CN2211003Y - Vertical screw down-feeding type combustor - Google Patents
Vertical screw down-feeding type combustor Download PDFInfo
- Publication number
- CN2211003Y CN2211003Y CN 94242631 CN94242631U CN2211003Y CN 2211003 Y CN2211003 Y CN 2211003Y CN 94242631 CN94242631 CN 94242631 CN 94242631 U CN94242631 U CN 94242631U CN 2211003 Y CN2211003 Y CN 2211003Y
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- CN
- China
- Prior art keywords
- iron pipe
- coal
- ventilation
- central
- central ventilation
- 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.)
- Expired - Fee Related
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- Solid-Fuel Combustion (AREA)
Abstract
The utility model designs a vertical screw down-feeding type combustor arranged at the central position of the lower part of the combustion chamber of a furnace using various coal as fuel. The coal pushing principle of the vertical screw of the utility model and solid ventilation are used for reaching the purposes of the counter combustion of naked fire, ultralow smoke exhaust and environment protection, composed of a belt pulley, a ventilation shaft, screw blades and a coal conveying cylinder. The utility model is characterized in that the lower part of the ventilation shaft 1 is sheathed in the belt pulley 2, the middle part is sheathed in a bearing seat 4, and the upper end is connected with a central ventilation iron pipe 7, wherein, the central ventilation iron pipe 7 is vertically arranged at the central position of the coal conveying cylinder 9. The screw blades 8 are arranged on the central ventilation iron pipe 7 in surrounding and welded with the central ventilation iron pipe 7. A ventilation mesh perforated plate 11 is arranged on the upper end of the central ventilation iron pipe 7.
Description
The utility model belongs to the combustion machine field, and specifically a kind of initiatively smoke abatement and dust control can be saved the vertical spin underfeed firing machine of coal again.
Present existing underfeed stoker has following three kinds.First kind is the drawing plate lifting lower feeding, this machine has the following disadvantages: 1, cost is higher than the utility model more than 2 times, 2, fault rate height, especially hydraulic system easily goes wrong, 3, having " evil mind " phenomenon in the coal-fired process (is that burning zone is not into horizontal line, but become steamed bun shape, can produce black smoke when therefore putting a chimney on the stove and make the fire draw.Second kind is the flat spin lower feeding, this coal combustor has the following disadvantages: 1, cost is higher than the utility model more than 1.5 times, 2, fault rate is also higher, granularity and humidity to coal are had relatively high expectations, crossing conference as coal cinder greater than 40 millimeters or humidity, to produce the defeated coal of spiral smooth, stuck or and extremely take place 3, with first kind the evil mind phenomenon is arranged equally until the phenomenon of twisting into two parts axle.The third is the inclination lower feeding, this machine cost is higher than about 0.5 times of the utility model, because this machine is little than flat spin lower feeding coal resistance, so the stuck phenomenon of twisting into two parts of helical axis is less slightly, but because these facility are equipped with the identical inadequate natural endowment of first and second kind---lower central is ventilated not good, so " evil mind " phenomenon of burning still can not be eliminated.
The purpose of this utility model then is the problem at above-mentioned existence, designed a kind of vertical spin underfeed firing machine, it is vertically set on screw underfeed type coal principle the center of coal delivery cylinder, utilize the burning that is used for promoting coal of ventilate axle and central ventilation iron pipe and ventilation web plate, and eliminated " evil mind " phenomenon, reached the smoke abatement and dust control purpose of energy saving.
The utility model technical solution:
A kind of by belt pulley, axle ventilates, helical blade, the vertical spin underfeed firing machine that coal delivery cylinder is formed, feature is that ring-like air compartment 12 is arranged on the coal delivery cylinder 9, coal delivery cylinder 9 is arranged on the base plate 5, axle 1 bottom overcoat belt pulley 2 ventilates, middle outer sleeve-bearing 4, the upper end links to each other with central ventilation iron pipe 7, bearing block 4 is installed under the base plate 5, central ventilation iron pipe 7 is vertically set on coal delivery cylinder 9 centers, helical blade 8 is provided with and welding with it around central ventilation iron pipe 7, ventilation mesh plate 11 is installed in central ventilation iron pipe 7 upper ends, and coal bunker 10 is arranged on coal delivery cylinder 9 sides and is connected with base plate 5.
Advantage of the present utility model:
The utility model is simple in structure; cost is lower; especially compare with common underfeed stoker; this combustor is to the adaptability of coal grain strong (need not screen); as long as the coarse coal of getting rid of more than 60 millimeters can adapt to; because combustor is to adopt the vertical spin lower feeding; so got rid of and pushed away the excessive difficult problem of coal process resistance; got rid of coal in course of conveying and dead phenomenon, also got rid of the phenomenon of twisting into two parts helical axis, owing to adopted the combustion-supporting design of central ventilation; also solved common " evil mind " phenomenon that exists of other lower feeding coal burning machines; therefore reached initiatively smoke abatement and dust control, protection atmospheric environment, the purpose of energy savings.Because this machine structure is comparatively reasonable, greatly reduce maintenance difficulty and fault rate simultaneously.
Fig. 1 is the utility model structural representation.
Below in conjunction with accompanying drawing the utility model is further described:
Base plate 5 links to each other with bearing block 4 in the combustor, link to each other with the axle 1 that ventilates in the iron hoop 6, link to each other with central ventilation iron pipe 7 outward, central ventilation iron pipe 7 upper ends are provided with ventilation mesh plate 11, helical blade 8 is provided with and welding around central ventilation iron pipe 7, and coal delivery cylinder 9 lower ends are connected with base plate 5, and the upper end is connected with annular air compartment 12, wherein coal delivery cylinder 9 profiles are cylindrical, and annular air compartment 12 is conical.
Its operation principle of the utility model is:
Under the effect of power, reductor drives belt pulley 2 interlocks ventilation axle 1 and central ventilation iron pipe 7, and drive helical blade 8 rotations, because holding up coal continuously, the effect of helical blade 8 rotary-cuts transports to burning zone, by air blast work air (wind) is divided into two-way again, one route ventilation axle 1 enters central ventilation iron pipe 7, enter burning zone by ventilation mesh plate 11 again, another road enters annular air compartment by the pipeline tangent line, enter the burning zone lower side by the wind hole, form the stereoscopic ventilation effect, impel coal more scientifically to burn.
The utility model can be widely used in the active smoke abatement and dust control reducing energy consumption of civilian coal kitchen range, tiger kitchen range, boiling water arcola, forge furnace, blacksmithing heating furnace, sweet boiler, enamelling kiln, core oven, annealing furnace, dome kiln, pushed bat kiln as required, also can be made into small-sized quick-action furnace, to adapt to the needs of every profession and trade.
Claims (2)
1, a kind of by belt pulley, axle ventilates, helical blade, the vertical spin underfeed firing machine that coal delivery cylinder is formed, feature is that ring-like air compartment (12) is arranged on the coal delivery cylinder (9), coal delivery cylinder (9) is arranged on the base plate (5), axle (1) bottom overcoat belt pulley (2) ventilates, middle outer sleeve-bearing (4), the upper end links to each other with central ventilation iron pipe 7, bearing block (4) is installed under the base plate (5), central ventilation iron pipe (7) is vertically set on coal delivery cylinder (9) center, helical blade (8) is provided with and welding with it around central ventilation iron pipe (7), ventilation mesh plate (11) is installed in central ventilation iron pipe (7) upper end, and coal bunker (10) is arranged on coal delivery cylinder (9) side and is connected with base plate (5).
2, vertical spin underfeed firing machine according to claim 1 is characterized in that ring-like air compartment (12) is for conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242631 CN2211003Y (en) | 1994-09-24 | 1994-09-24 | Vertical screw down-feeding type combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242631 CN2211003Y (en) | 1994-09-24 | 1994-09-24 | Vertical screw down-feeding type combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2211003Y true CN2211003Y (en) | 1995-10-25 |
Family
ID=33849185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94242631 Expired - Fee Related CN2211003Y (en) | 1994-09-24 | 1994-09-24 | Vertical screw down-feeding type combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2211003Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436944C (en) * | 2006-08-03 | 2008-11-26 | 王开生 | Smoke prevention and dust control high efficiency energy saving coal burner |
-
1994
- 1994-09-24 CN CN 94242631 patent/CN2211003Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436944C (en) * | 2006-08-03 | 2008-11-26 | 王开生 | Smoke prevention and dust control high efficiency energy saving coal burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |