CN107166371A - A kind of chain furnace of automatic stirring materials - Google Patents
A kind of chain furnace of automatic stirring materials Download PDFInfo
- Publication number
- CN107166371A CN107166371A CN201710445702.4A CN201710445702A CN107166371A CN 107166371 A CN107166371 A CN 107166371A CN 201710445702 A CN201710445702 A CN 201710445702A CN 107166371 A CN107166371 A CN 107166371A
- Authority
- CN
- China
- Prior art keywords
- rotating plate
- fire grate
- material rotating
- fuel
- temperature
- Prior art date
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
- F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
- F23B30/06—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone
- F23B30/08—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone with fuel-supporting surfaces that move through the combustion zone, e.g. with chain grates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H13/00—Grates not covered by any of groups F23H1/00-F23H11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H17/00—Details of grates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses a kind of chain furnace of automatic stirring materials, including body of heater, hopper, fire grate and sprocket wheel, it is characterised in that：Material rotating plate is provided with fire grate, material rotating plate is made by the memory metal material with double-pass memory effect, one end of material rotating plate is fixedly connected with fire grate segment, and material rotating plate is close to the surface of fire grate segment under low-temperature phase shape, and material rotating plate is tilted under high-temperature-phase shape from the surface of fire grate segment.The present invention has advantages below compared with prior art：The material rotating plate made by memory metal alloy is set on fire grate, material rotating plate deformation will be turned in lower-layer fuel when reaching deformation threshold value by temperature, increase fuel and air contact area, so that fuel combustion is rapider, more fully, so as to effectively shorten fire grate length, cost and floor space are saved, accelerate burn rate simultaneously, fuel-efficient is burnt；The memory material or various sizes of material rotating plate from different temperatures threshold value can be designed for different combustion conditions, is allowed to adapt to various working environments.
Description
Technical field
The present invention relates to combustion furnace technical field, more particularly to a kind of chain furnace of automatic stirring materials.
Background technology
Chain furnace running is that coal falls on fire grate front end out of coal bunker by deadweight, is slowly moved with fire grate, through coal lock
Door enters burner hearth.Air is introduced from fire grate lower partition plenum chamber, is intersected with the coal seam direction of motion.Coal is radiated in burner hearth
Heating, is sequentially completed preheating, drying, catches fire, burns, until after-flame.Lime-ash is then moved to rear portion with fire grate, falls by slag trap
Enter the grey slag bucket of rear portion water cooling, discharged by slag remover.
Existing boiler all has that efficiency of combustion is low, and heat exchange efficiency is low, the problems such as boiler cost is high, and main cause is imitated for burning
Rate is low, with fuel combustion process, upper strata combustible gradually after-flame.And lower floor's combustible due to by after-flame ash content barrier cause with
Air contact area is smaller, causes lower-layer fuel burn rate and after-flame degree to decline.For the chain for bringing full combustion of fuel
Furnace length increase necessarily increases boiler cost.The complexity of fuel is also limited to the adaptability of chain-grate boiler simultaneously, therefore such as
What improves the efficiency of combustion of chain-grate boiler and to be solved to the adaptability letter of fuel.
Marmem (Shape Memory Alloys), abbreviation SMA is that one kind can disappear completely after heat temperature raising
Except the deformation that it occurs at a lower temperature, recover the alloy material of original-shape before its deformation, that is, possess " memory " effect
Alloy.Marmem is widely used in Aero-Space, mechano-electronic, life due to many excellent performances
The multiple fields such as thing medical treatment, bridge construction, auto industry and daily life, but have not yet to see in boiler combustion device field
Application.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of chain furnace of automatic stirring materials.
The present invention is achieved by the following technical solutions：A kind of chain furnace of automatic stirring materials, including body of heater, hopper, stove
Row and sprocket wheel, it is characterised in that：Material rotating plate is provided with fire grate, material rotating plate is by the memory metal material with double-pass memory effect
Make, one end of material rotating plate is fixedly connected with fire grate segment, and material rotating plate is close to the surface of fire grate segment, material rotating plate under low-temperature phase shape
Tilted under high-temperature-phase shape from the surface of fire grate segment.
As further improvement of these options, material rotating plate is made by Ti-Ni-Pd memorial alloys.
As further improvement of these options, Ti-Ni-Pd memorial alloys are Ti13Ni37Pd memorial alloys.
As further improvement of these options, the angle after material rotating plate is tilted under high-temperature-phase shape between fire grate is
60°。
As further improvement of these options, material rotating plate is fixed towards one end of the fire grate direction of motion and fire grate segment to be connected
Connect.
As further improvement of these options, air vent is additionally provided with material rotating plate, air vent is on material rotating plate
In cellular distribution.
As further improvement of these options, material rotating plate is covered in above whole fire grate.
The present invention has advantages below compared with prior art：The material rotating plate made by memory metal alloy is set on fire grate,
Material rotating plate deformation will be turned in lower-layer fuel when reaching deformation threshold value by temperature, increase fuel and air contact area so that combustion
Material burning is rapider, more fully, so as to effectively shorten fire grate length, saves cost and floor space, while accelerating combustion
Speed is burnt, fuel-efficient is burnt；The material rotating plate tilted simultaneously also acts as effective wind-guiding effect, and heat of high temperature is sent into fire grate
Upstream, promotes fuel dryer and Qi Ran；In addition, the memory material from different temperatures threshold value can be designed for different combustion conditions
Or various sizes of material rotating plate, it is allowed to adapt to various working environments.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
A kind of chain furnace of automatic stirring materials, including body of heater 1, hopper 2, fire grate 3 and sprocket wheel 5, it is characterised in that：On fire grate 3
Material rotating plate 4 is provided with, material rotating plate 4 is made by the memory metal material with double-pass memory effect, one end of material rotating plate 4 and fire grate
Piece is fixedly connected, and material rotating plate 4 is close to the surface of fire grate segment under low-temperature phase shape, and material rotating plate 4 is under high-temperature-phase shape from fire grate
The surface of piece is tilted.In present chain furnace design, in order to ensure furnace temperature, it is necessary to ensure the combustion sent into the unit interval in burner hearth
Doses, due to being limited by the size of body of heater 1, fire grate 3 can not design long, thus cause the thickness of fuel on fire grate 3 larger,
It can not be burnt down entirely in limited time internal combustion, cause the problems such as the waste and environmental protection of fuel.Set on fire grate 3 by double
The material rotating plate 4 that the memory metal material of journey memory effect makes, so when fuel combustion reaches a high temperature transformation temperature, material rotating plate
4 can be deformed into high-temperature-phase shape, and its one end, which can be tilted, stirs the fuel on fire grate 3, the fuel inside fuel bed is had
Sufficiently with the chance of air contact, make fuel combustion fully, while improving furnace temperature, promote fuel to burn completely, it is to avoid one
The discharge of the pernicious gases such as carbonoxide；When fire grate segment moves to 3 lower section of fire grate, in wind cooling temperature lowering to low temperature transition temperature,
Material rotating plate 4 recovers low-temperature phase shape again, is close to fire grate segment surface, waits elevated temperature deformation again.
Material rotating plate 4 is made by Ti-Ni-Pd memorial alloys.Ti-Ni-Pd memorial alloys are Ti13Ni37Pd memorial alloys.Should
The high-temperature region deformation temperature of material recovers high-temperature-phase shape, can recover low temperature during cooling again in 603-653K when being a kind of heating
Phase shape, the metal material with double-pass memory effect.When material rotating plate 4 reaches the high-temperature region deformation temperature region of the material,
Exactly its top top layer fuel combustion is vigorous, when middle lower-layer fuel starts to open combustion, the now deformation of material rotating plate 4 stirring, energy
Enough accelerate fuel combustion, make its quick after-flame, improve effective utilization ratio of fire grate 3.
Angle after material rotating plate 4 is tilted under high-temperature-phase shape between fire grate 3 is 60 °.60 degree of tilting angle can be by
Fuel is fully overturn, and top layer layer high-temperature fuel is overturn to bottom, bottom unburned fuel is overturn to top layer, baking is formed
Gesture, makes the quick after-flame of fuel.
Material rotating plate 4 is fixedly connected towards one end of the direction of motion of fire grate 3 with fire grate segment.So after material rotating plate 4 is tilted, open
Mouth direction is towards the upstream of fire grate 3, that is, the direction fed, can be by the heat in the downstream of fire grate 3 by the air of the lower section of fire grate 3 feeding
Upstream is blowed to, accelerates the length dried and opened combustion, be effectively increased burning zone on fire grate 3 of upstream fuel；In addition when fire grate segment fortune
When moving the end of fire grate 3, the material rotating plate 4 of tilting, which can catch fuel, delays it to fall, just as in the length for extending fire grate 3
Degree, residence time of the increase fuel on fire grate 3, promotes it to burn completely.
Air vent is additionally provided with material rotating plate 4, air vent is in cellular distribution on material rotating plate 4.Air vent can
Air is entered by the bottom of material rotating plate 4, fuel can be helped to overturn after the tilting of material rotating plate 4, so not need material rotating plate 4 to stick up
Can just fuel be overturn by playing too big angle, and the requirement to the deflection of memory material is reduced, the type selecting scope of expansion material.
Cellular air vent has great permeability, while the sensitivity to heat is high, and ensure that good deformation is extensive
Reactivation power, can keep the lasting deformability of material rotating plate 4, increase the service life.
Material rotating plate 4 is covered in the whole top of fire grate 3.To realize good stirring effect, the whole top of fire grate 3 covering is turned over
The fuel for being designed to guarantee everywhere of flitch 4 can all be provoked after certain temperature is burned to, increase and air contact
Area, so as to realize clean-burning purpose.
Each piece of material rotating plate 4 covers 3~10 pieces of fire grate segments.In order to keep the transmission between sprocket wheel 5 smooth, usual stove
It is narrower that the width of screening is all designed；Narrow material rotating plate 4 does not have an effect of effective stirring and wind-guiding, and the mistake of material rotating plate 4
Width, the fire load above it is bigger, and material rotating plate 4 is designed as to the size of 3~10 pieces of fire grate segments of covering after considering.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Any modifications, equivalent substitutions and improvements made within principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of chain furnace of automatic stirring materials, including body of heater, hopper, fire grate and sprocket wheel, it is characterised in that：Set on the fire grate
There is material rotating plate, the material rotating plate is made by the memory metal material with double-pass memory effect, one end of material rotating plate and fire grate segment
Be fixedly connected, the material rotating plate is close to the surface of fire grate segment under low-temperature phase shape, the material rotating plate under high-temperature-phase shape from
The surface of fire grate segment is tilted.
2. a kind of chain furnace of automatic stirring materials as claimed in claim 1, it is characterised in that：The material rotating plate is remembered by Ti-Ni-Pd
Alloy makes.
3. a kind of chain furnace of automatic stirring materials as claimed in claim 2, it is characterised in that：The Ti-Ni-Pd memorial alloys are
Ti13Ni37Pd memorial alloys.
4. a kind of chain furnace of automatic stirring materials as claimed in claim 3, it is characterised in that：The material rotating plate sticks up under high-temperature-phase shape
Angle after rising between fire grate is 60 °.
5. a kind of chain furnace of automatic stirring materials as claimed in claim 1, it is characterised in that：The material rotating plate is towards fire grate motion side
To one end be fixedly connected with fire grate segment.
6. a kind of chain furnace of automatic stirring materials as claimed in claim 5, it is characterised in that：It is additionally provided with the material rotating plate logical
Air holes, the air vent is in cellular distribution on material rotating plate.
7. a kind of chain furnace of automatic stirring materials as claimed in claim 5, it is characterised in that：The material rotating plate is covered in whole fire grate
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710445702.4A CN107166371B (en) | 2017-06-14 | 2017-06-14 | A kind of chain furnace of automatic stirring materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710445702.4A CN107166371B (en) | 2017-06-14 | 2017-06-14 | A kind of chain furnace of automatic stirring materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107166371A true CN107166371A (en) | 2017-09-15 |
| CN107166371B CN107166371B (en) | 2018-12-07 |
Family
ID=59826027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710445702.4A Active CN107166371B (en) | 2017-06-14 | 2017-06-14 | A kind of chain furnace of automatic stirring materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107166371B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736716A (en) * | 2022-04-21 | 2022-07-12 | 赣州市怡辰宏焰能源科技有限公司 | Chain gasification furnace |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191121358A (en) * | 1910-09-29 | 1911-12-14 | Johann Rademacher | Improvements in Chain-grates. |
| CN2040994U (en) * | 1988-08-24 | 1989-07-12 | 中国非金属工业总公司长春石棉制品厂 | Coal-turning plate device for boiler |
| CN1034257A (en) * | 1988-12-20 | 1989-07-26 | 杨红斌 | Chain-frame type furnace grate with square piston for wide variety of coal |
| CN2175876Y (en) * | 1993-09-28 | 1994-08-31 | 珠海经济特区神力节能工业公司 | Fan shape turn-over fire grate |
| CN2230872Y (en) * | 1995-09-27 | 1996-07-10 | 柴鹤龄 | Hedgehog type chain fire grate |
| CN2283797Y (en) * | 1996-05-28 | 1998-06-10 | 邓兆忠 | Multi-panel turnover fire grate |
| CN2453238Y (en) * | 2000-12-06 | 2001-10-10 | 杨汉平 | Combustion-promoting burner for boiler |
| CN2793565Y (en) * | 2005-05-18 | 2006-07-05 | 马成果 | Strip trunover coal furnace grate without leakage |
-
2017
- 2017-06-14 CN CN201710445702.4A patent/CN107166371B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191121358A (en) * | 1910-09-29 | 1911-12-14 | Johann Rademacher | Improvements in Chain-grates. |
| CN2040994U (en) * | 1988-08-24 | 1989-07-12 | 中国非金属工业总公司长春石棉制品厂 | Coal-turning plate device for boiler |
| CN1034257A (en) * | 1988-12-20 | 1989-07-26 | 杨红斌 | Chain-frame type furnace grate with square piston for wide variety of coal |
| CN2175876Y (en) * | 1993-09-28 | 1994-08-31 | 珠海经济特区神力节能工业公司 | Fan shape turn-over fire grate |
| CN2230872Y (en) * | 1995-09-27 | 1996-07-10 | 柴鹤龄 | Hedgehog type chain fire grate |
| CN2283797Y (en) * | 1996-05-28 | 1998-06-10 | 邓兆忠 | Multi-panel turnover fire grate |
| CN2453238Y (en) * | 2000-12-06 | 2001-10-10 | 杨汉平 | Combustion-promoting burner for boiler |
| CN2793565Y (en) * | 2005-05-18 | 2006-07-05 | 马成果 | Strip trunover coal furnace grate without leakage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736716A (en) * | 2022-04-21 | 2022-07-12 | 赣州市怡辰宏焰能源科技有限公司 | Chain gasification furnace |
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| Publication number | Publication date |
|---|---|
| CN107166371B (en) | 2018-12-07 |
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