CN2309516Y - Pollutionless boiler - Google Patents

Abstract

The utility model relates to a boiler without pollution. The ' boiler ' of the utility model is composed of a boiler shell and a boiler body composed of fireproofing materials, a grate, a coal adding fire/ poking opening cover with a fire watching peep door and a smoke removing wall used for divided a hearth surrounded by the boiler body into a fuel carbonization coking chamber and a boiler positive burning combustion chamber which are arranged in the boiler shell. Fuel carbonized and coked by the carbonization coking chamber and fully combusted by the positive burning combustion chamber in the inner part of the ' boiler ', the utility model can realize real smokeless combustion without being provided with any smoke and dust removing device, and the utility model has the advantages of simple structure, low concentration and low blackening of expelled smoke, high thermal efficiency and energy source saving. The smoke exhaust of the utility model is better than the first level smoke exhaust standard of the first class environmental protection area stipulated in China.

Description

Pollution-free boiler

The utility model relate to a kind of boiler, particularly a kind of be the smokelessly pollution-free efficiently boiler of fuel with the coal.

In the prior art, with the coal is the boiler of fuel, its " stove " generally all only has and just burning the combustion chamber, fuel is directly sent into such combustion chambers burn of just burning, the fuel combustion required air is entered through fire grate by ashpit, owing to having little time to burn fully again, the carbon monoxide that carbon and imperfect combustion produced in the flue gas that exists fuel combustion to generate just enters the drawback of flue, thereby the dust concentration of all discharging fume mostly is big, the blackness height, very the person surpasses the dust emission standard of national regulation more than several times, this not only causes severe contamination to environment, but also because fuel combustion is incomplete, the thermal efficiency is low and waste a large amount of energy.

The purpose of this utility model be to overcome above-mentioned existing be the deficiency of fuel boiler with the coal, be the smokelessly pollution-free efficiently boiler of fuel with the coal and provide a kind of.

The purpose of this utility model can realize by such technical scheme: this is the smokelessly pollution-free efficiently boiler of fuel with the coal, the body of heater that its " stove " is made of furnace shell 6 and interior refractory material 29 thereof, fire grate (1,32), have see fire spy on the door coal/flap 7 pokes fire, the stove hall that is used for that body of heater is surrounded is separated into the smoke elimination wall 2 that fuel destructive distillation cooking camber 3 and boiler just burning combustion chamber 33 and constitutes, the bottom that fuel destructive distillation cooking camber fire grate 1 and boiler are just burning combustion chamber fire grate 32 is provided with ashpit 31, fuel destructive distillation cooking camber 3 has that upper coal feeding/mouth pokes fire, thereafter side lower part is just burning combustion chamber 33 with thereafter boiler and is communicating, and boiler is just burning on the sidewall of combustion chamber 33 shoot door 30 is set.Such boiler has the destructive distillation cooking camber 3 that is used for fuel destructive distillation coking and the just burning combustion chamber 33 of all burnt.Such boiler, fuel is admitted to the fuel destructive distillation cooking camber 3 of setting earlier, in fuel destructive distillation cooking camber 3, fuel is just burning the radiant heat destructive distillation coking of combustion chamber 33 by boiler, just be admitted to just burning combustion chamber 33 internal combustion of boiler after the destructive distillation coking again, and carbon and carbon monoxide in the flue gas that fuel is produced in destructive distillation coking, then because the effect of the smoke elimination wall 2 that is provided with, after the burning in the destructive distillation cooking camber 3, remaining part just enters boiler downwards with flue gas and is just burning in the combustion chamber 33, the process boiler is just burning the red-hot fire bed in the combustion chamber 33, make that the carbon monoxide that carbon and imperfect combustion produced of remaining part obtains burning fully again in the flue gas, such boiler, also because its coal that is the destructive distillation coking that is just burning combustion chamber 33 internal combustion, thereby the temperature of just burning the combustion chamber can significantly improve.

This pollution-free boiler provided by the utility model; simple in structure; fuel in its " stove " through the destructive distillation coking in the destructive distillation cooking camber with just burning abundant burning in the combustion chamber; other any smoke abatement device need be installed realize real smokeless combustion; the smoke evacuation dust concentration is low, blackness is low; the one-level dust emission standard that is better than a class environment protection zone of national regulation has the advantage of thermal efficiency height, energy savings.

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

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

The structural representation of the automatic control boiling water part flow arrangement portion of the pollution-free boiler that Fig. 2 is provided for the utility model embodiment.

With reference to accompanying drawing, this pollution-free boiler that the utility model embodiment is provided belongs to a kind of free of contamination automatic control boiling water shunting water boiler, it is a kind of smokeless water boiler that can supply boiling water efficiently continuously, the body of heater that its " stove " is made of furnace shell 6 and interior refractory material 29 thereof, fire grate (1,32), have see fire spy on the door coal/flap 7 pokes fire, the stove hall that is used for that body of heater is surrounded is separated into the smoke elimination wall 2 that fuel destructive distillation cooking camber 3 and boiler just burning combustion chamber 33 and constitutes, the bottom that fuel destructive distillation cooking camber fire grate 1 and boiler are just burning combustion chamber fire grate 32 is provided with ashpit 31, fuel destructive distillation cooking camber 3 has that upper coal feeding/mouth pokes fire, side secondary air import 4, thereafter side lower part is just burning combustion chamber 33 with thereafter boiler and is communicating, and boiler is just burning on the sidewall of combustion chamber 33 shoot door 30 is set; Its " stove " goes up " pot " 8 outer boiling water covers (being boiled water tank) 9 that are provided with of installing, automatic control boiling water part flow arrangement by boiling water efferent duct 35 and " U " shape water sealing (sealing water) pipe formation of being communicated with boiling water efferent duct 35 is set in the boiling water cover 9, the top of " pot " 8 is provided with flue residue heat heat exchanger 21, and configuration water supply tank 26, the level controling floating ball valve 23 of control water level is set in the water supply tank 26 of configuration, the bottom of water supply tank 26 is by filling pipe 27, check-valves 28 is communicated with the bottom of the hydroecium of " pot " 8, and the automatic control boiling water part flow arrangement that is provided with in the boiling water cover 9: its " U " shape water sealing (sealing water) pipe is by down-comer 38, communicating pipe 36 and tedge 37 constitute, the upper end of the tedge 37 of " U " shape water sealing (sealing water) pipe is by being communicated with boiling water efferent duct 35 communicating pipe 40, and the lower end of its boiling water efferent duct 35 is by being communicated with the bottom of the hydroecium of " pot " 8 communicating pipe 34, non-and the boiling water efferent duct of " U " shape water sealing (sealing water) pipe is communicated with end (being the upper end of down-comer 38) by being communicated with the top of the hydroecium of " pot " 8 communicating pipe 39; For the water in the hydroecium of avoiding " pot " 8 enters boiled water tank 9 because of the expansion pressurized by automatic control boiling water part flow arrangement in heating process, above-mentioned boiler also is provided with the expansion tank 14 by being communicated with the bottom of the hydroecium of " pot " 8 expansion tube 11 and communicating pipe 10; Above-mentioned boiler, the water of adding at first enter the flue residue heat heat exchanger 21 of setting, and the water inlet pipe of its water supply tank 26 is by being communicated with the outlet pipe of flue residue heat heat exchanger 21 communicating pipe 22.Such boiler, fuel in its " stove " through the destructive distillation coking in the destructive distillation cooking camber 3 with just burning abundant burning in the combustion chamber 33, other any smoke abatement device need be installed realize real smokeless combustion, such boiler, when water is boiled, the steam that produces promptly accumulates in the top of hydroecium of boiler " pot " 8 and boiling water that the hydroecium of boiler " pot " 8 is the interior boiling water efferent duct 35 by automatic control boiling water part flow arrangement is pressed in the boiled water tank 9; And dropping under water to a certain degree in the hydroecium of boiler " pot " 8, be in " U " shape water sealing (sealing water) pipe of automatic control boiling water part flow arrangement anhydrous after, the steam that accumulates in the hydroecium top of boiler " pot " 8 is promptly discharged by " U " shape water sealing (sealing water) pipe of automatic control boiling water part flow arrangement rapidly, at this moment boiler pressure release, water supply tank 26 is a boiler replenishing water by filling pipe 27, check-valves 28, promptly finishes a working cycles.Among the figure, 5---cleanout door, 12,16---nozzle for thermometer, 13,15,25---the water level meter, 17---atmospheric communicating pipe, 18---automatic exhaust steam valve, 19---chimney, 20---water inlet pipe, 24---overflow pipe.

Claims (5)

1, a kind of pollution-free boiler, it is characterized in that: the body of heater that its " stove " is made of furnace shell (6) and interior refractory material (29) thereof, fire grate (1,32), have see fire spy on the door coal/flap that pokes fire (7), the stove hall that is used for that body of heater is surrounded is separated into the smoke elimination wall (2) that fuel destructive distillation cooking camber (3) and boiler just burning combustion chamber (33) and constitutes, the bottom that fuel destructive distillation cooking camber fire grate (1) and boiler are just burning combustion chamber fire grate (32) is provided with ashpit (31), fuel destructive distillation cooking camber (3) has that upper coal feeding/mouth pokes fire, thereafter side lower part is just burning combustion chamber (33) with thereafter boiler and is communicating, and boiler is just burning on the sidewall of combustion chamber (33) shoot door (30) is set.

2, pollution-free boiler according to claim 1 is characterized in that: its fuel destructive distillation cooking camber (3) also has side secondary air import (4).

3, pollution-free boiler according to claim 1 and 2, it is characterized in that: its " stove " goes up the outer boiling water cover (being boiled water tank) (9) that is provided with in " pot " (8) of installing, automatic control boiling water part flow arrangement by boiling water efferent duct (35) and " U " shape water sealing (sealing water) pipe formation of being communicated with boiling water efferent duct (35) is set in the boiling water cover (9), and configuration water supply tank (26), the altitude valve (23) of control water level is set in the water supply tank (26) of configuration, the bottom of water supply tank (26) is by filling pipe (27), check-valves (28) is communicated with the bottom of the hydroecium of " pot " (8), and the lower end of the boiling water efferent duct (35) of the automatic control boiling water part flow arrangement that is provided with in the boiling water cover (9) is communicated with the bottom of the hydroecium of " pot " (8), non-and the boiling water efferent duct of " U " shape water sealing (sealing water) pipe is communicated with end and is communicated with the top of the hydroecium of " pot " (8).

4, pollution-free boiler according to claim 3, it is characterized in that: " U " shape water sealing (sealing water) pipe of its automatic control boiling water part flow arrangement is by down-comer (38), communicating pipe (36) and tedge (37) constitute, the upper end of the tedge (37) of " U " shape water sealing (sealing water) pipe is by being communicated with boiling water efferent duct (35) communicating pipe (40), and the lower end of boiling water efferent duct (35) is passed through to be communicated with the bottom of the hydroecium of " pot " (8) communicating pipe (34), the upper end of the down-comer (38) of " U " shape water sealing (sealing water) pipe is passed through to be communicated with the top of the hydroecium of " pot " (8) communicating pipe (39).

5, pollution-free boiler according to claim 4 is characterized in that: it also is provided with the expansion tank (14) by being communicated with the bottom of the hydroecium of " pot " (8) expansion tube (11) and communicating pipe (10).

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