CN2348258Y - Vertical spiral discharge coal-fired machine - Google Patents
Vertical spiral discharge coal-fired machine Download PDFInfo
- Publication number
- CN2348258Y CN2348258Y CN 98227207 CN98227207U CN2348258Y CN 2348258 Y CN2348258 Y CN 2348258Y CN 98227207 CN98227207 CN 98227207 CN 98227207 U CN98227207 U CN 98227207U CN 2348258 Y CN2348258 Y CN 2348258Y
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- China
- Prior art keywords
- coal
- chamber
- air compartment
- outer ring
- pipe
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- 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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Abstract
The utility model relates to a vertical spiral underfeed coal-fired machine which is provided with a motor, a transmission device, a transverse spiral coal conveying shaft arranged in a barrel body and a vertical spiral coal conveying shaft arranged in the middle of a coal pipe, wherein the output end of the barrel body provided with a coal bucket is connected with the coal pipe; the upper part of the coal pipe of which the lower end is arranged on a machine frame is provided with a coal chamber which is provided with an inner and an outer ring-shaped wind chambers; the inner ring-shaped wind chamber provided with an air inlet is communicated with the outer ring-shaped wind chamber; the top parts of the inner and the outer wind chambers and the upper part of a baffle of the coal chamber are provided with air outlet holes; the vertical spiral coal conveying shaft is a central wind pipe of which the top is provided with an air outlet hole and is connected with the machine frame through a middle and a lower bearings and the bearing seats thereof; a driven bevel gear is arranged between the two bearings.
Description
The utility model relates to a kind of coal-burning installation that is applicable to various industrial furnaces, civilian coal kitchen range and boiler etc.
The kind of the coal-fired machinery of lower feeding that present all types of industries stove, coal kitchen range and boiler are used is more, and a kind of is horizontal screw underfeed type structure, but pushes away device for coal because of there not being vertical spiral, and it is big to push away the coal resistance; Another kind of as " lower feeding bipacking-auger burner " that CN2140475Y announced, it is made of horizontal auger and vertical auger, though solved the problem that pushes away the coal resistance, improve efficiency of combustion, but all also there is following point in these two kinds of structures: the center of 1. raising mechanism down is that the coal-hatch place does not have ventilating opening, wind can only enter the combustion chamber in the next door from lower part of frame from vertical auger, and the periphery of combustion chamber does not have compulsory air inlet, therefore can not produce three-dimensional air feed state in the combustion chamber, cause coal district a little less than the indoor central ventilation of combustion fully not burn and produce " evil mind " phenomenon of steamed bun shape with certain pressure reduction.2. because of the vertical upper and lower bearing block of auger, be contained in the top and the bottom of vertical auger respectively,, influence its service life so, be heated easily and burn out because of the vertical top of auger is in the bottom of combustion chamber.And driven gear also is equipped with in the bottom of perpendicular auger, so gear only relies on the supporting of lower bearing and bearing block in engagement process, discontinuity, and it is unreliable to make it transmission, and has reduced its structural rigidity.
The utility model purpose provides that a kind of burning is more abundant, eliminating smoke subtracts dirt, energy-conservation, and the vertical lower feeding coal burning machine of more reasonable structure.
The utility model is that the technical scheme that reaches above-mentioned purpose is: a kind of new vertical screw underfeed type coal burning machine, has motor, transmission device, be arranged on the horizontal spiral coal convey axis in the cylindrical shell and be arranged on the vertical spin coal delivery shaft of coal tube hub, its output of cylindrical shell that coal bunker is housed links to each other with a side of coal pipe, it is characterized in that: the lower end is installed in the coal pipe of frame, in its top load has, the coal chamber of outer ring air compartment, interior annular air compartment with air inlet communicates with the outer ring air compartment, the top of the top of interior annular air compartment and coal chamber dividing plate has venthole, the top of outer ring air compartment also has venthole, the vertical spin coal delivery shaft is the central air hose that the top has venthole, the vertical spin coal delivery shaft passes through intermediate bearing, bearing block and lower bearing, bearing block and frame load, intermediate bearing, passive bevel gear is housed between the lower bearing.
The utility model adopts the advantage after the technique scheme 1. to burn more abundant.Because vertical spiral coal convey axis is designed to dual-use function; can push away coal; combustion-supporting as the air channel, center again; improved the burning of coal condition; the coal chamber is the air compartment that has inside and outside annular in addition; so the coal chamber is in the three-dimensional air feed situation with certain pressure reduction; the coal of the coal seam of different-thickness and different combustion phases can be obtained reasonably, the air feed condition of science; therefore fire coal fully burns in stove; raise the machine combustion apparatus under having solved and have " evil mind " phenomenon jointly, having reached the purpose that initiatively eliminates smoke and subtract dirt, protect atmospheric environment, energy savings.2. more reasonable structure.Do not establish stress point because of the top of vertical spiral coal convey axis, avoided the high temperature damage, improved service life.Moreover in the middle of the vertical spiral coal convey axis and lower end is installed on the frame by bearing and bearing block, and during the engagement of the driven gear between it, stressedly evenly guaranteed the rigidity of reliable transmission and structure, makes the structure of coal burning machine more reasonable.
Below in conjunction with accompanying drawing enforcement of the present utility model is further described.
Fig. 1 is a structural representation of the present utility model.
New vertical screw underfeed type coal burning machine as shown in Figure 1 has motor (11), transmission device, and motor (11) is installed on the frame (12), by shaft coupling (10), chain drive and laterally spiral coal convey axis (8) load; Simultaneously by shaft coupling (10), power transmission shaft (13) and driving bevel gear (14), passive bevel gear (15) and vertical spiral coal convey axis (3) load, power transmission shaft (13) is installed on the frame (12) by forward and backward bearing and bearing block thereof, the end that the outside is welded with the horizontal spiral coal convey axis (8) of spiral plate (8-1) is connected with sprocket wheel, output is connected on the cylindrical shell (7) by bearing, bearing block, for reducing the into resistance of coal, laterally the output of spiral coal convey axis (7) is a cantilever design by the end upside that sliding bearing (5) is installed in cylindrical shell (7).Vertical spin coal delivery shaft (3) top that is arranged in the coal pipe (20) is welded with spiral plate (3-1), and be arranged on the center of coal pipe (20), its output of cylindrical shell (7) that coal bunker (9) are housed links to each other with coal tube (20), the lower end is installed in the coal tube (20) of frame (12) panel, its top is fitted with in the band, outer ring air compartment (2), (1) coal chamber (4), the bottom of interior annular air compartment (2) has the air inlet that communicates with blower fan, in, outer ring air compartment (2), (1) porose on the dividing plate, in making, outer ring air compartment (2), (1) communicates, and the top of the top of interior annular air compartment (2) and coal chamber (4) dividing plate has venthole (2-1), ash pipe (6) is equipped with in the bottom of interior annular air compartment (2), with the lime-ash in the timely eliminating air compartment.For reducing the air intake resistance, coal chamber (4) are conical, make wind can tangentially enter coal chamber (4).The top of outer ring air compartment (1) also has venthole (1-1), the top of outer ring air compartment (1) can become with the angle of horizontal plane between 0 °～30 °, therefore, the setting of outer ring air compartment (1) is not only combustion-supporting, simultaneously can reduce the phenomenon that naked light is played a reversed role, and help reducing the resistance that coal is outwards moved by the center in the combustion zone.Because of coal chamber (4) are an independent structures, not only there are the wind hole combustion-supporting, and are convenient to change.Vertical spin coal delivery shaft (3) has the central air hose of venthole for the top, and be arranged in the coal chamber (4), when constantly coal upwards being carried, it is combustion-supporting to ventilate in the centre, coal is fully burnt, the middle part of vertical spin coal delivery shaft (3) is installed on the panel of frame (12) by intermediate bearing (18) and bearing block (19), the bottom is installed on the base plate of frame (12) by lower bearing (17) and bearing block (16), the passive bevel gear (15) that is installed in vertical spin coal delivery shaft (3) bottom is arranged between the two bearings, like this vertical spin coal delivery shaft (3) by in, following two bearings (18), (17) are supported, can guarantee to hold the reliability of transmission.
As shown in Figure 1, during the utility model work, after coal is gone into coal bunker (9), motor (11) drives by sprocket transmission device and revolves spiral shell blade (8-1) on the horizontal spiral coal convey axis (8), coal is shifted onto in the coal pipe (20), motor (11) is by power transmission shaft (13) simultaneously, driving bevel gear (14), passive bevel gear (15) drives vertical spiral coal convey axis (3) and helical blade (3-1) thereof, coal is pushed to coal chamber (4) the internal upper part burning on top, one transportation work style is from interior, outer ring air compartment (2), (1) venthole (1-1), (2-1) enter top, coal chamber (4), another transportation work style enters coal chamber (4) from the top of vertically revolving spiral shell coal delivery shaft (3) simultaneously, form the stereoscopic ventilation effect, coal is fully burnt on top, coal chamber, thereby reach the elimination black smoke, subtract dirt, the effect of energy savings.
Claims (4)
1, a kind of new vertical screw underfeed type coal burning machine, have motor (11), transmission device, be arranged on the horizontal spiral coal convey axis (8) in the cylindrical shell (7) and be arranged on the vertical spin coal delivery shaft (3) at coal pipe (20) center, its output of cylindrical shell (7) that coal bunker (9) are housed links to each other with a side of coal pipe (20), it is characterized in that: the lower end is installed in the coal pipe (20) on the frame (12), its top is fitted with the coal chamber (4) with inside and outside annular air compartment (2), (1), and the interior annular air compartment (2) with air inlet communicates with outer ring air compartment (1); The top of the top of interior annular air compartment (2) and coal chamber (4) dividing plate has venthole (1-1), also has venthole (2-1) on the top of outer ring air compartment (1), vertical spin coal delivery shaft (3) has the central air hose of venthole for the top, vertical spin coal delivery shaft (3) is equipped with passive bevel gear (15) by intermediate bearing (18), bearing block (19) and lower bearing (16), bearing block (17) and frame (12) load between intermediate bearing (18), the lower bearing (17).
2, new vertical screw underfeed type combustor according to claim 1 is characterized in that: described coal chamber (4) is for conical.
3, new vertical screw underfeed type combustor according to claim 1 and 2, it is characterized in that: the top of outer ring air compartment (1) and horizontal plane angle are between 0 °～30 °.
4, new vertical screw underfeed type combustor according to claim 1 is characterized in that: laterally the output of spiral coal convey axis (8) is installed in a side of cylindrical shell (7) by sliding bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98227207 CN2348258Y (en) | 1998-06-25 | 1998-06-25 | Vertical spiral discharge coal-fired machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98227207 CN2348258Y (en) | 1998-06-25 | 1998-06-25 | Vertical spiral discharge coal-fired machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2348258Y true CN2348258Y (en) | 1999-11-10 |
Family
ID=33977564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98227207 Expired - Fee Related CN2348258Y (en) | 1998-06-25 | 1998-06-25 | Vertical spiral discharge coal-fired machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2348258Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666488B (en) * | 2009-10-23 | 2011-05-25 | 郑龙和 | Full-automatic reverse burning and fire extinguishment resistant coke-toggling burner |
| CN105402757A (en) * | 2015-12-23 | 2016-03-16 | 孙吉章 | Feed screw for biomass combustion furnace and combustion furnace |
-
1998
- 1998-06-25 CN CN 98227207 patent/CN2348258Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666488B (en) * | 2009-10-23 | 2011-05-25 | 郑龙和 | Full-automatic reverse burning and fire extinguishment resistant coke-toggling burner |
| CN105402757A (en) * | 2015-12-23 | 2016-03-16 | 孙吉章 | Feed screw for biomass combustion furnace and combustion furnace |
| CN105402757B (en) * | 2015-12-23 | 2018-03-23 | 抚州孙氏兄弟实业有限公司 | A kind of biomass combustion furnace feed auger and combustion furnace |
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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 |