CN205279039U - Mud and living beings co -combustion power generation system - Google Patents

Mud and living beings co -combustion power generation system Download PDF

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Publication number
CN205279039U
CN205279039U CN201521133327.2U CN201521133327U CN205279039U CN 205279039 U CN205279039 U CN 205279039U CN 201521133327 U CN201521133327 U CN 201521133327U CN 205279039 U CN205279039 U CN 205279039U
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China
Prior art keywords
mud
burning
boiler
flue gas
bed boiler
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CN201521133327.2U
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Chinese (zh)
Inventor
杜玉吉
李龙
纪执琴
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Changzhou Energy Saving Research Institute Co Ltd
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Changzhou Energy Saving Research Institute Co Ltd
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Priority to CN201521133327.2U priority Critical patent/CN205279039U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste

Abstract

The utility model discloses a mud and living beings co -combustion power generation system, vulcanization bed boiler including be used for burning mud and living beings, the flue gas that vulcanizes the production of bed boiler gets into the mud memory area and carries out the mummification processing to mud, the flue gas of handling gets into the feedwater of economizer heating boiler, discharge through flue gas processing system again, the boiler combustion of vulcanization bed is sent into to mud and mixed the entering together of biomass fuel that the mummification was handled after rubbing crusher smashes, the burning produces vapor and drives steam turbine acting electricity generation, drawing gas of steam turbine gets into air heater, an air for preheating get into and vulcanize the bed boiler. The utility model discloses with directly mixing burning electricity generation among the biomass fuel behind the sludge drying, can adjust the furnace temperature through adjusting the mixing proportion, the low noxious material of production dioxin is crossed to the furnace temperature when preventing that mud from burning alone. Mud and the heat that biomass fuel co -combustion had utilized the mud burning to produce do not need additionally to add fossil fuel, the energy can be saved moreover.

Description

A kind of mud and biomass mixed firing power generation system
Technical field
The utility model relates to a kind of mixed power generation system.
Background technology
Mud is the by product with a large amount of pollutent that Sewage Plant produces in Treating Municipal Sewage and trade effluent, and in the sewage work built up, more than 90% does not have the auxiliary facility of sludge treatment. The processing mode of current mud is mainly: stable landfill, compost (Land_use change) and burning, and burns and can make the whole carbonization of organism, effectively kills pathogenic agent, reduces sludge volume to greatest extent. Mud due to water ratio relatively big, combustion heat value is low, cannot directly burn, generally need to through dehydration, drying and other treatment. Traditional sludge treatment burning process is that mud is after the anhydration systems such as sludge condensation machine, plate-and-frame filter press, low temperature mummification stove process, water ratio is reduced to about 15%, then enter the burning of mud fluidized bed incinerator, need the fuel combustion supportings such as supplementary heavy oil simultaneously. The lime-ash outward transport landfill produced, flue gas, after air preheater, enters cleaning treatment system, high altitude discharge after being up to state standards.
There are problems in traditional sludge incineration technology, wherein key problem is the highly toxic substances such as investment is big, processing costs height, organic combustion generation Dioxins. Owing to the water content of dewatered sludge, organic content, composition are unstable, it is necessary to add a certain amount of fossil oil, directly have influence on processing cost.
Practical novel content
The purpose of this utility model is to provide a kind of mud and biomass mixed firing power generation system, makes up himself calorific value of mud low, the defect that can not directly burn, effectively utilizes sludge resource.
The technical scheme that the utility model provides is:
A kind of mud and biomass mixed firing power generation system, comprise the Fluidized Bed Boiler for burn mud and biomass, the flue gas that Fluidized Bed Boiler produces enters mud storage zone and mud is carried out drying and other treatment, the flue gas processed enters the feedwater of economizer heating boiler, discharge through smoke processing system again, the mud of drying and other treatment and biomass fuel are mixed to enter after pulverizer is pulverized and send into Fluidized Bed Boiler burning, burning produces water vapour and drives steam turbine acting generating, drawing gas of steam turbine enters air preheater, the air entering Fluidized Bed Boiler for preheating.
Mixed power generation system of the present utility model will directly mix combustion power generation in biomass fuel after sludge drying, it is possible to by regulating mixing proportion, regulating stove bore temperature, fire box temperature too low generation toxic substance Dioxins when preventing mud from burning separately. Mud and biomass fuel mixed firing make use of the heat that sludge incineration produces, and do not need additionally to add fossil oil, save the energy; Simultaneously using boiler exhaust gas first as the mummification thermal source of mud, again to feedwater heating, make full use of fume afterheat, and utilize extracted steam from turbine preheated air, air themperature can be improved, prevent flue gas low-temperature from corroding, solve the biomass resources such as stalk and arbitrarily burn the wasting of resources and problem of environmental pollution that bring.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of mud and biomass mixed firing power generation system, comprise the Fluidized Bed Boiler for burn mud and biomass, the flue gas that Fluidized Bed Boiler produces enters mud storage zone and mud is carried out drying and other treatment, the flue gas processed enters the feedwater of economizer heating boiler, discharge through smoke processing system again, the mud of drying and other treatment and biomass fuel are mixed to enter after pulverizer is pulverized and send into Fluidized Bed Boiler burning, burning produces water vapour and drives steam turbine acting generating, drawing gas of steam turbine enters air preheater, the air entering Fluidized Bed Boiler for preheating.
Mud is first carried out drying and other treatment by the high-temperature flue gas discharged from fluidized-bed combustion boiler, then enters the feedwater of economizer heating boiler, discharges after smoke processing system. Mud through dehydration, drying and other treatment enters pulverizer co-grinding with biomass fuel together with stalk, wood chip, Pericarppium arachidis hypogaeae etc., then fluidized-bed combustion boiler burning is sent into, water vapour is produced with water heat exchange, water vapour enters steam turbine acting and drives generator generating, blending burning can improve the combustionproperty of mud, and promote the temperature of combustion of burner hearth, prevent from producing toxic substance Dioxins during sludge incineration. Wherein, the part of steam turbine is drawn gas and is entered air preheater, for heating the air entering fluidized-bed combustion boiler, to improve fire box temperature, and fuel saving. Using draws gas does not utilize the reason of fume afterheat to be to preheating of air, containing a large amount of deleterious acidic gas in the flue gas that sludge incineration produces, if funnel temperature is too low, causing acid attack, the heated medium of air preheater is air, more difficult monitor temperature, and economizer heated medium is water, flue gas exit temperature, close to water temperature, is easier to monitoring, therefore utilize fume afterheat heated feed water, utilize bled steam preheating air. The lime-ash that last burner hearth produces directly transports outward landfill.

Claims (1)

1. a mud and biomass mixed firing power generation system, it is characterized in that, comprise the Fluidized Bed Boiler for burn mud and biomass, the flue gas that Fluidized Bed Boiler produces enters mud storage zone and mud is carried out drying and other treatment, the flue gas processed enters the feedwater of economizer heating boiler, discharge through smoke processing system again, the mud of drying and other treatment and biomass fuel are mixed to enter after pulverizer is pulverized and send into Fluidized Bed Boiler burning, burning produces water vapour and drives steam turbine acting generating, drawing gas of steam turbine enters air preheater, the air entering Fluidized Bed Boiler for preheating.
CN201521133327.2U 2015-12-30 2015-12-30 Mud and living beings co -combustion power generation system Active CN205279039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521133327.2U CN205279039U (en) 2015-12-30 2015-12-30 Mud and living beings co -combustion power generation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521133327.2U CN205279039U (en) 2015-12-30 2015-12-30 Mud and living beings co -combustion power generation system

Publications (1)

Publication Number Publication Date
CN205279039U true CN205279039U (en) 2016-06-01

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CN201521133327.2U Active CN205279039U (en) 2015-12-30 2015-12-30 Mud and living beings co -combustion power generation system

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CN (1) CN205279039U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107448920A (en) * 2017-08-16 2017-12-08 上海垒锦环境科技中心 Biomass, rubbish, sludge and the comprehensive generating system of coal mixed combustion
CN111036643A (en) * 2019-11-19 2020-04-21 深圳市能源环保有限公司 Method for cooperatively treating kitchen waste, household garbage and sludge of sewage plant
CN111073708A (en) * 2018-10-22 2020-04-28 龙璞绿能企业股份有限公司 Organic sludge and biomass waste treatment method
CN113566264A (en) * 2021-08-09 2021-10-29 华中科技大学 Biomass and sludge based collaborative combustion heat supply system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107448920A (en) * 2017-08-16 2017-12-08 上海垒锦环境科技中心 Biomass, rubbish, sludge and the comprehensive generating system of coal mixed combustion
CN111073708A (en) * 2018-10-22 2020-04-28 龙璞绿能企业股份有限公司 Organic sludge and biomass waste treatment method
CN111036643A (en) * 2019-11-19 2020-04-21 深圳市能源环保有限公司 Method for cooperatively treating kitchen waste, household garbage and sludge of sewage plant
CN113566264A (en) * 2021-08-09 2021-10-29 华中科技大学 Biomass and sludge based collaborative combustion heat supply system

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