CN2303181Y

CN2303181Y - Heat pipe type domestic coal hot water stove

Info

Publication number: CN2303181Y
Application number: CN 97229669
Authority: CN
Inventors: 王同章; 王明德; 余志东
Original assignee: YONGTAI ENERGY SOURCE NEW EQUIPMENT CO Ltd ZHENGZHOU
Current assignee: YONGTAI ENERGY SOURCE NEW EQUIPMENT CO Ltd ZHENGZHOU
Priority date: 1997-10-17
Filing date: 1997-10-17
Publication date: 1999-01-06
Anticipated expiration: 2007-10-17

Abstract

The utility model relates to a heat pipe type domestic coal hot water stove. A water jacket 5 of a heat exchanger 1 is composed of the outer wall plate 23 of the water jacket, the inner wall plate 24 of the water jacket, the upper wall plate 25 of the water jacket and the lower wall plate 30 of the water jacket. The water jacket 5, the bottom plate 28 of the heat exchanger and the outer ring plate 29 of the heat exchanger form an annular flue 2 and a combustion chamber 17. A front and a back partition plates 27, 26 on the annular flue 2 form a smoke gas circulation opening 18. The upper end of a heat pipe 6 passes through the bottom plate 28 of the heat exchanger and the lower wall plate 30 of the water jacket and enters the water jacket 5. A middle section is positioned in the combustion chamber 17. The lower end of the heat pipe 6 extends out of the bottom plate 28 of the heat exchanger and is inserted around a stove tile 7 which forms a multi-eye combustion chamber 9. The heat pipe type domestic coal hot water stove utilizes heat superconductive heat pipe as a heat exchange element and has the advantage of high heat efficiency.

Description

Heat pipe-type residential coal combustion water heater

The utility model relates to a kind of family expenses energy device, particularly a kind of heat pipe-type residential coal combustion water heater.

The present domestic heating coal stove of China all be in family expenses cooking with on the basis of coal stove, install a heat exchanging water-jacket additional on stove top, directly the water in the heat exchanging water jacket is heated to needed temperature, with supply heating with hot water and life hot water.Because the layout of heat exchanging water-jacket's heating surface is subjected to the restriction of furnace construction, makes heat exchange efficiency lower.Some heating stove helps sheet with augmentation of heat transfer in the setting of water jacket fume side, but this method is not improved the heat exchange situation of back boiler at all, so the thermal efficiency of stove is still not high.

The purpose of this utility model is to utilize the flexibility of the hot superconductivity of heat pipe and layout and a kind of heat pipe-type residential coal combustion water heater of developing, it is not only simple in structure, easy to use, and the thermal efficiency that starts fast and stove is higher than present employed residential coal combustion water heater far away.

The utility model is achieved in that the main body of heat pipe-type residential coal combustion water heater comprises heat exchanger 1 and coal-fired chamber 9, wherein, the water leg 5 of heat exchanger 1 is by water-jacket outer wall plate 23, water jacket inside panel 24, water jacket wainscot 25 and water jacket lower wall panels 30 constitute, water-jacket outer wall plate 23 and heat exchanger outer ring plate 29 looping flues 2, on the annular flue 2 rear bulkhead 26 is arranged, preceding every 27, rear bulkhead 26 and preceding dividing plate 27 form flue gas recirculation mouth 18, be referred to as secondary furnace 17 on 9 tops, coal-fired chamber and water leg 5 formed spaces, between baffle plate 15 and tile 7, be fitted with the heat pipe 6 that is fixed on the heat exchanger 1, the upper end of heat pipe 6 passes heat exchanger base plate 28 and water jacket lower wall panels 30 enters water leg 5, the stage casing of heat pipe 6 is positioned at secondary furnace 17, the lower end of heat pipe 6 inserts in by heat exchanger base plate 28 around the tile 7, and tile 7 constitutes many coal-fired chambers 9.

The utility model can be achieved in that also the cross section of coal-fired chamber 9 is simple eye, or is eyes; Simple eye is circular, and eyes are the communication type dumbbell shape.

Good effect of the present utility model is:

1, this product uses heat pipe to do heat exchange element, and hot junction two parts of heat pipe are heated, the heat of a part for spreading out of by tile, and another part is the heat of high-temperature flue gas; The heat pipe epimere inserts in the water leg, can transmit feedwater to heat fast.

2, this product is made up of heat exchanger and combustion chamber two parts, and compact conformation is rationally distributed, is convenient to dismounting, and furnace insulation is effective, is particularly suitable for domestic heating and uses.

3, the flue of this product uses annular flue, and adopts dividing plate in the flue, and it can make flue gas flow around the water leg outer wall, and discharges out of the furnace after the abundant heat exchange of water leg, and the exhanst gas outlet temperature is low, heat energy utilization rate height.

4, this product structure is simple, and startup is fast and the thermal efficiency is high.

Fig. 1 is a front section view of the present utility model.

Fig. 2 is the A-A profile of the utility model Fig. 1.

Fig. 3 is the structural representation of the utility model heat exchanger.

Fig. 4 is the B-B profile of the utility model Fig. 3.

Wherein

1, heat exchanger 2, annular flue 3, furnace roof cover plate 4, bell

5, water leg 6, heat pipe 7, tile 8, insulation material

9, coal-fired chamber 10, ash bucket side plate 11, drop-bottom 12, stove leg

13, ash bucket 14, fire grate 15, baffle plate 16, furnace shell

17, secondary furnace 18, flue gas recirculation mouth 19, outlet pipe 20, outlet flue

21, water inlet pipe 22, ash discharging hole 23, water-jacket outer wall plate 24, water jacket inside panel

25, water jacket wainscot 26, rear bulkhead 27, preceding dividing plate 28, heat exchanger base plate

29, heat exchanger outer ring plate 30, water jacket lower wall panels 31, water jacket internal partition

The utility model is described in further detail below in conjunction with accompanying drawing.

As Fig. 1,2,3,4, shown in.The main body of this stove is made up of heat exchanger 1 and coal-fired chamber 9 two parts, heat exchanger 1 is contained on the coal-fired chamber 9, baffle plate 15 is used to support the weight of heat exchanger 1 and heat pipe 6 can well be absorbed heat, heat exchanger 1, the weight of coal-fired chamber 9 is passed to stove leg 12 by fire grate 14, ash bucket 13, and ash bucket 13 is made of ash bucket side plate 10 and drop-bottom 11.Insulation material 8 is equipped with in the outside of heat exchanger 1 and coal-fired chamber 9, and it can prevent that heat scatters and disappears, and has furnace shell 16 outside the insulation material 8.Furnace roof cover plate 3 and bell 4 are arranged at the top of furnace shell 16.Coal ash is discharged by the ash discharging hole 22 of furnace shell 16 bottoms; Flue gas is discharged by outlet flue 20.Water in the water leg 5 is from water inlet pipe 21 water inlets, by outlet pipe 19 water outlets.The water leg 5 of heat exchanger 1 is by water-jacket outer wall plate 23, water jacket inside panel 24, water jacket wainscot 25, water jacket lower wall panels 30 constitutes, heat exchanger outer ring plate 29, water-jacket outer wall plate 23 looping flues 2, in the annular flue 2 rear bulkhead 26 and preceding dividing plate 27 are arranged, rear bulkhead 26 and preceding dividing plate 27 interlace up and down, form flue gas recirculation mouth 18, flue gas is turned around to outlet flue 20 around annular flue 2, make the abundant heat exchange of flue gas, coal-fired chamber 9 is a secondary furnace 17 with water leg 5 formed spaces, is used for the fuel gas of flue gas is continued after-flame in this space.Some heat pipes 6 pass heat exchanger base plate 28 and water jacket lower wall panels 30 enters in the water leg 5, and this structure can make heat pipe 6 absorb heat quickly and efficiently, transmit heat and emit heat, has improved the exchange capability of heat of heat exchanger 1.The upper end of heat pipe 6 passes heat exchanger base plate 28 and water jacket lower wall panels 30 enters water leg 5, and the stage casing of heat pipe 6 is positioned at secondary furnace 17, and the lower end of heat pipe 6 inserts in by heat exchanger base plate 28 around the tile 7, and it can fully absorb the heat that coal-fired chamber 9 spreads out of.The heat that heat pipe 6 absorbs is passed to the water in the water leg 5, and water temperature is raise fast, and water jacket internal partition 31 is to prevent that the water in the water leg 5 from walking short circuit.How at the moment coal-fired chamber 9 can be simple eye, eyes or many, if for, communicate between it each eye, and the heat that can make each burning like this transmission and concentrate firepower, promotion mutually burns, and to improve coal-fired intensity, can also reduce the arrangement areas of coal-fired chamber 9.

As shown in Figure 1, 2 be a pair of tubular type residential coal combustion water heater of eying covetously, the coal-fired chamber 9 that the combustion parts of this stove has tile 7 to constitute, the cross sectional shape of coal-fired chamber 9 is for being communicated with dumbbell shape, it is tangent to make two circles with the diameter that is slightly larger than honeycomb briquette, tangent part communicates, and promptly constituting cross sectional shape is the coal-fired chamber 9 that eyes are communicated with dumbbell shape, and there is point type fire grate 14 lower end of coal-fired chamber 9, ash bucket 13 and ash discharging hole 22, ash discharging hole 22 not only can be removed broken lime-ash but also can be used for regulating air quantity.The upper end of coal-fired chamber 9 is secondary furnace 17 with the space of the water leg of heat exchanger 15 formation, its role is to make combustible in the flue gas at this further after-flame.Heat exchanging part has heat exchange water leg 5 and heat pipe 6 and water inlet pipe 21 and outlet pipe 19 formations, the water leg 5 of eyes stove is oval, evenly be furnished with some gravity type heat pipes 6 in the water leg 5, the bringing-up section of heat pipe 6 is inserted into 1/2 place in tile 7 outsides by secondary furnace 17, and the heat that heat pipe 6 can be absorbed simultaneously spread out of by tile 7 and the heat of high-temperature flue gas add the water among the hot water jacket 5.When stove was worked, honeycomb briquette was in coal-fired chamber 9 internal combustion, and combustion intensity can reach by the aperture of regulating ash discharging hole 22.The high-temperature flue gas that produces is by radiation and heat convection, after by heat pipe 6 most of heat being passed to water, enter annular flue 2 from flue gas recirculation mouth 18, after making the further heat exchange of outside heating surface of water leg 5 of flue gas and heat exchange, discharge through outlet flue 20, exhaust gas temperature generally is lower than 200 ℃, because heat pipe 6 can be passed to the heat of the heat that spreads out of by tile 7 and high-temperature flue gas rapidly the water in the water leg 5, makes water temperature rise to needed temperature very soon.Therefore not only the thermal efficiency is high but also the advantage that has quick heating, thermic load to be easy to regulate for this stove, is specially adapted to domestic heating and uses.

Claims

1, a kind of heat pipe-type residential coal combustion water heater, main body comprises heat exchanger 1 and coal-fired chamber 9, it is characterized in that: the water leg 5 of heat exchanger 1 is by water-jacket outer wall plate 23, water jacket inside panel 24, water jacket wainscot 25 and water jacket lower wall panels 30 constitute, water leg exterior panel 23 and heat exchanger outer ring plate 29 looping flues 2, on the annular flue 2 dividing plate 26 is arranged, 27, dividing plate 26,27 form flue gas recirculation mouth 18, coal-fired chamber 9 is a secondary furnace 17 with water leg 5 formed spaces, the upper end that is fixed on the heat pipe 6 on the heat exchanger 1 passes heat exchanger base plate 28 and water jacket lower wall panels 30 enters water leg 5, the stage casing of heat pipe 6 is positioned at secondary furnace 17, the lower end of heat pipe 6 inserts in by heat exchanger base plate 28 around the tile 7, and tile 7 constitutes the coal-fired chamber 9 of many communication types.

2, heat pipe-type residential coal combustion stove according to claim 1 is characterized in that: the cross section of coal-fired chamber 9 is an eyes communication type dumbbell shape.

3, heat pipe-type residential coal combustion stove according to claim 1 is characterized in that: heat pipe 6 is gravity type heat pipe.

4, heat pipe-type residential coal combustion stove according to claim 1 is characterized in that: insert in the water leg 5 upper end of heat pipe 6, and the lower end of heat pipe 6 is positioned at 1/2 place, the outside of secondary furnace 17 and tile 7.