CN206670312U - It is used for the system of garbage drying after water vapour heating caused by refuse pyrolysis - Google Patents
It is used for the system of garbage drying after water vapour heating caused by refuse pyrolysis Download PDFInfo
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- CN206670312U CN206670312U CN201620918672.5U CN201620918672U CN206670312U CN 206670312 U CN206670312 U CN 206670312U CN 201620918672 U CN201620918672 U CN 201620918672U CN 206670312 U CN206670312 U CN 206670312U
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- dry section
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Abstract
It the utility model is related to the system for being used for garbage drying after water vapour caused by refuse pyrolysis heats up.System of the present utility model includes rotary hearth furnace, blower fan, heating furnace, drying garbage device, rotary hearth furnace has rotatable ring-shaped furnace bottom, for placing rubbish, its upper furnace is provided with radiant tube, rotary hearth furnace has feed zone, dry section, pyrolysis zone, discharge zone successively, and baffle plate is respectively arranged between dry section and feed zone, pyrolysis zone；The gas outlet connecting fan air inlet of dry section, blower fan gas outlet connection heating furnace air inlet, heating furnace gas outlet connect the air inlet of drying garbage device, the garbage outlet connection feed zone of drying garbage device.The utility model can effectively utilize caused high-purity water steam in garbage processing procedure, realize the recycling of resource.
Description
Technical field
It the utility model is related to solid waste resource recovery process field, more particularly to water vapour liter caused by refuse pyrolysis
It is used for the system of garbage drying after temperature.
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 discarded object, particularly domestic waste is also being continuously increased, and serious pollution is caused to environment.Sustainable
Under the influence of idea of development, solid waste is innoxious, minimizing and the development and application of resource treatment technique and industrialization, will
A wide prospect can be faced.Therefore, solid waste treating technology research turns into after waste water, exhaust-gas treatment research
Another study hotspot.Wherein, solid waste resource recovery processing refers to using management and technological measure from solid waste
Material and the energy are reclaimed, the circulation of matter and energy can be accelerated, create certain economic value.
Refuse pyrolysis method refers under conditions of anaerobic or anoxic, using the thermal instability of organic matter in garbage, to it
Heating distillation is carried out, cracks organic matter, forms various new gas, liquid and solids after condensed, then therefrom extract
Fuel oil, combustible gas etc..
It is related to a kind of rotary hearth furnace of radiant tube isolated smoke gas heating in the prior art, rotary hearth furnace is loop configuration, body of heater
It is made up of rotary furnace bottom and fixed furnace wall, furnace roof, furnace bottom is driven by furnace bottom machine to be rotated, and heated bulk material is laid in stove
On bottom, material rotates with furnace bottom, and is remained static relative to furnace bottom, and the process that discharging opening is gone to from charging door is completed to add
Thermally and chemically react.Some radiation tube heaters are provided with burner hearth, the material in stove is heated with radiation mode.
When carrying out pyrolysis processing to rubbish using above-mentioned rotary hearth furnace, rubbish rotates in stove with furnace bottom, 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,
Moisture is evaporated in rubbish, is formed water vapour, simultaneously because radiant tube temperature is higher, is had a small amount of rubbish and be pyrolyzed, and is formed
Combustible pyrolysis's gas.Generally, gas-liquid can be sent to together by drying the pyrolysis gas that the water vapour formed and refuse pyrolysis are formed
Piece-rate system carries out gas-liquid separation, and water vapour is condensed into aqueous water.In the process, dry section generation water vapour not by
Effectively utilize, and the water vapour amount is big, about the 30%~50% of rubbish quality, causes greatly to waste.
Utility model content
The utility model aims at effective utilization that water vapour is produced to refuse pyrolysis in rotary hearth furnace, by steam heating
After heating, the drying for garbage raw material.The utility model can control the content of combustible gas in the water vapour that rotary hearth furnace generates, and keep away
Exempt from the waste of heat in water vapour, high financial profit, be advantageously implemented industrial applications.
To achieve the above object, the utility model proposes be used for drying after water vapour heating caused by a kind of refuse pyrolysis
The system of rubbish, the system include rotary hearth furnace, blower fan, heating furnace, drying garbage device；
The rotary hearth furnace has rotatable ring-shaped furnace bottom, for placing the rubbish；The rotary hearth furnace upper furnace is set
It is equipped with radiant tube；
The rotary hearth furnace has feed zone, dry section, pyrolysis zone, discharge zone successively；The feed zone and the dry section
Between be provided with baffle plate；Baffle plate is provided between the dry section and the pyrolysis zone；
The dry section has gas outlet；
The blower fan has fan air inlet and blower fan gas outlet；The fan air inlet connects the outlet of the dry section
Mouthful；
The heating furnace has air inlet and gas outlet, and the air inlet connects the gas outlet of the blower fan；
The drying garbage device has air inlet, and the air inlet connects the gas outlet of the heating furnace；
The drying garbage device has garbage outlet, and the garbage outlet connects the feed zone.
Further, the rotary hearth furnace, drying garbage device, the regional of blower fan are provided with multiple air inlets or outlet
Mouthful.
Further, the blower fan is two or more.
Further, the heating furnace is indirect heater.
Further, the radiant tube is indirectly heat radiant tube.
Further, the drying garbage device is roller dryer.
Further, temperature instrument and combustible gas composition detection instrument are provided with the gas outlet of the dry section.
Further, rubbish turning device is provided with the dry section.
Further, more pressure instrumentations are provided with the dry section.
In the utility model, the rubbish on rotary furnace bottom is handled using indirectly heat radiant tube, processing procedure
In by the pressure in each region of temperature and rotary hearth furnace for controlling radiant tube, and rubbish is overturn, can effectively avoided dry
Refuse pyrolysis generates combustible gas in dry area, so as to ensure the high-purity of caused water vapour.
It after steam heating caused by above-mentioned processing rubbish process, can be directly used for that garbage raw material is dried, realize
The recycling treatment of rubbish.
Brief description of the drawings
Fig. 1 is the system knot for being used for garbage drying in the utility model embodiment after water vapour heating caused by refuse pyrolysis
Structure schematic diagram.
Fig. 2 is the structural representation of rotary hearth furnace in the utility model embodiment.
Fig. 3 is the system stream for being used for garbage drying in the utility model embodiment after water vapour heating caused by refuse pyrolysis
Journey schematic diagram.
Reference in accompanying drawing is as follows：
Ith, rotary hearth furnace；IIth, blower fan；IIIth, indirect heater；IVth, drying garbage device；
1st, feed zone；2nd, dry section；3rd, pyrolysis zone；4th, discharge zone；
5th, gas outlet；6th, gas outlet；7th, gas outlet.
Embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than to limitation of the present utility model.
As shown in figure 1, to be used for garbage drying after water vapour heating caused by refuse pyrolysis in the utility model embodiment
System structure diagram.Figure includes rotary hearth furnace I, blower fan II, indirect heater III, drying garbage device IV.
As shown in Fig. 2 be the structural representation of above-mentioned rotary hearth furnace I, the rotary hearth furnace have successively feed zone 1, dry section 2,
Pyrolysis zone 3, discharge zone 4.
See Fig. 2, above-mentioned dry section 2 has gas outlet 5, and above-mentioned pyrolysis zone 3 has gas outlet 6 and gas outlet 7.
Above-mentioned blower fan II includes blower fan 1 and blower fan 2, and all has air inlet and gas outlet, wherein the air inlet of blower fan 1 with
The gas outlet 5 of dry section 2 connects.
Indirect heater III has air inlet and gas outlet, the outlet of the air inlet connecting fan 1 of the indirect heater III
Mouthful.
Drying garbage device IV has air inlet, and the air inlet is connected with the gas outlet of indirect heater III.
Drying garbage device IV also has garbage outlet, and the garbage outlet connects the feed zone 1 of rotary hearth furnace I.
The body of heater of rotary hearth furnace I includes annular furnace wall, annular furnace roof, rotatable ring-shaped furnace bottom, wherein, in garbage disposal
Cheng Zhong, rubbish is placed on rotatable ring-shaped furnace bottom.
The upper space of the burner hearth of rotary hearth furnace I is provided with radiant tube.
Rubbish turning device is provided with dry section 2, temperature instrument and combustible gas are provided with gas outlet 5 into go-on-go
Survey instrument.
The gas outlet 5 of dry section 2 is connected with the air inlet of blower fan 1, feed zone 1, pyrolysis zone 3, one or more of discharge zone 4
Individual gas outlet is connected with the air inlet of blower fan 2.
The boundary a of dry section 2 and feed zone 1 is provided with baffle plate a, dry section 2 and the boundary b of pyrolysis zone 3 and is provided with
Baffle plate b.The equal ㎜ of ＜ 100 of the vertical range between rubbish on baffle plate a and baffle plate b and rotatable ring-shaped furnace bottom.
In dry section 1, more pressure instrumentations are additionally provided with boundary a and boundary b, for detecting boundary
A and boundary b pressure.
Drying garbage device IV in the utility model embodiment is using roller dryer.
As shown in figure 3, to be used for garbage drying after water vapour heating caused by refuse pyrolysis in the utility model embodiment
System flow schematic diagram, comprise the following steps：
A, rubbish pre-processes：Garbage raw material is transported in roller dryer first, using water vapour to rubbish therein
Rubbish raw material is dried, and reduces the moisture content of garbage raw material, obtains the rubbish through pre-dried.
B, refuse pyrolysis produces water vapour：Rubbish through pre-dried is transported in dry section 2 by feed zone 1,
It is placed on rotatable ring-shaped furnace bottom and carries out pyrolysis processing, produces water vapour and pyrolytic carbon.Wherein, pyrolytic carbon passes through rotary hearth furnace
I discharge zone 4, which is transported in drawing mechanism, to be stored.
The signified refuse pyrolysis of the utility model embodiment includes two processes：Drying process and pyrolytic process.Wherein, on
The product that water vapour is drying process is stated, pyrolytic carbon is the product of pyrolytic process.
Rubbish turning device can be overturn to the rubbish on furnace bottom, ensured that rubbish is heated evenly, avoided hot-spot from making
A large amount of combustible gases are generated into refuse pyrolysis, so as to effectively control the content of combustible gas composition in water vapour.
The process of pyrolysis processing rubbish in the utility model provides heat by radiant tube, is heated using indirec radiation
Mode so that pyrolysis atmosphere and combustion heating atmosphere in rotary hearth furnace I fully completely cut off, so as to which the high-purity of water vapour be effectively ensured
Degree.
Baffle plate a can prevent gas in feed zone 1 from flowing into dry section 2, baffle plate b can prevent in pyrolysis zone 3 caused by can
Combustion gas is flowed into dry section 2, so as to ensure the anoxybiotic atmosphere in dry section 2.
Pressure instrumentation is used for the pressure differential P2 for detecting boundary a pressure differential P1 and boundary b.As P1 ＜ 5Pa
When, by adjusting blower fan 1, maintain the high 5~20Pa of pressure of the pressure ratio feed zone 1 of dry section 2；As P2 ＜ 5Pa, pass through tune
Blower fan 1 and blower fan 2 are saved, reduces the pressure of pyrolysis zone 3, the pressure for maintaining the pressure ratio pyrolysis zone 3 of dry section 2 is high by 5~
20Pa。
Temperature instrument is used to detect the temperature of water vapour at gas outlet 5, by control the heating efficiency of radiant tube come
Ensure that the temperature of water vapour is maintained between 120~400 DEG C.
Combustible gas composition detection instrument is used for the content for detecting combustible gas at gas outlet 5, flammable in water vapour when detecting
During content ＞ 1wt% (wt% is mass percent) of gas, blower fan 1 is stopped.Meanwhile make the gas in dry section 2 all logical
Cross blower fan 2 and extract rotary hearth furnace I out via other gas outlets beyond gas outlet 5.So as to ensure caused water vapour in dry section 2
High-purity.
C, water vapour heats up：Caused water vapour is drawn to indirectly heat by blower fan 1 via gas outlet 5 in dry section 2
At the air inlet of stove III, into indirect heater III.Water vapour is heated up in indirect heater III, the temperature of water vapour
Degree can rise to 450~900 DEG C.
D, garbage drying：It will heat up rear water vapour and drying garbage device IV be transported to by the gas outlet of indirect heater III
In (i.e. roller dryer).
Using the temperature of water vapour after heating, the garbage raw material in roller dryer is dried, garbage raw material
Moisture content reduces, so as to obtain predrying rear rubbish.Then will it is predrying after rubbish transport back to continuing step in rotary hearth furnace I
Process described in B.
Embodiment 1
The moisture content is used to be as the garbage raw material in the embodiment, treating capacity for 45% pretreated rubbish
100t/d (ton day).
The garbage raw material that moisture content is 45% is transported to roller dryer first, conveyed into roller dryer
180~230 DEG C of water vapour, pre-dried is carried out to rubbish therein, rubbish that moisture content is 45% is predrying to containing
Water rate is 30%, and the consumption of water vapour is 20t/d.
Rubbish through pre-dried is transported in rotary hearth furnace and is dried, is pyrolyzed, maintains the pressure ratio of dry section to enter
Expect that high 5Pa is distinguished in area, pyrolysis zone pressure, steam temperature is 120~180 DEG C at dry section gas outlet.It will be produced in rotary hearth furnace
Water vapour be transported in indirect heater, be warming up to 450 DEG C, will heat up rear water vapour and be transported in roller dryer and carry out
Drying garbage processing.
Embodiment 2
Step in the present embodiment maintains the pressure ratio feed zone of dry section, pyrolysis zone pressure high respectively with embodiment 1
10Pa, steam temperature is 180~230 DEG C at dry section gas outlet, 800 DEG C of steam temperature after heating, and other each conditions are same
Embodiment 1.
Embodiment 3
Step in the present embodiment maintains the pressure ratio feed zone of dry section, pyrolysis zone pressure high respectively with embodiment 1
20Pa, steam temperature is 230~400 DEG C at dry section gas outlet, 900 DEG C of steam temperature after heating, and other each conditions are same
Embodiment 1.
Variation
Many variations can also be expanded out based on specific embodiment of the present utility model and embodiment, such as：
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 use arbitrary rotating manner.
Radiant tube may be provided in the other positions of rotary hearth furnace, but not influence to use in its heating function, or rotary hearth furnace
Other types of mode of heating.
The order of connection of each subregion can be the order that other do not influence rotary hearth furnace work in rotary hearth furnace, 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.
Drying garbage device can be other devices for having functions/drying suitable for rotary hearth furnace work.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And the restriction not to embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And thus
Among the obvious changes or variations amplified out is still in the scope of protection of the utility model.
Claims (9)
1. it is used for the system of garbage drying after water vapour heating caused by a kind of refuse pyrolysis, it is characterised in that the system bag
Include rotary hearth furnace, blower fan, heating furnace, drying garbage device；
The rotary hearth furnace has rotatable ring-shaped furnace bottom, for placing the rubbish；The rotary hearth furnace upper furnace is provided with
Radiant tube；
The rotary hearth furnace has feed zone, dry section, pyrolysis zone, discharge zone successively；Between the feed zone and the dry section
Provided with baffle plate；Baffle plate is provided between the dry section and the pyrolysis zone；
The dry section has gas outlet；
The blower fan has fan air inlet and blower fan gas outlet；The fan air inlet connects the gas outlet of the dry section；
The heating furnace has air inlet and gas outlet, and the air inlet connects the gas outlet of the blower fan；
The drying garbage device has air inlet, and the air inlet connects the gas outlet of the heating furnace；
The drying garbage device has garbage outlet, and the garbage outlet connects the feed zone.
2. system according to claim 1, it is characterised in that multiple outlets are provided with the regional of the rotary hearth furnace
Mouthful, it is provided with multiple air inlets on the drying garbage device and the blower fan.
3. system according to claim 1, it is characterised in that the blower fan is two or more.
4. system according to claim 1, it is characterised in that the heating furnace is indirect heater.
5. system according to claim 1, it is characterised in that the radiant tube is indirectly heat radiant tube.
6. system according to claim 1, it is characterised in that the drying garbage device is roller dryer.
7. system according to claim 1, it is characterised in that temperature instrument is provided with the gas outlet of the dry section
With combustible gas composition detection instrument.
8. system according to claim 1, it is characterised in that rubbish turning device is provided with the dry section.
9. system according to claim 1, it is characterised in that more pressure instrumentations are provided with the dry section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918672.5U CN206670312U (en) | 2016-08-22 | 2016-08-22 | It is used for the system of garbage drying after water vapour heating caused by refuse pyrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918672.5U CN206670312U (en) | 2016-08-22 | 2016-08-22 | It is used for the system of garbage drying after water vapour heating caused by refuse pyrolysis |
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| Publication Number | Publication Date |
|---|---|
| CN206670312U true CN206670312U (en) | 2017-11-24 |
Family
ID=60356091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620918672.5U Expired - Fee Related CN206670312U (en) | 2016-08-22 | 2016-08-22 | It is used for the system of garbage drying after water vapour heating caused by refuse pyrolysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206670312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196992A (en) * | 2016-08-22 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | The water vapour that refuse pyrolysis produces is used for the system and method for garbage drying after heating up |
| CN115164513A (en) * | 2022-09-06 | 2022-10-11 | 东营科创生物化工有限公司 | Polyacrylamide drying device and using method thereof |
-
2016
- 2016-08-22 CN CN201620918672.5U patent/CN206670312U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196992A (en) * | 2016-08-22 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | The water vapour that refuse pyrolysis produces is used for the system and method for garbage drying after heating up |
| CN115164513A (en) * | 2022-09-06 | 2022-10-11 | 东营科创生物化工有限公司 | Polyacrylamide drying device and using method thereof |
| CN115164513B (en) * | 2022-09-06 | 2022-11-08 | 东营科创生物化工有限公司 | Polyacrylamide drying device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: System and method for drying rubbish through warmed water vapor generated by rubbish pyrolysis Effective date of registration: 20180330 Granted publication date: 20171124 Pledgee: Tianfeng Securities Co.,Ltd. Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000247 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20171124 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20171124 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |