CN2483624Y - Boiler with jacket for preheating feed water - Google Patents

Abstract

The utility model relates to a blade backrest type boiler, comprising a shell, a focus hole and a furnace. The shell is a banding sandwich shell, and the sandwich is filled with circulating water. The utility model is characterized in that the shell comprises a furnace body and a furnace backrest, the bottom of the furnace backrest is inclined, the intracavity of the furnace backrest and the intracavity of the furnace body are connected through a connecting flue, the top of the furnace body is provided with the focus hole, the intracavity of the furnace backrest is provided with a blade tube, the top of the blade tube is connected with the top sandwich of the furnace backrest, and the bottom of the blade tube is connected with the inclined bottom sandwich of the furnace backrest, the furnace backrest face is provided with an ash removal gate. The utility model has the advantages of large heating area, fast temperature rising and high heat transfer efficiency, and is suitable for the family, the restaurant, the field operation and the dormitory.

Description

Leatherleaf backrest type boiler

The utility model relates to a kind of miniature boiler, particularly a kind of leatherleaf backrest type boiler.

Boiler is indispensable equipment, especially a northern area during people live, and home-use boiler is all more universal, the for example common boiler that is used for cooking and heating usefulness claims dual-purpose stove again, both can be used for heating, has cooked, and can produce hot water again, make full use of calory burning, improved the thermal efficiency.This boiler is comparatively universal at northern area, this boiler comprises furnace shell, kitchen range hole, burner hearth, furnace shell is the interlayer furnace shell, in interlayer, be filled with recirculated water, when during with fuel combustion, cooking on the kitchen range hole in burner hearth, the heat that is produced by burning in the burner hearth heats the recirculated water in the interlayer, make light a fire cook in, can warm oneself and produce hot water.Though this dual-purpose stove can be saved heat energy, still have its weak point:

1, heating surface area is less, only heats in burner hearth, and it is slow to heat up, and the heat energy utilization deficiency is a large amount of

Heat energy emits from flue,

2, traditional efficiency is lower, only by metal shell heat is passed to recirculated water, because the heat conduction is slower,

Making heat energy have little time conduction sheds and just is discharged from outside the flue.

The purpose of this utility model provides a kind of leatherleaf backrest type boiler, it can solve the deficiency of above-mentioned existence, promptly the heating surface area of this boiler is bigger, discharging again after hot flue gas in the flue is made full use of, significantly improve its heat transfer property, the heat that produces in the burner hearth burning is transmitted in the recirculated water apace, to improve heat transfer efficiency and heat energy utilization rate.

The utility model is realized by following technical scheme.Leatherleaf backrest type boiler, comprise furnace shell, kitchen range hole, burner hearth, described furnace shell is the furnace shell of strap clamp layer, in interlayer, be filled with recirculated water, it is characterized in that: described furnace shell comprises body of heater and furnace backrest, the bottom of furnace backrest tilts, the inner chamber of furnace backrest interlinks through being connected flue with the inner chamber of body of heater, the body of heater top has the kitchen range hole, inner chamber at furnace backrest is equipped with leatherleaf tube, the top of described leatherleaf tube communicates with the top interlayer of furnace backrest, and the interlayer of the tilting bottom of bottom and furnace backrest interlinks, and the place has shoot door at the furnace backrest face.The utlity model has cooking and heating function, adopt and be connected with furnace backrest on body of heater, this furnace backrest and body of heater are connected together, the similar chair with backrest of its cross sectional shape.The interior thorax of furnace backrest is a flue, by thorax flue in this combustion product gases is discharged.Its cross section of leatherleaf in flue is long and narrow, similar leatherleaf, the inside of leatherleaf tube is connected with recirculated water, this hot flue gas surrounds this leatherleaf tube, and the recirculated water that the leatherleaf tube internal circulation is crossed is heated by hot flue gas completely encircle, and only simultaneously heats from inner face unlike the burner hearth interlayer, so efficiency of heating surface height, other because leatherleaf tube is flat, in flue, form some air channels between each leatherleaf tube, help the flue gas circulation, accelerate the burner hearth burning.Leatherleaf tube can have one deck dust when of long duration in flue, influence the heat transfer of leatherleaf tube, can clean the dust that is attached on the leatherleaf tube with instrument from shoot door, promptly falls burner hearth bottom from the ramped bottom surface of bottom after dust falls and falls from grate.Heat pipe is the new product that went on the market in recent years, and its internal working medium is subjected to thermal evaporation to rise to the top, flows back to the bottom in order to flash heat transfer through the cooling heat dissipation liquefy.Heat Transfer of Heat Pipe on Heat Pipe efficient is high, passes to the heat pipe top from the heat absorption of heat pipe bottom and is used to heat this recirculated water, and its heat absorption, radiating efficiency all improve greatly, thereby have improved heat transfer efficiency.

In sum, the utility model leatherleaf backrest type boiler has also increased interlayer except that having the interlayer at the flue place on body of heater, and is provided with the heating that leatherleaf tube can be accepted hot flue gas on four sides in flue, so can make full use of the hot flue gas that circulates in the flue.In addition, accelerate heat absorption and radiating rate with heat pipe, so can improve heat transfer efficiency greatly.The utility model is suitable for family, hotel, restaurant and field work dormitory to be used.

The utility model is done with embodiment below in conjunction with accompanying drawing and to be specified.

Fig. 1 looks generalized section for master of the present utility model,

Fig. 2 is the A-A cross-sectional schematic among Fig. 1,

Fig. 3 for the B among Fig. 1 to looking schematic diagram (shoot door 8 is not shown).

Code name among the figure: 1 furnace shell 1A body of heater 1B furnace backrest, 2 furnace sandwich, 3 burner hearths, 4 kitchen range holes, 5 heat pipes, 6 furnace backrest faces, 7 furnace backrest inner chambers, 8 shoot doors, 9 another delivery port 10 delivery ports 11 furnace backrests push up at the bottom of 12 furnace backrest top interlayers, 13 leatherleaf tubes, 14 outlet flues, 16 furnace backrest face interlayers, 17 furnace backrests that interlayer 19 electric heaters 20 grates 21 water return outlets 22 connect flues at the bottom of 18 furnace backrests

As Fig. 1,2,3 is three views of the utility model leatherleaf backrest type boiler, leatherleaf backrest type boiler comprises furnace shell 1, kitchen range hole 4, burner hearth 3, the feature of the utility model backrest type boiler is: furnace shell 1 is interlayer, in interlayer 2, be full of recirculated water, the furnace backrest 1B that furnace shell 1 comprises body of heater 1A and leads to it, 17 tilt at the bottom of the furnace backrest, furnace backrest inner chamber 7 is that burner hearth 3 interlinks through being connected flue 22 with the inner chamber of body of heater 1A, body of heater 1A top has kitchen range hole 4, leatherleaf tube 13 is housed in furnace backrest inner chamber 7, the top of described leatherleaf tube 13 and furnace backrest top interlayer 12 interlink, the bottom interlinks with interlayer 18 at the bottom of the furnace backrest that tilts, and has shoot door 8 at furnace backrest face 6 places and is used to remove the flue dust that adheres on the leatherleaf tube 13.In the bottom of furnace backrest face 6 heat pipe 5 is housed, the top of described heat pipe 5 is arranged in the interlayer 16 of backrest face 6, and the bottom is arranged in and connects flue 22.Heater 19 is housed in interlayer 18 at the bottom of the furnace backrest of furnace shell 1, when this boiler heat supplying is not enough, is used for heat cycles water.Body of heater 1A is cylindrical, and it is smooth that recirculated water in the water interlayer is wherein carried, and avoids producing the dead angle.The utility model leatherleaf backrest type boiler in use, charge into recirculated water in the interlayer with furnace shell 1 earlier, make recirculated water be full of each interlayer, burn adding fuel in the burner hearth 3 then, the hot flue gas Q that burning produces enters in the furnace backrest inner chamber 7 through connecting flue 22 from burner hearth 3, discharge from outlet flue 14, after recirculated water S in each interlayer is heated, upwards flow along the interlayer of burner hearth 3 and furnace backrest interlayer and leatherleaf tube 13 are inner, be expelled to the workplace from going out saliva 10, radiator for example, recirculated water enters the interlayer of body of heater 1 bottom from water return outlet 21, heating circulates again, and recirculated water also can be drawn from another delivery port 9 at the top of furnace backrest 1B, for example leads to shower room.As combustion product gases Q during through furnace backrest inner chamber 7, surrounded leatherleaf tube 13, be heated around making this leatherleaf tube 13, increased heating surface area, it is heated up accelerate, in the time of in hot flue gas is flowed through connection flue 22, the very fast absorption heat in the bottom of heat pipe 5, and soon heat is dispersed into the recirculated water from heat pipe 5 tops, reach high duty heat transfer.Long-pending for a long time attached when leatherleaf tube 13 outer surface dusts, can dust be removed by shoot door 1 usefulness instrument.Adopt 5,4 leatherleaf tubes 13 of 4 commercially available heat pipes in the present embodiment.Through test, be example with the utility model product RSC-35 type, but 100 to 120 square metres of areas of heating, 3 tons in year consumption coal saves about about 25% than general dual-purpose water heater.

Claims (4)

1, leatherleaf backrest type boiler, comprise furnace shell, kitchen range hole, burner hearth, described furnace shell is the furnace shell of strap clamp layer, in interlayer, be filled with recirculated water, it is characterized in that: described furnace shell comprises body of heater and furnace backrest, the bottom of furnace backrest tilts, the inner chamber of furnace backrest interlinks through being connected flue with the inner chamber of body of heater, the body of heater top has the kitchen range hole, inner chamber at furnace backrest is equipped with leatherleaf tube, the top of described leatherleaf tube communicates with the top interlayer of furnace backrest, and the interlayer of the tilting bottom of bottom and furnace backrest interlinks, and the place has shoot door at the furnace backrest face.

2, leatherleaf backrest type boiler according to claim 1, it is characterized in that: heat pipe is equipped with in the bottom at the furnace backrest face, and the top of described heat pipe is arranged in the interlayer of the bottom of furnace backrest face, and the bottom is arranged in and connects flue.

3, leatherleaf backrest type boiler according to claim 1 and 2 is characterized in that: in the interlayer of described furnace shell electric heater is housed.

4, leatherleaf backrest type boiler according to claim 1 and 2, it is characterized in that: described body of heater is cylindrical.

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