CN102620274B - Horizontal oil-fired and gas-fired efficient energy-saving boiler - Google Patents

Horizontal oil-fired and gas-fired efficient energy-saving boiler Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
boiler
return duct
drum
smoke box
flue
Prior art date
Application number
CN201210125424.1A
Other languages
Chinese (zh)
Other versions
CN102620274A (en
Inventor
仲伟军
Original Assignee
仲伟军
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 仲伟军 filed Critical 仲伟军
Priority to CN201210125424.1A priority Critical patent/CN102620274B/en
Publication of CN102620274A publication Critical patent/CN102620274A/en
Application granted granted Critical
Publication of CN102620274B publication Critical patent/CN102620274B/en

Links

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

Horizontal burning oil fuel gas energy-saving efficient boiler

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.
CN201210125424.1A 2012-04-26 2012-04-26 Horizontal oil-fired and gas-fired efficient energy-saving boiler CN102620274B (en)

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

Family

ID=46560370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210125424.1A CN102620274B (en) 2012-04-26 2012-04-26 Horizontal oil-fired and gas-fired efficient energy-saving boiler

Country Status (1)

Country Link
CN (1) CN102620274B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333747A1 (en) * 1983-09-19 1985-04-04 Buderus Ag 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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333747A1 (en) * 1983-09-19 1985-04-04 Buderus Ag 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

Also Published As

Publication number Publication date
CN102620274A (en) 2012-08-01

Similar Documents

Publication Publication Date Title
CN2835884Y (en) Hot blast heating boiler with biomass briquette fuel
CN202581248U (en) Improved rotary hearth furnace flue gas waste heat boiler device
CN205717165U (en) A kind of high-efficiency energy-saving biomass boiler
CN104154519A (en) Alcohol-based fuel steam boiler
CN201973885U (en) Water and air heating double-function efficient energy-saving hot water boiler
CN201715495U (en) Vertical type biquadratic back burning furnace
CN205048407U (en) Horizontal full -automatic steam boiler
CN106123315A (en) A kind of waste heat recovering energy conserving boiler
CN201593929U (en) Industrial furnace waste gas afterheat exchanger
CN204421052U (en) A kind of waste heat recovery furnace
CN100595495C (en) Open back water reciprocating flue type normal pressure boiler
CN204100300U (en) Energy-saving and efficient return air furnace
CN102620274B (en) Horizontal oil-fired and gas-fired efficient energy-saving boiler
CN201396742Y (en) Novel high-efficiency horizontal fuel/gas steam boiler with shell-and-tube economizer
CN201593862U (en) Efficient energy-saving cyclone heat transfer dedusting smokeless boiler
CN206113305U (en) Vertical gas normal pressure hot water boiler
CN202734221U (en) Vertical energy-saving environmental-protection boiler
CN202581783U (en) Smokeless energy-saving rotary combustion gasification heating boiler
CN202630400U (en) Hot-blast stove
CN204630034U (en) Coiled hot water, steam boiler
CN202018185U (en) Combined air furnace system
CN201652306U (en) Lying type internal combustion three-pass boiler of combustion biomass wood flour
CN102393070B (en) Energy-saving hot-air boiler
CN201836873U (en) Water preheating device for boiler
CN201522091U (en) Horizontal flashback coal burning boiler

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant