CN106678845A - Continuous slag discharging device of biomass particle combustion furnace - Google Patents
Continuous slag discharging device of biomass particle combustion furnace Download PDFInfo
- Publication number
- CN106678845A CN106678845A CN201710028743.3A CN201710028743A CN106678845A CN 106678845 A CN106678845 A CN 106678845A CN 201710028743 A CN201710028743 A CN 201710028743A CN 106678845 A CN106678845 A CN 106678845A
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- CN
- China
- Prior art keywords
- grate
- combustion furnace
- bar
- furnace
- disintegrating slag
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/01003—Ash crushing means associated with ash removal means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention relates to a continuous slag discharging device of a biomass particle combustion furnace. The continuous slag discharging device of the biomass particle combustion furnace comprises a rotary grate and a rotary slag pulverizing rod. The rotary grate is composed of a plurality of rotary cast iron grate bars. Graphite bearings are mounted at the two ends of each cast iron grate bar. The graphite bearings are fixed to the furnace wall of the bottom of the combustion furnace through masonry or pouring. The rotary slag pulverizing rod is fixed through high-temperature-resistant bearings which are mounted on the upper surface and the lower surface of a steel plate at the bottom of the combustion furnace. The rotary grate is driven by a first driving mechanism. The rotary slag pulverizing rod is driven by a second driving mechanism. The continuous slag discharging device of the biomass particle combustion furnace is simple in structure and reasonable in design; and in the biomass particle combustion process, ash slag is continuously discharged out of a combustion chamber of the combustion furnace and prevented from being accumulated on the rotary grate, and thus safe and efficient combustion is guaranteed.
Description
Technical field
The present invention relates to a kind of continuous deslagging device of biological particles combustion furnace, belongs to the deslagging technique neck of combustion furnace
Domain.
Background technology
Biomass solid formed fuel has the advantages that easy storage, convenient transportation, clean environment firendly, high combustion efficiency, is out
Send out using one of Main way of biomass energy.But due to the constituent contents such as K, Cl for containing in stalk biomass raw material compared with
Height, it is low to result in biomass solid formed fuel ash fusion point, easily occurs slagging scorification phenomenon in burning.Lime-ash such as can not be arranged in time
Source combustor, accumulates on fire grate, it will blocking furnace grate ventilation hole, and not only the hot property of combustion apparatus is impacted,
And jeopardize combustion apparatus safety, become the principal element for hindering biomass solid formed fuel popularization and application.
At present, middle-size and small-size biological pelleting combustor fire grate is mostly fixed, and fire grate is provided with space, and fuel is deposited in stove
Row top, combustion air feeds from fire grate bottom, is upward through fire grate, there is provided the oxygen amount required for fuel combustion.Due to biology
Matter granule ash fusion point is low, and the lime-ash of melting is easily adhered on fire grate, it is difficult to burner hearth bottom, vent aperture are fallen under fire grate gap
It is blocked, deteriorates air distribution, has had a strong impact on the safe and reliable of combustor and efficiently come continuously to run.This combustor is often needed
Manpower is wanted periodically to remove lime-ash, automaticity is not high.For big-and-middle-sized biomass combustion furnace or boiler, fire grate is often
Motion, such as conventional traveling-grate stoker, reciprocating fire grate, vibrating-grate stoker, water-cooling vibration furnace grate can be removed continuously to lime-ash.
But this fire grate is due to complex structure, expensive, is only applied on large medium-size boiler.On miniature boiler, due to receiving
The restriction of structure and cost is rarely employed.Small Combustion stove or boiler typically all use fixed grate, and reason is its structure letter
It is single, it is cheap, it is easy to use, but the determination of fixed grate is that fire grate is unable to continuous discharging slag sometimes, easily blocking, destruction safety
Effec-tive Function.
The content of the invention
It is an object of the invention to：For the defect of prior art, it is proposed that a kind of biological particles combustion furnace it is continuous
Slag-draining device, the apparatus structure is simple, reasonable in design, in biological particles combustion process, lime-ash is continuously discharged combustor,
Prevent its slagging scorification on fire grate, it is ensured that safe and efficient burning.
The technical solution adopted in the present invention is：A kind of continuous deslagging device of biological particles combustion furnace, including rotation
Fire grate and rotation disintegrating slag bar, travel(l)ing grate is made up of the casting furnace grate bar of some rotations, and every fire bars two ends are fitted with graphite
Bearing, graphite bearing is built by laying bricks or stones or is poured and is fixed on the furnace wall of burning furnace bottom, and rotation disintegrating slag bar is by installed in combustion furnace
High temperature resistant bearing on the steel plate upper and lower surfaces at bottom is fixed；Described travel(l)ing grate is driven by drive mechanism one, institute
The rotation disintegrating slag bar stated is driven by drive mechanism two.
In the present invention：Described travel(l)ing grate is made up of a number of casting furnace grate bar, every casting furnace grate bar
A chain pitch wheel one is installed in one end, and chain pitch wheel one is connected by chain one with drive mechanism one, described drive mechanism one
For reducing motor one.
In the present invention：The section of described travel(l)ing grate is square structure, in rotation process, adjacent two cast-iron stoves
The distance between row's bar can periodically become and diminish greatly；When becoming big, bulky grain lime-ash also can down fall furnace bottom, become big of hour
Grain lime-ash cannot fall furnace bottom down, by rotation disintegrating slag bar attrition crushing, diminish, until falling combustion furnace bottom.
In the present invention：The described T-shaped structure of rotation disintegrating slag bar, its horizontal component is located at the 3- above travel(l)ing grate
A chain pitch wheel two is installed in 5cm, vertical portion bottom, and chain pitch wheel two is connected by chain two with drive mechanism two, described
Two reducing motors two of drive mechanism.
In the present invention：Described rotation disintegrating slag bar is T-shaped tubular structure, and cooling water, lower end connection one are connected with sleeve pipe
Individual swivel joint, swivel joint comes with cooling water outlet and inlet, it is ensured that cooling water is flowed into and out.
In the present invention：The outside of described rotation disintegrating slag bar coats one layer of wear-resisting fire proofing material, and wear-resisting fire proofing material is not
It is only capable of reducing the abrasion of disintegrating slag bar, while there is certain insulation effect, reduces the caloric receptivity and calory burning loss of cooling water.
After above-mentioned technical proposal, beneficial effects of the present invention are：
1. present configuration is simple, reasonable in design, in biological particles combustion process, lime-ash is continuously discharged combustor, prevents
Only its slagging scorification on travel(l)ing grate, it is ensured that safe and efficient burning；
2. the present invention crosses the rotation of fire grate and the effect of rotation disintegrating slag bar, and what is produced in biological particles combustion process is tiny
Lime-ash can be directly leaked into furnace bottom, and medium sized grey solid impurity particle can also fall furnace bottom when casting furnace grate interspace increases,
The larger grey solid impurity particle of caking is broken by rotation disintegrating slag bar, becomes little grey solid impurity particle, then falls again, prevents from turning
Aggregation, slagging scorification on dynamic fire grate, affect combustion furnace safe operation.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is another schematic diagram of the present invention；
Fig. 3 is swivel joint connection diagram；
Fig. 4 is that casting furnace grate bar rotates schematic diagram.
In figure：1. travel(l)ing grate；2. disintegrating slag bar is rotated；3. casting furnace grate bar；4. chain pitch wheel one；5. chain one；6. subtract
Speed motor one；7. chain pitch wheel two；8. chain two；9. reducing motor two；10. combustion furnace；11. high temperature resistant bearings；12. rotations
Joint；13. water inlets；14. outlets.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
From Fig. 1-4, a kind of continuous deslagging device of biological particles combustion furnace, including travel(l)ing grate 1 and rotation are broken
Slag bar 2, described travel(l)ing grate 1 is by being fixed on the furnace wall of combustion furnace 10 with furnace brickwork or the graphite bearing together with pouring
Bottom；Rotation disintegrating slag bar 2 is fixed by two high temperature resistant bearings 11 on the steel plate of furnace hearth upper and lower surface of combustion furnace 10；It is described
Travel(l)ing grate 1 be driven by drive mechanism one, described rotation disintegrating slag bar 2 is driven by drive mechanism two.Institute
The travel(l)ing grate 1 stated is made up of a number of casting furnace grate bar 3, and every casting furnace grate bar 3 is independent, by graphite bearing
The furnace wall bottom of combustion furnace 10 is fixed on, a chain pitch wheel 1, chain pitch wheel 1 are installed in one end of every casting furnace grate bar 3
It is connected with drive mechanism one by chain 1, described drive mechanism one is reducing motor 1.Described travel(l)ing grate 1 cut
Face is square structure, and in rotation process, the distance between adjacent two casting furnace grate bars 3 can periodically become and diminish greatly；Become big
When, bulky grain lime-ash also can down fall the bottom of combustion furnace 10, and becoming hour bulky grain lime-ash cannot down fall the furnace bottom of combustion furnace 10, lead to
Cross by the attrition crushing of rotation disintegrating slag bar 2, diminish, until falling the furnace bottom of combustion furnace 10.The described T-shaped structure of rotation disintegrating slag bar 2,
Its horizontal component is located at the 3-5cm of the top of travel(l)ing grate 1, and a chain pitch wheel 27, chain pitch wheel 27 are installed in vertical portion bottom
It is connected with drive mechanism two by chain 28, described two reducing motors 29 of drive mechanism.Described rotation disintegrating slag bar 2 is
T-shaped sleeve type structure, is connected with cooling water in sleeve pipe, inner tube is walked in water inlet, and backwater walks passage between inner and outer pipes, the lower end connection of sleeve pipe
One two-way cooling water rotating joint 12, swivel joint 12 is provided with cooling water intake 13 and outlet 14, it is ensured that cooling
Water is flowed into and out, as shown in Figure 3.The outside of described rotation disintegrating slag bar 2 coats one layer of wear-resisting fire proofing material, wear-resisting fire proofing material
The abrasion of rotation disintegrating slag bar 2 can not only be reduced, while there is certain insulation effect, the caloric receptivity and calory burning of cooling water is reduced
Loss.
During normal operation, reducing motor 1 drives casting furnace grate bar 3 to rotate by chain pitch wheel 1.Due to travel(l)ing grate
1 cross section is square structure, and when different angles are rotated, the gap between casting furnace grate bar 3 can become and diminish greatly.So, it is less
Grey solid impurity particle can smoothly be discharged to the furnace bottom of combustion furnace 10.Such as grey solid impurity particle is excessive, it is impossible to excludes and is gathered on travel(l)ing grate 1
When, rotation disintegrating slag bar 2 can be clashed into is broken into little particle, then by the gap of travel(l)ing grate 1 is discharged to the stove of combustion furnace 10 again
Bottom.
The specific embodiment of the present invention is described above, but the present invention is not limited to above description.For this
For the technical staff in field, any equal modifications and substitutions to the technical program are all within the scope of the invention.Cause
This, the equalization made without departing from the spirit and scope of the invention is converted and changed, and all should be covered within the scope of the invention.
Claims (6)
1. a kind of continuous deslagging device of biological particles combustion furnace, it is characterised in that：Including travel(l)ing grate and rotation disintegrating slag bar,
Travel(l)ing grate is made up of the casting furnace grate bar of some rotations, and every casting furnace grate bar two ends are fitted with graphite bearing, graphite shaft
Hold to build by laying bricks or stones or pour and be fixed on the furnace wall of burning furnace bottom；Described rotation disintegrating slag bar is by the steel plate installed in combustion furnace bottom
High temperature resistant bearing on upper and lower surfaces is fixed；Described travel(l)ing grate is driven by drive mechanism one, described rotation
Disintegrating slag bar is driven by drive mechanism two.
2. the continuous deslagging device of a kind of biological particles combustion furnace according to claim 1, it is characterised in that：Described
Travel(l)ing grate is made up of a number of casting furnace grate bar, and a chain pitch wheel one, chain are installed in one end of every casting furnace grate bar
Bar gear one is connected by chain one with drive mechanism one, and described drive mechanism one is reducing motor one.
3. the continuous deslagging device of a kind of biological particles combustion furnace according to claim 2, it is characterised in that：Described
The section of travel(l)ing grate is square structure, and in rotation process, the distance between adjacent two casting furnace grate bars can periodically become
Diminish greatly；When becoming big, bulky grain lime-ash also can down fall furnace bottom, and becoming hour bulky grain lime-ash cannot down fall furnace bottom, quilt
Rotate disintegrating slag bar attrition crushing, diminish, until falling combustion furnace bottom.
4. the continuous deslagging device of a kind of biological particles combustion furnace according to claim 1, it is characterised in that：Described
The T-shaped structure of rotation disintegrating slag bar, its horizontal component is located at the 3-5cm above travel(l)ing grate, and a chain is installed in vertical portion bottom
Gear two, chain pitch wheel two is connected by chain two with drive mechanism two, described two reducing motors two of drive mechanism.
5. the continuous deslagging device of a kind of biological particles combustion furnace according to claim 4, it is characterised in that：Described
Rotation disintegrating slag bar is T-shaped sleeve type structure, and cooling water is connected with sleeve pipe, and lower end connects a swivel joint, and swivel joint is carried
There is cooling water outlet and inlet, it is ensured that cooling water is flowed into and out.
6. the continuous deslagging device of a kind of biological particles combustion furnace according to claim 5, it is characterised in that：Described
The outside of rotation disintegrating slag bar coats one layer of wear-resisting fire proofing material, and wear-resisting fire proofing material can not only reduce the abrasion of disintegrating slag bar, while
There is certain insulation effect, reduce the caloric receptivity and calory burning loss of cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028743.3A CN106678845A (en) | 2017-01-16 | 2017-01-16 | Continuous slag discharging device of biomass particle combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028743.3A CN106678845A (en) | 2017-01-16 | 2017-01-16 | Continuous slag discharging device of biomass particle combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106678845A true CN106678845A (en) | 2017-05-17 |
Family
ID=58858981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710028743.3A Pending CN106678845A (en) | 2017-01-16 | 2017-01-16 | Continuous slag discharging device of biomass particle combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106678845A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151039A (en) * | 2018-01-15 | 2018-06-12 | 佛山市绿威生物科技有限公司 | A kind of rotary recirculated water cooling fire grate |
| CN109424971A (en) * | 2017-08-29 | 2019-03-05 | 江苏国信泗阳生物质发电有限公司 | A kind of pneumatic buffer slag separator |
| CN109974011A (en) * | 2019-03-29 | 2019-07-05 | 张怡宁 | A kind of environmental protection household garbage advanced treatment device |
| CN110425557A (en) * | 2019-08-22 | 2019-11-08 | 齐齐哈尔市红嘉能源科技有限公司 | A kind of straw boiler that can remove furnace interior coking |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2266697Y (en) * | 1996-06-26 | 1997-11-05 | 董鸿聚 | Vertical boiler grate |
| US20090056694A1 (en) * | 2007-08-30 | 2009-03-05 | Suncue Company Ltd | Furnace |
| CN204665291U (en) * | 2015-06-03 | 2015-09-23 | 华北理工大学 | Novel biomass combustor fire grate coking device |
| CN105783002A (en) * | 2014-12-25 | 2016-07-20 | 天津市宝坻区坤宇玉米芯有限公司 | Boiler grate |
-
2017
- 2017-01-16 CN CN201710028743.3A patent/CN106678845A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2266697Y (en) * | 1996-06-26 | 1997-11-05 | 董鸿聚 | Vertical boiler grate |
| US20090056694A1 (en) * | 2007-08-30 | 2009-03-05 | Suncue Company Ltd | Furnace |
| CN105783002A (en) * | 2014-12-25 | 2016-07-20 | 天津市宝坻区坤宇玉米芯有限公司 | Boiler grate |
| CN204665291U (en) * | 2015-06-03 | 2015-09-23 | 华北理工大学 | Novel biomass combustor fire grate coking device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424971A (en) * | 2017-08-29 | 2019-03-05 | 江苏国信泗阳生物质发电有限公司 | A kind of pneumatic buffer slag separator |
| CN108151039A (en) * | 2018-01-15 | 2018-06-12 | 佛山市绿威生物科技有限公司 | A kind of rotary recirculated water cooling fire grate |
| CN109974011A (en) * | 2019-03-29 | 2019-07-05 | 张怡宁 | A kind of environmental protection household garbage advanced treatment device |
| CN110425557A (en) * | 2019-08-22 | 2019-11-08 | 齐齐哈尔市红嘉能源科技有限公司 | A kind of straw boiler that can remove furnace interior coking |
| CN110425557B (en) * | 2019-08-22 | 2021-03-30 | 齐齐哈尔市红嘉能源科技有限公司 | Straw boiler capable of removing coking in boiler body |
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Application publication date: 20170517 |
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