CN208186847U - A kind of efficient oil-burning boiler - Google Patents

Abstract

The utility model relates to boiler plant technical fields, more particularly to a kind of efficient oil-burning boiler, including boiler body, burner hearth, burner and drum, the side wall of the boiler body is multilayered structure, the side wall of the boiler body successively includes outer thermal insulation layer, dosing chamber and inner insulating layer from outside to inside, is arranged with multiple spray heads on the medial surface of the inner insulating layer；Heating room is equipped in the boiler body, it heats and constitutes a flue gas flowing lumen between the lateral wall and the inner insulating layer of room, U-shaped circulation smoke pipe is equipped in the drum, one end of U-shaped circulation smoke pipe is connected to through the side wall of the drum with the smoke evacuation room, the other end is connected to through the side wall of the drum with the flue gas flowing lumen, is equipped with multiple cooling fins along tube wall on the U-shaped circulation smoke pipe.Beneficial effect is: improving the efficiency of oil burning boiler, has saved operating cost.Next has disposed nitrogen oxides in flue gas etc., reduces pollution of the flue gas to air, is conducive to the protection of environment.

Description

A kind of efficient oil-burning boiler

Technical field

The utility model relates to boiler plant technical fields, and in particular to a kind of efficient oil-burning boiler.

Background technique

For a long time, always using coal as main energy sources, coal-burning boiler is largely used in China, and it is dirty to form coal smoke type atmosphere Dye, the haze weather especially occurred mostly in recent years further promote the energy policy in China and energy resource structure to make the transition as early as possible.

The usage amount of the coal-burning chemical industry boiler in China is huge, is the important pollution sources of China's haze weather, therefore I Some big or middle cities of state have been formulated in the recent period to be changed to fuel oil industry or life coal-burning boiler or fires the boiler policy of natural gas, The conspicuous contradiction between boiler fired coal and environment not only can be solved, and is laid with various petroleum import pipelines in country Under background, more it is applicable in oil burning boiler and replaces existing coal-burning boiler.

Oil burning boiler refers to that fuel uses the boiler of fuel oil, including diesel oil, the boiler of the oil plants such as waste oil.Oil burning boiler includes Fuel boiler, oil-fired water-boiler, fuel oil heating boiler, fuel oil bath boiler, oil-fired steam boiler etc., oil burning boiler tool There are economy, environmental protection etc. a little, and more easy to use than general gas fired-boiler.With the development of economy with social progress and people Raising to environmental consciousness, coal-burning boiler be gradually distance from the sight of people, replacing is novel environment friendly due to seriously polluted Oil burning boiler.

The burner hearth of existing oil burning boiler is mostly horizontal burner hearth, and burner hearth is arranged in drum, however this boiler liter Warm speed is slow, cannot make full use of the waste heat of flue gas, and the thermal efficiency is low, increases operating cost indirectly.Moreover, now most of Oil burning boiler directly discharges flue gas, is unfavorable for the protection of environment.

Utility model content

Purpose of the utility model is to solve the above problems, provide a kind of efficient oil-burning boiler.

In order to reach above-mentioned purpose of utility model, the utility model uses following technical scheme:

A kind of efficient oil-burning boiler, including boiler body, burner hearth, burner and drum, the burner hearth and drum are respectively provided with In in the boiler body, the burner is installed on outside the boiler body and is connected to the burner hearth, the boiler body Side wall be multilayered structure, the side wall of the boiler body from outside to inside successively include outer thermal insulation layer, dosing chamber and inner insulating layer, Multiple spray heads are arranged on the medial surface of the inner insulating layer；It is equipped with heating room in the boiler body, heats the lateral wall of room A flue gas flowing lumen is constituted between the inner insulating layer, the burner hearth is set to the indoor bottom of heating, the drum It is set to the top of the burner hearth, the side wall of the drum and the inner wall for heating room constitute a smoke evacuation room, the burner hearth Smoke outlet is connected to the smoke evacuation room；

U-shaped circulation smoke pipe, side wall and the row of the one end of U-shaped circulation smoke pipe through the drum are equipped in the drum Smoke-box connection, the other end is connected to through the side wall of the drum with the flue gas flowing lumen, along tube wall on the U-shaped circulation smoke pipe Equipped with multiple cooling fins.

Preferably, the drum includes a L-shaped heat-conducting plate, and the heat-conducting plate is fixedly connected with the inner wall of the heating room And the drum is constituted with the inner wall of the heating room.

Preferably, hot-fluid chamber is equipped with inside the cooling fin, hot-fluid chamber is connected to the lumen of the U-shaped circulation smoke pipe.

Preferably, the inner wall of the cooling fin is equipped with the convective tank of multiple arcs, and in the outside of the cooling fin Face forms multiple heat bulges.

Preferably, spiral winding has a heat-exchange tube on the outer wall of the burner hearth, the both ends of heat-exchange tube with the drum Connection.

Preferably, the bottom of the boiler body is equipped with waste water tank, and the waste water tank is connected to the flue gas flowing lumen.

Preferably, the boiler body is equipped with flue gas emission mouth, and the flue gas emission mouth and the flue gas flowing lumen connect It is logical.

Preferably, the boiler body is equipped with the dosing valve being connected to the dosing chamber.

Compared with prior art, beneficial effect is the utility model: the utility model is by existing burner hearth and drum setting The closed space of indoor formation is heated, the high temperature that burner hearth generates directly heats drum.Flue gas is emitted into U-shaped follow after burner hearth generation Ring smoke pipe, the waste heat of flue gas circulating-heating in pipe increase heat dissipation area by cooling fin, and heating rate improves, flue gas Waste heat is sufficiently utilized, and is improved the efficiency of oil burning boiler, has been saved operating cost.Secondly, flue gas enters cigarette after being utilized It in air-flow cavity, is neutralized with the liquid of spray head sprinkling, has disposed the nitrogen oxides etc. in flue gas, reduce dirt of the flue gas to air Dye, is conducive to the protection of environment.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model drum；

Fig. 3 is the structural schematic diagram of cooling fin.

In figure: 1 boiler body, 2 burner hearths, 3 burners, 4 drums, 5 outer thermal insulation layers, 6 dosing chambers, 7 inner insulating layers, 8 spray heads, 9 heating rooms, 10 flue gas flowing lumens, 11 smoke evacuation rooms, 12 smoke outlets, 13U type recycle smoke pipe, 14 cooling fins, 15 heat-conducting plates, 16 hot-fluids Chamber, 17 convective tanks, 18 heat bulges, 19 heat-exchange tubes, 20 waste water tanks, 21 flue gas emission mouths.

Specific embodiment

Explanation is further described to the technical solution of the utility model below by specific embodiment.

The present embodiment is as shown in Figure 1, Figure 2, Figure 3 shows: a kind of efficient oil-burning boiler, including rectangular boiler body 1, burner hearth 2, Burner 3 and drum 4, the burner hearth 2 and drum 4 are all set in the boiler body 1, and the burner 3 is installed on described Boiler body 1 is outer and is connected to the burner hearth 2.

Closed heating room 9 is equipped in the boiler body 1, the side wall of heating room 9 is equally made of heat-barrier material.Add A flue gas flowing lumen 10 is constituted between the lateral wall in hot cell 9 and the inner insulating layer 7, the burner hearth 2 is set to the heating room 9 Interior bottom, the drum 4 are set to the top of the burner hearth 2, the inner wall structure of the side wall of the drum 4 and the heating room 9 Smoke-box 11 in a row, the smoke outlet 12 of the burner hearth 2 are connected to the smoke evacuation room 11.

The drum 4 includes a L-shaped heat-conducting plate 15, and the heat-conducting plate 15 is fixedly connected with the inner wall of the heating room 9 And the drum 4 is constituted with the inner wall of the heating room 9.The U-shaped circulation smoke pipe 13 of setting, U-shaped circulation smoke pipe in the drum 4 13 one end is connected to through the heat-conducting plate 15 with the smoke evacuation room 11, the other end run through the side wall for heating room 9 with it is described Flue gas flowing lumen 10 is connected to.The flue gas that burner hearth 2 generates is emitted into smoke evacuation interior 11, under the promotion of hot-fluid, row from smoke outlet 12 Flue gas in smoke-box 11, which enters in U-shaped circulation smoke pipe 13, to circulate, and finally enters in flue gas flowing lumen 10.

The side wall of the boiler body 1 be multilayered structure, the side wall of the boiler body 1 from outside to inside successively include outside every Thermosphere 5, dosing chamber 6 and inner insulating layer 7.Double thermal insulation layers of the utility model make to carry out thermal isolation with extraneous in boiler, prevent heat Conduction.

Multiple spray heads 8 are arranged on the medial surface of the inner insulating layer 7, spray head 8 is connected to dosing chamber 6, when setting is in pot After dosing valve 22 outside furnace body 1 is opened, it is passed through medical fluid in dosing chamber 6, medical fluid body is to the cigarette being circulated in flue gas flowing lumen 10 Sprinkling carries out neutralization reaction on gas.The bottom of the boiler body 1 is equipped with waste water tank 20, the waste water tank 20 and the flue gas stream Cavity 10 is connected to.Medical fluid after neutralization is flowed to out of flue gas flowing lumen 10 in waste water tank 20, by pump by waste water be sucked out into Row subsequent processing.

The boiler body 1 is equipped with flue gas emission mouth 21, and the flue gas emission mouth 21 connects with the flue gas flowing lumen 10 It is logical.It is discharged after flue gas is processed.Multiple spray heads 8 can be set in the side of flue gas emission mouth 21, prevent not processed cigarette Gas is discharged.

Spiral winding has heat-exchange tube 19 on the outer wall of the burner hearth 2, and the both ends of heat-exchange tube 19 run through described thermally conductive Plate 15 is connected to the inner cavity of the drum 4.Heat-exchange tube 19 is directly coated on burner hearth 2, can directly absorb heat, heating rate It is most fast, and the heat for generating burner hearth is directly absorbed as far as possible.

In order to provide heating rate, and the waste heat of flue gas is made full use of, pacified on the U-shaped circulation smoke pipe 13 along tube wall Multiple cooling fins 14 are filled, hot-fluid chamber 16, the lumen of hot-fluid chamber 16 and the U-shaped circulation smoke pipe 13 are equipped with inside the cooling fin 14 Connection.Cooling fin 14 increases heat dissipation area, and is distributed in each position in drum 4 along tube wall on U-shaped circulation smoke pipe 13, Homogeneous heating accelerates heating rate.

To make flowing smoothly for flue gas, the inner wall of the cooling fin 14 is equipped with the convective tank 17 of multiple arcs, opposite Multiple heat bulges 18 are formed in the lateral surface of the cooling fin 14.Heat bulge 18 increases heat dissipation area.

The utility model forms closed space by the way that burner hearth 2 and drum 4 to be arranged in heating room 9, what burner hearth 2 generated High temperature directly heats drum 4.Flue gas is emitted into U-shaped circulation smoke pipe 13 after the generation of burner hearth 2, and the waste heat of flue gas recycles in pipe to be added Heat increases heat dissipation area by cooling fin 14, and heating rate improves, and the waste heat of flue gas is sufficiently utilized, and improves fuel oil pot The efficiency of furnace, has saved operating cost.Secondly, flue gas enters in flue gas flowing lumen 10 after being utilized, the liquid sprayed with spray head 8 Body neutralizes, and has disposed the nitrogen oxides etc. in flue gas, reduces pollution of the flue gas to air, is conducive to the protection of environment.

Above description is merely a prefered embodiment of the utility model, does not constitute the limit to scope of protection of the utility model It is fixed.Any any modifications, equivalent replacements, and improvements made within spirit of the present utility model and principle etc., should be included in Within the protective scope of the claims of the utility model.

Claims (6)

1. a kind of efficient oil-burning boiler, including boiler body (1), burner hearth (2), burner (3) and drum (4), the burner hearth (2) Be all set in the boiler body (1) with drum (4), the burner (3) be installed on the boiler body (1) outside and with institute State burner hearth (2) connection, it is characterised in that:

The side wall of the boiler body (1) be multilayered structure, the side wall of the boiler body (1) from outside to inside successively include outside every Thermosphere (5), dosing chamber (6) and inner insulating layer (7) are arranged with multiple spray heads (8) on the medial surface of the inner insulating layer (7)；Institute It states and is equipped with heating room (9) in boiler body (1), heat and constitute a flue gas between the lateral wall and the inner insulating layer (7) of room (9) Flowing lumen (10), the burner hearth (2) are set to the bottom in heating room (9), and the drum (4) is set to the burner hearth (2) inner wall of top, the side wall of the drum (4) and heating room (9) constitutes smoke evacuation room (11), the burner hearth (2) Smoke outlet (12) be connected to the smoke evacuation room (11)；

U-shaped circulation smoke pipe (13) is equipped in the drum (4), the side of the drum (4) is run through in one end of U-shaped circulation smoke pipe (13) Wall is connected to the smoke evacuation room (11), and side wall of the other end through the drum (4) is connected to the flue gas flowing lumen (10), institute It states and is equipped with multiple cooling fins (14) along tube wall on U-shaped circulation smoke pipe (13).

2. a kind of efficient oil-burning boiler according to claim 1, it is characterised in that: the drum (4) includes one L-shaped leading Hot plate (15), the heat-conducting plate (15) is fixedly connected with the inner wall of heating room (9) and the inner wall structure with heating room (9) At the drum (4).

3. a kind of efficient oil-burning boiler according to claim 1 or 2, which is characterized in that set inside the cooling fin (14) Have hot-fluid chamber (16), hot-fluid chamber (16) is connected to the lumen of U-shaped circulation smoke pipe (13).

4. a kind of efficient oil-burning boiler according to claim 3, which is characterized in that set on the inner wall of the cooling fin (14) There is the convective tank (17) of multiple arcs, and forms multiple heat bulges (18) in the lateral surface of the cooling fin (14).

5. a kind of efficient oil-burning boiler according to claim 1, which is characterized in that spiral on the outer wall of the burner hearth (2) It is wound with heat-exchange tube (19), the both ends of heat-exchange tube (19) are connected to the drum (4).

6. a kind of efficient oil-burning boiler according to claim 1, which is characterized in that the bottom of the boiler body (1) is set Have waste water tank (20), the waste water tank (20) is connected to the flue gas flowing lumen (10).