CN214949811U

CN214949811U - Hot-blast stove

Info

Publication number: CN214949811U
Application number: CN202121651103.6U
Authority: CN
Inventors: 车宏伟
Original assignee: Shenyang Shending Cooling And Heating Equipment Technology Co ltd
Current assignee: Shenyang Shending Cooling And Heating Equipment Technology Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-11-30
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a hot blast stove, including the hot-blast furnace main part, hot-blast furnace main part inner chamber is provided with interior stove and No. two interior stoves, is connected with the connecting tube between interior stove and the No. two interior stoves, and No. two interior stove inner chambers are provided with the mechanism of turning back, and the mechanism of turning back is assembled and is used for making the flue gas turn back many times, is provided with the exhaust duct who extends to hot-blast furnace main part top on the No. two interior stoves, still is provided with the assistance wind pipeline of connecting in exhaust duct and hot-blast furnace main part inner chamber on the No. two interior stoves, all is provided with the fin that is linear array and distributes on interior stove outer wall No. one and No. two interior stoves. This hot-blast furnace makes the flue gas turn back through the mechanism of turning back, reduces the heat energy loss that the direct emission of flue gas caused, then carries the air current through the fan and heats the air current on the fin of interior stove and No. two interior stoves, in the air current drainage part to the exhaust pipe of fan output through assisting the wind pipeline simultaneously, can effectual increase exhaust pipe in the abandonment discharge effect.

Description

Hot-blast stove

Technical Field

The utility model relates to a hot-blast furnace technical field specifically is a hot-blast furnace.

Background

The hot blast stove is a thermal power machine, is divided into a hand-burning mode and a machine-burning mode by a coal feeding mode, is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types, and is mainly used for heating blast air to a required temperature.

According to the hot blast stove disclosed in patent No. CN212205063U, the structural design is reasonable, the heat exchange is sufficient, and the fuel is saved, but in the actual use process, the conversion efficiency is low when the hot blast stove is used for heating air, the heat generated by coal combustion cannot be fully utilized, and a large amount of heat energy is easily lost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hot blast stove for solve the problem that the conversion efficiency of the existing air heater is low when hot blast, the heat of coal combustion cannot be fully utilized, and a large amount of heat energy is easily lost.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hot-blast furnace, includes the hot-blast furnace main part, hot-blast furnace main part inner chamber is provided with interior stove and No. two interior stoves, interior stove with be connected with the connecting tube between the interior stove of No. two, No. two interior stove inner chambers are provided with the mechanism of turning back, the mechanism of turning back is assembled and is used for making the flue gas turn back many times, be provided with on No. two interior stoves and extend to the exhaust pipe at hot-blast furnace main part top, still be provided with on No. two interior stoves connect in exhaust pipe with the assistance wind pipeline of hot-blast furnace main part inner chamber, interior stove with all be provided with the fin that is linear array and distributes on No. two interior stove outer walls.

Preferably, the turning-back mechanism comprises an inclined plate, the inclined plate is obliquely arranged on the inner wall of the inner furnace cavity II and separates the inner furnace cavity II into an upper sub-cavity and a lower sub-cavity, and a connecting hole is reserved between the upper sub-cavity and the lower sub-cavity of the inner furnace II.

Preferably, the turn-back mechanism further comprises a first partition plate, the first partition plate is arranged in the second inner furnace upper cavity and divides the second inner furnace upper cavity into a left cavity and a right cavity, the second inner furnace left cavity input end is connected with the second inner furnace connecting hole, and an upper hole is reserved between the second inner furnace left cavity and the second inner furnace right cavity.

Preferably, the mechanism of turning back still includes the second baffle, the second baffle set up in No. two interior stove right sides intracavity, and will No. two interior stove right sides intracavity are cut apart into the business turn over chamber, No. two interior stove business turn over leave the lower hole between the chamber, No. two interior stove output in chamber connect in exhaust pipe's input.

Preferably, the top of the hot blast stove main body is provided with a fan, the output end of the fan extends to the inner cavity of the hot blast stove main body and is positioned right above the port of the inner cavity of the hot blast stove main body.

Preferably, a furnace door used for sealing the coal feeding port of the first inner furnace is arranged on the hot blast furnace main body.

In the technical scheme, the utility model provides a beneficial effect is:

1. this hot-blast furnace makes the flue gas turn back through the mechanism of turning back, increases heat energy efficiency, reduces the heat energy loss that the direct emission of flue gas caused, then in carrying the air current to the hot-blast furnace main part through the fan, can heat the air current through the fin on stove in a stove and No. two.

2. This hot-blast furnace, through assisting in air duct partially to exhaust duct with the air current drainage of fan output, can effectual increase exhaust duct in the abandonment discharge effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front sectional view of the present invention.

In the figure: 1. a hot blast main body; 2. an inner furnace I; 3. a second inner furnace; 4. a furnace door; 6. a fold-back mechanism; 7. an exhaust duct; 8. an auxiliary air duct; 9. a fin; 10. a fan; 11. connecting a pipeline; 16. a sloping plate; 17. a first separator; 18. a second separator; 19. a hot air pipeline.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a hot blast stove comprises a hot blast stove main body 1, an inner cavity of the hot blast stove main body 1 is provided with a first inner furnace 2 and a second inner furnace 3, a stove door 4 for sealing a coal feeding port of the first inner furnace 2 is arranged on the hot blast stove main body 1, a connecting pipeline 11 is connected between the first inner furnace 2 and the second inner furnace 3, an inner cavity of the second inner furnace 3 is provided with a turn-back mechanism 6, the turn-back mechanism 6 is assembled for enabling smoke to turn back for multiple times, the turn-back mechanism 6 comprises an inclined plate 16, a first baffle plate 17 and a second baffle plate 18, the inclined plate 16 is obliquely arranged on the inner wall of the inner cavity of the second inner furnace 3 and divides the inner cavity of the second inner furnace 3 into an upper sub cavity and a lower sub cavity, a connecting hole is reserved between the upper sub cavity and the lower sub cavity of the second inner furnace 3, the first baffle plate 17 is arranged in the upper cavity of the second inner furnace 3 and divides the upper cavity of the second inner furnace 3 into a left cavity and a right cavity, the left cavity input end of the second inner furnace 3 is connected with the connecting hole of the second inner furnace 3, an upper hole is reserved between the left cavity and the right cavity of the second inner furnace 3, a second partition plate 18 is arranged in the right cavity of the second inner furnace 3 and divides the right cavity of the second inner furnace 3 into an inlet cavity and an outlet cavity, a lower hole is reserved between the inlet cavity and the outlet cavity of the second inner furnace 3, the outlet end of the outlet cavity of the second inner furnace 3 is connected with the input end of an exhaust pipeline 7, an exhaust pipeline 7 extending to the top of the hot blast stove main body 1 is arranged on the second inner furnace 3, fins 9 distributed in a linear array are arranged on the outer walls of the first inner furnace 2 and the second inner furnace 3, a fan 10 is arranged on the top of the hot blast stove main body 1, the structural design can ensure that the smoke gas conveyed into the upper cavity of the second inner furnace 3 passes through the upper hole between the left cavity and the right cavity of the second inner furnace 3 and then returns to the lower hole between the inlet cavity and the outlet cavity of the second inner furnace 3, then the exhaust pipeline 7 connected with the outlet cavity of the second inner furnace 3 discharges the waste gas, and the smoke gas returns back and forth in the second inner furnace 3, can prevent the direct exhaust heat energy loss that causes of flue gas, the flue gas through the coal burning heats fin 9 on stove 2 in to one number and stove 3 in two numbers, can carry the air current heating in the hot-blast furnace main part 1 with fan 10 through fin 9.

Further combine shown in fig. 2, still be provided with on No. two interior stoves 3 and connect in the auxiliary air pipeline 8 of

exhaust duct

7 and 1 inner chamber of hot-blast furnace main part, fan 10 output extends to 1 inner chamber of hot-blast furnace main part, and is located and assists air pipeline 8 and be located directly over 1 inner chamber port of hot-blast furnace main part, and foretell structural design is convenient for through assisting in air pipeline 8 guides partial to exhaust duct 7 with the air current of fan 10 output, increases exhaust duct 7 and discharges the effect of waste gas.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A hot blast stove is characterized in that: including hot-blast furnace main part (1), hot-blast furnace main part (1) inner chamber is provided with interior stove (2) and No. two interior stoves (3), interior stove (2) and be connected with connecting tube (11) between No. two interior stoves (3), No. two interior stove (3) inner chambers are provided with mechanism (6) of turning back, mechanism (6) of turning back are assembled and are used for making the flue gas turn back many times, be provided with on No. two interior stoves (3) and extend to exhaust duct (7) at hot-blast furnace main part (1) top, still be provided with on No. two interior stoves (3) connect in exhaust duct (7) with the supplementary pipeline (8) of hot-blast furnace main part (1) inner chamber, interior stove (2) with all be provided with fin (9) that are linear array and distribute on No. two interior stoves (3) outer wall.

2. The hot blast stove according to claim 1, characterized in that: the turning mechanism (6) comprises an inclined plate (16), wherein the inclined plate (16) is obliquely arranged on the inner wall of the inner cavity of the second inner furnace (3) and separates the inner cavity of the second inner furnace (3) into an upper sub-cavity and a lower sub-cavity, and a connecting hole is reserved between the upper sub-cavity and the lower sub-cavity of the second inner furnace (3).

3. The stove according to claim 2, wherein: mechanism (6) of turning back still includes first baffle (17), first baffle (17) set up in furnace (3) goes up the intracavity in No. two, and will furnace (3) epicoele is cut apart into about the chamber in No. two, No. two interior furnace (3) left side chamber input connect in furnace (3) links the hole in No. two, No. two interior furnace (3) are left between the chamber and are gone up the hole.

4. The stove according to claim 3, wherein: mechanism (6) of turning back still includes second baffle (18), second baffle (18) set up in No. two interior stove (3) right side intracavity, and will No. two interior stove (3) right side intracavity are cut apart into the business turn over chamber, No. two interior stove (3) business turn over chamber between leave down the hole, No. two interior stove (3) output in chamber are connected in the input of exhaust pipe (7).

5. The hot blast stove according to claim 1, characterized in that: the hot blast stove is characterized in that a fan (10) is arranged at the top of the hot blast stove main body (1), the output end of the fan (10) extends to the inner cavity of the hot blast stove main body (1) and is located directly above the port of the inner cavity of the hot blast stove main body (1) through the auxiliary air pipeline (8).

6. The hot blast stove according to claim 1, characterized in that: and a furnace door (4) used for sealing the coal feeding port of the first inner furnace (2) is arranged on the hot blast furnace main body (1).