CN206094103U - Compound plasma melting furnace of waste incineration fly ash - Google Patents
Compound plasma melting furnace of waste incineration fly ash Download PDFInfo
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- CN206094103U CN206094103U CN201620967663.5U CN201620967663U CN206094103U CN 206094103 U CN206094103 U CN 206094103U CN 201620967663 U CN201620967663 U CN 201620967663U CN 206094103 U CN206094103 U CN 206094103U
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- melting furnace
- furnace
- burner hearth
- incineration
- melting
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Abstract
The utility model discloses a compound plasma melting furnace of waste incineration fly ash, including furnace, the furnace wall and be located furnace and the furnace wall between water -cooling sleeve, the melting furnace top be provided with with the star hopper and the vapor gas vent of furnace intercommunication, be provided with spout conventional fuel combustor down on melting furnace upper portion, be provided with spout plasma torch down in melting furnace's lower part, be provided with discharge port bottom melting furnace, side bottom furnace is provided with the tail gas exhaust pipe of discharging pipe and entry and discharging pipe intercommunication, tail gas exhaust pipe is located the upside of discharging pipe. The utility model discloses a compound plasma melting furnace of waste incineration fly ash adopts conventional fuel as first heat source, has effectively reduced the running cost, and using plasma has improved melting efficiency as strengthening the melting heat source, and the running cost is than simple plasma melting furnace low 60~75%.
Description
Technical field
The utility model is related to solid waste harmless treatment field, and in particular to a kind of incineration of refuse flyash melting
Stove, it is adaptable to which harmlessness disposing is carried out to the flying dust that waste incineration is produced.
Background technology
In refuse disposal field, the shared ratio of burning is increasing, and waste incineration can produce the flying dust of 5-10%, root
Specify that incineration of refuse flyash belongs to danger wastes, needs to take strict Disposal Measures, and finally needs according to related management
Carry out security landfill, it means that the processed in units cost of incineration of refuse flyash will be above rubbish itself, and take increasingly tight
The land resource opened.
At present, the innoxious disposal options of flying dust mainly have four kinds：Solidification, stabilize, pickling extract heavy metal, melting-
Vitrifying.Wherein, melting-vitrifying processing method can not only realize that flying dust is innoxious, additionally it is possible to realize farthest flying
Grey volume reduction, and the product that obtains after vitrifying is it is also possible to realize that resource is recycled, and is that the flying dust of most prospect processes skill
Art.
By the heat source for being used, fusing fly ash-vitrifying is broadly divided into the melting of electric power type, plasma fusion and combustion
Several forms such as material type melting.(producing high temperature by the burning of the conventional fuels such as fuel oil, combustion gas melts flying dust for fuel type melting
Melt) it is the flame jet sprayed using the spout from conventional fuel combustion device, fusing fly ash is made by high temperature, although its cost phase
To relatively low, but the economic value added of product is low, makes this melting cannot get enough attention.Plasma fusion is
The plasma beam sprayed using the spout from plasma flare, on the one hand makes fusing fly ash by high temperature, on the other hand logical
Contained pollutant (such as dioxin, furans) in the high activity destruction flying dust of plasma is crossed, the extensive concern in market is obtained, but is waited
The shortcoming of the high energy consumption, high operating cost and fluctuation of service of gas ions melting, constrains the popularization of this technology.
Utility model content
The purpose of this utility model is, in order to improve the deficiency of existing fusing fly ash technology, to solve plasma fusion operation
High cost, and the low problem of fuel type molten product economic value added, there is provided one kind is based on plasma and traditional fuel
The new fusing fly ash stove for combining.
To realize object above, the technical solution adopted in the utility model is：
A kind of compound plasma melting furnace of incineration of refuse flyash, including burner hearth, furnace lining and positioned at burner hearth and furnace lining
Between water cold sleeve, the star hopper and vapor exhaust outlet connected with burner hearth is provided with the top of melting furnace, in melting furnace
Top is provided with spout conventional fuel combustion device directed downwardly, and the bottom of melting furnace is provided with spout plasma fire directed downwardly
Torch, is provided with melting furnace bottom and unloads cinder notch, the side of burner hearth bottom is provided with discharge nozzle and entrance is connected with discharge nozzle
Exhaust pipe, exhaust pipe be located at discharge nozzle upside.
Star hopper described in Jing is entered in burner hearth in batches after flying dust mixes with flux, what conventional fuel combustion device was produced
Flame jet diagonally downward tentatively melts the flying dust dropped from roof of the furnace, and is sent to the bottom of burner hearth, the water of generation
Steam is discharged from vapor exhaust outlet, and the flying dust of preliminary melting is piled up in burner hearth bottom and forms just melting layer, then by plasma
The plasma beam that torch is produced is melted completely, and the glassy state slag of formation is deposited in burner hearth bottom, and melting process is produced
Hot gas by exhaust pipe discharge, glassy state slag Jing discharge nozzles discharge, Jing after water quenching chilling or natural cooling formed fly
Gray glass body product.
The spout central line of the conventional fuel combustion device and the angle of burner hearth longitudinal center line are 5～20 °.
The spout central line of the plasma flare and the angle of burner hearth longitudinal center line are 30～70 °.
The quantity of the conventional fuel combustion device is 2～4, along melting furnace radial equipartition.Can be according to the melting of melting furnace
Volume and process load arrange multiple conventional fuel combustion devices, to improve melting efficiency.
The quantity of the plasma flare is 2～4, along melting furnace radial equipartition.Can be according to the molten mass of melting furnace
Product and process load arrange multiple gas ions torches, to improve melting efficiency.
The discharge nozzle angled downward from horizontal is arranged.The downward-sloping discharge being provided with beneficial to glassy state slag of discharge nozzle.
The discharge nozzle center line is 5～10 ° with the angle of horizontal plane.
The cross sectional shape of the burner hearth bottom is the circular arc for seamlessly transitting.Circular-arc-shaped design, can make to be deposited in burner hearth bottom
The first flying dust layer that melts in portion is heated evenly, improves melting efficiency.
Compared with prior art, the utility model has advantages below：
1st, using conventional fuel as the first thermal source, operating cost is effectively reduced, using plasma is molten as strengthening
Melt thermal source, improve melting efficiency.
2nd, the arrangement of conventional fuel combustion device, the flame jet being formed immediately below obliquely of the mouth that drops in flying dust,
Ensure that flying dust is being admitted to lower portion of furnace body in melting furnace, it is to avoid flying dust airborne dust in stove, and the quilt during dropping
Preliminary melting, therefore with higher slag efficiency.
3rd, operating cost is lower than simple plasma melting furnace by 60～75%.
Description of the drawings
Fig. 1 is the structural representation of the compound plasma melting furnace of incineration of refuse flyash of the present utility model；
Description of reference numerals：1st, star hopper；2nd, vapor exhaust outlet；3rd, conventional fuel combustion device；4th, burner hearth；5th, stove
Lining；6th, plasma flare；7th, water-cooling jacket；8th, exhaust pipe；9th, discharge nozzle；10th, cinder notch is unloaded.
Specific embodiment
Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.
Embodiment：
Refer to shown in Fig. 1, a kind of compound plasma melting furnace of incineration of refuse flyash, including star hopper 1, water steams
Gas exhaust outlet 2, conventional fuel combustion device 3, burner hearth 4, furnace lining 5, plasma flare 6, water-cooling jacket 7, exhaust pipe 8, go out
Expects pipe 9 is arranged on melting furnace top with cinder notch 10, star hopper 1 is unloaded, and it is connected with burner hearth 4, and vapor exhaust outlet 2 is located at burner hearth
4 top, conventional fuel combustion device 3 is in tilted layout on melting furnace top, and plasma flare 6 is in tilted layout under melting furnace
Portion, water cold sleeve 7 is located between burner hearth 4 and furnace lining 5, and discharge nozzle 9 is arranged on the side of the bottom of burner hearth 4, and its exit arranges close
Closure door, unloads cinder notch 10 and is arranged on melting furnace bottom, and exhaust pipe 8 is located at the upside of discharge nozzle 9, and its entrance connects with discharge nozzle 9
It is logical.
Wherein, the spout of conventional fuel combustion device 3 is arranged down, the angle of its spout central line and burner hearth longitudinal center line
Preferably 5～20 °, the quantity of conventional fuel combustion device 3 is arranged to 2, is distributed on the both sides of melting furnace.
Wherein, the spout of plasma flare 6 is arranged down, and its spout central line is excellent with the angle of burner hearth longitudinal center line
Elect 30～70 ° as, so that the end of plasma beam is located at the bottom of burner hearth 4, the quantity of plasma flare 6 is arranged to 2,
It is distributed on the both sides of melting furnace.
Wherein, the angled downward from horizontal of discharge nozzle 9 is arranged, and its center line is conducive to glass straight at 5～10 ° of angle
The discharge of state slag.
Wherein, the cross sectional shape of the bottom of burner hearth 4 is the circular arc for seamlessly transitting so that be deposited in first the melting of the bottom of burner hearth 4
Flying dust is heated evenly, improves melting efficiency.
The compound plasma melting furnace of incineration of refuse flyash of the present utility model, burner hearth 4 using chrome corundum brick it is prefabricated or
Pink fused alumina pouring material pours shaping, and furnace lining 5 pours shaping using pink fused alumina pouring material；Water-cooling jacket 7 is adopted with plasma flare 6
Use same set of water circulating apparatus；Conventional fuel combustion device 3 is light diesel fuel, natural gas or liquefied petroleum gas using fuel.
With reference to Fig. 1, the course of work of the compound plasma melting furnace of incineration of refuse flyash of the present embodiment is entered
Row is illustrated：
1st, Jing stars hopper 1 is entered in burner hearth 4 in batches after flying dust mixes with flux, and conventional fuel combustion device 3 is produced
Flame jet diagonally downward, the flying dust dropped from the top of burner hearth 4 is tentatively melted and is sent to the bottom of burner hearth 4, tentatively
The flying dust of melting is deposited in the curved bottom of burner hearth 4 and forms just melting layer, and flying dust is by the then Jing vapor exhaust of thermogenetic vapor
Mouth 2 is discharged.
2nd, plasma flare 6 is produced plasma beam diagonally downward and the first melting layer surface of the curved bottom of burner hearth 4
Contact, makes just melting layer melt to form flowable state glassy state slag, melting process completely using the high temperature and high activity of plasma
The hot gas Jing exhaust pipes 8 of generation are discharged.
3rd, after flying dust input amount and melting time reach preset value, the hermatic door for opening the outlet of discharge nozzle 9 discharges glass
State slag, flying dust vitreum product is formed Jing after water quenching chilling or natural cooling.
4th, when conventional blowing out or urgent blowing out, can open melting furnace bottom unloads cinder notch 10 by the residual of the bottom of burner hearth 4
Slag is stayed to discharge.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment simultaneously is not used to limit
Protection domain of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model, is intended to be limited solely by this case
In protection domain.
Claims (8)
1. a kind of compound plasma melting furnace of incineration of refuse flyash, including burner hearth, furnace lining and positioned at burner hearth and furnace lining it
Between water cold sleeve, it is characterised in that the star hopper and vapor exhaust outlet connected with burner hearth is provided with the top of melting furnace,
Melting furnace top is provided with spout conventional fuel combustion device directed downwardly, the bottom of melting furnace be provided with spout grade directed downwardly from
Daughter torch, is provided with melting furnace bottom and unloads cinder notch, and the side of burner hearth bottom is provided with discharge nozzle and entrance and discharging
The exhaust pipe of pipe connection, exhaust pipe is located at the upside of discharge nozzle.
2. the compound plasma melting furnace of incineration of refuse flyash according to claim 1, it is characterised in that the routine
The spout central line of fuel burner and the angle of burner hearth longitudinal center line are 5～20 °.
3. the compound plasma melting furnace of incineration of refuse flyash according to claim 1 and 2, it is characterised in that described
The spout central line of plasma flare and the angle of burner hearth longitudinal center line are 30～70 °.
4. the compound plasma melting furnace of incineration of refuse flyash according to claim 3, it is characterised in that the routine
The quantity of fuel burner is 2～4, along melting furnace radial equipartition.
5. the compound plasma melting furnace of incineration of refuse flyash according to claim 4, it is characterised in that the grade from
The quantity of daughter torch is 2～4, along melting furnace radial equipartition.
6. the compound plasma melting furnace of incineration of refuse flyash according to claim 1,2,4 or 5, it is characterised in that
The discharge nozzle angled downward from horizontal is arranged.
7. the compound plasma melting furnace of incineration of refuse flyash according to claim 6, it is characterised in that the discharging
Tube hub line is 5～10 ° with the angle of horizontal plane.
8. the compound plasma melting furnace of incineration of refuse flyash according to claim 6, it is characterised in that the burner hearth
The cross sectional shape of bottom is the circular arc for seamlessly transitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620967663.5U CN206094103U (en) | 2016-08-29 | 2016-08-29 | Compound plasma melting furnace of waste incineration fly ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620967663.5U CN206094103U (en) | 2016-08-29 | 2016-08-29 | Compound plasma melting furnace of waste incineration fly ash |
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| Publication Number | Publication Date |
|---|---|
| CN206094103U true CN206094103U (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620967663.5U Active CN206094103U (en) | 2016-08-29 | 2016-08-29 | Compound plasma melting furnace of waste incineration fly ash |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246614A (en) * | 2017-06-09 | 2017-10-13 | 加拿大艾浦莱斯有限公司 | A kind of plasma fusion incinerator |
| CN108730986A (en) * | 2018-07-12 | 2018-11-02 | 上海齐耀热能工程有限公司 | Fixed-end forces device |
| CN109469910A (en) * | 2018-12-05 | 2019-03-15 | 航天环境工程有限公司 | A kind of continuous overflow deslagging plasma melting furnace and application |
| CN110470139A (en) * | 2019-07-10 | 2019-11-19 | 江苏天楹环保能源成套设备有限公司 | A kind of flying dust plasma fusion device and method heated below bath surface |
| TWI689687B (en) * | 2018-01-15 | 2020-04-01 | 東海大學 | Methods of handling incinerated fly ash and other waste |
| CN111396882A (en) * | 2020-03-31 | 2020-07-10 | 国家电投集团远达环保工程有限公司 | Melting furnace |
| CN113874330A (en) * | 2019-07-05 | 2021-12-31 | 日本电气硝子株式会社 | Glass melting furnace and method for producing glass article |
-
2016
- 2016-08-29 CN CN201620967663.5U patent/CN206094103U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246614A (en) * | 2017-06-09 | 2017-10-13 | 加拿大艾浦莱斯有限公司 | A kind of plasma fusion incinerator |
| TWI689687B (en) * | 2018-01-15 | 2020-04-01 | 東海大學 | Methods of handling incinerated fly ash and other waste |
| CN108730986A (en) * | 2018-07-12 | 2018-11-02 | 上海齐耀热能工程有限公司 | Fixed-end forces device |
| CN109469910A (en) * | 2018-12-05 | 2019-03-15 | 航天环境工程有限公司 | A kind of continuous overflow deslagging plasma melting furnace and application |
| CN109469910B (en) * | 2018-12-05 | 2024-02-13 | 航天环境工程有限公司 | Continuous overflow deslagging plasma melting furnace and application |
| CN113874330A (en) * | 2019-07-05 | 2021-12-31 | 日本电气硝子株式会社 | Glass melting furnace and method for producing glass article |
| CN113874330B (en) * | 2019-07-05 | 2024-03-01 | 日本电气硝子株式会社 | Glass melting furnace and method for producing glass article |
| CN110470139A (en) * | 2019-07-10 | 2019-11-19 | 江苏天楹环保能源成套设备有限公司 | A kind of flying dust plasma fusion device and method heated below bath surface |
| CN110470139B (en) * | 2019-07-10 | 2021-01-26 | 江苏天楹环保能源成套设备有限公司 | Fly ash plasma melting device and method for heating from below liquid level of molten pool |
| CN111396882A (en) * | 2020-03-31 | 2020-07-10 | 国家电投集团远达环保工程有限公司 | Melting furnace |
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