CN205979823U - System for deposition sweeps after steam intensification that garbage pyrolytic produced - Google Patents
System for deposition sweeps after steam intensification that garbage pyrolytic produced Download PDFInfo
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- CN205979823U CN205979823U CN201620916992.7U CN201620916992U CN205979823U CN 205979823 U CN205979823 U CN 205979823U CN 201620916992 U CN201620916992 U CN 201620916992U CN 205979823 U CN205979823 U CN 205979823U
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- dry section
- furnace
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- rotary hearth
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Abstract
The utility model relates to a system for deposition sweeps after steam intensification that garbage pyrolytic produced. The utility model provides a system includes rotary hearth furnace, fan, heating furnace, sweeps the device, and the rotary hearth furnace has at the bottom of the rotatable annular furnace for place rubbish, and rotary hearth furnace furnace upper portion is provided with the radiant tube, the rotary hearth furnace has intake zone, dry section, pyrolysis zone, ejection of compact district in proper order, is equipped with the baffle between intake zone and the dry section, is equipped with the baffle between dry section and the pyrolysis zone, the air inlet of fan is connected to the gas outlet of dry section, and the air inlet of heating furnace is connected to the gas outlet of fan, and the air inlet that sweeps the device is connected to the gas outlet of heating furnace, sweeps the device and has water steam outlet, and this water steam outlet is located near radiant tube. The utility model discloses can effectively utilize the energy substance that the garbage pyrolytic process produced in the rotary hearth furnace, utilize the high -purity steam after heating up, thermal loss has been avoided to the deposition of cleaning system internal radiation tube -surface.
Description
Technical field
This utility model is related to solid waste resource recovery process field, and the water that more particularly, to a kind of refuse pyrolysis produce steams
The system of vapour intensification post-purge dust stratification.
Background technology
With China's rapid development of economy, urbanization process speed is constantly accelerated, and living standards of the people improve constantly, Gu
The yield of body garbage, particularly domestic waste is also being continuously increased, and environment is caused with serious pollution.Sustainable
Under the influence of idea of development, solid waste is innoxious, the development and application of minimizing and resource treatment technique and industrialization, will
A wide prospect can be faced.Therefore, solid waste treating technology research has become after waste water, exhaust-gas treatment research
Another study hotspot.Wherein, solid waste resource recovery processes and refers to using management and technological measure from solid waste
Reclaim material and the energy, the circulation of matter and energy can be accelerated, create certain economic worth.
Refuse pyrolysis method refers under conditions of anaerobic or anoxia, using the thermal instability of organic matter in garbage, to it
Carry out heating distillation, so that Organic substance is cracked, the various new gases of condensed rear formation, liquid and solid, more therefrom extract
Fuel oil, combustible gas etc..
It is related to a kind of rotary hearth furnace of radiant tube isolated smoke gas heating, rotary hearth furnace is loop configuration, body of heater in prior art
It is made up of rotary furnace bottom and fixing furnace wall, furnace roof, furnace bottom is rotated by furnace bottom machine, and heated bulk material is laid in stove
On bottom, material rotates with furnace bottom, and remains static with respect to furnace bottom, and the process going to discharging opening from charging door completes to add
Thermally and chemically react.It is provided with some radiation tube heaters in burner hearth, with radiation mode, the material in stove is heated.
When carrying out pyrolysis processing using above-mentioned rotary hearth furnace to rubbish, rubbish rotates with furnace bottom in stove, is gradually heated up heating up
Complete dry, pyrolytic process.Accordingly, rotary hearth furnace can be divided into feed zone, dry section, pyrolysis zone, discharge zone.In dry section,
In rubbish, moisture is evaporated, and forms water vapour, simultaneously because radial canal temperature is higher, has a small amount of rubbish and be pyrolyzed, and is formed
Combustible pyrolysis' gas.Generally, the water vapour that formed is dried and the pyrolysis gas of refuse pyrolysis formation can be sent to gas-liquid together
Piece-rate system carries out gas-liquid separation, and water vapour is condensed into aqueous water.In the process, dry section generate water vapour not by
Effectively utilizes, and this water vapour amount is big, about the 30%～50% of rubbish quality, causes greatly to waste.And, radial canal is deposited
In the phenomenon of superficial dust, fail to remove in time, the heating efficiency of impact radial canal.
Utility model content
The purpose of this utility model is rubbish is pyrolyzed, and carries out effectively utilizes to thermal decomposition product, realizes solid
Changing rejected material to useful resource is processed.Heated up using the water vapour that indirect heater produces to drying garbage process in rotary hearth furnace, so
Water vapour after will heat up afterwards is used for purging the dust stratification on radial canal, can maintain the temperature of radiation pipe surface while realizing ash disposal
Degree, it is to avoid the loss of heat.
The utility model discloses a kind of system of the water vapour intensification post-purge dust stratification of refuse pyrolysis generation, described system
Including rotary hearth furnace, blower fan, heating furnace, blow device；
Described rotary hearth furnace has rotatable ring-shaped furnace bottom, for placing described rubbish；Described rotary hearth furnace upper furnace sets
It is equipped with radial canal；
Described rotary hearth furnace has feed zone, dry section, pyrolysis zone, discharge zone successively；Described feed zone and described dry section
Between be provided with baffle plate；It is provided with baffle plate between described dry section and described pyrolysis zone；
Described dry section has gas outlet；
Described blower fan has fan air inlet and blower fan gas outlet, and described fan air inlet connects giving vent to anger of described dry section
Mouthful；
Described heating furnace has air inlet and gas outlet, and this air inlet connects described blower fan gas outlet；
Described blow device has air inlet, and this air inlet connects the gas outlet of described heating furnace；
Described blow device has steam outlet, and this steam outlet is located near described radial canal.
Further, described heating furnace is indirect heater.
Further, described radial canal is indirectly heat radial canal.
Further, described rotary hearth furnace, blow device, the regional of blower fan are provided with multiple air inlets or gas outlet.
Further, described blower fan is two or more.
Further, it is provided with temperature instrument and combustible gas composition detection instrument at the gas outlet of described dry section.
Further, it is provided with rubbish turning device in described dry section.
Further, it is provided with multiple stage pressure instrumentation in described dry section.
Rotary hearth furnace of the present utility model is processed to rubbish using indirectly heat radial canal, by controlling the temperature of radial canal
Degree and the pressure in each region of rotary hearth furnace, and overturn to rubbish, and can be prevented effectively from that refuse pyrolysis in dry section generate can
Combustion gas, thus ensure to produce highly purified water vapour.
Produced water vapour carries out heat temperature raising in indirect heater, and water vapour is used for purging radial canal table after heating up
The dust stratification in face, recovers the heating efficiency of radial canal, and is not result in that the temperature of radial canal reduces, it is to avoid the loss of heat.
Brief description
Fig. 1 is that the system structure of the water vapour intensification post-purge dust stratification that refuse pyrolysis produce in this utility model embodiment is shown
It is intended to.
Fig. 2 is the structural representation of rotary hearth furnace in this utility model embodiment.
Fig. 3 is that the system flow of the water vapour intensification post-purge dust stratification that refuse pyrolysis produce in this utility model embodiment shows
It is intended to.
Reference in accompanying drawing is as follows：
Ith, rotary hearth furnace；IIth, blower fan；IIIth, indirect heater；IVth, blow device；
1st, feed zone；2nd, dry section；3rd, pyrolysis zone；4th, discharge zone；
5th, gas outlet；6th, gas outlet；7th, gas outlet.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the present utility model is described in more details, with
Just the advantage that better understood when scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are only descriptive purposes, rather than to restriction of the present utility model.
As shown in figure 1, utilizing the system knot of the water vapour intensification post-purge dust stratification of refuse pyrolysis generation in this utility model
Structure includes four parts, respectively rotary hearth furnace I, blower fan II, indirect heater III, blow device IV.
As shown in Fig. 2 for above-mentioned rotary hearth furnace I structural representation, this rotary hearth furnace have successively feed zone 1, dry section 2,
Pyrolysis zone 3, discharge zone 4.Dry section 2 has gas outlet 5, and pyrolysis zone 3 has gas outlet 6 and gas outlet 7.
1. the body of heater of rotary hearth furnace I includes annular furnace wall, annular furnace roof, rotatable ring-shaped furnace bottom, wherein rotatable ring
Shape furnace bottom is used for placing rubbish and carries out pyrolysis processing.And, the upper space of the burner hearth of rotary hearth furnace I is provided with indirectly heat radiation
Pipe, for heating to the rubbish on ring-shaped furnace bottom.
It is provided with rubbish turning device in dry section 2, be provided with temperature instrument at gas outlet 5 and become go-on-go with combustible gas
Survey instrument.
The boundary b of the boundary a of feed zone 1 and dry section 2, dry section 2 and pyrolysis zone 3 be respectively arranged with baffle plate 1 and
The distance between rubbish on baffle plate 2, the bottom of baffle plate 1 and baffle plate 2 and ring-shaped furnace bottom ＜ 100.And, boundary a and point
At boundary, b is both provided with multiple stage pressure instrumentation.
2. blower fan II includes blower fan 1 and blower fan 2, and blower fan 1 and blower fan 2 all have air inlet and gas outlet.
Wherein the air inlet of blower fan 1 is connected with the gas outlet 5 of dry section 2.The air inlet of blower fan 2 and feed zone 1, pyrolysis zone
3rd, one or more of discharge zone 4 gas outlet connects.
3. indirect heater III has air inlet and gas outlet, the going out of the air inlet connecting fan 1 of this indirect heater III
QI KOU.
4. blow device IV has air inlet, and this air inlet is connected with the gas outlet of indirect heater III.
Blow device IV also has steam outlet, and this steam outlet is located near indirectly heat radial canal, can be utilized
Water vapor purging radiates the laying dust of pipe surface.
As shown in figure 3, utilizing the system stream of the water vapour intensification post-purge dust stratification of refuse pyrolysis generation in this utility model
Journey schematic diagram includes following three step：
A, refuse pyrolysis produce water vapour：Garbage raw material is transported in rotary hearth furnace I and carries out pyrolytic reaction, pyrolytic reaction bag
Include and be dried and two processes of pyrolysis.
Garbage raw material is fed by feed zone 1, and is placed on rotatable ring-shaped furnace bottom, is then transported to successively
Dry section 2, pyrolysis zone 3.The process that is dried in dry section 2 produces water vapour, carries out pyrolytic process in pyrolysis zone 3, produces
Raw pyrolytic carbon.Wherein, pyrolytic carbon is transported in drawing mechanism.
, in dry section 2, the rubbish being placed on ring-shaped furnace bottom can be overturn for rubbish turning device it is ensured that rubbish
Thermally equivalent.This rubbish turning device can avoid rubbish hot-spot to generate a large amount of combustible gases, thus effective control water vapour
The content of middle combustible gas composition.
The drying of rubbish and pyrolytic process provide heat by radial canal, because radial canal uses indirec radiation heating
Mode so that refuse pyrolysis atmosphere in rotary hearth furnace I is completely cut off with combustion heat supplying atmosphere, thus ensureing to produce the high-purity of water vapour
Degree.
Baffle plate 1 can be used for preventing the gas of feed zone 1 from flowing into dry section 2, and baffle plate 2 can prevent the flammable of pyrolysis zone 3 generation
Gas flows into dry section 2, thus ensureing the high-purity of the water vapour of generation in dry section 2.
Combustible gas composition detection instrument at gas outlet 5 is used for detecting the mass content of combustible gas in water vapour.When it contains
During amount ＞ 1wt% (wt% refers to mass content), blower fan 1 quits work, and using blower fan 2 via its beyond gas outlet 5
Out rotary hearth furnace I is extracted the gas in dry section 2 in its gas outlet, thus ensureing the high-purity of water vapour.
, dry section 2 boundary a setting multiple stage pressure instrumentation be used for monitor feed zone 1 and the pressure of dry section 2
Power difference P1.As P1 ＜ 5Pa, adjust blower fan 1, maintain the high 5～10Pa of pressure of the pressure ratio feed zone 1 of dry section 2.
The multiple stage pressure instrumentation of the boundary b setting of dry section 2 is used for monitoring dry section 2 and the pressure of pyrolysis zone 3
Difference P2.As P2 ＜ 5Pa, adjust blower fan 1 and blower fan 2, reduce the pressure of pyrolysis zone 3, maintain the pressure ratio pyrolysis zone of dry section 2
The 3 high 5～10Pa of pressure.
, the temperature instrument at gas outlet 5 is used for detecting the temperature producing water vapour in dry section 2, and then controls
The heating efficiency of radial canal is it is ensured that the temperature of water vapour maintains 120～400 DEG C.
B, water vapour heat up：Water vapour enters blower fan 1 by gas outlet 5, and the gas outlet then passing through blower fan 1 adds via indirect
The air inlet of hot stove III is delivered in indirect heater III.Indirect heater III carries out indirectly heat to water vapour, water vapour
Temperature can rise to 450～900 DEG C.
C, purging radial canal dust stratification：After intensification, water vapour passes through the gas outlet of indirect heater III via blow device IV
Air inlet is transported in blow device IV.Then it is ejected in rotary hearth furnace I via the steam outlet high speed of blow device IV,
Accelerate wherein in the presence of blower fan, then purging is carried out to the dust stratification of radiation pipe surface and remove.
Blow device IV spray high-temperature water vapor purging radiation pipe surface dust stratification when because and radial canal between
The temperature difference is little, leads to the temperature of radial canal to reduce few, effectively prevent the loss of heat.And the timely removal of dust stratification, can recover
The heating efficiency of radial canal.
Embodiment 1
Garbage raw material is transported in rotary hearth furnace on rotatable ring-shaped furnace bottom, water vapour is produced by dry run.Should
Process maintains the pressure ratio feed zone of dry section, pyrolysis zone pressure high 5Pa respectively, and at dry section gas outlet, steam temperature is
120～180 DEG C.
Then, the water vapour producing in rotary hearth furnace is transported in indirect heater, is warming up to 450 DEG C.Will heat up rear water
Steam is transported to blow device, then will heat up rear water vapour by blow device and spray into radiation pipe surface in rotary hearth furnace, to thereon
Dust stratification is purged.
Embodiment 2
Step in the present embodiment, with embodiment 1, maintains the pressure ratio feed zone of dry section, pyrolysis zone pressure high respectively
8Pa, at dry section gas outlet, steam temperature is 180～230 DEG C, 800 DEG C of steam temperature after intensification, and other each conditions are with real
Apply example 1.
Embodiment 3
Step in the present embodiment, with embodiment 1, maintains the pressure ratio feed zone of dry section, pyrolysis zone pressure high respectively
10Pa, at dry section gas outlet, steam temperature is 230～400 DEG C, 900 DEG C of steam temperature after intensification, and other each conditions are same
Embodiment 1.
Therefore, this utility model achieves the recycling treatment of rubbish, while mitigating environmental pressure, can efficient recovery
Using the energy producing in garbage processing procedure.
Variation
Many variation also can be expanded out based on specific embodiment of the present utility model and embodiment, for example：
Furnace wall in the body of heater of rotary hearth furnace, furnace roof, rotatable stove bottom can be that other in addition to annular may make up rotary hearth furnace
Shape, furnace bottom can adopt arbitrary rotating manner.
Radial canal may be provided in the other positions of rotary hearth furnace, but does not affect can adopt in its heating function, or rotary hearth furnace
Other types of mode of heating.
In rotary hearth furnace, the order of connection of each subregion can not affect, for other, the order that rotary hearth furnace works, or the quantity of subregion can
Decrease or increase, any number of air inlet or gas outlet can be set in each region.
Temperature instrument, combustible gas composition detection instrument, baffle plate, pressure instrumentation, the quantity of blower fan are not limited
System.
System described in the utility model is not limited to recycling treatment rubbish.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate this utility model example,
And the not restriction to embodiment.For those of ordinary skill in the field, also may be used on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.And thus
The obvious change amplified out or change among still in protection domain of the present utility model.
Claims (8)
1. a kind of system of the water vapour intensification post-purge dust stratification that refuse pyrolysis produce is it is characterised in that described system includes turning
Bottom stove, blower fan, heating furnace, blow device；
Described rotary hearth furnace has rotatable ring-shaped furnace bottom, for placing described rubbish；Described rotary hearth furnace upper furnace is provided with
Radial canal；
Described rotary hearth furnace has feed zone, dry section, pyrolysis zone, discharge zone successively；Between described feed zone and described dry section
It is provided with baffle plate；It is provided with baffle plate between described dry section and described pyrolysis zone；
Described dry section has gas outlet；
Described blower fan has fan air inlet and blower fan gas outlet, and described fan air inlet connects the gas outlet of described dry section；
Described heating furnace has air inlet and gas outlet, and this air inlet connects described blower fan gas outlet；
Described blow device has air inlet, and this air inlet connects the gas outlet of described heating furnace；
Described blow device has steam outlet, and this steam outlet is located near described radial canal.
2. system according to claim 1 is it is characterised in that described heating furnace is indirect heater.
3. system according to claim 1 is it is characterised in that described radial canal is indirectly heat radial canal.
4. system according to claim 1 is it is characterised in that on described rotary hearth furnace, blow device, the regional of blower fan
It is provided with multiple air inlets or gas outlet.
5. system according to claim 1 is it is characterised in that described blower fan is two or more.
6. system according to claim 1 is it is characterised in that be provided with temperature instrument at the gas outlet of described dry section
With combustible gas composition detection instrument.
7. system according to claim 1 is it is characterised in that be provided with rubbish turning device in described dry section.
8. system according to claim 1 is it is characterised in that be provided with multiple stage pressure instrumentation in described dry section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916992.7U CN205979823U (en) | 2016-08-22 | 2016-08-22 | System for deposition sweeps after steam intensification that garbage pyrolytic produced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916992.7U CN205979823U (en) | 2016-08-22 | 2016-08-22 | System for deposition sweeps after steam intensification that garbage pyrolytic produced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205979823U true CN205979823U (en) | 2017-02-22 |
Family
ID=58032677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620916992.7U Withdrawn - After Issue CN205979823U (en) | 2016-08-22 | 2016-08-22 | System for deposition sweeps after steam intensification that garbage pyrolytic produced |
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| CN (1) | CN205979823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122992A (en) * | 2016-08-22 | 2016-11-16 | 北京神雾环境能源科技集团股份有限公司 | The system and method for the water vapour intensification post-purge dust stratification that a kind of refuse pyrolysis produces |
-
2016
- 2016-08-22 CN CN201620916992.7U patent/CN205979823U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122992A (en) * | 2016-08-22 | 2016-11-16 | 北京神雾环境能源科技集团股份有限公司 | The system and method for the water vapour intensification post-purge dust stratification that a kind of refuse pyrolysis produces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu science and technology group Limited by Share Ltd Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20170222 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190226 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20190226 Granted publication date: 20170222 |