CN201412837Y - Deslagging device for circulating fluidized bed boiler - Google Patents
Deslagging device for circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN201412837Y CN201412837Y CN2009201581393U CN200920158139U CN201412837Y CN 201412837 Y CN201412837 Y CN 201412837Y CN 2009201581393 U CN2009201581393 U CN 2009201581393U CN 200920158139 U CN200920158139 U CN 200920158139U CN 201412837 Y CN201412837 Y CN 201412837Y
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- China
- Prior art keywords
- slagging
- protective cover
- deslagging
- tube
- pipe
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- Expired - Lifetime
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Abstract
The utility model discloses a deslagging device for a circulating fluidized bed boiler, comprising a deslagging tube and a protective cover which is installed on the fire facing surface of the deslagging tube for shielding the deslagging tube. The utility model provides a deslagging device for a circulating fluidized bed boiler which can prevent the fire facing surface (windward side) of the deslagging tube from thermal expansion and shrinkage deformation owing to uneven heating, avoids the phenomenon of deslagging tube tearing, air leakage, water leakage, slag coking in the tube, deslagging tube block and water cooling tube extrusion in the air compartment; and can guarantee the normal work of the deslagging tube, prolongs the service life of the deslagging tube and the air compartment water cooling tube, guarantees the boiler safe operation and reduces the running cost.
Description
Technical field
The utility model relates to the interior apparatus field of fluid bed that burning occurs in fuel or other particles, exactly is meant the slagging device that a kind of CFBB is used.
Background technology
In coal fired boiler equipment, the coal-fired slag that produces after the CFBB internal combustion is discharged from the slagging pipe of burner hearth bottom, because of the slagging pipe range phase works under the hot conditions about 900 ℃, so slagging Guan Junyong high-temperature alloy steel pipe is made.
In actual use, the counter-fire face is directly impacted by about 950 ℃ of thermal-flames during the black furnace igniting at normal temperatures of slagging pipe, and when moving for about 900 ℃, the windward side is subjected to the direct impact of 150 ℃ a wind again, counter-fire face and windward side are the same one sides of slagging pipe, in the different appellations of different working times.Because the rapid variation of temperature causes slagging pipe counter-fire face or windward side to be heated inequality and the distortion of expanding with heat and contract with cold, the slagging pipe tears, leak out leak, manage in slag coking, obstruction slag pipe can not deslagging, and cause the air compartment water cooling tube by squeeze crack, jeopardize safe operation of the boiler; Shortened the service life of CFBB slagging pipe and air compartment water cooling tube simultaneously.
The utility model content
At above-mentioned defective, the slagging device that provides a kind of CFBB to use is provided the purpose of this utility model, it can avoid slagging pipe counter-fire face (windward side) to be heated inequality and the distortion of expanding with heat and contract with cold, the slagging pipe tears, leak out leak, manage in the slag coking, stopping up the slag pipe can not deslagging, and cause the air compartment water cooling tube by squeeze crack, jeopardize safe operation of the boiler; Can when guaranteeing slagging pipe operate as normal, prolong service life, the guarantee safe operation of the boiler of slagging pipe, air compartment water cooling tube, reduce operating cost.
In order to solve above technical problem, the slagging device that a kind of CFBB that the utility model provides is used comprises the slagging pipe, in addition, also comprises protective cover, and described protective cover is installed in the counter-fire face of described slagging pipe, blocks described slagging pipe.
Preferably, leave the space between described protective cover and the described slagging pipe.
Preferably, described protective cover is straight plate structure.
Preferably, described protective cover is an arc-shaped structure.
Preferably, described protective cover is the shaped as frame structure.
Preferably, described protective cover is a flanging shape structure.
Preferably, it is characterized in that described protective cover is that exotic material is made.
The slagging device that the CFBB that the utility model provides is used compared with prior art, also comprises protective cover, and described protective cover is installed in the counter-fire face (windward side) of described slagging pipe, blocks described slagging pipe.Owing between the medium of different temperatures, introduce intermediate--protective cover, block the slagging pipe, avoid high-temperature-difference dielectric " directly " to impact the slagging pipe, set up the temperature ladder of a gradual change, the contact of buffering high-temperature-difference dielectric, the time of conducting heat.The utility model can avoid slagging pipe counter-fire face or windward side to be heated inequality and the distortion of expanding with heat and contract with cold, the slagging pipe tears, leak out leak, manage in the slag coking, stopping up the slag pipe can not deslagging, and causes the air compartment water cooling tube by squeeze crack, jeopardizes safe operation of the boiler; Therefore can when guaranteeing slagging pipe operate as normal, prolong service life, the guarantee safe operation of the boiler of slagging pipe, air compartment water cooling tube, reduce operating cost.
Description of drawings
Fig. 1 is the utility model first embodiment;
Fig. 2 is the utility model second embodiment;
Fig. 3 is the utility model the 3rd embodiment;
Fig. 4 is the utility model the 4th embodiment.
The specific embodiment
For those skilled in the art can understand technical scheme provided by the utility model better, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is that the protective cover of the slagging device that CFBB is used among the utility model embodiment is the cross section structure schematic diagram of circular arc.
The slagging device that the CFBB that the utility model provides is used also comprises protective cover 2, and described protective cover 2 is installed in the counter-fire face or the windward side of slagging pipe 1, blocks described slagging pipe 1.Protective cover 2 is an arc-shaped structure, is installed in the counter-fire face or the windward side of slagging pipe 1 by support 3.Leave the space between protective cover 2 and the slagging pipe 1, be beneficial to the good convection current of cold and hot wind around the slagging pipe 1, the temperature field is even.Protective cover 2 is made for exotic material.
The effect of protective cover 2 is to block slagging pipe 1, avoid high-temperature-difference dielectric " directly " to impact slagging pipe 1, set up the temperature ladder of a gradual change, the contact of buffering high-temperature-difference dielectric, the time of conducting heat, avoid slagging pipe 1 counter-fire face (windward side) to be heated inequality and the distortion of expanding with heat and contract with cold, the slagging pipe tears, leak out leak, manage in the slag coking, stopping up the slag pipe can not deslagging, and causes the air compartment water cooling tube by squeeze crack, jeopardizes safe operation of the boiler.
See also Fig. 2, this figure is that the protective cover of the slagging device that CFBB is used among the utility model embodiment is the cross section structure schematic diagram of straight plate.
The slagging device that the CFBB that the utility model provides is used also comprises protective cover 12, and described protective cover 12 is installed in the counter-fire face or the windward side of slagging pipe 11, blocks described slagging pipe 11.Protective cover 12 is straight plate structure, is installed in the counter-fire face or the windward side of slagging pipe 11 by support 13.Leave the space between protective cover 12 and the slagging pipe 11, be beneficial to the good convection current of cold and hot wind around the slagging pipe 1, the temperature field is even.Protective cover 12 is made for exotic material.
The effect of protective cover 12 is to block slagging pipe 11, avoid high-temperature-difference dielectric " directly " to impact slagging pipe 11, set up the temperature ladder of a gradual change, the contact of buffering high-temperature-difference dielectric, the time of conducting heat, avoid slagging pipe 11 counter-fire faces (windward side) to be heated inequality and the distortion of expanding with heat and contract with cold, the slagging pipe tears, leak out leak, manage in the slag coking, stopping up the slag pipe can not deslagging, and causes the air compartment water cooling tube by squeeze crack, jeopardizes safe operation of the boiler.
See also Fig. 2, this figure is that the protective cover of the slagging device that CFBB is used among the utility model embodiment is the cross section structure schematic diagram of shaped as frame.
The slagging device that the CFBB that the utility model provides is used also comprises protective cover 22, and described protective cover 22 is installed in the counter-fire face or the windward side of slagging pipe 21, blocks described slagging pipe 21.Protective cover 22 is the shaped as frame structure, is installed in the counter-fire face or the windward side of slagging pipe 21 by support 23.Leave the space between protective cover 22 and the slagging pipe 21, be beneficial to the good convection current of cold and hot wind around the slagging pipe 1, the temperature field is even.Protective cover 22 is made for exotic material.
The effect of protective cover 22 is to block slagging pipe 21, avoid high-temperature-difference dielectric " directly " to impact slagging pipe 21, set up the temperature ladder of a gradual change, the contact of buffering high-temperature-difference dielectric, the time of conducting heat, avoid slagging pipe 21 counter-fire faces (windward side) to be heated inequality and the distortion of expanding with heat and contract with cold, the slagging pipe tears, leak out leak, manage in the slag coking, stopping up the slag pipe can not deslagging, and causes the air compartment water cooling tube by squeeze crack, jeopardizes safe operation of the boiler.
Embodiment 4
See also Fig. 4, this figure is that the protective cover of the slagging device that CFBB is used among the utility model embodiment is the cross section structure schematic diagram of flanging.
The slagging device that the CFBB that the utility model provides is used also comprises protective cover 32, and described protective cover 32 is installed in the counter-fire face or the windward side of slagging pipe 31, blocks described slagging pipe 31.Protective cover 32 is the flanging structure, is installed in the counter-fire face or the windward side of slagging pipe 31 by support 33.Leave the space between protective cover 32 and the slagging pipe 31, be beneficial to the good convection current of cold and hot wind around the slagging pipe 1, the temperature field is even.Protective cover 32 is made for exotic material.
The effect of protective cover 32 is to block slagging pipe 31, avoid high-temperature-difference dielectric " directly " to impact slagging pipe 31, set up the temperature ladder of a gradual change, the contact of buffering high-temperature-difference dielectric, the time of conducting heat, avoid slagging pipe 31 counter-fire faces (windward side) to be heated inequality and the distortion of expanding with heat and contract with cold, the slagging pipe tears, leak out leak, manage in the slag coking, stopping up the slag pipe can not deslagging, and causes the air compartment water cooling tube by squeeze crack, jeopardizes safe operation of the boiler.
The utility model can prolong the service life of slagging pipe and air compartment water cooling tube when guaranteeing slagging pipe operate as normal, thereby reduces operating cost.
The protective cover of the slagging device that CFBB is used also can be other structures, if can realize the same purpose of the utility model all can, do not repeat them here.
Certainly; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1, the slagging device used of a kind of CFBB comprises the slagging pipe, it is characterized in that also comprise protective cover, described protective cover is installed in the counter-fire face of described slagging pipe, blocks described slagging pipe.
2, the slagging device used of CFBB according to claim 1 is characterized in that, leaves the space between described protective cover and the described slagging pipe.
3, the slagging device used of CFBB according to claim 1 is characterized in that described protective cover is straight plate structure.
4, the slagging device used of CFBB according to claim 1 is characterized in that described protective cover is an arc-shaped structure.
5, the slagging device used of CFBB according to claim 1 is characterized in that described protective cover is the shaped as frame structure.
6, the slagging device used of CFBB according to claim 1 is characterized in that described protective cover is a flanging shape structure.
7, the slagging device of using according to each described CFBB of claim 1～6 is characterized in that, described protective cover is that exotic material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201581393U CN201412837Y (en) | 2009-06-08 | 2009-06-08 | Deslagging device for circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201581393U CN201412837Y (en) | 2009-06-08 | 2009-06-08 | Deslagging device for circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412837Y true CN201412837Y (en) | 2010-02-24 |
Family
ID=41714720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201581393U Expired - Lifetime CN201412837Y (en) | 2009-06-08 | 2009-06-08 | Deslagging device for circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412837Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654793A (en) * | 2017-11-01 | 2018-02-02 | 石会所 | A kind of boiler tube protector and means of defence |
-
2009
- 2009-06-08 CN CN2009201581393U patent/CN201412837Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654793A (en) * | 2017-11-01 | 2018-02-02 | 石会所 | A kind of boiler tube protector and means of defence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FOSHAN HAITIAN SEASONING CO., LTD. Free format text: FORMER NAME: FOSHAN HAITIAN FLAVORING FOOD CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Chancheng District of Guangdong city in Foshan province the 528000 Road No. 16 Co-patentee after: Foshan Haitian (Gaoming) Seasoning Co., Ltd. Patentee after: Foshan Haitian Flavoring & Food Co., Ltd. Address before: Chancheng District of Guangdong city in Foshan province the 528000 Road No. 16 Co-patentee before: Foshan Haitian (Gaoming) Seasoning Co., Ltd. Patentee before: Foshan Haitian Flavoring Food Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100224 |
|
| CX01 | Expiry of patent term |