CN104791818A - Boiler flue gas waste heat recovery method and system for improving efficiency of electrostatic precipitation device - Google Patents
Boiler flue gas waste heat recovery method and system for improving efficiency of electrostatic precipitation device Download PDFInfo
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- CN104791818A CN104791818A CN201510184989.0A CN201510184989A CN104791818A CN 104791818 A CN104791818 A CN 104791818A CN 201510184989 A CN201510184989 A CN 201510184989A CN 104791818 A CN104791818 A CN 104791818A
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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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- 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 discloses a boiler flue gas waste heat recovery method and system for improving the efficiency of an electrostatic precipitation device. Air in front of an air preheater, flue gas in back of a desulfurizing tower, feed water of a boiler and the like serve as heat sinks, a part of the air of the electrostatic precipitation device is subjected to temperature reduction through an energy recovery device, and the temperature of the other part of the air is kept constant through a bypass flue. Regardless of whether low-temperature condensation occurs or not in the temperature reduction process of the air subjected to temperature reduction through the energy recovery device, no low-temperature condensation and corrosion occur due to temperature rise after the air is mixed with the air of the bypass flue and then flows into the electrostatic precipitation device. By the adoption of the boiler flue gas waste heat recovery method and system, the low-temperature corrosion problem can be avoided while temperature reduction.
Description
Technical field
The present invention relates to a kind of the residual heat from boiler fume recovery method and the system that improve electric dust collector efficiency.
Background technology
Electric dust collector is used widely in power plant, and electric dust collector is along with the reduction of flue-gas temperature, and its efficiency significantly improves, reduce flue-gas temperature simultaneously and can reclaim large energy again, for inlet air of boiler heating, feedwater heating and desulfurizing tower flue gas reheat, have good effects of energy conservation and environmental protection.But flue-gas temperature reduces the cold end corrosion likely causing electric dust collector.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of the residual heat from boiler fume recovery method and the system that improve electric dust collector efficiency are provided.
The object of the invention is to be achieved through the following technical solutions: a kind of residual heat from boiler fume recovery method improving electric dust collector efficiency, the method is: arrange energy recycle device and bypass flue in the upstream of electric dust collector, part of smoke passes through energy recycle device, another part is through bypass flue, both are mixed into electric dust collector, one or more in the heat heating boiler air inlet that energy recycle device reclaims, boiler feed water, desulfurizing tower exhaust.
Further, the method also carries out energy regenerating by one or both in preposition energy recycle device, rearmounted energy recycle device to flue gas, described preposition energy recycle device is arranged on the upstream of energy recycle device, and described rearmounted energy recycle device is arranged on the downstream of electric dust collector.
Improve a residual heat from boiler fume recovery system for electric dust collector efficiency, described system is positioned at electric dust collector upstream, and system comprises energy recycle device, bypass flue, and energy recycle device is connected with electric dust collector respectively with bypass flue; Part of smoke is through energy recycle device, and another part flue gas, through bypass flue, enters electric dust collector after the mixing of two parts flue gas.
Further, described system also comprise in air heating apparatus, smoke re-heater one or both, air heating apparatus is arranged on air preheater upstream, and smoke re-heater is arranged on desulfurizing tower downstream; Energy recycle device is connected with one or both in air heating apparatus, smoke re-heater by pipeline L, pump is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device reclaims is delivered in one or both in air heating apparatus, smoke re-heater by the liquid in pipeline L.
Further, system also comprises air heating apparatus and preposition energy recycle device, and air heating apparatus is arranged on air preheater upstream; Energy recycle device is connected by pipeline L with air heating apparatus, pump is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device reclaims is delivered in air heating apparatus by the liquid in pipeline L, heats the air intake before air preheater; Preposition energy recycle device front end is connected with air preheater, and rear end is connected with bypass flue with energy recycle device, and preposition energy recycle device is lowered the temperature in advance to flue gas and recovered energy.
Further, preposition energy recycle device, energy recycle device, air heating apparatus are connected by pipeline L successively, form closed-loop path, pump is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that preposition energy recycle device, energy recycle device reclaim is delivered in air heating apparatus by the liquid in pipeline L, and the air before air preheater is preheated.
Further, system also comprises the rearmounted energy recycle device being positioned at electric dust collector downstream.
Further, energy recycle device, rearmounted energy recycle device, air heating apparatus are connected by pipeline L successively, form closed-loop path, pump is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device and rearmounted energy recycle device reclaim is delivered in air heating apparatus by the liquid in pipeline L, and the air before air preheater is preheated.
Further, preposition energy recycle device, energy recycle device, rearmounted energy recycle device, air heating apparatus are connected by pipeline L successively, form closed-loop path, pump is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that preposition energy recycle device, energy recycle device, rearmounted energy recycle device reclaim is delivered in air heating apparatus by the liquid in pipeline L, and the air before air preheater is preheated.
Further, system also comprises rearmounted energy recycle device and smoke re-heater, rearmounted energy recycle device is connected by pipeline L with smoke re-heater, form closed-loop path, pump is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that rearmounted energy recycle device reclaims is delivered in smoke re-heater by the liquid in pipeline L.
The present invention proposes a kind of reduction temperature simultaneously, the method and system of cold end corrosion can not be caused again, have simple, reliably, be easy to the flue gas energy recovery method and system to the high-efficient energy-saving environment friendly that existing flue gas system is transformed.
Accompanying drawing explanation
Fig. 1 be before utilizing air preheater air as heat sink energy recovery principle figure;
Fig. 2 to utilize before air preheater after air and desulfurizing tower flue gas as heat sink energy recovery principle figure;
Fig. 3 be after utilizing desulfurizing tower flue gas as heat sink energy recovery principle figure;
Fig. 4 utilizes boiler feedwater as heat sink energy recovery principle figure;
Fig. 5 is the energy recovery principle figure with preposition energy recycle device;
Fig. 6 is the energy recovery principle figure with preposition energy recycle device and rearmounted energy recycle device;
Fig. 7 is with preposition energy recycle device and rearmounted energy recycle device, and before utilizing air preheater, air is as heat sink energy recovery principle figure;
Fig. 8 is with preposition energy recycle device and rearmounted energy recycle device, to utilize before air preheater air and boiler feedwater as heat sink energy recovery principle figure;
Fig. 9 is with preposition energy recycle device, to utilize before air preheater air and boiler feedwater as heat sink energy recovery principle figure;
Figure 10 is with preposition energy recycle device and rearmounted energy recycle device, to utilize after air before air preheater, desulfurizing tower flue gas and boiler feedwater as heat sink energy recovery principle figure;
Figure 11 is with preposition energy recycle device and rearmounted energy recycle device, to utilize before air preheater after air and desulfurizing tower flue gas as heat sink energy recovery principle figure;
Figure 12 is with preposition energy recycle device, and before utilizing air preheater, air is as heat sink energy recovery principle figure.
In figure, boiler 1, air preheater 2, electrostatic precipitator 3, air-introduced machine 4, desulfurizing tower 5, energy recycle device 10, bypass flue 11, flow control valve 12, air reheater 20, pump 30, pipeline L, smoke re-heater 40, preposition energy recycle device 50, rearmounted energy recycle device 60.
Detailed description of the invention
The present invention utilizes the feedwater of flue gas and boiler 1 after air before air preheater 2, desulfurizing tower 5 etc. as heat sink, a part for the air entering electrostatic precipitator 3 is lowered the temperature through energy recycle device, another part is through bypass flue 11, temperature ensures constant, though through energy recycle device 10 lower the temperature air its whether can produce cryogenic temperature condensation in temperature-fall period, after mixing with the air of bypass flue 11, because its temperature raises, after entering electric dust collector 3, cryogenic temperature condensation corrosion can not be produced.
Before Fig. 1 utilizes air preheater 2, air is as heat sink, system is between air preheater 2 and desulfurizing tower 5, system comprises the air heating apparatus 20 before being placed in air preheater 2, energy recycle device 10, bypass flue 11, electric dust collector 3, and energy recycle device 10 is connected with electric dust collector 3 respectively with bypass flue 11; Air preheater 2 is connected and is connected with bypass flue 11 with energy recycle device 10, and electric dust collector 3 is connected with desulfurizing tower 5; Part of smoke is through energy recycle device 10, and another part flue gas, through bypass flue 11, enters electric dust collector 3 after the mixing of two parts flue gas.Energy recycle device 10 is connected by pipeline L with air heating apparatus 20, pump 30 is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device 10 reclaims is delivered in air heating apparatus 20 by the liquid in pipeline L, heats the air intake before air preheater 2.
Fig. 3 and Fig. 1 is different, substituted by the smoke re-heater 40 of air heating apparatus 20 before air preheater 2 after desulfurizing tower 5, energy recycle device 10 is connected by pipeline L with smoke re-heater 40, and pump 30 is placed in pipe-line system, drive liquid-circulating, after desulfurizing tower, air is by reheating.
Air before Fig. 2 air preheater 20 and the rear flue gas of desulfurizing tower 5 are as heat sink, energy recycle device 10 is connected with air reheater 20 with smoke re-heater 40 respectively by pipeline L, pump 30 is placed in pipe-line system, drive liquid-circulating, after desulfurizing tower 5, flue gas is by reheating, heats the air A before air preheater 20 simultaneously.
Fig. 1, Fig. 2 and Fig. 3 all using gas as heat sink, adopt the liquid in pipeline L thermal source flue gas and heat sink between transferring heat.Fig. 4 and Fig. 1, Fig. 2, Fig. 3 are different, directly utilize boiler feedwater W as heat sink, i.e. the energy recycle device 10 heat heating boiler water inlet of reclaiming.
The situation of Fig. 1, Fig. 2 and Fig. 3 and Fig. 4 display is several typical case, in fact, and can be as the case may be, utilize the air intake of boiler 1, boiler replenishing water W, a kind of in desulfurizing tower final vacuum or their flexible combination, as heat sink, realize energy regenerating and flue gas cool-down.
All be provided with flow control valve 12 in the bypass of Fig. 1, Fig. 2 and Fig. 3 and Fig. 4, can bypass flow be regulated.By regulating bypass flow can change mixed temperature, and the amount recovered energy.
Another benefit of this method and system is, by the flue gas flow rate that can reduce in electric dust collector of lowering the temperature, raise the efficiency, reduce resistance, can adopt air-introduced machine 4, air-introduced machine is placed in the downstream of energy recycle device 10, the density of the flue gas Y after cooling is large simultaneously, volume flow is little, is conducive to Fan Energy-saving.
Fig. 5 adds preposition energy recycle device 50 pairs of flue gases and carries out precooling on Fig. 1 basis; Preposition energy recycle device 50 front end is connected with air preheater 2, and rear end is connected with bypass flue 11 with energy recycle device 10, also can increase preposition energy recycle device 50 pairs of gas energies in downstream and carry out degree of depth recovery.The heat reclaimed can be used to heating boiler feed water W(Fig. 8,9 etc.), also can carry out heat exchange (Fig. 7, Figure 12 etc.) by circulating fluid and other device.
The difference of Figure 12 and Fig. 5 is: preposition energy recycle device 50, energy recycle device 10, air heating apparatus 20 are connected successively by pipeline L, form closed-loop path, pump 30 is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that preposition energy recycle device 50, energy recycle device 10 reclaim is delivered in air heating apparatus 20 by the liquid in pipeline L, and the air before air preheater 20 is preheated.
On the basis of Fig. 5, rearmounted energy recycle device 60 can also be increased, as shown in Figure 6.The heat that preposition energy recycle device 50 and rearmounted energy recycle device 60 reclaim can flexible utilization.
In Fig. 7, preposition energy recycle device 50, energy recycle device 10, rearmounted energy recycle device 60, air heating apparatus 20 are connected by pipeline L successively, form closed-loop path, pump 30 is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that preposition energy recycle device 50, energy recycle device 10, rearmounted energy recycle device 60 reclaim is delivered in air heating apparatus 20 by the liquid in pipeline L, and the air before air preheater 20 is preheated.
Fig. 8 and Fig. 7 is different to be, the heat that preposition energy recycle device 50 reclaims is used for heating boiler feed water W, and the heat that rearmounted energy recycle device 60 reclaims and energy recycle device 10 reclaim heat and be all used for the air before heating air preheater.
Fig. 9 and Fig. 8 is different to be, does not arrange rearmounted energy recycle device 60.
Figure 10 and Fig. 8 is different to be, the heat that rearmounted energy recycle device 60 reclaims is used for flue gas after reheating desulfurizing tower, and energy recycle device 10 reclaims heat and is still used for the air before heating air preheater.That is: system comprises energy recycle device 10, bypass flue 11, electric dust collector 3, is placed in air heating apparatus 20, preposition energy recycle device 50, rearmounted energy recycle device 60 and smoke re-heater 40 before air preheater 2, and energy recycle device 10 is connected with electric dust collector 3 respectively with bypass flue 11; Air preheater 2 is connected with bypass flue 11 with energy recycle device 10, and electric dust collector 3 is connected with desulfurizing tower 5; Energy recycle device 10 is connected by pipeline L with air heating apparatus 20, pump 30 is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device 10 reclaims is delivered in air heating apparatus 20 by the liquid in pipeline L, heats the air intake before air preheater 2.Preposition energy recycle device 50 front end is connected with air preheater 2, and rear end is connected with bypass flue 11 with energy recycle device 10.Rearmounted energy recycle device 60 is connected by pipeline L with smoke re-heater 40, form closed-loop path, pump 30 is placed in pipeline L, and drive the liquid-circulating in pipeline L, the heat that rearmounted energy recycle device 60 reclaims is delivered in smoke re-heater 40 by the liquid in pipeline L.
Figure 11 and Fig. 7 is different to be, the heat that rearmounted energy recycle device 60 reclaims is used for flue gas after reheating desulfurizing tower, and the heat that preposition energy recycle device 50 reclaims and energy recycle device 10 reclaim heat and be still used for the air before heating air preheater.That is: system comprises energy recycle device 10, bypass flue 11, electric dust collector 3, is placed in air heating apparatus 20, preposition energy recycle device 50, rearmounted energy recycle device 60 and smoke re-heater 40 before air preheater 2, and energy recycle device 10 is connected with electric dust collector 3 respectively with bypass flue 11; Air preheater 2 is connected with bypass flue 11 with energy recycle device 10, and electric dust collector 3 is connected with desulfurizing tower 5; Energy recycle device 10 is connected by pipeline L with air heating apparatus 20, pump 30 is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device 10 reclaims is delivered in air heating apparatus 20 by the liquid in pipeline L, heats the air intake before air preheater 2.Preposition energy recycle device 50 front end is connected with air preheater 2, and rear end is connected with bypass flue 11 with energy recycle device 10.Preposition energy recycle device 50, energy recycle device 10, air heating apparatus 20 are connected by pipeline L successively, form closed-loop path, pump 30 is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that preposition energy recycle device 50, energy recycle device 10 reclaim is delivered in air heating apparatus 20 by the liquid in pipeline L, and the air before air preheater 20 is preheated.Rearmounted energy recycle device 60 is connected by pipeline L with smoke re-heater 40, form closed-loop path, pump 30 is placed in pipeline L, and drive the liquid-circulating in pipeline L, the heat that rearmounted energy recycle device 60 reclaims is delivered in smoke re-heater 40 by the liquid in pipeline L.
Claims (10)
1. one kind is improved the residual heat from boiler fume recovery method of electric dust collector efficiency, it is characterized in that, the method is: arrange energy recycle device (10) and bypass flue (11) in the upstream of electric dust collector (3), part of smoke is by energy recycle device (10), another part is through bypass flue (11), both are mixed into electric dust collector (3), one or more in the heat heating boiler air inlet that energy recycle device (10) reclaims, boiler feed water, desulfurizing tower exhaust.
2. method according to claim 1, it is characterized in that, the method also carries out energy regenerating by one or both in preposition energy recycle device (50), rearmounted energy recycle device (60) to flue gas, described preposition energy recycle device (50) is arranged on the upstream of energy recycle device (10), and described rearmounted energy recycle device (60) is arranged on the downstream of electric dust collector (3).
3. one kind realizes the system of method described in claim 1, described system is positioned at electric dust collector (3) upstream, it is characterized in that, system comprises energy recycle device (10), bypass flue (11), and energy recycle device (10) is connected with electric dust collector (3) respectively with bypass flue (11); Part of smoke is through energy recycle device (10), and another part flue gas, through bypass flue (11), enters electric dust collector (3) after the mixing of two parts flue gas.
4. require the system described in 3 according to profit, it is characterized in that, described system also comprise in air heating apparatus (20), smoke re-heater (40) one or both, air heating apparatus (20) is arranged on air preheater (2) upstream, and smoke re-heater (40) is arranged on desulfurizing tower (5) downstream; Energy recycle device (10) is connected with one or both in air heating apparatus (20), smoke re-heater (40) by pipeline L, pump (30) is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device (10) reclaims is delivered in one or both in air heating apparatus (20), smoke re-heater (40) by the liquid in pipeline L.
5. require the system described in 3 according to profit, it is characterized in that, system also comprises air heating apparatus (20) and preposition energy recycle device (50), and air heating apparatus (20) is arranged on air preheater (2) upstream; Energy recycle device (10) is connected by pipeline L with air heating apparatus (20), pump (30) is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device (10) reclaims is delivered in air heating apparatus (20) by the liquid in pipeline L, and the air intake front to air preheater (2) heats; Preposition energy recycle device (50) front end is connected with air preheater (2), and rear end is connected with bypass flue (11) with energy recycle device (10), and preposition energy recycle device (50) is lowered the temperature in advance to flue gas and recovered energy.
6. system according to claim 5, it is characterized in that, preposition energy recycle device (50), energy recycle device (10), air heating apparatus (20) are connected by pipeline L successively, form closed-loop path, pump (30) is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that preposition energy recycle device (50), energy recycle device (10) reclaim is delivered in air heating apparatus (20) by the liquid in pipeline L, and the front air of air preheater (20) is preheated.
7. require the system described in 5 or 6 according to profit, it is characterized in that, system also comprises the rearmounted energy recycle device (60) being positioned at electric dust collector (3) downstream.
8. system according to claim 7, it is characterized in that, energy recycle device (10), rearmounted energy recycle device (60), air heating apparatus (20) are connected by pipeline L successively, form closed-loop path, pump (30) is placed in pipeline L, drive the liquid-circulating in pipeline L, the heat that energy recycle device (10) and rearmounted energy recycle device (60) reclaim is delivered in air heating apparatus (20) by the liquid in pipeline L, and the front air of air preheater (20) is preheated.
9. require the system described in 7 according to profit, it is characterized in that, preposition energy recycle device (50), energy recycle device (10), rearmounted energy recycle device (60), air heating apparatus (20) is connected by pipeline L successively, form closed-loop path, pump (30) is placed in pipeline L, drive the liquid-circulating in pipeline L, liquid in pipeline L is by preposition energy recycle device (50), energy recycle device (10), the heat that rearmounted energy recycle device (60) reclaims is delivered in air heating apparatus (20), the front air of air preheater (20) is preheated.
10. require the system described in 5 or 6 according to profit, it is characterized in that, system also comprises rearmounted energy recycle device (60) and smoke re-heater (40), rearmounted energy recycle device (60) is connected by pipeline L with smoke re-heater (40), form closed-loop path, pump (30) is placed in pipeline L, and drive the liquid-circulating in pipeline L, the heat that rearmounted energy recycle device (60) reclaims is delivered in smoke re-heater (40) by the liquid in pipeline L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184989.0A CN104791818A (en) | 2015-04-17 | 2015-04-17 | Boiler flue gas waste heat recovery method and system for improving efficiency of electrostatic precipitation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510184989.0A CN104791818A (en) | 2015-04-17 | 2015-04-17 | Boiler flue gas waste heat recovery method and system for improving efficiency of electrostatic precipitation device |
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| CN104791818A true CN104791818A (en) | 2015-07-22 |
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| CN201510184989.0A Pending CN104791818A (en) | 2015-04-17 | 2015-04-17 | Boiler flue gas waste heat recovery method and system for improving efficiency of electrostatic precipitation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110797A (en) * | 2016-08-29 | 2016-11-16 | 南丹县南方有色金属有限责任公司 | The blow-on fume environment protection of zinc sulfide concentrates fluidized roaster processes technique |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045928A (en) * | 1989-03-28 | 1990-10-10 | 索格股份公司 | Method for purifying waste gas discharged from glass melting furnace |
| CN102667343A (en) * | 2009-09-25 | 2012-09-12 | 巴柏寇克动力环境公司 | Integrated boiler and air pollution control systems |
| CN202813337U (en) * | 2012-09-13 | 2013-03-20 | 河北省电力勘测设计研究院 | Two-stage closed circulating boiler flue gas waste heat utilization system |
| CN203907646U (en) * | 2014-04-15 | 2014-10-29 | 河北省电力勘测设计研究院 | Lignite drying system by boiler smoke waste heat of thermal power plant |
| CN204739607U (en) * | 2015-04-17 | 2015-11-04 | 杭州兴环科技开发有限公司 | Efficiency of electricity dust collector is improved waste heat of boiler flue gas recovery system |
-
2015
- 2015-04-17 CN CN201510184989.0A patent/CN104791818A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045928A (en) * | 1989-03-28 | 1990-10-10 | 索格股份公司 | Method for purifying waste gas discharged from glass melting furnace |
| CN102667343A (en) * | 2009-09-25 | 2012-09-12 | 巴柏寇克动力环境公司 | Integrated boiler and air pollution control systems |
| CN202813337U (en) * | 2012-09-13 | 2013-03-20 | 河北省电力勘测设计研究院 | Two-stage closed circulating boiler flue gas waste heat utilization system |
| CN203907646U (en) * | 2014-04-15 | 2014-10-29 | 河北省电力勘测设计研究院 | Lignite drying system by boiler smoke waste heat of thermal power plant |
| CN204739607U (en) * | 2015-04-17 | 2015-11-04 | 杭州兴环科技开发有限公司 | Efficiency of electricity dust collector is improved waste heat of boiler flue gas recovery system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110797A (en) * | 2016-08-29 | 2016-11-16 | 南丹县南方有色金属有限责任公司 | The blow-on fume environment protection of zinc sulfide concentrates fluidized roaster processes technique |
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Effective date of registration: 20160523 Address after: 361100 No. 1178-1188, spring road, industrial zone, torch hi tech Zone (Xiangan), Fujian, Xiamen Applicant after: Xiamen Savings Environmental Co., Ltd. Address before: Hangzhou City, Zhejiang province 310018 poplar economic and Technological Development Zone Street No. 6 Street No. 452 building 3 room 103 Applicant before: Hangzhou ISAW Technology Limited |
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Application publication date: 20150722 |