CN204214285U - The residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver - Google Patents
The residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver Download PDFInfo
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- CN204214285U CN204214285U CN201420642168.8U CN201420642168U CN204214285U CN 204214285 U CN204214285 U CN 204214285U CN 201420642168 U CN201420642168 U CN 201420642168U CN 204214285 U CN204214285 U CN 204214285U
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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
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Abstract
The utility model discloses a kind of residual heat from boiler fume having boiler smoke dustproof function concurrently and reclaim energy saver, comprise high-temperature bearing heat pipe economizer, high temperature hot water pump, heat storage water tank, Cryo Heat Tube economizer, high-temperature bearing heat pipe economizer is connected with flue air inlet, at high-temperature bearing heat pipe economizer, the inner chamber of Cryo Heat Tube economizer is provided with some super heat-conductive pipes, at high-temperature bearing heat pipe economizer, the outer wall of Cryo Heat Tube economizer is provided with heat storage water tank, one end of super heat-conductive pipe extend in heat storage water tank, exhaust outlet is provided with in Cryo Heat Tube economizer lower end, high temperature hot water pump is placed in high-temperature bearing heat pipe economizer, the top at Cryo Heat Tube economizer top, be connected with heat storage water tank by hot water inlet pipe, high temperature hot water pump is connected with hot water outlet pipe.The utility model has dustproof function concurrently, overcomes existing economizer flue gas exit temperature and can not drop to below acid dew point and the halfway difficult problem of dedusting.
Description
Technical field
The utility model relates to boiler, specifically refers to that a kind of residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver.
Background technology
The evenly heat efficiency of industry coal-boiler only has 67%, and the heat energy of nearly 25% is by the middle of fume emission to air, and exhaust gas temperature, up to more than 200 DEG C, both polluted environment, wastes again valuable fume afterheat resource.Therefore many large-sized boilers all have the shell-tube type economizer installing cast iron or stainless steel, are used for Mist heat recovering, preheat boiler-feed-water.But because the sulfur content of coal is higher, usually can produce oxysulfide during burning, after being combined with steam, namely form sulfuric acid vapor.When the metal pipe-wall temperature of economizer is lower than the set point (being called acid dew point) of sulfuric acid vapor, liquid sulfuric acid (being called condensation) will be formed on its surface.For a long time, the corrosion that tradition economizer causes due to condensation, even perforated phenomenon occurs often, has a strong impact on the security of operation of boiler, so current boiler is all the generation alleviating condensation and corrosion phenomenon by improving exhaust gas temperature, flue-gas temperature remains high.In addition this kind of economizer bulky, flue gas resistance is large, easy dust stratification, stifled ash, heat exchange efficiency reduces year by year, service life is short, often wants deashing, and therefore medium small boiler seldom uses, after large-sized boiler uses a period of time, because of fouling seriously and substantially need not, high-temperature flue gas of leaving takes away heat, wastes energy.Boiler smoke temperature often declines 15 ~ 18 DEG C can improve boiler efficiency 1%, therefore reduces the important channel that boiler smoke temperature has become boiler energy-saving, must solve again a difficult problem for heat exchanger tube cold end corrosion simultaneously.
Utility model content
The purpose of this utility model is to provide the energy-saving appliance that the waste heat recovery of a kind of boiler smoke step has dustproof function concurrently, to overcome the difficult problem that existing economizer flue gas exit temperature can not drop to below acid dew point, and the halfway difficult problem of dedusting, thoroughly solving boiler smoke energy-saving appliance outlet temperature can not lower than the industry law of acid dew point.
The utility model can be achieved through the following technical solutions:
A kind of residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver, comprise high-temperature bearing heat pipe economizer, high temperature hot water pump, heat storage water tank, Cryo Heat Tube economizer, high-temperature bearing heat pipe economizer is connected with flue air inlet, at high-temperature bearing heat pipe economizer, the inner chamber of Cryo Heat Tube economizer is provided with some super heat-conductive pipes, at high-temperature bearing heat pipe economizer, the outer wall of Cryo Heat Tube economizer is provided with heat storage water tank, one end of super heat-conductive pipe extend in heat storage water tank, high-temperature bearing heat pipe economizer and Cryo Heat Tube economizer lead directly to, at high-temperature bearing heat pipe economizer, the bottom of Cryo Heat Tube economizer is provided with ash hole, exhaust outlet is provided with in Cryo Heat Tube economizer lower end, high temperature hot water pump is placed in high-temperature bearing heat pipe economizer, the top at Cryo Heat Tube economizer top, be connected with heat storage water tank by hot water inlet pipe, high temperature hot water pump is connected with hot water outlet pipe.
Described super heat-conductive pipe is that angle of inclination is arranged in the inner chamber of high-temperature bearing heat pipe economizer, Cryo Heat Tube economizer.
Described ash hole is connected with cement output tank.
The residual heat from boiler fume recovery energy saver that this practicality has boiler smoke dustproof function concurrently has following beneficial effect: adopt super heat-conductive pipe heat exchange, heat exchange efficiency is high.High temperature side adopts pressure-bearing design, decreases the difficult problems such as high-temperature resistant water pump cavitation.Low temperature side adopts without pressure-bearing design, reduces equipment investment, adopts acid resisting material as heat exchanger, solve the problem of flue gas lower than acid dew piont corrosion, flue gas exhaust gas temperature lower than acid dew point, can substantially increase the recovery utilization rate of flue gas, and energy-saving effect is the several times of conventional boiler economizer.
Accompanying drawing explanation
Accompanying drawing 1 has the structural representation of the residual heat from boiler fume recovery energy saver of boiler smoke dustproof function concurrently for this practicality.
Reference numeral is: 1, high-temperature bearing heat pipe economizer, 2, high temperature hot water pump, 3, heat storage water tank, 4, Cryo Heat Tube economizer, 5, super heat-conductive pipe, 6, hot water inlet pipe, 7, hot water outlet pipe, 8, ash hole, 9, cement output tank, 10, flue air inlet, 11, exhaust outlet.
Detailed description of the invention
In order to make those skilled in the art person understand the technical solution of the utility model better, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
As shown in Figure 1, the residual heat from boiler fume that the utility model has boiler smoke dustproof function concurrently reclaims energy saver, comprise high-temperature bearing heat pipe economizer 1, high temperature hot water pump 2, heat storage water tank 3, Cryo Heat Tube economizer 4, high-temperature bearing heat pipe economizer 1 is connected with flue air inlet 10, at high-temperature bearing heat pipe economizer 1, the inner chamber of Cryo Heat Tube economizer 4 is provided with some super heat-conductive pipes 5, at high-temperature bearing heat pipe economizer 1, the outer wall of Cryo Heat Tube economizer 4 is provided with heat storage water tank 3, one end of super heat-conductive pipe 5 extend in heat storage water tank 3, high-temperature bearing heat pipe economizer 1 leads directly to Cryo Heat Tube economizer 4, at high-temperature bearing heat pipe economizer 1, the bottom of Cryo Heat Tube economizer 4 is provided with ash hole 8, exhaust outlet 11 is provided with in Cryo Heat Tube economizer 4 lower end, high temperature hot water pump 2 is placed in high-temperature bearing heat pipe economizer 1, the top at Cryo Heat Tube economizer 4 top, be connected with heat storage water tank 3 by hot water inlet pipe 6, high temperature hot water pump 2 is connected with hot water outlet pipe 7.Described super heat-conductive pipe 5 is arranged in the inner chamber of high-temperature bearing heat pipe economizer 1, Cryo Heat Tube economizer 4 in angle of inclination.Described ash hole 8 is connected with cement output tank 9.
The residual heat from boiler fume that the utility model has boiler smoke dustproof function concurrently reclaims the high-temperature bearing heat pipe economizer of energy saver, Cryo Heat Tube economizer water (flow) direction and flue gas direction adverse current, abundant Mist heat recovering.
The residual heat from boiler fume that the utility model has boiler smoke dustproof function concurrently reclaims energy saver operation principle: boiler smoke tangentially enters high pressure heat pipe economizer, flue gas whirlwind is downward, flue dust falls under gravity into ash storage box, the water inlet of heat storage water tank is entered from low-level (stack-gas) economizer exhanst gas outlet side by water circulating pump, heat exchange is carried out with heat pipe, water after heat exchange flows into and injects heat storage water tank from low-level (stack-gas) economizer smoke inlet side, goes round and begins again, the water in circulating-heating heat storage water tank.
Boiler needs moisturizing because of steam consumption water level decreasing, start moisturizing heat-exchanger pump, heat-exchanger pump extracts the hot water (temperature is lower than 80 DEG C) through low-level (stack-gas) economizer heating from heat storage water tank, hot water heats through the high-temperature flue gas of high-temperature economizer, enter boiler time be steam water interface, can reach (120 DEG C), substantially increase flue gas heat recovery rate, save fuel very considerable.
The utility model energy-saving appliance adopts cyclone dust removal, tangentially enter flue gas in energy-saving appliance smoke pipe and heat pipe collides, improve heat pipe heat exchanging efficiency on the one hand, make scorching hot flue dust collision heat exchanger surface on the other hand, improve the heat exchange efficiency of heat exchanger, near exchanger tube wall, velocity of flue gas is minimum simultaneously, and flue dust falls under gravity into ash bin, reaches the effect of smoke abatement and dust control.
The above, be only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present utility model; Meanwhile, all according to substantial technological of the present utility model to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection domain all still belonging to the technical solution of the utility model.
Claims (3)
1. the residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver, it is characterized in that: comprise high-temperature bearing heat pipe economizer (1), high temperature hot water pump (2), heat storage water tank (3), Cryo Heat Tube economizer (4), high-temperature bearing heat pipe economizer (1) is connected with flue air inlet (10), in high-temperature bearing heat pipe economizer (1), the inner chamber of Cryo Heat Tube economizer (4) is provided with some super heat-conductive pipes (5), in high-temperature bearing heat pipe economizer (1), the outer wall of Cryo Heat Tube economizer (4) is provided with heat storage water tank (3), one end of super heat-conductive pipe (5) extend in heat storage water tank (3), high-temperature bearing heat pipe economizer (1) leads directly to Cryo Heat Tube economizer (4), in high-temperature bearing heat pipe economizer (1), the bottom of Cryo Heat Tube economizer (4) is provided with ash hole (8), exhaust outlet (11) is provided with in Cryo Heat Tube economizer (4) lower end, high temperature hot water pump (2) is placed in high-temperature bearing heat pipe economizer (1), the top at Cryo Heat Tube economizer (4) top, be connected with heat storage water tank (3) by hot water inlet pipe (6), high temperature hot water pump (2) is connected with hot water outlet pipe (7).
2. the residual heat from boiler fume having boiler smoke dustproof function concurrently according to claim 1 reclaims energy saver, it is characterized in that: described super heat-conductive pipe (5) is arranged in angle of inclination in the inner chamber of high-temperature bearing heat pipe economizer (1), Cryo Heat Tube economizer (4).
3. the residual heat from boiler fume having boiler smoke dustproof function concurrently according to claim 2 reclaims energy saver, it is characterized in that: described ash hole (8) is connected with cement output tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420642168.8U CN204214285U (en) | 2014-10-31 | 2014-10-31 | The residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver |
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| CN201420642168.8U CN204214285U (en) | 2014-10-31 | 2014-10-31 | The residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315872A (en) * | 2014-10-31 | 2015-01-28 | 惠州市拓丰实业有限公司 | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect |
| CN104832934A (en) * | 2015-05-08 | 2015-08-12 | 江苏万代环境科技有限公司 | Boiler flue gas dust removal and waste heat recovery energy-saving device |
-
2014
- 2014-10-31 CN CN201420642168.8U patent/CN204214285U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315872A (en) * | 2014-10-31 | 2015-01-28 | 惠州市拓丰实业有限公司 | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect |
| CN104315872B (en) * | 2014-10-31 | 2017-02-15 | 广东拓丰实业有限公司 | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect |
| CN104832934A (en) * | 2015-05-08 | 2015-08-12 | 江苏万代环境科技有限公司 | Boiler flue gas dust removal and waste heat recovery energy-saving device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhixiong Inventor after: Zhang Qingchun Inventor before: Wang Zhixiong |
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| COR | Change of bibliographic data | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Two building, 516200 Donghua Avenue, Huiyang District, Guangdong, Huizhou Patentee after: GUANGDONG TUOFENG INDUSTRIAL CO., LTD. Address before: Two building, 516200 Donghua Avenue, Huiyang District, Guangdong, Huizhou Patentee before: HUIZHOU TUOFENG INDUSTRIAL CO., LTD. |