CN102620274B - Horizontal oil-fired and gas-fired efficient energy-saving boiler - Google Patents
Horizontal oil-fired and gas-fired efficient energy-saving boiler Download PDFInfo
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- CN102620274B CN102620274B CN201210125424.1A CN201210125424A CN102620274B CN 102620274 B CN102620274 B CN 102620274B CN 201210125424 A CN201210125424 A CN 201210125424A CN 102620274 B CN102620274 B CN 102620274B
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- boiler
- return duct
- drum
- smoke box
- flue
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- 239000000779 smoke Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 210000001513 Elbow Anatomy 0.000 claims abstract description 8
- 239000002737 fuel gas Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001965 increased Effects 0.000 abstract description 4
- 230000003014 reinforcing Effects 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010011376 Crepitations Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The invention discloses a horizontal oil-fired and gas-fired efficient energy-saving boiler, which comprises a boiler barrel; a boiler furnace connected with a burner is arranged in the boiler barrel; a rear end enclosure is arranged at the inner end of the boiler furnace; an explosion-proof device is arranged at the rear end enclosure; an inner ring second return pipe and an outer ring third return pipe are arranged on the periphery of the boiler furnace; a front smoke box is arranged on the front part of a front tube plate of the boiler barrel; a rear smoke box is arranged on the rear part of a rear tube plate of the boiler barrel; the rear smoke box is provided with a smoke outlet; an elbow is arranged at the rear end of the second return pipe; the elbow at the rear end of the second return pipe is connected with the wall of the boiler furnace close to the rear end enclosure; the total smoke outlet area of the second return pipe is larger than the area of the smoke outlet of the rear smoke box; a plurality of direct-pull reinforcing round pipes connected with the front tube plate and the rear tube plate of the boiler barrel are arranged on the upper part of the boiler barrel; and an energy-saving heat exchanger for recovering tail gas is arranged at the smoke outlet. Under the condition of the same water capacity, the boiler barrel is smaller in size, the structure of the boiler is more compact, the manufacturing cost is reduced, and the heated area can be increased by 3 to 5 percent.
Description
Technical field
The present invention relates to a kind of boiler, particularly a kind of horizontal burning oil fuel gas energy-saving efficient boiler.
Background technology
The structural shape of traditional fuel-oil or fuel-gas boiler, adopts the structure of return combustion chamber, to reach the object of arranging return pass and arranging backhaul heating surface.But this return combustion chamber structure, manufacturing process is complicated, and feed consumption consuming time, puts into operation in process at product, due to the extreme temperatures of return combustion chamber, very easily causes the front tube sheet of return combustion chamber to ftracture, and cannot repair.Cause potential safety hazard, directly cause product rejection.The fuel-oil or fuel-gas boiler that tonnage is larger arranges conical head at the front and back ends of corrugated internal furnace, middle employing corrugated internal furnace structure, and rear portion be still arrange size larger, take the return combustion chamber that water space capacity in stove is larger, cause the exterior design parameter of boiler to strengthen, manufacture difficulty and production cost are all increased.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, proposes that a kind of production cost is low, horizontal burning oil fuel gas energy-saving efficient boiler that long service life, security are high.
The technical problem to be solved in the present invention is achieved through the following technical solutions, a kind of horizontal burning oil fuel gas energy-saving efficient boiler, comprise drum, the outside of drum is coated with heat-insulation layer, the flue connected with burner is provided with in drum, be characterized in: be provided with rear head in the inner end of flue, at rear head, place is provided with explosion-protection equipment, inner ring second return duct and outer ring the 3rd return duct is provided with in the periphery of flue, front smoke box is provided with in the front portion of the front tube sheet of drum, smoke box after the rear portion of the back tube sheet of drum is provided with, rear smoke box is provided with outlet flue, the front end of the second return duct is connected with front smoke box, the rear end of the second return duct is set to elbow, the elbow of the second return duct rear end is connecting with furnace wall near described rear head place, the total smoke area of second return duct is greater than the area of the outlet flue of rear smoke box, the front end of the 3rd return duct is communicated with front smoke box, the rear end of the 3rd return duct is communicated with rear smoke box, be provided with the some vertical pullings connected with drum front tube sheet and drum back tube sheet on the top of drum and strengthen pipe, pipe is equipped with at outlet flue place, pipe connects with the energy-saving heat exchanger of tail gas recycle, and the top of energy-saving heat exchanger upwards connects with chimney, is provided with pump house in the below of energy-saving heat exchanger, be provided with the feed pump of boiler in pump house, the hot water out pipe of energy-saving heat exchanger connects with feed pump.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and described flue is the straight fireplace courage of cylindricality or cylindricality bellows wall flue.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and staggering before and after the interface between the second adjacent return duct and furnace wall is arranged.
The present invention is directly connected with furnace wall by the second return duct, eliminates the setting of return combustion chamber, stops the front tube sheet crackle that return combustion chamber often occurs in hot operation process, and pipe end ftractures and the spacious disease that cannot keep in repair.And the second return duct and the 3rd return duct layering wrap in furnace gall periphery, when identical water capacity, the size of drum can be done less, more compact structure, save manufacturing cost, and heating surface area can increase by 3% ~ 5%.The total smoke area of second return duct is greater than the area of the outlet flue of rear smoke box, and what improve boiler goes out force parameter; Tail gas recycle energy saver of the present invention, owing to taking into full account elimination flowing resistance on installation site and method, utilizes the self-injection ability of burner, boiler is made to be in natural ventilating status all the time, guarantee that combustion conditions is good, forcing logical air inducing equipment without the need to increasing again, saving equipment investment cost.The present invention is compared with prior art, energy-efficient, production cost is low, long service life, security are high.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present invention.
Fig. 2 is cylindricality bellows wall flue barrel structure figure.
Fig. 3 is the A direction view of Fig. 2.
Fig. 4 is cylindricality straight fireplace courage barrel structure figure.
Detailed description of the invention
A kind of horizontal burning oil fuel gas energy-saving efficient boiler, comprise drum 14, the outside of drum 14 is coated with heat-insulation layer 2, the flue 3 connected with burner is provided with in drum 14, rear head 10 is provided with in the inner end of flue 3, at rear head 10, place is provided with explosion-protection equipment 9, inner ring second return duct 12 and outer ring the 3rd return duct 11 is provided with in the periphery of flue 3, front smoke box 13 is provided with in the front portion of the front tube sheet 15 of drum 14, smoke box 4 after the rear portion of the back tube sheet 16 of drum 14 is provided with, rear smoke box 4 is provided with outlet flue 5, the front end of the second return duct 12 is connected with front smoke box 13, the rear end of the second return duct 12 is set to elbow, the elbow of the second return duct 12 rear end is connecting with furnace wall near described rear head 10 place, the total smoke area of second return duct 12 is greater than the area of the outlet flue 5 of rear smoke box, the front end of the 3rd return duct 11 is communicated with front smoke box 13, the rear end of the 3rd return duct 11 is communicated with 4 with rear smoke box, be provided with the some vertical pullings connected with drum front tube sheet 15 and drum back tube sheet 16 on the top of drum 14 and strengthen pipe 1, pipe is equipped with at outlet flue place, pipe connects with the energy-saving heat exchanger 6 of tail gas recycle, and the top of energy-saving heat exchanger 6 upwards connects with chimney 7, is provided with pump house in the below of energy-saving heat exchanger 6, be provided with the feed pump 8 of boiler in pump house, the hot water out pipe of energy-saving heat exchanger 6 connects with feed pump 8.
Due in drum 14, the rational deployment of flue 3, second return duct 12, the 3rd return duct 11, when identical water capacity, the more compact structure of drum 14.So can cancel the steel cable-stayed support of a fairly large number of garden and vertical pulling support, the pipe thickening tube wall is as the structural shape strengthening stay bolt pipe to cancel arranging in the tube bank of the second backhaul and the 3rd backhaul of falling behind.Just arrange on the top of drum 14 that several vertical pullings strengthen pipe 1, just thoroughly solve the reinforcement problem of drum.
According to the tonnage of boiler, according to the size that required heating surface area is arranged, the second return duct 12 can arrange a circle or multi-turn, and staggering before and after the interface between the second adjacent return duct and furnace wall is arranged, and interface can arrange a row or multi-row along furnace wall.Ensure that the total sectional area of the second return duct is greater than the sectional area of boiler tail flue gas outlet, guarantee ventilation effect.
Described flue 3 is the straight fireplace courage of cylindricality or cylindricality bellows wall flue.Flue is designed to corrugated, ensure that the accurate elastic construction of large-tonnage flue.
The structure of traditional fuel-oil or fuel-gas boiler, is scarcely equipped with flue gas energy-saving recovery device, causes a large amount of heat energy loss in high-temperature flue gas.In the present invention boiler tail exhanst gas outlet above, set up tail gas recycle energy saver.Feed pump is installed built-in, and good looking appearance is generous.Can ensure that boiler feedwater water temperature is constant, no matter be interrupted to add water or add water continuously, water temperature is all held constant at about 85 1 90 degree.When water temperature brings up to 85 ~ 90 degree, then give boiler replenishing water, something which increases boiler output, greatly can improve again the thermal efficiency of boiler simultaneously.Tail gas recycle energy saver of the present invention, owing to taking into full account elimination flowing resistance on installation site and method, ensure that the total sectional area of the second return duct is greater than the sectional area of boiler tail flue gas outlet, utilize the self-injection ability of burner, boiler is made to be in natural ventilating status all the time, guarantee that combustion conditions is good, forcing logical air inducing equipment without the need to increasing again, saving equipment investment cost.
Claims (3)
1. a horizontal burning oil fuel gas energy-saving efficient boiler, comprise drum, the outside of drum is coated with heat-insulation layer, the flue connected with burner is provided with in drum, it is characterized in that: be provided with rear head in the inner end of flue, at rear head, place is provided with explosion-protection equipment, inner ring second return duct and outer ring the 3rd return duct is provided with in the periphery of flue, front smoke box is provided with in the front portion of the front tube sheet of drum, smoke box after the rear portion of the back tube sheet of drum is provided with, rear smoke box is provided with outlet flue, the front end of the second return duct is connected with front smoke box, the rear end of the second return duct is set to elbow, the elbow of the second return duct rear end is connecting with furnace wall near described rear head place, the total smoke area of second return duct is greater than the area of the outlet flue of rear smoke box, the front end of the 3rd return duct is communicated with front smoke box, the rear end of the 3rd return duct is communicated with rear smoke box, be provided with the some vertical pullings connected with drum front tube sheet and drum back tube sheet on the top of drum and strengthen pipe, pipe is equipped with at outlet flue place, pipe connects with the energy-saving heat exchanger of tail gas recycle, and the top of energy-saving heat exchanger upwards connects with chimney, is provided with pump house in the below of energy-saving heat exchanger, be provided with the feed pump of boiler in pump house, the hot water out pipe of energy-saving heat exchanger connects with feed pump.
2. horizontal burning oil fuel gas energy-saving efficient boiler according to claim 1, is characterized in that: described flue is the straight fireplace courage of cylindricality or cylindricality bellows wall flue.
3. horizontal burning oil fuel gas energy-saving efficient boiler according to claim 1, is characterized in that: staggering before and after the interface between the second adjacent return duct and furnace wall is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125424.1A CN102620274B (en) | 2012-04-26 | 2012-04-26 | Horizontal oil-fired and gas-fired efficient energy-saving boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125424.1A CN102620274B (en) | 2012-04-26 | 2012-04-26 | Horizontal oil-fired and gas-fired efficient energy-saving boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102620274A CN102620274A (en) | 2012-08-01 |
| CN102620274B true CN102620274B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210125424.1A Active CN102620274B (en) | 2012-04-26 | 2012-04-26 | Horizontal oil-fired and gas-fired efficient energy-saving boiler |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225797A (en) * | 2013-05-03 | 2013-07-31 | 陕西紫兆秦牛锅炉有限责任公司 | Full-automatic wet-back central reverse flame oil/gas-fired boiler |
| CN103438416A (en) * | 2013-08-22 | 2013-12-11 | 郑州豫懒环保锅炉有限公司 | Horizontal type internal combustion wet back boiler |
| CN103438417B (en) * | 2013-08-30 | 2015-05-13 | 常州大学 | Composite boiler capable of generating steam and hot air |
| CN104100961B (en) * | 2014-07-25 | 2016-02-03 | 仲伟军 | Horizontal coal-fired, biomass-burning chain-grate boiler |
| CN104913499A (en) * | 2015-04-30 | 2015-09-16 | 张国银 | Vertical type fuel oil and fuel gas normal pressure hot water boiler |
| CN104949335B (en) * | 2015-07-03 | 2019-03-12 | 李江民 | A kind of efficient horizontal condensation gas industry boiler |
| CN109442369B (en) * | 2018-11-07 | 2020-04-24 | 青岛冠宝林活性炭有限公司 | Energy-saving environment-friendly water-steam dual-purpose boiler |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3333747A1 (en) * | 1983-09-19 | 1985-04-04 | Buderus Ag, 6330 Wetzlar | Process for operating an oil-fired or gas-fired heating boiler |
| DE4111456A1 (en) * | 1991-04-09 | 1992-10-15 | Emil Noeth | Heating boiler with waste gas flues - has heat carrier medium in ring space containing flues |
| CN2292215Y (en) * | 1996-10-25 | 1998-09-23 | 贺艺科 | No return combustion chamber oil (gas) burning boiler |
| CN2616855Y (en) * | 2003-04-23 | 2004-05-19 | 郭焕 | Horizontal three-stroke wet-back star-tubulation boiler |
| CN201363880Y (en) * | 2009-03-13 | 2009-12-16 | 山东泰安山锅集团有限公司 | Novel efficient energy-saving oil-fired gas-fired hot water boiler |
| CN201852082U (en) * | 2010-11-12 | 2011-06-01 | 长沙天大锅炉制造有限公司 | Energy-saving and environmentally-friendly fuel oil, gas and steam boiler |
| CN202065986U (en) * | 2011-05-13 | 2011-12-07 | 江苏双良锅炉有限公司 | Integral triple-return stroke fuel-gas steam boiler with energy saver |
| CN202660521U (en) * | 2012-04-26 | 2013-01-09 | 仲伟军 | Horizontal type fuel oil and gas high-efficiency and energy-saving boiler |
-
2012
- 2012-04-26 CN CN201210125424.1A patent/CN102620274B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3333747A1 (en) * | 1983-09-19 | 1985-04-04 | Buderus Ag, 6330 Wetzlar | Process for operating an oil-fired or gas-fired heating boiler |
| DE4111456A1 (en) * | 1991-04-09 | 1992-10-15 | Emil Noeth | Heating boiler with waste gas flues - has heat carrier medium in ring space containing flues |
| CN2292215Y (en) * | 1996-10-25 | 1998-09-23 | 贺艺科 | No return combustion chamber oil (gas) burning boiler |
| CN2616855Y (en) * | 2003-04-23 | 2004-05-19 | 郭焕 | Horizontal three-stroke wet-back star-tubulation boiler |
| CN201363880Y (en) * | 2009-03-13 | 2009-12-16 | 山东泰安山锅集团有限公司 | Novel efficient energy-saving oil-fired gas-fired hot water boiler |
| CN201852082U (en) * | 2010-11-12 | 2011-06-01 | 长沙天大锅炉制造有限公司 | Energy-saving and environmentally-friendly fuel oil, gas and steam boiler |
| CN202065986U (en) * | 2011-05-13 | 2011-12-07 | 江苏双良锅炉有限公司 | Integral triple-return stroke fuel-gas steam boiler with energy saver |
| CN202660521U (en) * | 2012-04-26 | 2013-01-09 | 仲伟军 | Horizontal type fuel oil and gas high-efficiency and energy-saving boiler |
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| Publication number | Publication date |
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| CN102620274A (en) | 2012-08-01 |
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