CN106364931A - Biomass gasifier high-temperature greywater cooling pneumatic conveying system - Google Patents
Biomass gasifier high-temperature greywater cooling pneumatic conveying system Download PDFInfo
- Publication number
- CN106364931A CN106364931A CN201610935101.7A CN201610935101A CN106364931A CN 106364931 A CN106364931 A CN 106364931A CN 201610935101 A CN201610935101 A CN 201610935101A CN 106364931 A CN106364931 A CN 106364931A
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- CN
- China
- Prior art keywords
- ash
- biomass
- water
- high temperature
- transport system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
- B65G53/10—Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas
- B65G53/12—Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas the gas flow acting directly on the materials in a reservoir
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Abstract
The invention provides a biomass gasifier high-temperature greywater cooling pneumatic conveying system. The system comprises a water cooling spiral conveyor, a surge bin, a bin pump, a secondary cyclone dust collector and a dry ash bin. The secondary cyclone dust collector, the water cooling spiral conveyor, the surge bin, the bin pump and the dry ash bin are arranged in the conveying direction of biomass ash. The water cooling spiral conveyor is used for cooling high-temperature biomass ash separated by the secondary cyclone dust collector and then conveying the ash to the surge bin. According to the biomass gasifier high-temperature greywater cooling pneumatic conveying system, the water cooling spiral conveyor is arranged for cooling and conveying the biomass ash, and thus the biomass ash is not prone to blocking the water cooling spiral conveyor or a pipeline between the water cooling spiral conveyor and the surge bin.
Description
Technical field
The present invention relates to biomass field, particularly a kind of biomass gasifying furnace high temperature ash water cooling air-transport system.
Background technology
The recovery energy of China's biomass resource, particularly agricultural, production of forestry changing rejected material to useful resource, recovery energy
Field, industrialization level is very low, and substantial amounts of agricultural, production of forestry garbage are not utilized effectively, and are not only huge wave
Take, but also become the important sources of environmental pollution.Biomass Gasification in Circulating Fluidized Bed mode is because can achieve fairly large industry
Change application, be effective way and the developing direction of biomass efficient recovery energy.
Biomass Gasification in Circulating Fluidized Bed is to pass through biomass oxidizing fire, reduction and thermal decomposition etc. in gasification furnace instead
Should, the oxygen including part material and in the air is burnt, and provides reduction and the energy required for pyrolysis, most of former
Material is thermally decomposed under high temperature state, produces temperature -750 DEG C of combustion gas more than 700 DEG C and grey mixture.
The patent documentation of Authorization Notice No. cn203741289 u discloses a kind of gasification of biomass high temperature ash cooling delivery system
System, the device for cooling ash that including soot blower and is sequentially connected in series, the first flapper, manually operated door, the second flapper, intermediate bunker,
Storehouse pump, ash concentrate storage tank, described device for cooling ash include at least two sections arranged in series heat exchanger tubes and with heat exchanger tube vertically disposed soot blowing
Device, between 25-40mm, soot blower and heat exchange tube pitch are between 150-300mm to the spacing of heat exchanger tube adjacent tubes recently, farthest
For 1-1.5m, described intermediate bunker and atmosphere, in intermediate bunker, the ash of storage adopts positive Pressure Transportation System defeated by storehouse pump
Deliver to ash and concentrate storage tank storage.This invention can ensure that ash to pass through not to occur that biomass ash is put up a bridge and causes heat exchanger to block,
Ensure heat transfer effect to reduce heat exchanger cost simultaneously；Induction system pressure-air also can be avoided to enter negative pressure and to run high-temperature gasification
Combustion gas region, prevents gas explosion.
During actually used tubular type ash cooler cooling down high-temperature ash, the modulability of device for cooling ash is poor, and easy blocking.
Content of the invention
Present invention aim at providing a kind of biomass gasifying furnace high temperature ash water cooling air-transport system it is not easy to block up
Plug.
For reaching above-mentioned advantage, the present invention provides a kind of biomass gasifying furnace high temperature ash water cooling air-transport system, including
Water-cooling spiral conveyer, surge bunker, storehouse pump, second cyclone dust extractor, dry ash storehouse, described second cyclone dust extractor, water-cooled spiral shell
Rotation conveyer, surge bunker, storehouse pump, dry ash storehouse arrange according to the conveying direction of biomass ash, and described water-cooling spiral conveyer is used for
It is transported to described surge bunker after the high-temperature biomass ash cooling that described second cyclone dust extractor is separated.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described water-cooled
Conveying worm includes cooling line and spiral conveying mechanism, and described spiral conveying mechanism is provided with motor.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described water-cooled
It is provided with conveyer electric lock air valve between conveying worm, surge bunker.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described storehouse pump
For biomass ash malleation concentrated phase is transported to from described surge bunker by described dry ash storehouse by compressed air.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described buffering
It is provided with surge bunker hand operated gate valve, surge bunker electric gate valve between storehouse, storehouse pump.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described dry ash
The top in storehouse with atmosphere and is provided with cleaner unit.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described dry ash
Orlop portion is provided with drain hole and baiting valve.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described water-cooled
It is provided with the temperature acquisition element for gathering biomass ash temperature between conveying worm, surge bunker.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described cooling
Pipeline is provided with water pump.
In an embodiment of the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, described biology
Matter gasification furnace high temperature ash water cooling air-transport system also includes controller, described controller and described motor, water pump, temperature
Acquisition elements electrically connect.
In the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, by arranging water-cooling spiral conveying
Machine cools down and transmits biomass ash, and biomass ash is not easy to block water-cooling spiral conveyer or water-cooling spiral conveyer and surge bunker
Between pipeline, and adjustable water cooling spiral conveyor rotational speed regulation conveying ash flow.
Brief description
Fig. 1 show the structure of the biomass gasifying furnace high temperature ash water cooling air-transport system of first embodiment of the invention
Figure.
Fig. 2 show the process chart of the biomass gasifying furnace high temperature ash water cooling air-transport system of Fig. 1.
Fig. 3 show the structure of the biomass gasifying furnace high temperature ash water cooling air-transport system of second embodiment of the invention
Figure.
Specific embodiment
For further illustrating that the present invention is to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, propose specific embodiment, structure, feature and its effect to according to the present invention, after describing in detail such as.
Fig. 1 show the structure of the biomass gasifying furnace high temperature ash water cooling air-transport system of first embodiment of the invention
Figure.Refer to Fig. 1, the biomass gasifying furnace high temperature ash water cooling air-transport system of the present embodiment includes water-cooling spiral conveyer
1st, surge bunker 2, storehouse pump 3, second cyclone dust extractor 4, dry ash storehouse 5.Second cyclone dust extractor 4, water-cooling spiral conveyer 1, buffering
Storehouse 2, storehouse pump 3, dry ash storehouse 5 arrange according to the conveying direction of biomass ash.
Second cyclone dust extractor 4 is used for separating biomass ash and gasification of biomass combustion from the flue gas of biomass gasifying furnace
Gas, the ash hole of second cyclone dust extractor 4 is connected with water-cooling spiral conveyer 1.The ash hole of second cyclone dust extractor 4 and water
It is provided with cyclone dust extractor hand operated gate valve 41 between cooling spiral conveyor 1.The purposes of cyclone dust extractor hand operated gate valve 41 is to work as
When water-cooling spiral conveyer 1 breaks down, separate second cyclone dust extractor 4 and water-cooling spiral conveyer 1, water-cooling spiral is conveyed
Machine 1 is keeped in repair.
Water-cooling spiral conveyer 1, the high-temperature biomass ash for second cyclone dust extractor 4 is separated conveys after cooling down
To surge bunker 2.It is provided with water-cooled pipeline in water-cooling spiral conveyer 1.High-temperature biomass ash is generally at 600 DEG C -800 DEG C, water cooled
Being needed arranging according to storehouse pump 3 of biomass ash after conveying worm cooling, usually 50 DEG C ~ 200 DEG C.Cold in water-cooled pipeline
But the flow direction of water and water-cooling spiral conveyer 1 convey the in opposite direction of biomass ash, also can be identical.Water-cooling spiral conveyer 1
Spiral ash sending mechanism is configured with motor.It is provided with conveyer electric lock air valve 11 between water-cooling spiral conveyer 1, surge bunker 2.
The purposes of electric lock air valve 11 is to prevent gas from passing through water-cooling spiral conveyer 1, second cyclone dust extractor 4 entrance gas
Change furnace interior.When water-cooling spiral conveyer 1 does not work, electric lock air valve 11 is closed.
Surge bunker 2 is used for storing biomass ash, prevents the biomass in water-cooling spiral conveyer 1 for the compressed air of storehouse pump 3
During grey negligible amounts, the compressed air of storehouse pump 3 enters inside gasification furnace, and in surge bunker 2, the biomass ash of storage can make storehouse pump 3
Separate with the air pressure of water-cooling spiral conveyer 1.It is provided with surge bunker hand operated gate valve 22 between surge bunker 2, storehouse pump 3.Buffering
Storehouse hand operated gate valve 22 is used for trouble shooting and uses.
Biomass ash malleation concentrated phase is transported to dry ash storehouse 5 from surge bunker 2 by compressed air by storehouse pump 3.
Dry ash storehouse 5 is used for storing biomass ash.Dry ash storehouse 5 silo roof with atmosphere and is provided with roof scrubber 51.Dry ash
Storehouse 5 bottom is provided with drain hole and baiting valve.
Fig. 2 show the process chart of the biomass gasifying furnace high temperature ash water cooling air-transport system of Fig. 1.The present invention
Work process be:
Second cyclone dust extractor 4 separating biomass combustion gas and high-temperature biomass ash, when second cyclone dust extractor 4 reaches some
When, electric lock air valve 11 is opened, and water-cooling spiral conveyer 1 starts；
High-temperature biomass ash enters water-cooling spiral conveyer 1 by ash hole, and water-cooling spiral conveyer arrives in conveying biomass ash
While surge bunker 2, water coke slurry heat in biomass ash and cooling line, biomass ash cools down；
Biomass ash storage in surge bunker 2, when the quantity of biomass ash can make the gas of storehouse pump 3 and water-cooling spiral conveyer 1
When pressing separate, it is passed through compressed air into storehouse pump 3, biomass ash is transported in dry ash storehouse 5.
Fig. 3 show the structure of the biomass gasifying furnace high temperature ash water cooling air-transport system of second embodiment of the invention
Figure.Refer to Fig. 3, in the present embodiment, be provided with for gathering biomass ash temperature between water-cooling spiral conveyer 1, surge bunker 2
Temperature acquisition element 1a.Cooling line is provided with water pump 1b.Biomass gasifying furnace high temperature ash water cooling air-transport system also includes
Controller 10, controller 10 is electrically connected with motor 1c, water pump 1b, temperature acquisition element 1a.
The biomass ash temperature information of controller 10 collecting temperature acquisition elements 1a, controller 10 is additionally operable to controlled motor
1c, the output of water pump 1b.
When the temperature of biomass ash temperature is higher than given threshold, the output of controller 10 controlled motor 1c reduces
With or water pump 1b output increase.Ensure that the temperature range of the biomass ash after cooling.
In the biomass gasifying furnace high temperature ash water cooling air-transport system of the present invention, by arranging water-cooling spiral conveying
Machine cools down and transmits biomass ash, and biomass ash is not easy to block water-cooling spiral conveyer and water-cooling spiral conveyer and surge bunker
Between pipeline.
More than, be only presently preferred embodiments of the present invention, not the present invention is made any pro forma limit although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any those skilled in the art,
In the range of technical solution of the present invention, when the technology contents of available the disclosure above make a little change or be modified to equivalent
The Equivalent embodiments of change, as long as be that the technical spirit of the foundation present invention is to above reality without departing from technical solution of the present invention content
Apply any simple modification, equivalent variations and the modification that example is made, all still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of biomass gasifying furnace high temperature ash water cooling air-transport system it is characterised in that: include water-cooling spiral conveyer
(1), surge bunker (2), storehouse pump (3), second cyclone dust extractor (4), dry ash storehouse (5), described second cyclone dust extractor, water-cooled spiral shell
Rotation conveyer, surge bunker, storehouse pump, dry ash storehouse arrange according to the conveying direction of biomass ash, and described water-cooling spiral conveyer is used for
It is transported to described surge bunker after the high-temperature biomass ash cooling that described second cyclone dust extractor is separated.
2. biomass gasifying furnace high temperature according to claim 1 ash water cooling air-transport system it is characterised in that: described
Water-cooling spiral conveyer includes cooling line and spiral conveying mechanism, and described spiral conveying mechanism is provided with motor.
3. biomass gasifying furnace high temperature according to claim 2 ash water cooling air-transport system it is characterised in that: described
It is provided with conveyer electric lock air valve between water-cooling spiral conveyer, surge bunker.
4. biomass gasifying furnace high temperature according to claim 3 ash water cooling air-transport system it is characterised in that: described
Storehouse pump is used for, by compressed air, from described surge bunker, biomass ash malleation concentrated phase is transported to described dry ash storehouse.
5. biomass gasifying furnace high temperature according to claim 4 ash water cooling air-transport system it is characterised in that: described
It is provided with surge bunker hand operated gate valve, surge bunker electric gate valve between surge bunker, storehouse pump.
6. biomass gasifying furnace high temperature according to claim 5 ash water cooling air-transport system it is characterised in that: described
The top in dry ash storehouse with atmosphere and is provided with cleaner unit.
7. biomass gasifying furnace high temperature according to claim 6 ash water cooling air-transport system it is characterised in that: described
Dry ash orlop portion is provided with drain hole and baiting valve.
8., according to the arbitrary described biomass gasifying furnace high temperature ash water cooling air-transport system of claim 2-7, its feature exists
In: it is provided with the temperature acquisition element for gathering biomass ash temperature between described water-cooling spiral conveyer, surge bunker.
9. biomass gasifying furnace high temperature according to claim 8 ash water cooling air-transport system it is characterised in that: described
Cooling line is provided with water pump.
10. biomass gasifying furnace high temperature according to claim 9 ash water cooling air-transport system it is characterised in that: institute
State biomass gasifying furnace high temperature ash water cooling air-transport system and also include controller, described controller and described motor, water
Pump, the electrical connection of temperature acquisition element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569824 | 2016-07-19 | ||
| CN201610569824X | 2016-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106364931A true CN106364931A (en) | 2017-02-01 |
Family
ID=57896535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610935101.7A Withdrawn CN106364931A (en) | 2016-07-19 | 2016-11-01 | Biomass gasifier high-temperature greywater cooling pneumatic conveying system |
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| Country | Link |
|---|---|
| CN (1) | CN106364931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625784A (en) * | 2018-11-30 | 2019-04-16 | 东南大学 | A kind of biomass charging system |
-
2016
- 2016-11-01 CN CN201610935101.7A patent/CN106364931A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625784A (en) * | 2018-11-30 | 2019-04-16 | 东南大学 | A kind of biomass charging system |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 311115 No. 1 Yangcheng Road, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: HANGZHOU JUNENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: 311115 No. 1 Yangcheng Road, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU JUNENG BOILER Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190619 Address after: 311115 Room 203, Building 525 Dengyun Road, Gongshu District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Liangte Boiler Equipment Co.,Ltd. Address before: 311115 No. 1 Yangcheng Road, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU JUNENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190826 Address after: 310002 Room 601, 1 Hangzhou Xintiandi business center, Xiacheng District, Hangzhou, Zhejiang Applicant after: Hangzhou Oberman Environmental Protection Technology Co.,Ltd. Address before: 311115 Room 203, Building 525 Dengyun Road, Gongshu District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Liangte Boiler Equipment Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170201 |