CN2077091U - Multipurpose domestic stove for cooking and heating - Google Patents

Abstract

The utility model relates to a domestic stove with a water heater whicih uses the solid fuel. The utility model is a multipurpose domestic stove which makes a simple gas stove generating a quantity of water gas when supplying the water steam for a hearth from the stove bottom and a simple heat supply stove utilizing the residual heat to heat the circulating water in a water jacket stove barrel be organically comnibed togehter. The characteristic of the multipurpose domestic stove for cooking and heating also comprises that a steam nozzle is arranged in an air pipe, and the air pipe mouth is arranged on the lower side of a grate which is closed by a water storage tank. The utility model has the advantages of reasonable and compact structure, high thermal efficiency, no coal sort requrement, reduced pollution, etc. The multipurpose domestic stove for cooking and heating can be widely applied to urban and rural families and small-scale collective residences.

Description

Multipurpose domestic stove for cooking and heating

The utility model relates to a kind of solid-fuelled domestic burners with hot water apparatus.

" a kind of time economy coal saving stove of self produced gas " disclosed in CN87204670U." providing a kind of being provided with to revolve hot toothed disc and windbreak, self produced gas, the time economy coal saving stove that the thermal efficiency is high " is provided.Constituting mainly is to set up spiral generating tube and generating tube end to be provided with mudhole and to place furnace body outer wall on hearth outer wall, and the water vapour in the generating tube sprays into coal reaction in honeycomb briquette hole and the burner hearth by the spray vapour dish grate under and can generate certain water-gas participation and burn.Weak point is: first and second ventilation duct cooling generating tube and burner hearth and reduce the raising that furnace temperature and waste heat utilization influence the thermal efficiency; Two, the interior insufficient efficiency of combustion that influences coal of oxygen supply of burner hearth because the air that the secondary ventiduct resistance makes furnace bottom enter is for a short time run away in a large number; Three, spray vapour dish is relative with the honeycomb briquette hole with jetted hole might be made the generating tube over-temp and over-pressure constitute danger by cinder, the live charcoal obstruction jetted hole that drops.

A kind of " the combustion-supporting coal fire cooking stove of service water " also disclosed in CN2033089U.Its objective is provides a kind of combustion-supporting stove of water spray that can use hot water at any time for washing.Formation is that the upper end of this pipe with spiral pipe is a water inlet at hearth outer wall coiling pipe with spiral pipe, and the lower end is a delivery port, a water spray arm in burner hearth is introduced in the water inlet.Weak point is that water pipe goes out to be unfavorable for thermal cycle under enterprising, sparge pipe and water inlet join be difficult to the vaporization and nozzle be positioned at the easy scaling loss of upper furnace and be unfavorable for that water carbon water generation reaction coal gas improves efficiency of combustion.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides cooking a meal of a kind of water jacket furnace barrel structure warm multipurpose efficient domestic burners.

The purpose of this utility model can realize by following structure:

Cook a meal and warm up the multipurpose efficient domestic burners, it is a kind of solid fuel of dosing, under grate, spray into the certain water vapour of burner hearth, make solid-fuelled coal in combustion process, generate certain water-gas with the water reaction, fully burn and the simple and easy gas generator of cooking with heat be provided in the combustion chamber that water-gas rises to upper furnace, this stove utilizes the waste heat of hearth wall to come recirculated water in heating water jacket's stove tube simultaneously, this water can be used to carry out warm water's washing, shower and heating, also can think a kind of simple and easy heat supply water heater, structure of the present utility model comprises square tube shape furnace shell, base, common grate on the base, round water jacket stove tube on the grate, the hot water outlet pipe of stove tube upper outside face and smoke evacuation tube, the cold water inlet of stove tube bottom lateral surface and high temperature can be provided, the steam raising plant of high-pressure water vapor, the bell dish and the ventilation of the sealed furnace shell at stove tube top and stove tube upper surface, steam supply, the inboard refractory heat-insulating wall that constitutes burner hearth of deslagging structure and stove tube, insulation filler and other annexes between the stove tube outside and the furnace shell inboard.Special feature of the present utility model is: above-mentioned steam raising plant is stretched into by the one side that adds the little water tank of water, is communicated with little water tank in the stove tube outside that stove tube inboard constitutes the sealing heated chamber of a part of hearth wall and the following spraying steam conduit in the heated chamber is formed, heated chamber can be provided with one, also can be symmetrically distributed two or five equilibrium are set distribute three or four; The following spout of steam lead is arranged in the blower of air blast, makes its water vapour send into burner hearth with air feed.If any two above heated chambers, the airduct of cooking a meal can be arranged to multichannel or loop so that water vapour and air feed can evenly be sent into burner hearth sufficiently; In order to make air feed and water vapour send into burner hearth more reliably, the furnace bottom sealing aqua storage tank that can support by the elevating mechanism of base bottom is set under grate; The furnace wall top that constitutes burner hearth is provided with the flame disk that can change at any time, and the center that is shaped as of flame disk has one than big hole, and all a plurality of small sircle holes distribute around the big hole.Upper furnace of the present utility model is that the top of flame disk is the gas burner.The smoke evacuation tube is arranged at the side of combustion chamber, and its cross sectional shape can be circle, ellipse or rectangle.The side of combustion chamber also can be provided with coal-filling hole and natural air feed hole.The sieve aperture shape kitchen range of cooking a meal also can be set on the top of bell dish, and the kitchen range side of cooking a meal is provided with the secondary smoke exhaust pipe.The bottom side also can be provided with the closed break hole that pokes fire under the stove tube.

The drawing of accompanying drawing is described as follows:

Fig. 1 is that the utility model specific embodiment is analysed and observe schematic front view.

Fig. 2 is the utility model specific embodiment broken section signal left view.

The utility model is described in further detail below in conjunction with specific embodiment shown in the accompanying drawing:

Furnace shell 1 is that the outside is amplexiformed steel plate and formed by the quadra of angle steel weldering system.The bottom of framework and base 19 crossbeam angle steel are welded as a whole.Entablature supporting its underpart of base 19 is provided with the plate-like plain cast iron fire bars grate 8 that protrudes cover 20.Assembling supporting cylindrical water jacket stove tube 2 on the grate 8.Stove tube 2 is to be welded by coaxial not isometrical steel plate tube end.The upper side of stove tube 2 has fills out the coal air vent and welds coal-filling hole road 17 and exhaust smoke hole and weld smoke exhaust pipe 4, is provided with flue door 21 in the smoke exhaust pipe 4.In the stove tube 2, lower side has the heated chamber hole and the break hole and weld its duct 18 of poking fire, the upper outside of stove tube 2 is provided with the hot water supply outlet pipe 3 of exportable furnace shell 1 outside that is communicated with stove tube 2 water-jacket spaces.The outside, the bottom of stove tube 2 be provided with is communicated with stove tube 2 water-jacket spaces can treat hot water inlet pipe 5 by the furnace shell 1 outside cold water of importing.The top of the top of stove tube 2 and furnace shell 1 is provided with bell dish 7.In the heated chamber hole of stove tube 2, be equipped with the heated chamber 10 that stretches in the stove tube 2, be provided with the steam lead 11 that leads to below the grate 8 in the heated chamber 10.The outside, bottom of heated chamber 10 is provided with water supply conduit and is communicated with little water tank 9 bottoms of stove tube 2 lateral surfaces.Furnace shell 1 outside that extends to of little water tank 9 is provided with and fills out water box and water level meter 22.The following spout of steam lead 11 is arranged in the blower 13 of the air blast 12 below the grate 8.Be that grate 8 protrudes cover 20 inboards below the corresponding grate 8 in the air port of blower 13.Be fixed with connecting rod elevating mechanism (or claiming support) 14 on the sill of base 19.Its internal diameter of top placement of elevating mechanism 14 can overlap the aqua storage tank 15 at the bottom of 20 external diameters cooperate closed furnace with the protrusion below the grate 8.The middle and lower part inwall of stove tube 2 is built fire resistant heat preserving furnace lining 23, and furnace lining 23 inner chambers constitute burner hearth, and heated chamber 10 stretches into the part in the stove tube 2, and the part of the side formation hearth wall of refractory slab is posted in its outside.The furnace lining 23 outer removable flame disks 16 that are provided with suitable for reading.Big less fire jetting hole on every side in the middle of flame disk 16 is provided with.Flame disk 16 constitutes the gas burner with stove tube 2.

The utility model has following advantage compared to existing technology:

1. organically Simple gas generator and heat supply water heater are combined as a whole, thereby have improved the thermal efficiency of fuel economy and cooking stove. Its thermal efficiency can reach more than 90% after measured, and effect of coal saving is remarkable, and one hour consumption mark of every stove coal is not more than 0.5 kilogram.

2. because burner hearth feeds sufficient air and high-temperature water vapor, improve burning condition, can all can fully burn to coal dust, coal briquette, coal alkali stone, anthracite, bituminous coal and coke etc., improved the adaptability of cooking stove to fuel.

3. the combustion chamber provides gas burner, improves cooking efficient, reduces dust content and pernicious gas content to reduce air pollution.

4. furnace bottom tank sealing, the slag that contains a large amount of waste heats can reproduce coal gas and water vapour in tank, and can absorb slag dust to keep environmental sanitation.The utility model can be widely applicable for town-dweller-rural-family and away from central heating, the small-scale collective shelter that gives gas.Being particularly useful for the small towns area of heat-supply service is in cooking, bathing and the heating equipment of 60～100 square metres, five mouthfuls people left and right sides families.

Claims (1)

1, cook a meal and warm up the multipurpose efficient domestic burners, comprise furnace shell 1, water jacket furnace tube 2, the hot water outlet pipe 3 of stove tube 2 upper outside faces and smoke evacuation tube 4, the cold water inlet 5 of stove tube 2 bottom lateral surfaces and steam raising plant 6, the bell dish 7 at stove tube 2 tops, the grate 8 of bottom and ventilation, steam supply, deslagging structure and other are fire-resistant, insulation construction and annex, it is characterized in that steam raising plant 6 is by the outer little water tank 9 of stove, one side stretches into the sealing heated chamber 10 and the following spraying steam conduit in the heated chamber 10 11 of stove tube inboard and forms, the following spout of steam lead 11 is arranged in the airduct 13 of blower fan 12, and being provided with below the grate 8 can be by the furnace bottom sealing flume 15 of elevating mechanism 14 supportings.

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