CN104456593B - 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
- Publication number
- CN104456593B CN104456593B CN201410694989.0A CN201410694989A CN104456593B CN 104456593 B CN104456593 B CN 104456593B CN 201410694989 A CN201410694989 A CN 201410694989A CN 104456593 B CN104456593 B CN 104456593B
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- Prior art keywords
- water
- boiler
- pipe
- tower
- dust removal
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Classifications
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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
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 processing system, especially one kind can reduce tail gas
The temperature of discharge and flue dust quantity, and the heat preheating water for boiler of boiler exhaust gas and the pot recycling water for dust removal can be utilized
Furnace exhaust gas energy-conserving and environment-protective processing system.
Background technology
Energy saving and environmental protection, are long-range strategy tasks of Chinese national economy and social sustainable development.
The use of wood fuel boiler in the market has the not comprehensive defect of vent gas treatment.
First, after some enterprise's boiler combustions, high-temperature tail gas are directly discharged to air, waste heat energy, atmosphere pollution, corrosion
Chimney, damage equipment, increase the production cost of enterprise；Second, all dedusting fall is carried out using water spray for a lot of enterprise of flue gas
Temperature is processed, and only serves dedusting and cooling effect, and not by heat recovery, and the water after process directly emits, and does not follow
Ring utilizes, and significantly wastes water resource；3rd, some enterprise's boilers or only tail gas waste heat utilizing device, or only dedusting fall
Warm device, lacks and integrates UTILIZATION OF VESIDUAL HEAT IN, dedusting cooling, the exhaust treatment system of recycling water for dust removal several functions.
Therefore, we are in the urgent need to a kind of cheap, suitable collection UTILIZATION OF VESIDUAL HEAT IN using, dedusting cooling, recycling
Water for dust removal several functions are in the boiler exhaust gas processing equipment of one.
Content of the invention
Use in order to overcome existing wood fuel boiler has shortage collection UTILIZATION OF VESIDUAL HEAT IN, dedusting is lowered the temperature, circulation makes
With water for dust removal several functions in the exhaust treatment system of one, the present invention provides a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective
Processing system.
The technical solution adopted for the present invention to solve the technical problems is：At a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective
Reason system, including boiler, smoke pipe, water pipe, residual heat using device, dust collector of water curtain, air-introduced machine and chimney；Described UTILIZATION OF VESIDUAL HEAT IN
Device includes attemperater, water pump A, preheating water tank and fork heat transfer pipe；Described dust collector of water curtain includes 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 and chimney
It is sequentially connected by smoke pipe；Boiler feed water mouth, attemperater, water pump A, preheating water tank are sequentially connected by water pipe；Annular water curtain
Dust removing tube, water pump B and fractional precipitation feed cistern are sequentially connected by water pipe；Water inlet pipe mouth, bottom are arranged at described preheating water tank top
There is delivery port, 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 divide about two tower bodies, left and right two tower body pass through top
Crossbeam siphunculus connects, and is evenly distributed with aperture in the middle part of left part tower body；Described annular water curtain dust removing tube is fixed on gas wash tower left part tower
External body middle part, and annular water curtain dust removing tube ring interior part is evenly distributed with the water outlet tubule with fog-spray nozzle for the end, institute
State the water outlet tubule insertion little in the hole of gas wash tower left part tower body.
Described fractional precipitation feed cistern left side wall has dust waste water entrance, and right side wall has clear water supply entrance, pars intermedia
Position is from left to right sedimentation basin 1, sedimentation basin 2, sedimentation basin 3 and clear water reserviors successively, and each sedimentation basin has sedimentation basin demarcation strip to divide
Every sedimentation basin demarcation strip top has water outlet notch, and adjacent water outlet notch is positioned close at before and after's different lateral.
All have smoke pipe interface about described fork heat transfer pipe, mid portion have two closing hollows disks, two
It is welded with many metal tubes, metal tube connects the disk of two hollows between disk.
The invention has the beneficial effects as follows：At structure aspect itself, structure is simple, low cost easy care, and easily operates,
Safe and reliable；In using effect, reach and integrate UTILIZATION OF VESIDUAL HEAT IN, dedusting cooling, recycle water for dust removal several functions,
Energy saving, using water wisely, environmental protection, protection equipment is it is adaptable to other boiler exhaust gas in addition to wood fuel are processed.
Brief description
Fig. 1 is the appearance assumption diagram of invention.
Fig. 2 is the grading sedimentation tank top view of invention.
Fig. 3 is the fork heat transfer pipe front view of the present invention.
Fig. 4 is the gas wash tower sectional view of the present invention.
Fig. 5 is the 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 removes
Dirt pipe, 8, water pump B, 9, fractional precipitation feed cistern, 10, air-introduced machine, 11, chimney, 12, fork heat transfer pipe, 13, sedimentation basin one,
14th, sedimentation basin two, 15, sedimentation basin three, 16, clear water reserviors, 17, water pipe.
Specific embodiment
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective processing system, including boiler
1st, 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 bag
Include attemperater 2, water pump A3, preheating water tank 5 and fork heat transfer pipe 12；Described dust collector of water curtain includes 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 and chimney 11 be sequentially connected by smoke pipe 4；Boiler 1 water inlet, attemperater 2, water pump A3, preheating water tank 5 pass through water pipe 17
It is sequentially connected；Annular water curtain dust removing tube 7, water pump B8 and fractional precipitation feed cistern 9 are sequentially connected by water pipe；Described preheating water tank
5 tops have water inlet pipe mouth, bottom to have delivery port, and preheating water tank 5 surrounds fork heat transfer pipe 12；Described fractional precipitation supplies water
Pond 9 is connected with gas wash tower 6 by water pipe；Described attemperater 2 bottom level is higher than boiler 1 top；6 points about of described gas wash tower
Two tower bodies, left and right two tower body is connected 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 annular water curtain dust removing tube 7 ring interior part is uniformly divided
It is furnished with the water outlet tubule with fog-spray nozzle for the end, described water outlet tubule inserts the little in the hole of gas wash tower 6 left part tower body.
Described fractional precipitation feed cistern 9 left side wall has dust waste water entrance, and right side wall has clear water supply entrance, pars intermedia
Position is from left to right sedimentation basin 1, sedimentation basin 2 14, sedimentation basin 3 15 and clear water reserviors 16 successively, and each sedimentation basin has precipitation
Pond divides, sedimentation basin demarcation strip top has water outlet notch, and adjacent water outlet notch is positioned close to before and after's different lateral
Place.
Described fork heat transfer pipe 12 about all has smoke pipe interface, mid portion have two closing hollows disks, two
It is welded with many metal tubes, metal tube connects the disk of two hollows between individual disk.
The principle of the present invention and implementation process are as follows：In boiler 1 combustion process, boiler exhaust gas pass through each connection smoke pipe 4 according to
Secondary flow through fork heat transfer pipe 12, gas wash tower 6, air-introduced machine 10 and chimney 11, finally discharge；High-temperature tail gas flow into fork heat-transfer pipe
Behind road 12, the water that tail gas heat quantity is preheated water tank 5 absorbs, and high-temperature tail gas temperature reduces, and the coolant-temperature gage of preheating water tank 5 rises a height of temperature
Water, by the warm water suction attemperater 2 of preheating water tank 5, the warm water in attemperater 2 passes through self gravitation effect, to water pump A3 simultaneously
Warm water is injected boiler 1, preheating water tank 5 water inlet continually supplements tail gas cooling water；Tail gas flows into gas wash tower 6 left part tower
After body, the absorption of water in dust removal that the flue dust in tail gas is sprayed by annular water curtain dust removing tube 7 is dropped, and is changed into that flue dust quantity is few, temperature is low
Gas, then removing dust tower 6 right part tower body settles fine soot further, is changed into the acceptable gas that temperature is low, flue dust is fewer,
Finally discharged by air-introduced machine 10 suction chimney 11；The water in dust removal that annular water curtain dust removing tube 7 sprays drop after through dust waste water entrance
Flow into fractional precipitation feed cistern 9, water in dust removal flows through sedimentation basin 1, sedimentation basin 2 14, is changed into clear water after sedimentation basin 3 15 and flows into
Clear water reserviors 16, then 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 mends
Fill the water yield running off in dust removal process.
Claims (3)
1. a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective processing system, including boiler（1）, smoke pipe（4）, water pipe（17）, waste heat
Using device, dust collector of water curtain, air-introduced machine（10）And chimney（11）；Described residual heat using device includes attemperater（2）, water
Pump A（3）, preheating water tank（5）With fork heat transfer pipe（12）；Described dust collector of water curtain includes gas wash tower（6）, annular water curtain removes
Dirt pipe（7）, water pump B（8）With fractional precipitation feed cistern（9）；Boiler（1）Exhaust opening, fork heat transfer pipe（12）, gas wash tower（6）、
Air-introduced machine（10）And chimney（11）By smoke pipe（4）It is sequentially connected；Boiler（1）Water inlet, attemperater（2）, water pump A（3）, pre-
Boiler（5）By water pipe（17）It is sequentially connected；Annular water curtain dust removing tube（7）, water pump B（8）With fractional precipitation feed cistern（9）Logical
Cross water pipe to be sequentially connected；Described preheating water tank（5）Top has water inlet pipe mouth, bottom to have delivery port, and preheating water tank（5）Surround
Fork heat transfer pipe（12）；Described fractional precipitation feed cistern（9）By water pipe and gas wash tower（6）It is connected；Described attemperater（2）
Bottom level is higher than boiler（1）Top；Described gas wash tower（6）Two tower bodies about point, left and right two tower body passes through upper beam and leads to
Pipe connects, and is evenly distributed with aperture in the middle part of left part tower body；Described annular water curtain dust removing tube（7）It is fixed on gas wash tower（6）Left part tower
External body middle part, and annular water curtain dust removing tube（7）Ring interior part is evenly distributed with the water outlet tubule with fog-spray nozzle for the end,
Described water outlet tubule inserts gas wash tower（6）The little in the hole of left part tower body.
2. a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective processing system according to claim 1 it is characterised in that：Described
Fractional precipitation feed cistern（9）Left side wall has dust waste water entrance, and right side wall has clear water supply entrance, and middle part is from left to right
It is sedimentation basin one successively（13）, sedimentation basin two（14）, sedimentation basin three（15）And clear water reserviors（16）, each sedimentation basin has sedimentation basin
Divides, sedimentation basin demarcation strip top has water outlet notch, and adjacent water outlet notch is positioned close at before and after's different lateral.
3. a kind of wood fuel boiler exhaust gas energy-conserving and environment-protective processing system according to claim 1 it is characterised in that：Described
Fork heat transfer pipe（12）All there is smoke pipe interface left and right, and mid portion has the disk of two closing hollows, between two disks
It is welded with many metal tubes, 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456593A CN104456593A (en) | 2015-03-25 |
| CN104456593B true CN104456593B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| CN (1) | CN104456593B (en) |
Families Citing this family (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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1183737B (en) * | 1984-02-15 | 1987-10-22 | Silvano Cappi | FUME BLAST CHILLER FOR BURNER-BOILER UNITS WITH GASEOUS OR LIQUID FUEL |
| 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 |
| CN104165365B (en) * | 2014-02-17 | 2016-04-27 | 歙县绿源环保设备有限公司 | A kind of incinerating and treating device of rubbish |
| CN104165349B (en) * | 2014-07-25 | 2015-12-02 | 奉化市大埠冷冻食品有限公司 | Device for utilizing waste of boiler |
| 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 |
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2014
- 2014-11-27 CN CN201410694989.0A patent/CN104456593B/en not_active Expired - Fee Related
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| CN104456593A (en) | 2015-03-25 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20171127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |