CN205605255U - Biomass waste pot furnace assembly integrated power production system - Google Patents
Biomass waste pot furnace assembly integrated power production system Download PDFInfo
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- CN205605255U CN205605255U CN201620325928.1U CN201620325928U CN205605255U CN 205605255 U CN205605255 U CN 205605255U CN 201620325928 U CN201620325928 U CN 201620325928U CN 205605255 U CN205605255 U CN 205605255U
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Abstract
The utility model discloses a biomass waste pot furnace assembly integrated power production system, reheat turbine heat recovery system and bypass system in the middle of high temperature superhigh pressure living beings reheat boiler steam -water system, low temperature superhigh pressure msw incineration waste heat saturation boiler steam -water system, high temperature superhigh pressure. The utility model discloses under the radius of the same biomass fuel purchase, improved turbo generator set's installed capacity, it is not high to have solved the unit efficiency that installed capacity that biomass power generation leads to does not arouse very much because of the radial restriction of fuel purchase, it is not high to have solved the main steam temperature degree that leads to because of the bottleneck of producing the high temperature corrosion of flue gas behind the msw incineration, has improved main steam temperature degree for the cycle efficiency improves greatly, shortened the flue gas at 500 DEG C to 300 DEG C flow time, greatly reduced in the msw incineration exhaust -heat boiler secondary of dioxin synthetic.
Description
Technical field
This utility model relates to biomass, garbage power system, is specially a kind of biomass garbage boiler group combined generating system.
Background technology
At present, biomass power generation is limited by fuel purchase radius, and maximum installed capacity is less than 30MW, and meanwhile, garbage power is corroded by garbage fired boiler high-temperature flue gas and limited, and main temperature is not higher than 400 DEG C, and the cycle efficieny causing unit is the highest.
Utility model content
This utility model is solved the technical problem that to be to provide a kind of biomass garbage boiler group combined generating system, to solve the shortcoming in above-mentioned background technology.
This utility model is solved the technical problem that and is realized by the following technical solutions: a kind of biomass garbage boiler group combined generating system, including superhigh-pressure high-temp biomass reheat boiler boiler circuit, the saturated boiler steam and water circuit of low-temperature ultrahigh-pressure waste incineration waste heat, superhigh-pressure high-temp resuperheat steamer heat regenerative system and bypath system
Described superhigh-pressure high-temp biomass reheat boiler boiler circuit includes economizer B, drum B, water-cooling wall, superheater group, reheater group, described economizer B is connected to drum B by pipeline, described drum B is connected to described water-cooling wall, it is connected to described superheater group also by pipeline simultaneously, it is provided with spray desuperheating device between every grade of described superheater group, and the outlet of spray desuperheating device connects the high pressure cylinder of steam turbine by pipeline valve；Described steam turbine high-pressure cylinder steam discharge is connected to described reheater group by pipeline；The drum A outlet that the import of described superheater group is connected in the low-temperature ultrahigh-pressure saturated boiler steam and water circuit of waste incineration waste heat also by pipeline, described superheater group, reheater group and economizer B are arranged in biomass boiler flue, and described water-cooling wall is arranged in the burner hearth of biomass boiler；
The described low-temperature ultrahigh-pressure saturated boiler steam and water circuit of waste incineration waste heat includes economizer A, drum A, evaporation screen, described economizer A, evaporation screen are arranged in refuse incineration exhaust-heating boiler flue, described economizer A is connected with high pressure water pump A, and described drum A is positioned at outside garbage burning boiler and is connected with described economizer A, evaporation screen and superheater group；
nullDescribed superhigh-pressure high-temp resuperheat steamer heat regenerative system includes steam turbine、Condenser、Condensate pump、Low-pressure heater A、Low-pressure heater B、Low-pressure heater C、Higher-pressure deaerator、Feed pump A、Feed pump B、High-pressure heater A、High-pressure heater B，The high pressure cylinder of described steam turbine has one-level to draw gas to be connected to high-pressure heater B，The steam drain of the high pressure cylinder of described steam turbine is connected to reheater group and high-pressure heater A，Described turbine low pressure cylinder level Four is drawn gas and be respectively connected higher-pressure deaerator、Low-pressure heater C、Low-pressure heater B and low-pressure heater A，The low pressure (LP) cylinder steam drain of described steam turbine is connected to condenser，Described condenser is sequentially connected in series low-pressure heater A by pipeline and condensate pump、Low-pressure heater B、Low-pressure heater C is to higher-pressure deaerator，The economizer A that described higher-pressure deaerator is connected in refuse incineration exhaust-heating boiler by feed pump A，It is sequentially connected in series high-pressure heater A also by feed pump B、High-pressure heater B and economizer A；
Described bypath system includes bypassing temperature-decreased pressure reducer A, bypass temperature-decreased pressure reducer B, bypass condenser and bypass condensate pump, described bypass desuperheat subtracts the reheater group inlet pipeline being connected to biomass boiler burner hearth on device A under connection biomass boiler superheater group outlet conduit, described bypass desuperheat subtracts the export pipeline on the drum A that device B upper end is connected in incinerator, lower end even the most described bypass condenser and bypass condensate pump, described bypass condensate pump is connected on described oxygen-eliminating device, described bypass condenser is connected to reheater group outlet conduit by bypass duct.
In this utility model, described biomass boiler system has biomass boiler flue, in described biomass boiler flue, is sequentially provided with superheater group, reheater group, economizer B, refuse furnace air preheater and biomass stove air preheater.
In this utility model, in the described superheater group that described drum A outlet is connected in biomass boiler.
The beneficial effects of the utility model:
1. under the radius of identical biomass fuel purchase, improve the installed capacity of Turbo-generator Set, solve the unit efficiency that biomass power generation do not causes because of installed capacity that the restriction of fuel purchase radius causes very much the highest；
2. solve the Stream temperature degree that the bottleneck of the high temperature corrosion because producing flue gas after waste incineration causes the highest, improve Stream temperature degree so that cycle efficieny is greatly improved.
3. effectively reduce the superheated steam cooling section of incinerator, flue-gas temperature is made to pass through evaporation tube and economizer, less than 300 DEG C are directly dropped to rapidly from about 900 DEG C, flue gas after waste incineration time of 300 DEG C to 500 DEG C from conventional spam waste gas of incineration boiler less than 10S, drop to about 2S.Greatly reduce the secondary synthesis of dioxin in flue gas of refuse burning.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
nullIn figure: 1-electromotor，2-steam turbine，3-condenser，4-condensate pump，5-low-pressure heater A，6-low-pressure heater B，7-low-pressure heater C，8-oxygen-eliminating device，9-high pressure water pump A，10-high pressure water pump B，11-high-pressure heater A，12-high-pressure heater B，13-economizer A，14-drum A、15-evaporates screen、16-incinerator burner hearth、17-biomass boiler burner hearth、18-economizer B，19-drum B，20-water-cooling wall、21-superheater group、22-reheater group，23-refuse furnace air preheater、24-biomass stove air preheater、25-blower A、26-blower B、27-road desuperheat subtracts device A、28-road desuperheat subtracts device B、29-bypasses condenser、30-bypasses condensate pump.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, this utility model is expanded on further.
Embodiment: as shown in Figure 1, for overall thermal force generating system flow chart, the water that the low pressure (LP) cylinder aerofluxus of steam turbine 2 condenses through condenser 3 by flow be 170t/h condensate pump 4 respectively through after low-pressure heater A, low-pressure heater B, low-pressure heater C heating to a higher-pressure deaerator 8, be heated to the feedwater of 150 DEG C through 8 water of higher-pressure deaerator, two boilers delivered to by point two two feed pumps of route.Wherein flow is the high pressure water pump of 130T/H lift 17.5MPa, after high-pressure heater A11, high-pressure heater B12 are heated to 240 DEG C, is then sent through on the economizer B18 in biomass boiler burner hearth 17.Arrive after economizer B18 heats, after drum B19, water-cooling wall 20 to superheater B21.Another flow be 60T/H lift be the economizer A13 that the high pressure water pump A9 of 17.5MPa is directly sent in incinerator burner hearth 16, it is heated to 14.5MPa through the economizer A13 of incinerator waste heat boiler, drum A14, evaporation screen 15 from the high-temperature water of 150 DEG C, Stream temperature degree is the saturated vapor of about 340 DEG C, is directly sent to biomass incinerator superheater B21 and the steam post-heating to 540 DEG C of biomass stove generation.In the high pressure cylinder of the steam turbine 2 entering high pressure high temperature reheating, tail gas after high pressure cylinder does work enters the reheater 22 of biomass boiler burner hearth 17, through reheater 22 be heated to 540 DEG C reheated steam enter steam turbine 2 low pressure (LP) cylinder continue acting after, high temperature and high pressure steam promotes turbine rotor to rotate after doing work in steamer high and low pressure cylinder, driving electromotor 1 to generate electricity, tail gas is condensed into condensation water by condenser 3 and is carried recycling by condensate pump 4.
Evaporation screen 15, economizer 13 and the smoke processing system (not embodying on this schematic diagram) of afterbody is arranged in refuse incineration exhaust-heating boiler.The air preheater of incinerator is arranged on the afterbody of biomass boiler burner hearth 17.Waste incineration produces the saturated vapor of supertension, delivers to biomass boiler burner hearth 17 and mixes after heat, becomes high temperature super heated steam.
Biomass boiler flue arranges superheater B21, reheater 22, economizer B18, refuse furnace air preheater 23 and biomass stove air preheater 24 according to flue gas direction, it is connected to a blower B26 on described refuse furnace air preheater, described biomass stove air preheater is connected to a blower A25.
Bypath system, mainly includes that bypass desuperheat subtracts device A27, bypass desuperheat subtracts device B28, a bypass is solidifying
Vapour device 29 and bypass condensate pump 30, Main Function is: one, ensure during biomass boiler trouble shooting, the saturated vapor that incinerator drum 14 produces directly arrive bypass desuperheat and subtracts device B28, is then delivered to bypass condenser 29 and condenses into water and returning to oxygen-eliminating device 8 recycling.This ensure that waste incineration can normally maintain garbage disposal, condense the recovery of water；Two, biomass boiler starts, ensures boiler and steam turbine 2 isolated operation when shutting down, and superheated steam subtracts device A27 after reheater 22 directly to bypass condenser 29 from superheater B21 outlet pathway desuperheat.Through the condensation water that bypass condenser 29 condenses, it is directly sent to oxygen-eliminating device 8.
In order to ensure that unit isolated operation can prevent overheated and reheat temperature overtemperature when maintenance stopped transport by incinerator, the superheater B21 of biomass boiler burner hearth 17 is provided with level Four, is provided with spray desuperheating device between every two-stage.Reheater 22 is provided with three grades, is provided with spray desuperheating device in the middle of every two-stage.The most also Stream temperature degree and the effect of reheat temperature controlling boiler has been effectively played.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described, skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description, principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications (such as refuse incineration exhaust-heating boiler sets up a small amount of superheater etc.), in the range of these changes and improvements both fall within claimed this utility model, this utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (3)
1. a biomass garbage boiler group combined generating system, including superhigh-pressure high-temp biomass reheat boiler boiler circuit, the saturated boiler steam and water circuit of low-temperature ultrahigh-pressure waste incineration waste heat, superhigh-pressure high-temp resuperheat steamer heat regenerative system and bypath system, it is characterized in that:
Described superhigh-pressure high-temp biomass reheat boiler boiler circuit includes economizer B (18), drum B (19), water-cooling wall (20), superheater group (21), reheater group (22), described economizer B (18) is connected to drum B (19) by pipeline, described drum B (19) is connected to described water-cooling wall (20), it is connected to described superheater group (21) also by pipeline simultaneously, it is provided with spray desuperheating device between every grade of described superheater group (21), and the outlet of spray desuperheating device connects the high pressure cylinder of steam turbine (2) by pipeline valve；Described steam turbine (2) high pressure cylinder steam discharge is connected to described reheater group (22) by pipeline；Drum A (14) outlet that the import of described superheater group (21) is connected in the low-temperature ultrahigh-pressure saturated boiler steam and water circuit of waste incineration waste heat also by pipeline, described superheater group (21), reheater group (22) and economizer B (18) are arranged in biomass boiler flue, and described water-cooling wall (20) is arranged in the burner hearth of biomass boiler；
The described low-temperature ultrahigh-pressure saturated boiler steam and water circuit of waste incineration waste heat includes economizer A (13), drum A (14), evaporation screen (15), described economizer A (13), evaporation screen (15) are arranged in refuse incineration exhaust-heating boiler flue, described economizer A (13) is connected with high pressure water pump A (9), and described drum A (14) is positioned at outside garbage burning boiler and is connected with described economizer A (13), evaporation screen (15) and superheater group (21)；
nullDescribed superhigh-pressure high-temp resuperheat steamer heat regenerative system includes steam turbine (2)、Condenser (3)、Condensate pump (4)、Low-pressure heater A (5)、Low-pressure heater B (6)、Low-pressure heater C (7)、Higher-pressure deaerator (8)、Feed pump A (9)、Feed pump B (10)、High-pressure heater A (11)、High-pressure heater B (12)，The high pressure cylinder of described steam turbine (2) has one-level to draw gas to be connected to high-pressure heater B (12)，The steam drain of the high pressure cylinder of described steam turbine (2) is connected to reheater group (22) and high-pressure heater A (11)，Described steam turbine (2) low pressure (LP) cylinder level Four is drawn gas and be respectively connected higher-pressure deaerator (8)、Low-pressure heater C (7)、Low-pressure heater B (6) and low-pressure heater A (5)，The low pressure (LP) cylinder steam drain of described steam turbine (2) is connected to condenser (3)，Described condenser (3) is sequentially connected in series low-pressure heater A (5) by pipeline and condensate pump (4)、Low-pressure heater B (6)、Low-pressure heater C (7) arrives higher-pressure deaerator (8)，The economizer A (13) that described higher-pressure deaerator (8) is connected in refuse incineration exhaust-heating boiler by feed pump A (9)，It is sequentially connected in series high-pressure heater A (11) also by feed pump B (10)、High-pressure heater B (12) and economizer A (13)；
Described bypath system includes bypassing temperature-decreased pressure reducer A (27), bypass temperature-decreased pressure reducer B (28), bypass condenser (29) and bypass condensate pump (30), described bypass desuperheat subtracts reheater group (22) inlet pipeline being connected to biomass boiler burner hearth (17) under upper superheater group (21) outlet conduit connected in biomass boiler of device A (27), described bypass desuperheat subtracts the export pipeline on the drum A (14) that device B (28) upper end is connected in incinerator, lower end even the most described bypass condenser (29) and bypass condensate pump (30), described bypass condensate pump (30) is connected on described oxygen-eliminating device (8), described bypass condenser (29) is connected to reheater group (22) outlet conduit by bypass duct.
A kind of biomass garbage boiler group combined generating system the most according to claim 1, it is characterized in that: on described biomass boiler system, have biomass boiler flue, in described biomass boiler flue, be sequentially provided with superheater group (21), reheater group (22), economizer B (18), refuse furnace air preheater (23) and biomass stove air preheater (24).
A kind of biomass garbage boiler group combined generating system the most according to claim 1, is characterized in that: on the described superheater group (21) that the outlet of described drum A (14) is connected in biomass boiler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620325928.1U CN205605255U (en) | 2016-04-18 | 2016-04-18 | Biomass waste pot furnace assembly integrated power production system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620325928.1U CN205605255U (en) | 2016-04-18 | 2016-04-18 | Biomass waste pot furnace assembly integrated power production system |
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| CN201620325928.1U Expired - Fee Related CN205605255U (en) | 2016-04-18 | 2016-04-18 | Biomass waste pot furnace assembly integrated power production system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397481A (en) * | 2019-07-02 | 2019-11-01 | 光大环保技术研究院（南京）有限公司 | Promote the waste incineration and generating electricity device of main steam condition |
| CN110578568A (en) * | 2019-09-19 | 2019-12-17 | 东方电气集团东方汽轮机有限公司 | External reheating power generation system for garbage power generation |
| WO2021016824A1 (en) * | 2019-07-29 | 2021-02-04 | 深圳市能源环保有限公司 | External reheating-type refuse incineration boiler |
| CN113551533A (en) * | 2021-07-13 | 2021-10-26 | 中国华冶科工集团有限公司 | Sintering waste heat power generation device |
| CN114233404A (en) * | 2021-12-21 | 2022-03-25 | 上海康恒环境股份有限公司 | Efficient waste incineration waste heat utilization power generation system |
| CN108592008B (en) * | 2018-05-23 | 2023-05-02 | 清华大学 | Secondary reheating power generation system and operation method thereof |
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2016
- 2016-04-18 CN CN201620325928.1U patent/CN205605255U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592008B (en) * | 2018-05-23 | 2023-05-02 | 清华大学 | Secondary reheating power generation system and operation method thereof |
| CN110397481A (en) * | 2019-07-02 | 2019-11-01 | 光大环保技术研究院（南京）有限公司 | Promote the waste incineration and generating electricity device of main steam condition |
| CN110397481B (en) * | 2019-07-02 | 2022-04-12 | 光大环保技术研究院（南京）有限公司 | Garbage incineration power generation device capable of improving main steam parameters |
| WO2021016824A1 (en) * | 2019-07-29 | 2021-02-04 | 深圳市能源环保有限公司 | External reheating-type refuse incineration boiler |
| CN110578568A (en) * | 2019-09-19 | 2019-12-17 | 东方电气集团东方汽轮机有限公司 | External reheating power generation system for garbage power generation |
| CN113551533A (en) * | 2021-07-13 | 2021-10-26 | 中国华冶科工集团有限公司 | Sintering waste heat power generation device |
| CN114233404A (en) * | 2021-12-21 | 2022-03-25 | 上海康恒环境股份有限公司 | Efficient waste incineration waste heat utilization power generation system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20180418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |