CN210107413U - Burn burning furnace smoke and dust deNOx systems - Google Patents
Burn burning furnace smoke and dust deNOx systems Download PDFInfo
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- CN210107413U CN210107413U CN201920776154.8U CN201920776154U CN210107413U CN 210107413 U CN210107413 U CN 210107413U CN 201920776154 U CN201920776154 U CN 201920776154U CN 210107413 U CN210107413 U CN 210107413U
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Abstract
The utility model discloses an burn burning furnace smoke and dust deNOx systems, including burning furnace, gas collecting channel, first pipeline, cooling device, powder injection apparatus, active carbon injection apparatus, dust remover and SCR denitrification facility, the cross section of first pipeline is for corresponding many lamella body structures, and the quantity of the lamella body is the same with the quantity of the second venthole of gas collecting channel, and the inner wall of the lamella body forms the outer wall shape of air guide groove, the lamella bodyForming a cooling groove, wherein a first end of each air guide groove is provided with a first air inlet hole butted with the second air outlet hole, a second end of each air guide groove is provided with a third air outlet hole, the cooling device comprises a condensed liquid pipe which is clamped between the outer walls of each group of adjacent valve bodies and extends along the length direction of the first pipeline, and the powder injection device is used for injecting NaHCO into the first pipeline3The active carbon injection device injects active carbon particles into the first pipeline; and two ends of the dust remover are respectively connected with the third air outlet and the SCR denitration device. The utility model discloses the pollution degree after will burning is showing and is reducing.
Description
Technical Field
The utility model relates to a flue gas purification technical field, concretely relates to burn burning furnace smoke and dust deNOx systems.
Background
The incinerator can produce a large amount of smoke and dust in the incineration process, the smoke and dust not only contains higher heat, but also contains a large amount of components which can harm human bodies and animals, and the smoke and dust needs to be cooled, denitrated, dedusted and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides an burn burning furnace smoke and dust deNOx systems to solve among the prior art smoke and dust and pollute great, the higher problem that still deposits the toxic material of temperature.
The utility model provides an burn burning furnace smoke and dust deNOx systems, is including burning furnace, gas collecting channel, first pipeline, cooling device, powder injection apparatus, active carbon injection apparatus, dust remover and SCR denitrification facility, wherein:
the top of the incinerator is provided with a first air outlet;
the air inlet end of the air collecting hood is communicated with the first air outlet hole, and the air outlet end of the air collecting hood is provided with a plurality of second air outlet holes which are annularly arranged;
the cross section of the first pipeline is of a corresponding multi-valve structure, the number of the valve bodies is the same as that of the second air outlet holes, an air guide groove is formed in the inner wall of each valve body, a cooling groove is formed in the outer wall of each valve body, a first air inlet hole which is in butt joint with the second air outlet holes is formed in the first end of each air guide groove, and a third air outlet hole is formed in the second end of each air guide groove;
the cooling device comprises a condensed liquid pipe which is clamped between the outer walls of each group of adjacent petals and extends along the length direction of the first pipeline;
the powder injection device is used for injecting compressed air and NaHCO into the first pipeline3The number of the spraying ends of the powder spraying device is the same as that of the air guide grooves, and one spraying end is connected in each air guide groove;
the activated carbon injection device is arranged on the rear side of the powder injection device along the gas transmission direction of the first pipeline so as to inject compressed air and activated carbon particles into the first pipeline;
and the air inlet end of the dust remover is communicated with the third air outlet hole, and the air outlet end of the dust remover is connected with the air inlet end of the SCR denitration device.
The utility model has the advantages that: the smoke dust generated after incineration reaches the gas collecting hood through the first gas outlet hole, gathers and then is discharged through the plurality of gas outlet holes at the gas outlet end of the gas collecting hood, namely the smoke dust discharged by the gas collecting hood is a plurality of annular gas flows, the first pipeline is of a multi-petal structure, each smoke dust gas flow moves along the gas guide groove of the first pipeline, a cooling liquid pipe of the cooling device is paved along the outer wall of the first pipeline, the condensation liquid can not pollute the condensation liquid and can not react with the smoke dust, meanwhile, the powder injection device injects sodium bicarbonate powder to each gas guide groove in the first pipeline 3 to fully neutralize acid gas in the gas flow, and then the activated carbon injection device is used for absorbing dioxin and heavy metal pollutants in the gas flow.
Drawings
FIG. 1 is a schematic diagram of a system architecture of an embodiment of an incinerator flue dust denitration system provided by the present invention;
fig. 2 is an axial schematic view of the first conduit 3 of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Please refer to fig. 1-2, the utility model provides an incinerator smoke denitration system for the smoke that burns the burning production to the incinerator is handled.
Burn burning furnace smoke and dust deNOx systems and include that burn burning furnace 1, gas collecting channel 2, first pipeline 3, cooling device 4, powder injection apparatus 5, active carbon injection apparatus 6, dust remover 7 and SCR denitrification facility 8, wherein:
the top of the incinerator 1 is provided with a first air outlet;
the air inlet end of the gas collecting hood 2 is communicated with the first air outlet hole, the gas collecting hood 2 collects smoke generated by the incinerator 1, and the air outlet end of the gas collecting hood 2 is provided with a plurality of second air outlet holes which are annularly arranged;
the cross section of the first pipeline 3 is of a corresponding multi-petal structure, the number of the petals is the same as that of the second air outlet holes, air guide grooves 31 are formed in the inner walls of the petals, cooling grooves 32 are formed in the outer walls between every two adjacent petals, a first air inlet hole 3A which is in butt joint with the second air outlet holes is formed in the first end of each air guide groove 31, and a third air outlet hole 3B is formed in the second end of each air guide groove 31;
the cooling device 4 comprises a condensate pipe 41 which is clamped between the outer walls of each group of adjacent petals and extends along the length direction of the first pipeline 3;
the powder injection device 5 is used for injecting compressed air and NaHCO into the first pipeline 33The number of the spraying ends of the powder spraying device 5 is the same as that of the air guide grooves 31, and each air guide groove 31 is provided with one spraying end;
the activated carbon injection device 6 is arranged at the rear side of the powder injection device 5 along the gas transmission direction of the first pipeline 3 to inject compressed air and activated carbon particles into the first pipeline 3;
the air inlet end of the dust remover 7 is communicated with the third air outlet hole 3B of the first pipeline 3, and the air outlet end of the dust remover 7 is connected with the air inlet end of the SCR denitration device 8.
The denitration system for smoke dust of an incinerator according to the embodiment is incinerated in the incinerator, the smoke dust generated after incineration reaches the gas collecting hood 2 through the first gas outlet hole, is gathered and then is exhausted through the plurality of gas outlet holes at the gas outlet end of the gas collecting hood 2, namely, the smoke dust exhausted from the gas collecting hood 2 is a plurality of annular gas flows at the moment, the first pipeline 3 is in a multi-petal structure, each smoke dust gas flow moves along the gas guide groove 31 of the first pipeline 3, the condensed liquid pipe 41 of the cooling device 4 is laid along the outer wall of the first pipeline 3, so that the condensed liquid is not polluted and the smoke dust does not react with the condensed liquid pipe 41, meanwhile, the powder injection device injects sodium bicarbonate powder to each gas guide groove 31 in the first pipeline 3 for fully neutralizing the acid gas in the gas flow, then, the activated carbon injection device 5 is used for absorbing dioxin and heavy metal pollutants in the gas flow, and finally the dust is removed through the dust remover, the gas stream is denitrated in the SCR denitration device 8 and then discharged.
Furthermore, the inner diameter of the gas collecting hood is uniformly reduced from the gas inlet end to the gas outlet end, so that the gas has higher pressure when going out of the gas collecting hood.
Furthermore, the inside multilayer filter screen that is equipped with of gas collecting channel to filter the large granule that the particle size range is more than 3 mm.
Further, the first duct 3 is not limited to have 5 to 10 lobes, preferably 8 lobes, with the central axes of adjacent lobes being spaced 45 ° apart.
Further, the air guide groove 31 and the cooling groove 32 each extend in the axial direction of the first duct 3.
Further, the cooling device 4 further comprises a cold water tank and a circulating pump, wherein the water inlet end of the cold liquid pipe 41 is connected with the circulating pump to feed water from the cold water tank, and the water outlet end of the cold liquid pipe 41 is connected with the cold water tank.
The powder injection device 5 comprises a powder box 51, an air amplifier 52 and a powder output pipeline 53, wherein two ends of the air amplifier 52 are respectively connected with the powder box 51 and the powder output pipeline 53, the air amplifier 52 forms negative pressure and pumps powder in the powder box 51 into the powder output pipeline 53, and a plurality of injection ends of the powder output pipeline 53 are respectively and correspondingly connected in each air guide groove 31.
Preferably, the spraying end of the powder output pipeline 53 is spirally arranged along the length direction of the first pipeline 3, that is, the axial projection of the spraying end on the first pipeline 3 is a plurality of points which are arranged at intervals, so that a rotational flow is formed in the air guide groove 31 when the powder is output, and the reaction effect is enhanced.
The activated carbon spraying device 6 comprises an activated carbon cartridge 51 and a conduit connected to the inside of the first pipe, on which a controllable solenoid valve is provided.
Further, the dust collector 7 is preferably a bag-type dust collector.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides an burn burning furnace smoke and dust deNOx systems, its characterized in that, is including burning furnace, gas collecting channel, first pipeline, cooling device, powder injection apparatus, active carbon injection apparatus, dust remover and SCR denitrification facility, wherein:
the top of the incinerator is provided with a first air outlet;
the air inlet end of the air collecting hood is communicated with the first air outlet hole, and the air outlet end of the air collecting hood is provided with a plurality of second air outlet holes which are annularly arranged;
the cross section of the first pipeline is of a corresponding multi-petal structure, the number of the petal bodies is the same as that of the second air outlet holes, air guide grooves are formed in the inner walls of the petal bodies, cooling grooves are formed in the outer walls of two adjacent petal bodies, a first air inlet hole which is in butt joint with the second air outlet hole is formed in the first end of each air guide groove, and a third air outlet hole is formed in the second end of each air guide groove;
the cooling device comprises a condensed liquid pipe which is clamped between the outer walls of each group of adjacent petals and extends along the length direction of the first pipeline;
the powder material is sprayed and loadedIs arranged for injecting compressed air and NaHCO into the first pipeline3The number of the spraying ends of the powder spraying device is the same as that of the air guide grooves, and one spraying end is connected in each air guide groove;
the activated carbon injection device is arranged on the rear side of the powder injection device along the gas transmission direction of the first pipeline so as to inject compressed air and activated carbon particles into the first pipeline;
and the air inlet end of the dust remover is communicated with the third air outlet hole, and the air outlet end of the dust remover is connected with the air inlet end of the SCR denitration device.
2. The incinerator flue gas denitration system of claim 1, wherein the inner diameter of said gas collecting channel decreases uniformly from the gas inlet end to the gas outlet end.
3. The incinerator flue gas denitration system as set forth in claim 2, wherein said gas-collecting hood is provided with a plurality of layers of screens therein for filtering large particles having a particle size range of 3mm or more.
4. The incinerator smoke denitration system according to any one of claims 1 to 3, wherein said air guide groove and said cooling groove each extend in the axial direction of said first duct.
5. The denitration system for incinerator flue dust according to claim 4, wherein said powder injection means comprises a powder box, an air amplifier and a powder output pipeline, both ends of said air amplifier are respectively connected to said powder box and said powder output pipeline, and said injection end of said powder output pipeline is plural and respectively connected to each of said air guide grooves.
6. The incinerator flue dust denitration system of claim 5, wherein said powder discharge duct has a spray end arranged spirally along a length direction of said first duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776154.8U CN210107413U (en) | 2019-05-27 | 2019-05-27 | Burn burning furnace smoke and dust deNOx systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776154.8U CN210107413U (en) | 2019-05-27 | 2019-05-27 | Burn burning furnace smoke and dust deNOx systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210107413U true CN210107413U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920776154.8U Active CN210107413U (en) | 2019-05-27 | 2019-05-27 | Burn burning furnace smoke and dust deNOx systems |
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| Country | Link |
|---|---|
| CN (1) | CN210107413U (en) |
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2019
- 2019-05-27 CN CN201920776154.8U patent/CN210107413U/en active Active
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