CN201858631U - Combustion boiler of combustible gas containing corrosive material - Google Patents
Combustion boiler of combustible gas containing corrosive material Download PDFInfo
- Publication number
- CN201858631U CN201858631U CN2010205951212U CN201020595121U CN201858631U CN 201858631 U CN201858631 U CN 201858631U CN 2010205951212 U CN2010205951212 U CN 2010205951212U CN 201020595121 U CN201020595121 U CN 201020595121U CN 201858631 U CN201858631 U CN 201858631U
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- corrosive substance
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Abstract
The utility model relates to a combustion boiler of combustible gas containing corrosive material, which utilizes the combustion of a boiler to recover heat energy, and comprises a combustion chamber (10), an air inlet cover (15), an air supply spray gun (14), a steam pocket (1), an air guide cover (6) and a flue gas air duct (3), wherein the combustion chamber (10) is formed by a membrane type wall heat exchanger which comprises a membrane type wall (9), an upper header (8) and a lower header (11); the air inlet cover (15) is connected with the bottom of the lower header (11); the air supply spray gun (14) is arranged in the air inlet cover (15); a water outlet of the steam pocket (1) is connected into the lower header (11) by a downcomer duct (16); a steam outlet of the upper header (8) is connected into the steam pocket (1) by a steam guide pipe (17); an inlet of the air guide cover (6) is connected with the top of the upper header (8); the boiler is added with a shielding gas air duct (4) which is connected with an outlet of the air guide cover (6); and the lower end of the flue gas air duct (3) is inserted into the shielding gas air duct (4). A heat exchange surface of the combustible gas combustion boiler is effectively isolated from flue gas containing the corrosive material by shielding gas, so that the heat exchanger is avoided being corroded by the corrosive material.
Description
Technical field
The utility model relates to a kind of burning boiler.Utilize boiler combustion to reclaim heat energy.Belong to the burning boiler technical field.
Background technology
Contain materials such as fluorine, sulphur, phosphorus, arsenic in the fuel gas that has now, those materials when burning at a certain temperature can the strong corrosion heat exchanger, equipment such as air channel.Also do not find certain material now, existing good thermal conductivity can guarantee the corrosive substance non-perishable material again when high temperature.For example when producing yellow phosphorus, produce and contain several corrosive substances such as fluorine, sulphur, phosphorus, arsenic in a large amount of yellow phosphoric tail gas CO gas, so the yellow phosphoric tail gas combustion heat energy can't well be reclaimed and utilize, present various yellow phosphoric tail gas burning boilers all can't guarantee safe operation.The enterprise that has now carries out purified treatment earlier to the corrosive substance that contains in the fuel gas before burning, utilize boiler combustion to reclaim heat energy again after reaching combustion standard, but do not obtain practical application because its cost high technology is complicated, present yellow phosphoric tail gas CO burns at discharging time point sky lamp substantially.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of safe and reliable, can burn and contain the burning boiler of corrosive substance fuel gas.
The purpose of this utility model is achieved in that a kind of corrosive substance gas fuel burning boiler that contains; comprise the combustion chamber; airscoop shroud; the air feed spray gun; drum; air scoop and flue gas air channel; described combustion chamber is made of the membrane wall heat exchanger; this membrane wall heat exchanger is by membrane wall; upper header and lower collecting box constitute; airscoop shroud links to each other with described lower collecting box bottom; the air feed spray gun is arranged in the airscoop shroud; described drum water out inserts described lower collecting box by a down-comer; the upper header steam (vapor) outlet inserts drum by a steam guiding tube; the air scoop import links to each other with described upper header top; be characterized in: described boiler has additional a protection gas air channel; this protection gas air channel links to each other with the air scoop outlet, and insert in the protection gas air channel lower end, described flue gas air channel.
The beneficial effects of the utility model are:
Contain corrosive substance in the fuel gas in the burner central burner, the flue gas that contains corrosive substance and the heat exchanger that produce when utilizing excessive air burning are kept apart, guarantee the contact of heat exchanger discord corrosive substance, thereby guarantee that heat exchanger do not pass to heat exchanger to heat the corrosion of being corroded property material the time, the flue gas that contains corrosive substance is discharged from flue gas air channel, stove center, the flue gas air channel is made by the anticorrosive property material, thereby guaranteed boiler can long-term safety reliability service, and reached contain in the fuel gas corrosive goods mass-energy when burning heat recovery and utilization; Protection gas is discharged from protection gas wind passage; in protection gas air channel, heat reclaim unit is installed simultaneously; heat is further recycled; improved the heat exchanger effectiveness of boiler; the introducing of protective gas has guaranteed effective isolation of corrosive substance in heat exchanger and the flue gas; guarantee that heat exchanger is not corroded, therefore containing corrosive substance gas combustion boiler has good security reliability.
To sum up, the utility model boiler heat-transfer surface has carried out effective isolation by protection gas and the flue gas that contains corrosive substance, has avoided the corrosion of corrosive substance heat exchanging device, has solved and has contained the irretrievable difficult problem of corrosive substance calory burning in the fuel gas.
Description of drawings
Fig. 1 contains the structural representation of corrosive substance gas fuel burning boiler for the utility model.
Fig. 2 is the A-A cut-away view of Fig. 1.
Reference numeral among the figure:
The specific embodiment
Referring to Fig. 1 and Fig. 2, Fig. 1 contains the structural representation of corrosive substance gas fuel burning boiler for the utility model.Fig. 2 is the A-A cut-away view of Fig. 1.By Fig. 1 and Fig. 2 as can be seen, the utility model contains corrosive substance gas fuel burning boiler, mainly is made up of combustion chamber 10, airscoop shroud 15, air feed spray gun 14, air scoop 6, drum 1, protection gas air channel 4 and flue gas air channel 3.Combustion chamber 10 is made of the membrane wall heat exchanger, and this membrane wall heat exchanger is made of membrane wall 9, upper header 8 and lower collecting box 11, and upper header 8 and lower collecting box 11 are fixedly connected on the top and the bottom of membrane wall 9 respectively.Lower collecting box 11 links to each other with a feed pipe 12.Airscoop shroud 15 links to each other with lower collecting box 11 bottoms, and air feed spray gun 14 is arranged in the airscoop shroud 15, and air feed spray gun 14 links to each other with a Gas Pipe 13.Described drum 1 water out inserts described lower collecting box 11 by a down-comer 16; upper header 8 steam (vapor) outlets insert drum 1 by a steam guiding tube 17; air scoop 6 imports link to each other with described upper header 8 tops, and air scoop 6 outlets link to each other with protection gas air channel 4, and insert in the protection gas air channel 43 lower ends, flue gas air channel.
The utility model contains corrosive substance gas fuel burning boiler; can also in described protection gas air channel 4, a superheater 5 be set; the steam (vapor) outlet of described drum 1 inserts this superheater 5 by a steam pipe 2, and the superheated steam outlet of superheater 5 links to each other with a main steam pipe 7.
The utility model contains corrosive substance gas fuel burning boiler, and the center line in described air feed spray gun 14, combustion chamber 10, air scoop 6 and flue gas air channel 3 all is in the same center line.
The utility model contains corrosive substance gas fuel burning boiler, and described flue gas air channel 3 is preferably made by anticorrosive.
Operation principle:
At first give membrane wall heat exchanger topped up with water, and keep drum 1 water level in the center by feed pipe 12.Provide fuel gas by Gas Pipe 13 through 14 pairs of combustion chambers 10 of air feed spray gun, ignited flammable gas burns it in the combustion chamber, it is combustion-supporting that air enters the combustion chamber by airscoop shroud 15, fuel gas after the burning enters flue gas air channel 3 under the attraction of flue gas blower fan, enter atmosphere after discharging that flue gas is treated and meeting national standard limit of smog release.Protection gas enters protection gas air channel 4 under the attraction of protection air-introduced machine.According to the fuel gas flow; adjust flue gas and protection gas air quantity; guarantee fuel gas contain corrosive substance fully burn the back flue gas enter the flue gas air channel; make too much excess air is not arranged in the flue gas air channel; reduce heat-energy losses as far as possible, and guarantee in the protection gas that the corrosive substance heat exchanger that do not exceed standard is not corroded.Through superheater 5 heat exchange, the protection gas after the cooling enters atmosphere to protection gas in protection gas air channel.Fuel gas is emitted a large amount of heats in combustion chambers burn, these heats are absorbed by the membrane wall heat exchanger by radiation heat transfer, water in the membrane wall 9 is vaporized at last because of constantly absorbing heat, form steam water interface, its density is less than on the same horizontal plane density of water in the down-comer 16, the steam water interface of water constantly rises in the membrane wall 9, enters upper header 8, enters drum 1 by steam guiding tube 17 again.At this moment water-down-comer 16-lower collecting box 11-membrane wall 9-upper header 8-steam guiding tube 17-the drum in the drum 11 forms the circulation of nature water, steam water interface carries out carbonated drink separation after entering drum 1, steam enters further to absorb heat in the superheater 5 by steam pipe 2 and becomes superheated steam, and superheated steam is sent by main steam pipe 7 and carried out heat supply generating utilization.
Claims (6)
1. one kind contains corrosive substance gas fuel burning boiler; comprise combustion chamber (10); airscoop shroud (15); air feed spray gun (14); drum (1); air scoop (6) and flue gas air channel (3); described combustion chamber (10) is made of the membrane wall heat exchanger; this membrane wall heat exchanger is by membrane wall (9); upper header (8) and lower collecting box (11) constitute; airscoop shroud (15) links to each other with described lower collecting box (11) bottom; air feed spray gun (14) is arranged in the airscoop shroud (15); described drum (1) water out inserts described lower collecting box (11) by a down-comer (16); upper header (8) steam (vapor) outlet inserts drum (1) by a steam guiding tube (17); air scoop (6) import links to each other with described upper header (8) top; it is characterized in that: described boiler has additional a protection gas air channel (4); this protection gas air channel (4) links to each other with air scoop (6) outlet, and insert in the protection gas air channel (4) lower end, described flue gas air channel (3).
2. a kind of corrosive substance gas fuel burning boiler that contains according to claim 1; it is characterized in that: be provided with a superheater (5) in the described protection gas air channel (4); the steam (vapor) outlet of described drum (1) inserts this superheater (5) by a steam pipe (2), and the superheated steam outlet of superheater (5) links to each other with a main steam pipe (7).
3. a kind of corrosive substance gas fuel burning boiler that contains according to claim 1 and 2 is characterized in that: the center line of described air feed spray gun (14), combustion chamber (10), air scoop (6) and flue gas air channel (3) all is in the same center line.
4. a kind of corrosive substance gas fuel burning boiler that contains according to claim 1 and 2, it is characterized in that: described air feed spray gun (14) is structure ringwise.
5. a kind of corrosive substance gas fuel burning boiler that contains according to claim 1 and 2, it is characterized in that: described lower collecting box (11) links to each other with a feed pipe (12), and air feed spray gun (14) links to each other with a Gas Pipe (13).
6. a kind of corrosive substance gas fuel burning boiler that contains according to claim 1 and 2, it is characterized in that: described flue gas air channel (3) is made by anticorrosive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205951212U CN201858631U (en) | 2010-11-08 | 2010-11-08 | Combustion boiler of combustible gas containing corrosive material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205951212U CN201858631U (en) | 2010-11-08 | 2010-11-08 | Combustion boiler of combustible gas containing corrosive material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858631U true CN201858631U (en) | 2011-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205951212U Expired - Lifetime CN201858631U (en) | 2010-11-08 | 2010-11-08 | Combustion boiler of combustible gas containing corrosive material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201858631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988695A (en) * | 2010-11-08 | 2011-03-23 | 王志凯 | Boiler for combusting combustible gases containing corrosive materials |
| CN109416232A (en) * | 2016-08-04 | 2019-03-01 | 艾森曼欧洲公司 | For adjusting the adjustment equipment and method and facility and method for handling workpiece of gaseous medium |
-
2010
- 2010-11-08 CN CN2010205951212U patent/CN201858631U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988695A (en) * | 2010-11-08 | 2011-03-23 | 王志凯 | Boiler for combusting combustible gases containing corrosive materials |
| CN109416232A (en) * | 2016-08-04 | 2019-03-01 | 艾森曼欧洲公司 | For adjusting the adjustment equipment and method and facility and method for handling workpiece of gaseous medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110608 Effective date of abandoning: 20120411 |