CN100572969C

CN100572969C - A kind of high-efficiency energy-saving environmental protection boiler

Info

Publication number: CN100572969C
Application number: CNB200810138729XA
Authority: CN
Inventors: 张亚玉; 张琳慧; 吴绍绣
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-30
Filing date: 2008-07-30
Publication date: 2009-12-23
Anticipated expiration: 2028-07-30
Also published as: CN101324370A

Abstract

The invention provides a kind of high-efficiency energy-saving environmental protection boiler, this 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, 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, this boiler compare with prior art have efficient energy-saving, environmentally-friendly sanitary, extensively popularization will produce good society and economic benefit.

Description

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 high-efficiency 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.Such as the patent No. is 02205829X, and denomination of invention is the hanging bladder type energy-saving environmental protection boiler; The patent No. 022812946, denomination of invention is upright circle bucket type smokeless environment-friendly power economized boiler; The patent No. is 2003201069529, and denomination of invention is a kind of energy-saving environmental protection boiler; The patent No. 992184789, denomination of invention are environmental protection and energy saving unpressurized hot water boiler or the like.

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.

Claims

1. A high-efficiency environmental protection and energy-saving boiler, including an energy-saving boiler and a desulfurization dust collector, the smoke outlet of the energy-saving boiler is connected with the smoke inlet of the desulfurization and dust collector, and it is characterized in that the energy-saving boiler is composed of a lower furnace body and an upper furnace body, and the upper furnace body The furnace body is set on the upper part of the lower furnace body, the middle of the lower furnace body is the furnace, and the periphery is a water jacket. The bottom of the furnace is equipped with a double-layer tubular grate, and the side of the double-layer tubular grate is equipped with a secondary furnace with a disc valve. The upper part of the furnace is equipped with a conical smoke collecting port, and three air supply pipes are arranged radially on the conical smoke collecting port. The outer end of the three air supply pipes passes through the water jacket of the lower furnace body and is arranged on the outer wall of the lower furnace. The annular air supply channel is connected with the circular air supply channel, and there are three air supply ports with disc valves on the annular air supply channel; The smoke collecting chamber, the annular inner water jacket and the annular outer water jacket, the lower end of the upward flue is connected with the conical smoke collecting port on the upper part of the furnace, a secondary combustion chamber is arranged in the upward flue, and a Spiral smoke guide plate, the upper part of the downward flue is connected with the upper part of the upward flue, the periphery of the downward flue is an annular outer water jacket, and the upward smoke pipe is arranged in the annular outer water jacket, and the lower end of the upward flue pipe is connected to the upper part of the downward flue. The upper end of the upward smoke pipe communicates with the smoke collection chamber set in the preheating water tank. The side of the smoke collection chamber is provided with a smoke exhaust port protruding outward through the preheating water tank. On the outer wall of the upward smoke passage An annular inner water jacket is provided, and the upper end of the annular inner water jacket is connected with a hot water pipe passing through the preheating tank and the smoke collection chamber to connect with the hot water outlet on the top of the upper furnace body, and a preheating water inlet is provided on the side of the preheating tank. The water jacket of the lower furnace body communicates with the annular outer water jacket of the upper furnace body through a water pipe.

2. The high-efficiency environmental protection and energy-saving boiler according to claim 1, characterized in that the desulfurization and dust collector is composed of a spraying downward flue, a spiral upward dehydration flue, a washing water tank, a heat exchanger, an induced draft fan and a circulating water pump. The upper end of the descending flue is connected to the exhaust port of the upper furnace body of the energy-saving boiler, and the lower end is inserted in the middle of the spiral upward dehydration flue. A boiler water heat exchanger is installed in the middle, and the boiler water heat exchanger is immersed in the circulating washing water in the washing water tank. The water inlet of the heat exchanger is connected to the tap water pipe, and the water outlet is connected to the preheated water inlet of the upper furnace body. An induced draft fan and a circulating water pump are also arranged on the upper part of the washing water tank. The air inlet of the induced draft fan is connected with the smoke outlet arranged on the upper part of the spiral upward dehydration flue, and the water inlet of the circulating water pump is not in the circulating washing water in the washing water tank. The outlet of the water pump is connected with the washing spray head arranged on the top of the spray down-flow flue through a water pipe.

3. The high-efficiency, environment-friendly and energy-saving boiler according to claim 2, characterized in that a spiral dehydration plate is arranged on the inner wall of the spiral upward dehydration flue.

4. The high-efficiency, environment-friendly and energy-saving boiler according to claim 2, characterized in that a sloping sewage discharge plate is provided at the bottom of the washing water tank, and a sewage discharge port of the washing water tank is provided at the lower end of the sewage sloping plate.

5. The high-efficiency, environment-friendly and energy-saving boiler according to claim 1, characterized in that heat exchange fins are arranged on the inner wall of the upward flue above the secondary combustion chamber.

6. The high-efficiency environmental protection and energy-saving boiler according to claim 1, characterized in that the double-layer tubular grate is arranged alternately between the upper and lower layers, and each tubular grate is opposite to the other two tubular grates. middle.

7. The high-efficiency, environment-friendly and energy-saving boiler according to claim 1, characterized in that an ash discharge door is arranged on the upper furnace body located at the bottom of the downward flue.

8. The high-efficiency, environment-friendly and energy-saving boiler according to claim 1, characterized in that a sewage outlet is provided at the bottom of the annular outer water jacket.

9. The high-efficiency environmental protection and energy-saving boiler according to claim 1, characterized in that the bottom of the water jacket of the lower furnace body is provided with a sewage outlet of the lower furnace body.