CN210951372U - Air-cooled heat conduction oil furnace burning sanding powder device - Google Patents
Air-cooled heat conduction oil furnace burning sanding powder device Download PDFInfo
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- CN210951372U CN210951372U CN201922023885.8U CN201922023885U CN210951372U CN 210951372 U CN210951372 U CN 210951372U CN 201922023885 U CN201922023885 U CN 201922023885U CN 210951372 U CN210951372 U CN 210951372U
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Abstract
The utility model relates to an air-cooled heat conduction oil furnace burning sand light powder device belongs to fibreboard preparation technical field. The technical scheme is as follows: a spiral conveyor (2) is arranged below a discharge port of the sanding powder bin (1), the discharge end of the spiral conveyor (2) is connected with one end of a sanding powder conveying pipeline (9) through a feeding valve (3), a sanding powder conveying fan (4) is arranged on the sanding powder conveying pipeline (9), and the other end of the sanding powder conveying pipeline (9) is communicated with a heating furnace (5) through a sanding powder nozzle (7); the secondary fan (8) is connected with an air inlet (15) of the sanding powder nozzle outer jacket (13) through an air supply pipeline (10). The utility model discloses an actively the effect: the sanding powder in the production of the fiberboard can be completely recycled, the safety and the environmental protection are realized, the fire coal is saved, and the utilization rate of the wood is improved.
Description
Technical Field
The utility model relates to an air-cooled heat conduction oil furnace burning sand light powder device evenly adds the sand light dust that produces in the production of fibreboard enterprise to heat conduction oil furnace, can realize the even stable recycle of sand light powder, belongs to fibreboard preparation technical field.
Background
The fuel of the heat-conducting oil furnace generally comprises coal, oil, gas, sanding powder, waste wood and the like. The heat-conducting oil furnace for burning the sanding powder is mainly used for the industry of artificial boards. In the production of artificial boards, the sanding powder generated by sanding the upper and lower surfaces of the artificial board by the sander has a small diameter of generally 0.005 to 0.3 mm, the natural bulk density is 150 and 200kg/m for carrying out labor cultivation, and the heat value is about 4000 kcal/kg. The sanding powder has low density and long floating time in the air, is very easy to cause atmospheric dust pollution and is also easy to detonate. The sanding powder is collected and then conveyed to a hearth through air conveying equipment for combustion, so that atmospheric dust pollution is reduced, and a heat source is provided for artificial board production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air-cooled heat conduction oil furnace burning sand light powder device reaches other fuels that sand light powder can replace heat conduction oil furnace, has reduced atmospheric dust pollution, has improved ligneous utilization ratio, solves the above-mentioned problem that the background art exists.
The technical scheme of the utility model is that:
a burning sanding powder device of an air-cooled heat-conducting oil furnace comprises a sanding powder bin, a screw conveyor, a feeding valve, a sanding powder conveying fan, a heating furnace, a sanding powder nozzle, a secondary fan, a sanding powder conveying pipeline and an air supply pipeline, wherein the screw conveyor is arranged below a discharge port of the sanding powder bin; the sanding powder nozzle comprises an inner pipeline of the sanding powder nozzle and an outer jacket of the sanding powder nozzle, the outer jacket of the sanding powder nozzle is sleeved outside the inner pipeline of the sanding powder nozzle, a gap is formed between the outer jacket of the sanding powder nozzle and the inner pipeline of the sanding powder nozzle, and the gap forms an annular cold air channel; a sanding powder inlet and a sanding powder outlet are arranged on the pipeline in the sanding powder nozzle, the other end of the sanding powder conveying pipeline is communicated with the sanding powder inlet, and the sanding powder outlet is communicated with a hearth of the heating furnace; the sanding powder nozzle outer jacket is provided with an air inlet and an air outlet which are communicated with the cold air channel, and the secondary fan is connected with the air inlet of the sanding powder nozzle outer jacket through an air supply pipeline.
The other end of the sanding powder conveying pipeline is communicated with a sanding powder inlet of the pipeline in the sanding powder nozzle through a one-way valve.
The discharge end of the spiral conveyor is connected with one end of the sanding powder conveying pipeline through a feeding valve and then divided into a plurality of sanding powder conveying branch pipelines, and the sanding powder conveying branch pipelines are respectively communicated with the interior of a hearth of the heating furnace through corresponding sanding powder nozzles; the secondary fan is connected with the air supply pipeline and then divided into a plurality of air supply branch pipelines, and the plurality of air supply branch pipelines are respectively communicated with the air inlets of the corresponding sanding powder nozzles.
The screw conveyer, the feeding valve and the sanding powder conveying fan are all common equipment known in the field and can be purchased in the market or assembled by self.
Adopt the mode of negative pressure transport to add the sand light powder, the negative pressure is carried and is just let the sand light powder directly inhale from the inlet scoop of sand light powder delivery blower, the motor of sand light powder delivery blower is the constant power output, through controlling screw conveyer and the feed valve below the sand light powder storehouse, control the dust addition amount, the sand light powder that is located sand light powder pipeline enters into the heating furnace through sand light powder delivery blower and goes, because sand light powder need have enough big combustion space in the furnace burning, set up sand light powder nozzle on sand light powder pipeline, sand light powder spouts the furnace burning through the sand light powder nozzle that has the check valve, secondary fan blows in the cold wind passageway in the sand light powder nozzle with the air, thereby reach the effect of cooling sand light powder nozzle. The sanding powder conveying fan can blow sanding powder into the heating furnace, formed airflow can also be used as auxiliary secondary air for burning the sanding powder, guarantee is provided for sufficient burning of the sanding powder, and the sanding powder nozzle cannot be used even if being slightly worn.
The utility model discloses an actively the effect: the sanding powder in the production of the fiberboard can be completely recycled, the safety and the environmental protection are realized, the fire coal is saved, and the utilization rate of the wood is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a sanding powder nozzle according to an embodiment of the present invention;
in the figure: sanding powder storehouse 1, screw conveyer 2, feed valve 3, sand light powder delivery blower 4, heating furnace 5, check valve 6, sand light powder nozzle 7, secondary air fan 8, sand light powder pipeline 9, supply air duct 10, sand light powder delivery branch pipeline 11, supply air branch pipeline 12, sand light powder nozzle interior conduit 13, sand light powder nozzle jacket outside 14, air intake 15, air outlet 16, sand light powder import 17, sand light powder export 18.
Detailed Description
The invention is further described with reference to the following figures and examples:
an air-cooled heat-conducting oil furnace burning sanding powder device comprises a sanding powder bin 1, a screw conveyor 2, a feeding valve 3, a sanding powder conveying fan 4, a heating furnace 5, a sanding powder nozzle 7, a secondary fan 8, a sanding powder conveying pipeline 9 and an air supply pipeline 10, wherein the screw conveyor 2 is arranged below a discharge port of the sanding powder bin 1, the discharge end of the screw conveyor 2 is connected with one end of the sanding powder conveying pipeline 9 through the feeding valve 3, the sanding powder conveying fan 4 is arranged on the sanding powder conveying pipeline 9, and the other end of the sanding powder conveying pipeline 9 is communicated with the heating furnace 5 through the sanding powder nozzle 7; the sanding powder nozzle 7 comprises a sanding powder nozzle inner pipeline 13 and a sanding powder nozzle outer jacket 14, the sanding powder nozzle outer jacket 14 is sleeved outside the sanding powder nozzle inner pipeline 13, a gap is formed between the sanding powder nozzle outer jacket 14 and the sanding powder nozzle inner pipeline 13, and the gap forms an annular cold air channel; a sanding powder inlet 17 and a sanding powder outlet 18 are arranged on the pipeline 13 in the sanding powder nozzle, the other end of the sanding powder conveying pipeline 9 is communicated with the sanding powder inlet 17, and the sanding powder outlet 18 is communicated with a hearth of the heating furnace 5; an air inlet 15 and an air outlet 16 which are communicated with a cold air channel are arranged on the sanding powder nozzle outer jacket 14, and the secondary fan 8 is connected with the sanding powder nozzle outer jacket 14 air inlet 15 through an air supply pipeline 10. The secondary fan 8 pumps air into the air supply pipeline, the air enters the annular cold air channel through the air inlet of the sanding powder nozzle outer jacket 14, the sanding powder nozzle 7 is cooled by cold air, and the air is discharged into the air from the air outlet of the sanding powder nozzle outer jacket 14.
The other end of the sanding powder conveying pipeline 9 is communicated with a sanding powder inlet 17 of a pipeline 13 in the sanding powder nozzle through a one-way valve 6.
The discharge end of the screw conveyor 2 is connected with one end of a sanding powder conveying pipeline 9 through a feeding valve 3 and then divided into a plurality of sanding powder conveying branch pipelines 11, and the sanding powder conveying branch pipelines are respectively communicated with the interior of a hearth of the heating furnace 5 through corresponding sanding powder nozzles 7; the secondary fan 8 is connected with the air supply pipeline 10 and then divided into a plurality of air supply branch pipelines 12, and the plurality of air supply branch pipelines are respectively communicated with the air inlets 15 of the corresponding sanding powder nozzles 7. The sanding powder conveying fan 4 can be only arranged on the sanding powder conveying pipeline 9, and can also be arranged on the sanding powder conveying pipeline 9 and the sanding powder conveying branch pipeline 11.
With reference to fig. 1 and 2, the embodiment of the present invention is:
screw conveyer 2 is installed under sand light powder storehouse 1, and screw conveyer 2's feed end and sand light powder storehouse 1's discharge gate phase-match, and screw conveyer 2's discharge end is equipped with the unloading pipe, is equipped with feed valve 3 on the unloading pipe. The screw conveyor 2 finishes the uniform supply of the sanding powder from feeding to discharging, and the sanding powder is conveyed into a sanding powder conveying pipeline 9 through a sanding powder conveying fan 4 after passing through the feeding valve 3. The sand light powder in the sand light powder conveying pipeline 9 enters the sand light powder nozzle inner pipeline 13 of the sand light powder nozzle 7 after passing through the one-way valve 6, and finally, the sand light powder is sprayed into the heating furnace 5 along with the air flow to be combusted, the air flow can also serve as auxiliary secondary air for combustion of the sand light powder, so that guarantee is provided for sufficient combustion of the sand light powder, and the one-way valve fully avoids safety accidents of furnace tempering caused by sudden situations such as sudden power failure of equipment.
In this embodiment, the sanding powder inlet 17 and the sanding powder outlet 18 are respectively disposed at the upper and lower ends of the inner pipe 13 of the sanding powder nozzle, and the air inlet 15 and the air outlet 16 are respectively disposed at the left and right ends of the outer jacket 14 of the sanding powder nozzle. The sanding powder moves in the sanding powder nozzle inner pipeline 13 from bottom to top, and after entering from the air inlet, the cold air flows in the annular cold air channel from left to right to cool the sanding powder nozzle 7, and then is discharged into the atmosphere along the air outlet 16 to continuously cool the sanding powder nozzle.
The utility model is used for the recovery of sand light powder is recycled in the fibreboard production, and simple structure is firm, use nimble and be convenient for installation regulation and maintenance, adds once more to produced sand light powder and reaches cyclic utilization. The operation is stable, the fault rate is low, and the work efficiency is high.
Claims (3)
1. The utility model provides an air-cooled heat conduction oil furnace burning sand light powder device which characterized in that: the sanding powder conveying device comprises a sanding powder bin (1), a spiral conveyor (2), a feeding valve (3), a sanding powder conveying fan (4), a heating furnace (5), a sanding powder nozzle (7), a secondary fan (8), a sanding powder conveying pipeline (9) and an air supply pipeline (10), wherein the spiral conveyor (2) is arranged below a discharge port of the sanding powder bin (1), the discharge end of the spiral conveyor (2) is connected with one end of the sanding powder conveying pipeline (9) through the feeding valve (3), the sanding powder conveying fan (4) is arranged on the sanding powder conveying pipeline (9), and the other end of the sanding powder conveying pipeline (9) is communicated with the heating furnace (5) through the sanding powder nozzle (7); the sanding powder nozzle (7) comprises a sanding powder nozzle inner pipeline (13) and a sanding powder nozzle outer jacket (14), the sanding powder nozzle outer jacket (14) is sleeved outside the sanding powder nozzle inner pipeline (13), a gap is formed between the sanding powder nozzle outer jacket (14) and the sanding powder nozzle inner pipeline (13), and the gap forms an annular cold air channel; a sanding powder inlet (17) and a sanding powder outlet (18) are formed in the pipeline (13) in the sanding powder nozzle, the other end of the sanding powder conveying pipeline (9) is communicated with the sanding powder inlet (17), and the sanding powder outlet (18) is communicated with a hearth of the heating furnace (5); an air inlet (15) and an air outlet (16) which are communicated with a cold air channel are arranged on the sanding powder nozzle outer jacket (14), and a secondary air blower (8) is connected with the air inlet (15) of the sanding powder nozzle outer jacket (14) through an air supply pipeline (10).
2. The burning sanding powder device of the air-cooled heat-conducting oil furnace according to claim 1, characterized in that: the other end of the sanding powder conveying pipeline (9) is communicated with a sanding powder inlet (17) of a pipeline (13) in the sanding powder nozzle through a one-way valve (6).
3. The burning sanding powder device of the air-cooled heat-conducting oil furnace as claimed in claim 1 or 2, wherein: the discharge end of the spiral conveyor (2) is connected with one end of a sanding powder conveying pipeline (9) through a feeding valve (3) and then is divided into a plurality of sanding powder conveying branch pipelines (11), and the sanding powder conveying branch pipelines are respectively communicated with the interior of a hearth of the heating furnace (5) through corresponding sanding powder nozzles (7); the secondary fan (8) is connected with the air supply pipeline (10) and then divided into a plurality of air supply branch pipelines (12), and the air supply branch pipelines are respectively communicated with the air inlets of the corresponding sanding powder nozzles (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023885.8U CN210951372U (en) | 2019-11-21 | 2019-11-21 | Air-cooled heat conduction oil furnace burning sanding powder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922023885.8U CN210951372U (en) | 2019-11-21 | 2019-11-21 | Air-cooled heat conduction oil furnace burning sanding powder device |
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| Publication Number | Publication Date |
|---|---|
| CN210951372U true CN210951372U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922023885.8U Active CN210951372U (en) | 2019-11-21 | 2019-11-21 | Air-cooled heat conduction oil furnace burning sanding powder device |
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| Country | Link |
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| CN (1) | CN210951372U (en) |
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2019
- 2019-11-21 CN CN201922023885.8U patent/CN210951372U/en active Active
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