CN211011336U - Circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation - Google Patents
Circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation Download PDFInfo
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- CN211011336U CN211011336U CN201921070124.1U CN201921070124U CN211011336U CN 211011336 U CN211011336 U CN 211011336U CN 201921070124 U CN201921070124 U CN 201921070124U CN 211011336 U CN211011336 U CN 211011336U
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- shell
- separator
- thick bamboo
- fluidized bed
- bed boiler
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Abstract
The utility model relates to a fluidized bed boiler field just discloses a circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation, including the separator, the separator is columniform hollow shell, a center section of thick bamboo has been cup jointed to separator lower extreme inside, the outside fixed mounting of separator and center section of thick bamboo handing-over department has the shell, the shell is the annular shell of two millimeters for thickness, circulating fluidized bed boiler outer wall is constituteed to the shell, the space that has three centimeters between shell and the separator at a distance, it has fire-resistant aluminium silicate material to fill between shell and the separator, fire-resistant aluminium silicate material is the hard bubble body material of polyurethane, slope fixed mounting has the bevel ring downwards on the shell lower extreme lateral wall. The utility model discloses in, be applicable to boiler separator center section of thick bamboo transformation installation, can reduce the probability of a center section of thick bamboo local deformation that the boiler operation in-process arouses because of cold and hot change greatly, improve this kind of center section of thick bamboo life for the boiler.
Description
Technical Field
The utility model relates to a fluidized bed boiler field especially relates to a circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation.
Background
The circulating fluidized bed boiler adopts the clean coal combustion technology with the highest industrialization degree. The circulating fluidized bed boiler adopts fluidized combustion, and the main structure comprises a combustion chamber (comprising a dense phase region and a dilute phase region) and a circulating return furnace (comprising a high-temperature gas-solid separator and a return system). The biggest difference with the bubbling fluidized bed combustion technology is that the operation wind speed is high, heterogeneous reaction processes such as combustion and desulfurization are strengthened, the boiler capacity can be enlarged to a large capacity (600MW or above grade) acceptable by the power industry, and the circulating fluidized bed boiler well solves the basic problems of thermology, mechanics, materials and the like and the engineering problems of expansion, abrasion, over temperature and the like, and becomes an advanced technology for energy utilization of difficult-to-burn solid fuels (such as coal gangue, oil shale, municipal refuse, sludge and other wastes).
The existing central cylinder of the boiler separator is installed in the following way: the central cylinder is welded with the conical cylinder at the top of the separator through a lacing wire, and belongs to hard connection. The central cylinder is welded with the outer cone cylinder without expansion gap. The cold and hot change in the boiler operation process can lead to the central section of thick bamboo to take place to warp, and then influences outside awl section of thick bamboo shape. The original boiler cone and the lower separator are two independent parts, and the middle part of the original boiler cone and the lower separator are not provided with any connecting structure and are sealed only by the shape. When the shape of the cone is changed, the sealing structure of the cone becomes invalid, and the safe operation of the boiler is seriously influenced. To this end, we propose a cyclone center cartridge for a circulating fluidized bed boiler that is easy to install.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems existing in the prior art and provides a central cylinder of a cyclone separator of a circulating fluidized bed boiler, which is convenient to install.
In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation, including the separator, the separator is columniform hollow shell, a center section of thick bamboo has been cup jointed to separator lower extreme inside, a center section of thick bamboo is the hollow section of thick bamboo of cylinder type, the outside fixed mounting of separator and center section of thick bamboo handing-over department has the shell, the shell is the annular shell of two millimeters for thickness, circulating fluidized bed boiler outer wall is constituteed to the shell, the space that has the trisection between shell and the separator, it has refractory aluminium material silicic acid to fill between shell and the separator.
The inclined ring is fixedly installed on the outer side wall of the lower end of the shell in an inclined mode downwards, the cross section of the inclined ring is a trapezoidal conical ring, the lower end of the inclined ring is fixedly connected with the outer wall of the central cylinder in an inclined mode downwards, and the middle position of the outer ring of the central cylinder is sleeved with an annular fireproof silicic acid filter plate.
Preferably, the lower end of the fire-resistant silicic acid filter plate is provided with a sealing ring plate, the sealing ring plate is fixedly installed on the outer wall of the central cylinder, a bearing plate is fixedly installed on the upper end of the inclined ring and the inner side of the joint of the shell in parallel, and the inner side of the bearing plate is fixedly connected with the outer wall of the separator.
Preferably, a support is fixedly mounted on the inner wall of the inclined ring and is a trapezoidal frame, a reverse support is perpendicularly and outwards fixedly mounted on the outer wall of the top end of the central cylinder, and the reverse support is a trapezoidal frame.
Preferably, the opposite side of the inclined plane of the reverse support is attached to the upper surface of the support, a pouring material is filled in a triangular hollow position formed by the inclined ring, the bearing plate and the central cylinder, a round steel is transversely inserted in the middle of the inclined ring and is a cylindrical long rod, and the outer end of the round steel penetrates through the inclined ring and is connected to the outer part of the inclined ring.
Preferably, the round steel is sleeved with an outer steel plate at one end outside the inclined ring, a welding block is welded between the outer steel plate and the inclined ring, the round steel is sleeved with an inner steel plate at one end inside the central cylinder, and the inner steel plate is welded on the inner wall of the central cylinder.
Advantageous effects
The utility model provides a circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation. The method has the following beneficial effects:
(1) the central cylinder of the cyclone separator of the circulating fluidized bed boiler convenient to install is suitable for the transformation and installation of the central cylinder of the boiler separator, the probability of local deformation of the central cylinder caused by cold and hot changes in the running process of the boiler can be greatly reduced, and the service life of the central cylinder for the boiler is prolonged.
(2) This circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation, through the mode of freely hanging with a center section of thick bamboo through upper portion bearing plate lay on the support, this kind of mounting means makes and is freely cooperating between anti-support and support, anti-support can relative slip with the support, consequently a center section of thick bamboo all can not receive great resistance when the thermal expansion or when cooling shrink and take place to warp, and because anti-support and center section of thick bamboo casting as an organic whole, make it have higher intensity, distortion can not take place, good result of use has.
Drawings
FIG. 1 is a cross-sectional view of a separator of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Illustration of the drawings:
1 separator, 2 central cylinders, 3 outer shells, 4 refractory aluminum silicate materials, 5 inclined rings, 6 refractory aluminum silicate plates, 7 sealing ring plates, 8 bearing plates, 9 supports, 10 reverse supports, 11 round steel, 12 outer steel plates, 13 inner steel plates, 14 castable materials and 15 welding blocks.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): the utility model provides a circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation, as shown in fig. 1-fig. 2, includes separator 1, separator 1 is columniform hollow shell, a center section of thick bamboo 2 has been cup jointed to separator 1 lower extreme inside, a center section of thick bamboo 2 is the hollow section of thick bamboo of cylinder type, the outside fixed mounting of separator 1 and the 2 handing-over departments of center section of thick bamboo has shell 3, shell 3 is the annular shell of two millimeters thickness, shell 3 component circulating fluidized bed boiler outer wall, there is the space of three centimeters between shell 3 and the separator 1 at a distance, it has fire-resistant aluminium silicate material 4 to fill between shell 3 and the separator 1.
The utility model discloses a fire-proof insulation material, including shell 3, the lower extreme lateral wall of shell 3 inclines upward fixed mounting has the taper ring 5 to one side, the taper ring 5 is that the cross section is trapezoidal toper ring, 5 lower extreme slopes of taper ring are fixed in the outer wall fixed connection of a center section of thick bamboo 2 downwards, 2 outer lane intermediate positions of a center section of thick bamboo have cup jointed annular fire-resistant silicic acid filter plate 6, and fire-resistant silicic acid filter plate 6 is made by long filament ultralight silicic acid aluminium fiberboard, and long filament ultralight silicic acid aluminium fiberboard is that choice high-quality burnt precious stone melts through the electric stove more than 2000 ℃, and the jetting is the fibre, evenly adds purpose-made binder simultaneously, and the oil repellent, the.
The lower end of the fire-resistant silicic acid filter plate 6 is provided with a sealing ring plate 7, the sealing ring plate 7 is fixedly installed on the outer wall of the central cylinder 2, a bearing plate 8 is fixedly installed at the inner side of the joint of the upper end of the inclined ring 5 and the shell 3 in parallel, the inner side of the bearing plate 8 is fixedly connected with the outer wall of the separator 1, a support 9 is fixedly installed on the inner wall of the inclined ring 5, the support 9 is a trapezoidal frame, a reverse support 10 is fixedly installed on the outer wall of the top end of the central cylinder 2 perpendicularly outwards, the reverse support 10 is a trapezoidal frame, the opposite side of the inclined surface of the reverse support 10 is attached to the upper surface of the support 9, a pouring material 14 is filled in the triangular hollow position formed by the inclined ring 5, the bearing plate 8 and the central cylinder 2, a round steel 11 is transversely inserted in the middle position of the inclined ring 5, the round steel 11 is a cylindrical long rod, the outer end of the round steel, round steel 11 has cup jointed outer steel sheet 12 in the outside one end of 5 rings chute, the welding has welding piece 15 between outer steel sheet 12 and the rings chute 5, round steel 11 has cup jointed interior steel sheet 13 in the inside one end of a section of thick bamboo 2 in the centre, interior steel sheet 13 welding is on the inner wall of a section of thick bamboo 2 in the centre.
Through the mode of freely hanging lay center section of thick bamboo 2 on support 9 through upper portion bearing board 8, this kind of mounting means makes between anti-support 10 and support 9 for freely cooperating, anti-support 10 can relative slip with support 9, consequently center section of thick bamboo 2 can not receive great resistance when the thermal expansion or when cooling shrink and take place to warp to because anti-support 10 and center section of thick bamboo 2 casting as an organic whole, make it have higher intensity, can not take place distortion, good result of use has.
The utility model discloses a theory of operation:
the first step is as follows: the first section of the central cylinder 2 is integrally hoisted into the separator 1 and suspended and fixed.
The second step is that: an opening reference surface is found at the upper part of the central cylinder 2, and then the opening is carried out according to the size of the reverse bracket 10.
The third step: on anti-support 10 passed 2 trompil positions of a central section of thick bamboo and put on support 9, anti-support 10 and the welding of a central section of thick bamboo 2, anti-support 10 and support 9 do not weld, and support 9 fixed mounting is on the inner wall of inclined ring 5 for the bottom surface of anti-support 10 is laminated with the top surface of support 9 mutually, pegs graft round steel 11 in the triangle region, and the round steel 11 outside is fixed through welding block 15, and round steel 11 welds with interior steel sheet 13 in the inside of a central section of thick bamboo 2.
The fourth step: when the central cylinder 2 is heated, expansion deformation can be generated, the central cylinder 2 drives the reverse support 10 to freely slide on the support 9 when deforming, and the round steel 11 of the central cylinder 2 slides, so that the central cylinder 2 cannot be deformed by large resistance when being heated to expand or cooled to contract.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (7)
1. A circulating fluidized bed boiler cyclone center tube convenient to install, comprises a separator (1), and is characterized in that: the separator (1) is a cylindrical hollow shell, a central cylinder (2) is sleeved inside the lower end of the separator (1), the central cylinder (2) is a cylindrical hollow cylinder, a shell (3) is fixedly installed on the outer side of the joint of the separator (1) and the central cylinder (2), and an inclined ring (5) is fixedly installed on the outer side wall of the lower end of the shell (3) in an inclined downward mode;
a bearing plate (8) is fixedly mounted on the inner side of the joint of the upper end of the inclined ring (5) and the shell (3) in parallel, the inner side of the bearing plate (8) is fixedly connected with the outer wall of the separator (1), a support (9) is fixedly mounted on the inner wall of the inclined ring (5), the support (9) is a trapezoidal frame, and a reverse support (10) is fixedly mounted on the outer wall of the top end of the central cylinder (2) perpendicularly and outwards;
the inclined ring (5) middle position is transversely pegged graft and is had round steel (11), round steel (11) are the columniform stock, round steel (11) outer end runs through the outside that inclined ring (5) are connected to inclined ring (5), round steel (11) have cup jointed outer steel sheet (12) in one of inclined ring (5) outside, the welding has between outer steel sheet (12) and inclined ring (5) welding piece (15), round steel (11) have cup jointed interior steel sheet (13) in one of center section of thick bamboo (2) inside, interior steel sheet (13) welding is on the inner wall of center section of thick bamboo (2).
2. An easy-to-install center cartridge of cyclone separators of a circulating fluidized bed boiler according to claim 1, wherein: the shell (3) is an annular shell with the thickness of two millimeters, and a gap of three centimeters is reserved between the shell (3) and the separator (1).
3. An easy-to-install center cartridge of cyclone separators of a circulating fluidized bed boiler according to claim 1, wherein: a refractory aluminum silicate material (4) is filled between the shell (3) and the separator (1).
4. An easy-to-install center cartridge of cyclone separators of a circulating fluidized bed boiler according to claim 1, wherein: the inclined ring (5) is a conical ring with a trapezoidal cross section, the lower end of the inclined ring (5) is obliquely and downwards fixed on the outer wall of the central cylinder (2) in fixed connection, and the middle position of the outer ring of the central cylinder (2) is sleeved with an annular fireproof silicic acid filter plate (6).
5. An easy-to-install center cartridge of cyclone separators of a circulating fluidized bed boiler according to claim 4, wherein: the lower end of the fire-resistant silicic acid filter plate (6) is provided with a sealing ring plate (7), and the sealing ring plate (7) is fixedly arranged on the outer wall of the central cylinder (2).
6. An easy-to-install center cartridge of cyclone separators of a circulating fluidized bed boiler according to claim 1, wherein: the reverse support (10) is a trapezoidal frame, and one surface, opposite to the inclined surface, of the reverse support (10) is attached to the upper surface of the support (9).
7. An easy-to-install center cartridge of cyclone separators of a circulating fluidized bed boiler according to claim 1, wherein: pouring materials (14) are filled in a triangular hollow position formed by the inclined ring (5), the bearing plate (8) and the central cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070124.1U CN211011336U (en) | 2019-07-10 | 2019-07-10 | Circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070124.1U CN211011336U (en) | 2019-07-10 | 2019-07-10 | Circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation |
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| Publication Number | Publication Date |
|---|---|
| CN211011336U true CN211011336U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921070124.1U Expired - Fee Related CN211011336U (en) | 2019-07-10 | 2019-07-10 | Circulating fluidized bed boiler cyclone center section of thick bamboo convenient to installation |
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| CN (1) | CN211011336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776048A (en) * | 2021-09-02 | 2021-12-10 | 烟台通用电力设备有限公司 | Supercritical circulating fluidized bed boiler center cylinder mounting mode and sealing device |
-
2019
- 2019-07-10 CN CN201921070124.1U patent/CN211011336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776048A (en) * | 2021-09-02 | 2021-12-10 | 烟台通用电力设备有限公司 | Supercritical circulating fluidized bed boiler center cylinder mounting mode and sealing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20210710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |