CN102954481B - Boiler flue heat recovery energy-conserving and environment-protective system - Google Patents
Boiler flue heat recovery energy-conserving and environment-protective system Download PDFInfo
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- CN102954481B CN102954481B CN201210461972.1A CN201210461972A CN102954481B CN 102954481 B CN102954481 B CN 102954481B CN 201210461972 A CN201210461972 A CN 201210461972A CN 102954481 B CN102954481 B CN 102954481B
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Abstract
The present invention relates to a kind of boiler flue heat recovery energy-conserving and environment-protective system, comprise boiler and flue, also comprise: heat accumulation dust arrester, heat-exchange dedusting device, boiler feed water pipeline.Boiler combustion produces high heat flue gas and enters heat accumulation dust arrester by flue, water then in heat accumulation dust arrester water storage cavity can absorb in a large number flue gas with heat, the flue dust simultaneously entrained by flue gas is precipitated to the bottom of heat accumulation dust arrester because temperature reduces.Flue gas after once filtering is inhaled into heat-exchange dedusting device by air-introduced machine, flue gas institute's heat content and harmful substance are all absorbed by the moisture in heat-exchange dedusting device water storage cavity, filter, desulfurization, then discharged by fume emission mouth, discharge be smoke dust gas.Can second-time burning be carried out after the Treatment of Coal Ash simultaneously filtered down by heat accumulation deduster and heat-exchange dedusting, make full use of resource, greatly save fire coal, be conducive to environmental protection and energy saving.
Description
Technical field
The present invention relates to a kind of boiler technology field, specifically, relate to a kind of can recovery boiler flue heat and there is the system of dedusting environment friendly function simultaneously.
Background technology
Along with the raising of people's environmental consciousness, the dedusting of boiler and waste water treatment are had higher requirement; The flue-gas temperature of existing boiler flue discharge is general higher, if these heats are not recycled, can cause larger waste to the energy.Meanwhile, existing boiler dusting generally adopts aerosolater, and cause device structure complicated, and dust removing effects is undesirable, the pollution gas that some can be water-soluble thoroughly can not process and just enter air, causes certain pollution to environment.
Summary of the invention
The invention provides a kind of boiler flue heat recovery energy-conserving and environment-protective system, its compact conformation, energy ezpenditure is little, and waste heat recovery rate is high, good dedusting effect, can make split or integral type according to the actual requirements.
In order to reach the object solved the problem, technical scheme of the present invention is:
A kind of boiler flue heat recovery energy-conserving and environment-protective system, comprise boiler and flue, described system also comprises:
Heat accumulation dust arrester, the middle part of described heat accumulation dust arrester is set to water storage cavity, offers flue in described water storage cavity, and the top of described heat accumulation dust arrester is provided with flue entrance, bottom is provided with flue outlet, and described flue entrance and flue outlet are connected to flue;
Heat-exchange dedusting device, be water storage cavity in described heat-exchange dedusting device, the described flue connected with heat accumulation dust arrester flue outlet stretches into the bottom of water storage cavity, and the top of described heat-exchange dedusting device offers fume emission outlet;
Boiler feed water pipeline, described boiler feed water pipeline to stretch in heat-exchange dedusting device and connects with the water storage cavity of heat accumulation dust arrester after stretching out heat-exchange dedusting device, the water storage cavity of described heat accumulation dust arrester connects with the water storage cavity of boiler, and described boiler feed water pipeline is provided with circulating pump.
In order to increase the rate of recovery of heat, described in stretch into boiler feed water pipeline in heat-exchange dedusting device in the shape of a spiral or U-shape arrangement.
Conveniently to the timely cleaning of heat accumulation dust arrester and heat-exchange dedusting device, the bottom of described heat accumulation dust arrester is provided with valve, and top is provided with rinse mouth; The bottom of described heat-exchange dedusting device is provided with valve, and top is provided with water inlet.
Preferably, described boiler comprises combustion chamber, and the periphery of combustion chamber and top are set to the water storage cavity of boiler; Be provided with many heating tubes connected with water storage cavity in combustion chamber, the top of heating tube connects with the water storage cavity of top of combustion chamber and is set to vertically, and the bottom of heating tube connects with the water storage cavity of periphery, combustion chamber and is set to arc; The water storage cavity of described top of combustion chamber offers flue; The top of described boiler connects with flue.
Further, the water storage cavity of described boiler furnace periphery is connected with boiler water supply mouth.
Conveniently to the cleaning of boiler, the bottom of described boiler is provided with valve, and top is provided with rinse mouth.
Preferably, be provided with domestic water heat exchanging pipe in the water storage cavity of described top of combustion chamber, described domestic water heat exchanging pipe distributes in the shape of a spiral.
Preferably, described flue is provided with air-introduced machine.
Further, described boiler is provided with temperature-detecting device, and temperature-detecting device detects the temperature of water in boiler and controls the duty of air-introduced machine.
Preferably, described system also comprises sewage-treatment plant.
The present invention has the following advantages and good effect: boiler combustion of the present invention produces high heat flue gas and enters heat accumulation dust arrester by flue, water then in heat accumulation dust arrester water storage cavity can absorb in a large number flue gas with heat, the flue dust simultaneously entrained by flue gas is precipitated to the bottom of heat accumulation dust arrester because temperature reduces.Flue gas after once filtering is inhaled into heat-exchange dedusting device by air-introduced machine, flue gas institute's heat content and harmful substance are all absorbed by the moisture in heat-exchange dedusting device water storage cavity, filter, desulfurization, then discharged by fume emission mouth, discharge be smoke dust gas.Can second-time burning be carried out after the Treatment of Coal Ash simultaneously filtered down by heat accumulation deduster and heat-exchange dedusting, make full use of resource, greatly save fire coal, be conducive to environmental protection and energy saving.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the specific embodiment of the invention.
Fig. 2 is the sectional structure schematic diagram of another one specific embodiment of the present invention.
Fig. 3 is the structural representation of specific embodiment of the invention domestic water pipeline.
Fig. 4 is the structural representation of specific embodiment of the invention sewage disposal dolly.
detailed description of the invention:
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As Figure 1-3, a kind of boiler flue heat recovery energy-conserving and environment-protective system, is first specifically described for split type, split typely refers to: boiler 1, heat accumulation dust arrester 3 and heat-exchange dedusting device 4 three design for independent separate body, are respectively described below:
Boiler 1, boiler 1 comprises combustion chamber 13, and the periphery of combustion chamber 13 and top are set to the water storage cavity 12 of boiler.Many the heating tubes 14 connected with water storage cavity 12 are provided with in combustion chamber 13, the top of heating tube 14 connects with the water storage cavity 12 at top, combustion chamber 13 and is set to vertically, the bottom of heating tube 14 connects with the water storage cavity 12 of periphery, combustion chamber 13 and is set to arc, such design, advantageously in cleaning and the discharge of incrustation scale; Flue 15 is offered at the water storage cavity 12 at top, combustion chamber 13; The top of boiler 1 connects with flue 2.The water storage cavity 12 of boiler furnace 13 periphery is connected with boiler water supply mouth 16, for the water supply of boiler.Meanwhile, the conveniently daily life water of user, is generally provided with domestic water heat exchanging pipe 6 in the water storage cavity 12 at top, combustion chamber 13, and in order to increase heat exchanger effectiveness, domestic water heat exchanging pipe 6 distributes in the shape of a spiral, as shown in Figure 3.The bottom of boiler 1 is set to netted furnace bottom 46, and has ventilating opening 45, and the bottom of boiler 1 is provided with valve 17, for discharging the grey matter of having burnt, meanwhile, the top of boiler 1 is provided with rinse mouth 18, can be used for carrying out flushing cleaning to boiler.
Heat accumulation dust arrester 3, the middle part of heat accumulation dust arrester 3 is set to water storage cavity 31, offers flue 32 in water storage cavity 31, and the top of heat accumulation dust arrester 3 is provided with flue entrance 33, bottom is provided with flue outlet 34, and flue entrance 33 and flue outlet 34 are connected to flue 2.The bottom of heat accumulation dust arrester 3 is provided with valve 35, and top is provided with rinse mouth 36.When the flue dust in heat accumulation dust arrester 3 is saved bit by bit more, then open bottom valve 35, flue dust is discharged.Meanwhile, water source can be passed at the rinse mouth 36 at top to rinse.The sewage rinsed is processed by sewage-treatment plant.
Heat-exchange dedusting device 4, be water storage cavity 41 in heat-exchange dedusting device 4, the flue 2 connected with heat accumulation dust arrester 3 flue outlet 34 stretches into the bottom of water storage cavity 41, flue gas is after the water purification filter in water storage cavity 41, and the fume emission outlet 42 of being offered by heat-exchange dedusting device 4 top is discharged; The bottom of heat-exchange dedusting device 4 is provided with valve 43, and top is provided with water inlet 44.When the flue dust of heat-exchange dedusting device 4 inner storing water cavity 41 is saved bit by bit more, then open bottom valve 43, the sewage being full of flue dust is discharged, and is processed by sewage-treatment plant.Meanwhile, water source can be passed at the water inlet 44 at top to rinse.The sewage rinsed is processed by sewage-treatment plant.
Boiler feed water pipeline 11, boiler feed water pipeline 11 to stretch in heat-exchange dedusting device 4 and connects with the water storage cavity 31 of heat accumulation dust arrester 3 after stretching out heat-exchange dedusting device 4, the water storage cavity 31 of heat accumulation dust arrester 3 connects with the water storage cavity 12 of boiler 1, and boiler feed water pipeline 11 is provided with circulating pump 5.Wherein, in order to accelerate heat exchange efficiency, stretch into boiler feed water pipeline 11 in heat-exchange dedusting device 4 in the shape of a spiral or U-shape arrangement.
Flue 2 is also provided with air-introduced machine 7.Boiler 1 is provided with temperature-detecting device, and temperature-detecting device detects the temperature of water in boiler and controls the duty of air-introduced machine 7.
Sewage-treatment plant is directly arranged at boiler flue heat recovery energy-conserving and environment-protective system bottom, and comprise filter course 9 and sewage draining exit 10 after filtering, then flue dust is filtered out by filter course, and the water filtered is discharged by sewage draining exit 10 after filtration, does not pollute the environment.Certainly, sewage-treatment plant also can be independent sewage disposal dolly, sewage disposal dolly is provided with filter course 9 and sewage draining exit 10 after filtering.This kind of mode is flexible and changeable, does not take up room.
During use, coal is added by the coal feed point 8 of boiler 1, coal is in combustion chamber 13 combustion, thus the water in boiler 1 is heated, boiler 1 burning produces high heat flue gas and enters heat accumulation dust arrester 3 by flue 2, water then in heat accumulation dust arrester 3 water storage cavity 31 can absorb in a large number flue gas with heat, the flue dust simultaneously entrained by flue gas is precipitated to the bottom of heat accumulation dust arrester 31 because temperature reduces.Flue gas after once filtering is inhaled into heat-exchange dedusting device 4 by air-introduced machine 7, flue gas institute's heat content and harmful substance are all absorbed by the moisture in heat-exchange dedusting device 4 water storage cavity 41, filter, desulfurization, then discharged by fume emission mouth 42, what discharge is smoke dust gas, does not pollute the environment.Boiler feed water pipeline 11 enters the water storage cavity 31 of boiler after carrying out the recovery of heat by heat-exchange dedusting device 4 and heat accumulation dust arrester 3, take full advantage of the heat that boiler produces, saved the energy.
Certainly, the overall structure of the formation one that boiler 1, heat accumulation dust arrester 3 and heat-exchange dedusting device 4 is set together can make structure of the present invention compacter, and its concrete part is split type identical with above-mentioned with operation principle, no longer describes in detail herein.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a boiler flue heat recovery energy-conserving and environment-protective system, comprises boiler (1) and flue (2), it is characterized in that: described system also comprises:
Heat accumulation dust arrester (3), the middle part of described heat accumulation dust arrester (3) is set to water storage cavity (31), flue (32) is offered in described water storage cavity (31), the top of described heat accumulation dust arrester (3) is provided with flue entrance (33), bottom is provided with flue outlet (34), described flue entrance (33) and flue outlet (34) are connected to flue (2), the bottom of described heat accumulation dust arrester (3) is provided with valve (35), and top is provided with rinse mouth (36);
Heat-exchange dedusting device (4), be water storage cavity (41) in described heat-exchange dedusting device, the described flue (2) connected with heat accumulation dust arrester (3) flue outlet (34) stretches into the bottom of water storage cavity (41), the top of described heat-exchange dedusting device (4) offers fume emission outlet (42), the bottom of described heat-exchange dedusting device (4) is provided with valve (43), and top is provided with water inlet (44);
Boiler feed water pipeline (11), described boiler feed water pipeline (11) to be stretched in heat-exchange dedusting device (4) and is stretched out heat-exchange dedusting device (4) and connects with the water storage cavity (31) of heat accumulation dust arrester (3) afterwards, the water storage cavity (31) of described heat accumulation dust arrester (3) connects with the water storage cavity (12) of boiler (1), and described boiler feed water pipeline (11) is provided with circulating pump (5);
Described boiler (1) comprises combustion chamber (13), and the periphery of combustion chamber (13) and top are set to the water storage cavity (12) of boiler; Many the heating tubes (14) connected with water storage cavity (12) are provided with in combustion chamber (13), the top of heating tube (14) connects with the water storage cavity (12) at combustion chamber (13) top and is set to vertically, and the water storage cavity (12) that the bottom of heating tube (14) is peripheral with combustion chamber (13) connects and is set to arc; The water storage cavity (12) at described combustion chamber (13) top offers flue (15); The top of described boiler (1) connects with flue (2).
2. boiler flue heat recovery energy-conserving and environment-protective system according to claim 1, is characterized in that: described in stretch into boiler feed water pipeline (11) in heat-exchange dedusting device (4) in the shape of a spiral or U-shape arrangement.
3. boiler flue heat recovery energy-conserving and environment-protective system according to claim 1, is characterized in that: the water storage cavity (12) that described boiler furnace (13) is peripheral is connected with boiler water supply mouth (16).
4. boiler flue heat recovery energy-conserving and environment-protective system according to claim 1, is characterized in that: the bottom of described boiler (1) is provided with valve (17), and top is provided with rinse mouth (18).
5. boiler flue heat recovery energy-conserving and environment-protective system according to claim 1, it is characterized in that: be provided with domestic water heat exchanging pipe (6) in the water storage cavity (12) at described combustion chamber (13) top, described domestic water heat exchanging pipe (6) distributes in the shape of a spiral.
6. the boiler flue heat recovery energy-conserving and environment-protective system according to claim 1-5, is characterized in that: described flue (2) is provided with air-introduced machine (7).
7. boiler flue heat recovery energy-conserving and environment-protective system according to claim 6, is characterized in that: described boiler (1) is provided with temperature-detecting device, and temperature-detecting device detects the temperature of water in boiler and controls the duty of air-introduced machine (7).
8. boiler flue heat recovery energy-conserving and environment-protective system according to claim 1, is characterized in that: described system also comprises sewage-treatment plant.
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| CN201210461972.1A CN102954481B (en) | 2012-11-16 | 2012-11-16 | Boiler flue heat recovery energy-conserving and environment-protective system |
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| CN201210461972.1A CN102954481B (en) | 2012-11-16 | 2012-11-16 | Boiler flue heat recovery energy-conserving and environment-protective system |
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| CN102954481A CN102954481A (en) | 2013-03-06 |
| CN102954481B true CN102954481B (en) | 2015-08-05 |
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| CN103486868B (en) * | 2013-09-18 | 2016-01-20 | 中国科学院广州能源研究所 | Efficient de-dirt Waste Heat Recovery energy saver |
| CN112325478B (en) * | 2020-11-19 | 2021-11-23 | 山东世光工业设备制造有限公司 | Energy-saving boiler flue gas waste heat recovery equipment |
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| BG62949B1 (en) * | 1997-01-30 | 2000-11-30 | Николай Н. Колев | Method for the recuperation of the heat of hot wet gases and plant for its materialization |
| CN201382400Y (en) * | 2009-02-25 | 2010-01-13 | 於伍贤 | Boiler heat exchanger |
| CN101648110A (en) * | 2008-08-14 | 2010-02-17 | 肖建选 | Waste heat recovery device with function of fuel gas purification |
| CN202289765U (en) * | 2011-08-16 | 2012-07-04 | 张勤英 | Boiler smoke dust recycling device |
| CN102767819A (en) * | 2012-07-13 | 2012-11-07 | 浙江工商大学 | Multi-stage biomass boiler flue gas and air heat recovery system and heat recovery method thereof |
| CN202532514U (en) * | 2012-04-05 | 2012-11-14 | 季义兵 | Energy-conservation and environment-friendly integrated device of industrial boiler |
| CN202993238U (en) * | 2012-11-16 | 2013-06-12 | 青岛敏深风电科技有限公司 | Boiler flue heat recovery energy-saving and environment-friendly system |
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2012
- 2012-11-16 CN CN201210461972.1A patent/CN102954481B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BG62949B1 (en) * | 1997-01-30 | 2000-11-30 | Николай Н. Колев | Method for the recuperation of the heat of hot wet gases and plant for its materialization |
| CN101648110A (en) * | 2008-08-14 | 2010-02-17 | 肖建选 | Waste heat recovery device with function of fuel gas purification |
| CN201382400Y (en) * | 2009-02-25 | 2010-01-13 | 於伍贤 | Boiler heat exchanger |
| CN202289765U (en) * | 2011-08-16 | 2012-07-04 | 张勤英 | Boiler smoke dust recycling device |
| CN202532514U (en) * | 2012-04-05 | 2012-11-14 | 季义兵 | Energy-conservation and environment-friendly integrated device of industrial boiler |
| CN102767819A (en) * | 2012-07-13 | 2012-11-07 | 浙江工商大学 | Multi-stage biomass boiler flue gas and air heat recovery system and heat recovery method thereof |
| CN202993238U (en) * | 2012-11-16 | 2013-06-12 | 青岛敏深风电科技有限公司 | Boiler flue heat recovery energy-saving and environment-friendly system |
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