CN220287742U - Energy-saving temperature-control hot blast stove - Google Patents

Abstract

The utility model relates to the technical field of hot-blast stoves, in particular to an energy-saving temperature-control hot-blast stove, which comprises a hot-blast stove outer shell, wherein a supporting seat is fixedly arranged at the bottom of the hot-blast stove outer shell, a gas burner is fixedly arranged in the middle of the bottom end of the hot-blast stove outer shell, a hot-blast stove inner shell is fixedly arranged in the hot-blast stove outer shell, an air inlet disc is fixedly arranged below the inside of the hot-blast stove inner shell, an air outlet disc is fixedly arranged above the inside of the hot-blast stove inner shell, and a plurality of heat exchange tubes are arranged between the air inlet disc and the air outlet disc. This energy-conserving accuse temperature formula hot-blast furnace through establishing the replacement heat pipe between inlet disc, the dish of giving vent to anger, and gas burner spun gas can directly contact with the flame when burning, improves heat exchange efficiency, and is provided with the heat exchange tube of inside and outside two rings crisscross distribution between inlet disc, the dish of giving vent to anger, through the heat exchange tube of inside and outside circle mutually support, can fully absorb the heat when flame burns, further improves heat exchange efficiency, reduces the energy consumption, and is more energy-concerving and environment-protective.

Description

Energy-saving temperature-control hot blast stove

Technical Field

The utility model relates to the technical field of hot blast stoves, in particular to an energy-saving temperature-control hot blast stove.

Background

Hot blast stoves, which are thermodynamic machines, have become an upgrade product of both electric and traditional steam powered heat sources in many industries. The hot blast stove has various kinds and full series, and is divided into hand burning and machine burning in a coal feeding mode, and is divided into coal, oil, gas stove and the like in a fuel type.

Patent number CN201721186902.4 discloses a gas hot-blast stove, wherein be provided with the chassis, the combustor, the combustion chamber, the barrier piece, the intermediate layer, the hot-blast tuyere, the exhaust port, the furnace body, the observation window, it is at the during operation, the combustor is with gas injection to the combustion chamber in, the combustion chamber heats the air in the intermediate layer, air in the intermediate layer is heated and is heated up and flow out from hot-blast mouth, it is through the barrier piece on the combustion chamber with heat dissipation to the intermediate layer in, realize the heating to the air, the heat passes through multiple transmission, the heat exchange efficiency is lower, the increase of energy consumption results in, in addition, it is to the intermediate layer after heating, part heat is given off to outside along the intermediate layer outer wall easily, part heat is given off to in the air directly, cause the waste of heat, also can further increase the energy consumption, for this we propose an energy-conserving accuse temperature hot-blast furnace in order to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an energy-saving temperature-control hot blast stove, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an energy-conserving accuse temperature formula hot-blast furnace, includes the hot-blast furnace shell, the bottom fixed mounting of hot-blast furnace shell has the supporting seat, the middle part fixed mounting of hot-blast furnace shell bottom has gas burner, the inside fixed mounting of hot-blast furnace shell has the hot-blast furnace inner shell, and the below fixed mounting of hot-blast furnace inner shell inside has an inlet disc, the top fixed mounting has an outlet disc, be provided with a plurality of heat exchange tubes between inlet disc, the top fixed mounting of hot-blast furnace shell inside has an upper preheating pipe, below fixed mounting has a lower preheating pipe, be provided with a plurality of preheating pipes between upper preheating pipe, the lower preheating pipe, the outside top fixed mounting of hot-blast furnace shell has an inlet ring, and one side fixed communication of inlet ring has the intake pipe, the outside fixed mounting of hot-blast furnace shell has centrifugal air-blower, the top of outlet disc is provided with the subassembly of giving vent to anger, the top of hot-blast furnace shell is through bolt fixed mounting has sealed top cap.

Preferably, the air inlet disc and the air outlet disc are of inner and outer ring structures, the inner and outer rings of the air inlet disc and the air outlet disc are fixedly communicated, two inner and outer rings of heat exchange tubes are arranged between the air inlet disc and the air outlet disc, and the two inner and outer rings of heat exchange tubes are distributed in a staggered mode.

Preferably, the combustion head of the gas burner extends to the inside of the hot blast stove inner shell, and the combustion head of the gas burner is positioned in the middle of the heat exchange tube of the inner ring, and the heat exchange tube is made of ceramic refractory materials.

Preferably, the lower preheating pipe and the air inlet disc are at the same height, the lower preheating pipe is fixedly communicated with the air inlet disc, the upper preheating pipe and the air inlet ring are at the same height, and the upper preheating pipe is fixedly communicated with the air inlet ring.

Preferably, the preheating pipes are uniformly distributed between the upper preheating pipe and the lower preheating pipe, and the preheating pipes are made of copper.

Preferably, heat conduction filler is filled between the hot air furnace outer shell and the hot air furnace inner shell, and heat preservation cotton is wrapped outside the hot air furnace outer shell.

Preferably, the air outlet assembly comprises a total air outlet pipe and a plurality of air outlet manifolds, the air outlet manifolds are fixedly communicated with the inner ring and the outer ring of the air outlet disc, the air outlet manifolds extend to the outside of the sealing top cover, and the total air outlet pipe is fixedly communicated with the air outlet manifolds.

The utility model provides an energy-saving temperature-control hot blast stove, which has the following beneficial effects:

1. this energy-conserving accuse temperature formula hot-blast furnace through establishing the replacement heat pipe between inlet disc, the dish of giving vent to anger, gas burner spun gas can directly contact with the flame when burning, improve heat exchange efficiency, and be provided with the heat exchange tube of inside and outside two rings crisscross distributions between inlet disc, the dish of giving vent to anger, heat exchange tube through the inner and outer lane is mutually supported, heat when can burn the flame carries out abundant absorption, further improve heat exchange efficiency, reduce the energy consumption, more energy-concerving and environment-protective, the heat exchange tube adopts ceramic refractory material to prepare in addition, guarantee the fire resistance of heat exchange tube, improve the life of heat exchange tube.

2. Before the gas enters the heat exchange tube for heat exchange, the gas firstly enters the preheating tube, the gas in the preheating tube is preheated by the waste heat dissipated by the outer wall of the inner shell of the hot blast stove, the energy consumption required by the subsequent heat exchange is reduced, the energy-saving effect is further achieved, the preheating tube is made of copper, the heat is conducted by the heat conducting filler, the waste heat dissipated by the inner shell of the hot blast stove can be fully absorbed, and the waste of the heat is greatly reduced.

Drawings

FIG. 1 is a schematic diagram of the overall assembled structure of the present utility model;

FIG. 2 is a schematic view of the cross section of the shell of the hot blast stove according to the utility model;

FIG. 3 is a schematic cross-sectional view of the inner shell of the hot blast stove according to the present utility model;

FIG. 4 is a schematic view of the installation position of the ceramic heat exchange tube of the present utility model;

FIG. 5 is a schematic view of the structure of the inlet tray and the outlet tray of the present utility model;

FIG. 6 is a schematic view of the installation position of the preheating pipe of the present utility model.

In the figure: 1. a hot blast stove outer casing; 2. a support base; 3. a gas burner; 4. sealing the top cover; 5. a centrifugal blower; 6. an air inlet pipe; 7. an air inlet disc; 8. an air outlet disc; 9. a heat exchange tube; 10. an air outlet assembly; 101. a main air outlet pipe; 102. an outlet manifold; 11. an inner shell of the hot blast stove; 12. a preheating pipe is arranged; 13. a lower preheating tube; 14. a preheating tube; 15. an air inlet ring; 16. and a heat conductive filler.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides an energy-conserving accuse temperature formula hot-blast furnace, including hot-blast furnace shell 1, the bottom fixed mounting of hot-blast furnace shell 1 has supporting seat 2, the middle part fixed mounting of hot-blast furnace shell 1 bottom has gas burner 3, gas burner 3 is present common prior art, its principle and working process are not repeated here, gas burner 3 can be with gas and air mixture back along the leading-in hot-blast furnace inner shell 11 inside of combustion head, through the control to gas burner 3 power, can realize the control to the air current heating temperature, hot-blast furnace inner shell 11 is fixed mounting in hot-blast furnace shell 1, and the below fixed mounting in hot-blast furnace inner shell 11 is equipped with inlet disc 7, top fixed mounting has outlet disc 8, be provided with a plurality of heat exchange tubes 9 between inlet disc 7, outlet disc 8, the gas that gas burner 3 spouted when burning, heat exchange tube 9 can directly with flame contact, the heat exchange efficiency is improved, the heat exchange pipes 9 of the inner and outer rings are distributed in a staggered manner, the heat during flame combustion can be fully absorbed, the heat exchange efficiency is improved, the energy consumption is reduced, an upper preheating pipe 12 is fixedly arranged above the inside of the hot blast stove shell 1, a lower preheating pipe 13 is fixedly arranged below the inside of the hot blast stove shell 1, a plurality of preheating pipes 14 are arranged between the upper preheating pipe 12 and the lower preheating pipe 13, before the gas enters the heat exchange pipes 9 for heat exchange, the gas firstly enters the preheating pipes 14, the gas in the preheating pipes 14 is preheated by the residual heat dissipated by the outer wall of the hot blast stove inner shell 11, the energy consumption required by the subsequent heat exchange is reduced, an air inlet ring 15 is fixedly arranged above the outside of the hot blast stove shell 1, one side of the air inlet ring 15 is fixedly communicated with an air inlet pipe 6, a centrifugal blower 5 is fixedly arranged outside the hot blast stove shell 1, the air outlet of the centrifugal blower 5 is fixedly communicated with the air inlet pipe 6, the centrifugal blower 5 can guide cold air into the preheating pipe 14 and the heat exchange pipe 9 along the air inlet pipe 6 to exchange heat the air flow, the top of the air outlet disc 8 is provided with the air outlet assembly 10, the air outlet manifold 102 conducts the air flow in the air outlet disc 8, so that the air flow can be converged in the total air outlet pipe 101 to realize the concentrated discharge of the heated air flow, the top of the hot air furnace shell 1 is fixedly provided with the sealing top cover 4 through bolts, the upper part outside the hot air furnace shell 1 is fixedly provided with the exhaust pipe, one end of the exhaust pipe is fixedly communicated with the hot air furnace inner shell 11, and the exhaust gas after the combustion of the gas burner 3 can be discharged along the exhaust pipe.

Referring to fig. 4 and 5, the air inlet disc 7 and the air outlet disc 8 are of inner and outer ring structures, the inner and outer rings of the air inlet disc 7 and the air outlet disc 8 are fixedly communicated, two inner and outer rings of heat exchange tubes 9 are arranged between the air inlet disc 7 and the air outlet disc 8, the two inner and outer rings of heat exchange tubes 9 are distributed in a staggered manner, and the heat exchange tubes 9 of the inner and outer rings are matched with each other, so that heat generated during flame combustion can be fully absorbed, heat exchange efficiency is improved, and energy consumption is reduced.

Referring to fig. 2 and 3, the combustion head of the gas burner 3 extends into the inner shell 11 of the hot blast stove, and the combustion head of the gas burner 3 is located in the middle of the heat exchange tube 9 of the inner ring, when the gas emitted by the gas burner 3 burns, the heat exchange tube 9 can be directly contacted with flame, so that the heat exchange efficiency is improved, the heat exchange tube 9 is made of ceramic refractory materials, the heat exchange tube 9 is made of refractory materials, the fire resistance of the heat exchange tube 9 is guaranteed, and the service life of the heat exchange tube 9 is prolonged.

Referring to fig. 2, 3 and 6, the lower preheating pipe 13 and the air inlet disk 7 are at the same height, the preheated air flow can be guided into the air inlet disk 7 through the conduction of the lower preheating pipe 13, then the air flow enters the heat exchange pipe 9 for heating, the lower preheating pipe 13 is fixedly communicated with the air inlet disk 7, the upper preheating pipe 12 and the air inlet ring 15 are at the same height, the upper preheating pipe 12 is fixedly communicated with the air inlet ring 15, the air flow in the air inlet ring 15 can enter the preheating pipe 14 through the conduction of the upper preheating pipe 12, the preheating pipe 14 is uniformly distributed between the upper preheating pipe 12 and the lower preheating pipe 13, the air firstly enters the preheating pipe 14 before entering the heat exchange pipe 9 for heat exchange, the air in the preheating pipe 14 is preheated through the waste heat dissipated by the outer wall of the inner shell 11 of the hot blast stove, and the energy consumption required by the subsequent heat exchange is reduced, the preheating pipe 14 is made of copper, the preheating pipe 14 is prepared by selecting a high heat conduction material, the heat absorption effect of the preheating pipe 14 is improved, heat is conducted by combining the heat conduction filler 16, the air flow in the preheating pipe 14 can fully absorb the heat dissipated outside the hot blast stove inner shell 11, the heat conduction filler 16 is filled between the hot blast stove outer shell 1 and the hot blast stove inner shell 11, the heat dissipated outside the hot blast stove inner shell 11 is conducted through the heat conduction filler 16, the preheating pipe 14 can fully absorb the heat dissipated outside the hot blast stove inner shell 11, the full preheating of the air flow inside the preheating pipe 14 is realized, the heat preservation cotton is wrapped outside the hot blast stove outer shell 1, the hot blast stove outer shell 1 is protected through the heat preservation cotton, the heat is prevented from dissipating heat to the outside of the hot blast stove outer shell 1, and the waste of the heat is reduced.

Referring to fig. 3 and 4, the air outlet assembly 10 includes a main air outlet pipe 101 and a plurality of air outlet manifolds 102, the air outlet manifolds 102 are fixedly communicated with the inner and outer circles of the air outlet disk 8, the air outlet manifolds 102 can converge the air flow of the inner and outer circles of the air outlet disk 8, the heated air flow can be discharged in a concentrated manner, the air outlet manifolds 102 extend to the outside of the seal top cover 4, the main air outlet pipe 101 is fixedly communicated with the air outlet manifolds 102, and the air flow in the air outlet disk 8 is conducted through the air outlet manifolds 102, so that the air flow can be converged in the main air outlet pipe 101, and the concentrated discharge of the heated air flow is realized.

In summary, when the energy-saving temperature-control hot blast stove is used, the gas burner 3 and the centrifugal blower 5 are started, the gas burner 3 mixes the gas and the air and then leads the gas into the hot blast stove inner shell 11 for combustion, the centrifugal blower 5 starts to suck the gas along the gas inlet, cold air is led into the upper preheating pipe 12 and the preheating pipe 14 along the gas inlet ring 15, and is converged into the gas inlet disk 7 along the lower preheating pipe 13, then enters the heat exchange pipe 9, finally is converged along the gas outlet disk 8 and is discharged along the gas outlet assembly 10, the flame of combustion is directly contacted with the heat exchange pipes 9 of the inner ring and the outer ring after the gas flow enters the heat exchange pipe 9, the gas is fully heated in the heat exchange pipe 9, the heat exchange efficiency is improved, the control of the heating temperature of the gas is realized through the control of the power of the gas burner 3, the gas firstly enters the preheating pipe 14, the heat dissipated by the outer wall of the hot blast stove 11 is conducted through the heat conducting filler 16, the gas in the preheating pipe 14 is preheated by the waste heat, and the energy consumption of the subsequent gas in the preheating pipe 14 is reduced to the required temperature.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an energy-conserving accuse temperature formula hot-blast furnace, includes hot-blast furnace shell (1), the bottom fixed mounting of hot-blast furnace shell (1) has supporting seat (2), the middle part fixed mounting of hot-blast furnace shell (1) bottom has gas burner (3), its characterized in that: the inside fixed mounting of stove outer housing (1) has stove inner shell (11), and the below fixed mounting of stove inner shell (11) inside has inlet disc (7), top fixed mounting to have outlet disc (8), be provided with a plurality of heat exchange tubes (9) between inlet disc (7), outlet disc (8), the top fixed mounting of stove outer housing (1) inside has last preheating tube (12), below fixed mounting has down preheating tube (13), be provided with a plurality of preheating tubes (14) between going up preheating tube (12), lower preheating tube (13), the top fixed mounting of stove outer housing (1) outside has inlet ring (15), and one side fixed intercommunication of inlet ring (15) has intake pipe (6), the outside fixed mounting of stove outer housing (1) has centrifugal air-blower (5), the top of outlet disc (8) is provided with out air component (10), the top of stove outer housing (1) has sealed top cap (4) through bolt fixed mounting.

2. An energy-saving and temperature-controlling hot blast stove according to claim 1, characterized in that: the air inlet disc (7) and the air outlet disc (8) are of an inner ring and outer ring structure, the inner ring and the outer ring of the air inlet disc (7) and the inner ring and the outer ring of the air outlet disc (8) are fixedly communicated, two inner and outer rings of heat exchange tubes (9) are arranged between the air inlet disc (7) and the air outlet disc (8), and the two inner and outer rings of heat exchange tubes (9) are distributed in a staggered mode.

3. An energy-saving and temperature-controlling hot blast stove according to claim 2, characterized in that: the combustion head of the gas burner (3) extends to the inside of the hot blast stove inner shell (11), and the combustion head of the gas burner (3) is positioned in the middle of the heat exchange tube (9) of the inner ring, and the heat exchange tube (9) is made of ceramic refractory materials.

4. An energy-saving and temperature-controlling hot blast stove according to claim 1, characterized in that: the lower preheating pipe (13) is at the same height as the air inlet disc (7), the lower preheating pipe (13) is fixedly communicated with the air inlet disc (7), the upper preheating pipe (12) is at the same height as the air inlet ring (15), and the upper preheating pipe (12) is fixedly communicated with the air inlet ring (15).

5. An energy-saving and temperature-controlling hot blast stove according to claim 1, characterized in that: the preheating pipes (14) are uniformly distributed between the upper preheating pipe (12) and the lower preheating pipe (13), and the preheating pipes (14) are made of copper.

6. An energy-saving and temperature-controlling hot blast stove according to claim 1, characterized in that: the heat-conducting filler (16) is filled between the hot-blast stove outer shell (1) and the hot-blast stove inner shell (11), and heat-insulating cotton is wrapped outside the hot-blast stove outer shell (1).

7. An energy-saving and temperature-controlling hot blast stove according to claim 2, characterized in that: the air outlet assembly (10) comprises a total air outlet pipe (101) and a plurality of air outlet manifolds (102), the air outlet manifolds (102) are fixedly communicated with the inner ring and the outer ring of the air outlet disc (8), the air outlet manifolds (102) extend to the outside of the sealing top cover (4), and the total air outlet pipe (101) is fixedly communicated with the air outlet manifolds (102).