CN201952406U - Big-gear-ring inner-transmission furnace bottom assembly - Google Patents
Big-gear-ring inner-transmission furnace bottom assembly Download PDFInfo
- Publication number
- CN201952406U CN201952406U CN2011200128948U CN201120012894U CN201952406U CN 201952406 U CN201952406 U CN 201952406U CN 2011200128948 U CN2011200128948 U CN 2011200128948U CN 201120012894 U CN201120012894 U CN 201120012894U CN 201952406 U CN201952406 U CN 201952406U
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- furnace bottom
- ash
- pan
- slideway
- bottom shell
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Abstract
The utility model discloses a big-gear-ring inner-transmission furnace bottom assembly comprising a furnace bottom shell and an ash tray, wherein a chute is arranged between the furnace bottom shell and the ash tray; the chute is internally provided with a ball which is used for supporting the ash tray to rotate with respect to the furnace bottom shell; and the outer side of the chute is provided with a big gear ring fixed on the ash tray. The big-gear-ring inner-transmission furnace bottom assembly is characterized in that a chute cooling device for lowering the temperature inside the chute. The big-gear-ring inner-transmission furnace bottom assembly is reasonable in design and simple in structure and can be improved on the base of the existing furnace bottom assembly of a coal gas generating furnace, the chute and the ball in the chute work in a proper temperature range, the work of the detachment and the repair of the furnace bottom assembly after shut down is effectively avoided, the normal and continuous production work is ensured and the production efficiency is improved fully.
Description
Technical field
The utility model relates to a kind of producer gas generator, transmission furnace bottom assembly in particularly a kind of bull gear.
Background technology
Coal Chemical Industry industry or the employed producer gas generator of chemical fertilizers production supply coal gas, utilize coal burning and vapor generation to react and prepare coal gas, producer gas generator is made of furnace bottom assembly, water jacket, fire grate, body of heater, top cover, air outlet, lime-ash case and transmission rig etc.Coal burns on fire grate, and fire grate is fixed on the ash-pan upper end.As shown in Figure 1, present furnace bottom assembly is made of parts such as ash-pan 1, ball 3, bull gear 4, furnace bottom shell 5, slideways.Slideway is made of glide path 6 and sliding ways 2, sliding ways 2 is fixed on the ash-pan 1, glide path 6 is fixed on the furnace bottom shell 5, glide path 6 and the furnace bottom shell corresponding slideway oil-way 19 that is provided with about in the of 5, ball 3 is arranged between sliding ways 2 and the glide path 6 corresponding grooves, bull gear 4 is fixed on the following of ash-pan 1 and is positioned at the slideway outside, and put in the groove 7 of furnace bottom shell 5 and with the pinion(gear) (not shown) engaged transmission of the worm reduction gear that is fixed on furnace bottom shell 5 one sides.During work, the pinion(gear) of worm gear reducer machine mechanism drives bull gear 4, under the rolling of ball 3, makes ash-pan 1 rotation.The long-time rolling of ball 3 between sliding ways 2 and glide path 6, it is very high that temperature reaches, and makes 6 distortion of sliding ways 2 and glide path easily and make ball 3 be subjected to resistance, influences ash-pan 1 normal rotation.In addition, when fire grate at high temperature burns when producing bigger grit piece attrition crushing load and increasing to the coal in the stove, be fixed on the bull gear 4 that the pinion mate of the worm reduction gear of furnace bottom shell 5 one sides is fixed on the ash-pan 1 and will produce bigger radial push power, cause sliding ways 2 to be risen and ball 3 disengagings, ash-pan 1 center displacement can't be rotated, and this just need dismantle remedial operation, not only take a lot of work, require great effort, but also the normal operation that influence is produced.
The utility model content
The utility model is in order to solve weak point of the prior art, provide a kind of can reduce slideway ball state temperature and prevent that slideway from rising break away from ball and cause transmission furnace bottom assembly in the bull gear of ash-pan center displacement.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: transmission furnace bottom assembly in the bull gear, comprise furnace bottom shell, ash-pan, be provided with slideway between furnace bottom shell and the ash-pan, be provided with in the slideway and be used to support the ball that ash-pan rotates relative to the furnace bottom shell, the outside of slideway is provided with the bull gear that is fixed on the ash-pan, and described ash-pan below is provided with the slideway refrigerating unit that is used to reduce the slideway internal temperature.
Described slideway refrigerating unit comprises between below slideway top and the ash-pan and is the annular bottom plate of plane contact with slideway, the base plate inboard and the outside are respectively equipped with perpendicular ring-type outer panel and ring-type interior plate, the interior plate upper surface is connected with the ash-pan lower surface, base plate, form the cyclic cooling tank between interior plate and the outer panel, be provided with pillar directly over the slideway and between the ash-pan, bull gear is located at floor below and fixedlys connected with ash-pan by bolt, be provided with intake-outlet between outer panel and the ash-pan, intake-outlet is provided with filler pipe outward, ash-pan has the water-stop sheet that extend in the cooling tank, water-stop sheet lower surface and plate upper surface have the gap, and the furnace bottom outer casing bottom is provided with water outlet.
Be provided with the support carriage between described base plate and the furnace bottom shell.
Described support carriage comprises and is located at external fixation ring that is positioned at the bull gear outside on the furnace bottom shell and the internal fixing ring that is positioned at the slideway inboard, the external fixation ring, be respectively equipped with on the internal fixing ring with it and horizontally rotate outer slip ring and the interior slip ring that is connected, outer slip ring, interior slip ring is respectively by outer pin, interior pin is fixedlyed connected with base plate, described base plate bottom is provided with the external chute that holds outer slip ring and holds the internal chute of interior slip ring, the furnace bottom shell, external fixation ring correspondence up and down is provided with outer slip ring oil-way, furnace bottom shell, internal fixing ring correspondence up and down is provided with interior slip ring oil-way.
Be provided with the ash-pan stop means in the centre hole of furnace bottom shell and ash-pan, fixedly connected with the furnace bottom shell with ash-pan respectively in the upper and lower of ash-pan stop means, be rotationally connected the central lines of the centre hole of the medullary ray of described vertical shaft and furnace bottom shell and ash-pan between the upper and lower of ash-pan stop means by a vertical shaft.
Described ash-pan stop means comprises the blind axle box assembly of fixedlying connected with the furnace bottom shell, the web member of fixedlying connected with ash-pan, vertical shaft top is plugged in the centre hole of web member, and the vertical shaft bottom is plugged in the blind axle box assembly and with the blind axle box assembly and is rotationally connected.
Described blind axle box assembly comprises casing, is provided with permanent sleeve in the casing, vertical shaft be plugged in permanent sleeve and with the permanent sleeve running fit.
Described casing top and bottom are respectively equipped with top cover labyrinth and lower sealing cover, and lower sealing cover is provided with the casing oil-way; Be provided with cooling water cavity in the described casing, casing is provided with prosopyle and the posticum that all is connected with cooling water cavity, and the posticum position is higher than the prosopyle.
Described slideway comprises sliding ways and glide path, and sliding ways is fixed on the ash-pan, and glide path is fixed on the furnace bottom shell, and ball is arranged between sliding ways and the corresponding groove of glide path; Described glide path and furnace bottom shell be the corresponding slideway oil-way that is provided with up and down.
Described furnace bottom housing exterior upper end is provided with vertical refractory cements girth sheets, anti-gray retaining plate and horizontally disposed anti-hawk, is filled with refractory cements between refractory cements girth sheets and the anti-gray retaining plate, and the inside and outside end of anti-hawk is connected with the anti-gray retaining plate with ash-pan respectively.
Adopt technique scheme, when work, the slideway refrigerating unit plays the effect of good reduction slideway temperature, and ball is rolled under the normal temps state in slideway, thereby guarantees ball normally operation in slideway; Cold water adds water by filler pipe, intake-outlet in cooling tank, water in the cooling tank cools off the slideway of its underpart, hot water is discharged by the water outlet on intake-outlet, the furnace bottom shell again, after the hot water cooling of water outlet discharge, can recirculation use, have certain interval between water-stop sheet and the base plate and can make hot water, cold water in cooling tank, carry out heat exchange better; Support carriage and ash-pan is played the good supporting effect, and play sealing function, prevent from that water vapour from entering its transmission effect is reduced by the slideway refrigerating unit; When ball wearing and tearing, ash-pan, base plate sink, interior slip ring, the gap smaller of moving slip ring and base plate outward, and internal chute and external chute play certain shock absorption of holding; The lubricated more smoothness when rotating for slip ring in guaranteeing and outer slip ring, slip ring oil-way and outer slip ring oil-way in the spy is provided with; When producer gas generator moves, cause the load of worm reduction gear to increase even bigger grit piece occurs producing in the stove, under the effect of ash-pan stop means, can guarantee that slideway and ball are in the rolling connection state all the time, because the positioned centrally of vertical shaft, can solve slideway and rise and break away from ball and cause the problem of ash-pan center displacement; For reducing bearing temperature, the blind axle box assembly adopts water flowing to cool; For guaranteeing in use lubricated of slideway, permanent sleeve, be provided with slideway oil-way and casing oil-way especially; Anti-hawk is used to prevent that dust from falling into the normal operation that has influence on miscellaneous part in the furnace bottom shell.
The utility model is reasonable in design, simple in structure; can on the furnace bottom assembly of existing producer gas generator, transform; slideway and interior ball thereof are worked in suitable temperature range; avoided shutting down the operation of dismantling maintenance furnace bottom assembly effectively; guarantee normally carrying out continuously of production operation, fully enhance productivity.
Description of drawings
Fig. 1 is the prior art constructions synoptic diagram;
Fig. 2 is the structural representation of the utility model embodiment one;
Fig. 3 is the structural representation of the utility model embodiment two.
Embodiment
Embodiment one: as shown in Figure 2, transmission furnace bottom assembly in the bull gear of the present utility model comprises that parts such as ash-pan 1, ball 3, bull gear 4, furnace bottom shell 5, slideway constitute.Slideway is made of glide path 6 and sliding ways 2, sliding ways 2 is fixed on the ash-pan 1, glide path 6 is fixed on the furnace bottom shell 5, ball 3 is arranged between sliding ways 2 and the glide path 6 corresponding grooves, bull gear 4 is fixed on the following of ash-pan 1 and is positioned at the slideway outside, and put in the groove 7 of furnace bottom shell 5 and with the pinion(gear) (not shown) engaged transmission of the worm reduction gear that is fixed on furnace bottom shell 5 one sides.Furnace bottom shell 5 outer upper ends are provided with vertical refractory cements girth sheets 50, anti-gray retaining plate 51 and horizontally disposed anti-hawk 52, be filled with refractory cements 53 between refractory cements girth sheets 50 and the anti-gray retaining plate 51, the outer end is connected with anti-gray retaining plate 51 with ash-pan 1 respectively in the anti-hawk 52.
Ash-pan 1 below is provided with the slideway refrigerating unit that is used to reduce glide path 6 and sliding ways 2 internal temperatures.The slideway refrigerating unit comprises between below sliding ways 2 tops and the ash-pan 1 and is the annular bottom plate 30 of plane contact with sliding ways 2, base plate 30 inboards and the outside are respectively equipped with perpendicular ring-type outer panel 35 and ring-type interior plate 34, interior plate 34 upper surfaces are connected with ash-pan 1 lower surface, base plate 30, form cyclic cooling tank 31 between interior plate 34 and the outer panel 35, be provided with pillar 32 directly over the sliding ways 2 and between the ash-pan 1, bull gear 4 is located at base plate 30 bottoms and fixedlys connected with ash-pan 1 by bolt 33, be provided with intake-outlet 36 between outer panel 35 and the ash-pan 1, the intake-outlet 36 outer filler pipes 37 that are provided with, ash-pan 1 has the water-stop sheet 38 that extend in the cooling tank 31, water-stop sheet 38 lower ends and have the gap above the base plate 30, furnace bottom shell 5 bottoms are provided with water outlet 39.
Be provided with the support carriage between base plate 30 and the furnace bottom shell 5, supporting carriage comprises and is located at external fixation ring 40 that is positioned at bull gear 4 outsides on the furnace bottom shell 5 and the internal fixing ring 41 that is positioned at the slideway inboard, external fixation ring 40, be respectively equipped with on the internal fixing ring 41 with it and horizontally rotate outer slip ring 42 and the interior slip ring 43 that is connected, outer slip ring 42, interior slip ring 43 is respectively by outer pin 48, interior pin 49 is fixedlyed connected with base plate 30, base plate 30 bottoms are provided with external chute 44 that holds outer slip ring 42 and the internal chute 45 that holds interior slip ring 43, furnace bottom shell 5, the external fixation ring about in the of 40 correspondence be provided with outer slip ring oil-way 46, furnace bottom shell 5, the internal fixing ring about in the of 41 correspondence be provided with in slip ring oil-way 47.
When work was used, the pinion(gear) of worm gear reducer machine mechanism drove bull gear 4, and bull gear 4 drives ash-pan 1, base plate 30, sliding ways 2, outer slip ring 42 and interior slip ring 43 by bolt 33 and rotates, and ball 3 rolls in glide path 6.Meanwhile, cold water adds water by filler pipe 37, intake-outlet 36 in cooling tank 31, water in the cooling tank 31 cools off the slideway of its underpart, hot water is discharged by the water outlet on intake-outlet 36, the furnace bottom shell 5 39 again, after the hot water cooling of water outlet 39 discharges, can recirculation use, have certain interval between water-stop sheet 38 and the base plate 30 and can make hot water, cold water in cooling tank 31, carry out heat exchange better; Outer slip ring 42 and interior slip ring 43 play the good supporting effect by 30 pairs of ash-pans 1 of base plate, and play sealing function, prevent from that water vapour from entering its transmission effect is reduced.When ball 3 wearing and tearing, ash-pan 1, base plate 30 can sink, interior slip ring 43, the gap smaller of moving slip ring 42 and base plate 30 outward, and internal chute 45 and external chute 44 play certain shock absorption of holding.
Embodiment two: as shown in Figure 3, be with embodiment one difference, be provided with the ash-pan stop means in the centre hole 8 of furnace bottom shell 5 and ash-pan 1, fixedly connected with furnace bottom shell 5 with ash-pan 1 respectively in the upper and lower of ash-pan stop means, be rotationally connected the central lines of the centre hole 8 of the medullary ray of vertical shaft 11 and furnace bottom shell 5 and ash-pan 1 between the upper and lower of ash-pan stop means by a vertical shaft 11.
The ash-pan stop means comprises the blind axle box assembly of fixedlying connected with furnace bottom shell 5, the web member 12 of fixedlying connected with ash-pan 1, vertical shaft 11 tops are plugged in the centre hole of web member 12, and vertical shaft 11 bottoms are plugged in the blind axle box assembly and with the blind axle box assembly and are rotationally connected.The blind axle box assembly comprises casing 9, is provided with permanent sleeve 20 in the casing 9, and permanent sleeve 20 is fixedlyed connected with casing 9, vertical shaft 11 be plugged in the permanent sleeve 20 and with permanent sleeve 20 running fit.Vertical shaft 11 rotates in permanent sleeve 20, and wear resistance is good, long service life.Casing 9 top and bottom are respectively equipped with top cover labyrinth 14 and lower sealing cover 15, are provided with cooling water cavity 16 in the casing 9, and casing 9 is provided with prosopyle 17 and the posticum 18 that all is connected with cooling water cavity 16, and posticum 18 positions are higher than prosopyle 17.Lower sealing cover 15 is provided with casing oil-way 22, glide path 6 and the furnace bottom shell corresponding slideway oil-way 19 that is provided with about in the of 5.
During work, ash-pan 1 rotation, ash-pan 1 drives vertical shaft 11 by web member 12 and rotates.When fire grate at high temperature burns when producing bigger grit piece and being extruded broken load and increasing to the coal in the stove, the pinion mate that is fixed on the worm reduction gear of furnace bottom shell 5 one sides is fixed on ash-pan 1 following bull gear 4 and will produces bigger radial push power, because the positioned centrally of vertical shaft 11, can solve sliding ways 2 and rise and break away from ball 3 and cause the problem of ash-pan 1 center displacement.In vertical shaft 11 rotation processes, the temperature of bearing 10 can increase, and for reducing the friction temperature between vertical shaft 11 and the permanent sleeve 20, can import water coolant in cooling water cavity 16 by prosopyle 17, discharge by posticum 18 again, reach the effect of the blind axle box assembly that cools.Work for some time after, can by casing oil-way 22 in casing 9 vertical shaft 11 and permanent sleeve 20 between carry out oily, oily by the ball 3 of slideway oil-way 19 in glide path 6 and sliding ways 2, it is moved under good working order.
Claims (10)
1. transmission furnace bottom assembly in the bull gear, comprise furnace bottom shell, ash-pan, be provided with slideway between furnace bottom shell and the ash-pan, be provided with in the slideway and be used to support the ball that ash-pan rotates relative to the furnace bottom shell, the outside of slideway is provided with the bull gear that is fixed on the ash-pan, it is characterized in that: described ash-pan below is provided with the slideway refrigerating unit that is used to reduce the slideway internal temperature.
2. transmission furnace bottom assembly in the bull gear according to claim 1, it is characterized in that: described slideway refrigerating unit comprises between below slideway top and the ash-pan and is the annular bottom plate of plane contact with slideway, the base plate inboard and the outside are respectively equipped with perpendicular ring-type outer panel and ring-type interior plate, the interior plate upper surface is connected with the ash-pan lower surface, base plate, form the cyclic cooling tank between interior plate and the outer panel, be provided with pillar directly over the slideway and between the ash-pan, bull gear is located at floor below and fixedlys connected with ash-pan by bolt, be provided with intake-outlet between outer panel and the ash-pan, intake-outlet is provided with filler pipe outward, ash-pan has the water-stop sheet that extend in the cooling tank, water-stop sheet lower surface and plate upper surface have the gap, and the furnace bottom outer casing bottom is provided with water outlet.
3. transmission furnace bottom assembly in the bull gear according to claim 2 is characterized in that: be provided with the support carriage between described base plate and the furnace bottom shell.
4. transmission furnace bottom assembly in the bull gear according to claim 3, it is characterized in that: described support carriage comprises and is located at external fixation ring that is positioned at the bull gear outside on the furnace bottom shell and the internal fixing ring that is positioned at the slideway inboard, the external fixation ring, be respectively equipped with on the internal fixing ring with it and horizontally rotate outer slip ring and the interior slip ring that is connected, outer slip ring, interior slip ring is respectively by outer pin, interior pin is fixedlyed connected with base plate, described base plate bottom is provided with the external chute that holds outer slip ring and holds the internal chute of interior slip ring, the furnace bottom shell, external fixation ring correspondence up and down is provided with outer slip ring oil-way, furnace bottom shell, internal fixing ring correspondence up and down is provided with interior slip ring oil-way.
5. transmission furnace bottom assembly in the bull gear according to claim 4, it is characterized in that: be provided with the ash-pan stop means in the centre hole of furnace bottom shell and ash-pan, fixedly connected with the furnace bottom shell with ash-pan respectively in the upper and lower of ash-pan stop means, be rotationally connected the central lines of the centre hole of the medullary ray of described vertical shaft and furnace bottom shell and ash-pan between the upper and lower of ash-pan stop means by a vertical shaft.
6. transmission furnace bottom assembly in the bull gear according to claim 5, it is characterized in that: described ash-pan stop means comprises the blind axle box assembly of fixedlying connected with the furnace bottom shell, the web member of fixedlying connected with ash-pan, vertical shaft top is plugged in the centre hole of web member, and the vertical shaft bottom is plugged in the blind axle box assembly and with the blind axle box assembly and is rotationally connected.
7. transmission furnace bottom assembly in the bull gear according to claim 6, it is characterized in that: described blind axle box assembly comprises casing, is provided with permanent sleeve in the casing, vertical shaft be plugged in permanent sleeve and with the permanent sleeve running fit.
8. transmission furnace bottom assembly in the bull gear according to claim 7, it is characterized in that: described casing top and bottom are respectively equipped with top cover labyrinth and lower sealing cover, and lower sealing cover is provided with the casing oil-way; Be provided with cooling water cavity in the described casing, casing is provided with prosopyle and the posticum that all is connected with cooling water cavity, and the posticum position is higher than the prosopyle.
9. according to transmission furnace bottom assembly in each described bull gear of claim 1～8, it is characterized in that: described slideway comprises sliding ways and glide path, sliding ways is fixed on the ash-pan, and glide path is fixed on the furnace bottom shell, and ball is arranged between sliding ways and the corresponding groove of glide path; Described glide path and furnace bottom shell be the corresponding slideway oil-way that is provided with up and down.
10. according to transmission furnace bottom assembly in each described bull gear of claim 1～8, it is characterized in that: described furnace bottom housing exterior upper end is provided with vertical refractory cements girth sheets, anti-gray retaining plate and horizontally disposed anti-hawk, be filled with refractory cements between refractory cements girth sheets and the anti-gray retaining plate, the inside and outside end of anti-hawk is connected with the anti-gray retaining plate with ash-pan respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200128948U CN201952406U (en) | 2011-01-17 | 2011-01-17 | Big-gear-ring inner-transmission furnace bottom assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200128948U CN201952406U (en) | 2011-01-17 | 2011-01-17 | Big-gear-ring inner-transmission furnace bottom assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201952406U true CN201952406U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200128948U Expired - Lifetime CN201952406U (en) | 2011-01-17 | 2011-01-17 | Big-gear-ring inner-transmission furnace bottom assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201952406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071070A (en) * | 2011-01-17 | 2011-05-25 | 慕乃道 | Internal transmission furnace bottom assembly with large gear ring |
-
2011
- 2011-01-17 CN CN2011200128948U patent/CN201952406U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071070A (en) * | 2011-01-17 | 2011-05-25 | 慕乃道 | Internal transmission furnace bottom assembly with large gear ring |
| CN102071070B (en) * | 2011-01-17 | 2013-05-01 | 慕乃道 | Internal transmission furnace bottom assembly with large gear ring |
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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 |
Granted publication date: 20110831 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |