, the left side of the furnace body is fixedly provided with a furnace body end cover, the right end of the furnace pipe is fixedly provided with a furnace pipe sealing plate, the right side of the smoke ring inner wall is fixedly provided with a smoke ring inner wall sealing plate, the right side of the smoke ring outer wall is fixedly provided with a smoke ring outer wall sealing plate, the furnace pipe of the hot blast stove and the heat exchange mechanism are of an integrated structure and adopt a sleeve type structure, air and smoke are in double return strokes, the heat exchange efficiency of the air and the smoke is improved by arranging a first heat exchange channel and a second heat exchange channel outside the smoke ring channel, and the spiral baffling sheets are arranged in the first heat exchange channel, the smoke ring channel and the second heat exchange channel, so that the air and the smoke can continuously change the rotary direction in the advancing process, and the heat exchange effect is greatly improved.

Description

Fuel gas pure wind hot blast stove

Technical Field

The utility model belongs to the technical field of the hot-blast furnace, especially, relate to a clean wind hot-blast stove of fuel gas.

Background

The gas hot blast stove is universal equipment widely applied to the fields of food, medicine, printing, packaging, mechanical manufacturing and the like, can be used for heating air and outputting hot air, can also be used for drying products such as ceramics, paper (electronics, chemical engineering) and the like, and has wide application. When the existing hot blast stove exchanges heat with gas, a one-time indirect contact mode is mostly adopted, the heat exchange effect of the heat exchange mode is poor, the heat exchange efficiency is low, and the existing use requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a clean wind hot-blast stove of fuel gas, the stove courage and the heat transfer mechanism structure as an organic whole of this hot-blast stove, and adopt telescopic structure, air and flue gas all are two return strokes, through setting up first heat transfer passageway and second heat transfer passageway in the outside of cigarette ring channel, the heat exchange efficiency of air and flue gas has been improved, and through at first heat transfer passageway, set up spiral baffling piece in cigarette ring channel and second heat transfer passageway, can make air and flue gas constantly alternate the whirl in advancing, the heat transfer effect has been improved greatly.

In order to achieve the above object, the utility model provides a following technical scheme:

a fuel gas clean wind hot blast stove comprises a stove body arranged on a stove body base, a smoke ring outer wall, a smoke ring inner wall and a stove liner, wherein the smoke ring outer wall, the smoke ring inner wall and the stove liner are arranged in the stove body; the furnace comprises a furnace body, and is characterized in that a smoke ring outer wall, a smoke ring inner wall and a furnace pipe are sequentially arranged in an inner cavity of the furnace body from outside to inside, a furnace body end cover is fixed on the left side of the furnace body, a furnace pipe sealing plate is fixed on the right end of the furnace pipe, a smoke ring inner wall sealing plate is fixed on the right side of the smoke ring inner wall, a smoke ring outer wall sealing plate is fixed on the right side of the smoke ring outer wall, a first heat exchange channel is formed between the furnace body and the smoke ring outer wall, a smoke ring channel is formed between the smoke ring outer wall and the smoke ring inner wall, a second heat exchange channel is formed between the smoke ring inner wall and the furnace pipe, a smoke outlet of the furnace pipe is communicated with the smoke ring channel through a smoke outlet pipe, the first heat exchange channel is communicated with the second heat exchange channel through an air inlet pipe, a fire inlet pipe is arranged at a fire inlet of the furnace pipe, a fire inlet of the fire pipe extends to the outside of the furnace body end cover, and a burner is arranged at the fire inlet of the fire pipe through a flange and a fire pipe, a first fan is installed at a fire outlet of the burner, a cold air inlet pipe is arranged on the front side of the left end of the furnace body, an air outlet of the cold air inlet pipe is communicated with a first heat exchange channel, a hot air outlet pipe is arranged on the rear side of the left end of the furnace body, an air inlet of the hot air outlet pipe is communicated with a second heat exchange channel, a second fan is arranged on the front side of the furnace body, an air outlet of the second fan is communicated with the cold air inlet pipe through an air conveying pipe, a smoke exhaust pipe is arranged on the upper side of the left end of the furnace body, an air inlet of the smoke exhaust pipe is communicated with a smoke ring channel, spiral baffling sheets are respectively arranged in the first heat exchange channel, the smoke ring channel and the second heat exchange channel, the first fan conveys fire generated by the burner into the furnace liner through the fire conveying pipe and the fire inlet pipe, smoke generated in the furnace liner enters the smoke ring channel through the smoke outlet pipe, and the second fan conveys outside air into the first heat exchange channel through the air conveying pipe and the cold air inlet pipe, carry out the heat transfer for the first time, cold wind after the heat transfer for the first time passes through air intake pipe and gets into second heat transfer passageway, carry out the heat transfer for the second time, the stove courage and the heat transfer mechanism structure as an organic whole of this hot-blast furnace, and adopt telescopic structure, air and flue gas all are two return strokes, through setting up first heat transfer passageway and second heat transfer passageway in the outside of cigarette ring channel, the heat exchange efficiency of air and flue gas has been improved, and through at first heat transfer passageway, set up spiral baffling piece in cigarette ring channel and the second heat transfer passageway, can make air and flue gas constantly alternate the gyroid in advancing, the heat transfer effect has been improved greatly.

Further, the inboard demountable installation of cold wind import pipe has the filter, through setting up the filter in cold wind import pipe, conveniently filters the cold wind that gets into first heat transfer passageway, has avoided impurity to cause the pollution in getting into first heat transfer passageway, has guaranteed the pureness to the cold wind heat transfer, simple structure.

Furthermore, a heat insulation board is arranged between the furnace pipe and the furnace body end cover, the heat insulation board is an aluminum silicate fiberboard, and the heat insulation board is arranged between the furnace pipe and the furnace body end cover, so that the heat insulation effect on fuel in the furnace pipe is improved, the energy loss is reduced, and the cost is saved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the furnace and the heat exchange mechanism of the hot blast stove are of an integrated structure, a sleeve type structure is adopted, air and smoke are in double return strokes, a first heat exchange channel and a second heat exchange channel are arranged on the outer side of a smoke ring channel, the heat exchange efficiency of the air and the smoke is improved, spiral baffling pieces are arranged in the first heat exchange channel, the smoke ring channel and the second heat exchange channel, the air and the smoke can be enabled to continuously change the direction of rotation in the process of advancing, and the heat exchange effect is greatly improved.

2. Through set up the filter in cold wind import pipe, the convenience is filtered the cold wind that gets into first heat transfer passageway, has avoided causing the pollution in the impurity gets into first heat transfer passageway, has guaranteed the pureness nature to the cold wind heat transfer, and simple structure through set up the heated board between stove courage and furnace body end cover, has improved the heat preservation effect to fuel in the stove courage, has reduced the loss of energy, has saved the cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the front side cross-sectional structure of the present invention.

In the figure: 1 furnace body, 2 smoke ring outer walls, 3 smoke ring inner walls, 4 furnace liners, 5 furnace body end covers, 6 fire inlet pipes, 7 flange plates, 8 burners, 9 first fans, 10 furnace liner sealing plates, 11 smoke ring inner wall sealing plates, 12 smoke ring outer wall sealing plates, 13 smoke outlet pipes, 14 air inlet pipes, 15 cold air inlet pipes, 16 hot air outlet pipes, 17 smoke exhaust pipes, 18 furnace body bases, 19 second fans, 20 air conveying pipes, 21 filter plates, 22 heat insulation plates and 23 spiral baffling sheets.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to the attached drawings 1-2, the fuel oil gas pure wind hot blast stove comprises a stove body 1 arranged on a stove body base 18, a smoke ring outer wall 2, a smoke ring inner wall 3 and a stove inner container 4 which are arranged in the stove body 1; the inner cavity of the furnace body 1 is sequentially provided with a smoke ring outer wall 2, a smoke ring inner wall 3 and a furnace pipe 4 from outside to inside, the left side of the furnace body 1 is fixed with a furnace body end cover 5, the right end of the furnace pipe 4 is fixed with a furnace pipe sealing plate 10, the right side of the smoke ring inner wall 3 is fixed with a smoke ring inner wall sealing plate 11, the right side of the smoke ring outer wall 2 is fixed with a smoke ring outer wall sealing plate 12, a first heat exchange channel is formed between the furnace body 1 and the smoke ring outer wall 2, a smoke ring channel is formed between the smoke ring outer wall 2 and the smoke ring inner wall 3, a second heat exchange channel is formed between the smoke ring inner wall 3 and the furnace pipe 4, a smoke outlet of the furnace pipe 4 is communicated with the smoke ring channel through a smoke outlet pipe 13, the first heat exchange channel is communicated with the second heat exchange channel through an air inlet pipe 14, a fire inlet pipe 6 is arranged at a fire inlet of the furnace pipe 4, a fire inlet of the fire pipe 6 extends to the outer side of the furnace body end cover 5, and a burner 8 is arranged at the fire inlet of the fire pipe 6 through a flange 7 and an output, a first fan 9 is arranged at a fire outlet of the burner 8, a cold air inlet pipe 15 is arranged at the front side of the left end of the furnace body 1, an air outlet of the cold air inlet pipe 15 is communicated with a first heat exchange channel, a hot air outlet pipe 16 is arranged at the rear side of the left end of the furnace body 1, an air inlet of the hot air outlet pipe 16 is communicated with a second heat exchange channel, a second fan 19 is arranged at the front side of the furnace body 1, an air outlet of the second fan 19 is communicated with the cold air inlet pipe 15 through an air conveying pipe 20, a smoke exhaust pipe 17 is arranged at the upper side of the left end of the furnace body 1, an air inlet of the smoke exhaust pipe 17 is communicated with a smoke ring channel, spiral baffling sheets 23 are respectively arranged in the first heat exchange channel, the smoke ring channel and the second heat exchange channel, the first fan 9 conveys fire generated by the burner 8 into the furnace liner 4 through the fire conveying pipe and the fire inlet pipe 6, smoke generated in the furnace liner 4 enters the smoke ring channel through the smoke outlet pipe 13, and the second fan 19 conveys external air into the first heat exchange channel through the air conveying pipe 20 and the cold air inlet pipe 15, carry out the heat transfer for the first time, cold wind after the heat transfer for the first time passes through air intake pipe 14 and gets into second heat transfer passageway, carry out the heat transfer for the second time, the stove courage 4 and the heat transfer mechanism structure as an organic whole of this hot-blast furnace, and adopt telescopic structure, air and flue gas all are two return strokes, through setting up first heat transfer passageway and second heat transfer passageway in the outside of cigarette ring passageway, the heat exchange efficiency of air and flue gas has been improved, and through at first heat transfer passageway, set up spiral baffling piece 23 in cigarette ring passageway and the second heat transfer passageway, can make air and flue gas constantly alternate the direction of rotation in advancing, the heat transfer effect has been improved greatly.

The inboard demountable installation of cold wind import pipe 15 has filter 21, through set up filter 21 in cold wind import pipe 15, conveniently filters the cold wind that gets into first heat transfer passageway, has avoided impurity to cause the pollution in getting into first heat transfer passageway, has guaranteed the pureness to the cold wind heat transfer, simple structure.

Be equipped with heated board 22 between stove courage 4 and the furnace body end cover 5, heated board 22 is the aluminium silicate fiberboard, through set up heated board 22 between stove courage 4 and furnace body end cover 5, has improved the heat preservation effect to fuel in the stove courage 4, has reduced the loss of energy, has saved the cost.

The working principle is as follows: the first fan 9 conveys the fire generated by the burner 8 into the furnace pipe 4 through the fire conveying pipe and the fire inlet pipe 6, the smoke generated in the furnace pipe 4 enters the smoke ring channel through the smoke outlet pipe 13, meanwhile, the second fan 19 conveys the outside air into the first heat exchange channel through the air conveying pipe 20 and the cold air inlet pipe 15 to carry out the first heat exchange, the cold air after the first heat exchange enters the second heat exchange channel through the air inlet pipe 14 to carry out the second heat exchange, the furnace pipe 4 and the heat exchange mechanism of the hot blast stove are integrated and adopt a sleeve type structure, the air and the smoke are in double return strokes, the first heat exchange channel and the second heat exchange channel are arranged on the outer side of the smoke ring channel to improve the heat exchange efficiency of the air and the smoke, and the spiral flow folding sheets 23 are arranged in the first heat exchange channel, the smoke ring channel and the second heat exchange channel to enable the air and the smoke to continuously change the direction in the advancing process, the heat exchange effect is greatly improved, the filter 21 is arranged in the cold air inlet pipe 15, cold air entering the first heat exchange channel is conveniently filtered, impurities are prevented from entering the first heat exchange channel to cause pollution, the purity of cold air heat exchange is guaranteed, the structure is simple, the heat insulation effect of fuel in the furnace pipe 4 is improved by arranging the heat insulation plate 22 between the furnace pipe 4 and the furnace body end cover 5, the loss of energy is reduced, and the cost is saved.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 invention 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, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (3)

1. The utility model provides a clean wind hot-blast stove of fuel gas, is including the smoke ring outer wall, smoke ring inner wall, the stove courage of installing furnace body and the furnace body on the furnace body base, its characterized in that: the furnace comprises a furnace body, and is characterized in that a smoke ring outer wall, a smoke ring inner wall and a furnace pipe are sequentially arranged in an inner cavity of the furnace body from outside to inside, a furnace body end cover is fixed on the left side of the furnace body, a furnace pipe sealing plate is fixed on the right end of the furnace pipe, a smoke ring inner wall sealing plate is fixed on the right side of the smoke ring inner wall, a smoke ring outer wall sealing plate is fixed on the right side of the smoke ring outer wall, a first heat exchange channel is formed between the furnace body and the smoke ring outer wall, a smoke ring channel is formed between the smoke ring outer wall and the smoke ring inner wall, a second heat exchange channel is formed between the smoke ring inner wall and the furnace pipe, a smoke outlet of the furnace pipe is communicated with the smoke ring channel through a smoke outlet pipe, the first heat exchange channel is communicated with the second heat exchange channel through an air inlet pipe, a fire inlet pipe is arranged at a fire inlet of the furnace pipe, a fire inlet of the fire pipe extends to the outside of the furnace body end cover, and a burner is arranged at the fire inlet of the fire pipe through a flange and a fire pipe, the utility model discloses a heat exchanger, including combustor, furnace body, hot-blast outlet pipe, second heat transfer passageway, first fan is installed to the fire outlet department of combustor, the left end front side of furnace body is equipped with cold wind import pipe, the air outlet and the first heat transfer passageway intercommunication of cold wind import pipe, the left end rear side of furnace body is equipped with hot-blast outlet pipe, the air intake and the second heat transfer passageway intercommunication of hot-blast outlet pipe, the front side of furnace body is equipped with the second fan, the air outlet of second fan passes through defeated tuber pipe and cold wind import pipe intercommunication, the left end upper side of furnace body is equipped with the pipe of discharging fume, the air intake and the cigarette ring channel intercommunication of the pipe of discharging fume, be equipped with spiral baffling piece in first heat transfer passageway, cigarette ring channel and the second heat transfer passageway respectively.

2. The fuel gas clean air hot blast stove according to claim 1, characterized in that: the inboard demountable installation of cold wind import pipe has the filter.

3. The fuel gas clean air hot blast stove according to claim 1, characterized in that: and a heat insulation plate is arranged between the furnace pipe and the end cover of the furnace body, and the heat insulation plate is an aluminum silicate fiberboard.

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