CN203323090U - Catalytic cracking flue gas waste heat boiler - Google Patents
Catalytic cracking flue gas waste heat boiler Download PDFInfo
- Publication number
- CN203323090U CN203323090U CN2013203002781U CN201320300278U CN203323090U CN 203323090 U CN203323090 U CN 203323090U CN 2013203002781 U CN2013203002781 U CN 2013203002781U CN 201320300278 U CN201320300278 U CN 201320300278U CN 203323090 U CN203323090 U CN 203323090U
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- Prior art keywords
- heater
- flue gas
- waste heat
- economizer
- evaporimeter
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to a catalytic cracking flue gas waste heat boiler, and belongs to the technical field of waste heat boilers. The boiler comprises a superheater module, an evaporator module, an economizer module, a steam pocket, an ash blowing device and a boiler body, and is characterized in that the boiler body is of a vertical-type three-flue structure formed by a superheater furnace body, an evaporator furnace body and an economizer furnace body in a sequentially connected mode, a flue gas baffle is arranged between an outlet of the evaporator furnace body and an inlet of the economizer furnace body, the flue gas baffle is of a 90-degree rotation structure, and the outlet of the evaporator furnace body and the inlet of the economizer furnace body are respectively provided with a port of denitration device. Compared with the prior art, the boiler is provided with the flue gas baffle and the port of the denitration device between a second flue and a third flue, can be effectively additionally provided with a denitration device system and can integrate energy conservation and environment protection.
Description
Technical field
The utility model relates to the waste heat boiler technical field, specifically a kind of catalytic cracking flue gas waste heat boiler.
Background technology
The eighties in 20th century, China's oil refining apparatus started to utilize the regenerated flue gas waste heat that waste heat boiler is set, waste heat boiler heating surface at that time is the big syphon structure, body of heater is huge, furnace wall is the outer casing inner lining concrete, the fume side pressure-bearing is 3kPa, and do not consider denitration and desulfurizer, former furnace type structure can not meet the needs of Set For Current denitration and desulfurizer.
Summary of the invention
The purpose of this utility model is for overcoming the deficiencies in the prior art, designs a kind of band denitrification apparatus interface, Natural Circulation, modularization heating surface, vertical flue structure waste heat boiler, for reclaiming the heat of catalytic cracking unit afterbody outlet high-temperature flue gas.
For achieving the above object, design a kind of catalytic cracking flue gas waste heat boiler, comprise the superheater module, evaporator module, the economizer module, drum, soot blower, boiler body, it is characterized in that: described boiler body adopts the superheater body of heater connected successively, the evaporimeter body of heater, vertical three flue structures that the economizer body of heater forms, be provided with gas baffle between the import of the outlet of evaporimeter body of heater and economizer body of heater, described gas baffle adopts 90 ° of rotational structures, be respectively equipped with the denitrification apparatus interface in the outlet of evaporimeter body of heater and the import of economizer body of heater.
The bottom of the bottom of the bottom of described superheater body of heater, evaporimeter body of heater, economizer body of heater is respectively equipped with control of dust and collects mouth.
Be provided with the superheater module in described superheater body of heater; Described superheater module adopts the superheater surface of the coiled pipe composition that is provided with helical fin.
Be provided with evaporator module in described evaporimeter body of heater; Described evaporator module adopts the molecular evaporimeter straight tube of pipe that is provided with the evaporimeter helical fin.
Be provided with the economizer module in described economizer body of heater.
Also be provided with the damper valve on described gas baffle.
Described gas baffle adopts square.
The evaporimeter straight tube is for being in tilted layout, down-comer is accessed respectively in the bottom of every evaporimeter straight tube, the carbonated drink fairlead is accessed respectively on the top of every evaporimeter straight tube, and the top inlet end of down-comer connects the outlet of drum, and the outlet at the top of carbonated drink fairlead connects the import of drum.
The utility model compared with the existing technology, adopts vertical three flue structures, install, maintenance is simple, convenient, for prospect has been created in the development of transformation or newly-built catalytic cracking unit flue gas waste heat recovery system; And be provided with gas baffle and denitrification apparatus interface between second and third flue, effectively the De-NO_x system, reach energy-conserving and environment-protective integrated; Stove hydromining natural circulation structure, stove water, by the poor circulation of self severe, is compared with the boiler of making the stove Water circulation hydrodynamics by circulating pump, has saved the high maintenance of extra power consumption and hot water circulating pump; Each heating surface is modular construction, and heating surface is all in factory's welding, and on-the-spot installation period is short, reaches the integrated waste heat boiler of energy-conserving and environment-protective.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A cut-away view shown in Fig. 1.
Fig. 3 is the B-B cut-away view shown in Fig. 1.
Fig. 4 is the C-C cut-away view shown in Fig. 1.
Fig. 5 is the D-D cut-away view shown in Fig. 1.
The specific embodiment
Now the utility model is further described by reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1～Fig. 5, the utility model comprises the superheater module, evaporator module, the economizer module, drum, soot blower, boiler body, wherein, described boiler body adopts the superheater body of heater 1 connected successively, evaporimeter body of heater 2, vertical three flue structures that economizer body of heater 3 forms, be provided with gas baffle 5 between the import of the outlet of evaporimeter body of heater 2 and economizer body of heater 3, described gas baffle 5 adopts 90 ° of rotational structures, can realize by rotation gas baffle 5 closure and the perforation of the flue between evaporimeter body of heater 2 and economizer body of heater 3, gas baffle 5 adopts square, also be provided with damper valve 51 on described gas baffle 5.Also be respectively equipped with denitrification apparatus interface 6 in the outlet of evaporimeter body of heater 2 and the import of economizer body of heater 3, conveniently make flue gas enter after the denitrification apparatus system to return to waste heat boiler to enter economizer module 31.
Be provided with economizer module 31 in described economizer body of heater 3.
The bottom of the bottom of the bottom of described superheater body of heater 1, evaporimeter body of heater 2, economizer body of heater 3 is respectively equipped with control of dust and collects mouth, in order to dust, collects and discharges.
Be provided with superheater module 11 in described superheater body of heater 1; Described superheater module 11 adopts the superheater surface of the coiled pipe composition that is provided with helical fin.Here adopt the modular cabinet structure, all the assembly welding of pressure parts completes in boiler factory, and integral body is dispatched from the factory, and on-the-spot integral hoisting realizes the batch production manufacture, guarantees product quality, shortens on-the-spot installation period.
Be provided with evaporator module 21 in described evaporimeter body of heater 2; Described evaporator module 21 adopts the molecular evaporimeter straight tube 212 of pipe that is provided with the evaporimeter helical fin.Described evaporator module 21 can be divided into groups according to size, and evaporimeter straight tube 212 is in tilted layout in smoke box, and the smoke box inwall has the heat resistance concrete lining.Here adopt modular body structure, all the assembly welding of pressure parts completes in boiler factory, can integral body dispatch from the factory.
Down-comer 213 is accessed respectively in the bottom of every evaporimeter straight tube 212, carbonated drink fairlead 214 is accessed respectively on the top of every evaporimeter straight tube 212, the top inlet end of down-comer 213 connects the outlet of drum 4, and the outlet at the top of carbonated drink fairlead 214 connects the import of drum 4.Drum 4 is formed by the roll of steel plate weldering, and the manhole device is all arranged on the end socket at two ends.Here drum 4, down-comer 213, carbonated drink fairlead 214 form the nature boiler water circulating system, stove water enters in the evaporimeter body of heater and is subject to high-temperature flue gas convection current heat absorption to produce steam water interface by down-comer 213 from drum 4, by carbonated drink fairlead 214, steam water interface is drawn and gets back to drum 4; Steam water interface is done carbonated drink and is separated drum 4 is interior, and the stove water after separation enters down-comer 2 again.
Claims (8)
1. a catalytic cracking flue gas waste heat boiler, comprise the superheater module, evaporator module, the economizer module, drum, soot blower, boiler body, it is characterized in that: described boiler body adopts the superheater body of heater (1) connected successively, evaporimeter body of heater (2), vertical three flue structures that economizer body of heater (3) forms, be provided with gas baffle (5) between the import of the outlet of evaporimeter body of heater (2) and economizer body of heater (3), described gas baffle (5) adopts 90 ° of rotational structures, be respectively equipped with denitrification apparatus interface (6) in the outlet of evaporimeter body of heater (2) and the import of economizer body of heater (3).
2. a kind of catalytic cracking flue gas waste heat boiler as claimed in claim 1 is characterized in that: the bottom of the bottom of described superheater body of heater (1), evaporimeter body of heater (2), the bottom of economizer body of heater (3) are respectively equipped with control of dust and collect mouthful.
3. a kind of catalytic cracking flue gas waste heat boiler as claimed in claim 1, is characterized in that: be provided with superheater module (11) in described superheater body of heater (1); Described superheater module (11) adopts the superheater surface of the coiled pipe composition that is provided with helical fin.
4. a kind of catalytic cracking flue gas waste heat boiler as claimed in claim 1, is characterized in that: be provided with evaporator module (21) in described evaporimeter body of heater (2); Described evaporator module (21) adopts the molecular evaporimeter straight tube of pipe (212) that is provided with the evaporimeter helical fin.
5. a kind of catalytic cracking flue gas waste heat boiler as claimed in claim 1, is characterized in that: be provided with economizer module (31) in described economizer body of heater (3).
6. a kind of catalytic cracking flue gas waste heat boiler as claimed in claim 1, is characterized in that: also be provided with damper valve (51) on described gas baffle (5).
7. a kind of catalytic cracking flue gas waste heat boiler as described as claim 1 or 6, it is characterized in that: described gas baffle (5) adopts square.
8. a kind of catalytic cracking flue gas waste heat boiler as claimed in claim 4, it is characterized in that: evaporimeter straight tube (212) is for being in tilted layout, down-comer (213) is accessed respectively in the bottom of every evaporimeter straight tube (212), carbonated drink fairlead (214) is accessed respectively on the top of every evaporimeter straight tube (212), the top inlet end of down-comer (213) connects the outlet of drum (4), and the outlet at the top of carbonated drink fairlead (214) connects the import of drum (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203002781U CN203323090U (en) | 2013-05-28 | 2013-05-28 | Catalytic cracking flue gas waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203002781U CN203323090U (en) | 2013-05-28 | 2013-05-28 | Catalytic cracking flue gas waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203323090U true CN203323090U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203002781U Expired - Fee Related CN203323090U (en) | 2013-05-28 | 2013-05-28 | Catalytic cracking flue gas waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203323090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985522A (en) * | 2019-03-21 | 2019-07-09 | 浙江省环境科技有限公司 | SCR flue gas denitration reactor and method are embedded in a kind of waste heat boiler for cement furnace denitrating flue gas |
-
2013
- 2013-05-28 CN CN2013203002781U patent/CN203323090U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985522A (en) * | 2019-03-21 | 2019-07-09 | 浙江省环境科技有限公司 | SCR flue gas denitration reactor and method are embedded in a kind of waste heat boiler for cement furnace denitrating flue gas |
| CN109985522B (en) * | 2019-03-21 | 2024-01-05 | 浙江省环境科技有限公司 | SCR flue gas denitration reactor and method embedded in waste heat boiler for cement kiln flue gas denitration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160528 |