CN203615581U - Forced-water-circulation high-capacity circulation fluidized bed hot-water boiler - Google Patents
Forced-water-circulation high-capacity circulation fluidized bed hot-water boiler Download PDFInfo
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- CN203615581U CN203615581U CN201320875165.4U CN201320875165U CN203615581U CN 203615581 U CN203615581 U CN 203615581U CN 201320875165 U CN201320875165 U CN 201320875165U CN 203615581 U CN203615581 U CN 203615581U
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Abstract
The utility model relates to a forced-water-circulation high-capacity circulation fluidized bed hot-water boiler, and relates to a fluidized bed hot-water boiler, which solves the problems of the water circulation safety and power failure protection of the high-capacity circulation fluidized bed hot-water boiler. A water supply distribution collection box is connected with a lower coal economizer, the lower coal economizer, a middle coal economizer and an upper coal economizer are sequentially connected with one another, the upper coal economizer is connected with a coal economizer upper collection box, the coal economizer upper collection box is connected with a converging water drum through a coal economizer wrapping pipe, the converging water drum is connected with a water-cooling wall lower collection box through a descending pipe, the water-cooling wall lower collection box is connected with a hearth water-cooling wall, the hearth water-cooling wall is connected with a water-cooling wall upper collection box, the water-cooling wall upper collection box is connected with a tube through a leading-out pipe, the water supply distribution collection box is connected with a separator water-cooling sleeve through a water-cooling sleeve water inlet pipe, the separator water-cooling sleeve is connected with the tube through a water-cooling sleeve water outlet pipe, the tube is connected with the water-cooling wall lower collection box through a communication pipe, and the tube is connected with the water supply distribution collection box through a power failure water supply pipe. The forced-water-circulation high-capacity circulation fluidized bed hot-water boiler is used for the large-sized centralized heat supply.
Description
Technical field
The utility model relates to a kind of Circulating Fluidized Bed Hot Water Boiler, is specifically related to a kind of large capacity circulating fluid bed heat homogeneous solution-type reactor of forced water circulation.
Background technology
The development of central heating is used widely large capacity circulating fluid bed heat homogeneous solution-type reactor.Existing large capacity circulating fluid bed heat homogeneous solution-type reactor water circulation system complexity, water resistance are large, have the unsafe problem of water circulation system, and the excessive power consumption that also can cause of water system resistance increases.Can improve large capacity circulating fluid bed heat homogeneous solution-type reactor water-flow circulation safety by this patent, avoid the boiler pipe explosion accident that boiler causes because water circulation is unreliable to occur, reduce boiler water cycle system power consumption simultaneously, realize power failure automatic protection functions.
Utility model content
The purpose of this utility model is security and the power-failure protecting problem in order to solve large capacity circulating fluid bed Water Circulation for Hot Water Boiler, and a kind of large capacity circulating fluid bed heat homogeneous solution-type reactor of forced water circulation is provided.
A kind of large capacity circulating fluid bed heat homogeneous solution-type reactor of forced water circulation comprises that feedwater distributes header, bottom economizer, middle part economizer, top economizer, economizer upper collecting chamber, economizer cage walls, collect water bag, down-comer, water-cooling wall lower header, furnace wall cooling, water-cooling wall upper collecting chamber, fairlead, drum, communicating pipe, water collar water inlet pipe, separator water collar, water collar outlet pipe, power failure feed pipe, feedwater distributes a water side of header to be connected with bottom economizer, bottom economizer is connected with middle part economizer, middle part economizer is connected with top economizer, the water side of top economizer is connected with economizer upper collecting chamber, economizer upper collecting chamber is connected with the water inlet that collects water bag by economizer cage walls, the delivery port that collects water bag is connected with water-cooling wall lower header water inlet by down-comer, the delivery port of water-cooling wall lower header is connected with the water inlet of furnace wall cooling, furnace wall cooling delivery port is connected with water-cooling wall upper collecting chamber water inlet, water-cooling wall upper collecting chamber is connected with drum by fairlead, feedwater distributes another water side of header to be connected with separator water collar by water collar water inlet pipe, separator water collar water side is connected with drum by water collar outlet pipe, drum was connected with water-cooling wall lower header by communicating pipe, drum distributes header to be connected by power failure feed pipe and feedwater.
The utlity model has following beneficial effect:
One, the utility model, by forced water circulation flow process and the enabling of recirculation pipe afterwards that have a power failure, has guaranteed the safe water speed of each section of Water flow-path, has realized the security requirement of water circulation; While generation when having a power failure, boiler water cycle becomes Natural Circulation from forced circulation, avoids vaporization, water hammer that the damage to boiler and auxiliary equipment occurs, and has realized power-failure protecting function.
Two, the utility model horizontally disposed from bottom to top bottom economizer, middle part economizer and top economizer in flue, the economizer of coiled pipe structure has guaranteed that pipe is heated evenly on the same group, and economizer becomes reverse flow with flue gas from bottom to top, water flow velocity >=1.4m/s in economizer tube, issuable gas in pipe can be taken out of in time, avoid causing because water circulation is dangerous the generation of pipe explosion accident, make boiler safety stable operation.
Three, bottom economizer, middle part economizer and top economizer be variable cross-section, etc. cigarette speed, exempt from dust stratification structure, the problem of having avoided economizer dust stratification to cause resistance increment, exhaust gas temperature to raise, thoroughly solve the problem of economizer tube dust stratification, wearing and tearing, corrosion, guaranteed that high efficiency boiler moves continuously.
Four, adopt separator water collar structure, reduced material air-teturning temperature, increased boiler heating surface, prevented that separator water collar internal return from firing rear returning charge again and stopping up the generation such as the problem that causes blowing out, reduce boiler returning charge fault rate, make the operation of boiler long time stability.
Five, the utility model can make large capacity circulating fluid bed heat homogeneous solution-type reactor boiler safety, efficient, stable long-term operation, has the good result of energy-saving and environmental protection, low consumption.Realized saving power consumption 10%, the effect of fuel saving 5%, avoids the damage of power failure to boiler and auxiliary equipment, reduces pollutant emission simultaneously, has realized energy-saving and emission-reduction, low-carbon environment-friendly, economic security operation, has good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is overall structure front view of the present utility model, and Fig. 2 is the A-A cutaway view of Fig. 1, and Fig. 3 is the structural front view of separator water collar 16, and Fig. 4 is the top view of Fig. 3, and Fig. 5 is the B-B cutaway view of Fig. 3.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 5, present embodiment is described, present embodiment comprises that feedwater distributes header 1, bottom economizer 2, middle part economizer 3, top economizer 4, economizer upper collecting chamber 5, economizer cage walls 6, collect water bag 7, down-comer 8, water-cooling wall lower header 9, furnace wall cooling 10, water-cooling wall upper collecting chamber 11, fairlead 12, drum 13, communicating pipe 14, water collar water inlet pipe 15, separator water collar 16, water collar outlet pipe 17, power failure feed pipe 18, feedwater distributes a water side of header 1 to be connected with bottom economizer 2, bottom economizer 2 is connected with middle part economizer 3, middle part economizer 3 is connected with top economizer 4, the water side of top economizer 4 is connected with economizer upper collecting chamber 5, economizer upper collecting chamber 5 is connected with the water inlet that collects water bag 7 by economizer cage walls 6, the delivery port that collects water bag 7 is connected with water-cooling wall lower header 9 water inlets by down-comer 8, the delivery port of water-cooling wall lower header 9 is connected with the water inlet of furnace wall cooling 10, furnace wall cooling 10 delivery ports are connected with water-cooling wall upper collecting chamber 11 water inlets, water-cooling wall upper collecting chamber 11 is connected with drum 13 by fairlead 12, feedwater distributes another water side of header 1 to be connected with separator water collar 16 by water collar water inlet pipe 15, separator water collar 16 water sides are connected with drum 13 by water collar outlet pipe 17, drum 13 is connected with heating network, drum 13 was connected with water-cooling wall lower header 9 by communicating pipe 14, drum 13 distributes header 1 to be connected by power failure feed pipe 18 and feedwater.Separator water collar 16, realizes separator water-cooling structure and reduces recycle stock temperature, avoids returning charge to fire again revert system is stopped up.
Operation principle:
Boiler feed water distributes header 1 rear portion water outlet to enter successively bottom economizer 2, middle part economizer 3 and top economizer 4 by feedwater, economizer 4 water outlets in top enter after having antiwear economizer cage walls 6 and enter and collect water bag 7 through economizer upper collecting chamber 5, collect 7 water outlets of water bag and enter water-cooling wall lower header 9 through down-comer 8,9 water outlets of water-cooling wall lower header enter water-cooling wall upper collecting chamber 11 through furnace wall cooling 10, and water-cooling wall upper collecting chamber 11 enters heating network after entering drum 13 by fairlead 12.
Another part water outlet that feedwater distributes header 1 enters to have through water collar water inlet pipe 15 and prevents the burn separator water collar 16 of the obstruction returning charge causing of returning charge high temperature secondary, and 16 water outlets of separator water collar enter heating network after entering drum 13 by water collar outlet pipe 17.
After boiler room has a power failure suddenly, the interior water part of drum 13 enters water-cooling wall lower header 9 by Natural Circulation through communicating pipe 14,9 water outlets of water-cooling wall lower header enter water-cooling wall upper collecting chamber 11 after high-temperature surface furnace wall cooling 10, and 11 water outlets of water-cooling wall upper collecting chamber enter drum 13 through fairlead 12.Another part of drum 13 interior water passes through power failure feed pipe 18 by Natural Circulation and enters feedwater distribution header 1, feedwater distributes header 1 a part of water outlet to enter successively cigarette speed such as adopting variable cross-section to avoid the energy-saving bottom economizer 2 of dust stratification, middle part economizer 3 and top economizer 4, economizer 4 water outlets in top enter and collect water bag 7 after economizer upper collecting chamber 5 enters antiwear economizer cage walls 6, collect 7 water outlets of water bag and enter water-cooling wall lower header 9 through down-comer 8, 9 water outlets of water-cooling wall lower header enter water-cooling wall upper collecting chamber 11 through furnace wall cooling 10, water-cooling wall upper collecting chamber 11 enters drum 13 by fairlead 12, feedwater distributes header 1 another part water to enter separator water collar 16 through water collar water inlet pipe 15, and 16 water outlets of separator water collar enter drum 13 by water collar outlet pipe 16.
After power failure, boiler is realized Natural Circulation by forced circulation, has the function of power-failure protecting boiler, has avoided the interior water hammer of the rear pipe of high-temperature water vaporization to cause the damage of boiler, heating surface, pipeline.
The specific embodiment two: in conjunction with Fig. 1, present embodiment is described, on down-comer 8, water collar water inlet pipe 15, water collar outlet pipe 17 and the power failure feed pipe 18 of present embodiment, valve is all installed.Realize power-failure protecting function by valve start or stop.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1, present embodiment is described, bottom economizer 2, middle part economizer 3 and the top economizer 4 of present embodiment are variable section structure.After variable cross-section, realized and waited cigarette speed, exempted from the function of dust stratification, the problem of having avoided economizer dust stratification to cause resistance increment, exhaust gas temperature to raise, has thoroughly solved the problem of economizer tube dust stratification, wearing and tearing, corrosion.Other composition and annexation are identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 1, present embodiment is described, the drum 13 of present embodiment, power failure feed pipe 18, feedwater distribute header 1, water collar water inlet pipe 15, separator water collar 16 and water collar outlet pipe 17 to form independent water-flow circuit.Guarantee separator water collar safe water circulation.Other composition and annexation are identical with the specific embodiment three.
Claims (4)
1. the large capacity circulating fluid bed heat homogeneous solution-type reactor of a forced water circulation, it is characterized in that: described hot-water boiler comprises that feedwater distributes header (1), bottom economizer (2), middle part economizer (3), top economizer (4), economizer upper collecting chamber (5), economizer cage walls (6), collect water bag (7), down-comer (8), water-cooling wall lower header (9), furnace wall cooling (10), water-cooling wall upper collecting chamber (11), fairlead (12), drum (13), communicating pipe (14), water collar water inlet pipe (15), separator water collar (16), water collar outlet pipe (17), power failure feed pipe (18), feedwater distributes a water side of header (1) to be connected with bottom economizer (2), bottom economizer (2) is connected with middle part economizer (3), middle part economizer (3) is connected with top economizer (4), the water side of top economizer (4) is connected with economizer upper collecting chamber (5), economizer upper collecting chamber (5) is connected with the water inlet that collects water bag (7) by economizer cage walls (6), the delivery port that collects water bag (7) is connected with water-cooling wall lower header (9) water inlet by down-comer (8), the delivery port of water-cooling wall lower header (9) is connected with the water inlet of furnace wall cooling (10), furnace wall cooling (10) delivery port is connected with water-cooling wall upper collecting chamber (11) water inlet, water-cooling wall upper collecting chamber (11) is connected with drum (13) by fairlead (12), feedwater distributes another water side of header (1) to be connected with separator water collar (16) by water collar water inlet pipe (15), separator water collar (16) water side is connected with drum (13) by water collar outlet pipe (17), drum (13) is by being connected with water-cooling wall lower header (9) communicating pipe (14), drum (13) distributes header (1) to be connected by power failure feed pipe (18) and feedwater.
2. a kind of large capacity circulating fluid bed heat homogeneous solution-type reactor of forced water circulation according to claim 1, is characterized in that: on described down-comer (8), water collar water inlet pipe (15), water collar outlet pipe (17) and power failure feed pipe (18), valve is all installed.
3. according to the large capacity circulating fluid bed heat homogeneous solution-type reactor of a kind of forced water circulation described in claim 1 or 2, it is characterized in that: described bottom economizer (2), middle part economizer (3) and top economizer (4) are variable section structure.
4. a kind of large capacity circulating fluid bed heat homogeneous solution-type reactor of forced water circulation according to claim 3, is characterized in that: described drum (13), power failure feed pipe (18), feedwater distribute header (1), water collar water inlet pipe (15), separator water collar (16) and water collar outlet pipe (17) to form independent water-flow circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875165.4U CN203615581U (en) | 2013-12-29 | 2013-12-29 | Forced-water-circulation high-capacity circulation fluidized bed hot-water boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875165.4U CN203615581U (en) | 2013-12-29 | 2013-12-29 | Forced-water-circulation high-capacity circulation fluidized bed hot-water boiler |
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| CN203615581U true CN203615581U (en) | 2014-05-28 |
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| CN201320875165.4U Withdrawn - After Issue CN203615581U (en) | 2013-12-29 | 2013-12-29 | Forced-water-circulation high-capacity circulation fluidized bed hot-water boiler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644648A (en) * | 2013-12-29 | 2014-03-19 | 哈尔滨红光锅炉总厂有限责任公司 | Forced water circulation high-capacity hot water boiler of circulating fluidized bed |
| CN106247324A (en) * | 2016-08-31 | 2016-12-21 | 江苏汇能锅炉有限公司 | Efficient circulation vulcanization bed coal-burning boiler coal economizer |
| CN106439798A (en) * | 2016-08-31 | 2017-02-22 | 江苏汇能锅炉有限公司 | Coal economizer for circulating fluid bed coal-fired boiler |
| CN107477571A (en) * | 2017-09-26 | 2017-12-15 | 清华大学 | A kind of power failure protection system of CFBB |
| CN108410514A (en) * | 2018-04-03 | 2018-08-17 | 山西阳煤化工机械（集团）有限公司 | The double headers of gasification furnace fin panel casing |
-
2013
- 2013-12-29 CN CN201320875165.4U patent/CN203615581U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644648A (en) * | 2013-12-29 | 2014-03-19 | 哈尔滨红光锅炉总厂有限责任公司 | Forced water circulation high-capacity hot water boiler of circulating fluidized bed |
| CN103644648B (en) * | 2013-12-29 | 2016-02-03 | 哈尔滨红光锅炉总厂有限责任公司 | A kind of Large Copacity Circulating Fluidized Bed Hot Water Boiler of forced water circulation |
| CN106247324A (en) * | 2016-08-31 | 2016-12-21 | 江苏汇能锅炉有限公司 | Efficient circulation vulcanization bed coal-burning boiler coal economizer |
| CN106439798A (en) * | 2016-08-31 | 2017-02-22 | 江苏汇能锅炉有限公司 | Coal economizer for circulating fluid bed coal-fired boiler |
| CN106439798B (en) * | 2016-08-31 | 2018-12-18 | 江苏汇能锅炉有限公司 | Circulating fluid-bed coal-burning boiler economizer |
| CN107477571A (en) * | 2017-09-26 | 2017-12-15 | 清华大学 | A kind of power failure protection system of CFBB |
| CN108410514A (en) * | 2018-04-03 | 2018-08-17 | 山西阳煤化工机械（集团）有限公司 | The double headers of gasification furnace fin panel casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |