CN214370320U - Waste incineration boiler economizer water conservancy diversion structure - Google Patents
Waste incineration boiler economizer water conservancy diversion structure Download PDFInfo
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- CN214370320U CN214370320U CN202120109322.5U CN202120109322U CN214370320U CN 214370320 U CN214370320 U CN 214370320U CN 202120109322 U CN202120109322 U CN 202120109322U CN 214370320 U CN214370320 U CN 214370320U
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- economizer
- guide plate
- calandria
- flue gas
- incineration boiler
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- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model provides a msw incineration boiler economizer water conservancy diversion structure, belongs to msw incineration boiler technical field, this water conservancy diversion structure, including the economizer casing, calandria subassembly and guide plate, the calandria subassembly is provided with the multiunit and arranges from top to bottom along the inside of economizer casing, one section distance of being separated by between calandria subassembly and the economizer casing forms the flue gas passageway respectively all around, the slope guide plate is installed respectively to the windward side of every flue gas passageway upper end, a plurality of slope guide plates enclose into the toper passageway at leading-in calandria subassembly middle part with dusty flue gas, the beneficial effects of the utility model are that, this water conservancy diversion structural design is simple, and the installation is dismantled conveniently, has both reduced the wearing and tearing of dusty flue gas to the calandria, prolongs the live time, reduces explosion pipe leakage accident, guarantees the safe operation of boiler, has improved the waste heat utilization ratio of economizer again.
Description
Technical Field
The utility model relates to a msw incineration boiler technical field especially relates to a msw incineration boiler economizer water conservancy diversion structure.
Background
During the operation of the waste incineration boiler economizer, the dust content of the flue gas entering the economizer is high, the flue gas containing dust can wash the calandria in the economizer obviously, and when fly ash particles carried by the flue gas impact the metal wall surface of the calandria, impact and cutting effects are generated on the metal wall surface to form wear of the calandria. And because the bend section and the front and back sides of the calandria are separated from the furnace wall by a certain distance, when the flue gas carrying fly ash particles passes through the upper part of the calandria, the flow velocity of the flue gas is increased and can even reach 3-4 times of the average flue gas velocity in the flue due to no obstacle between the calandria and the furnace wall, so that the wear rate of the pipeline is dozens of times higher than the average value, and the wear of the bend of the calandria is serious especially. And the heat exchange efficiency after the dusty flue gas gets into the economizer relies on the contact of flue gas and calandria completely to realize, because the distance of being separated by between the both sides and the economizer casing around the calandria is great, leads to a lot of flue gases not have abundant heat exchange then to be blown downwards, in order to improve waste heat utilization ratio, often sets up the multiunit calandria from top to bottom in the economizer, causes the volume increase of economizer, and heat exchange efficiency reduces.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a waste incineration boiler economizer water conservancy diversion structure both can reduce the wearing and tearing of dusty flue gas to the calandria, and increase of service life reduces the pipe explosion leakage accident, guarantees the safe operation of boiler, can also reduce the quantity of calandria, improves the waste heat utilization ratio of economizer.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: waste incineration boiler economizer water conservancy diversion structure, including economizer casing, calandria subassembly and slope guide plate, the calandria subassembly is provided with the multiunit and along the inside of economizer casing from top to bottom arranges, around the calandria subassembly with one section distance of being separated by between the economizer casing forms the flue gas passageway respectively, and the slope guide plate is installed respectively to the windward side of every flue gas passageway upper end, and is a plurality of the slope guide plate encloses into the toper passageway at the leading-in calandria subassembly middle part of dusty flue gas.
Further, the calandria subassembly includes hanging beam and coiled pipe, the hanging beam be provided with a plurality ofly and parallel mount in the economizer casing, the lower extreme installation of hanging beam the coiled pipe.
Furthermore, the inclined guide plate is fixed on the inner side of the economizer shell through a plurality of supporting blocks, and the upper end of the inclined guide plate abuts against the inner side of the economizer shell.
Furthermore, the lower ends of the supporting blocks on the left side and the right side of the coiled pipe abut against the hanging beam, and the bent pipe sections of the coiled pipe are covered by the inclined guide plates on the left side and the right side of the coiled pipe.
Furthermore, the lower ends of the inclined guide plates on the front side and the rear side of the serpentine pipe are separated from the serpentine pipe in the horizontal direction by a certain distance to form a heat exchange space.
Further, the lower end of the inclined guide plate is fixed on the supporting block through a bolt.
Furthermore, an inclined mounting surface is arranged on the outer side of the supporting block, a threaded hole I and a mounting hole which are communicated with each other are formed in the supporting block, the aperture of the threaded hole I is smaller than that of the mounting hole, the central lines of the threaded hole I and the mounting hole are perpendicular to the inclined mounting surface, and the bolt penetrates through the inclined guide plate and the threaded hole I in sequence and then extends into the mounting hole to be fastened and connected with the nut.
Furthermore, a positioning plate is fixed on one side of the lower end of the inclined guide plate, a through hole is formed in the lower end of the inclined guide plate, a threaded hole II communicated with the through hole is formed in the positioning plate, and the bolt penetrates through the through hole and the threaded hole II in sequence and then is positioned on the supporting block.
Furthermore, the lower ends of the flue gas channels on the left side and the right side of the calandria component are provided with the inclined guide plates.
The utility model has the advantages that:
1. the utility model has the advantages that the inclined guide plate is arranged at the upper end of the flue gas channel between the periphery of the calandria component and the economizer shell, so that the dust-containing flue gas can be prevented from scouring the bend section of the calandria component, the abrasion to the weak part of the calandria component is reduced, the service life is prolonged, the pipe explosion leakage accident is reduced, and the safe operation of the boiler is ensured; and a plurality of slope guide plates have enclosed into the toper passageway, make the flue gas fully contact with the calandria subassembly, make fully can carry out the heat exchange between flue gas and the calandria subassembly, have improved waste heat utilization ratio, and then can reduce the quantity of calandria, reduce the volume of economizer.
2. The inclined guide plates on the left side and the right side of the coiled pipe in the utility model are fixed on the inner side of the economizer shell through the supporting blocks, the inclined guide plates are propped against the economizer shell, and the supporting blocks are propped against the hanging beam, so that the installation of the inclined guide plates is firmer; and wherein the slope guide plate passes through bolt threaded connection on the supporting shoe to pass through the nut fastening at the lower extreme of supporting shoe, make the installation and the dismantlement of slope guide plate more convenient, make the structure more stable after the slope guide plate installation moreover.
3. The utility model discloses a flue gas passageway lower extreme in the calandria subassembly left and right sides sets up the slope guide plate, has prevented that the flue gas of below from upwards flowing into the flue gas passageway of the left and right sides and causing the problem of wearing and tearing to the bend section of coiled pipe, has further reduced the wearing and tearing to the weak part of coiled pipe.
To sum up, this water conservancy diversion structural design is simple, and the installation is dismantled conveniently, has both reduced the wearing and tearing of dusty flue gas to the calandria, and the increase of service time reduces the pipe explosion and leaks the accident, guarantees the safe operation of boiler, has improved economizer's waste heat utilization ratio again.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the angled baffle arrangement of FIG. 1;
the labels in the above figures are: 1. the coal economizer comprises an economizer shell, 2 parts of a pipe arranging component, 21 parts of a hanging beam, 22 parts of a coiled pipe, 3 parts of an inclined guide plate, 31 parts of through holes, 4 parts of a flue gas channel, 5 parts of a conical channel, 6 parts of a supporting block, 61 parts of an inclined mounting surface, 62 parts of threaded holes I, 63 parts of mounting holes, 7 parts of bolts, 8 parts of nuts, 9 parts of a positioning plate and 91 parts of threaded holes II.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in fig. 1 and 2, a waste incineration boiler economizer flow guiding structure comprises an economizer casing 1, a calandria assembly 2 and inclined flow guiding plates 3, wherein the calandria assembly 2 is provided with a plurality of groups and is arranged along the interior of the economizer casing 1 from top to bottom, flue gas channels 4 are respectively formed between the periphery of the calandria assembly 2 and the economizer casing 1 at intervals, the inclined flow guiding plates 3 are respectively arranged at the windward side of the upper end of each flue gas channel 4, dust-containing flue gas can be prevented from scouring the bent pipe section of the calandria assembly 2, the abrasion to the weak part of the calandria assembly 2 is reduced, the service life is prolonged, the pipe explosion leakage accident is reduced, the safe operation of the boiler is ensured, and the inclined flow guiding plates 3 surround a conical channel 5 for guiding the dust-containing flue gas into the middle part of the calandria assembly 2, so that the flue gas can be fully contacted with the calandria assembly 2, and the flue gas can fully exchange heat with the calandria assembly 2, the waste heat utilization rate is improved, the number of the exhaust pipes can be reduced, and the size of the economizer is reduced.
Specifically, the pipe discharging assembly 2 comprises a plurality of hanging beams 21 and coiled pipes 22, the hanging beams 21 are arranged in parallel in the economizer casing 1, and the coiled pipes 22 are arranged at the lower ends of the hanging beams 21, so that the coiled pipes 22 are stably positioned.
Specifically, the inclined guide plate 3 is fixed on the inner side of the economizer housing 1 through a plurality of support blocks 6, the support blocks 6 are welded on the inner side of the economizer housing 1, and the upper end of the inclined guide plate 3 abuts against the inner side of the economizer housing 1. The lower ends of the supporting blocks 6 on the left side and the right side of the coiled pipe 22 are abutted against the hanging beam 21, so that the inclined guide plates 3 are more firmly installed, and the bent pipe sections of the coiled pipe 22 are covered by the inclined guide plates 3 on the left side and the right side of the coiled pipe 22, so that the pipe explosion accident caused by repeatedly flushing the bent pipe sections of the coiled pipe 22 by smoke is prevented; the lower ends of the inclined guide plates 3 on the front side and the rear side of the coiled pipe 22 are separated from the coiled pipe 22 in the horizontal direction by a certain distance to form a heat exchange space, so that the flue gas is ensured to fully exchange heat with the coiled pipe 22.
Specifically, the lower extreme of slope guide plate 3 wherein passes through bolt 7 to be fixed on supporting shoe 6, and the concrete structure is: the outside of supporting shoe 6 sets up slope installation face 61, be provided with I62 of screw hole and mounting hole 63 that communicate with each other on the supporting shoe 6, the aperture of screw hole I62 is less than the aperture of mounting hole 63, and the central line of screw hole I62 and mounting hole 63 is perpendicular with slope installation face 61 mutually, bolt 7 passes slope guide plate 3 in proper order, stretch into behind the screw hole I62 in the mounting hole 63 with nut 8 fastening continuous, make nut 8 hide in mounting hole 63, it prevents wind and lead to the not hard up problem of nut to have played the anticollision, it is more firm after 3 installations to make slope guide plate. The lower extreme one side of slope guide plate 3 is fixed with locating plate 9, the lower extreme of slope guide plate 3 is provided with through-hole 31, be provided with on the locating plate 9 with through-hole 31 continuous screw hole II 91, bolt 7 passes through behind the through-hole 31 in proper order and screw hole II 91 screw thread links to each other, then stretch into in the mounting hole 63 with nut 8 fastening link to each other after I62 screw threads link to each other with the screw hole on the supporting shoe 6, locating plate 9 of slope guide plate 3 lower extreme has prevented that bolt 7 from producing not hard up problem, the stability of slope guide plate 3 installation has further been improved.
In addition, the lower ends of the flue gas channels 4 at the left side and the right side of the calandria component 2 are provided with the inclined guide plates 3, so that the problem that the flue gas at the lower part flows upwards into the flue gas channels 4 at the left side and the right side to cause abrasion to the bent pipe sections of the coiled pipe 22 is solved, and the abrasion to the weak parts of the coiled pipe 22 is further reduced.
To sum up, this water conservancy diversion structural design is simple, and the installation is dismantled conveniently, has both reduced the wearing and tearing of dusty flue gas to the calandria, and the increase of service time reduces the pipe explosion and leaks the accident, guarantees the safe operation of boiler, has improved economizer's waste heat utilization ratio again.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (9)
1. The utility model provides a msw incineration boiler economizer water conservancy diversion structure, a serial communication port, including economizer casing (1), calandria subassembly (2) and slope guide plate (3), calandria subassembly (2) are provided with the multiunit and along the inside of economizer casing (1) from top to bottom arranges, around calandria subassembly (2) with one section distance of being separated by between economizer casing (1) forms flue gas passageway (4) respectively, and slope guide plate (3) are installed respectively to the windward side of every flue gas passageway (4) upper end, and is a plurality of slope guide plate (3) enclose into toper passageway (5) at the middle part of leading-in calandria subassembly (2) of dusty flue gas.
2. The waste incineration boiler economizer flow guiding structure of claim 1, wherein: calandria subassembly (2) is including hanging beam (21) and coiled pipe (22), hanging beam (21) are provided with a plurality ofly and parallel mount and are in economizer casing (1), the lower extreme installation of hanging beam (21) coiled pipe (22).
3. The waste incineration boiler economizer flow guiding structure of claim 2, wherein: the inclined guide plate (3) is fixed on the inner side of the economizer shell (1) through a plurality of supporting blocks (6), and the upper end of the inclined guide plate (3) abuts against the inner side of the economizer shell (1).
4. The waste incineration boiler economizer flow guiding structure of claim 3, wherein: the lower ends of the supporting blocks (6) on the left side and the right side of the coiled pipe (22) are abutted against the hanging beam (21), and the bent pipe sections of the coiled pipe (22) are covered by the inclined guide plates (3) on the left side and the right side of the coiled pipe (22).
5. The waste incineration boiler economizer flow guiding structure of claim 3, wherein: the lower ends of the inclined guide plates (3) on the front side and the rear side of the coiled pipe (22) are separated from the coiled pipe (22) in a horizontal direction by a certain distance to form a heat exchange space.
6. The waste incineration boiler economizer flow guiding structure according to any one of claims 3 to 5, characterized in that: the lower end of the inclined guide plate (3) is fixed on the supporting block (6) through a bolt (7).
7. The waste incineration boiler economizer flow guiding structure of claim 6, wherein: the outer side of the supporting block (6) is provided with an inclined mounting surface (61), the supporting block (6) is provided with a threaded hole I (62) and a mounting hole (63) which are communicated with each other, the aperture of the threaded hole I (62) is smaller than that of the mounting hole (63), the central lines of the threaded hole I (62) and the mounting hole (63) are perpendicular to the inclined mounting surface (61), and the bolt (7) sequentially penetrates through the inclined guide plate (3) and the threaded hole I (62) and then extends into the mounting hole (63) to be fastened and connected with the nut (8).
8. The waste incineration boiler economizer flow guiding structure of claim 6, wherein: one side of the lower end of the inclined guide plate (3) is fixedly provided with a positioning plate (9), the lower end of the inclined guide plate (3) is provided with a through hole (31), a threaded hole II (91) communicated with the through hole (31) is formed in the positioning plate (9), and the bolt (7) penetrates through the through hole (31) and the threaded hole II (91) in sequence and then is positioned on the supporting block (6).
9. The waste incineration boiler economizer flow guiding structure of claim 6, wherein: the lower ends of the flue gas channels (4) at the left side and the right side of the calandria component (2) are provided with the inclined guide plates (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120109322.5U CN214370320U (en) | 2021-01-15 | 2021-01-15 | Waste incineration boiler economizer water conservancy diversion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120109322.5U CN214370320U (en) | 2021-01-15 | 2021-01-15 | Waste incineration boiler economizer water conservancy diversion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214370320U true CN214370320U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120109322.5U Active CN214370320U (en) | 2021-01-15 | 2021-01-15 | Waste incineration boiler economizer water conservancy diversion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214370320U (en) |
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2021
- 2021-01-15 CN CN202120109322.5U patent/CN214370320U/en active Active
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