CN220250050U - Anthracite boiler with water-cooling cyclone separator - Google Patents
Anthracite boiler with water-cooling cyclone separator Download PDFInfo
- Publication number
- CN220250050U CN220250050U CN202321959879.3U CN202321959879U CN220250050U CN 220250050 U CN220250050 U CN 220250050U CN 202321959879 U CN202321959879 U CN 202321959879U CN 220250050 U CN220250050 U CN 220250050U
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- Prior art keywords
- outlet
- cyclone separator
- water
- communicated
- boiler
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- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000003830 anthracite Substances 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 title claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003546 flue gas Substances 0.000 claims abstract description 27
- 239000000779 smoke Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000002893 slag Substances 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 3
- 239000003245 coal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model relates to the technical field of boilers, and provides an anthracite boiler with a water-cooling cyclone separator, which comprises a boiler body, and further comprises the water-cooling cyclone separator, a return material vertical pipe, an outlet flue and a convection tube bundle, wherein an inlet of the water-cooling cyclone separator is communicated with a smoke outlet of the boiler body, a first end of the return material vertical pipe is communicated with a solid outlet of the water-cooling cyclone separator, a second end of the return material vertical pipe is communicated with the interior of the boiler body, a first end of the outlet flue is communicated with a gas outlet of the water-cooling cyclone separator, a second end of the outlet flue is a free end, and the convection tube bundle is fixedly arranged on the inner wall of the outlet flue. According to the anthracite boiler with the water-cooling cyclone separator, unburned carbon particle ash in the flue gas is gathered by the water cyclone separator and is sent back to the boiler body through the return vertical pipe to continue burning, so that the combustion is more sufficient, and the phenomenon of ash accumulation and slag formation of the flue gas at a flue gas outlet and a convection tube bundle can be avoided.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to an anthracite boiler with a water-cooling cyclone separator.
Background
Anthracite (english name) commonly known as white or red coal is the most coalized coal. Black, hard and metallic luster. The grease friction is used to prevent pollution, the fracture is conchioidal, and the flame is short and less smoke is generated during combustion.
Anthracite has high fixed carbon content, is not easy to burn out, is insufficient in combustion and low in volatile component yield, and when the anthracite is combusted in a boiler, the phenomenon of ash accumulation and slag formation easily occurs on a smoke outlet and a convection tube bundle in the flue gas, so that the normal operation of the boiler is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an anthracite boiler with a water-cooling cyclone separator, which can avoid the phenomena of dust accumulation and slag formation on a smoke outlet and a convection tube bundle.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a take water-cooling cyclone's anthracite boiler, includes the boiler body, still includes water-cooling cyclone, feed back riser, export flue and convection bank, water-cooling cyclone's entry with the play flue intercommunication of boiler body, feed back riser's first end with water-cooling cyclone's solid outlet intercommunication, feed back riser's second end with the inside intercommunication of boiler body, export flue's first end with water-cooling cyclone's gas outlet intercommunication, export flue's second end is the free end, convection bank fixed mounting is in on export flue's the inner wall.
Further, a feed back valve is arranged on the feed back vertical pipe.
Further, a superheater is included, an inlet of which communicates with the second end of the outlet flue.
Further, the system also comprises an upper-level economizer, an SCR denitration reactor and a lower-level economizer, wherein the inlet of the upper-level economizer is communicated with the outlet of the superheater, the inlet of the SCR denitration reactor is communicated with the outlet of the upper-level economizer, and the inlet of the lower-level economizer is communicated with the outlet of the SCR denitration reactor.
Further, the flue gas inlet of the air preheater is communicated with the outlet of the SCR denitration reactor, and the primary hot air outlet and the secondary hot air outlet of the air preheater are both communicated with the interior of the boiler body.
Further, an ash bucket is arranged at the outlet of the air preheater.
The utility model has the beneficial effects that: according to the anthracite boiler with the water-cooling cyclone separator, the water cyclone separator is arranged between the smoke outlet of the boiler body and the convection tube bundle, unburned carbon particle ash in smoke is gathered, and the unburned carbon particle ash is returned to the boiler body through the return vertical tube to continue burning, so that the anthracite boiler burns more fully, and therefore the phenomenon of ash accumulation and slag bonding of the smoke at the smoke outlet and the convection tube bundle is avoided, and the normal operation of the boiler is prevented from being influenced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals: the boiler comprises a 10-boiler body, a 20-water-cooling cyclone separator, a 30-return riser, a 31-return valve, a 40-outlet flue, a 50-convection tube bundle, a 60-superheater, a 70-upper-level economizer, a 71-SCR denitration reactor, a 72-lower-level economizer, an 80-air preheater, an 81-primary hot air outlet, an 82-secondary hot air outlet, an 83-primary cold air outlet, an 84-secondary cold air outlet and an 85-ash bucket.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "affixed" and "fixedly attached" are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "horizontal," "top," "bottom," "upper," "lower," "inner" and "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
As shown in FIG. 1, the utility model provides an anthracite boiler with a water-cooling cyclone separator, which comprises a boiler body 10, wherein an ignition device, a slag discharging pipe and a feeding device are arranged at the bottom of the boiler body 10. The foregoing is the prior art, and the specific structure is not described herein.
The utility model also includes a water cooled cyclone 20, a return standpipe 30, an outlet flue 40 and a convection bank 50. The water-cooled cyclone 20 is disposed at the outer side of the boiler body 10, an inlet of the water-cooled cyclone 20 is communicated with a smoke outlet of the boiler body 10, and the water-cooled cyclone 20 has a gas outlet and a solid outlet. The return standpipe 30 is disposed longitudinally, a first end of the return standpipe 30 being in communication with the solids outlet of the water cooled cyclone 20, and a second end of the return standpipe 30 being in communication with the interior of the boiler body 10. The first end of the outlet flue 40 communicates with the gas outlet of the water cooled cyclone 20 and the second end of the outlet flue 40 is the free end. The convection bank 50 is fixedly mounted on the inner wall of the outlet flue 40 in a serpentine arrangement.
The specific operation process of the boiler is as follows; first, the feeding device is started to feed anthracite coal to the bottom of the boiler body 10. Then the ignition device is started, the anthracite coal burns at the bottom of the boiler body 10, the smoke generated in the burning process enters the water-cooled cyclone separator 20 and is discharged into the outlet flue 40 from the gas outlet of the water-cooled cyclone separator 20, and the residues in the burning process are discharged through the slag discharging pipe.
After the flue gas enters the water-cooling cyclone separator 20, unburned carbon particle ash in the flue gas can be gathered and sent back to the boiler body 10 through the return riser 30 to continue burning, so that the combustion is more sufficient, and the phenomenon of ash accumulation and slag bonding of the flue gas at a flue gas outlet and a convection tube bundle 50 can be avoided, and the normal operation of the boiler is prevented from being influenced.
In one embodiment, a return valve 31 is mounted on the return standpipe 30.
In one embodiment, a superheater 60 is also included, with the inlet of the superheater 60 being in communication with the second end of the outlet flue 40. After entering the superheater 60 from the second end of the outlet flue 40, the flue gas is contacted with the heat exchange tubes inside the superheater 60 and then cooled, so that the superheater 60 can absorb heat energy in the flue gas, the temperature of the flue gas is reduced, and the heat energy utilization rate of the flue gas is improved.
In one embodiment, an upper level economizer 70, an SCR denitration reactor 71, and a lower level economizer 72 are also included. An inlet of the upper level economizer 70 is communicated with an outlet of the superheater 60, an inlet of the SCR denitration reactor 71 is communicated with an outlet of the upper level economizer 70, and an inlet of the lower level economizer 72 is communicated with an outlet of the SCR denitration reactor.
The flue gas is discharged from the outlet of the superheater 60, and then enters the upper-stage economizer 70, the SCR denitration reactor 71 and the lower-stage economizer 72. The upper level economizer 70 and the lower level economizer 72 can absorb heat energy in the flue gas, further reduce the temperature of the flue gas and improve the heat energy utilization rate of the flue gas. The SCR denitration reactor 71 can absorb the nitrate in the flue gas, has the effect of purifying the flue gas, and reduces the harm of the flue gas to the environment.
In one embodiment, the flue gas inlet of the air preheater 80 is communicated with the outlet of the SCR denitration reactor 71, the primary hot air outlet 81 and the secondary hot air outlet 82 of the air preheater 80 are both communicated with the interior of the boiler body 10, and the primary cold air inlet and the secondary cold air inlet of the air preheater 80 are both communicated with the outlet of the blower.
The flue gas exiting the SCR denitration reactor 71 enters the air preheater 80. At this time, the blower is started, and the air exhausted from the blower enters the pipeline of the air preheater 80 through the primary hot air inlet 83 and the secondary hot air inlet 84 to absorb the heat in the flue gas, and then enters the boiler body 10 through the primary hot air outlet 81 and the secondary hot air outlet 82 after the air temperature is increased, so that oxygen is provided for the combustion of anthracite coal, and the anthracite coal is combusted more fully.
The design utilizes the waste heat of the flue gas to preheat the air entering the boiler body 10, further reduces the temperature of the flue gas and improves the heat energy utilization rate of the flue gas.
In one embodiment, the outlet of the air preheater 80 is fitted with an ash bucket 85.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Anthracite boiler with water-cooled cyclone separator, comprising boiler body, characterized in that: the boiler comprises a boiler body, and is characterized by further comprising a water-cooling cyclone separator, a return riser, an outlet flue and a convection tube bundle, wherein an inlet of the water-cooling cyclone separator is communicated with a smoke outlet of the boiler body, a first end of the return riser is communicated with a solid outlet of the water-cooling cyclone separator, a second end of the return riser is communicated with the interior of the boiler body, a first end of the outlet flue is communicated with a gas outlet of the water-cooling cyclone separator, a second end of the outlet flue is a free end, and the convection tube bundle is fixedly installed on the inner wall of the outlet flue.
2. An anthracite boiler with water cooled cyclone separator as claimed in claim 1, wherein: and a return valve is arranged on the return vertical pipe.
3. An anthracite boiler with water cooled cyclone separator as claimed in claim 1, wherein: the system further comprises a superheater, wherein an inlet of the superheater is communicated with a second end of the outlet flue.
4. An anthracite boiler with water cooled cyclone separator as claimed in claim 3, wherein: the system also comprises an upper-level economizer, an SCR denitration reactor and a lower-level economizer, wherein the inlet of the upper-level economizer is communicated with the outlet of the superheater, the inlet of the SCR denitration reactor is communicated with the outlet of the upper-level economizer, and the inlet of the lower-level economizer is communicated with the outlet of the SCR denitration reactor.
5. An anthracite boiler with water cooled cyclone separator as claimed in claim 4, wherein: the flue gas inlet of the air preheater is communicated with the outlet of the SCR denitration reactor, and the primary hot air outlet and the secondary hot air outlet of the air preheater are both communicated with the inside of the boiler body.
6. An anthracite boiler with water cooled cyclone separator as claimed in claim 5, wherein: an ash bucket is arranged at the outlet of the air preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959879.3U CN220250050U (en) | 2023-07-25 | 2023-07-25 | Anthracite boiler with water-cooling cyclone separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959879.3U CN220250050U (en) | 2023-07-25 | 2023-07-25 | Anthracite boiler with water-cooling cyclone separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220250050U true CN220250050U (en) | 2023-12-26 |
Family
ID=89233011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321959879.3U Active CN220250050U (en) | 2023-07-25 | 2023-07-25 | Anthracite boiler with water-cooling cyclone separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220250050U (en) |
-
2023
- 2023-07-25 CN CN202321959879.3U patent/CN220250050U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |