A kind of high-efficiency energy-saving environmental protection boiler
Technical field
The present invention relates to a kind of civil boiler equipment, specifically a kind of colleges and universities energy-saving environmental protection boiler.
Background technology
The ubiquitous deficiency of normal domestic boiler of prior art is that power consumption is high, the thermal efficiency is low, smoke pollution is serious.
Summary of the invention
The purpose of this invention is to provide a kind of high-efficiency energy-saving environmental protection boiler.
The objective of the invention is to realize in the following manner, high-efficiency energy-saving environmental protection boiler is made up of power economized boiler and desulfurizing dust-collector, the exhaust opening of power economized boiler is connected with the mouth that advances of desulfurizing dust-collector, power economized boiler is made up of lower furnace body and upper furnace body, upper furnace body is arranged on the top of lower furnace body, the centre of lower furnace body is a burner hearth, periphery is a water jacket, the bottom of burner hearth is provided with the double-tube type fire grate, the side of double-tube type fire grate is provided with the secondary wind-supplying mouth of band dish valve, the top of burner hearth is provided with the taper smoke collecting port, on the taper smoke collecting port, be the radial secondary air channel that is provided with three times, annular on the outer end of three secondary air channels is passed the lower furnace body water jacket and is arranged on the lower furnace body outer wall is mended the air channel and is communicated, and annular is mended three wind-supplying mouths that the air channel is provided with band dish valve; Upper furnace body comprises updraught flue, down pass, up smoke pipe, smoke deflector, secondary combustion chamber, the preheating water tank, fume collecting chamber, annular inner water sleeve and the outer water jacket of annular, the lower end of updraught flue is connected with the taper smoke collecting port of upper furnace, in updraught flue, be provided with secondary combustion chamber, the below that is positioned at secondary combustion chamber is provided with the helical form smoke deflector, the top of down pass is communicated with the top of updraught flue, the periphery of down pass is the outer water jacket of annular, be arranged with up smoke pipe in the outer water jacket of annular, the lower end of up smoke pipe is communicated with the bottom of down pass, the upper end of up smoke pipe communicates with fume collecting chamber in being arranged on the preheating water tank, the side of fume collecting chamber has passes the outwardly directed exhaust opening of preheating water tank, the outer wall of updraught flue is provided with annular inner water sleeve, the upper end of annular inner water sleeve is connected with hot-water line and passes the preheating water tank and be connected with the hot water outlet at upper furnace body top with fume collecting chamber, be provided with the preheating water import in the preheating water tank side, passed through cross current between the outer water jacket of annular of the water jacket of lower furnace body and upper furnace body.
The beneficial effect that high-efficiency energy-saving environmental protection boiler of the present invention had is: energy-conservation, the thermal efficiency is high, the boiler emission flue gas is carried out abundant desulfurization dust separation, flue gas does not pollute environment, thereby, have good social benefit and economic benefit.
Description of drawings
Accompanying drawing 1 is the structural representation of high-efficiency energy-saving environmental protection boiler.
Description of reference numerals: double-tube type fire grate 1, secondary wind-supplying mouth 2, lower furnace body water jacket 3, three secondary air channels 4, mend air door 5 three times, annular passage 6, burner hearth 7, smoke deflector 8, secondary combustion chamber 9, up smoke pipe 10, updraught flue 11, annular inner water sleeve 12, down pass 13, the outer water jacket 14 of annular, hot-water line 15, fume collecting chamber 16, preheating water import 17, hot water outlet 18, the preheating water tank 19, exhaust opening 20, heat absorption fin 21, the outer water jacket sewage draining exit 22 of annular, cross water pipe 23, shower nozzle 24, spray down pass 25, the up dehydration flue 26 of spiral, spiral dewatering plate 27, air-introduced machine 28, water circulating pump 29, washing water tank 30, cooling water inlet 31, heat exchanger 32, circulation cleaning water 33, preheating water outlet 34, washing water tank sewage draining exit 35, ashpit 36, lower furnace body sewage draining exit 37.
The specific embodiment
Explain below with reference to Figure of description high-efficiency energy-saving environmental protection boiler of the present invention being done.
High-efficiency energy-saving environmental protection boiler of the present invention, shown in accompanying drawing, its structure is made up of power economized boiler and desulfurizing dust-collector, the exhaust opening of power economized boiler is connected with the mouth that advances of desulfurizing dust-collector, power economized boiler is made up of lower furnace body and upper furnace body, upper furnace body is arranged on the top of lower furnace body, the centre of lower furnace body is a burner hearth 7, periphery is a lower furnace body water jacket 3, the bottom of burner hearth 7 is provided with double-tube type fire grate 1, the side of double-tube type fire grate 1 is provided with the secondary wind-supplying mouth 2 of band dish valve, the top of burner hearth 7 is provided with the taper smoke collecting port, mend air channel 6 and communicate being the annular of the radial outer end that is provided with 4, three secondary air channels 4 of three secondary air channels on passing lower furnace body water jacket 3 and being arranged on the lower furnace body outer wall on the taper smoke collecting port, annular is mended three wind-supplying mouths 5 that air channel 6 is provided with band dish valve; Upper furnace body comprises updraught flue 11, down pass 13, up smoke pipe 10, smoke deflector 8, secondary combustion chamber 9, the preheating water tank 19, fume collecting chamber 16, annular inner water sleeve 12 and the outer water jacket 14 of annular, the lower end of updraught flue 11 is connected with the taper smoke collecting port on burner hearth 7 tops, in updraught flue 11, be provided with secondary combustion chamber 9, the below that is positioned at secondary combustion chamber 9 is provided with helical form smoke deflector 8, the top of down pass 13 is communicated with the top of updraught flue 11, the periphery of down pass 13 is the outer water jackets 14 of annular, be arranged with up smoke pipe 10 in the outer water jacket 14 of annular, the lower end of up smoke pipe 10 is communicated with the bottom of down pass 13, the upper end of up smoke pipe 10 communicates with fume collecting chamber 16 in being arranged on preheating water tank 19, the side of fume collecting chamber 16 has passes preheating water tank's 19 outwardly directed exhaust openings 20, the outer wall of updraught flue 11 is provided with annular inner water sleeve 12, the upper end of annular inner water sleeve 12 is connected with hot-water line 15 and passes preheating water tank 19 and be connected with the hot water outlet 18 at upper furnace body top with fume collecting chamber 16, be provided with preheating water import 17 in preheating water tank 19 sides, passed through water pipe 23 between the outer water jacket 14 of annular of the water jacket 3 of lower furnace body and upper furnace body and be communicated with.
Desulfurizing dust-collector is by spray down pass 25, the up dehydration flue 26 of spiral, washing water tank 30, heat exchanger 32, air-introduced machine 28 and water circulating pump 29 are formed, the upper end of spray down pass 25 is connected with the exhaust opening 20 of power economized boiler upper furnace body, the lower end is inserted in the centre of the up dehydration flue 26 of spiral, the up dehydration flue 26 of spiral be arranged on the washing water tank 30 top and with the washing water tank 30 internal communication, in washing water tank 30, be provided with boiler feed water heat exchanger 32, boiler feed water heat exchanger 32 is immersed among the circulation cleaning water 33 that washs in the water tank 30, the cooling water inlet 31 of heat exchanger is connected with running water pipe, preheating water outlet 34 is connected with the preheating water import 17 of upper furnace body, top at washing water tank 30 also is provided with air-introduced machine 28 and water circulating pump 29, the air inlet of air-introduced machine 28 is connected with the outlet flue that is arranged on the up dehydration flue of spiral 26 tops, the water inlet of water circulating pump 29 not in the circulation cleaning water 33 of washing in the water tank 30, the outlet of water circulating pump 29 by water pipe be located at the washing nozzle 24 that sprays down pass 25 tops and be connected.
The updraught flue inwall of the top of secondary combustion chamber is provided with heat exchange fin 21.
Double-tube type fire grate 1 is the double-deck up and down interlaced row that begin to rehearse, and every tubular type fire grate is with respect to the centre of two tubular type fire grate of another layer.
The inwall of the up dehydration flue 26 of spiral is provided with spiral dewatering plate 27.
The upper furnace body that is positioned at the down pass bottom is provided with ashpit 36.
The bottom of water jacket is provided with sewage draining exit 22 outside annular.
Lower furnace body water jacket bottom is provided with lower furnace body sewage draining exit 37.
Bottom at washing water tank 30 is provided with blowdown swash plate 38, and the low side of blowdown swash plate 38 is provided with washing water tank sewage draining exit 35.