CN2132948Y - Fin type stove having double cylinder - Google Patents

Abstract

The utility model relates to a fin type multi-purpose water stove with double liner, which belongs to a stove range. The utility model is used for cooking rice, boiling water, warming and bathing in a collective unit. The utility model is characterized in that the fin type multi-purpose water stove is composed of an iron casting stove grate, a water inlet pipe, a pollution discharging pipe, a water outlet, a stove body, a water level gauge, a steam discharging valve, a chimney, an outer liner, an inner liner, an upper connecting pipe, a lower connecting pipe, a water pipe stove grate, reinforcing plate rings of inner and outer liners, a porous dust removing annular pipe and a towering pipe, wherein, the outer liner is provided with an inner fin water jacket, and the inner liner is provided with an outer fin water jacket; the upper and the lower connecting pipes are used for connecting the inner and the outer liners. The utility model has the advantages of compact structure, large heated area, convenient processing, little coal consumption, no black smoke overflow, no environment pollution, high heat efficiency, etc.

Description

Fin type stove having double cylinder

A kind of pair of finned many waters stove of courage belongs to the cooking stove technical field that bakes fluid fuel, is mainly used in the steamed rice of collective unit, boils water, warms oneself and has a bath etc.

Boiler miscellaneous in prior art, cooking stove is a lot.With the utility model is akin vertical straight water pipe boiler arranged.This boiler combustion flame directly washes away flue, and high-temperature flue gas enters the straight water pipe group by smoke outlet tube, rotates a circle around down-comer, and to whole water pipes and the heating of upper and lower tube sheet, so heat-transfer effect is good, and the thermal efficiency is higher.But this boiler straight water pipe quantity is many, and welding capacity is big, the expanded joint easy to leak; Hot flue gas stream transversal flow straight water pipe group, the natural air exhaust resistance is big; Lower perforated plate top dust stratification is easy-clear not; Cigarette wall and smoke box sealing be difficulty; The manufacturing process complexity is difficult for processing; Rated power is excessive, and subsection uses uneconomical, thereby the scope of application is limited, and furnace temperature is low, can not burning inferior coal.

The purpose of this utility model is to provide a kind of compact conformation, heating surface area is big, easy to process, the consumption coal is few, sufficient combustion is over-emitting black exhaust not, free from environmental pollution, thermal efficiency height adopts the two courages finned many water stove of circle with the staggered suit of inside and outside courage of finned water jacket.

According to boiler work basic principle and technological requirement, subject matter at the prior art existence, basic design of the present utility model is: with known vertical straight water pipe boiler is that the basis is improved, promptly change original single flue, be inside and outside pair of courage, and with inner bag in addition fin and outer courage in fin, the straight water pipe group that the water jacket that constitutes behind the suit that intermeshes replacement is original, changing original brick baffle and smoke box structure is annular flue; Combustion system adopts water pipe furnace grate and the anti-furnace structure that burns of the dual fire grate of casting furnace grate.

The utility model is the improvement of known vertical straight water pipe boiler that the refractory brick of being used by body of heater, grey chamber, casting furnace grate, water inlet pipe, blow-off pipe, combustion chamber, block burner hearth, coal chamber, delivery port, water gage, whistle, exhaust steam valve, chimney and flue are formed, it is characterized in that the described pair of finned many waters stove of courage, the inner bag of the outer courage of band inner fin water jacket and the outer fin water jacket of band is housed in above-mentioned body of heater and at this inner bag inboard and outside a gusset plate circle is respectively arranged outside the courage, in case fin is shaken or temperature distortion; Above-mentioned inside and outside courage with the interlaced suit of fin water jacket and the formed above-mentioned coal chamber of water pipe furnace grate that welds together with it in inner bag bottom bottom by inside and outside courage under tube connector, inside and outside courage top then by inside and outside courage on tube connector be communicated with into two courages as a whole, below above-mentioned outer courage top, porous dedusting endless tube is housed, and its water inlet pipe end stretches out outside the body of heater, draw the running water flushing and remove in-furnace dust dirt so that be connected with running water pipe, gap between above-mentioned coal chamber and the outer courage bottom non-finned part is annular flue, wash away the fin water jacket in order to hot flue gas stream around entering smoke-box at the bottom of the coal chamber equably, between the above-mentioned inner bag top and the top of outer courage is annular smoke-outlet flue, and the top of above-mentioned outer courage is connected by impact tube and above-mentioned chimney.The inner bag of the outer courage of above-mentioned band inner fin water jacket and the outer fin water jacket of band, they with the fin water jacket for earlier respectively by the rectangle sheet material that stamps out the wide contour and rectangle tongue formula fin that upper and lower side opens wide, be welded into a fin interior after being rolled into tube separately, another fin two finned cylinders outside, this two staggered suits of cylinder fin then, each fin two end plates side weld up and down connect and the airtight water jacket that forms.The inner bag of the outer fin water jacket of above-mentioned band, one section not finned Cheng Jie Tou Yuan Cone bodily form is arranged at its top, one of the water pipe furnace grate of the coal chamber that this Jie Tou Yuan Cone body and above-mentioned formation inner bag bottom are above-mentioned is last, one down respectively with inner bag with the fin water jacket integrally welded.

Outstanding advantage of the present utility model is: compact conformation, reasonable in design, the heat transfer area of unit volume is big, hot flue gas stream enters smoke-box from annular flue, walks disturbance in the fin water jacket, cuts apart fusion, prolonged flue gas flow, increase the coefficient of heat transfer, improved the heat exchange effect, reduced exhaust gas temperature.The fin structure volume is little, and is in light weight, and weld seam is few, easily sealing; The fin water jacket is main heat-absorbent surface, plays a supportive role again, and intensity is higher; The flue gas flow resistance that makes progress is little, and the spontaneous combustion exhausting is good.Double-layer grate counter-burning type burning structure, coal combustion be over-emitting black exhaust not fully, and be free from environmental pollution.Dust arrester is arranged at the smoke-box top, and dedusting is convenient, and is simple in structure, is convenient to make and install.

Accompanying drawing 1 is one of the utility model most preferred embodiment overall structure vertical profile front elevational schematic, and Fig. 2 is Figure 1A-A cross section schematic top plan view.Grey chamber 1 among the figure, 2 casting furnace grates, 3 water inlet pipes, 4 blow-off pipes, 5 combustion chambers, 6 build the refractory brick that burner hearth is used, 7 water pipe furnace grates, tube connector under the 8 inside and outside courages, coal chambers 9,10 annular flues, the inner bag of the outer fin water jacket of 11 bands, 12 gusset plate circles, 13 delivery ports, the outer courage of 14 band inner fin water jackets, tube connector on the 15 inside and outside courages, 16 bodies of heater, 17 annular smoke-outlet flues, 18 porous dedusting endless tubes, 19 water gages, 20 impact tubes, 21 whistles, 22 exhaust steam valves, 23 chimneys.

In conjunction with the accompanying drawings the utility model course of work is summarized as follows: behind the 9 igniting coals of coal chamber, burn from top to bottom in the coal seam, the coal that comburant and part burn incompletely burns away until abundant after-flame from draining to combustion chamber 5 between the slit of water pipe furnace grate 7 together with lime-ash; The flame that burning produces is the bottom of inner bag 11 and the water heating in the water pipe furnace grate 7, and simultaneously hot flue gas stream concentrates on annular smoke-outlet flue 17 through impact tube 20 after entering smoke-box and wash away the fin water jacket along annular flue 10, discharges from chimney 23 at last.Because it is mobile that hot flue gas stream washes away, the water heat absorption in the fin water jacket heats up, and steam water interface upwards flows rapidly, and inner bag and outer courage inwall are heated few, and water temperature is low, than great, flows downward, and forms good Natural Circulation.Boiled water and so forth, blow whistle 21, can emit boiling water from delivery port 13; If when using vapour, can open exhaust steam valve 22 outside steam discharges.

In this embodiment, the outer courage 14 of band inner fin water jacket adopts the 3.5mm aluminium sheet to manufacture outer courage φ 520mm, high 1450mm, the long 850mm of fin, high 160mm, thick 18mm, spacing of fin 110mm; Be with the inner bag 11 of outer fin water jacket to adopt the 3.5mm aluminium sheet to manufacture inner bag φ 140mm, high 900mm, the long 850mm of fin, high 160mm, thick 18mm, spacing of fin 30mm; Gusset plate circle 12 adopts the processing of 2.5mm aluminium sheet, outer courage gusset plate circle φ 526mm, high 135mm, inner bag fixing collar φ 134mm, high 135mm; Porous dust removing tube 18 adopts 25 * 3(mm) seamless steel pipes to bend φ 450mm, and the water inlet pipe end stretches out body of heater 55mm, and dust removing tube has three layers of 1.3mm aperture towards the smoke-box sidetracking.All the other parts are identical with similar known technology standard component.

Change as present embodiment:

1, all available boiler plate of used aluminium sheet, tubing and seamless steel pipe replace;

2, body of heater overall dimensions and each parts corresponding size all can suitably change, to make series of products;

3, grey chamber can be with brick cement troweling;

4, the also available refractory cement of burner hearth refractory brick adds the aggregate troweling.

Claims (2)

1, a kind of pair of finned many waters stove of courage, by grey chamber 1, casting furnace grate 2, water inlet pipe 3, blow-off pipe 4, combustion chamber 5, build the refractory brick 6 that burner hearth is used, coal chamber 9, delivery port 13, body of heater 16, water gage 19, whistle 21, exhaust steam valve 22, chimney 23 and flue are formed, of the present utility modelly be characterised in that the described pair of finned many waters stove of courage, the inner bag 11 of fin water jacket outside the outer courage 14 of band inner fin water jacket and the band is housed in above-mentioned body of heater 16, and at this inner bag 11 inboard and outside courage 14 outsides gusset plate circle 12 is respectively arranged, above-mentioned inside and outside courage 11 and 14 with the interlaced suit of fin water jacket and inner bag 11 bottoms by water pipe furnace grate 7 formed above-mentioned 9 bottoms, coal chamber that weld together with it by inside and outside courage under tube connector 8, inside and outside courage top by inside and outside courage on tube connector 15 be communicated with into two courages as a whole, porous dedusting endless tube 18 is equipped with and its water inlet pipe end stretches out outside the body of heater 16 in courage 14 tops belows outside, gap between above-mentioned coal chamber 9 and the outer courage 14 bottom non-finned parts is annular flue 10, be annular smoke-outlet flue 17 between the top of above-mentioned inner bag 11 and the top of outer courage 14, the top of above-mentioned outer courage 14 is connected by impact tube 20 and above-mentioned chimney 23.

2, according to claim 1 pair of finned many waters stove of courage, it is characterized in that the outer courage 14 of above-mentioned band inner fin water jacket and the outer fin water jacket of band inner bag 11 they with the fin water jacket for being welded into a fin interior by stamping out after the wide contour and rectangle sheet material rectangle tongue formula fin that upper and lower side is unlimited is rolled into tube separately respectively earlier, another fin two finned cylinders outside, this two staggered suits of cylinder fin then, each fin two end plates side weld up and down connect and the sealed water jacket that forms; One section not finned Cheng Jie Tou Yuan Cone bodily form is arranged at inner bag 11 its tops of the outer fin water jacket of above-mentioned band, 7 one of the water pipe furnace grates of the coal chamber that this Jie Tou Yuan Cone body and above-mentioned formation inner bag bottom are above-mentioned are last, one down respectively with inner bag 11 with the fin water jacket integrally welded.

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