CN215489758U - Flue structure of incinerator - Google Patents
Flue structure of incinerator Download PDFInfo
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- CN215489758U CN215489758U CN202121238019.1U CN202121238019U CN215489758U CN 215489758 U CN215489758 U CN 215489758U CN 202121238019 U CN202121238019 U CN 202121238019U CN 215489758 U CN215489758 U CN 215489758U
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Abstract
The utility model relates to the technical field of incinerators, in particular to an incinerator flue structure, which comprises a flue inlet, a transition flue, a centrifugal flue, a spraying flue and a flue outlet which are sequentially arranged along the flow direction of flue gas; the transition flue is vertically arranged, and one end of the transition flue, which is close to the centrifugal flue, is provided with an air deflector; the centrifugal flue comprises an arc-shaped side wall, and the arc-shaped side wall is positioned below the transition flue; a first discharge hole is formed in the arc-shaped side wall, more than two baffles which are arranged in a clearance mode are arranged at one end, close to the spray flue, of the centrifugal flue, and more than two spray pipes which are uniformly arranged are arranged right above the spray flue; a second discharge hole is formed right below the spray flue; and a purifier is arranged on the smoke outlet. Through the flue mechanism, air filtration and ash recovery are realized, and the flue is prevented from gradually accumulating ash in the exhaust process to cause secondary pollution of subsequent exhaust.
Description
Technical Field
The utility model relates to the technical field of incinerators, in particular to an incinerator flue structure.
Background
The flue of the existing incinerator is communicated with the hearth, and the flue gas is discharged through the flue. The incinerator adopts a high-temperature pyrolysis treatment technology to carry out oxidation combustion reaction on the organic waste and air in the incinerator, and smoke and combustion ash are generated in the incineration process. The flue gas gets into when the flue along with high temperature and tiny particle ashes, and long-term high temperature causes the harm to the flue, produces the crack, and the effect of ventilating that influences the flue is easily accumulated in the flue to tiny particle ashes in the flue, and simultaneously, the interior ash that accumulates of flue is wrapped up in by the flue gas among the follow-up exhaust process easily again and is carried the direct row to external environment and cause secondary pollution easily.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an incinerator flue structure which can recover ash mixed in flue gas and prevent pollution.
In order to solve the technical problems, the utility model adopts the technical scheme that: the flue structure of the incinerator comprises a flue inlet, a transition flue, a centrifugal flue, a spraying flue and a flue outlet which are sequentially arranged along the flowing direction of flue gas;
the smoke inlet is provided with a coal economizer;
the transition flue is vertically arranged, and one end of the transition flue, which is close to the centrifugal flue, is provided with an air deflector; the centrifugal flue comprises an arc-shaped side wall, and the arc-shaped side wall is positioned below the transition flue;
the spraying flue is vertically arranged, more than two baffles are arranged at the end, close to the spraying flue, of the centrifugal flue in a clearance mode, and each baffle is arranged in a downward inclined mode along the direction from the centrifugal flue to the spraying flue;
more than two spray pipes which are uniformly arranged are arranged right above the spray flue;
a second discharge hole is formed right below the spray flue;
and a purifier is arranged on the smoke outlet.
Furthermore, the spray pipe is provided with an atomizing nozzle, and the spraying angle of the atomizing nozzle is 90 degrees relative to the horizontal plane.
Furthermore, the air deflector is obliquely arranged, and one end of the air deflector, which is close to the centrifugal flue, faces the arc-shaped side wall.
Furthermore, a water-cooled wall is arranged on the side wall of the transition flue.
Further, the distance between the spray pipe and the bottom of the spray flue is 30 cm.
Furthermore, the horizontal height of the first discharge port is equal to the horizontal height of the lowest point position of the arc-shaped side wall, and the first discharge port is of a horn-shaped structure.
Further, all be equipped with on first discharge gate and the second discharge gate and scrape the flitch.
The utility model has the beneficial effects that: the utility model provides an burn burning furnace flue structure, flue gas get into behind the flue through aviation baffle direction centrifugal flue, and the flue gas produces centrifugal action along centrifugal flue's arc lateral wall direction motion, at the motion process, and the ashes of mingling with in the flue gas fall into the arc lateral wall through centrifugal action to fall into first discharge gate through the arc lateral wall, thereby retrieve ashes. In addition, the flue gas is stopped remaining large granule ashes in the flue gas by the baffle effect before the centrifugal flue gets into the spray flue, and the large granule ashes continue to fall to first discharge gate along arc lateral wall radian under the collision effect of baffle. The flue gas gets into and sprays flue back through spray tube spun water smoke effect, can cool down and filter, and remaining tiny particle ashes can water smoke immerse and fall to the discharge gate of second discharge and discharge in the smog. Through the flue mechanism, air filtration and ash recovery are realized, and the flue is prevented from gradually accumulating ash in the exhaust process to cause secondary pollution of subsequent exhaust.
Drawings
FIG. 1 is a schematic structural view of a flue structure of an incinerator according to the present invention;
description of reference numerals:
1. a smoke inlet; 2. a transition flue; 3. a centrifugal flue; 4. spraying a flue; 5. a smoke outlet; 6. a coal economizer; 7. a circulating water pipe; 21. an air deflector; 31. an arcuate sidewall; 32. a first discharge port; 33. a baffle plate; 41. a nozzle; 42. a second discharge port; 43. a drain hole; 8. a filtration channel; 9. a purifier.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the flue structure of an incinerator provided by the present invention includes a flue inlet, a transition flue, a centrifugal flue, a spray flue and a flue outlet, which are sequentially arranged along a flue gas flowing direction;
the smoke inlet is provided with a coal economizer;
the transition flue is vertically arranged, and one end of the transition flue, which is close to the centrifugal flue, is provided with an air deflector; the centrifugal flue comprises an arc-shaped side wall, and the arc-shaped side wall is positioned below the transition flue;
the spraying flue is vertically arranged, more than two baffles are arranged at the end, close to the spraying flue, of the centrifugal flue in a clearance mode, and each baffle is arranged in a downward inclined mode along the direction from the centrifugal flue to the spraying flue;
more than two spray pipes which are uniformly arranged are arranged right above the spray flue;
a second discharge hole is formed right below the spray flue;
and a purifier is arranged on the smoke outlet.
From the above description, the beneficial effects of the present invention are: the utility model provides an burn burning furnace flue structure, flue gas get into behind the flue through aviation baffle direction centrifugal flue, and the flue gas produces centrifugal action along centrifugal flue's arc lateral wall direction motion, at the motion process, and the ashes of mingling with in the flue gas fall into the arc lateral wall through centrifugal action to fall into first discharge gate through the arc lateral wall, thereby retrieve ashes. In addition, the flue gas is stopped remaining large granule ashes in the flue gas by the baffle effect before the centrifugal flue gets into the spray flue, and the large granule ashes continue to fall to first discharge gate along arc lateral wall radian under the collision effect of baffle. The flue gas gets into and sprays flue back through spray tube spun water smoke effect, can cool down and filter, and remaining tiny particle ashes can water smoke immerse and fall to the discharge gate of second discharge and discharge in the smog. Through the flue mechanism, air filtration and ash recovery are realized, and the flue is prevented from gradually accumulating ash in the exhaust process to cause secondary pollution of subsequent exhaust.
Furthermore, the spray pipe is provided with an atomizing nozzle, and the spraying angle of the atomizing nozzle is 90 degrees relative to the horizontal plane.
From the above description, the spraying angle of atomizing nozzle is 90 degrees relative to the horizontal plane, can realize perpendicular spraying, and the water smoke can be better receive the action of gravity whereabouts for the velocity of flow in the air, not only can wrap up remaining ashes in the flue gas fast and make its whereabouts on the one hand, and on the other hand can also further improve cooling efficiency.
Furthermore, the air deflector is obliquely arranged, and one end of the air deflector, which is close to the centrifugal flue, faces the arc-shaped side wall.
From the above description, the one end that the aviation baffle is close to centrifugal flue sets up towards the arc lateral wall to can lead the centrifugal flue with the flue gas, make the direction of motion of flue gas go on along the radian of centrifugal flue's arc lateral wall, thereby produce centrifugal action.
Furthermore, a water-cooled wall is arranged on the side wall of the transition flue.
According to the description, the water-cooled wall is arranged on the side wall of the transition flue, so that the flue gas entering the transition flue after being subjected to heat recovery by the economizer can be cooled, and the damage to the wall surface of the flue caused by overhigh temperature of the flue gas is prevented.
Further, the distance between the spray pipe and the bottom of the spray flue is 30 cm.
Furthermore, the horizontal height of the first discharge port is equal to the horizontal height of the lowest point position of the arc-shaped side wall, and the first discharge port is of a horn-shaped structure.
From the above description, the horizontal height of the first discharge port is equal to the horizontal height of the lowest point of the arc-shaped side wall, so that ash falling on the arc-shaped side wall falls to the first discharge port along the arc-shaped side wall, and meanwhile, the first discharge port is in a horn-shaped structure, so that the ash can be better recovered through the large opening.
Further, all be equipped with on first discharge gate and the second discharge gate and scrape the flitch.
As can be seen from the above description, the first discharging hole and the second discharging hole are both provided with scraping plates, so that the first discharging hole and the second discharging hole can be prevented from being blocked.
Referring to fig. 1, a first embodiment of the present invention is: the utility model provides an burn burning furnace flue structure, includes the inlet flue 1, transition flue 2, centrifugal flue 3, spray flue 4 and the outlet flue 5 that set gradually along the flue gas flow direction.
The smoke inlet is connected with a hearth of the incinerator, the smoke inlet is provided with a coal economizer 6, the coal economizer is used for recovering waste heat of smoke, and the smoke flows into the transition flue from the coal economizer outlet at the smoke inlet. The transition flue is vertically arranged, a water-cooling wall is arranged on the side wall of the transition flue, the water-cooling wall is formed by a circulating water pipe 7 surrounding the side wall of the transition flue, and the circulating water pipe is connected with external water-cooling equipment and supplies cold water circularly through the water-cooling equipment. The temperature of the flue gas is reduced under the cooling action of the water-cooled wall, so that the phenomenon that the wall surface of the flue is cracked and damaged due to the long-term heating action of the flue gas caused by overhigh temperature of the flue gas can be prevented. And one end of the transition flue close to the centrifugal flue is also provided with a plurality of air deflectors 21, and the air deflectors guide the flue gas in the transition flue to the centrifugal flue.
The centrifugal flue comprises an arc-shaped side wall 31, the arc-shaped side wall is located below the transition flue, specifically, the arc-shaped side wall is located on the lower side wall of the centrifugal flue, and the cross section of the arc-shaped channel in one direction is a quarter of the circumference. Be equipped with first discharge gate 32 on the arc lateral wall, the level of first discharge gate with the level of the minimum point position of arc lateral wall equals, first discharge gate is loudspeaker column structure, the opening that first discharge gate is close to the arc lateral wall is equipped with the guide part, first discharge gate is connected with the storage vat that sets up at the flue outside. The one end that centrifugal flue is close to the spray flue is equipped with the baffle 33 that two above clearances set up, every the baffle all is the downward sloping setting along centrifugal flue to spray flue's direction, and every the relative horizontal plane slope of baffle is 45. The flue gas gets into at first through the aviation baffle direction centrifugal flue before the centrifugal flue for the flue gas produces centrifugal action along the arc lateral wall direction motion of centrifugal flue, and the ash that mix with in the flue gas falls to the arc lateral wall through centrifugal action, and falls into first discharge gate through the arc lateral wall, thereby retrieves the ash. In addition, the flue gas is stopped remaining large granule ashes in the flue gas by the baffle effect before the centrifugal flue gets into the spray flue, and the large granule ashes continue to fall to first discharge gate along arc lateral wall radian under the collision effect of baffle. The ash is gathered at the first discharge port and discharged to the outside of the flue through the first discharge port.
The spray flue is vertically arranged, more than two spray pipes 41 which are uniformly arranged are arranged right above the spray flue, and a second discharge hole 42 is arranged right below the spray flue. Specifically, the lower end part corresponding to the spray flue is of a funnel structure, the side wall of the bottom part corresponding to the spray flue is provided with a plurality of uniformly distributed drain holes 43, and the second discharge hole is arranged below the drain holes and communicated with the drain holes. The spray pipe passes through inlet tube and external water source, be equipped with atomizing nozzle on the spray pipe, the flue gas gets into and sprays the flue after through spray pipe spun water smoke effect, and remaining tiny particle ashes can the water smoke immerse the whereabouts in the smog, collect to the second discharge gate through the wash port and discharge the flue outside. In addition, the spraying angle of the atomizing nozzle is 90 degrees relative to the horizontal plane. Can realize perpendicular spraying, the water smoke can be better receive the action of gravity whereabouts for the velocity of flow in the air, not only can wrap up remaining ashes in the flue gas fast and make its whereabouts on the one hand, on the other hand can also realize rapid cooling.
The spray flue top still be equipped with the filtration flue 8 of spray flue intercommunication, the filtration flue is the level setting, just the outlet flue is located the one end that the spray flue was kept away from to the filtration flue, be equipped with the clarifier 9 that is used for air-purifying on the outlet flue. The purifier is F-P0535C.
In this embodiment, the air deflector is obliquely arranged, and one end of the air deflector close to the centrifugal flue is arranged toward the arc-shaped side wall. Thereby can lead the flue gas to centrifugal flue for the direction of motion of flue gas is gone on along the radian of centrifugal flue's arc lateral wall, thereby produces centrifugal action.
In this embodiment, the distance between the spray pipe and the bottom of the spray flue is 30 cm.
In this embodiment, all be equipped with on first discharge gate and the second discharge gate and scrape the flitch, can prevent first discharge gate and second ejection of compact from taking place to block up.
In summary, according to the flue structure of the incinerator provided by the utility model, flue gas enters the flue and then is guided to the centrifugal flue through the air guide plate, the flue gas moves along the arc-shaped side wall direction of the centrifugal flue, a centrifugal effect is generated in the moving process, ash mixed in the flue gas falls onto the arc-shaped side wall through the centrifugal effect, and falls into the first discharge hole through the arc-shaped side wall, so that the ash is recovered. In addition, the flue gas is stopped remaining large granule ashes in the flue gas by the baffle effect before the centrifugal flue gets into the spray flue, and the large granule ashes continue to fall to first discharge gate along arc lateral wall radian under the collision effect of baffle. The flue gas gets into and sprays flue back through spray tube spun water smoke effect, can cool down and filter, and remaining tiny particle ashes can water smoke immerse and fall to the discharge gate of second discharge and discharge in the smog. Through the flue mechanism, air filtration and ash recovery are realized, and the flue is prevented from gradually accumulating ash in the exhaust process to cause secondary pollution of subsequent exhaust.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A flue structure of an incinerator is characterized by comprising a flue inlet, a transition flue, a centrifugal flue, a spraying flue and a flue outlet which are sequentially arranged along the flowing direction of flue gas;
the smoke inlet is provided with a coal economizer;
the transition flue is vertically arranged, and one end of the transition flue, which is close to the centrifugal flue, is provided with an air deflector; the centrifugal flue comprises an arc-shaped side wall, and the arc-shaped side wall is positioned below the transition flue;
the spraying flue is vertically arranged, more than two baffles are arranged at the end, close to the spraying flue, of the centrifugal flue in a clearance mode, and each baffle is arranged in a downward inclined mode along the direction from the centrifugal flue to the spraying flue;
more than two spray pipes which are uniformly arranged are arranged right above the spray flue;
a second discharge hole is formed right below the spray flue;
and a purifier is arranged on the smoke outlet.
2. The incinerator flue structure according to claim 1, wherein said spray pipe is provided with atomizing nozzles, and the spraying angle of said atomizing nozzles is 90 degrees with respect to the horizontal plane.
3. An incinerator flue structure according to claim 1 wherein said deflector is inclined and the end of said deflector adjacent the centrifugal flue is directed towards the curved side wall.
4. An incinerator flue structure according to claim 1 wherein a water cooled wall is provided on the side wall of said transition flue.
5. An incinerator flue structure as claimed in claim 1 wherein the spacing between the lance and the bottom of the spray flue is 30 cm.
6. The incinerator flue structure according to claim 1, wherein said first discharge port has a level equal to a level of a lowest point of said arc-shaped side wall, and said first discharge port has a trumpet-shaped configuration.
7. The incinerator flue structure according to claim 1, wherein said first discharge port and said second discharge port are each provided with a scraper plate.
Priority Applications (1)
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CN202121238019.1U CN215489758U (en) | 2021-06-03 | 2021-06-03 | Flue structure of incinerator |
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CN202121238019.1U CN215489758U (en) | 2021-06-03 | 2021-06-03 | Flue structure of incinerator |
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CN215489758U true CN215489758U (en) | 2022-01-11 |
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CN202121238019.1U Active CN215489758U (en) | 2021-06-03 | 2021-06-03 | Flue structure of incinerator |
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2021
- 2021-06-03 CN CN202121238019.1U patent/CN215489758U/en active Active
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