CN2208663Y

CN2208663Y - Pollution-free boiler

Info

Publication number: CN2208663Y
Application number: CN 94224607
Authority: CN
Inventors: 于小乐; 李海燕
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-26
Filing date: 1994-07-26
Publication date: 1995-09-27
Anticipated expiration: 2004-07-26

Abstract

The utility model relates to a pollution-free boiler which is composed of a boiler body composed of a boiler shell and a fireproofing material in the boiler shell, a grate and a smoke abatement wall used for dividing a hearth circled by the boiler body in the boiler shell into two auxiliary hearths which are an inverse combustion hearth and a positive combustion hearth. The back part of the boiler is provided with a heat exchange chamber which is composed of a heat exchange chamber shell and a heat insulating layer and a fire resistant layer, which are arranged in the heat exchange shell. A heat exchanger composed of an upper drum, a lower drum, a convection tube bundle which communicates the upper drum and the lower drum and a water cooled wall is arranged in the heat exchange chamber, and then the utility model has the advantages of full combustion of fuel, simple structure, low cost, high heat efficiency, minimal discharge concentration of dust, environment protection, small heat loss and energy saving.

Description

Pollution-free boiler

The utility model relates to a kind of boiler, particularly a kind of smokelessly pollution-free efficiently boiler.

Existing boiler, its " stove " mostly is pure burning stove, such boiler, fuel combustion is incomplete, the thermal efficiency is low, smoke density is big, environmental pollution is serious because fuel can not get burning fully in its stove hall, also because its flue gas heat exchange path is short, boiler drum/shell exposes heat loss big, waste energy.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of smokelessly pollution-free efficiently boiler is provided.

The purpose of this utility model can realize by such technical scheme: this smokelessly pollution-free efficiently boiler, the smoke elimination wall that body of heater, the fire grate that its " stove " is made of the refractory material in furnace shell, the furnace shell, the stove hall that is used for that the body of heater in the furnace shell is surrounded are separated into two sub-stove halls of anti-burning-just burning constitutes, fire grate bottom is provided with ashpit, the bottom of the back-fire stove hearth that constitutes communicate with positive furnace hearth thereafter and have on fuel mouth, side and send the carbon mouth, poke fire on the positive furnace hearth of formation has/breast hole and the pyrotechnics mouth on the upper side wall thereafter; Its " stove " rear portion is provided with by the heat-insulation layer in Heat Room shell and the Heat Room shell, Heat Room that flame retardant coating constitutes, the top of Heat Room is provided with flue gas mouth, following side the pyrotechnics mouth that the pyrotechnics mouth on the back upper side wall with the positive furnace hearth of its " stove " communicates is set, and setting is by the convection bank of lower drum in upper drum, lower drum, the connection and the heat exchanger that water-cooling wall constitutes in the Heat Room.

Above-mentioned pollution-free boiler, also be provided with between lower drum on the heat exchanger in its Heat Room some be used for on Heat Room between lower drum be set to "

" deflection plate of shape passage.

Above-mentioned pollution-free boiler, can also be equipped with in the face body of heater before the stove hall of its " stove " in the Lu Tang both sides body of heater of water jacket, its " stove " and can also be equipped with water cooling tube, the water cooling tube of setting in the Lu Tang both sides body of heater by the water jacket of setting in the face body of heater before the stove hall of its " stove " and its " stove " constitutes the body of heater heat-collecting device of its " stove ".

Above-mentioned pollution-free boiler, can also dispose water supply tank, the automatic division box of installing on the upper drum of boiled water tank and heat exchange indoor heat exchanger and constitute can be continuously for the water boiler of boiling water, be provided with the level controling floating ball valve in the water supply tank of configuration, the bottom of water supply tank is communicated with by the lower drum of check-valves with the heat exchange indoor heat exchanger, the main water delivery/blast pipe in boiled water tank and the upper drum that is inserted the heat exchange indoor heat exchanger by the lower end, the total water-supply-pipe that is communicated with main water delivery/blast pipe, the secondary water-supply-pipe that in the upper drum of heat exchange indoor heat exchanger and upper end is communicated with total water-supply-pipe is inserted in the lower end, be contained in band water seal bucket that the main water delivery/blast pipe in the upper drum in the upper drum of heat exchange indoor heat exchanger and that insert the heat exchange indoor heat exchanger is communicated with " " total water-supply-pipe of the automatic division box that constitutes of shape water sealing (sealing water) pipe is communicated with, the bottom of boiled water tank is provided with the boiling water valve.

Pollution-free boiler provided by the utility model, simple in structure, cost is low, fuel passes through the abundant burning of back-fire stove hearth and positive furnace hearth in its " stove ", generate carbon dioxide and just wash away the interior heat exchanger of its " stove " rear portion Heat Room by the pyrotechnics mouth on the upper side wall behind its " stove " positive furnace hearth, the flue gas mouth that is provided with from Heat Room top is discharged again, compared with prior art: have that fuel combustion is complete, the thermal efficiency is high, dust emission concentration is minimum, environmentally safe, heat loss are little, the advantage of energy savings.

Below in conjunction with embodiment and accompanying drawing thereof the utility model is described in further detail:

The front view of the pollution-free boiler that Fig. 1 is provided for the utility model embodiment.

Fig. 2 is the A-A cutaway view of Fig. 1.

Fig. 3 is the B-B cutaway view of Fig. 1.

Fig. 4 is the C-C cutaway view of Fig. 3.

With reference to accompanying drawing, the pollution-free boiler that the utility model embodiment is provided belongs to a kind of free of contamination automatic control and divides the water water boiler, it is a kind of smokeless water boiler that can supply boiling water efficiently continuously, this boiler, its " stove " is by furnace shell 30, the prefabricated body of heater 31 of refractory concrete in the furnace shell 30, fire grate front-axle beam 35, the fire grate back rest 37, fire grate 36, be used for the stove hall that the bodies of heater 31 in the furnace shell 30 surround is separated into two sub-stove halls (39 of anti-burning-just burning, 42) the smoke elimination wall 40 that refractory concrete is prefabricated, the water cooling tube 41 that is provided with in the smoke elimination wall 40, the body of heater heat-collecting device that the water cooling tube 57 of setting in the water jacket 32 of setting in the face body of heater before the stove hall of its " stove " and the Lu Tang both sides body of heater of its " stove " constitutes constitutes, the bottom of fire grate 36 is provided with the ashpit 38 of band ash door 34, the bottom of the back-fire stove hearth 39 that constitutes communicate with positive furnace hearth 42 thereafter and have on fuel mouth 28, dispose the stifled secondary blast hole of steel plug, side is sent charcoal mouth 33, pokes fire on the positive furnace hearth 42 of formation has/breast hole 27 and the pyrotechnics mouth 43 on the upper side wall thereafter; The rear portion of its " stove " is provided with by the heat-insulation layer 11 in Heat Room shell 10 and the Heat Room shell 10, the Heat Room that flame retardant coating 12 constitutes, the top of Heat Room is provided with flue gas mouth 17, following side the pyrotechnics mouth that the pyrotechnics mouth 43 on the back upper side wall with the positive furnace hearth 42 of its " stove " communicates is set, be provided with in the Heat Room by the convection bank 8 of lower drum in upper drum 13, lower drum 1, connections and the heat exchanger that water-cooling wall 7 constitutes, be provided with some between the last lower drum (13,1) of the heat exchanger that Heat Room is interior and be used for the Heat Room between last lower drum (13,1) is set to "

" deflection plate 9 of shape passage; Have moisturizing/boiler 48 and three boiled water tanks (45,25,50), when level controling floating ball valve 55(use is set in moisturizing/boiler 48, be communicated with the moisturizing pipeline), the down-comer (boiling water insulating tube) 44 that is communicated with the last lower drum of the interior heat exchanger of Heat Room is set in the boiled water tank 45, the bottom of moisturizing/boiler 48 is by communicating pipe 6, the lower drum 1 of the heat exchanger in check-valves 5 and the Heat Room is communicated with, and install on the upper drum 13 of boiled water tank 25 and heat exchange indoor heat exchanger by inserting the interior main water delivery/blast pipe 18 of upper drum 13 of heat exchange indoor heat exchanger in the lower end, the total water-supply-pipe 21 that is communicated with main water delivery/blast pipe 18, the secondary water-supply-pipe 22 that in the upper drum 13 of heat exchange indoor heat exchanger and upper end is communicated with total water-supply-pipe 21 is inserted in the lower end, be contained in band water seal bucket 19 that the main water delivery/blast pipes 18 in the upper drums 13 in the upper drum 13 of heat exchange indoor heat exchanger and that insert the heat exchange indoor heat exchanger are communicated with "

" total water-supply-pipe 21 of the automatic division box that constitutes of shape water sealing (sealing water) pipe 20 is communicated with; boiled water tank 45; 50 bottom is communicated with and all is communicated with the bottom of boiled water tank 25; boiled water tank 45; 25; 50 with " stove " of this boiler, Heat Room surrounds band door 26 and has the hotair chamber of last fresh air inlet 49, the bottom of boiled water tank 45 and moisturizing/boiler 48 is provided with boiling water valve 51 respectively, hot-

water valve

58,48 fens positions of water inlet pipe and water outlet pipe and moisturizing/boiler of the body of heater heat-collecting device that constitutes are communicated with, water-cooling wall 7 height of the heat exchanger that the intake-outlet of the water cooling tube 41 that is provided with in the smoke elimination wall 40 that is provided with is interior with constituting Heat Room divide the position to be communicated with, heat exchanger lower drum 1 in the boiler Heat Room, boiled water tank 45, boiled water tank 50, moisturizing/boiler 48, the body of heater heat-collecting device that constitutes all is provided with blowoff valve, boiled water tank 45, boiled water tank 25, boiled water tank 50 also all is provided with inspection/Butterworth Hatch.This boiler, when water is opened, produce steam, the steam that produces forms steam chamber at the top of boiler upper drum, thereby main water delivery/blast pipe and the secondary water-supply-pipe of the boiling water in the boiler upper drum from automatic division box extruded, and the boiling water that is extruded by water vapour pressure flows into boiled water tank 25 along total water-supply-pipe; And the water level in the boiler upper drum drops to a certain degree, be in the water sealing (sealing water) pipe of automatic division box when anhydrous, steam in the boiler upper drum will be discharged by the water sealing (sealing water) pipe of automatic division box, main water delivery/blast pipe rapidly, at this moment boiler pressure release, moisturizing/boiler 48 is the boiler drum moisturizing by check-valves 5, finishes a working cycles.Among the figure, 2-Heat Room shoot door, 3-heat exchanger lower drum blowoff valve, 4-heat exchanger lower drum hand hole, 14-heat exchanger upper drum hand hole, 15-heat exchanger upper drum thermometer, 16-heat exchanger upper drum liquid level gauge, the exhaust outlet of 181-master's water delivery/blast pipe 18, the blast pipe of 23-boiled water tank 50, inspection/the Butterworth Hatch of 24-boiled water tank 25,46-boiled water tank (45,25,50), the heat-insulation layer shell of moisturizing/boiler 48,47-boiled water tank (45,25,50), the heat-insulation layer of moisturizing/boiler 48, the liquid level gauge of 52-boiled water tank 45, the thermometer of 53-boiled water tank 45, the exhaust/overflow pipe of 54-boiled water tank 45, the liquid level gauge of 56-moisturizing/boiler 48.

Claims

1, a kind of pollution-free boiler, it is characterized in that: its " stove " is by furnace shell (30), the body of heater (31) that refractory material in the furnace shell (30) constitutes, fire grate (36), be used for the stove hall that the body of heater (31) in the furnace shell (30) surrounds is separated into two sub-stove halls (39 of anti-burning-just burning, 42) smoke elimination wall (40) constitutes, the bottom of fire grate (36) is provided with ashpit (38), the bottom of the back-fire stove hearth (39) that constitutes communicate with positive furnace hearth (42) thereafter and have on fuel mouth (28), side is sent carbon mouth (33), pokes fire on the positive furnace hearth of formation (42) has/breast hole (27) and the pyrotechnics mouth (43) on the upper side wall thereafter; Its " stove " rear portion is provided with the Heat Room that is made of the heat-insulation layer (11) in Heat Room shell (10) and the Heat Room shell (10), flame retardant coating (12), the top of Heat Room is provided with flue gas mouth (17), following side the pyrotechnics mouth that the pyrotechnics mouth (43) on the back upper side wall with the positive furnace hearth (42) of its " stove " communicates is set, and is provided with in the Heat Room by the convection bank (8) of lower drum in upper drum (13), lower drum (1), the connection and the heat exchanger of water-cooling wall (7) formation.

2, pollution-free boiler according to claim 1 is characterized in that: also be provided with some between lower drum on the heat exchanger in its Heat Room (13,1) and be used for the Heat Room between last lower drum (13,1) is set to " " deflection plate (9) of shape passage.

3, pollution-free boiler according to claim 1, it is characterized in that: it is used for that the stove hall that the body of heater (31) in the furnace shell (30) surrounds is separated into anti-burning one and is just burning in the smoke elimination wall (40) of two sub-stove halls (39,42) and be provided with water cooling tube (41), and the intake-outlet of water cooling tube (41) and water-cooling wall (7) height of heat exchanger in constituting Heat Room divide and be communicated with.

4, pollution-free boiler according to claim 2, it is characterized in that: it is used for the stove hall that the body of heater (31) in the furnace shell (30) surrounds is separated in the smoke elimination wall (40) of anti-burning-just burning two sub-stove halls (39,42) and is provided with water cooling tube (41), and the intake-outlet of water cooling tube (41) and water-cooling wall (7) height of heat exchanger in constituting Heat Room divide and be communicated with.

5, according to claim 1,2,3 or 4 described pollution-free boilers, it is characterized in that: be equipped with water jacket (32) in the face body of heater before the stove hall of its " stove ", be equipped with water cooling tube (57) in the Lu Tang both sides body of heater of its " stove ", the water cooling tube (57) of setting in the water jacket (32) of setting in the face body of heater before the stove hall of its " stove " and the Lu Tang both sides body of heater of its " stove " constitutes the body of heater heat-collecting device.

6, according to claim 1,2,3 or 4 described pollution-free boilers, it is characterized in that: it also has water supply tank, the upper drum of boiled water tank and heat exchange indoor heat exchanger (13) is gone up the automatic division box of installing, be provided with level controling floating ball valve (55) in the water supply tank, the bottom of water supply tank is communicated with the lower drum (1) of heat exchange indoor heat exchanger by check-valves (5), boiled water tank and the interior main water delivery/blast pipe (18) of upper drum (13) that is inserted the heat exchange indoor heat exchanger by the lower end, the total water-supply-pipe (21) that is communicated with main water delivery/blast pipe (18), the secondary water-supply-pipe (22) that in the upper drum (13) of heat exchange indoor heat exchanger and upper end is communicated with total water-supply-pipe (21) is inserted in the lower end, be contained in band water seal bucket (19) that the main water delivery/blast pipe (18) in the upper drum (13) in the upper drum (13) of heat exchange indoor heat exchanger and that insert the heat exchange indoor heat exchanger is communicated with "

" total water-supply-pipe (21) of the automatic division box that constitutes of shape water sealing (sealing water) pipe (20) is communicated with, the bottom of boiled water tank is provided with boiling water valve (51).

7, pollution-free boiler according to claim 5, it is characterized in that: it also has moisturizing/boiler (48), the upper drum of boiled water tank and heat exchange indoor heat exchanger (13) is gone up the automatic division box of installing, be provided with level controling floating ball valve (55) in moisturizing/boiler (48), the bottom of moisturizing/boiler (48) is communicated with the lower drum (1) of heat exchange indoor heat exchanger by check-valves (5), boiled water tank and the interior main water delivery/blast pipe (18) of upper drum (13) that is inserted the heat exchange indoor heat exchanger by the lower end, the total water-supply-pipe (21) that is communicated with main water delivery/blast pipe (18), the secondary water-supply-pipe (22) that in the upper drum (13) of heat exchange indoor heat exchanger and upper end is communicated with total water-supply-pipe (21) is inserted in the lower end), be contained in band water seal bucket (19) that the main water delivery/blast pipe (18) in the upper drum (13) in the upper drum (13) of heat exchange indoor heat exchanger and that insert the heat exchange indoor heat exchanger is communicated with "

" total water-supply-pipe (21) of the automatic division box that constitutes of shape water sealing (sealing water) pipe (20) is communicated with; the bottom of boiled water tank is provided with boiling water valve (51); and the water inlet pipe and water outlet pipe of the body of heater heat-collecting device that constitutes and moisturizing/boiler (48) divide and are communicated with, and the bottom of moisturizing/boiler (48) is provided with hot-water valve (58).

8, pollution-free boiler according to claim 7, it is characterized in that: its boiled water tank is divided into three sub-boiled water tanks (45,25,50), boiled water tank (25) is communicated with total water-supply-pipe (21) of automatic division box, boiled water tank (45), (50) bottom is communicated with and all is communicated with the bottom of boiled water tank (25), boiled water tank (45), (25), (50) and " stove " of this boiler, Heat Room surrounds band door (26) and has the hotair chamber of last fresh air inlet (49), boiling water valve (51) is arranged on the bottom of boiled water tank (45), also be provided with in its boiled water tank (45) with Heat Room in the last lower drum (13 of heat exchanger, 1) down-comer of Lian Tonging (boiling water insulating tube) (44).

9, pollution-free boiler according to claim 8 is characterized in that: its boiled water tank (45,25,50), moisturizing/boiler (48) also are provided with heat-insulation layer (47), heat-insulation layer shell (46).