CN202101395U

CN202101395U - Directly-heated multilayer circuitous hot blast furnace

Info

Publication number: CN202101395U
Application number: CN201120181455XU
Authority: CN
Inventors: 任宏生
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-01
Filing date: 2011-06-01
Publication date: 2012-01-04
Anticipated expiration: 2021-06-01

Abstract

A directly-heated multilayer circuitous hot blast furnace relates to the technology of heat exchange. An in-furnace upper cover plate (12) is welded at the upper ends of an interlayer A (9), a furnace inner chamber (8), an interlayer B (10) and an interlayer C (11); an in-furnace lower base plate (13) is welded at the lower ends of an interlayer B (10), an interlayer C (11) and a discharge flue (2); a hole is formed on the in-furnace upper cover plate (12) between the upper end of the furnace inner chamber (8) and the upper end of the interlayer B (10), and another hole is formed on the in-furnace lower base plate (13) between the interlayer C (11) and the discharge flue (2); and an interlayer circular pipe (14) is welded at the upper part between the furnace inner chamber (8) and interlayer B (10). The utility model has the advantages that the structure is simple and compact; the manufacture, the assembly and the overhaul are convenient; and high heat exchange efficiency, low energy consumption and energy conservation are achieved since the heat exchange air passes through the hot blast furnace in a multi-detour and a labyrinth manner.

Description

The directly-heated type multilayer hot-blast stove that makes a circulation

Technical field

The utility model relates to hot swapping, especially a kind of directly-heated type multilayer hot-blast stove that makes a circulation.

Background technology

Existing heat exchange hot-blast stove, adopting in the stove has many pipeline frame for movements, interior, the upper end smoke uptake of the logical stove of lower end of duct; Utilize the hot gas of burning to get into smokejack through pipeline; And around pipeline, cold air is arranged, and carry out heat exchange, it is low that this structure exists heat exchanger effectiveness; Energy consumption is high, weak points such as operating cost height.

Summary of the invention

The purpose of the utility model provides a kind of simple in structure, adopts sandwich construction, make cold air come in to make a circulation the circuitous hot-blast stove of directly-heated type multilayer that labyrinth type carries out heat exchange.

The technical scheme that purpose adopts of the utility model comprises that body of heater middle and lower part sidewall has fire door and cleanout door and leeward road junction, middle and upper part sidewall to have windward road junction and inspection opening, top that smoke outlet flue is arranged; Interlayer A, cup-shaped furnace internal-lining, interlayer B, interlayer C are arranged in the body of heater stove successively; The upper end of its interlayer A, furnace internal-lining, interlayer B, interlayer C is welded with upper cover plate in the stove; The lower end of interlayer B, interlayer C, smoke outlet flue is welded with lower shoe in the stove; Upper cover plate is porose in the stove between furnace internal-lining upper end and the interlayer B upper end, and lower shoe is porose in the stove between interlayer C lower end and the smoke outlet flue lower end; Top between furnace internal-lining and interlayer B is welded with the interlayer pipe.

The utility model course of work: in the body of heater stove, produce flue gas; Flue gas gets into interlayer A and furnace internal-lining forms flue; Hole through furnace internal-lining gets into the interlayer pipe, gets into interlayer B and interlayer C again and forms flue, and stove inner spout in hole gets into smoke outlet flue and discharges on inspection at last; Cold air gets into body of heater and interlayer A and forms heat exchanger channels through the leeward road junction; Through the hole of upper cover plate in the stove, get into furnace internal-lining and interlayer B and form heat exchanger channels, again through the plate hole of going to the bottom in the stove; Get into interlayer C and smoke outlet flue and form heat exchanger channels, after the upper air duct outflow.

Characteristics such as the utility model is simple and compact for structure, and it is convenient to make the assembling maintenance, and the heat exchange air warp is repeatedly circuitous, the labyrinth trend, and its rate of heat exchange is high, and energy consumption is low, and is energy-conservation.

Description of drawings

Further specify the utility model below in conjunction with accompanying drawing.

Fig. 1 is the utility model structural representation;

Fig. 2 is the right TV structure sketch map of Fig. 1.

Among the figure: lower shoe in the upper cover plate 13-stove in the 8-furnace internal-lining 9-interlayer A 10-interlayer B 11-interlayer C 12-stove of 4-inspection opening 5-fire door 6-cleanout door 7-leeward road junction, 1-body of heater 2-smoke outlet flue 3-windward road junction.

The specific embodiment

Like Fig. 1, shown in Figure 2, comprise that body of heater 1 middle and lower part sidewall has fire door 5 and cleanout door 6 and leeward road junction 7, middle and upper part sidewall to have windward road junction 3 and inspection opening 4, top that smoke outlet flue 2 is arranged; Interlayer A9, cup-shaped furnace internal-lining 8, interlayer B10, interlayer C11 are arranged in body of heater 1 stove successively; The upper end of its interlayer A9, furnace internal-lining 8, interlayer B10, interlayer C11 is welded with upper cover plate 12 in the stove; The lower end of interlayer B10, interlayer C11, smoke outlet flue 2 is welded with lower shoe 13 in the stove; Upper cover plate 12 is porose in the stove between furnace internal-lining 8 upper ends and the interlayer B10 upper end, and lower shoe 13 is porose in the stove between interlayer C11 lower end and smoke outlet flue 2 lower ends; Top between furnace internal-lining 8 and interlayer B10 is welded with interlayer pipe 14.

According to the user need, cold air can be advanced by the leeward road junction, the windward road junction goes out; Also but the leeward road junction goes out, and the windward road junction is advanced.

Claims

1. the circuitous hot-blast stove of a directly-heated type multilayer comprises that body of heater (1) middle and lower part sidewall has fire door (5) and cleanout door (6) and leeward road junction (7), middle and upper part sidewall to have windward road junction (3) and inspection opening (4), top that smoke outlet flue (2) is arranged; Interlayer A (9), cup-shaped furnace internal-lining (8), interlayer B (10), interlayer C (11) are arranged in body of heater (1) stove successively; The upper end that it is characterized in that interlayer A (9), furnace internal-lining (8), interlayer B (10), interlayer C (11) is welded with upper cover plate (12) in the stove; The lower end of interlayer B (10), interlayer C (11), smoke outlet flue (2) is welded with lower shoe (13) in the stove; Upper cover plate (12) is porose in the stove between furnace internal-lining (8) upper end and interlayer B (10) upper end, and lower shoe (13) is porose in the stove between interlayer C (11) lower end and smoke outlet flue (2) lower end; Top between furnace internal-lining (8) and interlayer B (10) is welded with interlayer pipe (14).