CN206191880U - Utilize biomass fuel's heat supply unit - Google Patents

Abstract

The utility model discloses an utilize biomass fuel's heat supply unit, including the furnace body, the furnace chamber, the combustion chamber, arrange grey room, flue gas back flow and coiled pipe, the inside of furnace body is from last to having the furnace chamber, combustion chamber and the grey room of row, the inside in furnace chamber is linked together with the one end of blast pipe through smoke exhaust passage, the top plate surface in furnace chamber has seted up a plurality of air inlets in proper order, the induction cooker comprises a cooker bod, the intercommunication is provided with the economizer bank on the flue gas back flow, the bottom opening of flue gas back flow locates the inside of combustion chamber, the inside in furnace chamber still is equipped with the coiled pipe, the left end and the bottom of advancing the cold water pipe of coiled pipe are linked together, the right -hand member and the left end that goes out the hot -water line of coiled pipe are linked together, the outer lane winding of advancing the cold water pipe is provided with the economizer bank. The utility model discloses simple structure, reasonable in design, energy -concerving and environment -protective, the biomass fuel burning is abundant, and heat utilization rate is high, has very high practical value.

Description

A kind of thermal power plant unit of utilization biomass fuel

Technical field

The utility model is related to heating equipment field, specifically a kind of thermal power plant unit of utilization biomass fuel.

Background technology

Chinese patent (Authorization Notice No.：The U of CN 201926109) disclose a kind of biomass heat supplying group, its mainly by Body of heater and smoke exhaust pipe are constituted；Be provided with burner hearth chamber and stove seat chamber in body of heater, the upper and lower ends in burner hearth chamber respectively with smoke exhaust pipe and stove Seat chamber communicates；Fire bars is provided with the internal cavities in stove seat chamber, stove seat chamber is divided into combustion chamber and ash discharge chamber by the fire bars；Combustion chamber Offer charging aperture and ash hole respectively with ash discharge chamber；The fire bars is intervally arranged by a plurality of water pipe and formed, and these water pipes are equal Communicated with the coil pipe being arranged in the internal cavities in burner hearth chamber, one end of above-mentioned coil pipe communicates with cold water inlet, coil pipe it is another End communicates with hot water outlet.Although the thermal efficiency of body biomass fuel can be improved effectively, biomass fuel is in burning Can more or less think burning insufficient and produce toxic gas carbon monoxide, if carbon monoxide is directly discharged, sky certainly will be caused Gas pollutes；Increase carbon monoxide purification equipment in addition and virtually improve equipment cost.Meanwhile, the heat contained in flue gas compared with It is many, the utilization rate of heat energy can be will further improve if being used, reduce heat cost.

Utility model content

The purpose of this utility model is to provide a kind of thermal power plant unit of utilization biomass fuel, to solve above-mentioned background skill The problem proposed in art.

To achieve the above object, the utility model provides following technical scheme：

A kind of thermal power plant unit of utilization biomass fuel, including body of heater, burner hearth chamber, combustion chamber, ash discharge chamber, smoke backflow Pipe, coiled pipe and fume dust remover, the inside of the body of heater is provided with burner hearth chamber, combustion chamber and ash discharge chamber from top to bottom；It is described The top board higher-end in burner hearth chamber offers discharge flue, one end phase that the inside in burner hearth chamber passes through the discharge flue and blast pipe Connection；Fume dust remover is additionally provided with the blast pipe；The top board surface in the burner hearth chamber offers multiple air inlets successively, Air inlet is connected by smoke backflow branched pipe with the top of smoke backflow pipe；It is provided with and communicated with the smoke backflow pipe Economizer bank；Inside of the bottom end outlet of the smoke backflow pipe located at combustion chamber；Also opened up in the outer wall surface of the combustion chamber There is charge door；The body of heater inner left wall be provided with vertical direction setting enter cold water pipe, enter cold water pipe outer ring winding be provided with The economizer bank；The inside in the burner hearth chamber is additionally provided with coiled pipe, and the left end of coiled pipe is connected with the bottom for entering cold water pipe；Institute The right-hand member of coiled pipe is stated to be connected with the left end of hot-water outlet pipe；Ash hole is further opened with the outer wall surface of the ash discharge chamber.

As further program of the utility model：The top board in the burner hearth chamber is obliquely installed in a left side is low right high, inclines Angle is 10 °~15 °.

As further program of the utility model：Heat-insulation layer is additionally provided between the outer wall and inwall of the body of heater, is protected Warm layer is formed by heat preservation rock filling.

As further program of the utility model：The section of the air inlet is bowl structure.

Compared with prior art, the beneficial effects of the utility model are：What biomass fuel was produced during burning Contain toxic gas carbon monoxide in flue gas, most flue gas enters under the aggtegation of air inlet through smoke backflow branched pipe Enter in smoke backflow pipe, the flue gas in smoke backflow pipe flows through economizer bank, while the flue gas in economizer bank will further enter cold The inner cold water of water pipe is preheated, and effectively increases the utilization rate of heat energy in flue gas, and the cold water after preheating can be in coiled pipe Sufficiently heated, improve the rate of heat addition of cold water；The flue gas of smoke backflow pipe is traveled further into combustion chamber, in flue gas The carbon monoxide for containing forms nontoxic carbon dioxide, energy-conserving and environment-protective by further burning, while flue gas enters combustion chamber It is interior, contribute to the burning of biomass, the efficiency of combustion of biomass fuel is improve, with practical value very high.To sum up, entirely Apparatus structure is simple, reasonable in design, energy-conserving and environment-protective, and fully, heat utilization rate is high, with practicality very high for biomass fuel combustion Value.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

In figure：1- bodies of heater, 2- heat-insulation layers, 3- burner hearths chamber, 4- combustion chambers, 5- ash discharge chamber, 6- charge doors, 7- ash holes, 8- Hot-water outlet pipe, 9- smoke backflow pipes, 10- coiled pipes, 11- enters cold water pipe, and 12- economizer banks, 13- smoke backflow branched pipes, 14- enters Gas port, 15- blast pipes, 16- fume dust removers.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1 is referred to, in the utility model embodiment, a kind of thermal power plant unit of utilization biomass fuel, including body of heater 1, Burner hearth chamber 3, combustion chamber 4, ash discharge chamber 5, smoke backflow pipe 9, coiled pipe 10 and fume dust remover 16, the inside of the body of heater 1 Burner hearth chamber 3, combustion chamber 4 and ash discharge chamber 5 are provided with from top to bottom；Heat-insulation layer is additionally provided between the outer wall and inwall of the body of heater 1 2, heat-insulation layer 2 is formed by heat preservation rock filling, and the effect of heat-insulation layer 2 is to be prevented effectively from scattering and disappearing, further improving thermal effect for heat Rate；The top board in the burner hearth chamber 3 is obliquely installed in a left side is low right high, and angle of inclination is 10 °~15 °；The top board in the burner hearth chamber 3 Higher-end offers discharge flue, and the inside in burner hearth chamber 3 is connected by the discharge flue with one end of blast pipe 15；It is described Fume dust remover 16 is additionally provided with blast pipe 15, the effect of fume dust remover 16 is to filter the dust in flue gas, it is to avoid cigarette Dustiness contaminates air；The top board surface in the burner hearth chamber 3 offers multiple air inlets 14 successively, and air inlet 14 passes through smoke backflow Branched pipe 13 is connected with the top of smoke backflow pipe 9；Economizer bank 12 is provided with and communicated with the smoke backflow pipe 9；It is described enter The section of gas port 14 is bowl structure, and the effect of air inlet 14 is easy for the aggregation of flue gas, and effectively guiding flue gas is returned into flue gas In flow point branch pipe 13；Inside of the bottom end outlet of the smoke backflow pipe 9 located at combustion chamber 4；The outer wall surface of the combustion chamber 4 On be further opened with charge door 6, charge door 6 is connected with outside feeding device, and outside feeding device can uniformly by biomass Fuel is delivered in combustion chamber 4；The inner left wall of the body of heater 1 be provided with vertical direction setting enter cold water pipe 11, enter cold water pipe 11 Outer ring winding be provided with the economizer bank 12, the effect of economizer bank 12 is preheated to entering the cold water in cold water pipe 11, is carried The efficiency of heating surface of cold water high；The inside in the burner hearth chamber 3 is additionally provided with coiled pipe 10, the left end of coiled pipe 10 with enter cold water pipe 11 Bottom be connected；The right-hand member of the coiled pipe 10 is connected with the left end of hot-water outlet pipe 8；The effect of the coiled pipe 10 is to prolong Time of the cold water long in pipe, the heating effect of hot water is effectively improved, further improve the thermal efficiency；The outer wall of the ash discharge chamber 5 Ash hole 7 is further opened with surface, the effect of ash hole 7 is easy for the ashes discharge in ash discharge chamber 5.

Operation principle of the present utility model is：When in use, biomass fuel is from the feeding of charge door 6 combustion chamber 4 for device Burnt, heat-insulation layer 2, burner hearth chamber 3 and combustion chamber 4 interior stream of the heat produced by biomass fuel combustion in whole body of heater 1 It is dynamic；Cold water enters in coiled pipe 10 from cold water pipe 11 is entered, and the cold water in coiled pipe 10 adds after carrying out heat exchange inside burner hearth chamber 3 Heat is hot water, and hot water flows out through hot-water outlet pipe 8；Contain toxic gas in the flue gas that biomass fuel is produced during the burning Carbon monoxide, most flue gas enters smoke backflow pipe 9 under the aggtegation of air inlet 14 through smoke backflow branched pipe 13 Interior, the flue gas in smoke backflow pipe 9 flows through economizer bank 12, while the flue gas in economizer bank 12 will further enter cold water pipe 11 Inner cold water is preheated, and effectively increases the utilization rate of heat energy in flue gas, and the cold water after preheating can be carried out in coiled pipe 10 Sufficiently heating, improves the rate of heat addition of cold water；The flue gas of smoke backflow pipe 9 is traveled further into combustion chamber 4, is contained in flue gas Some carbon monoxide form nontoxic carbon dioxide, energy-conserving and environment-protective by further burning, while flue gas enters combustion chamber 4 It is interior, contribute to the burning of biomass, the efficiency of combustion of biomass fuel is improve, with practical value very high.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined May be appreciated other embodiment.

Claims (4)

1. a kind of thermal power plant unit of utilization biomass fuel, including body of heater, burner hearth chamber, combustion chamber, ash discharge chamber, smoke backflow pipe, Coiled pipe and fume dust remover, it is characterised in that the inside of the body of heater is provided with burner hearth chamber, combustion chamber and ash discharge from top to bottom Room；The top board higher-end in the burner hearth chamber offers discharge flue, and the inside in burner hearth chamber passes through the discharge flue and blast pipe One end be connected；Fume dust remover is additionally provided with the blast pipe；The top board surface in the burner hearth chamber offers many successively Individual air inlet, air inlet is connected by smoke backflow branched pipe with the top of smoke backflow pipe；On the smoke backflow pipe It is provided with and communicated with economizer bank；Inside of the bottom end outlet of the smoke backflow pipe located at combustion chamber；The outer wall table of the combustion chamber Charge door is further opened with face；The outer ring entered cold water pipe, enter cold water pipe of vertical direction setting is provided with inside the body of heater left wall Winding is provided with the economizer bank；The inside in the burner hearth chamber is additionally provided with coiled pipe, the left end of coiled pipe and the bottom for entering cold water pipe End is connected；The right-hand member of the coiled pipe is connected with the left end of hot-water outlet pipe；Also opened up in the outer wall surface of the ash discharge chamber There is ash hole.

2. the thermal power plant unit of a kind of utilization biomass fuel according to claim 1, it is characterised in that the burner hearth chamber Top board is obliquely installed in a left side is low right high, and angle of inclination is 10 °~15 °.

3. the thermal power plant unit of a kind of utilization biomass fuel according to claim 1, it is characterised in that the body of heater it is outer Heat-insulation layer is additionally provided between wall and inwall, heat-insulation layer is formed by heat preservation rock filling.

4. the thermal power plant unit of a kind of utilization biomass fuel according to claim 1, it is characterised in that the air inlet Section is bowl structure.