CN104456593A - Wood fuel boiler tail gas energy-saving environment-friendly treatment system - Google Patents
Wood fuel boiler tail gas energy-saving environment-friendly treatment system Download PDFInfo
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- CN104456593A CN104456593A CN201410694989.0A CN201410694989A CN104456593A CN 104456593 A CN104456593 A CN 104456593A CN 201410694989 A CN201410694989 A CN 201410694989A CN 104456593 A CN104456593 A CN 104456593A
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- water
- boiler
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- dust removal
- sedimentation basin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The invention relates to a wood fuel boiler tail gas energy-saving environment-friendly treatment system which comprises a boiler, smoke pipes, a water pipe, a waste heat utilization device, a water curtain dust removal device, an induced draft fan and a chimney. The waste heat utilization device comprises a heat preservation water box, a water pump A, a preheating water box and a bifurcation heat transfer pipeline. The water curtain dust removal device comprises a dust removal tower, an annular water curtain dust removal pipe, a water pump B and a classification sediment water supply pool. A boiler smoke outlet, the bifurcation heat transfer pipeline, the dust removal tower, the induced draft fan and the chimney are sequentially connected through the smoke pipes. The waste heat utilization device is connected with a water inlet of the boiler through the water pipe. Tail gas of the boiler is treated by the waste heat utilization device and the water curtain dust removal device and changed into qualified gas which is low in temperature and less in smoke and finally enters the chimney through the induced draft fan and is exhausted. According to the system, the temperature of the exhausted tail gas and the amount of smoke are reduced, water for the boiler is preheated through heat of tail gas of the boiler, the environment and devices such as the chimney and the smoke pipes are protected, and meanwhile energy consumption of the boiler is reduced.
Description
Technical field
The present invention relates to a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system, especially temperature and the flue dust quantity of exhaust emissions can be reduced, the heat preheating water for boiler that can utilize again boiler exhaust gas and the boiler exhaust gas energy-conserving and environment-protective treatment system recycling water for dust removal.
Background technology
Economize energy and protection of the environment are long-range strategy tasks of Chinese national economy and social sustainable development.The use of wood fuel boiler in the market also exists vent gas treatment not comprehensively defect.
First, after some enterprise's boiler combustions, high-temperature tail gas is directly disposed to air, waste heat energy, atmosphere pollution, corrosion chimney, and damage equipment, increases the production cost of enterprise; The second, all adopt water spray to carry out dedusting cooling process for a lot of enterprise of flue gas, only play dedusting and cooling effect, not by heat recovery, and the water after process directly emits, and does not recycle, greatly wastes water resource; 3rd, some enterprise's boilers or only have tail gas waste heat utilizing device, or only have dedusting heat sink, lack and integrate UTILIZATION OF VESIDUAL HEAT IN, dedusting cooling, recycle the exhaust treatment system of water for dust removal several functions.
Therefore, we in the urgent need to a kind of cheap, be applicable to using integrate UTILIZATION OF VESIDUAL HEAT IN, dedusting cooling, recycle the boiler exhaust gas treatment facility of water for dust removal several functions.
Summary of the invention
In order to the use overcoming existing wood fuel boiler also exists the exhaust treatment system that shortage integrates UTILIZATION OF VESIDUAL HEAT IN, water for dust removal several functions is lowered the temperature, recycled in dedusting, the invention provides a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system, comprises boiler, smoke pipe, water pipe, residual heat using device, dust collector of water curtain, air-introduced machine and chimney; Described residual heat using device comprises attemperater, water pump A, preheating water tank and fork heat transfer pipe; Described dust collector of water curtain comprises gas wash tower, annular water curtain dust removing tube, water pump B and fractional precipitation feed cistern; Boiler smoke outlet, fork heat transfer pipe, gas wash tower, air-introduced machine are connected by smoke pipe successively with chimney; Boiler feed water mouth, attemperater, water pump A, preheating water tank are connected successively by water pipe; Annular water curtain dust removing tube, water pump B are connected by water pipe successively with fractional precipitation feed cistern; Water inlet pipe mouth is arranged at described preheating water tank top, delivery port is arranged at bottom, and preheating water tank surrounds fork heat transfer pipe; Described fractional precipitation feed cistern is connected with gas wash tower by water pipe; Described attemperater bottom level is higher than boiler top; Described gas wash tower divides left and right two tower bodies, and left and right two tower body is communicated with by upper beam siphunculus, is evenly distributed with aperture in the middle part of left part tower body; Described annular water curtain dust removing tube is fixed on the outside middle part of gas wash tower left part tower body, and in annular water curtain dust removing tube ring, part is evenly distributed with the water outlet tubule of end strips fog-spray nozzle, and described water outlet tubule inserts in gas wash tower left part tower body aperture.
Described fractional precipitation feed cistern left side wall has dust waste water entrance, right side wall has clear water supply entrance, middle part is from left to right sedimentation basin 1, sedimentation basin 2, sedimentation basin 3 and clear water reserviors successively, each sedimentation basin has sedimentation basin divides, sedimentation basin demarcation strip top has water outlet notch, and adjacent water outlet notch is arranged near different lateral place, front and back.
All have smoke pipe interface about described fork heat transfer pipe, mid portion has the disk of two closed hollow, and be welded with many metal tubes between two disks, metal tube connects the disk of two hollows.
The invention has the beneficial effects as follows: in structure is own, structure is simple, the low easy care of cost, and easily operates, safe and reliable; In result of use, reach integrate UTILIZATION OF VESIDUAL HEAT IN, dedusting cooling, recycle water for dust removal several functions, economize energy, using water wisely, protection of the environment, proterctive equipment, be applicable to other boiler exhaust gas process except wood fuel.
Accompanying drawing explanation
Fig. 1 is the appearance assumption diagram of invention.
Fig. 2 is the grading sedimentation tank top view of invention.
Fig. 3 is fork heat transfer pipe front view of the present invention.
Fig. 4 is gas wash tower sectional view of the present invention.
Fig. 5 is annular water curtain dust removing tube top view of the present invention.
In figure 1, boiler, 2, attemperater, 3, water pump A, 4, smoke pipe, 5, preheating water tank, 6, gas wash tower, 7, annular water curtain dust removing tube, 8, water pump B, 9, fractional precipitation feed cistern, 10, air-introduced machine, 11, chimney, 12, fork heat transfer pipe, 13, sedimentation basin one, 14, sedimentation basin two, 15, sedimentation basin three, 16, clear water reserviors, 17, water pipe.
Detailed description of the invention
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system, comprises boiler 1, smoke pipe 4, water pipe 17, residual heat using device, dust collector of water curtain, air-introduced machine 10 and chimney 11; Described residual heat using device comprises attemperater 2, water pump A3, preheating water tank 5 and fork heat transfer pipe 12; Described dust collector of water curtain comprises gas wash tower 6, annular water curtain dust removing tube 7, water pump B8 and fractional precipitation feed cistern 9; Boiler 1 exhaust opening, fork heat transfer pipe 12, gas wash tower 6, air-introduced machine 10 are connected by smoke pipe 4 successively with chimney 11; Boiler 1 water inlet, attemperater 2, water pump A3, preheating water tank 5 are connected successively by water pipe 17; Annular water curtain dust removing tube 7, water pump B8 are connected by water pipe 17 successively with fractional precipitation feed cistern 9; Water inlet pipe mouth is arranged at described preheating water tank 5 top, delivery port is arranged at bottom, and preheating water tank 5 surrounds fork heat transfer pipe 12; Described fractional precipitation feed cistern 9 is connected with gas wash tower 6 by water pipe 17; Described attemperater 2 bottom level is higher than boiler 1 top; Described gas wash tower about 6 points two tower bodies, left and right two tower body is communicated with by upper beam siphunculus, is evenly distributed with aperture in the middle part of left part tower body; Described annular water curtain dust removing tube 7 is fixed on the outside middle part of gas wash tower 6 left part tower body, and in annular water curtain dust removing tube 7 ring, part is evenly distributed with the water outlet tubule of end strips fog-spray nozzle, and described water outlet tubule inserts in gas wash tower 6 left part tower body aperture.
Described fractional precipitation feed cistern 9 left side wall has dust waste water entrance, right side wall has clear water supply entrance, middle part is from left to right sedimentation basin 1, sedimentation basin 2 14, sedimentation basin 3 15 and clear water reserviors 16 successively, each sedimentation basin has sedimentation basin divides, sedimentation basin demarcation strip top has water outlet notch, and adjacent water outlet notch is arranged near different lateral place, front and back.
Described fork heat transfer pipe about 12 all has smoke pipe interface, and mid portion has the disk of two closed hollow, and be welded with many metal tubes between two disks, metal tube connects the disk of two hollows.
Principle of the present invention and implementation process as follows: in boiler 1 combustion process, boiler exhaust gas by each connection smoke pipe 4 flow through successively fork heat transfer pipe 12, gas wash tower 6, air-introduced machine 10 and chimney 11, finally discharge; After high-temperature tail gas flows into fork heat transfer pipe 12, the water that tail gas heat quantity is preheated water tank 5 absorbs, high-temperature tail gas temperature reduces, the coolant-temperature gage of preheating water tank 5 raises as warm water, water pump A3 is by the warm water suction attemperater 2 of preheating water tank 5 simultaneously, warm water is injected boiler 1 by self gravitation effect by the warm water in attemperater 2, and preheating water tank 5 water inlet supplements tail gas cooling water continually; After tail gas flows into gas wash tower 6 left part tower body, flue dust in tail gas is dropped by the water in dust removal absorption that annular water curtain dust removing tube 7 sprays, become the gas that flue dust quantity is few, temperature is low, again through the further sedimentation fine soot of gas wash tower 6 right part tower body, become the acceptable gas that temperature is low, flue dust is fewer, finally discharged by air-introduced machine 10 suction chimney 11; Fractional precipitation feed cistern 9 is flowed into through dust waste water entrance after the water in dust removal that annular water curtain dust removing tube 7 sprays drops, water in dust removal becomes clear water and flows into clear water reserviors 16 after flowing through sedimentation basin 1, sedimentation basin 2 14, sedimentation basin 3 15, recycled by water pump B8 suction annular water curtain dust removing tube 7, clear water reserviors 16 clear water supply entrance flows into clear water and supplements the water yield run off in dust removal process again.
Claims (3)
1. a wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system, comprises boiler (1), smoke pipe (4), water pipe (17), residual heat using device, dust collector of water curtain, air-introduced machine (10) and chimney (11); Described residual heat using device comprises attemperater (2), water pump A(3), preheating water tank (5) and fork heat transfer pipe (12); Described dust collector of water curtain comprises gas wash tower (6), annular water curtain dust removing tube (7), water pump B(8) and fractional precipitation feed cistern (9); Boiler (1) exhaust opening, fork heat transfer pipe (12), gas wash tower (6), air-introduced machine (10) are connected by smoke pipe (4) successively with chimney (11); Boiler (1) water inlet, attemperater (2), water pump A(3), preheating water tank (5) connected successively by water pipe (17); Annular water curtain dust removing tube (7), water pump B(8) be connected successively by water pipe (17) with fractional precipitation feed cistern (9); Water inlet pipe mouth is arranged at described preheating water tank (5) top, delivery port is arranged at bottom, and preheating water tank (5) surrounds fork heat transfer pipe (12); Described fractional precipitation feed cistern (9) is connected with gas wash tower (6) by water pipe (17); Described attemperater (2) bottom level is higher than boiler (1) top; Described gas wash tower (6) point two tower bodies in left and right, left and right two tower body is communicated with by upper beam siphunculus, is evenly distributed with aperture in the middle part of left part tower body; Described annular water curtain dust removing tube (7) is fixed on the outside middle part of gas wash tower (6) left part tower body, and part is evenly distributed with the water outlet tubule of end strips fog-spray nozzle in annular water curtain dust removing tube (7) ring, described water outlet tubule inserts in gas wash tower (6) left part tower body aperture.
2. a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system according to claim 1, it is characterized in that: described fractional precipitation feed cistern (9) left side wall has dust waste water entrance, right side wall has clear water supply entrance, middle part is from left to right sedimentation basin one (13), sedimentation basin two (14), sedimentation basin three (15) and clear water reserviors (16) successively, each sedimentation basin has sedimentation basin divides, sedimentation basin demarcation strip top has water outlet notch, and adjacent water outlet notch is arranged near different lateral place, front and back.
3. a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system according to claim 1, it is characterized in that: all there is smoke pipe interface described fork heat transfer pipe (12) left and right, mid portion has the disk of two closed hollow, be welded with many metal tubes between two disks, metal tube connects the disk of two hollows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694989.0A CN104456593B (en) | 2014-11-27 | 2014-11-27 | Wood fuel boiler tail gas energy-saving environment-friendly treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410694989.0A CN104456593B (en) | 2014-11-27 | 2014-11-27 | Wood fuel boiler tail gas energy-saving environment-friendly treatment system |
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| CN104456593A true CN104456593A (en) | 2015-03-25 |
| CN104456593B CN104456593B (en) | 2017-02-22 |
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| CN201410694989.0A Expired - Fee Related CN104456593B (en) | 2014-11-27 | 2014-11-27 | Wood fuel boiler tail gas energy-saving environment-friendly treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733813A (en) * | 2016-04-07 | 2016-07-06 | 广西贵港市宏利生物能源科技有限公司 | Distillation production method and device of agilawood essential oil |
| CN107179006A (en) * | 2017-07-14 | 2017-09-19 | 河南省德耀节能科技股份有限公司 | A kind of kiln system |
Citations (7)
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|---|---|---|---|---|
| EP0152061A2 (en) * | 1984-02-15 | 1985-08-21 | Silvano Cappi | Apparatus for the disposal of flue gas from gas or liquid-fuel boiler-burner groups |
| JPH0647224A (en) * | 1992-07-28 | 1994-02-22 | Topy Ind Ltd | Waste gas treatment |
| CN1629540A (en) * | 2003-12-18 | 2005-06-22 | 唐春芳 | Chimney cleaner |
| CN203043781U (en) * | 2013-02-04 | 2013-07-10 | 薛悌尧 | Desulfurization dust-removal device |
| CN104165349A (en) * | 2014-07-25 | 2014-11-26 | 奉化市大埠冷冻食品有限公司 | Boiler waste heat utilizing device |
| CN104165365A (en) * | 2014-02-17 | 2014-11-26 | 歙县绿源环保设备有限公司 | Garbage incineration disposal device |
| CN204285493U (en) * | 2014-11-27 | 2015-04-22 | 广西康佳龙农牧集团有限公司 | Wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system |
-
2014
- 2014-11-27 CN CN201410694989.0A patent/CN104456593B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0152061A2 (en) * | 1984-02-15 | 1985-08-21 | Silvano Cappi | Apparatus for the disposal of flue gas from gas or liquid-fuel boiler-burner groups |
| EP0152061A3 (en) * | 1984-02-15 | 1987-01-28 | Silvano Cappi | Apparatus for the disposal of flue gas from gas or liquid-fuel boiler-burner groups |
| JPH0647224A (en) * | 1992-07-28 | 1994-02-22 | Topy Ind Ltd | Waste gas treatment |
| CN1629540A (en) * | 2003-12-18 | 2005-06-22 | 唐春芳 | Chimney cleaner |
| CN203043781U (en) * | 2013-02-04 | 2013-07-10 | 薛悌尧 | Desulfurization dust-removal device |
| CN104165365A (en) * | 2014-02-17 | 2014-11-26 | 歙县绿源环保设备有限公司 | Garbage incineration disposal device |
| CN104165349A (en) * | 2014-07-25 | 2014-11-26 | 奉化市大埠冷冻食品有限公司 | Boiler waste heat utilizing device |
| CN204285493U (en) * | 2014-11-27 | 2015-04-22 | 广西康佳龙农牧集团有限公司 | Wood fuel boiler exhaust gas energy-conserving and environment-protective treatment system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733813A (en) * | 2016-04-07 | 2016-07-06 | 广西贵港市宏利生物能源科技有限公司 | Distillation production method and device of agilawood essential oil |
| CN107179006A (en) * | 2017-07-14 | 2017-09-19 | 河南省德耀节能科技股份有限公司 | A kind of kiln system |
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| Publication number | Publication date |
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| CN104456593B (en) | 2017-02-22 |
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Granted publication date: 20170222 Termination date: 20171127 |