CN202328775U

CN202328775U - Square-box-shaped heat carrier heating furnace

Info

Publication number: CN202328775U
Application number: CN2011205014197U
Authority: CN
Inventors: 李永君; 丁宏
Original assignee: CHANGZHOU ENERGY ENGINEERING Co Ltd
Current assignee: CHANGZHOU ENERGY ENGINEERING Co Ltd
Priority date: 2011-12-06
Filing date: 2011-12-06
Publication date: 2012-07-11
Anticipated expiration: 2021-12-06

Abstract

The utility model discloses a square-box-shaped heat carrier heating furnace, which comprises a square-box-shaped heating furnace body. A combustion chamber is installed at the bottom of the heating furnace body, and an outlet oil collecting tube is installed on the lateral wall of the heating furnace body. An inner cavity of the heating furnace body is divided into a lower radiation chamber, an upper radiation chamber and a convection chamber, a fuel gas combustion device is arranged on the right side of the lower radiation chamber, a lower radiation section furnace tube with an inner cavity is installed on the periphery of the inner wall of the lower radiation chamber, an upper radiation section furnace tube with an inner cavity is installed on the periphery of the inner wall of the upper radiation chamber, and a furnace body flue gas port is arranged on the right side of the convection chamber. Ceiling tubes are arranged at the top of the upper radiation chamber and the top of the convection chamber, an inlet oil collecting tube is installed at the bottom of the convection chamber and communicated with a plurality of convection section tubes which are communicated with a convection section outlet collecting tube, and the convection section outlet collecting tube is communicated with the outlet oil collecting tube through pipeline connection. The square-box-shaped heat carrier heating furnace can combust fuel oil, gas, coal and biomass fuels.

Description

Square chest type heat medium heater

Technical field

The utility model relates to a kind of square chest type heat medium heater, belongs to the firing equipment technical field.

Background technology

At present; The general-purpose industrial heating furnace; Remove a part of fuel oil, combustion gas, also having quite a few is coal combustion and living beings, and no matter is that the heating furnace common defects of single fuel oil or single coal combustion and living beings is that burning is insufficient; Cause the waste of the energy, and the fuel modification of the heating furnace of single-fuel is quite difficult.

Summary of the invention

The purpose of the utility model provide a kind of both can fuel-firing gas-firing, again can be with the square chest type heat medium heater of coal and biomass fuel.

The technical scheme that realizes the utility model purpose is: a kind of square chest type heat medium heater, comprise the heating furnace body of square box shape, and the bottom of heating furnace body is equipped with the combustion chamber; Fuel-displaced collector is installed on the sidewall of heating furnace body; The inner chamber of heating furnace body is divided into the bottom radiation chamber, top radiation chamber and convection cell, and the right side of bottom radiation chamber is equipped with the fuel vapor burner; The inner peripheral wall of bottom radiation chamber is equipped with the bottom radiant coil that forms cavity; The inner peripheral wall of top radiation chamber is equipped with the top radiant coil that forms cavity, and the right side of convection cell is provided with body of heater flue gas interface, and the top of top radiation chamber and convection cell is equipped with roof tube; The bottom of convection cell is equipped with the oil-feed collector; Be communicated with some convection section tubes on the oil-feed collector, this convection section tube is communicated with a convection section outlet header, and this convection section outlet header connects through pipeline and is communicated with fuel-displaced collector.

Further, the convection section outlet header is communicated with roof tube, and roof tube is communicated with the top radiant coil, and the top radiant coil is communicated with the bottom radiant coil, and the bottom radiant coil is communicated with fuel-displaced collector.

Further, the convection section outlet header is communicated with the bottom radiant coil, and the bottom radiant coil is communicated with the top radiant coil, and the top radiant coil is communicated with roof tube, and roof tube is communicated with fuel-displaced collector.

Adopt technique scheme, the utlity model has following beneficial effect:

1, adopt the heating furnace of this structure, when coal combustion and biomass fuel, radiant section has enough furnace cavity heating surface areas and height, helps the after-flame of coal and biomass fuel, and having guaranteed simultaneously has enough heating surface areas; When fuel oil, gas,, validity, security in the heating furnace radiation chamber have been guaranteed because radiant section has enough spaces, heating surface area and height.

2, the combustion chamber of fuel vapor burner and bottom is installed in different positions, and flame is to the damage of the combustion chamber of bottom in the time of can reducing fuel vapor greatly.

3, heating furnace adopts upper and lower two sections monolithic constructions, and the bottom is the bottom radiation chamber, and top is the assembling overall structure of top radiation chamber and convection cell, helps transporting convenience and economy with site operation.

Description of drawings

Fig. 1 is the scheme of installation of the utility model;

Fig. 2 is the structural representation of first kind of structure of heating furnace body among Fig. 1;

Fig. 3 is the structural representation of second kind of structure of heating furnace body among Fig. 1.

The specific embodiment

For the content that makes the utility model is expressly understood more easily, below according to specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation,

Embodiment one

Like Fig. 1, shown in 2, a kind of square chest type heat medium heater comprises the heating furnace body 2 of square box shape; The bottom of heating furnace body 2 is equipped with combustion chamber 1, and fuel-displaced collector 8 is installed on the sidewall of heating furnace body 2, and the inner chamber of heating furnace body 2 is divided into bottom radiation chamber 10; Top radiation chamber 11 and convection cell 12; The right side of bottom radiation chamber 10 is equipped with fuel vapor burner 3, and the inner peripheral wall of bottom radiation chamber 10 is equipped with the bottom radiant coil 7-1 that forms cavity, and the inner peripheral wall of top radiation chamber 11 is equipped with the top radiant coil 7-2 that forms cavity; The right side of convection cell 12 is provided with body of heater flue gas interface 6; The top of top radiation chamber 11 and convection cell 12 is equipped with roof tube 9, and the bottom of convection cell 12 is equipped with oil-feed collector 4, is communicated with some convection section tubes 5 on the oil-feed collector 4; This convection section tube 5 is communicated with a convection section outlet header 13, and this convection section outlet header 13 connects through pipeline and is communicated with fuel-displaced collector 8.

As shown in Figure 2, convection section outlet header 13 is communicated with roof tube 9, and roof tube 9 is communicated with top radiant coil 7-2, and top radiant coil 7-2 is communicated with bottom radiant coil 7-1, and bottom radiant coil 7-1 is communicated with fuel-displaced collector 8.Circulatory mediator gets into from oil-feed collector 4; Behind convection section tube 5, be pooled to convection section outlet header 13, get into roof tube 9 from convection section outlet header 13 then, top radiant coil 7-2 again flows through; Arrive bottom radiant coil 7-1 again, flow out heating furnace body 2 from outlet header 8 at last.

Embodiment two

Like Fig. 1, shown in 3, a kind of square chest type heat medium heater comprises the heating furnace body 2 of square box shape; The bottom of heating furnace body 2 is equipped with combustion chamber 1, and fuel-displaced collector 8 is installed on the sidewall of heating furnace body 2, and the inner chamber of heating furnace body 2 is divided into bottom radiation chamber 10; Top radiation chamber 11 and convection cell 12; The right side of bottom radiation chamber 10 is equipped with fuel vapor burner 3, and the inner peripheral wall of bottom radiation chamber 10 is equipped with the bottom radiant coil 7-1 that forms cavity, and the inner peripheral wall of top radiation chamber 11 is equipped with the top radiant coil 7-2 that forms cavity; The right side of convection cell 12 is provided with body of heater flue gas interface 6; The top of top radiation chamber 11 and convection cell 12 is equipped with roof tube 9, and the bottom of convection cell 12 is equipped with oil-feed collector 4, is communicated with some convection section tubes 5 on the oil-feed collector 4; This convection section tube 5 is communicated with a convection section outlet header 13, and this convection section outlet header 13 connects through pipeline and is communicated with fuel-displaced collector 8.

As shown in Figure 3, convection section outlet header 13 is communicated with bottom radiant coil 7-1, and bottom radiant coil 7-1 is communicated with top radiant coil 7-2, and top radiant coil 7-2 is communicated with roof tube 9, and roof tube 9 is communicated with fuel-displaced collector 8.Circulatory mediator gets into from oil-feed collector 4; Behind convection section tube 5, be pooled to convection section outlet collection 13, from convection section outlet header 13 entering bottom radiant coil 7-1, top radiant coil 7-2 again flows through then; Arrive roof tube 9 again, flow out heating furnace body 2 from outlet header 8 at last.

The inside flue gas flow of the utility model:

Fire coal and biomass fuel are after 1 burning of the combustion chamber of bottom; High-temperature flue gas gets into bottom radiation chamber 10, arrives top radiation chamber 11 then, and fuel vapor burner 3 is when fuel vapor; Fuel is radiation chamber 10 and 11 burnings of top radiation chamber in the bottom directly; High-temperature flue gas is behind radiation heat transfer, and flue gas gets into convection cell 12 heat exchange, behind radiation, heat convection, discharges from body of heater flue gas interface 6.

The operation principle of the utility model is following:

On original heating furnace body 2, increase the radiation chamber height; Remove the middle heating surface boiler tube in the indoor chamber of primary radiation; Make it to become the cavity type structure; Radiation chamber has only in (comprising top radiation chamber 11 and bottom radiation chamber 10) and radiant coil is arranged (comprising top radiant coil 7-2 and bottom radiant coil 7-1) on the inner peripheral wall, has raised the radiation chamber height simultaneously to obtain enough radiant section heating surfaces; This heating furnace body 2 adopts two-part; The bottom is a bottom radiation chamber 10, and top is the assembling overall structure of top radiation chamber 11 and convection cell 12, and circulatory mediator gets into convection cells 12 by oil-feed collector 4; Get into radiation chamber then, finally flow out heating furnace by fuel-displaced collector 8; The combustion chamber 1 of fuel vapor burner 3 and bottom is installed in different positions, and flame is to the damage of the combustion chamber 1 of bottom in the time of can reducing fuel vapor greatly.

Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. square chest type heat medium heater; The heating furnace body (2) that comprises square box shape; The bottom of heating furnace body (2) is equipped with combustion chamber (1), and fuel-displaced collector (8) is installed on the sidewall of heating furnace body (2), it is characterized in that: the inner chamber of heating furnace body (2) is divided into bottom radiation chamber (10); Top radiation chamber (11) and convection cell (12); The right side of bottom radiation chamber (10) is equipped with fuel vapor burner (3), and the inner peripheral wall of bottom radiation chamber (10) is equipped with the bottom radiant coil (7-1) that forms cavity, and the inner peripheral wall of top radiation chamber (11) is equipped with the top radiant coil (7-2) that forms cavity; The right side of convection cell (12) is provided with body of heater flue gas interface (6); The top of top radiation chamber (11) and convection cell (12) is equipped with roof tube (9), and the bottom of convection cell (12) is equipped with oil-feed collector (4), is communicated with some convection section tubes (5) on the oil-feed collector (4); This convection section tube (5) is communicated with a convection section outlet header (13), and this convection section outlet header (13) connects through pipeline and is communicated with fuel-displaced collector (8).

2. square chest type heat medium heater according to claim 1; It is characterized in that: convection section outlet header (13) is communicated with roof tube (9); Roof tube (9) is communicated with top radiant coil (7-2); Top radiant coil (7-2) is communicated with bottom radiant coil (7-1), and bottom radiant coil (7-1) is communicated with fuel-displaced collector (8).

3. square chest type heat medium heater according to claim 1; It is characterized in that: convection section outlet header (13) is communicated with bottom radiant coil (7-1); Bottom radiant coil (7-1) is communicated with top radiant coil (7-2); Top radiant coil (7-2) is communicated with roof tube (9), and roof tube (9) is communicated with fuel-displaced collector (8).