CN201396742Y - Novel high-efficiency horizontal fuel/gas steam boiler with shell-and-tube economizer - Google Patents
Novel high-efficiency horizontal fuel/gas steam boiler with shell-and-tube economizer Download PDFInfo
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- CN201396742Y CN201396742Y CN 200920038485 CN200920038485U CN201396742Y CN 201396742 Y CN201396742 Y CN 201396742Y CN 200920038485 CN200920038485 CN 200920038485 CN 200920038485 U CN200920038485 U CN 200920038485U CN 201396742 Y CN201396742 Y CN 201396742Y
- Authority
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- China
- Prior art keywords
- tube
- shell
- chamber
- strile
- cylindrical shell
- Prior art date
Links
- 239000007789 gases Substances 0.000 title abstract description 6
- 239000000446 fuels Substances 0.000 title abstract description 5
- 239000011257 shell materials Substances 0.000 claims abstract description 41
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 239000011901 water Substances 0.000 claims abstract description 11
- 239000000295 fuel oils Substances 0.000 claims description 11
- 239000011449 bricks Substances 0.000 claims description 10
- 238000002485 combustion reactions Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 239000011819 refractory materials Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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- 208000008425 Protein Deficiency Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
Description
(1) technical field
The utility model relates to a kind of boiler.Be specifically related to new and effective horizontal fuel oil of a kind of band shell-and-tube energy-saving appliance or combustion and steam boiler.Belong to the heating equipment technical field.
(2) background technology
For sustainable development and the requirement on environmental protection that adapts to national economy, coal type fuel is progressively changed into oil, gas type fuel.Oil, gas type fuel are easy to carry and use, and are guaranteeing not produce environmental pollution basically under the good burning condition, the calorific capacity height, and this makes fuel oil, gas fired-boiler realize operation automation, high efficiency.In recent years because oil-burning gas-fired boiler is small, automaticity is high, easy for installation, and under various heating agents, can obtain very convenient and use flexibly, oil-burning gas-fired boiler has obtained developing widely and using.
At present, the existing fuel-firing gas-firing Industrial Boiler type of furnace mostly by not being with the energy-saving appliance design, has the band energy-saving appliance also can only acquire mainly based on horizontal three backhaul wetting back-type fire tube structures temporarily.Along with improving constantly that national energy-saving and emission-reduction require, boiler band energy-saving appliance will be an inexorable trend, to reach the purpose that reduces exhaust gas temperature.The domestic correlative study that band energy-saving appliance two return fuel oil (gas) steam boiler is also arranged is illustrated below:
ZL200610085893.X discloses a kind of integral type band energy-saving appliance two return condensing fuel oil, combustion and steam boiler.It mainly is made up of flue, the chamber of strile-bacing, convection tube, integral type coiled pipe energy-saving appliance, shell and front smoke box.Its operation principle is: feedwater adds the heat absorption waste heat through integral type coiled pipe energy-saving appliance, and further heating produces steam in shell, and the shell internal heating surface is two backhauls.This boiler is realized the boiler of efficient operation with very-close-coupled structure.The weak point of this boiler is:
1) conventional art is still used in the chamber of strile-bacing, and strile-backs to use the Drag link stay bolt between chamber back tube sheet and the cylindrical shell back tube sheet, and as Fig. 2, the welding job amount is big;
2) energy-saving appliance is arranged in the front smoke box, is the coiled pipe structure, and water capacity is little, the maintenance difficulty.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of new and effective horizontal fuel oil of band shell-and-tube energy-saving appliance or combustion and steam boiler that the welding of a large amount of Drag links, water capacity are big, be easy to overhaul that need not is provided.
The purpose of this utility model is achieved in that new and effective horizontal fuel oil of a kind of band shell-and-tube energy-saving appliance or combustion and steam boiler, comprise cylindrical shell, flue, the chamber of strile-bacing, convection bank, front smoke box and burner, described flue, strile-back chamber and convection tube all is arranged in the cylindrical shell, flue is horizontally placed on bottom in the cylindrical shell, the chamber of strile-bacing is arranged at the flue rear side, with the flue intracavity inter-connection, front smoke box is arranged at the outer front upper side of cylindrical shell, convection tube is horizontally placed on the cylindrical shell internal upper part, the tube side of convection tube is connected with the front smoke box and the chamber of strile-bacing, burner is arranged at the flue front end, it is characterized in that above described front smoke box, being provided with a shell-and-tube energy-saving appliance, the shell side of this shell-and-tube energy-saving appliance is connected with cylinder lumen, and the tube side of shell-and-tube energy-saving appliance is connected with front smoke box.
Through flue, the chamber of strile-bacing, convection tube tube side and shell-and-tube energy-saving appliance tube side in the cylindrical shell, flue-gas temperature enters atmosphere after dropping to and being lower than 160 ℃ to the flue gas that burner combustion produces successively; Feedwater adds through shell-and-tube energy-saving appliance shell side that heat absorption is laggard goes into cylindrical shell, and further heating produces steam, cylindrical shell internal heating surface flue and convection tube two backhauls in cylindrical shell.Boiler thermal output height, manufacturing process are simple.
Compared with prior art, the utlity model has following advantage:
1) cancels the chamber back tube sheet that strile-backs, no longer welded Drag link.
2) energy-saving appliance adopts the shell-and-tube energy-saving appliance, and water capacity is big, is easy to maintenance.
(4) description of drawings
Fig. 1 is the Facad structure schematic diagram of new and effective horizontal fuel oil of the utility model band shell-and-tube energy-saving appliance or combustion and steam boiler.
Fig. 2 is the Facad structure schematic diagram of the chamber of in the past strile-bacing.
Fig. 3 is the strile-back Facad structure schematic diagram of chamber of the utility model.
Among the figure: burner 1, flue 2, the chamber 3 of strile-bacing, convection bank 4, cylindrical shell 5, front smoke box 6, shell-and-tube energy-saving appliance 7, the chamber cylindrical shell 8 that strile-backs, the chamber back tube sheet 9 that strile-backs, Drag link 10, cylindrical shell back tube sheet 11, water cooling tube 12, refractory brick 13, insulating brick 14, sealing plate 15.
(5) specific embodiment
Referring to Fig. 1, new and effective horizontal fuel oil of band shell-and-tube energy-saving appliance or combustion and steam boiler that the utility model relates to mainly are made up of cylindrical shell 5, flue 2, the chamber 3 of strile-bacing, convection bank 4, front smoke box 6, shell-and-tube energy-saving appliance 7 and burner 1.Described flue 2, strile-back chamber 3 and convection tube 4 all are arranged in the cylindrical shell 5, flue 2 is horizontally placed on bottom in the cylindrical shell 5, the chamber 3 of strile-bacing is arranged at flue 2 rear sides, with flue 2 intracavity inter-connections, front smoke box 6 is arranged at cylindrical shell 5 outer front upper sides, convection tube 4 is horizontally placed on cylindrical shell 5 internal upper parts, the tube side of convection tube 4 is connected with the front smoke box 6 and the chamber 3 of strile-bacing, shell-and-tube energy-saving appliance 7 is arranged at front smoke box 6 tops, the shell side of shell-and-tube energy-saving appliance 7 and cylindrical shell 5 intracavity inter-connections, the tube side of shell-and-tube energy-saving appliance 7 is connected with front smoke box 6, and burner 1 is arranged at flue 2 front ends.
Referring to Fig. 3, the described chamber 3 of strile-bacing is made up of the chamber cylindrical shell 8 that strile-backs, water cooling tube 12, refractory brick 13, insulating brick 14, sealing plate 15.The described chamber cylindrical shell 8 that strile-backs directly is connected with back tube sheet 11, and water cooling tube 12 vertically is arranged at chamber cylindrical shell 8 rear sides that strile-back, and refractory brick 13 and insulating brick 14 closely are arranged at water cooling tube 12 rear sides successively, and sealing plate 15 is arranged at chamber cylindrical shell 8 rear ends of strile-bacing.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200920038485 CN201396742Y (en) | 2009-01-21 | 2009-01-21 | Novel high-efficiency horizontal fuel/gas steam boiler with shell-and-tube economizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200920038485 CN201396742Y (en) | 2009-01-21 | 2009-01-21 | Novel high-efficiency horizontal fuel/gas steam boiler with shell-and-tube economizer |
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CN201396742Y true CN201396742Y (en) | 2010-02-03 |
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Family Applications (1)
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CN 200920038485 CN201396742Y (en) | 2009-01-21 | 2009-01-21 | Novel high-efficiency horizontal fuel/gas steam boiler with shell-and-tube economizer |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101936520A (en) * | 2010-08-16 | 2011-01-05 | 江苏双良锅炉有限公司 | Horizontal type oil-gas condensing steam boiler with energy saver and condenser arranged outside independently |
CN105066437A (en) * | 2015-08-22 | 2015-11-18 | 郑州大学 | Integrated full-wet-back central-reverse-flame boiler |
CN107965752A (en) * | 2017-11-28 | 2018-04-27 | 湖南长宏南雁锅炉修理安装有限公司 | two return shell boiler |
CN108072026A (en) * | 2016-11-17 | 2018-05-25 | 华北电力大学(保定) | A kind of Novel supercritical direct current three-pressure reheat waste heat boiler |
-
2009
- 2009-01-21 CN CN 200920038485 patent/CN201396742Y/en not_active IP Right Cessation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101936520A (en) * | 2010-08-16 | 2011-01-05 | 江苏双良锅炉有限公司 | Horizontal type oil-gas condensing steam boiler with energy saver and condenser arranged outside independently |
CN101936520B (en) * | 2010-08-16 | 2012-04-11 | 江苏双良锅炉有限公司 | Horizontal type oil-gas condensing steam boiler with energy saver and condenser arranged outside independently |
CN105066437A (en) * | 2015-08-22 | 2015-11-18 | 郑州大学 | Integrated full-wet-back central-reverse-flame boiler |
CN108072026A (en) * | 2016-11-17 | 2018-05-25 | 华北电力大学(保定) | A kind of Novel supercritical direct current three-pressure reheat waste heat boiler |
CN107965752A (en) * | 2017-11-28 | 2018-04-27 | 湖南长宏南雁锅炉修理安装有限公司 | two return shell boiler |
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