CN201599781U - Waste-heat boiler for a four-in-one or two-in-one heating furnace of a large continuous reforming device - Google Patents
Waste-heat boiler for a four-in-one or two-in-one heating furnace of a large continuous reforming device Download PDFInfo
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- CN201599781U CN201599781U CN2010290980254U CN201029098025U CN201599781U CN 201599781 U CN201599781 U CN 201599781U CN 2010290980254 U CN2010290980254 U CN 2010290980254U CN 201029098025 U CN201029098025 U CN 201029098025U CN 201599781 U CN201599781 U CN 201599781U
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- heat boiler
- waste heat
- heating furnace
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Abstract
The utility model discloses a waste-heat boiler for a four-in-one or two-in-one heating furnace of a large continuous reforming device, comprising waste-heat boiler main body, a waste-heat boiler drum, a fume induced draft fan and a chimney, wherein the waste-heat boiler main body comprises an entry flue, a waste-heat boiler heating surface, an exit flue and a steel rack and the steel rack is an independent support structure and directly mounted on the ground beside a heating furnace radiation segment and the fume flue of the waste-heat boiler is vertical to the ground and the upper part is connected with the entry flue and the lower part is connected with the exit flue; the natural-circulation waste-heat boiler heating surface is arranged in the fume flue of the waste-heat boiler; the entry flue is communicated with the fume exit at the top of the radiation segment of the heating furnace; the exist flue is connected with an air inlet of the fume induced draft fan; the lower part of the chimney is connected with the air outlet of the fume induced draft fan by the fume pipeline; the waste-heat boiler drum is connected with the waste-heat boiler heating surface. The waste-heat boiler has advantages of light weight, good heat transfer effect, easy realization of modularization design and convenient installation.
Description
Technical field
The utility model relates to a kind of waste heat boiler that is used for four unifications of Large Scale and Continuous reformer or two-in-one heating furnace.
Technical background
Four unifications of Large Scale and Continuous reformer or two-in-one heating furnace (seeing Fig. 1 a and Fig. 1 b) adopt Forced-circulation Waste-heat Boiler to reclaim the high-temperature flue gas waste heat of heating furnace radiant section 2 outlets in order to improve heater efficiency usually.Simultaneously Forced-circulation Waste-heat Boiler heating surface 4 directly is arranged in heating furnace convection section 2, heating furnace convection section 2 is supported on heating furnace radiant section 1 steelframe.Heating furnace is not established air-introduced machine, and the natural draft that relies on chimney 5 to form is taken out and drawn flue gas.The Forced-circulation Waste-heat Boiler heating surface utilizes the high-temperature flue gas generation superheated steam of heating furnace radiant section 1 outlet.Overcome the interior steam water interface flow resistance of Forced-circulation Waste-heat Boiler evaporating heating surface (part of Forced-circulation Waste-heat Boiler heating surface 4) by forced circulation pump 7.After the high-temperature flue gas of heating furnace radiant section 1 outlet carries out waste heat recovery by each heating surface 4 of Forced-circulation Waste-heat Boiler, enter chimney 5 and enter atmosphere.
Owing to do not establish air-introduced machine, be subjected to the restriction of chimney 5 height, less by the flue gas nature draft that chimney 5 forms.It is less to be arranged on the flue gas resistance that each heating surface of waste heat boiler 4 of heating furnace convection section 2 allows, make the flue gas flow rate of each heating surface 4 operation of waste heat boiler on the low side, the coefficient of heat transfer is on the low side, add that each heating surface 4 of waste heat boiler is arranged in the outlet of heating radiant section 1, the structure of each heating surface 4 of waste heat boiler is subjected to the restriction of heating furnace radiant section 1 structure, cause the volume and weight of each heating surface 4 of waste heat boiler all very big, so the waste heat boiler equipment investment is bigger, installation difficulty is also bigger, designs unreasonable.
At the problems referred to above, be necessary the layout and the structure of the waste heat boiler of traditional Large Scale and Continuous reformer four unification or two-in-one heating furnace are improved.
Summary of the invention
The utility model has overcome deficiency of the prior art, a kind of waste heat boiler that is used for four unifications of Large Scale and Continuous reformer or two-in-one heating furnace is provided, this waste heat boiler has in light weight, rational in infrastructure, heat-transfer effect is good, realize easily modularized design, advantage such as easy for installation, and can make the thermal efficiency of heating furnace higher.
Realize that the above-mentioned purpose technical scheme is: a kind of waste heat boiler that is used for reformer four unifications or two-in-one heating furnace, described heating furnace comprises that exhanst gas outlet is positioned at the heating furnace radiant section at top, described waste heat boiler comprises waste heat boiler body, waste heat boiler drum and chimney, described waste heat boiler body comprises gas approach, waste heat boiler heating surface, exhaust pass and steelframe, described waste heat boiler also comprises smoke induced draught fan
Described steelframe is on independent supporting construction and the ground, one side that is directly installed on described heating furnace radiant section, the exhaust gases passes of described waste heat boiler be provided with perpendicular to ground and with top connect described gas approach, the bottom connects described exhaust pass; Be furnished with waste heat boiler heating surface in the exhaust gases passes of described waste heat boiler; Described gas approach is communicated with the exhanst gas outlet that is positioned at described heating furnace radiant section top by one or several flue; Described exhaust pass connects the air inlet of described smoke induced draught fan; The bottom of described chimney connects the air outlet of described smoke induced draught fan by flue; Described waste heat boiler drum connects waste heat boiler heating surface by steam-water pipe.
The above-mentioned waste heat boiler that is used for reformer four unifications or two-in-one heating furnace, wherein, described waste heat boiler is not for being provided with the Natural Circulation waste heat boiler of forced circulation pump.
The above-mentioned waste heat boiler that is used for reformer four unifications or two-in-one heating furnace, wherein, described waste heat boiler heating surface comprises overheated heating surface, economizer surface and evaporating heating surface, also can comprise the water conservation heating surface.
The above-mentioned waste heat boiler that is used for reformer four unifications or two-in-one heating furnace, wherein, described smoke induced draught fan can be one, also can be two.
After having adopted the technical scheme of the waste heat boiler that is used for reformer four unification or two-in-one heating furnace of the present utility model, it is in light weight that this waste heat boiler is had, rational in infrastructure, heat-transfer effect is good, advantage such as easy for installation, and have the higher thermal efficiency, easier realization modular construction, guarantee quality, small investment easilier.After adopting this waste heat boiler, alleviated the steel construction load of reformer four unifications or two-in-one heating furnace radiant section, made the heating furnace radiant section steel construction weight also can be lighter, investment still less.Other various petrochemical plant heating furnaces that it is waste heat boiler that the waste heat boiler that is used for four unifications of Large Scale and Continuous reformer or two-in-one heating furnace of the present utility model also goes for other similar convection section.
Description of drawings
Fig. 1 a and Fig. 1 b are the structural representation and the flow charts of the waste heat boiler of Large Scale and Continuous reformer four unification of prior art or two-in-one heating furnace;
Fig. 2 a and Fig. 2 b are structural representation and the flow charts that is used for the waste heat boiler of four unifications of Large Scale and Continuous reformer or two-in-one heating furnace of the present utility model.
The specific embodiment
Below by the specific embodiment the utility model is described in further detail.
See also Fig. 2 a and Fig. 2 b, the waste heat boiler that is used for four unifications of Large Scale and Continuous reformer or two-in-one heating furnace of the present utility model comprises waste heat boiler body 6, waste heat boiler drum 3, smoke induced draught fan 8 and chimney 5, wherein,
Heating furnace comprises heating furnace radiant section 1, and heating furnace radiant section 1 by Steel Structure Installation on the ground;
Waste heat boiler body 6 comprises gas approach 61, waste heat boiler heating surface 63, exhaust pass 62 and steelframe 60; Steelframe 60 is used to carry exhaust gases passes and each waste heat boiler heating surface of waste heat boiler, it is independent supporting construction and is directly installed on the ground, one side of heating furnace radiant section 1, makes the structural design of waste heat boiler body 6 not limited by the steel construction of heating furnace radiant section 1; The exhaust gases passes of this waste heat boiler body 6 is provided with perpendicular to ground, and top is made as gas approach 61, the bottom is made as exhaust pass 62; Be furnished with the waste heat boiler heating surface 63 of Natural Circulation in the exhaust gases passes of waste heat boiler body 6; After being provided with the waste heat boiler heating surface 63 of Natural Circulation, do not need to be provided with forced circulation pump, make the waste heat boiler operation safer, reliable; The gas approach 61 of exhaust gases passes is communicated with the exhanst gas outlet 10 that is positioned at heating furnace radiant section 1 top by one or several smoke pipe 16;
Smoke induced draught fan 8 connects the exhaust pass 62 of waste heat boiler body 6 by flue; This smoke induced draught fan 8 makes the flue gas resistance of each heating surface 63 of waste heat boiler not limited by stack draught, can adopt higher flue gas flow rate to improve the coefficient of heat transfer, and the waste heat boiler structure is more reasonable, can make exhaust gas temperature lower, and the thermal efficiency is higher.Smoke induced draught fan 8 can be one, also can be two, and wherein one as standby.
The bottom of chimney 5 connects the exhanst gas outlet of smoke induced draught fan 8 by flue;
Waste heat boiler drum 3 is arranged in the top of waste heat boiler body 6 or is arranged on the steel construction of heating furnace radiant section 1, and waste heat boiler drum 3 connects waste heat boiler heating surface 63 by steam-water pipe.
The waste heat boiler that is used for four unifications of Large Scale and Continuous reformer or two-in-one heating furnace of the present utility model, because system sets up smoke induced draught fan 8, the high-temperature flue gas that heating furnace radiant section 1 can be exported draws to get off by the exhaust gases passes of waste heat boiler body 6, and on the exhaust gases passes of waste heat boiler body 6, arrange Natural Circulation waste heat boiler heating surface 63, need not to be provided with forced circulation pump.Because this waste heat boiler arranges that on the ground the steel construction load of heating furnace radiant section 1 greatly reduces, it is a lot of that steel construction weight saving, investment also can corresponding reductions.
Above embodiment has been described in detail the utility model, and those skilled in the art can make the many variations example to the utility model according to the above description.Thereby some details in the embodiment should not constitute qualification of the present utility model, and the scope that the utility model will define with appended claims is as protection domain of the present utility model.
Claims (4)
1. waste heat boiler that is used for reformer four unification or two-in-one heating furnace, described heating furnace comprises that exhanst gas outlet is positioned at the heating furnace radiant section at top, described waste heat boiler comprises waste heat boiler body, waste heat boiler drum and chimney, described waste heat boiler body comprises gas approach, waste heat boiler heating surface, exhaust pass and steelframe, it is characterized in that, described waste heat boiler also comprises smoke induced draught fan
Described steelframe is on independent supporting construction and the ground, one side that is directly installed on described heating furnace radiant section, the exhaust gases passes of described waste heat boiler be provided with perpendicular to ground and with top connect described gas approach, the bottom connects described exhaust pass; Be furnished with waste heat boiler heating surface in the exhaust gases passes of described waste heat boiler; Described gas approach is communicated with the exhanst gas outlet that is positioned at described heating furnace radiant section top by one or several flue; Described exhaust pass connects the air inlet of described smoke induced draught fan; The bottom of described chimney connects the air outlet of described smoke induced draught fan by flue; Described waste heat boiler drum connects waste heat boiler heating surface by steam-water pipe.
2. the waste heat boiler that is used for reformer four unifications or two-in-one heating furnace according to claim 1 is characterized in that described waste heat boiler is not for being provided with the Natural Circulation waste heat boiler of forced circulation pump.
3. the waste heat boiler that is used for reformer four unifications or two-in-one heating furnace according to claim 1 is characterized in that described waste heat boiler heating surface comprises overheated heating surface, economizer surface and evaporating heating surface, also can comprise the water conservation heating surface.
4. the waste heat boiler that is used for reformer four unifications or two-in-one heating furnace according to claim 1 is characterized in that described smoke induced draught fan can be one, also can be two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290980254U CN201599781U (en) | 2010-02-08 | 2010-02-08 | Waste-heat boiler for a four-in-one or two-in-one heating furnace of a large continuous reforming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290980254U CN201599781U (en) | 2010-02-08 | 2010-02-08 | Waste-heat boiler for a four-in-one or two-in-one heating furnace of a large continuous reforming device |
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| Publication Number | Publication Date |
|---|---|
| CN201599781U true CN201599781U (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010290980254U Expired - Lifetime CN201599781U (en) | 2010-02-08 | 2010-02-08 | Waste-heat boiler for a four-in-one or two-in-one heating furnace of a large continuous reforming device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230609A (en) * | 2011-06-17 | 2011-11-02 | 江苏太湖锅炉股份有限公司 | Modular heating furnace |
| CN107990295A (en) * | 2017-12-28 | 2018-05-04 | 上海宁松热能环境工程有限公司 | There is the waste heat boiler of SCR denitration for four-in-one or two combined into one heating furnace |
-
2010
- 2010-02-08 CN CN2010290980254U patent/CN201599781U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230609A (en) * | 2011-06-17 | 2011-11-02 | 江苏太湖锅炉股份有限公司 | Modular heating furnace |
| CN107990295A (en) * | 2017-12-28 | 2018-05-04 | 上海宁松热能环境工程有限公司 | There is the waste heat boiler of SCR denitration for four-in-one or two combined into one heating furnace |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 No. 22 North Street, Chaoyang District, Beijing, Chaoyangmen Co-patentee after: Shanghai Ningsong Heat Energy Environment Engineering Co., Ltd. Patentee after: China Petrochemical Group Corp. Co-patentee after: Sinopec Engineering Incorporation Address before: 100728 No. 22 North Street, Chaoyang District, Beijing, Chaoyangmen Co-patentee before: Shanghai Ningsong Heat Energy Environment Engineering Co., Ltd. Patentee before: China Petrochemical Group Corp. Co-patentee before: Engrg Construction Co., SINOPEC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
|
| CX01 | Expiry of patent term |