CN203980238U - A kind of energy-saving, environmental protection boiler - Google Patents

A kind of energy-saving, environmental protection boiler Download PDF

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Publication number
CN203980238U
CN203980238U CN201420464983.XU CN201420464983U CN203980238U CN 203980238 U CN203980238 U CN 203980238U CN 201420464983 U CN201420464983 U CN 201420464983U CN 203980238 U CN203980238 U CN 203980238U
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China
Prior art keywords
flue
perforated plate
drum
energy
environmental protection
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CN201420464983.XU
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Chinese (zh)
Inventor
贺旭辉
张静
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West Anhui University
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West Anhui University
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Abstract

The utility model discloses a kind of energy-saving, environmental protection boiler, comprise burner, boiler body and fume emission waste-heat recovery device, described burner comprises blower fan, combustion chamber, igniter, fuel supply system and grid vapourizing unit, described boiler body comprises drum, flue, smoke pipe and drum base, described smoke discharging device comprises scrubbing tower, circulating purifying device and waste-heat recovery device, described flue is the double-deck flue of waveform configuration, comprise outer courage, inner bag, flange and end socket, described circulating purifying device comprises feed tube, circulating pump, drain pipe, spray thrower and acid-base neutralization pond, the utility model fuel can fully burn, boiler furnace flue space is large, flue gas flow is long, heat exchange efficiency is high, the double-deck flue arranging, boiler seal type and heat insulating ability are strengthened greatly, more energy-conservation, by the flue gas emitting from scrubbing tower is reached to environmental protection standard, by waste-heat recovery device is set, waste heat in flue gas is recycled.

Description

A kind of energy-saving, environmental protection boiler
Technical field
The utility model relates to a kind of boiler, specifically a kind of energy-saving, environmental protection boiler.
Background technology
Boiler is a kind of energy conversion, have the form such as heat energy of chemical energy in fuel, electric energy, high-temperature flue gas, and through boiler conversion, outwards output has steam, high-temperature water or the organic heat carrier of certain heat energy to the energy of boiler input.Be used for thermal power station, boats and ships, locomotive and industrial and mining enterprises.Existing vertical oil-gas boiler has following defect: after inside goes wrong, cannot check and overhaul, be subject to the restriction of flue tube structure, flame profile can not get launching completely, burns insufficient, and high-temperature flue gas directly washes away flue wall or the base tube sheet on opposite, easily cause hot-spot damage, flue gas flow is short, and in residing time in furnace deficiency, heat is not fully utilized, exhaust gas temperature is higher, and the thermal efficiency is low.In the time using oil-burning gas-fired boiler to carry out heat conversion, the flue-gas temperature of oil-burning gas-fired boiler discharge is conventionally between 150-250 degree Celsius, in flue gas, contain amount of heat along with lost-this part heat of flue gas will account for the 10-20% of fuel total amount of heat conventionally, in addition, at fuel oil, in combustion gas, still contain a small amount of sulphur and the compound of sulphur, in high-temp combustion process, can react with airborne nitrogen and oxygen, and in the time using fuel oil as fuel, also can generating portion carbon black suspension, hence one can see that, the fume emission of the oil-burning gas-fired boiler environmental protection standard that is also far from reaching, and amount of heat in flue gas is not also recycled.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving, environmental protection boiler, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of energy-saving, environmental protection boiler, comprises burner, boiler body and fume emission waste-heat recovery device, and described burner comprises blower fan, combustion chamber, igniter, fuel supply system and grid vapourizing unit, described boiler body comprises drum, flue, smoke pipe and drum base, described smoke discharging device comprises scrubbing tower, circulating purifying device and waste-heat recovery device, the air outlet of described blower fan connects combustion chamber, and described grid vapourizing unit one end is communicated with combustion chamber, and the other end is communicated with boiler body, and between combustion chamber and boiler body, described grid vapourizing unit is by shell and grid is affixed forms, described drum vertically stands on ground, the upper and lower both ends horizontal welding upper perforated plate of described drum and lower perforated plate, described upper perforated plate is provided with relief valve connection and steam or hot water outlet, described boiler body lower end is provided with exhanst gas outlet, described flue is the double-deck flue of waveform configuration, comprise outer courage, inner bag, flange and end socket, on described flange, be provided with equally distributed screwed hole, described flue and drum are arranged on same longitudinal axis, described burner is fixed on flue by flange, on the upper end of described flue and lower perforated plate, be all provided with the spaced through hole of three rows, described smoke pipe is threaded flue, the corresponding through hole that is welded on flue upper end and lower perforated plate of arranging, its two ends, form inside and outside three beams smoke pipe, perpendicular to the ground the standing on lower perforated plate of tube wall of described smoke pipe, the through hole of described lower perforated plate is connected to exhanst gas outlet, described drum upper end arranges pressure gauge connection, pressure regulator valve interface and water level interface, described drum lower end arranges soft water water inlet and sewage draining exit, described sewage draining exit is connected to lower perforated plate inner side, described drum, flue, upper perforated plate, lower perforated plate and end socket surround an airtight pressure vessel that can hold water and steam, described scrubbing tower is provided with gas approach and exhaust opening, described circulating purifying device comprises feed tube, circulating pump, drain pipe, be arranged on the spray thrower and the acid-base neutralization pond that is arranged on bottom, scrubbing tower tower chamber of upper end, scrubbing tower tower chamber, described circulating pump is connected with acid-base neutralization pond by feed tube, circulating pump is connected with spray thrower by drain pipe, described acid-base neutralization pond is provided with overfall, acid-base value detector and the acid & alkali liquid conveyer being connected with acid-base neutralization pond, described waste-heat recovery device is arranged on the pipeline of drain pipe, and connect cooling water inlet and hot water outlet, the exhanst gas outlet of described boiler body is connected with the gas approach of scrubbing tower by flue.
As further program of the utility model: described grid forms by intersecting affixed stainless steel materials.
As further scheme of the utility model: on described outer courage around roll extrusion many positive C type reinforcements, on inner bag around roll extrusion many anti-C type reinforcements.
As further scheme of the utility model: described outer courage and inner bag all adopt high temperature resistant stainless steel plate to make.
As further scheme of the utility model: described drum outside is provided with insulating, and described insulating outside is provided with baffle.
As further scheme of the utility model: described three beams smoke pipe is arranged as concentric circles tubular.
As further scheme of the utility model: be cast with special-shaped refractory material in described shell base.
Compared with prior art, the beneficial effects of the utility model are: under the effect of blower fan, the fuel of lighting is blown in grid vapourizing unit, because grid is heated, grid after heating is constantly further vaporized the fuel of lighting entering in it burn conversely again, make full combustion of fuel, boiler body by by flue and shell longitudinal axis perpendicular to ground, boiler furnace flue space is large, flue gas flow is long, heat exchange efficiency is high, the double-deck flue arranging, closed type and the heat insulating ability of boiler body are strengthened greatly, particularly outer courage and inner bag positive C type reinforcement and the anti-C type reinforcement of roll extrusion respectively, greatly improve the anti-pressure ability of flue, and flue shape and flame profile match, flame is launched completely, fuel is fully burning again, more energy-conservation, by by the tube wall of smoke pipe perpendicular to ground, avoid high-temperature flue gas directly to wash away flue wall or the base tube sheet on opposite, the hot-spot that causes oil-burning gas-fired boiler is damaged, by flue gas is contained through scrubbing tower from flue gas out of boiler flue gas outlet flue dust, S02, NOx, TSP, the compositions such as CO are disposed, make the flue gas emitting from scrubbing tower reach environmental protection standard, by waste-heat recovery device is set, waste heat in flue gas is recycled.
Brief description of the drawings
Fig. 1 is the structural representation of energy-saving, environmental protection boiler.
Fig. 2 is that in energy-saving, environmental protection boiler, A-A analyses and observe view.
Fig. 3 is that in energy-saving, environmental protection boiler, B-B analyses and observe view.
In figure: blower fan 1, combustion chamber 2, igniter 3, fuel supply system 4, grid vapourizing unit 5, shell 51, grid 52, relief valve connection 6, flange 7, steam or hot water outlet 8, pressure gauge connection 9, pressure regulator valve interface 10, upper perforated plate 11, water level interface 12, smoke pipe 13, drum 14, insulating 15, baffle 16, outer courage 17, inner bag 18, positive C type reinforcement 19, anti-C type reinforcement 20, end socket 21, lower perforated plate 22, soft water water inlet 23, sewage draining exit 24, abnormity refractory material 25, drum base 26, exhanst gas outlet 27, overfall 28, gas approach 29, acid-base neutralization pond 30, scrubbing tower 31, feed tube 32, acid & alkali liquid conveyer 33, circulating pump 34, cooling water inlet 35, hot water outlet 36, waste-heat recovery device 37, drain pipe 38, spray thrower 39, exhaust opening 40.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1~3, in the utility model embodiment, a kind of energy-saving, environmental protection boiler, comprises burner, boiler body and fume emission waste-heat recovery device, and described burner comprises blower fan 1, combustion chamber 2, igniter 3, fuel supply system 4 and grid vapourizing unit 5, described boiler body comprises drum 14, flue, smoke pipe 13 and drum base 26, described smoke discharging device comprises scrubbing tower 31, circulating purifying device and waste-heat recovery device 37, described grid vapourizing unit 5 one end are communicated with combustion chamber 2, the other end is communicated with boiler body, between combustion chamber 2 and boiler body, described grid vapourizing unit 5 is by shell 51 and grid 52 is affixed forms, described grid 52 is made up of the affixed stainless steel materials of intersection, and the wind outlet of described blower fan 1 connects combustion chamber 2, and its wind directly blows to grid vapourizing unit 5, under the effect of blower fan 1, the fuel of lighting is blown into grid vapourizing unit 5 and enters in boiler 5, described drum 14 vertically stands on ground, described drum is both ends horizontal welding upper perforated plate 11 and lower perforated plate 22 Shang Xia 14, described upper perforated plate 11 is provided with relief valve connection 6 and steam or hot water outlet 8, described boiler body lower end is provided with exhanst gas outlet 27, described flue is the double-deck flue of waveform configuration, comprise outer courage 17, inner bag 18, flange 7 and end socket 21, on described outer courage 2 around roll extrusion many positive C type reinforcements 19, on inner bag 18 around roll extrusion many anti-C type reinforcements 20, described outer courage 17 and inner bag 18 all adopt high temperature resistant stainless steel plate to make, on described flange 7, be provided with equally distributed screwed hole, be fixedly connected with boiler body by screwed hole, described flue and drum 14 are arranged on same longitudinal axis, described burner is fixed on flue by flange 7, on the upper end of described flue and lower perforated plate 22, be all provided with the spaced through hole of three rows, described smoke pipe 13 is threaded flue, the corresponding through hole that is welded on flue upper end and lower perforated plate 22 of arranging, its two ends, form inside and outside three beams smoke pipe 13, described three beams smoke pipe 13 is arranged as concentric circles tubular, perpendicular to the ground the standing on lower perforated plate 22 of tube wall of described smoke pipe 13, the through hole of described lower perforated plate 22 is connected to exhanst gas outlet 27, described drum 14 upper ends arrange pressure gauge connection 9, pressure regulator valve interface 10 and water level interface 12, described drum 14 lower ends arrange soft water water inlet 23 and sewage draining exit 24, described sewage draining exit 24 is connected to lower perforated plate 22 inner sides, described drum 14 outsides are provided with insulating 15, described insulating 15 outsides are provided with baffle 16, in described shell base 20, be cast with special-shaped refractory material 25, described drum 14, flue, upper perforated plate 11, lower perforated plate 22 and end socket 7 surround an airtight pressure vessel that can hold water and steam, described scrubbing tower 31 is provided with gas approach 29 and exhaust opening 40, described circulating purifying device comprises feed tube 32, circulating pump 34, drain pipe 38, be arranged on the spray thrower 39 and the acid-base neutralization pond 30 that is arranged on scrubbing tower 31 bottoms, tower chambers of scrubbing tower 31 upper ends, tower chamber, described circulating pump 34 is connected with acid-base neutralization pond 30 by feed tube 32, circulating pump 34 is connected with spray thrower 39 by drain pipe 38, described acid-base neutralization pond 30 is provided with overfall 28, acid-base value detector and the acid & alkali liquid conveyer 33 being connected with acid-base neutralization pond 30, described waste-heat recovery device 37 is arranged on the pipeline of drain pipe 38, and connect cooling water inlet 35 and hot water outlet 36, the exhanst gas outlet 27 of described boiler body is connected with the gas approach 29 of scrubbing tower 31 by flue.
Operation principle of the present utility model is: by fuel feed system 4, fuel oil or combustion gas are inputted in combustion chamber 2, lighted through igniter 3, under the effect of blower fan 1, the fuel of lighting is blown in grid vapourizing unit 5, and enter in boiler through grid 52, because grid 52 is heated, grid 52 after heating is constantly further vaporized the fuel of lighting entering in it burn conversely again, make full combustion of fuel, the high-temperature flue gas producing after fuel combustion flows from top to bottom in flue, while arriving the bottom of flue, heated gas floating principle and high-speed flame are to the effect of entrainmenting refluxing, turn back and upwards flow and get back to flue top along inboard wall of furnace through end socket 21, formation center Hui Yan, by center Hui Yan, fuel is fully burned again, increase flue gas disturbance simultaneously, extend the time of staying of high-temperature flue gas in flue, can realize making full use of of heat energy, owing to being provided with double-deck flue, closed type and the heat insulating ability of boiler body are strengthened greatly, particularly outer courage 17 and inner bag 18 positive C type reinforcement 19 and the anti-C type reinforcement 20 of roll extrusion respectively, greatly improve the anti-pressure ability of flue, in process, flue is carried out to radiation and convection heat transfer, flue gas enters smoke pipe by the smoke pipe entrance on flue top to carry out after convection heat transfer, send into by flue in scrubbing tower 31 through exhanst gas outlet 27, flue gas is in the time of the spray thrower 39 through in scrubbing tower 31, contained S02 in flue gas, NOx, TSP, CO and with heat absorbed by the water spraying from spray thrower 39, form high temperature, acid condensate water, accumulate scrubbing tower, in the acid-base neutralization pond 30 of 31 bottoms, remove contained S02, NOx, TSP, the clean low-temperature flue gas of CO passes through the exhaust opening 40 of scrubbing tower 31 discharged to atmosphere, accumulate in the high temperature in acid-base neutralization pond 31, acid condensed water is detected the acidity of condensed water by the acid-base value detector being connected with acid & alkali liquid conveyer 33, and the appropriate basic agent of automatic transport, the neutral hot water that is neutralized rear formation enters circulating pump 34 by feed tube 32, enter in drain pipe 38 by circulating pump 34, in drain pipe 38 by waste-heat recovery device 37 by the waste heat recovery in water, water after being cooled enters again spray thrower 39 flue gas is carried out to spray washing, form flue gas recirculation purified treatment, in the time that the hot water in acid-base neutralization pond 30 exceedes overfall 17, discharge scrubbing tower 31 by overfall 17.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.

Claims (7)

1. an energy-saving, environmental protection boiler, comprise burner, boiler body and fume emission waste-heat recovery device, it is characterized in that, described burner comprises blower fan (1), combustion chamber (2), igniter (3), fuel supply system (4) and grid vapourizing unit (5), described boiler body comprises drum (14), flue, smoke pipe (13) and drum base (26), described smoke discharging device comprises scrubbing tower (31), circulating purifying device and waste-heat recovery device (37), the air outlet of described blower fan (1) connects combustion chamber (2), described grid vapourizing unit (5) one end is communicated with combustion chamber (2), the other end is communicated with boiler body, be positioned between combustion chamber (2) and boiler body, described grid vapourizing unit (5) is by shell (1) and grid (52) affixed composition, described drum (14) vertically stands on ground, the upper and lower both ends horizontal welding of described drum (14) upper perforated plate (11) and lower perforated plate (22), described upper perforated plate (11) is provided with relief valve connection (6) and steam or hot water outlet (8), described boiler body lower end is provided with exhanst gas outlet (27), described flue is the double-deck flue of waveform configuration, comprise outer courage (17), inner bag (18), flange (7) and end socket (21), on described flange (7), be provided with equally distributed screwed hole, described flue and drum (14) are arranged on same longitudinal axis, described burner is fixed on flue by flange (7), on the upper end of described flue and lower perforated plate (22), be all provided with the spaced through hole of three rows, described smoke pipe (13) is threaded flue, the corresponding through hole that is welded on flue upper end and lower perforated plate (22) of arranging, its two ends, form inside and outside three beams smoke pipe (13), perpendicular to the ground the standing on lower perforated plate (22) of tube wall of described smoke pipe (13), the through hole of described lower perforated plate (22) is connected to exhanst gas outlet (27), described drum (14) upper end arranges pressure gauge connection (9), pressure regulator valve interface (10) and water level interface (12), described drum (14) lower end arranges soft water water inlet (23) and sewage draining exit (24), described sewage draining exit (24) is connected to lower perforated plate (22) inner side, described drum (14), flue, upper perforated plate (11), lower perforated plate (22) and end socket (7) surround an airtight pressure vessel that can hold water and steam, described scrubbing tower (31) is provided with gas approach (29) and exhaust opening (40), described circulating purifying device comprises feed tube (32), circulating pump (34), drain pipe (38), be arranged on the spray thrower (39) of upper end, scrubbing tower (31) tower chamber and be arranged on the acid-base neutralization pond (30) of scrubbing tower (31) tower chamber bottom, described circulating pump (34) is connected with acid-base neutralization pond (30) by feed tube (32), circulating pump (34) is connected with spray thrower (39) by drain pipe (38), described acid-base neutralization pond (30) is provided with overfall (28), acid-base value detector and the acid & alkali liquid conveyer (33) being connected with acid-base neutralization pond (30), described waste-heat recovery device (37) is arranged on the pipeline of drain pipe (38), and connect cooling water inlet (35) and hot water outlet (36), the exhanst gas outlet (27) of described boiler body is connected with the gas approach (29) of scrubbing tower (31) by flue.
2. energy-saving, environmental protection boiler according to claim 1, is characterized in that, described grid (52) is made up of the affixed stainless steel materials of intersection.
3. energy-saving, environmental protection boiler according to claim 1, is characterized in that, described outer courage (2) has been gone up around roll extrusion many positive C type reinforcements (19), and inner bag (18) has been gone up around roll extrusion many anti-C type reinforcements (20).
4. according to the energy-saving, environmental protection boiler described in claim 1 or 3, it is characterized in that, described outer courage (17) and inner bag (18) all adopt high temperature resistant stainless steel plate to make.
5. energy-saving, environmental protection boiler according to claim 1, is characterized in that, described drum (14) outside is provided with insulating (15), and described insulating (15) outside is provided with baffle (16).
6. energy-saving, environmental protection boiler according to claim 1, is characterized in that, described three beams smoke pipe (13) is arranged as concentric circles tubular.
7. energy-saving, environmental protection boiler according to claim 1, is characterized in that, in described shell base (20), is cast with special-shaped refractory material (25).
CN201420464983.XU 2014-08-18 2014-08-18 A kind of energy-saving, environmental protection boiler Withdrawn - After Issue CN203980238U (en)

Priority Applications (1)

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CN201420464983.XU CN203980238U (en) 2014-08-18 2014-08-18 A kind of energy-saving, environmental protection boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420464983.XU CN203980238U (en) 2014-08-18 2014-08-18 A kind of energy-saving, environmental protection boiler

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CN203980238U true CN203980238U (en) 2014-12-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154520A (en) * 2014-08-18 2014-11-19 皖西学院 Energy-saving and environment-friendly boiler
CN106524136A (en) * 2017-01-05 2017-03-22 何小群 Biomass combustion furnace
CN107940451A (en) * 2017-10-20 2018-04-20 郑东亮 A kind of chemical industry highly effective and safe environmental protection heating combustion furnace

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154520A (en) * 2014-08-18 2014-11-19 皖西学院 Energy-saving and environment-friendly boiler
CN104154520B (en) * 2014-08-18 2015-11-04 皖西学院 A kind of energy-saving, environmental protection boiler
CN106524136A (en) * 2017-01-05 2017-03-22 何小群 Biomass combustion furnace
CN107940451A (en) * 2017-10-20 2018-04-20 郑东亮 A kind of chemical industry highly effective and safe environmental protection heating combustion furnace

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20141203

Effective date of abandoning: 20151104

C25 Abandonment of patent right or utility model to avoid double patenting