CN2218902Y - Coal burning air heat exchanger - Google Patents

Abstract

The utility model discloses a briquette burning air heat exchanger attached with a hot water device, comprising a combustion system composed of a base supporting case, a heat preservation base, a fire grate, an internal furnace and a heat preservation layer, a heat exchange system composed of a fire collecting ring, a heat radiation cover cap, a heat exchanger, a hot water tank and a ventilating fan, a shutter cover, an ash bucket, a case and a base. The utility model has the advantages of energy saving, no environmental pollination, fast and even temperature rise, convenient operation, high safety, beautiful appearance and high proportion of functions and fabricating cost.

Description

Coal-fired air heat exchanger

The utility model is a kind of air heat exchanger with hot water apparatus of briquet.

At present, China's winter heating mainly contains electric air conditioner, electric heating device, Boiler Steam and several modes such as boiler hot-water heating, coal stove.Electric heating equipment price height, power consumption are big, and China's electric power is also relatively more nervous, so promote the use of not extensive.The heating of boiler steam or hot-water heating is applicable to the centralized residence zone, and the investment of boiler and pipeline, operation, maintenance cost are big, and the heating requirement of incompatibility scattered settlement condition is used also to be restricted.What people's heating use was maximum is coal stove.Existing coal heating stove mostly is hot-water heating stove and iron-casting heating stove greatly.The hot-water heating stove generally all has body of heater, combustion chamber, hot water jacket, water inlet pipe and water outlet pipe and radiator etc., and cost is higher, troublesome poeration.Generally by body of heater and smoke pipe heat radiation heating, the thermal efficiency is low for iron-casting heating stove, and energy-saving effect is undesirable.Be that hot-water heating stove or iron-casting heating stove all exist slow, the uneven defective of room temperature of heating intensification.On the other hand, in today that people pursue the beautification of the environment, decorative beauty, the moulding pattern of traditional existing coal heating stove, the technology that falls behind, simple function have not satisfied people's requirement.

The purpose of this utility model be to provide a kind of energy-conservation, sanitation and hygiene are free from environmental pollution, whole quick heating, coal-burning air heat exchanger easy to operate, safe in utilization, aesthetic in appearance.

The utility model is made up of pedestal 1, shell 12, drawer type ash bucket 3, louver curtain 7, combustion system and heat-exchange system.As shown in Figure 1, in the combustion system; Base holder case 2 is fixed on the pedestal 1, insulation base 19 is in the lower space of base holder case 2, sealant 5 is on insulation base 19, the movable grate 18 of draw and insert-type is between insulation base 19 and sealant 5, heat-insulation layer 6 is on sealant 5, on heat-insulation layer 6, also has a sealant 5, on the movable grate 18 of draw and insert-type, the tilting flue 17 that the disjunctor moulding of axially-aligned is arranged of sealant 5 and heat-insulation layer 6 hollow parts.In the heat-exchange system; Fire-collection ring 8 is positioned at the upper end of flue 17, its fire hole matches with shroud 9, its smoke hole matches with heat exchanger 11 bottoms, the cooperation place is filled with heat-resisting cementing agent 16, heat exchanger 11 is made up of the smoke pipe bundle of bottom and the smoke chamber on top, smoke chamber and external chimney (non-the utility model content, do not draw) communicate, also be provided with boiler 10 in the both sides, top, be communicated with by the communicating pipe 10b that imbeds in the top seal layer 5, uncovered gland steam exhauster 13 is arranged at boiler 10 tops, at the back side, top ventilating fan 15 is housed.

The operation of combustion system is achieved in that the fire door mouth on the base holder case 2 is in open position, and wind and the secondary wind that needs is provided for burning.Insulation base 19, sealant 5, heat-insulation layer 6 play the heat-insulation and heat-preservation effect, guarantee in the flue 17 the coals required hot conditions of fully burning.The flue 17 of disjunctor can form the cohort burning form of moulded coal, with the secondary air duct of the symmetrical distribution of flue 17 one be the high-temperature flue gas supplemental oxygen of flue 17 upper ends, the more abundant pernicious gas that can reduce in a large number again in the flue gas of burning is overflowed to the pollution of atmospheric environment.Waste gas that produces in the combustion process and heating zone are isolated, and have greatly improved the security of coal-fired heating.When need unload ash drawer type ash bucket 3 is pushed, twitch grate 18, lime-ash breaks away from fire coal and falls in insulation base 19 cavitys, enters in the drawer type ash bucket 3, inserts grate 18 then.The ash that unloads under this closed state has reduced the pollution of dust to indoor environment widely.When needing coal, its underpart is turned down with the louver cover 7 that the front panel of shell 12 is connected with hinge 22, taken off shroud 9, coal easily with fire tongs.

When the operation of heat-exchange system was achieved in that coal combustion, flame and high-temperature flue gas washed away shroud 9 through fire-collection ring 8, enter the smoke pipe bundle and the smoke chamber of heat exchanger 11 then, discharged outdoor through external chimney.Shroud 9 washes away down a large amount of heat absorptions at the flame of knowing heat and high-temperature flue gas, by its curved surface fin and lid heat radiation.High-temperature flue gas enters the smoke pipe bundle and the smoke chamber of heat exchanger 11 in the combustion system under the guiding of fire-collection ring 8 and heat dissipating housing 9, wall heat absorption heat radiation simultaneously.Cold air outside the system enters through the air inlet of last backboard 14, the smoke pipe wall and the flue gas locular wall that at first wash away heat exchanger 11 carry out heat exchange, pass the spherical crown lid of vertically arranging on shroud 9 tops in curved surface fin slit and long garden then again and carry out the heat exchange second time.Cold air also receives a part of radiant heat in heat convection, like this through the hot-air after the heat absorption repeatedly at last by louver cover 7 and shell 12 tops to discharge orifice row to indoor, room temperature is raise rapidly reaches the purpose of heating.Louver cover 7 is made of the top that is mutually certain angle and panel two parts, and its faceplate part becomes the angle less than 180 ° again with the panel of shell 12.The gland steam exhauster 13 on the top of boiler 10 communicates with room air, purpose is to improve the heat energy utilization rate, in supply boiling water (hot water), gland steam exhauster 13 energy discharge section water vapours make the heating environment more meet the needs of Human Physiology to regulate the humidity of room air.Heat exchange method can adopt heat transfer free convection or ventilating fan 15 air draft forced-convection heat transfers.Adopt forced-convection heat transfer that room temperature is evenly raise fast, strengthen the heating effect.

The utility model is compared with existing heating equipment has following advantage: energy-conservation, sanitation and hygiene are free from environmental pollution, heating quick heating, temperature are even, easy to operate, safe in utilization, harmonious unification has been accomplished by function and cost ratio height, better function and external form U.S.A.

Accompanying drawing 1 is an internal structure profile of the present utility model, and attached is that A is to view as 2.The 1st, pedestal, the 4th, stove face plate, 21 taps.

Embodiment of the present utility model is: the long 450mm of appearance and size (two burner hearths) * wide by 500 (comprising ventilating fan) * high 480mm (comprising the blast pipe height), 45 kilograms of gross weights, shell 12 usefulness 0.6mm thin plate flangings are welded into, its front panel two lateral edges adopt R25 garden arc transition, and front panel becomes 8 ° of inclination angles with vertical.The front panel of drawer type ash bucket 3 panels and shell 12 is made with the 1mm steel plate in same plane, and other face is made with the 0.6mm thin plate.Louver cover 7 usefulness 0.3mm and the 0.8mm sheet stamping be welded into, become 162 ° of angles with the front panel of shell 12.Last backboard 14 usefulness 0.6mm thin plates are washed into, and the air inlet of φ 200mm is arranged on it, and ventilating fan 15 is contained on the backboard 14.Base holder case 2 usefulness 0.6mm and 0.8mm thin plate are made, and make fire door mouth and grate guide pin bushing on its panel, the insulation base 19 that has insulation material to make in it.The flue 17 usefulness refractory materials of disjunctor moulding are made, and high 285mm can be put four layers of honeycomb briquet.The movable grate 18 of draw and insert-type is made by cast iron and φ 14mm garden steel.Fire-collection ring 8 castings.Each part of heat-exchange system all adopts industrial enamel technology to carry out interior external enamel coating to improve corrosion resistance.Shell 12 plastic-blastings are handled and are strengthened surface decoration effect.

Claims (4)

1, a kind of air heat exchanger with hot water apparatus of briquet comprises pedestal (1), shell (12), drawer type ash bucket (3), louver cover (7), combustion system and heat-exchange system, it is characterized in that: in the combustion system, base holder case (2) is fixed on the pedestal (1), insulation base (19) is in the lower space of base holder case (2), sealant (5) is on insulation base (19), the movable grate of draw and insert-type (18) is between insulation base (19) and sealant (5), heat-insulation layer (6) is on sealant (5), go up a sealant (5) in addition at heat-insulation layer (6), on grate (18), the tilting flue (17) that the disjunctor moulding of axially-aligned is arranged in sealant (5) and heat-insulation layer (6) hollow part; In the heat-exchange system, fire-collection ring (8) is positioned at the upper end of flue (17), its fire hole matches with shroud (9), its smoke hole matches with heat exchanger (11) bottom, the cooperation place is filled with heat-resisting cementing agent (16), heat exchanger (11) is made up of the smoke pipe bundle of bottom and the smoke chamber on top, smoke chamber communicates with external chimney, also be provided with boiler (10) in the both sides, top, by being communicated with the communicating pipe of imbedding in the top seal layer (5) (10b), uncovered gland steam exhauster (13) is arranged at boiler (10) top, and ventilating fan (15) is housed at the back side, top.

2, air heat exchanger as claimed in claim 1 is characterized in that on disjunctor moulding flue (17) the courage wall secondary air duct being arranged.

3, air heat exchanger as claimed in claim 1 is characterized in that shroud (9) is made up of lid and fin.

4, air heat exchanger as claimed in claim 1 is characterized in that louver cover (7) is made of the top that is mutually certain angle and panel two parts, and its faceplate part becomes the angle less than 180 ° with the panel of shell (12).Louver cover (7) is connected with hinge (22) with shell (12) panel, and the top board upper punch of shell (12) has the hot-air convection hole.

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