CN116333787A - Quick-opening inspection channel of gasification furnace - Google Patents
Quick-opening inspection channel of gasification furnace Download PDFInfo
- Publication number
- CN116333787A CN116333787A CN202310626966.5A CN202310626966A CN116333787A CN 116333787 A CN116333787 A CN 116333787A CN 202310626966 A CN202310626966 A CN 202310626966A CN 116333787 A CN116333787 A CN 116333787A
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- Prior art keywords
- gasifier
- main body
- quick
- shell ring
- inspection channel
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- 238000007689 inspection Methods 0.000 title claims abstract description 49
- 238000002309 gasification Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- 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
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Abstract
The application relates to a gasifier quick-opening inspection channel. This gasifier opens inspection channel soon includes: the gasification furnace comprises a shell ring assembly inserted into a gasification furnace sealing baffle plate, a flat cover assembly positioned above the shell ring assembly and a fastening assembly used for fastening the shell ring assembly and the flat cover assembly; the gasifier sealing baffle is in sealing welding connection with the inner wall of the gasifier, and divides the gasifier into two chambers; the shell ring assembly comprises a shell ring main body and a fixed support lug, the lower end of the shell ring main body is connected with the gasification furnace sealing partition plate in an inserted welding way, and the upper end face of the shell ring main body is provided with an annular groove; the flat cover assembly comprises a flat cover main body, a handle and a connecting lug plate, wherein an annular boss matched with the annular groove is arranged on the lower end face of the flat cover main body, the handle is welded above the flat cover main body, and the connecting lug plate is welded on the side wall of the flat cover main body; the fastening assembly fastens the shell ring assembly and the flat cover assembly together. The gasifier quick-opening inspection channel is simple in structure and good in sealing effect.
Description
Technical Field
The application relates to the technical field of gasifier accessories, in particular to a gasifier quick-opening inspection channel.
Background
The gasifier interior typically includes a combustion chamber and a waste boiler chamber (or quench chamber) separated by a sealing partition. When the operation condition of the waste boiler chamber inner part needs to be overhauled through the combustion chamber, an overhauling staff usually temporarily opens an inspection channel on the sealing partition plate and seals the waste boiler chamber inner part after overhauling. However, temporarily opening the inspection channel takes a long time and may cause dust and gas-liquid from the waste pan chamber to enter the combustion chamber during the maintenance process to cause corrosion to the internal parts, and the sealing effect after the maintenance is often inferior to that before the maintenance.
Therefore, how to provide a gasifier inspection channel which is convenient for the maintainer to pass through quickly and has good sealing effect is a problem to be solved urgently by the skilled person.
Disclosure of Invention
In view of this, this application provides one kind and offers the inspection passageway between gasifier combustion chamber and useless pot room, and its simple structure, switching are swift and sealed effectual, and the staff of being convenient for overhauls the useless pot indoor part of gasifier fast.
To achieve the above object, the present application provides a gasifier quick-open inspection channel, including: the gasification furnace comprises a shell ring assembly inserted into a gasification furnace sealing baffle plate, a flat cover assembly positioned above the shell ring assembly and a fastening assembly used for fastening the shell ring assembly and the flat cover assembly; wherein: the gasifier sealing baffle is in sealing welding connection with the inner wall of the gasifier, and divides the gasifier into two chambers; the shell ring assembly comprises a shell ring main body and a fixed support lug, wherein the lower end of the shell ring main body is connected with the gasifier sealing partition plate in an inserted welding manner, the upper end surface of the shell ring main body is provided with an annular groove, the fixed support lug is welded on the upper part of the outer wall of the shell ring main body, and the fixed support lug is provided with a fixed support lug opening for installing the fastening assembly; the flat cover assembly comprises a flat cover main body, a handle and a connecting lug plate, wherein an annular boss matched with the annular groove is arranged on the lower end face of the flat cover main body, the handle is welded above the flat cover main body, the connecting lug plate is welded on the side wall of the flat cover main body, the connecting lug plate is matched with the fixed lug, and a connecting lug plate opening matched with the fixed lug opening is formed in the connecting lug plate; and the fastening component fastens the shell ring component and the flat cover component together through the fixing lug opening and the connecting lug plate opening.
Optionally, the fixing lug opening and the connecting lug plate opening are both oblong openings which are open outwards; the fastening assembly comprises a pin shaft, a movable joint bolt and a handle locking nut, wherein the pin shaft penetrates through an eyelet of the movable joint bolt and connects the movable joint bolt to the fixed support lug, the movable joint bolt can rotate into an opening of the connecting lug plate by taking the eyelet as an axis, and the handle locking nut is matched with the movable joint bolt above the connecting lug plate for fixing the movable joint bolt.
Optionally, a sealing gasket is further arranged between the annular groove and the annular boss.
Optionally, the annular boss has a height of 10-15 mm and a thickness of 16-20 mm; the depth of the annular groove is 8-12 mm, and the width is 17-22 mm.
Optionally, the spacing between the annular boss and the annular groove sidewall is 0.5-1 mm.
Optionally, the gasket has a thickness of 3-4 a mm a.
Optionally, the shell ring main body comprises a shell ring main body upper part and a shell ring main body lower part, the annular groove is positioned at the shell ring main body upper part, and the inner diameter of the shell ring main body upper part is smaller than the inner diameter of the shell ring main body lower part.
Optionally, the upper portion of the shell ring body has an inner diameter no less than 400 mm.
Optionally, the upper section of the shell body and the lower section of the shell body are integrally formed.
Optionally, the fixing lugs, the connecting lugs and the fastening components are all even in number and symmetrically arranged around the gasifier quick-opening inspection channel.
Compared with the prior art, the gasifier quick-opening inspection channel provided by the application has the following beneficial effects:
(1) Compared with the method for temporarily opening and sealing the inspection channel, the gasifier quick-opening inspection channel provided by the application is convenient to open and close, can be reused, and is convenient for workers to overhaul the waste boiler indoor parts in a plurality of periods;
(2) The gasifier quick-opening inspection channel provided by the application can be provided with an annular sealing structure comprising a sealing gasket, has a simple structure and a good sealing effect, and avoids the condition that dust and gas and liquid from a waste boiler chamber enter a combustion chamber in the overhaul process so as to corrode components in the combustion chamber; and
(3) The utility model provides a gasifier quick-opening inspection channel can have the fastening assembly that includes round pin axle, movable joint bolt and handle lock nut, and wherein the movable joint bolt is connected to the shell ring subassembly via the round pin axle, only need unscrew or screw in handle lock nut can accomplish the opening or the closure of inspection channel during the maintenance, and the staff of being convenient for overhauls the useless pot indoor part of gasifier fast.
Drawings
In order to more clearly illustrate the technical solutions of the present application, embodiments of the present application will be further illustrated and described according to the following drawings, which are only used to more conveniently and specifically describe embodiments of the present application and are not limiting of the present application.
FIG. 1 is a front view cross-sectional illustration of a gasifier quick-open inspection channel provided in accordance with an exemplary embodiment of the present application; and
fig. 2 is a schematic top view of a gasifier quick-open inspection channel provided according to an exemplary embodiment of the present application.
In the figure: the gasification furnace comprises a shell ring main body 1, a fixed lug 2, a flat cover main body 3, a handle 4, a connecting lug plate 5, a pin shaft 6, a movable joint bolt 7, a handle lock nut 8, a sealing gasket 9, a gasification furnace sealing partition plate 10, a combustion chamber 11 and a waste pot chamber 12.
Detailed Description
The maintenance of the waste boiler chamber internal parts of the gasification furnace needs to be provided with an inspection channel on the sealing baffle plate so as to facilitate the rapid passing of the ring cavity operators between the waste boiler chamber internal parts and the gasification furnace shell. Therefore, the application provides a gasifier quick-opening inspection channel which is simple in structure, quick to open and close and good in sealing effect, sealing between a combustion chamber and a waste boiler chamber is not affected, the problem that dust and gas-liquid enter the combustion chamber to corrode internal parts is avoided, and the problem of quick overhaul and passing is solved.
The following detailed description of the present application will be made with reference to the accompanying drawings. These embodiments are provided by way of example only, and all other embodiments that would be obtained by one skilled in the art without making inventive efforts are intended to fall within the scope of what is claimed herein.
Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a front view of a gasifier quick-opening inspection channel provided according to an exemplary embodiment of the present application, and fig. 2 is a schematic top view of the gasifier quick-opening inspection channel provided according to an exemplary embodiment of the present application (handle 4 is not shown). As shown in fig. 1 and 2, in a preferred embodiment of the present application, the gasifier quick-open inspection channel may include: a shell ring assembly inserted into the gasification furnace sealing baffle plate 10, a flat cover assembly positioned above the shell ring assembly and a fastening assembly used for fastening the shell ring assembly and the flat cover assembly; wherein: the gasifier sealing baffle 10 is in sealing welding connection with the inner wall of the gasifier, and divides the gasifier into two chambers, namely a combustion chamber 11 and a waste boiler chamber 12; the shell ring assembly comprises a shell ring main body 1 and a fixing support lug 2, wherein the lower end of the shell ring main body 1 is connected with a gasifier sealing baffle 10 in a plug-in welding way, the lower end of the shell ring main body 1 is flush with the lower end of the gasifier sealing baffle 10, an annular groove is formed in the upper end face of the shell ring main body 1, the fixing support lug 2 is welded to the upper part of the outer wall of the shell ring main body 1, and a fixing support lug opening for installing a fastening assembly is formed in the fixing support lug 2; the flat cover assembly comprises a flat cover main body 3, a handle 4 and a connecting lug plate 5, wherein an annular boss matched with an annular groove is arranged on the lower end face of the flat cover main body 3, the handle 4 is welded above the flat cover main body 3, workers lift and put down the flat cover main body 3 in the process of maintenance conveniently, the connecting lug plate 5 is welded on the side wall of the flat cover main body 3, the connecting lug plate 5 is matched with the fixed support lug 2, and a connecting lug plate opening matched with the fixed support lug opening is formed in the connecting lug plate 5; when the flat cover assembly is covered on the shell ring assembly, the annular boss is placed in the annular groove and contacts up and down to form an annular sealing structure, preventing solid, liquid and gas exchange between the combustion chamber 11 and the waste boiler chamber 12. Further, the fastening assembly fastens the shell ring assembly and the flat cover assembly together through the fixing lug openings and the connecting lug plate openings to form a more stable sealing structure.
In a preferred embodiment of the present application, as shown in fig. 1 and 2, the fixing lug opening and the connecting lug opening are both oblong openings which are open outwards; and the fastening assembly comprises a pin 6, a swing bolt 7 and a handle lock nut 8, the pin 6 passing through the eyelet of the swing bolt 7 and connecting the swing bolt 7 to the fixing lug 2. When the fastening assembly is installed, the swing bolt 7 can be pivoted into the opening of the connecting lug plate by the eyelet, and the handle lock nut 8 is matched with the swing bolt 7 above the connecting lug plate 5 for fixing the swing bolt 7; when the fastening assembly is removed, the articulation bolt 7 is still rotated about the eyelet into the fixing lug opening and naturally hangs down. The movable joint bolt 7 is connected to the fixed support lug 2 via the pin shaft 6, so that the movable joint bolt 7 is not required to be detached from the fastening assembly all the time as a scattered part in the whole overhaul process, the problems that the scattered part is inconvenient to place, easy to lose and the like in the overhaul process are avoided, in a preferred embodiment of the present application, the handle lock nut 8 can also be connected to the flat cover main body 3 via a movable connecting piece (such as a lock chain, a lifting rope and the like), so that the fastening assembly is integrally used as an accessory always connected with a quick-opening inspection channel of the gasifier in the overhaul process, and the problems of storing and searching the scattered part are further avoided.
In a preferred embodiment of the present application, a gasket 9 is also provided between the annular groove and the annular boss. The sealing gasket 9 can further enhance the sealing effect and avoid gas-liquid exchange caused by the fact that the annular groove is not tightly attached to the annular boss. In addition, the sealing gasket 9 also serves as a buffer device between the annular groove and the annular boss, so that abrasion or cracking caused by direct contact between the annular groove and the annular boss during opening and closing of the gasifier quick-opening inspection channel is avoided, and the service life of the gasifier quick-opening inspection channel is prolonged. In a preferred embodiment of the present application, the height and thickness of the annular boss should be reasonably set so that the overall weight can be reduced as much as possible while the sealing effect can be secured so that the worker can easily lift the flat cover assembly. In a preferred embodiment of the present application, the annular boss may have a height of 10-15 a mm a thickness of 16-20 a mm a; correspondingly, the annular groove has a depth of 8-12 mm and a width of 17-22 mm. The height of the annular boss is slightly different from the depth of the annular groove for reserving the space where the gasket 9 exists. The thickness of the sealing gasket 9 can be reasonably set according to the height of the annular boss and the depth of the annular groove, for example, in the embodiment, the thickness of the sealing gasket 9 can be set to 3-4 mm, so that the sealing gasket 9 is ensured to be in contact with both the annular boss and the annular groove, and certain deformation exists in the sealing gasket 9, thereby ensuring the sealing effect. In a preferred embodiment of the present application, a certain space should be reserved between the annular boss and the side wall of the annular groove, and collision between the annular boss and the annular groove should be avoided as much as possible during the process of disassembling the shell ring assembly and the flat cover assembly. For example, in the above embodiment, the interval between the annular boss and the annular groove side wall may be 0.5 to 1 mm, which may be reasonably set based on the thickness of the annular boss and the annular groove, with the aim of avoiding contact of the annular boss with the annular groove side wall while improving sealability. In one embodiment of the present application, the annular boss has a height of 14 mm and a thickness of 18 mm, the annular groove has a depth of 11 mm and a width of 20 mm, the annular boss is spaced from the side wall of the annular groove by 1 mm, and the gasket 9 has a thickness of 4 mm.
In a preferred embodiment of the present application, the shell body 1 comprises a shell body upper portion and a shell body lower portion, the annular groove being located in the shell body upper portion, the shell body upper portion having an inner diameter smaller than the shell body lower portion, in order to reduce the material required for manufacturing the shell body 1 and to reduce the weight of the shell body 1. In a preferred embodiment of the present application, the upper portion of the shell ring body has an inside diameter of not less than 400 a mm a to facilitate the quick opening of the inspection passage by an inspection personnel through the gasifier. For example, the upper portion of the shell ring body can have an inner diameter of 400 mm, 450 mm, 500 mm, 550 mm, or 600 mm. It will be appreciated by those skilled in the art that when the inner diameter of the upper section of the shell body meets traffic demand, the lower section of the shell body, which is larger than the inner diameter of the upper section of the shell body, does not interfere with traffic. In another alternative embodiment of the present application, the upper section of the shell body and the lower section of the shell body can have the same inner diameter. In a preferred embodiment of the present application, the upper section of the shell body and the lower section of the shell body are integrally formed, and the integrally formed structure is more stable and has fewer defects. In an alternative embodiment of the present application, the upper section body portion and the lower section body portion may be joined by welding to form the entire section body 1 in such a manner as to facilitate the stepwise assembly of the components when installing the gasifier quick-open inspection channel.
In a preferred embodiment of the present application, the fixing lugs 2, the connecting lugs 5 and the fastening assembly are all of an even number and are symmetrically arranged around the gasifier quick-opening inspection channel. For example, the gasifier quick-opening inspection channel may comprise two fixing lugs 2, two connecting lug plates 5 and two fastening components, which are symmetrically arranged at both ends of the gasifier quick-opening inspection channel to provide fastening structures.
It is to be understood that the devices and/or structures of the various embodiments provided in this application may be combined, modified and/or altered to form new solutions. Such solutions should also be included within the scope of the protection claimed in the present application without inventive effort.
Numerous specific examples are provided in the embodiments provided herein, with the understanding that these examples are set forth merely to illustrate embodiments of the present application in detail and are not limiting of the present application. Embodiments in this application may be practiced without these specific examples. Structures and/or techniques well known to those skilled in the art have not been shown in detail in some embodiments so as not to obscure an understanding of this application.
Although preferred embodiments of the present application have been shown and described herein, it will be readily understood by those skilled in the art that these embodiments are provided by way of example only. Numerous variations, changes, and substitutions will now occur to those skilled in the art without departing from the application. It should be understood that various alternatives to the embodiments of the present application described herein are optionally employed in practicing the present application. It is intended that the following claims define the scope of the application and that devices, structures and equivalents within the scope of these claims be covered thereby.
Claims (10)
1. A gasifier quick-open inspection channel, comprising:
a shell ring assembly inserted into a gasification furnace sealing baffle plate (10), a flat cover assembly positioned above the shell ring assembly and a fastening assembly used for fastening the shell ring assembly and the flat cover assembly;
wherein:
the gasifier sealing partition plate (10) is in sealing welding connection with the inner wall of the gasifier, and divides the gasifier into two chambers;
the cylinder section assembly comprises a cylinder section main body (1) and a fixed support lug (2), wherein the lower end of the cylinder section main body (1) is connected with the gasifier sealing partition plate (10) by adopting plug-in welding, the upper end surface of the cylinder section main body (1) is provided with an annular groove, the fixed support lug (2) is welded on the upper part of the outer wall of the cylinder section main body (1), and the fixed support lug (2) is provided with a fixed support lug opening for installing the fastening assembly;
the flat cover assembly comprises a flat cover main body (3), a handle (4) and a connecting lug plate (5), wherein an annular boss matched with the annular groove is arranged on the lower end face of the flat cover main body (3), the handle (4) is welded above the flat cover main body (3), the connecting lug plate (5) is welded on the side wall of the flat cover main body (3), the connecting lug plate (5) is matched with the fixed supporting lugs (2), and a connecting lug plate opening matched with the fixed supporting lug opening is formed in the connecting lug plate (5); and
the fastening assembly fastens the shell ring assembly and the flat cover assembly together through the fixing lug opening and the connecting lug plate opening.
2. The gasifier quick-open inspection channel according to claim 1, wherein,
the fixed lug opening and the connecting lug plate opening are oblong openings which are outwards opened;
the fastening assembly comprises a pin shaft (6), an articulated bolt (7) and a handle lock nut (8), wherein the pin shaft (6) penetrates through an eyelet of the articulated bolt (7) and connects the articulated bolt (7) to the fixed support lug (2), the articulated bolt (7) can rotate into the opening of the connecting lug plate by taking the eyelet as an axis, and the handle lock nut (8) is matched with the articulated bolt (7) above the connecting lug plate (5) so as to be used for fixing the articulated bolt (7).
3. The gasifier quick-open inspection channel according to claim 2, wherein,
and a sealing gasket (9) is further arranged between the annular groove and the annular boss.
4. A gasifier quick-open inspection channel according to claim 3, wherein,
the height of the annular boss is 10-15 mm, and the thickness is 16-20 mm;
the depth of the annular groove is 8-12 mm, and the width is 17-22 mm.
5. The gasifier quick-open inspection channel of claim 4, wherein the gasifier quick-open inspection channel comprises a plurality of holes,
the spacing between the annular boss and the side wall of the annular groove is 0.5-1 mm.
6. The gasifier quick-open inspection channel of claim 4, wherein the gasifier quick-open inspection channel comprises a plurality of holes,
the thickness of the sealing gasket (9) is 3-4 mm.
7. A gasifier quick-open inspection channel according to claim 3, wherein,
the shell ring main body (1) comprises a shell ring main body upper portion and a shell ring main body lower portion, the annular groove is formed in the shell ring main body upper portion, and the inner diameter of the shell ring main body upper portion is smaller than that of the shell ring main body lower portion.
8. The gasifier quick-open inspection channel of claim 7, wherein the gasifier quick-open inspection channel comprises a plurality of air channels,
the inner diameter of the upper part of the shell ring main body is not lower than 400 and mm.
9. The gasifier quick-open inspection channel of claim 7, wherein the gasifier quick-open inspection channel comprises a plurality of air channels,
the upper part of the shell ring main body and the lower part of the shell ring main body are integrally formed.
10. The gasifier quick-open inspection channel according to claim 1, wherein,
the fixed lugs (2), the connecting lug plates (5) and the fastening components are even in number and symmetrically arranged around the gasifier quick-opening inspection channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310626966.5A CN116333787A (en) | 2023-05-31 | 2023-05-31 | Quick-opening inspection channel of gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310626966.5A CN116333787A (en) | 2023-05-31 | 2023-05-31 | Quick-opening inspection channel of gasification furnace |
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| Publication Number | Publication Date |
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| CN116333787A true CN116333787A (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310626966.5A Pending CN116333787A (en) | 2023-05-31 | 2023-05-31 | Quick-opening inspection channel of gasification furnace |
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| CN217677396U (en) * | 2022-05-16 | 2022-10-28 | 中天合创能源有限责任公司 | Novel chilling ring for gasification furnace |
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Application publication date: 20230627 |