CN205664409U - Biomass combustion furnace air -out device - Google Patents
Biomass combustion furnace air -out device Download PDFInfo
- Publication number
- CN205664409U CN205664409U CN201620550276.1U CN201620550276U CN205664409U CN 205664409 U CN205664409 U CN 205664409U CN 201620550276 U CN201620550276 U CN 201620550276U CN 205664409 U CN205664409 U CN 205664409U
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- cap
- air
- lower cover
- upper cap
- cover cap
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Abstract
The utility model discloses a biomass combustion furnace air -out device, include straight tuber pipe, block a shot and upward block a shot down, its characterized in that, the block is installed down to straight tuber pipe upper end mouth of pipe periphery, and the block is installed to the block top down, and the up end of going up the block is the conical surface or spherical surface structure, goes up the block and is air outlet or air -out passageway down between the block, straight tuber pipe and air outlet or air -out passageway intercommunication. The utility model discloses it is all more even to distribute at the furnace inner wind, the effective control circumstances of local high temperature take place. The umbrella -type lateral surface of going up the block is favorable to the fuel downstream, prevents that fuel from stopping at the last upper surface of blocking a shot, makes the fuel make -up even. Go up the block through last block dead lever and straight tuber pipe hole swing joint, lean on its self gravity to fix a position, safeguard that air outlet current prescription civilian dress unloads.
Description
Technical field
This utility model belongs to the combustion furnace of solid fuel, particularly relates to the exhaust apparatus of a kind of biomass combustion furnace.
Background technology
Existing biomass combustion furnace burner hearth air outlet all in circular hole air-out mode to burner hearth air blast, cause oxidant (empty
Gas) concentrate on the local location of fuel, increase fuel probability of slagging scorification in burner hearth, have a strong impact on the work of combustion furnace
Performance.Therefore, prior art also needs the most perfect.
Utility model content
For above-mentioned the deficiencies in the prior art, this utility model purpose is that the air-out providing a kind of biomass combustion furnace fills
Put.
The technical solution adopted in the utility model is:
A kind of biomass combustion furnace exhaust apparatus, including straight airduct, lower cover cap and upper cap, the described straight airduct upper end mouth of pipe
Periphery is provided with lower cover cap, and lower cover cap is arranged above upper cap, and the upper surface of upper cap is the conical surface or spherical structure, upper cap
And being air outlet or air-out passage between lower cover cap, straight airduct connects with air outlet or air-out passage.
Further, fixing bar with upper cap and be connected below upper cap centre, some upper cap positioning bars are solid along upper cap
Fixed pole axis direction is evenly distributed on upper cap and fixes outside bar on the face of cylinder, outside the grooved of some upper cap positioning bar compositions
Cylinder is flexibly connected and is formed several grooved ventilating ducts with straight airduct inner hole wall, straight airduct by several grooved ventilating ducts with
Air outlet or air-out passage connection.
Further, the grooved outside cylinder of some upper cap positioning bar compositions is concentric with straight airduct endoporus to be flexibly connected, right
Upper cap activity orientation concentric with straight airduct.
Further, lower cover cap is provided with several bracers or support bar, several bracers or the lid of support bar composition
The structure of cap contact surface is corresponding with the structure of upper cap contact surface, upper cap under the support of bracer or support bar with lower cover cap
Form several straight airduct air outlet or air-out passages.
Further, the height of upper cap and outer the most diametrically more than the height of lower cover cap and outer the most diametrically.
Further, upper cap is provided with inner face structure or bottom surface structure, and the inner face structure of upper cap is taper or round platform
Shape, upper cap bottom surface structure is plane, and the upper end surface structure of lower cover cap is corresponding with the lower surface of upper cap or bottom surface structure.
Further, upper cap is beveled structure, and the inner face structure of upper cap is taper or truncated cone-shaped, the upper end of lower cover cap
Face is truncated cone-shaped structure, and the upper end surface structure of lower cover cap is corresponding with the inner face structure of upper cap；Lower cover cap upper surface is circumferentially
Direction is uniformly provided with several lower cover cap convexes, the contact surface of several lower cover cap convexes formation and the inner face pair of upper cap
Should, the air-out direction that upper cap forms air outlet or air-out passage with lower cover cap under the support of lower cover cap convex is taper air-out
Direction.
Further, upper cap is cone or spherical surface body structure, and upper cap bottom surface structure is plane, and lower cover cap is flat board knot
Structure, the upper end surface structure of lower cover cap is corresponding with the bottom surface structure of upper cap；If lower cover cap upper surface is along the circumferential direction uniformly provided with
Dry lower cover cap convex, the contact surface that several lower cover cap convexes are formed is corresponding with the bottom surface of upper cap, and upper cap is at lower cover cap
The lower air-out direction forming air outlet or air-out passage with lower cover cap that supports of convex is annular air direction.
Further, on the straight airduct annular passage outside of vertical distribution ringwise, two kinds of adjacent installations high, short；Curved airduct with
Annular air channel connects；Annular passage divides airduct to be connected with outer ring air channel and annular air channel simultaneously；Burning wind band is arranged on
The lower outside of lower furnace portion, divides airduct to be connected with burning wind band valve and annular passage respectively.
Further, outer ring air channel and annular air channel are in and feed pipe concentric position, are positioned at above ash discharge gear, enter
The lower end of material pipe is charging aperture；Feed pipe is radially having lower air duct air-out relative on the position same level circumference of lower air duct
Hole；The outer panel upper end of lower air duct is connected with the base plate of lower furnace portion, the lower end of lower air duct and the lower end Flange joint of feed pipe.
This utility model beneficial effect is obvious:
Straight airduct by straight airduct air outlet to burner hearth fuel air blast, owing in straight airduct, draught area is much smaller than air-out
Mouth or the draught area of air-out passage, so the wind speed arriving burner hearth is much smaller than wind speed in straight airduct, in the feelings of the fixing blow rate required
Under condition, in the unit interval, the blow rate required of unit volume fuel reduces (compared with circular hole air-out airduct), and straight airduct upper end is installed
Having lower cover cap, lower cover cap to be arranged above upper cap, the most effective taper air-out direction or use annular air direction, wind is in burner hearth
The most evenly, the situation effectively controlling localized hyperthermia occurs in distribution.
Lower cover cap is arranged above the upper cap of umbrella shape upper surface, and the dust produced in combustion process is due to dynamic by charging
Power and the effect of self gravitation, towards burner hearth bottom landing outside umbrella shape, prevent dust from resting on upper cap outer surface；Combustion
Due to the consumption of fuel during burning, need constantly to supplement fuel from upper furnace to lower furnace portion, outside the umbrella shape of upper cap
Face beneficially fuel moves downward, and prevents fuel from resting on upper cap upper surface, makes fuel supplement uniform.
Being umbrella shape according to the Air-blowing plan of taper air-out direction, upper cap and lower cover cap lateral surface, formation dips down
Oblique air outlet, adds dust and enters the resistance of air outlet.Straight airduct and group thereof is caused time during ash discharge due to shaker vibration
The resonance of part, the dust on upper cap and lower cover cap surface along outside umbrella shape towards burner hearth bottom landing, prevent dust and tar
Cohere on upper cap and lower cover cap surface, to keep blower chamber clean and tidy.
Upper cap is fixed bar by upper cap and is flexibly connected with straight airduct endoporus, by himself gravitational orientation, safeguards air-out
Convenient handling during mouth.
Accompanying drawing explanation
Fig. 1 is the exhaust apparatus structural representation of this utility model embodiment 1.
Fig. 2 is the upper cap structural representation of this utility model embodiment 1.
Fig. 3 is the upper cap plan structure schematic diagram of this utility model embodiment 1.
Fig. 4 is the lower cover cap structural representation of this utility model embodiment 1.
Fig. 5 is the lower cover cap plan structure schematic diagram of this utility model embodiment 1.
Fig. 6 is the exhaust apparatus structural representation of this utility model embodiment 1.
Fig. 7 is the upper cap structural representation of this utility model embodiment 1.
Fig. 8 is the upper cap plan structure schematic diagram of this utility model embodiment 1.
Fig. 9 is the lower cover cap structural representation of the embodiment of the present invention 1.
Figure 10 is the lower cover cap plan structure schematic diagram of this utility model embodiment 1.
Figure 11 is this utility model embodiment 1 taper air-out direction schematic diagram.
Figure 12 is this utility model embodiment 2 annular air direction schematic diagram.
Figure 13 is this utility model discharge pipe mounting structure schematic diagram.
Figure 14 is this utility model combustion furnace structure schematic diagram.
In figure: taper air-out direction 1, annular air direction 2, lower furnace portion 3, ash discharge motor 4, ash discharge gear 5, scrape hawk
6, lower air duct 7, lower air duct exhaust vent 8, feed pipe 9, ash releasing tube 10, ash discharge valve 11, lower air duct blast pipe 12, lower air duct valve
13, burn wind band 14, and burn wind band valve 15, and annular passage divides airduct 16, vibrator 17, vibrosieve 18, straight airduct 19, straight wind
Pipe air outlet 20, outer ring air channel 21, annular air channel 22, curved airduct exhaust vent 23, curved airduct 24, vibrosieve mesh 25, on
Bar 26, lower cover cap 27,31, lower cover cap convex 28,33, upper cap 29,32, upper cap positioning bar 30 are fixed in block.
Detailed description of the invention
This utility model can be embodied as by the technical scheme in utility model content, can by the following examples
So that this utility model is further described, but, scope of the present utility model is not limited to following embodiment.
Embodiment 1:
Straight airduct 19 upper end is provided with lower cover cap 27, and lower cover cap 27 is arranged above upper cap 29, and upper cap 29 is by upper
Block is fixed bar 26 and is flexibly connected with straight airduct 19 endoporus, and some upper cap positioning bars 30 fix bar 26 axis side towards upper cap
Fixing outside bar 26 on disc to being evenly distributed on upper cap, the grooved outside cylinder of some upper cap positioning bar 30 compositions is with straight
Airduct 19 endoporus is flexibly connected with one heart, and making upper cap 29 is beveled structure with the straight concentric activity orientation of airduct 19, upper cap 29, on
The inner face structure of block 29 is taper or truncated cone-shaped, and the upper surface of lower cover cap 27 is truncated cone-shaped structure, inner with upper cap 29
Face is corresponding.
The tapering that several lower cover cap convexes 28 are formed is corresponding with upper cap 29 inner face tapering, and lower cover cap convex 28 is with upper
Block 29 contact surface connects, and upper cap 29 forms several straight airduct air-out under the support of lower cover cap convex 28 with lower cover cap 27
Mouth 20, air-out direction now is taper air-out direction 1.
On straight airduct 19 vertical distribution ringwise annular passage 21 outside, two kinds of adjacent installations high, short.
The lower end of feed pipe 9 is charging aperture, and fix concentric with the base plate of lower furnace portion 3 of upper end is connected and stretches in burner hearth
Portion, feed pipe 9 is radially having lower air duct exhaust vent 8 relative on the position same level circumference of lower air duct 7；Lower air duct 7
Outer panel upper end is connected with the base plate of lower furnace portion 3, the lower end of lower air duct 7 and the lower end Flange joint of feed pipe 9；Lower air duct enters
Airduct 12 one end is connected with lower air duct valve 13, and the other end is connected with lower air duct 7；The upper end of ash releasing tube 10 and lower furnace portion 3
Base plate ash discharging hole connects, and lower end is connected with ash discharge valve 11；Ash discharge motor 4 is in transmission connection with ash discharge gear 5；Scraping hawk 6 is row
Spoke on ash gear 5；Ash discharge gear 5 is rotationally connected outside feed pipe 9, its lower surface and the contacts baseplate of lower furnace portion 3
Connect；Burning wind band 14 is arranged on the lower outside of lower furnace portion 3, divides airduct with burning wind band valve 15 and annular passage respectively
16 connect；Vibrator 17 is fixing with vibrosieve 18 to be connected, and with seal form through lower furnace portion 3, vibrosieve 18 is uniformly opened
There is vibrosieve mesh 25；Straight airduct 19 is connected with outer ring air channel 21；Curved airduct 24 is connected with annular air channel 22；Annular passage
Divide airduct 16 to be connected with outer ring air channel 21 and annular air channel 22 simultaneously；Outer ring air channel 21 and annular air channel 22 be in
Feed pipe 9 concentric position, is positioned at above ash discharge gear 5.
Operation principle:
When starting combustion furnace power supply, burner hearth is fed by automatic feeding mechanism by feed pipe 9, when material position reaches to set material position
During position, automatic feeding mechanism stops charging.Now, ash discharge valve 11 is closed.Open lower air duct valve 13, burning wind band valve
15.Starting ignition, combustion furnace initially enters duty, meanwhile, is said by lower air duct valve 13, lower air duct 7, leeward
Air holes 8 is to burner hearth air blast；By burning wind band valve 15, burning wind band 14, annular passage divide airduct 16, outer ring air channel 21,
Annular air channel 22, straight airduct 19, curved airduct 24, curved airduct exhaust vent 23, straight airduct air outlet 20 to burner hearth air blast, due to
Straight airduct air outlet 20 is annular air hole, so air blast ratio is more uniform；By igniting and the air blast of air channel, top, for crater
Imflammable gas combustion-supporting.
The airflow direction of straight airduct 19 is as shown in figure 11.In combustion process, owing to upper cap 29 lateral surface is taper surface, combustion
Material produced ash foam is easy to from the downward landing of taper surface (when including closing fire after vibration ash discharge, effect is too).When closing fire,
Close power supply and all valves, cover fire-closed plate.During ash discharge, Vibration on Start-up device 17, ash discharge motor 4, open ash discharge valve 11.Row
Ash closes ash discharge valve 11, vibrator 17 and ash discharge motor 4 after terminating.
Embodiment 2:
Straight airduct 19 upper end is provided with lower cover cap 31, and lower cover cap 31 is arranged above upper cap 32, and upper cap 32 is by upper
Block is fixed bar 26 and is flexibly connected with straight airduct 19 endoporus, and some upper cap positioning bars 30 fix bar 26 axis side towards upper cap
Fixing outside bar 26 on disc to being evenly distributed on upper cap, the grooved outside cylinder of some upper cap positioning bar 30 compositions is with straight
Airduct 19 endoporus is flexibly connected with one heart, and making upper cap 32 is umbrella with the straight concentric activity orientation of airduct 19, the upper surface of upper cap 32
Shape structure, i.e. cone or truncated cone-shaped structure, the bottom surface of upper cap 32 is planar structure, and the upper surface of lower cover cap 31 is flat board knot
Structure is corresponding with the bottom side of upper cap 32.
The plane that several lower cover cap convexes 33 are formed is corresponding with the bottom of upper cap 32, lower cover cap convex 33 and upper cap
The bottom surface contact of 32 connects, and upper cap 32 forms several straight airduct air-out under the support of lower cover cap convex 33 with lower cover cap 31
Mouth 20, air-out direction now is annular air direction 2, as shown in figure 12.
Claims (10)
1. a biomass combustion furnace exhaust apparatus, including straight airduct (19), lower cover cap (27) and upper cap (29), its feature exists
In,
Described straight airduct (19) upper end mouth of pipe periphery is provided with lower cover cap (27), and lower cover cap (27) is arranged above upper cap
(29), the upper surface of upper cap (29) is the conical surface or spherical structure, between upper cap (29) and lower cover cap (27) be air outlet or
Air-out passage, straight airduct (19) connects with air outlet or air-out passage.
A kind of biomass combustion furnace exhaust apparatus the most according to claim 1, it is characterised in that
Fixing bar (26) below upper cap (29) centre to be connected with upper cap, some upper cap positioning bars (30) are solid along upper cap
Fixed pole (26) axis direction is evenly distributed on upper cap and fixes on the face of cylinder, bar (26) outside, some upper cap positioning bars (30)
The grooved outside cylinder of composition is flexibly connected with straight airduct (19) inner hole wall and is formed several grooved ventilating ducts, and straight airduct (19) leads to
Cross several grooved ventilating ducts to connect with air outlet or air-out passage.
A kind of biomass combustion furnace exhaust apparatus the most according to claim 2, it is characterised in that
Grooved outside cylinder that some upper cap positioning bars (30) form is concentric with straight airduct (19) endoporus to be flexibly connected, to upper cover
Cap (29) and straight airduct (19) concentric activity orientation.
A kind of biomass combustion furnace exhaust apparatus the most according to claim 1, it is characterised in that
Lower cover cap (27) is provided with several bracers or support bar, several bracers or the block contact surface of support bar composition
Structure corresponding with the structure of upper cap (29) contact surface, upper cap (29) under the support of bracer or support bar with lower cover cap
(27) several straight airduct air outlet (20) or air-out passages are formed.
A kind of biomass combustion furnace exhaust apparatus the most according to claim 1, it is characterised in that
The height of upper cap (29) and outer the most diametrically more than the height of lower cover cap (27) and outer the most diametrically.
A kind of biomass combustion furnace exhaust apparatus the most according to claim 1, it is characterised in that
Upper cap (29) is provided with inner face structure or bottom surface structure, and the inner face structure of upper cap (29) is taper or truncated cone-shaped,
Upper cap (29) bottom surface structure is plane, and the upper end surface structure of lower cover cap is corresponding with the lower surface of upper cap or bottom surface structure.
A kind of biomass combustion furnace exhaust apparatus the most according to claim 1, it is characterised in that
Upper cap (29) is beveled structure, and the inner face structure of upper cap (29) is taper or truncated cone-shaped, lower cover cap (27) upper
End face is truncated cone-shaped structure, and the upper end surface structure of lower cover cap (27) is corresponding with the inner face structure of upper cap (29)；Lower cover cap
(27) upper surface is along the circumferential direction uniformly provided with several lower cover cap convexes (28), and what several lower cover cap convexes (28) were formed connects
Contacting surface is corresponding with the inner face of upper cap (29), upper cap (29) under the support of lower cover cap convex (28) with lower cover cap (27) shape
The air-out direction becoming air outlet or air-out passage is taper air-out direction (1).
A kind of biomass combustion furnace exhaust apparatus the most according to claim 1, it is characterised in that
Upper cap (29) is cone or spherical surface body structure, and upper cap (29) bottom surface structure is plane, and lower cover cap is slab construction, under
The upper end surface structure of block is corresponding with the bottom surface structure of upper cap；Lower cover cap upper surface is along the circumferential direction uniformly provided with under several
Block convex, the contact surface that several lower cover cap convexes are formed is corresponding with the bottom surface of upper cap, and upper cap is at lower cover cap convex
Supporting the lower air-out direction forming air outlet or air-out passage with lower cover cap is annular air direction (2).
A kind of biomass combustion furnace exhaust apparatus the most according to claim 1, it is characterised in that
In straight airduct (19) vertical distribution ringwise annular passage outside (21), two kinds of adjacent installations high, short；Curved airduct (24) with
Annular air channel (22) connects；Annular passage divides airduct (16) even with outer ring air channel (21) and annular air channel (22) simultaneously
Connect；Burning wind band (14) is arranged on the lower outside of lower furnace portion (3), divides with burning wind band valve (15) and annular passage respectively
Airduct (16) connects.
A kind of biomass combustion furnace exhaust apparatus the most according to claim 9, it is characterised in that
Outer ring air channel (21) and annular air channel (22) are in and feed pipe (9) concentric position, are positioned on ash discharge gear (5)
Side, the lower end of feed pipe (9) is charging aperture；Feed pipe (9) is relative to radial direction on the position same level circumference of lower air duct (7)
Have lower air duct exhaust vent (8)；The outer panel upper end of lower air duct (7) is connected with the base plate of lower furnace portion (3), lower air duct (7)
Lower end and the lower end Flange joint of feed pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620550276.1U CN205664409U (en) | 2016-06-08 | 2016-06-08 | Biomass combustion furnace air -out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620550276.1U CN205664409U (en) | 2016-06-08 | 2016-06-08 | Biomass combustion furnace air -out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205664409U true CN205664409U (en) | 2016-10-26 |
Family
ID=57155780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620550276.1U Withdrawn - After Issue CN205664409U (en) | 2016-06-08 | 2016-06-08 | Biomass combustion furnace air -out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205664409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841182A (en) * | 2016-06-08 | 2016-08-10 | 孙吉章 | Air outlet device of biomass combustion furnace |
-
2016
- 2016-06-08 CN CN201620550276.1U patent/CN205664409U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841182A (en) * | 2016-06-08 | 2016-08-10 | 孙吉章 | Air outlet device of biomass combustion furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161026 Effective date of abandoning: 20171027 |