CN201844551U

CN201844551U - Hot blast stove

Info

Publication number: CN201844551U
Application number: CN2010202704459U
Authority: CN
Inventors: 李登尧
Original assignee: 李登尧
Current assignee: Sichuan Dengyao Machinery Equipment Co., Ltd.
Priority date: 2010-07-23
Filing date: 2010-07-23
Publication date: 2011-05-25
Anticipated expiration: 2020-07-23

Abstract

The utility model discloses a hot blast stove, which comprises a stove body at the upper part and a stove frame at the lower part, wherein the stove frame supports the stove body. The hot blast stove is characterized in that the upper part of the stove body is provided with a chimney, an inner smoke pipe and an outer smoke pipe from inside to outside, the stove body is also internally provided with a blast pipe and an inner pipe, the outside of the inner pipe is provided with an inner stove pipe, a central stove pipe is arranged outside the inner stove pipe, wherein the inner stove pipe is directly connected with the lower chimney at the upper part, the central stove pipe is directly connected with the inner smoke pipe, and baffle plates are arranged in the inner stove pipe and the central stove pipe. The hot blast stove also comprises a blast nozzle and a fan, and in the stove frame, a combustion chamber is correspondingly arranged under the stove body. The utility model overcomes the defects that the hot blast stove in the prior art is large in size, complex in structure and high in manufacturing cost and has good effect.

Description

A kind of hot-blast stove

Technical field:

The utility model relates to a kind of heat exchange field, is specifically related to a kind of hot-blast stove.

Background technology:

The structure of existing cartridge type hot-blast stove mainly is made up of structures such as combustion chamber, smoke pipe road, airduct road, air inlet, hot-blast outlet, exhaust openings, after being heated along smoke pipe road, hearth outer wall through the airduct road, reaches temperature required, is discharged by hot-blast outlet.Yet deficiencies such as this hot-blast stove ubiquity that volume is big, complex structure, manufacturing cost height, the easily stifled ash of inner flue, service life are low.

The utility model content:

Technical problem to be solved in the utility model is how a kind of energy-saving hot blast furnace is provided, and is used for solving the shortcoming that prior art exists.

The technical problem that the utility model proposed is to solve like this: construct a kind of hot-blast stove, comprise the body of heater on top and the stove frame of bottom, the stove frame adopts metal shell to constitute, the stove frame supports body of heater, it is characterized in that, in the top of body of heater from interior by outside be chimney, pipe and cigarette outer tube in the cigarette, chimney is divided into the lower stack of chimney on the top and bottom, be formed with passage between pipe and the lower stack between the Guan Yuyan outer tube and in the cigarette in the cigarette, also have airduct and interior pipe in the body of heater, there is interior boiler tube the outside of interior pipe, interior boiler tube has in the stove outward manages, wherein interior boiler tube directly is connected with the lower stack on top, pipe directly with in the above-mentioned cigarette is managed and is connected in the stove, in interior boiler tube and stove, be provided with dividing plate in the pipe, this hot-blast stove also comprises and is provided with out tuyere and blower fan, this goes out tuyere, and to be arranged on body of heater outside but be communicated with body of heater inside, described blower fan also is installed in outside the body of heater, by being set, comes fan switch its control, in described stove frame, be the combustion chamber under the corresponding body of heater, include grate in the combustion chamber, the circumferential distribution of grate is a casting material, correspond to vent on the grate, vent is to there being the vent lid, also be outside equipped with air blast, and be communicated with the combustion chamber formation, absorb the heat that is conducted the outside, combustion chamber simultaneously and form hot blast with air blast at the stove frame, blast the combustion chamber and reach the hot blast combustion-supporting effect, place, the below of grate is provided with air door,, and goes out tuyere and is provided with thermometer and attemperating unit the air door lid should be arranged at the air door place.

The beneficial effects of the utility model are: the utility model is simple in structure, volume is little, and production cost is low, long service life.The phenomenon that can effectively prevent the stifled ash of flue during use takes place.Blast roasting has adopted hot blast combustion-supporting, and the thermal efficiency is higher, more fuel saving.

Description of drawings:

Fig. 1 is a structural representation provided by the utility model

Fig. 2 is Figure 1A-A schematic diagram

Wherein, 1, go up chimney, 2, the cigarette outer tube, 3, manage in the cigarette, 4, lower stack, 5, body of heater, 6, blower fan, 7, grate, 8, air door, 9, air door lid, 10, airduct, 11, interior pipe, 12, interior boiler tube, 13, manage 14, dividing plate, 15, go out tuyere, 16, vent in the stove, 17, vent lid, 18, casting material, 19, the stove frame, 20, air blast, 21, thermometer, 22, attemperating unit, 23, fan switch, 24, passage.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is described further.

As shown in Figure 1, a kind of hot-blast stove is provided, this hot-blast stove 6 comprises the body of heater 5 on top and the stove frame 19 of bottom, stove frame 19 adopts metal shell to constitute, stove frame 19 supports body of heater 5, in the top of body of heater 5 from interior by outside be chimney, pipe 3 and cigarette outer tube 2 in the cigarette, chimney is divided into the lower stack 4 of chimney 1 on the top and bottom, in the cigarette between pipe 3 and the cigarette outer tube 2 and manage in the cigarette 3 and lower stack 4 between be formed with passage 24, also have airduct 10 and interior pipe 11 in the body of heater 5, there is interior boiler tube 12 outside of interior pipe 11, have outside the interior boiler tube 12 and manage 13 in the stove, wherein interior boiler tube 12 directly is connected with the lower stack 4 on top, pipe 13 directly is connected with pipe 3 in the above-mentioned cigarette in the stove, in interior boiler tube 12 and stove, be provided with dividing plate 14 in the pipe 13, this hot-blast stove also comprises and is provided with out tuyere 15 and blower fan 6, this goes out tuyere 15 and is arranged on body of heater 5 outsides but connection body of heater 5 inside, described blower fan 6 also is installed in outside the body of heater 5, by being set, comes fan switch 23 its control, corresponding body of heater is for 5 times the combustion chamber in described stove frame 19, include grate 7 in the combustion chamber, the circumferential distribution of grate 7 is a casting material 18, correspond to vent 16 on the

grate

7,16 pairs of vents should have vent lid 17, also be outside equipped with air blast 20, and be communicated with the combustion chamber formation, absorb the heat that is conducted the outside, combustion chamber simultaneously and form hot blast with air blast 20 at stove frame 19, blast the combustion chamber and reach the hot blast combustion-supporting effect, grate 7 belows places is provided with air door 8,, and goes out tuyere 15 and is provided with thermometer 21 and attemperating unit 22 air door lid 9 should be arranged at air door 8 places.The utility model is simple in structure, volume is little, and production cost is low, long service life.The phenomenon that can effectively prevent the stifled ash of flue during use takes place.Blast roasting has adopted hot blast combustion-supporting, and the thermal efficiency is higher, more fuel saving.

Claims

1. hot-blast stove, comprise the body of heater (5) on top and the stove frame (19) of bottom, stove frame (19) adopts metal shell to constitute, stove frame (19) supports body of heater (5), it is characterized in that, in the top of body of heater (5) from interior by outside be chimney, pipe (3) and cigarette outer tube (2) in the cigarette, chimney is divided into the lower stack (4) of chimney on the top (1) and bottom, manage between (3) and the lower stack (4) between pipe (3) and the cigarette outer tube (2) and in the cigarette in the cigarette and be formed with passage (24), also have airduct (10) and interior pipe (11) in the body of heater (5), there is interior boiler tube (12) outside of interior pipe (11), pipe (13) in the stove is arranged outside the interior boiler tube (12), wherein interior boiler tube (12) directly is connected with the lower stack (4) on top, pipe (13) directly is connected with pipe (3) in the above-mentioned cigarette in the stove, in interior boiler tube (12) and stove, be provided with dividing plate (14) in the pipe (13), this hot-blast stove also comprises and is provided with out tuyere (15) and blower fan (6), this goes out tuyere (15), and to be arranged on body of heater (5) outside but be communicated with body of heater (5) inside, described blower fan (6) also is installed in outside the body of heater (5), by being set, comes fan switch (23) its control, corresponding body of heater (5) is the combustion chamber down in described stove frame (19), include grate (7) in the combustion chamber, the circumferential distribution of grate (7) is casting material (18), correspond to vent (16) on the grate (7), vent (16) is to there being vent lid (17), also be outside equipped with air blast (20) at stove frame (19), and be communicated with the combustion chamber formation with air blast (20), the place, below of grate (7) is provided with air door (8), locate air door lid (9) should be arranged at air door (8), and go out tuyere (15) and be provided with thermometer (21) and attemperating unit (22).