CN100458288C

CN100458288C - Oil and gas combustion special-shaped kitchen range

Info

Publication number: CN100458288C
Application number: CNB2007100656646A
Authority: CN
Inventors: 绳以健; 苏晓飞; 张焕梅; 雷春城; 吕昭信; 张春鲜
Original assignee: YUNNAN AERONAUTIC ELECTRIC APPLIANCE CO Ltd
Current assignee: YUNNAN AEROSPACE INDUSTRY CO LTD
Priority date: 2007-02-12
Filing date: 2007-02-12
Publication date: 2009-02-04
Anticipated expiration: 2027-02-12
Also published as: CN101012940A

Abstract

A fuel-gas special furnace comprises a special hearth and an energy-saving element at the lower part of hearth. The side of energy-saving element has an interlayer hollow part, and while it is connected with the burning cylinder, the interlayer hollow part is communicated with the air outlet of burning cylinder. The center of bottom plate of furnace element is fixed with a guider for balling the air along the bottom plate and guiding the air upwards. The upper part of hearth is arranged with an upper water sheath, while the lower part is arranged with a lower water sheath. The upper water sheath contains an upper smoke channel, and the lower water sheath contains a lower smoke channel, while the upper and lower smoke channels are communicated. The upper smoke channel is communicated with the chimney. Part of upper smoke channel is extruded outside the upper water sheath, with a smoke inlet toward to the hearth. The invention can burn fuel laminated, while the flame is uniform in the hearth, with small structure.

Description

Oil and gas combustion special-shaped kitchen range

Technical field

The invention belongs to the Thermal Equipment technical field.

Background technology

The unit of having a dinner of group, as the open-air cooking stove of office, school, hotel, dining car and army, major part is that major and minor food cooking stove independently is provided with heating source respectively and carries out food processing, and this structure exists energy utilization rate low, equipment volume is big, the shortcoming that the food processing amount is little.

Summary of the invention

The objective of the invention is to solve the deficiency that existing cooking stove exists, a kind of oil and gas combustion special-shaped kitchen range is provided, can adopt a heating source to carry out major and minor food processing simultaneously, also can independently process staple food or non-staple foodstuff, thermal efficiency height, facility compact volume are little.

The invention is characterized in the energy conserving furnace core that comprises special-shaped burner hearth and be positioned at special-shaped burner hearth bottom:

(1), the structure of energy conserving furnace core be sidewall some for the interlayer hollow structure, the top seal of the hollow space that said interlayer has and bottom-open, offer the through hole that docks with the combustion barrel outlet of burner at said hollow space, when interlayer hollow space after connecting combustion barrel is communicated with the air outlet of combustion barrel, being fastened with one in combustion chamber base plate central authorities can stop along the base plate flow air and with the guider that its guiding is upwards flowed, be provided with the drop in leaf that can close and open on the opposite side wall of said through hole;

(2), the structure of special-shaped burner hearth is that top is provided with upper water sleeve, upper water sleeve is provided with steam (vapor) outlet, the bottom is provided with lower water jacket by a side of energy conserving furnace core drop in leaf, have the through hole that can allow the combustion barrel of burner pass with the correspondence position of said through hole on the energy conserving furnace core, upper water sleeve and lower water jacket are connected as a single entity, be provided with upper flue in the upper water sleeve, be provided with lower flue in the lower water jacket, upper flue is communicated with lower flue, upper flue is communicated with chimney, the combustion chamber cavity was communicated with lower flue when drop in leaf was opened, upper flue some to stretch out upper water sleeve outer and have a gas approach in burner hearth.

Operation principle of the present invention: when needing to use big fire, a part of wind that the burner combustion tube is sent flows downwards and along the combustion chamber base plate along combustion chamber sidewall interlayer hollow space, stopped by the guider of combustion chamber base plate central authorities and guide upwards and flow, form the ejection of secondary wind booster burners flame, simultaneously flame direction is changed into vertically upward by level, make at the bottom of the even heating kettle of flame.Flame and high-temperature flue gas from bottom to top circulate, and at the bottom of many circulations heating kettle and burner hearth, make the bottom of a pan thermally equivalent under closed state.The heat that burner hearth absorbs is used for the water of heating furnace water jacket, makes water generates steam processing staple food.High-temperature flue gas is utilized the waste heat in the flue gas by being embedded in the flue water among the heating water jacket once more in the hearth water sleeve once more, greatly reduces the chimney emission temperature.When needs use little fire, as long as the air outlet of combustion barrel and being communicated with of combustion chamber interlayer hollow space are closed, open drop in leaf, just going out from drop in leaf, the flame of burner ejection enters lower flue, and at the bottom of the waste heat heating kettle of flame in combustion chamber, play little fire action.Under the little fiery state, not only can not reduce the quantity of steam of generation, the quantity of steam of generation increases on the contrary.

Beneficial effect of the present invention: with the organic joint of design feature of common cooking kitchen range and smaller hard flour pancake boiler, waste heat boiler, realized special-shaped chpn sealing burning, the jacket structure for water of burner hearth setting has strengthened heating surface (area) (HS, and more traditional burner hearth has improved the unit interval heat and effectively utilized degree.Flame evenly flows in burner hearth, the reasonable distribution heating load.Heating furnace when giving the heating of non-staple foodstuff pot, the steam that burner hearth produces offers steam box and steams staple food, has finished the integrated processing of major and minor food, has realized that the heat energy stage construction absorbs, and has reached object of energy saving.The compact conformation volume is little in addition, and the food processing amount is big, and easy to operate labour intensity is low.

Description of drawings

Fig. 1 looks cross-sectional view for the master of combustion chamber among the embodiment.

Fig. 2 looks cross-sectional view for the master of burner hearth among the embodiment.

Master when Fig. 3 is used in the big fire state for embodiment looks cross-sectional view.

Master during little fiery state looks cross-sectional view to Fig. 4 for embodiment is used in.

Fig. 5 is the schematic perspective view of the interior guider of combustion chamber among the embodiment.

Fig. 6 is the main TV structure schematic diagram (band part section) of burner combustion tube among Fig. 3 and Fig. 4.

The specific embodiment

Embodiment: see Fig. 1～6.Some interlayer hollow structure of combustion chamber sidewall that the top is uncovered for constituting by inwall 1 and shell 2.The top of this interlayer hollow space is bottom-open by top board 3 sealings.Offer the through hole 6 that can dock at this interlayer hollow space, when the through hole 7 (be air outlet, concrete structure is described as follows) to interlayer hollow space after connecting combustion barrel 5 and combustion barrel is communicated with combustion barrel 5 outlets of burner 4.Be fastened with one in combustion chamber base plate 10 central authorities and can stop along the base plate flow air and guider 8 that its guiding is upwards flowed that this guider 8 is hollow form, has six inner sunken faces.The opposite side wall of through hole 6 is provided with the drop in leaf 9 that can close and open.11 is the linkage that manipulation activities turnover panel 9 opens and closes.The wind that the through hole 7 of spontaneous combustion tube 5 is sent flows downwards and along combustion chamber base plate 10 along sidewall interlayer hollow space, stopped by the guider 8 of combustion chamber base plate central authorities and guide upwards and flow, form the ejection of secondary wind 12 booster burners flame, simultaneously flame direction is changed into vertically upward by level, make at the bottom of the flame 13 even heating kettles.

The burner combustion barrel 5 that present embodiment uses the patent applicant to make.Combustion barrel 5 includes urceolus 14 and inner core 15 (see figure 6)s that can longitudinally slide relatively.The outer wall of the inwall of urceolus 14 and inner core 15 is close to, and urceolus 14 walls are provided with a plurality of rectangular through holes 7; Also be provided with a plurality of rectangular through holes on inner core 15 walls, the through hole on inner core 15 walls be can't see because of being hidden by urceolus in the drawings.The rear end of inner core 15 and model are that the fuel nozzle ports and the air port of the traditional horizontal burner 4 of RIELL 40 series is communicated with.The front end of urceolus 14 docks with through hole 6.When inner core 15 relative to urceolus 14 move, through hole and the through hole 7 on urceolus 14 walls on inner core 15 walls staggers fully, when these through holes are closed, the wind that burner 4 comes out can not flow out by the through hole on inner core 15 and urceolus 14 walls, does not carry out air quantity and distributes.When inner core 15 moves relative to urceolus 14, through hole 7 on through hole on inner core 15 walls and urceolus 14 walls does not stagger fully, when thereby the throughhole portions on the inside and outside tube wall surface connects, some can flow out the wind that burner 4 comes out by the through hole on inner core 15 and urceolus 14 walls, carries out air quantity and distributes.By move regulating the relative position of inner/outer tube, then the area that connects mutually of the through hole on inner core 15 and urceolus 14 walls changes thereupon, and the air distribution ratio also changes.When needs use little fire, through hole on inner core 15 walls and the through hole on urceolus 14 walls are staggered fully, open drop in leaf 9 with linkage 11, the flame 16 of burner ejection is just gone out from combustion chamber and is entered lower flue 20, and at the bottom of the waste heat heating kettle of flame 16 in combustion chamber, play little fire action.

The structure of special-shaped burner hearth is that top is provided with upper water sleeve 17, and the bottom is provided with lower water jacket 18 by energy conserving furnace core drop in leaf 9 one sides, and lower water jacket 18 is approximately around 270 degree.Have the through hole 21 that can allow the combustion barrel 5 of burner 4 pass with 6 correspondence positions of through hole on the energy conserving furnace core.Upper water sleeve 17 is connected as a single entity with lower water jacket 18.Be provided with upper flue 19 in the upper water sleeve 17, be provided with lower flue 20 in the lower water jacket 18, upper flue 19 is communicated with (cutaway view does not cut open and is communicated with the position) with lower flue 20.Upper flue 17 is communicated with chimney 25.Some stretches out upper flue 19 outside the upper water sleeve 17, has the gas approach 24 in burner hearth.The combustion chamber cavity was communicated with lower flue 20 because of opening 22 is arranged when drop in leaf 9 was opened.23 is the base plate of burner hearth.

Only the present invention is described further for above embodiment, and scope of the present invention is not subjected to the limitation of illustrated embodiment.

Claims

1, a kind of oil and gas combustion special-shaped kitchen range, the energy conserving furnace core that it is characterized in that comprising special-shaped burner hearth He be positioned at special-shaped burner hearth bottom:

2,, it is characterized in that guider (8) is hollow form, has six inner sunken faces as the said oil and gas combustion special-shaped kitchen range of claim 1.