CN102278765A - Boiler dedusting waste heat recycling device - Google Patents
Boiler dedusting waste heat recycling device Download PDFInfo
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- CN102278765A CN102278765A CN2011102174907A CN201110217490A CN102278765A CN 102278765 A CN102278765 A CN 102278765A CN 2011102174907 A CN2011102174907 A CN 2011102174907A CN 201110217490 A CN201110217490 A CN 201110217490A CN 102278765 A CN102278765 A CN 102278765A
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Abstract
The invention discloses a boiler dedusting waste heat recycling device which comprises a box body, a mixed gas access pipe, an exhaust pipe, a mixed gas separation chamber, a dust collecting chamber and a dust storage box. The device is characterized in that a baffle plate is arranged between the inner wall of the box body and the outer wall of the exhaust pipe; the upper part of the baffle plate is provided with a heat collecting chamber; the lower part of the baffle plate is provided with the mixed gas separation chamber; the middle part of a superconductive tube is fixed on the baffle plate; the upper part of the superconductive tube is positioned in the heat collecting chamber; the lower part of the superconductive tube is positioned in the mixed gas separation chamber; and a cavity of the superconductive tube is internally provided with a superconductive liquid. The boiler dedusting waste heat recycling device has a simple structure, is convenient to use, integrates dedusting and waste heat recycling into a whole, and operates safely and reliably, and the dedusting effect and waste heat recycling effect are improved.
Description
Technical field
The present invention relates to a kind of energy-saving device of boiler, specifically a kind of boiler dusting heat recovery device.
Background technology
Present boiler, rely on the coal-fired heat generation steam that produces to utilize mostly, in coal-fired process, can produce a large amount of flue gases, in flue gas, contain dust and waste heat, if directly be discharged in the atmosphere, dust meeting contaminated air, waste heat can cause waste, so present boiler generally all can add dust arrester on flue, what also have adds water jacket on the outer wall of flue, with recovery waste heat, its weak point is: dust arrester is two different devices with waste heat recovery, need independent the setting, work simultaneously, cause boiler air inducing resistance big, the operating cost height, waste is big; Simultaneously waste-heat recovery device can not dedusting, most ofly adopts the flue gas direct injection, because the endothermic tube lee face forms vortex street, endotherm area can not be maximized, and the thermal efficiency is low, has caused a large amount of wastes.
Summary of the invention
The object of the present invention is to provide a kind of simple in structurely, easy to use, integrate dedusting and waste heat recovery, safe and reliable to operation, can improve the boiler dusting heat recovery device of dust removing effects and waste heat recovery efficient.
In order to reach above purpose, the technical solution adopted in the present invention is: boiler dusting heat recovery device, comprise casing, the mist access tube, blast pipe, the mist separation chamber, dust collection chamber and dust storage bin, be provided with blast pipe in the casing, blast pipe is connected with flue, the mist separation chamber of casing is connected with boiler by the mist access tube, the bottom of mist separation chamber is provided with dust collection chamber, the bottom of dust collection chamber is provided with the dust storage bin, it is characterized in that: be provided with dividing plate between the outer wall of cabinet wall and blast pipe, the top of dividing plate is heat collecting chamber, the bottom of dividing plate is the mist separation chamber, and the middle part of superconducting pipe is fixed on the dividing plate, and the top of superconducting pipe is positioned at heat collecting chamber, the bottom is positioned at the mist separation chamber, is provided with superconducting fluid in the chamber of superconducting pipe.
The present invention also implements by following measure: the outer wall of described superconducting pipe is provided with the spiral plate under the screw, forms the downward helical flow path of rotation between the adjacent spiral plate, and described superconducting pipe is covered with whole mist separation chamber and heat collecting chamber.
The section of described casing is cylindric, the central axis of blast pipe and the central axes of casing.
Described mist separation chamber is an annulus tubular cavity, and its underpart is provided with opening.
Described heat collecting chamber is the annulus tubular cavity of sealing, and its outer wall is provided with safety relief valve, water inlet pipe, blow-off pipe and hot-water line, and hot-water line is provided with circulating pump.
The interface of described mist access tube and mist separation chamber is positioned on the tangential direction of mist separation chamber.
Spiral plate outer side edges on described adjacent two superconducting pipe outer walls is along contacting.
The outlet of described blast pipe is provided with air-introduced machine.
The bottom of described dust storage bin is provided with the dedusting mouth, is provided with valve on the dedusting mouth.
Beneficial effect of the present invention is: simple in structure, easy to use, integrate dedusting and waste heat recovery, and safe and reliable to operation, improved dust removing effects and waste heat recovery efficient.
Description of drawings
Fig. 1 is a structure of the present invention office cross-sectional schematic.
Among the figure: 1, casing; 2, mist access tube; 3, water inlet pipe; 4, hot-water line; 5, blow-off pipe; 6, blast pipe; 7, dividing plate; 8, heat collecting chamber; 9, mist separation chamber; 10, dust collection chamber; 11, dust storage bin; 12, dust-exhausting port; 13, superconducting pipe; 14, spiral plate; 15, safety relief valve.
The specific embodiment
Make the present invention with reference to accompanying drawing 1.This boiler dusting heat recovery device, comprise casing 1, mist access tube 2, blast pipe 6, mist separation chamber 9, dust collection chamber 10 and dust storage bin 11, be provided with blast pipe 6 in the casing 1, blast pipe 6 is connected with flue, the mist separation chamber 9 of casing 1 is connected with boiler by mist access tube 2, so that entering, the flue gas that boiler produces carries out the mist separation in the casing 1, the bottom of mist separation chamber 9 is provided with dust collection chamber 10, the bottom of dust collection chamber 10 is provided with dust storage bin 11, in mist separation chamber 9, dust in flue gas is separated, dust enters in the dust storage bin 11 by dust collection chamber 10 and stores, prevent that dust from entering blast pipe 6, it is characterized in that: be provided with dividing plate 7 between the outer wall of casing 1 inwall and blast pipe 6, the top of dividing plate 7 is heat collecting chamber 8, the bottom of dividing plate 7 is mist separation chamber 9, the middle part of superconducting pipe 13 is fixed on the dividing plate 7, the top of superconducting pipe 13 is positioned at heat collecting chamber 8, the bottom is positioned at mist separation chamber 9, be provided with superconducting fluid in the chamber of superconducting pipe 13, enter the mist separation chamber 9 of casing 1 when the flue gas of boiler generation, superconducting pipe 13 bottoms are heated, superconducting fluid is taken heat on the top of superconducting pipe 13, owing in the heat collecting chamber 8 recirculated water is arranged, thereby the heat absorption on superconducting pipe 13 tops is taken away, finished heat exchange.
The outer wall of described superconducting pipe 13 is provided with the spiral plate 14 under the screw, form the downward helical flow path of rotation between the adjacent spiral plate 14, described superconducting pipe 13 is covered with whole mist separation chamber 9 and heat collecting chamber 8, like this when the flue gas that enters mist separation chamber 9 is in contact with it, can increase the heating surface area of superconducting pipe 13 bottoms, also increase simultaneously the area of dissipation on superconducting pipe 13 tops, improved the efficient of heat exchange, simultaneously, flue gas can slowly rotation be downward along spiral plate 14, make that dust is easier to be separated, improved efficiency of dust collection.
The section of described casing 1 is cylindric, the central axes of the central axis of blast pipe 6 and casing 1.
Described mist separation chamber 9 is an annulus tubular cavity, and its underpart is provided with opening.
Described heat collecting chamber 8 is the annulus tubular cavity of sealing, and its outer wall is provided with safety relief valve 15, water inlet pipe 3, blow-off pipe 5 and hot-water line 4, and hot-water line 4 is provided with circulating pump, to form the water circulation, heat is absorbed.
Described mist access tube 2 is positioned on the tangential direction of mist separation chamber 9 with the interface of mist separation chamber 9, is beneficial to flue gas and can produces centrifugal force along its annular space rotation after in entering 9 chambeies, mist separation chamber.
The outlet of described blast pipe 6 is provided with air-introduced machine, so that in when work, makes formation negative pressure in the chamber of casing 1.
The bottom of described dust storage bin 11 is provided with dedusting mouth 12, is provided with valve on dedusting mouth 12.
The present invention integrates waste heat recovery, dedusting after use, reduced the air inducing resistance, reduces the boiler operatiopn cost; Superconducting pipe is adopted in waste heat recovery, and has increased spiral plate on its outer wall, and high-temperature flue gas is fully contacted with superconducting pipe, has increased endotherm area and heat exchange area;
Flue gas adopts incision multichannel shunting dedusting, ash-laden gas segmentation as much as possible, is divided into many helical flow paths that rotation is downward by spiral plate, has improved dust removing effects; Adopt dust collection chamber and dust storage bin, avoid the band dirt phenomenon of boiler exhaust gas gas, make the gas of discharge more clean.The present invention makes simply, and security of operation designs voluntarily, makes, installs according to the big I of boiler, and cost of manufacture is low, need not safeguard long service life substantially.
Claims (9)
1. boiler dusting heat recovery device, comprise casing (1), mist access tube (2), blast pipe (6), mist separation chamber (9), dust collection chamber (10) and dust storage bin (11), be provided with blast pipe (6) in the casing (1), blast pipe (6) is connected with flue, the mist separation chamber (9) of casing (1) is connected with boiler by mist access tube (2), the bottom of mist separation chamber (9) is provided with dust collection chamber (10), the bottom of dust collection chamber (10) is provided with dust storage bin (11), it is characterized in that: be provided with dividing plate (7) between the outer wall of casing (1) inwall and blast pipe (6), the top of dividing plate (7) is heat collecting chamber (8), the bottom of dividing plate (7) is mist separation chamber (9), the middle part of superconducting pipe (13) is fixed on the dividing plate (7), the top of superconducting pipe (13) is positioned at heat collecting chamber (8), the bottom is positioned at mist separation chamber (9), is provided with superconducting fluid in the chamber of superconducting pipe (13).
2. boiler dusting heat recovery device according to claim 1, it is characterized in that: the outer wall of described superconducting pipe (13) is provided with the spiral plate (14) under the screw, form the downward helical flow path of rotation between the adjacent spiral plate (14), described superconducting pipe (13) is covered with whole mist separation chamber (9) and heat collecting chamber (8).
3. boiler dusting heat recovery device according to claim 1 is characterized in that: the section of described casing (1) is cylindric, the central axes of the central axis of blast pipe (6) and casing (1).
4. boiler dusting heat recovery device according to claim 1 and 2 is characterized in that: described mist separation chamber (9) is an annulus tubular cavity, and its underpart is provided with opening.
5. boiler dusting heat recovery device according to claim 1, it is characterized in that: described heat collecting chamber (8) is the annulus tubular cavity of sealing, its outer wall is provided with safety relief valve (15), water inlet pipe (3), blow-off pipe (5) and hot-water line (4), and hot-water line (4) is provided with circulating pump.
6. boiler dusting heat recovery device according to claim 1 is characterized in that: described mist access tube (2) is positioned on the tangential direction of mist separation chamber (9) with the interface of mist separation chamber (9).
7. boiler dusting heat recovery device according to claim 1 and 2 is characterized in that: spiral plate (14) outer side edges on described adjacent two superconducting pipes (13) outer wall is along contacting.
8. boiler dusting heat recovery device according to claim 1 is characterized in that: the outlet of described blast pipe (6) is provided with air-introduced machine.
9. boiler dusting heat recovery device according to claim 1 is characterized in that: the bottom of described dust storage bin (11) is provided with dedusting mouth (12), is provided with valve on dedusting mouth (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102174907A CN102278765A (en) | 2011-08-01 | 2011-08-01 | Boiler dedusting waste heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102174907A CN102278765A (en) | 2011-08-01 | 2011-08-01 | Boiler dedusting waste heat recycling device |
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| CN102278765A true CN102278765A (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102174907A Pending CN102278765A (en) | 2011-08-01 | 2011-08-01 | Boiler dedusting waste heat recycling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781237A (en) * | 2020-12-30 | 2021-05-11 | 华能江阴燃机热电有限责任公司 | Waste heat recycling device of power plant boiler |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677318A1 (en) * | 1994-04-11 | 1995-10-18 | Marc Keersmaekers | Device for the cleansing of flue gases from waste incineration installations |
| CN2310246Y (en) * | 1997-07-14 | 1999-03-10 | 刘宗洲 | Heat-exchange dust remover |
| CN2667334Y (en) * | 2003-12-16 | 2004-12-29 | 薛家华 | Refuse incinarator dust remover set |
| CN201155777Y (en) * | 2007-11-07 | 2008-11-26 | 张兆军 | Air flue superconductor residual heat utilization dust-cleaning equipment |
| KR100946362B1 (en) * | 2009-10-29 | 2010-03-09 | 정영철 | Heat exchanger of automatic wash type enabling elimination of dust |
| CN101280925B (en) * | 2007-04-03 | 2010-04-14 | 北京布鲁斯盖环保科技发展有限公司 | Boiler flue heat-exchange dust remover |
| CN202195492U (en) * | 2011-08-01 | 2012-04-18 | 亓振迎 | Device for removing dust and recycling afterheat of boiler |
-
2011
- 2011-08-01 CN CN2011102174907A patent/CN102278765A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677318A1 (en) * | 1994-04-11 | 1995-10-18 | Marc Keersmaekers | Device for the cleansing of flue gases from waste incineration installations |
| CN2310246Y (en) * | 1997-07-14 | 1999-03-10 | 刘宗洲 | Heat-exchange dust remover |
| CN2667334Y (en) * | 2003-12-16 | 2004-12-29 | 薛家华 | Refuse incinarator dust remover set |
| CN101280925B (en) * | 2007-04-03 | 2010-04-14 | 北京布鲁斯盖环保科技发展有限公司 | Boiler flue heat-exchange dust remover |
| CN201155777Y (en) * | 2007-11-07 | 2008-11-26 | 张兆军 | Air flue superconductor residual heat utilization dust-cleaning equipment |
| KR100946362B1 (en) * | 2009-10-29 | 2010-03-09 | 정영철 | Heat exchanger of automatic wash type enabling elimination of dust |
| CN202195492U (en) * | 2011-08-01 | 2012-04-18 | 亓振迎 | Device for removing dust and recycling afterheat of boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781237A (en) * | 2020-12-30 | 2021-05-11 | 华能江阴燃机热电有限责任公司 | Waste heat recycling device of power plant boiler |
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Application publication date: 20111214 |