CN201678575U - Sludge drying and incineration and power generation integrated device - Google Patents
Sludge drying and incineration and power generation integrated device Download PDFInfo
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- CN201678575U CN201678575U CN 201020146014 CN201020146014U CN201678575U CN 201678575 U CN201678575 U CN 201678575U CN 201020146014 CN201020146014 CN 201020146014 CN 201020146014 U CN201020146014 U CN 201020146014U CN 201678575 U CN201678575 U CN 201678575U
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- steam
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- incineration
- power generation
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- 239000010802 sludge Substances 0.000 title claims abstract description 46
- 238000001035 drying Methods 0.000 title claims abstract description 31
- 238000010248 power generation Methods 0.000 title claims abstract description 9
- 238000002485 combustion reaction Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
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- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000010949 copper Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010336 energy treatment Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000035800 maturation Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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Classifications
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a sludge drying and incineration and power generation integrated device which comprises a screw rotary sludge drier. Sludge after being dried is incinerated in a fluidized bed boiler, and steam generated in the incineration is utilized for power generation; and exhaust steam of a miniature steam turbine is adopted for drying the sludge to realize the cascade utilization of steam heat energy; and electric energy generated by a miniature power generator can satisfy the power consumption required in the operation of the device, so that the running cost is reduced, energy resources are completely saved, and the sludge drying and incineration and the power generation are integrated into a whole. In the utility model, the screw rotary sludge drier is utilized for feeding to the fluidized bed boiler, the steam generated in the incineration is utilized for power generation, and the low-grade exhaust gas of the steam turbine is adopted as a hot source of the drier, so that the thermal efficiency of a steam power device is greatly improved; and meanwhile, the electric energy generated by the miniature power generator can satisfy the power consumption required in operation of the device, so that the running cost is reduced. Through the integrated design, the integrated device has reasonable and compact connection, mature structure and better economy.
Description
Technical field
The utility model relates to solid waste harmless resource utilization energy treatment process, more specifically relates to a kind of sludge anhydration burning generating integration device.
Background technology
All kinds of throw outs that produce in feedwater and wastewater treatment process, floating matter etc. are referred to as mud.The mud that general sewage work produces is that water content is at 75～99% solid or liquid shape materials that do not wait.Because its organic content height, perishable, the intensive stink is arranged, and contain heavy metals such as parasitic ovum, pathogenic micro-organism and copper, zinc, chromium, mercury, and the hazardous and noxious substances of difficult degradation such as salt, polychlorobiphenyl, dioxin, as not dealt carefully with, discharging will cause secondary pollution arbitrarily.
Along with social economy and development of urbanization, the municipal effluent generation is in continuous growth.A large amount of mud are supervened in sewage disposal, the method of disposal that with the burning is core is reduced to and minimizes because of it has the volume that can make excess sludge, processing speed is fast, and can reclaim energy contained in the mud and make hazardous and noxious substances advantage such as destroy fully by fire has become mud the most completely.
In the prior art, the enforcement of the anhydration and incineration technology of mud is divided into two big classes, a kind of is to rely on existing heat power plant to build, adopt the steam of heat power plant to come mummification, the mud after the mummification is sent into boiler and is burned, and the generated output of the turbine driven set of this type of heat power plant is higher, all at 6MW with more than the 12MW, electricity to be sending into electrical network, turbine driven set can be under the situation that sludge drying system does not move independent operating, the system relationship degree is poor; Another kind is the sludge anhydration burning factory that builds separately, sludge drying is laggard goes into fluidized-bed combustion boiler and burns, burn the steam that produces and be used for sludge drying, burning the steam that produces just uses as the thermal source of sludge drying machine, be not converted into more high-grade electric energy, current consumption is big and anhydration and incineration equipment is in operation, the overall operation cost is higher, boiler can produce vapor temperature can reach 300 ℃ even higher, and the thermal source of desiccation machine only needs the temperature below 200 ℃, energy wastage is serious, therefore, develop a kind of generating integrated technology of sludge anhydration burning of integration, realize the cascade utilization of sludge incineration heat energy, reduction system operation comprehensive cost has important use and is worth.
Summary of the invention
The purpose of this utility model provides a kind of sludge anhydration burning generating integration device, solves in the sludge handling process of the prior art, and the power consumption on process and equipment of drying and incineration link is big, and running cost height, heat energy such as can not make full use of at technical problem.
The technical solution adopted in the utility model is:
One, the generating integrated method of a kind of sludge anhydration burning:
Utilize the spiral and rotary type sludge drying machine, the wet sludge anhydration of water ratio 80%-85% below 40%, is become the 1-5mm mud granule to water ratio, thermal source adopts the steam after the small steam turbine generating; Mud after the mummification enters in the fluidized-bed combustion boiler by material-transporting system and burns, boiler body is provided with air compartment, air-distributing device, burner hearth, the stove inner separator, superheater, economizer, air preheater, the burner hearth top is provided with drum, air is provided by gas blower, is provided with slag-drip opening behind the air-distributing device; The heat energy that burns back mud release is converted into the heat energy of steam by vapor absorption, is used for the small generator generating, has realized the cascade utilization of steam thermal energy; The electricity that small generator sends is personal for the auxiliary system consumer of drying machine, boiler, satisfies the electricity consumption self-equilibrating of system.
Two, a kind of sludge anhydration burning generating integration device:
Comprise spiral and rotary type drying machine, fluidized-bed combustion boiler, small steam turbine and small generator; Wet mud feeds the spiral and rotary type sludge drying machine by the feed import, the dewatered sludge outlet of spiral and rotary type sludge drying machine is transported to fluidized-bed combustion boiler with rotary conveyor with dried mud, after the steam heat-exchanging condensation, connect boiler feedpump by condensation-water drain, the steam that fluidized-bed combustion boiler produces is by superheat steam pipeline connection small steam turbine, the generating of drive small generator is through the hollow hot box import of low-grade steam input spiral and rotary type sludge drying machine of small steam turbine acting.
The described small power generation system that is made up of small steam turbine and small generator, the power of generating set is below 1000kw.
The beneficial effect that the utlity model has is:
The utility model integrates sludge anhydration burning and generates electricity, and compared with the prior art, effect is actively with tangible.The utility model utilizes the spiral and rotary type sludge drying machine to be fluidized combustion boiler feed, utilizes the steam that burns generation to generate electricity, and adopts the thermal source of the low-grade exhaust of steam turbine as drying machine, has improved the thermo-efficiency of steam power plant greatly; The electric energy of small power generation unit generation simultaneously is enough to satisfy the electricity consumption of equipment operation, has reduced running cost; This system is by integrated design, and integrating device connects reasonable compact, adopts the device structure maturation, has better economic, and handling problems for the extremely urgent city sewage and sludge of solution China has important use value.
Description of drawings
Accompanying drawing is the structural principle synoptic diagram of the generating integrated method and apparatus of sludge anhydration burning of the present utility model.
Among the figure: 1, spiral and rotary type drying machine, 2, fluidized-bed combustion boiler, 3, small steam turbine, 4, small generator, 5, wet mud import, 6, the dewatered sludge outlet, 7, superheated vapour, 8, low-grade steam, 9, condensation-water drain.
Embodiment
As shown in drawings, the utility model comprises spiral and rotary type drying machine 1, fluidized-bed combustion boiler 2, small steam turbine 3 and small generator 4; Wet mud feeds spiral and rotary type sludge drying machine 1 by feed import 5, the dewatered sludge outlet 6 usefulness rotary conveyors of spiral and rotary type sludge drying machine 1 are transported to fluidized-bed combustion boiler 2 with dried mud, after the steam heat-exchanging condensation, connect boiler feedpump by condensation-water drain 9, the steam that fluidized-bed combustion boiler 2 produces is by superheat steam pipeline connection small steam turbine 3, drive small generator 4 generatings, through the low-grade steam 8 input spiral and rotary type sludge drying machines 1 hollow hot box import of small steam turbine 3 actings.
The described small power generation system that is made up of small steam turbine 3 and small generator 4, the power of generating set is below 1000kw.
Principle of work of the present utility model is as follows:
As shown in Figure 1, sludge anhydration burning generating integrated system of the present utility model, comprise a step of utilizing spiral and rotary type sludge drying machine 1 sludge-drying, fluidized combustion boiler 2 burning sludges also produce the step of steam, and the step of small steam turbine 3 and small generator 4 generatings.The hollow hot box of two connection transmission rigs is installed in spiral and rotary type sludge drying machine 1 inside, the low-grade exhaust 8 of small steam turbine 3 enters the import of hollow hot box, mode with indirect heating is carried out heat drying to mud, after the steam heat-exchanging condensation, pump into boiler by condensation-water drain 9 and boiler feedpump and carry out reuse, by hollow hot box heat exchange the wet sludge anhydration of water ratio 80%-85% below 40%, is become the 1-5mm mud granule to water ratio; Mud after the mummification enters in the fluidized-bed combustion boiler by material-transporting system and burns, boiler body is provided with air compartment, air-distributing device, burner hearth, the stove inner separator, superheater, economizer, air preheater, the burner hearth top is provided with drum, air is provided by gas blower, is provided with slag-drip opening behind the air-distributing device; The heat energy that burns back mud release is produced superheated vapour 7 through interchanger and enters small steam turbine 3 by vapor absorption, and drives small generator 4 actings, and the electric energy of generation has been realized the cascade utilization of steam thermal energy as the production electricity consumption; The electricity that small generator sends is personal for the auxiliary system consumer of drying machine, boiler, satisfies the electricity consumption self-equilibrating of system.
Claims (2)
1. a sludge anhydration burning generating integration device is characterized in that: comprise spiral and rotary type drying machine (1), fluidized-bed combustion boiler (2), small steam turbine (3) and small generator (4); Wet mud feeds spiral and rotary type sludge drying machine (1) by feed import (5), the dewatered sludge outlet (6) of spiral and rotary type sludge drying machine (1) is transported to fluidized-bed combustion boiler (2) with rotary conveyor with dried mud, after the steam heat-exchanging condensation, connect boiler feedpump by condensation-water drain (9), the steam that fluidized-bed combustion boiler (2) produces is by superheat steam pipeline connection small steam turbine (3), drive small generator (4) generating, through the hollow hot box import of low-grade steam (8) input spiral and rotary type sludge drying machine (1) of small steam turbine (3) acting.
2. a kind of sludge anhydration burning generating integration device according to claim 1 is characterized in that: the described small power generation system that is made up of small steam turbine (3) and small generator (4), the power of generating set is below 1000kw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020146014 CN201678575U (en) | 2010-03-30 | 2010-03-30 | Sludge drying and incineration and power generation integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020146014 CN201678575U (en) | 2010-03-30 | 2010-03-30 | Sludge drying and incineration and power generation integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN201678575U true CN201678575U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020146014 Expired - Lifetime CN201678575U (en) | 2010-03-30 | 2010-03-30 | Sludge drying and incineration and power generation integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201678575U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168855A (en) * | 2011-04-27 | 2011-08-31 | 浙江物华天宝能源环保有限公司 | Pneumatic sludge feeding device of sludge incinerator |
| CN102168856A (en) * | 2011-04-27 | 2011-08-31 | 浙江物华天宝能源环保有限公司 | Steam-driven sludge feeding device for sludge incinerator |
| CN102173555A (en) * | 2011-03-16 | 2011-09-07 | 上海伏波环保设备有限公司 | Boiler unit steam extraction and drying sludge system with thermal compensation |
| CN102875001A (en) * | 2012-10-10 | 2013-01-16 | 中国科学院广州能源研究所 | Steam heat pipe drying method and system for sewage sludge |
| CN104003601A (en) * | 2014-05-28 | 2014-08-27 | 程礼华 | Process and device for generating power by using solar multidimensional electrode and microwave catalysis sludge |
-
2010
- 2010-03-30 CN CN 201020146014 patent/CN201678575U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173555A (en) * | 2011-03-16 | 2011-09-07 | 上海伏波环保设备有限公司 | Boiler unit steam extraction and drying sludge system with thermal compensation |
| CN102173555B (en) * | 2011-03-16 | 2012-07-04 | 上海伏波环保设备有限公司 | Boiler unit steam extraction and drying sludge system with thermal compensation |
| CN102168855A (en) * | 2011-04-27 | 2011-08-31 | 浙江物华天宝能源环保有限公司 | Pneumatic sludge feeding device of sludge incinerator |
| CN102168856A (en) * | 2011-04-27 | 2011-08-31 | 浙江物华天宝能源环保有限公司 | Steam-driven sludge feeding device for sludge incinerator |
| CN102875001A (en) * | 2012-10-10 | 2013-01-16 | 中国科学院广州能源研究所 | Steam heat pipe drying method and system for sewage sludge |
| CN104003601A (en) * | 2014-05-28 | 2014-08-27 | 程礼华 | Process and device for generating power by using solar multidimensional electrode and microwave catalysis sludge |
| CN104003601B (en) * | 2014-05-28 | 2015-12-09 | 程礼华 | Sun power multidimension electrode and microwave catalysis sludge power generation technique and device thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |